3 # Yacc compatible skeleton for Bison
5 # Copyright (C) 1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006,
6 # 2007, 2008 Free Software Foundation, Inc.
8 # This program is free software: you can redistribute it and/or modify
9 # it under the terms of the GNU General Public License as published by
10 # the Free Software Foundation, either version 3 of the License, or
11 # (at your option) any later version.
13 # This program is distributed in the hope that it will be useful,
14 # but WITHOUT ANY WARRANTY; without even the implied warranty of
15 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 # GNU General Public License for more details.
18 # You should have received a copy of the GNU General Public License
19 # along with this program. If not, see <http://www.gnu.org/licenses/>.
21 # Check the value of %define api.push_pull.
22 b4_percent_define_default([[api.push_pull]], [[pull]])
23 b4_percent_define_check_values([[[[api.push_pull]],
24 [[pull]], [[push]], [[both]]]])
25 b4_define_flag_if([pull]) m4_define([b4_pull_flag], [[1]])
26 b4_define_flag_if([push]) m4_define([b4_push_flag], [[1]])
27 m4_case(b4_percent_define_get([[api.push_pull]]),
28 [pull], [m4_define([b4_push_flag], [[0]])],
29 [push], [m4_define([b4_pull_flag], [[0]])])
31 # Handle BISON_USE_PUSH_FOR_PULL for the test suite. So that push parsing
32 # tests function as written, don't let BISON_USE_PUSH_FOR_PULL modify Bison's
33 # behavior at all when push parsing is already requested.
34 b4_define_flag_if([use_push_for_pull])
35 b4_use_push_for_pull_if([
36 b4_push_if([m4_define([b4_use_push_for_pull_flag], [[0]])],
37 [m4_define([b4_push_flag], [[1]])])])
39 m4_include(b4_pkgdatadir/[c.m4])
50 ## ---------------- ##
52 ## ---------------- ##
55 m4_define_default([b4_stack_depth_max], [10000])
56 m4_define_default([b4_stack_depth_init], [200])
59 ## ------------------------ ##
60 ## Pure/impure interfaces. ##
61 ## ------------------------ ##
63 b4_percent_define_default([[api.pure]], [[false]])
64 b4_define_flag_if([pure])
65 m4_define([b4_pure_flag],
66 [b4_percent_define_flag_if([[api.pure]], [[1]], [[0]])])
68 # b4_yacc_pure_if(IF-TRUE, IF-FALSE)
69 # ----------------------------------
70 # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise.
71 m4_define([b4_yacc_pure_if],
72 [b4_pure_if([m4_ifset([b4_parse_param],
79 # Arguments passed to yyerror: user args plus yylloc.
80 m4_define([b4_yyerror_args],
81 [b4_yacc_pure_if([b4_locations_if([&yylloc, ])])dnl
82 m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])])
87 # Accumulate in b4_lex_param all the yylex arguments.
88 # b4_lex_param arrives quoted twice, but we want to keep only one level.
89 m4_define([b4_lex_param],
90 m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl
91 b4_locations_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl
92 m4_ifdef([b4_lex_param], b4_lex_param)))
99 # b4_int_type(MIN, MAX)
100 # ---------------------
101 # Return the smallest int type able to handle numbers ranging from
102 # MIN to MAX (included). Overwrite the version from c.m4, which
103 # uses only C89 types, so that the user can override the shorter
104 # types, and so that pre-C89 compilers are handled correctly.
105 m4_define([b4_int_type],
106 [m4_if(b4_ints_in($@, [0], [255]), [1], [yytype_uint8],
107 b4_ints_in($@, [-128], [127]), [1], [yytype_int8],
109 b4_ints_in($@, [0], [65535]), [1], [yytype_uint16],
110 b4_ints_in($@, [-32768], [32767]), [1], [yytype_int16],
112 m4_eval([0 <= $1]), [1], [unsigned int],
117 ## ----------------- ##
118 ## Semantic Values. ##
119 ## ----------------- ##
122 # b4_lhs_value([TYPE])
123 # --------------------
124 # Expansion of $<TYPE>$.
125 m4_define([b4_lhs_value],
126 [(yyval[]m4_ifval([$1], [.$1]))])
129 # b4_rhs_value(RULE-LENGTH, NUM, [TYPE])
130 # --------------------------------------
131 # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH
133 m4_define([b4_rhs_value],
134 [(yyvsp@{($2) - ($1)@}m4_ifval([$3], [.$3]))])
145 m4_define([b4_lhs_location],
149 # b4_rhs_location(RULE-LENGTH, NUM)
150 # ---------------------------------
151 # Expansion of @NUM, where the current rule has RULE-LENGTH symbols
153 m4_define([b4_rhs_location],
154 [(yylsp@{($2) - ($1)@})])
158 ## --------------------------------------------------------- ##
159 ## Defining symbol actions, e.g., printers and destructors. ##
160 ## --------------------------------------------------------- ##
162 # We do want M4 expansion after # for CPP macros.
165 @output(b4_parser_file_name@)
166 b4_copyright([Skeleton implementation for Bison's Yacc-like parsers in C],dnl '
167 [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])[
169 /* C LALR(1) parser skeleton written by Richard Stallman, by
170 simplifying the original so-called "semantic" parser. */
172 /* All symbols defined below should begin with yy or YY, to avoid
173 infringing on user name space. This should be done even for local
174 variables, as they might otherwise be expanded by user macros.
175 There are some unavoidable exceptions within include files to
176 define necessary library symbols; they are noted "INFRINGES ON
177 USER NAME SPACE" below. */
180 b4_percent_code_get([[top]])[]dnl
181 m4_if(b4_prefix, [yy], [],
182 [[/* Substitute the variable and function names. */
183 ]b4_pull_if([[#define yyparse ]b4_prefix[parse
184 ]])b4_push_if([[#define yypush_parse ]b4_prefix[push_parse
185 ]b4_pull_if([[#define yypull_parse ]b4_prefix[pull_parse
186 ]])[#define yypstate_new ]b4_prefix[pstate_new
187 #define yypstate_delete ]b4_prefix[pstate_delete
188 #define yypstate ]b4_prefix[pstate
189 ]])[#define yylex ]b4_prefix[lex
190 #define yyerror ]b4_prefix[error
191 #define yylval ]b4_prefix[lval
192 #define yychar ]b4_prefix[char
193 #define yydebug ]b4_prefix[debug
194 #define yynerrs ]b4_prefix[nerrs
195 ]b4_locations_if([[#define yylloc ]b4_prefix[lloc]])])[
197 /* Copy the first part of user declarations. */
198 ]b4_user_pre_prologue[
200 /* Enabling traces. */
202 # define YYDEBUG ]b4_debug_flag[
205 /* Enabling verbose error messages. */
206 #ifdef YYERROR_VERBOSE
207 # undef YYERROR_VERBOSE
208 # define YYERROR_VERBOSE 1
210 # define YYERROR_VERBOSE ]b4_error_verbose_flag[
213 /* Enabling the token table. */
214 #ifndef YYTOKEN_TABLE
215 # define YYTOKEN_TABLE ]b4_token_table[
218 ]b4_percent_code_get([[requires]])[]dnl
220 b4_token_enums_defines(b4_tokens)[
222 #if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
223 ]m4_ifdef([b4_stype],
224 [[typedef union ]b4_union_name[
228 # define YYSTYPE_IS_TRIVIAL 1]],
229 [m4_if(b4_tag_seen_flag, 0,
230 [[typedef int YYSTYPE;
231 # define YYSTYPE_IS_TRIVIAL 1]])])[
232 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
233 # define YYSTYPE_IS_DECLARED 1
234 #endif]b4_locations_if([[
236 #if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
237 typedef struct YYLTYPE
244 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
245 # define YYLTYPE_IS_DECLARED 1
246 # define YYLTYPE_IS_TRIVIAL 1
247 #endif]])b4_push_if([[
250 # define YYPUSH_DECLS
252 typedef struct yypstate yypstate;
253 enum { YYPUSH_MORE = 4 };
255 ]b4_pull_if([b4_c_function_decl([[yyparse]], [[int]], b4_parse_param)
256 ])b4_c_function_decl([[yypush_parse]], [[int]],
257 [[[yypstate *yyps]], [[yyps]]]b4_pure_if([,
258 [[[int yypushed_char]], [[yypushed_char]]],
259 [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
260 [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
262 b4_pull_if([b4_c_function_decl([[yypull_parse]], [[int]],
263 [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
265 b4_c_function_decl([[yypstate_new]], [[yypstate *]], [[[void]], []])
266 b4_c_function_decl([[yypstate_delete]], [[void]],
267 [[[yypstate *yyps]], [[yyps]]])[
270 b4_percent_code_get([[provides]])[]dnl
272 [/* Copy the second part of user declarations. */
273 ]b4_user_post_prologue
274 b4_percent_code_get[]dnl
281 typedef YYTYPE_UINT8 yytype_uint8;
283 typedef unsigned char yytype_uint8;
287 typedef YYTYPE_INT8 yytype_int8;
289 typedef signed char yytype_int8;
291 typedef short int yytype_int8;
295 typedef YYTYPE_UINT16 yytype_uint16;
297 typedef unsigned short int yytype_uint16;
301 typedef YYTYPE_INT16 yytype_int16;
303 typedef short int yytype_int16;
307 # ifdef __SIZE_TYPE__
308 # define YYSIZE_T __SIZE_TYPE__
309 # elif defined size_t
310 # define YYSIZE_T size_t
311 # elif ! defined YYSIZE_T && ]b4_c_modern[
312 # include <stddef.h> /* INFRINGES ON USER NAME SPACE */
313 # define YYSIZE_T size_t
315 # define YYSIZE_T unsigned int
319 #define YYSIZE_MAXIMUM ((YYSIZE_T) -1)
324 # include <libintl.h> /* INFRINGES ON USER NAME SPACE */
325 # define YY_(msgid) dgettext ("bison-runtime", msgid)
329 # define YY_(msgid) msgid
333 /* Suppress unused-variable warnings by "using" E. */
334 #if ! defined lint || defined __GNUC__
335 # define YYUSE(e) ((void) (e))
337 # define YYUSE(e) /* empty */
340 /* Identity function, used to suppress warnings about constant conditions. */
344 ]b4_c_function_def([YYID], [static int], [[int yyi], [yyi]])[
350 #if ! defined yyoverflow || YYERROR_VERBOSE
353 [[/* The parser invokes alloca or malloc; define the necessary symbols. */
355 # ifdef YYSTACK_USE_ALLOCA
356 # if YYSTACK_USE_ALLOCA
358 # define YYSTACK_ALLOC __builtin_alloca
359 # elif defined __BUILTIN_VA_ARG_INCR
360 # include <alloca.h> /* INFRINGES ON USER NAME SPACE */
362 # define YYSTACK_ALLOC __alloca
363 # elif defined _MSC_VER
364 # include <malloc.h> /* INFRINGES ON USER NAME SPACE */
365 # define alloca _alloca
367 # define YYSTACK_ALLOC alloca
368 # if ! defined _ALLOCA_H && ! defined _STDLIB_H && ]b4_c_modern[
369 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
379 [# ifdef YYSTACK_ALLOC
380 /* Pacify GCC's `empty if-body' warning. */
381 # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0))
382 # ifndef YYSTACK_ALLOC_MAXIMUM
383 /* The OS might guarantee only one guard page at the bottom of the stack,
384 and a page size can be as small as 4096 bytes. So we cannot safely
385 invoke alloca (N) if N exceeds 4096. Use a slightly smaller number
386 to allow for a few compiler-allocated temporary stack slots. */
387 # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */
390 # define YYSTACK_ALLOC YYMALLOC
391 # define YYSTACK_FREE YYFREE
392 # ifndef YYSTACK_ALLOC_MAXIMUM
393 # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM
395 # if (defined __cplusplus && ! defined _STDLIB_H \
396 && ! ((defined YYMALLOC || defined malloc) \
397 && (defined YYFREE || defined free)))
398 # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */
404 # define YYMALLOC malloc
405 # if ! defined malloc && ! defined _STDLIB_H && ]b4_c_modern[
406 void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */
411 # if ! defined free && ! defined _STDLIB_H && ]b4_c_modern[
412 void free (void *); /* INFRINGES ON USER NAME SPACE */
416 #endif /* ! defined yyoverflow || YYERROR_VERBOSE */
419 #if (! defined yyoverflow \
420 && (! defined __cplusplus \
421 || (]b4_locations_if([[defined YYLTYPE_IS_TRIVIAL && YYLTYPE_IS_TRIVIAL \
422 && ]])[defined YYSTYPE_IS_TRIVIAL && YYSTYPE_IS_TRIVIAL)))
424 /* A type that is properly aligned for any stack member. */
427 yytype_int16 yyss_alloc;
428 YYSTYPE yyvs_alloc;]b4_locations_if([
429 YYLTYPE yyls_alloc;])[
432 /* The size of the maximum gap between one aligned stack and the next. */
433 # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1)
435 /* The size of an array large to enough to hold all stacks, each with
438 [# define YYSTACK_BYTES(N) \
439 ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \
440 + 2 * YYSTACK_GAP_MAXIMUM)],
441 [# define YYSTACK_BYTES(N) \
442 ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \
443 + YYSTACK_GAP_MAXIMUM)])[
445 /* Copy COUNT objects from FROM to TO. The source and destination do
448 # if defined __GNUC__ && 1 < __GNUC__
449 # define YYCOPY(To, From, Count) \
450 __builtin_memcpy (To, From, (Count) * sizeof (*(From)))
452 # define YYCOPY(To, From, Count) \
456 for (yyi = 0; yyi < (Count); yyi++) \
457 (To)[yyi] = (From)[yyi]; \
463 /* Relocate STACK from its old location to the new one. The
464 local variables YYSIZE and YYSTACKSIZE give the old and new number of
465 elements in the stack, and YYPTR gives the new location of the
466 stack. Advance YYPTR to a properly aligned location for the next
468 # define YYSTACK_RELOCATE(Stack_alloc, Stack) \
471 YYSIZE_T yynewbytes; \
472 YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \
473 Stack = &yyptr->Stack_alloc; \
474 yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \
475 yyptr += yynewbytes / sizeof (*yyptr); \
481 /* YYFINAL -- State number of the termination state. */
482 #define YYFINAL ]b4_final_state_number[
483 /* YYLAST -- Last index in YYTABLE. */
484 #define YYLAST ]b4_last[
486 /* YYNTOKENS -- Number of terminals. */
487 #define YYNTOKENS ]b4_tokens_number[
488 /* YYNNTS -- Number of nonterminals. */
489 #define YYNNTS ]b4_nterms_number[
490 /* YYNRULES -- Number of rules. */
491 #define YYNRULES ]b4_rules_number[
492 /* YYNRULES -- Number of states. */
493 #define YYNSTATES ]b4_states_number[
495 /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */
496 #define YYUNDEFTOK ]b4_undef_token_number[
497 #define YYMAXUTOK ]b4_user_token_number_max[
499 #define YYTRANSLATE(YYX) \
500 ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK)
502 /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */
503 static const ]b4_int_type_for([b4_translate])[ yytranslate[] =
509 /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in
511 static const ]b4_int_type_for([b4_prhs])[ yyprhs[] =
516 /* YYRHS -- A `-1'-separated list of the rules' RHS. */
517 static const ]b4_int_type_for([b4_rhs])[ yyrhs[] =
522 /* YYRLINE[YYN] -- source line where rule number YYN was defined. */
523 static const ]b4_int_type_for([b4_rline])[ yyrline[] =
529 #if YYDEBUG || YYERROR_VERBOSE || YYTOKEN_TABLE
530 /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM.
531 First, the terminals, then, starting at YYNTOKENS, nonterminals. */
532 static const char *const yytname[] =
539 /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to
541 static const ]b4_int_type_for([b4_toknum])[ yytoknum[] =
547 /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */
548 static const ]b4_int_type_for([b4_r1])[ yyr1[] =
553 /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */
554 static const ]b4_int_type_for([b4_r2])[ yyr2[] =
559 /* YYDEFACT[STATE-NAME] -- Default rule to reduce with in state
560 STATE-NUM when YYTABLE doesn't specify something else to do. Zero
561 means the default is an error. */
562 static const ]b4_int_type_for([b4_defact])[ yydefact[] =
567 /* YYDEFGOTO[NTERM-NUM]. */
568 static const ]b4_int_type_for([b4_defgoto])[ yydefgoto[] =
573 /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing
575 #define YYPACT_NINF ]b4_pact_ninf[
576 static const ]b4_int_type_for([b4_pact])[ yypact[] =
581 /* YYPGOTO[NTERM-NUM]. */
582 static const ]b4_int_type_for([b4_pgoto])[ yypgoto[] =
587 /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If
588 positive, shift that token. If negative, reduce the rule which
589 number is the opposite. If zero, do what YYDEFACT says.
590 If YYTABLE_NINF, syntax error. */
591 #define YYTABLE_NINF ]b4_table_ninf[
592 static const ]b4_int_type_for([b4_table])[ yytable[] =
597 static const ]b4_int_type_for([b4_check])[ yycheck[] =
602 /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing
603 symbol of state STATE-NUM. */
604 static const ]b4_int_type_for([b4_stos])[ yystos[] =
609 #define yyerrok (yyerrstatus = 0)
610 #define yyclearin (yychar = YYEMPTY)
614 #define YYACCEPT goto yyacceptlab
615 #define YYABORT goto yyabortlab
616 #define YYERROR goto yyerrorlab
619 /* Like YYERROR except do call yyerror. This remains here temporarily
620 to ease the transition to the new meaning of YYERROR, for GCC.
621 Once GCC version 2 has supplanted version 1, this can go. */
623 #define YYFAIL goto yyerrlab
625 #define YYRECOVERING() (!!yyerrstatus)
627 #define YYBACKUP(Token, Value) \
629 if (yychar == YYEMPTY && yylen == 1) \
633 yytoken = YYTRANSLATE (yychar); \
639 yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \
646 #define YYERRCODE 256
649 /* YYLLOC_DEFAULT -- Set CURRENT to span from RHS[1] to RHS[N].
650 If N is 0, then set CURRENT to the empty location which ends
651 the previous symbol: RHS[0] (always defined). */
653 #define YYRHSLOC(Rhs, K) ((Rhs)[K])
654 #ifndef YYLLOC_DEFAULT
655 # define YYLLOC_DEFAULT(Current, Rhs, N) \
659 (Current).first_line = YYRHSLOC (Rhs, 1).first_line; \
660 (Current).first_column = YYRHSLOC (Rhs, 1).first_column; \
661 (Current).last_line = YYRHSLOC (Rhs, N).last_line; \
662 (Current).last_column = YYRHSLOC (Rhs, N).last_column; \
666 (Current).first_line = (Current).last_line = \
667 YYRHSLOC (Rhs, 0).last_line; \
668 (Current).first_column = (Current).last_column = \
669 YYRHSLOC (Rhs, 0).last_column; \
675 /* YY_LOCATION_PRINT -- Print the location on the stream.
676 This macro was not mandated originally: define only if we know
677 we won't break user code: when these are the locations we know. */
679 #ifndef YY_LOCATION_PRINT
680 # if YYLTYPE_IS_TRIVIAL
681 # define YY_LOCATION_PRINT(File, Loc) \
682 fprintf (File, "%d.%d-%d.%d", \
683 (Loc).first_line, (Loc).first_column, \
684 (Loc).last_line, (Loc).last_column)
686 # define YY_LOCATION_PRINT(File, Loc) ((void) 0)
691 /* YYLEX -- calling `yylex' with the right arguments. */
694 # define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM)
696 # define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[
699 /* Enable debugging if requested. */
703 # include <stdio.h> /* INFRINGES ON USER NAME SPACE */
704 # define YYFPRINTF fprintf
707 # define YYDPRINTF(Args) \
713 # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \
717 YYFPRINTF (stderr, "%s ", Title); \
718 yy_symbol_print (stderr, \
719 Type, Value]b4_locations_if([, Location])[]b4_user_args[); \
720 YYFPRINTF (stderr, "\n"); \
724 ]b4_yy_symbol_print_generate([b4_c_function_def])[
726 /*------------------------------------------------------------------.
727 | yy_stack_print -- Print the state stack from its BOTTOM up to its |
729 `------------------------------------------------------------------*/
731 ]b4_c_function_def([yy_stack_print], [static void],
732 [[yytype_int16 *yybottom], [yybottom]],
733 [[yytype_int16 *yytop], [yytop]])[
735 YYFPRINTF (stderr, "Stack now");
736 for (; yybottom <= yytop; yybottom++)
738 int yybot = *yybottom;
739 YYFPRINTF (stderr, " %d", yybot);
741 YYFPRINTF (stderr, "\n");
744 # define YY_STACK_PRINT(Bottom, Top) \
747 yy_stack_print ((Bottom), (Top)); \
751 /*------------------------------------------------.
752 | Report that the YYRULE is going to be reduced. |
753 `------------------------------------------------*/
755 ]b4_c_function_def([yy_reduce_print], [static void],
756 [[YYSTYPE *yyvsp], [yyvsp]],
757 b4_locations_if([[[YYLTYPE *yylsp], [yylsp]],
758 ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [,
761 int yynrhs = yyr2[yyrule];
763 unsigned long int yylno = yyrline[yyrule];
764 YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n",
766 /* The symbols being reduced. */
767 for (yyi = 0; yyi < yynrhs; yyi++)
769 YYFPRINTF (stderr, " $%d = ", yyi + 1);
770 yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi],
771 &]b4_rhs_value(yynrhs, yyi + 1)[
772 ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl
774 YYFPRINTF (stderr, "\n");
778 # define YY_REDUCE_PRINT(Rule) \
781 yy_reduce_print (yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \
784 /* Nonzero means print parse trace. It is left uninitialized so that
785 multiple parsers can coexist. */
788 # define YYDPRINTF(Args)
789 # define YY_SYMBOL_PRINT(Title, Type, Value, Location)
790 # define YY_STACK_PRINT(Bottom, Top)
791 # define YY_REDUCE_PRINT(Rule)
792 #endif /* !YYDEBUG */
795 /* YYINITDEPTH -- initial size of the parser's stacks. */
797 # define YYINITDEPTH ]b4_stack_depth_init[
800 /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only
801 if the built-in stack extension method is used).
803 Do not make this value too large; the results are undefined if
804 YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH)
805 evaluated with infinite-precision integer arithmetic. */
808 # define YYMAXDEPTH ]b4_stack_depth_max[
816 # if defined __GLIBC__ && defined _STRING_H
817 # define yystrlen strlen
819 /* Return the length of YYSTR. */
820 ]b4_c_function_def([yystrlen], [static YYSIZE_T],
821 [[const char *yystr], [yystr]])[
824 for (yylen = 0; yystr[yylen]; yylen++)
832 # if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE
833 # define yystpcpy stpcpy
835 /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in
837 ]b4_c_function_def([yystpcpy], [static char *],
838 [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[
841 const char *yys = yysrc;
843 while ((*yyd++ = *yys++) != '\0')
852 /* Copy to YYRES the contents of YYSTR after stripping away unnecessary
853 quotes and backslashes, so that it's suitable for yyerror. The
854 heuristic is that double-quoting is unnecessary unless the string
855 contains an apostrophe, a comma, or backslash (other than
856 backslash-backslash). YYSTR is taken from yytname. If YYRES is
857 null, do not copy; instead, return the length of what the result
860 yytnamerr (char *yyres, const char *yystr)
865 char const *yyp = yystr;
872 goto do_not_strip_quotes;
876 goto do_not_strip_quotes;
889 do_not_strip_quotes: ;
893 return yystrlen (yystr);
895 return yystpcpy (yyres, yystr) - yyres;
899 /* Copy into YYRESULT an error message about the unexpected token
900 YYCHAR while in state YYSTATE. Return the number of bytes copied,
901 including the terminating null byte. If YYRESULT is null, do not
902 copy anything; just return the number of bytes that would be
903 copied. As a special case, return 0 if an ordinary "syntax error"
904 message will do. Return YYSIZE_MAXIMUM if overflow occurs during
907 yysyntax_error (char *yyresult, int yystate, int yychar)
909 int yyn = yypact[yystate];
911 if (! (YYPACT_NINF < yyn && yyn <= YYLAST))
915 int yytype = YYTRANSLATE (yychar);
916 YYSIZE_T yysize0 = yytnamerr (0, yytname[yytype]);
917 YYSIZE_T yysize = yysize0;
919 int yysize_overflow = 0;
920 enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 };
921 char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM];
925 /* This is so xgettext sees the translatable formats that are
926 constructed on the fly. */
927 YY_("syntax error, unexpected %s");
928 YY_("syntax error, unexpected %s, expecting %s");
929 YY_("syntax error, unexpected %s, expecting %s or %s");
930 YY_("syntax error, unexpected %s, expecting %s or %s or %s");
931 YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s");
935 static char const yyunexpected[] = "syntax error, unexpected %s";
936 static char const yyexpecting[] = ", expecting %s";
937 static char const yyor[] = " or %s";
938 char yyformat[sizeof yyunexpected
939 + sizeof yyexpecting - 1
940 + ((YYERROR_VERBOSE_ARGS_MAXIMUM - 2)
941 * (sizeof yyor - 1))];
942 char const *yyprefix = yyexpecting;
944 /* Start YYX at -YYN if negative to avoid negative indexes in
946 int yyxbegin = yyn < 0 ? -yyn : 0;
948 /* Stay within bounds of both yycheck and yytname. */
949 int yychecklim = YYLAST - yyn + 1;
950 int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;
953 yyarg[0] = yytname[yytype];
954 yyfmt = yystpcpy (yyformat, yyunexpected);
956 for (yyx = yyxbegin; yyx < yyxend; ++yyx)
957 if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR)
959 if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM)
963 yyformat[sizeof yyunexpected - 1] = '\0';
966 yyarg[yycount++] = yytname[yyx];
967 yysize1 = yysize + yytnamerr (0, yytname[yyx]);
968 yysize_overflow |= (yysize1 < yysize);
970 yyfmt = yystpcpy (yyfmt, yyprefix);
975 yysize1 = yysize + yystrlen (yyf);
976 yysize_overflow |= (yysize1 < yysize);
980 return YYSIZE_MAXIMUM;
984 /* Avoid sprintf, as that infringes on the user's name space.
985 Don't have undefined behavior even if the translation
986 produced a string with the wrong number of "%s"s. */
987 char *yyp = yyresult;
989 while ((*yyp = *yyf) != '\0')
991 if (*yyp == '%' && yyf[1] == 's' && yyi < yycount)
993 yyp += yytnamerr (yyp, yyarg[yyi++]);
1006 #endif /* YYERROR_VERBOSE */
1009 ]b4_yydestruct_generate([b4_c_function_def])[
1012 [[/* Prevent warnings from -Wmissing-prototypes. */
1013 #ifdef YYPARSE_PARAM
1014 ]b4_c_function_decl([yyparse], [int],
1015 [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[
1016 #else /* ! YYPARSE_PARAM */
1017 ]b4_c_function_decl([yyparse], [int], b4_parse_param)[
1018 #endif /* ! YYPARSE_PARAM */]])
1020 m4_divert_push([KILL])# ======================== M4 code.
1021 # b4_declare_scanner_communication_variables
1022 # ------------------------------------------
1023 # Declare the variables that are global, or local to YYPARSE if
1025 m4_define([b4_declare_scanner_communication_variables],
1026 [[/* The lookahead symbol. */
1029 /* The semantic value of the lookahead symbol. */
1032 /* Location data for the lookahead symbol. */
1034 ]])b4_pure_if([], [[
1035 /* Number of syntax errors so far. */
1039 # b4_declare_parser_state_variables
1040 # ---------------------------------
1041 # Declare all the variables that are needed to maintain the parser state
1042 # between calls to yypush_parse.
1043 m4_define([b4_declare_parser_state_variables],
1044 [b4_pure_if([[ /* Number of syntax errors so far. */
1048 /* Number of tokens to shift before error messages enabled. */
1051 /* The stacks and their tools:
1052 `yyss': related to states.
1053 `yyvs': related to semantic values.]b4_locations_if([[
1054 `yyls': related to locations.]])[
1056 Refer to the stacks thru separate pointers, to allow yyoverflow
1057 to reallocate them elsewhere. */
1059 /* The state stack. */
1060 yytype_int16 yyssa[YYINITDEPTH];
1062 yytype_int16 *yyssp;
1064 /* The semantic value stack. */
1065 YYSTYPE yyvsa[YYINITDEPTH];
1069 /* The location stack. */
1070 YYLTYPE yylsa[YYINITDEPTH];
1074 /* The locations where the error started and ended. */
1075 YYLTYPE yyerror_range[2];
1077 YYSIZE_T yystacksize;
1080 m4_divert_pop([KILL])dnl# ====================== End of M4 code.
1082 b4_pure_if([], [b4_declare_scanner_communication_variables])
1087 ]b4_declare_parser_state_variables[
1088 /* Used to determine if this is the first time this instance has
1091 };]b4_pure_if([], [[
1093 static char yypstate_allocated = 0;]])b4_pull_if([
1095 b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[
1097 return yypull_parse (0]m4_ifset([b4_parse_param],
1098 [[, ]b4_c_args(b4_parse_param)])[);
1101 ]b4_c_function_def([[yypull_parse]], [[int]],
1102 [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
1106 yypstate *yyps_local;]b4_pure_if([[
1108 YYSTYPE yylval;]b4_locations_if([[
1109 YYLTYPE yylloc;]])])[
1112 yyps_local = yypstate_new ();
1115 yyerror (]b4_yyerror_args[YY_("memory exhausted"));]], [[
1116 if (!yypstate_allocated)
1117 yyerror (]b4_yyerror_args[YY_("memory exhausted"));]])[
1126 yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_c_args(b4_parse_param)])[);
1127 } while (yystatus == YYPUSH_MORE);
1129 yypstate_delete (yyps_local);
1133 /* Initialize the parser data structure. */
1134 ]b4_c_function_def([[yypstate_new]], [[yypstate *]])[
1136 yypstate *yyps;]b4_pure_if([], [[
1137 if (yypstate_allocated)
1139 yyps = (yypstate *) malloc (sizeof *yyps);
1142 yyps->yynew = 1;]b4_pure_if([], [[
1143 yypstate_allocated = 1;]])[
1147 ]b4_c_function_def([[yypstate_delete]], [[void]],
1148 [[[yypstate *yyps]], [[yyps]]])[
1151 /* If the stack was reallocated but the parse did not complete, then the
1152 stack still needs to be freed. */
1153 if (!yyps->yynew && yyps->yyss != yyps->yyssa)
1154 YYSTACK_FREE (yyps->yyss);
1156 free (yyps);]b4_pure_if([], [[
1157 yypstate_allocated = 0;]])[
1160 ]b4_pure_if([[#define ]b4_prefix[nerrs yyps->]b4_prefix[nerrs
1161 ]])[#define yystate yyps->yystate
1162 #define yyerrstatus yyps->yyerrstatus
1163 #define yyssa yyps->yyssa
1164 #define yyss yyps->yyss
1165 #define yyssp yyps->yyssp
1166 #define yyvsa yyps->yyvsa
1167 #define yyvs yyps->yyvs
1168 #define yyvsp yyps->yyvsp
1169 ]b4_locations_if([[#define yylsa yyps->yylsa
1170 #define yyls yyps->yyls
1171 #define yylsp yyps->yylsp
1172 #define yyerror_range yyps->yyerror_range
1173 ]])[#define yystacksize yyps->yystacksize
1175 /*-------------------------.
1176 | yyparse or yypush_parse. |
1177 `-------------------------*/
1179 b4_c_function_def([[yypush_parse]], [[int]],
1180 [[[yypstate *yyps]], [[yyps]]]b4_pure_if([,
1181 [[[int yypushed_char]], [[yypushed_char]]],
1182 [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
1183 [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
1184 b4_parse_param]))], [
1185 #ifdef YYPARSE_PARAM
1186 b4_c_function_def([yyparse], [int], [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])
1187 #else /* ! YYPARSE_PARAM */
1188 b4_c_function_def([yyparse], [int], b4_parse_param)
1191 ]b4_pure_if([b4_declare_scanner_communication_variables])
1192 b4_push_if([b4_pure_if([], [[ int yypushed_char = yychar;
1193 YYSTYPE yypushed_val = yylval;
1194 ]b4_locations_if([[YYLTYPE yypushed_loc = yylloc;
1196 [b4_declare_parser_state_variables])[
1199 /* Lookahead token as an internal (translated) token number. */
1201 /* The variables used to return semantic value and location from the
1203 YYSTYPE yyval;]b4_locations_if([[
1207 /* Buffer for error messages, and its allocated size. */
1209 char *yymsg = yymsgbuf;
1210 YYSIZE_T yymsg_alloc = sizeof yymsgbuf;
1213 #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_locations_if([, yylsp -= (N)])[)
1215 /* The number of symbols on the RHS of the reduced rule.
1216 Keep to zero when no symbol should be popped. */
1217 int yylen = 0;]b4_push_if([[
1221 yyn = yypact[yystate];
1222 goto yyread_pushed_token;
1227 yyvs = yyvsa;]b4_locations_if([[
1229 yystacksize = YYINITDEPTH;
1231 YYDPRINTF ((stderr, "Starting parse\n"));
1236 yychar = YYEMPTY; /* Cause a token to be read. */
1238 /* Initialize stack pointers.
1239 Waste one element of value and location stack
1240 so that they stay on the same level as the state stack.
1241 The wasted elements are never initialized. */
1243 yyvsp = yyvs;]b4_locations_if([[
1246 #if YYLTYPE_IS_TRIVIAL
1247 /* Initialize the default location before parsing starts. */
1248 yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[;
1249 yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[;
1251 m4_ifdef([b4_initial_action],[
1252 m4_pushdef([b4_at_dollar], [m4_define([b4_at_dollar_used])yylloc])dnl
1253 m4_pushdef([b4_dollar_dollar], [m4_define([b4_dollar_dollar_used])yylval])dnl
1254 /* User initialization code. */
1255 b4_user_initial_action
1256 m4_popdef([b4_dollar_dollar])dnl
1257 m4_popdef([b4_at_dollar])])dnl
1258 m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval;
1260 m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc;
1264 /*------------------------------------------------------------.
1265 | yynewstate -- Push a new state, which is found in yystate. |
1266 `------------------------------------------------------------*/
1268 /* In all cases, when you get here, the value and location stacks
1269 have just been pushed. So pushing a state here evens the stacks. */
1275 if (yyss + yystacksize - 1 <= yyssp)
1277 /* Get the current used size of the three stacks, in elements. */
1278 YYSIZE_T yysize = yyssp - yyss + 1;
1282 /* Give user a chance to reallocate the stack. Use copies of
1283 these so that the &'s don't force the real ones into
1285 YYSTYPE *yyvs1 = yyvs;
1286 yytype_int16 *yyss1 = yyss;]b4_locations_if([
1287 YYLTYPE *yyls1 = yyls;])[
1289 /* Each stack pointer address is followed by the size of the
1290 data in use in that stack, in bytes. This used to be a
1291 conditional around just the two extra args, but that might
1292 be undefined if yyoverflow is a macro. */
1293 yyoverflow (YY_("memory exhausted"),
1294 &yyss1, yysize * sizeof (*yyssp),
1295 &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([
1296 &yyls1, yysize * sizeof (*yylsp),])[
1303 #else /* no yyoverflow */
1304 # ifndef YYSTACK_RELOCATE
1305 goto yyexhaustedlab;
1307 /* Extend the stack our own way. */
1308 if (YYMAXDEPTH <= yystacksize)
1309 goto yyexhaustedlab;
1311 if (YYMAXDEPTH < yystacksize)
1312 yystacksize = YYMAXDEPTH;
1315 yytype_int16 *yyss1 = yyss;
1316 union yyalloc *yyptr =
1317 (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize));
1319 goto yyexhaustedlab;
1320 YYSTACK_RELOCATE (yyss_alloc, yyss);
1321 YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([
1322 YYSTACK_RELOCATE (yyls_alloc, yyls);])[
1323 # undef YYSTACK_RELOCATE
1325 YYSTACK_FREE (yyss1);
1328 #endif /* no yyoverflow */
1330 yyssp = yyss + yysize - 1;
1331 yyvsp = yyvs + yysize - 1;]b4_locations_if([
1332 yylsp = yyls + yysize - 1;])[
1334 YYDPRINTF ((stderr, "Stack size increased to %lu\n",
1335 (unsigned long int) yystacksize));
1337 if (yyss + yystacksize - 1 <= yyssp)
1341 YYDPRINTF ((stderr, "Entering state %d\n", yystate));
1343 if (yystate == YYFINAL)
1353 /* Do appropriate processing given the current state. Read a
1354 lookahead token if we need one and don't already have one. */
1356 /* First try to decide what to do without reference to lookahead token. */
1357 yyn = yypact[yystate];
1358 if (yyn == YYPACT_NINF)
1361 /* Not known => get a lookahead token if don't already have one. */
1363 /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */
1364 if (yychar == YYEMPTY)
1367 {]b4_use_push_for_pull_if([], [[
1368 YYDPRINTF ((stderr, "Return for a new token:\n"));]])[
1369 yyresult = YYPUSH_MORE;
1372 yyps->yynew = 0;]b4_pure_if([], [[
1373 /* Restoring the pushed token is only necessary for the first
1374 yypush_parse invocation since subsequent invocations don't overwrite
1375 it before jumping to yyread_pushed_token. */
1376 yychar = yypushed_char;
1377 yylval = yypushed_val;]b4_locations_if([[
1378 yylloc = yypushed_loc;]])])[
1379 yyread_pushed_token:]])[
1380 YYDPRINTF ((stderr, "Reading a token: "));]b4_push_if([b4_pure_if([[
1381 yychar = yypushed_char;
1383 yylval = *yypushed_val;]b4_locations_if([[
1385 yylloc = *yypushed_loc;]])])], [[
1389 if (yychar <= YYEOF)
1391 yychar = yytoken = YYEOF;
1392 YYDPRINTF ((stderr, "Now at end of input.\n"));
1396 yytoken = YYTRANSLATE (yychar);
1397 YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc);
1400 /* If the proper action on seeing token YYTOKEN is to reduce or to
1401 detect an error, take that action. */
1403 if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)
1408 if (yyn == 0 || yyn == YYTABLE_NINF)
1414 /* Count tokens shifted since error; after three, turn off error
1419 /* Shift the lookahead token. */
1420 YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc);
1422 /* Discard the shifted token. */
1427 ]b4_locations_if([ *++yylsp = yylloc;])[
1431 /*-----------------------------------------------------------.
1432 | yydefault -- do the default action for the current state. |
1433 `-----------------------------------------------------------*/
1435 yyn = yydefact[yystate];
1441 /*-----------------------------.
1442 | yyreduce -- Do a reduction. |
1443 `-----------------------------*/
1445 /* yyn is the number of a rule to reduce with. */
1448 /* If YYLEN is nonzero, implement the default value of the action:
1451 Otherwise, the following line sets YYVAL to garbage.
1452 This behavior is undocumented and Bison
1453 users should not rely upon it. Assigning to YYVAL
1454 unconditionally makes the parser a bit smaller, and it avoids a
1455 GCC warning that YYVAL may be used uninitialized. */
1456 yyval = yyvsp[1-yylen];
1459 [[ /* Default location. */
1460 YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);]])[
1461 YY_REDUCE_PRINT (yyn);
1467 YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc);
1471 YY_STACK_PRINT (yyss, yyssp);
1473 *++yyvsp = yyval;]b4_locations_if([
1474 *++yylsp = yyloc;])[
1476 /* Now `shift' the result of the reduction. Determine what state
1477 that goes to, based on the state we popped back to and the rule
1478 number reduced by. */
1482 yystate = yypgoto[yyn - YYNTOKENS] + *yyssp;
1483 if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp)
1484 yystate = yytable[yystate];
1486 yystate = yydefgoto[yyn - YYNTOKENS];
1491 /*------------------------------------.
1492 | yyerrlab -- here on detecting error |
1493 `------------------------------------*/
1495 /* If not already recovering from an error, report this error. */
1499 #if ! YYERROR_VERBOSE
1500 yyerror (]b4_yyerror_args[YY_("syntax error"));
1503 YYSIZE_T yysize = yysyntax_error (0, yystate, yychar);
1504 if (yymsg_alloc < yysize && yymsg_alloc < YYSTACK_ALLOC_MAXIMUM)
1506 YYSIZE_T yyalloc = 2 * yysize;
1507 if (! (yysize <= yyalloc && yyalloc <= YYSTACK_ALLOC_MAXIMUM))
1508 yyalloc = YYSTACK_ALLOC_MAXIMUM;
1509 if (yymsg != yymsgbuf)
1510 YYSTACK_FREE (yymsg);
1511 yymsg = (char *) YYSTACK_ALLOC (yyalloc);
1513 yymsg_alloc = yyalloc;
1517 yymsg_alloc = sizeof yymsgbuf;
1521 if (0 < yysize && yysize <= yymsg_alloc)
1523 (void) yysyntax_error (yymsg, yystate, yychar);
1524 yyerror (]b4_yyerror_args[yymsg);
1528 yyerror (]b4_yyerror_args[YY_("syntax error"));
1530 goto yyexhaustedlab;
1536 ]b4_locations_if([[ yyerror_range[0] = yylloc;]])[
1538 if (yyerrstatus == 3)
1540 /* If just tried and failed to reuse lookahead token after an
1541 error, discard it. */
1543 if (yychar <= YYEOF)
1545 /* Return failure if at end of input. */
1546 if (yychar == YYEOF)
1551 yydestruct ("Error: discarding",
1552 yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
1557 /* Else will try to reuse lookahead token after shifting the error
1562 /*---------------------------------------------------.
1563 | yyerrorlab -- error raised explicitly by YYERROR. |
1564 `---------------------------------------------------*/
1567 /* Pacify compilers like GCC when the user code never invokes
1568 YYERROR and the label yyerrorlab therefore never appears in user
1570 if (/*CONSTCOND*/ 0)
1573 ]b4_locations_if([[ yyerror_range[0] = yylsp[1-yylen];
1574 ]])[ /* Do not reclaim the symbols of the rule which action triggered
1578 YY_STACK_PRINT (yyss, yyssp);
1583 /*-------------------------------------------------------------.
1584 | yyerrlab1 -- common code for both syntax error and YYERROR. |
1585 `-------------------------------------------------------------*/
1587 yyerrstatus = 3; /* Each real token shifted decrements this. */
1591 yyn = yypact[yystate];
1592 if (yyn != YYPACT_NINF)
1595 if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR)
1603 /* Pop the current state because it cannot handle the error token. */
1607 ]b4_locations_if([[ yyerror_range[0] = *yylsp;]])[
1608 yydestruct ("Error: popping",
1609 yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
1612 YY_STACK_PRINT (yyss, yyssp);
1617 yyerror_range[1] = yylloc;
1618 /* Using YYLLOC is tempting, but would change the location of
1619 the lookahead. YYLOC is available though. */
1620 YYLLOC_DEFAULT (yyloc, (yyerror_range - 1), 2);
1621 *++yylsp = yyloc;]])[
1623 /* Shift the error token. */
1624 YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp);
1630 /*-------------------------------------.
1631 | yyacceptlab -- YYACCEPT comes here. |
1632 `-------------------------------------*/
1637 /*-----------------------------------.
1638 | yyabortlab -- YYABORT comes here. |
1639 `-----------------------------------*/
1644 #if !defined(yyoverflow) || YYERROR_VERBOSE
1645 /*-------------------------------------------------.
1646 | yyexhaustedlab -- memory exhaustion comes here. |
1647 `-------------------------------------------------*/
1649 yyerror (]b4_yyerror_args[YY_("memory exhausted"));
1655 if (yychar != YYEMPTY)
1656 yydestruct ("Cleanup: discarding lookahead",
1657 yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[);
1658 /* Do not reclaim the symbols of the rule which action triggered
1659 this YYABORT or YYACCEPT. */
1661 YY_STACK_PRINT (yyss, yyssp);
1662 while (yyssp != yyss)
1664 yydestruct ("Cleanup: popping",
1665 yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[);
1670 YYSTACK_FREE (yyss);
1672 ]b4_push_if([[ yyps->yynew = 1;
1675 ]])[#if YYERROR_VERBOSE
1676 if (yymsg != yymsgbuf)
1677 YYSTACK_FREE (yymsg);
1679 /* Make sure YYID is used. */
1680 return YYID (yyresult);
1686 [@output(b4_spec_defines_file@)
1687 b4_copyright([Skeleton interface for Bison's Yacc-like parsers in C],dnl '
1688 [1984, 1989, 1990, 2000, 2001, 2002, 2003, 2004, 2005, 2006])
1690 b4_percent_code_get([[requires]])[]dnl
1692 b4_token_enums_defines(b4_tokens)
1694 [#if ! defined YYSTYPE && ! defined YYSTYPE_IS_DECLARED
1695 ]m4_ifdef([b4_stype],
1696 [[typedef union ]b4_union_name[
1700 # define YYSTYPE_IS_TRIVIAL 1]],
1701 [m4_if(b4_tag_seen_flag, 0,
1702 [[typedef int YYSTYPE;
1703 # define YYSTYPE_IS_TRIVIAL 1]])])[
1704 # define yystype YYSTYPE /* obsolescent; will be withdrawn */
1705 # define YYSTYPE_IS_DECLARED 1
1708 ]b4_pure_if([], [[extern YYSTYPE ]b4_prefix[lval;]])
1711 [#if ! defined YYLTYPE && ! defined YYLTYPE_IS_DECLARED
1712 typedef struct YYLTYPE
1719 # define yyltype YYLTYPE /* obsolescent; will be withdrawn */
1720 # define YYLTYPE_IS_DECLARED 1
1721 # define YYLTYPE_IS_TRIVIAL 1
1724 ]b4_pure_if([], [[extern YYLTYPE ]b4_prefix[lloc;]])
1725 )dnl b4_locations_if
1727 #ifndef YYPUSH_DECLS
1728 # define YYPUSH_DECLS
1729 struct ]b4_prefix[pstate;
1730 typedef struct ]b4_prefix[pstate ]b4_prefix[pstate;
1731 enum { YYPUSH_MORE = 4 };
1732 ]b4_pull_if([b4_c_function_decl([b4_prefix[parse]], [[int]], b4_parse_param)
1733 ])b4_c_function_decl([b4_prefix[push_parse]], [[int]],
1734 [[b4_prefix[pstate *yyps]], [[yyps]]]b4_pure_if([,
1735 [[[int yypushed_char]], [[yypushed_char]]],
1736 [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([,
1737 [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [,
1739 b4_pull_if([b4_c_function_decl([b4_prefix[pull_parse]], [[int]],
1740 [[b4_prefix[pstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [,
1742 b4_c_function_decl([b4_prefix[pstate_new]], [b4_prefix[pstate *]],
1744 b4_c_function_decl([b4_prefix[pstate_delete]], [[void]],
1745 [[b4_prefix[pstate *yyps]], [[yyps]]])[
1748 b4_percent_code_get([[provides]])[]dnl