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* src/state.h (state_number_t, STATE_NUMBER_MAX): New.
[bison.git] / src / scan-gram.c
1 #define yy_create_buffer gram__create_buffer
2 #define yy_delete_buffer gram__delete_buffer
3 #define yy_scan_buffer gram__scan_buffer
4 #define yy_scan_string gram__scan_string
5 #define yy_scan_bytes gram__scan_bytes
6 #define yy_flex_debug gram__flex_debug
7 #define yy_init_buffer gram__init_buffer
8 #define yy_flush_buffer gram__flush_buffer
9 #define yy_load_buffer_state gram__load_buffer_state
10 #define yy_switch_to_buffer gram__switch_to_buffer
11 #define yyin gram_in
12 #define yyleng gram_leng
13 #define yylex gram_lex
14 #define yyout gram_out
15 #define yyrestart gram_restart
16 #define yytext gram_text
17
18 #line 19 "scan-gram.c"
19 /* A lexical scanner generated by flex */
20
21 /* Scanner skeleton version:
22 * $Header$
23 */
24
25 #define FLEX_SCANNER
26 #define YY_FLEX_MAJOR_VERSION 2
27 #define YY_FLEX_MINOR_VERSION 5
28
29 #include <stdio.h>
30
31
32 /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */
33 #ifdef c_plusplus
34 #ifndef __cplusplus
35 #define __cplusplus
36 #endif
37 #endif
38
39
40 #ifdef __cplusplus
41
42 #include <stdlib.h>
43 #include <unistd.h>
44
45 /* Use prototypes in function declarations. */
46 #define YY_USE_PROTOS
47
48 /* The "const" storage-class-modifier is valid. */
49 #define YY_USE_CONST
50
51 #else /* ! __cplusplus */
52
53 #if __STDC__
54
55 #define YY_USE_PROTOS
56 #define YY_USE_CONST
57
58 #endif /* __STDC__ */
59 #endif /* ! __cplusplus */
60
61 #ifdef __TURBOC__
62 #pragma warn -rch
63 #pragma warn -use
64 #include <io.h>
65 #include <stdlib.h>
66 #define YY_USE_CONST
67 #define YY_USE_PROTOS
68 #endif
69
70 #ifdef YY_USE_CONST
71 #define yyconst const
72 #else
73 #define yyconst
74 #endif
75
76
77 #ifdef YY_USE_PROTOS
78 #define YY_PROTO(proto) proto
79 #else
80 #define YY_PROTO(proto) ()
81 #endif
82
83 /* Returned upon end-of-file. */
84 #define YY_NULL 0
85
86 /* Promotes a possibly negative, possibly signed char to an unsigned
87 * integer for use as an array index. If the signed char is negative,
88 * we want to instead treat it as an 8-bit unsigned char, hence the
89 * double cast.
90 */
91 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
92
93 /* Enter a start condition. This macro really ought to take a parameter,
94 * but we do it the disgusting crufty way forced on us by the ()-less
95 * definition of BEGIN.
96 */
97 #define BEGIN yy_start = 1 + 2 *
98
99 /* Translate the current start state into a value that can be later handed
100 * to BEGIN to return to the state. The YYSTATE alias is for lex
101 * compatibility.
102 */
103 #define YY_START ((yy_start - 1) / 2)
104 #define YYSTATE YY_START
105
106 /* Action number for EOF rule of a given start state. */
107 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
108
109 /* Special action meaning "start processing a new file". */
110 #define YY_NEW_FILE yyrestart( yyin )
111
112 #define YY_END_OF_BUFFER_CHAR 0
113
114 /* Size of default input buffer. */
115 #define YY_BUF_SIZE 16384
116
117 typedef struct yy_buffer_state *YY_BUFFER_STATE;
118
119 extern int yyleng;
120 extern FILE *yyin, *yyout;
121
122 #define EOB_ACT_CONTINUE_SCAN 0
123 #define EOB_ACT_END_OF_FILE 1
124 #define EOB_ACT_LAST_MATCH 2
125
126 /* The funky do-while in the following #define is used to turn the definition
127 * int a single C statement (which needs a semi-colon terminator). This
128 * avoids problems with code like:
129 *
130 * if ( condition_holds )
131 * yyless( 5 );
132 * else
133 * do_something_else();
134 *
135 * Prior to using the do-while the compiler would get upset at the
136 * "else" because it interpreted the "if" statement as being all
137 * done when it reached the ';' after the yyless() call.
138 */
139
140 /* Return all but the first 'n' matched characters back to the input stream. */
141
142 #define yyless(n) \
143 do \
144 { \
145 /* Undo effects of setting up yytext. */ \
146 *yy_cp = yy_hold_char; \
147 YY_RESTORE_YY_MORE_OFFSET \
148 yy_c_buf_p = yy_cp = yy_bp + n - YY_MORE_ADJ; \
149 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
150 } \
151 while ( 0 )
152
153 #define unput(c) yyunput( c, yytext_ptr )
154
155 /* The following is because we cannot portably get our hands on size_t
156 * (without autoconf's help, which isn't available because we want
157 * flex-generated scanners to compile on their own).
158 */
159 typedef unsigned int yy_size_t;
160
161
162 struct yy_buffer_state
163 {
164 FILE *yy_input_file;
165
166 char *yy_ch_buf; /* input buffer */
167 char *yy_buf_pos; /* current position in input buffer */
168
169 /* Size of input buffer in bytes, not including room for EOB
170 * characters.
171 */
172 yy_size_t yy_buf_size;
173
174 /* Number of characters read into yy_ch_buf, not including EOB
175 * characters.
176 */
177 int yy_n_chars;
178
179 /* Whether we "own" the buffer - i.e., we know we created it,
180 * and can realloc() it to grow it, and should free() it to
181 * delete it.
182 */
183 int yy_is_our_buffer;
184
185 /* Whether this is an "interactive" input source; if so, and
186 * if we're using stdio for input, then we want to use getc()
187 * instead of fread(), to make sure we stop fetching input after
188 * each newline.
189 */
190 int yy_is_interactive;
191
192 /* Whether we're considered to be at the beginning of a line.
193 * If so, '^' rules will be active on the next match, otherwise
194 * not.
195 */
196 int yy_at_bol;
197
198 /* Whether to try to fill the input buffer when we reach the
199 * end of it.
200 */
201 int yy_fill_buffer;
202
203 int yy_buffer_status;
204 #define YY_BUFFER_NEW 0
205 #define YY_BUFFER_NORMAL 1
206 /* When an EOF's been seen but there's still some text to process
207 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
208 * shouldn't try reading from the input source any more. We might
209 * still have a bunch of tokens to match, though, because of
210 * possible backing-up.
211 *
212 * When we actually see the EOF, we change the status to "new"
213 * (via yyrestart()), so that the user can continue scanning by
214 * just pointing yyin at a new input file.
215 */
216 #define YY_BUFFER_EOF_PENDING 2
217 };
218
219 static YY_BUFFER_STATE yy_current_buffer = 0;
220
221 /* We provide macros for accessing buffer states in case in the
222 * future we want to put the buffer states in a more general
223 * "scanner state".
224 */
225 #define YY_CURRENT_BUFFER yy_current_buffer
226
227
228 /* yy_hold_char holds the character lost when yytext is formed. */
229 static char yy_hold_char;
230
231 static int yy_n_chars; /* number of characters read into yy_ch_buf */
232
233
234 int yyleng;
235
236 /* Points to current character in buffer. */
237 static char *yy_c_buf_p = (char *) 0;
238 static int yy_init = 1; /* whether we need to initialize */
239 static int yy_start = 0; /* start state number */
240
241 /* Flag which is used to allow yywrap()'s to do buffer switches
242 * instead of setting up a fresh yyin. A bit of a hack ...
243 */
244 static int yy_did_buffer_switch_on_eof;
245
246 void yyrestart YY_PROTO(( FILE *input_file ));
247
248 void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer ));
249 void yy_load_buffer_state YY_PROTO(( void ));
250 YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size ));
251 void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b ));
252 void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file ));
253 void yy_flush_buffer YY_PROTO(( YY_BUFFER_STATE b ));
254 #define YY_FLUSH_BUFFER yy_flush_buffer( yy_current_buffer )
255
256 YY_BUFFER_STATE yy_scan_buffer YY_PROTO(( char *base, yy_size_t size ));
257 YY_BUFFER_STATE yy_scan_string YY_PROTO(( yyconst char *yy_str ));
258 YY_BUFFER_STATE yy_scan_bytes YY_PROTO(( yyconst char *bytes, int len ));
259
260 static void *yy_flex_alloc YY_PROTO(( yy_size_t ));
261 static void *yy_flex_realloc YY_PROTO(( void *, yy_size_t ));
262 static void yy_flex_free YY_PROTO(( void * ));
263
264 #define yy_new_buffer yy_create_buffer
265
266 #define yy_set_interactive(is_interactive) \
267 { \
268 if ( ! yy_current_buffer ) \
269 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
270 yy_current_buffer->yy_is_interactive = is_interactive; \
271 }
272
273 #define yy_set_bol(at_bol) \
274 { \
275 if ( ! yy_current_buffer ) \
276 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); \
277 yy_current_buffer->yy_at_bol = at_bol; \
278 }
279
280 #define YY_AT_BOL() (yy_current_buffer->yy_at_bol)
281
282
283 #define yywrap() 1
284 #define YY_SKIP_YYWRAP
285
286 #define FLEX_DEBUG
287 typedef unsigned char YY_CHAR;
288 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
289 typedef int yy_state_type;
290
291 #define FLEX_DEBUG
292 extern char *yytext;
293 #define yytext_ptr yytext
294
295 static yy_state_type yy_get_previous_state YY_PROTO(( void ));
296 static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state ));
297 static int yy_get_next_buffer YY_PROTO(( void ));
298 static void yy_fatal_error YY_PROTO(( yyconst char msg[] ));
299
300 /* Done after the current pattern has been matched and before the
301 * corresponding action - sets up yytext.
302 */
303 #define YY_DO_BEFORE_ACTION \
304 yytext_ptr = yy_bp; \
305 yyleng = (int) (yy_cp - yy_bp); \
306 yy_hold_char = *yy_cp; \
307 *yy_cp = '\0'; \
308 yy_c_buf_p = yy_cp;
309
310 #define YY_NUM_RULES 101
311 #define YY_END_OF_BUFFER 102
312 static yyconst short int yy_accept[380] =
313 { 0,
314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
315 0, 0, 0, 0, 0, 0, 0, 0, 102, 49,
316 38, 37, 37, 42, 49, 41, 39, 49, 40, 34,
317 36, 49, 33, 46, 35, 53, 54, 54, 55, 50,
318 51, 80, 83, 83, 79, 50, 82, 51, 75, 78,
319 78, 74, 77, 57, 58, 58, 56, 73, 60, 61,
320 61, 59, 93, 94, 94, 85, 95, 84, 88, 95,
321 50, 51, 90, 89, 97, 99, 99, 85, 98, 84,
322 88, 100, 100, 100, 85, 84, 88, 38, 37, 37,
323 37, 37, 48, 0, 0, 0, 0, 0, 0, 0,
324
325 0, 0, 0, 0, 0, 0, 0, 0, 0, 45,
326 39, 43, 44, 40, 0, 53, 54, 54, 54, 54,
327 52, 80, 83, 83, 83, 83, 81, 75, 78, 78,
328 78, 78, 76, 57, 58, 58, 58, 58, 72, 71,
329 72, 64, 65, 66, 67, 68, 69, 70, 72, 61,
330 61, 61, 61, 93, 94, 94, 94, 94, 91, 0,
331 91, 0, 86, 87, 92, 0, 92, 97, 99, 99,
332 99, 99, 96, 100, 100, 100, 100, 100, 86, 87,
333 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
334 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
335
336 0, 0, 0, 0, 0, 44, 47, 0, 0, 0,
337 87, 87, 87, 0, 0, 0, 0, 0, 0, 0,
338 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
339 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
340 0, 0, 0, 62, 63, 0, 0, 0, 0, 0,
341 0, 0, 0, 0, 0, 0, 12, 0, 0, 0,
342 0, 0, 0, 0, 20, 0, 0, 0, 0, 0,
343 26, 0, 29, 0, 0, 32, 0, 2, 0, 0,
344 6, 0, 0, 0, 0, 0, 0, 14, 0, 0,
345 0, 18, 0, 0, 0, 23, 0, 25, 27, 30,
346
347 0, 1, 3, 0, 0, 8, 0, 0, 0, 0,
348 0, 0, 0, 19, 0, 0, 0, 0, 0, 4,
349 0, 0, 0, 0, 0, 0, 0, 0, 0, 21,
350 0, 0, 0, 31, 0, 0, 0, 0, 0, 0,
351 0, 16, 17, 0, 24, 0, 0, 0, 0, 0,
352 0, 13, 0, 0, 0, 5, 0, 0, 0, 11,
353 0, 0, 0, 0, 9, 0, 15, 22, 28, 0,
354 0, 7, 0, 0, 0, 0, 0, 10, 0
355 } ;
356
357 static yyconst int yy_ec[256] =
358 { 0,
359 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
360 1, 2, 4, 1, 1, 1, 1, 1, 1, 1,
361 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
362 1, 2, 1, 5, 1, 6, 7, 1, 8, 1,
363 1, 9, 1, 1, 10, 11, 12, 13, 13, 13,
364 13, 13, 13, 13, 13, 14, 14, 15, 16, 17,
365 18, 19, 1, 20, 21, 21, 21, 21, 21, 21,
366 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
367 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
368 22, 23, 24, 1, 25, 1, 26, 27, 28, 29,
369
370 30, 31, 32, 33, 34, 11, 35, 36, 37, 38,
371 39, 40, 11, 41, 42, 43, 44, 45, 11, 46,
372 47, 11, 48, 49, 50, 1, 1, 1, 1, 1,
373 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
374 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
375 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
376 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
377 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
378 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
379 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
380
381 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
382 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
383 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
384 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
385 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
386 1, 1, 1, 1, 1
387 } ;
388
389 static yyconst int yy_meta[51] =
390 { 0,
391 1, 1, 2, 3, 4, 5, 6, 7, 8, 1,
392 9, 10, 11, 11, 1, 1, 1, 1, 12, 5,
393 11, 13, 14, 13, 9, 11, 11, 11, 11, 11,
394 11, 9, 9, 9, 9, 9, 9, 9, 9, 9,
395 9, 9, 9, 9, 9, 9, 9, 5, 1, 5
396 } ;
397
398 static yyconst short int yy_base[406] =
399 { 0,
400 0, 0, 48, 51, 58, 61, 83, 86, 73, 94,
401 108, 110, 131, 179, 227, 249, 116, 142, 839, 840,
402 836, 55, 64, 840, 267, 840, 0, 44, 79, 840,
403 840, 0, 840, 840, 840, 0, 97, 99, 825, 840,
404 840, 0, 119, 122, 840, 840, 0, 840, 0, 126,
405 138, 840, 0, 0, 145, 153, 840, 311, 840, 155,
406 157, 840, 0, 159, 164, 840, 159, 840, 62, 164,
407 840, 840, 840, 840, 0, 185, 189, 840, 786, 840,
408 185, 192, 201, 203, 205, 207, 209, 833, 211, 213,
409 216, 219, 840, 800, 39, 86, 799, 796, 65, 801,
410
411 198, 786, 184, 795, 109, 203, 790, 797, 800, 840,
412 0, 840, 0, 230, 806, 0, 242, 244, 255, 259,
413 840, 0, 261, 263, 265, 272, 840, 0, 274, 276,
414 278, 280, 840, 0, 282, 284, 286, 288, 840, 840,
415 811, 840, 840, 840, 840, 840, 840, 840, 0, 297,
416 314, 316, 318, 0, 322, 324, 326, 328, 840, 322,
417 326, 0, 840, 0, 840, 330, 332, 0, 344, 347,
418 355, 357, 840, 359, 361, 363, 365, 367, 369, 371,
419 785, 144, 781, 780, 780, 144, 778, 787, 789, 775,
420 778, 366, 784, 770, 168, 771, 779, 780, 783, 767,
421
422 772, 766, 771, 763, 775, 0, 840, 789, 0, 782,
423 0, 374, 377, 774, 755, 764, 754, 766, 756, 764,
424 763, 762, 230, 748, 764, 757, 758, 751, 760, 744,
425 744, 755, 744, 751, 747, 743, 737, 740, 746, 745,
426 735, 746, 744, 840, 840, 373, 730, 738, 731, 727,
427 739, 725, 737, 754, 734, 722, 840, 718, 730, 372,
428 725, 716, 720, 712, 840, 712, 375, 711, 723, 709,
429 840, 713, 840, 712, 710, 840, 701, 840, 717, 702,
430 840, 378, 702, 704, 380, 717, 708, 840, 701, 702,
431 697, 840, 695, 707, 696, 840, 692, 840, 382, 840,
432
433 692, 840, 691, 704, 686, 840, 689, 690, 687, 688,
434 659, 666, 633, 840, 628, 629, 613, 606, 618, 840,
435 603, 615, 614, 597, 596, 597, 603, 590, 603, 840,
436 589, 567, 578, 840, 564, 541, 547, 534, 523, 510,
437 520, 840, 840, 506, 840, 516, 497, 510, 499, 368,
438 365, 840, 368, 359, 348, 840, 316, 307, 297, 840,
439 287, 282, 283, 260, 840, 252, 840, 840, 840, 263,
440 384, 840, 241, 236, 224, 196, 158, 840, 840, 409,
441 423, 437, 451, 465, 479, 493, 507, 227, 521, 535,
442 549, 561, 575, 587, 601, 614, 628, 642, 656, 670,
443
444 104, 684, 698, 712, 77
445 } ;
446
447 static yyconst short int yy_def[406] =
448 { 0,
449 379, 1, 380, 380, 381, 381, 382, 382, 383, 383,
450 384, 384, 385, 385, 386, 386, 387, 387, 379, 379,
451 379, 379, 379, 379, 379, 379, 388, 379, 379, 379,
452 379, 389, 379, 379, 379, 390, 379, 379, 379, 379,
453 379, 391, 379, 379, 379, 379, 392, 379, 393, 379,
454 379, 379, 394, 395, 379, 379, 379, 396, 379, 379,
455 379, 379, 397, 379, 379, 379, 379, 379, 379, 379,
456 379, 379, 379, 379, 398, 379, 379, 379, 379, 379,
457 379, 399, 399, 399, 399, 399, 399, 379, 379, 379,
458 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
459
460 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
461 388, 379, 400, 379, 389, 390, 379, 379, 379, 379,
462 379, 391, 379, 379, 379, 379, 379, 393, 379, 379,
463 379, 379, 379, 395, 379, 379, 379, 379, 379, 379,
464 379, 379, 379, 379, 379, 379, 379, 379, 401, 379,
465 379, 379, 379, 397, 379, 379, 379, 379, 379, 379,
466 379, 402, 379, 403, 379, 379, 379, 398, 379, 379,
467 379, 379, 379, 399, 399, 399, 399, 399, 399, 404,
468 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
469 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
470
471 379, 379, 379, 379, 379, 400, 379, 379, 405, 402,
472 403, 404, 404, 379, 379, 379, 379, 379, 379, 379,
473 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
474 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
475 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
476 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
477 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
478 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
479 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
480 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
481
482 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
483 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
484 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
485 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
486 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
487 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
488 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
489 379, 379, 379, 379, 379, 379, 379, 379, 0, 379,
490 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
491 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
492
493 379, 379, 379, 379, 379
494 } ;
495
496 static yyconst short int yy_nxt[891] =
497 { 0,
498 20, 21, 22, 23, 24, 20, 25, 26, 20, 20,
499 27, 28, 29, 29, 30, 31, 32, 33, 20, 20,
500 27, 20, 20, 20, 20, 27, 27, 27, 27, 27,
501 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
502 27, 27, 27, 27, 27, 27, 27, 34, 35, 20,
503 37, 38, 112, 37, 38, 113, 39, 89, 90, 39,
504 43, 44, 45, 43, 44, 45, 91, 92, 182, 40,
505 163, 41, 40, 164, 41, 55, 56, 57, 183, 46,
506 47, 48, 46, 47, 48, 50, 51, 245, 50, 51,
507 52, 114, 114, 52, 188, 58, 55, 56, 57, 117,
508
509 118, 119, 120, 189, 46, 53, 48, 46, 53, 48,
510 60, 61, 60, 61, 209, 62, 58, 62, 83, 84,
511 85, 123, 124, 86, 125, 126, 184, 87, 129, 130,
512 58, 185, 58, 64, 65, 66, 67, 46, 68, 48,
513 131, 132, 69, 198, 83, 84, 85, 135, 136, 86,
514 70, 199, 71, 87, 72, 137, 138, 150, 151, 152,
515 153, 155, 156, 46, 159, 48, 157, 158, 160, 165,
516 215, 161, 161, 166, 216, 162, 167, 167, 73, 221,
517 74, 64, 65, 66, 67, 217, 68, 169, 170, 222,
518 69, 171, 172, 163, 175, 176, 164, 232, 70, 378,
519
520 71, 233, 72, 175, 177, 178, 176, 175, 176, 175,
521 176, 175, 176, 89, 90, 91, 92, 179, 89, 90,
522 180, 91, 92, 191, 195, 377, 73, 196, 74, 76,
523 77, 78, 200, 79, 80, 111, 192, 111, 81, 256,
524 193, 201, 114, 114, 117, 118, 119, 120, 46, 202,
525 48, 76, 77, 78, 256, 79, 80, 117, 118, 376,
526 81, 119, 120, 123, 124, 125, 126, 123, 124, 375,
527 46, 374, 48, 93, 125, 126, 129, 130, 131, 132,
528 129, 130, 131, 132, 135, 136, 137, 138, 135, 136,
529 137, 138, 372, 94, 371, 95, 96, 97, 98, 150,
530
531 151, 370, 99, 100, 101, 102, 103, 104, 105, 106,
532 107, 108, 369, 109, 110, 140, 152, 153, 150, 151,
533 152, 153, 368, 141, 155, 156, 157, 158, 155, 156,
534 157, 158, 367, 140, 161, 161, 142, 143, 161, 161,
535 366, 144, 167, 167, 167, 167, 169, 170, 145, 171,
536 172, 146, 365, 147, 364, 148, 149, 169, 170, 171,
537 172, 175, 176, 175, 177, 178, 176, 178, 176, 175,
538 177, 175, 176, 175, 213, 228, 175, 213, 159, 178,
539 213, 289, 160, 363, 295, 161, 161, 305, 362, 308,
540 228, 318, 211, 373, 211, 211, 289, 211, 211, 295,
541
542 211, 361, 305, 229, 308, 360, 318, 359, 373, 36,
543 36, 36, 36, 36, 36, 36, 36, 36, 36, 36,
544 36, 36, 36, 42, 42, 42, 42, 42, 42, 42,
545 42, 42, 42, 42, 42, 42, 42, 49, 49, 49,
546 49, 49, 49, 49, 49, 49, 49, 49, 49, 49,
547 49, 54, 54, 54, 54, 54, 54, 54, 54, 54,
548 54, 54, 54, 54, 54, 59, 59, 59, 59, 59,
549 59, 59, 59, 59, 59, 59, 59, 59, 59, 63,
550 63, 63, 63, 63, 63, 63, 63, 63, 63, 63,
551 63, 63, 63, 75, 75, 75, 75, 75, 75, 75,
552
553 75, 75, 75, 75, 75, 75, 75, 82, 82, 82,
554 82, 82, 82, 82, 82, 82, 82, 82, 82, 82,
555 82, 115, 115, 115, 115, 115, 115, 115, 115, 115,
556 115, 115, 358, 115, 115, 116, 357, 356, 116, 116,
557 116, 116, 355, 116, 116, 116, 116, 354, 116, 122,
558 353, 352, 351, 122, 122, 122, 122, 122, 122, 122,
559 122, 127, 127, 127, 127, 127, 127, 127, 127, 127,
560 127, 127, 127, 127, 127, 128, 350, 349, 128, 128,
561 128, 348, 128, 128, 128, 128, 128, 133, 133, 133,
562 133, 133, 133, 133, 133, 133, 133, 133, 133, 133,
563
564 133, 134, 347, 346, 345, 134, 134, 134, 134, 134,
565 134, 134, 134, 134, 139, 139, 139, 139, 139, 139,
566 139, 139, 139, 139, 139, 139, 139, 139, 154, 344,
567 343, 342, 341, 154, 340, 154, 154, 339, 154, 154,
568 338, 154, 168, 337, 336, 335, 168, 334, 333, 168,
569 168, 332, 168, 168, 331, 168, 174, 174, 174, 174,
570 174, 174, 174, 174, 174, 174, 174, 174, 330, 174,
571 206, 329, 206, 206, 206, 206, 206, 206, 206, 206,
572 206, 206, 206, 206, 210, 210, 210, 210, 210, 210,
573 210, 210, 210, 210, 210, 328, 210, 210, 211, 327,
574
575 211, 211, 211, 211, 211, 211, 211, 211, 211, 211,
576 211, 211, 212, 212, 212, 212, 212, 212, 212, 212,
577 212, 212, 212, 212, 212, 212, 326, 325, 324, 323,
578 322, 321, 320, 319, 317, 316, 315, 314, 313, 312,
579 311, 310, 309, 307, 306, 304, 303, 302, 301, 300,
580 299, 298, 297, 296, 294, 293, 292, 291, 290, 288,
581 287, 286, 285, 284, 283, 282, 281, 280, 279, 278,
582 277, 276, 275, 274, 273, 272, 271, 270, 269, 268,
583 267, 266, 265, 264, 263, 262, 261, 260, 259, 258,
584 257, 255, 254, 253, 252, 251, 250, 249, 248, 247,
585
586 246, 244, 243, 242, 241, 240, 239, 238, 237, 236,
587 235, 234, 231, 230, 227, 226, 225, 224, 223, 220,
588 219, 218, 214, 208, 207, 205, 204, 203, 197, 194,
589 190, 187, 186, 181, 88, 173, 121, 88, 379, 19,
590 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
591 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
592 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
593 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
594 379, 379, 379, 379, 379, 379, 379, 379, 379, 379
595 } ;
596
597 static yyconst short int yy_chk[891] =
598 { 0,
599 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
600 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
601 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
602 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
603 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
604 3, 3, 28, 4, 4, 28, 3, 22, 22, 4,
605 5, 5, 5, 6, 6, 6, 23, 23, 95, 3,
606 69, 3, 4, 69, 4, 9, 9, 9, 95, 5,
607 5, 5, 6, 6, 6, 7, 7, 405, 8, 8,
608 7, 29, 29, 8, 99, 9, 10, 10, 10, 37,
609
610 37, 38, 38, 99, 7, 7, 7, 8, 8, 8,
611 11, 11, 12, 12, 401, 11, 10, 12, 17, 17,
612 17, 43, 43, 17, 44, 44, 96, 17, 50, 50,
613 11, 96, 12, 13, 13, 13, 13, 17, 13, 17,
614 51, 51, 13, 105, 18, 18, 18, 55, 55, 18,
615 13, 105, 13, 18, 13, 56, 56, 60, 60, 61,
616 61, 64, 64, 18, 67, 18, 65, 65, 67, 70,
617 182, 67, 67, 70, 182, 67, 70, 70, 13, 186,
618 13, 14, 14, 14, 14, 182, 14, 76, 76, 186,
619 14, 77, 77, 81, 82, 82, 81, 195, 14, 377,
620
621 14, 195, 14, 83, 83, 84, 84, 85, 85, 86,
622 86, 87, 87, 89, 89, 90, 90, 87, 91, 91,
623 87, 92, 92, 101, 103, 376, 14, 103, 14, 15,
624 15, 15, 106, 15, 15, 388, 101, 388, 15, 223,
625 101, 106, 114, 114, 117, 117, 118, 118, 15, 106,
626 15, 16, 16, 16, 223, 16, 16, 119, 119, 375,
627 16, 120, 120, 123, 123, 124, 124, 125, 125, 374,
628 16, 373, 16, 25, 126, 126, 129, 129, 130, 130,
629 131, 131, 132, 132, 135, 135, 136, 136, 137, 137,
630 138, 138, 370, 25, 366, 25, 25, 25, 25, 150,
631
632 150, 364, 25, 25, 25, 25, 25, 25, 25, 25,
633 25, 25, 363, 25, 25, 58, 151, 151, 152, 152,
634 153, 153, 362, 58, 155, 155, 156, 156, 157, 157,
635 158, 158, 361, 58, 160, 160, 58, 58, 161, 161,
636 359, 58, 166, 166, 167, 167, 169, 169, 58, 170,
637 170, 58, 358, 58, 357, 58, 58, 171, 171, 172,
638 172, 174, 174, 175, 175, 176, 176, 177, 177, 178,
639 178, 179, 179, 180, 180, 192, 212, 212, 246, 213,
640 213, 260, 246, 355, 267, 246, 246, 282, 354, 285,
641 192, 299, 180, 371, 180, 212, 260, 212, 213, 267,
642
643 213, 353, 282, 192, 285, 351, 299, 350, 371, 380,
644 380, 380, 380, 380, 380, 380, 380, 380, 380, 380,
645 380, 380, 380, 381, 381, 381, 381, 381, 381, 381,
646 381, 381, 381, 381, 381, 381, 381, 382, 382, 382,
647 382, 382, 382, 382, 382, 382, 382, 382, 382, 382,
648 382, 383, 383, 383, 383, 383, 383, 383, 383, 383,
649 383, 383, 383, 383, 383, 384, 384, 384, 384, 384,
650 384, 384, 384, 384, 384, 384, 384, 384, 384, 385,
651 385, 385, 385, 385, 385, 385, 385, 385, 385, 385,
652 385, 385, 385, 386, 386, 386, 386, 386, 386, 386,
653
654 386, 386, 386, 386, 386, 386, 386, 387, 387, 387,
655 387, 387, 387, 387, 387, 387, 387, 387, 387, 387,
656 387, 389, 389, 389, 389, 389, 389, 389, 389, 389,
657 389, 389, 349, 389, 389, 390, 348, 347, 390, 390,
658 390, 390, 346, 390, 390, 390, 390, 344, 390, 391,
659 341, 340, 339, 391, 391, 391, 391, 391, 391, 391,
660 391, 392, 392, 392, 392, 392, 392, 392, 392, 392,
661 392, 392, 392, 392, 392, 393, 338, 337, 393, 393,
662 393, 336, 393, 393, 393, 393, 393, 394, 394, 394,
663 394, 394, 394, 394, 394, 394, 394, 394, 394, 394,
664
665 394, 395, 335, 333, 332, 395, 395, 395, 395, 395,
666 395, 395, 395, 395, 396, 396, 396, 396, 396, 396,
667 396, 396, 396, 396, 396, 396, 396, 396, 397, 331,
668 329, 328, 327, 397, 326, 397, 397, 325, 397, 397,
669 324, 397, 398, 323, 322, 321, 398, 319, 318, 398,
670 398, 317, 398, 398, 316, 398, 399, 399, 399, 399,
671 399, 399, 399, 399, 399, 399, 399, 399, 315, 399,
672 400, 313, 400, 400, 400, 400, 400, 400, 400, 400,
673 400, 400, 400, 400, 402, 402, 402, 402, 402, 402,
674 402, 402, 402, 402, 402, 312, 402, 402, 403, 311,
675
676 403, 403, 403, 403, 403, 403, 403, 403, 403, 403,
677 403, 403, 404, 404, 404, 404, 404, 404, 404, 404,
678 404, 404, 404, 404, 404, 404, 310, 309, 308, 307,
679 305, 304, 303, 301, 297, 295, 294, 293, 291, 290,
680 289, 287, 286, 284, 283, 280, 279, 277, 275, 274,
681 272, 270, 269, 268, 266, 264, 263, 262, 261, 259,
682 258, 256, 255, 254, 253, 252, 251, 250, 249, 248,
683 247, 243, 242, 241, 240, 239, 238, 237, 236, 235,
684 234, 233, 232, 231, 230, 229, 228, 227, 226, 225,
685 224, 222, 221, 220, 219, 218, 217, 216, 215, 214,
686
687 210, 208, 205, 204, 203, 202, 201, 200, 199, 198,
688 197, 196, 194, 193, 191, 190, 189, 188, 187, 185,
689 184, 183, 181, 141, 115, 109, 108, 107, 104, 102,
690 100, 98, 97, 94, 88, 79, 39, 21, 19, 379,
691 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
692 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
693 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
694 379, 379, 379, 379, 379, 379, 379, 379, 379, 379,
695 379, 379, 379, 379, 379, 379, 379, 379, 379, 379
696 } ;
697
698 static yy_state_type yy_last_accepting_state;
699 static char *yy_last_accepting_cpos;
700
701 extern int yy_flex_debug;
702 int yy_flex_debug = 1;
703
704 static yyconst short int yy_rule_linenum[101] =
705 { 0,
706 122, 123, 124, 125, 126, 127, 128, 129, 130, 131,
707 132, 133, 134, 135, 136, 137, 138, 139, 140, 141,
708 142, 143, 144, 145, 146, 147, 148, 149, 150, 151,
709 152, 153, 155, 156, 157, 158, 160, 161, 162, 167,
710 170, 173, 176, 177, 180, 183, 186, 194, 200, 216,
711 217, 228, 240, 241, 242, 259, 268, 270, 290, 304,
712 306, 326, 338, 342, 343, 344, 345, 346, 347, 348,
713 349, 350, 356, 367, 373, 374, 376, 378, 396, 402,
714 403, 405, 407, 425, 428, 431, 432, 435, 446, 457,
715 459, 461, 464, 465, 468, 488, 495, 496, 497, 517
716
717 } ;
718
719 /* The intent behind this definition is that it'll catch
720 * any uses of REJECT which flex missed.
721 */
722 #define REJECT reject_used_but_not_detected
723 #define yymore() yymore_used_but_not_detected
724 #define YY_MORE_ADJ 0
725 #define YY_RESTORE_YY_MORE_OFFSET
726 char *yytext;
727 #line 1 "scan-gram.l"
728 #define INITIAL 0
729 /* Bison Grammar Scanner -*- C -*-
730 Copyright (C) 2002 Free Software Foundation, Inc.
731
732 This file is part of Bison, the GNU Compiler Compiler.
733
734 This program is free software; you can redistribute it and/or modify
735 it under the terms of the GNU General Public License as published by
736 the Free Software Foundation; either version 2 of the License, or
737 (at your option) any later version.
738
739 This program is distributed in the hope that it will be useful,
740 but WITHOUT ANY WARRANTY; without even the implied warranty of
741 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
742 GNU General Public License for more details.
743
744 You should have received a copy of the GNU General Public License
745 along with this program; if not, write to the Free Software
746 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
747 02111-1307 USA
748 */
749 #define YY_NO_UNPUT 1
750 #define YY_NEVER_INTERACTIVE 1
751 #define YY_STACK_USED 1
752 #line 26 "scan-gram.l"
753 #include "system.h"
754 #include "complain.h"
755 #include "quote.h"
756 #include "getargs.h"
757 #include "gram.h"
758 #include "reader.h"
759
760 /* Each time we match a string, move the end cursor to its end. */
761 #define YY_USER_INIT \
762 do { \
763 LOCATION_RESET (*yylloc); \
764 /* This is only to avoid GCC warnings. */ \
765 if (yycontrol) {;}; \
766 } while (0)
767
768 #define YY_USER_ACTION LOCATION_COLUMNS (*yylloc, yyleng)
769 #define YY_LINES LOCATION_LINES (*yylloc, yyleng); lineno += yyleng;
770 #define YY_STEP LOCATION_STEP (*yylloc)
771
772
773 /* STRING_OBSTACK -- Used to store all the characters that we need to
774 keep (to construct ID, STRINGS etc.). Use the following macros to
775 use it.
776
777 Use YY_OBS_GROW to append what has just been matched, and
778 YY_OBS_FINISH to end the string (it puts the ending 0).
779 YY_OBS_FINISH also stores this string in LAST_STRING, which can be
780 used, and which is used by YY_OBS_FREE to free the last string. */
781
782 static struct obstack string_obstack;
783 char *last_string;
784
785 #define YY_OBS_GROW \
786 obstack_grow (&string_obstack, yytext, yyleng)
787
788 #define YY_OBS_FINISH \
789 do { \
790 obstack_1grow (&string_obstack, '\0'); \
791 last_string = obstack_finish (&string_obstack); \
792 } while (0)
793
794 #define YY_OBS_FREE \
795 do { \
796 obstack_free (&string_obstack, last_string); \
797 } while (0)
798
799 void
800 scanner_last_string_free (void)
801 {
802 YY_OBS_FREE;
803 }
804
805
806 static int braces_level = 0;
807 static int percent_percent_count = 0;
808
809 static void handle_dollar PARAMS ((braced_code_t code_kind,
810 char *cp, location_t location));
811 static void handle_at PARAMS ((braced_code_t code_kind,
812 char *cp, location_t location));
813
814 #define SC_COMMENT 1
815
816 #define SC_STRING 2
817 #define SC_CHARACTER 3
818
819 #define SC_ESCAPED_STRING 4
820 #define SC_ESCAPED_CHARACTER 5
821
822 #define SC_BRACED_CODE 6
823 #define SC_PROLOGUE 7
824 #define SC_EPILOGUE 8
825
826 #line 827 "scan-gram.c"
827
828 /* Macros after this point can all be overridden by user definitions in
829 * section 1.
830 */
831
832 #ifndef YY_SKIP_YYWRAP
833 #ifdef __cplusplus
834 extern "C" int yywrap YY_PROTO(( void ));
835 #else
836 extern int yywrap YY_PROTO(( void ));
837 #endif
838 #endif
839
840 #ifndef YY_NO_UNPUT
841 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
842 #endif
843
844 #ifndef yytext_ptr
845 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
846 #endif
847
848 #ifdef YY_NEED_STRLEN
849 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
850 #endif
851
852 #ifndef YY_NO_INPUT
853 #ifdef __cplusplus
854 static int yyinput YY_PROTO(( void ));
855 #else
856 static int input YY_PROTO(( void ));
857 #endif
858 #endif
859
860 #if YY_STACK_USED
861 static int yy_start_stack_ptr = 0;
862 static int yy_start_stack_depth = 0;
863 static int *yy_start_stack = 0;
864 #ifndef YY_NO_PUSH_STATE
865 static void yy_push_state YY_PROTO(( int new_state ));
866 #endif
867 #ifndef YY_NO_POP_STATE
868 static void yy_pop_state YY_PROTO(( void ));
869 #endif
870 #ifndef YY_NO_TOP_STATE
871 static int yy_top_state YY_PROTO(( void ));
872 #endif
873
874 #else
875 #define YY_NO_PUSH_STATE 1
876 #define YY_NO_POP_STATE 1
877 #define YY_NO_TOP_STATE 1
878 #endif
879
880 #ifdef YY_MALLOC_DECL
881 YY_MALLOC_DECL
882 #else
883 #if __STDC__
884 #ifndef __cplusplus
885 #include <stdlib.h>
886 #endif
887 #else
888 /* Just try to get by without declaring the routines. This will fail
889 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
890 * or sizeof(void*) != sizeof(int).
891 */
892 #endif
893 #endif
894
895 /* Amount of stuff to slurp up with each read. */
896 #ifndef YY_READ_BUF_SIZE
897 #define YY_READ_BUF_SIZE 8192
898 #endif
899
900 /* Copy whatever the last rule matched to the standard output. */
901
902 #ifndef ECHO
903 /* This used to be an fputs(), but since the string might contain NUL's,
904 * we now use fwrite().
905 */
906 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
907 #endif
908
909 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
910 * is returned in "result".
911 */
912 #ifndef YY_INPUT
913 #define YY_INPUT(buf,result,max_size) \
914 if ( yy_current_buffer->yy_is_interactive ) \
915 { \
916 int c = '*', n; \
917 for ( n = 0; n < max_size && \
918 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
919 buf[n] = (char) c; \
920 if ( c == '\n' ) \
921 buf[n++] = (char) c; \
922 if ( c == EOF && ferror( yyin ) ) \
923 YY_FATAL_ERROR( "input in flex scanner failed" ); \
924 result = n; \
925 } \
926 else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
927 && ferror( yyin ) ) \
928 YY_FATAL_ERROR( "input in flex scanner failed" );
929 #endif
930
931 /* No semi-colon after return; correct usage is to write "yyterminate();" -
932 * we don't want an extra ';' after the "return" because that will cause
933 * some compilers to complain about unreachable statements.
934 */
935 #ifndef yyterminate
936 #define yyterminate() return YY_NULL
937 #endif
938
939 /* Number of entries by which start-condition stack grows. */
940 #ifndef YY_START_STACK_INCR
941 #define YY_START_STACK_INCR 25
942 #endif
943
944 /* Report a fatal error. */
945 #ifndef YY_FATAL_ERROR
946 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
947 #endif
948
949 /* Default declaration of generated scanner - a define so the user can
950 * easily add parameters.
951 */
952 #ifndef YY_DECL
953 #define YY_DECL int yylex YY_PROTO(( void ))
954 #endif
955
956 /* Code executed at the beginning of each rule, after yytext and yyleng
957 * have been set up.
958 */
959 #ifndef YY_USER_ACTION
960 #define YY_USER_ACTION
961 #endif
962
963 /* Code executed at the end of each rule. */
964 #ifndef YY_BREAK
965 #define YY_BREAK break;
966 #endif
967
968 #define YY_RULE_SETUP \
969 YY_USER_ACTION
970
971 YY_DECL
972 {
973 register yy_state_type yy_current_state;
974 register char *yy_cp, *yy_bp;
975 register int yy_act;
976
977 #line 98 "scan-gram.l"
978
979
980 /* At each yylex invocation, mark the current position as the
981 start of the next token. */
982 #define TR_POS 0
983 #if TR_POS
984 fprintf (stderr, "FOO1: %p: ", yylloc);
985 LOCATION_PRINT (stderr, *yylloc);
986 fprintf (stderr, "\n");
987 #endif
988 YY_STEP;
989 #if TR_POS
990 fprintf (stderr, "BAR1: ");
991 LOCATION_PRINT (stderr, *yylloc);
992 fprintf (stderr, "\n");
993 #endif
994
995
996
997 /*----------------------------.
998 | Scanning Bison directives. |
999 `----------------------------*/
1000 #line 1001 "scan-gram.c"
1001
1002 if ( yy_init )
1003 {
1004 yy_init = 0;
1005
1006 #ifdef YY_USER_INIT
1007 YY_USER_INIT;
1008 #endif
1009
1010 if ( ! yy_start )
1011 yy_start = 1; /* first start state */
1012
1013 if ( ! yyin )
1014 yyin = stdin;
1015
1016 if ( ! yyout )
1017 yyout = stdout;
1018
1019 if ( ! yy_current_buffer )
1020 yy_current_buffer =
1021 yy_create_buffer( yyin, YY_BUF_SIZE );
1022
1023 yy_load_buffer_state();
1024 }
1025
1026 while ( 1 ) /* loops until end-of-file is reached */
1027 {
1028 yy_cp = yy_c_buf_p;
1029
1030 /* Support of yytext. */
1031 *yy_cp = yy_hold_char;
1032
1033 /* yy_bp points to the position in yy_ch_buf of the start of
1034 * the current run.
1035 */
1036 yy_bp = yy_cp;
1037
1038 yy_current_state = yy_start;
1039 yy_match:
1040 do
1041 {
1042 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
1043 if ( yy_accept[yy_current_state] )
1044 {
1045 yy_last_accepting_state = yy_current_state;
1046 yy_last_accepting_cpos = yy_cp;
1047 }
1048 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1049 {
1050 yy_current_state = (int) yy_def[yy_current_state];
1051 if ( yy_current_state >= 380 )
1052 yy_c = yy_meta[(unsigned int) yy_c];
1053 }
1054 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1055 ++yy_cp;
1056 }
1057 while ( yy_base[yy_current_state] != 840 );
1058
1059 yy_find_action:
1060 yy_act = yy_accept[yy_current_state];
1061 if ( yy_act == 0 )
1062 { /* have to back up */
1063 yy_cp = yy_last_accepting_cpos;
1064 yy_current_state = yy_last_accepting_state;
1065 yy_act = yy_accept[yy_current_state];
1066 }
1067
1068 YY_DO_BEFORE_ACTION;
1069
1070
1071 do_action: /* This label is used only to access EOF actions. */
1072
1073 if ( yy_flex_debug )
1074 {
1075 if ( yy_act == 0 )
1076 fprintf( stderr, "--scanner backing up\n" );
1077 else if ( yy_act < 101 )
1078 fprintf( stderr, "--accepting rule at line %d (\"%s\")\n",
1079 yy_rule_linenum[yy_act], yytext );
1080 else if ( yy_act == 101 )
1081 fprintf( stderr, "--accepting default rule (\"%s\")\n",
1082 yytext );
1083 else if ( yy_act == 102 )
1084 fprintf( stderr, "--(end of buffer or a NUL)\n" );
1085 else
1086 fprintf( stderr, "--EOF (start condition %d)\n", YY_START );
1087 }
1088
1089 switch ( yy_act )
1090 { /* beginning of action switch */
1091 case 0: /* must back up */
1092 /* undo the effects of YY_DO_BEFORE_ACTION */
1093 *yy_cp = yy_hold_char;
1094 yy_cp = yy_last_accepting_cpos;
1095 yy_current_state = yy_last_accepting_state;
1096 goto yy_find_action;
1097
1098
1099
1100 case 1:
1101 YY_RULE_SETUP
1102 #line 122 "scan-gram.l"
1103 return PERCENT_NONASSOC;
1104 YY_BREAK
1105 case 2:
1106 YY_RULE_SETUP
1107 #line 123 "scan-gram.l"
1108 return PERCENT_DEBUG;
1109 YY_BREAK
1110 case 3:
1111 YY_RULE_SETUP
1112 #line 124 "scan-gram.l"
1113 return PERCENT_DEFINE;
1114 YY_BREAK
1115 case 4:
1116 YY_RULE_SETUP
1117 #line 125 "scan-gram.l"
1118 return PERCENT_DEFINES;
1119 YY_BREAK
1120 case 5:
1121 YY_RULE_SETUP
1122 #line 126 "scan-gram.l"
1123 return PERCENT_DESTRUCTOR;
1124 YY_BREAK
1125 case 6:
1126 YY_RULE_SETUP
1127 #line 127 "scan-gram.l"
1128 return PERCENT_DPREC;
1129 YY_BREAK
1130 case 7:
1131 YY_RULE_SETUP
1132 #line 128 "scan-gram.l"
1133 return PERCENT_ERROR_VERBOSE;
1134 YY_BREAK
1135 case 8:
1136 YY_RULE_SETUP
1137 #line 129 "scan-gram.l"
1138 return PERCENT_EXPECT;
1139 YY_BREAK
1140 case 9:
1141 YY_RULE_SETUP
1142 #line 130 "scan-gram.l"
1143 return PERCENT_FILE_PREFIX;
1144 YY_BREAK
1145 case 10:
1146 YY_RULE_SETUP
1147 #line 131 "scan-gram.l"
1148 return PERCENT_YACC;
1149 YY_BREAK
1150 case 11:
1151 YY_RULE_SETUP
1152 #line 132 "scan-gram.l"
1153 return PERCENT_GLR_PARSER;
1154 YY_BREAK
1155 case 12:
1156 YY_RULE_SETUP
1157 #line 133 "scan-gram.l"
1158 return PERCENT_LEFT;
1159 YY_BREAK
1160 case 13:
1161 YY_RULE_SETUP
1162 #line 134 "scan-gram.l"
1163 return PERCENT_LOCATIONS;
1164 YY_BREAK
1165 case 14:
1166 YY_RULE_SETUP
1167 #line 135 "scan-gram.l"
1168 return PERCENT_MERGE;
1169 YY_BREAK
1170 case 15:
1171 YY_RULE_SETUP
1172 #line 136 "scan-gram.l"
1173 return PERCENT_NAME_PREFIX;
1174 YY_BREAK
1175 case 16:
1176 YY_RULE_SETUP
1177 #line 137 "scan-gram.l"
1178 return PERCENT_NO_LINES;
1179 YY_BREAK
1180 case 17:
1181 YY_RULE_SETUP
1182 #line 138 "scan-gram.l"
1183 return PERCENT_NONASSOC;
1184 YY_BREAK
1185 case 18:
1186 YY_RULE_SETUP
1187 #line 139 "scan-gram.l"
1188 return PERCENT_NTERM;
1189 YY_BREAK
1190 case 19:
1191 YY_RULE_SETUP
1192 #line 140 "scan-gram.l"
1193 return PERCENT_OUTPUT;
1194 YY_BREAK
1195 case 20:
1196 YY_RULE_SETUP
1197 #line 141 "scan-gram.l"
1198 return PERCENT_PREC;
1199 YY_BREAK
1200 case 21:
1201 YY_RULE_SETUP
1202 #line 142 "scan-gram.l"
1203 return PERCENT_PRINTER;
1204 YY_BREAK
1205 case 22:
1206 YY_RULE_SETUP
1207 #line 143 "scan-gram.l"
1208 return PERCENT_PURE_PARSER;
1209 YY_BREAK
1210 case 23:
1211 YY_RULE_SETUP
1212 #line 144 "scan-gram.l"
1213 return PERCENT_RIGHT;
1214 YY_BREAK
1215 case 24:
1216 YY_RULE_SETUP
1217 #line 145 "scan-gram.l"
1218 return PERCENT_SKELETON;
1219 YY_BREAK
1220 case 25:
1221 YY_RULE_SETUP
1222 #line 146 "scan-gram.l"
1223 return PERCENT_START;
1224 YY_BREAK
1225 case 26:
1226 YY_RULE_SETUP
1227 #line 147 "scan-gram.l"
1228 return PERCENT_TOKEN;
1229 YY_BREAK
1230 case 27:
1231 YY_RULE_SETUP
1232 #line 148 "scan-gram.l"
1233 return PERCENT_TOKEN;
1234 YY_BREAK
1235 case 28:
1236 YY_RULE_SETUP
1237 #line 149 "scan-gram.l"
1238 return PERCENT_TOKEN_TABLE;
1239 YY_BREAK
1240 case 29:
1241 YY_RULE_SETUP
1242 #line 150 "scan-gram.l"
1243 return PERCENT_TYPE;
1244 YY_BREAK
1245 case 30:
1246 YY_RULE_SETUP
1247 #line 151 "scan-gram.l"
1248 return PERCENT_UNION;
1249 YY_BREAK
1250 case 31:
1251 YY_RULE_SETUP
1252 #line 152 "scan-gram.l"
1253 return PERCENT_VERBOSE;
1254 YY_BREAK
1255 case 32:
1256 YY_RULE_SETUP
1257 #line 153 "scan-gram.l"
1258 return PERCENT_YACC;
1259 YY_BREAK
1260 case 33:
1261 YY_RULE_SETUP
1262 #line 155 "scan-gram.l"
1263 return EQUAL;
1264 YY_BREAK
1265 case 34:
1266 YY_RULE_SETUP
1267 #line 156 "scan-gram.l"
1268 return COLON;
1269 YY_BREAK
1270 case 35:
1271 YY_RULE_SETUP
1272 #line 157 "scan-gram.l"
1273 return PIPE;
1274 YY_BREAK
1275 case 36:
1276 YY_RULE_SETUP
1277 #line 158 "scan-gram.l"
1278 return SEMICOLON;
1279 YY_BREAK
1280 case 37:
1281 YY_RULE_SETUP
1282 #line 160 "scan-gram.l"
1283 YY_LINES; YY_STEP;
1284 YY_BREAK
1285 case 38:
1286 YY_RULE_SETUP
1287 #line 161 "scan-gram.l"
1288 YY_STEP;
1289 YY_BREAK
1290 case 39:
1291 YY_RULE_SETUP
1292 #line 162 "scan-gram.l"
1293 {
1294 yylval->symbol = getsym (yytext, *yylloc);
1295 return ID;
1296 }
1297 YY_BREAK
1298 case 40:
1299 YY_RULE_SETUP
1300 #line 167 "scan-gram.l"
1301 yylval->integer = strtol (yytext, 0, 10); return INT;
1302 YY_BREAK
1303 /* Characters. We don't check there is only one. */
1304 case 41:
1305 YY_RULE_SETUP
1306 #line 170 "scan-gram.l"
1307 YY_OBS_GROW; yy_push_state (SC_ESCAPED_CHARACTER);
1308 YY_BREAK
1309 /* Strings. */
1310 case 42:
1311 YY_RULE_SETUP
1312 #line 173 "scan-gram.l"
1313 YY_OBS_GROW; yy_push_state (SC_ESCAPED_STRING);
1314 YY_BREAK
1315 /* Comments. */
1316 case 43:
1317 YY_RULE_SETUP
1318 #line 176 "scan-gram.l"
1319 yy_push_state (SC_COMMENT);
1320 YY_BREAK
1321 case 44:
1322 YY_RULE_SETUP
1323 #line 177 "scan-gram.l"
1324 YY_STEP;
1325 YY_BREAK
1326 /* Prologue. */
1327 case 45:
1328 YY_RULE_SETUP
1329 #line 180 "scan-gram.l"
1330 yy_push_state (SC_PROLOGUE);
1331 YY_BREAK
1332 /* Code in between braces. */
1333 case 46:
1334 YY_RULE_SETUP
1335 #line 183 "scan-gram.l"
1336 YY_OBS_GROW; ++braces_level; yy_push_state (SC_BRACED_CODE);
1337 YY_BREAK
1338 /* A type. */
1339 case 47:
1340 YY_RULE_SETUP
1341 #line 186 "scan-gram.l"
1342 {
1343 obstack_grow (&string_obstack, yytext + 1, yyleng - 2);
1344 YY_OBS_FINISH;
1345 yylval->string = last_string;
1346 return TYPE;
1347 }
1348 YY_BREAK
1349 case 48:
1350 YY_RULE_SETUP
1351 #line 194 "scan-gram.l"
1352 {
1353 if (++percent_percent_count == 2)
1354 yy_push_state (SC_EPILOGUE);
1355 return PERCENT_PERCENT;
1356 }
1357 YY_BREAK
1358 case 49:
1359 YY_RULE_SETUP
1360 #line 200 "scan-gram.l"
1361 {
1362 LOCATION_PRINT (stderr, *yylloc);
1363 fprintf (stderr, ": invalid character: `%c'\n", *yytext);
1364 YY_STEP;
1365 }
1366 YY_BREAK
1367
1368 /*------------------------------------------------------------.
1369 | Whatever the start condition (but those which correspond to |
1370 | entity `swallowed' by Bison: SC_ESCAPED_STRING and |
1371 | SC_ESCAPED_CHARACTER), no M4 character must escape as is. |
1372 `------------------------------------------------------------*/
1373
1374
1375 case 50:
1376 YY_RULE_SETUP
1377 #line 216 "scan-gram.l"
1378 if (YY_START != SC_COMMENT) obstack_sgrow (&string_obstack, "@<:@");
1379 YY_BREAK
1380 case 51:
1381 YY_RULE_SETUP
1382 #line 217 "scan-gram.l"
1383 if (YY_START != SC_COMMENT) obstack_sgrow (&string_obstack, "@:>@");
1384 YY_BREAK
1385
1386 /*-----------------------------------------------------------.
1387 | Scanning a C comment. The initial `/ *' is already eaten. |
1388 `-----------------------------------------------------------*/
1389
1390
1391 case 52:
1392 YY_RULE_SETUP
1393 #line 228 "scan-gram.l"
1394 { /* End of the comment. */
1395 if (yy_top_state () == INITIAL)
1396 {
1397 YY_STEP;
1398 }
1399 else
1400 {
1401 YY_OBS_GROW;
1402 }
1403 yy_pop_state ();
1404 }
1405 YY_BREAK
1406 case 53:
1407 YY_RULE_SETUP
1408 #line 240 "scan-gram.l"
1409 if (yy_top_state () != INITIAL) YY_OBS_GROW;
1410 YY_BREAK
1411 case 54:
1412 YY_RULE_SETUP
1413 #line 241 "scan-gram.l"
1414 if (yy_top_state () != INITIAL) YY_OBS_GROW; YY_LINES;
1415 YY_BREAK
1416 case 55:
1417 YY_RULE_SETUP
1418 #line 242 "scan-gram.l"
1419 /* Stray `*'. */if (yy_top_state () != INITIAL) YY_OBS_GROW;
1420 YY_BREAK
1421 case YY_STATE_EOF(SC_COMMENT):
1422 #line 244 "scan-gram.l"
1423 {
1424 LOCATION_PRINT (stderr, *yylloc);
1425 fprintf (stderr, ": unexpected end of file in a comment\n");
1426 yy_pop_state ();
1427 }
1428 YY_BREAK
1429
1430 /*----------------------------------------------------------------.
1431 | Scanning a C string, including its escapes. The initial `"' is |
1432 | already eaten. |
1433 `----------------------------------------------------------------*/
1434
1435
1436 case 56:
1437 YY_RULE_SETUP
1438 #line 259 "scan-gram.l"
1439 {
1440 assert (yy_top_state () == INITIAL);
1441 YY_OBS_GROW;
1442 YY_OBS_FINISH;
1443 yylval->string = last_string;
1444 yy_pop_state ();
1445 return STRING;
1446 }
1447 YY_BREAK
1448 case 57:
1449 YY_RULE_SETUP
1450 #line 268 "scan-gram.l"
1451 YY_OBS_GROW;
1452 YY_BREAK
1453 case 58:
1454 YY_RULE_SETUP
1455 #line 270 "scan-gram.l"
1456 obstack_1grow (&string_obstack, '\n'); YY_LINES;
1457 YY_BREAK
1458 case YY_STATE_EOF(SC_ESCAPED_STRING):
1459 #line 272 "scan-gram.l"
1460 {
1461 LOCATION_PRINT (stderr, *yylloc);
1462 fprintf (stderr, ": unexpected end of file in a string\n");
1463 assert (yy_top_state () == INITIAL);
1464 YY_OBS_FINISH;
1465 yylval->string = last_string;
1466 yy_pop_state ();
1467 return STRING;
1468 }
1469 YY_BREAK
1470
1471 /*---------------------------------------------------------------.
1472 | Scanning a C character, decoding its escapes. The initial "'" |
1473 | is already eaten. |
1474 `---------------------------------------------------------------*/
1475
1476
1477 case 59:
1478 YY_RULE_SETUP
1479 #line 290 "scan-gram.l"
1480 {
1481 YY_OBS_GROW;
1482 assert (yy_top_state () == INITIAL);
1483 {
1484 YY_OBS_FINISH;
1485 yylval->symbol = getsym (last_string, *yylloc);
1486 symbol_class_set (yylval->symbol, token_sym, *yylloc);
1487 symbol_user_token_number_set (yylval->symbol, last_string[1], *yylloc);
1488 YY_OBS_FREE;
1489 yy_pop_state ();
1490 return ID;
1491 }
1492 }
1493 YY_BREAK
1494 case 60:
1495 YY_RULE_SETUP
1496 #line 304 "scan-gram.l"
1497 YY_OBS_GROW;
1498 YY_BREAK
1499 case 61:
1500 YY_RULE_SETUP
1501 #line 306 "scan-gram.l"
1502 obstack_1grow (&string_obstack, '\n'); YY_LINES;
1503 YY_BREAK
1504 case YY_STATE_EOF(SC_ESCAPED_CHARACTER):
1505 #line 308 "scan-gram.l"
1506 {
1507 LOCATION_PRINT (stderr, *yylloc);
1508 fprintf (stderr, ": unexpected end of file in a character\n");
1509 assert (yy_top_state () == INITIAL);
1510 YY_OBS_FINISH;
1511 yylval->string = last_string;
1512 yy_pop_state ();
1513 return CHARACTER;
1514 }
1515 YY_BREAK
1516
1517 /*----------------------------.
1518 | Decode escaped characters. |
1519 `----------------------------*/
1520
1521
1522 case 62:
1523 YY_RULE_SETUP
1524 #line 326 "scan-gram.l"
1525 {
1526 long c = strtol (yytext + 1, 0, 8);
1527 if (c > 255)
1528 {
1529 LOCATION_PRINT (stderr, *yylloc);
1530 fprintf (stderr, ": invalid escape: %s\n", quote (yytext));
1531 YY_STEP;
1532 }
1533 else
1534 obstack_1grow (&string_obstack, c);
1535 }
1536 YY_BREAK
1537 case 63:
1538 YY_RULE_SETUP
1539 #line 338 "scan-gram.l"
1540 {
1541 obstack_1grow (&string_obstack, strtol (yytext + 2, 0, 16));
1542 }
1543 YY_BREAK
1544 case 64:
1545 YY_RULE_SETUP
1546 #line 342 "scan-gram.l"
1547 obstack_1grow (&string_obstack, '\a');
1548 YY_BREAK
1549 case 65:
1550 YY_RULE_SETUP
1551 #line 343 "scan-gram.l"
1552 obstack_1grow (&string_obstack, '\b');
1553 YY_BREAK
1554 case 66:
1555 YY_RULE_SETUP
1556 #line 344 "scan-gram.l"
1557 obstack_1grow (&string_obstack, '\f');
1558 YY_BREAK
1559 case 67:
1560 YY_RULE_SETUP
1561 #line 345 "scan-gram.l"
1562 obstack_1grow (&string_obstack, '\n');
1563 YY_BREAK
1564 case 68:
1565 YY_RULE_SETUP
1566 #line 346 "scan-gram.l"
1567 obstack_1grow (&string_obstack, '\r');
1568 YY_BREAK
1569 case 69:
1570 YY_RULE_SETUP
1571 #line 347 "scan-gram.l"
1572 obstack_1grow (&string_obstack, '\t');
1573 YY_BREAK
1574 case 70:
1575 YY_RULE_SETUP
1576 #line 348 "scan-gram.l"
1577 obstack_1grow (&string_obstack, '\v');
1578 YY_BREAK
1579 case 71:
1580 YY_RULE_SETUP
1581 #line 349 "scan-gram.l"
1582 obstack_1grow (&string_obstack, yytext[1]);
1583 YY_BREAK
1584 case 72:
1585 YY_RULE_SETUP
1586 #line 350 "scan-gram.l"
1587 {
1588 LOCATION_PRINT (stderr, *yylloc);
1589 fprintf (stderr, ": unrecognized escape: %s\n", quote (yytext));
1590 YY_OBS_GROW;
1591 }
1592 YY_BREAK
1593 /* FLex wants this rule, in case of a `\<<EOF>>'. */
1594 case 73:
1595 YY_RULE_SETUP
1596 #line 356 "scan-gram.l"
1597 YY_OBS_GROW;
1598 YY_BREAK
1599
1600 /*----------------------------------------------------------.
1601 | Scanning a C character without decoding its escapes. The |
1602 | initial "'" is already eaten. |
1603 `----------------------------------------------------------*/
1604
1605
1606 case 74:
1607 YY_RULE_SETUP
1608 #line 367 "scan-gram.l"
1609 {
1610 YY_OBS_GROW;
1611 assert (yy_top_state () != INITIAL);
1612 yy_pop_state ();
1613 }
1614 YY_BREAK
1615 case 75:
1616 YY_RULE_SETUP
1617 #line 373 "scan-gram.l"
1618 YY_OBS_GROW;
1619 YY_BREAK
1620 case 76:
1621 YY_RULE_SETUP
1622 #line 374 "scan-gram.l"
1623 YY_OBS_GROW;
1624 YY_BREAK
1625 /* FLex wants this rule, in case of a `\<<EOF>>'. */
1626 case 77:
1627 YY_RULE_SETUP
1628 #line 376 "scan-gram.l"
1629 YY_OBS_GROW;
1630 YY_BREAK
1631 case 78:
1632 YY_RULE_SETUP
1633 #line 378 "scan-gram.l"
1634 YY_OBS_GROW; YY_LINES;
1635 YY_BREAK
1636 case YY_STATE_EOF(SC_CHARACTER):
1637 #line 380 "scan-gram.l"
1638 {
1639 LOCATION_PRINT (stderr, *yylloc);
1640 fprintf (stderr, ": unexpected end of file in a character\n");
1641 assert (yy_top_state () != INITIAL);
1642 yy_pop_state ();
1643 }
1644 YY_BREAK
1645
1646 /*----------------------------------------------------------------.
1647 | Scanning a C string, without decoding its escapes. The initial |
1648 | `"' is already eaten. |
1649 `----------------------------------------------------------------*/
1650
1651
1652 case 79:
1653 YY_RULE_SETUP
1654 #line 396 "scan-gram.l"
1655 {
1656 assert (yy_top_state () != INITIAL);
1657 YY_OBS_GROW;
1658 yy_pop_state ();
1659 }
1660 YY_BREAK
1661 case 80:
1662 YY_RULE_SETUP
1663 #line 402 "scan-gram.l"
1664 YY_OBS_GROW;
1665 YY_BREAK
1666 case 81:
1667 YY_RULE_SETUP
1668 #line 403 "scan-gram.l"
1669 YY_OBS_GROW;
1670 YY_BREAK
1671 /* FLex wants this rule, in case of a `\<<EOF>>'. */
1672 case 82:
1673 YY_RULE_SETUP
1674 #line 405 "scan-gram.l"
1675 YY_OBS_GROW;
1676 YY_BREAK
1677 case 83:
1678 YY_RULE_SETUP
1679 #line 407 "scan-gram.l"
1680 YY_OBS_GROW; YY_LINES;
1681 YY_BREAK
1682 case YY_STATE_EOF(SC_STRING):
1683 #line 409 "scan-gram.l"
1684 {
1685 LOCATION_PRINT (stderr, *yylloc);
1686 fprintf (stderr, ": unexpected end of file in a string\n");
1687 assert (yy_top_state () != INITIAL);
1688 yy_pop_state ();
1689 }
1690 YY_BREAK
1691
1692 /*---------------------------------------------------.
1693 | Strings, comments etc. can be found in user code. |
1694 `---------------------------------------------------*/
1695
1696
1697 /* Characters. We don't check there is only one. */
1698 case 84:
1699 YY_RULE_SETUP
1700 #line 425 "scan-gram.l"
1701 YY_OBS_GROW; yy_push_state (SC_CHARACTER);
1702 YY_BREAK
1703 /* Strings. */
1704 case 85:
1705 YY_RULE_SETUP
1706 #line 428 "scan-gram.l"
1707 YY_OBS_GROW; yy_push_state (SC_STRING);
1708 YY_BREAK
1709 /* Comments. */
1710 case 86:
1711 YY_RULE_SETUP
1712 #line 431 "scan-gram.l"
1713 YY_OBS_GROW; yy_push_state (SC_COMMENT);
1714 YY_BREAK
1715 case 87:
1716 YY_RULE_SETUP
1717 #line 432 "scan-gram.l"
1718 YY_OBS_GROW;
1719 YY_BREAK
1720 /* Not comments. */
1721 case 88:
1722 YY_RULE_SETUP
1723 #line 435 "scan-gram.l"
1724 YY_OBS_GROW;
1725 YY_BREAK
1726
1727 /*---------------------------------------------------------------.
1728 | Scanning some code in braces (%union and actions). The initial |
1729 | "{" is already eaten. |
1730 `---------------------------------------------------------------*/
1731
1732
1733 case 89:
1734 YY_RULE_SETUP
1735 #line 446 "scan-gram.l"
1736 {
1737 YY_OBS_GROW;
1738 if (--braces_level == 0)
1739 {
1740 yy_pop_state ();
1741 YY_OBS_FINISH;
1742 yylval->string = last_string;
1743 return BRACED_CODE;
1744 }
1745 }
1746 YY_BREAK
1747 case 90:
1748 YY_RULE_SETUP
1749 #line 457 "scan-gram.l"
1750 YY_OBS_GROW; braces_level++;
1751 YY_BREAK
1752 case 91:
1753 YY_RULE_SETUP
1754 #line 459 "scan-gram.l"
1755 { handle_dollar (current_braced_code,
1756 yytext, *yylloc); }
1757 YY_BREAK
1758 case 92:
1759 YY_RULE_SETUP
1760 #line 461 "scan-gram.l"
1761 { handle_at (current_braced_code,
1762 yytext, *yylloc); }
1763 YY_BREAK
1764 case 93:
1765 YY_RULE_SETUP
1766 #line 464 "scan-gram.l"
1767 YY_OBS_GROW;
1768 YY_BREAK
1769 case 94:
1770 YY_RULE_SETUP
1771 #line 465 "scan-gram.l"
1772 YY_OBS_GROW; YY_LINES;
1773 YY_BREAK
1774 /* A lose $, or /, or etc. */
1775 case 95:
1776 YY_RULE_SETUP
1777 #line 468 "scan-gram.l"
1778 YY_OBS_GROW;
1779 YY_BREAK
1780 case YY_STATE_EOF(SC_BRACED_CODE):
1781 #line 470 "scan-gram.l"
1782 {
1783 LOCATION_PRINT (stderr, *yylloc);
1784 fprintf (stderr, ": unexpected end of file in a braced code\n");
1785 yy_pop_state ();
1786 YY_OBS_FINISH;
1787 yylval->string = last_string;
1788 return BRACED_CODE;
1789 }
1790 YY_BREAK
1791
1792 /*--------------------------------------------------------------.
1793 | Scanning some prologue: from "%{" (already scanned) to "%}". |
1794 `--------------------------------------------------------------*/
1795
1796
1797 case 96:
1798 YY_RULE_SETUP
1799 #line 488 "scan-gram.l"
1800 {
1801 yy_pop_state ();
1802 YY_OBS_FINISH;
1803 yylval->string = last_string;
1804 return PROLOGUE;
1805 }
1806 YY_BREAK
1807 case 97:
1808 YY_RULE_SETUP
1809 #line 495 "scan-gram.l"
1810 YY_OBS_GROW;
1811 YY_BREAK
1812 case 98:
1813 YY_RULE_SETUP
1814 #line 496 "scan-gram.l"
1815 YY_OBS_GROW;
1816 YY_BREAK
1817 case 99:
1818 YY_RULE_SETUP
1819 #line 497 "scan-gram.l"
1820 YY_OBS_GROW; YY_LINES;
1821 YY_BREAK
1822 case YY_STATE_EOF(SC_PROLOGUE):
1823 #line 499 "scan-gram.l"
1824 {
1825 LOCATION_PRINT (stderr, *yylloc);
1826 fprintf (stderr, ": unexpected end of file in a prologue\n");
1827 yy_pop_state ();
1828 YY_OBS_FINISH;
1829 yylval->string = last_string;
1830 return PROLOGUE;
1831 }
1832 YY_BREAK
1833
1834 /*---------------------------------------------------------------.
1835 | Scanning the epilogue (everything after the second "%%", which |
1836 | has already been eaten. |
1837 `---------------------------------------------------------------*/
1838
1839
1840 case 100:
1841 YY_RULE_SETUP
1842 #line 517 "scan-gram.l"
1843 YY_OBS_GROW;
1844 YY_BREAK
1845 case YY_STATE_EOF(SC_EPILOGUE):
1846 #line 519 "scan-gram.l"
1847 {
1848 yy_pop_state ();
1849 YY_OBS_FINISH;
1850 yylval->string = last_string;
1851 return EPILOGUE;
1852 }
1853 YY_BREAK
1854
1855 case 101:
1856 YY_RULE_SETUP
1857 #line 528 "scan-gram.l"
1858 YY_FATAL_ERROR( "flex scanner jammed" );
1859 YY_BREAK
1860 #line 1861 "scan-gram.c"
1861 case YY_STATE_EOF(INITIAL):
1862 yyterminate();
1863
1864 case YY_END_OF_BUFFER:
1865 {
1866 /* Amount of text matched not including the EOB char. */
1867 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
1868
1869 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1870 *yy_cp = yy_hold_char;
1871 YY_RESTORE_YY_MORE_OFFSET
1872
1873 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
1874 {
1875 /* We're scanning a new file or input source. It's
1876 * possible that this happened because the user
1877 * just pointed yyin at a new source and called
1878 * yylex(). If so, then we have to assure
1879 * consistency between yy_current_buffer and our
1880 * globals. Here is the right place to do so, because
1881 * this is the first action (other than possibly a
1882 * back-up) that will match for the new input source.
1883 */
1884 yy_n_chars = yy_current_buffer->yy_n_chars;
1885 yy_current_buffer->yy_input_file = yyin;
1886 yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
1887 }
1888
1889 /* Note that here we test for yy_c_buf_p "<=" to the position
1890 * of the first EOB in the buffer, since yy_c_buf_p will
1891 * already have been incremented past the NUL character
1892 * (since all states make transitions on EOB to the
1893 * end-of-buffer state). Contrast this with the test
1894 * in input().
1895 */
1896 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
1897 { /* This was really a NUL. */
1898 yy_state_type yy_next_state;
1899
1900 yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
1901
1902 yy_current_state = yy_get_previous_state();
1903
1904 /* Okay, we're now positioned to make the NUL
1905 * transition. We couldn't have
1906 * yy_get_previous_state() go ahead and do it
1907 * for us because it doesn't know how to deal
1908 * with the possibility of jamming (and we don't
1909 * want to build jamming into it because then it
1910 * will run more slowly).
1911 */
1912
1913 yy_next_state = yy_try_NUL_trans( yy_current_state );
1914
1915 yy_bp = yytext_ptr + YY_MORE_ADJ;
1916
1917 if ( yy_next_state )
1918 {
1919 /* Consume the NUL. */
1920 yy_cp = ++yy_c_buf_p;
1921 yy_current_state = yy_next_state;
1922 goto yy_match;
1923 }
1924
1925 else
1926 {
1927 yy_cp = yy_c_buf_p;
1928 goto yy_find_action;
1929 }
1930 }
1931
1932 else switch ( yy_get_next_buffer() )
1933 {
1934 case EOB_ACT_END_OF_FILE:
1935 {
1936 yy_did_buffer_switch_on_eof = 0;
1937
1938 if ( yywrap() )
1939 {
1940 /* Note: because we've taken care in
1941 * yy_get_next_buffer() to have set up
1942 * yytext, we can now set up
1943 * yy_c_buf_p so that if some total
1944 * hoser (like flex itself) wants to
1945 * call the scanner after we return the
1946 * YY_NULL, it'll still work - another
1947 * YY_NULL will get returned.
1948 */
1949 yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
1950
1951 yy_act = YY_STATE_EOF(YY_START);
1952 goto do_action;
1953 }
1954
1955 else
1956 {
1957 if ( ! yy_did_buffer_switch_on_eof )
1958 YY_NEW_FILE;
1959 }
1960 break;
1961 }
1962
1963 case EOB_ACT_CONTINUE_SCAN:
1964 yy_c_buf_p =
1965 yytext_ptr + yy_amount_of_matched_text;
1966
1967 yy_current_state = yy_get_previous_state();
1968
1969 yy_cp = yy_c_buf_p;
1970 yy_bp = yytext_ptr + YY_MORE_ADJ;
1971 goto yy_match;
1972
1973 case EOB_ACT_LAST_MATCH:
1974 yy_c_buf_p =
1975 &yy_current_buffer->yy_ch_buf[yy_n_chars];
1976
1977 yy_current_state = yy_get_previous_state();
1978
1979 yy_cp = yy_c_buf_p;
1980 yy_bp = yytext_ptr + YY_MORE_ADJ;
1981 goto yy_find_action;
1982 }
1983 break;
1984 }
1985
1986 default:
1987 YY_FATAL_ERROR(
1988 "fatal flex scanner internal error--no action found" );
1989 } /* end of action switch */
1990 } /* end of scanning one token */
1991 } /* end of yylex */
1992
1993
1994 /* yy_get_next_buffer - try to read in a new buffer
1995 *
1996 * Returns a code representing an action:
1997 * EOB_ACT_LAST_MATCH -
1998 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1999 * EOB_ACT_END_OF_FILE - end of file
2000 */
2001
2002 static int yy_get_next_buffer()
2003 {
2004 register char *dest = yy_current_buffer->yy_ch_buf;
2005 register char *source = yytext_ptr;
2006 register int number_to_move, i;
2007 int ret_val;
2008
2009 if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
2010 YY_FATAL_ERROR(
2011 "fatal flex scanner internal error--end of buffer missed" );
2012
2013 if ( yy_current_buffer->yy_fill_buffer == 0 )
2014 { /* Don't try to fill the buffer, so this is an EOF. */
2015 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
2016 {
2017 /* We matched a single character, the EOB, so
2018 * treat this as a final EOF.
2019 */
2020 return EOB_ACT_END_OF_FILE;
2021 }
2022
2023 else
2024 {
2025 /* We matched some text prior to the EOB, first
2026 * process it.
2027 */
2028 return EOB_ACT_LAST_MATCH;
2029 }
2030 }
2031
2032 /* Try to read more data. */
2033
2034 /* First move last chars to start of buffer. */
2035 number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
2036
2037 for ( i = 0; i < number_to_move; ++i )
2038 *(dest++) = *(source++);
2039
2040 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
2041 /* don't do the read, it's not guaranteed to return an EOF,
2042 * just force an EOF
2043 */
2044 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
2045
2046 else
2047 {
2048 int num_to_read =
2049 yy_current_buffer->yy_buf_size - number_to_move - 1;
2050
2051 while ( num_to_read <= 0 )
2052 { /* Not enough room in the buffer - grow it. */
2053 #ifdef YY_USES_REJECT
2054 YY_FATAL_ERROR(
2055 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
2056 #else
2057
2058 /* just a shorter name for the current buffer */
2059 YY_BUFFER_STATE b = yy_current_buffer;
2060
2061 int yy_c_buf_p_offset =
2062 (int) (yy_c_buf_p - b->yy_ch_buf);
2063
2064 if ( b->yy_is_our_buffer )
2065 {
2066 int new_size = b->yy_buf_size * 2;
2067
2068 if ( new_size <= 0 )
2069 b->yy_buf_size += b->yy_buf_size / 8;
2070 else
2071 b->yy_buf_size *= 2;
2072
2073 b->yy_ch_buf = (char *)
2074 /* Include room in for 2 EOB chars. */
2075 yy_flex_realloc( (void *) b->yy_ch_buf,
2076 b->yy_buf_size + 2 );
2077 }
2078 else
2079 /* Can't grow it, we don't own it. */
2080 b->yy_ch_buf = 0;
2081
2082 if ( ! b->yy_ch_buf )
2083 YY_FATAL_ERROR(
2084 "fatal error - scanner input buffer overflow" );
2085
2086 yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
2087
2088 num_to_read = yy_current_buffer->yy_buf_size -
2089 number_to_move - 1;
2090 #endif
2091 }
2092
2093 if ( num_to_read > YY_READ_BUF_SIZE )
2094 num_to_read = YY_READ_BUF_SIZE;
2095
2096 /* Read in more data. */
2097 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
2098 yy_n_chars, num_to_read );
2099
2100 yy_current_buffer->yy_n_chars = yy_n_chars;
2101 }
2102
2103 if ( yy_n_chars == 0 )
2104 {
2105 if ( number_to_move == YY_MORE_ADJ )
2106 {
2107 ret_val = EOB_ACT_END_OF_FILE;
2108 yyrestart( yyin );
2109 }
2110
2111 else
2112 {
2113 ret_val = EOB_ACT_LAST_MATCH;
2114 yy_current_buffer->yy_buffer_status =
2115 YY_BUFFER_EOF_PENDING;
2116 }
2117 }
2118
2119 else
2120 ret_val = EOB_ACT_CONTINUE_SCAN;
2121
2122 yy_n_chars += number_to_move;
2123 yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
2124 yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
2125
2126 yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
2127
2128 return ret_val;
2129 }
2130
2131
2132 /* yy_get_previous_state - get the state just before the EOB char was reached */
2133
2134 static yy_state_type yy_get_previous_state()
2135 {
2136 register yy_state_type yy_current_state;
2137 register char *yy_cp;
2138
2139 yy_current_state = yy_start;
2140
2141 for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
2142 {
2143 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
2144 if ( yy_accept[yy_current_state] )
2145 {
2146 yy_last_accepting_state = yy_current_state;
2147 yy_last_accepting_cpos = yy_cp;
2148 }
2149 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
2150 {
2151 yy_current_state = (int) yy_def[yy_current_state];
2152 if ( yy_current_state >= 380 )
2153 yy_c = yy_meta[(unsigned int) yy_c];
2154 }
2155 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
2156 }
2157
2158 return yy_current_state;
2159 }
2160
2161
2162 /* yy_try_NUL_trans - try to make a transition on the NUL character
2163 *
2164 * synopsis
2165 * next_state = yy_try_NUL_trans( current_state );
2166 */
2167
2168 #ifdef YY_USE_PROTOS
2169 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
2170 #else
2171 static yy_state_type yy_try_NUL_trans( yy_current_state )
2172 yy_state_type yy_current_state;
2173 #endif
2174 {
2175 register int yy_is_jam;
2176 register char *yy_cp = yy_c_buf_p;
2177
2178 register YY_CHAR yy_c = 1;
2179 if ( yy_accept[yy_current_state] )
2180 {
2181 yy_last_accepting_state = yy_current_state;
2182 yy_last_accepting_cpos = yy_cp;
2183 }
2184 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
2185 {
2186 yy_current_state = (int) yy_def[yy_current_state];
2187 if ( yy_current_state >= 380 )
2188 yy_c = yy_meta[(unsigned int) yy_c];
2189 }
2190 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
2191 yy_is_jam = (yy_current_state == 379);
2192
2193 return yy_is_jam ? 0 : yy_current_state;
2194 }
2195
2196
2197 #ifndef YY_NO_UNPUT
2198 #ifdef YY_USE_PROTOS
2199 static void yyunput( int c, register char *yy_bp )
2200 #else
2201 static void yyunput( c, yy_bp )
2202 int c;
2203 register char *yy_bp;
2204 #endif
2205 {
2206 register char *yy_cp = yy_c_buf_p;
2207
2208 /* undo effects of setting up yytext */
2209 *yy_cp = yy_hold_char;
2210
2211 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
2212 { /* need to shift things up to make room */
2213 /* +2 for EOB chars. */
2214 register int number_to_move = yy_n_chars + 2;
2215 register char *dest = &yy_current_buffer->yy_ch_buf[
2216 yy_current_buffer->yy_buf_size + 2];
2217 register char *source =
2218 &yy_current_buffer->yy_ch_buf[number_to_move];
2219
2220 while ( source > yy_current_buffer->yy_ch_buf )
2221 *--dest = *--source;
2222
2223 yy_cp += (int) (dest - source);
2224 yy_bp += (int) (dest - source);
2225 yy_current_buffer->yy_n_chars =
2226 yy_n_chars = yy_current_buffer->yy_buf_size;
2227
2228 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
2229 YY_FATAL_ERROR( "flex scanner push-back overflow" );
2230 }
2231
2232 *--yy_cp = (char) c;
2233
2234
2235 yytext_ptr = yy_bp;
2236 yy_hold_char = *yy_cp;
2237 yy_c_buf_p = yy_cp;
2238 }
2239 #endif /* ifndef YY_NO_UNPUT */
2240
2241
2242 #ifdef __cplusplus
2243 static int yyinput()
2244 #else
2245 static int input()
2246 #endif
2247 {
2248 int c;
2249
2250 *yy_c_buf_p = yy_hold_char;
2251
2252 if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
2253 {
2254 /* yy_c_buf_p now points to the character we want to return.
2255 * If this occurs *before* the EOB characters, then it's a
2256 * valid NUL; if not, then we've hit the end of the buffer.
2257 */
2258 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
2259 /* This was really a NUL. */
2260 *yy_c_buf_p = '\0';
2261
2262 else
2263 { /* need more input */
2264 int offset = yy_c_buf_p - yytext_ptr;
2265 ++yy_c_buf_p;
2266
2267 switch ( yy_get_next_buffer() )
2268 {
2269 case EOB_ACT_LAST_MATCH:
2270 /* This happens because yy_g_n_b()
2271 * sees that we've accumulated a
2272 * token and flags that we need to
2273 * try matching the token before
2274 * proceeding. But for input(),
2275 * there's no matching to consider.
2276 * So convert the EOB_ACT_LAST_MATCH
2277 * to EOB_ACT_END_OF_FILE.
2278 */
2279
2280 /* Reset buffer status. */
2281 yyrestart( yyin );
2282
2283 /* fall through */
2284
2285 case EOB_ACT_END_OF_FILE:
2286 {
2287 if ( yywrap() )
2288 return EOF;
2289
2290 if ( ! yy_did_buffer_switch_on_eof )
2291 YY_NEW_FILE;
2292 #ifdef __cplusplus
2293 return yyinput();
2294 #else
2295 return input();
2296 #endif
2297 }
2298
2299 case EOB_ACT_CONTINUE_SCAN:
2300 yy_c_buf_p = yytext_ptr + offset;
2301 break;
2302 }
2303 }
2304 }
2305
2306 c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
2307 *yy_c_buf_p = '\0'; /* preserve yytext */
2308 yy_hold_char = *++yy_c_buf_p;
2309
2310
2311 return c;
2312 }
2313
2314
2315 #ifdef YY_USE_PROTOS
2316 void yyrestart( FILE *input_file )
2317 #else
2318 void yyrestart( input_file )
2319 FILE *input_file;
2320 #endif
2321 {
2322 if ( ! yy_current_buffer )
2323 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
2324
2325 yy_init_buffer( yy_current_buffer, input_file );
2326 yy_load_buffer_state();
2327 }
2328
2329
2330 #ifdef YY_USE_PROTOS
2331 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
2332 #else
2333 void yy_switch_to_buffer( new_buffer )
2334 YY_BUFFER_STATE new_buffer;
2335 #endif
2336 {
2337 if ( yy_current_buffer == new_buffer )
2338 return;
2339
2340 if ( yy_current_buffer )
2341 {
2342 /* Flush out information for old buffer. */
2343 *yy_c_buf_p = yy_hold_char;
2344 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
2345 yy_current_buffer->yy_n_chars = yy_n_chars;
2346 }
2347
2348 yy_current_buffer = new_buffer;
2349 yy_load_buffer_state();
2350
2351 /* We don't actually know whether we did this switch during
2352 * EOF (yywrap()) processing, but the only time this flag
2353 * is looked at is after yywrap() is called, so it's safe
2354 * to go ahead and always set it.
2355 */
2356 yy_did_buffer_switch_on_eof = 1;
2357 }
2358
2359
2360 #ifdef YY_USE_PROTOS
2361 void yy_load_buffer_state( void )
2362 #else
2363 void yy_load_buffer_state()
2364 #endif
2365 {
2366 yy_n_chars = yy_current_buffer->yy_n_chars;
2367 yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
2368 yyin = yy_current_buffer->yy_input_file;
2369 yy_hold_char = *yy_c_buf_p;
2370 }
2371
2372
2373 #ifdef YY_USE_PROTOS
2374 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
2375 #else
2376 YY_BUFFER_STATE yy_create_buffer( file, size )
2377 FILE *file;
2378 int size;
2379 #endif
2380 {
2381 YY_BUFFER_STATE b;
2382
2383 b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
2384 if ( ! b )
2385 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
2386
2387 b->yy_buf_size = size;
2388
2389 /* yy_ch_buf has to be 2 characters longer than the size given because
2390 * we need to put in 2 end-of-buffer characters.
2391 */
2392 b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
2393 if ( ! b->yy_ch_buf )
2394 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
2395
2396 b->yy_is_our_buffer = 1;
2397
2398 yy_init_buffer( b, file );
2399
2400 return b;
2401 }
2402
2403
2404 #ifdef YY_USE_PROTOS
2405 void yy_delete_buffer( YY_BUFFER_STATE b )
2406 #else
2407 void yy_delete_buffer( b )
2408 YY_BUFFER_STATE b;
2409 #endif
2410 {
2411 if ( ! b )
2412 return;
2413
2414 if ( b == yy_current_buffer )
2415 yy_current_buffer = (YY_BUFFER_STATE) 0;
2416
2417 if ( b->yy_is_our_buffer )
2418 yy_flex_free( (void *) b->yy_ch_buf );
2419
2420 yy_flex_free( (void *) b );
2421 }
2422
2423
2424 #ifndef YY_ALWAYS_INTERACTIVE
2425 #ifndef YY_NEVER_INTERACTIVE
2426 extern int isatty YY_PROTO(( int ));
2427 #endif
2428 #endif
2429
2430 #ifdef YY_USE_PROTOS
2431 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
2432 #else
2433 void yy_init_buffer( b, file )
2434 YY_BUFFER_STATE b;
2435 FILE *file;
2436 #endif
2437
2438
2439 {
2440 yy_flush_buffer( b );
2441
2442 b->yy_input_file = file;
2443 b->yy_fill_buffer = 1;
2444
2445 #if YY_ALWAYS_INTERACTIVE
2446 b->yy_is_interactive = 1;
2447 #else
2448 #if YY_NEVER_INTERACTIVE
2449 b->yy_is_interactive = 0;
2450 #else
2451 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
2452 #endif
2453 #endif
2454 }
2455
2456
2457 #ifdef YY_USE_PROTOS
2458 void yy_flush_buffer( YY_BUFFER_STATE b )
2459 #else
2460 void yy_flush_buffer( b )
2461 YY_BUFFER_STATE b;
2462 #endif
2463
2464 {
2465 if ( ! b )
2466 return;
2467
2468 b->yy_n_chars = 0;
2469
2470 /* We always need two end-of-buffer characters. The first causes
2471 * a transition to the end-of-buffer state. The second causes
2472 * a jam in that state.
2473 */
2474 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
2475 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
2476
2477 b->yy_buf_pos = &b->yy_ch_buf[0];
2478
2479 b->yy_at_bol = 1;
2480 b->yy_buffer_status = YY_BUFFER_NEW;
2481
2482 if ( b == yy_current_buffer )
2483 yy_load_buffer_state();
2484 }
2485
2486
2487 #ifndef YY_NO_SCAN_BUFFER
2488 #ifdef YY_USE_PROTOS
2489 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
2490 #else
2491 YY_BUFFER_STATE yy_scan_buffer( base, size )
2492 char *base;
2493 yy_size_t size;
2494 #endif
2495 {
2496 YY_BUFFER_STATE b;
2497
2498 if ( size < 2 ||
2499 base[size-2] != YY_END_OF_BUFFER_CHAR ||
2500 base[size-1] != YY_END_OF_BUFFER_CHAR )
2501 /* They forgot to leave room for the EOB's. */
2502 return 0;
2503
2504 b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
2505 if ( ! b )
2506 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
2507
2508 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
2509 b->yy_buf_pos = b->yy_ch_buf = base;
2510 b->yy_is_our_buffer = 0;
2511 b->yy_input_file = 0;
2512 b->yy_n_chars = b->yy_buf_size;
2513 b->yy_is_interactive = 0;
2514 b->yy_at_bol = 1;
2515 b->yy_fill_buffer = 0;
2516 b->yy_buffer_status = YY_BUFFER_NEW;
2517
2518 yy_switch_to_buffer( b );
2519
2520 return b;
2521 }
2522 #endif
2523
2524
2525 #ifndef YY_NO_SCAN_STRING
2526 #ifdef YY_USE_PROTOS
2527 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
2528 #else
2529 YY_BUFFER_STATE yy_scan_string( yy_str )
2530 yyconst char *yy_str;
2531 #endif
2532 {
2533 int len;
2534 for ( len = 0; yy_str[len]; ++len )
2535 ;
2536
2537 return yy_scan_bytes( yy_str, len );
2538 }
2539 #endif
2540
2541
2542 #ifndef YY_NO_SCAN_BYTES
2543 #ifdef YY_USE_PROTOS
2544 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
2545 #else
2546 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
2547 yyconst char *bytes;
2548 int len;
2549 #endif
2550 {
2551 YY_BUFFER_STATE b;
2552 char *buf;
2553 yy_size_t n;
2554 int i;
2555
2556 /* Get memory for full buffer, including space for trailing EOB's. */
2557 n = len + 2;
2558 buf = (char *) yy_flex_alloc( n );
2559 if ( ! buf )
2560 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
2561
2562 for ( i = 0; i < len; ++i )
2563 buf[i] = bytes[i];
2564
2565 buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
2566
2567 b = yy_scan_buffer( buf, n );
2568 if ( ! b )
2569 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
2570
2571 /* It's okay to grow etc. this buffer, and we should throw it
2572 * away when we're done.
2573 */
2574 b->yy_is_our_buffer = 1;
2575
2576 return b;
2577 }
2578 #endif
2579
2580
2581 #ifndef YY_NO_PUSH_STATE
2582 #ifdef YY_USE_PROTOS
2583 static void yy_push_state( int new_state )
2584 #else
2585 static void yy_push_state( new_state )
2586 int new_state;
2587 #endif
2588 {
2589 if ( yy_start_stack_ptr >= yy_start_stack_depth )
2590 {
2591 yy_size_t new_size;
2592
2593 yy_start_stack_depth += YY_START_STACK_INCR;
2594 new_size = yy_start_stack_depth * sizeof( int );
2595
2596 if ( ! yy_start_stack )
2597 yy_start_stack = (int *) yy_flex_alloc( new_size );
2598
2599 else
2600 yy_start_stack = (int *) yy_flex_realloc(
2601 (void *) yy_start_stack, new_size );
2602
2603 if ( ! yy_start_stack )
2604 YY_FATAL_ERROR(
2605 "out of memory expanding start-condition stack" );
2606 }
2607
2608 yy_start_stack[yy_start_stack_ptr++] = YY_START;
2609
2610 BEGIN(new_state);
2611 }
2612 #endif
2613
2614
2615 #ifndef YY_NO_POP_STATE
2616 static void yy_pop_state()
2617 {
2618 if ( --yy_start_stack_ptr < 0 )
2619 YY_FATAL_ERROR( "start-condition stack underflow" );
2620
2621 BEGIN(yy_start_stack[yy_start_stack_ptr]);
2622 }
2623 #endif
2624
2625
2626 #ifndef YY_NO_TOP_STATE
2627 static int yy_top_state()
2628 {
2629 return yy_start_stack[yy_start_stack_ptr - 1];
2630 }
2631 #endif
2632
2633 #ifndef YY_EXIT_FAILURE
2634 #define YY_EXIT_FAILURE 2
2635 #endif
2636
2637 #ifdef YY_USE_PROTOS
2638 static void yy_fatal_error( yyconst char msg[] )
2639 #else
2640 static void yy_fatal_error( msg )
2641 char msg[];
2642 #endif
2643 {
2644 (void) fprintf( stderr, "%s\n", msg );
2645 exit( YY_EXIT_FAILURE );
2646 }
2647
2648
2649
2650 /* Redefine yyless() so it works in section 3 code. */
2651
2652 #undef yyless
2653 #define yyless(n) \
2654 do \
2655 { \
2656 /* Undo effects of setting up yytext. */ \
2657 yytext[yyleng] = yy_hold_char; \
2658 yy_c_buf_p = yytext + n; \
2659 yy_hold_char = *yy_c_buf_p; \
2660 *yy_c_buf_p = '\0'; \
2661 yyleng = n; \
2662 } \
2663 while ( 0 )
2664
2665
2666 /* Internal utility routines. */
2667
2668 #ifndef yytext_ptr
2669 #ifdef YY_USE_PROTOS
2670 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
2671 #else
2672 static void yy_flex_strncpy( s1, s2, n )
2673 char *s1;
2674 yyconst char *s2;
2675 int n;
2676 #endif
2677 {
2678 register int i;
2679 for ( i = 0; i < n; ++i )
2680 s1[i] = s2[i];
2681 }
2682 #endif
2683
2684 #ifdef YY_NEED_STRLEN
2685 #ifdef YY_USE_PROTOS
2686 static int yy_flex_strlen( yyconst char *s )
2687 #else
2688 static int yy_flex_strlen( s )
2689 yyconst char *s;
2690 #endif
2691 {
2692 register int n;
2693 for ( n = 0; s[n]; ++n )
2694 ;
2695
2696 return n;
2697 }
2698 #endif
2699
2700
2701 #ifdef YY_USE_PROTOS
2702 static void *yy_flex_alloc( yy_size_t size )
2703 #else
2704 static void *yy_flex_alloc( size )
2705 yy_size_t size;
2706 #endif
2707 {
2708 return (void *) malloc( size );
2709 }
2710
2711 #ifdef YY_USE_PROTOS
2712 static void *yy_flex_realloc( void *ptr, yy_size_t size )
2713 #else
2714 static void *yy_flex_realloc( ptr, size )
2715 void *ptr;
2716 yy_size_t size;
2717 #endif
2718 {
2719 /* The cast to (char *) in the following accommodates both
2720 * implementations that use char* generic pointers, and those
2721 * that use void* generic pointers. It works with the latter
2722 * because both ANSI C and C++ allow castless assignment from
2723 * any pointer type to void*, and deal with argument conversions
2724 * as though doing an assignment.
2725 */
2726 return (void *) realloc( (char *) ptr, size );
2727 }
2728
2729 #ifdef YY_USE_PROTOS
2730 static void yy_flex_free( void *ptr )
2731 #else
2732 static void yy_flex_free( ptr )
2733 void *ptr;
2734 #endif
2735 {
2736 free( ptr );
2737 }
2738
2739 #if YY_MAIN
2740 int main()
2741 {
2742 yylex();
2743 return 0;
2744 }
2745 #endif
2746 #line 528 "scan-gram.l"
2747
2748
2749 /*------------------------------------------------------------------.
2750 | TEXT is pointing to a wannabee semantic value (i.e., a `$'). |
2751 | |
2752 | Possible inputs: $[<TYPENAME>]($|integer) |
2753 | |
2754 | Output to the STRING_OBSTACK a reference to this semantic value. |
2755 `------------------------------------------------------------------*/
2756
2757 static inline void
2758 handle_action_dollar (char *text, location_t location)
2759 {
2760 const char *type_name = NULL;
2761 char *cp = text + 1;
2762
2763 /* Get the type name if explicit. */
2764 if (*cp == '<')
2765 {
2766 type_name = ++cp;
2767 while (*cp != '>')
2768 ++cp;
2769 *cp = '\0';
2770 ++cp;
2771 }
2772
2773 if (*cp == '$')
2774 {
2775 if (!type_name)
2776 type_name = symbol_list_n_type_name_get (current_rule, location, 0);
2777 if (!type_name && typed)
2778 complain_at (location, _("$$ of `%s' has no declared type"),
2779 symbol_tag_get (current_rule->sym));
2780 if (!type_name)
2781 type_name = "";
2782 obstack_fgrow1 (&string_obstack,
2783 "]b4_lhs_value([%s])[", type_name);
2784 }
2785 else if (isdigit (*cp) || *cp == '-')
2786 {
2787 /* RULE_LENGTH is the number of values in the current rule so
2788 far, which says where to find `$0' with respect to the top of
2789 the stack. It is not the same as the rule->length in the
2790 case of mid rule actions. */
2791 int rule_length = symbol_list_length (current_rule->next);
2792 int n = strtol (cp, &cp, 10);
2793
2794 if (n > rule_length)
2795 complain_at (location, _("invalid value: %s%d"), "$", n);
2796 else
2797 {
2798 if (!type_name && n > 0)
2799 type_name = symbol_list_n_type_name_get (current_rule, location,
2800 n);
2801 if (!type_name && typed)
2802 complain_at (location, _("$%d of `%s' has no declared type"),
2803 n, symbol_tag_get (current_rule->sym));
2804 if (!type_name)
2805 type_name = "";
2806 obstack_fgrow3 (&string_obstack,
2807 "]b4_rhs_value([%d], [%d], [%s])[",
2808 rule_length, n, type_name);
2809 }
2810 }
2811 else
2812 {
2813 complain_at (location, _("%s is invalid"), quote (text));
2814 }
2815 }
2816
2817
2818 /*---------------------------------------------------------------.
2819 | TEXT is expexted tp be $$ in some code associated to a symbol: |
2820 | destructor or printer. |
2821 `---------------------------------------------------------------*/
2822
2823 static inline void
2824 handle_symbol_code_dollar (char *text, location_t location)
2825 {
2826 char *cp = text + 1;
2827 if (*cp == '$')
2828 obstack_sgrow (&string_obstack, "]b4_dollar_dollar[");
2829 else
2830 complain_at (location, _("%s is invalid"), quote (text));
2831 }
2832
2833
2834 /*-----------------------------------------------------------------.
2835 | Dispatch onto handle_action_dollar, or handle_destructor_dollar, |
2836 | depending upon CODE_KIND. |
2837 `-----------------------------------------------------------------*/
2838
2839 static void
2840 handle_dollar (braced_code_t braced_code_kind,
2841 char *text, location_t location)
2842 {
2843 switch (braced_code_kind)
2844 {
2845 case action_braced_code:
2846 handle_action_dollar (text, location);
2847 break;
2848
2849 case destructor_braced_code:
2850 case printer_braced_code:
2851 handle_symbol_code_dollar (text, location);
2852 break;
2853 }
2854 }
2855
2856
2857 /*------------------------------------------------------.
2858 | TEXT is a location token (i.e., a `@...'). Output to |
2859 | STRING_OBSTACK a reference to this location. |
2860 `------------------------------------------------------*/
2861
2862 static inline void
2863 handle_action_at (char *text, location_t location)
2864 {
2865 char *cp = text + 1;
2866 locations_flag = 1;
2867
2868 if (*cp == '$')
2869 {
2870 obstack_sgrow (&string_obstack, "]b4_lhs_location[");
2871 }
2872 else if (isdigit (*cp) || *cp == '-')
2873 {
2874 /* RULE_LENGTH is the number of values in the current rule so
2875 far, which says where to find `$0' with respect to the top of
2876 the stack. It is not the same as the rule->length in the
2877 case of mid rule actions. */
2878 int rule_length = symbol_list_length (current_rule->next);
2879 int n = strtol (cp, &cp, 10);
2880
2881 if (n > rule_length)
2882 complain_at (location, _("invalid value: %s%d"), "@", n);
2883 else
2884 obstack_fgrow2 (&string_obstack, "]b4_rhs_location([%d], [%d])[",
2885 rule_length, n);
2886 }
2887 else
2888 {
2889 complain_at (location, _("%s is invalid"), quote (text));
2890 }
2891 }
2892
2893
2894 /*---------------------------------------------------------------.
2895 | TEXT is expexted tp be @$ in some code associated to a symbol: |
2896 | destructor or printer. |
2897 `---------------------------------------------------------------*/
2898
2899 static inline void
2900 handle_symbol_code_at (char *text, location_t location)
2901 {
2902 char *cp = text + 1;
2903 if (*cp == '$')
2904 obstack_sgrow (&string_obstack, "]b4_at_dollar[");
2905 else
2906 complain_at (location, _("%s is invalid"), quote (text));
2907 }
2908
2909
2910 /*-------------------------------------------------------------------.
2911 | Dispatch onto handle_action_at, or handle_destructor_at, depending |
2912 | upon CODE_KIND. |
2913 `-------------------------------------------------------------------*/
2914
2915 static void
2916 handle_at (braced_code_t braced_code_kind,
2917 char *text, location_t location)
2918 {
2919 switch (braced_code_kind)
2920 {
2921 case action_braced_code:
2922 handle_action_at (text, location);
2923 break;
2924
2925 case destructor_braced_code:
2926 case printer_braced_code:
2927 handle_symbol_code_at (text, location);
2928 break;
2929 }
2930 }
2931
2932
2933 /*-------------------------.
2934 | Initialize the scanner. |
2935 `-------------------------*/
2936
2937 void
2938 scanner_initialize (void)
2939 {
2940 obstack_init (&string_obstack);
2941 }
2942
2943
2944 /*-----------------------------------------------.
2945 | Free all the memory allocated to the scanner. |
2946 `-----------------------------------------------*/
2947
2948 void
2949 scanner_free (void)
2950 {
2951 obstack_free (&string_obstack, 0);
2952 }
bison