# Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
m4_define([b4_yacc_pure_if],
[b4_pure_if([m4_ifset([b4_parse_param],
- [$1], [$2])],
- [$2])])
+ [$1], [$2])],
+ [$2])])
# b4_yyerror_args
# ---------------
# Arguments passed to yyerror: user args plus yylloc.
m4_define([b4_yyerror_args],
-[b4_yacc_pure_if([b4_location_if([&yylloc, ])])dnl
+[b4_yacc_pure_if([b4_locations_if([&yylloc, ])])dnl
m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
# b4_lex_param arrives quoted twice, but we want to keep only one level.
m4_define([b4_lex_param],
m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl
-b4_location_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl
+b4_locations_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl
m4_ifdef([b4_lex_param], b4_lex_param)))
# b4_int_type(MIN, MAX)
# ---------------------
# Return the smallest int type able to handle numbers ranging from
-# MIN to MAX (included). We overwrite the version from c.m4 which relies
-# on "signed char" which is not portable to old K&R compilers.
+# MIN to MAX (included). Overwrite the version from c.m4, which
+# uses only C89 types, so that the user can override the shorter
+# types, and so that pre-C89 compilers are handled correctly.
m4_define([b4_int_type],
-[m4_if(b4_ints_in($@, [0], [255]), [1], [unsigned char],
- b4_ints_in($@, [-128], [127]), [1], [yysigned_char],
+[m4_if(b4_ints_in($@, [0], [255]), [1], [yytype_uint8],
+ b4_ints_in($@, [-128], [127]), [1], [yytype_int8],
- b4_ints_in($@, [0], [65535]), [1], [unsigned short int],
- b4_ints_in($@, [-32768], [32767]), [1], [short int],
+ b4_ints_in($@, [0], [65535]), [1], [yytype_uint16],
+ b4_ints_in($@, [-32768], [32767]), [1], [yytype_int16],
m4_eval([0 <= $1]), [1], [unsigned int],
- [int])])
+ [int])])
## ----------------- ##
m4_changecom()
m4_divert(0)dnl
@output @output_parser_name@
-b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
+b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],dnl '
[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])[
-/* 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. */
-
/* C LALR(1) parser skeleton written by Richard Stallman, by
simplifying the original so-called "semantic" parser. */
USER NAME SPACE" below. */
]b4_identification
-m4_if(b4_prefix[], [yy], [],
+m4_if(b4_prefix, [yy], [],
[/* Substitute the variable and function names. */
#define yyparse b4_prefix[]parse
#define yylex b4_prefix[]lex
#define yychar b4_prefix[]char
#define yydebug b4_prefix[]debug
#define yynerrs b4_prefix[]nerrs
-b4_location_if([#define yylloc b4_prefix[]lloc])])[
-
-]b4_token_enums_defines(b4_tokens)[
+b4_locations_if([#define yylloc b4_prefix[]lloc])])[
/* Copy the first part of user declarations. */
]b4_pre_prologue[
/* Enabling traces. */
#ifndef YYDEBUG
-# define YYDEBUG ]b4_debug[
+# define YYDEBUG ]b4_debug_flag[
#endif
/* Enabling verbose error messages. */
# undef YYERROR_VERBOSE
# define YYERROR_VERBOSE 1
#else
-# define YYERROR_VERBOSE ]b4_error_verbose[
+# define YYERROR_VERBOSE ]b4_error_verbose_flag[
#endif
/* Enabling the token table. */
# define YYTOKEN_TABLE ]b4_token_table[
#endif
-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
+]m4_ifdef([b4_start_header],
+[[/* Copy the %start-header blocks. */
+]b4_start_header])[]dnl
+
+b4_token_enums_defines(b4_tokens)[
+
+#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
]m4_ifdef([b4_stype],
-[b4_syncline([b4_stype_line], [b4_file_name])
-typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
-/* Line __line__ of yacc.c. */
-b4_syncline([@oline@], [@ofile@])],
-[typedef int YYSTYPE;])[
+[[typedef union ]b4_union_name[
+]b4_user_stype[
+ YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1]],
+[m4_if(b4_tag_seen_flag, 0,
+[[typedef int YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1]])])[
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
#endif
-]b4_location_if([#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
+]b4_locations_if([#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE
{
int first_line;
# define yyltype YYLTYPE /* obsolescent; will be withdrawn */
# define YYLTYPE_IS_DECLARED 1
# define YYLTYPE_IS_TRIVIAL 1
+#endif])
+
+m4_ifdef([b4_end_header],
+[[/* Copy the %end-header blocks. */
+]b4_end_header])[]dnl
+
+[/* Copy the second part of user declarations. */
+]b4_user_post_prologue[
+
+#ifdef short
+# undef short
#endif
-])[
-
-/* Copy the second part of user declarations. */
-]b4_post_prologue
-
-/* Line __line__ of yacc.c. */
-b4_syncline([@oline@], [@ofile@])[
-
-/* Define YYMODERN_C if this compiler supports C89 or better. If
- __STDC__ is defined, the compiler is modern. IBM xlc 7.0 when run
- as 'cc' doesn't define __STDC__ (or __STDC_VERSION__) for pedantic
- reasons, but it defines __C99__FUNC__ so check that as well.
- Consider a C++ compiler to be modern if it defines __cplusplus. */
-#ifndef YYMODERN_C
-# if defined (__STDC__) || defined (__C99__FUNC__) || defined (__cplusplus)
-# define YYMODERN_C 1
-# else
-# define YYMODERN_C 0
-# endif
+
+#ifdef YYTYPE_UINT8
+typedef YYTYPE_UINT8 yytype_uint8;
+#else
+typedef unsigned char yytype_uint8;
+#endif
+
+#ifdef YYTYPE_INT8
+typedef YYTYPE_INT8 yytype_int8;
+#elif ]b4_c_modern[
+typedef signed char yytype_int8;
+#else
+typedef short int yytype_int8;
+#endif
+
+#ifdef YYTYPE_UINT16
+typedef YYTYPE_UINT16 yytype_uint16;
+#else
+typedef unsigned short int yytype_uint16;
+#endif
+
+#ifdef YYTYPE_INT16
+typedef YYTYPE_INT16 yytype_int16;
+#else
+typedef short int yytype_int16;
#endif
#ifndef YYSIZE_T
-# if defined (__SIZE_TYPE__)
+# ifdef __SIZE_TYPE__
# define YYSIZE_T __SIZE_TYPE__
-# elif defined (size_t)
+# elif defined size_t
# define YYSIZE_T size_t
-# elif ! defined (YYSIZE_T) && YYMODERN_C
+# elif ! defined YYSIZE_T && ]b4_c_modern[
# include <stddef.h> /* INFRINGES ON USER NAME SPACE */
# define YYSIZE_T size_t
# else
#endif
/* Suppress unused-variable warnings by "using" E. */
-#ifndef lint
+#if ! defined lint || defined __GNUC__
# define YYUSE(e) ((void) (e))
#else
# define YYUSE(e) /* empty */
#ifndef lint
# define YYID(n) (n)
#else
-]b4_c_function_def([YYID], [static int], [[int i], [i]])[
+]b4_c_function_def([YYID], [static int], [[int yyi], [yyi]])[
{
- return i;
+ return yyi;
}
#endif
-#if ! defined (yyoverflow) || YYERROR_VERBOSE
+#if ! defined yyoverflow || YYERROR_VERBOSE
/* The parser invokes alloca or malloc; define the necessary symbols. */
# if YYSTACK_USE_ALLOCA
# ifdef __GNUC__
# define YYSTACK_ALLOC __builtin_alloca
-# elif defined (__BUILTIN_VA_ARG_INCR)
+# elif defined __BUILTIN_VA_ARG_INCR
# include <alloca.h> /* INFRINGES ON USER NAME SPACE */
-# elif defined (_AIX)
+# elif defined _AIX
# define YYSTACK_ALLOC __alloca
-# elif defined (_MSC_VER)
+# elif defined _MSC_VER
# include <malloc.h> /* INFRINGES ON USER NAME SPACE */
# define alloca _alloca
# else
# define YYSTACK_ALLOC alloca
-# if ! defined (_ALLOCA_H) && ! defined (_STDLIB_H) && YYMODERN_C
+# if ! defined _ALLOCA_H && ! defined _STDLIB_H && ]b4_c_modern[
# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
# ifndef _STDLIB_H
# define _STDLIB_H 1
# ifndef YYSTACK_ALLOC_MAXIMUM
# define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
# endif
-# ifdef __cplusplus
-extern "C" {
+# if (defined __cplusplus && ! defined _STDLIB_H \
+ && ! ((defined YYMALLOC || defined malloc) \
+ && (defined YYFREE || defined free)))
+# include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
+# ifndef _STDLIB_H
+# define _STDLIB_H 1
+# endif
# endif
# ifndef YYMALLOC
# define YYMALLOC malloc
-# if ! defined (malloc) && ! defined (_STDLIB_H) && YYMODERN_C
+# if ! defined malloc && ! defined _STDLIB_H && ]b4_c_modern[
void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
# ifndef YYFREE
# define YYFREE free
-# if ! defined (free) && ! defined (_STDLIB_H) && YYMODERN_C
+# if ! defined free && ! defined _STDLIB_H && ]b4_c_modern[
void free (void *); /* INFRINGES ON USER NAME SPACE */
# endif
# endif
-# ifdef __cplusplus
-}
-# endif
# endif
-#endif /* ! defined (yyoverflow) || YYERROR_VERBOSE */
+#endif /* ! defined yyoverflow || YYERROR_VERBOSE */
-#if (! defined (yyoverflow) \
- && (! defined (__cplusplus) \
- || (]b4_location_if([[defined (YYLTYPE_IS_TRIVIAL) && YYLTYPE_IS_TRIVIAL \
- && ]])[defined (YYSTYPE_IS_TRIVIAL) && YYSTYPE_IS_TRIVIAL)))
+#if (! defined yyoverflow \
+ && (! defined __cplusplus \
+ || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
+ && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
/* A type that is properly aligned for any stack member. */
union yyalloc
{
- short int yyss;
+ yytype_int16 yyss;
YYSTYPE yyvs;
- ]b4_location_if([ YYLTYPE yyls;
+ ]b4_locations_if([ YYLTYPE yyls;
])dnl
[};
/* The size of an array large to enough to hold all stacks, each with
N elements. */
-]b4_location_if(
+]b4_locations_if(
[# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short int) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
+ 2 * YYSTACK_GAP_MAXIMUM)],
[# define YYSTACK_BYTES(N) \
- ((N) * (sizeof (short int) + sizeof (YYSTYPE)) \
+ ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
+ YYSTACK_GAP_MAXIMUM)])[
/* Copy COUNT objects from FROM to TO. The source and destination do
not overlap. */
# ifndef YYCOPY
-# if defined (__GNUC__) && 1 < __GNUC__
+# if defined __GNUC__ && 1 < __GNUC__
# define YYCOPY(To, From, Count) \
__builtin_memcpy (To, From, (Count) * sizeof (*(From)))
# else
#endif
-#if YYMODERN_C
- typedef signed char yysigned_char;
-#else
- typedef short int yysigned_char;
-#endif
-
/* YYFINAL -- State number of the termination state. */
#define YYFINAL ]b4_final_state_number[
/* YYLAST -- Last index in YYTABLE. */
# if YYLTYPE_IS_TRIVIAL
# define YY_LOCATION_PRINT(File, Loc) \
fprintf (File, "%d.%d-%d.%d", \
- (Loc).first_line, (Loc).first_column, \
- (Loc).last_line, (Loc).last_column)
+ (Loc).first_line, (Loc).first_column, \
+ (Loc).last_line, (Loc).last_column)
# else
# define YY_LOCATION_PRINT(File, Loc) ((void) 0)
# endif
/* YYLEX -- calling `yylex' with the right arguments. */
#ifdef YYLEX_PARAM
-# define YYLEX yylex (]b4_pure_if([&yylval[]b4_location_if([, &yylloc]), ])[YYLEX_PARAM)
+# define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM)
#else
# define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[
#endif
{ \
YYFPRINTF (stderr, "%s ", Title); \
yy_symbol_print (stderr, \
- Type, Value]b4_location_if([, Location])[]b4_user_args[); \
+ Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
YYFPRINTF (stderr, "\n"); \
} \
} while (YYID (0))
`------------------------------------------------------------------*/
]b4_c_function_def([yy_stack_print], [static void],
- [[short int *bottom], [bottom]],
- [[short int *top], [top]])[
+ [[yytype_int16 *yybottom], [yybottom]],
+ [[yytype_int16 *yytop], [yytop]])[
{
YYFPRINTF (stderr, "Stack now");
- for (; bottom <= top; ++bottom)
- YYFPRINTF (stderr, " %d", *bottom);
+ for (; yybottom <= yytop; yybottom++)
+ {
+ int yybot = *yybottom;
+ YYFPRINTF (stderr, " %d", yybot);
+ }
YYFPRINTF (stderr, "\n");
}
`------------------------------------------------*/
]b4_c_function_def([yy_reduce_print], [static void],
- [[YYSTYPE *yyvsp], [yyvsp]],
- b4_location_if([[[YYLTYPE *yylsp], [yylsp]],])
- [[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [,])
- b4_parse_param)[
+ [[YYSTYPE *yyvsp], [yyvsp]],
+ b4_locations_if([[[YYLTYPE *yylsp], [yylsp]],
+ ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [,
+ ])b4_parse_param)[
{
int yynrhs = yyr2[yyrule];
int yyi;
unsigned long int yylno = yyrline[yyrule];
YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
- yyrule - 1, yylno);
+ yyrule - 1, yylno);
/* The symbols being reduced. */
for (yyi = 0; yyi < yynrhs; yyi++)
{
fprintf (stderr, " $%d = ", yyi + 1);
yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
- &]b4_rhs_value(yynrhs, yyi + 1)[
- ]b4_location_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
- b4_user_args[);
+ &]b4_rhs_value(yynrhs, yyi + 1)[
+ ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
+ b4_user_args[);
fprintf (stderr, "\n");
}
}
# define YY_REDUCE_PRINT(Rule) \
do { \
if (yydebug) \
- yy_reduce_print (yyvsp, ]b4_location_if([yylsp, ])[Rule]b4_user_args[); \
+ yy_reduce_print (yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \
} while (YYID (0))
/* Nonzero means print parse trace. It is left uninitialized so that
#if YYERROR_VERBOSE
# ifndef yystrlen
-# if defined (__GLIBC__) && defined (_STRING_H)
+# if defined __GLIBC__ && defined _STRING_H
# define yystrlen strlen
# else
/* Return the length of YYSTR. */
-static YYSIZE_T
-# if YYMODERN_C
-yystrlen (const char *yystr)
-# else
-yystrlen (yystr)
- const char *yystr;
-# endif
+]b4_c_function_def([yystrlen], [static YYSIZE_T],
+ [[const char *yystr], [yystr]])[
{
YYSIZE_T yylen;
for (yylen = 0; yystr[yylen]; yylen++)
# endif
# ifndef yystpcpy
-# if defined (__GLIBC__) && defined (_STRING_H) && defined (_GNU_SOURCE)
+# 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 YYMODERN_C
-yystpcpy (char *yydest, const char *yysrc)
-# else
-yystpcpy (yydest, yysrc)
- char *yydest;
- const char *yysrc;
-# endif
+]b4_c_function_def([yystpcpy], [static char *],
+ [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[
{
char *yyd = yydest;
const char *yys = yysrc;
{
if (*yystr == '"')
{
- size_t yyn = 0;
+ YYSIZE_T yyn = 0;
char const *yyp = yystr;
for (;;)
{
int yyn = yypact[yystate];
- if (! (YYPACT_NINF < yyn && yyn < YYLAST))
+ if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
return 0;
else
{
# if 0
/* This is so xgettext sees the translatable formats that are
- constructed on the fly. */
+ 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");
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))];
+ + 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. */
+ YYCHECK. */
int yyxbegin = yyn < 0 ? -yyn : 0;
/* Stay within bounds of both yycheck and yytname. */
- int yychecklim = YYLAST - yyn;
+ int yychecklim = YYLAST - yyn + 1;
int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
int yycount = 1;
yyfmt = yystpcpy (yyformat, yyunexpected);
for (yyx = yyxbegin; yyx < yyxend; ++yyx)
- if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
- {
- if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
- {
- 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;
- }
+ if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
+ {
+ if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
+ {
+ 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;
+ }
yyf = YY_(yyformat);
yysize1 = yysize + yystrlen (yyf);
if (yyresult)
{
- /* 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 = yyresult;
- int yyi = 0;
- while ((*yyp = *yyf) != '\0')
- {
- if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
- {
- yyp += yytnamerr (yyp, yyarg[yyi++]);
- yyf += 2;
- }
- else
- {
- yyp++;
- yyf++;
- }
- }
- }
+ /* 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 = yyresult;
+ int yyi = 0;
+ while ((*yyp = *yyf) != '\0')
+ {
+ if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
+ {
+ yyp += yytnamerr (yyp, yyarg[yyi++]);
+ yyf += 2;
+ }
+ else
+ {
+ yyp++;
+ yyf++;
+ }
+ }
+ }
return yysize;
}
}
/* Prevent warnings from -Wmissing-prototypes. */
#ifdef YYPARSE_PARAM
-# if YYMODERN_C
-int yyparse (void *YYPARSE_PARAM);
-# else
-int yyparse ();
-# endif
+]b4_c_function_decl([yyparse], [int],
+ [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[
#else /* ! YYPARSE_PARAM */
]b4_c_function_decl([yyparse], [int], b4_parse_param)[
#endif /* ! YYPARSE_PARAM */
# Declare the variables that are global, or local to YYPARSE if
# pure-parser.
m4_define([b4_declare_parser_variables],
-[/* The look-ahead symbol. */
+[/* The lookahead symbol. */
int yychar;
-/* The semantic value of the look-ahead symbol. */
+/* The semantic value of the lookahead symbol. */
YYSTYPE yylval;
/* Number of syntax errors so far. */
-int yynerrs;b4_location_if([
-/* Location data for the look-ahead symbol. */
+int yynerrs;b4_locations_if([
+/* Location data for the lookahead symbol. */
YYLTYPE yylloc;])
])
m4_divert_pop([KILL])dnl# ====================== End of M4 code.
b4_pure_if([],
- [b4_declare_parser_variables])
+ [b4_declare_parser_variables])
/*----------.
`----------*/
#ifdef YYPARSE_PARAM
-# if YYMODERN_C
-int yyparse (void *YYPARSE_PARAM)
-# else
-int yyparse (YYPARSE_PARAM)
- void *YYPARSE_PARAM;
-# endif
+b4_c_function_def([yyparse], [int], [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])
#else /* ! YYPARSE_PARAM */
b4_c_function_def([yyparse], [int], b4_parse_param)
#endif
int yyresult;
/* Number of tokens to shift before error messages enabled. */
int yyerrstatus;
- /* Look-ahead token as an internal (translated) token number. */
+ /* Lookahead token as an internal (translated) token number. */
int yytoken = 0;
#if YYERROR_VERBOSE
/* Buffer for error messages, and its allocated size. */
to reallocate them elsewhere. */
/* The state stack. */
- short int yyssa[YYINITDEPTH];
- short int *yyss = yyssa;
- short int *yyssp;
+ yytype_int16 yyssa[YYINITDEPTH];
+ yytype_int16 *yyss = yyssa;
+ yytype_int16 *yyssp;
/* The semantic value stack. */
YYSTYPE yyvsa[YYINITDEPTH];
YYSTYPE *yyvs = yyvsa;
YYSTYPE *yyvsp;
-]b4_location_if(
+]b4_locations_if(
[[ /* The location stack. */
YYLTYPE yylsa[YYINITDEPTH];
YYLTYPE *yyls = yylsa;
/* The locations where the error started and ended. */
YYLTYPE yyerror_range[2];]])[
-#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_location_if([, yylsp -= (N)])[)
+#define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_locations_if([, yylsp -= (N)])[)
YYSIZE_T yystacksize = YYINITDEPTH;
/* The variables used to return semantic value and location from the
action routines. */
YYSTYPE yyval;
-]b4_location_if([ YYLTYPE yyloc;])[
+]b4_locations_if([ YYLTYPE yyloc;])[
/* The number of symbols on the RHS of the reduced rule.
Keep to zero when no symbol should be popped. */
yyssp = yyss;
yyvsp = yyvs;
-]b4_location_if([[ yylsp = yyls;
+]b4_locations_if([[ yylsp = yyls;
#if YYLTYPE_IS_TRIVIAL
/* Initialize the default location before parsing starts. */
- yylloc.first_line = yylloc.last_line = 1;
- yylloc.first_column = yylloc.last_column = 0;
+ yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[;
+ yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[;
#endif
]])
m4_ifdef([b4_initial_action], [
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_user_initial_action
m4_popdef([b4_dollar_dollar])dnl
-m4_popdef([b4_at_dollar])dnl
-/* Line __line__ of yacc.c. */
-b4_syncline([@oline@], [@ofile@])
-])dnl
+m4_popdef([b4_at_dollar])])dnl
m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval;
]])dnl
m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc;
these so that the &'s don't force the real ones into
memory. */
YYSTYPE *yyvs1 = yyvs;
- short int *yyss1 = yyss;
-]b4_location_if([ YYLTYPE *yyls1 = yyls;])[
+ yytype_int16 *yyss1 = yyss;
+]b4_locations_if([ YYLTYPE *yyls1 = yyls;])[
/* Each stack pointer address is followed by the size of the
data in use in that stack, in bytes. This used to be a
yyoverflow (YY_("memory exhausted"),
&yyss1, yysize * sizeof (*yyssp),
&yyvs1, yysize * sizeof (*yyvsp),
-]b4_location_if([ &yyls1, yysize * sizeof (*yylsp),])[
+]b4_locations_if([ &yyls1, yysize * sizeof (*yylsp),])[
&yystacksize);
-]b4_location_if([ yyls = yyls1;])[
+]b4_locations_if([ yyls = yyls1;])[
yyss = yyss1;
yyvs = yyvs1;
}
yystacksize = YYMAXDEPTH;
{
- short int *yyss1 = yyss;
+ yytype_int16 *yyss1 = yyss;
union yyalloc *yyptr =
(union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
if (! yyptr)
goto yyexhaustedlab;
YYSTACK_RELOCATE (yyss);
YYSTACK_RELOCATE (yyvs);
-]b4_location_if([ YYSTACK_RELOCATE (yyls);])[
+]b4_locations_if([ YYSTACK_RELOCATE (yyls);])[
# undef YYSTACK_RELOCATE
if (yyss1 != yyssa)
YYSTACK_FREE (yyss1);
yyssp = yyss + yysize - 1;
yyvsp = yyvs + yysize - 1;
-]b4_location_if([ yylsp = yyls + yysize - 1;])[
+]b4_locations_if([ yylsp = yyls + yysize - 1;])[
YYDPRINTF ((stderr, "Stack size increased to %lu\n",
(unsigned long int) yystacksize));
YYDPRINTF ((stderr, "Entering state %d\n", yystate));
+ if (yystate == YYFINAL)
+ YYACCEPT;
+
goto yybackup;
/*-----------.
yybackup:
/* Do appropriate processing given the current state. Read a
- look-ahead token if we need one and don't already have one. */
+ lookahead token if we need one and don't already have one. */
- /* First try to decide what to do without reference to look-ahead token. */
+ /* First try to decide what to do without reference to lookahead token. */
yyn = yypact[yystate];
if (yyn == YYPACT_NINF)
goto yydefault;
- /* Not known => get a look-ahead token if don't already have one. */
+ /* Not known => get a lookahead token if don't already have one. */
- /* YYCHAR is either YYEMPTY or YYEOF or a valid look-ahead symbol. */
+ /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
if (yychar == YYEMPTY)
{
YYDPRINTF ((stderr, "Reading a token: "));
goto yyreduce;
}
- if (yyn == YYFINAL)
- YYACCEPT;
-
/* Count tokens shifted since error; after three, turn off error
status. */
if (yyerrstatus)
yyerrstatus--;
- /* Shift the look-ahead token. */
+ /* Shift the lookahead token. */
YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
- /* Discard the shifted token unless it is eof. */
- if (yychar != YYEOF)
- yychar = YYEMPTY;
+ /* Discard the shifted token. */
+ yychar = YYEMPTY;
yystate = yyn;
*++yyvsp = yylval;
-]b4_location_if([ *++yylsp = yylloc;])[
+]b4_locations_if([ *++yylsp = yylloc;])[
goto yynewstate;
GCC warning that YYVAL may be used uninitialized. */
yyval = yyvsp[1-yylen];
-]b4_location_if(
+]b4_locations_if(
[[ /* Default location. */
- YYLLOC_DEFAULT (yyloc, yylsp - yylen, yylen);]])[
+ YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);]])[
YY_REDUCE_PRINT (yyn);
switch (yyn)
{
- ]b4_actions
-/* Line __line__ of yacc.c. */
-b4_syncline([@oline@], [@ofile@])[
+ ]b4_user_actions[
default: break;
}
YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
YY_STACK_PRINT (yyss, yyssp);
*++yyvsp = yyval;
-]b4_location_if([ *++yylsp = yyloc;])[
+]b4_locations_if([ *++yylsp = yyloc;])[
/* Now `shift' the result of the reduction. Determine what state
that goes to, based on the state we popped back to and the rule
#endif
}
-]b4_location_if([[ yyerror_range[0] = yylloc;]])[
+]b4_locations_if([[ yyerror_range[0] = yylloc;]])[
if (yyerrstatus == 3)
{
- /* If just tried and failed to reuse look-ahead token after an
+ /* If just tried and failed to reuse lookahead token after an
error, discard it. */
if (yychar <= YYEOF)
- {
+ {
/* Return failure if at end of input. */
if (yychar == YYEOF)
YYABORT;
- }
+ }
else
{
yydestruct ("Error: discarding",
- yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
+ yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
yychar = YYEMPTY;
}
}
- /* Else will try to reuse look-ahead token after shifting the error
+ /* Else will try to reuse lookahead token after shifting the error
token. */
goto yyerrlab1;
if (/*CONSTCOND*/ 0)
goto yyerrorlab;
-]b4_location_if([[ yyerror_range[0] = yylsp[1-yylen];
+]b4_locations_if([[ yyerror_range[0] = yylsp[1-yylen];
]])[ /* Do not reclaim the symbols of the rule which action triggered
this YYERROR. */
YYPOPSTACK (yylen);
if (yyssp == yyss)
YYABORT;
-]b4_location_if([[ yyerror_range[0] = *yylsp;]])[
+]b4_locations_if([[ yyerror_range[0] = *yylsp;]])[
yydestruct ("Error: popping",
- yystos[yystate], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
+ yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
YYPOPSTACK (1);
yystate = *yyssp;
YY_STACK_PRINT (yyss, yyssp);
}
- if (yyn == YYFINAL)
- YYACCEPT;
-
*++yyvsp = yylval;
-]b4_location_if([[
+]b4_locations_if([[
yyerror_range[1] = yylloc;
/* Using YYLLOC is tempting, but would change the location of
- the look-ahead. YYLOC is available though. */
- YYLLOC_DEFAULT (yyloc, yyerror_range - 1, 2);
+ the lookahead. YYLOC is available though. */
+ YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
*++yylsp = yyloc;]])[
/* Shift the error token. */
#endif
yyreturn:
- if (yychar != YYEOF && yychar != YYEMPTY)
+ if (yychar != YYEMPTY)
yydestruct ("Cleanup: discarding lookahead",
- yytoken, &yylval]b4_location_if([, &yylloc])[]b4_user_args[);
+ yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
/* Do not reclaim the symbols of the rule which action triggered
this YYABORT or YYACCEPT. */
YYPOPSTACK (yylen);
while (yyssp != yyss)
{
yydestruct ("Cleanup: popping",
- yystos[*yyssp], yyvsp]b4_location_if([, yylsp])[]b4_user_args[);
+ yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
YYPOPSTACK (1);
}
#ifndef yyoverflow
if (yymsg != yymsgbuf)
YYSTACK_FREE (yymsg);
#endif
- return yyresult;
+ /* Make sure YYID is used. */
+ return YYID (yyresult);
]}
b4_epilogue
-m4_if(b4_defines_flag, 0, [],
+b4_defines_if(
[@output @output_header_name@
-b4_copyright([Skeleton parser for Yacc-like parsing with Bison],
+b4_copyright([Skeleton interface for Bison's Yacc-like parsers in C],dnl '
[1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])
-/* 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. */
+m4_ifdef([b4_start_header],
+[[/* Copy the %start-header blocks. */
+]b4_start_header])[]dnl
b4_token_enums_defines(b4_tokens)
-#if ! defined (YYSTYPE) && ! defined (YYSTYPE_IS_DECLARED)
-m4_ifdef([b4_stype],
-[b4_syncline([b4_stype_line], [b4_file_name])
-typedef union m4_bregexp(b4_stype, [^{], [YYSTYPE ])b4_stype YYSTYPE;
-/* Line __line__ of yacc.c. */
-b4_syncline([@oline@], [@ofile@])],
-[typedef int YYSTYPE;])
+[#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
+]m4_ifdef([b4_stype],
+[[typedef union ]b4_union_name[
+]b4_user_stype[
+ YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1]],
+[m4_if(b4_tag_seen_flag, 0,
+[[typedef int YYSTYPE;
+# define YYSTYPE_IS_TRIVIAL 1]])])[
# define yystype YYSTYPE /* obsolescent; will be withdrawn */
# define YYSTYPE_IS_DECLARED 1
-# define YYSTYPE_IS_TRIVIAL 1
#endif
-b4_pure_if([],
+]b4_pure_if([],
[extern YYSTYPE b4_prefix[]lval;])
-b4_location_if(
-[#if ! defined (YYLTYPE) && ! defined (YYLTYPE_IS_DECLARED)
+b4_locations_if(
+[#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
typedef struct YYLTYPE
{
int first_line;
# define YYLTYPE_IS_TRIVIAL 1
#endif
-m4_if(b4_pure, [0],
-[extern YYLTYPE b4_prefix[]lloc;])
-])
-])
+]b4_pure_if([],
+ [extern YYLTYPE b4_prefix[]lloc;])
+)dnl b4_locations_if
+
+m4_ifdef([b4_end_header],
+[[/* Copy the %end-header blocks. */
+]b4_end_header])[]dnl
+])dnl b4_defines_if
projects / bison.git / blobdiff