Files
baseia.qvm/code/tools/lcc/lburg/gram.c
2025-07-20 22:56:27 -03:00

1529 lines
49 KiB
C

/* original parser id follows */
/* yysccsid[] = "@(#)yaccpar 1.9 (Berkeley) 02/21/93" */
/* (use YYMAJOR/YYMINOR for ifdefs dependent on parser version) */
#define YYBYACC 1
#define YYMAJOR 2
#define YYMINOR 0
#define YYEMPTY (-1)
#define yyclearin (yychar = YYEMPTY)
#define yyerrok (yyerrflag = 0)
#define YYRECOVERING() (yyerrflag != 0)
#define YYENOMEM (-2)
#define YYEOF 0
#undef YYBTYACC
#define YYBTYACC 0
#define YYDEBUGSTR YYPREFIX "debug"
#define YYPREFIX "yy"
#define YYPURE 0
#line 2 "code/tools/lcc/lburg/gram.y"
#include <stdio.h>
#include "lburg.h"
static char rcsid[] = "$Id: gram.y 145 2001-10-17 21:53:10Z timo $";
/*lint -e616 -e527 -e652 -esym(552,yynerrs) -esym(563,yynewstate,yyerrlab) */
static int yylineno = 0;
#ifdef YYSTYPE
#undef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
#endif
#ifndef YYSTYPE_IS_DECLARED
#define YYSTYPE_IS_DECLARED 1
#line 8 "code/tools/lcc/lburg/gram.y"
typedef union {
int n;
char *string;
Tree tree;
} YYSTYPE;
#endif /* !YYSTYPE_IS_DECLARED */
#line 42 "y.tab.c"
/* compatibility with bison */
#ifdef YYPARSE_PARAM
/* compatibility with FreeBSD */
# ifdef YYPARSE_PARAM_TYPE
# define YYPARSE_DECL() yyparse(YYPARSE_PARAM_TYPE YYPARSE_PARAM)
# else
# define YYPARSE_DECL() yyparse(void *YYPARSE_PARAM)
# endif
#else
# define YYPARSE_DECL() yyparse(void)
#endif
/* Parameters sent to lex. */
#ifdef YYLEX_PARAM
# define YYLEX_DECL() yylex(void *YYLEX_PARAM)
# define YYLEX yylex(YYLEX_PARAM)
#else
# define YYLEX_DECL() yylex(void)
# define YYLEX yylex()
#endif
#if !(defined(yylex) || defined(YYSTATE))
int YYLEX_DECL();
#endif
/* Parameters sent to yyerror. */
#ifndef YYERROR_DECL
#define YYERROR_DECL() yyerror(const char *s)
#endif
#ifndef YYERROR_CALL
#define YYERROR_CALL(msg) yyerror(msg)
#endif
extern int YYPARSE_DECL();
#define TERMINAL 257
#define START 258
#define PPERCENT 259
#define ID 260
#define TEMPLATE 261
#define CODE 262
#define INT 263
#define YYERRCODE 256
typedef int YYINT;
static const YYINT yylhs[] = { -1,
0, 0, 4, 4, 6, 6, 6, 6, 7, 7,
5, 5, 5, 5, 1, 3, 3, 3, 2,
};
static const YYINT yylen[] = { 2,
3, 1, 0, 2, 3, 3, 1, 2, 0, 4,
0, 7, 2, 3, 1, 1, 4, 6, 1,
};
static const YYINT yydefred[] = { 3,
0, 0, 0, 9, 0, 11, 7, 4, 8, 0,
15, 0, 0, 0, 5, 6, 0, 13, 0, 0,
14, 0, 10, 0, 0, 0, 0, 0, 19, 0,
17, 0, 12, 0, 18,
};
#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
static const YYINT yystos[] = { 0,
265, 269, 256, 257, 258, 259, 10, 271, 10, 272,
260, 266, 270, 260, 10, 10, 256, 10, 266, 61,
10, 58, 263, 260, 268, 40, 261, 268, 262, 267,
41, 44, 10, 268, 41,
};
#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
static const YYINT yydgoto[] = { 1,
12, 30, 25, 2, 13, 8, 10,
};
static const YYINT yysindex[] = { 0,
0, -4, -2, 0, -250, 0, 0, 0, 0, -9,
0, 1, -10, -49, 0, 0, 3, 0, -44, -248,
0, -244, 0, -22, -242, -244, -245, -37, 0, 10,
0, -244, 0, -20, 0,
};
static const YYINT yyrindex[] = { 0,
0, 22, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 23, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, -39, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
};
#if YYBTYACC
static const YYINT yycindex[] = { 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0,
};
#endif
static const YYINT yygindex[] = { 0,
11, 0, -23, 0, 0, 0, 0,
};
#define YYTABLESIZE 255
static const YYINT yytable[] = { 18,
15, 16, 28, 31, 16, 7, 32, 9, 34, 11,
16, 20, 21, 22, 23, 24, 29, 26, 27, 33,
35, 2, 1, 19, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 16, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
0, 0, 0, 0, 0, 17, 0, 0, 0, 11,
14, 3, 4, 5, 6,
};
static const YYINT yycheck[] = { 10,
10, 41, 26, 41, 44, 10, 44, 10, 32, 260,
10, 61, 10, 58, 263, 260, 262, 40, 261, 10,
41, 0, 0, 13, -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, -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,
-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, -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, -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, 261, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, -1, -1, -1, -1, -1,
-1, -1, -1, -1, -1, 256, -1, -1, -1, 260,
260, 256, 257, 258, 259,
};
#if YYBTYACC
static const YYINT yyctable[] = { -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, -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, -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, -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, -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, -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,
};
#endif
#define YYFINAL 1
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 263
#define YYUNDFTOKEN 273
#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
#if YYDEBUG
static const char *const yyname[] = {
"$end",0,0,0,0,0,0,0,0,0,"'\\n'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,"'('","')'",0,0,"','",0,0,0,0,0,0,0,0,0,0,0,0,0,"':'",0,0,"'='",0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error",
"TERMINAL","START","PPERCENT","ID","TEMPLATE","CODE","INT","$accept","spec",
"nonterm","cost","tree","decls","rules","decl","blist","illegal-symbol",
};
static const char *const yyrule[] = {
"$accept : spec",
"spec : decls PPERCENT rules",
"spec : decls",
"decls :",
"decls : decls decl",
"decl : TERMINAL blist '\\n'",
"decl : START nonterm '\\n'",
"decl : '\\n'",
"decl : error '\\n'",
"blist :",
"blist : blist ID '=' INT",
"rules :",
"rules : rules nonterm ':' tree TEMPLATE cost '\\n'",
"rules : rules '\\n'",
"rules : rules error '\\n'",
"nonterm : ID",
"tree : ID",
"tree : ID '(' tree ')'",
"tree : ID '(' tree ',' tree ')'",
"cost : CODE",
};
#endif
#if YYDEBUG
int yydebug;
#endif
int yyerrflag;
int yychar;
YYSTYPE yyval;
YYSTYPE yylval;
int yynerrs;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYLTYPE yyloc; /* position returned by actions */
YYLTYPE yylloc; /* position from the lexer */
#endif
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
#ifndef YYLLOC_DEFAULT
#define YYLLOC_DEFAULT(loc, rhs, n) \
do \
{ \
if (n == 0) \
{ \
(loc).first_line = YYRHSLOC(rhs, 0).last_line; \
(loc).first_column = YYRHSLOC(rhs, 0).last_column; \
(loc).last_line = YYRHSLOC(rhs, 0).last_line; \
(loc).last_column = YYRHSLOC(rhs, 0).last_column; \
} \
else \
{ \
(loc).first_line = YYRHSLOC(rhs, 1).first_line; \
(loc).first_column = YYRHSLOC(rhs, 1).first_column; \
(loc).last_line = YYRHSLOC(rhs, n).last_line; \
(loc).last_column = YYRHSLOC(rhs, n).last_column; \
} \
} while (0)
#endif /* YYLLOC_DEFAULT */
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
#if YYBTYACC
#ifndef YYLVQUEUEGROWTH
#define YYLVQUEUEGROWTH 32
#endif
#endif /* YYBTYACC */
/* define the initial stack-sizes */
#ifdef YYSTACKSIZE
#undef YYMAXDEPTH
#define YYMAXDEPTH YYSTACKSIZE
#else
#ifdef YYMAXDEPTH
#define YYSTACKSIZE YYMAXDEPTH
#else
#define YYSTACKSIZE 10000
#define YYMAXDEPTH 10000
#endif
#endif
#ifndef YYINITSTACKSIZE
#define YYINITSTACKSIZE 200
#endif
typedef struct {
unsigned stacksize;
YYINT *s_base;
YYINT *s_mark;
YYINT *s_last;
YYSTYPE *l_base;
YYSTYPE *l_mark;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYLTYPE *p_base;
YYLTYPE *p_mark;
#endif
} YYSTACKDATA;
#if YYBTYACC
struct YYParseState_s
{
struct YYParseState_s *save; /* Previously saved parser state */
YYSTACKDATA yystack; /* saved parser stack */
int state; /* saved parser state */
int errflag; /* saved error recovery status */
int lexeme; /* saved index of the conflict lexeme in the lexical queue */
YYINT ctry; /* saved index in yyctable[] for this conflict */
};
typedef struct YYParseState_s YYParseState;
#endif /* YYBTYACC */
/* variables for the parser stack */
static YYSTACKDATA yystack;
#if YYBTYACC
/* Current parser state */
static YYParseState *yyps = 0;
/* yypath != NULL: do the full parse, starting at *yypath parser state. */
static YYParseState *yypath = 0;
/* Base of the lexical value queue */
static YYSTYPE *yylvals = 0;
/* Current position at lexical value queue */
static YYSTYPE *yylvp = 0;
/* End position of lexical value queue */
static YYSTYPE *yylve = 0;
/* The last allocated position at the lexical value queue */
static YYSTYPE *yylvlim = 0;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
/* Base of the lexical position queue */
static YYLTYPE *yylpsns = 0;
/* Current position at lexical position queue */
static YYLTYPE *yylpp = 0;
/* End position of lexical position queue */
static YYLTYPE *yylpe = 0;
/* The last allocated position at the lexical position queue */
static YYLTYPE *yylplim = 0;
#endif
/* Current position at lexical token queue */
static YYINT *yylexp = 0;
static YYINT *yylexemes = 0;
#endif /* YYBTYACC */
#line 60 "code/tools/lcc/lburg/gram.y"
#include <assert.h>
#include <stdarg.h>
#include <ctype.h>
#include <string.h>
#include <limits.h>
int errcnt = 0;
FILE *infp = NULL;
FILE *outfp = NULL;
static char buf[BUFSIZ], *bp = buf;
static int ppercent = 0;
static int code = 0;
static void crlf_to_lf(char *buf, int bufmax) {
int i, count;
count = 0;
for (i = 0; i < bufmax; i++) {
if (buf[i] == '\r' && buf[i+1] == '\n') {
// skip '\r'
continue;
}
buf[count++] = buf[i];
if (buf[i] == '\0') {
break;
}
}
}
static int get(void) {
if (*bp == 0) {
bp = buf;
*bp = 0;
if (fgets(buf, sizeof buf, infp) == NULL)
return EOF;
crlf_to_lf(buf, sizeof buf);
yylineno++;
while (buf[0] == '%' && buf[1] == '{' && buf[2] == '\n') {
for (;;) {
if (fgets(buf, sizeof buf, infp) == NULL) {
yywarn("unterminated %{...%}\n");
return EOF;
}
crlf_to_lf(buf, sizeof buf);
yylineno++;
if (strcmp(buf, "%}\n") == 0)
break;
fputs(buf, outfp);
}
if (fgets(buf, sizeof buf, infp) == NULL)
return EOF;
crlf_to_lf(buf, sizeof buf);
yylineno++;
}
}
return *bp++;
}
void yyerror(char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
if (yylineno > 0)
fprintf(stderr, "line %d: ", yylineno);
vfprintf(stderr, fmt, ap);
if (fmt[strlen(fmt)-1] != '\n')
fprintf(stderr, "\n");
errcnt++;
va_end(ap);
}
int yylex(void) {
int c;
if (code) {
char *p;
bp += strspn(bp, " \t\f");
p = strchr(bp, '\n');
if (p == NULL)
p = strchr(bp, '\n');
while (p > bp && isspace(p[-1]))
p--;
yylval.string = alloc(p - bp + 1);
strncpy(yylval.string, bp, p - bp);
yylval.string[p - bp] = 0;
bp = p;
code--;
return CODE;
}
while ((c = get()) != EOF) {
switch (c) {
case ' ': case '\f': case '\t':
continue;
case '\n':
case '(': case ')': case ',':
case ':': case '=':
return c;
}
if (c == '%' && *bp == '%') {
bp++;
return ppercent++ ? 0 : PPERCENT;
} else if (c == '%' && strncmp(bp, "term", 4) == 0
&& isspace(bp[4])) {
bp += 4;
return TERMINAL;
} else if (c == '%' && strncmp(bp, "start", 5) == 0
&& isspace(bp[5])) {
bp += 5;
return START;
} else if (c == '"') {
char *p = strchr(bp, '"');
if (p == NULL) {
yyerror("missing \" in assembler template\n");
p = strchr(bp, '\n');
if (p == NULL)
p = strchr(bp, '\0');
}
assert(p);
yylval.string = alloc(p - bp + 1);
strncpy(yylval.string, bp, p - bp);
yylval.string[p - bp] = 0;
bp = *p == '"' ? p + 1 : p;
code++;
return TEMPLATE;
} else if (isdigit(c)) {
int n = 0;
do {
int d = c - '0';
if (n > (INT_MAX - d)/10)
yyerror("integer greater than %d\n", INT_MAX);
else
n = 10*n + d;
c = get();
} while (c != EOF && isdigit(c));
bp--;
yylval.n = n;
return INT;
} else if (isalpha(c)) {
char *p = bp - 1;
while (isalpha(*bp) || isdigit(*bp) || *bp == '_')
bp++;
yylval.string = alloc(bp - p + 1);
strncpy(yylval.string, p, bp - p);
yylval.string[bp - p] = 0;
return ID;
} else if (isprint(c))
yyerror("invalid character `%c'\n", c);
else
yyerror("invalid character `\\%03o'\n", (unsigned char)c);
}
return 0;
}
void yywarn(char *fmt, ...) {
va_list ap;
va_start(ap, fmt);
if (yylineno > 0)
fprintf(stderr, "line %d: ", yylineno);
fprintf(stderr, "warning: ");
vfprintf(stderr, fmt, ap);
va_end(ap);
}
#line 562 "y.tab.c"
/* For use in generated program */
#define yydepth (int)(yystack.s_mark - yystack.s_base)
#if YYBTYACC
#define yytrial (yyps->save)
#endif /* YYBTYACC */
#if YYDEBUG
#include <stdio.h> /* needed for printf */
#endif
#include <stdlib.h> /* needed for malloc, etc */
#include <string.h> /* needed for memset */
/* allocate initial stack or double stack size, up to YYMAXDEPTH */
static int yygrowstack(YYSTACKDATA *data)
{
int i;
unsigned newsize;
YYINT *newss;
YYSTYPE *newvs;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYLTYPE *newps;
#endif
if ((newsize = data->stacksize) == 0)
newsize = YYINITSTACKSIZE;
else if (newsize >= YYMAXDEPTH)
return YYENOMEM;
else if ((newsize *= 2) > YYMAXDEPTH)
newsize = YYMAXDEPTH;
i = (int) (data->s_mark - data->s_base);
newss = (YYINT *)realloc(data->s_base, newsize * sizeof(*newss));
if (newss == 0)
return YYENOMEM;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
if (newvs == 0)
return YYENOMEM;
data->l_base = newvs;
data->l_mark = newvs + i;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
newps = (YYLTYPE *)realloc(data->p_base, newsize * sizeof(*newps));
if (newps == 0)
return YYENOMEM;
data->p_base = newps;
data->p_mark = newps + i;
#endif
data->stacksize = newsize;
data->s_last = data->s_base + newsize - 1;
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%sdebug: stack size increased to %d\n", YYPREFIX, newsize);
#endif
return 0;
}
#if YYPURE || defined(YY_NO_LEAKS)
static void yyfreestack(YYSTACKDATA *data)
{
free(data->s_base);
free(data->l_base);
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
free(data->p_base);
#endif
memset(data, 0, sizeof(*data));
}
#else
#define yyfreestack(data) /* nothing */
#endif /* YYPURE || defined(YY_NO_LEAKS) */
#if YYBTYACC
static YYParseState *
yyNewState(unsigned size)
{
YYParseState *p = (YYParseState *) malloc(sizeof(YYParseState));
if (p == NULL) return NULL;
p->yystack.stacksize = size;
if (size == 0)
{
p->yystack.s_base = NULL;
p->yystack.l_base = NULL;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
p->yystack.p_base = NULL;
#endif
return p;
}
p->yystack.s_base = (YYINT *) malloc(size * sizeof(YYINT));
if (p->yystack.s_base == NULL) return NULL;
p->yystack.l_base = (YYSTYPE *) malloc(size * sizeof(YYSTYPE));
if (p->yystack.l_base == NULL) return NULL;
memset(p->yystack.l_base, 0, size * sizeof(YYSTYPE));
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
p->yystack.p_base = (YYLTYPE *) malloc(size * sizeof(YYLTYPE));
if (p->yystack.p_base == NULL) return NULL;
memset(p->yystack.p_base, 0, size * sizeof(YYLTYPE));
#endif
return p;
}
static void
yyFreeState(YYParseState *p)
{
yyfreestack(&p->yystack);
free(p);
}
#endif /* YYBTYACC */
#define YYABORT goto yyabort
#define YYREJECT goto yyabort
#define YYACCEPT goto yyaccept
#define YYERROR goto yyerrlab
#if YYBTYACC
#define YYVALID do { if (yyps->save) goto yyvalid; } while(0)
#define YYVALID_NESTED do { if (yyps->save && \
yyps->save->save == 0) goto yyvalid; } while(0)
#endif /* YYBTYACC */
int
YYPARSE_DECL()
{
int yym, yyn, yystate, yyresult;
#if YYBTYACC
int yynewerrflag;
YYParseState *yyerrctx = NULL;
#endif /* YYBTYACC */
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYLTYPE yyerror_loc_range[3]; /* position of error start/end (0 unused) */
#endif
#if YYDEBUG
const char *yys;
if ((yys = getenv("YYDEBUG")) != 0)
{
yyn = *yys;
if (yyn >= '0' && yyn <= '9')
yydebug = yyn - '0';
}
if (yydebug)
fprintf(stderr, "%sdebug[<# of symbols on state stack>]\n", YYPREFIX);
#endif
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
memset(yyerror_loc_range, 0, sizeof(yyerror_loc_range));
#endif
#if YYBTYACC
yyps = yyNewState(0); if (yyps == 0) goto yyenomem;
yyps->save = 0;
#endif /* YYBTYACC */
yym = 0;
yyn = 0;
yynerrs = 0;
yyerrflag = 0;
yychar = YYEMPTY;
yystate = 0;
#if YYPURE
memset(&yystack, 0, sizeof(yystack));
#endif
if (yystack.s_base == NULL && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
yystack.s_mark = yystack.s_base;
yystack.l_mark = yystack.l_base;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yystack.p_mark = yystack.p_base;
#endif
yystate = 0;
*yystack.s_mark = 0;
yyloop:
if ((yyn = yydefred[yystate]) != 0) goto yyreduce;
if (yychar < 0)
{
#if YYBTYACC
do {
if (yylvp < yylve)
{
/* we're currently re-reading tokens */
yylval = *yylvp++;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylloc = *yylpp++;
#endif
yychar = *yylexp++;
break;
}
if (yyps->save)
{
/* in trial mode; save scanner results for future parse attempts */
if (yylvp == yylvlim)
{ /* Enlarge lexical value queue */
size_t p = (size_t) (yylvp - yylvals);
size_t s = (size_t) (yylvlim - yylvals);
s += YYLVQUEUEGROWTH;
if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL) goto yyenomem;
if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL) goto yyenomem;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL) goto yyenomem;
#endif
yylvp = yylve = yylvals + p;
yylvlim = yylvals + s;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp = yylpe = yylpsns + p;
yylplim = yylpsns + s;
#endif
yylexp = yylexemes + p;
}
*yylexp = (YYINT) YYLEX;
*yylvp++ = yylval;
yylve++;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*yylpp++ = yylloc;
yylpe++;
#endif
yychar = *yylexp++;
break;
}
/* normal operation, no conflict encountered */
#endif /* YYBTYACC */
yychar = YYLEX;
#if YYBTYACC
} while (0);
#endif /* YYBTYACC */
if (yychar < 0) yychar = YYEOF;
#if YYDEBUG
if (yydebug)
{
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)",
YYDEBUGSTR, yydepth, yystate, yychar, yys);
#ifdef YYSTYPE_TOSTRING
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
fprintf(stderr, " <%s>", YYSTYPE_TOSTRING(yychar, yylval));
#endif
fputc('\n', stderr);
}
#endif
}
#if YYBTYACC
/* Do we have a conflict? */
if (((yyn = yycindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
{
YYINT ctry;
if (yypath)
{
YYParseState *save;
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: CONFLICT in state %d: following successful trial parse\n",
YYDEBUGSTR, yydepth, yystate);
#endif
/* Switch to the next conflict context */
save = yypath;
yypath = save->save;
save->save = NULL;
ctry = save->ctry;
if (save->state != yystate) YYABORT;
yyFreeState(save);
}
else
{
/* Unresolved conflict - start/continue trial parse */
YYParseState *save;
#if YYDEBUG
if (yydebug)
{
fprintf(stderr, "%s[%d]: CONFLICT in state %d. ", YYDEBUGSTR, yydepth, yystate);
if (yyps->save)
fputs("ALREADY in conflict, continuing trial parse.\n", stderr);
else
fputs("Starting trial parse.\n", stderr);
}
#endif
save = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
if (save == NULL) goto yyenomem;
save->save = yyps->save;
save->state = yystate;
save->errflag = yyerrflag;
save->yystack.s_mark = save->yystack.s_base + (yystack.s_mark - yystack.s_base);
memcpy (save->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
save->yystack.l_mark = save->yystack.l_base + (yystack.l_mark - yystack.l_base);
memcpy (save->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
save->yystack.p_mark = save->yystack.p_base + (yystack.p_mark - yystack.p_base);
memcpy (save->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
#endif
ctry = yytable[yyn];
if (yyctable[ctry] == -1)
{
#if YYDEBUG
if (yydebug && yychar >= YYEOF)
fprintf(stderr, "%s[%d]: backtracking 1 token\n", YYDEBUGSTR, yydepth);
#endif
ctry++;
}
save->ctry = ctry;
if (yyps->save == NULL)
{
/* If this is a first conflict in the stack, start saving lexemes */
if (!yylexemes)
{
yylexemes = (YYINT *) malloc((YYLVQUEUEGROWTH) * sizeof(YYINT));
if (yylexemes == NULL) goto yyenomem;
yylvals = (YYSTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYSTYPE));
if (yylvals == NULL) goto yyenomem;
yylvlim = yylvals + YYLVQUEUEGROWTH;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpsns = (YYLTYPE *) malloc((YYLVQUEUEGROWTH) * sizeof(YYLTYPE));
if (yylpsns == NULL) goto yyenomem;
yylplim = yylpsns + YYLVQUEUEGROWTH;
#endif
}
if (yylvp == yylve)
{
yylvp = yylve = yylvals;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp = yylpe = yylpsns;
#endif
yylexp = yylexemes;
if (yychar >= YYEOF)
{
*yylve++ = yylval;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*yylpe++ = yylloc;
#endif
*yylexp = (YYINT) yychar;
yychar = YYEMPTY;
}
}
}
if (yychar >= YYEOF)
{
yylvp--;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp--;
#endif
yylexp--;
yychar = YYEMPTY;
}
save->lexeme = (int) (yylvp - yylvals);
yyps->save = save;
}
if (yytable[yyn] == ctry)
{
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
YYDEBUGSTR, yydepth, yystate, yyctable[ctry]);
#endif
if (yychar < 0)
{
yylvp++;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp++;
#endif
yylexp++;
}
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM)
goto yyoverflow;
yystate = yyctable[ctry];
*++yystack.s_mark = (YYINT) yystate;
*++yystack.l_mark = yylval;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*++yystack.p_mark = yylloc;
#endif
yychar = YYEMPTY;
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
else
{
yyn = yyctable[ctry];
goto yyreduce;
}
} /* End of code dealing with conflicts */
#endif /* YYBTYACC */
if (((yyn = yysindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
{
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: state %d, shifting to state %d\n",
YYDEBUGSTR, yydepth, yystate, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*++yystack.p_mark = yylloc;
#endif
yychar = YYEMPTY;
if (yyerrflag > 0) --yyerrflag;
goto yyloop;
}
if (((yyn = yyrindex[yystate]) != 0) && (yyn += yychar) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yychar)
{
yyn = yytable[yyn];
goto yyreduce;
}
if (yyerrflag != 0) goto yyinrecovery;
#if YYBTYACC
yynewerrflag = 1;
goto yyerrhandler;
goto yyerrlab; /* redundant goto avoids 'unused label' warning */
yyerrlab:
/* explicit YYERROR from an action -- pop the rhs of the rule reduced
* before looking for error recovery */
yystack.s_mark -= yym;
yystate = *yystack.s_mark;
yystack.l_mark -= yym;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yystack.p_mark -= yym;
#endif
yynewerrflag = 0;
yyerrhandler:
while (yyps->save)
{
int ctry;
YYParseState *save = yyps->save;
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: ERROR in state %d, CONFLICT BACKTRACKING to state %d, %d tokens\n",
YYDEBUGSTR, yydepth, yystate, yyps->save->state,
(int)(yylvp - yylvals - yyps->save->lexeme));
#endif
/* Memorize most forward-looking error state in case it's really an error. */
if (yyerrctx == NULL || yyerrctx->lexeme < yylvp - yylvals)
{
/* Free old saved error context state */
if (yyerrctx) yyFreeState(yyerrctx);
/* Create and fill out new saved error context state */
yyerrctx = yyNewState((unsigned)(yystack.s_mark - yystack.s_base + 1));
if (yyerrctx == NULL) goto yyenomem;
yyerrctx->save = yyps->save;
yyerrctx->state = yystate;
yyerrctx->errflag = yyerrflag;
yyerrctx->yystack.s_mark = yyerrctx->yystack.s_base + (yystack.s_mark - yystack.s_base);
memcpy (yyerrctx->yystack.s_base, yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
yyerrctx->yystack.l_mark = yyerrctx->yystack.l_base + (yystack.l_mark - yystack.l_base);
memcpy (yyerrctx->yystack.l_base, yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yyerrctx->yystack.p_mark = yyerrctx->yystack.p_base + (yystack.p_mark - yystack.p_base);
memcpy (yyerrctx->yystack.p_base, yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
#endif
yyerrctx->lexeme = (int) (yylvp - yylvals);
}
yylvp = yylvals + save->lexeme;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp = yylpsns + save->lexeme;
#endif
yylexp = yylexemes + save->lexeme;
yychar = YYEMPTY;
yystack.s_mark = yystack.s_base + (save->yystack.s_mark - save->yystack.s_base);
memcpy (yystack.s_base, save->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
yystack.l_mark = yystack.l_base + (save->yystack.l_mark - save->yystack.l_base);
memcpy (yystack.l_base, save->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yystack.p_mark = yystack.p_base + (save->yystack.p_mark - save->yystack.p_base);
memcpy (yystack.p_base, save->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
#endif
ctry = ++save->ctry;
yystate = save->state;
/* We tried shift, try reduce now */
if ((yyn = yyctable[ctry]) >= 0) goto yyreduce;
yyps->save = save->save;
save->save = NULL;
yyFreeState(save);
/* Nothing left on the stack -- error */
if (!yyps->save)
{
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%sdebug[%d,trial]: trial parse FAILED, entering ERROR mode\n",
YYPREFIX, yydepth);
#endif
/* Restore state as it was in the most forward-advanced error */
yylvp = yylvals + yyerrctx->lexeme;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp = yylpsns + yyerrctx->lexeme;
#endif
yylexp = yylexemes + yyerrctx->lexeme;
yychar = yylexp[-1];
yylval = yylvp[-1];
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylloc = yylpp[-1];
#endif
yystack.s_mark = yystack.s_base + (yyerrctx->yystack.s_mark - yyerrctx->yystack.s_base);
memcpy (yystack.s_base, yyerrctx->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
yystack.l_mark = yystack.l_base + (yyerrctx->yystack.l_mark - yyerrctx->yystack.l_base);
memcpy (yystack.l_base, yyerrctx->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yystack.p_mark = yystack.p_base + (yyerrctx->yystack.p_mark - yyerrctx->yystack.p_base);
memcpy (yystack.p_base, yyerrctx->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
#endif
yystate = yyerrctx->state;
yyFreeState(yyerrctx);
yyerrctx = NULL;
}
yynewerrflag = 1;
}
if (yynewerrflag == 0) goto yyinrecovery;
#endif /* YYBTYACC */
YYERROR_CALL("syntax error");
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yyerror_loc_range[1] = yylloc; /* lookahead position is error start position */
#endif
#if !YYBTYACC
goto yyerrlab; /* redundant goto avoids 'unused label' warning */
yyerrlab:
#endif
++yynerrs;
yyinrecovery:
if (yyerrflag < 3)
{
yyerrflag = 3;
for (;;)
{
if (((yyn = yysindex[*yystack.s_mark]) != 0) && (yyn += YYERRCODE) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) YYERRCODE)
{
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: state %d, error recovery shifting to state %d\n",
YYDEBUGSTR, yydepth, *yystack.s_mark, yytable[yyn]);
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
yystate = yytable[yyn];
*++yystack.s_mark = yytable[yyn];
*++yystack.l_mark = yylval;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
/* lookahead position is error end position */
yyerror_loc_range[2] = yylloc;
YYLLOC_DEFAULT(yyloc, yyerror_loc_range, 2); /* position of error span */
*++yystack.p_mark = yyloc;
#endif
goto yyloop;
}
else
{
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: error recovery discarding state %d\n",
YYDEBUGSTR, yydepth, *yystack.s_mark);
#endif
if (yystack.s_mark <= yystack.s_base) goto yyabort;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
/* the current TOS position is the error start position */
yyerror_loc_range[1] = *yystack.p_mark;
#endif
#if defined(YYDESTRUCT_CALL)
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYDESTRUCT_CALL("error: discarding state",
yystos[*yystack.s_mark], yystack.l_mark, yystack.p_mark);
#else
YYDESTRUCT_CALL("error: discarding state",
yystos[*yystack.s_mark], yystack.l_mark);
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
#endif /* defined(YYDESTRUCT_CALL) */
--yystack.s_mark;
--yystack.l_mark;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
--yystack.p_mark;
#endif
}
}
}
else
{
if (yychar == YYEOF) goto yyabort;
#if YYDEBUG
if (yydebug)
{
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
fprintf(stderr, "%s[%d]: state %d, error recovery discarding token %d (%s)\n",
YYDEBUGSTR, yydepth, yystate, yychar, yys);
}
#endif
#if defined(YYDESTRUCT_CALL)
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYDESTRUCT_CALL("error: discarding token", yychar, &yylval, &yylloc);
#else
YYDESTRUCT_CALL("error: discarding token", yychar, &yylval);
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
#endif /* defined(YYDESTRUCT_CALL) */
yychar = YYEMPTY;
goto yyloop;
}
yyreduce:
yym = yylen[yyn];
#if YYDEBUG
if (yydebug)
{
fprintf(stderr, "%s[%d]: state %d, reducing by rule %d (%s)",
YYDEBUGSTR, yydepth, yystate, yyn, yyrule[yyn]);
#ifdef YYSTYPE_TOSTRING
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
if (yym > 0)
{
int i;
fputc('<', stderr);
for (i = yym; i > 0; i--)
{
if (i != yym) fputs(", ", stderr);
fputs(YYSTYPE_TOSTRING(yystos[yystack.s_mark[1-i]],
yystack.l_mark[1-i]), stderr);
}
fputc('>', stderr);
}
#endif
fputc('\n', stderr);
}
#endif
if (yym > 0)
yyval = yystack.l_mark[1-yym];
else
memset(&yyval, 0, sizeof yyval);
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
/* Perform position reduction */
memset(&yyloc, 0, sizeof(yyloc));
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
{
YYLLOC_DEFAULT(yyloc, &yystack.p_mark[-yym], yym);
/* just in case YYERROR is invoked within the action, save
the start of the rhs as the error start position */
yyerror_loc_range[1] = yystack.p_mark[1-yym];
}
#endif
switch (yyn)
{
case 1:
#line 22 "code/tools/lcc/lburg/gram.y"
{ yylineno = 0; }
#line 1 ""
break;
case 2:
#line 23 "code/tools/lcc/lburg/gram.y"
{ yylineno = 0; }
#line 1 ""
break;
case 6:
#line 31 "code/tools/lcc/lburg/gram.y"
{
if (nonterm(yystack.l_mark[-1].string)->number != 1)
yyerror("redeclaration of the start symbol\n");
}
#line 1 ""
break;
case 8:
#line 36 "code/tools/lcc/lburg/gram.y"
{ yyerrok; }
#line 1 ""
break;
case 10:
#line 40 "code/tools/lcc/lburg/gram.y"
{ term(yystack.l_mark[-2].string, yystack.l_mark[0].n); }
#line 1 ""
break;
case 12:
#line 44 "code/tools/lcc/lburg/gram.y"
{ rule(yystack.l_mark[-5].string, yystack.l_mark[-3].tree, yystack.l_mark[-2].string, yystack.l_mark[-1].string); }
#line 1 ""
break;
case 14:
#line 46 "code/tools/lcc/lburg/gram.y"
{ yyerrok; }
#line 1 ""
break;
case 15:
#line 49 "code/tools/lcc/lburg/gram.y"
{ nonterm(yyval.string = yystack.l_mark[0].string); }
#line 1 ""
break;
case 16:
#line 52 "code/tools/lcc/lburg/gram.y"
{ yyval.tree = tree(yystack.l_mark[0].string, 0, 0); }
#line 1 ""
break;
case 17:
#line 53 "code/tools/lcc/lburg/gram.y"
{ yyval.tree = tree(yystack.l_mark[-3].string, yystack.l_mark[-1].tree, 0); }
#line 1 ""
break;
case 18:
#line 54 "code/tools/lcc/lburg/gram.y"
{ yyval.tree = tree(yystack.l_mark[-5].string, yystack.l_mark[-3].tree, yystack.l_mark[-1].tree); }
#line 1 ""
break;
case 19:
#line 57 "code/tools/lcc/lburg/gram.y"
{ if (*yystack.l_mark[0].string == 0) yyval.string = "0"; }
#line 1 ""
break;
#line 1295 "y.tab.c"
default:
break;
}
yystack.s_mark -= yym;
yystate = *yystack.s_mark;
yystack.l_mark -= yym;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yystack.p_mark -= yym;
#endif
yym = yylhs[yyn];
if (yystate == 0 && yym == 0)
{
#if YYDEBUG
if (yydebug)
{
fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
#ifdef YYSTYPE_TOSTRING
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[YYFINAL], yyval));
#endif
fprintf(stderr, "shifting from state 0 to final state %d\n", YYFINAL);
}
#endif
yystate = YYFINAL;
*++yystack.s_mark = YYFINAL;
*++yystack.l_mark = yyval;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*++yystack.p_mark = yyloc;
#endif
if (yychar < 0)
{
#if YYBTYACC
do {
if (yylvp < yylve)
{
/* we're currently re-reading tokens */
yylval = *yylvp++;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylloc = *yylpp++;
#endif
yychar = *yylexp++;
break;
}
if (yyps->save)
{
/* in trial mode; save scanner results for future parse attempts */
if (yylvp == yylvlim)
{ /* Enlarge lexical value queue */
size_t p = (size_t) (yylvp - yylvals);
size_t s = (size_t) (yylvlim - yylvals);
s += YYLVQUEUEGROWTH;
if ((yylexemes = (YYINT *)realloc(yylexemes, s * sizeof(YYINT))) == NULL)
goto yyenomem;
if ((yylvals = (YYSTYPE *)realloc(yylvals, s * sizeof(YYSTYPE))) == NULL)
goto yyenomem;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
if ((yylpsns = (YYLTYPE *)realloc(yylpsns, s * sizeof(YYLTYPE))) == NULL)
goto yyenomem;
#endif
yylvp = yylve = yylvals + p;
yylvlim = yylvals + s;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp = yylpe = yylpsns + p;
yylplim = yylpsns + s;
#endif
yylexp = yylexemes + p;
}
*yylexp = (YYINT) YYLEX;
*yylvp++ = yylval;
yylve++;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*yylpp++ = yylloc;
yylpe++;
#endif
yychar = *yylexp++;
break;
}
/* normal operation, no conflict encountered */
#endif /* YYBTYACC */
yychar = YYLEX;
#if YYBTYACC
} while (0);
#endif /* YYBTYACC */
if (yychar < 0) yychar = YYEOF;
#if YYDEBUG
if (yydebug)
{
if ((yys = yyname[YYTRANSLATE(yychar)]) == NULL) yys = yyname[YYUNDFTOKEN];
fprintf(stderr, "%s[%d]: state %d, reading token %d (%s)\n",
YYDEBUGSTR, yydepth, YYFINAL, yychar, yys);
}
#endif
}
if (yychar == YYEOF) goto yyaccept;
goto yyloop;
}
if (((yyn = yygindex[yym]) != 0) && (yyn += yystate) >= 0 &&
yyn <= YYTABLESIZE && yycheck[yyn] == (YYINT) yystate)
yystate = yytable[yyn];
else
yystate = yydgoto[yym];
#if YYDEBUG
if (yydebug)
{
fprintf(stderr, "%s[%d]: after reduction, ", YYDEBUGSTR, yydepth);
#ifdef YYSTYPE_TOSTRING
#if YYBTYACC
if (!yytrial)
#endif /* YYBTYACC */
fprintf(stderr, "result is <%s>, ", YYSTYPE_TOSTRING(yystos[yystate], yyval));
#endif
fprintf(stderr, "shifting from state %d to state %d\n", *yystack.s_mark, yystate);
}
#endif
if (yystack.s_mark >= yystack.s_last && yygrowstack(&yystack) == YYENOMEM) goto yyoverflow;
*++yystack.s_mark = (YYINT) yystate;
*++yystack.l_mark = yyval;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
*++yystack.p_mark = yyloc;
#endif
goto yyloop;
#if YYBTYACC
/* Reduction declares that this path is valid. Set yypath and do a full parse */
yyvalid:
if (yypath) YYABORT;
while (yyps->save)
{
YYParseState *save = yyps->save;
yyps->save = save->save;
save->save = yypath;
yypath = save;
}
#if YYDEBUG
if (yydebug)
fprintf(stderr, "%s[%d]: state %d, CONFLICT trial successful, backtracking to state %d, %d tokens\n",
YYDEBUGSTR, yydepth, yystate, yypath->state, (int)(yylvp - yylvals - yypath->lexeme));
#endif
if (yyerrctx)
{
yyFreeState(yyerrctx);
yyerrctx = NULL;
}
yylvp = yylvals + yypath->lexeme;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yylpp = yylpsns + yypath->lexeme;
#endif
yylexp = yylexemes + yypath->lexeme;
yychar = YYEMPTY;
yystack.s_mark = yystack.s_base + (yypath->yystack.s_mark - yypath->yystack.s_base);
memcpy (yystack.s_base, yypath->yystack.s_base, (size_t) (yystack.s_mark - yystack.s_base + 1) * sizeof(YYINT));
yystack.l_mark = yystack.l_base + (yypath->yystack.l_mark - yypath->yystack.l_base);
memcpy (yystack.l_base, yypath->yystack.l_base, (size_t) (yystack.l_mark - yystack.l_base + 1) * sizeof(YYSTYPE));
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
yystack.p_mark = yystack.p_base + (yypath->yystack.p_mark - yypath->yystack.p_base);
memcpy (yystack.p_base, yypath->yystack.p_base, (size_t) (yystack.p_mark - yystack.p_base + 1) * sizeof(YYLTYPE));
#endif
yystate = yypath->state;
goto yyloop;
#endif /* YYBTYACC */
yyoverflow:
YYERROR_CALL("yacc stack overflow");
#if YYBTYACC
goto yyabort_nomem;
yyenomem:
YYERROR_CALL("memory exhausted");
yyabort_nomem:
#endif /* YYBTYACC */
yyresult = 2;
goto yyreturn;
yyabort:
yyresult = 1;
goto yyreturn;
yyaccept:
#if YYBTYACC
if (yyps->save) goto yyvalid;
#endif /* YYBTYACC */
yyresult = 0;
yyreturn:
#if defined(YYDESTRUCT_CALL)
if (yychar != YYEOF && yychar != YYEMPTY)
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval, &yylloc);
#else
YYDESTRUCT_CALL("cleanup: discarding token", yychar, &yylval);
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
{
YYSTYPE *pv;
#if defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED)
YYLTYPE *pp;
for (pv = yystack.l_base, pp = yystack.p_base; pv <= yystack.l_mark; ++pv, ++pp)
YYDESTRUCT_CALL("cleanup: discarding state",
yystos[*(yystack.s_base + (pv - yystack.l_base))], pv, pp);
#else
for (pv = yystack.l_base; pv <= yystack.l_mark; ++pv)
YYDESTRUCT_CALL("cleanup: discarding state",
yystos[*(yystack.s_base + (pv - yystack.l_base))], pv);
#endif /* defined(YYLTYPE) || defined(YYLTYPE_IS_DECLARED) */
}
#endif /* defined(YYDESTRUCT_CALL) */
#if YYBTYACC
if (yyerrctx)
{
yyFreeState(yyerrctx);
yyerrctx = NULL;
}
while (yyps)
{
YYParseState *save = yyps;
yyps = save->save;
save->save = NULL;
yyFreeState(save);
}
while (yypath)
{
YYParseState *save = yypath;
yypath = save->save;
save->save = NULL;
yyFreeState(save);
}
#endif /* YYBTYACC */
yyfreestack(&yystack);
return (yyresult);
}