#define yynerrs b4_prefix[]nerrs
#define yylloc b4_prefix[]lloc])
-b4_token_defines(b4_tokens)
+b4_token_enums(b4_tokens)
/* Copy the first part of user declarations. */
b4_pre_prologue[
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
]m4_ifdef([b4_stype],
-[b4_syncline([b4_stype_line], [b4_filename])
+[b4_syncline([b4_stype_line], [b4_file_name])
typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
/* Line __line__ of glr.c. */
b4_syncline([@oline@], [@ofile@])],
#include <stdlib.h>
#include <string.h>
#include <stdarg.h>
-#include <setjmp.h>
#ifndef YY_
# if YYENABLE_NLS
# endif
#endif
+/* Suppress unused-variable warnings by "using" E. */
+#define YYUSE(e) do {;} while (/*CONSTCOND*/ yyfalse && (e))
+
#ifndef YYFREE
# define YYFREE free
#endif
#define yytrue 1
#define yyfalse 0
+#ifndef YYSETJMP
+# include <setjmp.h>
+# define YYJMP_BUF jmp_buf
+# define YYSETJMP(env) setjmp (env)
+# define YYLONGJMP(env, val) longjmp (env, val)
+#endif
+
/*-----------------.
| GCC extensions. |
`-----------------*/
(Current).first_column = (Current).last_column = \
YYRHSLOC (Rhs, 0).last_column; \
} \
- while (0)
+ while (/*CONSTCOND*/ 0)
/* YY_LOCATION_PRINT -- Print the location on the stream.
This macro was not mandated originally: define only if we know
#define YYCHK(YYE) \
do { YYRESULTTAG yyflag = YYE; if (yyflag != yyok) return yyflag; } \
- while (0)
+ while (/*CONSTCOND*/ 0)
#if YYDEBUG
do { \
if (yydebug) \
YYFPRINTF Args; \
-} while (0)
+} while (/*CONSTCOND*/ 0)
]b4_yysymprint_generate([b4_c_ansi_function_def])[
Type, Value]b4_location_if([, Location])[); \
YYFPRINTF (stderr, "\n"); \
} \
-} while (0)
+} while (/*CONSTCOND*/ 0)
/* Nonzero means print parse trace. It is left uninitialized so that
multiple parsers can coexist. */
int yyrawchar;
])[
yySymbol* yytokenp;
- jmp_buf yyexception_buffer;
+ YYJMP_BUF yyexception_buffer;
yyGLRStackItem* yyitems;
yyGLRStackItem* yynextFree;
size_t yyspaceLeft;
{
if (yymsg != NULL)
yyerror (]b4_yyerror_args[yymsg);
- longjmp (yystack->yyexception_buffer, 1);
+ YYLONGJMP (yystack->yyexception_buffer, 1);
}
static void yyMemoryExhausted (yyGLRStack* yystack)
static void
yyMemoryExhausted (yyGLRStack* yystack)
{
- longjmp (yystack->yyexception_buffer, 2);
+ YYLONGJMP (yystack->yyexception_buffer, 2);
}
#if YYDEBUG || YYERROR_VERBOSE
static void
yyuserMerge (int yyn, YYSTYPE* yy0, YYSTYPE* yy1)
{
- /* `Use' the arguments. */
- (void) yy0;
- (void) yy1;
+ YYUSE (yy0);
+ YYUSE (yy1);
switch (yyn)
{
]b4_yydestruct_generate([b4_c_ansi_function_def])[
+/** Number of symbols composing the right hand side of rule #RULE. */
+static inline int
+yyrhsLength (yyRuleNum yyrule)
+{
+ return yyr2[yyrule];
+}
+
static void
-yydestroyStackItem (char const *yymsg, yyGLRState *yys)
+yydestroyGLRState (char const *yymsg, yyGLRState *yys)
{
if (yys->yyresolved)
yydestruct (yymsg, yystos[yys->yylrState],
YYFPRINTF (stderr, "\n");
}
#endif
- }
-}
-/** Number of symbols composing the right hand side of rule #RULE. */
-static inline int
-yyrhsLength (yyRuleNum yyrule)
-{
- return yyr2[yyrule];
+ if (yys->yysemantics.yyfirstVal)
+ {
+ yySemanticOption *yyoption = yys->yysemantics.yyfirstVal;
+ yyGLRState *yyrh;
+ int yyn;
+ for (yyrh = yyoption->yystate, yyn = yyrhsLength (yyoption->yyrule);
+ yyn > 0;
+ yyrh = yyrh->yypred, yyn -= 1)
+ yydestroyGLRState (yymsg, yyrh);
+ }
+ }
}
/** Left-hand-side symbol for rule #RULE. */
do { \
if (yydebug) \
yy_reduce_print (K, Rule); \
-} while (0)
+} while (/*CONSTCOND*/ 0)
/*----------------------------------------------------------.
| Report that the RULE is going to be reduced on stack #K. |
yyreportAmbiguity (yySemanticOption* yyx0, yySemanticOption* yyx1,
yyGLRStack* yystack]b4_pure_formals[)
{
- /* `Unused' warnings. */
- (void) yyx0;
- (void) yyx1;
+ YYUSE (yyx0);
+ YYUSE (yyx1);
#if YYDEBUG
YYFPRINTF (stderr, "Ambiguity detected.\n");
yybest = yyp;
yymerge = yyfalse;
break;
+ default:
+ /* This cannot happen so it is not worth a YYASSERT (yyfalse),
+ but some compilers complain if the default case is
+ omitted. */
+ break;
}
yypp = &yyp->yynext;
}
yyreportSyntaxError (yyGLRStack* yystack,
YYSTYPE* yylvalp, YYLTYPE* yyllocp]b4_user_formals[)
{
- /* `Unused' warnings. */
- (void) yylvalp;
- (void) yyllocp;
+ YYUSE (yylvalp);
+ YYUSE (yyllocp);
if (yystack->yyerrState == 0)
{
}
}
]b4_location_if([[ yystack->yyerror_range[1].yystate.yyloc = yys->yyloc;]])[
- yydestroyStackItem ("Error: popping", yys);
+ yydestroyGLRState ("Error: popping", yys);
yystack->yytops.yystates[0] = yys->yypred;
yystack->yynextFree -= 1;
yystack->yyspaceLeft += 1;
#define YYCHK1(YYE) \
do { \
switch (YYE) { \
- default: \
+ case yyok: \
break; \
case yyabort: \
goto yyabortlab; \
goto yyacceptlab; \
case yyerr: \
goto yyuser_error; \
+ default: \
+ goto yybuglab; \
} \
- } while (0)
+ } while (/*CONSTCOND*/ 0)
/*----------.
[
if (! yyinitGLRStack (&yystack, YYINITDEPTH))
goto yyexhaustedlab;
- switch (setjmp (yystack.yyexception_buffer))
+ switch (YYSETJMP (yystack.yyexception_buffer))
{
+ case 0: break;
case 1: goto yyabortlab;
case 2: goto yyexhaustedlab;
+ default: goto yybuglab;
}
yystack.yytokenp = &yytoken;
yyglrShift (&yystack, 0, 0, 0, yylval, &yylloc);
yyresult = 0;
goto yyreturn;
+ yybuglab:
+ YYASSERT (yyfalse);
+ /* Fall through. */
+
yyabortlab:
yyresult = 1;
goto yyreturn;
{
yyGLRState *yys = yystates[0];
]b4_location_if([[ yystack.yyerror_range[1].yystate.yyloc = yys->yyloc;]]
-)[ yydestroyStackItem ("Cleanup: popping", yys);
+)[ yydestroyGLRState ("Cleanup: popping", yys);
yystates[0] = yys->yypred;
yystack.yynextFree -= 1;
yystack.yyspaceLeft += 1;
b4_copyright([Skeleton parser for GLR parsing with Bison],
[2002, 2003, 2004, 2005])
-b4_token_defines(b4_tokens)
+b4_token_enums(b4_tokens)
#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
m4_ifdef([b4_stype],
-[b4_syncline([b4_stype_line], [b4_filename])
+[b4_syncline([b4_stype_line], [b4_file_name])
typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
/* Line __line__ of glr.c. */
b4_syncline([@oline@], [@ofile@])],
projects / bison.git / blobdiff