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08af01c2 | 1 | -*- C -*- |
a8289c62 | 2 | |
60491a94 | 3 | # Yacc compatible skeleton for Bison |
c7a65b99 | 4 | |
c932d613 | 5 | # Copyright (C) 1984, 1989-1990, 2000-2012 Free Software Foundation, |
ea0a7676 | 6 | # Inc. |
60491a94 | 7 | |
f16b0819 | 8 | # This program is free software: you can redistribute it and/or modify |
60491a94 | 9 | # it under the terms of the GNU General Public License as published by |
f16b0819 | 10 | # the Free Software Foundation, either version 3 of the License, or |
60491a94 | 11 | # (at your option) any later version. |
f16b0819 | 12 | # |
60491a94 AD |
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. | |
f16b0819 | 17 | # |
60491a94 | 18 | # You should have received a copy of the GNU General Public License |
f16b0819 | 19 | # along with this program. If not, see <http://www.gnu.org/licenses/>. |
60491a94 | 20 | |
812775a0 JD |
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]], | |
93d0103d | 24 | [[pull]], [[push]], [[both]]]]) |
9ca7f077 JD |
25 | b4_define_flag_if([pull]) m4_define([b4_pull_flag], [[1]]) |
26 | b4_define_flag_if([push]) m4_define([b4_push_flag], [[1]]) | |
812775a0 | 27 | m4_case(b4_percent_define_get([[api.push-pull]]), |
9ca7f077 JD |
28 | [pull], [m4_define([b4_push_flag], [[0]])], |
29 | [push], [m4_define([b4_pull_flag], [[0]])]) | |
30 | ||
31 | # Handle BISON_USE_PUSH_FOR_PULL for the test suite. So that push parsing | |
7e5ef706 PE |
32 | # tests function as written, do not let BISON_USE_PUSH_FOR_PULL modify the |
33 | # behavior of Bison at all when push parsing is already requested. | |
9ca7f077 JD |
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]])])]) | |
945e396c | 38 | |
723fe7d1 JD |
39 | # Check the value of %define parse.lac and friends, where LAC stands for |
40 | # lookahead correction. | |
ea13bea8 | 41 | b4_percent_define_default([[parse.lac]], [[none]]) |
723fe7d1 JD |
42 | b4_percent_define_default([[parse.lac.es-capacity-initial]], [[20]]) |
43 | b4_percent_define_default([[parse.lac.memory-trace]], [[failures]]) | |
44 | b4_percent_define_check_values([[[[parse.lac]], [[full]], [[none]]]], | |
45 | [[[[parse.lac.memory-trace]], | |
46 | [[failures]], [[full]]]]) | |
ea13bea8 JD |
47 | b4_define_flag_if([lac]) |
48 | m4_define([b4_lac_flag], | |
49 | [m4_if(b4_percent_define_get([[parse.lac]]), | |
50 | [none], [[0]], [[1]])]) | |
51 | ||
0a96ba81 | 52 | m4_include(b4_pkgdatadir/[c.m4]) |
7eb8a0bc | 53 | |
66d30cd4 AD |
54 | ## ---------------- ## |
55 | ## Default values. ## | |
56 | ## ---------------- ## | |
57 | ||
58 | # Stack parameters. | |
59 | m4_define_default([b4_stack_depth_max], [10000]) | |
60 | m4_define_default([b4_stack_depth_init], [200]) | |
61 | ||
2a8d363a AD |
62 | |
63 | ## ------------------------ ## | |
64 | ## Pure/impure interfaces. ## | |
65 | ## ------------------------ ## | |
66 | ||
d9df47b6 JD |
67 | b4_percent_define_default([[api.pure]], [[false]]) |
68 | b4_define_flag_if([pure]) | |
69 | m4_define([b4_pure_flag], | |
70 | [b4_percent_define_flag_if([[api.pure]], [[1]], [[0]])]) | |
2a8d363a | 71 | |
4b367315 AD |
72 | # b4_yacc_pure_if(IF-TRUE, IF-FALSE) |
73 | # ---------------------------------- | |
2a8d363a | 74 | # Expand IF-TRUE, if %pure-parser and %parse-param, IF-FALSE otherwise. |
4b367315 | 75 | m4_define([b4_yacc_pure_if], |
2a8d363a | 76 | [b4_pure_if([m4_ifset([b4_parse_param], |
02650b7f PE |
77 | [$1], [$2])], |
78 | [$2])]) | |
2a8d363a AD |
79 | |
80 | ||
93724f13 AD |
81 | # b4_yyerror_args |
82 | # --------------- | |
2a8d363a | 83 | # Arguments passed to yyerror: user args plus yylloc. |
93724f13 | 84 | m4_define([b4_yyerror_args], |
327afc7c | 85 | [b4_yacc_pure_if([b4_locations_if([&yylloc, ])])dnl |
93724f13 | 86 | m4_ifset([b4_parse_param], [b4_c_args(b4_parse_param), ])]) |
2a8d363a AD |
87 | |
88 | ||
89 | # b4_lex_param | |
90 | # ------------ | |
d42f69cd | 91 | # Accumulate in b4_lex_param all the yylex arguments. |
2a8d363a | 92 | # b4_lex_param arrives quoted twice, but we want to keep only one level. |
21964f43 AD |
93 | m4_define([b4_lex_param], |
94 | m4_dquote(b4_pure_if([[[[YYSTYPE *]], [[&yylval]]][]dnl | |
327afc7c | 95 | b4_locations_if([, [[YYLTYPE *], [&yylloc]]])m4_ifdef([b4_lex_param], [, ])])dnl |
68cdf747 | 96 | m4_ifdef([b4_lex_param], b4_lex_param))) |
66d30cd4 AD |
97 | |
98 | ||
f1886bb2 AD |
99 | ## ------------ ## |
100 | ## Data Types. ## | |
101 | ## ------------ ## | |
102 | ||
103 | # b4_int_type(MIN, MAX) | |
104 | # --------------------- | |
105 | # Return the smallest int type able to handle numbers ranging from | |
d42cf844 PE |
106 | # MIN to MAX (included). Overwrite the version from c.m4, which |
107 | # uses only C89 types, so that the user can override the shorter | |
108 | # types, and so that pre-C89 compilers are handled correctly. | |
f1886bb2 | 109 | m4_define([b4_int_type], |
d42cf844 PE |
110 | [m4_if(b4_ints_in($@, [0], [255]), [1], [yytype_uint8], |
111 | b4_ints_in($@, [-128], [127]), [1], [yytype_int8], | |
f1886bb2 | 112 | |
d42cf844 PE |
113 | b4_ints_in($@, [0], [65535]), [1], [yytype_uint16], |
114 | b4_ints_in($@, [-32768], [32767]), [1], [yytype_int16], | |
f1886bb2 AD |
115 | |
116 | m4_eval([0 <= $1]), [1], [unsigned int], | |
117 | ||
02650b7f | 118 | [int])]) |
f1886bb2 AD |
119 | |
120 | ||
66d30cd4 AD |
121 | ## ----------------- ## |
122 | ## Semantic Values. ## | |
123 | ## ----------------- ## | |
124 | ||
125 | ||
82b6cb3f AD |
126 | # b4_lhs_value([TYPE]) |
127 | # -------------------- | |
128 | # Expansion of $<TYPE>$. | |
129 | m4_define([b4_lhs_value], | |
bc82c5a5 | 130 | [(yyval[]m4_ifval([$1], [.$1]))]) |
82b6cb3f AD |
131 | |
132 | ||
133 | # b4_rhs_value(RULE-LENGTH, NUM, [TYPE]) | |
134 | # -------------------------------------- | |
135 | # Expansion of $<TYPE>NUM, where the current rule has RULE-LENGTH | |
136 | # symbols on RHS. | |
137 | m4_define([b4_rhs_value], | |
d1ff7a7c | 138 | [(yyvsp@{($2) - ($1)@}m4_ifval([$3], [.$3]))]) |
82b6cb3f AD |
139 | |
140 | ||
58612f1d AD |
141 | |
142 | ## ----------- ## | |
143 | ## Locations. ## | |
144 | ## ----------- ## | |
145 | ||
82b6cb3f AD |
146 | # b4_lhs_location() |
147 | # ----------------- | |
148 | # Expansion of @$. | |
149 | m4_define([b4_lhs_location], | |
bc82c5a5 | 150 | [(yyloc)]) |
82b6cb3f AD |
151 | |
152 | ||
153 | # b4_rhs_location(RULE-LENGTH, NUM) | |
154 | # --------------------------------- | |
155 | # Expansion of @NUM, where the current rule has RULE-LENGTH symbols | |
156 | # on RHS. | |
157 | m4_define([b4_rhs_location], | |
d1ff7a7c | 158 | [(yylsp@{($2) - ($1)@})]) |
be2a1a68 | 159 | |
0d8bed56 | 160 | |
c0828abf AD |
161 | ## -------------- ## |
162 | ## Declarations. ## | |
163 | ## -------------- ## | |
93d0103d JD |
164 | |
165 | # b4_declare_scanner_communication_variables | |
166 | # ------------------------------------------ | |
167 | # Declare the variables that are global, or local to YYPARSE if | |
168 | # pure-parser. | |
169 | m4_define([b4_declare_scanner_communication_variables], [[ | |
170 | /* The lookahead symbol. */ | |
171 | int yychar; | |
172 | ||
173 | /* The semantic value of the lookahead symbol. */ | |
174 | YYSTYPE yylval;]b4_locations_if([[ | |
175 | ||
176 | /* Location data for the lookahead symbol. */ | |
177 | YYLTYPE yylloc;]])b4_pure_if([], [[ | |
178 | ||
179 | /* Number of syntax errors so far. */ | |
180 | int yynerrs;]])]) | |
181 | ||
182 | ||
183 | # b4_declare_parser_state_variables | |
184 | # --------------------------------- | |
185 | # Declare all the variables that are needed to maintain the parser state | |
186 | # between calls to yypush_parse. | |
187 | m4_define([b4_declare_parser_state_variables], [b4_pure_if([[ | |
188 | /* Number of syntax errors so far. */ | |
189 | int yynerrs; | |
190 | ]])[ | |
191 | int yystate; | |
192 | /* Number of tokens to shift before error messages enabled. */ | |
193 | int yyerrstatus; | |
194 | ||
195 | /* The stacks and their tools: | |
196 | `yyss': related to states. | |
197 | `yyvs': related to semantic values.]b4_locations_if([[ | |
198 | `yyls': related to locations.]])[ | |
199 | ||
cbdb6d91 | 200 | Refer to the stacks through separate pointers, to allow yyoverflow |
93d0103d JD |
201 | to reallocate them elsewhere. */ |
202 | ||
203 | /* The state stack. */ | |
204 | yytype_int16 yyssa[YYINITDEPTH]; | |
205 | yytype_int16 *yyss; | |
206 | yytype_int16 *yyssp; | |
207 | ||
208 | /* The semantic value stack. */ | |
209 | YYSTYPE yyvsa[YYINITDEPTH]; | |
210 | YYSTYPE *yyvs; | |
211 | YYSTYPE *yyvsp;]b4_locations_if([[ | |
212 | ||
213 | /* The location stack. */ | |
214 | YYLTYPE yylsa[YYINITDEPTH]; | |
215 | YYLTYPE *yyls; | |
216 | YYLTYPE *yylsp; | |
217 | ||
218 | /* The locations where the error started and ended. */ | |
a005dbcb | 219 | YYLTYPE yyerror_range[3];]])[ |
93d0103d | 220 | |
723fe7d1 JD |
221 | YYSIZE_T yystacksize;]b4_lac_if([[ |
222 | ||
223 | yytype_int16 yyesa@{]b4_percent_define_get([[parse.lac.es-capacity-initial]])[@}; | |
224 | yytype_int16 *yyes; | |
225 | YYSIZE_T yyes_capacity;]])]) | |
93d0103d | 226 | |
ae6bdabb | 227 | |
c3e9f08f AD |
228 | # b4_declare_yyparse_push_ |
229 | # ------------------------ | |
55d1006f AD |
230 | # Declaration of yyparse (and dependencies) when using the push parser |
231 | # (including in pull mode). | |
c3e9f08f | 232 | m4_define([b4_declare_yyparse_push_], |
ad60e80f AD |
233 | [[#ifndef YYPUSH_MORE_DEFINED |
234 | # define YYPUSH_MORE_DEFINED | |
ae6bdabb | 235 | enum { YYPUSH_MORE = 4 }; |
ad60e80f AD |
236 | #endif |
237 | ||
238 | typedef struct ]b4_prefix[pstate ]b4_prefix[pstate; | |
239 | ||
ae6bdabb AD |
240 | ]b4_pull_if([b4_c_function_decl([b4_prefix[parse]], [[int]], b4_parse_param) |
241 | ])b4_c_function_decl([b4_prefix[push_parse]], [[int]], | |
ad60e80f AD |
242 | [[b4_prefix[pstate *ps]], [[ps]]]b4_pure_if([, |
243 | [[[int pushed_char]], [[pushed_char]]], | |
244 | [[b4_api_PREFIX[STYPE const *pushed_val]], [[pushed_val]]]b4_locations_if([, | |
245 | [[b4_api_PREFIX[LTYPE const *pushed_loc]], [[pushed_loc]]]])])m4_ifset([b4_parse_param], [, | |
ae6bdabb AD |
246 | b4_parse_param])) |
247 | b4_pull_if([b4_c_function_decl([b4_prefix[pull_parse]], [[int]], | |
ad60e80f | 248 | [[b4_prefix[pstate *ps]], [[ps]]]m4_ifset([b4_parse_param], [, |
ae6bdabb AD |
249 | b4_parse_param]))]) |
250 | b4_c_function_decl([b4_prefix[pstate_new]], [b4_prefix[pstate *]], | |
251 | [[[void]], []]) | |
252 | b4_c_function_decl([b4_prefix[pstate_delete]], [[void]], | |
ad60e80f | 253 | [[b4_prefix[pstate *ps]], [[ps]]])dnl |
c3e9f08f AD |
254 | ]) |
255 | ||
256 | # b4_declare_yyparse_ | |
257 | # ------------------- | |
258 | # When not the push parser. | |
259 | m4_define([b4_declare_yyparse_], | |
260 | [[#ifdef YYPARSE_PARAM | |
261 | ]b4_c_function_decl(b4_prefix[parse], [int], | |
262 | [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[ | |
263 | #else /* ! YYPARSE_PARAM */ | |
264 | ]b4_c_function_decl(b4_prefix[parse], [int], b4_parse_param)[ | |
265 | #endif /* ! YYPARSE_PARAM */]dnl | |
266 | ]) | |
267 | ||
268 | ||
269 | # b4_declare_yyparse | |
270 | # ------------------ | |
271 | m4_define([b4_declare_yyparse], | |
272 | [b4_push_if([b4_declare_yyparse_push_], | |
273 | [b4_declare_yyparse_])[]dnl | |
274 | ]) | |
275 | ||
276 | ||
277 | # b4_shared_declarations | |
278 | # ---------------------- | |
279 | # Declaration that might either go into the header (if --defines) | |
280 | # or open coded in the parser body. | |
281 | m4_define([b4_shared_declarations], | |
55d1006f AD |
282 | [b4_cpp_guard_open([b4_spec_defines_file])[ |
283 | ]b4_declare_yydebug[ | |
56ca3d8f | 284 | ]b4_percent_code_get([[requires]])[ |
c3e9f08f AD |
285 | ]b4_token_enums_defines(b4_tokens)[ |
286 | ]b4_declare_yylstype[ | |
287 | ]b4_declare_yyparse[ | |
55d1006f AD |
288 | ]b4_percent_code_get([[provides]])[ |
289 | ]b4_cpp_guard_close([b4_spec_defines_file])[]dnl | |
ae6bdabb AD |
290 | ]) |
291 | ||
c0828abf AD |
292 | ## -------------- ## |
293 | ## Output files. ## | |
294 | ## -------------- ## | |
1ae72863 | 295 | |
b526ee61 AD |
296 | # We do want M4 expansion after # for CPP macros. |
297 | m4_changecom() | |
08af01c2 | 298 | m4_divert_push(0)dnl |
0d2b2ab0 | 299 | @output(b4_parser_file_name@)@ |
448dc38b | 300 | b4_copyright([Bison implementation for Yacc-like parsers in C], |
681dda24 | 301 | [1984, 1989-1990, 2000-2012])[ |
af3412cd PE |
302 | |
303 | /* C LALR(1) parser skeleton written by Richard Stallman, by | |
304 | simplifying the original so-called "semantic" parser. */ | |
444fbf65 | 305 | |
cf44a9ae PE |
306 | /* All symbols defined below should begin with yy or YY, to avoid |
307 | infringing on user name space. This should be done even for local | |
308 | variables, as they might otherwise be expanded by user macros. | |
309 | There are some unavoidable exceptions within include files to | |
310 | define necessary library symbols; they are noted "INFRINGES ON | |
311 | USER NAME SPACE" below. */ | |
312 | ||
9c1e26bd | 313 | ]b4_identification |
a4e25e1d | 314 | b4_percent_code_get([[top]])[]dnl |
4b3847c3 AD |
315 | m4_if(b4_api_prefix, [yy], [], |
316 | [[/* Substitute the type names. */ | |
9104636b AD |
317 | #define YYSTYPE ]b4_api_PREFIX[STYPE]b4_locations_if([[ |
318 | #define YYLTYPE ]b4_api_PREFIX[LTYPE]])])[ | |
4b3847c3 | 319 | ]m4_if(b4_prefix, [yy], [], |
93d0103d JD |
320 | [[/* Substitute the variable and function names. */]b4_pull_if([[ |
321 | #define yyparse ]b4_prefix[parse]])b4_push_if([[ | |
322 | #define yypush_parse ]b4_prefix[push_parse]b4_pull_if([[ | |
323 | #define yypull_parse ]b4_prefix[pull_parse]])[ | |
324 | #define yypstate_new ]b4_prefix[pstate_new | |
9ca7f077 | 325 | #define yypstate_delete ]b4_prefix[pstate_delete |
93d0103d JD |
326 | #define yypstate ]b4_prefix[pstate]])[ |
327 | #define yylex ]b4_prefix[lex | |
9ca7f077 JD |
328 | #define yyerror ]b4_prefix[error |
329 | #define yylval ]b4_prefix[lval | |
330 | #define yychar ]b4_prefix[char | |
331 | #define yydebug ]b4_prefix[debug | |
6e2d7b09 AD |
332 | #define yynerrs ]b4_prefix[nerrs]b4_locations_if([[ |
333 | #define yylloc ]b4_prefix[lloc]])])[ | |
17da6427 | 334 | |
0dd1580a | 335 | /* Copy the first part of user declarations. */ |
136a0f76 | 336 | ]b4_user_pre_prologue[ |
cce71710 | 337 | |
ef51bfa7 AD |
338 | ]b4_null_define[ |
339 | ||
d99361e6 AD |
340 | /* Enabling verbose error messages. */ |
341 | #ifdef YYERROR_VERBOSE | |
342 | # undef YYERROR_VERBOSE | |
343 | # define YYERROR_VERBOSE 1 | |
344 | #else | |
327afc7c | 345 | # define YYERROR_VERBOSE ]b4_error_verbose_flag[ |
d99361e6 AD |
346 | #endif |
347 | ||
55d1006f AD |
348 | /* In a future release of Bison, this section will be replaced |
349 | by #include "@basename(]b4_spec_defines_file[@)". */ | |
350 | ]b4_shared_declarations[ | |
9bc0dd67 | 351 | |
ae6bdabb | 352 | /* Copy the second part of user declarations. */ |
8e0a5e9e | 353 | ]b4_user_post_prologue |
a4e25e1d | 354 | b4_percent_code_get[]dnl |
7093d0f5 | 355 | |
8e0a5e9e | 356 | [#ifdef short |
d42cf844 PE |
357 | # undef short |
358 | #endif | |
359 | ||
360 | #ifdef YYTYPE_UINT8 | |
361 | typedef YYTYPE_UINT8 yytype_uint8; | |
362 | #else | |
363 | typedef unsigned char yytype_uint8; | |
364 | #endif | |
365 | ||
366 | #ifdef YYTYPE_INT8 | |
367 | typedef YYTYPE_INT8 yytype_int8; | |
368 | #elif ]b4_c_modern[ | |
369 | typedef signed char yytype_int8; | |
370 | #else | |
371 | typedef short int yytype_int8; | |
372 | #endif | |
373 | ||
374 | #ifdef YYTYPE_UINT16 | |
375 | typedef YYTYPE_UINT16 yytype_uint16; | |
376 | #else | |
377 | typedef unsigned short int yytype_uint16; | |
378 | #endif | |
379 | ||
380 | #ifdef YYTYPE_INT16 | |
381 | typedef YYTYPE_INT16 yytype_int16; | |
382 | #else | |
383 | typedef short int yytype_int16; | |
384 | #endif | |
385 | ||
55289366 | 386 | #ifndef YYSIZE_T |
02650b7f | 387 | # ifdef __SIZE_TYPE__ |
55289366 | 388 | # define YYSIZE_T __SIZE_TYPE__ |
02650b7f | 389 | # elif defined size_t |
55289366 | 390 | # define YYSIZE_T size_t |
02650b7f | 391 | # elif ! defined YYSIZE_T && ]b4_c_modern[ |
55289366 PE |
392 | # include <stddef.h> /* INFRINGES ON USER NAME SPACE */ |
393 | # define YYSIZE_T size_t | |
394 | # else | |
395 | # define YYSIZE_T unsigned int | |
396 | # endif | |
bedf57f5 | 397 | #endif |
7093d0f5 | 398 | |
b4c1f9d2 PE |
399 | #define YYSIZE_MAXIMUM ((YYSIZE_T) -1) |
400 | ||
30757c8c | 401 | #ifndef YY_ |
06caf0e1 | 402 | # if defined YYENABLE_NLS && YYENABLE_NLS |
30757c8c PE |
403 | # if ENABLE_NLS |
404 | # include <libintl.h> /* INFRINGES ON USER NAME SPACE */ | |
405 | # define YY_(msgid) dgettext ("bison-runtime", msgid) | |
406 | # endif | |
407 | # endif | |
408 | # ifndef YY_ | |
409 | # define YY_(msgid) msgid | |
410 | # endif | |
411 | #endif | |
412 | ||
2a4647a3 | 413 | /* Suppress unused-variable warnings by "using" E. */ |
02650b7f | 414 | #if ! defined lint || defined __GNUC__ |
12ce2df6 PE |
415 | # define YYUSE(e) ((void) (e)) |
416 | #else | |
417 | # define YYUSE(e) /* empty */ | |
418 | #endif | |
419 | ||
420 | /* Identity function, used to suppress warnings about constant conditions. */ | |
421 | #ifndef lint | |
422 | # define YYID(n) (n) | |
423 | #else | |
cd9e1ba2 | 424 | ]b4_c_function_def([YYID], [static int], [[int yyi], [yyi]])[ |
12ce2df6 | 425 | { |
cd9e1ba2 | 426 | return yyi; |
12ce2df6 PE |
427 | } |
428 | #endif | |
2a4647a3 | 429 | |
723fe7d1 | 430 | #if ]b4_lac_if([[1]], [[! defined yyoverflow || YYERROR_VERBOSE]])[ |
2779e383 | 431 | |
723fe7d1 JD |
432 | /* The parser invokes alloca or malloc; define the necessary symbols. */]dnl |
433 | b4_push_if([], [b4_lac_if([], [[ | |
7093d0f5 | 434 | |
b929851a PE |
435 | # ifdef YYSTACK_USE_ALLOCA |
436 | # if YYSTACK_USE_ALLOCA | |
b929851a PE |
437 | # ifdef __GNUC__ |
438 | # define YYSTACK_ALLOC __builtin_alloca | |
02650b7f | 439 | # elif defined __BUILTIN_VA_ARG_INCR |
55289366 | 440 | # include <alloca.h> /* INFRINGES ON USER NAME SPACE */ |
02650b7f | 441 | # elif defined _AIX |
55289366 | 442 | # define YYSTACK_ALLOC __alloca |
02650b7f | 443 | # elif defined _MSC_VER |
55289366 PE |
444 | # include <malloc.h> /* INFRINGES ON USER NAME SPACE */ |
445 | # define alloca _alloca | |
d7e14fc0 PE |
446 | # else |
447 | # define YYSTACK_ALLOC alloca | |
ea6046b9 | 448 | # if ! defined _ALLOCA_H && ! defined EXIT_SUCCESS && ]b4_c_modern[ |
bedf57f5 | 449 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ |
43e9e2a1 | 450 | /* Use EXIT_SUCCESS as a witness for stdlib.h. */ |
ea6046b9 PE |
451 | # ifndef EXIT_SUCCESS |
452 | # define EXIT_SUCCESS 0 | |
55289366 | 453 | # endif |
bedf57f5 | 454 | # endif |
7093d0f5 AD |
455 | # endif |
456 | # endif | |
723fe7d1 | 457 | # endif]])])[ |
7093d0f5 | 458 | |
723fe7d1 | 459 | # ifdef YYSTACK_ALLOC |
9d9b8b70 | 460 | /* Pacify GCC's `empty if-body' warning. */ |
12ce2df6 | 461 | # define YYSTACK_FREE(Ptr) do { /* empty */; } while (YYID (0)) |
506ffb1f | 462 | # ifndef YYSTACK_ALLOC_MAXIMUM |
b9c9f761 PE |
463 | /* The OS might guarantee only one guard page at the bottom of the stack, |
464 | and a page size can be as small as 4096 bytes. So we cannot safely | |
465 | invoke alloca (N) if N exceeds 4096. Use a slightly smaller number | |
466 | to allow for a few compiler-allocated temporary stack slots. */ | |
e2a21b6f | 467 | # define YYSTACK_ALLOC_MAXIMUM 4032 /* reasonable circa 2006 */ |
506ffb1f | 468 | # endif |
7093d0f5 | 469 | # else |
2779e383 PE |
470 | # define YYSTACK_ALLOC YYMALLOC |
471 | # define YYSTACK_FREE YYFREE | |
506ffb1f | 472 | # ifndef YYSTACK_ALLOC_MAXIMUM |
b4c1f9d2 | 473 | # define YYSTACK_ALLOC_MAXIMUM YYSIZE_MAXIMUM |
506ffb1f | 474 | # endif |
ea6046b9 | 475 | # if (defined __cplusplus && ! defined EXIT_SUCCESS \ |
fc3f467f PE |
476 | && ! ((defined YYMALLOC || defined malloc) \ |
477 | && (defined YYFREE || defined free))) | |
478 | # include <stdlib.h> /* INFRINGES ON USER NAME SPACE */ | |
ea6046b9 PE |
479 | # ifndef EXIT_SUCCESS |
480 | # define EXIT_SUCCESS 0 | |
fc3f467f | 481 | # endif |
0925ebb4 | 482 | # endif |
bedf57f5 PE |
483 | # ifndef YYMALLOC |
484 | # define YYMALLOC malloc | |
ea6046b9 | 485 | # if ! defined malloc && ! defined EXIT_SUCCESS && ]b4_c_modern[ |
bedf57f5 PE |
486 | void *malloc (YYSIZE_T); /* INFRINGES ON USER NAME SPACE */ |
487 | # endif | |
488 | # endif | |
489 | # ifndef YYFREE | |
490 | # define YYFREE free | |
ea6046b9 | 491 | # if ! defined free && ! defined EXIT_SUCCESS && ]b4_c_modern[ |
bedf57f5 PE |
492 | void free (void *); /* INFRINGES ON USER NAME SPACE */ |
493 | # endif | |
494 | # endif | |
723fe7d1 JD |
495 | # endif]b4_lac_if([[ |
496 | # define YYCOPY_NEEDED 1]])[ | |
497 | #endif]b4_lac_if([], [[ /* ! defined yyoverflow || YYERROR_VERBOSE */]])[ | |
cf44a9ae PE |
498 | |
499 | ||
02650b7f PE |
500 | #if (! defined yyoverflow \ |
501 | && (! defined __cplusplus \ | |
9104636b AD |
502 | || (]b4_locations_if([[defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL \ |
503 | && ]])[defined ]b4_api_PREFIX[STYPE_IS_TRIVIAL && ]b4_api_PREFIX[STYPE_IS_TRIVIAL))) | |
7093d0f5 | 504 | |
600f9b0c PE |
505 | /* A type that is properly aligned for any stack member. */ |
506 | union yyalloc | |
507 | { | |
9ca7f077 JD |
508 | yytype_int16 yyss_alloc; |
509 | YYSTYPE yyvs_alloc;]b4_locations_if([ | |
510 | YYLTYPE yyls_alloc;])[ | |
511 | }; | |
600f9b0c PE |
512 | |
513 | /* The size of the maximum gap between one aligned stack and the next. */ | |
17836590 | 514 | # define YYSTACK_GAP_MAXIMUM (sizeof (union yyalloc) - 1) |
600f9b0c PE |
515 | |
516 | /* The size of an array large to enough to hold all stacks, each with | |
517 | N elements. */ | |
327afc7c | 518 | ]b4_locations_if( |
58612f1d | 519 | [# define YYSTACK_BYTES(N) \ |
d42cf844 | 520 | ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE) + sizeof (YYLTYPE)) \ |
17836590 | 521 | + 2 * YYSTACK_GAP_MAXIMUM)], |
58612f1d | 522 | [# define YYSTACK_BYTES(N) \ |
d42cf844 | 523 | ((N) * (sizeof (yytype_int16) + sizeof (YYSTYPE)) \ |
17836590 | 524 | + YYSTACK_GAP_MAXIMUM)])[ |
600f9b0c | 525 | |
723fe7d1 | 526 | # define YYCOPY_NEEDED 1 |
5b041382 PE |
527 | |
528 | /* Relocate STACK from its old location to the new one. The | |
7093d0f5 | 529 | local variables YYSIZE and YYSTACKSIZE give the old and new number of |
600f9b0c PE |
530 | elements in the stack, and YYPTR gives the new location of the |
531 | stack. Advance YYPTR to a properly aligned location for the next | |
532 | stack. */ | |
9ca7f077 | 533 | # define YYSTACK_RELOCATE(Stack_alloc, Stack) \ |
7093d0f5 AD |
534 | do \ |
535 | { \ | |
536 | YYSIZE_T yynewbytes; \ | |
9ca7f077 JD |
537 | YYCOPY (&yyptr->Stack_alloc, Stack, yysize); \ |
538 | Stack = &yyptr->Stack_alloc; \ | |
17836590 | 539 | yynewbytes = yystacksize * sizeof (*Stack) + YYSTACK_GAP_MAXIMUM; \ |
2729e106 | 540 | yyptr += yynewbytes / sizeof (*yyptr); \ |
7093d0f5 | 541 | } \ |
12ce2df6 | 542 | while (YYID (0)) |
7093d0f5 | 543 | |
cf44a9ae | 544 | #endif |
8850be4b | 545 | |
723fe7d1 | 546 | #if defined YYCOPY_NEEDED && YYCOPY_NEEDED |
14f4455e | 547 | /* Copy COUNT objects from SRC to DST. The source and destination do |
723fe7d1 JD |
548 | not overlap. */ |
549 | # ifndef YYCOPY | |
550 | # if defined __GNUC__ && 1 < __GNUC__ | |
14f4455e AD |
551 | # define YYCOPY(Dst, Src, Count) \ |
552 | __builtin_memcpy (Dst, Src, (Count) * sizeof (*(Src))) | |
723fe7d1 | 553 | # else |
14f4455e AD |
554 | # define YYCOPY(Dst, Src, Count) \ |
555 | do \ | |
556 | { \ | |
557 | YYSIZE_T yyi; \ | |
558 | for (yyi = 0; yyi < (Count); yyi++) \ | |
559 | (Dst)[yyi] = (Src)[yyi]; \ | |
560 | } \ | |
723fe7d1 JD |
561 | while (YYID (0)) |
562 | # endif | |
563 | # endif | |
564 | #endif /* !YYCOPY_NEEDED */ | |
565 | ||
9d9b8b70 | 566 | /* YYFINAL -- State number of the termination state. */ |
9c1e26bd | 567 | #define YYFINAL ]b4_final_state_number[ |
39912f52 | 568 | /* YYLAST -- Last index in YYTABLE. */ |
9c1e26bd | 569 | #define YYLAST ]b4_last[ |
7742ddeb | 570 | |
9d9b8b70 | 571 | /* YYNTOKENS -- Number of terminals. */ |
9c1e26bd | 572 | #define YYNTOKENS ]b4_tokens_number[ |
9d9b8b70 | 573 | /* YYNNTS -- Number of nonterminals. */ |
9c1e26bd | 574 | #define YYNNTS ]b4_nterms_number[ |
9d9b8b70 | 575 | /* YYNRULES -- Number of rules. */ |
9c1e26bd | 576 | #define YYNRULES ]b4_rules_number[ |
9d9b8b70 | 577 | /* YYNRULES -- Number of states. */ |
9c1e26bd | 578 | #define YYNSTATES ]b4_states_number[ |
7742ddeb AD |
579 | |
580 | /* YYTRANSLATE(YYLEX) -- Bison symbol number corresponding to YYLEX. */ | |
9c1e26bd AD |
581 | #define YYUNDEFTOK ]b4_undef_token_number[ |
582 | #define YYMAXUTOK ]b4_user_token_number_max[ | |
007a50a4 | 583 | |
04098407 | 584 | #define YYTRANSLATE(YYX) \ |
a20713a4 | 585 | ((unsigned int) (YYX) <= YYMAXUTOK ? yytranslate[YYX] : YYUNDEFTOK) |
a8289c62 | 586 | |
b0400cc6 AD |
587 | /* YYTRANSLATE[YYLEX] -- Bison symbol number corresponding to YYLEX. */ |
588 | static const ]b4_int_type_for([b4_translate])[ yytranslate[] = | |
a8289c62 | 589 | { |
c5e3e510 | 590 | ]b4_translate[ |
a8289c62 RA |
591 | }; |
592 | ||
5f108727 | 593 | #if ]b4_api_PREFIX[DEBUG |
c5e3e510 | 594 | /* YYPRHS[YYN] -- Index of the first RHS symbol of rule number YYN in |
7742ddeb | 595 | YYRHS. */ |
c5e3e510 | 596 | static const ]b4_int_type_for([b4_prhs])[ yyprhs[] = |
a8289c62 | 597 | { |
c5e3e510 | 598 | ]b4_prhs[ |
a8289c62 RA |
599 | }; |
600 | ||
9d9b8b70 | 601 | /* YYRHS -- A `-1'-separated list of the rules' RHS. */ |
c5e3e510 | 602 | static const ]b4_int_type_for([b4_rhs])[ yyrhs[] = |
a8289c62 | 603 | { |
c5e3e510 | 604 | ]b4_rhs[ |
a8289c62 RA |
605 | }; |
606 | ||
c5e3e510 AD |
607 | /* YYRLINE[YYN] -- source line where rule number YYN was defined. */ |
608 | static const ]b4_int_type_for([b4_rline])[ yyrline[] = | |
a8289c62 | 609 | { |
c5e3e510 | 610 | ]b4_rline[ |
a8289c62 RA |
611 | }; |
612 | #endif | |
613 | ||
5f108727 | 614 | #if ]b4_api_PREFIX[DEBUG || YYERROR_VERBOSE || ]b4_token_table_flag[ |
9e0876fb | 615 | /* YYTNAME[SYMBOL-NUM] -- String name of the symbol SYMBOL-NUM. |
9d9b8b70 | 616 | First, the terminals, then, starting at YYNTOKENS, nonterminals. */ |
c5e3e510 | 617 | static const char *const yytname[] = |
a8289c62 | 618 | { |
c5e3e510 | 619 | ]b4_tname[ |
a8289c62 RA |
620 | }; |
621 | #endif | |
622 | ||
c0ad8bf3 | 623 | # ifdef YYPRINT |
c5e3e510 | 624 | /* YYTOKNUM[YYLEX-NUM] -- Internal token number corresponding to |
769b430f | 625 | token YYLEX-NUM. */ |
c5e3e510 | 626 | static const ]b4_int_type_for([b4_toknum])[ yytoknum[] = |
a8289c62 | 627 | { |
c5e3e510 | 628 | ]b4_toknum[ |
a8289c62 | 629 | }; |
c0ad8bf3 | 630 | # endif |
a8289c62 | 631 | |
c5e3e510 AD |
632 | /* YYR1[YYN] -- Symbol number of symbol that rule YYN derives. */ |
633 | static const ]b4_int_type_for([b4_r1])[ yyr1[] = | |
a8289c62 | 634 | { |
c5e3e510 | 635 | ]b4_r1[ |
a8289c62 RA |
636 | }; |
637 | ||
c5e3e510 AD |
638 | /* YYR2[YYN] -- Number of symbols composing right hand side of rule YYN. */ |
639 | static const ]b4_int_type_for([b4_r2])[ yyr2[] = | |
a8289c62 | 640 | { |
c5e3e510 | 641 | ]b4_r2[ |
a8289c62 RA |
642 | }; |
643 | ||
620b5727 JD |
644 | /* YYDEFACT[STATE-NAME] -- Default reduction number in state STATE-NUM. |
645 | Performed when YYTABLE doesn't specify something else to do. Zero | |
5504898e | 646 | means the default is an error. */ |
c5e3e510 | 647 | static const ]b4_int_type_for([b4_defact])[ yydefact[] = |
a8289c62 | 648 | { |
c5e3e510 | 649 | ]b4_defact[ |
a8289c62 RA |
650 | }; |
651 | ||
9d9b8b70 | 652 | /* YYDEFGOTO[NTERM-NUM]. */ |
c5e3e510 | 653 | static const ]b4_int_type_for([b4_defgoto])[ yydefgoto[] = |
a8289c62 | 654 | { |
c5e3e510 | 655 | ]b4_defgoto[ |
a8289c62 RA |
656 | }; |
657 | ||
c5e3e510 | 658 | /* YYPACT[STATE-NUM] -- Index in YYTABLE of the portion describing |
7742ddeb | 659 | STATE-NUM. */ |
c5e3e510 AD |
660 | #define YYPACT_NINF ]b4_pact_ninf[ |
661 | static const ]b4_int_type_for([b4_pact])[ yypact[] = | |
a8289c62 | 662 | { |
c5e3e510 | 663 | ]b4_pact[ |
a8289c62 RA |
664 | }; |
665 | ||
c5e3e510 AD |
666 | /* YYPGOTO[NTERM-NUM]. */ |
667 | static const ]b4_int_type_for([b4_pgoto])[ yypgoto[] = | |
a8289c62 | 668 | { |
c5e3e510 | 669 | ]b4_pgoto[ |
a8289c62 RA |
670 | }; |
671 | ||
c5e3e510 | 672 | /* YYTABLE[YYPACT[STATE-NUM]]. What to do in state STATE-NUM. If |
7742ddeb | 673 | positive, shift that token. If negative, reduce the rule which |
e4bcae3c | 674 | number is the opposite. If YYTABLE_NINF, syntax error. */ |
c5e3e510 AD |
675 | #define YYTABLE_NINF ]b4_table_ninf[ |
676 | static const ]b4_int_type_for([b4_table])[ yytable[] = | |
a8289c62 | 677 | { |
c5e3e510 | 678 | ]b4_table[ |
a8289c62 RA |
679 | }; |
680 | ||
d5eb0826 | 681 | #define yypact_value_is_default(yystate) \ |
77373efa JD |
682 | ]b4_table_value_equals([[pact]], [[yystate]], [b4_pact_ninf])[ |
683 | ||
d5eb0826 | 684 | #define yytable_value_is_error(yytable_value) \ |
e4bcae3c | 685 | ]b4_table_value_equals([[table]], [[yytable_value]], [b4_table_ninf])[ |
77373efa | 686 | |
c5e3e510 | 687 | static const ]b4_int_type_for([b4_check])[ yycheck[] = |
a8289c62 | 688 | { |
c5e3e510 | 689 | ]b4_check[ |
a8289c62 RA |
690 | }; |
691 | ||
c5e3e510 | 692 | /* YYSTOS[STATE-NUM] -- The (internal number of the) accessing |
5504898e | 693 | symbol of state STATE-NUM. */ |
c5e3e510 | 694 | static const ]b4_int_type_for([b4_stos])[ yystos[] = |
5504898e | 695 | { |
c5e3e510 | 696 | ]b4_stos[ |
5504898e | 697 | }; |
7093d0f5 | 698 | |
10fa2066 | 699 | #define yyerrok (yyerrstatus = 0) |
a20713a4 PE |
700 | #define yyclearin (yychar = YYEMPTY) |
701 | #define YYEMPTY (-2) | |
10fa2066 | 702 | #define YYEOF 0 |
a8289c62 | 703 | |
70ddf897 | 704 | #define YYACCEPT goto yyacceptlab |
a8289c62 | 705 | #define YYABORT goto yyabortlab |
a6b89bb2 | 706 | #define YYERROR goto yyerrorlab |
8a3eb3c8 | 707 | |
a8289c62 | 708 | |
71da9eea AD |
709 | /* Like YYERROR except do call yyerror. This remains here temporarily |
710 | to ease the transition to the new meaning of YYERROR, for GCC. | |
41d35e54 JD |
711 | Once GCC version 2 has supplanted version 1, this can go. However, |
712 | YYFAIL appears to be in use. Nevertheless, it is formally deprecated | |
713 | in Bison 2.4.2's NEWS entry, where a plan to phase it out is | |
714 | discussed. */ | |
a8289c62 | 715 | |
10fa2066 | 716 | #define YYFAIL goto yyerrlab |
41d35e54 JD |
717 | #if defined YYFAIL |
718 | /* This is here to suppress warnings from the GCC cpp's | |
719 | -Wunused-macros. Normally we don't worry about that warning, but | |
720 | some users do, and we want to make it easy for users to remove | |
721 | YYFAIL uses, which will produce warnings from Bison 2.5. */ | |
722 | #endif | |
a8289c62 | 723 | |
10fa2066 | 724 | #define YYRECOVERING() (!!yyerrstatus) |
a8289c62 | 725 | |
94556574 AD |
726 | #define YYBACKUP(Token, Value) \ |
727 | do \ | |
728 | if (yychar == YYEMPTY) \ | |
729 | { \ | |
730 | yychar = (Token); \ | |
731 | yylval = (Value); \ | |
732 | YYPOPSTACK (yylen); \ | |
733 | yystate = *yyssp; \]b4_lac_if([[ | |
734 | YY_LAC_DISCARD ("YYBACKUP"); \]])[ | |
735 | goto yybackup; \ | |
736 | } \ | |
737 | else \ | |
738 | { \ | |
30757c8c | 739 | yyerror (]b4_yyerror_args[YY_("syntax error: cannot back up")); \ |
71da9eea AD |
740 | YYERROR; \ |
741 | } \ | |
12ce2df6 | 742 | while (YYID (0)) |
10fa2066 | 743 | |
3fc16193 | 744 | |
10fa2066 RS |
745 | #define YYTERROR 1 |
746 | #define YYERRCODE 256 | |
747 | ||
426903aa | 748 | ]b4_yylloc_default_define[ |
24e0cbd0 | 749 | #define YYRHSLOC(Rhs, K) ((Rhs)[K]) |
426903aa | 750 | ]b4_locations_if([[ |
3bba2dad | 751 | |
b8458aa5 | 752 | |
3fc16193 AD |
753 | /* YY_LOCATION_PRINT -- Print the location on the stream. |
754 | This macro was not mandated originally: define only if we know | |
755 | we won't break user code: when these are the locations we know. */ | |
756 | ||
3fc16193 | 757 | #ifndef YY_LOCATION_PRINT |
9104636b | 758 | # if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL |
b8458aa5 AD |
759 | # define YY_LOCATION_PRINT(File, Loc) \ |
760 | fprintf (File, "%d.%d-%d.%d", \ | |
02650b7f PE |
761 | (Loc).first_line, (Loc).first_column, \ |
762 | (Loc).last_line, (Loc).last_column) | |
0dcca5c2 AD |
763 | # else |
764 | # define YY_LOCATION_PRINT(File, Loc) ((void) 0) | |
b8458aa5 | 765 | # endif |
3bba2dad JD |
766 | #endif]], [[ |
767 | ||
768 | ||
874ac415 | 769 | /* This macro is provided for backward compatibility. */ |
3abcd459 | 770 | |
874ac415 JN |
771 | #ifndef YY_LOCATION_PRINT |
772 | # define YY_LOCATION_PRINT(File, Loc) ((void) 0) | |
3bba2dad JD |
773 | #endif]])[ |
774 | ||
3fc16193 | 775 | |
3abcd459 | 776 | /* YYLEX -- calling `yylex' with the right arguments. */ |
553e2b22 | 777 | |
ae7453f2 | 778 | #ifdef YYLEX_PARAM |
327afc7c | 779 | # define YYLEX yylex (]b4_pure_if([&yylval[]b4_locations_if([, &yylloc]), ])[YYLEX_PARAM) |
74310291 | 780 | #else |
9c1e26bd | 781 | # define YYLEX ]b4_c_function_call([yylex], [int], b4_lex_param)[ |
ae7453f2 | 782 | #endif |
553e2b22 | 783 | |
5a35a6cb | 784 | /* Enable debugging if requested. */ |
5f108727 | 785 | #if ]b4_api_PREFIX[DEBUG |
b7575ffe | 786 | |
2f4f028d | 787 | # ifndef YYFPRINTF |
45119af1 PE |
788 | # include <stdio.h> /* INFRINGES ON USER NAME SPACE */ |
789 | # define YYFPRINTF fprintf | |
b7575ffe PE |
790 | # endif |
791 | ||
5a35a6cb AD |
792 | # define YYDPRINTF(Args) \ |
793 | do { \ | |
17da6427 | 794 | if (yydebug) \ |
b7575ffe | 795 | YYFPRINTF Args; \ |
12ce2df6 | 796 | } while (YYID (0)) |
c5e3e510 | 797 | |
4b367315 AD |
798 | # define YY_SYMBOL_PRINT(Title, Type, Value, Location) \ |
799 | do { \ | |
800 | if (yydebug) \ | |
801 | { \ | |
802 | YYFPRINTF (stderr, "%s ", Title); \ | |
a0af42fc | 803 | yy_symbol_print (stderr, \ |
327afc7c | 804 | Type, Value]b4_locations_if([, Location])[]b4_user_args[); \ |
4b367315 AD |
805 | YYFPRINTF (stderr, "\n"); \ |
806 | } \ | |
12ce2df6 | 807 | } while (YYID (0)) |
9c1e26bd | 808 | |
a0af42fc | 809 | ]b4_yy_symbol_print_generate([b4_c_function_def])[ |
d1ff7a7c | 810 | |
b0937b22 AD |
811 | /*------------------------------------------------------------------. |
812 | | yy_stack_print -- Print the state stack from its BOTTOM up to its | | |
5348bfbe | 813 | | TOP (included). | |
b0937b22 AD |
814 | `------------------------------------------------------------------*/ |
815 | ||
816 | ]b4_c_function_def([yy_stack_print], [static void], | |
cd9e1ba2 PE |
817 | [[yytype_int16 *yybottom], [yybottom]], |
818 | [[yytype_int16 *yytop], [yytop]])[ | |
b0937b22 | 819 | { |
2f4f028d | 820 | YYFPRINTF (stderr, "Stack now"); |
cd9e1ba2 PE |
821 | for (; yybottom <= yytop; yybottom++) |
822 | { | |
823 | int yybot = *yybottom; | |
824 | YYFPRINTF (stderr, " %d", yybot); | |
825 | } | |
2f4f028d | 826 | YYFPRINTF (stderr, "\n"); |
b0937b22 AD |
827 | } |
828 | ||
829 | # define YY_STACK_PRINT(Bottom, Top) \ | |
830 | do { \ | |
831 | if (yydebug) \ | |
832 | yy_stack_print ((Bottom), (Top)); \ | |
12ce2df6 | 833 | } while (YYID (0)) |
b0937b22 AD |
834 | |
835 | ||
836 | /*------------------------------------------------. | |
837 | | Report that the YYRULE is going to be reduced. | | |
838 | `------------------------------------------------*/ | |
839 | ||
840 | ]b4_c_function_def([yy_reduce_print], [static void], | |
02650b7f | 841 | [[YYSTYPE *yyvsp], [yyvsp]], |
aefef0d6 PE |
842 | b4_locations_if([[[YYLTYPE *yylsp], [yylsp]], |
843 | ])[[int yyrule], [yyrule]]m4_ifset([b4_parse_param], [, | |
9ca7f077 | 844 | b4_parse_param]))[ |
b0937b22 | 845 | { |
d1ff7a7c | 846 | int yynrhs = yyr2[yyrule]; |
b0937b22 | 847 | int yyi; |
30757c8c | 848 | unsigned long int yylno = yyrline[yyrule]; |
d1ff7a7c | 849 | YYFPRINTF (stderr, "Reducing stack by rule %d (line %lu):\n", |
02650b7f | 850 | yyrule - 1, yylno); |
d1ff7a7c AD |
851 | /* The symbols being reduced. */ |
852 | for (yyi = 0; yyi < yynrhs; yyi++) | |
853 | { | |
f57a7536 | 854 | YYFPRINTF (stderr, " $%d = ", yyi + 1); |
a0af42fc | 855 | yy_symbol_print (stderr, yyrhs[yyprhs[yyrule] + yyi], |
02650b7f | 856 | &]b4_rhs_value(yynrhs, yyi + 1)[ |
327afc7c | 857 | ]b4_locations_if([, &]b4_rhs_location(yynrhs, yyi + 1))[]dnl |
02650b7f | 858 | b4_user_args[); |
f57a7536 | 859 | YYFPRINTF (stderr, "\n"); |
d1ff7a7c | 860 | } |
b0937b22 AD |
861 | } |
862 | ||
d9963c85 PE |
863 | # define YY_REDUCE_PRINT(Rule) \ |
864 | do { \ | |
865 | if (yydebug) \ | |
327afc7c | 866 | yy_reduce_print (yyvsp, ]b4_locations_if([yylsp, ])[Rule]b4_user_args[); \ |
12ce2df6 | 867 | } while (YYID (0)) |
b0937b22 | 868 | |
cf44a9ae PE |
869 | /* Nonzero means print parse trace. It is left uninitialized so that |
870 | multiple parsers can coexist. */ | |
17da6427 | 871 | int yydebug; |
5f108727 | 872 | #else /* !]b4_api_PREFIX[DEBUG */ |
5a35a6cb | 873 | # define YYDPRINTF(Args) |
284acc8b | 874 | # define YY_SYMBOL_PRINT(Title, Type, Value, Location) |
b0937b22 | 875 | # define YY_STACK_PRINT(Bottom, Top) |
d9963c85 | 876 | # define YY_REDUCE_PRINT(Rule) |
5f108727 | 877 | #endif /* !]b4_api_PREFIX[DEBUG */ |
5a35a6cb | 878 | |
b0937b22 | 879 | |
5a35a6cb | 880 | /* YYINITDEPTH -- initial size of the parser's stacks. */ |
10fa2066 | 881 | #ifndef YYINITDEPTH |
9c1e26bd | 882 | # define YYINITDEPTH ]b4_stack_depth_init[ |
10fa2066 RS |
883 | #endif |
884 | ||
5a35a6cb | 885 | /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only |
600f9b0c PE |
886 | if the built-in stack extension method is used). |
887 | ||
888 | Do not make this value too large; the results are undefined if | |
506ffb1f | 889 | YYSTACK_ALLOC_MAXIMUM < YYSTACK_BYTES (YYMAXDEPTH) |
600f9b0c PE |
890 | evaluated with infinite-precision integer arithmetic. */ |
891 | ||
10fa2066 | 892 | #ifndef YYMAXDEPTH |
9c1e26bd | 893 | # define YYMAXDEPTH ]b4_stack_depth_max[ |
ea13bea8 JD |
894 | #endif]b4_lac_if([[ |
895 | ||
723fe7d1 JD |
896 | /* Given a state stack such that *YYBOTTOM is its bottom, such that |
897 | *YYTOP is either its top or is YYTOP_EMPTY to indicate an empty | |
898 | stack, and such that *YYCAPACITY is the maximum number of elements it | |
899 | can hold without a reallocation, make sure there is enough room to | |
900 | store YYADD more elements. If not, allocate a new stack using | |
901 | YYSTACK_ALLOC, copy the existing elements, and adjust *YYBOTTOM, | |
902 | *YYTOP, and *YYCAPACITY to reflect the new capacity and memory | |
903 | location. If *YYBOTTOM != YYBOTTOM_NO_FREE, then free the old stack | |
904 | using YYSTACK_FREE. Return 0 if successful or if no reallocation is | |
905 | required. Return 1 if memory is exhausted. */ | |
906 | static int | |
907 | yy_lac_stack_realloc (YYSIZE_T *yycapacity, YYSIZE_T yyadd, | |
5f108727 | 908 | #if ]b4_api_PREFIX[DEBUG |
723fe7d1 JD |
909 | char const *yydebug_prefix, |
910 | char const *yydebug_suffix, | |
911 | #endif | |
912 | yytype_int16 **yybottom, | |
913 | yytype_int16 *yybottom_no_free, | |
914 | yytype_int16 **yytop, yytype_int16 *yytop_empty) | |
915 | { | |
916 | YYSIZE_T yysize_old = | |
917 | *yytop == yytop_empty ? 0 : *yytop - *yybottom + 1; | |
918 | YYSIZE_T yysize_new = yysize_old + yyadd; | |
919 | if (*yycapacity < yysize_new) | |
920 | { | |
921 | YYSIZE_T yyalloc = 2 * yysize_new; | |
922 | yytype_int16 *yybottom_new; | |
923 | /* Use YYMAXDEPTH for maximum stack size given that the stack | |
924 | should never need to grow larger than the main state stack | |
925 | needs to grow without LAC. */ | |
926 | if (YYMAXDEPTH < yysize_new) | |
927 | { | |
928 | YYDPRINTF ((stderr, "%smax size exceeded%s", yydebug_prefix, | |
929 | yydebug_suffix)); | |
930 | return 1; | |
931 | } | |
932 | if (YYMAXDEPTH < yyalloc) | |
933 | yyalloc = YYMAXDEPTH; | |
934 | yybottom_new = | |
935 | (yytype_int16*) YYSTACK_ALLOC (yyalloc * sizeof *yybottom_new); | |
936 | if (!yybottom_new) | |
937 | { | |
938 | YYDPRINTF ((stderr, "%srealloc failed%s", yydebug_prefix, | |
939 | yydebug_suffix)); | |
940 | return 1; | |
941 | } | |
942 | if (*yytop != yytop_empty) | |
943 | { | |
944 | YYCOPY (yybottom_new, *yybottom, yysize_old); | |
945 | *yytop = yybottom_new + (yysize_old - 1); | |
946 | } | |
947 | if (*yybottom != yybottom_no_free) | |
948 | YYSTACK_FREE (*yybottom); | |
949 | *yybottom = yybottom_new; | |
950 | *yycapacity = yyalloc;]m4_if(b4_percent_define_get([[parse.lac.memory-trace]]), | |
951 | [full], [[ | |
952 | YYDPRINTF ((stderr, "%srealloc to %lu%s", yydebug_prefix, | |
953 | (unsigned long int) yyalloc, yydebug_suffix));]])[ | |
954 | } | |
955 | return 0; | |
956 | } | |
957 | ||
ea13bea8 JD |
958 | /* Establish the initial context for the current lookahead if no initial |
959 | context is currently established. | |
960 | ||
961 | We define a context as a snapshot of the parser stacks. We define | |
962 | the initial context for a lookahead as the context in which the | |
963 | parser initially examines that lookahead in order to select a | |
964 | syntactic action. Thus, if the lookahead eventually proves | |
965 | syntactically unacceptable (possibly in a later context reached via a | |
966 | series of reductions), the initial context can be used to determine | |
967 | the exact set of tokens that would be syntactically acceptable in the | |
968 | lookahead's place. Moreover, it is the context after which any | |
969 | further semantic actions would be erroneous because they would be | |
970 | determined by a syntactically unacceptable token. | |
971 | ||
972 | YY_LAC_ESTABLISH should be invoked when a reduction is about to be | |
973 | performed in an inconsistent state (which, for the purposes of LAC, | |
974 | includes consistent states that don't know they're consistent because | |
975 | their default reductions have been disabled). Iff there is a | |
976 | lookahead token, it should also be invoked before reporting a syntax | |
977 | error. This latter case is for the sake of the debugging output. | |
978 | ||
979 | For parse.lac=full, the implementation of YY_LAC_ESTABLISH is as | |
980 | follows. If no initial context is currently established for the | |
981 | current lookahead, then check if that lookahead can eventually be | |
982 | shifted if syntactic actions continue from the current context. | |
983 | Report a syntax error if it cannot. */ | |
723fe7d1 JD |
984 | #define YY_LAC_ESTABLISH \ |
985 | do { \ | |
986 | if (!yy_lac_established) \ | |
987 | { \ | |
988 | YYDPRINTF ((stderr, \ | |
989 | "LAC: initial context established for %s\n", \ | |
990 | yytname[yytoken])); \ | |
991 | yy_lac_established = 1; \ | |
992 | { \ | |
993 | int yy_lac_status = \ | |
994 | yy_lac (yyesa, &yyes, &yyes_capacity, yyssp, yytoken); \ | |
995 | if (yy_lac_status == 2) \ | |
996 | goto yyexhaustedlab; \ | |
997 | if (yy_lac_status == 1) \ | |
998 | goto yyerrlab; \ | |
999 | } \ | |
1000 | } \ | |
ea13bea8 JD |
1001 | } while (YYID (0)) |
1002 | ||
1003 | /* Discard any previous initial lookahead context because of Event, | |
1004 | which may be a lookahead change or an invalidation of the currently | |
1005 | established initial context for the current lookahead. | |
1006 | ||
1007 | The most common example of a lookahead change is a shift. An example | |
1008 | of both cases is syntax error recovery. That is, a syntax error | |
1009 | occurs when the lookahead is syntactically erroneous for the | |
1010 | currently established initial context, so error recovery manipulates | |
1011 | the parser stacks to try to find a new initial context in which the | |
1012 | current lookahead is syntactically acceptable. If it fails to find | |
1013 | such a context, it discards the lookahead. */ | |
5f108727 | 1014 | #if ]b4_api_PREFIX[DEBUG |
ea13bea8 JD |
1015 | # define YY_LAC_DISCARD(Event) \ |
1016 | do { \ | |
1017 | if (yy_lac_established) \ | |
1018 | { \ | |
1019 | if (yydebug) \ | |
1020 | YYFPRINTF (stderr, "LAC: initial context discarded due to " \ | |
1021 | Event "\n"); \ | |
1022 | yy_lac_established = 0; \ | |
1023 | } \ | |
1024 | } while (YYID (0)) | |
1025 | #else | |
1026 | # define YY_LAC_DISCARD(Event) yy_lac_established = 0 | |
10fa2066 | 1027 | #endif |
a8289c62 | 1028 | |
ea13bea8 | 1029 | /* Given the stack whose top is *YYSSP, return 0 iff YYTOKEN can |
723fe7d1 JD |
1030 | eventually (after perhaps some reductions) be shifted, return 1 if |
1031 | not, or return 2 if memory is exhausted. As preconditions and | |
1032 | postconditions: *YYES_CAPACITY is the allocated size of the array to | |
1033 | which *YYES points, and either *YYES = YYESA or *YYES points to an | |
1034 | array allocated with YYSTACK_ALLOC. yy_lac may overwrite the | |
1035 | contents of either array, alter *YYES and *YYES_CAPACITY, and free | |
1036 | any old *YYES other than YYESA. */ | |
ea13bea8 | 1037 | static int |
723fe7d1 JD |
1038 | yy_lac (yytype_int16 *yyesa, yytype_int16 **yyes, |
1039 | YYSIZE_T *yyes_capacity, yytype_int16 *yyssp, int yytoken) | |
ea13bea8 JD |
1040 | { |
1041 | yytype_int16 *yyes_prev = yyssp; | |
ea13bea8 JD |
1042 | yytype_int16 *yyesp = yyes_prev; |
1043 | YYDPRINTF ((stderr, "LAC: checking lookahead %s:", yytname[yytoken])); | |
1044 | if (yytoken == YYUNDEFTOK) | |
1045 | { | |
1046 | YYDPRINTF ((stderr, " Always Err\n")); | |
1047 | return 1; | |
1048 | } | |
1049 | while (1) | |
1050 | { | |
1051 | int yyrule = yypact[*yyesp]; | |
1052 | if (yypact_value_is_default (yyrule) | |
1053 | || (yyrule += yytoken) < 0 || YYLAST < yyrule | |
1054 | || yycheck[yyrule] != yytoken) | |
1055 | { | |
1056 | yyrule = yydefact[*yyesp]; | |
1057 | if (yyrule == 0) | |
1058 | { | |
1059 | YYDPRINTF ((stderr, " Err\n")); | |
1060 | return 1; | |
1061 | } | |
1062 | } | |
1063 | else | |
1064 | { | |
1065 | yyrule = yytable[yyrule]; | |
1066 | if (yytable_value_is_error (yyrule)) | |
1067 | { | |
1068 | YYDPRINTF ((stderr, " Err\n")); | |
1069 | return 1; | |
1070 | } | |
1071 | if (0 < yyrule) | |
1072 | { | |
1073 | YYDPRINTF ((stderr, " S%d\n", yyrule)); | |
1074 | return 0; | |
1075 | } | |
1076 | yyrule = -yyrule; | |
1077 | } | |
1078 | { | |
1079 | YYSIZE_T yylen = yyr2[yyrule]; | |
1080 | YYDPRINTF ((stderr, " R%d", yyrule - 1)); | |
1081 | if (yyesp != yyes_prev) | |
1082 | { | |
723fe7d1 | 1083 | YYSIZE_T yysize = yyesp - *yyes + 1; |
ea13bea8 JD |
1084 | if (yylen < yysize) |
1085 | { | |
1086 | yyesp -= yylen; | |
1087 | yylen = 0; | |
1088 | } | |
1089 | else | |
1090 | { | |
1091 | yylen -= yysize; | |
1092 | yyesp = yyes_prev; | |
1093 | } | |
1094 | } | |
1095 | if (yylen) | |
1096 | yyesp = yyes_prev -= yylen; | |
1097 | } | |
1098 | { | |
1099 | int yystate; | |
1100 | { | |
1101 | int yylhs = yyr1[yyrule] - YYNTOKENS; | |
1102 | yystate = yypgoto[yylhs] + *yyesp; | |
1103 | if (yystate < 0 || YYLAST < yystate | |
1104 | || yycheck[yystate] != *yyesp) | |
1105 | yystate = yydefgoto[yylhs]; | |
1106 | else | |
1107 | yystate = yytable[yystate]; | |
1108 | } | |
1109 | if (yyesp == yyes_prev) | |
1110 | { | |
723fe7d1 | 1111 | yyesp = *yyes; |
ea13bea8 JD |
1112 | *yyesp = yystate; |
1113 | } | |
1114 | else | |
1115 | { | |
723fe7d1 | 1116 | if (yy_lac_stack_realloc (yyes_capacity, 1, |
5f108727 | 1117 | #if ]b4_api_PREFIX[DEBUG |
723fe7d1 JD |
1118 | " (", ")", |
1119 | #endif | |
1120 | yyes, yyesa, &yyesp, yyes_prev)) | |
ea13bea8 | 1121 | { |
723fe7d1 | 1122 | YYDPRINTF ((stderr, "\n")); |
ea13bea8 JD |
1123 | return 2; |
1124 | } | |
1125 | *++yyesp = yystate; | |
1126 | } | |
7e5ef706 | 1127 | YYDPRINTF ((stderr, " G%d", yystate)); |
ea13bea8 JD |
1128 | } |
1129 | } | |
1130 | }]])[ | |
1131 | ||
a8289c62 | 1132 | |
7093d0f5 AD |
1133 | #if YYERROR_VERBOSE |
1134 | ||
1135 | # ifndef yystrlen | |
02650b7f | 1136 | # if defined __GLIBC__ && defined _STRING_H |
7093d0f5 AD |
1137 | # define yystrlen strlen |
1138 | # else | |
1139 | /* Return the length of YYSTR. */ | |
1b9c21fb PE |
1140 | ]b4_c_function_def([yystrlen], [static YYSIZE_T], |
1141 | [[const char *yystr], [yystr]])[ | |
7093d0f5 | 1142 | { |
12ce2df6 PE |
1143 | YYSIZE_T yylen; |
1144 | for (yylen = 0; yystr[yylen]; yylen++) | |
7093d0f5 | 1145 | continue; |
12ce2df6 | 1146 | return yylen; |
7093d0f5 AD |
1147 | } |
1148 | # endif | |
1149 | # endif | |
1150 | ||
1151 | # ifndef yystpcpy | |
02650b7f | 1152 | # if defined __GLIBC__ && defined _STRING_H && defined _GNU_SOURCE |
7093d0f5 AD |
1153 | # define yystpcpy stpcpy |
1154 | # else | |
1155 | /* Copy YYSRC to YYDEST, returning the address of the terminating '\0' in | |
1156 | YYDEST. */ | |
1b9c21fb PE |
1157 | ]b4_c_function_def([yystpcpy], [static char *], |
1158 | [[char *yydest], [yydest]], [[const char *yysrc], [yysrc]])[ | |
7093d0f5 | 1159 | { |
cb530ce9 PE |
1160 | char *yyd = yydest; |
1161 | const char *yys = yysrc; | |
7093d0f5 AD |
1162 | |
1163 | while ((*yyd++ = *yys++) != '\0') | |
1164 | continue; | |
1165 | ||
1166 | return yyd - 1; | |
1167 | } | |
1168 | # endif | |
1169 | # endif | |
1170 | ||
9e0876fb PE |
1171 | # ifndef yytnamerr |
1172 | /* Copy to YYRES the contents of YYSTR after stripping away unnecessary | |
1173 | quotes and backslashes, so that it's suitable for yyerror. The | |
1174 | heuristic is that double-quoting is unnecessary unless the string | |
1175 | contains an apostrophe, a comma, or backslash (other than | |
1176 | backslash-backslash). YYSTR is taken from yytname. If YYRES is | |
1177 | null, do not copy; instead, return the length of what the result | |
1178 | would have been. */ | |
1179 | static YYSIZE_T | |
1180 | yytnamerr (char *yyres, const char *yystr) | |
1181 | { | |
1182 | if (*yystr == '"') | |
1183 | { | |
276f48df | 1184 | YYSIZE_T yyn = 0; |
9e0876fb PE |
1185 | char const *yyp = yystr; |
1186 | ||
1187 | for (;;) | |
1188 | switch (*++yyp) | |
1189 | { | |
1190 | case '\'': | |
1191 | case ',': | |
1192 | goto do_not_strip_quotes; | |
1193 | ||
1194 | case '\\': | |
1195 | if (*++yyp != '\\') | |
1196 | goto do_not_strip_quotes; | |
1197 | /* Fall through. */ | |
1198 | default: | |
1199 | if (yyres) | |
1200 | yyres[yyn] = *yyp; | |
1201 | yyn++; | |
1202 | break; | |
1203 | ||
1204 | case '"': | |
1205 | if (yyres) | |
1206 | yyres[yyn] = '\0'; | |
1207 | return yyn; | |
1208 | } | |
1209 | do_not_strip_quotes: ; | |
1210 | } | |
1211 | ||
1212 | if (! yyres) | |
1213 | return yystrlen (yystr); | |
1214 | ||
1215 | return yystpcpy (yyres, yystr) - yyres; | |
1216 | } | |
1217 | # endif | |
1218 | ||
69a2ab11 | 1219 | /* Copy into *YYMSG, which is of size *YYMSG_ALLOC, an error message |
ea13bea8 JD |
1220 | about the unexpected token YYTOKEN for the state stack whose top is |
1221 | YYSSP.]b4_lac_if([[ In order to see if a particular token T is a | |
723fe7d1 | 1222 | valid looakhead, invoke yy_lac (YYESA, YYES, YYES_CAPACITY, YYSSP, T).]])[ |
69a2ab11 | 1223 | |
095a1d11 JD |
1224 | Return 0 if *YYMSG was successfully written. Return 1 if *YYMSG is |
1225 | not large enough to hold the message. In that case, also set | |
1226 | *YYMSG_ALLOC to the required number of bytes. Return 2 if the | |
ea13bea8 JD |
1227 | required number of bytes is too large to store]b4_lac_if([[ or if |
1228 | yy_lac returned 2]])[. */ | |
69a2ab11 JD |
1229 | static int |
1230 | yysyntax_error (YYSIZE_T *yymsg_alloc, char **yymsg, | |
723fe7d1 JD |
1231 | ]b4_lac_if([[yytype_int16 *yyesa, yytype_int16 **yyes, |
1232 | YYSIZE_T *yyes_capacity, ]])[yytype_int16 *yyssp, int yytoken) | |
f953cb20 | 1233 | { |
6557bcce | 1234 | YYSIZE_T yysize0 = yytnamerr (YY_NULL, yytname[yytoken]); |
f953cb20 JD |
1235 | YYSIZE_T yysize = yysize0; |
1236 | YYSIZE_T yysize1; | |
1237 | enum { YYERROR_VERBOSE_ARGS_MAXIMUM = 5 }; | |
1238 | /* Internationalized format string. */ | |
6557bcce | 1239 | const char *yyformat = YY_NULL; |
f953cb20 JD |
1240 | /* Arguments of yyformat. */ |
1241 | char const *yyarg[YYERROR_VERBOSE_ARGS_MAXIMUM]; | |
095a1d11 JD |
1242 | /* Number of reported tokens (one for the "unexpected", one per |
1243 | "expected"). */ | |
1244 | int yycount = 0; | |
f953cb20 | 1245 | |
095a1d11 JD |
1246 | /* There are many possibilities here to consider: |
1247 | - Assume YYFAIL is not used. It's too flawed to consider. See | |
1248 | <http://lists.gnu.org/archive/html/bison-patches/2009-12/msg00024.html> | |
1249 | for details. YYERROR is fine as it does not invoke this | |
1250 | function. | |
1251 | - If this state is a consistent state with a default action, then | |
1252 | the only way this function was invoked is if the default action | |
1253 | is an error action. In that case, don't check for expected | |
1254 | tokens because there are none. | |
1255 | - The only way there can be no lookahead present (in yychar) is if | |
1256 | this state is a consistent state with a default action. Thus, | |
1257 | detecting the absence of a lookahead is sufficient to determine | |
1258 | that there is no unexpected or expected token to report. In that | |
1259 | case, just report a simple "syntax error". | |
1260 | - Don't assume there isn't a lookahead just because this state is a | |
1261 | consistent state with a default action. There might have been a | |
1262 | previous inconsistent state, consistent state with a non-default | |
ea13bea8 JD |
1263 | action, or user semantic action that manipulated yychar.]b4_lac_if([[ |
1264 | In the first two cases, it might appear that the current syntax | |
1265 | error should have been detected in the previous state when yy_lac | |
1266 | was invoked. However, at that time, there might have been a | |
1267 | different syntax error that discarded a different initial context | |
1268 | during error recovery, leaving behind the current lookahead.]], [[ | |
095a1d11 JD |
1269 | - Of course, the expected token list depends on states to have |
1270 | correct lookahead information, and it depends on the parser not | |
1271 | to perform extra reductions after fetching a lookahead from the | |
1272 | scanner and before detecting a syntax error. Thus, state merging | |
1273 | (from LALR or IELR) and default reductions corrupt the expected | |
1274 | token list. However, the list is correct for canonical LR with | |
1275 | one exception: it will still contain any token that will not be | |
ea13bea8 | 1276 | accepted due to an error action in a later state.]])[ |
095a1d11 JD |
1277 | */ |
1278 | if (yytoken != YYEMPTY) | |
1279 | { | |
ea13bea8 JD |
1280 | int yyn = yypact[*yyssp];]b4_lac_if([[ |
1281 | YYDPRINTF ((stderr, "Constructing syntax error message\n"));]])[ | |
095a1d11 JD |
1282 | yyarg[yycount++] = yytname[yytoken]; |
1283 | if (!yypact_value_is_default (yyn)) | |
ea13bea8 | 1284 | {]b4_lac_if([], [[ |
f953cb20 JD |
1285 | /* Start YYX at -YYN if negative to avoid negative indexes in |
1286 | YYCHECK. In other words, skip the first -YYN actions for | |
1287 | this state because they are default actions. */ | |
1288 | int yyxbegin = yyn < 0 ? -yyn : 0; | |
f953cb20 JD |
1289 | /* Stay within bounds of both yycheck and yytname. */ |
1290 | int yychecklim = YYLAST - yyn + 1; | |
ea13bea8 JD |
1291 | int yyxend = yychecklim < YYNTOKENS ? yychecklim : YYNTOKENS;]])[ |
1292 | int yyx;]b4_lac_if([[ | |
1293 | ||
1294 | for (yyx = 0; yyx < YYNTOKENS; ++yyx) | |
1295 | if (yyx != YYTERROR && yyx != YYUNDEFTOK) | |
1296 | { | |
1297 | { | |
723fe7d1 JD |
1298 | int yy_lac_status = yy_lac (yyesa, yyes, yyes_capacity, |
1299 | yyssp, yyx); | |
ea13bea8 JD |
1300 | if (yy_lac_status == 2) |
1301 | return 2; | |
1302 | if (yy_lac_status == 1) | |
1303 | continue; | |
1304 | }]], [[ | |
1305 | ||
f953cb20 JD |
1306 | for (yyx = yyxbegin; yyx < yyxend; ++yyx) |
1307 | if (yycheck[yyx + yyn] == yyx && yyx != YYTERROR | |
1308 | && !yytable_value_is_error (yytable[yyx + yyn])) | |
ea13bea8 | 1309 | {]])[ |
f953cb20 JD |
1310 | if (yycount == YYERROR_VERBOSE_ARGS_MAXIMUM) |
1311 | { | |
1312 | yycount = 1; | |
1313 | yysize = yysize0; | |
1314 | break; | |
1315 | } | |
1316 | yyarg[yycount++] = yytname[yyx]; | |
6557bcce | 1317 | yysize1 = yysize + yytnamerr (YY_NULL, yytname[yyx]); |
095a1d11 JD |
1318 | if (! (yysize <= yysize1 |
1319 | && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) | |
1320 | return 2; | |
f953cb20 JD |
1321 | yysize = yysize1; |
1322 | } | |
ea13bea8 | 1323 | }]b4_lac_if([[ |
5f108727 | 1324 | # if ]b4_api_PREFIX[DEBUG |
ea13bea8 JD |
1325 | else if (yydebug) |
1326 | YYFPRINTF (stderr, "No expected tokens.\n"); | |
1327 | # endif]])[ | |
095a1d11 | 1328 | } |
f953cb20 JD |
1329 | |
1330 | switch (yycount) | |
b4c1f9d2 | 1331 | { |
ea13bea8 | 1332 | # define YYCASE_(N, S) \ |
f953cb20 JD |
1333 | case N: \ |
1334 | yyformat = S; \ | |
1335 | break | |
095a1d11 | 1336 | YYCASE_(0, YY_("syntax error")); |
f953cb20 JD |
1337 | YYCASE_(1, YY_("syntax error, unexpected %s")); |
1338 | YYCASE_(2, YY_("syntax error, unexpected %s, expecting %s")); | |
1339 | YYCASE_(3, YY_("syntax error, unexpected %s, expecting %s or %s")); | |
1340 | YYCASE_(4, YY_("syntax error, unexpected %s, expecting %s or %s or %s")); | |
1341 | YYCASE_(5, YY_("syntax error, unexpected %s, expecting %s or %s or %s or %s")); | |
ea13bea8 | 1342 | # undef YYCASE_ |
f953cb20 | 1343 | } |
d3d3628b | 1344 | |
f953cb20 JD |
1345 | yysize1 = yysize + yystrlen (yyformat); |
1346 | if (! (yysize <= yysize1 && yysize1 <= YYSTACK_ALLOC_MAXIMUM)) | |
095a1d11 | 1347 | return 2; |
f953cb20 JD |
1348 | yysize = yysize1; |
1349 | ||
1350 | if (*yymsg_alloc < yysize) | |
1351 | { | |
1352 | *yymsg_alloc = 2 * yysize; | |
1353 | if (! (yysize <= *yymsg_alloc | |
1354 | && *yymsg_alloc <= YYSTACK_ALLOC_MAXIMUM)) | |
1355 | *yymsg_alloc = YYSTACK_ALLOC_MAXIMUM; | |
095a1d11 | 1356 | return 1; |
f953cb20 JD |
1357 | } |
1358 | ||
1359 | /* Avoid sprintf, as that infringes on the user's name space. | |
1360 | Don't have undefined behavior even if the translation | |
1361 | produced a string with the wrong number of "%s"s. */ | |
1362 | { | |
1363 | char *yyp = *yymsg; | |
1364 | int yyi = 0; | |
1365 | while ((*yyp = *yyformat) != '\0') | |
1366 | if (*yyp == '%' && yyformat[1] == 's' && yyi < yycount) | |
69a2ab11 | 1367 | { |
f953cb20 JD |
1368 | yyp += yytnamerr (yyp, yyarg[yyi++]); |
1369 | yyformat += 2; | |
69a2ab11 | 1370 | } |
f953cb20 | 1371 | else |
69a2ab11 | 1372 | { |
f953cb20 JD |
1373 | yyp++; |
1374 | yyformat++; | |
69a2ab11 | 1375 | } |
f953cb20 JD |
1376 | } |
1377 | return 0; | |
1378 | } | |
b4c1f9d2 | 1379 | #endif /* YYERROR_VERBOSE */ |
a8289c62 | 1380 | |
c3e9f08f | 1381 | ]b4_yydestruct_generate([b4_c_function_def])[ |
4a2a22f4 | 1382 | |
c3e9f08f | 1383 | ]b4_pure_if([], [ |
9ca7f077 | 1384 | |
93d0103d | 1385 | b4_declare_scanner_communication_variables])[]b4_push_if([[ |
9ca7f077 | 1386 | |
93d0103d JD |
1387 | struct yypstate |
1388 | {]b4_declare_parser_state_variables[ | |
9ca7f077 JD |
1389 | /* Used to determine if this is the first time this instance has |
1390 | been used. */ | |
1391 | int yynew; | |
333e670c | 1392 | };]b4_pure_if([], [[ |
a35f64ea | 1393 | |
333e670c JD |
1394 | static char yypstate_allocated = 0;]])b4_pull_if([ |
1395 | ||
1396 | b4_c_function_def([[yyparse]], [[int]], b4_parse_param)[ | |
9ca7f077 | 1397 | { |
6557bcce | 1398 | return yypull_parse (YY_NULL]m4_ifset([b4_parse_param], |
9ca7f077 | 1399 | [[, ]b4_c_args(b4_parse_param)])[); |
333e670c | 1400 | } |
0245f82d | 1401 | |
9ca7f077 JD |
1402 | ]b4_c_function_def([[yypull_parse]], [[int]], |
1403 | [[[yypstate *yyps]], [[yyps]]]m4_ifset([b4_parse_param], [, | |
1404 | b4_parse_param]))[ | |
1405 | { | |
1406 | int yystatus; | |
333e670c JD |
1407 | yypstate *yyps_local;]b4_pure_if([[ |
1408 | int yychar; | |
1409 | YYSTYPE yylval;]b4_locations_if([[ | |
1410 | YYLTYPE yylloc;]])])[ | |
6557bcce AD |
1411 | if (yyps) |
1412 | yyps_local = yyps; | |
1413 | else | |
9ca7f077 JD |
1414 | { |
1415 | yyps_local = yypstate_new (); | |
1416 | if (!yyps_local) | |
1417 | {]b4_pure_if([[ | |
1418 | yyerror (]b4_yyerror_args[YY_("memory exhausted"));]], [[ | |
1419 | if (!yypstate_allocated) | |
1420 | yyerror (]b4_yyerror_args[YY_("memory exhausted"));]])[ | |
1421 | return 2; | |
1422 | } | |
1423 | } | |
9ca7f077 JD |
1424 | do { |
1425 | yychar = YYLEX; | |
1426 | yystatus = | |
1427 | yypush_parse (yyps_local]b4_pure_if([[, yychar, &yylval]b4_locations_if([[, &yylloc]])])m4_ifset([b4_parse_param], [, b4_c_args(b4_parse_param)])[); | |
1428 | } while (yystatus == YYPUSH_MORE); | |
6557bcce | 1429 | if (!yyps) |
9ca7f077 JD |
1430 | yypstate_delete (yyps_local); |
1431 | return yystatus; | |
333e670c JD |
1432 | }]])[ |
1433 | ||
9ca7f077 JD |
1434 | /* Initialize the parser data structure. */ |
1435 | ]b4_c_function_def([[yypstate_new]], [[yypstate *]])[ | |
1436 | { | |
1437 | yypstate *yyps;]b4_pure_if([], [[ | |
1438 | if (yypstate_allocated) | |
6557bcce | 1439 | return YY_NULL;]])[ |
9ca7f077 JD |
1440 | yyps = (yypstate *) malloc (sizeof *yyps); |
1441 | if (!yyps) | |
6557bcce | 1442 | return YY_NULL; |
9ca7f077 JD |
1443 | yyps->yynew = 1;]b4_pure_if([], [[ |
1444 | yypstate_allocated = 1;]])[ | |
1445 | return yyps; | |
1446 | } | |
1447 | ||
1448 | ]b4_c_function_def([[yypstate_delete]], [[void]], | |
1449 | [[[yypstate *yyps]], [[yyps]]])[ | |
1450 | { | |
1451 | #ifndef yyoverflow | |
1452 | /* If the stack was reallocated but the parse did not complete, then the | |
1453 | stack still needs to be freed. */ | |
1454 | if (!yyps->yynew && yyps->yyss != yyps->yyssa) | |
1455 | YYSTACK_FREE (yyps->yyss); | |
723fe7d1 JD |
1456 | #endif]b4_lac_if([[ |
1457 | if (!yyps->yynew && yyps->yyes != yyps->yyesa) | |
1458 | YYSTACK_FREE (yyps->yyes);]])[ | |
9ca7f077 JD |
1459 | free (yyps);]b4_pure_if([], [[ |
1460 | yypstate_allocated = 0;]])[ | |
1461 | } | |
93d0103d JD |
1462 | ]b4_pure_if([[ |
1463 | #define ]b4_prefix[nerrs yyps->]b4_prefix[nerrs]])[ | |
1464 | #define yystate yyps->yystate | |
9ca7f077 JD |
1465 | #define yyerrstatus yyps->yyerrstatus |
1466 | #define yyssa yyps->yyssa | |
1467 | #define yyss yyps->yyss | |
1468 | #define yyssp yyps->yyssp | |
1469 | #define yyvsa yyps->yyvsa | |
1470 | #define yyvs yyps->yyvs | |
93d0103d JD |
1471 | #define yyvsp yyps->yyvsp]b4_locations_if([[ |
1472 | #define yylsa yyps->yylsa | |
9ca7f077 JD |
1473 | #define yyls yyps->yyls |
1474 | #define yylsp yyps->yylsp | |
93d0103d | 1475 | #define yyerror_range yyps->yyerror_range]])[ |
723fe7d1 JD |
1476 | #define yystacksize yyps->yystacksize]b4_lac_if([[ |
1477 | #define yyesa yyps->yyesa | |
1478 | #define yyes yyps->yyes | |
1479 | #define yyes_capacity yyps->yyes_capacity]])[ | |
93d0103d JD |
1480 | |
1481 | ||
1482 | /*---------------. | |
1483 | | yypush_parse. | | |
1484 | `---------------*/ | |
1485 | ||
1486 | ]b4_c_function_def([[yypush_parse]], [[int]], | |
9ca7f077 JD |
1487 | [[[yypstate *yyps]], [[yyps]]]b4_pure_if([, |
1488 | [[[int yypushed_char]], [[yypushed_char]]], | |
1489 | [[[YYSTYPE const *yypushed_val]], [[yypushed_val]]]b4_locations_if([, | |
1490 | [[[YYLTYPE const *yypushed_loc]], [[yypushed_loc]]]])])m4_ifset([b4_parse_param], [, | |
93d0103d JD |
1491 | b4_parse_param]))], [[ |
1492 | ||
1493 | ||
1494 | /*----------. | |
1495 | | yyparse. | | |
1496 | `----------*/ | |
1497 | ||
0245f82d | 1498 | #ifdef YYPARSE_PARAM |
93d0103d JD |
1499 | ]b4_c_function_def([yyparse], [int], |
1500 | [[void *YYPARSE_PARAM], [YYPARSE_PARAM]])[ | |
0245f82d | 1501 | #else /* ! YYPARSE_PARAM */ |
93d0103d JD |
1502 | ]b4_c_function_def([yyparse], [int], b4_parse_param)[ |
1503 | #endif]])[ | |
1504 | {]b4_pure_if([b4_declare_scanner_communication_variables | |
1505 | ])b4_push_if([b4_pure_if([], [[ | |
1506 | int yypushed_char = yychar; | |
1507 | YYSTYPE yypushed_val = yylval;]b4_locations_if([[ | |
1508 | YYLTYPE yypushed_loc = yylloc;]]) | |
1509 | ])], | |
1510 | [b4_declare_parser_state_variables | |
ea13bea8 JD |
1511 | ])b4_lac_if([[ |
1512 | int yy_lac_established = 0;]])[ | |
cb530ce9 | 1513 | int yyn; |
600f9b0c | 1514 | int yyresult; |
742e4900 | 1515 | /* Lookahead token as an internal (translated) token number. */ |
9ca7f077 JD |
1516 | int yytoken; |
1517 | /* The variables used to return semantic value and location from the | |
1518 | action routines. */ | |
fa6aa7b3 JD |
1519 | YYSTYPE yyval;]b4_locations_if([[ |
1520 | YYLTYPE yyloc;]])[ | |
1521 | ||
b4c1f9d2 PE |
1522 | #if YYERROR_VERBOSE |
1523 | /* Buffer for error messages, and its allocated size. */ | |
1524 | char yymsgbuf[128]; | |
1525 | char *yymsg = yymsgbuf; | |
1526 | YYSIZE_T yymsg_alloc = sizeof yymsgbuf; | |
1527 | #endif | |
10fa2066 | 1528 | |
327afc7c | 1529 | #define YYPOPSTACK(N) (yyvsp -= (N), yyssp -= (N)]b4_locations_if([, yylsp -= (N)])[) |
10fa2066 | 1530 | |
a85284cf | 1531 | /* The number of symbols on the RHS of the reduced rule. |
9d9b8b70 | 1532 | Keep to zero when no symbol should be popped. */ |
fa6aa7b3 JD |
1533 | int yylen = 0;]b4_push_if([[ |
1534 | ||
9ca7f077 JD |
1535 | if (!yyps->yynew) |
1536 | { | |
1537 | yyn = yypact[yystate]; | |
1538 | goto yyread_pushed_token; | |
fa6aa7b3 JD |
1539 | }]])[ |
1540 | ||
9ca7f077 JD |
1541 | yytoken = 0; |
1542 | yyss = yyssa; | |
fa6aa7b3 JD |
1543 | yyvs = yyvsa;]b4_locations_if([[ |
1544 | yyls = yylsa;]])[ | |
723fe7d1 JD |
1545 | yystacksize = YYINITDEPTH;]b4_lac_if([[ |
1546 | ||
1547 | yyes = yyesa; | |
1548 | yyes_capacity = sizeof yyesa / sizeof *yyes; | |
1549 | if (YYMAXDEPTH < yyes_capacity) | |
1550 | yyes_capacity = YYMAXDEPTH;]])[ | |
10fa2066 | 1551 | |
2f4f028d | 1552 | YYDPRINTF ((stderr, "Starting parse\n")); |
10fa2066 RS |
1553 | |
1554 | yystate = 0; | |
1555 | yyerrstatus = 0; | |
17da6427 | 1556 | yynerrs = 0; |
9ca7f077 | 1557 | yychar = YYEMPTY; /* Cause a token to be read. */ |
10fa2066 RS |
1558 | |
1559 | /* Initialize stack pointers. | |
1560 | Waste one element of value and location stack | |
1561 | so that they stay on the same level as the state stack. | |
1562 | The wasted elements are never initialized. */ | |
cbd89906 | 1563 | yyssp = yyss; |
9ca7f077 JD |
1564 | yyvsp = yyvs;]b4_locations_if([[ |
1565 | yylsp = yyls; | |
1566 | ||
9104636b | 1567 | #if defined ]b4_api_PREFIX[LTYPE_IS_TRIVIAL && ]b4_api_PREFIX[LTYPE_IS_TRIVIAL |
b8458aa5 | 1568 | /* Initialize the default location before parsing starts. */ |
cd48d21d AD |
1569 | yylloc.first_line = yylloc.last_line = ]b4_location_initial_line[; |
1570 | yylloc.first_column = yylloc.last_column = ]b4_location_initial_column[; | |
9ca7f077 JD |
1571 | #endif]]) |
1572 | m4_ifdef([b4_initial_action],[ | |
cd735a8c AD |
1573 | b4_dollar_pushdef([m4_define([b4_dollar_dollar_used])yylval], [], |
1574 | [m4_define([b4_at_dollar_used])yylloc])dnl | |
9ca7f077 JD |
1575 | /* User initialization code. */ |
1576 | b4_user_initial_action | |
cd735a8c | 1577 | b4_dollar_popdef[]dnl |
407d4a75 PE |
1578 | m4_ifdef([b4_dollar_dollar_used],[[ yyvsp[0] = yylval; |
1579 | ]])dnl | |
1580 | m4_ifdef([b4_at_dollar_used], [[ yylsp[0] = yylloc; | |
cd735a8c AD |
1581 | ]])])dnl |
1582 | [ goto yysetstate; | |
10fa2066 | 1583 | |
71da9eea AD |
1584 | /*------------------------------------------------------------. |
1585 | | yynewstate -- Push a new state, which is found in yystate. | | |
1586 | `------------------------------------------------------------*/ | |
342b8b6e | 1587 | yynewstate: |
71da9eea | 1588 | /* In all cases, when you get here, the value and location stacks |
9d9b8b70 | 1589 | have just been pushed. So pushing a state here evens the stacks. */ |
cbd89906 PE |
1590 | yyssp++; |
1591 | ||
342b8b6e | 1592 | yysetstate: |
cbd89906 | 1593 | *yyssp = yystate; |
10fa2066 | 1594 | |
39912f52 | 1595 | if (yyss + yystacksize - 1 <= yyssp) |
10fa2066 | 1596 | { |
10fa2066 | 1597 | /* Get the current used size of the three stacks, in elements. */ |
7093d0f5 | 1598 | YYSIZE_T yysize = yyssp - yyss + 1; |
10fa2066 RS |
1599 | |
1600 | #ifdef yyoverflow | |
3d76b07d | 1601 | { |
9d9b8b70 | 1602 | /* Give user a chance to reallocate the stack. Use copies of |
3d76b07d AD |
1603 | these so that the &'s don't force the real ones into |
1604 | memory. */ | |
1605 | YYSTYPE *yyvs1 = yyvs; | |
9ca7f077 JD |
1606 | yytype_int16 *yyss1 = yyss;]b4_locations_if([ |
1607 | YYLTYPE *yyls1 = yyls;])[ | |
3d76b07d AD |
1608 | |
1609 | /* Each stack pointer address is followed by the size of the | |
58612f1d AD |
1610 | data in use in that stack, in bytes. This used to be a |
1611 | conditional around just the two extra args, but that might | |
1612 | be undefined if yyoverflow is a macro. */ | |
1a059451 | 1613 | yyoverflow (YY_("memory exhausted"), |
7093d0f5 | 1614 | &yyss1, yysize * sizeof (*yyssp), |
9ca7f077 JD |
1615 | &yyvs1, yysize * sizeof (*yyvsp),]b4_locations_if([ |
1616 | &yyls1, yysize * sizeof (*yylsp),])[ | |
3d76b07d | 1617 | &yystacksize); |
9ca7f077 JD |
1618 | ]b4_locations_if([ |
1619 | yyls = yyls1;])[ | |
3d76b07d AD |
1620 | yyss = yyss1; |
1621 | yyvs = yyvs1; | |
1622 | } | |
10fa2066 | 1623 | #else /* no yyoverflow */ |
cf44a9ae | 1624 | # ifndef YYSTACK_RELOCATE |
1a059451 | 1625 | goto yyexhaustedlab; |
cf44a9ae | 1626 | # else |
10fa2066 | 1627 | /* Extend the stack our own way. */ |
39912f52 | 1628 | if (YYMAXDEPTH <= yystacksize) |
1a059451 | 1629 | goto yyexhaustedlab; |
10fa2066 | 1630 | yystacksize *= 2; |
39912f52 | 1631 | if (YYMAXDEPTH < yystacksize) |
10fa2066 | 1632 | yystacksize = YYMAXDEPTH; |
e9e4c321 | 1633 | |
600f9b0c | 1634 | { |
d42cf844 | 1635 | yytype_int16 *yyss1 = yyss; |
2729e106 PE |
1636 | union yyalloc *yyptr = |
1637 | (union yyalloc *) YYSTACK_ALLOC (YYSTACK_BYTES (yystacksize)); | |
600f9b0c | 1638 | if (! yyptr) |
1a059451 | 1639 | goto yyexhaustedlab; |
9ca7f077 JD |
1640 | YYSTACK_RELOCATE (yyss_alloc, yyss); |
1641 | YYSTACK_RELOCATE (yyvs_alloc, yyvs);]b4_locations_if([ | |
1642 | YYSTACK_RELOCATE (yyls_alloc, yyls);])[ | |
cf44a9ae | 1643 | # undef YYSTACK_RELOCATE |
600f9b0c PE |
1644 | if (yyss1 != yyssa) |
1645 | YYSTACK_FREE (yyss1); | |
1646 | } | |
cf44a9ae | 1647 | # endif |
10fa2066 RS |
1648 | #endif /* no yyoverflow */ |
1649 | ||
7093d0f5 | 1650 | yyssp = yyss + yysize - 1; |
9ca7f077 JD |
1651 | yyvsp = yyvs + yysize - 1;]b4_locations_if([ |
1652 | yylsp = yyls + yysize - 1;])[ | |
10fa2066 | 1653 | |
30757c8c | 1654 | YYDPRINTF ((stderr, "Stack size increased to %lu\n", |
600f9b0c | 1655 | (unsigned long int) yystacksize)); |
10fa2066 | 1656 | |
39912f52 | 1657 | if (yyss + yystacksize - 1 <= yyssp) |
10fa2066 RS |
1658 | YYABORT; |
1659 | } | |
1660 | ||
30757c8c | 1661 | YYDPRINTF ((stderr, "Entering state %d\n", yystate)); |
10fa2066 | 1662 | |
868d2d96 JD |
1663 | if (yystate == YYFINAL) |
1664 | YYACCEPT; | |
1665 | ||
10fa2066 | 1666 | goto yybackup; |
71da9eea | 1667 | |
71da9eea AD |
1668 | /*-----------. |
1669 | | yybackup. | | |
1670 | `-----------*/ | |
1671 | yybackup: | |
10fa2066 | 1672 | |
a85284cf | 1673 | /* Do appropriate processing given the current state. Read a |
742e4900 | 1674 | lookahead token if we need one and don't already have one. */ |
10fa2066 | 1675 | |
742e4900 | 1676 | /* First try to decide what to do without reference to lookahead token. */ |
10fa2066 | 1677 | yyn = yypact[yystate]; |
d5eb0826 | 1678 | if (yypact_value_is_default (yyn)) |
10fa2066 RS |
1679 | goto yydefault; |
1680 | ||
742e4900 | 1681 | /* Not known => get a lookahead token if don't already have one. */ |
10fa2066 | 1682 | |
742e4900 | 1683 | /* YYCHAR is either YYEMPTY or YYEOF or a valid lookahead symbol. */ |
a20713a4 | 1684 | if (yychar == YYEMPTY) |
fa6aa7b3 JD |
1685 | {]b4_push_if([[ |
1686 | if (!yyps->yynew) | |
1687 | {]b4_use_push_for_pull_if([], [[ | |
1688 | YYDPRINTF ((stderr, "Return for a new token:\n"));]])[ | |
1689 | yyresult = YYPUSH_MORE; | |
9ca7f077 JD |
1690 | goto yypushreturn; |
1691 | } | |
fa6aa7b3 | 1692 | yyps->yynew = 0;]b4_pure_if([], [[ |
9ca7f077 JD |
1693 | /* Restoring the pushed token is only necessary for the first |
1694 | yypush_parse invocation since subsequent invocations don't overwrite | |
1695 | it before jumping to yyread_pushed_token. */ | |
1696 | yychar = yypushed_char; | |
fa6aa7b3 JD |
1697 | yylval = yypushed_val;]b4_locations_if([[ |
1698 | yylloc = yypushed_loc;]])])[ | |
1699 | yyread_pushed_token:]])[ | |
1700 | YYDPRINTF ((stderr, "Reading a token: "));]b4_push_if([b4_pure_if([[ | |
1701 | yychar = yypushed_char; | |
9ca7f077 | 1702 | if (yypushed_val) |
fa6aa7b3 JD |
1703 | yylval = *yypushed_val;]b4_locations_if([[ |
1704 | if (yypushed_loc) | |
1705 | yylloc = *yypushed_loc;]])])], [[ | |
1706 | yychar = YYLEX;]])[ | |
1707 | } | |
10fa2066 | 1708 | |
a20713a4 | 1709 | if (yychar <= YYEOF) |
10fa2066 | 1710 | { |
a20713a4 | 1711 | yychar = yytoken = YYEOF; |
2f4f028d | 1712 | YYDPRINTF ((stderr, "Now at end of input.\n")); |
10fa2066 RS |
1713 | } |
1714 | else | |
1715 | { | |
a20713a4 | 1716 | yytoken = YYTRANSLATE (yychar); |
30757c8c | 1717 | YY_SYMBOL_PRINT ("Next token is", yytoken, &yylval, &yylloc); |
10fa2066 RS |
1718 | } |
1719 | ||
b0400cc6 | 1720 | /* If the proper action on seeing token YYTOKEN is to reduce or to |
e5cfd9d8 | 1721 | detect an error, take that action. */ |
b0400cc6 | 1722 | yyn += yytoken; |
ea13bea8 JD |
1723 | if (yyn < 0 || YYLAST < yyn || yycheck[yyn] != yytoken)]b4_lac_if([[ |
1724 | { | |
1725 | YY_LAC_ESTABLISH; | |
1726 | goto yydefault; | |
1727 | }]], [[ | |
1728 | goto yydefault;]])[ | |
e5cfd9d8 PE |
1729 | yyn = yytable[yyn]; |
1730 | if (yyn <= 0) | |
10fa2066 | 1731 | { |
d5eb0826 | 1732 | if (yytable_value_is_error (yyn)) |
ea13bea8 JD |
1733 | goto yyerrlab;]b4_lac_if([[ |
1734 | YY_LAC_ESTABLISH;]])[ | |
10fa2066 RS |
1735 | yyn = -yyn; |
1736 | goto yyreduce; | |
1737 | } | |
10fa2066 | 1738 | |
a85284cf AD |
1739 | /* Count tokens shifted since error; after three, turn off error |
1740 | status. */ | |
1741 | if (yyerrstatus) | |
1742 | yyerrstatus--; | |
1743 | ||
742e4900 | 1744 | /* Shift the lookahead token. */ |
30757c8c | 1745 | YY_SYMBOL_PRINT ("Shifting", yytoken, &yylval, &yylloc); |
10fa2066 | 1746 | |
868d2d96 | 1747 | /* Discard the shifted token. */ |
ea13bea8 JD |
1748 | yychar = YYEMPTY;]b4_lac_if([[ |
1749 | YY_LAC_DISCARD ("shift");]])[ | |
10fa2066 | 1750 | |
a85284cf | 1751 | yystate = yyn; |
17da6427 | 1752 | *++yyvsp = yylval; |
327afc7c | 1753 | ]b4_locations_if([ *++yylsp = yylloc;])[ |
10fa2066 RS |
1754 | goto yynewstate; |
1755 | ||
10fa2066 | 1756 | |
71da9eea AD |
1757 | /*-----------------------------------------------------------. |
1758 | | yydefault -- do the default action for the current state. | | |
1759 | `-----------------------------------------------------------*/ | |
1760 | yydefault: | |
10fa2066 RS |
1761 | yyn = yydefact[yystate]; |
1762 | if (yyn == 0) | |
1763 | goto yyerrlab; | |
71da9eea | 1764 | goto yyreduce; |
10fa2066 | 1765 | |
71da9eea AD |
1766 | |
1767 | /*-----------------------------. | |
1768 | | yyreduce -- Do a reduction. | | |
1769 | `-----------------------------*/ | |
10fa2066 | 1770 | yyreduce: |
71da9eea | 1771 | /* yyn is the number of a rule to reduce with. */ |
10fa2066 | 1772 | yylen = yyr2[yyn]; |
da9abf43 AD |
1773 | |
1774 | /* If YYLEN is nonzero, implement the default value of the action: | |
573c1d9f | 1775 | `$$ = $1'. |
da9abf43 | 1776 | |
accea6db PE |
1777 | Otherwise, the following line sets YYVAL to garbage. |
1778 | This behavior is undocumented and Bison | |
da9abf43 AD |
1779 | users should not rely upon it. Assigning to YYVAL |
1780 | unconditionally makes the parser a bit smaller, and it avoids a | |
1781 | GCC warning that YYVAL may be used uninitialized. */ | |
1782 | yyval = yyvsp[1-yylen]; | |
3abcd459 | 1783 | |
327afc7c | 1784 | ]b4_locations_if( |
9d9b8b70 | 1785 | [[ /* Default location. */ |
401aace6 | 1786 | YYLLOC_DEFAULT (yyloc, (yylsp - yylen), yylen);]])[ |
ea13bea8 JD |
1787 | YY_REDUCE_PRINT (yyn);]b4_lac_if([[ |
1788 | { | |
1789 | int yychar_backup = yychar; | |
1790 | switch (yyn) | |
1791 | { | |
1792 | ]b4_user_actions[ | |
1793 | default: break; | |
1794 | } | |
1795 | if (yychar_backup != yychar) | |
1796 | YY_LAC_DISCARD ("yychar change"); | |
1797 | }]], [[ | |
a8289c62 | 1798 | switch (yyn) |
d1ff7a7c | 1799 | { |
8ec0a172 | 1800 | ]b4_user_actions[ |
95f22ad2 | 1801 | default: break; |
ea13bea8 | 1802 | }]])[ |
abcc7c03 JD |
1803 | /* User semantic actions sometimes alter yychar, and that requires |
1804 | that yytoken be updated with the new translation. We take the | |
1805 | approach of translating immediately before every use of yytoken. | |
1806 | One alternative is translating here after every semantic action, | |
1807 | but that translation would be missed if the semantic action invokes | |
1808 | YYABORT, YYACCEPT, or YYERROR immediately after altering yychar or | |
1809 | if it invokes YYBACKUP. In the case of YYABORT or YYACCEPT, an | |
1810 | incorrect destructor might then be invoked immediately. In the | |
1811 | case of YYERROR or YYBACKUP, subsequent parser actions might lead | |
1812 | to an incorrect destructor call or verbose syntax error message | |
1813 | before the lookahead is translated. */ | |
d1ff7a7c | 1814 | YY_SYMBOL_PRINT ("-> $$ =", yyr1[yyn], &yyval, &yyloc); |
897668ee | 1815 | |
a85284cf AD |
1816 | YYPOPSTACK (yylen); |
1817 | yylen = 0; | |
b0937b22 | 1818 | YY_STACK_PRINT (yyss, yyssp); |
10fa2066 | 1819 | |
9ca7f077 JD |
1820 | *++yyvsp = yyval;]b4_locations_if([ |
1821 | *++yylsp = yyloc;])[ | |
10fa2066 | 1822 | |
41aca2e0 AD |
1823 | /* Now `shift' the result of the reduction. Determine what state |
1824 | that goes to, based on the state we popped back to and the rule | |
1825 | number reduced by. */ | |
10fa2066 RS |
1826 | |
1827 | yyn = yyr1[yyn]; | |
1828 | ||
7742ddeb | 1829 | yystate = yypgoto[yyn - YYNTOKENS] + *yyssp; |
34ec3579 | 1830 | if (0 <= yystate && yystate <= YYLAST && yycheck[yystate] == *yyssp) |
10fa2066 RS |
1831 | yystate = yytable[yystate]; |
1832 | else | |
7742ddeb | 1833 | yystate = yydefgoto[yyn - YYNTOKENS]; |
10fa2066 RS |
1834 | |
1835 | goto yynewstate; | |
1836 | ||
10fa2066 | 1837 | |
71da9eea AD |
1838 | /*------------------------------------. |
1839 | | yyerrlab -- here on detecting error | | |
1840 | `------------------------------------*/ | |
1841 | yyerrlab: | |
abcc7c03 JD |
1842 | /* Make sure we have latest lookahead translation. See comments at |
1843 | user semantic actions for why this is necessary. */ | |
095a1d11 | 1844 | yytoken = yychar == YYEMPTY ? YYEMPTY : YYTRANSLATE (yychar); |
abcc7c03 | 1845 | |
71da9eea AD |
1846 | /* If not already recovering from an error, report this error. */ |
1847 | if (!yyerrstatus) | |
10fa2066 | 1848 | { |
17da6427 | 1849 | ++yynerrs; |
b4c1f9d2 PE |
1850 | #if ! YYERROR_VERBOSE |
1851 | yyerror (]b4_yyerror_args[YY_("syntax error")); | |
1852 | #else | |
723fe7d1 JD |
1853 | # define YYSYNTAX_ERROR yysyntax_error (&yymsg_alloc, &yymsg, \]b4_lac_if([[ |
1854 | yyesa, &yyes, &yyes_capacity, \]])[ | |
1855 | yyssp, yytoken) | |
0e0f066b JD |
1856 | { |
1857 | char const *yymsgp = YY_("syntax error"); | |
ea13bea8 JD |
1858 | int yysyntax_error_status;]b4_lac_if([[ |
1859 | if (yychar != YYEMPTY) | |
1860 | YY_LAC_ESTABLISH;]])[ | |
1861 | yysyntax_error_status = YYSYNTAX_ERROR; | |
0e0f066b JD |
1862 | if (yysyntax_error_status == 0) |
1863 | yymsgp = yymsg; | |
095a1d11 | 1864 | else if (yysyntax_error_status == 1) |
0e0f066b JD |
1865 | { |
1866 | if (yymsg != yymsgbuf) | |
1867 | YYSTACK_FREE (yymsg); | |
1868 | yymsg = (char *) YYSTACK_ALLOC (yymsg_alloc); | |
1869 | if (!yymsg) | |
1870 | { | |
1871 | yymsg = yymsgbuf; | |
1872 | yymsg_alloc = sizeof yymsgbuf; | |
095a1d11 | 1873 | yysyntax_error_status = 2; |
0e0f066b JD |
1874 | } |
1875 | else | |
1876 | { | |
1877 | yysyntax_error_status = YYSYNTAX_ERROR; | |
1878 | yymsgp = yymsg; | |
1879 | } | |
1880 | } | |
1881 | yyerror (]b4_yyerror_args[yymsgp); | |
1882 | if (yysyntax_error_status == 2) | |
1883 | goto yyexhaustedlab; | |
1884 | } | |
1885 | # undef YYSYNTAX_ERROR | |
b4c1f9d2 | 1886 | #endif |
10fa2066 | 1887 | } |
71da9eea | 1888 | |
a005dbcb | 1889 | ]b4_locations_if([[ yyerror_range[1] = yylloc;]])[ |
d42f69cd | 1890 | |
10fa2066 RS |
1891 | if (yyerrstatus == 3) |
1892 | { | |
742e4900 | 1893 | /* If just tried and failed to reuse lookahead token after an |
71da9eea | 1894 | error, discard it. */ |
10fa2066 | 1895 | |
a6b89bb2 | 1896 | if (yychar <= YYEOF) |
02650b7f | 1897 | { |
258b75ca | 1898 | /* Return failure if at end of input. */ |
a6b89bb2 | 1899 | if (yychar == YYEOF) |
80ce3401 | 1900 | YYABORT; |
02650b7f | 1901 | } |
a6b89bb2 PE |
1902 | else |
1903 | { | |
4b367315 | 1904 | yydestruct ("Error: discarding", |
327afc7c | 1905 | yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[); |
a6b89bb2 | 1906 | yychar = YYEMPTY; |
a6b89bb2 | 1907 | } |
10fa2066 RS |
1908 | } |
1909 | ||
742e4900 | 1910 | /* Else will try to reuse lookahead token after shifting the error |
71da9eea | 1911 | token. */ |
8a3eb3c8 | 1912 | goto yyerrlab1; |
300a7966 | 1913 | |
10fa2066 | 1914 | |
a6b89bb2 PE |
1915 | /*---------------------------------------------------. |
1916 | | yyerrorlab -- error raised explicitly by YYERROR. | | |
1917 | `---------------------------------------------------*/ | |
1918 | yyerrorlab: | |
1919 | ||
c7a65b99 PE |
1920 | /* Pacify compilers like GCC when the user code never invokes |
1921 | YYERROR and the label yyerrorlab therefore never appears in user | |
1922 | code. */ | |
2a4647a3 | 1923 | if (/*CONSTCOND*/ 0) |
a6b89bb2 | 1924 | goto yyerrorlab; |
a6b89bb2 | 1925 | |
a005dbcb | 1926 | ]b4_locations_if([[ yyerror_range[1] = yylsp[1-yylen]; |
a85284cf | 1927 | ]])[ /* Do not reclaim the symbols of the rule which action triggered |
9d9b8b70 | 1928 | this YYERROR. */ |
a85284cf AD |
1929 | YYPOPSTACK (yylen); |
1930 | yylen = 0; | |
1931 | YY_STACK_PRINT (yyss, yyssp); | |
a6b89bb2 | 1932 | yystate = *yyssp; |
3fc16193 | 1933 | goto yyerrlab1; |
a6b89bb2 PE |
1934 | |
1935 | ||
1936 | /*-------------------------------------------------------------. | |
1937 | | yyerrlab1 -- common code for both syntax error and YYERROR. | | |
1938 | `-------------------------------------------------------------*/ | |
300a7966 | 1939 | yyerrlab1: |
cf44a9ae | 1940 | yyerrstatus = 3; /* Each real token shifted decrements this. */ |
10fa2066 | 1941 | |
660bc8dd PE |
1942 | for (;;) |
1943 | { | |
1944 | yyn = yypact[yystate]; | |
d5eb0826 | 1945 | if (!yypact_value_is_default (yyn)) |
660bc8dd PE |
1946 | { |
1947 | yyn += YYTERROR; | |
1948 | if (0 <= yyn && yyn <= YYLAST && yycheck[yyn] == YYTERROR) | |
1949 | { | |
1950 | yyn = yytable[yyn]; | |
1951 | if (0 < yyn) | |
1952 | break; | |
1953 | } | |
1954 | } | |
10fa2066 | 1955 | |
660bc8dd PE |
1956 | /* Pop the current state because it cannot handle the error token. */ |
1957 | if (yyssp == yyss) | |
1958 | YYABORT; | |
5504898e | 1959 | |
a005dbcb | 1960 | ]b4_locations_if([[ yyerror_range[1] = *yylsp;]])[ |
4b367315 | 1961 | yydestruct ("Error: popping", |
327afc7c | 1962 | yystos[yystate], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[); |
a85284cf | 1963 | YYPOPSTACK (1); |
a6b89bb2 | 1964 | yystate = *yyssp; |
b0937b22 | 1965 | YY_STACK_PRINT (yyss, yyssp); |
ea13bea8 JD |
1966 | }]b4_lac_if([[ |
1967 | ||
1968 | /* If the stack popping above didn't lose the initial context for the | |
1969 | current lookahead token, the shift below will for sure. */ | |
1970 | YY_LAC_DISCARD ("error recovery");]])[ | |
10fa2066 | 1971 | |
17da6427 | 1972 | *++yyvsp = yylval; |
327afc7c | 1973 | ]b4_locations_if([[ |
a005dbcb | 1974 | yyerror_range[2] = yylloc; |
3fc16193 | 1975 | /* Using YYLLOC is tempting, but would change the location of |
742e4900 | 1976 | the lookahead. YYLOC is available though. */ |
a005dbcb | 1977 | YYLLOC_DEFAULT (yyloc, yyerror_range, 2); |
3fc16193 | 1978 | *++yylsp = yyloc;]])[ |
10fa2066 | 1979 | |
9d9b8b70 | 1980 | /* Shift the error token. */ |
30757c8c | 1981 | YY_SYMBOL_PRINT ("Shifting", yystos[yyn], yyvsp, yylsp); |
1576d44d | 1982 | |
10fa2066 RS |
1983 | yystate = yyn; |
1984 | goto yynewstate; | |
70ddf897 | 1985 | |
71da9eea AD |
1986 | |
1987 | /*-------------------------------------. | |
1988 | | yyacceptlab -- YYACCEPT comes here. | | |
1989 | `-------------------------------------*/ | |
1990 | yyacceptlab: | |
600f9b0c PE |
1991 | yyresult = 0; |
1992 | goto yyreturn; | |
71da9eea AD |
1993 | |
1994 | /*-----------------------------------. | |
1995 | | yyabortlab -- YYABORT comes here. | | |
1996 | `-----------------------------------*/ | |
1997 | yyabortlab: | |
600f9b0c PE |
1998 | yyresult = 1; |
1999 | goto yyreturn; | |
2000 | ||
24bb5f8f | 2001 | #if ]b4_lac_if([[1]], [[!defined yyoverflow || YYERROR_VERBOSE]])[ |
1a059451 PE |
2002 | /*-------------------------------------------------. |
2003 | | yyexhaustedlab -- memory exhaustion comes here. | | |
2004 | `-------------------------------------------------*/ | |
2005 | yyexhaustedlab: | |
2006 | yyerror (]b4_yyerror_args[YY_("memory exhausted")); | |
600f9b0c PE |
2007 | yyresult = 2; |
2008 | /* Fall through. */ | |
0bfb02ff | 2009 | #endif |
600f9b0c PE |
2010 | |
2011 | yyreturn: | |
868d2d96 | 2012 | if (yychar != YYEMPTY) |
abcc7c03 JD |
2013 | { |
2014 | /* Make sure we have latest lookahead translation. See comments at | |
2015 | user semantic actions for why this is necessary. */ | |
2016 | yytoken = YYTRANSLATE (yychar); | |
2017 | yydestruct ("Cleanup: discarding lookahead", | |
2018 | yytoken, &yylval]b4_locations_if([, &yylloc])[]b4_user_args[); | |
2019 | } | |
a85284cf | 2020 | /* Do not reclaim the symbols of the rule which action triggered |
9d9b8b70 | 2021 | this YYABORT or YYACCEPT. */ |
a85284cf AD |
2022 | YYPOPSTACK (yylen); |
2023 | YY_STACK_PRINT (yyss, yyssp); | |
258b75ca PE |
2024 | while (yyssp != yyss) |
2025 | { | |
dd5f2af2 | 2026 | yydestruct ("Cleanup: popping", |
327afc7c | 2027 | yystos[*yyssp], yyvsp]b4_locations_if([, yylsp])[]b4_user_args[); |
a85284cf | 2028 | YYPOPSTACK (1); |
258b75ca | 2029 | } |
600f9b0c PE |
2030 | #ifndef yyoverflow |
2031 | if (yyss != yyssa) | |
2032 | YYSTACK_FREE (yyss); | |
723fe7d1 JD |
2033 | #endif]b4_lac_if([[ |
2034 | if (yyes != yyesa) | |
2035 | YYSTACK_FREE (yyes);]])b4_push_if([[ | |
93d0103d | 2036 | yyps->yynew = 1; |
9ca7f077 | 2037 | |
93d0103d JD |
2038 | yypushreturn:]])[ |
2039 | #if YYERROR_VERBOSE | |
b4c1f9d2 PE |
2040 | if (yymsg != yymsgbuf) |
2041 | YYSTACK_FREE (yymsg); | |
70ddf897 | 2042 | #endif |
7b5cdcbd JD |
2043 | /* Make sure YYID is used. */ |
2044 | return YYID (yyresult); | |
9ca7f077 | 2045 | } |
be2a1a68 | 2046 | |
24c0aad7 | 2047 | |
dcd5344d | 2048 | ]b4_epilogue[]dnl |
327afc7c | 2049 | b4_defines_if( |
0d2b2ab0 | 2050 | [@output(b4_spec_defines_file@)@ |
7e5ef706 | 2051 | b4_copyright([Bison interface for Yacc-like parsers in C], |
ae6bdabb | 2052 | [1984, 1989-1990, 2000-2012])[ |
c3e9f08f | 2053 | |
ae6bdabb | 2054 | ]b4_shared_declarations[ |
c3e9f08f | 2055 | ]])dnl b4_defines_if |
08af01c2 | 2056 | m4_divert_pop(0) |