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10fa2066 | 1 | /* -*-C-*- Note some compilers choke on comments on `#line' lines. */ |
dc08c1d5 | 2 | #line |
10fa2066 | 3 | /* Skeleton output parser for bison, |
a35f64ea | 4 | Copyright 1984, 1989, 1990, 2000 Free Software Foundation, Inc. |
10fa2066 RS |
5 | |
6 | This program is free software; you can redistribute it and/or modify | |
7 | it under the terms of the GNU General Public License as published by | |
21b14802 | 8 | the Free Software Foundation; either version 2, or (at your option) |
10fa2066 RS |
9 | any later version. |
10 | ||
11 | This program is distributed in the hope that it will be useful, | |
12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
14 | GNU General Public License for more details. | |
15 | ||
16 | You should have received a copy of the GNU General Public License | |
17 | along with this program; if not, write to the Free Software | |
c49a8e71 JT |
18 | Foundation, Inc., 59 Temple Place - Suite 330, |
19 | Boston, MA 02111-1307, USA. */ | |
10fa2066 | 20 | |
c71f8bba RS |
21 | /* As a special exception, when this file is copied by Bison into a |
22 | Bison output file, you may use that output file without restriction. | |
23 | This special exception was added by the Free Software Foundation | |
cfeaeb52 | 24 | in version 1.24 of Bison. */ |
10fa2066 | 25 | |
71da9eea AD |
26 | /* This is the parser code that is written into each bison parser when |
27 | the %semantic_parser declaration is not specified in the grammar. | |
28 | It was written by Richard Stallman by simplifying the hairy parser | |
29 | used when %semantic_parser is specified. */ | |
444fbf65 | 30 | |
70ddf897 | 31 | #ifndef YYSTACK_USE_ALLOCA |
361f60b3 AD |
32 | # ifdef alloca |
33 | # define YYSTACK_USE_ALLOCA | |
34 | # else /* alloca not defined */ | |
35 | # ifdef __GNUC__ | |
36 | # define YYSTACK_USE_ALLOCA | |
37 | # define alloca __builtin_alloca | |
38 | # else /* not GNU C. */ | |
39 | # if (!defined (__STDC__) && defined (sparc)) || defined (__sparc__) || defined (__sparc) || defined (__sgi) || (defined (__sun) && defined (__i386)) | |
40 | # define YYSTACK_USE_ALLOCA | |
41 | # include <alloca.h> | |
42 | # else /* not sparc */ | |
43 | /* We think this test detects Watcom and Microsoft C. */ | |
44 | /* This used to test MSDOS, but that is a bad idea since that | |
45 | symbol is in the user namespace. */ | |
46 | # if (defined (_MSDOS) || defined (_MSDOS_)) && !defined (__TURBOC__) | |
47 | # if 0 | |
48 | /* No need for malloc.h, which pollutes the namespace; instead, | |
49 | just don't use alloca. */ | |
50 | # include <malloc.h> | |
51 | # endif | |
52 | # else /* not MSDOS, or __TURBOC__ */ | |
53 | # if defined(_AIX) | |
54 | /* I don't know what this was needed for, but it pollutes the | |
55 | namespace. So I turned it off. rms, 2 May 1997. */ | |
56 | /* #include <malloc.h> */ | |
10fa2066 | 57 | #pragma alloca |
361f60b3 AD |
58 | # define YYSTACK_USE_ALLOCA |
59 | # else /* not MSDOS, or __TURBOC__, or _AIX */ | |
60 | # if 0 | |
61 | /* haible@ilog.fr says this works for HPUX 9.05 and up, and on | |
62 | HPUX 10. Eventually we can turn this on. */ | |
63 | # ifdef __hpux | |
64 | # define YYSTACK_USE_ALLOCA | |
65 | # define alloca __builtin_alloca | |
66 | # endif /* __hpux */ | |
67 | # endif | |
68 | # endif /* not _AIX */ | |
69 | # endif /* not MSDOS, or __TURBOC__ */ | |
70 | # endif /* not sparc */ | |
71 | # endif /* not GNU C */ | |
72 | # endif /* alloca not defined */ | |
70ddf897 RS |
73 | #endif /* YYSTACK_USE_ALLOCA not defined */ |
74 | ||
75 | #ifdef YYSTACK_USE_ALLOCA | |
361f60b3 | 76 | # define YYSTACK_ALLOC alloca |
70ddf897 | 77 | #else |
361f60b3 | 78 | # define YYSTACK_ALLOC malloc |
70ddf897 | 79 | #endif |
10fa2066 | 80 | |
10fa2066 RS |
81 | #define yyerrok (yyerrstatus = 0) |
82 | #define yyclearin (yychar = YYEMPTY) | |
83 | #define YYEMPTY -2 | |
84 | #define YYEOF 0 | |
70ddf897 RS |
85 | #define YYACCEPT goto yyacceptlab |
86 | #define YYABORT goto yyabortlab | |
10fa2066 | 87 | #define YYERROR goto yyerrlab1 |
71da9eea AD |
88 | /* Like YYERROR except do call yyerror. This remains here temporarily |
89 | to ease the transition to the new meaning of YYERROR, for GCC. | |
10fa2066 RS |
90 | Once GCC version 2 has supplanted version 1, this can go. */ |
91 | #define YYFAIL goto yyerrlab | |
92 | #define YYRECOVERING() (!!yyerrstatus) | |
69b4e0c5 | 93 | #define YYBACKUP(Token, Value) \ |
10fa2066 RS |
94 | do \ |
95 | if (yychar == YYEMPTY && yylen == 1) \ | |
71da9eea AD |
96 | { \ |
97 | yychar = (Token); \ | |
98 | yylval = (Value); \ | |
10fa2066 RS |
99 | yychar1 = YYTRANSLATE (yychar); \ |
100 | YYPOPSTACK; \ | |
101 | goto yybackup; \ | |
102 | } \ | |
103 | else \ | |
71da9eea AD |
104 | { \ |
105 | yyerror ("syntax error: cannot back up"); \ | |
106 | YYERROR; \ | |
107 | } \ | |
10fa2066 RS |
108 | while (0) |
109 | ||
110 | #define YYTERROR 1 | |
111 | #define YYERRCODE 256 | |
112 | ||
10fa2066 | 113 | |
3abcd459 AD |
114 | /* YYLLOC_DEFAULT -- Compute the default location (before the actions |
115 | are run). | |
116 | ||
117 | When YYLLOC_DEFAULT is run, CURRENT is set the location of the | |
118 | first token. By default, to implement support for ranges, extend | |
119 | its range to the last symbol. */ | |
120 | ||
121 | #ifndef YYLLOC_DEFAULT | |
122 | # define YYLLOC_DEFAULT(Current, Last) \ | |
123 | Current.last_line = Last.last_line; \ | |
124 | Current.last_column = Last.last_column; | |
125 | #endif | |
126 | ||
127 | ||
128 | /* YYLEX -- calling `yylex' with the right arguments. */ | |
553e2b22 AD |
129 | |
130 | #if YYPURE | |
5af1f549 | 131 | # if YYLSP_NEEDED |
b07b484a | 132 | # ifdef YYLEX_PARAM |
71da9eea | 133 | # define YYLEX yylex (&yylval, &yylloc, YYLEX_PARAM) |
b07b484a | 134 | # else |
71da9eea | 135 | # define YYLEX yylex (&yylval, &yylloc) |
b07b484a | 136 | # endif |
71da9eea | 137 | # else /* !YYLSP_NEEDED */ |
b07b484a | 138 | # ifdef YYLEX_PARAM |
71da9eea | 139 | # define YYLEX yylex (&yylval, YYLEX_PARAM) |
b07b484a | 140 | # else |
71da9eea | 141 | # define YYLEX yylex (&yylval) |
b07b484a | 142 | # endif |
71da9eea | 143 | # endif /* !YYLSP_NEEDED */ |
553e2b22 AD |
144 | #else /* !YYPURE */ |
145 | # define YYLEX yylex () | |
146 | #endif /* !YYPURE */ | |
147 | ||
10fa2066 | 148 | |
5a35a6cb | 149 | /* Enable debugging if requested. */ |
0d533154 | 150 | #if YYDEBUG |
5a35a6cb AD |
151 | # define YYDPRINTF(Args) \ |
152 | do { \ | |
153 | if (yydebug) \ | |
154 | fprintf Args; \ | |
155 | } while (0) | |
156 | /* Nonzero means print parse trace. [The following comment makes no | |
157 | sense to me. Could someone clarify it? --akim] Since this is | |
158 | uninitialized, it does not stop multiple parsers from coexisting. | |
159 | */ | |
160 | int yydebug; | |
161 | #else /* !YYDEBUG */ | |
162 | # define YYDPRINTF(Args) | |
163 | #endif /* !YYDEBUG */ | |
164 | ||
165 | /* YYINITDEPTH -- initial size of the parser's stacks. */ | |
10fa2066 | 166 | #ifndef YYINITDEPTH |
b07b484a | 167 | # define YYINITDEPTH 200 |
10fa2066 RS |
168 | #endif |
169 | ||
5a35a6cb AD |
170 | /* YYMAXDEPTH -- maximum size the stacks can grow to (effective only |
171 | if the built-in stack extension method is used). */ | |
10fa2066 | 172 | #if YYMAXDEPTH == 0 |
b07b484a | 173 | # undef YYMAXDEPTH |
10fa2066 RS |
174 | #endif |
175 | ||
176 | #ifndef YYMAXDEPTH | |
b07b484a | 177 | # define YYMAXDEPTH 10000 |
10fa2066 | 178 | #endif |
10fa2066 | 179 | \f |
5e02f2ad RS |
180 | /* Define __yy_memcpy. Note that the size argument |
181 | should be passed with type unsigned int, because that is what the non-GCC | |
182 | definitions require. With GCC, __builtin_memcpy takes an arg | |
183 | of type size_t, but it can handle unsigned int. */ | |
184 | ||
10fa2066 | 185 | #if __GNUC__ > 1 /* GNU C and GNU C++ define this. */ |
5a35a6cb | 186 | # define __yy_memcpy(To, From, Count) __builtin_memcpy (To, From, Count) |
10fa2066 | 187 | #else /* not GNU C or C++ */ |
b07b484a | 188 | # ifndef __cplusplus |
10fa2066 RS |
189 | |
190 | /* This is the most reliable way to avoid incompatibilities | |
191 | in available built-in functions on various systems. */ | |
192 | static void | |
c245d0d3 | 193 | __yy_memcpy (to, from, count) |
10fa2066 | 194 | char *to; |
c245d0d3 | 195 | char *from; |
5e02f2ad | 196 | unsigned int count; |
10fa2066 RS |
197 | { |
198 | register char *f = from; | |
199 | register char *t = to; | |
200 | register int i = count; | |
201 | ||
202 | while (i-- > 0) | |
203 | *t++ = *f++; | |
204 | } | |
205 | ||
b07b484a | 206 | # else /* __cplusplus */ |
10fa2066 RS |
207 | |
208 | /* This is the most reliable way to avoid incompatibilities | |
209 | in available built-in functions on various systems. */ | |
210 | static void | |
5e02f2ad | 211 | __yy_memcpy (char *to, char *from, unsigned int count) |
10fa2066 | 212 | { |
10fa2066 | 213 | register char *t = to; |
4cf401b2 | 214 | register char *f = from; |
10fa2066 RS |
215 | register int i = count; |
216 | ||
217 | while (i-- > 0) | |
218 | *t++ = *f++; | |
219 | } | |
220 | ||
b07b484a | 221 | # endif |
10fa2066 RS |
222 | #endif |
223 | \f | |
dc08c1d5 | 224 | #line |
b658bf92 RS |
225 | |
226 | /* The user can define YYPARSE_PARAM as the name of an argument to be passed | |
227 | into yyparse. The argument should have type void *. | |
228 | It should actually point to an object. | |
229 | Grammar actions can access the variable by casting it | |
230 | to the proper pointer type. */ | |
231 | ||
232 | #ifdef YYPARSE_PARAM | |
b07b484a AD |
233 | # ifdef __cplusplus |
234 | # define YYPARSE_PARAM_ARG void *YYPARSE_PARAM | |
235 | # define YYPARSE_PARAM_DECL | |
71da9eea | 236 | # else /* !__cplusplus */ |
b07b484a AD |
237 | # define YYPARSE_PARAM_ARG YYPARSE_PARAM |
238 | # define YYPARSE_PARAM_DECL void *YYPARSE_PARAM; | |
71da9eea AD |
239 | # endif /* !__cplusplus */ |
240 | #else /* !YYPARSE_PARAM */ | |
b07b484a AD |
241 | # define YYPARSE_PARAM_ARG |
242 | # define YYPARSE_PARAM_DECL | |
71da9eea | 243 | #endif /* !YYPARSE_PARAM */ |
b658bf92 | 244 | |
1b181651 PE |
245 | /* Prevent warning if -Wstrict-prototypes. */ |
246 | #ifdef __GNUC__ | |
b07b484a | 247 | # ifdef YYPARSE_PARAM |
1b181651 | 248 | int yyparse (void *); |
b07b484a | 249 | # else |
1b181651 | 250 | int yyparse (void); |
b07b484a | 251 | # endif |
1b181651 PE |
252 | #endif |
253 | ||
a35f64ea AD |
254 | /* YY_DECL_VARIABLES -- depending whether we use a pure parser, |
255 | variables are global, or local to YYPARSE. */ | |
256 | ||
257 | #define _YY_DECL_VARIABLES \ | |
258 | /* The lookahead symbol. */ \ | |
259 | int yychar; \ | |
260 | \ | |
261 | /* The semantic value of the lookahead symbol. */ \ | |
262 | YYSTYPE yylval; \ | |
263 | \ | |
264 | /* Number of parse errors so far. */ \ | |
265 | int yynerrs; | |
266 | ||
267 | #if YYLSP_NEEDED | |
268 | # define YY_DECL_VARIABLES \ | |
269 | _YY_DECL_VARIABLES \ | |
270 | \ | |
271 | /* Location data for the lookahead symbol. */ \ | |
272 | YYLTYPE yylloc; | |
273 | #else | |
274 | # define YY_DECL_VARIABLES \ | |
275 | _YY_DECL_VARIABLES | |
276 | #endif | |
277 | ||
278 | ||
279 | /* If nonreentrant, generate the variables here. */ | |
280 | ||
281 | #if !YYPURE | |
282 | YY_DECL_VARIABLES | |
283 | #endif /* !YYPURE */ | |
284 | ||
10fa2066 | 285 | int |
71da9eea | 286 | yyparse (YYPARSE_PARAM_ARG) |
b658bf92 | 287 | YYPARSE_PARAM_DECL |
10fa2066 | 288 | { |
a35f64ea AD |
289 | /* If reentrant, generate the variables here. */ |
290 | #if YYPURE | |
291 | YY_DECL_VARIABLES | |
292 | #endif /* !YYPURE */ | |
293 | ||
10fa2066 RS |
294 | register int yystate; |
295 | register int yyn; | |
b07b484a AD |
296 | /* Number of tokens to shift before error messages enabled. */ |
297 | int yyerrstatus; | |
298 | /* Lookahead token as an internal (translated) token number. */ | |
299 | int yychar1 = 0; | |
10fa2066 | 300 | |
bb10be54 AD |
301 | /* Three stacks and their tools: |
302 | `yyss': related to states, | |
303 | `yysv': related to semantic values, | |
304 | `yyls': related to locations. | |
305 | ||
306 | Refer to the stacks thru separate pointers, to allow yyoverflow | |
307 | to reallocate them elsewhere. */ | |
308 | ||
b07b484a AD |
309 | /* The state stack. */ |
310 | short yyssa[YYINITDEPTH]; | |
bb10be54 AD |
311 | short *yyss = yyssa; |
312 | register short *yyssp; | |
313 | ||
b07b484a AD |
314 | /* The semantic value stack. */ |
315 | YYSTYPE yyvsa[YYINITDEPTH]; | |
b07b484a | 316 | YYSTYPE *yyvs = yyvsa; |
bb10be54 | 317 | register YYSTYPE *yyvsp; |
10fa2066 | 318 | |
5af1f549 | 319 | #if YYLSP_NEEDED |
b07b484a AD |
320 | /* The location stack. */ |
321 | YYLTYPE yylsa[YYINITDEPTH]; | |
10fa2066 RS |
322 | YYLTYPE *yyls = yylsa; |
323 | YYLTYPE *yylsp; | |
bb10be54 | 324 | #endif |
10fa2066 | 325 | |
5af1f549 | 326 | #if YYLSP_NEEDED |
b07b484a | 327 | # define YYPOPSTACK (yyvsp--, yyssp--, yylsp--) |
10fa2066 | 328 | #else |
b07b484a | 329 | # define YYPOPSTACK (yyvsp--, yyssp--) |
10fa2066 RS |
330 | #endif |
331 | ||
332 | int yystacksize = YYINITDEPTH; | |
70ddf897 | 333 | int yyfree_stacks = 0; |
10fa2066 | 334 | |
bb10be54 | 335 | |
6666f98f AD |
336 | /* The variables used to return semantic value and location from the |
337 | action routines. */ | |
bb10be54 | 338 | YYSTYPE yyval; |
5af1f549 | 339 | # if YYLSP_NEEDED |
6666f98f AD |
340 | YYLTYPE yyloc; |
341 | # endif | |
10fa2066 | 342 | |
6666f98f AD |
343 | /* When reducing, the number of symbols on the RHS of the reduced |
344 | rule. */ | |
10fa2066 RS |
345 | int yylen; |
346 | ||
5a35a6cb | 347 | YYDPRINTF ((stderr, "Starting parse\n")); |
10fa2066 RS |
348 | |
349 | yystate = 0; | |
350 | yyerrstatus = 0; | |
351 | yynerrs = 0; | |
352 | yychar = YYEMPTY; /* Cause a token to be read. */ | |
353 | ||
354 | /* Initialize stack pointers. | |
355 | Waste one element of value and location stack | |
356 | so that they stay on the same level as the state stack. | |
357 | The wasted elements are never initialized. */ | |
358 | ||
359 | yyssp = yyss - 1; | |
360 | yyvsp = yyvs; | |
5af1f549 | 361 | #if YYLSP_NEEDED |
10fa2066 RS |
362 | yylsp = yyls; |
363 | #endif | |
364 | ||
10fa2066 | 365 | |
71da9eea AD |
366 | /*------------------------------------------------------------. |
367 | | yynewstate -- Push a new state, which is found in yystate. | | |
368 | `------------------------------------------------------------*/ | |
369 | yynewstate: | |
370 | /* In all cases, when you get here, the value and location stacks | |
371 | have just been pushed. so pushing a state here evens the stacks. | |
372 | */ | |
10fa2066 RS |
373 | *++yyssp = yystate; |
374 | ||
375 | if (yyssp >= yyss + yystacksize - 1) | |
376 | { | |
71da9eea AD |
377 | /* Give user a chance to reallocate the stack. Use copies of |
378 | these so that the &'s don't force the real ones into memory. | |
379 | */ | |
10fa2066 RS |
380 | YYSTYPE *yyvs1 = yyvs; |
381 | short *yyss1 = yyss; | |
5af1f549 | 382 | #if YYLSP_NEEDED |
10fa2066 RS |
383 | YYLTYPE *yyls1 = yyls; |
384 | #endif | |
385 | ||
386 | /* Get the current used size of the three stacks, in elements. */ | |
387 | int size = yyssp - yyss + 1; | |
388 | ||
389 | #ifdef yyoverflow | |
69b4e0c5 AD |
390 | /* Each stack pointer address is followed by the size of the |
391 | data in use in that stack, in bytes. */ | |
5af1f549 | 392 | # if YYLSP_NEEDED |
be4bf877 RS |
393 | /* This used to be a conditional around just the two extra args, |
394 | but that might be undefined if yyoverflow is a macro. */ | |
bb10be54 AD |
395 | yyoverflow ("parser stack overflow", |
396 | &yyss1, size * sizeof (*yyssp), | |
397 | &yyvs1, size * sizeof (*yyvsp), | |
398 | &yyls1, size * sizeof (*yylsp), | |
399 | &yystacksize); | |
b07b484a | 400 | # else |
bb10be54 AD |
401 | yyoverflow ("parser stack overflow", |
402 | &yyss1, size * sizeof (*yyssp), | |
403 | &yyvs1, size * sizeof (*yyvsp), | |
404 | &yystacksize); | |
b07b484a | 405 | # endif |
10fa2066 RS |
406 | |
407 | yyss = yyss1; yyvs = yyvs1; | |
5af1f549 | 408 | # if YYLSP_NEEDED |
10fa2066 | 409 | yyls = yyls1; |
b07b484a | 410 | # endif |
10fa2066 RS |
411 | #else /* no yyoverflow */ |
412 | /* Extend the stack our own way. */ | |
413 | if (yystacksize >= YYMAXDEPTH) | |
414 | { | |
71da9eea | 415 | yyerror ("parser stack overflow"); |
70ddf897 RS |
416 | if (yyfree_stacks) |
417 | { | |
418 | free (yyss); | |
419 | free (yyvs); | |
5af1f549 | 420 | # if YYLSP_NEEDED |
70ddf897 | 421 | free (yyls); |
b07b484a | 422 | # endif |
70ddf897 | 423 | } |
10fa2066 RS |
424 | return 2; |
425 | } | |
426 | yystacksize *= 2; | |
427 | if (yystacksize > YYMAXDEPTH) | |
428 | yystacksize = YYMAXDEPTH; | |
b07b484a | 429 | # ifndef YYSTACK_USE_ALLOCA |
70ddf897 | 430 | yyfree_stacks = 1; |
b07b484a | 431 | # endif |
70ddf897 | 432 | yyss = (short *) YYSTACK_ALLOC (yystacksize * sizeof (*yyssp)); |
5e02f2ad RS |
433 | __yy_memcpy ((char *)yyss, (char *)yyss1, |
434 | size * (unsigned int) sizeof (*yyssp)); | |
70ddf897 | 435 | yyvs = (YYSTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yyvsp)); |
5e02f2ad RS |
436 | __yy_memcpy ((char *)yyvs, (char *)yyvs1, |
437 | size * (unsigned int) sizeof (*yyvsp)); | |
5af1f549 | 438 | # if YYLSP_NEEDED |
70ddf897 | 439 | yyls = (YYLTYPE *) YYSTACK_ALLOC (yystacksize * sizeof (*yylsp)); |
5e02f2ad RS |
440 | __yy_memcpy ((char *)yyls, (char *)yyls1, |
441 | size * (unsigned int) sizeof (*yylsp)); | |
b07b484a | 442 | # endif |
10fa2066 RS |
443 | #endif /* no yyoverflow */ |
444 | ||
445 | yyssp = yyss + size - 1; | |
446 | yyvsp = yyvs + size - 1; | |
5af1f549 | 447 | #if YYLSP_NEEDED |
10fa2066 RS |
448 | yylsp = yyls + size - 1; |
449 | #endif | |
450 | ||
5a35a6cb | 451 | YYDPRINTF ((stderr, "Stack size increased to %d\n", yystacksize)); |
10fa2066 RS |
452 | |
453 | if (yyssp >= yyss + yystacksize - 1) | |
454 | YYABORT; | |
455 | } | |
456 | ||
5a35a6cb | 457 | YYDPRINTF ((stderr, "Entering state %d\n", yystate)); |
10fa2066 RS |
458 | |
459 | goto yybackup; | |
71da9eea AD |
460 | |
461 | ||
462 | /*-----------. | |
463 | | yybackup. | | |
464 | `-----------*/ | |
465 | yybackup: | |
10fa2066 RS |
466 | |
467 | /* Do appropriate processing given the current state. */ | |
468 | /* Read a lookahead token if we need one and don't already have one. */ | |
469 | /* yyresume: */ | |
470 | ||
471 | /* First try to decide what to do without reference to lookahead token. */ | |
472 | ||
473 | yyn = yypact[yystate]; | |
474 | if (yyn == YYFLAG) | |
475 | goto yydefault; | |
476 | ||
477 | /* Not known => get a lookahead token if don't already have one. */ | |
478 | ||
479 | /* yychar is either YYEMPTY or YYEOF | |
480 | or a valid token in external form. */ | |
481 | ||
482 | if (yychar == YYEMPTY) | |
483 | { | |
5a35a6cb | 484 | YYDPRINTF ((stderr, "Reading a token: ")); |
10fa2066 RS |
485 | yychar = YYLEX; |
486 | } | |
487 | ||
488 | /* Convert token to internal form (in yychar1) for indexing tables with */ | |
489 | ||
490 | if (yychar <= 0) /* This means end of input. */ | |
491 | { | |
492 | yychar1 = 0; | |
493 | yychar = YYEOF; /* Don't call YYLEX any more */ | |
494 | ||
5a35a6cb | 495 | YYDPRINTF ((stderr, "Now at end of input.\n")); |
10fa2066 RS |
496 | } |
497 | else | |
498 | { | |
71da9eea | 499 | yychar1 = YYTRANSLATE (yychar); |
10fa2066 | 500 | |
0d533154 AD |
501 | #if YYDEBUG |
502 | /* We have to keep this `#if YYDEBUG', since we use variables | |
503 | which are defined only if `YYDEBUG' is set. */ | |
10fa2066 RS |
504 | if (yydebug) |
505 | { | |
506 | fprintf (stderr, "Next token is %d (%s", yychar, yytname[yychar1]); | |
0d533154 AD |
507 | /* Give the individual parser a way to print the precise |
508 | meaning of a token, for further debugging info. */ | |
b07b484a | 509 | # ifdef YYPRINT |
10fa2066 | 510 | YYPRINT (stderr, yychar, yylval); |
b07b484a | 511 | # endif |
10fa2066 RS |
512 | fprintf (stderr, ")\n"); |
513 | } | |
0d533154 | 514 | #endif |
10fa2066 RS |
515 | } |
516 | ||
517 | yyn += yychar1; | |
518 | if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != yychar1) | |
519 | goto yydefault; | |
520 | ||
521 | yyn = yytable[yyn]; | |
522 | ||
523 | /* yyn is what to do for this token type in this state. | |
524 | Negative => reduce, -yyn is rule number. | |
525 | Positive => shift, yyn is new state. | |
526 | New state is final state => don't bother to shift, | |
527 | just return success. | |
528 | 0, or most negative number => error. */ | |
529 | ||
530 | if (yyn < 0) | |
531 | { | |
532 | if (yyn == YYFLAG) | |
533 | goto yyerrlab; | |
534 | yyn = -yyn; | |
535 | goto yyreduce; | |
536 | } | |
537 | else if (yyn == 0) | |
538 | goto yyerrlab; | |
539 | ||
540 | if (yyn == YYFINAL) | |
541 | YYACCEPT; | |
542 | ||
543 | /* Shift the lookahead token. */ | |
5a35a6cb | 544 | YYDPRINTF ((stderr, "Shifting token %d (%s), ", yychar, yytname[yychar1])); |
10fa2066 RS |
545 | |
546 | /* Discard the token being shifted unless it is eof. */ | |
547 | if (yychar != YYEOF) | |
548 | yychar = YYEMPTY; | |
549 | ||
550 | *++yyvsp = yylval; | |
5af1f549 | 551 | #if YYLSP_NEEDED |
10fa2066 RS |
552 | *++yylsp = yylloc; |
553 | #endif | |
554 | ||
71da9eea AD |
555 | /* Count tokens shifted since error; after three, turn off error |
556 | status. */ | |
557 | if (yyerrstatus) | |
558 | yyerrstatus--; | |
10fa2066 RS |
559 | |
560 | yystate = yyn; | |
561 | goto yynewstate; | |
562 | ||
10fa2066 | 563 | |
71da9eea AD |
564 | /*-----------------------------------------------------------. |
565 | | yydefault -- do the default action for the current state. | | |
566 | `-----------------------------------------------------------*/ | |
567 | yydefault: | |
10fa2066 RS |
568 | yyn = yydefact[yystate]; |
569 | if (yyn == 0) | |
570 | goto yyerrlab; | |
71da9eea | 571 | goto yyreduce; |
10fa2066 | 572 | |
71da9eea AD |
573 | |
574 | /*-----------------------------. | |
575 | | yyreduce -- Do a reduction. | | |
576 | `-----------------------------*/ | |
10fa2066 | 577 | yyreduce: |
71da9eea | 578 | /* yyn is the number of a rule to reduce with. */ |
10fa2066 | 579 | yylen = yyr2[yyn]; |
da9abf43 AD |
580 | |
581 | /* If YYLEN is nonzero, implement the default value of the action: | |
573c1d9f | 582 | `$$ = $1'. |
da9abf43 AD |
583 | |
584 | Otherwise, the following line sets YYVAL to the semantic value of | |
585 | the lookahead token. This behavior is undocumented and Bison | |
586 | users should not rely upon it. Assigning to YYVAL | |
587 | unconditionally makes the parser a bit smaller, and it avoids a | |
588 | GCC warning that YYVAL may be used uninitialized. */ | |
589 | yyval = yyvsp[1-yylen]; | |
3abcd459 | 590 | |
5af1f549 | 591 | #if YYLSP_NEEDED |
3abcd459 AD |
592 | /* Similarly for the default location. Let the user run additional |
593 | commands if for instance locations are ranges. */ | |
594 | yyloc = yylsp[1-yylen]; | |
595 | YYLLOC_DEFAULT (yyloc, yylsp[0]); | |
6666f98f | 596 | #endif |
10fa2066 | 597 | |
0de741ca AD |
598 | #if YYDEBUG |
599 | /* We have to keep this `#if YYDEBUG', since we use variables which | |
600 | are defined only if `YYDEBUG' is set. */ | |
10fa2066 RS |
601 | if (yydebug) |
602 | { | |
603 | int i; | |
604 | ||
605 | fprintf (stderr, "Reducing via rule %d (line %d), ", | |
606 | yyn, yyrline[yyn]); | |
607 | ||
608 | /* Print the symbols being reduced, and their result. */ | |
609 | for (i = yyprhs[yyn]; yyrhs[i] > 0; i++) | |
610 | fprintf (stderr, "%s ", yytname[yyrhs[i]]); | |
611 | fprintf (stderr, " -> %s\n", yytname[yyr1[yyn]]); | |
612 | } | |
613 | #endif | |
573c1d9f | 614 | %% actions /* The action file replaces this line. */ |
dc08c1d5 | 615 | #line |
10fa2066 RS |
616 | \f |
617 | yyvsp -= yylen; | |
618 | yyssp -= yylen; | |
5af1f549 | 619 | #if YYLSP_NEEDED |
10fa2066 RS |
620 | yylsp -= yylen; |
621 | #endif | |
622 | ||
5a35a6cb | 623 | #if YYDEBUG |
10fa2066 RS |
624 | if (yydebug) |
625 | { | |
626 | short *ssp1 = yyss - 1; | |
627 | fprintf (stderr, "state stack now"); | |
628 | while (ssp1 != yyssp) | |
629 | fprintf (stderr, " %d", *++ssp1); | |
630 | fprintf (stderr, "\n"); | |
631 | } | |
5a35a6cb | 632 | #endif |
10fa2066 RS |
633 | |
634 | *++yyvsp = yyval; | |
5af1f549 | 635 | #if YYLSP_NEEDED |
6666f98f | 636 | *++yylsp = yyloc; |
10fa2066 RS |
637 | #endif |
638 | ||
41aca2e0 AD |
639 | /* Now `shift' the result of the reduction. Determine what state |
640 | that goes to, based on the state we popped back to and the rule | |
641 | number reduced by. */ | |
10fa2066 RS |
642 | |
643 | yyn = yyr1[yyn]; | |
644 | ||
645 | yystate = yypgoto[yyn - YYNTBASE] + *yyssp; | |
646 | if (yystate >= 0 && yystate <= YYLAST && yycheck[yystate] == *yyssp) | |
647 | yystate = yytable[yystate]; | |
648 | else | |
649 | yystate = yydefgoto[yyn - YYNTBASE]; | |
650 | ||
651 | goto yynewstate; | |
652 | ||
10fa2066 | 653 | |
71da9eea AD |
654 | /*------------------------------------. |
655 | | yyerrlab -- here on detecting error | | |
656 | `------------------------------------*/ | |
657 | yyerrlab: | |
658 | /* If not already recovering from an error, report this error. */ | |
659 | if (!yyerrstatus) | |
10fa2066 RS |
660 | { |
661 | ++yynerrs; | |
662 | ||
663 | #ifdef YYERROR_VERBOSE | |
664 | yyn = yypact[yystate]; | |
665 | ||
666 | if (yyn > YYFLAG && yyn < YYLAST) | |
667 | { | |
668 | int size = 0; | |
669 | char *msg; | |
670 | int x, count; | |
671 | ||
672 | count = 0; | |
673 | /* Start X at -yyn if nec to avoid negative indexes in yycheck. */ | |
674 | for (x = (yyn < 0 ? -yyn : 0); | |
3419715d | 675 | x < (int) (sizeof (yytname) / sizeof (char *)); x++) |
10fa2066 | 676 | if (yycheck[x + yyn] == x) |
71da9eea | 677 | size += strlen (yytname[x]) + 15, count++; |
75bbe78d AD |
678 | size += strlen ("parse error, unexpected `") + 1; |
679 | size += strlen (yytname[YYTRANSLATE (yychar)]); | |
680 | msg = (char *) malloc (size); | |
10fa2066 RS |
681 | if (msg != 0) |
682 | { | |
75bbe78d AD |
683 | strcpy (msg, "parse error, unexpected `"); |
684 | strcat (msg, yytname[YYTRANSLATE (yychar)]); | |
685 | strcat (msg, "'"); | |
10fa2066 RS |
686 | |
687 | if (count < 5) | |
688 | { | |
689 | count = 0; | |
690 | for (x = (yyn < 0 ? -yyn : 0); | |
3419715d | 691 | x < (int) (sizeof (yytname) / sizeof (char *)); x++) |
10fa2066 RS |
692 | if (yycheck[x + yyn] == x) |
693 | { | |
75bbe78d AD |
694 | strcat (msg, count == 0 ? ", expecting `" : " or `"); |
695 | strcat (msg, yytname[x]); | |
696 | strcat (msg, "'"); | |
10fa2066 RS |
697 | count++; |
698 | } | |
699 | } | |
75bbe78d AD |
700 | yyerror (msg); |
701 | free (msg); | |
10fa2066 RS |
702 | } |
703 | else | |
704 | yyerror ("parse error; also virtual memory exceeded"); | |
705 | } | |
706 | else | |
707 | #endif /* YYERROR_VERBOSE */ | |
75bbe78d | 708 | yyerror ("parse error"); |
10fa2066 | 709 | } |
10fa2066 | 710 | goto yyerrlab1; |
10fa2066 | 711 | |
71da9eea AD |
712 | |
713 | /*--------------------------------------------------. | |
714 | | yyerrlab1 -- error raised explicitly by an action | | |
715 | `--------------------------------------------------*/ | |
716 | yyerrlab1: | |
10fa2066 RS |
717 | if (yyerrstatus == 3) |
718 | { | |
71da9eea AD |
719 | /* If just tried and failed to reuse lookahead token after an |
720 | error, discard it. */ | |
10fa2066 RS |
721 | |
722 | /* return failure if at end of input */ | |
723 | if (yychar == YYEOF) | |
724 | YYABORT; | |
5a35a6cb AD |
725 | YYDPRINTF ((stderr, "Discarding token %d (%s).\n", |
726 | yychar, yytname[yychar1])); | |
10fa2066 RS |
727 | yychar = YYEMPTY; |
728 | } | |
729 | ||
71da9eea AD |
730 | /* Else will try to reuse lookahead token after shifting the error |
731 | token. */ | |
10fa2066 RS |
732 | |
733 | yyerrstatus = 3; /* Each real token shifted decrements this */ | |
734 | ||
735 | goto yyerrhandle; | |
736 | ||
10fa2066 | 737 | |
71da9eea AD |
738 | /*-------------------------------------------------------------------. |
739 | | yyerrdefault -- current state does not do anything special for the | | |
740 | | error token. | | |
741 | `-------------------------------------------------------------------*/ | |
742 | yyerrdefault: | |
10fa2066 RS |
743 | #if 0 |
744 | /* This is wrong; only states that explicitly want error tokens | |
745 | should shift them. */ | |
71da9eea AD |
746 | |
747 | /* If its default is to accept any token, ok. Otherwise pop it. */ | |
748 | yyn = yydefact[yystate]; | |
749 | if (yyn) | |
750 | goto yydefault; | |
10fa2066 RS |
751 | #endif |
752 | ||
10fa2066 | 753 | |
71da9eea AD |
754 | /*---------------------------------------------------------------. |
755 | | yyerrpop -- pop the current state because it cannot handle the | | |
756 | | error token | | |
757 | `---------------------------------------------------------------*/ | |
758 | yyerrpop: | |
759 | if (yyssp == yyss) | |
760 | YYABORT; | |
10fa2066 RS |
761 | yyvsp--; |
762 | yystate = *--yyssp; | |
5af1f549 | 763 | #if YYLSP_NEEDED |
10fa2066 RS |
764 | yylsp--; |
765 | #endif | |
766 | ||
5a35a6cb | 767 | #if YYDEBUG |
10fa2066 RS |
768 | if (yydebug) |
769 | { | |
770 | short *ssp1 = yyss - 1; | |
771 | fprintf (stderr, "Error: state stack now"); | |
772 | while (ssp1 != yyssp) | |
773 | fprintf (stderr, " %d", *++ssp1); | |
774 | fprintf (stderr, "\n"); | |
775 | } | |
5a35a6cb | 776 | #endif |
10fa2066 | 777 | |
71da9eea AD |
778 | /*--------------. |
779 | | yyerrhandle. | | |
780 | `--------------*/ | |
781 | yyerrhandle: | |
10fa2066 RS |
782 | yyn = yypact[yystate]; |
783 | if (yyn == YYFLAG) | |
784 | goto yyerrdefault; | |
785 | ||
786 | yyn += YYTERROR; | |
787 | if (yyn < 0 || yyn > YYLAST || yycheck[yyn] != YYTERROR) | |
788 | goto yyerrdefault; | |
789 | ||
790 | yyn = yytable[yyn]; | |
791 | if (yyn < 0) | |
792 | { | |
793 | if (yyn == YYFLAG) | |
794 | goto yyerrpop; | |
795 | yyn = -yyn; | |
796 | goto yyreduce; | |
797 | } | |
798 | else if (yyn == 0) | |
799 | goto yyerrpop; | |
800 | ||
801 | if (yyn == YYFINAL) | |
802 | YYACCEPT; | |
803 | ||
5a35a6cb | 804 | YYDPRINTF ((stderr, "Shifting error token, ")); |
10fa2066 RS |
805 | |
806 | *++yyvsp = yylval; | |
5af1f549 | 807 | #if YYLSP_NEEDED |
10fa2066 RS |
808 | *++yylsp = yylloc; |
809 | #endif | |
810 | ||
811 | yystate = yyn; | |
812 | goto yynewstate; | |
70ddf897 | 813 | |
71da9eea AD |
814 | |
815 | /*-------------------------------------. | |
816 | | yyacceptlab -- YYACCEPT comes here. | | |
817 | `-------------------------------------*/ | |
818 | yyacceptlab: | |
70ddf897 RS |
819 | if (yyfree_stacks) |
820 | { | |
821 | free (yyss); | |
822 | free (yyvs); | |
5af1f549 | 823 | #if YYLSP_NEEDED |
70ddf897 RS |
824 | free (yyls); |
825 | #endif | |
826 | } | |
827 | return 0; | |
828 | ||
71da9eea AD |
829 | |
830 | /*-----------------------------------. | |
831 | | yyabortlab -- YYABORT comes here. | | |
832 | `-----------------------------------*/ | |
833 | yyabortlab: | |
70ddf897 RS |
834 | if (yyfree_stacks) |
835 | { | |
836 | free (yyss); | |
837 | free (yyvs); | |
5af1f549 | 838 | #if YYLSP_NEEDED |
70ddf897 RS |
839 | free (yyls); |
840 | #endif | |
841 | } | |
842 | return 1; | |
10fa2066 | 843 | } |