| blob | d0f742460f920ca503e938808d1dc129637a1ee6 |
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 33
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 __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;
57 #endif /* ! C99 */
59 /* Limits of integral types. */
60 #ifndef INT8_MIN
61 #define INT8_MIN (-128)
62 #endif
63 #ifndef INT16_MIN
64 #define INT16_MIN (-32767-1)
65 #endif
66 #ifndef INT32_MIN
67 #define INT32_MIN (-2147483647-1)
68 #endif
69 #ifndef INT8_MAX
70 #define INT8_MAX (127)
71 #endif
72 #ifndef INT16_MAX
73 #define INT16_MAX (32767)
74 #endif
75 #ifndef INT32_MAX
76 #define INT32_MAX (2147483647)
77 #endif
78 #ifndef UINT8_MAX
79 #define UINT8_MAX (255U)
80 #endif
81 #ifndef UINT16_MAX
82 #define UINT16_MAX (65535U)
83 #endif
84 #ifndef UINT32_MAX
85 #define UINT32_MAX (4294967295U)
86 #endif
88 #endif /* ! FLEXINT_H */
90 #ifdef __cplusplus
92 /* The "const" storage-class-modifier is valid. */
93 #define YY_USE_CONST
95 #else /* ! __cplusplus */
97 #if __STDC__
99 #define YY_USE_CONST
101 #endif /* __STDC__ */
102 #endif /* ! __cplusplus */
104 #ifdef YY_USE_CONST
105 #define yyconst const
106 #else
107 #define yyconst
108 #endif
110 /* Returned upon end-of-file. */
111 #define YY_NULL 0
113 /* Promotes a possibly negative, possibly signed char to an unsigned
114 * integer for use as an array index. If the signed char is negative,
115 * we want to instead treat it as an 8-bit unsigned char, hence the
116 * double cast.
117 */
118 #define YY_SC_TO_UI(c) ((unsigned int) (unsigned char) c)
120 /* Enter a start condition. This macro really ought to take a parameter,
121 * but we do it the disgusting crufty way forced on us by the ()-less
122 * definition of BEGIN.
123 */
124 #define BEGIN (yy_start) = 1 + 2 *
126 /* Translate the current start state into a value that can be later handed
127 * to BEGIN to return to the state. The YYSTATE alias is for lex
128 * compatibility.
129 */
130 #define YY_START (((yy_start) - 1) / 2)
131 #define YYSTATE YY_START
133 /* Action number for EOF rule of a given start state. */
134 #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1)
136 /* Special action meaning "start processing a new file". */
137 #define YY_NEW_FILE yyrestart(yyin )
139 #define YY_END_OF_BUFFER_CHAR 0
141 /* Size of default input buffer. */
142 #ifndef YY_BUF_SIZE
143 #define YY_BUF_SIZE 16384
144 #endif
146 /* The state buf must be large enough to hold one state per character in the main buffer.
147 */
148 #define YY_STATE_BUF_SIZE ((YY_BUF_SIZE + 2) * sizeof(yy_state_type))
150 #ifndef YY_TYPEDEF_YY_BUFFER_STATE
151 #define YY_TYPEDEF_YY_BUFFER_STATE
152 typedef struct yy_buffer_state *YY_BUFFER_STATE;
153 #endif
155 extern int yyleng;
157 extern FILE *yyin, *yyout;
159 #define EOB_ACT_CONTINUE_SCAN 0
160 #define EOB_ACT_END_OF_FILE 1
161 #define EOB_ACT_LAST_MATCH 2
163 /* Note: We specifically omit the test for yy_rule_can_match_eol because it requires
164 * access to the local variable yy_act. Since yyless() is a macro, it would break
165 * existing scanners that call yyless() from OUTSIDE yylex.
166 * One obvious solution it to make yy_act a global. I tried that, and saw
167 * a 5% performance hit in a non-yylineno scanner, because yy_act is
168 * normally declared as a register variable-- so it is not worth it.
169 */
170 #define YY_LESS_LINENO(n) \
171 do { \
172 int yyl;\
173 for ( yyl = n; yyl < yyleng; ++yyl )\
174 if ( yytext[yyl] == '\n' )\
175 --yylineno;\
176 }while(0)
178 /* Return all but the first "n" matched characters back to the input stream. */
179 #define yyless(n) \
180 do \
181 { \
182 /* Undo effects of setting up yytext. */ \
183 int yyless_macro_arg = (n); \
184 YY_LESS_LINENO(yyless_macro_arg);\
185 *yy_cp = (yy_hold_char); \
186 YY_RESTORE_YY_MORE_OFFSET \
187 (yy_c_buf_p) = yy_cp = yy_bp + yyless_macro_arg - YY_MORE_ADJ; \
188 YY_DO_BEFORE_ACTION; /* set up yytext again */ \
189 } \
190 while ( 0 )
192 #define unput(c) yyunput( c, (yytext_ptr) )
194 /* The following is because we cannot portably get our hands on size_t
195 * (without autoconf's help, which isn't available because we want
196 * flex-generated scanners to compile on their own).
197 */
199 #ifndef YY_TYPEDEF_YY_SIZE_T
200 #define YY_TYPEDEF_YY_SIZE_T
201 typedef unsigned int yy_size_t;
202 #endif
204 #ifndef YY_STRUCT_YY_BUFFER_STATE
205 #define YY_STRUCT_YY_BUFFER_STATE
206 struct yy_buffer_state
207 {
208 FILE *yy_input_file;
210 char *yy_ch_buf; /* input buffer */
211 char *yy_buf_pos; /* current position in input buffer */
213 /* Size of input buffer in bytes, not including room for EOB
214 * characters.
215 */
216 yy_size_t yy_buf_size;
218 /* Number of characters read into yy_ch_buf, not including EOB
219 * characters.
220 */
221 int yy_n_chars;
223 /* Whether we "own" the buffer - i.e., we know we created it,
224 * and can realloc() it to grow it, and should free() it to
225 * delete it.
226 */
227 int yy_is_our_buffer;
229 /* Whether this is an "interactive" input source; if so, and
230 * if we're using stdio for input, then we want to use getc()
231 * instead of fread(), to make sure we stop fetching input after
232 * each newline.
233 */
234 int yy_is_interactive;
236 /* Whether we're considered to be at the beginning of a line.
237 * If so, '^' rules will be active on the next match, otherwise
238 * not.
239 */
240 int yy_at_bol;
242 int yy_bs_lineno; /**< The line count. */
243 int yy_bs_column; /**< The column count. */
245 /* Whether to try to fill the input buffer when we reach the
246 * end of it.
247 */
248 int yy_fill_buffer;
250 int yy_buffer_status;
252 #define YY_BUFFER_NEW 0
253 #define YY_BUFFER_NORMAL 1
254 /* When an EOF's been seen but there's still some text to process
255 * then we mark the buffer as YY_EOF_PENDING, to indicate that we
256 * shouldn't try reading from the input source any more. We might
257 * still have a bunch of tokens to match, though, because of
258 * possible backing-up.
259 *
260 * When we actually see the EOF, we change the status to "new"
261 * (via yyrestart()), so that the user can continue scanning by
262 * just pointing yyin at a new input file.
263 */
264 #define YY_BUFFER_EOF_PENDING 2
266 };
267 #endif /* !YY_STRUCT_YY_BUFFER_STATE */
269 /* Stack of input buffers. */
270 static size_t yy_buffer_stack_top = 0; /**< index of top of stack. */
271 static size_t yy_buffer_stack_max = 0; /**< capacity of stack. */
272 static YY_BUFFER_STATE * yy_buffer_stack = 0; /**< Stack as an array. */
274 /* We provide macros for accessing buffer states in case in the
275 * future we want to put the buffer states in a more general
276 * "scanner state".
277 *
278 * Returns the top of the stack, or NULL.
279 */
280 #define YY_CURRENT_BUFFER ( (yy_buffer_stack) \
281 ? (yy_buffer_stack)[(yy_buffer_stack_top)] \
282 : NULL)
284 /* Same as previous macro, but useful when we know that the buffer stack is not
285 * NULL or when we need an lvalue. For internal use only.
286 */
287 #define YY_CURRENT_BUFFER_LVALUE (yy_buffer_stack)[(yy_buffer_stack_top)]
289 /* yy_hold_char holds the character lost when yytext is formed. */
290 static char yy_hold_char;
291 static int yy_n_chars; /* number of characters read into yy_ch_buf */
292 int yyleng;
294 /* Points to current character in buffer. */
295 static char *yy_c_buf_p = (char *) 0;
296 static int yy_init = 0; /* whether we need to initialize */
297 static int yy_start = 0; /* start state number */
299 /* Flag which is used to allow yywrap()'s to do buffer switches
300 * instead of setting up a fresh yyin. A bit of a hack ...
301 */
302 static int yy_did_buffer_switch_on_eof;
304 void yyrestart (FILE *input_file );
305 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer );
306 YY_BUFFER_STATE yy_create_buffer (FILE *file,int size );
307 void yy_delete_buffer (YY_BUFFER_STATE b );
308 void yy_flush_buffer (YY_BUFFER_STATE b );
309 void yypush_buffer_state (YY_BUFFER_STATE new_buffer );
310 void yypop_buffer_state (void );
312 static void yyensure_buffer_stack (void );
313 static void yy_load_buffer_state (void );
314 static void yy_init_buffer (YY_BUFFER_STATE b,FILE *file );
316 #define YY_FLUSH_BUFFER yy_flush_buffer(YY_CURRENT_BUFFER )
318 YY_BUFFER_STATE yy_scan_buffer (char *base,yy_size_t size );
319 YY_BUFFER_STATE yy_scan_string (yyconst char *yy_str );
320 YY_BUFFER_STATE yy_scan_bytes (yyconst char *bytes,int len );
322 void *yyalloc (yy_size_t );
323 void *yyrealloc (void *,yy_size_t );
324 void yyfree (void * );
326 #define yy_new_buffer yy_create_buffer
328 #define yy_set_interactive(is_interactive) \
329 { \
330 if ( ! YY_CURRENT_BUFFER ){ \
331 yyensure_buffer_stack (); \
332 YY_CURRENT_BUFFER_LVALUE = \
333 yy_create_buffer(yyin,YY_BUF_SIZE ); \
334 } \
335 YY_CURRENT_BUFFER_LVALUE->yy_is_interactive = is_interactive; \
336 }
338 #define yy_set_bol(at_bol) \
339 { \
340 if ( ! YY_CURRENT_BUFFER ){\
341 yyensure_buffer_stack (); \
342 YY_CURRENT_BUFFER_LVALUE = \
343 yy_create_buffer(yyin,YY_BUF_SIZE ); \
344 } \
345 YY_CURRENT_BUFFER_LVALUE->yy_at_bol = at_bol; \
346 }
348 #define YY_AT_BOL() (YY_CURRENT_BUFFER_LVALUE->yy_at_bol)
350 /* Begin user sect3 */
352 #define yywrap() 1
353 #define YY_SKIP_YYWRAP
355 typedef unsigned char YY_CHAR;
357 FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0;
359 typedef int yy_state_type;
361 extern int yylineno;
363 int yylineno = 1;
365 extern char *yytext;
366 #define yytext_ptr yytext
368 static yy_state_type yy_get_previous_state (void );
369 static yy_state_type yy_try_NUL_trans (yy_state_type current_state );
370 static int yy_get_next_buffer (void );
371 static void yy_fatal_error (yyconst char msg[] );
373 /* Done after the current pattern has been matched and before the
374 * corresponding action - sets up yytext.
375 */
376 #define YY_DO_BEFORE_ACTION \
377 (yytext_ptr) = yy_bp; \
378 yyleng = (size_t) (yy_cp - yy_bp); \
379 (yy_hold_char) = *yy_cp; \
380 *yy_cp = '\0'; \
381 (yy_c_buf_p) = yy_cp;
383 #define YY_NUM_RULES 20
384 #define YY_END_OF_BUFFER 21
385 /* This struct is not used in this scanner,
386 but its presence is necessary. */
387 struct yy_trans_info
388 {
389 flex_int32_t yy_verify;
390 flex_int32_t yy_nxt;
391 };
392 static yyconst flex_int16_t yy_accept[94] =
393 { 0,
394 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
395 21, 19, 16, 16, 19, 19, 19, 8, 8, 19,
396 8, 19, 19, 19, 19, 14, 15, 15, 19, 9,
397 9, 16, 0, 3, 0, 0, 10, 0, 0, 0,
398 0, 0, 0, 8, 8, 6, 0, 7, 0, 2,
399 0, 13, 13, 15, 15, 9, 0, 12, 10, 0,
400 0, 0, 0, 18, 0, 0, 0, 2, 9, 0,
401 17, 0, 0, 0, 11, 0, 0, 0, 0, 0,
402 0, 0, 0, 0, 4, 0, 0, 1, 0, 0,
403 0, 5, 0
405 } ;
407 static yyconst flex_int32_t yy_ec[256] =
408 { 0,
409 1, 1, 1, 1, 1, 1, 1, 1, 2, 3,
410 2, 2, 2, 1, 1, 1, 1, 1, 1, 1,
411 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
412 1, 2, 1, 4, 5, 1, 1, 6, 1, 1,
413 1, 7, 8, 8, 9, 8, 10, 11, 12, 13,
414 13, 13, 13, 13, 13, 13, 13, 14, 1, 1,
415 1, 1, 8, 8, 15, 15, 15, 15, 15, 15,
416 16, 16, 16, 16, 16, 16, 16, 16, 16, 16,
417 16, 16, 16, 16, 16, 16, 16, 17, 16, 16,
418 1, 18, 19, 1, 16, 1, 15, 20, 21, 22,
420 23, 15, 16, 24, 25, 16, 16, 26, 27, 28,
421 24, 16, 16, 29, 30, 31, 32, 33, 16, 17,
422 16, 16, 34, 1, 35, 1, 1, 1, 1, 1,
423 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
424 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
425 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
426 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
427 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
428 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
429 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, 1, 1, 1, 1, 1,
436 1, 1, 1, 1, 1
437 } ;
439 static yyconst flex_int32_t yy_meta[36] =
440 { 0,
441 1, 1, 1, 1, 2, 1, 2, 2, 2, 3,
442 4, 4, 4, 5, 6, 7, 7, 1, 1, 6,
443 6, 6, 6, 7, 7, 7, 7, 7, 7, 7,
444 7, 7, 7, 8, 1
445 } ;
447 static yyconst flex_int16_t yy_base[107] =
448 { 0,
449 0, 0, 32, 0, 53, 0, 76, 0, 108, 111,
450 280, 288, 37, 39, 33, 36, 106, 0, 123, 146,
451 255, 251, 45, 0, 159, 288, 0, 53, 108, 172,
452 114, 127, 158, 288, 245, 0, 0, 234, 235, 236,
453 197, 195, 199, 0, 0, 288, 0, 288, 160, 288,
454 183, 288, 0, 0, 183, 182, 0, 0, 0, 0,
455 204, 189, 207, 288, 179, 187, 180, 194, 0, 171,
456 288, 196, 178, 174, 288, 169, 169, 177, 165, 153,
457 143, 155, 137, 118, 288, 122, 42, 288, 36, 36,
458 40, 288, 288, 212, 218, 223, 229, 234, 239, 245,
460 251, 255, 262, 270, 275, 280
461 } ;
463 static yyconst flex_int16_t yy_def[107] =
464 { 0,
465 93, 1, 1, 3, 3, 5, 93, 7, 3, 3,
466 93, 93, 93, 93, 94, 95, 93, 96, 93, 19,
467 19, 20, 97, 98, 20, 93, 99, 100, 95, 93,
468 93, 93, 94, 93, 94, 101, 102, 93, 103, 104,
469 93, 93, 93, 96, 19, 93, 20, 93, 97, 93,
470 97, 93, 20, 99, 100, 93, 105, 101, 102, 106,
471 103, 103, 104, 93, 93, 93, 93, 94, 105, 106,
472 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
473 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
474 93, 93, 0, 93, 93, 93, 93, 93, 93, 93,
476 93, 93, 93, 93, 93, 93
477 } ;
479 static yyconst flex_int16_t yy_nxt[324] =
480 { 0,
481 12, 13, 14, 15, 12, 16, 12, 12, 12, 17,
482 18, 18, 18, 12, 19, 20, 20, 12, 12, 21,
483 19, 21, 19, 22, 20, 20, 20, 20, 20, 20,
484 20, 20, 20, 12, 12, 23, 34, 12, 32, 32,
485 32, 32, 12, 12, 12, 36, 20, 33, 50, 92,
486 35, 20, 20, 20, 20, 20, 15, 54, 91, 54,
487 54, 54, 51, 24, 24, 24, 46, 25, 90, 38,
488 89, 26, 25, 25, 25, 25, 12, 13, 14, 15,
489 27, 12, 27, 27, 27, 17, 27, 27, 27, 12,
490 28, 28, 28, 12, 12, 28, 28, 28, 28, 28,
492 28, 28, 28, 28, 28, 28, 28, 28, 28, 12,
493 12, 15, 39, 29, 15, 40, 29, 93, 30, 31,
494 31, 30, 31, 31, 56, 56, 56, 41, 32, 32,
495 42, 88, 43, 45, 45, 45, 46, 45, 47, 47,
496 87, 38, 45, 45, 45, 45, 47, 47, 47, 47,
497 47, 47, 47, 47, 47, 47, 47, 47, 47, 86,
498 47, 34, 33, 50, 85, 47, 47, 47, 47, 53,
499 53, 53, 84, 53, 83, 35, 82, 51, 53, 53,
500 53, 53, 56, 56, 56, 93, 68, 54, 57, 54,
501 54, 54, 56, 56, 56, 62, 46, 34, 71, 81,
503 80, 79, 78, 77, 76, 75, 74, 73, 72, 64,
504 62, 35, 33, 33, 33, 33, 33, 33, 33, 33,
505 37, 67, 66, 37, 37, 37, 44, 65, 44, 49,
506 49, 49, 49, 49, 49, 49, 49, 52, 64, 52,
507 54, 62, 54, 60, 54, 54, 55, 93, 55, 55,
508 55, 55, 58, 58, 58, 48, 58, 58, 59, 48,
509 59, 59, 61, 61, 61, 61, 61, 61, 61, 61,
510 63, 63, 63, 63, 63, 63, 63, 63, 69, 93,
511 69, 70, 70, 70, 93, 70, 70, 11, 93, 93,
512 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
514 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
515 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
516 93, 93, 93
517 } ;
519 static yyconst flex_int16_t yy_chk[324] =
520 { 0,
521 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
522 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
523 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,
524 1, 1, 1, 1, 1, 3, 15, 3, 13, 13,
525 14, 14, 3, 3, 3, 16, 3, 23, 23, 91,
526 15, 3, 3, 3, 3, 3, 5, 28, 90, 28,
527 28, 28, 23, 5, 5, 5, 28, 5, 89, 16,
528 87, 5, 5, 5, 5, 5, 7, 7, 7, 7,
529 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
530 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
532 7, 7, 7, 7, 7, 7, 7, 7, 7, 7,
533 7, 9, 17, 9, 10, 17, 10, 29, 9, 9,
534 9, 10, 10, 10, 31, 31, 31, 17, 32, 32,
535 17, 86, 17, 19, 19, 19, 19, 19, 19, 19,
536 84, 29, 19, 19, 19, 19, 19, 19, 19, 19,
537 19, 19, 19, 19, 19, 19, 20, 20, 20, 83,
538 20, 33, 49, 49, 82, 20, 20, 20, 20, 25,
539 25, 25, 81, 25, 80, 33, 79, 49, 25, 25,
540 25, 25, 30, 30, 30, 51, 51, 55, 30, 55,
541 55, 55, 56, 56, 56, 62, 55, 68, 62, 78,
543 77, 76, 74, 73, 72, 70, 67, 66, 65, 63,
544 61, 68, 94, 94, 94, 94, 94, 94, 94, 94,
545 95, 43, 42, 95, 95, 95, 96, 41, 96, 97,
546 97, 97, 97, 97, 97, 97, 97, 98, 40, 98,
547 99, 39, 99, 38, 99, 99, 100, 35, 100, 100,
548 100, 100, 101, 101, 101, 22, 101, 101, 102, 21,
549 102, 102, 103, 103, 103, 103, 103, 103, 103, 103,
550 104, 104, 104, 104, 104, 104, 104, 104, 105, 11,
551 105, 106, 106, 106, 0, 106, 106, 93, 93, 93,
552 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
554 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
555 93, 93, 93, 93, 93, 93, 93, 93, 93, 93,
556 93, 93, 93
557 } ;
559 /* Table of booleans, true if rule could match eol. */
560 static yyconst flex_int32_t yy_rule_can_match_eol[21] =
561 { 0,
562 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1, 1, 0,
563 0, };
565 static yy_state_type yy_last_accepting_state;
566 static char *yy_last_accepting_cpos;
568 extern int yy_flex_debug;
569 int yy_flex_debug = 0;
571 /* The intent behind this definition is that it'll catch
572 * any uses of REJECT which flex missed.
573 */
574 #define REJECT reject_used_but_not_detected
575 #define yymore() yymore_used_but_not_detected
576 #define YY_MORE_ADJ 0
577 #define YY_RESTORE_YY_MORE_OFFSET
578 char *yytext;
579 #line 1 "dtc-lexer.l"
580 /*
581 * (C) Copyright David Gibson <dwg@au1.ibm.com>, IBM Corporation. 2005.
582 *
583 *
584 * This program is free software; you can redistribute it and/or
585 * modify it under the terms of the GNU General Public License as
586 * published by the Free Software Foundation; either version 2 of the
587 * License, or (at your option) any later version.
588 *
589 * This program is distributed in the hope that it will be useful,
590 * but WITHOUT ANY WARRANTY; without even the implied warranty of
591 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
592 * General Public License for more details.
593 *
594 * You should have received a copy of the GNU General Public License
595 * along with this program; if not, write to the Free Software
596 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307
597 * USA
598 */
603 #line 33 "dtc-lexer.l"
604 #include "dtc.h"
605 #include "srcpos.h"
606 #include "dtc-parser.tab.h"
609 /*#define LEXDEBUG 1*/
611 #ifdef LEXDEBUG
612 #define DPRINT(fmt, ...) fprintf(stderr, fmt, ##__VA_ARGS__)
613 #else
614 #define DPRINT(fmt, ...) do { } while (0)
615 #endif
617 static int dts_version; /* = 0 */
619 #define BEGIN_DEFAULT() if (dts_version == 0) { \
620 DPRINT("<INITIAL>\n"); \
621 BEGIN(INITIAL); \
622 } else { \
623 DPRINT("<V1>\n"); \
624 BEGIN(V1); \
625 }
626 #line 627 "dtc-lexer.lex.c"
628 #define INITIAL 0
629 #define INCLUDE 1
630 #define BYTESTRING 2
631 #define PROPNODENAME 3
632 #define V1 4
634 #ifndef YY_NO_UNISTD_H
635 /* Special case for "unistd.h", since it is non-ANSI. We include it way
636 * down here because we want the user's section 1 to have been scanned first.
637 * The user has a chance to override it with an option.
638 */
639 #include <unistd.h>
640 #endif
642 #ifndef YY_EXTRA_TYPE
643 #define YY_EXTRA_TYPE void *
644 #endif
646 static int yy_init_globals (void );
648 /* Macros after this point can all be overridden by user definitions in
649 * section 1.
650 */
652 #ifndef YY_SKIP_YYWRAP
653 #ifdef __cplusplus
654 extern "C" int yywrap (void );
655 #else
656 extern int yywrap (void );
657 #endif
658 #endif
660 #ifndef yytext_ptr
661 static void yy_flex_strncpy (char *,yyconst char *,int );
662 #endif
664 #ifdef YY_NEED_STRLEN
665 static int yy_flex_strlen (yyconst char * );
666 #endif
668 #ifndef YY_NO_INPUT
670 #ifdef __cplusplus
671 static int yyinput (void );
672 #else
673 static int input (void );
674 #endif
676 #endif
678 /* Amount of stuff to slurp up with each read. */
679 #ifndef YY_READ_BUF_SIZE
680 #define YY_READ_BUF_SIZE 8192
681 #endif
683 /* Copy whatever the last rule matched to the standard output. */
684 #ifndef ECHO
685 /* This used to be an fputs(), but since the string might contain NUL's,
686 * we now use fwrite().
687 */
688 #define ECHO (void) fwrite( yytext, yyleng, 1, yyout )
689 #endif
691 /* Gets input and stuffs it into "buf". number of characters read, or YY_NULL,
692 * is returned in "result".
693 */
694 #ifndef YY_INPUT
695 #define YY_INPUT(buf,result,max_size) \
696 if ( YY_CURRENT_BUFFER_LVALUE->yy_is_interactive ) \
697 { \
698 int c = '*'; \
699 size_t n; \
700 for ( n = 0; n < max_size && \
701 (c = getc( yyin )) != EOF && c != '\n'; ++n ) \
702 buf[n] = (char) c; \
703 if ( c == '\n' ) \
704 buf[n++] = (char) c; \
705 if ( c == EOF && ferror( yyin ) ) \
706 YY_FATAL_ERROR( "input in flex scanner failed" ); \
707 result = n; \
708 } \
709 else \
710 { \
711 errno=0; \
712 while ( (result = fread(buf, 1, max_size, yyin))==0 && ferror(yyin)) \
713 { \
714 if( errno != EINTR) \
715 { \
716 YY_FATAL_ERROR( "input in flex scanner failed" ); \
717 break; \
718 } \
719 errno=0; \
720 clearerr(yyin); \
721 } \
722 }\
723 \
725 #endif
727 /* No semi-colon after return; correct usage is to write "yyterminate();" -
728 * we don't want an extra ';' after the "return" because that will cause
729 * some compilers to complain about unreachable statements.
730 */
731 #ifndef yyterminate
732 #define yyterminate() return YY_NULL
733 #endif
735 /* Number of entries by which start-condition stack grows. */
736 #ifndef YY_START_STACK_INCR
737 #define YY_START_STACK_INCR 25
738 #endif
740 /* Report a fatal error. */
741 #ifndef YY_FATAL_ERROR
742 #define YY_FATAL_ERROR(msg) yy_fatal_error( msg )
743 #endif
745 /* end tables serialization structures and prototypes */
747 /* Default declaration of generated scanner - a define so the user can
748 * easily add parameters.
749 */
750 #ifndef YY_DECL
751 #define YY_DECL_IS_OURS 1
753 extern int yylex (void);
755 #define YY_DECL int yylex (void)
756 #endif /* !YY_DECL */
758 /* Code executed at the beginning of each rule, after yytext and yyleng
759 * have been set up.
760 */
761 #ifndef YY_USER_ACTION
762 #define YY_USER_ACTION
763 #endif
765 /* Code executed at the end of each rule. */
766 #ifndef YY_BREAK
767 #define YY_BREAK break;
768 #endif
770 #define YY_RULE_SETUP \
771 YY_USER_ACTION
773 /** The main scanner function which does all the work.
774 */
775 YY_DECL
776 {
777 register yy_state_type yy_current_state;
778 register char *yy_cp, *yy_bp;
779 register int yy_act;
781 #line 57 "dtc-lexer.l"
783 #line 784 "dtc-lexer.lex.c"
785 if ( !(yy_init) )
786 {
787 (yy_init) = 1;
789 #ifdef YY_USER_INIT
790 YY_USER_INIT;
791 #endif
793 if ( ! (yy_start) )
794 (yy_start) = 1; /* first start state */
796 if ( ! yyin )
797 yyin = stdin;
799 if ( ! yyout )
800 yyout = stdout;
802 if ( ! YY_CURRENT_BUFFER ) {
803 yyensure_buffer_stack ();
804 YY_CURRENT_BUFFER_LVALUE =
805 yy_create_buffer(yyin,YY_BUF_SIZE );
806 }
808 yy_load_buffer_state( );
809 }
811 while ( 1 ) /* loops until end-of-file is reached */
812 {
813 yy_cp = (yy_c_buf_p);
815 /* Support of yytext. */
816 *yy_cp = (yy_hold_char);
818 /* yy_bp points to the position in yy_ch_buf of the start of
819 * the current run.
820 */
821 yy_bp = yy_cp;
823 yy_current_state = (yy_start);
824 yy_match:
825 do
826 {
827 register YY_CHAR yy_c = yy_ec[YY_SC_TO_UI(*yy_cp)];
828 if ( yy_accept[yy_current_state] )
829 {
830 (yy_last_accepting_state) = yy_current_state;
831 (yy_last_accepting_cpos) = yy_cp;
832 }
833 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
834 {
835 yy_current_state = (int) yy_def[yy_current_state];
836 if ( yy_current_state >= 94 )
837 yy_c = yy_meta[(unsigned int) yy_c];
838 }
839 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
840 ++yy_cp;
841 }
842 while ( yy_base[yy_current_state] != 288 );
844 yy_find_action:
845 yy_act = yy_accept[yy_current_state];
846 if ( yy_act == 0 )
847 { /* have to back up */
848 yy_cp = (yy_last_accepting_cpos);
849 yy_current_state = (yy_last_accepting_state);
850 yy_act = yy_accept[yy_current_state];
851 }
853 YY_DO_BEFORE_ACTION;
855 if ( yy_act != YY_END_OF_BUFFER && yy_rule_can_match_eol[yy_act] )
856 {
857 int yyl;
858 for ( yyl = 0; yyl < yyleng; ++yyl )
859 if ( yytext[yyl] == '\n' )
861 yylineno++;
862 ;
863 }
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 YY_RULE_SETUP
878 #line 58 "dtc-lexer.l"
879 BEGIN(INCLUDE);
880 YY_BREAK
881 case 2:
882 YY_RULE_SETUP
883 #line 60 "dtc-lexer.l"
884 {
885 yytext[strlen(yytext) - 1] = 0;
886 if (!push_input_file(yytext + 1)) {
887 /* Some unrecoverable error.*/
888 exit(1);
889 }
890 BEGIN_DEFAULT();
891 }
892 YY_BREAK
893 case YY_STATE_EOF(INITIAL):
894 case YY_STATE_EOF(INCLUDE):
895 case YY_STATE_EOF(BYTESTRING):
896 case YY_STATE_EOF(PROPNODENAME):
897 case YY_STATE_EOF(V1):
898 #line 70 "dtc-lexer.l"
899 {
900 if (!pop_input_file()) {
901 yyterminate();
902 }
903 }
904 YY_BREAK
905 case 3:
906 /* rule 3 can match eol */
907 YY_RULE_SETUP
908 #line 76 "dtc-lexer.l"
909 {
910 yylloc.filenum = srcpos_filenum;
911 yylloc.first_line = yylineno;
912 DPRINT("String: %s\n", yytext);
913 yylval.data = data_copy_escape_string(yytext+1,
914 yyleng-2);
915 yylloc.first_line = yylineno;
916 return DT_STRING;
917 }
918 YY_BREAK
919 case 4:
920 YY_RULE_SETUP
921 #line 86 "dtc-lexer.l"
922 {
923 yylloc.filenum = srcpos_filenum;
924 yylloc.first_line = yylineno;
925 DPRINT("Keyword: /dts-v1/\n");
926 dts_version = 1;
927 BEGIN_DEFAULT();
928 return DT_V1;
929 }
930 YY_BREAK
931 case 5:
932 YY_RULE_SETUP
933 #line 95 "dtc-lexer.l"
934 {
935 yylloc.filenum = srcpos_filenum;
936 yylloc.first_line = yylineno;
937 DPRINT("Keyword: /memreserve/\n");
938 BEGIN_DEFAULT();
939 return DT_MEMRESERVE;
940 }
941 YY_BREAK
942 case 6:
943 YY_RULE_SETUP
944 #line 103 "dtc-lexer.l"
945 {
946 yylloc.filenum = srcpos_filenum;
947 yylloc.first_line = yylineno;
948 DPRINT("Label: %s\n", yytext);
949 yylval.labelref = strdup(yytext);
950 yylval.labelref[yyleng-1] = '\0';
951 return DT_LABEL;
952 }
953 YY_BREAK
954 case 7:
955 YY_RULE_SETUP
956 #line 112 "dtc-lexer.l"
957 {
958 yylloc.filenum = srcpos_filenum;
959 yylloc.first_line = yylineno;
960 if (*yytext == 'b')
961 yylval.cbase = 2;
962 else if (*yytext == 'o')
963 yylval.cbase = 8;
964 else if (*yytext == 'd')
965 yylval.cbase = 10;
966 else
967 yylval.cbase = 16;
968 DPRINT("Base: %d\n", yylval.cbase);
969 return DT_BASE;
970 }
971 YY_BREAK
972 case 8:
973 YY_RULE_SETUP
974 #line 127 "dtc-lexer.l"
975 {
976 yylloc.filenum = srcpos_filenum;
977 yylloc.first_line = yylineno;
978 yylval.literal = strdup(yytext);
979 DPRINT("Literal: '%s'\n", yylval.literal);
980 return DT_LEGACYLITERAL;
981 }
982 YY_BREAK
983 case 9:
984 YY_RULE_SETUP
985 #line 135 "dtc-lexer.l"
986 {
987 yylloc.filenum = srcpos_filenum;
988 yylloc.first_line = yylineno;
989 yylval.literal = strdup(yytext);
990 DPRINT("Literal: '%s'\n", yylval.literal);
991 return DT_LITERAL;
992 }
993 YY_BREAK
994 case 10:
995 YY_RULE_SETUP
996 #line 143 "dtc-lexer.l"
997 { /* label reference */
998 yylloc.filenum = srcpos_filenum;
999 yylloc.first_line = yylineno;
1000 DPRINT("Ref: %s\n", yytext+1);
1001 yylval.labelref = strdup(yytext+1);
1002 return DT_REF;
1003 }
1004 YY_BREAK
1005 case 11:
1006 YY_RULE_SETUP
1007 #line 151 "dtc-lexer.l"
1008 { /* new-style path reference */
1009 yylloc.filenum = srcpos_filenum;
1010 yylloc.first_line = yylineno;
1011 yytext[yyleng-1] = '\0';
1012 DPRINT("Ref: %s\n", yytext+2);
1013 yylval.labelref = strdup(yytext+2);
1014 return DT_REF;
1015 }
1016 YY_BREAK
1017 case 12:
1018 YY_RULE_SETUP
1019 #line 160 "dtc-lexer.l"
1020 { /* old-style path reference */
1021 yylloc.filenum = srcpos_filenum;
1022 yylloc.first_line = yylineno;
1023 DPRINT("Ref: %s\n", yytext+1);
1024 yylval.labelref = strdup(yytext+1);
1025 return DT_REF;
1026 }
1027 YY_BREAK
1028 case 13:
1029 YY_RULE_SETUP
1030 #line 168 "dtc-lexer.l"
1031 {
1032 yylloc.filenum = srcpos_filenum;
1033 yylloc.first_line = yylineno;
1034 yylval.byte = strtol(yytext, NULL, 16);
1035 DPRINT("Byte: %02x\n", (int)yylval.byte);
1036 return DT_BYTE;
1037 }
1038 YY_BREAK
1039 case 14:
1040 YY_RULE_SETUP
1041 #line 176 "dtc-lexer.l"
1042 {
1043 yylloc.filenum = srcpos_filenum;
1044 yylloc.first_line = yylineno;
1045 DPRINT("/BYTESTRING\n");
1046 BEGIN_DEFAULT();
1047 return ']';
1048 }
1049 YY_BREAK
1050 case 15:
1051 YY_RULE_SETUP
1052 #line 184 "dtc-lexer.l"
1053 {
1054 yylloc.filenum = srcpos_filenum;
1055 yylloc.first_line = yylineno;
1056 DPRINT("PropNodeName: %s\n", yytext);
1057 yylval.propnodename = strdup(yytext);
1058 BEGIN_DEFAULT();
1059 return DT_PROPNODENAME;
1060 }
1061 YY_BREAK
1062 case 16:
1063 /* rule 16 can match eol */
1064 YY_RULE_SETUP
1065 #line 194 "dtc-lexer.l"
1066 /* eat whitespace */
1067 YY_BREAK
1068 case 17:
1069 /* rule 17 can match eol */
1070 YY_RULE_SETUP
1071 #line 196 "dtc-lexer.l"
1072 {
1073 yylloc.filenum = srcpos_filenum;
1074 yylloc.first_line = yylineno;
1075 DPRINT("Comment: %s\n", yytext);
1076 /* eat comments */
1077 }
1078 YY_BREAK
1079 case 18:
1080 /* rule 18 can match eol */
1081 YY_RULE_SETUP
1082 #line 203 "dtc-lexer.l"
1083 /* eat line comments */
1084 YY_BREAK
1085 case 19:
1086 YY_RULE_SETUP
1087 #line 205 "dtc-lexer.l"
1088 {
1089 yylloc.filenum = srcpos_filenum;
1090 yylloc.first_line = yylineno;
1091 DPRINT("Char: %c (\\x%02x)\n", yytext[0],
1092 (unsigned)yytext[0]);
1093 if (yytext[0] == '[') {
1094 DPRINT("<BYTESTRING>\n");
1095 BEGIN(BYTESTRING);
1096 }
1097 if ((yytext[0] == '{')
1098 || (yytext[0] == ';')) {
1099 DPRINT("<PROPNODENAME>\n");
1100 BEGIN(PROPNODENAME);
1101 }
1102 return yytext[0];
1103 }
1104 YY_BREAK
1105 case 20:
1106 YY_RULE_SETUP
1107 #line 222 "dtc-lexer.l"
1108 ECHO;
1109 YY_BREAK
1110 #line 1111 "dtc-lexer.lex.c"
1112 case YY_END_OF_BUFFER:
1113 {
1114 /* Amount of text matched not including the EOB char. */
1115 int yy_amount_of_matched_text = (int) (yy_cp - (yytext_ptr)) - 1;
1117 /* Undo the effects of YY_DO_BEFORE_ACTION. */
1118 *yy_cp = (yy_hold_char);
1119 YY_RESTORE_YY_MORE_OFFSET
1121 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_NEW )
1122 {
1123 /* We're scanning a new file or input source. It's
1124 * possible that this happened because the user
1125 * just pointed yyin at a new source and called
1126 * yylex(). If so, then we have to assure
1127 * consistency between YY_CURRENT_BUFFER and our
1128 * globals. Here is the right place to do so, because
1129 * this is the first action (other than possibly a
1130 * back-up) that will match for the new input source.
1131 */
1132 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1133 YY_CURRENT_BUFFER_LVALUE->yy_input_file = yyin;
1134 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status = YY_BUFFER_NORMAL;
1135 }
1137 /* Note that here we test for yy_c_buf_p "<=" to the position
1138 * of the first EOB in the buffer, since yy_c_buf_p will
1139 * already have been incremented past the NUL character
1140 * (since all states make transitions on EOB to the
1141 * end-of-buffer state). Contrast this with the test
1142 * in input().
1143 */
1144 if ( (yy_c_buf_p) <= &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1145 { /* This was really a NUL. */
1146 yy_state_type yy_next_state;
1148 (yy_c_buf_p) = (yytext_ptr) + yy_amount_of_matched_text;
1150 yy_current_state = yy_get_previous_state( );
1152 /* Okay, we're now positioned to make the NUL
1153 * transition. We couldn't have
1154 * yy_get_previous_state() go ahead and do it
1155 * for us because it doesn't know how to deal
1156 * with the possibility of jamming (and we don't
1157 * want to build jamming into it because then it
1158 * will run more slowly).
1159 */
1161 yy_next_state = yy_try_NUL_trans( yy_current_state );
1163 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1165 if ( yy_next_state )
1166 {
1167 /* Consume the NUL. */
1168 yy_cp = ++(yy_c_buf_p);
1169 yy_current_state = yy_next_state;
1170 goto yy_match;
1171 }
1173 else
1174 {
1175 yy_cp = (yy_c_buf_p);
1176 goto yy_find_action;
1177 }
1178 }
1180 else switch ( yy_get_next_buffer( ) )
1181 {
1182 case EOB_ACT_END_OF_FILE:
1183 {
1184 (yy_did_buffer_switch_on_eof) = 0;
1186 if ( yywrap( ) )
1187 {
1188 /* Note: because we've taken care in
1189 * yy_get_next_buffer() to have set up
1190 * yytext, we can now set up
1191 * yy_c_buf_p so that if some total
1192 * hoser (like flex itself) wants to
1193 * call the scanner after we return the
1194 * YY_NULL, it'll still work - another
1195 * YY_NULL will get returned.
1196 */
1197 (yy_c_buf_p) = (yytext_ptr) + YY_MORE_ADJ;
1199 yy_act = YY_STATE_EOF(YY_START);
1200 goto do_action;
1201 }
1203 else
1204 {
1205 if ( ! (yy_did_buffer_switch_on_eof) )
1206 YY_NEW_FILE;
1207 }
1208 break;
1209 }
1211 case EOB_ACT_CONTINUE_SCAN:
1212 (yy_c_buf_p) =
1213 (yytext_ptr) + yy_amount_of_matched_text;
1215 yy_current_state = yy_get_previous_state( );
1217 yy_cp = (yy_c_buf_p);
1218 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1219 goto yy_match;
1221 case EOB_ACT_LAST_MATCH:
1222 (yy_c_buf_p) =
1223 &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)];
1225 yy_current_state = yy_get_previous_state( );
1227 yy_cp = (yy_c_buf_p);
1228 yy_bp = (yytext_ptr) + YY_MORE_ADJ;
1229 goto yy_find_action;
1230 }
1231 break;
1232 }
1234 default:
1235 YY_FATAL_ERROR(
1236 "fatal flex scanner internal error--no action found" );
1237 } /* end of action switch */
1238 } /* end of scanning one token */
1239 } /* end of yylex */
1241 /* yy_get_next_buffer - try to read in a new buffer
1242 *
1243 * Returns a code representing an action:
1244 * EOB_ACT_LAST_MATCH -
1245 * EOB_ACT_CONTINUE_SCAN - continue scanning from current position
1246 * EOB_ACT_END_OF_FILE - end of file
1247 */
1248 static int yy_get_next_buffer (void)
1249 {
1250 register char *dest = YY_CURRENT_BUFFER_LVALUE->yy_ch_buf;
1251 register char *source = (yytext_ptr);
1252 register int number_to_move, i;
1253 int ret_val;
1255 if ( (yy_c_buf_p) > &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] )
1256 YY_FATAL_ERROR(
1257 "fatal flex scanner internal error--end of buffer missed" );
1259 if ( YY_CURRENT_BUFFER_LVALUE->yy_fill_buffer == 0 )
1260 { /* Don't try to fill the buffer, so this is an EOF. */
1261 if ( (yy_c_buf_p) - (yytext_ptr) - YY_MORE_ADJ == 1 )
1262 {
1263 /* We matched a single character, the EOB, so
1264 * treat this as a final EOF.
1265 */
1266 return EOB_ACT_END_OF_FILE;
1267 }
1269 else
1270 {
1271 /* We matched some text prior to the EOB, first
1272 * process it.
1273 */
1274 return EOB_ACT_LAST_MATCH;
1275 }
1276 }
1278 /* Try to read more data. */
1280 /* First move last chars to start of buffer. */
1281 number_to_move = (int) ((yy_c_buf_p) - (yytext_ptr)) - 1;
1283 for ( i = 0; i < number_to_move; ++i )
1284 *(dest++) = *(source++);
1286 if ( YY_CURRENT_BUFFER_LVALUE->yy_buffer_status == YY_BUFFER_EOF_PENDING )
1287 /* don't do the read, it's not guaranteed to return an EOF,
1288 * just force an EOF
1289 */
1290 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars) = 0;
1292 else
1293 {
1294 int num_to_read =
1295 YY_CURRENT_BUFFER_LVALUE->yy_buf_size - number_to_move - 1;
1297 while ( num_to_read <= 0 )
1298 { /* Not enough room in the buffer - grow it. */
1300 /* just a shorter name for the current buffer */
1301 YY_BUFFER_STATE b = YY_CURRENT_BUFFER;
1303 int yy_c_buf_p_offset =
1304 (int) ((yy_c_buf_p) - b->yy_ch_buf);
1306 if ( b->yy_is_our_buffer )
1307 {
1308 int new_size = b->yy_buf_size * 2;
1310 if ( new_size <= 0 )
1311 b->yy_buf_size += b->yy_buf_size / 8;
1312 else
1313 b->yy_buf_size *= 2;
1315 b->yy_ch_buf = (char *)
1316 /* Include room in for 2 EOB chars. */
1317 yyrealloc((void *) b->yy_ch_buf,b->yy_buf_size + 2 );
1318 }
1319 else
1320 /* Can't grow it, we don't own it. */
1321 b->yy_ch_buf = 0;
1323 if ( ! b->yy_ch_buf )
1324 YY_FATAL_ERROR(
1325 "fatal error - scanner input buffer overflow" );
1327 (yy_c_buf_p) = &b->yy_ch_buf[yy_c_buf_p_offset];
1329 num_to_read = YY_CURRENT_BUFFER_LVALUE->yy_buf_size -
1330 number_to_move - 1;
1332 }
1334 if ( num_to_read > YY_READ_BUF_SIZE )
1335 num_to_read = YY_READ_BUF_SIZE;
1337 /* Read in more data. */
1338 YY_INPUT( (&YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[number_to_move]),
1339 (yy_n_chars), (size_t) num_to_read );
1341 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1342 }
1344 if ( (yy_n_chars) == 0 )
1345 {
1346 if ( number_to_move == YY_MORE_ADJ )
1347 {
1348 ret_val = EOB_ACT_END_OF_FILE;
1349 yyrestart(yyin );
1350 }
1352 else
1353 {
1354 ret_val = EOB_ACT_LAST_MATCH;
1355 YY_CURRENT_BUFFER_LVALUE->yy_buffer_status =
1356 YY_BUFFER_EOF_PENDING;
1357 }
1358 }
1360 else
1361 ret_val = EOB_ACT_CONTINUE_SCAN;
1363 (yy_n_chars) += number_to_move;
1364 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] = YY_END_OF_BUFFER_CHAR;
1365 YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars) + 1] = YY_END_OF_BUFFER_CHAR;
1367 (yytext_ptr) = &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[0];
1369 return ret_val;
1370 }
1372 /* yy_get_previous_state - get the state just before the EOB char was reached */
1374 static yy_state_type yy_get_previous_state (void)
1375 {
1376 register yy_state_type yy_current_state;
1377 register char *yy_cp;
1379 yy_current_state = (yy_start);
1381 for ( yy_cp = (yytext_ptr) + YY_MORE_ADJ; yy_cp < (yy_c_buf_p); ++yy_cp )
1382 {
1383 register YY_CHAR yy_c = (*yy_cp ? yy_ec[YY_SC_TO_UI(*yy_cp)] : 1);
1384 if ( yy_accept[yy_current_state] )
1385 {
1386 (yy_last_accepting_state) = yy_current_state;
1387 (yy_last_accepting_cpos) = yy_cp;
1388 }
1389 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1390 {
1391 yy_current_state = (int) yy_def[yy_current_state];
1392 if ( yy_current_state >= 94 )
1393 yy_c = yy_meta[(unsigned int) yy_c];
1394 }
1395 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1396 }
1398 return yy_current_state;
1399 }
1401 /* yy_try_NUL_trans - try to make a transition on the NUL character
1402 *
1403 * synopsis
1404 * next_state = yy_try_NUL_trans( current_state );
1405 */
1406 static yy_state_type yy_try_NUL_trans (yy_state_type yy_current_state )
1407 {
1408 register int yy_is_jam;
1409 register char *yy_cp = (yy_c_buf_p);
1411 register YY_CHAR yy_c = 1;
1412 if ( yy_accept[yy_current_state] )
1413 {
1414 (yy_last_accepting_state) = yy_current_state;
1415 (yy_last_accepting_cpos) = yy_cp;
1416 }
1417 while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state )
1418 {
1419 yy_current_state = (int) yy_def[yy_current_state];
1420 if ( yy_current_state >= 94 )
1421 yy_c = yy_meta[(unsigned int) yy_c];
1422 }
1423 yy_current_state = yy_nxt[yy_base[yy_current_state] + (unsigned int) yy_c];
1424 yy_is_jam = (yy_current_state == 93);
1426 return yy_is_jam ? 0 : yy_current_state;
1427 }
1429 #ifndef YY_NO_INPUT
1430 #ifdef __cplusplus
1431 static int yyinput (void)
1432 #else
1433 static int input (void)
1434 #endif
1436 {
1437 int c;
1439 *(yy_c_buf_p) = (yy_hold_char);
1441 if ( *(yy_c_buf_p) == YY_END_OF_BUFFER_CHAR )
1442 {
1443 /* yy_c_buf_p now points to the character we want to return.
1444 * If this occurs *before* the EOB characters, then it's a
1445 * valid NUL; if not, then we've hit the end of the buffer.
1446 */
1447 if ( (yy_c_buf_p) < &YY_CURRENT_BUFFER_LVALUE->yy_ch_buf[(yy_n_chars)] )
1448 /* This was really a NUL. */
1449 *(yy_c_buf_p) = '\0';
1451 else
1452 { /* need more input */
1453 int offset = (yy_c_buf_p) - (yytext_ptr);
1454 ++(yy_c_buf_p);
1456 switch ( yy_get_next_buffer( ) )
1457 {
1458 case EOB_ACT_LAST_MATCH:
1459 /* This happens because yy_g_n_b()
1460 * sees that we've accumulated a
1461 * token and flags that we need to
1462 * try matching the token before
1463 * proceeding. But for input(),
1464 * there's no matching to consider.
1465 * So convert the EOB_ACT_LAST_MATCH
1466 * to EOB_ACT_END_OF_FILE.
1467 */
1469 /* Reset buffer status. */
1470 yyrestart(yyin );
1472 /*FALLTHROUGH*/
1474 case EOB_ACT_END_OF_FILE:
1475 {
1476 if ( yywrap( ) )
1477 return EOF;
1479 if ( ! (yy_did_buffer_switch_on_eof) )
1480 YY_NEW_FILE;
1481 #ifdef __cplusplus
1482 return yyinput();
1483 #else
1484 return input();
1485 #endif
1486 }
1488 case EOB_ACT_CONTINUE_SCAN:
1489 (yy_c_buf_p) = (yytext_ptr) + offset;
1490 break;
1491 }
1492 }
1493 }
1495 c = *(unsigned char *) (yy_c_buf_p); /* cast for 8-bit char's */
1496 *(yy_c_buf_p) = '\0'; /* preserve yytext */
1497 (yy_hold_char) = *++(yy_c_buf_p);
1499 if ( c == '\n' )
1501 yylineno++;
1502 ;
1504 return c;
1505 }
1506 #endif /* ifndef YY_NO_INPUT */
1508 /** Immediately switch to a different input stream.
1509 * @param input_file A readable stream.
1510 *
1511 * @note This function does not reset the start condition to @c INITIAL .
1512 */
1513 void yyrestart (FILE * input_file )
1514 {
1516 if ( ! YY_CURRENT_BUFFER ){
1517 yyensure_buffer_stack ();
1518 YY_CURRENT_BUFFER_LVALUE =
1519 yy_create_buffer(yyin,YY_BUF_SIZE );
1520 }
1522 yy_init_buffer(YY_CURRENT_BUFFER,input_file );
1523 yy_load_buffer_state( );
1524 }
1526 /** Switch to a different input buffer.
1527 * @param new_buffer The new input buffer.
1528 *
1529 */
1530 void yy_switch_to_buffer (YY_BUFFER_STATE new_buffer )
1531 {
1533 /* TODO. We should be able to replace this entire function body
1534 * with
1535 * yypop_buffer_state();
1536 * yypush_buffer_state(new_buffer);
1537 */
1538 yyensure_buffer_stack ();
1539 if ( YY_CURRENT_BUFFER == new_buffer )
1540 return;
1542 if ( YY_CURRENT_BUFFER )
1543 {
1544 /* Flush out information for old buffer. */
1545 *(yy_c_buf_p) = (yy_hold_char);
1546 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1547 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1548 }
1550 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1551 yy_load_buffer_state( );
1553 /* We don't actually know whether we did this switch during
1554 * EOF (yywrap()) processing, but the only time this flag
1555 * is looked at is after yywrap() is called, so it's safe
1556 * to go ahead and always set it.
1557 */
1558 (yy_did_buffer_switch_on_eof) = 1;
1559 }
1561 static void yy_load_buffer_state (void)
1562 {
1563 (yy_n_chars) = YY_CURRENT_BUFFER_LVALUE->yy_n_chars;
1564 (yytext_ptr) = (yy_c_buf_p) = YY_CURRENT_BUFFER_LVALUE->yy_buf_pos;
1565 yyin = YY_CURRENT_BUFFER_LVALUE->yy_input_file;
1566 (yy_hold_char) = *(yy_c_buf_p);
1567 }
1569 /** Allocate and initialize an input buffer state.
1570 * @param file A readable stream.
1571 * @param size The character buffer size in bytes. When in doubt, use @c YY_BUF_SIZE.
1572 *
1573 * @return the allocated buffer state.
1574 */
1575 YY_BUFFER_STATE yy_create_buffer (FILE * file, int size )
1576 {
1577 YY_BUFFER_STATE b;
1579 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1580 if ( ! b )
1581 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1583 b->yy_buf_size = size;
1585 /* yy_ch_buf has to be 2 characters longer than the size given because
1586 * we need to put in 2 end-of-buffer characters.
1587 */
1588 b->yy_ch_buf = (char *) yyalloc(b->yy_buf_size + 2 );
1589 if ( ! b->yy_ch_buf )
1590 YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" );
1592 b->yy_is_our_buffer = 1;
1594 yy_init_buffer(b,file );
1596 return b;
1597 }
1599 /** Destroy the buffer.
1600 * @param b a buffer created with yy_create_buffer()
1601 *
1602 */
1603 void yy_delete_buffer (YY_BUFFER_STATE b )
1604 {
1606 if ( ! b )
1607 return;
1609 if ( b == YY_CURRENT_BUFFER ) /* Not sure if we should pop here. */
1610 YY_CURRENT_BUFFER_LVALUE = (YY_BUFFER_STATE) 0;
1612 if ( b->yy_is_our_buffer )
1613 yyfree((void *) b->yy_ch_buf );
1615 yyfree((void *) b );
1616 }
1618 #ifndef __cplusplus
1619 extern int isatty (int );
1620 #endif /* __cplusplus */
1622 /* Initializes or reinitializes a buffer.
1623 * This function is sometimes called more than once on the same buffer,
1624 * such as during a yyrestart() or at EOF.
1625 */
1626 static void yy_init_buffer (YY_BUFFER_STATE b, FILE * file )
1628 {
1629 int oerrno = errno;
1631 yy_flush_buffer(b );
1633 b->yy_input_file = file;
1634 b->yy_fill_buffer = 1;
1636 /* If b is the current buffer, then yy_init_buffer was _probably_
1637 * called from yyrestart() or through yy_get_next_buffer.
1638 * In that case, we don't want to reset the lineno or column.
1639 */
1640 if (b != YY_CURRENT_BUFFER){
1641 b->yy_bs_lineno = 1;
1642 b->yy_bs_column = 0;
1643 }
1645 b->yy_is_interactive = file ? (isatty( fileno(file) ) > 0) : 0;
1647 errno = oerrno;
1648 }
1650 /** Discard all buffered characters. On the next scan, YY_INPUT will be called.
1651 * @param b the buffer state to be flushed, usually @c YY_CURRENT_BUFFER.
1652 *
1653 */
1654 void yy_flush_buffer (YY_BUFFER_STATE b )
1655 {
1656 if ( ! b )
1657 return;
1659 b->yy_n_chars = 0;
1661 /* We always need two end-of-buffer characters. The first causes
1662 * a transition to the end-of-buffer state. The second causes
1663 * a jam in that state.
1664 */
1665 b->yy_ch_buf[0] = YY_END_OF_BUFFER_CHAR;
1666 b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR;
1668 b->yy_buf_pos = &b->yy_ch_buf[0];
1670 b->yy_at_bol = 1;
1671 b->yy_buffer_status = YY_BUFFER_NEW;
1673 if ( b == YY_CURRENT_BUFFER )
1674 yy_load_buffer_state( );
1675 }
1677 /** Pushes the new state onto the stack. The new state becomes
1678 * the current state. This function will allocate the stack
1679 * if necessary.
1680 * @param new_buffer The new state.
1681 *
1682 */
1683 void yypush_buffer_state (YY_BUFFER_STATE new_buffer )
1684 {
1685 if (new_buffer == NULL)
1686 return;
1688 yyensure_buffer_stack();
1690 /* This block is copied from yy_switch_to_buffer. */
1691 if ( YY_CURRENT_BUFFER )
1692 {
1693 /* Flush out information for old buffer. */
1694 *(yy_c_buf_p) = (yy_hold_char);
1695 YY_CURRENT_BUFFER_LVALUE->yy_buf_pos = (yy_c_buf_p);
1696 YY_CURRENT_BUFFER_LVALUE->yy_n_chars = (yy_n_chars);
1697 }
1699 /* Only push if top exists. Otherwise, replace top. */
1700 if (YY_CURRENT_BUFFER)
1701 (yy_buffer_stack_top)++;
1702 YY_CURRENT_BUFFER_LVALUE = new_buffer;
1704 /* copied from yy_switch_to_buffer. */
1705 yy_load_buffer_state( );
1706 (yy_did_buffer_switch_on_eof) = 1;
1707 }
1709 /** Removes and deletes the top of the stack, if present.
1710 * The next element becomes the new top.
1711 *
1712 */
1713 void yypop_buffer_state (void)
1714 {
1715 if (!YY_CURRENT_BUFFER)
1716 return;
1718 yy_delete_buffer(YY_CURRENT_BUFFER );
1719 YY_CURRENT_BUFFER_LVALUE = NULL;
1720 if ((yy_buffer_stack_top) > 0)
1721 --(yy_buffer_stack_top);
1723 if (YY_CURRENT_BUFFER) {
1724 yy_load_buffer_state( );
1725 (yy_did_buffer_switch_on_eof) = 1;
1726 }
1727 }
1729 /* Allocates the stack if it does not exist.
1730 * Guarantees space for at least one push.
1731 */
1732 static void yyensure_buffer_stack (void)
1733 {
1734 int num_to_alloc;
1736 if (!(yy_buffer_stack)) {
1738 /* First allocation is just for 2 elements, since we don't know if this
1739 * scanner will even need a stack. We use 2 instead of 1 to avoid an
1740 * immediate realloc on the next call.
1741 */
1742 num_to_alloc = 1;
1743 (yy_buffer_stack) = (struct yy_buffer_state**)yyalloc
1744 (num_to_alloc * sizeof(struct yy_buffer_state*)
1745 );
1747 memset((yy_buffer_stack), 0, num_to_alloc * sizeof(struct yy_buffer_state*));
1749 (yy_buffer_stack_max) = num_to_alloc;
1750 (yy_buffer_stack_top) = 0;
1751 return;
1752 }
1754 if ((yy_buffer_stack_top) >= ((yy_buffer_stack_max)) - 1){
1756 /* Increase the buffer to prepare for a possible push. */
1757 int grow_size = 8 /* arbitrary grow size */;
1759 num_to_alloc = (yy_buffer_stack_max) + grow_size;
1760 (yy_buffer_stack) = (struct yy_buffer_state**)yyrealloc
1761 ((yy_buffer_stack),
1762 num_to_alloc * sizeof(struct yy_buffer_state*)
1763 );
1765 /* zero only the new slots.*/
1766 memset((yy_buffer_stack) + (yy_buffer_stack_max), 0, grow_size * sizeof(struct yy_buffer_state*));
1767 (yy_buffer_stack_max) = num_to_alloc;
1768 }
1769 }
1771 /** Setup the input buffer state to scan directly from a user-specified character buffer.
1772 * @param base the character buffer
1773 * @param size the size in bytes of the character buffer
1774 *
1775 * @return the newly allocated buffer state object.
1776 */
1777 YY_BUFFER_STATE yy_scan_buffer (char * base, yy_size_t size )
1778 {
1779 YY_BUFFER_STATE b;
1781 if ( size < 2 ||
1782 base[size-2] != YY_END_OF_BUFFER_CHAR ||
1783 base[size-1] != YY_END_OF_BUFFER_CHAR )
1784 /* They forgot to leave room for the EOB's. */
1785 return 0;
1787 b = (YY_BUFFER_STATE) yyalloc(sizeof( struct yy_buffer_state ) );
1788 if ( ! b )
1789 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_buffer()" );
1791 b->yy_buf_size = size - 2; /* "- 2" to take care of EOB's */
1792 b->yy_buf_pos = b->yy_ch_buf = base;
1793 b->yy_is_our_buffer = 0;
1794 b->yy_input_file = 0;
1795 b->yy_n_chars = b->yy_buf_size;
1796 b->yy_is_interactive = 0;
1797 b->yy_at_bol = 1;
1798 b->yy_fill_buffer = 0;
1799 b->yy_buffer_status = YY_BUFFER_NEW;
1801 yy_switch_to_buffer(b );
1803 return b;
1804 }
1806 /** Setup the input buffer state to scan a string. The next call to yylex() will
1807 * scan from a @e copy of @a str.
1808 * @param yystr a NUL-terminated string to scan
1809 *
1810 * @return the newly allocated buffer state object.
1811 * @note If you want to scan bytes that may contain NUL values, then use
1812 * yy_scan_bytes() instead.
1813 */
1814 YY_BUFFER_STATE yy_scan_string (yyconst char * yystr )
1815 {
1817 return yy_scan_bytes(yystr,strlen(yystr) );
1818 }
1820 /** Setup the input buffer state to scan the given bytes. The next call to yylex() will
1821 * scan from a @e copy of @a bytes.
1822 * @param bytes the byte buffer to scan
1823 * @param len the number of bytes in the buffer pointed to by @a bytes.
1824 *
1825 * @return the newly allocated buffer state object.
1826 */
1827 YY_BUFFER_STATE yy_scan_bytes (yyconst char * yybytes, int _yybytes_len )
1828 {
1829 YY_BUFFER_STATE b;
1830 char *buf;
1831 yy_size_t n;
1832 int i;
1834 /* Get memory for full buffer, including space for trailing EOB's. */
1835 n = _yybytes_len + 2;
1836 buf = (char *) yyalloc(n );
1837 if ( ! buf )
1838 YY_FATAL_ERROR( "out of dynamic memory in yy_scan_bytes()" );
1840 for ( i = 0; i < _yybytes_len; ++i )
1841 buf[i] = yybytes[i];
1843 buf[_yybytes_len] = buf[_yybytes_len+1] = YY_END_OF_BUFFER_CHAR;
1845 b = yy_scan_buffer(buf,n );
1846 if ( ! b )
1847 YY_FATAL_ERROR( "bad buffer in yy_scan_bytes()" );
1849 /* It's okay to grow etc. this buffer, and we should throw it
1850 * away when we're done.
1851 */
1852 b->yy_is_our_buffer = 1;
1854 return b;
1855 }
1857 #ifndef YY_EXIT_FAILURE
1858 #define YY_EXIT_FAILURE 2
1859 #endif
1861 static void yy_fatal_error (yyconst char* msg )
1862 {
1863 (void) fprintf( stderr, "%s\n", msg );
1864 exit( YY_EXIT_FAILURE );
1865 }
1867 /* Redefine yyless() so it works in section 3 code. */
1869 #undef yyless
1870 #define yyless(n) \
1871 do \
1872 { \
1873 /* Undo effects of setting up yytext. */ \
1874 int yyless_macro_arg = (n); \
1875 YY_LESS_LINENO(yyless_macro_arg);\
1876 yytext[yyleng] = (yy_hold_char); \
1877 (yy_c_buf_p) = yytext + yyless_macro_arg; \
1878 (yy_hold_char) = *(yy_c_buf_p); \
1879 *(yy_c_buf_p) = '\0'; \
1880 yyleng = yyless_macro_arg; \
1881 } \
1882 while ( 0 )
1884 /* Accessor methods (get/set functions) to struct members. */
1886 /** Get the current line number.
1887 *
1888 */
1889 int yyget_lineno (void)
1890 {
1892 return yylineno;
1893 }
1895 /** Get the input stream.
1896 *
1897 */
1898 FILE *yyget_in (void)
1899 {
1900 return yyin;
1901 }
1903 /** Get the output stream.
1904 *
1905 */
1906 FILE *yyget_out (void)
1907 {
1908 return yyout;
1909 }
1911 /** Get the length of the current token.
1912 *
1913 */
1914 int yyget_leng (void)
1915 {
1916 return yyleng;
1917 }
1919 /** Get the current token.
1920 *
1921 */
1923 char *yyget_text (void)
1924 {
1925 return yytext;
1926 }
1928 /** Set the current line number.
1929 * @param line_number
1930 *
1931 */
1932 void yyset_lineno (int line_number )
1933 {
1935 yylineno = line_number;
1936 }
1938 /** Set the input stream. This does not discard the current
1939 * input buffer.
1940 * @param in_str A readable stream.
1941 *
1942 * @see yy_switch_to_buffer
1943 */
1944 void yyset_in (FILE * in_str )
1945 {
1946 yyin = in_str ;
1947 }
1949 void yyset_out (FILE * out_str )
1950 {
1951 yyout = out_str ;
1952 }
1954 int yyget_debug (void)
1955 {
1956 return yy_flex_debug;
1957 }
1959 void yyset_debug (int bdebug )
1960 {
1961 yy_flex_debug = bdebug ;
1962 }
1964 static int yy_init_globals (void)
1965 {
1966 /* Initialization is the same as for the non-reentrant scanner.
1967 * This function is called from yylex_destroy(), so don't allocate here.
1968 */
1970 /* We do not touch yylineno unless the option is enabled. */
1971 yylineno = 1;
1973 (yy_buffer_stack) = 0;
1974 (yy_buffer_stack_top) = 0;
1975 (yy_buffer_stack_max) = 0;
1976 (yy_c_buf_p) = (char *) 0;
1977 (yy_init) = 0;
1978 (yy_start) = 0;
1980 /* Defined in main.c */
1981 #ifdef YY_STDINIT
1982 yyin = stdin;
1983 yyout = stdout;
1984 #else
1985 yyin = (FILE *) 0;
1986 yyout = (FILE *) 0;
1987 #endif
1989 /* For future reference: Set errno on error, since we are called by
1990 * yylex_init()
1991 */
1992 return 0;
1993 }
1995 /* yylex_destroy is for both reentrant and non-reentrant scanners. */
1996 int yylex_destroy (void)
1997 {
1999 /* Pop the buffer stack, destroying each element. */
2000 while(YY_CURRENT_BUFFER){
2001 yy_delete_buffer(YY_CURRENT_BUFFER );
2002 YY_CURRENT_BUFFER_LVALUE = NULL;
2003 yypop_buffer_state();
2004 }
2006 /* Destroy the stack itself. */
2007 yyfree((yy_buffer_stack) );
2008 (yy_buffer_stack) = NULL;
2010 /* Reset the globals. This is important in a non-reentrant scanner so the next time
2011 * yylex() is called, initialization will occur. */
2012 yy_init_globals( );
2014 return 0;
2015 }
2017 /*
2018 * Internal utility routines.
2019 */
2021 #ifndef yytext_ptr
2022 static void yy_flex_strncpy (char* s1, yyconst char * s2, int n )
2023 {
2024 register int i;
2025 for ( i = 0; i < n; ++i )
2026 s1[i] = s2[i];
2027 }
2028 #endif
2030 #ifdef YY_NEED_STRLEN
2031 static int yy_flex_strlen (yyconst char * s )
2032 {
2033 register int n;
2034 for ( n = 0; s[n]; ++n )
2035 ;
2037 return n;
2038 }
2039 #endif
2041 void *yyalloc (yy_size_t size )
2042 {
2043 return (void *) malloc( size );
2044 }
2046 void *yyrealloc (void * ptr, yy_size_t size )
2047 {
2048 /* The cast to (char *) in the following accommodates both
2049 * implementations that use char* generic pointers, and those
2050 * that use void* generic pointers. It works with the latter
2051 * because both ANSI C and C++ allow castless assignment from
2052 * any pointer type to void*, and deal with argument conversions
2053 * as though doing an assignment.
2054 */
2055 return (void *) realloc( (char *) ptr, size );
2056 }
2058 void yyfree (void * ptr )
2059 {
2060 free( (char *) ptr ); /* see yyrealloc() for (char *) cast */
2061 }
2063 #define YYTABLES_NAME "yytables"
2065 #line 222 "dtc-lexer.l"
2070 /*
2071 * Stack of nested include file contexts.
2072 */
2074 struct incl_file {
2075 int filenum;
2076 FILE *file;
2077 YY_BUFFER_STATE yy_prev_buf;
2078 int yy_prev_lineno;
2079 struct incl_file *prev;
2080 };
2082 struct incl_file *incl_file_stack;
2085 /*
2086 * Detect infinite include recursion.
2087 */
2088 #define MAX_INCLUDE_DEPTH (100)
2090 static int incl_depth = 0;
2093 int push_input_file(const char *filename)
2094 {
2095 FILE *f;
2096 struct incl_file *incl_file;
2098 if (!filename) {
2099 yyerror("No include file name given.");
2100 return 0;
2101 }
2103 if (incl_depth++ >= MAX_INCLUDE_DEPTH) {
2104 yyerror("Includes nested too deeply");
2105 return 0;
2106 }
2108 f = dtc_open_file(filename);
2110 incl_file = malloc(sizeof(struct incl_file));
2111 if (!incl_file) {
2112 yyerror("Can not allocate include file space.");
2113 return 0;
2114 }
2116 /*
2117 * Save current context.
2118 */
2119 incl_file->yy_prev_buf = YY_CURRENT_BUFFER;
2120 incl_file->yy_prev_lineno = yylineno;
2121 incl_file->filenum = srcpos_filenum;
2122 incl_file->file = yyin;
2123 incl_file->prev = incl_file_stack;
2125 incl_file_stack = incl_file;
2127 /*
2128 * Establish new context.
2129 */
2130 srcpos_filenum = lookup_file_name(filename, 0);
2131 yylineno = 1;
2132 yyin = f;
2133 yy_switch_to_buffer(yy_create_buffer(yyin,YY_BUF_SIZE));
2135 return 1;
2136 }
2139 int pop_input_file(void)
2140 {
2141 struct incl_file *incl_file;
2143 if (incl_file_stack == 0)
2144 return 0;
2146 fclose(yyin);
2148 /*
2149 * Pop.
2150 */
2151 --incl_depth;
2152 incl_file = incl_file_stack;
2153 incl_file_stack = incl_file->prev;
2155 /*
2156 * Recover old context.
2157 */
2158 yy_delete_buffer(YY_CURRENT_BUFFER);
2159 yy_switch_to_buffer(incl_file->yy_prev_buf);
2160 yylineno = incl_file->yy_prev_lineno;
2161 srcpos_filenum = incl_file->filenum;
2162 yyin = incl_file->file;
2164 /*
2165 * Free old state.
2166 */
2167 free(incl_file);
2169 if (YY_CURRENT_BUFFER == 0)
2170 return 0;
2172 return 1;
2173 }