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AM_PROG_LEX -> AC_PROG_LEX.
[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 104
311 #define YY_END_OF_BUFFER 105
312 static yyconst short int yy_accept[398] =
313 { 0,
314 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
315 0, 0, 0, 0, 0, 0, 0, 0, 105, 52,
316 41, 40, 40, 45, 52, 44, 38, 42, 52, 43,
317 36, 39, 52, 35, 49, 37, 56, 57, 57, 58,
318 53, 54, 83, 86, 86, 82, 53, 85, 54, 78,
319 81, 81, 77, 80, 60, 61, 61, 59, 76, 63,
320 64, 64, 62, 96, 97, 97, 88, 98, 87, 91,
321 98, 53, 54, 93, 92, 100, 102, 102, 88, 101,
322 87, 91, 103, 103, 103, 88, 87, 91, 41, 40,
323 40, 40, 40, 51, 0, 0, 0, 0, 0, 0,
324
325 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
326 48, 42, 46, 47, 43, 0, 56, 57, 57, 57,
327 57, 55, 83, 86, 86, 86, 86, 84, 78, 81,
328 81, 81, 81, 79, 60, 61, 61, 61, 61, 75,
329 74, 75, 67, 68, 69, 70, 71, 72, 73, 75,
330 64, 64, 64, 64, 96, 97, 97, 97, 97, 94,
331 0, 94, 0, 89, 90, 95, 0, 95, 100, 102,
332 102, 102, 102, 99, 103, 103, 103, 103, 103, 89,
333 90, 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, 0, 0, 47, 50, 0,
337 0, 0, 90, 90, 90, 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, 0, 0, 0, 0, 65, 66, 0,
341 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
342 12, 0, 0, 0, 0, 0, 0, 0, 0, 0,
343 21, 0, 0, 0, 0, 0, 28, 0, 31, 0,
344 0, 34, 0, 2, 0, 0, 6, 0, 0, 0,
345 0, 0, 0, 0, 14, 0, 0, 0, 18, 0,
346
347 0, 0, 0, 24, 0, 27, 29, 32, 0, 1,
348 3, 0, 0, 8, 0, 0, 0, 0, 0, 0,
349 0, 0, 19, 0, 0, 0, 0, 0, 0, 4,
350 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
351 0, 22, 0, 0, 0, 33, 0, 0, 0, 0,
352 0, 0, 0, 0, 16, 17, 0, 0, 26, 0,
353 0, 0, 0, 0, 0, 25, 13, 0, 0, 0,
354 0, 5, 0, 0, 0, 11, 0, 0, 0, 0,
355 0, 9, 0, 15, 20, 23, 30, 0, 0, 7,
356 0, 0, 0, 0, 0, 10, 0
357
358 } ;
359
360 static yyconst int yy_ec[256] =
361 { 0,
362 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
363 1, 2, 4, 1, 1, 1, 1, 1, 1, 1,
364 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
365 1, 2, 1, 5, 1, 6, 7, 1, 8, 1,
366 1, 9, 1, 10, 11, 12, 13, 14, 14, 14,
367 14, 14, 14, 14, 14, 15, 15, 16, 17, 18,
368 19, 20, 1, 21, 22, 22, 22, 22, 22, 22,
369 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
370 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
371 23, 24, 25, 1, 26, 1, 27, 28, 29, 30,
372
373 31, 32, 33, 34, 35, 12, 36, 37, 38, 39,
374 40, 41, 12, 42, 43, 44, 45, 46, 12, 47,
375 48, 12, 49, 50, 51, 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 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
381 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
382 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
383
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, 1, 1, 1, 1, 1,
387 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
388 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
389 1, 1, 1, 1, 1
390 } ;
391
392 static yyconst int yy_meta[52] =
393 { 0,
394 1, 1, 2, 3, 4, 5, 6, 7, 8, 1,
395 1, 9, 10, 11, 11, 1, 1, 1, 1, 12,
396 5, 11, 13, 14, 13, 9, 11, 11, 11, 11,
397 11, 11, 9, 9, 9, 9, 9, 9, 9, 9,
398 9, 9, 9, 9, 9, 9, 9, 9, 5, 1,
399 5
400 } ;
401
402 static yyconst short int yy_base[424] =
403 { 0,
404 0, 0, 49, 52, 59, 62, 65, 88, 75, 90,
405 94, 97, 119, 168, 217, 240, 125, 152, 857, 858,
406 854, 56, 67, 858, 259, 858, 858, 0, 94, 94,
407 858, 858, 0, 858, 858, 858, 0, 112, 116, 842,
408 858, 858, 0, 131, 133, 858, 858, 0, 858, 0,
409 142, 148, 858, 0, 0, 150, 155, 858, 304, 858,
410 158, 160, 858, 0, 163, 175, 858, 181, 858, 97,
411 191, 858, 858, 858, 858, 0, 179, 181, 858, 803,
412 858, 130, 197, 200, 204, 206, 208, 223, 851, 210,
413 212, 225, 230, 858, 817, 100, 34, 816, 813, 86,
414
415 818, 191, 803, 196, 812, 144, 206, 807, 814, 817,
416 858, 0, 858, 0, 235, 823, 0, 248, 252, 254,
417 256, 858, 0, 258, 264, 266, 268, 858, 0, 270,
418 272, 274, 276, 858, 0, 278, 280, 282, 290, 858,
419 858, 828, 858, 858, 858, 858, 858, 858, 858, 0,
420 307, 310, 312, 316, 0, 318, 320, 322, 326, 858,
421 319, 323, 0, 858, 0, 858, 325, 327, 0, 341,
422 349, 351, 353, 858, 355, 357, 359, 361, 363, 365,
423 367, 802, 344, 798, 797, 797, 280, 795, 341, 807,
424 793, 796, 363, 802, 788, 789, 155, 788, 796, 797,
425
426 800, 784, 789, 783, 788, 780, 792, 0, 858, 806,
427 0, 799, 0, 374, 378, 791, 772, 781, 771, 783,
428 773, 781, 780, 779, 798, 764, 796, 779, 772, 773,
429 766, 775, 759, 759, 756, 769, 758, 765, 761, 757,
430 751, 754, 760, 759, 749, 760, 758, 858, 858, 369,
431 744, 752, 745, 741, 753, 739, 751, 768, 748, 736,
432 858, 735, 731, 743, 368, 738, 729, 733, 725, 738,
433 858, 724, 374, 723, 735, 721, 858, 725, 858, 724,
434 722, 858, 713, 858, 729, 714, 858, 380, 714, 716,
435 382, 729, 728, 719, 858, 712, 713, 708, 858, 706,
436
437 738, 717, 706, 858, 702, 858, 384, 858, 702, 858,
438 701, 714, 696, 858, 699, 700, 697, 696, 697, 694,
439 704, 694, 858, 692, 690, 704, 690, 685, 671, 858,
440 654, 643, 640, 612, 611, 624, 611, 617, 604, 617,
441 616, 858, 598, 598, 608, 858, 594, 591, 600, 563,
442 575, 567, 541, 548, 858, 858, 537, 512, 858, 526,
443 511, 522, 510, 499, 497, 858, 858, 500, 382, 376,
444 368, 858, 364, 351, 341, 858, 302, 309, 293, 275,
445 252, 858, 244, 858, 858, 858, 858, 233, 385, 858,
446 207, 163, 157, 138, 61, 858, 858, 411, 425, 439,
447
448 453, 467, 481, 495, 509, 138, 523, 537, 551, 563,
449 577, 589, 603, 616, 630, 644, 658, 672, 46, 686,
450 700, 714, 43
451 } ;
452
453 static yyconst short int yy_def[424] =
454 { 0,
455 397, 1, 398, 398, 399, 399, 400, 400, 401, 401,
456 402, 402, 403, 403, 404, 404, 405, 405, 397, 397,
457 397, 397, 397, 397, 397, 397, 397, 406, 397, 397,
458 397, 397, 407, 397, 397, 397, 408, 397, 397, 397,
459 397, 397, 409, 397, 397, 397, 397, 410, 397, 411,
460 397, 397, 397, 412, 413, 397, 397, 397, 414, 397,
461 397, 397, 397, 415, 397, 397, 397, 397, 397, 397,
462 397, 397, 397, 397, 397, 416, 397, 397, 397, 397,
463 397, 397, 417, 417, 417, 417, 417, 417, 397, 397,
464 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
465
466 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
467 397, 406, 397, 418, 397, 407, 408, 397, 397, 397,
468 397, 397, 409, 397, 397, 397, 397, 397, 411, 397,
469 397, 397, 397, 397, 413, 397, 397, 397, 397, 397,
470 397, 397, 397, 397, 397, 397, 397, 397, 397, 419,
471 397, 397, 397, 397, 415, 397, 397, 397, 397, 397,
472 397, 397, 420, 397, 421, 397, 397, 397, 416, 397,
473 397, 397, 397, 397, 417, 417, 417, 417, 417, 417,
474 422, 397, 397, 397, 397, 397, 397, 397, 397, 397,
475 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
476
477 397, 397, 397, 397, 397, 397, 397, 418, 397, 397,
478 423, 420, 421, 422, 422, 397, 397, 397, 397, 397,
479 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
480 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
481 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
482 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
483 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
484 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
485 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
486 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
487
488 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
489 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
490 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
491 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
492 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
493 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
494 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
495 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
496 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
497 397, 397, 397, 397, 397, 397, 0, 397, 397, 397,
498
499 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
500 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
501 397, 397, 397
502 } ;
503
504 static yyconst short int yy_nxt[910] =
505 { 0,
506 20, 21, 22, 23, 24, 20, 25, 26, 20, 27,
507 20, 28, 29, 30, 30, 31, 32, 33, 34, 20,
508 20, 28, 20, 20, 20, 28, 28, 28, 28, 28,
509 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
510 28, 28, 28, 28, 28, 28, 28, 28, 35, 36,
511 20, 38, 39, 249, 38, 39, 211, 40, 90, 91,
512 40, 44, 45, 46, 44, 45, 46, 51, 52, 92,
513 93, 41, 53, 42, 41, 185, 42, 56, 57, 58,
514 186, 47, 48, 49, 47, 48, 49, 47, 54, 49,
515 51, 52, 56, 57, 58, 53, 61, 62, 59, 61,
516
517 62, 63, 113, 396, 63, 164, 114, 115, 115, 165,
518 47, 54, 49, 59, 118, 119, 189, 59, 120, 121,
519 59, 65, 66, 67, 68, 190, 69, 84, 85, 86,
520 183, 70, 87, 124, 125, 126, 127, 88, 164, 71,
521 184, 72, 165, 73, 130, 131, 112, 47, 112, 49,
522 132, 133, 136, 137, 84, 85, 86, 138, 139, 87,
523 151, 152, 153, 154, 88, 156, 157, 74, 395, 75,
524 65, 66, 67, 68, 47, 69, 49, 158, 159, 200,
525 70, 170, 171, 172, 173, 236, 160, 201, 71, 237,
526 72, 161, 73, 394, 162, 162, 166, 393, 163, 176,
527
528 177, 167, 176, 178, 168, 168, 179, 177, 176, 177,
529 176, 177, 90, 91, 92, 93, 74, 192, 75, 77,
530 78, 79, 196, 80, 81, 176, 177, 90, 91, 82,
531 193, 180, 92, 93, 194, 181, 202, 197, 392, 47,
532 198, 49, 77, 78, 79, 203, 80, 81, 115, 115,
533 118, 119, 82, 204, 120, 121, 118, 119, 120, 121,
534 124, 125, 47, 390, 49, 94, 126, 127, 124, 125,
535 126, 127, 130, 131, 132, 133, 130, 131, 132, 133,
536 136, 137, 138, 139, 136, 137, 95, 389, 96, 97,
537 98, 99, 138, 139, 388, 100, 101, 102, 103, 104,
538
539 105, 106, 107, 108, 109, 387, 110, 111, 141, 151,
540 152, 141, 153, 154, 151, 152, 223, 142, 153, 154,
541 156, 157, 158, 159, 156, 157, 224, 141, 158, 159,
542 143, 144, 162, 162, 386, 145, 162, 162, 168, 168,
543 168, 168, 146, 170, 171, 147, 385, 148, 384, 149,
544 150, 172, 173, 170, 171, 172, 173, 176, 177, 176,
545 178, 179, 177, 179, 177, 176, 178, 176, 177, 176,
546 215, 217, 226, 231, 160, 218, 176, 215, 296, 161,
547 179, 215, 162, 162, 303, 383, 219, 227, 231, 213,
548 313, 213, 316, 296, 328, 391, 213, 382, 213, 303,
549
550 213, 232, 213, 381, 380, 313, 379, 316, 378, 328,
551 391, 37, 37, 37, 37, 37, 37, 37, 37, 37,
552 37, 37, 37, 37, 37, 43, 43, 43, 43, 43,
553 43, 43, 43, 43, 43, 43, 43, 43, 43, 50,
554 50, 50, 50, 50, 50, 50, 50, 50, 50, 50,
555 50, 50, 50, 55, 55, 55, 55, 55, 55, 55,
556 55, 55, 55, 55, 55, 55, 55, 60, 60, 60,
557 60, 60, 60, 60, 60, 60, 60, 60, 60, 60,
558 60, 64, 64, 64, 64, 64, 64, 64, 64, 64,
559 64, 64, 64, 64, 64, 76, 76, 76, 76, 76,
560
561 76, 76, 76, 76, 76, 76, 76, 76, 76, 83,
562 83, 83, 83, 83, 83, 83, 83, 83, 83, 83,
563 83, 83, 83, 116, 116, 116, 116, 116, 116, 116,
564 116, 116, 116, 116, 377, 116, 116, 117, 376, 375,
565 117, 117, 117, 117, 374, 117, 117, 117, 117, 373,
566 117, 123, 372, 371, 370, 123, 123, 123, 123, 123,
567 123, 123, 123, 128, 128, 128, 128, 128, 128, 128,
568 128, 128, 128, 128, 128, 128, 128, 129, 369, 368,
569 129, 129, 129, 367, 129, 129, 129, 129, 129, 134,
570 134, 134, 134, 134, 134, 134, 134, 134, 134, 134,
571
572 134, 134, 134, 135, 366, 365, 364, 135, 135, 135,
573 135, 135, 135, 135, 135, 135, 140, 140, 140, 140,
574 140, 140, 140, 140, 140, 140, 140, 140, 140, 140,
575 155, 363, 362, 361, 360, 155, 359, 155, 155, 358,
576 155, 155, 357, 155, 169, 356, 355, 354, 169, 353,
577 352, 169, 169, 351, 169, 169, 350, 169, 175, 175,
578 175, 175, 175, 175, 175, 175, 175, 175, 175, 175,
579 349, 175, 208, 348, 208, 208, 208, 208, 208, 208,
580 208, 208, 208, 208, 208, 208, 212, 212, 212, 212,
581 212, 212, 212, 212, 212, 212, 212, 347, 212, 212,
582
583 213, 346, 213, 213, 213, 213, 213, 213, 213, 213,
584 213, 213, 213, 213, 214, 214, 214, 214, 214, 214,
585 214, 214, 214, 214, 214, 214, 214, 214, 345, 344,
586 343, 342, 341, 340, 339, 338, 337, 336, 335, 334,
587 333, 332, 331, 330, 329, 327, 326, 325, 324, 323,
588 322, 321, 320, 319, 318, 317, 315, 314, 312, 311,
589 310, 309, 308, 307, 306, 305, 304, 302, 301, 300,
590 299, 298, 297, 295, 294, 293, 292, 291, 290, 289,
591 288, 287, 286, 285, 284, 283, 282, 281, 280, 279,
592 278, 277, 276, 275, 274, 273, 272, 271, 270, 269,
593
594 268, 267, 266, 265, 264, 263, 262, 261, 260, 259,
595 258, 257, 256, 255, 254, 253, 252, 251, 250, 248,
596 247, 246, 245, 244, 243, 242, 241, 240, 239, 238,
597 235, 234, 233, 230, 229, 228, 225, 222, 221, 220,
598 216, 210, 209, 207, 206, 205, 199, 195, 191, 188,
599 187, 182, 89, 174, 122, 89, 397, 19, 397, 397,
600 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
601 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
602 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
603 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
604
605 397, 397, 397, 397, 397, 397, 397, 397, 397
606 } ;
607
608 static yyconst short int yy_chk[910] =
609 { 0,
610 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
611 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
612 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
613 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
614 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
615 1, 3, 3, 423, 4, 4, 419, 3, 22, 22,
616 4, 5, 5, 5, 6, 6, 6, 7, 7, 23,
617 23, 3, 7, 3, 4, 97, 4, 9, 9, 9,
618 97, 5, 5, 5, 6, 6, 6, 7, 7, 7,
619 8, 8, 10, 10, 10, 8, 11, 11, 9, 12,
620
621 12, 11, 29, 395, 12, 70, 29, 30, 30, 70,
622 8, 8, 8, 10, 38, 38, 100, 11, 39, 39,
623 12, 13, 13, 13, 13, 100, 13, 17, 17, 17,
624 96, 13, 17, 44, 44, 45, 45, 17, 82, 13,
625 96, 13, 82, 13, 51, 51, 406, 17, 406, 17,
626 52, 52, 56, 56, 18, 18, 18, 57, 57, 18,
627 61, 61, 62, 62, 18, 65, 65, 13, 394, 13,
628 14, 14, 14, 14, 18, 14, 18, 66, 66, 106,
629 14, 77, 77, 78, 78, 197, 68, 106, 14, 197,
630 14, 68, 14, 393, 68, 68, 71, 392, 68, 83,
631
632 83, 71, 84, 84, 71, 71, 85, 85, 86, 86,
633 87, 87, 90, 90, 91, 91, 14, 102, 14, 15,
634 15, 15, 104, 15, 15, 88, 88, 92, 92, 15,
635 102, 88, 93, 93, 102, 88, 107, 104, 391, 15,
636 104, 15, 16, 16, 16, 107, 16, 16, 115, 115,
637 118, 118, 16, 107, 119, 119, 120, 120, 121, 121,
638 124, 124, 16, 388, 16, 25, 125, 125, 126, 126,
639 127, 127, 130, 130, 131, 131, 132, 132, 133, 133,
640 136, 136, 137, 137, 138, 138, 25, 383, 25, 25,
641 25, 25, 139, 139, 381, 25, 25, 25, 25, 25,
642
643 25, 25, 25, 25, 25, 380, 25, 25, 59, 151,
644 151, 59, 152, 152, 153, 153, 187, 59, 154, 154,
645 156, 156, 157, 157, 158, 158, 187, 59, 159, 159,
646 59, 59, 161, 161, 379, 59, 162, 162, 167, 167,
647 168, 168, 59, 170, 170, 59, 378, 59, 377, 59,
648 59, 171, 171, 172, 172, 173, 173, 175, 175, 176,
649 176, 177, 177, 178, 178, 179, 179, 180, 180, 181,
650 181, 183, 189, 193, 250, 183, 214, 214, 265, 250,
651 215, 215, 250, 250, 273, 375, 183, 189, 193, 181,
652 288, 181, 291, 265, 307, 389, 214, 374, 214, 273,
653
654 215, 193, 215, 373, 371, 288, 370, 291, 369, 307,
655 389, 398, 398, 398, 398, 398, 398, 398, 398, 398,
656 398, 398, 398, 398, 398, 399, 399, 399, 399, 399,
657 399, 399, 399, 399, 399, 399, 399, 399, 399, 400,
658 400, 400, 400, 400, 400, 400, 400, 400, 400, 400,
659 400, 400, 400, 401, 401, 401, 401, 401, 401, 401,
660 401, 401, 401, 401, 401, 401, 401, 402, 402, 402,
661 402, 402, 402, 402, 402, 402, 402, 402, 402, 402,
662 402, 403, 403, 403, 403, 403, 403, 403, 403, 403,
663 403, 403, 403, 403, 403, 404, 404, 404, 404, 404,
664
665 404, 404, 404, 404, 404, 404, 404, 404, 404, 405,
666 405, 405, 405, 405, 405, 405, 405, 405, 405, 405,
667 405, 405, 405, 407, 407, 407, 407, 407, 407, 407,
668 407, 407, 407, 407, 368, 407, 407, 408, 365, 364,
669 408, 408, 408, 408, 363, 408, 408, 408, 408, 362,
670 408, 409, 361, 360, 358, 409, 409, 409, 409, 409,
671 409, 409, 409, 410, 410, 410, 410, 410, 410, 410,
672 410, 410, 410, 410, 410, 410, 410, 411, 357, 354,
673 411, 411, 411, 353, 411, 411, 411, 411, 411, 412,
674 412, 412, 412, 412, 412, 412, 412, 412, 412, 412,
675
676 412, 412, 412, 413, 352, 351, 350, 413, 413, 413,
677 413, 413, 413, 413, 413, 413, 414, 414, 414, 414,
678 414, 414, 414, 414, 414, 414, 414, 414, 414, 414,
679 415, 349, 348, 347, 345, 415, 344, 415, 415, 343,
680 415, 415, 341, 415, 416, 340, 339, 338, 416, 337,
681 336, 416, 416, 335, 416, 416, 334, 416, 417, 417,
682 417, 417, 417, 417, 417, 417, 417, 417, 417, 417,
683 333, 417, 418, 332, 418, 418, 418, 418, 418, 418,
684 418, 418, 418, 418, 418, 418, 420, 420, 420, 420,
685 420, 420, 420, 420, 420, 420, 420, 331, 420, 420,
686
687 421, 329, 421, 421, 421, 421, 421, 421, 421, 421,
688 421, 421, 421, 421, 422, 422, 422, 422, 422, 422,
689 422, 422, 422, 422, 422, 422, 422, 422, 328, 327,
690 326, 325, 324, 322, 321, 320, 319, 318, 317, 316,
691 315, 313, 312, 311, 309, 305, 303, 302, 301, 300,
692 298, 297, 296, 294, 293, 292, 290, 289, 286, 285,
693 283, 281, 280, 278, 276, 275, 274, 272, 270, 269,
694 268, 267, 266, 264, 263, 262, 260, 259, 258, 257,
695 256, 255, 254, 253, 252, 251, 247, 246, 245, 244,
696 243, 242, 241, 240, 239, 238, 237, 236, 235, 234,
697
698 233, 232, 231, 230, 229, 228, 227, 226, 225, 224,
699 223, 222, 221, 220, 219, 218, 217, 216, 212, 210,
700 207, 206, 205, 204, 203, 202, 201, 200, 199, 198,
701 196, 195, 194, 192, 191, 190, 188, 186, 185, 184,
702 182, 142, 116, 110, 109, 108, 105, 103, 101, 99,
703 98, 95, 89, 80, 40, 21, 19, 397, 397, 397,
704 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
705 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
706 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
707 397, 397, 397, 397, 397, 397, 397, 397, 397, 397,
708
709 397, 397, 397, 397, 397, 397, 397, 397, 397
710 } ;
711
712 static yy_state_type yy_last_accepting_state;
713 static char *yy_last_accepting_cpos;
714
715 extern int yy_flex_debug;
716 int yy_flex_debug = 1;
717
718 static yyconst short int yy_rule_linenum[104] =
719 { 0,
720 119, 120, 121, 122, 123, 124, 125, 126, 127, 128,
721 129, 130, 131, 132, 133, 134, 135, 136, 137, 138,
722 139, 140, 141, 142, 143, 144, 145, 146, 147, 148,
723 149, 150, 151, 152, 154, 155, 156, 157, 158, 160,
724 161, 162, 168, 171, 174, 177, 178, 181, 184, 187,
725 195, 201, 217, 218, 229, 241, 242, 243, 260, 270,
726 272, 292, 308, 310, 330, 342, 346, 347, 348, 349,
727 350, 351, 352, 353, 354, 360, 371, 377, 378, 380,
728 382, 400, 406, 407, 409, 411, 429, 432, 435, 436,
729 439, 450, 462, 464, 466, 469, 470, 473, 493, 500,
730
731 501, 502, 522
732 } ;
733
734 /* The intent behind this definition is that it'll catch
735 * any uses of REJECT which flex missed.
736 */
737 #define REJECT reject_used_but_not_detected
738 #define yymore() yymore_used_but_not_detected
739 #define YY_MORE_ADJ 0
740 #define YY_RESTORE_YY_MORE_OFFSET
741 char *yytext;
742 #line 1 "scan-gram.l"
743 #define INITIAL 0
744 /* Bison Grammar Scanner -*- C -*-
745 Copyright (C) 2002 Free Software Foundation, Inc.
746
747 This file is part of Bison, the GNU Compiler Compiler.
748
749 This program is free software; you can redistribute it and/or modify
750 it under the terms of the GNU General Public License as published by
751 the Free Software Foundation; either version 2 of the License, or
752 (at your option) any later version.
753
754 This program is distributed in the hope that it will be useful,
755 but WITHOUT ANY WARRANTY; without even the implied warranty of
756 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
757 GNU General Public License for more details.
758
759 You should have received a copy of the GNU General Public License
760 along with this program; if not, write to the Free Software
761 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
762 02111-1307 USA
763 */
764 #define YY_NO_UNPUT 1
765 #define YY_NEVER_INTERACTIVE 1
766 #define YY_STACK_USED 1
767 #line 26 "scan-gram.l"
768 #include "system.h"
769 #include "complain.h"
770 #include "quote.h"
771 #include "getargs.h"
772 #include "gram.h"
773 #include "reader.h"
774
775 /* Each time we match a string, move the end cursor to its end. */
776 #define YY_USER_INIT \
777 do { \
778 LOCATION_RESET (*yylloc); \
779 yylloc->file = infile; \
780 /* This is only to avoid GCC warnings. */ \
781 if (yycontrol) {;}; \
782 } while (0)
783
784 #define YY_USER_ACTION LOCATION_COLUMNS (*yylloc, yyleng);
785 #define YY_LINES LOCATION_LINES (*yylloc, yyleng);
786 #define YY_STEP LOCATION_STEP (*yylloc);
787
788 /* STRING_OBSTACK -- Used to store all the characters that we need to
789 keep (to construct ID, STRINGS etc.). Use the following macros to
790 use it.
791
792 Use YY_OBS_GROW to append what has just been matched, and
793 YY_OBS_FINISH to end the string (it puts the ending 0).
794 YY_OBS_FINISH also stores this string in LAST_STRING, which can be
795 used, and which is used by YY_OBS_FREE to free the last string. */
796
797 static struct obstack string_obstack;
798 char *last_string;
799
800 #define YY_OBS_GROW \
801 obstack_grow (&string_obstack, yytext, yyleng)
802
803 #define YY_OBS_FINISH \
804 do { \
805 obstack_1grow (&string_obstack, '\0'); \
806 last_string = obstack_finish (&string_obstack); \
807 } while (0)
808
809 #define YY_OBS_FREE \
810 do { \
811 obstack_free (&string_obstack, last_string); \
812 } while (0)
813
814 void
815 scanner_last_string_free (void)
816 {
817 YY_OBS_FREE;
818 }
819
820
821 static int braces_level = 0;
822 static int percent_percent_count = 0;
823
824 /* Within well-formed rules, RULE_LENGTH is the number of values in
825 the current rule so far, which says where to find `$0' with respect
826 to the top of the stack. It is not the same as the rule->length in
827 the case of mid rule actions.
828
829 Outside of well-formed rules, RULE_LENGTH has an undefined value. */
830 static int rule_length;
831
832 static void handle_dollar (braced_code_t code_kind,
833 char *cp, location_t location);
834 static void handle_at (braced_code_t code_kind,
835 char *cp, location_t location);
836
837 #define SC_COMMENT 1
838
839 #define SC_STRING 2
840 #define SC_CHARACTER 3
841
842 #define SC_ESCAPED_STRING 4
843 #define SC_ESCAPED_CHARACTER 5
844
845 #define SC_BRACED_CODE 6
846 #define SC_PROLOGUE 7
847 #define SC_EPILOGUE 8
848
849 #line 850 "scan-gram.c"
850
851 /* Macros after this point can all be overridden by user definitions in
852 * section 1.
853 */
854
855 #ifndef YY_SKIP_YYWRAP
856 #ifdef __cplusplus
857 extern "C" int yywrap YY_PROTO(( void ));
858 #else
859 extern int yywrap YY_PROTO(( void ));
860 #endif
861 #endif
862
863 #ifndef YY_NO_UNPUT
864 static void yyunput YY_PROTO(( int c, char *buf_ptr ));
865 #endif
866
867 #ifndef yytext_ptr
868 static void yy_flex_strncpy YY_PROTO(( char *, yyconst char *, int ));
869 #endif
870
871 #ifdef YY_NEED_STRLEN
872 static int yy_flex_strlen YY_PROTO(( yyconst char * ));
873 #endif
874
875 #ifndef YY_NO_INPUT
876 #ifdef __cplusplus
877 static int yyinput YY_PROTO(( void ));
878 #else
879 static int input YY_PROTO(( void ));
880 #endif
881 #endif
882
883 #if YY_STACK_USED
884 static int yy_start_stack_ptr = 0;
885 static int yy_start_stack_depth = 0;
886 static int *yy_start_stack = 0;
887 #ifndef YY_NO_PUSH_STATE
888 static void yy_push_state YY_PROTO(( int new_state ));
889 #endif
890 #ifndef YY_NO_POP_STATE
891 static void yy_pop_state YY_PROTO(( void ));
892 #endif
893 #ifndef YY_NO_TOP_STATE
894 static int yy_top_state YY_PROTO(( void ));
895 #endif
896
897 #else
898 #define YY_NO_PUSH_STATE 1
899 #define YY_NO_POP_STATE 1
900 #define YY_NO_TOP_STATE 1
901 #endif
902
903 #ifdef YY_MALLOC_DECL
904 YY_MALLOC_DECL
905 #else
906 #if __STDC__
907 #ifndef __cplusplus
908 #include <stdlib.h>
909 #endif
910 #else
911 /* Just try to get by without declaring the routines. This will fail
912 * miserably on non-ANSI systems for which sizeof(size_t) != sizeof(int)
913 * or sizeof(void*) != sizeof(int).
914 */
915 #endif
916 #endif
917
918 /* Amount of stuff to slurp up with each read. */
919 #ifndef YY_READ_BUF_SIZE
920 #define YY_READ_BUF_SIZE 8192
921 #endif
922
923 /* Copy whatever the last rule matched to the standard output. */
924
925 #ifndef ECHO
926 /* This used to be an fputs(), but since the string might contain NUL's,
927 * we now use fwrite().
928 */
929 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
930 #endif
931
932 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
933 * is returned in "result".
934 */
935 #ifndef YY_INPUT
936 #define YY_INPUT(buf,result,max_size) \
937 if ( yy_current_buffer->yy_is_interactive ) \
938 { \
939 int c = '*', n; \
940 for ( n = 0; n < max_size && \
941 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
942 buf[n] = (char) c; \
943 if ( c == '\n' ) \
944 buf[n++] = (char) c; \
945 if ( c == EOF && ferror( yyin ) ) \
946 YY_FATAL_ERROR( "input in flex scanner failed" ); \
947 result = n; \
948 } \
949 else if ( ((result = fread( buf, 1, max_size, yyin )) == 0) \
950 && ferror( yyin ) ) \
951 YY_FATAL_ERROR( "input in flex scanner failed" );
952 #endif
953
954 /* No semi-colon after return; correct usage is to write "yyterminate();" -
955 * we don't want an extra ';' after the "return" because that will cause
956 * some compilers to complain about unreachable statements.
957 */
958 #ifndef yyterminate
959 #define yyterminate() return YY_NULL
960 #endif
961
962 /* Number of entries by which start-condition stack grows. */
963 #ifndef YY_START_STACK_INCR
964 #define YY_START_STACK_INCR 25
965 #endif
966
967 /* Report a fatal error. */
968 #ifndef YY_FATAL_ERROR
969 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
970 #endif
971
972 /* Default declaration of generated scanner - a define so the user can
973 * easily add parameters.
974 */
975 #ifndef YY_DECL
976 #define YY_DECL int yylex YY_PROTO(( void ))
977 #endif
978
979 /* Code executed at the beginning of each rule, after yytext and yyleng
980 * have been set up.
981 */
982 #ifndef YY_USER_ACTION
983 #define YY_USER_ACTION
984 #endif
985
986 /* Code executed at the end of each rule. */
987 #ifndef YY_BREAK
988 #define YY_BREAK break;
989 #endif
990
991 #define YY_RULE_SETUP \
992 YY_USER_ACTION
993
994 YY_DECL
995 {
996 register yy_state_type yy_current_state;
997 register char *yy_cp, *yy_bp;
998 register int yy_act;
999
1000 #line 106 "scan-gram.l"
1001
1002
1003 /* At each yylex invocation, mark the current position as the
1004 start of the next token. */
1005 YY_STEP;
1006
1007
1008
1009 /*----------------------------.
1010 | Scanning Bison directives. |
1011 `----------------------------*/
1012 #line 1013 "scan-gram.c"
1013
1014 if ( yy_init )
1015 {
1016 yy_init = 0;
1017
1018 #ifdef YY_USER_INIT
1019 YY_USER_INIT;
1020 #endif
1021
1022 if ( ! yy_start )
1023 yy_start = 1; /* first start state */
1024
1025 if ( ! yyin )
1026 yyin = stdin;
1027
1028 if ( ! yyout )
1029 yyout = stdout;
1030
1031 if ( ! yy_current_buffer )
1032 yy_current_buffer =
1033 yy_create_buffer( yyin, YY_BUF_SIZE );
1034
1035 yy_load_buffer_state();
1036 }
1037
1038 while ( 1 ) /* loops until end-of-file is reached */
1039 {
1040 yy_cp = yy_c_buf_p;
1041
1042 /* Support of yytext. */
1043 *yy_cp = yy_hold_char;
1044
1045 /* yy_bp points to the position in yy_ch_buf of the start of
1046 * the current run.
1047 */
1048 yy_bp = yy_cp;
1049
1050 yy_current_state = yy_start;
1051 yy_match:
1052 do
1053 {
1054 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
1055 if ( yy_accept[yy_current_state] )
1056 {
1057 yy_last_accepting_state = yy_current_state;
1058 yy_last_accepting_cpos = yy_cp;
1059 }
1060 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1061 {
1062 yy_current_state = (int) yy_def[yy_current_state];
1063 if ( yy_current_state >= 398 )
1064 yy_c = yy_meta[(unsigned int) yy_c];
1065 }
1066 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1067 ++yy_cp;
1068 }
1069 while ( yy_base[yy_current_state] != 858 );
1070
1071 yy_find_action:
1072 yy_act = yy_accept[yy_current_state];
1073 if ( yy_act == 0 )
1074 { /* have to back up */
1075 yy_cp = yy_last_accepting_cpos;
1076 yy_current_state = yy_last_accepting_state;
1077 yy_act = yy_accept[yy_current_state];
1078 }
1079
1080 YY_DO_BEFORE_ACTION;
1081
1082
1083 do_action: /* This label is used only to access EOF actions. */
1084
1085 if ( yy_flex_debug )
1086 {
1087 if ( yy_act == 0 )
1088 fprintf( stderr, "--scanner backing up\n" );
1089 else if ( yy_act < 104 )
1090 fprintf( stderr, "--accepting rule at line %d (\"%s\")\n",
1091 yy_rule_linenum[yy_act], yytext );
1092 else if ( yy_act == 104 )
1093 fprintf( stderr, "--accepting default rule (\"%s\")\n",
1094 yytext );
1095 else if ( yy_act == 105 )
1096 fprintf( stderr, "--(end of buffer or a NUL)\n" );
1097 else
1098 fprintf( stderr, "--EOF (start condition %d)\n", YY_START );
1099 }
1100
1101 switch ( yy_act )
1102 { /* beginning of action switch */
1103 case 0: /* must back up */
1104 /* undo the effects of YY_DO_BEFORE_ACTION */
1105 *yy_cp = yy_hold_char;
1106 yy_cp = yy_last_accepting_cpos;
1107 yy_current_state = yy_last_accepting_state;
1108 goto yy_find_action;
1109
1110
1111
1112 case 1:
1113 YY_RULE_SETUP
1114 #line 119 "scan-gram.l"
1115 return PERCENT_NONASSOC;
1116 YY_BREAK
1117 case 2:
1118 YY_RULE_SETUP
1119 #line 120 "scan-gram.l"
1120 return PERCENT_DEBUG;
1121 YY_BREAK
1122 case 3:
1123 YY_RULE_SETUP
1124 #line 121 "scan-gram.l"
1125 return PERCENT_DEFINE;
1126 YY_BREAK
1127 case 4:
1128 YY_RULE_SETUP
1129 #line 122 "scan-gram.l"
1130 return PERCENT_DEFINES;
1131 YY_BREAK
1132 case 5:
1133 YY_RULE_SETUP
1134 #line 123 "scan-gram.l"
1135 return PERCENT_DESTRUCTOR;
1136 YY_BREAK
1137 case 6:
1138 YY_RULE_SETUP
1139 #line 124 "scan-gram.l"
1140 return PERCENT_DPREC;
1141 YY_BREAK
1142 case 7:
1143 YY_RULE_SETUP
1144 #line 125 "scan-gram.l"
1145 return PERCENT_ERROR_VERBOSE;
1146 YY_BREAK
1147 case 8:
1148 YY_RULE_SETUP
1149 #line 126 "scan-gram.l"
1150 return PERCENT_EXPECT;
1151 YY_BREAK
1152 case 9:
1153 YY_RULE_SETUP
1154 #line 127 "scan-gram.l"
1155 return PERCENT_FILE_PREFIX;
1156 YY_BREAK
1157 case 10:
1158 YY_RULE_SETUP
1159 #line 128 "scan-gram.l"
1160 return PERCENT_YACC;
1161 YY_BREAK
1162 case 11:
1163 YY_RULE_SETUP
1164 #line 129 "scan-gram.l"
1165 return PERCENT_GLR_PARSER;
1166 YY_BREAK
1167 case 12:
1168 YY_RULE_SETUP
1169 #line 130 "scan-gram.l"
1170 return PERCENT_LEFT;
1171 YY_BREAK
1172 case 13:
1173 YY_RULE_SETUP
1174 #line 131 "scan-gram.l"
1175 return PERCENT_LOCATIONS;
1176 YY_BREAK
1177 case 14:
1178 YY_RULE_SETUP
1179 #line 132 "scan-gram.l"
1180 return PERCENT_MERGE;
1181 YY_BREAK
1182 case 15:
1183 YY_RULE_SETUP
1184 #line 133 "scan-gram.l"
1185 return PERCENT_NAME_PREFIX;
1186 YY_BREAK
1187 case 16:
1188 YY_RULE_SETUP
1189 #line 134 "scan-gram.l"
1190 return PERCENT_NO_LINES;
1191 YY_BREAK
1192 case 17:
1193 YY_RULE_SETUP
1194 #line 135 "scan-gram.l"
1195 return PERCENT_NONASSOC;
1196 YY_BREAK
1197 case 18:
1198 YY_RULE_SETUP
1199 #line 136 "scan-gram.l"
1200 return PERCENT_NTERM;
1201 YY_BREAK
1202 case 19:
1203 YY_RULE_SETUP
1204 #line 137 "scan-gram.l"
1205 return PERCENT_OUTPUT;
1206 YY_BREAK
1207 case 20:
1208 YY_RULE_SETUP
1209 #line 138 "scan-gram.l"
1210 return PERCENT_PARSE_PARAM;
1211 YY_BREAK
1212 case 21:
1213 YY_RULE_SETUP
1214 #line 139 "scan-gram.l"
1215 { rule_length--; return PERCENT_PREC; }
1216 YY_BREAK
1217 case 22:
1218 YY_RULE_SETUP
1219 #line 140 "scan-gram.l"
1220 return PERCENT_PRINTER;
1221 YY_BREAK
1222 case 23:
1223 YY_RULE_SETUP
1224 #line 141 "scan-gram.l"
1225 return PERCENT_PURE_PARSER;
1226 YY_BREAK
1227 case 24:
1228 YY_RULE_SETUP
1229 #line 142 "scan-gram.l"
1230 return PERCENT_RIGHT;
1231 YY_BREAK
1232 case 25:
1233 YY_RULE_SETUP
1234 #line 143 "scan-gram.l"
1235 return PERCENT_LEX_PARAM;
1236 YY_BREAK
1237 case 26:
1238 YY_RULE_SETUP
1239 #line 144 "scan-gram.l"
1240 return PERCENT_SKELETON;
1241 YY_BREAK
1242 case 27:
1243 YY_RULE_SETUP
1244 #line 145 "scan-gram.l"
1245 return PERCENT_START;
1246 YY_BREAK
1247 case 28:
1248 YY_RULE_SETUP
1249 #line 146 "scan-gram.l"
1250 return PERCENT_TOKEN;
1251 YY_BREAK
1252 case 29:
1253 YY_RULE_SETUP
1254 #line 147 "scan-gram.l"
1255 return PERCENT_TOKEN;
1256 YY_BREAK
1257 case 30:
1258 YY_RULE_SETUP
1259 #line 148 "scan-gram.l"
1260 return PERCENT_TOKEN_TABLE;
1261 YY_BREAK
1262 case 31:
1263 YY_RULE_SETUP
1264 #line 149 "scan-gram.l"
1265 return PERCENT_TYPE;
1266 YY_BREAK
1267 case 32:
1268 YY_RULE_SETUP
1269 #line 150 "scan-gram.l"
1270 return PERCENT_UNION;
1271 YY_BREAK
1272 case 33:
1273 YY_RULE_SETUP
1274 #line 151 "scan-gram.l"
1275 return PERCENT_VERBOSE;
1276 YY_BREAK
1277 case 34:
1278 YY_RULE_SETUP
1279 #line 152 "scan-gram.l"
1280 return PERCENT_YACC;
1281 YY_BREAK
1282 case 35:
1283 YY_RULE_SETUP
1284 #line 154 "scan-gram.l"
1285 return EQUAL;
1286 YY_BREAK
1287 case 36:
1288 YY_RULE_SETUP
1289 #line 155 "scan-gram.l"
1290 { rule_length = 0; return COLON; }
1291 YY_BREAK
1292 case 37:
1293 YY_RULE_SETUP
1294 #line 156 "scan-gram.l"
1295 { rule_length = 0; return PIPE; }
1296 YY_BREAK
1297 case 38:
1298 YY_RULE_SETUP
1299 #line 157 "scan-gram.l"
1300 return COMMA;
1301 YY_BREAK
1302 case 39:
1303 YY_RULE_SETUP
1304 #line 158 "scan-gram.l"
1305 return SEMICOLON;
1306 YY_BREAK
1307 case 40:
1308 YY_RULE_SETUP
1309 #line 160 "scan-gram.l"
1310 YY_LINES; YY_STEP;
1311 YY_BREAK
1312 case 41:
1313 YY_RULE_SETUP
1314 #line 161 "scan-gram.l"
1315 YY_STEP;
1316 YY_BREAK
1317 case 42:
1318 YY_RULE_SETUP
1319 #line 162 "scan-gram.l"
1320 {
1321 yylval->symbol = symbol_get (yytext, *yylloc);
1322 rule_length++;
1323 return ID;
1324 }
1325 YY_BREAK
1326 case 43:
1327 YY_RULE_SETUP
1328 #line 168 "scan-gram.l"
1329 yylval->integer = strtol (yytext, 0, 10); return INT;
1330 YY_BREAK
1331 /* Characters. We don't check there is only one. */
1332 case 44:
1333 YY_RULE_SETUP
1334 #line 171 "scan-gram.l"
1335 YY_OBS_GROW; yy_push_state (SC_ESCAPED_CHARACTER);
1336 YY_BREAK
1337 /* Strings. */
1338 case 45:
1339 YY_RULE_SETUP
1340 #line 174 "scan-gram.l"
1341 YY_OBS_GROW; yy_push_state (SC_ESCAPED_STRING);
1342 YY_BREAK
1343 /* Comments. */
1344 case 46:
1345 YY_RULE_SETUP
1346 #line 177 "scan-gram.l"
1347 yy_push_state (SC_COMMENT);
1348 YY_BREAK
1349 case 47:
1350 YY_RULE_SETUP
1351 #line 178 "scan-gram.l"
1352 YY_STEP;
1353 YY_BREAK
1354 /* Prologue. */
1355 case 48:
1356 YY_RULE_SETUP
1357 #line 181 "scan-gram.l"
1358 yy_push_state (SC_PROLOGUE);
1359 YY_BREAK
1360 /* Code in between braces. */
1361 case 49:
1362 YY_RULE_SETUP
1363 #line 184 "scan-gram.l"
1364 YY_OBS_GROW; ++braces_level; yy_push_state (SC_BRACED_CODE);
1365 YY_BREAK
1366 /* A type. */
1367 case 50:
1368 YY_RULE_SETUP
1369 #line 187 "scan-gram.l"
1370 {
1371 obstack_grow (&string_obstack, yytext + 1, yyleng - 2);
1372 YY_OBS_FINISH;
1373 yylval->string = last_string;
1374 return TYPE;
1375 }
1376 YY_BREAK
1377 case 51:
1378 YY_RULE_SETUP
1379 #line 195 "scan-gram.l"
1380 {
1381 if (++percent_percent_count == 2)
1382 yy_push_state (SC_EPILOGUE);
1383 return PERCENT_PERCENT;
1384 }
1385 YY_BREAK
1386 case 52:
1387 YY_RULE_SETUP
1388 #line 201 "scan-gram.l"
1389 {
1390 LOCATION_PRINT (stderr, *yylloc);
1391 fprintf (stderr, _(": invalid character: `%c'\n"), *yytext);
1392 YY_STEP;
1393 }
1394 YY_BREAK
1395
1396 /*------------------------------------------------------------.
1397 | Whatever the start condition (but those which correspond to |
1398 | entity `swallowed' by Bison: SC_ESCAPED_STRING and |
1399 | SC_ESCAPED_CHARACTER), no M4 character must escape as is. |
1400 `------------------------------------------------------------*/
1401
1402
1403 case 53:
1404 YY_RULE_SETUP
1405 #line 217 "scan-gram.l"
1406 if (YY_START != SC_COMMENT) obstack_sgrow (&string_obstack, "@<:@");
1407 YY_BREAK
1408 case 54:
1409 YY_RULE_SETUP
1410 #line 218 "scan-gram.l"
1411 if (YY_START != SC_COMMENT) obstack_sgrow (&string_obstack, "@:>@");
1412 YY_BREAK
1413
1414 /*-----------------------------------------------------------.
1415 | Scanning a C comment. The initial `/ *' is already eaten. |
1416 `-----------------------------------------------------------*/
1417
1418
1419 case 55:
1420 YY_RULE_SETUP
1421 #line 229 "scan-gram.l"
1422 { /* End of the comment. */
1423 if (yy_top_state () == INITIAL)
1424 {
1425 YY_STEP;
1426 }
1427 else
1428 {
1429 YY_OBS_GROW;
1430 }
1431 yy_pop_state ();
1432 }
1433 YY_BREAK
1434 case 56:
1435 YY_RULE_SETUP
1436 #line 241 "scan-gram.l"
1437 if (yy_top_state () != INITIAL) YY_OBS_GROW;
1438 YY_BREAK
1439 case 57:
1440 YY_RULE_SETUP
1441 #line 242 "scan-gram.l"
1442 if (yy_top_state () != INITIAL) YY_OBS_GROW; YY_LINES;
1443 YY_BREAK
1444 case 58:
1445 YY_RULE_SETUP
1446 #line 243 "scan-gram.l"
1447 /* Stray `*'. */if (yy_top_state () != INITIAL) YY_OBS_GROW;
1448 YY_BREAK
1449 case YY_STATE_EOF(SC_COMMENT):
1450 #line 245 "scan-gram.l"
1451 {
1452 LOCATION_PRINT (stderr, *yylloc);
1453 fprintf (stderr, _(": unexpected end of file in a comment\n"));
1454 yy_pop_state ();
1455 }
1456 YY_BREAK
1457
1458 /*----------------------------------------------------------------.
1459 | Scanning a C string, including its escapes. The initial `"' is |
1460 | already eaten. |
1461 `----------------------------------------------------------------*/
1462
1463
1464 case 59:
1465 YY_RULE_SETUP
1466 #line 260 "scan-gram.l"
1467 {
1468 assert (yy_top_state () == INITIAL);
1469 YY_OBS_GROW;
1470 YY_OBS_FINISH;
1471 yylval->string = last_string;
1472 yy_pop_state ();
1473 rule_length++;
1474 return STRING;
1475 }
1476 YY_BREAK
1477 case 60:
1478 YY_RULE_SETUP
1479 #line 270 "scan-gram.l"
1480 YY_OBS_GROW;
1481 YY_BREAK
1482 case 61:
1483 YY_RULE_SETUP
1484 #line 272 "scan-gram.l"
1485 obstack_1grow (&string_obstack, '\n'); YY_LINES;
1486 YY_BREAK
1487 case YY_STATE_EOF(SC_ESCAPED_STRING):
1488 #line 274 "scan-gram.l"
1489 {
1490 LOCATION_PRINT (stderr, *yylloc);
1491 fprintf (stderr, _(": unexpected end of file in a string\n"));
1492 assert (yy_top_state () == INITIAL);
1493 YY_OBS_FINISH;
1494 yylval->string = last_string;
1495 yy_pop_state ();
1496 return STRING;
1497 }
1498 YY_BREAK
1499
1500 /*---------------------------------------------------------------.
1501 | Scanning a C character, decoding its escapes. The initial "'" |
1502 | is already eaten. |
1503 `---------------------------------------------------------------*/
1504
1505
1506 case 62:
1507 YY_RULE_SETUP
1508 #line 292 "scan-gram.l"
1509 {
1510 YY_OBS_GROW;
1511 assert (yy_top_state () == INITIAL);
1512 {
1513 YY_OBS_FINISH;
1514 yylval->symbol = symbol_get (last_string, *yylloc);
1515 symbol_class_set (yylval->symbol, token_sym, *yylloc);
1516 symbol_user_token_number_set (yylval->symbol,
1517 (unsigned char) last_string[1], *yylloc);
1518 YY_OBS_FREE;
1519 yy_pop_state ();
1520 rule_length++;
1521 return ID;
1522 }
1523 }
1524 YY_BREAK
1525 case 63:
1526 YY_RULE_SETUP
1527 #line 308 "scan-gram.l"
1528 YY_OBS_GROW;
1529 YY_BREAK
1530 case 64:
1531 YY_RULE_SETUP
1532 #line 310 "scan-gram.l"
1533 obstack_1grow (&string_obstack, '\n'); YY_LINES;
1534 YY_BREAK
1535 case YY_STATE_EOF(SC_ESCAPED_CHARACTER):
1536 #line 312 "scan-gram.l"
1537 {
1538 LOCATION_PRINT (stderr, *yylloc);
1539 fprintf (stderr, _(": unexpected end of file in a character\n"));
1540 assert (yy_top_state () == INITIAL);
1541 YY_OBS_FINISH;
1542 yylval->string = last_string;
1543 yy_pop_state ();
1544 return CHARACTER;
1545 }
1546 YY_BREAK
1547
1548 /*----------------------------.
1549 | Decode escaped characters. |
1550 `----------------------------*/
1551
1552
1553 case 65:
1554 YY_RULE_SETUP
1555 #line 330 "scan-gram.l"
1556 {
1557 long c = strtol (yytext + 1, 0, 8);
1558 if (c > 255)
1559 {
1560 LOCATION_PRINT (stderr, *yylloc);
1561 fprintf (stderr, _(": invalid escape: %s\n"), quote (yytext));
1562 YY_STEP;
1563 }
1564 else
1565 obstack_1grow (&string_obstack, c);
1566 }
1567 YY_BREAK
1568 case 66:
1569 YY_RULE_SETUP
1570 #line 342 "scan-gram.l"
1571 {
1572 obstack_1grow (&string_obstack, strtol (yytext + 2, 0, 16));
1573 }
1574 YY_BREAK
1575 case 67:
1576 YY_RULE_SETUP
1577 #line 346 "scan-gram.l"
1578 obstack_1grow (&string_obstack, '\a');
1579 YY_BREAK
1580 case 68:
1581 YY_RULE_SETUP
1582 #line 347 "scan-gram.l"
1583 obstack_1grow (&string_obstack, '\b');
1584 YY_BREAK
1585 case 69:
1586 YY_RULE_SETUP
1587 #line 348 "scan-gram.l"
1588 obstack_1grow (&string_obstack, '\f');
1589 YY_BREAK
1590 case 70:
1591 YY_RULE_SETUP
1592 #line 349 "scan-gram.l"
1593 obstack_1grow (&string_obstack, '\n');
1594 YY_BREAK
1595 case 71:
1596 YY_RULE_SETUP
1597 #line 350 "scan-gram.l"
1598 obstack_1grow (&string_obstack, '\r');
1599 YY_BREAK
1600 case 72:
1601 YY_RULE_SETUP
1602 #line 351 "scan-gram.l"
1603 obstack_1grow (&string_obstack, '\t');
1604 YY_BREAK
1605 case 73:
1606 YY_RULE_SETUP
1607 #line 352 "scan-gram.l"
1608 obstack_1grow (&string_obstack, '\v');
1609 YY_BREAK
1610 case 74:
1611 YY_RULE_SETUP
1612 #line 353 "scan-gram.l"
1613 obstack_1grow (&string_obstack, yytext[1]);
1614 YY_BREAK
1615 case 75:
1616 YY_RULE_SETUP
1617 #line 354 "scan-gram.l"
1618 {
1619 LOCATION_PRINT (stderr, *yylloc);
1620 fprintf (stderr, _(": unrecognized escape: %s\n"), quote (yytext));
1621 YY_OBS_GROW;
1622 }
1623 YY_BREAK
1624 /* FLex wants this rule, in case of a `\<<EOF>>'. */
1625 case 76:
1626 YY_RULE_SETUP
1627 #line 360 "scan-gram.l"
1628 YY_OBS_GROW;
1629 YY_BREAK
1630
1631 /*----------------------------------------------------------.
1632 | Scanning a C character without decoding its escapes. The |
1633 | initial "'" is already eaten. |
1634 `----------------------------------------------------------*/
1635
1636
1637 case 77:
1638 YY_RULE_SETUP
1639 #line 371 "scan-gram.l"
1640 {
1641 YY_OBS_GROW;
1642 assert (yy_top_state () != INITIAL);
1643 yy_pop_state ();
1644 }
1645 YY_BREAK
1646 case 78:
1647 YY_RULE_SETUP
1648 #line 377 "scan-gram.l"
1649 YY_OBS_GROW;
1650 YY_BREAK
1651 case 79:
1652 YY_RULE_SETUP
1653 #line 378 "scan-gram.l"
1654 YY_OBS_GROW;
1655 YY_BREAK
1656 /* FLex wants this rule, in case of a `\<<EOF>>'. */
1657 case 80:
1658 YY_RULE_SETUP
1659 #line 380 "scan-gram.l"
1660 YY_OBS_GROW;
1661 YY_BREAK
1662 case 81:
1663 YY_RULE_SETUP
1664 #line 382 "scan-gram.l"
1665 YY_OBS_GROW; YY_LINES;
1666 YY_BREAK
1667 case YY_STATE_EOF(SC_CHARACTER):
1668 #line 384 "scan-gram.l"
1669 {
1670 LOCATION_PRINT (stderr, *yylloc);
1671 fprintf (stderr, _(": unexpected end of file in a character\n"));
1672 assert (yy_top_state () != INITIAL);
1673 yy_pop_state ();
1674 }
1675 YY_BREAK
1676
1677 /*----------------------------------------------------------------.
1678 | Scanning a C string, without decoding its escapes. The initial |
1679 | `"' is already eaten. |
1680 `----------------------------------------------------------------*/
1681
1682
1683 case 82:
1684 YY_RULE_SETUP
1685 #line 400 "scan-gram.l"
1686 {
1687 assert (yy_top_state () != INITIAL);
1688 YY_OBS_GROW;
1689 yy_pop_state ();
1690 }
1691 YY_BREAK
1692 case 83:
1693 YY_RULE_SETUP
1694 #line 406 "scan-gram.l"
1695 YY_OBS_GROW;
1696 YY_BREAK
1697 case 84:
1698 YY_RULE_SETUP
1699 #line 407 "scan-gram.l"
1700 YY_OBS_GROW;
1701 YY_BREAK
1702 /* FLex wants this rule, in case of a `\<<EOF>>'. */
1703 case 85:
1704 YY_RULE_SETUP
1705 #line 409 "scan-gram.l"
1706 YY_OBS_GROW;
1707 YY_BREAK
1708 case 86:
1709 YY_RULE_SETUP
1710 #line 411 "scan-gram.l"
1711 YY_OBS_GROW; YY_LINES;
1712 YY_BREAK
1713 case YY_STATE_EOF(SC_STRING):
1714 #line 413 "scan-gram.l"
1715 {
1716 LOCATION_PRINT (stderr, *yylloc);
1717 fprintf (stderr, _(": unexpected end of file in a string\n"));
1718 assert (yy_top_state () != INITIAL);
1719 yy_pop_state ();
1720 }
1721 YY_BREAK
1722
1723 /*---------------------------------------------------.
1724 | Strings, comments etc. can be found in user code. |
1725 `---------------------------------------------------*/
1726
1727
1728 /* Characters. We don't check there is only one. */
1729 case 87:
1730 YY_RULE_SETUP
1731 #line 429 "scan-gram.l"
1732 YY_OBS_GROW; yy_push_state (SC_CHARACTER);
1733 YY_BREAK
1734 /* Strings. */
1735 case 88:
1736 YY_RULE_SETUP
1737 #line 432 "scan-gram.l"
1738 YY_OBS_GROW; yy_push_state (SC_STRING);
1739 YY_BREAK
1740 /* Comments. */
1741 case 89:
1742 YY_RULE_SETUP
1743 #line 435 "scan-gram.l"
1744 YY_OBS_GROW; yy_push_state (SC_COMMENT);
1745 YY_BREAK
1746 case 90:
1747 YY_RULE_SETUP
1748 #line 436 "scan-gram.l"
1749 YY_OBS_GROW;
1750 YY_BREAK
1751 /* Not comments. */
1752 case 91:
1753 YY_RULE_SETUP
1754 #line 439 "scan-gram.l"
1755 YY_OBS_GROW;
1756 YY_BREAK
1757
1758 /*---------------------------------------------------------------.
1759 | Scanning some code in braces (%union and actions). The initial |
1760 | "{" is already eaten. |
1761 `---------------------------------------------------------------*/
1762
1763
1764 case 92:
1765 YY_RULE_SETUP
1766 #line 450 "scan-gram.l"
1767 {
1768 YY_OBS_GROW;
1769 if (--braces_level == 0)
1770 {
1771 yy_pop_state ();
1772 YY_OBS_FINISH;
1773 yylval->string = last_string;
1774 rule_length++;
1775 return BRACED_CODE;
1776 }
1777 }
1778 YY_BREAK
1779 case 93:
1780 YY_RULE_SETUP
1781 #line 462 "scan-gram.l"
1782 YY_OBS_GROW; braces_level++;
1783 YY_BREAK
1784 case 94:
1785 YY_RULE_SETUP
1786 #line 464 "scan-gram.l"
1787 { handle_dollar (current_braced_code,
1788 yytext, *yylloc); }
1789 YY_BREAK
1790 case 95:
1791 YY_RULE_SETUP
1792 #line 466 "scan-gram.l"
1793 { handle_at (current_braced_code,
1794 yytext, *yylloc); }
1795 YY_BREAK
1796 case 96:
1797 YY_RULE_SETUP
1798 #line 469 "scan-gram.l"
1799 YY_OBS_GROW;
1800 YY_BREAK
1801 case 97:
1802 YY_RULE_SETUP
1803 #line 470 "scan-gram.l"
1804 YY_OBS_GROW; YY_LINES;
1805 YY_BREAK
1806 /* A lose $, or /, or etc. */
1807 case 98:
1808 YY_RULE_SETUP
1809 #line 473 "scan-gram.l"
1810 YY_OBS_GROW;
1811 YY_BREAK
1812 case YY_STATE_EOF(SC_BRACED_CODE):
1813 #line 475 "scan-gram.l"
1814 {
1815 LOCATION_PRINT (stderr, *yylloc);
1816 fprintf (stderr, _(": unexpected end of file in a braced code\n"));
1817 yy_pop_state ();
1818 YY_OBS_FINISH;
1819 yylval->string = last_string;
1820 return BRACED_CODE;
1821 }
1822 YY_BREAK
1823
1824 /*--------------------------------------------------------------.
1825 | Scanning some prologue: from "%{" (already scanned) to "%}". |
1826 `--------------------------------------------------------------*/
1827
1828
1829 case 99:
1830 YY_RULE_SETUP
1831 #line 493 "scan-gram.l"
1832 {
1833 yy_pop_state ();
1834 YY_OBS_FINISH;
1835 yylval->string = last_string;
1836 return PROLOGUE;
1837 }
1838 YY_BREAK
1839 case 100:
1840 YY_RULE_SETUP
1841 #line 500 "scan-gram.l"
1842 YY_OBS_GROW;
1843 YY_BREAK
1844 case 101:
1845 YY_RULE_SETUP
1846 #line 501 "scan-gram.l"
1847 YY_OBS_GROW;
1848 YY_BREAK
1849 case 102:
1850 YY_RULE_SETUP
1851 #line 502 "scan-gram.l"
1852 YY_OBS_GROW; YY_LINES;
1853 YY_BREAK
1854 case YY_STATE_EOF(SC_PROLOGUE):
1855 #line 504 "scan-gram.l"
1856 {
1857 LOCATION_PRINT (stderr, *yylloc);
1858 fprintf (stderr, _(": unexpected end of file in a prologue\n"));
1859 yy_pop_state ();
1860 YY_OBS_FINISH;
1861 yylval->string = last_string;
1862 return PROLOGUE;
1863 }
1864 YY_BREAK
1865
1866 /*---------------------------------------------------------------.
1867 | Scanning the epilogue (everything after the second "%%", which |
1868 | has already been eaten. |
1869 `---------------------------------------------------------------*/
1870
1871
1872 case 103:
1873 YY_RULE_SETUP
1874 #line 522 "scan-gram.l"
1875 YY_OBS_GROW;
1876 YY_BREAK
1877 case YY_STATE_EOF(SC_EPILOGUE):
1878 #line 524 "scan-gram.l"
1879 {
1880 yy_pop_state ();
1881 YY_OBS_FINISH;
1882 yylval->string = last_string;
1883 return EPILOGUE;
1884 }
1885 YY_BREAK
1886
1887 case 104:
1888 YY_RULE_SETUP
1889 #line 533 "scan-gram.l"
1890 YY_FATAL_ERROR( "flex scanner jammed" );
1891 YY_BREAK
1892 #line 1893 "scan-gram.c"
1893 case YY_STATE_EOF(INITIAL):
1894 yyterminate();
1895
1896 case YY_END_OF_BUFFER:
1897 {
1898 /* Amount of text matched not including the EOB char. */
1899 int yy_amount_of_matched_text = (int) (yy_cp - yytext_ptr) - 1;
1900
1901 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1902 *yy_cp = yy_hold_char;
1903 YY_RESTORE_YY_MORE_OFFSET
1904
1905 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_NEW )
1906 {
1907 /* We're scanning a new file or input source. It's
1908 * possible that this happened because the user
1909 * just pointed yyin at a new source and called
1910 * yylex(). If so, then we have to assure
1911 * consistency between yy_current_buffer and our
1912 * globals. Here is the right place to do so, because
1913 * this is the first action (other than possibly a
1914 * back-up) that will match for the new input source.
1915 */
1916 yy_n_chars = yy_current_buffer->yy_n_chars;
1917 yy_current_buffer->yy_input_file = yyin;
1918 yy_current_buffer->yy_buffer_status = YY_BUFFER_NORMAL;
1919 }
1920
1921 /* Note that here we test for yy_c_buf_p "<=" to the position
1922 * of the first EOB in the buffer, since yy_c_buf_p will
1923 * already have been incremented past the NUL character
1924 * (since all states make transitions on EOB to the
1925 * end-of-buffer state). Contrast this with the test
1926 * in input().
1927 */
1928 if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] )
1929 { /* This was really a NUL. */
1930 yy_state_type yy_next_state;
1931
1932 yy_c_buf_p = yytext_ptr + yy_amount_of_matched_text;
1933
1934 yy_current_state = yy_get_previous_state();
1935
1936 /* Okay, we're now positioned to make the NUL
1937 * transition. We couldn't have
1938 * yy_get_previous_state() go ahead and do it
1939 * for us because it doesn't know how to deal
1940 * with the possibility of jamming (and we don't
1941 * want to build jamming into it because then it
1942 * will run more slowly).
1943 */
1944
1945 yy_next_state = yy_try_NUL_trans( yy_current_state );
1946
1947 yy_bp = yytext_ptr + YY_MORE_ADJ;
1948
1949 if ( yy_next_state )
1950 {
1951 /* Consume the NUL. */
1952 yy_cp = ++yy_c_buf_p;
1953 yy_current_state = yy_next_state;
1954 goto yy_match;
1955 }
1956
1957 else
1958 {
1959 yy_cp = yy_c_buf_p;
1960 goto yy_find_action;
1961 }
1962 }
1963
1964 else switch ( yy_get_next_buffer() )
1965 {
1966 case EOB_ACT_END_OF_FILE:
1967 {
1968 yy_did_buffer_switch_on_eof = 0;
1969
1970 if ( yywrap() )
1971 {
1972 /* Note: because we've taken care in
1973 * yy_get_next_buffer() to have set up
1974 * yytext, we can now set up
1975 * yy_c_buf_p so that if some total
1976 * hoser (like flex itself) wants to
1977 * call the scanner after we return the
1978 * YY_NULL, it'll still work - another
1979 * YY_NULL will get returned.
1980 */
1981 yy_c_buf_p = yytext_ptr + YY_MORE_ADJ;
1982
1983 yy_act = YY_STATE_EOF(YY_START);
1984 goto do_action;
1985 }
1986
1987 else
1988 {
1989 if ( ! yy_did_buffer_switch_on_eof )
1990 YY_NEW_FILE;
1991 }
1992 break;
1993 }
1994
1995 case EOB_ACT_CONTINUE_SCAN:
1996 yy_c_buf_p =
1997 yytext_ptr + yy_amount_of_matched_text;
1998
1999 yy_current_state = yy_get_previous_state();
2000
2001 yy_cp = yy_c_buf_p;
2002 yy_bp = yytext_ptr + YY_MORE_ADJ;
2003 goto yy_match;
2004
2005 case EOB_ACT_LAST_MATCH:
2006 yy_c_buf_p =
2007 &yy_current_buffer->yy_ch_buf[yy_n_chars];
2008
2009 yy_current_state = yy_get_previous_state();
2010
2011 yy_cp = yy_c_buf_p;
2012 yy_bp = yytext_ptr + YY_MORE_ADJ;
2013 goto yy_find_action;
2014 }
2015 break;
2016 }
2017
2018 default:
2019 YY_FATAL_ERROR(
2020 "fatal flex scanner internal error--no action found" );
2021 } /* end of action switch */
2022 } /* end of scanning one token */
2023 } /* end of yylex */
2024
2025
2026 /* yy_get_next_buffer - try to read in a new buffer
2027 *
2028 * Returns a code representing an action:
2029 * EOB_ACT_LAST_MATCH -
2030 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
2031 * EOB_ACT_END_OF_FILE - end of file
2032 */
2033
2034 static int yy_get_next_buffer()
2035 {
2036 register char *dest = yy_current_buffer->yy_ch_buf;
2037 register char *source = yytext_ptr;
2038 register int number_to_move, i;
2039 int ret_val;
2040
2041 if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] )
2042 YY_FATAL_ERROR(
2043 "fatal flex scanner internal error--end of buffer missed" );
2044
2045 if ( yy_current_buffer->yy_fill_buffer == 0 )
2046 { /* Don't try to fill the buffer, so this is an EOF. */
2047 if ( yy_c_buf_p - yytext_ptr - YY_MORE_ADJ == 1 )
2048 {
2049 /* We matched a single character, the EOB, so
2050 * treat this as a final EOF.
2051 */
2052 return EOB_ACT_END_OF_FILE;
2053 }
2054
2055 else
2056 {
2057 /* We matched some text prior to the EOB, first
2058 * process it.
2059 */
2060 return EOB_ACT_LAST_MATCH;
2061 }
2062 }
2063
2064 /* Try to read more data. */
2065
2066 /* First move last chars to start of buffer. */
2067 number_to_move = (int) (yy_c_buf_p - yytext_ptr) - 1;
2068
2069 for ( i = 0; i < number_to_move; ++i )
2070 *(dest++) = *(source++);
2071
2072 if ( yy_current_buffer->yy_buffer_status == YY_BUFFER_EOF_PENDING )
2073 /* don't do the read, it's not guaranteed to return an EOF,
2074 * just force an EOF
2075 */
2076 yy_current_buffer->yy_n_chars = yy_n_chars = 0;
2077
2078 else
2079 {
2080 int num_to_read =
2081 yy_current_buffer->yy_buf_size - number_to_move - 1;
2082
2083 while ( num_to_read <= 0 )
2084 { /* Not enough room in the buffer - grow it. */
2085 #ifdef YY_USES_REJECT
2086 YY_FATAL_ERROR(
2087 "input buffer overflow, can't enlarge buffer because scanner uses REJECT" );
2088 #else
2089
2090 /* just a shorter name for the current buffer */
2091 YY_BUFFER_STATE b = yy_current_buffer;
2092
2093 int yy_c_buf_p_offset =
2094 (int) (yy_c_buf_p - b->yy_ch_buf);
2095
2096 if ( b->yy_is_our_buffer )
2097 {
2098 int new_size = b->yy_buf_size * 2;
2099
2100 if ( new_size <= 0 )
2101 b->yy_buf_size += b->yy_buf_size / 8;
2102 else
2103 b->yy_buf_size *= 2;
2104
2105 b->yy_ch_buf = (char *)
2106 /* Include room in for 2 EOB chars. */
2107 yy_flex_realloc( (void *) b->yy_ch_buf,
2108 b->yy_buf_size + 2 );
2109 }
2110 else
2111 /* Can't grow it, we don't own it. */
2112 b->yy_ch_buf = 0;
2113
2114 if ( ! b->yy_ch_buf )
2115 YY_FATAL_ERROR(
2116 "fatal error - scanner input buffer overflow" );
2117
2118 yy_c_buf_p = &b->yy_ch_buf[yy_c_buf_p_offset];
2119
2120 num_to_read = yy_current_buffer->yy_buf_size -
2121 number_to_move - 1;
2122 #endif
2123 }
2124
2125 if ( num_to_read > YY_READ_BUF_SIZE )
2126 num_to_read = YY_READ_BUF_SIZE;
2127
2128 /* Read in more data. */
2129 YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]),
2130 yy_n_chars, num_to_read );
2131
2132 yy_current_buffer->yy_n_chars = yy_n_chars;
2133 }
2134
2135 if ( yy_n_chars == 0 )
2136 {
2137 if ( number_to_move == YY_MORE_ADJ )
2138 {
2139 ret_val = EOB_ACT_END_OF_FILE;
2140 yyrestart( yyin );
2141 }
2142
2143 else
2144 {
2145 ret_val = EOB_ACT_LAST_MATCH;
2146 yy_current_buffer->yy_buffer_status =
2147 YY_BUFFER_EOF_PENDING;
2148 }
2149 }
2150
2151 else
2152 ret_val = EOB_ACT_CONTINUE_SCAN;
2153
2154 yy_n_chars += number_to_move;
2155 yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR;
2156 yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR;
2157
2158 yytext_ptr = &yy_current_buffer->yy_ch_buf[0];
2159
2160 return ret_val;
2161 }
2162
2163
2164 /* yy_get_previous_state - get the state just before the EOB char was reached */
2165
2166 static yy_state_type yy_get_previous_state()
2167 {
2168 register yy_state_type yy_current_state;
2169 register char *yy_cp;
2170
2171 yy_current_state = yy_start;
2172
2173 for ( yy_cp = yytext_ptr + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp )
2174 {
2175 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
2176 if ( yy_accept[yy_current_state] )
2177 {
2178 yy_last_accepting_state = yy_current_state;
2179 yy_last_accepting_cpos = yy_cp;
2180 }
2181 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
2182 {
2183 yy_current_state = (int) yy_def[yy_current_state];
2184 if ( yy_current_state >= 398 )
2185 yy_c = yy_meta[(unsigned int) yy_c];
2186 }
2187 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
2188 }
2189
2190 return yy_current_state;
2191 }
2192
2193
2194 /* yy_try_NUL_trans - try to make a transition on the NUL character
2195 *
2196 * synopsis
2197 * next_state = yy_try_NUL_trans( current_state );
2198 */
2199
2200 #ifdef YY_USE_PROTOS
2201 static yy_state_type yy_try_NUL_trans( yy_state_type yy_current_state )
2202 #else
2203 static yy_state_type yy_try_NUL_trans( yy_current_state )
2204 yy_state_type yy_current_state;
2205 #endif
2206 {
2207 register int yy_is_jam;
2208 register char *yy_cp = yy_c_buf_p;
2209
2210 register YY_CHAR yy_c = 1;
2211 if ( yy_accept[yy_current_state] )
2212 {
2213 yy_last_accepting_state = yy_current_state;
2214 yy_last_accepting_cpos = yy_cp;
2215 }
2216 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
2217 {
2218 yy_current_state = (int) yy_def[yy_current_state];
2219 if ( yy_current_state >= 398 )
2220 yy_c = yy_meta[(unsigned int) yy_c];
2221 }
2222 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
2223 yy_is_jam = (yy_current_state == 397);
2224
2225 return yy_is_jam ? 0 : yy_current_state;
2226 }
2227
2228
2229 #ifndef YY_NO_UNPUT
2230 #ifdef YY_USE_PROTOS
2231 static void yyunput( int c, register char *yy_bp )
2232 #else
2233 static void yyunput( c, yy_bp )
2234 int c;
2235 register char *yy_bp;
2236 #endif
2237 {
2238 register char *yy_cp = yy_c_buf_p;
2239
2240 /* undo effects of setting up yytext */
2241 *yy_cp = yy_hold_char;
2242
2243 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
2244 { /* need to shift things up to make room */
2245 /* +2 for EOB chars. */
2246 register int number_to_move = yy_n_chars + 2;
2247 register char *dest = &yy_current_buffer->yy_ch_buf[
2248 yy_current_buffer->yy_buf_size + 2];
2249 register char *source =
2250 &yy_current_buffer->yy_ch_buf[number_to_move];
2251
2252 while ( source > yy_current_buffer->yy_ch_buf )
2253 *--dest = *--source;
2254
2255 yy_cp += (int) (dest - source);
2256 yy_bp += (int) (dest - source);
2257 yy_current_buffer->yy_n_chars =
2258 yy_n_chars = yy_current_buffer->yy_buf_size;
2259
2260 if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 )
2261 YY_FATAL_ERROR( "flex scanner push-back overflow" );
2262 }
2263
2264 *--yy_cp = (char) c;
2265
2266
2267 yytext_ptr = yy_bp;
2268 yy_hold_char = *yy_cp;
2269 yy_c_buf_p = yy_cp;
2270 }
2271 #endif /* ifndef YY_NO_UNPUT */
2272
2273
2274 #ifdef __cplusplus
2275 static int yyinput()
2276 #else
2277 static int input()
2278 #endif
2279 {
2280 int c;
2281
2282 *yy_c_buf_p = yy_hold_char;
2283
2284 if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR )
2285 {
2286 /* yy_c_buf_p now points to the character we want to return.
2287 * If this occurs *before* the EOB characters, then it's a
2288 * valid NUL; if not, then we've hit the end of the buffer.
2289 */
2290 if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] )
2291 /* This was really a NUL. */
2292 *yy_c_buf_p = '\0';
2293
2294 else
2295 { /* need more input */
2296 int offset = yy_c_buf_p - yytext_ptr;
2297 ++yy_c_buf_p;
2298
2299 switch ( yy_get_next_buffer() )
2300 {
2301 case EOB_ACT_LAST_MATCH:
2302 /* This happens because yy_g_n_b()
2303 * sees that we've accumulated a
2304 * token and flags that we need to
2305 * try matching the token before
2306 * proceeding. But for input(),
2307 * there's no matching to consider.
2308 * So convert the EOB_ACT_LAST_MATCH
2309 * to EOB_ACT_END_OF_FILE.
2310 */
2311
2312 /* Reset buffer status. */
2313 yyrestart( yyin );
2314
2315 /* fall through */
2316
2317 case EOB_ACT_END_OF_FILE:
2318 {
2319 if ( yywrap() )
2320 return EOF;
2321
2322 if ( ! yy_did_buffer_switch_on_eof )
2323 YY_NEW_FILE;
2324 #ifdef __cplusplus
2325 return yyinput();
2326 #else
2327 return input();
2328 #endif
2329 }
2330
2331 case EOB_ACT_CONTINUE_SCAN:
2332 yy_c_buf_p = yytext_ptr + offset;
2333 break;
2334 }
2335 }
2336 }
2337
2338 c = *(unsigned char *) yy_c_buf_p; /* cast for 8-bit char's */
2339 *yy_c_buf_p = '\0'; /* preserve yytext */
2340 yy_hold_char = *++yy_c_buf_p;
2341
2342
2343 return c;
2344 }
2345
2346
2347 #ifdef YY_USE_PROTOS
2348 void yyrestart( FILE *input_file )
2349 #else
2350 void yyrestart( input_file )
2351 FILE *input_file;
2352 #endif
2353 {
2354 if ( ! yy_current_buffer )
2355 yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE );
2356
2357 yy_init_buffer( yy_current_buffer, input_file );
2358 yy_load_buffer_state();
2359 }
2360
2361
2362 #ifdef YY_USE_PROTOS
2363 void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer )
2364 #else
2365 void yy_switch_to_buffer( new_buffer )
2366 YY_BUFFER_STATE new_buffer;
2367 #endif
2368 {
2369 if ( yy_current_buffer == new_buffer )
2370 return;
2371
2372 if ( yy_current_buffer )
2373 {
2374 /* Flush out information for old buffer. */
2375 *yy_c_buf_p = yy_hold_char;
2376 yy_current_buffer->yy_buf_pos = yy_c_buf_p;
2377 yy_current_buffer->yy_n_chars = yy_n_chars;
2378 }
2379
2380 yy_current_buffer = new_buffer;
2381 yy_load_buffer_state();
2382
2383 /* We don't actually know whether we did this switch during
2384 * EOF (yywrap()) processing, but the only time this flag
2385 * is looked at is after yywrap() is called, so it's safe
2386 * to go ahead and always set it.
2387 */
2388 yy_did_buffer_switch_on_eof = 1;
2389 }
2390
2391
2392 #ifdef YY_USE_PROTOS
2393 void yy_load_buffer_state( void )
2394 #else
2395 void yy_load_buffer_state()
2396 #endif
2397 {
2398 yy_n_chars = yy_current_buffer->yy_n_chars;
2399 yytext_ptr = yy_c_buf_p = yy_current_buffer->yy_buf_pos;
2400 yyin = yy_current_buffer->yy_input_file;
2401 yy_hold_char = *yy_c_buf_p;
2402 }
2403
2404
2405 #ifdef YY_USE_PROTOS
2406 YY_BUFFER_STATE yy_create_buffer( FILE *file, int size )
2407 #else
2408 YY_BUFFER_STATE yy_create_buffer( file, size )
2409 FILE *file;
2410 int size;
2411 #endif
2412 {
2413 YY_BUFFER_STATE b;
2414
2415 b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
2416 if ( ! b )
2417 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
2418
2419 b->yy_buf_size = size;
2420
2421 /* yy_ch_buf has to be 2 characters longer than the size given because
2422 * we need to put in 2 end-of-buffer characters.
2423 */
2424 b->yy_ch_buf = (char *) yy_flex_alloc( b->yy_buf_size + 2 );
2425 if ( ! b->yy_ch_buf )
2426 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
2427
2428 b->yy_is_our_buffer = 1;
2429
2430 yy_init_buffer( b, file );
2431
2432 return b;
2433 }
2434
2435
2436 #ifdef YY_USE_PROTOS
2437 void yy_delete_buffer( YY_BUFFER_STATE b )
2438 #else
2439 void yy_delete_buffer( b )
2440 YY_BUFFER_STATE b;
2441 #endif
2442 {
2443 if ( ! b )
2444 return;
2445
2446 if ( b == yy_current_buffer )
2447 yy_current_buffer = (YY_BUFFER_STATE) 0;
2448
2449 if ( b->yy_is_our_buffer )
2450 yy_flex_free( (void *) b->yy_ch_buf );
2451
2452 yy_flex_free( (void *) b );
2453 }
2454
2455
2456 #ifndef YY_ALWAYS_INTERACTIVE
2457 #ifndef YY_NEVER_INTERACTIVE
2458 extern int isatty YY_PROTO(( int ));
2459 #endif
2460 #endif
2461
2462 #ifdef YY_USE_PROTOS
2463 void yy_init_buffer( YY_BUFFER_STATE b, FILE *file )
2464 #else
2465 void yy_init_buffer( b, file )
2466 YY_BUFFER_STATE b;
2467 FILE *file;
2468 #endif
2469
2470
2471 {
2472 yy_flush_buffer( b );
2473
2474 b->yy_input_file = file;
2475 b->yy_fill_buffer = 1;
2476
2477 #if YY_ALWAYS_INTERACTIVE
2478 b->yy_is_interactive = 1;
2479 #else
2480 #if YY_NEVER_INTERACTIVE
2481 b->yy_is_interactive = 0;
2482 #else
2483 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
2484 #endif
2485 #endif
2486 }
2487
2488
2489 #ifdef YY_USE_PROTOS
2490 void yy_flush_buffer( YY_BUFFER_STATE b )
2491 #else
2492 void yy_flush_buffer( b )
2493 YY_BUFFER_STATE b;
2494 #endif
2495
2496 {
2497 if ( ! b )
2498 return;
2499
2500 b->yy_n_chars = 0;
2501
2502 /* We always need two end-of-buffer characters. The first causes
2503 * a transition to the end-of-buffer state. The second causes
2504 * a jam in that state.
2505 */
2506 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
2507 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
2508
2509 b->yy_buf_pos = &b->yy_ch_buf[0];
2510
2511 b->yy_at_bol = 1;
2512 b->yy_buffer_status = YY_BUFFER_NEW;
2513
2514 if ( b == yy_current_buffer )
2515 yy_load_buffer_state();
2516 }
2517
2518
2519 #ifndef YY_NO_SCAN_BUFFER
2520 #ifdef YY_USE_PROTOS
2521 YY_BUFFER_STATE yy_scan_buffer( char *base, yy_size_t size )
2522 #else
2523 YY_BUFFER_STATE yy_scan_buffer( base, size )
2524 char *base;
2525 yy_size_t size;
2526 #endif
2527 {
2528 YY_BUFFER_STATE b;
2529
2530 if ( size < 2 ||
2531 base[size-2] != YY_END_OF_BUFFER_CHAR ||
2532 base[size-1] != YY_END_OF_BUFFER_CHAR )
2533 /* They forgot to leave room for the EOB's. */
2534 return 0;
2535
2536 b = (YY_BUFFER_STATE) yy_flex_alloc( sizeof( struct yy_buffer_state ) );
2537 if ( ! b )
2538 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
2539
2540 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
2541 b->yy_buf_pos = b->yy_ch_buf = base;
2542 b->yy_is_our_buffer = 0;
2543 b->yy_input_file = 0;
2544 b->yy_n_chars = b->yy_buf_size;
2545 b->yy_is_interactive = 0;
2546 b->yy_at_bol = 1;
2547 b->yy_fill_buffer = 0;
2548 b->yy_buffer_status = YY_BUFFER_NEW;
2549
2550 yy_switch_to_buffer( b );
2551
2552 return b;
2553 }
2554 #endif
2555
2556
2557 #ifndef YY_NO_SCAN_STRING
2558 #ifdef YY_USE_PROTOS
2559 YY_BUFFER_STATE yy_scan_string( yyconst char *yy_str )
2560 #else
2561 YY_BUFFER_STATE yy_scan_string( yy_str )
2562 yyconst char *yy_str;
2563 #endif
2564 {
2565 int len;
2566 for ( len = 0; yy_str[len]; ++len )
2567 ;
2568
2569 return yy_scan_bytes( yy_str, len );
2570 }
2571 #endif
2572
2573
2574 #ifndef YY_NO_SCAN_BYTES
2575 #ifdef YY_USE_PROTOS
2576 YY_BUFFER_STATE yy_scan_bytes( yyconst char *bytes, int len )
2577 #else
2578 YY_BUFFER_STATE yy_scan_bytes( bytes, len )
2579 yyconst char *bytes;
2580 int len;
2581 #endif
2582 {
2583 YY_BUFFER_STATE b;
2584 char *buf;
2585 yy_size_t n;
2586 int i;
2587
2588 /* Get memory for full buffer, including space for trailing EOB's. */
2589 n = len + 2;
2590 buf = (char *) yy_flex_alloc( n );
2591 if ( ! buf )
2592 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
2593
2594 for ( i = 0; i < len; ++i )
2595 buf[i] = bytes[i];
2596
2597 buf[len] = buf[len+1] = YY_END_OF_BUFFER_CHAR;
2598
2599 b = yy_scan_buffer( buf, n );
2600 if ( ! b )
2601 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
2602
2603 /* It's okay to grow etc. this buffer, and we should throw it
2604 * away when we're done.
2605 */
2606 b->yy_is_our_buffer = 1;
2607
2608 return b;
2609 }
2610 #endif
2611
2612
2613 #ifndef YY_NO_PUSH_STATE
2614 #ifdef YY_USE_PROTOS
2615 static void yy_push_state( int new_state )
2616 #else
2617 static void yy_push_state( new_state )
2618 int new_state;
2619 #endif
2620 {
2621 if ( yy_start_stack_ptr >= yy_start_stack_depth )
2622 {
2623 yy_size_t new_size;
2624
2625 yy_start_stack_depth += YY_START_STACK_INCR;
2626 new_size = yy_start_stack_depth * sizeof( int );
2627
2628 if ( ! yy_start_stack )
2629 yy_start_stack = (int *) yy_flex_alloc( new_size );
2630
2631 else
2632 yy_start_stack = (int *) yy_flex_realloc(
2633 (void *) yy_start_stack, new_size );
2634
2635 if ( ! yy_start_stack )
2636 YY_FATAL_ERROR(
2637 "out of memory expanding start-condition stack" );
2638 }
2639
2640 yy_start_stack[yy_start_stack_ptr++] = YY_START;
2641
2642 BEGIN(new_state);
2643 }
2644 #endif
2645
2646
2647 #ifndef YY_NO_POP_STATE
2648 static void yy_pop_state()
2649 {
2650 if ( --yy_start_stack_ptr < 0 )
2651 YY_FATAL_ERROR( "start-condition stack underflow" );
2652
2653 BEGIN(yy_start_stack[yy_start_stack_ptr]);
2654 }
2655 #endif
2656
2657
2658 #ifndef YY_NO_TOP_STATE
2659 static int yy_top_state()
2660 {
2661 return yy_start_stack[yy_start_stack_ptr - 1];
2662 }
2663 #endif
2664
2665 #ifndef YY_EXIT_FAILURE
2666 #define YY_EXIT_FAILURE 2
2667 #endif
2668
2669 #ifdef YY_USE_PROTOS
2670 static void yy_fatal_error( yyconst char msg[] )
2671 #else
2672 static void yy_fatal_error( msg )
2673 char msg[];
2674 #endif
2675 {
2676 (void) fprintf( stderr, "%s\n", msg );
2677 exit( YY_EXIT_FAILURE );
2678 }
2679
2680
2681
2682 /* Redefine yyless() so it works in section 3 code. */
2683
2684 #undef yyless
2685 #define yyless(n) \
2686 do \
2687 { \
2688 /* Undo effects of setting up yytext. */ \
2689 yytext[yyleng] = yy_hold_char; \
2690 yy_c_buf_p = yytext + n; \
2691 yy_hold_char = *yy_c_buf_p; \
2692 *yy_c_buf_p = '\0'; \
2693 yyleng = n; \
2694 } \
2695 while ( 0 )
2696
2697
2698 /* Internal utility routines. */
2699
2700 #ifndef yytext_ptr
2701 #ifdef YY_USE_PROTOS
2702 static void yy_flex_strncpy( char *s1, yyconst char *s2, int n )
2703 #else
2704 static void yy_flex_strncpy( s1, s2, n )
2705 char *s1;
2706 yyconst char *s2;
2707 int n;
2708 #endif
2709 {
2710 register int i;
2711 for ( i = 0; i < n; ++i )
2712 s1[i] = s2[i];
2713 }
2714 #endif
2715
2716 #ifdef YY_NEED_STRLEN
2717 #ifdef YY_USE_PROTOS
2718 static int yy_flex_strlen( yyconst char *s )
2719 #else
2720 static int yy_flex_strlen( s )
2721 yyconst char *s;
2722 #endif
2723 {
2724 register int n;
2725 for ( n = 0; s[n]; ++n )
2726 ;
2727
2728 return n;
2729 }
2730 #endif
2731
2732
2733 #ifdef YY_USE_PROTOS
2734 static void *yy_flex_alloc( yy_size_t size )
2735 #else
2736 static void *yy_flex_alloc( size )
2737 yy_size_t size;
2738 #endif
2739 {
2740 return (void *) malloc( size );
2741 }
2742
2743 #ifdef YY_USE_PROTOS
2744 static void *yy_flex_realloc( void *ptr, yy_size_t size )
2745 #else
2746 static void *yy_flex_realloc( ptr, size )
2747 void *ptr;
2748 yy_size_t size;
2749 #endif
2750 {
2751 /* The cast to (char *) in the following accommodates both
2752 * implementations that use char* generic pointers, and those
2753 * that use void* generic pointers. It works with the latter
2754 * because both ANSI C and C++ allow castless assignment from
2755 * any pointer type to void*, and deal with argument conversions
2756 * as though doing an assignment.
2757 */
2758 return (void *) realloc( (char *) ptr, size );
2759 }
2760
2761 #ifdef YY_USE_PROTOS
2762 static void yy_flex_free( void *ptr )
2763 #else
2764 static void yy_flex_free( ptr )
2765 void *ptr;
2766 #endif
2767 {
2768 free( ptr );
2769 }
2770
2771 #if YY_MAIN
2772 int main()
2773 {
2774 yylex();
2775 return 0;
2776 }
2777 #endif
2778 #line 533 "scan-gram.l"
2779
2780
2781 /*------------------------------------------------------------------.
2782 | TEXT is pointing to a wannabee semantic value (i.e., a `$'). |
2783 | |
2784 | Possible inputs: $[<TYPENAME>]($|integer) |
2785 | |
2786 | Output to the STRING_OBSTACK a reference to this semantic value. |
2787 `------------------------------------------------------------------*/
2788
2789 static inline void
2790 handle_action_dollar (char *text, location_t location)
2791 {
2792 const char *type_name = NULL;
2793 char *cp = text + 1;
2794
2795 /* Get the type name if explicit. */
2796 if (*cp == '<')
2797 {
2798 type_name = ++cp;
2799 while (*cp != '>')
2800 ++cp;
2801 *cp = '\0';
2802 ++cp;
2803 }
2804
2805 if (*cp == '$')
2806 {
2807 if (!type_name)
2808 type_name = symbol_list_n_type_name_get (current_rule, location, 0);
2809 if (!type_name && typed)
2810 complain_at (location, _("$$ of `%s' has no declared type"),
2811 current_rule->sym->tag);
2812 if (!type_name)
2813 type_name = "";
2814 obstack_fgrow1 (&string_obstack,
2815 "]b4_lhs_value([%s])[", type_name);
2816 }
2817 else if (('0' <= *cp && *cp <= '9') || *cp == '-')
2818 {
2819 int n = strtol (cp, &cp, 10);
2820
2821 if (n > rule_length)
2822 complain_at (location, _("invalid value: %s%d"), "$", n);
2823 else
2824 {
2825 if (!type_name && n > 0)
2826 type_name = symbol_list_n_type_name_get (current_rule, location,
2827 n);
2828 if (!type_name && typed)
2829 complain_at (location, _("$%d of `%s' has no declared type"),
2830 n, current_rule->sym->tag);
2831 if (!type_name)
2832 type_name = "";
2833 obstack_fgrow3 (&string_obstack,
2834 "]b4_rhs_value([%d], [%d], [%s])[",
2835 rule_length, n, type_name);
2836 }
2837 }
2838 else
2839 {
2840 complain_at (location, _("%s is invalid"), quote (text));
2841 }
2842 }
2843
2844
2845 /*---------------------------------------------------------------.
2846 | TEXT is expexted tp be $$ in some code associated to a symbol: |
2847 | destructor or printer. |
2848 `---------------------------------------------------------------*/
2849
2850 static inline void
2851 handle_symbol_code_dollar (char *text, location_t location)
2852 {
2853 char *cp = text + 1;
2854 if (*cp == '$')
2855 obstack_sgrow (&string_obstack, "]b4_dollar_dollar[");
2856 else
2857 complain_at (location, _("%s is invalid"), quote (text));
2858 }
2859
2860
2861 /*-----------------------------------------------------------------.
2862 | Dispatch onto handle_action_dollar, or handle_destructor_dollar, |
2863 | depending upon CODE_KIND. |
2864 `-----------------------------------------------------------------*/
2865
2866 static void
2867 handle_dollar (braced_code_t braced_code_kind,
2868 char *text, location_t location)
2869 {
2870 switch (braced_code_kind)
2871 {
2872 case action_braced_code:
2873 handle_action_dollar (text, location);
2874 break;
2875
2876 case destructor_braced_code:
2877 case printer_braced_code:
2878 handle_symbol_code_dollar (text, location);
2879 break;
2880 }
2881 }
2882
2883
2884 /*------------------------------------------------------.
2885 | TEXT is a location token (i.e., a `@...'). Output to |
2886 | STRING_OBSTACK a reference to this location. |
2887 `------------------------------------------------------*/
2888
2889 static inline void
2890 handle_action_at (char *text, location_t location)
2891 {
2892 char *cp = text + 1;
2893 locations_flag = 1;
2894
2895 if (*cp == '$')
2896 {
2897 obstack_sgrow (&string_obstack, "]b4_lhs_location[");
2898 }
2899 else if (('0' <= *cp && *cp <= '9') || *cp == '-')
2900 {
2901 int n = strtol (cp, &cp, 10);
2902
2903 if (n > rule_length)
2904 complain_at (location, _("invalid value: %s%d"), "@", n);
2905 else
2906 obstack_fgrow2 (&string_obstack, "]b4_rhs_location([%d], [%d])[",
2907 rule_length, n);
2908 }
2909 else
2910 {
2911 complain_at (location, _("%s is invalid"), quote (text));
2912 }
2913 }
2914
2915
2916 /*---------------------------------------------------------------.
2917 | TEXT is expexted tp be @$ in some code associated to a symbol: |
2918 | destructor or printer. |
2919 `---------------------------------------------------------------*/
2920
2921 static inline void
2922 handle_symbol_code_at (char *text, location_t location)
2923 {
2924 char *cp = text + 1;
2925 if (*cp == '$')
2926 obstack_sgrow (&string_obstack, "]b4_at_dollar[");
2927 else
2928 complain_at (location, _("%s is invalid"), quote (text));
2929 }
2930
2931
2932 /*-------------------------------------------------------------------.
2933 | Dispatch onto handle_action_at, or handle_destructor_at, depending |
2934 | upon CODE_KIND. |
2935 `-------------------------------------------------------------------*/
2936
2937 static void
2938 handle_at (braced_code_t braced_code_kind,
2939 char *text, location_t location)
2940 {
2941 switch (braced_code_kind)
2942 {
2943 case action_braced_code:
2944 handle_action_at (text, location);
2945 break;
2946
2947 case destructor_braced_code:
2948 case printer_braced_code:
2949 handle_symbol_code_at (text, location);
2950 break;
2951 }
2952 }
2953
2954
2955 /*-------------------------.
2956 | Initialize the scanner. |
2957 `-------------------------*/
2958
2959 void
2960 scanner_initialize (void)
2961 {
2962 obstack_init (&string_obstack);
2963 }
2964
2965
2966 /*-----------------------------------------------.
2967 | Free all the memory allocated to the scanner. |
2968 `-----------------------------------------------*/
2969
2970 void
2971 scanner_free (void)
2972 {
2973 obstack_free (&string_obstack, 0);
2974 /* Reclaim Flex's buffers. */
2975 yy_delete_buffer (YY_CURRENT_BUFFER);
2976 }
bison