/* * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The Original Code and all software distributed under the License are * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* OSUnserialize.y created by rsulack on Nov 21 1998 */ // "classic" parser for unserializing OSContainer objects // // XXX - this code should really be removed! // - the XML format is now prefered // - this code leaks on syntax errors, the XML doesn't // - "classic" looks, reads, ... much better than XML :-( // - well except the XML is more efficent on OSData // // // to build : // bison -p OSUnserialize OSUnserialize.y // head -50 OSUnserialize.y > OSUnserialize.cpp // sed -e "s/stdio.h/stddef.h/" < OSUnserialize.tab.c >> OSUnserialize.cpp // // when changing code check in both OSUnserialize.y and OSUnserialize.cpp // // // // // DO NOT EDIT OSUnserialize.tab.cpp! // // this means you! // // // // /* A Bison parser, made from OSUnserialize.y by GNU Bison version 1.28 */ #define YYBISON 1 /* Identify Bison output. */ #define yyparse OSUnserializeparse #define yylex OSUnserializelex #define yyerror OSUnserializeerror #define yylval OSUnserializelval #define yychar OSUnserializechar #define yydebug OSUnserializedebug #define yynerrs OSUnserializenerrs #define NUMBER 257 #define STRING 258 #define DATA 259 #define BOOLEAN 260 #define SYNTAX_ERROR 261 #line 54 "OSUnserialize.y" #include #include #include typedef struct object { struct object *next; struct object *prev; void *object; int size; // for data union { void *key; // for dictionary long long offset; // for offset } u; } object_t; static int yyparse(); static int yyerror(char *s); static int yylex(); static object_t * newObject(); static void freeObject(object_t *o); static OSObject *buildOSDictionary(object_t *); static OSObject *buildOSArray(object_t *); static OSObject *buildOSSet(object_t *); static OSObject *buildOSString(object_t *); static OSObject *buildOSData(object_t *); static OSObject *buildOSOffset(object_t *); static OSObject *buildOSBoolean(object_t *o); static void rememberObject(int, object_t *); static OSObject *retrieveObject(int); // temp variable to use during parsing static object_t *o; // resultant object of parsed text static OSObject *parsedObject; #define YYSTYPE object_t * extern "C" { extern void *kern_os_malloc(size_t size); extern void *kern_os_realloc(void * addr, size_t size); extern void kern_os_free(void * addr); } /* extern "C" */ #define malloc(s) kern_os_malloc(s) #define realloc(a, s) kern_os_realloc(a, s) #define free(a) kern_os_free(a) #ifndef YYSTYPE #define YYSTYPE int #endif #ifndef __cplusplus #ifndef __STDC__ #define const #endif #endif #define YYFINAL 43 #define YYFLAG -32768 #define YYNTBASE 19 #define YYTRANSLATE(x) ((unsigned)(x) <= 261 ? yytranslate[x] : 31) static const 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, 13, 14, 2, 2, 17, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 18, 12, 2, 11, 2, 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, 15, 2, 16, 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, 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, 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, 3, 4, 5, 6, 7 }; #if YYDEBUG != 0 static const short yyprhs[] = { 0, 0, 1, 3, 5, 7, 9, 11, 13, 15, 17, 19, 22, 26, 29, 33, 35, 38, 43, 46, 50, 53, 57, 59, 63, 67, 69, 71 }; static const short yyrhs[] = { -1, 20, 0, 7, 0, 21, 0, 24, 0, 25, 0, 29, 0, 28, 0, 27, 0, 30, 0, 8, 3, 0, 20, 8, 3, 0, 9, 10, 0, 9, 22, 10, 0, 23, 0, 22, 23, 0, 20, 11, 20, 12, 0, 13, 14, 0, 13, 26, 14, 0, 15, 16, 0, 15, 26, 16, 0, 20, 0, 26, 17, 20, 0, 3, 18, 3, 0, 5, 0, 4, 0, 6, 0 }; #endif #if YYDEBUG != 0 static const short yyrline[] = { 0, 116, 117, 118, 121, 122, 123, 124, 125, 126, 127, 128, 137, 145, 146, 149, 150, 153, 163, 164, 167, 168, 171, 176, 187, 195, 200, 205 }; #endif #if YYDEBUG != 0 || defined (YYERROR_VERBOSE) static const char * const yytname[] = { "$","error","$undefined.","NUMBER", "STRING","DATA","BOOLEAN","SYNTAX_ERROR","'@'","'{'","'}'","'='","';'","'('", "')'","'['","']'","','","':'","input","object","dict","pairs","pair","array", "set","elements","offset","data","string","boolean", NULL }; #endif static const short yyr1[] = { 0, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 21, 21, 22, 22, 23, 24, 24, 25, 25, 26, 26, 27, 28, 29, 30 }; static const short yyr2[] = { 0, 0, 1, 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, 2, 3, 1, 2, 4, 2, 3, 2, 3, 1, 3, 3, 1, 1, 1 }; static const short yydefact[] = { 1, 0, 26, 25, 27, 3, 0, 0, 0, 0, 2, 4, 5, 6, 9, 8, 7, 10, 0, 11, 13, 0, 0, 15, 18, 22, 0, 20, 0, 0, 24, 0, 14, 16, 19, 0, 21, 12, 0, 23, 17, 0, 0, 0 }; static const short yydefgoto[] = { 41, 21, 11, 22, 23, 12, 13, 26, 14, 15, 16, 17 }; static const short yypact[] = { 12, -13,-32768,-32768,-32768,-32768, 9, 33, 46, -2, 2, -32768,-32768,-32768,-32768,-32768,-32768,-32768, 25,-32768,-32768, 21, 59,-32768,-32768, 2, 16,-32768, 7, 31,-32768, 72,-32768,-32768,-32768, 72,-32768,-32768, 14, 2,-32768, 40, 44,-32768 }; static const short yypgoto[] = {-32768, 0,-32768,-32768, 23,-32768,-32768, 38,-32768,-32768,-32768, -32768 }; #define YYLAST 87 static const short yytable[] = { 10, 1, 2, 3, 4, 18, 6, 7, 25, 25, 29, 8, 19, 9, 27, 1, 2, 3, 4, 5, 6, 7, 29, 36, 35, 8, 40, 9, 30, 29, 34, 38, 31, 35, 37, 39, 1, 2, 3, 4, 42, 6, 7, 20, 43, 33, 8, 28, 9, 1, 2, 3, 4, 0, 6, 7, 0, 0, 0, 8, 24, 9, 1, 2, 3, 4, 0, 6, 7, 32, 0, 0, 8, 0, 9, 1, 2, 3, 4, 0, 6, 7, 0, 0, 0, 8, 0, 9 }; static const short yycheck[] = { 0, 3, 4, 5, 6, 18, 8, 9, 8, 9, 8, 13, 3, 15, 16, 3, 4, 5, 6, 7, 8, 9, 8, 16, 17, 13, 12, 15, 3, 8, 14, 31, 11, 17, 3, 35, 3, 4, 5, 6, 0, 8, 9, 10, 0, 22, 13, 9, 15, 3, 4, 5, 6, -1, 8, 9, -1, -1, -1, 13, 14, 15, 3, 4, 5, 6, -1, 8, 9, 10, -1, -1, 13, -1, 15, 3, 4, 5, 6, -1, 8, 9, -1, -1, -1, 13, -1, 15 }; /* -*-C-*- Note some compilers choke on comments on `#line' lines. */ #line 3 "/usr/share/bison.simple" /* This file comes from bison-1.28. */ /* Skeleton output parser for bison, Copyright (C) 1984, 1989, 1990 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. */ /* This is the parser code that is written into each bison parser when the %semantic_parser declaration is not specified in the grammar. It was written by Richard Stallman by simplifying the hairy parser used when %semantic_parser is specified. */ #ifndef YYSTACK_USE_ALLOCA #ifdef alloca #define YYSTACK_USE_ALLOCA #else /* alloca not defined */ #ifdef __GNUC__ #define YYSTACK_USE_ALLOCA #define alloca __builtin_alloca #else /* not GNU C. */ #if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386)) || defined (__arm) #define YYSTACK_USE_ALLOCA #include #else /* not sparc */ /* We think this test detects Watcom and Microsoft C. */ /* This used to test MSDOS, but that is a bad idea since that symbol is in the user namespace. */ #if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__) #if 0 /* No need for malloc.h, which pollutes the namespace; instead, just don't use alloca. */ #include #endif #else /* not MSDOS, or __TURBOC__ */ #if defined(_AIX) /* I don't know what this was needed for, but it pollutes the namespace. So I turned it off. rms, 2 May 1997. */ /* #include */ #pragma alloca #define YYSTACK_USE_ALLOCA #else /* not MSDOS, or __TURBOC__, or _AIX */ #if 0 #ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up, and on HPUX 10. Eventually we can turn this on. */ #define YYSTACK_USE_ALLOCA #define alloca __builtin_alloca #endif /* __hpux */ #endif #endif /* not _AIX */ #endif /* not MSDOS, or __TURBOC__ */ #endif /* not sparc */ #endif /* not GNU C */ #endif /* alloca not defined */ #endif /* YYSTACK_USE_ALLOCA not defined */ #ifdef YYSTACK_USE_ALLOCA #define YYSTACK_ALLOC alloca #else #define YYSTACK_ALLOC malloc #endif /* Note: there must be only one dollar sign in this file. It is replaced by the list of actions, each action as one case of the switch. */ #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 yyerrlab1 /* 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); \ yychar1 = YYTRANSLATE (yychar); \ YYPOPSTACK; \ goto yybackup; \ } \ else \ { yyerror ("syntax error: cannot back up"); YYERROR; } \ while (0) #define YYTERROR 1 #define YYERRCODE 256 #ifndef YYPURE #define YYLEX yylex() #endif #ifdef YYPURE #ifdef YYLSP_NEEDED #ifdef YYLEX_PARAM #define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM) #else #define YYLEX yylex(&yylval, &yylloc) #endif #else /* not YYLSP_NEEDED */ #ifdef YYLEX_PARAM #define YYLEX yylex(&yylval, YYLEX_PARAM) #else #define YYLEX yylex(&yylval) #endif #endif /* not YYLSP_NEEDED */ #endif /* If nonreentrant, generate the variables here */ #ifndef YYPURE int yychar; /* the lookahead symbol */ YYSTYPE yylval; /* the semantic value of the */ /* lookahead symbol */ #ifdef YYLSP_NEEDED YYLTYPE yylloc; /* location data for the lookahead */ /* symbol */ #endif int yynerrs; /* number of parse errors so far */ #endif /* not YYPURE */ #if YYDEBUG != 0 int yydebug; /* nonzero means print parse trace */ /* Since this is uninitialized, it does not stop multiple parsers from coexisting. */ #endif /* YYINITDEPTH indicates the initial size of the parser's stacks */ #ifndef YYINITDEPTH #define YYINITDEPTH 200 #endif /* YYMAXDEPTH is the maximum size the stacks can grow to (effective only if the built-in stack extension method is used). */ #if YYMAXDEPTH == 0 #undef YYMAXDEPTH #endif #ifndef YYMAXDEPTH #define YYMAXDEPTH 10000 #endif /* Define __yy_memcpy. Note that the size argument should be passed with type unsigned int, because that is what the non-GCC definitions require. With GCC, __builtin_memcpy takes an arg of type size_t, but it can handle unsigned int. */ #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ #define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT) #else /* not GNU C or C++ */ #ifndef __cplusplus /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void __yy_memcpy (to, from, count) char *to; char *from; unsigned int count; { register char *f = from; register char *t = to; register int i = count; while (i-- > 0) *t++ = *f++; } #else /* __cplusplus */ /* This is the most reliable way to avoid incompatibilities in available built-in functions on various systems. */ static void __yy_memcpy (char *to, char *from, unsigned int count) { register char *t = to; register char *f = from; register int i = count; while (i-- > 0) *t++ = *f++; } #endif #endif #line 217 "/usr/share/bison.simple" /* The user can define YYPARSE_PARAM as the name of an argument to be passed into yyparse. The argument should have type void *. It should actually point to an object. Grammar actions can access the variable by casting it to the proper pointer type. */ #ifdef YYPARSE_PARAM #ifdef __cplusplus #define YYPARSE_PARAM_ARG void *YYPARSE_PARAM #define YYPARSE_PARAM_DECL #else /* not __cplusplus */ #define YYPARSE_PARAM_ARG YYPARSE_PARAM #define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; #endif /* not __cplusplus */ #else /* not YYPARSE_PARAM */ #define YYPARSE_PARAM_ARG #define YYPARSE_PARAM_DECL #endif /* not YYPARSE_PARAM */ /* Prevent warning if -Wstrict-prototypes. */ #ifdef __GNUC__ #ifdef YYPARSE_PARAM int yyparse (void *); #else int yyparse (void); #endif #endif int yyparse(YYPARSE_PARAM_ARG) YYPARSE_PARAM_DECL { register int yystate; register int yyn; register short *yyssp; register YYSTYPE *yyvsp; int yyerrstatus; /* number of tokens to shift before error messages enabled */ int yychar1 = 0; /* lookahead token as an internal (translated) token number */ short yyssa[YYINITDEPTH]; /* the state stack */ YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */ short *yyss = yyssa; /* refer to the stacks thru separate pointers */ YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */ #ifdef YYLSP_NEEDED YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */ YYLTYPE *yyls = yylsa; YYLTYPE *yylsp; #define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) #else #define YYPOPSTACK (yyvsp--, yyssp--) #endif int yystacksize = YYINITDEPTH; int yyfree_stacks = 0; #ifdef YYPURE int yychar; YYSTYPE yylval; int yynerrs; #ifdef YYLSP_NEEDED YYLTYPE yylloc; #endif #endif YYSTYPE yyval; /* the variable used to return */ /* semantic values from the action */ /* routines */ int yylen; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Starting parse\n"); #endif 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 - 1; yyvsp = yyvs; #ifdef YYLSP_NEEDED yylsp = yyls; #endif /* Push a new state, which is found in yystate . */ /* In all cases, when you get here, the value and location stacks have just been pushed. so pushing a state here evens the stacks. */ yynewstate: *++yyssp = yystate; if (yyssp >= yyss + yystacksize - 1) { /* 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 *yyss1 = yyss; #ifdef YYLSP_NEEDED YYLTYPE *yyls1 = yyls; #endif /* Get the current used size of the three stacks, in elements. */ int size = yyssp - yyss + 1; #ifdef yyoverflow /* Each stack pointer address is followed by the size of the data in use in that stack, in bytes. */ #ifdef YYLSP_NEEDED /* 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, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yyls1, size * sizeof (*yylsp), &yystacksize); #else yyoverflow("parser stack overflow", &yyss1, size * sizeof (*yyssp), &yyvs1, size * sizeof (*yyvsp), &yystacksize); #endif yyss = yyss1; yyvs = yyvs1; #ifdef YYLSP_NEEDED yyls = yyls1; #endif #else /* no yyoverflow */ /* Extend the stack our own way. */ if (yystacksize >= YYMAXDEPTH) { yyerror("parser stack overflow"); if (yyfree_stacks) { free (yyss); free (yyvs); #ifdef YYLSP_NEEDED free (yyls); #endif } return 2; } yystacksize *= 2; if (yystacksize > YYMAXDEPTH) yystacksize = YYMAXDEPTH; #ifndef YYSTACK_USE_ALLOCA yyfree_stacks = 1; #endif yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp)); __yy_memcpy ((char *)yyss, (char *)yyss1, size * (unsigned int) sizeof (*yyssp)); yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp)); __yy_memcpy ((char *)yyvs, (char *)yyvs1, size * (unsigned int) sizeof (*yyvsp)); #ifdef YYLSP_NEEDED yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp)); __yy_memcpy ((char *)yyls, (char *)yyls1, size * (unsigned int) sizeof (*yylsp)); #endif #endif /* no yyoverflow */ yyssp = yyss + size - 1; yyvsp = yyvs + size - 1; #ifdef YYLSP_NEEDED yylsp = yyls + size - 1; #endif #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Stack size increased to %d\n", yystacksize); #endif if (yyssp >= yyss + yystacksize - 1) YYABORT; } #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Entering state %d\n", yystate); #endif goto yybackup; yybackup: /* Do appropriate processing given the current state. */ /* Read a lookahead token if we need one and don't already have one. */ /* yyresume: */ /* First try to decide what to do without reference to lookahead token. */ yyn = yypact[yystate]; if (yyn == YYFLAG) goto yydefault; /* Not known => get a lookahead token if don't already have one. */ /* yychar is either YYEMPTY or YYEOF or a valid token in external form. */ if (yychar == YYEMPTY) { #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Reading a token: "); #endif yychar = YYLEX; } /* Convert token to internal form (in yychar1) for indexing tables with */ if (yychar <= 0) /* This means end of input. */ { yychar1 = 0; yychar = YYEOF; /* Don't call YYLEX any more */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Now at end of input.\n"); #endif } else { yychar1 = YYTRANSLATE(yychar); #if YYDEBUG != 0 if (yydebug) { fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); /* Give the individual parser a way to print the precise meaning of a token, for further debugging info. */ #ifdef YYPRINT YYPRINT (stderr, yychar, yylval); #endif fprintf (stderr, ")\n"); } #endif } yyn += yychar1; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) goto yydefault; yyn = yytable[yyn]; /* yyn is what to do for this token type in this state. Negative => reduce, -yyn is rule number. Positive => shift, yyn is new state. New state is final state => don't bother to shift, just return success. 0, or most negative number => error. */ if (yyn < 0) { if (yyn == YYFLAG) goto yyerrlab; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrlab; if (yyn == YYFINAL) YYACCEPT; /* Shift the lookahead token. */ #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]); #endif /* Discard the token being shifted unless it is eof. */ if (yychar != YYEOF) yychar = YYEMPTY; *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif /* count tokens shifted since error; after three, turn off error status. */ if (yyerrstatus) yyerrstatus--; yystate = yyn; goto yynewstate; /* Do the default action for the current state. */ yydefault: yyn = yydefact[yystate]; if (yyn == 0) goto yyerrlab; /* Do a reduction. yyn is the number of a rule to reduce with. */ yyreduce: yylen = yyr2[yyn]; if (yylen > 0) yyval = yyvsp[1-yylen]; /* implement default value of the action */ #if YYDEBUG != 0 if (yydebug) { int i; fprintf (stderr, "Reducing via rule %d (line %d), ", yyn, yyrline[yyn]); /* Print the symbols being reduced, and their result. */ for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) fprintf (stderr, "%s ", yytname[yyrhs[i]]); fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); } #endif switch (yyn) { case 1: #line 116 "OSUnserialize.y" { parsedObject = (OSObject *)NULL; YYACCEPT; ; break;} case 2: #line 117 "OSUnserialize.y" { parsedObject = (OSObject *)yyvsp[0]; YYACCEPT; ; break;} case 3: #line 118 "OSUnserialize.y" { yyerror("syntax error"); YYERROR; ; break;} case 4: #line 121 "OSUnserialize.y" { yyval = (object_t *)buildOSDictionary(yyvsp[0]); ; break;} case 5: #line 122 "OSUnserialize.y" { yyval = (object_t *)buildOSArray(yyvsp[0]); ; break;} case 6: #line 123 "OSUnserialize.y" { yyval = (object_t *)buildOSSet(yyvsp[0]); ; break;} case 7: #line 124 "OSUnserialize.y" { yyval = (object_t *)buildOSString(yyvsp[0]); ; break;} case 8: #line 125 "OSUnserialize.y" { yyval = (object_t *)buildOSData(yyvsp[0]); ; break;} case 9: #line 126 "OSUnserialize.y" { yyval = (object_t *)buildOSOffset(yyvsp[0]); ; break;} case 10: #line 127 "OSUnserialize.y" { yyval = (object_t *)buildOSBoolean(yyvsp[0]); ; break;} case 11: #line 128 "OSUnserialize.y" { yyval = (object_t *)retrieveObject(yyvsp[0]->u.offset); if (yyval) { ((OSObject *)yyval)->retain(); } else { yyerror("forward reference detected"); YYERROR; } freeObject(yyvsp[0]); ; break;} case 12: #line 137 "OSUnserialize.y" { yyval = yyvsp[-2]; rememberObject(yyvsp[0]->u.offset, yyvsp[-2]); freeObject(yyvsp[0]); ; break;} case 13: #line 145 "OSUnserialize.y" { yyval = NULL; ; break;} case 14: #line 146 "OSUnserialize.y" { yyval = yyvsp[-1]; ; break;} case 16: #line 150 "OSUnserialize.y" { yyvsp[0]->next = yyvsp[-1]; yyvsp[-1]->prev = yyvsp[0]; yyval = yyvsp[0]; ; break;} case 17: #line 153 "OSUnserialize.y" { yyval = newObject(); yyval->next = NULL; yyval->prev = NULL; yyval->u.key = yyvsp[-3]; yyval->object = yyvsp[-1]; ; break;} case 18: #line 163 "OSUnserialize.y" { yyval = NULL; ; break;} case 19: #line 164 "OSUnserialize.y" { yyval = yyvsp[-1]; ; break;} case 20: #line 167 "OSUnserialize.y" { yyval = NULL; ; break;} case 21: #line 168 "OSUnserialize.y" { yyval = yyvsp[-1]; ; break;} case 22: #line 171 "OSUnserialize.y" { yyval = newObject(); yyval->object = yyvsp[0]; yyval->next = NULL; yyval->prev = NULL; ; break;} case 23: #line 176 "OSUnserialize.y" { o = newObject(); o->object = yyvsp[0]; o->next = yyvsp[-2]; o->prev = NULL; yyvsp[-2]->prev = o; yyval = o; ; break;} case 24: #line 187 "OSUnserialize.y" { yyval = yyvsp[-2]; yyval->size = yyvsp[0]->u.offset; freeObject(yyvsp[0]); ; break;} } /* the action file gets copied in in place of this dollarsign */ #line 543 "/usr/share/bison.simple" yyvsp -= yylen; yyssp -= yylen; #ifdef YYLSP_NEEDED yylsp -= yylen; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif *++yyvsp = yyval; #ifdef YYLSP_NEEDED yylsp++; if (yylen == 0) { yylsp->first_line = yylloc.first_line; yylsp->first_column = yylloc.first_column; yylsp->last_line = (yylsp-1)->last_line; yylsp->last_column = (yylsp-1)->last_column; yylsp->text = 0; } else { yylsp->last_line = (yylsp+yylen-1)->last_line; yylsp->last_column = (yylsp+yylen-1)->last_column; } #endif /* 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 - YYNTBASE] + *yyssp; if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) yystate = yytable[yystate]; else yystate = yydefgoto[yyn - YYNTBASE]; goto yynewstate; yyerrlab: /* here on detecting error */ if (! yyerrstatus) /* If not already recovering from an error, report this error. */ { ++yynerrs; #ifdef YYERROR_VERBOSE yyn = yypact[yystate]; if (yyn > YYFLAG && yyn < YYLAST) { int size = 0; char *msg; int x, count, len; count = 0; /* Start X at -yyn if nec to avoid negative indexes in yycheck. */ for (x = (yyn < 0 ? -yyn : 0); x < (sizeof(yytname) / sizeof(char *)); x++) if (yycheck[x + yyn] == x) size += strlen(yytname[x]) + 15, count++; len = size + 15; msg = (char *) malloc(len); if (msg != 0) { strlcpy(msg, "parse error", len); if (count < 5) { count = 0; for (x = (yyn < 0 ? -yyn : 0); x < (sizeof(yytname) / sizeof(char *)); x++) if (yycheck[x + yyn] == x) { strlcat(msg, count == 0 ? ", expecting `" : " or `", len); strlcat(msg, yytname[x], len); strlcat(msg, "'", len); count++; } } yyerror(msg); free(msg); } else yyerror ("parse error; also virtual memory exceeded"); } else #endif /* YYERROR_VERBOSE */ yyerror("parse error"); } goto yyerrlab1; yyerrlab1: /* here on error raised explicitly by an action */ if (yyerrstatus == 3) { /* if just tried and failed to reuse lookahead token after an error, discard it. */ /* return failure if at end of input */ if (yychar == YYEOF) YYABORT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]); #endif yychar = YYEMPTY; } /* Else will try to reuse lookahead token after shifting the error token. */ yyerrstatus = 3; /* Each real token shifted decrements this */ goto yyerrhandle; yyerrdefault: /* current state does not do anything special for the error token. */ #if 0 /* This is wrong; only states that explicitly want error tokens should shift them. */ yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/ if (yyn) goto yydefault; #endif yyerrpop: /* pop the current state because it cannot handle the error token */ if (yyssp == yyss) YYABORT; yyvsp--; yystate = *--yyssp; #ifdef YYLSP_NEEDED yylsp--; #endif #if YYDEBUG != 0 if (yydebug) { short *ssp1 = yyss - 1; fprintf (stderr, "Error: state stack now"); while (ssp1 != yyssp) fprintf (stderr, " %d", *++ssp1); fprintf (stderr, "\n"); } #endif yyerrhandle: yyn = yypact[yystate]; if (yyn == YYFLAG) goto yyerrdefault; yyn += YYTERROR; if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) goto yyerrdefault; yyn = yytable[yyn]; if (yyn < 0) { if (yyn == YYFLAG) goto yyerrpop; yyn = -yyn; goto yyreduce; } else if (yyn == 0) goto yyerrpop; if (yyn == YYFINAL) YYACCEPT; #if YYDEBUG != 0 if (yydebug) fprintf(stderr, "Shifting error token, "); #endif *++yyvsp = yylval; #ifdef YYLSP_NEEDED *++yylsp = yylloc; #endif yystate = yyn; goto yynewstate; yyacceptlab: /* YYACCEPT comes here. */ if (yyfree_stacks) { free (yyss); free (yyvs); #ifdef YYLSP_NEEDED free (yyls); #endif } return 0; yyabortlab: /* YYABORT comes here. */ if (yyfree_stacks) { free (yyss); free (yyvs); #ifdef YYLSP_NEEDED free (yyls); #endif } return 1; } #line 208 "OSUnserialize.y" static int lineNumber = 0; static const char *parseBuffer; static int parseBufferIndex; #define currentChar() (parseBuffer[parseBufferIndex]) #define nextChar() (parseBuffer[++parseBufferIndex]) #define prevChar() (parseBuffer[parseBufferIndex - 1]) #define isSpace(c) ((c) == ' ' || (c) == '\t') #define isAlpha(c) (((c) >= 'A' && (c) <= 'Z') || ((c) >= 'a' && (c) <= 'z')) #define isDigit(c) ((c) >= '0' && (c) <= '9') #define isAlphaDigit(c) ((c) >= 'a' && (c) <= 'f') #define isHexDigit(c) (isDigit(c) || isAlphaDigit(c)) #define isAlphaNumeric(c) (isAlpha(c) || isDigit(c) || ((c) == '-')) static char yyerror_message[128]; int yyerror(char *s) /* Called by yyparse on error */ { sprintf(yyerror_message, "OSUnserialize: %s near line %d\n", s, lineNumber); return 0; } int yylex() { int c; if (parseBufferIndex == 0) lineNumber = 1; top: c = currentChar(); /* skip white space */ if (isSpace(c)) while ((c = nextChar()) != 0 && isSpace(c)) {}; /* skip over comments */ if (c == '#') while ((c = nextChar()) != 0 && c != '\n') {}; /* keep track of line number, don't return \n's */ if (c == '\n') { lineNumber++; (void)nextChar(); goto top; } /* parse boolean */ if (c == '.') { bool boolean = false; if (nextChar() == 't') { if (nextChar() != 'r') return SYNTAX_ERROR; if (nextChar() != 'u') return SYNTAX_ERROR; if (nextChar() != 'e') return SYNTAX_ERROR; boolean = true; } else { if (currentChar() != 'f') return SYNTAX_ERROR; if (nextChar() != 'a') return SYNTAX_ERROR; if (nextChar() != 'l') return SYNTAX_ERROR; if (nextChar() != 's') return SYNTAX_ERROR; if (nextChar() != 'e') return SYNTAX_ERROR; } if (nextChar() != '.') return SYNTAX_ERROR; /* skip over dot */ (void)nextChar(); yylval = (object_t *)boolean; return BOOLEAN; } /* parse unquoted string */ if (isAlpha(c)) { int start, length; char * tempString; start = parseBufferIndex; /* find end of string */ while (isAlphaNumeric(c)) { c = nextChar(); } length = parseBufferIndex - start; /* copy to null terminated buffer */ tempString = (char *)malloc(length + 1); if (tempString == 0) { printf("OSUnserialize: can't alloc temp memory\n"); return 0; } bcopy(&parseBuffer[start], tempString, length); tempString[length] = 0; yylval = (object_t *)tempString; return STRING; } /* parse quoted string */ if (c == '"' || c == '\'') { int start, length; char * tempString; char quoteChar = c; start = parseBufferIndex + 1; // skip quote /* find end of string, line, buffer */ while ((c = nextChar()) != quoteChar) { if (c == '\\') c = nextChar(); if (c == '\n') lineNumber++; if (c == 0) return SYNTAX_ERROR; } length = parseBufferIndex - start; /* skip over trailing quote */ (void)nextChar(); /* copy to null terminated buffer */ tempString = (char *)malloc(length + 1); if (tempString == 0) { printf("OSUnserialize: can't alloc temp memory\n"); return 0; } int to = 0; for (int from=start; from < parseBufferIndex; from++) { // hack - skip over backslashes if (parseBuffer[from] == '\\') { length--; continue; } tempString[to] = parseBuffer[from]; to++; } tempString[length] = 0; yylval = (object_t *)tempString; return STRING; } /* process numbers */ if (isDigit (c)) { unsigned long long n = 0; int base = 10; if (c == '0') { c = nextChar(); if (c == 'x') { base = 16; c = nextChar(); } } if (base == 10) { while(isDigit(c)) { n = (n * base + c - '0'); c = nextChar(); } } else { while(isHexDigit(c)) { if (isDigit(c)) { n = (n * base + c - '0'); } else { n = (n * base + 0xa + c - 'a'); } c = nextChar(); } } yylval = newObject(); yylval->u.offset = n; return NUMBER; } #define OSDATA_ALLOC_SIZE 4096 /* process data */ if (c == '<') { unsigned char *d, *start, *lastStart; start = lastStart = d = (unsigned char *)malloc(OSDATA_ALLOC_SIZE); c = nextChar(); // skip over '<' while (c != 0 && c != '>') { if (isSpace(c)) while ((c = nextChar()) != 0 && isSpace(c)) {}; if (c == '#') while ((c = nextChar()) != 0 && c != '\n') {}; if (c == '\n') { lineNumber++; c = nextChar(); continue; } // get high nibble if (!isHexDigit(c)) break; if (isDigit(c)) { *d = (c - '0') << 4; } else { *d = (0xa + (c - 'a')) << 4; } // get low nibble c = nextChar(); if (!isHexDigit(c)) break; if (isDigit(c)) { *d |= c - '0'; } else { *d |= 0xa + (c - 'a'); } d++; if ((d - lastStart) >= OSDATA_ALLOC_SIZE) { int oldsize = d - start; start = (unsigned char *)realloc(start, oldsize + OSDATA_ALLOC_SIZE); d = lastStart = start + oldsize; } c = nextChar(); } if (c != '>' ) { free(start); return SYNTAX_ERROR; } // got it! yylval = newObject(); yylval->object = start; yylval->size = d - start; (void)nextChar(); // skip over '>' return DATA; } /* return single chars, move pointer to next char */ (void)nextChar(); return c; } // !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!# // !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!# // !@$&)(^Q$&*^!$(*!@$_(^%_(*Q#$(_*&!$_(*&!$_(*&!#$(*!@&^!@#%!_!# #ifdef DEBUG int debugUnserializeAllocCount = 0; #endif object_t * newObject() { #ifdef DEBUG debugUnserializeAllocCount++; #endif return (object_t *)malloc(sizeof(object_t)); } void freeObject(object_t *o) { #ifdef DEBUG debugUnserializeAllocCount--; #endif free(o); } static OSDictionary *tags; static void rememberObject(int tag, object_t *o) { char key[16]; sprintf(key, "%u", tag); tags->setObject(key, (OSObject *)o); } static OSObject * retrieveObject(int tag) { char key[16]; sprintf(key, "%u", tag); return tags->getObject(key); } OSObject * buildOSDictionary(object_t *o) { object_t *temp, *last = o; int count = 0; // get count and last object while (o) { count++; last = o; o = o->next; } o = last; OSDictionary *d = OSDictionary::withCapacity(count); while (o) { #ifdef metaclass_stuff_worksXXX if (((OSObject *)o->u.key)->metaCast("OSSymbol")) { // XXX the evil frontdoor d->setObject((OSSymbol *)o->u.key, (OSObject *)o->object); } else { // If it isn't a symbol, I hope it's a string! d->setObject((OSString *)o->u.key, (OSObject *)o->object); } #else d->setObject((OSString *)o->u.key, (OSObject *)o->object); #endif ((OSObject *)o->object)->release(); ((OSObject *)o->u.key)->release(); temp = o; o = o->prev; freeObject(temp); } return d; }; OSObject * buildOSArray(object_t *o) { object_t *temp, *last = o; int count = 0; // get count and last object while (o) { count++; last = o; o = o->next; } o = last; OSArray *a = OSArray::withCapacity(count); while (o) { a->setObject((OSObject *)o->object); ((OSObject *)o->object)->release(); temp = o; o = o->prev; freeObject(temp); } return a; }; OSObject * buildOSSet(object_t *o) { OSArray *a = (OSArray *)buildOSArray(o); OSSet *s = OSSet::withArray(a, a->getCapacity()); a->release(); return s; }; OSObject * buildOSString(object_t *o) { OSString *s = OSString::withCString((char *)o); free(o); return s; }; OSObject * buildOSData(object_t *o) { OSData *d; if (o->size) { d = OSData::withBytes(o->object, o->size); } else { d = OSData::withCapacity(0); } free(o->object); freeObject(o); return d; }; OSObject * buildOSOffset(object_t *o) { OSNumber *off = OSNumber::withNumber(o->u.offset, o->size); freeObject(o); return off; }; OSObject * buildOSBoolean(object_t *o) { OSBoolean *b = OSBoolean::withBoolean((bool)o); return b; }; __BEGIN_DECLS #include __END_DECLS static mutex_t *lock = 0; OSObject* OSUnserialize(const char *buffer, OSString **errorString) { OSObject *object; if (!lock) { lock = mutex_alloc(0); mutex_lock(lock); } else { mutex_lock(lock); } #ifdef DEBUG debugUnserializeAllocCount = 0; #endif yyerror_message[0] = 0; //just in case parseBuffer = buffer; parseBufferIndex = 0; tags = OSDictionary::withCapacity(128); if (yyparse() == 0) { object = parsedObject; if (errorString) *errorString = 0; } else { object = 0; if (errorString) *errorString = OSString::withCString(yyerror_message); } tags->release(); #ifdef DEBUG if (debugUnserializeAllocCount) { printf("OSUnserialize: allocation check failed, count = %d.\n", debugUnserializeAllocCount); } #endif mutex_unlock(lock); return object; } // // // // // // DO NOT EDIT OSUnserialize.cpp! // // this means you! // // // // //