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freebsd-src/contrib/byacc/test/btyacc/err_syntax18.tab.c
Dag-Erling Smørgrav 8e022d3cde byacc: Update to 20230201. 
Note that this enables the backtracking extension, which we had previously left disabled.

PR:		244149, 269425
Sponsored by:	Klara, Inc.
Differential Revision:	https://reviews.freebsd.org/D38421
2023-02-20 23:35:32 +01:00

1290 lines
39 KiB
C
Raw Blame History

/* 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 YYCHECK "yyyymmdd"
#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"
#ifndef yyparse
#define yyparse err_syntax18_parse
#endif /* yyparse */
#ifndef yylex
#define yylex err_syntax18_lex
#endif /* yylex */
#ifndef yyerror
#define yyerror err_syntax18_error
#endif /* yyerror */
#ifndef yychar
#define yychar err_syntax18_char
#endif /* yychar */
#ifndef yyval
#define yyval err_syntax18_val
#endif /* yyval */
#ifndef yylval
#define yylval err_syntax18_lval
#endif /* yylval */
#ifndef yydebug
#define yydebug err_syntax18_debug
#endif /* yydebug */
#ifndef yynerrs
#define yynerrs err_syntax18_nerrs
#endif /* yynerrs */
#ifndef yyerrflag
#define yyerrflag err_syntax18_errflag
#endif /* yyerrflag */
#ifndef yylhs
#define yylhs err_syntax18_lhs
#endif /* yylhs */
#ifndef yylen
#define yylen err_syntax18_len
#endif /* yylen */
#ifndef yydefred
#define yydefred err_syntax18_defred
#endif /* yydefred */
#ifndef yystos
#define yystos err_syntax18_stos
#endif /* yystos */
#ifndef yydgoto
#define yydgoto err_syntax18_dgoto
#endif /* yydgoto */
#ifndef yysindex
#define yysindex err_syntax18_sindex
#endif /* yysindex */
#ifndef yyrindex
#define yyrindex err_syntax18_rindex
#endif /* yyrindex */
#ifndef yygindex
#define yygindex err_syntax18_gindex
#endif /* yygindex */
#ifndef yytable
#define yytable err_syntax18_table
#endif /* yytable */
#ifndef yycheck
#define yycheck err_syntax18_check
#endif /* yycheck */
#ifndef yyname
#define yyname err_syntax18_name
#endif /* yyname */
#ifndef yyrule
#define yyrule err_syntax18_rule
#endif /* yyrule */
#if YYBTYACC
#ifndef yycindex
#define yycindex err_syntax18_cindex
#endif /* yycindex */
#ifndef yyctable
#define yyctable err_syntax18_ctable
#endif /* yyctable */
#endif /* YYBTYACC */
#define YYPREFIX "err_syntax18_"
#define YYPURE 0
#line 2 "err_syntax18.y"
int yylex(void);
static void yyerror(const char *);
#line 124 "err_syntax18.tab.c"
#if ! defined(YYSTYPE) && ! defined(YYSTYPE_IS_DECLARED)
/* Default: YYSTYPE is the semantic value type. */
typedef int YYSTYPE;
# define YYSTYPE_IS_DECLARED 1
#endif
/* 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
/* 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 YYERRCODE 256
typedef int YYINT;
static const YYINT err_syntax18_lhs[] = { -1,
0,
};
static const YYINT err_syntax18_len[] = { 2,
3,
};
static const YYINT err_syntax18_defred[] = { 0,
0, 0, 0, 1,
};
#if defined(YYDESTRUCT_CALL) || defined(YYSTYPE_TOSTRING)
static const YYINT err_syntax18_stos[] = { 0,
40, 258, 258, 41,
};
#endif /* YYDESTRUCT_CALL || YYSTYPE_TOSTRING */
static const YYINT err_syntax18_dgoto[] = { 2,
};
static const YYINT err_syntax18_sindex[] = { -40,
-40, 0, -39, 0,
};
static const YYINT err_syntax18_rindex[] = { 0,
0, 0, 0, 0,
};
#if YYBTYACC
static const YYINT err_syntax18_cindex[] = { 0,
0, 0, 0, 0,
};
#endif
static const YYINT err_syntax18_gindex[] = { 2,
};
#define YYTABLESIZE 3
static const YYINT err_syntax18_table[] = { 1,
0, 4, 3,
};
static const YYINT err_syntax18_check[] = { 40,
-1, 41, 1,
};
#if YYBTYACC
static const YYINT err_syntax18_ctable[] = { -1,
-1, -1,
};
#endif
#define YYFINAL 2
#ifndef YYDEBUG
#define YYDEBUG 0
#endif
#define YYMAXTOKEN 256
#define YYUNDFTOKEN 259
#define YYTRANSLATE(a) ((a) > YYMAXTOKEN ? YYUNDFTOKEN : (a))
#if YYDEBUG
static const char *const err_syntax18_name[] = {
"$end",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,"'('","')'",0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,
0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,0,"error","$accept","expr",
"illegal-symbol",
};
static const char *const err_syntax18_rule[] = {
"$accept : expr",
"expr : '(' expr ')'",
};
#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 13 "err_syntax18.y"
#include <stdio.h>
int
main(void)
{
printf("yyparse() = %d\n", yyparse());
return 0;
}
int
yylex(void)
{
return -1;
}
static void
yyerror(const char* s)
{
printf("%s\n", s);
}
#line 381 "err_syntax18.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 == NULL)
return YYENOMEM;
data->s_base = newss;
data->s_mark = newss + i;
newvs = (YYSTYPE *)realloc(data->l_base, newsize * sizeof(*newvs));
if (newvs == NULL)
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 == NULL)
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")) != NULL)
{
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 is set below */
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 9 "err_syntax18.y"
{ yyval = yystack.l_mark[1]; }
#line 1054 "err_syntax18.tab.c"
break;
#line 1056 "err_syntax18.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);
}
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