/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
#line
-/* This file comes from bison-@bison_version@. */
-
/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+ Copyright 1984, 1989, 1990, 2000, 2001 Free Software Foundation, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
#ifndef YYSTACK_USE_ALLOCA
# ifdef alloca
-# define YYSTACK_USE_ALLOCA
+# define YYSTACK_USE_ALLOCA 1
# else /* alloca not defined */
# ifdef __GNUC__
-# define YYSTACK_USE_ALLOCA
+# 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
+# define YYSTACK_USE_ALLOCA 1
# include <alloca.h>
# else /* not sparc */
/* We think this test detects Watcom and Microsoft C. */
namespace. So I turned it off. rms, 2 May 1997. */
/* #include <malloc.h> */
#pragma alloca
-# define YYSTACK_USE_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
+# define YYSTACK_USE_ALLOCA 1
# define alloca __builtin_alloca
# endif /* __hpux */
# endif
# endif /* alloca not defined */
#endif /* YYSTACK_USE_ALLOCA not defined */
-#ifdef YYSTACK_USE_ALLOCA
+#if YYSTACK_USE_ALLOCA
# define YYSTACK_ALLOC alloca
#else
# define YYSTACK_ALLOC malloc
#endif
-/* Note: there must be only one dollar sign in this file.
- It is replaced by the list of actions, each action
- as one case of the switch. */
-
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
Once GCC version 2 has supplanted version 1, this can go. */
#define YYFAIL goto yyerrlab
#define YYRECOVERING() (!!yyerrstatus)
-#define YYBACKUP(Token, Value) \
+#define YYBACKUP(Token, Value) \
do \
if (yychar == YYEMPTY && yylen == 1) \
{ \
#define YYTERROR 1
#define YYERRCODE 256
-#ifndef YYPURE
-# define YYLEX yylex ()
+
+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+ are run).
+
+ When YYLLOC_DEFAULT is run, CURRENT is set the location of the
+ first token. By default, to implement support for ranges, extend
+ its range to the last symbol. */
+
+#ifndef YYLLOC_DEFAULT
+# define YYLLOC_DEFAULT(Current, Rhs, N) \
+ Current.last_line = Rhs[N].last_line; \
+ Current.last_column = Rhs[N].last_column;
#endif
-#ifdef YYPURE
-# ifdef YYLSP_NEEDED
+
+/* YYLEX -- calling `yylex' with the right arguments. */
+
+#if YYPURE
+# if YYLSP_NEEDED
# ifdef YYLEX_PARAM
# define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM)
# else
# define YYLEX yylex (&yylval)
# endif
# endif /* !YYLSP_NEEDED */
-#endif
-
-/* If nonreentrant, generate the variables here. */
-
-#ifndef YYPURE
-/* The lookahead symbol. */
-int yychar;
-
-/* The semantic value of the lookahead symbol. */
-YYSTYPE yylval;
-
-# ifdef YYLSP_NEEDED
-/* Location data for the lookahead symbol. */
-YYLTYPE yylloc;
-# endif
+#else /* !YYPURE */
+# define YYLEX yylex ()
+#endif /* !YYPURE */
-/* Number of parse errors so far. */
-int yynerrs;
-#endif /* !YYPURE */
/* Enable debugging if requested. */
#if YYDEBUG
#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++ */
-# ifndef __cplusplus
/* 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;
- char *from;
+ const char *from;
unsigned int count;
-{
- register char *f = from;
- register char *t = to;
- register int i = count;
-
- while (i-- > 0)
- *t++ = *f++;
-}
-
# else /* __cplusplus */
-
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
-static void
-__yy_memcpy (char *to, char *from, unsigned int count)
+__yy_memcpy (char *to, const char *from, unsigned int count)
+# endif
{
+ register const char *f = from;
register char *t = to;
- register char *f = from;
register int i = count;
while (i-- > 0)
*t++ = *f++;
}
-# endif
#endif
\f
#line
# endif
#endif
+/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
+ variables are global, or local to YYPARSE. */
+
+#define _YY_DECL_VARIABLES \
+/* The lookahead symbol. */ \
+int yychar; \
+ \
+/* The semantic value of the lookahead symbol. */ \
+YYSTYPE yylval; \
+ \
+/* Number of parse errors so far. */ \
+int yynerrs;
+
+#if YYLSP_NEEDED
+# define YY_DECL_VARIABLES \
+_YY_DECL_VARIABLES \
+ \
+/* Location data for the lookahead symbol. */ \
+YYLTYPE yylloc;
+#else
+# define YY_DECL_VARIABLES \
+_YY_DECL_VARIABLES
+#endif
+
+
+/* If nonreentrant, generate the variables here. */
+
+#if !YYPURE
+YY_DECL_VARIABLES
+#endif /* !YYPURE */
+
int
yyparse (YYPARSE_PARAM_ARG)
YYPARSE_PARAM_DECL
{
+ /* If reentrant, generate the variables here. */
+#if YYPURE
+ YY_DECL_VARIABLES
+#endif /* !YYPURE */
+
register int yystate;
register int yyn;
/* Number of tokens to shift before error messages enabled. */
YYSTYPE *yyvs = yyvsa;
register YYSTYPE *yyvsp;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
/* The location stack. */
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
#endif
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
# define YYPOPSTACK (yyvsp--, yyssp--)
int yystacksize = YYINITDEPTH;
int yyfree_stacks = 0;
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-# ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-# endif
-#endif
-
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
-# ifdef YYLSP_NEEDED
+# if YYLSP_NEEDED
YYLTYPE yyloc;
# endif
yyssp = yyss - 1;
yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp = yyls;
#endif
*/
YYSTYPE *yyvs1 = yyvs;
short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
YYLTYPE *yyls1 = yyls;
#endif
int size = yyssp - yyss + 1;
#ifdef yyoverflow
- /* Each stack pointer address is followed by the size of
- the data in use in that stack, in bytes. */
-# ifdef YYLSP_NEEDED
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. */
+# if YYLSP_NEEDED
/* 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",
# endif
yyss = yyss1; yyvs = yyvs1;
-# ifdef YYLSP_NEEDED
+# if YYLSP_NEEDED
yyls = yyls1;
# endif
#else /* no yyoverflow */
{
free (yyss);
free (yyvs);
-# ifdef YYLSP_NEEDED
+# if YYLSP_NEEDED
free (yyls);
# endif
}
yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp));
__yy_memcpy ((char *)yyvs, (char *)yyvs1,
size * (unsigned int) sizeof (*yyvsp));
-# ifdef YYLSP_NEEDED
+# if YYLSP_NEEDED
yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp));
__yy_memcpy ((char *)yyls, (char *)yyls1,
size * (unsigned int) sizeof (*yylsp));
yyssp = yyss + size - 1;
yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp = yyls + size - 1;
#endif
yychar = YYEMPTY;
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yyreduce:
/* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
- /* Implement default value of the action:
- `{dollar}{dollar} = {dollar}1'. */
- if (yylen > 0)
- yyval = yyvsp[1-yylen];
-#ifdef YYLSP_NEEDED
- /* Implement default location. If the rhs is empty, extend YYLOC to
- YYLLOC, which corresponds to the current token, otherwise
- implement `@{dollar} = Starts at @1, ends at @YYLEN'. */
- if (yylen > 0)
- {
- yyloc = yylsp[1-yylen];
- yyloc.last_line = yylsp[0].last_line;
- yyloc.last_column = yylsp[0].last_column;
- }
- else
- {
- yyloc.last_line = yylsp[0].last_line;
- yyloc.last_column = yylsp[0].last_column;
- yyloc.text = 0;
- }
+
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to the semantic value of
+ the lookahead token. This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+#if YYLSP_NEEDED
+ /* Similarly for the default location. Let the user run additional
+ commands if for instance locations are ranges. */
+ yyloc = yylsp[1-yylen];
+ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
#endif
#if YYDEBUG
fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
-$ /* The action file replaces this line marked with this dollarsign. */
+%% actions /* The action file replaces this line. */
#line
\f
yyvsp -= yylen;
yyssp -= yylen;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp -= yylen;
#endif
#endif
*++yyvsp = yyval;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
*++yylsp = yyloc;
#endif
count = 0;
/* Start X at -yyn if nec to avoid negative indexes in yycheck. */
for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof (yytname) / sizeof (char *)); x++)
+ x < (int) (sizeof (yytname) / sizeof (char *)); x++)
if (yycheck[x + yyn] == x)
size += strlen (yytname[x]) + 15, count++;
size += strlen ("parse error, unexpected `") + 1;
{
count = 0;
for (x = (yyn < 0 ? -yyn : 0);
- x < (sizeof (yytname) / sizeof (char *)); x++)
+ x < (int) (sizeof (yytname) / sizeof (char *)); x++)
if (yycheck[x + yyn] == x)
{
strcat (msg, count == 0 ? ", expecting `" : " or `");
YYABORT;
yyvsp--;
yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp--;
#endif
YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
{
free (yyss);
free (yyvs);
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
free (yyls);
#endif
}
{
free (yyss);
free (yyvs);
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
free (yyls);
#endif
}
projects / bison.git / blobdiff