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1 | /* A lexical scanner generated by flex */ | |
2 | ||
3 | /* scanner skeleton version: | |
4 | * $Header$ | |
5 | Last change: JS 13 Jul 97 6:17 pm | |
6 | */ | |
7 | ||
8 | #define FLEX_SCANNER | |
9 | ||
10 | #include <stdio.h> | |
11 | ||
12 | ||
13 | /* cfront 1.2 defines "c_plusplus" instead of "__cplusplus" */ | |
14 | #ifdef c_plusplus | |
15 | #ifndef __cplusplus | |
16 | #define __cplusplus | |
17 | #endif | |
18 | #endif | |
19 | ||
20 | ||
21 | #ifdef __cplusplus | |
22 | ||
23 | #include <stdlib.h> | |
24 | #include <osfcn.h> | |
25 | ||
26 | /* use prototypes in function declarations */ | |
27 | #define YY_USE_PROTOS | |
28 | ||
29 | /* the "const" storage-class-modifier is valid */ | |
30 | #define YY_USE_CONST | |
31 | ||
32 | #else /* ! __cplusplus */ | |
33 | ||
34 | #ifdef __STDC__ | |
35 | ||
36 | #ifdef __GNUC__ | |
37 | #include <stddef.h> | |
38 | #else | |
39 | #include <stdlib.h> | |
40 | #endif /* __GNUC__ */ | |
41 | ||
42 | #define YY_USE_PROTOS | |
43 | #define YY_USE_CONST | |
44 | ||
45 | #endif /* __STDC__ */ | |
46 | #endif /* ! __cplusplus */ | |
47 | ||
48 | ||
49 | #ifdef __TURBOC__ | |
50 | #define YY_USE_CONST | |
51 | #endif | |
52 | ||
53 | ||
54 | #ifndef YY_USE_CONST | |
55 | #define const | |
56 | #endif | |
57 | ||
58 | ||
59 | #ifdef YY_USE_PROTOS | |
60 | #define YY_PROTO(proto) proto | |
61 | #else | |
62 | #define YY_PROTO(proto) () | |
63 | /* we can't get here if it's an ANSI C compiler, or a C++ compiler, | |
64 | * so it's got to be a K&R compiler, and therefore there's no standard | |
65 | * place from which to include these definitions | |
66 | */ | |
67 | /* | |
68 | char *malloc(); | |
69 | int free(); | |
70 | */ | |
71 | ||
72 | //int read(); | |
73 | #endif | |
74 | ||
75 | ||
76 | /* amount of stuff to slurp up with each read */ | |
77 | #ifndef YY_READ_BUF_SIZE | |
78 | #define YY_READ_BUF_SIZE 8192 | |
79 | #endif | |
80 | ||
81 | /* returned upon end-of-file */ | |
82 | #define YY_END_TOK 0 | |
83 | ||
84 | /* copy whatever the last rule matched to the standard output */ | |
85 | ||
86 | /* cast to (char *) is because for 8-bit chars, yytext is (unsigned char *) */ | |
87 | /* this used to be an fputs(), but since the string might contain NUL's, | |
88 | * we now use fwrite() | |
89 | */ | |
90 | #define ECHO (void) fwrite( (char *) yytext, yyleng, 1, yyout ) | |
91 | ||
92 | /* gets input and stuffs it into "buf". number of characters read, or YY_NULL, | |
93 | * is returned in "result". | |
94 | */ | |
95 | #define YY_INPUT(buf,result,max_size) \ | |
96 | if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ | |
97 | YY_FATAL_ERROR( "read() in flex scanner failed" ); | |
98 | #define YY_NULL 0 | |
99 | ||
100 | /* no semi-colon after return; correct usage is to write "yyterminate();" - | |
101 | * we don't want an extra ';' after the "return" because that will cause | |
102 | * some compilers to complain about unreachable statements. | |
103 | */ | |
104 | #define yyterminate() return ( YY_NULL ) | |
105 | ||
106 | /* report a fatal error */ | |
107 | ||
108 | /* The funky do-while is used to turn this macro definition into | |
109 | * a single C statement (which needs a semi-colon terminator). | |
110 | * This avoids problems with code like: | |
111 | * | |
112 | * if ( something_happens ) | |
113 | * YY_FATAL_ERROR( "oops, the something happened" ); | |
114 | * else | |
115 | * everything_okay(); | |
116 | * | |
117 | * Prior to using the do-while the compiler would get upset at the | |
118 | * "else" because it interpreted the "if" statement as being all | |
119 | * done when it reached the ';' after the YY_FATAL_ERROR() call. | |
120 | */ | |
121 | ||
122 | #define YY_FATAL_ERROR(msg) \ | |
123 | do \ | |
124 | { \ | |
125 | (void) fputs( msg, stderr ); \ | |
126 | (void) putc( '\n', stderr ); \ | |
127 | exit( 1 ); \ | |
128 | } \ | |
129 | while ( 0 ) | |
130 | ||
131 | /* default yywrap function - always treat EOF as an EOF */ | |
132 | int yywrap(void) { return 1; } | |
133 | ||
134 | ||
135 | /* enter a start condition. This macro really ought to take a parameter, | |
136 | * but we do it the disgusting crufty way forced on us by the ()-less | |
137 | * definition of BEGIN | |
138 | */ | |
139 | #define BEGIN yy_start = 1 + 2 * | |
140 | ||
141 | /* action number for EOF rule of a given start state */ | |
142 | #define YY_STATE_EOF(state) (YY_END_OF_BUFFER + state + 1) | |
143 | ||
144 | /* special action meaning "start processing a new file" */ | |
145 | #define YY_NEW_FILE \ | |
146 | do \ | |
147 | { \ | |
148 | yy_init_buffer( yy_current_buffer, yyin ); \ | |
149 | yy_load_buffer_state(); \ | |
150 | } \ | |
151 | while ( 0 ) | |
152 | ||
153 | /* default declaration of generated scanner - a define so the user can | |
154 | * easily add parameters | |
155 | */ | |
156 | #define YY_DECL int yylex YY_PROTO(( void )) | |
157 | ||
158 | /* code executed at the end of each rule */ | |
159 | #define YY_BREAK break; | |
160 | ||
161 | #define YY_END_OF_BUFFER_CHAR 0 | |
162 | ||
163 | #ifndef YY_BUF_SIZE | |
164 | #define YY_BUF_SIZE (YY_READ_BUF_SIZE * 2) /* size of default input buffer */ | |
165 | #endif | |
166 | ||
167 | typedef struct yy_buffer_state *YY_BUFFER_STATE; | |
168 | ||
169 | #define YY_CHAR unsigned char | |
170 | # line 1 "lexer.l" | |
171 | #define INITIAL 0 | |
172 | # line 9 "lexer.l" | |
173 | /* | |
174 | * File: lexer.l | |
175 | * Description: Lexical analyser for PROLOGIO; can be used with | |
176 | * either lex and flex. | |
177 | */ | |
178 | #include <string.h> | |
179 | ||
180 | /* +++steve162e: added, otherwise, PROIO_input will be undefined (at least under LINUX) | |
181 | please check, if this is also TRUE under other UNIXes. | |
182 | */ | |
183 | ||
184 | #if defined(FLEX_SCANNER) && defined(_LINUX) | |
185 | #define PROIO_input my_input | |
186 | #endif | |
187 | /* ---steve162e */ | |
188 | ||
189 | #include "wx/expr.h" | |
190 | #ifdef wx_x | |
191 | extern char *malloc(); | |
192 | #endif | |
193 | #define Return(x) return x; | |
194 | ||
195 | #if defined(VMS) && ( __VMS_VER < 70000000 ) | |
196 | #define strdup(s) (strcpy((char *)malloc(strlen(s)+1), s)); | |
197 | #endif | |
198 | ||
199 | static size_t lex_buffer_length = 0; | |
200 | static const char *lex_buffer = NULL; | |
201 | static size_t lex_string_ptr = 0; | |
202 | static int lex_read_from_string = 0; | |
203 | ||
204 | static int my_input(void); | |
205 | static int my_unput(char); | |
206 | ||
207 | #ifdef FLEX_SCANNER | |
208 | #undef YY_INPUT | |
209 | # define YY_INPUT(buf,result,max_size) \ | |
210 | if (lex_read_from_string) \ | |
211 | { int c = my_input(); result = (c == 0) ? YY_NULL : ((buf)[0]=(c), 1); } \ | |
212 | else \ | |
213 | if ( (result = read( fileno(yyin), (char *) buf, max_size )) < 0 ) \ | |
214 | YY_FATAL_ERROR( "read() in flex scanner failed" ); | |
215 | #else | |
216 | # undef unput | |
217 | # define unput(_c) my_unput(_c) | |
218 | #endif | |
219 | ||
220 | # line 58 "lexer.l" | |
221 | ||
222 | /* done after the current pattern has been matched and before the | |
223 | * corresponding action - sets up yytext | |
224 | */ | |
225 | #define YY_DO_BEFORE_ACTION \ | |
226 | yytext = yy_bp; \ | |
227 | yyleng = yy_cp - yy_bp; \ | |
228 | yy_hold_char = *yy_cp; \ | |
229 | *yy_cp = '\0'; \ | |
230 | yy_c_buf_p = yy_cp; | |
231 | ||
232 | #define EOB_ACT_CONTINUE_SCAN 0 | |
233 | #define EOB_ACT_END_OF_FILE 1 | |
234 | #define EOB_ACT_LAST_MATCH 2 | |
235 | ||
236 | /* return all but the first 'n' matched characters back to the input stream */ | |
237 | #define yyless(n) \ | |
238 | do \ | |
239 | { \ | |
240 | /* undo effects of setting up yytext */ \ | |
241 | *yy_cp = yy_hold_char; \ | |
242 | yy_c_buf_p = yy_cp = yy_bp + n; \ | |
243 | YY_DO_BEFORE_ACTION; /* set up yytext again */ \ | |
244 | } \ | |
245 | while ( 0 ) | |
246 | ||
247 | #undef unput | |
248 | #define unput(c) yyunput( c, yytext ) | |
249 | ||
250 | ||
251 | struct yy_buffer_state | |
252 | { | |
253 | FILE *yy_input_file; | |
254 | ||
255 | YY_CHAR *yy_ch_buf; /* input buffer */ | |
256 | YY_CHAR *yy_buf_pos; /* current position in input buffer */ | |
257 | ||
258 | /* size of input buffer in bytes, not including room for EOB characters*/ | |
259 | int yy_buf_size; | |
260 | ||
261 | /* number of characters read into yy_ch_buf, not including EOB characters */ | |
262 | int yy_n_chars; | |
263 | ||
264 | int yy_eof_status; /* whether we've seen an EOF on this buffer */ | |
265 | #define EOF_NOT_SEEN 0 | |
266 | /* "pending" happens when the EOF has been seen but there's still | |
267 | * some text process | |
268 | */ | |
269 | #define EOF_PENDING 1 | |
270 | #define EOF_DONE 2 | |
271 | }; | |
272 | ||
273 | static YY_BUFFER_STATE yy_current_buffer; | |
274 | ||
275 | /* we provide macros for accessing buffer states in case in the | |
276 | * future we want to put the buffer states in a more general | |
277 | * "scanner state" | |
278 | */ | |
279 | #define YY_CURRENT_BUFFER yy_current_buffer | |
280 | ||
281 | ||
282 | /* yy_hold_char holds the character lost when yytext is formed */ | |
283 | static YY_CHAR yy_hold_char; | |
284 | ||
285 | static int yy_n_chars; /* number of characters read into yy_ch_buf */ | |
286 | ||
287 | ||
288 | ||
289 | #ifndef YY_USER_ACTION | |
290 | #define YY_USER_ACTION | |
291 | #endif | |
292 | ||
293 | #ifndef YY_USER_INIT | |
294 | #define YY_USER_INIT | |
295 | #endif | |
296 | ||
297 | extern YY_CHAR *yytext; | |
298 | extern int yyleng; | |
299 | extern FILE *yyin, *yyout; | |
300 | ||
301 | YY_CHAR *yytext; | |
302 | int yyleng; | |
303 | ||
304 | FILE *yyin = (FILE *) 0, *yyout = (FILE *) 0; | |
305 | ||
306 | #define YY_END_OF_BUFFER 18 | |
307 | typedef int yy_state_type; | |
308 | static const short int yy_accept[34] = | |
309 | { 0, | |
310 | 0, 0, 18, 16, 13, 14, 16, 16, 6, 7, | |
311 | 16, 8, 12, 16, 1, 11, 3, 9, 10, 2, | |
312 | 0, 5, 0, 0, 0, 4, 1, 15, 3, 5, | |
313 | 0, 0, 0 | |
314 | } ; | |
315 | ||
316 | static const YY_CHAR yy_ec[256] = | |
317 | { 0, | |
318 | 1, 1, 1, 1, 1, 1, 1, 1, 2, 3, | |
319 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
320 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
321 | 1, 2, 1, 4, 1, 1, 1, 1, 5, 6, | |
322 | 7, 8, 9, 10, 9, 11, 12, 13, 13, 13, | |
323 | 13, 13, 13, 13, 13, 13, 13, 1, 1, 1, | |
324 | 14, 1, 1, 1, 15, 15, 15, 15, 15, 15, | |
325 | 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, | |
326 | 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, | |
327 | 16, 17, 18, 1, 15, 1, 15, 15, 15, 15, | |
328 | ||
329 | 19, 15, 15, 15, 15, 15, 15, 15, 15, 15, | |
330 | 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, | |
331 | 15, 15, 1, 20, 1, 1, 1, 1, 1, 1, | |
332 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
333 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
334 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
335 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
336 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
337 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
338 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
339 | ||
340 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
341 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
342 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
343 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
344 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
345 | 1, 1, 1, 1, 1 | |
346 | } ; | |
347 | ||
348 | static const YY_CHAR yy_meta[21] = | |
349 | { 0, | |
350 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
351 | 1, 1, 2, 1, 2, 1, 3, 1, 2, 1 | |
352 | } ; | |
353 | ||
354 | static const short int yy_base[37] = | |
355 | { 0, | |
356 | 0, 0, 48, 55, 55, 55, 17, 42, 55, 55, | |
357 | 19, 55, 55, 23, 17, 55, 0, 55, 55, 0, | |
358 | 18, 55, 19, 23, 21, 55, 12, 55, 0, 24, | |
359 | 25, 29, 55, 49, 52, 22 | |
360 | } ; | |
361 | ||
362 | static const short int yy_def[37] = | |
363 | { 0, | |
364 | 33, 1, 33, 33, 33, 33, 34, 35, 33, 33, | |
365 | 33, 33, 33, 33, 33, 33, 36, 33, 33, 36, | |
366 | 34, 33, 34, 34, 35, 33, 33, 33, 36, 34, | |
367 | 34, 34, 0, 33, 33, 33 | |
368 | } ; | |
369 | ||
370 | static const short int yy_nxt[76] = | |
371 | { 0, | |
372 | 4, 5, 6, 7, 8, 9, 10, 4, 11, 12, | |
373 | 13, 14, 15, 16, 17, 18, 4, 19, 20, 4, | |
374 | 22, 22, 30, 29, 27, 26, 22, 22, 30, 27, | |
375 | 28, 27, 30, 23, 23, 23, 24, 24, 24, 31, | |
376 | 23, 32, 24, 24, 24, 23, 26, 33, 24, 21, | |
377 | 21, 21, 25, 25, 3, 33, 33, 33, 33, 33, | |
378 | 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, | |
379 | 33, 33, 33, 33, 33 | |
380 | } ; | |
381 | ||
382 | static const short int yy_chk[76] = | |
383 | { 0, | |
384 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
385 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, | |
386 | 7, 21, 23, 36, 27, 25, 24, 30, 31, 15, | |
387 | 14, 11, 32, 7, 21, 23, 7, 21, 23, 24, | |
388 | 30, 31, 24, 30, 31, 32, 8, 3, 32, 34, | |
389 | 34, 34, 35, 35, 33, 33, 33, 33, 33, 33, | |
390 | 33, 33, 33, 33, 33, 33, 33, 33, 33, 33, | |
391 | 33, 33, 33, 33, 33 | |
392 | } ; | |
393 | ||
394 | static yy_state_type yy_last_accepting_state; | |
395 | static YY_CHAR *yy_last_accepting_cpos; | |
396 | ||
397 | /* the intent behind this definition is that it'll catch | |
398 | * any uses of REJECT which flex missed | |
399 | */ | |
400 | #define REJECT reject_used_but_not_detected | |
401 | #define yymore() yymore_used_but_not_detected | |
402 | #define YY_MORE_ADJ 0 | |
403 | ||
404 | /* these variables are all declared out here so that section 3 code can | |
405 | * manipulate them | |
406 | */ | |
407 | /* points to current character in buffer */ | |
408 | static YY_CHAR *yy_c_buf_p = (YY_CHAR *) 0; | |
409 | static int yy_init = 1; /* whether we need to initialize */ | |
410 | static int yy_start = 0; /* start state number */ | |
411 | ||
412 | /* flag which is used to allow yywrap()'s to do buffer switches | |
413 | * instead of setting up a fresh yyin. A bit of a hack ... | |
414 | */ | |
415 | static int yy_did_buffer_switch_on_eof; | |
416 | ||
417 | static yy_state_type yy_get_previous_state YY_PROTO(( void )); | |
418 | static yy_state_type yy_try_NUL_trans YY_PROTO(( yy_state_type current_state )); | |
419 | static int yy_get_next_buffer YY_PROTO(( void )); | |
420 | static void yyunput YY_PROTO(( YY_CHAR c, YY_CHAR *buf_ptr )); | |
421 | void yyrestart YY_PROTO(( FILE *input_file )); | |
422 | void yy_switch_to_buffer YY_PROTO(( YY_BUFFER_STATE new_buffer )); | |
423 | void yy_load_buffer_state YY_PROTO(( void )); | |
424 | YY_BUFFER_STATE yy_create_buffer YY_PROTO(( FILE *file, int size )); | |
425 | void yy_delete_buffer YY_PROTO(( YY_BUFFER_STATE b )); | |
426 | void yy_init_buffer YY_PROTO(( YY_BUFFER_STATE b, FILE *file )); | |
427 | ||
428 | #define yy_new_buffer yy_create_buffer | |
429 | ||
430 | #ifdef __cplusplus | |
431 | static int yyinput YY_PROTO(( void )); | |
432 | #else | |
433 | static int input YY_PROTO(( void )); | |
434 | #endif | |
435 | ||
436 | YY_DECL | |
437 | { | |
438 | register yy_state_type yy_current_state; | |
439 | register YY_CHAR *yy_cp, *yy_bp; | |
440 | register int yy_act; | |
441 | ||
442 | ||
443 | ||
444 | ||
445 | if ( yy_init ) | |
446 | { | |
447 | YY_USER_INIT; | |
448 | ||
449 | if ( ! yy_start ) | |
450 | yy_start = 1; /* first start state */ | |
451 | ||
452 | if ( ! yyin ) | |
453 | yyin = stdin; | |
454 | ||
455 | if ( ! yyout ) | |
456 | yyout = stdout; | |
457 | ||
458 | if ( yy_current_buffer ) | |
459 | yy_init_buffer( yy_current_buffer, yyin ); | |
460 | else | |
461 | yy_current_buffer = yy_create_buffer( yyin, YY_BUF_SIZE ); | |
462 | ||
463 | yy_load_buffer_state(); | |
464 | ||
465 | yy_init = 0; | |
466 | } | |
467 | ||
468 | while ( 1 ) /* loops until end-of-file is reached */ | |
469 | { | |
470 | yy_cp = yy_c_buf_p; | |
471 | ||
472 | /* support of yytext */ | |
473 | *yy_cp = yy_hold_char; | |
474 | ||
475 | /* yy_bp points to the position in yy_ch_buf of the start of the | |
476 | * current run. | |
477 | */ | |
478 | yy_bp = yy_cp; | |
479 | ||
480 | yy_current_state = yy_start; | |
481 | yy_match: | |
482 | do | |
483 | { | |
484 | register YY_CHAR yy_c = yy_ec[*yy_cp]; | |
485 | if ( yy_accept[yy_current_state] ) | |
486 | { | |
487 | yy_last_accepting_state = yy_current_state; | |
488 | yy_last_accepting_cpos = yy_cp; | |
489 | } | |
490 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) | |
491 | { | |
492 | yy_current_state = yy_def[yy_current_state]; | |
493 | if ( yy_current_state >= 34 ) | |
494 | yy_c = yy_meta[yy_c]; | |
495 | } | |
496 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; | |
497 | ++yy_cp; | |
498 | } | |
499 | while ( yy_current_state != 33 ); | |
500 | yy_cp = yy_last_accepting_cpos; | |
501 | yy_current_state = yy_last_accepting_state; | |
502 | ||
503 | yy_find_action: | |
504 | yy_act = yy_accept[yy_current_state]; | |
505 | ||
506 | YY_DO_BEFORE_ACTION; | |
507 | YY_USER_ACTION; | |
508 | ||
509 | do_action: /* this label is used only to access EOF actions */ | |
510 | ||
511 | ||
512 | switch ( yy_act ) | |
513 | { | |
514 | case 0: /* must backtrack */ | |
515 | /* undo the effects of YY_DO_BEFORE_ACTION */ | |
516 | *yy_cp = yy_hold_char; | |
517 | yy_cp = yy_last_accepting_cpos; | |
518 | yy_current_state = yy_last_accepting_state; | |
519 | goto yy_find_action; | |
520 | ||
521 | case 1: | |
522 | # line 60 "lexer.l" | |
523 | {yylval.s = strdup(yytext); Return(INTEGER);} | |
524 | YY_BREAK | |
525 | case 2: | |
526 | # line 62 "lexer.l" | |
527 | Return(EXP); | |
528 | YY_BREAK | |
529 | case 3: | |
530 | # line 64 "lexer.l" | |
531 | {yylval.s = strdup(yytext); Return(WORD);} | |
532 | YY_BREAK | |
533 | case 4: | |
534 | # line 66 "lexer.l" | |
535 | {int len = strlen(yytext); | |
536 | yytext[len-1] = 0; | |
537 | yylval.s = strdup(yytext+1); | |
538 | Return(WORD);} | |
539 | YY_BREAK | |
540 | case 5: | |
541 | # line 71 "lexer.l" | |
542 | {yylval.s = strdup(yytext); Return(STRING);} | |
543 | YY_BREAK | |
544 | case 6: | |
545 | # line 73 "lexer.l" | |
546 | Return(OPEN); | |
547 | YY_BREAK | |
548 | case 7: | |
549 | # line 75 "lexer.l" | |
550 | Return(CLOSE); | |
551 | YY_BREAK | |
552 | case 8: | |
553 | # line 77 "lexer.l" | |
554 | Return(COMMA); | |
555 | YY_BREAK | |
556 | case 9: | |
557 | # line 79 "lexer.l" | |
558 | Return(OPEN_SQUARE); | |
559 | YY_BREAK | |
560 | case 10: | |
561 | # line 81 "lexer.l" | |
562 | Return(CLOSE_SQUARE); | |
563 | YY_BREAK | |
564 | case 11: | |
565 | # line 83 "lexer.l" | |
566 | Return(EQUALS); | |
567 | YY_BREAK | |
568 | case 12: | |
569 | # line 85 "lexer.l" | |
570 | Return(PERIOD); | |
571 | YY_BREAK | |
572 | case 13: | |
573 | # line 87 "lexer.l" | |
574 | ; | |
575 | YY_BREAK | |
576 | case 14: | |
577 | # line 89 "lexer.l" | |
578 | ; | |
579 | YY_BREAK | |
580 | case 15: | |
581 | # line 91 "lexer.l" | |
582 | { loop: | |
583 | #ifdef __cplusplus | |
584 | while (yyinput() != '*'); | |
585 | switch (yyinput()) | |
586 | #else | |
587 | while (input() != '*'); | |
588 | switch (input()) | |
589 | #endif | |
590 | { | |
591 | case '/': break; | |
592 | case '*': unput('*'); | |
593 | default: goto loop; | |
594 | } | |
595 | } | |
596 | YY_BREAK | |
597 | case 16: | |
598 | # line 106 "lexer.l" | |
599 | Return(ERROR); | |
600 | YY_BREAK | |
601 | case 17: | |
602 | # line 108 "lexer.l" | |
603 | ECHO; | |
604 | YY_BREAK | |
605 | case YY_STATE_EOF(INITIAL): | |
606 | yyterminate(); | |
607 | ||
608 | case YY_END_OF_BUFFER: | |
609 | { | |
610 | /* amount of text matched not including the EOB char */ | |
611 | int yy_amount_of_matched_text = yy_cp - yytext - 1; | |
612 | ||
613 | /* undo the effects of YY_DO_BEFORE_ACTION */ | |
614 | *yy_cp = yy_hold_char; | |
615 | ||
616 | /* note that here we test for yy_c_buf_p "<=" to the position | |
617 | * of the first EOB in the buffer, since yy_c_buf_p will | |
618 | * already have been incremented past the NUL character | |
619 | * (since all states make transitions on EOB to the end- | |
620 | * of-buffer state). Contrast this with the test in yyinput(). | |
621 | */ | |
622 | if ( yy_c_buf_p <= &yy_current_buffer->yy_ch_buf[yy_n_chars] ) | |
623 | /* this was really a NUL */ | |
624 | { | |
625 | yy_state_type yy_next_state; | |
626 | ||
627 | yy_c_buf_p = yytext + yy_amount_of_matched_text; | |
628 | ||
629 | yy_current_state = yy_get_previous_state(); | |
630 | ||
631 | /* okay, we're now positioned to make the | |
632 | * NUL transition. We couldn't have | |
633 | * yy_get_previous_state() go ahead and do it | |
634 | * for us because it doesn't know how to deal | |
635 | * with the possibility of jamming (and we | |
636 | * don't want to build jamming into it because | |
637 | * then it will run more slowly) | |
638 | */ | |
639 | ||
640 | yy_next_state = yy_try_NUL_trans( yy_current_state ); | |
641 | ||
642 | yy_bp = yytext + YY_MORE_ADJ; | |
643 | ||
644 | if ( yy_next_state ) | |
645 | { | |
646 | /* consume the NUL */ | |
647 | yy_cp = ++yy_c_buf_p; | |
648 | yy_current_state = yy_next_state; | |
649 | goto yy_match; | |
650 | } | |
651 | ||
652 | else | |
653 | { | |
654 | yy_cp = yy_last_accepting_cpos; | |
655 | yy_current_state = yy_last_accepting_state; | |
656 | goto yy_find_action; | |
657 | } | |
658 | } | |
659 | ||
660 | else switch ( yy_get_next_buffer() ) | |
661 | { | |
662 | case EOB_ACT_END_OF_FILE: | |
663 | { | |
664 | yy_did_buffer_switch_on_eof = 0; | |
665 | ||
666 | if ( yywrap() ) | |
667 | { | |
668 | /* note: because we've taken care in | |
669 | * yy_get_next_buffer() to have set up yytext, | |
670 | * we can now set up yy_c_buf_p so that if some | |
671 | * total hoser (like flex itself) wants | |
672 | * to call the scanner after we return the | |
673 | * YY_NULL, it'll still work - another YY_NULL | |
674 | * will get returned. | |
675 | */ | |
676 | yy_c_buf_p = yytext + YY_MORE_ADJ; | |
677 | ||
678 | yy_act = YY_STATE_EOF((yy_start - 1) / 2); | |
679 | goto do_action; | |
680 | } | |
681 | ||
682 | else | |
683 | { | |
684 | if ( ! yy_did_buffer_switch_on_eof ) | |
685 | YY_NEW_FILE; | |
686 | } | |
687 | } | |
688 | break; | |
689 | ||
690 | case EOB_ACT_CONTINUE_SCAN: | |
691 | yy_c_buf_p = yytext + yy_amount_of_matched_text; | |
692 | ||
693 | yy_current_state = yy_get_previous_state(); | |
694 | ||
695 | yy_cp = yy_c_buf_p; | |
696 | yy_bp = yytext + YY_MORE_ADJ; | |
697 | goto yy_match; | |
698 | ||
699 | case EOB_ACT_LAST_MATCH: | |
700 | yy_c_buf_p = | |
701 | &yy_current_buffer->yy_ch_buf[yy_n_chars]; | |
702 | ||
703 | yy_current_state = yy_get_previous_state(); | |
704 | ||
705 | yy_cp = yy_c_buf_p; | |
706 | yy_bp = yytext + YY_MORE_ADJ; | |
707 | goto yy_find_action; | |
708 | } | |
709 | break; | |
710 | } | |
711 | ||
712 | default: | |
713 | #ifdef FLEX_DEBUG | |
714 | printf( "action # %d\n", yy_act ); | |
715 | #endif | |
716 | YY_FATAL_ERROR( | |
717 | "fatal flex scanner internal error--no action found" ); | |
718 | } | |
719 | } | |
720 | } | |
721 | ||
722 | ||
723 | /* yy_get_next_buffer - try to read in a new buffer | |
724 | * | |
725 | * synopsis | |
726 | * int yy_get_next_buffer(); | |
727 | * | |
728 | * returns a code representing an action | |
729 | * EOB_ACT_LAST_MATCH - | |
730 | * EOB_ACT_CONTINUE_SCAN - continue scanning from current position | |
731 | * EOB_ACT_END_OF_FILE - end of file | |
732 | */ | |
733 | ||
734 | static int yy_get_next_buffer() | |
735 | ||
736 | { | |
737 | register YY_CHAR *dest = yy_current_buffer->yy_ch_buf; | |
738 | register YY_CHAR *source = yytext - 1; /* copy prev. char, too */ | |
739 | register int number_to_move, i; | |
740 | int ret_val; | |
741 | ||
742 | if ( yy_c_buf_p > &yy_current_buffer->yy_ch_buf[yy_n_chars + 1] ) | |
743 | YY_FATAL_ERROR( | |
744 | "fatal flex scanner internal error--end of buffer missed" ); | |
745 | ||
746 | /* try to read more data */ | |
747 | ||
748 | /* first move last chars to start of buffer */ | |
749 | number_to_move = yy_c_buf_p - yytext; | |
750 | ||
751 | for ( i = 0; i < number_to_move; ++i ) | |
752 | *(dest++) = *(source++); | |
753 | ||
754 | if ( yy_current_buffer->yy_eof_status != EOF_NOT_SEEN ) | |
755 | /* don't do the read, it's not guaranteed to return an EOF, | |
756 | * just force an EOF | |
757 | */ | |
758 | yy_n_chars = 0; | |
759 | ||
760 | else | |
761 | { | |
762 | int num_to_read = yy_current_buffer->yy_buf_size - number_to_move - 1; | |
763 | ||
764 | if ( num_to_read > YY_READ_BUF_SIZE ) | |
765 | num_to_read = YY_READ_BUF_SIZE; | |
766 | ||
767 | else if ( num_to_read <= 0 ) | |
768 | YY_FATAL_ERROR( "fatal error - scanner input buffer overflow" ); | |
769 | ||
770 | /* read in more data */ | |
771 | YY_INPUT( (&yy_current_buffer->yy_ch_buf[number_to_move]), | |
772 | yy_n_chars, num_to_read ); | |
773 | } | |
774 | ||
775 | if ( yy_n_chars == 0 ) | |
776 | { | |
777 | if ( number_to_move == 1 ) | |
778 | { | |
779 | ret_val = EOB_ACT_END_OF_FILE; | |
780 | yy_current_buffer->yy_eof_status = EOF_DONE; | |
781 | } | |
782 | ||
783 | else | |
784 | { | |
785 | ret_val = EOB_ACT_LAST_MATCH; | |
786 | yy_current_buffer->yy_eof_status = EOF_PENDING; | |
787 | } | |
788 | } | |
789 | ||
790 | else | |
791 | ret_val = EOB_ACT_CONTINUE_SCAN; | |
792 | ||
793 | yy_n_chars += number_to_move; | |
794 | yy_current_buffer->yy_ch_buf[yy_n_chars] = YY_END_OF_BUFFER_CHAR; | |
795 | yy_current_buffer->yy_ch_buf[yy_n_chars + 1] = YY_END_OF_BUFFER_CHAR; | |
796 | ||
797 | /* yytext begins at the second character in yy_ch_buf; the first | |
798 | * character is the one which preceded it before reading in the latest | |
799 | * buffer; it needs to be kept around in case it's a newline, so | |
800 | * yy_get_previous_state() will have with '^' rules active | |
801 | */ | |
802 | ||
803 | yytext = &yy_current_buffer->yy_ch_buf[1]; | |
804 | ||
805 | return ( ret_val ); | |
806 | } | |
807 | ||
808 | ||
809 | /* yy_get_previous_state - get the state just before the EOB char was reached | |
810 | * | |
811 | * synopsis | |
812 | * yy_state_type yy_get_previous_state(); | |
813 | */ | |
814 | ||
815 | static yy_state_type yy_get_previous_state() | |
816 | ||
817 | { | |
818 | register yy_state_type yy_current_state; | |
819 | register YY_CHAR *yy_cp; | |
820 | ||
821 | yy_current_state = yy_start; | |
822 | ||
823 | for ( yy_cp = yytext + YY_MORE_ADJ; yy_cp < yy_c_buf_p; ++yy_cp ) | |
824 | { | |
825 | register YY_CHAR yy_c = (*yy_cp ? yy_ec[*yy_cp] : 1); | |
826 | if ( yy_accept[yy_current_state] ) | |
827 | { | |
828 | yy_last_accepting_state = yy_current_state; | |
829 | yy_last_accepting_cpos = yy_cp; | |
830 | } | |
831 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) | |
832 | { | |
833 | yy_current_state = yy_def[yy_current_state]; | |
834 | if ( yy_current_state >= 34 ) | |
835 | yy_c = yy_meta[yy_c]; | |
836 | } | |
837 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; | |
838 | } | |
839 | ||
840 | return ( yy_current_state ); | |
841 | } | |
842 | ||
843 | ||
844 | /* yy_try_NUL_trans - try to make a transition on the NUL character | |
845 | * | |
846 | * synopsis | |
847 | * next_state = yy_try_NUL_trans( current_state ); | |
848 | */ | |
849 | ||
850 | #ifdef YY_USE_PROTOS | |
851 | static yy_state_type yy_try_NUL_trans( register yy_state_type yy_current_state ) | |
852 | #else | |
853 | static yy_state_type yy_try_NUL_trans( yy_current_state ) | |
854 | register yy_state_type yy_current_state; | |
855 | #endif | |
856 | ||
857 | { | |
858 | register int yy_is_jam; | |
859 | register YY_CHAR *yy_cp = yy_c_buf_p; | |
860 | ||
861 | register YY_CHAR yy_c = 1; | |
862 | if ( yy_accept[yy_current_state] ) | |
863 | { | |
864 | yy_last_accepting_state = yy_current_state; | |
865 | yy_last_accepting_cpos = yy_cp; | |
866 | } | |
867 | while ( yy_chk[yy_base[yy_current_state] + yy_c] != yy_current_state ) | |
868 | { | |
869 | yy_current_state = yy_def[yy_current_state]; | |
870 | if ( yy_current_state >= 34 ) | |
871 | yy_c = yy_meta[yy_c]; | |
872 | } | |
873 | yy_current_state = yy_nxt[yy_base[yy_current_state] + yy_c]; | |
874 | yy_is_jam = (yy_current_state == 33); | |
875 | ||
876 | return ( yy_is_jam ? 0 : yy_current_state ); | |
877 | } | |
878 | ||
879 | ||
880 | #ifdef YY_USE_PROTOS | |
881 | static void yyunput( YY_CHAR c, register YY_CHAR *yy_bp ) | |
882 | #else | |
883 | static void yyunput( c, yy_bp ) | |
884 | YY_CHAR c; | |
885 | register YY_CHAR *yy_bp; | |
886 | #endif | |
887 | ||
888 | { | |
889 | register YY_CHAR *yy_cp = yy_c_buf_p; | |
890 | ||
891 | /* undo effects of setting up yytext */ | |
892 | *yy_cp = yy_hold_char; | |
893 | ||
894 | if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) | |
895 | { /* need to shift things up to make room */ | |
896 | register int number_to_move = yy_n_chars + 2; /* +2 for EOB chars */ | |
897 | register YY_CHAR *dest = | |
898 | &yy_current_buffer->yy_ch_buf[yy_current_buffer->yy_buf_size + 2]; | |
899 | register YY_CHAR *source = | |
900 | &yy_current_buffer->yy_ch_buf[number_to_move]; | |
901 | ||
902 | while ( source > yy_current_buffer->yy_ch_buf ) | |
903 | *--dest = *--source; | |
904 | ||
905 | yy_cp += dest - source; | |
906 | yy_bp += dest - source; | |
907 | yy_n_chars = yy_current_buffer->yy_buf_size; | |
908 | ||
909 | if ( yy_cp < yy_current_buffer->yy_ch_buf + 2 ) | |
910 | YY_FATAL_ERROR( "flex scanner push-back overflow" ); | |
911 | } | |
912 | ||
913 | if ( yy_cp > yy_bp && yy_cp[-1] == '\n' ) | |
914 | yy_cp[-2] = '\n'; | |
915 | ||
916 | *--yy_cp = c; | |
917 | ||
918 | /* note: the formal parameter *must* be called "yy_bp" for this | |
919 | * macro to now work correctly | |
920 | */ | |
921 | YY_DO_BEFORE_ACTION; /* set up yytext again */ | |
922 | } | |
923 | ||
924 | ||
925 | #ifdef __cplusplus | |
926 | static int yyinput() | |
927 | #else | |
928 | static int input() | |
929 | #endif | |
930 | ||
931 | { | |
932 | int c; | |
933 | YY_CHAR *yy_cp = yy_c_buf_p; | |
934 | ||
935 | *yy_cp = yy_hold_char; | |
936 | ||
937 | if ( *yy_c_buf_p == YY_END_OF_BUFFER_CHAR ) | |
938 | { | |
939 | /* yy_c_buf_p now points to the character we want to return. | |
940 | * If this occurs *before* the EOB characters, then it's a | |
941 | * valid NUL; if not, then we've hit the end of the buffer. | |
942 | */ | |
943 | if ( yy_c_buf_p < &yy_current_buffer->yy_ch_buf[yy_n_chars] ) | |
944 | /* this was really a NUL */ | |
945 | *yy_c_buf_p = '\0'; | |
946 | ||
947 | else | |
948 | { /* need more input */ | |
949 | yytext = yy_c_buf_p; | |
950 | ++yy_c_buf_p; | |
951 | ||
952 | switch ( yy_get_next_buffer() ) | |
953 | { | |
954 | case EOB_ACT_END_OF_FILE: | |
955 | { | |
956 | if ( yywrap() ) | |
957 | { | |
958 | yy_c_buf_p = yytext + YY_MORE_ADJ; | |
959 | return ( EOF ); | |
960 | } | |
961 | ||
962 | YY_NEW_FILE; | |
963 | ||
964 | #ifdef __cplusplus | |
965 | return ( yyinput() ); | |
966 | #else | |
967 | return ( input() ); | |
968 | #endif | |
969 | } | |
970 | break; | |
971 | ||
972 | case EOB_ACT_CONTINUE_SCAN: | |
973 | yy_c_buf_p = yytext + YY_MORE_ADJ; | |
974 | break; | |
975 | ||
976 | case EOB_ACT_LAST_MATCH: | |
977 | #ifdef __cplusplus | |
978 | YY_FATAL_ERROR( "unexpected last match in yyinput()" ); | |
979 | #else | |
980 | YY_FATAL_ERROR( "unexpected last match in input()" ); | |
981 | #endif | |
982 | } | |
983 | } | |
984 | } | |
985 | ||
986 | c = *yy_c_buf_p; | |
987 | yy_hold_char = *++yy_c_buf_p; | |
988 | ||
989 | return ( c ); | |
990 | } | |
991 | ||
992 | ||
993 | #ifdef YY_USE_PROTOS | |
994 | void yyrestart( FILE *input_file ) | |
995 | #else | |
996 | void yyrestart( input_file ) | |
997 | FILE *input_file; | |
998 | #endif | |
999 | ||
1000 | { | |
1001 | yy_init_buffer( yy_current_buffer, input_file ); | |
1002 | yy_load_buffer_state(); | |
1003 | } | |
1004 | ||
1005 | ||
1006 | #ifdef YY_USE_PROTOS | |
1007 | void yy_switch_to_buffer( YY_BUFFER_STATE new_buffer ) | |
1008 | #else | |
1009 | void yy_switch_to_buffer( new_buffer ) | |
1010 | YY_BUFFER_STATE new_buffer; | |
1011 | #endif | |
1012 | ||
1013 | { | |
1014 | if ( yy_current_buffer == new_buffer ) | |
1015 | return; | |
1016 | ||
1017 | if ( yy_current_buffer ) | |
1018 | { | |
1019 | /* flush out information for old buffer */ | |
1020 | *yy_c_buf_p = yy_hold_char; | |
1021 | yy_current_buffer->yy_buf_pos = yy_c_buf_p; | |
1022 | yy_current_buffer->yy_n_chars = yy_n_chars; | |
1023 | } | |
1024 | ||
1025 | yy_current_buffer = new_buffer; | |
1026 | yy_load_buffer_state(); | |
1027 | ||
1028 | /* we don't actually know whether we did this switch during | |
1029 | * EOF (yywrap()) processing, but the only time this flag | |
1030 | * is looked at is after yywrap() is called, so it's safe | |
1031 | * to go ahead and always set it. | |
1032 | */ | |
1033 | yy_did_buffer_switch_on_eof = 1; | |
1034 | } | |
1035 | ||
1036 | ||
1037 | #ifdef YY_USE_PROTOS | |
1038 | void yy_load_buffer_state( void ) | |
1039 | #else | |
1040 | void yy_load_buffer_state() | |
1041 | #endif | |
1042 | ||
1043 | { | |
1044 | yy_n_chars = yy_current_buffer->yy_n_chars; | |
1045 | yytext = yy_c_buf_p = yy_current_buffer->yy_buf_pos; | |
1046 | yyin = yy_current_buffer->yy_input_file; | |
1047 | yy_hold_char = *yy_c_buf_p; | |
1048 | } | |
1049 | ||
1050 | ||
1051 | #ifdef YY_USE_PROTOS | |
1052 | YY_BUFFER_STATE yy_create_buffer( FILE *file, int size ) | |
1053 | #else | |
1054 | YY_BUFFER_STATE yy_create_buffer( file, size ) | |
1055 | FILE *file; | |
1056 | int size; | |
1057 | #endif | |
1058 | ||
1059 | { | |
1060 | YY_BUFFER_STATE b; | |
1061 | ||
1062 | b = (YY_BUFFER_STATE) malloc( sizeof( struct yy_buffer_state ) ); | |
1063 | ||
1064 | if ( ! b ) | |
1065 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
1066 | ||
1067 | b->yy_buf_size = size; | |
1068 | ||
1069 | /* yy_ch_buf has to be 2 characters longer than the size given because | |
1070 | * we need to put in 2 end-of-buffer characters. | |
1071 | */ | |
1072 | b->yy_ch_buf = (YY_CHAR *) malloc( (unsigned) (b->yy_buf_size + 2) ); | |
1073 | ||
1074 | if ( ! b->yy_ch_buf ) | |
1075 | YY_FATAL_ERROR( "out of dynamic memory in yy_create_buffer()" ); | |
1076 | ||
1077 | yy_init_buffer( b, file ); | |
1078 | ||
1079 | return ( b ); | |
1080 | } | |
1081 | ||
1082 | ||
1083 | #ifdef YY_USE_PROTOS | |
1084 | void yy_delete_buffer( YY_BUFFER_STATE b ) | |
1085 | #else | |
1086 | void yy_delete_buffer( b ) | |
1087 | YY_BUFFER_STATE b; | |
1088 | #endif | |
1089 | ||
1090 | { | |
1091 | if ( b == yy_current_buffer ) | |
1092 | yy_current_buffer = (YY_BUFFER_STATE) 0; | |
1093 | ||
1094 | free( (char *) b->yy_ch_buf ); | |
1095 | free( (char *) b ); | |
1096 | } | |
1097 | ||
1098 | ||
1099 | #ifdef YY_USE_PROTOS | |
1100 | void yy_init_buffer( YY_BUFFER_STATE b, FILE *file ) | |
1101 | #else | |
1102 | void yy_init_buffer( b, file ) | |
1103 | YY_BUFFER_STATE b; | |
1104 | FILE *file; | |
1105 | #endif | |
1106 | ||
1107 | { | |
1108 | b->yy_input_file = file; | |
1109 | ||
1110 | /* we put in the '\n' and start reading from [1] so that an | |
1111 | * initial match-at-newline will be true. | |
1112 | */ | |
1113 | ||
1114 | b->yy_ch_buf[0] = '\n'; | |
1115 | b->yy_n_chars = 1; | |
1116 | ||
1117 | /* we always need two end-of-buffer characters. The first causes | |
1118 | * a transition to the end-of-buffer state. The second causes | |
1119 | * a jam in that state. | |
1120 | */ | |
1121 | b->yy_ch_buf[1] = YY_END_OF_BUFFER_CHAR; | |
1122 | b->yy_ch_buf[2] = YY_END_OF_BUFFER_CHAR; | |
1123 | ||
1124 | b->yy_buf_pos = &b->yy_ch_buf[1]; | |
1125 | ||
1126 | b->yy_eof_status = EOF_NOT_SEEN; | |
1127 | } | |
1128 | # line 108 "lexer.l" | |
1129 | ||
1130 | ||
1131 | ||
1132 | #ifdef FLEX_SCANNER | |
1133 | static int lex_input() { | |
1134 | return input(); | |
1135 | } | |
1136 | #else /* BSD/AT&T lex */ | |
1137 | #ifndef input | |
1138 | # error "Sorry, but need either flex or AT&T lex" | |
1139 | #endif | |
1140 | static int lex_input() { | |
1141 | return input(); | |
1142 | } | |
1143 | /* # undef unput | |
1144 | # define unput(_c) my_unput(_c) | |
1145 | */ | |
1146 | ||
1147 | # undef input | |
1148 | # define input() my_input() | |
1149 | static int my_unput(char c) | |
1150 | { | |
1151 | if (lex_read_from_string) { | |
1152 | /* Make sure we have something */ | |
1153 | if (lex_string_ptr) { | |
1154 | if (c == '\n') yylineno--; | |
1155 | lex_string_ptr--; | |
1156 | } | |
1157 | } else { | |
1158 | yytchar= (c);if(yytchar=='\n')yylineno--;*yysptr++=yytchar; | |
1159 | /* unput(c); Causes infinite recursion! */ | |
1160 | } | |
1161 | return c; | |
1162 | } | |
1163 | ||
1164 | #endif | |
1165 | ||
1166 | /* Public */ | |
1167 | void LexFromFile(FILE *fd) | |
1168 | { | |
1169 | lex_read_from_string = 0; | |
1170 | yyin = fd; | |
1171 | /* Don't know why this is necessary, but otherwise | |
1172 | * lex only works _once_! | |
1173 | */ | |
1174 | #ifdef FLEX_SCANNER | |
1175 | yy_init = 1; | |
1176 | #endif | |
1177 | } | |
1178 | ||
1179 | void LexFromString(char *buffer) | |
1180 | { | |
1181 | lex_read_from_string = 1; | |
1182 | lex_buffer = buffer; | |
1183 | lex_buffer_length = strlen(buffer); | |
1184 | lex_string_ptr = 0; | |
1185 | /* Don't know why this is necessary, but otherwise | |
1186 | * lex only works _once_! | |
1187 | */ | |
1188 | #ifdef FLEX_SCANNER | |
1189 | yy_init = 1; | |
1190 | #endif | |
1191 | } | |
1192 | ||
1193 | static int my_input( void ) | |
1194 | { | |
1195 | if (lex_read_from_string) { | |
1196 | if (lex_string_ptr == lex_buffer_length) | |
1197 | return 0; | |
1198 | else { | |
1199 | char c = lex_buffer[lex_string_ptr++]; | |
1200 | #ifndef FLEX_SCANNER | |
1201 | if (c == '\n') yylineno++; | |
1202 | #endif | |
1203 | return c; | |
1204 | } | |
1205 | } else { | |
1206 | return lex_input(); | |
1207 | } | |
1208 | } | |
1209 | ||
1210 | void wxExprCleanUp() | |
1211 | { | |
1212 | if (yy_current_buffer) | |
1213 | yy_delete_buffer(yy_current_buffer); | |
1214 | } |