It was written by Richard Stallman by simplifying the hairy parser
used when %semantic_parser is specified. */
-#include <stdio.h>
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Pure parsers. */
+#define YYPURE %%pure
+
+/* Using locations. */
+#define YYLSP_NEEDED %%locations-flag
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG %%debug
+#endif
+
+/* Enabling verbose error messages. */
+#undef YYERROR_VERBOSE
+#define YYERROR_VERBOSE %%error-verbose
/* If name_prefix is specify substitute the variables and functions
names. */
#define yyparse %%prefix##parse
-#define yylex %%prefix##lex
+#define yylex %%prefix##lex
#define yyerror %%prefix##error
-#define yylval %%prefix##lval
-#define yychar %%prefix##char
+#define yylval %%prefix##lval
+#define yychar %%prefix##char
#define yydebug %%prefix##debug
#define yynerrs %%prefix##nerrs
-/* Copy the user declarations. */
-#line %%input_line "%%filename"
-%%prologue
-
-#line %%line "%%skeleton"
-#ifndef __cplusplus
-# ifndef __STDC__
-# define const
-# endif
-#endif
-
-#ifndef YYSTACK_USE_ALLOCA
-# ifdef alloca
-# define YYSTACK_USE_ALLOCA 1
-# else /* alloca not defined */
-# ifdef __GNUC__
-# define YYSTACK_USE_ALLOCA 1
-# define alloca __builtin_alloca
-# else /* not GNU C. */
-# if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386))
-# define YYSTACK_USE_ALLOCA 1
-# include <alloca.h>
-# else /* not sparc */
- /* We think this test detects Watcom and Microsoft C. */
- /* This used to test MSDOS, but that is a bad idea since that
- symbol is in the user namespace. */
-# if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__)
-# if 0
- /* No need for malloc.h, which pollutes the namespace; instead,
- just don't use alloca. */
-# include <malloc.h>
-# endif
-# else /* not MSDOS, or __TURBOC__ */
-# if defined(_AIX)
- /* I don't know what this was needed for, but it pollutes the
- namespace. So I turned it off. rms, 2 May 1997. */
- /* #include <malloc.h> */
- #pragma alloca
-# define YYSTACK_USE_ALLOCA 1
-# else /* not MSDOS, or __TURBOC__, or _AIX */
-# if 0
- /* haible@ilog.fr says this works for HPUX 9.05 and up, and on
- HPUX 10. Eventually we can turn this on. */
-# ifdef __hpux
-# define YYSTACK_USE_ALLOCA 1
-# define alloca __builtin_alloca
-# endif /* __hpux */
-# endif
-# endif /* not _AIX */
-# endif /* not MSDOS, or __TURBOC__ */
-# endif /* not sparc */
-# endif /* not GNU C */
-# endif /* alloca not defined */
-#endif /* YYSTACK_USE_ALLOCA not defined */
-
-#ifndef YYSTACK_USE_ALLOCA
-# define YYSTACK_USE_ALLOCA 0
-#endif
-
-/* Realloc WHAT from SIZE to YYSTACKSIZE elements of TYPE.
- If WHAT was malloc'ed (not the original automatic ARRAY), free it. */
-#if YYSTACK_USE_ALLOCA
-# define YYSTACK_REALLOC(Type, What, Array) \
-do { \
- Type *old = What; \
- What = (Type *) alloca (yystacksize * sizeof (Type)); \
- __yy_memcpy ((char *) What, (char *) old, \
- (size) * (unsigned int) sizeof (Type)); \
-} while (0)
-#else
-# define YYSTACK_REALLOC(Type, What, Array) \
-do { \
- Type *old = What; \
- What = (Type *) malloc (yystacksize * sizeof (Type)); \
- __yy_memcpy ((char *) What, (char *) old, \
- (size) * (unsigned int) sizeof (Type)); \
- yyfree_stacks = 1; \
- if (old != Array) \
- free (old); \
-} while (0)
-#endif
-
-#define YYBISON 1 /* Identify Bison output. */
-#define YYPURE %%pure /* Identify pure parsers. */
-
-#ifndef YYDEBUG
-# define YYDEBUG %%debug
-#endif
-
-#line %%input_line "%%filename"
#ifndef YYSTYPE
typedef %%stype yystype;
# define YYSTYPE yystype
# define YYLTYPE %%ltype
#endif
+/* Copy the user declarations. */
+#line %%input-line "%%filename"
+%%prologue
+
+#line %%line "%%skeleton"
+
+#include <stdio.h>
+
+#ifndef __cplusplus
+# ifndef __STDC__
+# define const
+# endif
+#endif
+
+/* All symbols defined below should begin with yy or YY, to avoid
+ infringing on user name space. This should be done even for local
+ variables, as they might otherwise be expanded by user macros.
+ There are some unavoidable exceptions within include files to
+ define necessary C library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T size_t
+# else
+# ifndef YYSTACK_USE_ALLOCA
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T size_t
+# else
+# if defined (__GNUC__) || defined (_AIX) || defined (__hpux)
+# define YYSTACK_ALLOC __builtin_alloca
+# endif
+# ifndef __GNUC__
+# ifdef _AIX
+ # pragma alloca
+# endif
+# if defined (__sgi) || defined (__sparc__) || defined (__sparc) || defined (__sun)
+# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T size_t
+# endif
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+# define YYSTACK_ALLOC malloc
+# define YYSTACK_FREE(Ptr) free (Ptr)
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# endif
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ short yys;
+ YYSTYPE yyv;
+# if YYLSP_NEEDED
+ YYLTYPE yyl;
+# endif
+};
+
+/* The size of the maximum gap between one aligned stack and the next. */
+# define YYSTACK_GAP_MAX (sizeof (union yyalloc) - 1)
+
+/* The size of an array large to enough to hold all stacks, each with
+ N elements. */
+# if YYLSP_NEEDED
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ + 2 * YYSTACK_GAP_MAX)
+# else
+# define YYSTACK_BYTES(N) \
+ ((N) * (sizeof (short) + sizeof (YYSTYPE)) \
+ + YYSTACK_GAP_MAX)
+# endif
+
+/* Relocate the TYPE STACK from its old location to the new one. The
+ local variables YYSIZE and YYSTACKSIZE give the old and new number of
+ elements in the stack, and YYPTR gives the new location of the
+ stack. Advance YYPTR to a properly aligned location for the next
+ stack. */
+# define YYSTACK_RELOCATE(Type, Stack) \
+ do \
+ { \
+ YYSIZE_T yynewbytes; \
+ yymemcpy (yyptr, (char *) (Stack), \
+ yysize * (YYSIZE_T) sizeof (Type)); \
+ (Stack) = (Type *) yyptr; \
+ yynewbytes = yystacksize * sizeof (Type) + YYSTACK_GAP_MAX; \
+ yynewbytes -= yynewbytes % sizeof (union yyalloc); \
+ yyptr += yynewbytes; \
+ } \
+ while (0)
+
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
/* Tokens. */
%%tokendef
};
#endif
-#if %%error_verbose
+#if YYDEBUG || YYERROR_VERBOSE
/* YYTNME[TOKEN_NUM] -- String name of the token TOKEN_NUM. */
static const char *const yytname[] =
{
%%check
};
+
+#if ! defined (YYSIZE_T) && defined (__SIZE_TYPE__)
+# define YYSIZE_T __SIZE_TYPE__
+#endif
+#if ! defined (YYSIZE_T) && defined (size_t)
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T) && (defined (__STDC__) || defined (__cplusplus))
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
+
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
Current.last_column = Rhs[N].last_column;
#endif
-/* Definition of YYLSP_NEEDED. */
-#define YYLSP_NEEDED %%locations_flag
-
/* YYLEX -- calling `yylex' with the right arguments. */
#if YYPURE
/* Enable debugging if requested. */
#if YYDEBUG
+# include <stdio.h>
# define YYDPRINTF(Args) \
do { \
if (yydebug) \
#endif
/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
- if the built-in stack extension method is used). */
+ if the built-in stack extension method is used).
+
+ Do not make this value too large; the results are undefined if
+ SIZE_MAX < YYSTACK_BYTES (YYMAXDEPTH)
+ evaluated with infinite-precision integer arithmetic. */
+
#if YYMAXDEPTH == 0
# undef YYMAXDEPTH
#endif
\f
-/* Define __yy_memcpy. Note that the size argument
- should be passed with type unsigned int, because that is what the non-GCC
- definitions require. With GCC, __builtin_memcpy takes an arg
- of type size_t, but it can handle unsigned int. */
-
-#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
-# define __yy_memcpy(To, From, Count) __builtin_memcpy (To, From, Count)
-#else /* not GNU C or C++ */
+#if ! defined (yyoverflow) && ! defined (yymemcpy)
+# if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
+# define yymemcpy __builtin_memcpy
+# else /* not GNU C or C++ */
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
static void
-# ifndef __cplusplus
-__yy_memcpy (to, from, count)
- char *to;
- const char *from;
- unsigned int count;
-# else /* __cplusplus */
-__yy_memcpy (char *to, const char *from, unsigned int count)
-# endif
+# if defined (__STDC__) || defined (__cplusplus)
+yymemcpy (char *yyto, const char *yyfrom, YYSIZE_T yycount)
+# else
+yymemcpy (yyto, yyfrom, yycount)
+ char *yyto;
+ const char *yyfrom;
+ YYSIZE_T yycount;
+# endif
{
- register const char *f = from;
- register char *t = to;
- register int i = count;
+ register const char *yyf = yyfrom;
+ register char *yyt = yyto;
+ register YYSIZE_T yyi = yycount;
- while (i-- > 0)
- *t++ = *f++;
+ while (yyi-- != 0)
+ *yyt++ = *yyf++;
}
+# endif
#endif
+#if YYERROR_VERBOSE
+
+# ifndef yystrlen
+# if defined (__GLIBC__) && defined (_STRING_H)
+# define yystrlen strlen
+# else
+/* Return the length of YYSTR. */
+static YYSIZE_T
+# if defined (__STDC__) || defined (__cplusplus)
+yystrlen (const char *yystr)
+# else
+yystrlen (yystr)
+ const char *yystr;
+# endif
+{
+ register const char *yys = yystr;
+
+ while (*yys++ != '\0')
+ continue;
+
+ return yys - yystr - 1;
+}
+# endif
+# endif
+
+# ifndef yystpcpy
+# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+# define yystpcpy stpcpy
+# else
+/* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
+ YYDEST. */
+static char *
+# ifndef __cplusplus
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+# else
+yystpcpy (char *yydest, const char *yysrc)
+# endif
+{
+ register char *yyd = yydest;
+ register const char *yys = yysrc;
+
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
+}
+# endif
+# endif
+
+#endif /* !YYERROR_VERBOSE */
+
\f
#line %%line "%%skeleton"
/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
variables are global, or local to YYPARSE. */
-#define _YY_DECL_VARIABLES \
+#define YY_DECL_NON_LSP_VARIABLES \
/* The lookahead symbol. */ \
int yychar; \
\
#if YYLSP_NEEDED
# define YY_DECL_VARIABLES \
-_YY_DECL_VARIABLES \
+YY_DECL_NON_LSP_VARIABLES \
\
/* Location data for the lookahead symbol. */ \
YYLTYPE yylloc;
#else
# define YY_DECL_VARIABLES \
-_YY_DECL_VARIABLES
+YY_DECL_NON_LSP_VARIABLES
#endif
/* If nonreentrant, generate the variables here. */
register int yystate;
register int yyn;
+ int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* Lookahead token as an internal (translated) token number. */
# define YYPOPSTACK (yyvsp--, yyssp--)
#endif
- int yystacksize = YYINITDEPTH;
- int yyfree_stacks = 0;
+ YYSIZE_T yystacksize = YYINITDEPTH;
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
-# if YYLSP_NEEDED
+#if YYLSP_NEEDED
YYLTYPE yyloc;
-# endif
+#endif
/* When reducing, the number of symbols on the RHS of the reduced
rule. */
if (yyssp >= yyss + yystacksize - 1)
{
/* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
+ YYSIZE_T yysize = yyssp - yyss + 1;
#ifdef yyoverflow
{
/* This used to be a conditional around just the two extra args,
but that might be undefined if yyoverflow is a macro. */
yyoverflow ("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yyls1, yysize * sizeof (*yylsp),
&yystacksize);
yyls = yyls1;
# else
yyoverflow ("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
&yystacksize);
# endif
yyss = yyss1;
#else /* no yyoverflow */
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
- {
- yyerror ("parser stack overflow");
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-# if YYLSP_NEEDED
- free (yyls);
-# endif
- }
- return 2;
- }
+ goto yyoverflowlab;
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
- YYSTACK_REALLOC (short, yyss, yyssa);
- YYSTACK_REALLOC (YYSTYPE, yyvs, yyvsa);
+ {
+ short *yyss1 = yyss;
+ char *yyptr = (char *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyoverflowlab;
+ YYSTACK_RELOCATE (short, yyss);
+ YYSTACK_RELOCATE (YYSTYPE, yyvs);
# if YYLSP_NEEDED
- YYSTACK_REALLOC (YYLTYPE, yyls, yylsa);
+ YYSTACK_RELOCATE (YYLTYPE, yyls);
# endif
+# undef YYSTACK_RELOCATE
+ if (yyss1 != yyssa)
+ YYSTACK_FREE (yyss1);
+ }
#endif /* no yyoverflow */
- yyssp = yyss + size - 1;
- yyvsp = yyvs + size - 1;
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
#if YYLSP_NEEDED
- yylsp = yyls + size - 1;
+ yylsp = yyls + yysize - 1;
#endif
- YYDPRINTF ((stderr, "Stack size increased to %d\n", yystacksize));
+ YYDPRINTF ((stderr, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
are defined only if `YYDEBUG' is set. */
if (yydebug)
{
- int i;
+ int yyi;
fprintf (stderr, "Reducing via rule %d (line %d), ",
yyn, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
+ for (yyi = yyprhs[yyn]; yyrhs[yyi] > 0; yyi++)
+ fprintf (stderr, "%s ", yytname[yyrhs[yyi]]);
fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
#if YYDEBUG
if (yydebug)
{
- short *ssp1 = yyss - 1;
+ short *yyssp1 = yyss - 1;
fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
+ while (yyssp1 != yyssp)
+ fprintf (stderr, " %d", *++yyssp1);
fprintf (stderr, "\n");
}
#endif
{
++yynerrs;
-#if %%error_verbose
+#if YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
- int size = 0;
- char *msg;
- int x, count;
+ YYSIZE_T yysize = 0;
+ char *yymsg;
+ int yyx, yycount;
- count = 0;
- /* Start X at -YYN if negative to avoid negative indexes in
+ yycount = 0;
+ /* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
- for (x = yyn < 0 ? -yyn : 0;
- x < (int) (sizeof (yytname) / sizeof (char *)); x++)
- if (yycheck[x + yyn] == x)
- size += strlen (yytname[x]) + 15, count++;
- size += strlen ("parse error, unexpected ") + 1;
- size += strlen (yytname[YYTRANSLATE (yychar)]);
- msg = (char *) malloc (size);
- if (msg != 0)
+ for (yyx = yyn < 0 ? -yyn : 0;
+ yyx < (int) (sizeof (yytname) / sizeof (char *)); yyx++)
+ if (yycheck[yyx + yyn] == yyx)
+ yysize += yystrlen (yytname[yyx]) + 15, yycount++;
+ yysize += yystrlen ("parse error, unexpected ") + 1;
+ yysize += yystrlen (yytname[YYTRANSLATE (yychar)]);
+ yymsg = (char *) YYSTACK_ALLOC (yysize);
+ if (yymsg != 0)
{
- strcpy (msg, "parse error, unexpected ");
- strcat (msg, yytname[YYTRANSLATE (yychar)]);
+ char *yyp = yystpcpy (yymsg, "parse error, unexpected ");
+ yyp = yystpcpy (yyp, yytname[YYTRANSLATE (yychar)]);
- if (count < 5)
+ if (yycount < 5)
{
- count = 0;
- for (x = yyn < 0 ? -yyn : 0;
- x < (int) (sizeof (yytname) / sizeof (char *)); x++)
- if (yycheck[x + yyn] == x)
+ yycount = 0;
+ for (yyx = yyn < 0 ? -yyn : 0;
+ yyx < (int) (sizeof (yytname) / sizeof (char *));
+ yyx++)
+ if (yycheck[yyx + yyn] == yyx)
{
- strcat (msg, count == 0 ? ", expecting " : " or ");
- strcat (msg, yytname[x]);
- count++;
+ const char *yyq = ! yycount ? ", expecting " : " or ";
+ yyp = yystpcpy (yyp, yyq);
+ yyp = yystpcpy (yyp, yytname[yyx]);
+ yycount++;
}
}
- yyerror (msg);
- free (msg);
- }
- else
- yyerror ("parse error; also virtual memory exhausted");
+ yyerror (yymsg);
+ YYSTACK_FREE (yymsg);
+ }
+ else
+ yyerror ("parse error; also virtual memory exhausted");
}
else
-#endif /* %%ERROR_VERBOSE */
+#endif /* YYERROR_VERBOSE */
yyerror ("parse error");
}
goto yyerrlab1;
#if YYDEBUG
if (yydebug)
{
- short *ssp1 = yyss - 1;
+ short *yyssp1 = yyss - 1;
fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
+ while (yyssp1 != yyssp)
+ fprintf (stderr, " %d", *++yyssp1);
fprintf (stderr, "\n");
}
#endif
| yyacceptlab -- YYACCEPT comes here. |
`-------------------------------------*/
yyacceptlab:
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#if YYLSP_NEEDED
- free (yyls);
-#endif
- }
- return 0;
-
+ yyresult = 0;
+ goto yyreturn;
/*-----------------------------------.
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
- if (yyfree_stacks)
- {
- free (yyss);
- free (yyvs);
-#if YYLSP_NEEDED
- free (yyls);
+ yyresult = 1;
+ goto yyreturn;
+
+/*---------------------------------------------.
+| yyoverflowab -- parser overflow comes here. |
+`---------------------------------------------*/
+yyoverflowlab:
+ yyerror ("parser stack overflow");
+ yyresult = 2;
+ /* Fall through. */
+
+yyreturn:
+#ifndef yyoverflow
+ if (yyss != yyssa)
+ YYSTACK_FREE (yyss);
#endif
- }
- return 1;
+ return yyresult;
}
-#line %%input_line "%%filename"
+#line %%input-line "%%filename"
%%epilogue
projects / bison.git / blobdiff