-/* -*-C-*- Note some compilers choke on comments on `#line' lines. */
-#line 3 "bison.simple"
+%%{section} %%{body} %%".c" %%{yacc}
+/* -*- C -*- */
+
+/* A Bison parser, made from %%{filename}
+ by GNU bison %%{version}. */
/* Skeleton output parser for bison,
- Copyright (C) 1984, 1989, 1990 Bob Corbett and Richard Stallman
+ 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
- the Free Software Foundation; either version 1, or (at your option)
+ the Free Software Foundation; either version 2, or (at your option)
any later version.
This program is distributed in the hope that it will be useful,
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. */
+
+/* Identify Bison output. */
+#define YYBISON 1
+
+/* Pure parsers. */
+#define YYPURE %%{pure}
+
+/* Using locations. */
+#define YYLSP_NEEDED %%{locations-flag}
+
+/* If NAME_PREFIX is specified substitute the variables and functions
+ names. */
+#define yyparse %%{prefix}parse
+#define yylex %%{prefix}lex
+#define yyerror %%{prefix}error
+#define yylval %%{prefix}lval
+#define yychar %%{prefix}char
+#define yydebug %%{prefix}debug
+#define yynerrs %%{prefix}nerrs
+#if YYLSP_NEEDED
+# define yylloc %%{prefix}lloc
+#endif
-#ifndef alloca
-#ifdef __GNUC__
-#define alloca __builtin_alloca
-#else /* not GNU C. */
-#if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi)
-#include <alloca.h>
-#else /* not sparc */
-#if defined (MSDOS) && !defined (__TURBOC__)
-#include <malloc.h>
-#else /* not MSDOS, or __TURBOC__ */
-#if defined(_AIX)
-#include <malloc.h>
- #pragma alloca
-#else /* not MSDOS, __TURBOC__, or _AIX */
-#ifdef __hpux
+/* Copy the user declarations. */
+%%{prologue}
+
+/* Enabling traces. */
+#ifndef YYDEBUG
+# define YYDEBUG %%{debug}
+#endif
+
+/* Enabling verbose error messages. */
+#ifdef YYERROR_VERBOSE
+# undef YYERROR_VERBOSE
+# define YYERROR_VERBOSE 1
+#else
+# define YYERROR_VERBOSE %%{error-verbose}
+#endif
+
+#ifndef YYSTYPE
+typedef %%{stype} yystype;
+# define YYSTYPE yystype
+#endif
+
+#ifndef YYLTYPE
+typedef struct yyltype
+{
+ int first_line;
+ int first_column;
+ int last_line;
+ int last_column;
+} yyltype;
+# define YYLTYPE %%{ltype}
+#endif
+
+/* Line %%{skeleton-line} of %%{skeleton}. */
+#line %%{line} "%%{parser-file-name}"
+
+/* 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 library symbols; they are noted "INFRINGES ON
+ USER NAME SPACE" below. */
+
#ifdef __cplusplus
-extern "C" {
-void *alloca (unsigned int);
+# define YYSTD(x) std::x
+#else
+# define YYSTD(x) x
+#endif
+
+#if ! defined (yyoverflow) || defined (YYERROR_VERBOSE)
+
+/* The parser invokes alloca or malloc; define the necessary symbols. */
+
+# if YYSTACK_USE_ALLOCA
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T YYSTD (size_t)
+# else
+# ifndef YYSTACK_USE_ALLOCA
+# if defined (alloca) || defined (_ALLOCA_H)
+# define YYSTACK_ALLOC alloca
+# define YYSIZE_T YYSTD (size_t)
+# else
+# ifdef __GNUC__
+# define YYSTACK_ALLOC __builtin_alloca
+# endif
+# endif
+# endif
+# endif
+
+# ifdef YYSTACK_ALLOC
+ /* Pacify GCC's `empty if-body' warning. */
+# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
+# else
+# ifdef __cplusplus
+# include <cstdlib> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T std::size_t
+# else
+# ifdef __STDC__
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# endif
+# define YYSTACK_ALLOC YYSTD (malloc)
+# define YYSTACK_FREE YYSTD (free)
+# endif
+
+/* A type that is properly aligned for any stack member. */
+union yyalloc
+{
+ short yyss;
+ YYSTYPE yyvs;
+# if YYLSP_NEEDED
+ YYLTYPE yyls;
+# endif
};
-#else /* not __cplusplus */
-void *alloca ();
-#endif /* not __cplusplus */
-#endif /* __hpux */
-#endif /* not _AIX */
-#endif /* not MSDOS, or __TURBOC__ */
-#endif /* not sparc. */
-#endif /* not GNU C. */
-#endif /* alloca not defined. */
-
-/* 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. */
-
-/* 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. */
+
+/* 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 ((char *) yyptr, (char *) (Stack), \
+ yysize * (YYSIZE_T) sizeof (Type)); \
+ Stack = &yyptr->Stack; \
+ yynewbytes = yystacksize * sizeof (Type) + YYSTACK_GAP_MAX; \
+ yyptr += yynewbytes / sizeof (*yyptr); \
+ } \
+ while (0)
+
+#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+
+/* Tokens. */
+%%{tokendef}
+
+/* YYFINAL -- State number of the termination state. */
+#define YYFINAL %%{final}
+#define YYFLAG %%{flag}
+#define YYLAST %%{last}
+
+/* YYNTOKENS -- Number of terminals. */
+#define YYNTOKENS %%{ntokens}
+/* YYNNTS -- Number of nonterminals. */
+#define YYNNTS %%{nnts}
+/* YYNRULES -- Number of rules. */
+#define YYNRULES %%{nrules}
+/* YYNRULES -- Number of states. */
+#define YYNSTATES %%{nstates}
+#define YYMAXUTOK %%{maxtok}
+
+/* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
+#define YYTRANSLATE(x) ((unsigned)(x) <= %%{maxtok} ? yytranslate[x] : %%{nsym})
+
+/* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
+static const char yytranslate[] =
+{
+ %%{translate}
+};
+
+#if YYDEBUG
+/* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
+ YYRHS. */
+static const short yyprhs[] =
+{
+ %%{prhs}
+};
+
+/* YYRHS -- A `-1'-separated list of the rules' RHS. */
+static const short yyrhs[] =
+{
+ %%{rhs}
+};
+
+/* YYRLINE[YYN] -- source line where rule number YYN was defined. */
+static const short yyrline[] =
+{
+ %%{rline}
+};
+#endif
+
+#if (YYDEBUG) || YYERROR_VERBOSE
+/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+ First, the terminals, then, starting at YYNTOKENS, nonterminals. */
+static const char *const yytname[] =
+{
+ %%{tname}
+};
+#endif
+
+/* YYTOKNUM[YYN] -- Index in YYTNAME corresponding to YYLEX. */
+static const short yytoknum[] =
+{
+ %%{toknum}
+};
+
+/* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
+static const short yyr1[] =
+{
+ %%{r1}
+};
+
+/* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
+static const short yyr2[] =
+{
+ %%{r2}
+};
+
+/* YYDEFACT[S] -- default rule to reduce with in state S when YYTABLE
+ doesn't specify something else to do. Zero means the default is an
+ error. */
+static const short yydefact[] =
+{
+ %%{defact}
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const short yydefgoto[] =
+{
+ %%{defgoto}
+};
+
+/* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
+ STATE-NUM. */
+static const short yypact[] =
+{
+ %%{pact}
+};
+
+/* YYPGOTO[NTERM-NUM]. */
+static const short yypgoto[] =
+{
+ %%{pgoto}
+};
+
+/* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
+ positive, shift that token. If negative, reduce the rule which
+ number is the opposite. If zero, do what YYDEFACT says. */
+static const short yytable[] =
+{
+ %%{table}
+};
+
+static const short yycheck[] =
+{
+ %%{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)
+# ifdef __cplusplus
+# include <cstddef> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T std::size_t
+# else
+# ifdef __STDC__
+# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
+# define YYSIZE_T size_t
+# endif
+# endif
+#endif
+#if ! defined (YYSIZE_T)
+# define YYSIZE_T unsigned int
+#endif
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY -2
#define YYEOF 0
-#define YYACCEPT return(0)
-#define YYABORT return(1)
+
+#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
-#define YYLEX yylex(&yylval, &yylloc)
-#else
-#define YYLEX yylex(&yylval)
-#endif
-#endif
-
-/* If nonreentrant, generate the variables here */
-
-#ifndef YYPURE
+/* YYLLOC_DEFAULT -- Compute the default location (before the actions
+ are run).
-int yychar; /* the lookahead symbol */
-YYSTYPE yylval; /* the semantic value of the */
- /* lookahead symbol */
+ 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. */
-#ifdef YYLSP_NEEDED
-YYLTYPE yylloc; /* location data for the lookahead */
- /* 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
-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 */
-
+/* 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
+
+# ifndef YYFPRINTF
+# ifdef __cplusplus
+# include <cstdio.h> /* INFRINGES ON USER NAME SPACE */
+# else
+# include <stdio.h> /* INFRINGES ON USER NAME SPACE */
+# endif
+# define YYFPRINTF YYSTD (fprintf)
+# define YYSTDERR YYSTD (stderr)
+# endif
+
+# define YYDPRINTF(Args) \
+do { \
+ if (yydebug) \
+ YYFPRINTF 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 %%{initdepth}
#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).
+
+ 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
+# undef YYMAXDEPTH
#endif
#ifndef YYMAXDEPTH
-#define YYMAXDEPTH 10000
+# define YYMAXDEPTH %%{maxdepth}
#endif
-/* Prevent warning if -Wstrict-prototypes. */
-#ifdef __GNUC__
-int yyparse (void);
-#endif
\f
-#if __GNUC__ > 1 /* GNU C and GNU C++ define this. */
-#define __yy_bcopy(FROM,TO,COUNT) __builtin_memcpy(TO,FROM,COUNT)
-#else /* not GNU C or C++ */
-#ifndef __cplusplus
+
+#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
-__yy_bcopy (from, to, count)
- char *from;
- char *to;
- int count;
+# 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 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
-#else /* __cplusplus */
+#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;
-/* This is the most reliable way to avoid incompatibilities
- in available built-in functions on various systems. */
-static void
-__yy_bcopy (char *from, char *to, int count)
+ 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 *
+# if defined (__STDC__) || defined (__cplusplus)
+yystpcpy (char *yydest, const char *yysrc)
+# else
+yystpcpy (yydest, yysrc)
+ char *yydest;
+ const char *yysrc;
+# endif
{
- register char *f = from;
- register char *t = to;
- register int i = count;
+ register char *yyd = yydest;
+ register const char *yys = yysrc;
- while (i-- > 0)
- *t++ = *f++;
+ while ((*yyd++ = *yys++) != '\0')
+ continue;
+
+ return yyd - 1;
}
+# endif
+# endif
+
+#endif /* !YYERROR_VERBOSE */
+
+\f
+
+/* The user can define YYPARSE_PARAM as the name of an argument to be passed
+ into yyparse. The argument should have type void *.
+ It should actually point to an object.
+ Grammar actions can access the variable by casting it
+ to the proper pointer type. */
+
+#ifdef 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
+int yyparse (void *);
+# else
+int yyparse (void);
+# endif
#endif
+
+/* YY_DECL_VARIABLES -- depending whether we use a pure parser,
+ variables are global, or local to YYPARSE. */
+
+#define YY_DECL_NON_LSP_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_NON_LSP_VARIABLES \
+ \
+/* Location data for the lookahead symbol. */ \
+YYLTYPE yylloc;
+#else
+# define YY_DECL_VARIABLES \
+YY_DECL_NON_LSP_VARIABLES
#endif
-\f
-#line 184 "bison.simple"
+
+/* If nonreentrant, generate the variables here. */
+
+#if !YYPURE
+YY_DECL_VARIABLES
+#endif /* !YYPURE */
+
int
-yyparse()
+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;
+ int yyresult;
+ /* 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,
+ `yyvs': 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;
+ YYSIZE_T yystacksize = YYINITDEPTH;
-#ifdef YYPURE
- int yychar;
- YYSTYPE yylval;
- int yynerrs;
-#ifdef YYLSP_NEEDED
- YYLTYPE yylloc;
-#endif
+ /* The variables used to return semantic value and location from the
+ action routines. */
+ YYSTYPE yyval;
+#if YYLSP_NEEDED
+ YYLTYPE yyloc;
#endif
- YYSTYPE yyval; /* the variable used to return */
- /* semantic values from the action */
- /* routines */
-
+ /* 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 ((YYSTDERR, "Starting parse\n"));
yystate = 0;
yyerrstatus = 0;
so that they stay on the same level as the state stack.
The wasted elements are never initialized. */
- yyssp = yyss - 1;
+ yyssp = yyss;
yyvsp = yyvs;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
yylsp = yyls;
#endif
+ goto yysetstate;
-/* 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++;
- *++yyssp = yystate;
+ yysetstate:
+ *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. */
- YYSTYPE *yyvs1 = yyvs;
- short *yyss1 = yyss;
-#ifdef YYLSP_NEEDED
- YYLTYPE *yyls1 = yyls;
-#endif
-
/* Get the current used size of the three stacks, in elements. */
- int size = yyssp - yyss + 1;
+ YYSIZE_T yysize = 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
- /* 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
-
- yyss = yyss1; yyvs = yyvs1;
-#ifdef YYLSP_NEEDED
- yyls = yyls1;
-#endif
+ {
+ /* 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;
+
+ /* Each stack pointer address is followed by the size of the
+ data in use in that stack, in bytes. */
+# if YYLSP_NEEDED
+ YYLTYPE *yyls1 = yyls;
+ /* 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, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yyls1, yysize * sizeof (*yylsp),
+ &yystacksize);
+ yyls = yyls1;
+# else
+ yyoverflow ("parser stack overflow",
+ &yyss1, yysize * sizeof (*yyssp),
+ &yyvs1, yysize * sizeof (*yyvsp),
+ &yystacksize);
+# endif
+ yyss = yyss1;
+ yyvs = yyvs1;
+ }
#else /* no yyoverflow */
/* Extend the stack our own way. */
if (yystacksize >= YYMAXDEPTH)
- {
- yyerror("parser stack overflow");
- return 2;
- }
+ goto yyoverflowlab;
yystacksize *= 2;
if (yystacksize > YYMAXDEPTH)
yystacksize = YYMAXDEPTH;
- yyss = (short *) alloca (yystacksize * sizeof (*yyssp));
- __yy_bcopy ((char *)yyss1, (char *)yyss, size * sizeof (*yyssp));
- yyvs = (YYSTYPE *) alloca (yystacksize * sizeof (*yyvsp));
- __yy_bcopy ((char *)yyvs1, (char *)yyvs, size * sizeof (*yyvsp));
-#ifdef YYLSP_NEEDED
- yyls = (YYLTYPE *) alloca (yystacksize * sizeof (*yylsp));
- __yy_bcopy ((char *)yyls1, (char *)yyls, size * sizeof (*yylsp));
-#endif
+
+ {
+ short *yyss1 = yyss;
+ union yyalloc *yyptr =
+ (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
+ if (! yyptr)
+ goto yyoverflowlab;
+ YYSTACK_RELOCATE (short, yyss);
+ YYSTACK_RELOCATE (YYSTYPE, yyvs);
+# if YYLSP_NEEDED
+ 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;
-#ifdef YYLSP_NEEDED
- yylsp = yyls + size - 1;
+ yyssp = yyss + yysize - 1;
+ yyvsp = yyvs + yysize - 1;
+#if YYLSP_NEEDED
+ yylsp = yyls + yysize - 1;
#endif
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Stack size increased to %d\n", yystacksize);
-#endif
+ YYDPRINTF ((YYSTDERR, "Stack size increased to %lu\n",
+ (unsigned long int) yystacksize));
if (yyssp >= yyss + yystacksize - 1)
YYABORT;
}
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Entering state %d\n", yystate);
-#endif
+ YYDPRINTF ((YYSTDERR, "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 ((YYSTDERR, "Reading a token: "));
yychar = YYLEX;
}
- /* Convert token to internal form (in yychar1) for indexing tables with */
+ /* Convert token to internal form (in yychar1) for indexing tables with. */
- if (yychar <= 0) /* This means end of input. */
+ if (yychar <= 0) /* This means end of input. */
{
yychar1 = 0;
- yychar = YYEOF; /* Don't call YYLEX any more */
+ yychar = YYEOF; /* Don't call YYLEX any more. */
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Now at end of input.\n");
-#endif
+ YYDPRINTF ((YYSTDERR, "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
- YYPRINT (stderr, yychar, yylval);
-#endif
- fprintf (stderr, ")\n");
+ YYFPRINTF (YYSTDERR, "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
+ YYPRINT (YYSTDERR, yychar, yylval);
+# endif
+ YYFPRINTF (YYSTDERR, ")\n");
}
#endif
}
YYACCEPT;
/* Shift the lookahead token. */
-
-#if YYDEBUG != 0
- if (yydebug)
- fprintf(stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1]);
-#endif
+ YYDPRINTF ((YYSTDERR, "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:
+ `$$ = $1'.
+
+ Otherwise, the following line sets YYVAL to the semantic value of
+ the lookahead token. This behavior is undocumented and Bison
+ users should not rely upon it. Assigning to YYVAL
+ unconditionally makes the parser a bit smaller, and it avoids a
+ GCC warning that YYVAL may be used uninitialized. */
+ yyval = yyvsp[1-yylen];
+
+#if YYLSP_NEEDED
+ /* Similarly for the default location. Let the user run additional
+ commands if for instance locations are ranges. */
+ yyloc = yylsp[1-yylen];
+ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);
+#endif
+
+#if YYDEBUG
+ /* We have to keep this `#if YYDEBUG', since we use variables which
+ are defined only if `YYDEBUG' is set. */
if (yydebug)
{
- int i;
+ int yyi;
- fprintf (stderr, "Reducing via rule %d (line %d), ",
- yyn, yyrline[yyn]);
+ YYFPRINTF (YYSTDERR, "Reducing via rule %d (line %d), ",
+ yyn - 1, yyrline[yyn]);
/* Print the symbols being reduced, and their result. */
- for (i = yyprhs[yyn]; yyrhs[i] > 0; i++)
- fprintf (stderr, "%s ", yytname[yyrhs[i]]);
- fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]);
+ for (yyi = yyprhs[yyn]; yyrhs[yyi] >= 0; yyi++)
+ YYFPRINTF (YYSTDERR, "%s ", yytname[yyrhs[yyi]]);
+ YYFPRINTF (YYSTDERR, " -> %s\n", yytname[yyr1[yyn]]);
}
#endif
+ switch (yyn)
+ {
+ %%{actions}
+ }
-$ /* the action file gets copied in in place of this dollarsign */
-#line 465 "bison.simple"
+/* Line %%{skeleton-line} of %%{skeleton}. */
+#line %%{line} "%%{parser-file-name}"
\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;
- fprintf (stderr, "state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
+ short *yyssp1 = yyss - 1;
+ YYFPRINTF (YYSTDERR, "state stack now");
+ while (yyssp1 != yyssp)
+ YYFPRINTF (YYSTDERR, " %d", *++yyssp1);
+ YYFPRINTF (YYSTDERR, "\n");
}
#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];
- yystate = yypgoto[yyn - YYNTBASE] + *yyssp;
+ yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp)
yystate = yytable[yystate];
else
- yystate = yydefgoto[yyn - YYNTBASE];
+ yystate = yydefgoto[yyn - YYNTOKENS];
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;
-#ifdef YYERROR_VERBOSE
+#if YYERROR_VERBOSE
yyn = yypact[yystate];
if (yyn > YYFLAG && yyn < YYLAST)
{
- int size = 0;
- char *msg;
- int x, count;
-
- 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++)
- if (yycheck[x + yyn] == x)
- size += strlen(yytname[x]) + 15, count++;
- msg = (char *) malloc(size + 15);
- if (msg != 0)
+ YYSIZE_T yysize = 0;
+ char *yymsg;
+ int yyx, yycount;
+
+ yycount = 0;
+ /* Start YYX at -YYN if negative to avoid negative indexes in
+ YYCHECK. */
+ 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");
+ 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 < (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]);
- strcat(msg, "'");
- 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 exceeded");
- }
+ yyerror (yymsg);
+ YYSTACK_FREE (yymsg);
+ }
+ else
+ yyerror ("parse error; also virtual memory exhausted");
+ }
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 */
+ /* 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 ((YYSTDERR, "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 */
+ 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;
- fprintf (stderr, "Error: state stack now");
- while (ssp1 != yyssp)
- fprintf (stderr, " %d", *++ssp1);
- fprintf (stderr, "\n");
+ short *yyssp1 = yyss - 1;
+ YYFPRINTF (YYSTDERR, "Error: state stack now");
+ while (yyssp1 != yyssp)
+ YYFPRINTF (YYSTDERR, " %d", *++yyssp1);
+ YYFPRINTF (YYSTDERR, "\n");
}
#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 ((YYSTDERR, "Shifting error token, "));
*++yyvsp = yylval;
-#ifdef YYLSP_NEEDED
+#if YYLSP_NEEDED
*++yylsp = yylloc;
#endif
yystate = yyn;
goto yynewstate;
+
+
+/*-------------------------------------.
+| yyacceptlab -- YYACCEPT comes here. |
+`-------------------------------------*/
+yyacceptlab:
+ yyresult = 0;
+ goto yyreturn;
+
+/*-----------------------------------.
+| yyabortlab -- YYABORT comes here. |
+`-----------------------------------*/
+yyabortlab:
+ 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 yyresult;
}
+
+%%{epilogue}
projects / bison.git / blobdiff