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1 #line 2 "dtc-lexer.lex.c"
2
3 #line 4 "dtc-lexer.lex.c"
4
5 #define YY_INT_ALIGNED short int
6
7 /* A lexical scanner generated by flex */
8
9 #define FLEX_SCANNER
10 #define YY_FLEX_MAJOR_VERSION 2
11 #define YY_FLEX_MINOR_VERSION 5
12 #define YY_FLEX_SUBMINOR_VERSION 35
13 #if YY_FLEX_SUBMINOR_VERSION > 0
14 #define FLEX_BETA
15 #endif
16
17 /* First, we deal with platform-specific or compiler-specific issues. */
18
19 /* begin standard C headers. */
20 #include <stdio.h>
21 #include <string.h>
22 #include <errno.h>
23 #include <stdlib.h>
24
25 /* end standard C headers. */
26
27 /* flex integer type definitions */
28
29 #ifndef FLEXINT_H
30 #define FLEXINT_H
31
32 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
33
34 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
35
36 /* C99 says to define __STDC_LIMIT_MACROS before including stdint.h,
37 * if you want the limit (max/min) macros for int types.
38 */
39 #ifndef __STDC_LIMIT_MACROS
40 #define __STDC_LIMIT_MACROS 1
41 #endif
42
43 #include <inttypes.h>
44 typedef int8_t flex_int8_t;
45 typedef uint8_t flex_uint8_t;
46 typedef int16_t flex_int16_t;
47 typedef uint16_t flex_uint16_t;
48 typedef int32_t flex_int32_t;
49 typedef uint32_t flex_uint32_t;
50 #else
51 typedef signed char flex_int8_t;
52 typedef short int flex_int16_t;
53 typedef int flex_int32_t;
54 typedef unsigned char flex_uint8_t;
55 typedef unsigned short int flex_uint16_t;
56 typedef unsigned int flex_uint32_t;
57
58 /* Limits of integral types. */
59 #ifndef INT8_MIN
60 #define INT8_MIN (-128)
61 #endif
62 #ifndef INT16_MIN
63 #define INT16_MIN (-32767-1)
64 #endif
65 #ifndef INT32_MIN
66 #define INT32_MIN (-2147483647-1)
67 #endif
68 #ifndef INT8_MAX
69 #define INT8_MAX (127)
70 #endif
71 #ifndef INT16_MAX
72 #define INT16_MAX (32767)
73 #endif
74 #ifndef INT32_MAX
75 #define INT32_MAX (2147483647)
76 #endif
77 #ifndef UINT8_MAX
78 #define UINT8_MAX (255U)
79 #endif
80 #ifndef UINT16_MAX
81 #define UINT16_MAX (65535U)
82 #endif
83 #ifndef UINT32_MAX
84 #define UINT32_MAX (4294967295U)
85 #endif
86
87 #endif /* ! C99 */
88
89 #endif /* ! FLEXINT_H */
90
91 #ifdef __cplusplus
92
93 /* The "const" storage-class-modifier is valid. */
94 #define YY_USE_CONST
95
96 #else /* ! __cplusplus */
97
98 /* C99 requires __STDC__ to be defined as 1. */
99 #if defined (__STDC__)
100
101 #define YY_USE_CONST
102
103 #endif /* defined (__STDC__) */
104 #endif /* ! __cplusplus */
105
106 #ifdef YY_USE_CONST
107 #define yyconst const
108 #else
109 #define yyconst
110 #endif
111
112 /* Returned upon end-of-file. */
113 #define YY_NULL 0
114
115 /* Promotes a possibly negative, possibly signed char to an unsigned
116 * integer for use as an array index. If the signed char is negative,
117 * we want to instead treat it as an 8-bit unsigned char, hence the
118 * double cast.
119 */
120 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
121
122 /* Enter a start condition. This macro really ought to take a parameter,
123 * but we do it the disgusting crufty way forced on us by the ()-less
124 * definition of BEGIN.
125 */
126 #define BEGIN (yy_start) = 1 + 2 *
127
128 /* Translate the current start state into a value that can be later handed
129 * to BEGIN to return to the state. The YYSTATE alias is for lex
130 * compatibility.
131 */
132 #define YY_START (((yy_start) - 1) / 2)
133 #define YYSTATE YY_START
134
135 /* Action number for EOF rule of a given start state. */
136 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
137
138 /* Special action meaning "start processing a new file". */
139 #define YY_NEW_FILE yyrestart(yyin )
140
141 #define YY_END_OF_BUFFER_CHAR 0
142
143 /* Size of default input buffer. */
144 #ifndef YY_BUF_SIZE
145 #ifdef __ia64__
146 /* On IA-64, the buffer size is 16k, not 8k.
147 * Moreover, YY_BUF_SIZE is 2*YY_READ_BUF_SIZE in the general case.
148 * Ditto for the __ia64__ case accordingly.
149 */
150 #define YY_BUF_SIZE 32768
151 #else
152 #define YY_BUF_SIZE 16384
153 #endif /* __ia64__ */
154 #endif
155
156 /* The state buf must be large enough to hold one state per character in the main buffer.
157 */
158 #define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
159
160 #ifndef YY_TYPEDEF_YY_BUFFER_STATE
161 #define YY_TYPEDEF_YY_BUFFER_STATE
162 typedef struct yy_buffer_state *YY_BUFFER_STATE;
163 #endif
164
165 extern int yyleng;
166
167 extern FILE *yyin, *yyout;
168
169 #define EOB_ACT_CONTINUE_SCAN 0
170 #define EOB_ACT_END_OF_FILE 1
171 #define EOB_ACT_LAST_MATCH 2
172
173 #define YY_LESS_LINENO(n)
174
175 /* Return all but the first "n" matched characters back to the input stream. */
176 #define yyless(n) \
177 do \
178 { \
179 /* Undo effects of setting up yytext. */ \
180 int yyless_macro_arg = (n); \
181 YY_LESS_LINENO(yyless_macro_arg);\
182 *yy_cp = (yy_hold_char); \
183 YY_RESTORE_YY_MORE_OFFSET \
184 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
185 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
186 } \
187 while ( 0 )
188
189 #define unput(c) yyunput( c, (yytext_ptr) )
190
191 #ifndef YY_TYPEDEF_YY_SIZE_T
192 #define YY_TYPEDEF_YY_SIZE_T
193 typedef size_t yy_size_t;
194 #endif
195
196 #ifndef YY_STRUCT_YY_BUFFER_STATE
197 #define YY_STRUCT_YY_BUFFER_STATE
198 struct yy_buffer_state
199 {
200 FILE *yy_input_file;
201
202 char *yy_ch_buf; /* input buffer */
203 char *yy_buf_pos; /* current position in input buffer */
204
205 /* Size of input buffer in bytes, not including room for EOB
206 * characters.
207 */
208 yy_size_t yy_buf_size;
209
210 /* Number of characters read into yy_ch_buf, not including EOB
211 * characters.
212 */
213 int yy_n_chars;
214
215 /* Whether we "own" the buffer - i.e., we know we created it,
216 * and can realloc() it to grow it, and should free() it to
217 * delete it.
218 */
219 int yy_is_our_buffer;
220
221 /* Whether this is an "interactive" input source; if so, and
222 * if we're using stdio for input, then we want to use getc()
223 * instead of fread(), to make sure we stop fetching input after
224 * each newline.
225 */
226 int yy_is_interactive;
227
228 /* Whether we're considered to be at the beginning of a line.
229 * If so, '^' rules will be active on the next match, otherwise
230 * not.
231 */
232 int yy_at_bol;
233
234 int yy_bs_lineno; /**< The line count. */
235 int yy_bs_column; /**< The column count. */
236
237 /* Whether to try to fill the input buffer when we reach the
238 * end of it.
239 */
240 int yy_fill_buffer;
241
242 int yy_buffer_status;
243
244 #define YY_BUFFER_NEW 0
245 #define YY_BUFFER_NORMAL 1
246 /* When an EOF's been seen but there's still some text to process
247 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
248 * shouldn't try reading from the input source any more. We might
249 * still have a bunch of tokens to match, though, because of
250 * possible backing-up.
251 *
252 * When we actually see the EOF, we change the status to "new"
253 * (via yyrestart()), so that the user can continue scanning by
254 * just pointing yyin at a new input file.
255 */
256 #define YY_BUFFER_EOF_PENDING 2
257
258 };
259 #endif /* !YY_STRUCT_YY_BUFFER_STATE */
260
261 /* Stack of input buffers. */
262 static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
263 static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
264 static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
265
266 /* We provide macros for accessing buffer states in case in the
267 * future we want to put the buffer states in a more general
268 * "scanner state".
269 *
270 * Returns the top of the stack, or NULL.
271 */
272 #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
273 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
274 : NULL)
275
276 /* Same as previous macro, but useful when we know that the buffer stack is not
277 * NULL or when we need an lvalue. For internal use only.
278 */
279 #define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
280
281 /* yy_hold_char holds the character lost when yytext is formed. */
282 static char yy_hold_char;
283 static int yy_n_chars; /* number of characters read into yy_ch_buf */
284 int yyleng;
285
286 /* Points to current character in buffer. */
287 static char *yy_c_buf_p = (char *) 0;
288 static int yy_init = 0; /* whether we need to initialize */
289 static int yy_start = 0; /* start state number */
290
291 /* Flag which is used to allow yywrap()'s to do buffer switches
292 * instead of setting up a fresh yyin. A bit of a hack ...
293 */
294 static int yy_did_buffer_switch_on_eof;
295
296 void yyrestart (FILE *input_file );
297 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );
298 YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );
299 void yy_delete_buffer (YY_BUFFER_STATE b );
300 void yy_flush_buffer (YY_BUFFER_STATE b );
301 void yypush_buffer_state (YY_BUFFER_STATE new_buffer );
302 void yypop_buffer_state (void );
303
304 static void yyensure_buffer_stack (void );
305 static void yy_load_buffer_state (void );
306 static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );
307
308 #define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
309
310 YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );
311 YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );
312 YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len );
313
314 void *yyalloc (yy_size_t );
315 void *yyrealloc (void *,yy_size_t );
316 void yyfree (void * );
317
318 #define yy_new_buffer yy_create_buffer
319
320 #define yy_set_interactive(is_interactive) \
321 { \
322 if ( ! YY_CURRENT_BUFFER ){ \
323 yyensure_buffer_stack (); \
324 YY_CURRENT_BUFFER_LVALUE = \
325 yy_create_buffer(yyin,YY_BUF_SIZE ); \
326 } \
327 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
328 }
329
330 #define yy_set_bol(at_bol) \
331 { \
332 if ( ! YY_CURRENT_BUFFER ){\
333 yyensure_buffer_stack (); \
334 YY_CURRENT_BUFFER_LVALUE = \
335 yy_create_buffer(yyin,YY_BUF_SIZE ); \
336 } \
337 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
338 }
339
340 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
341
342 /* Begin user sect3 */
343
344 #define yywrap(n) 1
345 #define YY_SKIP_YYWRAP
346
347 typedef unsigned char YY_CHAR;
348
349 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
350
351 typedef int yy_state_type;
352
353 extern int yylineno;
354
355 int yylineno = 1;
356
357 extern char *yytext;
358 #define yytext_ptr yytext
359
360 static yy_state_type yy_get_previous_state (void );
361 static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
362 static int yy_get_next_buffer (void );
363 static void yy_fatal_error (yyconst char msg[] );
364
365 /* Done after the current pattern has been matched and before the
366 * corresponding action - sets up yytext.
367 */
368 #define YY_DO_BEFORE_ACTION \
369 (yytext_ptr) = yy_bp; \
370 yyleng = (size_t) (yy_cp - yy_bp); \
371 (yy_hold_char) = *yy_cp; \
372 *yy_cp = '\0'; \
373 (yy_c_buf_p) = yy_cp;
374
375 #define YY_NUM_RULES 31
376 #define YY_END_OF_BUFFER 32
377 /* This struct is not used in this scanner,
378 but its presence is necessary. */
379 struct yy_trans_info
380 {
381 flex_int32_t yy_verify;
382 flex_int32_t yy_nxt;
383 };
384 static yyconst flex_int16_t yy_accept[166] =
385 { 0,
386 0, 0, 0, 0, 0, 0, 0, 0, 32, 30,
387 19, 19, 30, 30, 30, 30, 30, 30, 30, 30,
388 30, 30, 30, 30, 30, 30, 16, 17, 17, 30,
389 17, 11, 11, 19, 27, 0, 3, 0, 28, 13,
390 0, 0, 12, 0, 0, 0, 0, 0, 0, 0,
391 0, 22, 24, 26, 25, 23, 0, 10, 29, 0,
392 0, 0, 15, 15, 17, 17, 17, 11, 11, 11,
393 0, 13, 0, 12, 0, 0, 0, 21, 0, 0,
394 0, 0, 0, 0, 0, 0, 0, 17, 11, 11,
395 11, 0, 14, 20, 0, 0, 0, 0, 0, 0,
396
397 0, 0, 0, 0, 17, 0, 0, 0, 0, 0,
398 0, 0, 0, 0, 0, 17, 7, 0, 0, 0,
399 0, 0, 0, 0, 2, 0, 0, 0, 0, 0,
400 0, 0, 0, 0, 4, 18, 0, 0, 5, 2,
401 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
402 0, 0, 1, 0, 0, 0, 0, 6, 9, 0,
403 0, 0, 0, 8, 0
404 } ;
405
406 static yyconst flex_int32_t yy_ec[256] =
407 { 0,
408 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
409 4, 4, 4, 1, 1, 1, 1, 1, 1, 1,
410 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
411 1, 2, 5, 6, 7, 1, 1, 8, 9, 1,
412 1, 10, 11, 11, 12, 11, 13, 14, 15, 16,
413 16, 16, 16, 16, 16, 16, 16, 17, 1, 18,
414 19, 20, 11, 11, 21, 21, 21, 21, 21, 21,
415 22, 22, 22, 22, 22, 23, 22, 22, 22, 22,
416 22, 22, 22, 22, 24, 22, 22, 25, 22, 22,
417 1, 26, 27, 1, 22, 1, 21, 28, 29, 30,
418
419 31, 21, 32, 22, 33, 22, 22, 34, 35, 36,
420 37, 38, 22, 39, 40, 41, 42, 43, 22, 25,
421 44, 22, 45, 46, 47, 1, 1, 1, 1, 1,
422 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
423 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
424 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
425 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
426 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
427 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
428 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
429
430 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
431 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
432 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
433 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
434 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
435 1, 1, 1, 1, 1
436 } ;
437
438 static yyconst flex_int32_t yy_meta[48] =
439 { 0,
440 1, 1, 1, 1, 1, 1, 2, 3, 1, 2,
441 2, 2, 4, 5, 5, 5, 6, 1, 1, 1,
442 7, 8, 8, 8, 8, 1, 1, 7, 7, 7,
443 7, 8, 8, 8, 8, 8, 8, 8, 8, 8,
444 8, 8, 8, 8, 3, 1, 4
445 } ;
446
447 static yyconst flex_int16_t yy_base[180] =
448 { 0,
449 0, 393, 35, 392, 66, 391, 38, 107, 397, 401,
450 55, 113, 377, 112, 111, 111, 114, 42, 376, 106,
451 377, 347, 126, 120, 0, 147, 401, 0, 124, 0,
452 137, 158, 170, 163, 401, 153, 401, 389, 401, 0,
453 378, 120, 401, 131, 380, 386, 355, 139, 351, 355,
454 351, 401, 401, 401, 401, 401, 367, 401, 401, 185,
455 350, 346, 401, 364, 0, 185, 347, 189, 356, 355,
456 0, 0, 330, 180, 366, 141, 372, 361, 332, 338,
457 331, 341, 334, 326, 205, 331, 337, 329, 401, 341,
458 167, 316, 401, 349, 348, 320, 328, 346, 180, 318,
459
460 324, 209, 324, 320, 322, 342, 338, 309, 306, 315,
461 305, 315, 312, 192, 342, 341, 401, 293, 306, 282,
462 268, 252, 255, 203, 285, 282, 272, 268, 252, 233,
463 232, 239, 208, 107, 401, 401, 238, 211, 401, 211,
464 212, 208, 228, 203, 215, 207, 233, 222, 212, 211,
465 203, 227, 401, 237, 225, 204, 185, 401, 401, 149,
466 128, 88, 42, 401, 401, 253, 259, 267, 271, 275,
467 281, 288, 292, 300, 308, 312, 318, 326, 334
468 } ;
469
470 static yyconst flex_int16_t yy_def[180] =
471 { 0,
472 165, 1, 1, 3, 165, 5, 1, 1, 165, 165,
473 165, 165, 165, 166, 167, 168, 165, 165, 165, 165,
474 169, 165, 165, 165, 170, 169, 165, 171, 172, 171,
475 171, 165, 165, 165, 165, 166, 165, 166, 165, 173,
476 165, 168, 165, 168, 174, 175, 165, 165, 165, 165,
477 165, 165, 165, 165, 165, 165, 169, 165, 165, 165,
478 165, 165, 165, 169, 171, 172, 171, 165, 165, 165,
479 176, 173, 177, 168, 174, 174, 175, 165, 165, 165,
480 165, 165, 165, 165, 165, 165, 165, 171, 165, 165,
481 176, 177, 165, 165, 165, 165, 165, 165, 165, 165,
482
483 165, 165, 165, 165, 171, 165, 165, 165, 165, 165,
484 165, 165, 165, 178, 165, 171, 165, 165, 165, 165,
485 165, 165, 165, 178, 165, 178, 165, 165, 165, 165,
486 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
487 165, 165, 165, 165, 165, 165, 165, 179, 165, 165,
488 165, 179, 165, 179, 165, 165, 165, 165, 165, 165,
489 165, 165, 165, 165, 0, 165, 165, 165, 165, 165,
490 165, 165, 165, 165, 165, 165, 165, 165, 165
491 } ;
492
493 static yyconst flex_int16_t yy_nxt[449] =
494 { 0,
495 10, 11, 12, 11, 13, 14, 10, 15, 16, 10,
496 10, 10, 17, 10, 10, 10, 10, 18, 19, 20,
497 21, 21, 21, 21, 21, 10, 10, 21, 21, 21,
498 21, 21, 21, 21, 21, 21, 21, 21, 21, 21,
499 21, 21, 21, 21, 10, 22, 10, 24, 25, 25,
500 25, 32, 33, 33, 164, 26, 34, 34, 34, 52,
501 53, 27, 26, 26, 26, 26, 10, 11, 12, 11,
502 13, 14, 28, 15, 16, 28, 28, 28, 24, 28,
503 28, 28, 10, 18, 19, 20, 29, 29, 29, 29,
504 29, 30, 10, 29, 29, 29, 29, 29, 29, 29,
505
506 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
507 10, 22, 10, 23, 34, 34, 34, 37, 39, 43,
508 32, 33, 33, 45, 55, 56, 46, 60, 43, 45,
509 65, 163, 46, 65, 65, 65, 44, 38, 60, 74,
510 58, 47, 141, 48, 142, 44, 49, 47, 50, 48,
511 76, 51, 62, 94, 50, 41, 44, 51, 37, 61,
512 64, 64, 64, 58, 34, 34, 34, 64, 162, 80,
513 67, 68, 68, 68, 64, 64, 64, 64, 38, 81,
514 69, 70, 71, 68, 68, 68, 60, 161, 43, 69,
515 70, 65, 69, 70, 65, 65, 65, 125, 85, 85,
516
517 85, 58, 68, 68, 68, 44, 102, 110, 125, 133,
518 102, 69, 70, 111, 114, 160, 159, 126, 85, 85,
519 85, 140, 140, 140, 140, 140, 140, 153, 126, 147,
520 147, 147, 153, 148, 147, 147, 147, 158, 148, 165,
521 157, 156, 155, 151, 150, 149, 146, 154, 145, 144,
522 143, 139, 154, 36, 36, 36, 36, 36, 36, 36,
523 36, 40, 138, 137, 136, 40, 40, 42, 42, 42,
524 42, 42, 42, 42, 42, 57, 57, 57, 57, 63,
525 135, 63, 65, 134, 165, 65, 133, 65, 65, 66,
526 132, 131, 66, 66, 66, 66, 72, 130, 72, 72,
527
528 75, 75, 75, 75, 75, 75, 75, 75, 77, 77,
529 77, 77, 77, 77, 77, 77, 91, 129, 91, 92,
530 128, 92, 92, 127, 92, 92, 124, 124, 124, 124,
531 124, 124, 124, 124, 152, 152, 152, 152, 152, 152,
532 152, 152, 60, 60, 123, 122, 121, 120, 119, 118,
533 117, 45, 116, 111, 115, 113, 112, 109, 108, 107,
534 46, 106, 93, 89, 105, 104, 103, 101, 100, 99,
535 98, 97, 96, 95, 78, 76, 93, 90, 89, 88,
536 58, 87, 86, 58, 84, 83, 82, 79, 78, 76,
537 73, 165, 59, 58, 54, 35, 165, 31, 23, 23,
538
539 9, 165, 165, 165, 165, 165, 165, 165, 165, 165,
540 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
541 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
542 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
543 165, 165, 165, 165, 165, 165, 165, 165
544 } ;
545
546 static yyconst flex_int16_t yy_chk[449] =
547 { 0,
548 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
549 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
550 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
551 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
552 1, 1, 1, 1, 1, 1, 1, 3, 3, 3,
553 3, 7, 7, 7, 163, 3, 11, 11, 11, 18,
554 18, 3, 3, 3, 3, 3, 5, 5, 5, 5,
555 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
556 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
557 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
558
559 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
560 5, 5, 5, 8, 12, 12, 12, 14, 15, 16,
561 8, 8, 8, 17, 20, 20, 17, 23, 42, 24,
562 29, 162, 24, 29, 29, 29, 16, 14, 31, 44,
563 29, 17, 134, 17, 134, 42, 17, 24, 17, 24,
564 76, 17, 24, 76, 24, 15, 44, 24, 36, 23,
565 26, 26, 26, 26, 34, 34, 34, 26, 161, 48,
566 31, 32, 32, 32, 26, 26, 26, 26, 36, 48,
567 32, 32, 32, 33, 33, 33, 60, 160, 74, 91,
568 91, 66, 33, 33, 66, 66, 66, 114, 60, 60,
569
570 60, 66, 68, 68, 68, 74, 85, 99, 124, 133,
571 102, 68, 68, 99, 102, 157, 156, 114, 85, 85,
572 85, 133, 133, 133, 140, 140, 140, 148, 124, 143,
573 143, 143, 152, 143, 147, 147, 147, 155, 147, 154,
574 151, 150, 149, 146, 145, 144, 142, 148, 141, 138,
575 137, 132, 152, 166, 166, 166, 166, 166, 166, 166,
576 166, 167, 131, 130, 129, 167, 167, 168, 168, 168,
577 168, 168, 168, 168, 168, 169, 169, 169, 169, 170,
578 128, 170, 171, 127, 126, 171, 125, 171, 171, 172,
579 123, 122, 172, 172, 172, 172, 173, 121, 173, 173,
580
581 174, 174, 174, 174, 174, 174, 174, 174, 175, 175,
582 175, 175, 175, 175, 175, 175, 176, 120, 176, 177,
583 119, 177, 177, 118, 177, 177, 178, 178, 178, 178,
584 178, 178, 178, 178, 179, 179, 179, 179, 179, 179,
585 179, 179, 116, 115, 113, 112, 111, 110, 109, 108,
586 107, 106, 105, 104, 103, 101, 100, 98, 97, 96,
587 95, 94, 92, 90, 88, 87, 86, 84, 83, 82,
588 81, 80, 79, 78, 77, 75, 73, 70, 69, 67,
589 64, 62, 61, 57, 51, 50, 49, 47, 46, 45,
590 41, 38, 22, 21, 19, 13, 9, 6, 4, 2,
591
592 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
593 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
594 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
595 165, 165, 165, 165, 165, 165, 165, 165, 165, 165,
596 165, 165, 165, 165, 165, 165, 165, 165
597 } ;
598
599 static yy_state_type yy_last_accepting_state;
600 static char *yy_last_accepting_cpos;
601
602 extern int yy_flex_debug;
603 int yy_flex_debug = 0;
604
605 /* The intent behind this definition is that it'll catch
606 * any uses of REJECT which flex missed.
607 */
608 #define REJECT reject_used_but_not_detected
609 #define yymore() yymore_used_but_not_detected
610 #define YY_MORE_ADJ 0
611 #define YY_RESTORE_YY_MORE_OFFSET
612 char *yytext;
613 #line 1 "dtc-lexer.l"
614 /*
615 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
616 *
617 *
618 * This program is free software; you can redistribute it and/or
619 * modify it under the terms of the GNU General Public License as
620 * published by the Free Software Foundation; either version 2 of the
621 * License, or (at your option) any later version.
622 *
623 * This program is distributed in the hope that it will be useful,
624 * but WITHOUT ANY WARRANTY; without even the implied warranty of
625 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
626 * General Public License for more details.
627 *
628 * You should have received a copy of the GNU General Public License
629 * along with this program; if not, write to the Free Software
630 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
631 * USA
632 */
633 #define YY_NO_INPUT 1
634
635
636
637 #line 37 "dtc-lexer.l"
638 #include "dtc.h"
639 #include "srcpos.h"
640 #include "dtc-parser.tab.h"
641
642 YYLTYPE yylloc;
643 extern bool treesource_error;
644
645 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
646 #define YY_USER_ACTION \
647 { \
648 srcpos_update(&yylloc, yytext, yyleng); \
649 }
650
651 /*#define LEXDEBUG 1*/
652
653 #ifdef LEXDEBUG
654 #define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
655 #else
656 #define DPRINT(fmt, ...) do { } while (0)
657 #endif
658
659 static int dts_version = 1;
660
661 #define BEGIN_DEFAULT() DPRINT("<V1>\n"); \
662 BEGIN(V1); \
663
664 static void push_input_file(const char *filename);
665 static bool pop_input_file(void);
666 static void PRINTF(1, 2) lexical_error(const char *fmt, ...);
667
668 #line 669 "dtc-lexer.lex.c"
669
670 #define INITIAL 0
671 #define BYTESTRING 1
672 #define PROPNODENAME 2
673 #define V1 3
674
675 #ifndef YY_NO_UNISTD_H
676 /* Special case for "unistd.h", since it is non-ANSI. We include it way
677 * down here because we want the user's section 1 to have been scanned first.
678 * The user has a chance to override it with an option.
679 */
680 #include <unistd.h>
681 #endif
682
683 #ifndef YY_EXTRA_TYPE
684 #define YY_EXTRA_TYPE void *
685 #endif
686
687 static int yy_init_globals (void );
688
689 /* Accessor methods to globals.
690 These are made visible to non-reentrant scanners for convenience. */
691
692 int yylex_destroy (void );
693
694 int yyget_debug (void );
695
696 void yyset_debug (int debug_flag );
697
698 YY_EXTRA_TYPE yyget_extra (void );
699
700 void yyset_extra (YY_EXTRA_TYPE user_defined );
701
702 FILE *yyget_in (void );
703
704 void yyset_in (FILE * in_str );
705
706 FILE *yyget_out (void );
707
708 void yyset_out (FILE * out_str );
709
710 int yyget_leng (void );
711
712 char *yyget_text (void );
713
714 int yyget_lineno (void );
715
716 void yyset_lineno (int line_number );
717
718 /* Macros after this point can all be overridden by user definitions in
719 * section 1.
720 */
721
722 #ifndef YY_SKIP_YYWRAP
723 #ifdef __cplusplus
724 extern "C" int yywrap (void );
725 #else
726 extern int yywrap (void );
727 #endif
728 #endif
729
730 #ifndef yytext_ptr
731 static void yy_flex_strncpy (char *,yyconst char *,int );
732 #endif
733
734 #ifdef YY_NEED_STRLEN
735 static int yy_flex_strlen (yyconst char * );
736 #endif
737
738 #ifndef YY_NO_INPUT
739
740 #ifdef __cplusplus
741 static int yyinput (void );
742 #else
743 static int input (void );
744 #endif
745
746 #endif
747
748 /* Amount of stuff to slurp up with each read. */
749 #ifndef YY_READ_BUF_SIZE
750 #ifdef __ia64__
751 /* On IA-64, the buffer size is 16k, not 8k */
752 #define YY_READ_BUF_SIZE 16384
753 #else
754 #define YY_READ_BUF_SIZE 8192
755 #endif /* __ia64__ */
756 #endif
757
758 /* Copy whatever the last rule matched to the standard output. */
759 #ifndef ECHO
760 /* This used to be an fputs(), but since the string might contain NUL's,
761 * we now use fwrite().
762 */
763 #define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
764 #endif
765
766 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
767 * is returned in "result".
768 */
769 #ifndef YY_INPUT
770 #define YY_INPUT(buf,result,max_size) \
771 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
772 { \
773 int c = '*'; \
774 size_t n; \
775 for ( n = 0; n < max_size && \
776 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
777 buf[n] = (char) c; \
778 if ( c == '\n' ) \
779 buf[n++] = (char) c; \
780 if ( c == EOF && ferror( yyin ) ) \
781 YY_FATAL_ERROR( "input in flex scanner failed" ); \
782 result = n; \
783 } \
784 else \
785 { \
786 errno=0; \
787 while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
788 { \
789 if( errno != EINTR) \
790 { \
791 YY_FATAL_ERROR( "input in flex scanner failed" ); \
792 break; \
793 } \
794 errno=0; \
795 clearerr(yyin); \
796 } \
797 }\
798 \
799
800 #endif
801
802 /* No semi-colon after return; correct usage is to write "yyterminate();" -
803 * we don't want an extra ';' after the "return" because that will cause
804 * some compilers to complain about unreachable statements.
805 */
806 #ifndef yyterminate
807 #define yyterminate() return YY_NULL
808 #endif
809
810 /* Number of entries by which start-condition stack grows. */
811 #ifndef YY_START_STACK_INCR
812 #define YY_START_STACK_INCR 25
813 #endif
814
815 /* Report a fatal error. */
816 #ifndef YY_FATAL_ERROR
817 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
818 #endif
819
820 /* end tables serialization structures and prototypes */
821
822 /* Default declaration of generated scanner - a define so the user can
823 * easily add parameters.
824 */
825 #ifndef YY_DECL
826 #define YY_DECL_IS_OURS 1
827
828 extern int yylex (void);
829
830 #define YY_DECL int yylex (void)
831 #endif /* !YY_DECL */
832
833 /* Code executed at the beginning of each rule, after yytext and yyleng
834 * have been set up.
835 */
836 #ifndef YY_USER_ACTION
837 #define YY_USER_ACTION
838 #endif
839
840 /* Code executed at the end of each rule. */
841 #ifndef YY_BREAK
842 #define YY_BREAK break;
843 #endif
844
845 #define YY_RULE_SETUP \
846 if ( yyleng > 0 ) \
847 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
848 (yytext[yyleng - 1] == '\n'); \
849 YY_USER_ACTION
850
851 /** The main scanner function which does all the work.
852 */
853 YY_DECL
854 {
855 register yy_state_type yy_current_state;
856 register char *yy_cp, *yy_bp;
857 register int yy_act;
858
859 #line 69 "dtc-lexer.l"
860
861 #line 862 "dtc-lexer.lex.c"
862
863 if ( !(yy_init) )
864 {
865 (yy_init) = 1;
866
867 #ifdef YY_USER_INIT
868 YY_USER_INIT;
869 #endif
870
871 if ( ! (yy_start) )
872 (yy_start) = 1; /* first start state */
873
874 if ( ! yyin )
875 yyin = stdin;
876
877 if ( ! yyout )
878 yyout = stdout;
879
880 if ( ! YY_CURRENT_BUFFER ) {
881 yyensure_buffer_stack ();
882 YY_CURRENT_BUFFER_LVALUE =
883 yy_create_buffer(yyin,YY_BUF_SIZE );
884 }
885
886 yy_load_buffer_state( );
887 }
888
889 while ( 1 ) /* loops until end-of-file is reached */
890 {
891 yy_cp = (yy_c_buf_p);
892
893 /* Support of yytext. */
894 *yy_cp = (yy_hold_char);
895
896 /* yy_bp points to the position in yy_ch_buf of the start of
897 * the current run.
898 */
899 yy_bp = yy_cp;
900
901 yy_current_state = (yy_start);
902 yy_current_state += YY_AT_BOL();
903 yy_match:
904 do
905 {
906 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
907 if ( yy_accept[yy_current_state] )
908 {
909 (yy_last_accepting_state) = yy_current_state;
910 (yy_last_accepting_cpos) = yy_cp;
911 }
912 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
913 {
914 yy_current_state = (int) yy_def[yy_current_state];
915 if ( yy_current_state >= 166 )
916 yy_c = yy_meta[(unsigned int) yy_c];
917 }
918 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
919 ++yy_cp;
920 }
921 while ( yy_current_state != 165 );
922 yy_cp = (yy_last_accepting_cpos);
923 yy_current_state = (yy_last_accepting_state);
924
925 yy_find_action:
926 yy_act = yy_accept[yy_current_state];
927
928 YY_DO_BEFORE_ACTION;
929
930 do_action: /* This label is used only to access EOF actions. */
931
932 switch ( yy_act )
933 { /* beginning of action switch */
934 case 0: /* must back up */
935 /* undo the effects of YY_DO_BEFORE_ACTION */
936 *yy_cp = (yy_hold_char);
937 yy_cp = (yy_last_accepting_cpos);
938 yy_current_state = (yy_last_accepting_state);
939 goto yy_find_action;
940
941 case 1:
942 /* rule 1 can match eol */
943 YY_RULE_SETUP
944 #line 70 "dtc-lexer.l"
945 {
946 char *name = strchr(yytext, '\"') + 1;
947 yytext[yyleng-1] = '\0';
948 push_input_file(name);
949 }
950 YY_BREAK
951 case 2:
952 /* rule 2 can match eol */
953 YY_RULE_SETUP
954 #line 76 "dtc-lexer.l"
955 {
956 char *line, *fnstart, *fnend;
957 struct data fn;
958 /* skip text before line # */
959 line = yytext;
960 while (!isdigit((unsigned char)*line))
961 line++;
962
963 /* regexp ensures that first and list "
964 * in the whole yytext are those at
965 * beginning and end of the filename string */
966 fnstart = memchr(yytext, '"', yyleng);
967 for (fnend = yytext + yyleng - 1;
968 *fnend != '"'; fnend--)
969 ;
970 assert(fnstart && fnend && (fnend > fnstart));
971
972 fn = data_copy_escape_string(fnstart + 1,
973 fnend - fnstart - 1);
974
975 /* Don't allow nuls in filenames */
976 if (memchr(fn.val, '\0', fn.len - 1))
977 lexical_error("nul in line number directive");
978
979 /* -1 since #line is the number of the next line */
980 srcpos_set_line(xstrdup(fn.val), atoi(line) - 1);
981 data_free(fn);
982 }
983 YY_BREAK
984 case YY_STATE_EOF(INITIAL):
985 case YY_STATE_EOF(BYTESTRING):
986 case YY_STATE_EOF(PROPNODENAME):
987 case YY_STATE_EOF(V1):
988 #line 105 "dtc-lexer.l"
989 {
990 if (!pop_input_file()) {
991 yyterminate();
992 }
993 }
994 YY_BREAK
995 case 3:
996 /* rule 3 can match eol */
997 YY_RULE_SETUP
998 #line 111 "dtc-lexer.l"
999 {
1000 DPRINT("String: %s\n", yytext);
1001 yylval.data = data_copy_escape_string(yytext+1,
1002 yyleng-2);
1003 return DT_STRING;
1004 }
1005 YY_BREAK
1006 case 4:
1007 YY_RULE_SETUP
1008 #line 118 "dtc-lexer.l"
1009 {
1010 DPRINT("Keyword: /dts-v1/\n");
1011 dts_version = 1;
1012 BEGIN_DEFAULT();
1013 return DT_V1;
1014 }
1015 YY_BREAK
1016 case 5:
1017 YY_RULE_SETUP
1018 #line 125 "dtc-lexer.l"
1019 {
1020 DPRINT("Keyword: /plugin/\n");
1021 return DT_PLUGIN;
1022 }
1023 YY_BREAK
1024 case 6:
1025 YY_RULE_SETUP
1026 #line 130 "dtc-lexer.l"
1027 {
1028 DPRINT("Keyword: /memreserve/\n");
1029 BEGIN_DEFAULT();
1030 return DT_MEMRESERVE;
1031 }
1032 YY_BREAK
1033 case 7:
1034 YY_RULE_SETUP
1035 #line 136 "dtc-lexer.l"
1036 {
1037 DPRINT("Keyword: /bits/\n");
1038 BEGIN_DEFAULT();
1039 return DT_BITS;
1040 }
1041 YY_BREAK
1042 case 8:
1043 YY_RULE_SETUP
1044 #line 142 "dtc-lexer.l"
1045 {
1046 DPRINT("Keyword: /delete-property/\n");
1047 DPRINT("<PROPNODENAME>\n");
1048 BEGIN(PROPNODENAME);
1049 return DT_DEL_PROP;
1050 }
1051 YY_BREAK
1052 case 9:
1053 YY_RULE_SETUP
1054 #line 149 "dtc-lexer.l"
1055 {
1056 DPRINT("Keyword: /delete-node/\n");
1057 DPRINT("<PROPNODENAME>\n");
1058 BEGIN(PROPNODENAME);
1059 return DT_DEL_NODE;
1060 }
1061 YY_BREAK
1062 case 10:
1063 YY_RULE_SETUP
1064 #line 156 "dtc-lexer.l"
1065 {
1066 DPRINT("Label: %s\n", yytext);
1067 yylval.labelref = xstrdup(yytext);
1068 yylval.labelref[yyleng-1] = '\0';
1069 return DT_LABEL;
1070 }
1071 YY_BREAK
1072 case 11:
1073 YY_RULE_SETUP
1074 #line 163 "dtc-lexer.l"
1075 {
1076 char *e;
1077 DPRINT("Integer Literal: '%s'\n", yytext);
1078
1079 errno = 0;
1080 yylval.integer = strtoull(yytext, &e, 0);
1081
1082 if (*e && e[strspn(e, "UL")]) {
1083 lexical_error("Bad integer literal '%s'",
1084 yytext);
1085 }
1086
1087 if (errno == ERANGE)
1088 lexical_error("Integer literal '%s' out of range",
1089 yytext);
1090 else
1091 /* ERANGE is the only strtoull error triggerable
1092 * by strings matching the pattern */
1093 assert(errno == 0);
1094 return DT_LITERAL;
1095 }
1096 YY_BREAK
1097 case 12:
1098 /* rule 12 can match eol */
1099 YY_RULE_SETUP
1100 #line 185 "dtc-lexer.l"
1101 {
1102 struct data d;
1103 DPRINT("Character literal: %s\n", yytext);
1104
1105 d = data_copy_escape_string(yytext+1, yyleng-2);
1106 if (d.len == 1) {
1107 lexical_error("Empty character literal");
1108 yylval.integer = 0;
1109 } else {
1110 yylval.integer = (unsigned char)d.val[0];
1111
1112 if (d.len > 2)
1113 lexical_error("Character literal has %d"
1114 " characters instead of 1",
1115 d.len - 1);
1116 }
1117
1118 data_free(d);
1119 return DT_CHAR_LITERAL;
1120 }
1121 YY_BREAK
1122 case 13:
1123 YY_RULE_SETUP
1124 #line 206 "dtc-lexer.l"
1125 { /* label reference */
1126 DPRINT("Ref: %s\n", yytext+1);
1127 yylval.labelref = xstrdup(yytext+1);
1128 return DT_REF;
1129 }
1130 YY_BREAK
1131 case 14:
1132 YY_RULE_SETUP
1133 #line 212 "dtc-lexer.l"
1134 { /* new-style path reference */
1135 yytext[yyleng-1] = '\0';
1136 DPRINT("Ref: %s\n", yytext+2);
1137 yylval.labelref = xstrdup(yytext+2);
1138 return DT_REF;
1139 }
1140 YY_BREAK
1141 case 15:
1142 YY_RULE_SETUP
1143 #line 219 "dtc-lexer.l"
1144 {
1145 yylval.byte = strtol(yytext, NULL, 16);
1146 DPRINT("Byte: %02x\n", (int)yylval.byte);
1147 return DT_BYTE;
1148 }
1149 YY_BREAK
1150 case 16:
1151 YY_RULE_SETUP
1152 #line 225 "dtc-lexer.l"
1153 {
1154 DPRINT("/BYTESTRING\n");
1155 BEGIN_DEFAULT();
1156 return ']';
1157 }
1158 YY_BREAK
1159 case 17:
1160 YY_RULE_SETUP
1161 #line 231 "dtc-lexer.l"
1162 {
1163 DPRINT("PropNodeName: %s\n", yytext);
1164 yylval.propnodename = xstrdup((yytext[0] == '\\') ?
1165 yytext + 1 : yytext);
1166 BEGIN_DEFAULT();
1167 return DT_PROPNODENAME;
1168 }
1169 YY_BREAK
1170 case 18:
1171 YY_RULE_SETUP
1172 #line 239 "dtc-lexer.l"
1173 {
1174 DPRINT("Binary Include\n");
1175 return DT_INCBIN;
1176 }
1177 YY_BREAK
1178 case 19:
1179 /* rule 19 can match eol */
1180 YY_RULE_SETUP
1181 #line 244 "dtc-lexer.l"
1182 /* eat whitespace */
1183 YY_BREAK
1184 case 20:
1185 /* rule 20 can match eol */
1186 YY_RULE_SETUP
1187 #line 245 "dtc-lexer.l"
1188 /* eat C-style comments */
1189 YY_BREAK
1190 case 21:
1191 /* rule 21 can match eol */
1192 YY_RULE_SETUP
1193 #line 246 "dtc-lexer.l"
1194 /* eat C++-style comments */
1195 YY_BREAK
1196 case 22:
1197 YY_RULE_SETUP
1198 #line 248 "dtc-lexer.l"
1199 { return DT_LSHIFT; };
1200 YY_BREAK
1201 case 23:
1202 YY_RULE_SETUP
1203 #line 249 "dtc-lexer.l"
1204 { return DT_RSHIFT; };
1205 YY_BREAK
1206 case 24:
1207 YY_RULE_SETUP
1208 #line 250 "dtc-lexer.l"
1209 { return DT_LE; };
1210 YY_BREAK
1211 case 25:
1212 YY_RULE_SETUP
1213 #line 251 "dtc-lexer.l"
1214 { return DT_GE; };
1215 YY_BREAK
1216 case 26:
1217 YY_RULE_SETUP
1218 #line 252 "dtc-lexer.l"
1219 { return DT_EQ; };
1220 YY_BREAK
1221 case 27:
1222 YY_RULE_SETUP
1223 #line 253 "dtc-lexer.l"
1224 { return DT_NE; };
1225 YY_BREAK
1226 case 28:
1227 YY_RULE_SETUP
1228 #line 254 "dtc-lexer.l"
1229 { return DT_AND; };
1230 YY_BREAK
1231 case 29:
1232 YY_RULE_SETUP
1233 #line 255 "dtc-lexer.l"
1234 { return DT_OR; };
1235 YY_BREAK
1236 case 30:
1237 YY_RULE_SETUP
1238 #line 257 "dtc-lexer.l"
1239 {
1240 DPRINT("Char: %c (\\x%02x)\n", yytext[0],
1241 (unsigned)yytext[0]);
1242 if (yytext[0] == '[') {
1243 DPRINT("<BYTESTRING>\n");
1244 BEGIN(BYTESTRING);
1245 }
1246 if ((yytext[0] == '{')
1247 || (yytext[0] == ';')) {
1248 DPRINT("<PROPNODENAME>\n");
1249 BEGIN(PROPNODENAME);
1250 }
1251 return yytext[0];
1252 }
1253 YY_BREAK
1254 case 31:
1255 YY_RULE_SETUP
1256 #line 272 "dtc-lexer.l"
1257 ECHO;
1258 YY_BREAK
1259 #line 1260 "dtc-lexer.lex.c"
1260
1261 case YY_END_OF_BUFFER:
1262 {
1263 /* Amount of text matched not including the EOB char. */
1264 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
1265
1266 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1267 *yy_cp = (yy_hold_char);
1268 YY_RESTORE_YY_MORE_OFFSET
1269
1270 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1271 {
1272 /* We're scanning a new file or input source. It's
1273 * possible that this happened because the user
1274 * just pointed yyin at a new source and called
1275 * yylex(). If so, then we have to assure
1276 * consistency between YY_CURRENT_BUFFER and our
1277 * globals. Here is the right place to do so, because
1278 * this is the first action (other than possibly a
1279 * back-up) that will match for the new input source.
1280 */
1281 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1282 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
1283 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1284 }
1285
1286 /* Note that here we test for yy_c_buf_p "<=" to the position
1287 * of the first EOB in the buffer, since yy_c_buf_p will
1288 * already have been incremented past the NUL character
1289 * (since all states make transitions on EOB to the
1290 * end-of-buffer state). Contrast this with the test
1291 * in input().
1292 */
1293 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1294 { /* This was really a NUL. */
1295 yy_state_type yy_next_state;
1296
1297 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1298
1299 yy_current_state = yy_get_previous_state( );
1300
1301 /* Okay, we're now positioned to make the NUL
1302 * transition. We couldn't have
1303 * yy_get_previous_state() go ahead and do it
1304 * for us because it doesn't know how to deal
1305 * with the possibility of jamming (and we don't
1306 * want to build jamming into it because then it
1307 * will run more slowly).
1308 */
1309
1310 yy_next_state = yy_try_NUL_trans( yy_current_state );
1311
1312 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1313
1314 if ( yy_next_state )
1315 {
1316 /* Consume the NUL. */
1317 yy_cp = ++(yy_c_buf_p);
1318 yy_current_state = yy_next_state;
1319 goto yy_match;
1320 }
1321
1322 else
1323 {
1324 yy_cp = (yy_last_accepting_cpos);
1325 yy_current_state = (yy_last_accepting_state);
1326 goto yy_find_action;
1327 }
1328 }
1329
1330 else switch ( yy_get_next_buffer( ) )
1331 {
1332 case EOB_ACT_END_OF_FILE:
1333 {
1334 (yy_did_buffer_switch_on_eof) = 0;
1335
1336 if ( yywrap( ) )
1337 {
1338 /* Note: because we've taken care in
1339 * yy_get_next_buffer() to have set up
1340 * yytext, we can now set up
1341 * yy_c_buf_p so that if some total
1342 * hoser (like flex itself) wants to
1343 * call the scanner after we return the
1344 * YY_NULL, it'll still work - another
1345 * YY_NULL will get returned.
1346 */
1347 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1348
1349 yy_act = YY_STATE_EOF(YY_START);
1350 goto do_action;
1351 }
1352
1353 else
1354 {
1355 if ( ! (yy_did_buffer_switch_on_eof) )
1356 YY_NEW_FILE;
1357 }
1358 break;
1359 }
1360
1361 case EOB_ACT_CONTINUE_SCAN:
1362 (yy_c_buf_p) =
1363 (yytext_ptr) + yy_amount_of_matched_text;
1364
1365 yy_current_state = yy_get_previous_state( );
1366
1367 yy_cp = (yy_c_buf_p);
1368 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1369 goto yy_match;
1370
1371 case EOB_ACT_LAST_MATCH:
1372 (yy_c_buf_p) =
1373 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1374
1375 yy_current_state = yy_get_previous_state( );
1376
1377 yy_cp = (yy_c_buf_p);
1378 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1379 goto yy_find_action;
1380 }
1381 break;
1382 }
1383
1384 default:
1385 YY_FATAL_ERROR(
1386 "fatal flex scanner internal error--no action found" );
1387 } /* end of action switch */
1388 } /* end of scanning one token */
1389 } /* end of yylex */
1390
1391 /* yy_get_next_buffer - try to read in a new buffer
1392 *
1393 * Returns a code representing an action:
1394 * EOB_ACT_LAST_MATCH -
1395 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1396 * EOB_ACT_END_OF_FILE - end of file
1397 */
1398 static int yy_get_next_buffer (void)
1399 {
1400 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1401 register char *source = (yytext_ptr);
1402 register int number_to_move, i;
1403 int ret_val;
1404
1405 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
1406 YY_FATAL_ERROR(
1407 "fatal flex scanner internal error--end of buffer missed" );
1408
1409 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
1410 { /* Don't try to fill the buffer, so this is an EOF. */
1411 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
1412 {
1413 /* We matched a single character, the EOB, so
1414 * treat this as a final EOF.
1415 */
1416 return EOB_ACT_END_OF_FILE;
1417 }
1418
1419 else
1420 {
1421 /* We matched some text prior to the EOB, first
1422 * process it.
1423 */
1424 return EOB_ACT_LAST_MATCH;
1425 }
1426 }
1427
1428 /* Try to read more data. */
1429
1430 /* First move last chars to start of buffer. */
1431 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
1432
1433 for ( i = 0; i < number_to_move; ++i )
1434 *(dest++) = *(source++);
1435
1436 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1437 /* don't do the read, it's not guaranteed to return an EOF,
1438 * just force an EOF
1439 */
1440 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
1441
1442 else
1443 {
1444 int num_to_read =
1445 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1446
1447 while ( num_to_read <= 0 )
1448 { /* Not enough room in the buffer - grow it. */
1449
1450 /* just a shorter name for the current buffer */
1451 YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
1452
1453 int yy_c_buf_p_offset =
1454 (int) ((yy_c_buf_p) - b->yy_ch_buf);
1455
1456 if ( b->yy_is_our_buffer )
1457 {
1458 int new_size = b->yy_buf_size * 2;
1459
1460 if ( new_size <= 0 )
1461 b->yy_buf_size += b->yy_buf_size / 8;
1462 else
1463 b->yy_buf_size *= 2;
1464
1465 b->yy_ch_buf = (char *)
1466 /* Include room in for 2 EOB chars. */
1467 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1468 }
1469 else
1470 /* Can't grow it, we don't own it. */
1471 b->yy_ch_buf = 0;
1472
1473 if ( ! b->yy_ch_buf )
1474 YY_FATAL_ERROR(
1475 "fatal error - scanner input buffer overflow" );
1476
1477 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1478
1479 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1480 number_to_move - 1;
1481
1482 }
1483
1484 if ( num_to_read > YY_READ_BUF_SIZE )
1485 num_to_read = YY_READ_BUF_SIZE;
1486
1487 /* Read in more data. */
1488 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1489 (yy_n_chars), (size_t) num_to_read );
1490
1491 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1492 }
1493
1494 if ( (yy_n_chars) == 0 )
1495 {
1496 if ( number_to_move == YY_MORE_ADJ )
1497 {
1498 ret_val = EOB_ACT_END_OF_FILE;
1499 yyrestart(yyin );
1500 }
1501
1502 else
1503 {
1504 ret_val = EOB_ACT_LAST_MATCH;
1505 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1506 YY_BUFFER_EOF_PENDING;
1507 }
1508 }
1509
1510 else
1511 ret_val = EOB_ACT_CONTINUE_SCAN;
1512
1513 if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
1514 /* Extend the array by 50%, plus the number we really need. */
1515 yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
1516 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
1517 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1518 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
1519 }
1520
1521 (yy_n_chars) += number_to_move;
1522 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1523 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1524
1525 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1526
1527 return ret_val;
1528 }
1529
1530 /* yy_get_previous_state - get the state just before the EOB char was reached */
1531
1532 static yy_state_type yy_get_previous_state (void)
1533 {
1534 register yy_state_type yy_current_state;
1535 register char *yy_cp;
1536
1537 yy_current_state = (yy_start);
1538 yy_current_state += YY_AT_BOL();
1539
1540 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1541 {
1542 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
1543 if ( yy_accept[yy_current_state] )
1544 {
1545 (yy_last_accepting_state) = yy_current_state;
1546 (yy_last_accepting_cpos) = yy_cp;
1547 }
1548 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1549 {
1550 yy_current_state = (int) yy_def[yy_current_state];
1551 if ( yy_current_state >= 166 )
1552 yy_c = yy_meta[(unsigned int) yy_c];
1553 }
1554 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1555 }
1556
1557 return yy_current_state;
1558 }
1559
1560 /* yy_try_NUL_trans - try to make a transition on the NUL character
1561 *
1562 * synopsis
1563 * next_state = yy_try_NUL_trans( current_state );
1564 */
1565 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1566 {
1567 register int yy_is_jam;
1568 register char *yy_cp = (yy_c_buf_p);
1569
1570 register YY_CHAR yy_c = 1;
1571 if ( yy_accept[yy_current_state] )
1572 {
1573 (yy_last_accepting_state) = yy_current_state;
1574 (yy_last_accepting_cpos) = yy_cp;
1575 }
1576 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1577 {
1578 yy_current_state = (int) yy_def[yy_current_state];
1579 if ( yy_current_state >= 166 )
1580 yy_c = yy_meta[(unsigned int) yy_c];
1581 }
1582 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1583 yy_is_jam = (yy_current_state == 165);
1584
1585 return yy_is_jam ? 0 : yy_current_state;
1586 }
1587
1588 #ifndef YY_NO_INPUT
1589 #ifdef __cplusplus
1590 static int yyinput (void)
1591 #else
1592 static int input (void)
1593 #endif
1594
1595 {
1596 int c;
1597
1598 *(yy_c_buf_p) = (yy_hold_char);
1599
1600 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1601 {
1602 /* yy_c_buf_p now points to the character we want to return.
1603 * If this occurs *before* the EOB characters, then it's a
1604 * valid NUL; if not, then we've hit the end of the buffer.
1605 */
1606 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1607 /* This was really a NUL. */
1608 *(yy_c_buf_p) = '\0';
1609
1610 else
1611 { /* need more input */
1612 int offset = (yy_c_buf_p) - (yytext_ptr);
1613 ++(yy_c_buf_p);
1614
1615 switch ( yy_get_next_buffer( ) )
1616 {
1617 case EOB_ACT_LAST_MATCH:
1618 /* This happens because yy_g_n_b()
1619 * sees that we've accumulated a
1620 * token and flags that we need to
1621 * try matching the token before
1622 * proceeding. But for input(),
1623 * there's no matching to consider.
1624 * So convert the EOB_ACT_LAST_MATCH
1625 * to EOB_ACT_END_OF_FILE.
1626 */
1627
1628 /* Reset buffer status. */
1629 yyrestart(yyin );
1630
1631 /*FALLTHROUGH*/
1632
1633 case EOB_ACT_END_OF_FILE:
1634 {
1635 if ( yywrap( ) )
1636 return EOF;
1637
1638 if ( ! (yy_did_buffer_switch_on_eof) )
1639 YY_NEW_FILE;
1640 #ifdef __cplusplus
1641 return yyinput();
1642 #else
1643 return input();
1644 #endif
1645 }
1646
1647 case EOB_ACT_CONTINUE_SCAN:
1648 (yy_c_buf_p) = (yytext_ptr) + offset;
1649 break;
1650 }
1651 }
1652 }
1653
1654 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1655 *(yy_c_buf_p) = '\0'; /* preserve yytext */
1656 (yy_hold_char) = *++(yy_c_buf_p);
1657
1658 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
1659
1660 return c;
1661 }
1662 #endif /* ifndef YY_NO_INPUT */
1663
1664 /** Immediately switch to a different input stream.
1665 * @param input_file A readable stream.
1666 *
1667 * @note This function does not reset the start condition to @c INITIAL .
1668 */
1669 void yyrestart (FILE * input_file )
1670 {
1671
1672 if ( ! YY_CURRENT_BUFFER ){
1673 yyensure_buffer_stack ();
1674 YY_CURRENT_BUFFER_LVALUE =
1675 yy_create_buffer(yyin,YY_BUF_SIZE );
1676 }
1677
1678 yy_init_buffer(YY_CURRENT_BUFFER,input_file );
1679 yy_load_buffer_state( );
1680 }
1681
1682 /** Switch to a different input buffer.
1683 * @param new_buffer The new input buffer.
1684 *
1685 */
1686 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1687 {
1688
1689 /* TODO. We should be able to replace this entire function body
1690 * with
1691 * yypop_buffer_state();
1692 * yypush_buffer_state(new_buffer);
1693 */
1694 yyensure_buffer_stack ();
1695 if ( YY_CURRENT_BUFFER == new_buffer )
1696 return;
1697
1698 if ( YY_CURRENT_BUFFER )
1699 {
1700 /* Flush out information for old buffer. */
1701 *(yy_c_buf_p) = (yy_hold_char);
1702 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1703 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1704 }
1705
1706 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1707 yy_load_buffer_state( );
1708
1709 /* We don't actually know whether we did this switch during
1710 * EOF (yywrap()) processing, but the only time this flag
1711 * is looked at is after yywrap() is called, so it's safe
1712 * to go ahead and always set it.
1713 */
1714 (yy_did_buffer_switch_on_eof) = 1;
1715 }
1716
1717 static void yy_load_buffer_state (void)
1718 {
1719 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1720 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1721 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1722 (yy_hold_char) = *(yy_c_buf_p);
1723 }
1724
1725 /** Allocate and initialize an input buffer state.
1726 * @param file A readable stream.
1727 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1728 *
1729 * @return the allocated buffer state.
1730 */
1731 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
1732 {
1733 YY_BUFFER_STATE b;
1734
1735 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1736 if ( ! b )
1737 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1738
1739 b->yy_buf_size = size;
1740
1741 /* yy_ch_buf has to be 2 characters longer than the size given because
1742 * we need to put in 2 end-of-buffer characters.
1743 */
1744 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );
1745 if ( ! b->yy_ch_buf )
1746 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1747
1748 b->yy_is_our_buffer = 1;
1749
1750 yy_init_buffer(b,file );
1751
1752 return b;
1753 }
1754
1755 /** Destroy the buffer.
1756 * @param b a buffer created with yy_create_buffer()
1757 *
1758 */
1759 void yy_delete_buffer (YY_BUFFER_STATE b )
1760 {
1761
1762 if ( ! b )
1763 return;
1764
1765 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1766 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1767
1768 if ( b->yy_is_our_buffer )
1769 yyfree((void *) b->yy_ch_buf );
1770
1771 yyfree((void *) b );
1772 }
1773
1774 /* Initializes or reinitializes a buffer.
1775 * This function is sometimes called more than once on the same buffer,
1776 * such as during a yyrestart() or at EOF.
1777 */
1778 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
1779
1780 {
1781 int oerrno = errno;
1782
1783 yy_flush_buffer(b );
1784
1785 b->yy_input_file = file;
1786 b->yy_fill_buffer = 1;
1787
1788 /* If b is the current buffer, then yy_init_buffer was _probably_
1789 * called from yyrestart() or through yy_get_next_buffer.
1790 * In that case, we don't want to reset the lineno or column.
1791 */
1792 if (b != YY_CURRENT_BUFFER){
1793 b->yy_bs_lineno = 1;
1794 b->yy_bs_column = 0;
1795 }
1796
1797 b->yy_is_interactive = 0;
1798
1799 errno = oerrno;
1800 }
1801
1802 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1803 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1804 *
1805 */
1806 void yy_flush_buffer (YY_BUFFER_STATE b )
1807 {
1808 if ( ! b )
1809 return;
1810
1811 b->yy_n_chars = 0;
1812
1813 /* We always need two end-of-buffer characters. The first causes
1814 * a transition to the end-of-buffer state. The second causes
1815 * a jam in that state.
1816 */
1817 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1818 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1819
1820 b->yy_buf_pos = &b->yy_ch_buf[0];
1821
1822 b->yy_at_bol = 1;
1823 b->yy_buffer_status = YY_BUFFER_NEW;
1824
1825 if ( b == YY_CURRENT_BUFFER )
1826 yy_load_buffer_state( );
1827 }
1828
1829 /** Pushes the new state onto the stack. The new state becomes
1830 * the current state. This function will allocate the stack
1831 * if necessary.
1832 * @param new_buffer The new state.
1833 *
1834 */
1835 void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
1836 {
1837 if (new_buffer == NULL)
1838 return;
1839
1840 yyensure_buffer_stack();
1841
1842 /* This block is copied from yy_switch_to_buffer. */
1843 if ( YY_CURRENT_BUFFER )
1844 {
1845 /* Flush out information for old buffer. */
1846 *(yy_c_buf_p) = (yy_hold_char);
1847 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1848 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1849 }
1850
1851 /* Only push if top exists. Otherwise, replace top. */
1852 if (YY_CURRENT_BUFFER)
1853 (yy_buffer_stack_top)++;
1854 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1855
1856 /* copied from yy_switch_to_buffer. */
1857 yy_load_buffer_state( );
1858 (yy_did_buffer_switch_on_eof) = 1;
1859 }
1860
1861 /** Removes and deletes the top of the stack, if present.
1862 * The next element becomes the new top.
1863 *
1864 */
1865 void yypop_buffer_state (void)
1866 {
1867 if (!YY_CURRENT_BUFFER)
1868 return;
1869
1870 yy_delete_buffer(YY_CURRENT_BUFFER );
1871 YY_CURRENT_BUFFER_LVALUE = NULL;
1872 if ((yy_buffer_stack_top) > 0)
1873 --(yy_buffer_stack_top);
1874
1875 if (YY_CURRENT_BUFFER) {
1876 yy_load_buffer_state( );
1877 (yy_did_buffer_switch_on_eof) = 1;
1878 }
1879 }
1880
1881 /* Allocates the stack if it does not exist.
1882 * Guarantees space for at least one push.
1883 */
1884 static void yyensure_buffer_stack (void)
1885 {
1886 int num_to_alloc;
1887
1888 if (!(yy_buffer_stack)) {
1889
1890 /* First allocation is just for 2 elements, since we don't know if this
1891 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1892 * immediate realloc on the next call.
1893 */
1894 num_to_alloc = 1;
1895 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
1896 (num_to_alloc * sizeof(struct yy_buffer_state*)
1897 );
1898 if ( ! (yy_buffer_stack) )
1899 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1900
1901 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1902
1903 (yy_buffer_stack_max) = num_to_alloc;
1904 (yy_buffer_stack_top) = 0;
1905 return;
1906 }
1907
1908 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1909
1910 /* Increase the buffer to prepare for a possible push. */
1911 int grow_size = 8 /* arbitrary grow size */;
1912
1913 num_to_alloc = (yy_buffer_stack_max) + grow_size;
1914 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
1915 ((yy_buffer_stack),
1916 num_to_alloc * sizeof(struct yy_buffer_state*)
1917 );
1918 if ( ! (yy_buffer_stack) )
1919 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1920
1921 /* zero only the new slots.*/
1922 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1923 (yy_buffer_stack_max) = num_to_alloc;
1924 }
1925 }
1926
1927 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1928 * @param base the character buffer
1929 * @param size the size in bytes of the character buffer
1930 *
1931 * @return the newly allocated buffer state object.
1932 */
1933 YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
1934 {
1935 YY_BUFFER_STATE b;
1936
1937 if ( size < 2 ||
1938 base[size-2] != YY_END_OF_BUFFER_CHAR ||
1939 base[size-1] != YY_END_OF_BUFFER_CHAR )
1940 /* They forgot to leave room for the EOB's. */
1941 return 0;
1942
1943 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1944 if ( ! b )
1945 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1946
1947 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1948 b->yy_buf_pos = b->yy_ch_buf = base;
1949 b->yy_is_our_buffer = 0;
1950 b->yy_input_file = 0;
1951 b->yy_n_chars = b->yy_buf_size;
1952 b->yy_is_interactive = 0;
1953 b->yy_at_bol = 1;
1954 b->yy_fill_buffer = 0;
1955 b->yy_buffer_status = YY_BUFFER_NEW;
1956
1957 yy_switch_to_buffer(b );
1958
1959 return b;
1960 }
1961
1962 /** Setup the input buffer state to scan a string. The next call to yylex() will
1963 * scan from a @e copy of @a str.
1964 * @param yystr a NUL-terminated string to scan
1965 *
1966 * @return the newly allocated buffer state object.
1967 * @note If you want to scan bytes that may contain NUL values, then use
1968 * yy_scan_bytes() instead.
1969 */
1970 YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
1971 {
1972
1973 return yy_scan_bytes(yystr,strlen(yystr) );
1974 }
1975
1976 /** Setup the input buffer state to scan the given bytes. The next call to yylex() will
1977 * scan from a @e copy of @a bytes.
1978 * @param yybytes the byte buffer to scan
1979 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
1980 *
1981 * @return the newly allocated buffer state object.
1982 */
1983 YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len )
1984 {
1985 YY_BUFFER_STATE b;
1986 char *buf;
1987 yy_size_t n;
1988 int i;
1989
1990 /* Get memory for full buffer, including space for trailing EOB's. */
1991 n = _yybytes_len + 2;
1992 buf = (char *) yyalloc(n );
1993 if ( ! buf )
1994 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1995
1996 for ( i = 0; i < _yybytes_len; ++i )
1997 buf[i] = yybytes[i];
1998
1999 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
2000
2001 b = yy_scan_buffer(buf,n );
2002 if ( ! b )
2003 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
2004
2005 /* It's okay to grow etc. this buffer, and we should throw it
2006 * away when we're done.
2007 */
2008 b->yy_is_our_buffer = 1;
2009
2010 return b;
2011 }
2012
2013 #ifndef YY_EXIT_FAILURE
2014 #define YY_EXIT_FAILURE 2
2015 #endif
2016
2017 static void yy_fatal_error (yyconst char* msg )
2018 {
2019 (void) fprintf( stderr, "%s\n", msg );
2020 exit( YY_EXIT_FAILURE );
2021 }
2022
2023 /* Redefine yyless() so it works in section 3 code. */
2024
2025 #undef yyless
2026 #define yyless(n) \
2027 do \
2028 { \
2029 /* Undo effects of setting up yytext. */ \
2030 int yyless_macro_arg = (n); \
2031 YY_LESS_LINENO(yyless_macro_arg);\
2032 yytext[yyleng] = (yy_hold_char); \
2033 (yy_c_buf_p) = yytext + yyless_macro_arg; \
2034 (yy_hold_char) = *(yy_c_buf_p); \
2035 *(yy_c_buf_p) = '\0'; \
2036 yyleng = yyless_macro_arg; \
2037 } \
2038 while ( 0 )
2039
2040 /* Accessor methods (get/set functions) to struct members. */
2041
2042 /** Get the current line number.
2043 *
2044 */
2045 int yyget_lineno (void)
2046 {
2047
2048 return yylineno;
2049 }
2050
2051 /** Get the input stream.
2052 *
2053 */
2054 FILE *yyget_in (void)
2055 {
2056 return yyin;
2057 }
2058
2059 /** Get the output stream.
2060 *
2061 */
2062 FILE *yyget_out (void)
2063 {
2064 return yyout;
2065 }
2066
2067 /** Get the length of the current token.
2068 *
2069 */
2070 int yyget_leng (void)
2071 {
2072 return yyleng;
2073 }
2074
2075 /** Get the current token.
2076 *
2077 */
2078
2079 char *yyget_text (void)
2080 {
2081 return yytext;
2082 }
2083
2084 /** Set the current line number.
2085 * @param line_number
2086 *
2087 */
2088 void yyset_lineno (int line_number )
2089 {
2090
2091 yylineno = line_number;
2092 }
2093
2094 /** Set the input stream. This does not discard the current
2095 * input buffer.
2096 * @param in_str A readable stream.
2097 *
2098 * @see yy_switch_to_buffer
2099 */
2100 void yyset_in (FILE * in_str )
2101 {
2102 yyin = in_str ;
2103 }
2104
2105 void yyset_out (FILE * out_str )
2106 {
2107 yyout = out_str ;
2108 }
2109
2110 int yyget_debug (void)
2111 {
2112 return yy_flex_debug;
2113 }
2114
2115 void yyset_debug (int bdebug )
2116 {
2117 yy_flex_debug = bdebug ;
2118 }
2119
2120 static int yy_init_globals (void)
2121 {
2122 /* Initialization is the same as for the non-reentrant scanner.
2123 * This function is called from yylex_destroy(), so don't allocate here.
2124 */
2125
2126 (yy_buffer_stack) = 0;
2127 (yy_buffer_stack_top) = 0;
2128 (yy_buffer_stack_max) = 0;
2129 (yy_c_buf_p) = (char *) 0;
2130 (yy_init) = 0;
2131 (yy_start) = 0;
2132
2133 /* Defined in main.c */
2134 #ifdef YY_STDINIT
2135 yyin = stdin;
2136 yyout = stdout;
2137 #else
2138 yyin = (FILE *) 0;
2139 yyout = (FILE *) 0;
2140 #endif
2141
2142 /* For future reference: Set errno on error, since we are called by
2143 * yylex_init()
2144 */
2145 return 0;
2146 }
2147
2148 /* yylex_destroy is for both reentrant and non-reentrant scanners. */
2149 int yylex_destroy (void)
2150 {
2151
2152 /* Pop the buffer stack, destroying each element. */
2153 while(YY_CURRENT_BUFFER){
2154 yy_delete_buffer(YY_CURRENT_BUFFER );
2155 YY_CURRENT_BUFFER_LVALUE = NULL;
2156 yypop_buffer_state();
2157 }
2158
2159 /* Destroy the stack itself. */
2160 yyfree((yy_buffer_stack) );
2161 (yy_buffer_stack) = NULL;
2162
2163 /* Reset the globals. This is important in a non-reentrant scanner so the next time
2164 * yylex() is called, initialization will occur. */
2165 yy_init_globals( );
2166
2167 return 0;
2168 }
2169
2170 /*
2171 * Internal utility routines.
2172 */
2173
2174 #ifndef yytext_ptr
2175 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
2176 {
2177 register int i;
2178 for ( i = 0; i < n; ++i )
2179 s1[i] = s2[i];
2180 }
2181 #endif
2182
2183 #ifdef YY_NEED_STRLEN
2184 static int yy_flex_strlen (yyconst char * s )
2185 {
2186 register int n;
2187 for ( n = 0; s[n]; ++n )
2188 ;
2189
2190 return n;
2191 }
2192 #endif
2193
2194 void *yyalloc (yy_size_t size )
2195 {
2196 return (void *) malloc( size );
2197 }
2198
2199 void *yyrealloc (void * ptr, yy_size_t size )
2200 {
2201 /* The cast to (char *) in the following accommodates both
2202 * implementations that use char* generic pointers, and those
2203 * that use void* generic pointers. It works with the latter
2204 * because both ANSI C and C++ allow castless assignment from
2205 * any pointer type to void*, and deal with argument conversions
2206 * as though doing an assignment.
2207 */
2208 return (void *) realloc( (char *) ptr, size );
2209 }
2210
2211 void yyfree (void * ptr )
2212 {
2213 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
2214 }
2215
2216 #define YYTABLES_NAME "yytables"
2217
2218 #line 272 "dtc-lexer.l"
2219
2220
2221
2222 static void push_input_file(const char *filename)
2223 {
2224 assert(filename);
2225
2226 srcfile_push(filename);
2227
2228 yyin = current_srcfile->f;
2229
2230 yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE));
2231 }
2232
2233
2234 static bool pop_input_file(void)
2235 {
2236 if (srcfile_pop() == 0)
2237 return false;
2238
2239 yypop_buffer_state();
2240 yyin = current_srcfile->f;
2241
2242 return true;
2243 }
2244
2245 static void lexical_error(const char *fmt, ...)
2246 {
2247 va_list ap;
2248
2249 va_start(ap, fmt);
2250 srcpos_verror(&yylloc, "Lexical error", fmt, ap);
2251 va_end(ap);
2252
2253 treesource_error = true;
2254 }
2255