| blob | 50c4420b4b2c9c6894d66bc7df30b0203637ec4f |
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 35
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 extern int yyleng;
167 extern FILE *yyin, *yyout;
169 #define EOB_ACT_CONTINUE_SCAN 0
170 #define EOB_ACT_END_OF_FILE 1
171 #define EOB_ACT_LAST_MATCH 2
173 #define YY_LESS_LINENO(n)
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 )
189 #define unput(c) yyunput( c, (yytext_ptr) )
191 #ifndef YY_TYPEDEF_YY_SIZE_T
192 #define YY_TYPEDEF_YY_SIZE_T
193 typedef size_t yy_size_t;
194 #endif
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;
202 char *yy_ch_buf; /* input buffer */
203 char *yy_buf_pos; /* current position in input buffer */
205 /* Size of input buffer in bytes, not including room for EOB
206 * characters.
207 */
208 yy_size_t yy_buf_size;
210 /* Number of characters read into yy_ch_buf, not including EOB
211 * characters.
212 */
213 int yy_n_chars;
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;
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;
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;
234 int yy_bs_lineno; /**< The line count. */
235 int yy_bs_column; /**< The column count. */
237 /* Whether to try to fill the input buffer when we reach the
238 * end of it.
239 */
240 int yy_fill_buffer;
242 int yy_buffer_status;
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
258 };
259 #endif /* !YY_STRUCT_YY_BUFFER_STATE */
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. */
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)
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)]
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;
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 */
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;
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 );
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 );
308 #define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
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 );
314 void *yyalloc (yy_size_t );
315 void *yyrealloc (void *,yy_size_t );
316 void yyfree (void * );
318 #define yy_new_buffer yy_create_buffer
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 }
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 }
340 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
342 /* Begin user sect3 */
344 #define yywrap(n) 1
345 #define YY_SKIP_YYWRAP
347 typedef unsigned char YY_CHAR;
349 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
351 typedef int yy_state_type;
353 extern int yylineno;
355 int yylineno = 1;
357 extern char *yytext;
358 #define yytext_ptr yytext
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[] );
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;
375 #define YY_NUM_RULES 17
376 #define YY_END_OF_BUFFER 18
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[94] =
385 { 0,
386 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
387 18, 16, 13, 13, 16, 16, 16, 16, 16, 16,
388 16, 10, 11, 11, 6, 6, 13, 0, 2, 0,
389 7, 0, 0, 0, 0, 0, 0, 0, 5, 0,
390 9, 9, 11, 11, 6, 0, 7, 0, 0, 0,
391 0, 15, 0, 0, 0, 0, 6, 0, 14, 0,
392 0, 0, 0, 0, 8, 0, 0, 0, 0, 0,
393 0, 0, 0, 0, 0, 0, 0, 0, 3, 12,
394 0, 0, 0, 0, 0, 0, 0, 0, 1, 0,
395 0, 4, 0
397 } ;
399 static yyconst flex_int32_t yy_ec[256] =
400 { 0,
401 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
402 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
403 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
404 1, 2, 1, 4, 5, 1, 1, 6, 1, 1,
405 1, 7, 5, 5, 8, 5, 9, 10, 11, 12,
406 12, 12, 12, 12, 12, 12, 12, 13, 1, 1,
407 1, 1, 5, 5, 14, 14, 14, 14, 14, 14,
408 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
409 15, 15, 15, 15, 15, 15, 15, 16, 15, 15,
410 1, 17, 18, 1, 15, 1, 14, 19, 20, 21,
412 22, 14, 15, 15, 23, 15, 15, 24, 25, 26,
413 15, 15, 15, 27, 28, 29, 30, 31, 15, 16,
414 15, 15, 32, 1, 33, 1, 1, 1, 1, 1,
415 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
416 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
417 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
418 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
419 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
420 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
421 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
429 } ;
431 static yyconst flex_int32_t yy_meta[34] =
432 { 0,
433 1, 1, 1, 1, 2, 1, 2, 2, 3, 4,
434 4, 4, 5, 6, 7, 7, 1, 1, 6, 6,
435 6, 6, 7, 7, 7, 7, 7, 7, 7, 7,
436 7, 8, 1
437 } ;
439 static yyconst flex_int16_t yy_base[106] =
440 { 0,
441 0, 0, 237, 236, 25, 0, 47, 0, 30, 71,
442 244, 247, 82, 84, 84, 211, 95, 229, 218, 0,
443 111, 247, 0, 84, 83, 95, 106, 86, 247, 237,
444 0, 230, 231, 234, 207, 209, 212, 220, 247, 206,
445 247, 218, 0, 106, 116, 0, 0, 0, 223, 89,
446 226, 219, 199, 206, 200, 204, 0, 190, 213, 212,
447 202, 91, 178, 161, 247, 172, 144, 150, 140, 130,
448 140, 124, 128, 120, 138, 137, 123, 122, 247, 247,
449 134, 114, 132, 86, 135, 125, 90, 136, 247, 97,
450 29, 247, 247, 153, 156, 161, 165, 170, 176, 180,
452 187, 195, 200, 205, 212
453 } ;
455 static yyconst flex_int16_t yy_def[106] =
456 { 0,
457 93, 1, 1, 1, 1, 5, 93, 7, 1, 1,
458 93, 93, 93, 93, 94, 95, 93, 96, 17, 97,
459 96, 93, 98, 99, 93, 93, 93, 94, 93, 94,
460 100, 93, 101, 102, 93, 93, 93, 96, 93, 93,
461 93, 96, 98, 99, 93, 103, 100, 104, 101, 101,
462 102, 93, 93, 93, 93, 93, 103, 104, 93, 93,
463 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
464 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
465 93, 93, 93, 93, 93, 105, 93, 105, 93, 105,
466 93, 93, 0, 93, 93, 93, 93, 93, 93, 93,
468 93, 93, 93, 93, 93
469 } ;
471 static yyconst flex_int16_t yy_nxt[281] =
472 { 0,
473 12, 13, 14, 15, 12, 16, 12, 12, 17, 12,
474 12, 12, 12, 18, 18, 18, 12, 12, 18, 18,
475 18, 18, 18, 18, 18, 18, 18, 18, 18, 18,
476 18, 12, 12, 19, 20, 20, 20, 92, 21, 25,
477 26, 26, 22, 21, 21, 21, 21, 12, 13, 14,
478 15, 23, 16, 23, 23, 19, 23, 23, 23, 12,
479 24, 24, 24, 12, 12, 24, 24, 24, 24, 24,
480 24, 24, 24, 24, 24, 24, 24, 24, 12, 12,
481 25, 26, 26, 27, 27, 27, 27, 29, 43, 29,
482 43, 43, 45, 45, 45, 50, 39, 59, 46, 93,
484 30, 33, 30, 34, 45, 45, 45, 27, 27, 68,
485 43, 91, 43, 43, 69, 35, 87, 36, 39, 37,
486 42, 42, 42, 39, 42, 45, 45, 45, 89, 42,
487 42, 42, 42, 85, 85, 86, 85, 85, 86, 89,
488 84, 90, 83, 82, 81, 80, 79, 78, 77, 76,
489 75, 74, 90, 28, 28, 28, 28, 28, 28, 28,
490 28, 31, 31, 31, 38, 38, 38, 38, 41, 73,
491 41, 43, 72, 43, 71, 43, 43, 44, 33, 44,
492 44, 44, 44, 47, 69, 47, 47, 49, 49, 49,
493 49, 49, 49, 49, 49, 51, 51, 51, 51, 51,
495 51, 51, 51, 57, 70, 57, 58, 58, 58, 67,
496 58, 58, 88, 88, 88, 88, 88, 88, 88, 88,
497 34, 66, 65, 64, 63, 62, 61, 60, 52, 50,
498 39, 56, 39, 55, 54, 53, 52, 50, 48, 93,
499 40, 39, 32, 93, 19, 19, 11, 93, 93, 93,
500 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
501 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
502 93, 93, 93, 93, 93, 93, 93, 93, 93, 93
503 } ;
505 static yyconst flex_int16_t yy_chk[281] =
506 { 0,
507 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
508 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
509 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
510 1, 1, 1, 5, 5, 5, 5, 91, 5, 9,
511 9, 9, 5, 5, 5, 5, 5, 7, 7, 7,
512 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
513 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
514 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
515 10, 10, 10, 13, 13, 14, 14, 15, 24, 28,
516 24, 24, 25, 25, 25, 50, 24, 50, 25, 90,
518 15, 17, 28, 17, 26, 26, 26, 27, 27, 62,
519 44, 87, 44, 44, 62, 17, 84, 17, 44, 17,
520 21, 21, 21, 21, 21, 45, 45, 45, 86, 21,
521 21, 21, 21, 83, 83, 83, 85, 85, 85, 88,
522 82, 86, 81, 78, 77, 76, 75, 74, 73, 72,
523 71, 70, 88, 94, 94, 94, 94, 94, 94, 94,
524 94, 95, 95, 95, 96, 96, 96, 96, 97, 69,
525 97, 98, 68, 98, 67, 98, 98, 99, 66, 99,
526 99, 99, 99, 100, 64, 100, 100, 101, 101, 101,
527 101, 101, 101, 101, 101, 102, 102, 102, 102, 102,
529 102, 102, 102, 103, 63, 103, 104, 104, 104, 61,
530 104, 104, 105, 105, 105, 105, 105, 105, 105, 105,
531 60, 59, 58, 56, 55, 54, 53, 52, 51, 49,
532 42, 40, 38, 37, 36, 35, 34, 33, 32, 30,
533 19, 18, 16, 11, 4, 3, 93, 93, 93, 93,
534 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
535 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
536 93, 93, 93, 93, 93, 93, 93, 93, 93, 93
537 } ;
539 static yy_state_type yy_last_accepting_state;
540 static char *yy_last_accepting_cpos;
542 extern int yy_flex_debug;
543 int yy_flex_debug = 0;
545 /* The intent behind this definition is that it'll catch
546 * any uses of REJECT which flex missed.
547 */
548 #define REJECT reject_used_but_not_detected
549 #define yymore() yymore_used_but_not_detected
550 #define YY_MORE_ADJ 0
551 #define YY_RESTORE_YY_MORE_OFFSET
552 char *yytext;
553 #line 1 "dtc-lexer.l"
554 /*
555 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
556 *
557 *
558 * This program is free software; you can redistribute it and/or
559 * modify it under the terms of the GNU General Public License as
560 * published by the Free Software Foundation; either version 2 of the
561 * License, or (at your option) any later version.
562 *
563 * This program is distributed in the hope that it will be useful,
564 * but WITHOUT ANY WARRANTY; without even the implied warranty of
565 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
566 * General Public License for more details.
567 *
568 * You should have received a copy of the GNU General Public License
569 * along with this program; if not, write to the Free Software
570 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
571 * USA
572 */
573 #define YY_NO_INPUT 1
578 #line 37 "dtc-lexer.l"
579 #include "dtc.h"
580 #include "srcpos.h"
581 #include "dtc-parser.tab.h"
583 YYLTYPE yylloc;
585 /* CAUTION: this will stop working if we ever use yyless() or yyunput() */
586 #define YY_USER_ACTION \
587 { \
588 srcpos_update(&yylloc, yytext, yyleng); \
589 }
591 /*#define LEXDEBUG 1*/
593 #ifdef LEXDEBUG
594 #define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
595 #else
596 #define DPRINT(fmt, ...) do { } while (0)
597 #endif
599 static int dts_version = 1;
601 #define BEGIN_DEFAULT() DPRINT("<V1>\n"); \
602 BEGIN(V1); \
604 static void push_input_file(const char *filename);
605 static int pop_input_file(void);
606 #line 607 "dtc-lexer.lex.c"
608 #define INITIAL 0
609 #define INCLUDE 1
610 #define BYTESTRING 2
611 #define PROPNODENAME 3
612 #define V1 4
614 #ifndef YY_NO_UNISTD_H
615 /* Special case for "unistd.h", since it is non-ANSI. We include it way
616 * down here because we want the user's section 1 to have been scanned first.
617 * The user has a chance to override it with an option.
618 */
619 #include <unistd.h>
620 #endif
622 #ifndef YY_EXTRA_TYPE
623 #define YY_EXTRA_TYPE void *
624 #endif
626 static int yy_init_globals (void );
628 /* Accessor methods to globals.
629 These are made visible to non-reentrant scanners for convenience. */
631 int yylex_destroy (void );
633 int yyget_debug (void );
635 void yyset_debug (int debug_flag );
637 YY_EXTRA_TYPE yyget_extra (void );
639 void yyset_extra (YY_EXTRA_TYPE user_defined );
641 FILE *yyget_in (void );
643 void yyset_in (FILE * in_str );
645 FILE *yyget_out (void );
647 void yyset_out (FILE * out_str );
649 int yyget_leng (void );
651 char *yyget_text (void );
653 int yyget_lineno (void );
655 void yyset_lineno (int line_number );
657 /* Macros after this point can all be overridden by user definitions in
658 * section 1.
659 */
661 #ifndef YY_SKIP_YYWRAP
662 #ifdef __cplusplus
663 extern "C" int yywrap (void );
664 #else
665 extern int yywrap (void );
666 #endif
667 #endif
669 #ifndef yytext_ptr
670 static void yy_flex_strncpy (char *,yyconst char *,int );
671 #endif
673 #ifdef YY_NEED_STRLEN
674 static int yy_flex_strlen (yyconst char * );
675 #endif
677 #ifndef YY_NO_INPUT
679 #ifdef __cplusplus
680 static int yyinput (void );
681 #else
682 static int input (void );
683 #endif
685 #endif
687 /* Amount of stuff to slurp up with each read. */
688 #ifndef YY_READ_BUF_SIZE
689 #ifdef __ia64__
690 /* On IA-64, the buffer size is 16k, not 8k */
691 #define YY_READ_BUF_SIZE 16384
692 #else
693 #define YY_READ_BUF_SIZE 8192
694 #endif /* __ia64__ */
695 #endif
697 /* Copy whatever the last rule matched to the standard output. */
698 #ifndef ECHO
699 /* This used to be an fputs(), but since the string might contain NUL's,
700 * we now use fwrite().
701 */
702 #define ECHO do { if (fwrite( yytext, yyleng, 1, yyout )) {} } while (0)
703 #endif
705 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
706 * is returned in "result".
707 */
708 #ifndef YY_INPUT
709 #define YY_INPUT(buf,result,max_size) \
710 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
711 { \
712 int c = '*'; \
713 size_t n; \
714 for ( n = 0; n < max_size && \
715 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
716 buf[n] = (char) c; \
717 if ( c == '\n' ) \
718 buf[n++] = (char) c; \
719 if ( c == EOF && ferror( yyin ) ) \
720 YY_FATAL_ERROR( "input in flex scanner failed" ); \
721 result = n; \
722 } \
723 else \
724 { \
725 errno=0; \
726 while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
727 { \
728 if( errno != EINTR) \
729 { \
730 YY_FATAL_ERROR( "input in flex scanner failed" ); \
731 break; \
732 } \
733 errno=0; \
734 clearerr(yyin); \
735 } \
736 }\
737 \
739 #endif
741 /* No semi-colon after return; correct usage is to write "yyterminate();" -
742 * we don't want an extra ';' after the "return" because that will cause
743 * some compilers to complain about unreachable statements.
744 */
745 #ifndef yyterminate
746 #define yyterminate() return YY_NULL
747 #endif
749 /* Number of entries by which start-condition stack grows. */
750 #ifndef YY_START_STACK_INCR
751 #define YY_START_STACK_INCR 25
752 #endif
754 /* Report a fatal error. */
755 #ifndef YY_FATAL_ERROR
756 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
757 #endif
759 /* end tables serialization structures and prototypes */
761 /* Default declaration of generated scanner - a define so the user can
762 * easily add parameters.
763 */
764 #ifndef YY_DECL
765 #define YY_DECL_IS_OURS 1
767 extern int yylex (void);
769 #define YY_DECL int yylex (void)
770 #endif /* !YY_DECL */
772 /* Code executed at the beginning of each rule, after yytext and yyleng
773 * have been set up.
774 */
775 #ifndef YY_USER_ACTION
776 #define YY_USER_ACTION
777 #endif
779 /* Code executed at the end of each rule. */
780 #ifndef YY_BREAK
781 #define YY_BREAK break;
782 #endif
784 #define YY_RULE_SETUP \
785 YY_USER_ACTION
787 /** The main scanner function which does all the work.
788 */
789 YY_DECL
790 {
791 register yy_state_type yy_current_state;
792 register char *yy_cp, *yy_bp;
793 register int yy_act;
795 #line 66 "dtc-lexer.l"
797 #line 798 "dtc-lexer.lex.c"
799 if ( !(yy_init) )
800 {
801 (yy_init) = 1;
803 #ifdef YY_USER_INIT
804 YY_USER_INIT;
805 #endif
807 if ( ! (yy_start) )
808 (yy_start) = 1; /* first start state */
810 if ( ! yyin )
811 yyin = stdin;
813 if ( ! yyout )
814 yyout = stdout;
816 if ( ! YY_CURRENT_BUFFER ) {
817 yyensure_buffer_stack ();
818 YY_CURRENT_BUFFER_LVALUE =
819 yy_create_buffer(yyin,YY_BUF_SIZE );
820 }
822 yy_load_buffer_state( );
823 }
825 while ( 1 ) /* loops until end-of-file is reached */
826 {
827 yy_cp = (yy_c_buf_p);
829 /* Support of yytext. */
830 *yy_cp = (yy_hold_char);
832 /* yy_bp points to the position in yy_ch_buf of the start of
833 * the current run.
834 */
835 yy_bp = yy_cp;
837 yy_current_state = (yy_start);
838 yy_match:
839 do
840 {
841 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
842 if ( yy_accept[yy_current_state] )
843 {
844 (yy_last_accepting_state) = yy_current_state;
845 (yy_last_accepting_cpos) = yy_cp;
846 }
847 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
848 {
849 yy_current_state = (int) yy_def[yy_current_state];
850 if ( yy_current_state >= 94 )
851 yy_c = yy_meta[(unsigned int) yy_c];
852 }
853 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
854 ++yy_cp;
855 }
856 while ( yy_current_state != 93 );
857 yy_cp = (yy_last_accepting_cpos);
858 yy_current_state = (yy_last_accepting_state);
860 yy_find_action:
861 yy_act = yy_accept[yy_current_state];
863 YY_DO_BEFORE_ACTION;
865 do_action: /* This label is used only to access EOF actions. */
867 switch ( yy_act )
868 { /* beginning of action switch */
869 case 0: /* must back up */
870 /* undo the effects of YY_DO_BEFORE_ACTION */
871 *yy_cp = (yy_hold_char);
872 yy_cp = (yy_last_accepting_cpos);
873 yy_current_state = (yy_last_accepting_state);
874 goto yy_find_action;
876 case 1:
877 /* rule 1 can match eol */
878 YY_RULE_SETUP
879 #line 67 "dtc-lexer.l"
880 {
881 char *name = strchr(yytext, '\"') + 1;
882 yytext[yyleng-1] = '\0';
883 push_input_file(name);
884 }
885 YY_BREAK
886 case YY_STATE_EOF(INITIAL):
887 case YY_STATE_EOF(INCLUDE):
888 case YY_STATE_EOF(BYTESTRING):
889 case YY_STATE_EOF(PROPNODENAME):
890 case YY_STATE_EOF(V1):
891 #line 73 "dtc-lexer.l"
892 {
893 if (!pop_input_file()) {
894 yyterminate();
895 }
896 }
897 YY_BREAK
898 case 2:
899 /* rule 2 can match eol */
900 YY_RULE_SETUP
901 #line 79 "dtc-lexer.l"
902 {
903 DPRINT("String: %s\n", yytext);
904 yylval.data = data_copy_escape_string(yytext+1,
905 yyleng-2);
906 return DT_STRING;
907 }
908 YY_BREAK
909 case 3:
910 YY_RULE_SETUP
911 #line 86 "dtc-lexer.l"
912 {
913 DPRINT("Keyword: /dts-v1/\n");
914 dts_version = 1;
915 BEGIN_DEFAULT();
916 return DT_V1;
917 }
918 YY_BREAK
919 case 4:
920 YY_RULE_SETUP
921 #line 93 "dtc-lexer.l"
922 {
923 DPRINT("Keyword: /memreserve/\n");
924 BEGIN_DEFAULT();
925 return DT_MEMRESERVE;
926 }
927 YY_BREAK
928 case 5:
929 YY_RULE_SETUP
930 #line 99 "dtc-lexer.l"
931 {
932 DPRINT("Label: %s\n", yytext);
933 yylval.labelref = xstrdup(yytext);
934 yylval.labelref[yyleng-1] = '\0';
935 return DT_LABEL;
936 }
937 YY_BREAK
938 case 6:
939 YY_RULE_SETUP
940 #line 106 "dtc-lexer.l"
941 {
942 yylval.literal = xstrdup(yytext);
943 DPRINT("Literal: '%s'\n", yylval.literal);
944 return DT_LITERAL;
945 }
946 YY_BREAK
947 case 7:
948 YY_RULE_SETUP
949 #line 112 "dtc-lexer.l"
950 { /* label reference */
951 DPRINT("Ref: %s\n", yytext+1);
952 yylval.labelref = xstrdup(yytext+1);
953 return DT_REF;
954 }
955 YY_BREAK
956 case 8:
957 YY_RULE_SETUP
958 #line 118 "dtc-lexer.l"
959 { /* new-style path reference */
960 yytext[yyleng-1] = '\0';
961 DPRINT("Ref: %s\n", yytext+2);
962 yylval.labelref = xstrdup(yytext+2);
963 return DT_REF;
964 }
965 YY_BREAK
966 case 9:
967 YY_RULE_SETUP
968 #line 125 "dtc-lexer.l"
969 {
970 yylval.byte = strtol(yytext, NULL, 16);
971 DPRINT("Byte: %02x\n", (int)yylval.byte);
972 return DT_BYTE;
973 }
974 YY_BREAK
975 case 10:
976 YY_RULE_SETUP
977 #line 131 "dtc-lexer.l"
978 {
979 DPRINT("/BYTESTRING\n");
980 BEGIN_DEFAULT();
981 return ']';
982 }
983 YY_BREAK
984 case 11:
985 YY_RULE_SETUP
986 #line 137 "dtc-lexer.l"
987 {
988 DPRINT("PropNodeName: %s\n", yytext);
989 yylval.propnodename = xstrdup(yytext);
990 BEGIN_DEFAULT();
991 return DT_PROPNODENAME;
992 }
993 YY_BREAK
994 case 12:
995 YY_RULE_SETUP
996 #line 144 "dtc-lexer.l"
997 {
998 DPRINT("Binary Include\n");
999 return DT_INCBIN;
1000 }
1001 YY_BREAK
1002 case 13:
1003 /* rule 13 can match eol */
1004 YY_RULE_SETUP
1005 #line 149 "dtc-lexer.l"
1006 /* eat whitespace */
1007 YY_BREAK
1008 case 14:
1009 /* rule 14 can match eol */
1010 YY_RULE_SETUP
1011 #line 150 "dtc-lexer.l"
1012 /* eat C-style comments */
1013 YY_BREAK
1014 case 15:
1015 /* rule 15 can match eol */
1016 YY_RULE_SETUP
1017 #line 151 "dtc-lexer.l"
1018 /* eat C++-style comments */
1019 YY_BREAK
1020 case 16:
1021 YY_RULE_SETUP
1022 #line 153 "dtc-lexer.l"
1023 {
1024 DPRINT("Char: %c (\\x%02x)\n", yytext[0],
1025 (unsigned)yytext[0]);
1026 if (yytext[0] == '[') {
1027 DPRINT("<BYTESTRING>\n");
1028 BEGIN(BYTESTRING);
1029 }
1030 if ((yytext[0] == '{')
1031 || (yytext[0] == ';')) {
1032 DPRINT("<PROPNODENAME>\n");
1033 BEGIN(PROPNODENAME);
1034 }
1035 return yytext[0];
1036 }
1037 YY_BREAK
1038 case 17:
1039 YY_RULE_SETUP
1040 #line 168 "dtc-lexer.l"
1041 ECHO;
1042 YY_BREAK
1043 #line 1044 "dtc-lexer.lex.c"
1045 case YY_END_OF_BUFFER:
1046 {
1047 /* Amount of text matched not including the EOB char. */
1048 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
1050 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1051 *yy_cp = (yy_hold_char);
1052 YY_RESTORE_YY_MORE_OFFSET
1054 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1055 {
1056 /* We're scanning a new file or input source. It's
1057 * possible that this happened because the user
1058 * just pointed yyin at a new source and called
1059 * yylex(). If so, then we have to assure
1060 * consistency between YY_CURRENT_BUFFER and our
1061 * globals. Here is the right place to do so, because
1062 * this is the first action (other than possibly a
1063 * back-up) that will match for the new input source.
1064 */
1065 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1066 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
1067 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1068 }
1070 /* Note that here we test for yy_c_buf_p "<=" to the position
1071 * of the first EOB in the buffer, since yy_c_buf_p will
1072 * already have been incremented past the NUL character
1073 * (since all states make transitions on EOB to the
1074 * end-of-buffer state). Contrast this with the test
1075 * in input().
1076 */
1077 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1078 { /* This was really a NUL. */
1079 yy_state_type yy_next_state;
1081 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1083 yy_current_state = yy_get_previous_state( );
1085 /* Okay, we're now positioned to make the NUL
1086 * transition. We couldn't have
1087 * yy_get_previous_state() go ahead and do it
1088 * for us because it doesn't know how to deal
1089 * with the possibility of jamming (and we don't
1090 * want to build jamming into it because then it
1091 * will run more slowly).
1092 */
1094 yy_next_state = yy_try_NUL_trans( yy_current_state );
1096 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1098 if ( yy_next_state )
1099 {
1100 /* Consume the NUL. */
1101 yy_cp = ++(yy_c_buf_p);
1102 yy_current_state = yy_next_state;
1103 goto yy_match;
1104 }
1106 else
1107 {
1108 yy_cp = (yy_last_accepting_cpos);
1109 yy_current_state = (yy_last_accepting_state);
1110 goto yy_find_action;
1111 }
1112 }
1114 else switch ( yy_get_next_buffer( ) )
1115 {
1116 case EOB_ACT_END_OF_FILE:
1117 {
1118 (yy_did_buffer_switch_on_eof) = 0;
1120 if ( yywrap( ) )
1121 {
1122 /* Note: because we've taken care in
1123 * yy_get_next_buffer() to have set up
1124 * yytext, we can now set up
1125 * yy_c_buf_p so that if some total
1126 * hoser (like flex itself) wants to
1127 * call the scanner after we return the
1128 * YY_NULL, it'll still work - another
1129 * YY_NULL will get returned.
1130 */
1131 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1133 yy_act = YY_STATE_EOF(YY_START);
1134 goto do_action;
1135 }
1137 else
1138 {
1139 if ( ! (yy_did_buffer_switch_on_eof) )
1140 YY_NEW_FILE;
1141 }
1142 break;
1143 }
1145 case EOB_ACT_CONTINUE_SCAN:
1146 (yy_c_buf_p) =
1147 (yytext_ptr) + yy_amount_of_matched_text;
1149 yy_current_state = yy_get_previous_state( );
1151 yy_cp = (yy_c_buf_p);
1152 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1153 goto yy_match;
1155 case EOB_ACT_LAST_MATCH:
1156 (yy_c_buf_p) =
1157 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1159 yy_current_state = yy_get_previous_state( );
1161 yy_cp = (yy_c_buf_p);
1162 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1163 goto yy_find_action;
1164 }
1165 break;
1166 }
1168 default:
1169 YY_FATAL_ERROR(
1170 "fatal flex scanner internal error--no action found" );
1171 } /* end of action switch */
1172 } /* end of scanning one token */
1173 } /* end of yylex */
1175 /* yy_get_next_buffer - try to read in a new buffer
1176 *
1177 * Returns a code representing an action:
1178 * EOB_ACT_LAST_MATCH -
1179 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1180 * EOB_ACT_END_OF_FILE - end of file
1181 */
1182 static int yy_get_next_buffer (void)
1183 {
1184 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1185 register char *source = (yytext_ptr);
1186 register int number_to_move, i;
1187 int ret_val;
1189 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
1190 YY_FATAL_ERROR(
1191 "fatal flex scanner internal error--end of buffer missed" );
1193 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
1194 { /* Don't try to fill the buffer, so this is an EOF. */
1195 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
1196 {
1197 /* We matched a single character, the EOB, so
1198 * treat this as a final EOF.
1199 */
1200 return EOB_ACT_END_OF_FILE;
1201 }
1203 else
1204 {
1205 /* We matched some text prior to the EOB, first
1206 * process it.
1207 */
1208 return EOB_ACT_LAST_MATCH;
1209 }
1210 }
1212 /* Try to read more data. */
1214 /* First move last chars to start of buffer. */
1215 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
1217 for ( i = 0; i < number_to_move; ++i )
1218 *(dest++) = *(source++);
1220 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1221 /* don't do the read, it's not guaranteed to return an EOF,
1222 * just force an EOF
1223 */
1224 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
1226 else
1227 {
1228 int num_to_read =
1229 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1231 while ( num_to_read <= 0 )
1232 { /* Not enough room in the buffer - grow it. */
1234 /* just a shorter name for the current buffer */
1235 YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
1237 int yy_c_buf_p_offset =
1238 (int) ((yy_c_buf_p) - b->yy_ch_buf);
1240 if ( b->yy_is_our_buffer )
1241 {
1242 int new_size = b->yy_buf_size * 2;
1244 if ( new_size <= 0 )
1245 b->yy_buf_size += b->yy_buf_size / 8;
1246 else
1247 b->yy_buf_size *= 2;
1249 b->yy_ch_buf = (char *)
1250 /* Include room in for 2 EOB chars. */
1251 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1252 }
1253 else
1254 /* Can't grow it, we don't own it. */
1255 b->yy_ch_buf = 0;
1257 if ( ! b->yy_ch_buf )
1258 YY_FATAL_ERROR(
1259 "fatal error - scanner input buffer overflow" );
1261 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1263 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1264 number_to_move - 1;
1266 }
1268 if ( num_to_read > YY_READ_BUF_SIZE )
1269 num_to_read = YY_READ_BUF_SIZE;
1271 /* Read in more data. */
1272 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1273 (yy_n_chars), (size_t) num_to_read );
1275 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1276 }
1278 if ( (yy_n_chars) == 0 )
1279 {
1280 if ( number_to_move == YY_MORE_ADJ )
1281 {
1282 ret_val = EOB_ACT_END_OF_FILE;
1283 yyrestart(yyin );
1284 }
1286 else
1287 {
1288 ret_val = EOB_ACT_LAST_MATCH;
1289 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1290 YY_BUFFER_EOF_PENDING;
1291 }
1292 }
1294 else
1295 ret_val = EOB_ACT_CONTINUE_SCAN;
1297 if ((yy_size_t) ((yy_n_chars) + number_to_move) > YY_CURRENT_BUFFER_LVALUE->yy_buf_size) {
1298 /* Extend the array by 50%, plus the number we really need. */
1299 yy_size_t new_size = (yy_n_chars) + number_to_move + ((yy_n_chars) >> 1);
1300 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf = (char *) yyrealloc((void *) YY_CURRENT_BUFFER_LVALUE->yy_ch_buf,new_size );
1301 if ( ! YY_CURRENT_BUFFER_LVALUE->yy_ch_buf )
1302 YY_FATAL_ERROR( "out of dynamic memory in yy_get_next_buffer()" );
1303 }
1305 (yy_n_chars) += number_to_move;
1306 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1307 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1309 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1311 return ret_val;
1312 }
1314 /* yy_get_previous_state - get the state just before the EOB char was reached */
1316 static yy_state_type yy_get_previous_state (void)
1317 {
1318 register yy_state_type yy_current_state;
1319 register char *yy_cp;
1321 yy_current_state = (yy_start);
1323 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1324 {
1325 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
1326 if ( yy_accept[yy_current_state] )
1327 {
1328 (yy_last_accepting_state) = yy_current_state;
1329 (yy_last_accepting_cpos) = yy_cp;
1330 }
1331 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1332 {
1333 yy_current_state = (int) yy_def[yy_current_state];
1334 if ( yy_current_state >= 94 )
1335 yy_c = yy_meta[(unsigned int) yy_c];
1336 }
1337 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1338 }
1340 return yy_current_state;
1341 }
1343 /* yy_try_NUL_trans - try to make a transition on the NUL character
1344 *
1345 * synopsis
1346 * next_state = yy_try_NUL_trans( current_state );
1347 */
1348 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1349 {
1350 register int yy_is_jam;
1351 register char *yy_cp = (yy_c_buf_p);
1353 register YY_CHAR yy_c = 1;
1354 if ( yy_accept[yy_current_state] )
1355 {
1356 (yy_last_accepting_state) = yy_current_state;
1357 (yy_last_accepting_cpos) = yy_cp;
1358 }
1359 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1360 {
1361 yy_current_state = (int) yy_def[yy_current_state];
1362 if ( yy_current_state >= 94 )
1363 yy_c = yy_meta[(unsigned int) yy_c];
1364 }
1365 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1366 yy_is_jam = (yy_current_state == 93);
1368 return yy_is_jam ? 0 : yy_current_state;
1369 }
1371 #ifndef YY_NO_INPUT
1372 #ifdef __cplusplus
1373 static int yyinput (void)
1374 #else
1375 static int input (void)
1376 #endif
1378 {
1379 int c;
1381 *(yy_c_buf_p) = (yy_hold_char);
1383 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1384 {
1385 /* yy_c_buf_p now points to the character we want to return.
1386 * If this occurs *before* the EOB characters, then it's a
1387 * valid NUL; if not, then we've hit the end of the buffer.
1388 */
1389 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1390 /* This was really a NUL. */
1391 *(yy_c_buf_p) = '\0';
1393 else
1394 { /* need more input */
1395 int offset = (yy_c_buf_p) - (yytext_ptr);
1396 ++(yy_c_buf_p);
1398 switch ( yy_get_next_buffer( ) )
1399 {
1400 case EOB_ACT_LAST_MATCH:
1401 /* This happens because yy_g_n_b()
1402 * sees that we've accumulated a
1403 * token and flags that we need to
1404 * try matching the token before
1405 * proceeding. But for input(),
1406 * there's no matching to consider.
1407 * So convert the EOB_ACT_LAST_MATCH
1408 * to EOB_ACT_END_OF_FILE.
1409 */
1411 /* Reset buffer status. */
1412 yyrestart(yyin );
1414 /*FALLTHROUGH*/
1416 case EOB_ACT_END_OF_FILE:
1417 {
1418 if ( yywrap( ) )
1419 return EOF;
1421 if ( ! (yy_did_buffer_switch_on_eof) )
1422 YY_NEW_FILE;
1423 #ifdef __cplusplus
1424 return yyinput();
1425 #else
1426 return input();
1427 #endif
1428 }
1430 case EOB_ACT_CONTINUE_SCAN:
1431 (yy_c_buf_p) = (yytext_ptr) + offset;
1432 break;
1433 }
1434 }
1435 }
1437 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1438 *(yy_c_buf_p) = '\0'; /* preserve yytext */
1439 (yy_hold_char) = *++(yy_c_buf_p);
1441 return c;
1442 }
1443 #endif /* ifndef YY_NO_INPUT */
1445 /** Immediately switch to a different input stream.
1446 * @param input_file A readable stream.
1447 *
1448 * @note This function does not reset the start condition to @c INITIAL .
1449 */
1450 void yyrestart (FILE * input_file )
1451 {
1453 if ( ! YY_CURRENT_BUFFER ){
1454 yyensure_buffer_stack ();
1455 YY_CURRENT_BUFFER_LVALUE =
1456 yy_create_buffer(yyin,YY_BUF_SIZE );
1457 }
1459 yy_init_buffer(YY_CURRENT_BUFFER,input_file );
1460 yy_load_buffer_state( );
1461 }
1463 /** Switch to a different input buffer.
1464 * @param new_buffer The new input buffer.
1465 *
1466 */
1467 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1468 {
1470 /* TODO. We should be able to replace this entire function body
1471 * with
1472 * yypop_buffer_state();
1473 * yypush_buffer_state(new_buffer);
1474 */
1475 yyensure_buffer_stack ();
1476 if ( YY_CURRENT_BUFFER == new_buffer )
1477 return;
1479 if ( YY_CURRENT_BUFFER )
1480 {
1481 /* Flush out information for old buffer. */
1482 *(yy_c_buf_p) = (yy_hold_char);
1483 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1484 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1485 }
1487 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1488 yy_load_buffer_state( );
1490 /* We don't actually know whether we did this switch during
1491 * EOF (yywrap()) processing, but the only time this flag
1492 * is looked at is after yywrap() is called, so it's safe
1493 * to go ahead and always set it.
1494 */
1495 (yy_did_buffer_switch_on_eof) = 1;
1496 }
1498 static void yy_load_buffer_state (void)
1499 {
1500 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1501 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1502 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1503 (yy_hold_char) = *(yy_c_buf_p);
1504 }
1506 /** Allocate and initialize an input buffer state.
1507 * @param file A readable stream.
1508 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1509 *
1510 * @return the allocated buffer state.
1511 */
1512 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
1513 {
1514 YY_BUFFER_STATE b;
1516 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1517 if ( ! b )
1518 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1520 b->yy_buf_size = size;
1522 /* yy_ch_buf has to be 2 characters longer than the size given because
1523 * we need to put in 2 end-of-buffer characters.
1524 */
1525 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );
1526 if ( ! b->yy_ch_buf )
1527 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1529 b->yy_is_our_buffer = 1;
1531 yy_init_buffer(b,file );
1533 return b;
1534 }
1536 /** Destroy the buffer.
1537 * @param b a buffer created with yy_create_buffer()
1538 *
1539 */
1540 void yy_delete_buffer (YY_BUFFER_STATE b )
1541 {
1543 if ( ! b )
1544 return;
1546 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1547 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1549 if ( b->yy_is_our_buffer )
1550 yyfree((void *) b->yy_ch_buf );
1552 yyfree((void *) b );
1553 }
1555 /* Initializes or reinitializes a buffer.
1556 * This function is sometimes called more than once on the same buffer,
1557 * such as during a yyrestart() or at EOF.
1558 */
1559 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
1561 {
1562 int oerrno = errno;
1564 yy_flush_buffer(b );
1566 b->yy_input_file = file;
1567 b->yy_fill_buffer = 1;
1569 /* If b is the current buffer, then yy_init_buffer was _probably_
1570 * called from yyrestart() or through yy_get_next_buffer.
1571 * In that case, we don't want to reset the lineno or column.
1572 */
1573 if (b != YY_CURRENT_BUFFER){
1574 b->yy_bs_lineno = 1;
1575 b->yy_bs_column = 0;
1576 }
1578 b->yy_is_interactive = 0;
1580 errno = oerrno;
1581 }
1583 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1584 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1585 *
1586 */
1587 void yy_flush_buffer (YY_BUFFER_STATE b )
1588 {
1589 if ( ! b )
1590 return;
1592 b->yy_n_chars = 0;
1594 /* We always need two end-of-buffer characters. The first causes
1595 * a transition to the end-of-buffer state. The second causes
1596 * a jam in that state.
1597 */
1598 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1599 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1601 b->yy_buf_pos = &b->yy_ch_buf[0];
1603 b->yy_at_bol = 1;
1604 b->yy_buffer_status = YY_BUFFER_NEW;
1606 if ( b == YY_CURRENT_BUFFER )
1607 yy_load_buffer_state( );
1608 }
1610 /** Pushes the new state onto the stack. The new state becomes
1611 * the current state. This function will allocate the stack
1612 * if necessary.
1613 * @param new_buffer The new state.
1614 *
1615 */
1616 void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
1617 {
1618 if (new_buffer == NULL)
1619 return;
1621 yyensure_buffer_stack();
1623 /* This block is copied from yy_switch_to_buffer. */
1624 if ( YY_CURRENT_BUFFER )
1625 {
1626 /* Flush out information for old buffer. */
1627 *(yy_c_buf_p) = (yy_hold_char);
1628 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1629 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1630 }
1632 /* Only push if top exists. Otherwise, replace top. */
1633 if (YY_CURRENT_BUFFER)
1634 (yy_buffer_stack_top)++;
1635 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1637 /* copied from yy_switch_to_buffer. */
1638 yy_load_buffer_state( );
1639 (yy_did_buffer_switch_on_eof) = 1;
1640 }
1642 /** Removes and deletes the top of the stack, if present.
1643 * The next element becomes the new top.
1644 *
1645 */
1646 void yypop_buffer_state (void)
1647 {
1648 if (!YY_CURRENT_BUFFER)
1649 return;
1651 yy_delete_buffer(YY_CURRENT_BUFFER );
1652 YY_CURRENT_BUFFER_LVALUE = NULL;
1653 if ((yy_buffer_stack_top) > 0)
1654 --(yy_buffer_stack_top);
1656 if (YY_CURRENT_BUFFER) {
1657 yy_load_buffer_state( );
1658 (yy_did_buffer_switch_on_eof) = 1;
1659 }
1660 }
1662 /* Allocates the stack if it does not exist.
1663 * Guarantees space for at least one push.
1664 */
1665 static void yyensure_buffer_stack (void)
1666 {
1667 int num_to_alloc;
1669 if (!(yy_buffer_stack)) {
1671 /* First allocation is just for 2 elements, since we don't know if this
1672 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1673 * immediate realloc on the next call.
1674 */
1675 num_to_alloc = 1;
1676 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
1677 (num_to_alloc * sizeof(struct yy_buffer_state*)
1678 );
1679 if ( ! (yy_buffer_stack) )
1680 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1682 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1684 (yy_buffer_stack_max) = num_to_alloc;
1685 (yy_buffer_stack_top) = 0;
1686 return;
1687 }
1689 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1691 /* Increase the buffer to prepare for a possible push. */
1692 int grow_size = 8 /* arbitrary grow size */;
1694 num_to_alloc = (yy_buffer_stack_max) + grow_size;
1695 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
1696 ((yy_buffer_stack),
1697 num_to_alloc * sizeof(struct yy_buffer_state*)
1698 );
1699 if ( ! (yy_buffer_stack) )
1700 YY_FATAL_ERROR( "out of dynamic memory in yyensure_buffer_stack()" );
1702 /* zero only the new slots.*/
1703 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1704 (yy_buffer_stack_max) = num_to_alloc;
1705 }
1706 }
1708 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1709 * @param base the character buffer
1710 * @param size the size in bytes of the character buffer
1711 *
1712 * @return the newly allocated buffer state object.
1713 */
1714 YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
1715 {
1716 YY_BUFFER_STATE b;
1718 if ( size < 2 ||
1719 base[size-2] != YY_END_OF_BUFFER_CHAR ||
1720 base[size-1] != YY_END_OF_BUFFER_CHAR )
1721 /* They forgot to leave room for the EOB's. */
1722 return 0;
1724 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1725 if ( ! b )
1726 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1728 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1729 b->yy_buf_pos = b->yy_ch_buf = base;
1730 b->yy_is_our_buffer = 0;
1731 b->yy_input_file = 0;
1732 b->yy_n_chars = b->yy_buf_size;
1733 b->yy_is_interactive = 0;
1734 b->yy_at_bol = 1;
1735 b->yy_fill_buffer = 0;
1736 b->yy_buffer_status = YY_BUFFER_NEW;
1738 yy_switch_to_buffer(b );
1740 return b;
1741 }
1743 /** Setup the input buffer state to scan a string. The next call to yylex() will
1744 * scan from a @e copy of @a str.
1745 * @param yystr a NUL-terminated string to scan
1746 *
1747 * @return the newly allocated buffer state object.
1748 * @note If you want to scan bytes that may contain NUL values, then use
1749 * yy_scan_bytes() instead.
1750 */
1751 YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
1752 {
1754 return yy_scan_bytes(yystr,strlen(yystr) );
1755 }
1757 /** Setup the input buffer state to scan the given bytes. The next call to yylex() will
1758 * scan from a @e copy of @a bytes.
1759 * @param yybytes the byte buffer to scan
1760 * @param _yybytes_len the number of bytes in the buffer pointed to by @a bytes.
1761 *
1762 * @return the newly allocated buffer state object.
1763 */
1764 YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len )
1765 {
1766 YY_BUFFER_STATE b;
1767 char *buf;
1768 yy_size_t n;
1769 int i;
1771 /* Get memory for full buffer, including space for trailing EOB's. */
1772 n = _yybytes_len + 2;
1773 buf = (char *) yyalloc(n );
1774 if ( ! buf )
1775 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1777 for ( i = 0; i < _yybytes_len; ++i )
1778 buf[i] = yybytes[i];
1780 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
1782 b = yy_scan_buffer(buf,n );
1783 if ( ! b )
1784 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1786 /* It's okay to grow etc. this buffer, and we should throw it
1787 * away when we're done.
1788 */
1789 b->yy_is_our_buffer = 1;
1791 return b;
1792 }
1794 #ifndef YY_EXIT_FAILURE
1795 #define YY_EXIT_FAILURE 2
1796 #endif
1798 static void yy_fatal_error (yyconst char* msg )
1799 {
1800 (void) fprintf( stderr, "%s\n", msg );
1801 exit( YY_EXIT_FAILURE );
1802 }
1804 /* Redefine yyless() so it works in section 3 code. */
1806 #undef yyless
1807 #define yyless(n) \
1808 do \
1809 { \
1810 /* Undo effects of setting up yytext. */ \
1811 int yyless_macro_arg = (n); \
1812 YY_LESS_LINENO(yyless_macro_arg);\
1813 yytext[yyleng] = (yy_hold_char); \
1814 (yy_c_buf_p) = yytext + yyless_macro_arg; \
1815 (yy_hold_char) = *(yy_c_buf_p); \
1816 *(yy_c_buf_p) = '\0'; \
1817 yyleng = yyless_macro_arg; \
1818 } \
1819 while ( 0 )
1821 /* Accessor methods (get/set functions) to struct members. */
1823 /** Get the current line number.
1824 *
1825 */
1826 int yyget_lineno (void)
1827 {
1829 return yylineno;
1830 }
1832 /** Get the input stream.
1833 *
1834 */
1835 FILE *yyget_in (void)
1836 {
1837 return yyin;
1838 }
1840 /** Get the output stream.
1841 *
1842 */
1843 FILE *yyget_out (void)
1844 {
1845 return yyout;
1846 }
1848 /** Get the length of the current token.
1849 *
1850 */
1851 int yyget_leng (void)
1852 {
1853 return yyleng;
1854 }
1856 /** Get the current token.
1857 *
1858 */
1860 char *yyget_text (void)
1861 {
1862 return yytext;
1863 }
1865 /** Set the current line number.
1866 * @param line_number
1867 *
1868 */
1869 void yyset_lineno (int line_number )
1870 {
1872 yylineno = line_number;
1873 }
1875 /** Set the input stream. This does not discard the current
1876 * input buffer.
1877 * @param in_str A readable stream.
1878 *
1879 * @see yy_switch_to_buffer
1880 */
1881 void yyset_in (FILE * in_str )
1882 {
1883 yyin = in_str ;
1884 }
1886 void yyset_out (FILE * out_str )
1887 {
1888 yyout = out_str ;
1889 }
1891 int yyget_debug (void)
1892 {
1893 return yy_flex_debug;
1894 }
1896 void yyset_debug (int bdebug )
1897 {
1898 yy_flex_debug = bdebug ;
1899 }
1901 static int yy_init_globals (void)
1902 {
1903 /* Initialization is the same as for the non-reentrant scanner.
1904 * This function is called from yylex_destroy(), so don't allocate here.
1905 */
1907 (yy_buffer_stack) = 0;
1908 (yy_buffer_stack_top) = 0;
1909 (yy_buffer_stack_max) = 0;
1910 (yy_c_buf_p) = (char *) 0;
1911 (yy_init) = 0;
1912 (yy_start) = 0;
1914 /* Defined in main.c */
1915 #ifdef YY_STDINIT
1916 yyin = stdin;
1917 yyout = stdout;
1918 #else
1919 yyin = (FILE *) 0;
1920 yyout = (FILE *) 0;
1921 #endif
1923 /* For future reference: Set errno on error, since we are called by
1924 * yylex_init()
1925 */
1926 return 0;
1927 }
1929 /* yylex_destroy is for both reentrant and non-reentrant scanners. */
1930 int yylex_destroy (void)
1931 {
1933 /* Pop the buffer stack, destroying each element. */
1934 while(YY_CURRENT_BUFFER){
1935 yy_delete_buffer(YY_CURRENT_BUFFER );
1936 YY_CURRENT_BUFFER_LVALUE = NULL;
1937 yypop_buffer_state();
1938 }
1940 /* Destroy the stack itself. */
1941 yyfree((yy_buffer_stack) );
1942 (yy_buffer_stack) = NULL;
1944 /* Reset the globals. This is important in a non-reentrant scanner so the next time
1945 * yylex() is called, initialization will occur. */
1946 yy_init_globals( );
1948 return 0;
1949 }
1951 /*
1952 * Internal utility routines.
1953 */
1955 #ifndef yytext_ptr
1956 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
1957 {
1958 register int i;
1959 for ( i = 0; i < n; ++i )
1960 s1[i] = s2[i];
1961 }
1962 #endif
1964 #ifdef YY_NEED_STRLEN
1965 static int yy_flex_strlen (yyconst char * s )
1966 {
1967 register int n;
1968 for ( n = 0; s[n]; ++n )
1969 ;
1971 return n;
1972 }
1973 #endif
1975 void *yyalloc (yy_size_t size )
1976 {
1977 return (void *) malloc( size );
1978 }
1980 void *yyrealloc (void * ptr, yy_size_t size )
1981 {
1982 /* The cast to (char *) in the following accommodates both
1983 * implementations that use char* generic pointers, and those
1984 * that use void* generic pointers. It works with the latter
1985 * because both ANSI C and C++ allow castless assignment from
1986 * any pointer type to void*, and deal with argument conversions
1987 * as though doing an assignment.
1988 */
1989 return (void *) realloc( (char *) ptr, size );
1990 }
1992 void yyfree (void * ptr )
1993 {
1994 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
1995 }
1997 #define YYTABLES_NAME "yytables"
1999 #line 168 "dtc-lexer.l"
2003 static void push_input_file(const char *filename)
2004 {
2005 assert(filename);
2007 srcfile_push(filename);
2009 yyin = current_srcfile->f;
2011 yypush_buffer_state(yy_create_buffer(yyin,YY_BUF_SIZE));
2012 }
2015 static int pop_input_file(void)
2016 {
2017 if (srcfile_pop() == 0)
2018 return 0;
2020 yypop_buffer_state();
2021 yyin = current_srcfile->f;
2023 return 1;
2024 }