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Overview
Comment:merge trunk
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | ISC-peephole
Files: files | file ages | folders
SHA1: 9842555cd94acca33df0ffbaf1d79d634452b3bc
User & Date: mig 2013-01-15 19:35:52
Original Comment: peephole INST_START_CMD before entering the big switch in tebc
Context
2013-01-15
19:37
peephole INST_START_CMD before entering the big switch in tebc check-in: 832a1994c7 user: mig tags: trunk
19:35
merge trunk Closed-Leaf check-in: 9842555cd9 user: mig tags: ISC-peephole
19:26
remove [4522b11989], it breaks the build on linux check-in: f00093f08c user: mig tags: trunk
2013-01-12
10:53
discouraging the compiler from re-reading *pc in the peephole loop, part2 (any diff?) check-in: 6a87d68046 user: mig tags: ISC-peephole
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

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2013-01-09  Jan Nijtmans  <[email protected]>

	* library/http/http.tcl: [Bug 3599395]: http assumes status line
	is a proper tcl list.

2013-01-08  Jan Nijtmans  <[email protected]>

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2013-01-14  Jan Nijtmans  <[email protected]>

	* generic/tclInt.decls: Put back Tcl_[GS]etStartupScript in
	internal stub table, so extensions using this, compiled
	against 8.5 headers still run in Tcl 8.6.

2013-01-13  Alexandre Ferrieux  <[email protected]>
	* doc/fileevent.n: Clarify readable fileevent "false positives" in
	the case of multibyte encodings/transforms [Bug 3436609].

2013-01-13  Jan Nijtmans  <[email protected]>

	* generic/tclIntDecls.h: If TCL_NO_DEPRECATED is defined, make
	sure that TIP #139 functions all are taken from the public stub
	table, even if the inclusion is through tclInt.h.

2013-01-12  Jan Nijtmans  <[email protected]>

	* generic/tclInt.decls: Put back TclBackgroundException in
	internal stub table, so extensions using this, compiled
	against 8.5 headers still run in Tcl 8.6.

2013-01-09  Jan Nijtmans  <[email protected]>

	* library/http/http.tcl: [Bug 3599395]: http assumes status line
	is a proper tcl list.

2013-01-08  Jan Nijtmans  <[email protected]>

Changes to doc/fileevent.n.

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check for end of file, an infinite loop may occur where \fIscript\fR
reads no data, returns, and is immediately invoked again.
.PP
A channel is considered to be writable if at least one byte of data
can be written to the underlying file or device without blocking,
or if an error condition is present on the underlying file or device.
.PP
Event-driven I/O works best for channels that have been
placed into nonblocking mode with the \fBfconfigure\fR command.
In blocking mode, a \fBputs\fR command may block if you give it
more data than the underlying file or device can accept, and a
\fBgets\fR or \fBread\fR command will block if you attempt to read



more data than is ready;  no events will be processed while the
commands block.

In nonblocking mode \fBputs\fR, \fBread\fR, and \fBgets\fR never block.
See the documentation for the individual commands for information
on how they handle blocking and nonblocking channels.
.PP
Testing for the end of file condition should be done after any attempts
read the channel data. The eof flag is set once an attempt to read the
end of data has occurred and testing before this read will require an






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check for end of file, an infinite loop may occur where \fIscript\fR
reads no data, returns, and is immediately invoked again.
.PP
A channel is considered to be writable if at least one byte of data
can be written to the underlying file or device without blocking,
or if an error condition is present on the underlying file or device.
.PP
Event-driven I/O works best for channels that have been placed into
nonblocking mode with the \fBfconfigure\fR command.  In blocking mode,
a \fBputs\fR command may block if you give it more data than the
underlying file or device can accept, and a \fBgets\fR or \fBread\fR
command will block if you attempt to read more data than is ready; a
readable underlying file or device may not even guarantee that a
blocking [read 1] will succeed (counter-examples being multi-byte
encodings, compression or encryption transforms ). In all such cases,
no events will be processed while the commands block.

.PP
In nonblocking mode \fBputs\fR, \fBread\fR, and \fBgets\fR never block.
See the documentation for the individual commands for information
on how they handle blocking and nonblocking channels.
.PP
Testing for the end of file condition should be done after any attempts
read the channel data. The eof flag is set once an attempt to read the
end of data has occurred and testing before this read will require an

Changes to generic/tclInt.decls.

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declare 176 {
    void TclCleanupVar(Var *varPtr, Var *arrayPtr)
}
declare 177 {
    void TclVarErrMsg(Tcl_Interp *interp, const char *part1, const char *part2,
	    const char *operation, const char *reason)
}
# TIP 338 made these public - now declared in tcl.h
#declare 178 {
#    void Tcl_SetStartupScript(Tcl_Obj *pathPtr, const char *encodingName)
#}

#declare 179 {
#    Tcl_Obj *Tcl_GetStartupScript(const char **encodingNamePtr)
#}


# REMOVED
# Allocate lists without copying arrays
# declare 180 {
#    Tcl_Obj *TclNewListObjDirect(int objc, Tcl_Obj **objv)
# }
#declare 181 {
................................................................................
}
declare 235 {
    void TclInitVarHashTable(TclVarHashTable *tablePtr, Namespace *nsPtr)
}


# TIP 337 made this one public
#declare 236 {
#    void TclBackgroundException(Tcl_Interp *interp, int code)
#}


# TIP #285: Script cancellation support.
declare 237 {
    int TclResetCancellation(Tcl_Interp *interp, int force)
}

# NRE functions for "rogue" extensions to exploit NRE; they will need to






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declare 176 {
    void TclCleanupVar(Var *varPtr, Var *arrayPtr)
}
declare 177 {
    void TclVarErrMsg(Tcl_Interp *interp, const char *part1, const char *part2,
	    const char *operation, const char *reason)
}
# TIP 338 made these public - now declared in tcl.h too
declare 178 {
    void Tcl_SetStartupScript(Tcl_Obj *pathPtr, const char *encodingName)

}
declare 179 {
    Tcl_Obj *Tcl_GetStartupScript(const char **encodingNamePtr)

}

# REMOVED
# Allocate lists without copying arrays
# declare 180 {
#    Tcl_Obj *TclNewListObjDirect(int objc, Tcl_Obj **objv)
# }
#declare 181 {
................................................................................
}
declare 235 {
    void TclInitVarHashTable(TclVarHashTable *tablePtr, Namespace *nsPtr)
}


# TIP 337 made this one public
declare 236 {
    void TclBackgroundException(Tcl_Interp *interp, int code)

}

# TIP #285: Script cancellation support.
declare 237 {
    int TclResetCancellation(Tcl_Interp *interp, int force)
}

# NRE functions for "rogue" extensions to exploit NRE; they will need to

Changes to generic/tclIntDecls.h.

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#      define TCL_STORAGE_CLASS
#   else
#      define TCL_STORAGE_CLASS DLLIMPORT
#   endif
#endif

/* [Bug #803489] Tcl_FindNamespace problem in the Stubs table */
#undef Tcl_AppendExportList
#undef Tcl_CreateNamespace
#undef Tcl_DeleteNamespace

#undef Tcl_Export
#undef Tcl_FindCommand
#undef Tcl_FindNamespace


#undef Tcl_FindNamespaceVar
#undef Tcl_ForgetImport
#undef Tcl_GetCommandFromObj
#undef Tcl_GetCommandFullName
#undef Tcl_GetCurrentNamespace
#undef Tcl_GetGlobalNamespace
#undef Tcl_Import

/*
 * WARNING: This file is automatically generated by the tools/genStubs.tcl
 * script.  Any modifications to the function declarations below should be made
 * in the generic/tclInt.decls script.
 */

................................................................................
				int leaveErrMsg);
/* 176 */
EXTERN void		TclCleanupVar(Var *varPtr, Var *arrayPtr);
/* 177 */
EXTERN void		TclVarErrMsg(Tcl_Interp *interp, const char *part1,
				const char *part2, const char *operation,
				const char *reason);
/* Slot 178 is reserved */
/* Slot 179 is reserved */



/* Slot 180 is reserved */
/* Slot 181 is reserved */
/* 182 */
EXTERN struct tm *	TclpLocaltime(const time_t *clock);
/* 183 */
EXTERN struct tm *	TclpGmtime(const time_t *clock);
/* Slot 184 is reserved */
................................................................................
EXTERN void		TclGetSrcInfoForPc(CmdFrame *contextPtr);
/* 234 */
EXTERN Var *		TclVarHashCreateVar(TclVarHashTable *tablePtr,
				const char *key, int *newPtr);
/* 235 */
EXTERN void		TclInitVarHashTable(TclVarHashTable *tablePtr,
				Namespace *nsPtr);
/* Slot 236 is reserved */

/* 237 */
EXTERN int		TclResetCancellation(Tcl_Interp *interp, int force);
/* 238 */
EXTERN int		TclNRInterpProc(ClientData clientData,
				Tcl_Interp *interp, int objc,
				Tcl_Obj *const objv[]);
/* 239 */
................................................................................
    int (*tclCheckExecutionTraces) (Tcl_Interp *interp, const char *command, int numChars, Command *cmdPtr, int result, int traceFlags, int objc, Tcl_Obj *const objv[]); /* 171 */
    int (*tclInThreadExit) (void); /* 172 */
    int (*tclUniCharMatch) (const Tcl_UniChar *string, int strLen, const Tcl_UniChar *pattern, int ptnLen, int flags); /* 173 */
    void (*reserved174)(void);
    int (*tclCallVarTraces) (Interp *iPtr, Var *arrayPtr, Var *varPtr, const char *part1, const char *part2, int flags, int leaveErrMsg); /* 175 */
    void (*tclCleanupVar) (Var *varPtr, Var *arrayPtr); /* 176 */
    void (*tclVarErrMsg) (Tcl_Interp *interp, const char *part1, const char *part2, const char *operation, const char *reason); /* 177 */
    void (*reserved178)(void);
    void (*reserved179)(void);
    void (*reserved180)(void);
    void (*reserved181)(void);
    struct tm * (*tclpLocaltime) (const time_t *clock); /* 182 */
    struct tm * (*tclpGmtime) (const time_t *clock); /* 183 */
    void (*reserved184)(void);
    void (*reserved185)(void);
    void (*reserved186)(void);
................................................................................
    int (*tclPtrMakeUpvar) (Tcl_Interp *interp, Var *otherP1Ptr, const char *myName, int myFlags, int index); /* 229 */
    Var * (*tclObjLookupVar) (Tcl_Interp *interp, Tcl_Obj *part1Ptr, const char *part2, int flags, const char *msg, const int createPart1, const int createPart2, Var **arrayPtrPtr); /* 230 */
    int (*tclGetNamespaceFromObj) (Tcl_Interp *interp, Tcl_Obj *objPtr, Tcl_Namespace **nsPtrPtr); /* 231 */
    int (*tclEvalObjEx) (Tcl_Interp *interp, Tcl_Obj *objPtr, int flags, const CmdFrame *invoker, int word); /* 232 */
    void (*tclGetSrcInfoForPc) (CmdFrame *contextPtr); /* 233 */
    Var * (*tclVarHashCreateVar) (TclVarHashTable *tablePtr, const char *key, int *newPtr); /* 234 */
    void (*tclInitVarHashTable) (TclVarHashTable *tablePtr, Namespace *nsPtr); /* 235 */
    void (*reserved236)(void);
    int (*tclResetCancellation) (Tcl_Interp *interp, int force); /* 237 */
    int (*tclNRInterpProc) (ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); /* 238 */
    int (*tclNRInterpProcCore) (Tcl_Interp *interp, Tcl_Obj *procNameObj, int skip, ProcErrorProc *errorProc); /* 239 */
    int (*tclNRRunCallbacks) (Tcl_Interp *interp, int result, struct NRE_callback *rootPtr); /* 240 */
    int (*tclNREvalObjEx) (Tcl_Interp *interp, Tcl_Obj *objPtr, int flags, const CmdFrame *invoker, int word); /* 241 */
    int (*tclNREvalObjv) (Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], int flags, Command *cmdPtr); /* 242 */
    void (*tclDbDumpActiveObjects) (FILE *outFile); /* 243 */
................................................................................
/* Slot 174 is reserved */
#define TclCallVarTraces \
	(tclIntStubsPtr->tclCallVarTraces) /* 175 */
#define TclCleanupVar \
	(tclIntStubsPtr->tclCleanupVar) /* 176 */
#define TclVarErrMsg \
	(tclIntStubsPtr->tclVarErrMsg) /* 177 */
/* Slot 178 is reserved */
/* Slot 179 is reserved */


/* Slot 180 is reserved */
/* Slot 181 is reserved */
#define TclpLocaltime \
	(tclIntStubsPtr->tclpLocaltime) /* 182 */
#define TclpGmtime \
	(tclIntStubsPtr->tclpGmtime) /* 183 */
/* Slot 184 is reserved */
................................................................................
	(tclIntStubsPtr->tclEvalObjEx) /* 232 */
#define TclGetSrcInfoForPc \
	(tclIntStubsPtr->tclGetSrcInfoForPc) /* 233 */
#define TclVarHashCreateVar \
	(tclIntStubsPtr->tclVarHashCreateVar) /* 234 */
#define TclInitVarHashTable \
	(tclIntStubsPtr->tclInitVarHashTable) /* 235 */
/* Slot 236 is reserved */

#define TclResetCancellation \
	(tclIntStubsPtr->tclResetCancellation) /* 237 */
#define TclNRInterpProc \
	(tclIntStubsPtr->tclNRInterpProc) /* 238 */
#define TclNRInterpProcCore \
	(tclIntStubsPtr->tclNRInterpProcCore) /* 239 */
#define TclNRRunCallbacks \
................................................................................

#endif /* defined(USE_TCL_STUBS) */

/* !END!: Do not edit above this line. */

#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT
















































#endif /* _TCLINTDECLS */






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#      define TCL_STORAGE_CLASS
#   else
#      define TCL_STORAGE_CLASS DLLIMPORT
#   endif
#endif

/* [Bug #803489] Tcl_FindNamespace problem in the Stubs table */

#undef Tcl_CreateNamespace
#undef Tcl_DeleteNamespace
#undef Tcl_AppendExportList
#undef Tcl_Export
#undef Tcl_Import
#undef Tcl_ForgetImport
#undef Tcl_GetCurrentNamespace
#undef Tcl_GetGlobalNamespace
#undef Tcl_FindNamespace
#undef Tcl_FindCommand
#undef Tcl_GetCommandFromObj
#undef Tcl_GetCommandFullName
#undef Tcl_SetStartupScript
#undef Tcl_GetStartupScript


/*
 * WARNING: This file is automatically generated by the tools/genStubs.tcl
 * script.  Any modifications to the function declarations below should be made
 * in the generic/tclInt.decls script.
 */

................................................................................
				int leaveErrMsg);
/* 176 */
EXTERN void		TclCleanupVar(Var *varPtr, Var *arrayPtr);
/* 177 */
EXTERN void		TclVarErrMsg(Tcl_Interp *interp, const char *part1,
				const char *part2, const char *operation,
				const char *reason);
/* 178 */
EXTERN void		Tcl_SetStartupScript(Tcl_Obj *pathPtr,
				const char *encodingName);
/* 179 */
EXTERN Tcl_Obj *	Tcl_GetStartupScript(const char **encodingNamePtr);
/* Slot 180 is reserved */
/* Slot 181 is reserved */
/* 182 */
EXTERN struct tm *	TclpLocaltime(const time_t *clock);
/* 183 */
EXTERN struct tm *	TclpGmtime(const time_t *clock);
/* Slot 184 is reserved */
................................................................................
EXTERN void		TclGetSrcInfoForPc(CmdFrame *contextPtr);
/* 234 */
EXTERN Var *		TclVarHashCreateVar(TclVarHashTable *tablePtr,
				const char *key, int *newPtr);
/* 235 */
EXTERN void		TclInitVarHashTable(TclVarHashTable *tablePtr,
				Namespace *nsPtr);
/* 236 */
EXTERN void		TclBackgroundException(Tcl_Interp *interp, int code);
/* 237 */
EXTERN int		TclResetCancellation(Tcl_Interp *interp, int force);
/* 238 */
EXTERN int		TclNRInterpProc(ClientData clientData,
				Tcl_Interp *interp, int objc,
				Tcl_Obj *const objv[]);
/* 239 */
................................................................................
    int (*tclCheckExecutionTraces) (Tcl_Interp *interp, const char *command, int numChars, Command *cmdPtr, int result, int traceFlags, int objc, Tcl_Obj *const objv[]); /* 171 */
    int (*tclInThreadExit) (void); /* 172 */
    int (*tclUniCharMatch) (const Tcl_UniChar *string, int strLen, const Tcl_UniChar *pattern, int ptnLen, int flags); /* 173 */
    void (*reserved174)(void);
    int (*tclCallVarTraces) (Interp *iPtr, Var *arrayPtr, Var *varPtr, const char *part1, const char *part2, int flags, int leaveErrMsg); /* 175 */
    void (*tclCleanupVar) (Var *varPtr, Var *arrayPtr); /* 176 */
    void (*tclVarErrMsg) (Tcl_Interp *interp, const char *part1, const char *part2, const char *operation, const char *reason); /* 177 */
    void (*tcl_SetStartupScript) (Tcl_Obj *pathPtr, const char *encodingName); /* 178 */
    Tcl_Obj * (*tcl_GetStartupScript) (const char **encodingNamePtr); /* 179 */
    void (*reserved180)(void);
    void (*reserved181)(void);
    struct tm * (*tclpLocaltime) (const time_t *clock); /* 182 */
    struct tm * (*tclpGmtime) (const time_t *clock); /* 183 */
    void (*reserved184)(void);
    void (*reserved185)(void);
    void (*reserved186)(void);
................................................................................
    int (*tclPtrMakeUpvar) (Tcl_Interp *interp, Var *otherP1Ptr, const char *myName, int myFlags, int index); /* 229 */
    Var * (*tclObjLookupVar) (Tcl_Interp *interp, Tcl_Obj *part1Ptr, const char *part2, int flags, const char *msg, const int createPart1, const int createPart2, Var **arrayPtrPtr); /* 230 */
    int (*tclGetNamespaceFromObj) (Tcl_Interp *interp, Tcl_Obj *objPtr, Tcl_Namespace **nsPtrPtr); /* 231 */
    int (*tclEvalObjEx) (Tcl_Interp *interp, Tcl_Obj *objPtr, int flags, const CmdFrame *invoker, int word); /* 232 */
    void (*tclGetSrcInfoForPc) (CmdFrame *contextPtr); /* 233 */
    Var * (*tclVarHashCreateVar) (TclVarHashTable *tablePtr, const char *key, int *newPtr); /* 234 */
    void (*tclInitVarHashTable) (TclVarHashTable *tablePtr, Namespace *nsPtr); /* 235 */
    void (*tclBackgroundException) (Tcl_Interp *interp, int code); /* 236 */
    int (*tclResetCancellation) (Tcl_Interp *interp, int force); /* 237 */
    int (*tclNRInterpProc) (ClientData clientData, Tcl_Interp *interp, int objc, Tcl_Obj *const objv[]); /* 238 */
    int (*tclNRInterpProcCore) (Tcl_Interp *interp, Tcl_Obj *procNameObj, int skip, ProcErrorProc *errorProc); /* 239 */
    int (*tclNRRunCallbacks) (Tcl_Interp *interp, int result, struct NRE_callback *rootPtr); /* 240 */
    int (*tclNREvalObjEx) (Tcl_Interp *interp, Tcl_Obj *objPtr, int flags, const CmdFrame *invoker, int word); /* 241 */
    int (*tclNREvalObjv) (Tcl_Interp *interp, int objc, Tcl_Obj *const objv[], int flags, Command *cmdPtr); /* 242 */
    void (*tclDbDumpActiveObjects) (FILE *outFile); /* 243 */
................................................................................
/* Slot 174 is reserved */
#define TclCallVarTraces \
	(tclIntStubsPtr->tclCallVarTraces) /* 175 */
#define TclCleanupVar \
	(tclIntStubsPtr->tclCleanupVar) /* 176 */
#define TclVarErrMsg \
	(tclIntStubsPtr->tclVarErrMsg) /* 177 */
#define Tcl_SetStartupScript \
	(tclIntStubsPtr->tcl_SetStartupScript) /* 178 */
#define Tcl_GetStartupScript \
	(tclIntStubsPtr->tcl_GetStartupScript) /* 179 */
/* Slot 180 is reserved */
/* Slot 181 is reserved */
#define TclpLocaltime \
	(tclIntStubsPtr->tclpLocaltime) /* 182 */
#define TclpGmtime \
	(tclIntStubsPtr->tclpGmtime) /* 183 */
/* Slot 184 is reserved */
................................................................................
	(tclIntStubsPtr->tclEvalObjEx) /* 232 */
#define TclGetSrcInfoForPc \
	(tclIntStubsPtr->tclGetSrcInfoForPc) /* 233 */
#define TclVarHashCreateVar \
	(tclIntStubsPtr->tclVarHashCreateVar) /* 234 */
#define TclInitVarHashTable \
	(tclIntStubsPtr->tclInitVarHashTable) /* 235 */
#define TclBackgroundException \
	(tclIntStubsPtr->tclBackgroundException) /* 236 */
#define TclResetCancellation \
	(tclIntStubsPtr->tclResetCancellation) /* 237 */
#define TclNRInterpProc \
	(tclIntStubsPtr->tclNRInterpProc) /* 238 */
#define TclNRInterpProcCore \
	(tclIntStubsPtr->tclNRInterpProcCore) /* 239 */
#define TclNRRunCallbacks \
................................................................................

#endif /* defined(USE_TCL_STUBS) */

/* !END!: Do not edit above this line. */

#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT

#undef TclBackgroundException

#if defined(USE_TCL_STUBS) && defined(TCL_NO_DEPRECATED)
#   undef Tcl_SetStartupScript
#   define Tcl_SetStartupScript \
	    (tclStubsPtr->tcl_SetStartupScript) /* 622 */
#   undef Tcl_GetStartupScript
#   define Tcl_GetStartupScript \
	    (tclStubsPtr->tcl_GetStartupScript) /* 623 */
#   undef Tcl_CreateNamespace
#   define Tcl_CreateNamespace \
	   (tclStubsPtr->tcl_CreateNamespace) /* 506 */
#   undef Tcl_DeleteNamespace
#   define Tcl_DeleteNamespace \
	   (tclStubsPtr->tcl_DeleteNamespace) /* 507 */
#   undef Tcl_AppendExportList
#   define Tcl_AppendExportList \
	   (tclStubsPtr->tcl_AppendExportList) /* 508 */
#   undef Tcl_Export
#   define Tcl_Export \
	   (tclStubsPtr->tcl_Export) /* 509 */
#   undef Tcl_Import
#   define Tcl_Import \
	   (tclStubsPtr->tcl_Import) /* 510 */
#   undef Tcl_ForgetImport
#   define Tcl_ForgetImport \
	   (tclStubsPtr->tcl_ForgetImport) /* 511 */
#   undef Tcl_GetCurrentNamespace
#   define Tcl_GetCurrentNamespace \
	   (tclStubsPtr->tcl_GetCurrentNamespace) /* 512 */
#   undef Tcl_GetGlobalNamespace
#   define Tcl_GetGlobalNamespace \
	   (tclStubsPtr->tcl_GetGlobalNamespace) /* 513 */
#   undef Tcl_FindNamespace
#   define Tcl_FindNamespace \
	   (tclStubsPtr->tcl_FindNamespace) /* 514 */
#   undef Tcl_FindCommand
#   define Tcl_FindCommand \
	   (tclStubsPtr->tcl_FindCommand) /* 515 */
#   undef Tcl_GetCommandFromObj
#   define Tcl_GetCommandFromObj \
	   (tclStubsPtr->tcl_GetCommandFromObj) /* 516 */
#   undef Tcl_GetCommandFullName
#   define Tcl_GetCommandFullName \
	   (tclStubsPtr->tcl_GetCommandFullName) /* 517 */
#endif

#endif /* _TCLINTDECLS */

Changes to generic/tclStubInit.c.

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#undef Tcl_ValidateAllMemory
#undef Tcl_FindHashEntry
#undef Tcl_CreateHashEntry
#undef Tcl_Panic
#undef Tcl_FindExecutable
#undef TclpGetPid
#undef TclSockMinimumBuffers


/* See bug 510001: TclSockMinimumBuffers needs plat imp */
#ifdef _WIN64
#   define TclSockMinimumBuffersOld 0
#else
#define TclSockMinimumBuffersOld sockMinimumBuffersOld
static int TclSockMinimumBuffersOld(int sock, int size)
................................................................................
    TclCheckExecutionTraces, /* 171 */
    TclInThreadExit, /* 172 */
    TclUniCharMatch, /* 173 */
    0, /* 174 */
    TclCallVarTraces, /* 175 */
    TclCleanupVar, /* 176 */
    TclVarErrMsg, /* 177 */
    0, /* 178 */
    0, /* 179 */
    0, /* 180 */
    0, /* 181 */
    TclpLocaltime, /* 182 */
    TclpGmtime, /* 183 */
    0, /* 184 */
    0, /* 185 */
    0, /* 186 */
................................................................................
    TclPtrMakeUpvar, /* 229 */
    TclObjLookupVar, /* 230 */
    TclGetNamespaceFromObj, /* 231 */
    TclEvalObjEx, /* 232 */
    TclGetSrcInfoForPc, /* 233 */
    TclVarHashCreateVar, /* 234 */
    TclInitVarHashTable, /* 235 */
    0, /* 236 */
    TclResetCancellation, /* 237 */
    TclNRInterpProc, /* 238 */
    TclNRInterpProcCore, /* 239 */
    TclNRRunCallbacks, /* 240 */
    TclNREvalObjEx, /* 241 */
    TclNREvalObjv, /* 242 */
    TclDbDumpActiveObjects, /* 243 */






>







 







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|







 







|







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#undef Tcl_ValidateAllMemory
#undef Tcl_FindHashEntry
#undef Tcl_CreateHashEntry
#undef Tcl_Panic
#undef Tcl_FindExecutable
#undef TclpGetPid
#undef TclSockMinimumBuffers
#define TclBackgroundException Tcl_BackgroundException

/* See bug 510001: TclSockMinimumBuffers needs plat imp */
#ifdef _WIN64
#   define TclSockMinimumBuffersOld 0
#else
#define TclSockMinimumBuffersOld sockMinimumBuffersOld
static int TclSockMinimumBuffersOld(int sock, int size)
................................................................................
    TclCheckExecutionTraces, /* 171 */
    TclInThreadExit, /* 172 */
    TclUniCharMatch, /* 173 */
    0, /* 174 */
    TclCallVarTraces, /* 175 */
    TclCleanupVar, /* 176 */
    TclVarErrMsg, /* 177 */
    Tcl_SetStartupScript, /* 178 */
    Tcl_GetStartupScript, /* 179 */
    0, /* 180 */
    0, /* 181 */
    TclpLocaltime, /* 182 */
    TclpGmtime, /* 183 */
    0, /* 184 */
    0, /* 185 */
    0, /* 186 */
................................................................................
    TclPtrMakeUpvar, /* 229 */
    TclObjLookupVar, /* 230 */
    TclGetNamespaceFromObj, /* 231 */
    TclEvalObjEx, /* 232 */
    TclGetSrcInfoForPc, /* 233 */
    TclVarHashCreateVar, /* 234 */
    TclInitVarHashTable, /* 235 */
    TclBackgroundException, /* 236 */
    TclResetCancellation, /* 237 */
    TclNRInterpProc, /* 238 */
    TclNRInterpProcCore, /* 239 */
    TclNRRunCallbacks, /* 240 */
    TclNREvalObjEx, /* 241 */
    TclNREvalObjv, /* 242 */
    TclDbDumpActiveObjects, /* 243 */

Changes to generic/tclVar.c.

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			    Tcl_HashSearch *searchPtr);
static inline Var *	VarHashNextVar(Tcl_HashSearch *searchPtr);
static inline void	CleanupVar(Var *varPtr, Var *arrayPtr);

#define VarHashGetValue(hPtr) \
    ((Var *) ((char *)hPtr - TclOffset(VarInHash, entry)))








static inline Var *
VarHashCreateVar(
    TclVarHashTable *tablePtr,
    Tcl_Obj *key,
    int *newPtr)
{
    Tcl_HashEntry *hPtr = Tcl_CreateHashEntry(&tablePtr->table,
................................................................................
				 * name, if it doesn't already exist. If 0,
				 * return error if it doesn't exist. */
    Var **arrayPtrPtr)		/* If the name refers to an element of an
				 * array, *arrayPtrPtr gets filled in with
				 * address of array variable. Otherwise this
				 * is set to NULL. */
{
    Tcl_Obj *part1Ptr;
    Var *varPtr;


    part1Ptr = Tcl_NewStringObj(part1, -1);
    Tcl_IncrRefCount(part1Ptr);


    varPtr = TclObjLookupVar(interp, part1Ptr, part2, flags, msg,
	    createPart1, createPart2, arrayPtrPtr);

    TclDecrRefCount(part1Ptr);
    return varPtr;
}
................................................................................
 *	VAR_UNDEFINED) by a trace.
 *
 * Side effects:
 *	New hashtable entries may be created if createPart1 or createPart2
 *	are 1. The object part1Ptr is converted to one of localVarNameType,
 *	tclNsVarNameType or tclParsedVarNameType and caches as much of the
 *	lookup as it can.


 *
 *----------------------------------------------------------------------
 */

Var *
TclObjLookupVar(
    Tcl_Interp *interp,		/* Interpreter to use for lookup. */
................................................................................
				 * name, if it doesn't already exist. If 0,
				 * return error if it doesn't exist. */
    Var **arrayPtrPtr)		/* If the name refers to an element of an
				 * array, *arrayPtrPtr gets filled in with
				 * address of array variable. Otherwise this
				 * is set to NULL. */
{
    Tcl_Obj *part2Ptr;
    Var *resPtr;

    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);
    } else {
	part2Ptr = NULL;
    }

    resPtr = TclObjLookupVarEx(interp, part1Ptr, part2Ptr,
	    flags, msg, createPart1, createPart2, arrayPtrPtr);

    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
 *	if create is 1 (this only causes the hash table entry to be created).
 *	For example, the variable might be a global that has been unset but is
 *	still referenced by a procedure, or a variable that has been unset but
 *	it only being kept in existence (if VAR_UNDEFINED) by a trace.
 *
 * Side effects:
 *	A new hashtable entry may be created if create is 1.

 *
 *----------------------------------------------------------------------
 */

Var *
TclLookupSimpleVar(
    Tcl_Interp *interp,		/* Interpreter to use for lookup. */
................................................................................
    const char *part1,		/* Name of an array (if part2 is non-NULL) or
				 * the name of a variable. */
    const char *part2,		/* If non-NULL, gives the name of an element
				 * in the array part1. */
    int flags)			/* OR-ed combination of TCL_GLOBAL_ONLY, and
				 * TCL_LEAVE_ERR_MSG bits. */
{
    Tcl_Obj *part1Ptr, *part2Ptr, *resPtr;

    part1Ptr = Tcl_NewStringObj(part1, -1);
    Tcl_IncrRefCount(part1Ptr);
    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);
    } else {
	part2Ptr = NULL;
    }

    resPtr = Tcl_ObjGetVar2(interp, part1Ptr, part2Ptr, flags);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
				 * NULL. */
    const char *newValue,	/* New value for variable. */
    int flags)			/* Various flags that tell how to set value:
				 * any of TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_APPEND_VALUE, TCL_LIST_ELEMENT, or
				 * TCL_LEAVE_ERR_MSG. */
{
    Tcl_Obj *valuePtr, *part1Ptr, *part2Ptr;
    Tcl_Obj *varValuePtr;

    part1Ptr = Tcl_NewStringObj(part1, -1);
    Tcl_IncrRefCount(part1Ptr);
    if (part2 != NULL) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);
    } else {
	part2Ptr = NULL;
    }
    valuePtr = Tcl_NewStringObj(newValue, -1);
    Tcl_IncrRefCount(valuePtr);

    varValuePtr = Tcl_ObjSetVar2(interp, part1Ptr, part2Ptr, valuePtr, flags);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr != NULL) {
	Tcl_DecrRefCount(part2Ptr);
    }
    Tcl_DecrRefCount(valuePtr);
    if (varValuePtr == NULL) {
	return NULL;
    }
    return TclGetString(varValuePtr);
}
 
/*
................................................................................
				 * in the array part1. */
    Tcl_Obj *newValuePtr,	/* New value for variable. */
    int flags)			/* Various flags that tell how to set value:
				 * any of TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_APPEND_VALUE, TCL_LIST_ELEMENT or
				 * TCL_LEAVE_ERR_MSG. */
{
    Tcl_Obj *part1Ptr, *part2Ptr, *resPtr;

    part1Ptr = Tcl_NewStringObj(part1, -1);
    Tcl_IncrRefCount(part1Ptr);
    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);
    } else {
	part2Ptr = NULL;
    }

    resPtr = Tcl_ObjSetVar2(interp, part1Ptr, part2Ptr, newValuePtr, flags);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
 *	left in the interpreter's result. Note that the returned object may
 *	not be the same one referenced by newValuePtr; this is because
 *	variable traces may modify the variable's value.
 *
 * Side effects:
 *	The value of the given variable is set. If either the array or the
 *	entry didn't exist then a new variable is created.

 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
Tcl_ObjSetVar2(
    Tcl_Interp *interp,		/* Command interpreter in which variable is to
................................................................................
 *
 * Side effects:
 *	The value of the given variable is incremented by the specified
 *	amount. If either the array or the entry didn't exist then a new
 *	variable is created. The ref count for the returned object is _not_
 *	incremented to reflect the returned reference; if you want to keep a
 *	reference to the object you must increment its ref count yourself.

 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclIncrObjVar2(
    Tcl_Interp *interp,		/* Command interpreter in which variable is to
................................................................................
				 * any of TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_APPEND_VALUE, TCL_LIST_ELEMENT,
				 * TCL_LEAVE_ERR_MSG. */
    int index)			/* Index into the local variable table of the
				 * variable, or -1. Only used when part1Ptr is
				 * NULL. */
{
    register Tcl_Obj *varValuePtr, *newValuePtr = NULL;
    int duplicated, code;

    if (TclIsVarInHash(varPtr)) {
	VarHashRefCount(varPtr)++;
    }
    varValuePtr = TclPtrGetVar(interp, varPtr, arrayPtr, part1Ptr, part2Ptr,
	    flags, index);
    if (TclIsVarInHash(varPtr)) {
	VarHashRefCount(varPtr)--;
    }
    if (varValuePtr == NULL) {
	varValuePtr = Tcl_NewIntObj(0);
    }
    if (Tcl_IsShared(varValuePtr)) {
	duplicated = 1;
	varValuePtr = Tcl_DuplicateObj(varValuePtr);
    } else {
	duplicated = 0;
    }
    code = TclIncrObj(interp, varValuePtr, incrPtr);
    if (code == TCL_OK) {
	newValuePtr = TclPtrSetVar(interp, varPtr, arrayPtr, part1Ptr,
		part2Ptr, varValuePtr, flags, index);
    } else if (duplicated) {
	Tcl_DecrRefCount(varValuePtr);

    }














    return newValuePtr;


}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_UnsetVar --
 *
................................................................................
    const char *part1,		/* Name of variable or array. */
    const char *part2,		/* Name of element within array or NULL. */
    int flags)			/* OR-ed combination of any of
				 * TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_LEAVE_ERR_MSG. */
{
    int result;
    Tcl_Obj *part1Ptr, *part2Ptr = NULL;

    part1Ptr = Tcl_NewStringObj(part1, -1);
    Tcl_IncrRefCount(part1Ptr);
    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);
    }

    /*
     * Filter to pass through only the flags this interface supports.
     */

    flags &= (TCL_GLOBAL_ONLY|TCL_NAMESPACE_ONLY|TCL_LEAVE_ERR_MSG);
................................................................................
 *	TclSetupEnv routine.
 *
 * Results:
 *	A standard Tcl result object.
 *
 * Side effects:
 *	A variable will be created if one does not already exist.

 *
 *----------------------------------------------------------------------
 */

int
TclArraySet(
    Tcl_Interp *interp,		/* Current interpreter. */
................................................................................
 *	A standard Tcl completion code. If an error occurs then an error
 *	message is left in iPtr->result.
 *
 * Side effects:
 *	The variable given by myName is linked to the variable in framePtr
 *	given by otherP1 and otherP2, so that references to myName are
 *	redirected to the other variable like a symbolic link.


 *
 *----------------------------------------------------------------------
 */

static int
ObjMakeUpvar(
    Tcl_Interp *interp,		/* Interpreter containing variables. Used for
................................................................................
    const char *myName,		/* Name of variable which will refer to
				 * otherP1/otherP2. Must be a scalar. */
    int myFlags,		/* 0, TCL_GLOBAL_ONLY or TCL_NAMESPACE_ONLY:
				 * indicates scope of myName. */
    int index)			/* If the variable to be linked is an indexed
				 * scalar, this is its index. Otherwise, -1 */
{
    Tcl_Obj *myNamePtr;
    int result;

    if (myName) {
	myNamePtr = Tcl_NewStringObj(myName, -1);
	Tcl_IncrRefCount(myNamePtr);
    } else {
	myNamePtr = NULL;
    }
    result = TclPtrObjMakeUpvar(interp, otherPtr, myNamePtr, myFlags, index);
    if (myNamePtr) {
	Tcl_DecrRefCount(myNamePtr);
    }
    return result;
}



int
TclPtrObjMakeUpvar(
    Tcl_Interp *interp,		/* Interpreter containing variables. Used for
				 * error messages, too. */
    Var *otherPtr,		/* Pointer to the variable being linked-to. */
    Tcl_Obj *myNamePtr,		/* Name of variable which will refer to
				 * otherP1/otherP2. Must be a scalar. */
................................................................................
    } else if (nsPtr == (Namespace *) TclGetCurrentNamespace(interp)) {
	flags = TCL_NAMESPACE_ONLY;
    }

    for (varPtr = VarHashFirstVar(tablePtr, &search);  varPtr != NULL;
	    varPtr = VarHashFirstVar(tablePtr, &search)) {
	Tcl_Obj *objPtr = Tcl_NewObj();

	Tcl_IncrRefCount(objPtr);
	VarHashRefCount(varPtr)++;	/* Make sure we get to remove from
					 * hash. */
	Tcl_GetVariableFullName(interp, (Tcl_Var) varPtr, objPtr);
	UnsetVarStruct(varPtr, NULL, iPtr, /* part1 */ objPtr, NULL, flags,
		-1);
	Tcl_DecrRefCount(objPtr);	/* Free no longer needed obj */

................................................................................
    Tcl_Interp *interp,		/* Interpreter in which to record message. */
    const char *part1,
    const char *part2,		/* Variable's two-part name. */
    const char *operation,	/* String describing operation that failed,
				 * e.g. "read", "set", or "unset". */
    const char *reason)		/* String describing why operation failed. */
{
    Tcl_Obj *part1Ptr = NULL, *part2Ptr = NULL;

    part1Ptr = Tcl_NewStringObj(part1, -1);
    Tcl_IncrRefCount(part1Ptr);
    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);
    } else {
	part2 = NULL;
    }

    TclObjVarErrMsg(interp, part1Ptr, part2Ptr, operation, reason, -1);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
				 * TCL_LEAVE_ERR_MSG. If both TCL_GLOBAL_ONLY
				 * and TCL_NAMESPACE_ONLY are given,
				 * TCL_GLOBAL_ONLY is ignored. */
{
    Tcl_Obj *namePtr = Tcl_NewStringObj(name, -1);
    Tcl_Var var;

    Tcl_IncrRefCount(namePtr);
    var = ObjFindNamespaceVar(interp, namePtr, contextNsPtr, flags);
    Tcl_DecrRefCount(namePtr);
    return var;
}

static Tcl_Var
ObjFindNamespaceVar(
................................................................................
     * to check both possible search paths: from the specified namespace
     * context and from the global namespace.
     */

    varPtr = NULL;
    if (simpleName != name) {
	simpleNamePtr = Tcl_NewStringObj(simpleName, -1);
	Tcl_IncrRefCount(simpleNamePtr);
    } else {
	simpleNamePtr = namePtr;
    }

    for (search = 0;  (search < 2) && (varPtr == NULL);  search++) {
	if ((nsPtr[search] != NULL) && (simpleName != NULL)) {
	    varPtr = VarHashFindVar(&nsPtr[search]->varTable, simpleNamePtr);






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			    Tcl_HashSearch *searchPtr);
static inline Var *	VarHashNextVar(Tcl_HashSearch *searchPtr);
static inline void	CleanupVar(Var *varPtr, Var *arrayPtr);

#define VarHashGetValue(hPtr) \
    ((Var *) ((char *)hPtr - TclOffset(VarInHash, entry)))

/*
 * NOTE: VarHashCreateVar increments the recount of its key argument.
 * All callers that will call Tcl_DecrRefCount on that argument must
 * call Tcl_IncrRefCount on it before passing it in.  This requirement
 * can bubble up to callers of callers .... etc.
 */

static inline Var *
VarHashCreateVar(
    TclVarHashTable *tablePtr,
    Tcl_Obj *key,
    int *newPtr)
{
    Tcl_HashEntry *hPtr = Tcl_CreateHashEntry(&tablePtr->table,
................................................................................
				 * name, if it doesn't already exist. If 0,
				 * return error if it doesn't exist. */
    Var **arrayPtrPtr)		/* If the name refers to an element of an
				 * array, *arrayPtrPtr gets filled in with
				 * address of array variable. Otherwise this
				 * is set to NULL. */
{

    Var *varPtr;
    Tcl_Obj *part1Ptr = Tcl_NewStringObj(part1, -1);

    if (createPart1) {
	Tcl_IncrRefCount(part1Ptr);
    }

    varPtr = TclObjLookupVar(interp, part1Ptr, part2, flags, msg,
	    createPart1, createPart2, arrayPtrPtr);

    TclDecrRefCount(part1Ptr);
    return varPtr;
}
................................................................................
 *	VAR_UNDEFINED) by a trace.
 *
 * Side effects:
 *	New hashtable entries may be created if createPart1 or createPart2
 *	are 1. The object part1Ptr is converted to one of localVarNameType,
 *	tclNsVarNameType or tclParsedVarNameType and caches as much of the
 *	lookup as it can.
 *	When createPart1 is 1, callers must IncrRefCount part1Ptr if they
 *	plan to DecrRefCount it.
 *
 *----------------------------------------------------------------------
 */

Var *
TclObjLookupVar(
    Tcl_Interp *interp,		/* Interpreter to use for lookup. */
................................................................................
				 * name, if it doesn't already exist. If 0,
				 * return error if it doesn't exist. */
    Var **arrayPtrPtr)		/* If the name refers to an element of an
				 * array, *arrayPtrPtr gets filled in with
				 * address of array variable. Otherwise this
				 * is set to NULL. */
{
    Tcl_Obj *part2Ptr = NULL;
    Var *resPtr;

    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);



    }

    resPtr = TclObjLookupVarEx(interp, part1Ptr, part2Ptr,
	    flags, msg, createPart1, createPart2, arrayPtrPtr);

    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
 *	if create is 1 (this only causes the hash table entry to be created).
 *	For example, the variable might be a global that has been unset but is
 *	still referenced by a procedure, or a variable that has been unset but
 *	it only being kept in existence (if VAR_UNDEFINED) by a trace.
 *
 * Side effects:
 *	A new hashtable entry may be created if create is 1.
 *	Callers must Incr varNamePtr if they plan to Decr it if create is 1.
 *
 *----------------------------------------------------------------------
 */

Var *
TclLookupSimpleVar(
    Tcl_Interp *interp,		/* Interpreter to use for lookup. */
................................................................................
    const char *part1,		/* Name of an array (if part2 is non-NULL) or
				 * the name of a variable. */
    const char *part2,		/* If non-NULL, gives the name of an element
				 * in the array part1. */
    int flags)			/* OR-ed combination of TCL_GLOBAL_ONLY, and
				 * TCL_LEAVE_ERR_MSG bits. */
{
    Tcl_Obj *resPtr, *part2Ptr = NULL, *part1Ptr = Tcl_NewStringObj(part1, -1);



    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);



    }

    resPtr = Tcl_ObjGetVar2(interp, part1Ptr, part2Ptr, flags);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
				 * NULL. */
    const char *newValue,	/* New value for variable. */
    int flags)			/* Various flags that tell how to set value:
				 * any of TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_APPEND_VALUE, TCL_LIST_ELEMENT, or
				 * TCL_LEAVE_ERR_MSG. */
{

    Tcl_Obj *varValuePtr = Tcl_SetVar2Ex(interp, part1, part2,









	    Tcl_NewStringObj(newValue, -1), flags);









    if (varValuePtr == NULL) {
	return NULL;
    }
    return TclGetString(varValuePtr);
}
 
/*
................................................................................
				 * in the array part1. */
    Tcl_Obj *newValuePtr,	/* New value for variable. */
    int flags)			/* Various flags that tell how to set value:
				 * any of TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_APPEND_VALUE, TCL_LIST_ELEMENT or
				 * TCL_LEAVE_ERR_MSG. */
{
    Tcl_Obj *resPtr, *part2Ptr = NULL, *part1Ptr = Tcl_NewStringObj(part1, -1);


    Tcl_IncrRefCount(part1Ptr);
    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);
	Tcl_IncrRefCount(part2Ptr);


    }

    resPtr = Tcl_ObjSetVar2(interp, part1Ptr, part2Ptr, newValuePtr, flags);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
 *	left in the interpreter's result. Note that the returned object may
 *	not be the same one referenced by newValuePtr; this is because
 *	variable traces may modify the variable's value.
 *
 * Side effects:
 *	The value of the given variable is set. If either the array or the
 *	entry didn't exist then a new variable is created.
 *	Callers must Incr part1Ptr if they plan to Decr it.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
Tcl_ObjSetVar2(
    Tcl_Interp *interp,		/* Command interpreter in which variable is to
................................................................................
 *
 * Side effects:
 *	The value of the given variable is incremented by the specified
 *	amount. If either the array or the entry didn't exist then a new
 *	variable is created. The ref count for the returned object is _not_
 *	incremented to reflect the returned reference; if you want to keep a
 *	reference to the object you must increment its ref count yourself.
 *	Callers must Incr part1Ptr if they plan to Decr it.
 *
 *----------------------------------------------------------------------
 */

Tcl_Obj *
TclIncrObjVar2(
    Tcl_Interp *interp,		/* Command interpreter in which variable is to
................................................................................
				 * any of TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_APPEND_VALUE, TCL_LIST_ELEMENT,
				 * TCL_LEAVE_ERR_MSG. */
    int index)			/* Index into the local variable table of the
				 * variable, or -1. Only used when part1Ptr is
				 * NULL. */
{
    register Tcl_Obj *varValuePtr;


    if (TclIsVarInHash(varPtr)) {
	VarHashRefCount(varPtr)++;
    }
    varValuePtr = TclPtrGetVar(interp, varPtr, arrayPtr, part1Ptr, part2Ptr,
	    flags, index);
    if (TclIsVarInHash(varPtr)) {
	VarHashRefCount(varPtr)--;
    }
    if (varValuePtr == NULL) {
	varValuePtr = Tcl_NewIntObj(0);
    }
    if (Tcl_IsShared(varValuePtr)) {
	/* Copy on write */
	varValuePtr = Tcl_DuplicateObj(varValuePtr);


	
	if (TCL_OK == TclIncrObj(interp, varValuePtr, incrPtr)) {

	    return TclPtrSetVar(interp, varPtr, arrayPtr, part1Ptr, part2Ptr,
		    varValuePtr, flags, index);
	} else {
	    Tcl_DecrRefCount(varValuePtr);
	    return NULL;
	}
    } else {
	/* Unshared - can Incr in place */
	if (TCL_OK == TclIncrObj(interp, varValuePtr, incrPtr)) {

	    /*
	     * This seems dumb to write the incremeted value into the var
	     * after we just adjusted the value in place, but the spec for
	     * [incr] requires that write traces fire, and making this call
	     * is the way to make that happen.
	     */

	    return TclPtrSetVar(interp, varPtr, arrayPtr, part1Ptr, part2Ptr,
		    varValuePtr, flags, index);
	} else {
	    return NULL;
	}
    }
}
 
/*
 *----------------------------------------------------------------------
 *
 * Tcl_UnsetVar --
 *
................................................................................
    const char *part1,		/* Name of variable or array. */
    const char *part2,		/* Name of element within array or NULL. */
    int flags)			/* OR-ed combination of any of
				 * TCL_GLOBAL_ONLY, TCL_NAMESPACE_ONLY,
				 * TCL_LEAVE_ERR_MSG. */
{
    int result;
    Tcl_Obj *part2Ptr = NULL, *part1Ptr = Tcl_NewStringObj(part1, -1);



    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);

    }

    /*
     * Filter to pass through only the flags this interface supports.
     */

    flags &= (TCL_GLOBAL_ONLY|TCL_NAMESPACE_ONLY|TCL_LEAVE_ERR_MSG);
................................................................................
 *	TclSetupEnv routine.
 *
 * Results:
 *	A standard Tcl result object.
 *
 * Side effects:
 *	A variable will be created if one does not already exist.
 *	Callers must Incr arrayNameObj if they pland to Decr it.
 *
 *----------------------------------------------------------------------
 */

int
TclArraySet(
    Tcl_Interp *interp,		/* Current interpreter. */
................................................................................
 *	A standard Tcl completion code. If an error occurs then an error
 *	message is left in iPtr->result.
 *
 * Side effects:
 *	The variable given by myName is linked to the variable in framePtr
 *	given by otherP1 and otherP2, so that references to myName are
 *	redirected to the other variable like a symbolic link.
 *	Callers must Incr myNamePtr if they plan to Decr it.
 *	Callers must Incr otherP1Ptr if they plan to Decr it.
 *
 *----------------------------------------------------------------------
 */

static int
ObjMakeUpvar(
    Tcl_Interp *interp,		/* Interpreter containing variables. Used for
................................................................................
    const char *myName,		/* Name of variable which will refer to
				 * otherP1/otherP2. Must be a scalar. */
    int myFlags,		/* 0, TCL_GLOBAL_ONLY or TCL_NAMESPACE_ONLY:
				 * indicates scope of myName. */
    int index)			/* If the variable to be linked is an indexed
				 * scalar, this is its index. Otherwise, -1 */
{
    Tcl_Obj *myNamePtr = NULL;
    int result;

    if (myName) {
	myNamePtr = Tcl_NewStringObj(myName, -1);
	Tcl_IncrRefCount(myNamePtr);


    }
    result = TclPtrObjMakeUpvar(interp, otherPtr, myNamePtr, myFlags, index);
    if (myNamePtr) {
	Tcl_DecrRefCount(myNamePtr);
    }
    return result;
}

/* Callers must Incr myNamePtr if they plan to Decr it. */
 
int
TclPtrObjMakeUpvar(
    Tcl_Interp *interp,		/* Interpreter containing variables. Used for
				 * error messages, too. */
    Var *otherPtr,		/* Pointer to the variable being linked-to. */
    Tcl_Obj *myNamePtr,		/* Name of variable which will refer to
				 * otherP1/otherP2. Must be a scalar. */
................................................................................
    } else if (nsPtr == (Namespace *) TclGetCurrentNamespace(interp)) {
	flags = TCL_NAMESPACE_ONLY;
    }

    for (varPtr = VarHashFirstVar(tablePtr, &search);  varPtr != NULL;
	    varPtr = VarHashFirstVar(tablePtr, &search)) {
	Tcl_Obj *objPtr = Tcl_NewObj();


	VarHashRefCount(varPtr)++;	/* Make sure we get to remove from
					 * hash. */
	Tcl_GetVariableFullName(interp, (Tcl_Var) varPtr, objPtr);
	UnsetVarStruct(varPtr, NULL, iPtr, /* part1 */ objPtr, NULL, flags,
		-1);
	Tcl_DecrRefCount(objPtr);	/* Free no longer needed obj */

................................................................................
    Tcl_Interp *interp,		/* Interpreter in which to record message. */
    const char *part1,
    const char *part2,		/* Variable's two-part name. */
    const char *operation,	/* String describing operation that failed,
				 * e.g. "read", "set", or "unset". */
    const char *reason)		/* String describing why operation failed. */
{
    Tcl_Obj *part2Ptr = NULL, *part1Ptr = Tcl_NewStringObj(part1, -1);



    if (part2) {
	part2Ptr = Tcl_NewStringObj(part2, -1);



    }

    TclObjVarErrMsg(interp, part1Ptr, part2Ptr, operation, reason, -1);

    Tcl_DecrRefCount(part1Ptr);
    if (part2Ptr) {
	Tcl_DecrRefCount(part2Ptr);
................................................................................
				 * TCL_LEAVE_ERR_MSG. If both TCL_GLOBAL_ONLY
				 * and TCL_NAMESPACE_ONLY are given,
				 * TCL_GLOBAL_ONLY is ignored. */
{
    Tcl_Obj *namePtr = Tcl_NewStringObj(name, -1);
    Tcl_Var var;


    var = ObjFindNamespaceVar(interp, namePtr, contextNsPtr, flags);
    Tcl_DecrRefCount(namePtr);
    return var;
}

static Tcl_Var
ObjFindNamespaceVar(
................................................................................
     * to check both possible search paths: from the specified namespace
     * context and from the global namespace.
     */

    varPtr = NULL;
    if (simpleName != name) {
	simpleNamePtr = Tcl_NewStringObj(simpleName, -1);

    } else {
	simpleNamePtr = namePtr;
    }

    for (search = 0;  (search < 2) && (varPtr == NULL);  search++) {
	if ((nsPtr[search] != NULL) && (simpleName != NULL)) {
	    varPtr = VarHashFindVar(&nsPtr[search]->varTable, simpleNamePtr);