/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "bison.simple"
-/* This file comes from bison-@bison_version@. */
-
+#line
/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Free Software Foundation, Inc.
+ Copyright 1984, 1989, 1990, 2000 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
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
- Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */
+ Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
This special exception was added by the Free Software Foundation
in version 1.24 of Bison. */
-/* This is the parser code that is written into each bison parser
- when the %semantic_parser declaration is not specified in the grammar.
- It was written by Richard Stallman by simplifying the hairy parser
- used when %semantic_parser is specified. */
+/* This is the parser code that is written into each bison parser when
+ the %semantic_parser declaration is not specified in the grammar.
+ It was written by Richard Stallman by simplifying the hairy parser
+ used when %semantic_parser is specified. */
#ifndef YYSTACK_USE_ALLOCA
-#ifdef alloca
-#define YYSTACK_USE_ALLOCA
-#else /* alloca not defined */
-#ifdef __GNUC__
-#define YYSTACK_USE_ALLOCA
-#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
-#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> */
+# ifdef alloca
+# define YYSTACK_USE_ALLOCA
+# else /* alloca not defined */
+# ifdef __GNUC__
+# define YYSTACK_USE_ALLOCA
+# 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
+# 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
-#else /* not MSDOS, or __TURBOC__, or _AIX */
-#if 0
-#ifdef __hpux /* haible@ilog.fr says this works for HPUX 9.05 and up,
- and on HPUX 10. Eventually we can turn this on. */
-#define YYSTACK_USE_ALLOCA
-#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 */
+# define YYSTACK_USE_ALLOCA
+# 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 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 */
#ifdef YYSTACK_USE_ALLOCA
-#define YYSTACK_ALLOC alloca
+# define YYSTACK_ALLOC alloca
#else
-#define YYSTACK_ALLOC malloc
+# 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
#define YYACCEPT goto yyacceptlab
#define YYABORT goto yyabortlab
#define YYERROR goto yyerrlab1
-/* Like YYERROR except do call yyerror.
- This remains here temporarily to ease the
- transition to the new meaning of YYERROR, for GCC.
+/* Like YYERROR except do call yyerror. This remains here temporarily
+ to ease the transition to the new meaning of YYERROR, for GCC.
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) \
- { yychar = (token), yylval = (value); \
+ { \
+ yychar = (Token); \
+ yylval = (Value); \
yychar1 = YYTRANSLATE (yychar); \
YYPOPSTACK; \
goto yybackup; \
} \
else \
- { yyerror ("syntax error: cannot back up"); YYERROR; } \
+ { \
+ yyerror ("syntax error: cannot back up"); \
+ YYERROR; \
+ } \
while (0)
#define YYTERROR 1
#define YYERRCODE 256
-#ifndef YYPURE
-#define YYLEX yylex()
-#endif
-
-#ifdef YYPURE
-#ifdef YYLSP_NEEDED
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, &yylloc, YYLEX_PARAM)
-#else
-#define YYLEX yylex(&yylval, &yylloc)
-#endif
-#else /* not YYLSP_NEEDED */
-#ifdef YYLEX_PARAM
-#define YYLEX yylex(&yylval, YYLEX_PARAM)
-#else
-#define YYLEX yylex(&yylval)
-#endif
-#endif /* not YYLSP_NEEDED */
-#endif
-
-/* If nonreentrant, generate the variables here */
-
-#ifndef YYPURE
-
-int yychar; /* the lookahead symbol */
-YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
-
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc; /* location data for the lookahead */
- /* symbol */
-#endif
-
-int yynerrs; /* number of parse errors so far */
-#endif /* not YYPURE */
-
-#if YYDEBUG != 0
-int yydebug; /* nonzero means print parse trace */
-/* Since this is uninitialized, it does not stop multiple parsers
- from coexisting. */
-#endif
-
-/* YYINITDEPTH indicates the initial size of the parser's stacks */
+/* 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, Last) \
+ Current.last_line = Last.last_line; \
+ Current.last_column = Last.last_column;
+#endif
+
+
+/* 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, &yylloc)
+# endif
+# else /* !YYLSP_NEEDED */
+# ifdef YYLEX_PARAM
+# define YYLEX yylex (&yylval, YYLEX_PARAM)
+# else
+# define YYLEX yylex (&yylval)
+# endif
+# endif /* !YYLSP_NEEDED */
+#else /* !YYPURE */
+# define YYLEX yylex ()
+#endif /* !YYPURE */
+
+
+/* Enable debugging if requested. */
+#if YYDEBUG
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ fprintf Args; \
+} while (0)
+/* Nonzero means print parse trace. [The following comment makes no
+ sense to me. Could someone clarify it? --akim] Since this is
+ uninitialized, it does not stop multiple parsers from coexisting.
+ */
+int yydebug;
+#else /* !YYDEBUG */
+# define YYDPRINTF(Args)
+#endif /* !YYDEBUG */
+
+/* YYINITDEPTH -- initial size of the parser's stacks. */
#ifndef YYINITDEPTH
-#define YYINITDEPTH 200
+# define YYINITDEPTH 200
#endif
-/* YYMAXDEPTH is the maximum size the stacks can grow to
- (effective only if the built-in stack extension method is used). */
-
+/* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
+ if the built-in stack extension method is used). */
#if YYMAXDEPTH == 0
-#undef YYMAXDEPTH
+# undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
+# define YYMAXDEPTH 10000
#endif
\f
/* Define __yy_memcpy. Note that the size argument
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)
+# define __yy_memcpy(To, From, Count) __builtin_memcpy (To, From, Count)
#else /* not GNU C or C++ */
-#ifndef __cplusplus
+# ifndef __cplusplus
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
*t++ = *f++;
}
-#else /* __cplusplus */
+# else /* __cplusplus */
/* This is the most reliable way to avoid incompatibilities
in available built-in functions on various systems. */
*t++ = *f++;
}
-#endif
+# endif
#endif
\f
-#line 216 "bison.simple"
+#line
/* The user can define YYPARSE_PARAM as the name of an argument to be passed
into yyparse. The argument should have type void *.
to the proper pointer type. */
#ifdef YYPARSE_PARAM
-#ifdef __cplusplus
-#define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL
-#else /* not __cplusplus */
-#define YYPARSE_PARAM_ARG YYPARSE_PARAM
-#define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
-#endif /* not __cplusplus */
-#else /* not YYPARSE_PARAM */
-#define YYPARSE_PARAM_ARG
-#define YYPARSE_PARAM_DECL
-#endif /* not YYPARSE_PARAM */
+# ifdef __cplusplus
+# define YYPARSE_PARAM_ARG void *YYPARSE_PARAM
+# define YYPARSE_PARAM_DECL
+# else /* !__cplusplus */
+# define YYPARSE_PARAM_ARG YYPARSE_PARAM
+# define YYPARSE_PARAM_DECL void *YYPARSE_PARAM;
+# endif /* !__cplusplus */
+#else /* !YYPARSE_PARAM */
+# define YYPARSE_PARAM_ARG
+# define YYPARSE_PARAM_DECL
+#endif /* !YYPARSE_PARAM */
/* Prevent warning if -Wstrict-prototypes. */
#ifdef __GNUC__
-#ifdef YYPARSE_PARAM
+# ifdef YYPARSE_PARAM
int yyparse (void *);
-#else
+# else
int yyparse (void);
-#endif
+# 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 (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. */
+ int yyerrstatus;
+ /* Lookahead token as an internal (translated) token number. */
+ int yychar1 = 0;
+
+ /* Three stacks and their tools:
+ `yyss': related to states,
+ `yysv': related to semantic values,
+ `yyls': related to locations.
+
+ Refer to the stacks thru separate pointers, to allow yyoverflow
+ to reallocate them elsewhere. */
+
+ /* The state stack. */
+ short yyssa[YYINITDEPTH];
+ short *yyss = yyssa;
register short *yyssp;
- register YYSTYPE *yyvsp;
- int yyerrstatus; /* number of tokens to shift before error messages enabled */
- int yychar1 = 0; /* lookahead token as an internal (translated) token number */
-
- short yyssa[YYINITDEPTH]; /* the state stack */
- YYSTYPE yyvsa[YYINITDEPTH]; /* the semantic value stack */
- short *yyss = yyssa; /* refer to the stacks thru separate pointers */
- YYSTYPE *yyvs = yyvsa; /* to allow yyoverflow to reallocate them elsewhere */
+ /* The semantic value stack. */
+ YYSTYPE yyvsa[YYINITDEPTH];
+ YYSTYPE *yyvs = yyvsa;
+ register YYSTYPE *yyvsp;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylsa[YYINITDEPTH]; /* the location stack */
+#if YYLSP_NEEDED
+ /* The location stack. */
+ YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
YYLTYPE *yylsp;
+#endif
-#define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
+#if YYLSP_NEEDED
+# define YYPOPSTACK (yyvsp--, yyssp--, yylsp--)
#else
-#define YYPOPSTACK (yyvsp--, yyssp--)
+# define YYPOPSTACK (yyvsp--, yyssp--)
#endif
int yystacksize = YYINITDEPTH;
int yyfree_stacks = 0;
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-#endif
-#endif
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+# if YYLSP_NEEDED
+ YYLTYPE yyloc;
+# endif
+ /* When reducing, the number of symbols on the RHS of the reduced
+ rule. */
int yylen;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Starting parse\n");
-#endif
+ YYDPRINTF ((stderr, "Starting parse\n"));
yystate = 0;
yyerrstatus = 0;
yyssp = yyss - 1;
yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp = yyls;
#endif
-/* Push a new state, which is found in yystate . */
-/* In all cases, when you get here, the value and location stacks
- have just been pushed. so pushing a state here evens the stacks. */
-yynewstate:
+/*------------------------------------------------------------.
+| yynewstate -- Push a new state, which is found in yystate. |
+`------------------------------------------------------------*/
+yynewstate:
+ /* In all cases, when you get here, the value and location stacks
+ have just been pushed. so pushing a state here evens the stacks.
+ */
*++yyssp = yystate;
if (yyssp >= yyss + yystacksize - 1)
{
- /* Give user a chance to reallocate the stack */
- /* Use copies of these so that the &'s don't force the real ones into memory. */
+ /* Give user a chance to reallocate the stack. Use copies of
+ these so that the &'s don't force the real ones into memory.
+ */
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",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yyls1, size * sizeof (*yylsp),
- &yystacksize);
-#else
- yyoverflow("parser stack overflow",
- &yyss1, size * sizeof (*yyssp),
- &yyvs1, size * sizeof (*yyvsp),
- &yystacksize);
-#endif
+ yyoverflow ("parser stack overflow",
+ &yyss1, size * sizeof (*yyssp),
+ &yyvs1, size * sizeof (*yyvsp),
+ &yyls1, size * sizeof (*yylsp),
+ &yystacksize);
+# else
+ yyoverflow ("parser stack overflow",
+ &yyss1, size * sizeof (*yyssp),
+ &yyvs1, size * sizeof (*yyvsp),
+ &yystacksize);
+# endif
yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
+# if YYLSP_NEEDED
yyls = yyls1;
-#endif
+# endif
#else /* no yyoverflow */
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
{
- yyerror("parser stack overflow");
+ yyerror ("parser stack overflow");
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
-#ifdef YYLSP_NEEDED
+# if YYLSP_NEEDED
free (yyls);
-#endif
+# endif
}
return 2;
}
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
-#ifndef YYSTACK_USE_ALLOCA
+# ifndef YYSTACK_USE_ALLOCA
yyfree_stacks = 1;
-#endif
+# endif
yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp));
__yy_memcpy ((char *)yyss, (char *)yyss1,
size * (unsigned int) sizeof (*yyssp));
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));
-#endif
+# endif
#endif /* no yyoverflow */
yyssp = yyss + size - 1;
yyvsp = yyvs + size - 1;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp = yyls + size - 1;
#endif
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
+ YYDPRINTF ((stderr, "Stack size increased to %d\n", yystacksize));
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
-#endif
+ YYDPRINTF ((stderr, "Entering state %d\n", yystate));
goto yybackup;
- yybackup:
+
+
+/*-----------.
+| yybackup. |
+`-----------*/
+yybackup:
/* Do appropriate processing given the current state. */
/* Read a lookahead token if we need one and don't already have one. */
if (yychar == YYEMPTY)
{
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Reading a token: ");
-#endif
+ YYDPRINTF ((stderr, "Reading a token: "));
yychar = YYLEX;
}
yychar1 = 0;
yychar = YYEOF; /* Don't call YYLEX any more */
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
-#endif
+ YYDPRINTF ((stderr, "Now at end of input.\n"));
}
else
{
- yychar1 = YYTRANSLATE(yychar);
+ yychar1 = YYTRANSLATE (yychar);
-#if YYDEBUG != 0
+#if YYDEBUG
+ /* We have to keep this `#if YYDEBUG', since we use variables
+ which are defined only if `YYDEBUG' is set. */
if (yydebug)
{
fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]);
- /* Give the individual parser a way to print the precise meaning
- of a token, for further debugging info. */
-#ifdef YYPRINT
+ /* Give the individual parser a way to print the precise
+ meaning of a token, for further debugging info. */
+# ifdef YYPRINT
YYPRINT (stderr, yychar, yylval);
-#endif
+# endif
fprintf (stderr, ")\n");
}
#endif
YYACCEPT;
/* Shift the lookahead token. */
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
+ YYDPRINTF ((stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]));
/* Discard the token being shifted unless it is eof. */
if (yychar != YYEOF)
yychar = YYEMPTY;
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
- /* count tokens shifted since error; after three, turn off error status. */
- if (yyerrstatus) yyerrstatus--;
+ /* Count tokens shifted since error; after three, turn off error
+ status. */
+ if (yyerrstatus)
+ yyerrstatus--;
yystate = yyn;
goto yynewstate;
-/* Do the default action for the current state. */
-yydefault:
+/*-----------------------------------------------------------.
+| yydefault -- do the default action for the current state. |
+`-----------------------------------------------------------*/
+yydefault:
yyn = yydefact[yystate];
if (yyn == 0)
goto yyerrlab;
+ goto yyreduce;
+
-/* Do a reduction. yyn is the number of a rule to reduce with. */
+/*-----------------------------.
+| yyreduce -- Do a reduction. |
+`-----------------------------*/
yyreduce:
+ /* yyn is the number of a rule to reduce with. */
yylen = yyr2[yyn];
- if (yylen > 0)
- yyval = yyvsp[1-yylen]; /* implement default value of the action */
-#if YYDEBUG != 0
+ /* If YYLEN is nonzero, implement the default value of the action:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to the semantic value of
+ the lookahead token. This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+#if YYLSP_NEEDED
+ /* Similarly for the default location. Let the user run additional
+ commands if for instance locations are ranges. */
+ yyloc = yylsp[1-yylen];
+ YYLLOC_DEFAULT (yyloc, yylsp[0]);
+#endif
+
+#if YYDEBUG
+ /* We have to keep this `#if YYDEBUG', since we use variables which
+ are defined only if `YYDEBUG' is set. */
if (yydebug)
{
int i;
fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
-
-$ /* the action file gets copied in in place of this dollarsign */
-#line 542 "bison.simple"
+%% actions /* The action file replaces this line. */
+#line
\f
yyvsp -= yylen;
yyssp -= yylen;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp -= yylen;
#endif
-#if YYDEBUG != 0
+#if YYDEBUG
if (yydebug)
{
short *ssp1 = yyss - 1;
#endif
*++yyvsp = yyval;
-
-#ifdef YYLSP_NEEDED
- yylsp++;
- if (yylen == 0)
- {
- yylsp->first_line = yylloc.first_line;
- yylsp->first_column = yylloc.first_column;
- yylsp->last_line = (yylsp-1)->last_line;
- yylsp->last_column = (yylsp-1)->last_column;
- yylsp->text = 0;
- }
- else
- {
- yylsp->last_line = (yylsp+yylen-1)->last_line;
- yylsp->last_column = (yylsp+yylen-1)->last_column;
- }
+#if YYLSP_NEEDED
+ *++yylsp = yyloc;
#endif
- /* Now "shift" the result of the reduction.
- Determine what state that goes to,
- based on the state we popped back to
- and the rule number reduced by. */
+ /* Now `shift' the result of the reduction. Determine what state
+ that goes to, based on the state we popped back to and the rule
+ number reduced by. */
yyn = yyr1[yyn];
goto yynewstate;
-yyerrlab: /* here on detecting error */
- if (! yyerrstatus)
- /* If not already recovering from an error, report this error. */
+/*------------------------------------.
+| yyerrlab -- here on detecting error |
+`------------------------------------*/
+yyerrlab:
+ /* If not already recovering from an error, report this error. */
+ if (!yyerrstatus)
{
++yynerrs;
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++;
- msg = (char *) malloc(size + 15);
+ size += strlen (yytname[x]) + 15, count++;
+ size += strlen ("parse error, unexpected `") + 1;
+ size += strlen (yytname[YYTRANSLATE (yychar)]);
+ msg = (char *) malloc (size);
if (msg != 0)
{
- strcpy(msg, "parse error");
+ strcpy (msg, "parse error, unexpected `");
+ strcat (msg, yytname[YYTRANSLATE (yychar)]);
+ strcat (msg, "'");
if (count < 5)
{
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 `");
- strcat(msg, yytname[x]);
- strcat(msg, "'");
+ strcat (msg, count == 0 ? ", expecting `" : " or `");
+ strcat (msg, yytname[x]);
+ strcat (msg, "'");
count++;
}
}
- yyerror(msg);
- free(msg);
+ yyerror (msg);
+ free (msg);
}
else
yyerror ("parse error; also virtual memory exceeded");
}
else
#endif /* YYERROR_VERBOSE */
- yyerror("parse error");
+ yyerror ("parse error");
}
-
goto yyerrlab1;
-yyerrlab1: /* here on error raised explicitly by an action */
+
+/*--------------------------------------------------.
+| yyerrlab1 -- error raised explicitly by an action |
+`--------------------------------------------------*/
+yyerrlab1:
if (yyerrstatus == 3)
{
- /* if just tried and failed to reuse lookahead token after an error, discard it. */
+ /* If just tried and failed to reuse lookahead token after an
+ error, discard it. */
/* return failure if at end of input */
if (yychar == YYEOF)
YYABORT;
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Discarding token %d (%s).\n", yychar, yytname[yychar1]);
-#endif
-
+ YYDPRINTF ((stderr, "Discarding token %d (%s).\n",
+ yychar, yytname[yychar1]));
yychar = YYEMPTY;
}
- /* Else will try to reuse lookahead token
- after shifting the error token. */
+ /* Else will try to reuse lookahead token after shifting the error
+ token. */
yyerrstatus = 3; /* Each real token shifted decrements this */
goto yyerrhandle;
-yyerrdefault: /* current state does not do anything special for the error token. */
+/*-------------------------------------------------------------------.
+| yyerrdefault -- current state does not do anything special for the |
+| error token. |
+`-------------------------------------------------------------------*/
+yyerrdefault:
#if 0
/* This is wrong; only states that explicitly want error tokens
should shift them. */
- yyn = yydefact[yystate]; /* If its default is to accept any token, ok. Otherwise pop it.*/
- if (yyn) goto yydefault;
+
+ /* If its default is to accept any token, ok. Otherwise pop it. */
+ yyn = yydefact[yystate];
+ if (yyn)
+ goto yydefault;
#endif
-yyerrpop: /* pop the current state because it cannot handle the error token */
- if (yyssp == yyss) YYABORT;
+/*---------------------------------------------------------------.
+| yyerrpop -- pop the current state because it cannot handle the |
+| error token |
+`---------------------------------------------------------------*/
+yyerrpop:
+ if (yyssp == yyss)
+ YYABORT;
yyvsp--;
yystate = *--yyssp;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp--;
#endif
-#if YYDEBUG != 0
+#if YYDEBUG
if (yydebug)
{
short *ssp1 = yyss - 1;
}
#endif
+/*--------------.
+| yyerrhandle. |
+`--------------*/
yyerrhandle:
-
yyn = yypact[yystate];
if (yyn == YYFLAG)
goto yyerrdefault;
if (yyn == YYFINAL)
YYACCEPT;
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting error token, ");
-#endif
+ YYDPRINTF ((stderr, "Shifting error token, "));
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
- yyacceptlab:
- /* YYACCEPT comes here. */
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
free (yyls);
#endif
}
return 0;
- yyabortlab:
- /* YYABORT comes here. */
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
if (yyfree_stacks)
{
free (yyss);
free (yyvs);
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
free (yyls);
#endif
}
projects / bison.git / blobdiff