1/*
2 * Copyright (c) 1999-2013 Apple Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
6 * This file contains Original Code and/or Modifications of Original Code
7 * as defined in and that are subject to the Apple Public Source License
8 * Version 2.0 (the 'License'). You may not use this file except in
9 * compliance with the License. The rights granted to you under the License
10 * may not be used to create, or enable the creation or redistribution of,
11 * unlawful or unlicensed copies of an Apple operating system, or to
12 * circumvent, violate, or enable the circumvention or violation of, any
13 * terms of an Apple operating system software license agreement.
14 *
15 * Please obtain a copy of the License at
16 * http://www.opensource.apple.com/apsl/ and read it before using this file.
17 *
18 * The Original Code and all software distributed under the License are
19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
23 * Please see the License for the specific language governing rights and
24 * limitations under the License.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28
29/*
30 * HISTORY
31 *
32 * OSUnserializeXML.y created by rsulack on Tue Oct 12 1999
33 */
34
35// parser for unserializing OSContainer objects serialized to XML
36//
37// to build :
38//	bison -p OSUnserializeXML OSUnserializeXML.y
39//	head -50 OSUnserializeXML.y > OSUnserializeXML.cpp
40//	sed -e "s/#include <stdio.h>//" < OSUnserializeXML.tab.c >> OSUnserializeXML.cpp
41//
42//	when changing code check in both OSUnserializeXML.y and OSUnserializeXML.cpp
43//
44//
45//
46//
47//
48//		 DO NOT EDIT OSUnserializeXML.cpp!
49//
50//			this means you!
51/* A Bison parser, made by GNU Bison 2.3.  */
52
53/* Skeleton implementation for Bison's Yacc-like parsers in C
54
55   Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006
56   Free Software Foundation, Inc.
57
58   This program is free software; you can redistribute it and/or modify
59   it under the terms of the GNU General Public License as published by
60   the Free Software Foundation; either version 2, or (at your option)
61   any later version.
62
63   This program is distributed in the hope that it will be useful,
64   but WITHOUT ANY WARRANTY; without even the implied warranty of
65   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
66   GNU General Public License for more details.
67
68   You should have received a copy of the GNU General Public License
69   along with this program; if not, write to the Free Software
70   Foundation, Inc., 51 Franklin Street, Fifth Floor,
71   Boston, MA 02110-1301, USA.  */
72
73/* As a special exception, you may create a larger work that contains
74   part or all of the Bison parser skeleton and distribute that work
75   under terms of your choice, so long as that work isn't itself a
76   parser generator using the skeleton or a modified version thereof
77   as a parser skeleton.  Alternatively, if you modify or redistribute
78   the parser skeleton itself, you may (at your option) remove this
79   special exception, which will cause the skeleton and the resulting
80   Bison output files to be licensed under the GNU General Public
81   License without this special exception.
82
83   This special exception was added by the Free Software Foundation in
84   version 2.2 of Bison.  */
85
86/* C LALR(1) parser skeleton written by Richard Stallman, by
87   simplifying the original so-called "semantic" parser.  */
88
89/* All symbols defined below should begin with yy or YY, to avoid
90   infringing on user name space.  This should be done even for local
91   variables, as they might otherwise be expanded by user macros.
92   There are some unavoidable exceptions within include files to
93   define necessary library symbols; they are noted "INFRINGES ON
94   USER NAME SPACE" below.  */
95
96/* Identify Bison output.  */
97#define YYBISON 1
98
99/* Bison version.  */
100#define YYBISON_VERSION "2.3"
101
102/* Skeleton name.  */
103#define YYSKELETON_NAME "yacc.c"
104
105/* Pure parsers.  */
106#define YYPURE 1
107
108/* Using locations.  */
109#define YYLSP_NEEDED 0
110
111/* Substitute the variable and function names.  */
112#define yyparse OSUnserializeXMLparse
113#define yylex   OSUnserializeXMLlex
114#define yyerror OSUnserializeXMLerror
115#define yylval  OSUnserializeXMLlval
116#define yychar  OSUnserializeXMLchar
117#define yydebug OSUnserializeXMLdebug
118#define yynerrs OSUnserializeXMLnerrs
119
120
121/* Tokens.  */
122#ifndef YYTOKENTYPE
123# define YYTOKENTYPE
124   /* Put the tokens into the symbol table, so that GDB and other debuggers
125      know about them.  */
126   enum yytokentype {
127     ARRAY = 258,
128     BOOLEAN = 259,
129     DATA = 260,
130     DICTIONARY = 261,
131     IDREF = 262,
132     KEY = 263,
133     NUMBER = 264,
134     SET = 265,
135     STRING = 266,
136     SYNTAX_ERROR = 267
137   };
138#endif
139/* Tokens.  */
140#define ARRAY 258
141#define BOOLEAN 259
142#define DATA 260
143#define DICTIONARY 261
144#define IDREF 262
145#define KEY 263
146#define NUMBER 264
147#define SET 265
148#define STRING 266
149#define SYNTAX_ERROR 267
150
151
152
153
154/* Copy the first part of user declarations.  */
155#line 61 "OSUnserializeXML.y"
156
157#include <string.h>
158#include <libkern/c++/OSMetaClass.h>
159#include <libkern/c++/OSContainers.h>
160#include <libkern/c++/OSLib.h>
161
162#define MAX_OBJECTS	65535
163
164#define YYSTYPE object_t *
165#define YYPARSE_PARAM	state
166#define YYLEX_PARAM	(parser_state_t *)state
167
168// this is the internal struct used to hold objects on parser stack
169// it represents objects both before and after they have been created
170typedef	struct object {
171	struct object	*next;
172	struct object	*free;
173	struct object	*elements;
174	OSObject	*object;
175	OSSymbol	*key;			// for dictionary
176	int		size;
177	void		*data;			// for data
178	char		*string;		// for string & symbol
179	long long 	number;			// for number
180	int		idref;
181} object_t;
182
183// this code is reentrant, this structure contains all
184// state information for the parsing of a single buffer
185typedef struct parser_state {
186	const char	*parseBuffer;		// start of text to be parsed
187	int		parseBufferIndex;	// current index into text
188	int		lineNumber;		// current line number
189	object_t	*objects;		// internal objects in use
190	object_t	*freeObjects;		// internal objects that are free
191	OSDictionary	*tags;			// used to remember "ID" tags
192	OSString	**errorString;		// parse error with line
193	OSObject	*parsedObject;		// resultant object of parsed text
194	int		parsedObjectCount;
195} parser_state_t;
196
197#define STATE		((parser_state_t *)state)
198
199#undef yyerror
200#define yyerror(s)	OSUnserializeerror(STATE, (s))
201static int		OSUnserializeerror(parser_state_t *state, const char *s);
202
203static int		yylex(YYSTYPE *lvalp, parser_state_t *state);
204
205static object_t 	*newObject(parser_state_t *state);
206static void 		freeObject(parser_state_t *state, object_t *o);
207static void		rememberObject(parser_state_t *state, int tag, OSObject *o);
208static object_t		*retrieveObject(parser_state_t *state, int tag);
209static void		cleanupObjects(parser_state_t *state);
210
211static object_t		*buildDictionary(parser_state_t *state, object_t *o);
212static object_t		*buildArray(parser_state_t *state, object_t *o);
213static object_t		*buildSet(parser_state_t *state, object_t *o);
214static object_t		*buildString(parser_state_t *state, object_t *o);
215static object_t		*buildSymbol(parser_state_t *state, object_t *o);
216static object_t		*buildData(parser_state_t *state, object_t *o);
217static object_t		*buildNumber(parser_state_t *state, object_t *o);
218static object_t		*buildBoolean(parser_state_t *state, object_t *o);
219
220extern "C" {
221extern void		*kern_os_malloc(size_t size);
222extern void		*kern_os_realloc(void * addr, size_t size);
223extern void		kern_os_free(void * addr);
224
225} /* extern "C" */
226
227#define malloc(s) kern_os_malloc(s)
228#define realloc(a, s) kern_os_realloc(a, s)
229#define free(a) kern_os_free((void *)a)
230
231
232
233/* Enabling traces.  */
234#ifndef YYDEBUG
235# define YYDEBUG 0
236#endif
237
238/* Enabling verbose error messages.  */
239#ifdef YYERROR_VERBOSE
240# undef YYERROR_VERBOSE
241# define YYERROR_VERBOSE 1
242#else
243# define YYERROR_VERBOSE 0
244#endif
245
246/* Enabling the token table.  */
247#ifndef YYTOKEN_TABLE
248# define YYTOKEN_TABLE 0
249#endif
250
251#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
252typedef int YYSTYPE;
253# define yystype YYSTYPE /* obsolescent; will be withdrawn */
254# define YYSTYPE_IS_DECLARED 1
255# define YYSTYPE_IS_TRIVIAL 1
256#endif
257
258
259
260/* Copy the second part of user declarations.  */
261
262
263/* Line 216 of yacc.c.  */
264#line 215 "OSUnserializeXML.tab.c"
265
266#ifdef short
267# undef short
268#endif
269
270#ifdef YYTYPE_UINT8
271typedef YYTYPE_UINT8 yytype_uint8;
272#else
273typedef unsigned char yytype_uint8;
274#endif
275
276#ifdef YYTYPE_INT8
277typedef YYTYPE_INT8 yytype_int8;
278#elif (defined __STDC__ || defined __C99__FUNC__ \
279     || defined __cplusplus || defined _MSC_VER)
280typedef signed char yytype_int8;
281#else
282typedef short int yytype_int8;
283#endif
284
285#ifdef YYTYPE_UINT16
286typedef YYTYPE_UINT16 yytype_uint16;
287#else
288typedef unsigned short int yytype_uint16;
289#endif
290
291#ifdef YYTYPE_INT16
292typedef YYTYPE_INT16 yytype_int16;
293#else
294typedef short int yytype_int16;
295#endif
296
297#ifndef YYSIZE_T
298# ifdef __SIZE_TYPE__
299#  define YYSIZE_T __SIZE_TYPE__
300# elif defined size_t
301#  define YYSIZE_T size_t
302# elif ! defined YYSIZE_T && (defined __STDC__ || defined __C99__FUNC__ \
303     || defined __cplusplus || defined _MSC_VER)
304#  include <stddef.h> /* INFRINGES ON USER NAME SPACE */
305#  define YYSIZE_T size_t
306# else
307#  define YYSIZE_T unsigned int
308# endif
309#endif
310
311#define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
312
313#ifndef YY_
314# if defined YYENABLE_NLS && YYENABLE_NLS
315#  if ENABLE_NLS
316#   include <libintl.h> /* INFRINGES ON USER NAME SPACE */
317#   define YY_(msgid) dgettext ("bison-runtime", msgid)
318#  endif
319# endif
320# ifndef YY_
321#  define YY_(msgid) msgid
322# endif
323#endif
324
325/* Suppress unused-variable warnings by "using" E.  */
326#if ! defined lint || defined __GNUC__
327# define YYUSE(e) ((void) (e))
328#else
329# define YYUSE(e) /* empty */
330#endif
331
332/* Identity function, used to suppress warnings about constant conditions.  */
333#ifndef lint
334# define YYID(n) (n)
335#else
336#if (defined __STDC__ || defined __C99__FUNC__ \
337     || defined __cplusplus || defined _MSC_VER)
338static int
339YYID (int i)
340#else
341static int
342YYID (i)
343    int i;
344#endif
345{
346  return i;
347}
348#endif
349
350#if ! defined yyoverflow || YYERROR_VERBOSE
351
352/* The parser invokes alloca or malloc; define the necessary symbols.  */
353
354# ifdef YYSTACK_USE_ALLOCA
355#  if YYSTACK_USE_ALLOCA
356#   ifdef __GNUC__
357#    define YYSTACK_ALLOC __builtin_alloca
358#   elif defined __BUILTIN_VA_ARG_INCR
359#    include <alloca.h> /* INFRINGES ON USER NAME SPACE */
360#   elif defined _AIX
361#    define YYSTACK_ALLOC __alloca
362#   elif defined _MSC_VER
363#    include <malloc.h> /* INFRINGES ON USER NAME SPACE */
364#    define alloca _alloca
365#   else
366#    define YYSTACK_ALLOC alloca
367#    if ! defined _ALLOCA_H && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
368     || defined __cplusplus || defined _MSC_VER)
369#     include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
370#     ifndef _STDLIB_H
371#      define _STDLIB_H 1
372#     endif
373#    endif
374#   endif
375#  endif
376# endif
377
378# ifdef YYSTACK_ALLOC
379   /* Pacify GCC's `empty if-body' warning.  */
380#  define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
381#  ifndef YYSTACK_ALLOC_MAXIMUM
382    /* The OS might guarantee only one guard page at the bottom of the stack,
383       and a page size can be as small as 4096 bytes.  So we cannot safely
384       invoke alloca (N) if N exceeds 4096.  Use a slightly smaller number
385       to allow for a few compiler-allocated temporary stack slots.  */
386#   define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
387#  endif
388# else
389#  define YYSTACK_ALLOC YYMALLOC
390#  define YYSTACK_FREE YYFREE
391#  ifndef YYSTACK_ALLOC_MAXIMUM
392#   define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
393#  endif
394#  if (defined __cplusplus && ! defined _STDLIB_H \
395       && ! ((defined YYMALLOC || defined malloc) \
396	     && (defined YYFREE || defined free)))
397#   include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
398#   ifndef _STDLIB_H
399#    define _STDLIB_H 1
400#   endif
401#  endif
402#  ifndef YYMALLOC
403#   define YYMALLOC malloc
404#   if ! defined malloc && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
405     || defined __cplusplus || defined _MSC_VER)
406void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
407#   endif
408#  endif
409#  ifndef YYFREE
410#   define YYFREE free
411#   if ! defined free && ! defined _STDLIB_H && (defined __STDC__ || defined __C99__FUNC__ \
412     || defined __cplusplus || defined _MSC_VER)
413void free (void *); /* INFRINGES ON USER NAME SPACE */
414#   endif
415#  endif
416# endif
417#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
418
419
420#if (! defined yyoverflow \
421     && (! defined __cplusplus \
422	 || (defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
423
424/* A type that is properly aligned for any stack member.  */
425union yyalloc
426{
427  yytype_int16 yyss;
428  YYSTYPE yyvs;
429  };
430
431/* The size of the maximum gap between one aligned stack and the next.  */
432# define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
433
434/* The size of an array large to enough to hold all stacks, each with
435   N elements.  */
436# define YYSTACK_BYTES(N) \
437     ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
438      + YYSTACK_GAP_MAXIMUM)
439
440/* Copy COUNT objects from FROM to TO.  The source and destination do
441   not overlap.  */
442# ifndef YYCOPY
443#  if defined __GNUC__ && 1 < __GNUC__
444#   define YYCOPY(To, From, Count) \
445      __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
446#  else
447#   define YYCOPY(To, From, Count)		\
448      do					\
449	{					\
450	  YYSIZE_T yyi;				\
451	  for (yyi = 0; yyi < (Count); yyi++)	\
452	    (To)[yyi] = (From)[yyi];		\
453	}					\
454      while (YYID (0))
455#  endif
456# endif
457
458/* Relocate STACK from its old location to the new one.  The
459   local variables YYSIZE and YYSTACKSIZE give the old and new number of
460   elements in the stack, and YYPTR gives the new location of the
461   stack.  Advance YYPTR to a properly aligned location for the next
462   stack.  */
463# define YYSTACK_RELOCATE(Stack)					\
464    do									\
465      {									\
466	YYSIZE_T yynewbytes;						\
467	YYCOPY (&yyptr->Stack, Stack, yysize);				\
468	Stack = &yyptr->Stack;						\
469	yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
470	yyptr += yynewbytes / sizeof (*yyptr);				\
471      }									\
472    while (YYID (0))
473
474#endif
475
476/* YYFINAL -- State number of the termination state.  */
477#define YYFINAL  33
478/* YYLAST -- Last index in YYTABLE.  */
479#define YYLAST   108
480
481/* YYNTOKENS -- Number of terminals.  */
482#define YYNTOKENS  19
483/* YYNNTS -- Number of nonterminals.  */
484#define YYNNTS  15
485/* YYNRULES -- Number of rules.  */
486#define YYNRULES  32
487/* YYNRULES -- Number of states.  */
488#define YYNSTATES  40
489
490/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX.  */
491#define YYUNDEFTOK  2
492#define YYMAXUTOK   267
493
494#define YYTRANSLATE(YYX)						\
495  ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
496
497/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX.  */
498static const yytype_uint8 yytranslate[] =
499{
500       0,     2,     2,     2,     2,     2,     2,     2,     2,     2,
501       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
502       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
503       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
504      15,    16,     2,     2,     2,     2,     2,     2,     2,     2,
505       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
506       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
507       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
508       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
509       2,    17,     2,    18,     2,     2,     2,     2,     2,     2,
510       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
511       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
512       2,     2,     2,    13,     2,    14,     2,     2,     2,     2,
513       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
514       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
515       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
516       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
517       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
518       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
519       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
520       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
521       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
522       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
523       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
524       2,     2,     2,     2,     2,     2,     2,     2,     2,     2,
525       2,     2,     2,     2,     2,     2,     1,     2,     3,     4,
526       5,     6,     7,     8,     9,    10,    11,    12
527};
528
529#if YYDEBUG
530/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
531   YYRHS.  */
532static const yytype_uint8 yyprhs[] =
533{
534       0,     0,     3,     4,     6,     8,    10,    12,    14,    16,
535      18,    20,    22,    24,    27,    31,    33,    35,    38,    41,
536      43,    46,    50,    52,    55,    59,    61,    63,    66,    68,
537      70,    72,    74
538};
539
540/* YYRHS -- A `-1'-separated list of the rules' RHS.  */
541static const yytype_int8 yyrhs[] =
542{
543      20,     0,    -1,    -1,    21,    -1,    12,    -1,    22,    -1,
544      26,    -1,    27,    -1,    33,    -1,    30,    -1,    32,    -1,
545      29,    -1,    31,    -1,    13,    14,    -1,    13,    23,    14,
546      -1,     6,    -1,    24,    -1,    23,    24,    -1,    25,    21,
547      -1,     8,    -1,    15,    16,    -1,    15,    28,    16,    -1,
548       3,    -1,    17,    18,    -1,    17,    28,    18,    -1,    10,
549      -1,    21,    -1,    28,    21,    -1,     4,    -1,     5,    -1,
550       7,    -1,     9,    -1,    11,    -1
551};
552
553/* YYRLINE[YYN] -- source line where rule number YYN was defined.  */
554static const yytype_uint16 yyrline[] =
555{
556       0,   149,   149,   152,   157,   162,   170,   178,   186,   194,
557     202,   210,   218,   237,   240,   243,   246,   247,   262,   271,
558     283,   286,   289,   292,   295,   298,   301,   304,   311,   314,
559     317,   320,   323
560};
561#endif
562
563#if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
564/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
565   First, the terminals, then, starting at YYNTOKENS, nonterminals.  */
566static const char *const yytname[] =
567{
568  "$end", "error", "$undefined", "ARRAY", "BOOLEAN", "DATA", "DICTIONARY",
569  "IDREF", "KEY", "NUMBER", "SET", "STRING", "SYNTAX_ERROR", "'{'", "'}'",
570  "'('", "')'", "'['", "']'", "$accept", "input", "object", "dict",
571  "pairs", "pair", "key", "array", "set", "elements", "boolean", "data",
572  "idref", "number", "string", 0
573};
574#endif
575
576# ifdef YYPRINT
577/* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
578   token YYLEX-NUM.  */
579static const yytype_uint16 yytoknum[] =
580{
581       0,   256,   257,   258,   259,   260,   261,   262,   263,   264,
582     265,   266,   267,   123,   125,    40,    41,    91,    93
583};
584# endif
585
586/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives.  */
587static const yytype_uint8 yyr1[] =
588{
589       0,    19,    20,    20,    20,    21,    21,    21,    21,    21,
590      21,    21,    21,    22,    22,    22,    23,    23,    24,    25,
591      26,    26,    26,    27,    27,    27,    28,    28,    29,    30,
592      31,    32,    33
593};
594
595/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN.  */
596static const yytype_uint8 yyr2[] =
597{
598       0,     2,     0,     1,     1,     1,     1,     1,     1,     1,
599       1,     1,     1,     2,     3,     1,     1,     2,     2,     1,
600       2,     3,     1,     2,     3,     1,     1,     2,     1,     1,
601       1,     1,     1
602};
603
604/* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
605   STATE-NUM when YYTABLE doesn't specify something else to do.  Zero
606   means the default is an error.  */
607static const yytype_uint8 yydefact[] =
608{
609       2,    22,    28,    29,    15,    30,    31,    25,    32,     4,
610       0,     0,     0,     0,     3,     5,     6,     7,    11,     9,
611      12,    10,     8,    19,    13,     0,    16,     0,    20,    26,
612       0,    23,     0,     1,    14,    17,    18,    21,    27,    24
613};
614
615/* YYDEFGOTO[NTERM-NUM].  */
616static const yytype_int8 yydefgoto[] =
617{
618      -1,    13,    29,    15,    25,    26,    27,    16,    17,    30,
619      18,    19,    20,    21,    22
620};
621
622/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
623   STATE-NUM.  */
624#define YYPACT_NINF -20
625static const yytype_int8 yypact[] =
626{
627      46,   -20,   -20,   -20,   -20,   -20,   -20,   -20,   -20,   -20,
628       4,    61,    -2,    10,   -20,   -20,   -20,   -20,   -20,   -20,
629     -20,   -20,   -20,   -20,   -20,     6,   -20,    91,   -20,   -20,
630      76,   -20,    30,   -20,   -20,   -20,   -20,   -20,   -20,   -20
631};
632
633/* YYPGOTO[NTERM-NUM].  */
634static const yytype_int8 yypgoto[] =
635{
636     -20,   -20,     0,   -20,   -20,   -19,   -20,   -20,   -20,     5,
637     -20,   -20,   -20,   -20,   -20
638};
639
640/* YYTABLE[YYPACT[STATE-NUM]].  What to do in state STATE-NUM.  If
641   positive, shift that token.  If negative, reduce the rule which
642   number is the opposite.  If zero, do what YYDEFACT says.
643   If YYTABLE_NINF, syntax error.  */
644#define YYTABLE_NINF -1
645static const yytype_uint8 yytable[] =
646{
647      14,     1,     2,     3,     4,     5,    35,     6,     7,     8,
648      33,    10,    23,    11,    23,    12,    31,    32,    24,     0,
649      34,     0,     0,     0,     0,     0,     0,    36,     0,     0,
650      38,     0,    38,     1,     2,     3,     4,     5,     0,     6,
651       7,     8,     0,    10,     0,    11,     0,    12,    39,     1,
652       2,     3,     4,     5,     0,     6,     7,     8,     9,    10,
653       0,    11,     0,    12,     1,     2,     3,     4,     5,     0,
654       6,     7,     8,     0,    10,     0,    11,    28,    12,     1,
655       2,     3,     4,     5,     0,     6,     7,     8,     0,    10,
656       0,    11,    37,    12,     1,     2,     3,     4,     5,     0,
657       6,     7,     8,     0,    10,     0,    11,     0,    12
658};
659
660static const yytype_int8 yycheck[] =
661{
662       0,     3,     4,     5,     6,     7,    25,     9,    10,    11,
663       0,    13,     8,    15,     8,    17,    18,    12,    14,    -1,
664      14,    -1,    -1,    -1,    -1,    -1,    -1,    27,    -1,    -1,
665      30,    -1,    32,     3,     4,     5,     6,     7,    -1,     9,
666      10,    11,    -1,    13,    -1,    15,    -1,    17,    18,     3,
667       4,     5,     6,     7,    -1,     9,    10,    11,    12,    13,
668      -1,    15,    -1,    17,     3,     4,     5,     6,     7,    -1,
669       9,    10,    11,    -1,    13,    -1,    15,    16,    17,     3,
670       4,     5,     6,     7,    -1,     9,    10,    11,    -1,    13,
671      -1,    15,    16,    17,     3,     4,     5,     6,     7,    -1,
672       9,    10,    11,    -1,    13,    -1,    15,    -1,    17
673};
674
675/* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
676   symbol of state STATE-NUM.  */
677static const yytype_uint8 yystos[] =
678{
679       0,     3,     4,     5,     6,     7,     9,    10,    11,    12,
680      13,    15,    17,    20,    21,    22,    26,    27,    29,    30,
681      31,    32,    33,     8,    14,    23,    24,    25,    16,    21,
682      28,    18,    28,     0,    14,    24,    21,    16,    21,    18
683};
684
685#define yyerrok		(yyerrstatus = 0)
686#define yyclearin	(yychar = YYEMPTY)
687#define YYEMPTY		(-2)
688#define YYEOF		0
689
690#define YYACCEPT	goto yyacceptlab
691#define YYABORT		goto yyabortlab
692#define YYERROR		goto yyerrorlab
693
694
695/* Like YYERROR except do call yyerror.  This remains here temporarily
696   to ease the transition to the new meaning of YYERROR, for GCC.
697   Once GCC version 2 has supplanted version 1, this can go.  */
698
699#define YYFAIL		goto yyerrlab
700
701#define YYRECOVERING()  (!!yyerrstatus)
702
703#define YYBACKUP(Token, Value)					\
704do								\
705  if (yychar == YYEMPTY && yylen == 1)				\
706    {								\
707      yychar = (Token);						\
708      yylval = (Value);						\
709      yytoken = YYTRANSLATE (yychar);				\
710      YYPOPSTACK (1);						\
711      goto yybackup;						\
712    }								\
713  else								\
714    {								\
715      yyerror (YY_("syntax error: cannot back up")); \
716      YYERROR;							\
717    }								\
718while (YYID (0))
719
720
721#define YYTERROR	1
722#define YYERRCODE	256
723
724
725/* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
726   If N is 0, then set CURRENT to the empty location which ends
727   the previous symbol: RHS[0] (always defined).  */
728
729#define YYRHSLOC(Rhs, K) ((Rhs)[K])
730#ifndef YYLLOC_DEFAULT
731# define YYLLOC_DEFAULT(Current, Rhs, N)				\
732    do									\
733      if (YYID (N))                                                    \
734	{								\
735	  (Current).first_line   = YYRHSLOC (Rhs, 1).first_line;	\
736	  (Current).first_column = YYRHSLOC (Rhs, 1).first_column;	\
737	  (Current).last_line    = YYRHSLOC (Rhs, N).last_line;		\
738	  (Current).last_column  = YYRHSLOC (Rhs, N).last_column;	\
739	}								\
740      else								\
741	{								\
742	  (Current).first_line   = (Current).last_line   =		\
743	    YYRHSLOC (Rhs, 0).last_line;				\
744	  (Current).first_column = (Current).last_column =		\
745	    YYRHSLOC (Rhs, 0).last_column;				\
746	}								\
747    while (YYID (0))
748#endif
749
750
751/* YY_LOCATION_PRINT -- Print the location on the stream.
752   This macro was not mandated originally: define only if we know
753   we won't break user code: when these are the locations we know.  */
754
755#ifndef YY_LOCATION_PRINT
756# if defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL
757#  define YY_LOCATION_PRINT(File, Loc)			\
758     fprintf (File, "%d.%d-%d.%d",			\
759	      (Loc).first_line, (Loc).first_column,	\
760	      (Loc).last_line,  (Loc).last_column)
761# else
762#  define YY_LOCATION_PRINT(File, Loc) ((void) 0)
763# endif
764#endif
765
766
767/* YYLEX -- calling `yylex' with the right arguments.  */
768
769#ifdef YYLEX_PARAM
770# define YYLEX yylex (&yylval, YYLEX_PARAM)
771#else
772# define YYLEX yylex (&yylval)
773#endif
774
775/* Enable debugging if requested.  */
776#if YYDEBUG
777
778# ifndef YYFPRINTF
779#  include <stdio.h> /* INFRINGES ON USER NAME SPACE */
780#  define YYFPRINTF fprintf
781# endif
782
783# define YYDPRINTF(Args)			\
784do {						\
785  if (yydebug)					\
786    YYFPRINTF Args;				\
787} while (YYID (0))
788
789# define YY_SYMBOL_PRINT(Title, Type, Value, Location)			  \
790do {									  \
791  if (yydebug)								  \
792    {									  \
793      YYFPRINTF (stderr, "%s ", Title);					  \
794      yy_symbol_print (stderr,						  \
795		  Type, Value); \
796      YYFPRINTF (stderr, "\n");						  \
797    }									  \
798} while (YYID (0))
799
800
801/*--------------------------------.
802| Print this symbol on YYOUTPUT.  |
803`--------------------------------*/
804
805/*ARGSUSED*/
806#if (defined __STDC__ || defined __C99__FUNC__ \
807     || defined __cplusplus || defined _MSC_VER)
808static void
809yy_symbol_value_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
810#else
811static void
812yy_symbol_value_print (yyoutput, yytype, yyvaluep)
813    FILE *yyoutput;
814    int yytype;
815    YYSTYPE const * const yyvaluep;
816#endif
817{
818  if (!yyvaluep)
819    return;
820# ifdef YYPRINT
821  if (yytype < YYNTOKENS)
822    YYPRINT (yyoutput, yytoknum[yytype], *yyvaluep);
823# else
824  YYUSE (yyoutput);
825# endif
826  switch (yytype)
827    {
828      default:
829	break;
830    }
831}
832
833
834/*--------------------------------.
835| Print this symbol on YYOUTPUT.  |
836`--------------------------------*/
837
838#if (defined __STDC__ || defined __C99__FUNC__ \
839     || defined __cplusplus || defined _MSC_VER)
840static void
841yy_symbol_print (FILE *yyoutput, int yytype, YYSTYPE const * const yyvaluep)
842#else
843static void
844yy_symbol_print (yyoutput, yytype, yyvaluep)
845    FILE *yyoutput;
846    int yytype;
847    YYSTYPE const * const yyvaluep;
848#endif
849{
850  if (yytype < YYNTOKENS)
851    YYFPRINTF (yyoutput, "token %s (", yytname[yytype]);
852  else
853    YYFPRINTF (yyoutput, "nterm %s (", yytname[yytype]);
854
855  yy_symbol_value_print (yyoutput, yytype, yyvaluep);
856  YYFPRINTF (yyoutput, ")");
857}
858
859/*------------------------------------------------------------------.
860| yy_stack_print -- Print the state stack from its BOTTOM up to its |
861| TOP (included).                                                   |
862`------------------------------------------------------------------*/
863
864#if (defined __STDC__ || defined __C99__FUNC__ \
865     || defined __cplusplus || defined _MSC_VER)
866static void
867yy_stack_print (yytype_int16 *bottom, yytype_int16 *top)
868#else
869static void
870yy_stack_print (bottom, top)
871    yytype_int16 *bottom;
872    yytype_int16 *top;
873#endif
874{
875  YYFPRINTF (stderr, "Stack now");
876  for (; bottom <= top; ++bottom)
877    YYFPRINTF (stderr, " %d", *bottom);
878  YYFPRINTF (stderr, "\n");
879}
880
881# define YY_STACK_PRINT(Bottom, Top)				\
882do {								\
883  if (yydebug)							\
884    yy_stack_print ((Bottom), (Top));				\
885} while (YYID (0))
886
887
888/*------------------------------------------------.
889| Report that the YYRULE is going to be reduced.  |
890`------------------------------------------------*/
891
892#if (defined __STDC__ || defined __C99__FUNC__ \
893     || defined __cplusplus || defined _MSC_VER)
894static void
895yy_reduce_print (YYSTYPE *yyvsp, int yyrule)
896#else
897static void
898yy_reduce_print (yyvsp, yyrule)
899    YYSTYPE *yyvsp;
900    int yyrule;
901#endif
902{
903  int yynrhs = yyr2[yyrule];
904  int yyi;
905  unsigned long int yylno = yyrline[yyrule];
906  YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
907	     yyrule - 1, yylno);
908  /* The symbols being reduced.  */
909  for (yyi = 0; yyi < yynrhs; yyi++)
910    {
911      fprintf (stderr, "   $%d = ", yyi + 1);
912      yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
913		       &(yyvsp[(yyi + 1) - (yynrhs)])
914		       		       );
915      fprintf (stderr, "\n");
916    }
917}
918
919# define YY_REDUCE_PRINT(Rule)		\
920do {					\
921  if (yydebug)				\
922    yy_reduce_print (yyvsp, Rule); \
923} while (YYID (0))
924
925/* Nonzero means print parse trace.  It is left uninitialized so that
926   multiple parsers can coexist.  */
927int yydebug;
928#else /* !YYDEBUG */
929# define YYDPRINTF(Args)
930# define YY_SYMBOL_PRINT(Title, Type, Value, Location)
931# define YY_STACK_PRINT(Bottom, Top)
932# define YY_REDUCE_PRINT(Rule)
933#endif /* !YYDEBUG */
934
935
936/* YYINITDEPTH -- initial size of the parser's stacks.  */
937#ifndef	YYINITDEPTH
938# define YYINITDEPTH 200
939#endif
940
941/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
942   if the built-in stack extension method is used).
943
944   Do not make this value too large; the results are undefined if
945   YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
946   evaluated with infinite-precision integer arithmetic.  */
947
948#ifndef YYMAXDEPTH
949# define YYMAXDEPTH 10000
950#endif
951
952
953
954#if YYERROR_VERBOSE
955
956# ifndef yystrlen
957#  if defined __GLIBC__ && defined _STRING_H
958#   define yystrlen strlen
959#  else
960/* Return the length of YYSTR.  */
961#if (defined __STDC__ || defined __C99__FUNC__ \
962     || defined __cplusplus || defined _MSC_VER)
963static YYSIZE_T
964yystrlen (const char *yystr)
965#else
966static YYSIZE_T
967yystrlen (yystr)
968    const char *yystr;
969#endif
970{
971  YYSIZE_T yylen;
972  for (yylen = 0; yystr[yylen]; yylen++)
973    continue;
974  return yylen;
975}
976#  endif
977# endif
978
979# ifndef yystpcpy
980#  if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
981#   define yystpcpy stpcpy
982#  else
983/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
984   YYDEST.  */
985#if (defined __STDC__ || defined __C99__FUNC__ \
986     || defined __cplusplus || defined _MSC_VER)
987static char *
988yystpcpy (char *yydest, const char *yysrc)
989#else
990static char *
991yystpcpy (yydest, yysrc)
992    char *yydest;
993    const char *yysrc;
994#endif
995{
996  char *yyd = yydest;
997  const char *yys = yysrc;
998
999  while ((*yyd++ = *yys++) != '\0')
1000    continue;
1001
1002  return yyd - 1;
1003}
1004#  endif
1005# endif
1006
1007# ifndef yytnamerr
1008/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
1009   quotes and backslashes, so that it's suitable for yyerror.  The
1010   heuristic is that double-quoting is unnecessary unless the string
1011   contains an apostrophe, a comma, or backslash (other than
1012   backslash-backslash).  YYSTR is taken from yytname.  If YYRES is
1013   null, do not copy; instead, return the length of what the result
1014   would have been.  */
1015static YYSIZE_T
1016yytnamerr (char *yyres, const char *yystr)
1017{
1018  if (*yystr == '"')
1019    {
1020      YYSIZE_T yyn = 0;
1021      char const *yyp = yystr;
1022
1023      for (;;)
1024	switch (*++yyp)
1025	  {
1026	  case '\'':
1027	  case ',':
1028	    goto do_not_strip_quotes;
1029
1030	  case '\\':
1031	    if (*++yyp != '\\')
1032	      goto do_not_strip_quotes;
1033	    /* Fall through.  */
1034	  default:
1035	    if (yyres)
1036	      yyres[yyn] = *yyp;
1037	    yyn++;
1038	    break;
1039
1040	  case '"':
1041	    if (yyres)
1042	      yyres[yyn] = '\0';
1043	    return yyn;
1044	  }
1045    do_not_strip_quotes: ;
1046    }
1047
1048  if (! yyres)
1049    return yystrlen (yystr);
1050
1051  return yystpcpy (yyres, yystr) - yyres;
1052}
1053# endif
1054
1055/* Copy into YYRESULT an error message about the unexpected token
1056   YYCHAR while in state YYSTATE.  Return the number of bytes copied,
1057   including the terminating null byte.  If YYRESULT is null, do not
1058   copy anything; just return the number of bytes that would be
1059   copied.  As a special case, return 0 if an ordinary "syntax error"
1060   message will do.  Return YYSIZE_MAXIMUM if overflow occurs during
1061   size calculation.  */
1062static YYSIZE_T
1063yysyntax_error (char *yyresult, int yystate, int yychar)
1064{
1065  int yyn = yypact[yystate];
1066
1067  if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
1068    return 0;
1069  else
1070    {
1071      int yytype = YYTRANSLATE (yychar);
1072      YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
1073      YYSIZE_T yysize = yysize0;
1074      YYSIZE_T yysize1;
1075      int yysize_overflow = 0;
1076      enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
1077      char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
1078      int yyx;
1079
1080# if 0
1081      /* This is so xgettext sees the translatable formats that are
1082	 constructed on the fly.  */
1083      YY_("syntax error, unexpected %s");
1084      YY_("syntax error, unexpected %s, expecting %s");
1085      YY_("syntax error, unexpected %s, expecting %s or %s");
1086      YY_("syntax error, unexpected %s, expecting %s or %s or %s");
1087      YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
1088# endif
1089      char *yyfmt;
1090      char const *yyf;
1091      static char const yyunexpected[] = "syntax error, unexpected %s";
1092      static char const yyexpecting[] = ", expecting %s";
1093      static char const yyor[] = " or %s";
1094      char yyformat[sizeof yyunexpected
1095		    + sizeof yyexpecting - 1
1096		    + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
1097		       * (sizeof yyor - 1))];
1098      char const *yyprefix = yyexpecting;
1099
1100      /* Start YYX at -YYN if negative to avoid negative indexes in
1101	 YYCHECK.  */
1102      int yyxbegin = yyn < 0 ? -yyn : 0;
1103
1104      /* Stay within bounds of both yycheck and yytname.  */
1105      int yychecklim = YYLAST - yyn + 1;
1106      int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
1107      int yycount = 1;
1108
1109      yyarg[0] = yytname[yytype];
1110      yyfmt = yystpcpy (yyformat, yyunexpected);
1111
1112      for (yyx = yyxbegin; yyx < yyxend; ++yyx)
1113	if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
1114	  {
1115	    if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
1116	      {
1117		yycount = 1;
1118		yysize = yysize0;
1119		yyformat[sizeof yyunexpected - 1] = '\0';
1120		break;
1121	      }
1122	    yyarg[yycount++] = yytname[yyx];
1123	    yysize1 = yysize + yytnamerr (0, yytname[yyx]);
1124	    yysize_overflow |= (yysize1 < yysize);
1125	    yysize = yysize1;
1126	    yyfmt = yystpcpy (yyfmt, yyprefix);
1127	    yyprefix = yyor;
1128	  }
1129
1130      yyf = YY_(yyformat);
1131      yysize1 = yysize + yystrlen (yyf);
1132      yysize_overflow |= (yysize1 < yysize);
1133      yysize = yysize1;
1134
1135      if (yysize_overflow)
1136	return YYSIZE_MAXIMUM;
1137
1138      if (yyresult)
1139	{
1140	  /* Avoid sprintf, as that infringes on the user's name space.
1141	     Don't have undefined behavior even if the translation
1142	     produced a string with the wrong number of "%s"s.  */
1143	  char *yyp = yyresult;
1144	  int yyi = 0;
1145	  while ((*yyp = *yyf) != '\0')
1146	    {
1147	      if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
1148		{
1149		  yyp += yytnamerr (yyp, yyarg[yyi++]);
1150		  yyf += 2;
1151		}
1152	      else
1153		{
1154		  yyp++;
1155		  yyf++;
1156		}
1157	    }
1158	}
1159      return yysize;
1160    }
1161}
1162#endif /* YYERROR_VERBOSE */
1163
1164
1165/*-----------------------------------------------.
1166| Release the memory associated to this symbol.  |
1167`-----------------------------------------------*/
1168
1169/*ARGSUSED*/
1170#if (defined __STDC__ || defined __C99__FUNC__ \
1171     || defined __cplusplus || defined _MSC_VER)
1172static void
1173yydestruct (const char *yymsg, int yytype, YYSTYPE *yyvaluep)
1174#else
1175static void
1176yydestruct (yymsg, yytype, yyvaluep)
1177    const char *yymsg;
1178    int yytype;
1179    YYSTYPE *yyvaluep;
1180#endif
1181{
1182  YYUSE (yyvaluep);
1183
1184  if (!yymsg)
1185    yymsg = "Deleting";
1186  YY_SYMBOL_PRINT (yymsg, yytype, yyvaluep, yylocationp);
1187
1188  switch (yytype)
1189    {
1190
1191      default:
1192	break;
1193    }
1194}
1195
1196
1197/* Prevent warnings from -Wmissing-prototypes.  */
1198
1199#ifdef YYPARSE_PARAM
1200#if defined __STDC__ || defined __cplusplus
1201int yyparse (void *YYPARSE_PARAM);
1202#else
1203int yyparse ();
1204#endif
1205#else /* ! YYPARSE_PARAM */
1206#if defined __STDC__ || defined __cplusplus
1207int yyparse (void);
1208#else
1209int yyparse ();
1210#endif
1211#endif /* ! YYPARSE_PARAM */
1212
1213
1214
1215
1216
1217
1218/*----------.
1219| yyparse.  |
1220`----------*/
1221
1222#ifdef YYPARSE_PARAM
1223#if (defined __STDC__ || defined __C99__FUNC__ \
1224     || defined __cplusplus || defined _MSC_VER)
1225int
1226yyparse (void *YYPARSE_PARAM)
1227#else
1228int
1229yyparse (YYPARSE_PARAM)
1230    void *YYPARSE_PARAM;
1231#endif
1232#else /* ! YYPARSE_PARAM */
1233#if (defined __STDC__ || defined __C99__FUNC__ \
1234     || defined __cplusplus || defined _MSC_VER)
1235int
1236yyparse (void)
1237#else
1238int
1239yyparse ()
1240
1241#endif
1242#endif
1243{
1244  /* The look-ahead symbol.  */
1245int yychar;
1246
1247/* The semantic value of the look-ahead symbol.  */
1248YYSTYPE yylval;
1249
1250/* Number of syntax errors so far.  */
1251int yynerrs;
1252
1253  int yystate;
1254  int yyn;
1255  int yyresult;
1256  /* Number of tokens to shift before error messages enabled.  */
1257  int yyerrstatus;
1258  /* Look-ahead token as an internal (translated) token number.  */
1259  int yytoken = 0;
1260#if YYERROR_VERBOSE
1261  /* Buffer for error messages, and its allocated size.  */
1262  char yymsgbuf[128];
1263  char *yymsg = yymsgbuf;
1264  YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1265#endif
1266
1267  /* Three stacks and their tools:
1268     `yyss': related to states,
1269     `yyvs': related to semantic values,
1270     `yyls': related to locations.
1271
1272     Refer to the stacks thru separate pointers, to allow yyoverflow
1273     to reallocate them elsewhere.  */
1274
1275  /* The state stack.  */
1276  yytype_int16 yyssa[YYINITDEPTH];
1277  yytype_int16 *yyss = yyssa;
1278  yytype_int16 *yyssp;
1279
1280  /* The semantic value stack.  */
1281  YYSTYPE yyvsa[YYINITDEPTH];
1282  YYSTYPE *yyvs = yyvsa;
1283  YYSTYPE *yyvsp;
1284
1285
1286
1287#define YYPOPSTACK(N)   (yyvsp -= (N), yyssp -= (N))
1288
1289  YYSIZE_T yystacksize = YYINITDEPTH;
1290
1291  /* The variables used to return semantic value and location from the
1292     action routines.  */
1293  YYSTYPE yyval;
1294
1295
1296  /* The number of symbols on the RHS of the reduced rule.
1297     Keep to zero when no symbol should be popped.  */
1298  int yylen = 0;
1299
1300  YYDPRINTF ((stderr, "Starting parse\n"));
1301
1302  yystate = 0;
1303  yyerrstatus = 0;
1304  yynerrs = 0;
1305  yychar = YYEMPTY;		/* Cause a token to be read.  */
1306
1307  /* Initialize stack pointers.
1308     Waste one element of value and location stack
1309     so that they stay on the same level as the state stack.
1310     The wasted elements are never initialized.  */
1311
1312  yyssp = yyss;
1313  yyvsp = yyvs;
1314
1315  goto yysetstate;
1316
1317/*------------------------------------------------------------.
1318| yynewstate -- Push a new state, which is found in yystate.  |
1319`------------------------------------------------------------*/
1320 yynewstate:
1321  /* In all cases, when you get here, the value and location stacks
1322     have just been pushed.  So pushing a state here evens the stacks.  */
1323  yyssp++;
1324
1325 yysetstate:
1326  *yyssp = yystate;
1327
1328  if (yyss + yystacksize - 1 <= yyssp)
1329    {
1330      /* Get the current used size of the three stacks, in elements.  */
1331      YYSIZE_T yysize = yyssp - yyss + 1;
1332
1333#ifdef yyoverflow
1334      {
1335	/* Give user a chance to reallocate the stack.  Use copies of
1336	   these so that the &'s don't force the real ones into
1337	   memory.  */
1338	YYSTYPE *yyvs1 = yyvs;
1339	yytype_int16 *yyss1 = yyss;
1340
1341
1342	/* Each stack pointer address is followed by the size of the
1343	   data in use in that stack, in bytes.  This used to be a
1344	   conditional around just the two extra args, but that might
1345	   be undefined if yyoverflow is a macro.  */
1346	yyoverflow (YY_("memory exhausted"),
1347		    &yyss1, yysize * sizeof (*yyssp),
1348		    &yyvs1, yysize * sizeof (*yyvsp),
1349
1350		    &yystacksize);
1351
1352	yyss = yyss1;
1353	yyvs = yyvs1;
1354      }
1355#else /* no yyoverflow */
1356# ifndef YYSTACK_RELOCATE
1357      goto yyexhaustedlab;
1358# else
1359      /* Extend the stack our own way.  */
1360      if (YYMAXDEPTH <= yystacksize)
1361	goto yyexhaustedlab;
1362      yystacksize *= 2;
1363      if (YYMAXDEPTH < yystacksize)
1364	yystacksize = YYMAXDEPTH;
1365
1366      {
1367	yytype_int16 *yyss1 = yyss;
1368	union yyalloc *yyptr =
1369	  (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1370	if (! yyptr)
1371	  goto yyexhaustedlab;
1372	YYSTACK_RELOCATE (yyss);
1373	YYSTACK_RELOCATE (yyvs);
1374
1375#  undef YYSTACK_RELOCATE
1376	if (yyss1 != yyssa)
1377	  YYSTACK_FREE (yyss1);
1378      }
1379# endif
1380#endif /* no yyoverflow */
1381
1382      yyssp = yyss + yysize - 1;
1383      yyvsp = yyvs + yysize - 1;
1384
1385
1386      YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1387		  (unsigned long int) yystacksize));
1388
1389      if (yyss + yystacksize - 1 <= yyssp)
1390	YYABORT;
1391    }
1392
1393  YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1394
1395  goto yybackup;
1396
1397/*-----------.
1398| yybackup.  |
1399`-----------*/
1400yybackup:
1401
1402  /* Do appropriate processing given the current state.  Read a
1403     look-ahead token if we need one and don't already have one.  */
1404
1405  /* First try to decide what to do without reference to look-ahead token.  */
1406  yyn = yypact[yystate];
1407  if (yyn == YYPACT_NINF)
1408    goto yydefault;
1409
1410  /* Not known => get a look-ahead token if don't already have one.  */
1411
1412  /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol.  */
1413  if (yychar == YYEMPTY)
1414    {
1415      YYDPRINTF ((stderr, "Reading a token: "));
1416      yychar = YYLEX;
1417    }
1418
1419  if (yychar <= YYEOF)
1420    {
1421      yychar = yytoken = YYEOF;
1422      YYDPRINTF ((stderr, "Now at end of input.\n"));
1423    }
1424  else
1425    {
1426      yytoken = YYTRANSLATE (yychar);
1427      YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1428    }
1429
1430  /* If the proper action on seeing token YYTOKEN is to reduce or to
1431     detect an error, take that action.  */
1432  yyn += yytoken;
1433  if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1434    goto yydefault;
1435  yyn = yytable[yyn];
1436  if (yyn <= 0)
1437    {
1438      if (yyn == 0 || yyn == YYTABLE_NINF)
1439	goto yyerrlab;
1440      yyn = -yyn;
1441      goto yyreduce;
1442    }
1443
1444  if (yyn == YYFINAL)
1445    YYACCEPT;
1446
1447  /* Count tokens shifted since error; after three, turn off error
1448     status.  */
1449  if (yyerrstatus)
1450    yyerrstatus--;
1451
1452  /* Shift the look-ahead token.  */
1453  YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1454
1455  /* Discard the shifted token unless it is eof.  */
1456  if (yychar != YYEOF)
1457    yychar = YYEMPTY;
1458
1459  yystate = yyn;
1460  *++yyvsp = yylval;
1461
1462  goto yynewstate;
1463
1464
1465/*-----------------------------------------------------------.
1466| yydefault -- do the default action for the current state.  |
1467`-----------------------------------------------------------*/
1468yydefault:
1469  yyn = yydefact[yystate];
1470  if (yyn == 0)
1471    goto yyerrlab;
1472  goto yyreduce;
1473
1474
1475/*-----------------------------.
1476| yyreduce -- Do a reduction.  |
1477`-----------------------------*/
1478yyreduce:
1479  /* yyn is the number of a rule to reduce with.  */
1480  yylen = yyr2[yyn];
1481
1482  /* If YYLEN is nonzero, implement the default value of the action:
1483     `$$ = $1'.
1484
1485     Otherwise, the following line sets YYVAL to garbage.
1486     This behavior is undocumented and Bison
1487     users should not rely upon it.  Assigning to YYVAL
1488     unconditionally makes the parser a bit smaller, and it avoids a
1489     GCC warning that YYVAL may be used uninitialized.  */
1490  yyval = yyvsp[1-yylen];
1491
1492
1493  YY_REDUCE_PRINT (yyn);
1494  switch (yyn)
1495    {
1496        case 2:
1497#line 149 "OSUnserializeXML.y"
1498    { yyerror("unexpected end of buffer");
1499				  YYERROR;
1500				;}
1501    break;
1502
1503  case 3:
1504#line 152 "OSUnserializeXML.y"
1505    { STATE->parsedObject = (yyvsp[(1) - (1)])->object;
1506				  (yyvsp[(1) - (1)])->object = 0;
1507				  freeObject(STATE, (yyvsp[(1) - (1)]));
1508				  YYACCEPT;
1509				;}
1510    break;
1511
1512  case 4:
1513#line 157 "OSUnserializeXML.y"
1514    { yyerror("syntax error");
1515				  YYERROR;
1516				;}
1517    break;
1518
1519  case 5:
1520#line 162 "OSUnserializeXML.y"
1521    { (yyval) = buildDictionary(STATE, (yyvsp[(1) - (1)]));
1522
1523				  STATE->parsedObjectCount++;
1524				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1525				    yyerror("maximum object count");
1526				    YYERROR;
1527				  }
1528				;}
1529    break;
1530
1531  case 6:
1532#line 170 "OSUnserializeXML.y"
1533    { (yyval) = buildArray(STATE, (yyvsp[(1) - (1)]));
1534
1535				  STATE->parsedObjectCount++;
1536				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1537				    yyerror("maximum object count");
1538				    YYERROR;
1539				  }
1540				;}
1541    break;
1542
1543  case 7:
1544#line 178 "OSUnserializeXML.y"
1545    { (yyval) = buildSet(STATE, (yyvsp[(1) - (1)]));
1546
1547				  STATE->parsedObjectCount++;
1548				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1549				    yyerror("maximum object count");
1550				    YYERROR;
1551				  }
1552				;}
1553    break;
1554
1555  case 8:
1556#line 186 "OSUnserializeXML.y"
1557    { (yyval) = buildString(STATE, (yyvsp[(1) - (1)]));
1558
1559				  STATE->parsedObjectCount++;
1560				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1561				    yyerror("maximum object count");
1562				    YYERROR;
1563				  }
1564				;}
1565    break;
1566
1567  case 9:
1568#line 194 "OSUnserializeXML.y"
1569    { (yyval) = buildData(STATE, (yyvsp[(1) - (1)]));
1570
1571				  STATE->parsedObjectCount++;
1572				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1573				    yyerror("maximum object count");
1574				    YYERROR;
1575				  }
1576				;}
1577    break;
1578
1579  case 10:
1580#line 202 "OSUnserializeXML.y"
1581    { (yyval) = buildNumber(STATE, (yyvsp[(1) - (1)]));
1582
1583				  STATE->parsedObjectCount++;
1584				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1585				    yyerror("maximum object count");
1586				    YYERROR;
1587				  }
1588				;}
1589    break;
1590
1591  case 11:
1592#line 210 "OSUnserializeXML.y"
1593    { (yyval) = buildBoolean(STATE, (yyvsp[(1) - (1)]));
1594
1595				  STATE->parsedObjectCount++;
1596				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1597				    yyerror("maximum object count");
1598				    YYERROR;
1599				  }
1600				;}
1601    break;
1602
1603  case 12:
1604#line 218 "OSUnserializeXML.y"
1605    { (yyval) = retrieveObject(STATE, (yyvsp[(1) - (1)])->idref);
1606				  if ((yyval)) {
1607				    (yyval)->object->retain();
1608				  } else {
1609				    yyerror("forward reference detected");
1610				    YYERROR;
1611				  }
1612				  freeObject(STATE, (yyvsp[(1) - (1)]));
1613
1614				  STATE->parsedObjectCount++;
1615				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1616				    yyerror("maximum object count");
1617				    YYERROR;
1618				  }
1619				;}
1620    break;
1621
1622  case 13:
1623#line 237 "OSUnserializeXML.y"
1624    { (yyval) = (yyvsp[(1) - (2)]);
1625				  (yyval)->elements = NULL;
1626				;}
1627    break;
1628
1629  case 14:
1630#line 240 "OSUnserializeXML.y"
1631    { (yyval) = (yyvsp[(1) - (3)]);
1632				  (yyval)->elements = (yyvsp[(2) - (3)]);
1633				;}
1634    break;
1635
1636  case 17:
1637#line 247 "OSUnserializeXML.y"
1638    { (yyval) = (yyvsp[(2) - (2)]);
1639				  (yyval)->next = (yyvsp[(1) - (2)]);
1640
1641				  object_t *o;
1642				  o = (yyval)->next;
1643				  while (o) {
1644				    if (o->key == (yyval)->key) {
1645				      yyerror("duplicate dictionary key");
1646				      YYERROR;
1647				    }
1648				    o = o->next;
1649				  }
1650				;}
1651    break;
1652
1653  case 18:
1654#line 262 "OSUnserializeXML.y"
1655    { (yyval) = (yyvsp[(1) - (2)]);
1656				  (yyval)->key = (OSSymbol *)(yyval)->object;
1657				  (yyval)->object = (yyvsp[(2) - (2)])->object;
1658				  (yyval)->next = NULL;
1659				  (yyvsp[(2) - (2)])->object = 0;
1660				  freeObject(STATE, (yyvsp[(2) - (2)]));
1661				;}
1662    break;
1663
1664  case 19:
1665#line 271 "OSUnserializeXML.y"
1666    { (yyval) = buildSymbol(STATE, (yyvsp[(1) - (1)]));
1667
1668//				  STATE->parsedObjectCount++;
1669//				  if (STATE->parsedObjectCount > MAX_OBJECTS) {
1670//				    yyerror("maximum object count");
1671//				    YYERROR;
1672//				  }
1673				;}
1674    break;
1675
1676  case 20:
1677#line 283 "OSUnserializeXML.y"
1678    { (yyval) = (yyvsp[(1) - (2)]);
1679				  (yyval)->elements = NULL;
1680				;}
1681    break;
1682
1683  case 21:
1684#line 286 "OSUnserializeXML.y"
1685    { (yyval) = (yyvsp[(1) - (3)]);
1686				  (yyval)->elements = (yyvsp[(2) - (3)]);
1687				;}
1688    break;
1689
1690  case 23:
1691#line 292 "OSUnserializeXML.y"
1692    { (yyval) = (yyvsp[(1) - (2)]);
1693				  (yyval)->elements = NULL;
1694				;}
1695    break;
1696
1697  case 24:
1698#line 295 "OSUnserializeXML.y"
1699    { (yyval) = (yyvsp[(1) - (3)]);
1700				  (yyval)->elements = (yyvsp[(2) - (3)]);
1701				;}
1702    break;
1703
1704  case 26:
1705#line 301 "OSUnserializeXML.y"
1706    { (yyval) = (yyvsp[(1) - (1)]);
1707				  (yyval)->next = NULL;
1708				;}
1709    break;
1710
1711  case 27:
1712#line 304 "OSUnserializeXML.y"
1713    { (yyval) = (yyvsp[(2) - (2)]);
1714				  (yyval)->next = (yyvsp[(1) - (2)]);
1715				;}
1716    break;
1717
1718
1719/* Line 1267 of yacc.c.  */
1720#line 1671 "OSUnserializeXML.tab.c"
1721      default: break;
1722    }
1723  YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
1724
1725  YYPOPSTACK (yylen);
1726  yylen = 0;
1727  YY_STACK_PRINT (yyss, yyssp);
1728
1729  *++yyvsp = yyval;
1730
1731
1732  /* Now `shift' the result of the reduction.  Determine what state
1733     that goes to, based on the state we popped back to and the rule
1734     number reduced by.  */
1735
1736  yyn = yyr1[yyn];
1737
1738  yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
1739  if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
1740    yystate = yytable[yystate];
1741  else
1742    yystate = yydefgoto[yyn - YYNTOKENS];
1743
1744  goto yynewstate;
1745
1746
1747/*------------------------------------.
1748| yyerrlab -- here on detecting error |
1749`------------------------------------*/
1750yyerrlab:
1751  /* If not already recovering from an error, report this error.  */
1752  if (!yyerrstatus)
1753    {
1754      ++yynerrs;
1755#if ! YYERROR_VERBOSE
1756      yyerror (YY_("syntax error"));
1757#else
1758      {
1759	YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
1760	if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
1761	  {
1762	    YYSIZE_T yyalloc = 2 * yysize;
1763	    if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
1764	      yyalloc = YYSTACK_ALLOC_MAXIMUM;
1765	    if (yymsg != yymsgbuf)
1766	      YYSTACK_FREE (yymsg);
1767	    yymsg = (char *) YYSTACK_ALLOC (yyalloc);
1768	    if (yymsg)
1769	      yymsg_alloc = yyalloc;
1770	    else
1771	      {
1772		yymsg = yymsgbuf;
1773		yymsg_alloc = sizeof yymsgbuf;
1774	      }
1775	  }
1776
1777	if (0 < yysize && yysize <= yymsg_alloc)
1778	  {
1779	    (void) yysyntax_error (yymsg, yystate, yychar);
1780	    yyerror (yymsg);
1781	  }
1782	else
1783	  {
1784	    yyerror (YY_("syntax error"));
1785	    if (yysize != 0)
1786	      goto yyexhaustedlab;
1787	  }
1788      }
1789#endif
1790    }
1791
1792
1793
1794  if (yyerrstatus == 3)
1795    {
1796      /* If just tried and failed to reuse look-ahead token after an
1797	 error, discard it.  */
1798
1799      if (yychar <= YYEOF)
1800	{
1801	  /* Return failure if at end of input.  */
1802	  if (yychar == YYEOF)
1803	    YYABORT;
1804	}
1805      else
1806	{
1807	  yydestruct ("Error: discarding",
1808		      yytoken, &yylval);
1809	  yychar = YYEMPTY;
1810	}
1811    }
1812
1813  /* Else will try to reuse look-ahead token after shifting the error
1814     token.  */
1815  goto yyerrlab1;
1816
1817
1818/*---------------------------------------------------.
1819| yyerrorlab -- error raised explicitly by YYERROR.  |
1820`---------------------------------------------------*/
1821yyerrorlab:
1822
1823  /* Pacify compilers like GCC when the user code never invokes
1824     YYERROR and the label yyerrorlab therefore never appears in user
1825     code.  */
1826  if (/*CONSTCOND*/ 0)
1827     goto yyerrorlab;
1828
1829  /* Do not reclaim the symbols of the rule which action triggered
1830     this YYERROR.  */
1831  YYPOPSTACK (yylen);
1832  yylen = 0;
1833  YY_STACK_PRINT (yyss, yyssp);
1834  yystate = *yyssp;
1835  goto yyerrlab1;
1836
1837
1838/*-------------------------------------------------------------.
1839| yyerrlab1 -- common code for both syntax error and YYERROR.  |
1840`-------------------------------------------------------------*/
1841yyerrlab1:
1842  yyerrstatus = 3;	/* Each real token shifted decrements this.  */
1843
1844  for (;;)
1845    {
1846      yyn = yypact[yystate];
1847      if (yyn != YYPACT_NINF)
1848	{
1849	  yyn += YYTERROR;
1850	  if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
1851	    {
1852	      yyn = yytable[yyn];
1853	      if (0 < yyn)
1854		break;
1855	    }
1856	}
1857
1858      /* Pop the current state because it cannot handle the error token.  */
1859      if (yyssp == yyss)
1860	YYABORT;
1861
1862
1863      yydestruct ("Error: popping",
1864		  yystos[yystate], yyvsp);
1865      YYPOPSTACK (1);
1866      yystate = *yyssp;
1867      YY_STACK_PRINT (yyss, yyssp);
1868    }
1869
1870  if (yyn == YYFINAL)
1871    YYACCEPT;
1872
1873  *++yyvsp = yylval;
1874
1875
1876  /* Shift the error token.  */
1877  YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
1878
1879  yystate = yyn;
1880  goto yynewstate;
1881
1882
1883/*-------------------------------------.
1884| yyacceptlab -- YYACCEPT comes here.  |
1885`-------------------------------------*/
1886yyacceptlab:
1887  yyresult = 0;
1888  goto yyreturn;
1889
1890/*-----------------------------------.
1891| yyabortlab -- YYABORT comes here.  |
1892`-----------------------------------*/
1893yyabortlab:
1894  yyresult = 1;
1895  goto yyreturn;
1896
1897#ifndef yyoverflow
1898/*-------------------------------------------------.
1899| yyexhaustedlab -- memory exhaustion comes here.  |
1900`-------------------------------------------------*/
1901yyexhaustedlab:
1902  yyerror (YY_("memory exhausted"));
1903  yyresult = 2;
1904  /* Fall through.  */
1905#endif
1906
1907yyreturn:
1908  if (yychar != YYEOF && yychar != YYEMPTY)
1909     yydestruct ("Cleanup: discarding lookahead",
1910		 yytoken, &yylval);
1911  /* Do not reclaim the symbols of the rule which action triggered
1912     this YYABORT or YYACCEPT.  */
1913  YYPOPSTACK (yylen);
1914  YY_STACK_PRINT (yyss, yyssp);
1915  while (yyssp != yyss)
1916    {
1917      yydestruct ("Cleanup: popping",
1918		  yystos[*yyssp], yyvsp);
1919      YYPOPSTACK (1);
1920    }
1921#ifndef yyoverflow
1922  if (yyss != yyssa)
1923    YYSTACK_FREE (yyss);
1924#endif
1925#if YYERROR_VERBOSE
1926  if (yymsg != yymsgbuf)
1927    YYSTACK_FREE (yymsg);
1928#endif
1929  /* Make sure YYID is used.  */
1930  return YYID (yyresult);
1931}
1932
1933
1934#line 326 "OSUnserializeXML.y"
1935
1936
1937int
1938OSUnserializeerror(parser_state_t * state, const char *s)  /* Called by yyparse on errors */
1939{
1940    if (state->errorString) {
1941	char tempString[128];
1942	snprintf(tempString, 128, "OSUnserializeXML: %s near line %d\n", s, state->lineNumber);
1943	*(state->errorString) = OSString::withCString(tempString);
1944    }
1945
1946    return 0;
1947}
1948
1949#define TAG_MAX_LENGTH		32
1950#define TAG_MAX_ATTRIBUTES	32
1951#define TAG_BAD			0
1952#define TAG_START		1
1953#define TAG_END			2
1954#define TAG_EMPTY		3
1955#define TAG_IGNORE		4
1956
1957#define currentChar()	(state->parseBuffer[state->parseBufferIndex])
1958#define nextChar()	(state->parseBuffer[++state->parseBufferIndex])
1959#define prevChar()	(state->parseBuffer[state->parseBufferIndex - 1])
1960
1961#define isSpace(c)	((c) == ' ' || (c) == '\t')
1962#define isAlpha(c)	(((c) >= 'A' && (c) <= 'Z') || ((c) >= 'a' && (c) <= 'z'))
1963#define isDigit(c)	((c) >= '0' && (c) <= '9')
1964#define isAlphaDigit(c)	((c) >= 'a' && (c) <= 'f')
1965#define isHexDigit(c)	(isDigit(c) || isAlphaDigit(c))
1966#define isAlphaNumeric(c) (isAlpha(c) || isDigit(c) || ((c) == '-'))
1967
1968static int
1969getTag(parser_state_t *state,
1970       char tag[TAG_MAX_LENGTH],
1971       int *attributeCount,
1972       char attributes[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH],
1973       char values[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH] )
1974{
1975	int length = 0;
1976	int c = currentChar();
1977	int tagType = TAG_START;
1978
1979	*attributeCount = 0;
1980
1981	if (c != '<') return TAG_BAD;
1982        c = nextChar();		// skip '<'
1983
1984
1985	// <!TAG   declarations     >
1986	// <!--     comments      -->
1987        if (c == '!') {
1988	    c = nextChar();
1989	    bool isComment = (c == '-') && ((c = nextChar()) != 0) && (c == '-');
1990	    if (!isComment && !isAlpha(c)) return TAG_BAD;   // <!1, <!-A, <!eos
1991
1992	    while (c && (c = nextChar()) != 0) {
1993		if (c == '\n') state->lineNumber++;
1994		if (isComment) {
1995		    if (c != '-') continue;
1996		    c = nextChar();
1997		    if (c != '-') continue;
1998		    c = nextChar();
1999		}
2000		if (c == '>') {
2001		    (void)nextChar();
2002		    return TAG_IGNORE;
2003		}
2004		if (isComment) break;
2005	    }
2006	    return TAG_BAD;
2007	}
2008
2009	else
2010
2011	// <? Processing Instructions  ?>
2012        if (c == '?') {
2013	    while ((c = nextChar()) != 0) {
2014		if (c == '\n') state->lineNumber++;
2015		if (c != '?') continue;
2016		c = nextChar();
2017		if (c == '>') {
2018		    (void)nextChar();
2019		    return TAG_IGNORE;
2020		}
2021	    }
2022	    return TAG_BAD;
2023	}
2024
2025	else
2026
2027	// </ end tag >
2028	if (c == '/') {
2029		c = nextChar();		// skip '/'
2030		tagType = TAG_END;
2031	}
2032        if (!isAlpha(c)) return TAG_BAD;
2033
2034	/* find end of tag while copying it */
2035	while (isAlphaNumeric(c)) {
2036		tag[length++] = c;
2037		c = nextChar();
2038		if (length >= (TAG_MAX_LENGTH - 1)) return TAG_BAD;
2039	}
2040
2041	tag[length] = 0;
2042
2043//	printf("tag %s, type %d\n", tag, tagType);
2044
2045	// look for attributes of the form attribute = "value" ...
2046	while ((c != '>') && (c != '/')) {
2047		while (isSpace(c)) c = nextChar();
2048
2049		length = 0;
2050		while (isAlphaNumeric(c)) {
2051			attributes[*attributeCount][length++] = c;
2052			if (length >= (TAG_MAX_LENGTH - 1)) return TAG_BAD;
2053			c = nextChar();
2054		}
2055		attributes[*attributeCount][length] = 0;
2056
2057		while (isSpace(c)) c = nextChar();
2058
2059		if (c != '=') return TAG_BAD;
2060		c = nextChar();
2061
2062		while (isSpace(c)) c = nextChar();
2063
2064		if (c != '"') return TAG_BAD;
2065		c = nextChar();
2066		length = 0;
2067		while (c != '"') {
2068			values[*attributeCount][length++] = c;
2069			if (length >= (TAG_MAX_LENGTH - 1)) return TAG_BAD;
2070			c = nextChar();
2071		}
2072		values[*attributeCount][length] = 0;
2073
2074		c = nextChar(); // skip closing quote
2075
2076//		printf("	attribute '%s' = '%s', nextchar = '%c'\n",
2077//		       attributes[*attributeCount], values[*attributeCount], c);
2078
2079		(*attributeCount)++;
2080		if (*attributeCount >= TAG_MAX_ATTRIBUTES) return TAG_BAD;
2081	}
2082
2083	if (c == '/') {
2084		c = nextChar();		// skip '/'
2085		tagType = TAG_EMPTY;
2086	}
2087	if (c != '>') return TAG_BAD;
2088	c = nextChar();		// skip '>'
2089
2090	return tagType;
2091}
2092
2093static char *
2094getString(parser_state_t *state)
2095{
2096	int c = currentChar();
2097	int start, length, i, j;
2098	char * tempString;
2099
2100	start = state->parseBufferIndex;
2101	/* find end of string */
2102
2103	while (c != 0) {
2104		if (c == '\n') state->lineNumber++;
2105		if (c == '<') {
2106			break;
2107		}
2108		c = nextChar();
2109	}
2110
2111	if (c != '<') return 0;
2112
2113	length = state->parseBufferIndex - start;
2114
2115	/* copy to null terminated buffer */
2116	tempString = (char *)malloc(length + 1);
2117	if (tempString == 0) {
2118		printf("OSUnserializeXML: can't alloc temp memory\n");
2119		goto error;
2120	}
2121
2122	// copy out string in tempString
2123	// "&amp;" -> '&', "&lt;" -> '<', "&gt;" -> '>'
2124
2125	i = j = 0;
2126	while (i < length) {
2127		c = state->parseBuffer[start + i++];
2128		if (c != '&') {
2129			tempString[j++] = c;
2130		} else {
2131			if ((i+3) > length) goto error;
2132			c = state->parseBuffer[start + i++];
2133			if (c == 'l') {
2134				if (state->parseBuffer[start + i++] != 't') goto error;
2135				if (state->parseBuffer[start + i++] != ';') goto error;
2136				tempString[j++] = '<';
2137				continue;
2138			}
2139			if (c == 'g') {
2140				if (state->parseBuffer[start + i++] != 't') goto error;
2141				if (state->parseBuffer[start + i++] != ';') goto error;
2142				tempString[j++] = '>';
2143				continue;
2144			}
2145			if ((i+3) > length) goto error;
2146			if (c == 'a') {
2147				if (state->parseBuffer[start + i++] != 'm') goto error;
2148				if (state->parseBuffer[start + i++] != 'p') goto error;
2149				if (state->parseBuffer[start + i++] != ';') goto error;
2150				tempString[j++] = '&';
2151				continue;
2152			}
2153			goto error;
2154		}
2155	}
2156	tempString[j] = 0;
2157
2158//	printf("string %s\n", tempString);
2159
2160	return tempString;
2161
2162error:
2163	if (tempString) free(tempString);
2164	return 0;
2165}
2166
2167static long long
2168getNumber(parser_state_t *state)
2169{
2170	unsigned long long n = 0;
2171	int base = 10;
2172	bool negate = false;
2173	int c = currentChar();
2174
2175	if (c == '0') {
2176		c = nextChar();
2177		if (c == 'x') {
2178			base = 16;
2179			c = nextChar();
2180		}
2181	}
2182	if (base == 10) {
2183		if (c == '-') {
2184			negate = true;
2185			c = nextChar();
2186		}
2187		while(isDigit(c)) {
2188			n = (n * base + c - '0');
2189			c = nextChar();
2190		}
2191		if (negate) {
2192			n = (unsigned long long)((long long)n * (long long)-1);
2193		}
2194	} else {
2195		while(isHexDigit(c)) {
2196			if (isDigit(c)) {
2197				n = (n * base + c - '0');
2198			} else {
2199				n = (n * base + 0xa + c - 'a');
2200			}
2201			c = nextChar();
2202		}
2203	}
2204//	printf("number 0x%x\n", (unsigned long)n);
2205	return n;
2206}
2207
2208// taken from CFXMLParsing/CFPropertyList.c
2209
2210static const signed char __CFPLDataDecodeTable[128] = {
2211    /* 000 */ -1, -1, -1, -1, -1, -1, -1, -1,
2212    /* 010 */ -1, -1, -1, -1, -1, -1, -1, -1,
2213    /* 020 */ -1, -1, -1, -1, -1, -1, -1, -1,
2214    /* 030 */ -1, -1, -1, -1, -1, -1, -1, -1,
2215    /* ' ' */ -1, -1, -1, -1, -1, -1, -1, -1,
2216    /* '(' */ -1, -1, -1, 62, -1, -1, -1, 63,
2217    /* '0' */ 52, 53, 54, 55, 56, 57, 58, 59,
2218    /* '8' */ 60, 61, -1, -1, -1,  0, -1, -1,
2219    /* '@' */ -1,  0,  1,  2,  3,  4,  5,  6,
2220    /* 'H' */  7,  8,  9, 10, 11, 12, 13, 14,
2221    /* 'P' */ 15, 16, 17, 18, 19, 20, 21, 22,
2222    /* 'X' */ 23, 24, 25, -1, -1, -1, -1, -1,
2223    /* '`' */ -1, 26, 27, 28, 29, 30, 31, 32,
2224    /* 'h' */ 33, 34, 35, 36, 37, 38, 39, 40,
2225    /* 'p' */ 41, 42, 43, 44, 45, 46, 47, 48,
2226    /* 'x' */ 49, 50, 51, -1, -1, -1, -1, -1
2227};
2228
2229#define DATA_ALLOC_SIZE 4096
2230
2231static void *
2232getCFEncodedData(parser_state_t *state, unsigned int *size)
2233{
2234    int numeq = 0, acc = 0, cntr = 0;
2235    int tmpbufpos = 0, tmpbuflen = 0;
2236    unsigned char *tmpbuf = (unsigned char *)malloc(DATA_ALLOC_SIZE);
2237
2238    int c = currentChar();
2239    *size = 0;
2240
2241    while (c != '<') {
2242        c &= 0x7f;
2243	if (c == 0) {
2244		free(tmpbuf);
2245		return 0;
2246	}
2247	if (c == '=') numeq++; else numeq = 0;
2248	if (c == '\n') state->lineNumber++;
2249        if (__CFPLDataDecodeTable[c] < 0) {
2250	    c = nextChar();
2251            continue;
2252	}
2253        cntr++;
2254        acc <<= 6;
2255        acc += __CFPLDataDecodeTable[c];
2256        if (0 == (cntr & 0x3)) {
2257            if (tmpbuflen <= tmpbufpos + 2) {
2258                tmpbuflen += DATA_ALLOC_SIZE;
2259		tmpbuf = (unsigned char *)realloc(tmpbuf, tmpbuflen);
2260            }
2261            tmpbuf[tmpbufpos++] = (acc >> 16) & 0xff;
2262            if (numeq < 2)
2263                tmpbuf[tmpbufpos++] = (acc >> 8) & 0xff;
2264            if (numeq < 1)
2265                tmpbuf[tmpbufpos++] = acc & 0xff;
2266        }
2267	c = nextChar();
2268    }
2269    *size = tmpbufpos;
2270    if (*size == 0) {
2271	free(tmpbuf);
2272	return 0;
2273    }
2274    return tmpbuf;
2275}
2276
2277static void *
2278getHexData(parser_state_t *state, unsigned int *size)
2279{
2280    int c;
2281    unsigned char *d, *start, *lastStart;
2282
2283    start = lastStart = d = (unsigned char *)malloc(DATA_ALLOC_SIZE);
2284    c = currentChar();
2285
2286    while (c != '<') {
2287
2288	if (isSpace(c)) while ((c = nextChar()) != 0 && isSpace(c)) {};
2289	if (c == '\n') {
2290	    state->lineNumber++;
2291	    c = nextChar();
2292	    continue;
2293	}
2294
2295	// get high nibble
2296	if (isDigit(c)) {
2297	    *d = (c - '0') << 4;
2298	} else if (isAlphaDigit(c)) {
2299	    *d =  (0xa + (c - 'a')) << 4;
2300	} else {
2301	    goto error;
2302	}
2303
2304	// get low nibble
2305	c = nextChar();
2306	if (isDigit(c)) {
2307	    *d |= c - '0';
2308	} else if (isAlphaDigit(c)) {
2309	    *d |= 0xa + (c - 'a');
2310	} else {
2311	    goto error;
2312	}
2313
2314	d++;
2315	if ((d - lastStart) >= DATA_ALLOC_SIZE) {
2316	    int oldsize = d - start;
2317	    start = (unsigned char *)realloc(start, oldsize + DATA_ALLOC_SIZE);
2318	    d = lastStart = start + oldsize;
2319	}
2320	c = nextChar();
2321    }
2322
2323    *size = d - start;
2324    return start;
2325
2326 error:
2327
2328    *size = 0;
2329    free(start);
2330    return 0;
2331}
2332
2333static int
2334yylex(YYSTYPE *lvalp, parser_state_t *state)
2335{
2336	int c, i;
2337	int tagType;
2338	char tag[TAG_MAX_LENGTH];
2339	int attributeCount;
2340	char attributes[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH];
2341	char values[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH];
2342	object_t *object;
2343
2344 top:
2345	c = currentChar();
2346
2347	/* skip white space  */
2348	if (isSpace(c)) while ((c = nextChar()) != 0 && isSpace(c)) {};
2349
2350	/* keep track of line number, don't return \n's */
2351	if (c == '\n') {
2352		STATE->lineNumber++;
2353		(void)nextChar();
2354		goto top;
2355	}
2356
2357	// end of the buffer?
2358	if (!c)	return 0;
2359
2360	tagType = getTag(STATE, tag, &attributeCount, attributes, values);
2361	if (tagType == TAG_BAD) return SYNTAX_ERROR;
2362	if (tagType == TAG_IGNORE) goto top;
2363
2364	// handle allocation and check for "ID" and "IDREF" tags up front
2365	*lvalp = object = newObject(STATE);
2366	object->idref = -1;
2367	for (i=0; i < attributeCount; i++) {
2368	    if (attributes[i][0] == 'I' && attributes[i][1] == 'D') {
2369		// check for idref's, note: we ignore the tag, for
2370		// this to work correctly, all idrefs must be unique
2371		// across the whole serialization
2372		if (attributes[i][2] == 'R' && attributes[i][3] == 'E' &&
2373		    attributes[i][4] == 'F' && !attributes[i][5]) {
2374		    if (tagType != TAG_EMPTY) return SYNTAX_ERROR;
2375		    object->idref = strtol(values[i], NULL, 0);
2376		    return IDREF;
2377		}
2378		// check for id's
2379		if (!attributes[i][2]) {
2380		    object->idref = strtol(values[i], NULL, 0);
2381		} else {
2382		    return SYNTAX_ERROR;
2383		}
2384	    }
2385	}
2386
2387	switch (*tag) {
2388	case 'a':
2389		if (!strcmp(tag, "array")) {
2390			if (tagType == TAG_EMPTY) {
2391				object->elements = NULL;
2392				return ARRAY;
2393			}
2394			return (tagType == TAG_START) ? '(' : ')';
2395		}
2396		break;
2397	case 'd':
2398		if (!strcmp(tag, "dict")) {
2399			if (tagType == TAG_EMPTY) {
2400				object->elements = NULL;
2401				return DICTIONARY;
2402			}
2403			return (tagType == TAG_START) ? '{' : '}';
2404		}
2405		if (!strcmp(tag, "data")) {
2406			unsigned int size;
2407			if (tagType == TAG_EMPTY) {
2408				object->data = NULL;
2409				object->size = 0;
2410				return DATA;
2411			}
2412
2413			bool isHexFormat = false;
2414			for (i=0; i < attributeCount; i++) {
2415				if (!strcmp(attributes[i], "format") && !strcmp(values[i], "hex")) {
2416					isHexFormat = true;
2417					break;
2418				}
2419			}
2420			// CF encoded is the default form
2421			if (isHexFormat) {
2422			    object->data = getHexData(STATE, &size);
2423			} else {
2424			    object->data = getCFEncodedData(STATE, &size);
2425			}
2426			object->size = size;
2427			if ((getTag(STATE, tag, &attributeCount, attributes, values) != TAG_END) || strcmp(tag, "data")) {
2428				return SYNTAX_ERROR;
2429			}
2430			return DATA;
2431		}
2432		break;
2433	case 'f':
2434		if (!strcmp(tag, "false")) {
2435			if (tagType == TAG_EMPTY) {
2436				object->number = 0;
2437				return BOOLEAN;
2438			}
2439		}
2440		break;
2441	case 'i':
2442		if (!strcmp(tag, "integer")) {
2443			object->size = 64;	// default
2444			for (i=0; i < attributeCount; i++) {
2445				if (!strcmp(attributes[i], "size")) {
2446					object->size = strtoul(values[i], NULL, 0);
2447				}
2448			}
2449			if (tagType == TAG_EMPTY) {
2450				object->number = 0;
2451				return NUMBER;
2452			}
2453			object->number = getNumber(STATE);
2454			if ((getTag(STATE, tag, &attributeCount, attributes, values) != TAG_END) || strcmp(tag, "integer")) {
2455				return SYNTAX_ERROR;
2456			}
2457			return NUMBER;
2458		}
2459		break;
2460	case 'k':
2461		if (!strcmp(tag, "key")) {
2462			if (tagType == TAG_EMPTY) return SYNTAX_ERROR;
2463			object->string = getString(STATE);
2464			if (!object->string) {
2465				return SYNTAX_ERROR;
2466			}
2467			if ((getTag(STATE, tag, &attributeCount, attributes, values) != TAG_END)
2468			   || strcmp(tag, "key")) {
2469				return SYNTAX_ERROR;
2470			}
2471			return KEY;
2472		}
2473		break;
2474	case 'p':
2475		if (!strcmp(tag, "plist")) {
2476			freeObject(STATE, object);
2477			goto top;
2478		}
2479		break;
2480	case 's':
2481		if (!strcmp(tag, "string")) {
2482			if (tagType == TAG_EMPTY) {
2483			    	object->string = (char *)malloc(1);
2484			    	object->string[0] = 0;
2485				return STRING;
2486			}
2487			object->string = getString(STATE);
2488			if (!object->string) {
2489				return SYNTAX_ERROR;
2490			}
2491			if ((getTag(STATE, tag, &attributeCount, attributes, values) != TAG_END)
2492			   || strcmp(tag, "string")) {
2493				return SYNTAX_ERROR;
2494			}
2495			return STRING;
2496		}
2497		if (!strcmp(tag, "set")) {
2498			if (tagType == TAG_EMPTY) {
2499				object->elements = NULL;
2500				return SET;;
2501			}
2502			if (tagType == TAG_START) {
2503				return '[';
2504			} else {
2505				return ']';
2506			}
2507		}
2508		break;
2509	case 't':
2510		if (!strcmp(tag, "true")) {
2511			if (tagType == TAG_EMPTY) {
2512				object->number = 1;
2513				return BOOLEAN;
2514			}
2515		}
2516		break;
2517	}
2518
2519	return SYNTAX_ERROR;
2520}
2521
2522// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2523// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2524// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2525
2526// "java" like allocation, if this code hits a syntax error in the
2527// the middle of the parsed string we just bail with pointers hanging
2528// all over place, this code helps keeps it all together
2529
2530//static int object_count = 0;
2531
2532object_t *
2533newObject(parser_state_t *state)
2534{
2535	object_t *o;
2536
2537	if (state->freeObjects) {
2538		o = state->freeObjects;
2539		state->freeObjects = state->freeObjects->next;
2540	} else {
2541		o = (object_t *)malloc(sizeof(object_t));
2542//		object_count++;
2543		bzero(o, sizeof(object_t));
2544		o->free = state->objects;
2545		state->objects = o;
2546	}
2547
2548	return o;
2549}
2550
2551void
2552freeObject(parser_state_t * state, object_t *o)
2553{
2554	o->next = state->freeObjects;
2555	state->freeObjects = o;
2556}
2557
2558void
2559cleanupObjects(parser_state_t *state)
2560{
2561	object_t *t, *o = state->objects;
2562
2563	while (o) {
2564		if (o->object) {
2565//			printf("OSUnserializeXML: releasing object o=%x object=%x\n", (int)o, (int)o->object);
2566			o->object->release();
2567		}
2568		if (o->data) {
2569//			printf("OSUnserializeXML: freeing   object o=%x data=%x\n", (int)o, (int)o->data);
2570			free(o->data);
2571		}
2572		if (o->key) {
2573//			printf("OSUnserializeXML: releasing object o=%x key=%x\n", (int)o, (int)o->key);
2574			o->key->release();
2575		}
2576		if (o->string) {
2577//			printf("OSUnserializeXML: freeing   object o=%x string=%x\n", (int)o, (int)o->string);
2578			free(o->string);
2579		}
2580
2581		t = o;
2582		o = o->free;
2583		free(t);
2584//		object_count--;
2585	}
2586//	printf("object_count = %d\n", object_count);
2587}
2588
2589// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2590// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2591// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2592
2593static void
2594rememberObject(parser_state_t *state, int tag, OSObject *o)
2595{
2596	char key[16];
2597	snprintf(key, 16, "%u", tag);
2598
2599//	printf("remember key %s\n", key);
2600
2601	state->tags->setObject(key, o);
2602}
2603
2604static object_t *
2605retrieveObject(parser_state_t *state, int tag)
2606{
2607	OSObject *ref;
2608	object_t *o;
2609	char key[16];
2610	snprintf(key, 16, "%u", tag);
2611
2612//	printf("retrieve key '%s'\n", key);
2613
2614	ref = state->tags->getObject(key);
2615	if (!ref) return 0;
2616
2617	o = newObject(state);
2618	o->object = ref;
2619	return o;
2620}
2621
2622// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2623// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2624// !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!#
2625
2626object_t *
2627buildDictionary(parser_state_t *state, object_t * header)
2628{
2629	object_t *o, *t;
2630	int count = 0;
2631	OSDictionary *dict;
2632
2633	// get count and reverse order
2634	o = header->elements;
2635	header->elements = 0;
2636	while (o) {
2637		count++;
2638		t = o;
2639		o = o->next;
2640
2641		t->next = header->elements;
2642		header->elements = t;
2643	}
2644
2645	dict = OSDictionary::withCapacity(count);
2646	if (header->idref >= 0) rememberObject(state, header->idref, dict);
2647
2648	o = header->elements;
2649	while (o) {
2650		dict->setObject(o->key, o->object);
2651
2652		o->key->release();
2653		o->object->release();
2654		o->key = 0;
2655		o->object = 0;
2656
2657		t = o;
2658		o = o->next;
2659		freeObject(state, t);
2660	}
2661	o = header;
2662	o->object = dict;
2663	return o;
2664};
2665
2666object_t *
2667buildArray(parser_state_t *state, object_t * header)
2668{
2669	object_t *o, *t;
2670	int count = 0;
2671	OSArray *array;
2672
2673	// get count and reverse order
2674	o = header->elements;
2675	header->elements = 0;
2676	while (o) {
2677		count++;
2678		t = o;
2679		o = o->next;
2680
2681		t->next = header->elements;
2682		header->elements = t;
2683	}
2684
2685	array = OSArray::withCapacity(count);
2686	if (header->idref >= 0) rememberObject(state, header->idref, array);
2687
2688	o = header->elements;
2689	while (o) {
2690		array->setObject(o->object);
2691
2692		o->object->release();
2693		o->object = 0;
2694
2695		t = o;
2696		o = o->next;
2697		freeObject(state, t);
2698	}
2699	o = header;
2700	o->object = array;
2701	return o;
2702};
2703
2704object_t *
2705buildSet(parser_state_t *state, object_t *header)
2706{
2707	object_t *o = buildArray(state, header);
2708
2709	OSArray *array = (OSArray *)o->object;
2710	OSSet *set = OSSet::withArray(array, array->getCapacity());
2711
2712	// write over the reference created in buildArray
2713	if (header->idref >= 0) rememberObject(state, header->idref, set);
2714
2715	array->release();
2716	o->object = set;
2717	return o;
2718};
2719
2720object_t *
2721buildString(parser_state_t *state, object_t *o)
2722{
2723	OSString *string;
2724
2725	string = OSString::withCString(o->string);
2726	if (o->idref >= 0) rememberObject(state, o->idref, string);
2727
2728	free(o->string);
2729	o->string = 0;
2730	o->object = string;
2731
2732	return o;
2733};
2734
2735object_t *
2736buildSymbol(parser_state_t *state, object_t *o)
2737{
2738	OSSymbol *symbol;
2739
2740	symbol = (OSSymbol *)OSSymbol::withCString(o->string);
2741	if (o->idref >= 0) rememberObject(state, o->idref, symbol);
2742
2743	free(o->string);
2744	o->string = 0;
2745	o->object = symbol;
2746
2747	return o;
2748};
2749
2750object_t *
2751buildData(parser_state_t *state, object_t *o)
2752{
2753	OSData *data;
2754
2755	if (o->size) {
2756		data = OSData::withBytes(o->data, o->size);
2757	} else {
2758		data = OSData::withCapacity(0);
2759	}
2760	if (o->idref >= 0) rememberObject(state, o->idref, data);
2761
2762	if (o->size) free(o->data);
2763	o->data = 0;
2764	o->object = data;
2765	return o;
2766};
2767
2768object_t *
2769buildNumber(parser_state_t *state, object_t *o)
2770{
2771	OSNumber *number = OSNumber::withNumber(o->number, o->size);
2772
2773	if (o->idref >= 0) rememberObject(state, o->idref, number);
2774
2775	o->object = number;
2776	return o;
2777};
2778
2779object_t *
2780buildBoolean(parser_state_t *state __unused, object_t *o)
2781{
2782	o->object = ((o->number == 0) ? kOSBooleanFalse : kOSBooleanTrue);
2783	o->object->retain();
2784	return o;
2785};
2786
2787OSObject*
2788OSUnserializeXML(const char *buffer, OSString **errorString)
2789{
2790	OSObject *object;
2791	parser_state_t *state = (parser_state_t *)malloc(sizeof(parser_state_t));
2792
2793	if ((!state) || (!buffer)) return 0;
2794
2795	// just in case
2796	if (errorString) *errorString = NULL;
2797
2798	state->parseBuffer = buffer;
2799	state->parseBufferIndex = 0;
2800	state->lineNumber = 1;
2801	state->objects = 0;
2802	state->freeObjects = 0;
2803	state->tags = OSDictionary::withCapacity(128);
2804	state->errorString = errorString;
2805	state->parsedObject = 0;
2806	state->parsedObjectCount = 0;
2807
2808	(void)yyparse((void *)state);
2809
2810	object = state->parsedObject;
2811
2812	cleanupObjects(state);
2813	state->tags->release();
2814	free(state);
2815
2816	return object;
2817}
2818
2819OSObject*
2820OSUnserializeXML(const char *buffer, size_t bufferSize, OSString **errorString)
2821{
2822	if ((!buffer) || (!bufferSize)) return 0;
2823
2824	// XML must be null terminated
2825	if (buffer[bufferSize - 1] || strnlen(buffer, bufferSize) == bufferSize) return 0;
2826
2827	return OSUnserializeXML(buffer, errorString);
2828}
2829
2830
2831//
2832//
2833//
2834//
2835//
2836//		 DO NOT EDIT OSUnserializeXML.cpp!
2837//
2838//			this means you!
2839//
2840//
2841//
2842//
2843//
2844
2845