| blob | 11cd78e723050e56d00709ef63164bd83cccff9e |
1 #line 2 "dtc-lexer.lex.c"
3 #line 4 "dtc-lexer.lex.c"
5 #define YY_INT_ALIGNED short int
7 /* A lexical scanner generated by flex */
9 #define FLEX_SCANNER
10 #define YY_FLEX_MAJOR_VERSION 2
11 #define YY_FLEX_MINOR_VERSION 5
12 #define YY_FLEX_SUBMINOR_VERSION 39
13 #if YY_FLEX_SUBMINOR_VERSION > 0
14 #define FLEX_BETA
15 #endif
17 /* First, we deal with platform-specific or compiler-specific issues. */
19 /* begin standard C headers. */
20 #include <stdio.h>
21 #include <string.h>
22 #include <errno.h>
23 #include <stdlib.h>
25 /* end standard C headers. */
27 /* flex integer type definitions */
29 #ifndef FLEXINT_H
30 #define FLEXINT_H
32 /* C99 systems have <inttypes.h>. Non-C99 systems may or may not. */
34 #if defined (__STDC_VERSION__) && __STDC_VERSION__ >= 199901L
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
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;
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
87 #endif /* ! C99 */
89 #endif /* ! FLEXINT_H */
91 #ifdef __cplusplus
93 /* The "const" storage-class-modifier is valid. */
94 #define YY_USE_CONST
96 #else /* ! __cplusplus */
98 /* C99 requires __STDC__ to be defined as 1. */
99 #if defined (__STDC__)
101 #define YY_USE_CONST
103 #endif /* defined (__STDC__) */
104 #endif /* ! __cplusplus */
106 #ifdef YY_USE_CONST
107 #define yyconst const
108 #else
109 #define yyconst
110 #endif
112 /* Returned upon end-of-file. */
113 #define YY_NULL 0
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)
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 *
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
135 /* Action number for EOF rule of a given start state. */
136 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
138 /* Special action meaning "start processing a new file". */
139 #define YY_NEW_FILE yyrestart(yyin )
141 #define YY_END_OF_BUFFER_CHAR 0
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
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))
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
165 #ifndef YY_TYPEDEF_YY_SIZE_T
166 #define YY_TYPEDEF_YY_SIZE_T
167 typedef size_t yy_size_t;
168 #endif
170 extern yy_size_t yyleng;
172 extern FILE *yyin, *yyout;
174 #define EOB_ACT_CONTINUE_SCAN 0
175 #define EOB_ACT_END_OF_FILE 1
176 #define EOB_ACT_LAST_MATCH 2
178 #define YY_LESS_LINENO(n)
179 #define YY_LINENO_REWIND_TO(ptr)
181 /* Return all but the first "n" matched characters back to the input stream. */
182 #define yyless(n) \
183 do \
184 { \
185 /* Undo effects of setting up yytext. */ \
186 int yyless_macro_arg = (n); \
187 YY_LESS_LINENO(yyless_macro_arg);\
188 *yy_cp = (yy_hold_char); \
189 YY_RESTORE_YY_MORE_OFFSET \
190 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
191 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
192 } \
193 while ( 0 )
195 #define unput(c) yyunput( c, (yytext_ptr) )
197 #ifndef YY_STRUCT_YY_BUFFER_STATE
198 #define YY_STRUCT_YY_BUFFER_STATE
199 struct yy_buffer_state
200 {
201 FILE *yy_input_file;
203 char *yy_ch_buf; /* input buffer */
204 char *yy_buf_pos; /* current position in input buffer */
206 /* Size of input buffer in bytes, not including room for EOB
207 * characters.
208 */
209 yy_size_t yy_buf_size;
211 /* Number of characters read into yy_ch_buf, not including EOB
212 * characters.
213 */
214 yy_size_t yy_n_chars;
216 /* Whether we "own" the buffer - i.e., we know we created it,
217 * and can realloc() it to grow it, and should free() it to
218 * delete it.
219 */
220 int yy_is_our_buffer;
222 /* Whether this is an "interactive" input source; if so, and
223 * if we're using stdio for input, then we want to use getc()
224 * instead of fread(), to make sure we stop fetching input after
225 * each newline.
226 */
227 int yy_is_interactive;
229 /* Whether we're considered to be at the beginning of a line.
230 * If so, '^' rules will be active on the next match, otherwise
231 * not.
232 */
233 int yy_at_bol;
235 int yy_bs_lineno; /**< The line count. */
236 int yy_bs_column; /**< The column count. */
238 /* Whether to try to fill the input buffer when we reach the
239 * end of it.
240 */
241 int yy_fill_buffer;
243 int yy_buffer_status;
245 #define YY_BUFFER_NEW 0
246 #define YY_BUFFER_NORMAL 1
247 /* When an EOF's been seen but there's still some text to process
248 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
249 * shouldn't try reading from the input source any more. We might
250 * still have a bunch of tokens to match, though, because of
251 * possible backing-up.
252 *
253 * When we actually see the EOF, we change the status to "new"
254 * (via yyrestart()), so that the user can continue scanning by
255 * just pointing yyin at a new input file.
256 */
257 #define YY_BUFFER_EOF_PENDING 2
259 };
260 #endif /* !YY_STRUCT_YY_BUFFER_STATE */
262 /* Stack of input buffers. */
263 static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
264 static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
265 static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
267 /* We provide macros for accessing buffer states in case in the
268 * future we want to put the buffer states in a more general
269 * "scanner state".
270 *
271 * Returns the top of the stack, or NULL.
272 */
273 #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
274 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
275 : NULL)
277 /* Same as previous macro, but useful when we know that the buffer stack is not
278 * NULL or when we need an lvalue. For internal use only.
279 */
280 #define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
282 /* yy_hold_char holds the character lost when yytext is formed. */
283 static char yy_hold_char;
284 static yy_size_t yy_n_chars; /* number of characters read into yy_ch_buf */
285 yy_size_t yyleng;
287 /* Points to current character in buffer. */
288 static char *yy_c_buf_p = (char *) 0;
289 static int yy_init = 0; /* whether we need to initialize */
290 static int yy_start = 0; /* start state number */
292 /* Flag which is used to allow yywrap()'s to do buffer switches
293 * instead of setting up a fresh yyin. A bit of a hack ...
294 */
295 static int yy_did_buffer_switch_on_eof;
297 void yyrestart (FILE *input_file );
298 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );
299 YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );
300 void yy_delete_buffer (YY_BUFFER_STATE b );
301 void yy_flush_buffer (YY_BUFFER_STATE b );
302 void yypush_buffer_state (YY_BUFFER_STATE new_buffer );
303 void yypop_buffer_state (void );
305 static void yyensure_buffer_stack (void );
306 static void yy_load_buffer_state (void );
307 static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );
309 #define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
311 YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );
312 YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );
313 YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,yy_size_t len );
315 void *yyalloc (yy_size_t );
316 void *yyrealloc (void *,yy_size_t );
317 void yyfree (void * );
319 #define yy_new_buffer yy_create_buffer
321 #define yy_set_interactive(is_interactive) \
322 { \
323 if ( ! YY_CURRENT_BUFFER ){ \
324 yyensure_buffer_stack (); \
325 YY_CURRENT_BUFFER_LVALUE = \
326 yy_create_buffer(yyin,YY_BUF_SIZE ); \
327 } \
328 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
329 }
331 #define yy_set_bol(at_bol) \
332 { \
333 if ( ! YY_CURRENT_BUFFER ){\
334 yyensure_buffer_stack (); \
335 YY_CURRENT_BUFFER_LVALUE = \
336 yy_create_buffer(yyin,YY_BUF_SIZE ); \
337 } \
338 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
339 }
341 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
343 /* Begin user sect3 */
345 #define yywrap() 1
346 #define YY_SKIP_YYWRAP
348 typedef unsigned char YY_CHAR;
350 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
352 typedef int yy_state_type;
354 extern int yylineno;
356 int yylineno = 1;
358 extern char *yytext;
359 #define yytext_ptr yytext
361 static yy_state_type yy_get_previous_state (void );
362 static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
363 static int yy_get_next_buffer (void );
364 static void yy_fatal_error (yyconst char msg[] );
366 /* Done after the current pattern has been matched and before the
367 * corresponding action - sets up yytext.
368 */
369 #define YY_DO_BEFORE_ACTION \
370 (yytext_ptr) = yy_bp; \
371 yyleng = (size_t) (yy_cp - yy_bp); \
372 (yy_hold_char) = *yy_cp; \
373 *yy_cp = '\0'; \
374 (yy_c_buf_p) = yy_cp;
376 #define YY_NUM_RULES 30
377 #define YY_END_OF_BUFFER 31
378 /* This struct is not used in this scanner,
379 but its presence is necessary. */
380 struct yy_trans_info
381 {
382 flex_int32_t yy_verify;
383 flex_int32_t yy_nxt;
384 };
385 static yyconst flex_int16_t yy_accept[159] =
386 { 0,
387 0, 0, 0, 0, 0, 0, 0, 0, 31, 29,
388 18, 18, 29, 29, 29, 29, 29, 29, 29, 29,
389 29, 29, 29, 29, 29, 29, 15, 16, 16, 29,
390 16, 10, 10, 18, 26, 0, 3, 0, 27, 12,
391 0, 0, 11, 0, 0, 0, 0, 0, 0, 0,
392 21, 23, 25, 24, 22, 0, 9, 28, 0, 0,
393 0, 14, 14, 16, 16, 16, 10, 10, 10, 0,
394 12, 0, 11, 0, 0, 0, 20, 0, 0, 0,
395 0, 0, 0, 0, 0, 16, 10, 10, 10, 0,
396 13, 19, 0, 0, 0, 0, 0, 0, 0, 0,
398 0, 16, 0, 0, 0, 0, 0, 0, 0, 0,
399 0, 16, 6, 0, 0, 0, 0, 0, 0, 2,
400 0, 0, 0, 0, 0, 0, 0, 0, 4, 17,
401 0, 0, 2, 0, 0, 0, 0, 0, 0, 0,
402 0, 0, 0, 0, 0, 1, 0, 0, 0, 0,
403 5, 8, 0, 0, 0, 0, 7, 0
404 } ;
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,
419 31, 21, 22, 22, 32, 22, 22, 33, 34, 35,
420 36, 37, 22, 38, 39, 40, 41, 42, 22, 25,
421 43, 22, 44, 45, 46, 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,
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 } ;
438 static yyconst flex_int32_t yy_meta[47] =
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, 3, 1, 4
445 } ;
447 static yyconst flex_int16_t yy_base[173] =
448 { 0,
449 0, 383, 34, 382, 65, 381, 37, 105, 387, 391,
450 54, 111, 367, 110, 109, 109, 112, 41, 366, 104,
451 367, 338, 124, 117, 0, 144, 391, 0, 121, 0,
452 135, 155, 140, 179, 391, 160, 391, 379, 391, 0,
453 368, 141, 391, 167, 370, 376, 346, 103, 342, 345,
454 391, 391, 391, 391, 391, 358, 391, 391, 175, 342,
455 338, 391, 355, 0, 185, 339, 184, 347, 346, 0,
456 0, 322, 175, 357, 175, 363, 352, 324, 330, 323,
457 332, 326, 201, 324, 329, 322, 391, 333, 181, 309,
458 391, 341, 340, 313, 320, 338, 178, 311, 146, 317,
460 314, 315, 335, 331, 303, 300, 309, 299, 308, 188,
461 336, 335, 391, 305, 320, 281, 283, 271, 203, 288,
462 281, 271, 266, 264, 245, 242, 208, 104, 391, 391,
463 244, 218, 204, 219, 206, 224, 201, 212, 204, 229,
464 215, 208, 207, 200, 219, 391, 233, 221, 200, 181,
465 391, 391, 149, 122, 86, 41, 391, 391, 245, 251,
466 259, 263, 267, 273, 280, 284, 292, 300, 304, 310,
467 318, 326
468 } ;
470 static yyconst flex_int16_t yy_def[173] =
471 { 0,
472 158, 1, 1, 3, 158, 5, 1, 1, 158, 158,
473 158, 158, 158, 159, 160, 161, 158, 158, 158, 158,
474 162, 158, 158, 158, 163, 162, 158, 164, 165, 164,
475 164, 158, 158, 158, 158, 159, 158, 159, 158, 166,
476 158, 161, 158, 161, 167, 168, 158, 158, 158, 158,
477 158, 158, 158, 158, 158, 162, 158, 158, 158, 158,
478 158, 158, 162, 164, 165, 164, 158, 158, 158, 169,
479 166, 170, 161, 167, 167, 168, 158, 158, 158, 158,
480 158, 158, 158, 158, 158, 164, 158, 158, 169, 170,
481 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
483 158, 164, 158, 158, 158, 158, 158, 158, 158, 171,
484 158, 164, 158, 158, 158, 158, 158, 158, 171, 158,
485 171, 158, 158, 158, 158, 158, 158, 158, 158, 158,
486 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
487 172, 158, 158, 158, 172, 158, 172, 158, 158, 158,
488 158, 158, 158, 158, 158, 158, 158, 0, 158, 158,
489 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
490 158, 158
491 } ;
493 static yyconst flex_int16_t yy_nxt[438] =
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, 10, 22, 10, 24, 25, 25, 25,
500 32, 33, 33, 157, 26, 34, 34, 34, 51, 52,
501 27, 26, 26, 26, 26, 10, 11, 12, 11, 13,
502 14, 28, 15, 16, 28, 28, 28, 24, 28, 28,
503 28, 10, 18, 19, 20, 29, 29, 29, 29, 29,
504 30, 10, 29, 29, 29, 29, 29, 29, 29, 29,
506 29, 29, 29, 29, 29, 29, 29, 29, 10, 22,
507 10, 23, 34, 34, 34, 37, 39, 43, 32, 33,
508 33, 45, 54, 55, 46, 59, 45, 64, 156, 46,
509 64, 64, 64, 79, 44, 38, 59, 57, 134, 47,
510 135, 48, 80, 49, 47, 50, 48, 99, 61, 43,
511 50, 110, 41, 67, 67, 67, 60, 63, 63, 63,
512 57, 155, 68, 69, 63, 37, 44, 66, 67, 67,
513 67, 63, 63, 63, 63, 73, 59, 68, 69, 70,
514 34, 34, 34, 43, 75, 38, 154, 92, 83, 83,
515 83, 64, 44, 120, 64, 64, 64, 67, 67, 67,
517 44, 57, 99, 68, 69, 107, 68, 69, 120, 127,
518 108, 153, 152, 121, 83, 83, 83, 133, 133, 133,
519 146, 133, 133, 133, 146, 140, 140, 140, 121, 141,
520 140, 140, 140, 151, 141, 158, 150, 149, 148, 144,
521 147, 143, 142, 139, 147, 36, 36, 36, 36, 36,
522 36, 36, 36, 40, 138, 137, 136, 40, 40, 42,
523 42, 42, 42, 42, 42, 42, 42, 56, 56, 56,
524 56, 62, 132, 62, 64, 131, 130, 64, 129, 64,
525 64, 65, 128, 158, 65, 65, 65, 65, 71, 127,
526 71, 71, 74, 74, 74, 74, 74, 74, 74, 74,
528 76, 76, 76, 76, 76, 76, 76, 76, 89, 126,
529 89, 90, 125, 90, 90, 124, 90, 90, 119, 119,
530 119, 119, 119, 119, 119, 119, 145, 145, 145, 145,
531 145, 145, 145, 145, 123, 122, 59, 59, 118, 117,
532 116, 115, 114, 113, 45, 112, 108, 111, 109, 106,
533 105, 104, 46, 103, 91, 87, 102, 101, 100, 98,
534 97, 96, 95, 94, 93, 77, 75, 91, 88, 87,
535 86, 57, 85, 84, 57, 82, 81, 78, 77, 75,
536 72, 158, 58, 57, 53, 35, 158, 31, 23, 23,
537 9, 158, 158, 158, 158, 158, 158, 158, 158, 158,
539 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
540 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
541 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
542 158, 158, 158, 158, 158, 158, 158
543 } ;
545 static yyconst flex_int16_t yy_chk[438] =
546 { 0,
547 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
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, 3, 3, 3, 3,
552 7, 7, 7, 156, 3, 11, 11, 11, 18, 18,
553 3, 3, 3, 3, 3, 5, 5, 5, 5, 5,
554 5, 5, 5, 5, 5, 5, 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,
558 5, 5, 5, 5, 5, 5, 5, 5, 5, 5,
559 5, 8, 12, 12, 12, 14, 15, 16, 8, 8,
560 8, 17, 20, 20, 17, 23, 24, 29, 155, 24,
561 29, 29, 29, 48, 16, 14, 31, 29, 128, 17,
562 128, 17, 48, 17, 24, 17, 24, 99, 24, 42,
563 24, 99, 15, 33, 33, 33, 23, 26, 26, 26,
564 26, 154, 33, 33, 26, 36, 42, 31, 32, 32,
565 32, 26, 26, 26, 26, 44, 59, 32, 32, 32,
566 34, 34, 34, 73, 75, 36, 153, 75, 59, 59,
567 59, 65, 44, 110, 65, 65, 65, 67, 67, 67,
569 73, 65, 83, 89, 89, 97, 67, 67, 119, 127,
570 97, 150, 149, 110, 83, 83, 83, 133, 133, 133,
571 141, 127, 127, 127, 145, 136, 136, 136, 119, 136,
572 140, 140, 140, 148, 140, 147, 144, 143, 142, 139,
573 141, 138, 137, 135, 145, 159, 159, 159, 159, 159,
574 159, 159, 159, 160, 134, 132, 131, 160, 160, 161,
575 161, 161, 161, 161, 161, 161, 161, 162, 162, 162,
576 162, 163, 126, 163, 164, 125, 124, 164, 123, 164,
577 164, 165, 122, 121, 165, 165, 165, 165, 166, 120,
578 166, 166, 167, 167, 167, 167, 167, 167, 167, 167,
580 168, 168, 168, 168, 168, 168, 168, 168, 169, 118,
581 169, 170, 117, 170, 170, 116, 170, 170, 171, 171,
582 171, 171, 171, 171, 171, 171, 172, 172, 172, 172,
583 172, 172, 172, 172, 115, 114, 112, 111, 109, 108,
584 107, 106, 105, 104, 103, 102, 101, 100, 98, 96,
585 95, 94, 93, 92, 90, 88, 86, 85, 84, 82,
586 81, 80, 79, 78, 77, 76, 74, 72, 69, 68,
587 66, 63, 61, 60, 56, 50, 49, 47, 46, 45,
588 41, 38, 22, 21, 19, 13, 9, 6, 4, 2,
589 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
591 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
592 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
593 158, 158, 158, 158, 158, 158, 158, 158, 158, 158,
594 158, 158, 158, 158, 158, 158, 158
595 } ;
597 static yy_state_type yy_last_accepting_state;
598 static char *yy_last_accepting_cpos;
600 extern int yy_flex_debug;
601 int yy_flex_debug = 0;
603 /* The intent behind this definition is that it'll catch
604 * any uses of REJECT which flex missed.
605 */
606 #define REJECT reject_used_but_not_detected
607 #define yymore() yymore_used_but_not_detected
608 #define YY_MORE_ADJ 0
609 #define YY_RESTORE_YY_MORE_OFFSET
610 char *yytext;
611 #line 1 "dtc-lexer.l"
612 /*
613 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
614 *
615 *
616 * This program is free software; you can redistribute it and/or
617 * modify it under the terms of the GNU General Public License as
618 * published by the Free Software Foundation; either version 2 of the
619 * License, or (at your option) any later version.
620 *
621 * This program is distributed in the hope that it will be useful,
622 * but WITHOUT ANY WARRANTY; without even the implied warranty of
623 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
624 * General Public License for more details.
625 *
626 * You should have received a copy of the GNU General Public License
627 * along with this program; if not, write to the Free Software
628 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
629 * USA
630 */
631 #define YY_NO_INPUT 1
635 #line 37 "dtc-lexer.l"
636 #include "dtc.h"
637 #include "srcpos.h"
638 #include "dtc-parser.tab.h"
640 YYLTYPE yylloc;
641 extern bool treesource_error;
643 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
644 #define YY_USER_ACTION \
645 { \
646 srcpos_update(&yylloc, yytext, yyleng); \
647 }
649 /*#define LEXDEBUG 1*/
651 #ifdef LEXDEBUG
652 #define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
653 #else
654 #define DPRINT(fmt, ...) do { } while (0)
655 #endif
657 static int dts_version = 1;
659 #define BEGIN_DEFAULT() DPRINT("<V1>\n"); \
660 BEGIN(V1); \
662 static void push_input_file(const char *filename);
663 static bool pop_input_file(void);
664 static void lexical_error(const char *fmt, ...);
665 #line 666 "dtc-lexer.lex.c"
667 #define INITIAL 0
668 #define BYTESTRING 1
669 #define PROPNODENAME 2
670 #define V1 3
672 #ifndef YY_NO_UNISTD_H
673 /* Special case for "unistd.h", since it is non-ANSI. We include it way
674 * down here because we want the user's section 1 to have been scanned first.
675 * The user has a chance to override it with an option.
676 */
677 #include <unistd.h>
678 #endif
680 #ifndef YY_EXTRA_TYPE
681 #define YY_EXTRA_TYPE void *
682 #endif
684 static int yy_init_globals (void );
686 /* Accessor methods to globals.
687 These are made visible to non-reentrant scanners for convenience. */
689 int yylex_destroy (void );
691 int yyget_debug (void );
693 void yyset_debug (int debug_flag );
695 YY_EXTRA_TYPE yyget_extra (void );
697 void yyset_extra (YY_EXTRA_TYPE user_defined );
699 FILE *yyget_in (void );
701 void yyset_in (FILE * in_str );
703 FILE *yyget_out (void );
705 void yyset_out (FILE * out_str );
707 yy_size_t yyget_leng (void );
709 char *yyget_text (void );
711 int yyget_lineno (void );
713 void yyset_lineno (int line_number );
715 /* Macros after this point can all be overridden by user definitions in
716 * section 1.
717 */
719 #ifndef YY_SKIP_YYWRAP
720 #ifdef __cplusplus
721 extern "C" int yywrap (void );
722 #else
723 extern int yywrap (void );
724 #endif
725 #endif
727 #ifndef yytext_ptr
728 static void yy_flex_strncpy (char *,yyconst char *,int );
729 #endif
731 #ifdef YY_NEED_STRLEN
732 static int yy_flex_strlen (yyconst char * );
733 #endif
735 #ifndef YY_NO_INPUT
737 #ifdef __cplusplus
738 static int yyinput (void );
739 #else
740 static int input (void );
741 #endif
743 #endif
745 /* Amount of stuff to slurp up with each read. */
746 #ifndef YY_READ_BUF_SIZE
747 #ifdef __ia64__
748 /* On IA-64, the buffer size is 16k, not 8k */
749 #define YY_READ_BUF_SIZE 16384
750 #else
751 #define YY_READ_BUF_SIZE 8192
752 #endif /* __ia64__ */
753 #endif
755 /* Copy whatever the last rule matched to the standard output. */
756 #ifndef ECHO
757 /* This used to be an fputs(), but since the string might contain NUL's,
758 * we now use fwrite().
759 */
760 #define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
761 #endif
763 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
764 * is returned in "result".
765 */
766 #ifndef YY_INPUT
767 #define YY_INPUT(buf,result,max_size) \
768 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
769 { \
770 int c = '*'; \
771 size_t n; \
772 for ( n = 0; n < max_size && \
773 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
774 buf[n] = (char) c; \
775 if ( c == '\n' ) \
776 buf[n++] = (char) c; \
777 if ( c == EOF && ferror( yyin ) ) \
778 YY_FATAL_ERROR( "input in flex scanner failed" ); \
779 result = n; \
780 } \
781 else \
782 { \
783 errno=0; \
784 while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
785 { \
786 if( errno != EINTR) \
787 { \
788 YY_FATAL_ERROR( "input in flex scanner failed" ); \
789 break; \
790 } \
791 errno=0; \
792 clearerr(yyin); \
793 } \
794 }\
795 \
797 #endif
799 /* No semi-colon after return; correct usage is to write "yyterminate();" -
800 * we don't want an extra ';' after the "return" because that will cause
801 * some compilers to complain about unreachable statements.
802 */
803 #ifndef yyterminate
804 #define yyterminate() return YY_NULL
805 #endif
807 /* Number of entries by which start-condition stack grows. */
808 #ifndef YY_START_STACK_INCR
809 #define YY_START_STACK_INCR 25
810 #endif
812 /* Report a fatal error. */
813 #ifndef YY_FATAL_ERROR
814 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
815 #endif
817 /* end tables serialization structures and prototypes */
819 /* Default declaration of generated scanner - a define so the user can
820 * easily add parameters.
821 */
822 #ifndef YY_DECL
823 #define YY_DECL_IS_OURS 1
825 extern int yylex (void);
827 #define YY_DECL int yylex (void)
828 #endif /* !YY_DECL */
830 /* Code executed at the beginning of each rule, after yytext and yyleng
831 * have been set up.
832 */
833 #ifndef YY_USER_ACTION
834 #define YY_USER_ACTION
835 #endif
837 /* Code executed at the end of each rule. */
838 #ifndef YY_BREAK
839 #define YY_BREAK break;
840 #endif
842 #define YY_RULE_SETUP \
843 if ( yyleng > 0 ) \
844 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = \
845 (yytext[yyleng - 1] == '\n'); \
846 YY_USER_ACTION
848 /** The main scanner function which does all the work.
849 */
850 YY_DECL
851 {
852 register yy_state_type yy_current_state;
853 register char *yy_cp, *yy_bp;
854 register int yy_act;
856 if ( !(yy_init) )
857 {
858 (yy_init) = 1;
860 #ifdef YY_USER_INIT
861 YY_USER_INIT;
862 #endif
864 if ( ! (yy_start) )
865 (yy_start) = 1; /* first start state */
867 if ( ! yyin )
868 yyin = stdin;
870 if ( ! yyout )
871 yyout = stdout;
873 if ( ! YY_CURRENT_BUFFER ) {
874 yyensure_buffer_stack ();
875 YY_CURRENT_BUFFER_LVALUE =
876 yy_create_buffer(yyin,YY_BUF_SIZE );
877 }
879 yy_load_buffer_state( );
880 }
882 {
883 #line 68 "dtc-lexer.l"
885 #line 886 "dtc-lexer.lex.c"
887 while ( 1 ) /* loops until end-of-file is reached */
888 {
889 yy_cp = (yy_c_buf_p);
891 /* Support of yytext. */
892 *yy_cp = (yy_hold_char);
894 /* yy_bp points to the position in yy_ch_buf of the start of
895 * the current run.
896 */
897 yy_bp = yy_cp;
899 yy_current_state = (yy_start);
900 yy_current_state += YY_AT_BOL();
901 yy_match:
902 do
903 {
904 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)] ;
905 if ( yy_accept[yy_current_state] )
906 {
907 (yy_last_accepting_state) = yy_current_state;
908 (yy_last_accepting_cpos) = yy_cp;
909 }
910 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
911 {
912 yy_current_state = (int) yy_def[yy_current_state];
913 if ( yy_current_state >= 159 )
914 yy_c = yy_meta[(unsigned int) yy_c];
915 }
916 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
917 ++yy_cp;
918 }
919 while ( yy_current_state != 158 );
920 yy_cp = (yy_last_accepting_cpos);
921 yy_current_state = (yy_last_accepting_state);
923 yy_find_action:
924 yy_act = yy_accept[yy_current_state];
926 YY_DO_BEFORE_ACTION;
928 do_action: /* This label is used only to access EOF actions. */
930 switch ( yy_act )
931 { /* beginning of action switch */
932 case 0: /* must back up */
933 /* undo the effects of YY_DO_BEFORE_ACTION */
934 *yy_cp = (yy_hold_char);
935 yy_cp = (yy_last_accepting_cpos);
936 yy_current_state = (yy_last_accepting_state);
937 goto yy_find_action;
939 case 1:
940 /* rule 1 can match eol */
941 YY_RULE_SETUP
942 #line 69 "dtc-lexer.l"
943 {
944 char *name = strchr(yytext, '\"') + 1;
945 yytext[yyleng-1] = '\0';
946 push_input_file(name);
947 }
948 YY_BREAK
949 case 2:
950 /* rule 2 can match eol */
951 YY_RULE_SETUP
952 #line 75 "dtc-lexer.l"
953 {
954 char *line, *tmp, *fn;
955 /* skip text before line # */
956 line = yytext;
957 while (!isdigit((unsigned char)*line))
958 line++;
959 /* skip digits in line # */
960 tmp = line;
961 while (!isspace((unsigned char)*tmp))
962 tmp++;
963 /* "NULL"-terminate line # */
964 *tmp = '\0';
965 /* start of filename */
966 fn = strchr(tmp + 1, '"') + 1;
967 /* strip trailing " from filename */
968 tmp = strchr(fn, '"');
969 *tmp = 0;
970 /* -1 since #line is the number of the next line */
971 srcpos_set_line(xstrdup(fn), atoi(line) - 1);
972 }
973 YY_BREAK
974 case YY_STATE_EOF(INITIAL):
975 case YY_STATE_EOF(BYTESTRING):
976 case YY_STATE_EOF(PROPNODENAME):
977 case YY_STATE_EOF(V1):
978 #line 96 "dtc-lexer.l"
979 {
980 if (!pop_input_file()) {
981 yyterminate();
982 }
983 }
984 YY_BREAK
985 case 3:
986 /* rule 3 can match eol */
987 YY_RULE_SETUP
988 #line 102 "dtc-lexer.l"
989 {
990 DPRINT("String: %s\n", yytext);
991 yylval.data = data_copy_escape_string(yytext+1,
992 yyleng-2);
993 return DT_STRING;
994 }
995 YY_BREAK
996 case 4:
997 YY_RULE_SETUP
998 #line 109 "dtc-lexer.l"
999 {
1000 DPRINT("Keyword: /dts-v1/\n");
1001 dts_version = 1;
1002 BEGIN_DEFAULT();
1003 return DT_V1;
1004 }
1005 YY_BREAK
1006 case 5:
1007 YY_RULE_SETUP
1008 #line 116 "dtc-lexer.l"
1009 {
1010 DPRINT("Keyword: /memreserve/\n");
1011 BEGIN_DEFAULT();
1012 return DT_MEMRESERVE;
1013 }
1014 YY_BREAK
1015 case 6:
1016 YY_RULE_SETUP
1017 #line 122 "dtc-lexer.l"
1018 {
1019 DPRINT("Keyword: /bits/\n");
1020 BEGIN_DEFAULT();
1021 return DT_BITS;
1022 }
1023 YY_BREAK
1024 case 7:
1025 YY_RULE_SETUP
1026 #line 128 "dtc-lexer.l"
1027 {
1028 DPRINT("Keyword: /delete-property/\n");
1029 DPRINT("<PROPNODENAME>\n");
1030 BEGIN(PROPNODENAME);
1031 return DT_DEL_PROP;
1032 }
1033 YY_BREAK
1034 case 8:
1035 YY_RULE_SETUP
1036 #line 135 "dtc-lexer.l"
1037 {
1038 DPRINT("Keyword: /delete-node/\n");
1039 DPRINT("<PROPNODENAME>\n");
1040 BEGIN(PROPNODENAME);
1041 return DT_DEL_NODE;
1042 }
1043 YY_BREAK
1044 case 9:
1045 YY_RULE_SETUP
1046 #line 142 "dtc-lexer.l"
1047 {
1048 DPRINT("Label: %s\n", yytext);
1049 yylval.labelref = xstrdup(yytext);
1050 yylval.labelref[yyleng-1] = '\0';
1051 return DT_LABEL;
1052 }
1053 YY_BREAK
1054 case 10:
1055 YY_RULE_SETUP
1056 #line 149 "dtc-lexer.l"
1057 {
1058 char *e;
1059 DPRINT("Integer Literal: '%s'\n", yytext);
1061 errno = 0;
1062 yylval.integer = strtoull(yytext, &e, 0);
1064 assert(!(*e) || !e[strspn(e, "UL")]);
1066 if (errno == ERANGE)
1067 lexical_error("Integer literal '%s' out of range",
1068 yytext);
1069 else
1070 /* ERANGE is the only strtoull error triggerable
1071 * by strings matching the pattern */
1072 assert(errno == 0);
1073 return DT_LITERAL;
1074 }
1075 YY_BREAK
1076 case 11:
1077 /* rule 11 can match eol */
1078 YY_RULE_SETUP
1079 #line 168 "dtc-lexer.l"
1080 {
1081 struct data d;
1082 DPRINT("Character literal: %s\n", yytext);
1084 d = data_copy_escape_string(yytext+1, yyleng-2);
1085 if (d.len == 1) {
1086 lexical_error("Empty character literal");
1087 yylval.integer = 0;
1088 return DT_CHAR_LITERAL;
1089 }
1091 yylval.integer = (unsigned char)d.val[0];
1093 if (d.len > 2)
1094 lexical_error("Character literal has %d"
1095 " characters instead of 1",
1096 d.len - 1);
1098 return DT_CHAR_LITERAL;
1099 }
1100 YY_BREAK
1101 case 12:
1102 YY_RULE_SETUP
1103 #line 189 "dtc-lexer.l"
1104 { /* label reference */
1105 DPRINT("Ref: %s\n", yytext+1);
1106 yylval.labelref = xstrdup(yytext+1);
1107 return DT_REF;
1108 }
1109 YY_BREAK
1110 case 13:
1111 YY_RULE_SETUP
1112 #line 195 "dtc-lexer.l"
1113 { /* new-style path reference */
1114 yytext[yyleng-1] = '\0';
1115 DPRINT("Ref: %s\n", yytext+2);
1116 yylval.labelref = xstrdup(yytext+2);
1117 return DT_REF;
1118 }
1119 YY_BREAK
1120 case 14:
1121 YY_RULE_SETUP
1122 #line 202 "dtc-lexer.l"
1123 {
1124 yylval.byte = strtol(yytext, NULL, 16);
1125 DPRINT("Byte: %02x\n", (int)yylval.byte);
1126 return DT_BYTE;
1127 }
1128 YY_BREAK
1129 case 15:
1130 YY_RULE_SETUP
1131 #line 208 "dtc-lexer.l"
1132 {
1133 DPRINT("/BYTESTRING\n");
1134 BEGIN_DEFAULT();
1135 return ']';
1136 }
1137 YY_BREAK
1138 case 16:
1139 YY_RULE_SETUP
1140 #line 214 "dtc-lexer.l"
1141 {
1142 DPRINT("PropNodeName: %s\n", yytext);
1143 yylval.propnodename = xstrdup((yytext[0] == '\\') ?
1144 yytext + 1 : yytext);
1145 BEGIN_DEFAULT();
1146 return DT_PROPNODENAME;
1147 }
1148 YY_BREAK
1149 case 17:
1150 YY_RULE_SETUP
1151 #line 222 "dtc-lexer.l"
1152 {
1153 DPRINT("Binary Include\n");
1154 return DT_INCBIN;
1155 }
1156 YY_BREAK
1157 case 18:
1158 /* rule 18 can match eol */
1159 YY_RULE_SETUP
1160 #line 227 "dtc-lexer.l"
1161 /* eat whitespace */
1162 YY_BREAK
1163 case 19:
1164 /* rule 19 can match eol */
1165 YY_RULE_SETUP
1166 #line 228 "dtc-lexer.l"
1167 /* eat C-style comments */
1168 YY_BREAK
1169 case 20:
1170 /* rule 20 can match eol */
1171 YY_RULE_SETUP
1172 #line 229 "dtc-lexer.l"
1173 /* eat C++-style comments */
1174 YY_BREAK
1175 case 21:
1176 YY_RULE_SETUP
1177 #line 231 "dtc-lexer.l"
1178 { return DT_LSHIFT; };
1179 YY_BREAK
1180 case 22:
1181 YY_RULE_SETUP
1182 #line 232 "dtc-lexer.l"
1183 { return DT_RSHIFT; };
1184 YY_BREAK
1185 case 23:
1186 YY_RULE_SETUP
1187 #line 233 "dtc-lexer.l"
1188 { return DT_LE; };
1189 YY_BREAK
1190 case 24:
1191 YY_RULE_SETUP
1192 #line 234 "dtc-lexer.l"
1193 { return DT_GE; };
1194 YY_BREAK
1195 case 25:
1196 YY_RULE_SETUP
1197 #line 235 "dtc-lexer.l"
1198 { return DT_EQ; };
1199 YY_BREAK
1200 case 26:
1201 YY_RULE_SETUP
1202 #line 236 "dtc-lexer.l"
1203 { return DT_NE; };
1204 YY_BREAK
1205 case 27:
1206 YY_RULE_SETUP
1207 #line 237 "dtc-lexer.l"
1208 { return DT_AND; };
1209 YY_BREAK
1210 case 28:
1211 YY_RULE_SETUP
1212 #line 238 "dtc-lexer.l"
1213 { return DT_OR; };
1214 YY_BREAK
1215 case 29:
1216 YY_RULE_SETUP
1217 #line 240 "dtc-lexer.l"
1218 {
1219 DPRINT("Char: %c (\\x%02x)\n", yytext[0],
1220 (unsigned)yytext[0]);
1221 if (yytext[0] == '[') {
1222 DPRINT("<BYTESTRING>\n");
1223 BEGIN(BYTESTRING);
1224 }
1225 if ((yytext[0] == '{')
1226 || (yytext[0] == ';')) {
1227 DPRINT("<PROPNODENAME>\n");
1228 BEGIN(PROPNODENAME);
1229 }
1230 return yytext[0];
1231 }
1232 YY_BREAK
1233 case 30:
1234 YY_RULE_SETUP
1235 #line 255 "dtc-lexer.l"
1236 ECHO;
1237 YY_BREAK
1238 #line 1239 "dtc-lexer.lex.c"
1240 case YY_END_OF_BUFFER:
1241 {
1242 /* Amount of text matched not including the EOB char. */
1243 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
1245 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1246 *yy_cp = (yy_hold_char);
1247 YY_RESTORE_YY_MORE_OFFSET
1249 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1250 {
1251 /* We're scanning a new file or input source. It's
1252 * possible that this happened because the user
1253 * just pointed yyin at a new source and called
1254 * yylex(). If so, then we have to assure
1255 * consistency between YY_CURRENT_BUFFER and our
1256 * globals. Here is the right place to do so, because
1257 * this is the first action (other than possibly a
1258 * back-up) that will match for the new input source.
1259 */
1260 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1261 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
1262 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1263 }
1265 /* Note that here we test for yy_c_buf_p "<=" to the position
1266 * of the first EOB in the buffer, since yy_c_buf_p will
1267 * already have been incremented past the NUL character
1268 * (since all states make transitions on EOB to the
1269 * end-of-buffer state). Contrast this with the test
1270 * in input().
1271 */
1272 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1273 { /* This was really a NUL. */
1274 yy_state_type yy_next_state;
1276 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1278 yy_current_state = yy_get_previous_state( );
1280 /* Okay, we're now positioned to make the NUL
1281 * transition. We couldn't have
1282 * yy_get_previous_state() go ahead and do it
1283 * for us because it doesn't know how to deal
1284 * with the possibility of jamming (and we don't
1285 * want to build jamming into it because then it
1286 * will run more slowly).
1287 */
1289 yy_next_state = yy_try_NUL_trans( yy_current_state );
1291 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1293 if ( yy_next_state )
1294 {
1295 /* Consume the NUL. */
1296 yy_cp = ++(yy_c_buf_p);
1297 yy_current_state = yy_next_state;
1298 goto yy_match;
1299 }
1301 else
1302 {
1303 yy_cp = (yy_last_accepting_cpos);
1304 yy_current_state = (yy_last_accepting_state);
1305 goto yy_find_action;
1306 }
1307 }
1309 else switch ( yy_get_next_buffer( ) )
1310 {
1311 case EOB_ACT_END_OF_FILE:
1312 {
1313 (yy_did_buffer_switch_on_eof) = 0;
1315 if ( yywrap( ) )
1316 {
1317 /* Note: because we've taken care in
1318 * yy_get_next_buffer() to have set up
1319 * yytext, we can now set up
1320 * yy_c_buf_p so that if some total
1321 * hoser (like flex itself) wants to
1322 * call the scanner after we return the
1323 * YY_NULL, it'll still work - another
1324 * YY_NULL will get returned.
1325 */
1326 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1328 yy_act = YY_STATE_EOF(YY_START);
1329 goto do_action;
1330 }
1332 else
1333 {
1334 if ( ! (yy_did_buffer_switch_on_eof) )
1335 YY_NEW_FILE;
1336 }
1337 break;
1338 }
1340 case EOB_ACT_CONTINUE_SCAN:
1341 (yy_c_buf_p) =
1342 (yytext_ptr) + yy_amount_of_matched_text;
1344 yy_current_state = yy_get_previous_state( );
1346 yy_cp = (yy_c_buf_p);
1347 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1348 goto yy_match;
1350 case EOB_ACT_LAST_MATCH:
1351 (yy_c_buf_p) =
1352 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1354 yy_current_state = yy_get_previous_state( );
1356 yy_cp = (yy_c_buf_p);
1357 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1358 goto yy_find_action;
1359 }
1360 break;
1361 }
1363 default:
1364 YY_FATAL_ERROR(
1365 "fatal flex scanner internal error--no action found" );
1366 } /* end of action switch */
1367 } /* end of scanning one token */
1368 } /* end of user's declarations */
1369 } /* end of yylex */
1371 /* yy_get_next_buffer - try to read in a new buffer
1372 *
1373 * Returns a code representing an action:
1374 * EOB_ACT_LAST_MATCH -
1375 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1376 * EOB_ACT_END_OF_FILE - end of file
1377 */
1378 static int yy_get_next_buffer (void)
1379 {
1380 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1381 register char *source = (yytext_ptr);
1382 register int number_to_move, i;
1383 int ret_val;
1385 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
1386 YY_FATAL_ERROR(
1387 "fatal flex scanner internal error--end of buffer missed" );
1389 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
1390 { /* Don't try to fill the buffer, so this is an EOF. */
1391 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
1392 {
1393 /* We matched a single character, the EOB, so
1394 * treat this as a final EOF.
1395 */
1396 return EOB_ACT_END_OF_FILE;
1397 }
1399 else
1400 {
1401 /* We matched some text prior to the EOB, first
1402 * process it.
1403 */
1404 return EOB_ACT_LAST_MATCH;
1405 }
1406 }
1408 /* Try to read more data. */
1410 /* First move last chars to start of buffer. */
1411 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
1413 for ( i = 0; i < number_to_move; ++i )
1414 *(dest++) = *(source++);
1416 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1417 /* don't do the read, it's not guaranteed to return an EOF,
1418 * just force an EOF
1419 */
1420 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
1422 else
1423 {
1424 yy_size_t num_to_read =
1425 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1427 while ( num_to_read <= 0 )
1428 { /* Not enough room in the buffer - grow it. */
1430 /* just a shorter name for the current buffer */
1431 YY_BUFFER_STATE b = YY_CURRENT_BUFFER_LVALUE;
1433 int yy_c_buf_p_offset =
1434 (int) ((yy_c_buf_p) - b->yy_ch_buf);
1436 if ( b->yy_is_our_buffer )
1437 {
1438 yy_size_t new_size = b->yy_buf_size * 2;
1440 if ( new_size <= 0 )
1441 b->yy_buf_size += b->yy_buf_size / 8;
1442 else
1443 b->yy_buf_size *= 2;
1445 b->yy_ch_buf = (char *)
1446 /* Include room in for 2 EOB chars. */
1447 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1448 }
1449 else
1450 /* Can't grow it, we don't own it. */
1451 b->yy_ch_buf = 0;
1453 if ( ! b->yy_ch_buf )
1454 YY_FATAL_ERROR(
1455 "fatal error - scanner input buffer overflow" );
1457 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1459 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1460 number_to_move - 1;
1462 }
1464 if ( num_to_read > YY_READ_BUF_SIZE )
1465 num_to_read = YY_READ_BUF_SIZE;
1467 /* Read in more data. */
1468 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1469 (yy_n_chars), num_to_read );
1471 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1472 }
1474 if ( (yy_n_chars) == 0 )
1475 {
1476 if ( number_to_move == YY_MORE_ADJ )
1477 {
1478 ret_val = EOB_ACT_END_OF_FILE;
1479 yyrestart(yyin );
1480 }
1482 else
1483 {
1484 ret_val = EOB_ACT_LAST_MATCH;
1485 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1486 YY_BUFFER_EOF_PENDING;
1487 }
1488 }
1490 else
1491 ret_val = EOB_ACT_CONTINUE_SCAN;
1493 if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
1494 /* Extend the array by 50%, plus the number we really need. */
1495 yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
1496 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
1497 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1498 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
1499 }
1501 (yy_n_chars) += number_to_move;
1502 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1503 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1505 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1507 return ret_val;
1508 }
1510 /* yy_get_previous_state - get the state just before the EOB char was reached */
1512 static yy_state_type yy_get_previous_state (void)
1513 {
1514 register yy_state_type yy_current_state;
1515 register char *yy_cp;
1517 yy_current_state = (yy_start);
1518 yy_current_state += YY_AT_BOL();
1520 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1521 {
1522 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
1523 if ( yy_accept[yy_current_state] )
1524 {
1525 (yy_last_accepting_state) = yy_current_state;
1526 (yy_last_accepting_cpos) = yy_cp;
1527 }
1528 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1529 {
1530 yy_current_state = (int) yy_def[yy_current_state];
1531 if ( yy_current_state >= 159 )
1532 yy_c = yy_meta[(unsigned int) yy_c];
1533 }
1534 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1535 }
1537 return yy_current_state;
1538 }
1540 /* yy_try_NUL_trans - try to make a transition on the NUL character
1541 *
1542 * synopsis
1543 * next_state = yy_try_NUL_trans( current_state );
1544 */
1545 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1546 {
1547 register int yy_is_jam;
1548 register char *yy_cp = (yy_c_buf_p);
1550 register YY_CHAR yy_c = 1;
1551 if ( yy_accept[yy_current_state] )
1552 {
1553 (yy_last_accepting_state) = yy_current_state;
1554 (yy_last_accepting_cpos) = yy_cp;
1555 }
1556 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1557 {
1558 yy_current_state = (int) yy_def[yy_current_state];
1559 if ( yy_current_state >= 159 )
1560 yy_c = yy_meta[(unsigned int) yy_c];
1561 }
1562 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1563 yy_is_jam = (yy_current_state == 158);
1565 return yy_is_jam ? 0 : yy_current_state;
1566 }
1568 #ifndef YY_NO_INPUT
1569 #ifdef __cplusplus
1570 static int yyinput (void)
1571 #else
1572 static int input (void)
1573 #endif
1575 {
1576 int c;
1578 *(yy_c_buf_p) = (yy_hold_char);
1580 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1581 {
1582 /* yy_c_buf_p now points to the character we want to return.
1583 * If this occurs *before* the EOB characters, then it's a
1584 * valid NUL; if not, then we've hit the end of the buffer.
1585 */
1586 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1587 /* This was really a NUL. */
1588 *(yy_c_buf_p) = '\0';
1590 else
1591 { /* need more input */
1592 yy_size_t offset = (yy_c_buf_p) - (yytext_ptr);
1593 ++(yy_c_buf_p);
1595 switch ( yy_get_next_buffer( ) )
1596 {
1597 case EOB_ACT_LAST_MATCH:
1598 /* This happens because yy_g_n_b()
1599 * sees that we've accumulated a
1600 * token and flags that we need to
1601 * try matching the token before
1602 * proceeding. But for input(),
1603 * there's no matching to consider.
1604 * So convert the EOB_ACT_LAST_MATCH
1605 * to EOB_ACT_END_OF_FILE.
1606 */
1608 /* Reset buffer status. */
1609 yyrestart(yyin );
1611 /*FALLTHROUGH*/
1613 case EOB_ACT_END_OF_FILE:
1614 {
1615 if ( yywrap( ) )
1616 return EOF;
1618 if ( ! (yy_did_buffer_switch_on_eof) )
1619 YY_NEW_FILE;
1620 #ifdef __cplusplus
1621 return yyinput();
1622 #else
1623 return input();
1624 #endif
1625 }
1627 case EOB_ACT_CONTINUE_SCAN:
1628 (yy_c_buf_p) = (yytext_ptr) + offset;
1629 break;
1630 }
1631 }
1632 }
1634 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1635 *(yy_c_buf_p) = '\0'; /* preserve yytext */
1636 (yy_hold_char) = *++(yy_c_buf_p);
1638 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = (c == '\n');
1640 return c;
1641 }
1642 #endif /* ifndef YY_NO_INPUT */
1644 /** Immediately switch to a different input stream.
1645 * @param input_file A readable stream.
1646 *
1647 * @note This function does not reset the start condition to @c INITIAL .
1648 */
1649 void yyrestart (FILE * input_file )
1650 {
1652 if ( ! YY_CURRENT_BUFFER ){
1653 yyensure_buffer_stack ();
1654 YY_CURRENT_BUFFER_LVALUE =
1655 yy_create_buffer(yyin,YY_BUF_SIZE );
1656 }
1658 yy_init_buffer(YY_CURRENT_BUFFER,input_file );
1659 yy_load_buffer_state( );
1660 }
1662 /** Switch to a different input buffer.
1663 * @param new_buffer The new input buffer.
1664 *
1665 */
1666 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1667 {
1669 /* TODO. We should be able to replace this entire function body
1670 * with
1671 * yypop_buffer_state();
1672 * yypush_buffer_state(new_buffer);
1673 */
1674 yyensure_buffer_stack ();
1675 if ( YY_CURRENT_BUFFER == new_buffer )
1676 return;
1678 if ( YY_CURRENT_BUFFER )
1679 {
1680 /* Flush out information for old buffer. */
1681 *(yy_c_buf_p) = (yy_hold_char);
1682 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1683 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1684 }
1686 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1687 yy_load_buffer_state( );
1689 /* We don't actually know whether we did this switch during
1690 * EOF (yywrap()) processing, but the only time this flag
1691 * is looked at is after yywrap() is called, so it's safe
1692 * to go ahead and always set it.
1693 */
1694 (yy_did_buffer_switch_on_eof) = 1;
1695 }
1697 static void yy_load_buffer_state (void)
1698 {
1699 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1700 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1701 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1702 (yy_hold_char) = *(yy_c_buf_p);
1703 }
1705 /** Allocate and initialize an input buffer state.
1706 * @param file A readable stream.
1707 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1708 *
1709 * @return the allocated buffer state.
1710 */
1711 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
1712 {
1713 YY_BUFFER_STATE b;
1715 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1716 if ( ! b )
1717 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1719 b->yy_buf_size = size;
1721 /* yy_ch_buf has to be 2 characters longer than the size given because
1722 * we need to put in 2 end-of-buffer characters.
1723 */
1724 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );
1725 if ( ! b->yy_ch_buf )
1726 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1728 b->yy_is_our_buffer = 1;
1730 yy_init_buffer(b,file );
1732 return b;
1733 }
1735 /** Destroy the buffer.
1736 * @param b a buffer created with yy_create_buffer()
1737 *
1738 */
1739 void yy_delete_buffer (YY_BUFFER_STATE b )
1740 {
1742 if ( ! b )
1743 return;
1745 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1746 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1748 if ( b->yy_is_our_buffer )
1749 yyfree((void *) b->yy_ch_buf );
1751 yyfree((void *) b );
1752 }
1754 /* Initializes or reinitializes a buffer.
1755 * This function is sometimes called more than once on the same buffer,
1756 * such as during a yyrestart() or at EOF.
1757 */
1758 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
1760 {
1761 int oerrno = errno;
1763 yy_flush_buffer(b );
1765 b->yy_input_file = file;
1766 b->yy_fill_buffer = 1;
1768 /* If b is the current buffer, then yy_init_buffer was _probably_
1769 * called from yyrestart() or through yy_get_next_buffer.
1770 * In that case, we don't want to reset the lineno or column.
1771 */
1772 if (b != YY_CURRENT_BUFFER){
1773 b->yy_bs_lineno = 1;
1774 b->yy_bs_column = 0;
1775 }
1777 b->yy_is_interactive = 0;
1779 errno = oerrno;
1780 }
1782 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1783 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1784 *
1785 */
1786 void yy_flush_buffer (YY_BUFFER_STATE b )
1787 {
1788 if ( ! b )
1789 return;
1791 b->yy_n_chars = 0;
1793 /* We always need two end-of-buffer characters. The first causes
1794 * a transition to the end-of-buffer state. The second causes
1795 * a jam in that state.
1796 */
1797 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1798 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1800 b->yy_buf_pos = &b->yy_ch_buf[0];
1802 b->yy_at_bol = 1;
1803 b->yy_buffer_status = YY_BUFFER_NEW;
1805 if ( b == YY_CURRENT_BUFFER )
1806 yy_load_buffer_state( );
1807 }
1809 /** Pushes the new state onto the stack. The new state becomes
1810 * the current state. This function will allocate the stack
1811 * if necessary.
1812 * @param new_buffer The new state.
1813 *
1814 */
1815 void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
1816 {
1817 if (new_buffer == NULL)
1818 return;
1820 yyensure_buffer_stack();
1822 /* This block is copied from yy_switch_to_buffer. */
1823 if ( YY_CURRENT_BUFFER )
1824 {
1825 /* Flush out information for old buffer. */
1826 *(yy_c_buf_p) = (yy_hold_char);
1827 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1828 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1829 }
1831 /* Only push if top exists. Otherwise, replace top. */
1832 if (YY_CURRENT_BUFFER)
1833 (yy_buffer_stack_top)++;
1834 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1836 /* copied from yy_switch_to_buffer. */
1837 yy_load_buffer_state( );
1838 (yy_did_buffer_switch_on_eof) = 1;
1839 }
1841 /** Removes and deletes the top of the stack, if present.
1842 * The next element becomes the new top.
1843 *
1844 */
1845 void yypop_buffer_state (void)
1846 {
1847 if (!YY_CURRENT_BUFFER)
1848 return;
1850 yy_delete_buffer(YY_CURRENT_BUFFER );
1851 YY_CURRENT_BUFFER_LVALUE = NULL;
1852 if ((yy_buffer_stack_top) > 0)
1853 --(yy_buffer_stack_top);
1855 if (YY_CURRENT_BUFFER) {
1856 yy_load_buffer_state( );
1857 (yy_did_buffer_switch_on_eof) = 1;
1858 }
1859 }
1861 /* Allocates the stack if it does not exist.
1862 * Guarantees space for at least one push.
1863 */
1864 static void yyensure_buffer_stack (void)
1865 {
1866 yy_size_t num_to_alloc;
1868 if (!(yy_buffer_stack)) {
1870 /* First allocation is just for 2 elements, since we don't know if this
1871 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1872 * immediate realloc on the next call.
1873 */
1874 num_to_alloc = 1;
1875 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
1876 (num_to_alloc * sizeof(struct yy_buffer_state*)
1877 );
1878 if ( ! (yy_buffer_stack) )
1879 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1881 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1883 (yy_buffer_stack_max) = num_to_alloc;
1884 (yy_buffer_stack_top) = 0;
1885 return;
1886 }
1888 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1890 /* Increase the buffer to prepare for a possible push. */
1891 int grow_size = 8 /* arbitrary grow size */;
1893 num_to_alloc = (yy_buffer_stack_max) + grow_size;
1894 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
1895 ((yy_buffer_stack),
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()" );
1901 /* zero only the new slots.*/
1902 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1903 (yy_buffer_stack_max) = num_to_alloc;
1904 }
1905 }
1907 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1908 * @param base the character buffer
1909 * @param size the size in bytes of the character buffer
1910 *
1911 * @return the newly allocated buffer state object.
1912 */
1913 YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
1914 {
1915 YY_BUFFER_STATE b;
1917 if ( size < 2 ||
1918 base[size-2] != YY_END_OF_BUFFER_CHAR ||
1919 base[size-1] != YY_END_OF_BUFFER_CHAR )
1920 /* They forgot to leave room for the EOB's. */
1921 return 0;
1923 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1924 if ( ! b )
1925 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1927 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1928 b->yy_buf_pos = b->yy_ch_buf = base;
1929 b->yy_is_our_buffer = 0;
1930 b->yy_input_file = 0;
1931 b->yy_n_chars = b->yy_buf_size;
1932 b->yy_is_interactive = 0;
1933 b->yy_at_bol = 1;
1934 b->yy_fill_buffer = 0;
1935 b->yy_buffer_status = YY_BUFFER_NEW;
1937 yy_switch_to_buffer(b );
1939 return b;
1940 }
1942 /** Setup the input buffer state to scan a string. The next call to yylex() will
1943 * scan from a @e copy of @a str.
1944 * @param yystr a NUL-terminated string to scan
1945 *
1946 * @return the newly allocated buffer state object.
1947 * @note If you want to scan bytes that may contain NUL values, then use
1948 * yy_scan_bytes() instead.
1949 */
1950 YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
1951 {
1953 return yy_scan_bytes(yystr,strlen(yystr) );
1954 }
1956 /** Setup the input buffer state to scan the given bytes. The next call to yylex() will
1957 * scan from a @e copy of @a bytes.
1958 * @param yybytes the byte buffer to scan
1959 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
1960 *
1961 * @return the newly allocated buffer state object.
1962 */
1963 YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, yy_size_t _yybytes_len )
1964 {
1965 YY_BUFFER_STATE b;
1966 char *buf;
1967 yy_size_t n;
1968 yy_size_t i;
1970 /* Get memory for full buffer, including space for trailing EOB's. */
1971 n = _yybytes_len + 2;
1972 buf = (char *) yyalloc(n );
1973 if ( ! buf )
1974 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1976 for ( i = 0; i < _yybytes_len; ++i )
1977 buf[i] = yybytes[i];
1979 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
1981 b = yy_scan_buffer(buf,n );
1982 if ( ! b )
1983 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1985 /* It's okay to grow etc. this buffer, and we should throw it
1986 * away when we're done.
1987 */
1988 b->yy_is_our_buffer = 1;
1990 return b;
1991 }
1993 #ifndef YY_EXIT_FAILURE
1994 #define YY_EXIT_FAILURE 2
1995 #endif
1997 static void yy_fatal_error (yyconst char* msg )
1998 {
1999 (void) fprintf( stderr, "%s\n", msg );
2000 exit( YY_EXIT_FAILURE );
2001 }
2003 /* Redefine yyless() so it works in section 3 code. */
2005 #undef yyless
2006 #define yyless(n) \
2007 do \
2008 { \
2009 /* Undo effects of setting up yytext. */ \
2010 int yyless_macro_arg = (n); \
2011 YY_LESS_LINENO(yyless_macro_arg);\
2012 yytext[yyleng] = (yy_hold_char); \
2013 (yy_c_buf_p) = yytext + yyless_macro_arg; \
2014 (yy_hold_char) = *(yy_c_buf_p); \
2015 *(yy_c_buf_p) = '\0'; \
2016 yyleng = yyless_macro_arg; \
2017 } \
2018 while ( 0 )
2020 /* Accessor methods (get/set functions) to struct members. */
2022 /** Get the current line number.
2023 *
2024 */
2025 int yyget_lineno (void)
2026 {
2028 return yylineno;
2029 }
2031 /** Get the input stream.
2032 *
2033 */
2034 FILE *yyget_in (void)
2035 {
2036 return yyin;
2037 }
2039 /** Get the output stream.
2040 *
2041 */
2042 FILE *yyget_out (void)
2043 {
2044 return yyout;
2045 }
2047 /** Get the length of the current token.
2048 *
2049 */
2050 yy_size_t yyget_leng (void)
2051 {
2052 return yyleng;
2053 }
2055 /** Get the current token.
2056 *
2057 */
2059 char *yyget_text (void)
2060 {
2061 return yytext;
2062 }
2064 /** Set the current line number.
2065 * @param line_number
2066 *
2067 */
2068 void yyset_lineno (int line_number )
2069 {
2071 yylineno = line_number;
2072 }
2074 /** Set the input stream. This does not discard the current
2075 * input buffer.
2076 * @param in_str A readable stream.
2077 *
2078 * @see yy_switch_to_buffer
2079 */
2080 void yyset_in (FILE * in_str )
2081 {
2082 yyin = in_str ;
2083 }
2085 void yyset_out (FILE * out_str )
2086 {
2087 yyout = out_str ;
2088 }
2090 int yyget_debug (void)
2091 {
2092 return yy_flex_debug;
2093 }
2095 void yyset_debug (int bdebug )
2096 {
2097 yy_flex_debug = bdebug ;
2098 }
2100 static int yy_init_globals (void)
2101 {
2102 /* Initialization is the same as for the non-reentrant scanner.
2103 * This function is called from yylex_destroy(), so don't allocate here.
2104 */
2106 (yy_buffer_stack) = 0;
2107 (yy_buffer_stack_top) = 0;
2108 (yy_buffer_stack_max) = 0;
2109 (yy_c_buf_p) = (char *) 0;
2110 (yy_init) = 0;
2111 (yy_start) = 0;
2113 /* Defined in main.c */
2114 #ifdef YY_STDINIT
2115 yyin = stdin;
2116 yyout = stdout;
2117 #else
2118 yyin = (FILE *) 0;
2119 yyout = (FILE *) 0;
2120 #endif
2122 /* For future reference: Set errno on error, since we are called by
2123 * yylex_init()
2124 */
2125 return 0;
2126 }
2128 /* yylex_destroy is for both reentrant and non-reentrant scanners. */
2129 int yylex_destroy (void)
2130 {
2132 /* Pop the buffer stack, destroying each element. */
2133 while(YY_CURRENT_BUFFER){
2134 yy_delete_buffer(YY_CURRENT_BUFFER );
2135 YY_CURRENT_BUFFER_LVALUE = NULL;
2136 yypop_buffer_state();
2137 }
2139 /* Destroy the stack itself. */
2140 yyfree((yy_buffer_stack) );
2141 (yy_buffer_stack) = NULL;
2143 /* Reset the globals. This is important in a non-reentrant scanner so the next time
2144 * yylex() is called, initialization will occur. */
2145 yy_init_globals( );
2147 return 0;
2148 }
2150 /*
2151 * Internal utility routines.
2152 */
2154 #ifndef yytext_ptr
2155 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
2156 {
2157 register int i;
2158 for ( i = 0; i < n; ++i )
2159 s1[i] = s2[i];
2160 }
2161 #endif
2163 #ifdef YY_NEED_STRLEN
2164 static int yy_flex_strlen (yyconst char * s )
2165 {
2166 register int n;
2167 for ( n = 0; s[n]; ++n )
2168 ;
2170 return n;
2171 }
2172 #endif
2174 void *yyalloc (yy_size_t size )
2175 {
2176 return (void *) malloc( size );
2177 }
2179 void *yyrealloc (void * ptr, yy_size_t size )
2180 {
2181 /* The cast to (char *) in the following accommodates both
2182 * implementations that use char* generic pointers, and those
2183 * that use void* generic pointers. It works with the latter
2184 * because both ANSI C and C++ allow castless assignment from
2185 * any pointer type to void*, and deal with argument conversions
2186 * as though doing an assignment.
2187 */
2188 return (void *) realloc( (char *) ptr, size );
2189 }
2191 void yyfree (void * ptr )
2192 {
2193 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
2194 }
2196 #define YYTABLES_NAME "yytables"
2198 #line 254 "dtc-lexer.l"
2202 static void push_input_file(const char *filename)
2203 {
2204 assert(filename);
2206 srcfile_push(filename);
2208 yyin = current_srcfile->f;
2210 yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE));
2211 }
2214 static bool pop_input_file(void)
2215 {
2216 if (srcfile_pop() == 0)
2217 return false;
2219 yypop_buffer_state();
2220 yyin = current_srcfile->f;
2222 return true;
2223 }
2225 static void lexical_error(const char *fmt, ...)
2226 {
2227 va_list ap;
2229 va_start(ap, fmt);
2230 srcpos_verror(&yylloc, "Lexical error", fmt, ap);
2231 va_end(ap);
2233 treesource_error = true;
2234 }