m4_divert(-1) -*- C -*-
# Yacc compatible skeleton for Bison
-# Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004
+
+# Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005
# Free Software Foundation, Inc.
# This program is free software; you can redistribute it and/or modify
# 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., 59 Temple Place, Suite 330, Boston, MA
-# 02111-1307 USA
+# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
+# 02110-1301 USA
# --------------------
# Expansion of $<TYPE>$.
m4_define([b4_lhs_value],
-[yyval[]m4_ifval([$1], [.$1])])
+[(yyval[]m4_ifval([$1], [.$1]))])
# b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
# Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
# symbols on RHS.
m4_define([b4_rhs_value],
-[yyvsp@{m4_eval([$2 - $1])@}m4_ifval([$3], [.$3])])
+[(yyvsp@{m4_eval([$2 - $1])@}m4_ifval([$3], [.$3]))])
# -----------------
# Expansion of @$.
m4_define([b4_lhs_location],
-[yyloc])
+[(yyloc)])
# b4_rhs_location(RULE-LENGTH, NUM)
# Expansion of @NUM, where the current rule has RULE-LENGTH symbols
# on RHS.
m4_define([b4_rhs_location],
-[yylsp@{m4_eval([$2 - $1])@}])
+[(yylsp@{m4_eval([$2 - $1])@})])
m4_divert(0)dnl
@output @output_parser_name@
b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
- [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004])[
+ [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005])[
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
/* Line __line__ of yacc.c. */
b4_syncline([@oline@], [@ofile@])[
-#if ! defined (yyoverflow) || YYERROR_VERBOSE
+#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
-# ifndef YYFREE
-# define YYFREE free
+#ifndef YY_
+# if YYENABLE_NLS
+# if ENABLE_NLS
+# include <libintl.h> /* INFRINGES ON USER NAME SPACE */
+# define YY_(msgid) dgettext ("bison-runtime", msgid)
+# endif
# endif
-# ifndef YYMALLOC
-# define YYMALLOC malloc
+# ifndef YY_
+# define YY_(msgid) msgid
# endif
+#endif
+
+#if ! defined (yyoverflow) || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# ifdef YYSTACK_USE_ALLOCA
# if YYSTACK_USE_ALLOCA
-# define YYSTACK_ALLOC alloca
-# endif
-# else
-# if defined (alloca) || defined (_ALLOCA_H)
-# define YYSTACK_ALLOC alloca
-# else
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
+# else
+# define YYSTACK_ALLOC alloca
+# if defined (__STDC__) || defined (__cplusplus)
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# define YYINCLUDED_STDLIB_H
+# endif
# endif
# endif
# endif
# ifdef YYSTACK_ALLOC
/* Pacify GCC's `empty if-body' warning. */
# define YYSTACK_FREE(Ptr) do { /* empty */; } while (0)
-# else
-# if defined (__STDC__) || defined (__cplusplus)
-# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
+# ifndef YYSTACK_ALLOC_MAXIMUM
+ /* The OS might guarantee only one guard page at the bottom of the stack,
+ and a page size can be as small as 4096 bytes. So we cannot safely
+ invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
+ to allow for a few compiler-allocated temporary stack slots. */
+# define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2005 */
# endif
+# else
# define YYSTACK_ALLOC YYMALLOC
# define YYSTACK_FREE YYFREE
+# ifndef YYSTACK_ALLOC_MAXIMUM
+# define YYSTACK_ALLOC_MAXIMUM ((YYSIZE_T) -1)
+# endif
+# ifdef __cplusplus
+extern "C" {
+# endif
+# ifndef YYMALLOC
+# define YYMALLOC malloc
+# if (! defined (malloc) && ! defined (YYINCLUDED_STDLIB_H) \
+ && (defined (__STDC__) || defined (__cplusplus)))
+void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifndef YYFREE
+# define YYFREE free
+# if (! defined (free) && ! defined (YYINCLUDED_STDLIB_H) \
+ && (defined (__STDC__) || defined (__cplusplus)))
+void free (void *); /* INFRINGES ON USER NAME SPACE */
+# endif
+# endif
+# ifdef __cplusplus
+}
+# endif
# endif
#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
# define YYCOPY(To, From, Count) \
do \
{ \
- register YYSIZE_T yyi; \
+ YYSIZE_T yyi; \
for (yyi = 0; yyi < (Count); yyi++) \
(To)[yyi] = (From)[yyi]; \
} \
#endif
#if YYDEBUG || YYERROR_VERBOSE
-/* YYTNME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
+/* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
First, the terminals, then, starting at YYNTOKENS, nonterminals. */
static const char *const yytname[] =
{
]b4_stos[
};
-#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)
-# if defined (__STDC__) || defined (__cplusplus)
-# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
-# define YYSIZE_T size_t
-# endif
-#endif
-#if ! defined (YYSIZE_T)
-# define YYSIZE_T unsigned int
-#endif
-
#define yyerrok (yyerrstatus = 0)
#define yyclearin (yychar = YYEMPTY)
#define YYEMPTY (-2)
} \
else \
{ \
- yyerror (]b4_yyerror_args["syntax error: cannot back up");\
+ yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
YYERROR; \
} \
while (0)
do \
if (N) \
{ \
- (Current).first_line = YYRHSLOC(Rhs, 1).first_line; \
- (Current).first_column = YYRHSLOC(Rhs, 1).first_column; \
- (Current).last_line = YYRHSLOC(Rhs, N).last_line; \
- (Current).last_column = YYRHSLOC(Rhs, N).last_column; \
+ (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
+ (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
+ (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
+ (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
} \
else \
{ \
(Current).first_line = (Current).last_line = \
- YYRHSLOC(Rhs, 0).last_line; \
+ YYRHSLOC (Rhs, 0).last_line; \
(Current).first_column = (Current).last_column = \
- YYRHSLOC(Rhs, 0).last_column; \
+ YYRHSLOC (Rhs, 0).last_column; \
} \
while (0)
#endif
[[int yyrule], [yyrule]])[
{
int yyi;
- unsigned int yylno = yyrline[yyrule];
- YYFPRINTF (stderr, "Reducing stack by rule %d (line %u), ",
+ unsigned long int yylno = yyrline[yyrule];
+ YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu), ",
yyrule - 1, yylno);
/* Print the symbols being reduced, and their result. */
for (yyi = yyprhs[yyrule]; 0 <= yyrhs[yyi]; yyi++)
- YYFPRINTF (stderr, "%s ", yytname [yyrhs[yyi]]);
- YYFPRINTF (stderr, "-> %s\n", yytname [yyr1[yyrule]]);
+ YYFPRINTF (stderr, "%s ", yytname[yyrhs[yyi]]);
+ YYFPRINTF (stderr, "-> %s\n", yytname[yyr1[yyrule]]);
}
# define YY_REDUCE_PRINT(Rule) \
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)
+ YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
evaluated with infinite-precision integer arithmetic. */
-#if defined (YYMAXDEPTH) && YYMAXDEPTH == 0
-# undef YYMAXDEPTH
-#endif
-
#ifndef YYMAXDEPTH
# define YYMAXDEPTH ]b4_stack_depth_max[
#endif
const char *yystr;
# endif
{
- register const char *yys = yystr;
+ const char *yys = yystr;
while (*yys++ != '\0')
continue;
const char *yysrc;
# endif
{
- register char *yyd = yydest;
- register const char *yys = yysrc;
+ char *yyd = yydest;
+ const char *yys = yysrc;
while ((*yyd++ = *yys++) != '\0')
continue;
# endif
# endif
-#endif /* !YYERROR_VERBOSE */
+# ifndef yytnamerr
+/* Copy to YYRES the contents of YYSTR after stripping away unnecessary
+ quotes and backslashes, so that it's suitable for yyerror. The
+ heuristic is that double-quoting is unnecessary unless the string
+ contains an apostrophe, a comma, or backslash (other than
+ backslash-backslash). YYSTR is taken from yytname. If YYRES is
+ null, do not copy; instead, return the length of what the result
+ would have been. */
+static YYSIZE_T
+yytnamerr (char *yyres, const char *yystr)
+{
+ if (*yystr == '"')
+ {
+ size_t yyn = 0;
+ char const *yyp = yystr;
+
+ for (;;)
+ switch (*++yyp)
+ {
+ case '\'':
+ case ',':
+ goto do_not_strip_quotes;
+
+ case '\\':
+ if (*++yyp != '\\')
+ goto do_not_strip_quotes;
+ /* Fall through. */
+ default:
+ if (yyres)
+ yyres[yyn] = *yyp;
+ yyn++;
+ break;
+
+ case '"':
+ if (yyres)
+ yyres[yyn] = '\0';
+ return yyn;
+ }
+ do_not_strip_quotes: ;
+ }
+
+ if (! yyres)
+ return yystrlen (yystr);
+
+ return yystpcpy (yyres, yystr) - yyres;
+}
+# endif
+
+#endif /* YYERROR_VERBOSE */
\f
#endif
{[
]b4_pure_if([b4_declare_parser_variables])[
- register int yystate;
- register int yyn;
+ int yystate;
+ int yyn;
int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
/* The state stack. */
short int yyssa[YYINITDEPTH];
short int *yyss = yyssa;
- register short int *yyssp;
+ short int *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs = yyvsa;
- register YYSTYPE *yyvsp;
+ YYSTYPE *yyvsp;
]b4_location_if(
[[ /* The location stack. */
#endif
]])
m4_ifdef([b4_initial_action], [
-m4_pushdef([b4_at_dollar], [yylloc])dnl
-m4_pushdef([b4_dollar_dollar], [yylval])dnl
+m4_pushdef([b4_at_dollar], [m4_define([b4_at_dollar_used])yylloc])dnl
+m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl
/* User initialization code. */
- b4_initial_action
+b4_initial_action
m4_popdef([b4_dollar_dollar])dnl
m4_popdef([b4_at_dollar])dnl
/* Line __line__ of yacc.c. */
-b4_syncline([@oline@], [@ofile@])])dnl
-[
- yyvsp[0] = yylval;
-]b4_location_if([[ yylsp[0] = yylloc;
-]])
+b4_syncline([@oline@], [@ofile@])
+])dnl
+m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval;
+]])dnl
+m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc;
+]])dnl
[ goto yysetstate;
/*------------------------------------------------------------.
data in use in that stack, in bytes. 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",
+ yyoverflow (YY_("memory exhausted"),
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
]b4_location_if([ &yyls1, yysize * sizeof (*yylsp),])[
}
#else /* no yyoverflow */
# ifndef YYSTACK_RELOCATE
- goto yyoverflowlab;
+ goto yyexhaustedlab;
# else
/* Extend the stack our own way. */
if (YYMAXDEPTH <= yystacksize)
- goto yyoverflowlab;
+ goto yyexhaustedlab;
yystacksize *= 2;
if (YYMAXDEPTH < yystacksize)
yystacksize = YYMAXDEPTH;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (! yyptr)
- goto yyoverflowlab;
+ goto yyexhaustedlab;
YYSTACK_RELOCATE (yyss);
YYSTACK_RELOCATE (yyvs);
]b4_location_if([ YYSTACK_RELOCATE (yyls);])[
switch (yyn)
]{
b4_actions
+ default: break;
}
/* Line __line__ of yacc.c. */
if (YYPACT_NINF < yyn && yyn < YYLAST)
{
- YYSIZE_T yysize = 0;
int yytype = YYTRANSLATE (yychar);
- const char* yyprefix;
- char *yymsg;
+ YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
+ YYSIZE_T yysize = yysize0;
+ YYSIZE_T yysize1;
+ int yysize_overflow = 0;
+ char *yymsg = 0;
+# define YYERROR_VERBOSE_ARGS_MAXIMUM 5
+ char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
int yyx;
+#if 0
+ /* This is so xgettext sees the translatable formats that are
+ constructed on the fly. */
+ YY_("syntax error, unexpected %s");
+ YY_("syntax error, unexpected %s, expecting %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s");
+ YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
+#endif
+ char *yyfmt;
+ char const *yyf;
+ static char const yyunexpected[] = "syntax error, unexpected %s";
+ static char const yyexpecting[] = ", expecting %s";
+ static char const yyor[] = " or %s";
+ char yyformat[sizeof yyunexpected
+ + sizeof yyexpecting - 1
+ + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
+ * (sizeof yyor - 1))];
+ char const *yyprefix = yyexpecting;
+
/* Start YYX at -YYN if negative to avoid negative indexes in
YYCHECK. */
int yyxbegin = yyn < 0 ? -yyn : 0;
/* Stay within bounds of both yycheck and yytname. */
int yychecklim = YYLAST - yyn;
int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
- int yycount = 0;
+ int yycount = 1;
+
+ yyarg[0] = yytname[yytype];
+ yyfmt = yystpcpy (yyformat, yyunexpected);
- yyprefix = ", expecting ";
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
{
- yysize += yystrlen (yyprefix) + yystrlen (yytname [yyx]);
- yycount += 1;
- if (yycount == 5)
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
{
- yysize = 0;
+ yycount = 1;
+ yysize = yysize0;
+ yyformat[sizeof yyunexpected - 1] = '\0';
break;
}
+ yyarg[yycount++] = yytname[yyx];
+ yysize1 = yysize + yytnamerr (0, yytname[yyx]);
+ yysize_overflow |= yysize1 < yysize;
+ yysize = yysize1;
+ yyfmt = yystpcpy (yyfmt, yyprefix);
+ yyprefix = yyor;
}
- yysize += (sizeof ("syntax error, unexpected ")
- + yystrlen (yytname[yytype]));
- yymsg = (char *) YYSTACK_ALLOC (yysize);
- if (yymsg != 0)
- {
- char *yyp = yystpcpy (yymsg, "syntax error, unexpected ");
- yyp = yystpcpy (yyp, yytname[yytype]);
- if (yycount < 5)
+ yyf = YY_(yyformat);
+ yysize1 = yysize + yystrlen (yyf);
+ yysize_overflow |= yysize1 < yysize;
+ yysize = yysize1;
+
+ if (!yysize_overflow && yysize <= YYSTACK_ALLOC_MAXIMUM)
+ yymsg = (char *) YYSTACK_ALLOC (yysize);
+ if (yymsg)
+ {
+ /* Avoid sprintf, as that infringes on the user's name space.
+ Don't have undefined behavior even if the translation
+ produced a string with the wrong number of "%s"s. */
+ char *yyp = yymsg;
+ int yyi = 0;
+ while ((*yyp = *yyf))
{
- yyprefix = ", expecting ";
- for (yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
- {
- yyp = yystpcpy (yyp, yyprefix);
- yyp = yystpcpy (yyp, yytname[yyx]);
- yyprefix = " or ";
- }
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
}
yyerror (]b4_yyerror_args[yymsg);
YYSTACK_FREE (yymsg);
}
else
- yyerror (]b4_yyerror_args["syntax error; also virtual memory exhausted");
+ {
+ yyerror (]b4_yyerror_args[YY_("syntax error"));
+ goto yyexhaustedlab;
+ }
}
else
#endif /* YYERROR_VERBOSE */
- yyerror (]b4_yyerror_args["syntax error");
+ yyerror (]b4_yyerror_args[YY_("syntax error"));
}
]b4_location_if([[ yyerror_range[0] = yylloc;]])[
if (yychar <= YYEOF)
{
- /* If at end of input, pop the error token,
- then the rest of the stack, then return failure. */
+ /* Return failure if at end of input. */
if (yychar == YYEOF)
- for (;;)
- {
-]b4_location_if([[ yyerror_range[0] = *yylsp;]])[
- YYPOPSTACK;
- if (yyssp == yyss)
- YYABORT;
- yydestruct ("Error: popping",
- yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[);
- }
+ YYABORT;
}
else
{
`---------------------------------------------------*/
yyerrorlab:
-#ifdef __GNUC__
- /* Pacify GCC when the user code never invokes YYERROR and the label
- yyerrorlab therefore never appears in user code. */
+ /* Pacify compilers like GCC when the user code never invokes
+ YYERROR and the label yyerrorlab therefore never appears in user
+ code. */
if (0)
goto yyerrorlab;
-#endif
]b4_location_if([[ yyerror_range[0] = yylsp[1-yylen];
yylsp -= yylen;
| yyabortlab -- YYABORT comes here. |
`-----------------------------------*/
yyabortlab:
- yydestruct ("Error: discarding lookahead",
- yytoken, &yylval]b4_location_if([, &yylloc])[);
- yychar = YYEMPTY;
yyresult = 1;
goto yyreturn;
#ifndef yyoverflow
-/*----------------------------------------------.
-| yyoverflowlab -- parser overflow comes here. |
-`----------------------------------------------*/
-yyoverflowlab:
- yyerror (]b4_yyerror_args["parser stack overflow");
+/*-------------------------------------------------.
+| yyexhaustedlab -- memory exhaustion comes here. |
+`-------------------------------------------------*/
+yyexhaustedlab:
+ yyerror (]b4_yyerror_args[YY_("memory exhausted"));
yyresult = 2;
/* Fall through. */
#endif
yyreturn:
+ if (yychar != YYEOF && yychar != YYEMPTY)
+ yydestruct ("Error: discarding lookahead",
+ yytoken, &yylval]b4_location_if([, &yylloc])[);
+ while (yyssp != yyss)
+ {
+ yydestruct ("Error: popping",
+ yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[);
+ YYPOPSTACK;
+ }
#ifndef yyoverflow
if (yyss != yyssa)
YYSTACK_FREE (yyss);
m4_if(b4_defines_flag, 0, [],
[@output @output_header_name@
b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
- [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004])
+ [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005])
/* As a special exception, when this file is copied by Bison into a
Bison output file, you may use that output file without restriction.
projects / bison.git / blobdiff