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Overview
Comment:3-way merge 8.6 - timerate is part of Tcl now (since TIP#527 got merged), conflicts resolved, merge-points restored, configure rebuilt, etc
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | sebres-8-6-event-perf-branch
Files: files | file ages | folders
SHA3-256: 102958b94e391b240756707ec12ffb4233cbc8b5514ea824673241376163a7a0
User & Date: sebres 2019-03-08 11:34:11
Context
2019-03-08
11:37
merge 8-5-event-perf-branch (restore merge point after complex merge across branches 8.6/8.6-timerat... check-in: 852b037b2f user: sebres tags: sebres-8-6-event-perf-branch
11:34
3-way merge 8.6 - timerate is part of Tcl now (since TIP#527 got merged), conflicts resolved, merge-... check-in: 102958b94e user: sebres tags: sebres-8-6-event-perf-branch
04:42
merge 8.5 (perf-test) check-in: 5b6af82bad user: sebres tags: core-8-6-branch
2019-03-02
16:35
Fix some "scan.test" test-cases when TCL_UTF_MAX=4. Wrongly resolved merge-conflict in previous che... check-in: 8d1ff82057 user: jan.nijtmans tags: core-8-6-branch
2017-07-13
16:04
merge sebres-event-perf-fix-busy-wait check-in: de29c24e4b user: sebres tags: sebres-8-6-event-perf-branch
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to .fossil-settings/crlf-glob.

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compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs
compat/zlib/contrib/vstudio/readme.txt
compat/zlib/contrib/vstudio/*/zlib.rc
compat/zlib/win32/*.txt
compat/zlib/win64/*.txt



tools/tcl.hpj.in
tools/tcl.wse.in
win/buildall.vc.bat
win/coffbase.txt
win/makefile.vc
win/rules.vc


win/tcl.dsp
win/tcl.dsw
win/tcl.hpj.in




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compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs
compat/zlib/contrib/vstudio/readme.txt
compat/zlib/contrib/vstudio/*/zlib.rc
compat/zlib/win32/*.txt
compat/zlib/win64/*.txt
libtommath/*.dsp
libtommath/*.sln
libtommath/*.vcproj
tools/tcl.hpj.in
tools/tcl.wse.in
win/buildall.vc.bat
win/coffbase.txt
win/makefile.vc
win/rules.vc
win/rules-ext.vc
win/targets.vc
win/tcl.dsp
win/tcl.dsw
win/tcl.hpj.in

Changes to .fossil-settings/crnl-glob.

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compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs
compat/zlib/contrib/vstudio/readme.txt
compat/zlib/contrib/vstudio/*/zlib.rc
compat/zlib/win32/*.txt
compat/zlib/win64/*.txt



tools/tcl.hpj.in
tools/tcl.wse.in
win/buildall.vc.bat
win/coffbase.txt
win/makefile.vc
win/rules.vc


win/tcl.dsp
win/tcl.dsw
win/tcl.hpj.in




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compat/zlib/contrib/dotzlib/DotZLib/UnitTests.cs
compat/zlib/contrib/vstudio/readme.txt
compat/zlib/contrib/vstudio/*/zlib.rc
compat/zlib/win32/*.txt
compat/zlib/win64/*.txt
libtommath/*.dsp
libtommath/*.sln
libtommath/*.vcproj
tools/tcl.hpj.in
tools/tcl.wse.in
win/buildall.vc.bat
win/coffbase.txt
win/makefile.vc
win/rules.vc
win/rules-ext.vc
win/targets.vc
win/tcl.dsp
win/tcl.dsw
win/tcl.hpj.in

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*/config.cache
*/config.log
*/config.status
*/tclConfig.sh
*/tclsh*
*/tcltest*
*/versions.vc

html
libtommath/bn.ilg
libtommath/bn.ind
libtommath/pretty.build
libtommath/tommath.src
libtommath/*.pdf
libtommath/*.pl
................................................................................
libtommath/*.out
libtommath/*.tex
unix/autoMkindex.tcl
unix/dltest.marker
unix/tcl.pc
unix/tclIndex
unix/pkgs/*
win/Debug_VC*
win/Release_VC*
win/pkgs/*
win/tcl.hpj







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*/config.cache
*/config.log
*/config.status
*/tclConfig.sh
*/tclsh*
*/tcltest*
*/versions.vc
*/version.vc
html
libtommath/bn.ilg
libtommath/bn.ind
libtommath/pretty.build
libtommath/tommath.src
libtommath/*.pdf
libtommath/*.pl
................................................................................
libtommath/*.out
libtommath/*.tex
unix/autoMkindex.tcl
unix/dltest.marker
unix/tcl.pc
unix/tclIndex
unix/pkgs/*
win/Debug*
win/Release*
win/pkgs/*
win/tcl.hpj
win/nmhlp-out.txt

Added .travis.yml.




















































































































































































































































































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sudo: false
language: c

matrix:
  include:
    - os: linux
      dist: xenial
      compiler: clang
      env:
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: clang
      env:
        - CFGOPT=--disable-shared
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: gcc
      env:
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: gcc
      env:
        - CFGOPT=--disable-shared
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: gcc-4.9
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-4.9
      env:
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: gcc-5
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-5
      env:
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: gcc-6
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-6
      env:
        - BUILD_DIR=unix
    - os: linux
      dist: xenial
      compiler: gcc-7
      addons:
        apt:
          sources:
            - ubuntu-toolchain-r-test
          packages:
            - g++-7
      env:
        - BUILD_DIR=unix
    - os: osx
      osx_image: xcode8
      env:
        - BUILD_DIR=unix
    - os: osx
      osx_image: xcode8
      env:
        - BUILD_DIR=macosx
        - NO_DIRECT_CONFIGURE=1
    - os: osx
      osx_image: xcode9
      env:
        - BUILD_DIR=macosx
        - NO_DIRECT_CONFIGURE=1
    - os: osx
      osx_image: xcode10.2
      env:
        - BUILD_DIR=macosx
        - NO_DIRECT_CONFIGURE=1
### C builds not currently supported on Windows instances
#    - os: windows
#      env:
#        - BUILD_DIR=win
### ... so proxy with a Mingw cross-compile
# Test with mingw-w64 (32 bit)
    - os: linux
      dist: xenial
      compiler: i686-w64-mingw32-gcc
      addons:
        apt:
          packages:
            - gcc-mingw-w64-base
            - binutils-mingw-w64-i686
            - gcc-mingw-w64-i686
            - gcc-mingw-w64
            - gcc-multilib
            - wine
      env:
        - BUILD_DIR=win
        - CFGOPT=--host=i686-w64-mingw32
        - NO_DIRECT_TEST=1
# Test with mingw-w64 (64 bit)
    - os: linux
      dist: xenial
      compiler: x86_64-w64-mingw32-gcc
      addons:
        apt:
          packages:
            - gcc-mingw-w64-base
            - binutils-mingw-w64-x86-64
            - gcc-mingw-w64-x86-64
            - gcc-mingw-w64
            - wine
      env:
        - BUILD_DIR=win
        - CFGOPT="--host=x86_64-w64-mingw32 --enable-64bit"
        - NO_DIRECT_TEST=1

before_install:
  - export ERROR_ON_FAILURES=1
  - cd ${BUILD_DIR}
install:
  - test -n "$NO_DIRECT_CONFIGURE" || ./configure ${CFGOPT}
script:
  - make
  # The styles=develop avoids some weird problems on OSX
  - test -n "$NO_DIRECT_TEST" || make test styles=develop

Changes to ChangeLog.

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A NOTE ON THE CHANGELOG:
Starting in early 2011, Tcl source code has been under the management of
fossil, hosted at http://core.tcl.tk/tcl/ .  Fossil presents a "Timeline"
view of changes made that is superior in every way to a hand edited log file.
Because of this, many Tcl developers are now out of the habit of maintaining
this log file.  You may still find useful things in it, but the Timeline is
a better first place to look now.
============================================================================

2013-09-19  Don Porter  <[email protected]>

|







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A NOTE ON THE CHANGELOG:
Starting in early 2011, Tcl source code has been under the management of
fossil, hosted at https://core.tcl-lang.org/tcl/ .  Fossil presents a "Timeline"
view of changes made that is superior in every way to a hand edited log file.
Because of this, many Tcl developers are now out of the habit of maintaining
this log file.  You may still find useful things in it, but the Timeline is
a better first place to look now.
============================================================================

2013-09-19  Don Porter  <[email protected]>

Changes to README.

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README:  Tcl
    This is the Tcl 8.6.6 source distribution.
	http://sourceforge.net/projects/tcl/files/Tcl/
    You can get any source release of Tcl from the URL above.

Contents
--------
    1. Introduction
    2. Documentation
................................................................................
Tcl can also be used for a variety of web-related tasks and for creating
powerful command languages for applications.

Tcl is maintained, enhanced, and distributed freely by the Tcl community.
Source code development and tracking of bug reports and feature requests
takes place at:

	http://core.tcl.tk/

Tcl/Tk release and mailing list services are hosted by SourceForge:

	http://sourceforge.net/projects/tcl/

with the Tcl Developer Xchange hosted at:

	http://www.tcl.tk/

Tcl is a freely available open source package.  You can do virtually
anything you like with it, such as modifying it, redistributing it,
and selling it either in whole or in part.  See the file
"license.terms" for complete information.

2. Documentation
----------------

Extensive documentation is available at our website.
The home page for this release, including new features, is
	http://www.tcl.tk/software/tcltk/8.6.html

Detailed release notes can be found at the file distributions page
by clicking on the relevant version.
	http://sourceforge.net/projects/tcl/files/Tcl/

Information about Tcl itself can be found at
	http://www.tcl.tk/about/

There have been many Tcl books on the market.  Many are mentioned in the Wiki:
	http://wiki.tcl.tk/_/ref?N=25206

To view the complete set of reference manual entries for Tcl 8.6 online,
visit the URL:
	http://www.tcl.tk/man/tcl8.6/

2a. Unix Documentation
----------------------

The "doc" subdirectory in this release contains a complete set of
reference manual entries for Tcl.  Files with extension ".1" are for
programs (for example, tclsh.1); files with extension ".3" are for C
................................................................................
3. Compiling and installing Tcl
-------------------------------

There are brief notes in the unix/README, win/README, and macosx/README about
compiling on these different platforms.  There is additional information
about building Tcl from sources at

	http://www.tcl.tk/doc/howto/compile.html

4. Development tools
---------------------------

ActiveState produces a high quality set of commercial quality development
tools that is available to accelerate your Tcl application development.
Tcl Dev Kit builds on the earlier TclPro toolset and provides a debugger,
................................................................................
see the "Support and bug fixes" section below.

6. Tcl'ers Wiki
---------------

A Wiki-based open community site covering all aspects of Tcl/Tk is at:

	http://wiki.tcl.tk/

It is dedicated to the Tcl programming language and its extensions.  A
wealth of useful information can be found there.  It contains code
snippets, references to papers, books, and FAQs, as well as pointers to
development tools, extensions, and applications.  You can also recommend
additional URLs by editing the wiki yourself.

................................................................................
8. Support and Training
------------------------

We are very interested in receiving bug reports, patches, and suggestions
for improvements.  We prefer that you send this information to us as
tickets entered into our tracker at:

	http://core.tcl.tk/tcl/reportlist

We will log and follow-up on each bug, although we cannot promise a
specific turn-around time.  Enhancements may take longer and may not happen
at all unless there is widespread support for them (we're trying to
slow the rate at which Tcl/Tk turns into a kitchen sink).  It's very
difficult to make incompatible changes to Tcl/Tk at this point, due to
the size of the installed base.
................................................................................
The Tcl community is too large for us to provide much individual support
for users.  If you need help we suggest that you post questions to
comp.lang.tcl.  We read the newsgroup and will attempt to answer esoteric
questions for which no one else is likely to know the answer.  In addition,
see the following Web site for links to other organizations that offer
Tcl/Tk training:

	http://wiki.tcl.tk/training

9. Tracking Development
-----------------------

Tcl is developed in public.  To keep an eye on how Tcl is changing, see
	http://core.tcl.tk/

10. Thank You
-------------

We'd like to express our thanks to the Tcl community for all the
helpful suggestions, bug reports, and patches we have received.
Tcl/Tk has improved vastly and will continue to do so with your help.
|







 







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README:  Tcl
    This is the Tcl 8.6.9 source distribution.
	http://sourceforge.net/projects/tcl/files/Tcl/
    You can get any source release of Tcl from the URL above.

Contents
--------
    1. Introduction
    2. Documentation
................................................................................
Tcl can also be used for a variety of web-related tasks and for creating
powerful command languages for applications.

Tcl is maintained, enhanced, and distributed freely by the Tcl community.
Source code development and tracking of bug reports and feature requests
takes place at:

	http://core.tcl-lang.org/

Tcl/Tk release and mailing list services are hosted by SourceForge:

	http://sourceforge.net/projects/tcl/

with the Tcl Developer Xchange hosted at:

	http://www.tcl-lang.org/

Tcl is a freely available open source package.  You can do virtually
anything you like with it, such as modifying it, redistributing it,
and selling it either in whole or in part.  See the file
"license.terms" for complete information.

2. Documentation
----------------

Extensive documentation is available at our website.
The home page for this release, including new features, is
	http://www.tcl-lang.org/software/tcltk/8.6.html

Detailed release notes can be found at the file distributions page
by clicking on the relevant version.
	http://sourceforge.net/projects/tcl/files/Tcl/

Information about Tcl itself can be found at
	http://www.tcl-lang.org/about/

There have been many Tcl books on the market.  Many are mentioned in the Wiki:
	http://wiki.tcl-lang.org/_/ref?N=25206

To view the complete set of reference manual entries for Tcl 8.6 online,
visit the URL:
	http://www.tcl-lang.org/man/tcl8.6/

2a. Unix Documentation
----------------------

The "doc" subdirectory in this release contains a complete set of
reference manual entries for Tcl.  Files with extension ".1" are for
programs (for example, tclsh.1); files with extension ".3" are for C
................................................................................
3. Compiling and installing Tcl
-------------------------------

There are brief notes in the unix/README, win/README, and macosx/README about
compiling on these different platforms.  There is additional information
about building Tcl from sources at

	http://www.tcl-lang.org/doc/howto/compile.html

4. Development tools
---------------------------

ActiveState produces a high quality set of commercial quality development
tools that is available to accelerate your Tcl application development.
Tcl Dev Kit builds on the earlier TclPro toolset and provides a debugger,
................................................................................
see the "Support and bug fixes" section below.

6. Tcl'ers Wiki
---------------

A Wiki-based open community site covering all aspects of Tcl/Tk is at:

	http://wiki.tcl-lang.org/

It is dedicated to the Tcl programming language and its extensions.  A
wealth of useful information can be found there.  It contains code
snippets, references to papers, books, and FAQs, as well as pointers to
development tools, extensions, and applications.  You can also recommend
additional URLs by editing the wiki yourself.

................................................................................
8. Support and Training
------------------------

We are very interested in receiving bug reports, patches, and suggestions
for improvements.  We prefer that you send this information to us as
tickets entered into our tracker at:

	http://core.tcl-lang.org/tcl/reportlist

We will log and follow-up on each bug, although we cannot promise a
specific turn-around time.  Enhancements may take longer and may not happen
at all unless there is widespread support for them (we're trying to
slow the rate at which Tcl/Tk turns into a kitchen sink).  It's very
difficult to make incompatible changes to Tcl/Tk at this point, due to
the size of the installed base.
................................................................................
The Tcl community is too large for us to provide much individual support
for users.  If you need help we suggest that you post questions to
comp.lang.tcl.  We read the newsgroup and will attempt to answer esoteric
questions for which no one else is likely to know the answer.  In addition,
see the following Web site for links to other organizations that offer
Tcl/Tk training:

	http://wiki.tcl-lang.org/training

9. Tracking Development
-----------------------

Tcl is developed in public.  To keep an eye on how Tcl is changing, see
	http://core.tcl-lang.org/

10. Thank You
-------------

We'd like to express our thanks to the Tcl community for all the
helpful suggestions, bug reports, and patches we have received.
Tcl/Tk has improved vastly and will continue to do so with your help.

Changes to changes.

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        *** POTENTIAL INCOMPATIBILITY ***

2016-07-10 (bug)[da340d] integer division in clock math (nadkarni)

2016-07-20 tzdata updated to Olson's tzdata2016f (venkat)

--- Released 8.6.6, July 27, 2016 --- http://core.tcl.tk/tcl/ for details










































































































































































































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        *** POTENTIAL INCOMPATIBILITY ***

2016-07-10 (bug)[da340d] integer division in clock math (nadkarni)

2016-07-20 tzdata updated to Olson's tzdata2016f (venkat)

--- Released 8.6.6, July 27, 2016 --- http://core.tcl.tk/tcl/ for details

2016-09-07 (bug)[c09edf] Bad caching with  custom resolver (neumann,nijtmans)

2016-09-07 (bug)[4dbdd9] Memleak in test var-8.3 (mr_calvin,porter)

2016-10-03 (bug)[2bf561] Allow empty command as alias target (yorick,nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2016-10-04 (bug)[4d5ae7] Crash in async connects host no address (gahr,fellows)

2016-10-08 (bug)[838e99] treat application/xml as text (gahr,fellows)
=> http 2.8.10

2016-10-11 (bug)[3cc1d9] Thread finalization crash in zippy (neumann)

2016-10-12 (bug)[be003d] Fix [scan 0x1 %b], [scan 0x1 %o] (porter)

2016-10-14 (bug)[eb6b68] Fix stringComp-14.5 (porter)

2016-10-30 (bug)[b26e38] Fix zlib-7.8 (fellows)

2016-10-30 (bug)[1ae129] Fix memleak in [history] destruction (fellows)

2016-11-04 (feature) Provisional Tcl 9 support in msgcat and tcltest (nijtmans)
=> msgcat 1.6.1
=> tcltest 2.4.1

2016-11-04 (bug)[824752] Crash in Tcl_ListObjReplace() (gahr,porter)

2016-11-11 (bug)[79614f] invalidate VFS mounts on sytem encoding change (yorick)

2016-11-14 OSX: End panic() as legacy support macro; system conflicts (nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2016-11-15 (bug) TclOO fix stops crash mixing Itcl and snit (fellows)

2016-11-17 (update) Reconcile libtommath updates; purge unused files (nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2017-01-09 (bug)[b87ad7] Repair drifts in timer clock (sebres)

2017-01-17 (update) => zlib 1.2.11 (nijtmans)

2017-01-31 (bug)[39f630] Revise Tcl_LinkVar to tolerate some prefixes (nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2017-02-01 (bug)[d0f7ba] Improper NAN optimization. expr-22.1[01] (aspect)

2017-02-26 (bug)[25842c] zlib stream finalization (aspect)

2017-03-07 (deprecate) Remove unmaintained makefile.bc file (nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2017-03-14 (enhancement) [clock] and [encoding] are now ensembles (kenny)

2017-03-15 (enhancement) several [clock] subcommands bytecoded (kenny)

2017-03-23 tzdata updated to Olson's tzdata2017b (jima)

2017-03-29 (bug)[900cb0] Fix OO unexport introspection (napier)

2017-04-12 (bug)[42202b] Nesting imbalance in coro injection (nadkarni,sebres)

2017-04-18 (bug)[bc4322] http package support for safe interps (nash,nijtmans)

2017-04-28 (bug)[f34cf8] [file join a //b] => /b (neumann,porter)

2017-05-01 (bug)[8bd13f] Windows threads and pipes (sebres,nijtmans)

2017-05-01 (bug)[f9fe90] [file join //a b] EIAS violation (aspect,porter)

2017-05-04 (bug) Make test filesystem-1.52 pass on Windows (nijtmans)

2017-05-05 (bug)[601522] [binary] field spec overflow -> segfault (porter)

2017-05-08 (bug)[6ca52a] http memleak handling keep-alive (aspect,nijtmans)
=> http 2.8.11

2017-05-29 (bug)[a3fb33] crash in [lsort] on long lists (sebres)

2017-06-05 (bug)[67aa9a] Tcl_UtfToUniChar() revised handling invalid UTF-8 (nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2017-06-08 (bug)[2738427] Tcl_NumUtfChars() corner case utf-4.9 (nijtmans)

2017-06-22 (update) Update Unicode data to 10.0 (nijtmans)
        *** POTENTIAL INCOMPATIBILITY ***

2017-06-22 (TIP 473) Let [oo::copy] specify target namespace (fellows)

2017-06-26 (bug)[46f801] Repair autoloader fragility (porter)

2017-07-06 (bug)[adb198] Plug memleak in TclJoinPath (sebres,porter)

2017-07-17 (bug)[fb2208] Repeatable tclIndex generation (wiedemann,nijtmans)

--- Released 8.6.7, August 9, 2017 --- http://core.tcl.tk/tcl/ for details

2017-08-10 [array names -regexp] supports backrefs (goth)

2017-08-10 Fix gcc build failures due to #pragma placement (cassoff,fellows)

2017-08-29 (bug)[b50fb2] exec redir append stdout and stderr to file (coulter)

2017-08-31 (bug)[2a9465] http state 100 continue handling broken (oehlmann)
=> http 2.8.12

2017-09-02 (bug)[0e4d88] replace command, delete trace kills namespace (porter)

2017-10-19 (bug)[1a5655] [info * methods] includes mixins (fellows)

2017-10-23 tzdata updated to Olson's tzdata2017c (jima)

2017-10-24 (bug)[fc1409] segfault in method cloning, oo-15.15 (coulter,fellows)

2017-11-03 (bug)[6f2f83] More robust [load] for ReactOS (werner)

2017-11-08 (bug)[3298012] Stop crash when hash tables overflow 32 bits (porter)

2017-11-14 (bug)[5d6de6] Close failing case of [package prefer stable] (kupries)

2017-11-17 (bug)[fab924] Fix misleading [load] message on Windows (oehlmann)

2017-12-05 (bug)[4f6a1e] Crash when ensemble map and list are same (sebres)

2017-12-06 (bug)[ce3a21] file normalize failure when tail is empty (porter)

2017-12-08 (new)[TIP 477] nmake build system reform (nadkarni)

2017-12-19 (bug)[586e71] EvalObjv exception handling at level #0 (sebres,porter)

--- Released 8.6.8, December 22, 2017 --- http://core.tcl.tk/tcl/ for details

2018-02-11 (enhance) stop blocking conversion of object to/from class (coulter)

2018-02-12 (enhance) NR-enable [package require] (coulter)

2018-02-14 (bug)[9fd5c6] crash in object deletion, test oo-11.5 (coulter)

2018-02-14 (bug)[3c32a3] crash deleting object with class mixed in (coulter)

2018-02-15 (platform) stop using -lieee, removed from glibc-2.27 (porter)
***POTENTIAL INCOMPATIBILITY for math programs that embed Tcl***

2018-02-23 (bug)[8e6a9a] bad binary [string match], test string-11.55 (porter)

2018-03-05 (bug)[1873ea] repair multi-thread std channel init (sebres)

2018-03-09 (bug)[db36fa] broken bytecode for index values (porter)

2018-03-13 (bug) broken compiled [string replace], test string-14.19 (porter)

2018-03-14 (bug) [string trim*] engine crashed on invalid UTF (sebres)

2018-04-17 (bug) missing trace in compiled [array set], test var-20.11 (porter)

2018-04-22 (bug)[46a241] crash in unset array with search, var-13.[23] (goth)

2018-04-30 (bug)[27b682] race made [file delete] raise "no such file" (sebres)

2018-06-04 (bug)[925643] 32/64 cleanup of filesystem DIR operations (sebres)

2018-06-18 (bug) leaks in TclSetEnv and env cache (coulter)

2018-06-24 (bug)[3592747] [yieldto] dying namespace, tailcall-14.1 (coulter)

2018-07-09 (bug)[270f78] race in [file mkdir] (sebres)

2018-07-12 (bug)[3f7af0] [file delete] raised "permission denied" (sebres)

2018-07-26 (bug)[d051b7] overflow crash in [format] (sebres)

2018-08-29 revised quoting of [exec] args in generated command line (sebres)
***POTENTIAL INCOMPATIBILITY***

2018-09-20 HTTP Keep-Alive with pipelined requests (nash)
=> http 2.9.0

2018-09-27 (new)[TIP 505] [lreplace] accepts all out of range indices (porter)

2018-10-04 (bug) Prevent crash from NULL keyName (nijtmans)
=> registry 1.3.3

2018-10-26 (enhance) advance dde version (nijtmans)
=> dde 1.4.1

2018-10-27 tzdata updated to Olson's tzdata2018g (jima)

2018-10-29 Update tcltest package for Travis support (fellows)
=> tcltest 2.5.0

2018-11-09 (bug)[35a8f1] overlong string length of some lists (owens)

2018-11-16 (bug)[00d04c] Repair [binary encode base64] (sebres)

- Released 8.6.9, November 16, 2018 - details at http://core.tcl-lang.org/tcl/ -

Deleted compat/fixstrtod.c.

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/*
 * fixstrtod.c --
 *
 *	Source code for the "fixstrtod" procedure.  This procedure is
 *	used in place of strtod under Solaris 2.4, in order to fix
 *	a bug where the "end" pointer gets set incorrectly.
 *
 * Copyright (c) 1995 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include <stdio.h>

#undef strtod

/*
 * Declare strtod explicitly rather than including stdlib.h, since in
 * somes systems (e.g. SunOS 4.1.4) stdlib.h doesn't declare strtod.
 */

extern double strtod(char *, char **);

double
fixstrtod(
    char *string,
    char **endPtr)
{
    double d;
    d = strtod(string, endPtr);
    if ((endPtr != NULL) && (*endPtr != string) && ((*endPtr)[-1] == 0)) {
	*endPtr -= 1;
    }
    return d;
}
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Changes to compat/stdlib.h.

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extern void		exit(int status);
extern int		free(char *blockPtr);
extern char *		getenv(const char *name);
extern char *		malloc(unsigned int numBytes);
extern void		qsort(void *base, int n, int size, int (*compar)(
			    const void *element1, const void *element2));
extern char *		realloc(char *ptr, unsigned int numBytes);
extern double		strtod(const char *string, char **endPtr);
extern long		strtol(const char *string, char **endPtr, int base);
extern unsigned long	strtoul(const char *string, char **endPtr, int base);

#endif /* _STDLIB */






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extern void		exit(int status);
extern int		free(char *blockPtr);
extern char *		getenv(const char *name);
extern char *		malloc(unsigned int numBytes);
extern void		qsort(void *base, int n, int size, int (*compar)(
			    const void *element1, const void *element2));
extern char *		realloc(char *ptr, unsigned int numBytes);

extern long		strtol(const char *string, char **endPtr, int base);
extern unsigned long	strtoul(const char *string, char **endPtr, int base);

#endif /* _STDLIB */

Deleted compat/strtod.c.

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/*
 * strtod.c --
 *
 *	Source code for the "strtod" library procedure.
 *
 * Copyright (c) 1988-1993 The Regents of the University of California.
 * Copyright (c) 1994 Sun Microsystems, Inc.
 *
 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#include "tclInt.h"

#ifndef TRUE
#define TRUE 1
#define FALSE 0
#endif
#ifndef NULL
#define NULL 0
#endif

static const int maxExponent = 511;	/* Largest possible base 10 exponent.  Any
				 * exponent larger than this will already
				 * produce underflow or overflow, so there's
				 * no need to worry about additional digits.
				 */
static const double powersOf10[] = {	/* Table giving binary powers of 10.  Entry */
    10.,			/* is 10^2^i.  Used to convert decimal */
    100.,			/* exponents into floating-point numbers. */
    1.0e4,
    1.0e8,
    1.0e16,
    1.0e32,
    1.0e64,
    1.0e128,
    1.0e256
};
 
/*
 *----------------------------------------------------------------------
 *
 * strtod --
 *
 *	This procedure converts a floating-point number from an ASCII
 *	decimal representation to internal double-precision format.
 *
 * Results:
 *	The return value is the double-precision floating-point
 *	representation of the characters in string.  If endPtr isn't
 *	NULL, then *endPtr is filled in with the address of the
 *	next character after the last one that was part of the
 *	floating-point number.
 *
 * Side effects:
 *	None.
 *
 *----------------------------------------------------------------------
 */

double
strtod(
    const char *string,		/* A decimal ASCII floating-point number,
				 * optionally preceded by white space. Must
				 * have form "-I.FE-X", where I is the integer
				 * part of the mantissa, F is the fractional
				 * part of the mantissa, and X is the
				 * exponent. Either of the signs may be "+",
				 * "-", or omitted. Either I or F may be
				 * omitted, or both. The decimal point isn't
				 * necessary unless F is present. The "E" may
				 * actually be an "e". E and X may both be
				 * omitted (but not just one). */
    char **endPtr)		/* If non-NULL, store terminating character's
				 * address here. */
{
    int sign, expSign = FALSE;
    double fraction, dblExp;
    const double *d;
    register const char *p;
    register int c;
    int exp = 0;		/* Exponent read from "EX" field. */
    int fracExp = 0;		/* Exponent that derives from the fractional
				 * part. Under normal circumstatnces, it is
				 * the negative of the number of digits in F.
				 * However, if I is very long, the last digits
				 * of I get dropped (otherwise a long I with a
				 * large negative exponent could cause an
				 * unnecessary overflow on I alone). In this
				 * case, fracExp is incremented one for each
				 * dropped digit. */
    int mantSize;		/* Number of digits in mantissa. */
    int decPt;			/* Number of mantissa digits BEFORE decimal
				 * point. */
    const char *pExp;		/* Temporarily holds location of exponent in
				 * string. */

    /*
     * Strip off leading blanks and check for a sign.
     */

    p = string;
    while (isspace(UCHAR(*p))) {
	p += 1;
    }
    if (*p == '-') {
	sign = TRUE;
	p += 1;
    } else {
	if (*p == '+') {
	    p += 1;
	}
	sign = FALSE;
    }

    /*
     * Count the number of digits in the mantissa (including the decimal
     * point), and also locate the decimal point.
     */

    decPt = -1;
    for (mantSize = 0; ; mantSize += 1)
    {
	c = *p;
	if (!isdigit(c)) {
	    if ((c != '.') || (decPt >= 0)) {
		break;
	    }
	    decPt = mantSize;
	}
	p += 1;
    }

    /*
     * Now suck up the digits in the mantissa. Use two integers to collect 9
     * digits each (this is faster than using floating-point). If the mantissa
     * has more than 18 digits, ignore the extras, since they can't affect the
     * value anyway.
     */

    pExp  = p;
    p -= mantSize;
    if (decPt < 0) {
	decPt = mantSize;
    } else {
	mantSize -= 1;		/* One of the digits was the point. */
    }
    if (mantSize > 18) {
	fracExp = decPt - 18;
	mantSize = 18;
    } else {
	fracExp = decPt - mantSize;
    }
    if (mantSize == 0) {
	fraction = 0.0;
	p = string;
	goto done;
    } else {
	int frac1, frac2;

	frac1 = 0;
	for ( ; mantSize > 9; mantSize -= 1) {
	    c = *p;
	    p += 1;
	    if (c == '.') {
		c = *p;
		p += 1;
	    }
	    frac1 = 10*frac1 + (c - '0');
	}
	frac2 = 0;
	for (; mantSize > 0; mantSize -= 1) {
	    c = *p;
	    p += 1;
	    if (c == '.') {
		c = *p;
		p += 1;
	    }
	    frac2 = 10*frac2 + (c - '0');
	}
	fraction = (1.0e9 * frac1) + frac2;
    }

    /*
     * Skim off the exponent.
     */

    p = pExp;
    if ((*p == 'E') || (*p == 'e')) {
	p += 1;
	if (*p == '-') {
	    expSign = TRUE;
	    p += 1;
	} else {
	    if (*p == '+') {
		p += 1;
	    }
	    expSign = FALSE;
	}
	if (!isdigit(UCHAR(*p))) {
	    p = pExp;
	    goto done;
	}
	while (isdigit(UCHAR(*p))) {
	    exp = exp * 10 + (*p - '0');
	    p += 1;
	}
    }
    if (expSign) {
	exp = fracExp - exp;
    } else {
	exp = fracExp + exp;
    }

    /*
     * Generate a floating-point number that represents the exponent. Do this
     * by processing the exponent one bit at a time to combine many powers of
     * 2 of 10. Then combine the exponent with the fraction.
     */

    if (exp < 0) {
	expSign = TRUE;
	exp = -exp;
    } else {
	expSign = FALSE;
    }
    if (exp > maxExponent) {
	exp = maxExponent;
	errno = ERANGE;
    }
    dblExp = 1.0;
    for (d = powersOf10; exp != 0; exp >>= 1, ++d) {
	if (exp & 01) {
	    dblExp *= *d;
	}
    }
    if (expSign) {
	fraction /= dblExp;
    } else {
	fraction *= dblExp;
    }

  done:
    if (endPtr != NULL) {
	*endPtr = (char *) p;
    }

    if (sign) {
	return -fraction;
    }
    return fraction;
}
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    long result;

    /*
     * Skip any leading blanks.
     */

    p = string;
    while (isspace(UCHAR(*p))) {
	p += 1;
    }

    /*
     * Check for a sign.
     */







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    long result;

    /*
     * Skip any leading blanks.
     */

    p = string;
    while (TclIsSpaceProc(*p)) {
	p += 1;
    }

    /*
     * Check for a sign.
     */

Changes to compat/strtoul.c.

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    int overflow=0;

    /*
     * Skip any leading blanks.
     */

    p = string;
    while (isspace(UCHAR(*p))) {
	p += 1;
    }
    if (*p == '-') {
        negative = 1;
        p += 1;
    } else {
        if (*p == '+') {






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    int overflow=0;

    /*
     * Skip any leading blanks.
     */

    p = string;
    while (TclIsSpaceProc(*p)) {
	p += 1;
    }
    if (*p == '-') {
        negative = 1;
        p += 1;
    } else {
        if (*p == '+') {

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                      0,NULL,OPEN_EXISTING,0,NULL);
  GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
  DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
  LocalFileTimeToFileTime(&ftLocal,&ftm);
  SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
  CloseHandle(hFile);
#else
#ifdef unix || __APPLE__
  struct utimbuf ut;
  struct tm newdate;
  newdate.tm_sec = tmu_date.tm_sec;
  newdate.tm_min=tmu_date.tm_min;
  newdate.tm_hour=tmu_date.tm_hour;
  newdate.tm_mday=tmu_date.tm_mday;
  newdate.tm_mon=tmu_date.tm_mon;






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                      0,NULL,OPEN_EXISTING,0,NULL);
  GetFileTime(hFile,&ftCreate,&ftLastAcc,&ftLastWrite);
  DosDateTimeToFileTime((WORD)(dosdate>>16),(WORD)dosdate,&ftLocal);
  LocalFileTimeToFileTime(&ftLocal,&ftm);
  SetFileTime(hFile,&ftm,&ftLastAcc,&ftm);
  CloseHandle(hFile);
#else
#if defined(unix) || defined(__APPLE__)
  struct utimbuf ut;
  struct tm newdate;
  newdate.tm_sec = tmu_date.tm_sec;
  newdate.tm_min=tmu_date.tm_min;
  newdate.tm_hour=tmu_date.tm_hour;
  newdate.tm_mday=tmu_date.tm_mday;
  newdate.tm_mon=tmu_date.tm_mon;

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        FindClose(hFind);
        ret = 1;
      }
  }
  return ret;
}
#else
#ifdef unix || __APPLE__
uLong filetime(f, tmzip, dt)
    char *f;               /* name of file to get info on */
    tm_zip *tmzip;         /* return value: access, modific. and creation times */
    uLong *dt;             /* dostime */
{
  int ret=0;
  struct stat s;        /* results of stat() */






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        FindClose(hFind);
        ret = 1;
      }
  }
  return ret;
}
#else
#if defined(unix) || defined(__APPLE__)
uLong filetime(f, tmzip, dt)
    char *f;               /* name of file to get info on */
    tm_zip *tmzip;         /* return value: access, modific. and creation times */
    uLong *dt;             /* dostime */
{
  int ret=0;
  struct stat s;        /* results of stat() */

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\fBTcl_ExternalToUtf\fR.
.PP
\fBTcl_WinUtfToTChar\fR and \fBTcl_WinTCharToUtf\fR are
Windows-only convenience
functions for converting between UTF-8 and Windows strings
based on the TCHAR type which is by convention
a Unicode character on Windows NT.
These functions are essentially wrappers around
\fBTcl_UtfToExternalDString\fR and
\fBTcl_ExternalToUtfDString\fR that convert to and from the
Unicode encoding.
.PP
\fBTcl_GetEncodingName\fR is roughly the inverse of \fBTcl_GetEncoding\fR.
Given an \fIencoding\fR, the return value is the \fIname\fR argument that
was used to create the encoding.  The string returned by
\fBTcl_GetEncodingName\fR is only guaranteed to persist until the
\fIencoding\fR is deleted.  The caller must not modify this string.
.PP






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\fBTcl_ExternalToUtf\fR.
.PP
\fBTcl_WinUtfToTChar\fR and \fBTcl_WinTCharToUtf\fR are
Windows-only convenience
functions for converting between UTF-8 and Windows strings
based on the TCHAR type which is by convention
a Unicode character on Windows NT.




.PP
\fBTcl_GetEncodingName\fR is roughly the inverse of \fBTcl_GetEncoding\fR.
Given an \fIencoding\fR, the return value is the \fIname\fR argument that
was used to create the encoding.  The string returned by
\fBTcl_GetEncodingName\fR is only guaranteed to persist until the
\fIencoding\fR is deleted.  The caller must not modify this string.
.PP

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\fBTCL_EVAL_DIRECT\fR flag is useful in situations where the
contents of a value are going to change immediately, so the
bytecodes will not be reused in a future execution.  In this case,
it is faster to execute the script directly.
.TP 23
\fBTCL_EVAL_GLOBAL\fR
.
If this flag is set, the script is processed at global level.  This
means that it is evaluated in the global namespace and its variable
context consists of global variables only (it ignores any Tcl
procedures that are active).


.SH "MISCELLANEOUS DETAILS"
.PP
During the processing of a Tcl command it is legal to make nested
calls to evaluate other commands (this is how procedures and
some control structures are implemented).
If a code other than \fBTCL_OK\fR is returned






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\fBTCL_EVAL_DIRECT\fR flag is useful in situations where the
contents of a value are going to change immediately, so the
bytecodes will not be reused in a future execution.  In this case,
it is faster to execute the script directly.
.TP 23
\fBTCL_EVAL_GLOBAL\fR
.
If this flag is set, the script is evaluated in the global namespace instead of

the current namespace and its variable context consists of global variables
only (it ignores any Tcl procedures that are active).
.\" TODO: document TCL_EVAL_INVOKE and TCL_EVAL_NOERR.

.SH "MISCELLANEOUS DETAILS"
.PP
During the processing of a Tcl command it is legal to make nested
calls to evaluate other commands (this is how procedures and
some control structures are implemented).
If a code other than \fBTCL_OK\fR is returned

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.\"
.\" Copyright (c) 2008 by Kevin B. Kenny.

.\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH NRE 3 8.6 Tcl "Tcl Library Procedures"
.so man.macros
.BS
................................................................................
.sp
void
\fBTcl_NRAddCallback\fR(\fIinterp, postProcPtr, data0, data1, data2, data3\fR)
.fi
.SH ARGUMENTS
.AS Tcl_CmdDeleteProc *interp in
.AP Tcl_Interp *interp in
Interpreter in which to create or evaluate a command.
.AP char *cmdName in
Name of a new command to create.
.AP Tcl_ObjCmdProc *proc in
Implementation of a command that will be called whenever \fIcmdName\fR
is invoked as a command in the unoptimized way.


.AP Tcl_ObjCmdProc *nreProc in
Implementation of a command that will be called whenever \fIcmdName\fR
is invoked and requested to conserve the C stack.

.AP ClientData clientData in
Arbitrary one-word value that will be passed to \fIproc\fR, \fInreProc\fR,
\fIdeleteProc\fR and \fIobjProc\fR.
.AP Tcl_CmdDeleteProc *deleteProc in/out
Procedure to call before \fIcmdName\fR is deleted from the interpreter.
This procedure allows for command-specific cleanup. If \fIdeleteProc\fR
is \fBNULL\fR, then no procedure is called before the command is deleted.
.AP int objc in
Count of parameters provided to the implementation of a command.
.AP Tcl_Obj **objv in
Pointer to an array of Tcl values. Each value holds the value of a
single word in the command to execute.
.AP Tcl_Obj *objPtr in
Pointer to a Tcl_Obj whose value is a script or expression to execute.
.AP int flags in

ORed combination of flag bits that specify additional options.
\fBTCL_EVAL_GLOBAL\fR is the only flag that is currently supported.
.\" TODO: This is a lie. But kbk didn't grasp TCL_EVAL_INVOKE and
.\"       TCL_EVAL_NOERR well enough to document them.
.AP Tcl_Command cmd in
Token for a command that is to be used instead of the currently

executing command.
.AP Tcl_Obj *resultPtr out
Pointer to an unshared Tcl_Obj where the result of expression
evaluation is written.

.AP Tcl_NRPostProc *postProcPtr in
Pointer to a function that will be invoked when the command currently
executing in the interpreter designated by \fIinterp\fR completes.

.AP ClientData data0 in
.AP ClientData data1 in
.AP ClientData data2 in
.AP ClientData data3 in
\fIdata0\fR through \fIdata3\fR are four one-word values that will be passed
to the function designated by \fIpostProcPtr\fR when it is invoked.
.BE
.SH DESCRIPTION
.PP
This series of C functions provides an interface whereby commands that
are implemented in C can be evaluated, and invoke Tcl commands scripts
and scripts, without consuming space on the C stack. The non-recursive
evaluation is done by installing a \fItrampoline\fR, a small piece of
code that invokes a command or script, and then executes a series of
callbacks when the command or script returns.





.PP
The \fBTcl_NRCreateCommand\fR function creates a Tcl command in the
interpreter designated by \fIinterp\fR that is prepared to handle
nonrecursive evaluation with a trampoline. The \fIcmdName\fR argument
gives the name of the new command. If \fIcmdName\fR contains any
namespace qualifiers, then the new command is added to the specified
namespace; otherwise, it is added to the global namespace. \fIproc\fR
gives the procedure that will be called when the interpreter wishes to
evaluate the command in an unoptimized manner, and \fInreProc\fR is
the procedure that will be called when the interpreter wishes to
evaluate the command using a trampoline. \fIdeleteProc\fR is a
function that will be called before the command is deleted from the
interpreter. When any of the three functions is invoked, it is passed
the \fIclientData\fR parameter.
.PP
\fBTcl_NRCreateCommand\fR deletes any existing command
\fIname\fR already associated with the interpreter
(however see below for an exception where the existing command
is not deleted).
It returns a token that may be used to refer


to the command in subsequent calls to \fBTcl_GetCommandName\fR.
If \fBTcl_NRCreateCommand\fR is called for an interpreter that is in

the process of being deleted, then it does not create a new command,

does not delete any existing command of the same name, and returns NULL.
.PP
The \fIproc\fR and \fInreProc\fR function are expected to conform to
all the rules set forth for the \fIproc\fR argument to
\fBTcl_CreateObjCommand\fR(3) (\fIq.v.\fR).


.PP
When a command that is written to cope with evaluation via trampoline
is invoked without a trampoline on the stack, it will usually respond
to the invocation by creating a trampoline and calling the
trampoline-enabled implementation of the same command. This call is done by
means of \fBTcl_NRCallObjProc\fR. In the call to
\fBTcl_NRCallObjProc\fR, the \fIinterp\fR, \fIclientData\fR,
\fIobjc\fR and \fIobjv\fR parameters should be the same ones that were
passed to \fIproc\fR. The \fInreProc\fR parameter should designate the
trampoline-enabled implementation of the command.
.PP
\fBTcl_NREvalObj\fR arranges for the script contained in \fIobjPtr\fR
to be evaluated in the interpreter designated by \fIinterp\fR after
the current command (which must be trampoline-enabled) returns. It is
the method by which a command may invoke a script without consuming

space on the C stack. Similarly, \fBTcl_NREvalObjv\fR arranges to
invoke a single Tcl command whose words have already been separated
and substituted. The \fIobjc\fR and \fIobjv\fR parameters give the
words of the command to be evaluated when execution reaches the
trampoline.
.PP
\fBTcl_NRCmdSwap\fR allows for trampoline evaluation of a command whose
resolution is already known.  The \fIcmd\fR parameter gives a

\fBTcl_Command\fR token (returned from \fBTcl_CreateObjCommand\fR or
\fBTcl_GetCommandFromObj\fR) identifying the command to be invoked in
the trampoline; this command must match the word in \fIobjv[0]\fR.
The remaining arguments are as for \fBTcl_NREvalObjv\fR.

.PP
\fBTcl_NREvalObj\fR, \fBTcl_NREvalObjv\fR and \fBTcl_NRCmdSwap\fR
all accept a \fIflags\fR parameter, which is an OR-ed-together set of
bits to control evaluation. At the present time, the only supported flag
available to callers is \fBTCL_EVAL_GLOBAL\fR.
.\" TODO: Again, this is a lie. Do we want to explain TCL_EVAL_INVOKE
.\"       and TCL_EVAL_NOERR?
If the \fBTCL_EVAL_GLOBAL\fR flag is set, the script or command is
evaluated in the global namespace. If it is not set, it is evaluated
in the current namespace.



.PP
\fBTcl_NRExprObj\fR arranges for the expression contained in \fIobjPtr\fR
to be evaluated in the interpreter designated by \fIinterp\fR after
the current command (which must be trampoline-enabled) returns. It is
the method by which a command may evaluate a Tcl expression without consuming
space on the C stack.  The argument \fIresultPtr\fR is a pointer to an
unshared Tcl_Obj where the result of expression evaluation is to be written.
If expression evaluation returns any code other than TCL_OK, the
\fIresultPtr\fR value is left untouched.
.PP
All of the routines return \fBTCL_OK\fR if command or expression invocation

has been scheduled successfully. If for any reason the scheduling cannot
be completed (for example, if the interpreter is unable to find
the requested command), they return \fBTCL_ERROR\fR with an
appropriate message left in the interpreter's result.
.PP
\fBTcl_NRAddCallback\fR arranges to have a C function called when the
current trampoline-enabled command in the Tcl interpreter designated
by \fIinterp\fR returns.  The \fIpostProcPtr\fR argument is a pointer
to the callback function, which must have arguments and return value

consistent with the \fBTcl_NRPostProc\fR data type:
.PP
.CS
typedef int
\fBTcl_NRPostProc\fR(
        \fBClientData\fR \fIdata\fR[],
        \fBTcl_Interp\fR *\fIinterp\fR,
        int \fIresult\fR);
.CE
.PP
When the trampoline invokes the callback function, the \fIdata\fR
parameter will point to an array containing the four one-word
quantities that were passed to \fBTcl_NRAddCallback\fR in the
\fIdata0\fR through \fIdata3\fR parameters. The Tcl interpreter will
be designated by the \fIinterp\fR parameter, and the \fIresult\fR
parameter will contain the result (\fBTCL_OK\fR, \fBTCL_ERROR\fR,
\fBTCL_RETURN\fR, \fBTCL_BREAK\fR or \fBTCL_CONTINUE\fR) that was
returned by the command evaluation. The callback function is expected,
in turn, either to return a \fIresult\fR to control further evaluation.
.PP
Multiple \fBTcl_NRAddCallback\fR invocations may request multiple
callbacks, which may be to the same or different callback
functions. If multiple callbacks are requested, they are executed in
last-in, first-out order, that is, the most recently requested
callback is executed first.
.SH EXAMPLE
.PP
The usual pattern for Tcl commands that invoke other Tcl commands
is something like:


.PP
.CS
int
\fITheCmdOldObjProc\fR(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
................................................................................

    return result;
}
\fBTcl_CreateObjCommand\fR(interp, "theCommand",
        \fITheCmdOldObjProc\fR, clientData, TheCmdDeleteProc);
.CE
.PP
To enable a command like this one for trampoline-based evaluation,
it must be split into three pieces:
.IP \(bu
A non-trampoline implementation, \fITheCmdNewObjProc\fR,
which will simply create a trampoline
and invoke the trampoline-based implementation.
.IP \(bu
A trampoline-enabled implementation, \fITheCmdNRObjProc\fR.  This
function will perform the initialization, request that the trampoline
call the postprocessing routine after command evaluation, and finally,
request that the trampoline call the inner command.
.IP \(bu
A postprocessing routine, \fITheCmdPostProc\fR. This function will
perform the postprocessing formerly done after the return from the
inner command in \fITheCmdObjProc\fR.
.PP
The non-trampoline implementation is simple and stylized, containing
a single statement:
.PP
.CS
int
\fITheCmdNewObjProc\fR(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    return \fBTcl_NRCallObjProc\fR(interp, \fITheCmdNRObjProc\fR,
            clientData, objc, objv);
}
.CE
.PP
The trampoline-enabled implementation requests postprocessing,
and returns to the trampoline requesting command evaluation.
.PP
.CS
int
\fITheCmdNRObjProc\fR
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
................................................................................
    /* \fIdata0 .. data3\fR are up to four one-word items to
     * pass to the postprocessing procedure */

    return \fBTcl_NREvalObj\fR(interp, objPtr, 0);
}
.CE
.PP
The postprocessing procedure does whatever the original command did
upon return from the inner evaluation.
.PP
.CS
int
\fITheCmdNRPostProc\fR(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
................................................................................

    \fI... postprocessing ...\fR

    return result;
}
.CE
.PP
If \fItheCommand\fR is a command that results in multiple commands or
scripts being evaluated, its postprocessing routine may schedule
additional postprocessing and then request another command evaluation
by means of \fBTcl_NREvalObj\fR or one of the other evaluation
routines. Looping and sequencing constructs may be implemented in this way.
.PP
Finally, to install a trampoline-enabled command in the interpreter,
\fBTcl_NRCreateCommand\fR is used in place of
\fBTcl_CreateObjCommand\fR.  It accepts two command procedures instead
of one. The first is for use when no trampoline is yet on the stack,
and the second is for use when there is already a trampoline in place.
.PP
.CS
\fBTcl_NRCreateCommand\fR(interp, "theCommand",
        \fITheCmdNewObjProc\fR, \fITheCmdNRObjProc\fR, clientData,
        TheCmdDeleteProc);
.CE
.SH "SEE ALSO"
Tcl_CreateCommand(3), Tcl_CreateObjCommand(3), Tcl_EvalObjEx(3), Tcl_GetCommandFromObj(3), Tcl_ExprObj(3)
.SH KEYWORDS
stackless, nonrecursive, execute, command, global, value, result, script
.SH COPYRIGHT
Copyright (c) 2008 by Kevin B. Kenny


>







 







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.\"
.\" Copyright (c) 2008 by Kevin B. Kenny.
.\" Copyright (c) 2018 by Nathan Coulter. 
.\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH NRE 3 8.6 Tcl "Tcl Library Procedures"
.so man.macros
.BS
................................................................................
.sp
void
\fBTcl_NRAddCallback\fR(\fIinterp, postProcPtr, data0, data1, data2, data3\fR)
.fi
.SH ARGUMENTS
.AS Tcl_CmdDeleteProc *interp in
.AP Tcl_Interp *interp in
The relevant Interpreter.
.AP char *cmdName in
Name of the command to create.
.AP Tcl_ObjCmdProc *proc in
Called in order to evaluate a command.  Is often just a small wrapper that uses
\fBTcl_NRCallObjProc\fR to call \fInreProc\fR using a new trampoline.  Behaves
in the same way as the \fIproc\fR argument to \fBTcl_CreateObjCommand\fR(3)
(\fIq.v.\fR).
.AP Tcl_ObjCmdProc *nreProc in


Called instead of \fIproc\fR when a trampoline is already in use.
.AP ClientData clientData in
Arbitrary one-word value passed to \fIproc\fR, \fInreProc\fR, \fIdeleteProc\fR
and \fIobjProc\fR.
.AP Tcl_CmdDeleteProc *deleteProc in/out
Called before \fIcmdName\fR is deleted from the interpreter, allowing for
command-specific cleanup. May be NULL.

.AP int objc in
Number of items in \fIobjv\fR.
.AP Tcl_Obj **objv in

Words in the command.
.AP Tcl_Obj *objPtr in
A script or expression to evaluate.
.AP int flags in
As described for \fITcl_EvalObjv\fR.
.PP



.AP Tcl_Command cmd in

Token to use instead of one derived from the first word of \fIobjv\fR in order
to evaluate a command.
.AP Tcl_Obj *resultPtr out
Pointer to an unshared Tcl_Obj where the result of the evaluation is stored if

the return code is TCL_OK.
.AP Tcl_NRPostProc *postProcPtr in


A function to push.
.AP ClientData data0 in
.AP ClientData data1 in
.AP ClientData data2 in
.AP ClientData data3 in
\fIdata0\fR through \fIdata3\fR are four one-word values that will be passed
to the function designated by \fIpostProcPtr\fR when it is invoked.
.BE
.SH DESCRIPTION
.PP
These functions provide an interface to the function stack that an interpreter
iterates through to evaluate commands.  The routine behind a command is
implemented by an initial function and any additional functions that the
routine pushes onto the stack as it progresses.  The interpreter itself pushes
functions onto the stack to react to the end of a routine and to exercise other
forms of control such as switching between in-progress stacks and the
evaluation of other scripts at additional levels without adding frames to the C
stack.  To execute a routine, the initial function for the routine is called
and then a small bit of code called a \fItrampoline\fR iteratively takes
functions off the stack and calls them, using the value of the last call as the
value of the routine.
.PP





\fBTcl_NRCallObjProc\fR calls \fInreProc\fR using a new trampoline.







.PP
\fBTcl_NRCreateCommand\fR, an alternative to \fBTcl_CreateObjCommand\fR,




resolves \fIcmdName\fR, which may contain namespace qualifiers, relative to the
current namespace, creates a command by that name, and returns a token for the
command which may be used in subsequent calls to \fBTcl_GetCommandName\fR.

Except for a few cases noted below any existing command by the same name is
first deleted.  If \fIinterp\fR is in the process of being deleted
\fBTcl_NRCreateCommand\fR does not create any command, does not delete any
command, and returns NULL.
.PP



\fBTcl_NREvalObj\fR pushes a function that is like \fBTcl_EvalObjEx\fR but
consumes no space on the C stack.
.PP














\fBTcl_NREvalObjv\fR pushes a function that is like \fBTcl_EvalObjv\fR but
consumes no space on the C stack.




.PP


\fBTcl_NRCmdSwap\fR is like \fBTcl_NREvalObjv\fR, but uses \fIcmd\fR, a token
previously returned by \fBTcl_CreateObjCommand\fR or
\fBTcl_GetCommandFromObj\fR, instead of resolving the first word of \fIobjv\fR.


.  The name of this command must be the same as \fIobjv[0]\fR.
.PP









\fBTcl_NRExprObj\fR pushes a function that evaluates \fIobjPtr\fR as an
expression in the same manner as \fBTcl_ExprObj\fR but without consuming space
on the C stack.
.PP










All of the functions return \fBTCL_OK\fR if the evaluation of the script,
command, or expression has been scheduled successfully.  Otherwise (for example

if the command name cannot be resolved), they return \fBTCL_ERROR\fR and store
a message as the interpreter's result.
.PP




\fBTcl_NRAddCallback\fR pushes \fIpostProcPtr\fR.  The signature for
\fBTcl_NRPostProc\fR is:
.PP
.CS
typedef int
\fBTcl_NRPostProc\fR(
        \fBClientData\fR \fIdata\fR[],
        \fBTcl_Interp\fR *\fIinterp\fR,
        int \fIresult\fR);
.CE
.PP
\fIdata\fR is a pointer to an array containing \fIdata0\fR through \fIdata3\fR.
\fIresult\fR is the value returned by the previous function implementing part
the routine.












.SH EXAMPLE
.PP


The following command uses \fBTcl_EvalObjEx\fR, which consumes space on the C
stack, to evalute a script:
.PP
.CS
int
\fITheCmdOldObjProc\fR(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
................................................................................

    return result;
}
\fBTcl_CreateObjCommand\fR(interp, "theCommand",
        \fITheCmdOldObjProc\fR, clientData, TheCmdDeleteProc);
.CE
.PP
To avoid consuming space on the C stack, \fITheCmdOldObjProc\fR is renamed to
\fITheCmdNRObjProc\fR and the postprocessing step is split into a separate
function, \fITheCmdPostProc\fR, which is pushed onto the function stack.
\fITcl_EvalObjEx\fR is replaced with \fITcl_NREvalObj\fR, which uses a
trampoline instead of consuming space on the C stack.  A new version of
\fITheCmdOldObjProc\fR is just a a wrapper that uses \fBTcl_NRCallObjProc\fR to

call \fITheCmdNRObjProc\fR:







.PP



.CS
int
\fITheCmdOldObjProc\fR(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    return \fBTcl_NRCallObjProc\fR(interp, \fITheCmdNRObjProc\fR,
            clientData, objc, objv);
}
.CE
.PP



.CS
int
\fITheCmdNRObjProc\fR
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
................................................................................
    /* \fIdata0 .. data3\fR are up to four one-word items to
     * pass to the postprocessing procedure */

    return \fBTcl_NREvalObj\fR(interp, objPtr, 0);
}
.CE
.PP



.CS
int
\fITheCmdNRPostProc\fR(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
................................................................................

    \fI... postprocessing ...\fR

    return result;
}
.CE
.PP
Any function comprising a routine can push other functions, making it possible



implement looping and sequencing constructs using the function stack.
.PP











.SH "SEE ALSO"
Tcl_CreateCommand(3), Tcl_CreateObjCommand(3), Tcl_EvalObjEx(3), Tcl_GetCommandFromObj(3), Tcl_ExprObj(3)
.SH KEYWORDS
stackless, nonrecursive, execute, command, global, value, result, script
.SH COPYRIGHT
Copyright (c) 2008 by Kevin B. Kenny.
Copyright (c) 2018 by Nathan Coulter.

Changes to doc/Object.3.

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\fBincr x\fR
.CE
.PP
The \fBincr\fR command first gets an integer from \fIx\fR's value
by calling \fBTcl_GetIntFromObj\fR.
This procedure checks whether the value is already an integer value.
Since it is not, it converts the value
by setting the value's \fIinternalRep.longValue\fR member
to the integer \fB123\fR
and setting the value's \fItypePtr\fR
to point to the integer Tcl_ObjType structure.
Both representations are now valid.
\fBincr\fR increments the value's integer internal representation
then invalidates its string representation
(by calling \fBTcl_InvalidateStringRep\fR)






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\fBincr x\fR
.CE
.PP
The \fBincr\fR command first gets an integer from \fIx\fR's value
by calling \fBTcl_GetIntFromObj\fR.
This procedure checks whether the value is already an integer value.
Since it is not, it converts the value
by setting the value's internal representation
to the integer \fB123\fR
and setting the value's \fItypePtr\fR
to point to the integer Tcl_ObjType structure.
Both representations are now valid.
\fBincr\fR increments the value's integer internal representation
then invalidates its string representation
(by calling \fBTcl_InvalidateStringRep\fR)

Changes to doc/ParseArgs.3.

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'\"
'\" Copyright (c) 2008 Donal K. Fellows
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\" 
.TH Tcl_ParseArgsObjv 3 8.6 Tcl "Tcl Library Procedures"
.so man.macros
.BS
.SH NAME
Tcl_ParseArgsObjv \- parse arguments according to a tabular description
.SH SYNOPSIS
.nf
................................................................................
As noted above, the \fItype\fR field is used to describe the interpretation of
the argument's value. The following values are acceptable values for
\fItype\fR:
.TP
\fBTCL_ARGV_CONSTANT\fR
.
The argument does not take any following value argument. If this argument is
present, the int pointed to by the \fIsrcPtr\fR field is copied to the
\fIdstPtr\fR field. The \fIclientData\fR field is ignored.
.TP
\fBTCL_ARGV_END\fR
.
This value marks the end of all option descriptors in the table. All other
fields are ignored.
.TP
\fBTCL_ARGV_FLOAT\fR




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'\"
'\" Copyright (c) 2008 Donal K. Fellows
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH Tcl_ParseArgsObjv 3 8.6 Tcl "Tcl Library Procedures"
.so man.macros
.BS
.SH NAME
Tcl_ParseArgsObjv \- parse arguments according to a tabular description
.SH SYNOPSIS
.nf
................................................................................
As noted above, the \fItype\fR field is used to describe the interpretation of
the argument's value. The following values are acceptable values for
\fItype\fR:
.TP
\fBTCL_ARGV_CONSTANT\fR
.
The argument does not take any following value argument. If this argument is
present, the \fIsrcPtr\fR field (casted to \fIint\fR) is copied to the variable
pointed to by the \fIdstPtr\fR field. The \fIclientData\fR field is ignored.
.TP
\fBTCL_ARGV_END\fR
.
This value marks the end of all option descriptors in the table. All other
fields are ignored.
.TP
\fBTCL_ARGV_FLOAT\fR

Changes to doc/SaveResult.3.

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value may then be passed back to one of \fBTcl_RestoreInterpState\fR
or \fBTcl_DiscardInterpState\fR, depending on whether the interp
state is to be restored.  So long as one of the latter two routines
is called, Tcl will take care of memory management.
.PP
The second triplet stores the snapshot of only the interpreter
result (not its complete state) in memory allocated by the caller.
These routines are passed a pointer to a \fBTcl_SavedResult\fR structure
that is used to store enough information to restore the interpreter result.
This structure can be allocated on the stack of the calling
procedure.  These routines do not save the state of any error
information in the interpreter (e.g. the \fB\-errorcode\fR or
\fB\-errorinfo\fR return options, when an error is in progress).
.PP
Because the routines \fBTcl_SaveInterpState\fR,
\fBTcl_RestoreInterpState\fR, and \fBTcl_DiscardInterpState\fR perform
a superset of the functions provided by the other routines,






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value may then be passed back to one of \fBTcl_RestoreInterpState\fR
or \fBTcl_DiscardInterpState\fR, depending on whether the interp
state is to be restored.  So long as one of the latter two routines
is called, Tcl will take care of memory management.
.PP
The second triplet stores the snapshot of only the interpreter
result (not its complete state) in memory allocated by the caller.
These routines are passed a pointer to \fBTcl_SavedResult\fR
that is used to store enough information to restore the interpreter result.
\fBTcl_SavedResult\fR can be allocated on the stack of the calling
procedure.  These routines do not save the state of any error
information in the interpreter (e.g. the \fB\-errorcode\fR or
\fB\-errorinfo\fR return options, when an error is in progress).
.PP
Because the routines \fBTcl_SaveInterpState\fR,
\fBTcl_RestoreInterpState\fR, and \fBTcl_DiscardInterpState\fR perform
a superset of the functions provided by the other routines,

Changes to doc/ToUpper.3.

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\fBTcl_UtfToLower\fR(\fIstr\fR)
.sp
int
\fBTcl_UtfToTitle\fR(\fIstr\fR)
.SH ARGUMENTS
.AS char *str in/out
.AP int ch in
The Tcl_UniChar to be converted.
.AP char *str in/out
Pointer to UTF-8 string to be converted in place.
.BE

.SH DESCRIPTION
.PP
The first three routines convert the case of individual Unicode characters:






|







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\fBTcl_UtfToLower\fR(\fIstr\fR)
.sp
int
\fBTcl_UtfToTitle\fR(\fIstr\fR)
.SH ARGUMENTS
.AS char *str in/out
.AP int ch in
The Unicode character to be converted.
.AP char *str in/out
Pointer to UTF-8 string to be converted in place.
.BE

.SH DESCRIPTION
.PP
The first three routines convert the case of individual Unicode characters:

Changes to doc/UniCharIsAlpha.3.

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.AS int ch
.AP int ch in
The Tcl_UniChar to be examined.
.BE

.SH DESCRIPTION
.PP
All of the routines described examine Tcl_UniChars and return a
boolean value. A non-zero return value means that the character does
belong to the character class associated with the called routine. The
rest of this document just describes the character classes associated
with the various routines.
.PP
Note: A Tcl_UniChar is a Unicode character represented as an unsigned,
fixed-size quantity.

.SH "CHARACTER CLASSES"
.PP
\fBTcl_UniCharIsAlnum\fR tests if the character is an alphanumeric Unicode character.
.PP
\fBTcl_UniCharIsAlpha\fR tests if the character is an alphabetic Unicode character.
.PP






|




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.AS int ch
.AP int ch in
The Tcl_UniChar to be examined.
.BE

.SH DESCRIPTION
.PP
All of the routines described examine Unicode characters and return a
boolean value. A non-zero return value means that the character does
belong to the character class associated with the called routine. The
rest of this document just describes the character classes associated
with the various routines.




.SH "CHARACTER CLASSES"
.PP
\fBTcl_UniCharIsAlnum\fR tests if the character is an alphanumeric Unicode character.
.PP
\fBTcl_UniCharIsAlpha\fR tests if the character is an alphabetic Unicode character.
.PP

Changes to doc/Utf.3.

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\fBTcl_UtfBackslash\fR(\fIsrc, readPtr, dst\fR)
.SH ARGUMENTS
.AS "const Tcl_UniChar" *uniPattern in/out
.AP char *buf out
Buffer in which the UTF-8 representation of the Tcl_UniChar is stored.  At most
\fBTCL_UTF_MAX\fR bytes are stored in the buffer.
.AP int ch in
The Tcl_UniChar to be converted or examined.
.AP Tcl_UniChar *chPtr out
Filled with the Tcl_UniChar represented by the head of the UTF-8 string.
.AP "const char" *src in
Pointer to a UTF-8 string.
.AP "const char" *cs in
Pointer to a UTF-8 string.
.AP "const char" *ct in






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\fBTcl_UtfBackslash\fR(\fIsrc, readPtr, dst\fR)
.SH ARGUMENTS
.AS "const Tcl_UniChar" *uniPattern in/out
.AP char *buf out
Buffer in which the UTF-8 representation of the Tcl_UniChar is stored.  At most
\fBTCL_UTF_MAX\fR bytes are stored in the buffer.
.AP int ch in
The Unicode character to be converted or examined.
.AP Tcl_UniChar *chPtr out
Filled with the Tcl_UniChar represented by the head of the UTF-8 string.
.AP "const char" *src in
Pointer to a UTF-8 string.
.AP "const char" *cs in
Pointer to a UTF-8 string.
.AP "const char" *ct in

Changes to doc/clock.n.

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If a format string lacks a \fB%z\fR or \fB%Z\fR format group,
it is possible for the time to be ambiguous because it appears twice
in the same day, once without and once with Daylight Saving Time.
If this situation occurs, the first occurrence of the time is chosen.
(For this reason, it is wise to have the input string contain the
time zone when converting local times.  This caveat does not apply to
UTC times.)













.SH "FORMAT GROUPS"
.PP
The following format groups are recognized by the \fBclock scan\fR and
\fBclock format\fR commands.
.TP
\fB%a\fR
On output, receives an abbreviation (\fIe.g.,\fR \fBMon\fR) for the day






>
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>







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If a format string lacks a \fB%z\fR or \fB%Z\fR format group,
it is possible for the time to be ambiguous because it appears twice
in the same day, once without and once with Daylight Saving Time.
If this situation occurs, the first occurrence of the time is chosen.
(For this reason, it is wise to have the input string contain the
time zone when converting local times.  This caveat does not apply to
UTC times.)
.PP
If the interpretation of the groups yields an impossible time because
a field is out of range, enough of that field's unit will be added to
or subtracted from the time to bring it in range. Thus, if attempting to
scan or format day 0 of the month, one day will be subtracted from day
1 of the month, yielding the last day of the previous month.
.PP
If the interpretation of the groups yields an impossible time because
a Daylight Saving Time change skips over that time, or an ambiguous
time because a Daylight Saving Time change skips back so that the clock
observes the given time twice, and no time zone specifier (\fB%z\fR
or \fB%Z\fR) is present in the format, the time is interpreted as
if the clock had not changed. 
.SH "FORMAT GROUPS"
.PP
The following format groups are recognized by the \fBclock scan\fR and
\fBclock format\fR commands.
.TP
\fB%a\fR
On output, receives an abbreviation (\fIe.g.,\fR \fBMon\fR) for the day

Changes to doc/define.n.

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command) will be \fIargList\fR, and the body of the constructor will be
\fIbodyScript\fR. When the body of the constructor is evaluated, the current
namespace of the constructor will be a namespace that is unique to the object
being constructed. Within the constructor, the \fBnext\fR command should be
used to call the superclasses' constructors. If \fIbodyScript\fR is the empty
string, the constructor will be deleted.
.TP
\fBdeletemethod\fI name\fR ?\fIname ...\fR
.
This deletes each of the methods called \fIname\fR from a class. The methods
must have previously existed in that class. Does not affect the superclasses
of the class, nor does it affect the subclasses or instances of the class
(except when they have a call chain through the class being modified).
.TP
\fBdestructor\fI bodyScript\fR






|







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command) will be \fIargList\fR, and the body of the constructor will be
\fIbodyScript\fR. When the body of the constructor is evaluated, the current
namespace of the constructor will be a namespace that is unique to the object
being constructed. Within the constructor, the \fBnext\fR command should be
used to call the superclasses' constructors. If \fIbodyScript\fR is the empty
string, the constructor will be deleted.
.TP
\fBdeletemethod\fI name\fR ?\fIname ...\fR?
.
This deletes each of the methods called \fIname\fR from a class. The methods
must have previously existed in that class. Does not affect the superclasses
of the class, nor does it affect the subclasses or instances of the class
(except when they have a call chain through the class being modified).
.TP
\fBdestructor\fI bodyScript\fR

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.QW \[email protected]\0\fIfileId\fR
notation, does not work.  When reading from a socket, a 16-bit DOS
application will hang and a 32-bit application will return immediately with
end-of-file.  When either type of application writes to a socket, the
information is instead sent to the console, if one is present, or is
discarded.
.RS













.PP
The Tk console text widget does not provide real standard IO capabilities.
Under Tk, when redirecting from standard input, all applications will see an
immediate end-of-file; information redirected to standard output or standard
error will be discarded.
.PP
Either forward or backward slashes are accepted as path separators for
................................................................................
.CS
\fBexec\fR cmp.bat somefile.c -o somefile
.CE
.PP
With the file \fIcmp.bat\fR looking something like:
.PP
.CS




@gcc %1 %2 %3 %4 %5 %6 %7 %8 %9
.CE
.SS "WORKING WITH COMMAND BUILT-INS"
.PP
Sometimes you need to be careful, as different programs may have the
same name and be in the path. It can then happen that typing a command
at the DOS prompt finds \fIa different program\fR than the same






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.QW \[email protected]\0\fIfileId\fR
notation, does not work.  When reading from a socket, a 16-bit DOS
application will hang and a 32-bit application will return immediately with
end-of-file.  When either type of application writes to a socket, the
information is instead sent to the console, if one is present, or is
discarded.
.RS
.PP
Note that the current escape resp. quoting of arguments for windows works only
with executables using CommandLineToArgv, CRT-library or similar, as well as
with the windows batch files (excepting the newline, see below).
Although it is the common escape algorithm, but, in fact, the way how the
executable parses the command-line (resp. splits it into single arguments)
is decisive.
.PP
Unfortunately, there is currently no way to supply newline character within
an argument to the batch files (\fB.cmd\fR or \fB.bat\fR) or to the command
processor (\fBcmd.exe /c\fR), because this causes truncation of command-line
(also the argument chain) on the first newline character.
But it works properly with an executable (using CommandLineToArgv, etc).
.PP
The Tk console text widget does not provide real standard IO capabilities.
Under Tk, when redirecting from standard input, all applications will see an
immediate end-of-file; information redirected to standard output or standard
error will be discarded.
.PP
Either forward or backward slashes are accepted as path separators for
................................................................................
.CS
\fBexec\fR cmp.bat somefile.c -o somefile
.CE
.PP
With the file \fIcmp.bat\fR looking something like:
.PP
.CS
@gcc %*
.CE
or like another variant using single parameters:
.CS
@gcc %1 %2 %3 %4 %5 %6 %7 %8 %9
.CE
.SS "WORKING WITH COMMAND BUILT-INS"
.PP
Sometimes you need to be careful, as different programs may have the
same name and be in the path. It can then happen that typing a command
at the DOS prompt finds \fIa different program\fR than the same

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number if the first character is not a sign.
.TP 10
\fB0\fR
Specifies that the number should be padded on the left with
zeroes instead of spaces.
.TP 10
\fB#\fR
Requests an alternate output form. For \fBo\fR and \fBO\fR
conversions it guarantees that the first digit is always \fB0\fR.
For \fBx\fR or \fBX\fR conversions, \fB0x\fR or \fB0X\fR (respectively)
will be added to the beginning of the result unless it is zero.
For \fBb\fR conversions, \fB0b\fR
will be added to the beginning of the result unless it is zero.
For all floating-point conversions (\fBe\fR, \fBE\fR, \fBf\fR,
\fBg\fR, and \fBG\fR) it guarantees that the result always
................................................................................
Convert integer to unsigned hexadecimal string, using digits
.QW 0123456789abcdef
for \fBx\fR and
.QW 0123456789ABCDEF
for \fBX\fR).
.TP 10
\fBb\fR
Convert integer to binary string, using digits 0 and 1.
.TP 10
\fBc\fR
Convert integer to the Unicode character it represents.
.TP 10
\fBs\fR
No conversion; just insert string.
.TP 10






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number if the first character is not a sign.
.TP 10
\fB0\fR
Specifies that the number should be padded on the left with
zeroes instead of spaces.
.TP 10
\fB#\fR
Requests an alternate output form. For \fBo\fR
conversions it guarantees that the first digit is always \fB0\fR.
For \fBx\fR or \fBX\fR conversions, \fB0x\fR or \fB0X\fR (respectively)
will be added to the beginning of the result unless it is zero.
For \fBb\fR conversions, \fB0b\fR
will be added to the beginning of the result unless it is zero.
For all floating-point conversions (\fBe\fR, \fBE\fR, \fBf\fR,
\fBg\fR, and \fBG\fR) it guarantees that the result always
................................................................................
Convert integer to unsigned hexadecimal string, using digits
.QW 0123456789abcdef
for \fBx\fR and
.QW 0123456789ABCDEF
for \fBX\fR).
.TP 10
\fBb\fR
Convert integer to unsigned binary string, using digits 0 and 1.
.TP 10
\fBc\fR
Convert integer to the Unicode character it represents.
.TP 10
\fBs\fR
No conversion; just insert string.
.TP 10

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'\" Copyright (c) 1995-1997 Sun Microsystems, Inc.
'\" Copyright (c) 1998-2000 by Ajuba Solutions.
'\" Copyright (c) 2004 ActiveState Corporation.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH "http" n 2.7 http "Tcl Bundled Packages"
.so man.macros
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
http \- Client-side implementation of the HTTP/1.1 protocol
.SH SYNOPSIS
\fBpackage require http ?2.7?\fR
.\" See Also -useragent option documentation in body!
.sp
\fB::http::config ?\fI\-option value\fR ...?
.sp
\fB::http::geturl \fIurl\fR ?\fI\-option value\fR ...?
.sp
\fB::http::formatQuery\fR \fIkey value\fR ?\fIkey value\fR ...?


.sp
\fB::http::reset\fR \fItoken\fR ?\fIwhy\fR?
.sp
\fB::http::wait \fItoken\fR
.sp
\fB::http::status \fItoken\fR
.sp
................................................................................
.sp
\fB::http::error \fItoken\fR
.sp
\fB::http::cleanup \fItoken\fR
.sp
\fB::http::register \fIproto port command\fR
.sp


\fB::http::unregister \fIproto\fR
.BE
.SH DESCRIPTION
.PP
The \fBhttp\fR package provides the client side of the HTTP/1.1
protocol, as defined in RFC 2616.
The package implements the GET, POST, and HEAD operations
of HTTP/1.1.  It allows configuration of a proxy host to get through
firewalls.  The package is compatible with the \fBSafesock\fR security
policy, so it can be used by untrusted applets to do URL fetching from
a restricted set of hosts. This package can be extended to support
additional HTTP transport protocols, such as HTTPS, by providing
a custom \fBsocket\fR command, via \fB::http::register\fR.
................................................................................
\fB\-accept\fR \fImimetypes\fR
.
The Accept header of the request.  The default is */*, which means that
all types of documents are accepted.  Otherwise you can supply a
comma-separated list of mime type patterns that you are
willing to receive.  For example,
.QW "image/gif, image/jpeg, text/*" .













.TP
\fB\-proxyhost\fR \fIhostname\fR
.
The name of the proxy host, if any.  If this value is the
empty string, the URL host is contacted directly.
.TP
\fB\-proxyport\fR \fInumber\fR
................................................................................
to determine if a proxy is required for a given host.  One argument, a
host name, is added to \fIcommand\fR when it is invoked.  If a proxy
is required, the callback should return a two-element list containing
the proxy server and proxy port.  Otherwise the filter should return
an empty list.  The default filter returns the values of the
\fB\-proxyhost\fR and \fB\-proxyport\fR settings if they are
non-empty.












.TP
\fB\-urlencoding\fR \fIencoding\fR
.
The \fIencoding\fR used for creating the x-url-encoded URLs with

\fB::http::formatQuery\fR.  The default is \fButf-8\fR, as specified by RFC
2718.  Prior to http 2.5 this was unspecified, and that behavior can be
returned by specifying the empty string (\fB{}\fR), although
\fIiso8859-1\fR is recommended to restore similar behavior but without the
\fB::http::formatQuery\fR throwing an error processing non-latin-1
characters.
.TP
\fB\-useragent\fR \fIstring\fR
.
The value of the User-Agent header in the HTTP request.  The default is
.QW "\fBTcl http client package 2.7\fR" .














.RE
.TP
\fB::http::geturl\fR \fIurl\fR ?\fIoptions\fR?
.
The \fB::http::geturl\fR command is the main procedure in the package.
The \fB\-query\fR option causes a POST operation and
the \fB\-validate\fR option causes a HEAD operation;
................................................................................
.CS
Pragma: no-cache
.CE
.RE
.TP
\fB\-keepalive\fR \fIboolean\fR
.
If true, attempt to keep the connection open for servicing
multiple requests.  Default is 0.
.TP
\fB\-method\fR \fItype\fR
.
Force the HTTP request method to \fItype\fR. \fB::http::geturl\fR will
auto-select GET, POST or HEAD based on other options, but this option
enables choices like PUT and DELETE for webdav support.
................................................................................
\fB::http::formatQuery\fR \fIkey value\fR ?\fIkey value\fR ...?
.
This procedure does x-url-encoding of query data.  It takes an even
number of arguments that are the keys and values of the query.  It
encodes the keys and values, and generates one string that has the
proper & and = separators.  The result is suitable for the
\fB\-query\fR value passed to \fB::http::geturl\fR.





.TP
\fB::http::reset\fR \fItoken\fR ?\fIwhy\fR?
.
This command resets the HTTP transaction identified by \fItoken\fR, if any.
This sets the \fBstate(status)\fR value to \fIwhy\fR, which defaults to
\fBreset\fR, and then calls the registered \fB\-command\fR callback.
.TP
................................................................................
package require tls

::http::register https 443 ::tls::socket

set token [::http::geturl https://my.secure.site/]
.CE
.RE











.TP
\fB::http::unregister\fR \fIproto\fR
.
This procedure unregisters a protocol handler that was previously
registered via \fB::http::register\fR, returning a two-item list of
the default port and handler command that was previously installed
(via \fB::http::register\fR) if there was such a handler, and an error if
................................................................................
Once the data associated with the URL is no longer needed, the state
array should be unset to free up storage.
The \fB::http::cleanup\fR procedure is provided for that purpose.
The following elements of
the array are supported:
.RS
.TP








\fBbody\fR
.
The contents of the URL.  This will be empty if the \fB\-channel\fR
option has been specified.  This value is returned by the \fB::http::data\fR command.
.TP
\fBcharset\fR
.
................................................................................
.
A copy of the \fBContent-Type\fR meta-data value.
.TP
\fBurl\fR
.
The requested URL.
.RE




































































































.SH EXAMPLE
.PP
This example creates a procedure to copy a URL to a file while printing a
progress meter, and prints the meta-data associated with the URL.
.PP
.CS
proc httpcopy { url file {chunk 4096} } {






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'\" Copyright (c) 1995-1997 Sun Microsystems, Inc.
'\" Copyright (c) 1998-2000 by Ajuba Solutions.
'\" Copyright (c) 2004 ActiveState Corporation.
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH "http" n 2.9 http "Tcl Bundled Packages"
.so man.macros
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
http \- Client-side implementation of the HTTP/1.1 protocol
.SH SYNOPSIS
\fBpackage require http ?2.8?\fR
.\" See Also -useragent option documentation in body!
.sp
\fB::http::config ?\fI\-option value\fR ...?
.sp
\fB::http::geturl \fIurl\fR ?\fI\-option value\fR ...?
.sp
\fB::http::formatQuery\fR \fIkey value\fR ?\fIkey value\fR ...?
.sp
\fB::http::quoteString\fR \fIvalue\fR
.sp
\fB::http::reset\fR \fItoken\fR ?\fIwhy\fR?
.sp
\fB::http::wait \fItoken\fR
.sp
\fB::http::status \fItoken\fR
.sp
................................................................................
.sp
\fB::http::error \fItoken\fR
.sp
\fB::http::cleanup \fItoken\fR
.sp
\fB::http::register \fIproto port command\fR
.sp
\fB::http::registerError \fIport\fR ?\fImessage\fR?
.sp
\fB::http::unregister \fIproto\fR
.BE
.SH DESCRIPTION
.PP
The \fBhttp\fR package provides the client side of the HTTP/1.1
protocol, as defined in RFC 7230 to RFC 7235, which supersede RFC 2616.
The package implements the GET, POST, and HEAD operations
of HTTP/1.1.  It allows configuration of a proxy host to get through
firewalls.  The package is compatible with the \fBSafesock\fR security
policy, so it can be used by untrusted applets to do URL fetching from
a restricted set of hosts. This package can be extended to support
additional HTTP transport protocols, such as HTTPS, by providing
a custom \fBsocket\fR command, via \fB::http::register\fR.
................................................................................
\fB\-accept\fR \fImimetypes\fR
.
The Accept header of the request.  The default is */*, which means that
all types of documents are accepted.  Otherwise you can supply a
comma-separated list of mime type patterns that you are
willing to receive.  For example,
.QW "image/gif, image/jpeg, text/*" .
.TP
\fB\-pipeline\fR \fIboolean\fR
.
Specifies whether HTTP/1.1 transactions on a persistent socket will be
pipelined.  See the \fBPERSISTENT SOCKETS\fR section for details. The default
is 1.
.TP
\fB\-postfresh\fR \fIboolean\fR
.
Specifies whether requests that use the \fBPOST\fR method will always use a
fresh socket, overriding the \fB-keepalive\fR option of
command \fBhttp::geturl\fR.  See the \fBPERSISTENT SOCKETS\fR section for details.
The default is 0.
.TP
\fB\-proxyhost\fR \fIhostname\fR
.
The name of the proxy host, if any.  If this value is the
empty string, the URL host is contacted directly.
.TP
\fB\-proxyport\fR \fInumber\fR
................................................................................
to determine if a proxy is required for a given host.  One argument, a
host name, is added to \fIcommand\fR when it is invoked.  If a proxy
is required, the callback should return a two-element list containing
the proxy server and proxy port.  Otherwise the filter should return
an empty list.  The default filter returns the values of the
\fB\-proxyhost\fR and \fB\-proxyport\fR settings if they are
non-empty.
.TP
\fB\-repost\fR \fIboolean\fR
.
Specifies what to do if a POST request over a persistent connection fails
because the server has half-closed the connection.  If boolean \fBtrue\fR, the
request
will be automatically retried; if boolean \fBfalse\fR it will not, and the
application
that uses \fBhttp::geturl\fR is expected to seek user confirmation before
retrying the POST.  The value \fBtrue\fR should be used only under certain
conditions. See the \fBPERSISTENT SOCKETS\fR section for details. The
default is 0.
.TP
\fB\-urlencoding\fR \fIencoding\fR
.
The \fIencoding\fR used for creating the x-url-encoded URLs with
\fB::http::formatQuery\fR and \fB::http::quoteString\fR.
The default is \fButf-8\fR, as specified by RFC
2718.  Prior to http 2.5 this was unspecified, and that behavior can be
returned by specifying the empty string (\fB{}\fR), although
\fIiso8859-1\fR is recommended to restore similar behavior but without the
\fB::http::formatQuery\fR or \fB::http::quoteString\fR
throwing an error processing non-latin-1 characters.
.TP
\fB\-useragent\fR \fIstring\fR
.
The value of the User-Agent header in the HTTP request.  In an unsafe
interpreter, the default value depends upon the operating system, and
the version numbers of \fBhttp\fR and \fBTcl\fR, and is (for example)
.QW "\fBMozilla/5.0 (Windows; U; Windows NT 10.0) http/2.8.12 Tcl/8.6.8\fR" .
A safe interpreter cannot determine its operating system, and so the default
in a safe interpreter is to use a Windows 10 value with the current version
numbers of \fBhttp\fR and \fBTcl\fR.
.TP
\fB\-zip\fR \fIboolean\fR
.
If the value is boolean \fBtrue\fR, then by default requests will send a header
.QW "\fBAccept-Encoding: gzip,deflate,compress\fR" .
If the value is boolean \fBfalse\fR, then by default this header will not be sent.
In either case the default can be overridden for an individual request by
supplying a custom \fBAccept-Encoding\fR header in the \fB-headers\fR option
of \fBhttp::geturl\fR. The default is 1.
.RE
.TP
\fB::http::geturl\fR \fIurl\fR ?\fIoptions\fR?
.
The \fB::http::geturl\fR command is the main procedure in the package.
The \fB\-query\fR option causes a POST operation and
the \fB\-validate\fR option causes a HEAD operation;
................................................................................
.CS
Pragma: no-cache
.CE
.RE
.TP
\fB\-keepalive\fR \fIboolean\fR
.
If boolean \fBtrue\fR, attempt to keep the connection open for servicing
multiple requests.  Default is 0.
.TP
\fB\-method\fR \fItype\fR
.
Force the HTTP request method to \fItype\fR. \fB::http::geturl\fR will
auto-select GET, POST or HEAD based on other options, but this option
enables choices like PUT and DELETE for webdav support.
................................................................................
\fB::http::formatQuery\fR \fIkey value\fR ?\fIkey value\fR ...?
.
This procedure does x-url-encoding of query data.  It takes an even
number of arguments that are the keys and values of the query.  It
encodes the keys and values, and generates one string that has the
proper & and = separators.  The result is suitable for the
\fB\-query\fR value passed to \fB::http::geturl\fR.
.TP
\fB::http::quoteString\fR \fIvalue\fR
.
This procedure does x-url-encoding of string.  It takes a single argument and
encodes it.
.TP
\fB::http::reset\fR \fItoken\fR ?\fIwhy\fR?
.
This command resets the HTTP transaction identified by \fItoken\fR, if any.
This sets the \fBstate(status)\fR value to \fIwhy\fR, which defaults to
\fBreset\fR, and then calls the registered \fB\-command\fR callback.
.TP
................................................................................
package require tls

::http::register https 443 ::tls::socket

set token [::http::geturl https://my.secure.site/]
.CE
.RE
.TP
\fB::http::registerError\fR \fIport\fR ?\fImessage\fR?
.
This procedure allows a registered protocol handler to deliver an error
message for use by \fBhttp\fR.  Calling this command does not raise an
error. The command is useful when a registered protocol detects an problem
(for example, an invalid TLS certificate) that will cause an error to
propagate to \fBhttp\fR.  The command allows \fBhttp\fR to provide a
precise error message rather than a general one.  The command returns the
value provided by the last call with argument \fImessage\fR, or the empty
string if no such call has been made.
.TP
\fB::http::unregister\fR \fIproto\fR
.
This procedure unregisters a protocol handler that was previously
registered via \fB::http::register\fR, returning a two-item list of
the default port and handler command that was previously installed
(via \fB::http::register\fR) if there was such a handler, and an error if
................................................................................
Once the data associated with the URL is no longer needed, the state
array should be unset to free up storage.
The \fB::http::cleanup\fR procedure is provided for that purpose.
The following elements of
the array are supported:
.RS
.TP
\fBbinary\fR
.
This is boolean \fBtrue\fR if (after decoding any compression specified
by the
.QW "Content-Encoding"
response header) the HTTP response is binary.  It is boolean \fBfalse\fR
if the HTTP response is text.
.TP
\fBbody\fR
.
The contents of the URL.  This will be empty if the \fB\-channel\fR
option has been specified.  This value is returned by the \fB::http::data\fR command.
.TP
\fBcharset\fR
.
................................................................................
.
A copy of the \fBContent-Type\fR meta-data value.
.TP
\fBurl\fR
.
The requested URL.
.RE
.SH "PERSISTENT CONNECTIONS"
.PP
.SS "BASICS"
.PP
See RFC 7230 Sec 6, which supersedes RFC 2616 Sec 8.1.
.PP
A persistent connection allows multiple HTTP/1.1 transactions to be
carried over the same TCP connection.  Pipelining allows a
client to make multiple requests over a persistent connection without
waiting for each response.  The server sends responses in the same order
that the requests were received.
.PP
If a POST request fails to complete, typically user confirmation is
needed before sending the request again.  The user may wish to verify
whether the server was modified by the failed POST request, before
sending the same request again.
.PP
A HTTP request will use a persistent socket if the call to
\fBhttp::geturl\fR has the option \fB-keepalive true\fR. It will use
pipelining where permitted if the \fBhttp::config\fR option
\fB-pipeline\fR is boolean \fBtrue\fR (its default value).
.PP
The http package maintains no more than one persistent connection to each
server (i.e. each value of
.QW "domain:port" ).
If \fBhttp::geturl\fR is called to make a request over a persistent
connection while the connection is busy with another request, the new
request will be held in a queue until the connection is free.
.PP
The http package does not support HTTP/1.0 persistent connections
controlled by the \fBKeep-Alive\fR header.
.SS "SPECIAL CASES"
.PP
This subsection discusses issues related to closure of the
persistent connection by the server, automatic retry of failed requests,
the special treatment necessary for POST requests, and the options for
dealing with these cases.
.PP
In accordance with RFC 7230, \fBhttp::geturl\fR does not pipeline
requests that use the POST method.  If a POST uses a persistent
connection and is not the first request on that connection,
\fBhttp::geturl\fR waits until it has received the response for the previous
request; or (if \fBhttp::config\fR option \fB-postfresh\fR is boolean \fBtrue\fR) it
uses a new connection for each POST.
.PP
If the server is processing a number of pipelined requests, and sends a
response header
.QW "\fBConnection: close\fR"
with one of the responses (other than the last), then subsequent responses
are unfulfilled. \fBhttp::geturl\fR will send the unfulfilled requests again
over a new connection.
.PP
A difficulty arises when a HTTP client sends a request over a persistent
connection that has been idle for a while.  The HTTP server may
half-close an apparently idle connection while the client is sending a
request, but before the request arrives at the server: in this case (an
.QW "asynchronous close event" )
the request will fail.  The difficulty arises because the client cannot
be certain whether the POST modified the state of the server.  For HEAD or
GET requests, \fBhttp::geturl\fR opens another connection and retransmits
the failed request. However, if the request was a POST, RFC 7230 forbids
automatic retry by default, suggesting either user confirmation, or
confirmation by user-agent software that has semantic understanding of
the application.  The \fBhttp::config\fR option \fB-repost\fR allows for
either possibility.
.PP
Asynchronous close events can occur only in a short interval of time.  The
\fBhttp\fR package monitors each persistent connection for closure by the
server.  Upon detection, the connection is also closed at the client end,
and subsequent requests will use a fresh connection.
.PP
If the \fBhttp::geturl\fR command is called with option \fB-keepalive true\fR,
then it will both try to use an existing persistent connection
(if one is available), and it will send the server a
.QW "\fBConnection: keep-alive\fR"
request header asking to keep the connection open for future requests.
.PP
The \fBhttp::config\fR options \fB-pipeline\fR, \fB-postfresh\fR, and
\fB-repost\fR relate to persistent connections.
.PP
Option \fB-pipeline\fR, if boolean \fBtrue\fR, will pipeline GET and HEAD requests
made
over a persistent connection.  POST requests will not be pipelined - if the
POST is not the first transaction on the connection, its request will not
be sent until the previous response has finished.  GET and HEAD requests
made after a POST will not be sent until the POST response has been
delivered, and will not be sent if the POST fails.
.PP
Option \fB-postfresh\fR, if boolean \fBtrue\fR, will override the \fBhttp::geturl\fR option
\fB-keepalive\fR, and always open a fresh connection for a POST request.
.PP
Option \fB-repost\fR, if \fBtrue\fR, permits automatic retry of a POST request
that fails because it uses a persistent connection that the server has
half-closed (an
.QW "asynchronous close event" ).
Subsequent GET and HEAD requests in a failed pipeline will also be retried.
\fIThe -repost option should be used only if the application understands
that the retry is appropriate\fR - specifically, the application must know
that if the failed POST successfully modified the state of the server, a repeat POST
would have no adverse effect.
.SH EXAMPLE
.PP
This example creates a procedure to copy a URL to a file while printing a
progress meter, and prints the meta-data associated with the URL.
.PP
.CS
proc httpcopy { url file {chunk 4096} } {

Changes to doc/lreplace.n.

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.SH NAME
lreplace \- Replace elements in a list with new elements
.SH SYNOPSIS
\fBlreplace \fIlist first last \fR?\fIelement element ...\fR?
.BE
.SH DESCRIPTION
.PP
\fBlreplace\fR returns a new list formed by replacing one or more elements of
\fIlist\fR with the \fIelement\fR arguments.
\fIfirst\fR and \fIlast\fR are index values specifying the first and
last elements of the range to replace.
The index values \fIfirst\fR and \fIlast\fR are interpreted
the same as index values for the command \fBstring index\fR,
supporting simple index arithmetic and indices relative to the
end of the list.
0 refers to the first element of the
list, and \fBend\fR refers to the last element of the list.
If \fIlist\fR is empty, then \fIfirst\fR and \fIlast\fR are ignored.
.PP

If \fIfirst\fR is less than zero, it is considered to refer to before the
first element of the list.  For non-empty lists, the element indicated
by \fIfirst\fR must exist or \fIfirst\fR must indicate before the
start of the list.




.PP
If \fIlast\fR is less than \fIfirst\fR, then any specified elements
will be inserted into the list before the point specified by \fIfirst\fR
with no elements being deleted.
.PP
The \fIelement\fR arguments specify zero or more new arguments to
be added to the list in place of those that were deleted.
Each \fIelement\fR argument will become a separate element of
the list.  If no \fIelement\fR arguments are specified, then the elements
between \fIfirst\fR and \fIlast\fR are simply deleted.  If \fIlist\fR
is empty, any \fIelement\fR arguments are added to the end of the list.
.SH EXAMPLES
.PP
Replacing an element of a list with another:
.PP
.CS
% \fBlreplace\fR {a b c d e} 1 1 foo
a foo c d e
................................................................................
.CS
proc lremove {listVariable value} {
    upvar 1 $listVariable var
    set idx [lsearch -exact $var $value]
    set var [\fBlreplace\fR $var $idx $idx]
}
.CE













.SH "SEE ALSO"
list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
lset(n), lrange(n), lsort(n),
string(n)
.SH KEYWORDS
element, list, replace










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.SH NAME
lreplace \- Replace elements in a list with new elements
.SH SYNOPSIS
\fBlreplace \fIlist first last \fR?\fIelement element ...\fR?
.BE
.SH DESCRIPTION
.PP
\fBlreplace\fR returns a new list formed by replacing zero or more elements of
\fIlist\fR with the \fIelement\fR arguments.
\fIfirst\fR and \fIlast\fR are index values specifying the first and
last elements of the range to replace.
The index values \fIfirst\fR and \fIlast\fR are interpreted
the same as index values for the command \fBstring index\fR,
supporting simple index arithmetic and indices relative to the
end of the list.
0 refers to the first element of the
list, and \fBend\fR refers to the last element of the list.

.PP
If either \fIfirst\fR or \fIlast\fR is less than zero, it is considered
to refer to before the first element of the list. This allows \fBlreplace\fR
to prepend elements to \fIlist\fR.
.VS TIP505
If either \fIfirst\fR or \fIlast\fR indicates a position greater than the
index of the last element of the list, it is treated as if it is an
index one greater than the last element. This allows \fBlreplace\fR to
append elements to \fIlist\fR.
.VE TIP505
.PP
If \fIlast\fR is less than \fIfirst\fR, then any specified elements
will be inserted into the list before the element specified by \fIfirst\fR
with no elements being deleted.
.PP
The \fIelement\fR arguments specify zero or more new elements to
be added to the list in place of those that were deleted.
Each \fIelement\fR argument will become a separate element of
the list.  If no \fIelement\fR arguments are specified, then the elements
between \fIfirst\fR and \fIlast\fR are simply deleted.

.SH EXAMPLES
.PP
Replacing an element of a list with another:
.PP
.CS
% \fBlreplace\fR {a b c d e} 1 1 foo
a foo c d e
................................................................................
.CS
proc lremove {listVariable value} {
    upvar 1 $listVariable var
    set idx [lsearch -exact $var $value]
    set var [\fBlreplace\fR $var $idx $idx]
}
.CE
.PP
.VS TIP505
Appending elements to the list; note that \fBend+2\fR will initially
be treated as if it is \fB6\fR here, but both that and \fB12345\fR are greater
than the index of the final item so they behave identically:
.PP
.CS
% set var {a b c d e}
a b c d e
% set var [\fBlreplace\fR $var 12345 end+2 f g h i]
a b c d e f g h i
.CE
.VE TIP505
.SH "SEE ALSO"
list(n), lappend(n), lindex(n), linsert(n), llength(n), lsearch(n),
lset(n), lrange(n), lsort(n),
string(n)
.SH KEYWORDS
element, list, replace
.\" Local variables:
.\" mode: nroff
.\" fill-column: 78
.\" End:

Changes to doc/string.n.

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Any of the forms allowed to \fBTcl_GetBoolean\fR.
.IP \fBcontrol\fR 12
Any Unicode control character.
.IP \fBdigit\fR 12
Any Unicode digit character.  Note that this includes characters
outside of the [0\-9] range.
.IP \fBdouble\fR 12
Any of the valid forms for a double in Tcl, with optional surrounding
whitespace.  In case of under/overflow in the value, 0 is returned and
the \fIvarname\fR will contain \-1.
.IP \fBentier\fR 12
.VS 8.6
Any of the valid string formats for an integer value of arbitrary size
in Tcl, with optional surrounding whitespace. The formats accepted are
exactly those accepted by the C routine \fBTcl_GetBignumFromObj\fR.
.VE
.IP \fBfalse\fR 12
Any of the forms allowed to \fBTcl_GetBoolean\fR where the value is
false.
.IP \fBgraph\fR 12
Any Unicode printing character, except space.
.IP \fBinteger\fR 12
Any of the valid string formats for a 32-bit integer value in Tcl,
with optional surrounding whitespace.  In case of under/overflow in
the value, 0 is returned and the \fIvarname\fR will contain \-1.
.IP \fBlist\fR 12
Any proper list structure, with optional surrounding whitespace. In
case of improper list structure, 0 is returned and the \fIvarname\fR
will contain the index of the
.QW element
where the list parsing fails, or \-1 if this cannot be determined.
................................................................................
.IP \fBtrue\fR 12
Any of the forms allowed to \fBTcl_GetBoolean\fR where the value is
true.
.IP \fBupper\fR 12
Any upper case alphabet character in the Unicode character set.
.IP \fBwideinteger\fR 12
Any of the valid forms for a wide integer in Tcl, with optional
surrounding whitespace.  In case of under/overflow in the value, 0 is
returned and the \fIvarname\fR will contain \-1.
.IP \fBwordchar\fR 12
Any Unicode word character.  That is any alphanumeric character, and
any Unicode connector punctuation characters (e.g. underscore).
.IP \fBxdigit\fR 12
Any hexadecimal digit character ([0\-9A\-Fa\-f]).
.PP






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Any of the forms allowed to \fBTcl_GetBoolean\fR.
.IP \fBcontrol\fR 12
Any Unicode control character.
.IP \fBdigit\fR 12
Any Unicode digit character.  Note that this includes characters
outside of the [0\-9] range.
.IP \fBdouble\fR 12
Any of the forms allowed to \fBTcl_GetDoubleFromObj\fR.


.IP \fBentier\fR 12
.VS 8.6
Any of the valid string formats for an integer value of arbitrary size
in Tcl, with optional surrounding whitespace. The formats accepted are
exactly those accepted by the C routine \fBTcl_GetBignumFromObj\fR.
.VE
.IP \fBfalse\fR 12
Any of the forms allowed to \fBTcl_GetBoolean\fR where the value is
false.
.IP \fBgraph\fR 12
Any Unicode printing character, except space.
.IP \fBinteger\fR 12
Any of the valid string formats for a 32-bit integer value in Tcl,
with optional surrounding whitespace.  In case of overflow in
the value, 0 is returned and the \fIvarname\fR will contain \-1.
.IP \fBlist\fR 12
Any proper list structure, with optional surrounding whitespace. In
case of improper list structure, 0 is returned and the \fIvarname\fR
will contain the index of the
.QW element
where the list parsing fails, or \-1 if this cannot be determined.
................................................................................
.IP \fBtrue\fR 12
Any of the forms allowed to \fBTcl_GetBoolean\fR where the value is
true.
.IP \fBupper\fR 12
Any upper case alphabet character in the Unicode character set.
.IP \fBwideinteger\fR 12
Any of the valid forms for a wide integer in Tcl, with optional
surrounding whitespace.  In case of overflow in the value, 0 is
returned and the \fIvarname\fR will contain \-1.
.IP \fBwordchar\fR 12
Any Unicode word character.  That is any alphanumeric character, and
any Unicode connector punctuation characters (e.g. underscore).
.IP \fBxdigit\fR 12
Any hexadecimal digit character ([0\-9A\-Fa\-f]).
.PP

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'\" Copyright (c) 1998-1999 Scriptics Corporation
'\" Copyright (c) 2000 Ajuba Solutions
'\" Contributions from Don Porter, NIST, 2002. (not subject to US copyright)
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH "tcltest" n 2.3 tcltest "Tcl Bundled Packages"
.so man.macros
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
tcltest \- Test harness support code and utilities
.SH SYNOPSIS
.nf
\fBpackage require tcltest\fR ?\fB2.3\fR?

\fBtcltest::test \fIname description\fR ?\fI\-option value ...\fR?
\fBtcltest::test \fIname description\fR ?\fIconstraints\fR? \fIbody result\fR

\fBtcltest::loadTestedCommands\fR
\fBtcltest::makeDirectory \fIname\fR ?\fIdirectory\fR?
\fBtcltest::removeDirectory \fIname\fR ?\fIdirectory\fR?
................................................................................
        ?\fB\-setup \fIsetupScript\fR?
        ?\fB\-body \fItestScript\fR?
        ?\fB\-cleanup \fIcleanupScript\fR?
        ?\fB\-result \fIexpectedAnswer\fR?
        ?\fB\-output \fIexpectedOutput\fR?
        ?\fB\-errorOutput \fIexpectedError\fR?
        ?\fB\-returnCodes \fIcodeList\fR?

        ?\fB\-match \fImode\fR?
.CE
.PP
The \fIname\fR may be any string.  It is conventional to choose
a \fIname\fR according to the pattern:
.PP
.CS
................................................................................
a list of return codes that may be accepted from evaluation of the
\fB\-body\fR script.  If evaluation of the \fB\-body\fR script returns
a code not in the \fIexpectedCodeList\fR, the test fails.  All
return codes known to \fBreturn\fR, in both numeric and symbolic
form, including extended return codes, are acceptable elements in
the \fIexpectedCodeList\fR.  Default value is
.QW "\fBok return\fR" .









.PP
To pass, a test must successfully evaluate its \fB\-setup\fR, \fB\-body\fR,
and \fB\-cleanup\fR scripts.  The return code of the \fB\-body\fR script and
its result must match expected values, and if specified, output and error
data from the test must match expected \fB\-output\fR and \fB\-errorOutput\fR
values.  If any of these conditions are not met, then the test fails.
Note that all scripts are evaluated in the context of the caller






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'\" Copyright (c) 1998-1999 Scriptics Corporation
'\" Copyright (c) 2000 Ajuba Solutions
'\" Contributions from Don Porter, NIST, 2002. (not subject to US copyright)
'\"
'\" See the file "license.terms" for information on usage and redistribution
'\" of this file, and for a DISCLAIMER OF ALL WARRANTIES.
'\"
.TH "tcltest" n 2.5 tcltest "Tcl Bundled Packages"
.so man.macros
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
tcltest \- Test harness support code and utilities
.SH SYNOPSIS
.nf
\fBpackage require tcltest\fR ?\fB2.5\fR?

\fBtcltest::test \fIname description\fR ?\fI\-option value ...\fR?
\fBtcltest::test \fIname description\fR ?\fIconstraints\fR? \fIbody result\fR

\fBtcltest::loadTestedCommands\fR
\fBtcltest::makeDirectory \fIname\fR ?\fIdirectory\fR?
\fBtcltest::removeDirectory \fIname\fR ?\fIdirectory\fR?
................................................................................
        ?\fB\-setup \fIsetupScript\fR?
        ?\fB\-body \fItestScript\fR?
        ?\fB\-cleanup \fIcleanupScript\fR?
        ?\fB\-result \fIexpectedAnswer\fR?
        ?\fB\-output \fIexpectedOutput\fR?
        ?\fB\-errorOutput \fIexpectedError\fR?
        ?\fB\-returnCodes \fIcodeList\fR?
        ?\fB\-errorCode \fIexpectedErrorCode\fR?
        ?\fB\-match \fImode\fR?
.CE
.PP
The \fIname\fR may be any string.  It is conventional to choose
a \fIname\fR according to the pattern:
.PP
.CS
................................................................................
a list of return codes that may be accepted from evaluation of the
\fB\-body\fR script.  If evaluation of the \fB\-body\fR script returns
a code not in the \fIexpectedCodeList\fR, the test fails.  All
return codes known to \fBreturn\fR, in both numeric and symbolic
form, including extended return codes, are acceptable elements in
the \fIexpectedCodeList\fR.  Default value is
.QW "\fBok return\fR" .
.TP
\fB\-errorCode \fIexpectedErrorCode\fR
.
The optional \fB\-errorCode\fR attribute supplies \fIexpectedErrorCode\fR,
a glob pattern that should match the error code reported from evaluation of the
\fB\-body\fR script.  If evaluation of the \fB\-body\fR script returns
a code not matching \fIexpectedErrorCode\fR, the test fails.  Default value is
.QW "\fB*\fR" .
If \fB\-returnCodes\fR does not include \fBerror\fR it is set to \fBerror\fR.
.PP
To pass, a test must successfully evaluate its \fB\-setup\fR, \fB\-body\fR,
and \fB\-cleanup\fR scripts.  The return code of the \fB\-body\fR script and
its result must match expected values, and if specified, output and error
data from the test must match expected \fB\-output\fR and \fB\-errorOutput\fR
values.  If any of these conditions are not met, then the test fails.
Note that all scripts are evaluated in the context of the caller

Changes to doc/timerate.n.

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.TH timerate n "" Tcl "Tcl Built-In Commands"
.so man.macros
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
timerate \- Time-related execution resp. performance measurement of a script
.SH SYNOPSIS
\fBtimerate \fIscript\fR \fI?time?\fR
.sp
\fBtimerate \fI?-direct?\fR \fI?-overhead double?\fR \fIscript\fR \fI?time?\fR
.sp
\fBtimerate \fI?-calibrate?\fR \fI?-direct?\fR \fIscript\fR \fI?time?\fR
.BE
.SH DESCRIPTION
.PP
The first and second form will evaluate \fIscript\fR until the interval
\fItime\fR given in milliseconds elapses, or for 1000 milliseconds (1 second)
if \fItime\fR is not specified. 





.sp
It will then return a canonical tcl-list of the form
.PP
.CS
\f0.095977 ยตs/# 52095836 # 10419167 #/sec 5000.000 nett-ms\fR
.CE
.PP
which indicates:
.IP \(bu
the average amount of time required per iteration, in microseconds (lindex $result 0)
.IP \(bu
the count how many times it was executed (lindex $result 2)
.IP \(bu
the estimated rate per second (lindex $result 4)
.IP \(bu
the estimated real execution time without measurement overhead (lindex $result 6)
.PP
Time is measured in elapsed time using heighest timer resolution as possible, not CPU time.

This command may be used to provide information as to how well the script or a tcl-command 
is performing and can help determine bottlenecks and fine-tune application performance.
.PP


\fI-calibrate\fR
.
To measure very fast scripts as exact as posible the calibration process
may be required.

This parameter used to calibrate \fBtimerate\fR calculating the estimated overhead 
of given \fIscript\fR as default overhead for further execution of \fBtimerate\fR.
It can take up to 10 seconds if parameter \fItime\fR is not specified.
.PP


\fI-overhead double\fR
.
This parameter used to supply the measurement overhead of single iteration 
(in microseconds) that should be ignored during whole evaluation process.
.PP


\fI-direct\fR
.
Causes direct execution per iteration (not compiled variant of evaluation used).




.PP
In opposition to \fBtime\fR the execution limited here by fixed time instead of 
repetition count.


Additionally the compiled variant of the script will be used during whole evaluation 
(as if it were part of a compiled \fBproc\fR), if parameter \fI-direct\fR is not specified.


Therefore it provides more precise results and prevents very long execution time 
by slow scripts resp. scripts with unknown speed.


.SH EXAMPLE
Estimate how fast it takes for a simple Tcl \fBfor\fR loop (including
operations on variable \fIi\fR) to count to a ten:
.PP
.CS
# calibrate:
timerate -calibrate {}
# measure:
timerate { for {set i 0} {$i<10} {incr i} {} } 5000
.CE
.PP
Estimate how fast it takes for a simple Tcl \fBfor\fR loop only (ignoring the 
overhead for operations on variable \fIi\fR) to count to a ten:

.PP
.CS
# calibrate for overhead of variable operations:
set i 0; timerate -calibrate {expr {$i<10}; incr i} 1000
# measure:
timerate { for {set i 0} {$i<10} {incr i} {} } 5000
.CE
.PP
Estimate the rate of calculating the hour using \fBclock format\fR only, ignoring 
overhead of the rest, without measurement how fast it takes for a whole script:

.PP
.CS
# calibrate:
timerate -calibrate {}
# estimate overhead:
set tm 0
set ovh [lindex [timerate { incr tm [expr {24*60*60}] }] 0]






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.TH timerate n "" Tcl "Tcl Built-In Commands"
.so man.macros
.BS
'\" Note:  do not modify the .SH NAME line immediately below!
.SH NAME
timerate \- Time-related execution resp. performance measurement of a script
.SH SYNOPSIS
\fBtimerate \fIscript\fR \fI?time ?max-count??\fR
.sp
\fBtimerate \fI?-direct?\fR \fI?-overhead double?\fR \fIscript\fR \fI?time ?max-count??\fR
.sp
\fBtimerate \fI?-calibrate?\fR \fI?-direct?\fR \fIscript\fR \fI?time ?max-count??\fR
.BE
.SH DESCRIPTION
.PP
The first and second form will evaluate \fIscript\fR until the interval
\fItime\fR given in milliseconds elapses, or for 1000 milliseconds (1 second)
if \fItime\fR is not specified.
.sp
The parameter \fImax-count\fR could additionally impose a further restriction
by the maximal number of iterations to evaluate the script.
If \fImax-count\fR is specified, the evalution will stop either this count of
iterations is reached or the time is exceeded.
.sp
It will then return a canonical tcl-list of the form
.PP
.CS
\fB0.095977 \(mcs/# 52095836 # 10419167 #/sec 5000.000 nett-ms\fR
.CE
.PP
which indicates:
.IP \(bu
the average amount of time required per iteration, in microseconds ([\fBlindex\fR $result 0])
.IP \(bu
the count how many times it was executed ([\fBlindex\fR $result 2])
.IP \(bu
the estimated rate per second ([\fBlindex\fR $result 4])
.IP \(bu
the estimated real execution time without measurement overhead ([\fBlindex\fR $result 6])
.PP
Time is measured in elapsed time using the finest timer resolution as possible,
not CPU time.
This command may be used to provide information as to how well the script or a
tcl-command is performing and can help determine bottlenecks and fine-tune

application performance.
.TP
\fI-calibrate\fR
.
To measure very fast scripts as exact as posible the calibration process
may be required.

The \fI-calibrate\fR option is used to calibrate timerate, calculating the
estimated overhead of the given script as the default overhead for future 
invocations of the \fBtimerate\fR command. If the \fItime\fR parameter is not 

specified, the calibrate procedure runs for up to 10 seconds.
.TP
\fI-overhead double\fR
.

The \fI-overhead\fR parameter supplies an estimate (in microseconds) of the
measurement overhead of each iteration of the tested script. This quantity
will be subtracted from the measured time prior to reporting results.
.TP
\fI-direct\fR
.

The \fI-direct\fR option causes direct execution of the supplied script,
without compilation, in a manner similar to the \fBtime\fR command. It can be
used to measure the cost of \fBTcl_EvalObjEx\fR, of the invocation of canonical
lists, and of the uncompiled versions of bytecoded commands.
.PP


As opposed to the \fBtime\fR commmand, which runs the tested script for a fixed
number of iterations, the timerate command runs it for a fixed time.
Additionally, the compiled variant of the script will be used during the entire

measurement, as if the script were part of a compiled procedure, if the \fI-direct\fR
option is not specified. The fixed time period and possibility of compilation allow
for more precise results and prevent very long execution times by slow scripts, making

it practical for measuring scripts with highly uncertain execution times.

.SH EXAMPLE
Estimate how fast it takes for a simple Tcl \fBfor\fR loop (including
operations on variable \fIi\fR) to count to a ten:
.PP
.CS
# calibrate:
timerate -calibrate {}
# measure:
timerate { for {set i 0} {$i<10} {incr i} {} } 5000
.CE
.PP
Estimate how fast it takes for a simple Tcl \fBfor\fR loop, ignoring the
overhead for to perform ten iterations, ignoring the overhead of the management
of the variable that controls the loop:
.PP
.CS
# calibrate for overhead of variable operations:
set i 0; timerate -calibrate {expr {$i<10}; incr i} 1000
# measure:
timerate { for {set i 0} {$i<10} {incr i} {} } 5000
.CE
.PP
Estimate the speed of calculating the hour of the day using \fBclock format\fR only,
ignoring overhead of the portion of the script that prepares the time for it to
calculate:
.PP
.CS
# calibrate:
timerate -calibrate {}
# estimate overhead:
set tm 0
set ovh [lindex [timerate { incr tm [expr {24*60*60}] }] 0]

Changes to generic/regc_locale.c.

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 * Unicode: alphabetic characters.
 */

static const crange alphaRangeTable[] = {
    {0x41, 0x5a}, {0x61, 0x7a}, {0xc0, 0xd6}, {0xd8, 0xf6},
    {0xf8, 0x2c1}, {0x2c6, 0x2d1}, {0x2e0, 0x2e4}, {0x370, 0x374},
    {0x37a, 0x37d}, {0x388, 0x38a}, {0x38e, 0x3a1}, {0x3a3, 0x3f5},
    {0x3f7, 0x481}, {0x48a, 0x52f}, {0x531, 0x556}, {0x561, 0x587},
    {0x5d0, 0x5ea}, {0x5f0, 0x5f2}, {0x620, 0x64a}, {0x671, 0x6d3},
    {0x6fa, 0x6fc}, {0x712, 0x72f}, {0x74d, 0x7a5}, {0x7ca, 0x7ea},
    {0x800, 0x815}, {0x840, 0x858}, {0x860, 0x86a}, {0x8a0, 0x8b4},
    {0x8b6, 0x8bd}, {0x904, 0x939}, {0x958, 0x961}, {0x971, 0x980},
    {0x985, 0x98c}, {0x993, 0x9a8}, {0x9aa, 0x9b0}, {0x9b6, 0x9b9},
    {0x9df, 0x9e1}, {0xa05, 0xa0a}, {0xa13, 0xa28}, {0xa2a, 0xa30},
    {0xa59, 0xa5c}, {0xa72, 0xa74}, {0xa85, 0xa8d}, {0xa8f, 0xa91},
    {0xa93, 0xaa8}, {0xaaa, 0xab0}, {0xab5, 0xab9}, {0xb05, 0xb0c},
................................................................................
    {0xb13, 0xb28}, {0xb2a, 0xb30}, {0xb35, 0xb39}, {0xb5f, 0xb61},
    {0xb85, 0xb8a}, {0xb8e, 0xb90}, {0xb92, 0xb95}, {0xba8, 0xbaa},
    {0xbae, 0xbb9}, {0xc05, 0xc0c}, {0xc0e, 0xc10}, {0xc12, 0xc28},
    {0xc2a, 0xc39}, {0xc58, 0xc5a}, {0xc85, 0xc8c}, {0xc8e, 0xc90},
    {0xc92, 0xca8}, {0xcaa, 0xcb3}, {0xcb5, 0xcb9}, {0xd05, 0xd0c},
    {0xd0e, 0xd10}, {0xd12, 0xd3a}, {0xd54, 0xd56}, {0xd5f, 0xd61},
    {0xd7a, 0xd7f}, {0xd85, 0xd96}, {0xd9a, 0xdb1}, {0xdb3, 0xdbb},
    {0xdc0, 0xdc6}, {0xe01, 0xe30}, {0xe40, 0xe46}, {0xe94, 0xe97},
    {0xe99, 0xe9f}, {0xea1, 0xea3}, {0xead, 0xeb0}, {0xec0, 0xec4},
    {0xedc, 0xedf}, {0xf40, 0xf47}, {0xf49, 0xf6c}, {0xf88, 0xf8c},
    {0x1000, 0x102a}, {0x1050, 0x1055}, {0x105a, 0x105d}, {0x106e, 0x1070},
    {0x1075, 0x1081}, {0x10a0, 0x10c5}, {0x10d0, 0x10fa}, {0x10fc, 0x1248},
    {0x124a, 0x124d}, {0x1250, 0x1256}, {0x125a, 0x125d}, {0x1260, 0x1288},
    {0x128a, 0x128d}, {0x1290, 0x12b0}, {0x12b2, 0x12b5}, {0x12b8, 0x12be},
    {0x12c2, 0x12c5}, {0x12c8, 0x12d6}, {0x12d8, 0x1310}, {0x1312, 0x1315},
    {0x1318, 0x135a}, {0x1380, 0x138f}, {0x13a0, 0x13f5}, {0x13f8, 0x13fd},
    {0x1401, 0x166c}, {0x166f, 0x167f}, {0x1681, 0x169a}, {0x16a0, 0x16ea},
    {0x16f1, 0x16f8}, {0x1700, 0x170c}, {0x170e, 0x1711}, {0x1720, 0x1731},
    {0x1740, 0x1751}, {0x1760, 0x176c}, {0x176e, 0x1770}, {0x1780, 0x17b3},
    {0x1820, 0x1877}, {0x1880, 0x1884}, {0x1887, 0x18a8}, {0x18b0, 0x18f5},
    {0x1900, 0x191e}, {0x1950, 0x196d}, {0x1970, 0x1974}, {0x1980, 0x19ab},
    {0x19b0, 0x19c9}, {0x1a00, 0x1a16}, {0x1a20, 0x1a54}, {0x1b05, 0x1b33},
    {0x1b45, 0x1b4b}, {0x1b83, 0x1ba0}, {0x1bba, 0x1be5}, {0x1c00, 0x1c23},
    {0x1c4d, 0x1c4f}, {0x1c5a, 0x1c7d}, {0x1c80, 0x1c88}, {0x1ce9, 0x1cec},
    {0x1cee, 0x1cf1}, {0x1d00, 0x1dbf}, {0x1e00, 0x1f15}, {0x1f18, 0x1f1d},
    {0x1f20, 0x1f45}, {0x1f48, 0x1f4d}, {0x1f50, 0x1f57}, {0x1f5f, 0x1f7d},
    {0x1f80, 0x1fb4}, {0x1fb6, 0x1fbc}, {0x1fc2, 0x1fc4}, {0x1fc6, 0x1fcc},
    {0x1fd0, 0x1fd3}, {0x1fd6, 0x1fdb}, {0x1fe0, 0x1fec}, {0x1ff2, 0x1ff4},
    {0x1ff6, 0x1ffc}, {0x2090, 0x209c}, {0x210a, 0x2113}, {0x2119, 0x211d},
    {0x212a, 0x212d}, {0x212f, 0x2139}, {0x213c, 0x213f}, {0x2145, 0x2149},
    {0x2c00, 0x2c2e}, {0x2c30, 0x2c5e}, {0x2c60, 0x2ce4}, {0x2ceb, 0x2cee},
    {0x2d00, 0x2d25}, {0x2d30, 0x2d67}, {0x2d80, 0x2d96}, {0x2da0, 0x2da6},
    {0x2da8, 0x2dae}, {0x2db0, 0x2db6}, {0x2db8, 0x2dbe}, {0x2dc0, 0x2dc6},
    {0x2dc8, 0x2dce}, {0x2dd0, 0x2dd6}, {0x2dd8, 0x2dde}, {0x3031, 0x3035},
    {0x3041, 0x3096}, {0x309d, 0x309f}, {0x30a1, 0x30fa}, {0x30fc, 0x30ff},
    {0x3105, 0x312e}, {0x3131, 0x318e}, {0x31a0, 0x31ba}, {0x31f0, 0x31ff},
    {0x3400, 0x4db5}, {0x4e00, 0x9fea}, {0xa000, 0xa48c}, {0xa4d0, 0xa4fd},
    {0xa500, 0xa60c}, {0xa610, 0xa61f}, {0xa640, 0xa66e}, {0xa67f, 0xa69d},
    {0xa6a0, 0xa6e5}, {0xa717, 0xa71f}, {0xa722, 0xa788}, {0xa78b, 0xa7ae},
    {0xa7b0, 0xa7b7}, {0xa7f7, 0xa801}, {0xa803, 0xa805}, {0xa807, 0xa80a},
    {0xa80c, 0xa822}, {0xa840, 0xa873}, {0xa882, 0xa8b3}, {0xa8f2, 0xa8f7},
    {0xa90a, 0xa925}, {0xa930, 0xa946}, {0xa960, 0xa97c}, {0xa984, 0xa9b2},
    {0xa9e0, 0xa9e4}, {0xa9e6, 0xa9ef}, {0xa9fa, 0xa9fe}, {0xaa00, 0xaa28},
    {0xaa40, 0xaa42}, {0xaa44, 0xaa4b}, {0xaa60, 0xaa76}, {0xaa7e, 0xaaaf},
    {0xaab9, 0xaabd}, {0xaadb, 0xaadd}, {0xaae0, 0xaaea}, {0xaaf2, 0xaaf4},
    {0xab01, 0xab06}, {0xab09, 0xab0e}, {0xab11, 0xab16}, {0xab20, 0xab26},
    {0xab28, 0xab2e}, {0xab30, 0xab5a}, {0xab5c, 0xab65}, {0xab70, 0xabe2},
    {0xac00, 0xd7a3}, {0xd7b0, 0xd7c6}, {0xd7cb, 0xd7fb}, {0xdc00, 0xdc3e},
    {0xdc40, 0xdc7e}, {0xdc80, 0xdcbe}, {0xdcc0, 0xdcfe}, {0xdd00, 0xdd3e},
    {0xdd40, 0xdd7e}, {0xdd80, 0xddbe}, {0xddc0, 0xddfe}, {0xde00, 0xde3e},
    {0xde40, 0xde7e}, {0xde80, 0xdebe}, {0xdec0, 0xdefe}, {0xdf00, 0xdf3e},
    {0xdf40, 0xdf7e}, {0xdf80, 0xdfbe}, {0xdfc0, 0xdffe}, {0xf900, 0xfa6d},
    {0xfa70, 0xfad9}, {0xfb00, 0xfb06}, {0xfb13, 0xfb17}, {0xfb1f, 0xfb28},
    {0xfb2a, 0xfb36}, {0xfb38, 0xfb3c}, {0xfb46, 0xfbb1}, {0xfbd3, 0xfd3d},
    {0xfd50, 0xfd8f}, {0xfd92, 0xfdc7}, {0xfdf0, 0xfdfb}, {0xfe70, 0xfe74},
    {0xfe76, 0xfefc}, {0xff21, 0xff3a}, {0xff41, 0xff5a}, {0xff66, 0xffbe},
    {0xffc2, 0xffc7}, {0xffca, 0xffcf}, {0xffd2, 0xffd7}, {0xffda, 0xffdc}
#if TCL_UTF_MAX > 4


    ,{0x10000, 0x1000b}, {0x1000d, 0x10026}, {0x10028, 0x1003a}, {0x1003f, 0x1004d},
    {0x10050, 0x1005d}, {0x10080, 0x100fa}, {0x10280, 0x1029c}, {0x102a0, 0x102d0},
    {0x10300, 0x1031f}, {0x1032d, 0x10340}, {0x10342, 0x10349}, {0x10350, 0x10375},
    {0x10380, 0x1039d}, {0x103a0, 0x103c3}, {0x103c8, 0x103cf}, {0x10400, 0x1049d},
    {0x104b0, 0x104d3}, {0x104d8, 0x104fb}, {0x10500, 0x10527}, {0x10530, 0x10563},
    {0x10600, 0x10736}, {0x10740, 0x10755}, {0x10760, 0x10767}, {0x10800, 0x10805},
    {0x1080a, 0x10835}, {0x1083f, 0x10855}, {0x10860, 0x10876}, {0x10880, 0x1089e},
    {0x108e0, 0x108f2}, {0x10900, 0x10915}, {0x10920, 0x10939}, {0x10980, 0x109b7},
    {0x10a10, 0x10a13}, {0x10a15, 0x10a17}, {0x10a19, 0x10a33}, {0x10a60, 0x10a7c},
    {0x10a80, 0x10a9c}, {0x10ac0, 0x10ac7}, {0x10ac9, 0x10ae4}, {0x10b00, 0x10b35},
    {0x10b40, 0x10b55}, {0x10b60, 0x10b72}, {0x10b80, 0x10b91}, {0x10c00, 0x10c48},
    {0x10c80, 0x10cb2}, {0x10cc0, 0x10cf2}, {0x11003, 0x11037}, {0x11083, 0x110af},

    {0x110d0, 0x110e8}, {0x11103, 0x11126}, {0x11150, 0x11172}, {0x11183, 0x111b2},
    {0x111c1, 0x111c4}, {0x11200, 0x11211}, {0x11213, 0x1122b}, {0x11280, 0x11286},
    {0x1128a, 0x1128d}, {0x1128f, 0x1129d}, {0x1129f, 0x112a8}, {0x112b0, 0x112de},
    {0x11305, 0x1130c}, {0x11313, 0x11328}, {0x1132a, 0x11330}, {0x11335, 0x11339},
    {0x1135d, 0x11361}, {0x11400, 0x11434}, {0x11447, 0x1144a}, {0x11480, 0x114af},
    {0x11580, 0x115ae}, {0x115d8, 0x115db}, {0x11600, 0x1162f}, {0x11680, 0x116aa},
    {0x11700, 0x11719}, {0x118a0, 0x118df}, {0x11a0b, 0x11a32}, {0x11a5c, 0x11a83},
    {0x11a86, 0x11a89}, {0x11ac0, 0x11af8}, {0x11c00, 0x11c08}, {0x11c0a, 0x11c2e},
    {0x11c72, 0x11c8f}, {0x11d00, 0x11d06}, {0x11d0b, 0x11d30}, {0x12000, 0x12399},

    {0x12480, 0x12543}, {0x13000, 0x1342e}, {0x14400, 0x14646}, {0x16800, 0x16a38},
    {0x16a40, 0x16a5e}, {0x16ad0, 0x16aed}, {0x16b00, 0x16b2f}, {0x16b40, 0x16b43},
    {0x16b63, 0x16b77}, {0x16b7d, 0x16b8f}, {0x16f00, 0x16f44}, {0x16f93, 0x16f9f},
    {0x17000, 0x187ec}, {0x18800, 0x18af2}, {0x1b000, 0x1b11e}, {0x1b170, 0x1b2fb},


    {0x1bc00, 0x1bc6a}, {0x1bc70, 0x1bc7c}, {0x1bc80, 0x1bc88}, {0x1bc90, 0x1bc99},
    {0x1d400, 0x1d454}, {0x1d456, 0x1d49c}, {0x1d4a9, 0x1d4ac}, {0x1d4ae, 0x1d4b9},
    {0x1d4bd, 0x1d4c3}, {0x1d4c5, 0x1d505}, {0x1d507, 0x1d50a}, {0x1d50d, 0x1d514},
    {0x1d516, 0x1d51c}, {0x1d51e, 0x1d539}, {0x1d53b, 0x1d53e}, {0x1d540, 0x1d544},
    {0x1d54a, 0x1d550}, {0x1d552, 0x1d6a5}, {0x1d6a8, 0x1d6c0}, {0x1d6c2, 0x1d6da},
    {0x1d6dc, 0x1d6fa}, {0x1d6fc, 0x1d714}, {0x1d716, 0x1d734}, {0x1d736, 0x1d74e},
    {0x1d750, 0x1d76e}, {0x1d770, 0x1d788}, {0x1d78a, 0x1d7a8}, {0x1d7aa, 0x1d7c2},

    {0x1d7c4, 0x1d7cb}, {0x1e800, 0x1e8c4}, {0x1e900, 0x1e943}, {0x1ee00, 0x1ee03},
    {0x1ee05, 0x1ee1f}, {0x1ee29, 0x1ee32}, {0x1ee34, 0x1ee37}, {0x1ee4d, 0x1ee4f},
    {0x1ee67, 0x1ee6a}, {0x1ee6c, 0x1ee72}, {0x1ee74, 0x1ee77}, {0x1ee79, 0x1ee7c},
    {0x1ee80, 0x1ee89}, {0x1ee8b, 0x1ee9b}, {0x1eea1, 0x1eea3}, {0x1eea5, 0x1eea9},
    {0x1eeab, 0x1eebb}, {0x20000, 0x2a6d6}, {0x2a700, 0x2b734}, {0x2b740, 0x2b81d},
    {0x2b820, 0x2cea1}, {0x2ceb0, 0x2ebe0}, {0x2f800, 0x2fa1d}
#endif
};

#define NUM_ALPHA_RANGE (sizeof(alphaRangeTable)/sizeof(crange))

static const chr alphaCharTable[] = {
    0xaa, 0xb5, 0xba, 0x2ec, 0x2ee, 0x376, 0x377, 0x37f, 0x386,
................................................................................
    0x93d, 0x950, 0x98f, 0x990, 0x9b2, 0x9bd, 0x9ce, 0x9dc, 0x9dd,
    0x9f0, 0x9f1, 0x9fc, 0xa0f, 0xa10, 0xa32, 0xa33, 0xa35, 0xa36,
    0xa38, 0xa39, 0xa5e, 0xab2, 0xab3, 0xabd, 0xad0, 0xae0, 0xae1,
    0xaf9, 0xb0f, 0xb10, 0xb32, 0xb33, 0xb3d, 0xb5c, 0xb5d, 0xb71,
    0xb83, 0xb99, 0xb9a, 0xb9c, 0xb9e, 0xb9f, 0xba3, 0xba4, 0xbd0,
    0xc3d, 0xc60, 0xc61, 0xc80, 0xcbd, 0xcde, 0xce0, 0xce1, 0xcf1,
    0xcf2, 0xd3d, 0xd4e, 0xdbd, 0xe32, 0xe33, 0xe81, 0xe82, 0xe84,
    0xe87, 0xe88, 0xe8a, 0xe8d, 0xea5, 0xea7, 0xeaa, 0xeab, 0xeb2,
    0xeb3, 0xebd, 0xec6, 0xf00, 0x103f, 0x1061, 0x1065, 0x1066, 0x108e,
    0x10c7, 0x10cd, 0x1258, 0x12c0, 0x17d7, 0x17dc, 0x18aa, 0x1aa7, 0x1bae,
    0x1baf, 0x1cf5, 0x1cf6, 0x1f59, 0x1f5b, 0x1f5d, 0x1fbe, 0x2071, 0x207f,
    0x2102, 0x2107, 0x2115, 0x2124, 0x2126, 0x2128, 0x214e, 0x2183, 0x2184,
    0x2cf2, 0x2cf3, 0x2d27, 0x2d2d, 0x2d6f, 0x2e2f, 0x3005, 0x3006, 0x303b,
    0x303c, 0xa62a, 0xa62b, 0xa8fb, 0xa8fd, 0xa9cf, 0xaa7a, 0xaab1, 0xaab5,

    0xaab6, 0xaac0, 0xaac2, 0xfb1d, 0xfb3e, 0xfb40, 0xfb41, 0xfb43, 0xfb44
#if TCL_UTF_MAX > 4
    ,0x1003c, 0x1003d, 0x10808, 0x10837, 0x10838, 0x1083c, 0x108f4, 0x108f5, 0x109be,
    0x109bf, 0x10a00, 0x11176, 0x111da, 0x111dc, 0x11288, 0x1130f, 0x11310, 0x11332,
    0x11333, 0x1133d, 0x11350, 0x114c4, 0x114c5, 0x114c7, 0x11644, 0x118ff, 0x11a00,

    0x11a3a, 0x11a50, 0x11c40, 0x11d08, 0x11d09, 0x11d46, 0x16f50, 0x16fe0, 0x16fe1,
    0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d4bb, 0x1d546, 0x1ee21, 0x1ee22,
    0x1ee24, 0x1ee27, 0x1ee39, 0x1ee3b, 0x1ee42, 0x1ee47, 0x1ee49, 0x1ee4b, 0x1ee51,
    0x1ee52, 0x1ee54, 0x1ee57, 0x1ee59, 0x1ee5b, 0x1ee5d, 0x1ee5f, 0x1ee61, 0x1ee62,
    0x1ee64, 0x1ee7e
#endif
};

#define NUM_ALPHA_CHAR (sizeof(alphaCharTable)/sizeof(chr))

/*
 * Unicode: control characters.
 */

static const crange controlRangeTable[] = {
    {0x0, 0x1f}, {0x7f, 0x9f}, {0x600, 0x605}, {0x200b, 0x200f},
    {0x202a, 0x202e}, {0x2060, 0x2064}, {0x2066, 0x206f}, {0xe000, 0xf8ff},
    {0xfff9, 0xfffb}
#if TCL_UTF_MAX > 4
    ,{0x1bca0, 0x1bca3}, {0x1d173, 0x1d17a}, {0xe0020, 0xe007f}, {0xf0000, 0xffffd},
    {0x100000, 0x10fffd}
#endif
};

#define NUM_CONTROL_RANGE (sizeof(controlRangeTable)/sizeof(crange))

static const chr controlCharTable[] = {
    0xad, 0x61c, 0x6dd, 0x70f, 0x8e2, 0x180e, 0xfeff
#if TCL_UTF_MAX > 4
    ,0x110bd, 0xe0001
#endif
};

#define NUM_CONTROL_CHAR (sizeof(controlCharTable)/sizeof(chr))

/*
 * Unicode: decimal digit characters.
................................................................................
    {0xd66, 0xd6f}, {0xde6, 0xdef}, {0xe50, 0xe59}, {0xed0, 0xed9},
    {0xf20, 0xf29}, {0x1040, 0x1049}, {0x1090, 0x1099}, {0x17e0, 0x17e9},
    {0x1810, 0x1819}, {0x1946, 0x194f}, {0x19d0, 0x19d9}, {0x1a80, 0x1a89},
    {0x1a90, 0x1a99}, {0x1b50, 0x1b59}, {0x1bb0, 0x1bb9}, {0x1c40, 0x1c49},
    {0x1c50, 0x1c59}, {0xa620, 0xa629}, {0xa8d0, 0xa8d9}, {0xa900, 0xa909},
    {0xa9d0, 0xa9d9}, {0xa9f0, 0xa9f9}, {0xaa50, 0xaa59}, {0xabf0, 0xabf9},
    {0xff10, 0xff19}
#if TCL_UTF_MAX > 4
    ,{0x104a0, 0x104a9}, {0x11066, 0x1106f}, {0x110f0, 0x110f9}, {0x11136, 0x1113f},
    {0x111d0, 0x111d9}, {0x112f0, 0x112f9}, {0x11450, 0x11459}, {0x114d0, 0x114d9},
    {0x11650, 0x11659}, {0x116c0, 0x116c9}, {0x11730, 0x11739}, {0x118e0, 0x118e9},
    {0x11c50, 0x11c59}, {0x11d50, 0x11d59}, {0x16a60, 0x16a69}, {0x16b50, 0x16b59},

    {0x1d7ce, 0x1d7ff}, {0x1e950, 0x1e959}
#endif
};

#define NUM_DIGIT_RANGE (sizeof(digitRangeTable)/sizeof(crange))

/*
 * no singletons of digit characters.
................................................................................
    {0x55a, 0x55f}, {0x66a, 0x66d}, {0x700, 0x70d}, {0x7f7, 0x7f9},
    {0x830, 0x83e}, {0xf04, 0xf12}, {0xf3a, 0xf3d}, {0xfd0, 0xfd4},
    {0x104a, 0x104f}, {0x1360, 0x1368}, {0x16eb, 0x16ed}, {0x17d4, 0x17d6},
    {0x17d8, 0x17da}, {0x1800, 0x180a}, {0x1aa0, 0x1aa6}, {0x1aa8, 0x1aad},
    {0x1b5a, 0x1b60}, {0x1bfc, 0x1bff}, {0x1c3b, 0x1c3f}, {0x1cc0, 0x1cc7},
    {0x2010, 0x2027}, {0x2030, 0x2043}, {0x2045, 0x2051}, {0x2053, 0x205e},
    {0x2308, 0x230b}, {0x2768, 0x2775}, {0x27e6, 0x27ef}, {0x2983, 0x2998},
    {0x29d8, 0x29db}, {0x2cf9, 0x2cfc}, {0x2e00, 0x2e2e}, {0x2e30, 0x2e49},
    {0x3001, 0x3003}, {0x3008, 0x3011}, {0x3014, 0x301f}, {0xa60d, 0xa60f},
    {0xa6f2, 0xa6f7}, {0xa874, 0xa877}, {0xa8f8, 0xa8fa}, {0xa9c1, 0xa9cd},
    {0xaa5c, 0xaa5f}, {0xfe10, 0xfe19}, {0xfe30, 0xfe52}, {0xfe54, 0xfe61},
    {0xff01, 0xff03}, {0xff05, 0xff0a}, {0xff0c, 0xff0f}, {0xff3b, 0xff3d},
    {0xff5f, 0xff65}
#if TCL_UTF_MAX > 4
    ,{0x10100, 0x10102}, {0x10a50, 0x10a58}, {0x10af0, 0x10af6}, {0x10b39, 0x10b3f},
    {0x10b99, 0x10b9c}, {0x11047, 0x1104d}, {0x110be, 0x110c1}, {0x11140, 0x11143},
    {0x111c5, 0x111c9}, {0x111dd, 0x111df}, {0x11238, 0x1123d}, {0x1144b, 0x1144f},
    {0x115c1, 0x115d7}, {0x11641, 0x11643}, {0x11660, 0x1166c}, {0x1173c, 0x1173e},
    {0x11a3f, 0x11a46}, {0x11a9a, 0x11a9c}, {0x11a9e, 0x11aa2}, {0x11c41, 0x11c45},
    {0x12470, 0x12474}, {0x16b37, 0x16b3b}, {0x1da87, 0x1da8b}

#endif
};

#define NUM_PUNCT_RANGE (sizeof(punctRangeTable)/sizeof(crange))

static const chr punctCharTable[] = {
    0x3a, 0x3b, 0x3f, 0x40, 0x5f, 0x7b, 0x7d, 0xa1, 0xa7,
    0xab, 0xb6, 0xb7, 0xbb, 0xbf, 0x37e, 0x387, 0x589, 0x58a,
    0x5be, 0x5c0, 0x5c3, 0x5c6, 0x5f3, 0x5f4, 0x609, 0x60a, 0x60c,
    0x60d, 0x61b, 0x61e, 0x61f, 0x6d4, 0x85e, 0x964, 0x965, 0x970,
    0x9fd, 0xaf0, 0xdf4, 0xe4f, 0xe5a, 0xe5b, 0xf14, 0xf85, 0xfd9,
    0xfda, 0x10fb, 0x1400, 0x166d, 0x166e, 0x169b, 0x169c, 0x1735, 0x1736,
    0x1944, 0x1945, 0x1a1e, 0x1a1f, 0x1c7e, 0x1c7f, 0x1cd3, 0x207d, 0x207e,
    0x208d, 0x208e, 0x2329, 0x232a, 0x27c5, 0x27c6, 0x29fc, 0x29fd, 0x2cfe,
    0x2cff, 0x2d70, 0x3030, 0x303d, 0x30a0, 0x30fb, 0xa4fe, 0xa4ff, 0xa673,
    0xa67e, 0xa8ce, 0xa8cf, 0xa8fc, 0xa92e, 0xa92f, 0xa95f, 0xa9de, 0xa9df,
    0xaade, 0xaadf, 0xaaf0, 0xaaf1, 0xabeb, 0xfd3e, 0xfd3f, 0xfe63, 0xfe68,
    0xfe6a, 0xfe6b, 0xff1a, 0xff1b, 0xff1f, 0xff20, 0xff3f, 0xff5b, 0xff5d
#if TCL_UTF_MAX > 4

    ,0x1039f, 0x103d0, 0x1056f, 0x10857, 0x1091f, 0x1093f, 0x10a7f, 0x110bb, 0x110bc,
    0x11174, 0x11175, 0x111cd, 0x111db, 0x112a9, 0x1145b, 0x1145d, 0x114c6, 0x11c70,

    0x11c71, 0x16a6e, 0x16a6f, 0x16af5, 0x16b44, 0x1bc9f, 0x1e95e, 0x1e95f
#endif
};

#define NUM_PUNCT_CHAR (sizeof(punctCharTable)/sizeof(chr))

/*
 * Unicode: white space characters.
................................................................................
 * Unicode: lowercase characters.
 */

static const crange lowerRangeTable[] = {
    {0x61, 0x7a}, {0xdf, 0xf6}, {0xf8, 0xff}, {0x17e, 0x180},
    {0x199, 0x19b}, {0x1bd, 0x1bf}, {0x233, 0x239}, {0x24f, 0x293},
    {0x295, 0x2af}, {0x37b, 0x37d}, {0x3ac, 0x3ce}, {0x3d5, 0x3d7},
    {0x3ef, 0x3f3}, {0x430, 0x45f}, {0x561, 0x587}, {0x13f8, 0x13fd},
    {0x1c80, 0x1c88}, {0x1d00, 0x1d2b}, {0x1d6b, 0x1d77}, {0x1d79, 0x1d9a},
    {0x1e95, 0x1e9d}, {0x1eff, 0x1f07}, {0x1f10, 0x1f15}, {0x1f20, 0x1f27},
    {0x1f30, 0x1f37}, {0x1f40, 0x1f45}, {0x1f50, 0x1f57}, {0x1f60, 0x1f67},
    {0x1f70, 0x1f7d}, {0x1f80, 0x1f87}, {0x1f90, 0x1f97}, {0x1fa0, 0x1fa7},
    {0x1fb0, 0x1fb4}, {0x1fc2, 0x1fc4}, {0x1fd0, 0x1fd3}, {0x1fe0, 0x1fe7},
    {0x1ff2, 0x1ff4}, {0x2146, 0x2149}, {0x2c30, 0x2c5e}, {0x2c76, 0x2c7b},
    {0x2d00, 0x2d25}, {0xa72f, 0xa731}, {0xa771, 0xa778}, {0xa793, 0xa795},
    {0xab30, 0xab5a}, {0xab60, 0xab65}, {0xab70, 0xabbf}, {0xfb00, 0xfb06},
    {0xfb13, 0xfb17}, {0xff41, 0xff5a}
#if TCL_UTF_MAX > 4
    ,{0x10428, 0x1044f}, {0x104d8, 0x104fb}, {0x10cc0, 0x10cf2}, {0x118c0, 0x118df},
    {0x1d41a, 0x1d433}, {0x1d44e, 0x1d454}, {0x1d456, 0x1d467}, {0x1d482, 0x1d49b},
    {0x1d4b6, 0x1d4b9}, {0x1d4bd, 0x1d4c3}, {0x1d4c5, 0x1d4cf}, {0x1d4ea, 0x1d503},
    {0x1d51e, 0x1d537}, {0x1d552, 0x1d56b}, {0x1d586, 0x1d59f}, {0x1d5ba, 0x1d5d3},
    {0x1d5ee, 0x1d607}, {0x1d622, 0x1d63b}, {0x1d656, 0x1d66f}, {0x1d68a, 0x1d6a5},
    {0x1d6c2, 0x1d6da}, {0x1d6dc, 0x1d6e1}, {0x1d6fc, 0x1d714}, {0x1d716, 0x1d71b},
    {0x1d736, 0x1d74e}, {0x1d750, 0x1d755}, {0x1d770, 0x1d788}, {0x1d78a, 0x1d78f},
    {0x1d7aa, 0x1d7c2}, {0x1d7c4, 0x1d7c9}, {0x1e922, 0x1e943}
#endif
};

#define NUM_LOWER_RANGE (sizeof(lowerRangeTable)/sizeof(crange))

static const chr lowerCharTable[] = {
    0xb5, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10b, 0x10d, 0x10f,
................................................................................
    0xa691, 0xa693, 0xa695, 0xa697, 0xa699, 0xa69b, 0xa723, 0xa725, 0xa727,
    0xa729, 0xa72b, 0xa72d, 0xa733, 0xa735, 0xa737, 0xa739, 0xa73b, 0xa73d,
    0xa73f, 0xa741, 0xa743, 0xa745, 0xa747, 0xa749, 0xa74b, 0xa74d, 0xa74f,
    0xa751, 0xa753, 0xa755, 0xa757, 0xa759, 0xa75b, 0xa75d, 0xa75f, 0xa761,
    0xa763, 0xa765, 0xa767, 0xa769, 0xa76b, 0xa76d, 0xa76f, 0xa77a, 0xa77c,
    0xa77f, 0xa781, 0xa783, 0xa785, 0xa787, 0xa78c, 0xa78e, 0xa791, 0xa797,
    0xa799, 0xa79b, 0xa79d, 0xa79f, 0xa7a1, 0xa7a3, 0xa7a5, 0xa7a7, 0xa7a9,
    0xa7b5, 0xa7b7, 0xa7fa
#if TCL_UTF_MAX > 4
    ,0x1d4bb, 0x1d7cb
#endif
};

#define NUM_LOWER_CHAR (sizeof(lowerCharTable)/sizeof(chr))

/*
................................................................................
 */

static const crange upperRangeTable[] = {
    {0x41, 0x5a}, {0xc0, 0xd6}, {0xd8, 0xde}, {0x189, 0x18b},
    {0x18e, 0x191}, {0x196, 0x198}, {0x1b1, 0x1b3}, {0x1f6, 0x1f8},
    {0x243, 0x246}, {0x388, 0x38a}, {0x391, 0x3a1}, {0x3a3, 0x3ab},
    {0x3d2, 0x3d4}, {0x3fd, 0x42f}, {0x531, 0x556}, {0x10a0, 0x10c5},
    {0x13a0, 0x13f5}, {0x1f08, 0x1f0f}, {0x1f18, 0x1f1d}, {0x1f28, 0x1f2f},
    {0x1f38, 0x1f3f}, {0x1f48, 0x1f4d}, {0x1f68, 0x1f6f}, {0x1fb8, 0x1fbb},
    {0x1fc8, 0x1fcb}, {0x1fd8, 0x1fdb}, {0x1fe8, 0x1fec}, {0x1ff8, 0x1ffb},
    {0x210b, 0x210d}, {0x2110, 0x2112}, {0x2119, 0x211d}, {0x212a, 0x212d},
    {0x2130, 0x2133}, {0x2c00, 0x2c2e}, {0x2c62, 0x2c64}, {0x2c6d, 0x2c70},
    {0x2c7e, 0x2c80}, {0xa7aa, 0xa7ae}, {0xa7b0, 0xa7b4}, {0xff21, 0xff3a}
#if TCL_UTF_MAX > 4

    ,{0x10400, 0x10427}, {0x104b0, 0x104d3}, {0x10c80, 0x10cb2}, {0x118a0, 0x118bf},
    {0x1d400, 0x1d419}, {0x1d434, 0x1d44d}, {0x1d468, 0x1d481}, {0x1d4a9, 0x1d4ac},
    {0x1d4ae, 0x1d4b5}, {0x1d4d0, 0x1d4e9}, {0x1d507, 0x1d50a}, {0x1d50d, 0x1d514},
    {0x1d516, 0x1d51c}, {0x1d53b, 0x1d53e}, {0x1d540, 0x1d544}, {0x1d54a, 0x1d550},
    {0x1d56c, 0x1d585}, {0x1d5a0, 0x1d5b9}, {0x1d5d4, 0x1d5ed}, {0x1d608, 0x1d621},
    {0x1d63c, 0x1d655}, {0x1d670, 0x1d689}, {0x1d6a8, 0x1d6c0}, {0x1d6e2, 0x1d6fa},
    {0x1d71c, 0x1d734}, {0x1d756, 0x1d76e}, {0x1d790, 0x1d7a8}, {0x1e900, 0x1e921}

#endif
};

#define NUM_UPPER_RANGE (sizeof(upperRangeTable)/sizeof(crange))

static const chr upperCharTable[] = {
    0x100, 0x102, 0x104, 0x106, 0x108, 0x10a, 0x10c, 0x10e, 0x110,
................................................................................
    0xa686, 0xa688, 0xa68a, 0xa68c, 0xa68e, 0xa690, 0xa692, 0xa694, 0xa696,
    0xa698, 0xa69a, 0xa722, 0xa724, 0xa726, 0xa728, 0xa72a, 0xa72c, 0xa72e,
    0xa732, 0xa734, 0xa736, 0xa738, 0xa73a, 0xa73c, 0xa73e, 0xa740, 0xa742,
    0xa744, 0xa746, 0xa748, 0xa74a, 0xa74c, 0xa74e, 0xa750, 0xa752, 0xa754,
    0xa756, 0xa758, 0xa75a, 0xa75c, 0xa75e, 0xa760, 0xa762, 0xa764, 0xa766,
    0xa768, 0xa76a, 0xa76c, 0xa76e, 0xa779, 0xa77b, 0xa77d, 0xa77e, 0xa780,
    0xa782, 0xa784, 0xa786, 0xa78b, 0xa78d, 0xa790, 0xa792, 0xa796, 0xa798,
    0xa79a, 0xa79c, 0xa79e, 0xa7a0, 0xa7a2, 0xa7a4, 0xa7a6, 0xa7a8, 0xa7b6
#if TCL_UTF_MAX > 4

    ,0x1d49c, 0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d504, 0x1d505, 0x1d538,
    0x1d539, 0x1d546, 0x1d7ca
#endif
};

#define NUM_UPPER_CHAR (sizeof(upperCharTable)/sizeof(chr))

................................................................................
/*
 * Unicode: unicode print characters excluding space.
 */

static const crange graphRangeTable[] = {
    {0x21, 0x7e}, {0xa1, 0xac}, {0xae, 0x377}, {0x37a, 0x37f},
    {0x384, 0x38a}, {0x38e, 0x3a1}, {0x3a3, 0x52f}, {0x531, 0x556},
    {0x559, 0x55f}, {0x561, 0x587}, {0x58d, 0x58f}, {0x591, 0x5c7},
    {0x5d0, 0x5ea}, {0x5f0, 0x5f4}, {0x606, 0x61b}, {0x61e, 0x6dc},
    {0x6de, 0x70d}, {0x710, 0x74a}, {0x74d, 0x7b1}, {0x7c0, 0x7fa},
    {0x800, 0x82d}, {0x830, 0x83e}, {0x840, 0x85b}, {0x860, 0x86a},
    {0x8a0, 0x8b4}, {0x8b6, 0x8bd}, {0x8d4, 0x8e1}, {0x8e3, 0x983},
    {0x985, 0x98c}, {0x993, 0x9a8}, {0x9aa, 0x9b0}, {0x9b6, 0x9b9},
    {0x9bc, 0x9c4}, {0x9cb, 0x9ce}, {0x9df, 0x9e3}, {0x9e6, 0x9fd},
    {0xa01, 0xa03}, {0xa05, 0xa0a}, {0xa13, 0xa28}, {0xa2a, 0xa30},
    {0xa3e, 0xa42}, {0xa4b, 0xa4d}, {0xa59, 0xa5c}, {0xa66, 0xa75},
    {0xa81, 0xa83}, {0xa85, 0xa8d}, {0xa8f, 0xa91}, {0xa93, 0xaa8},
    {0xaaa, 0xab0}, {0xab5, 0xab9}, {0xabc, 0xac5}, {0xac7, 0xac9},
    {0xacb, 0xacd}, {0xae0, 0xae3}, {0xae6, 0xaf1}, {0xaf9, 0xaff},
    {0xb01, 0xb03}, {0xb05, 0xb0c}, {0xb13, 0xb28}, {0xb2a, 0xb30},
    {0xb35, 0xb39}, {0xb3c, 0xb44}, {0xb4b, 0xb4d}, {0xb5f, 0xb63},
    {0xb66, 0xb77}, {0xb85, 0xb8a}, {0xb8e, 0xb90}, {0xb92, 0xb95},
    {0xba8, 0xbaa}, {0xbae, 0xbb9}, {0xbbe, 0xbc2}, {0xbc6, 0xbc8},
    {0xbca, 0xbcd}, {0xbe6, 0xbfa}, {0xc00, 0xc03}, {0xc05, 0xc0c},
    {0xc0e, 0xc10}, {0xc12, 0xc28}, {0xc2a, 0xc39}, {0xc3d, 0xc44},
    {0xc46, 0xc48}, {0xc4a, 0xc4d}, {0xc58, 0xc5a}, {0xc60, 0xc63},
    {0xc66, 0xc6f}, {0xc78, 0xc83}, {0xc85, 0xc8c}, {0xc8e, 0xc90},
    {0xc92, 0xca8}, {0xcaa, 0xcb3}, {0xcb5, 0xcb9}, {0xcbc, 0xcc4},
    {0xcc6, 0xcc8}, {0xcca, 0xccd}, {0xce0, 0xce3}, {0xce6, 0xcef},
    {0xd00, 0xd03}, {0xd05, 0xd0c}, {0xd0e, 0xd10}, {0xd12, 0xd44},
    {0xd46, 0xd48}, {0xd4a, 0xd4f}, {0xd54, 0xd63}, {0xd66, 0xd7f},
    {0xd85, 0xd96}, {0xd9a, 0xdb1}, {0xdb3, 0xdbb}, {0xdc0, 0xdc6},
    {0xdcf, 0xdd4}, {0xdd8, 0xddf}, {0xde6, 0xdef}, {0xdf2, 0xdf4},
    {0xe01, 0xe3a}, {0xe3f, 0xe5b}, {0xe94, 0xe97}, {0xe99, 0xe9f},
    {0xea1, 0xea3}, {0xead, 0xeb9}, {0xebb, 0xebd}, {0xec0, 0xec4},

    {0xec8, 0xecd}, {0xed0, 0xed9}, {0xedc, 0xedf}, {0xf00, 0xf47},
    {0xf49, 0xf6c}, {0xf71, 0xf97}, {0xf99, 0xfbc}, {0xfbe, 0xfcc},
    {0xfce, 0xfda}, {0x1000, 0x10c5}, {0x10d0, 0x1248}, {0x124a, 0x124d},
    {0x1250, 0x1256}, {0x125a, 0x125d}, {0x1260, 0x1288}, {0x128a, 0x128d},
    {0x1290, 0x12b0}, {0x12b2, 0x12b5}, {0x12b8, 0x12be}, {0x12c2, 0x12c5},
    {0x12c8, 0x12d6}, {0x12d8, 0x1310}, {0x1312, 0x1315}, {0x1318, 0x135a},
    {0x135d, 0x137c}, {0x1380, 0x1399}, {0x13a0, 0x13f5}, {0x13f8, 0x13fd},
    {0x1400, 0x167f}, {0x1681, 0x169c}, {0x16a0, 0x16f8}, {0x1700, 0x170c},
    {0x170e, 0x1714}, {0x1720, 0x1736}, {0x1740, 0x1753}, {0x1760, 0x176c},
    {0x176e, 0x1770}, {0x1780, 0x17dd}, {0x17e0, 0x17e9}, {0x17f0, 0x17f9},
    {0x1800, 0x180d}, {0x1810, 0x1819}, {0x1820, 0x1877}, {0x1880, 0x18aa},
    {0x18b0, 0x18f5}, {0x1900, 0x191e}, {0x1920, 0x192b}, {0x1930, 0x193b},
    {0x1944, 0x196d}, {0x1970, 0x1974}, {0x1980, 0x19ab}, {0x19b0, 0x19c9},
    {0x19d0, 0x19da}, {0x19de, 0x1a1b}, {0x1a1e, 0x1a5e}, {0x1a60, 0x1a7c},
    {0x1a7f, 0x1a89}, {0x1a90, 0x1a99}, {0x1aa0, 0x1aad}, {0x1ab0, 0x1abe},
    {0x1b00, 0x1b4b}, {0x1b50, 0x1b7c}, {0x1b80, 0x1bf3}, {0x1bfc, 0x1c37},
    {0x1c3b, 0x1c49}, {0x1c4d, 0x1c88}, {0x1cc0, 0x1cc7}, {0x1cd0, 0x1cf9},

    {0x1d00, 0x1df9}, {0x1dfb, 0x1f15}, {0x1f18, 0x1f1d}, {0x1f20, 0x1f45},
    {0x1f48, 0x1f4d}, {0x1f50, 0x1f57}, {0x1f5f, 0x1f7d}, {0x1f80, 0x1fb4},
    {0x1fb6, 0x1fc4}, {0x1fc6, 0x1fd3}, {0x1fd6, 0x1fdb}, {0x1fdd, 0x1fef},
    {0x1ff2, 0x1ff4}, {0x1ff6, 0x1ffe}, {0x2010, 0x2027}, {0x2030, 0x205e},
    {0x2074, 0x208e}, {0x2090, 0x209c}, {0x20a0, 0x20bf}, {0x20d0, 0x20f0},
    {0x2100, 0x218b}, {0x2190, 0x2426}, {0x2440, 0x244a}, {0x2460, 0x2b73},
    {0x2b76, 0x2b95}, {0x2b98, 0x2bb9}, {0x2bbd, 0x2bc8}, {0x2bca, 0x2bd2},
    {0x2bec, 0x2bef}, {0x2c00, 0x2c2e}, {0x2c30, 0x2c5e}, {0x2c60, 0x2cf3},
    {0x2cf9, 0x2d25}, {0x2d30, 0x2d67}, {0x2d7f, 0x2d96}, {0x2da0, 0x2da6},
    {0x2da8, 0x2dae}, {0x2db0, 0x2db6}, {0x2db8, 0x2dbe}, {0x2dc0, 0x2dc6},
    {0x2dc8, 0x2dce}, {0x2dd0, 0x2dd6}, {0x2dd8, 0x2dde}, {0x2de0, 0x2e49},
    {0x2e80, 0x2e99}, {0x2e9b, 0x2ef3}, {0x2f00, 0x2fd5}, {0x2ff0, 0x2ffb},
    {0x3001, 0x303f}, {0x3041, 0x3096}, {0x3099, 0x30ff}, {0x3105, 0x312e},
    {0x3131, 0x318e}, {0x3190, 0x31ba}, {0x31c0, 0x31e3}, {0x31f0, 0x321e},
    {0x3220, 0x32fe}, {0x3300, 0x4db5}, {0x4dc0, 0x9fea}, {0xa000, 0xa48c},
    {0xa490, 0xa4c6}, {0xa4d0, 0xa62b}, {0xa640, 0xa6f7}, {0xa700, 0xa7ae},
    {0xa7b0, 0xa7b7}, {0xa7f7, 0xa82b}, {0xa830, 0xa839}, {0xa840, 0xa877},
    {0xa880, 0xa8c5}, {0xa8ce, 0xa8d9}, {0xa8e0, 0xa8fd}, {0xa900, 0xa953},
    {0xa95f, 0xa97c}, {0xa980, 0xa9cd}, {0xa9cf, 0xa9d9}, {0xa9de, 0xa9fe},
    {0xaa00, 0xaa36}, {0xaa40, 0xaa4d}, {0xaa50, 0xaa59}, {0xaa5c, 0xaac2},
    {0xaadb, 0xaaf6}, {0xab01, 0xab06}, {0xab09, 0xab0e}, {0xab11, 0xab16},
    {0xab20, 0xab26}, {0xab28, 0xab2e}, {0xab30, 0xab65}, {0xab70, 0xabed},
    {0xabf0, 0xabf9}, {0xac00, 0xd7a3}, {0xd7b0, 0xd7c6}, {0xd7cb, 0xd7fb},
    {0xdc00, 0xdc3e}, {0xdc40, 0xdc7e}, {0xdc80, 0xdcbe}, {0xdcc0, 0xdcfe},
    {0xdd00, 0xdd3e}, {0xdd40, 0xdd7e}, {0xdd80, 0xddbe}, {0xddc0, 0xddfe},
    {0xde00, 0xde3e}, {0xde40, 0xde7e}, {0xde80, 0xdebe}, {0xdec0, 0xdefe},
    {0xdf00, 0xdf3e}, {0xdf40, 0xdf7e}, {0xdf80, 0xdfbe}, {0xdfc0, 0xdffe},
    {0xf900, 0xfa6d}, {0xfa70, 0xfad9}, {0xfb00, 0xfb06}, {0xfb13, 0xfb17},
    {0xfb1d, 0xfb36}, {0xfb38, 0xfb3c}, {0xfb46, 0xfbc1}, {0xfbd3, 0xfd3f},
    {0xfd50, 0xfd8f}, {0xfd92, 0xfdc7}, {0xfdf0, 0xfdfd}, {0xfe00, 0xfe19},
    {0xfe20, 0xfe52}, {0xfe54, 0xfe66}, {0xfe68, 0xfe6b}, {0xfe70, 0xfe74},
    {0xfe76, 0xfefc}, {0xff01, 0xffbe}, {0xffc2, 0xffc7}, {0xffca, 0xffcf},
    {0xffd2, 0xffd7}, {0xffda, 0xffdc}, {0xffe0, 0xffe6}, {0xffe8, 0xffee}
#if TCL_UTF_MAX > 4

    ,{0x10000, 0x1000b}, {0x1000d, 0x10026}, {0x10028, 0x1003a}, {0x1003f, 0x1004d},
    {0x10050, 0x1005d}, {0x10080, 0x100fa}, {0x10100, 0x10102}, {0x10107, 0x10133},
    {0x10137, 0x1018e}, {0x10190, 0x1019b}, {0x101d0, 0x101fd}, {0x10280, 0x1029c},
    {0x102a0, 0x102d0}, {0x102e0, 0x102fb}, {0x10300, 0x10323}, {0x1032d, 0x1034a},
    {0x10350, 0x1037a}, {0x10380, 0x1039d}, {0x1039f, 0x103c3}, {0x103c8, 0x103d5},
    {0x10400, 0x1049d}, {0x104a0, 0x104a9}, {0x104b0, 0x104d3}, {0x104d8, 0x104fb},
    {0x10500, 0x10527}, {0x10530, 0x10563}, {0x10600, 0x10736}, {0x10740, 0x10755},
    {0x10760, 0x10767}, {0x10800, 0x10805}, {0x1080a, 0x10835}, {0x1083f, 0x10855},
    {0x10857, 0x1089e}, {0x108a7, 0x108af}, {0x108e0, 0x108f2}, {0x108fb, 0x1091b},
    {0x1091f, 0x10939}, {0x10980, 0x109b7}, {0x109bc, 0x109cf}, {0x109d2, 0x10a03},
    {0x10a0c, 0x10a13}, {0x10a15, 0x10a17}, {0x10a19, 0x10a33}, {0x10a38, 0x10a3a},
    {0x10a3f, 0x10a47}, {0x10a50, 0x10a58}, {0x10a60, 0x10a9f}, {0x10ac0, 0x10ae6},
    {0x10aeb, 0x10af6}, {0x10b00, 0x10b35}, {0x10b39, 0x10b55}, {0x10b58, 0x10b72},
    {0x10b78, 0x10b91}, {0x10b99, 0x10b9c}, {0x10ba9, 0x10baf}, {0x10c00, 0x10c48},
    {0x10c80, 0x10cb2}, {0x10cc0, 0x10cf2}, {0x10cfa, 0x10cff}, {0x10e60, 0x10e7e},

    {0x11000, 0x1104d}, {0x11052, 0x1106f}, {0x1107f, 0x110bc}, {0x110be, 0x110c1},
    {0x110d0, 0x110e8}, {0x110f0, 0x110f9}, {0x11100, 0x11134}, {0x11136, 0x11143},
    {0x11150, 0x11176}, {0x11180, 0x111cd}, {0x111d0, 0x111df}, {0x111e1, 0x111f4},
    {0x11200, 0x11211}, {0x11213, 0x1123e}, {0x11280, 0x11286}, {0x1128a, 0x1128d},
    {0x1128f, 0x1129d}, {0x1129f, 0x112a9}, {0x112b0, 0x112ea}, {0x112f0, 0x112f9},
    {0x11300, 0x11303}, {0x11305, 0x1130c}, {0x11313, 0x11328}, {0x1132a, 0x11330},
    {0x11335, 0x11339}, {0x1133c, 0x11344}, {0x1134b, 0x1134d}, {0x1135d, 0x11363},
    {0x11366, 0x1136c}, {0x11370, 0x11374}, {0x11400, 0x11459}, {0x11480, 0x114c7},
    {0x114d0, 0x114d9}, {0x11580, 0x115b5}, {0x115b8, 0x115dd}, {0x11600, 0x11644},
    {0x11650, 0x11659}, {0x11660, 0x1166c}, {0x11680, 0x116b7}, {0x116c0, 0x116c9},
    {0x11700, 0x11719}, {0x1171d, 0x1172b}, {0x11730, 0x1173f}, {0x118a0, 0x118f2},

    {0x11a00, 0x11a47}, {0x11a50, 0x11a83}, {0x11a86, 0x11a9c}, {0x11a9e, 0x11aa2},
    {0x11ac0, 0x11af8}, {0x11c00, 0x11c08}, {0x11c0a, 0x11c36}, {0x11c38, 0x11c45},
    {0x11c50, 0x11c6c}, {0x11c70, 0x11c8f}, {0x11c92, 0x11ca7}, {0x11ca9, 0x11cb6},
    {0x11d00, 0x11d06}, {0x11d0b, 0x11d36}, {0x11d3f, 0x11d47}, {0x11d50, 0x11d59},

    {0x12000, 0x12399}, {0x12400, 0x1246e}, {0x12470, 0x12474}, {0x12480, 0x12543},
    {0x13000, 0x1342e}, {0x14400, 0x14646}, {0x16800, 0x16a38}, {0x16a40, 0x16a5e},
    {0x16a60, 0x16a69}, {0x16ad0, 0x16aed}, {0x16af0, 0x16af5}, {0x16b00, 0x16b45},
    {0x16b50, 0x16b59}, {0x16b5b, 0x16b61}, {0x16b63, 0x16b77}, {0x16b7d, 0x16b8f},
    {0x16f00, 0x16f44}, {0x16f50, 0x16f7e}, {0x16f8f, 0x16f9f}, {0x17000, 0x187ec},
    {0x18800, 0x18af2}, {0x1b000, 0x1b11e}, {0x1b170, 0x1b2fb}, {0x1bc00, 0x1bc6a},



    {0x1bc70, 0x1bc7c}, {0x1bc80, 0x1bc88}, {0x1bc90, 0x1bc99}, {0x1bc9c, 0x1bc9f},
    {0x1d000, 0x1d0f5}, {0x1d100, 0x1d126}, {0x1d129, 0x1d172}, {0x1d17b, 0x1d1e8},
    {0x1d200, 0x1d245}, {0x1d300, 0x1d356}, {0x1d360, 0x1d371}, {0x1d400, 0x1d454},

    {0x1d456, 0x1d49c}, {0x1d4a9, 0x1d4ac}, {0x1d4ae, 0x1d4b9}, {0x1d4bd, 0x1d4c3},
    {0x1d4c5, 0x1d505}, {0x1d507, 0x1d50a}, {0x1d50d, 0x1d514}, {0x1d516, 0x1d51c},
    {0x1d51e, 0x1d539}, {0x1d53b, 0x1d53e}, {0x1d540, 0x1d544}, {0x1d54a, 0x1d550},
    {0x1d552, 0x1d6a5}, {0x1d6a8, 0x1d7cb}, {0x1d7ce, 0x1da8b}, {0x1da9b, 0x1da9f},
    {0x1daa1, 0x1daaf}, {0x1e000, 0x1e006}, {0x1e008, 0x1e018}, {0x1e01b, 0x1e021},


    {0x1e026, 0x1e02a}, {0x1e800, 0x1e8c4}, {0x1e8c7, 0x1e8d6}, {0x1e900, 0x1e94a},
    {0x1e950, 0x1e959}, {0x1ee00, 0x1ee03}, {0x1ee05, 0x1ee1f}, {0x1ee29, 0x1ee32},
    {0x1ee34, 0x1ee37}, {0x1ee4d, 0x1ee4f}, {0x1ee67, 0x1ee6a}, {0x1ee6c, 0x1ee72},
    {0x1ee74, 0x1ee77}, {0x1ee79, 0x1ee7c}, {0x1ee80, 0x1ee89}, {0x1ee8b, 0x1ee9b},
    {0x1eea1, 0x1eea3}, {0x1eea5, 0x1eea9}, {0x1eeab, 0x1eebb}, {0x1f000, 0x1f02b},
    {0x1f030, 0x1f093}, {0x1f0a0, 0x1f0ae}, {0x1f0b1, 0x1f0bf}, {0x1f0c1, 0x1f0cf},
    {0x1f0d1, 0x1f0f5}, {0x1f100, 0x1f10c}, {0x1f110, 0x1f12e}, {0x1f130, 0x1f16b},
    {0x1f170, 0x1f1ac}, {0x1f1e6, 0x1f202}, {0x1f210, 0x1f23b}, {0x1f240, 0x1f248},
    {0x1f260, 0x1f265}, {0x1f300, 0x1f6d4}, {0x1f6e0, 0x1f6ec}, {0x1f6f0, 0x1f6f8},
    {0x1f700, 0x1f773}, {0x1f780, 0x1f7d4}, {0x1f800, 0x1f80b}, {0x1f810, 0x1f847},

    {0x1f850, 0x1f859}, {0x1f860, 0x1f887}, {0x1f890, 0x1f8ad}, {0x1f900, 0x1f90b},
    {0x1f910, 0x1f93e}, {0x1f940, 0x1f94c}, {0x1f950, 0x1f96b}, {0x1f980, 0x1f997},



    {0x1f9d0, 0x1f9e6}, {0x20000, 0x2a6d6}, {0x2a700, 0x2b734}, {0x2b740, 0x2b81d},
    {0x2b820, 0x2cea1}, {0x2ceb0, 0x2ebe0}, {0x2f800, 0x2fa1d}, {0xe0100, 0xe01ef}
#endif
};

#define NUM_GRAPH_RANGE (sizeof(graphRangeTable)/sizeof(crange))

static const chr graphCharTable[] = {
    0x38c, 0x589, 0x58a, 0x85e, 0x98f, 0x990, 0x9b2, 0x9c7, 0x9c8,
    0x9d7, 0x9dc, 0x9dd, 0xa0f, 0xa10, 0xa32, 0xa33, 0xa35, 0xa36,
    0xa38, 0xa39, 0xa3c, 0xa47, 0xa48, 0xa51, 0xa5e, 0xab2, 0xab3,
    0xad0, 0xb0f, 0xb10, 0xb32, 0xb33, 0xb47, 0xb48, 0xb56, 0xb57,
    0xb5c, 0xb5d, 0xb82, 0xb83, 0xb99, 0xb9a, 0xb9c, 0xb9e, 0xb9f,
    0xba3, 0xba4, 0xbd0, 0xbd7, 0xc55, 0xc56, 0xcd5, 0xcd6, 0xcde,
    0xcf1, 0xcf2, 0xd82, 0xd83, 0xdbd, 0xdca, 0xdd6, 0xe81, 0xe82,
    0xe84, 0xe87, 0xe88, 0xe8a, 0xe8d, 0xea5, 0xea7, 0xeaa, 0xeab,
    0xec6, 0x10c7, 0x10cd, 0x1258, 0x12c0, 0x1772, 0x1773, 0x1940, 0x1f59,
    0x1f5b, 0x1f5d, 0x2070, 0x2071, 0x2d27, 0x2d2d, 0x2d6f, 0x2d70, 0xfb3e,
    0xfb40, 0xfb41, 0xfb43, 0xfb44, 0xfffc, 0xfffd
#if TCL_UTF_MAX > 4
    ,0x1003c, 0x1003d, 0x101a0, 0x1056f, 0x10808, 0x10837, 0x10838, 0x1083c, 0x108f4,
    0x108f5, 0x1093f, 0x10a05, 0x10a06, 0x11288, 0x1130f, 0x11310, 0x11332, 0x11333,
    0x11347, 0x11348, 0x11350, 0x11357, 0x1145b, 0x1145d, 0x118ff, 0x11d08, 0x11d09,
    0x11d3a, 0x11d3c, 0x11d3d, 0x16a6e, 0x16a6f, 0x16fe0, 0x16fe1, 0x1d49e, 0x1d49f,
    0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d4bb, 0x1d546, 0x1e023, 0x1e024, 0x1e95e, 0x1e95f,
    0x1ee21, 0x1ee22, 0x1ee24, 0x1ee27, 0x1ee39, 0x1ee3b, 0x1ee42, 0x1ee47, 0x1ee49,
    0x1ee4b, 0x1ee51, 0x1ee52, 0x1ee54, 0x1ee57, 0x1ee59, 0x1ee5b, 0x1ee5d, 0x1ee5f,
    0x1ee61, 0x1ee62, 0x1ee64, 0x1ee7e, 0x1eef0, 0x1eef1, 0x1f250, 0x1f251, 0x1f9c0

#endif
};

#define NUM_GRAPH_CHAR (sizeof(graphCharTable)/sizeof(chr))

/*
 *	End of auto-generated Unicode character ranges declarations.






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133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
...
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196




197
198
199
200
201

202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229

230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
...
255
256
257
258
259
260
261

262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
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291
292
293
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297
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302
303
304
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306
307
308
309
310
311
...
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
...
347
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349
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353
354
355
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398
...
415
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427
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445
446
447
...
503
504
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518
...
520
521
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531
532
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541
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...
604
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...
621
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671
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678
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693




694
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724
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728
729
730
731
732
733
734
735
736
737


738
739
740
741
742

743
744
745
746
747
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749
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760
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762
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769
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771
772
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780
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784
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786
787
788
789
790
791
792
793
794
795
796
797
798
799
 * Unicode: alphabetic characters.
 */

static const crange alphaRangeTable[] = {
    {0x41, 0x5a}, {0x61, 0x7a}, {0xc0, 0xd6}, {0xd8, 0xf6},
    {0xf8, 0x2c1}, {0x2c6, 0x2d1}, {0x2e0, 0x2e4}, {0x370, 0x374},
    {0x37a, 0x37d}, {0x388, 0x38a}, {0x38e, 0x3a1}, {0x3a3, 0x3f5},
    {0x3f7, 0x481}, {0x48a, 0x52f}, {0x531, 0x556}, {0x560, 0x588},
    {0x5d0, 0x5ea}, {0x5ef, 0x5f2}, {0x620, 0x64a}, {0x671, 0x6d3},
    {0x6fa, 0x6fc}, {0x712, 0x72f}, {0x74d, 0x7a5}, {0x7ca, 0x7ea},
    {0x800, 0x815}, {0x840, 0x858}, {0x860, 0x86a}, {0x8a0, 0x8b4},
    {0x8b6, 0x8bd}, {0x904, 0x939}, {0x958, 0x961}, {0x971, 0x980},
    {0x985, 0x98c}, {0x993, 0x9a8}, {0x9aa, 0x9b0}, {0x9b6, 0x9b9},
    {0x9df, 0x9e1}, {0xa05, 0xa0a}, {0xa13, 0xa28}, {0xa2a, 0xa30},
    {0xa59, 0xa5c}, {0xa72, 0xa74}, {0xa85, 0xa8d}, {0xa8f, 0xa91},
    {0xa93, 0xaa8}, {0xaaa, 0xab0}, {0xab5, 0xab9}, {0xb05, 0xb0c},
................................................................................
    {0xb13, 0xb28}, {0xb2a, 0xb30}, {0xb35, 0xb39}, {0xb5f, 0xb61},
    {0xb85, 0xb8a}, {0xb8e, 0xb90}, {0xb92, 0xb95}, {0xba8, 0xbaa},
    {0xbae, 0xbb9}, {0xc05, 0xc0c}, {0xc0e, 0xc10}, {0xc12, 0xc28},
    {0xc2a, 0xc39}, {0xc58, 0xc5a}, {0xc85, 0xc8c}, {0xc8e, 0xc90},
    {0xc92, 0xca8}, {0xcaa, 0xcb3}, {0xcb5, 0xcb9}, {0xd05, 0xd0c},
    {0xd0e, 0xd10}, {0xd12, 0xd3a}, {0xd54, 0xd56}, {0xd5f, 0xd61},
    {0xd7a, 0xd7f}, {0xd85, 0xd96}, {0xd9a, 0xdb1}, {0xdb3, 0xdbb},
    {0xdc0, 0xdc6}, {0xe01, 0xe30}, {0xe40, 0xe46}, {0xe86, 0xe8a},
    {0xe8c, 0xea3}, {0xea7, 0xeb0}, {0xec0, 0xec4}, {0xedc, 0xedf},
    {0xf40, 0xf47}, {0xf49, 0xf6c}, {0xf88, 0xf8c}, {0x1000, 0x102a},
    {0x1050, 0x1055}, {0x105a, 0x105d}, {0x106e, 0x1070}, {0x1075, 0x1081},
    {0x10a0, 0x10c5}, {0x10d0, 0x10fa}, {0x10fc, 0x1248}, {0x124a, 0x124d},
    {0x1250, 0x1256}, {0x125a, 0x125d}, {0x1260, 0x1288}, {0x128a, 0x128d},
    {0x1290, 0x12b0}, {0x12b2, 0x12b5}, {0x12b8, 0x12be}, {0x12c2, 0x12c5},
    {0x12c8, 0x12d6}, {0x12d8, 0x1310}, {0x1312, 0x1315}, {0x1318, 0x135a},
    {0x1380, 0x138f}, {0x13a0, 0x13f5}, {0x13f8, 0x13fd}, {0x1401, 0x166c},
    {0x166f, 0x167f}, {0x1681, 0x169a}, {0x16a0, 0x16ea}, {0x16f1, 0x16f8},
    {0x1700, 0x170c}, {0x170e, 0x1711}, {0x1720, 0x1731}, {0x1740, 0x1751},
    {0x1760, 0x176c}, {0x176e, 0x1770}, {0x1780, 0x17b3}, {0x1820, 0x1878},
    {0x1880, 0x1884}, {0x1887, 0x18a8}, {0x18b0, 0x18f5}, {0x1900, 0x191e},
    {0x1950, 0x196d}, {0x1970, 0x1974}, {0x1980, 0x19ab}, {0x19b0, 0x19c9},
    {0x1a00, 0x1a16}, {0x1a20, 0x1a54}, {0x1b05, 0x1b33}, {0x1b45, 0x1b4b},
    {0x1b83, 0x1ba0}, {0x1bba, 0x1be5}, {0x1c00, 0x1c23}, {0x1c4d, 0x1c4f},
    {0x1c5a, 0x1c7d}, {0x1c80, 0x1c88}, {0x1c90, 0x1cba}, {0x1cbd, 0x1cbf},
    {0x1ce9, 0x1cec}, {0x1cee, 0x1cf3}, {0x1d00, 0x1dbf}, {0x1e00, 0x1f15},
    {0x1f18, 0x1f1d}, {0x1f20, 0x1f45}, {0x1f48, 0x1f4d}, {0x1f50, 0x1f57},
    {0x1f5f, 0x1f7d}, {0x1f80, 0x1fb4}, {0x1fb6, 0x1fbc}, {0x1fc2, 0x1fc4},
    {0x1fc6, 0x1fcc}, {0x1fd0, 0x1fd3}, {0x1fd6, 0x1fdb}, {0x1fe0, 0x1fec},
    {0x1ff2, 0x1ff4}, {0x1ff6, 0x1ffc}, {0x2090, 0x209c}, {0x210a, 0x2113},
    {0x2119, 0x211d}, {0x212a, 0x212d}, {0x212f, 0x2139}, {0x213c, 0x213f},
    {0x2145, 0x2149}, {0x2c00, 0x2c2e}, {0x2c30, 0x2c5e}, {0x2c60, 0x2ce4},
    {0x2ceb, 0x2cee}, {0x2d00, 0x2d25}, {0x2d30, 0x2d67}, {0x2d80, 0x2d96},
    {0x2da0, 0x2da6}, {0x2da8, 0x2dae}, {0x2db0, 0x2db6}, {0x2db8, 0x2dbe},
    {0x2dc0, 0x2dc6}, {0x2dc8, 0x2dce}, {0x2dd0, 0x2dd6}, {0x2dd8, 0x2dde},
    {0x3031, 0x3035}, {0x3041, 0x3096}, {0x309d, 0x309f}, {0x30a1, 0x30fa},
    {0x30fc, 0x30ff}, {0x3105, 0x312f}, {0x3131, 0x318e}, {0x31a0, 0x31ba},
    {0x31f0, 0x31ff}, {0x3400, 0x4db5}, {0x4e00, 0x9fef}, {0xa000, 0xa48c},
    {0xa4d0, 0xa4fd}, {0xa500, 0xa60c}, {0xa610, 0xa61f}, {0xa640, 0xa66e},
    {0xa67f, 0xa69d}, {0xa6a0, 0xa6e5}, {0xa717, 0xa71f}, {0xa722, 0xa788},
    {0xa78b, 0xa7bf}, {0xa7c2, 0xa7c6}, {0xa7f7, 0xa801}, {0xa803, 0xa805},
    {0xa807, 0xa80a}, {0xa80c, 0xa822}, {0xa840, 0xa873}, {0xa882, 0xa8b3},
    {0xa8f2, 0xa8f7}, {0xa90a, 0xa925}, {0xa930, 0xa946}, {0xa960, 0xa97c},
    {0xa984, 0xa9b2}, {0xa9e0, 0xa9e4}, {0xa9e6, 0xa9ef}, {0xa9fa, 0xa9fe},
    {0xaa00, 0xaa28}, {0xaa40, 0xaa42}, {0xaa44, 0xaa4b}, {0xaa60, 0xaa76},
    {0xaa7e, 0xaaaf}, {0xaab9, 0xaabd}, {0xaadb, 0xaadd}, {0xaae0, 0xaaea},
    {0xaaf2, 0xaaf4}, {0xab01, 0xab06}, {0xab09, 0xab0e}, {0xab11, 0xab16},
    {0xab20, 0xab26}, {0xab28, 0xab2e}, {0xab30, 0xab5a}, {0xab5c, 0xab67},
    {0xab70, 0xabe2}, {0xac00, 0xd7a3}, {0xd7b0, 0xd7c6}, {0xd7cb, 0xd7fb},




    {0xf900, 0xfa6d}, {0xfa70, 0xfad9}, {0xfb00, 0xfb06}, {0xfb13, 0xfb17},
    {0xfb1f, 0xfb28}, {0xfb2a, 0xfb36}, {0xfb38, 0xfb3c}, {0xfb46, 0xfbb1},
    {0xfbd3, 0xfd3d}, {0xfd50, 0xfd8f}, {0xfd92, 0xfdc7}, {0xfdf0, 0xfdfb},
    {0xfe70, 0xfe74}, {0xfe76, 0xfefc}, {0xff21, 0xff3a}, {0xff41, 0xff5a},
    {0xff66, 0xffbe}, {0xffc2, 0xffc7}, {0xffca, 0xffcf}, {0xffd2, 0xffd7},

    {0xffda, 0xffdc}
#if CHRBITS > 16
    ,{0x10000, 0x1000b}, {0x1000d, 0x10026}, {0x10028, 0x1003a}, {0x1003f, 0x1004d},
    {0x10050, 0x1005d}, {0x10080, 0x100fa}, {0x10280, 0x1029c}, {0x102a0, 0x102d0},
    {0x10300, 0x1031f}, {0x1032d, 0x10340}, {0x10342, 0x10349}, {0x10350, 0x10375},
    {0x10380, 0x1039d}, {0x103a0, 0x103c3}, {0x103c8, 0x103cf}, {0x10400, 0x1049d},
    {0x104b0, 0x104d3}, {0x104d8, 0x104fb}, {0x10500, 0x10527}, {0x10530, 0x10563},
    {0x10600, 0x10736}, {0x10740, 0x10755}, {0x10760, 0x10767}, {0x10800, 0x10805},
    {0x1080a, 0x10835}, {0x1083f, 0x10855}, {0x10860, 0x10876}, {0x10880, 0x1089e},
    {0x108e0, 0x108f2}, {0x10900, 0x10915}, {0x10920, 0x10939}, {0x10980, 0x109b7},
    {0x10a10, 0x10a13}, {0x10a15, 0x10a17}, {0x10a19, 0x10a35}, {0x10a60, 0x10a7c},
    {0x10a80, 0x10a9c}, {0x10ac0, 0x10ac7}, {0x10ac9, 0x10ae4}, {0x10b00, 0x10b35},
    {0x10b40, 0x10b55}, {0x10b60, 0x10b72}, {0x10b80, 0x10b91}, {0x10c00, 0x10c48},
    {0x10c80, 0x10cb2}, {0x10cc0, 0x10cf2}, {0x10d00, 0x10d23}, {0x10f00, 0x10f1c},
    {0x10f30, 0x10f45}, {0x10fe0, 0x10ff6}, {0x11003, 0x11037}, {0x11083, 0x110af},
    {0x110d0, 0x110e8}, {0x11103, 0x11126}, {0x11150, 0x11172}, {0x11183, 0x111b2},
    {0x111c1, 0x111c4}, {0x11200, 0x11211}, {0x11213, 0x1122b}, {0x11280, 0x11286},
    {0x1128a, 0x1128d}, {0x1128f, 0x1129d}, {0x1129f, 0x112a8}, {0x112b0, 0x112de},
    {0x11305, 0x1130c}, {0x11313, 0x11328}, {0x1132a, 0x11330}, {0x11335, 0x11339},
    {0x1135d, 0x11361}, {0x11400, 0x11434}, {0x11447, 0x1144a}, {0x11480, 0x114af},
    {0x11580, 0x115ae}, {0x115d8, 0x115db}, {0x11600, 0x1162f}, {0x11680, 0x116aa},
    {0x11700, 0x1171a}, {0x11800, 0x1182b}, {0x118a0, 0x118df}, {0x119a0, 0x119a7},
    {0x119aa, 0x119d0}, {0x11a0b, 0x11a32}, {0x11a5c, 0x11a89}, {0x11ac0, 0x11af8},
    {0x11c00, 0x11c08}, {0x11c0a, 0x11c2e}, {0x11c72, 0x11c8f}, {0x11d00, 0x11d06},
    {0x11d0b, 0x11d30}, {0x11d60, 0x11d65}, {0x11d6a, 0x11d89}, {0x11ee0, 0x11ef2},
    {0x12000, 0x12399}, {0x12480, 0x12543}, {0x13000, 0x1342e}, {0x14400, 0x14646},
    {0x16800, 0x16a38}, {0x16a40, 0x16a5e}, {0x16ad0, 0x16aed}, {0x16b00, 0x16b2f},
    {0x16b40, 0x16b43}, {0x16b63, 0x16b77}, {0x16b7d, 0x16b8f}, {0x16e40, 0x16e7f},

    {0x16f00, 0x16f4a}, {0x16f93, 0x16f9f}, {0x17000, 0x187f7}, {0x18800, 0x18af2},
    {0x1b000, 0x1b11e}, {0x1b150, 0x1b152}, {0x1b164, 0x1b167}, {0x1b170, 0x1b2fb},
    {0x1bc00, 0x1bc6a}, {0x1bc70, 0x1bc7c}, {0x1bc80, 0x1bc88}, {0x1bc90, 0x1bc99},
    {0x1d400, 0x1d454}, {0x1d456, 0x1d49c}, {0x1d4a9, 0x1d4ac}, {0x1d4ae, 0x1d4b9},
    {0x1d4bd, 0x1d4c3}, {0x1d4c5, 0x1d505}, {0x1d507, 0x1d50a}, {0x1d50d, 0x1d514},
    {0x1d516, 0x1d51c}, {0x1d51e, 0x1d539}, {0x1d53b, 0x1d53e}, {0x1d540, 0x1d544},
    {0x1d54a, 0x1d550}, {0x1d552, 0x1d6a5}, {0x1d6a8, 0x1d6c0}, {0x1d6c2, 0x1d6da},
    {0x1d6dc, 0x1d6fa}, {0x1d6fc, 0x1d714}, {0x1d716, 0x1d734}, {0x1d736, 0x1d74e},
    {0x1d750, 0x1d76e}, {0x1d770, 0x1d788}, {0x1d78a, 0x1d7a8}, {0x1d7aa, 0x1d7c2},
    {0x1d7c4, 0x1d7cb}, {0x1e100, 0x1e12c}, {0x1e137, 0x1e13d}, {0x1e2c0, 0x1e2eb},
    {0x1e800, 0x1e8c4}, {0x1e900, 0x1e943}, {0x1ee00, 0x1ee03}, {0x1ee05, 0x1ee1f},
    {0x1ee29, 0x1ee32}, {0x1ee34, 0x1ee37}, {0x1ee4d, 0x1ee4f}, {0x1ee67, 0x1ee6a},
    {0x1ee6c, 0x1ee72}, {0x1ee74, 0x1ee77}, {0x1ee79, 0x1ee7c}, {0x1ee80, 0x1ee89},
    {0x1ee8b, 0x1ee9b}, {0x1eea1, 0x1eea3}, {0x1eea5, 0x1eea9}, {0x1eeab, 0x1eebb},
    {0x20000, 0x2a6d6}, {0x2a700, 0x2b734}, {0x2b740, 0x2b81d}, {0x2b820, 0x2cea1},
    {0x2ceb0, 0x2ebe0}, {0x2f800, 0x2fa1d}
#endif
};

#define NUM_ALPHA_RANGE (sizeof(alphaRangeTable)/sizeof(crange))

static const chr alphaCharTable[] = {
    0xaa, 0xb5, 0xba, 0x2ec, 0x2ee, 0x376, 0x377, 0x37f, 0x386,
................................................................................
    0x93d, 0x950, 0x98f, 0x990, 0x9b2, 0x9bd, 0x9ce, 0x9dc, 0x9dd,
    0x9f0, 0x9f1, 0x9fc, 0xa0f, 0xa10, 0xa32, 0xa33, 0xa35, 0xa36,
    0xa38, 0xa39, 0xa5e, 0xab2, 0xab3, 0xabd, 0xad0, 0xae0, 0xae1,
    0xaf9, 0xb0f, 0xb10, 0xb32, 0xb33, 0xb3d, 0xb5c, 0xb5d, 0xb71,
    0xb83, 0xb99, 0xb9a, 0xb9c, 0xb9e, 0xb9f, 0xba3, 0xba4, 0xbd0,
    0xc3d, 0xc60, 0xc61, 0xc80, 0xcbd, 0xcde, 0xce0, 0xce1, 0xcf1,
    0xcf2, 0xd3d, 0xd4e, 0xdbd, 0xe32, 0xe33, 0xe81, 0xe82, 0xe84,

    0xea5, 0xeb2, 0xeb3, 0xebd, 0xec6, 0xf00, 0x103f, 0x1061, 0x1065,
    0x1066, 0x108e, 0x10c7, 0x10cd, 0x1258, 0x12c0, 0x17d7, 0x17dc, 0x18aa,
    0x1aa7, 0x1bae, 0x1baf, 0x1cf5, 0x1cf6, 0x1cfa, 0x1f59, 0x1f5b, 0x1f5d,
    0x1fbe, 0x2071, 0x207f, 0x2102, 0x2107, 0x2115, 0x2124, 0x2126, 0x2128,
    0x214e, 0x2183, 0x2184, 0x2cf2, 0x2cf3, 0x2d27, 0x2d2d, 0x2d6f, 0x2e2f,
    0x3005, 0x3006, 0x303b, 0x303c, 0xa62a, 0xa62b, 0xa8fb, 0xa8fd, 0xa8fe,
    0xa9cf, 0xaa7a, 0xaab1, 0xaab5, 0xaab6, 0xaac0, 0xaac2, 0xfb1d, 0xfb3e,
    0xfb40, 0xfb41, 0xfb43, 0xfb44
#if CHRBITS > 16
    ,0x1003c, 0x1003d, 0x10808, 0x10837, 0x10838, 0x1083c, 0x108f4, 0x108f5, 0x109be,
    0x109bf, 0x10a00, 0x10f27, 0x11144, 0x11176, 0x111da, 0x111dc, 0x11288, 0x1130f,
    0x11310, 0x11332, 0x11333, 0x1133d, 0x11350, 0x1145f, 0x114c4, 0x114c5, 0x114c7,
    0x11644, 0x116b8, 0x118ff, 0x119e1, 0x119e3, 0x11a00, 0x11a3a, 0x11a50, 0x11a9d,
    0x11c40, 0x11d08, 0x11d09, 0x11d46, 0x11d67, 0x11d68, 0x11d98, 0x16f50, 0x16fe0,
    0x16fe1, 0x16fe3, 0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d4bb, 0x1d546,
    0x1e14e, 0x1e94b, 0x1ee21, 0x1ee22, 0x1ee24, 0x1ee27, 0x1ee39, 0x1ee3b, 0x1ee42,
    0x1ee47, 0x1ee49, 0x1ee4b, 0x1ee51, 0x1ee52, 0x1ee54, 0x1ee57, 0x1ee59, 0x1ee5b,
    0x1ee5d, 0x1ee5f, 0x1ee61, 0x1ee62, 0x1ee64, 0x1ee7e
#endif
};

#define NUM_ALPHA_CHAR (sizeof(alphaCharTable)/sizeof(chr))

/*
 * Unicode: control characters.
 */

static const crange controlRangeTable[] = {
    {0x0, 0x1f}, {0x7f, 0x9f}, {0x600, 0x605}, {0x200b, 0x200f},
    {0x202a, 0x202e}, {0x2060, 0x2064}, {0x2066, 0x206f}, {0xe000, 0xf8ff},
    {0xfff9, 0xfffb}
#if CHRBITS > 16
    ,{0x13430, 0x13438}, {0x1bca0, 0x1bca3}, {0x1d173, 0x1d17a}, {0xe0020, 0xe007f},
    {0xf0000, 0xffffd}, {0x100000, 0x10fffd}
#endif
};

#define NUM_CONTROL_RANGE (sizeof(controlRangeTable)/sizeof(crange))

static const chr controlCharTable[] = {
    0xad, 0x61c, 0x6dd, 0x70f, 0x8e2, 0x180e, 0xfeff
#if CHRBITS > 16
    ,0x110bd, 0x110cd, 0xe0001
#endif
};

#define NUM_CONTROL_CHAR (sizeof(controlCharTable)/sizeof(chr))

/*
 * Unicode: decimal digit characters.
................................................................................
    {0xd66, 0xd6f}, {0xde6, 0xdef}, {0xe50, 0xe59}, {0xed0, 0xed9},
    {0xf20, 0xf29}, {0x1040, 0x1049}, {0x1090, 0x1099}, {0x17e0, 0x17e9},
    {0x1810, 0x1819}, {0x1946, 0x194f}, {0x19d0, 0x19d9}, {0x1a80, 0x1a89},
    {0x1a90, 0x1a99}, {0x1b50, 0x1b59}, {0x1bb0, 0x1bb9}, {0x1c40, 0x1c49},
    {0x1c50, 0x1c59}, {0xa620, 0xa629}, {0xa8d0, 0xa8d9}, {0xa900, 0xa909},
    {0xa9d0, 0xa9d9}, {0xa9f0, 0xa9f9}, {0xaa50, 0xaa59}, {0xabf0, 0xabf9},
    {0xff10, 0xff19}
#if CHRBITS > 16
    ,{0x104a0, 0x104a9}, {0x10d30, 0x10d39}, {0x11066, 0x1106f}, {0x110f0, 0x110f9},
    {0x11136, 0x1113f}, {0x111d0, 0x111d9}, {0x112f0, 0x112f9}, {0x11450, 0x11459},
    {0x114d0, 0x114d9}, {0x11650, 0x11659}, {0x116c0, 0x116c9}, {0x11730, 0x11739},
    {0x118e0, 0x118e9}, {0x11c50, 0x11c59}, {0x11d50, 0x11d59}, {0x11da0, 0x11da9},
    {0x16a60, 0x16a69}, {0x16b50, 0x16b59}, {0x1d7ce, 0x1d7ff}, {0x1e140, 0x1e149},
    {0x1e2f0, 0x1e2f9}, {0x1e950, 0x1e959}
#endif
};

#define NUM_DIGIT_RANGE (sizeof(digitRangeTable)/sizeof(crange))

/*
 * no singletons of digit characters.
................................................................................
    {0x55a, 0x55f}, {0x66a, 0x66d}, {0x700, 0x70d}, {0x7f7, 0x7f9},
    {0x830, 0x83e}, {0xf04, 0xf12}, {0xf3a, 0xf3d}, {0xfd0, 0xfd4},
    {0x104a, 0x104f}, {0x1360, 0x1368}, {0x16eb, 0x16ed}, {0x17d4, 0x17d6},
    {0x17d8, 0x17da}, {0x1800, 0x180a}, {0x1aa0, 0x1aa6}, {0x1aa8, 0x1aad},
    {0x1b5a, 0x1b60}, {0x1bfc, 0x1bff}, {0x1c3b, 0x1c3f}, {0x1cc0, 0x1cc7},
    {0x2010, 0x2027}, {0x2030, 0x2043}, {0x2045, 0x2051}, {0x2053, 0x205e},
    {0x2308, 0x230b}, {0x2768, 0x2775}, {0x27e6, 0x27ef}, {0x2983, 0x2998},
    {0x29d8, 0x29db}, {0x2cf9, 0x2cfc}, {0x2e00, 0x2e2e}, {0x2e30, 0x2e4f},
    {0x3001, 0x3003}, {0x3008, 0x3011}, {0x3014, 0x301f}, {0xa60d, 0xa60f},
    {0xa6f2, 0xa6f7}, {0xa874, 0xa877}, {0xa8f8, 0xa8fa}, {0xa9c1, 0xa9cd},
    {0xaa5c, 0xaa5f}, {0xfe10, 0xfe19}, {0xfe30, 0xfe52}, {0xfe54, 0xfe61},
    {0xff01, 0xff03}, {0xff05, 0xff0a}, {0xff0c, 0xff0f}, {0xff3b, 0xff3d},
    {0xff5f, 0xff65}
#if CHRBITS > 16
    ,{0x10100, 0x10102}, {0x10a50, 0x10a58}, {0x10af0, 0x10af6}, {0x10b39, 0x10b3f},
    {0x10b99, 0x10b9c}, {0x10f55, 0x10f59}, {0x11047, 0x1104d}, {0x110be, 0x110c1},
    {0x11140, 0x11143}, {0x111c5, 0x111c8}, {0x111dd, 0x111df}, {0x11238, 0x1123d},
    {0x1144b, 0x1144f}, {0x115c1, 0x115d7}, {0x11641, 0x11643}, {0x11660, 0x1166c},
    {0x1173c, 0x1173e}, {0x11a3f, 0x11a46}, {0x11a9a, 0x11a9c}, {0x11a9e, 0x11aa2},
    {0x11c41, 0x11c45}, {0x12470, 0x12474}, {0x16b37, 0x16b3b}, {0x16e97, 0x16e9a},
    {0x1da87, 0x1da8b}
#endif
};

#define NUM_PUNCT_RANGE (sizeof(punctRangeTable)/sizeof(crange))

static const chr punctCharTable[] = {
    0x3a, 0x3b, 0x3f, 0x40, 0x5f, 0x7b, 0x7d, 0xa1, 0xa7,
    0xab, 0xb6, 0xb7, 0xbb, 0xbf, 0x37e, 0x387, 0x589, 0x58a,
    0x5be, 0x5c0, 0x5c3, 0x5c6, 0x5f3, 0x5f4, 0x609, 0x60a, 0x60c,
    0x60d, 0x61b, 0x61e, 0x61f, 0x6d4, 0x85e, 0x964, 0x965, 0x970,
    0x9fd, 0xa76, 0xaf0, 0xc77, 0xc84, 0xdf4, 0xe4f, 0xe5a, 0xe5b,
    0xf14, 0xf85, 0xfd9, 0xfda, 0x10fb, 0x1400, 0x166e, 0x169b, 0x169c,
    0x1735, 0x1736, 0x1944, 0x1945, 0x1a1e, 0x1a1f, 0x1c7e, 0x1c7f, 0x1cd3,
    0x207d, 0x207e, 0x208d, 0x208e, 0x2329, 0x232a, 0x27c5, 0x27c6, 0x29fc,
    0x29fd, 0x2cfe, 0x2cff, 0x2d70, 0x3030, 0x303d, 0x30a0, 0x30fb, 0xa4fe,
    0xa4ff, 0xa673, 0xa67e, 0xa8ce, 0xa8cf, 0xa8fc, 0xa92e, 0xa92f, 0xa95f,
    0xa9de, 0xa9df, 0xaade, 0xaadf, 0xaaf0, 0xaaf1, 0xabeb, 0xfd3e, 0xfd3f,
    0xfe63, 0xfe68, 0xfe6a, 0xfe6b, 0xff1a, 0xff1b, 0xff1f, 0xff20, 0xff3f,
    0xff5b, 0xff5d
#if CHRBITS > 16
    ,0x1039f, 0x103d0, 0x1056f, 0x10857, 0x1091f, 0x1093f, 0x10a7f, 0x110bb, 0x110bc,
    0x11174, 0x11175, 0x111cd, 0x111db, 0x112a9, 0x1145b, 0x1145d, 0x114c6, 0x1183b,
    0x119e2, 0x11c70, 0x11c71, 0x11ef7, 0x11ef8, 0x11fff, 0x16a6e, 0x16a6f, 0x16af5,
    0x16b44, 0x16fe2, 0x1bc9f, 0x1e95e, 0x1e95f
#endif
};

#define NUM_PUNCT_CHAR (sizeof(punctCharTable)/sizeof(chr))

/*
 * Unicode: white space characters.
................................................................................
 * Unicode: lowercase characters.
 */

static const crange lowerRangeTable[] = {
    {0x61, 0x7a}, {0xdf, 0xf6}, {0xf8, 0xff}, {0x17e, 0x180},
    {0x199, 0x19b}, {0x1bd, 0x1bf}, {0x233, 0x239}, {0x24f, 0x293},
    {0x295, 0x2af}, {0x37b, 0x37d}, {0x3ac, 0x3ce}, {0x3d5, 0x3d7},
    {0x3ef, 0x3f3}, {0x430, 0x45f}, {0x560, 0x588}, {0x10d0, 0x10fa},
    {0x10fd, 0x10ff}, {0x13f8, 0x13fd}, {0x1c80, 0x1c88}, {0x1d00, 0x1d2b},
    {0x1d6b, 0x1d77}, {0x1d79, 0x1d9a}, {0x1e95, 0x1e9d}, {0x1eff, 0x1f07},
    {0x1f10, 0x1f15}, {0x1f20, 0x1f27}, {0x1f30, 0x1f37}, {0x1f40, 0x1f45},
    {0x1f50, 0x1f57}, {0x1f60, 0x1f67}, {0x1f70, 0x1f7d}, {0x1f80, 0x1f87},
    {0x1f90, 0x1f97}, {0x1fa0, 0x1fa7}, {0x1fb0, 0x1fb4}, {0x1fc2, 0x1fc4},
    {0x1fd0, 0x1fd3}, {0x1fe0, 0x1fe7}, {0x1ff2, 0x1ff4}, {0x2146, 0x2149},
    {0x2c30, 0x2c5e}, {0x2c76, 0x2c7b}, {0x2d00, 0x2d25}, {0xa72f, 0xa731},
    {0xa771, 0xa778}, {0xa793, 0xa795}, {0xab30, 0xab5a}, {0xab60, 0xab67},
    {0xab70, 0xabbf}, {0xfb00, 0xfb06}, {0xfb13, 0xfb17}, {0xff41, 0xff5a}
#if CHRBITS > 16
    ,{0x10428, 0x1044f}, {0x104d8, 0x104fb}, {0x10cc0, 0x10cf2}, {0x118c0, 0x118df},
    {0x16e60, 0x16e7f}, {0x1d41a, 0x1d433}, {0x1d44e, 0x1d454}, {0x1d456, 0x1d467},
    {0x1d482, 0x1d49b}, {0x1d4b6, 0x1d4b9}, {0x1d4bd, 0x1d4c3}, {0x1d4c5, 0x1d4cf},
    {0x1d4ea, 0x1d503}, {0x1d51e, 0x1d537}, {0x1d552, 0x1d56b}, {0x1d586, 0x1d59f},
    {0x1d5ba, 0x1d5d3}, {0x1d5ee, 0x1d607}, {0x1d622, 0x1d63b}, {0x1d656, 0x1d66f},
    {0x1d68a, 0x1d6a5}, {0x1d6c2, 0x1d6da}, {0x1d6dc, 0x1d6e1}, {0x1d6fc, 0x1d714},
    {0x1d716, 0x1d71b}, {0x1d736, 0x1d74e}, {0x1d750, 0x1d755}, {0x1d770, 0x1d788},
    {0x1d78a, 0x1d78f}, {0x1d7aa, 0x1d7c2}, {0x1d7c4, 0x1d7c9}, {0x1e922, 0x1e943}
#endif
};

#define NUM_LOWER_RANGE (sizeof(lowerRangeTable)/sizeof(crange))

static const chr lowerCharTable[] = {
    0xb5, 0x101, 0x103, 0x105, 0x107, 0x109, 0x10b, 0x10d, 0x10f,
................................................................................
    0xa691, 0xa693, 0xa695, 0xa697, 0xa699, 0xa69b, 0xa723, 0xa725, 0xa727,
    0xa729, 0xa72b, 0xa72d, 0xa733, 0xa735, 0xa737, 0xa739, 0xa73b, 0xa73d,
    0xa73f, 0xa741, 0xa743, 0xa745, 0xa747, 0xa749, 0xa74b, 0xa74d, 0xa74f,
    0xa751, 0xa753, 0xa755, 0xa757, 0xa759, 0xa75b, 0xa75d, 0xa75f, 0xa761,
    0xa763, 0xa765, 0xa767, 0xa769, 0xa76b, 0xa76d, 0xa76f, 0xa77a, 0xa77c,
    0xa77f, 0xa781, 0xa783, 0xa785, 0xa787, 0xa78c, 0xa78e, 0xa791, 0xa797,
    0xa799, 0xa79b, 0xa79d, 0xa79f, 0xa7a1, 0xa7a3, 0xa7a5, 0xa7a7, 0xa7a9,
    0xa7af, 0xa7b5, 0xa7b7, 0xa7b9, 0xa7bb, 0xa7bd, 0xa7bf, 0xa7c3, 0xa7fa
#if CHRBITS > 16
    ,0x1d4bb, 0x1d7cb
#endif
};

#define NUM_LOWER_CHAR (sizeof(lowerCharTable)/sizeof(chr))

/*
................................................................................
 */

static const crange upperRangeTable[] = {
    {0x41, 0x5a}, {0xc0, 0xd6}, {0xd8, 0xde}, {0x189, 0x18b},
    {0x18e, 0x191}, {0x196, 0x198}, {0x1b1, 0x1b3}, {0x1f6, 0x1f8},
    {0x243, 0x246}, {0x388, 0x38a}, {0x391, 0x3a1}, {0x3a3, 0x3ab},
    {0x3d2, 0x3d4}, {0x3fd, 0x42f}, {0x531, 0x556}, {0x10a0, 0x10c5},
    {0x13a0, 0x13f5}, {0x1c90, 0x1cba}, {0x1cbd, 0x1cbf}, {0x1f08, 0x1f0f},
    {0x1f18, 0x1f1d}, {0x1f28, 0x1f2f}, {0x1f38, 0x1f3f}, {0x1f48, 0x1f4d},
    {0x1f68, 0x1f6f}, {0x1fb8, 0x1fbb}, {0x1fc8, 0x1fcb}, {0x1fd8, 0x1fdb},
    {0x1fe8, 0x1fec}, {0x1ff8, 0x1ffb}, {0x210b, 0x210d}, {0x2110, 0x2112},
    {0x2119, 0x211d}, {0x212a, 0x212d}, {0x2130, 0x2133}, {0x2c00, 0x2c2e},
    {0x2c62, 0x2c64}, {0x2c6d, 0x2c70}, {0x2c7e, 0x2c80}, {0xa7aa, 0xa7ae},
    {0xa7b0, 0xa7b4}, {0xa7c4, 0xa7c6}, {0xff21, 0xff3a}
#if CHRBITS > 16
    ,{0x10400, 0x10427}, {0x104b0, 0x104d3}, {0x10c80, 0x10cb2}, {0x118a0, 0x118bf},
    {0x16e40, 0x16e5f}, {0x1d400, 0x1d419}, {0x1d434, 0x1d44d}, {0x1d468, 0x1d481},
    {0x1d4a9, 0x1d4ac}, {0x1d4ae, 0x1d4b5}, {0x1d4d0, 0x1d4e9}, {0x1d507, 0x1d50a},
    {0x1d50d, 0x1d514}, {0x1d516, 0x1d51c}, {0x1d53b, 0x1d53e}, {0x1d540, 0x1d544},
    {0x1d54a, 0x1d550}, {0x1d56c, 0x1d585}, {0x1d5a0, 0x1d5b9}, {0x1d5d4, 0x1d5ed},
    {0x1d608, 0x1d621}, {0x1d63c, 0x1d655}, {0x1d670, 0x1d689}, {0x1d6a8, 0x1d6c0},
    {0x1d6e2, 0x1d6fa}, {0x1d71c, 0x1d734}, {0x1d756, 0x1d76e}, {0x1d790, 0x1d7a8},
    {0x1e900, 0x1e921}
#endif
};

#define NUM_UPPER_RANGE (sizeof(upperRangeTable)/sizeof(crange))

static const chr upperCharTable[] = {
    0x100, 0x102, 0x104, 0x106, 0x108, 0x10a, 0x10c, 0x10e, 0x110,
................................................................................
    0xa686, 0xa688, 0xa68a, 0xa68c, 0xa68e, 0xa690, 0xa692, 0xa694, 0xa696,
    0xa698, 0xa69a, 0xa722, 0xa724, 0xa726, 0xa728, 0xa72a, 0xa72c, 0xa72e,
    0xa732, 0xa734, 0xa736, 0xa738, 0xa73a, 0xa73c, 0xa73e, 0xa740, 0xa742,
    0xa744, 0xa746, 0xa748, 0xa74a, 0xa74c, 0xa74e, 0xa750, 0xa752, 0xa754,
    0xa756, 0xa758, 0xa75a, 0xa75c, 0xa75e, 0xa760, 0xa762, 0xa764, 0xa766,
    0xa768, 0xa76a, 0xa76c, 0xa76e, 0xa779, 0xa77b, 0xa77d, 0xa77e, 0xa780,
    0xa782, 0xa784, 0xa786, 0xa78b, 0xa78d, 0xa790, 0xa792, 0xa796, 0xa798,
    0xa79a, 0xa79c, 0xa79e, 0xa7a0, 0xa7a2, 0xa7a4, 0xa7a6, 0xa7a8, 0xa7b6,
    0xa7b8, 0xa7ba, 0xa7bc, 0xa7be, 0xa7c2
#if CHRBITS > 16
    ,0x1d49c, 0x1d49e, 0x1d49f, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d504, 0x1d505, 0x1d538,
    0x1d539, 0x1d546, 0x1d7ca
#endif
};

#define NUM_UPPER_CHAR (sizeof(upperCharTable)/sizeof(chr))

................................................................................
/*
 * Unicode: unicode print characters excluding space.
 */

static const crange graphRangeTable[] = {
    {0x21, 0x7e}, {0xa1, 0xac}, {0xae, 0x377}, {0x37a, 0x37f},
    {0x384, 0x38a}, {0x38e, 0x3a1}, {0x3a3, 0x52f}, {0x531, 0x556},
    {0x559, 0x58a}, {0x58d, 0x58f}, {0x591, 0x5c7}, {0x5d0, 0x5ea},
    {0x5ef, 0x5f4}, {0x606, 0x61b}, {0x61e, 0x6dc}, {0x6de, 0x70d},
    {0x710, 0x74a}, {0x74d, 0x7b1}, {0x7c0, 0x7fa}, {0x7fd, 0x82d},
    {0x830, 0x83e}, {0x840, 0x85b}, {0x860, 0x86a}, {0x8a0, 0x8b4},
    {0x8b6, 0x8bd}, {0x8d3, 0x8e1}, {0x8e3, 0x983}, {0x985, 0x98c},
    {0x993, 0x9a8}, {0x9aa, 0x9b0}, {0x9b6, 0x9b9}, {0x9bc, 0x9c4},
    {0x9cb, 0x9ce}, {0x9df, 0x9e3}, {0x9e6, 0x9fe}, {0xa01, 0xa03},
    {0xa05, 0xa0a}, {0xa13, 0xa28}, {0xa2a, 0xa30}, {0xa3e, 0xa42},
    {0xa4b, 0xa4d}, {0xa59, 0xa5c}, {0xa66, 0xa76}, {0xa81, 0xa83},
    {0xa85, 0xa8d}, {0xa8f, 0xa91}, {0xa93, 0xaa8}, {0xaaa, 0xab0},
    {0xab5, 0xab9}, {0xabc, 0xac5}, {0xac7, 0xac9}, {0xacb, 0xacd},
    {0xae0, 0xae3}, {0xae6, 0xaf1}, {0xaf9, 0xaff}, {0xb01, 0xb03},
    {0xb05, 0xb0c}, {0xb13, 0xb28}, {0xb2a, 0xb30}, {0xb35, 0xb39},
    {0xb3c, 0xb44}, {0xb4b, 0xb4d}, {0xb5f, 0xb63}, {0xb66, 0xb77},
    {0xb85, 0xb8a}, {0xb8e, 0xb90}, {0xb92, 0xb95}, {0xba8, 0xbaa},
    {0xbae, 0xbb9}, {0xbbe, 0xbc2}, {0xbc6, 0xbc8}, {0xbca, 0xbcd},
    {0xbe6, 0xbfa}, {0xc00, 0xc0c}, {0xc0e, 0xc10}, {0xc12, 0xc28},
    {0xc2a, 0xc39}, {0xc3d, 0xc44}, {0xc46, 0xc48}, {0xc4a, 0xc4d},
    {0xc58, 0xc5a}, {0xc60, 0xc63}, {0xc66, 0xc6f}, {0xc77, 0xc8c},

    {0xc8e, 0xc90}, {0xc92, 0xca8}, {0xcaa, 0xcb3}, {0xcb5, 0xcb9},
    {0xcbc, 0xcc4}, {0xcc6, 0xcc8}, {0xcca, 0xccd}, {0xce0, 0xce3},
    {0xce6, 0xcef}, {0xd00, 0xd03}, {0xd05, 0xd0c}, {0xd0e, 0xd10},
    {0xd12, 0xd44}, {0xd46, 0xd48}, {0xd4a, 0xd4f}, {0xd54, 0xd63},
    {0xd66, 0xd7f}, {0xd85, 0xd96}, {0xd9a, 0xdb1}, {0xdb3, 0xdbb},
    {0xdc0, 0xdc6}, {0xdcf, 0xdd4}, {0xdd8, 0xddf}, {0xde6, 0xdef},
    {0xdf2, 0xdf4}, {0xe01, 0xe3a}, {0xe3f, 0xe5b}, {0xe86, 0xe8a},

    {0xe8c, 0xea3}, {0xea7, 0xebd}, {0xec0, 0xec4}, {0xec8, 0xecd},
    {0xed0, 0xed9}, {0xedc, 0xedf}, {0xf00, 0xf47}, {0xf49, 0xf6c},
    {0xf71, 0xf97}, {0xf99, 0xfbc}, {0xfbe, 0xfcc}, {0xfce, 0xfda},
    {0x1000, 0x10c5}, {0x10d0, 0x1248}, {0x124a, 0x124d}, {0x1250, 0x1256},
    {0x125a, 0x125d}, {0x1260, 0x1288}, {0x128a, 0x128d}, {0x1290, 0x12b0},
    {0x12b2, 0x12b5}, {0x12b8, 0x12be}, {0x12c2, 0x12c5}, {0x12c8, 0x12d6},
    {0x12d8, 0x1310}, {0x1312, 0x1315}, {0x1318, 0x135a}, {0x135d, 0x137c},
    {0x1380, 0x1399}, {0x13a0, 0x13f5}, {0x13f8, 0x13fd}, {0x1400, 0x167f},
    {0x1681, 0x169c}, {0x16a0, 0x16f8}, {0x1700, 0x170c}, {0x170e, 0x1714},
    {0x1720, 0x1736}, {0x1740, 0x1753}, {0x1760, 0x176c}, {0x176e, 0x1770},
    {0x1780, 0x17dd}, {0x17e0, 0x17e9}, {0x17f0, 0x17f9}, {0x1800, 0x180d},
    {0x1810, 0x1819}, {0x1820, 0x1878}, {0x1880, 0x18aa}, {0x18b0, 0x18f5},
    {0x1900, 0x191e}, {0x1920, 0x192b}, {0x1930, 0x193b}, {0x1944, 0x196d},
    {0x1970, 0x1974}, {0x1980, 0x19ab}, {0x19b0, 0x19c9}, {0x19d0, 0x19da},
    {0x19de, 0x1a1b}, {0x1a1e, 0x1a5e}, {0x1a60, 0x1a7c}, {0x1a7f, 0x1a89},
    {0x1a90, 0x1a99}, {0x1aa0, 0x1aad}, {0x1ab0, 0x1abe}, {0x1b00, 0x1b4b},
    {0x1b50, 0x1b7c}, {0x1b80, 0x1bf3}, {0x1bfc, 0x1c37}, {0x1c3b, 0x1c49},

    {0x1c4d, 0x1c88}, {0x1c90, 0x1cba}, {0x1cbd, 0x1cc7}, {0x1cd0, 0x1cfa},
    {0x1d00, 0x1df9}, {0x1dfb, 0x1f15}, {0x1f18, 0x1f1d}, {0x1f20, 0x1f45},
    {0x1f48, 0x1f4d}, {0x1f50, 0x1f57}, {0x1f5f, 0x1f7d}, {0x1f80, 0x1fb4},
    {0x1fb6, 0x1fc4}, {0x1fc6, 0x1fd3}, {0x1fd6, 0x1fdb}, {0x1fdd, 0x1fef},
    {0x1ff2, 0x1ff4}, {0x1ff6, 0x1ffe}, {0x2010, 0x2027}, {0x2030, 0x205e},
    {0x2074, 0x208e}, {0x2090, 0x209c}, {0x20a0, 0x20bf}, {0x20d0, 0x20f0},
    {0x2100, 0x218b}, {0x2190, 0x2426}, {0x2440, 0x244a}, {0x2460, 0x2b73},

    {0x2b76, 0x2b95}, {0x2b98, 0x2c2e}, {0x2c30, 0x2c5e}, {0x2c60, 0x2cf3},
    {0x2cf9, 0x2d25}, {0x2d30, 0x2d67}, {0x2d7f, 0x2d96}, {0x2da0, 0x2da6},
    {0x2da8, 0x2dae}, {0x2db0, 0x2db6}, {0x2db8, 0x2dbe}, {0x2dc0, 0x2dc6},
    {0x2dc8, 0x2dce}, {0x2dd0, 0x2dd6}, {0x2dd8, 0x2dde}, {0x2de0, 0x2e4f},
    {0x2e80, 0x2e99}, {0x2e9b, 0x2ef3}, {0x2f00, 0x2fd5}, {0x2ff0, 0x2ffb},
    {0x3001, 0x303f}, {0x3041, 0x3096}, {0x3099, 0x30ff}, {0x3105, 0x312f},
    {0x3131, 0x318e}, {0x3190, 0x31ba}, {0x31c0, 0x31e3}, {0x31f0, 0x321e},
    {0x3220, 0x32fe}, {0x3300, 0x4db5}, {0x4dc0, 0x9fef}, {0xa000, 0xa48c},
    {0xa490, 0xa4c6}, {0xa4d0, 0xa62b}, {0xa640, 0xa6f7}, {0xa700, 0xa7bf},
    {0xa7c2, 0xa7c6}, {0xa7f7, 0xa82b}, {0xa830, 0xa839}, {0xa840, 0xa877},
    {0xa880, 0xa8c5}, {0xa8ce, 0xa8d9}, {0xa8e0, 0xa953}, {0xa95f, 0xa97c},
    {0xa980, 0xa9cd}, {0xa9cf, 0xa9d9}, {0xa9de, 0xa9fe}, {0xaa00, 0xaa36},
    {0xaa40, 0xaa4d}, {0xaa50, 0xaa59}, {0xaa5c, 0xaac2}, {0xaadb, 0xaaf6},
    {0xab01, 0xab06}, {0xab09, 0xab0e}, {0xab11, 0xab16}, {0xab20, 0xab26},
    {0xab28, 0xab2e}, {0xab30, 0xab67}, {0xab70, 0xabed}, {0xabf0, 0xabf9},
    {0xac00, 0xd7a3}, {0xd7b0, 0xd7c6}, {0xd7cb, 0xd7fb}, {0xf900, 0xfa6d},




    {0xfa70, 0xfad9}, {0xfb00, 0xfb06}, {0xfb13, 0xfb17}, {0xfb1d, 0xfb36},
    {0xfb38, 0xfb3c}, {0xfb46, 0xfbc1}, {0xfbd3, 0xfd3f}, {0xfd50, 0xfd8f},
    {0xfd92, 0xfdc7}, {0xfdf0, 0xfdfd}, {0xfe00, 0xfe19}, {0xfe20, 0xfe52},
    {0xfe54, 0xfe66}, {0xfe68, 0xfe6b}, {0xfe70, 0xfe74}, {0xfe76, 0xfefc},
    {0xff01, 0xffbe}, {0xffc2, 0xffc7}, {0xffca, 0xffcf}, {0xffd2, 0xffd7},
    {0xffda, 0xffdc}, {0xffe0, 0xffe6}, {0xffe8, 0xffee}

#if CHRBITS > 16
    ,{0x10000, 0x1000b}, {0x1000d, 0x10026}, {0x10028, 0x1003a}, {0x1003f, 0x1004d},
    {0x10050, 0x1005d}, {0x10080, 0x100fa}, {0x10100, 0x10102}, {0x10107, 0x10133},
    {0x10137, 0x1018e}, {0x10190, 0x1019b}, {0x101d0, 0x101fd}, {0x10280, 0x1029c},
    {0x102a0, 0x102d0}, {0x102e0, 0x102fb}, {0x10300, 0x10323}, {0x1032d, 0x1034a},
    {0x10350, 0x1037a}, {0x10380, 0x1039d}, {0x1039f, 0x103c3}, {0x103c8, 0x103d5},
    {0x10400, 0x1049d}, {0x104a0, 0x104a9}, {0x104b0, 0x104d3}, {0x104d8, 0x104fb},
    {0x10500, 0x10527}, {0x10530, 0x10563}, {0x10600, 0x10736}, {0x10740, 0x10755},
    {0x10760, 0x10767}, {0x10800, 0x10805}, {0x1080a, 0x10835}, {0x1083f, 0x10855},
    {0x10857, 0x1089e}, {0x108a7, 0x108af}, {0x108e0, 0x108f2}, {0x108fb, 0x1091b},
    {0x1091f, 0x10939}, {0x10980, 0x109b7}, {0x109bc, 0x109cf}, {0x109d2, 0x10a03},
    {0x10a0c, 0x10a13}, {0x10a15, 0x10a17}, {0x10a19, 0x10a35}, {0x10a38, 0x10a3a},
    {0x10a3f, 0x10a48}, {0x10a50, 0x10a58}, {0x10a60, 0x10a9f}, {0x10ac0, 0x10ae6},
    {0x10aeb, 0x10af6}, {0x10b00, 0x10b35}, {0x10b39, 0x10b55}, {0x10b58, 0x10b72},
    {0x10b78, 0x10b91}, {0x10b99, 0x10b9c}, {0x10ba9, 0x10baf}, {0x10c00, 0x10c48},
    {0x10c80, 0x10cb2}, {0x10cc0, 0x10cf2}, {0x10cfa, 0x10d27}, {0x10d30, 0x10d39},
    {0x10e60, 0x10e7e}, {0x10f00, 0x10f27}, {0x10f30, 0x10f59}, {0x10fe0, 0x10ff6},
    {0x11000, 0x1104d}, {0x11052, 0x1106f}, {0x1107f, 0x110bc}, {0x110be, 0x110c1},
    {0x110d0, 0x110e8}, {0x110f0, 0x110f9}, {0x11100, 0x11134}, {0x11136, 0x11146},
    {0x11150, 0x11176}, {0x11180, 0x111cd}, {0x111d0, 0x111df}, {0x111e1, 0x111f4},
    {0x11200, 0x11211}, {0x11213, 0x1123e}, {0x11280, 0x11286}, {0x1128a, 0x1128d},
    {0x1128f, 0x1129d}, {0x1129f, 0x112a9}, {0x112b0, 0x112ea}, {0x112f0, 0x112f9},
    {0x11300, 0x11303}, {0x11305, 0x1130c}, {0x11313, 0x11328}, {0x1132a, 0x11330},
    {0x11335, 0x11339}, {0x1133b, 0x11344}, {0x1134b, 0x1134d}, {0x1135d, 0x11363},
    {0x11366, 0x1136c}, {0x11370, 0x11374}, {0x11400, 0x11459}, {0x1145d, 0x1145f},
    {0x11480, 0x114c7}, {0x114d0, 0x114d9}, {0x11580, 0x115b5}, {0x115b8, 0x115dd},
    {0x11600, 0x11644}, {0x11650, 0x11659}, {0x11660, 0x1166c}, {0x11680, 0x116b8},
    {0x116c0, 0x116c9}, {0x11700, 0x1171a}, {0x1171d, 0x1172b}, {0x11730, 0x1173f},
    {0x11800, 0x1183b}, {0x118a0, 0x118f2}, {0x119a0, 0x119a7}, {0x119aa, 0x119d7},
    {0x119da, 0x119e4}, {0x11a00, 0x11a47}, {0x11a50, 0x11aa2}, {0x11ac0, 0x11af8},
    {0x11c00, 0x11c08}, {0x11c0a, 0x11c36}, {0x11c38, 0x11c45}, {0x11c50, 0x11c6c},
    {0x11c70, 0x11c8f}, {0x11c92, 0x11ca7}, {0x11ca9, 0x11cb6}, {0x11d00, 0x11d06},
    {0x11d0b, 0x11d36}, {0x11d3f, 0x11d47}, {0x11d50, 0x11d59}, {0x11d60, 0x11d65},
    {0x11d6a, 0x11d8e}, {0x11d93, 0x11d98}, {0x11da0, 0x11da9}, {0x11ee0, 0x11ef8},
    {0x11fc0, 0x11ff1}, {0x11fff, 0x12399}, {0x12400, 0x1246e}, {0x12470, 0x12474},
    {0x12480, 0x12543}, {0x13000, 0x1342e}, {0x14400, 0x14646}, {0x16800, 0x16a38},
    {0x16a40, 0x16a5e}, {0x16a60, 0x16a69}, {0x16ad0, 0x16aed}, {0x16af0, 0x16af5},
    {0x16b00, 0x16b45}, {0x16b50, 0x16b59}, {0x16b5b, 0x16b61}, {0x16b63, 0x16b77},


    {0x16b7d, 0x16b8f}, {0x16e40, 0x16e9a}, {0x16f00, 0x16f4a}, {0x16f4f, 0x16f87},
    {0x16f8f, 0x16f9f}, {0x16fe0, 0x16fe3}, {0x17000, 0x187f7}, {0x18800, 0x18af2},
    {0x1b000, 0x1b11e}, {0x1b150, 0x1b152}, {0x1b164, 0x1b167}, {0x1b170, 0x1b2fb},
    {0x1bc00, 0x1bc6a}, {0x1bc70, 0x1bc7c}, {0x1bc80, 0x1bc88}, {0x1bc90, 0x1bc99},
    {0x1bc9c, 0x1bc9f}, {0x1d000, 0x1d0f5}, {0x1d100, 0x1d126}, {0x1d129, 0x1d172},

    {0x1d17b, 0x1d1e8}, {0x1d200, 0x1d245}, {0x1d2e0, 0x1d2f3}, {0x1d300, 0x1d356},
    {0x1d360, 0x1d378}, {0x1d400, 0x1d454}, {0x1d456, 0x1d49c}, {0x1d4a9, 0x1d4ac},
    {0x1d4ae, 0x1d4b9}, {0x1d4bd, 0x1d4c3}, {0x1d4c5, 0x1d505}, {0x1d507, 0x1d50a},
    {0x1d50d, 0x1d514}, {0x1d516, 0x1d51c}, {0x1d51e, 0x1d539}, {0x1d53b, 0x1d53e},
    {0x1d540, 0x1d544}, {0x1d54a, 0x1d550}, {0x1d552, 0x1d6a5}, {0x1d6a8, 0x1d7cb},
    {0x1d7ce, 0x1da8b}, {0x1da9b, 0x1da9f}, {0x1daa1, 0x1daaf}, {0x1e000, 0x1e006},
    {0x1e008, 0x1e018}, {0x1e01b, 0x1e021}, {0x1e026, 0x1e02a}, {0x1e100, 0x1e12c},
    {0x1e130, 0x1e13d}, {0x1e140, 0x1e149}, {0x1e2c0, 0x1e2f9}, {0x1e800, 0x1e8c4},
    {0x1e8c7, 0x1e8d6}, {0x1e900, 0x1e94b}, {0x1e950, 0x1e959}, {0x1ec71, 0x1ecb4},
    {0x1ed01, 0x1ed3d}, {0x1ee00, 0x1ee03}, {0x1ee05, 0x1ee1f}, {0x1ee29, 0x1ee32},
    {0x1ee34, 0x1ee37}, {0x1ee4d, 0x1ee4f}, {0x1ee67, 0x1ee6a}, {0x1ee6c, 0x1ee72},
    {0x1ee74, 0x1ee77}, {0x1ee79, 0x1ee7c}, {0x1ee80, 0x1ee89}, {0x1ee8b, 0x1ee9b},
    {0x1eea1, 0x1eea3}, {0x1eea5, 0x1eea9}, {0x1eeab, 0x1eebb}, {0x1f000, 0x1f02b},
    {0x1f030, 0x1f093}, {0x1f0a0, 0x1f0ae}, {0x1f0b1, 0x1f0bf}, {0x1f0c1, 0x1f0cf},
    {0x1f0d1, 0x1f0f5}, {0x1f100, 0x1f10c}, {0x1f110, 0x1f16c}, {0x1f170, 0x1f1ac},
    {0x1f1e6, 0x1f202}, {0x1f210, 0x1f23b}, {0x1f240, 0x1f248}, {0x1f260, 0x1f265},
    {0x1f300, 0x1f6d5}, {0x1f6e0, 0x1f6ec}, {0x1f6f0, 0x1f6fa}, {0x1f700, 0x1f773},

    {0x1f780, 0x1f7d8}, {0x1f7e0, 0x1f7eb}, {0x1f800, 0x1f80b}, {0x1f810, 0x1f847},
    {0x1f850, 0x1f859}, {0x1f860, 0x1f887}, {0x1f890, 0x1f8ad}, {0x1f900, 0x1f90b},

    {0x1f90d, 0x1f971}, {0x1f973, 0x1f976}, {0x1f97a, 0x1f9a2}, {0x1f9a5, 0x1f9aa},
    {0x1f9ae, 0x1f9ca}, {0x1f9cd, 0x1fa53}, {0x1fa60, 0x1fa6d}, {0x1fa70, 0x1fa73},
    {0x1fa78, 0x1fa7a}, {0x1fa80, 0x1fa82}, {0x1fa90, 0x1fa95}, {0x20000, 0x2a6d6},
    {0x2a700, 0x2b734}, {0x2b740, 0x2b81d}, {0x2b820, 0x2cea1}, {0x2ceb0, 0x2ebe0},
    {0x2f800, 0x2fa1d}, {0xe0100, 0xe01ef}
#endif
};

#define NUM_GRAPH_RANGE (sizeof(graphRangeTable)/sizeof(crange))

static const chr graphCharTable[] = {
    0x38c, 0x85e, 0x98f, 0x990, 0x9b2, 0x9c7, 0x9c8, 0x9d7, 0x9dc,
    0x9dd, 0xa0f, 0xa10, 0xa32, 0xa33, 0xa35, 0xa36, 0xa38, 0xa39,
    0xa3c, 0xa47, 0xa48, 0xa51, 0xa5e, 0xab2, 0xab3, 0xad0, 0xb0f,
    0xb10, 0xb32, 0xb33, 0xb47, 0xb48, 0xb56, 0xb57, 0xb5c, 0xb5d,
    0xb82, 0xb83, 0xb99, 0xb9a, 0xb9c, 0xb9e, 0xb9f, 0xba3, 0xba4,
    0xbd0, 0xbd7, 0xc55, 0xc56, 0xcd5, 0xcd6, 0xcde, 0xcf1, 0xcf2,
    0xd82, 0xd83, 0xdbd, 0xdca, 0xdd6, 0xe81, 0xe82, 0xe84, 0xea5,

    0xec6, 0x10c7, 0x10cd, 0x1258, 0x12c0, 0x1772, 0x1773, 0x1940, 0x1f59,
    0x1f5b, 0x1f5d, 0x2070, 0x2071, 0x2d27, 0x2d2d, 0x2d6f, 0x2d70, 0xfb3e,
    0xfb40, 0xfb41, 0xfb43, 0xfb44, 0xfffc, 0xfffd
#if CHRBITS > 16
    ,0x1003c, 0x1003d, 0x101a0, 0x1056f, 0x10808, 0x10837, 0x10838, 0x1083c, 0x108f4,
    0x108f5, 0x1093f, 0x10a05, 0x10a06, 0x11288, 0x1130f, 0x11310, 0x11332, 0x11333,
    0x11347, 0x11348, 0x11350, 0x11357, 0x1145b, 0x118ff, 0x11d08, 0x11d09, 0x11d3a,
    0x11d3c, 0x11d3d, 0x11d67, 0x11d68, 0x11d90, 0x11d91, 0x16a6e, 0x16a6f, 0x1d49e,
    0x1d49f, 0x1d4a2, 0x1d4a5, 0x1d4a6, 0x1d4bb, 0x1d546, 0x1e023, 0x1e024, 0x1e14e,
    0x1e14f, 0x1e2ff, 0x1e95e, 0x1e95f, 0x1ee21, 0x1ee22, 0x1ee24, 0x1ee27, 0x1ee39,
    0x1ee3b, 0x1ee42, 0x1ee47, 0x1ee49, 0x1ee4b, 0x1ee51, 0x1ee52, 0x1ee54, 0x1ee57,
    0x1ee59, 0x1ee5b, 0x1ee5d, 0x1ee5f, 0x1ee61, 0x1ee62, 0x1ee64, 0x1ee7e, 0x1eef0,
    0x1eef1, 0x1f250, 0x1f251
#endif
};

#define NUM_GRAPH_CHAR (sizeof(graphCharTable)/sizeof(chr))

/*
 *	End of auto-generated Unicode character ranges declarations.

Changes to generic/tcl.decls.

465
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479
....
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2372




2373
2374
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2376
2377
2378
2379
}
declare 128 {
    CONST84_RETURN char *Tcl_ErrnoMsg(int err)
}
declare 129 {
    int Tcl_Eval(Tcl_Interp *interp, const char *script)
}
# This is obsolete, use Tcl_FSEvalFile
declare 130 {
    int Tcl_EvalFile(Tcl_Interp *interp, const char *fileName)
}
declare 131 {
    int Tcl_EvalObj(Tcl_Interp *interp, Tcl_Obj *objPtr)
}
declare 132 {
................................................................................
##############################################################################

# Public functions that are not accessible via the stubs table.

export {
    void Tcl_Main(int argc, char **argv, Tcl_AppInitProc *appInitProc)
}




export {
    const char *Tcl_InitStubs(Tcl_Interp *interp, const char *version,
	int exact)
}
export {
    const char *TclTomMathInitializeStubs(Tcl_Interp* interp,
	const char* version, int epoch, int revision)






<







 







>
>
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>







465
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}
declare 128 {
    CONST84_RETURN char *Tcl_ErrnoMsg(int err)
}
declare 129 {
    int Tcl_Eval(Tcl_Interp *interp, const char *script)
}

declare 130 {
    int Tcl_EvalFile(Tcl_Interp *interp, const char *fileName)
}
declare 131 {
    int Tcl_EvalObj(Tcl_Interp *interp, Tcl_Obj *objPtr)
}
declare 132 {
................................................................................
##############################################################################

# Public functions that are not accessible via the stubs table.

export {
    void Tcl_Main(int argc, char **argv, Tcl_AppInitProc *appInitProc)
}
export {
    void Tcl_MainEx(int argc, char **argv, Tcl_AppInitProc *appInitProc,
    Tcl_Interp *interp)
}
export {
    const char *Tcl_InitStubs(Tcl_Interp *interp, const char *version,
	int exact)
}
export {
    const char *TclTomMathInitializeStubs(Tcl_Interp* interp,
	const char* version, int epoch, int revision)

Changes to generic/tcl.h.

38
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 * update the version numbers:
 *
 * library/init.tcl	(1 LOC patch)
 * unix/configure.in	(2 LOC Major, 2 LOC minor, 1 LOC patch)
 * win/configure.in	(as above)
 * win/tcl.m4		(not patchlevel)
 * README		(sections 0 and 2, with and without separator)
 * macosx/Tcl.pbproj/project.pbxproj (not patchlevel) 1 LOC
 * macosx/Tcl.pbproj/default.pbxuser (not patchlevel) 1 LOC
 * macosx/Tcl.xcode/project.pbxproj (not patchlevel) 2 LOC
 * macosx/Tcl.xcode/default.pbxuser (not patchlevel) 1 LOC
 * macosx/Tcl-Common.xcconfig (not patchlevel) 1 LOC
 * win/README		(not patchlevel) (sections 0 and 2)
 * unix/tcl.spec	(1 LOC patch)
 * tools/tcl.hpj.in	(not patchlevel, for windows installer)
 */

#define TCL_MAJOR_VERSION   8
#define TCL_MINOR_VERSION   6
#define TCL_RELEASE_LEVEL   TCL_FINAL_RELEASE
#define TCL_RELEASE_SERIAL  6

#define TCL_VERSION	    "8.6"
#define TCL_PATCH_LEVEL	    "8.6.6"
 
/*
 *----------------------------------------------------------------------------
 * The following definitions set up the proper options for Windows compilers.
 * We use this method because there is no autoconf equivalent.
 */

................................................................................
 *				is described by a TCL_TOKEN_SUB_EXPR token
 *				followed by the TCL_TOKEN_OPERATOR token for
 *				the operator, then TCL_TOKEN_SUB_EXPR tokens
 *				for the left then the right operands.
 * TCL_TOKEN_OPERATOR -		The token describes one expression operator.
 *				An operator might be the name of a math
 *				function such as "abs". A TCL_TOKEN_OPERATOR
 *				token is always preceeded by one
 *				TCL_TOKEN_SUB_EXPR token for the operator's
 *				subexpression, and is followed by zero or more
 *				TCL_TOKEN_SUB_EXPR tokens for the operator's
 *				operands. NumComponents is always 0.
 * TCL_TOKEN_EXPAND_WORD -	This token is just like TCL_TOKEN_WORD except
 *				that it marks a word that began with the
 *				literal character prefix "{*}". This word is
................................................................................
 *----------------------------------------------------------------------------
 * Deprecated Tcl functions:
 */

#ifndef TCL_NO_DEPRECATED
/*
 * These function have been renamed. The old names are deprecated, but we
 * define these macros for backwards compatibilty.
 */

#   define Tcl_Ckalloc		Tcl_Alloc
#   define Tcl_Ckfree		Tcl_Free
#   define Tcl_Ckrealloc	Tcl_Realloc
#   define Tcl_Return		Tcl_SetResult
#   define Tcl_TildeSubst	Tcl_TranslateFileName






<
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<









|


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2628
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2630
 * update the version numbers:
 *
 * library/init.tcl	(1 LOC patch)
 * unix/configure.in	(2 LOC Major, 2 LOC minor, 1 LOC patch)
 * win/configure.in	(as above)
 * win/tcl.m4		(not patchlevel)
 * README		(sections 0 and 2, with and without separator)




 * macosx/Tcl-Common.xcconfig (not patchlevel) 1 LOC
 * win/README		(not patchlevel) (sections 0 and 2)
 * unix/tcl.spec	(1 LOC patch)
 * tools/tcl.hpj.in	(not patchlevel, for windows installer)
 */

#define TCL_MAJOR_VERSION   8
#define TCL_MINOR_VERSION   6
#define TCL_RELEASE_LEVEL   TCL_FINAL_RELEASE
#define TCL_RELEASE_SERIAL  9

#define TCL_VERSION	    "8.6"
#define TCL_PATCH_LEVEL	    "8.6.9"
 
/*
 *----------------------------------------------------------------------------
 * The following definitions set up the proper options for Windows compilers.
 * We use this method because there is no autoconf equivalent.
 */

................................................................................
 *				is described by a TCL_TOKEN_SUB_EXPR token
 *				followed by the TCL_TOKEN_OPERATOR token for
 *				the operator, then TCL_TOKEN_SUB_EXPR tokens
 *				for the left then the right operands.
 * TCL_TOKEN_OPERATOR -		The token describes one expression operator.
 *				An operator might be the name of a math
 *				function such as "abs". A TCL_TOKEN_OPERATOR
 *				token is always preceded by one
 *				TCL_TOKEN_SUB_EXPR token for the operator's
 *				subexpression, and is followed by zero or more
 *				TCL_TOKEN_SUB_EXPR tokens for the operator's
 *				operands. NumComponents is always 0.
 * TCL_TOKEN_EXPAND_WORD -	This token is just like TCL_TOKEN_WORD except
 *				that it marks a word that began with the
 *				literal character prefix "{*}". This word is
................................................................................
 *----------------------------------------------------------------------------
 * Deprecated Tcl functions:
 */

#ifndef TCL_NO_DEPRECATED
/*
 * These function have been renamed. The old names are deprecated, but we
 * define these macros for backwards compatibility.
 */

#   define Tcl_Ckalloc		Tcl_Alloc
#   define Tcl_Ckfree		Tcl_Free
#   define Tcl_Ckrealloc	Tcl_Realloc
#   define Tcl_Return		Tcl_SetResult
#   define Tcl_TildeSubst	Tcl_TranslateFileName

Changes to generic/tclAssembly.c.

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    CompileEnv* envPtr = assemEnvPtr->envPtr;
				/* Compilation environment */
    Tcl_Interp* interp = (Tcl_Interp*) envPtr->iPtr;
				/* Tcl interpreter */
    Tcl_Token* tokenPtr = *tokenPtrPtr;
				/* INOUT: Pointer to the next token in the
				 * source code */
    Tcl_Obj* intObj;		/* Integer from the source code */
    int status;			/* Tcl status return */

    /*
     * Extract the next token as a string.
     */

    if (GetNextOperand(assemEnvPtr, tokenPtrPtr, &intObj) != TCL_OK) {
	return TCL_ERROR;
    }


    /*


     * Convert to an integer, advance to the next token and return.
     */



    status = TclGetIntForIndex(interp, intObj, -2, result);
    Tcl_DecrRefCount(intObj);
    *tokenPtrPtr = TokenAfter(tokenPtr);
    return status;
}
 
/*
 *-----------------------------------------------------------------------------
 *






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    CompileEnv* envPtr = assemEnvPtr->envPtr;
				/* Compilation environment */
    Tcl_Interp* interp = (Tcl_Interp*) envPtr->iPtr;
				/* Tcl interpreter */
    Tcl_Token* tokenPtr = *tokenPtrPtr;
				/* INOUT: Pointer to the next token in the
				 * source code */
    Tcl_Obj *value;
    int status;

    /* General operand validity check */



    if (GetNextOperand(assemEnvPtr, tokenPtrPtr, &value) != TCL_OK) {
	return TCL_ERROR;
    }
     
    /* Convert to an integer, advance to the next token and return. */
    /*
     * NOTE: Indexing a list with an index before it yields the
     * same result as indexing after it, and might be more easily portable
     * when list size limits grow.
     */
    status = TclIndexEncode(interp, value,
	    TCL_INDEX_BEFORE,TCL_INDEX_BEFORE, result);


    Tcl_DecrRefCount(value);
    *tokenPtrPtr = TokenAfter(tokenPtr);
    return status;
}
 
/*
 *-----------------------------------------------------------------------------
 *

Changes to generic/tclBasic.c.

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2260





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....
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2564
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....
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4514
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....
7533
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....
7655
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7664
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8127
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8130
8131
8132
8133
....
8313
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8321
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....
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....
9024
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9031
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9033
9034
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9036
9037
9038
    {"lrange",		Tcl_LrangeObjCmd,	TclCompileLrangeCmd,	NULL,	CMD_IS_SAFE},
    {"lrepeat",		Tcl_LrepeatObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"lreplace",	Tcl_LreplaceObjCmd,	TclCompileLreplaceCmd,	NULL,	CMD_IS_SAFE},
    {"lreverse",	Tcl_LreverseObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"lsearch",		Tcl_LsearchObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"lset",		Tcl_LsetObjCmd,		TclCompileLsetCmd,	NULL,	CMD_IS_SAFE},
    {"lsort",		Tcl_LsortObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"package",		Tcl_PackageObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"proc",		Tcl_ProcObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"regexp",		Tcl_RegexpObjCmd,	TclCompileRegexpCmd,	NULL,	CMD_IS_SAFE},
    {"regsub",		Tcl_RegsubObjCmd,	TclCompileRegsubCmd,	NULL,	CMD_IS_SAFE},
    {"rename",		Tcl_RenameObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"return",		Tcl_ReturnObjCmd,	TclCompileReturnCmd,	NULL,	CMD_IS_SAFE},
    {"scan",		Tcl_ScanObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"set",		Tcl_SetObjCmd,		TclCompileSetCmd,	NULL,	CMD_IS_SAFE},
................................................................................
    {"pwd",		Tcl_PwdObjCmd,		NULL,			NULL,	0},
    {"read",		Tcl_ReadObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"seek",		Tcl_SeekObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"socket",		Tcl_SocketObjCmd,	NULL,			NULL,	0},
    {"source",		Tcl_SourceObjCmd,	NULL,			TclNRSourceObjCmd,	0},
    {"tell",		Tcl_TellObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"time",		Tcl_TimeObjCmd,		NULL,			NULL,	CMD_IS_SAFE},

    {"timerate",	Tcl_TimeRateObjCmd,	NULL,			NULL,	CMD_IS_SAFE},

    {"unload",		Tcl_UnloadObjCmd,	NULL,			NULL,	0},
    {"update",		Tcl_UpdateObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"vwait",		Tcl_VwaitObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {NULL,		NULL,			NULL,			NULL,	0}
};

/*
................................................................................
{
    Interp *iPtr;
    Tcl_Interp *interp;
    Command *cmdPtr;
    const BuiltinFuncDef *builtinFuncPtr;
    const OpCmdInfo *opcmdInfoPtr;
    const CmdInfo *cmdInfoPtr;
    Tcl_Namespace *mathfuncNSPtr, *mathopNSPtr;
    Tcl_HashEntry *hPtr;
    int isNew;
    CancelInfo *cancelInfo;
    union {
	char c[sizeof(short)];
	short s;
    } order;
................................................................................
    cmdPtr = (Command *) Tcl_NRCreateCommand(interp,
            "::tcl::unsupported::assemble", Tcl_AssembleObjCmd,
            TclNRAssembleObjCmd, NULL, NULL);
    cmdPtr->compileProc = &TclCompileAssembleCmd;

    Tcl_NRCreateCommand(interp, "::tcl::unsupported::inject", NULL,
	    NRCoroInjectObjCmd, NULL, NULL);












#ifdef USE_DTRACE
    /*
     * Register the tcl::dtrace command.
     */

    Tcl_CreateObjCommand(interp, "::tcl::dtrace", DTraceObjCmd, NULL, NULL);
#endif /* USE_DTRACE */

    /*
     * Register the builtin math functions.
     */

    mathfuncNSPtr = Tcl_CreateNamespace(interp, "::tcl::mathfunc", NULL,NULL);
    if (mathfuncNSPtr == NULL) {
	Tcl_Panic("Can't create math function namespace");
    }
#define MATH_FUNC_PREFIX_LEN 17 /* == strlen("::tcl::mathfunc::") */
    memcpy(mathFuncName, "::tcl::mathfunc::", MATH_FUNC_PREFIX_LEN);
    for (builtinFuncPtr = BuiltinFuncTable; builtinFuncPtr->name != NULL;
	    builtinFuncPtr++) {
	strcpy(mathFuncName+MATH_FUNC_PREFIX_LEN, builtinFuncPtr->name);
	Tcl_CreateObjCommand(interp, mathFuncName,
		builtinFuncPtr->objCmdProc, builtinFuncPtr->clientData, NULL);
	Tcl_Export(interp, mathfuncNSPtr, builtinFuncPtr->name, 0);
    }

    /*
     * Register the mathematical "operator" commands. [TIP #174]
     */

    mathopNSPtr = Tcl_CreateNamespace(interp, "::tcl::mathop", NULL, NULL);
    if (mathopNSPtr == NULL) {
	Tcl_Panic("can't create math operator namespace");
    }
    Tcl_Export(interp, mathopNSPtr, "*", 1);
#define MATH_OP_PREFIX_LEN 15 /* == strlen("::tcl::mathop::") */
    memcpy(mathFuncName, "::tcl::mathop::", MATH_OP_PREFIX_LEN);
    for (opcmdInfoPtr=mathOpCmds ; opcmdInfoPtr->name!=NULL ; opcmdInfoPtr++){
	TclOpCmdClientData *occdPtr = ckalloc(sizeof(TclOpCmdClientData));

	occdPtr->op = opcmdInfoPtr->name;
	occdPtr->i.numArgs = opcmdInfoPtr->i.numArgs;
................................................................................
    ClientData clientData,	/* Arbitrary value passed to string proc. */
    Tcl_CmdDeleteProc *deleteProc)
				/* If not NULL, gives a function to call when
				 * this command is deleted. */
{
    Interp *iPtr = (Interp *) interp;
    ImportRef *oldRefPtr = NULL;
    Namespace *nsPtr, *dummy1, *dummy2;
    Command *cmdPtr, *refCmdPtr;
    Tcl_HashEntry *hPtr;
    const char *tail;
    int isNew;
    ImportedCmdData *dataPtr;

    if (iPtr->flags & DELETED) {
	/*
	 * The interpreter is being deleted. Don't create any new commands;
	 * it's not safe to muck with the interpreter anymore.
	 */

	return (Tcl_Command) NULL;
    }

    /*








     * Determine where the command should reside. If its name contains
     * namespace qualifiers, we put it in the specified namespace; otherwise,
     * we always put it in the global namespace.
     */

    if (strstr(cmdName, "::") != NULL) {


	TclGetNamespaceForQualName(interp, cmdName, NULL,
		TCL_CREATE_NS_IF_UNKNOWN, &nsPtr, &dummy1, &dummy2, &tail);
	if ((nsPtr == NULL) || (tail == NULL)) {
	    return (Tcl_Command) NULL;
	}
    } else {
	nsPtr = iPtr->globalNsPtr;
	tail = cmdName;
    }

    hPtr = Tcl_CreateHashEntry(&nsPtr->cmdTable, tail, &isNew);
    if (!isNew) {


	/*










	 * Command already exists. Delete the old one. Be careful to preserve
	 * any existing import links so we can restore them down below. That
	 * way, you can redefine a command and its import status will remain
	 * intact.
	 */

	cmdPtr = Tcl_GetHashValue(hPtr);
	cmdPtr->refCount++;
	if (cmdPtr->importRefPtr) {
	    cmdPtr->flags |= CMD_REDEF_IN_PROGRESS;
	}

	Tcl_DeleteCommandFromToken(interp, (Tcl_Command) cmdPtr);

	if (cmdPtr->flags & CMD_REDEF_IN_PROGRESS) {
	    oldRefPtr = cmdPtr->importRefPtr;
	    cmdPtr->importRefPtr = NULL;
	}
	TclCleanupCommandMacro(cmdPtr);


	hPtr = Tcl_CreateHashEntry(&nsPtr->cmdTable, tail, &isNew);

	if (!isNew) {
	    /*
	     * If the deletion callback recreated the command, just throw away
	     * the new command (if we try to delete it again, we could get
	     * stuck in an infinite loop).
	     */

	    ckfree(Tcl_GetHashValue(hPtr));
	}
    } else {



	/*
	 * Command resolvers (per-interp, per-namespace) might have resolved
	 * to a command for the given namespace scope with this command not
	 * being registered with the namespace's command table. During BC
	 * compilation, the so-resolved command turns into a CmdName literal.
	 * Without invalidating a possible CmdName literal here explicitly,
	 * such literals keep being reused while pointing to overhauled
................................................................................
     * Plug in any existing import references found above. Be sure to update
     * all of these references to point to the new command.
     */

    if (oldRefPtr != NULL) {
	cmdPtr->importRefPtr = oldRefPtr;
	while (oldRefPtr != NULL) {
	    refCmdPtr = oldRefPtr->importedCmdPtr;
	    dataPtr = refCmdPtr->objClientData;
	    dataPtr->realCmdPtr = cmdPtr;
	    oldRefPtr = oldRefPtr->nextPtr;
	}
    }

    /*
................................................................................
				 * qualifiers, the new command is put in the
				 * specified namespace; otherwise it is put in
				 * the global namespace. */
    Tcl_ObjCmdProc *proc,	/* Object-based function to associate with
				 * name. */
    ClientData clientData,	/* Arbitrary value to pass to object
				 * function. */
    Tcl_CmdDeleteProc *deleteProc)
				/* If not NULL, gives a function to call when
				 * this command is deleted. */

{
    Interp *iPtr = (Interp *) interp;
    ImportRef *oldRefPtr = NULL;
    Namespace *nsPtr, *dummy1, *dummy2;
    Command *cmdPtr, *refCmdPtr;
    Tcl_HashEntry *hPtr;
    const char *tail;
    int isNew;
    ImportedCmdData *dataPtr;

    if (iPtr->flags & DELETED) {
	/*
	 * The interpreter is being deleted. Don't create any new commands;
	 * it's not safe to muck with the interpreter anymore.
	 */

	return (Tcl_Command) NULL;
    }

    /*
     * Determine where the command should reside. If its name contains
     * namespace qualifiers, we put it in the specified namespace; otherwise,
     * we always put it in the global namespace.
     */

    if (strstr(cmdName, "::") != NULL) {


	TclGetNamespaceForQualName(interp, cmdName, NULL,
		TCL_CREATE_NS_IF_UNKNOWN, &nsPtr, &dummy1, &dummy2, &tail);
	if ((nsPtr == NULL) || (tail == NULL)) {
	    return (Tcl_Command) NULL;
	}
    } else {
	nsPtr = iPtr->globalNsPtr;
	tail = cmdName;
    }































    hPtr = Tcl_CreateHashEntry(&nsPtr->cmdTable, tail, &isNew);
    TclInvalidateNsPath(nsPtr);
    if (!isNew) {
	cmdPtr = Tcl_GetHashValue(hPtr);

	/* Command already exists. */












	/*
	 * [***] This is wrong.  See Tcl Bug a16752c252.
	 * However, this buggy behavior is kept under particular
	 * circumstances to accommodate deployed binaries of the
	 * "tclcompiler" program. http://sourceforge.net/projects/tclpro/
	 * that crash if the bug is fixed.
	 */
................................................................................
	 * intact.
	 */

	cmdPtr->refCount++;
	if (cmdPtr->importRefPtr) {
	    cmdPtr->flags |= CMD_REDEF_IN_PROGRESS;
	}




	Tcl_DeleteCommandFromToken(interp, (Tcl_Command) cmdPtr);




	if (cmdPtr->flags & CMD_REDEF_IN_PROGRESS) {
	    oldRefPtr = cmdPtr->importRefPtr;
	    cmdPtr->importRefPtr = NULL;
	}
	TclCleanupCommandMacro(cmdPtr);


	hPtr = Tcl_CreateHashEntry(&nsPtr->cmdTable, tail, &isNew);
	if (!isNew) {
	    /*
	     * If the deletion callback recreated the command, just throw away
	     * the new command (if we try to delete it again, we could get
	     * stuck in an infinite loop).
	     */

	    ckfree(Tcl_GetHashValue(hPtr));
	}
    } else {


	/*
	 * Command resolvers (per-interp, per-namespace) might have resolved
	 * to a command for the given namespace scope with this command not
	 * being registered with the namespace's command table. During BC
	 * compilation, the so-resolved command turns into a CmdName literal.
	 * Without invalidating a possible CmdName literal here explicitly,
	 * such literals keep being reused while pointing to overhauled
	 * commands.
	 */

	TclInvalidateCmdLiteral(interp, tail, nsPtr);

	/*
	 * The list of command exported from the namespace might have changed.
	 * However, we do not need to recompute this just yet; next time we
	 * need the info will be soon enough.
	 */

	TclInvalidateNsCmdLookup(nsPtr);

    }
    cmdPtr = ckalloc(sizeof(Command));
    Tcl_SetHashValue(hPtr, cmdPtr);
    cmdPtr->hPtr = hPtr;
    cmdPtr->nsPtr = nsPtr;
    cmdPtr->refCount = 1;
    cmdPtr->cmdEpoch = 0;
................................................................................
     * Plug in any existing import references found above. Be sure to update
     * all of these references to point to the new command.
     */

    if (oldRefPtr != NULL) {
	cmdPtr->importRefPtr = oldRefPtr;
	while (oldRefPtr != NULL) {
	    refCmdPtr = oldRefPtr->importedCmdPtr;
	    dataPtr = refCmdPtr->objClientData;
	    dataPtr->realCmdPtr = cmdPtr;
	    oldRefPtr = oldRefPtr->nextPtr;
	}
    }

    /*
................................................................................
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't %s \"%s\": command doesn't exist",
		((newName == NULL)||(*newName == '\0'))? "delete":"rename",
		oldName));
        Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "COMMAND", oldName, NULL);
	return TCL_ERROR;
    }
    cmdNsPtr = cmdPtr->nsPtr;
    oldFullName = Tcl_NewObj();
    Tcl_IncrRefCount(oldFullName);
    Tcl_GetCommandFullName(interp, cmd, oldFullName);

    /*
     * If the new command name is NULL or empty, delete the command. Do this
     * with Tcl_DeleteCommandFromToken, since we already have the command.
     */

    if ((newName == NULL) || (*newName == '\0')) {
	Tcl_DeleteCommandFromToken(interp, cmd);
	result = TCL_OK;
	goto done;
    }






    /*
     * Make sure that the destination command does not already exist. The
     * rename operation is like creating a command, so we should automatically
     * create the containing namespaces just like Tcl_CreateCommand would.
     */

    TclGetNamespaceForQualName(interp, newName, NULL,
................................................................................
	}
	return 0;
    }

    /*
     * We must delete this command, even though both traces and delete procs
     * may try to avoid this (renaming the command etc). Also traces and
     * delete procs may try to delete the command themsevles. This flag
     * declares that a delete is in progress and that recursive deletes should
     * be ignored.
     */

    cmdPtr->flags |= CMD_IS_DELETED;

    /*
     * Call trace functions for the command being deleted. Then delete its
     * traces.
     */



    if (cmdPtr->tracePtr != NULL) {
	CommandTrace *tracePtr;
	CallCommandTraces(iPtr,cmdPtr,NULL,NULL,TCL_TRACE_DELETE);

	/*
	 * Now delete these traces.
................................................................................
    /*
     * The list of command exported from the namespace might have changed.
     * However, we do not need to recompute this just yet; next time we need
     * the info will be soon enough.
     */

    TclInvalidateNsCmdLookup(cmdPtr->nsPtr);


    /*
     * If the command being deleted has a compile function, increment the
     * interpreter's compileEpoch to invalidate its compiled code. This makes
     * sure that we don't later try to execute old code compiled with
     * command-specific (i.e., inline) bytecodes for the now-deleted command.
     * This field is checked in Tcl_EvalObj and ObjInterpProc, and code whose
................................................................................
     * This only needs to be done for the first item in the list: all other
     * are for NR function calls, and those are Tcl_Obj based.
     */

    if (*(iPtr->result) != 0) {
	(void) Tcl_GetObjResult(interp);
    }



    while (TOP_CB(interp) != rootPtr) {
	callbackPtr = TOP_CB(interp);
	procPtr = callbackPtr->procPtr;
	TOP_CB(interp) = callbackPtr->nextPtr;
	result = procPtr(callbackPtr->data, interp, result);
	TCLNR_FREE(interp, callbackPtr);
................................................................................
    Interp *iPtr = (Interp *) interp;
    int allowExceptions = (PTR2INT(data[0]) & TCL_ALLOW_EXCEPTIONS);

    if (result != TCL_OK) {
	if (result == TCL_RETURN) {
	    result = TclUpdateReturnInfo(iPtr);
	}
	if ((result != TCL_ERROR) && !allowExceptions) {
	    ProcessUnexpectedResult(interp, result);
	    result = TCL_ERROR;
	}
    }

    /*
     * We are returning to level 0, so should process TclResetCancellation. As
................................................................................
    }
    if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
	return TCL_ERROR;
    }

    if (type == TCL_NUMBER_DOUBLE) {
	d = *((const double *) ptr);
	if ((d >= (double)LONG_MAX) || (d <= (double)LONG_MIN)) {












	    mp_int big;

	    if (Tcl_InitBignumFromDouble(interp, d, &big) != TCL_OK) {
		/* Infinity */
		return TCL_ERROR;
	    }
	    Tcl_SetObjResult(interp, Tcl_NewBignumObj(&big));
	    return TCL_OK;
	} else {
	    long result = (long) d;

	    Tcl_SetObjResult(interp, Tcl_NewLongObj(result));
	    return TCL_OK;
	}
    }

    if (type != TCL_NUMBER_NAN) {
	/*
	 * All integers are already of integer type.
	 */
................................................................................
	return TCL_ERROR;
    }

    if (!(iPtr->flags & RAND_SEED_INITIALIZED)) {
	iPtr->flags |= RAND_SEED_INITIALIZED;

	/*
	 * Take into consideration the thread this interp is running in order
	 * to insure different seeds in different threads (bug #416643)

	 */

	iPtr->randSeed = TclpGetClicks() + (PTR2INT(Tcl_GetCurrentThread())<<12);

	/*
	 * Make sure 1 <= randSeed <= (2^31) - 2. See below.
	 */
................................................................................
{
    Command *cmdPtr = (Command *)
	    Tcl_CreateObjCommand(interp,cmdName,proc,clientData,deleteProc);

    cmdPtr->nreProc = nreProc;
    return (Tcl_Command) cmdPtr;
}
















 
/****************************************************************************
 * Stuff for the public api
 ****************************************************************************/

int
Tcl_NREvalObj(
................................................................................
     * command, then set it in the varFrame so that PopCallFrame can use it
     * at the proper time.
     */

    if (objc > 1) {
        Tcl_Obj *listPtr, *nsObjPtr;
        Tcl_Namespace *nsPtr = (Tcl_Namespace *) iPtr->varFramePtr->nsPtr;
        Tcl_Namespace *ns1Ptr;

        /* The tailcall data is in a Tcl list: the first element is the
         * namespace, the rest the command to be tailcalled. */

        listPtr = Tcl_NewListObj(objc, objv);

        nsObjPtr = Tcl_NewStringObj(nsPtr->fullName, -1);
        if ((TCL_OK != TclGetNamespaceFromObj(interp, nsObjPtr, &ns1Ptr))
                || (nsPtr != ns1Ptr)) {
            Tcl_Panic("Tailcall failed to find the proper namespace");
        }

 	TclListObjSetElement(interp, listPtr, 0, nsObjPtr);

        iPtr->varFramePtr->tailcallPtr = listPtr;
    }
    return TCL_RETURN;
}

................................................................................
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Command *cmdPtr;
    CoroutineData *corPtr;
    const char *fullName, *procName;
    Namespace *nsPtr, *altNsPtr, *cxtNsPtr;
    Tcl_DString ds;
    Namespace *lookupNsPtr = iPtr->varFramePtr->nsPtr;

    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "name cmd ?arg ...?");
	return TCL_ERROR;
    }

    /*
     * FIXME: this is copy/pasted from Tcl_ProcObjCommand. Should have
     * something in tclUtil.c to find the FQ name.
     */

    fullName = TclGetString(objv[1]);
    TclGetNamespaceForQualName(interp, fullName, NULL, 0,
	    &nsPtr, &altNsPtr, &cxtNsPtr, &procName);

    if (nsPtr == NULL) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't create procedure \"%s\": unknown namespace",
                fullName));
        Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "NAMESPACE", NULL);
	return TCL_ERROR;
    }
    if (procName == NULL) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't create procedure \"%s\": bad procedure name",
                fullName));
        Tcl_SetErrorCode(interp, "TCL", "VALUE", "COMMAND", fullName, NULL);
	return TCL_ERROR;
    }
    if ((nsPtr != iPtr->globalNsPtr)
	    && (procName != NULL) && (procName[0] == ':')) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't create procedure \"%s\" in non-global namespace with"
                " name starting with \":\"", procName));
        Tcl_SetErrorCode(interp, "TCL", "VALUE", "COMMAND", procName, NULL);
	return TCL_ERROR;
    }

    /*
     * We ARE creating the coroutine command: allocate the corresponding
     * struct and create the corresponding command.
     */

    corPtr = ckalloc(sizeof(CoroutineData));

    Tcl_DStringInit(&ds);
    if (nsPtr != iPtr->globalNsPtr) {
	Tcl_DStringAppend(&ds, nsPtr->fullName, -1);
	TclDStringAppendLiteral(&ds, "::");
    }
    Tcl_DStringAppend(&ds, procName, -1);

    cmdPtr = (Command *) Tcl_NRCreateCommand(interp, Tcl_DStringValue(&ds),
	    /*objProc*/ NULL, TclNRInterpCoroutine, corPtr, DeleteCoroutine);
    Tcl_DStringFree(&ds);

    corPtr->cmdPtr = cmdPtr;
    cmdPtr->refCount++;

    /*
     * #280.
     * Provide the new coroutine with its own copy of the lineLABCPtr
................................................................................
    corPtr->callerEEPtr = iPtr->execEnvPtr;
    RESTORE_CONTEXT(corPtr->running);
    iPtr->execEnvPtr = corPtr->eePtr;

    TclNRAddCallback(interp, NRCoroutineExitCallback, corPtr,
	    NULL, NULL, NULL);

    /* insure that the command is looked up in the correct namespace */
    iPtr->lookupNsPtr = lookupNsPtr;
    Tcl_NREvalObj(interp, Tcl_NewListObj(objc-2, objv+2), 0);
    iPtr->numLevels--;

    SAVE_CONTEXT(corPtr->running);
    RESTORE_CONTEXT(corPtr->caller);
    iPtr->execEnvPtr = corPtr->callerEEPtr;






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2245
2246
2247
2248
2249
2250
2251
2252
2253
2254
2255
2256

2257


2258


2259
2260
2261
2262
2263
2264

2265
2266
2267
2268
2269
2270
2271
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294
2295
2296
2297
2298
2299
2300
2301
2302
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2304
2305
2306
2307
2308
2309
2310
2311
2312
2313
2314
2315
2316
2317



2318

2319
2320
2321
2322
2323
2324
2325
2326
2327
2328
2329
2330
2331
2332
2333
2334
2335
2336
2337
....
2352
2353
2354
2355
2356
2357
2358
2359
2360
2361
2362
2363
2364
2365
2366
2367
2368
2369
2370
2371
2372
2373
2374

2375
2376
2377
2378
2379
2380
2381
2382
2383

2384
2385
2386
2387
2388
2389
2390
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
2406
2407
2408
2409
2410
2411
2412
....
2426
2427
2428
2429
2430
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2433
2434
2435
2436
2437
2438
2439
2440
....
2619
2620
2621
2622
2623
2624
2625




2626
2627
2628
2629
2630
2631
2632
2633
2634

2635
2636
2637
2638
2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
....
3133
3134
3135
3136
3137
3138
3139
3140
3141
3142
3143
3144
3145
3146
3147
3148
3149
3150
3151
3152
3153
3154
3155
3156
3157
3158
3159
....
3174
3175
3176
3177
3178
3179
3180
3181
3182
3183
3184
3185
3186
3187
3188
....
4461
4462
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4464
4465
4466
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4468
4469
4470
4471
4472
4473
4474
4475
4476
....
4597
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4602
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4604
4605
4606
4607
4608
4609
4610
4611
....
7616
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7640
7641
7642
7643





7644
7645
7646
7647
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7649
7650
....
7745
7746
7747
7748
7749
7750
7751

7752
7753
7754
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7756
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7758
7759
7760
....
8210
8211
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8213
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8215
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8221
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8223
8224
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8226
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8234
8235
8236
8237
8238
8239
....
8419
8420
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8422
8423
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8426
8427
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8430




8431
8432
8433
8434
8435
8436
8437
8438
....
9005
9006
9007
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9012
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9020
9021





9022
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9037
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9041
9042
9043
9044
9045
9046
9047
9048
9049






9050

9051
9052
9053
9054
9055
9056
9057
....
9104
9105
9106
9107
9108
9109
9110
9111
9112
9113
9114
9115
9116
9117
9118
    {"lrange",		Tcl_LrangeObjCmd,	TclCompileLrangeCmd,	NULL,	CMD_IS_SAFE},
    {"lrepeat",		Tcl_LrepeatObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"lreplace",	Tcl_LreplaceObjCmd,	TclCompileLreplaceCmd,	NULL,	CMD_IS_SAFE},
    {"lreverse",	Tcl_LreverseObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"lsearch",		Tcl_LsearchObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"lset",		Tcl_LsetObjCmd,		TclCompileLsetCmd,	NULL,	CMD_IS_SAFE},
    {"lsort",		Tcl_LsortObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"package",		Tcl_PackageObjCmd,	NULL,			TclNRPackageObjCmd,	CMD_IS_SAFE},
    {"proc",		Tcl_ProcObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"regexp",		Tcl_RegexpObjCmd,	TclCompileRegexpCmd,	NULL,	CMD_IS_SAFE},
    {"regsub",		Tcl_RegsubObjCmd,	TclCompileRegsubCmd,	NULL,	CMD_IS_SAFE},
    {"rename",		Tcl_RenameObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"return",		Tcl_ReturnObjCmd,	TclCompileReturnCmd,	NULL,	CMD_IS_SAFE},
    {"scan",		Tcl_ScanObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"set",		Tcl_SetObjCmd,		TclCompileSetCmd,	NULL,	CMD_IS_SAFE},
................................................................................
    {"pwd",		Tcl_PwdObjCmd,		NULL,			NULL,	0},
    {"read",		Tcl_ReadObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"seek",		Tcl_SeekObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"socket",		Tcl_SocketObjCmd,	NULL,			NULL,	0},
    {"source",		Tcl_SourceObjCmd,	NULL,			TclNRSourceObjCmd,	0},
    {"tell",		Tcl_TellObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
    {"time",		Tcl_TimeObjCmd,		NULL,			NULL,	CMD_IS_SAFE},
#ifdef TCL_TIMERATE
    {"timerate",	Tcl_TimeRateObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
#endif
    {"unload",		Tcl_UnloadObjCmd,	NULL,			NULL,	0},
    {"update",		Tcl_UpdateObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {"vwait",		Tcl_VwaitObjCmd,	NULL,			NULL,	CMD_IS_SAFE},
    {NULL,		NULL,			NULL,			NULL,	0}
};

/*
................................................................................
{
    Interp *iPtr;
    Tcl_Interp *interp;
    Command *cmdPtr;
    const BuiltinFuncDef *builtinFuncPtr;
    const OpCmdInfo *opcmdInfoPtr;
    const CmdInfo *cmdInfoPtr;
    Tcl_Namespace *nsPtr;
    Tcl_HashEntry *hPtr;
    int isNew;
    CancelInfo *cancelInfo;
    union {
	char c[sizeof(short)];
	short s;
    } order;
................................................................................
    cmdPtr = (Command *) Tcl_NRCreateCommand(interp,
            "::tcl::unsupported::assemble", Tcl_AssembleObjCmd,
            TclNRAssembleObjCmd, NULL, NULL);
    cmdPtr->compileProc = &TclCompileAssembleCmd;

    Tcl_NRCreateCommand(interp, "::tcl::unsupported::inject", NULL,
	    NRCoroInjectObjCmd, NULL, NULL);

    /* Create an unsupported command for timerate */
    Tcl_CreateObjCommand(interp, "::tcl::unsupported::timerate",
	    Tcl_TimeRateObjCmd, NULL, NULL);

    /* Export unsupported commands */
    nsPtr = Tcl_FindNamespace(interp, "::tcl::unsupported", NULL, 0);
    if (nsPtr) {
	Tcl_Export(interp, nsPtr, "*", 1);
    }


#ifdef USE_DTRACE
    /*
     * Register the tcl::dtrace command.
     */

    Tcl_CreateObjCommand(interp, "::tcl::dtrace", DTraceObjCmd, NULL, NULL);
#endif /* USE_DTRACE */

    /*
     * Register the builtin math functions.
     */

    nsPtr = Tcl_CreateNamespace(interp, "::tcl::mathfunc", NULL,NULL);
    if (nsPtr == NULL) {
	Tcl_Panic("Can't create math function namespace");
    }
#define MATH_FUNC_PREFIX_LEN 17 /* == strlen("::tcl::mathfunc::") */
    memcpy(mathFuncName, "::tcl::mathfunc::", MATH_FUNC_PREFIX_LEN);
    for (builtinFuncPtr = BuiltinFuncTable; builtinFuncPtr->name != NULL;
	    builtinFuncPtr++) {
	strcpy(mathFuncName+MATH_FUNC_PREFIX_LEN, builtinFuncPtr->name);
	Tcl_CreateObjCommand(interp, mathFuncName,
		builtinFuncPtr->objCmdProc, builtinFuncPtr->clientData, NULL);
	Tcl_Export(interp, nsPtr, builtinFuncPtr->name, 0);
    }

    /*
     * Register the mathematical "operator" commands. [TIP #174]
     */

    nsPtr = Tcl_CreateNamespace(interp, "::tcl::mathop", NULL, NULL);
    if (nsPtr == NULL) {
	Tcl_Panic("can't create math operator namespace");
    }
    Tcl_Export(interp, nsPtr, "*", 1);
#define MATH_OP_PREFIX_LEN 15 /* == strlen("::tcl::mathop::") */
    memcpy(mathFuncName, "::tcl::mathop::", MATH_OP_PREFIX_LEN);
    for (opcmdInfoPtr=mathOpCmds ; opcmdInfoPtr->name!=NULL ; opcmdInfoPtr++){
	TclOpCmdClientData *occdPtr = ckalloc(sizeof(TclOpCmdClientData));

	occdPtr->op = opcmdInfoPtr->name;
	occdPtr->i.numArgs = opcmdInfoPtr->i.numArgs;
................................................................................
    ClientData clientData,	/* Arbitrary value passed to string proc. */
    Tcl_CmdDeleteProc *deleteProc)
				/* If not NULL, gives a function to call when
				 * this command is deleted. */
{
    Interp *iPtr = (Interp *) interp;
    ImportRef *oldRefPtr = NULL;
    Namespace *nsPtr;
    Command *cmdPtr;
    Tcl_HashEntry *hPtr;
    const char *tail;
    int isNew = 0, deleted = 0;
    ImportedCmdData *dataPtr;

    if (iPtr->flags & DELETED) {
	/*
	 * The interpreter is being deleted. Don't create any new commands;
	 * it's not safe to muck with the interpreter anymore.
	 */

	return (Tcl_Command) NULL;
    }

    /*
     * If the command name we seek to create already exists, we need to
     * delete that first.  That can be tricky in the presence of traces.
     * Loop until we no longer find an existing command in the way, or
     * until we've deleted one command and that didn't finish the job.
     */

    while (1) {
        /*
         * Determine where the command should reside. If its name contains
         * namespace qualifiers, we put it in the specified namespace;
	 * otherwise, we always put it in the global namespace.
         */

        if (strstr(cmdName, "::") != NULL) {
	    Namespace *dummy1, *dummy2;

	    TclGetNamespaceForQualName(interp, cmdName, NULL,
		    TCL_CREATE_NS_IF_UNKNOWN, &nsPtr, &dummy1, &dummy2, &tail);
	    if ((nsPtr == NULL) || (tail == NULL)) {
	        return (Tcl_Command) NULL;
	    }
        } else {
	    nsPtr = iPtr->globalNsPtr;
	    tail = cmdName;
        }

        hPtr = Tcl_CreateHashEntry(&nsPtr->cmdTable, tail, &isNew);


	if (isNew || deleted) {
	    /*
	     * isNew - No conflict with existing command.
	     * deleted - We've already deleted a conflicting command
	     */
	    break;
	}

	/* An existing command conflicts. Try to delete it.. */
	cmdPtr = Tcl_GetHashValue(hPtr);

	/*
	 * Be careful to preserve
	 * any existing import links so we can restore them down below. That
	 * way, you can redefine a command and its import status will remain
	 * intact.
	 */


	cmdPtr->refCount++;
	if (cmdPtr->importRefPtr) {
	    cmdPtr->flags |= CMD_REDEF_IN_PROGRESS;
	}

	Tcl_DeleteCommandFromToken(interp, (Tcl_Command) cmdPtr);

	if (cmdPtr->flags & CMD_REDEF_IN_PROGRESS) {
	    oldRefPtr = cmdPtr->importRefPtr;
	    cmdPtr->importRefPtr = NULL;
	}
	TclCleanupCommandMacro(cmdPtr);
	deleted = 1;
    }


    if (!isNew) {
	/*
	 * If the deletion callback recreated the command, just throw away
	 * the new command (if we try to delete it again, we could get
	 * stuck in an infinite loop).
	 */

	ckfree(Tcl_GetHashValue(hPtr));
    }


    if (!deleted) {

	/*
	 * Command resolvers (per-interp, per-namespace) might have resolved
	 * to a command for the given namespace scope with this command not
	 * being registered with the namespace's command table. During BC
	 * compilation, the so-resolved command turns into a CmdName literal.
	 * Without invalidating a possible CmdName literal here explicitly,
	 * such literals keep being reused while pointing to overhauled
................................................................................
     * Plug in any existing import references found above. Be sure to update
     * all of these references to point to the new command.
     */

    if (oldRefPtr != NULL) {
	cmdPtr->importRefPtr = oldRefPtr;
	while (oldRefPtr != NULL) {
	    Command *refCmdPtr = oldRefPtr->importedCmdPtr;
	    dataPtr = refCmdPtr->objClientData;
	    dataPtr->realCmdPtr = cmdPtr;
	    oldRefPtr = oldRefPtr->nextPtr;
	}
    }

    /*
................................................................................
				 * qualifiers, the new command is put in the
				 * specified namespace; otherwise it is put in
				 * the global namespace. */
    Tcl_ObjCmdProc *proc,	/* Object-based function to associate with
				 * name. */
    ClientData clientData,	/* Arbitrary value to pass to object
				 * function. */
    Tcl_CmdDeleteProc *deleteProc
				/* If not NULL, gives a function to call when
				 * this command is deleted. */
)
{
    Interp *iPtr = (Interp *) interp;

    Namespace *nsPtr;


    const char *tail;



    if (iPtr->flags & DELETED) {
	/*
	 * The interpreter is being deleted. Don't create any new commands;
	 * it's not safe to muck with the interpreter anymore.
	 */

	return (Tcl_Command) NULL;
    }

    /*
     * Determine where the command should reside. If its name contains
     * namespace qualifiers, we put it in the specified namespace;
     * otherwise, we always put it in the global namespace.
     */

    if (strstr(cmdName, "::") != NULL) {
	Namespace *dummy1, *dummy2;

	TclGetNamespaceForQualName(interp, cmdName, NULL,
	    TCL_CREATE_NS_IF_UNKNOWN, &nsPtr, &dummy1, &dummy2, &tail);
	if ((nsPtr == NULL) || (tail == NULL)) {
	    return (Tcl_Command) NULL;
	}
    } else {
	nsPtr = iPtr->globalNsPtr;
	tail = cmdName;
    }

    return TclCreateObjCommandInNs(interp, tail, (Tcl_Namespace *) nsPtr,
	proc, clientData, deleteProc);
}

Tcl_Command
TclCreateObjCommandInNs (
    Tcl_Interp *interp,
    const char *cmdName,	/* Name of command, without any namespace components */
    Tcl_Namespace *namespace,   /* The namespace to create the command in */
    Tcl_ObjCmdProc *proc,	/* Object-based function to associate with
				 * name. */
    ClientData clientData,	/* Arbitrary value to pass to object
				 * function. */
    Tcl_CmdDeleteProc *deleteProc
				/* If not NULL, gives a function to call when
				 * this command is deleted. */
) {
    int deleted = 0, isNew = 0;
    Command *cmdPtr;
    ImportRef *oldRefPtr = NULL;
    ImportedCmdData *dataPtr;
    Tcl_HashEntry *hPtr;
    Namespace *nsPtr = (Namespace *) namespace;
    /*
     * If the command name we seek to create already exists, we need to
     * delete that first.  That can be tricky in the presence of traces.
     * Loop until we no longer find an existing command in the way, or
     * until we've deleted one command and that didn't finish the job.
     */
    while (1) {
	hPtr = Tcl_CreateHashEntry(&nsPtr->cmdTable, cmdName, &isNew);





	if (isNew || deleted) {
	    /*
	     * isNew - No conflict with existing command.
	     * deleted - We've already deleted a conflicting command
	     */
	    break;
	}


	/* An existing command conflicts. Try to delete it.. */
	cmdPtr = Tcl_GetHashValue(hPtr);

	/*
	 * [***] This is wrong.  See Tcl Bug a16752c252.
	 * However, this buggy behavior is kept under particular
	 * circumstances to accommodate deployed binaries of the
	 * "tclcompiler" program. http://sourceforge.net/projects/tclpro/
	 * that crash if the bug is fixed.
	 */
................................................................................
	 * intact.
	 */

	cmdPtr->refCount++;
	if (cmdPtr->importRefPtr) {
	    cmdPtr->flags |= CMD_REDEF_IN_PROGRESS;
	}

	/* Make sure namespace doesn't get deallocated. */
	cmdPtr->nsPtr->refCount++;

	Tcl_DeleteCommandFromToken(interp, (Tcl_Command) cmdPtr);
	nsPtr = (Namespace *) TclEnsureNamespace(interp,
	    (Tcl_Namespace *)cmdPtr->nsPtr);
	TclNsDecrRefCount(cmdPtr->nsPtr);

	if (cmdPtr->flags & CMD_REDEF_IN_PROGRESS) {
	    oldRefPtr = cmdPtr->importRefPtr;
	    cmdPtr->importRefPtr = NULL;
	}
	TclCleanupCommandMacro(cmdPtr);
	deleted = 1;
    }

    if (!isNew) {
	/*
	 * If the deletion callback recreated the command, just throw away
	 * the new command (if we try to delete it again, we could get
	 * stuck in an infinite loop).
	 */

	ckfree(Tcl_GetHashValue(hPtr));
    }


    if (!deleted) {
	/*
	 * Command resolvers (per-interp, per-namespace) might have resolved
	 * to a command for the given namespace scope with this command not
	 * being registered with the namespace's command table. During BC
	 * compilation, the so-resolved command turns into a CmdName literal.
	 * Without invalidating a possible CmdName literal here explicitly,
	 * such literals keep being reused while pointing to overhauled
	 * commands.
	 */

	TclInvalidateCmdLiteral(interp, cmdName, nsPtr);

	/*
	 * The list of command exported from the namespace might have changed.
	 * However, we do not need to recompute this just yet; next time we
	 * need the info will be soon enough.
	 */

	TclInvalidateNsCmdLookup(nsPtr);
	TclInvalidateNsPath(nsPtr);
    }
    cmdPtr = ckalloc(sizeof(Command));
    Tcl_SetHashValue(hPtr, cmdPtr);
    cmdPtr->hPtr = hPtr;
    cmdPtr->nsPtr = nsPtr;
    cmdPtr->refCount = 1;
    cmdPtr->cmdEpoch = 0;
................................................................................
     * Plug in any existing import references found above. Be sure to update
     * all of these references to point to the new command.
     */

    if (oldRefPtr != NULL) {
	cmdPtr->importRefPtr = oldRefPtr;
	while (oldRefPtr != NULL) {
	    Command *refCmdPtr = oldRefPtr->importedCmdPtr;
	    dataPtr = refCmdPtr->objClientData;
	    dataPtr->realCmdPtr = cmdPtr;
	    oldRefPtr = oldRefPtr->nextPtr;
	}
    }

    /*
................................................................................
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't %s \"%s\": command doesn't exist",
		((newName == NULL)||(*newName == '\0'))? "delete":"rename",
		oldName));
        Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "COMMAND", oldName, NULL);
	return TCL_ERROR;
    }





    /*
     * If the new command name is NULL or empty, delete the command. Do this
     * with Tcl_DeleteCommandFromToken, since we already have the command.
     */

    if ((newName == NULL) || (*newName == '\0')) {
	Tcl_DeleteCommandFromToken(interp, cmd);
	return TCL_OK;

    }

    cmdNsPtr = cmdPtr->nsPtr;
    oldFullName = Tcl_NewObj();
    Tcl_IncrRefCount(oldFullName);
    Tcl_GetCommandFullName(interp, cmd, oldFullName);

    /*
     * Make sure that the destination command does not already exist. The
     * rename operation is like creating a command, so we should automatically
     * create the containing namespaces just like Tcl_CreateCommand would.
     */

    TclGetNamespaceForQualName(interp, newName, NULL,
................................................................................
	}
	return 0;
    }

    /*
     * We must delete this command, even though both traces and delete procs
     * may try to avoid this (renaming the command etc). Also traces and
     * delete procs may try to delete the command themselves. This flag
     * declares that a delete is in progress and that recursive deletes should
     * be ignored.
     */

    cmdPtr->flags |= CMD_IS_DELETED;

    /*
     * Call trace functions for the command being deleted. Then delete its
     * traces.
     */

    cmdPtr->nsPtr->refCount++;

    if (cmdPtr->tracePtr != NULL) {
	CommandTrace *tracePtr;
	CallCommandTraces(iPtr,cmdPtr,NULL,NULL,TCL_TRACE_DELETE);

	/*
	 * Now delete these traces.
................................................................................
    /*
     * The list of command exported from the namespace might have changed.
     * However, we do not need to recompute this just yet; next time we need
     * the info will be soon enough.
     */

    TclInvalidateNsCmdLookup(cmdPtr->nsPtr);
    TclNsDecrRefCount(cmdPtr->nsPtr);

    /*
     * If the command being deleted has a compile function, increment the
     * interpreter's compileEpoch to invalidate its compiled code. This makes
     * sure that we don't later try to execute old code compiled with
     * command-specific (i.e., inline) bytecodes for the now-deleted command.
     * This field is checked in Tcl_EvalObj and ObjInterpProc, and code whose
................................................................................
     * This only needs to be done for the first item in the list: all other
     * are for NR function calls, and those are Tcl_Obj based.
     */

    if (*(iPtr->result) != 0) {
	(void) Tcl_GetObjResult(interp);
    }

    /* This is the trampoline. */

    while (TOP_CB(interp) != rootPtr) {
	callbackPtr = TOP_CB(interp);
	procPtr = callbackPtr->procPtr;
	TOP_CB(interp) = callbackPtr->nextPtr;
	result = procPtr(callbackPtr->data, interp, result);
	TCLNR_FREE(interp, callbackPtr);
................................................................................
    Interp *iPtr = (Interp *) interp;
    int allowExceptions = (PTR2INT(data[0]) & TCL_ALLOW_EXCEPTIONS);

    if (result != TCL_OK) {
	if (result == TCL_RETURN) {
	    result = TclUpdateReturnInfo(iPtr);
	}
	if ((result != TCL_OK) && (result != TCL_ERROR) && !allowExceptions) {
	    ProcessUnexpectedResult(interp, result);
	    result = TCL_ERROR;
	}
    }

    /*
     * We are returning to level 0, so should process TclResetCancellation. As
................................................................................
    }
    if (TclGetNumberFromObj(interp, objv[1], &ptr, &type) != TCL_OK) {
	return TCL_ERROR;
    }

    if (type == TCL_NUMBER_DOUBLE) {
	d = *((const double *) ptr);
	if ((d < (double)LONG_MAX) && (d > (double)LONG_MIN)) {
	    long result = (long) d;

	    Tcl_SetObjResult(interp, Tcl_NewLongObj(result));
	    return TCL_OK;
#ifndef TCL_WIDE_INT_IS_LONG
	} else if ((d < (double)LLONG_MAX) && (d > (double)LLONG_MIN)) {
	    Tcl_WideInt result = (Tcl_WideInt) d;

	    Tcl_SetObjResult(interp, Tcl_NewWideIntObj(result));
	    return TCL_OK;
#endif
	} else {
	    mp_int big;

	    if (Tcl_InitBignumFromDouble(interp, d, &big) != TCL_OK) {
		/* Infinity */
		return TCL_ERROR;
	    }
	    Tcl_SetObjResult(interp, Tcl_NewBignumObj(&big));
	    return TCL_OK;





	}
    }

    if (type != TCL_NUMBER_NAN) {
	/*
	 * All integers are already of integer type.
	 */
................................................................................
	return TCL_ERROR;
    }

    if (!(iPtr->flags & RAND_SEED_INITIALIZED)) {
	iPtr->flags |= RAND_SEED_INITIALIZED;

	/*

	 * To ensure different seeds in different threads (bug #416643), 
	 * take into consideration the thread this interp is running in.
	 */

	iPtr->randSeed = TclpGetClicks() + (PTR2INT(Tcl_GetCurrentThread())<<12);

	/*
	 * Make sure 1 <= randSeed <= (2^31) - 2. See below.
	 */
................................................................................
{
    Command *cmdPtr = (Command *)
	    Tcl_CreateObjCommand(interp,cmdName,proc,clientData,deleteProc);

    cmdPtr->nreProc = nreProc;
    return (Tcl_Command) cmdPtr;
}

Tcl_Command
TclNRCreateCommandInNs (
    Tcl_Interp *interp,
    const char *cmdName,
    Tcl_Namespace *nsPtr,
    Tcl_ObjCmdProc *proc,
    Tcl_ObjCmdProc *nreProc,
    ClientData clientData,
    Tcl_CmdDeleteProc *deleteProc) {
    Command *cmdPtr = (Command *)
	TclCreateObjCommandInNs(interp,cmdName,nsPtr,proc,clientData,deleteProc);

    cmdPtr->nreProc = nreProc;
    return (Tcl_Command) cmdPtr;
}
 
/****************************************************************************
 * Stuff for the public api
 ****************************************************************************/

int
Tcl_NREvalObj(
................................................................................
     * command, then set it in the varFrame so that PopCallFrame can use it
     * at the proper time.
     */

    if (objc > 1) {
        Tcl_Obj *listPtr, *nsObjPtr;
        Tcl_Namespace *nsPtr = (Tcl_Namespace *) iPtr->varFramePtr->nsPtr;


        /* The tailcall data is in a Tcl list: the first element is the
         * namespace, the rest the command to be tailcalled. */



        nsObjPtr = Tcl_NewStringObj(nsPtr->fullName, -1);




        listPtr = Tcl_NewListObj(objc, objv);
 	TclListObjSetElement(interp, listPtr, 0, nsObjPtr);

        iPtr->varFramePtr->tailcallPtr = listPtr;
    }
    return TCL_RETURN;
}

................................................................................
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Command *cmdPtr;
    CoroutineData *corPtr;
    const char *procName, *simpleName;
    Namespace *nsPtr, *altNsPtr, *cxtNsPtr,
	*inNsPtr = (Namespace *)TclGetCurrentNamespace(interp);
    Namespace *lookupNsPtr = iPtr->varFramePtr->nsPtr;

    if (objc < 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "name cmd ?arg ...?");
	return TCL_ERROR;
    }






    procName = TclGetString(objv[1]);
    TclGetNamespaceForQualName(interp, procName, inNsPtr, 0,
	    &nsPtr, &altNsPtr, &cxtNsPtr, &simpleName);

    if (nsPtr == NULL) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't create procedure \"%s\": unknown namespace",
                procName));
        Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "NAMESPACE", NULL);
	return TCL_ERROR;
    }
    if (simpleName == NULL) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
                "can't create procedure \"%s\": bad procedure name",
                procName));








        Tcl_SetErrorCode(interp, "TCL", "VALUE", "COMMAND", procName, NULL);
	return TCL_ERROR;
    }

    /*
     * We ARE creating the coroutine command: allocate the corresponding
     * struct and create the corresponding command.
     */

    corPtr = ckalloc(sizeof(CoroutineData));

    cmdPtr = (Command *) TclNRCreateCommandInNs(interp, simpleName,
	    (Tcl_Namespace *)nsPtr, /*objProc*/ NULL, TclNRInterpCoroutine,






	    corPtr, DeleteCoroutine);


    corPtr->cmdPtr = cmdPtr;
    cmdPtr->refCount++;

    /*
     * #280.
     * Provide the new coroutine with its own copy of the lineLABCPtr
................................................................................
    corPtr->callerEEPtr = iPtr->execEnvPtr;
    RESTORE_CONTEXT(corPtr->running);
    iPtr->execEnvPtr = corPtr->eePtr;

    TclNRAddCallback(interp, NRCoroutineExitCallback, corPtr,
	    NULL, NULL, NULL);

    /* ensure that the command is looked up in the correct namespace */
    iPtr->lookupNsPtr = lookupNsPtr;
    Tcl_NREvalObj(interp, Tcl_NewListObj(objc-2, objv+2), 0);
    iPtr->numLevels--;

    SAVE_CONTEXT(corPtr->running);
    RESTORE_CONTEXT(corPtr->caller);
    iPtr->execEnvPtr = corPtr->callerEEPtr;

Changes to generic/tclBinary.c.

450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
....
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
....
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
....
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
....
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
....
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
....
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
....
2910
2911
2912
2913
2914
2915
2916





2917
2918
2919
2920
2921
2922
2923
....
2925
2926
2927
2928
2929
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
....
2940
2941
2942
2943
2944
2945
2946
2947


2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
....
2964
2965
2966
2967
2968
2969
2970
2971
2972
2973
2974
2975
2976
2977
2978
    Tcl_Interp *interp,		/* Not used. */
    Tcl_Obj *objPtr)		/* The object to convert to type ByteArray. */
{
    int length;
    const char *src, *srcEnd;
    unsigned char *dst;
    ByteArray *byteArrayPtr;
    Tcl_UniChar ch;

    if (objPtr->typePtr != &tclByteArrayType) {
	src = TclGetStringFromObj(objPtr, &length);
	srcEnd = src + length;

	byteArrayPtr = ckalloc(BYTEARRAY_SIZE(length));
	for (dst = byteArrayPtr->bytes; src < srcEnd; ) {
................................................................................

 badIndex:
    errorString = "not enough arguments for all format specifiers";
    goto error;

 badField:
    {
	Tcl_UniChar ch;
	char buf[TCL_UTF_MAX + 1];

	TclUtfToUniChar(errorString, &ch);
	buf[Tcl_UniCharToUtf(ch, buf)] = '\0';
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"bad field specifier \"%s\"", buf));
	return TCL_ERROR;
    }
................................................................................

 badIndex:
    errorString = "not enough arguments for all format specifiers";
    goto error;

 badField:
    {
	Tcl_UniChar ch;
	char buf[TCL_UTF_MAX + 1];

	TclUtfToUniChar(errorString, &ch);
	buf[Tcl_UniCharToUtf(ch, buf)] = '\0';
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"bad field specifier \"%s\"", buf));
	return TCL_ERROR;
    }
................................................................................
	    if (data >= dataend) {
		value <<= 4;
		break;
	    }

	    c = *data++;
	    if (!isxdigit((int) c)) {
		if (strict || !isspace(c)) {
		    goto badChar;
		}
		i--;
		continue;
	    }

	    value <<= 4;
................................................................................

    while (data < dataend) {
	char d[4] = {0, 0, 0, 0};

	if (lineLen < 0) {
	    c = *data++;
	    if (c < 32 || c > 96) {
		if (strict || !isspace(c)) {
		    goto badUu;
		}
		i--;
		continue;
	    }
	    lineLen = (c - 32) & 0x3f;
	}
................................................................................
	 */

	for (i=0 ; i<4 ; i++) {
	    if (data < dataend) {
		d[i] = c = *data++;
		if (c < 32 || c > 96) {
		    if (strict) {
			if (!isspace(c)) {
			    goto badUu;
			} else if (c == '\n') {
			    goto shortUu;
			}
		    }
		    i--;
		    continue;
................................................................................
	    do {
		c = *data++;
		if (c == '\n') {
		    break;
		} else if (c >= 32 && c <= 96) {
		    data--;
		    break;
		} else if (strict || !isspace(c)) {
		    goto badUu;
		}
	    } while (data < dataend);
	}
    }

    /*
................................................................................
	     */

	    if (data < dataend) {
		c = *data++;
	    } else if (i > 1) {
		c = '=';
	    } else {





		cut += 3;
		break;
	    }

	    /*
	     * Load the character into the block value. Handle ='s specially
	     * because they're only valid as the last character or two of the
................................................................................
	     * input whitespace characters.
	     */

	    if (cut) {
		if (c == '=' && i > 1) {
		     value <<= 6;
		     cut++;
		} else if (!strict && isspace(c)) {
		     i--;
		} else {
		    goto bad64;
		}
	    } else if (c >= 'A' && c <= 'Z') {
		value = (value << 6) | ((c - 'A') & 0x3f);
	    } else if (c >= 'a' && c <= 'z') {
................................................................................
		value = (value << 6) | ((c - 'a' + 26) & 0x3f);
	    } else if (c >= '0' && c <= '9') {
		value = (value << 6) | ((c - '0' + 52) & 0x3f);
	    } else if (c == '+') {
		value = (value << 6) | 0x3e;
	    } else if (c == '/') {
		value = (value << 6) | 0x3f;
	    } else if (c == '=') {


		value <<= 6;
		cut++;
	    } else if (strict || !isspace(c)) {
		goto bad64;
	    } else {
		i--;
	    }
	}
	*cursor++ = UCHAR((value >> 16) & 0xff);
	*cursor++ = UCHAR((value >> 8) & 0xff);
................................................................................
	 */

	if (cut && data < dataend) {
	    if (strict) {
		goto bad64;
	    }
	    for (; data < dataend; data++) {
		if (!isspace(*data)) {
		    goto bad64;
		}
	    }
	}
    }
    Tcl_SetByteArrayLength(resultObj, cursor - begin - cut);
    Tcl_SetObjResult(interp, resultObj);






|







 







|
|







 







|
|







 







|







 







|







 







|







 







|







 







>
>
>
>
>







 







|







 







|
>
>

|
|







 







|







450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
....
1206
1207
1208
1209
1210
1211
1212
1213
1214
1215
1216
1217
1218
1219
1220
1221
....
1576
1577
1578
1579
1580
1581
1582
1583
1584
1585
1586
1587
1588
1589
1590
1591
....
2391
2392
2393
2394
2395
2396
2397
2398
2399
2400
2401
2402
2403
2404
2405
....
2738
2739
2740
2741
2742
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752
....
2756
2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
....
2800
2801
2802
2803
2804
2805
2806
2807
2808
2809
2810
2811
2812
2813
2814
....
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
2924
2925
2926
2927
2928
....
2930
2931
2932
2933
2934
2935
2936
2937
2938
2939
2940
2941
2942
2943
2944
....
2945
2946
2947
2948
2949
2950
2951
2952
2953
2954
2955
2956
2957
2958
2959
2960
2961
2962
2963
2964
....
2971
2972
2973
2974
2975
2976
2977
2978
2979
2980
2981
2982
2983
2984
2985
    Tcl_Interp *interp,		/* Not used. */
    Tcl_Obj *objPtr)		/* The object to convert to type ByteArray. */
{
    int length;
    const char *src, *srcEnd;
    unsigned char *dst;
    ByteArray *byteArrayPtr;
    Tcl_UniChar ch = 0;

    if (objPtr->typePtr != &tclByteArrayType) {
	src = TclGetStringFromObj(objPtr, &length);
	srcEnd = src + length;

	byteArrayPtr = ckalloc(BYTEARRAY_SIZE(length));
	for (dst = byteArrayPtr->bytes; src < srcEnd; ) {
................................................................................

 badIndex:
    errorString = "not enough arguments for all format specifiers";
    goto error;

 badField:
    {
	Tcl_UniChar ch = 0;
	char buf[TCL_UTF_MAX + 1] = "";

	TclUtfToUniChar(errorString, &ch);
	buf[Tcl_UniCharToUtf(ch, buf)] = '\0';
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"bad field specifier \"%s\"", buf));
	return TCL_ERROR;
    }
................................................................................

 badIndex:
    errorString = "not enough arguments for all format specifiers";
    goto error;

 badField:
    {
	Tcl_UniChar ch = 0;
	char buf[TCL_UTF_MAX + 1] = "";

	TclUtfToUniChar(errorString, &ch);
	buf[Tcl_UniCharToUtf(ch, buf)] = '\0';
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"bad field specifier \"%s\"", buf));
	return TCL_ERROR;
    }
................................................................................
	    if (data >= dataend) {
		value <<= 4;
		break;
	    }

	    c = *data++;
	    if (!isxdigit((int) c)) {
		if (strict || !TclIsSpaceProc(c)) {
		    goto badChar;
		}
		i--;
		continue;
	    }

	    value <<= 4;
................................................................................

    while (data < dataend) {
	char d[4] = {0, 0, 0, 0};

	if (lineLen < 0) {
	    c = *data++;
	    if (c < 32 || c > 96) {
		if (strict || !TclIsSpaceProc(c)) {
		    goto badUu;
		}
		i--;
		continue;
	    }
	    lineLen = (c - 32) & 0x3f;
	}
................................................................................
	 */

	for (i=0 ; i<4 ; i++) {
	    if (data < dataend) {
		d[i] = c = *data++;
		if (c < 32 || c > 96) {
		    if (strict) {
			if (!TclIsSpaceProc(c)) {
			    goto badUu;
			} else if (c == '\n') {
			    goto shortUu;
			}
		    }
		    i--;
		    continue;
................................................................................
	    do {
		c = *data++;
		if (c == '\n') {
		    break;
		} else if (c >= 32 && c <= 96) {
		    data--;
		    break;
		} else if (strict || !TclIsSpaceProc(c)) {
		    goto badUu;
		}
	    } while (data < dataend);
	}
    }

    /*
................................................................................
	     */

	    if (data < dataend) {
		c = *data++;
	    } else if (i > 1) {
		c = '=';
	    } else {
		if (strict && i <= 1) {
		    /* single resp. unfulfilled char (each 4th next single char)
		     * is rather bad64 error case in strict mode */
		    goto bad64;
		}
		cut += 3;
		break;
	    }

	    /*
	     * Load the character into the block value. Handle ='s specially
	     * because they're only valid as the last character or two of the
................................................................................
	     * input whitespace characters.
	     */

	    if (cut) {
		if (c == '=' && i > 1) {
		     value <<= 6;
		     cut++;
		} else if (!strict && TclIsSpaceProc(c)) {
		     i--;
		} else {
		    goto bad64;
		}
	    } else if (c >= 'A' && c <= 'Z') {
		value = (value << 6) | ((c - 'A') & 0x3f);
	    } else if (c >= 'a' && c <= 'z') {
................................................................................
		value = (value << 6) | ((c - 'a' + 26) & 0x3f);
	    } else if (c >= '0' && c <= '9') {
		value = (value << 6) | ((c - '0' + 52) & 0x3f);
	    } else if (c == '+') {
		value = (value << 6) | 0x3e;
	    } else if (c == '/') {
		value = (value << 6) | 0x3f;
	    } else if (c == '=' && (
		!strict || i > 1) /* "=" and "a=" is rather bad64 error case in strict mode */
	    ) {
		value <<= 6;
		if (i) cut++;
	    } else if (strict || !TclIsSpaceProc(c)) {
		goto bad64;
	    } else {
		i--;
	    }
	}
	*cursor++ = UCHAR((value >> 16) & 0xff);
	*cursor++ = UCHAR((value >> 8) & 0xff);
................................................................................
	 */

	if (cut && data < dataend) {
	    if (strict) {
		goto bad64;
	    }
	    for (; data < dataend; data++) {
		if (!TclIsSpaceProc(*data)) {
		    goto bad64;
		}
	    }
	}
    }
    Tcl_SetByteArrayLength(resultObj, cursor - begin - cut);
    Tcl_SetObjResult(interp, resultObj);

Changes to generic/tclCmdAH.c.

507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
....
2180
2181
2182
2183
2184
2185
2186
2187
2188
2189
2190
2191
2192
2193
2194
{
    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;
    }
    return TCL_CONTINUE;
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_EncodingObjCmd --
 *
 *	This command manipulates encodings.
 *
 * Results:
 *	A standard Tcl result.
 *
 * Side effects:
 *	See the user documentation.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_EncodingObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    int index;

    static const char *const optionStrings[] = {
	"convertfrom", "convertto", "dirs", "names", "system",
	NULL
    };
    enum options {
	ENC_CONVERTFROM, ENC_CONVERTTO, ENC_DIRS, ENC_NAMES, ENC_SYSTEM
    };

    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "option ?arg ...?");
	return TCL_ERROR;
    }
    if (Tcl_GetIndexFromObj(interp, objv[1], optionStrings, "option", 0,
	    &index) != TCL_OK) {
	return TCL_ERROR;
    }

    switch ((enum options) index) {
    case ENC_CONVERTTO:
	return EncodingConverttoObjCmd(dummy, interp, objc, objv);
    case ENC_CONVERTFROM:
	return EncodingConvertfromObjCmd(dummy, interp, objc, objv);
    case ENC_DIRS:
	return EncodingDirsObjCmd(dummy, interp, objc, objv);
    case ENC_NAMES:
	return EncodingNamesObjCmd(dummy, interp, objc, objv);
    case ENC_SYSTEM:
	return EncodingSystemObjCmd(dummy, interp, objc, objv);
    }
    return TCL_OK;
}
 
/*
 *-----------------------------------------------------------------------------
 *
 * TclInitEncodingCmd --
 *
 *	This function creates the 'encoding' ensemble.
................................................................................
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name ?name ...?");
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, TclJoinPath(objc - 1, objv + 1));
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * PathNativeNameCmd --






<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<
<







 







|







507
508
509
510
511
512
513

























































514
515
516
517
518
519
520
....
2123
2124
2125
2126
2127
2128
2129
2130
2131
2132
2133
2134
2135
2136
2137
{
    if (objc != 1) {
	Tcl_WrongNumArgs(interp, 1, objv, NULL);
	return TCL_ERROR;
    }
    return TCL_CONTINUE;
}

























































 
/*
 *-----------------------------------------------------------------------------
 *
 * TclInitEncodingCmd --
 *
 *	This function creates the 'encoding' ensemble.
................................................................................
    int objc,
    Tcl_Obj *const objv[])
{
    if (objc < 2) {
	Tcl_WrongNumArgs(interp, 1, objv, "name ?name ...?");
	return TCL_ERROR;
    }
    Tcl_SetObjResult(interp, TclJoinPath(objc - 1, objv + 1, 0));
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * PathNativeNameCmd --

Changes to generic/tclCmdIL.c.

60
61
62
63
64
65
66
67
68

69
70
71
72
73
74
75
..
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
....
2750
2751
2752
2753
2754
2755
2756


2757
2758
2759
2760
2761
2762
2763
2764
2765
2766
2767
2768
2769
2770
2771
2772
2773
2774
2775
2776
2777
2778
....
2909
2910
2911
2912
2913
2914
2915
2916
2917
2918
2919
2920
2921
2922
2923
....
3109
3110
3111
3112
3113
3114
3115
3116

3117












3118
3119
3120
3121
3122

3123
3124
3125
3126
3127
3128
3129
....
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
....
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
....
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
3738
3739
3740
3741
3742
....
3754
3755
3756
3757
3758
3759
3760

3761
3762












3763
3764
3765
3766
3767
3768
3769
....
3835
3836
3837
3838
3839
3840
3841
3842
3843
3844
3845
3846
3847
3848
3849
3850
....
3907
3908
3909
3910
3911
3912
3913
3914
3915
3916
3917
3918
3919
3920
3921
3922
3923
3924
....
3929
3930
3931
3932
3933
3934
3935



3936
3937
3938
3939
3940
3941
3942
....
4341
4342
4343
4344
4345
4346
4347
4348
4349
4350
4351
4352
4353
4354
4355
....
4497
4498
4499
4500
4501
4502
4503
4504
4505
4506
4507
4508
4509
4510
4511
4512

4513
4514
4515
4516
4517
4518
4519
    int isIncreasing;		/* Nonzero means sort in increasing order. */
    int sortMode;		/* The sort mode. One of SORTMODE_* values
				 * defined below. */
    Tcl_Obj *compareCmdPtr;	/* The Tcl comparison command when sortMode is
				 * SORTMODE_COMMAND. Pre-initialized to hold
				 * base of command. */
    int *indexv;		/* If the -index option was specified, this
				 * holds the indexes contained in the list
				 * supplied as an argument to that option.

				 * NULL if no indexes supplied, and points to
				 * singleIndex field when only one
				 * supplied. */
    int indexc;			/* Number of indexes in indexv array. */
    int singleIndex;		/* Static space for common index case. */
    int unique;
    int numElements;
................................................................................
#define SORTMODE_ASCII		0
#define SORTMODE_INTEGER	1
#define SORTMODE_REAL		2
#define SORTMODE_COMMAND	3
#define SORTMODE_DICTIONARY	4
#define SORTMODE_ASCII_NC	8

/*
 * Magic values for the index field of the SortInfo structure. Note that the
 * index "end-1" will be translated to SORTIDX_END-1, etc.
 */

#define SORTIDX_NONE	-1	/* Not indexed; use whole value. */
#define SORTIDX_END	-2	/* Indexed from end. */

/*
 * Forward declarations for procedures defined in this file:
 */

static int		DictionaryCompare(const char *left, const char *right);
static Tcl_NRPostProc	IfConditionCallback;
static int		InfoArgsCmd(ClientData dummy, Tcl_Interp *interp,
................................................................................
    if (result != TCL_OK) {
	return result;
    }

    if (first < 0) {
	first = 0;
    }



    /*
     * Complain if the user asked for a start element that is greater than the
     * list length. This won't ever trigger for the "end-*" case as that will
     * be properly constrained by TclGetIntForIndex because we use listLen-1
     * (to allow for replacing the last elem).
     */

    if ((first > listLen) && (listLen > 0)) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"list doesn't contain element %s", TclGetString(objv[2])));
	Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LREPLACE", "BADIDX",
		NULL);
	return TCL_ERROR;
    }
    if (last >= listLen) {
	last = listLen - 1;
    }
    if (first <= last) {
	numToDelete = last - first + 1;
    } else {
	numToDelete = 0;
................................................................................
Tcl_LsearchObjCmd(
    ClientData clientData,	/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument values. */
{
    const char *bytes, *patternBytes;
    int i, match, index, result, listc, length, elemLen, bisect;
    int dataType, isIncreasing, lower, upper, offset;
    Tcl_WideInt patWide, objWide;
    int allMatches, inlineReturn, negatedMatch, returnSubindices, noCase;
    double patDouble, objDouble;
    SortInfo sortInfo;
    Tcl_Obj *patObj, **listv, *listPtr, *startPtr, *itemPtr;
    SortStrCmpFn_t strCmpFn = strcmp;
................................................................................
	    /*
	     * Fill the array by parsing each index. We don't know whether
	     * their scale is sensible yet, but we at least perform the
	     * syntactic check here.
	     */

	    for (j=0 ; j<sortInfo.indexc ; j++) {
		if (TclGetIntForIndexM(interp, indices[j], SORTIDX_END,

			&sortInfo.indexv[j]) != TCL_OK) {












		    Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
			    "\n    (-index option item number %d)", j));
		    result = TCL_ERROR;
		    goto done;
		}

	    }
	    break;
	}
	}
    }

    /*
................................................................................
		}
		Tcl_ListObjAppendElement(interp, listPtr, itemPtr);
	    } else if (returnSubindices) {
		int j;

		itemPtr = Tcl_NewIntObj(i);
		for (j=0 ; j<sortInfo.indexc ; j++) {
		    Tcl_ListObjAppendElement(interp, itemPtr,
			    Tcl_NewIntObj(sortInfo.indexv[j]));
		}
		Tcl_ListObjAppendElement(interp, listPtr, itemPtr);
	    } else {
		Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewIntObj(i));
	    }
	}
    }
................................................................................
	Tcl_SetObjResult(interp, listPtr);
    } else if (!inlineReturn) {
	if (returnSubindices) {
	    int j;

	    itemPtr = Tcl_NewIntObj(index);
	    for (j=0 ; j<sortInfo.indexc ; j++) {
		Tcl_ListObjAppendElement(interp, itemPtr,
			Tcl_NewIntObj(sortInfo.indexv[j]));
	    }
	    Tcl_SetObjResult(interp, itemPtr);
	} else {
	    Tcl_SetObjResult(interp, Tcl_NewIntObj(index));
	}
    } else if (index < 0) {
	/*
................................................................................
	case LSORT_DICTIONARY:
	    sortInfo.sortMode = SORTMODE_DICTIONARY;
	    break;
	case LSORT_INCREASING:
	    sortInfo.isIncreasing = 1;
	    break;
	case LSORT_INDEX: {
	    int indexc, dummy;
	    Tcl_Obj **indexv;

	    if (i == objc-2) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"\"-index\" option must be followed by list index",
			-1));
		Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL);
................................................................................
	     * we do not store the converted values here because we do not
	     * know if this is the only -index option yet and so we can't
	     * allocate any space; that happens after the scan through all the
	     * options is done.
	     */

	    for (j=0 ; j<indexc ; j++) {

		if (TclGetIntForIndexM(interp, indexv[j], SORTIDX_END,
			&dummy) != TCL_OK) {












		    Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
			    "\n    (-index option item number %d)", j));
		    sortInfo.resultCode = TCL_ERROR;
		    goto done;
		}
	    }
	    indexPtr = objv[i+1];
................................................................................
	default:
	    sortInfo.indexv =
		    TclStackAlloc(interp, sizeof(int) * sortInfo.indexc);
	    allocatedIndexVector = 1;	/* Cannot use indexc field, as it
					 * might be decreased by 1 later. */
	}
	for (j=0 ; j<sortInfo.indexc ; j++) {
	    TclGetIntForIndexM(interp, indexv[j], SORTIDX_END,
		    &sortInfo.indexv[j]);
	}
    }

    listObj = objv[objc-1];

    if (sortInfo.sortMode == SORTMODE_COMMAND) {
	Tcl_Obj *newCommandPtr, *newObjPtr;
................................................................................
	length = length / groupSize;
	if (sortInfo.indexc > 0) {
	    /*
	     * Use the first value in the list supplied to -index as the
	     * offset of the element within each group by which to sort.
	     */

	    groupOffset = sortInfo.indexv[0];
	    if (groupOffset <= SORTIDX_END) {
		groupOffset = (groupOffset - SORTIDX_END) + groupSize - 1;
	    }
	    if (groupOffset < 0 || groupOffset >= groupSize) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"when used with \"-stride\", the leading \"-index\""
			" value must be within the group", -1));
		Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSORT",
			"BADINDEX", NULL);
		sortInfo.resultCode = TCL_ERROR;
................................................................................
		sortInfo.indexv = NULL;
	    } else {
		sortInfo.indexc--;

		/*
		 * Do not shrink the actual memory block used; that doesn't
		 * work with TclStackAlloc-allocated memory. [Bug 2918962]



		 */

		for (i = 0; i < sortInfo.indexc; i++) {
		    sortInfo.indexv[i] = sortInfo.indexv[i+1];
		}
	    }
	}
................................................................................
 *----------------------------------------------------------------------
 */

static int
DictionaryCompare(
    const char *left, const char *right)	/* The strings to compare. */
{
    Tcl_UniChar uniLeft, uniRight, uniLeftLower, uniRightLower;
    int diff, zeros;
    int secondaryDiff = 0;

    while (1) {
	if (isdigit(UCHAR(*right))		/* INTL: digit */
		&& isdigit(UCHAR(*left))) {	/* INTL: digit */
	    /*
................................................................................
	int listLen, index;
	Tcl_Obj *currentObj;

	if (TclListObjLength(infoPtr->interp, objPtr, &listLen) != TCL_OK) {
	    infoPtr->resultCode = TCL_ERROR;
	    return NULL;
	}
	index = infoPtr->indexv[i];

	/*
	 * Adjust for end-based indexing.
	 */

	if (index < SORTIDX_NONE) {
	    index += listLen + 1;
	}


	if (Tcl_ListObjIndex(infoPtr->interp, objPtr, index,
		&currentObj) != TCL_OK) {
	    infoPtr->resultCode = TCL_ERROR;
	    return NULL;
	}
	if (currentObj == NULL) {






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60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
..
89
90
91
92
93
94
95








96
97
98
99
100
101
102
....
2743
2744
2745
2746
2747
2748
2749
2750
2751
2752






2753







2754
2755
2756
2757
2758
2759
2760
....
2891
2892
2893
2894
2895
2896
2897
2898
2899
2900
2901
2902
2903
2904
2905
....
3091
3092
3093
3094
3095
3096
3097
3098
3099
3100
3101
3102
3103
3104
3105
3106
3107
3108
3109
3110
3111
3112
3113
3114

3115
3116
3117
3118
3119
3120
3121
3122
3123
3124
....
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
....
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
....
3723
3724
3725
3726
3727
3728
3729
3730
3731
3732
3733
3734
3735
3736
3737
....
3749
3750
3751
3752
3753
3754
3755
3756
3757

3758
3759
3760
3761
3762
3763
3764
3765
3766
3767
3768
3769
3770
3771
3772
3773
3774
3775
3776
....
3842
3843
3844
3845
3846
3847
3848
3849
3850
3851
3852
3853
3854
3855
3856
3857
....
3914
3915
3916
3917
3918
3919
3920
3921



3922
3923
3924
3925
3926
3927
3928
....
3933
3934
3935
3936
3937
3938
3939
3940
3941
3942
3943
3944
3945
3946
3947
3948
3949
....
4348
4349
4350
4351
4352
4353
4354
4355
4356
4357
4358
4359
4360
4361
4362
....
4504
4505
4506
4507
4508
4509
4510

4511







4512
4513
4514
4515
4516
4517
4518
4519
    int isIncreasing;		/* Nonzero means sort in increasing order. */
    int sortMode;		/* The sort mode. One of SORTMODE_* values
				 * defined below. */
    Tcl_Obj *compareCmdPtr;	/* The Tcl comparison command when sortMode is
				 * SORTMODE_COMMAND. Pre-initialized to hold
				 * base of command. */
    int *indexv;		/* If the -index option was specified, this
				 * holds an encoding of the indexes contained
				 * in the list supplied as an argument to
				 * that option.
				 * NULL if no indexes supplied, and points to
				 * singleIndex field when only one
				 * supplied. */
    int indexc;			/* Number of indexes in indexv array. */
    int singleIndex;		/* Static space for common index case. */
    int unique;
    int numElements;
................................................................................
#define SORTMODE_ASCII		0
#define SORTMODE_INTEGER	1
#define SORTMODE_REAL		2
#define SORTMODE_COMMAND	3
#define SORTMODE_DICTIONARY	4
#define SORTMODE_ASCII_NC	8









/*
 * Forward declarations for procedures defined in this file:
 */

static int		DictionaryCompare(const char *left, const char *right);
static Tcl_NRPostProc	IfConditionCallback;
static int		InfoArgsCmd(ClientData dummy, Tcl_Interp *interp,
................................................................................
    if (result != TCL_OK) {
	return result;
    }

    if (first < 0) {
	first = 0;
    }
    if (first > listLen) {
	first = listLen;
    }














    if (last >= listLen) {
	last = listLen - 1;
    }
    if (first <= last) {
	numToDelete = last - first + 1;
    } else {
	numToDelete = 0;
................................................................................
Tcl_LsearchObjCmd(
    ClientData clientData,	/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument values. */
{
    const char *bytes, *patternBytes;
    int i, match, index, result=TCL_OK, listc, length, elemLen, bisect;
    int dataType, isIncreasing, lower, upper, offset;
    Tcl_WideInt patWide, objWide;
    int allMatches, inlineReturn, negatedMatch, returnSubindices, noCase;
    double patDouble, objDouble;
    SortInfo sortInfo;
    Tcl_Obj *patObj, **listv, *listPtr, *startPtr, *itemPtr;
    SortStrCmpFn_t strCmpFn = strcmp;
................................................................................
	    /*
	     * Fill the array by parsing each index. We don't know whether
	     * their scale is sensible yet, but we at least perform the
	     * syntactic check here.
	     */

	    for (j=0 ; j<sortInfo.indexc ; j++) {
		int encoded = 0;
		if (TclIndexEncode(interp, indices[j], TCL_INDEX_BEFORE,
			TCL_INDEX_AFTER, &encoded) != TCL_OK) {
		    result = TCL_ERROR;
		}
		if ((encoded == TCL_INDEX_BEFORE)
			|| (encoded == TCL_INDEX_AFTER)) {
		    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			    "index \"%s\" cannot select an element "
			    "from any list", Tcl_GetString(indices[j])));
		    Tcl_SetErrorCode(interp, "TCL", "VALUE", "INDEX"
			    "OUTOFRANGE", NULL);
		    result = TCL_ERROR;
		}
		if (result == TCL_ERROR) {
		    Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
			    "\n    (-index option item number %d)", j));

		    goto done;
		}
		sortInfo.indexv[j] = encoded;
	    }
	    break;
	}
	}
    }

    /*
................................................................................
		}
		Tcl_ListObjAppendElement(interp, listPtr, itemPtr);
	    } else if (returnSubindices) {
		int j;

		itemPtr = Tcl_NewIntObj(i);
		for (j=0 ; j<sortInfo.indexc ; j++) {
		    Tcl_ListObjAppendElement(interp, itemPtr, Tcl_NewIntObj(
			    TclIndexDecode(sortInfo.indexv[j], listc)));
		}
		Tcl_ListObjAppendElement(interp, listPtr, itemPtr);
	    } else {
		Tcl_ListObjAppendElement(interp, listPtr, Tcl_NewIntObj(i));
	    }
	}
    }
................................................................................
	Tcl_SetObjResult(interp, listPtr);
    } else if (!inlineReturn) {
	if (returnSubindices) {
	    int j;

	    itemPtr = Tcl_NewIntObj(index);
	    for (j=0 ; j<sortInfo.indexc ; j++) {
		Tcl_ListObjAppendElement(interp, itemPtr, Tcl_NewIntObj(
			TclIndexDecode(sortInfo.indexv[j], listc)));
	    }
	    Tcl_SetObjResult(interp, itemPtr);
	} else {
	    Tcl_SetObjResult(interp, Tcl_NewIntObj(index));
	}
    } else if (index < 0) {
	/*
................................................................................
	case LSORT_DICTIONARY:
	    sortInfo.sortMode = SORTMODE_DICTIONARY;
	    break;
	case LSORT_INCREASING:
	    sortInfo.isIncreasing = 1;
	    break;
	case LSORT_INDEX: {
	    int indexc;
	    Tcl_Obj **indexv;

	    if (i == objc-2) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"\"-index\" option must be followed by list index",
			-1));
		Tcl_SetErrorCode(interp, "TCL", "ARGUMENT", "MISSING", NULL);
................................................................................
	     * we do not store the converted values here because we do not
	     * know if this is the only -index option yet and so we can't
	     * allocate any space; that happens after the scan through all the
	     * options is done.
	     */

	    for (j=0 ; j<indexc ; j++) {
		int encoded = 0;
		int result = TclIndexEncode(interp, indexv[j],

			TCL_INDEX_BEFORE, TCL_INDEX_AFTER, &encoded);

		if ((result == TCL_OK) && ((encoded == TCL_INDEX_BEFORE)
			|| (encoded == TCL_INDEX_AFTER))) {
		    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
			    "index \"%s\" cannot select an element "
			    "from any list", Tcl_GetString(indexv[j])));
		    Tcl_SetErrorCode(interp, "TCL", "VALUE", "INDEX"
			    "OUTOFRANGE", NULL);
		    result = TCL_ERROR;
		}
		if (result == TCL_ERROR) {
		    Tcl_AppendObjToErrorInfo(interp, Tcl_ObjPrintf(
			    "\n    (-index option item number %d)", j));
		    sortInfo.resultCode = TCL_ERROR;
		    goto done;
		}
	    }
	    indexPtr = objv[i+1];
................................................................................
	default:
	    sortInfo.indexv =
		    TclStackAlloc(interp, sizeof(int) * sortInfo.indexc);
	    allocatedIndexVector = 1;	/* Cannot use indexc field, as it
					 * might be decreased by 1 later. */
	}
	for (j=0 ; j<sortInfo.indexc ; j++) {
	    /* Prescreened values, no errors or out of range possible */
	    TclIndexEncode(NULL, indexv[j], 0, 0, &sortInfo.indexv[j]);
	}
    }

    listObj = objv[objc-1];

    if (sortInfo.sortMode == SORTMODE_COMMAND) {
	Tcl_Obj *newCommandPtr, *newObjPtr;
................................................................................
	length = length / groupSize;
	if (sortInfo.indexc > 0) {
	    /*
	     * Use the first value in the list supplied to -index as the
	     * offset of the element within each group by which to sort.
	     */

	    groupOffset = TclIndexDecode(sortInfo.indexv[0], groupSize - 1);



	    if (groupOffset < 0 || groupOffset >= groupSize) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"when used with \"-stride\", the leading \"-index\""
			" value must be within the group", -1));
		Tcl_SetErrorCode(interp, "TCL", "OPERATION", "LSORT",
			"BADINDEX", NULL);
		sortInfo.resultCode = TCL_ERROR;
................................................................................
		sortInfo.indexv = NULL;
	    } else {
		sortInfo.indexc--;

		/*
		 * Do not shrink the actual memory block used; that doesn't
		 * work with TclStackAlloc-allocated memory. [Bug 2918962]
		 * 
		 * TODO: Consider a pointer increment to replace this
		 * array shift.
		 */

		for (i = 0; i < sortInfo.indexc; i++) {
		    sortInfo.indexv[i] = sortInfo.indexv[i+1];
		}
	    }
	}
................................................................................
 *----------------------------------------------------------------------
 */

static int
DictionaryCompare(
    const char *left, const char *right)	/* The strings to compare. */
{
    Tcl_UniChar uniLeft = 0, uniRight = 0, uniLeftLower, uniRightLower;
    int diff, zeros;
    int secondaryDiff = 0;

    while (1) {
	if (isdigit(UCHAR(*right))		/* INTL: digit */
		&& isdigit(UCHAR(*left))) {	/* INTL: digit */
	    /*
................................................................................
	int listLen, index;
	Tcl_Obj *currentObj;

	if (TclListObjLength(infoPtr->interp, objPtr, &listLen) != TCL_OK) {
	    infoPtr->resultCode = TCL_ERROR;
	    return NULL;
	}









	index = TclIndexDecode(infoPtr->indexv[i], listLen - 1);

	if (Tcl_ListObjIndex(infoPtr->interp, objPtr, index,
		&currentObj) != TCL_OK) {
	    infoPtr->resultCode = TCL_ERROR;
	    return NULL;
	}
	if (currentObj == NULL) {

Changes to generic/tclCmdMZ.c.

306
307
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....
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....
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1084








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....
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....
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....
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....
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....
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....
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....
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....
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....
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....
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4278






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....
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4310
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....
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....
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....
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4435


4436
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4440
4441
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....
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....
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4499
	 * start of the string unless the previous character is a newline.
	 */

	if (offset == 0) {
	    eflags = 0;
	} else if (offset > stringLength) {
	    eflags = TCL_REG_NOTBOL;
	} else if (Tcl_GetUniChar(objPtr, offset-1) == (Tcl_UniChar)'\n') {
	    eflags = 0;
	} else {
	    eflags = TCL_REG_NOTBOL;
	}

	match = Tcl_RegExpExecObj(interp, regExpr, objPtr, offset,
		numMatchesSaved, eflags);
................................................................................
int
Tcl_SplitObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar ch;
    int len;
    const char *splitChars;
    const char *stringPtr;
    const char *end;
    int splitCharLen, stringLen;
    Tcl_Obj *listPtr, *objPtr;

................................................................................
	 * is a *major* win when splitting on a long string (especially in the
	 * megabyte range!) - DKF
	 */

	Tcl_InitHashTable(&charReuseTable, TCL_ONE_WORD_KEYS);

	for ( ; stringPtr < end; stringPtr += len) {

	    len = TclUtfToUniChar(stringPtr, &ch);









	    /*
	     * Assume Tcl_UniChar is an integral type...
	     */

	    hPtr = Tcl_CreateHashEntry(&charReuseTable, INT2PTR((int) ch),
		    &isNew);
	    if (isNew) {
		TclNewStringObj(objPtr, stringPtr, len);

		/*
		 * Don't need to fiddle with refcount...
		 */
................................................................................
	    stringPtr = p + 1;
	}
	TclNewStringObj(objPtr, stringPtr, end - stringPtr);
	Tcl_ListObjAppendElement(NULL, listPtr, objPtr);
    } else {
	const char *element, *p, *splitEnd;
	int splitLen;
	Tcl_UniChar splitChar;

	/*
	 * Normal case: split on any of a given set of characters. Discard
	 * instances of the split characters.
	 */

	splitEnd = splitChars + splitCharLen;
................................................................................
	 */

	if (TclIsPureByteArray(objv[1])) {
	    unsigned char uch = (unsigned char) ch;

	    Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(&uch, 1));
	} else {
	    char buf[TCL_UTF_MAX];

	    length = Tcl_UniCharToUtf(ch, buf);





	    Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, length));
	}
    }
    return TCL_OK;
}
 
/*
................................................................................
StringIsCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    const char *string1, *end, *stop;
    Tcl_UniChar ch;
    int (*chcomp)(int) = NULL;	/* The UniChar comparison function. */
    int i, failat = 0, result = 1, strict = 0, index, length1, length2;
    Tcl_Obj *objPtr, *failVarObj = NULL;
    Tcl_WideInt w;

    static const char *const isClasses[] = {
	"alnum",	"alpha",	"ascii",	"control",
................................................................................
    case STR_IS_CONTROL:
	chcomp = Tcl_UniCharIsControl;
	break;
    case STR_IS_DIGIT:
	chcomp = Tcl_UniCharIsDigit;
	break;
    case STR_IS_DOUBLE: {
	/* TODO */
	if ((objPtr->typePtr == &tclDoubleType) ||
		(objPtr->typePtr == &tclIntType) ||
#ifndef TCL_WIDE_INT_IS_LONG
		(objPtr->typePtr == &tclWideIntType) ||
#endif
		(objPtr->typePtr == &tclBignumType)) {
	    break;
................................................................................
	    if (strict) {
		result = 0;
	    }
	    goto str_is_done;
	}
	end = string1 + length1;
	for (; string1 < end; string1 += length2, failat++) {

	    length2 = TclUtfToUniChar(string1, &ch);







	    if (!chcomp(ch)) {
		result = 0;
		break;
	    }
	}
    }

    /*
................................................................................
	return TCL_ERROR;
    }

    if (objc == 4) {
	const char *string = TclGetStringFromObj(objv[1], &length2);

	if ((length2 > 1) &&
		strncmp(string, "-nocase", (size_t) length2) == 0) {
	    nocase = 1;
	} else {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "bad option \"%s\": must be -nocase", string));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
		    string, NULL);
	    return TCL_ERROR;
................................................................................
    }

    if (objc == 4) {
	int length;
	const char *string = TclGetStringFromObj(objv[1], &length);

	if ((length > 1) &&
	    strncmp(string, "-nocase", (size_t) length) == 0) {
	    nocase = TCL_MATCH_NOCASE;
	} else {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "bad option \"%s\": must be -nocase", string));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
		    string, NULL);
	    return TCL_ERROR;
................................................................................
StringRplcCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar *ustring;
    int first, last, length;

    if (objc < 4 || objc > 5) {
	Tcl_WrongNumArgs(interp, 1, objv, "string first last ?string?");
	return TCL_ERROR;
    }

    ustring = Tcl_GetUnicodeFromObj(objv[1], &length);
    length--;

    if (TclGetIntForIndexM(interp, objv[2], length, &first) != TCL_OK ||
	    TclGetIntForIndexM(interp, objv[3], length, &last) != TCL_OK){
	return TCL_ERROR;
    }

    if ((last < first) || (last < 0) || (first > length)) {














	Tcl_SetObjResult(interp, objv[1]);
    } else {
	Tcl_Obj *resultPtr;






	ustring = Tcl_GetUnicodeFromObj(objv[1], &length);
	length--;

	if (first < 0) {
	    first = 0;
	}

	resultPtr = Tcl_NewUnicodeObj(ustring, first);
	if (objc == 5) {
	    Tcl_AppendObjToObj(resultPtr, objv[4]);
	}
	if (last < length) {
	    Tcl_AppendUnicodeToObj(resultPtr, ustring + last + 1,
		    length - last);
	}
	Tcl_SetObjResult(interp, resultPtr);
    }
    return TCL_OK;
}
 
/*
................................................................................
static int
StringStartCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar ch;
    const char *p, *string;
    int cur, index, length, numChars;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "string index");
	return TCL_ERROR;
    }
................................................................................
static int
StringEndCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar ch;
    const char *p, *end, *string;
    int cur, index, length, numChars;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "string index");
	return TCL_ERROR;
    }
................................................................................
{
    /*
     * Remember to keep code here in some sync with the byte-compiled versions
     * in tclExecute.c (INST_STR_EQ, INST_STR_NEQ and INST_STR_CMP as well as
     * the expr string comparison in INST_EQ/INST_NEQ/INST_LT/...).
     */

    const char *string1, *string2;
    int length1, length2, i, match, length, nocase = 0, reqlength = -1;
    typedef int (*strCmpFn_t)(const char *, const char *, unsigned int);
    strCmpFn_t strCmpFn;

    if (objc < 3 || objc > 6) {
    str_cmp_args:
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-nocase? ?-length int? string1 string2");
	return TCL_ERROR;
    }

    for (i = 1; i < objc-2; i++) {
	string2 = TclGetStringFromObj(objv[i], &length2);
	if ((length2 > 1) && !strncmp(string2, "-nocase", (size_t)length2)) {
	    nocase = 1;
	} else if ((length2 > 1)
		&& !strncmp(string2, "-length", (size_t)length2)) {
	    if (i+1 >= objc-2) {
		goto str_cmp_args;
	    }
	    i++;
	    if (TclGetIntFromObj(interp, objv[i], &reqlength) != TCL_OK) {
		return TCL_ERROR;
	    }
................................................................................

    /*
     * From now on, we only access the two objects at the end of the argument
     * array.
     */

    objv += objc-2;

    if ((reqlength == 0) || (objv[0] == objv[1])) {
	/*
	 * Always match at 0 chars of if it is the same obj.
	 */

	Tcl_SetObjResult(interp, Tcl_NewBooleanObj(1));
	return TCL_OK;
    }

    if (!nocase && TclIsPureByteArray(objv[0]) &&
	    TclIsPureByteArray(objv[1])) {
	/*
	 * Use binary versions of comparisons since that won't cause undue
	 * type conversions and it is much faster. Only do this if we're
	 * case-sensitive (which is all that really makes sense with byte
	 * arrays anyway, and we have no memcasecmp() for some reason... :^)
	 */

	string1 = (char *) Tcl_GetByteArrayFromObj(objv[0], &length1);
	string2 = (char *) Tcl_GetByteArrayFromObj(objv[1], &length2);
	strCmpFn = (strCmpFn_t) memcmp;
    } else if ((objv[0]->typePtr == &tclStringType)
	    && (objv[1]->typePtr == &tclStringType)) {
	/*
	 * Do a unicode-specific comparison if both of the args are of String
	 * type. In benchmark testing this proved the most efficient check
	 * between the unicode and string comparison operations.
	 */

	string1 = (char *) Tcl_GetUnicodeFromObj(objv[0], &length1);
	string2 = (char *) Tcl_GetUnicodeFromObj(objv[1], &length2);
	strCmpFn = (strCmpFn_t)
		(nocase ? Tcl_UniCharNcasecmp : Tcl_UniCharNcmp);
    } else {
	/*
	 * As a catch-all we will work with UTF-8. We cannot use memcmp() as
	 * that is unsafe with any string containing NUL (\xC0\x80 in Tcl's
	 * utf rep). We can use the more efficient TclpUtfNcmp2 if we are
	 * case-sensitive and no specific length was requested.
	 */

	string1 = (char *) TclGetStringFromObj(objv[0], &length1);
	string2 = (char *) TclGetStringFromObj(objv[1], &length2);
	if ((reqlength < 0) && !nocase) {
	    strCmpFn = (strCmpFn_t) TclpUtfNcmp2;
	} else {
	    length1 = Tcl_NumUtfChars(string1, length1);
	    length2 = Tcl_NumUtfChars(string2, length2);
	    strCmpFn = (strCmpFn_t) (nocase ? Tcl_UtfNcasecmp : Tcl_UtfNcmp);
	}
    }

    if ((reqlength < 0) && (length1 != length2)) {
	match = 1;		/* This will be reversed below. */
    } else {
	length = (length1 < length2) ? length1 : length2;
	if (reqlength > 0 && reqlength < length) {
	    length = reqlength;
	} else if (reqlength < 0) {
	    /*
	     * The requested length is negative, so we ignore it by setting it
	     * to length + 1 so we correct the match var.
	     */

	    reqlength = length + 1;
	}

	match = strCmpFn(string1, string2, (unsigned) length);
	if ((match == 0) && (reqlength > length)) {
	    match = length1 - length2;
	}
    }


    Tcl_SetObjResult(interp, Tcl_NewBooleanObj(match ? 0 : 1));
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................
{
    /*
     * Remember to keep code here in some sync with the byte-compiled versions
     * in tclExecute.c (INST_STR_EQ, INST_STR_NEQ and INST_STR_CMP as well as
     * the expr string comparison in INST_EQ/INST_NEQ/INST_LT/...).
     */

    const char *string1, *string2;
    int length1, length2, i, match, length, nocase = 0, reqlength = -1;
    typedef int (*strCmpFn_t)(const char *, const char *, unsigned int);
    strCmpFn_t strCmpFn;

    if (objc < 3 || objc > 6) {
    str_cmp_args:
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-nocase? ?-length int? string1 string2");


	return TCL_ERROR;
    }

    for (i = 1; i < objc-2; i++) {
	string2 = TclGetStringFromObj(objv[i], &length2);
	if ((length2 > 1) && !strncmp(string2, "-nocase", (size_t)length2)) {
	    nocase = 1;
	} else if ((length2 > 1)
		&& !strncmp(string2, "-length", (size_t)length2)) {
	    if (i+1 >= objc-2) {
		goto str_cmp_args;
	    }
	    i++;
	    if (TclGetIntFromObj(interp, objv[i], &reqlength) != TCL_OK) {
		return TCL_ERROR;
	    }
	} else {

	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "bad option \"%s\": must be -nocase or -length",
		    string2));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
		    string2, NULL);
	    return TCL_ERROR;
	}
    }

    /*
     * From now on, we only access the two objects at the end of the argument
     * array.















     */










    objv += objc-2;



    if ((reqlength == 0) || (objv[0] == objv[1])) {
	/*
	 * Always match at 0 chars of if it is the same obj.
	 */

	Tcl_SetObjResult(interp, Tcl_NewBooleanObj(0));
	return TCL_OK;
    }

    if (!nocase && TclIsPureByteArray(objv[0]) &&
	    TclIsPureByteArray(objv[1])) {
	/*
	 * Use binary versions of comparisons since that won't cause undue
	 * type conversions and it is much faster. Only do this if we're
	 * case-sensitive (which is all that really makes sense with byte
	 * arrays anyway, and we have no memcasecmp() for some reason... :^)
	 */

	string1 = (char *) Tcl_GetByteArrayFromObj(objv[0], &length1);
	string2 = (char *) Tcl_GetByteArrayFromObj(objv[1], &length2);
	strCmpFn = (strCmpFn_t) memcmp;
    } else if ((objv[0]->typePtr == &tclStringType)
	    && (objv[1]->typePtr == &tclStringType)) {
	/*
	 * Do a unicode-specific comparison if both of the args are of String

	 * type. In benchmark testing this proved the most efficient check
	 * between the unicode and string comparison operations.
	 */


	string1 = (char *) Tcl_GetUnicodeFromObj(objv[0], &length1);
	string2 = (char *) Tcl_GetUnicodeFromObj(objv[1], &length2);
	strCmpFn = (strCmpFn_t)
		(nocase ? Tcl_UniCharNcasecmp : Tcl_UniCharNcmp);
    } else {




























	/*











































	 * As a catch-all we will work with UTF-8. We cannot use memcmp() as
	 * that is unsafe with any string containing NUL (\xC0\x80 in Tcl's
	 * utf rep). We can use the more efficient TclpUtfNcmp2 if we are
	 * case-sensitive and no specific length was requested.
	 */

	string1 = (char *) TclGetStringFromObj(objv[0], &length1);
	string2 = (char *) TclGetStringFromObj(objv[1], &length2);
	if ((reqlength < 0) && !nocase) {
	    strCmpFn = (strCmpFn_t) TclpUtfNcmp2;
	} else {
	    length1 = Tcl_NumUtfChars(string1, length1);
	    length2 = Tcl_NumUtfChars(string2, length2);

	    strCmpFn = (strCmpFn_t) (nocase ? Tcl_UtfNcasecmp : Tcl_UtfNcmp);

	}
    }

    length = (length1 < length2) ? length1 : length2;
    if (reqlength > 0 && reqlength < length) {
	length = reqlength;
    } else if (reqlength < 0) {
	/*
	 * The requested length is negative, so we ignore it by setting it to
	 * length + 1 so we correct the match var.
	 */

	reqlength = length + 1;
    }

    match = strCmpFn(string1, string2, (unsigned) length);








    if ((match == 0) && (reqlength > length)) {
	match = length1 - length2;

    }




































    Tcl_SetObjResult(interp,
	    Tcl_NewIntObj((match > 0) ? 1 : (match < 0) ? -1 : 0));







    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * StringCatCmd --
................................................................................
	length2 = strlen(tclDefaultTrimSet);
    } else {
	Tcl_WrongNumArgs(interp, 1, objv, "string ?chars?");
	return TCL_ERROR;
    }
    string1 = TclGetStringFromObj(objv[1], &length1);

    triml = TclTrimLeft(string1, length1, string2, length2);
    trimr = TclTrimRight(string1 + triml, length1 - triml, string2, length2);

    Tcl_SetObjResult(interp,
	    Tcl_NewStringObj(string1 + triml, length1 - triml - trimr));
    return TCL_OK;
}
 
/*
................................................................................
#endif

    if (count <= 1) {
	/*
	 * Use int obj since we know time is not fractional. [Bug 1202178]
	 */

	objs[0] = Tcl_NewIntObj((count <= 0) ? 0 : (int) totalMicroSec);
    } else {
	objs[0] = Tcl_NewDoubleObj(totalMicroSec/count);
    }

    /*
     * Construct the result as a list because many programs have always parsed
     * as such (extracting the first element, typically).
................................................................................
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_TimeRateObjCmd --
 *
 *	This object-based procedure is invoked to process the "timerate" Tcl
 *	command. 
 *	This is similar to command "time", except the execution limited by 
 *	given time (in milliseconds) instead of repetition count.
 *
 * Example:
 *	timerate {after 5} 1000 ; # equivalent for `time {after 5} [expr 1000/5]`
 *
 * Results:
 *	A standard Tcl object result.
................................................................................
int
Tcl_TimeRateObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    static 
    double measureOverhead = 0; /* global measure-overhead */
    double overhead = -1;	/* given measure-overhead */
    register Tcl_Obj *objPtr;
    register int result, i;
    Tcl_Obj *calibrate = NULL, *direct = NULL;
    Tcl_WideInt count = 0;	/* Holds repetition count */
    Tcl_WideInt maxms = -0x7FFFFFFFFFFFFFFFL; 
				/* Maximal running time (in milliseconds) */


    Tcl_WideInt threshold = 1;	/* Current threshold for check time (faster
				 * repeat count without time check) */
    Tcl_WideInt maxIterTm = 1;	/* Max time of some iteration as max threshold
				 * additionally avoid divide to zero (never < 1) */


    register Tcl_WideInt start, middle, stop;
#ifndef TCL_WIDE_CLICKS
    Tcl_Time now;
#endif

    static const char *const options[] = {
	"-direct",	"-overhead",	"-calibrate",	"--",	NULL
................................................................................
	    break;
	case TMRT_CALIBRATE:
	    calibrate = objv[i];
	    break;
	}
    }

    if (i >= objc || i < objc-2) {
usage:
	Tcl_WrongNumArgs(interp, 1, objv, "?-direct? ?-calibrate? ?-overhead double? command ?time?");
	return TCL_ERROR;
    }
    objPtr = objv[i++];
    if (i < objc) {






	result = TclGetWideIntFromObj(interp, objv[i], &maxms);
	if (result != TCL_OK) {
	    return result;


	}
    }

    /* if calibrate */
    if (calibrate) {

	/* if no time specified for the calibration */
	if (maxms == -0x7FFFFFFFFFFFFFFFL) {
	    Tcl_Obj *clobjv[6];
	    Tcl_WideInt maxCalTime = 5000;
	    double lastMeasureOverhead = measureOverhead;
	    
	    clobjv[0] = objv[0]; 
	    i = 1;
	    if (direct) {
	    	clobjv[i++] = direct;
	    }
	    clobjv[i++] = objPtr; 

	    /* reset last measurement overhead */
	    measureOverhead = (double)0;

	    /* self-call with 100 milliseconds to warm-up,
	     * before entering the calibration cycle */
	    TclNewLongObj(clobjv[i], 100);
................................................................................
	    Tcl_DecrRefCount(clobjv[i]);
	    if (result != TCL_OK) {
		return result;
	    }

	    i--;
	    clobjv[i++] = calibrate;
	    clobjv[i++] = objPtr; 

	    /* set last measurement overhead to max */
	    measureOverhead = (double)0x7FFFFFFFFFFFFFFFL;

	    /* calibration cycle until it'll be preciser */
	    maxms = -1000;
	    do {
		lastMeasureOverhead = measureOverhead;
		TclNewLongObj(clobjv[i], (int)maxms);
		Tcl_IncrRefCount(clobjv[i]);
................................................................................
	    Tcl_SetObjResult(interp, Tcl_NewLongObj(0));
	    return TCL_OK;
	}

	/* if time is negative - make current overhead more precise */
	if (maxms > 0) {
	    /* set last measurement overhead to max */
	    measureOverhead = (double)0x7FFFFFFFFFFFFFFFL;
	} else {
	    maxms = -maxms;
	}

    }

    if (maxms == -0x7FFFFFFFFFFFFFFFL) {
    	maxms = 1000;
    }
    if (overhead == -1) {
	overhead = measureOverhead;
    }

    /* be sure that resetting of result will not smudge the further measurement */
................................................................................
    start = now.sec; start *= 1000000; start += now.usec;
    middle = start;
    /* time to stop execution (in microsecs) */
    stop = start + maxms * 1000;
#endif

    /* start measurement */

    while (1) {
    	/* eval single iteration */
    	count++;

	if (!direct) {
	    /* precompiled */
	    rootPtr = TOP_CB(interp);
................................................................................
	    result = TclNRExecuteByteCode(interp, codePtr);
	    result = TclNRRunCallbacks(interp, result, rootPtr);
	} else {
	    /* eval */
	    result = TclEvalObjEx(interp, objPtr, 0, NULL, 0);
	}
	if (result != TCL_OK) {


	    goto done;
	}




	

	/* don't check time up to threshold */
	if (--threshold > 0) continue;

	/* check stop time reached, estimate new threshold */
    #ifdef TCL_WIDE_CLICKS
	middle = TclpGetWideClicks();
    #else
	Tcl_GetTime(&now);
	middle = now.sec; middle *= 1000000; middle += now.usec;
    #endif
	if (middle >= stop) {
	    break;
	}

	/* don't calculate threshold by few iterations, because sometimes
	 * first iteration(s) can be too fast (cached, delayed clean up, etc) */
	if (count < 10) {
	   threshold = 1; continue;
	}

	/* average iteration time in microsecs */
	threshold = (middle - start) / count;
	if (threshold > maxIterTm) {
	    maxIterTm = threshold;





	}








	/* as relation between remaining time and time since last check */


	threshold = ((stop - middle) / maxIterTm) / 4;
	if (threshold > 100000) {	    /* fix for too large threshold */
	    threshold = 100000;
	}




    }

    {
	Tcl_Obj *objarr[8], **objs = objarr;
	Tcl_WideInt val;
	const char *fmt;

................................................................................
    #endif

	/* if not calibrate */
	if (!calibrate) {
	    /* minimize influence of measurement overhead */
	    if (overhead > 0) {
		/* estimate the time of overhead (microsecs) */
		Tcl_WideInt curOverhead = overhead * count;
		if (middle > curOverhead) {
		    middle -= curOverhead;
		} else {
		    middle = 1;
		}
	    }
	} else {
	    /* calibration - obtaining new measurement overhead */
	    if (measureOverhead > (double)middle / count) {
		measureOverhead = (double)middle / count;
	    }
................................................................................
	    if (val < 1000)  { fmt = "%.3f"; } else
	    if (val < 10000) { fmt = "%.2f"; } else
			     { fmt = "%.1f"; };
	    objs[0] = Tcl_ObjPrintf(fmt, ((double)middle)/count);
	}

	objs[2] = Tcl_NewWideIntObj(count); /* iterations */
	
	/* calculate speed as rate (count) per sec */
	if (!middle) middle++; /* +1 ms, just to avoid divide by zero */
	if (count < (0x7FFFFFFFFFFFFFFFL / 1000000)) {
	    val = (count * 1000000) / middle;
	    if (val < 100000) {
		if (val < 100)	{ fmt = "%.3f"; } else
		if (val < 1000) { fmt = "%.2f"; } else
				{ fmt = "%.1f"; };
		objs[4] = Tcl_ObjPrintf(fmt, ((double)(count * 1000000)) / middle);
	    } else {






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4521
4522
4523
4524
4525
4526
4527
4528
4529
4530
4531
4532
4533
4534
4535
4536
4537
4538
4539
4540
4541
4542
4543
4544
4545
4546
4547
4548
4549
4550
4551
4552
4553
4554
4555
4556
4557
4558
4559
4560
4561
4562
4563
4564
4565
4566
4567
4568
....
4574
4575
4576
4577
4578
4579
4580
4581
4582
4583
4584
4585
4586
4587
4588
4589
4590
4591
4592
....
4604
4605
4606
4607
4608
4609
4610
4611
4612
4613
4614
4615
4616
4617
4618
4619
4620
4621
	 * start of the string unless the previous character is a newline.
	 */

	if (offset == 0) {
	    eflags = 0;
	} else if (offset > stringLength) {
	    eflags = TCL_REG_NOTBOL;
	} else if (Tcl_GetUniChar(objPtr, offset-1) == '\n') {
	    eflags = 0;
	} else {
	    eflags = TCL_REG_NOTBOL;
	}

	match = Tcl_RegExpExecObj(interp, regExpr, objPtr, offset,
		numMatchesSaved, eflags);
................................................................................
int
Tcl_SplitObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar ch = 0;
    int len;
    const char *splitChars;
    const char *stringPtr;
    const char *end;
    int splitCharLen, stringLen;
    Tcl_Obj *listPtr, *objPtr;

................................................................................
	 * is a *major* win when splitting on a long string (especially in the
	 * megabyte range!) - DKF
	 */

	Tcl_InitHashTable(&charReuseTable, TCL_ONE_WORD_KEYS);

	for ( ; stringPtr < end; stringPtr += len) {
	    int fullchar;
	    len = TclUtfToUniChar(stringPtr, &ch);
	    fullchar = ch;

#if TCL_UTF_MAX == 4
	    if ((ch >= 0xD800) && (len < 3)) {
		len += TclUtfToUniChar(stringPtr + len, &ch);
		fullchar = (((fullchar & 0x3ff) << 10) | (ch & 0x3ff)) + 0x10000;
	    }
#endif

	    /*
	     * Assume Tcl_UniChar is an integral type...
	     */

	    hPtr = Tcl_CreateHashEntry(&charReuseTable, INT2PTR(fullchar),
		    &isNew);
	    if (isNew) {
		TclNewStringObj(objPtr, stringPtr, len);

		/*
		 * Don't need to fiddle with refcount...
		 */
................................................................................
	    stringPtr = p + 1;
	}
	TclNewStringObj(objPtr, stringPtr, end - stringPtr);
	Tcl_ListObjAppendElement(NULL, listPtr, objPtr);
    } else {
	const char *element, *p, *splitEnd;
	int splitLen;
	Tcl_UniChar splitChar = 0;

	/*
	 * Normal case: split on any of a given set of characters. Discard
	 * instances of the split characters.
	 */

	splitEnd = splitChars + splitCharLen;
................................................................................
	 */

	if (TclIsPureByteArray(objv[1])) {
	    unsigned char uch = (unsigned char) ch;

	    Tcl_SetObjResult(interp, Tcl_NewByteArrayObj(&uch, 1));
	} else {
	    char buf[TCL_UTF_MAX] = "";

	    length = Tcl_UniCharToUtf(ch, buf);
#if TCL_UTF_MAX > 3
	    if ((ch >= 0xD800) && (length < 3)) {
		length += Tcl_UniCharToUtf(-1, buf + length);
	    }
#endif
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(buf, length));
	}
    }
    return TCL_OK;
}
 
/*
................................................................................
StringIsCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    const char *string1, *end, *stop;
    Tcl_UniChar ch = 0;
    int (*chcomp)(int) = NULL;	/* The UniChar comparison function. */
    int i, failat = 0, result = 1, strict = 0, index, length1, length2;
    Tcl_Obj *objPtr, *failVarObj = NULL;
    Tcl_WideInt w;

    static const char *const isClasses[] = {
	"alnum",	"alpha",	"ascii",	"control",
................................................................................
    case STR_IS_CONTROL:
	chcomp = Tcl_UniCharIsControl;
	break;
    case STR_IS_DIGIT:
	chcomp = Tcl_UniCharIsDigit;
	break;
    case STR_IS_DOUBLE: {

	if ((objPtr->typePtr == &tclDoubleType) ||
		(objPtr->typePtr == &tclIntType) ||
#ifndef TCL_WIDE_INT_IS_LONG
		(objPtr->typePtr == &tclWideIntType) ||
#endif
		(objPtr->typePtr == &tclBignumType)) {
	    break;
................................................................................
	    if (strict) {
		result = 0;
	    }
	    goto str_is_done;
	}
	end = string1 + length1;
	for (; string1 < end; string1 += length2, failat++) {
	    int fullchar;
	    length2 = TclUtfToUniChar(string1, &ch);
	    fullchar = ch;
#if TCL_UTF_MAX == 4
	    if ((ch >= 0xD800) && (length2 < 3)) {
	    	length2 += TclUtfToUniChar(string1 + length2, &ch);
	    	fullchar = (((fullchar & 0x3ff) << 10) | (ch & 0x3ff)) + 0x10000;
	    }
#endif
	    if (!chcomp(fullchar)) {
		result = 0;
		break;
	    }
	}
    }

    /*
................................................................................
	return TCL_ERROR;
    }

    if (objc == 4) {
	const char *string = TclGetStringFromObj(objv[1], &length2);

	if ((length2 > 1) &&
		strncmp(string, "-nocase", length2) == 0) {
	    nocase = 1;
	} else {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "bad option \"%s\": must be -nocase", string));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
		    string, NULL);
	    return TCL_ERROR;
................................................................................
    }

    if (objc == 4) {
	int length;
	const char *string = TclGetStringFromObj(objv[1], &length);

	if ((length > 1) &&
	    strncmp(string, "-nocase", length) == 0) {
	    nocase = TCL_MATCH_NOCASE;
	} else {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		    "bad option \"%s\": must be -nocase", string));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
		    string, NULL);
	    return TCL_ERROR;
................................................................................
StringRplcCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar *ustring;
    int first, last, length, end;

    if (objc < 4 || objc > 5) {
	Tcl_WrongNumArgs(interp, 1, objv, "string first last ?string?");
	return TCL_ERROR;
    }

    ustring = Tcl_GetUnicodeFromObj(objv[1], &length);
    end = length - 1;

    if (TclGetIntForIndexM(interp, objv[2], end, &first) != TCL_OK ||
	    TclGetIntForIndexM(interp, objv[3], end, &last) != TCL_OK){
	return TCL_ERROR;
    }


    /*
     * The following test screens out most empty substrings as
     * candidates for replacement. When they are detected, no
     * replacement is done, and the result is the original string,
     */
    if ((last < 0) ||		/* Range ends before start of string */
	    (first > end) ||	/* Range begins after end of string */
	    (last < first)) {	/* Range begins after it starts */

	/*
	 * BUT!!! when (end < 0) -- an empty original string -- we can
	 * have (first <= end < 0 <= last) and an empty string is permitted
	 * to be replaced.
	 */
	Tcl_SetObjResult(interp, objv[1]);
    } else {
	Tcl_Obj *resultPtr;

	/*
	 * We are re-fetching in case the string argument is same value as
	 * an index argument, and shimmering cost us our ustring.
	 */

	ustring = Tcl_GetUnicodeFromObj(objv[1], &length);
	end = length-1;

	if (first < 0) {
	    first = 0;
	}

	resultPtr = Tcl_NewUnicodeObj(ustring, first);
	if (objc == 5) {
	    Tcl_AppendObjToObj(resultPtr, objv[4]);
	}
	if (last < end) {
	    Tcl_AppendUnicodeToObj(resultPtr, ustring + last + 1,
		    end - last);
	}
	Tcl_SetObjResult(interp, resultPtr);
    }
    return TCL_OK;
}
 
/*
................................................................................
static int
StringStartCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar ch = 0;
    const char *p, *string;
    int cur, index, length, numChars;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "string index");
	return TCL_ERROR;
    }
................................................................................
static int
StringEndCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{
    Tcl_UniChar ch = 0;
    const char *p, *end, *string;
    int cur, index, length, numChars;

    if (objc != 3) {
	Tcl_WrongNumArgs(interp, 1, objv, "string index");
	return TCL_ERROR;
    }
................................................................................
{
    /*
     * Remember to keep code here in some sync with the byte-compiled versions
     * in tclExecute.c (INST_STR_EQ, INST_STR_NEQ and INST_STR_CMP as well as
     * the expr string comparison in INST_EQ/INST_NEQ/INST_LT/...).
     */

    const char *string2;
    int length2, i, match, nocase = 0, reqlength = -1;



    if (objc < 3 || objc > 6) {
    str_cmp_args:
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-nocase? ?-length int? string1 string2");
	return TCL_ERROR;
    }

    for (i = 1; i < objc-2; i++) {
	string2 = TclGetStringFromObj(objv[i], &length2);
	if ((length2 > 1) && !strncmp(string2, "-nocase", length2)) {
	    nocase = 1;
	} else if ((length2 > 1)
		&& !strncmp(string2, "-length", length2)) {
	    if (i+1 >= objc-2) {
		goto str_cmp_args;
	    }
	    i++;
	    if (TclGetIntFromObj(interp, objv[i], &reqlength) != TCL_OK) {
		return TCL_ERROR;
	    }
................................................................................

    /*
     * From now on, we only access the two objects at the end of the argument
     * array.
     */

    objv += objc-2;










































































    match = TclStringCmp(objv[0], objv[1], 0, nocase, reqlength);
    Tcl_SetObjResult(interp, Tcl_NewBooleanObj(match ? 0 : 1));
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................
{
    /*
     * Remember to keep code here in some sync with the byte-compiled versions
     * in tclExecute.c (INST_STR_EQ, INST_STR_NEQ and INST_STR_CMP as well as
     * the expr string comparison in INST_EQ/INST_NEQ/INST_LT/...).
     */

    int match, nocase, reqlength, status;








    status = TclStringCmpOpts(interp, objc, objv, &nocase, &reqlength);
    if (status != TCL_OK) {
	return status;
    }







    objv += objc-2;







    match = TclStringCmp(objv[0], objv[1], 0, nocase, reqlength);
    Tcl_SetObjResult(interp, Tcl_NewIntObj(match));




    return TCL_OK;
}
 

/*


 *----------------------------------------------------------------------
 *
 * TclStringCmp --
 *
 *	This is the core of Tcl's string comparison. It only handles byte
 *	arrays, UNICODE strings and UTF-8 strings correctly.
 *
 * Results:
 *	-1 if value1Ptr is less than value2Ptr, 0 if they are equal, or 1 if
 *	value1Ptr is greater.
 *
 * Side effects:
 *	May cause string representations of objects to be allocated.
 *
 *----------------------------------------------------------------------
 */

int
TclStringCmp(
    Tcl_Obj *value1Ptr,
    Tcl_Obj *value2Ptr,
    int checkEq,		/* comparison is only for equality */
    int nocase,			/* comparison is not case sensitive */
    int reqlength)		/* requested length; -1 to compare whole
				 * strings */
{
    char *s1, *s2;
    int empty, length, match, s1len, s2len;
    memCmpFn_t memCmpFn;

    if ((reqlength == 0) || (value1Ptr == value2Ptr)) {
	/*
	 * Always match at 0 chars or if it is the same obj.
	 */


	return 0;
    }

    if (!nocase && TclIsPureByteArray(value1Ptr)
	    && TclIsPureByteArray(value2Ptr)) {
	/*
	 * Use binary versions of comparisons since that won't cause undue
	 * type conversions and it is much faster. Only do this if we're
	 * case-sensitive (which is all that really makes sense with byte
	 * arrays anyway, and we have no memcasecmp() for some reason... :^)
	 */

	s1 = (char *) Tcl_GetByteArrayFromObj(value1Ptr, &s1len);
	s2 = (char *) Tcl_GetByteArrayFromObj(value2Ptr, &s2len);
	memCmpFn = memcmp;
    } else if ((value1Ptr->typePtr == &tclStringType)
	    && (value2Ptr->typePtr == &tclStringType)) {
	/*
	 * Do a unicode-specific comparison if both of the args are of String
	 * type. If the char length == byte length, we can do a memcmp. In
	 * benchmark testing this proved the most efficient check between the
	 * unicode and string comparison operations.
	 */

	if (nocase) {
	    s1 = (char *) Tcl_GetUnicodeFromObj(value1Ptr, &s1len);
	    s2 = (char *) Tcl_GetUnicodeFromObj(value2Ptr, &s2len);

	    memCmpFn = (memCmpFn_t)Tcl_UniCharNcasecmp;
	} else {
	    s1len = Tcl_GetCharLength(value1Ptr);
	    s2len = Tcl_GetCharLength(value2Ptr);
	    if ((s1len == value1Ptr->length)
		    && (value1Ptr->bytes != NULL)
		    && (s2len == value2Ptr->length)
		    && (value2Ptr->bytes != NULL)) {
		s1 = value1Ptr->bytes;
		s2 = value2Ptr->bytes;
		memCmpFn = memcmp;
	    } else {
		s1 = (char *) Tcl_GetUnicode(value1Ptr);
		s2 = (char *) Tcl_GetUnicode(value2Ptr);
		if (
#ifdef WORDS_BIGENDIAN
			1
#else
			checkEq
#endif /* WORDS_BIGENDIAN */
		        ) {
		    memCmpFn = memcmp;
		    s1len *= sizeof(Tcl_UniChar);
		    s2len *= sizeof(Tcl_UniChar);
		} else {
		    memCmpFn = (memCmpFn_t) Tcl_UniCharNcmp;
		}
	    }
	}
    } else {
	/*
	 * Get the string representations, being careful in case we have
	 * special empty string objects about.
	 */

	empty = TclCheckEmptyString(value1Ptr);
	if (empty > 0) {
	    switch (TclCheckEmptyString(value2Ptr)) {
	    case -1:
		s1 = "";
		s1len = 0;
		s2 = TclGetStringFromObj(value2Ptr, &s2len);
		break;
	    case 0:
		return -1;
	    default: /* avoid warn: `s2` may be used uninitialized */
		return 0;
	    }
	} else if (TclCheckEmptyString(value2Ptr) > 0) {
	    switch (empty) {
	    case -1:
		s2 = "";
		s2len = 0;
		s1 = TclGetStringFromObj(value1Ptr, &s1len);
		break;
	    case 0:
		return 1;
	    default: /* avoid warn: `s1` may be used uninitialized */
		return 0;
	    }
	} else {
	    s1 = TclGetStringFromObj(value1Ptr, &s1len);
	    s2 = TclGetStringFromObj(value2Ptr, &s2len);
	}

	if (!nocase && checkEq) {
	    /*
	     * When we have equal-length we can check only for (in)equality.
	     * We can use memcmp() in all (n)eq cases because we don't need to
	     * worry about lexical LE/BE variance.
	     */
	    memCmpFn = memcmp;
	} else {
	    /*
	     * As a catch-all we will work with UTF-8. We cannot use memcmp()
	     * as that is unsafe with any string containing NUL (\xC0\x80 in
	     * Tcl's utf rep). We can use the more efficient TclpUtfNcmp2 if
	     * we are case-sensitive and no specific length was requested.
	     */



	    if ((reqlength < 0) && !nocase) {
		memCmpFn = (memCmpFn_t) TclpUtfNcmp2;
	    } else {
		s1len = Tcl_NumUtfChars(s1, s1len);
		s2len = Tcl_NumUtfChars(s2, s2len);
		memCmpFn = (memCmpFn_t)
			(nocase ? Tcl_UtfNcasecmp : Tcl_UtfNcmp);
	    }
	}
    }

    length = (s1len < s2len) ? s1len : s2len;
    if (reqlength > 0 && reqlength < length) {
	length = reqlength;
    } else if (reqlength < 0) {
	/*
	 * The requested length is negative, so we ignore it by setting it to
	 * length + 1 so we correct the match var.
	 */

	reqlength = length + 1;
    }

    if (checkEq && (s1len != s2len)) {
	match = 1;		/* This will be reversed below. */
    }  else {
	/*
	 * The comparison function should compare up to the minimum byte
	 * length only.
	 */
	match = memCmpFn(s1, s2, (size_t) length);
    }
    if ((match == 0) && (reqlength > length)) {

	match = s1len - s2len;
    }
    return (match > 0) ? 1 : (match < 0) ? -1 : 0;
}
 
int TclStringCmpOpts(
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[],	/* Argument objects. */
    int *nocase,
    int *reqlength)
{
    int i, length;
    const char *string;

    *reqlength = -1;
    *nocase = 0;
    if (objc < 3 || objc > 6) {
    str_cmp_args:
	Tcl_WrongNumArgs(interp, 1, objv,
		"?-nocase? ?-length int? string1 string2");
	return TCL_ERROR;
    }

    for (i = 1; i < objc-2; i++) {
	string = TclGetStringFromObj(objv[i], &length);
	if ((length > 1) && !strncmp(string, "-nocase", length)) {
	    *nocase = 1;
	} else if ((length > 1)
		&& !strncmp(string, "-length", length)) {
	    if (i+1 >= objc-2) {
		goto str_cmp_args;
	    }
	    i++;
	    if (TclGetIntFromObj(interp, objv[i], reqlength) != TCL_OK) {
		return TCL_ERROR;
	    }
	} else {
	    Tcl_SetObjResult(interp, Tcl_ObjPrintf(

		    "bad option \"%s\": must be -nocase or -length",
		    string));
	    Tcl_SetErrorCode(interp, "TCL", "LOOKUP", "INDEX", "option",
		    string, NULL);
	    return TCL_ERROR;
	}
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * StringCatCmd --
................................................................................
	length2 = strlen(tclDefaultTrimSet);
    } else {
	Tcl_WrongNumArgs(interp, 1, objv, "string ?chars?");
	return TCL_ERROR;
    }
    string1 = TclGetStringFromObj(objv[1], &length1);

    triml = TclTrim(string1, length1, string2, length2, &trimr);


    Tcl_SetObjResult(interp,
	    Tcl_NewStringObj(string1 + triml, length1 - triml - trimr));
    return TCL_OK;
}
 
/*
................................................................................
#endif

    if (count <= 1) {
	/*
	 * Use int obj since we know time is not fractional. [Bug 1202178]
	 */

	objs[0] = Tcl_NewWideIntObj((count <= 0) ? 0 : (Tcl_WideInt)totalMicroSec);
    } else {
	objs[0] = Tcl_NewDoubleObj(totalMicroSec/count);
    }

    /*
     * Construct the result as a list because many programs have always parsed
     * as such (extracting the first element, typically).
................................................................................
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_TimeRateObjCmd --
 *
 *	This object-based procedure is invoked to process the "timerate" Tcl
 *	command.
 *	This is similar to command "time", except the execution limited by
 *	given time (in milliseconds) instead of repetition count.
 *
 * Example:
 *	timerate {after 5} 1000 ; # equivalent for `time {after 5} [expr 1000/5]`
 *
 * Results:
 *	A standard Tcl object result.
................................................................................
int
Tcl_TimeRateObjCmd(
    ClientData dummy,		/* Not used. */
    Tcl_Interp *interp,		/* Current interpreter. */
    int objc,			/* Number of arguments. */
    Tcl_Obj *const objv[])	/* Argument objects. */
{

    static double measureOverhead = 0; /* global measure-overhead */
    double overhead = -1;	/* given measure-overhead */
    register Tcl_Obj *objPtr;
    register int result, i;
    Tcl_Obj *calibrate = NULL, *direct = NULL;
    Tcl_WideUInt count = 0;	/* Holds repetition count */
    Tcl_WideInt  maxms  = WIDE_MIN;
				/* Maximal running time (in milliseconds) */
    Tcl_WideUInt maxcnt = WIDE_MAX;
				/* Maximal count of iterations. */
    Tcl_WideUInt threshold = 1;	/* Current threshold for check time (faster
				 * repeat count without time check) */
    Tcl_WideUInt maxIterTm = 1;	/* Max time of some iteration as max threshold
				 * additionally avoid divide to zero (never < 1) */
    unsigned short factor = 50;	/* Factor (4..50) limiting threshold to avoid
				 * growth of execution time. */
    register Tcl_WideInt start, middle, stop;
#ifndef TCL_WIDE_CLICKS
    Tcl_Time now;
#endif

    static const char *const options[] = {
	"-direct",	"-overhead",	"-calibrate",	"--",	NULL
................................................................................
	    break;
	case TMRT_CALIBRATE:
	    calibrate = objv[i];
	    break;
	}
    }

    if (i >= objc || i < objc-3) {
usage:
	Tcl_WrongNumArgs(interp, 1, objv, "?-direct? ?-calibrate? ?-overhead double? command ?time ?max-count??");
	return TCL_ERROR;
    }
    objPtr = objv[i++];
    if (i < objc) {	/* max-time */
	result = Tcl_GetWideIntFromObj(interp, objv[i++], &maxms);
	if (result != TCL_OK) {
	    return result;
	}
	if (i < objc) {	/* max-count*/
	    Tcl_WideInt v;
	    result = Tcl_GetWideIntFromObj(interp, objv[i], &v);
	    if (result != TCL_OK) {
		return result;
	    }
	    maxcnt = (v > 0) ? v : 0;
	}
    }

    /* if calibrate */
    if (calibrate) {

	/* if no time specified for the calibration */
	if (maxms == WIDE_MIN) {
	    Tcl_Obj *clobjv[6];
	    Tcl_WideInt maxCalTime = 5000;
	    double lastMeasureOverhead = measureOverhead;

	    clobjv[0] = objv[0];
	    i = 1;
	    if (direct) {
	    	clobjv[i++] = direct;
	    }
	    clobjv[i++] = objPtr;

	    /* reset last measurement overhead */
	    measureOverhead = (double)0;

	    /* self-call with 100 milliseconds to warm-up,
	     * before entering the calibration cycle */
	    TclNewLongObj(clobjv[i], 100);
................................................................................
	    Tcl_DecrRefCount(clobjv[i]);
	    if (result != TCL_OK) {
		return result;
	    }

	    i--;
	    clobjv[i++] = calibrate;
	    clobjv[i++] = objPtr;

	    /* set last measurement overhead to max */
	    measureOverhead = (double)UWIDE_MAX;

	    /* calibration cycle until it'll be preciser */
	    maxms = -1000;
	    do {
		lastMeasureOverhead = measureOverhead;
		TclNewLongObj(clobjv[i], (int)maxms);
		Tcl_IncrRefCount(clobjv[i]);
................................................................................
	    Tcl_SetObjResult(interp, Tcl_NewLongObj(0));
	    return TCL_OK;
	}

	/* if time is negative - make current overhead more precise */
	if (maxms > 0) {
	    /* set last measurement overhead to max */
	    measureOverhead = (double)UWIDE_MAX;
	} else {
	    maxms = -maxms;
	}

    }

    if (maxms == WIDE_MIN) {
    	maxms = 1000;
    }
    if (overhead == -1) {
	overhead = measureOverhead;
    }

    /* be sure that resetting of result will not smudge the further measurement */
................................................................................
    start = now.sec; start *= 1000000; start += now.usec;
    middle = start;
    /* time to stop execution (in microsecs) */
    stop = start + maxms * 1000;
#endif

    /* start measurement */
    if (maxcnt > 0)
    while (1) {
    	/* eval single iteration */
    	count++;

	if (!direct) {
	    /* precompiled */
	    rootPtr = TOP_CB(interp);
................................................................................
	    result = TclNRExecuteByteCode(interp, codePtr);
	    result = TclNRRunCallbacks(interp, result, rootPtr);
	} else {
	    /* eval */
	    result = TclEvalObjEx(interp, objPtr, 0, NULL, 0);
	}
	if (result != TCL_OK) {
	    /* allow break from measurement cycle (used for conditional stop) */
	    if (result != TCL_BREAK) {
		goto done;
	    }
	    /* force stop immediately */
	    threshold = 1;
	    maxcnt = 0;
	    result = TCL_OK;
	}

	/* don't check time up to threshold */
	if (--threshold > 0) continue;

	/* check stop time reached, estimate new threshold */
    #ifdef TCL_WIDE_CLICKS
	middle = TclpGetWideClicks();
    #else
	Tcl_GetTime(&now);
	middle = now.sec; middle *= 1000000; middle += now.usec;
    #endif
	if (middle >= stop || count >= maxcnt) {
	    break;
	}

	/* don't calculate threshold by few iterations, because sometimes first
	 * iteration(s) can be too fast or slow (cached, delayed clean up, etc) */
	if (count < 10) {
	   threshold = 1; continue;
	}

	/* average iteration time in microsecs */
	threshold = (middle - start) / count;
	if (threshold > maxIterTm) {
	    maxIterTm = threshold;
	    /* interations seems to be longer */
	    if (threshold > (maxIterTm * 2)) {
		if ((factor *= 2) > 50) factor = 50;
	    } else {
		if (factor < 50) factor++;
	    }
	} else if (factor > 4) {
	    /* interations seems to be shorter */
	    if (threshold < (maxIterTm / 2)) {
		if ((factor /= 2) < 4) factor = 4;
	    } else {
		factor--;
	    }
	}
	/* as relation between remaining time and time since last check,
	 * maximal some % of time (by factor), so avoid growing of the execution time
	 * if iterations are not consistent, e. g. wax continuously on time) */
	threshold = ((stop - middle) / maxIterTm) / factor + 1;
	if (threshold > 100000) {	    /* fix for too large threshold */
	    threshold = 100000;
	}
	/* consider max-count */
	if (threshold > maxcnt - count) {
	    threshold = maxcnt - count;
	}
    }

    {
	Tcl_Obj *objarr[8], **objs = objarr;
	Tcl_WideInt val;
	const char *fmt;

................................................................................
    #endif

	/* if not calibrate */
	if (!calibrate) {
	    /* minimize influence of measurement overhead */
	    if (overhead > 0) {
		/* estimate the time of overhead (microsecs) */
		Tcl_WideUInt curOverhead = overhead * count;
		if ((Tcl_WideUInt)middle > curOverhead) {
		    middle -= curOverhead;
		} else {
		    middle = 0;
		}
	    }
	} else {
	    /* calibration - obtaining new measurement overhead */
	    if (measureOverhead > (double)middle / count) {
		measureOverhead = (double)middle / count;
	    }
................................................................................
	    if (val < 1000)  { fmt = "%.3f"; } else
	    if (val < 10000) { fmt = "%.2f"; } else
			     { fmt = "%.1f"; };
	    objs[0] = Tcl_ObjPrintf(fmt, ((double)middle)/count);
	}

	objs[2] = Tcl_NewWideIntObj(count); /* iterations */

	/* calculate speed as rate (count) per sec */
	if (!middle) middle++; /* +1 ms, just to avoid divide by zero */
	if (count < (WIDE_MAX / 1000000)) {
	    val = (count * 1000000) / middle;
	    if (val < 100000) {
		if (val < 100)	{ fmt = "%.3f"; } else
		if (val < 1000) { fmt = "%.2f"; } else
				{ fmt = "%.1f"; };
		objs[4] = Tcl_ObjPrintf(fmt, ((double)(count * 1000000)) / middle);
	    } else {

Changes to generic/tclCompCmds.c.

318
319
320
321
322
323
324









325
326
327
328
329


330
331
332
333
334
335
336
...
400
401
402
403
404
405
406




407
408
409
410
411
412
413
...
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
....
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431

3432
3433


3434
3435
3436
3437


3438

3439
3440
3441
3442
3443
3444
3445
3446
3447
3448
3449
3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460

3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
....
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
3498
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
....
3528
3529
3530
3531
3532
3533
3534
3535
3536
3537
3538
3539
3540
3541
3542
3543
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3546
3547
3548
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3550
3551
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3553
3554
3555
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3562
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3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
    isDataEven = (isDataValid && (len & 1) == 0);

    /*
     * Special case: literal odd-length argument is always an error.
     */

    if (isDataValid && !isDataEven) {









	PushStringLiteral(envPtr, "list must have an even number of elements");
	PushStringLiteral(envPtr, "-errorcode {TCL ARGUMENT FORMAT}");
	TclEmitInstInt4(INST_RETURN_IMM, TCL_ERROR,		envPtr);
	TclEmitInt4(		0,				envPtr);
	goto done;


    }

    /*
     * Except for the special "ensure array" case below, when we're not in
     * a proc, we cannot do a better compile than generic.
     */

................................................................................
    infoPtr->varLists[0]->varIndexes[1] = valVar;
    infoIndex = TclCreateAuxData(infoPtr, &newForeachInfoType, envPtr);

    /*
     * Start issuing instructions to write to the array.
     */





    CompileWord(envPtr, dataTokenPtr, interp, 2);
    if (!isDataLiteral || !isDataValid) {
	/*
	 * Only need this safety check if we're handling a non-literal or list
	 * containing an invalid literal; with valid list literals, we've
	 * already checked (worth it because literals are a very common
	 * use-case with [array set]).
................................................................................
	TclEmitInstInt4(INST_RETURN_IMM, TCL_ERROR,		envPtr);
	TclEmitInt4(		0,				envPtr);
	TclAdjustStackDepth(-1, envPtr);
	fwd = CurrentOffset(envPtr) - offsetFwd;
	TclStoreInt1AtPtr(fwd, envPtr->codeStart+offsetFwd+1);
    }

    TclEmitInstInt4(INST_ARRAY_EXISTS_IMM, localIndex,	envPtr);
    TclEmitInstInt1(INST_JUMP_TRUE1, 7,			envPtr);
    TclEmitInstInt4(INST_ARRAY_MAKE_IMM, localIndex,	envPtr);
    TclEmitInstInt4(INST_FOREACH_START, infoIndex,	envPtr);
    offsetBack = CurrentOffset(envPtr);
    Emit14Inst(	INST_LOAD_SCALAR, keyVar,		envPtr);
    Emit14Inst(	INST_LOAD_SCALAR, valVar,		envPtr);
    Emit14Inst(	INST_STORE_ARRAY, localIndex,		envPtr);
    TclEmitOpcode(	INST_POP,			envPtr);
    infoPtr->loopCtTemp = offsetBack - CurrentOffset(envPtr); /*misuse */
................................................................................
    Tcl_Token *varTokenPtr,	/* Points to a variable token. */
    CompileEnv *envPtr,		/* Holds resulting instructions. */
    int flags,			/* TCL_NO_LARGE_INDEX | TCL_NO_ELEMENT. */
    int *localIndexPtr,		/* Must not be NULL. */
    int *isScalarPtr)		/* Must not be NULL. */
{
    register const char *p;
    const char *name, *elName;
    register int i, n;
    Tcl_Token *elemTokenPtr = NULL;
    int nameChars, elNameChars, simpleVarName, localIndex;
    int elemTokenCount = 0, allocedTokens = 0, removedParen = 0;

    /*
     * Decide if we can use a frame slot for the var/array name or if we need
     * to emit code to compute and push the name at runtime. We use a frame
     * slot (entry in the array of local vars) if we are compiling a procedure
     * body and if the name is simple text that does not include namespace
     * qualifiers.
     */

    simpleVarName = 0;
    name = elName = NULL;
    nameChars = elNameChars = 0;
    localIndex = -1;

    if (varTokenPtr->type == TCL_TOKEN_SIMPLE_WORD) {
	/*
	 * A simple variable name. Divide it up into "name" and "elName"
	 * strings. If it is not a local variable, look it up at runtime.
	 */

	simpleVarName = 1;

	name = varTokenPtr[1].start;
	nameChars = varTokenPtr[1].size;
	if (name[nameChars-1] == ')') {
	    /*
	     * last char is ')' => potential array reference.
	     */


	    for (i=0,p=name ; i<nameChars ; i++,p++) {


		if (*p == '(') {
		    elName = p + 1;
		    elNameChars = nameChars - i - 2;
		    nameChars = i;


		    break;

		}
	    }

	    if (!(flags & TCL_NO_ELEMENT) && (elName != NULL) && elNameChars) {
		/*
		 * An array element, the element name is a simple string:
		 * assemble the corresponding token.
		 */

		elemTokenPtr = TclStackAlloc(interp, sizeof(Tcl_Token));
		allocedTokens = 1;
		elemTokenPtr->type = TCL_TOKEN_TEXT;
		elemTokenPtr->start = elName;
		elemTokenPtr->size = elNameChars;
		elemTokenPtr->numComponents = 0;
		elemTokenCount = 1;
	    }
	}
    } else if (interp && ((n = varTokenPtr->numComponents) > 1)
	    && (varTokenPtr[1].type == TCL_TOKEN_TEXT)
	    && (varTokenPtr[n].type == TCL_TOKEN_TEXT)
	    && (varTokenPtr[n].start[varTokenPtr[n].size - 1] == ')')) {

	/*
	 * Check for parentheses inside first token.
	 */

	simpleVarName = 0;
	for (i = 0, p = varTokenPtr[1].start;
		i < varTokenPtr[1].size; i++, p++) {
	    if (*p == '(') {
		simpleVarName = 1;
		break;
	    }
	}
	if (simpleVarName) {
	    int remainingChars;

	    /*
	     * Check the last token: if it is just ')', do not count it.
	     * Otherwise, remove the ')' and flag so that it is restored at
	     * the end.
	     */

................................................................................
		n--;
	    } else {
		varTokenPtr[n].size--;
		removedParen = n;
	    }

	    name = varTokenPtr[1].start;
	    nameChars = p - varTokenPtr[1].start;
	    elName = p + 1;
	    remainingChars = (varTokenPtr[2].start - p) - 1;
	    elNameChars = (varTokenPtr[n].start-p) + varTokenPtr[n].size - 1;

	    if (!(flags & TCL_NO_ELEMENT)) {
	      if (remainingChars) {
		/*
		 * Make a first token with the extra characters in the first
		 * token.
		 */

		elemTokenPtr = TclStackAlloc(interp, n * sizeof(Tcl_Token));
		allocedTokens = 1;
		elemTokenPtr->type = TCL_TOKEN_TEXT;
		elemTokenPtr->start = elName;
		elemTokenPtr->size = remainingChars;
		elemTokenPtr->numComponents = 0;
		elemTokenCount = n;

		/*
		 * Copy the remaining tokens.
		 */

................................................................................
    if (simpleVarName) {
	/*
	 * See whether name has any namespace separators (::'s).
	 */

	int hasNsQualifiers = 0;

	for (i = 0, p = name;  i < nameChars;  i++, p++) {
	    if ((*p == ':') && ((i+1) < nameChars) && (*(p+1) == ':')) {
		hasNsQualifiers = 1;
		break;
	    }
	}

	/*
	 * Look up the var name's index in the array of local vars in the proc
	 * frame. If retrieving the var's value and it doesn't already exist,
	 * push its name and look it up at runtime.
	 */

	if (!hasNsQualifiers) {
	    localIndex = TclFindCompiledLocal(name, nameChars, 1, envPtr);
	    if ((flags & TCL_NO_LARGE_INDEX) && (localIndex > 255)) {
		/*
		 * We'll push the name.
		 */

		localIndex = -1;
	    }
	}
	if (interp && localIndex < 0) {
	    PushLiteral(envPtr, name, nameChars);
	}

	/*
	 * Compile the element script, if any, and only if not inhibited. [Bug
	 * 3600328]
	 */

	if (elName != NULL && !(flags & TCL_NO_ELEMENT)) {
	    if (elNameChars) {
		TclCompileTokens(interp, elemTokenPtr, elemTokenCount,
			envPtr);
	    } else {
		PushStringLiteral(envPtr, "");
	    }
	}
    } else if (interp) {






>
>
>
>
>
>
>
>
>





>
>







 







>
>
>
>







 







<
<
<







 







|
|

|












|











|
|



>

<
>
>
|
|
<
<
>
>
|
>



|









|







|
>





|
|






|







 







|

|
|


|









|







 







|
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|









|








|







318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
...
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
...
439
440
441
442
443
444
445



446
447
448
449
450
451
452
....
3404
3405
3406
3407
3408
3409
3410
3411
3412
3413
3414
3415
3416
3417
3418
3419
3420
3421
3422
3423
3424
3425
3426
3427
3428
3429
3430
3431
3432
3433
3434
3435
3436
3437
3438
3439
3440
3441
3442
3443
3444
3445

3446
3447
3448
3449


3450
3451
3452
3453
3454
3455
3456
3457
3458
3459
3460
3461
3462
3463
3464
3465
3466
3467
3468
3469
3470
3471
3472
3473
3474
3475
3476
3477
3478
3479
3480
3481
3482
3483
3484
3485
3486
3487
3488
3489
3490
3491
3492
3493
3494
3495
3496
3497
....
3499
3500
3501
3502
3503
3504
3505
3506
3507
3508
3509
3510
3511
3512
3513
3514
3515
3516
3517
3518
3519
3520
3521
3522
3523
3524
3525
3526
3527
3528
3529
....
3544
3545
3546
3547
3548
3549
3550
3551
3552
3553
3554
3555
3556
3557
3558
3559
3560
3561
3562
3563
3564
3565
3566
3567
3568
3569
3570
3571
3572
3573
3574
3575
3576
3577
3578
3579
3580
3581
3582
3583
3584
3585
3586
3587
3588
3589
3590
3591
    isDataEven = (isDataValid && (len & 1) == 0);

    /*
     * Special case: literal odd-length argument is always an error.
     */

    if (isDataValid && !isDataEven) {
	/* Abandon custom compile and let invocation raise the error */
	code = TclCompileBasic2ArgCmd(interp, parsePtr, cmdPtr, envPtr);
	goto done;

	/*
	 * We used to compile to the bytecode that would throw the error,
	 * but that was wrong because it would not invoke the array trace
	 * on the variable.
	 *
	PushStringLiteral(envPtr, "list must have an even number of elements");
	PushStringLiteral(envPtr, "-errorcode {TCL ARGUMENT FORMAT}");
	TclEmitInstInt4(INST_RETURN_IMM, TCL_ERROR,		envPtr);
	TclEmitInt4(		0,				envPtr);
	goto done;
	 *
	 */
    }

    /*
     * Except for the special "ensure array" case below, when we're not in
     * a proc, we cannot do a better compile than generic.
     */

................................................................................
    infoPtr->varLists[0]->varIndexes[1] = valVar;
    infoIndex = TclCreateAuxData(infoPtr, &newForeachInfoType, envPtr);

    /*
     * Start issuing instructions to write to the array.
     */

    TclEmitInstInt4(INST_ARRAY_EXISTS_IMM, localIndex,	envPtr);
    TclEmitInstInt1(INST_JUMP_TRUE1, 7,			envPtr);
    TclEmitInstInt4(INST_ARRAY_MAKE_IMM, localIndex,	envPtr);

    CompileWord(envPtr, dataTokenPtr, interp, 2);
    if (!isDataLiteral || !isDataValid) {
	/*
	 * Only need this safety check if we're handling a non-literal or list
	 * containing an invalid literal; with valid list literals, we've
	 * already checked (worth it because literals are a very common
	 * use-case with [array set]).
................................................................................
	TclEmitInstInt4(INST_RETURN_IMM, TCL_ERROR,		envPtr);
	TclEmitInt4(		0,				envPtr);
	TclAdjustStackDepth(-1, envPtr);
	fwd = CurrentOffset(envPtr) - offsetFwd;
	TclStoreInt1AtPtr(fwd, envPtr->codeStart+offsetFwd+1);
    }




    TclEmitInstInt4(INST_FOREACH_START, infoIndex,	envPtr);
    offsetBack = CurrentOffset(envPtr);
    Emit14Inst(	INST_LOAD_SCALAR, keyVar,		envPtr);
    Emit14Inst(	INST_LOAD_SCALAR, valVar,		envPtr);
    Emit14Inst(	INST_STORE_ARRAY, localIndex,		envPtr);
    TclEmitOpcode(	INST_POP,			envPtr);
    infoPtr->loopCtTemp = offsetBack - CurrentOffset(envPtr); /*misuse */
................................................................................
    Tcl_Token *varTokenPtr,	/* Points to a variable token. */
    CompileEnv *envPtr,		/* Holds resulting instructions. */
    int flags,			/* TCL_NO_LARGE_INDEX | TCL_NO_ELEMENT. */
    int *localIndexPtr,		/* Must not be NULL. */
    int *isScalarPtr)		/* Must not be NULL. */
{
    register const char *p;
    const char *last, *name, *elName;
    register int n;
    Tcl_Token *elemTokenPtr = NULL;
    int nameLen, elNameLen, simpleVarName, localIndex;
    int elemTokenCount = 0, allocedTokens = 0, removedParen = 0;

    /*
     * Decide if we can use a frame slot for the var/array name or if we need
     * to emit code to compute and push the name at runtime. We use a frame
     * slot (entry in the array of local vars) if we are compiling a procedure
     * body and if the name is simple text that does not include namespace
     * qualifiers.
     */

    simpleVarName = 0;
    name = elName = NULL;
    nameLen = elNameLen = 0;
    localIndex = -1;

    if (varTokenPtr->type == TCL_TOKEN_SIMPLE_WORD) {
	/*
	 * A simple variable name. Divide it up into "name" and "elName"
	 * strings. If it is not a local variable, look it up at runtime.
	 */

	simpleVarName = 1;

	name = varTokenPtr[1].start;
	nameLen = varTokenPtr[1].size;
	if (name[nameLen-1] == ')') {
	    /*
	     * last char is ')' => potential array reference.
	     */
	    last = Tcl_UtfPrev(name + nameLen, name);


	    if (*last == ')') {
		for (p = name;  p < last;  p = Tcl_UtfNext(p)) {
		    if (*p == '(') {
			elName = p + 1;


			elNameLen = last - elName;
			nameLen = p - name;
			break;
		    }
		}
	    }

	    if (!(flags & TCL_NO_ELEMENT) && elNameLen) {
		/*
		 * An array element, the element name is a simple string:
		 * assemble the corresponding token.
		 */

		elemTokenPtr = TclStackAlloc(interp, sizeof(Tcl_Token));
		allocedTokens = 1;
		elemTokenPtr->type = TCL_TOKEN_TEXT;
		elemTokenPtr->start = elName;
		elemTokenPtr->size = elNameLen;
		elemTokenPtr->numComponents = 0;
		elemTokenCount = 1;
	    }
	}
    } else if (interp && ((n = varTokenPtr->numComponents) > 1)
	    && (varTokenPtr[1].type == TCL_TOKEN_TEXT)
	    && (varTokenPtr[n].type == TCL_TOKEN_TEXT)
	    && (*((p = varTokenPtr[n].start + varTokenPtr[n].size)-1) == ')')
	    && (*Tcl_UtfPrev(p, varTokenPtr[n].start) == ')')) {
	/*
	 * Check for parentheses inside first token.
	 */

	simpleVarName = 0;
	for (p = varTokenPtr[1].start,
	     last = p + varTokenPtr[1].size;  p < last;  p = Tcl_UtfNext(p)) {
	    if (*p == '(') {
		simpleVarName = 1;
		break;
	    }
	}
	if (simpleVarName) {
	    int remainingLen;

	    /*
	     * Check the last token: if it is just ')', do not count it.
	     * Otherwise, remove the ')' and flag so that it is restored at
	     * the end.
	     */

................................................................................
		n--;
	    } else {
		varTokenPtr[n].size--;
		removedParen = n;
	    }

	    name = varTokenPtr[1].start;
	    nameLen = p - varTokenPtr[1].start;
	    elName = p + 1;
	    remainingLen = (varTokenPtr[2].start - p) - 1;
	    elNameLen = (varTokenPtr[n].start-p) + varTokenPtr[n].size - 1;

	    if (!(flags & TCL_NO_ELEMENT)) {
	      if (remainingLen) {
		/*
		 * Make a first token with the extra characters in the first
		 * token.
		 */

		elemTokenPtr = TclStackAlloc(interp, n * sizeof(Tcl_Token));
		allocedTokens = 1;
		elemTokenPtr->type = TCL_TOKEN_TEXT;
		elemTokenPtr->start = elName;
		elemTokenPtr->size = remainingLen;
		elemTokenPtr->numComponents = 0;
		elemTokenCount = n;

		/*
		 * Copy the remaining tokens.
		 */

................................................................................
    if (simpleVarName) {
	/*
	 * See whether name has any namespace separators (::'s).
	 */

	int hasNsQualifiers = 0;

	for (p = name, last = p + nameLen-1;  p < last;  p = Tcl_UtfNext(p)) {
	    if ((*p == ':') && (*(p+1) == ':')) {
		hasNsQualifiers = 1;
		break;
	    }
	}

	/*
	 * Look up the var name's index in the array of local vars in the proc
	 * frame. If retrieving the var's value and it doesn't already exist,
	 * push its name and look it up at runtime.
	 */

	if (!hasNsQualifiers) {
	    localIndex = TclFindCompiledLocal(name, nameLen, 1, envPtr);
	    if ((flags & TCL_NO_LARGE_INDEX) && (localIndex > 255)) {
		/*
		 * We'll push the name.
		 */

		localIndex = -1;
	    }
	}
	if (interp && localIndex < 0) {
	    PushLiteral(envPtr, name, nameLen);
	}

	/*
	 * Compile the element script, if any, and only if not inhibited. [Bug
	 * 3600328]
	 */

	if (elName != NULL && !(flags & TCL_NO_ELEMENT)) {
	    if (elNameLen) {
		TclCompileTokens(interp, elemTokenPtr, elemTokenCount,
			envPtr);
	    } else {
		PushStringLiteral(envPtr, "");
	    }
	}
    } else if (interp) {

Changes to generic/tclCompCmdsGR.c.

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static void		CompileReturnInternal(CompileEnv *envPtr,
			    unsigned char op, int code, int level,
			    Tcl_Obj *returnOpts);
static int		IndexTailVarIfKnown(Tcl_Interp *interp,
			    Tcl_Token *varTokenPtr, CompileEnv *envPtr);

#define INDEX_END	(-2)
 
/*
 *----------------------------------------------------------------------
 *
 * GetIndexFromToken --
 *
 *	Parse a token and get the encoded version of the index (as understood
 *	by TEBC), assuming it is at all knowable at compile time. Only handles
 *	indices that are integers or 'end' or 'end-integer'.
 *
 * Returns:
 *	TCL_OK if parsing succeeded, and TCL_ERROR if it failed.
 *
 * Side effects:
 *	Sets *index to the index value if successful.

 *
 *----------------------------------------------------------------------
 */

static inline int
GetIndexFromToken(
    Tcl_Token *tokenPtr,


    int *index)
{
    Tcl_Obj *tmpObj = Tcl_NewObj();
    int result, idx;

    if (!TclWordKnownAtCompileTime(tokenPtr, tmpObj)) {
	Tcl_DecrRefCount(tmpObj);
	return TCL_ERROR;

    }

    result = TclGetIntFromObj(NULL, tmpObj, &idx);
    if (result == TCL_OK) {
	if (idx < 0) {
	    result = TCL_ERROR;
	}
    } else {
	result = TclGetIntForIndexM(NULL, tmpObj, INDEX_END, &idx);
	if (result == TCL_OK && idx > INDEX_END) {
	    result = TCL_ERROR;
	}
    }
    Tcl_DecrRefCount(tmpObj);

    if (result == TCL_OK) {
	*index = idx;
    }

    return result;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclCompileGlobalCmd --
................................................................................
    for (i=1; i<numWords; varTokenPtr = TokenAfter(varTokenPtr),i++) {
	localIndex = IndexTailVarIfKnown(interp, varTokenPtr, envPtr);

	if (localIndex < 0) {
	    return TCL_ERROR;
	}

	/* TODO: Consider what value can pass throug the
	 * IndexTailVarIfKnown() screen.  Full CompileWord()
	 * likely does not apply here.  Push known value instead. */
	CompileWord(envPtr, varTokenPtr, interp, i);
	TclEmitInstInt4(	INST_NSUPVAR, localIndex,	envPtr);
    }

    /*
................................................................................
    }

    /*
     * Generate code to leave the rest of the list on the stack.
     */

    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx,	envPtr);
    TclEmitInt4(			INDEX_END,		envPtr);

    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................

    valTokenPtr = TokenAfter(parsePtr->tokenPtr);
    if (numWords != 3) {
	goto emitComplexLindex;
    }

    idxTokenPtr = TokenAfter(valTokenPtr);

    if (GetIndexFromToken(idxTokenPtr, &idx) == TCL_OK) {
	/*
	 * All checks have been completed, and we have exactly one of these
	 * constructs:
	 *	 lindex <arbitraryValue> <posInt>
	 *	 lindex <arbitraryValue> end-<posInt>

	 * This is best compiled as a push of the arbitrary value followed by
	 * an "immediate lindex" which is the most efficient variety.
	 */

	CompileWord(envPtr, valTokenPtr, interp, 1);
	TclEmitInstInt4(	INST_LIST_INDEX_IMM, idx,	envPtr);
	return TCL_OK;
    }

................................................................................
     * at this point. We use an [lrange ... 0 end] for this (instead of
     * [llength], as with literals) as we must drop any string representation
     * that might be hanging around.
     */

    if (concat && numWords == 2) {
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,	envPtr);
	TclEmitInt4(			INDEX_END,	envPtr);
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................
    int idx1, idx2;

    if (parsePtr->numWords != 4) {
	return TCL_ERROR;
    }
    listTokenPtr = TokenAfter(parsePtr->tokenPtr);

    /*
     * Parse the indices. Will only compile if both are constants and not an
     * _integer_ less than zero (since we reserve negative indices here for
     * end-relative indexing) or an end-based index greater than 'end' itself.
     */

    tokenPtr = TokenAfter(listTokenPtr);

    if (GetIndexFromToken(tokenPtr, &idx1) != TCL_OK) {
	return TCL_ERROR;
    }





    tokenPtr = TokenAfter(tokenPtr);

    if (GetIndexFromToken(tokenPtr, &idx2) != TCL_OK) {
	return TCL_ERROR;
    }





    /*
     * Issue instructions. It's not safe to skip doing the LIST_RANGE, as
     * we've not proved that the 'list' argument is really a list. Not that it
     * is worth trying to do that given current knowledge.
     */

................................................................................
    /*
     * Parse the index. Will only compile if it is constant and not an
     * _integer_ less than zero (since we reserve negative indices here for
     * end-relative indexing) or an end-based index greater than 'end' itself.
     */

    tokenPtr = TokenAfter(listTokenPtr);









    if (GetIndexFromToken(tokenPtr, &idx) != TCL_OK) {
	return TCL_ERROR;
    }

    /*
     * There are four main cases. If there are no values to insert, this is
     * just a confirm-listiness check. If the index is '0', this is a prepend.
     * If the index is 'end' (== INDEX_END), this is an append. Otherwise,
     * this is a splice (== split, insert values as list, concat-3).
     */

    CompileWord(envPtr, listTokenPtr, interp, 1);
    if (parsePtr->numWords == 3) {
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,		envPtr);
	TclEmitInt4(			INDEX_END,		envPtr);
	return TCL_OK;
    }

    for (i=3 ; i<parsePtr->numWords ; i++) {
	tokenPtr = TokenAfter(tokenPtr);
	CompileWord(envPtr, tokenPtr, interp, i);
    }
    TclEmitInstInt4(		INST_LIST, i-3,			envPtr);

    if (idx == 0 /*start*/) {
	TclEmitInstInt4(	INST_REVERSE, 2,		envPtr);
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    } else if (idx == INDEX_END /*end*/) {
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    } else {












	if (idx < 0) {
	    idx++;
	}
	TclEmitInstInt4(	INST_OVER, 1,			envPtr);
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,		envPtr);
	TclEmitInt4(			idx-1,			envPtr);
	TclEmitInstInt4(	INST_REVERSE, 3,		envPtr);
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, idx,	envPtr);
	TclEmitInt4(			INDEX_END,		envPtr);
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    }

    return TCL_OK;
}
 
................................................................................
				 * command. */
    Command *cmdPtr,		/* Points to defintion of command being
				 * compiled. */
    CompileEnv *envPtr)		/* Holds the resulting instructions. */
{
    Tcl_Token *tokenPtr, *listTokenPtr;
    DefineLineInformation;	/* TIP #280 */
    Tcl_Obj *tmpObj;
    int idx1, idx2, i, offset, offset2;

    if (parsePtr->numWords < 4) {
	return TCL_ERROR;
    }
    listTokenPtr = TokenAfter(parsePtr->tokenPtr);

    /*
     * Parse the indices. Will only compile if both are constants and not an
     * _integer_ less than zero (since we reserve negative indices here for
     * end-relative indexing) or an end-based index greater than 'end' itself.
     */

    tokenPtr = TokenAfter(listTokenPtr);

    if (GetIndexFromToken(tokenPtr, &idx1) != TCL_OK) {
	return TCL_ERROR;
    }

    tokenPtr = TokenAfter(tokenPtr);

    if (GetIndexFromToken(tokenPtr, &idx2) != TCL_OK) {
	return TCL_ERROR;
    }

    /*
     * idx1, idx2 are now in canonical form:
     *
     *  - integer:	[0,len+1]
     *  - end index:    INDEX_END
     *  - -ive offset:  INDEX_END-[len-1,0]
     *  - +ive offset:  INDEX_END+1
     */

    /*
     * Compilation fails when one index is end-based but the other isn't.
     * Fixing this will require more bytecodes, but this is a workaround for
     * now. [Bug 47ac84309b]



     */





    if ((idx1 <= INDEX_END) != (idx2 <= INDEX_END)) {





	return TCL_ERROR;
    }

    if (idx2 != INDEX_END && idx2 >= 0 && idx2 < idx1) {
	idx2 = idx1 - 1;


    }

    /*
     * Work out what this [lreplace] is actually doing.


     */

    tmpObj = NULL;
    CompileWord(envPtr, listTokenPtr, interp, 1);
    if (parsePtr->numWords == 4) {
	if (idx1 == 0) {
	    if (idx2 == INDEX_END) {
		goto dropAll;
	    }
	    idx1 = idx2 + 1;
	    idx2 = INDEX_END;
	    goto dropEnd;
	} else if (idx2 == INDEX_END) {
	    idx2 = idx1 - 1;
	    idx1 = 0;
	    goto dropEnd;
	} else {
	    if (idx2 < idx1) {
		idx2 = idx1 - 1;
	    }
	    if (idx1 > 0) {
		tmpObj = Tcl_NewIntObj(idx1);
		Tcl_IncrRefCount(tmpObj);
	    }
	    goto dropRange;
	}
    }

    tokenPtr = TokenAfter(tokenPtr);
    for (i=4 ; i<parsePtr->numWords ; i++) {
	CompileWord(envPtr, tokenPtr, interp, i);
	tokenPtr = TokenAfter(tokenPtr);
    }


    TclEmitInstInt4(		INST_LIST, i - 4,		envPtr);
    TclEmitInstInt4(		INST_REVERSE, 2,		envPtr);
    if (idx1 == 0) {
	if (idx2 == INDEX_END) {
	    goto replaceAll;
	}
	idx1 = idx2 + 1;
	idx2 = INDEX_END;
	goto replaceHead;
    } else if (idx2 == INDEX_END) {
	idx2 = idx1 - 1;
	idx1 = 0;
	goto replaceTail;
    } else {
	if (idx2 < idx1) {
	    idx2 = idx1 - 1;
	}
	if (idx1 > 0) {
	    tmpObj = Tcl_NewIntObj(idx1);
	    Tcl_IncrRefCount(tmpObj);
	}
	goto replaceRange;
    }


    /*
     * Issue instructions to perform the operations relating to configurations
     * that just drop. The only argument pushed on the stack is the list to
     * operate on.



     */

  dropAll:			/* This just ensures the arg is a list. */
    TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
    TclEmitOpcode(		INST_POP,			envPtr);
    PushStringLiteral(envPtr,	"");
    goto done;

  dropEnd:
    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx1,	envPtr);
    TclEmitInt4(			idx2,			envPtr);
    goto done;


  dropRange:
    if (tmpObj != NULL) {
	/*
	 * Emit bytecode to check the list length.
	 */




	TclEmitOpcode(		INST_DUP,			envPtr);
	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
	TclEmitPush(TclAddLiteralObj(envPtr, tmpObj, NULL),	envPtr);
	TclEmitOpcode(		INST_GE,			envPtr);
	offset = CurrentOffset(envPtr);
	TclEmitInstInt1(	INST_JUMP_TRUE1, 0,		envPtr);



	/*
	 * Emit an error if we've been given an empty list.
	 */

	TclEmitOpcode(		INST_DUP,			envPtr);
	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
	offset2 = CurrentOffset(envPtr);
	TclEmitInstInt1(	INST_JUMP_FALSE1, 0,		envPtr);
	TclEmitPush(TclAddLiteralObj(envPtr, Tcl_ObjPrintf(
		"list doesn't contain element %d", idx1), NULL), envPtr);
	CompileReturnInternal(envPtr, INST_RETURN_IMM, TCL_ERROR, 0,
		Tcl_ObjPrintf("-errorcode {TCL OPERATION LREPLACE BADIDX}"));
	TclStoreInt1AtPtr(CurrentOffset(envPtr) - offset,
		envPtr->codeStart + offset + 1);
	TclStoreInt1AtPtr(CurrentOffset(envPtr) - offset2,
		envPtr->codeStart + offset2 + 1);
	TclAdjustStackDepth(-1, envPtr);
    }
    TclEmitOpcode(		INST_DUP,			envPtr);
    TclEmitInstInt4(		INST_LIST_RANGE_IMM, 0,		envPtr);
    TclEmitInt4(			idx1 - 1,		envPtr);

    TclEmitInstInt4(		INST_REVERSE, 2,		envPtr);
    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx2 + 1,	envPtr);
    TclEmitInt4(			INDEX_END,		envPtr);
    TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    goto done;

    /*
     * Issue instructions to perform the operations relating to configurations
     * that do real replacement. All arguments are pushed and assembled into a
     * pair: the list of values to replace with, and the list to do the
     * surgery on.
     */


  replaceAll:
    TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
    TclEmitOpcode(		INST_POP,			envPtr);
    goto done;

  replaceHead:
    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx1,	envPtr);
    TclEmitInt4(			idx2,			envPtr);
    TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    goto done;

  replaceTail:
    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx1,	envPtr);
    TclEmitInt4(			idx2,			envPtr);

    TclEmitInstInt4(		INST_REVERSE, 2,		envPtr);
    TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    goto done;

  replaceRange:
    if (tmpObj != NULL) {
	/*
	 * Emit bytecode to check the list length.
	 */

	TclEmitOpcode(		INST_DUP,			envPtr);
	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);

	/*
	 * Check the list length vs idx1.
	 */

	TclEmitPush(TclAddLiteralObj(envPtr, tmpObj, NULL),	envPtr);

	TclEmitOpcode(		INST_GE,			envPtr);
	offset = CurrentOffset(envPtr);
	TclEmitInstInt1(	INST_JUMP_TRUE1, 0,		envPtr);



	/*
	 * Emit an error if we've been given an empty list.
	 */

	TclEmitOpcode(		INST_DUP,			envPtr);
	TclEmitOpcode(		INST_LIST_LENGTH,		envPtr);
	offset2 = CurrentOffset(envPtr);
	TclEmitInstInt1(	INST_JUMP_FALSE1, 0,		envPtr);
	TclEmitPush(TclAddLiteralObj(envPtr, Tcl_ObjPrintf(
		"list doesn't contain element %d", idx1), NULL), envPtr);
	CompileReturnInternal(envPtr, INST_RETURN_IMM, TCL_ERROR, 0,
		Tcl_ObjPrintf("-errorcode {TCL OPERATION LREPLACE BADIDX}"));
	TclStoreInt1AtPtr(CurrentOffset(envPtr) - offset,
		envPtr->codeStart + offset + 1);
	TclStoreInt1AtPtr(CurrentOffset(envPtr) - offset2,
		envPtr->codeStart + offset2 + 1);
	TclAdjustStackDepth(-1, envPtr);
    }
    TclEmitOpcode(		INST_DUP,			envPtr);


    TclEmitInstInt4(		INST_LIST_RANGE_IMM, 0,		envPtr);
    TclEmitInt4(			idx1 - 1,		envPtr);
    TclEmitInstInt4(		INST_REVERSE, 2,		envPtr);
    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx2 + 1,	envPtr);
    TclEmitInt4(			INDEX_END,		envPtr);
    TclEmitInstInt4(		INST_REVERSE, 3,		envPtr);

    TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    TclEmitInstInt4(		INST_REVERSE, 2,		envPtr);
    TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    goto done;

    /*
     * Clean up the allocated memory.
     */

  done:
    if (tmpObj != NULL) {
	Tcl_DecrRefCount(tmpObj);
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclCompileLsetCmd --
................................................................................

	localIndex = IndexTailVarIfKnown(interp, varTokenPtr, envPtr);

	if (localIndex < 0) {
	    return TCL_ERROR;
	}

	/* TODO: Consider what value can pass throug the
	 * IndexTailVarIfKnown() screen.  Full CompileWord()
	 * likely does not apply here.  Push known value instead. */
	CompileWord(envPtr, varTokenPtr, interp, i);
	TclEmitInstInt4(	INST_VARIABLE, localIndex,	envPtr);

	if (i+1 < numWords) {
	    /*






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static void		CompileReturnInternal(CompileEnv *envPtr,
			    unsigned char op, int code, int level,
			    Tcl_Obj *returnOpts);
static int		IndexTailVarIfKnown(Tcl_Interp *interp,
			    Tcl_Token *varTokenPtr, CompileEnv *envPtr);


 
/*
 *----------------------------------------------------------------------
 *
 * TclGetIndexFromToken --
 *
 *	Parse a token to determine if an index value is known at
 *	compile time. 

 *
 * Returns:
 *	TCL_OK if parsing succeeded, and TCL_ERROR if it failed.
 *
 * Side effects:
 *	When TCL_OK is returned, the encoded index value is written
 *	to *index.
 *
 *----------------------------------------------------------------------
 */

int
TclGetIndexFromToken(
    Tcl_Token *tokenPtr,
    int before,
    int after,
    int *indexPtr)
{
    Tcl_Obj *tmpObj = Tcl_NewObj();
    int result = TCL_ERROR;

    if (TclWordKnownAtCompileTime(tokenPtr, tmpObj)) {


	result = TclIndexEncode(NULL, tmpObj, before, after, indexPtr);
    }












    Tcl_DecrRefCount(tmpObj);





    return result;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclCompileGlobalCmd --
................................................................................
    for (i=1; i<numWords; varTokenPtr = TokenAfter(varTokenPtr),i++) {
	localIndex = IndexTailVarIfKnown(interp, varTokenPtr, envPtr);

	if (localIndex < 0) {
	    return TCL_ERROR;
	}

	/* TODO: Consider what value can pass through the
	 * IndexTailVarIfKnown() screen.  Full CompileWord()
	 * likely does not apply here.  Push known value instead. */
	CompileWord(envPtr, varTokenPtr, interp, i);
	TclEmitInstInt4(	INST_NSUPVAR, localIndex,	envPtr);
    }

    /*
................................................................................
    }

    /*
     * Generate code to leave the rest of the list on the stack.
     */

    TclEmitInstInt4(		INST_LIST_RANGE_IMM, idx,	envPtr);
    TclEmitInt4(			TCL_INDEX_END,		envPtr);

    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................

    valTokenPtr = TokenAfter(parsePtr->tokenPtr);
    if (numWords != 3) {
	goto emitComplexLindex;
    }

    idxTokenPtr = TokenAfter(valTokenPtr);
    if (TclGetIndexFromToken(idxTokenPtr, TCL_INDEX_BEFORE, TCL_INDEX_BEFORE,
	    &idx) == TCL_OK) {
	/*

	 * The idxTokenPtr parsed as a valid index value and was
	 * encoded as expected by INST_LIST_INDEX_IMM.

	 *
	 * NOTE: that we rely on indexing before a list producing the
	 * same result as indexing after a list.
	 */

	CompileWord(envPtr, valTokenPtr, interp, 1);
	TclEmitInstInt4(	INST_LIST_INDEX_IMM, idx,	envPtr);
	return TCL_OK;
    }

................................................................................
     * at this point. We use an [lrange ... 0 end] for this (instead of
     * [llength], as with literals) as we must drop any string representation
     * that might be hanging around.
     */

    if (concat && numWords == 2) {
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,	envPtr);
	TclEmitInt4(			TCL_INDEX_END,	envPtr);
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
................................................................................
    int idx1, idx2;

    if (parsePtr->numWords != 4) {
	return TCL_ERROR;
    }
    listTokenPtr = TokenAfter(parsePtr->tokenPtr);







    tokenPtr = TokenAfter(listTokenPtr);
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_START, TCL_INDEX_AFTER,
	    &idx1) != TCL_OK) {
	return TCL_ERROR;
    }
    /*
     * Token was an index value, and we treat all "first" indices
     * before the list same as the start of the list.
     */

    tokenPtr = TokenAfter(tokenPtr);
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_BEFORE, TCL_INDEX_END,
	    &idx2) != TCL_OK) {
	return TCL_ERROR;
    }
    /*
     * Token was an index value, and we treat all "last" indices
     * after the list same as the end of the list.
     */

    /*
     * Issue instructions. It's not safe to skip doing the LIST_RANGE, as
     * we've not proved that the 'list' argument is really a list. Not that it
     * is worth trying to do that given current knowledge.
     */

................................................................................
    /*
     * Parse the index. Will only compile if it is constant and not an
     * _integer_ less than zero (since we reserve negative indices here for
     * end-relative indexing) or an end-based index greater than 'end' itself.
     */

    tokenPtr = TokenAfter(listTokenPtr);

    /*
     * NOTE: This command treats all inserts at indices before the list
     * the same as inserts at the start of the list, and all inserts
     * after the list the same as inserts at the end of the list. We
     * make that transformation here so we can use the optimized bytecode
     * as much as possible.
     */
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_START, TCL_INDEX_END,
	    &idx) != TCL_OK) {
	return TCL_ERROR;
    }

    /*
     * There are four main cases. If there are no values to insert, this is
     * just a confirm-listiness check. If the index is '0', this is a prepend.
     * If the index is 'end' (== TCL_INDEX_END), this is an append. Otherwise,
     * this is a splice (== split, insert values as list, concat-3).
     */

    CompileWord(envPtr, listTokenPtr, interp, 1);
    if (parsePtr->numWords == 3) {
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,		envPtr);
	TclEmitInt4(			TCL_INDEX_END,		envPtr);
	return TCL_OK;
    }

    for (i=3 ; i<parsePtr->numWords ; i++) {
	tokenPtr = TokenAfter(tokenPtr);
	CompileWord(envPtr, tokenPtr, interp, i);
    }
    TclEmitInstInt4(		INST_LIST, i-3,			envPtr);

    if (idx == TCL_INDEX_START) {
	TclEmitInstInt4(	INST_REVERSE, 2,		envPtr);
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    } else if (idx == TCL_INDEX_END) {
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    } else {
	/*
	 * Here we handle two ranges for idx. First when idx > 0, we
	 * want the first half of the split to end at index idx-1 and
	 * the second half to start at index idx.
	 * Second when idx < TCL_INDEX_END, indicating "end-N" indexing,
	 * we want the first half of the split to end at index end-N and
	 * the second half to start at index end-N+1. We accomplish this
	 * with a pre-adjustment of the end-N value.
	 * The root of this is that the commands [lrange] and [linsert]
	 * differ in their interpretation of the "end" index.
	 */

	if (idx < TCL_INDEX_END) {
	    idx++;
	}
	TclEmitInstInt4(	INST_OVER, 1,			envPtr);
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,		envPtr);
	TclEmitInt4(			idx-1,			envPtr);
	TclEmitInstInt4(	INST_REVERSE, 3,		envPtr);
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, idx,	envPtr);
	TclEmitInt4(			TCL_INDEX_END,		envPtr);
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
	TclEmitOpcode(		INST_LIST_CONCAT,		envPtr);
    }

    return TCL_OK;
}
 
................................................................................
				 * command. */
    Command *cmdPtr,		/* Points to defintion of command being
				 * compiled. */
    CompileEnv *envPtr)		/* Holds the resulting instructions. */
{
    Tcl_Token *tokenPtr, *listTokenPtr;
    DefineLineInformation;	/* TIP #280 */
    int idx1, idx2, i;
    int emptyPrefix=1, suffixStart = 0;

    if (parsePtr->numWords < 4) {
	return TCL_ERROR;
    }
    listTokenPtr = TokenAfter(parsePtr->tokenPtr);







    tokenPtr = TokenAfter(listTokenPtr);
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_START, TCL_INDEX_AFTER,
	    &idx1) != TCL_OK) {
	return TCL_ERROR;
    }

    tokenPtr = TokenAfter(tokenPtr);
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_BEFORE, TCL_INDEX_END,
	    &idx2) != TCL_OK) {
	return TCL_ERROR;
    }

    /*
     * General structure of the [lreplace] result is
     *		prefix replacement suffix
     * In a few cases we can predict various parts will be empty and
     * take advantage.



     *




     * The proper suffix begins with the greater of indices idx1 or
     * idx2 + 1. If we cannot tell at compile time which is greater,
     * we must defer to direct evaluation.
     */

    if (idx1 == TCL_INDEX_AFTER) {
	suffixStart = idx1;
    } else if (idx2 == TCL_INDEX_BEFORE) {
	suffixStart = idx1;
    } else if (idx2 == TCL_INDEX_END) {
	suffixStart = TCL_INDEX_AFTER;
    } else if (((idx2 < TCL_INDEX_END) && (idx1 <= TCL_INDEX_END))
	    || ((idx2 >= TCL_INDEX_START) && (idx1 >= TCL_INDEX_START))) {
	suffixStart = (idx1 > idx2 + 1) ? idx1 : idx2 + 1;
    } else {
	return TCL_ERROR;
    }



    /* All paths start with computing/pushing the original value. */
    CompileWord(envPtr, listTokenPtr, interp, 1);


    /*

     * Push all the replacement values next so any errors raised in
     * creating them get raised first.
     */



    if (parsePtr->numWords > 4) {


	/* Push the replacement arguments */




















	tokenPtr = TokenAfter(tokenPtr);
	for (i=4 ; i<parsePtr->numWords ; i++) {
	    CompileWord(envPtr, tokenPtr, interp, i);
	    tokenPtr = TokenAfter(tokenPtr);
	}

	/* Make a list of them... */
	TclEmitInstInt4(	INST_LIST, i - 4,		envPtr);










	emptyPrefix = 0;




    }



     



    if ((idx1 == suffixStart) && (parsePtr->numWords == 4)) {
	/*



	 * This is a "no-op". Example: [lreplace {a b c} 2 0]
	 * We still do a list operation to get list-verification
	 * and canonicalization side effects.
	 */








	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,		envPtr);
	TclEmitInt4(			TCL_INDEX_END,		envPtr);

	return TCL_OK;
    }






    if (idx1 != TCL_INDEX_START) {
	/* Prefix may not be empty; generate bytecode to push it */
	if (emptyPrefix) {
	    TclEmitOpcode(	INST_DUP,			envPtr);





	} else {
	    TclEmitInstInt4(	INST_OVER, 1,			envPtr);
	}



















	TclEmitInstInt4(	INST_LIST_RANGE_IMM, 0,		envPtr);
	TclEmitInt4(			idx1 - 1,		envPtr);
	if (!emptyPrefix) {
	    TclEmitInstInt4(	INST_REVERSE, 2,		envPtr);


	    TclEmitOpcode(	INST_LIST_CONCAT,		envPtr);

	}






	emptyPrefix = 0;
    }














    if (!emptyPrefix) {
	TclEmitInstInt4(	INST_REVERSE, 2,		envPtr);


    }














    if (suffixStart == TCL_INDEX_AFTER) {
	TclEmitOpcode(		INST_POP,			envPtr);


	if (emptyPrefix) {
	    PushStringLiteral(envPtr, "");
	}



















    } else {
	/* Suffix may not be empty; generate bytecode to push it */
	TclEmitInstInt4(	INST_LIST_RANGE_IMM, suffixStart, envPtr);



	TclEmitInt4(			TCL_INDEX_END,		envPtr);

	if (!emptyPrefix) {
	    TclEmitOpcode(	INST_LIST_CONCAT,		envPtr);



	}



    }




    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclCompileLsetCmd --
................................................................................

	localIndex = IndexTailVarIfKnown(interp, varTokenPtr, envPtr);

	if (localIndex < 0) {
	    return TCL_ERROR;
	}

	/* TODO: Consider what value can pass through the
	 * IndexTailVarIfKnown() screen.  Full CompileWord()
	 * likely does not apply here.  Push known value instead. */
	CompileWord(envPtr, varTokenPtr, interp, i);
	TclEmitInstInt4(	INST_VARIABLE, localIndex,	envPtr);

	if (i+1 < numWords) {
	    /*

Changes to generic/tclCompCmdsSZ.c.

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#define LOAD(idx) \
    if ((idx)<256) {OP1(LOAD_SCALAR1,(idx));} else {OP4(LOAD_SCALAR4,(idx));}
#define STORE(idx) \
    if ((idx)<256) {OP1(STORE_SCALAR1,(idx));} else {OP4(STORE_SCALAR4,(idx));}
#define INVOKE(name) \
    TclEmitInvoke(envPtr,INST_##name)

#define INDEX_END	(-2)
 
/*
 *----------------------------------------------------------------------
 *
 * GetIndexFromToken --
 *
 *	Parse a token and get the encoded version of the index (as understood
 *	by TEBC), assuming it is at all knowable at compile time. Only handles
 *	indices that are integers or 'end' or 'end-integer'.
 *
 * Returns:
 *	TCL_OK if parsing succeeded, and TCL_ERROR if it failed.
 *
 * Side effects:
 *	Sets *index to the index value if successful.
 *
 *----------------------------------------------------------------------
 */

static inline int
GetIndexFromToken(
    Tcl_Token *tokenPtr,
    int *index)
{
    Tcl_Obj *tmpObj = Tcl_NewObj();
    int result, idx;

    if (!TclWordKnownAtCompileTime(tokenPtr, tmpObj)) {
	Tcl_DecrRefCount(tmpObj);
	return TCL_ERROR;
    }

    result = TclGetIntFromObj(NULL, tmpObj, &idx);
    if (result == TCL_OK) {
	if (idx < 0) {
	    result = TCL_ERROR;
	}
    } else {
	result = TclGetIntForIndexM(NULL, tmpObj, INDEX_END, &idx);
	if (result == TCL_OK && idx > INDEX_END) {
	    result = TCL_ERROR;
	}
    }
    Tcl_DecrRefCount(tmpObj);

    if (result == TCL_OK) {
	*index = idx;
    }

    return result;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclCompileSetCmd --
 *
 *	Procedure called to compile the "set" command.
................................................................................
    if (parsePtr->numWords != 4) {
	return TCL_ERROR;
    }
    stringTokenPtr = TokenAfter(parsePtr->tokenPtr);
    fromTokenPtr = TokenAfter(stringTokenPtr);
    toTokenPtr = TokenAfter(fromTokenPtr);




    /*
     * Parse the two indices.
     */


    if (GetIndexFromToken(fromTokenPtr, &idx1) != TCL_OK) {
	goto nonConstantIndices;
    }













    if (GetIndexFromToken(toTokenPtr, &idx2) != TCL_OK) {
	goto nonConstantIndices;










    }

    /*
     * Push the operand onto the stack and then the substring operation.
     */

    CompileWord(envPtr, stringTokenPtr,			interp, 1);
    OP44(		STR_RANGE_IMM, idx1, idx2);
    return TCL_OK;

    /*
     * Push the operands onto the stack and then the substring operation.
     */

  nonConstantIndices:
    CompileWord(envPtr, stringTokenPtr,			interp, 1);
    CompileWord(envPtr, fromTokenPtr,			interp, 2);
    CompileWord(envPtr, toTokenPtr,			interp, 3);
    OP(			STR_RANGE);
    return TCL_OK;
}

int
................................................................................
    Tcl_Interp *interp,		/* Tcl interpreter for context. */
    Tcl_Parse *parsePtr,	/* Points to a parse structure for the
				 * command. */
    Command *cmdPtr,		/* Points to defintion of command being
				 * compiled. */
    CompileEnv *envPtr)		/* Holds the resulting instructions. */
{
    Tcl_Token *tokenPtr, *valueTokenPtr, *replacementTokenPtr = NULL;
    DefineLineInformation;	/* TIP #280 */
    int idx1, idx2;

    if (parsePtr->numWords < 4 || parsePtr->numWords > 5) {
	return TCL_ERROR;
    }


    valueTokenPtr = TokenAfter(parsePtr->tokenPtr);
    if (parsePtr->numWords == 5) {
	tokenPtr = TokenAfter(valueTokenPtr);
	tokenPtr = TokenAfter(tokenPtr);
	replacementTokenPtr = TokenAfter(tokenPtr);
    }

    /*
     * Parse the indices. Will only compile special cases if both are
     * constants and not an _integer_ less than zero (since we reserve
     * negative indices here for end-relative indexing) or an end-based index
     * greater than 'end' itself.

     */

    tokenPtr = TokenAfter(valueTokenPtr);
    if (GetIndexFromToken(tokenPtr, &idx1) != TCL_OK) {

	goto genericReplace;
    }




    tokenPtr = TokenAfter(tokenPtr);
    if (GetIndexFromToken(tokenPtr, &idx2) != TCL_OK) {

	goto genericReplace;
    }

    /*
     * We handle these replacements specially: first character (where
     * idx1=idx2=0) and last character (where idx1=idx2=INDEX_END). Anything
     * else and the semantics get rather screwy.











     */

    if (idx1 == 0 && idx2 == 0) {
	int notEq, end;



	/*
	 * Just working with the first character.








	 */

















	CompileWord(envPtr, valueTokenPtr, interp, 1);
	if (replacementTokenPtr == NULL) {
	    /* Drop first */
	    OP44(	STR_RANGE_IMM, 1, INDEX_END);



	    return TCL_OK;
	}
	/* Replace first */












































	CompileWord(envPtr, replacementTokenPtr, interp, 4);
	OP4(		OVER, 1);
	PUSH(		"");
	OP(		STR_EQ);
	JUMP1(		JUMP_FALSE, notEq);
	OP(		POP);
	JUMP1(		JUMP, end);
	FIXJUMP1(notEq);
	TclAdjustStackDepth(1, envPtr);
	OP4(		REVERSE, 2);










	OP44(		STR_RANGE_IMM, 1, INDEX_END);


	OP1(		STR_CONCAT1, 2);
	FIXJUMP1(end);
	return TCL_OK;

    } else if (idx1 == INDEX_END && idx2 == INDEX_END) {
	int notEq, end;




	/*
	 * Just working with the last character.



	 */

	CompileWord(envPtr, valueTokenPtr, interp, 1);
	if (replacementTokenPtr == NULL) {
	    /* Drop last */














	    OP44(	STR_RANGE_IMM, 0, INDEX_END-1);
	    return TCL_OK;
	}
	/* Replace last */
	CompileWord(envPtr, replacementTokenPtr, interp, 4);
	OP4(		OVER, 1);
	PUSH(		"");
	OP(		STR_EQ);
	JUMP1(		JUMP_FALSE, notEq);
	OP(		POP);
	JUMP1(		JUMP, end);
	FIXJUMP1(notEq);
	TclAdjustStackDepth(1, envPtr);
	OP4(		REVERSE, 2);
	OP44(		STR_RANGE_IMM, 0, INDEX_END-1);
	OP4(		REVERSE, 2);

	OP1(		STR_CONCAT1, 2);
	FIXJUMP1(end);
	return TCL_OK;

    } else {
	/*
	 * Need to process indices at runtime. This could be because the
	 * indices are not constants, or because we need to resolve them to
	 * absolute indices to work out if a replacement is going to happen.
	 * In any case, to runtime it is.
	 */


    genericReplace:
	CompileWord(envPtr, valueTokenPtr, interp, 1);
	tokenPtr = TokenAfter(valueTokenPtr);
	CompileWord(envPtr, tokenPtr, interp, 2);
	tokenPtr = TokenAfter(tokenPtr);
	CompileWord(envPtr, tokenPtr, interp, 3);
	if (replacementTokenPtr != NULL) {

	    CompileWord(envPtr, replacementTokenPtr, interp, 4);
	} else {
	    PUSH(	"");
	}
	OP(		STR_REPLACE);
	return TCL_OK;
    }
}

int
TclCompileStringTrimLCmd(
    Tcl_Interp *interp,		/* Used for error reporting. */
    Tcl_Parse *parsePtr,	/* Points to a parse structure for the command
				 * created by Tcl_ParseCommand. */
................................................................................
	PUSH("");
	count++;
    }

    for (endTokenPtr = tokenPtr + parse.numTokens;
	    tokenPtr < endTokenPtr; tokenPtr = TokenAfter(tokenPtr)) {
	int length, literal, catchRange, breakJump;
	char buf[TCL_UTF_MAX];
	JumpFixup startFixup, okFixup, returnFixup, breakFixup;
	JumpFixup continueFixup, otherFixup, endFixup;

	switch (tokenPtr->type) {
	case TCL_TOKEN_TEXT:
	    literal = TclRegisterNewLiteral(envPtr,
		    tokenPtr->start, tokenPtr->size);






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#define LOAD(idx) \
    if ((idx)<256) {OP1(LOAD_SCALAR1,(idx));} else {OP4(LOAD_SCALAR4,(idx));}
#define STORE(idx) \
    if ((idx)<256) {OP1(STORE_SCALAR1,(idx));} else {OP4(STORE_SCALAR4,(idx));}
#define INVOKE(name) \
    TclEmitInvoke(envPtr,INST_##name)





















































 
/*
 *----------------------------------------------------------------------
 *
 * TclCompileSetCmd --
 *
 *	Procedure called to compile the "set" command.
................................................................................
    if (parsePtr->numWords != 4) {
	return TCL_ERROR;
    }
    stringTokenPtr = TokenAfter(parsePtr->tokenPtr);
    fromTokenPtr = TokenAfter(stringTokenPtr);
    toTokenPtr = TokenAfter(fromTokenPtr);

    /* Every path must push the string argument */
    CompileWord(envPtr, stringTokenPtr,			interp, 1);

    /*
     * Parse the two indices.
     */

    if (TclGetIndexFromToken(fromTokenPtr, TCL_INDEX_START, TCL_INDEX_AFTER,
	    &idx1) != TCL_OK) {
	goto nonConstantIndices;
    }
    /*
     * Token parsed as an index expression. We treat all indices before
     * the string the same as the start of the string.
     */

    if (idx1 == TCL_INDEX_AFTER) {
	/* [string range $s end+1 $last] must be empty string */
	OP(		POP);
	PUSH(		"");
	return TCL_OK;
    }

    if (TclGetIndexFromToken(toTokenPtr, TCL_INDEX_BEFORE, TCL_INDEX_END,
	    &idx2) != TCL_OK) {
	goto nonConstantIndices;
    }
    /*
     * Token parsed as an index expression. We treat all indices after
     * the string the same as the end of the string.
     */
    if (idx2 == TCL_INDEX_BEFORE) {
	/* [string range $s $first -1] must be empty string */
	OP(		POP);
	PUSH(		"");
	return TCL_OK;
    }

    /*
     * Push the operand onto the stack and then the substring operation.
     */


    OP44(		STR_RANGE_IMM, idx1, idx2);
    return TCL_OK;

    /*
     * Push the operands onto the stack and then the substring operation.
     */

  nonConstantIndices:

    CompileWord(envPtr, fromTokenPtr,			interp, 2);
    CompileWord(envPtr, toTokenPtr,			interp, 3);
    OP(			STR_RANGE);
    return TCL_OK;
}

int
................................................................................
    Tcl_Interp *interp,		/* Tcl interpreter for context. */
    Tcl_Parse *parsePtr,	/* Points to a parse structure for the
				 * command. */
    Command *cmdPtr,		/* Points to defintion of command being
				 * compiled. */
    CompileEnv *envPtr)		/* Holds the resulting instructions. */
{
    Tcl_Token *tokenPtr, *valueTokenPtr;
    DefineLineInformation;	/* TIP #280 */
    int first, last;

    if (parsePtr->numWords < 4 || parsePtr->numWords > 5) {
	return TCL_ERROR;
    }
 
    /* Bytecode to compute/push string argument being replaced */
    valueTokenPtr = TokenAfter(parsePtr->tokenPtr);


    CompileWord(envPtr, valueTokenPtr, interp, 1);



    /*




     * Check for first index known and useful at compile time. 
     */

    tokenPtr = TokenAfter(valueTokenPtr);
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_BEFORE, TCL_INDEX_AFTER,
	    &first) != TCL_OK) {
	goto genericReplace;
    }

    /*
     * Check for last index known and useful at compile time. 
     */
    tokenPtr = TokenAfter(tokenPtr);
    if (TclGetIndexFromToken(tokenPtr, TCL_INDEX_BEFORE, TCL_INDEX_AFTER,
	    &last) != TCL_OK) {
	goto genericReplace;
    }

    /* 



     * [string replace] is an odd bird.  For many arguments it is
     * a conventional substring replacer.  However it also goes out
     * of its way to become a no-op for many cases where it would be
     * replacing an empty substring.  Precisely, it is a no-op when
     *
     *		(last < first)		OR
     *		(last < 0)		OR
     *		(end < first)
     *
     * For some compile-time values we can detect these cases, and
     * compile direct to bytecode implementing the no-op.
     */



    if ((last == TCL_INDEX_BEFORE)		/* Know (last < 0) */
	    || (first == TCL_INDEX_AFTER)	/* Know (first > end) */

	/*

	 * Tricky to determine when runtime (last < first) can be
	 * certainly known based on the encoded values. Consider the
	 * cases...
	 *
	 * (first <= TCL_INDEX_END) &&
	 *	(last == TCL_INDEX_AFTER) => cannot tell REJECT
	 *	(last <= TCL_INDEX END) && (last < first) => ACCEPT
	 *	else => cannot tell REJECT
	 */
	    || ((first <= TCL_INDEX_END) && (last <= TCL_INDEX_END)
		&& (last < first))		/* Know (last < first) */
	/*
	 * (first == TCL_INDEX_BEFORE) &&
	 *	(last == TCL_INDEX_AFTER) => (first < last) REJECT
	 *	(last <= TCL_INDEX_END) => cannot tell REJECT
	 *	else		=> (first < last) REJECT
	 *
	 * else [[first >= TCL_INDEX_START]] &&
	 *	(last == TCL_INDEX_AFTER) => cannot tell REJECT
	 *	(last <= TCL_INDEX_END) => cannot tell REJECT
	 *	else [[last >= TCL_INDEX START]] && (last < first) => ACCEPT
	 */
	    || ((first >= TCL_INDEX_START) && (last >= TCL_INDEX_START)
		&& (last < first))) {		/* Know (last < first) */
	if (parsePtr->numWords == 5) {
	    tokenPtr = TokenAfter(tokenPtr);
	    CompileWord(envPtr, tokenPtr, interp, 4);



	    OP(		POP);		/* Pop newString */
	}
	/* Original string argument now on TOS as result */
	return TCL_OK;
    }


    if (parsePtr->numWords == 5) {
    /*
     * When we have a string replacement, we have to take care about
     * not replacing empty substrings that [string replace] promises
     * not to replace
     *
     * The remaining index values might be suitable for conventional
     * string replacement, but only if they cannot possibly meet the
     * conditions described above at runtime. If there's a chance they
     * might, we would have to emit bytecode to check and at that point
     * we're paying more in bytecode execution time than would make
     * things worthwhile. Trouble is we are very limited in
     * how much we can detect that at compile time. After decoding,
     * we need, first:
     *
     *		(first <= end)
     *
     * The encoded indices (first <= TCL_INDEX END) and
     * (first == TCL_INDEX_BEFORE) always meets this condition, but
     * any other encoded first index has some list for which it fails.
     *
     * We also need, second:
     *
     *		(last >= 0)
     *
     * The encoded indices (last >= TCL_INDEX_START) and
     * (last == TCL_INDEX_AFTER) always meet this condition but any
     * other encoded last index has some list for which it fails.
     *
     * Finally we need, third:
     *
     *		(first <= last)
     * 
     * Considered in combination with the constraints we already have,
     * we see that we can proceed when (first == TCL_INDEX_BEFORE)
     * or (last == TCL_INDEX_AFTER). These also permit simplification
     * of the prefix|replace|suffix construction. The other constraints,
     * though, interfere with getting a guarantee that first <= last. 
     */

    if ((first == TCL_INDEX_BEFORE) && (last >= TCL_INDEX_START)) {
	/* empty prefix */
	tokenPtr = TokenAfter(tokenPtr);
	CompileWord(envPtr, tokenPtr, interp, 4);








	OP4(		REVERSE, 2);
	if (last == TCL_INDEX_AFTER) {
	    OP(		POP);		/* Pop  original */
	} else {
	    OP44(	STR_RANGE_IMM, last + 1, TCL_INDEX_END);
	    OP1(	STR_CONCAT1, 2);
	}
	return TCL_OK;
    }

    if ((last == TCL_INDEX_AFTER) && (first <= TCL_INDEX_END)) {
	OP44(		STR_RANGE_IMM, 0, first-1);
	tokenPtr = TokenAfter(tokenPtr);
	CompileWord(envPtr, tokenPtr, interp, 4);
	OP1(		STR_CONCAT1, 2);

	return TCL_OK;
    }



	/* FLOW THROUGH TO genericReplace */

    } else {
	/* 

	 * When we have no replacement string to worry about, we may
	 * have more luck, because the forbidden empty string replacements
	 * are harmless when they are replaced by another empty string.
	 */




	if ((first == TCL_INDEX_BEFORE) || (first == TCL_INDEX_START)) {
	    /* empty prefix - build suffix only */

	    if ((last == TCL_INDEX_END) || (last == TCL_INDEX_AFTER)) {
		/* empty suffix too => empty result */
		OP(	POP);		/* Pop  original */
		PUSH	(	"");
		return TCL_OK;
	    }
	    OP44(	STR_RANGE_IMM, last + 1, TCL_INDEX_END);
	    return TCL_OK;
	} else {
	    if ((last == TCL_INDEX_END) || (last == TCL_INDEX_AFTER)) {
		/* empty suffix - build prefix only */
		OP44(	STR_RANGE_IMM, 0, first-1);
		return TCL_OK;
	    }






	    OP(		DUP);




	    OP44(	STR_RANGE_IMM, 0, first-1);
	    OP4(	REVERSE, 2);
	    OP44(	STR_RANGE_IMM, last + 1, TCL_INDEX_END);
	    OP1(	STR_CONCAT1, 2);

	    return TCL_OK;
	}







    }

    genericReplace:

	tokenPtr = TokenAfter(valueTokenPtr);
	CompileWord(envPtr, tokenPtr, interp, 2);
	tokenPtr = TokenAfter(tokenPtr);
	CompileWord(envPtr, tokenPtr, interp, 3);
	if (parsePtr->numWords == 5) {
	    tokenPtr = TokenAfter(tokenPtr);
	    CompileWord(envPtr, tokenPtr, interp, 4);
	} else {
	    PUSH(	"");
	}
	OP(		STR_REPLACE);
	return TCL_OK;

}

int
TclCompileStringTrimLCmd(
    Tcl_Interp *interp,		/* Used for error reporting. */
    Tcl_Parse *parsePtr,	/* Points to a parse structure for the command
				 * created by Tcl_ParseCommand. */
................................................................................
	PUSH("");
	count++;
    }

    for (endTokenPtr = tokenPtr + parse.numTokens;
	    tokenPtr < endTokenPtr; tokenPtr = TokenAfter(tokenPtr)) {
	int length, literal, catchRange, breakJump;
	char buf[TCL_UTF_MAX] = "";
	JumpFixup startFixup, okFixup, returnFixup, breakFixup;
	JumpFixup continueFixup, otherFixup, endFixup;

	switch (tokenPtr->type) {
	case TCL_TOKEN_TEXT:
	    literal = TclRegisterNewLiteral(envPtr,
		    tokenPtr->start, tokenPtr->size);

Changes to generic/tclCompExpr.c.

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    unsigned char *lexemePtr,	/* Write code of parsed lexeme to this
				 * storage. */
    Tcl_Obj **literalPtr)	/* Write corresponding literal value to this
				   storage, if non-NULL. */
{
    const char *end;
    int scanned;
    Tcl_UniChar ch;
    Tcl_Obj *literal = NULL;
    unsigned char byte;

    if (numBytes == 0) {
	*lexemePtr = END;
	return 0;
    }






|







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    unsigned char *lexemePtr,	/* Write code of parsed lexeme to this
				 * storage. */
    Tcl_Obj **literalPtr)	/* Write corresponding literal value to this
				   storage, if non-NULL. */
{
    const char *end;
    int scanned;
    Tcl_UniChar ch = 0;
    Tcl_Obj *literal = NULL;
    unsigned char byte;

    if (numBytes == 0) {
	*lexemePtr = END;
	return 0;
    }

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	    if (tempPtr != NULL) {
		Tcl_AppendToObj(tempPtr, tokenPtr->start, tokenPtr->size);
	    }
	    break;

	case TCL_TOKEN_BS:
	    if (tempPtr != NULL) {
		char utfBuf[TCL_UTF_MAX];
		int length = TclParseBackslash(tokenPtr->start,
			tokenPtr->size, NULL, utfBuf);

		Tcl_AppendToObj(tempPtr, utfBuf, length);
	    }
	    break;

................................................................................
				 * compile. */
    int count,			/* Number of tokens to consider at tokenPtr.
				 * Must be at least 1. */
    CompileEnv *envPtr)		/* Holds the resulting instructions. */
{
    Tcl_DString textBuffer;	/* Holds concatenated chars from adjacent
				 * TCL_TOKEN_TEXT, TCL_TOKEN_BS tokens. */
    char buffer[TCL_UTF_MAX];
    int i, numObjsToConcat, length, adjust;
    unsigned char *entryCodeNext = envPtr->codeNext;
#define NUM_STATIC_POS 20
    int isLiteral, maxNumCL, numCL;
    int *clPosition = NULL;
    int depth = TclGetStackDepth(envPtr);







|







 







|







1719
1720
1721
1722
1723
1724
1725
1726
1727
1728
1729
1730
1731
1732
1733
....
2333
2334
2335
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
	    if (tempPtr != NULL) {
		Tcl_AppendToObj(tempPtr, tokenPtr->start, tokenPtr->size);
	    }
	    break;

	case TCL_TOKEN_BS:
	    if (tempPtr != NULL) {
		char utfBuf[TCL_UTF_MAX] = "";
		int length = TclParseBackslash(tokenPtr->start,
			tokenPtr->size, NULL, utfBuf);

		Tcl_AppendToObj(tempPtr, utfBuf, length);
	    }
	    break;

................................................................................
				 * compile. */
    int count,			/* Number of tokens to consider at tokenPtr.
				 * Must be at least 1. */
    CompileEnv *envPtr)		/* Holds the resulting instructions. */
{
    Tcl_DString textBuffer;	/* Holds concatenated chars from adjacent
				 * TCL_TOKEN_TEXT, TCL_TOKEN_BS tokens. */
    char buffer[TCL_UTF_MAX] = "";
    int i, numObjsToConcat, length, adjust;
    unsigned char *entryCodeNext = envPtr->codeNext;
#define NUM_STATIC_POS 20
    int isLiteral, maxNumCL, numCL;
    int *clPosition = NULL;
    int depth = TclGetStackDepth(envPtr);

Changes to generic/tclCompile.h.

1117
1118
1119
1120
1121
1122
1123


1124
1125
1126
1127
1128
1129
1130
....
1507
1508
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
MODULE_SCOPE int	TclFindCompiledLocal(const char *name, int nameChars,
			    int create, CompileEnv *envPtr);
MODULE_SCOPE int	TclFixupForwardJump(CompileEnv *envPtr,
			    JumpFixup *jumpFixupPtr, int jumpDist,
			    int distThreshold);
MODULE_SCOPE void	TclFreeCompileEnv(CompileEnv *envPtr);
MODULE_SCOPE void	TclFreeJumpFixupArray(JumpFixupArray *fixupArrayPtr);


MODULE_SCOPE void	TclInitByteCodeObj(Tcl_Obj *objPtr,
			    CompileEnv *envPtr);
MODULE_SCOPE void	TclInitCompileEnv(Tcl_Interp *interp,
			    CompileEnv *envPtr, const char *string,
			    int numBytes, const CmdFrame *invoker, int word);
MODULE_SCOPE void	TclInitJumpFixupArray(JumpFixupArray *fixupArrayPtr);
MODULE_SCOPE void	TclInitLiteralTable(LiteralTable *tablePtr);
................................................................................
#   define TclGetInt1AtPtr(p) ((int) *((signed char *) p))
#else
#   define TclGetInt1AtPtr(p) \
    (((int) *((char *) p)) | ((*(p) & 0200) ? (-256) : 0))
#endif

#define TclGetInt4AtPtr(p) \
    (((int) TclGetInt1AtPtr(p) << 24) |				\
		     (*((p)+1) << 16) |				\
		     (*((p)+2) <<  8) |				\
		     (*((p)+3)))

#define TclGetUInt1AtPtr(p) \
    ((unsigned int) *(p))
#define TclGetUInt4AtPtr(p) \






>
>







 







|







1117
1118
1119
1120
1121
1122
1123
1124
1125
1126
1127
1128
1129
1130
1131
1132
....
1509
1510
1511
1512
1513
1514
1515
1516
1517
1518
1519
1520
1521
1522
1523
MODULE_SCOPE int	TclFindCompiledLocal(const char *name, int nameChars,
			    int create, CompileEnv *envPtr);
MODULE_SCOPE int	TclFixupForwardJump(CompileEnv *envPtr,
			    JumpFixup *jumpFixupPtr, int jumpDist,
			    int distThreshold);
MODULE_SCOPE void	TclFreeCompileEnv(CompileEnv *envPtr);
MODULE_SCOPE void	TclFreeJumpFixupArray(JumpFixupArray *fixupArrayPtr);
MODULE_SCOPE int	TclGetIndexFromToken(Tcl_Token *tokenPtr,
			    int before, int after, int *indexPtr);
MODULE_SCOPE void	TclInitByteCodeObj(Tcl_Obj *objPtr,
			    CompileEnv *envPtr);
MODULE_SCOPE void	TclInitCompileEnv(Tcl_Interp *interp,
			    CompileEnv *envPtr, const char *string,
			    int numBytes, const CmdFrame *invoker, int word);
MODULE_SCOPE void	TclInitJumpFixupArray(JumpFixupArray *fixupArrayPtr);
MODULE_SCOPE void	TclInitLiteralTable(LiteralTable *tablePtr);
................................................................................
#   define TclGetInt1AtPtr(p) ((int) *((signed char *) p))
#else
#   define TclGetInt1AtPtr(p) \
    (((int) *((char *) p)) | ((*(p) & 0200) ? (-256) : 0))
#endif

#define TclGetInt4AtPtr(p) \
    (((int) (TclGetUInt1AtPtr(p) << 24)) |				\
		     (*((p)+1) << 16) |				\
		     (*((p)+2) <<  8) |				\
		     (*((p)+3)))

#define TclGetUInt1AtPtr(p) \
    ((unsigned int) *(p))
#define TclGetUInt4AtPtr(p) \

Changes to generic/tclDate.c.

1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
#endif
#endif
{
  /* The look-ahead symbol.  */
int yychar;

/* The semantic value of the look-ahead symbol.  */
YYSTYPE yylval;

/* Number of syntax errors so far.  */
int yynerrs;
/* Location data for the look-ahead symbol.  */
YYLTYPE yylloc;

  int yystate;






|







1344
1345
1346
1347
1348
1349
1350
1351
1352
1353
1354
1355
1356
1357
1358
#endif
#endif
{
  /* The look-ahead symbol.  */
int yychar;

/* The semantic value of the look-ahead symbol.  */
YYSTYPE yylval = {0};

/* Number of syntax errors so far.  */
int yynerrs;
/* Location data for the look-ahead symbol.  */
YYLTYPE yylloc;

  int yystate;

Changes to generic/tclDictObj.c.

149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
...
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
...
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
} Dict;

/*
 * Accessor macro for converting between a Tcl_Obj* and a Dict. Note that this
 * must be assignable as well as readable.
 */

#define DICT(dictObj)   (*((Dict **)&(dictObj)->internalRep.twoPtrValue.ptr1))

/*
 * The structure below defines the dictionary object type by means of
 * functions that can be invoked by generic object code.
 */

const Tcl_ObjType tclDictType = {
................................................................................
 *----------------------------------------------------------------------
 */

static void
UpdateStringOfDict(
    Tcl_Obj *dictPtr)
{
#define LOCAL_SIZE 20
    int localFlags[LOCAL_SIZE], *flagPtr = NULL;
    Dict *dict = DICT(dictPtr);
    ChainEntry *cPtr;
    Tcl_Obj *keyPtr, *valuePtr;
    int i, length, bytesNeeded = 0;
    const char *elem;
    char *dst;
    const int maxFlags = UINT_MAX / sizeof(int);

    /*
     * This field is the most useful one in the whole hash structure, and it
     * is not exposed by any API function...
     */

    int numElems = dict->table.numEntries * 2;
................................................................................

    /*
     * Pass 1: estimate space, gather flags.
     */

    if (numElems <= LOCAL_SIZE) {
	flagPtr = localFlags;
    } else if (numElems > maxFlags) {
	Tcl_Panic("max size for a Tcl value (%d bytes) exceeded", INT_MAX);
    } else {
	flagPtr = ckalloc(numElems * sizeof(int));
    }
    for (i=0,cPtr=dict->entryChainHead; i<numElems; i+=2,cPtr=cPtr->nextPtr) {
	/*
	 * Assume that cPtr is never NULL since we know the number of array
	 * elements already.
	 */







|







 







|
|






<







 







<
<

|







149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
...
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497

498
499
500
501
502
503
504
...
512
513
514
515
516
517
518


519
520
521
522
523
524
525
526
527
} Dict;

/*
 * Accessor macro for converting between a Tcl_Obj* and a Dict. Note that this
 * must be assignable as well as readable.
 */

#define DICT(dictObj)   ((dictObj)->internalRep.twoPtrValue.ptr1)

/*
 * The structure below defines the dictionary object type by means of
 * functions that can be invoked by generic object code.
 */

const Tcl_ObjType tclDictType = {
................................................................................
 *----------------------------------------------------------------------
 */

static void
UpdateStringOfDict(
    Tcl_Obj *dictPtr)
{
#define LOCAL_SIZE 64
    char localFlags[LOCAL_SIZE], *flagPtr = NULL;
    Dict *dict = DICT(dictPtr);
    ChainEntry *cPtr;
    Tcl_Obj *keyPtr, *valuePtr;
    int i, length, bytesNeeded = 0;
    const char *elem;
    char *dst;


    /*
     * This field is the most useful one in the whole hash structure, and it
     * is not exposed by any API function...
     */

    int numElems = dict->table.numEntries * 2;
................................................................................

    /*
     * Pass 1: estimate space, gather flags.
     */

    if (numElems <= LOCAL_SIZE) {
	flagPtr = localFlags;


    } else {
	flagPtr = ckalloc(numElems);
    }
    for (i=0,cPtr=dict->entryChainHead; i<numElems; i+=2,cPtr=cPtr->nextPtr) {
	/*
	 * Assume that cPtr is never NULL since we know the number of array
	 * elements already.
	 */

Changes to generic/tclEncoding.c.

1716
1717
1718
1719
1720
1721
1722
1723


1724
1725
1726
1727
1728
1729
1730
....
1756
1757
1758
1759
1760
1761
1762

1763
1764


1765
1766
1767
1768
1769
1770
1771
....
2292
2293
2294
2295
2296
2297
2298
2299
2300



2301
2302
2303
2304
2305
2306
2307
....
2325
2326
2327
2328
2329
2330
2331
2332
2333
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2335
2336
2337
2338
2339
....
2341
2342
2343
2344
2345
2346
2347
2348
2349
2350
2351
2352
2353
2354
2355





2356
2357


2358
2359
2360
2361
2362
2363
2364
....
2406
2407
2408
2409
2410
2411
2412
2413
2414



2415
2416
2417
2418
2419
2420
2421
....
2435
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2437
2438
2439
2440
2441
2442
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452
2453
....
2496
2497
2498
2499
2500
2501
2502
2503
2504



2505
2506
2507
2508
2509
2510
2511
....
2523
2524
2525
2526
2527
2528
2529
2530
2531
2532
2533
2534
2535
2536
2537
2538
2539
2540
2541
2542
2543
2544
2545
2546
2547
2548
2549
2550
2551
2552
2553
2554
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2556
2557
2558
2559
2560
2561
2562
....
2606
2607
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2609
2610
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2612
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2616
2617
2618
2619
2620
....
2718
2719
2720
2721
2722
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2724
2725
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2728
2729
2730
2731
2732
....
2750
2751
2752
2753
2754
2755
2756
2757
2758
2759
2760
2761
2762
2763
2764




2765
2766
2767
2768
2769
2770
2771
....
2852
2853
2854
2855
2856
2857
2858
2859
2860
2861
2862
2863
2864
2865
2866
....
2938
2939
2940
2941
2942
2943
2944
2945
2946
2947
2948
2949
2950
2951
2952
....
2956
2957
2958
2959
2960
2961
2962
2963




2964
2965
2966
2967



2968
2969
2970
2971
2972
2973
2974
....
3325
3326
3327
3328
3329
3330
3331
3332
3333
3334
3335
3336
3337
3338
3339
....
3370
3371
3372
3373
3374
3375
3376
3377
3378
3379
3380
3381
3382
3383
3384
....
3389
3390
3391
3392
3393
3394
3395
3396
3397
3398
3399
3400
3401
3402
3403
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 192 ... 207 */
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 208 ... 223 */
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 224 ... 239 */
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 240 ... 255 */
    };

    Tcl_DStringInit(&lineString);
    Tcl_Gets(chan, &lineString);


    line = Tcl_DStringValue(&lineString);

    fallback = (int) strtol(line, &line, 16);
    symbol = (int) strtol(line, &line, 10);
    numPages = (int) strtol(line, &line, 10);
    Tcl_DStringFree(&lineString);

................................................................................
    pageMemPtr = (unsigned short *) (dataPtr->toUnicode + 256);

    TclNewObj(objPtr);
    Tcl_IncrRefCount(objPtr);
    for (i = 0; i < numPages; i++) {
	int ch;
	const char *p;


	Tcl_ReadChars(chan, objPtr, 3 + 16 * (16 * 4 + 1), 0);


	p = Tcl_GetString(objPtr);
	hi = (staticHex[UCHAR(p[0])] << 4) + staticHex[UCHAR(p[1])];
	dataPtr->toUnicode[hi] = pageMemPtr;
	p += 2;
	for (lo = 0; lo < 256; lo++) {
	    if ((lo & 0x0f) == 0) {
		p++;
................................................................................
    int pureNullMode)		/* Convert embedded nulls from internal
				 * representation to real null-bytes or vice
				 * versa. */
{
    const char *srcStart, *srcEnd, *srcClose;
    const char *dstStart, *dstEnd;
    int result, numChars, charLimit = INT_MAX;
    Tcl_UniChar ch;




    result = TCL_OK;

    srcStart = src;
    srcEnd = src + srcLen;
    srcClose = srcEnd;
    if ((flags & TCL_ENCODING_END) == 0) {
	srcClose -= TCL_UTF_MAX;
................................................................................
	}
	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}
	if (UCHAR(*src) < 0x80 && !(UCHAR(*src) == 0 && pureNullMode == 0)) {
	    /*
	     * Copy 7bit chatacters, but skip null-bytes when we are in input
	     * mode, so that they get converted to 0xc080.
	     */

	    *dst++ = *src++;
	} else if (pureNullMode == 1 && UCHAR(*src) == 0xc0 &&
		(src + 1 < srcEnd) && UCHAR(*(src+1)) == 0x80) {
	    /*
................................................................................
	     */

	    *dst++ = 0;
	    src += 2;
	} else if (!Tcl_UtfCharComplete(src, srcEnd - src)) {
	    /*
	     * Always check before using TclUtfToUniChar. Not doing can so
	     * cause it run beyond the endof the buffer! If we happen such an
	     * incomplete char its byts are made to represent themselves.
	     */

	    ch = (unsigned char) *src;
	    src += 1;
	    dst += Tcl_UniCharToUtf(ch, dst);
	} else {





	    src += TclUtfToUniChar(src, &ch);
	    dst += Tcl_UniCharToUtf(ch, dst);


	}
    }

    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
    return result;
................................................................................
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd;
    const char *dstEnd, *dstStart;
    int result, numChars, charLimit = INT_MAX;
    Tcl_UniChar ch;




    if (flags & TCL_ENCODING_CHAR_LIMIT) {
	charLimit = *dstCharsPtr;
    }
    result = TCL_OK;
    if ((srcLen % sizeof(Tcl_UniChar)) != 0) {
	result = TCL_CONVERT_MULTIBYTE;
	srcLen /= sizeof(Tcl_UniChar);
................................................................................
	}

	/*
	 * Special case for 1-byte utf chars for speed. Make sure we work with
	 * Tcl_UniChar-size data.
	 */

	ch = *(Tcl_UniChar *)src;
	if (ch && ch < 0x80) {
	    *dst++ = (ch & 0xFF);
	} else {
	    dst += Tcl_UniCharToUtf(ch, dst);
	}
	src += sizeof(Tcl_UniChar);
    }

    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
................................................................................
				 * the conversion. */
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd, *srcClose, *dstStart, *dstEnd;
    int result, numChars;
    Tcl_UniChar ch;




    srcStart = src;
    srcEnd = src + srcLen;
    srcClose = srcEnd;
    if ((flags & TCL_ENCODING_END) == 0) {
	srcClose -= TCL_UTF_MAX;
    }

................................................................................
	    result = TCL_CONVERT_MULTIBYTE;
	    break;
	}
	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}
	src += TclUtfToUniChar(src, &ch);

	/*
	 * Need to handle this in a way that won't cause misalignment by
	 * casting dst to a Tcl_UniChar. [Bug 1122671]
	 */

#ifdef WORDS_BIGENDIAN
#if TCL_UTF_MAX > 4
	*dst++ = (ch >> 24);
	*dst++ = ((ch >> 16) & 0xFF);
	*dst++ = ((ch >> 8) & 0xFF);
	*dst++ = (ch & 0xFF);
#else
	*dst++ = (ch >> 8);
	*dst++ = (ch & 0xFF);
#endif
#else
#if TCL_UTF_MAX > 4
	*dst++ = (ch & 0xFF);
	*dst++ = ((ch >> 8) & 0xFF);
	*dst++ = ((ch >> 16) & 0xFF);
	*dst++ = (ch >> 24);
#else
	*dst++ = (ch & 0xFF);
	*dst++ = (ch >> 8);
#endif
#endif
    }
    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
    return result;
................................................................................
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd;
    const char *dstEnd, *dstStart, *prefixBytes;
    int result, byte, numChars, charLimit = INT_MAX;
    Tcl_UniChar ch;
    const unsigned short *const *toUnicode;
    const unsigned short *pageZero;
    TableEncodingData *dataPtr = clientData;

    if (flags & TCL_ENCODING_CHAR_LIMIT) {
	charLimit = *dstCharsPtr;
    }
................................................................................
				 * the conversion. */
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd, *srcClose;
    const char *dstStart, *dstEnd, *prefixBytes;
    Tcl_UniChar ch;
    int result, len, word, numChars;
    TableEncodingData *dataPtr = clientData;
    const unsigned short *const *fromUnicode;

    result = TCL_OK;

    prefixBytes = dataPtr->prefixBytes;
................................................................................
	     */

	    result = TCL_CONVERT_MULTIBYTE;
	    break;
	}
	len = TclUtfToUniChar(src, &ch);

#if TCL_UTF_MAX > 3
	/*
	 * This prevents a crash condition. More evaluation is required for
	 * full support of int Tcl_UniChar. [Bug 1004065]
	 */

	if (ch & 0xffff0000) {
	    word = 0;




	} else
#endif
	    word = fromUnicode[(ch >> 8)][ch & 0xff];

	if ((word == 0) && (ch != 0)) {
	    if (flags & TCL_ENCODING_STOPONERROR) {
		result = TCL_CONVERT_UNKNOWN;
................................................................................
    srcEnd = src + srcLen;

    dstStart = dst;
    dstEnd = dst + dstLen - TCL_UTF_MAX;

    result = TCL_OK;
    for (numChars = 0; src < srcEnd && numChars <= charLimit; numChars++) {
	Tcl_UniChar ch;

	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}
	ch = (Tcl_UniChar) *((unsigned char *) src);

................................................................................
	srcClose -= TCL_UTF_MAX;
    }

    dstStart = dst;
    dstEnd = dst + dstLen - 1;

    for (numChars = 0; src < srcEnd; numChars++) {
	Tcl_UniChar ch;
	int len;

	if ((src > srcClose) && (!Tcl_UtfCharComplete(src, srcEnd - src))) {
	    /*
	     * If there is more string to follow, this will ensure that the
	     * last UTF-8 character in the source buffer hasn't been cut off.
	     */
................................................................................
	}
	len = TclUtfToUniChar(src, &ch);

	/*
	 * Check for illegal characters.
	 */

	if (ch > 0xff) {




	    if (flags & TCL_ENCODING_STOPONERROR) {
		result = TCL_CONVERT_UNKNOWN;
		break;
	    }




	    /*
	     * Plunge on, using '?' as a fallback character.
	     */

	    ch = (Tcl_UniChar) '?';
	}
................................................................................
    tablePrefixBytes = tableDataPtr->prefixBytes;
    tableFromUnicode = (const unsigned short *const *)
	    tableDataPtr->fromUnicode;

    for (numChars = 0; src < srcEnd; numChars++) {
	unsigned len;
	int word;
	Tcl_UniChar ch;

	if ((src > srcClose) && (!Tcl_UtfCharComplete(src, srcEnd - src))) {
	    /*
	     * If there is more string to follow, this will ensure that the
	     * last UTF-8 character in the source buffer hasn't been cut off.
	     */

................................................................................

	    tablePrefixBytes = (const char *) tableDataPtr->prefixBytes;
	    tableFromUnicode = (const unsigned short *const *)
		    tableDataPtr->fromUnicode;

	    /*
	     * The state variable has the value of oldState when word is 0.
	     * In this case, the escape sequense should not be copied to dst
	     * because the current character set is not changed.
	     */

	    if (state != oldState) {
		subTablePtr = &dataPtr->subTables[state];
		if ((dst + subTablePtr->sequenceLen) > dstEnd) {
		    /*
................................................................................
		     */

		    state = oldState;
		    result = TCL_CONVERT_NOSPACE;
		    break;
		}
		memcpy(dst, subTablePtr->sequence,
			(size_t) subTablePtr->sequenceLen);
		dst += subTablePtr->sequenceLen;
	    }
	}

	if (tablePrefixBytes[(word >> 8)] != 0) {
	    if (dst + 1 > dstEnd) {
		result = TCL_CONVERT_NOSPACE;






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      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 192 ... 207 */
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 208 ... 223 */
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 224 ... 239 */
      0,  0,  0,  0,  0,  0,  0, 0, 0, 0, 0, 0, 0, 0, 0, 0, /* 240 ... 255 */
    };

    Tcl_DStringInit(&lineString);
    if (Tcl_Gets(chan, &lineString) < 0) {
	return NULL;
    }
    line = Tcl_DStringValue(&lineString);

    fallback = (int) strtol(line, &line, 16);
    symbol = (int) strtol(line, &line, 10);
    numPages = (int) strtol(line, &line, 10);
    Tcl_DStringFree(&lineString);

................................................................................
    pageMemPtr = (unsigned short *) (dataPtr->toUnicode + 256);

    TclNewObj(objPtr);
    Tcl_IncrRefCount(objPtr);
    for (i = 0; i < numPages; i++) {
	int ch;
	const char *p;
	int expected = 3 + 16 * (16 * 4 + 1);

	if (Tcl_ReadChars(chan, objPtr, expected, 0) != expected) {
	    return NULL;
	}
	p = Tcl_GetString(objPtr);
	hi = (staticHex[UCHAR(p[0])] << 4) + staticHex[UCHAR(p[1])];
	dataPtr->toUnicode[hi] = pageMemPtr;
	p += 2;
	for (lo = 0; lo < 256; lo++) {
	    if ((lo & 0x0f) == 0) {
		p++;
................................................................................
    int pureNullMode)		/* Convert embedded nulls from internal
				 * representation to real null-bytes or vice
				 * versa. */
{
    const char *srcStart, *srcEnd, *srcClose;
    const char *dstStart, *dstEnd;
    int result, numChars, charLimit = INT_MAX;
    Tcl_UniChar *chPtr = (Tcl_UniChar *) statePtr;

    if (flags & TCL_ENCODING_START) {
    	*statePtr = 0;
    }
    result = TCL_OK;

    srcStart = src;
    srcEnd = src + srcLen;
    srcClose = srcEnd;
    if ((flags & TCL_ENCODING_END) == 0) {
	srcClose -= TCL_UTF_MAX;
................................................................................
	}
	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}
	if (UCHAR(*src) < 0x80 && !(UCHAR(*src) == 0 && pureNullMode == 0)) {
	    /*
	     * Copy 7bit characters, but skip null-bytes when we are in input
	     * mode, so that they get converted to 0xc080.
	     */

	    *dst++ = *src++;
	} else if (pureNullMode == 1 && UCHAR(*src) == 0xc0 &&
		(src + 1 < srcEnd) && UCHAR(*(src+1)) == 0x80) {
	    /*
................................................................................
	     */

	    *dst++ = 0;
	    src += 2;
	} else if (!Tcl_UtfCharComplete(src, srcEnd - src)) {
	    /*
	     * Always check before using TclUtfToUniChar. Not doing can so
	     * cause it run beyond the end of the buffer! If we happen such an
	     * incomplete char its bytes are made to represent themselves.
	     */

	    *chPtr = (unsigned char) *src;
	    src += 1;
	    dst += Tcl_UniCharToUtf(*chPtr, dst);
	} else {
	    int len = TclUtfToUniChar(src, chPtr);
	    src += len;
	    dst += Tcl_UniCharToUtf(*chPtr, dst);
#if TCL_UTF_MAX == 4
	    if ((*chPtr >= 0xD800) && (len < 3)) {
		src += TclUtfToUniChar(src + len, chPtr);
		dst += Tcl_UniCharToUtf(*chPtr, dst);
	    }
#endif
	}
    }

    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
    return result;
................................................................................
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd;
    const char *dstEnd, *dstStart;
    int result, numChars, charLimit = INT_MAX;
    Tcl_UniChar *chPtr = (Tcl_UniChar *) statePtr;

    if (flags & TCL_ENCODING_START) {
    	*statePtr = 0;
    }
    if (flags & TCL_ENCODING_CHAR_LIMIT) {
	charLimit = *dstCharsPtr;
    }
    result = TCL_OK;
    if ((srcLen % sizeof(Tcl_UniChar)) != 0) {
	result = TCL_CONVERT_MULTIBYTE;
	srcLen /= sizeof(Tcl_UniChar);
................................................................................
	}

	/*
	 * Special case for 1-byte utf chars for speed. Make sure we work with
	 * Tcl_UniChar-size data.
	 */

	*chPtr = *(Tcl_UniChar *)src;
	if (*chPtr && *chPtr < 0x80) {
	    *dst++ = (*chPtr & 0xFF);
	} else {
	    dst += Tcl_UniCharToUtf(*chPtr, dst);
	}
	src += sizeof(Tcl_UniChar);
    }

    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
................................................................................
				 * the conversion. */
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd, *srcClose, *dstStart, *dstEnd;
    int result, numChars;
    Tcl_UniChar *chPtr = (Tcl_UniChar *) statePtr;

    if (flags & TCL_ENCODING_START) {
    	*statePtr = 0;
    }
    srcStart = src;
    srcEnd = src + srcLen;
    srcClose = srcEnd;
    if ((flags & TCL_ENCODING_END) == 0) {
	srcClose -= TCL_UTF_MAX;
    }

................................................................................
	    result = TCL_CONVERT_MULTIBYTE;
	    break;
	}
	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}
	src += TclUtfToUniChar(src, chPtr);

	/*
	 * Need to handle this in a way that won't cause misalignment by
	 * casting dst to a Tcl_UniChar. [Bug 1122671]
	 */

#ifdef WORDS_BIGENDIAN
#if TCL_UTF_MAX > 4
	*dst++ = (*chPtr >> 24);
	*dst++ = ((*chPtr >> 16) & 0xFF);
	*dst++ = ((*chPtr >> 8) & 0xFF);
	*dst++ = (*chPtr & 0xFF);
#else
	*dst++ = (*chPtr >> 8);
	*dst++ = (*chPtr & 0xFF);
#endif
#else
#if TCL_UTF_MAX > 4
	*dst++ = (*chPtr & 0xFF);
	*dst++ = ((*chPtr >> 8) & 0xFF);
	*dst++ = ((*chPtr >> 16) & 0xFF);
	*dst++ = (*chPtr >> 24);
#else
	*dst++ = (*chPtr & 0xFF);
	*dst++ = (*chPtr >> 8);
#endif
#endif
    }
    *srcReadPtr = src - srcStart;
    *dstWrotePtr = dst - dstStart;
    *dstCharsPtr = numChars;
    return result;
................................................................................
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd;
    const char *dstEnd, *dstStart, *prefixBytes;
    int result, byte, numChars, charLimit = INT_MAX;
    Tcl_UniChar ch = 0;
    const unsigned short *const *toUnicode;
    const unsigned short *pageZero;
    TableEncodingData *dataPtr = clientData;

    if (flags & TCL_ENCODING_CHAR_LIMIT) {
	charLimit = *dstCharsPtr;
    }
................................................................................
				 * the conversion. */
    int *dstCharsPtr)		/* Filled with the number of characters that
				 * correspond to the bytes stored in the
				 * output buffer. */
{
    const char *srcStart, *srcEnd, *srcClose;
    const char *dstStart, *dstEnd, *prefixBytes;
    Tcl_UniChar ch = 0;
    int result, len, word, numChars;
    TableEncodingData *dataPtr = clientData;
    const unsigned short *const *fromUnicode;

    result = TCL_OK;

    prefixBytes = dataPtr->prefixBytes;
................................................................................
	     */

	    result = TCL_CONVERT_MULTIBYTE;
	    break;
	}
	len = TclUtfToUniChar(src, &ch);

#if TCL_UTF_MAX > 4
	/*
	 * This prevents a crash condition. More evaluation is required for
	 * full support of int Tcl_UniChar. [Bug 1004065]
	 */

	if (ch & 0xffff0000) {
	    word = 0;
	} else
#elif TCL_UTF_MAX == 4
	if (!len) {
	    word = 0;
	} else
#endif
	    word = fromUnicode[(ch >> 8)][ch & 0xff];

	if ((word == 0) && (ch != 0)) {
	    if (flags & TCL_ENCODING_STOPONERROR) {
		result = TCL_CONVERT_UNKNOWN;
................................................................................
    srcEnd = src + srcLen;

    dstStart = dst;
    dstEnd = dst + dstLen - TCL_UTF_MAX;

    result = TCL_OK;
    for (numChars = 0; src < srcEnd && numChars <= charLimit; numChars++) {
	Tcl_UniChar ch = 0;

	if (dst > dstEnd) {
	    result = TCL_CONVERT_NOSPACE;
	    break;
	}
	ch = (Tcl_UniChar) *((unsigned char *) src);

................................................................................
	srcClose -= TCL_UTF_MAX;
    }

    dstStart = dst;
    dstEnd = dst + dstLen - 1;

    for (numChars = 0; src < srcEnd; numChars++) {
	Tcl_UniChar ch = 0;
	int len;

	if ((src > srcClose) && (!Tcl_UtfCharComplete(src, srcEnd - src))) {
	    /*
	     * If there is more string to follow, this will ensure that the
	     * last UTF-8 character in the source buffer hasn't been cut off.
	     */
................................................................................
	}
	len = TclUtfToUniChar(src, &ch);

	/*
	 * Check for illegal characters.
	 */

	if (ch > 0xff
#if TCL_UTF_MAX == 4
		|| ((ch >= 0xD800) && (len < 3))
#endif
		) {
	    if (flags & TCL_ENCODING_STOPONERROR) {
		result = TCL_CONVERT_UNKNOWN;
		break;
	    }
#if TCL_UTF_MAX == 4
	    if ((ch >= 0xD800) && (len < 3)) len = 4;
#endif

	    /*
	     * Plunge on, using '?' as a fallback character.
	     */

	    ch = (Tcl_UniChar) '?';
	}
................................................................................
    tablePrefixBytes = tableDataPtr->prefixBytes;
    tableFromUnicode = (const unsigned short *const *)
	    tableDataPtr->fromUnicode;

    for (numChars = 0; src < srcEnd; numChars++) {
	unsigned len;
	int word;
	Tcl_UniChar ch = 0;

	if ((src > srcClose) && (!Tcl_UtfCharComplete(src, srcEnd - src))) {
	    /*
	     * If there is more string to follow, this will ensure that the
	     * last UTF-8 character in the source buffer hasn't been cut off.
	     */

................................................................................

	    tablePrefixBytes = (const char *) tableDataPtr->prefixBytes;
	    tableFromUnicode = (const unsigned short *const *)
		    tableDataPtr->fromUnicode;

	    /*
	     * The state variable has the value of oldState when word is 0.
	     * In this case, the escape sequence should not be copied to dst
	     * because the current character set is not changed.
	     */

	    if (state != oldState) {
		subTablePtr = &dataPtr->subTables[state];
		if ((dst + subTablePtr->sequenceLen) > dstEnd) {
		    /*
................................................................................
		     */

		    state = oldState;
		    result = TCL_CONVERT_NOSPACE;
		    break;
		}
		memcpy(dst, subTablePtr->sequence,
			subTablePtr->sequenceLen);
		dst += subTablePtr->sequenceLen;
	    }
	}

	if (tablePrefixBytes[(word >> 8)] != 0) {
	    if (dst + 1 > dstEnd) {
		result = TCL_CONVERT_NOSPACE;

Changes to generic/tclEnsemble.c.

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2114


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2130
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2134

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2143
....
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2399




















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2518
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2523
2524




2525
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2530
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2533
2534






2535
2536
2537
2538

2539




2540




2541





2542
2543
2544
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2546






2547
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2556
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2582
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2635
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2637
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2639
2640
2641
2642
2643
2644
2645
2646
2647
2648
TclNamespaceEnsembleCmd(
    ClientData dummy,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Namespace *namespacePtr;
    Namespace *nsPtr = (Namespace *) TclGetCurrentNamespace(interp);

    Tcl_Command token;
    Tcl_DictSearch search;
    Tcl_Obj *listObj;

    int index, done;

    if (nsPtr == NULL || nsPtr->flags & NS_DYING) {
	if (!Tcl_InterpDeleted(interp)) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "tried to manipulate ensemble of deleted namespace",
		    -1));
................................................................................
	if (objc & 1) {
	    Tcl_WrongNumArgs(interp, 2, objv, "?option value ...?");
	    return TCL_ERROR;
	}
	objv += 2;
	objc -= 2;

	/*
	 * Work out what name to use for the command to create. If supplied,
	 * it is either fully specified or relative to the current namespace.
	 * If not supplied, it is exactly the name of the current namespace.
	 */

	name = nsPtr->fullName;


	/*
	 * Parse the option list, applying type checks as we go. Note that we
	 * are not incrementing any reference counts in the objects at this
	 * stage, so the presence of an option multiple times won't cause any
	 * memory leaks.
	 */
................................................................................
		    Tcl_DecrRefCount(mapObj);
		}
		return TCL_ERROR;
	    }
	    switch ((enum EnsCreateOpts) index) {
	    case CRT_CMD:
		name = TclGetString(objv[1]);

		continue;
	    case CRT_SUBCMDS:
		if (TclListObjLength(interp, objv[1], &len) != TCL_OK) {
		    if (allocatedMapFlag) {
			Tcl_DecrRefCount(mapObj);
		    }
		    return TCL_ERROR;
................................................................................
		    return TCL_ERROR;
		}
		unknownObj = (len > 0 ? objv[1] : NULL);
		continue;
	    }
	}





	/*
	 * Create the ensemble. Note that this might delete another ensemble
	 * linked to the same namespace, so we must be careful. However, we
	 * should be OK because we only link the namespace into the list once
	 * we've created it (and after any deletions have occurred.)
	 */

	token = Tcl_CreateEnsemble(interp, name, NULL,

		(permitPrefix ? TCL_ENSEMBLE_PREFIX : 0));
	Tcl_SetEnsembleSubcommandList(interp, token, subcmdObj);
	Tcl_SetEnsembleMappingDict(interp, token, mapObj);
	Tcl_SetEnsembleUnknownHandler(interp, token, unknownObj);
	Tcl_SetEnsembleParameterList(interp, token, paramObj);

	/*
	 * Tricky! Must ensure that the result is not shared (command delete
................................................................................
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_CreateEnsemble --
 *
 *	Create a simple ensemble attached to the given namespace.
 *
 * Results:
 *	The token for the command created.
 *
 * Side effects:
 *	The ensemble is created and marked for compilation.
 *
 *----------------------------------------------------------------------
 */

Tcl_Command
Tcl_CreateEnsemble(
    Tcl_Interp *interp,
    const char *name,
    Tcl_Namespace *namespacePtr,
    int flags)
{
    Namespace *nsPtr = (Namespace *) namespacePtr;
    EnsembleConfig *ensemblePtr = ckalloc(sizeof(EnsembleConfig));
    Tcl_Obj *nameObj = NULL;

    if (nsPtr == NULL) {
	nsPtr = (Namespace *) TclGetCurrentNamespace(interp);
    }

    /*
     * Make the name of the ensemble into a fully qualified name. This might
     * allocate a temporary object.
     */

    if (!(name[0] == ':' && name[1] == ':')) {
	nameObj = NewNsObj((Tcl_Namespace *) nsPtr);
	if (nsPtr->parentPtr == NULL) {
	    Tcl_AppendStringsToObj(nameObj, name, NULL);
	} else {
	    Tcl_AppendStringsToObj(nameObj, "::", name, NULL);
	}
	Tcl_IncrRefCount(nameObj);
	name = TclGetString(nameObj);
    }

    ensemblePtr->nsPtr = nsPtr;
    ensemblePtr->epoch = 0;
    Tcl_InitHashTable(&ensemblePtr->subcommandTable, TCL_STRING_KEYS);
    ensemblePtr->subcommandArrayPtr = NULL;
    ensemblePtr->subcmdList = NULL;
    ensemblePtr->subcommandDict = NULL;
    ensemblePtr->flags = flags;
    ensemblePtr->numParameters = 0;
    ensemblePtr->parameterList = NULL;
    ensemblePtr->unknownHandler = NULL;
    ensemblePtr->token = Tcl_NRCreateCommand(interp, name,
	    NsEnsembleImplementationCmd, NsEnsembleImplementationCmdNR,
	    ensemblePtr, DeleteEnsembleConfig);
    ensemblePtr->next = (EnsembleConfig *) nsPtr->ensembles;
    nsPtr->ensembles = (Tcl_Ensemble *) ensemblePtr;

    /*
     * Trigger an eventual recomputation of the ensemble command set. Note
     * that this is slightly tricky, as it means that we are not actually
     * counting the number of namespace export actions, but it is the simplest
................................................................................

    nsPtr->exportLookupEpoch++;

    if (flags & ENSEMBLE_COMPILE) {
	((Command *) ensemblePtr->token)->compileProc = TclCompileEnsemble;
    }

    if (nameObj != NULL) {
	TclDecrRefCount(nameObj);
    }
    return ensemblePtr->token;
}











































 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_SetEnsembleSubcommandList --
 *
 *	Set the subcommand list for a particular ensemble.
................................................................................

	/*
	 * Hand off to the target command.
	 */

	TclSkipTailcall(interp);
	Tcl_ListObjGetElements(NULL, copyPtr, &copyObjc, &copyObjv);

	return TclNREvalObjv(interp, copyObjc, copyObjv, TCL_EVAL_INVOKE, NULL);
    }

  unknownOrAmbiguousSubcommand:
    /*
     * Have not been able to match the subcommand asked for with a real
     * subcommand that we export. See whether a handler has been registered
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclSpellFix --
 *
 *	Record a spelling correction that needs making in the
 *	generation of the WrongNumArgs usage message.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Can create an alternative ensemble rewrite structure.
 *
................................................................................

static int
FreeER(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    Tcl_Obj **tmp = (Tcl_Obj **)data[0];


    ckfree(tmp[2]);
    ckfree(tmp);
    return result;
}

void
TclSpellFix(
    Tcl_Interp *interp,
................................................................................

    if (iPtr->ensembleRewrite.sourceObjs == NULL) {
	iPtr->ensembleRewrite.sourceObjs = objv;
	iPtr->ensembleRewrite.numRemovedObjs = 0;
	iPtr->ensembleRewrite.numInsertedObjs = 0;
    }


    /* Compute the valid length of the ensemble root */


    size = iPtr->ensembleRewrite.numRemovedObjs + objc
		- iPtr->ensembleRewrite.numInsertedObjs;

    search = iPtr->ensembleRewrite.sourceObjs;
    if (search[0] == NULL) {

	/* Awful casting abuse here */


	search = (Tcl_Obj *const *) search[1];
    }

    if (badIdx < iPtr->ensembleRewrite.numInsertedObjs) {
	/*
	 * Misspelled value was inserted. We cannot directly jump
	 * to the bad value, but have to search.
	 */

	idx = 1;
	while (idx < size) {
	    if (search[idx] == bad) {
		break;
	    }
	    idx++;
	}
	if (idx == size) {
	    return;
	}
    } else {

	/* Jump to the misspelled value. */


	idx = iPtr->ensembleRewrite.numRemovedObjs + badIdx
		- iPtr->ensembleRewrite.numInsertedObjs;

	/* Verify */
	if (search[idx] != bad) {
	    Tcl_Panic("SpellFix: programming error");
	}
    }

    search = iPtr->ensembleRewrite.sourceObjs;
    if (search[0] == NULL) {
	store = (Tcl_Obj **)search[2];
    }  else {
	Tcl_Obj **tmp = ckalloc(3 * sizeof(Tcl_Obj *));
	tmp[0] = NULL;


	tmp[1] = (Tcl_Obj *)iPtr->ensembleRewrite.sourceObjs;
	tmp[2] = (Tcl_Obj *)ckalloc(size * sizeof(Tcl_Obj *));
	memcpy(tmp[2], tmp[1], size*sizeof(Tcl_Obj *));










	iPtr->ensembleRewrite.sourceObjs = (Tcl_Obj *const *) tmp;

	TclNRAddCallback(interp, FreeER, tmp, NULL, NULL, NULL);
	store = (Tcl_Obj **)tmp[2];
    }

    store[idx] = fix;
    Tcl_IncrRefCount(fix);
    TclNRAddCallback(interp, TclNRReleaseValues, fix, NULL, NULL, NULL);
}
 
................................................................................
 *	None.
 *
 * Side effects:
 *	Memory is (eventually) deallocated.
 *
 *----------------------------------------------------------------------
 */





















static void
DeleteEnsembleConfig(
    ClientData clientData)
{
    EnsembleConfig *ensemblePtr = clientData;
    Namespace *nsPtr = ensemblePtr->nsPtr;
    Tcl_HashSearch search;
    Tcl_HashEntry *hEnt;

    /*
     * Unlink from the ensemble chain if it has not been marked as having been
     * done already.
     */

    if (ensemblePtr->next != ensemblePtr) {
................................................................................

    ensemblePtr->flags |= ENSEMBLE_DEAD;

    /*
     * Kill the pointer-containing fields.
     */

    if (ensemblePtr->subcommandTable.numEntries != 0) {
	ckfree(ensemblePtr->subcommandArrayPtr);
    }
    hEnt = Tcl_FirstHashEntry(&ensemblePtr->subcommandTable, &search);
    while (hEnt != NULL) {
	Tcl_Obj *prefixObj = Tcl_GetHashValue(hEnt);

	Tcl_DecrRefCount(prefixObj);
	hEnt = Tcl_NextHashEntry(&search);
    }
    Tcl_DeleteHashTable(&ensemblePtr->subcommandTable);
    if (ensemblePtr->subcmdList != NULL) {
	Tcl_DecrRefCount(ensemblePtr->subcmdList);
    }
    if (ensemblePtr->parameterList != NULL) {
	Tcl_DecrRefCount(ensemblePtr->parameterList);
    }
    if (ensemblePtr->subcommandDict != NULL) {
................................................................................
 
/*
 *----------------------------------------------------------------------
 *
 * BuildEnsembleConfig --
 *
 *	Create the internal data structures that describe how an ensemble
 *	looks, being a hash mapping from the full command name to the Tcl list
 *	that describes the implementation prefix words, and a sorted array of
 *	all the full command names to allow for reasonably efficient
 *	unambiguous prefix handling.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Reallocates and rebuilds the hash table and array stored at the
 *	ensemblePtr argument. For large ensembles or large namespaces, this is
................................................................................
{
    Tcl_HashSearch search;	/* Used for scanning the set of commands in
				 * the namespace that backs up this
				 * ensemble. */
    int i, j, isNew;
    Tcl_HashTable *hash = &ensemblePtr->subcommandTable;
    Tcl_HashEntry *hPtr;

    if (hash->numEntries != 0) {
	/*
	 * Remove pre-existing table.
	 */

	ckfree(ensemblePtr->subcommandArrayPtr);
	hPtr = Tcl_FirstHashEntry(hash, &search);
	while (hPtr != NULL) {
	    Tcl_Obj *prefixObj = Tcl_GetHashValue(hPtr);


	    Tcl_DecrRefCount(prefixObj);
	    hPtr = Tcl_NextHashEntry(&search);
	}
	Tcl_DeleteHashTable(hash);

	Tcl_InitHashTable(hash, TCL_STRING_KEYS);
    }





    /*
     * See if we've got an export list. If so, we will only export exactly
     * those commands, which may be either implemented by the prefix in the
     * subcommandDict or mapped directly onto the namespace's commands.


     */

    if (ensemblePtr->subcmdList != NULL) {
	Tcl_Obj **subcmdv, *target, *cmdObj, *cmdPrefixObj;
	int subcmdc;







	TclListObjGetElements(NULL, ensemblePtr->subcmdList, &subcmdc,
		&subcmdv);
	for (i=0 ; i<subcmdc ; i++) {

	    const char *name = TclGetString(subcmdv[i]);









	    hPtr = Tcl_CreateHashEntry(hash, name, &isNew);






	    /*
	     * Skip non-unique cases.
	     */







	    if (!isNew) {
		continue;
	    }

	    /*
	     * Look in our dictionary (if present) for the command.
	     */

	    if (ensemblePtr->subcommandDict != NULL) {


		Tcl_DictObjGet(NULL, ensemblePtr->subcommandDict, subcmdv[i],
			&target);
		if (target != NULL) {
		    Tcl_SetHashValue(hPtr, target);
		    Tcl_IncrRefCount(target);
		    continue;
		}
	    }

	    /*

	     * Not there, so map onto the namespace. Note in this case that we
	     * do not guarantee that the command is actually there; that is
	     * the programmer's responsibility (or [::unknown] of course).
	     */

	    cmdObj = NewNsObj((Tcl_Namespace *) ensemblePtr->nsPtr);
	    if (ensemblePtr->nsPtr->parentPtr != NULL) {
		Tcl_AppendStringsToObj(cmdObj, "::", name, NULL);
	    } else {
		Tcl_AppendStringsToObj(cmdObj, name, NULL);
	    }

	    cmdPrefixObj = Tcl_NewListObj(1, &cmdObj);
	    Tcl_SetHashValue(hPtr, cmdPrefixObj);
	    Tcl_IncrRefCount(cmdPrefixObj);
	}
    } else if (ensemblePtr->subcommandDict != NULL) {


	/*
	 * No subcmd list, but we do have a mapping dictionary so we should
	 * use the keys of that. Convert the dictionary's contents into the
	 * form required for the ensemble's internal hashtable.
	 */

	Tcl_DictSearch dictSearch;
	Tcl_Obj *keyObj, *valueObj;
	int done;

	Tcl_DictObjFirst(NULL, ensemblePtr->subcommandDict, &dictSearch,
		&keyObj, &valueObj, &done);
	while (!done) {
	    const char *name = TclGetString(keyObj);

	    hPtr = Tcl_CreateHashEntry(hash, name, &isNew);
	    Tcl_SetHashValue(hPtr, valueObj);
	    Tcl_IncrRefCount(valueObj);
	    Tcl_DictObjNext(&dictSearch, &keyObj, &valueObj, &done);
	}
    } else {
	/*
	 * Discover what commands are actually exported by the namespace.
	 * What we have is an array of patterns and a hash table whose keys
	 * are the command names exported by the namespace (the contents do
	 * not matter here.) We must find out what commands are actually
	 * exported by filtering each command in the namespace against each of
................................................................................
		     * substituted part of the command (as a list) as their
		     * content!
		     */

		    if (isNew) {
			Tcl_Obj *cmdObj, *cmdPrefixObj;

			TclNewObj(cmdObj);
			Tcl_AppendStringsToObj(cmdObj,
				ensemblePtr->nsPtr->fullName,
				(ensemblePtr->nsPtr->parentPtr ? "::" : ""),
				nsCmdName, NULL);
			cmdPrefixObj = Tcl_NewListObj(1, &cmdObj);
			Tcl_SetHashValue(hPtr, cmdPrefixObj);
			Tcl_IncrRefCount(cmdPrefixObj);
		    }
		    break;
		}
	    }






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TclNamespaceEnsembleCmd(
    ClientData dummy,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const objv[])
{
    Tcl_Namespace *namespacePtr;
    Namespace *nsPtr = (Namespace *) TclGetCurrentNamespace(interp), *cxtPtr,
    	*foundNsPtr, *altFoundNsPtr, *actualCxtPtr;
    Tcl_Command token;
    Tcl_DictSearch search;
    Tcl_Obj *listObj;
    const char *simpleName;
    int index, done;

    if (nsPtr == NULL || nsPtr->flags & NS_DYING) {
	if (!Tcl_InterpDeleted(interp)) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "tried to manipulate ensemble of deleted namespace",
		    -1));
................................................................................
	if (objc & 1) {
	    Tcl_WrongNumArgs(interp, 2, objv, "?option value ...?");
	    return TCL_ERROR;
	}
	objv += 2;
	objc -= 2;







	name = nsPtr->name;
	cxtPtr = (Namespace *) nsPtr->parentPtr;

	/*
	 * Parse the option list, applying type checks as we go. Note that we
	 * are not incrementing any reference counts in the objects at this
	 * stage, so the presence of an option multiple times won't cause any
	 * memory leaks.
	 */
................................................................................
		    Tcl_DecrRefCount(mapObj);
		}
		return TCL_ERROR;
	    }
	    switch ((enum EnsCreateOpts) index) {
	    case CRT_CMD:
		name = TclGetString(objv[1]);
		cxtPtr = nsPtr;
		continue;
	    case CRT_SUBCMDS:
		if (TclListObjLength(interp, objv[1], &len) != TCL_OK) {
		    if (allocatedMapFlag) {
			Tcl_DecrRefCount(mapObj);
		    }
		    return TCL_ERROR;
................................................................................
		    return TCL_ERROR;
		}
		unknownObj = (len > 0 ? objv[1] : NULL);
		continue;
	    }
	}

	TclGetNamespaceForQualName(interp, name, cxtPtr,
	TCL_CREATE_NS_IF_UNKNOWN, &foundNsPtr, &altFoundNsPtr, &actualCxtPtr,
	&simpleName);

	/*
	 * Create the ensemble. Note that this might delete another ensemble
	 * linked to the same namespace, so we must be careful. However, we
	 * should be OK because we only link the namespace into the list once
	 * we've created it (and after any deletions have occurred.)
	 */

	token = TclCreateEnsembleInNs(interp, simpleName,
	     (Tcl_Namespace *) foundNsPtr, (Tcl_Namespace *) nsPtr,
	     (permitPrefix ? TCL_ENSEMBLE_PREFIX : 0));
	Tcl_SetEnsembleSubcommandList(interp, token, subcmdObj);
	Tcl_SetEnsembleMappingDict(interp, token, mapObj);
	Tcl_SetEnsembleUnknownHandler(interp, token, unknownObj);
	Tcl_SetEnsembleParameterList(interp, token, paramObj);

	/*
	 * Tricky! Must ensure that the result is not shared (command delete
................................................................................
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclCreateEnsembleInNs --
 *
 *	Like Tcl_CreateEnsemble, but additionally accepts as an argument the
 *	name of the namespace to create the command in.
 *
 *----------------------------------------------------------------------
 */

Tcl_Command
TclCreateEnsembleInNs(
    Tcl_Interp *interp, 
			
    const char *name,   /* Simple name of command to create (no */
			/* namespace components). */
    Tcl_Namespace       /* Name of namespace to create the command in. */ 
    *nameNsPtr,	
    Tcl_Namespace
    *ensembleNsPtr,	/* Name of the namespace for the ensemble. */
    int flags
    )
{
    Namespace *nsPtr = (Namespace *) ensembleNsPtr;
    EnsembleConfig *ensemblePtr;
    Tcl_Command token;

    ensemblePtr = ckalloc(sizeof(EnsembleConfig));
    token = TclNRCreateCommandInNs(interp, name,
	(Tcl_Namespace *) nameNsPtr, NsEnsembleImplementationCmd,
	NsEnsembleImplementationCmdNR, ensemblePtr, DeleteEnsembleConfig);
    if (token == NULL) {
	ckfree(ensemblePtr);
	return NULL;










    }

    ensemblePtr->nsPtr = nsPtr;
    ensemblePtr->epoch = 0;
    Tcl_InitHashTable(&ensemblePtr->subcommandTable, TCL_STRING_KEYS);
    ensemblePtr->subcommandArrayPtr = NULL;
    ensemblePtr->subcmdList = NULL;
    ensemblePtr->subcommandDict = NULL;
    ensemblePtr->flags = flags;
    ensemblePtr->numParameters = 0;
    ensemblePtr->parameterList = NULL;
    ensemblePtr->unknownHandler = NULL;
    ensemblePtr->token = token;


    ensemblePtr->next = (EnsembleConfig *) nsPtr->ensembles;
    nsPtr->ensembles = (Tcl_Ensemble *) ensemblePtr;

    /*
     * Trigger an eventual recomputation of the ensemble command set. Note
     * that this is slightly tricky, as it means that we are not actually
     * counting the number of namespace export actions, but it is the simplest
................................................................................

    nsPtr->exportLookupEpoch++;

    if (flags & ENSEMBLE_COMPILE) {
	((Command *) ensemblePtr->token)->compileProc = TclCompileEnsemble;
    }

    return ensemblePtr->token;



}


/*
 *----------------------------------------------------------------------
 *
 * Tcl_CreateEnsemble
 *
 *	Create a simple ensemble attached to the given namespace.
 *
 *	Deprecated by TclCreateEnsembleInNs.
 *
 * Value
 *
 *	The token for the command created.
 *
 * Effect
 *	The ensemble is created and marked for compilation.
 *
 *
 *----------------------------------------------------------------------
 */

Tcl_Command
Tcl_CreateEnsemble(
    Tcl_Interp *interp,
    const char *name,
    Tcl_Namespace *namespacePtr,
    int flags)
{
    Namespace *nsPtr = (Namespace *)namespacePtr, *foundNsPtr, *altNsPtr,
    	*actualNsPtr;
    const char * simpleName;

    if (nsPtr == NULL) {
	nsPtr = (Namespace *) TclGetCurrentNamespace(interp);
    }

    TclGetNamespaceForQualName(interp, name, nsPtr, TCL_CREATE_NS_IF_UNKNOWN,
    	&foundNsPtr, &altNsPtr, &actualNsPtr, &simpleName);
    return TclCreateEnsembleInNs(interp, simpleName,
	(Tcl_Namespace *) foundNsPtr, (Tcl_Namespace *) nsPtr, flags);
}

 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_SetEnsembleSubcommandList --
 *
 *	Set the subcommand list for a particular ensemble.
................................................................................

	/*
	 * Hand off to the target command.
	 */

	TclSkipTailcall(interp);
	Tcl_ListObjGetElements(NULL, copyPtr, &copyObjc, &copyObjv);
	((Interp *)interp)->lookupNsPtr = ensemblePtr->nsPtr;
	return TclNREvalObjv(interp, copyObjc, copyObjv, TCL_EVAL_INVOKE, NULL);
    }

  unknownOrAmbiguousSubcommand:
    /*
     * Have not been able to match the subcommand asked for with a real
     * subcommand that we export. See whether a handler has been registered
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclSpellFix --
 *
 *	Record a spelling correction that needs making in the generation of
 *	the WrongNumArgs usage message.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Can create an alternative ensemble rewrite structure.
 *
................................................................................

static int
FreeER(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    Tcl_Obj **tmp = (Tcl_Obj **) data[0];
    Tcl_Obj **store = (Tcl_Obj **) data[1];

    ckfree(store);
    ckfree(tmp);
    return result;
}

void
TclSpellFix(
    Tcl_Interp *interp,
................................................................................

    if (iPtr->ensembleRewrite.sourceObjs == NULL) {
	iPtr->ensembleRewrite.sourceObjs = objv;
	iPtr->ensembleRewrite.numRemovedObjs = 0;
	iPtr->ensembleRewrite.numInsertedObjs = 0;
    }

    /*
     * Compute the valid length of the ensemble root.
     */

    size = iPtr->ensembleRewrite.numRemovedObjs + objc
		- iPtr->ensembleRewrite.numInsertedObjs;

    search = iPtr->ensembleRewrite.sourceObjs;
    if (search[0] == NULL) {
	/*
	 * Awful casting abuse here!
	 */

	search = (Tcl_Obj *const *) search[1];
    }

    if (badIdx < iPtr->ensembleRewrite.numInsertedObjs) {
	/*
	 * Misspelled value was inserted. We cannot directly jump to the bad
	 * value, but have to search.
	 */

	idx = 1;
	while (idx < size) {
	    if (search[idx] == bad) {
		break;
	    }
	    idx++;
	}
	if (idx == size) {
	    return;
	}
    } else {
	/*
	 * Jump to the misspelled value.
	 */

	idx = iPtr->ensembleRewrite.numRemovedObjs + badIdx
		- iPtr->ensembleRewrite.numInsertedObjs;

	/* Verify */
	if (search[idx] != bad) {
	    Tcl_Panic("SpellFix: programming error");
	}
    }

    search = iPtr->ensembleRewrite.sourceObjs;
    if (search[0] == NULL) {
	store = (Tcl_Obj **) search[2];
    }  else {
	Tcl_Obj **tmp = ckalloc(3 * sizeof(Tcl_Obj *));


	store = ckalloc(size * sizeof(Tcl_Obj *));
	memcpy(store, iPtr->ensembleRewrite.sourceObjs,
		size * sizeof(Tcl_Obj *));


	/*
	 * Awful casting abuse here! Note that the NULL in the first element
	 * indicates that the initial objects are a raw array in the second
	 * element and the rewritten ones are a raw array in the third.
	 */

	tmp[0] = NULL;
	tmp[1] = (Tcl_Obj *) iPtr->ensembleRewrite.sourceObjs;
	tmp[2] = (Tcl_Obj *) store;
	iPtr->ensembleRewrite.sourceObjs = (Tcl_Obj *const *) tmp;

	TclNRAddCallback(interp, FreeER, tmp, store, NULL, NULL);

    }

    store[idx] = fix;
    Tcl_IncrRefCount(fix);
    TclNRAddCallback(interp, TclNRReleaseValues, fix, NULL, NULL, NULL);
}
 
................................................................................
 *	None.
 *
 * Side effects:
 *	Memory is (eventually) deallocated.
 *
 *----------------------------------------------------------------------
 */

static void
ClearTable(
    EnsembleConfig *ensemblePtr)
{
    Tcl_HashTable *hash = &ensemblePtr->subcommandTable;

    if (hash->numEntries != 0) {
        Tcl_HashSearch search;
        Tcl_HashEntry *hPtr = Tcl_FirstHashEntry(hash, &search);

        while (hPtr != NULL) {
            Tcl_Obj *prefixObj = Tcl_GetHashValue(hPtr);
            Tcl_DecrRefCount(prefixObj);
            hPtr = Tcl_NextHashEntry(&search);
        }
        ckfree((char *) ensemblePtr->subcommandArrayPtr);
    }
    Tcl_DeleteHashTable(hash);
}

static void
DeleteEnsembleConfig(
    ClientData clientData)
{
    EnsembleConfig *ensemblePtr = clientData;
    Namespace *nsPtr = ensemblePtr->nsPtr;



    /*
     * Unlink from the ensemble chain if it has not been marked as having been
     * done already.
     */

    if (ensemblePtr->next != ensemblePtr) {
................................................................................

    ensemblePtr->flags |= ENSEMBLE_DEAD;

    /*
     * Kill the pointer-containing fields.
     */


    ClearTable(ensemblePtr);









    if (ensemblePtr->subcmdList != NULL) {
	Tcl_DecrRefCount(ensemblePtr->subcmdList);
    }
    if (ensemblePtr->parameterList != NULL) {
	Tcl_DecrRefCount(ensemblePtr->parameterList);
    }
    if (ensemblePtr->subcommandDict != NULL) {
................................................................................
 
/*
 *----------------------------------------------------------------------
 *
 * BuildEnsembleConfig --
 *
 *	Create the internal data structures that describe how an ensemble
 *	looks, being a hash mapping from the simple command name to the Tcl list
 *	that describes the implementation prefix words, and a sorted array of
 *	the names to allow for reasonably efficient unambiguous prefix handling.

 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Reallocates and rebuilds the hash table and array stored at the
 *	ensemblePtr argument. For large ensembles or large namespaces, this is
................................................................................
{
    Tcl_HashSearch search;	/* Used for scanning the set of commands in
				 * the namespace that backs up this
				 * ensemble. */
    int i, j, isNew;
    Tcl_HashTable *hash = &ensemblePtr->subcommandTable;
    Tcl_HashEntry *hPtr;






    Tcl_Obj *mapDict = ensemblePtr->subcommandDict;



    Tcl_Obj *subList = ensemblePtr->subcmdList;





    ClearTable(ensemblePtr);
    Tcl_InitHashTable(hash, TCL_STRING_KEYS);

    if (subList) {
        int subc;
        Tcl_Obj **subv, *target, *cmdObj, *cmdPrefixObj;
        char *name;

        /*



         * There is a list of exactly what subcommands go in the table.
         * Must determine the target for each.
         */




        Tcl_ListObjGetElements(NULL, subList, &subc, &subv);
        if (subList == mapDict) {
            /*
             * Strange case where explicit list of subcommands is same value
             * as the dict mapping to targets.
             */




            for (i = 0; i < subc; i += 2) {
                name = TclGetString(subv[i]);
                hPtr = Tcl_CreateHashEntry(hash, name, &isNew);
                if (!isNew) {
                    cmdObj = (Tcl_Obj *)Tcl_GetHashValue(hPtr);
                    Tcl_DecrRefCount(cmdObj);
                }
                Tcl_SetHashValue(hPtr, subv[i+1]);
                Tcl_IncrRefCount(subv[i+1]);

                name = TclGetString(subv[i+1]);
                hPtr = Tcl_CreateHashEntry(hash, name, &isNew);
                if (isNew) {
                    cmdObj = Tcl_NewStringObj(name, -1);
                    cmdPrefixObj = Tcl_NewListObj(1, &cmdObj);
                    Tcl_SetHashValue(hPtr, cmdPrefixObj);
                    Tcl_IncrRefCount(cmdPrefixObj);
                }



            }
        } else {
            /* Usual case where we can freely act on the list and dict. */

            for (i = 0; i < subc; i++) {
                name = TclGetString(subv[i]);
                hPtr = Tcl_CreateHashEntry(hash, name, &isNew);
                if (!isNew) {
                    continue;
                }






                /* Lookup target in the dictionary */
                if (mapDict) {
                    Tcl_DictObjGet(NULL, mapDict, subv[i], &target);
                    if (target) {

                        Tcl_SetHashValue(hPtr, target);
                        Tcl_IncrRefCount(target);
                        continue;
                    }
                }

                /*
                 * target was not in the dictionary so map onto the namespace.
                 * Note in this case that we do not guarantee that the
                 * command is actually there; that is the programmer's
                 * responsibility (or [::unknown] of course).
                 */







                cmdObj = Tcl_NewStringObj(name, -1);
                cmdPrefixObj = Tcl_NewListObj(1, &cmdObj);
                Tcl_SetHashValue(hPtr, cmdPrefixObj);
                Tcl_IncrRefCount(cmdPrefixObj);
            }

        }
    } else if (mapDict) {
        /*
         * No subcmd list, but we do have a mapping dictionary so we should
         * use the keys of that. Convert the dictionary's contents into the
         * form required for the ensemble's internal hashtable.
         */

        Tcl_DictSearch dictSearch;
        Tcl_Obj *keyObj, *valueObj;
        int done;

        Tcl_DictObjFirst(NULL, ensemblePtr->subcommandDict, &dictSearch,
                &keyObj, &valueObj, &done);
        while (!done) {
            char *name = TclGetString(keyObj);

            hPtr = Tcl_CreateHashEntry(hash, name, &isNew);
            Tcl_SetHashValue(hPtr, valueObj);
            Tcl_IncrRefCount(valueObj);
            Tcl_DictObjNext(&dictSearch, &keyObj, &valueObj, &done);
        }
    } else {
	/*
	 * Discover what commands are actually exported by the namespace.
	 * What we have is an array of patterns and a hash table whose keys
	 * are the command names exported by the namespace (the contents do
	 * not matter here.) We must find out what commands are actually
	 * exported by filtering each command in the namespace against each of
................................................................................
		     * substituted part of the command (as a list) as their
		     * content!
		     */

		    if (isNew) {
			Tcl_Obj *cmdObj, *cmdPrefixObj;





			cmdObj = Tcl_NewStringObj(nsCmdName, -1);
			cmdPrefixObj = Tcl_NewListObj(1, &cmdObj);
			Tcl_SetHashValue(hPtr, cmdPrefixObj);
			Tcl_IncrRefCount(cmdPrefixObj);
		    }
		    break;
		}
	    }

Changes to generic/tclEnv.c.

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	    if (p2 == NULL) {
		/*
		 * This condition seem to happen occasionally under some
		 * versions of Solaris, or when encoding accidents swallow the
		 * '='; ignore the entry.
		 */


		continue;
	    }
	    p2++;
	    p2[-1] = '\0';












	    obj1 = Tcl_NewStringObj(p1, -1);
	    obj2 = Tcl_NewStringObj(p2, -1);
	    Tcl_DStringFree(&envString);

	    Tcl_IncrRefCount(obj1);
	    Tcl_IncrRefCount(obj2);
	    Tcl_ObjSetVar2(interp, varNamePtr, obj1, obj2, TCL_GLOBAL_ONLY);
................................................................................
TclFinalizeEnvironment(void)
{
    /*
     * For now we just deallocate the cache array and none of the environment
     * strings. This may leak more memory that strictly necessary, since some
     * of the strings may no longer be in the environment. However,
     * determining which ones are ok to delete is n-squared, and is pretty
     * unlikely, so we don't bother.

     */

    if (env.cache) {






	ckfree(env.cache);
	env.cache = NULL;
	env.cacheSize = 0;
#ifndef USE_PUTENV




	env.ourEnvironSize = 0;
#endif
    }
}
 
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */






>




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	    if (p2 == NULL) {
		/*
		 * This condition seem to happen occasionally under some
		 * versions of Solaris, or when encoding accidents swallow the
		 * '='; ignore the entry.
		 */

		Tcl_DStringFree(&envString);
		continue;
	    }
	    p2++;
	    p2[-1] = '\0';
#if defined(_WIN32)
	    /*
	     * Enforce PATH and COMSPEC to be all uppercase. This eliminates
	     * additional trace logic otherwise required in init.tcl.
	     */

	    if (strcasecmp(p1, "PATH") == 0) {
		p1 = "PATH";
	    } else if (strcasecmp(p1, "COMSPEC") == 0) {
		p1 = "COMSPEC";
	    }
#endif
	    obj1 = Tcl_NewStringObj(p1, -1);
	    obj2 = Tcl_NewStringObj(p2, -1);
	    Tcl_DStringFree(&envString);

	    Tcl_IncrRefCount(obj1);
	    Tcl_IncrRefCount(obj2);
	    Tcl_ObjSetVar2(interp, varNamePtr, obj1, obj2, TCL_GLOBAL_ONLY);
................................................................................
TclFinalizeEnvironment(void)
{
    /*
     * For now we just deallocate the cache array and none of the environment
     * strings. This may leak more memory that strictly necessary, since some
     * of the strings may no longer be in the environment. However,
     * determining which ones are ok to delete is n-squared, and is pretty
     * unlikely, so we don't bother.  However, in the case of DPURIFY, just
     * free all strings in the cache.
     */

    if (env.cache) {
#ifdef PURIFY
	int i;
	for (i = 0; i < env.cacheSize; i++) {
	    ckfree(env.cache[i]);
	}
#endif
	ckfree(env.cache);
	env.cache = NULL;
	env.cacheSize = 0;
#ifndef USE_PUTENV
	if ((env.ourEnviron != NULL)) {
	    ckfree(env.ourEnviron);
	    env.ourEnviron = NULL;
	}
	env.ourEnvironSize = 0;
#endif
    }
}
 
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

Changes to generic/tclExecute.c.

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void *
TclStackAlloc(
    Tcl_Interp *interp,
    int numBytes)
{
    Interp *iPtr = (Interp *) interp;
    int numWords = (numBytes + (sizeof(Tcl_Obj *) - 1))/sizeof(Tcl_Obj *);

    if (iPtr == NULL || iPtr->execEnvPtr == NULL) {
	return (void *) ckalloc(numBytes);
    }

    return (void *) StackAllocWords(interp, numWords);
}

void *
TclStackRealloc(
    Tcl_Interp *interp,
    void *ptr,
................................................................................
 *
 * Side effects:
 *	Almost certainly, depending on the ByteCode's instructions.
 *
 *----------------------------------------------------------------------
 */
#define	bcFramePtr	(&TD->cmdFrame)
#define	initCatchTop	((ptrdiff_t *) (&TD->stack[-1]))
#define	initTosPtr	((Tcl_Obj **) (initCatchTop+codePtr->maxExceptDepth))
#define esPtr		(iPtr->execEnvPtr->execStackPtr)

int
TclNRExecuteByteCode(
    Tcl_Interp *interp,		/* Token for command interpreter. */
    ByteCode *codePtr)		/* The bytecode sequence to interpret. */
................................................................................
	part2Ptr = OBJ_AT_TOS;
	arrayPtr = LOCAL(opnd);
	while (TclIsVarLink(arrayPtr)) {
	    arrayPtr = arrayPtr->value.linkPtr;
	}
	TRACE(("%s %u \"%.30s\" => ",
		(flags ? "normal" : "noerr"), opnd, O2S(part2Ptr)));
	if (TclIsVarArray(arrayPtr) && !UnsetTraced(arrayPtr)) {

	    varPtr = VarHashFindVar(arrayPtr->value.tablePtr, part2Ptr);
	    if (varPtr && TclIsVarDirectUnsettable(varPtr)) {
		/*
		 * No nasty traces and element exists, so we can proceed to
		 * unset it. Might still not exist though...
		 */

................................................................................
	pcAdjustment = 1;
	cleanup = 1;
	part1Ptr = OBJ_AT_TOS;
	TRACE(("\"%.30s\" => ", O2S(part1Ptr)));
	varPtr = TclObjLookupVarEx(interp, part1Ptr, NULL, 0, NULL,
		/*createPart1*/0, /*createPart2*/0, &arrayPtr);
    doArrayExists:
	if (varPtr && (varPtr->flags & VAR_TRACED_ARRAY)
		&& (TclIsVarArray(varPtr) || TclIsVarUndefined(varPtr))) {
	    DECACHE_STACK_INFO();
	    result = TclObjCallVarTraces(iPtr, arrayPtr, varPtr, part1Ptr,
		    NULL, (TCL_LEAVE_ERR_MSG|TCL_NAMESPACE_ONLY|
		    TCL_GLOBAL_ONLY|TCL_TRACE_ARRAY), 1, opnd);

	    CACHE_STACK_INFO();
	    if (result == TCL_ERROR) {
		TRACE_ERROR(interp);
		goto gotError;
	    }
	}
	if (varPtr && TclIsVarArray(varPtr) && !TclIsVarUndefined(varPtr)) {
	    objResultPtr = TCONST(1);
	} else {
	    objResultPtr = TCONST(0);
	}
	TRACE_APPEND(("%.30s\n", O2S(objResultPtr)));
................................................................................
	 */

	if (TclListObjGetElements(interp, valuePtr, &objc, &objv) != TCL_OK) {
	    TRACE_ERROR(interp);
	    goto gotError;
	}

	/*
	 * Select the list item based on the index. Negative operand means
	 * end-based indexing.
	 */

	if (opnd < -1) {
	    index = opnd+1 + objc;
	} else {
	    index = opnd;
	}

	pcAdjustment = 5;

    lindexFastPath:
	if (index >= 0 && index < objc) {
	    objResultPtr = objv[index];
	} else {
	    TclNewObj(objResultPtr);
................................................................................

#ifndef TCL_COMPILE_DEBUG
	if (*(pc+9) == INST_POP) {
	    NEXT_INST_F(10, 1, 0);
	}
#endif













	/*
	 * Adjust the indices for end-based handling.



	 */



	if (fromIdx < -1) {
	    fromIdx += 1+objc;
	    if (fromIdx < -1) {
		fromIdx = -1;
	    }
	} else if (fromIdx > objc) {
	    fromIdx = objc;


	}

	if (toIdx < -1) {
	    toIdx += 1 + objc;
	    if (toIdx < -1) {
		toIdx = -1;
	    }

	} else if (toIdx > objc) {
	    toIdx = objc;
	}


	/*
	 * Check if we are referring to a valid, non-empty list range, and if
	 * so, build the list of elements in that range.



	 */



	if (fromIdx<=toIdx && fromIdx<objc && toIdx>=0) {


	    if (fromIdx < 0) {
		fromIdx = 0;
	    }
	    if (toIdx >= objc) {
		toIdx = objc-1;
	    }



	    if (fromIdx == 0 && toIdx != objc-1 && !Tcl_IsShared(valuePtr)) {
		/*
		 * BEWARE! This is looking inside the implementation of the
		 * list type.
		 */






		List *listPtr = valuePtr->internalRep.twoPtrValue.ptr1;

		if (listPtr->refCount == 1) {
		    for (index=toIdx+1; index<objc ; index++) {
			TclDecrRefCount(objv[index]);
		    }
		    listPtr->elemCount = toIdx+1;
		    listPtr->canonicalFlag = 1;
		    TclInvalidateStringRep(valuePtr);

		    TRACE_APPEND(("%.30s\n", O2S(valuePtr)));
		    NEXT_INST_F(9, 0, 0);
		}
	    }
	    objResultPtr = Tcl_NewListObj(toIdx-fromIdx+1, objv+fromIdx);
	} else {

	    TclNewObj(objResultPtr);
	}

	TRACE_APPEND(("\"%.30s\"", O2S(objResultPtr)));
	NEXT_INST_F(9, 1, 1);

    case INST_LIST_IN:
................................................................................
    case INST_STR_EQ:
    case INST_STR_NEQ:		/* String (in)equality check */
    case INST_STR_CMP:		/* String compare. */
    stringCompare:
	value2Ptr = OBJ_AT_TOS;
	valuePtr = OBJ_UNDER_TOS;

	if (valuePtr == value2Ptr) {
	    match = 0;
	} else {
	    /*
	     * We only need to check (in)equality when we have equal length
	     * strings.  We can use memcmp in all (n)eq cases because we
	     * don't need to worry about lexical LE/BE variance.
	     */

	    typedef int (*memCmpFn_t)(const void*, const void*, size_t);
	    memCmpFn_t memCmpFn;
	    int checkEq = ((*pc == INST_EQ) || (*pc == INST_NEQ)
		    || (*pc == INST_STR_EQ) || (*pc == INST_STR_NEQ));

	    if (TclIsPureByteArray(valuePtr)
		    && TclIsPureByteArray(value2Ptr)) {
		s1 = (char *) Tcl_GetByteArrayFromObj(valuePtr, &s1len);
		s2 = (char *) Tcl_GetByteArrayFromObj(value2Ptr, &s2len);
		memCmpFn = memcmp;
	    } else if ((valuePtr->typePtr == &tclStringType)
		    && (value2Ptr->typePtr == &tclStringType)) {
		/*
		 * Do a unicode-specific comparison if both of the args are of
		 * String type. If the char length == byte length, we can do a
		 * memcmp. In benchmark testing this proved the most efficient
		 * check between the unicode and string comparison operations.
		 */

		s1len = Tcl_GetCharLength(valuePtr);
		s2len = Tcl_GetCharLength(value2Ptr);
		if ((s1len == valuePtr->length)
			&& (valuePtr->bytes != NULL)
			&& (s2len == value2Ptr->length)
			&& (value2Ptr->bytes != NULL)) {
		    s1 = valuePtr->bytes;
		    s2 = value2Ptr->bytes;
		    memCmpFn = memcmp;
		} else {
		    s1 = (char *) Tcl_GetUnicode(valuePtr);
		    s2 = (char *) Tcl_GetUnicode(value2Ptr);
		    if (
#ifdef WORDS_BIGENDIAN
			1
#else
			checkEq
#endif
			) {
			memCmpFn = memcmp;
			s1len *= sizeof(Tcl_UniChar);
			s2len *= sizeof(Tcl_UniChar);
		    } else {
			memCmpFn = (memCmpFn_t) Tcl_UniCharNcmp;
		    }
		}
	    } else {
		/*
		 * strcmp can't do a simple memcmp in order to handle the
		 * special Tcl \xC0\x80 null encoding for utf-8.
		 */

		s1 = TclGetStringFromObj(valuePtr, &s1len);
		s2 = TclGetStringFromObj(value2Ptr, &s2len);
		if (checkEq) {
		    memCmpFn = memcmp;
		} else {
		    memCmpFn = (memCmpFn_t) TclpUtfNcmp2;
		}
	    }

	    if (checkEq && (s1len != s2len)) {
		match = 1;
	    } else {
		/*
		 * The comparison function should compare up to the minimum
		 * byte length only.
		 */
		match = memCmpFn(s1, s2,
			(size_t) ((s1len < s2len) ? s1len : s2len));
		if (match == 0) {
		    match = s1len - s2len;
		}
	    }

	}

	/*
	 * Make sure only -1,0,1 is returned
	 * TODO: consider peephole opt.
	 */

................................................................................
	} else if (TclIsPureByteArray(valuePtr)) {
	    objResultPtr = Tcl_NewByteArrayObj(
		    Tcl_GetByteArrayFromObj(valuePtr, NULL)+index, 1);
	} else if (valuePtr->bytes && length == valuePtr->length) {
	    objResultPtr = Tcl_NewStringObj((const char *)
		    valuePtr->bytes+index, 1);
	} else {
	    char buf[TCL_UTF_MAX];
	    Tcl_UniChar ch = Tcl_GetUniChar(valuePtr, index);

	    /*
	     * This could be: Tcl_NewUnicodeObj((const Tcl_UniChar *)&ch, 1)
	     * but creating the object as a string seems to be faster in
	     * practical use.
	     */
................................................................................
    case INST_STR_RANGE_IMM:
	valuePtr = OBJ_AT_TOS;
	fromIdx = TclGetInt4AtPtr(pc+1);
	toIdx = TclGetInt4AtPtr(pc+5);
	length = Tcl_GetCharLength(valuePtr);
	TRACE(("\"%.20s\" %d %d => ", O2S(valuePtr), fromIdx, toIdx));









	/*
	 * Adjust indices for end-based indexing.




	 */



	if (fromIdx < -1) {
	    fromIdx += 1 + length;
	    if (fromIdx < 0) {
		fromIdx = 0;


	    }
	} else if (fromIdx >= length) {
	    fromIdx = length;
	}

	if (toIdx < -1) {
	    toIdx += 1 + length;

	} else if (toIdx >= length) {
	    toIdx = length - 1;
	}



	/*
	 * Check if we can do a sane substring.




	 */












	if (fromIdx <= toIdx) {
	    objResultPtr = Tcl_GetRange(valuePtr, fromIdx, toIdx);
	} else {

	    TclNewObj(objResultPtr);
	}
	TRACE_APPEND(("%.30s\n", O2S(objResultPtr)));
	NEXT_INST_F(9, 1, 1);

    {
	Tcl_UniChar *ustring1, *ustring2, *ustring3, *end, *p;
	int length3;
	Tcl_Obj *value3Ptr;

    case INST_STR_REPLACE:
	value3Ptr = POP_OBJECT();
	valuePtr = OBJ_AT_DEPTH(2);
	length = Tcl_GetCharLength(valuePtr) - 1;
	TRACE(("\"%.20s\" %s %s \"%.20s\" => ", O2S(valuePtr),
		O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), O2S(value3Ptr)));
	if (TclGetIntForIndexM(interp, OBJ_UNDER_TOS, length,
		    &fromIdx) != TCL_OK
	    || TclGetIntForIndexM(interp, OBJ_AT_TOS, length,
		    &toIdx) != TCL_OK) {
	    TclDecrRefCount(value3Ptr);
	    TRACE_ERROR(interp);
	    goto gotError;
	}
	TclDecrRefCount(OBJ_AT_TOS);
	(void) POP_OBJECT();
	TclDecrRefCount(OBJ_AT_TOS);
	(void) POP_OBJECT();
	if (fromIdx < 0) {
	    fromIdx = 0;
	}

	if (fromIdx > toIdx || fromIdx > length) {



	    TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr)));
	    TclDecrRefCount(value3Ptr);
	    NEXT_INST_F(1, 0, 0);
	}





	if (toIdx > length) {
	    toIdx = length;
	}

	if (fromIdx == 0 && toIdx == length) {
	    TclDecrRefCount(OBJ_AT_TOS);
	    OBJ_AT_TOS = value3Ptr;
	    TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr)));
	    NEXT_INST_F(1, 0, 0);
	}

	length3 = Tcl_GetCharLength(value3Ptr);
................................................................................
	trim1 = 0;
	goto createTrimmedString;
    case INST_STR_TRIM:
	valuePtr = OBJ_UNDER_TOS;	/* String */
	value2Ptr = OBJ_AT_TOS;		/* TrimSet */
	string2 = TclGetStringFromObj(value2Ptr, &length2);
	string1 = TclGetStringFromObj(valuePtr, &length);
	trim1 = TclTrimLeft(string1, length, string2, length2);
	if (trim1 < length) {
	    trim2 = TclTrimRight(string1, length, string2, length2);
	} else {
	    trim2 = 0;
	}
    createTrimmedString:
	/*
	 * Careful here; trim set often contains non-ASCII characters so we
	 * take care when printing. [Bug 971cb4f1db]
	 */

#ifdef TCL_COMPILE_DEBUG
................................................................................
    case INST_GT:
    case INST_LE:
    case INST_GE: {
	int iResult = 0, compare = 0;

	value2Ptr = OBJ_AT_TOS;
	valuePtr = OBJ_UNDER_TOS;









	if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK
		|| GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2) != TCL_OK) {
	    /*
	     * At least one non-numeric argument - compare as strings.
	     */







|




|







 







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<
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>
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>







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<
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|
<
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>
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1329
1330
1331
1332
1333
1334
1335
1336
1337
1338
1339
1340
1341
1342
1343
1344
1345
1346
1347
1348
....
2010
2011
2012
2013
2014
2015
2016
2017
2018
2019
2020
2021
2022
2023
2024
....
4165
4166
4167
4168
4169
4170
4171
4172
4173
4174
4175
4176
4177
4178
4179
4180
....
4291
4292
4293
4294
4295
4296
4297


4298



4299
4300
4301
4302
4303

4304
4305
4306
4307
4308
4309
4310
....
5081
5082
5083
5084
5085
5086
5087
5088



5089





5090
5091
5092
5093
5094
5095
5096
5097
....
5231
5232
5233
5234
5235
5236
5237
5238
5239
5240
5241
5242
5243
5244
5245
5246
5247
5248
5249
5250

5251
5252
5253
5254
5255
5256
5257




5258


5259
5260
5261
5262
5263




5264
5265
5266
5267
5268
5269
5270


5271
5272
5273
5274
5275
5276
5277

5278
5279
5280
5281
5282


5283
5284
5285
5286
5287




5288
5289
5290
5291
5292
5293









5294
5295
5296
5297


5298
5299
5300
5301
5302
5303
5304
5305
5306
....
5384
5385
5386
5387
5388
5389
5390








5391


5392
5393





































































5394
5395
5396
5397
5398
5399
5400
5401
....
5511
5512
5513
5514
5515
5516
5517
5518
5519
5520
5521
5522
5523
5524
5525
....
5560
5561
5562
5563
5564
5565
5566
5567
5568
5569
5570
5571
5572
5573
5574
5575

5576
5577
5578
5579
5580
5581
5582
5583




5584
5585
5586


5587
5588
5589

5590
5591
5592
5593
5594
5595
5596
5597

5598
5599
5600
5601
5602
5603
5604
5605
5606
5607
5608
5609
5610
5611
5612
5613
5614
5615
5616
5617
5618
5619
5620
5621
5622
5623
5624
5625
5626
5627
5628
5629
5630
5631
5632
5633
5634
5635
5636
5637
5638
5639
5640
5641
5642
5643
5644
5645
5646


5647


5648
5649
5650
5651
5652
5653
5654
5655
5656
5657
5658
5659
5660
5661
5662
5663
5664
5665
5666
5667
5668
5669
5670
5671
....
5940
5941
5942
5943
5944
5945
5946
5947





5948
5949
5950
5951
5952
5953
5954
....
6063
6064
6065
6066
6067
6068
6069
6070
6071
6072
6073
6074
6075
6076
6077
6078
6079
6080
6081
6082
6083
6084
void *
TclStackAlloc(
    Tcl_Interp *interp,
    int numBytes)
{
    Interp *iPtr = (Interp *) interp;
    int numWords;

    if (iPtr == NULL || iPtr->execEnvPtr == NULL) {
	return (void *) ckalloc(numBytes);
    }
    numWords = (numBytes + (sizeof(Tcl_Obj *) - 1))/sizeof(Tcl_Obj *);
    return (void *) StackAllocWords(interp, numWords);
}

void *
TclStackRealloc(
    Tcl_Interp *interp,
    void *ptr,
................................................................................
 *
 * Side effects:
 *	Almost certainly, depending on the ByteCode's instructions.
 *
 *----------------------------------------------------------------------
 */
#define	bcFramePtr	(&TD->cmdFrame)
#define	initCatchTop	((ptrdiff_t *) (TD->stack-1))
#define	initTosPtr	((Tcl_Obj **) (initCatchTop+codePtr->maxExceptDepth))
#define esPtr		(iPtr->execEnvPtr->execStackPtr)

int
TclNRExecuteByteCode(
    Tcl_Interp *interp,		/* Token for command interpreter. */
    ByteCode *codePtr)		/* The bytecode sequence to interpret. */
................................................................................
	part2Ptr = OBJ_AT_TOS;
	arrayPtr = LOCAL(opnd);
	while (TclIsVarLink(arrayPtr)) {
	    arrayPtr = arrayPtr->value.linkPtr;
	}
	TRACE(("%s %u \"%.30s\" => ",
		(flags ? "normal" : "noerr"), opnd, O2S(part2Ptr)));
	if (TclIsVarArray(arrayPtr) && !UnsetTraced(arrayPtr)
		&& !(arrayPtr->flags & VAR_SEARCH_ACTIVE)) {
	    varPtr = VarHashFindVar(arrayPtr->value.tablePtr, part2Ptr);
	    if (varPtr && TclIsVarDirectUnsettable(varPtr)) {
		/*
		 * No nasty traces and element exists, so we can proceed to
		 * unset it. Might still not exist though...
		 */

................................................................................
	pcAdjustment = 1;
	cleanup = 1;
	part1Ptr = OBJ_AT_TOS;
	TRACE(("\"%.30s\" => ", O2S(part1Ptr)));
	varPtr = TclObjLookupVarEx(interp, part1Ptr, NULL, 0, NULL,
		/*createPart1*/0, /*createPart2*/0, &arrayPtr);
    doArrayExists:


	DECACHE_STACK_INFO();



	result = TclCheckArrayTraces(interp, varPtr, arrayPtr, part1Ptr, opnd);
	CACHE_STACK_INFO();
	if (result == TCL_ERROR) {
	    TRACE_ERROR(interp);
	    goto gotError;

	}
	if (varPtr && TclIsVarArray(varPtr) && !TclIsVarUndefined(varPtr)) {
	    objResultPtr = TCONST(1);
	} else {
	    objResultPtr = TCONST(0);
	}
	TRACE_APPEND(("%.30s\n", O2S(objResultPtr)));
................................................................................
	 */

	if (TclListObjGetElements(interp, valuePtr, &objc, &objv) != TCL_OK) {
	    TRACE_ERROR(interp);
	    goto gotError;
	}

	/* Decode end-offset index values. */









	index = TclIndexDecode(opnd, objc - 1);
	pcAdjustment = 5;

    lindexFastPath:
	if (index >= 0 && index < objc) {
	    objResultPtr = objv[index];
	} else {
	    TclNewObj(objResultPtr);
................................................................................

#ifndef TCL_COMPILE_DEBUG
	if (*(pc+9) == INST_POP) {
	    NEXT_INST_F(10, 1, 0);
	}
#endif

	/* Every range of an empty list is an empty list */
	if (objc == 0) {
	    /* avoid return of not canonical list (e. g. spaces in string repr.) */
	    if (!valuePtr->bytes || !valuePtr->length) {
		TRACE_APPEND(("\n"));
		NEXT_INST_F(9, 0, 0);
	    }
	    goto emptyList;
	}

	/* Decode index value operands. */

	/* 

	assert ( toIdx != TCL_INDEX_AFTER);
	 *
	 * Extra safety for legacy bytecodes:
	 */
	if (toIdx == TCL_INDEX_AFTER) {
	    toIdx = TCL_INDEX_END;
	}







	if ((toIdx == TCL_INDEX_BEFORE) || (fromIdx == TCL_INDEX_AFTER)) {
	    goto emptyList;
	}
	toIdx = TclIndexDecode(toIdx, objc - 1);
	if (toIdx < 0) {




	    goto emptyList;
	} else if (toIdx >= objc) {
	    toIdx = objc - 1;
	}

	assert ( toIdx >= 0 && toIdx < objc);
	/*


	assert ( fromIdx != TCL_INDEX_BEFORE );
	 *
	 * Extra safety for legacy bytecodes:
	 */
	if (fromIdx == TCL_INDEX_BEFORE) {
	    fromIdx = TCL_INDEX_START;
	}


	fromIdx = TclIndexDecode(fromIdx, objc - 1);
	if (fromIdx < 0) {
	    fromIdx = 0;
	}



	if (fromIdx <= toIdx) {
	    /* Construct the subsquence list */
	    /* unshared optimization */
	    if (Tcl_IsShared(valuePtr)) {




		objResultPtr = Tcl_NewListObj(toIdx-fromIdx+1, objv+fromIdx);
	    } else {
		if (toIdx != objc - 1) {
		    Tcl_ListObjReplace(NULL, valuePtr, toIdx + 1, LIST_MAX,
			    0, NULL);
		}









		Tcl_ListObjReplace(NULL, valuePtr, 0, fromIdx, 0, NULL);
		TRACE_APPEND(("%.30s\n", O2S(valuePtr)));
		NEXT_INST_F(9, 0, 0);
	    }


	} else {
	emptyList:
	    TclNewObj(objResultPtr);
	}

	TRACE_APPEND(("\"%.30s\"", O2S(objResultPtr)));
	NEXT_INST_F(9, 1, 1);

    case INST_LIST_IN:
................................................................................
    case INST_STR_EQ:
    case INST_STR_NEQ:		/* String (in)equality check */
    case INST_STR_CMP:		/* String compare. */
    stringCompare:
	value2Ptr = OBJ_AT_TOS;
	valuePtr = OBJ_UNDER_TOS;









	{


	    int checkEq = ((*pc == INST_EQ) || (*pc == INST_NEQ)
		    || (*pc == INST_STR_EQ) || (*pc == INST_STR_NEQ));





































































	    match = TclStringCmp(valuePtr, value2Ptr, checkEq, 0, -1);
	}

	/*
	 * Make sure only -1,0,1 is returned
	 * TODO: consider peephole opt.
	 */

................................................................................
	} else if (TclIsPureByteArray(valuePtr)) {
	    objResultPtr = Tcl_NewByteArrayObj(
		    Tcl_GetByteArrayFromObj(valuePtr, NULL)+index, 1);
	} else if (valuePtr->bytes && length == valuePtr->length) {
	    objResultPtr = Tcl_NewStringObj((const char *)
		    valuePtr->bytes+index, 1);
	} else {
	    char buf[TCL_UTF_MAX] = "";
	    Tcl_UniChar ch = Tcl_GetUniChar(valuePtr, index);

	    /*
	     * This could be: Tcl_NewUnicodeObj((const Tcl_UniChar *)&ch, 1)
	     * but creating the object as a string seems to be faster in
	     * practical use.
	     */
................................................................................
    case INST_STR_RANGE_IMM:
	valuePtr = OBJ_AT_TOS;
	fromIdx = TclGetInt4AtPtr(pc+1);
	toIdx = TclGetInt4AtPtr(pc+5);
	length = Tcl_GetCharLength(valuePtr);
	TRACE(("\"%.20s\" %d %d => ", O2S(valuePtr), fromIdx, toIdx));

	/* Every range of an empty value is an empty value */
	if (length == 0) {
	    TRACE_APPEND(("\n"));
	    NEXT_INST_F(9, 0, 0);
	}

	/* Decode index operands. */

	/*

	assert ( toIdx != TCL_INDEX_BEFORE );
	assert ( toIdx != TCL_INDEX_AFTER);
	 *
	 * Extra safety for legacy bytecodes:
	 */
	if (toIdx == TCL_INDEX_BEFORE) {
	    goto emptyRange;
	}




	if (toIdx == TCL_INDEX_AFTER) {
	    toIdx = TCL_INDEX_END;
	}



	toIdx = TclIndexDecode(toIdx, length - 1);
	if (toIdx < 0) {

	    goto emptyRange;
	} else if (toIdx >= length) {
	    toIdx = length - 1;
	}

	assert ( toIdx >= 0 && toIdx < length );

	/*

	assert ( fromIdx != TCL_INDEX_BEFORE );
	assert ( fromIdx != TCL_INDEX_AFTER);
	 *
	 * Extra safety for legacy bytecodes:
	 */
	if (fromIdx == TCL_INDEX_BEFORE) {
	    fromIdx = TCL_INDEX_START;
	}
	if (fromIdx == TCL_INDEX_AFTER) {
	    goto emptyRange;
	}

	fromIdx = TclIndexDecode(fromIdx, length - 1);
	if (fromIdx < 0) {
	    fromIdx = 0;
	}

	if (fromIdx <= toIdx) {
	    objResultPtr = Tcl_GetRange(valuePtr, fromIdx, toIdx);
	} else {
	emptyRange:
	    TclNewObj(objResultPtr);
	}
	TRACE_APPEND(("%.30s\n", O2S(objResultPtr)));
	NEXT_INST_F(9, 1, 1);

    {
	Tcl_UniChar *ustring1, *ustring2, *ustring3, *end, *p;
	int length3, endIdx;
	Tcl_Obj *value3Ptr;

    case INST_STR_REPLACE:
	value3Ptr = POP_OBJECT();
	valuePtr = OBJ_AT_DEPTH(2);
	endIdx = Tcl_GetCharLength(valuePtr) - 1;
	TRACE(("\"%.20s\" %s %s \"%.20s\" => ", O2S(valuePtr),
		O2S(OBJ_UNDER_TOS), O2S(OBJ_AT_TOS), O2S(value3Ptr)));
	if (TclGetIntForIndexM(interp, OBJ_UNDER_TOS, endIdx,
		    &fromIdx) != TCL_OK
	    || TclGetIntForIndexM(interp, OBJ_AT_TOS, endIdx,
		    &toIdx) != TCL_OK) {
	    TclDecrRefCount(value3Ptr);
	    TRACE_ERROR(interp);
	    goto gotError;
	}
	TclDecrRefCount(OBJ_AT_TOS);
	(void) POP_OBJECT();
	TclDecrRefCount(OBJ_AT_TOS);
	(void) POP_OBJECT();





	if ((toIdx < 0) ||
		(fromIdx > endIdx) ||
		(toIdx < fromIdx)) {
	    TRACE_APPEND(("\"%.30s\"\n", O2S(valuePtr)));
	    TclDecrRefCount(value3Ptr);
	    NEXT_INST_F(1, 0, 0);
	}

	if (fromIdx < 0) {
	    fromIdx = 0;
	}

	if (toIdx > endIdx) {
	    toIdx = endIdx;
	}

	if (fromIdx == 0 && toIdx == endIdx) {
	    TclDecrRefCount(OBJ_AT_TOS);
	    OBJ_AT_TOS = value3Ptr;
	    TRACE_APPEND(("\"%.30s\"\n", O2S(value3Ptr)));
	    NEXT_INST_F(1, 0, 0);
	}

	length3 = Tcl_GetCharLength(value3Ptr);
................................................................................
	trim1 = 0;
	goto createTrimmedString;
    case INST_STR_TRIM:
	valuePtr = OBJ_UNDER_TOS;	/* String */
	value2Ptr = OBJ_AT_TOS;		/* TrimSet */
	string2 = TclGetStringFromObj(value2Ptr, &length2);
	string1 = TclGetStringFromObj(valuePtr, &length);
	trim1 = TclTrim(string1, length, string2, length2, &trim2);





    createTrimmedString:
	/*
	 * Careful here; trim set often contains non-ASCII characters so we
	 * take care when printing. [Bug 971cb4f1db]
	 */

#ifdef TCL_COMPILE_DEBUG
................................................................................
    case INST_GT:
    case INST_LE:
    case INST_GE: {
	int iResult = 0, compare = 0;

	value2Ptr = OBJ_AT_TOS;
	valuePtr = OBJ_UNDER_TOS;

	/*
	    Try to determine, without triggering generation of a string
	    representation, whether one value is not a number.
	*/
	if (TclCheckEmptyString(valuePtr) > 0 || TclCheckEmptyString(value2Ptr) > 0) {
	    goto stringCompare;
	}

	if (GetNumberFromObj(NULL, valuePtr, &ptr1, &type1) != TCL_OK
		|| GetNumberFromObj(NULL, value2Ptr, &ptr2, &type2) != TCL_OK) {
	    /*
	     * At least one non-numeric argument - compare as strings.
	     */

Changes to generic/tclFCmd.c.

176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
...
236
237
238
239
240
241
242


243
244


245
246
247
248
249
250
251
...
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288


289
290
291
292
293
294
295
...
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
...
402
403
404
405
406
407
408






409

410
411
412
413
414
415
416
417
418
419
420
421
422
	source = FileBasename(interp, objv[i]);
	if (source == NULL) {
	    result = TCL_ERROR;
	    break;
	}
	jargv[0] = objv[objc - 1];
	jargv[1] = source;
	newFileName = TclJoinPath(2, jargv);
	Tcl_IncrRefCount(newFileName);
	result = CopyRenameOneFile(interp, objv[i], newFileName, copyFlag,
		force);
	Tcl_DecrRefCount(newFileName);
	Tcl_DecrRefCount(source);

	if (result == TCL_ERROR) {
................................................................................
	Tcl_IncrRefCount(split);
	if (pobjc == 0) {
	    errno = ENOENT;
	    errfile = objv[i];
	    break;
	}
	for (j = 0; j < pobjc; j++) {


	    target = Tcl_FSJoinPath(split, j + 1);
	    Tcl_IncrRefCount(target);



	    /*
	     * Call Tcl_FSStat() so that if target is a symlink that points to
	     * a directory we will create subdirectories in that directory.
	     */

	    if (Tcl_FSStat(target, &statBuf) == 0) {
................................................................................
	    } else if (Tcl_FSCreateDirectory(target) != TCL_OK) {
		/*
		 * Create might have failed because of being in a race
		 * condition with another process trying to create the same
		 * subdirectory.
		 */

		if (errno != EEXIST) {
		    errfile = target;
		    goto done;
		} else if ((Tcl_FSStat(target, &statBuf) == 0)
			&& S_ISDIR(statBuf.st_mode)) {
		    /*
		     * It is a directory that wasn't there before, so keep
		     * going without error.
		     */

		    Tcl_ResetResult(interp);
		} else {
		    errfile = target;
		    goto done;
		}
	    }



	    /*
	     * Forget about this sub-path.
	     */

	    Tcl_DecrRefCount(target);
	    target = NULL;
	}
................................................................................
	}

	/*
	 * Call lstat() to get info so can delete symbolic link itself.
	 */

	if (Tcl_FSLstat(objv[i], &statBuf) != 0) {
	    /*
	     * Trying to delete a file that does not exist is not considered
	     * an error, just a no-op
	     */

	    if (errno != ENOENT) {
		result = TCL_ERROR;
	    }
	} else if (S_ISDIR(statBuf.st_mode)) {
	    /*
	     * We own a reference count on errorBuffer, if it was set as a
	     * result of this call.
	     */

	    result = Tcl_FSRemoveDirectory(objv[i], force, &errorBuffer);
................................................................................
		}
	    }
	} else {
	    result = Tcl_FSDeleteFile(objv[i]);
	}

	if (result != TCL_OK) {






	    result = TCL_ERROR;


	    /*
	     * It is important that we break on error, otherwise we might end
	     * up owning reference counts on numerous errorBuffers.
	     */

	    break;
	}
    }
    if (result != TCL_OK) {
	if (errfile == NULL) {
	    /*
	     * We try to accomodate poor error results from our Tcl_FS calls.






|







 







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<
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|







176
177
178
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185
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...
236
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...
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371






372

373
374
375
376
377
378
379
...
401
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405
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408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
	source = FileBasename(interp, objv[i]);
	if (source == NULL) {
	    result = TCL_ERROR;
	    break;
	}
	jargv[0] = objv[objc - 1];
	jargv[1] = source;
	newFileName = TclJoinPath(2, jargv, 1);
	Tcl_IncrRefCount(newFileName);
	result = CopyRenameOneFile(interp, objv[i], newFileName, copyFlag,
		force);
	Tcl_DecrRefCount(newFileName);
	Tcl_DecrRefCount(source);

	if (result == TCL_ERROR) {
................................................................................
	Tcl_IncrRefCount(split);
	if (pobjc == 0) {
	    errno = ENOENT;
	    errfile = objv[i];
	    break;
	}
	for (j = 0; j < pobjc; j++) {
	    int errCount = 2;

	    target = Tcl_FSJoinPath(split, j + 1);
	    Tcl_IncrRefCount(target);

	createDir:

	    /*
	     * Call Tcl_FSStat() so that if target is a symlink that points to
	     * a directory we will create subdirectories in that directory.
	     */

	    if (Tcl_FSStat(target, &statBuf) == 0) {
................................................................................
	    } else if (Tcl_FSCreateDirectory(target) != TCL_OK) {
		/*
		 * Create might have failed because of being in a race
		 * condition with another process trying to create the same
		 * subdirectory.
		 */

		if (errno == EEXIST) {
		    /* Be aware other workers could delete it immediately after
		     * creation, so give this worker still one chance (repeat once),
		     * see [270f78ca95] for description of the race-condition.
		     * Don't repeat the create always (to avoid endless loop). */
		    if (--errCount > 0) {
			goto createDir;
		    }
		    /* Already tried, with delete in-between directly after
		     * creation, so just continue (assume created successful). */
		    goto nextPart;
		}

		/* return with error */
		errfile = target;
		goto done;
	    }

	nextPart:
	    /*
	     * Forget about this sub-path.
	     */

	    Tcl_DecrRefCount(target);
	    target = NULL;
	}
................................................................................
	}

	/*
	 * Call lstat() to get info so can delete symbolic link itself.
	 */

	if (Tcl_FSLstat(objv[i], &statBuf) != 0) {






	    result = TCL_ERROR;

	} else if (S_ISDIR(statBuf.st_mode)) {
	    /*
	     * We own a reference count on errorBuffer, if it was set as a
	     * result of this call.
	     */

	    result = Tcl_FSRemoveDirectory(objv[i], force, &errorBuffer);
................................................................................
		}
	    }
	} else {
	    result = Tcl_FSDeleteFile(objv[i]);
	}

	if (result != TCL_OK) {

	    /*
	     * Avoid possible race condition (file/directory deleted after call
	     * of lstat), so bypass ENOENT because not an error, just a no-op
	     */
	    if (errno == ENOENT) {
		result = TCL_OK;
		continue;
	    }
	    /*
	     * It is important that we break on error, otherwise we might end
	     * up owning reference counts on numerous errorBuffers.
	     */
	    result = TCL_ERROR;
	    break;
	}
    }
    if (result != TCL_OK) {
	if (errfile == NULL) {
	    /*
	     * We try to accomodate poor error results from our Tcl_FS calls.

Changes to generic/tclFileName.c.

804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
....
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
Tcl_Obj *
Tcl_FSJoinToPath(
    Tcl_Obj *pathPtr,		/* Valid path or NULL. */
    int objc,			/* Number of array elements to join */
    Tcl_Obj *const objv[])	/* Path elements to join. */
{
    if (pathPtr == NULL) {
	return TclJoinPath(objc, objv);
    }
    if (objc == 0) {
	return TclJoinPath(1, &pathPtr);
    }
    if (objc == 1) {
	Tcl_Obj *pair[2];

	pair[0] = pathPtr;
	pair[1] = objv[0];
	return TclJoinPath(2, pair);
    } else {
	int elemc = objc + 1;
	Tcl_Obj *ret, **elemv = ckalloc(elemc*sizeof(Tcl_Obj *));

	elemv[0] = pathPtr;
	memcpy(elemv+1, objv, objc*sizeof(Tcl_Obj *));
	ret = TclJoinPath(elemc, elemv);
	ckfree(elemv);
	return ret;
    }
}
 
/*
 *---------------------------------------------------------------------------
................................................................................
		&driveNameLen, &driveName) == TCL_PATH_ABSOLUTE) {
	    pathPrefix = driveName;
	    tail += driveNameLen;
	}
    }

    /*
     * To process a [glob] invokation, this function may be called multiple
     * times. Each time, the previously discovered filenames are in the
     * interpreter result. We stash that away here so the result is free for
     * error messsages.
     */

    savedResultObj = Tcl_GetObjResult(interp);
    Tcl_IncrRefCount(savedResultObj);






|


|






|






|







 







|







804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
....
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911
1912
1913
1914
Tcl_Obj *
Tcl_FSJoinToPath(
    Tcl_Obj *pathPtr,		/* Valid path or NULL. */
    int objc,			/* Number of array elements to join */
    Tcl_Obj *const objv[])	/* Path elements to join. */
{
    if (pathPtr == NULL) {
	return TclJoinPath(objc, objv, 0);
    }
    if (objc == 0) {
	return TclJoinPath(1, &pathPtr, 0);
    }
    if (objc == 1) {
	Tcl_Obj *pair[2];

	pair[0] = pathPtr;
	pair[1] = objv[0];
	return TclJoinPath(2, pair, 0);
    } else {
	int elemc = objc + 1;
	Tcl_Obj *ret, **elemv = ckalloc(elemc*sizeof(Tcl_Obj *));

	elemv[0] = pathPtr;
	memcpy(elemv+1, objv, objc*sizeof(Tcl_Obj *));
	ret = TclJoinPath(elemc, elemv, 0);
	ckfree(elemv);
	return ret;
    }
}
 
/*
 *---------------------------------------------------------------------------
................................................................................
		&driveNameLen, &driveName) == TCL_PATH_ABSOLUTE) {
	    pathPrefix = driveName;
	    tail += driveNameLen;
	}
    }

    /*
     * To process a [glob] invocation, this function may be called multiple
     * times. Each time, the previously discovered filenames are in the
     * interpreter result. We stash that away here so the result is free for
     * error messsages.
     */

    savedResultObj = Tcl_GetObjResult(interp);
    Tcl_IncrRefCount(savedResultObj);

Changes to generic/tclGetDate.y.

893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
    register char c;
    register char *p;
    char buff[20];
    int Count;

    location->first_column = yyInput - info->dateStart;
    for ( ; ; ) {
	while (isspace(UCHAR(*yyInput))) {
	    yyInput++;
	}

	if (isdigit(UCHAR(c = *yyInput))) { /* INTL: digit */
	    /*
	     * Convert the string into a number; count the number of digits.
	     */






|







893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
    register char c;
    register char *p;
    char buff[20];
    int Count;

    location->first_column = yyInput - info->dateStart;
    for ( ; ; ) {
	while (TclIsSpaceProc(*yyInput)) {
	    yyInput++;
	}

	if (isdigit(UCHAR(c = *yyInput))) { /* INTL: digit */
	    /*
	     * Convert the string into a number; count the number of digits.
	     */

Changes to generic/tclHash.c.

1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021






1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039
1040
1041
1042
1043
 *----------------------------------------------------------------------
 */

static void
RebuildTable(
    register Tcl_HashTable *tablePtr)	/* Table to enlarge. */
{
    int oldSize, count, index;
    Tcl_HashEntry **oldBuckets;
    register Tcl_HashEntry **oldChainPtr, **newChainPtr;
    register Tcl_HashEntry *hPtr;
    const Tcl_HashKeyType *typePtr;







    if (tablePtr->keyType == TCL_STRING_KEYS) {
	typePtr = &tclStringHashKeyType;
    } else if (tablePtr->keyType == TCL_ONE_WORD_KEYS) {
	typePtr = &tclOneWordHashKeyType;
    } else if (tablePtr->keyType == TCL_CUSTOM_TYPE_KEYS
	    || tablePtr->keyType == TCL_CUSTOM_PTR_KEYS) {
	typePtr = tablePtr->typePtr;
    } else {
	typePtr = &tclArrayHashKeyType;
    }

    oldSize = tablePtr->numBuckets;
    oldBuckets = tablePtr->buckets;

    /*
     * Allocate and initialize the new bucket array, and set up hashing
     * constants for new array size.
     */

    tablePtr->numBuckets *= 4;
    if (typePtr->flags & TCL_HASH_KEY_SYSTEM_HASH) {






|
|



>
>
>
>
>
>












<
<
<







1010
1011
1012
1013
1014
1015
1016
1017
1018
1019
1020
1021
1022
1023
1024
1025
1026
1027
1028
1029
1030
1031
1032
1033
1034
1035
1036
1037
1038
1039



1040
1041
1042
1043
1044
1045
1046
 *----------------------------------------------------------------------
 */

static void
RebuildTable(
    register Tcl_HashTable *tablePtr)	/* Table to enlarge. */
{
    int count, index, oldSize = tablePtr->numBuckets;
    Tcl_HashEntry **oldBuckets = tablePtr->buckets;
    register Tcl_HashEntry **oldChainPtr, **newChainPtr;
    register Tcl_HashEntry *hPtr;
    const Tcl_HashKeyType *typePtr;

    /* Avoid outgrowing capability of the memory allocators */
    if (oldSize > (int)(UINT_MAX / (4 * sizeof(Tcl_HashEntry *)))) {
	tablePtr->rebuildSize = INT_MAX;
	return;
    }

    if (tablePtr->keyType == TCL_STRING_KEYS) {
	typePtr = &tclStringHashKeyType;
    } else if (tablePtr->keyType == TCL_ONE_WORD_KEYS) {
	typePtr = &tclOneWordHashKeyType;
    } else if (tablePtr->keyType == TCL_CUSTOM_TYPE_KEYS
	    || tablePtr->keyType == TCL_CUSTOM_PTR_KEYS) {
	typePtr = tablePtr->typePtr;
    } else {
	typePtr = &tclArrayHashKeyType;
    }




    /*
     * Allocate and initialize the new bucket array, and set up hashing
     * constants for new array size.
     */

    tablePtr->numBuckets *= 4;
    if (typePtr->flags & TCL_HASH_KEY_SYSTEM_HASH) {

Changes to generic/tclIO.c.

707
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....
6670
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void
Tcl_SetStdChannel(
    Tcl_Channel channel,
    int type)			/* One of TCL_STDIN, TCL_STDOUT, TCL_STDERR. */
{
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);


    switch (type) {
    case TCL_STDIN:
	tsdPtr->stdinInitialized = 1;
	tsdPtr->stdinChannel = channel;
	break;
    case TCL_STDOUT:
	tsdPtr->stdoutInitialized = 1;
	tsdPtr->stdoutChannel = channel;
	break;
    case TCL_STDERR:
	tsdPtr->stderrInitialized = 1;
	tsdPtr->stderrChannel = channel;
	break;
    }
}
 
/*
 *----------------------------------------------------------------------
................................................................................
     * If the channels were not created yet, create them now and store them in
     * the static variables.
     */

    switch (type) {
    case TCL_STDIN:
	if (!tsdPtr->stdinInitialized) {

	    tsdPtr->stdinChannel = TclpGetDefaultStdChannel(TCL_STDIN);
	    tsdPtr->stdinInitialized = 1;

	    /*
	     * Artificially bump the refcount to ensure that the channel is
	     * only closed on exit.
	     *
	     * NOTE: Must only do this if stdinChannel is not NULL. It can be
	     * NULL in situations where Tcl is unable to connect to the
	     * standard input.
	     */

	    if (tsdPtr->stdinChannel != NULL) {

		Tcl_RegisterChannel(NULL, tsdPtr->stdinChannel);
	    }
	}
	channel = tsdPtr->stdinChannel;
	break;
    case TCL_STDOUT:
	if (!tsdPtr->stdoutInitialized) {

	    tsdPtr->stdoutChannel = TclpGetDefaultStdChannel(TCL_STDOUT);
	    tsdPtr->stdoutInitialized = 1;
	    if (tsdPtr->stdoutChannel != NULL) {

		Tcl_RegisterChannel(NULL, tsdPtr->stdoutChannel);
	    }
	}
	channel = tsdPtr->stdoutChannel;
	break;
    case TCL_STDERR:
	if (!tsdPtr->stderrInitialized) {

	    tsdPtr->stderrChannel = TclpGetDefaultStdChannel(TCL_STDERR);
	    tsdPtr->stderrInitialized = 1;
	    if (tsdPtr->stderrChannel != NULL) {

		Tcl_RegisterChannel(NULL, tsdPtr->stderrChannel);
	    }
	}
	channel = tsdPtr->stderrChannel;
	break;
    }
    return channel;
................................................................................
static void
CheckForStdChannelsBeingClosed(
    Tcl_Channel chan)
{
    ChannelState *statePtr = ((Channel *) chan)->state;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    if (tsdPtr->stdinInitialized
	    && tsdPtr->stdinChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdinChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stdinChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stdoutInitialized
	    && tsdPtr->stdoutChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdoutChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stdoutChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stderrInitialized
	    && tsdPtr->stderrChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stderrChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stderrChannel = NULL;
	    return;
	}
................................................................................
    /*
     * This operation should occur at the top of a channel stack.
     */

    chanPtr = statePtr->topChanPtr;

    if (CheckChannelErrors(statePtr, TCL_WRITABLE) != 0) {
	return -1;
    }

    result = FlushChannel(NULL, chanPtr, 0);
    if (result != 0) {
	return TCL_ERROR;
    }







>


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void
Tcl_SetStdChannel(
    Tcl_Channel channel,
    int type)			/* One of TCL_STDIN, TCL_STDOUT, TCL_STDERR. */
{
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    int init = channel ? 1 : -1;
    switch (type) {
    case TCL_STDIN:
	tsdPtr->stdinInitialized = init;
	tsdPtr->stdinChannel = channel;
	break;
    case TCL_STDOUT:
	tsdPtr->stdoutInitialized = init;
	tsdPtr->stdoutChannel = channel;
	break;
    case TCL_STDERR:
	tsdPtr->stderrInitialized = init;
	tsdPtr->stderrChannel = channel;
	break;
    }
}
 
/*
 *----------------------------------------------------------------------
................................................................................
     * If the channels were not created yet, create them now and store them in
     * the static variables.
     */

    switch (type) {
    case TCL_STDIN:
	if (!tsdPtr->stdinInitialized) {
	    tsdPtr->stdinInitialized = -1;
	    tsdPtr->stdinChannel = TclpGetDefaultStdChannel(TCL_STDIN);


	    /*
	     * Artificially bump the refcount to ensure that the channel is
	     * only closed on exit.
	     *
	     * NOTE: Must only do this if stdinChannel is not NULL. It can be
	     * NULL in situations where Tcl is unable to connect to the
	     * standard input.
	     */

	    if (tsdPtr->stdinChannel != NULL) {
		tsdPtr->stdinInitialized = 1;
		Tcl_RegisterChannel(NULL, tsdPtr->stdinChannel);
	    }
	}
	channel = tsdPtr->stdinChannel;
	break;
    case TCL_STDOUT:
	if (!tsdPtr->stdoutInitialized) {
	    tsdPtr->stdoutInitialized = -1;
	    tsdPtr->stdoutChannel = TclpGetDefaultStdChannel(TCL_STDOUT);

	    if (tsdPtr->stdoutChannel != NULL) {
		tsdPtr->stdoutInitialized = 1;
		Tcl_RegisterChannel(NULL, tsdPtr->stdoutChannel);
	    }
	}
	channel = tsdPtr->stdoutChannel;
	break;
    case TCL_STDERR:
	if (!tsdPtr->stderrInitialized) {
	    tsdPtr->stderrInitialized = -1;
	    tsdPtr->stderrChannel = TclpGetDefaultStdChannel(TCL_STDERR);

	    if (tsdPtr->stderrChannel != NULL) {
		tsdPtr->stderrInitialized = 1;
		Tcl_RegisterChannel(NULL, tsdPtr->stderrChannel);
	    }
	}
	channel = tsdPtr->stderrChannel;
	break;
    }
    return channel;
................................................................................
static void
CheckForStdChannelsBeingClosed(
    Tcl_Channel chan)
{
    ChannelState *statePtr = ((Channel *) chan)->state;
    ThreadSpecificData *tsdPtr = TCL_TSD_INIT(&dataKey);

    if (tsdPtr->stdinInitialized == 1
	    && tsdPtr->stdinChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdinChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stdinChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stdoutInitialized == 1
	    && tsdPtr->stdoutChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stdoutChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stdoutChannel = NULL;
	    return;
	}
    } else if (tsdPtr->stderrInitialized == 1
	    && tsdPtr->stderrChannel != NULL
	    && statePtr == ((Channel *)tsdPtr->stderrChannel)->state) {
	if (statePtr->refCount < 2) {
	    statePtr->refCount = 0;
	    tsdPtr->stderrChannel = NULL;
	    return;
	}
................................................................................
    /*
     * This operation should occur at the top of a channel stack.
     */

    chanPtr = statePtr->topChanPtr;

    if (CheckChannelErrors(statePtr, TCL_WRITABLE) != 0) {
	return TCL_ERROR;
    }

    result = FlushChannel(NULL, chanPtr, 0);
    if (result != 0) {
	return TCL_ERROR;
    }

Changes to generic/tclIORChan.c.

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			    int toRead, int *errorCodePtr);
static int		ReflectOutput(ClientData clientData, const char *buf,
			    int toWrite, int *errorCodePtr);
static void		ReflectWatch(ClientData clientData, int mask);
static int		ReflectBlock(ClientData clientData, int mode);
#ifdef TCL_THREADS
static void		ReflectThread(ClientData clientData, int action);


#endif
static Tcl_WideInt	ReflectSeekWide(ClientData clientData,
			    Tcl_WideInt offset, int mode, int *errorCodePtr);
static int		ReflectSeek(ClientData clientData, long offset,
			    int mode, int *errorCodePtr);
static int		ReflectGetOption(ClientData clientData,
			    Tcl_Interp *interp, const char *optionName,
................................................................................
 * Side effects:
 *	Posts events to a reflected channel, invokes event handlers. The
 *	latter implies that arbitrary side effects are possible.
 *
 *----------------------------------------------------------------------
 */


typedef struct ReflectEvent {
    Tcl_Event header;
    ReflectedChannel *rcPtr;
    int events;
} ReflectEvent;

static int
................................................................................
    ReflectEvent *e = (ReflectEvent *) ev;

    if ((ev->proc != ReflectEventRun) || ((cd != NULL) && (cd != e->rcPtr))) {
        return 0;
    }
    return 1;
}


int
TclChanPostEventObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)






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			    int toRead, int *errorCodePtr);
static int		ReflectOutput(ClientData clientData, const char *buf,
			    int toWrite, int *errorCodePtr);
static void		ReflectWatch(ClientData clientData, int mask);
static int		ReflectBlock(ClientData clientData, int mode);
#ifdef TCL_THREADS
static void		ReflectThread(ClientData clientData, int action);
static int		ReflectEventRun(Tcl_Event *ev, int flags);
static int		ReflectEventDelete(Tcl_Event *ev, ClientData cd);
#endif
static Tcl_WideInt	ReflectSeekWide(ClientData clientData,
			    Tcl_WideInt offset, int mode, int *errorCodePtr);
static int		ReflectSeek(ClientData clientData, long offset,
			    int mode, int *errorCodePtr);
static int		ReflectGetOption(ClientData clientData,
			    Tcl_Interp *interp, const char *optionName,
................................................................................
 * Side effects:
 *	Posts events to a reflected channel, invokes event handlers. The
 *	latter implies that arbitrary side effects are possible.
 *
 *----------------------------------------------------------------------
 */

#ifdef TCL_THREADS
typedef struct ReflectEvent {
    Tcl_Event header;
    ReflectedChannel *rcPtr;
    int events;
} ReflectEvent;

static int
................................................................................
    ReflectEvent *e = (ReflectEvent *) ev;

    if ((ev->proc != ReflectEventRun) || ((cd != NULL) && (cd != e->rcPtr))) {
        return 0;
    }
    return 1;
}
#endif

int
TclChanPostEventObjCmd(
    ClientData clientData,
    Tcl_Interp *interp,
    int objc,
    Tcl_Obj *const *objv)

Changes to generic/tclIOUtil.c.

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3711
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Tcl_FSLstatProc			TclpObjLstat;
Tcl_FSCopyFileProc		TclpObjCopyFile;
Tcl_FSDeleteFileProc		TclpObjDeleteFile;
Tcl_FSRenameFileProc		TclpObjRenameFile;
Tcl_FSCreateDirectoryProc	TclpObjCreateDirectory;
Tcl_FSCopyDirectoryProc		TclpObjCopyDirectory;
Tcl_FSRemoveDirectoryProc	TclpObjRemoveDirectory;
Tcl_FSUnloadFileProc		TclpUnloadFile;
Tcl_FSLinkProc			TclpObjLink;
Tcl_FSListVolumesProc		TclpObjListVolumes;

/*
 * Define the native filesystem dispatch table. If necessary, it is ok to make
 * this non-static, but it should only be accessed by the functions actually
 * listed within it (or perhaps other helper functions of them). Anything
................................................................................
    }
    Tcl_DStringInit(cwdPtr);
    TclDStringAppendObj(cwdPtr, cwd);
    Tcl_DecrRefCount(cwd);
    return Tcl_DStringValue(cwdPtr);
}
 
/* Obsolete */
int
Tcl_EvalFile(
    Tcl_Interp *interp,		/* Interpreter in which to process file. */
    const char *fileName)	/* Name of file to process. Tilde-substitution
				 * will be performed on this name. */
{
    int ret;
................................................................................
    }

    /*
     * The eofchar is \32 (^Z). This is the usual on Windows, but we effect
     * this cross-platform to allow for scripted documents. [Bug: 2040]
     */

    Tcl_SetChannelOption(interp, chan, "-eofchar", "\32");

    /*
     * If the encoding is specified, set it for the channel. Else don't touch
     * it (and use the system encoding) Report error on unknown encoding.
     */

    if (encodingName != NULL) {
................................................................................
    }

    /*
     * The eofchar is \32 (^Z). This is the usual on Windows, but we effect
     * this cross-platform to allow for scripted documents. [Bug: 2040]
     */

    Tcl_SetChannelOption(interp, chan, "-eofchar", "\32");

    /*
     * If the encoding is specified, set it for the channel. Else don't touch
     * it (and use the system encoding) Report error on unknown encoding.
     */

    if (encodingName != NULL) {
................................................................................
 *     unlink. The env variable TCL_TEMPLOAD_NO_UNLINK allows detection of a
 *     users general request (unlink and not.
 *
 * By default the unlink is done (if not in AUFS). However if the variable is
 * present and set to true (any integer > 0) then the unlink is skipped.
 */

int
TclSkipUnlink (Tcl_Obj* shlibFile)
{
    /* Order of testing:
     * 1. On hpux we generally want to skip unlink in general
     *
     * Outside of hpux then:
     * 2. For a general user request   (TCL_TEMPLOAD_NO_UNLINK present, non-empty, => int)
     * 3. For general AUFS environment (statfs, if available).
................................................................................

    /*
     * Try to delete the file immediately - this is possible in some OSes, and
     * avoids any worries about leaving the copy laying around on exit.
     */

    if (
	!TclSkipUnlink (copyToPtr) &&
	(Tcl_FSDeleteFile(copyToPtr) == TCL_OK)) {
	Tcl_DecrRefCount(copyToPtr);

	/*
	 * We tell our caller about the real shared library which was loaded.
	 * Note that this does mean that the package list maintained by 'load'
	 * will store the original (vfs) path alongside the temporary load
................................................................................
	if (interp != NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "cannot unload: filesystem does not support unloading",
		    -1));
	}
	return TCL_ERROR;
    }
    TclpUnloadFile(handle);
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclpUnloadFile --
 *
 *	Unloads a library given its handle
 *
 * This function was once filesystem-specific, but has been made portable by
 * having TclpDlopen return a structure that includes procedure pointers.
 *
 *----------------------------------------------------------------------
 */

void
TclpUnloadFile(
    Tcl_LoadHandle handle)
{
    if (handle->unloadFileProcPtr != NULL) {
	handle->unloadFileProcPtr(handle);
    }

}
 
/*
 *----------------------------------------------------------------------
 *
 * TclFSUnloadTempFile --
 *






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3685
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Tcl_FSLstatProc			TclpObjLstat;
Tcl_FSCopyFileProc		TclpObjCopyFile;
Tcl_FSDeleteFileProc		TclpObjDeleteFile;
Tcl_FSRenameFileProc		TclpObjRenameFile;
Tcl_FSCreateDirectoryProc	TclpObjCreateDirectory;
Tcl_FSCopyDirectoryProc		TclpObjCopyDirectory;
Tcl_FSRemoveDirectoryProc	TclpObjRemoveDirectory;

Tcl_FSLinkProc			TclpObjLink;
Tcl_FSListVolumesProc		TclpObjListVolumes;

/*
 * Define the native filesystem dispatch table. If necessary, it is ok to make
 * this non-static, but it should only be accessed by the functions actually
 * listed within it (or perhaps other helper functions of them). Anything
................................................................................
    }
    Tcl_DStringInit(cwdPtr);
    TclDStringAppendObj(cwdPtr, cwd);
    Tcl_DecrRefCount(cwd);
    return Tcl_DStringValue(cwdPtr);
}
 

int
Tcl_EvalFile(
    Tcl_Interp *interp,		/* Interpreter in which to process file. */
    const char *fileName)	/* Name of file to process. Tilde-substitution
				 * will be performed on this name. */
{
    int ret;
................................................................................
    }

    /*
     * The eofchar is \32 (^Z). This is the usual on Windows, but we effect
     * this cross-platform to allow for scripted documents. [Bug: 2040]
     */

    Tcl_SetChannelOption(interp, chan, "-eofchar", "\32 {}");

    /*
     * If the encoding is specified, set it for the channel. Else don't touch
     * it (and use the system encoding) Report error on unknown encoding.
     */

    if (encodingName != NULL) {
................................................................................
    }

    /*
     * The eofchar is \32 (^Z). This is the usual on Windows, but we effect
     * this cross-platform to allow for scripted documents. [Bug: 2040]
     */

    Tcl_SetChannelOption(interp, chan, "-eofchar", "\32 {}");

    /*
     * If the encoding is specified, set it for the channel. Else don't touch
     * it (and use the system encoding) Report error on unknown encoding.
     */

    if (encodingName != NULL) {
................................................................................
 *     unlink. The env variable TCL_TEMPLOAD_NO_UNLINK allows detection of a
 *     users general request (unlink and not.
 *
 * By default the unlink is done (if not in AUFS). However if the variable is
 * present and set to true (any integer > 0) then the unlink is skipped.
 */

static int
skipUnlink (Tcl_Obj* shlibFile)
{
    /* Order of testing:
     * 1. On hpux we generally want to skip unlink in general
     *
     * Outside of hpux then:
     * 2. For a general user request   (TCL_TEMPLOAD_NO_UNLINK present, non-empty, => int)
     * 3. For general AUFS environment (statfs, if available).
................................................................................

    /*
     * Try to delete the file immediately - this is possible in some OSes, and
     * avoids any worries about leaving the copy laying around on exit.
     */

    if (
	!skipUnlink (copyToPtr) &&
	(Tcl_FSDeleteFile(copyToPtr) == TCL_OK)) {
	Tcl_DecrRefCount(copyToPtr);

	/*
	 * We tell our caller about the real shared library which was loaded.
	 * Note that this does mean that the package list maintained by 'load'
	 * will store the original (vfs) path alongside the temporary load
................................................................................
	if (interp != NULL) {
	    Tcl_SetObjResult(interp, Tcl_NewStringObj(
		    "cannot unload: filesystem does not support unloading",
		    -1));
	}
	return TCL_ERROR;
    }





















    if (handle->unloadFileProcPtr != NULL) {
	handle->unloadFileProcPtr(handle);
    }
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclFSUnloadTempFile --
 *

Changes to generic/tclIndexObj.c.

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    Tcl_Obj *const objv[],	/* Initial argument objects, which should be
				 * included in the error message. */
    const char *message)	/* Error message to print after the leading
				 * objects in objv. The message may be
				 * NULL. */
{
    Tcl_Obj *objPtr;
    int i, len, elemLen, flags;

    Interp *iPtr = (Interp *) interp;
    const char *elementStr;

    /*
     * [incr Tcl] does something fairly horrific when generating error
     * messages for its ensembles; it passes the whole set of ensemble
     * arguments as a list in the first argument. This means that this code






|
>







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    Tcl_Obj *const objv[],	/* Initial argument objects, which should be
				 * included in the error message. */
    const char *message)	/* Error message to print after the leading
				 * objects in objv. The message may be
				 * NULL. */
{
    Tcl_Obj *objPtr;
    int i, len, elemLen;
    char flags;
    Interp *iPtr = (Interp *) interp;
    const char *elementStr;

    /*
     * [incr Tcl] does something fairly horrific when generating error
     * messages for its ensembles; it passes the whole set of ensemble
     * arguments as a list in the first argument. This means that this code

Changes to generic/tclInt.decls.

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    int TclpGetPid(Tcl_Pid pid)
}
declare 9 win {
    int TclWinGetPlatformId(void)
}
# new for 8.4.20+/8.5.12+ Cygwin only
declare 10 win {
    Tcl_DirEntry *TclpReaddir(DIR *dir)
}
# Removed in 8.3.1 (for Win32s only)
#declare 10 win {
#    int TclWinSynchSpawn(void *args, int type, void **trans, Tcl_Pid *pidPtr)
#}

# Pipe channel functions
................................................................................
declare 9 unix {
    TclFile TclpCreateTempFile(const char *contents)
}

# Added in 8.4:

declare 10 unix {
    Tcl_DirEntry *TclpReaddir(DIR *dir)
}
# Slots 11 and 12 are forwarders for functions that were promoted to
# generic Stubs
declare 11 unix {
    struct tm *TclpLocaltime_unix(const time_t *clock)
}
declare 12 unix {






|







 







|







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    int TclpGetPid(Tcl_Pid pid)
}
declare 9 win {
    int TclWinGetPlatformId(void)
}
# new for 8.4.20+/8.5.12+ Cygwin only
declare 10 win {
    Tcl_DirEntry *TclpReaddir(TclDIR *dir)
}
# Removed in 8.3.1 (for Win32s only)
#declare 10 win {
#    int TclWinSynchSpawn(void *args, int type, void **trans, Tcl_Pid *pidPtr)
#}

# Pipe channel functions
................................................................................
declare 9 unix {
    TclFile TclpCreateTempFile(const char *contents)
}

# Added in 8.4:

declare 10 unix {
    Tcl_DirEntry *TclpReaddir(TclDIR *dir)
}
# Slots 11 and 12 are forwarders for functions that were promoted to
# generic Stubs
declare 11 unix {
    struct tm *TclpLocaltime_unix(const time_t *clock)
}
declare 12 unix {

Changes to generic/tclInt.h.

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 * commands that are actually exported by the namespace, and an epoch counter
 * that, combined with the exportLookupEpoch field of the namespace structure,
 * defines whether the table contains valid data or will need to be recomputed
 * next time the ensemble command is called.
 */

typedef struct EnsembleConfig {
    Namespace *nsPtr;		/* The namspace backing this ensemble up. */
    Tcl_Command token;		/* The token for the command that provides
				 * ensemble support for the namespace, or NULL
				 * if the command has been deleted (or never
				 * existed; the global namespace never has an
				 * ensemble command.) */
    int epoch;			/* The epoch at which this ensemble's table of
				 * exported commands is valid. */
................................................................................
 */

typedef struct CompiledLocal {
    struct CompiledLocal *nextPtr;
				/* Next compiler-recognized local variable for
				 * this procedure, or NULL if this is the last
				 * local. */
    int nameLength;		/* The number of characters in local
				 * variable's name. Used to speed up variable
				 * lookups. */
    int frameIndex;		/* Index in the array of compiler-assigned
				 * variables in the procedure call frame. */
    int flags;			/* Flag bits for the local variable. Same as
				 * the flags for the Var structure above,
				 * although only VAR_ARGUMENT, VAR_TEMPORARY,
				 * and VAR_RESOLVED make sense. */
    Tcl_Obj *defValuePtr;	/* Pointer to the default value of an
................................................................................
				 * per-interp basis. */
    union {
	void (*optimizer)(void *envPtr);
	Tcl_HashTable unused2;	/* No longer used (was mathFuncTable). The
				 * unused space in interp was repurposed for
				 * pluggable bytecode optimizers. The core
				 * contains one optimizer, which can be
				 * selectively overriden by extensions. */
    } extra;

    /*
     * Information related to procedures and variables. See tclProc.c and
     * tclVar.c for usage.
     */

................................................................................
 *			instructions. This is set 1, for example, when command
 *			traces are requested.
 * RAND_SEED_INITIALIZED: Non-zero means that the randSeed value of the interp
 *			has not be initialized. This is set 1 when we first
 *			use the rand() or srand() functions.
 * SAFE_INTERP:		Non zero means that the current interp is a safe
 *			interp (i.e. it has only the safe commands installed,
 *			less priviledge than a regular interp).
 * INTERP_DEBUG_FRAME:	Used for switching on various extra interpreter
 *			debug/info mechanisms (e.g. info frame eval/uplevel
 *			tracing) which are performance intensive.
 * INTERP_TRACE_IN_PROGRESS: Non-zero means that an interp trace is currently
 *			active; so no further trace callbacks should be
 *			invoked.
 * INTERP_ALTERNATE_WRONG_ARGS: Used for listing second and subsequent forms
................................................................................
    int maxElemCount;		/* Total number of element array slots. */
    int elemCount;		/* Current number of list elements. */
    int canonicalFlag;		/* Set if the string representation was
				 * derived from the list representation. May
				 * be ignored if there is no string rep at
				 * all.*/
    Tcl_Obj *elements;		/* First list element; the struct is grown to
				 * accomodate all elements. */
} List;

#define LIST_MAX \
	(1 + (int)(((size_t)UINT_MAX - sizeof(List))/sizeof(Tcl_Obj *)))
#define LIST_SIZE(numElems) \
	(unsigned)(sizeof(List) + (((numElems) - 1) * sizeof(Tcl_Obj *)))

................................................................................
 * TclNRLmapCmd and their compilations.
 */

#define TCL_EACH_KEEP_NONE  0	/* Discard iteration result like [foreach] */
#define TCL_EACH_COLLECT    1	/* Collect iteration result like [lmap] */

/*
 * Macros providing a faster path to integers: Tcl_GetLongFromObj everywhere,
 * Tcl_GetIntFromObj and TclGetIntForIndex on platforms where longs are ints.
 *
 * WARNING: these macros eval their args more than once.
 */

#define TclGetLongFromObj(interp, objPtr, longPtr) \
    (((objPtr)->typePtr == &tclIntType)	\
	    ? ((*(longPtr) = (objPtr)->internalRep.longValue), TCL_OK) \
................................................................................
	    : Tcl_GetIntFromObj((interp), (objPtr), (intPtr)))
#define TclGetIntForIndexM(interp, objPtr, endValue, idxPtr) \
    (((objPtr)->typePtr == &tclIntType)	\
	    ? ((*(idxPtr) = (objPtr)->internalRep.longValue), TCL_OK) \
	    : TclGetIntForIndex((interp), (objPtr), (endValue), (idxPtr)))
#else
#define TclGetIntFromObj(interp, objPtr, intPtr) \




    Tcl_GetIntFromObj((interp), (objPtr), (intPtr))
#define TclGetIntForIndexM(interp, objPtr, ignore, idxPtr)	\
    TclGetIntForIndex(interp, objPtr, ignore, idxPtr)





#endif

/*
 * Macro used to save a function call for common uses of
 * Tcl_GetWideIntFromObj(). The ANSI C "prototype" is:
 *
 * MODULE_SCOPE int TclGetWideIntFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
................................................................................
 * DICT_PATH_READ indicates that all entries on the path must exist but no
 * updates will be needed.
 *
 * DICT_PATH_UPDATE indicates that we are going to be doing an update at the
 * tip of the path, so duplication of shared objects should be done along the
 * way.
 *
 * DICT_PATH_EXISTS indicates that we are performing an existance test and a
 * lookup failure should therefore not be an error. If (and only if) this flag
 * is set, TclTraceDictPath() will return the special value
 * DICT_PATH_NON_EXISTENT if the path is not traceable.
 *
 * DICT_PATH_CREATE (which also requires the DICT_PATH_UPDATE bit to be set)
 * indicates that we are to create non-existant dictionaries on the path.
 */

#define DICT_PATH_READ		0
#define DICT_PATH_UPDATE	1
#define DICT_PATH_EXISTS	2
#define DICT_PATH_CREATE	5

................................................................................
 * the value of an empty string representation for an object. This value is
 * shared by all new objects allocated by Tcl_NewObj.
 */

MODULE_SCOPE char *	tclEmptyStringRep;
MODULE_SCOPE char	tclEmptyString;





/*
 *----------------------------------------------------------------
 * Procedures shared among Tcl modules but not used by the outside world,
 * introduced by/for NRE.
 *----------------------------------------------------------------
 */

................................................................................
MODULE_SCOPE Tcl_ObjCmdProc TclNREvalObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRCatchObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRExprObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRForObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRForeachCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRIfObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRLmapCmd;

MODULE_SCOPE Tcl_ObjCmdProc TclNRSourceObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRSubstObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRSwitchObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRTryObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRUplevelObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRWhileObjCmd;

................................................................................
MODULE_SCOPE void	TclArgumentBCEnter(Tcl_Interp *interp,
			    Tcl_Obj *objv[], int objc,
			    void *codePtr, CmdFrame *cfPtr, int cmd, int pc);
MODULE_SCOPE void	TclArgumentBCRelease(Tcl_Interp *interp,
			    CmdFrame *cfPtr);
MODULE_SCOPE void	TclArgumentGet(Tcl_Interp *interp, Tcl_Obj *obj,
			    CmdFrame **cfPtrPtr, int *wordPtr);
MODULE_SCOPE int	TclArraySet(Tcl_Interp *interp,
			    Tcl_Obj *arrayNameObj, Tcl_Obj *arrayElemObj);
MODULE_SCOPE double	TclBignumToDouble(const mp_int *bignum);
MODULE_SCOPE int	TclByteArrayMatch(const unsigned char *string,
			    int strLen, const unsigned char *pattern,
			    int ptnLen, int flags);
MODULE_SCOPE double	TclCeil(const mp_int *a);
MODULE_SCOPE void	TclChannelPreserve(Tcl_Channel chan);
MODULE_SCOPE void	TclChannelRelease(Tcl_Channel chan);


MODULE_SCOPE int	TclCheckBadOctal(Tcl_Interp *interp,
			    const char *value);

MODULE_SCOPE int	TclChanCaughtErrorBypass(Tcl_Interp *interp,
			    Tcl_Channel chan);
MODULE_SCOPE Tcl_ObjCmdProc TclChannelNamesCmd;
MODULE_SCOPE Tcl_NRPostProc TclClearRootEnsemble;
MODULE_SCOPE ContLineLoc *TclContinuationsEnter(Tcl_Obj *objPtr, int num,
			    int *loc);
MODULE_SCOPE void	TclContinuationsEnterDerived(Tcl_Obj *objPtr,
			    int start, int *clNext);
MODULE_SCOPE ContLineLoc *TclContinuationsGet(Tcl_Obj *objPtr);
MODULE_SCOPE void	TclContinuationsCopy(Tcl_Obj *objPtr,
			    Tcl_Obj *originObjPtr);
MODULE_SCOPE int	TclConvertElement(const char *src, int length,
			    char *dst, int flags);













MODULE_SCOPE void	TclDeleteNamespaceVars(Namespace *nsPtr);
MODULE_SCOPE int	TclFindDictElement(Tcl_Interp *interp,
			    const char *dict, int dictLength,
			    const char **elementPtr, const char **nextPtr,
			    int *sizePtr, int *literalPtr);
/* TIP #280 - Modified token based evulation, with line information. */
MODULE_SCOPE int	TclEvalEx(Tcl_Interp *interp, const char *script,
................................................................................
MODULE_SCOPE char *	TclDStringAppendObj(Tcl_DString *dsPtr,
			    Tcl_Obj *objPtr);
MODULE_SCOPE char *	TclDStringAppendDString(Tcl_DString *dsPtr,
			    Tcl_DString *toAppendPtr);
MODULE_SCOPE Tcl_Obj *	TclDStringToObj(Tcl_DString *dsPtr);
MODULE_SCOPE Tcl_Obj *const *	TclFetchEnsembleRoot(Tcl_Interp *interp,
			    Tcl_Obj *const *objv, int objc, int *objcPtr);




MODULE_SCOPE void	TclFinalizeAllocSubsystem(void);
MODULE_SCOPE void	TclFinalizeAsync(void);
MODULE_SCOPE void	TclFinalizeDoubleConversion(void);
MODULE_SCOPE void	TclFinalizeEncodingSubsystem(void);
MODULE_SCOPE void	TclFinalizeEnvironment(void);
MODULE_SCOPE void	TclFinalizeEvaluation(void);
MODULE_SCOPE void	TclFinalizeExecution(void);
................................................................................
MODULE_SCOPE void	TclFinalizeThreadAllocThread(void);
MODULE_SCOPE void	TclFinalizeThreadData(int quick);
MODULE_SCOPE void	TclFinalizeThreadObjects(void);
MODULE_SCOPE double	TclFloor(const mp_int *a);
MODULE_SCOPE void	TclFormatNaN(double value, char *buffer);
MODULE_SCOPE int	TclFSFileAttrIndex(Tcl_Obj *pathPtr,
			    const char *attributeName, int *indexPtr);









MODULE_SCOPE int	TclNREvalFile(Tcl_Interp *interp, Tcl_Obj *pathPtr,
			    const char *encodingName);
MODULE_SCOPE void	TclFSUnloadTempFile(Tcl_LoadHandle loadHandle);
MODULE_SCOPE int *	TclGetAsyncReadyPtr(void);
MODULE_SCOPE Tcl_Obj *	TclGetBgErrorHandler(Tcl_Interp *interp);
MODULE_SCOPE int	TclGetChannelFromObj(Tcl_Interp *interp,
			    Tcl_Obj *objPtr, Tcl_Channel *chanPtr,
................................................................................
MODULE_SCOPE void	TclInitIOSubsystem(void);
MODULE_SCOPE void	TclInitLimitSupport(Tcl_Interp *interp);
MODULE_SCOPE void	TclInitNamespaceSubsystem(void);
MODULE_SCOPE void	TclInitNotifier(void);
MODULE_SCOPE void	TclInitObjSubsystem(void);
MODULE_SCOPE void	TclInitSubsystems(void);
MODULE_SCOPE int	TclInterpReady(Tcl_Interp *interp);
MODULE_SCOPE int	TclIsSpaceProc(char byte);
MODULE_SCOPE int	TclIsBareword(char byte);
MODULE_SCOPE Tcl_Obj *	TclJoinPath(int elements, Tcl_Obj * const objv[]);

MODULE_SCOPE int	TclJoinThread(Tcl_ThreadId id, int *result);
MODULE_SCOPE void	TclLimitRemoveAllHandlers(Tcl_Interp *interp);
MODULE_SCOPE Tcl_Obj *	TclLindexList(Tcl_Interp *interp,
			    Tcl_Obj *listPtr, Tcl_Obj *argPtr);
MODULE_SCOPE Tcl_Obj *	TclLindexFlat(Tcl_Interp *interp, Tcl_Obj *listPtr,
			    int indexCount, Tcl_Obj *const indexArray[]);
/* TIP #280 */
................................................................................
MODULE_SCOPE void	TclRememberJoinableThread(Tcl_ThreadId id);
MODULE_SCOPE void	TclRememberMutex(Tcl_Mutex *mutex);
MODULE_SCOPE void	TclRemoveScriptLimitCallbacks(Tcl_Interp *interp);
MODULE_SCOPE int	TclReToGlob(Tcl_Interp *interp, const char *reStr,
			    int reStrLen, Tcl_DString *dsPtr, int *flagsPtr,
			    int *quantifiersFoundPtr);
MODULE_SCOPE int	TclScanElement(const char *string, int length,
			    int *flagPtr);
MODULE_SCOPE void	TclSetBgErrorHandler(Tcl_Interp *interp,
			    Tcl_Obj *cmdPrefix);
MODULE_SCOPE void	TclSetBignumIntRep(Tcl_Obj *objPtr,
			    mp_int *bignumValue);
MODULE_SCOPE int	TclSetBooleanFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);
MODULE_SCOPE void	TclSetCmdNameObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
			    Command *cmdPtr);
................................................................................
			    Tcl_Obj *newValue, Tcl_Encoding encoding);
MODULE_SCOPE void	TclSignalExitThread(Tcl_ThreadId id, int result);
MODULE_SCOPE void	TclSpellFix(Tcl_Interp *interp,
			    Tcl_Obj *const *objv, int objc, int subIdx,
			    Tcl_Obj *bad, Tcl_Obj *fix);
MODULE_SCOPE void *	TclStackRealloc(Tcl_Interp *interp, void *ptr,
			    int numBytes);






MODULE_SCOPE int	TclStringMatch(const char *str, int strLen,
			    const char *pattern, int ptnLen, int flags);
MODULE_SCOPE int	TclStringMatchObj(Tcl_Obj *stringObj,
			    Tcl_Obj *patternObj, int flags);
MODULE_SCOPE Tcl_Obj *	TclStringObjReverse(Tcl_Obj *objPtr);
MODULE_SCOPE void	TclSubstCompile(Tcl_Interp *interp, const char *bytes,
			    int numBytes, int flags, int line,
................................................................................
			    Tcl_Obj *const opts[], int *flagPtr);
MODULE_SCOPE void	TclSubstParse(Tcl_Interp *interp, const char *bytes,
			    int numBytes, int flags, Tcl_Parse *parsePtr,
			    Tcl_InterpState *statePtr);
MODULE_SCOPE int	TclSubstTokens(Tcl_Interp *interp, Tcl_Token *tokenPtr,
			    int count, int *tokensLeftPtr, int line,
			    int *clNextOuter, const char *outerScript);


MODULE_SCOPE int	TclTrimLeft(const char *bytes, int numBytes,
			    const char *trim, int numTrim);
MODULE_SCOPE int	TclTrimRight(const char *bytes, int numBytes,
			    const char *trim, int numTrim);
MODULE_SCOPE int	TclUtfCasecmp(const char *cs, const char *ct);
MODULE_SCOPE Tcl_Obj *	TclpNativeToNormalized(ClientData clientData);
MODULE_SCOPE Tcl_Obj *	TclpFilesystemPathType(Tcl_Obj *pathPtr);
................................................................................

MODULE_SCOPE int	TclCompareObjKeys(void *keyPtr, Tcl_HashEntry *hPtr);
MODULE_SCOPE void	TclFreeObjEntry(Tcl_HashEntry *hPtr);
MODULE_SCOPE unsigned	TclHashObjKey(Tcl_HashTable *tablePtr, void *keyPtr);

MODULE_SCOPE int	TclFullFinalizationRequested(void);
















/*
 *----------------------------------------------------------------
 * Macros used by the Tcl core to create and release Tcl objects.
 * TclNewObj(objPtr) creates a new object denoting an empty string.
 * TclDecrRefCount(objPtr) decrements the object's reference count, and frees
 * the object if its reference count is zero. These macros are inline versions
 * of Tcl_NewObj() and Tcl_DecrRefCount(). Notice that the names differ in not
................................................................................
 *
 * MODULE_SCOPE int	TclUtfToUniChar(const char *string, Tcl_UniChar *ch);
 *----------------------------------------------------------------
 */

#define TclUtfToUniChar(str, chPtr) \
	((((unsigned char) *(str)) < 0xC0) ?		\
	    ((*(chPtr) = (Tcl_UniChar) *(str)), 1)	\
	    : Tcl_UtfToUniChar(str, chPtr))

/*
 *----------------------------------------------------------------
 * Macro counterpart of the Tcl_NumUtfChars() function. To be used in speed-
 * -sensitive points where it pays to avoid a function call in the common case
 * of counting along a string of all one-byte characters.  The ANSI C
................................................................................
 *
 * MODULE_SCOPE int	TclIsPureByteArray(Tcl_Obj *objPtr);
 *----------------------------------------------------------------
 */

#define TclIsPureByteArray(objPtr) \
	(((objPtr)->typePtr==&tclByteArrayType) && ((objPtr)->bytes==NULL))






/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to compare Unicode strings. On big-endian
 * systems we can use the more efficient memcmp, but this would not be
 * lexically correct on little-endian systems. The ANSI C "prototype" for
 * this macro is:
................................................................................
#   define TclUniCharNcmp(cs,ct,n) memcmp((cs),(ct),(n)*sizeof(Tcl_UniChar))
#else /* !WORDS_BIGENDIAN */
#   define TclUniCharNcmp Tcl_UniCharNcmp
#endif /* WORDS_BIGENDIAN */

/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to increment a namespace's export export epoch
 * counter. The ANSI C "prototype" for this macro is:
 *
 * MODULE_SCOPE void	TclInvalidateNsCmdLookup(Namespace *nsPtr);
 *----------------------------------------------------------------
 */

#define TclInvalidateNsCmdLookup(nsPtr) \






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 * commands that are actually exported by the namespace, and an epoch counter
 * that, combined with the exportLookupEpoch field of the namespace structure,
 * defines whether the table contains valid data or will need to be recomputed
 * next time the ensemble command is called.
 */

typedef struct EnsembleConfig {
    Namespace *nsPtr;		/* The namespace backing this ensemble up. */
    Tcl_Command token;		/* The token for the command that provides
				 * ensemble support for the namespace, or NULL
				 * if the command has been deleted (or never
				 * existed; the global namespace never has an
				 * ensemble command.) */
    int epoch;			/* The epoch at which this ensemble's table of
				 * exported commands is valid. */
................................................................................
 */

typedef struct CompiledLocal {
    struct CompiledLocal *nextPtr;
				/* Next compiler-recognized local variable for
				 * this procedure, or NULL if this is the last
				 * local. */
    int nameLength;		/* The number of bytes in local variable's name.
				 * Among others used to speed up var lookups. */

    int frameIndex;		/* Index in the array of compiler-assigned
				 * variables in the procedure call frame. */
    int flags;			/* Flag bits for the local variable. Same as
				 * the flags for the Var structure above,
				 * although only VAR_ARGUMENT, VAR_TEMPORARY,
				 * and VAR_RESOLVED make sense. */
    Tcl_Obj *defValuePtr;	/* Pointer to the default value of an
................................................................................
				 * per-interp basis. */
    union {
	void (*optimizer)(void *envPtr);
	Tcl_HashTable unused2;	/* No longer used (was mathFuncTable). The
				 * unused space in interp was repurposed for
				 * pluggable bytecode optimizers. The core
				 * contains one optimizer, which can be
				 * selectively overridden by extensions. */
    } extra;

    /*
     * Information related to procedures and variables. See tclProc.c and
     * tclVar.c for usage.
     */

................................................................................
 *			instructions. This is set 1, for example, when command
 *			traces are requested.
 * RAND_SEED_INITIALIZED: Non-zero means that the randSeed value of the interp
 *			has not be initialized. This is set 1 when we first
 *			use the rand() or srand() functions.
 * SAFE_INTERP:		Non zero means that the current interp is a safe
 *			interp (i.e. it has only the safe commands installed,
 *			less privilege than a regular interp).
 * INTERP_DEBUG_FRAME:	Used for switching on various extra interpreter
 *			debug/info mechanisms (e.g. info frame eval/uplevel
 *			tracing) which are performance intensive.
 * INTERP_TRACE_IN_PROGRESS: Non-zero means that an interp trace is currently
 *			active; so no further trace callbacks should be
 *			invoked.
 * INTERP_ALTERNATE_WRONG_ARGS: Used for listing second and subsequent forms
................................................................................
    int maxElemCount;		/* Total number of element array slots. */
    int elemCount;		/* Current number of list elements. */
    int canonicalFlag;		/* Set if the string representation was
				 * derived from the list representation. May
				 * be ignored if there is no string rep at
				 * all.*/
    Tcl_Obj *elements;		/* First list element; the struct is grown to
				 * accommodate all elements. */
} List;

#define LIST_MAX \
	(1 + (int)(((size_t)UINT_MAX - sizeof(List))/sizeof(Tcl_Obj *)))
#define LIST_SIZE(numElems) \
	(unsigned)(sizeof(List) + (((numElems) - 1) * sizeof(Tcl_Obj *)))

................................................................................
 * TclNRLmapCmd and their compilations.
 */

#define TCL_EACH_KEEP_NONE  0	/* Discard iteration result like [foreach] */
#define TCL_EACH_COLLECT    1	/* Collect iteration result like [lmap] */

/*
 * Macros providing a faster path to integers: Tcl_GetLongFromObj,
 * Tcl_GetIntFromObj and TclGetIntForIndex.
 *
 * WARNING: these macros eval their args more than once.
 */

#define TclGetLongFromObj(interp, objPtr, longPtr) \
    (((objPtr)->typePtr == &tclIntType)	\
	    ? ((*(longPtr) = (objPtr)->internalRep.longValue), TCL_OK) \
................................................................................
	    : Tcl_GetIntFromObj((interp), (objPtr), (intPtr)))
#define TclGetIntForIndexM(interp, objPtr, endValue, idxPtr) \
    (((objPtr)->typePtr == &tclIntType)	\
	    ? ((*(idxPtr) = (objPtr)->internalRep.longValue), TCL_OK) \
	    : TclGetIntForIndex((interp), (objPtr), (endValue), (idxPtr)))
#else
#define TclGetIntFromObj(interp, objPtr, intPtr) \
    (((objPtr)->typePtr == &tclIntType \
	    && (objPtr)->internalRep.longValue >= -(Tcl_WideInt)(UINT_MAX) \
	    && (objPtr)->internalRep.longValue <= (Tcl_WideInt)(UINT_MAX))	\
	    ? ((*(intPtr) = (objPtr)->internalRep.longValue), TCL_OK) \
	    : Tcl_GetIntFromObj((interp), (objPtr), (intPtr)))
#define TclGetIntForIndexM(interp, objPtr, endValue, idxPtr) \

    (((objPtr)->typePtr == &tclIntType \
	    && (objPtr)->internalRep.longValue >= INT_MIN \
	    && (objPtr)->internalRep.longValue <= INT_MAX)	\
	    ? ((*(idxPtr) = (objPtr)->internalRep.longValue), TCL_OK) \
	    : TclGetIntForIndex((interp), (objPtr), (endValue), (idxPtr)))
#endif

/*
 * Macro used to save a function call for common uses of
 * Tcl_GetWideIntFromObj(). The ANSI C "prototype" is:
 *
 * MODULE_SCOPE int TclGetWideIntFromObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
................................................................................
 * DICT_PATH_READ indicates that all entries on the path must exist but no
 * updates will be needed.
 *
 * DICT_PATH_UPDATE indicates that we are going to be doing an update at the
 * tip of the path, so duplication of shared objects should be done along the
 * way.
 *
 * DICT_PATH_EXISTS indicates that we are performing an existence test and a
 * lookup failure should therefore not be an error. If (and only if) this flag
 * is set, TclTraceDictPath() will return the special value
 * DICT_PATH_NON_EXISTENT if the path is not traceable.
 *
 * DICT_PATH_CREATE (which also requires the DICT_PATH_UPDATE bit to be set)
 * indicates that we are to create non-existent dictionaries on the path.
 */

#define DICT_PATH_READ		0
#define DICT_PATH_UPDATE	1
#define DICT_PATH_EXISTS	2
#define DICT_PATH_CREATE	5

................................................................................
 * the value of an empty string representation for an object. This value is
 * shared by all new objects allocated by Tcl_NewObj.
 */

MODULE_SCOPE char *	tclEmptyStringRep;
MODULE_SCOPE char	tclEmptyString;

enum CheckEmptyStringResult {
	TCL_EMPTYSTRING_UNKNOWN = -1, TCL_EMPTYSTRING_NO, TCL_EMPTYSTRING_YES
};

/*
 *----------------------------------------------------------------
 * Procedures shared among Tcl modules but not used by the outside world,
 * introduced by/for NRE.
 *----------------------------------------------------------------
 */

................................................................................
MODULE_SCOPE Tcl_ObjCmdProc TclNREvalObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRCatchObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRExprObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRForObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRForeachCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRIfObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRLmapCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRPackageObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRSourceObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRSubstObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRSwitchObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRTryObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRUplevelObjCmd;
MODULE_SCOPE Tcl_ObjCmdProc TclNRWhileObjCmd;

................................................................................
MODULE_SCOPE void	TclArgumentBCEnter(Tcl_Interp *interp,
			    Tcl_Obj *objv[], int objc,
			    void *codePtr, CmdFrame *cfPtr, int cmd, int pc);
MODULE_SCOPE void	TclArgumentBCRelease(Tcl_Interp *interp,
			    CmdFrame *cfPtr);
MODULE_SCOPE void	TclArgumentGet(Tcl_Interp *interp, Tcl_Obj *obj,
			    CmdFrame **cfPtrPtr, int *wordPtr);


MODULE_SCOPE double	TclBignumToDouble(const mp_int *bignum);
MODULE_SCOPE int	TclByteArrayMatch(const unsigned char *string,
			    int strLen, const unsigned char *pattern,
			    int ptnLen, int flags);
MODULE_SCOPE double	TclCeil(const mp_int *a);
MODULE_SCOPE void	TclChannelPreserve(Tcl_Channel chan);
MODULE_SCOPE void	TclChannelRelease(Tcl_Channel chan);
MODULE_SCOPE int	TclCheckArrayTraces(Tcl_Interp *interp, Var *varPtr,
			    Var *arrayPtr, Tcl_Obj *name, int index);
MODULE_SCOPE int	TclCheckBadOctal(Tcl_Interp *interp,
			    const char *value);
MODULE_SCOPE int	TclCheckEmptyString(Tcl_Obj *objPtr);
MODULE_SCOPE int	TclChanCaughtErrorBypass(Tcl_Interp *interp,
			    Tcl_Channel chan);
MODULE_SCOPE Tcl_ObjCmdProc TclChannelNamesCmd;
MODULE_SCOPE Tcl_NRPostProc TclClearRootEnsemble;
MODULE_SCOPE ContLineLoc *TclContinuationsEnter(Tcl_Obj *objPtr, int num,
			    int *loc);
MODULE_SCOPE void	TclContinuationsEnterDerived(Tcl_Obj *objPtr,
			    int start, int *clNext);
MODULE_SCOPE ContLineLoc *TclContinuationsGet(Tcl_Obj *objPtr);
MODULE_SCOPE void	TclContinuationsCopy(Tcl_Obj *objPtr,
			    Tcl_Obj *originObjPtr);
MODULE_SCOPE int	TclConvertElement(const char *src, int length,
			    char *dst, int flags);
MODULE_SCOPE Tcl_Command TclCreateObjCommandInNs (
			    Tcl_Interp *interp,
			    const char *cmdName,
			    Tcl_Namespace *nsPtr,
			    Tcl_ObjCmdProc *proc,
			    ClientData clientData,
			    Tcl_CmdDeleteProc *deleteProc);
MODULE_SCOPE Tcl_Command TclCreateEnsembleInNs(
			    Tcl_Interp *interp,
			    const char *name,
			    Tcl_Namespace *nameNamespacePtr,
			    Tcl_Namespace *ensembleNamespacePtr,
			    int flags);
MODULE_SCOPE void	TclDeleteNamespaceVars(Namespace *nsPtr);
MODULE_SCOPE int	TclFindDictElement(Tcl_Interp *interp,
			    const char *dict, int dictLength,
			    const char **elementPtr, const char **nextPtr,
			    int *sizePtr, int *literalPtr);
/* TIP #280 - Modified token based evulation, with line information. */
MODULE_SCOPE int	TclEvalEx(Tcl_Interp *interp, const char *script,
................................................................................
MODULE_SCOPE char *	TclDStringAppendObj(Tcl_DString *dsPtr,
			    Tcl_Obj *objPtr);
MODULE_SCOPE char *	TclDStringAppendDString(Tcl_DString *dsPtr,
			    Tcl_DString *toAppendPtr);
MODULE_SCOPE Tcl_Obj *	TclDStringToObj(Tcl_DString *dsPtr);
MODULE_SCOPE Tcl_Obj *const *	TclFetchEnsembleRoot(Tcl_Interp *interp,
			    Tcl_Obj *const *objv, int objc, int *objcPtr);
MODULE_SCOPE Tcl_Namespace * 	TclEnsureNamespace(
			    Tcl_Interp *interp,
			    Tcl_Namespace *namespacePtr);

MODULE_SCOPE void	TclFinalizeAllocSubsystem(void);
MODULE_SCOPE void	TclFinalizeAsync(void);
MODULE_SCOPE void	TclFinalizeDoubleConversion(void);
MODULE_SCOPE void	TclFinalizeEncodingSubsystem(void);
MODULE_SCOPE void	TclFinalizeEnvironment(void);
MODULE_SCOPE void	TclFinalizeEvaluation(void);
MODULE_SCOPE void	TclFinalizeExecution(void);
................................................................................
MODULE_SCOPE void	TclFinalizeThreadAllocThread(void);
MODULE_SCOPE void	TclFinalizeThreadData(int quick);
MODULE_SCOPE void	TclFinalizeThreadObjects(void);
MODULE_SCOPE double	TclFloor(const mp_int *a);
MODULE_SCOPE void	TclFormatNaN(double value, char *buffer);
MODULE_SCOPE int	TclFSFileAttrIndex(Tcl_Obj *pathPtr,
			    const char *attributeName, int *indexPtr);
MODULE_SCOPE Tcl_Command TclNRCreateCommandInNs (
			    Tcl_Interp *interp,
			    const char *cmdName,
			    Tcl_Namespace *nsPtr,
			    Tcl_ObjCmdProc *proc,
			    Tcl_ObjCmdProc *nreProc,
			    ClientData clientData,
			    Tcl_CmdDeleteProc *deleteProc);

MODULE_SCOPE int	TclNREvalFile(Tcl_Interp *interp, Tcl_Obj *pathPtr,
			    const char *encodingName);
MODULE_SCOPE void	TclFSUnloadTempFile(Tcl_LoadHandle loadHandle);
MODULE_SCOPE int *	TclGetAsyncReadyPtr(void);
MODULE_SCOPE Tcl_Obj *	TclGetBgErrorHandler(Tcl_Interp *interp);
MODULE_SCOPE int	TclGetChannelFromObj(Tcl_Interp *interp,
			    Tcl_Obj *objPtr, Tcl_Channel *chanPtr,
................................................................................
MODULE_SCOPE void	TclInitIOSubsystem(void);
MODULE_SCOPE void	TclInitLimitSupport(Tcl_Interp *interp);
MODULE_SCOPE void	TclInitNamespaceSubsystem(void);
MODULE_SCOPE void	TclInitNotifier(void);
MODULE_SCOPE void	TclInitObjSubsystem(void);
MODULE_SCOPE void	TclInitSubsystems(void);
MODULE_SCOPE int	TclInterpReady(Tcl_Interp *interp);
MODULE_SCOPE int	TclIsSpaceProc(int byte);
MODULE_SCOPE int	TclIsBareword(int byte);
MODULE_SCOPE Tcl_Obj *	TclJoinPath(int elements, Tcl_Obj * const objv[],
			    int forceRelative);
MODULE_SCOPE int	TclJoinThread(Tcl_ThreadId id, int *result);
MODULE_SCOPE void	TclLimitRemoveAllHandlers(Tcl_Interp *interp);
MODULE_SCOPE Tcl_Obj *	TclLindexList(Tcl_Interp *interp,
			    Tcl_Obj *listPtr, Tcl_Obj *argPtr);
MODULE_SCOPE Tcl_Obj *	TclLindexFlat(Tcl_Interp *interp, Tcl_Obj *listPtr,
			    int indexCount, Tcl_Obj *const indexArray[]);
/* TIP #280 */
................................................................................
MODULE_SCOPE void	TclRememberJoinableThread(Tcl_ThreadId id);
MODULE_SCOPE void	TclRememberMutex(Tcl_Mutex *mutex);
MODULE_SCOPE void	TclRemoveScriptLimitCallbacks(Tcl_Interp *interp);
MODULE_SCOPE int	TclReToGlob(Tcl_Interp *interp, const char *reStr,
			    int reStrLen, Tcl_DString *dsPtr, int *flagsPtr,
			    int *quantifiersFoundPtr);
MODULE_SCOPE int	TclScanElement(const char *string, int length,
			    char *flagPtr);
MODULE_SCOPE void	TclSetBgErrorHandler(Tcl_Interp *interp,
			    Tcl_Obj *cmdPrefix);
MODULE_SCOPE void	TclSetBignumIntRep(Tcl_Obj *objPtr,
			    mp_int *bignumValue);
MODULE_SCOPE int	TclSetBooleanFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);
MODULE_SCOPE void	TclSetCmdNameObj(Tcl_Interp *interp, Tcl_Obj *objPtr,
			    Command *cmdPtr);
................................................................................
			    Tcl_Obj *newValue, Tcl_Encoding encoding);
MODULE_SCOPE void	TclSignalExitThread(Tcl_ThreadId id, int result);
MODULE_SCOPE void	TclSpellFix(Tcl_Interp *interp,
			    Tcl_Obj *const *objv, int objc, int subIdx,
			    Tcl_Obj *bad, Tcl_Obj *fix);
MODULE_SCOPE void *	TclStackRealloc(Tcl_Interp *interp, void *ptr,
			    int numBytes);

typedef int (*memCmpFn_t)(const void*, const void*, size_t);
MODULE_SCOPE int	TclStringCmp (Tcl_Obj *value1Ptr, Tcl_Obj *value2Ptr,
			    int checkEq, int nocase, int reqlength);
MODULE_SCOPE int	TclStringCmpOpts (Tcl_Interp *interp, int objc, Tcl_Obj *const objv[],
			    int *nocase, int *reqlength);
MODULE_SCOPE int	TclStringMatch(const char *str, int strLen,
			    const char *pattern, int ptnLen, int flags);
MODULE_SCOPE int	TclStringMatchObj(Tcl_Obj *stringObj,
			    Tcl_Obj *patternObj, int flags);
MODULE_SCOPE Tcl_Obj *	TclStringObjReverse(Tcl_Obj *objPtr);
MODULE_SCOPE void	TclSubstCompile(Tcl_Interp *interp, const char *bytes,
			    int numBytes, int flags, int line,
................................................................................
			    Tcl_Obj *const opts[], int *flagPtr);
MODULE_SCOPE void	TclSubstParse(Tcl_Interp *interp, const char *bytes,
			    int numBytes, int flags, Tcl_Parse *parsePtr,
			    Tcl_InterpState *statePtr);
MODULE_SCOPE int	TclSubstTokens(Tcl_Interp *interp, Tcl_Token *tokenPtr,
			    int count, int *tokensLeftPtr, int line,
			    int *clNextOuter, const char *outerScript);
MODULE_SCOPE int	TclTrim(const char *bytes, int numBytes,
			    const char *trim, int numTrim, int *trimRight);
MODULE_SCOPE int	TclTrimLeft(const char *bytes, int numBytes,
			    const char *trim, int numTrim);
MODULE_SCOPE int	TclTrimRight(const char *bytes, int numBytes,
			    const char *trim, int numTrim);
MODULE_SCOPE int	TclUtfCasecmp(const char *cs, const char *ct);
MODULE_SCOPE Tcl_Obj *	TclpNativeToNormalized(ClientData clientData);
MODULE_SCOPE Tcl_Obj *	TclpFilesystemPathType(Tcl_Obj *pathPtr);
................................................................................

MODULE_SCOPE int	TclCompareObjKeys(void *keyPtr, Tcl_HashEntry *hPtr);
MODULE_SCOPE void	TclFreeObjEntry(Tcl_HashEntry *hPtr);
MODULE_SCOPE unsigned	TclHashObjKey(Tcl_HashTable *tablePtr, void *keyPtr);

MODULE_SCOPE int	TclFullFinalizationRequested(void);

/*
 * Utility routines for encoding index values as integers. Used by both
 * some of the command compilers and by [lsort] and [lsearch].
 */

MODULE_SCOPE int	TclIndexEncode(Tcl_Interp *interp, Tcl_Obj *objPtr,
			    int before, int after, int *indexPtr);
MODULE_SCOPE int	TclIndexDecode(int encoded, int endValue);

/* Constants used in index value encoding routines. */
#define TCL_INDEX_END           (-2)
#define TCL_INDEX_BEFORE        (-1)
#define TCL_INDEX_START         (0)
#define TCL_INDEX_AFTER         (INT_MAX)

/*
 *----------------------------------------------------------------
 * Macros used by the Tcl core to create and release Tcl objects.
 * TclNewObj(objPtr) creates a new object denoting an empty string.
 * TclDecrRefCount(objPtr) decrements the object's reference count, and frees
 * the object if its reference count is zero. These macros are inline versions
 * of Tcl_NewObj() and Tcl_DecrRefCount(). Notice that the names differ in not
................................................................................
 *
 * MODULE_SCOPE int	TclUtfToUniChar(const char *string, Tcl_UniChar *ch);
 *----------------------------------------------------------------
 */

#define TclUtfToUniChar(str, chPtr) \
	((((unsigned char) *(str)) < 0xC0) ?		\
	    ((*(chPtr) = (unsigned char) *(str)), 1)	\
	    : Tcl_UtfToUniChar(str, chPtr))

/*
 *----------------------------------------------------------------
 * Macro counterpart of the Tcl_NumUtfChars() function. To be used in speed-
 * -sensitive points where it pays to avoid a function call in the common case
 * of counting along a string of all one-byte characters.  The ANSI C
................................................................................
 *
 * MODULE_SCOPE int	TclIsPureByteArray(Tcl_Obj *objPtr);
 *----------------------------------------------------------------
 */

#define TclIsPureByteArray(objPtr) \
	(((objPtr)->typePtr==&tclByteArrayType) && ((objPtr)->bytes==NULL))
#define TclIsPureDict(objPtr) \
	(((objPtr)->bytes==NULL) && ((objPtr)->typePtr==&tclDictType))

#define TclIsPureList(objPtr) \
	(((objPtr)->bytes==NULL) && ((objPtr)->typePtr==&tclListType))

/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to compare Unicode strings. On big-endian
 * systems we can use the more efficient memcmp, but this would not be
 * lexically correct on little-endian systems. The ANSI C "prototype" for
 * this macro is:
................................................................................
#   define TclUniCharNcmp(cs,ct,n) memcmp((cs),(ct),(n)*sizeof(Tcl_UniChar))
#else /* !WORDS_BIGENDIAN */
#   define TclUniCharNcmp Tcl_UniCharNcmp
#endif /* WORDS_BIGENDIAN */

/*
 *----------------------------------------------------------------
 * Macro used by the Tcl core to increment a namespace's export epoch
 * counter. The ANSI C "prototype" for this macro is:
 *
 * MODULE_SCOPE void	TclInvalidateNsCmdLookup(Namespace *nsPtr);
 *----------------------------------------------------------------
 */

#define TclInvalidateNsCmdLookup(nsPtr) \

Changes to generic/tclIntDecls.h.

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 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifndef _TCLINTDECLS
#define _TCLINTDECLS

#include "tclPort.h"

#undef TCL_STORAGE_CLASS
#ifdef BUILD_tcl
#   define TCL_STORAGE_CLASS DLLEXPORT
#else
#   ifdef USE_TCL_STUBS
#      define TCL_STORAGE_CLASS






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 * See the file "license.terms" for information on usage and redistribution
 * of this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifndef _TCLINTDECLS
#define _TCLINTDECLS



#undef TCL_STORAGE_CLASS
#ifdef BUILD_tcl
#   define TCL_STORAGE_CLASS DLLEXPORT
#else
#   ifdef USE_TCL_STUBS
#      define TCL_STORAGE_CLASS

Changes to generic/tclIntPlatDecls.h.

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 * Copyright (c) 1998-1999 by Scriptics Corporation.
 * All rights reserved.
 */

#ifndef _TCLINTPLATDECLS
#define _TCLINTPLATDECLS

#ifdef _WIN32
#   define Tcl_DirEntry void
#   define DIR void
#endif

#undef TCL_STORAGE_CLASS
#ifdef BUILD_tcl
#   define TCL_STORAGE_CLASS DLLEXPORT
#else
#   ifdef USE_TCL_STUBS
#      define TCL_STORAGE_CLASS
#   else
................................................................................
/* 7 */
EXTERN TclFile		TclpOpenFile(const char *fname, int mode);
/* 8 */
EXTERN int		TclUnixWaitForFile(int fd, int mask, int timeout);
/* 9 */
EXTERN TclFile		TclpCreateTempFile(const char *contents);
/* 10 */
EXTERN Tcl_DirEntry *	TclpReaddir(DIR *dir);
/* 11 */
EXTERN struct tm *	TclpLocaltime_unix(const time_t *clock);
/* 12 */
EXTERN struct tm *	TclpGmtime_unix(const time_t *clock);
/* 13 */
EXTERN char *		TclpInetNtoa(struct in_addr addr);
/* 14 */
................................................................................
EXTERN int		TclWinSetSockOpt(SOCKET s, int level, int optname,
				const char *optval, int optlen);
/* 8 */
EXTERN int		TclpGetPid(Tcl_Pid pid);
/* 9 */
EXTERN int		TclWinGetPlatformId(void);
/* 10 */
EXTERN Tcl_DirEntry *	TclpReaddir(DIR *dir);
/* 11 */
EXTERN void		TclGetAndDetachPids(Tcl_Interp *interp,
				Tcl_Channel chan);
/* 12 */
EXTERN int		TclpCloseFile(TclFile file);
/* 13 */
EXTERN Tcl_Channel	TclpCreateCommandChannel(TclFile readFile,
................................................................................
/* 7 */
EXTERN TclFile		TclpOpenFile(const char *fname, int mode);
/* 8 */
EXTERN int		TclUnixWaitForFile(int fd, int mask, int timeout);
/* 9 */
EXTERN TclFile		TclpCreateTempFile(const char *contents);
/* 10 */
EXTERN Tcl_DirEntry *	TclpReaddir(DIR *dir);
/* 11 */
EXTERN struct tm *	TclpLocaltime_unix(const time_t *clock);
/* 12 */
EXTERN struct tm *	TclpGmtime_unix(const time_t *clock);
/* 13 */
EXTERN char *		TclpInetNtoa(struct in_addr addr);
/* 14 */
................................................................................
    int (*tclpCreatePipe) (TclFile *readPipe, TclFile *writePipe); /* 3 */
    int (*tclpCreateProcess) (Tcl_Interp *interp, int argc, const char **argv, TclFile inputFile, TclFile outputFile, TclFile errorFile, Tcl_Pid *pidPtr); /* 4 */
    void (*reserved5)(void);
    TclFile (*tclpMakeFile) (Tcl_Channel channel, int direction); /* 6 */
    TclFile (*tclpOpenFile) (const char *fname, int mode); /* 7 */
    int (*tclUnixWaitForFile) (int fd, int mask, int timeout); /* 8 */
    TclFile (*tclpCreateTempFile) (const char *contents); /* 9 */
    Tcl_DirEntry * (*tclpReaddir) (DIR *dir); /* 10 */
    struct tm * (*tclpLocaltime_unix) (const time_t *clock); /* 11 */
    struct tm * (*tclpGmtime_unix) (const time_t *clock); /* 12 */
    char * (*tclpInetNtoa) (struct in_addr addr); /* 13 */
    int (*tclUnixCopyFile) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr, int dontCopyAtts); /* 14 */
    void (*reserved15)(void);
    void (*reserved16)(void);
    void (*reserved17)(void);
................................................................................
    int (*tclWinGetSockOpt) (SOCKET s, int level, int optname, char *optval, int *optlen); /* 3 */
    HINSTANCE (*tclWinGetTclInstance) (void); /* 4 */
    int (*tclUnixWaitForFile) (int fd, int mask, int timeout); /* 5 */
    unsigned short (*tclWinNToHS) (unsigned short ns); /* 6 */
    int (*tclWinSetSockOpt) (SOCKET s, int level, int optname, const char *optval, int optlen); /* 7 */
    int (*tclpGetPid) (Tcl_Pid pid); /* 8 */
    int (*tclWinGetPlatformId) (void); /* 9 */
    Tcl_DirEntry * (*tclpReaddir) (DIR *dir); /* 10 */
    void (*tclGetAndDetachPids) (Tcl_Interp *interp, Tcl_Channel chan); /* 11 */
    int (*tclpCloseFile) (TclFile file); /* 12 */
    Tcl_Channel (*tclpCreateCommandChannel) (TclFile readFile, TclFile writeFile, TclFile errorFile, int numPids, Tcl_Pid *pidPtr); /* 13 */
    int (*tclpCreatePipe) (TclFile *readPipe, TclFile *writePipe); /* 14 */
    int (*tclpCreateProcess) (Tcl_Interp *interp, int argc, const char **argv, TclFile inputFile, TclFile outputFile, TclFile errorFile, Tcl_Pid *pidPtr); /* 15 */
    int (*tclpIsAtty) (int fd); /* 16 */
    int (*tclUnixCopyFile) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr, int dontCopyAtts); /* 17 */
................................................................................
    int (*tclpCreatePipe) (TclFile *readPipe, TclFile *writePipe); /* 3 */
    int (*tclpCreateProcess) (Tcl_Interp *interp, int argc, const char **argv, TclFile inputFile, TclFile outputFile, TclFile errorFile, Tcl_Pid *pidPtr); /* 4 */
    void (*reserved5)(void);
    TclFile (*tclpMakeFile) (Tcl_Channel channel, int direction); /* 6 */
    TclFile (*tclpOpenFile) (const char *fname, int mode); /* 7 */
    int (*tclUnixWaitForFile) (int fd, int mask, int timeout); /* 8 */
    TclFile (*tclpCreateTempFile) (const char *contents); /* 9 */
    Tcl_DirEntry * (*tclpReaddir) (DIR *dir); /* 10 */
    struct tm * (*tclpLocaltime_unix) (const time_t *clock); /* 11 */
    struct tm * (*tclpGmtime_unix) (const time_t *clock); /* 12 */
    char * (*tclpInetNtoa) (struct in_addr addr); /* 13 */
    int (*tclUnixCopyFile) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr, int dontCopyAtts); /* 14 */
    int (*tclMacOSXGetFileAttribute) (Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj **attributePtrPtr); /* 15 */
    int (*tclMacOSXSetFileAttribute) (Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj *attributePtr); /* 16 */
    int (*tclMacOSXCopyFileAttributes) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr); /* 17 */






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 * Copyright (c) 1998-1999 by Scriptics Corporation.
 * All rights reserved.
 */

#ifndef _TCLINTPLATDECLS
#define _TCLINTPLATDECLS






#undef TCL_STORAGE_CLASS
#ifdef BUILD_tcl
#   define TCL_STORAGE_CLASS DLLEXPORT
#else
#   ifdef USE_TCL_STUBS
#      define TCL_STORAGE_CLASS
#   else
................................................................................
/* 7 */
EXTERN TclFile		TclpOpenFile(const char *fname, int mode);
/* 8 */
EXTERN int		TclUnixWaitForFile(int fd, int mask, int timeout);
/* 9 */
EXTERN TclFile		TclpCreateTempFile(const char *contents);
/* 10 */
EXTERN Tcl_DirEntry *	TclpReaddir(TclDIR *dir);
/* 11 */
EXTERN struct tm *	TclpLocaltime_unix(const time_t *clock);
/* 12 */
EXTERN struct tm *	TclpGmtime_unix(const time_t *clock);
/* 13 */
EXTERN char *		TclpInetNtoa(struct in_addr addr);
/* 14 */
................................................................................
EXTERN int		TclWinSetSockOpt(SOCKET s, int level, int optname,
				const char *optval, int optlen);
/* 8 */
EXTERN int		TclpGetPid(Tcl_Pid pid);
/* 9 */
EXTERN int		TclWinGetPlatformId(void);
/* 10 */
EXTERN Tcl_DirEntry *	TclpReaddir(TclDIR *dir);
/* 11 */
EXTERN void		TclGetAndDetachPids(Tcl_Interp *interp,
				Tcl_Channel chan);
/* 12 */
EXTERN int		TclpCloseFile(TclFile file);
/* 13 */
EXTERN Tcl_Channel	TclpCreateCommandChannel(TclFile readFile,
................................................................................
/* 7 */
EXTERN TclFile		TclpOpenFile(const char *fname, int mode);
/* 8 */
EXTERN int		TclUnixWaitForFile(int fd, int mask, int timeout);
/* 9 */
EXTERN TclFile		TclpCreateTempFile(const char *contents);
/* 10 */
EXTERN Tcl_DirEntry *	TclpReaddir(TclDIR *dir);
/* 11 */
EXTERN struct tm *	TclpLocaltime_unix(const time_t *clock);
/* 12 */
EXTERN struct tm *	TclpGmtime_unix(const time_t *clock);
/* 13 */
EXTERN char *		TclpInetNtoa(struct in_addr addr);
/* 14 */
................................................................................
    int (*tclpCreatePipe) (TclFile *readPipe, TclFile *writePipe); /* 3 */
    int (*tclpCreateProcess) (Tcl_Interp *interp, int argc, const char **argv, TclFile inputFile, TclFile outputFile, TclFile errorFile, Tcl_Pid *pidPtr); /* 4 */
    void (*reserved5)(void);
    TclFile (*tclpMakeFile) (Tcl_Channel channel, int direction); /* 6 */
    TclFile (*tclpOpenFile) (const char *fname, int mode); /* 7 */
    int (*tclUnixWaitForFile) (int fd, int mask, int timeout); /* 8 */
    TclFile (*tclpCreateTempFile) (const char *contents); /* 9 */
    Tcl_DirEntry * (*tclpReaddir) (TclDIR *dir); /* 10 */
    struct tm * (*tclpLocaltime_unix) (const time_t *clock); /* 11 */
    struct tm * (*tclpGmtime_unix) (const time_t *clock); /* 12 */
    char * (*tclpInetNtoa) (struct in_addr addr); /* 13 */
    int (*tclUnixCopyFile) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr, int dontCopyAtts); /* 14 */
    void (*reserved15)(void);
    void (*reserved16)(void);
    void (*reserved17)(void);
................................................................................
    int (*tclWinGetSockOpt) (SOCKET s, int level, int optname, char *optval, int *optlen); /* 3 */
    HINSTANCE (*tclWinGetTclInstance) (void); /* 4 */
    int (*tclUnixWaitForFile) (int fd, int mask, int timeout); /* 5 */
    unsigned short (*tclWinNToHS) (unsigned short ns); /* 6 */
    int (*tclWinSetSockOpt) (SOCKET s, int level, int optname, const char *optval, int optlen); /* 7 */
    int (*tclpGetPid) (Tcl_Pid pid); /* 8 */
    int (*tclWinGetPlatformId) (void); /* 9 */
    Tcl_DirEntry * (*tclpReaddir) (TclDIR *dir); /* 10 */
    void (*tclGetAndDetachPids) (Tcl_Interp *interp, Tcl_Channel chan); /* 11 */
    int (*tclpCloseFile) (TclFile file); /* 12 */
    Tcl_Channel (*tclpCreateCommandChannel) (TclFile readFile, TclFile writeFile, TclFile errorFile, int numPids, Tcl_Pid *pidPtr); /* 13 */
    int (*tclpCreatePipe) (TclFile *readPipe, TclFile *writePipe); /* 14 */
    int (*tclpCreateProcess) (Tcl_Interp *interp, int argc, const char **argv, TclFile inputFile, TclFile outputFile, TclFile errorFile, Tcl_Pid *pidPtr); /* 15 */
    int (*tclpIsAtty) (int fd); /* 16 */
    int (*tclUnixCopyFile) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr, int dontCopyAtts); /* 17 */
................................................................................
    int (*tclpCreatePipe) (TclFile *readPipe, TclFile *writePipe); /* 3 */
    int (*tclpCreateProcess) (Tcl_Interp *interp, int argc, const char **argv, TclFile inputFile, TclFile outputFile, TclFile errorFile, Tcl_Pid *pidPtr); /* 4 */
    void (*reserved5)(void);
    TclFile (*tclpMakeFile) (Tcl_Channel channel, int direction); /* 6 */
    TclFile (*tclpOpenFile) (const char *fname, int mode); /* 7 */
    int (*tclUnixWaitForFile) (int fd, int mask, int timeout); /* 8 */
    TclFile (*tclpCreateTempFile) (const char *contents); /* 9 */
    Tcl_DirEntry * (*tclpReaddir) (TclDIR *dir); /* 10 */
    struct tm * (*tclpLocaltime_unix) (const time_t *clock); /* 11 */
    struct tm * (*tclpGmtime_unix) (const time_t *clock); /* 12 */
    char * (*tclpInetNtoa) (struct in_addr addr); /* 13 */
    int (*tclUnixCopyFile) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr, int dontCopyAtts); /* 14 */
    int (*tclMacOSXGetFileAttribute) (Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj **attributePtrPtr); /* 15 */
    int (*tclMacOSXSetFileAttribute) (Tcl_Interp *interp, int objIndex, Tcl_Obj *fileName, Tcl_Obj *attributePtr); /* 16 */
    int (*tclMacOSXCopyFileAttributes) (const char *src, const char *dst, const Tcl_StatBuf *statBufPtr); /* 17 */

Changes to generic/tclLink.c.

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static int SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);

static Tcl_ObjType invalidRealType = {
    "invalidReal",			/* name */
    NULL,				/* freeIntRepProc */
    NULL,				/* dupIntRepProc */
    NULL,				/* updateStringProc */
    SetInvalidRealFromAny		/* setFromAnyProc */
};

static int
SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr) {
    int length;
    const char *str;
    const char *endPtr;






|







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static int SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr);

static Tcl_ObjType invalidRealType = {
    "invalidReal",			/* name */
    NULL,				/* freeIntRepProc */
    NULL,				/* dupIntRepProc */
    NULL,				/* updateStringProc */
    NULL				/* setFromAnyProc */
};

static int
SetInvalidRealFromAny(Tcl_Interp *interp, Tcl_Obj *objPtr) {
    int length;
    const char *str;
    const char *endPtr;

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#endif
 
/*
 *----------------------------------------------------------------------
 *
 * NewListIntRep --
 *
 *	Creates a list internal rep with space for objc elements.  objc
 *	must be > 0.  If objv!=NULL, initializes with the first objc values
 *	in that array.  If objv==NULL, initalize list internal rep to have
 *	0 elements, with space to add objc more.  Flag value "p" indicates
 *	how to behave on failure.
 *
 * Results:
 *	A new List struct with refCount 0 is returned. If some failure

 *	prevents this then if p=0, NULL is returned and otherwise the
 *	routine panics.

 *
 * Side effects:
 *	The ref counts of the elements in objv are incremented since the
 *	resulting list now refers to them.



 *
 *----------------------------------------------------------------------
 */

static List *
NewListIntRep(
    int objc,
................................................................................
    }
    return listRepPtr;
}
 
/*
 *----------------------------------------------------------------------
 *
 * AttemptNewList --
 *
 *	Creates a list internal rep with space for objc elements.  objc
 *	must be > 0.  If objv!=NULL, initializes with the first objc values
 *	in that array.  If objv==NULL, initalize list internal rep to have
 *	0 elements, with space to add objc more.
 *
 * Results:
 *	A new List struct with refCount 0 is returned. If some failure
 *	prevents this then NULL is returned, and an error message is left
 *	in the interp result, unless interp is NULL.
 *
 * Side effects:
 *	The ref counts of the elements in objv are incremented since the
 *	resulting list now refers to them.
 *
 *----------------------------------------------------------------------
 */

static List *
AttemptNewList(
    Tcl_Interp *interp,
    int objc,
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_NewListObj --
 *
 *	This function is normally called when not debugging: i.e., when
 *	TCL_MEM_DEBUG is not defined. It creates a new list object from an
 *	(objc,objv) array: that is, each of the objc elements of the array
 *	referenced by objv is inserted as an element into a new Tcl object.
 *
 *	When TCL_MEM_DEBUG is defined, this function just returns the result
 *	of calling the debugging version Tcl_DbNewListObj.
 *
 * Results:
 *	A new list object is returned that is initialized from the object
 *	pointers in objv. If objc is less than or equal to zero, an empty
 *	object is returned. The new object's string representation is left
 *	NULL. The resulting new list object has ref count 0.
 *
 * Side effects:
 *	The ref counts of the elements in objv are incremented since the
 *	resulting list now refers to them.
 *
 *----------------------------------------------------------------------
 */

#ifdef TCL_MEM_DEBUG
#undef Tcl_NewListObj

................................................................................
    return listPtr;
}
#endif /* if TCL_MEM_DEBUG */
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_DbNewListObj --
 *
 *	This function is normally called when debugging: i.e., when
 *	TCL_MEM_DEBUG is defined. It creates new list objects. It is the same
 *	as the Tcl_NewListObj function above except that it calls
 *	Tcl_DbCkalloc directly with the file name and line number from its
 *	caller. This simplifies debugging since then the [memory active]
 *	command will report the correct file name and line number when
 *	reporting objects that haven't been freed.
 *
 *	When TCL_MEM_DEBUG is not defined, this function just returns the
 *	result of calling Tcl_NewListObj.
 *
 * Results:
 *	A new list object is returned that is initialized from the object
 *	pointers in objv. If objc is less than or equal to zero, an empty
 *	object is returned. The new object's string representation is left
 *	NULL. The new list object has ref count 0.
 *
 * Side effects:
 *	The ref counts of the elements in objv are incremented since the
 *	resulting list now refers to them.
 *
 *----------------------------------------------------------------------
 */

#ifdef TCL_MEM_DEBUG

Tcl_Obj *
................................................................................
#endif /* TCL_MEM_DEBUG */
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_SetListObj --
 *
 *	Modify an object to be a list containing each of the objc elements of
 *	the object array referenced by objv.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The object is made a list object and is initialized from the object
 *	pointers in objv. If objc is less than or equal to zero, an empty
 *	object is returned. The new object's string representation is left
 *	NULL. The ref counts of the elements in objv are incremented since the
 *	list now refers to them. The object's old string and internal
 *	representations are freed and its type is set NULL.
 *
 *----------------------------------------------------------------------
 */

void
Tcl_SetListObj(
    Tcl_Obj *objPtr,		/* Object whose internal rep to init. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclListObjCopy --
 *
 *	Makes a "pure list" copy of a list value. This provides for the C
 *	level a counterpart of the [lrange $list 0 end] command, while using
 *	internals details to be as efficient as possible.
 *
 * Results:
 *	Normally returns a pointer to a new Tcl_Obj, that contains the same

 *	list value as *listPtr does. The returned Tcl_Obj has a refCount of
 *	zero. If *listPtr does not hold a list, NULL is returned, and if
 *	interp is non-NULL, an error message is recorded there.

 *
 * Side effects:
 *	None.


 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclListObjCopy(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjGetElements --
 *
 *	This function returns an (objc,objv) array of the elements in a list
 *	object.
 *
 * Results:
 *	The return value is normally TCL_OK; in this case *objcPtr is set to
 *	the count of list elements and *objvPtr is set to a pointer to an
 *	array of (*objcPtr) pointers to each list element. If listPtr does not
 *	refer to a list object and the object can not be converted to one,
 *	TCL_ERROR is returned and an error message will be left in the
 *	interpreter's result if interp is not NULL.
 *
 *	The objects referenced by the returned array should be treated as
 *	readonly and their ref counts are _not_ incremented; the caller must
 *	do that if it holds on to a reference. Furthermore, the pointer and
 *	length returned by this function may change as soon as any function is
 *	called on the list object; be careful about retaining the pointer in a
 *	local data structure.
 *
 * Side effects:
 *	The possible conversion of the object referenced by listPtr
 *	to a list object.



 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjGetElements(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjAppendList --
 *
 *	This function appends the elements in the list value referenced by
 *	elemListPtr to the list value referenced by listPtr.
 *
 * Results:
 *	The return value is normally TCL_OK. If listPtr or elemListPtr do not
 *	refer to list values, TCL_ERROR is returned and an error message is
 *	left in the interpreter's result if interp is not NULL.
 *
 * Side effects:
 *	The reference counts of the elements in elemListPtr are incremented
 *	since the list now refers to them. listPtr and elemListPtr are
 *	converted, if necessary, to list objects. Also, appending the new
 *	elements may cause listObj's array of element pointers to grow.
 *	listPtr's old string representation, if any, is invalidated.







 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjAppendList(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjAppendElement --
 *
 *	This function is a special purpose version of Tcl_ListObjAppendList:
 *	it appends a single object referenced by objPtr to the list object
 *	referenced by listPtr. If listPtr is not already a list object, an
 *	attempt will be made to convert it to one.
 *
 * Results:
 *	The return value is normally TCL_OK; in this case objPtr is added to
 *	the end of listPtr's list. If listPtr does not refer to a list object
 *	and the object can not be converted to one, TCL_ERROR is returned and
 *	an error message will be left in the interpreter's result if interp is
 *	not NULL.
 *
 * Side effects:
 *	The ref count of objPtr is incremented since the list now refers to
 *	it. listPtr will be converted, if necessary, to a list object. Also,
 *	appending the new element may cause listObj's array of element
 *	pointers to grow. listPtr's old string representation, if any, is
 *	invalidated.



 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjAppendElement(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjIndex --
 *
 *	This function returns a pointer to the index'th object from the list
 *	referenced by listPtr. The first element has index 0. If index is
 *	negative or greater than or equal to the number of elements in the

 *	list, a NULL is returned. If listPtr is not a list object, an attempt
 *	will be made to convert it to a list.
 *
 * Results:


 *	The return value is normally TCL_OK; in this case objPtrPtr is set to
 *	the Tcl_Obj pointer for the index'th list element or NULL if index is
 *	out of range. This object should be treated as readonly and its ref
 *	count is _not_ incremented; the caller must do that if it holds on to
 *	the reference. If listPtr does not refer to a list and can't be
 *	converted to one, TCL_ERROR is returned and an error message is left




 *	in the interpreter's result if interp is not NULL.
 *
 * Side effects:
 *	listPtr will be converted, if necessary, to a list object.


 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjIndex(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjLength --
 *
 *	This function returns the number of elements in a list object. If the
 *	object is not already a list object, an attempt will be made to
 *	convert it to one.
 *
 * Results:
 *	The return value is normally TCL_OK; in this case *intPtr will be set
 *	to the integer count of list elements. If listPtr does not refer to a
 *	list object and the object can not be converted to one, TCL_ERROR is
 *	returned and an error message will be left in the interpreter's result
 *	if interp is not NULL.
 *
 * Side effects:
 *	The possible conversion of the argument object to a list object.

 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjLength(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjReplace --
 *
 *	This function replaces zero or more elements of the list referenced by
 *	listPtr with the objects from an (objc,objv) array. The objc elements
 *	of the array referenced by objv replace the count elements in listPtr
 *	starting at first.
 *
 *	If the argument first is zero or negative, it refers to the first
 *	element. If first is greater than or equal to the number of elements
 *	in the list, then no elements are deleted; the new elements are
 *	appended to the list. Count gives the number of elements to replace.
 *	If count is zero or negative then no elements are deleted; the new
 *	elements are simply inserted before first.
 *
 *	The argument objv refers to an array of objc pointers to the new
 *	elements to be added to listPtr in place of those that were deleted.
 *	If objv is NULL, no new elements are added. If listPtr is not a list
 *	object, an attempt will be made to convert it to one.
 *
 * Results:
 *	The return value is normally TCL_OK. If listPtr does not refer to a
 *	list object and can not be converted to one, TCL_ERROR is returned and
 *	an error message will be left in the interpreter's result if interp is
 *	not NULL.
 *
 * Side effects:
 *	The ref counts of the objc elements in objv are incremented since the
 *	resulting list now refers to them. Similarly, the ref counts for
 *	replaced objects are decremented. listPtr is converted, if necessary,
 *	to a list object. listPtr's old string representation, if any, is
 *	freed.

 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjReplace(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclLindexList --
 *
 *	This procedure handles the 'lindex' command when objc==3.
 *
 * Results:
 *	Returns a pointer to the object extracted, or NULL if an error
 *	occurred. The returned object already includes one reference count for
 *	the pointer returned.
 *
 * Side effects:
 *	None.
 *



 * Notes:
 *	This procedure is implemented entirely as a wrapper around
 *	TclLindexFlat. All it does is reconfigure the argument format into the
 *	form required by TclLindexFlat, while taking care to manage shimmering
 *	in such a way that we tend to keep the most useful intreps and/or
 *	avoid the most expensive conversions.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclLindexList(
    Tcl_Interp *interp,		/* Tcl interpreter. */
................................................................................
	 * argPtr designates something that is neither an index nor a
	 * well-formed list. Report the error via TclLindexFlat.
	 */

	return TclLindexFlat(interp, listPtr, 1, &argPtr);
    }

    if (indexListCopy->typePtr == &tclListType) {
	List *listRepPtr = ListRepPtr(indexListCopy);

	listPtr = TclLindexFlat(interp, listPtr, listRepPtr->elemCount,
		&listRepPtr->elements);
    } else {
	int indexCount = -1;	/* Size of the array of list indices. */
	Tcl_Obj **indices = NULL;
				/* Array of list indices. */

	Tcl_ListObjGetElements(NULL, indexListCopy, &indexCount, &indices);
	listPtr = TclLindexFlat(interp, listPtr, indexCount, indices);
    }
    Tcl_DecrRefCount(indexListCopy);
    return listPtr;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclLindexFlat --
 *
 *	This procedure is the core of the 'lindex' command, with all index
 *	arguments presented as a flat list.
 *
 * Results:
 *	Returns a pointer to the object extracted, or NULL if an error
 *	occurred. The returned object already includes one reference count for
 *	the pointer returned.
 *
 * Side effects:
 *	None.
 *
 * Notes:
 *	The reference count of the returned object includes one reference

 *	corresponding to the pointer returned. Thus, the calling code will
 *	usually do something like:

 *		Tcl_SetObjResult(interp, result);
 *		Tcl_DecrRefCount(result);

 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclLindexFlat(
    Tcl_Interp *interp,		/* Tcl interpreter. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclLsetList --
 *
 *	Core of the 'lset' command when objc == 4. Objv[2] may be either a
 *	scalar index or a list of indices.
 *
 * Results:
 *	Returns the new value of the list variable, or NULL if there was an
 *	error. The returned object includes one reference count for the
 *	pointer returned.
 *
 * Side effects:
 *	None.

 *
 * Notes:
 *	This procedure is implemented entirely as a wrapper around
 *	TclLsetFlat. All it does is reconfigure the argument format into the
 *	form required by TclLsetFlat, while taking care to manage shimmering
 *	in such a way that we tend to keep the most useful intreps and/or
 *	avoid the most expensive conversions.


 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclLsetList(
    Tcl_Interp *interp,		/* Tcl interpreter. */
................................................................................
/*
 *----------------------------------------------------------------------
 *
 * TclLsetFlat --
 *
 *	Core engine of the 'lset' command.
 *
 * Results:
 *	Returns the new value of the list variable, or NULL if an error
 *	occurred. The returned object includes one reference count for the
 *	pointer returned.
 *
 * Side effects:
 *	On entry, the reference count of the variable value does not reflect
 *	any references held on the stack. The first action of this function is
 *	to determine whether the object is shared, and to duplicate it if it
 *	is. The reference count of the duplicate is incremented. At this
 *	point, the reference count will be 1 for either case, so that the
 *	object will appear to be unshared.
 *
 *	If an error occurs, and the object has been duplicated, the reference
 *	count on the duplicate is decremented so that it is now 0: this
 *	dismisses any memory that was allocated by this function.
 *
 *	If no error occurs, the reference count of the original object is
 *	incremented if the object has not been duplicated, and nothing is done
 *	to a reference count of the duplicate. Now the reference count of an
 *	unduplicated object is 2 (the returned pointer, plus the one stored in
 *	the variable). The reference count of a duplicate object is 1,
 *	reflecting that the returned pointer is the only active reference. The
 *	caller is expected to store the returned value back in the variable
 *	and decrement its reference count. (INST_STORE_* does exactly this.)
 *
 *	Surgery is performed on the unshared list value to produce the result.
 *	TclLsetFlat maintains a linked list of Tcl_Obj's whose string
 *	representations must be spoilt by threading via 'ptr2' of the
 *	two-pointer internal representation. On entry to TclLsetFlat, the



 *	values of 'ptr2' are immaterial; on exit, the 'ptr2' field of any
 *	Tcl_Obj that has been modified is set to NULL.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclListObjSetElement --
 *
 *	Set a single element of a list to a specified value
 *
 * Results:
 *	The return value is normally TCL_OK. If listPtr does not refer to a









 *	list object and cannot be converted to one, TCL_ERROR is returned and
 *	an error message will be left in the interpreter result if interp is




 *	not NULL. Similarly, if index designates an element outside the range
 *	[0..listLength-1], where listLength is the count of elements in the
 *	list object designated by listPtr, TCL_ERROR is returned and an error


 *	message is left in the interpreter result.
 *
 * Side effects:

 *	Tcl_Panic if listPtr designates a shared object. Otherwise, attempts
 *	to convert it to a list with a non-shared internal rep. Decrements the
 *	ref count of the object at the specified index within the list,
 *	replaces with the object designated by valuePtr, and increments the
 *	ref count of the replacement object.




 *
 *	It is the caller's responsibility to invalidate the string
 *	representation of the object.
 *
 *----------------------------------------------------------------------
 */

int
TclListObjSetElement(
    Tcl_Interp *interp,		/* Tcl interpreter; used for error reporting
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * FreeListInternalRep --
 *
 *	Deallocate the storage associated with a list object's internal
 *	representation.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	Frees listPtr's List* internal representation and sets listPtr's

 *	internalRep.twoPtrValue.ptr1 to NULL. Decrements the ref counts of all
 *	element objects, which may free them.

 *
 *----------------------------------------------------------------------
 */

static void
FreeListInternalRep(
    Tcl_Obj *listPtr)		/* List object with internal rep to free. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * DupListInternalRep --
 *
 *	Initialize the internal representation of a list Tcl_Obj to share the
 *	internal representation of an existing list object.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The reference count of the List internal rep is incremented.
 *
 *----------------------------------------------------------------------
 */

static void
DupListInternalRep(
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * SetListFromAny --
 *
 *	Attempt to generate a list internal form for the Tcl object "objPtr".
 *
 * Results:
 *	The return value is TCL_OK or TCL_ERROR. If an error occurs during

 *	conversion, an error message is left in the interpreter's result
 *	unless "interp" is NULL.
 *

 * Side effects:
 *	If no error occurs, a list is stored as "objPtr"s internal

 *	representation.




 *
 *----------------------------------------------------------------------
 */

static int
SetListFromAny(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * UpdateStringOfList --
 *
 *	Update the string representation for a list object. Note: This
 *	function does not invalidate an existing old string rep so storage


 *	will be lost if this has not already been done.
 *
 * Results:
 *	None.
 *
 * Side effects:
 *	The object's string is set to a valid string that results from the
 *	list-to-string conversion. This string will be empty if the list has
 *	no elements. The list internal representation should not be NULL and
 *	we assume it is not NULL.
 *
 *----------------------------------------------------------------------
 */

static void
UpdateStringOfList(
    Tcl_Obj *listPtr)		/* List object with string rep to update. */
{
#   define LOCAL_SIZE 20
    int localFlags[LOCAL_SIZE], *flagPtr = NULL;
    List *listRepPtr = ListRepPtr(listPtr);
    int numElems = listRepPtr->elemCount;
    int i, length, bytesNeeded = 0;
    const char *elem;
    char *dst;
    Tcl_Obj **elemPtrs;

................................................................................
    if (numElems <= LOCAL_SIZE) {
	flagPtr = localFlags;
    } else {
	/*
	 * We know numElems <= LIST_MAX, so this is safe.
	 */

	flagPtr = ckalloc(numElems * sizeof(int));
    }
    elemPtrs = &listRepPtr->elements;
    for (i = 0; i < numElems; i++) {
	flagPtr[i] = (i ? TCL_DONT_QUOTE_HASH : 0);
	elem = TclGetStringFromObj(elemPtrs[i], &length);
	bytesNeeded += TclScanElement(elem, length, flagPtr+i);
	if (bytesNeeded < 0) {
................................................................................
    }
    bytesNeeded += numElems;

    /*
     * Pass 2: copy into string rep buffer.
     */












    listPtr->length = bytesNeeded - 1;



    listPtr->bytes = ckalloc(bytesNeeded);
    dst = listPtr->bytes;
    for (i = 0; i < numElems; i++) {
	flagPtr[i] |= (i ? TCL_DONT_QUOTE_HASH : 0);
	elem = TclGetStringFromObj(elemPtrs[i], &length);
	dst += TclConvertElement(elem, length, dst, flagPtr[i]);
	*dst++ = ' ';
    }



    listPtr->bytes[listPtr->length] = '\0';

    if (flagPtr != localFlags) {
	ckfree(flagPtr);
    }
}
 
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */






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#endif
 
/*
 *----------------------------------------------------------------------
 *
 * NewListIntRep --
 *
 *	Creates a 'List' structure with space for 'objc' elements.  'objc' must
 *	be > 0.  If 'objv' is not NULL, The list is initialized with first
 *	'objc' values in that array.  Otherwise the list is initialized to have
 *	0 elements, with space to add 'objc' more.  Flag value 'p' indicates
 *	how to behave on failure.
 *
 * Value

 *
 *	A new 'List' structure with refCount 0. If some failure
 *	prevents this NULL is returned if 'p' is 0 , and 'Tcl_Panic'
 *	is called if it is not.
 *
 * Effect


 *
 *	The refCount of each value in 'objv' is incremented as it is added
 *	to the list.
 *
 *----------------------------------------------------------------------
 */

static List *
NewListIntRep(
    int objc,
................................................................................
    }
    return listRepPtr;
}
 
/*
 *----------------------------------------------------------------------
 *
 *  AttemptNewList --
 *
 *	Like NewListIntRep, but additionally sets an error message on failure. 



 * 









 *----------------------------------------------------------------------
 */

static List *
AttemptNewList(
    Tcl_Interp *interp,
    int objc,
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_NewListObj --
 *
 *	Creates a new list object and adds values to it. When TCL_MEM_DEBUG is
 *	defined, 'Tcl_DbNewListObj' is called instead.
 *
 * Value
 *
 *	A new list 'Tcl_Obj' to which is appended values from 'objv', or if
 *	'objc' is less than or equal to zero, a list 'Tcl_Obj' having no
 *	elements.  The string representation of the new 'Tcl_Obj' is set to
 *	NULL.  The refCount of the list is 0.
 *
 * Effect
 *
 *	The refCount of each elements in 'objv' is incremented as it is added
 *	to the list.



 *
 *----------------------------------------------------------------------
 */

#ifdef TCL_MEM_DEBUG
#undef Tcl_NewListObj

................................................................................
    return listPtr;
}
#endif /* if TCL_MEM_DEBUG */
 
/*
 *----------------------------------------------------------------------
 *
 *  Tcl_DbNewListObj --
 * 



 *	Like 'Tcl_NewListObj', but it calls Tcl_DbCkalloc directly with the
 *	file name and line number from its caller.  This simplifies debugging
 *	since the [memory active] command will report the correct file
 *	name and line number when reporting objects that haven't been freed.
 * 
 *	When TCL_MEM_DEBUG is not defined, 'Tcl_NewListObj' is called instead.











 *
 *----------------------------------------------------------------------
 */

#ifdef TCL_MEM_DEBUG

Tcl_Obj *
................................................................................
#endif /* TCL_MEM_DEBUG */
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_SetListObj --
 *
 *	Like 'Tcl_NewListObj', but operates on an existing 'Tcl_Obj'instead of
 *	creating a new one.











 *
 *----------------------------------------------------------------------
 */

void
Tcl_SetListObj(
    Tcl_Obj *objPtr,		/* Object whose internal rep to init. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclListObjCopy --
 *
 *	Creates a new 'Tcl_Obj' which is a pure copy of a list value. This
 *	provides for the C level a counterpart of the [lrange $list 0 end]
 *	command, while using internals details to be as efficient as possible.
 *
 * Value

 *
 *	The address of the new 'Tcl_Obj' which shares its internal
 *	representation with 'listPtr', and whose refCount is 0.  If 'listPtr'
 *	is not actually a list, the value is NULL, and an error message is left
 *	in 'interp' if it is not NULL.
 *
 * Effect

 *
 *	'listPtr' is converted to a list if it isn't one already.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclListObjCopy(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjGetElements --
 *
 *	Retreive the elements in a list 'Tcl_Obj'.
 *
 * Value
 *
 *	TCL_OK
 *
 *	    A count of list elements is stored, 'objcPtr', And a pointer to the
 *	    array of elements in the list is stored in 'objvPtr'.
 *
 *	    The elements accessible via 'objvPtr' should be treated as readonly
 *	    and the refCount for each object is _not_ incremented; the caller
 *	    must do that if it holds on to a reference. Furthermore, the
 *	    pointer and length returned by this function may change as soon as
 *	    any function is called on the list object. Be careful about
 *	    retaining the pointer in a local data structure.
 *
 *	TCL_ERROR
 *
 *	    'listPtr' is not a valid list. An error message is left in the
 *	    interpreter's result if 'interp' is not NULL.
 *
 * Effect
 *
 *	'listPtr' is converted to a list object if it isn't one already.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjGetElements(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjAppendList --
 *
 *	Appends the elements of elemListPtr to those of listPtr.
 *
 * Value
 *
 *	TCL_OK
 *
 *	    Success.
 *
 *	TCL_ERROR
 *
 *	    'listPtr' or 'elemListPtr' are not valid lists.  An error
 *	    message is left in the interpreter's result if 'interp' is not NULL.
 *
 * Effect
 *
 *	The reference count of each element of 'elemListPtr' as it is added to
 *	'listPtr'. 'listPtr' and 'elemListPtr' are converted to 'tclListType'
 *	if they are not already. Appending the new elements may cause the
 *	array of element pointers in 'listObj' to grow.  If any objects are
 *	appended to 'listPtr'. Any preexisting string representation of
 *	'listPtr' is invalidated.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjAppendList(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjAppendElement --
 *
 *	Like 'Tcl_ListObjAppendList', but Appends a single value to a list.
 *
 * Value
 *
 *	TCL_OK
 *
 *	    'objPtr' is appended to the elements of 'listPtr'.
 *
 *	TCL_ERROR
 *
 *	    listPtr does not refer to a list object and the object can not be
 *	    converted to one. An error message will be left in the
 *	    interpreter's result if interp is not NULL.
 *
 * Effect
 *
 *	If 'listPtr' is not already of type 'tclListType', it is converted.
 *	The 'refCount' of 'objPtr' is incremented as it is added to 'listPtr'.
 *	Appending the new element may cause the the array of element pointers
 *	in 'listObj' to grow.  Any preexisting string representation of
 *	'listPtr' is invalidated.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjAppendElement(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjIndex --
 *
 * 	Retrieve a pointer to the element of 'listPtr' at 'index'.  The index
 * 	of the first element is 0.

 *
 * Value

 *

 * 	TCL_OK
 *
 *	    A pointer to the element at 'index' is stored in 'objPtrPtr'.  If
 *	    'index' is out of range, NULL is stored in 'objPtrPtr'.  This
 *	    object should be treated as readonly and its 'refCount' is _not_
 *	    incremented. The caller must do that if it holds on to the
 *	    reference.

 * 
 * 	TCL_ERROR
 *
 * 	    'listPtr' is not a valid list. An an error message is left in the
 * 	    interpreter's result if 'interp' is not NULL.
 *
 *  Effect

 *
 * 	If 'listPtr' is not already of type 'tclListType', it is converted.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjIndex(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjLength --
 *
 * 	Retrieve the number of elements in a list.
 *
 * Value
 *
 *	TCL_OK
 *
 *	    A count of list elements is stored at the address provided by
 *	    'intPtr'. If 'listPtr' is not already of type 'tclListPtr', it is
 *	    converted.
 *
 *	TCL_ERROR
 *
 *	    'listPtr' is not a valid list.  An error message will be left in
 *	    the interpreter's result if 'interp' is not NULL.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjLength(
    Tcl_Interp *interp,		/* Used to report errors if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_ListObjReplace --
 *
 *	Replace values in a list.
 *
 *	If 'first' is zero or negative, it refers to the first element. If
 *	'first' outside the range of elements in the list, no elements are
 *	deleted.
 *
 *	If 'count' is zero or negative no elements are deleted, and any new
 *	elements are inserted at the beginning of the list.
 *
 * Value
 *
 *	TCL_OK
 *
 *	    The first 'objc' values of 'objv' replaced 'count' elements in 'listPtr'
 *	    starting at 'first'.  If 'objc' 0, no new elements are added.
 *
 *	TCL_ERROR
 *
 *	    'listPtr' is not a valid list.   An error message is left in the
 *	    interpreter's result if 'interp' is not NULL.
 *
 * Effect
 *
 *	If 'listPtr' is not of type 'tclListType', it is converted if possible.
 *
 *	The 'refCount' of each element appended to the list is incremented.
 *	Similarly, the 'refCount' for each replaced element is decremented.
 *
 *	If 'listPtr' is modified, any previous string representation is
 *	invalidated.
 *
 *----------------------------------------------------------------------
 */

int
Tcl_ListObjReplace(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclLindexList --
 *
 *	Implements the 'lindex' command when objc==3.
 *
 *	Implemented entirely as a wrapper around 'TclLindexFlat'. Reconfigures
 *	the argument format into required form while taking care to manage
 *	shimmering so as to tend to keep the most useful intreps
 *	and/or avoid the most expensive conversions.
 *
 * Value

 *
 *	A pointer to the specified element, with its 'refCount' incremented, or
 *	NULL if an error occurred.
 *
 * Notes





 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclLindexList(
    Tcl_Interp *interp,		/* Tcl interpreter. */
................................................................................
	 * argPtr designates something that is neither an index nor a
	 * well-formed list. Report the error via TclLindexFlat.
	 */

	return TclLindexFlat(interp, listPtr, 1, &argPtr);
    }



    {



	int indexCount = -1;		/* Size of the array of list indices. */

	Tcl_Obj **indices = NULL; 	/* Array of list indices. */

	TclListObjGetElements(NULL, indexListCopy, &indexCount, &indices);
	listPtr = TclLindexFlat(interp, listPtr, indexCount, indices);
    }
    Tcl_DecrRefCount(indexListCopy);
    return listPtr;
}
 
/*
 *----------------------------------------------------------------------
 *
 *  TclLindexFlat --
 *
 * 	The core of the 'lindex' command, with all index
 * 	arguments presented as a flat list.
 *
 *  Value



 *





 *	A pointer to the object extracted, with its 'refCount' incremented,  or
 *	NULL if an error occurred.  Thus, the calling code will usually do
 *	something like:
 *
 * 		Tcl_SetObjResult(interp, result);
 * 		Tcl_DecrRefCount(result);
 *
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclLindexFlat(
    Tcl_Interp *interp,		/* Tcl interpreter. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclLsetList --
 *
 *	The core of [lset] when objc == 4. Objv[2] may be either a
 *	scalar index or a list of indices.
 *
 *	Implemented entirely as a wrapper around 'TclLindexFlat', as described
 *	for 'TclLindexList'.


 *


 * Value
 *






 *	The new list, with the 'refCount' of 'valuPtr' incremented, or NULL if
 *	there was an error.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclLsetList(
    Tcl_Interp *interp,		/* Tcl interpreter. */
................................................................................
/*
 *----------------------------------------------------------------------
 *
 * TclLsetFlat --
 *
 *	Core engine of the 'lset' command.
 *
 * Value
 *
 *	The resulting list
 *
 *	    The 'refCount' of 'valuePtr' is incremented.  If 'listPtr' was not
 *	    duplicated, its 'refCount' is incremented.  The reference count of
 *	    an unduplicated object is therefore 2 (one for the returned pointer
 *	    and one for the variable that holds it).  The reference count of a
 *	    duplicate object is 1, reflecting that result is the only active
 *	    reference. The caller is expected to store the result in the
 *	    variable and decrement its reference count. (INST_STORE_* does
 *	    exactly this.)
 * 
 *	NULL
 *	
 *	    An error occurred.  If 'listPtr' was duplicated, the reference
 *	    count on the duplicate is decremented so that it is 0, causing any
 *	    memory allocated by this function to be freed.
 *
 *
 * Effect
 *
 *	On entry, the reference count of 'listPtr' does not reflect any
 *	references held on the stack. The first action of this function is to
 *	determine whether 'listPtr' is shared and to create a duplicate
 *	unshared copy if it is.  The reference count of the duplicate is
 *	incremented. At this point, the reference count is 1 in either case so
 *	that the object is considered unshared.
 *
 *	The unshared list is altered directly to produce the result.
 *	'TclLsetFlat' maintains a linked list of 'Tcl_Obj' values whose string
 *	representations must be spoilt by threading via 'ptr2' of the
 *	two-pointer internal representation. On entry to 'TclLsetFlat', the
 *	values of 'ptr2' are immaterial; on exit, the 'ptr2' field of any
 *	Tcl_Obj that has been modified is set to NULL.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclListObjSetElement --
 *
 *	Set a single element of a list to a specified value.
 *
 *	It is the caller's responsibility to invalidate the string
 *	representation of the 'listPtr'.
 *
 * Value
 *
 * 	TCL_OK
 *
 *	    Success.
 *
 *	TCL_ERROR
 *
 *	    'listPtr' does not refer to a list object and cannot be converted
 *	    to one.  An error message will be left in the interpreter result if
 *	    interp is not NULL.
 *
 *	TCL_ERROR
 *
 *	    An index designates an element outside the range [0..listLength-1],


 *	    where 'listLength' is the count of elements in the list object
 *	    designated by 'listPtr'.  An error message is left in the
 *	    interpreter result.
 *
 * Effect
 *
 *	If 'listPtr' designates a shared object, 'Tcl_Panic' is called.  If




 *	'listPtr' is not already of type 'tclListType', it is converted and the
 *	internal representation is unshared. The 'refCount' of the element at
 *	'index' is decremented and replaced in the list with the 'valuePtr',
 *	whose 'refCount' in turn is incremented.
 *


 *
 *----------------------------------------------------------------------
 */

int
TclListObjSetElement(
    Tcl_Interp *interp,		/* Tcl interpreter; used for error reporting
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * FreeListInternalRep --
 *
 *	Deallocate the storage associated with the internal representation of a
 *	a list object.
 *
 * Effect

 *


 *	The storage for the internal 'List' pointer of 'listPtr' is freed, the
 *	'internalRep.twoPtrValue.ptr1' of 'listPtr' is set to NULL, and the 'refCount'

 *	of each element of the list is decremented.
 *
 *----------------------------------------------------------------------
 */

static void
FreeListInternalRep(
    Tcl_Obj *listPtr)		/* List object with internal rep to free. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * DupListInternalRep --
 *
 *	Initialize the internal representation of a list 'Tcl_Obj' to share the
 *	internal representation of an existing list object.
 *
 * Effect

 *

 *	The 'refCount' of the List internal rep is incremented.
 *
 *----------------------------------------------------------------------
 */

static void
DupListInternalRep(
    Tcl_Obj *srcPtr,		/* Object with internal rep to copy. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * SetListFromAny --
 *
 *	Convert any object to a list.
 *
 * Value

 *
 *    TCL_OK

 *
 *	Success.  The internal representation of 'objPtr' is set, and the type
 *	of 'objPtr' is 'tclListType'.

 *
 *    TCL_ERROR
 *
 *	An error occured during conversion. An error message is left in the
 *	interpreter's result if 'interp' is not NULL.
 *
 *
 *----------------------------------------------------------------------
 */

static int
SetListFromAny(
    Tcl_Interp *interp,		/* Used for error reporting if not NULL. */
................................................................................
}
 
/*
 *----------------------------------------------------------------------
 *
 * UpdateStringOfList --
 *
 *	Update the string representation for a list object.

 *
 *	Any previously-exising string representation is not invalidated, so
 *	storage is lost if this has not been taken care of.
 *

 * Effect
 *
 *	The string representation of 'listPtr' is set to the resulting string.

 *	This string will be empty if the list has no elements. It is assumed
 *	that the list internal representation is not NULL.

 *
 *----------------------------------------------------------------------
 */

static void
UpdateStringOfList(
    Tcl_Obj *listPtr)		/* List object with string rep to update. */
{
#   define LOCAL_SIZE 64
    char localFlags[LOCAL_SIZE], *flagPtr = NULL;
    List *listRepPtr = ListRepPtr(listPtr);
    int numElems = listRepPtr->elemCount;
    int i, length, bytesNeeded = 0;
    const char *elem;
    char *dst;
    Tcl_Obj **elemPtrs;

................................................................................
    if (numElems <= LOCAL_SIZE) {
	flagPtr = localFlags;
    } else {
	/*
	 * We know numElems <= LIST_MAX, so this is safe.
	 */

	flagPtr = ckalloc(numElems);
    }
    elemPtrs = &listRepPtr->elements;
    for (i = 0; i < numElems; i++) {
	flagPtr[i] = (i ? TCL_DONT_QUOTE_HASH : 0);
	elem = TclGetStringFromObj(elemPtrs[i], &length);
	bytesNeeded += TclScanElement(elem, length, flagPtr+i);
	if (bytesNeeded < 0) {
................................................................................
    }
    bytesNeeded += numElems;

    /*
     * Pass 2: copy into string rep buffer.
     */

    /*
     * We used to set the string length here, relying on a presumed
     * guarantee that the number of bytes TclScanElement() calls reported
     * to be needed was a precise count and not an over-estimate, so long
     * as the same flag values were passed to TclConvertElement().
     *
     * Then we saw [35a8f1c04a], where a bug in TclScanElement() caused
     * that guarantee to fail. Rather than trust there are no more bugs,
     * we set the length after the loop based on what was actually written,
     * an not on what was predicted.
     *
    listPtr->length = bytesNeeded - 1;
     *
     */

    listPtr->bytes = ckalloc(bytesNeeded);
    dst = listPtr->bytes;
    for (i = 0; i < numElems; i++) {
	flagPtr[i] |= (i ? TCL_DONT_QUOTE_HASH : 0);
	elem = TclGetStringFromObj(elemPtrs[i], &length);
	dst += TclConvertElement(elem, length, dst, flagPtr[i]);
	*dst++ = ' ';
    }
    dst[-1] = '\0';

    /* Here is the safe setting of the string length. */
    listPtr->length = dst - 1 - listPtr->bytes;

    if (flagPtr != localFlags) {
	ckfree(flagPtr);
    }
}
 
/*
 * Local Variables:
 * mode: c
 * c-basic-offset: 4
 * fill-column: 78
 * End:
 */

Changes to generic/tclLiteral.c.

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    if (hash == (unsigned) -1) {
	hash = HashString(bytes, length);
    }
    globalHash = (hash & globalTablePtr->mask);
    for (globalPtr=globalTablePtr->buckets[globalHash] ; globalPtr!=NULL;
	    globalPtr = globalPtr->nextPtr) {
	objPtr = globalPtr->objPtr;
	if ((globalPtr->nsPtr == nsPtr)










		&& (objPtr->length == length) && ((length == 0)
		|| ((objPtr->bytes[0] == bytes[0])
		&& (memcmp(objPtr->bytes, bytes, (unsigned) length) == 0)))) {
	    /*
	     * A literal was found: return it
	     */

	    if (newPtr) {
		*newPtr = 0;
	    }
	    if (globalPtrPtr) {
		*globalPtrPtr = globalPtr;
	    }
	    if ((flags & LITERAL_ON_HEAP)) {
		ckfree(bytes);
	    }
	    globalPtr->refCount++;
	    return objPtr;

	}
    }
    if (!newPtr) {
	if ((flags & LITERAL_ON_HEAP)) {
	    ckfree(bytes);
	}
	return NULL;






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    if (hash == (unsigned) -1) {
	hash = HashString(bytes, length);
    }
    globalHash = (hash & globalTablePtr->mask);
    for (globalPtr=globalTablePtr->buckets[globalHash] ; globalPtr!=NULL;
	    globalPtr = globalPtr->nextPtr) {
	objPtr = globalPtr->objPtr;
	if (globalPtr->nsPtr == nsPtr) {
	    /*
	     * Literals should always have UTF-8 representations... but this
	     * is not guaranteed so we need to be careful anyway.
	     *
	     * https://stackoverflow.com/q/54337750/301832
	     */

	    int objLength;
	    char *objBytes = TclGetStringFromObj(objPtr, &objLength);

	    if ((objLength == length) && ((length == 0)
		    || ((objBytes[0] == bytes[0])
		    && (memcmp(objBytes, bytes, (unsigned) length) == 0)))) {
		/*
		 * A literal was found: return it
		 */

		if (newPtr) {
		    *newPtr = 0;
		}
		if (globalPtrPtr) {
		    *globalPtrPtr = globalPtr;
		}
		if (flags & LITERAL_ON_HEAP) {
		    ckfree(bytes);
		}
		globalPtr->refCount++;
		return objPtr;
	    }
	}
    }
    if (!newPtr) {
	if ((flags & LITERAL_ON_HEAP)) {
	    ckfree(bytes);
	}
	return NULL;

Changes to generic/tclLoad.c.

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    Tcl_DString unloadName, safeUnloadName;
    InterpPackage *ipFirstPtr, *ipPtr;
    int code, namesMatch, filesMatch, offset;
    const char *symbols[2];
    Tcl_PackageInitProc *initProc;
    const char *p, *fullFileName, *packageName;
    Tcl_LoadHandle loadHandle;
    Tcl_UniChar ch;
    unsigned len;
    int index, flags = 0;
    Tcl_Obj *const *savedobjv = objv;
    static const char *const options[] = {
	"-global",		"-lazy",		"--",	NULL
    };
    enum options {






|







126
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    Tcl_DString unloadName, safeUnloadName;
    InterpPackage *ipFirstPtr, *ipPtr;
    int code, namesMatch, filesMatch, offset;
    const char *symbols[2];
    Tcl_PackageInitProc *initProc;
    const char *p, *fullFileName, *packageName;
    Tcl_LoadHandle loadHandle;
    Tcl_UniChar ch = 0;
    unsigned len;
    int index, flags = 0;
    Tcl_Obj *const *savedobjv = objv;
    static const char *const options[] = {
	"-global",		"-lazy",		"--",	NULL
    };
    enum options {

Changes to generic/tclNamesp.c.

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    Interp *iPtr = (Interp *) nsPtr->interp;
    Namespace *globalNsPtr = (Namespace *)
	    TclGetGlobalNamespace((Tcl_Interp *) iPtr);
    Tcl_HashEntry *entryPtr;
    Tcl_HashSearch search;
    Command *cmdPtr;






    /*
     * Give anyone interested - notably TclOO - a chance to use this namespace
     * normally despite the fact that the namespace is going to go. Allows the
     * calling of destructors. Will only be called once (unless re-established
     * by the called function). [Bug 2950259]
     *
     * Note that setting this field requires access to the internal definition
................................................................................
	    if (nsPtr->childTablePtr != NULL) {
		Tcl_DeleteHashTable(nsPtr->childTablePtr);
		ckfree(nsPtr->childTablePtr);
	    }
#endif
	    Tcl_DeleteHashTable(&nsPtr->cmdTable);

	    /*
	     * If the reference count is 0, then discard the namespace.
	     * Otherwise, mark it as "dead" so that it can't be used.
	     */

	    if (nsPtr->refCount == 0) {
		NamespaceFree(nsPtr);
	    } else {
		nsPtr->flags |= NS_DEAD;
	    }
	} else {
	    /*
	     * Restore the ::errorInfo and ::errorCode traces.
	     */

	    EstablishErrorInfoTraces(NULL, nsPtr->interp, NULL, NULL, 0);
	    EstablishErrorCodeTraces(NULL, nsPtr->interp, NULL, NULL, 0);
................................................................................
	     * We didn't really kill it, so remove the KILLED marks, so it can
	     * get killed later, avoiding mem leaks.
	     */

	    nsPtr->flags &= ~(NS_DYING|NS_KILLED);
	}
    }

}
 
/*
 *----------------------------------------------------------------------
 *
 * TclTeardownNamespace --
 *
................................................................................
    Tcl_DStringFree(&buffer);
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *





























 * Tcl_FindNamespace --
 *
 *	Searches for a namespace.
 *
 * Results:
 *	Returns a pointer to the namespace if it is found. Otherwise, returns
 *	NULL and leaves an error message in the interpreter's result object if
................................................................................
		}
	    }
	}
    } else {
	Namespace *nsPtr[2];
	register int search;

	TclGetNamespaceForQualName(interp, name, (Namespace *) contextNsPtr,
		flags, &nsPtr[0], &nsPtr[1], &cxtNsPtr, &simpleName);

	/*
	 * Look for the command in the command table of its namespace. Be sure
	 * to check both possible search paths: from the specified namespace
	 * context and from the global namespace.
	 */






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>







 







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|







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    Interp *iPtr = (Interp *) nsPtr->interp;
    Namespace *globalNsPtr = (Namespace *)
	    TclGetGlobalNamespace((Tcl_Interp *) iPtr);
    Tcl_HashEntry *entryPtr;
    Tcl_HashSearch search;
    Command *cmdPtr;

    /*
     * Ensure that this namespace doesn't get deallocated in the meantime.
     */
    nsPtr->refCount++;

    /*
     * Give anyone interested - notably TclOO - a chance to use this namespace
     * normally despite the fact that the namespace is going to go. Allows the
     * calling of destructors. Will only be called once (unless re-established
     * by the called function). [Bug 2950259]
     *
     * Note that setting this field requires access to the internal definition
................................................................................
	    if (nsPtr->childTablePtr != NULL) {
		Tcl_DeleteHashTable(nsPtr->childTablePtr);
		ckfree(nsPtr->childTablePtr);
	    }
#endif
	    Tcl_DeleteHashTable(&nsPtr->cmdTable);









	    nsPtr ->flags |= NS_DEAD;

	} else {
	    /*
	     * Restore the ::errorInfo and ::errorCode traces.
	     */

	    EstablishErrorInfoTraces(NULL, nsPtr->interp, NULL, NULL, 0);
	    EstablishErrorCodeTraces(NULL, nsPtr->interp, NULL, NULL, 0);
................................................................................
	     * We didn't really kill it, so remove the KILLED marks, so it can
	     * get killed later, avoiding mem leaks.
	     */

	    nsPtr->flags &= ~(NS_DYING|NS_KILLED);
	}
    }
    TclNsDecrRefCount(nsPtr);
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclTeardownNamespace --
 *
................................................................................
    Tcl_DStringFree(&buffer);
    return TCL_OK;
}
 
/*
 *----------------------------------------------------------------------
 *
 * TclEnsureNamespace --
 *
 *	Provide a namespace that is not deleted.
 *
 * Value
 *
 *	namespacePtr, if it is not scheduled for deletion, or a pointer to a
 *	new namespace with the same name otherwise.
 *
 * Effect
 *	None.
 *
 *----------------------------------------------------------------------
 */
Tcl_Namespace *
TclEnsureNamespace(
    Tcl_Interp *interp,
    Tcl_Namespace *namespacePtr)
{
    Namespace *nsPtr = (Namespace *) namespacePtr;
    if (!(nsPtr->flags & NS_DYING)) {
	    return namespacePtr;
    }
    return Tcl_CreateNamespace(interp, nsPtr->fullName, NULL, NULL);
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_FindNamespace --
 *
 *	Searches for a namespace.
 *
 * Results:
 *	Returns a pointer to the namespace if it is found. Otherwise, returns
 *	NULL and leaves an error message in the interpreter's result object if
................................................................................
		}
	    }
	}
    } else {
	Namespace *nsPtr[2];
	register int search;

	TclGetNamespaceForQualName(interp, name, cxtNsPtr,
		flags, &nsPtr[0], &nsPtr[1], &cxtNsPtr, &simpleName);

	/*
	 * Look for the command in the command table of its namespace. Be sure
	 * to check both possible search paths: from the specified namespace
	 * context and from the global namespace.
	 */

Changes to generic/tclOO.c.

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/*
 * tclOO.c --
 *
 *	This file contains the object-system core (NB: not Tcl_Obj, but ::oo)
 *
 * Copyright (c) 2005-2012 by Donal K. Fellows

 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
................................................................................

#define ALLOC_CHUNK 8

/*
 * Function declarations for things defined in this file.
 */

static Class *		AllocClass(Tcl_Interp *interp, Object *useThisObj);
static Object *		AllocObject(Tcl_Interp *interp, const char *nameStr,
			    const char *nsNameStr);
static void		ClearMixins(Class *clsPtr);
static void		ClearSuperclasses(Class *clsPtr);
static int		CloneClassMethod(Tcl_Interp *interp, Class *clsPtr,
			    Method *mPtr, Tcl_Obj *namePtr,
			    Method **newMPtrPtr);
static int		CloneObjectMethod(Tcl_Interp *interp, Object *oPtr,
			    Method *mPtr, Tcl_Obj *namePtr);
static void		DeletedDefineNamespace(ClientData clientData);
static void		DeletedObjdefNamespace(ClientData clientData);
static void		DeletedHelpersNamespace(ClientData clientData);
static Tcl_NRPostProc	FinalizeAlloc;
static Tcl_NRPostProc	FinalizeNext;
static Tcl_NRPostProc	FinalizeObjectCall;

static int		InitFoundation(Tcl_Interp *interp);
static void		KillFoundation(ClientData clientData,
			    Tcl_Interp *interp);
static void		MyDeleted(ClientData clientData);
static void		ObjectNamespaceDeleted(ClientData clientData);
static void		ObjectRenamedTrace(ClientData clientData,
			    Tcl_Interp *interp, const char *oldName,
			    const char *newName, int flags);
static void		ReleaseClassContents(Tcl_Interp *interp,Object *oPtr);
static inline void	SquelchCachedName(Object *oPtr);
static void		SquelchedNsFirst(ClientData clientData);

static int		PublicObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static int		PublicNRObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static int		PrivateObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static int		PrivateNRObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);



/*
 * Methods in the oo::object and oo::class classes. First, we define a helper
 * macro that makes building the method type declaration structure a lot
 * easier. No point in making life harder than it has to be!
 *
 * Note that the core methods don't need clone or free proc callbacks.
................................................................................
 *
 * The ocPtr parameter (only in these macros) is assumed to work fine with
 * either an oPtr or a classPtr. Note that the roots oo::object and oo::class
 * have _both_ their object and class flags tagged with ROOT_OBJECT and
 * ROOT_CLASS respectively.
 */

#define Deleted(oPtr)		(((Object *)(oPtr))->command == NULL)
#define IsRootObject(ocPtr)	((ocPtr)->flags & ROOT_OBJECT)
#define IsRootClass(ocPtr)	((ocPtr)->flags & ROOT_CLASS)
#define IsRoot(ocPtr)		((ocPtr)->flags & (ROOT_OBJECT|ROOT_CLASS))






 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOInit --
 *
 *	Called to initialise the OO system within an interpreter.
................................................................................
    Tcl_Interp *interp)
{
    static Tcl_ThreadDataKey tsdKey;
    ThreadLocalData *tsdPtr =
	    Tcl_GetThreadData(&tsdKey, sizeof(ThreadLocalData));
    Foundation *fPtr = ckalloc(sizeof(Foundation));
    Tcl_Obj *namePtr, *argsPtr, *bodyPtr;




    Tcl_DString buffer;
    Command *cmdPtr;
    int i;

    /*
     * Initialize the structure that holds the OO system core. This is
     * attached to the interpreter via an assocData entry; not very efficient,
................................................................................
    Tcl_CallWhenDeleted(interp, KillFoundation, NULL);

    /*
     * Create the objects at the core of the object system. These need to be
     * spliced manually.
     */


    fPtr->objectCls = AllocClass(interp,
	    AllocObject(interp, "::oo::object", NULL));



    fPtr->classCls = AllocClass(interp,
	    AllocObject(interp, "::oo::class", NULL));
    fPtr->objectCls->thisPtr->selfCls = fPtr->classCls;

    fPtr->objectCls->thisPtr->flags |= ROOT_OBJECT;
    fPtr->objectCls->flags |= ROOT_OBJECT;




    fPtr->objectCls->superclasses.num = 0;
    ckfree(fPtr->objectCls->superclasses.list);
    fPtr->objectCls->superclasses.list = NULL;



















    fPtr->classCls->thisPtr->selfCls = fPtr->classCls;
    fPtr->classCls->thisPtr->flags |= ROOT_CLASS;
    fPtr->classCls->flags |= ROOT_CLASS;
    TclOOAddToInstances(fPtr->objectCls->thisPtr, fPtr->classCls);



    TclOOAddToInstances(fPtr->classCls->thisPtr, fPtr->classCls);





    TclOOAddToSubclasses(fPtr->classCls, fPtr->objectCls);
    AddRef(fPtr->objectCls->thisPtr);
    AddRef(fPtr->objectCls);

    /*
     * Basic method declarations for the core classes.
     */

    for (i=0 ; objMethods[i].name ; i++) {
	TclOONewBasicMethod(interp, fPtr->objectCls, &objMethods[i]);
................................................................................
    ClientData clientData,	/* Pointer to the OO system foundation
				 * structure. */
    Tcl_Interp *interp)		/* The interpreter containing the OO system
				 * foundation. */
{
    Foundation *fPtr = GetFoundation(interp);

    DelRef(fPtr->objectCls->thisPtr);
    DelRef(fPtr->objectCls);
    TclDecrRefCount(fPtr->unknownMethodNameObj);
    TclDecrRefCount(fPtr->constructorName);
    TclDecrRefCount(fPtr->destructorName);
    TclDecrRefCount(fPtr->clonedName);
    TclDecrRefCount(fPtr->defineName);



    ckfree(fPtr);
}
 
/*
 * ----------------------------------------------------------------------
 *
 * AllocObject --
 *
 *	Allocate an object of basic type. Does not splice the object into its
 *	class's instance list.




 *
 * ----------------------------------------------------------------------
 */

static Object *
AllocObject(
    Tcl_Interp *interp,		/* Interpreter within which to create the
				 * object. */
    const char *nameStr,	/* The name of the object to create, or NULL
				 * if the OO system should pick the object
				 * name itself (equal to the namespace
				 * name). */


    const char *nsNameStr)	/* The name of the namespace to create, or
				 * NULL if the OO system should pick a unique
				 * name itself. If this is non-NULL but names
				 * a namespace that already exists, the effect
				 * will be the same as if this was NULL. */
{
    Foundation *fPtr = GetFoundation(interp);
    Object *oPtr;
    Command *cmdPtr;
    CommandTrace *tracePtr;
    int creationEpoch, ignored;

    oPtr = ckalloc(sizeof(Object));
    memset(oPtr, 0, sizeof(Object));

    /*
     * Every object has a namespace; make one. Note that this also normally
     * computes the creation epoch value for the object, a sequence number
................................................................................
     * When creating a namespace, we first check to see if the caller
     * specified the name for the namespace. If not, we generate namespace
     * names using the epoch until such time as a new namespace is actually
     * created.
     */

    if (nsNameStr != NULL) {
	oPtr->namespacePtr = Tcl_CreateNamespace(interp, nsNameStr, oPtr,
		ObjectNamespaceDeleted);
	if (oPtr->namespacePtr != NULL) {
	    creationEpoch = ++fPtr->tsdPtr->nsCount;
	    goto configNamespace;
	}
	Tcl_ResetResult(interp);
    }

    while (1) {
	char objName[10 + TCL_INTEGER_SPACE];

	sprintf(objName, "::oo::Obj%d", ++fPtr->tsdPtr->nsCount);
	oPtr->namespacePtr = Tcl_CreateNamespace(interp, objName, oPtr,
		ObjectNamespaceDeleted);
	if (oPtr->namespacePtr != NULL) {
	    creationEpoch = fPtr->tsdPtr->nsCount;
	    break;
	}

	/*
	 * Could not make that namespace, so we make another. But first we
................................................................................
	 * have to get rid of the error message from Tcl_CreateNamespace,
	 * since that's something that should not be exposed to the user.
	 */

	Tcl_ResetResult(interp);
    }






    /*
     * Make the namespace know about the helper commands. This grants access
     * to the [self] and [next] commands.
     */

  configNamespace:
    if (fPtr->helpersNs != NULL) {
	TclSetNsPath((Namespace *) oPtr->namespacePtr, 1, &fPtr->helpersNs);
    }
    TclOOSetupVariableResolver(oPtr->namespacePtr);

    /*
     * Suppress use of compiled versions of the commands in this object's
................................................................................

    /*
     * Set up a callback to get notification of the deletion of a namespace
     * when enough of the namespace still remains to execute commands and
     * access variables in it. [Bug 2950259]
     */

    ((Namespace *) oPtr->namespacePtr)->earlyDeleteProc = SquelchedNsFirst;

    /*
     * Fill in the rest of the non-zero/NULL parts of the structure.
     */

    oPtr->fPtr = fPtr;
    oPtr->selfCls = fPtr->objectCls;
    oPtr->creationEpoch = creationEpoch;






    oPtr->refCount = 1;

    oPtr->flags = USE_CLASS_CACHE;

    /*
     * Finally, create the object commands and initialize the trace on the
     * public command (so that the object structures are deleted when the
     * command is deleted).
     */

    if (!nameStr) {
	oPtr->command = Tcl_CreateObjCommand(interp,
		oPtr->namespacePtr->fullName, PublicObjectCmd, oPtr, NULL);
    } else if (nameStr[0] == ':' && nameStr[1] == ':') {
	oPtr->command = Tcl_CreateObjCommand(interp, nameStr,
		PublicObjectCmd, oPtr, NULL);
    } else {
	Tcl_DString buffer;

	Tcl_DStringInit(&buffer);
	Tcl_DStringAppend(&buffer,
		Tcl_GetCurrentNamespace(interp)->fullName, -1);
	TclDStringAppendLiteral(&buffer, "::");
	Tcl_DStringAppend(&buffer, nameStr, -1);
	oPtr->command = Tcl_CreateObjCommand(interp,
		Tcl_DStringValue(&buffer), PublicObjectCmd, oPtr, NULL);
	Tcl_DStringFree(&buffer);
    }




    /*
     * Add the NRE command and trace directly. While this breaks a number of
     * abstractions, it is faster and we're inside Tcl here so we're allowed.
     */

    cmdPtr = (Command *) oPtr->command;
................................................................................
    cmdPtr->tracePtr = tracePtr = ckalloc(sizeof(CommandTrace));
    tracePtr->traceProc = ObjectRenamedTrace;
    tracePtr->clientData = oPtr;
    tracePtr->flags = TCL_TRACE_RENAME|TCL_TRACE_DELETE;
    tracePtr->nextPtr = NULL;
    tracePtr->refCount = 1;

    /*
     * Access the namespace command table directly when creating "my" to avoid
     * a bottleneck in string manipulation. Another abstraction-buster.
     */

    cmdPtr = ckalloc(sizeof(Command));
    memset(cmdPtr, 0, sizeof(Command));
    cmdPtr->nsPtr = (Namespace *) oPtr->namespacePtr;
    cmdPtr->hPtr = Tcl_CreateHashEntry(&cmdPtr->nsPtr->cmdTable, "my",
	    &ignored);
    cmdPtr->refCount = 1;
    cmdPtr->objProc = PrivateObjectCmd;
    cmdPtr->deleteProc = MyDeleted;
    cmdPtr->objClientData = cmdPtr->deleteData = oPtr;
    cmdPtr->proc = TclInvokeObjectCommand;
    cmdPtr->clientData = cmdPtr;

    cmdPtr->nreProc = PrivateNRObjectCmd;
    Tcl_SetHashValue(cmdPtr->hPtr, cmdPtr);
    oPtr->myCommand = (Tcl_Command) cmdPtr;

    return oPtr;
}
 
/*
 * ----------------------------------------------------------------------
 *
 * SquelchCachedName --
................................................................................

    oPtr->myCommand = NULL;
}
 
/*
 * ----------------------------------------------------------------------
 *
 * SquelchedNsFirst --
 *
 *	This callback is triggered when the object's namespace is deleted by
 *	any mechanism. It deletes the object's public command if it has not
 *	already been deleted, so ensuring that destructors get run at an
 *	appropriate time. [Bug 2950259]
 *
 * ----------------------------------------------------------------------
 */

static void
SquelchedNsFirst(
    ClientData clientData)
{
    Object *oPtr = clientData;

    if (oPtr->command) {
	Tcl_DeleteCommandFromToken(oPtr->fPtr->interp, oPtr->command);
    }
}
 
/*
 * ----------------------------------------------------------------------
 *
 * ObjectRenamedTrace --
 *
 *	This callback is triggered when the object is deleted by any
 *	mechanism. It runs the destructors and arranges for the actual cleanup
 *	of the object's namespace, which in turn triggers cleansing of the
 *	object data structures.
 *
................................................................................
    ClientData clientData,	/* The object being deleted. */
    Tcl_Interp *interp,		/* The interpreter containing the object. */
    const char *oldName,	/* What the object was (last) called. */
    const char *newName,	/* What it's getting renamed to. (unused) */
    int flags)			/* Why was the object deleted? */
{
    Object *oPtr = clientData;
    Foundation *fPtr = oPtr->fPtr;

    /*
     * If this is a rename and not a delete of the object, we just flush the
     * cache of the object name.
     */

    if (flags & TCL_TRACE_RENAME) {
	SquelchCachedName(oPtr);
	return;
    }

    /*
     * Oh dear, the object really is being deleted. Handle this by running the
     * destructors and deleting the object's namespace, which in turn causes
     * the real object structures to be deleted.
     *
     * Note that it is possible for the namespace to be deleted before the
     * command. Because of that case, we must take care here to mark the
     * command as being deleted so that if we return here we don't run into
     * reentrancy problems.
     *
     * We also do not run destructors on the core class objects when the
     * interpreter is being deleted; their incestuous nature causes problems
     * in that case when the destructor is partially deleted before the uses
     * of it have gone. [Bug 2949397]
     */



    AddRef(oPtr);
    AddRef(fPtr->classCls);
    AddRef(fPtr->objectCls);
    AddRef(fPtr->classCls->thisPtr);
    AddRef(fPtr->objectCls->thisPtr);
    oPtr->command = NULL;



    if (!(oPtr->flags & DESTRUCTOR_CALLED) && !Tcl_InterpDeleted(interp)) {
	CallContext *contextPtr =
		TclOOGetCallContext(oPtr, NULL, DESTRUCTOR, NULL);
	int result;
	Tcl_InterpState state;

	oPtr->flags |= DESTRUCTOR_CALLED;
	if (contextPtr != NULL) {
	    contextPtr->callPtr->flags |= DESTRUCTOR;
	    contextPtr->skip = 0;
	    state = Tcl_SaveInterpState(interp, TCL_OK);
	    result = Tcl_NRCallObjProc(interp, TclOOInvokeContext,
		    contextPtr, 0, NULL);
	    if (result != TCL_OK) {
		Tcl_BackgroundException(interp, result);
	    }
	    Tcl_RestoreInterpState(interp, state);



	    TclOODeleteContext(contextPtr);
	}
    }

    /*
     * OK, the destructor's been run. Time to splat the class data (if any)
     * and nuke the namespace (which triggers the final crushing of the object
     * structure itself).

     *
     * The class of objects needs some special care; if it is deleted (and
     * we're not killing the whole interpreter) we force the delete of the
     * class of classes now as well. Due to the incestuous nature of those two
     * classes, if one goes the other must too and yet the tangle can
     * sometimes not go away automatically; we force it here. [Bug 2962664]

     */

    if (!Tcl_InterpDeleted(interp) && IsRootObject(oPtr)
	    && !Deleted(fPtr->classCls->thisPtr)) {
	Tcl_DeleteCommandFromToken(interp, fPtr->classCls->thisPtr->command);
    }





    if (oPtr->classPtr != NULL) {
	AddRef(oPtr->classPtr);
	ReleaseClassContents(interp, oPtr);


    }

    /*
     * The namespace is only deleted if it hasn't already been deleted. [Bug
     * 2950259]

     */

    if (((Namespace *) oPtr->namespacePtr)->earlyDeleteProc != NULL) {
	Tcl_DeleteNamespace(oPtr->namespacePtr);










    }
    if (oPtr->classPtr) {
	DelRef(oPtr->classPtr);

    }
    DelRef(fPtr->classCls->thisPtr);
    DelRef(fPtr->objectCls->thisPtr);
    DelRef(fPtr->classCls);
    DelRef(fPtr->objectCls);
    DelRef(oPtr);
}



 
/*
 * ----------------------------------------------------------------------

 *
 * ClearMixins, ClearSuperclasses --
 *
 *	Utility functions for correctly clearing the list of mixins or
 *	superclasses of a class. Will ckfree() the list storage.
 *
 * ----------------------------------------------------------------------
 */

static void
ClearMixins(
    Class *clsPtr)
{
    int i;
    Class *mixinPtr;

    if (clsPtr->mixins.num == 0) {
	return;






    }


    FOREACH(mixinPtr, clsPtr->mixins) {
	TclOORemoveFromMixinSubs(clsPtr, mixinPtr);
    }

    ckfree(clsPtr->mixins.list);
    clsPtr->mixins.list = NULL;
    clsPtr->mixins.num = 0;

}

static void
ClearSuperclasses(
    Class *clsPtr)



{
    int i;
    Class *superPtr;








    if (clsPtr->superclasses.num == 0) {
	return;

    }

    FOREACH(superPtr, clsPtr->superclasses) {
	TclOORemoveFromSubclasses(clsPtr, superPtr);




    }
    ckfree(clsPtr->superclasses.list);
    clsPtr->superclasses.list = NULL;
    clsPtr->superclasses.num = 0;
}
 

/*
 * ----------------------------------------------------------------------
 *
 * ReleaseClassContents --
 *
 *	Tear down the special class data structure, including deleting all
 *	dependent classes and objects.
 *
 * ----------------------------------------------------------------------
 */

static void
ReleaseClassContents(
    Tcl_Interp *interp,		/* The interpreter containing the class. */
    Object *oPtr)		/* The object representing the class. */
{
    FOREACH_HASH_DECLS;
    int i;
    Class *clsPtr = oPtr->classPtr, *mixinSubclassPtr, *subclassPtr;
    Object *instancePtr;
    Foundation *fPtr = oPtr->fPtr;


    /*
     * Sanity check!
     */

    if (!Deleted(oPtr)) {
	if (IsRootClass(oPtr)) {
	    Tcl_Panic("deleting class structure for non-deleted %s",
		    "::oo::class");
	} else if (IsRootObject(oPtr)) {
	    Tcl_Panic("deleting class structure for non-deleted %s",
		    "::oo::object");
	} else {
	    Tcl_Panic("deleting class structure for non-deleted %s",
		    "general object");
	}
    }

    /*
     * Lock a number of dependent objects until we've stopped putting our
     * fingers in them.
     */

    FOREACH(mixinSubclassPtr, clsPtr->mixinSubs) {
	if (mixinSubclassPtr != NULL) {
	    AddRef(mixinSubclassPtr);
	    AddRef(mixinSubclassPtr->thisPtr);
	}
    }
    FOREACH(subclassPtr, clsPtr->subclasses) {
	if (subclassPtr != NULL && !IsRoot(subclassPtr)) {
	    AddRef(subclassPtr);
	    AddRef(subclassPtr->thisPtr);
	}
    }
    if (!IsRootClass(oPtr)) {
	FOREACH(instancePtr, clsPtr->instances) {
	    int j;
	    if (instancePtr->selfCls == clsPtr) {
		instancePtr->flags |= CLASS_GONE;
	    }
	    for(j=0 ; j<instancePtr->mixins.num ; j++) {
		Class *mixin = instancePtr->mixins.list[j];
		if (mixin == clsPtr) {
		    instancePtr->mixins.list[j] = NULL;
		}
	    }
	    if (instancePtr != NULL && !IsRoot(instancePtr)) {
		AddRef(instancePtr);
	    }
	}
    }

    /*
     * Squelch classes that this class has been mixed into.
     */

    FOREACH(mixinSubclassPtr, clsPtr->mixinSubs) {
	if (!Deleted(mixinSubclassPtr->thisPtr)) {
	    Tcl_DeleteCommandFromToken(interp,
		    mixinSubclassPtr->thisPtr->command);
	}
	ClearMixins(mixinSubclassPtr);
	DelRef(mixinSubclassPtr->thisPtr);
	DelRef(mixinSubclassPtr);
    }
    if (clsPtr->mixinSubs.list != NULL) {
	ckfree(clsPtr->mixinSubs.list);
	clsPtr->mixinSubs.list = NULL;
	clsPtr->mixinSubs.num = 0;
    }

    /*
     * Squelch subclasses of this class.
     */

    FOREACH(subclassPtr, clsPtr->subclasses) {
	if (IsRoot(subclassPtr)) {
	    continue;
	}
	if (!Deleted(subclassPtr->thisPtr)) {
	    Tcl_DeleteCommandFromToken(interp, subclassPtr->thisPtr->command);
	}
	ClearSuperclasses(subclassPtr);
	DelRef(subclassPtr->thisPtr);
	DelRef(subclassPtr);
    }
    if (clsPtr->subclasses.list != NULL) {
	ckfree(clsPtr->subclasses.list);
	clsPtr->subclasses.list = NULL;
	clsPtr->subclasses.num = 0;
    }

    /*
     * Squelch instances of this class (includes objects we're mixed into).
     */

    if (!IsRootClass(oPtr)) {
	FOREACH(instancePtr, clsPtr->instances) {
	    if (instancePtr == NULL || IsRoot(instancePtr)) {
		continue;
	    }
	    if (!Deleted(instancePtr)) {
		Tcl_DeleteCommandFromToken(interp, instancePtr->command);
		/*
		 * Tcl_DeleteCommandFromToken() may have done to whole
		 * job for us.  Roll back and check again.
		 */
		i--;
		continue;
	    }
	    DelRef(instancePtr);
	}
    }
    if (clsPtr->instances.list != NULL) {
	ckfree(clsPtr->instances.list);
	clsPtr->instances.list = NULL;
	clsPtr->instances.num = 0;
    }

    /*
     * Special: We delete these after everything else.
     */

    if (IsRootClass(oPtr) && !Deleted(fPtr->objectCls->thisPtr)) {
	Tcl_DeleteCommandFromToken(interp, fPtr->objectCls->thisPtr->command);
    }

    /*
     * Squelch method implementation chain caches.
     */

    if (clsPtr->constructorChainPtr) {
	TclOODeleteChain(clsPtr->constructorChainPtr);
	clsPtr->constructorChainPtr = NULL;
................................................................................
    if (clsPtr->filters.num) {
	Tcl_Obj *filterObj;

	FOREACH(filterObj, clsPtr->filters) {
	    TclDecrRefCount(filterObj);
	}
	ckfree(clsPtr->filters.list);

	clsPtr->filters.num = 0;
    }

    /*
     * Squelch our metadata.
     */

................................................................................
	FOREACH_HASH(metadataTypePtr, value, clsPtr->metadataPtr) {
	    metadataTypePtr->deleteProc(value);
	}
	Tcl_DeleteHashTable(clsPtr->metadataPtr);
	ckfree(clsPtr->metadataPtr);
	clsPtr->metadataPtr = NULL;
    }






































}
 
/*
 * ----------------------------------------------------------------------
 *
 * ObjectNamespaceDeleted --
 *
................................................................................

static void
ObjectNamespaceDeleted(
    ClientData clientData)	/* Pointer to the class whose namespace is
				 * being deleted. */
{
    Object *oPtr = clientData;

    FOREACH_HASH_DECLS;
    Class *clsPtr = oPtr->classPtr, *mixinPtr;
    Method *mPtr;
    Tcl_Obj *filterObj, *variableObj;

    int i;








    /*








































     * Instruct everyone to no longer use any allocated fields of the object.
     * Also delete the commands that refer to the object at this point (if
     * they still exist) because otherwise their references to the object
     * point into freed memory, allowing crashes.


     */

    if (oPtr->command) {










	Tcl_DeleteCommandFromToken(oPtr->fPtr->interp, oPtr->command);
    }

    if (oPtr->myCommand) {
	Tcl_DeleteCommandFromToken(oPtr->fPtr->interp, oPtr->myCommand);
    }

    /*
     * Splice the object out of its context. After this, we must *not* call
     * methods on the object.
     */

    if (!IsRootObject(oPtr) && !(oPtr->flags & CLASS_GONE)) {
	TclOORemoveFromInstances(oPtr, oPtr->selfCls);
    }


    FOREACH(mixinPtr, oPtr->mixins) {
	if (mixinPtr) {
	    TclOORemoveFromInstances(oPtr, mixinPtr);

	}
    }
    if (i) {

	ckfree(oPtr->mixins.list);

    }

    FOREACH(filterObj, oPtr->filters) {
	TclDecrRefCount(filterObj);
    }
    if (i) {
	ckfree(oPtr->filters.list);
................................................................................
	}
	Tcl_DeleteHashTable(oPtr->metadataPtr);
	ckfree(oPtr->metadataPtr);
	oPtr->metadataPtr = NULL;
    }

    /*
     * If this was a class, there's additional deletion work to do.
     */


    if (clsPtr != NULL) {
	Tcl_ObjectMetadataType *metadataTypePtr;
	ClientData value;


	if (clsPtr->metadataPtr != NULL) {
	    FOREACH_HASH(metadataTypePtr, value, clsPtr->metadataPtr) {
		metadataTypePtr->deleteProc(value);

	    }
	    Tcl_DeleteHashTable(clsPtr->metadataPtr);
	    ckfree(clsPtr->metadataPtr);
	    clsPtr->metadataPtr = NULL;
	}


	FOREACH(filterObj, clsPtr->filters) {
	    TclDecrRefCount(filterObj);
	}
	if (i) {
	    ckfree(clsPtr->filters.list);
	    clsPtr->filters.num = 0;


	}

	ClearMixins(clsPtr);





	ClearSuperclasses(clsPtr);


	if (clsPtr->subclasses.list) {
	    ckfree(clsPtr->subclasses.list);
	    clsPtr->subclasses.num = 0;
	}
	if (clsPtr->instances.list) {
	    ckfree(clsPtr->instances.list);
	    clsPtr->instances.num = 0;
	}



	if (clsPtr->mixinSubs.list) {
	    ckfree(clsPtr->mixinSubs.list);
	    clsPtr->mixinSubs.num = 0;
	}

	FOREACH_HASH_VALUE(mPtr, &clsPtr->classMethods) {
	    TclOODelMethodRef(mPtr);
	}
	Tcl_DeleteHashTable(&clsPtr->classMethods);
	TclOODelMethodRef(clsPtr->constructorPtr);
	TclOODelMethodRef(clsPtr->destructorPtr);




	FOREACH(variableObj, clsPtr->variables) {


	    TclDecrRefCount(variableObj);



	}
	if (i) {
	    ckfree(clsPtr->variables.list);


	}


	DelRef(clsPtr);
    }

    /*




     * Delete the object structure itself.
     */



    DelRef(oPtr);

}

 
/*
 * ----------------------------------------------------------------------
 *
 * TclOORemoveFromInstances --
 *
 *	Utility function to remove an object from the list of instances within
 *	a class.
 *
 * ----------------------------------------------------------------------
 */

void
TclOORemoveFromInstances(
    Object *oPtr,		/* The instance to remove. */
    Class *clsPtr)		/* The class (possibly) containing the
				 * reference to the instance. */
{
    int i;
    Object *instPtr;

    FOREACH(instPtr, clsPtr->instances) {
	if (oPtr == instPtr) {
	    goto removeInstance;



	}
    }
    return;

  removeInstance:
    if (Deleted(clsPtr->thisPtr)) {
	if (!IsRootClass(clsPtr)) {
	    DelRef(clsPtr->instances.list[i]);
	}
	clsPtr->instances.list[i] = NULL;
    } else {
	clsPtr->instances.num--;
	if (i < clsPtr->instances.num) {
	    clsPtr->instances.list[i] =
		    clsPtr->instances.list[clsPtr->instances.num];
	}
	clsPtr->instances.list[clsPtr->instances.num] = NULL;
    }
}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOAddToInstances --
 *
................................................................................
void
TclOOAddToInstances(
    Object *oPtr,		/* The instance to add. */
    Class *clsPtr)		/* The class to add the instance to. It is
				 * assumed that the class is not already
				 * present as an instance in the class. */
{
    if (Deleted(clsPtr->thisPtr)) {
	return;
    }
    if (clsPtr->instances.num >= clsPtr->instances.size) {
	clsPtr->instances.size += ALLOC_CHUNK;
	if (clsPtr->instances.size == ALLOC_CHUNK) {
	    clsPtr->instances.list = ckalloc(sizeof(Object *) * ALLOC_CHUNK);
	} else {
	    clsPtr->instances.list = ckrealloc(clsPtr->instances.list,
		    sizeof(Object *) * clsPtr->instances.size);
	}
    }
    clsPtr->instances.list[clsPtr->instances.num++] = oPtr;




































}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOORemoveFromSubclasses --
 *
 *	Utility function to remove a class from the list of subclasses within
 *	another class.
 *
 * ----------------------------------------------------------------------
 */

void
TclOORemoveFromSubclasses(
    Class *subPtr,		/* The subclass to remove. */
    Class *superPtr)		/* The superclass to (possibly) remove the
				 * subclass reference from. */
{
    int i;
    Class *subclsPtr;

    FOREACH(subclsPtr, superPtr->subclasses) {
	if (subPtr == subclsPtr) {
	    goto removeSubclass;


	}
    }
    return;

  removeSubclass:
    if (!Deleted(superPtr->thisPtr)) {
	superPtr->subclasses.num--;
	if (i < superPtr->subclasses.num) {
	    superPtr->subclasses.list[i] =
		    superPtr->subclasses.list[superPtr->subclasses.num];
	}
	superPtr->subclasses.list[superPtr->subclasses.num] = NULL;
    }
}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOAddToSubclasses --
 *
................................................................................
{
    if (Deleted(superPtr->thisPtr)) {
	return;
    }
    if (superPtr->subclasses.num >= superPtr->subclasses.size) {
	superPtr->subclasses.size += ALLOC_CHUNK;
	if (superPtr->subclasses.size == ALLOC_CHUNK) {
	    superPtr->subclasses.list = ckalloc(sizeof(Class*) * ALLOC_CHUNK);
	} else {
	    superPtr->subclasses.list = ckrealloc(superPtr->subclasses.list,
		    sizeof(Class *) * superPtr->subclasses.size);
	}
    }
    superPtr->subclasses.list[superPtr->subclasses.num++] = subPtr;

}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOORemoveFromMixinSubs --
 *
 *	Utility function to remove a class from the list of mixinSubs within
 *	another class.
 *
 * ----------------------------------------------------------------------
 */

void
TclOORemoveFromMixinSubs(
    Class *subPtr,		/* The subclass to remove. */
    Class *superPtr)		/* The superclass to (possibly) remove the
				 * subclass reference from. */
{
    int i;
    Class *subclsPtr;

    FOREACH(subclsPtr, superPtr->mixinSubs) {
	if (subPtr == subclsPtr) {
	    goto removeSubclass;



	}
    }
    return;

  removeSubclass:
    if (!Deleted(superPtr->thisPtr)) {
	superPtr->mixinSubs.num--;
	if (i < superPtr->mixinSubs.num) {
	    superPtr->mixinSubs.list[i] =
		    superPtr->mixinSubs.list[superPtr->mixinSubs.num];
	}
	superPtr->mixinSubs.list[superPtr->mixinSubs.num] = NULL;
    }
}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOAddToMixinSubs --
 *
................................................................................
	    superPtr->mixinSubs.list = ckalloc(sizeof(Class *) * ALLOC_CHUNK);
	} else {
	    superPtr->mixinSubs.list = ckrealloc(superPtr->mixinSubs.list,
		    sizeof(Class *) * superPtr->mixinSubs.size);
	}
    }
    superPtr->mixinSubs.list[superPtr->mixinSubs.num++] = subPtr;

}
 
/*
 * ----------------------------------------------------------------------
 *
 * AllocClass --
 *
 *	Allocate a basic class. Does not splice the class object into its
 *	class's instance list.
 *
 * ----------------------------------------------------------------------
 */

static Class *
AllocClass(
    Tcl_Interp *interp,		/* Interpreter within which to allocate the
				 * class. */
    Object *useThisObj)		/* Object that is to act as the class
				 * representation, or NULL if a new object
				 * (with automatic name) is to be used. */
{
    Foundation *fPtr = GetFoundation(interp);
    Class *clsPtr = ckalloc(sizeof(Class));

    /*
     * Make an object if we haven't been given one.
     */

    memset(clsPtr, 0, sizeof(Class));
    if (useThisObj == NULL) {
	clsPtr->thisPtr = AllocObject(interp, NULL, NULL);
    } else {
	clsPtr->thisPtr = useThisObj;
    }

    /*
     * Configure the namespace path for the class's object.
     */

    if (fPtr->helpersNs != NULL) {
	Tcl_Namespace *path[2];

	path[0] = fPtr->helpersNs;
	path[1] = fPtr->ooNs;
	TclSetNsPath((Namespace *) clsPtr->thisPtr->namespacePtr, 2, path);
    } else {
	TclSetNsPath((Namespace *) clsPtr->thisPtr->namespacePtr, 1,
		&fPtr->ooNs);
    }

    /*
     * Class objects inherit from the class of classes unless they inherit
     * from some subclass of it. Enforce this right now.
     */

    clsPtr->thisPtr->selfCls = fPtr->classCls;


    /*
     * Classes are subclasses of oo::object, i.e. the objects they create are
     * objects.
     */

    clsPtr->superclasses.num = 1;
    clsPtr->superclasses.list = ckalloc(sizeof(Class *));
    clsPtr->superclasses.list[0] = fPtr->objectCls;


    /*
     * Finish connecting the class structure to the object structure.
     */

    clsPtr->thisPtr->classPtr = clsPtr;

    /*
     * That's the complicated bit. Now fill in the rest of the non-zero/NULL
     * fields.
     */

    clsPtr->refCount = 1;
    Tcl_InitObjHashTable(&clsPtr->classMethods);
    return clsPtr;













}
 
/*
 * ----------------------------------------------------------------------
 *
 * Tcl_NewObjectInstance --
 *
 *	Allocate a new instance of an object.
 *
 * ----------------------------------------------------------------------
 */

Tcl_Object
Tcl_NewObjectInstance(
    Tcl_Interp *interp,		/* Interpreter context. */
    Tcl_Class cls,		/* Class to create an instance of. */
    const char *nameStr,	/* Name of object to create, or NULL to ask
				 * the code to pick its own unique name. */
    const char *nsNameStr,	/* Name of namespace to create inside object,
................................................................................
    int objc,			/* Number of arguments. Negative value means
				 * do not call constructor. */
    Tcl_Obj *const *objv,	/* Argument list. */
    int skip)			/* Number of arguments to _not_ pass to the
				 * constructor. */
{
    register Class *classPtr = (Class *) cls;
    Foundation *fPtr = GetFoundation(interp);
    Object *oPtr;


    /*
     * Check if we're going to create an object over an existing command;
     * that's not allowed.
     */

    if (nameStr && Tcl_FindCommand(interp, nameStr, NULL,
	    TCL_NAMESPACE_ONLY)) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"can't create object \"%s\": command already exists with"
		" that name", nameStr));
	Tcl_SetErrorCode(interp, "TCL", "OO", "OVERWRITE_OBJECT", NULL);

	return NULL;
    }

    /*
     * Create the object.
     */

    oPtr = AllocObject(interp, nameStr, nsNameStr);
    oPtr->selfCls = classPtr;
    TclOOAddToInstances(oPtr, classPtr);

    /*
     * Check to see if we're really creating a class. If so, allocate the
     * class structure as well.
     */

    if (TclOOIsReachable(fPtr->classCls, classPtr)) {
	/*
	 * Is a class, so attach a class structure. Note that the AllocClass
	 * function splices the structure into the object, so we don't have
	 * to. Once that's done, we need to repatch the object to have the
	 * right class since AllocClass interferes with that.
	 */

	AllocClass(interp, oPtr);
	oPtr->selfCls = classPtr;
	TclOOAddToSubclasses(oPtr->classPtr, fPtr->objectCls);
    }

    /*
     * Run constructors, except when objc < 0 (a special flag case used for
     * object cloning only).
     */

    if (objc >= 0) {
	CallContext *contextPtr =
		TclOOGetCallContext(oPtr, NULL, CONSTRUCTOR, NULL);

	if (contextPtr != NULL) {
................................................................................
	    Tcl_InterpState state;

	    state = Tcl_SaveInterpState(interp, TCL_OK);
	    contextPtr->callPtr->flags |= CONSTRUCTOR;
	    contextPtr->skip = skip;

	    /*
	     * Adjust the ensmble tracking record if necessary. [Bug 3514761]
	     */

	    isRoot = TclInitRewriteEnsemble(interp, skip, skip, objv);
	    result = Tcl_NRCallObjProc(interp, TclOOInvokeContext, contextPtr,
		    objc, objv);

	    if (isRoot) {
		TclResetRewriteEnsemble(interp, 1);
	    }

	    /*

	     * It's an error if the object was whacked in the constructor.
	     * Force this if it isn't already an error (don't want to lose
	     * errors by accident...) [Bug 2903011]
	     */

	    if (result != TCL_ERROR && Deleted(oPtr)) {
		Tcl_SetObjResult(interp, Tcl_NewStringObj(
			"object deleted in constructor", -1));
		Tcl_SetErrorCode(interp, "TCL", "OO", "STILLBORN", NULL);
		result = TCL_ERROR;
	    }
	    TclOODeleteContext(contextPtr);

	    if (result != TCL_OK) {
		Tcl_DiscardInterpState(state);

		/*
		 * Take care to not delete a deleted object; that would be
		 * bad. [Bug 2903011] Also take care to make sure that we have
		 * the name of the command before we delete it. [Bug
		 * 9dd1bd7a74]
		 */

		if (!Deleted(oPtr)) {
		    (void) TclOOObjectName(interp, oPtr);
		    Tcl_DeleteCommandFromToken(interp, oPtr->command);
		}
		return NULL;
	    }
	    Tcl_RestoreInterpState(interp, state);
	}
    }

    return (Tcl_Object) oPtr;
}

int
................................................................................
    Tcl_Obj *const *objv,	/* Argument list. */
    int skip,			/* Number of arguments to _not_ pass to the
				 * constructor. */
    Tcl_Object *objectPtr)	/* Place to write the object reference upon
				 * successful allocation. */
{
    register Class *classPtr = (Class *) cls;
    Foundation *fPtr = GetFoundation(interp);
    CallContext *contextPtr;
    Tcl_InterpState state;
    Object *oPtr;

    /*
     * Check if we're going to create an object over an existing command;
     * that's not allowed.
     */

    if (nameStr && Tcl_FindCommand(interp, nameStr, NULL,
	    TCL_NAMESPACE_ONLY)) {
	Tcl_SetObjResult(interp, Tcl_ObjPrintf(
		"can't create object \"%s\": command already exists with"
		" that name", nameStr));
	Tcl_SetErrorCode(interp, "TCL", "OO", "OVERWRITE_OBJECT", NULL);

	return TCL_ERROR;
    }

    /*
     * Create the object.
     */

    oPtr = AllocObject(interp, nameStr, nsNameStr);
    oPtr->selfCls = classPtr;
    TclOOAddToInstances(oPtr, classPtr);

    /*
     * Check to see if we're really creating a class. If so, allocate the
     * class structure as well.
     */

    if (TclOOIsReachable(fPtr->classCls, classPtr)) {
	/*
	 * Is a class, so attach a class structure. Note that the AllocClass
	 * function splices the structure into the object, so we don't have
	 * to. Once that's done, we need to repatch the object to have the
	 * right class since AllocClass interferes with that.
	 */

	AllocClass(interp, oPtr);
	oPtr->selfCls = classPtr;
	TclOOAddToSubclasses(oPtr->classPtr, fPtr->objectCls);
    }

    /*
     * Run constructors, except when objc < 0 (a special flag case used for
     * object cloning only). If there aren't any constructors, we do nothing.
     */

    if (objc < 0) {
................................................................................
    }

    state = Tcl_SaveInterpState(interp, TCL_OK);
    contextPtr->callPtr->flags |= CONSTRUCTOR;
    contextPtr->skip = skip;

    /*
     * Adjust the ensmble tracking record if necessary. [Bug 3514761]
     */

    if (TclInitRewriteEnsemble(interp, skip, skip, objv)) {
	TclNRAddCallback(interp, TclClearRootEnsemble, NULL, NULL, NULL, NULL);
    }

    /*
     * Fire off the constructors non-recursively.
     */

    AddRef(oPtr);
    TclNRAddCallback(interp, FinalizeAlloc, contextPtr, oPtr, state,
	    objectPtr);
    TclPushTailcallPoint(interp);
    return TclOOInvokeContext(contextPtr, interp, objc, objv);
}





































































static int
FinalizeAlloc(
    ClientData data[],
    Tcl_Interp *interp,
    int result)
{
    CallContext *contextPtr = data[0];
    Object *oPtr = data[1];
    Tcl_InterpState state = data[2];
    Tcl_Object *objectPtr = data[3];

    /*
     * It's an error if the object was whacked in the constructor. Force this
     * if it isn't already an error (don't want to lose errors by accident...)
     * [Bug 2903011]
     */

    if (result != TCL_ERROR && Deleted(oPtr)) {
	Tcl_SetObjResult(interp, Tcl_NewStringObj(
		"object deleted in constructor", -1));
	Tcl_SetErrorCode(interp, "TCL", "OO", "STILLBORN", NULL);
	result = TCL_ERROR;
    }
    TclOODeleteContext(contextPtr);
    if (result != TCL_OK) {
	Tcl_DiscardInterpState(state);

	/*
	 * Take care to not delete a deleted object; that would be bad. [Bug
	 * 2903011] Also take care to make sure that we have the name of the
	 * command before we delete it. [Bug 9dd1bd7a74]
	 */

	if (!Deleted(oPtr)) {
	    (void) TclOOObjectName(interp, oPtr);
	    Tcl_DeleteCommandFromToken(interp, oPtr->command);
	}
	DelRef(oPtr);

	return TCL_ERROR;
    }
    Tcl_RestoreInterpState(interp, state);
    *objectPtr = (Tcl_Object) oPtr;
    DelRef(oPtr);

    return TCL_OK;
}
 
/*
 * ----------------------------------------------------------------------
 *
 * Tcl_CopyObjectInstance --
................................................................................
	}
    }

    /*
     * Copy the object's mixin references to the new object.
     */


    FOREACH(mixinPtr, o2Ptr->mixins) {
	if (mixinPtr && mixinPtr != o2Ptr->selfCls) {
	    TclOORemoveFromInstances(o2Ptr, mixinPtr);
	}



    }
    DUPLICATE(o2Ptr->mixins, oPtr->mixins, Class *);
    FOREACH(mixinPtr, o2Ptr->mixins) {
	if (mixinPtr && mixinPtr != o2Ptr->selfCls) {
	    TclOOAddToInstances(o2Ptr, mixinPtr);
	}


    }

    /*
     * Copy the object's filter list to the new object.
     */

    DUPLICATE(o2Ptr->filters, oPtr->filters, Tcl_Obj *);
................................................................................
     * Copy the object's flags to the new object, clearing those that must be
     * kept object-local. The duplicate is never deleted at this point, nor is
     * it the root of the object system or in the midst of processing a filter
     * call.
     */

    o2Ptr->flags = oPtr->flags & ~(
	    OBJECT_DELETED | ROOT_OBJECT | ROOT_CLASS | FILTER_HANDLING);

    /*
     * Copy the object's metadata.
     */

    if (oPtr->metadataPtr != NULL) {
	Tcl_ObjectMetadataType *metadataTypePtr;
	ClientData value, duplicate;
................................................................................
	/*
	 * Ensure that the new class's superclass structure is the same as the
	 * old class's.
	 */

	FOREACH(superPtr, cls2Ptr->superclasses) {
	    TclOORemoveFromSubclasses(cls2Ptr, superPtr);

	}
	if (cls2Ptr->superclasses.num) {
	    cls2Ptr->superclasses.list = ckrealloc(cls2Ptr->superclasses.list,
		    sizeof(Class *) * clsPtr->superclasses.num);
	} else {
	    cls2Ptr->superclasses.list =
		    ckalloc(sizeof(Class *) * clsPtr->superclasses.num);
	}
	memcpy(cls2Ptr->superclasses.list, clsPtr->superclasses.list,
		sizeof(Class *) * clsPtr->superclasses.num);
	cls2Ptr->superclasses.num = clsPtr->superclasses.num;
	FOREACH(superPtr, cls2Ptr->superclasses) {
	    TclOOAddToSubclasses(cls2Ptr, superPtr);





	}

	/*
	 * Duplicate the source class's filters.
	 */

	DUPLICATE(cls2Ptr->filters, clsPtr->filters, Tcl_Obj *);
................................................................................
	}

	/*
	 * Duplicate the source class's mixins (which cannot be circular
	 * references to the duplicate).
	 */


	FOREACH(mixinPtr, cls2Ptr->mixins) {
	    TclOORemoveFromMixinSubs(cls2Ptr, mixinPtr);

	}
	if (cls2Ptr->mixins.num != 0) {
	    ckfree(clsPtr->mixins.list);
	}
	DUPLICATE(cls2Ptr->mixins, clsPtr->mixins, Class *);
	FOREACH(mixinPtr, cls2Ptr->mixins) {
	    TclOOAddToMixinSubs(cls2Ptr, mixinPtr);


	}

	/*
	 * Duplicate the source class's methods, constructor and destructor.
	 */

	FOREACH_HASH(keyPtr, mPtr, &clsPtr->classMethods) {
................................................................................
}
 
/*
 * ----------------------------------------------------------------------
 *
 * PublicObjectCmd, PrivateObjectCmd, TclOOInvokeObject --
 *
 *	Main entry point for object invokations. The Public* and Private*
 *	wrapper functions (implementations of both object instance commands
 *	and [my]) are just thin wrappers round the main TclOOObjectCmdCore
 *	function. Note that the core is function is NRE-aware.
 *
 * ----------------------------------------------------------------------
 */

................................................................................
}
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOObjectCmdCore, FinalizeObjectCall --
 *
 *	Main function for object invokations. Does call chain creation,
 *	management and invokation. The function FinalizeObjectCall exists to
 *	clean up after the non-recursive processing of TclOOObjectCmdCore.
 *
 * ----------------------------------------------------------------------
 */

int
TclOOObjectCmdCore(
    Object *oPtr,		/* The object being invoked. */
    Tcl_Interp *interp,		/* The interpreter containing the object. */
    int objc,			/* How many arguments are being passed in. */
    Tcl_Obj *const *objv,	/* The array of arguments. */
    int flags,			/* Whether this is an invokation through the
				 * public or the private command interface. */
    Class *startCls)		/* Where to start in the call chain, or NULL
				 * if we are to start at the front with
				 * filters and the object's methods (which is
				 * the normal case). */
{
    CallContext *contextPtr;
................................................................................
    }

    /*
     * Advance to the next method implementation in the chain in the method
     * call context while we process the body. However, need to adjust the
     * argument-skip control because we're guaranteed to have a single prefix
     * arg (i.e., 'next') and not the variable amount that can happen because
     * method invokations (i.e., '$obj meth' and 'my meth'), constructors
     * (i.e., '$cls new' and '$cls create obj') and destructors (no args at
     * all) come through the same code.
     */

    contextPtr->index++;
    contextPtr->skip = skip;

................................................................................
    }

    /*
     * Advance to the next method implementation in the chain in the method
     * call context while we process the body. However, need to adjust the
     * argument-skip control because we're guaranteed to have a single prefix
     * arg (i.e., 'next') and not the variable amount that can happen because
     * method invokations (i.e., '$obj meth' and 'my meth'), constructors
     * (i.e., '$cls new' and '$cls create obj') and destructors (no args at
     * all) come through the same code.
     */

    TclNRAddCallback(interp, FinalizeNext, contextPtr,
	    INT2PTR(contextPtr->index), INT2PTR(contextPtr->skip), NULL);
    contextPtr->index++;
................................................................................
    return (Tcl_Class) ((Object *)object)->classPtr;
}

int
Tcl_ObjectDeleted(
    Tcl_Object object)
{
    return Deleted(object) ? 1 : 0;
}

Tcl_Object
Tcl_GetClassAsObject(
    Tcl_Class clazz)
{
    return (Tcl_Object) ((Class *)clazz)->thisPtr;





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/*
 * tclOO.c --
 *
 *	This file contains the object-system core (NB: not Tcl_Obj, but ::oo)
 *
 * Copyright (c) 2005-2012 by Donal K. Fellows
 * Copyright (c) 2017 by Nathan Coulter
 *
 * See the file "license.terms" for information on usage and redistribution of
 * this file, and for a DISCLAIMER OF ALL WARRANTIES.
 */

#ifdef HAVE_CONFIG_H
#include "config.h"
................................................................................

#define ALLOC_CHUNK 8

/*
 * Function declarations for things defined in this file.
 */


static Object *		AllocObject(Tcl_Interp *interp, const char *nameStr,
			    Namespace *nsPtr, const char *nsNameStr);


static int		CloneClassMethod(Tcl_Interp *interp, Class *clsPtr,
			    Method *mPtr, Tcl_Obj *namePtr,
			    Method **newMPtrPtr);
static int		CloneObjectMethod(Tcl_Interp *interp, Object *oPtr,
			    Method *mPtr, Tcl_Obj *namePtr);
static void		DeletedDefineNamespace(ClientData clientData);
static void		DeletedObjdefNamespace(ClientData clientData);
static void		DeletedHelpersNamespace(ClientData clientData);
static Tcl_NRPostProc	FinalizeAlloc;
static Tcl_NRPostProc	FinalizeNext;
static Tcl_NRPostProc	FinalizeObjectCall;
static void		initClassPath(Tcl_Interp * interp, Class *clsPtr);
static int		InitFoundation(Tcl_Interp *interp);
static void		KillFoundation(ClientData clientData,
			    Tcl_Interp *interp);
static void		MyDeleted(ClientData clientData);
static void		ObjectNamespaceDeleted(ClientData clientData);
static void		ObjectRenamedTrace(ClientData clientData,
			    Tcl_Interp *interp, const char *oldName,
			    const char *newName, int flags);

static inline void	SquelchCachedName(Object *oPtr);


static int		PublicObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static int		PublicNRObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static int		PrivateObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static int		PrivateNRObjectCmd(ClientData clientData,
			    Tcl_Interp *interp, int objc,
			    Tcl_Obj *const *objv);
static void		RemoveClass(Class ** list, int num, int idx);
static void		RemoveObject(Object ** list, int num, int idx);

/*
 * Methods in the oo::object and oo::class classes. First, we define a helper
 * macro that makes building the method type declaration structure a lot
 * easier. No point in making life harder than it has to be!
 *
 * Note that the core methods don't need clone or free proc callbacks.
................................................................................
 *
 * The ocPtr parameter (only in these macros) is assumed to work fine with
 * either an oPtr or a classPtr. Note that the roots oo::object and oo::class
 * have _both_ their object and class flags tagged with ROOT_OBJECT and
 * ROOT_CLASS respectively.
 */

#define Deleted(oPtr)		((oPtr)->flags & OBJECT_DELETED)
#define IsRootObject(ocPtr)	((ocPtr)->flags & ROOT_OBJECT)
#define IsRootClass(ocPtr)	((ocPtr)->flags & ROOT_CLASS)
#define IsRoot(ocPtr)		((ocPtr)->flags & (ROOT_OBJECT|ROOT_CLASS))

#define RemoveItem(type, lst, i) \
    do { \
	Remove ## type ((lst).list, (lst).num, i); \
	(lst).num--; \
    } while (0)
 
/*
 * ----------------------------------------------------------------------
 *
 * TclOOInit --
 *
 *	Called to initialise the OO system within an interpreter.
................................................................................
    Tcl_Interp *interp)
{
    static Tcl_ThreadDataKey tsdKey;
    ThreadLocalData *tsdPtr =
	    Tcl_GetThreadData(&tsdKey, sizeof(ThreadLocalData));
    Foundation *fPtr = ckalloc(sizeof(Foundation));
    Tcl_Obj *namePtr, *argsPtr, *bodyPtr;

    Class fakeCls;
    Object fakeObject;

    Tcl_DString buffer;
    Command *cmdPtr;
    int i;

    /*
     * Initialize the structure that holds the OO system core. This is
     * attached to the interpreter via an assocData entry; not very efficient,
................................................................................
    Tcl_CallWhenDeleted(interp, KillFoundation, NULL);

    /*
     * Create the objects at the core of the object system. These need to be
     * spliced manually.
     */

    /* Stand up a phony class for bootstrapping. */
    fPtr->objectCls = &fakeCls;

    /* referenced in TclOOAllocClass to increment the refCount. */
    fakeCls.thisPtr = &fakeObject;

    fPtr->objectCls = TclOOAllocClass(interp,
	    AllocObject(interp, "object", (Namespace *)fPtr->ooNs, NULL));

    /* Corresponding TclOODecrRefCount in KillFoudation */
    AddRef(fPtr->objectCls->thisPtr);


    /* This is why it is unnecessary in this routine to replace the
     * incremented reference count of fPtr->objectCls that was swallowed by
     * fakeObject. */
    fPtr->objectCls->superclasses.num = 0;
    ckfree(fPtr->objectCls->superclasses.list);
    fPtr->objectCls->superclasses.list = NULL;

    /* special initialization for the primordial objects */
    fPtr->objectCls->thisPtr->flags |= ROOT_OBJECT;
    fPtr->objectCls->flags |= ROOT_OBJECT;

    fPtr->classCls = TclOOAllocClass(interp,
	    AllocObject(interp, "class", (Namespace *)fPtr->ooNs, NULL));
    /* Corresponding TclOODecrRefCount in KillFoudation */
    AddRef(fPtr->classCls->thisPtr);

    /*
     * Increment reference counts for each reference because these
     * relationships can be dynamically changed.
     *
     * Corresponding TclOODecrRefCount for all incremented refcounts is in
     * KillFoundation.
     */

    /* Rewire bootstrapped objects. */
    fPtr->objectCls->thisPtr->selfCls = fPtr->classCls;
    AddRef(fPtr->classCls->thisPtr);

    TclOOAddToInstances(fPtr->objectCls->thisPtr, fPtr->classCls);

    fPtr->classCls->thisPtr->selfCls = fPtr->classCls;
    AddRef(fPtr->classCls->thisPtr);
    TclOOAddToInstances(fPtr->classCls->thisPtr, fPtr->classCls);

    fPtr->classCls->thisPtr->flags |= ROOT_CLASS;
    fPtr->classCls->flags |= ROOT_CLASS;

    /* Standard initialization for new Objects */
    TclOOAddToSubclasses(fPtr->classCls, fPtr->objectCls);



    /*
     * Basic method declarations for the core classes.
     */

    for (i=0 ; objMethods[i].name ; i++) {
	TclOONewBasicMethod(interp, fPtr->objectCls, &objMethods[i]);
................................................................................
    ClientData clientData,	/* Pointer to the OO system foundation
				 * structure. */
    Tcl_Interp *interp)		/* The interpreter containing the OO system
				 * foundation. */
{
    Foundation *fPtr = GetFoundation(interp);



    TclDecrRefCount(fPtr->unknownMethodNameObj);
    TclDecrRefCount(fPtr->constructorName);
    TclDecrRefCount(fPtr->destructorName);
    TclDecrRefCount(fPtr->clonedName);
    TclDecrRefCount(fPtr->defineName);
    TclOODecrRefCount(fPtr->objectCls->thisPtr);
    TclOODecrRefCount(fPtr->classCls->thisPtr);

    ckfree(fPtr);
}
 
/*
 * ----------------------------------------------------------------------
 *
 * AllocObject --
 *
 *	Allocate an object of basic type. Does not splice the object into its
 *	class's instance list.  The caller must set the classPtr on the object
 *	to either a class or NULL, call TclOOAddToInstances to add the object
 *	to the class's instance list, and if the object itself is a class, use
 *	call TclOOAddToSubclasses() to add it to the right class's list of
 *	subclasses.
 *
 * ----------------------------------------------------------------------
 */

static Object *
AllocObject(
    Tcl_Interp *interp,		/* Interpreter within which to create the
				 * object. */
    const char *nameStr,	/* The name of the object to create, or NULL
				 * if the OO system should pick the object
				 * name itself (equal to the namespace
				 * name). */
    Namespace *nsPtr,		/* The namespace to create the object in,
				   or NULL if *nameStr is NULL */
    const char *nsNameStr)	/* The name of the namespace to create, or
				 * NULL if the OO system should pick a unique
				 * name itself. If this is non-NULL but names
				 * a namespace that already exists, the effect
				 * will be the same as if this was NULL. */
{
    Foundation *fPtr = GetFoundation(interp);
    Object *oPtr;
    Command *cmdPtr;
    CommandTrace *tracePtr;
    int creationEpoch;

    oPtr = ckalloc(sizeof(Object));
    memset(oPtr, 0, sizeof(Object));

    /*
     * Every object has a namespace; make one. Note that this also normally
     * computes the creation epoch value for the object, a sequence number
................................................................................
     * When creating a namespace, we first check to see if the caller
     * specified the name for the namespace. If not, we generate namespace
     * names using the epoch until such time as a new namespace is actually
     * created.
     */

    if (nsNameStr != NULL) {
	oPtr->namespacePtr = Tcl_CreateNamespace(interp, nsNameStr, oPtr, NULL);

	if (oPtr->namespacePtr != NULL) {
	    creationEpoch = ++fPtr->tsdPtr->nsCount;
	    goto configNamespace;
	}
	Tcl_ResetResult(interp);
    }

    while (1) {
	char objName[10 + TCL_INTEGER_SPACE];

	sprintf(objName, "::oo::Obj%d", ++fPtr->tsdPtr->nsCount);
	oPtr->namespacePtr = Tcl_CreateNamespace(interp, objName, oPtr, NULL);

	if (oPtr->namespacePtr != NULL) {
	    creationEpoch = fPtr->tsdPtr->nsCount;
	    break;
	}

	/*
	 * Could not make that namespace, so we make another. But first we
................................................................................
	 * have to get rid of the error message from Tcl_CreateNamespace,
	 * since that's something that should not be exposed to the user.
	 */

	Tcl_ResetResult(interp);
    }


  configNamespace:

    ((Namespace *)oPtr->namespacePtr)->refCount++;

    /*
     * Make the namespace know about the helper commands. This grants access
     * to the [self] and [next] commands.
     */


    if (fPtr->helpersNs != NULL) {
	TclSetNsPath((Namespace *) oPtr->namespacePtr, 1, &fPtr->helpersNs);
    }
    TclOOSetupVariableResolver(oPtr->namespacePtr);

    /*
     * Suppress use of compiled versions of the commands in this object's
................................................................................

    /*
     * Set up a callback to get notification of the deletion of a namespace
     * when enough of the namespace still remains to execute commands and
     * access variables in it. [Bug 2950259]
     */

    ((Namespace *) oPtr->namespacePtr)->earlyDeleteProc = ObjectNamespaceDeleted;

    /*
     * Fill in the rest of the non-zero/NULL parts of the structure.
     */

    oPtr->fPtr = fPtr;

    oPtr->creationEpoch = creationEpoch;

    /*
     * An object starts life with a refCount of 2 to mark the two stages of
     * destruction it occur:  A call to ObjectRenamedTrace(), and a call to
     * ObjectNamespaceDeleted(). 
     */
    oPtr->refCount = 2;

    oPtr->flags = USE_CLASS_CACHE;

    /*
     * Finally, create the object commands and initialize the trace on the
     * public command (so that the object structures are deleted when the
     * command is deleted).
     */

    if (!nameStr) {
	nameStr = oPtr->namespacePtr->name;
	nsPtr = (Namespace *)oPtr->namespacePtr;
	if (nsPtr->parentPtr != NULL) {
	    nsPtr = nsPtr->parentPtr;



	}









    }
    oPtr->command = TclCreateObjCommandInNs(interp, nameStr,
	(Tcl_Namespace *)nsPtr, PublicObjectCmd, oPtr, NULL);

    /*
     * Add the NRE command and trace directly. While this breaks a number of
     * abstractions, it is faster and we're inside Tcl here so we're allowed.
     */

    cmdPtr = (Command *) oPtr->command;
................................................................................
    cmdPtr->tracePtr = tracePtr = ckalloc(sizeof(CommandTrace));
    tracePtr->traceProc = ObjectRenamedTrace;
    tracePtr->clientData = oPtr;
    tracePtr->flags = TCL_TRACE_RENAME|TCL_TRACE_DELETE;
    tracePtr->nextPtr = NULL;
    tracePtr->refCount = 1;

















    oPtr->myCommand = TclNRCreateCommandInNs(interp, "my", oPtr->namespacePtr,
	PrivateObjectCmd, PrivateNRObjectCmd, oPtr, MyDeleted);



    return oPtr;
}
 
/*
 * ----------------------------------------------------------------------
 *
 * SquelchCachedName --
................................................................................

    oPtr->myCommand = NULL;
}
 
/*
 * ----------------------------------------------------------------------
 *
























 * ObjectRenamedTrace --
 *
 *	This callback is triggered when the object is deleted by any
 *	mechanism. It runs the destructors and arranges for the actual cleanup
 *	of the object's namespace, which in turn triggers cleansing of the
 *	object data structures.
 *
................................................................................
    ClientData clientData,	/* The object being deleted. */
    Tcl_Interp *interp,		/* The interpreter containing the object. */
    const char *oldName,	/* What the object was (last) called. */
    const char *newName,	/* What it's getting renamed to. (unused) */
    int flags)			/* Why was the object deleted? */
{
    Object *oPtr = clientData;


    /*
     * If this is a rename and not a delete of the object, we just flush the
     * cache of the object name.
     */

    if (flags & TCL_TRACE_RENAME) {
	SquelchCachedName(oPtr);
	return;
    }

    /*
     * The namespace is only deleted if it hasn't already been deleted. [Bug
     * 2950259].

     */










    if (!Deleted(oPtr)) {
	Tcl_DeleteNamespace(oPtr->namespacePtr);
    }





    oPtr->command = NULL;
    TclOODecrRefCount(oPtr);
    return;
}





 











/*
 * ----------------------------------------------------------------------
 *
 * TclOODeleteDescendants --


 *




 *	Delete all descendants of a particular class.
 *





 * ----------------------------------------------------------------------
 */





void
TclOODeleteDescendants(
    Tcl_Interp *interp,		/* The interpreter containing the class. */
    Object *oPtr)		/* The object representing the class. */
{



    Class *clsPtr = oPtr->classPtr, *subclassPtr, *mixinSubclassPtr;
    Object *instancePtr;


    /*


     * Squelch classes that this class has been mixed into.
     */



    if (clsPtr->mixinSubs.num > 0) {
	while (clsPtr->mixinSubs.num > 0) {
	    mixinSubclassPtr = clsPtr->mixinSubs.list[clsPtr->mixinSubs.num-1];
	    /* This condition also covers the case where mixinSubclassPtr ==
	     * clsPtr
	     */
	    if (!Deleted(mixinSubclassPtr->thisPtr)
		    && !(mixinSubclassPtr->thisPtr->flags & DONT_DELETE)) {
		Tcl_DeleteCommandFromToken(interp,
			mixinSubclassPtr->thisPtr->command);
	    }


	    TclOORemoveFromMixinSubs(mixinSubclassPtr, clsPtr);
	}





    }
    if (clsPtr->mixinSubs.size > 0) {
	ckfree(clsPtr->mixinSubs.list);
	clsPtr->mixinSubs.size = 0;
    }
    /*

     * Squelch subclasses of this class.
     */















    if (clsPtr->subclasses.num > 0) {

	while (clsPtr->subclasses.num > 0) {
	    subclassPtr = clsPtr->subclasses.list[clsPtr->subclasses.num-1];
	    if (!Deleted(subclassPtr->thisPtr) && !IsRoot(subclassPtr)
		    && !(subclassPtr->thisPtr->flags & DONT_DELETE)) {
		Tcl_DeleteCommandFromToken(interp,
			subclassPtr->thisPtr->command);
	    }
	    TclOORemoveFromSubclasses(subclassPtr, clsPtr);
	}


    }
    if (clsPtr->subclasses.size > 0) {
	ckfree(clsPtr->subclasses.list);
	clsPtr->subclasses.list = NULL;

	clsPtr->subclasses.size = 0;
    }




    /*
     * Squelch instances of this class (includes objects we're mixed into).
     */



    if (clsPtr->instances.num > 0) {
	while (clsPtr->instances.num > 0) {
	    instancePtr = clsPtr->instances.list[clsPtr->instances.num-1];
	    /* This condition also covers the case where instancePtr == oPtr */
	    if (!Deleted(instancePtr) && !IsRoot(instancePtr) &&
		    !(instancePtr->flags & DONT_DELETE)) {
		Tcl_DeleteCommandFromToken(interp, instancePtr->command);
	    }


	    TclOORemoveFromInstances(instancePtr, clsPtr);
	}
    }