OSUnserializeXML.cpp [plain text]
#define YYBISON 1
#define yyparse OSUnserializeXMLparse
#define yylex OSUnserializeXMLlex
#define yyerror OSUnserializeXMLerror
#define yylval OSUnserializeXMLlval
#define yychar OSUnserializeXMLchar
#define yydebug OSUnserializeXMLdebug
#define yynerrs OSUnserializeXMLnerrs
#define ARRAY 257
#define BOOLEAN 258
#define DATA 259
#define DICTIONARY 260
#define IDREF 261
#define KEY 262
#define NUMBER 263
#define SET 264
#define STRING 265
#define SYNTAX_ERROR 266
#line 52 "OSUnserializeXML.y"
#include <string.h>
#include <libkern/c++/OSMetaClass.h>
#include <libkern/c++/OSContainers.h>
#include <libkern/c++/OSLib.h>
typedef struct object {
struct object *next;
struct object *free;
struct object *elements;
OSObject *object;
const OSSymbol *key; int size;
void *data; char *string; long long number; int idref;
} object_t;
static int yyparse();
static int yyerror(char *s);
static int yylex();
static object_t * newObject();
static void freeObject(object_t *o);
static object_t *buildOSDictionary(object_t *);
static object_t *buildOSArray(object_t *);
static object_t *buildOSSet(object_t *);
static object_t *buildOSString(object_t *);
static object_t *buildKey(object_t *);
static object_t *buildOSData(object_t *);
static object_t *buildOSNumber(object_t *);
static object_t *buildOSBoolean(object_t *o);
static void rememberObject(int, OSObject *);
static object_t *retrieveObject(int);
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 long strtol(const char *, char **, int);
extern unsigned long strtoul(const char *, char **, int);
}
#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 40
#define YYFLAG -32768
#define YYNTBASE 19
#define YYTRANSLATE(x) ((unsigned)(x) <= 266 ? yytranslate[x] : 33)
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, 15,
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,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
17, 2, 18, 2, 2, 2, 2, 2, 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, 2, 14, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 2, 2, 2, 2, 2, 2, 2, 2, 2,
2, 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, 8, 9, 10, 11, 12
};
#if YYDEBUG != 0
static const short yyprhs[] = { 0,
0, 1, 3, 5, 7, 9, 11, 13, 15, 17,
19, 21, 24, 28, 30, 32, 35, 38, 40, 43,
47, 49, 52, 56, 58, 60, 63, 65, 67, 69,
71
};
static const short yyrhs[] = { -1,
20, 0, 12, 0, 21, 0, 25, 0, 26, 0,
32, 0, 29, 0, 31, 0, 28, 0, 30, 0,
13, 14, 0, 13, 22, 14, 0, 6, 0, 23,
0, 22, 23, 0, 24, 20, 0, 8, 0, 15,
16, 0, 15, 27, 16, 0, 3, 0, 17, 18,
0, 17, 27, 18, 0, 10, 0, 20, 0, 27,
20, 0, 4, 0, 5, 0, 7, 0, 9, 0,
11, 0
};
#endif
#if YYDEBUG != 0
static const short yyrline[] = { 0,
123, 124, 129, 135, 136, 137, 138, 139, 140, 141,
142, 155, 158, 161, 164, 165, 170, 178, 183, 186,
189, 192, 195, 198, 201, 204, 211, 214, 217, 220,
223
};
#endif
#if YYDEBUG != 0 || defined (YYERROR_VERBOSE)
static const char * const yytname[] = { "$","error","$undefined.","ARRAY",
"BOOLEAN","DATA","DICTIONARY","IDREF","KEY","NUMBER","SET","STRING","SYNTAX_ERROR",
"'{'","'}'","'('","')'","'['","']'","input","object","dict","pairs","pair","key",
"array","set","elements","boolean","data","idref","number","string", NULL
};
#endif
static const short yyr1[] = { 0,
19, 19, 19, 20, 20, 20, 20, 20, 20, 20,
20, 21, 21, 21, 22, 22, 23, 24, 25, 25,
25, 26, 26, 26, 27, 27, 28, 29, 30, 31,
32
};
static const short yyr2[] = { 0,
0, 1, 1, 1, 1, 1, 1, 1, 1, 1,
1, 2, 3, 1, 1, 2, 2, 1, 2, 3,
1, 2, 3, 1, 1, 2, 1, 1, 1, 1,
1
};
static const short yydefact[] = { 1,
21, 27, 28, 14, 29, 30, 24, 31, 3, 0,
0, 0, 2, 4, 5, 6, 10, 8, 11, 9,
7, 18, 12, 0, 15, 0, 19, 25, 0, 22,
0, 13, 16, 17, 20, 26, 23, 0, 0, 0
};
static const short yydefgoto[] = { 38,
28, 14, 24, 25, 26, 15, 16, 29, 17, 18,
19, 20, 21
};
static const short yypact[] = { 45,
-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768, 4,
60, -2,-32768,-32768,-32768,-32768,-32768,-32768,-32768,-32768,
-32768,-32768,-32768, 6,-32768, 90,-32768,-32768, 75,-32768,
29,-32768,-32768,-32768,-32768,-32768,-32768, 10, 17,-32768
};
static const short yypgoto[] = {-32768,
0,-32768,-32768, -18,-32768,-32768,-32768, 7,-32768,-32768,
-32768,-32768,-32768
};
#define YYLAST 107
static const short yytable[] = { 13,
1, 2, 3, 4, 5, 33, 6, 7, 8, 39,
10, 22, 11, 22, 12, 30, 40, 23, 31, 32,
0, 0, 0, 0, 0, 34, 0, 0, 36, 0,
36, 1, 2, 3, 4, 5, 0, 6, 7, 8,
0, 10, 0, 11, 0, 12, 37, 1, 2, 3,
4, 5, 0, 6, 7, 8, 9, 10, 0, 11,
0, 12, 1, 2, 3, 4, 5, 0, 6, 7,
8, 0, 10, 0, 11, 27, 12, 1, 2, 3,
4, 5, 0, 6, 7, 8, 0, 10, 0, 11,
35, 12, 1, 2, 3, 4, 5, 0, 6, 7,
8, 0, 10, 0, 11, 0, 12
};
static const short yycheck[] = { 0,
3, 4, 5, 6, 7, 24, 9, 10, 11, 0,
13, 8, 15, 8, 17, 18, 0, 14, 12, 14,
-1, -1, -1, -1, -1, 26, -1, -1, 29, -1,
31, 3, 4, 5, 6, 7, -1, 9, 10, 11,
-1, 13, -1, 15, -1, 17, 18, 3, 4, 5,
6, 7, -1, 9, 10, 11, 12, 13, -1, 15,
-1, 17, 3, 4, 5, 6, 7, -1, 9, 10,
11, -1, 13, -1, 15, 16, 17, 3, 4, 5,
6, 7, -1, 9, 10, 11, -1, 13, -1, 15,
16, 17, 3, 4, 5, 6, 7, -1, 9, 10,
11, -1, 13, -1, 15, -1, 17
};
#line 3 "/usr/share/bison.simple"
#ifndef YYSTACK_USE_ALLOCA
#ifdef alloca
#define YYSTACK_USE_ALLOCA
#else
#ifdef __GNUC__
#define YYSTACK_USE_ALLOCA
#define alloca __builtin_alloca
#else
#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
#define YYSTACK_USE_ALLOCA
#include <alloca.h>
#else
#if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
#if 0
#include <malloc.h>
#endif
#else
#if defined(_AIX)
#pragma alloca
#define YYSTACK_USE_ALLOCA
#else
#if 0
#ifdef __hpux
#define YYSTACK_USE_ALLOCA
#define alloca __builtin_alloca
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#endif
#ifdef YYSTACK_USE_ALLOCA
#define YYSTACK_ALLOC alloca
#else
#define YYSTACK_ALLOC malloc
#endif
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
#define YYERROR goto yyerrlab1
#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
#ifdef YYLEX_PARAM
#define YYLEX yylex(&yylval, YYLEX_PARAM)
#else
#define YYLEX yylex(&yylval)
#endif
#endif
#endif
#ifndef YYPURE
int yychar;
YYSTYPE yylval;
#ifdef YYLSP_NEEDED
YYLTYPE yylloc;
#endif
int yynerrs;
#endif
#if YYDEBUG != 0
int yydebug;
#endif
#ifndef YYINITDEPTH
#define YYINITDEPTH 200
#endif
#if YYMAXDEPTH == 0
#undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
#define YYMAXDEPTH 10000
#endif
#if __GNUC__ > 1
#define __yy_memcpy(TO,FROM,COUNT) __builtin_memcpy(TO,FROM,COUNT)
#else
#ifndef __cplusplus
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
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"
#ifdef YYPARSE_PARAM
#ifdef __cplusplus
#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
#define YYPARSE_PARAM_DECL
#else
#define YYPARSE_PARAM_ARG YYPARSE_PARAM
#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
#endif
#else
#define YYPARSE_PARAM_ARG
#define YYPARSE_PARAM_DECL
#endif
#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;
int yychar1 = 0;
short yyssa[YYINITDEPTH];
YYSTYPE yyvsa[YYINITDEPTH];
short *yyss = yyssa;
YYSTYPE *yyvs = yyvsa;
#ifdef YYLSP_NEEDED
YYLTYPE yylsa[YYINITDEPTH];
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;
int yylen;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Starting parse\n");
#endif
yystate = 0;
yyerrstatus = 0;
yynerrs = 0;
yychar = YYEMPTY;
yyssp = yyss - 1;
yyvsp = yyvs;
#ifdef YYLSP_NEEDED
yylsp = yyls;
#endif
yynewstate:
*++yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
YYSTYPE *yyvs1 = yyvs;
short *yyss1 = yyss;
#ifdef YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
#endif
int size = yyssp - yyss + 1;
#ifdef yyoverflow
#ifdef YYLSP_NEEDED
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
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
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:
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yydefault;
if (yychar == YYEMPTY)
{
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Reading a token: ");
#endif
yychar = YYLEX;
}
if (yychar <= 0)
{
yychar1 = 0;
yychar = YYEOF;
#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]);
#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];
if (yyn < 0)
{
if (yyn == YYFLAG)
goto yyerrlab;
yyn = -yyn;
goto yyreduce;
}
else if (yyn == 0)
goto yyerrlab;
if (yyn == YYFINAL)
YYACCEPT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
#endif
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
#ifdef YYLSP_NEEDED
*++yylsp = yylloc;
#endif
if (yyerrstatus) yyerrstatus--;
yystate = yyn;
goto yynewstate;
yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
yyreduce:
yylen = yyr2[yyn];
if (yylen > 0)
yyval = yyvsp[1-yylen];
#if YYDEBUG != 0
if (yydebug)
{
int i;
fprintf (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
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 123 "OSUnserializeXML.y"
{ parsedObject = (OSObject *)NULL; YYACCEPT; ;
break;}
case 2:
#line 124 "OSUnserializeXML.y"
{ parsedObject = yyvsp[0]->object;
yyvsp[0]->object = 0;
freeObject(yyvsp[0]);
YYACCEPT;
;
break;}
case 3:
#line 129 "OSUnserializeXML.y"
{
yyerror("syntax error");
YYERROR;
;
break;}
case 4:
#line 135 "OSUnserializeXML.y"
{ yyval = buildOSDictionary(yyvsp[0]); ;
break;}
case 5:
#line 136 "OSUnserializeXML.y"
{ yyval = buildOSArray(yyvsp[0]); ;
break;}
case 6:
#line 137 "OSUnserializeXML.y"
{ yyval = buildOSSet(yyvsp[0]); ;
break;}
case 7:
#line 138 "OSUnserializeXML.y"
{ yyval = buildOSString(yyvsp[0]); ;
break;}
case 8:
#line 139 "OSUnserializeXML.y"
{ yyval = buildOSData(yyvsp[0]); ;
break;}
case 9:
#line 140 "OSUnserializeXML.y"
{ yyval = buildOSNumber(yyvsp[0]); ;
break;}
case 10:
#line 141 "OSUnserializeXML.y"
{ yyval = buildOSBoolean(yyvsp[0]); ;
break;}
case 11:
#line 142 "OSUnserializeXML.y"
{ yyval = retrieveObject(yyvsp[0]->idref);
if (yyval) {
yyval->object->retain();
} else {
yyerror("forward reference detected");
YYERROR;
}
freeObject(yyvsp[0]);
;
break;}
case 12:
#line 155 "OSUnserializeXML.y"
{ yyval = yyvsp[-1];
yyval->elements = NULL;
;
break;}
case 13:
#line 158 "OSUnserializeXML.y"
{ yyval = yyvsp[-2];
yyval->elements = yyvsp[-1];
;
break;}
case 16:
#line 165 "OSUnserializeXML.y"
{ yyval = yyvsp[0];
yyval->next = yyvsp[-1];
;
break;}
case 17:
#line 170 "OSUnserializeXML.y"
{ yyval = yyvsp[-1];
yyval->next = NULL;
yyval->object = yyvsp[0]->object;
yyvsp[0]->object = 0;
freeObject(yyvsp[0]);
;
break;}
case 18:
#line 178 "OSUnserializeXML.y"
{ yyval = buildKey(yyvsp[0]); ;
break;}
case 19:
#line 183 "OSUnserializeXML.y"
{ yyval = yyvsp[-1];
yyval->elements = NULL;
;
break;}
case 20:
#line 186 "OSUnserializeXML.y"
{ yyval = yyvsp[-2];
yyval->elements = yyvsp[-1];
;
break;}
case 22:
#line 192 "OSUnserializeXML.y"
{ yyval = yyvsp[-1];
yyval->elements = NULL;
;
break;}
case 23:
#line 195 "OSUnserializeXML.y"
{ yyval = yyvsp[-2];
yyval->elements = yyvsp[-1];
;
break;}
case 25:
#line 201 "OSUnserializeXML.y"
{ yyval = yyvsp[0];
yyval->next = NULL;
;
break;}
case 26:
#line 204 "OSUnserializeXML.y"
{ yyval = yyvsp[0];
yyval->next = yyvsp[-1];
;
break;}
}
#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
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:
if (! yyerrstatus)
{
++yynerrs;
#ifdef YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
int size = 0;
char *msg;
int x, count;
count = 0;
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("parse error");
}
goto yyerrlab1;
yyerrlab1:
if (yyerrstatus == 3)
{
if (yychar == YYEOF)
YYABORT;
#if YYDEBUG != 0
if (yydebug)
fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
#endif
yychar = YYEMPTY;
}
yyerrstatus = 3;
goto yyerrhandle;
yyerrdefault:
#if 0
yyn = yydefact[yystate];
if (yyn) goto yydefault;
#endif
yyerrpop:
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:
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
#ifdef YYLSP_NEEDED
free (yyls);
#endif
}
return 0;
yyabortlab:
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
#ifdef YYLSP_NEEDED
free (yyls);
#endif
}
return 1;
}
#line 226 "OSUnserializeXML.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)
{
sprintf(yyerror_message, "OSUnserializeXML: %s near line %d\n", s, lineNumber);
return 0;
}
#define TAG_MAX_LENGTH 32
#define TAG_MAX_ATTRIBUTES 32
#define TAG_BAD 0
#define TAG_START 1
#define TAG_END 2
#define TAG_EMPTY 3
#define TAG_COMMENT 4
static int
getTag(char tag[TAG_MAX_LENGTH],
int *attributeCount,
char attributes[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH],
char values[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH] )
{
int length = 0;;
int c = currentChar();
int tagType = TAG_START;
*attributeCount = 0;
if (c != '<') return TAG_BAD;
c = nextChar();
if (c == '?' || c == '!') {
while ((c = nextChar()) != 0) {
if (c == '\n') lineNumber++;
if (c == '>') {
(void)nextChar();
return TAG_COMMENT;
}
}
}
if (c == '/') {
c = nextChar(); tagType = TAG_END;
}
if (!isAlpha(c)) return TAG_BAD;
while (isAlphaNumeric(c)) {
tag[length++] = c;
c = nextChar();
if (length >= (TAG_MAX_LENGTH - 1)) return TAG_BAD;
}
tag[length] = 0;
while ((c != '>') && (c != '/')) {
while (isSpace(c)) c = nextChar();
length = 0;
while (isAlphaNumeric(c)) {
attributes[*attributeCount][length++] = c;
if (length >= (TAG_MAX_LENGTH - 1)) return TAG_BAD;
c = nextChar();
}
attributes[*attributeCount][length] = 0;
while (isSpace(c)) c = nextChar();
if (c != '=') return TAG_BAD;
c = nextChar();
while (isSpace(c)) c = nextChar();
if (c != '"') return TAG_BAD;
c = nextChar();
length = 0;
while (c != '"') {
values[*attributeCount][length++] = c;
if (length >= (TAG_MAX_LENGTH - 1)) return TAG_BAD;
c = nextChar();
}
values[*attributeCount][length] = 0;
c = nextChar();
(*attributeCount)++;
if (*attributeCount >= TAG_MAX_ATTRIBUTES) return TAG_BAD;
}
if (c == '/') {
c = nextChar(); tagType = TAG_EMPTY;
}
if (c != '>') return TAG_BAD;
c = nextChar();
return tagType;
}
static char *
getString()
{
int c = currentChar();
int start, length, i, j;;
char * tempString;
start = parseBufferIndex;
while (c != 0) {
if (c == '\n') lineNumber++;
if (c == '<') {
break;
}
c = nextChar();
}
if (c != '<') return 0;
length = parseBufferIndex - start;
tempString = (char *)malloc(length + 1);
if (tempString == 0) {
printf("OSUnserializeXML: can't alloc temp memory\n");
return 0;
}
i = j = 0;
while (i < length) {
c = parseBuffer[start + i++];
if (c != '&') {
tempString[j++] = c;
} else {
if ((i+3) > length) goto error;
c = parseBuffer[start + i++];
if (c == 'l') {
if (parseBuffer[start + i++] != 't') goto error;
if (parseBuffer[start + i++] != ';') goto error;
tempString[j++] = '<';
continue;
}
if (c == 'g') {
if (parseBuffer[start + i++] != 't') goto error;
if (parseBuffer[start + i++] != ';') goto error;
tempString[j++] = '>';
continue;
}
if ((i+3) > length) goto error;
if (c == 'a') {
if (parseBuffer[start + i++] != 'm') goto error;
if (parseBuffer[start + i++] != 'p') goto error;
if (parseBuffer[start + i++] != ';') goto error;
tempString[j++] = '&';
continue;
}
goto error;
}
}
tempString[j] = 0;
return tempString;
error:
if (tempString) free(tempString);
return 0;
}
static long long
getNumber()
{
unsigned long long n = 0;
int base = 10;
int c = currentChar();
if (!isDigit (c)) return 0;
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();
}
}
return n;
}
static const signed char __CFPLDataDecodeTable[128] = {
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, 62, -1, -1, -1, 63,
52, 53, 54, 55, 56, 57, 58, 59,
60, 61, -1, -1, -1, 0, -1, -1,
-1, 0, 1, 2, 3, 4, 5, 6,
7, 8, 9, 10, 11, 12, 13, 14,
15, 16, 17, 18, 19, 20, 21, 22,
23, 24, 25, -1, -1, -1, -1, -1,
-1, 26, 27, 28, 29, 30, 31, 32,
33, 34, 35, 36, 37, 38, 39, 40,
41, 42, 43, 44, 45, 46, 47, 48,
49, 50, 51, -1, -1, -1, -1, -1
};
#define OSDATA_ALLOC_SIZE 4096
static void *
getCFEncodedData(unsigned int *size)
{
int numeq = 0, acc = 0, cntr = 0;
int tmpbufpos = 0, tmpbuflen = 0;
unsigned char *tmpbuf = (unsigned char *)malloc(OSDATA_ALLOC_SIZE);
int c = currentChar();
*size = 0;
while (c != '<') {
c &= 0x7f;
if (c == 0) {
free(tmpbuf);
return 0;
}
if (c == '=') numeq++; else numeq = 0;
if (c == '\n') lineNumber++;
if (__CFPLDataDecodeTable[c] < 0) {
c = nextChar();
continue;
}
cntr++;
acc <<= 6;
acc += __CFPLDataDecodeTable[c];
if (0 == (cntr & 0x3)) {
if (tmpbuflen <= tmpbufpos + 2) {
tmpbuflen += OSDATA_ALLOC_SIZE;
tmpbuf = (unsigned char *)realloc(tmpbuf, tmpbuflen);
}
tmpbuf[tmpbufpos++] = (acc >> 16) & 0xff;
if (numeq < 2)
tmpbuf[tmpbufpos++] = (acc >> 8) & 0xff;
if (numeq < 1)
tmpbuf[tmpbufpos++] = acc & 0xff;
}
c = nextChar();
}
*size = tmpbufpos;
return tmpbuf;
}
static void *
getHexData(unsigned int *size)
{
int c;
unsigned char *d, *start, *lastStart;
start = lastStart = d = (unsigned char *)malloc(OSDATA_ALLOC_SIZE);
c = currentChar();
while (c != '<') {
if (isSpace(c)) while ((c = nextChar()) != 0 && isSpace(c)) {};
if (c == '\n') {
lineNumber++;
c = nextChar();
continue;
}
if (isDigit(c)) {
*d = (c - '0') << 4;
} else if (isAlphaDigit(c)) {
*d = (0xa + (c - 'a')) << 4;
} else {
goto error;
}
c = nextChar();
if (isDigit(c)) {
*d |= c - '0';
} else if (isAlphaDigit(c)) {
*d |= 0xa + (c - 'a');
} else {
goto error;
}
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();
}
*size = d - start;
return start;
error:
*size = 0;
free(start);
return 0;
}
static int
yylex()
{
int c;
int tagType;
char tag[TAG_MAX_LENGTH];
int attributeCount;
char attributes[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH];
char values[TAG_MAX_ATTRIBUTES][TAG_MAX_LENGTH];
if (parseBufferIndex == 0) lineNumber = 1;
top:
c = currentChar();
if (isSpace(c)) while ((c = nextChar()) != 0 && isSpace(c)) {};
if (c == '\n') {
lineNumber++;
(void)nextChar();
goto top;
}
if (!c) return c;
tagType = getTag(tag, &attributeCount, attributes, values);
if (tagType == TAG_BAD) return SYNTAX_ERROR;
if (tagType == TAG_COMMENT) goto top;
yylval = newObject();
yylval->idref = -1;
for (int i=0; i < attributeCount; i++) {
if (attributes[i][0] == 'I' && attributes[i][1] == 'D') {
if (attributes[i][2] == 'R' && attributes[i][3] == 'E' &&
attributes[i][4] == 'F' && !attributes[i][5]) {
if (tagType != TAG_EMPTY) return SYNTAX_ERROR;
yylval->idref = strtol(values[i], NULL, 0);
return IDREF;
}
if (!attributes[i][2]) {
yylval->idref = strtol(values[i], NULL, 0);
} else {
return SYNTAX_ERROR;
}
}
}
switch (*tag) {
case 'a':
if (!strcmp(tag, "array")) {
if (tagType == TAG_EMPTY) {
yylval->elements = NULL;
return ARRAY;
}
return (tagType == TAG_START) ? '(' : ')';
}
break;
case 'd':
if (!strcmp(tag, "dict")) {
if (tagType == TAG_EMPTY) {
yylval->elements = NULL;
return DICTIONARY;
}
return (tagType == TAG_START) ? '{' : '}';
}
if (!strcmp(tag, "data")) {
unsigned int size;
int readable = 0;
if (tagType == TAG_EMPTY) {
yylval->data = NULL;
yylval->size = 0;
return DATA;
}
for (int i=0; i < attributeCount; i++) {
if (!strcmp(attributes[i], "format") && !strcmp(values[i], "hex")) {
readable++;
break;
}
}
if (readable) {
yylval->data = getHexData(&size);
} else {
yylval->data = getCFEncodedData(&size);
}
yylval->size = size;
if ((getTag(tag, &attributeCount, attributes, values) != TAG_END) || strcmp(tag, "data")) {
return SYNTAX_ERROR;
}
return DATA;
}
break;
case 'f':
if (!strcmp(tag, "false")) {
if (tagType == TAG_EMPTY) {
yylval->number = 0;
return BOOLEAN;
}
}
break;
case 'i':
if (!strcmp(tag, "integer")) {
yylval->size = 64; for (int i=0; i < attributeCount; i++) {
if (!strcmp(attributes[i], "size")) {
yylval->size = strtoul(values[i], NULL, 0);
}
}
if (tagType == TAG_EMPTY) {
yylval->number = 0;
return NUMBER;
}
yylval->number = getNumber();
if ((getTag(tag, &attributeCount, attributes, values) != TAG_END) || strcmp(tag, "integer")) {
return SYNTAX_ERROR;
}
return NUMBER;
}
break;
case 'k':
if (!strcmp(tag, "key")) {
if (tagType == TAG_EMPTY) return SYNTAX_ERROR;
yylval->string = getString();
if (!yylval->string) {
return SYNTAX_ERROR;
}
if ((getTag(tag, &attributeCount, attributes, values) != TAG_END)
|| strcmp(tag, "key")) {
return SYNTAX_ERROR;
}
return KEY;
}
break;
case 'p':
if (!strcmp(tag, "plist")) {
freeObject(yylval);
goto top;
}
break;
case 's':
if (!strcmp(tag, "string")) {
if (tagType == TAG_EMPTY) {
yylval->string = (char *)malloc(1);
*yylval->string = 0;
return STRING;
}
yylval->string = getString();
if (!yylval->string) {
return SYNTAX_ERROR;
}
if ((getTag(tag, &attributeCount, attributes, values) != TAG_END)
|| strcmp(tag, "string")) {
return SYNTAX_ERROR;
}
return STRING;
}
if (!strcmp(tag, "set")) {
if (tagType == TAG_EMPTY) {
yylval->elements = NULL;
return SET;;
}
if (tagType == TAG_START) {
return '[';
} else {
return ']';
}
}
break;
case 't':
if (!strcmp(tag, "true")) {
if (tagType == TAG_EMPTY) {
yylval->number = 1;
return BOOLEAN;
}
}
break;
default:
return SYNTAX_ERROR;
break;
}
return 0;
}
static object_t *objects = 0;
static object_t *freeObjects = 0;
object_t *
newObject()
{
object_t *o;
if (freeObjects) {
o = freeObjects;
freeObjects = freeObjects->next;
} else {
o = (object_t *)malloc(sizeof(object_t));
bzero(o, sizeof(object_t));
o->free = objects;
objects = o;
}
return o;
}
void
freeObject(object_t *o)
{
o->next = freeObjects;
freeObjects = o;
}
void
cleanupObjects()
{
object_t *t, *o = objects;
while (o) {
if (o->object) {
printf("OSUnserializeXML: releasing object o=%x object=%x\n", (int)o, (int)o->object);
o->object->release();
}
if (o->data) {
printf("OSUnserializeXML: freeing object o=%x data=%x\n", (int)o, (int)o->data);
free(o->data);
}
if (o->key) {
printf("OSUnserializeXML: releasing object o=%x key=%x\n", (int)o, (int)o->key);
o->key->release();
}
if (o->string) {
printf("OSUnserializeXML: freeing object o=%x string=%x\n", (int)o, (int)o->string);
free(o->string);
}
t = o;
o = o->free;
free(t);
}
}
static OSDictionary *tags;
static void
rememberObject(int tag, OSObject *o)
{
char key[16];
sprintf(key, "%u", tag);
tags->setObject(key, o);
}
static object_t *
retrieveObject(int tag)
{
char key[16];
sprintf(key, "%u", tag);
OSObject *ref = tags->getObject(key);
if (!ref) return 0;
object_t *o = newObject();
o->object = ref;
return o;
}
object_t *
buildOSDictionary(object_t * header)
{
object_t *o, *t;
int count = 0;
o = header->elements;
header->elements = 0;
while (o) {
count++;
t = o;
o = o->next;
t->next = header->elements;
header->elements = t;
}
OSDictionary *d = OSDictionary::withCapacity(count);
if (header->idref >= 0) rememberObject(header->idref, d);
o = header->elements;
while (o) {
d->setObject(o->key, o->object);
o->object->release();
o->object = 0;
o->key->release();
o->key = 0;
t = o;
o = o->next;
freeObject(t);
}
o = header;
o->object = d;
return o;
};
object_t *
buildOSArray(object_t * header)
{
object_t *o, *t;
int count = 0;
o = header->elements;
header->elements = 0;
while (o) {
count++;
t = o;
o = o->next;
t->next = header->elements;
header->elements = t;
}
OSArray *a = OSArray::withCapacity(count);
if (header->idref >= 0) rememberObject(header->idref, a);
o = header->elements;
while (o) {
a->setObject(o->object);
o->object->release();
o->object = 0;
t = o;
o = o->next;
freeObject(t);
}
o = header;
o->object = a;
return o;
};
object_t *
buildOSSet(object_t *o)
{
o = buildOSArray(o);
OSArray *a = (OSArray *)o->object;
OSSet *s = OSSet::withArray(a, a->getCapacity());
if (o->idref >= 0) rememberObject(o->idref, s);
a->release();
o->object = s;
return o;
};
object_t *
buildOSString(object_t *o)
{
OSString *s = OSString::withCString(o->string);
if (o->idref >= 0) rememberObject(o->idref, s);
free(o->string);
o->string = 0;
o->object = s;
return o;
};
object_t *
buildKey(object_t *o)
{
const OSSymbol *s = OSSymbol::withCString(o->string);
free(o->string);
o->string = 0;
o->key = s;
return o;
};
object_t *
buildOSData(object_t *o)
{
OSData *d;
if (o->size) {
d = OSData::withBytes(o->data, o->size);
free(o->data);
} else {
d = OSData::withCapacity(0);
}
if (o->idref >= 0) rememberObject(o->idref, d);
o->data = 0;
o->object = d;
return o;
};
object_t *
buildOSNumber(object_t *o)
{
OSNumber *n = OSNumber::withNumber(o->number, o->size);
if (o->idref >= 0) rememberObject(o->idref, n);
o->object = n;
return o;
};
object_t *
buildOSBoolean(object_t *o)
{
OSBoolean *b = OSBoolean::withBoolean(o->number != 0);
o->object = b;
return o;
};
__BEGIN_DECLS
#include <kern/lock.h>
__END_DECLS
static mutex_t *lock = 0;
OSObject*
OSUnserializeXML(const char *buffer, OSString **errorString)
{
OSObject *object;
if (!lock) {
lock = mutex_alloc(ETAP_IO_AHA);
mutex_lock(lock);
} else {
mutex_lock(lock);
}
objects = 0;
freeObjects = 0;
yyerror_message[0] = 0; 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);
}
cleanupObjects();
tags->release();
mutex_unlock(lock);
return object;
}