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Overview
Comment:See ticket [6efa4f571af052]. Reworked the Json/C code to use a bison-pased parser provided by Mikhail. No separate data structures to convert, just direct generation of Tcl structures. Changes compared to the original submission: - Use List, not Dict operations for objects, i.e. be Tcl 8.4 compatible. - Do not generate Int/Double objects, only strings. Conversion to actual int is lazy, when actually needed. Also ensures that compile-time Tcl version does not restrict range of integers, only runtime Tcl version. - Allow all values as toplevel json, not just array and object. - Currently no shared objects for the fixed values (null, true, false). Note that the RE-based json validation is still faster on even moderatly sized strings, even when just using a stripped C lexer not generating token values. Bumped jsonc to version 1.1 and tcllibc to version 0.3.12.
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 11390a7baa2e7e878398c0ff1a360c515229be07
User & Date: andreask 2014-01-06 23:44:12
References
2014-04-11
20:43 Closed ticket [d3b4501a6c]: Two security flaws with json-c that may impact tcllib plus 7 other changes artifact: ddea861784 user: aku
2014-01-08
00:18 Closed ticket [6efa4f571a]: C-implementation for json2dict plus 6 other changes artifact: 30e1f9d4a4 user: aku
Context
2014-01-07
21:41
See ticket [6efa4f571af052]. Worked around issues with the critcl v2 application the Tcllib C code is geared towards. Bumped json version to 1.3.1, jsonc to 1.1.1, and tcllibc to 0.3.13. check-in: 2d0b61da55 user: andreask tags: trunk
2014-01-06
23:44
See ticket [6efa4f571af052]. Reworked the Json/C code to use a bison-pased parser provided by Mikhail. No separate data structures to convert, just direct generation of Tcl structures. Changes compared to the original submission: - Use List, not Dict operations for objects, i.e. be Tcl 8.4 compatible. - Do not generate Int/Double objects, only strings. Conversion to actual int is lazy, when actually needed. Also ensures that compile-time Tcl version does not restrict range of integers, only runtime Tcl version. - Allow all values as toplevel json, not just array and object. - Currently no shared objects for the fixed values (null, true, false). Note that the RE-based json validation is still faster on even moderatly sized strings, even when just using a stripped C lexer not generating token values. Bumped jsonc to version 1.1 and tcllibc to version 0.3.12. check-in: 11390a7baa user: andreask tags: trunk
18:23
Re-join split trunk check-in: dfdc7799cc user: andreask tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to modules/json/ChangeLog.



































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2013-12-11  Andreas Kupries  <[email protected]>

	* c: [Ticket 6efa4f571a]: Integrated a critcl binding of
	* json.bench: the json-c parser. Moved to a standard
	* json.man: switchable setup. json2dict and manyy-json2dict
	* json.tcl: are now switchable to C. Everything else kept
	* json.test: to Tcl. Note especially that Tcl 'validate'
	* json.testsuite: (regexp-based) was still faster than json-c.
	* json_tcl.tcl: Which has no mode for pure syntax checking,
	* jsonc.tcl: thus overhead with construction of irelevant data
	* pkgIndex.tcl: structures. Extended testsuite. New benchmark
	* testdata: suite. Version bumped to 1.3.

2013-06-19  Andreas Kupries  <[email protected]>

	* json.man: New command 'many-json2dict' to parse strings
	* json.pcx: containing more than one JSON entity. The existing
	* json.tcl: json2dict command will return only the first. Updated
	* json.test: documentation. Extended testsuite. Package version
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2014-01-06  Andreas Kupries  <[email protected]>

	See ticket [6efa4f571af052].
	c: Removed json-parser files.
	c/json.y: New parser.
	c/json.tab.c: Generated parser code.
	c/json_y.h: Header to binding.
	jsonc.tcl:
	json_tcl.tcl:

	Reworked the Json/C code to use a bison-pased parser provided by
	Mikhail. No separate data structures to convert, just direct
	generation of Tcl structures. Changes compared to the original
	submission:

	- Use List, not Dict operations for objects, i.e. be Tcl 8.4
	  compatible.

	- Do not generate Int/Double objects, only strings.  Conversion to
	  actual int is lazy, when actually needed.  Also ensures that
	  compile-time Tcl version does not restrict range of integers,
	  only runtime Tcl version.

	- Allow all values as toplevel json, not just array and object.

	- Currently no shared objects for the fixed values (null, true,
	  false).

	Note that the RE-based json validation is still faster on even
	moderatly sized strings, even when just using a stripped C lexer
	not generating token values.

	Bumped jsonc to version 1.1 and tcllibc to version 0.3.12.

2013-12-11  Andreas Kupries  <[email protected]>

	* c: [Ticket 6efa4f571a]: Integrated a critcl binding of
	* json.bench: the json-c parser. Moved to a standard
	* json.man: switchable setup. json2dict and manyy-json2dict
	* json.tcl: are now switchable to C. Everything else kept
	* json.test: to Tcl. Note especially that Tcl 'validate'
	* json.testsuite: (regexp-based) was still faster than json-c.
	* json_tcl.tcl: Which has no mode for pure syntax checking,
	* jsonc.tcl: thus overhead with construction of irelevant data
	* pkgIndex.tcl: structures. Extended testsuite. New benchmark
	* test-data: suite. Version bumped to 1.3.

2013-06-19  Andreas Kupries  <[email protected]>

	* json.man: New command 'many-json2dict' to parse strings
	* json.pcx: containing more than one JSON entity. The existing
	* json.tcl: json2dict command will return only the first. Updated
	* json.test: documentation. Extended testsuite. Package version

Deleted modules/json/c/AUTHORS.

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Michael Clark <[email protected]>
Jehiah Czebotar <[email protected]>
Eric Haszlakiewicz <[email protected]>
C. Watford ([email protected])

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Deleted modules/json/c/COPYING.

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Copyright (c) 2009-2012 Eric Haszlakiewicz

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

----------------------------------------------------------------

Copyright (c) 2004, 2005 Metaparadigm Pte Ltd

Permission is hereby granted, free of charge, to any person obtaining a
copy of this software and associated documentation files (the "Software"),
to deal in the Software without restriction, including without limitation
the rights to use, copy, modify, merge, publish, distribute, sublicense,
and/or sell copies of the Software, and to permit persons to whom the
Software is furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included
in all copies or substantial portions of the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.
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Deleted modules/json/c/ChangeLog.

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0.11

  * IMPORTANT: the name of the library has changed to libjson-c.so and
     the header files are now in include/json-c.
     The pkgconfig name has also changed from json to json-c.
     You should change your build to use appropriate -I and -l options.
     A compatibility shim is in place so builds using the old name will
     continue to work, but that will be removed in the next release.
  * Maximum recursion depth is now a runtime option.
     json_tokener_new() is provided for compatibility.
     json_tokener_new_ex(depth)
  * Include json_object_iterator.h in the installed headers.
  * Add support for building on Android.
  * Rewrite json_object_object_add to replace just the value if the key already exists so keys remain valid.
  * Make it safe to delete keys while iterating with the json_object_object_foreach macro.
  * Add a json_set_serializer() function to allow the string output of a json_object to be customized.
  * Make float parsing locale independent.
  * Add a json_tokener_set_flags() function and a JSON_TOKENER_STRICT flag.
  * Enable -Werror when building.
  * speed improvements to parsing 64-bit integers on systems with working sscanf
  * Add a json_object_object_length function.
  * Fix a bug (buffer overrun) when expanding arrays to more than 64 entries.

0.10

  * Add a json_object_to_json_string_ext() function to allow output to be
     formatted in a more human readable form.
  * Add json_object_object_get_ex(), a NULL-safe get object method, to be able
     to distinguish between a key not present and the value being NULL.
  * Add an alternative iterator implementation, see json_object_iterator.h
  * Make json_object_iter public to enable external use of the
     json_object_object_foreachC macro.
  * Add a printbuf_memset() function to provide an effecient way to set and
     append things like whitespace indentation.
  * Adjust json_object_is_type and json_object_get_type so they return
      json_type_null for NULL objects and handle NULL passed to
      json_objct_object_get().
  * Rename boolean type to json_bool.
  * Fix various compile issues for Visual Studio and MinGW.
  * Allow json_tokener_parse_ex() to be re-used to parse multiple object.
     Also, fix some parsing issues with capitalized hexadecimal numbers and
     number in E notation.
  * Add json_tokener_get_error() and json_tokener_error_desc() to better 
     encapsulate the process of retrieving errors while parsing.
  * Various improvements to the documentation of many functions.
  * Add new json_object_array_sort() function.
  * Fix a bug in json_object_get_int(), which would incorrectly return 0
    when called on a string type object.
    Eric Haszlakiewicz
  * Add a json_type_to_name() function.
    Eric Haszlakiewicz
  * Add a json_tokener_parse_verbose() function.
    Jehiah Czebotar
  * Improve support for null bytes within JSON strings.
    Jehiah Czebotar
  * Fix file descriptor leak if memory allocation fails in json_util
    Zachary Blair, zack_blair at hotmail dot com
  * Add int64 support. Two new functions json_object_net_int64 and
    json_object_get_int64. Binary compatibility preserved.
    Eric Haszlakiewicz, EHASZLA at transunion com
    Rui Miguel Silva Seabra, rms at 1407 dot org
  * Fix subtle bug in linkhash where lookup could hang after all slots
    were filled then successively freed.
    Spotted by Jean-Marc Naud, j dash m at newtraxtech dot com
  * Make json_object_from_file take const char *filename
    Spotted by Vikram Raj V, vsagar at attinteractive dot com
  * Add handling of surrogate pairs (json_tokener.c, test4.c, Makefile.am)
    Brent Miller, bdmiller at yahoo dash inc dot com
  * Correction to comment describing printbuf_memappend in printbuf.h
    Brent Miller, bdmiller at yahoo dash inc dot com

0.9
  * Add README.html README-WIN32.html config.h.win32 to Makefile.am
    Michael Clark, <[email protected]>
  * Add const qualifier to the json_tokener_parse functions
    Eric Haszlakiewicz, EHASZLA at transunion dot com
  * Rename min and max so we can never clash with C or C++ std library
    Ian Atha, thatha at yahoo dash inc dot com
  * Fix any noticeable spelling or grammar errors.
  * Make sure every va_start has a va_end.
  * Check all pointers for validity.
    Erik Hovland, erik at hovland dot org
  * Fix json_object_get_boolean to return false for empty string
    Spotted by Vitaly Kruglikov, Vitaly dot Kruglikov at palm dot com
  * optimizations to json_tokener_parse_ex(), printbuf_memappend()
    Brent Miller, bdmiller at yahoo dash inc dot com
  * Disable REFCOUNT_DEBUG by default in json_object.c
  * Don't use this as a variable, so we can compile with a C++ compiler
  * Add casts from void* to type of assignment when using malloc 
  * Add #ifdef __cplusplus guards to all of the headers
  * Add typedefs for json_object, json_tokener, array_list, printbuf, lh_table
    Michael Clark, <[email protected]>
  * Null pointer dereference fix. Fix json_object_get_boolean strlen test
    to not return TRUE for zero length string. Remove redundant includes.
    Erik Hovland, erik at hovland dot org
  * Fixed warning reported by adding -Wstrict-prototypes
    -Wold-style-definition to the compilatin flags.
    Dotan Barak, dotanba at gmail dot com
  * Add const correctness to public interfaces
    Gerard Krol, g dot c dot krol at student dot tudelft dot nl

0.8
  * Add va_end for every va_start
    Dotan Barak, dotanba at gmail dot com
  * Add macros to enable compiling out debug code
    Geoffrey Young, geoff at modperlcookbook dot org
  * Fix bug with use of capital E in numbers with exponents
    Mateusz Loskot, mateusz at loskot dot net
  * Add stddef.h include
  * Patch allows for json-c compile with -Werror and not fail due to
    -Wmissing-prototypes -Wstrict-prototypes -Wmissing-declarations
    Geoffrey Young, geoff at modperlcookbook dot org

0.7
  * Add escaping of backslash to json output
  * Add escaping of foward slash on tokenizing and output
  * Changes to internal tokenizer from using recursion to
    using a depth state structure to allow incremental parsing

0.6
  * Fix bug in escaping of control characters
    Johan Björklund, johbjo09 at kth dot se
  * Remove include "config.h" from headers (should only
    be included from .c files)
    Michael Clark <[email protected]>

0.5
  * Make headers C++ compatible by change *this to *obj
  * Add ifdef C++ extern "C" to headers
  * Use simpler definition of min and max in bits.h
    Larry Lansing, llansing at fuzzynerd dot com

  * Remove automake 1.6 requirement
  * Move autogen commands into autogen.sh. Update README
  * Remove error pointer special case for Windows
  * Change license from LGPL to MIT
    Michael Clark <[email protected]>

0.4
  * Fix additional error case in object parsing
  * Add back sign reversal in nested object parse as error pointer
    value is negative, while error value is positive.
    Michael Clark <[email protected]>

0.3
  * fix pointer arithmetic bug for error pointer check in is_error() macro
  * fix type passed to printbuf_memappend in json_tokener
  * update autotools bootstrap instructions in README
    Michael Clark <[email protected]>

0.2
  * printbuf.c - C. Watford ([email protected])
    Added a Win32/Win64 compliant implementation of vasprintf
  * debug.c - C. Watford ([email protected])
    Removed usage of vsyslog on Win32/Win64 systems, needs to be handled
    by a configure script
  * json_object.c - C. Watford ([email protected])
    Added scope operator to wrap usage of json_object_object_foreach, this
    needs to be rethought to be more ANSI C friendly
  * json_object.h - C. Watford ([email protected])
    Added Microsoft C friendly version of json_object_object_foreach
  * json_tokener.c - C. Watford ([email protected])
    Added a Win32/Win64 compliant implementation of strndup
  * json_util.c - C. Watford ([email protected])
    Added cast and mask to suffice size_t v. unsigned int conversion
    correctness 
  * json_tokener.c - sign reversal issue on error info for nested object parse
    spotted by Johan Björklund (johbjo09 at kth.se)
  * json_object.c - escape " in json_escape_str
  * Change to automake and libtool to build shared and static library
    Michael Clark <[email protected]>
	
0.1
  * initial release
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Deleted modules/json/c/NEWS.

Deleted modules/json/c/README.

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Integration Notes...

This directory contains part of the json-c project maintained at

    https://github.com/json-c/json-c/wiki

Reduced to the pure sources and relevant incidental files for proper
attribution and licensing it represents the 0.11 release whose tarball
was retrieved from

    https://s3.amazonaws.com/json-c_releases/releases/index.html

The various build systems are not part of the integration as their
role was here taken over by Critcl.
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Deleted modules/json/c/arraylist.c.

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/*
 * $Id: arraylist.c,v 1.4 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#include "config.h"

#ifdef STDC_HEADERS
# include <stdlib.h>
# include <string.h>
#endif /* STDC_HEADERS */

#if defined(HAVE_STRINGS_H) && !defined(_STRING_H) && !defined(__USE_BSD)
# include <strings.h>
#endif /* HAVE_STRINGS_H */

#include "bits.h"
#include "arraylist.h"

struct array_list*
array_list_new(array_list_free_fn *free_fn)
{
  struct array_list *arr;

  arr = (struct array_list*)calloc(1, sizeof(struct array_list));
  if(!arr) return NULL;
  arr->size = ARRAY_LIST_DEFAULT_SIZE;
  arr->length = 0;
  arr->free_fn = free_fn;
  if(!(arr->array = (void**)calloc(sizeof(void*), arr->size))) {
    free(arr);
    return NULL;
  }
  return arr;
}

extern void
array_list_free(struct array_list *arr)
{
  int i;
  for(i = 0; i < arr->length; i++)
    if(arr->array[i]) arr->free_fn(arr->array[i]);
  free(arr->array);
  free(arr);
}

void*
array_list_get_idx(struct array_list *arr, int i)
{
  if(i >= arr->length) return NULL;
  return arr->array[i];
}

static int array_list_expand_internal(struct array_list *arr, int max)
{
  void *t;
  int new_size;

  if(max < arr->size) return 0;
  new_size = json_max(arr->size << 1, max);
  if(!(t = realloc(arr->array, new_size*sizeof(void*)))) return -1;
  arr->array = (void**)t;
  (void)memset(arr->array + arr->size, 0, (new_size-arr->size)*sizeof(void*));
  arr->size = new_size;
  return 0;
}

int
array_list_put_idx(struct array_list *arr, int idx, void *data)
{
  if(array_list_expand_internal(arr, idx+1)) return -1;
  if(arr->array[idx]) arr->free_fn(arr->array[idx]);
  arr->array[idx] = data;
  if(arr->length <= idx) arr->length = idx + 1;
  return 0;
}

int
array_list_add(struct array_list *arr, void *data)
{
  return array_list_put_idx(arr, arr->length, data);
}

void
array_list_sort(struct array_list *arr, int(*sort_fn)(const void *, const void *))
{
  qsort(arr->array, arr->length, sizeof(arr->array[0]),
	(int (*)(const void *, const void *))sort_fn);
}

int
array_list_length(struct array_list *arr)
{
  return arr->length;
}
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Deleted modules/json/c/arraylist.h.

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/*
 * $Id: arraylist.h,v 1.4 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _arraylist_h_
#define _arraylist_h_

#ifdef __cplusplus
extern "C" {
#endif

#define ARRAY_LIST_DEFAULT_SIZE 32

typedef void (array_list_free_fn) (void *data);

struct array_list
{
  void **array;
  int length;
  int size;
  array_list_free_fn *free_fn;
};

extern struct array_list*
array_list_new(array_list_free_fn *free_fn);

extern void
array_list_free(struct array_list *al);

extern void*
array_list_get_idx(struct array_list *al, int i);

extern int
array_list_put_idx(struct array_list *al, int i, void *data);

extern int
array_list_add(struct array_list *al, void *data);

extern int
array_list_length(struct array_list *al);

extern void
array_list_sort(struct array_list *arr, int(*compar)(const void *, const void *));

#ifdef __cplusplus
}
#endif

#endif
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Deleted modules/json/c/bits.h.

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/*
 * $Id: bits.h,v 1.10 2006/01/30 23:07:57 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _bits_h_
#define _bits_h_

#ifndef json_min
#define json_min(a,b) ((a) < (b) ? (a) : (b))
#endif

#ifndef json_max
#define json_max(a,b) ((a) > (b) ? (a) : (b))
#endif

#define hexdigit(x) (((x) <= '9') ? (x) - '0' : ((x) & 7) + 9)
#define error_ptr(error) ((void*)error)
#define error_description(error)  (json_tokener_errors[error])
#define is_error(ptr) (ptr == NULL)

#endif
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Deleted modules/json/c/config.h.

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/* config.h.  Generated from config.h.in by configure.  */
/* config.h.in.  Generated from configure.in by autoheader.  */

/* Define if .gnu.warning accepts long strings. */
/* #undef HAS_GNU_WARNING_LONG */

/* Define to 1 if you have the <dlfcn.h> header file. */
#define HAVE_DLFCN_H 1

/* Define to 1 if you don't have `vprintf' but do have `_doprnt.' */
/* #undef HAVE_DOPRNT */

/* Define to 1 if you have the <fcntl.h> header file. */
#define HAVE_FCNTL_H 1

/* Define to 1 if you have the <inttypes.h> header file. */
#define HAVE_INTTYPES_H 1

/* Define to 1 if you have the <limits.h> header file. */
#define HAVE_LIMITS_H 1

/* Define to 1 if you have the <locale.h> header file. */
#define HAVE_LOCALE_H 1

/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
   to 0 otherwise. */
#define HAVE_MALLOC 1

/* Define to 1 if you have the <memory.h> header file. */
#define HAVE_MEMORY_H 1

/* Define to 1 if you have the `open' function. */
#define HAVE_OPEN 1

/* Define to 1 if your system has a GNU libc compatible `realloc' function,
   and to 0 otherwise. */
#define HAVE_REALLOC 1

/* Define to 1 if you have the `setlocale' function. */
#define HAVE_SETLOCALE 1

/* Define to 1 if you have the `snprintf' function. */
#define HAVE_SNPRINTF 1

/* Define to 1 if you have the <stdarg.h> header file. */
#define HAVE_STDARG_H 1

/* Define to 1 if you have the <stdint.h> header file. */
#define HAVE_STDINT_H 1

/* Define to 1 if you have the <stdlib.h> header file. */
#define HAVE_STDLIB_H 1

/* Define to 1 if you have the `strcasecmp' function. */
#define HAVE_STRCASECMP 1

/* Define to 1 if you have the `strdup' function. */
#define HAVE_STRDUP 1

/* Define to 1 if you have the `strerror' function. */
#define HAVE_STRERROR 1

/* Define to 1 if you have the <strings.h> header file. */
#define HAVE_STRINGS_H 1

/* Define to 1 if you have the <string.h> header file. */
#define HAVE_STRING_H 1

/* Define to 1 if you have the `strncasecmp' function. */
#define HAVE_STRNCASECMP 1

/* Define to 1 if you have the `strndup' function. */
#define HAVE_STRNDUP 1

/* Define to 1 if you have the <syslog.h> header file. */
#define HAVE_SYSLOG_H 1

/* Define to 1 if you have the <sys/cdefs.h> header file. */
#define HAVE_SYS_CDEFS_H 1

/* Define to 1 if you have the <sys/param.h> header file. */
#define HAVE_SYS_PARAM_H 1

/* Define to 1 if you have the <sys/stat.h> header file. */
#define HAVE_SYS_STAT_H 1

/* Define to 1 if you have the <sys/types.h> header file. */
#define HAVE_SYS_TYPES_H 1

/* Define to 1 if you have the <unistd.h> header file. */
#define HAVE_UNISTD_H 1

/* Define to 1 if you have the `vasprintf' function. */
#define HAVE_VASPRINTF 1

/* Define to 1 if you have the `vprintf' function. */
#define HAVE_VPRINTF 1

/* Define to 1 if you have the `vsnprintf' function. */
#define HAVE_VSNPRINTF 1

/* Define to 1 if you have the `vsyslog' function. */
#define HAVE_VSYSLOG 1

/* Public define for json_inttypes.h */
#define JSON_C_HAVE_INTTYPES_H 1

/* Define to the sub-directory in which libtool stores uninstalled libraries.
   */
#define LT_OBJDIR ".libs/"

/* Name of package */
#define PACKAGE "json-c"

/* Define to the address where bug reports for this package should be sent. */
#define PACKAGE_BUGREPORT "[email protected]"

/* Define to the full name of this package. */
#define PACKAGE_NAME "json-c"

/* Define to the full name and version of this package. */
#define PACKAGE_STRING "json-c 0.11"

/* Define to the one symbol short name of this package. */
#define PACKAGE_TARNAME "json-c"

/* Define to the home page for this package. */
#define PACKAGE_URL ""

/* Define to the version of this package. */
#define PACKAGE_VERSION "0.11"

/* Define to 1 if you have the ANSI C header files. */
#define STDC_HEADERS 1

/* Version number of package */
#define VERSION "0.11"

/* Define to empty if `const' does not conform to ANSI C. */
/* #undef const */

/* Define to rpl_malloc if the replacement function should be used. */
/* #undef malloc */

/* Define to rpl_realloc if the replacement function should be used. */
/* #undef realloc */

/* Define to `unsigned int' if <sys/types.h> does not define. */
/* #undef size_t */
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Deleted modules/json/c/debug.c.

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/*
 * $Id: debug.c,v 1.5 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>

#if HAVE_SYSLOG_H
# include <syslog.h>
#endif /* HAVE_SYSLOG_H */

#if HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */

#if HAVE_SYS_PARAM_H
#include <sys/param.h>
#endif /* HAVE_SYS_PARAM_H */

#include "debug.h"

static int _syslog = 0;
static int _debug = 0;

void mc_set_debug(int debug) { _debug = debug; }
int mc_get_debug(void) { return _debug; }

extern void mc_set_syslog(int syslog)
{
  _syslog = syslog;
}

void mc_abort(const char *msg, ...)
{
  va_list ap;
  va_start(ap, msg);
#if HAVE_VSYSLOG
  if(_syslog) {
	  vsyslog(LOG_ERR, msg, ap);
  } else
#endif
	  vprintf(msg, ap);
  va_end(ap);
  exit(1);
}


void mc_debug(const char *msg, ...)
{
  va_list ap;
  if(_debug) {
    va_start(ap, msg);
#if HAVE_VSYSLOG
    if(_syslog) {
		vsyslog(LOG_DEBUG, msg, ap);
	} else
#endif
		vprintf(msg, ap);
    va_end(ap);
  }
}

void mc_error(const char *msg, ...)
{
  va_list ap;
  va_start(ap, msg);
#if HAVE_VSYSLOG
    if(_syslog) {
		vsyslog(LOG_ERR, msg, ap);
	} else
#endif
		vfprintf(stderr, msg, ap);
  va_end(ap);
}

void mc_info(const char *msg, ...)
{
  va_list ap;
  va_start(ap, msg);
#if HAVE_VSYSLOG
    if(_syslog) {
		vsyslog(LOG_INFO, msg, ap);
	} else 
#endif
		vfprintf(stderr, msg, ap);
  va_end(ap);
}
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Deleted modules/json/c/debug.h.

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/*
 * $Id: debug.h,v 1.5 2006/01/30 23:07:57 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 * Copyright (c) 2009 Hewlett-Packard Development Company, L.P.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _DEBUG_H_
#define _DEBUG_H_

#include <stdlib.h>

#ifdef __cplusplus
extern "C" {
#endif

extern void mc_set_debug(int debug);
extern int mc_get_debug(void);

extern void mc_set_syslog(int syslog);
extern void mc_abort(const char *msg, ...);
extern void mc_debug(const char *msg, ...);
extern void mc_error(const char *msg, ...);
extern void mc_info(const char *msg, ...);

#ifndef __STRING
#define __STRING(x) #x
#endif

#ifndef PARSER_BROKEN_FIXED

#define JASSERT(cond) do {} while(0)

#else

#define JASSERT(cond) do { \
		if (!(cond)) { \
			mc_error("cjson assert failure %s:%d : cond \"" __STRING(cond) "failed\n", __FILE__, __LINE__); \
			*(int *)0 = 1;\
			abort(); \
		}\
	} while(0)

#endif

#define MC_ABORT(x, ...) mc_abort(x, ##__VA_ARGS__)
#define MC_ERROR(x, ...) mc_error(x, ##__VA_ARGS__)

#ifdef MC_MAINTAINER_MODE
#define MC_SET_DEBUG(x) mc_set_debug(x)
#define MC_GET_DEBUG() mc_get_debug()
#define MC_SET_SYSLOG(x) mc_set_syslog(x)
#define MC_DEBUG(x, ...) mc_debug(x, ##__VA_ARGS__)
#define MC_INFO(x, ...) mc_info(x, ##__VA_ARGS__)
#else
#define MC_SET_DEBUG(x) if (0) mc_set_debug(x)
#define MC_GET_DEBUG() (0)
#define MC_SET_SYSLOG(x) if (0) mc_set_syslog(x)
#define MC_DEBUG(x, ...) if (0) mc_debug(x, ##__VA_ARGS__)
#define MC_INFO(x, ...) if (0) mc_info(x, ##__VA_ARGS__)
#endif

#ifdef __cplusplus
}
#endif

#endif
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Deleted modules/json/c/json.h.

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/*
 * $Id: json.h,v 1.6 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 * Copyright (c) 2009 Hewlett-Packard Development Company, L.P.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _json_h_
#define _json_h_

#ifdef __cplusplus
extern "C" {
#endif

#include "bits.h"
#include "debug.h"
#include "linkhash.h"
#include "arraylist.h"
#include "json_util.h"
#include "json_object.h"
#include "json_tokener.h"
#include "json_object_iterator.h"
#include "json_c_version.h"

#ifdef __cplusplus
}
#endif

#endif
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Added modules/json/c/json.tab.c.




























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/* A Bison parser, made by GNU Bison 2.0.  */

/* Skeleton parser for Yacc-like parsing with Bison,
   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004 Free Software Foundation, Inc.

   This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; either version 2, or (at your option)
   any later version.

   This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330,
   Boston, MA 02111-1307, USA.  */

/* As a special exception, when this file is copied by Bison into a
   Bison output file, you may use that output file without restriction.
   This special exception was added by the Free Software Foundation
   in version 1.24 of Bison.  */

/* Written by Richard Stallman by simplifying the original so called
   ``semantic'' parser.  */

/* All symbols defined below should begin with yy or YY, to avoid
   infringing on user name space.  This should be done even for local
   variables, as they might otherwise be expanded by user macros.
   There are some unavoidable exceptions within include files to
   define necessary library symbols; they are noted "INFRINGES ON
   USER NAME SPACE" below.  */

/* Identify Bison output.  */
#define YYBISON 1

/* Skeleton name.  */
#define YYSKELETON_NAME "yacc.c"

/* Pure parsers.  */
#define YYPURE 0

/* Using locations.  */
#define YYLSP_NEEDED 0



/* Tokens.  */
#ifndef YYTOKENTYPE
# define YYTOKENTYPE
   /* Put the tokens into the symbol table, so that GDB and other debuggers
      know about them.  */
   enum yytokentype {
     STRING = 258,
     CONSTANT = 259
   };
#endif
#define STRING 258
#define CONSTANT 259




/* Copy the first part of user declarations.  */
#line 6 "json.y"

#include <tcl.h>
#include <ctype.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>

#include <json_y.h>

#define TOKEN(tok)   TRACE (("TOKEN  %s\n", tok))
#define TOKEN1(tok)  TRACE (("TOKEN  %s (%s)\n", tok, Tcl_GetString(context->obj)))
#define REDUCE(rule) TRACE (("REDUCE %s\n", rule))

#define TRUE_O  (Tcl_NewStringObj("true", 4))
#define FALSE_O (Tcl_NewStringObj("false", 5))
#define NULL_O  (Tcl_NewStringObj("null", 4))

static void jsonerror(struct context *, const char *);
static int  jsonlexp(struct context *context);

#define YYPARSE_PARAM_TYPE void *
#define YYPARSE_PARAM	   context
#define YYPARSE_PARAM_DECL

#define yylex()	     jsonlexp(context)
#define yyerror(msg) jsonerror(context, msg)

#ifndef YYBISON
static int yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM);
#endif



/* Enabling traces.  */
#ifndef YYDEBUG
# define YYDEBUG 0
#endif

/* Enabling verbose error messages.  */
#ifdef YYERROR_VERBOSE
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
# define YYERROR_VERBOSE 0
#endif

#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
#line 40 "json.y"
typedef union YYSTYPE {
	Tcl_Obj		*obj;
	struct {
		Tcl_Obj	*key;
		Tcl_Obj	*val;
	} keyval;
} YYSTYPE;
/* Line 190 of yacc.c.  */
#line 126 "json.tab.c"
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
# define YYSTYPE_IS_TRIVIAL 1
#endif



/* Copy the second part of user declarations.  */


/* Line 213 of yacc.c.  */
#line 138 "json.tab.c"

#if ! defined (yyoverflow) || YYERROR_VERBOSE

# ifndef YYFREE
#  define YYFREE free
# endif
# ifndef YYMALLOC
#  define YYMALLOC malloc
# endif

/* The parser invokes alloca or malloc; define the necessary symbols.  */

# ifdef YYSTACK_USE_ALLOCA
#  if YYSTACK_USE_ALLOCA
#   ifdef __GNUC__
#    define YYSTACK_ALLOC __builtin_alloca
#   else
#    define YYSTACK_ALLOC alloca
#   endif
#  endif
# endif

# ifdef YYSTACK_ALLOC
   /* Pacify GCC's `empty if-body' warning. */
#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
# else
#  if defined (__STDC__) || defined (__cplusplus)
#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
#   define YYSIZE_T size_t
#  endif
#  define YYSTACK_ALLOC YYMALLOC
#  define YYSTACK_FREE YYFREE
# endif
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */


#if (! defined (yyoverflow) \
     && (! defined (__cplusplus) \
	 || (defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))

/* A type that is properly aligned for any stack member.  */
union yyalloc
{
  short int yyss;
  YYSTYPE yyvs;
  };

/* The size of the maximum gap between one aligned stack and the next.  */
# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)

/* The size of an array large to enough to hold all stacks, each with
   N elements.  */
# define YYSTACK_BYTES(N) \
     ((N) * (sizeof (short int) + sizeof (YYSTYPE))			\
      + YYSTACK_GAP_MAXIMUM)

/* Copy COUNT objects from FROM to TO.  The source and destination do
   not overlap.  */
# ifndef YYCOPY
#  if defined (__GNUC__) && 1 < __GNUC__
#   define YYCOPY(To, From, Count) \
      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
#  else
#   define YYCOPY(To, From, Count)		\
      do					\
	{					\
	  register YYSIZE_T yyi;		\
	  for (yyi = 0; yyi < (Count); yyi++)	\
	    (To)[yyi] = (From)[yyi];		\
	}					\
      while (0)
#  endif
# endif

/* Relocate STACK from its old location to the new one.  The
   local variables YYSIZE and YYSTACKSIZE give the old and new number of
   elements in the stack, and YYPTR gives the new location of the
   stack.  Advance YYPTR to a properly aligned location for the next
   stack.  */
# define YYSTACK_RELOCATE(Stack)					\
    do									\
      {									\
	YYSIZE_T yynewbytes;						\
	YYCOPY (&yyptr->Stack, Stack, yysize);				\
	Stack = &yyptr->Stack;						\
	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
	yyptr += yynewbytes / sizeof (*yyptr);				\
      }									\
    while (0)

#endif

#if defined (__STDC__) || defined (__cplusplus)
   typedef signed char yysigned_char;
#else
   typedef short int yysigned_char;
#endif

/* YYFINAL -- State number of the termination state. */
#define YYFINAL  18
/* YYLAST -- Last index in YYTABLE.  */
#define YYLAST   23

/* YYNTOKENS -- Number of terminals. */
#define YYNTOKENS  11
/* YYNNTS -- Number of nonterminals. */
#define YYNNTS  10
/* YYNRULES -- Number of rules. */
#define YYNRULES  17
/* YYNRULES -- Number of states. */
#define YYNSTATES  27

/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
#define YYUNDEFTOK  2
#define YYMAXUTOK   259

#define YYTRANSLATE(YYX) 						\
  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)

/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
static const unsigned char yytranslate[] =
{
       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     9,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,    10,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     7,     2,     8,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     5,     2,     6,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
       2,     2,     2,     2,     2,     2,     1,     2,     3,     4
};

#if YYDEBUG
/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
   YYRHS.  */
static const unsigned char yyprhs[] =
{
       0,     0,     3,     5,     7,    11,    14,    18,    21,    23,
      27,    29,    33,    37,    39,    41,    43,    45
};

/* YYRHS -- A `-1'-separated list of the rules' RHS. */
static const yysigned_char yyrhs[] =
{
      12,     0,    -1,    13,    -1,    20,    -1,     5,    17,     6,
      -1,     5,     6,    -1,     7,    16,     8,    -1,     7,     8,
      -1,    20,    -1,    16,     9,    20,    -1,    18,    -1,    17,
       9,    18,    -1,    19,    10,    20,    -1,     3,    -1,     4,
      -1,    19,    -1,    14,    -1,    15,    -1
};

/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
static const unsigned char yyrline[] =
{
       0,    62,    62,    74,    77,    81,    87,    91,    97,   101,
     108,   114,   122,   129,   135,   139,   140,   141
};
#endif

#if YYDEBUG || YYERROR_VERBOSE
/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
   First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
  "$end", "error", "$undefined", "STRING", "CONSTANT", "'{'", "'}'",
  "'['", "']'", "','", "':'", "$accept", "tree", "json", "object", "list",
  "values", "members", "member", "string", "value", 0
};
#endif

# ifdef YYPRINT
/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
   token YYLEX-NUM.  */
static const unsigned short int yytoknum[] =
{
       0,   256,   257,   258,   259,   123,   125,    91,    93,    44,
      58
};
# endif

/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
static const unsigned char yyr1[] =
{
       0,    11,    12,    13,    14,    14,    15,    15,    16,    16,
      17,    17,    18,    19,    20,    20,    20,    20
};

/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
static const unsigned char yyr2[] =
{
       0,     2,     1,     1,     3,     2,     3,     2,     1,     3,
       1,     3,     3,     1,     1,     1,     1,     1
};

/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
   means the default is an error.  */
static const unsigned char yydefact[] =
{
       0,    13,    14,     0,     0,     0,     2,    16,    17,    15,
       3,     5,     0,    10,     0,     7,     0,     8,     1,     4,
       0,     0,     6,     0,    11,    12,     9
};

/* YYDEFGOTO[NTERM-NUM]. */
static const yysigned_char yydefgoto[] =
{
      -1,     5,     6,     7,     8,    16,    12,    13,     9,    10
};

/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
   STATE-NUM.  */
#define YYPACT_NINF -6
static const yysigned_char yypact[] =
{
       5,    -6,    -6,     8,    -1,    15,    -6,    -6,    -6,    -6,
      -6,    -6,     7,    -6,    -5,    -6,    12,    -6,    -6,    -6,
      19,     5,    -6,     5,    -6,    -6,    -6
};

/* YYPGOTO[NTERM-NUM].  */
static const yysigned_char yypgoto[] =
{
      -6,    -6,    -6,    -6,    -6,    -6,    -6,     3,    -2,    -4
};

/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
   positive, shift that token.  If negative, reduce the rule which
   number is the opposite.  If zero, do what YYDEFACT says.
   If YYTABLE_NINF, syntax error.  */
#define YYTABLE_NINF -1
static const unsigned char yytable[] =
{
      17,    14,     1,     2,     3,    21,     4,    15,     1,     2,
       3,     1,     4,    19,    11,    18,    20,    25,    14,    26,
      22,    23,     1,    24
};

static const unsigned char yycheck[] =
{
       4,     3,     3,     4,     5,    10,     7,     8,     3,     4,
       5,     3,     7,     6,     6,     0,     9,    21,    20,    23,
       8,     9,     3,    20
};

/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
   symbol of state STATE-NUM.  */
static const unsigned char yystos[] =
{
       0,     3,     4,     5,     7,    12,    13,    14,    15,    19,
      20,     6,    17,    18,    19,     8,    16,    20,     0,     6,
       9,    10,     8,     9,    18,    20,    20
};

#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
# define YYSIZE_T __SIZE_TYPE__
#endif
#if ! defined (YYSIZE_T) && defined (size_t)
# define YYSIZE_T size_t
#endif
#if ! defined (YYSIZE_T)
# if defined (__STDC__) || defined (__cplusplus)
#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
#  define YYSIZE_T size_t
# endif
#endif
#if ! defined (YYSIZE_T)
# define YYSIZE_T unsigned int
#endif

#define yyerrok		(yyerrstatus = 0)
#define yyclearin	(yychar = YYEMPTY)
#define YYEMPTY		(-2)
#define YYEOF		0

#define YYACCEPT	goto yyacceptlab
#define YYABORT		goto yyabortlab
#define YYERROR		goto yyerrorlab


/* Like YYERROR except do call yyerror.  This remains here temporarily
   to ease the transition to the new meaning of YYERROR, for GCC.
   Once GCC version 2 has supplanted version 1, this can go.  */

#define YYFAIL		goto yyerrlab

#define YYRECOVERING()  (!!yyerrstatus)

#define YYBACKUP(Token, Value)					\
do								\
  if (yychar == YYEMPTY && yylen == 1)				\
    {								\
      yychar = (Token);						\
      yylval = (Value);						\
      yytoken = YYTRANSLATE (yychar);				\
      YYPOPSTACK;						\
      goto yybackup;						\
    }								\
  else								\
    { 								\
      yyerror ("syntax error: cannot back up");\
      YYERROR;							\
    }								\
while (0)


#define YYTERROR	1
#define YYERRCODE	256


/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
   If N is 0, then set CURRENT to the empty location which ends
   the previous symbol: RHS[0] (always defined).  */

#define YYRHSLOC(Rhs, K) ((Rhs)[K])
#ifndef YYLLOC_DEFAULT
# define YYLLOC_DEFAULT(Current, Rhs, N)				\
    do									\
      if (N)								\
	{								\
	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
	}								\
      else								\
	{								\
	  (Current).first_line   = (Current).last_line   =		\
	    YYRHSLOC (Rhs, 0).last_line;				\
	  (Current).first_column = (Current).last_column =		\
	    YYRHSLOC (Rhs, 0).last_column;				\
	}								\
    while (0)
#endif


/* YY_LOCATION_PRINT -- Print the location on the stream.
   This macro was not mandated originally: define only if we know
   we won't break user code: when these are the locations we know.  */

#ifndef YY_LOCATION_PRINT
# if YYLTYPE_IS_TRIVIAL
#  define YY_LOCATION_PRINT(File, Loc)			\
     fprintf (File, "%d.%d-%d.%d",			\
              (Loc).first_line, (Loc).first_column,	\
              (Loc).last_line,  (Loc).last_column)
# else
#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
# endif
#endif


/* YYLEX -- calling `yylex' with the right arguments.  */

#ifdef YYLEX_PARAM
# define YYLEX yylex (YYLEX_PARAM)
#else
# define YYLEX yylex ()
#endif

/* Enable debugging if requested.  */
#if YYDEBUG

# ifndef YYFPRINTF
#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
#  define YYFPRINTF fprintf
# endif

# define YYDPRINTF(Args)			\
do {						\
  if (yydebug)					\
    YYFPRINTF Args;				\
} while (0)

# define YY_SYMBOL_PRINT(Title, Type, Value, Location)		\
do {								\
  if (yydebug)							\
    {								\
      YYFPRINTF (stderr, "%s ", Title);				\
      yysymprint (stderr, 					\
                  Type, Value);	\
      YYFPRINTF (stderr, "\n");					\
    }								\
} while (0)

/*------------------------------------------------------------------.
| yy_stack_print -- Print the state stack from its BOTTOM up to its |
| TOP (included).                                                   |
`------------------------------------------------------------------*/

#if defined (__STDC__) || defined (__cplusplus)
static void
yy_stack_print (short int *bottom, short int *top)
#else
static void
yy_stack_print (bottom, top)
    short int *bottom;
    short int *top;
#endif
{
  YYFPRINTF (stderr, "Stack now");
  for (/* Nothing. */; bottom <= top; ++bottom)
    YYFPRINTF (stderr, " %d", *bottom);
  YYFPRINTF (stderr, "\n");
}

# define YY_STACK_PRINT(Bottom, Top)				\
do {								\
  if (yydebug)							\
    yy_stack_print ((Bottom), (Top));				\
} while (0)


/*------------------------------------------------.
| Report that the YYRULE is going to be reduced.  |
`------------------------------------------------*/

#if defined (__STDC__) || defined (__cplusplus)
static void
yy_reduce_print (int yyrule)
#else
static void
yy_reduce_print (yyrule)
    int yyrule;
#endif
{
  int yyi;
  unsigned int yylno = yyrline[yyrule];
  YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
             yyrule - 1, yylno);
  /* Print the symbols being reduced, and their result.  */
  for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
    YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
  YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
}

# define YY_REDUCE_PRINT(Rule)		\
do {					\
  if (yydebug)				\
    yy_reduce_print (Rule);		\
} while (0)

/* Nonzero means print parse trace.  It is left uninitialized so that
   multiple parsers can coexist.  */
int yydebug;
#else /* !YYDEBUG */
# define YYDPRINTF(Args)
# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
# define YY_STACK_PRINT(Bottom, Top)
# define YY_REDUCE_PRINT(Rule)
#endif /* !YYDEBUG */


/* YYINITDEPTH -- initial size of the parser's stacks.  */
#ifndef	YYINITDEPTH
# define YYINITDEPTH 200
#endif

/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
   if the built-in stack extension method is used).

   Do not make this value too large; the results are undefined if
   SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
   evaluated with infinite-precision integer arithmetic.  */

#ifndef YYMAXDEPTH
# define YYMAXDEPTH 10000
#endif

 

#if YYERROR_VERBOSE

# ifndef yystrlen
#  if defined (__GLIBC__) && defined (_STRING_H)
#   define yystrlen strlen
#  else
/* Return the length of YYSTR.  */
static YYSIZE_T
#   if defined (__STDC__) || defined (__cplusplus)
yystrlen (const char *yystr)
#   else
yystrlen (yystr)
     const char *yystr;
#   endif
{
  register const char *yys = yystr;

  while (*yys++ != '\0')
    continue;

  return yys - yystr - 1;
}
#  endif
# endif

# ifndef yystpcpy
#  if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
#   define yystpcpy stpcpy
#  else
/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
   YYDEST.  */
static char *
#   if defined (__STDC__) || defined (__cplusplus)
yystpcpy (char *yydest, const char *yysrc)
#   else
yystpcpy (yydest, yysrc)
     char *yydest;
     const char *yysrc;
#   endif
{
  register char *yyd = yydest;
  register const char *yys = yysrc;

  while ((*yyd++ = *yys++) != '\0')
    continue;

  return yyd - 1;
}
#  endif
# endif

#endif /* !YYERROR_VERBOSE */

 

#if YYDEBUG
/*--------------------------------.
| Print this symbol on YYOUTPUT.  |
`--------------------------------*/

#if defined (__STDC__) || defined (__cplusplus)
static void
yysymprint (FILE *yyoutput, int yytype, YYSTYPE *yyvaluep)
#else
static void
yysymprint (yyoutput, yytype, yyvaluep)
    FILE *yyoutput;
    int yytype;
    YYSTYPE *yyvaluep;
#endif
{
  /* Pacify ``unused variable'' warnings.  */
  (void) yyvaluep;

  if (yytype < YYNTOKENS)
    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
  else
    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);


# ifdef YYPRINT
  if (yytype < YYNTOKENS)
    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
# endif
  switch (yytype)
    {
      default:
        break;
    }
  YYFPRINTF (yyoutput, ")");
}

#endif /* ! YYDEBUG */
/*-----------------------------------------------.
| Release the memory associated to this symbol.  |
`-----------------------------------------------*/

#if defined (__STDC__) || defined (__cplusplus)
static void
yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
#else
static void
yydestruct (yymsg, yytype, yyvaluep)
    const char *yymsg;
    int yytype;
    YYSTYPE *yyvaluep;
#endif
{
  /* Pacify ``unused variable'' warnings.  */
  (void) yyvaluep;

  if (!yymsg)
    yymsg = "Deleting";
  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);

  switch (yytype)
    {

      default:
        break;
    }
}
 

/* Prevent warnings from -Wmissing-prototypes.  */

#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
int yyparse (void *YYPARSE_PARAM);
# else
int yyparse ();
# endif
#else /* ! YYPARSE_PARAM */
#if defined (__STDC__) || defined (__cplusplus)
int yyparse (void);
#else
int yyparse ();
#endif
#endif /* ! YYPARSE_PARAM */



/* The look-ahead symbol.  */
int yychar;

/* The semantic value of the look-ahead symbol.  */
YYSTYPE yylval;

/* Number of syntax errors so far.  */
int yynerrs;



/*----------.
| yyparse.  |
`----------*/

#ifdef YYPARSE_PARAM
# if defined (__STDC__) || defined (__cplusplus)
int yyparse (void *YYPARSE_PARAM)
# else
int yyparse (YYPARSE_PARAM)
  void *YYPARSE_PARAM;
# endif
#else /* ! YYPARSE_PARAM */
#if defined (__STDC__) || defined (__cplusplus)
int
yyparse (void)
#else
int
yyparse ()

#endif
#endif
{
  
  register int yystate;
  register int yyn;
  int yyresult;
  /* Number of tokens to shift before error messages enabled.  */
  int yyerrstatus;
  /* Look-ahead token as an internal (translated) token number.  */
  int yytoken = 0;

  /* Three stacks and their tools:
     `yyss': related to states,
     `yyvs': related to semantic values,
     `yyls': related to locations.

     Refer to the stacks thru separate pointers, to allow yyoverflow
     to reallocate them elsewhere.  */

  /* The state stack.  */
  short int yyssa[YYINITDEPTH];
  short int *yyss = yyssa;
  register short int *yyssp;

  /* The semantic value stack.  */
  YYSTYPE yyvsa[YYINITDEPTH];
  YYSTYPE *yyvs = yyvsa;
  register YYSTYPE *yyvsp;



#define YYPOPSTACK   (yyvsp--, yyssp--)

  YYSIZE_T yystacksize = YYINITDEPTH;

  /* The variables used to return semantic value and location from the
     action routines.  */
  YYSTYPE yyval;


  /* When reducing, the number of symbols on the RHS of the reduced
     rule.  */
  int yylen;

  YYDPRINTF ((stderr, "Starting parse\n"));

  yystate = 0;
  yyerrstatus = 0;
  yynerrs = 0;
  yychar = YYEMPTY;		/* Cause a token to be read.  */

  /* Initialize stack pointers.
     Waste one element of value and location stack
     so that they stay on the same level as the state stack.
     The wasted elements are never initialized.  */

  yyssp = yyss;
  yyvsp = yyvs;


  yyvsp[0] = yylval;

  goto yysetstate;

/*------------------------------------------------------------.
| yynewstate -- Push a new state, which is found in yystate.  |
`------------------------------------------------------------*/
 yynewstate:
  /* In all cases, when you get here, the value and location stacks
     have just been pushed. so pushing a state here evens the stacks.
     */
  yyssp++;

 yysetstate:
  *yyssp = yystate;

  if (yyss + yystacksize - 1 <= yyssp)
    {
      /* Get the current used size of the three stacks, in elements.  */
      YYSIZE_T yysize = yyssp - yyss + 1;

#ifdef yyoverflow
      {
	/* Give user a chance to reallocate the stack. Use copies of
	   these so that the &'s don't force the real ones into
	   memory.  */
	YYSTYPE *yyvs1 = yyvs;
	short int *yyss1 = yyss;


	/* Each stack pointer address is followed by the size of the
	   data in use in that stack, in bytes.  This used to be a
	   conditional around just the two extra args, but that might
	   be undefined if yyoverflow is a macro.  */
	yyoverflow ("parser stack overflow",
		    &yyss1, yysize * sizeof (*yyssp),
		    &yyvs1, yysize * sizeof (*yyvsp),

		    &yystacksize);

	yyss = yyss1;
	yyvs = yyvs1;
      }
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
      goto yyoverflowlab;
# else
      /* Extend the stack our own way.  */
      if (YYMAXDEPTH <= yystacksize)
	goto yyoverflowlab;
      yystacksize *= 2;
      if (YYMAXDEPTH < yystacksize)
	yystacksize = YYMAXDEPTH;

      {
	short int *yyss1 = yyss;
	union yyalloc *yyptr =
	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
	if (! yyptr)
	  goto yyoverflowlab;
	YYSTACK_RELOCATE (yyss);
	YYSTACK_RELOCATE (yyvs);

#  undef YYSTACK_RELOCATE
	if (yyss1 != yyssa)
	  YYSTACK_FREE (yyss1);
      }
# endif
#endif /* no yyoverflow */

      yyssp = yyss + yysize - 1;
      yyvsp = yyvs + yysize - 1;


      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
		  (unsigned long int) yystacksize));

      if (yyss + yystacksize - 1 <= yyssp)
	YYABORT;
    }

  YYDPRINTF ((stderr, "Entering state %d\n", yystate));

  goto yybackup;

/*-----------.
| yybackup.  |
`-----------*/
yybackup:

/* Do appropriate processing given the current state.  */
/* Read a look-ahead token if we need one and don't already have one.  */
/* yyresume: */

  /* First try to decide what to do without reference to look-ahead token.  */

  yyn = yypact[yystate];
  if (yyn == YYPACT_NINF)
    goto yydefault;

  /* Not known => get a look-ahead token if don't already have one.  */

  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
  if (yychar == YYEMPTY)
    {
      YYDPRINTF ((stderr, "Reading a token: "));
      yychar = YYLEX;
    }

  if (yychar <= YYEOF)
    {
      yychar = yytoken = YYEOF;
      YYDPRINTF ((stderr, "Now at end of input.\n"));
    }
  else
    {
      yytoken = YYTRANSLATE (yychar);
      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
    }

  /* If the proper action on seeing token YYTOKEN is to reduce or to
     detect an error, take that action.  */
  yyn += yytoken;
  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
    goto yydefault;
  yyn = yytable[yyn];
  if (yyn <= 0)
    {
      if (yyn == 0 || yyn == YYTABLE_NINF)
	goto yyerrlab;
      yyn = -yyn;
      goto yyreduce;
    }

  if (yyn == YYFINAL)
    YYACCEPT;

  /* Shift the look-ahead token.  */
  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);

  /* Discard the token being shifted unless it is eof.  */
  if (yychar != YYEOF)
    yychar = YYEMPTY;

  *++yyvsp = yylval;


  /* Count tokens shifted since error; after three, turn off error
     status.  */
  if (yyerrstatus)
    yyerrstatus--;

  yystate = yyn;
  goto yynewstate;


/*-----------------------------------------------------------.
| yydefault -- do the default action for the current state.  |
`-----------------------------------------------------------*/
yydefault:
  yyn = yydefact[yystate];
  if (yyn == 0)
    goto yyerrlab;
  goto yyreduce;


/*-----------------------------.
| yyreduce -- Do a reduction.  |
`-----------------------------*/
yyreduce:
  /* yyn is the number of a rule to reduce with.  */
  yylen = yyr2[yyn];

  /* If YYLEN is nonzero, implement the default value of the action:
     `$$ = $1'.

     Otherwise, the following line sets YYVAL to garbage.
     This behavior is undocumented and Bison
     users should not rely upon it.  Assigning to YYVAL
     unconditionally makes the parser a bit smaller, and it avoids a
     GCC warning that YYVAL may be used uninitialized.  */
  yyval = yyvsp[1-yylen];


  YY_REDUCE_PRINT (yyn);
  switch (yyn)
    {
        case 2:
#line 63 "json.y"
    {
		struct context *c = context;
		REDUCE("TREE");
		if (c->I) {
		  Tcl_SetObjResult(c->I, (yyvsp[0].obj));
		  TRACE (("  RESULT (%s)\n", Tcl_GetString((yyvsp[0].obj))));
		}
		c->result = TCL_OK;
	;}
    break;

  case 4:
#line 78 "json.y"
    {
		(yyval.obj) = (yyvsp[-1].obj);
	;}
    break;

  case 5:
#line 82 "json.y"
    {
		(yyval.obj) = Tcl_NewObj();
	;}
    break;

  case 6:
#line 88 "json.y"
    {
		(yyval.obj) = (yyvsp[-1].obj);
	;}
    break;

  case 7:
#line 92 "json.y"
    {
		(yyval.obj) = Tcl_NewObj();
	;}
    break;

  case 8:
#line 98 "json.y"
    {	
		(yyval.obj) = Tcl_NewListObj(1, &(yyvsp[0].obj));
	;}
    break;

  case 9:
#line 102 "json.y"
    {
		Tcl_ListObjAppendElement(NULL, (yyvsp[-2].obj), (yyvsp[0].obj));
		(yyval.obj) = (yyvsp[-2].obj);
	;}
    break;

  case 10:
#line 109 "json.y"
    {
	        (yyval.obj) = Tcl_NewListObj(0, NULL);
		Tcl_ListObjAppendElement(NULL, (yyval.obj), (yyvsp[0].keyval).key);
		Tcl_ListObjAppendElement(NULL, (yyval.obj), (yyvsp[0].keyval).val);
	;}
    break;

  case 11:
#line 115 "json.y"
    {
		Tcl_ListObjAppendElement(NULL, (yyvsp[-2].obj), (yyvsp[0].keyval).key);
		Tcl_ListObjAppendElement(NULL, (yyvsp[-2].obj), (yyvsp[0].keyval).val);
		(yyval.obj) = (yyvsp[-2].obj);
	;}
    break;

  case 12:
#line 123 "json.y"
    {
		(yyval.keyval).key = (yyvsp[-2].obj);
		(yyval.keyval).val = (yyvsp[0].obj);
	;}
    break;

  case 13:
#line 130 "json.y"
    {
		(yyval.obj) = ((struct context *)context)->obj;
	;}
    break;

  case 14:
#line 136 "json.y"
    {
		(yyval.obj) = ((struct context *)context)->obj;
	;}
    break;


    }

/* Line 1037 of yacc.c.  */
#line 1148 "json.tab.c"
 
  yyvsp -= yylen;
  yyssp -= yylen;


  YY_STACK_PRINT (yyss, yyssp);

  *++yyvsp = yyval;


  /* Now `shift' the result of the reduction.  Determine what state
     that goes to, based on the state we popped back to and the rule
     number reduced by.  */

  yyn = yyr1[yyn];

  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
    yystate = yytable[yystate];
  else
    yystate = yydefgoto[yyn - YYNTOKENS];

  goto yynewstate;


/*------------------------------------.
| yyerrlab -- here on detecting error |
`------------------------------------*/
yyerrlab:
  /* If not already recovering from an error, report this error.  */
  if (!yyerrstatus)
    {
      ++yynerrs;
#if YYERROR_VERBOSE
      yyn = yypact[yystate];

      if (YYPACT_NINF < yyn && yyn < YYLAST)
	{
	  YYSIZE_T yysize = 0;
	  int yytype = YYTRANSLATE (yychar);
	  const char* yyprefix;
	  char *yymsg;
	  int yyx;

	  /* Start YYX at -YYN if negative to avoid negative indexes in
	     YYCHECK.  */
	  int yyxbegin = yyn < 0 ? -yyn : 0;

	  /* Stay within bounds of both yycheck and yytname.  */
	  int yychecklim = YYLAST - yyn;
	  int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
	  int yycount = 0;

	  yyprefix = ", expecting ";
	  for (yyx = yyxbegin; yyx < yyxend; ++yyx)
	    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
	      {
		yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
		yycount += 1;
		if (yycount == 5)
		  {
		    yysize = 0;
		    break;
		  }
	      }
	  yysize += (sizeof ("syntax error, unexpected ")
		     + yystrlen (yytname[yytype]));
	  yymsg = (char *) YYSTACK_ALLOC (yysize);
	  if (yymsg != 0)
	    {
	      char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
	      yyp = yystpcpy (yyp, yytname[yytype]);

	      if (yycount < 5)
		{
		  yyprefix = ", expecting ";
		  for (yyx = yyxbegin; yyx < yyxend; ++yyx)
		    if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
		      {
			yyp = yystpcpy (yyp, yyprefix);
			yyp = yystpcpy (yyp, yytname[yyx]);
			yyprefix = " or ";
		      }
		}
	      yyerror (yymsg);
	      YYSTACK_FREE (yymsg);
	    }
	  else
	    yyerror ("syntax error; also virtual memory exhausted");
	}
      else
#endif /* YYERROR_VERBOSE */
	yyerror ("syntax error");
    }



  if (yyerrstatus == 3)
    {
      /* If just tried and failed to reuse look-ahead token after an
	 error, discard it.  */

      if (yychar <= YYEOF)
        {
          /* If at end of input, pop the error token,
	     then the rest of the stack, then return failure.  */
	  if (yychar == YYEOF)
	     for (;;)
	       {

		 YYPOPSTACK;
		 if (yyssp == yyss)
		   YYABORT;
		 yydestruct ("Error: popping",
                             yystos[*yyssp], yyvsp);
	       }
        }
      else
	{
	  yydestruct ("Error: discarding", yytoken, &yylval);
	  yychar = YYEMPTY;
	}
    }

  /* Else will try to reuse look-ahead token after shifting the error
     token.  */
  goto yyerrlab1;


/*---------------------------------------------------.
| yyerrorlab -- error raised explicitly by YYERROR.  |
`---------------------------------------------------*/
yyerrorlab:

#ifdef __GNUC__
  /* Pacify GCC when the user code never invokes YYERROR and the label
     yyerrorlab therefore never appears in user code.  */
  if (0)
     goto yyerrorlab;
#endif

yyvsp -= yylen;
  yyssp -= yylen;
  yystate = *yyssp;
  goto yyerrlab1;


/*-------------------------------------------------------------.
| yyerrlab1 -- common code for both syntax error and YYERROR.  |
`-------------------------------------------------------------*/
yyerrlab1:
  yyerrstatus = 3;	/* Each real token shifted decrements this.  */

  for (;;)
    {
      yyn = yypact[yystate];
      if (yyn != YYPACT_NINF)
	{
	  yyn += YYTERROR;
	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
	    {
	      yyn = yytable[yyn];
	      if (0 < yyn)
		break;
	    }
	}

      /* Pop the current state because it cannot handle the error token.  */
      if (yyssp == yyss)
	YYABORT;


      yydestruct ("Error: popping", yystos[yystate], yyvsp);
      YYPOPSTACK;
      yystate = *yyssp;
      YY_STACK_PRINT (yyss, yyssp);
    }

  if (yyn == YYFINAL)
    YYACCEPT;

  *++yyvsp = yylval;


  /* Shift the error token. */
  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);

  yystate = yyn;
  goto yynewstate;


/*-------------------------------------.
| yyacceptlab -- YYACCEPT comes here.  |
`-------------------------------------*/
yyacceptlab:
  yyresult = 0;
  goto yyreturn;

/*-----------------------------------.
| yyabortlab -- YYABORT comes here.  |
`-----------------------------------*/
yyabortlab:
  yydestruct ("Error: discarding lookahead",
              yytoken, &yylval);
  yychar = YYEMPTY;
  yyresult = 1;
  goto yyreturn;

#ifndef yyoverflow
/*----------------------------------------------.
| yyoverflowlab -- parser overflow comes here.  |
`----------------------------------------------*/
yyoverflowlab:
  yyerror ("parser stack overflow");
  yyresult = 2;
  /* Fall through.  */
#endif

yyreturn:
#ifndef yyoverflow
  if (yyss != yyssa)
    YYSTACK_FREE (yyss);
#endif
  return yyresult;
}


#line 144 "json.y"

#include <err.h>

void
jsonparse (struct context* context)
{
  yyparse (context);
}

#define DRAIN(n) context->text += n, context->remaining -= n

#define	STORESTRINGSEGMENT()				\
	if (initialized) {				\
		if (context->text != bp) {		\
			Tcl_AppendToObj(context->obj,	\
			    bp, context->text - bp);	\
		}					\
	} else {					\
		context->obj = Tcl_NewStringObj(	\
		    bp, context->text - bp);		\
		initialized = 1;			\
	}

void
jsonskip(struct context *context)
{
  while (context->remaining) {
    switch (*context->text) {
    case '\n':
    case ' ':
    case '\t':
    case '\r':
      DRAIN(1);
      continue;
    }
    break;
  }
}

static int
jsonlexp(struct context *context)
{
  const char *bp = NULL;

  /* Question: Why not plain numbers 1,2 for the states
   *           but these specific hex patterns ?
   */
  enum {
    PLAIN	= 0x0000ff00,
    INSTR	= 0x00ff0000
  } lstate;
  double 	 d;
  char		*end;
  const char	*p;
  int		 initialized = 0;

  /*
   * Do not auto-lex beyond a full json structure.
   */
  if (context->result == TCL_OK) {
    TOKEN ("<<eof>>");
    return 0;
  }

  /*
   * Quickly skip and ignore whitespace.
   */
  while (context->remaining) {
    switch (*context->text) {
    case '\n':
    case ' ':
    case '\t':
    case '\r':
      DRAIN(1);
      continue;
    }
    break;
  }

  /*
   * Handle the token following the whitespace. Small state machine to
   * handle strings and escapes in them, and bare words (various
   * contants, and numbers).
   */
  for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) {
    if (lstate == INSTR) {
      if (*context->text == '"') {
	/*
	 * End of quoted string
	 */

	STORESTRINGSEGMENT();
	DRAIN(1);
	TOKEN1 ("STRING");
	return STRING;
      }

      if (*context->text == '\\') {
	/*
	 * Escaped sequence
	 */
	char	buf[TCL_UTF_MAX];
	int	len, consumed;

	STORESTRINGSEGMENT();

	/*
	 * XXX Tcl_UtfBackslash() may be more
	 * XXX permissive, than JSON standard.
	 * XXX But that may be a good thing:
	 * XXX "be generous in what you accept".
	 */
	len = Tcl_UtfBackslash(context->text,
			       &consumed, buf);
	DRAIN(consumed - 1);
	bp = context->text + 1;
	Tcl_AppendToObj(context->obj, buf, len);
      }
      continue;
    }

    switch (*context->text) {
    case ',':
    case '{':
    case ':':
    case '}':
    case '[':
    case ']':
      DRAIN(1);
      TOKEN (context->text[-1]);
      return context->text[-1];
    case 't':
      if ((context->remaining < 4) ||
	  strncmp("rue", context->text + 1, 3))
	goto bareword;
      DRAIN(4);
      context->obj = TRUE_O;
      TOKEN1 ("CONSTANT");
      return CONSTANT;
    case 'f':
      if ((context->remaining < 5) ||
	  strncmp("alse", context->text + 1, 4))
	goto bareword;
      DRAIN(5);
      context->obj = FALSE_O;
      TOKEN1 ("CONSTANT");
      return CONSTANT;
    case 'n':
      if ((context->remaining < 4) ||
	  strncmp("ull", context->text + 1, 3))
	goto bareword;
      DRAIN(4);
      context->obj = NULL_O;
      TOKEN1 ("CONSTANT");
      return CONSTANT;
    case '"':
      bp = context->text + 1;
      lstate = INSTR;
      continue;
    case '\\':
      yyerror("Escape character outside of string");
      TOKEN ("escape error");
      return -1;
    }

    /*
     * We already considered the null, true, and false
     * above, so it can only be a number now.
     *
     * NOTE: At this point we do not care about double
     * versus integer, nor about the possible integer
     * range. We generate a plain string Tcl_Obj and leave
     * it to the user of the generated structure to
     * convert to a number when actually needed. This
     * defered conversion also ensures that the Tcl and
     * platform we are building against does not matter
     * regarding integer range, only the abilities of the
     * Tcl at runtime.
     */

    d = strtod(context->text, &end);
    if (end == context->text)
      goto bareword; /* Nothing parsed */

    context->obj = Tcl_NewStringObj (context->text,
				     end - context->text);

    context->remaining -= (end - context->text);
    context->text = end;
    TOKEN1 ("CONSTANT");
    return CONSTANT;
  }

  TOKEN ("<<eof>>");
  return 0;
 bareword:
  yyerror("Bare word encountered");
  TOKEN ("bare word error");
  return -1;
}

#if 0
int
jsonlex(struct context *context)
{
  const char *bp = NULL;

  /* Question: Why not plain numbers 1,2 for the states
   *           but these specific hex patterns ?
   */
  enum {
    PLAIN	= 0x0000ff00,
    INSTR	= 0x00ff0000
  } lstate;
  double 	 d;
  char		*end;
  const char	*p;
  int		 initialized = 0;

  while (context->remaining) {
    /* Iterate over the whole string and check all tokens.
     * Nothing else.
     */

    /*
     * Quickly skip and ignore whitespace.
     */
    while (context->remaining) {
      switch (*context->text) {
      case '\n':
      case ' ':
      case '\t':
      case '\r':
	DRAIN(1);
	continue;
      }
      break;
    }

  /*
   * Handle the token following the whitespace. Small state machine to
   * handle strings and escapes in them, and bare words (various
   * contants, and numbers).
   */
  for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) {
    if (lstate == INSTR) {
      if (*context->text == '"') {
	/*
	 * End of quoted string
	 */
	DRAIN(1);
	goto next_token;
      }

      if (*context->text == '\\') {
	/*
	 * Escaped sequence
	 */
	char	buf[TCL_UTF_MAX];
	int	len, consumed;

	/*
	 * XXX Tcl_UtfBackslash() may be more
	 * XXX permissive, than JSON standard.
	 * XXX But that may be a good thing:
	 * XXX "be generous in what you accept".
	 */
	len = Tcl_UtfBackslash(context->text, &consumed, buf);
	DRAIN(consumed - 1);
      }
      continue;
    }

    switch (*context->text) {
    case ',':
    case '{':
    case ':':
    case '}':
    case '[':
    case ']':
      DRAIN(1);
      goto next_token;

    case 't':
      if ((context->remaining < 4) ||
	  strncmp("rue", context->text + 1, 3))
	return -1; /* bare word */
      DRAIN(4);
      goto next_token;
    case 'f':
      if ((context->remaining < 5) ||
	  strncmp("alse", context->text + 1, 4))
	return -1; /* bare word */
      DRAIN(5);
      goto next_token;
    case 'n':
      if ((context->remaining < 4) ||
	  strncmp("ull", context->text + 1, 3))
	return -1; /* bare word */
      DRAIN(4);
      goto next_token;
    case '"':
      bp = context->text + 1;
      lstate = INSTR;
      continue;
    case '\\':
      /* Escape outside string, abort. */
      return -1;
    }

    /*
     * We already considered the null, true, and false
     * above, so it can only be a number now.
     *
     * NOTE: At this point we do not care about double
     * versus integer, nor about the possible integer
     * range. We generate a plain string Tcl_Obj and leave
     * it to the user of the generated structure to
     * convert to a number when actually needed. This
     * defered conversion also ensures that the Tcl and
     * platform we are building against does not matter
     * regarding integer range, only the abilities of the
     * Tcl at runtime.
     */

    d = strtod(context->text, &end);
    if (end == context->text)
      return -1; /* bare word */

    context->remaining -= (end - context->text);
    context->text = end;
    goto next_token;
  }

  return 0;

  next_token:
  continue;
  }
}
#endif

static void
jsonerror(struct context *context, const char *message)
{
  char *fullmessage;
  char *yytext;
  int   yyleng;

  if (context->obj) {
    yytext = Tcl_GetStringFromObj(context->obj, &yyleng);
    fullmessage = Tcl_Alloc(strlen(message) + 63 + yyleng);

    sprintf(fullmessage, "%s %d bytes before end, around ``%.*s''",
	    message, context->remaining, yyleng, yytext);
  } else {
    fullmessage = Tcl_Alloc(strlen(message) + 63);

    sprintf(fullmessage, "%s %d bytes before end",
	    message, context->remaining);
  }

  TRACE ((">>> %s\n",fullmessage));
  Tcl_SetResult(context->I, fullmessage, TCL_DYNAMIC);
}


Added modules/json/c/json.y.
























































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































































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/*
 * JSON parser, yacc/bison based. Manual lexer.
 * Mikhail.
 */

%{
#include <tcl.h>
#include <ctype.h>
#include <math.h>
#include <string.h>
#include <stdlib.h>
#include <assert.h>

#include <json_y.h>

#define TOKEN(tok)   TRACE (("TOKEN  %s\n", tok))
#define TOKEN1(tok)  TRACE (("TOKEN  %s (%s)\n", tok, Tcl_GetString(context->obj)))
#define REDUCE(rule) TRACE (("REDUCE %s\n", rule))

#define TRUE_O  (Tcl_NewStringObj("true", 4))
#define FALSE_O (Tcl_NewStringObj("false", 5))
#define NULL_O  (Tcl_NewStringObj("null", 4))

static void jsonerror(struct context *, const char *);
static int  jsonlexp(struct context *context);

#define YYPARSE_PARAM_TYPE void *
#define YYPARSE_PARAM	   context
#define YYPARSE_PARAM_DECL

#define yylex()	     jsonlexp(context)
#define yyerror(msg) jsonerror(context, msg)

#ifndef YYBISON
static int yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM);
#endif

%}

%union {
	Tcl_Obj		*obj;
	struct {
		Tcl_Obj	*key;
		Tcl_Obj	*val;
	} keyval;
};

%token STRING CONSTANT

%type <obj>	tree
%type <obj>	json
%type <obj>	object
%type <obj>	list
%type <obj>	values
%type <obj>	members
%type <obj>	value
%type <obj>	string
%type <keyval>	member

%%

tree    : json
	{
		struct context *c = context;
		REDUCE("TREE");
		if (c->I) {
		  Tcl_SetObjResult(c->I, $1);
		  TRACE (("  RESULT (%s)\n", Tcl_GetString($1)));
		}
		c->result = TCL_OK;
	}
	;

json    : value
	;

object	: '{' members '}'
	{
		$$ = $2;
	}
	| '{' '}'
	{
		$$ = Tcl_NewObj();
	}
	;

list	: '[' values ']'
	{
		$$ = $2;
	}
	| '[' ']'
	{
		$$ = Tcl_NewObj();
	}
	;

values	: value
	{	
		$$ = Tcl_NewListObj(1, &$1);
	}
	| values ',' value
	{
		Tcl_ListObjAppendElement(NULL, $1, $3);
		$$ = $1;
	}
	;

members	: member
	{
	        $$ = Tcl_NewListObj(0, NULL);
		Tcl_ListObjAppendElement(NULL, $$, $1.key);
		Tcl_ListObjAppendElement(NULL, $$, $1.val);
	}
	| members ',' member
	{
		Tcl_ListObjAppendElement(NULL, $1, $3.key);
		Tcl_ListObjAppendElement(NULL, $1, $3.val);
		$$ = $1;
	}
	;

member	: string ':' value
	{
		$$.key = $1;
		$$.val = $3;
	}
	;

string	: STRING
	{
		$$ = ((struct context *)context)->obj;
	}
	;

value	: CONSTANT
	{
		$$ = ((struct context *)context)->obj;
	}
	| string
	| object
	| list
	;

%%
#include <err.h>

void
jsonparse (struct context* context)
{
  yyparse (context);
}

#define DRAIN(n) context->text += n, context->remaining -= n

#define	STORESTRINGSEGMENT()				\
	if (initialized) {				\
		if (context->text != bp) {		\
			Tcl_AppendToObj(context->obj,	\
			    bp, context->text - bp);	\
		}					\
	} else {					\
		context->obj = Tcl_NewStringObj(	\
		    bp, context->text - bp);		\
		initialized = 1;			\
	}

void
jsonskip(struct context *context)
{
  while (context->remaining) {
    switch (*context->text) {
    case '\n':
    case ' ':
    case '\t':
    case '\r':
      DRAIN(1);
      continue;
    }
    break;
  }
}

static int
jsonlexp(struct context *context)
{
  const char *bp = NULL;

  /* Question: Why not plain numbers 1,2 for the states
   *           but these specific hex patterns ?
   */
  enum {
    PLAIN	= 0x0000ff00,
    INSTR	= 0x00ff0000
  } lstate;
  double 	 d;
  char		*end;
  const char	*p;
  int		 initialized = 0;

  /*
   * Do not auto-lex beyond a full json structure.
   */
  if (context->result == TCL_OK) {
    TOKEN ("<<eof>>");
    return 0;
  }

  /*
   * Quickly skip and ignore whitespace.
   */
  while (context->remaining) {
    switch (*context->text) {
    case '\n':
    case ' ':
    case '\t':
    case '\r':
      DRAIN(1);
      continue;
    }
    break;
  }

  /*
   * Handle the token following the whitespace. Small state machine to
   * handle strings and escapes in them, and bare words (various
   * contants, and numbers).
   */
  for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) {
    if (lstate == INSTR) {
      if (*context->text == '"') {
	/*
	 * End of quoted string
	 */

	STORESTRINGSEGMENT();
	DRAIN(1);
	TOKEN1 ("STRING");
	return STRING;
      }

      if (*context->text == '\\') {
	/*
	 * Escaped sequence
	 */
	char	buf[TCL_UTF_MAX];
	int	len, consumed;

	STORESTRINGSEGMENT();

	/*
	 * XXX Tcl_UtfBackslash() may be more
	 * XXX permissive, than JSON standard.
	 * XXX But that may be a good thing:
	 * XXX "be generous in what you accept".
	 */
	len = Tcl_UtfBackslash(context->text,
			       &consumed, buf);
	DRAIN(consumed - 1);
	bp = context->text + 1;
	Tcl_AppendToObj(context->obj, buf, len);
      }
      continue;
    }

    switch (*context->text) {
    case ',':
    case '{':
    case ':':
    case '}':
    case '[':
    case ']':
      DRAIN(1);
      TOKEN (context->text[-1]);
      return context->text[-1];
    case 't':
      if ((context->remaining < 4) ||
	  strncmp("rue", context->text + 1, 3))
	goto bareword;
      DRAIN(4);
      context->obj = TRUE_O;
      TOKEN1 ("CONSTANT");
      return CONSTANT;
    case 'f':
      if ((context->remaining < 5) ||
	  strncmp("alse", context->text + 1, 4))
	goto bareword;
      DRAIN(5);
      context->obj = FALSE_O;
      TOKEN1 ("CONSTANT");
      return CONSTANT;
    case 'n':
      if ((context->remaining < 4) ||
	  strncmp("ull", context->text + 1, 3))
	goto bareword;
      DRAIN(4);
      context->obj = NULL_O;
      TOKEN1 ("CONSTANT");
      return CONSTANT;
    case '"':
      bp = context->text + 1;
      lstate = INSTR;
      continue;
    case '\\':
      yyerror("Escape character outside of string");
      TOKEN ("escape error");
      return -1;
    }

    /*
     * We already considered the null, true, and false
     * above, so it can only be a number now.
     *
     * NOTE: At this point we do not care about double
     * versus integer, nor about the possible integer
     * range. We generate a plain string Tcl_Obj and leave
     * it to the user of the generated structure to
     * convert to a number when actually needed. This
     * defered conversion also ensures that the Tcl and
     * platform we are building against does not matter
     * regarding integer range, only the abilities of the
     * Tcl at runtime.
     */

    d = strtod(context->text, &end);
    if (end == context->text)
      goto bareword; /* Nothing parsed */

    context->obj = Tcl_NewStringObj (context->text,
				     end - context->text);

    context->remaining -= (end - context->text);
    context->text = end;
    TOKEN1 ("CONSTANT");
    return CONSTANT;
  }

  TOKEN ("<<eof>>");
  return 0;
 bareword:
  yyerror("Bare word encountered");
  TOKEN ("bare word error");
  return -1;
}

#if 0
int
jsonlex(struct context *context)
{
  const char *bp = NULL;

  /* Question: Why not plain numbers 1,2 for the states
   *           but these specific hex patterns ?
   */
  enum {
    PLAIN	= 0x0000ff00,
    INSTR	= 0x00ff0000
  } lstate;
  double 	 d;
  char		*end;
  const char	*p;
  int		 initialized = 0;

  while (context->remaining) {
    /* Iterate over the whole string and check all tokens.
     * Nothing else.
     */

    /*
     * Quickly skip and ignore whitespace.
     */
    while (context->remaining) {
      switch (*context->text) {
      case '\n':
      case ' ':
      case '\t':
      case '\r':
	DRAIN(1);
	continue;
      }
      break;
    }

  /*
   * Handle the token following the whitespace. Small state machine to
   * handle strings and escapes in them, and bare words (various
   * contants, and numbers).
   */
  for (lstate = PLAIN; context->remaining > 0; DRAIN(1)) {
    if (lstate == INSTR) {
      if (*context->text == '"') {
	/*
	 * End of quoted string
	 */
	DRAIN(1);
	goto next_token;
      }

      if (*context->text == '\\') {
	/*
	 * Escaped sequence
	 */
	char	buf[TCL_UTF_MAX];
	int	len, consumed;

	/*
	 * XXX Tcl_UtfBackslash() may be more
	 * XXX permissive, than JSON standard.
	 * XXX But that may be a good thing:
	 * XXX "be generous in what you accept".
	 */
	len = Tcl_UtfBackslash(context->text, &consumed, buf);
	DRAIN(consumed - 1);
      }
      continue;
    }

    switch (*context->text) {
    case ',':
    case '{':
    case ':':
    case '}':
    case '[':
    case ']':
      DRAIN(1);
      goto next_token;

    case 't':
      if ((context->remaining < 4) ||
	  strncmp("rue", context->text + 1, 3))
	return -1; /* bare word */
      DRAIN(4);
      goto next_token;
    case 'f':
      if ((context->remaining < 5) ||
	  strncmp("alse", context->text + 1, 4))
	return -1; /* bare word */
      DRAIN(5);
      goto next_token;
    case 'n':
      if ((context->remaining < 4) ||
	  strncmp("ull", context->text + 1, 3))
	return -1; /* bare word */
      DRAIN(4);
      goto next_token;
    case '"':
      bp = context->text + 1;
      lstate = INSTR;
      continue;
    case '\\':
      /* Escape outside string, abort. */
      return -1;
    }

    /*
     * We already considered the null, true, and false
     * above, so it can only be a number now.
     *
     * NOTE: At this point we do not care about double
     * versus integer, nor about the possible integer
     * range. We generate a plain string Tcl_Obj and leave
     * it to the user of the generated structure to
     * convert to a number when actually needed. This
     * defered conversion also ensures that the Tcl and
     * platform we are building against does not matter
     * regarding integer range, only the abilities of the
     * Tcl at runtime.
     */

    d = strtod(context->text, &end);
    if (end == context->text)
      return -1; /* bare word */

    context->remaining -= (end - context->text);
    context->text = end;
    goto next_token;
  }

  return 0;

  next_token:
  continue;
  }
}
#endif

static void
jsonerror(struct context *context, const char *message)
{
  char *fullmessage;
  char *yytext;
  int   yyleng;

  if (context->obj) {
    yytext = Tcl_GetStringFromObj(context->obj, &yyleng);
    fullmessage = Tcl_Alloc(strlen(message) + 63 + yyleng);

    sprintf(fullmessage, "%s %d bytes before end, around ``%.*s''",
	    message, context->remaining, yyleng, yytext);
  } else {
    fullmessage = Tcl_Alloc(strlen(message) + 63);

    sprintf(fullmessage, "%s %d bytes before end",
	    message, context->remaining);
  }

  TRACE ((">>> %s\n",fullmessage));
  Tcl_SetResult(context->I, fullmessage, TCL_DYNAMIC);
}

Deleted modules/json/c/json_c_version.c.

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/*
 * Copyright (c) 2012 Eric Haszlakiewicz
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 */
#include "config.h"

#include "json_c_version.h"

const char *json_c_version(void)
{
	return JSON_C_VERSION;
}

int json_c_version_num(void)
{
	return JSON_C_VERSION_NUM;
}

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/*
 * Copyright (c) 2012 Eric Haszlakiewicz
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 */

#ifndef _json_c_version_h_
#define _json_c_version_h_

#define JSON_C_MAJOR_VERSION 0
#define JSON_C_MINOR_VERSION 11
#define JSON_C_MICRO_VERSION 0
#define JSON_C_VERSION_NUM ((JSON_C_MAJOR_VERSION << 16) | \
                            (JSON_C_MINOR_VERSION << 8) | \
                            JSON_C_MICRO_VERSION)
#define JSON_C_VERSION "0.11"

const char *json_c_version(void); /* Returns JSON_C_VERSION */
int json_c_version_num(void);     /* Returns JSON_C_VERSION_NUM */

#endif
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Deleted modules/json/c/json_config.h.

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/* json_config.h.  Generated from json_config.h.in by configure.  */

/* Define to 1 if you have the <inttypes.h> header file. */
#define JSON_C_HAVE_INTTYPES_H 1
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#ifndef _json_inttypes_h_
#define _json_inttypes_h_

#include "json_config.h"

#if defined(_MSC_VER) && _MSC_VER < 1700

/* Anything less than Visual Studio C++ 10 is missing stdint.h and inttypes.h */
typedef __int32 int32_t;
#define INT32_MIN    ((int32_t)_I32_MIN)
#define INT32_MAX    ((int32_t)_I32_MAX)
typedef __int64 int64_t;
#define INT64_MIN    ((int64_t)_I64_MIN)
#define INT64_MAX    ((int64_t)_I64_MAX)
#define PRId64 "I64d"
#define SCNd64 "I64d"

#else

#ifdef JSON_C_HAVE_INTTYPES_H
#include <inttypes.h>
#endif
/* inttypes.h includes stdint.h */

#endif

#endif
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/*
 * $Id: json_object.c,v 1.17 2006/07/25 03:24:50 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 * Copyright (c) 2009 Hewlett-Packard Development Company, L.P.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <string.h>

#include "debug.h"
#include "printbuf.h"
#include "linkhash.h"
#include "arraylist.h"
#include "json_inttypes.h"
#include "json_object.h"
#include "json_object_private.h"
#include "json_util.h"

#if !defined(HAVE_STRDUP) && defined(_MSC_VER)
  /* MSC has the version as _strdup */
# define strdup _strdup
#elif !defined(HAVE_STRDUP)
# error You do not have strdup on your system.
#endif /* HAVE_STRDUP */

#if !defined(HAVE_STRNDUP)
  char* strndup(const char* str, size_t n);
#endif /* !HAVE_STRNDUP */

// Don't define this.  It's not thread-safe.
/* #define REFCOUNT_DEBUG 1 */

const char *json_number_chars = "0123456789.+-eE";
const char *json_hex_chars = "0123456789abcdefABCDEF";

static void json_object_generic_delete(struct json_object* jso);
static struct json_object* json_object_new(enum json_type o_type);

static json_object_to_json_string_fn json_object_object_to_json_string;
static json_object_to_json_string_fn json_object_boolean_to_json_string;
static json_object_to_json_string_fn json_object_int_to_json_string;
static json_object_to_json_string_fn json_object_double_to_json_string;
static json_object_to_json_string_fn json_object_string_to_json_string;
static json_object_to_json_string_fn json_object_array_to_json_string;


/* ref count debugging */

#ifdef REFCOUNT_DEBUG

static struct lh_table *json_object_table;

static void json_object_init(void) __attribute__ ((constructor));
static void json_object_init(void) {
  MC_DEBUG("json_object_init: creating object table\n");
  json_object_table = lh_kptr_table_new(128, "json_object_table", NULL);
}

static void json_object_fini(void) __attribute__ ((destructor));
static void json_object_fini(void) {
  struct lh_entry *ent;
  if(MC_GET_DEBUG()) {
    if (json_object_table->count) {
      MC_DEBUG("json_object_fini: %d referenced objects at exit\n",
  	       json_object_table->count);
      lh_foreach(json_object_table, ent) {
        struct json_object* obj = (struct json_object*)ent->v;
        MC_DEBUG("\t%s:%p\n", json_type_to_name(obj->o_type), obj);
      }
    }
  }
  MC_DEBUG("json_object_fini: freeing object table\n");
  lh_table_free(json_object_table);
}
#endif /* REFCOUNT_DEBUG */


/* string escaping */

static int json_escape_str(struct printbuf *pb, char *str, int len)
{
  int pos = 0, start_offset = 0;
  unsigned char c;
  while (len--) {
    c = str[pos];
    switch(c) {
    case '\b':
    case '\n':
    case '\r':
    case '\t':
    case '\f':
    case '"':
    case '\\':
    case '/':
      if(pos - start_offset > 0)
	printbuf_memappend(pb, str + start_offset, pos - start_offset);
      if(c == '\b') printbuf_memappend(pb, "\\b", 2);
      else if(c == '\n') printbuf_memappend(pb, "\\n", 2);
      else if(c == '\r') printbuf_memappend(pb, "\\r", 2);
      else if(c == '\t') printbuf_memappend(pb, "\\t", 2);
      else if(c == '\f') printbuf_memappend(pb, "\\f", 2);
      else if(c == '"') printbuf_memappend(pb, "\\\"", 2);
      else if(c == '\\') printbuf_memappend(pb, "\\\\", 2);
      else if(c == '/') printbuf_memappend(pb, "\\/", 2);
      start_offset = ++pos;
      break;
    default:
      if(c < ' ') {
	if(pos - start_offset > 0)
	  printbuf_memappend(pb, str + start_offset, pos - start_offset);
	sprintbuf(pb, "\\u00%c%c",
		  json_hex_chars[c >> 4],
		  json_hex_chars[c & 0xf]);
	start_offset = ++pos;
      } else pos++;
    }
  }
  if(pos - start_offset > 0)
    printbuf_memappend(pb, str + start_offset, pos - start_offset);
  return 0;
}


/* reference counting */

extern struct json_object* json_object_get(struct json_object *jso)
{
  if(jso) {
    jso->_ref_count++;
  }
  return jso;
}

int json_object_put(struct json_object *jso)
{
	if(jso)
	{
		jso->_ref_count--;
		if(!jso->_ref_count)
		{
			if (jso->_user_delete)
				jso->_user_delete(jso, jso->_userdata);
			jso->_delete(jso);
			return 1;
		}
	}
	return 0;
}


/* generic object construction and destruction parts */

static void json_object_generic_delete(struct json_object* jso)
{
#ifdef REFCOUNT_DEBUG
  MC_DEBUG("json_object_delete_%s: %p\n",
	   json_type_to_name(jso->o_type), jso);
  lh_table_delete(json_object_table, jso);
#endif /* REFCOUNT_DEBUG */
  printbuf_free(jso->_pb);
  free(jso);
}

static struct json_object* json_object_new(enum json_type o_type)
{
  struct json_object *jso;

  jso = (struct json_object*)calloc(sizeof(struct json_object), 1);
  if(!jso) return NULL;
  jso->o_type = o_type;
  jso->_ref_count = 1;
  jso->_delete = &json_object_generic_delete;
#ifdef REFCOUNT_DEBUG
  lh_table_insert(json_object_table, jso, jso);
  MC_DEBUG("json_object_new_%s: %p\n", json_type_to_name(jso->o_type), jso);
#endif /* REFCOUNT_DEBUG */
  return jso;
}


/* type checking functions */

int json_object_is_type(struct json_object *jso, enum json_type type)
{
  if (!jso)
    return (type == json_type_null);
  return (jso->o_type == type);
}

enum json_type json_object_get_type(struct json_object *jso)
{
  if (!jso)
    return json_type_null;
  return jso->o_type;
}

/* set a custom conversion to string */

void json_object_set_serializer(json_object *jso,
	json_object_to_json_string_fn to_string_func,
	void *userdata,
	json_object_delete_fn *user_delete)
{
	// First, clean up any previously existing user info
	if (jso->_user_delete)
	{
		jso->_user_delete(jso, jso->_userdata);
	}
	jso->_userdata = NULL;
	jso->_user_delete = NULL;

	if (to_string_func == NULL)
	{
		// Reset to the standard serialization function
		switch(jso->o_type)
		{
		case json_type_null:
			jso->_to_json_string = NULL;
			break;
		case json_type_boolean:
			jso->_to_json_string = &json_object_boolean_to_json_string;
			break;
		case json_type_double:
			jso->_to_json_string = &json_object_double_to_json_string;
			break;
		case json_type_int:
			jso->_to_json_string = &json_object_int_to_json_string;
			break;
		case json_type_object:
			jso->_to_json_string = &json_object_object_to_json_string;
			break;
		case json_type_array:
			jso->_to_json_string = &json_object_array_to_json_string;
			break;
		case json_type_string:
			jso->_to_json_string = &json_object_string_to_json_string;
			break;
		}
		return;
	}

	jso->_to_json_string = to_string_func;
	jso->_userdata = userdata;
	jso->_user_delete = user_delete;
}


/* extended conversion to string */

const char* json_object_to_json_string_ext(struct json_object *jso, int flags)
{
	if (!jso)
		return "null";

	if ((!jso->_pb) && !(jso->_pb = printbuf_new()))
		return NULL;

	printbuf_reset(jso->_pb);

	if(jso->_to_json_string(jso, jso->_pb, 0, flags) < 0)
		return NULL;

	return jso->_pb->buf;
}

/* backwards-compatible conversion to string */

const char* json_object_to_json_string(struct json_object *jso)
{
	return json_object_to_json_string_ext(jso, JSON_C_TO_STRING_SPACED);
}

static void indent(struct printbuf *pb, int level, int flags)
{
	if (flags & JSON_C_TO_STRING_PRETTY)
	{
		printbuf_memset(pb, -1, ' ', level * 2);
	}
}

/* json_object_object */

static int json_object_object_to_json_string(struct json_object* jso,
					     struct printbuf *pb,
					     int level,
						 int flags)
{
	int had_children = 0;
	struct json_object_iter iter;

	sprintbuf(pb, "{" /*}*/);
	if (flags & JSON_C_TO_STRING_PRETTY)
		sprintbuf(pb, "\n");
	json_object_object_foreachC(jso, iter)
	{
		if (had_children)
		{
			sprintbuf(pb, ",");
			if (flags & JSON_C_TO_STRING_PRETTY)
				sprintbuf(pb, "\n");
		}
		had_children = 1;
		if (flags & JSON_C_TO_STRING_SPACED)
			sprintbuf(pb, " ");
		indent(pb, level+1, flags);
		sprintbuf(pb, "\"");
		json_escape_str(pb, iter.key, strlen(iter.key));
		if (flags & JSON_C_TO_STRING_SPACED)
			sprintbuf(pb, "\": ");
		else
			sprintbuf(pb, "\":");
		if(iter.val == NULL)
			sprintbuf(pb, "null");
		else
			iter.val->_to_json_string(iter.val, pb, level+1,flags);
	}
	if (flags & JSON_C_TO_STRING_PRETTY)
	{
		if (had_children)
			sprintbuf(pb, "\n");
		indent(pb,level,flags);
	}
	if (flags & JSON_C_TO_STRING_SPACED)
		return sprintbuf(pb, /*{*/ " }");
	else
		return sprintbuf(pb, /*{*/ "}");
}


static void json_object_lh_entry_free(struct lh_entry *ent)
{
  free(ent->k);
  json_object_put((struct json_object*)ent->v);
}

static void json_object_object_delete(struct json_object* jso)
{
  lh_table_free(jso->o.c_object);
  json_object_generic_delete(jso);
}

struct json_object* json_object_new_object(void)
{
  struct json_object *jso = json_object_new(json_type_object);
  if(!jso) return NULL;
  jso->_delete = &json_object_object_delete;
  jso->_to_json_string = &json_object_object_to_json_string;
  jso->o.c_object = lh_kchar_table_new(JSON_OBJECT_DEF_HASH_ENTRIES,
					NULL, &json_object_lh_entry_free);
  return jso;
}

struct lh_table* json_object_get_object(struct json_object *jso)
{
  if(!jso) return NULL;
  switch(jso->o_type) {
  case json_type_object:
    return jso->o.c_object;
  default:
    return NULL;
  }
}

void json_object_object_add(struct json_object* jso, const char *key,
			    struct json_object *val)
{
	// We lookup the entry and replace the value, rather than just deleting
	// and re-adding it, so the existing key remains valid.
	json_object *existing_value = NULL;
	struct lh_entry *existing_entry;
	existing_entry = lh_table_lookup_entry(jso->o.c_object, (void*)key);
	if (!existing_entry)
	{
		lh_table_insert(jso->o.c_object, strdup(key), val);
		return;
	}
	existing_value = (void *)existing_entry->v;
	if (existing_value)
		json_object_put(existing_value);
	existing_entry->v = val;
}

int json_object_object_length(struct json_object *jso)
{
	return lh_table_length(jso->o.c_object);
}

struct json_object* json_object_object_get(struct json_object* jso, const char *key)
{
	struct json_object *result = NULL;
	json_object_object_get_ex(jso, key, &result);
	return result;
}

json_bool json_object_object_get_ex(struct json_object* jso, const char *key, struct json_object **value)
{
	if (value != NULL)
		*value = NULL;

	if (NULL == jso)
		return FALSE;

	switch(jso->o_type)
	{
	case json_type_object:
		return lh_table_lookup_ex(jso->o.c_object, (void*)key, (void**)value);
	default:
		if (value != NULL)
			*value = NULL;
		return FALSE;
	}
}

void json_object_object_del(struct json_object* jso, const char *key)
{
	lh_table_delete(jso->o.c_object, key);
}


/* json_object_boolean */

static int json_object_boolean_to_json_string(struct json_object* jso,
					      struct printbuf *pb,
					      int level,
						  int flags)
{
  if(jso->o.c_boolean) return sprintbuf(pb, "true");
  else return sprintbuf(pb, "false");
}

struct json_object* json_object_new_boolean(json_bool b)
{
  struct json_object *jso = json_object_new(json_type_boolean);
  if(!jso) return NULL;
  jso->_to_json_string = &json_object_boolean_to_json_string;
  jso->o.c_boolean = b;
  return jso;
}

json_bool json_object_get_boolean(struct json_object *jso)
{
  if(!jso) return FALSE;
  switch(jso->o_type) {
  case json_type_boolean:
    return jso->o.c_boolean;
  case json_type_int:
    return (jso->o.c_int64 != 0);
  case json_type_double:
    return (jso->o.c_double != 0);
  case json_type_string:
    return (jso->o.c_string.len != 0);
  default:
    return FALSE;
  }
}


/* json_object_int */

static int json_object_int_to_json_string(struct json_object* jso,
					  struct printbuf *pb,
					  int level,
					  int flags)
{
  return sprintbuf(pb, "%"PRId64, jso->o.c_int64);
}

struct json_object* json_object_new_int(int32_t i)
{
  struct json_object *jso = json_object_new(json_type_int);
  if(!jso) return NULL;
  jso->_to_json_string = &json_object_int_to_json_string;
  jso->o.c_int64 = i;
  return jso;
}

int32_t json_object_get_int(struct json_object *jso)
{
  int64_t cint64;
  enum json_type o_type;

  if(!jso) return 0;

  o_type = jso->o_type;
  cint64 = jso->o.c_int64;

  if (o_type == json_type_string)
  {
	/*
	 * Parse strings into 64-bit numbers, then use the
	 * 64-to-32-bit number handling below.
	 */
	if (json_parse_int64(jso->o.c_string.str, &cint64) != 0)
		return 0; /* whoops, it didn't work. */
	o_type = json_type_int;
  }

  switch(o_type) {
  case json_type_int:
	/* Make sure we return the correct values for out of range numbers. */
	if (cint64 <= INT32_MIN)
		return INT32_MIN;
	else if (cint64 >= INT32_MAX)
		return INT32_MAX;
	else
		return (int32_t)cint64;
  case json_type_double:
    return (int32_t)jso->o.c_double;
  case json_type_boolean:
    return jso->o.c_boolean;
  default:
    return 0;
  }
}

struct json_object* json_object_new_int64(int64_t i)
{
  struct json_object *jso = json_object_new(json_type_int);
  if(!jso) return NULL;
  jso->_to_json_string = &json_object_int_to_json_string;
  jso->o.c_int64 = i;
  return jso;
}

int64_t json_object_get_int64(struct json_object *jso)
{
   int64_t cint;

  if(!jso) return 0;
  switch(jso->o_type) {
  case json_type_int:
    return jso->o.c_int64;
  case json_type_double:
    return (int64_t)jso->o.c_double;
  case json_type_boolean:
    return jso->o.c_boolean;
  case json_type_string:
	if (json_parse_int64(jso->o.c_string.str, &cint) == 0) return cint;
  default:
    return 0;
  }
}


/* json_object_double */

static int json_object_double_to_json_string(struct json_object* jso,
					     struct printbuf *pb,
					     int level,
						 int flags)
{
  char buf[128], *p, *q;
  int size;

  size = snprintf(buf, 128, "%f", jso->o.c_double);
  p = strchr(buf, ',');
  if (p) {
    *p = '.';
  } else {
    p = strchr(buf, '.');
  }
  if (p && (flags & JSON_C_TO_STRING_NOZERO)) {
    /* last useful digit, always keep 1 zero */
    p++;
    for (q=p ; *q ; q++) {
      if (*q!='0') p=q;
    }
    /* drop trailing zeroes */
    *(++p) = 0;
    size = p-buf;
  }
  printbuf_memappend(pb, buf, size);
  return size;
}

struct json_object* json_object_new_double(double d)
{
  struct json_object *jso = json_object_new(json_type_double);
  if(!jso) return NULL;
  jso->_to_json_string = &json_object_double_to_json_string;
  jso->o.c_double = d;
  return jso;
}

double json_object_get_double(struct json_object *jso)
{
  double cdouble;

  if(!jso) return 0.0;
  switch(jso->o_type) {
  case json_type_double:
    return jso->o.c_double;
  case json_type_int:
    return jso->o.c_int64;
  case json_type_boolean:
    return jso->o.c_boolean;
  case json_type_string:
    if(sscanf(jso->o.c_string.str, "%lf", &cdouble) == 1) return cdouble;
  default:
    return 0.0;
  }
}


/* json_object_string */

static int json_object_string_to_json_string(struct json_object* jso,
					     struct printbuf *pb,
					     int level,
						 int flags)
{
  sprintbuf(pb, "\"");
  json_escape_str(pb, jso->o.c_string.str, jso->o.c_string.len);
  sprintbuf(pb, "\"");
  return 0;
}

static void json_object_string_delete(struct json_object* jso)
{
  free(jso->o.c_string.str);
  json_object_generic_delete(jso);
}

struct json_object* json_object_new_string(const char *s)
{
  struct json_object *jso = json_object_new(json_type_string);
  if(!jso) return NULL;
  jso->_delete = &json_object_string_delete;
  jso->_to_json_string = &json_object_string_to_json_string;
  jso->o.c_string.str = strdup(s);
  jso->o.c_string.len = strlen(s);
  return jso;
}

struct json_object* json_object_new_string_len(const char *s, int len)
{
  struct json_object *jso = json_object_new(json_type_string);
  if(!jso) return NULL;
  jso->_delete = &json_object_string_delete;
  jso->_to_json_string = &json_object_string_to_json_string;
  jso->o.c_string.str = (char*)malloc(len + 1);
  memcpy(jso->o.c_string.str, (void *)s, len);
  jso->o.c_string.str[len] = '\0';
  jso->o.c_string.len = len;
  return jso;
}

const char* json_object_get_string(struct json_object *jso)
{
  if(!jso) return NULL;
  switch(jso->o_type) {
  case json_type_string:
    return jso->o.c_string.str;
  default:
    return json_object_to_json_string(jso);
  }
}

int json_object_get_string_len(struct json_object *jso)  {
  if(!jso) return 0;
  switch(jso->o_type) {
  case json_type_string:
    return jso->o.c_string.len;
  default:
    return 0;
  }
}


/* json_object_array */

static int json_object_array_to_json_string(struct json_object* jso,
                                            struct printbuf *pb,
                                            int level,
                                            int flags)
{
	int had_children = 0;
	int ii;
	sprintbuf(pb, "[");
	if (flags & JSON_C_TO_STRING_PRETTY)
		sprintbuf(pb, "\n");
	for(ii=0; ii < json_object_array_length(jso); ii++)
	{
		struct json_object *val;
		if (had_children)
		{
			sprintbuf(pb, ",");
			if (flags & JSON_C_TO_STRING_PRETTY)
				sprintbuf(pb, "\n");
		}
		had_children = 1;
		if (flags & JSON_C_TO_STRING_SPACED)
			sprintbuf(pb, " ");
		indent(pb, level + 1, flags);
		val = json_object_array_get_idx(jso, ii);
		if(val == NULL)
			sprintbuf(pb, "null");
		else
			val->_to_json_string(val, pb, level+1, flags);
	}
	if (flags & JSON_C_TO_STRING_PRETTY)
	{
		if (had_children)
			sprintbuf(pb, "\n");
		indent(pb,level,flags);
	}

	if (flags & JSON_C_TO_STRING_SPACED)
		return sprintbuf(pb, " ]");
	else
		return sprintbuf(pb, "]");
}

static void json_object_array_entry_free(void *data)
{
  json_object_put((struct json_object*)data);
}

static void json_object_array_delete(struct json_object* jso)
{
  array_list_free(jso->o.c_array);
  json_object_generic_delete(jso);
}

struct json_object* json_object_new_array(void)
{
  struct json_object *jso = json_object_new(json_type_array);
  if(!jso) return NULL;
  jso->_delete = &json_object_array_delete;
  jso->_to_json_string = &json_object_array_to_json_string;
  jso->o.c_array = array_list_new(&json_object_array_entry_free);
  return jso;
}

struct array_list* json_object_get_array(struct json_object *jso)
{
  if(!jso) return NULL;
  switch(jso->o_type) {
  case json_type_array:
    return jso->o.c_array;
  default:
    return NULL;
  }
}

void json_object_array_sort(struct json_object *jso, int(*sort_fn)(const void *, const void *))
{
  array_list_sort(jso->o.c_array, sort_fn);
}

int json_object_array_length(struct json_object *jso)
{
  return array_list_length(jso->o.c_array);
}

int json_object_array_add(struct json_object *jso,struct json_object *val)
{
  return array_list_add(jso->o.c_array, val);
}

int json_object_array_put_idx(struct json_object *jso, int idx,
			      struct json_object *val)
{
  return array_list_put_idx(jso->o.c_array, idx, val);
}

struct json_object* json_object_array_get_idx(struct json_object *jso,
					      int idx)
{
  return (struct json_object*)array_list_get_idx(jso->o.c_array, idx);
}

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/*
 * $Id: json_object.h,v 1.12 2006/01/30 23:07:57 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 * Copyright (c) 2009 Hewlett-Packard Development Company, L.P.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _json_object_h_
#define _json_object_h_

#include "json_inttypes.h"

#ifdef __cplusplus
extern "C" {
#endif

#define JSON_OBJECT_DEF_HASH_ENTRIES 16

/**
 * A flag for the json_object_to_json_string_ext() and
 * json_object_to_file_ext() functions which causes the output
 * to have no extra whitespace or formatting applied.
 */
#define JSON_C_TO_STRING_PLAIN      0
/**
 * A flag for the json_object_to_json_string_ext() and
 * json_object_to_file_ext() functions which causes the output to have
 * minimal whitespace inserted to make things slightly more readable.
 */
#define JSON_C_TO_STRING_SPACED     (1<<0)
/**
 * A flag for the json_object_to_json_string_ext() and
 * json_object_to_file_ext() functions which causes
 * the output to be formatted.
 *
 * See the "Two Space Tab" option at http://jsonformatter.curiousconcept.com/
 * for an example of the format.
 */
#define JSON_C_TO_STRING_PRETTY     (1<<1)
/**
 * A flag to drop trailing zero for float values
 */
#define JSON_C_TO_STRING_NOZERO     (1<<2)

#undef FALSE
#define FALSE ((json_bool)0)

#undef TRUE
#define TRUE ((json_bool)1)

extern const char *json_number_chars;
extern const char *json_hex_chars;

/* CAW: added for ANSI C iteration correctness */
struct json_object_iter
{
	char *key;
	struct json_object *val;
	struct lh_entry *entry;
};

/* forward structure definitions */

typedef int json_bool;
typedef struct printbuf printbuf;
typedef struct lh_table lh_table;
typedef struct array_list array_list;
typedef struct json_object json_object;
typedef struct json_object_iter json_object_iter;
typedef struct json_tokener json_tokener;

/**
 * Type of custom user delete functions.  See json_object_set_serializer.
 */
typedef void (json_object_delete_fn)(struct json_object *jso, void *userdata);

/**
 * Type of a custom serialization function.  See json_object_set_serializer.
 */
typedef int (json_object_to_json_string_fn)(struct json_object *jso,
						struct printbuf *pb,
						int level,
						int flags);

/* supported object types */

typedef enum json_type {
  /* If you change this, be sure to update json_type_to_name() too */
  json_type_null,
  json_type_boolean,
  json_type_double,
  json_type_int,
  json_type_object,
  json_type_array,
  json_type_string,
} json_type;

/* reference counting functions */

/**
 * Increment the reference count of json_object, thereby grabbing shared 
 * ownership of obj.
 *
 * @param obj the json_object instance
 */
extern struct json_object* json_object_get(struct json_object *obj);

/**
 * Decrement the reference count of json_object and free if it reaches zero.
 * You must have ownership of obj prior to doing this or you will cause an
 * imbalance in the reference count.
 *
 * @param obj the json_object instance
 * @returns 1 if the object was freed.
 */
int json_object_put(struct json_object *obj);

/**
 * Check if the json_object is of a given type
 * @param obj the json_object instance
 * @param type one of:
     json_type_null (i.e. obj == NULL),
     json_type_boolean,
     json_type_double,
     json_type_int,
     json_type_object,
     json_type_array,
     json_type_string,
 */
extern int json_object_is_type(struct json_object *obj, enum json_type type);

/**
 * Get the type of the json_object.  See also json_type_to_name() to turn this
 * into a string suitable, for instance, for logging.
 *
 * @param obj the json_object instance
 * @returns type being one of:
     json_type_null (i.e. obj == NULL),
     json_type_boolean,
     json_type_double,
     json_type_int,
     json_type_object,
     json_type_array,
     json_type_string,
 */
extern enum json_type json_object_get_type(struct json_object *obj);


/** Stringify object to json format.
 * Equivalent to json_object_to_json_string_ext(obj, JSON_C_TO_STRING_SPACED)
 * @param obj the json_object instance
 * @returns a string in JSON format
 */
extern const char* json_object_to_json_string(struct json_object *obj);

/** Stringify object to json format
 * @param obj the json_object instance
 * @param flags formatting options, see JSON_C_TO_STRING_PRETTY and other constants
 * @returns a string in JSON format
 */
extern const char* json_object_to_json_string_ext(struct json_object *obj, int
flags);

/**
 * Set a custom serialization function to be used when this particular object
 * is converted to a string by json_object_to_json_string.
 *
 * If a custom serializer is already set on this object, any existing 
 * user_delete function is called before the new one is set.
 *
 * If to_string_func is NULL, the other parameters are ignored
 * and the default behaviour is reset.
 *
 * The userdata parameter is optional and may be passed as NULL.  If provided,
 * it is passed to to_string_func as-is.  This parameter may be NULL even
 * if user_delete is non-NULL.
 *
 * The user_delete parameter is optional and may be passed as NULL, even if
 * the userdata parameter is non-NULL.  It will be called just before the
 * json_object is deleted, after it's reference count goes to zero
 * (see json_object_put()).
 * If this is not provided, it is up to the caller to free the userdata at
 * an appropriate time. (i.e. after the json_object is deleted)
 *
 * @param jso the object to customize
 * @param to_string_func the custom serialization function
 * @param userdata an optional opaque cookie
 * @param user_delete an optional function from freeing userdata
 */
void json_object_set_serializer(json_object *jso,
	json_object_to_json_string_fn to_string_func,
	void *userdata,
	json_object_delete_fn *user_delete);



/* object type methods */

/** Create a new empty object with a reference count of 1.  The caller of
 * this object initially has sole ownership.  Remember, when using
 * json_object_object_add or json_object_array_put_idx, ownership will
 * transfer to the object/array.  Call json_object_get if you want to maintain
 * shared ownership or also add this object as a child of multiple objects or
 * arrays.  Any ownerships you acquired but did not transfer must be released
 * through json_object_put.
 *
 * @returns a json_object of type json_type_object
 */
extern struct json_object* json_object_new_object(void);

/** Get the hashtable of a json_object of type json_type_object
 * @param obj the json_object instance
 * @returns a linkhash
 */
extern struct lh_table* json_object_get_object(struct json_object *obj);

/** Get the size of an object in terms of the number of fields it has.
 * @param obj the json_object whose length to return
 */
extern int json_object_object_length(struct json_object* obj);

/** Add an object field to a json_object of type json_type_object
 *
 * The reference count will *not* be incremented. This is to make adding
 * fields to objects in code more compact. If you want to retain a reference
 * to an added object, independent of the lifetime of obj, you must wrap the
 * passed object with json_object_get.
 *
 * Upon calling this, the ownership of val transfers to obj.  Thus you must
 * make sure that you do in fact have ownership over this object.  For instance,
 * json_object_new_object will give you ownership until you transfer it,
 * whereas json_object_object_get does not.
 *
 * @param obj the json_object instance
 * @param key the object field name (a private copy will be duplicated)
 * @param val a json_object or NULL member to associate with the given field
 */
extern void json_object_object_add(struct json_object* obj, const char *key,
				   struct json_object *val);

/** Get the json_object associate with a given object field
 *
 * *No* reference counts will be changed.  There is no need to manually adjust
 * reference counts through the json_object_put/json_object_get methods unless
 * you need to have the child (value) reference maintain a different lifetime
 * than the owning parent (obj). Ownership of the returned value is retained
 * by obj (do not do json_object_put unless you have done a json_object_get).
 * If you delete the value from obj (json_object_object_del) and wish to access
 * the returned reference afterwards, make sure you have first gotten shared
 * ownership through json_object_get (& don't forget to do a json_object_put
 * or transfer ownership to prevent a memory leak).
 *
 * @param obj the json_object instance
 * @param key the object field name
 * @returns the json_object associated with the given field name
 * @deprecated Please use json_object_object_get_ex
 */
extern struct json_object* json_object_object_get(struct json_object* obj,
						  const char *key);

/** Get the json_object associated with a given object field.  
 *
 * This returns true if the key is found, false in all other cases (including 
 * if obj isn't a json_type_object).
 *
 * *No* reference counts will be changed.  There is no need to manually adjust
 * reference counts through the json_object_put/json_object_get methods unless
 * you need to have the child (value) reference maintain a different lifetime
 * than the owning parent (obj).  Ownership of value is retained by obj.
 *
 * @param obj the json_object instance
 * @param key the object field name
 * @param value a pointer where to store a reference to the json_object 
 *              associated with the given field name.
 *
 *              It is safe to pass a NULL value.
 * @returns whether or not the key exists
 */
extern json_bool json_object_object_get_ex(struct json_object* obj,
						  const char *key,
                                                  struct json_object **value);

/** Delete the given json_object field
 *
 * The reference count will be decremented for the deleted object.  If there
 * are no more owners of the value represented by this key, then the value is
 * freed.  Otherwise, the reference to the value will remain in memory.
 *
 * @param obj the json_object instance
 * @param key the object field name
 */
extern void json_object_object_del(struct json_object* obj, const char *key);

/**
 * Iterate through all keys and values of an object.
 *
 * Adding keys to the object while iterating is NOT allowed.
 *
 * Deleting an existing key, or replacing an existing key with a
 * new value IS allowed.
 *
 * @param obj the json_object instance
 * @param key the local name for the char* key variable defined in the body
 * @param val the local name for the json_object* object variable defined in
 *            the body
 */
#if defined(__GNUC__) && !defined(__STRICT_ANSI__) && __STDC_VERSION__ >= 199901L

# define json_object_object_foreach(obj,key,val) \
	char *key; \
	struct json_object *val __attribute__((__unused__)); \
	for(struct lh_entry *entry ## key = json_object_get_object(obj)->head, *entry_next ## key = NULL; \
		({ if(entry ## key) { \
			key = (char*)entry ## key->k; \
			val = (struct json_object*)entry ## key->v; \
			entry_next ## key = entry ## key->next; \
		} ; entry ## key; }); \
		entry ## key = entry_next ## key )

#else /* ANSI C or MSC */

# define json_object_object_foreach(obj,key,val) \
	char *key;\
	struct json_object *val; \
	struct lh_entry *entry ## key; \
	struct lh_entry *entry_next ## key = NULL; \
	for(entry ## key = json_object_get_object(obj)->head; \
		(entry ## key ? ( \
			key = (char*)entry ## key->k, \
			val = (struct json_object*)entry ## key->v, \
			entry_next ## key = entry ## key->next, \
			entry ## key) : 0); \
		entry ## key = entry_next ## key)

#endif /* defined(__GNUC__) && !defined(__STRICT_ANSI__) && __STDC_VERSION__ >= 199901L */

/** Iterate through all keys and values of an object (ANSI C Safe)
 * @param obj the json_object instance
 * @param iter the object iterator
 */
#define json_object_object_foreachC(obj,iter) \
 for(iter.entry = json_object_get_object(obj)->head; (iter.entry ? (iter.key = (char*)iter.entry->k, iter.val = (struct json_object*)iter.entry->v, iter.entry) : 0); iter.entry = iter.entry->next)

/* Array type methods */

/** Create a new empty json_object of type json_type_array
 * @returns a json_object of type json_type_array
 */
extern struct json_object* json_object_new_array(void);

/** Get the arraylist of a json_object of type json_type_array
 * @param obj the json_object instance
 * @returns an arraylist
 */
extern struct array_list* json_object_get_array(struct json_object *obj);

/** Get the length of a json_object of type json_type_array
 * @param obj the json_object instance
 * @returns an int
 */
extern int json_object_array_length(struct json_object *obj);

/** Sorts the elements of jso of type json_type_array
*
* Pointers to the json_object pointers will be passed as the two arguments
* to @sort_fn
*
* @param obj the json_object instance
* @param sort_fn a sorting function
*/
extern void json_object_array_sort(struct json_object *jso, int(*sort_fn)(const void *, const void *));

/** Add an element to the end of a json_object of type json_type_array
 *
 * The reference count will *not* be incremented. This is to make adding
 * fields to objects in code more compact. If you want to retain a reference
 * to an added object you must wrap the passed object with json_object_get
 *
 * @param obj the json_object instance
 * @param val the json_object to be added
 */
extern int json_object_array_add(struct json_object *obj,
				 struct json_object *val);

/** Insert or replace an element at a specified index in an array (a json_object of type json_type_array)
 *
 * The reference count will *not* be incremented. This is to make adding
 * fields to objects in code more compact. If you want to retain a reference
 * to an added object you must wrap the passed object with json_object_get
 *
 * The reference count of a replaced object will be decremented.
 *
 * The array size will be automatically be expanded to the size of the
 * index if the index is larger than the current size.
 *
 * @param obj the json_object instance
 * @param idx the index to insert the element at
 * @param val the json_object to be added
 */
extern int json_object_array_put_idx(struct json_object *obj, int idx,
				     struct json_object *val);

/** Get the element at specificed index of the array (a json_object of type json_type_array)
 * @param obj the json_object instance
 * @param idx the index to get the element at
 * @returns the json_object at the specified index (or NULL)
 */
extern struct json_object* json_object_array_get_idx(struct json_object *obj,
						     int idx);

/* json_bool type methods */

/** Create a new empty json_object of type json_type_boolean
 * @param b a json_bool TRUE or FALSE (0 or 1)
 * @returns a json_object of type json_type_boolean
 */
extern struct json_object* json_object_new_boolean(json_bool b);

/** Get the json_bool value of a json_object
 *
 * The type is coerced to a json_bool if the passed object is not a json_bool.
 * integer and double objects will return FALSE if there value is zero
 * or TRUE otherwise. If the passed object is a string it will return
 * TRUE if it has a non zero length. If any other object type is passed
 * TRUE will be returned if the object is not NULL.
 *
 * @param obj the json_object instance
 * @returns a json_bool
 */
extern json_bool json_object_get_boolean(struct json_object *obj);


/* int type methods */

/** Create a new empty json_object of type json_type_int
 * Note that values are stored as 64-bit values internally.
 * To ensure the full range is maintained, use json_object_new_int64 instead.
 * @param i the integer
 * @returns a json_object of type json_type_int
 */
extern struct json_object* json_object_new_int(int32_t i);


/** Create a new empty json_object of type json_type_int
 * @param i the integer
 * @returns a json_object of type json_type_int
 */
extern struct json_object* json_object_new_int64(int64_t i);


/** Get the int value of a json_object
 *
 * The type is coerced to a int if the passed object is not a int.
 * double objects will return their integer conversion. Strings will be
 * parsed as an integer. If no conversion exists then 0 is returned
 * and errno is set to EINVAL. null is equivalent to 0 (no error values set)
 *
 * Note that integers are stored internally as 64-bit values.
 * If the value of too big or too small to fit into 32-bit, INT32_MAX or
 * INT32_MIN are returned, respectively.
 *
 * @param obj the json_object instance
 * @returns an int
 */
extern int32_t json_object_get_int(struct json_object *obj);

/** Get the int value of a json_object
 *
 * The type is coerced to a int64 if the passed object is not a int64.
 * double objects will return their int64 conversion. Strings will be
 * parsed as an int64. If no conversion exists then 0 is returned.
 *
 * NOTE: Set errno to 0 directly before a call to this function to determine
 * whether or not conversion was successful (it does not clear the value for
 * you).
 *
 * @param obj the json_object instance
 * @returns an int64
 */
extern int64_t json_object_get_int64(struct json_object *obj);


/* double type methods */

/** Create a new empty json_object of type json_type_double
 * @param d the double
 * @returns a json_object of type json_type_double
 */
extern struct json_object* json_object_new_double(double d);

/** Get the double floating point value of a json_object
 *
 * The type is coerced to a double if the passed object is not a double.
 * integer objects will return their double conversion. Strings will be
 * parsed as a double. If no conversion exists then 0.0 is returned and
 * errno is set to EINVAL. null is equivalent to 0 (no error values set)
 *
 * If the value is too big to fit in a double, then the value is set to
 * the closest infinity with errno set to ERANGE. If strings cannot be
 * converted to their double value, then EINVAL is set & NaN is returned.
 *
 * Arrays of length 0 are interpreted as 0 (with no error flags set).
 * Arrays of length 1 are effectively cast to the equivalent object and
 * converted using the above rules.  All other arrays set the error to
 * EINVAL & return NaN.
 *
 * NOTE: Set errno to 0 directly before a call to this function to
 * determine whether or not conversion was successful (it does not clear
 * the value for you).
 *
 * @param obj the json_object instance
 * @returns a double floating point number
 */
extern double json_object_get_double(struct json_object *obj);


/* string type methods */

/** Create a new empty json_object of type json_type_string
 *
 * A copy of the string is made and the memory is managed by the json_object
 *
 * @param s the string
 * @returns a json_object of type json_type_string
 */
extern struct json_object* json_object_new_string(const char *s);

extern struct json_object* json_object_new_string_len(const char *s, int len);

/** Get the string value of a json_object
 *
 * If the passed object is not of type json_type_string then the JSON
 * representation of the object is returned.
 *
 * The returned string memory is managed by the json_object and will
 * be freed when the reference count of the json_object drops to zero.
 *
 * @param obj the json_object instance
 * @returns a string
 */
extern const char* json_object_get_string(struct json_object *obj);

/** Get the string length of a json_object
 *
 * If the passed object is not of type json_type_string then zero
 * will be returned.
 *
 * @param obj the json_object instance
 * @returns int
 */
extern int json_object_get_string_len(struct json_object *obj);

#ifdef __cplusplus
}
#endif

#endif
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/**
*******************************************************************************
* @file json_object_iterator.c
*
* Copyright (c) 2009-2012 Hewlett-Packard Development Company, L.P.
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See COPYING for details.
*
* @brief  json-c forces clients to use its private data
*         structures for JSON Object iteration.  This API
*         implementation corrects that by abstracting the
*         private json-c details.
*
*******************************************************************************
*/

#include <stddef.h>

#include "json.h"
#include "json_object_private.h"

#include "json_object_iterator.h"

/**
 * How It Works
 *
 * For each JSON Object, json-c maintains a linked list of zero
 * or more lh_entry (link-hash entry) structures inside the
 * Object's link-hash table (lh_table).
 *
 * Each lh_entry structure on the JSON Object's linked list
 * represents a single name/value pair.  The "next" field of the
 * last lh_entry in the list is set to NULL, which terminates
 * the list.
 *
 * We represent a valid iterator that refers to an actual
 * name/value pair via a pointer to the pair's lh_entry
 * structure set as the iterator's opaque_ field.
 *
 * We follow json-c's current pair list representation by
 * representing a valid "end" iterator (one that refers past the
 * last pair) with a NULL value in the iterator's opaque_ field.
 *
 * A JSON Object without any pairs in it will have the "head"
 * field of its lh_table structure set to NULL.  For such an
 * object, json_object_iter_begin will return an iterator with
 * the opaque_ field set to NULL, which is equivalent to the
 * "end" iterator.
 *
 * When iterating, we simply update the iterator's opaque_ field
 * to point to the next lh_entry structure in the linked list.
 * opaque_ will become NULL once we iterate past the last pair
 * in the list, which makes the iterator equivalent to the "end"
 * iterator.
 */

/// Our current representation of the "end" iterator;
///
/// @note May not always be NULL
static const void* kObjectEndIterValue = NULL;

/**
 * ****************************************************************************
 */
struct json_object_iterator
json_object_iter_begin(struct json_object* obj)
{
    struct json_object_iterator iter;
    struct lh_table* pTable;

    /// @note json_object_get_object will return NULL if passed NULL
    ///       or a non-json_type_object instance
    pTable = json_object_get_object(obj);
    JASSERT(NULL != pTable);

    /// @note For a pair-less Object, head is NULL, which matches our
    ///       definition of the "end" iterator
    iter.opaque_ = pTable->head;
    return iter;
}

/**
 * ****************************************************************************
 */
struct json_object_iterator
json_object_iter_end(const struct json_object* obj)
{
    struct json_object_iterator iter;

    JASSERT(NULL != obj);
    JASSERT(json_object_is_type(obj, json_type_object));

    iter.opaque_ = kObjectEndIterValue;

    return iter;
}

/**
 * ****************************************************************************
 */
void
json_object_iter_next(struct json_object_iterator* iter)
{
    JASSERT(NULL != iter);
    JASSERT(kObjectEndIterValue != iter->opaque_);

    iter->opaque_ = ((struct lh_entry *)iter->opaque_)->next;
}


/**
 * ****************************************************************************
 */
const char*
json_object_iter_peek_name(const struct json_object_iterator* iter)
{
    JASSERT(NULL != iter);
    JASSERT(kObjectEndIterValue != iter->opaque_);

    return (const char*)(((struct lh_entry *)iter->opaque_)->k);
}


/**
 * ****************************************************************************
 */
struct json_object*
json_object_iter_peek_value(const struct json_object_iterator* iter)
{
    JASSERT(NULL != iter);
    JASSERT(kObjectEndIterValue != iter->opaque_);

    return (struct json_object*)(((struct lh_entry *)iter->opaque_)->v);
}


/**
 * ****************************************************************************
 */
json_bool
json_object_iter_equal(const struct json_object_iterator* iter1,
                       const struct json_object_iterator* iter2)
{
    JASSERT(NULL != iter1);
    JASSERT(NULL != iter2);

    return (iter1->opaque_ == iter2->opaque_);
}


/**
 * ****************************************************************************
 */
struct json_object_iterator
json_object_iter_init_default(void)
{
    struct json_object_iterator iter;

    /**
     * @note Make this a negative, invalid value, such that
     *       accidental access to it would likely be trapped by the
     *       hardware as an invalid address.
     */
    iter.opaque_ = NULL;

    return iter;
}
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/**
*******************************************************************************
* @file json_object_iterator.h
*
* Copyright (c) 2009-2012 Hewlett-Packard Development Company, L.P.
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the MIT license. See COPYING for details.
*
* @brief  json-c forces clients to use its private data
*         structures for JSON Object iteration.  This API
*         corrects that by abstracting the private json-c
*         details.
*
* API attributes: <br>
*   * Thread-safe: NO<br>
*   * Reentrant: NO
*
*******************************************************************************
*/


#ifndef JSON_OBJECT_ITERATOR_H
#define JSON_OBJECT_ITERATOR_H

#include <stddef.h>

#ifdef __cplusplus
extern "C" {
#endif

/**
 * Forward declaration for the opaque iterator information.
 */
struct json_object_iter_info_;

/**
 * The opaque iterator that references a name/value pair within
 * a JSON Object instance or the "end" iterator value.
 */
struct json_object_iterator {
    const void* opaque_;
};


/**
 * forward declaration of json-c's JSON value instance structure
 */
struct json_object;


/**
 * Initializes an iterator structure to a "default" value that
 * is convenient for initializing an iterator variable to a
 * default state (e.g., initialization list in a class'
 * constructor).
 *
 * @code
 * struct json_object_iterator iter = json_object_iter_init_default();
 * MyClass() : iter_(json_object_iter_init_default())
 * @endcode
 *
 * @note The initialized value doesn't reference any specific
 *       pair, is considered an invalid iterator, and MUST NOT
 *       be passed to any json-c API that expects a valid
 *       iterator.
 *
 * @note User and internal code MUST NOT make any assumptions
 *       about and dependencies on the value of the "default"
 *       iterator value.
 *
 * @return json_object_iterator
 */
struct json_object_iterator
json_object_iter_init_default(void);

/** Retrieves an iterator to the first pair of the JSON Object.
 *
 * @warning 	Any modification of the underlying pair invalidates all
 * 		iterators to that pair.
 *
 * @param obj	JSON Object instance (MUST be of type json_object)
 *
 * @return json_object_iterator If the JSON Object has at
 *              least one pair, on return, the iterator refers
 *              to the first pair. If the JSON Object doesn't
 *              have any pairs, the returned iterator is
 *              equivalent to the "end" iterator for the same
 *              JSON Object instance.
 *
 * @code
 * struct json_object_iterator it;
 * struct json_object_iterator itEnd;
 * struct json_object* obj;
 *
 * obj = json_tokener_parse("{'first':'george', 'age':100}");
 * it = json_object_iter_begin(obj);
 * itEnd = json_object_iter_end(obj);
 *
 * while (!json_object_iter_equal(&it, &itEnd)) {
 *     printf("%s\n",
 *            json_object_iter_peek_name(&it));
 *     json_object_iter_next(&it);
 * }
 *
 * @endcode
 */
struct json_object_iterator
json_object_iter_begin(struct json_object* obj);

/** Retrieves the iterator that represents the position beyond the
 *  last pair of the given JSON Object instance.
 *
 *  @warning Do NOT write code that assumes that the "end"
 *        iterator value is NULL, even if it is so in a
 *        particular instance of the implementation.
 *
 *  @note The reason we do not (and MUST NOT) provide
 *        "json_object_iter_is_end(json_object_iterator* iter)"
 *        type of API is because it would limit the underlying
 *        representation of name/value containment (or force us
 *        to add additional, otherwise unnecessary, fields to
 *        the iterator structure). The "end" iterator and the
 *        equality test method, on the other hand, permit us to
 *        cleanly abstract pretty much any reasonable underlying
 *        representation without burdening the iterator
 *        structure with unnecessary data.
 *
 *  @note For performance reasons, memorize the "end" iterator prior
 *        to any loop.
 *
 * @param obj JSON Object instance (MUST be of type json_object)
 *
 * @return json_object_iterator On return, the iterator refers
 *              to the "end" of the Object instance's pairs
 *              (i.e., NOT the last pair, but "beyond the last
 *              pair" value)
 */
struct json_object_iterator
json_object_iter_end(const struct json_object* obj);

/** Returns an iterator to the next pair, if any
 *
 * @warning	Any modification of the underlying pair
 *       	invalidates all iterators to that pair.
 *
 * @param iter [IN/OUT] Pointer to iterator that references a
 *         name/value pair; MUST be a valid, non-end iterator.
 *         WARNING: bad things will happen if invalid or "end"
 *         iterator is passed. Upon return will contain the
 *         reference to the next pair if there is one; if there
 *         are no more pairs, will contain the "end" iterator
 *         value, which may be compared against the return value
 *         of json_object_iter_end() for the same JSON Object
 *         instance.
 */
void
json_object_iter_next(struct json_object_iterator* iter);


/** Returns a const pointer to the name of the pair referenced
 *  by the given iterator.
 *
 * @param iter pointer to iterator that references a name/value
 *             pair; MUST be a valid, non-end iterator.
 *
 * @warning	bad things will happen if an invalid or
 *             	"end" iterator is passed.
 *
 * @return const char* Pointer to the name of the referenced
 *         name/value pair.  The name memory belongs to the
 *         name/value pair, will be freed when the pair is
 *         deleted or modified, and MUST NOT be modified or
 *         freed by the user.
 */
const char*
json_object_iter_peek_name(const struct json_object_iterator* iter);


/** Returns a pointer to the json-c instance representing the
 *  value of the referenced name/value pair, without altering
 *  the instance's reference count.
 *
 * @param iter 	pointer to iterator that references a name/value
 *             	pair; MUST be a valid, non-end iterator.
 *
 * @warning	bad things will happen if invalid or
 *             "end" iterator is passed.
 *
 * @return struct json_object* Pointer to the json-c value
 *         instance of the referenced name/value pair;  the
 *         value's reference count is not changed by this
 *         function: if you plan to hold on to this json-c node,
 *         take a look at json_object_get() and
 *         json_object_put(). IMPORTANT: json-c API represents
 *         the JSON Null value as a NULL json_object instance
 *         pointer.
 */
struct json_object*
json_object_iter_peek_value(const struct json_object_iterator* iter);


/** Tests two iterators for equality.  Typically used to test
 *  for end of iteration by comparing an iterator to the
 *  corresponding "end" iterator (that was derived from the same
 *  JSON Object instance).
 *
 *  @note The reason we do not (and MUST NOT) provide
 *        "json_object_iter_is_end(json_object_iterator* iter)"
 *        type of API is because it would limit the underlying
 *        representation of name/value containment (or force us
 *        to add additional, otherwise unnecessary, fields to
 *        the iterator structure). The equality test method, on
 *        the other hand, permits us to cleanly abstract pretty
 *        much any reasonable underlying representation.
 *
 * @param iter1 Pointer to first valid, non-NULL iterator
 * @param iter2 POinter to second valid, non-NULL iterator
 *
 * @warning	if a NULL iterator pointer or an uninitialized
 *       	or invalid iterator, or iterators derived from
 *       	different JSON Object instances are passed, bad things
 *       	will happen!
 *
 * @return json_bool non-zero if iterators are equal (i.e., both
 *         reference the same name/value pair or are both at
 *         "end"); zero if they are not equal.
 */
json_bool
json_object_iter_equal(const struct json_object_iterator* iter1,
                       const struct json_object_iterator* iter2);


#ifdef __cplusplus
}
#endif


#endif // JSON_OBJECT_ITERATOR_H
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/*
 * $Id: json_object_private.h,v 1.4 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _json_object_private_h_
#define _json_object_private_h_

#ifdef __cplusplus
extern "C" {
#endif

typedef void (json_object_private_delete_fn)(struct json_object *o);

struct json_object
{
  enum json_type o_type;
  json_object_private_delete_fn *_delete;
  json_object_to_json_string_fn *_to_json_string;
  int _ref_count;
  struct printbuf *_pb;
  union data {
    json_bool c_boolean;
    double c_double;
    int64_t c_int64;
    struct lh_table *c_object;
    struct array_list *c_array;
    struct {
        char *str;
        int len;
    } c_string;
  } o;
  json_object_delete_fn *_user_delete;
  void *_userdata;
};

#ifdef __cplusplus
}
#endif

#endif
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/*
 * $Id: json_tokener.c,v 1.20 2006/07/25 03:24:50 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 *
 * Copyright (c) 2008-2009 Yahoo! Inc.  All rights reserved.
 * The copyrights to the contents of this file are licensed under the MIT License
 * (http://www.opensource.org/licenses/mit-license.php)
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>

#include "bits.h"
#include "debug.h"
#include "printbuf.h"
#include "arraylist.h"
#include "json_inttypes.h"
#include "json_object.h"
#include "json_tokener.h"
#include "json_util.h"

#ifdef HAVE_LOCALE_H
#include <locale.h>
#endif /* HAVE_LOCALE_H */

#if !HAVE_STRDUP && defined(_MSC_VER)
  /* MSC has the version as _strdup */
# define strdup _strdup
#elif !HAVE_STRDUP
# error You do not have strdup on your system.
#endif /* HAVE_STRDUP */

#if !HAVE_STRNCASECMP && defined(_MSC_VER)
  /* MSC has the version as _strnicmp */
# define strncasecmp _strnicmp
#elif !HAVE_STRNCASECMP
# error You do not have strncasecmp on your system.
#endif /* HAVE_STRNCASECMP */

static const char* json_null_str = "null";
static const char* json_true_str = "true";
static const char* json_false_str = "false";

// XXX after v0.10 this array will become static:
const char* json_tokener_errors[] = {
  "success",
  "continue",
  "nesting too deep",
  "unexpected end of data",
  "unexpected character",
  "null expected",
  "boolean expected",
  "number expected",
  "array value separator ',' expected",
  "quoted object property name expected",
  "object property name separator ':' expected",
  "object value separator ',' expected",
  "invalid string sequence",
  "expected comment",
};

const char *json_tokener_error_desc(enum json_tokener_error jerr)
{
	int jerr_int = (int)jerr;
	if (jerr_int < 0 || jerr_int > (int)sizeof(json_tokener_errors))
		return "Unknown error, invalid json_tokener_error value passed to json_tokener_error_desc()";
	return json_tokener_errors[jerr];
}

enum json_tokener_error json_tokener_get_error(json_tokener *tok)
{
	return tok->err;
}

/* Stuff for decoding unicode sequences */
#define IS_HIGH_SURROGATE(uc) (((uc) & 0xFC00) == 0xD800)
#define IS_LOW_SURROGATE(uc)  (((uc) & 0xFC00) == 0xDC00)
#define DECODE_SURROGATE_PAIR(hi,lo) ((((hi) & 0x3FF) << 10) + ((lo) & 0x3FF) + 0x10000)
static unsigned char utf8_replacement_char[3] = { 0xEF, 0xBF, 0xBD };

struct json_tokener* json_tokener_new_ex(int depth)
{
  struct json_tokener *tok;

  tok = (struct json_tokener*)calloc(1, sizeof(struct json_tokener));
  if (!tok) return NULL;
  tok->stack = (struct json_tokener_srec *)calloc(depth, sizeof(struct json_tokener_srec));
  if (!tok->stack) {
    free(tok);
    return NULL;
  }
  tok->pb = printbuf_new();
  tok->max_depth = depth;
  json_tokener_reset(tok);
  return tok;
}

struct json_tokener* json_tokener_new(void)
{
  return json_tokener_new_ex(JSON_TOKENER_DEFAULT_DEPTH);
}

void json_tokener_free(struct json_tokener *tok)
{
  json_tokener_reset(tok);
  if (tok->pb) printbuf_free(tok->pb);
  if (tok->stack) free(tok->stack);
  free(tok);
}

static void json_tokener_reset_level(struct json_tokener *tok, int depth)
{
  tok->stack[depth].state = json_tokener_state_eatws;
  tok->stack[depth].saved_state = json_tokener_state_start;
  json_object_put(tok->stack[depth].current);
  tok->stack[depth].current = NULL;
  free(tok->stack[depth].obj_field_name);
  tok->stack[depth].obj_field_name = NULL;
}

void json_tokener_reset(struct json_tokener *tok)
{
  int i;
  if (!tok)
    return;

  for(i = tok->depth; i >= 0; i--)
    json_tokener_reset_level(tok, i);
  tok->depth = 0;
  tok->err = json_tokener_success;
}

struct json_object* json_tokener_parse(const char *str)
{
    enum json_tokener_error jerr_ignored;
    struct json_object* obj;
    obj = json_tokener_parse_verbose(str, &jerr_ignored);
    return obj;
}

struct json_object* json_tokener_parse_verbose(const char *str, enum json_tokener_error *error)
{
    struct json_tokener* tok;
    struct json_object* obj;

    tok = json_tokener_new();
    if (!tok)
      return NULL;
    obj = json_tokener_parse_ex(tok, str, -1);
    *error = tok->err;
    if(tok->err != json_tokener_success) {
		if (obj != NULL)
			json_object_put(obj);
        obj = NULL;
    }

    json_tokener_free(tok);
    return obj;
}


#if !HAVE_STRNDUP
/* CAW: compliant version of strndup() */
char* strndup(const char* str, size_t n)
{
  if(str) {
    size_t len = strlen(str);
    size_t nn = json_min(len,n);
    char* s = (char*)malloc(sizeof(char) * (nn + 1));

    if(s) {
      memcpy(s, str, nn);
      s[nn] = '\0';
    }

    return s;
  }

  return NULL;
}
#endif


#define state  tok->stack[tok->depth].state
#define saved_state  tok->stack[tok->depth].saved_state
#define current tok->stack[tok->depth].current
#define obj_field_name tok->stack[tok->depth].obj_field_name

/* Optimization:
 * json_tokener_parse_ex() consumed a lot of CPU in its main loop,
 * iterating character-by character.  A large performance boost is
 * achieved by using tighter loops to locally handle units such as
 * comments and strings.  Loops that handle an entire token within
 * their scope also gather entire strings and pass them to
 * printbuf_memappend() in a single call, rather than calling
 * printbuf_memappend() one char at a time.
 *
 * PEEK_CHAR() and ADVANCE_CHAR() macros are used for code that is
 * common to both the main loop and the tighter loops.
 */

/* PEEK_CHAR(dest, tok) macro:
 *   Peeks at the current char and stores it in dest.
 *   Returns 1 on success, sets tok->err and returns 0 if no more chars.
 *   Implicit inputs:  str, len vars
 */
#define PEEK_CHAR(dest, tok)                                                  \
  (((tok)->char_offset == len) ?                                          \
   (((tok)->depth == 0 && state == json_tokener_state_eatws && saved_state == json_tokener_state_finish) ? \
    (((tok)->err = json_tokener_success), 0)                              \
    :                                                                   \
    (((tok)->err = json_tokener_continue), 0)                             \
    ) :                                                                 \
   (((dest) = *str), 1)                                                 \
   )

/* ADVANCE_CHAR() macro:
 *   Incrementes str & tok->char_offset.
 *   For convenience of existing conditionals, returns the old value of c (0 on eof)
 *   Implicit inputs:  c var
 */
#define ADVANCE_CHAR(str, tok) \
  ( ++(str), ((tok)->char_offset)++, c)


/* End optimization macro defs */


struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
					  const char *str, int len)
{
  struct json_object *obj = NULL;
  char c = '\1';
#ifdef HAVE_SETLOCALE
  char *oldlocale=NULL, *tmplocale;

  tmplocale = setlocale(LC_NUMERIC, NULL);
  if (tmplocale) oldlocale = strdup(tmplocale);
  setlocale(LC_NUMERIC, "C");
#endif

  tok->char_offset = 0;
  tok->err = json_tokener_success;

  while (PEEK_CHAR(c, tok)) {

  redo_char:
    switch(state) {

    case json_tokener_state_eatws:
      /* Advance until we change state */
      while (isspace((int)c)) {
	if ((!ADVANCE_CHAR(str, tok)) || (!PEEK_CHAR(c, tok)))
	  goto out;
      }
      if(c == '/') {
	printbuf_reset(tok->pb);
	printbuf_memappend_fast(tok->pb, &c, 1);
	state = json_tokener_state_comment_start;
      } else {
	state = saved_state;
	goto redo_char;
      }
      break;

    case json_tokener_state_start:
      switch(c) {
      case '{':
	state = json_tokener_state_eatws;
	saved_state = json_tokener_state_object_field_start;
	current = json_object_new_object();
	break;
      case '[':
	state = json_tokener_state_eatws;
	saved_state = json_tokener_state_array;
	current = json_object_new_array();
	break;
      case 'N':
      case 'n':
	state = json_tokener_state_null;
	printbuf_reset(tok->pb);
	tok->st_pos = 0;
	goto redo_char;
      case '"':
      case '\'':
	state = json_tokener_state_string;
	printbuf_reset(tok->pb);
	tok->quote_char = c;
	break;
      case 'T':
      case 't':
      case 'F':
      case 'f':
	state = json_tokener_state_boolean;
	printbuf_reset(tok->pb);
	tok->st_pos = 0;
	goto redo_char;
#if defined(__GNUC__)
	  case '0' ... '9':
#else
	  case '0':
      case '1':
      case '2':
      case '3':
      case '4':
      case '5':
      case '6':
      case '7':
      case '8':
      case '9':
#endif
      case '-':
	state = json_tokener_state_number;
	printbuf_reset(tok->pb);
	tok->is_double = 0;
	goto redo_char;
      default:
	tok->err = json_tokener_error_parse_unexpected;
	goto out;
      }
      break;

    case json_tokener_state_finish:
      if(tok->depth == 0) goto out;
      obj = json_object_get(current);
      json_tokener_reset_level(tok, tok->depth);
      tok->depth--;
      goto redo_char;

    case json_tokener_state_null:
      printbuf_memappend_fast(tok->pb, &c, 1);
      if(strncasecmp(json_null_str, tok->pb->buf,
		     json_min(tok->st_pos+1, (int)strlen(json_null_str))) == 0) {
	if(tok->st_pos == (int)strlen(json_null_str)) {
	  current = NULL;
	  saved_state = json_tokener_state_finish;
	  state = json_tokener_state_eatws;
	  goto redo_char;
	}
      } else {
	tok->err = json_tokener_error_parse_null;
	goto out;
      }
      tok->st_pos++;
      break;

    case json_tokener_state_comment_start:
      if(c == '*') {
	state = json_tokener_state_comment;
      } else if(c == '/') {
	state = json_tokener_state_comment_eol;
      } else {
	tok->err = json_tokener_error_parse_comment;
	goto out;
      }
      printbuf_memappend_fast(tok->pb, &c, 1);
      break;

    case json_tokener_state_comment:
              {
          /* Advance until we change state */
          const char *case_start = str;
          while(c != '*') {
            if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
              printbuf_memappend_fast(tok->pb, case_start, str-case_start);
              goto out;
            }
          }
          printbuf_memappend_fast(tok->pb, case_start, 1+str-case_start);
          state = json_tokener_state_comment_end;
        }
            break;

    case json_tokener_state_comment_eol:
      {
	/* Advance until we change state */
	const char *case_start = str;
	while(c != '\n') {
	  if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    goto out;
	  }
	}
	printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	MC_DEBUG("json_tokener_comment: %s\n", tok->pb->buf);
	state = json_tokener_state_eatws;
      }
      break;

    case json_tokener_state_comment_end:
      printbuf_memappend_fast(tok->pb, &c, 1);
      if(c == '/') {
	MC_DEBUG("json_tokener_comment: %s\n", tok->pb->buf);
	state = json_tokener_state_eatws;
      } else {
	state = json_tokener_state_comment;
      }
      break;

    case json_tokener_state_string:
      {
	/* Advance until we change state */
	const char *case_start = str;
	while(1) {
	  if(c == tok->quote_char) {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    current = json_object_new_string_len(tok->pb->buf, tok->pb->bpos);
	    saved_state = json_tokener_state_finish;
	    state = json_tokener_state_eatws;
	    break;
	  } else if(c == '\\') {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    saved_state = json_tokener_state_string;
	    state = json_tokener_state_string_escape;
	    break;
	  }
	  if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    goto out;
	  }
	}
      }
      break;

    case json_tokener_state_string_escape:
      switch(c) {
      case '"':
      case '\\':
      case '/':
	printbuf_memappend_fast(tok->pb, &c, 1);
	state = saved_state;
	break;
      case 'b':
      case 'n':
      case 'r':
      case 't':
      case 'f':
	if(c == 'b') printbuf_memappend_fast(tok->pb, "\b", 1);
	else if(c == 'n') printbuf_memappend_fast(tok->pb, "\n", 1);
	else if(c == 'r') printbuf_memappend_fast(tok->pb, "\r", 1);
	else if(c == 't') printbuf_memappend_fast(tok->pb, "\t", 1);
	else if(c == 'f') printbuf_memappend_fast(tok->pb, "\f", 1);
	state = saved_state;
	break;
      case 'u':
	tok->ucs_char = 0;
	tok->st_pos = 0;
	state = json_tokener_state_escape_unicode;
	break;
      default:
	tok->err = json_tokener_error_parse_string;
	goto out;
      }
      break;

    case json_tokener_state_escape_unicode:
	{
          unsigned int got_hi_surrogate = 0;

	  /* Handle a 4-byte sequence, or two sequences if a surrogate pair */
	  while(1) {
	    if(strchr(json_hex_chars, c)) {
	      tok->ucs_char += ((unsigned int)hexdigit(c) << ((3-tok->st_pos++)*4));
	      if(tok->st_pos == 4) {
		unsigned char unescaped_utf[4];

                if (got_hi_surrogate) {
		  if (IS_LOW_SURROGATE(tok->ucs_char)) {
                    /* Recalculate the ucs_char, then fall thru to process normally */
                    tok->ucs_char = DECODE_SURROGATE_PAIR(got_hi_surrogate, tok->ucs_char);
                  } else {
                    /* Hi surrogate was not followed by a low surrogate */
                    /* Replace the hi and process the rest normally */
		    printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
                  }
                  got_hi_surrogate = 0;
                }

		if (tok->ucs_char < 0x80) {
		  unescaped_utf[0] = tok->ucs_char;
		  printbuf_memappend_fast(tok->pb, (char*)unescaped_utf, 1);
		} else if (tok->ucs_char < 0x800) {
		  unescaped_utf[0] = 0xc0 | (tok->ucs_char >> 6);
		  unescaped_utf[1] = 0x80 | (tok->ucs_char & 0x3f);
		  printbuf_memappend_fast(tok->pb, (char*)unescaped_utf, 2);
		} else if (IS_HIGH_SURROGATE(tok->ucs_char)) {
                  /* Got a high surrogate.  Remember it and look for the
                   * the beginning of another sequence, which should be the
                   * low surrogate.
                   */
                  got_hi_surrogate = tok->ucs_char;
                  /* Not at end, and the next two chars should be "\u" */
                  if ((tok->char_offset+1 != len) &&
                      (tok->char_offset+2 != len) &&
                      (str[1] == '\\') &&
                      (str[2] == 'u'))
                  {
                /* Advance through the 16 bit surrogate, and move on to the
                 * next sequence. The next step is to process the following
                 * characters.
                 */
	            if( !ADVANCE_CHAR(str, tok) || !ADVANCE_CHAR(str, tok) ) {
                    printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
                }
                    /* Advance to the first char of the next sequence and
                     * continue processing with the next sequence.
                     */
	            if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
	              printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
	              goto out;
                    }
	            tok->ucs_char = 0;
                    tok->st_pos = 0;
                    continue; /* other json_tokener_state_escape_unicode */
                  } else {
                    /* Got a high surrogate without another sequence following
                     * it.  Put a replacement char in for the hi surrogate
                     * and pretend we finished.
                     */
		    printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
                  }
		} else if (IS_LOW_SURROGATE(tok->ucs_char)) {
                  /* Got a low surrogate not preceded by a high */
		  printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
                } else if (tok->ucs_char < 0x10000) {
		  unescaped_utf[0] = 0xe0 | (tok->ucs_char >> 12);
		  unescaped_utf[1] = 0x80 | ((tok->ucs_char >> 6) & 0x3f);
		  unescaped_utf[2] = 0x80 | (tok->ucs_char & 0x3f);
		  printbuf_memappend_fast(tok->pb, (char*)unescaped_utf, 3);
		} else if (tok->ucs_char < 0x110000) {
		  unescaped_utf[0] = 0xf0 | ((tok->ucs_char >> 18) & 0x07);
		  unescaped_utf[1] = 0x80 | ((tok->ucs_char >> 12) & 0x3f);
		  unescaped_utf[2] = 0x80 | ((tok->ucs_char >> 6) & 0x3f);
		  unescaped_utf[3] = 0x80 | (tok->ucs_char & 0x3f);
		  printbuf_memappend_fast(tok->pb, (char*)unescaped_utf, 4);
		} else {
                  /* Don't know what we got--insert the replacement char */
		  printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
                }
		state = saved_state;
		break;
	      }
	    } else {
	      tok->err = json_tokener_error_parse_string;
	      goto out;
	    }
	  if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
            if (got_hi_surrogate) /* Clean up any pending chars */
	      printbuf_memappend_fast(tok->pb, (char*)utf8_replacement_char, 3);
	    goto out;
	  }
	}
      }
      break;

    case json_tokener_state_boolean:
      printbuf_memappend_fast(tok->pb, &c, 1);
      if(strncasecmp(json_true_str, tok->pb->buf,
		     json_min(tok->st_pos+1, (int)strlen(json_true_str))) == 0) {
	if(tok->st_pos == (int)strlen(json_true_str)) {
	  current = json_object_new_boolean(1);
	  saved_state = json_tokener_state_finish;
	  state = json_tokener_state_eatws;
	  goto redo_char;
	}
      } else if(strncasecmp(json_false_str, tok->pb->buf,
			    json_min(tok->st_pos+1, (int)strlen(json_false_str))) == 0) {
	if(tok->st_pos == (int)strlen(json_false_str)) {
	  current = json_object_new_boolean(0);
	  saved_state = json_tokener_state_finish;
	  state = json_tokener_state_eatws;
	  goto redo_char;
	}
      } else {
	tok->err = json_tokener_error_parse_boolean;
	goto out;
      }
      tok->st_pos++;
      break;

    case json_tokener_state_number:
      {
	/* Advance until we change state */
	const char *case_start = str;
	int case_len=0;
	while(c && strchr(json_number_chars, c)) {
	  ++case_len;
	  if(c == '.' || c == 'e' || c == 'E')
	    tok->is_double = 1;
	  if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
	    printbuf_memappend_fast(tok->pb, case_start, case_len);
	    goto out;
	  }
	}
        if (case_len>0)
          printbuf_memappend_fast(tok->pb, case_start, case_len);
      }
      {
	int64_t num64;
	double  numd;
	if (!tok->is_double && json_parse_int64(tok->pb->buf, &num64) == 0) {
		current = json_object_new_int64(num64);
	} else if(tok->is_double && json_parse_double(tok->pb->buf, &numd) == 0) {
          current = json_object_new_double(numd);
        } else {
          tok->err = json_tokener_error_parse_number;
          goto out;
        }
        saved_state = json_tokener_state_finish;
        state = json_tokener_state_eatws;
        goto redo_char;
      }
      break;

    case json_tokener_state_array_after_sep:
    case json_tokener_state_array:
      if(c == ']') {
		if (state == json_tokener_state_array_after_sep &&
			(tok->flags & JSON_TOKENER_STRICT))
		{
			tok->err = json_tokener_error_parse_unexpected;
			goto out;
		}
	saved_state = json_tokener_state_finish;
	state = json_tokener_state_eatws;
      } else {
	if(tok->depth >= tok->max_depth-1) {
	  tok->err = json_tokener_error_depth;
	  goto out;
	}
	state = json_tokener_state_array_add;
	tok->depth++;
	json_tokener_reset_level(tok, tok->depth);
	goto redo_char;
      }
      break;

    case json_tokener_state_array_add:
      json_object_array_add(current, obj);
      saved_state = json_tokener_state_array_sep;
      state = json_tokener_state_eatws;
      goto redo_char;

    case json_tokener_state_array_sep:
      if(c == ']') {
	saved_state = json_tokener_state_finish;
	state = json_tokener_state_eatws;
      } else if(c == ',') {
	saved_state = json_tokener_state_array_after_sep;
	state = json_tokener_state_eatws;
      } else {
	tok->err = json_tokener_error_parse_array;
	goto out;
      }
      break;

    case json_tokener_state_object_field_start:
    case json_tokener_state_object_field_start_after_sep:
      if(c == '}') {
		if (state == json_tokener_state_object_field_start_after_sep &&
		    (tok->flags & JSON_TOKENER_STRICT))
		{
			tok->err = json_tokener_error_parse_unexpected;
			goto out;
		}
	saved_state = json_tokener_state_finish;
	state = json_tokener_state_eatws;
      } else if (c == '"' || c == '\'') {
	tok->quote_char = c;
	printbuf_reset(tok->pb);
	state = json_tokener_state_object_field;
      } else {
	tok->err = json_tokener_error_parse_object_key_name;
	goto out;
      }
      break;

    case json_tokener_state_object_field:
      {
	/* Advance until we change state */
	const char *case_start = str;
	while(1) {
	  if(c == tok->quote_char) {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    obj_field_name = strdup(tok->pb->buf);
	    saved_state = json_tokener_state_object_field_end;
	    state = json_tokener_state_eatws;
	    break;
	  } else if(c == '\\') {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    saved_state = json_tokener_state_object_field;
	    state = json_tokener_state_string_escape;
	    break;
	  }
	  if (!ADVANCE_CHAR(str, tok) || !PEEK_CHAR(c, tok)) {
	    printbuf_memappend_fast(tok->pb, case_start, str-case_start);
	    goto out;
	  }
	}
      }
      break;

    case json_tokener_state_object_field_end:
      if(c == ':') {
	saved_state = json_tokener_state_object_value;
	state = json_tokener_state_eatws;
      } else {
	tok->err = json_tokener_error_parse_object_key_sep;
	goto out;
      }
      break;

    case json_tokener_state_object_value:
      if(tok->depth >= tok->max_depth-1) {
	tok->err = json_tokener_error_depth;
	goto out;
      }
      state = json_tokener_state_object_value_add;
      tok->depth++;
      json_tokener_reset_level(tok, tok->depth);
      goto redo_char;

    case json_tokener_state_object_value_add:
      json_object_object_add(current, obj_field_name, obj);
      free(obj_field_name);
      obj_field_name = NULL;
      saved_state = json_tokener_state_object_sep;
      state = json_tokener_state_eatws;
      goto redo_char;

    case json_tokener_state_object_sep:
      if(c == '}') {
	saved_state = json_tokener_state_finish;
	state = json_tokener_state_eatws;
      } else if(c == ',') {
	saved_state = json_tokener_state_object_field_start_after_sep;
	state = json_tokener_state_eatws;
      } else {
	tok->err = json_tokener_error_parse_object_value_sep;
	goto out;
      }
      break;

    }
    if (!ADVANCE_CHAR(str, tok))
      goto out;
  } /* while(POP_CHAR) */

 out:
  if (!c) { /* We hit an eof char (0) */
    if(state != json_tokener_state_finish &&
       saved_state != json_tokener_state_finish)
      tok->err = json_tokener_error_parse_eof;
  }

#ifdef HAVE_SETLOCALE
  setlocale(LC_NUMERIC, oldlocale);
  if (oldlocale) free(oldlocale);
#endif

  if (tok->err == json_tokener_success)
  {
    json_object *ret = json_object_get(current);
	int ii;

	/* Partially reset, so we parse additional objects on subsequent calls. */
    for(ii = tok->depth; ii >= 0; ii--)
      json_tokener_reset_level(tok, ii);
    return ret;
  }

  MC_DEBUG("json_tokener_parse_ex: error %s at offset %d\n",
	   json_tokener_errors[tok->err], tok->char_offset);
  return NULL;
}

void json_tokener_set_flags(struct json_tokener *tok, int flags)
{
	tok->flags = flags;
}
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Deleted modules/json/c/json_tokener.h.

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/*
 * $Id: json_tokener.h,v 1.10 2006/07/25 03:24:50 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _json_tokener_h_
#define _json_tokener_h_

#include <stddef.h>
#include "json_object.h"

#ifdef __cplusplus
extern "C" {
#endif

enum json_tokener_error {
  json_tokener_success,
  json_tokener_continue,
  json_tokener_error_depth,
  json_tokener_error_parse_eof,
  json_tokener_error_parse_unexpected,
  json_tokener_error_parse_null,
  json_tokener_error_parse_boolean,
  json_tokener_error_parse_number,
  json_tokener_error_parse_array,
  json_tokener_error_parse_object_key_name,
  json_tokener_error_parse_object_key_sep,
  json_tokener_error_parse_object_value_sep,
  json_tokener_error_parse_string,
  json_tokener_error_parse_comment
};

enum json_tokener_state {
  json_tokener_state_eatws,
  json_tokener_state_start,
  json_tokener_state_finish,
  json_tokener_state_null,
  json_tokener_state_comment_start,
  json_tokener_state_comment,
  json_tokener_state_comment_eol,
  json_tokener_state_comment_end,
  json_tokener_state_string,
  json_tokener_state_string_escape,
  json_tokener_state_escape_unicode,
  json_tokener_state_boolean,
  json_tokener_state_number,
  json_tokener_state_array,
  json_tokener_state_array_add,
  json_tokener_state_array_sep,
  json_tokener_state_object_field_start,
  json_tokener_state_object_field,
  json_tokener_state_object_field_end,
  json_tokener_state_object_value,
  json_tokener_state_object_value_add,
  json_tokener_state_object_sep,
  json_tokener_state_array_after_sep,
  json_tokener_state_object_field_start_after_sep
};

struct json_tokener_srec
{
  enum json_tokener_state state, saved_state;
  struct json_object *obj;
  struct json_object *current;
  char *obj_field_name;
};

#define JSON_TOKENER_DEFAULT_DEPTH 32

struct json_tokener
{
  char *str;
  struct printbuf *pb;
  int max_depth, depth, is_double, st_pos, char_offset;
  enum json_tokener_error err;
  unsigned int ucs_char;
  char quote_char;
  struct json_tokener_srec *stack;
  int flags;
};

/**
 * Be strict when parsing JSON input.  Use caution with
 * this flag as what is considered valid may become more
 * restrictive from one release to the next, causing your
 * code to fail on previously working input.
 *
 * This flag is not set by default.
 *
 * @see json_tokener_set_flags()
 */
#define JSON_TOKENER_STRICT  0x01

/**
 * Given an error previously returned by json_tokener_get_error(),
 * return a human readable description of the error.
 *
 * @return a generic error message is returned if an invalid error value is provided.
 */
const char *json_tokener_error_desc(enum json_tokener_error jerr);

/** 
 * @b XXX do not use json_tokener_errors directly.  
 * After v0.10 this will be removed.
 *
 * See json_tokener_error_desc() instead.
 */
extern const char* json_tokener_errors[];

/**
 * Retrieve the error caused by the last call to json_tokener_parse_ex(),
 * or json_tokener_success if there is no error.
 *
 * When parsing a JSON string in pieces, if the tokener is in the middle
 * of parsing this will return json_tokener_continue.
 *
 * See also json_tokener_error_desc().
 */
enum json_tokener_error json_tokener_get_error(struct json_tokener *tok);

extern struct json_tokener* json_tokener_new(void);
extern struct json_tokener* json_tokener_new_ex(int depth);
extern void json_tokener_free(struct json_tokener *tok);
extern void json_tokener_reset(struct json_tokener *tok);
extern struct json_object* json_tokener_parse(const char *str);
extern struct json_object* json_tokener_parse_verbose(const char *str, enum json_tokener_error *error);

/**
 * Set flags that control how parsing will be done.
 */
extern void json_tokener_set_flags(struct json_tokener *tok, int flags);

/** 
 * Parse a string and return a non-NULL json_object if a valid JSON value
 * is found.  The string does not need to be a JSON object or array;
 * it can also be a string, number or boolean value.
 *
 * A partial JSON string can be parsed.  If the parsing is incomplete,
 * NULL will be returned and json_tokener_get_error() will be return 
 * json_tokener_continue.
 * json_tokener_parse_ex() can then be called with additional bytes in str
 * to continue the parsing.  
 *
 * If json_tokener_parse_ex() returns NULL and the error anything other than
 * json_tokener_continue, a fatal error has occurred and parsing must be
 * halted.  Then tok object must not be re-used until json_tokener_reset() is
 * called.
 *
 * When a valid JSON value is parsed, a non-NULL json_object will be
 * returned.  Also, json_tokener_get_error() will return json_tokener_success.
 * Be sure to check the type with json_object_is_type() or
 * json_object_get_type() before using the object.
 *
 * @b XXX this shouldn't use internal fields:
 * Trailing characters after the parsed value do not automatically cause an 
 * error.  It is up to the caller to decide whether to treat this as an
 * error or to handle the additional characters, perhaps by parsing another
 * json value starting from that point.
 *
 * Extra characters can be detected by comparing the tok->char_offset against
 * the length of the last len parameter passed in.
 *
 * The tokener does \b not maintain an internal buffer so the caller is
 * responsible for calling json_tokener_parse_ex with an appropriate str
 * parameter starting with the extra characters.
 *
 * Example:
 * @code
json_object *jobj = NULL;
const char *mystring = NULL;
int stringlen = 0;
enum json_tokener_error jerr;
do {
	mystring = ...  // get JSON string, e.g. read from file, etc...
	stringlen = strlen(mystring);
	jobj = json_tokener_parse_ex(tok, mystring, stringlen);
} while ((jerr = json_tokener_get_error(tok)) == json_tokener_continue);
if (jerr != json_tokener_success)
{
	fprintf(stderr, "Error: %s\n", json_tokener_error_desc(jerr));
	// Handle errors, as appropriate for your application.
}
if (tok->char_offset < stringlen) // XXX shouldn't access internal fields
{
	// Handle extra characters after parsed object as desired.
	// e.g. issue an error, parse another object from that point, etc...
}
// Success, use jobj here.

@endcode
 *
 * @param tok a json_tokener previously allocated with json_tokener_new()
 * @param str an string with any valid JSON expression, or portion of.  This does not need to be null terminated.
 * @param len the length of str
 */
extern struct json_object* json_tokener_parse_ex(struct json_tokener *tok,
						 const char *str, int len);

#ifdef __cplusplus
}
#endif

#endif
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Deleted modules/json/c/json_util.c.

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/*
 * $Id: json_util.c,v 1.4 2006/01/30 23:07:57 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#include "config.h"
#undef realloc

#include <stdio.h>
#include <stdlib.h>
#include <stddef.h>
#include <limits.h>
#include <string.h>
#include <errno.h>
#include <ctype.h>

#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif /* HAVE_SYS_TYPES_H */

#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif /* HAVE_SYS_STAT_H */

#ifdef HAVE_FCNTL_H
#include <fcntl.h>
#endif /* HAVE_FCNTL_H */

#ifdef HAVE_UNISTD_H
# include <unistd.h>
#endif /* HAVE_UNISTD_H */

#ifdef WIN32
# define WIN32_LEAN_AND_MEAN
# include <windows.h>
# include <io.h>
#endif /* defined(WIN32) */

#if !defined(HAVE_OPEN) && defined(WIN32)
# define open _open
#endif

#if !defined(HAVE_SNPRINTF) && defined(_MSC_VER)
  /* MSC has the version as _snprintf */
# define snprintf _snprintf
#elif !defined(HAVE_SNPRINTF)
# error You do not have snprintf on your system.
#endif /* HAVE_SNPRINTF */

#include "bits.h"
#include "debug.h"
#include "printbuf.h"
#include "json_inttypes.h"
#include "json_object.h"
#include "json_tokener.h"
#include "json_util.h"

static int sscanf_is_broken = 0;
static int sscanf_is_broken_testdone = 0;
static void sscanf_is_broken_test(void);

struct json_object* json_object_from_file(const char *filename)
{
  struct printbuf *pb;
  struct json_object *obj;
  char buf[JSON_FILE_BUF_SIZE];
  int fd, ret;

  if((fd = open(filename, O_RDONLY)) < 0) {
    MC_ERROR("json_object_from_file: error reading file %s: %s\n",
	     filename, strerror(errno));
    return NULL;
  }
  if(!(pb = printbuf_new())) {
    close(fd);
    MC_ERROR("json_object_from_file: printbuf_new failed\n");
    return NULL;
  }
  while((ret = read(fd, buf, JSON_FILE_BUF_SIZE)) > 0) {
    printbuf_memappend(pb, buf, ret);
  }
  close(fd);
  if(ret < 0) {
    MC_ABORT("json_object_from_file: error reading file %s: %s\n",
	     filename, strerror(errno));
    printbuf_free(pb);
    return NULL;
  }
  obj = json_tokener_parse(pb->buf);
  printbuf_free(pb);
  return obj;
}

/* extended "format and write to file" function */

int json_object_to_file_ext(char *filename, struct json_object *obj, int flags)
{
  const char *json_str;
  int fd, ret;
  unsigned int wpos, wsize;

  if(!obj) {
    MC_ERROR("json_object_to_file: object is null\n");
    return -1;
  }

  if((fd = open(filename, O_WRONLY | O_TRUNC | O_CREAT, 0644)) < 0) {
    MC_ERROR("json_object_to_file: error opening file %s: %s\n",
	     filename, strerror(errno));
    return -1;
  }

  if(!(json_str = json_object_to_json_string_ext(obj,flags))) {
    close(fd);
    return -1;
  }

  wsize = (unsigned int)(strlen(json_str) & UINT_MAX); /* CAW: probably unnecessary, but the most 64bit safe */
  wpos = 0;
  while(wpos < wsize) {
    if((ret = write(fd, json_str + wpos, wsize-wpos)) < 0) {
      close(fd);
      MC_ERROR("json_object_to_file: error writing file %s: %s\n",
	     filename, strerror(errno));
      return -1;
    }

	/* because of the above check for ret < 0, we can safely cast and add */
    wpos += (unsigned int)ret;
  }

  close(fd);
  return 0;
}

// backwards compatible "format and write to file" function

int json_object_to_file(char *filename, struct json_object *obj)
{
  return json_object_to_file_ext(filename, obj, JSON_C_TO_STRING_PLAIN);
}

int json_parse_double(const char *buf, double *retval)
{
  return (sscanf(buf, "%lf", retval)==1 ? 0 : 1);
}

/*
 * Not all implementations of sscanf actually work properly.
 * Check whether the one we're currently using does, and if
 * it's broken, enable the workaround code.
 */
static void sscanf_is_broken_test()
{
	int64_t num64;

	(void)sscanf(" -01234567890123456789012345", "%" SCNd64, &num64);
	int ret_errno = errno;
	int is_int64_min = (num64 == INT64_MIN);

	(void)sscanf(" 01234567890123456789012345", "%" SCNd64, &num64);
	int ret_errno2 = errno;
	int is_int64_max = (num64 == INT64_MAX);

	if (ret_errno != ERANGE || !is_int64_min ||
	    ret_errno2 != ERANGE || !is_int64_max)
	{
		MC_DEBUG("sscanf_is_broken_test failed, enabling workaround code\n");
		sscanf_is_broken = 1;
	}
}

int json_parse_int64(const char *buf, int64_t *retval)
{
	int64_t num64;
	const char *buf_sig_digits;
	int orig_has_neg;
	int saved_errno;

	if (!sscanf_is_broken_testdone)
	{
		sscanf_is_broken_test();
		sscanf_is_broken_testdone = 1;
	}

	// Skip leading spaces
	while (isspace((int)*buf) && *buf)
		buf++;

	errno = 0; // sscanf won't always set errno, so initialize
	if (sscanf(buf, "%" SCNd64, &num64) != 1)
	{
		MC_DEBUG("Failed to parse, sscanf != 1\n");
		return 1;
	}

	saved_errno = errno;
	buf_sig_digits = buf;
	orig_has_neg = 0;
	if (*buf_sig_digits == '-')
	{
		buf_sig_digits++;
		orig_has_neg = 1;
	}

	// Not all sscanf implementations actually work
	if (sscanf_is_broken && saved_errno != ERANGE)
	{
		char buf_cmp[100];
		char *buf_cmp_start = buf_cmp;
		int recheck_has_neg = 0;
		int buf_cmp_len;

		// Skip leading zeros, but keep at least one digit
		while (buf_sig_digits[0] == '0' && buf_sig_digits[1] != '\0')
			buf_sig_digits++;
		if (num64 == 0) // assume all sscanf impl's will parse -0 to 0
			orig_has_neg = 0; // "-0" is the same as just plain "0"

		snprintf(buf_cmp_start, sizeof(buf_cmp), "%" PRId64, num64);
		if (*buf_cmp_start == '-')
		{
			recheck_has_neg = 1;
			buf_cmp_start++;
		}
		// No need to skip leading spaces or zeros here.

		buf_cmp_len = strlen(buf_cmp_start);
		/**
		 * If the sign is different, or
		 * some of the digits are different, or
		 * there is another digit present in the original string
		 * then we have NOT successfully parsed the value.
		 */
		if (orig_has_neg != recheck_has_neg ||
		    strncmp(buf_sig_digits, buf_cmp_start, strlen(buf_cmp_start)) != 0 ||
			((int)strlen(buf_sig_digits) != buf_cmp_len &&
			 isdigit((int)buf_sig_digits[buf_cmp_len])
		    )
		   )
		{
			saved_errno = ERANGE;
		}
	}

	// Not all sscanf impl's set the value properly when out of range.
	// Always do this, even for properly functioning implementations,
	// since it shouldn't slow things down much.
	if (saved_errno == ERANGE)
	{
		if (orig_has_neg)
			num64 = INT64_MIN;
		else
			num64 = INT64_MAX;
	}
	*retval = num64;
	return 0;
}

#ifndef HAVE_REALLOC
void* rpl_realloc(void* p, size_t n)
{
	if (n == 0)
		n = 1;
	if (p == 0)
		return malloc(n);
	return realloc(p, n);
}
#endif

#define NELEM(a)        (sizeof(a) / sizeof(a[0]))
static const char* json_type_name[] = {
  /* If you change this, be sure to update the enum json_type definition too */
  "null",
  "boolean",
  "double",
  "int",
  "object",
  "array",
  "string",
};

const char *json_type_to_name(enum json_type o_type)
{
	int o_type_int = (int)o_type;
	if (o_type_int < 0 || o_type_int >= (int)NELEM(json_type_name))
	{
		MC_ERROR("json_type_to_name: type %d is out of range [0,%d]\n", o_type, NELEM(json_type_name));
		return NULL;
	}
	return json_type_name[o_type];
}

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Deleted modules/json/c/json_util.h.

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/*
 * $Id: json_util.h,v 1.4 2006/01/30 23:07:57 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#ifndef _json_util_h_
#define _json_util_h_

#include "json_object.h"

#ifdef __cplusplus
extern "C" {
#endif

#define JSON_FILE_BUF_SIZE 4096

/* utility functions */
extern struct json_object* json_object_from_file(const char *filename);
extern int json_object_to_file(char *filename, struct json_object *obj);
extern int json_object_to_file_ext(char *filename, struct json_object *obj, int flags);
extern int json_parse_int64(const char *buf, int64_t *retval);
extern int json_parse_double(const char *buf, double *retval);


/**
 * Return a string describing the type of the object.
 * e.g. "int", or "object", etc...
 */
extern const char *json_type_to_name(enum json_type o_type);

#ifdef __cplusplus
}
#endif

#endif
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Added modules/json/c/json_y.h.




























































































































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/*
 * Data structures and declarations for yacc/bison based json parser.
 * External to .y file for communication and use within the binding layer.
 */

struct context {
  /*
   * General state.
   */

  Tcl_Interp	*I;         /* Tcl interpreter we are in. */
  int		 result;    /* Tcl result of the parse.
			    **
			     * NOTE: A value of TCL_OK (set when
			     * successfully reducing the main rule)
			     * causes the lexer to return <<EOF>> from
			     * then on, preventing parsing beyond a
			     * single json structure.
			     */

  /*
   * Lexer Input.
   */

  const char	*text;      /* Text to parse */
  int		 remaining; /* Number of characters left to parse. */

  /*
   * Lexer -> Parser communication.
   */

  Tcl_Obj	*obj;       /* Tcl value of the last returned token. */
};

/*
 * Note: The parser function automatically sets the Tcl_Interp (See
 * field "I") result to the parse result, or an error message.
 */

extern void
jsonparse (struct context *);

#if 0
extern int
jsonlex(struct context *);
#endif

extern void
jsonskip(struct context *);

/*
 * Default: Tracing off.
 */
#ifndef JSON_DEBUG
#define JSON_DEBUG 0
#endif

#if JSON_DEBUG
#define TRACE(x) do { printf x ; fflush (stdout); } while (0)
#else
#define TRACE(x)
#endif

Deleted modules/json/c/libjson.c.

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/* dummy source file for compatibility purposes */

#if defined(HAVE_CDEFS_H)
#include <sys/cdefs.h>
#endif

#ifndef __warn_references

#if defined(__GNUC__)  && defined (HAS_GNU_WARNING_LONG)

#define __warn_references(sym,msg)                  \
  __asm__(".section .gnu" #sym ",\n\t.ascii \"" msg "\"\n\t.text");

#else
#define __warn_references(sym,msg)    /* nothing */
#endif

#endif 

#include "json_object.h"

__warn_references(json_object_get, "Warning: please link against libjson-c instead of libjson");

/*        __asm__(".section .gnu.warning." __STRING(sym)  \
            " ; .ascii \"" msg "\" ; .text") */
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Deleted modules/json/c/linkhash.c.

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/*
 * $Id: linkhash.c,v 1.4 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 * Copyright (c) 2009 Hewlett-Packard Development Company, L.P.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */

#include <stdio.h>
#include <string.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stddef.h>
#include <limits.h>

#include "linkhash.h"

void lh_abort(const char *msg, ...)
{
	va_list ap;
	va_start(ap, msg);
	vprintf(msg, ap);
	va_end(ap);
	exit(1);
}

unsigned long lh_ptr_hash(const void *k)
{
	/* CAW: refactored to be 64bit nice */
	return (unsigned long)((((ptrdiff_t)k * LH_PRIME) >> 4) & ULONG_MAX);
}

int lh_ptr_equal(const void *k1, const void *k2)
{
	return (k1 == k2);
}

unsigned long lh_char_hash(const void *k)
{
	unsigned int h = 0;
	const char* data = (const char*)k;
 
	while( *data!=0 ) h = h*129 + (unsigned int)(*data++) + LH_PRIME;

	return h;
}

int lh_char_equal(const void *k1, const void *k2)
{
	return (strcmp((const char*)k1, (const char*)k2) == 0);
}

struct lh_table* lh_table_new(int size, const char *name,
			      lh_entry_free_fn *free_fn,
			      lh_hash_fn *hash_fn,
			      lh_equal_fn *equal_fn)
{
	int i;
	struct lh_table *t;

	t = (struct lh_table*)calloc(1, sizeof(struct lh_table));
	if(!t) lh_abort("lh_table_new: calloc failed\n");
	t->count = 0;
	t->size = size;
	t->name = name;
	t->table = (struct lh_entry*)calloc(size, sizeof(struct lh_entry));
	if(!t->table) lh_abort("lh_table_new: calloc failed\n");
	t->free_fn = free_fn;
	t->hash_fn = hash_fn;
	t->equal_fn = equal_fn;
	for(i = 0; i < size; i++) t->table[i].k = LH_EMPTY;
	return t;
}

struct lh_table* lh_kchar_table_new(int size, const char *name,
				    lh_entry_free_fn *free_fn)
{
	return lh_table_new(size, name, free_fn, lh_char_hash, lh_char_equal);
}

struct lh_table* lh_kptr_table_new(int size, const char *name,
				   lh_entry_free_fn *free_fn)
{
	return lh_table_new(size, name, free_fn, lh_ptr_hash, lh_ptr_equal);
}

void lh_table_resize(struct lh_table *t, int new_size)
{
	struct lh_table *new_t;
	struct lh_entry *ent;

	new_t = lh_table_new(new_size, t->name, NULL, t->hash_fn, t->equal_fn);
	ent = t->head;
	while(ent) {
		lh_table_insert(new_t, ent->k, ent->v);
		ent = ent->next;
	}
	free(t->table);
	t->table = new_t->table;
	t->size = new_size;
	t->head = new_t->head;
	t->tail = new_t->tail;
	t->resizes++;
	free(new_t);
}

void lh_table_free(struct lh_table *t)
{
	struct lh_entry *c;
	for(c = t->head; c != NULL; c = c->next) {
		if(t->free_fn) {
			t->free_fn(c);
		}
	}
	free(t->table);
	free(t);
}


int lh_table_insert(struct lh_table *t, void *k, const void *v)
{
	unsigned long h, n;

	t->inserts++;
	if(t->count >= t->size * LH_LOAD_FACTOR) lh_table_resize(t, t->size * 2);

	h = t->hash_fn(k);
	n = h % t->size;

	while( 1 ) {
		if(t->table[n].k == LH_EMPTY || t->table[n].k == LH_FREED) break;
		t->collisions++;
		if ((int)++n == t->size) n = 0;
	}

	t->table[n].k = k;
	t->table[n].v = v;
	t->count++;

	if(t->head == NULL) {
		t->head = t->tail = &t->table[n];
		t->table[n].next = t->table[n].prev = NULL;
	} else {
		t->tail->next = &t->table[n];
		t->table[n].prev = t->tail;
		t->table[n].next = NULL;
		t->tail = &t->table[n];
	}

	return 0;
}


struct lh_entry* lh_table_lookup_entry(struct lh_table *t, const void *k)
{
	unsigned long h = t->hash_fn(k);
	unsigned long n = h % t->size;
	int count = 0;

	t->lookups++;
	while( count < t->size ) {
		if(t->table[n].k == LH_EMPTY) return NULL;
		if(t->table[n].k != LH_FREED &&
		   t->equal_fn(t->table[n].k, k)) return &t->table[n];
		if ((int)++n == t->size) n = 0;
		count++;
	}
	return NULL;
}


const void* lh_table_lookup(struct lh_table *t, const void *k)
{
	void *result;
	lh_table_lookup_ex(t, k, &result);
	return result;
}

json_bool lh_table_lookup_ex(struct lh_table* t, const void* k, void **v)
{
	struct lh_entry *e = lh_table_lookup_entry(t, k);
	if (e != NULL) {
		if (v != NULL) *v = (void *)e->v;
		return TRUE; /* key found */
	}
	if (v != NULL) *v = NULL;
	return FALSE; /* key not found */
}

int lh_table_delete_entry(struct lh_table *t, struct lh_entry *e)
{
	ptrdiff_t n = (ptrdiff_t)(e - t->table); /* CAW: fixed to be 64bit nice, still need the crazy negative case... */

	/* CAW: this is bad, really bad, maybe stack goes other direction on this machine... */
	if(n < 0) { return -2; }

	if(t->table[n].k == LH_EMPTY || t->table[n].k == LH_FREED) return -1;
	t->count--;
	if(t->free_fn) t->free_fn(e);
	t->table[n].v = NULL;
	t->table[n].k = LH_FREED;
	if(t->tail == &t->table[n] && t->head == &t->table[n]) {
		t->head = t->tail = NULL;
	} else if (t->head == &t->table[n]) {
		t->head->next->prev = NULL;
		t->head = t->head->next;
	} else if (t->tail == &t->table[n]) {
		t->tail->prev->next = NULL;
		t->tail = t->tail->prev;
	} else {
		t->table[n].prev->next = t->table[n].next;
		t->table[n].next->prev = t->table[n].prev;
	}
	t->table[n].next = t->table[n].prev = NULL;
	return 0;
}


int lh_table_delete(struct lh_table *t, const void *k)
{
	struct lh_entry *e = lh_table_lookup_entry(t, k);
	if(!e) return -1;
	return lh_table_delete_entry(t, e);
}

int lh_table_length(struct lh_table *t)
{
	return t->count;
}
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Deleted modules/json/c/linkhash.h.

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/*
 * $Id: linkhash.h,v 1.6 2006/01/30 23:07:57 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 * Copyright (c) 2009 Hewlett-Packard Development Company, L.P.
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 */
 
#ifndef _linkhash_h_
#define _linkhash_h_

#include "json_object.h"

#ifdef __cplusplus
extern "C" {
#endif

/**
 * golden prime used in hash functions
 */
#define LH_PRIME 0x9e370001UL

/**
 * The fraction of filled hash buckets until an insert will cause the table
 * to be resized.  
 * This can range from just above 0 up to 1.0.
 */
#define LH_LOAD_FACTOR 0.66

/**
 * sentinel pointer value for empty slots
 */
#define LH_EMPTY (void*)-1

/**
 * sentinel pointer value for freed slots
 */
#define LH_FREED (void*)-2

struct lh_entry;

/**
 * callback function prototypes
 */
typedef void (lh_entry_free_fn) (struct lh_entry *e);
/**
 * callback function prototypes
 */
typedef unsigned long (lh_hash_fn) (const void *k);
/**
 * callback function prototypes
 */
typedef int (lh_equal_fn) (const void *k1, const void *k2);

/**
 * An entry in the hash table
 */
struct lh_entry {
	/**
	 * The key.
	 */
	void *k;
	/**
	 * The value.
	 */
	const void *v;
	/**
	 * The next entry
	 */
	struct lh_entry *next;
	/**
	 * The previous entry.
	 */
	struct lh_entry *prev;
};


/**
 * The hash table structure.
 */
struct lh_table {
	/**
	 * Size of our hash.
	 */
	int size;
	/**
	 * Numbers of entries.
	 */
	int count;

	/**
	 * Number of collisions.
	 */
	int collisions;

	/**
	 * Number of resizes.
	 */
	int resizes;

	/**
	 * Number of lookups.
	 */
	int lookups;

	/**
	 * Number of inserts.
	 */
	int inserts;

	/**
	 * Number of deletes.
	 */
	int deletes;

	/**
	 * Name of the hash table.
	 */
	const char *name;

	/**
	 * The first entry.
	 */
	struct lh_entry *head;

	/**
	 * The last entry.
	 */
	struct lh_entry *tail;

	struct lh_entry *table;

	/**
	 * A pointer onto the function responsible for freeing an entry.
	 */
	lh_entry_free_fn *free_fn;
	lh_hash_fn *hash_fn;
	lh_equal_fn *equal_fn;
};


/**
 * Pre-defined hash and equality functions
 */
extern unsigned long lh_ptr_hash(const void *k);
extern int lh_ptr_equal(const void *k1, const void *k2);

extern unsigned long lh_char_hash(const void *k);
extern int lh_char_equal(const void *k1, const void *k2);


/**
 * Convenience list iterator.
 */
#define lh_foreach(table, entry) \
for(entry = table->head; entry; entry = entry->next)

/**
 * lh_foreach_safe allows calling of deletion routine while iterating.
 */
#define lh_foreach_safe(table, entry, tmp) \
for(entry = table->head; entry && ((tmp = entry->next) || 1); entry = tmp)



/**
 * Create a new linkhash table.
 * @param size initial table size. The table is automatically resized
 * although this incurs a performance penalty.
 * @param name the table name.
 * @param free_fn callback function used to free memory for entries
 * when lh_table_free or lh_table_delete is called.
 * If NULL is provided, then memory for keys and values
 * must be freed by the caller.
 * @param hash_fn  function used to hash keys. 2 standard ones are defined:
 * lh_ptr_hash and lh_char_hash for hashing pointer values
 * and C strings respectively.
 * @param equal_fn comparison function to compare keys. 2 standard ones defined:
 * lh_ptr_hash and lh_char_hash for comparing pointer values
 * and C strings respectively.
 * @return a pointer onto the linkhash table.
 */
extern struct lh_table* lh_table_new(int size, const char *name,
				     lh_entry_free_fn *free_fn,
				     lh_hash_fn *hash_fn,
				     lh_equal_fn *equal_fn);

/**
 * Convenience function to create a new linkhash
 * table with char keys.
 * @param size initial table size.
 * @param name table name.
 * @param free_fn callback function used to free memory for entries.
 * @return a pointer onto the linkhash table.
 */
extern struct lh_table* lh_kchar_table_new(int size, const char *name,
					   lh_entry_free_fn *free_fn);


/**
 * Convenience function to create a new linkhash
 * table with ptr keys.
 * @param size initial table size.
 * @param name table name.
 * @param free_fn callback function used to free memory for entries.
 * @return a pointer onto the linkhash table.
 */
extern struct lh_table* lh_kptr_table_new(int size, const char *name,
					  lh_entry_free_fn *free_fn);


/**
 * Free a linkhash table.
 * If a callback free function is provided then it is called for all
 * entries in the table.
 * @param t table to free.
 */
extern void lh_table_free(struct lh_table *t);


/**
 * Insert a record into the table.
 * @param t the table to insert into.
 * @param k a pointer to the key to insert.
 * @param v a pointer to the value to insert.
 */
extern int lh_table_insert(struct lh_table *t, void *k, const void *v);


/**
 * Lookup a record into the table.
 * @param t the table to lookup
 * @param k a pointer to the key to lookup
 * @return a pointer to the record structure of the value or NULL if it does not exist.
 */
extern struct lh_entry* lh_table_lookup_entry(struct lh_table *t, const void *k);

/**
 * Lookup a record into the table
 * @param t the table to lookup
 * @param k a pointer to the key to lookup
 * @return a pointer to the found value or NULL if it does not exist.
 * @deprecated Use lh_table_lookup_ex instead.
 */
extern const void* lh_table_lookup(struct lh_table *t, const void *k);

/**
 * Lookup a record in the table
 * @param t the table to lookup
 * @param k a pointer to the key to lookup
 * @param v a pointer to a where to store the found value (set to NULL if it doesn't exist).
 * @return whether or not the key was found
 */
extern json_bool lh_table_lookup_ex(struct lh_table *t, const void *k, void **v);

/**
 * Delete a record from the table.
 * If a callback free function is provided then it is called for the
 * for the item being deleted.
 * @param t the table to delete from.
 * @param e a pointer to the entry to delete.
 * @return 0 if the item was deleted.
 * @return -1 if it was not found.
 */
extern int lh_table_delete_entry(struct lh_table *t, struct lh_entry *e);


/**
 * Delete a record from the table.
 * If a callback free function is provided then it is called for the
 * for the item being deleted.
 * @param t the table to delete from.
 * @param k a pointer to the key to delete.
 * @return 0 if the item was deleted.
 * @return -1 if it was not found.
 */
extern int lh_table_delete(struct lh_table *t, const void *k);

extern int lh_table_length(struct lh_table *t);

void lh_abort(const char *msg, ...);
void lh_table_resize(struct lh_table *t, int new_size);

#ifdef __cplusplus
}
#endif

#endif
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Deleted modules/json/c/printbuf.c.

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/*
 * $Id: printbuf.c,v 1.5 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 *
 * Copyright (c) 2008-2009 Yahoo! Inc.  All rights reserved.
 * The copyrights to the contents of this file are licensed under the MIT License
 * (http://www.opensource.org/licenses/mit-license.php)
 */

#include "config.h"

#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#ifdef HAVE_STDARG_H
# include <stdarg.h>
#else /* !HAVE_STDARG_H */
# error Not enough var arg support!
#endif /* HAVE_STDARG_H */

#include "bits.h"
#include "debug.h"
#include "printbuf.h"

static int printbuf_extend(struct printbuf *p, int min_size);

struct printbuf* printbuf_new(void)
{
  struct printbuf *p;

  p = (struct printbuf*)calloc(1, sizeof(struct printbuf));
  if(!p) return NULL;
  p->size = 32;
  p->bpos = 0;
  if(!(p->buf = (char*)malloc(p->size))) {
    free(p);
    return NULL;
  }
  return p;
}


/**
 * Extend the buffer p so it has a size of at least min_size.
 *
 * If the current size is large enough, nothing is changed.
 *
 * Note: this does not check the available space!  The caller
 *  is responsible for performing those calculations.
 */
static int printbuf_extend(struct printbuf *p, int min_size)
{
	char *t;
	int new_size;

	if (p->size >= min_size)
		return 0;

	new_size = json_max(p->size * 2, min_size + 8);
#ifdef PRINTBUF_DEBUG
	MC_DEBUG("printbuf_memappend: realloc "
	  "bpos=%d min_size=%d old_size=%d new_size=%d\n",
	  p->bpos, min_size, p->size, new_size);
#endif /* PRINTBUF_DEBUG */
	if(!(t = (char*)realloc(p->buf, new_size)))
		return -1;
	p->size = new_size;
	p->buf = t;
	return 0;
}

int printbuf_memappend(struct printbuf *p, const char *buf, int size)
{
  if (p->size <= p->bpos + size + 1) {
    if (printbuf_extend(p, p->bpos + size + 1) < 0)
      return -1;
  }
  memcpy(p->buf + p->bpos, buf, size);
  p->bpos += size;
  p->buf[p->bpos]= '\0';
  return size;
}

int printbuf_memset(struct printbuf *pb, int offset, int charvalue, int len)
{
	int size_needed;

	if (offset == -1)
		offset = pb->bpos;
	size_needed = offset + len;
	if (pb->size < size_needed)
	{
		if (printbuf_extend(pb, size_needed) < 0)
			return -1;
	}

	memset(pb->buf + offset, charvalue, len);
	if (pb->bpos < size_needed)
		pb->bpos = size_needed;

	return 0;
}

#if !defined(HAVE_VSNPRINTF) && defined(_MSC_VER)
# define vsnprintf _vsnprintf
#elif !defined(HAVE_VSNPRINTF) /* !HAVE_VSNPRINTF */
# error Need vsnprintf!
#endif /* !HAVE_VSNPRINTF && defined(WIN32) */

#if !defined(HAVE_VASPRINTF)
/* CAW: compliant version of vasprintf */
static int vasprintf(char **buf, const char *fmt, va_list ap)
{
#ifndef WIN32
	static char _T_emptybuffer = '\0';
#endif /* !defined(WIN32) */
	int chars;
	char *b;

	if(!buf) { return -1; }

#ifdef WIN32
	chars = _vscprintf(fmt, ap)+1;
#else /* !defined(WIN32) */
	/* CAW: RAWR! We have to hope to god here that vsnprintf doesn't overwrite
	   our buffer like on some 64bit sun systems.... but hey, its time to move on */
	chars = vsnprintf(&_T_emptybuffer, 0, fmt, ap)+1;
	if(chars < 0) { chars *= -1; } /* CAW: old glibc versions have this problem */
#endif /* defined(WIN32) */

	b = (char*)malloc(sizeof(char)*chars);
	if(!b) { return -1; }

	if((chars = vsprintf(b, fmt, ap)) < 0)
	{
		free(b);
	} else {
		*buf = b;
	}

	return chars;
}
#endif /* !HAVE_VASPRINTF */

int sprintbuf(struct printbuf *p, const char *msg, ...)
{
  va_list ap;
  char *t;
  int size;
  char buf[128];

  /* user stack buffer first */
  va_start(ap, msg);
  size = vsnprintf(buf, 128, msg, ap);
  va_end(ap);
  /* if string is greater than stack buffer, then use dynamic string
     with vasprintf.  Note: some implementation of vsnprintf return -1
     if output is truncated whereas some return the number of bytes that
     would have been written - this code handles both cases. */
  if(size == -1 || size > 127) {
    va_start(ap, msg);
    if((size = vasprintf(&t, msg, ap)) < 0) { va_end(ap); return -1; }
    va_end(ap);
    printbuf_memappend(p, t, size);
    free(t);
    return size;
  } else {
    printbuf_memappend(p, buf, size);
    return size;
  }
}

void printbuf_reset(struct printbuf *p)
{
  p->buf[0] = '\0';
  p->bpos = 0;
}

void printbuf_free(struct printbuf *p)
{
  if(p) {
    free(p->buf);
    free(p);
  }
}
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/*
 * $Id: printbuf.h,v 1.4 2006/01/26 02:16:28 mclark Exp $
 *
 * Copyright (c) 2004, 2005 Metaparadigm Pte. Ltd.
 * Michael Clark <[email protected]>
 *
 * This library is free software; you can redistribute it and/or modify
 * it under the terms of the MIT license. See COPYING for details.
 *
 *
 * Copyright (c) 2008-2009 Yahoo! Inc.  All rights reserved.
 * The copyrights to the contents of this file are licensed under the MIT License
 * (http://www.opensource.org/licenses/mit-license.php)
 */

#ifndef _printbuf_h_
#define _printbuf_h_

#ifdef __cplusplus
extern "C" {
#endif

struct printbuf {
  char *buf;
  int bpos;
  int size;
};

extern struct printbuf*
printbuf_new(void);

/* As an optimization, printbuf_memappend_fast is defined as a macro
 * that handles copying data if the buffer is large enough; otherwise
 * it invokes printbuf_memappend_real() which performs the heavy
 * lifting of realloc()ing the buffer and copying data.
 * Your code should not use printbuf_memappend directly--use
 * printbuf_memappend_fast instead.
 */
extern int
printbuf_memappend(struct printbuf *p, const char *buf, int size);

#define printbuf_memappend_fast(p, bufptr, bufsize)          \
do {                                                         \
  if ((p->size - p->bpos) > bufsize) {                       \
    memcpy(p->buf + p->bpos, (bufptr), bufsize);             \
    p->bpos += bufsize;                                      \
    p->buf[p->bpos]= '\0';                                   \
  } else {  printbuf_memappend(p, (bufptr), bufsize); }      \
} while (0)

#define printbuf_length(p) ((p)->bpos)

/**
 * Set len bytes of the buffer to charvalue, starting at offset offset.
 * Similar to calling memset(x, charvalue, len);
 *
 * The memory allocated for the buffer is extended as necessary.
 *
 * If offset is -1, this starts at the end of the current data in the buffer.
 */
extern int
printbuf_memset(struct printbuf *pb, int offset, int charvalue, int len);

extern int
sprintbuf(struct printbuf *p, const char *msg, ...);

extern void
printbuf_reset(struct printbuf *p);

extern void
printbuf_free(struct printbuf *p);

#ifdef __cplusplus
}
#endif

#endif
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Changes to modules/json/json_tcl.tcl.

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            "\[" {
                return [parseArray $tokens $nrTokens tokenCursor]
            }
            "\"" {
                # quoted string
                return [unquoteUnescapeString $token]
            }
            "t" {
		# bare word: true (mapped to numeric boolean)
		return 1
	    }
            "f" {
		# bare word: false (mapped to numeric boolean)
		return 0
	    }
            "n" {
                # bare word: null (return as is)
                return $token
            }
            default {
                # number?
                if {[string is double -strict $token]} {
                    return $token
                } else {
                    unexpected $tokenCursor $token "VALUE"
                }
            }
        }
    }
}






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            "\[" {
                return [parseArray $tokens $nrTokens tokenCursor]
            }
            "\"" {
                # quoted string
                return [unquoteUnescapeString $token]
            }
            "t" -



            "f" -



            "n" {
                # bare word: true, false, null (return as is)
                return $token
            }
            default {
                # number?
                if {[string is double -strict $token]} {
                    return $token
                } else {
                    unexpected $tokenCursor $token "VALUE"
                }
            }
        }
    }
}

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# jsonc.tcl --
#
#       Implementation of a JSON parser in C, binding to the json-c library.
#       See c/README-tcllib for notes on origin.
#
# Copyright (c) 2013 - critcl wrapper - Andreas Kupries <[email protected]>
# Copyright (c) 2013 - C binding      - [email protected]

package require critcl
# @sak notprovided jsonc
package provide jsonc 1
package require Tcl 8.4



critcl::cheaders -Ic c/*.h
critcl::csources c/*.c

# # ## ### Import base declarations, forwards ### ## # #

critcl::ccode {
    #include <string.h>
    #include <json.h>

    #define assert(x) if (!(x)) { Tcl_Panic ("failed jsonc assert (" #x ")"); }

    static Tcl_Obj *value2obj      (Tcl_Interp *, struct json_object *);
    static Tcl_Obj *lazy_value2obj (Tcl_Interp *, struct json_object *);

    static Tcl_FreeInternalRepProc jsoncfree;
    static Tcl_DupInternalRepProc  jsoncdup;
    static Tcl_UpdateStringProc    jsonc2string;
}

# # ## ### Tcl_ObjType 'json-c' ### ## # #

# Note: Without a set-from-any function the only way of creating
# Tcl_Obj* with type 'json-c' is through function 'jsonNewObj'. It is
# not possible to generate it from an arbitrary string. It has to be
# done through the 'json2dict' command.

critcl::ccode {
    static Tcl_ObjType json_t = {
	"json-c",      /* name */
	jsoncfree,     /* freeIntRepProc */
	jsoncdup,      /* dupIntRepProc */
	jsonc2string,  /* updateStringProc */
	NULL           /* setFromAnyProc */
    };

    #define tcl2jso(O) (O->internalRep.twoPtrValue.ptr1)

    static void
    jsoncfree(Tcl_Obj *O)
    {
	assert(O->typePtr == &json_t);
	json_object_put(tcl2jso(O));
    }

    static void
    jsoncdup(Tcl_Obj *src, Tcl_Obj *dst)
    {
	assert(src->typePtr == &json_t);
	dst->bytes = src->bytes;
	dst->length = src->length;
	dst->typePtr = &json_t;
	Tcl_IncrRefCount(src);
    }

    static void
    jsonc2string(Tcl_Obj *O)
    {
	json_object	*jso = tcl2jso(O);
	Tcl_Obj     	*copy;

	assert(O->typePtr == &json_t);

	/* The string representation is generated by going through
	 * a helper generated from the json with an appropriate
	 * standard type (string, int, bool, dict, list) and taking
	 * its contents. Note that not only the helper's string rep
	 * is taken, but its internal rep as well, shimmering this
	 * object to the type.
	 *
	 * Q (AK): Why shimmer this way?
	 */

	copy = value2obj(NULL, jso);

	O->typePtr = copy->typePtr;
	O->bytes = Tcl_GetStringFromObj(copy, &O->length);
	memcpy(&O->internalRep, &copy->internalRep, sizeof(O->internalRep));

	json_object_put(jso);

	copy->bytes = NULL;
	copy->length = 0;
	copy->typePtr = NULL;
	Tcl_DecrRefCount(copy);
    }

    static Tcl_Obj *
    jsoncNewObj(struct json_object *jso)
    {
	Tcl_Obj	*result = Tcl_NewObj();

	result->bytes = NULL;
	result->typePtr = &json_t;
	tcl2jso(result) = json_object_get(jso);

	return result;
    }
}

# # ## ### Main Conversion ### ## # #

critcl::ccode {
    static Tcl_Obj *
    lazy_value2obj(Tcl_Interp *I, struct json_object *jso)
    {
	switch (json_object_get_type(jso)) {
	case json_type_object:
	case json_type_array:
	    /* Defer further construction, encapsulate the value into a 'json-c'
	     * representation.
	     */
	    return jsoncNewObj(jso);
        default:
	    return value2obj(I, jso);
	}	
    }

    static Tcl_Obj *
    value2obj(Tcl_Interp *I, struct json_object *jso)
    {
	struct array_list* ar;
	int                len;
	Tcl_Obj*           key;
	Tcl_Obj*           result;
	Tcl_Obj*           value;

	switch (json_object_get_type(jso)) {
	    case json_type_object: {
		/* Using List API here for compat with Tcl 8.4. */
		result = Tcl_NewListObj(0, NULL);

		json_object_object_foreach(jso, k, v) {
		    key   = Tcl_NewStringObj(k, -1);
		    value = lazy_value2obj(I, v);

		    Tcl_ListObjAppendElement(I, result, key);
		    Tcl_ListObjAppendElement(I, result, value);
		    json_object_object_del(jso, k);
		}
		return result;
	    }

	    case json_type_null: {
		return Tcl_NewStringObj("null",-1);
	    }

	    case json_type_boolean: {
		return Tcl_NewBooleanObj(json_object_get_boolean(jso));
	    }

	    case json_type_double: {
		return Tcl_NewDoubleObj(json_object_get_double(jso));
	    }

	    case json_type_int: {
		return Tcl_NewLongObj(json_object_get_int64(jso));
	    }

	    case json_type_array: {
		ar     = json_object_get_array(jso);
		result = Tcl_NewListObj(0, NULL);

		for (len = 0; len < ar->length; len++) {
		    value = lazy_value2obj(I, ar->array[len]);
		    Tcl_ListObjAppendElement(I, result, value);
		}
		return result;
	    }

	    case json_type_string: {
		len = json_object_get_string_len(jso);
		return Tcl_NewStringObj(json_object_get_string(jso), len);
	    }
	}
	return NULL; /* unreachable */
    }
}

namespace eval ::json {
    critcl::ccommand json2dict_critcl {dummy I objc objv} {
	struct json_tokener	*tok;
	enum json_tokener_error	 jerr;
	struct json_object	*parsed;
	const char		*text;
	int       		 len;


	if (objc != 2) {
	    Tcl_WrongNumArgs(I, 1, objv, "json");
	    return TCL_ERROR;
	}

	text   = Tcl_GetStringFromObj(objv[1], &len);
	tok    = json_tokener_new();
	parsed = json_tokener_parse_ex(tok, text, len);

	if (parsed == NULL) {
	    jerr = json_tokener_get_error(tok);
	    Tcl_SetResult(I,
			  (void *)json_tokener_error_desc(jerr),
			  TCL_STATIC);
	    json_tokener_free(tok);
	    return TCL_ERROR;
	}
	json_tokener_free(tok);

	Tcl_SetObjResult(I, value2obj(I, parsed));

	json_object_put(parsed);

	return TCL_OK;
    }

    critcl::ccommand many-json2dict_critcl {dummy I objc objv} {
	struct json_tokener	*tok;
	enum json_tokener_error	 jerr;
	struct json_object	*parsed;
	const char		*text;
	int       		 len;

	int                      max;
	int                      found;

	Tcl_Obj* result = Tcl_NewListObj(0, NULL);

	if ((objc < 2) || (objc > 3)) {
	    Tcl_WrongNumArgs(I, 1, objv, "jsonText ?max?");
................................................................................
		return TCL_ERROR;
	    }

	} else {
	    max = -1;
	}

	text   = Tcl_GetStringFromObj(objv[1], &len);
	tok    = json_tokener_new();
	found  = 0;

	/* Iterate over the input until
	 * - we have gotten all requested values.
	 * - we have run out of input
	 * - we have run into an error
	 */

	while ((max < 0) || max) {
	    parsed = json_tokener_parse_ex(tok, text, len);


	    /* parse error, abort */
	    if (parsed == NULL) {
		jerr = json_tokener_get_error(tok);
		Tcl_SetResult(I,
			      json_tokener_error_desc(jerr),
			      TCL_STATIC);

		json_tokener_free(tok);
		Tcl_DecrRefCount (result);
		return TCL_ERROR;
	    }

	    /* Proper value extracted, extend result */
	    found ++;
	    Tcl_ListObjAppendElement(I, result,
				     value2obj(I, parsed));
	    json_object_put(parsed);

	    /* Count down on the number of still missing
	     * values, if not asking for all (-1)
	     */
	    if (max > 0) max --;

	    /* Abort if we have consumed all input */
	    if (tok->char_offset >= len) break;

	    /* Skip over consumed text for next parse */
	    text += tok->char_offset;
	    len  -= tok->char_offset;
	}



	json_tokener_free(tok);

	/* While all parse were ok we reached end of
	 * input without getting all requested values,
	 * this is an error
	 */
	if (max > 0) {
	    char buf [30];
	    sprintf (buf, "%d", found);

	    Tcl_AppendResult (I, "Bad limit ",
			      Tcl_GetString (objv[2]),
			      " of json entities to extract, found only ",
			      buf,
			      ".",
			      NULL);
	    Tcl_SetErrorCode (I, "JSON", "BAD-LIMIT", "TOO", "LARGE", NULL);
................................................................................
	}

	/* We are good and done */
	Tcl_SetObjResult(I, result);
	return TCL_OK;
    }

    critcl::ccommand validate_critcl {dummy I objc objv} {
	struct json_tokener	*tok;
	enum json_tokener_error	 jerr;
	struct json_object	*parsed;
	const char		*text;
	int       		 len;
	int                      max;
	int                      found;

	if (objc != 2) {
	    Tcl_WrongNumArgs(I, 1, objv, "jsonText");
	    return TCL_ERROR;
	}

	text   = Tcl_GetStringFromObj(objv[1], &len);
	tok    = json_tokener_new();


	/* Iterate over the input until we have run
	 * out of text, or encountered an error


	 */

	while (1) {
	    parsed = json_tokener_parse_ex(tok, text, len);

	    /* parse error, abort, not valid */
	    if (parsed == NULL) {
		json_tokener_free(tok);
		Tcl_SetObjResult(I, Tcl_NewBooleanObj (0));
		return TCL_OK;
	    }
	    json_object_put(parsed);

	    /* Abort if we have consumed all input */
	    if (tok->char_offset >= len) break;

	    /* Skip over consumed text for next parse */
	    text += tok->char_offset;
	    len  -= tok->char_offset;
	}

	json_tokener_free(tok);

	/* We are good and done */
	Tcl_SetObjResult(I, Tcl_NewBooleanObj (1));
	return TCL_OK;
    }
}

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# jsonc.tcl --
#
#       Implementation of a JSON parser in C.
#	Binding to a yacc/bison parser by Mikhail.
#
# Copyright (c) 2013 - critcl wrapper - Andreas Kupries <[email protected]>
# Copyright (c) 2013 - C binding      - [email protected]

package require critcl
# @sak notprovided jsonc
package provide jsonc 1.1
package require Tcl 8.4

#critcl::cheaders -g
#critcl::debug memory symbols
critcl::cheaders -Ic c/*.h
critcl::csources c/*.c

# # ## ### Import base declarations, forwards ### ## # #

critcl::ccode {

    #include <json_y.h>
}


























































































# # ## ### Main Conversion ### ## # #














































































namespace eval ::json {
    critcl::ccommand json2dict_critcl {dummy I objc objv} {





	struct context context = { NULL };

	if (objc != 2) {
	    Tcl_WrongNumArgs(I, 1, objv, "json");
	    return TCL_ERROR;
	}

	context.text   = Tcl_GetStringFromObj(objv[1], &context.remaining);
	context.I      = I;








	context.result = TCL_ERROR;






	jsonparse (&context);
	return context.result;
    }

    critcl::ccommand many-json2dict_critcl {dummy I objc objv} {
	struct context context = { NULL };





	int                      max;
	int                      found;

	Tcl_Obj* result = Tcl_NewListObj(0, NULL);

	if ((objc < 2) || (objc > 3)) {
	    Tcl_WrongNumArgs(I, 1, objv, "jsonText ?max?");
................................................................................
		return TCL_ERROR;
	    }

	} else {
	    max = -1;
	}

	context.text   = Tcl_GetStringFromObj(objv[1], &context.remaining);
	context.I      = I;
	found  = 0;

	/* Iterate over the input until
	 * - we have gotten all requested values.
	 * - we have run out of input
	 * - we have run into an error
	 */

	while ((max < 0) || max) {
	    context.result = TCL_ERROR;
	    jsonparse (&context);

	    /* parse error, abort */

	    if (context.result != TCL_OK) {





		Tcl_DecrRefCount (result);
		return TCL_ERROR;
	    }

	    /* Proper value extracted, extend result */
	    found ++;
	    Tcl_ListObjAppendElement(I, result,
				     Tcl_GetObjResult (I));


	    /* Count down on the number of still missing
	     * values, if not asking for all (-1)
	     */
	    if (max > 0) max --;

	    /* Jump over trailing whitespace for proper end-detection */
	    jsonskip (&context);

	    /* Abort if we have consumed all input */
	    if (!context.remaining) break;


	    /* Clear scratch pad before continuing */
	    context.obj = NULL;
	}


	/* While all parses were ok we reached end of
	 * input without getting all requested values,
	 * this is an error
	 */
	if (max > 0) {
	    char buf [30];
	    sprintf (buf, "%d", found);
            Tcl_ResetResult (I);
	    Tcl_AppendResult (I, "Bad limit ",
			      Tcl_GetString (objv[2]),
			      " of json entities to extract, found only ",
			      buf,
			      ".",
			      NULL);
	    Tcl_SetErrorCode (I, "JSON", "BAD-LIMIT", "TOO", "LARGE", NULL);
................................................................................
	}

	/* We are good and done */
	Tcl_SetObjResult(I, result);
	return TCL_OK;
    }

    if 0 {critcl::ccommand validate_critcl {dummy I objc objv} {
	struct context context = { NULL };







	if (objc != 2) {
	    Tcl_WrongNumArgs(I, 1, objv, "jsonText");
	    return TCL_ERROR;
	}

	context.text   = Tcl_GetStringFromObj(objv[1], &context.remaining);
	context.I      = I;
	context.result = TCL_ERROR;

	/* Iterate over the input until we have run
	 * out of text, or encountered an error. We
	 * use only the lexer here, and told it to not
	* create superfluous token values.
	 */

	while (context.remaining) {



	    if (jsonlex (&context) == -1) {

		Tcl_SetObjResult(I, Tcl_NewBooleanObj (0));
		return TCL_OK;
	    }

	}










	/* We are good and done */
	Tcl_SetObjResult(I, Tcl_NewBooleanObj (1));
	return TCL_OK;
    }}
}

Changes to modules/json/test-data/glossary.result.

1
glossary {title {example glossary} mixlist {{a "" str} -0.09 null {} {member 1}} GlossDiv {title S GlossList {{ID SGML GlossTerm {Standard \" Language} Acronym SGML\\ Abbrev {ISO 8879:1986} GlossDef {A meta-markup language, used ...} GlossSeeAlso {GML XML markup}}}}}
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glossary {title {example glossary} mixlist {{a "" str} -0.09 null {} {member true}} GlossDiv {title S GlossList {{ID SGML GlossTerm {Standard \" Language} Acronym SGML\\ Abbrev {ISO 8879:1986} GlossDef {A meta-markup language, used ...} GlossSeeAlso {GML XML markup}}}}}

Changes to modules/json/test_support.tcl.

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}

foreach f [TestFilesGlob test-data/*.err] {
    set name [file rootname [file tail $f]]
    set ERR($name) [tcltest::viewFile $f]
}




set FAIL(escape1)        {"\%"}
set  ERR(escape1-tcl)    {unexpected token "END" at position 0; expecting VALUE}
set  ERR(escape1-critcl) {invalid string sequence}

set FAIL(escape2)        {"\."}
set  ERR(escape2-tcl)    {unexpected token "END" at position 0; expecting VALUE}
set  ERR(escape2-critcl) {invalid string sequence}



proc resultfor {name} {
    global TCL
    transform $TCL($name) $name
}






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}

foreach f [TestFilesGlob test-data/*.err] {
    set name [file rootname [file tail $f]]
    set ERR($name) [tcltest::viewFile $f]
}

## Tcl has strict escape checking.
## C   uses Tcl_UtfBacklash, and allows lots of irregular escapes.
#
# set FAIL(escape1)        {"\%"}
# set  ERR(escape1-tcl)    {unexpected token "END" at position 0; expecting VALUE}
# set  ERR(escape1-critcl) {syntax error 0 bytes before end, around ``%''}
#
# set FAIL(escape2)        {"\."}
# set  ERR(escape2-tcl)    {unexpected token "END" at position 0; expecting VALUE}
# set  ERR(escape2-critcl) {syntax error 0 bytes before end, around ``.''}



proc resultfor {name} {
    global TCL
    transform $TCL($name) $name
}

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# Umbrella, i.e. Bundle, to put all of the critcl modules which are
# found in Tcllib in one shared library.

package require critcl
package provide tcllibc 0.3.11.1

namespace eval ::tcllib {
    variable tcllibc_rcsid {$Id: tcllibc.tcl,v 1.13 2010/05/25 19:26:17 andreas_kupries Exp $}
    critcl::ccode {
        /* no code required in this file */
    }
}



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# Umbrella, i.e. Bundle, to put all of the critcl modules which are
# found in Tcllib in one shared library.

package require critcl
package provide tcllibc 0.3.12

namespace eval ::tcllib {
    variable tcllibc_rcsid {$Id: tcllibc.tcl,v 1.13 2010/05/25 19:26:17 andreas_kupries Exp $}
    critcl::ccode {
        /* no code required in this file */
    }
}