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xnu-68.4-1.1
/* 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 53 "OSUnserialize.y"
#include <libkern/c++/OSMetaClass.h>
#include <libkern/c++/OSContainers.h>
#include <libkern/c++/OSLib.h>
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
#include <stddef.h>
#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,
115, 116, 117, 120, 121, 122, 123, 124, 125, 126,
127, 136, 144, 145, 148, 149, 152, 162, 163, 166,
167, 170, 175, 186, 194, 199, 204
};
#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))
#define YYSTACK_USE_ALLOCA
#include <alloca.h>
#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 <malloc.h>
#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 <malloc.h> */
#pragma alloca
#define YYSTACK_USE_ALLOCA
#else /* not MSDOS, or __TURBOC__, or _AIX */
#if 0
#ifdef __hpux /* [email protected] 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 115 "OSUnserialize.y"
{ parsedObject = (OSObject *)NULL; YYACCEPT; ;
break;}
case 2:
#line 116 "OSUnserialize.y"
{ parsedObject = (OSObject *)yyvsp[0]; YYACCEPT; ;
break;}
case 3:
#line 117 "OSUnserialize.y"
{ yyerror("syntax error"); YYERROR; ;
break;}
case 4:
#line 120 "OSUnserialize.y"
{ yyval = (object_t *)buildOSDictionary(yyvsp[0]); ;
break;}
case 5:
#line 121 "OSUnserialize.y"
{ yyval = (object_t *)buildOSArray(yyvsp[0]); ;
break;}
case 6:
#line 122 "OSUnserialize.y"
{ yyval = (object_t *)buildOSSet(yyvsp[0]); ;
break;}
case 7:
#line 123 "OSUnserialize.y"
{ yyval = (object_t *)buildOSString(yyvsp[0]); ;
break;}
case 8:
#line 124 "OSUnserialize.y"
{ yyval = (object_t *)buildOSData(yyvsp[0]); ;
break;}
case 9:
#line 125 "OSUnserialize.y"
{ yyval = (object_t *)buildOSOffset(yyvsp[0]); ;
break;}
case 10:
#line 126 "OSUnserialize.y"
{ yyval = (object_t *)buildOSBoolean(yyvsp[0]); ;
break;}
case 11:
#line 127 "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 136 "OSUnserialize.y"
{ yyval = yyvsp[-2];
rememberObject(yyvsp[0]->u.offset, yyvsp[-2]);
freeObject(yyvsp[0]);
;
break;}
case 13:
#line 144 "OSUnserialize.y"
{ yyval = NULL; ;
break;}
case 14:
#line 145 "OSUnserialize.y"
{ yyval = yyvsp[-1]; ;
break;}
case 16:
#line 149 "OSUnserialize.y"
{ yyvsp[0]->next = yyvsp[-1]; yyvsp[-1]->prev = yyvsp[0]; yyval = yyvsp[0]; ;
break;}
case 17:
#line 152 "OSUnserialize.y"
{ yyval = newObject();
yyval->next = NULL;
yyval->prev = NULL;
yyval->u.key = yyvsp[-3];
yyval->object = yyvsp[-1];
;
break;}
case 18:
#line 162 "OSUnserialize.y"
{ yyval = NULL; ;
break;}
case 19:
#line 163 "OSUnserialize.y"
{ yyval = yyvsp[-1]; ;
break;}
case 20:
#line 166 "OSUnserialize.y"
{ yyval = NULL; ;
break;}
case 21:
#line 167 "OSUnserialize.y"
{ yyval = yyvsp[-1]; ;
break;}
case 22:
#line 170 "OSUnserialize.y"
{ yyval = newObject();
yyval->object = yyvsp[0];
yyval->next = NULL;
yyval->prev = NULL;
;
break;}
case 23:
#line 175 "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 186 "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;
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++;
msg = (char *) malloc(size + 15);
if (msg != 0)
{
strcpy(msg, "parse error");
if (count < 5)
{
count = 0;
for (x = (yyn < 0 ? -yyn : 0);
x < (sizeof(yytname) / sizeof(char *)); x++)
if (yycheck[x + yyn] == x)
{
strcat(msg, count == 0 ? ", expecting `" : " or `");
strcat(msg, yytname[x]);
strcat(msg, "'");
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 207 "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 <kern/lock.h>
__END_DECLS
static mutex_t *lock = 0;
OSObject*
OSUnserialize(const char *buffer, OSString **errorString)
{
OSObject *object;
if (!lock) {
lock = mutex_alloc(ETAP_IO_AHA);
_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!
//
//
//
//
//
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.