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14b0e578 CS |
1 | /**********************************************************************\r |
2 | regcomp.c - Oniguruma (regular expression library)\r | |
3 | **********************************************************************/\r | |
4 | /*-\r | |
b26691c4 | 5 | * Copyright (c) 2002-2019 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>\r |
14b0e578 CS |
6 | * All rights reserved.\r |
7 | *\r | |
14b0e578 CS |
8 | * Redistribution and use in source and binary forms, with or without\r |
9 | * modification, are permitted provided that the following conditions\r | |
10 | * are met:\r | |
11 | * 1. Redistributions of source code must retain the above copyright\r | |
12 | * notice, this list of conditions and the following disclaimer.\r | |
13 | * 2. Redistributions in binary form must reproduce the above copyright\r | |
14 | * notice, this list of conditions and the following disclaimer in the\r | |
15 | * documentation and/or other materials provided with the distribution.\r | |
16 | *\r | |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND\r | |
18 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE\r | |
19 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE\r | |
20 | * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE\r | |
21 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL\r | |
22 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS\r | |
23 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)\r | |
24 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT\r | |
25 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY\r | |
26 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF\r | |
27 | * SUCH DAMAGE.\r | |
28 | */\r | |
29 | \r | |
30 | #include "regparse.h"\r | |
31 | \r | |
b26691c4 LG |
32 | #define OPS_INIT_SIZE 8\r |
33 | \r | |
14b0e578 CS |
34 | OnigCaseFoldType OnigDefaultCaseFoldFlag = ONIGENC_CASE_FOLD_MIN;\r |
35 | \r | |
b602265d DG |
36 | #if 0\r |
37 | typedef struct {\r | |
38 | int n;\r | |
39 | int alloc;\r | |
40 | int* v;\r | |
41 | } int_stack;\r | |
42 | \r | |
43 | static int\r | |
44 | make_int_stack(int_stack** rs, int init_size)\r | |
45 | {\r | |
46 | int_stack* s;\r | |
47 | int* v;\r | |
48 | \r | |
49 | *rs = 0;\r | |
50 | \r | |
51 | s = xmalloc(sizeof(*s));\r | |
52 | if (IS_NULL(s)) return ONIGERR_MEMORY;\r | |
53 | \r | |
54 | v = (int* )xmalloc(sizeof(int) * init_size);\r | |
55 | if (IS_NULL(v)) {\r | |
56 | xfree(s);\r | |
57 | return ONIGERR_MEMORY;\r | |
58 | }\r | |
59 | \r | |
60 | s->n = 0;\r | |
61 | s->alloc = init_size;\r | |
62 | s->v = v;\r | |
63 | \r | |
64 | *rs = s;\r | |
65 | return ONIG_NORMAL;\r | |
66 | }\r | |
67 | \r | |
68 | static void\r | |
69 | free_int_stack(int_stack* s)\r | |
70 | {\r | |
71 | if (IS_NOT_NULL(s)) {\r | |
72 | if (IS_NOT_NULL(s->v))\r | |
73 | xfree(s->v);\r | |
74 | xfree(s);\r | |
75 | }\r | |
76 | }\r | |
77 | \r | |
78 | static int\r | |
79 | int_stack_push(int_stack* s, int v)\r | |
80 | {\r | |
81 | if (s->n >= s->alloc) {\r | |
82 | int new_size = s->alloc * 2;\r | |
b26691c4 | 83 | int* nv = (int* )xrealloc(s->v, sizeof(int) * new_size, sizeof(int) * s->alloc);\r |
b602265d DG |
84 | if (IS_NULL(nv)) return ONIGERR_MEMORY;\r |
85 | \r | |
86 | s->alloc = new_size;\r | |
87 | s->v = nv;\r | |
88 | }\r | |
89 | \r | |
90 | s->v[s->n] = v;\r | |
91 | s->n++;\r | |
92 | return ONIG_NORMAL;\r | |
93 | }\r | |
94 | \r | |
95 | static int\r | |
96 | int_stack_pop(int_stack* s)\r | |
97 | {\r | |
98 | int v;\r | |
99 | \r | |
100 | #ifdef ONIG_DEBUG\r | |
101 | if (s->n <= 0) {\r | |
102 | fprintf(stderr, "int_stack_pop: fail empty. %p\n", s);\r | |
103 | return 0;\r | |
104 | }\r | |
105 | #endif\r | |
106 | \r | |
107 | v = s->v[s->n];\r | |
108 | s->n--;\r | |
109 | return v;\r | |
110 | }\r | |
111 | #endif\r | |
112 | \r | |
b26691c4 LG |
113 | static int\r |
114 | ops_init(regex_t* reg, int init_alloc_size)\r | |
115 | {\r | |
116 | Operation* p;\r | |
117 | size_t size;\r | |
118 | \r | |
119 | if (init_alloc_size > 0) {\r | |
120 | size = sizeof(Operation) * init_alloc_size;\r | |
121 | p = (Operation* )xmalloc(size);\r | |
122 | CHECK_NULL_RETURN_MEMERR(p);\r | |
123 | #ifdef USE_DIRECT_THREADED_CODE\r | |
124 | {\r | |
125 | enum OpCode* cp;\r | |
126 | size = sizeof(enum OpCode) * init_alloc_size;\r | |
127 | cp = (enum OpCode* )xmalloc(size);\r | |
128 | CHECK_NULL_RETURN_MEMERR(cp);\r | |
129 | reg->ocs = cp;\r | |
130 | }\r | |
131 | #endif\r | |
132 | }\r | |
133 | else {\r | |
134 | p = (Operation* )0;\r | |
135 | #ifdef USE_DIRECT_THREADED_CODE\r | |
136 | reg->ocs = (enum OpCode* )0;\r | |
137 | #endif\r | |
138 | }\r | |
139 | \r | |
140 | reg->ops = p;\r | |
141 | reg->ops_curr = 0; /* !!! not yet done ops_new() */\r | |
142 | reg->ops_alloc = init_alloc_size;\r | |
143 | reg->ops_used = 0;\r | |
144 | \r | |
145 | return ONIG_NORMAL;\r | |
146 | }\r | |
147 | \r | |
148 | static int\r | |
149 | ops_expand(regex_t* reg, int n)\r | |
150 | {\r | |
151 | #define MIN_OPS_EXPAND_SIZE 4\r | |
152 | \r | |
153 | #ifdef USE_DIRECT_THREADED_CODE\r | |
154 | enum OpCode* cp;\r | |
155 | #endif\r | |
156 | Operation* p;\r | |
157 | size_t size;\r | |
158 | \r | |
159 | if (n <= 0) n = MIN_OPS_EXPAND_SIZE;\r | |
160 | \r | |
161 | n += reg->ops_alloc;\r | |
162 | \r | |
163 | size = sizeof(Operation) * n;\r | |
164 | p = (Operation* )xrealloc(reg->ops, size, sizeof(Operation) * reg->ops_alloc);\r | |
165 | CHECK_NULL_RETURN_MEMERR(p);\r | |
166 | \r | |
167 | #ifdef USE_DIRECT_THREADED_CODE\r | |
168 | size = sizeof(enum OpCode) * n;\r | |
169 | cp = (enum OpCode* )xrealloc(reg->ocs, size, sizeof(enum OpCode) * reg->ops_alloc);\r | |
170 | CHECK_NULL_RETURN_MEMERR(cp);\r | |
171 | reg->ocs = cp;\r | |
172 | #endif\r | |
173 | \r | |
174 | reg->ops = p;\r | |
175 | reg->ops_alloc = n;\r | |
176 | if (reg->ops_used == 0)\r | |
177 | reg->ops_curr = 0;\r | |
178 | else\r | |
179 | reg->ops_curr = reg->ops + (reg->ops_used - 1);\r | |
180 | \r | |
181 | return ONIG_NORMAL;\r | |
182 | }\r | |
183 | \r | |
184 | static int\r | |
185 | ops_new(regex_t* reg)\r | |
186 | {\r | |
187 | int r;\r | |
188 | \r | |
189 | if (reg->ops_used >= reg->ops_alloc) {\r | |
190 | r = ops_expand(reg, reg->ops_alloc);\r | |
191 | if (r != ONIG_NORMAL) return r;\r | |
192 | }\r | |
193 | \r | |
194 | reg->ops_curr = reg->ops + reg->ops_used;\r | |
195 | reg->ops_used++;\r | |
196 | \r | |
197 | xmemset(reg->ops_curr, 0, sizeof(Operation));\r | |
198 | return ONIG_NORMAL;\r | |
199 | }\r | |
200 | \r | |
201 | static int\r | |
202 | is_in_string_pool(regex_t* reg, UChar* s)\r | |
203 | {\r | |
204 | return (s >= reg->string_pool && s < reg->string_pool_end);\r | |
205 | }\r | |
206 | \r | |
207 | static void\r | |
208 | ops_free(regex_t* reg)\r | |
209 | {\r | |
210 | int i;\r | |
211 | \r | |
212 | if (IS_NULL(reg->ops)) return ;\r | |
213 | \r | |
214 | for (i = 0; i < (int )reg->ops_used; i++) {\r | |
215 | enum OpCode opcode;\r | |
216 | Operation* op;\r | |
217 | \r | |
218 | op = reg->ops + i;\r | |
219 | \r | |
220 | #ifdef USE_DIRECT_THREADED_CODE\r | |
221 | opcode = *(reg->ocs + i);\r | |
222 | #else\r | |
223 | opcode = op->opcode;\r | |
224 | #endif\r | |
225 | \r | |
226 | switch (opcode) {\r | |
227 | case OP_EXACTMBN:\r | |
228 | if (! is_in_string_pool(reg, op->exact_len_n.s))\r | |
229 | xfree(op->exact_len_n.s);\r | |
230 | break;\r | |
231 | case OP_EXACTN: case OP_EXACTMB2N: case OP_EXACTMB3N: case OP_EXACTN_IC:\r | |
232 | if (! is_in_string_pool(reg, op->exact_n.s))\r | |
233 | xfree(op->exact_n.s);\r | |
234 | break;\r | |
235 | case OP_EXACT1: case OP_EXACT2: case OP_EXACT3: case OP_EXACT4:\r | |
236 | case OP_EXACT5: case OP_EXACTMB2N1: case OP_EXACTMB2N2:\r | |
237 | case OP_EXACTMB2N3: case OP_EXACT1_IC:\r | |
238 | break;\r | |
239 | \r | |
240 | case OP_CCLASS_NOT: case OP_CCLASS:\r | |
241 | xfree(op->cclass.bsp);\r | |
242 | break;\r | |
243 | \r | |
244 | case OP_CCLASS_MB_NOT: case OP_CCLASS_MB:\r | |
245 | xfree(op->cclass_mb.mb);\r | |
246 | break;\r | |
247 | case OP_CCLASS_MIX_NOT: case OP_CCLASS_MIX:\r | |
248 | xfree(op->cclass_mix.mb);\r | |
249 | xfree(op->cclass_mix.bsp);\r | |
250 | break;\r | |
251 | \r | |
252 | case OP_BACKREF1: case OP_BACKREF2: case OP_BACKREF_N: case OP_BACKREF_N_IC:\r | |
253 | break;\r | |
254 | case OP_BACKREF_MULTI: case OP_BACKREF_MULTI_IC:\r | |
255 | case OP_BACKREF_WITH_LEVEL:\r | |
256 | case OP_BACKREF_WITH_LEVEL_IC:\r | |
257 | case OP_BACKREF_CHECK:\r | |
258 | case OP_BACKREF_CHECK_WITH_LEVEL:\r | |
259 | if (op->backref_general.num != 1)\r | |
260 | xfree(op->backref_general.ns);\r | |
261 | break;\r | |
262 | \r | |
263 | default:\r | |
264 | break;\r | |
265 | }\r | |
266 | }\r | |
267 | \r | |
268 | xfree(reg->ops);\r | |
269 | #ifdef USE_DIRECT_THREADED_CODE\r | |
270 | xfree(reg->ocs);\r | |
271 | reg->ocs = 0;\r | |
272 | #endif\r | |
273 | \r | |
274 | reg->ops = 0;\r | |
275 | reg->ops_curr = 0;\r | |
276 | reg->ops_alloc = 0;\r | |
277 | reg->ops_used = 0;\r | |
278 | }\r | |
279 | \r | |
280 | static int\r | |
281 | ops_calc_size_of_string_pool(regex_t* reg)\r | |
282 | {\r | |
283 | int i;\r | |
284 | int total;\r | |
285 | \r | |
286 | if (IS_NULL(reg->ops)) return 0;\r | |
287 | \r | |
288 | total = 0;\r | |
289 | for (i = 0; i < (int )reg->ops_used; i++) {\r | |
290 | enum OpCode opcode;\r | |
291 | Operation* op;\r | |
292 | \r | |
293 | op = reg->ops + i;\r | |
294 | #ifdef USE_DIRECT_THREADED_CODE\r | |
295 | opcode = *(reg->ocs + i);\r | |
296 | #else\r | |
297 | opcode = op->opcode;\r | |
298 | #endif\r | |
299 | \r | |
300 | switch (opcode) {\r | |
301 | case OP_EXACTMBN:\r | |
302 | total += op->exact_len_n.len * op->exact_len_n.n;\r | |
303 | break;\r | |
304 | case OP_EXACTN:\r | |
305 | case OP_EXACTN_IC:\r | |
306 | total += op->exact_n.n;\r | |
307 | break;\r | |
308 | case OP_EXACTMB2N:\r | |
309 | total += op->exact_n.n * 2;\r | |
310 | break;\r | |
311 | case OP_EXACTMB3N:\r | |
312 | total += op->exact_n.n * 3;\r | |
313 | break;\r | |
314 | \r | |
315 | default:\r | |
316 | break;\r | |
317 | }\r | |
318 | }\r | |
319 | \r | |
320 | return total;\r | |
321 | }\r | |
322 | \r | |
323 | static int\r | |
324 | ops_make_string_pool(regex_t* reg)\r | |
325 | {\r | |
326 | int i;\r | |
327 | int len;\r | |
328 | int size;\r | |
329 | UChar* pool;\r | |
330 | UChar* curr;\r | |
331 | \r | |
332 | size = ops_calc_size_of_string_pool(reg);\r | |
333 | if (size <= 0) {\r | |
334 | return 0;\r | |
335 | }\r | |
336 | \r | |
337 | curr = pool = (UChar* )xmalloc((size_t )size);\r | |
338 | CHECK_NULL_RETURN_MEMERR(pool);\r | |
339 | \r | |
340 | for (i = 0; i < (int )reg->ops_used; i++) {\r | |
341 | enum OpCode opcode;\r | |
342 | Operation* op;\r | |
343 | \r | |
344 | op = reg->ops + i;\r | |
345 | #ifdef USE_DIRECT_THREADED_CODE\r | |
346 | opcode = *(reg->ocs + i);\r | |
347 | #else\r | |
348 | opcode = op->opcode;\r | |
349 | #endif\r | |
350 | \r | |
351 | switch (opcode) {\r | |
352 | case OP_EXACTMBN:\r | |
353 | len = op->exact_len_n.len * op->exact_len_n.n;\r | |
354 | xmemcpy(curr, op->exact_len_n.s, len);\r | |
355 | xfree(op->exact_len_n.s);\r | |
356 | op->exact_len_n.s = curr;\r | |
357 | curr += len;\r | |
358 | break;\r | |
359 | case OP_EXACTN:\r | |
360 | case OP_EXACTN_IC:\r | |
361 | len = op->exact_n.n;\r | |
362 | copy:\r | |
363 | xmemcpy(curr, op->exact_n.s, len);\r | |
364 | xfree(op->exact_n.s);\r | |
365 | op->exact_n.s = curr;\r | |
366 | curr += len;\r | |
367 | break;\r | |
368 | case OP_EXACTMB2N:\r | |
369 | len = op->exact_n.n * 2;\r | |
370 | goto copy;\r | |
371 | break;\r | |
372 | case OP_EXACTMB3N:\r | |
373 | len = op->exact_n.n * 3;\r | |
374 | goto copy;\r | |
375 | break;\r | |
376 | \r | |
377 | default:\r | |
378 | break;\r | |
379 | }\r | |
380 | }\r | |
381 | \r | |
382 | reg->string_pool = pool;\r | |
383 | reg->string_pool_end = pool + size;\r | |
384 | return 0;\r | |
385 | }\r | |
386 | \r | |
14b0e578 CS |
387 | extern OnigCaseFoldType\r |
388 | onig_get_default_case_fold_flag(void)\r | |
389 | {\r | |
390 | return OnigDefaultCaseFoldFlag;\r | |
391 | }\r | |
392 | \r | |
393 | extern int\r | |
394 | onig_set_default_case_fold_flag(OnigCaseFoldType case_fold_flag)\r | |
395 | {\r | |
396 | OnigDefaultCaseFoldFlag = case_fold_flag;\r | |
397 | return 0;\r | |
398 | }\r | |
399 | \r | |
b602265d DG |
400 | static int\r |
401 | int_multiply_cmp(int x, int y, int v)\r | |
14b0e578 | 402 | {\r |
b602265d | 403 | if (x == 0 || y == 0) return -1;\r |
14b0e578 | 404 | \r |
b602265d DG |
405 | if (x < INT_MAX / y) {\r |
406 | int xy = x * y;\r | |
407 | if (xy > v) return 1;\r | |
408 | else {\r | |
409 | if (xy == v) return 0;\r | |
410 | else return -1;\r | |
411 | }\r | |
14b0e578 | 412 | }\r |
b602265d DG |
413 | else\r |
414 | return 1;\r | |
14b0e578 CS |
415 | }\r |
416 | \r | |
b26691c4 LG |
417 | extern int\r |
418 | onig_positive_int_multiply(int x, int y)\r | |
419 | {\r | |
420 | if (x == 0 || y == 0) return 0;\r | |
421 | \r | |
422 | if (x < INT_MAX / y)\r | |
423 | return x * y;\r | |
424 | else\r | |
425 | return -1;\r | |
426 | }\r | |
b602265d | 427 | \r |
b602265d | 428 | \r |
14b0e578 CS |
429 | static void\r |
430 | swap_node(Node* a, Node* b)\r | |
431 | {\r | |
432 | Node c;\r | |
14b0e578 | 433 | \r |
b602265d DG |
434 | c = *a; *a = *b; *b = c;\r |
435 | \r | |
436 | if (NODE_TYPE(a) == NODE_STRING) {\r | |
437 | StrNode* sn = STR_(a);\r | |
b26691c4 | 438 | if (sn->capacity == 0) {\r |
b602265d | 439 | int len = (int )(sn->end - sn->s);\r |
14b0e578 CS |
440 | sn->s = sn->buf;\r |
441 | sn->end = sn->s + len;\r | |
442 | }\r | |
443 | }\r | |
444 | \r | |
b602265d DG |
445 | if (NODE_TYPE(b) == NODE_STRING) {\r |
446 | StrNode* sn = STR_(b);\r | |
b26691c4 | 447 | if (sn->capacity == 0) {\r |
b602265d | 448 | int len = (int )(sn->end - sn->s);\r |
14b0e578 CS |
449 | sn->s = sn->buf;\r |
450 | sn->end = sn->s + len;\r | |
451 | }\r | |
452 | }\r | |
453 | }\r | |
454 | \r | |
b602265d DG |
455 | static OnigLen\r |
456 | distance_add(OnigLen d1, OnigLen d2)\r | |
14b0e578 | 457 | {\r |
b602265d DG |
458 | if (d1 == INFINITE_LEN || d2 == INFINITE_LEN)\r |
459 | return INFINITE_LEN;\r | |
14b0e578 | 460 | else {\r |
b602265d DG |
461 | if (d1 <= INFINITE_LEN - d2) return d1 + d2;\r |
462 | else return INFINITE_LEN;\r | |
14b0e578 CS |
463 | }\r |
464 | }\r | |
465 | \r | |
b602265d DG |
466 | static OnigLen\r |
467 | distance_multiply(OnigLen d, int m)\r | |
14b0e578 CS |
468 | {\r |
469 | if (m == 0) return 0;\r | |
470 | \r | |
b602265d | 471 | if (d < INFINITE_LEN / m)\r |
14b0e578 CS |
472 | return d * m;\r |
473 | else\r | |
b602265d | 474 | return INFINITE_LEN;\r |
14b0e578 CS |
475 | }\r |
476 | \r | |
477 | static int\r | |
478 | bitset_is_empty(BitSetRef bs)\r | |
479 | {\r | |
480 | int i;\r | |
b602265d | 481 | \r |
14b0e578 CS |
482 | for (i = 0; i < (int )BITSET_SIZE; i++) {\r |
483 | if (bs[i] != 0) return 0;\r | |
484 | }\r | |
485 | return 1;\r | |
486 | }\r | |
487 | \r | |
b602265d | 488 | #ifdef USE_CALL\r |
14b0e578 CS |
489 | \r |
490 | static int\r | |
b602265d | 491 | unset_addr_list_init(UnsetAddrList* list, int size)\r |
14b0e578 | 492 | {\r |
b602265d | 493 | UnsetAddr* p = (UnsetAddr* )xmalloc(sizeof(UnsetAddr)* size);\r |
14b0e578 | 494 | CHECK_NULL_RETURN_MEMERR(p);\r |
b602265d DG |
495 | \r |
496 | list->num = 0;\r | |
497 | list->alloc = size;\r | |
498 | list->us = p;\r | |
14b0e578 CS |
499 | return 0;\r |
500 | }\r | |
501 | \r | |
502 | static void\r | |
b602265d | 503 | unset_addr_list_end(UnsetAddrList* list)\r |
14b0e578 | 504 | {\r |
b602265d DG |
505 | if (IS_NOT_NULL(list->us))\r |
506 | xfree(list->us);\r | |
14b0e578 CS |
507 | }\r |
508 | \r | |
509 | static int\r | |
b602265d | 510 | unset_addr_list_add(UnsetAddrList* list, int offset, struct _Node* node)\r |
14b0e578 CS |
511 | {\r |
512 | UnsetAddr* p;\r | |
513 | int size;\r | |
514 | \r | |
b602265d DG |
515 | if (list->num >= list->alloc) {\r |
516 | size = list->alloc * 2;\r | |
517 | p = (UnsetAddr* )xrealloc(list->us, sizeof(UnsetAddr) * size, sizeof(UnsetAddr)* list->alloc);\r | |
14b0e578 | 518 | CHECK_NULL_RETURN_MEMERR(p);\r |
b602265d DG |
519 | list->alloc = size;\r |
520 | list->us = p;\r | |
14b0e578 CS |
521 | }\r |
522 | \r | |
b602265d DG |
523 | list->us[list->num].offset = offset;\r |
524 | list->us[list->num].target = node;\r | |
525 | list->num++;\r | |
14b0e578 CS |
526 | return 0;\r |
527 | }\r | |
b602265d | 528 | #endif /* USE_CALL */\r |
14b0e578 CS |
529 | \r |
530 | \r | |
531 | static int\r | |
b26691c4 | 532 | add_op(regex_t* reg, int opcode)\r |
14b0e578 CS |
533 | {\r |
534 | int r;\r | |
535 | \r | |
b26691c4 LG |
536 | r = ops_new(reg);\r |
537 | if (r != ONIG_NORMAL) return r;\r | |
14b0e578 | 538 | \r |
b26691c4 LG |
539 | #ifdef USE_DIRECT_THREADED_CODE\r |
540 | *(reg->ocs + (reg->ops_curr - reg->ops)) = opcode;\r | |
541 | #else\r | |
542 | reg->ops_curr->opcode = opcode;\r | |
543 | #endif\r | |
b602265d | 544 | \r |
b602265d DG |
545 | return 0;\r |
546 | }\r | |
547 | \r | |
14b0e578 | 548 | static int compile_length_tree(Node* node, regex_t* reg);\r |
b602265d | 549 | static int compile_tree(Node* node, regex_t* reg, ScanEnv* env);\r |
14b0e578 CS |
550 | \r |
551 | \r | |
552 | #define IS_NEED_STR_LEN_OP_EXACT(op) \\r | |
553 | ((op) == OP_EXACTN || (op) == OP_EXACTMB2N ||\\r | |
554 | (op) == OP_EXACTMB3N || (op) == OP_EXACTMBN || (op) == OP_EXACTN_IC)\r | |
555 | \r | |
556 | static int\r | |
557 | select_str_opcode(int mb_len, int str_len, int ignore_case)\r | |
558 | {\r | |
559 | int op;\r | |
560 | \r | |
561 | if (ignore_case) {\r | |
562 | switch (str_len) {\r | |
563 | case 1: op = OP_EXACT1_IC; break;\r | |
564 | default: op = OP_EXACTN_IC; break;\r | |
565 | }\r | |
566 | }\r | |
567 | else {\r | |
568 | switch (mb_len) {\r | |
569 | case 1:\r | |
570 | switch (str_len) {\r | |
571 | case 1: op = OP_EXACT1; break;\r | |
572 | case 2: op = OP_EXACT2; break;\r | |
573 | case 3: op = OP_EXACT3; break;\r | |
574 | case 4: op = OP_EXACT4; break;\r | |
575 | case 5: op = OP_EXACT5; break;\r | |
576 | default: op = OP_EXACTN; break;\r | |
577 | }\r | |
578 | break;\r | |
579 | \r | |
580 | case 2:\r | |
581 | switch (str_len) {\r | |
582 | case 1: op = OP_EXACTMB2N1; break;\r | |
583 | case 2: op = OP_EXACTMB2N2; break;\r | |
584 | case 3: op = OP_EXACTMB2N3; break;\r | |
585 | default: op = OP_EXACTMB2N; break;\r | |
586 | }\r | |
587 | break;\r | |
588 | \r | |
589 | case 3:\r | |
590 | op = OP_EXACTMB3N;\r | |
591 | break;\r | |
592 | \r | |
593 | default:\r | |
594 | op = OP_EXACTMBN;\r | |
595 | break;\r | |
596 | }\r | |
597 | }\r | |
598 | return op;\r | |
599 | }\r | |
600 | \r | |
601 | static int\r | |
b26691c4 LG |
602 | is_strict_real_node(Node* node)\r |
603 | {\r | |
604 | switch (NODE_TYPE(node)) {\r | |
605 | case NODE_STRING:\r | |
606 | {\r | |
607 | StrNode* sn = STR_(node);\r | |
608 | return (sn->end != sn->s);\r | |
609 | }\r | |
610 | break;\r | |
611 | \r | |
612 | case NODE_CCLASS:\r | |
613 | case NODE_CTYPE:\r | |
614 | return 1;\r | |
615 | break;\r | |
616 | \r | |
617 | default:\r | |
618 | return 0;\r | |
619 | break;\r | |
620 | }\r | |
621 | }\r | |
622 | \r | |
623 | static int\r | |
624 | compile_tree_empty_check(Node* node, regex_t* reg, int emptiness, ScanEnv* env)\r | |
14b0e578 CS |
625 | {\r |
626 | int r;\r | |
627 | int saved_num_null_check = reg->num_null_check;\r | |
628 | \r | |
b26691c4 LG |
629 | if (emptiness != BODY_IS_NOT_EMPTY) {\r |
630 | r = add_op(reg, OP_EMPTY_CHECK_START);\r | |
b602265d | 631 | if (r != 0) return r;\r |
b26691c4 | 632 | COP(reg)->empty_check_start.mem = reg->num_null_check; /* NULL CHECK ID */\r |
14b0e578 CS |
633 | reg->num_null_check++;\r |
634 | }\r | |
635 | \r | |
b602265d DG |
636 | r = compile_tree(node, reg, env);\r |
637 | if (r != 0) return r;\r | |
14b0e578 | 638 | \r |
b26691c4 LG |
639 | if (emptiness != BODY_IS_NOT_EMPTY) {\r |
640 | if (emptiness == BODY_IS_EMPTY_POSSIBILITY)\r | |
641 | r = add_op(reg, OP_EMPTY_CHECK_END);\r | |
642 | else if (emptiness == BODY_IS_EMPTY_POSSIBILITY_MEM)\r | |
643 | r = add_op(reg, OP_EMPTY_CHECK_END_MEMST);\r | |
644 | else if (emptiness == BODY_IS_EMPTY_POSSIBILITY_REC)\r | |
645 | r = add_op(reg, OP_EMPTY_CHECK_END_MEMST_PUSH);\r | |
14b0e578 | 646 | \r |
b602265d | 647 | if (r != 0) return r;\r |
b26691c4 | 648 | COP(reg)->empty_check_end.mem = saved_num_null_check; /* NULL CHECK ID */\r |
14b0e578 CS |
649 | }\r |
650 | return r;\r | |
651 | }\r | |
652 | \r | |
b602265d | 653 | #ifdef USE_CALL\r |
14b0e578 | 654 | static int\r |
b602265d | 655 | compile_call(CallNode* node, regex_t* reg, ScanEnv* env)\r |
14b0e578 CS |
656 | {\r |
657 | int r;\r | |
b26691c4 | 658 | int offset;\r |
14b0e578 | 659 | \r |
b26691c4 | 660 | r = add_op(reg, OP_CALL);\r |
b602265d | 661 | if (r != 0) return r;\r |
b26691c4 LG |
662 | \r |
663 | COP(reg)->call.addr = 0; /* dummy addr. */\r | |
664 | \r | |
665 | offset = COP_CURR_OFFSET_BYTES(reg, call.addr);\r | |
666 | r = unset_addr_list_add(env->unset_addr_list, offset, NODE_CALL_BODY(node));\r | |
14b0e578 CS |
667 | return r;\r |
668 | }\r | |
669 | #endif\r | |
670 | \r | |
671 | static int\r | |
b602265d | 672 | compile_tree_n_times(Node* node, int n, regex_t* reg, ScanEnv* env)\r |
14b0e578 CS |
673 | {\r |
674 | int i, r;\r | |
675 | \r | |
676 | for (i = 0; i < n; i++) {\r | |
b602265d DG |
677 | r = compile_tree(node, reg, env);\r |
678 | if (r != 0) return r;\r | |
14b0e578 CS |
679 | }\r |
680 | return 0;\r | |
681 | }\r | |
682 | \r | |
683 | static int\r | |
684 | add_compile_string_length(UChar* s ARG_UNUSED, int mb_len, int str_len,\r | |
685 | regex_t* reg ARG_UNUSED, int ignore_case)\r | |
686 | {\r | |
b26691c4 | 687 | return 1;\r |
14b0e578 CS |
688 | }\r |
689 | \r | |
690 | static int\r | |
691 | add_compile_string(UChar* s, int mb_len, int str_len,\r | |
692 | regex_t* reg, int ignore_case)\r | |
693 | {\r | |
b26691c4 LG |
694 | int op;\r |
695 | int r;\r | |
696 | int byte_len;\r | |
697 | UChar* p;\r | |
698 | UChar* end;\r | |
699 | \r | |
700 | op = select_str_opcode(mb_len, str_len, ignore_case);\r | |
701 | r = add_op(reg, op);\r | |
702 | if (r != 0) return r;\r | |
703 | \r | |
704 | byte_len = mb_len * str_len;\r | |
705 | end = s + byte_len;\r | |
14b0e578 | 706 | \r |
b26691c4 LG |
707 | if (op == OP_EXACTMBN) {\r |
708 | p = onigenc_strdup(reg->enc, s, end);\r | |
709 | CHECK_NULL_RETURN_MEMERR(p);\r | |
710 | \r | |
711 | COP(reg)->exact_len_n.len = mb_len;\r | |
712 | COP(reg)->exact_len_n.n = str_len;\r | |
713 | COP(reg)->exact_len_n.s = p;\r | |
714 | }\r | |
715 | else if (IS_NEED_STR_LEN_OP_EXACT(op)) {\r | |
716 | p = onigenc_strdup(reg->enc, s, end);\r | |
717 | CHECK_NULL_RETURN_MEMERR(p);\r | |
14b0e578 | 718 | \r |
14b0e578 | 719 | if (op == OP_EXACTN_IC)\r |
b26691c4 | 720 | COP(reg)->exact_n.n = byte_len;\r |
14b0e578 | 721 | else\r |
b26691c4 LG |
722 | COP(reg)->exact_n.n = str_len;\r |
723 | \r | |
724 | COP(reg)->exact_n.s = p;\r | |
725 | }\r | |
726 | else {\r | |
727 | xmemcpy(COP(reg)->exact.s, s, (size_t )byte_len);\r | |
728 | COP(reg)->exact.s[byte_len] = '\0';\r | |
14b0e578 CS |
729 | }\r |
730 | \r | |
14b0e578 CS |
731 | return 0;\r |
732 | }\r | |
733 | \r | |
14b0e578 CS |
734 | static int\r |
735 | compile_length_string_node(Node* node, regex_t* reg)\r | |
736 | {\r | |
737 | int rlen, r, len, prev_len, slen, ambig;\r | |
14b0e578 CS |
738 | UChar *p, *prev;\r |
739 | StrNode* sn;\r | |
b602265d | 740 | OnigEncoding enc = reg->enc;\r |
14b0e578 | 741 | \r |
b602265d | 742 | sn = STR_(node);\r |
14b0e578 CS |
743 | if (sn->end <= sn->s)\r |
744 | return 0;\r | |
745 | \r | |
b602265d | 746 | ambig = NODE_STRING_IS_AMBIG(node);\r |
14b0e578 CS |
747 | \r |
748 | p = prev = sn->s;\r | |
749 | prev_len = enclen(enc, p);\r | |
750 | p += prev_len;\r | |
751 | slen = 1;\r | |
752 | rlen = 0;\r | |
753 | \r | |
754 | for (; p < sn->end; ) {\r | |
755 | len = enclen(enc, p);\r | |
756 | if (len == prev_len) {\r | |
757 | slen++;\r | |
758 | }\r | |
759 | else {\r | |
760 | r = add_compile_string_length(prev, prev_len, slen, reg, ambig);\r | |
761 | rlen += r;\r | |
762 | prev = p;\r | |
763 | slen = 1;\r | |
764 | prev_len = len;\r | |
765 | }\r | |
766 | p += len;\r | |
767 | }\r | |
b602265d | 768 | \r |
14b0e578 CS |
769 | r = add_compile_string_length(prev, prev_len, slen, reg, ambig);\r |
770 | rlen += r;\r | |
771 | return rlen;\r | |
772 | }\r | |
773 | \r | |
774 | static int\r | |
775 | compile_length_string_raw_node(StrNode* sn, regex_t* reg)\r | |
776 | {\r | |
777 | if (sn->end <= sn->s)\r | |
778 | return 0;\r | |
779 | \r | |
b602265d DG |
780 | return add_compile_string_length(sn->s, 1 /* sb */, (int )(sn->end - sn->s),\r |
781 | reg, 0);\r | |
14b0e578 CS |
782 | }\r |
783 | \r | |
784 | static int\r | |
785 | compile_string_node(Node* node, regex_t* reg)\r | |
786 | {\r | |
787 | int r, len, prev_len, slen, ambig;\r | |
14b0e578 CS |
788 | UChar *p, *prev, *end;\r |
789 | StrNode* sn;\r | |
b602265d | 790 | OnigEncoding enc = reg->enc;\r |
14b0e578 | 791 | \r |
b602265d | 792 | sn = STR_(node);\r |
14b0e578 CS |
793 | if (sn->end <= sn->s)\r |
794 | return 0;\r | |
795 | \r | |
796 | end = sn->end;\r | |
b602265d | 797 | ambig = NODE_STRING_IS_AMBIG(node);\r |
14b0e578 CS |
798 | \r |
799 | p = prev = sn->s;\r | |
800 | prev_len = enclen(enc, p);\r | |
801 | p += prev_len;\r | |
802 | slen = 1;\r | |
803 | \r | |
804 | for (; p < end; ) {\r | |
805 | len = enclen(enc, p);\r | |
806 | if (len == prev_len) {\r | |
807 | slen++;\r | |
808 | }\r | |
809 | else {\r | |
810 | r = add_compile_string(prev, prev_len, slen, reg, ambig);\r | |
b602265d | 811 | if (r != 0) return r;\r |
14b0e578 CS |
812 | \r |
813 | prev = p;\r | |
814 | slen = 1;\r | |
815 | prev_len = len;\r | |
816 | }\r | |
817 | \r | |
818 | p += len;\r | |
819 | }\r | |
b602265d | 820 | \r |
14b0e578 CS |
821 | return add_compile_string(prev, prev_len, slen, reg, ambig);\r |
822 | }\r | |
823 | \r | |
824 | static int\r | |
825 | compile_string_raw_node(StrNode* sn, regex_t* reg)\r | |
826 | {\r | |
827 | if (sn->end <= sn->s)\r | |
828 | return 0;\r | |
829 | \r | |
b602265d | 830 | return add_compile_string(sn->s, 1 /* sb */, (int )(sn->end - sn->s), reg, 0);\r |
14b0e578 CS |
831 | }\r |
832 | \r | |
b26691c4 LG |
833 | static void*\r |
834 | set_multi_byte_cclass(BBuf* mbuf, regex_t* reg)\r | |
14b0e578 | 835 | {\r |
b26691c4 LG |
836 | size_t len;\r |
837 | void* p;\r | |
14b0e578 | 838 | \r |
b26691c4 LG |
839 | len = (size_t )mbuf->used;\r |
840 | p = xmalloc(len);\r | |
841 | if (IS_NULL(p)) return NULL;\r | |
14b0e578 | 842 | \r |
b26691c4 LG |
843 | xmemcpy(p, mbuf->p, len);\r |
844 | return p;\r | |
14b0e578 CS |
845 | }\r |
846 | \r | |
847 | static int\r | |
848 | compile_length_cclass_node(CClassNode* cc, regex_t* reg)\r | |
849 | {\r | |
b26691c4 | 850 | return 1;\r |
14b0e578 CS |
851 | }\r |
852 | \r | |
853 | static int\r | |
854 | compile_cclass_node(CClassNode* cc, regex_t* reg)\r | |
855 | {\r | |
856 | int r;\r | |
857 | \r | |
14b0e578 | 858 | if (IS_NULL(cc->mbuf)) {\r |
b26691c4 LG |
859 | r = add_op(reg, IS_NCCLASS_NOT(cc) ? OP_CCLASS_NOT : OP_CCLASS);\r |
860 | if (r != 0) return r;\r | |
14b0e578 | 861 | \r |
b26691c4 LG |
862 | COP(reg)->cclass.bsp = xmalloc(SIZE_BITSET);\r |
863 | CHECK_NULL_RETURN_MEMERR(COP(reg)->cclass.bsp);\r | |
864 | xmemcpy(COP(reg)->cclass.bsp, cc->bs, SIZE_BITSET);\r | |
14b0e578 CS |
865 | }\r |
866 | else {\r | |
b26691c4 LG |
867 | void* p;\r |
868 | \r | |
14b0e578 | 869 | if (ONIGENC_MBC_MINLEN(reg->enc) > 1 || bitset_is_empty(cc->bs)) {\r |
b26691c4 LG |
870 | r = add_op(reg, IS_NCCLASS_NOT(cc) ? OP_CCLASS_MB_NOT : OP_CCLASS_MB);\r |
871 | if (r != 0) return r;\r | |
14b0e578 | 872 | \r |
b26691c4 LG |
873 | p = set_multi_byte_cclass(cc->mbuf, reg);\r |
874 | CHECK_NULL_RETURN_MEMERR(p);\r | |
875 | COP(reg)->cclass_mb.mb = p;\r | |
14b0e578 CS |
876 | }\r |
877 | else {\r | |
b26691c4 | 878 | r = add_op(reg, IS_NCCLASS_NOT(cc) ? OP_CCLASS_MIX_NOT : OP_CCLASS_MIX);\r |
b602265d | 879 | if (r != 0) return r;\r |
b26691c4 LG |
880 | \r |
881 | COP(reg)->cclass_mix.bsp = xmalloc(SIZE_BITSET);\r | |
882 | CHECK_NULL_RETURN_MEMERR(COP(reg)->cclass_mix.bsp);\r | |
883 | xmemcpy(COP(reg)->cclass_mix.bsp, cc->bs, SIZE_BITSET);\r | |
884 | \r | |
885 | p = set_multi_byte_cclass(cc->mbuf, reg);\r | |
886 | CHECK_NULL_RETURN_MEMERR(p);\r | |
887 | COP(reg)->cclass_mix.mb = p;\r | |
14b0e578 CS |
888 | }\r |
889 | }\r | |
890 | \r | |
b26691c4 | 891 | return 0;\r |
14b0e578 CS |
892 | }\r |
893 | \r | |
894 | static int\r | |
895 | entry_repeat_range(regex_t* reg, int id, int lower, int upper)\r | |
896 | {\r | |
897 | #define REPEAT_RANGE_ALLOC 4\r | |
898 | \r | |
899 | OnigRepeatRange* p;\r | |
900 | \r | |
901 | if (reg->repeat_range_alloc == 0) {\r | |
902 | p = (OnigRepeatRange* )xmalloc(sizeof(OnigRepeatRange) * REPEAT_RANGE_ALLOC);\r | |
903 | CHECK_NULL_RETURN_MEMERR(p);\r | |
904 | reg->repeat_range = p;\r | |
905 | reg->repeat_range_alloc = REPEAT_RANGE_ALLOC;\r | |
906 | }\r | |
907 | else if (reg->repeat_range_alloc <= id) {\r | |
908 | int n;\r | |
909 | n = reg->repeat_range_alloc + REPEAT_RANGE_ALLOC;\r | |
910 | p = (OnigRepeatRange* )xrealloc(reg->repeat_range,\r | |
911 | sizeof(OnigRepeatRange) * n,\r | |
912 | sizeof(OnigRepeatRange) * reg->repeat_range_alloc);\r | |
913 | CHECK_NULL_RETURN_MEMERR(p);\r | |
914 | reg->repeat_range = p;\r | |
915 | reg->repeat_range_alloc = n;\r | |
916 | }\r | |
917 | else {\r | |
918 | p = reg->repeat_range;\r | |
919 | }\r | |
920 | \r | |
921 | p[id].lower = lower;\r | |
b26691c4 | 922 | p[id].upper = (IS_INFINITE_REPEAT(upper) ? 0x7fffffff : upper);\r |
14b0e578 CS |
923 | return 0;\r |
924 | }\r | |
925 | \r | |
926 | static int\r | |
b26691c4 | 927 | compile_range_repeat_node(QuantNode* qn, int target_len, int emptiness,\r |
b602265d | 928 | regex_t* reg, ScanEnv* env)\r |
14b0e578 CS |
929 | {\r |
930 | int r;\r | |
b26691c4 | 931 | int num_repeat = reg->num_repeat++;\r |
14b0e578 | 932 | \r |
b26691c4 | 933 | r = add_op(reg, qn->greedy ? OP_REPEAT : OP_REPEAT_NG);\r |
b602265d | 934 | if (r != 0) return r;\r |
14b0e578 | 935 | \r |
b26691c4 LG |
936 | COP(reg)->repeat.id = num_repeat;\r |
937 | COP(reg)->repeat.addr = SIZE_INC_OP + target_len + SIZE_OP_REPEAT_INC;\r | |
938 | \r | |
14b0e578 | 939 | r = entry_repeat_range(reg, num_repeat, qn->lower, qn->upper);\r |
b602265d | 940 | if (r != 0) return r;\r |
14b0e578 | 941 | \r |
b26691c4 | 942 | r = compile_tree_empty_check(NODE_QUANT_BODY(qn), reg, emptiness, env);\r |
b602265d | 943 | if (r != 0) return r;\r |
14b0e578 CS |
944 | \r |
945 | if (\r | |
b602265d DG |
946 | #ifdef USE_CALL\r |
947 | NODE_IS_IN_MULTI_ENTRY(qn) ||\r | |
14b0e578 | 948 | #endif\r |
b602265d | 949 | NODE_IS_IN_REAL_REPEAT(qn)) {\r |
b26691c4 | 950 | r = add_op(reg, qn->greedy ? OP_REPEAT_INC_SG : OP_REPEAT_INC_NG_SG);\r |
14b0e578 CS |
951 | }\r |
952 | else {\r | |
b26691c4 | 953 | r = add_op(reg, qn->greedy ? OP_REPEAT_INC : OP_REPEAT_INC_NG);\r |
14b0e578 | 954 | }\r |
b602265d | 955 | if (r != 0) return r;\r |
b26691c4 LG |
956 | \r |
957 | COP(reg)->repeat_inc.id = num_repeat;\r | |
14b0e578 CS |
958 | return r;\r |
959 | }\r | |
960 | \r | |
961 | static int\r | |
b602265d | 962 | is_anychar_infinite_greedy(QuantNode* qn)\r |
14b0e578 | 963 | {\r |
b26691c4 | 964 | if (qn->greedy && IS_INFINITE_REPEAT(qn->upper) &&\r |
b602265d | 965 | NODE_IS_ANYCHAR(NODE_QUANT_BODY(qn)))\r |
14b0e578 CS |
966 | return 1;\r |
967 | else\r | |
968 | return 0;\r | |
969 | }\r | |
970 | \r | |
b26691c4 | 971 | #define QUANTIFIER_EXPAND_LIMIT_SIZE 10\r |
14b0e578 CS |
972 | #define CKN_ON (ckn > 0)\r |
973 | \r | |
14b0e578 | 974 | static int\r |
b602265d | 975 | compile_length_quantifier_node(QuantNode* qn, regex_t* reg)\r |
14b0e578 CS |
976 | {\r |
977 | int len, mod_tlen;\r | |
b26691c4 LG |
978 | int infinite = IS_INFINITE_REPEAT(qn->upper);\r |
979 | enum BodyEmptyType emptiness = qn->emptiness;\r | |
b602265d | 980 | int tlen = compile_length_tree(NODE_QUANT_BODY(qn), reg);\r |
14b0e578 CS |
981 | \r |
982 | if (tlen < 0) return tlen;\r | |
b602265d | 983 | if (tlen == 0) return 0;\r |
14b0e578 CS |
984 | \r |
985 | /* anychar repeat */\r | |
b602265d DG |
986 | if (is_anychar_infinite_greedy(qn)) {\r |
987 | if (qn->lower <= 1 ||\r | |
988 | int_multiply_cmp(tlen, qn->lower, QUANTIFIER_EXPAND_LIMIT_SIZE) <= 0) {\r | |
14b0e578 CS |
989 | if (IS_NOT_NULL(qn->next_head_exact))\r |
990 | return SIZE_OP_ANYCHAR_STAR_PEEK_NEXT + tlen * qn->lower;\r | |
991 | else\r | |
992 | return SIZE_OP_ANYCHAR_STAR + tlen * qn->lower;\r | |
993 | }\r | |
994 | }\r | |
995 | \r | |
b26691c4 LG |
996 | mod_tlen = tlen;\r |
997 | if (emptiness != BODY_IS_NOT_EMPTY)\r | |
998 | mod_tlen += SIZE_OP_EMPTY_CHECK_START + SIZE_OP_EMPTY_CHECK_END;\r | |
14b0e578 CS |
999 | \r |
1000 | if (infinite &&\r | |
b602265d DG |
1001 | (qn->lower <= 1 ||\r |
1002 | int_multiply_cmp(tlen, qn->lower, QUANTIFIER_EXPAND_LIMIT_SIZE) <= 0)) {\r | |
14b0e578 CS |
1003 | if (qn->lower == 1 && tlen > QUANTIFIER_EXPAND_LIMIT_SIZE) {\r |
1004 | len = SIZE_OP_JUMP;\r | |
1005 | }\r | |
1006 | else {\r | |
1007 | len = tlen * qn->lower;\r | |
1008 | }\r | |
1009 | \r | |
1010 | if (qn->greedy) {\r | |
b26691c4 | 1011 | #ifdef USE_OP_PUSH_OR_JUMP_EXACT\r |
14b0e578 | 1012 | if (IS_NOT_NULL(qn->head_exact))\r |
b602265d | 1013 | len += SIZE_OP_PUSH_OR_JUMP_EXACT1 + mod_tlen + SIZE_OP_JUMP;\r |
b26691c4 LG |
1014 | else\r |
1015 | #endif\r | |
1016 | if (IS_NOT_NULL(qn->next_head_exact))\r | |
b602265d | 1017 | len += SIZE_OP_PUSH_IF_PEEK_NEXT + mod_tlen + SIZE_OP_JUMP;\r |
14b0e578 | 1018 | else\r |
b602265d | 1019 | len += SIZE_OP_PUSH + mod_tlen + SIZE_OP_JUMP;\r |
14b0e578 CS |
1020 | }\r |
1021 | else\r | |
1022 | len += SIZE_OP_JUMP + mod_tlen + SIZE_OP_PUSH;\r | |
1023 | }\r | |
b26691c4 LG |
1024 | else if (qn->upper == 0) {\r |
1025 | if (qn->is_refered != 0) { /* /(?<n>..){0}/ */\r | |
1026 | len = SIZE_OP_JUMP + tlen;\r | |
1027 | }\r | |
1028 | else\r | |
1029 | len = 0;\r | |
14b0e578 CS |
1030 | }\r |
1031 | else if (!infinite && qn->greedy &&\r | |
b602265d DG |
1032 | (qn->upper == 1 ||\r |
1033 | int_multiply_cmp(tlen + SIZE_OP_PUSH, qn->upper,\r | |
1034 | QUANTIFIER_EXPAND_LIMIT_SIZE) <= 0)) {\r | |
14b0e578 CS |
1035 | len = tlen * qn->lower;\r |
1036 | len += (SIZE_OP_PUSH + tlen) * (qn->upper - qn->lower);\r | |
1037 | }\r | |
1038 | else if (!qn->greedy && qn->upper == 1 && qn->lower == 0) { /* '??' */\r | |
1039 | len = SIZE_OP_PUSH + SIZE_OP_JUMP + tlen;\r | |
1040 | }\r | |
1041 | else {\r | |
b26691c4 | 1042 | len = SIZE_OP_REPEAT_INC + mod_tlen + SIZE_OP_REPEAT;\r |
14b0e578 CS |
1043 | }\r |
1044 | \r | |
1045 | return len;\r | |
1046 | }\r | |
1047 | \r | |
1048 | static int\r | |
b602265d | 1049 | compile_quantifier_node(QuantNode* qn, regex_t* reg, ScanEnv* env)\r |
14b0e578 CS |
1050 | {\r |
1051 | int i, r, mod_tlen;\r | |
b26691c4 LG |
1052 | int infinite = IS_INFINITE_REPEAT(qn->upper);\r |
1053 | enum BodyEmptyType emptiness = qn->emptiness;\r | |
b602265d | 1054 | int tlen = compile_length_tree(NODE_QUANT_BODY(qn), reg);\r |
14b0e578 CS |
1055 | \r |
1056 | if (tlen < 0) return tlen;\r | |
b602265d | 1057 | if (tlen == 0) return 0;\r |
14b0e578 | 1058 | \r |
b602265d DG |
1059 | if (is_anychar_infinite_greedy(qn) &&\r |
1060 | (qn->lower <= 1 ||\r | |
1061 | int_multiply_cmp(tlen, qn->lower, QUANTIFIER_EXPAND_LIMIT_SIZE) <= 0)) {\r | |
1062 | r = compile_tree_n_times(NODE_QUANT_BODY(qn), qn->lower, reg, env);\r | |
1063 | if (r != 0) return r;\r | |
14b0e578 | 1064 | if (IS_NOT_NULL(qn->next_head_exact)) {\r |
b26691c4 LG |
1065 | r = add_op(reg,\r |
1066 | IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), reg)) ?\r | |
1067 | OP_ANYCHAR_ML_STAR_PEEK_NEXT : OP_ANYCHAR_STAR_PEEK_NEXT);\r | |
b602265d | 1068 | if (r != 0) return r;\r |
b26691c4 LG |
1069 | \r |
1070 | COP(reg)->anychar_star_peek_next.c = STR_(qn->next_head_exact)->s[0];\r | |
1071 | return 0;\r | |
14b0e578 CS |
1072 | }\r |
1073 | else {\r | |
b26691c4 LG |
1074 | r = add_op(reg,\r |
1075 | IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), reg)) ?\r | |
1076 | OP_ANYCHAR_ML_STAR : OP_ANYCHAR_STAR);\r | |
1077 | return r;\r | |
14b0e578 CS |
1078 | }\r |
1079 | }\r | |
1080 | \r | |
b26691c4 LG |
1081 | mod_tlen = tlen;\r |
1082 | if (emptiness != BODY_IS_NOT_EMPTY)\r | |
1083 | mod_tlen += SIZE_OP_EMPTY_CHECK_START + SIZE_OP_EMPTY_CHECK_END;\r | |
14b0e578 CS |
1084 | \r |
1085 | if (infinite &&\r | |
b602265d DG |
1086 | (qn->lower <= 1 ||\r |
1087 | int_multiply_cmp(tlen, qn->lower, QUANTIFIER_EXPAND_LIMIT_SIZE) <= 0)) {\r | |
b26691c4 LG |
1088 | int addr;\r |
1089 | \r | |
14b0e578 | 1090 | if (qn->lower == 1 && tlen > QUANTIFIER_EXPAND_LIMIT_SIZE) {\r |
b26691c4 LG |
1091 | r = add_op(reg, OP_JUMP);\r |
1092 | if (r != 0) return r;\r | |
14b0e578 | 1093 | if (qn->greedy) {\r |
b26691c4 | 1094 | #ifdef USE_OP_PUSH_OR_JUMP_EXACT\r |
b602265d | 1095 | if (IS_NOT_NULL(qn->head_exact))\r |
b26691c4 LG |
1096 | COP(reg)->jump.addr = SIZE_OP_PUSH_OR_JUMP_EXACT1 + SIZE_INC_OP;\r |
1097 | else\r | |
1098 | #endif\r | |
1099 | if (IS_NOT_NULL(qn->next_head_exact))\r | |
1100 | COP(reg)->jump.addr = SIZE_OP_PUSH_IF_PEEK_NEXT + SIZE_INC_OP;\r | |
b602265d | 1101 | else\r |
b26691c4 | 1102 | COP(reg)->jump.addr = SIZE_OP_PUSH + SIZE_INC_OP;\r |
14b0e578 CS |
1103 | }\r |
1104 | else {\r | |
b26691c4 | 1105 | COP(reg)->jump.addr = SIZE_OP_JUMP + SIZE_INC_OP;\r |
14b0e578 | 1106 | }\r |
14b0e578 CS |
1107 | }\r |
1108 | else {\r | |
b602265d DG |
1109 | r = compile_tree_n_times(NODE_QUANT_BODY(qn), qn->lower, reg, env);\r |
1110 | if (r != 0) return r;\r | |
14b0e578 CS |
1111 | }\r |
1112 | \r | |
1113 | if (qn->greedy) {\r | |
b26691c4 | 1114 | #ifdef USE_OP_PUSH_OR_JUMP_EXACT\r |
14b0e578 | 1115 | if (IS_NOT_NULL(qn->head_exact)) {\r |
b26691c4 | 1116 | r = add_op(reg, OP_PUSH_OR_JUMP_EXACT1);\r |
b602265d | 1117 | if (r != 0) return r;\r |
b26691c4 LG |
1118 | COP(reg)->push_or_jump_exact1.addr = SIZE_INC_OP + mod_tlen + SIZE_OP_JUMP;\r |
1119 | COP(reg)->push_or_jump_exact1.c = STR_(qn->head_exact)->s[0];\r | |
1120 | \r | |
1121 | r = compile_tree_empty_check(NODE_QUANT_BODY(qn), reg, emptiness, env);\r | |
b602265d | 1122 | if (r != 0) return r;\r |
b26691c4 LG |
1123 | \r |
1124 | addr = -(mod_tlen + (int )SIZE_OP_PUSH_OR_JUMP_EXACT1);\r | |
14b0e578 | 1125 | }\r |
b26691c4 LG |
1126 | else\r |
1127 | #endif\r | |
1128 | if (IS_NOT_NULL(qn->next_head_exact)) {\r | |
1129 | r = add_op(reg, OP_PUSH_IF_PEEK_NEXT);\r | |
b602265d | 1130 | if (r != 0) return r;\r |
b26691c4 LG |
1131 | COP(reg)->push_if_peek_next.addr = SIZE_INC_OP + mod_tlen + SIZE_OP_JUMP;\r |
1132 | COP(reg)->push_if_peek_next.c = STR_(qn->next_head_exact)->s[0];\r | |
1133 | \r | |
1134 | r = compile_tree_empty_check(NODE_QUANT_BODY(qn), reg, emptiness, env);\r | |
b602265d | 1135 | if (r != 0) return r;\r |
b26691c4 LG |
1136 | \r |
1137 | addr = -(mod_tlen + (int )SIZE_OP_PUSH_IF_PEEK_NEXT);\r | |
14b0e578 CS |
1138 | }\r |
1139 | else {\r | |
b26691c4 | 1140 | r = add_op(reg, OP_PUSH);\r |
b602265d | 1141 | if (r != 0) return r;\r |
b26691c4 LG |
1142 | COP(reg)->push.addr = SIZE_INC_OP + mod_tlen + SIZE_OP_JUMP;\r |
1143 | \r | |
1144 | r = compile_tree_empty_check(NODE_QUANT_BODY(qn), reg, emptiness, env);\r | |
b602265d | 1145 | if (r != 0) return r;\r |
b26691c4 LG |
1146 | \r |
1147 | addr = -(mod_tlen + (int )SIZE_OP_PUSH);\r | |
14b0e578 | 1148 | }\r |
b26691c4 LG |
1149 | \r |
1150 | r = add_op(reg, OP_JUMP);\r | |
1151 | if (r != 0) return r;\r | |
1152 | COP(reg)->jump.addr = addr;\r | |
14b0e578 CS |
1153 | }\r |
1154 | else {\r | |
b26691c4 | 1155 | r = add_op(reg, OP_JUMP);\r |
b602265d | 1156 | if (r != 0) return r;\r |
b26691c4 LG |
1157 | COP(reg)->jump.addr = mod_tlen + SIZE_INC_OP;\r |
1158 | \r | |
1159 | r = compile_tree_empty_check(NODE_QUANT_BODY(qn), reg, emptiness, env);\r | |
1160 | if (r != 0) return r;\r | |
1161 | \r | |
1162 | r = add_op(reg, OP_PUSH);\r | |
1163 | if (r != 0) return r;\r | |
1164 | COP(reg)->push.addr = -mod_tlen;\r | |
1165 | }\r | |
1166 | }\r | |
1167 | else if (qn->upper == 0) {\r | |
1168 | if (qn->is_refered != 0) { /* /(?<n>..){0}/ */\r | |
1169 | r = add_op(reg, OP_JUMP);\r | |
b602265d | 1170 | if (r != 0) return r;\r |
b26691c4 LG |
1171 | COP(reg)->jump.addr = tlen + SIZE_INC_OP;\r |
1172 | \r | |
1173 | r = compile_tree(NODE_QUANT_BODY(qn), reg, env);\r | |
1174 | }\r | |
1175 | else {\r | |
1176 | /* Nothing output */\r | |
1177 | r = 0;\r | |
14b0e578 CS |
1178 | }\r |
1179 | }\r | |
b602265d DG |
1180 | else if (! infinite && qn->greedy &&\r |
1181 | (qn->upper == 1 ||\r | |
1182 | int_multiply_cmp(tlen + SIZE_OP_PUSH, qn->upper,\r | |
1183 | QUANTIFIER_EXPAND_LIMIT_SIZE) <= 0)) {\r | |
14b0e578 CS |
1184 | int n = qn->upper - qn->lower;\r |
1185 | \r | |
b602265d DG |
1186 | r = compile_tree_n_times(NODE_QUANT_BODY(qn), qn->lower, reg, env);\r |
1187 | if (r != 0) return r;\r | |
14b0e578 CS |
1188 | \r |
1189 | for (i = 0; i < n; i++) {\r | |
b26691c4 LG |
1190 | int v = onig_positive_int_multiply(n - i, tlen + SIZE_OP_PUSH);\r |
1191 | if (v < 0) return ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE;\r | |
1192 | \r | |
1193 | r = add_op(reg, OP_PUSH);\r | |
b602265d | 1194 | if (r != 0) return r;\r |
b26691c4 LG |
1195 | COP(reg)->push.addr = v;\r |
1196 | \r | |
b602265d DG |
1197 | r = compile_tree(NODE_QUANT_BODY(qn), reg, env);\r |
1198 | if (r != 0) return r;\r | |
14b0e578 CS |
1199 | }\r |
1200 | }\r | |
b602265d | 1201 | else if (! qn->greedy && qn->upper == 1 && qn->lower == 0) { /* '??' */\r |
b26691c4 | 1202 | r = add_op(reg, OP_PUSH);\r |
b602265d | 1203 | if (r != 0) return r;\r |
b26691c4 LG |
1204 | COP(reg)->push.addr = SIZE_INC_OP + SIZE_OP_JUMP;\r |
1205 | \r | |
1206 | r = add_op(reg, OP_JUMP);\r | |
b602265d | 1207 | if (r != 0) return r;\r |
b26691c4 LG |
1208 | COP(reg)->jump.addr = tlen + SIZE_INC_OP;\r |
1209 | \r | |
b602265d | 1210 | r = compile_tree(NODE_QUANT_BODY(qn), reg, env);\r |
14b0e578 CS |
1211 | }\r |
1212 | else {\r | |
b26691c4 | 1213 | r = compile_range_repeat_node(qn, mod_tlen, emptiness, reg, env);\r |
14b0e578 CS |
1214 | }\r |
1215 | return r;\r | |
1216 | }\r | |
14b0e578 CS |
1217 | \r |
1218 | static int\r | |
b26691c4 | 1219 | compile_length_option_node(BagNode* node, regex_t* reg)\r |
14b0e578 CS |
1220 | {\r |
1221 | int tlen;\r | |
1222 | OnigOptionType prev = reg->options;\r | |
1223 | \r | |
b602265d | 1224 | reg->options = node->o.options;\r |
b26691c4 | 1225 | tlen = compile_length_tree(NODE_BAG_BODY(node), reg);\r |
14b0e578 CS |
1226 | reg->options = prev;\r |
1227 | \r | |
b602265d | 1228 | return tlen;\r |
14b0e578 CS |
1229 | }\r |
1230 | \r | |
1231 | static int\r | |
b26691c4 | 1232 | compile_option_node(BagNode* node, regex_t* reg, ScanEnv* env)\r |
14b0e578 CS |
1233 | {\r |
1234 | int r;\r | |
1235 | OnigOptionType prev = reg->options;\r | |
1236 | \r | |
b602265d | 1237 | reg->options = node->o.options;\r |
b26691c4 | 1238 | r = compile_tree(NODE_BAG_BODY(node), reg, env);\r |
14b0e578 CS |
1239 | reg->options = prev;\r |
1240 | \r | |
14b0e578 CS |
1241 | return r;\r |
1242 | }\r | |
1243 | \r | |
1244 | static int\r | |
b26691c4 | 1245 | compile_length_bag_node(BagNode* node, regex_t* reg)\r |
14b0e578 CS |
1246 | {\r |
1247 | int len;\r | |
1248 | int tlen;\r | |
fbaab715 | 1249 | \r |
b26691c4 | 1250 | if (node->type == BAG_OPTION)\r |
14b0e578 CS |
1251 | return compile_length_option_node(node, reg);\r |
1252 | \r | |
b26691c4 LG |
1253 | if (NODE_BAG_BODY(node)) {\r |
1254 | tlen = compile_length_tree(NODE_BAG_BODY(node), reg);\r | |
14b0e578 CS |
1255 | if (tlen < 0) return tlen;\r |
1256 | }\r | |
1257 | else\r | |
1258 | tlen = 0;\r | |
1259 | \r | |
1260 | switch (node->type) {\r | |
b26691c4 | 1261 | case BAG_MEMORY:\r |
b602265d DG |
1262 | #ifdef USE_CALL\r |
1263 | \r | |
1264 | if (node->m.regnum == 0 && NODE_IS_CALLED(node)) {\r | |
1265 | len = tlen + SIZE_OP_CALL + SIZE_OP_JUMP + SIZE_OP_RETURN;\r | |
1266 | return len;\r | |
1267 | }\r | |
1268 | \r | |
1269 | if (NODE_IS_CALLED(node)) {\r | |
14b0e578 | 1270 | len = SIZE_OP_MEMORY_START_PUSH + tlen\r |
b602265d DG |
1271 | + SIZE_OP_CALL + SIZE_OP_JUMP + SIZE_OP_RETURN;\r |
1272 | if (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum))\r | |
1273 | len += (NODE_IS_RECURSION(node)\r | |
1274 | ? SIZE_OP_MEMORY_END_PUSH_REC : SIZE_OP_MEMORY_END_PUSH);\r | |
14b0e578 | 1275 | else\r |
b602265d DG |
1276 | len += (NODE_IS_RECURSION(node)\r |
1277 | ? SIZE_OP_MEMORY_END_REC : SIZE_OP_MEMORY_END);\r | |
1278 | }\r | |
1279 | else if (NODE_IS_RECURSION(node)) {\r | |
1280 | len = SIZE_OP_MEMORY_START_PUSH;\r | |
1281 | len += tlen + (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum)\r | |
1282 | ? SIZE_OP_MEMORY_END_PUSH_REC : SIZE_OP_MEMORY_END_REC);\r | |
14b0e578 CS |
1283 | }\r |
1284 | else\r | |
1285 | #endif\r | |
1286 | {\r | |
b602265d DG |
1287 | if (MEM_STATUS_AT0(reg->bt_mem_start, node->m.regnum))\r |
1288 | len = SIZE_OP_MEMORY_START_PUSH;\r | |
14b0e578 | 1289 | else\r |
b602265d | 1290 | len = SIZE_OP_MEMORY_START;\r |
14b0e578 | 1291 | \r |
b602265d DG |
1292 | len += tlen + (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum)\r |
1293 | ? SIZE_OP_MEMORY_END_PUSH : SIZE_OP_MEMORY_END);\r | |
14b0e578 CS |
1294 | }\r |
1295 | break;\r | |
1296 | \r | |
b26691c4 LG |
1297 | case BAG_STOP_BACKTRACK:\r |
1298 | if (NODE_IS_STRICT_REAL_REPEAT(node)) {\r | |
1299 | int v;\r | |
1300 | QuantNode* qn;\r | |
1301 | \r | |
1302 | qn = QUANT_(NODE_BAG_BODY(node));\r | |
b602265d | 1303 | tlen = compile_length_tree(NODE_QUANT_BODY(qn), reg);\r |
14b0e578 CS |
1304 | if (tlen < 0) return tlen;\r |
1305 | \r | |
b26691c4 LG |
1306 | v = onig_positive_int_multiply(qn->lower, tlen);\r |
1307 | if (v < 0) return ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE;\r | |
1308 | len = v + SIZE_OP_PUSH + tlen + SIZE_OP_POP_OUT + SIZE_OP_JUMP;\r | |
14b0e578 CS |
1309 | }\r |
1310 | else {\r | |
b602265d | 1311 | len = SIZE_OP_ATOMIC_START + tlen + SIZE_OP_ATOMIC_END;\r |
14b0e578 CS |
1312 | }\r |
1313 | break;\r | |
1314 | \r | |
b26691c4 | 1315 | case BAG_IF_ELSE:\r |
b602265d | 1316 | {\r |
b26691c4 | 1317 | Node* cond = NODE_BAG_BODY(node);\r |
b602265d DG |
1318 | Node* Then = node->te.Then;\r |
1319 | Node* Else = node->te.Else;\r | |
14b0e578 | 1320 | \r |
b602265d DG |
1321 | len = compile_length_tree(cond, reg);\r |
1322 | if (len < 0) return len;\r | |
1323 | len += SIZE_OP_PUSH;\r | |
1324 | len += SIZE_OP_ATOMIC_START + SIZE_OP_ATOMIC_END;\r | |
1325 | \r | |
1326 | if (IS_NOT_NULL(Then)) {\r | |
1327 | tlen = compile_length_tree(Then, reg);\r | |
1328 | if (tlen < 0) return tlen;\r | |
1329 | len += tlen;\r | |
1330 | }\r | |
1331 | \r | |
b26691c4 LG |
1332 | len += SIZE_OP_JUMP + SIZE_OP_ATOMIC_END;\r |
1333 | \r | |
b602265d | 1334 | if (IS_NOT_NULL(Else)) {\r |
b602265d DG |
1335 | tlen = compile_length_tree(Else, reg);\r |
1336 | if (tlen < 0) return tlen;\r | |
1337 | len += tlen;\r | |
1338 | }\r | |
1339 | }\r | |
1340 | break;\r | |
1341 | \r | |
b26691c4 LG |
1342 | case BAG_OPTION:\r |
1343 | /* never come here, but set for escape warning */\r | |
1344 | len = 0;\r | |
b602265d DG |
1345 | break;\r |
1346 | }\r | |
1347 | \r | |
1348 | return len;\r | |
1349 | }\r | |
14b0e578 | 1350 | \r |
b26691c4 | 1351 | static int get_char_len_node(Node* node, regex_t* reg, int* len);\r |
14b0e578 CS |
1352 | \r |
1353 | static int\r | |
b26691c4 | 1354 | compile_bag_memory_node(BagNode* node, regex_t* reg, ScanEnv* env)\r |
14b0e578 | 1355 | {\r |
b602265d DG |
1356 | int r;\r |
1357 | int len;\r | |
14b0e578 | 1358 | \r |
b602265d | 1359 | #ifdef USE_CALL\r |
b26691c4 LG |
1360 | if (NODE_IS_CALLED(node)) {\r |
1361 | r = add_op(reg, OP_CALL);\r | |
b602265d | 1362 | if (r != 0) return r;\r |
b26691c4 LG |
1363 | \r |
1364 | node->m.called_addr = COP_CURR_OFFSET(reg) + 1 + SIZE_OP_JUMP;\r | |
b602265d | 1365 | NODE_STATUS_ADD(node, ADDR_FIXED);\r |
b26691c4 | 1366 | COP(reg)->call.addr = (int )node->m.called_addr;\r |
b602265d | 1367 | \r |
b26691c4 LG |
1368 | if (node->m.regnum == 0) {\r |
1369 | len = compile_length_tree(NODE_BAG_BODY(node), reg);\r | |
1370 | len += SIZE_OP_RETURN;\r | |
14b0e578 | 1371 | \r |
b26691c4 LG |
1372 | r = add_op(reg, OP_JUMP);\r |
1373 | if (r != 0) return r;\r | |
1374 | COP(reg)->jump.addr = len + SIZE_INC_OP;\r | |
14b0e578 | 1375 | \r |
b26691c4 LG |
1376 | r = compile_tree(NODE_BAG_BODY(node), reg, env);\r |
1377 | if (r != 0) return r;\r | |
1378 | \r | |
1379 | r = add_op(reg, OP_RETURN);\r | |
1380 | return r;\r | |
1381 | }\r | |
1382 | else {\r | |
1383 | len = compile_length_tree(NODE_BAG_BODY(node), reg);\r | |
1384 | len += (SIZE_OP_MEMORY_START_PUSH + SIZE_OP_RETURN);\r | |
1385 | if (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum))\r | |
1386 | len += (NODE_IS_RECURSION(node)\r | |
1387 | ? SIZE_OP_MEMORY_END_PUSH_REC : SIZE_OP_MEMORY_END_PUSH);\r | |
1388 | else\r | |
1389 | len += (NODE_IS_RECURSION(node)\r | |
1390 | ? SIZE_OP_MEMORY_END_REC : SIZE_OP_MEMORY_END);\r | |
1391 | \r | |
1392 | r = add_op(reg, OP_JUMP);\r | |
1393 | if (r != 0) return r;\r | |
1394 | COP(reg)->jump.addr = len + SIZE_INC_OP;\r | |
1395 | }\r | |
b602265d | 1396 | }\r |
14b0e578 | 1397 | #endif\r |
14b0e578 | 1398 | \r |
b602265d | 1399 | if (MEM_STATUS_AT0(reg->bt_mem_start, node->m.regnum))\r |
b26691c4 | 1400 | r = add_op(reg, OP_MEMORY_START_PUSH);\r |
b602265d | 1401 | else\r |
b26691c4 | 1402 | r = add_op(reg, OP_MEMORY_START);\r |
b602265d | 1403 | if (r != 0) return r;\r |
b26691c4 LG |
1404 | COP(reg)->memory_start.num = node->m.regnum;\r |
1405 | \r | |
1406 | r = compile_tree(NODE_BAG_BODY(node), reg, env);\r | |
b602265d DG |
1407 | if (r != 0) return r;\r |
1408 | \r | |
1409 | #ifdef USE_CALL\r | |
1410 | if (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum))\r | |
b26691c4 LG |
1411 | r = add_op(reg, (NODE_IS_RECURSION(node)\r |
1412 | ? OP_MEMORY_END_PUSH_REC : OP_MEMORY_END_PUSH));\r | |
b602265d | 1413 | else\r |
b26691c4 | 1414 | r = add_op(reg, (NODE_IS_RECURSION(node) ? OP_MEMORY_END_REC : OP_MEMORY_END));\r |
b602265d | 1415 | if (r != 0) return r;\r |
b26691c4 LG |
1416 | COP(reg)->memory_end.num = node->m.regnum;\r |
1417 | \r | |
b602265d DG |
1418 | if (NODE_IS_CALLED(node)) {\r |
1419 | if (r != 0) return r;\r | |
b26691c4 | 1420 | r = add_op(reg, OP_RETURN);\r |
b602265d DG |
1421 | }\r |
1422 | #else\r | |
1423 | if (MEM_STATUS_AT0(reg->bt_mem_end, node->m.regnum))\r | |
b26691c4 | 1424 | r = add_op(reg, OP_MEMORY_END_PUSH);\r |
b602265d | 1425 | else\r |
b26691c4 | 1426 | r = add_op(reg, OP_MEMORY_END);\r |
b602265d | 1427 | if (r != 0) return r;\r |
b26691c4 | 1428 | COP(reg)->memory_end.num = node->m.regnum;\r |
14b0e578 | 1429 | #endif\r |
b602265d DG |
1430 | \r |
1431 | return r;\r | |
1432 | }\r | |
1433 | \r | |
1434 | static int\r | |
b26691c4 | 1435 | compile_bag_node(BagNode* node, regex_t* reg, ScanEnv* env)\r |
b602265d DG |
1436 | {\r |
1437 | int r, len;\r | |
1438 | \r | |
1439 | switch (node->type) {\r | |
b26691c4 LG |
1440 | case BAG_MEMORY:\r |
1441 | r = compile_bag_memory_node(node, reg, env);\r | |
b602265d DG |
1442 | break;\r |
1443 | \r | |
b26691c4 | 1444 | case BAG_OPTION:\r |
b602265d | 1445 | r = compile_option_node(node, reg, env);\r |
14b0e578 CS |
1446 | break;\r |
1447 | \r | |
b26691c4 LG |
1448 | case BAG_STOP_BACKTRACK:\r |
1449 | if (NODE_IS_STRICT_REAL_REPEAT(node)) {\r | |
1450 | QuantNode* qn = QUANT_(NODE_BAG_BODY(node));\r | |
b602265d DG |
1451 | r = compile_tree_n_times(NODE_QUANT_BODY(qn), qn->lower, reg, env);\r |
1452 | if (r != 0) return r;\r | |
14b0e578 | 1453 | \r |
b602265d | 1454 | len = compile_length_tree(NODE_QUANT_BODY(qn), reg);\r |
14b0e578 CS |
1455 | if (len < 0) return len;\r |
1456 | \r | |
b26691c4 | 1457 | r = add_op(reg, OP_PUSH);\r |
b602265d | 1458 | if (r != 0) return r;\r |
b26691c4 LG |
1459 | COP(reg)->push.addr = SIZE_INC_OP + len + SIZE_OP_POP_OUT + SIZE_OP_JUMP;\r |
1460 | \r | |
b602265d DG |
1461 | r = compile_tree(NODE_QUANT_BODY(qn), reg, env);\r |
1462 | if (r != 0) return r;\r | |
b26691c4 LG |
1463 | r = add_op(reg, OP_POP_OUT);\r |
1464 | if (r != 0) return r;\r | |
1465 | \r | |
1466 | r = add_op(reg, OP_JUMP);\r | |
b602265d | 1467 | if (r != 0) return r;\r |
b26691c4 | 1468 | COP(reg)->jump.addr = -((int )SIZE_OP_PUSH + len + (int )SIZE_OP_POP_OUT);\r |
14b0e578 CS |
1469 | }\r |
1470 | else {\r | |
b26691c4 | 1471 | r = add_op(reg, OP_ATOMIC_START);\r |
b602265d | 1472 | if (r != 0) return r;\r |
b26691c4 | 1473 | r = compile_tree(NODE_BAG_BODY(node), reg, env);\r |
b602265d | 1474 | if (r != 0) return r;\r |
b26691c4 | 1475 | r = add_op(reg, OP_ATOMIC_END);\r |
b602265d DG |
1476 | }\r |
1477 | break;\r | |
1478 | \r | |
b26691c4 | 1479 | case BAG_IF_ELSE:\r |
b602265d | 1480 | {\r |
b26691c4 LG |
1481 | int cond_len, then_len, else_len, jump_len;\r |
1482 | Node* cond = NODE_BAG_BODY(node);\r | |
b602265d DG |
1483 | Node* Then = node->te.Then;\r |
1484 | Node* Else = node->te.Else;\r | |
1485 | \r | |
b26691c4 | 1486 | r = add_op(reg, OP_ATOMIC_START);\r |
b602265d DG |
1487 | if (r != 0) return r;\r |
1488 | \r | |
1489 | cond_len = compile_length_tree(cond, reg);\r | |
1490 | if (cond_len < 0) return cond_len;\r | |
1491 | if (IS_NOT_NULL(Then)) {\r | |
1492 | then_len = compile_length_tree(Then, reg);\r | |
1493 | if (then_len < 0) return then_len;\r | |
1494 | }\r | |
1495 | else\r | |
1496 | then_len = 0;\r | |
1497 | \r | |
b26691c4 | 1498 | jump_len = cond_len + then_len + SIZE_OP_ATOMIC_END + SIZE_OP_JUMP;\r |
b602265d | 1499 | \r |
b26691c4 | 1500 | r = add_op(reg, OP_PUSH);\r |
b602265d | 1501 | if (r != 0) return r;\r |
b26691c4 LG |
1502 | COP(reg)->push.addr = SIZE_INC_OP + jump_len;\r |
1503 | \r | |
b602265d DG |
1504 | r = compile_tree(cond, reg, env);\r |
1505 | if (r != 0) return r;\r | |
b26691c4 | 1506 | r = add_op(reg, OP_ATOMIC_END);\r |
b602265d DG |
1507 | if (r != 0) return r;\r |
1508 | \r | |
1509 | if (IS_NOT_NULL(Then)) {\r | |
1510 | r = compile_tree(Then, reg, env);\r | |
1511 | if (r != 0) return r;\r | |
1512 | }\r | |
1513 | \r | |
1514 | if (IS_NOT_NULL(Else)) {\r | |
b26691c4 LG |
1515 | else_len = compile_length_tree(Else, reg);\r |
1516 | if (else_len < 0) return else_len;\r | |
1517 | }\r | |
1518 | else\r | |
1519 | else_len = 0;\r | |
1520 | \r | |
1521 | r = add_op(reg, OP_JUMP);\r | |
1522 | if (r != 0) return r;\r | |
1523 | COP(reg)->jump.addr = SIZE_OP_ATOMIC_END + else_len + SIZE_INC_OP;\r | |
1524 | \r | |
1525 | r = add_op(reg, OP_ATOMIC_END);\r | |
1526 | if (r != 0) return r;\r | |
1527 | \r | |
1528 | if (IS_NOT_NULL(Else)) {\r | |
b602265d DG |
1529 | r = compile_tree(Else, reg, env);\r |
1530 | }\r | |
14b0e578 CS |
1531 | }\r |
1532 | break;\r | |
14b0e578 CS |
1533 | }\r |
1534 | \r | |
1535 | return r;\r | |
1536 | }\r | |
1537 | \r | |
1538 | static int\r | |
1539 | compile_length_anchor_node(AnchorNode* node, regex_t* reg)\r | |
1540 | {\r | |
1541 | int len;\r | |
1542 | int tlen = 0;\r | |
1543 | \r | |
b602265d DG |
1544 | if (IS_NOT_NULL(NODE_ANCHOR_BODY(node))) {\r |
1545 | tlen = compile_length_tree(NODE_ANCHOR_BODY(node), reg);\r | |
14b0e578 CS |
1546 | if (tlen < 0) return tlen;\r |
1547 | }\r | |
1548 | \r | |
1549 | switch (node->type) {\r | |
b26691c4 | 1550 | case ANCR_PREC_READ:\r |
b602265d | 1551 | len = SIZE_OP_PREC_READ_START + tlen + SIZE_OP_PREC_READ_END;\r |
14b0e578 | 1552 | break;\r |
b26691c4 | 1553 | case ANCR_PREC_READ_NOT:\r |
b602265d | 1554 | len = SIZE_OP_PREC_READ_NOT_START + tlen + SIZE_OP_PREC_READ_NOT_END;\r |
14b0e578 | 1555 | break;\r |
b26691c4 | 1556 | case ANCR_LOOK_BEHIND:\r |
14b0e578 CS |
1557 | len = SIZE_OP_LOOK_BEHIND + tlen;\r |
1558 | break;\r | |
b26691c4 | 1559 | case ANCR_LOOK_BEHIND_NOT:\r |
b602265d DG |
1560 | len = SIZE_OP_LOOK_BEHIND_NOT_START + tlen + SIZE_OP_LOOK_BEHIND_NOT_END;\r |
1561 | break;\r | |
1562 | \r | |
b26691c4 LG |
1563 | case ANCR_WORD_BOUNDARY:\r |
1564 | case ANCR_NO_WORD_BOUNDARY:\r | |
b602265d | 1565 | #ifdef USE_WORD_BEGIN_END\r |
b26691c4 LG |
1566 | case ANCR_WORD_BEGIN:\r |
1567 | case ANCR_WORD_END:\r | |
b602265d DG |
1568 | #endif\r |
1569 | len = SIZE_OP_WORD_BOUNDARY;\r | |
1570 | break;\r | |
1571 | \r | |
b26691c4 LG |
1572 | case ANCR_TEXT_SEGMENT_BOUNDARY:\r |
1573 | case ANCR_NO_TEXT_SEGMENT_BOUNDARY:\r | |
b602265d | 1574 | len = SIZE_OPCODE;\r |
14b0e578 CS |
1575 | break;\r |
1576 | \r | |
1577 | default:\r | |
1578 | len = SIZE_OPCODE;\r | |
1579 | break;\r | |
1580 | }\r | |
1581 | \r | |
1582 | return len;\r | |
1583 | }\r | |
1584 | \r | |
1585 | static int\r | |
b602265d | 1586 | compile_anchor_node(AnchorNode* node, regex_t* reg, ScanEnv* env)\r |
14b0e578 CS |
1587 | {\r |
1588 | int r, len;\r | |
b602265d | 1589 | enum OpCode op;\r |
14b0e578 CS |
1590 | \r |
1591 | switch (node->type) {\r | |
b26691c4 LG |
1592 | case ANCR_BEGIN_BUF: r = add_op(reg, OP_BEGIN_BUF); break;\r |
1593 | case ANCR_END_BUF: r = add_op(reg, OP_END_BUF); break;\r | |
1594 | case ANCR_BEGIN_LINE: r = add_op(reg, OP_BEGIN_LINE); break;\r | |
1595 | case ANCR_END_LINE: r = add_op(reg, OP_END_LINE); break;\r | |
1596 | case ANCR_SEMI_END_BUF: r = add_op(reg, OP_SEMI_END_BUF); break;\r | |
1597 | case ANCR_BEGIN_POSITION: r = add_op(reg, OP_BEGIN_POSITION); break;\r | |
1598 | \r | |
1599 | case ANCR_WORD_BOUNDARY:\r | |
b602265d DG |
1600 | op = OP_WORD_BOUNDARY;\r |
1601 | word:\r | |
b26691c4 | 1602 | r = add_op(reg, op);\r |
b602265d | 1603 | if (r != 0) return r;\r |
b26691c4 | 1604 | COP(reg)->word_boundary.mode = (ModeType )node->ascii_mode;\r |
b602265d DG |
1605 | break;\r |
1606 | \r | |
b26691c4 | 1607 | case ANCR_NO_WORD_BOUNDARY:\r |
b602265d DG |
1608 | op = OP_NO_WORD_BOUNDARY; goto word;\r |
1609 | break;\r | |
14b0e578 | 1610 | #ifdef USE_WORD_BEGIN_END\r |
b26691c4 | 1611 | case ANCR_WORD_BEGIN:\r |
b602265d DG |
1612 | op = OP_WORD_BEGIN; goto word;\r |
1613 | break;\r | |
b26691c4 | 1614 | case ANCR_WORD_END:\r |
b602265d DG |
1615 | op = OP_WORD_END; goto word;\r |
1616 | break;\r | |
14b0e578 CS |
1617 | #endif\r |
1618 | \r | |
b26691c4 LG |
1619 | case ANCR_TEXT_SEGMENT_BOUNDARY:\r |
1620 | case ANCR_NO_TEXT_SEGMENT_BOUNDARY:\r | |
1621 | {\r | |
1622 | enum TextSegmentBoundaryType type;\r | |
b602265d | 1623 | \r |
b26691c4 LG |
1624 | r = add_op(reg, OP_TEXT_SEGMENT_BOUNDARY);\r |
1625 | if (r != 0) return r;\r | |
1626 | \r | |
1627 | type = EXTENDED_GRAPHEME_CLUSTER_BOUNDARY;\r | |
1628 | #ifdef USE_UNICODE_WORD_BREAK\r | |
1629 | if (ONIG_IS_OPTION_ON(reg->options, ONIG_OPTION_TEXT_SEGMENT_WORD))\r | |
1630 | type = WORD_BOUNDARY;\r | |
1631 | #endif\r | |
1632 | \r | |
1633 | COP(reg)->text_segment_boundary.type = type;\r | |
1634 | COP(reg)->text_segment_boundary.not =\r | |
1635 | (node->type == ANCR_NO_TEXT_SEGMENT_BOUNDARY ? 1 : 0);\r | |
1636 | }\r | |
b602265d DG |
1637 | break;\r |
1638 | \r | |
b26691c4 LG |
1639 | case ANCR_PREC_READ:\r |
1640 | r = add_op(reg, OP_PREC_READ_START);\r | |
b602265d DG |
1641 | if (r != 0) return r;\r |
1642 | r = compile_tree(NODE_ANCHOR_BODY(node), reg, env);\r | |
1643 | if (r != 0) return r;\r | |
b26691c4 | 1644 | r = add_op(reg, OP_PREC_READ_END);\r |
14b0e578 CS |
1645 | break;\r |
1646 | \r | |
b26691c4 | 1647 | case ANCR_PREC_READ_NOT:\r |
b602265d | 1648 | len = compile_length_tree(NODE_ANCHOR_BODY(node), reg);\r |
14b0e578 | 1649 | if (len < 0) return len;\r |
b26691c4 LG |
1650 | \r |
1651 | r = add_op(reg, OP_PREC_READ_NOT_START);\r | |
b602265d | 1652 | if (r != 0) return r;\r |
b26691c4 | 1653 | COP(reg)->prec_read_not_start.addr = SIZE_INC_OP + len + SIZE_OP_PREC_READ_NOT_END;\r |
b602265d DG |
1654 | r = compile_tree(NODE_ANCHOR_BODY(node), reg, env);\r |
1655 | if (r != 0) return r;\r | |
b26691c4 | 1656 | r = add_op(reg, OP_PREC_READ_NOT_END);\r |
14b0e578 CS |
1657 | break;\r |
1658 | \r | |
b26691c4 | 1659 | case ANCR_LOOK_BEHIND:\r |
14b0e578 CS |
1660 | {\r |
1661 | int n;\r | |
b26691c4 | 1662 | r = add_op(reg, OP_LOOK_BEHIND);\r |
b602265d | 1663 | if (r != 0) return r;\r |
14b0e578 | 1664 | if (node->char_len < 0) {\r |
b26691c4 | 1665 | r = get_char_len_node(NODE_ANCHOR_BODY(node), reg, &n);\r |
b602265d | 1666 | if (r != 0) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;\r |
14b0e578 CS |
1667 | }\r |
1668 | else\r | |
b602265d DG |
1669 | n = node->char_len;\r |
1670 | \r | |
b26691c4 | 1671 | COP(reg)->look_behind.len = n;\r |
b602265d | 1672 | r = compile_tree(NODE_ANCHOR_BODY(node), reg, env);\r |
14b0e578 CS |
1673 | }\r |
1674 | break;\r | |
1675 | \r | |
b26691c4 | 1676 | case ANCR_LOOK_BEHIND_NOT:\r |
14b0e578 CS |
1677 | {\r |
1678 | int n;\r | |
b602265d DG |
1679 | \r |
1680 | len = compile_length_tree(NODE_ANCHOR_BODY(node), reg);\r | |
b26691c4 | 1681 | r = add_op(reg, OP_LOOK_BEHIND_NOT_START);\r |
b602265d | 1682 | if (r != 0) return r;\r |
b26691c4 LG |
1683 | COP(reg)->look_behind_not_start.addr = SIZE_INC_OP + len + SIZE_OP_LOOK_BEHIND_NOT_END;\r |
1684 | \r | |
14b0e578 | 1685 | if (node->char_len < 0) {\r |
b26691c4 | 1686 | r = get_char_len_node(NODE_ANCHOR_BODY(node), reg, &n);\r |
b602265d | 1687 | if (r != 0) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;\r |
14b0e578 CS |
1688 | }\r |
1689 | else\r | |
b602265d | 1690 | n = node->char_len;\r |
b26691c4 LG |
1691 | \r |
1692 | COP(reg)->look_behind_not_start.len = n;\r | |
1693 | \r | |
b602265d DG |
1694 | r = compile_tree(NODE_ANCHOR_BODY(node), reg, env);\r |
1695 | if (r != 0) return r;\r | |
b26691c4 | 1696 | r = add_op(reg, OP_LOOK_BEHIND_NOT_END);\r |
14b0e578 CS |
1697 | }\r |
1698 | break;\r | |
1699 | \r | |
1700 | default:\r | |
1701 | return ONIGERR_TYPE_BUG;\r | |
1702 | break;\r | |
1703 | }\r | |
1704 | \r | |
1705 | return r;\r | |
1706 | }\r | |
1707 | \r | |
b602265d DG |
1708 | static int\r |
1709 | compile_gimmick_node(GimmickNode* node, regex_t* reg)\r | |
1710 | {\r | |
1711 | int r;\r | |
1712 | \r | |
1713 | switch (node->type) {\r | |
1714 | case GIMMICK_FAIL:\r | |
b26691c4 | 1715 | r = add_op(reg, OP_FAIL);\r |
b602265d DG |
1716 | break;\r |
1717 | \r | |
1718 | case GIMMICK_SAVE:\r | |
b26691c4 | 1719 | r = add_op(reg, OP_PUSH_SAVE_VAL);\r |
b602265d | 1720 | if (r != 0) return r;\r |
b26691c4 LG |
1721 | COP(reg)->push_save_val.type = node->detail_type;\r |
1722 | COP(reg)->push_save_val.id = node->id;\r | |
b602265d DG |
1723 | break;\r |
1724 | \r | |
1725 | case GIMMICK_UPDATE_VAR:\r | |
b26691c4 | 1726 | r = add_op(reg, OP_UPDATE_VAR);\r |
b602265d | 1727 | if (r != 0) return r;\r |
b26691c4 LG |
1728 | COP(reg)->update_var.type = node->detail_type;\r |
1729 | COP(reg)->update_var.id = node->id;\r | |
b602265d DG |
1730 | break;\r |
1731 | \r | |
1732 | #ifdef USE_CALLOUT\r | |
1733 | case GIMMICK_CALLOUT:\r | |
1734 | switch (node->detail_type) {\r | |
1735 | case ONIG_CALLOUT_OF_CONTENTS:\r | |
1736 | case ONIG_CALLOUT_OF_NAME:\r | |
1737 | {\r | |
b602265d | 1738 | if (node->detail_type == ONIG_CALLOUT_OF_NAME) {\r |
b26691c4 | 1739 | r = add_op(reg, OP_CALLOUT_NAME);\r |
b602265d | 1740 | if (r != 0) return r;\r |
b26691c4 LG |
1741 | COP(reg)->callout_name.id = node->id;\r |
1742 | COP(reg)->callout_name.num = node->num;\r | |
1743 | }\r | |
1744 | else {\r | |
1745 | r = add_op(reg, OP_CALLOUT_CONTENTS);\r | |
1746 | if (r != 0) return r;\r | |
1747 | COP(reg)->callout_contents.num = node->num;\r | |
b602265d | 1748 | }\r |
b602265d DG |
1749 | }\r |
1750 | break;\r | |
1751 | \r | |
1752 | default:\r | |
1753 | r = ONIGERR_TYPE_BUG;\r | |
1754 | break;\r | |
1755 | }\r | |
1756 | #endif\r | |
1757 | }\r | |
1758 | \r | |
1759 | return r;\r | |
1760 | }\r | |
1761 | \r | |
1762 | static int\r | |
1763 | compile_length_gimmick_node(GimmickNode* node, regex_t* reg)\r | |
1764 | {\r | |
1765 | int len;\r | |
1766 | \r | |
1767 | switch (node->type) {\r | |
1768 | case GIMMICK_FAIL:\r | |
1769 | len = SIZE_OP_FAIL;\r | |
1770 | break;\r | |
1771 | \r | |
b602265d DG |
1772 | case GIMMICK_SAVE:\r |
1773 | len = SIZE_OP_PUSH_SAVE_VAL;\r | |
1774 | break;\r | |
1775 | \r | |
1776 | case GIMMICK_UPDATE_VAR:\r | |
1777 | len = SIZE_OP_UPDATE_VAR;\r | |
1778 | break;\r | |
1779 | \r | |
1780 | #ifdef USE_CALLOUT\r | |
1781 | case GIMMICK_CALLOUT:\r | |
1782 | switch (node->detail_type) {\r | |
1783 | case ONIG_CALLOUT_OF_CONTENTS:\r | |
1784 | len = SIZE_OP_CALLOUT_CONTENTS;\r | |
1785 | break;\r | |
1786 | case ONIG_CALLOUT_OF_NAME:\r | |
1787 | len = SIZE_OP_CALLOUT_NAME;\r | |
1788 | break;\r | |
1789 | \r | |
1790 | default:\r | |
1791 | len = ONIGERR_TYPE_BUG;\r | |
1792 | break;\r | |
1793 | }\r | |
1794 | break;\r | |
1795 | #endif\r | |
1796 | }\r | |
1797 | \r | |
1798 | return len;\r | |
1799 | }\r | |
1800 | \r | |
14b0e578 CS |
1801 | static int\r |
1802 | compile_length_tree(Node* node, regex_t* reg)\r | |
1803 | {\r | |
b602265d | 1804 | int len, r;\r |
14b0e578 | 1805 | \r |
b602265d DG |
1806 | switch (NODE_TYPE(node)) {\r |
1807 | case NODE_LIST:\r | |
14b0e578 CS |
1808 | len = 0;\r |
1809 | do {\r | |
b602265d | 1810 | r = compile_length_tree(NODE_CAR(node), reg);\r |
14b0e578 CS |
1811 | if (r < 0) return r;\r |
1812 | len += r;\r | |
b602265d | 1813 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r |
14b0e578 CS |
1814 | r = len;\r |
1815 | break;\r | |
1816 | \r | |
b602265d | 1817 | case NODE_ALT:\r |
14b0e578 CS |
1818 | {\r |
1819 | int n;\r | |
1820 | \r | |
1821 | n = r = 0;\r | |
1822 | do {\r | |
b602265d DG |
1823 | r += compile_length_tree(NODE_CAR(node), reg);\r |
1824 | n++;\r | |
1825 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
1826 | r += (SIZE_OP_PUSH + SIZE_OP_JUMP) * (n - 1);\r |
1827 | }\r | |
1828 | break;\r | |
1829 | \r | |
b602265d DG |
1830 | case NODE_STRING:\r |
1831 | if (NODE_STRING_IS_RAW(node))\r | |
1832 | r = compile_length_string_raw_node(STR_(node), reg);\r | |
14b0e578 CS |
1833 | else\r |
1834 | r = compile_length_string_node(node, reg);\r | |
1835 | break;\r | |
1836 | \r | |
b602265d DG |
1837 | case NODE_CCLASS:\r |
1838 | r = compile_length_cclass_node(CCLASS_(node), reg);\r | |
14b0e578 CS |
1839 | break;\r |
1840 | \r | |
b602265d | 1841 | case NODE_CTYPE:\r |
14b0e578 CS |
1842 | r = SIZE_OPCODE;\r |
1843 | break;\r | |
1844 | \r | |
b602265d | 1845 | case NODE_BACKREF:\r |
b26691c4 | 1846 | r = SIZE_OP_BACKREF;\r |
14b0e578 CS |
1847 | break;\r |
1848 | \r | |
b602265d DG |
1849 | #ifdef USE_CALL\r |
1850 | case NODE_CALL:\r | |
14b0e578 CS |
1851 | r = SIZE_OP_CALL;\r |
1852 | break;\r | |
1853 | #endif\r | |
1854 | \r | |
b602265d DG |
1855 | case NODE_QUANT:\r |
1856 | r = compile_length_quantifier_node(QUANT_(node), reg);\r | |
1857 | break;\r | |
1858 | \r | |
b26691c4 LG |
1859 | case NODE_BAG:\r |
1860 | r = compile_length_bag_node(BAG_(node), reg);\r | |
14b0e578 CS |
1861 | break;\r |
1862 | \r | |
b602265d DG |
1863 | case NODE_ANCHOR:\r |
1864 | r = compile_length_anchor_node(ANCHOR_(node), reg);\r | |
14b0e578 CS |
1865 | break;\r |
1866 | \r | |
b602265d DG |
1867 | case NODE_GIMMICK:\r |
1868 | r = compile_length_gimmick_node(GIMMICK_(node), reg);\r | |
14b0e578 CS |
1869 | break;\r |
1870 | \r | |
1871 | default:\r | |
1872 | return ONIGERR_TYPE_BUG;\r | |
1873 | break;\r | |
1874 | }\r | |
1875 | \r | |
1876 | return r;\r | |
1877 | }\r | |
1878 | \r | |
1879 | static int\r | |
b602265d | 1880 | compile_tree(Node* node, regex_t* reg, ScanEnv* env)\r |
14b0e578 | 1881 | {\r |
b602265d | 1882 | int n, len, pos, r = 0;\r |
14b0e578 | 1883 | \r |
b602265d DG |
1884 | switch (NODE_TYPE(node)) {\r |
1885 | case NODE_LIST:\r | |
14b0e578 | 1886 | do {\r |
b602265d DG |
1887 | r = compile_tree(NODE_CAR(node), reg, env);\r |
1888 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
1889 | break;\r |
1890 | \r | |
b602265d | 1891 | case NODE_ALT:\r |
14b0e578 CS |
1892 | {\r |
1893 | Node* x = node;\r | |
1894 | len = 0;\r | |
1895 | do {\r | |
b602265d DG |
1896 | len += compile_length_tree(NODE_CAR(x), reg);\r |
1897 | if (IS_NOT_NULL(NODE_CDR(x))) {\r | |
1898 | len += SIZE_OP_PUSH + SIZE_OP_JUMP;\r | |
1899 | }\r | |
1900 | } while (IS_NOT_NULL(x = NODE_CDR(x)));\r | |
b26691c4 | 1901 | pos = COP_CURR_OFFSET(reg) + 1 + len; /* goal position */\r |
14b0e578 CS |
1902 | \r |
1903 | do {\r | |
b602265d DG |
1904 | len = compile_length_tree(NODE_CAR(node), reg);\r |
1905 | if (IS_NOT_NULL(NODE_CDR(node))) {\r | |
1906 | enum OpCode push = NODE_IS_SUPER(node) ? OP_PUSH_SUPER : OP_PUSH;\r | |
b26691c4 | 1907 | r = add_op(reg, push);\r |
b602265d | 1908 | if (r != 0) break;\r |
b26691c4 | 1909 | COP(reg)->push.addr = SIZE_INC_OP + len + SIZE_OP_JUMP;\r |
b602265d DG |
1910 | }\r |
1911 | r = compile_tree(NODE_CAR(node), reg, env);\r | |
1912 | if (r != 0) break;\r | |
1913 | if (IS_NOT_NULL(NODE_CDR(node))) {\r | |
b26691c4 LG |
1914 | len = pos - (COP_CURR_OFFSET(reg) + 1);\r |
1915 | r = add_op(reg, OP_JUMP);\r | |
b602265d | 1916 | if (r != 0) break;\r |
b26691c4 | 1917 | COP(reg)->jump.addr = len;\r |
b602265d DG |
1918 | }\r |
1919 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
1920 | }\r | |
1921 | break;\r | |
1922 | \r | |
1923 | case NODE_STRING:\r | |
1924 | if (NODE_STRING_IS_RAW(node))\r | |
1925 | r = compile_string_raw_node(STR_(node), reg);\r | |
14b0e578 CS |
1926 | else\r |
1927 | r = compile_string_node(node, reg);\r | |
1928 | break;\r | |
1929 | \r | |
b602265d DG |
1930 | case NODE_CCLASS:\r |
1931 | r = compile_cclass_node(CCLASS_(node), reg);\r | |
14b0e578 CS |
1932 | break;\r |
1933 | \r | |
b602265d | 1934 | case NODE_CTYPE:\r |
14b0e578 CS |
1935 | {\r |
1936 | int op;\r | |
1937 | \r | |
b602265d DG |
1938 | switch (CTYPE_(node)->ctype) {\r |
1939 | case CTYPE_ANYCHAR:\r | |
b26691c4 LG |
1940 | r = add_op(reg, IS_MULTILINE(CTYPE_OPTION(node, reg)) ?\r |
1941 | OP_ANYCHAR_ML : OP_ANYCHAR);\r | |
b602265d DG |
1942 | break;\r |
1943 | \r | |
14b0e578 | 1944 | case ONIGENC_CTYPE_WORD:\r |
b602265d DG |
1945 | if (CTYPE_(node)->ascii_mode == 0) {\r |
1946 | op = CTYPE_(node)->not != 0 ? OP_NO_WORD : OP_WORD;\r | |
1947 | }\r | |
1948 | else {\r | |
1949 | op = CTYPE_(node)->not != 0 ? OP_NO_WORD_ASCII : OP_WORD_ASCII;\r | |
1950 | }\r | |
b26691c4 | 1951 | r = add_op(reg, op);\r |
b602265d DG |
1952 | break;\r |
1953 | \r | |
14b0e578 | 1954 | default:\r |
b602265d DG |
1955 | return ONIGERR_TYPE_BUG;\r |
1956 | break;\r | |
14b0e578 | 1957 | }\r |
14b0e578 CS |
1958 | }\r |
1959 | break;\r | |
1960 | \r | |
b602265d | 1961 | case NODE_BACKREF:\r |
14b0e578 | 1962 | {\r |
b602265d | 1963 | BackRefNode* br = BACKREF_(node);\r |
14b0e578 | 1964 | \r |
b602265d | 1965 | if (NODE_IS_CHECKER(node)) {\r |
14b0e578 | 1966 | #ifdef USE_BACKREF_WITH_LEVEL\r |
b602265d | 1967 | if (NODE_IS_NEST_LEVEL(node)) {\r |
b26691c4 | 1968 | r = add_op(reg, OP_BACKREF_CHECK_WITH_LEVEL);\r |
b602265d | 1969 | if (r != 0) return r;\r |
b26691c4 | 1970 | COP(reg)->backref_general.nest_level = br->nest_level;\r |
b602265d DG |
1971 | }\r |
1972 | else\r | |
14b0e578 | 1973 | #endif\r |
b602265d | 1974 | {\r |
b26691c4 | 1975 | r = add_op(reg, OP_BACKREF_CHECK);\r |
b602265d DG |
1976 | if (r != 0) return r;\r |
1977 | }\r | |
b602265d | 1978 | goto add_bacref_mems;\r |
14b0e578 CS |
1979 | }\r |
1980 | else {\r | |
b602265d DG |
1981 | #ifdef USE_BACKREF_WITH_LEVEL\r |
1982 | if (NODE_IS_NEST_LEVEL(node)) {\r | |
b26691c4 LG |
1983 | if ((reg->options & ONIG_OPTION_IGNORECASE) != 0)\r |
1984 | r = add_op(reg, OP_BACKREF_WITH_LEVEL_IC);\r | |
1985 | else\r | |
1986 | r = add_op(reg, OP_BACKREF_WITH_LEVEL);\r | |
b602265d | 1987 | \r |
b26691c4 LG |
1988 | if (r != 0) return r;\r |
1989 | COP(reg)->backref_general.nest_level = br->nest_level;\r | |
b602265d | 1990 | goto add_bacref_mems;\r |
14b0e578 | 1991 | }\r |
b602265d DG |
1992 | else\r |
1993 | #endif\r | |
1994 | if (br->back_num == 1) {\r | |
1995 | n = br->back_static[0];\r | |
1996 | if (IS_IGNORECASE(reg->options)) {\r | |
b26691c4 | 1997 | r = add_op(reg, OP_BACKREF_N_IC);\r |
b602265d | 1998 | if (r != 0) return r;\r |
b26691c4 | 1999 | COP(reg)->backref_n.n1 = n;\r |
b602265d DG |
2000 | }\r |
2001 | else {\r | |
2002 | switch (n) {\r | |
b26691c4 LG |
2003 | case 1: r = add_op(reg, OP_BACKREF1); break;\r |
2004 | case 2: r = add_op(reg, OP_BACKREF2); break;\r | |
b602265d | 2005 | default:\r |
b26691c4 | 2006 | r = add_op(reg, OP_BACKREF_N);\r |
b602265d | 2007 | if (r != 0) return r;\r |
b26691c4 | 2008 | COP(reg)->backref_n.n1 = n;\r |
b602265d DG |
2009 | break;\r |
2010 | }\r | |
2011 | }\r | |
14b0e578 | 2012 | }\r |
b602265d | 2013 | else {\r |
b26691c4 | 2014 | int num;\r |
b602265d | 2015 | int* p;\r |
14b0e578 | 2016 | \r |
b26691c4 LG |
2017 | r = add_op(reg, IS_IGNORECASE(reg->options) ?\r |
2018 | OP_BACKREF_MULTI_IC : OP_BACKREF_MULTI);\r | |
b602265d DG |
2019 | if (r != 0) return r;\r |
2020 | \r | |
2021 | add_bacref_mems:\r | |
b26691c4 LG |
2022 | num = br->back_num;\r |
2023 | COP(reg)->backref_general.num = num;\r | |
2024 | if (num == 1) {\r | |
2025 | COP(reg)->backref_general.n1 = br->back_static[0];\r | |
2026 | }\r | |
2027 | else {\r | |
2028 | int i, j;\r | |
2029 | MemNumType* ns;\r | |
2030 | \r | |
2031 | ns = xmalloc(sizeof(MemNumType) * num);\r | |
2032 | CHECK_NULL_RETURN_MEMERR(ns);\r | |
2033 | COP(reg)->backref_general.ns = ns;\r | |
2034 | p = BACKREFS_P(br);\r | |
2035 | for (i = num - 1, j = 0; i >= 0; i--, j++) {\r | |
2036 | ns[j] = p[i];\r | |
2037 | }\r | |
b602265d DG |
2038 | }\r |
2039 | }\r | |
14b0e578 CS |
2040 | }\r |
2041 | }\r | |
2042 | break;\r | |
2043 | \r | |
b602265d DG |
2044 | #ifdef USE_CALL\r |
2045 | case NODE_CALL:\r | |
2046 | r = compile_call(CALL_(node), reg, env);\r | |
14b0e578 CS |
2047 | break;\r |
2048 | #endif\r | |
2049 | \r | |
b602265d DG |
2050 | case NODE_QUANT:\r |
2051 | r = compile_quantifier_node(QUANT_(node), reg, env);\r | |
14b0e578 CS |
2052 | break;\r |
2053 | \r | |
b26691c4 LG |
2054 | case NODE_BAG:\r |
2055 | r = compile_bag_node(BAG_(node), reg, env);\r | |
14b0e578 CS |
2056 | break;\r |
2057 | \r | |
b602265d DG |
2058 | case NODE_ANCHOR:\r |
2059 | r = compile_anchor_node(ANCHOR_(node), reg, env);\r | |
2060 | break;\r | |
2061 | \r | |
2062 | case NODE_GIMMICK:\r | |
2063 | r = compile_gimmick_node(GIMMICK_(node), reg);\r | |
14b0e578 CS |
2064 | break;\r |
2065 | \r | |
2066 | default:\r | |
2067 | #ifdef ONIG_DEBUG\r | |
b602265d | 2068 | fprintf(stderr, "compile_tree: undefined node type %d\n", NODE_TYPE(node));\r |
14b0e578 CS |
2069 | #endif\r |
2070 | break;\r | |
2071 | }\r | |
2072 | \r | |
2073 | return r;\r | |
2074 | }\r | |
2075 | \r | |
14b0e578 CS |
2076 | static int\r |
2077 | noname_disable_map(Node** plink, GroupNumRemap* map, int* counter)\r | |
2078 | {\r | |
2079 | int r = 0;\r | |
2080 | Node* node = *plink;\r | |
2081 | \r | |
b602265d DG |
2082 | switch (NODE_TYPE(node)) {\r |
2083 | case NODE_LIST:\r | |
2084 | case NODE_ALT:\r | |
14b0e578 | 2085 | do {\r |
b602265d DG |
2086 | r = noname_disable_map(&(NODE_CAR(node)), map, counter);\r |
2087 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
2088 | break;\r |
2089 | \r | |
b602265d | 2090 | case NODE_QUANT:\r |
14b0e578 | 2091 | {\r |
b602265d | 2092 | Node** ptarget = &(NODE_BODY(node));\r |
14b0e578 CS |
2093 | Node* old = *ptarget;\r |
2094 | r = noname_disable_map(ptarget, map, counter);\r | |
b602265d DG |
2095 | if (*ptarget != old && NODE_TYPE(*ptarget) == NODE_QUANT) {\r |
2096 | onig_reduce_nested_quantifier(node, *ptarget);\r | |
14b0e578 CS |
2097 | }\r |
2098 | }\r | |
2099 | break;\r | |
2100 | \r | |
b26691c4 | 2101 | case NODE_BAG:\r |
14b0e578 | 2102 | {\r |
b26691c4 LG |
2103 | BagNode* en = BAG_(node);\r |
2104 | if (en->type == BAG_MEMORY) {\r | |
b602265d DG |
2105 | if (NODE_IS_NAMED_GROUP(node)) {\r |
2106 | (*counter)++;\r | |
2107 | map[en->m.regnum].new_val = *counter;\r | |
2108 | en->m.regnum = *counter;\r | |
2109 | r = noname_disable_map(&(NODE_BODY(node)), map, counter);\r | |
2110 | }\r | |
2111 | else {\r | |
2112 | *plink = NODE_BODY(node);\r | |
2113 | NODE_BODY(node) = NULL_NODE;\r | |
2114 | onig_node_free(node);\r | |
2115 | r = noname_disable_map(plink, map, counter);\r | |
2116 | }\r | |
2117 | }\r | |
b26691c4 LG |
2118 | else if (en->type == BAG_IF_ELSE) {\r |
2119 | r = noname_disable_map(&(NODE_BAG_BODY(en)), map, counter);\r | |
b602265d DG |
2120 | if (r != 0) return r;\r |
2121 | if (IS_NOT_NULL(en->te.Then)) {\r | |
2122 | r = noname_disable_map(&(en->te.Then), map, counter);\r | |
2123 | if (r != 0) return r;\r | |
2124 | }\r | |
2125 | if (IS_NOT_NULL(en->te.Else)) {\r | |
2126 | r = noname_disable_map(&(en->te.Else), map, counter);\r | |
2127 | if (r != 0) return r;\r | |
2128 | }\r | |
14b0e578 CS |
2129 | }\r |
2130 | else\r | |
b602265d | 2131 | r = noname_disable_map(&(NODE_BODY(node)), map, counter);\r |
14b0e578 CS |
2132 | }\r |
2133 | break;\r | |
2134 | \r | |
b602265d DG |
2135 | case NODE_ANCHOR:\r |
2136 | if (IS_NOT_NULL(NODE_BODY(node)))\r | |
2137 | r = noname_disable_map(&(NODE_BODY(node)), map, counter);\r | |
2138 | break;\r | |
2139 | \r | |
14b0e578 CS |
2140 | default:\r |
2141 | break;\r | |
2142 | }\r | |
2143 | \r | |
2144 | return r;\r | |
2145 | }\r | |
2146 | \r | |
2147 | static int\r | |
2148 | renumber_node_backref(Node* node, GroupNumRemap* map)\r | |
2149 | {\r | |
2150 | int i, pos, n, old_num;\r | |
2151 | int *backs;\r | |
b602265d | 2152 | BackRefNode* bn = BACKREF_(node);\r |
14b0e578 | 2153 | \r |
b602265d | 2154 | if (! NODE_IS_BY_NAME(node))\r |
14b0e578 CS |
2155 | return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;\r |
2156 | \r | |
2157 | old_num = bn->back_num;\r | |
2158 | if (IS_NULL(bn->back_dynamic))\r | |
2159 | backs = bn->back_static;\r | |
2160 | else\r | |
2161 | backs = bn->back_dynamic;\r | |
2162 | \r | |
2163 | for (i = 0, pos = 0; i < old_num; i++) {\r | |
2164 | n = map[backs[i]].new_val;\r | |
2165 | if (n > 0) {\r | |
2166 | backs[pos] = n;\r | |
2167 | pos++;\r | |
2168 | }\r | |
2169 | }\r | |
2170 | \r | |
2171 | bn->back_num = pos;\r | |
2172 | return 0;\r | |
2173 | }\r | |
2174 | \r | |
2175 | static int\r | |
2176 | renumber_by_map(Node* node, GroupNumRemap* map)\r | |
2177 | {\r | |
2178 | int r = 0;\r | |
2179 | \r | |
b602265d DG |
2180 | switch (NODE_TYPE(node)) {\r |
2181 | case NODE_LIST:\r | |
2182 | case NODE_ALT:\r | |
14b0e578 | 2183 | do {\r |
b602265d DG |
2184 | r = renumber_by_map(NODE_CAR(node), map);\r |
2185 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 | 2186 | break;\r |
b602265d DG |
2187 | \r |
2188 | case NODE_QUANT:\r | |
2189 | r = renumber_by_map(NODE_BODY(node), map);\r | |
14b0e578 | 2190 | break;\r |
b602265d | 2191 | \r |
b26691c4 | 2192 | case NODE_BAG:\r |
b602265d | 2193 | {\r |
b26691c4 | 2194 | BagNode* en = BAG_(node);\r |
b602265d DG |
2195 | \r |
2196 | r = renumber_by_map(NODE_BODY(node), map);\r | |
2197 | if (r != 0) return r;\r | |
2198 | \r | |
b26691c4 | 2199 | if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
2200 | if (IS_NOT_NULL(en->te.Then)) {\r |
2201 | r = renumber_by_map(en->te.Then, map);\r | |
2202 | if (r != 0) return r;\r | |
2203 | }\r | |
2204 | if (IS_NOT_NULL(en->te.Else)) {\r | |
2205 | r = renumber_by_map(en->te.Else, map);\r | |
2206 | if (r != 0) return r;\r | |
2207 | }\r | |
2208 | }\r | |
2209 | }\r | |
14b0e578 CS |
2210 | break;\r |
2211 | \r | |
b602265d | 2212 | case NODE_BACKREF:\r |
14b0e578 CS |
2213 | r = renumber_node_backref(node, map);\r |
2214 | break;\r | |
2215 | \r | |
b602265d DG |
2216 | case NODE_ANCHOR:\r |
2217 | if (IS_NOT_NULL(NODE_BODY(node)))\r | |
2218 | r = renumber_by_map(NODE_BODY(node), map);\r | |
2219 | break;\r | |
2220 | \r | |
14b0e578 CS |
2221 | default:\r |
2222 | break;\r | |
2223 | }\r | |
2224 | \r | |
2225 | return r;\r | |
2226 | }\r | |
2227 | \r | |
2228 | static int\r | |
2229 | numbered_ref_check(Node* node)\r | |
2230 | {\r | |
2231 | int r = 0;\r | |
2232 | \r | |
b602265d DG |
2233 | switch (NODE_TYPE(node)) {\r |
2234 | case NODE_LIST:\r | |
2235 | case NODE_ALT:\r | |
14b0e578 | 2236 | do {\r |
b602265d DG |
2237 | r = numbered_ref_check(NODE_CAR(node));\r |
2238 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 | 2239 | break;\r |
b602265d DG |
2240 | \r |
2241 | case NODE_ANCHOR:\r | |
2242 | if (IS_NULL(NODE_BODY(node)))\r | |
2243 | break;\r | |
2244 | /* fall */\r | |
2245 | case NODE_QUANT:\r | |
2246 | r = numbered_ref_check(NODE_BODY(node));\r | |
14b0e578 | 2247 | break;\r |
b602265d | 2248 | \r |
b26691c4 | 2249 | case NODE_BAG:\r |
b602265d | 2250 | {\r |
b26691c4 | 2251 | BagNode* en = BAG_(node);\r |
b602265d DG |
2252 | \r |
2253 | r = numbered_ref_check(NODE_BODY(node));\r | |
2254 | if (r != 0) return r;\r | |
2255 | \r | |
b26691c4 | 2256 | if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
2257 | if (IS_NOT_NULL(en->te.Then)) {\r |
2258 | r = numbered_ref_check(en->te.Then);\r | |
2259 | if (r != 0) return r;\r | |
2260 | }\r | |
2261 | if (IS_NOT_NULL(en->te.Else)) {\r | |
2262 | r = numbered_ref_check(en->te.Else);\r | |
2263 | if (r != 0) return r;\r | |
2264 | }\r | |
2265 | }\r | |
2266 | }\r | |
2267 | \r | |
14b0e578 CS |
2268 | break;\r |
2269 | \r | |
b602265d DG |
2270 | case NODE_BACKREF:\r |
2271 | if (! NODE_IS_BY_NAME(node))\r | |
14b0e578 CS |
2272 | return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;\r |
2273 | break;\r | |
2274 | \r | |
2275 | default:\r | |
2276 | break;\r | |
2277 | }\r | |
2278 | \r | |
2279 | return r;\r | |
2280 | }\r | |
2281 | \r | |
2282 | static int\r | |
2283 | disable_noname_group_capture(Node** root, regex_t* reg, ScanEnv* env)\r | |
2284 | {\r | |
2285 | int r, i, pos, counter;\r | |
b602265d DG |
2286 | int result;\r |
2287 | MemStatusType loc;\r | |
14b0e578 CS |
2288 | GroupNumRemap* map;\r |
2289 | \r | |
2290 | map = (GroupNumRemap* )xmalloc(sizeof(GroupNumRemap) * (env->num_mem + 1));\r | |
2291 | CHECK_NULL_RETURN_MEMERR(map);\r | |
2292 | for (i = 1; i <= env->num_mem; i++) {\r | |
2293 | map[i].new_val = 0;\r | |
2294 | }\r | |
2295 | counter = 0;\r | |
2296 | r = noname_disable_map(root, map, &counter);\r | |
2297 | if (r != 0) return r;\r | |
2298 | \r | |
2299 | r = renumber_by_map(*root, map);\r | |
2300 | if (r != 0) return r;\r | |
2301 | \r | |
2302 | for (i = 1, pos = 1; i <= env->num_mem; i++) {\r | |
2303 | if (map[i].new_val > 0) {\r | |
b602265d | 2304 | SCANENV_MEMENV(env)[pos] = SCANENV_MEMENV(env)[i];\r |
14b0e578 CS |
2305 | pos++;\r |
2306 | }\r | |
2307 | }\r | |
2308 | \r | |
2309 | loc = env->capture_history;\r | |
b602265d | 2310 | MEM_STATUS_CLEAR(env->capture_history);\r |
14b0e578 | 2311 | for (i = 1; i <= ONIG_MAX_CAPTURE_HISTORY_GROUP; i++) {\r |
b602265d DG |
2312 | if (MEM_STATUS_AT(loc, i)) {\r |
2313 | MEM_STATUS_ON_SIMPLE(env->capture_history, map[i].new_val);\r | |
14b0e578 CS |
2314 | }\r |
2315 | }\r | |
2316 | \r | |
2317 | env->num_mem = env->num_named;\r | |
2318 | reg->num_mem = env->num_named;\r | |
b602265d | 2319 | result = onig_renumber_name_table(reg, map);\r |
14b0e578 | 2320 | xfree(map);\r |
b602265d | 2321 | return result;\r |
14b0e578 | 2322 | }\r |
14b0e578 | 2323 | \r |
b602265d | 2324 | #ifdef USE_CALL\r |
14b0e578 | 2325 | static int\r |
b602265d | 2326 | fix_unset_addr_list(UnsetAddrList* uslist, regex_t* reg)\r |
14b0e578 CS |
2327 | {\r |
2328 | int i, offset;\r | |
b26691c4 | 2329 | BagNode* en;\r |
14b0e578 | 2330 | AbsAddrType addr;\r |
b26691c4 | 2331 | AbsAddrType* paddr;\r |
14b0e578 CS |
2332 | \r |
2333 | for (i = 0; i < uslist->num; i++) {\r | |
b602265d DG |
2334 | if (! NODE_IS_ADDR_FIXED(uslist->us[i].target))\r |
2335 | return ONIGERR_PARSER_BUG;\r | |
2336 | \r | |
b26691c4 | 2337 | en = BAG_(uslist->us[i].target);\r |
b602265d | 2338 | addr = en->m.called_addr;\r |
14b0e578 CS |
2339 | offset = uslist->us[i].offset;\r |
2340 | \r | |
b26691c4 LG |
2341 | paddr = (AbsAddrType* )((char* )reg->ops + offset);\r |
2342 | *paddr = addr;\r | |
14b0e578 CS |
2343 | }\r |
2344 | return 0;\r | |
2345 | }\r | |
2346 | #endif\r | |
2347 | \r | |
b602265d DG |
2348 | \r |
2349 | #define GET_CHAR_LEN_VARLEN -1\r | |
2350 | #define GET_CHAR_LEN_TOP_ALT_VARLEN -2\r | |
2351 | \r | |
2352 | /* fixed size pattern node only */\r | |
14b0e578 | 2353 | static int\r |
b26691c4 | 2354 | get_char_len_node1(Node* node, regex_t* reg, int* len, int level)\r |
14b0e578 | 2355 | {\r |
b602265d | 2356 | int tlen;\r |
14b0e578 CS |
2357 | int r = 0;\r |
2358 | \r | |
b602265d DG |
2359 | level++;\r |
2360 | *len = 0;\r | |
2361 | switch (NODE_TYPE(node)) {\r | |
2362 | case NODE_LIST:\r | |
2363 | do {\r | |
b26691c4 | 2364 | r = get_char_len_node1(NODE_CAR(node), reg, &tlen, level);\r |
b602265d DG |
2365 | if (r == 0)\r |
2366 | *len = distance_add(*len, tlen);\r | |
2367 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
2368 | break;\r |
2369 | \r | |
b602265d DG |
2370 | case NODE_ALT:\r |
2371 | {\r | |
2372 | int tlen2;\r | |
2373 | int varlen = 0;\r | |
2374 | \r | |
b26691c4 | 2375 | r = get_char_len_node1(NODE_CAR(node), reg, &tlen, level);\r |
b602265d | 2376 | while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node))) {\r |
b26691c4 | 2377 | r = get_char_len_node1(NODE_CAR(node), reg, &tlen2, level);\r |
b602265d DG |
2378 | if (r == 0) {\r |
2379 | if (tlen != tlen2)\r | |
2380 | varlen = 1;\r | |
2381 | }\r | |
2382 | }\r | |
2383 | if (r == 0) {\r | |
2384 | if (varlen != 0) {\r | |
2385 | if (level == 1)\r | |
2386 | r = GET_CHAR_LEN_TOP_ALT_VARLEN;\r | |
2387 | else\r | |
2388 | r = GET_CHAR_LEN_VARLEN;\r | |
2389 | }\r | |
2390 | else\r | |
2391 | *len = tlen;\r | |
2392 | }\r | |
14b0e578 | 2393 | }\r |
14b0e578 | 2394 | break;\r |
14b0e578 | 2395 | \r |
b602265d | 2396 | case NODE_STRING:\r |
14b0e578 | 2397 | {\r |
b602265d DG |
2398 | StrNode* sn = STR_(node);\r |
2399 | UChar *s = sn->s;\r | |
2400 | \r | |
2401 | while (s < sn->end) {\r | |
2402 | s += enclen(reg->enc, s);\r | |
2403 | (*len)++;\r | |
14b0e578 CS |
2404 | }\r |
2405 | }\r | |
2406 | break;\r | |
2407 | \r | |
b602265d | 2408 | case NODE_QUANT:\r |
14b0e578 | 2409 | {\r |
b602265d | 2410 | QuantNode* qn = QUANT_(node);\r |
14b0e578 | 2411 | \r |
14b0e578 | 2412 | if (qn->lower == qn->upper) {\r |
b602265d DG |
2413 | if (qn->upper == 0) {\r |
2414 | *len = 0;\r | |
2415 | }\r | |
2416 | else {\r | |
b26691c4 | 2417 | r = get_char_len_node1(NODE_BODY(node), reg, &tlen, level);\r |
b602265d DG |
2418 | if (r == 0)\r |
2419 | *len = distance_multiply(tlen, qn->lower);\r | |
2420 | }\r | |
14b0e578 CS |
2421 | }\r |
2422 | else\r | |
b602265d | 2423 | r = GET_CHAR_LEN_VARLEN;\r |
14b0e578 CS |
2424 | }\r |
2425 | break;\r | |
2426 | \r | |
b602265d DG |
2427 | #ifdef USE_CALL\r |
2428 | case NODE_CALL:\r | |
2429 | if (! NODE_IS_RECURSION(node))\r | |
b26691c4 | 2430 | r = get_char_len_node1(NODE_BODY(node), reg, len, level);\r |
14b0e578 CS |
2431 | else\r |
2432 | r = GET_CHAR_LEN_VARLEN;\r | |
2433 | break;\r | |
2434 | #endif\r | |
2435 | \r | |
b602265d DG |
2436 | case NODE_CTYPE:\r |
2437 | case NODE_CCLASS:\r | |
14b0e578 CS |
2438 | *len = 1;\r |
2439 | break;\r | |
2440 | \r | |
b26691c4 | 2441 | case NODE_BAG:\r |
14b0e578 | 2442 | {\r |
b26691c4 | 2443 | BagNode* en = BAG_(node);\r |
b602265d | 2444 | \r |
14b0e578 | 2445 | switch (en->type) {\r |
b26691c4 | 2446 | case BAG_MEMORY:\r |
b602265d DG |
2447 | #ifdef USE_CALL\r |
2448 | if (NODE_IS_CLEN_FIXED(node))\r | |
2449 | *len = en->char_len;\r | |
2450 | else {\r | |
b26691c4 | 2451 | r = get_char_len_node1(NODE_BODY(node), reg, len, level);\r |
b602265d DG |
2452 | if (r == 0) {\r |
2453 | en->char_len = *len;\r | |
2454 | NODE_STATUS_ADD(node, CLEN_FIXED);\r | |
2455 | }\r | |
2456 | }\r | |
2457 | break;\r | |
14b0e578 | 2458 | #endif\r |
b26691c4 LG |
2459 | case BAG_OPTION:\r |
2460 | case BAG_STOP_BACKTRACK:\r | |
2461 | r = get_char_len_node1(NODE_BODY(node), reg, len, level);\r | |
b602265d | 2462 | break;\r |
b26691c4 | 2463 | case BAG_IF_ELSE:\r |
b602265d DG |
2464 | {\r |
2465 | int clen, elen;\r | |
2466 | \r | |
b26691c4 | 2467 | r = get_char_len_node1(NODE_BODY(node), reg, &clen, level);\r |
b602265d DG |
2468 | if (r == 0) {\r |
2469 | if (IS_NOT_NULL(en->te.Then)) {\r | |
b26691c4 | 2470 | r = get_char_len_node1(en->te.Then, reg, &tlen, level);\r |
b602265d DG |
2471 | if (r != 0) break;\r |
2472 | }\r | |
2473 | else tlen = 0;\r | |
2474 | if (IS_NOT_NULL(en->te.Else)) {\r | |
b26691c4 | 2475 | r = get_char_len_node1(en->te.Else, reg, &elen, level);\r |
b602265d DG |
2476 | if (r != 0) break;\r |
2477 | }\r | |
2478 | else elen = 0;\r | |
2479 | \r | |
2480 | if (clen + tlen != elen) {\r | |
2481 | r = GET_CHAR_LEN_VARLEN;\r | |
2482 | }\r | |
2483 | else {\r | |
2484 | *len = elen;\r | |
2485 | }\r | |
2486 | }\r | |
2487 | }\r | |
2488 | break;\r | |
14b0e578 CS |
2489 | }\r |
2490 | }\r | |
2491 | break;\r | |
2492 | \r | |
b602265d DG |
2493 | case NODE_ANCHOR:\r |
2494 | case NODE_GIMMICK:\r | |
14b0e578 CS |
2495 | break;\r |
2496 | \r | |
b602265d DG |
2497 | case NODE_BACKREF:\r |
2498 | if (NODE_IS_CHECKER(node))\r | |
2499 | break;\r | |
2500 | /* fall */\r | |
14b0e578 CS |
2501 | default:\r |
2502 | r = GET_CHAR_LEN_VARLEN;\r | |
2503 | break;\r | |
2504 | }\r | |
2505 | \r | |
2506 | return r;\r | |
2507 | }\r | |
2508 | \r | |
2509 | static int\r | |
b26691c4 | 2510 | get_char_len_node(Node* node, regex_t* reg, int* len)\r |
14b0e578 | 2511 | {\r |
b26691c4 | 2512 | return get_char_len_node1(node, reg, len, 0);\r |
14b0e578 CS |
2513 | }\r |
2514 | \r | |
2515 | /* x is not included y ==> 1 : 0 */\r | |
2516 | static int\r | |
b602265d | 2517 | is_exclusive(Node* x, Node* y, regex_t* reg)\r |
14b0e578 CS |
2518 | {\r |
2519 | int i, len;\r | |
2520 | OnigCodePoint code;\r | |
2521 | UChar *p;\r | |
b602265d | 2522 | NodeType ytype;\r |
14b0e578 CS |
2523 | \r |
2524 | retry:\r | |
b602265d DG |
2525 | ytype = NODE_TYPE(y);\r |
2526 | switch (NODE_TYPE(x)) {\r | |
2527 | case NODE_CTYPE:\r | |
14b0e578 | 2528 | {\r |
b602265d DG |
2529 | if (CTYPE_(x)->ctype == CTYPE_ANYCHAR ||\r |
2530 | CTYPE_(y)->ctype == CTYPE_ANYCHAR)\r | |
2531 | break;\r | |
2532 | \r | |
14b0e578 | 2533 | switch (ytype) {\r |
b602265d DG |
2534 | case NODE_CTYPE:\r |
2535 | if (CTYPE_(y)->ctype == CTYPE_(x)->ctype &&\r | |
2536 | CTYPE_(y)->not != CTYPE_(x)->not &&\r | |
2537 | CTYPE_(y)->ascii_mode == CTYPE_(x)->ascii_mode)\r | |
2538 | return 1;\r | |
2539 | else\r | |
2540 | return 0;\r | |
2541 | break;\r | |
2542 | \r | |
2543 | case NODE_CCLASS:\r | |
14b0e578 | 2544 | swap:\r |
b602265d DG |
2545 | {\r |
2546 | Node* tmp;\r | |
2547 | tmp = x; x = y; y = tmp;\r | |
2548 | goto retry;\r | |
2549 | }\r | |
2550 | break;\r | |
14b0e578 | 2551 | \r |
b602265d DG |
2552 | case NODE_STRING:\r |
2553 | goto swap;\r | |
2554 | break;\r | |
14b0e578 CS |
2555 | \r |
2556 | default:\r | |
b602265d | 2557 | break;\r |
14b0e578 CS |
2558 | }\r |
2559 | }\r | |
2560 | break;\r | |
2561 | \r | |
b602265d | 2562 | case NODE_CCLASS:\r |
14b0e578 | 2563 | {\r |
b602265d DG |
2564 | int range;\r |
2565 | CClassNode* xc = CCLASS_(x);\r | |
2566 | \r | |
14b0e578 | 2567 | switch (ytype) {\r |
b602265d DG |
2568 | case NODE_CTYPE:\r |
2569 | switch (CTYPE_(y)->ctype) {\r | |
2570 | case CTYPE_ANYCHAR:\r | |
2571 | return 0;\r | |
2572 | break;\r | |
2573 | \r | |
2574 | case ONIGENC_CTYPE_WORD:\r | |
2575 | if (CTYPE_(y)->not == 0) {\r | |
2576 | if (IS_NULL(xc->mbuf) && !IS_NCCLASS_NOT(xc)) {\r | |
2577 | range = CTYPE_(y)->ascii_mode != 0 ? 128 : SINGLE_BYTE_SIZE;\r | |
2578 | for (i = 0; i < range; i++) {\r | |
2579 | if (BITSET_AT(xc->bs, i)) {\r | |
2580 | if (ONIGENC_IS_CODE_WORD(reg->enc, i)) return 0;\r | |
2581 | }\r | |
2582 | }\r | |
2583 | return 1;\r | |
2584 | }\r | |
2585 | return 0;\r | |
2586 | }\r | |
2587 | else {\r | |
2588 | if (IS_NOT_NULL(xc->mbuf)) return 0;\r | |
2589 | if (IS_NCCLASS_NOT(xc)) return 0;\r | |
2590 | \r | |
2591 | range = CTYPE_(y)->ascii_mode != 0 ? 128 : SINGLE_BYTE_SIZE;\r | |
2592 | for (i = 0; i < range; i++) {\r | |
2593 | if (! ONIGENC_IS_CODE_WORD(reg->enc, i)) {\r | |
2594 | if (BITSET_AT(xc->bs, i))\r | |
2595 | return 0;\r | |
2596 | }\r | |
2597 | }\r | |
2598 | for (i = range; i < SINGLE_BYTE_SIZE; i++) {\r | |
2599 | if (BITSET_AT(xc->bs, i)) return 0;\r | |
2600 | }\r | |
2601 | return 1;\r | |
2602 | }\r | |
2603 | break;\r | |
2604 | \r | |
2605 | default:\r | |
2606 | break;\r | |
2607 | }\r | |
2608 | break;\r | |
2609 | \r | |
2610 | case NODE_CCLASS:\r | |
2611 | {\r | |
2612 | int v;\r | |
2613 | CClassNode* yc = CCLASS_(y);\r | |
2614 | \r | |
2615 | for (i = 0; i < SINGLE_BYTE_SIZE; i++) {\r | |
2616 | v = BITSET_AT(xc->bs, i);\r | |
2617 | if ((v != 0 && !IS_NCCLASS_NOT(xc)) || (v == 0 && IS_NCCLASS_NOT(xc))) {\r | |
2618 | v = BITSET_AT(yc->bs, i);\r | |
2619 | if ((v != 0 && !IS_NCCLASS_NOT(yc)) ||\r | |
14b0e578 | 2620 | (v == 0 && IS_NCCLASS_NOT(yc)))\r |
b602265d DG |
2621 | return 0;\r |
2622 | }\r | |
2623 | }\r | |
2624 | if ((IS_NULL(xc->mbuf) && !IS_NCCLASS_NOT(xc)) ||\r | |
2625 | (IS_NULL(yc->mbuf) && !IS_NCCLASS_NOT(yc)))\r | |
2626 | return 1;\r | |
2627 | return 0;\r | |
2628 | }\r | |
2629 | break;\r | |
2630 | \r | |
2631 | case NODE_STRING:\r | |
2632 | goto swap;\r | |
2633 | break;\r | |
14b0e578 CS |
2634 | \r |
2635 | default:\r | |
b602265d | 2636 | break;\r |
14b0e578 CS |
2637 | }\r |
2638 | }\r | |
2639 | break;\r | |
2640 | \r | |
b602265d | 2641 | case NODE_STRING:\r |
14b0e578 | 2642 | {\r |
b602265d DG |
2643 | StrNode* xs = STR_(x);\r |
2644 | \r | |
2645 | if (NODE_STRING_LEN(x) == 0)\r | |
2646 | break;\r | |
14b0e578 | 2647 | \r |
14b0e578 | 2648 | switch (ytype) {\r |
b602265d DG |
2649 | case NODE_CTYPE:\r |
2650 | switch (CTYPE_(y)->ctype) {\r | |
2651 | case CTYPE_ANYCHAR:\r | |
2652 | break;\r | |
2653 | \r | |
14b0e578 | 2654 | case ONIGENC_CTYPE_WORD:\r |
b602265d DG |
2655 | if (CTYPE_(y)->ascii_mode == 0) {\r |
2656 | if (ONIGENC_IS_MBC_WORD(reg->enc, xs->s, xs->end))\r | |
2657 | return CTYPE_(y)->not;\r | |
2658 | else\r | |
2659 | return !(CTYPE_(y)->not);\r | |
2660 | }\r | |
2661 | else {\r | |
2662 | if (ONIGENC_IS_MBC_WORD_ASCII(reg->enc, xs->s, xs->end))\r | |
2663 | return CTYPE_(y)->not;\r | |
2664 | else\r | |
2665 | return !(CTYPE_(y)->not);\r | |
2666 | }\r | |
14b0e578 CS |
2667 | break;\r |
2668 | default:\r | |
2669 | break;\r | |
2670 | }\r | |
2671 | break;\r | |
2672 | \r | |
b602265d | 2673 | case NODE_CCLASS:\r |
14b0e578 | 2674 | {\r |
b602265d | 2675 | CClassNode* cc = CCLASS_(y);\r |
14b0e578 CS |
2676 | \r |
2677 | code = ONIGENC_MBC_TO_CODE(reg->enc, xs->s,\r | |
2678 | xs->s + ONIGENC_MBC_MAXLEN(reg->enc));\r | |
b26691c4 | 2679 | return onig_is_code_in_cc(reg->enc, code, cc) == 0;\r |
14b0e578 CS |
2680 | }\r |
2681 | break;\r | |
2682 | \r | |
b602265d | 2683 | case NODE_STRING:\r |
14b0e578 CS |
2684 | {\r |
2685 | UChar *q;\r | |
b602265d DG |
2686 | StrNode* ys = STR_(y);\r |
2687 | \r | |
2688 | len = NODE_STRING_LEN(x);\r | |
2689 | if (len > NODE_STRING_LEN(y)) len = NODE_STRING_LEN(y);\r | |
2690 | if (NODE_STRING_IS_AMBIG(x) || NODE_STRING_IS_AMBIG(y)) {\r | |
14b0e578 CS |
2691 | /* tiny version */\r |
2692 | return 0;\r | |
2693 | }\r | |
2694 | else {\r | |
2695 | for (i = 0, p = ys->s, q = xs->s; i < len; i++, p++, q++) {\r | |
2696 | if (*p != *q) return 1;\r | |
2697 | }\r | |
2698 | }\r | |
2699 | }\r | |
2700 | break;\r | |
b602265d | 2701 | \r |
14b0e578 CS |
2702 | default:\r |
2703 | break;\r | |
2704 | }\r | |
2705 | }\r | |
2706 | break;\r | |
2707 | \r | |
2708 | default:\r | |
2709 | break;\r | |
2710 | }\r | |
2711 | \r | |
2712 | return 0;\r | |
2713 | }\r | |
2714 | \r | |
2715 | static Node*\r | |
2716 | get_head_value_node(Node* node, int exact, regex_t* reg)\r | |
2717 | {\r | |
2718 | Node* n = NULL_NODE;\r | |
2719 | \r | |
b602265d DG |
2720 | switch (NODE_TYPE(node)) {\r |
2721 | case NODE_BACKREF:\r | |
2722 | case NODE_ALT:\r | |
2723 | #ifdef USE_CALL\r | |
2724 | case NODE_CALL:\r | |
14b0e578 CS |
2725 | #endif\r |
2726 | break;\r | |
2727 | \r | |
b602265d DG |
2728 | case NODE_CTYPE:\r |
2729 | if (CTYPE_(node)->ctype == CTYPE_ANYCHAR)\r | |
2730 | break;\r | |
2731 | /* fall */\r | |
2732 | case NODE_CCLASS:\r | |
14b0e578 CS |
2733 | if (exact == 0) {\r |
2734 | n = node;\r | |
2735 | }\r | |
2736 | break;\r | |
2737 | \r | |
b602265d DG |
2738 | case NODE_LIST:\r |
2739 | n = get_head_value_node(NODE_CAR(node), exact, reg);\r | |
14b0e578 CS |
2740 | break;\r |
2741 | \r | |
b602265d | 2742 | case NODE_STRING:\r |
14b0e578 | 2743 | {\r |
b602265d | 2744 | StrNode* sn = STR_(node);\r |
14b0e578 CS |
2745 | \r |
2746 | if (sn->end <= sn->s)\r | |
b602265d | 2747 | break;\r |
14b0e578 | 2748 | \r |
b26691c4 LG |
2749 | if (exact == 0 ||\r |
2750 | ! IS_IGNORECASE(reg->options) || NODE_STRING_IS_RAW(node)) {\r | |
b602265d | 2751 | n = node;\r |
14b0e578 CS |
2752 | }\r |
2753 | }\r | |
2754 | break;\r | |
2755 | \r | |
b602265d | 2756 | case NODE_QUANT:\r |
14b0e578 | 2757 | {\r |
b602265d | 2758 | QuantNode* qn = QUANT_(node);\r |
14b0e578 | 2759 | if (qn->lower > 0) {\r |
b602265d DG |
2760 | if (IS_NOT_NULL(qn->head_exact))\r |
2761 | n = qn->head_exact;\r | |
2762 | else\r | |
2763 | n = get_head_value_node(NODE_BODY(node), exact, reg);\r | |
14b0e578 CS |
2764 | }\r |
2765 | }\r | |
2766 | break;\r | |
2767 | \r | |
b26691c4 | 2768 | case NODE_BAG:\r |
14b0e578 | 2769 | {\r |
b26691c4 | 2770 | BagNode* en = BAG_(node);\r |
14b0e578 | 2771 | switch (en->type) {\r |
b26691c4 | 2772 | case BAG_OPTION:\r |
b602265d DG |
2773 | {\r |
2774 | OnigOptionType options = reg->options;\r | |
2775 | \r | |
b26691c4 | 2776 | reg->options = BAG_(node)->o.options;\r |
b602265d DG |
2777 | n = get_head_value_node(NODE_BODY(node), exact, reg);\r |
2778 | reg->options = options;\r | |
2779 | }\r | |
2780 | break;\r | |
2781 | \r | |
b26691c4 LG |
2782 | case BAG_MEMORY:\r |
2783 | case BAG_STOP_BACKTRACK:\r | |
2784 | case BAG_IF_ELSE:\r | |
b602265d DG |
2785 | n = get_head_value_node(NODE_BODY(node), exact, reg);\r |
2786 | break;\r | |
14b0e578 CS |
2787 | }\r |
2788 | }\r | |
2789 | break;\r | |
2790 | \r | |
b602265d | 2791 | case NODE_ANCHOR:\r |
b26691c4 | 2792 | if (ANCHOR_(node)->type == ANCR_PREC_READ)\r |
b602265d | 2793 | n = get_head_value_node(NODE_BODY(node), exact, reg);\r |
14b0e578 CS |
2794 | break;\r |
2795 | \r | |
b602265d | 2796 | case NODE_GIMMICK:\r |
14b0e578 CS |
2797 | default:\r |
2798 | break;\r | |
2799 | }\r | |
2800 | \r | |
2801 | return n;\r | |
2802 | }\r | |
2803 | \r | |
2804 | static int\r | |
b26691c4 | 2805 | check_type_tree(Node* node, int type_mask, int bag_mask, int anchor_mask)\r |
14b0e578 | 2806 | {\r |
b602265d DG |
2807 | NodeType type;\r |
2808 | int r = 0;\r | |
14b0e578 | 2809 | \r |
b602265d DG |
2810 | type = NODE_TYPE(node);\r |
2811 | if ((NODE_TYPE2BIT(type) & type_mask) == 0)\r | |
14b0e578 CS |
2812 | return 1;\r |
2813 | \r | |
2814 | switch (type) {\r | |
b602265d DG |
2815 | case NODE_LIST:\r |
2816 | case NODE_ALT:\r | |
14b0e578 | 2817 | do {\r |
b26691c4 | 2818 | r = check_type_tree(NODE_CAR(node), type_mask, bag_mask, anchor_mask);\r |
b602265d | 2819 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r |
14b0e578 CS |
2820 | break;\r |
2821 | \r | |
b602265d | 2822 | case NODE_QUANT:\r |
b26691c4 | 2823 | r = check_type_tree(NODE_BODY(node), type_mask, bag_mask, anchor_mask);\r |
14b0e578 CS |
2824 | break;\r |
2825 | \r | |
b26691c4 | 2826 | case NODE_BAG:\r |
14b0e578 | 2827 | {\r |
b26691c4 LG |
2828 | BagNode* en = BAG_(node);\r |
2829 | if (((1<<en->type) & bag_mask) == 0)\r | |
b602265d DG |
2830 | return 1;\r |
2831 | \r | |
b26691c4 LG |
2832 | r = check_type_tree(NODE_BODY(node), type_mask, bag_mask, anchor_mask);\r |
2833 | if (r == 0 && en->type == BAG_IF_ELSE) {\r | |
b602265d | 2834 | if (IS_NOT_NULL(en->te.Then)) {\r |
b26691c4 | 2835 | r = check_type_tree(en->te.Then, type_mask, bag_mask, anchor_mask);\r |
b602265d DG |
2836 | if (r != 0) break;\r |
2837 | }\r | |
2838 | if (IS_NOT_NULL(en->te.Else)) {\r | |
b26691c4 | 2839 | r = check_type_tree(en->te.Else, type_mask, bag_mask, anchor_mask);\r |
b602265d DG |
2840 | }\r |
2841 | }\r | |
14b0e578 CS |
2842 | }\r |
2843 | break;\r | |
2844 | \r | |
b602265d DG |
2845 | case NODE_ANCHOR:\r |
2846 | type = ANCHOR_(node)->type;\r | |
14b0e578 CS |
2847 | if ((type & anchor_mask) == 0)\r |
2848 | return 1;\r | |
2849 | \r | |
b602265d | 2850 | if (IS_NOT_NULL(NODE_BODY(node)))\r |
b26691c4 | 2851 | r = check_type_tree(NODE_BODY(node), type_mask, bag_mask, anchor_mask);\r |
14b0e578 CS |
2852 | break;\r |
2853 | \r | |
b602265d | 2854 | case NODE_GIMMICK:\r |
14b0e578 CS |
2855 | default:\r |
2856 | break;\r | |
2857 | }\r | |
2858 | return r;\r | |
2859 | }\r | |
2860 | \r | |
b602265d DG |
2861 | static OnigLen\r |
2862 | tree_min_len(Node* node, ScanEnv* env)\r | |
14b0e578 | 2863 | {\r |
b602265d DG |
2864 | OnigLen len;\r |
2865 | OnigLen tmin;\r | |
14b0e578 | 2866 | \r |
b602265d DG |
2867 | len = 0;\r |
2868 | switch (NODE_TYPE(node)) {\r | |
2869 | case NODE_BACKREF:\r | |
2870 | if (! NODE_IS_CHECKER(node)) {\r | |
2871 | int i;\r | |
2872 | int* backs;\r | |
2873 | MemEnv* mem_env = SCANENV_MEMENV(env);\r | |
2874 | BackRefNode* br = BACKREF_(node);\r | |
2875 | if (NODE_IS_RECURSION(node)) break;\r | |
14b0e578 | 2876 | \r |
b602265d DG |
2877 | backs = BACKREFS_P(br);\r |
2878 | len = tree_min_len(mem_env[backs[0]].node, env);\r | |
2879 | for (i = 1; i < br->back_num; i++) {\r | |
2880 | tmin = tree_min_len(mem_env[backs[i]].node, env);\r | |
2881 | if (len > tmin) len = tmin;\r | |
2882 | }\r | |
14b0e578 CS |
2883 | }\r |
2884 | break;\r | |
2885 | \r | |
b602265d DG |
2886 | #ifdef USE_CALL\r |
2887 | case NODE_CALL:\r | |
14b0e578 | 2888 | {\r |
b602265d DG |
2889 | Node* t = NODE_BODY(node);\r |
2890 | if (NODE_IS_RECURSION(node)) {\r | |
2891 | if (NODE_IS_MIN_FIXED(t))\r | |
b26691c4 | 2892 | len = BAG_(t)->min_len;\r |
b602265d DG |
2893 | }\r |
2894 | else\r | |
2895 | len = tree_min_len(t, env);\r | |
2896 | }\r | |
2897 | break;\r | |
2898 | #endif\r | |
2899 | \r | |
2900 | case NODE_LIST:\r | |
2901 | do {\r | |
2902 | tmin = tree_min_len(NODE_CAR(node), env);\r | |
2903 | len = distance_add(len, tmin);\r | |
2904 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
2905 | break;\r | |
2906 | \r | |
2907 | case NODE_ALT:\r | |
2908 | {\r | |
2909 | Node *x, *y;\r | |
2910 | y = node;\r | |
14b0e578 | 2911 | do {\r |
b602265d DG |
2912 | x = NODE_CAR(y);\r |
2913 | tmin = tree_min_len(x, env);\r | |
2914 | if (y == node) len = tmin;\r | |
2915 | else if (len > tmin) len = tmin;\r | |
2916 | } while (IS_NOT_NULL(y = NODE_CDR(y)));\r | |
14b0e578 CS |
2917 | }\r |
2918 | break;\r | |
2919 | \r | |
b602265d DG |
2920 | case NODE_STRING:\r |
2921 | {\r | |
2922 | StrNode* sn = STR_(node);\r | |
2923 | len = (int )(sn->end - sn->s);\r | |
14b0e578 CS |
2924 | }\r |
2925 | break;\r | |
2926 | \r | |
b602265d DG |
2927 | case NODE_CTYPE:\r |
2928 | case NODE_CCLASS:\r | |
2929 | len = ONIGENC_MBC_MINLEN(env->enc);\r | |
2930 | break;\r | |
2931 | \r | |
2932 | case NODE_QUANT:\r | |
14b0e578 | 2933 | {\r |
b602265d DG |
2934 | QuantNode* qn = QUANT_(node);\r |
2935 | \r | |
2936 | if (qn->lower > 0) {\r | |
2937 | len = tree_min_len(NODE_BODY(node), env);\r | |
2938 | len = distance_multiply(len, qn->lower);\r | |
14b0e578 CS |
2939 | }\r |
2940 | }\r | |
2941 | break;\r | |
2942 | \r | |
b26691c4 | 2943 | case NODE_BAG:\r |
b602265d | 2944 | {\r |
b26691c4 | 2945 | BagNode* en = BAG_(node);\r |
b602265d | 2946 | switch (en->type) {\r |
b26691c4 | 2947 | case BAG_MEMORY:\r |
b602265d DG |
2948 | if (NODE_IS_MIN_FIXED(node))\r |
2949 | len = en->min_len;\r | |
2950 | else {\r | |
2951 | if (NODE_IS_MARK1(node))\r | |
2952 | len = 0; /* recursive */\r | |
2953 | else {\r | |
2954 | NODE_STATUS_ADD(node, MARK1);\r | |
2955 | len = tree_min_len(NODE_BODY(node), env);\r | |
2956 | NODE_STATUS_REMOVE(node, MARK1);\r | |
14b0e578 | 2957 | \r |
b602265d DG |
2958 | en->min_len = len;\r |
2959 | NODE_STATUS_ADD(node, MIN_FIXED);\r | |
2960 | }\r | |
2961 | }\r | |
2962 | break;\r | |
2963 | \r | |
b26691c4 LG |
2964 | case BAG_OPTION:\r |
2965 | case BAG_STOP_BACKTRACK:\r | |
b602265d DG |
2966 | len = tree_min_len(NODE_BODY(node), env);\r |
2967 | break;\r | |
b26691c4 | 2968 | case BAG_IF_ELSE:\r |
b602265d DG |
2969 | {\r |
2970 | OnigLen elen;\r | |
2971 | \r | |
2972 | len = tree_min_len(NODE_BODY(node), env);\r | |
2973 | if (IS_NOT_NULL(en->te.Then))\r | |
2974 | len += tree_min_len(en->te.Then, env);\r | |
2975 | if (IS_NOT_NULL(en->te.Else))\r | |
2976 | elen = tree_min_len(en->te.Else, env);\r | |
2977 | else elen = 0;\r | |
2978 | \r | |
2979 | if (elen < len) len = elen;\r | |
2980 | }\r | |
2981 | break;\r | |
2982 | }\r | |
14b0e578 CS |
2983 | }\r |
2984 | break;\r | |
2985 | \r | |
b602265d DG |
2986 | case NODE_GIMMICK:\r |
2987 | {\r | |
2988 | GimmickNode* g = GIMMICK_(node);\r | |
2989 | if (g->type == GIMMICK_FAIL) {\r | |
2990 | len = INFINITE_LEN;\r | |
2991 | break;\r | |
2992 | }\r | |
2993 | }\r | |
2994 | /* fall */\r | |
2995 | case NODE_ANCHOR:\r | |
14b0e578 CS |
2996 | default:\r |
2997 | break;\r | |
2998 | }\r | |
2999 | \r | |
b602265d | 3000 | return len;\r |
14b0e578 CS |
3001 | }\r |
3002 | \r | |
b602265d DG |
3003 | static OnigLen\r |
3004 | tree_max_len(Node* node, ScanEnv* env)\r | |
14b0e578 | 3005 | {\r |
b602265d DG |
3006 | OnigLen len;\r |
3007 | OnigLen tmax;\r | |
14b0e578 | 3008 | \r |
b602265d DG |
3009 | len = 0;\r |
3010 | switch (NODE_TYPE(node)) {\r | |
3011 | case NODE_LIST:\r | |
14b0e578 | 3012 | do {\r |
b602265d DG |
3013 | tmax = tree_max_len(NODE_CAR(node), env);\r |
3014 | len = distance_add(len, tmax);\r | |
3015 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
3016 | break;\r |
3017 | \r | |
b602265d DG |
3018 | case NODE_ALT:\r |
3019 | do {\r | |
3020 | tmax = tree_max_len(NODE_CAR(node), env);\r | |
3021 | if (len < tmax) len = tmax;\r | |
3022 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
3023 | break;\r |
3024 | \r | |
b602265d | 3025 | case NODE_STRING:\r |
14b0e578 | 3026 | {\r |
b602265d DG |
3027 | StrNode* sn = STR_(node);\r |
3028 | len = (OnigLen )(sn->end - sn->s);\r | |
3029 | }\r | |
3030 | break;\r | |
3031 | \r | |
3032 | case NODE_CTYPE:\r | |
3033 | case NODE_CCLASS:\r | |
3034 | len = ONIGENC_MBC_MAXLEN_DIST(env->enc);\r | |
3035 | break;\r | |
3036 | \r | |
3037 | case NODE_BACKREF:\r | |
3038 | if (! NODE_IS_CHECKER(node)) {\r | |
3039 | int i;\r | |
3040 | int* backs;\r | |
3041 | MemEnv* mem_env = SCANENV_MEMENV(env);\r | |
3042 | BackRefNode* br = BACKREF_(node);\r | |
3043 | if (NODE_IS_RECURSION(node)) {\r | |
3044 | len = INFINITE_LEN;\r | |
3045 | break;\r | |
3046 | }\r | |
3047 | backs = BACKREFS_P(br);\r | |
3048 | for (i = 0; i < br->back_num; i++) {\r | |
3049 | tmax = tree_max_len(mem_env[backs[i]].node, env);\r | |
3050 | if (len < tmax) len = tmax;\r | |
14b0e578 CS |
3051 | }\r |
3052 | }\r | |
3053 | break;\r | |
3054 | \r | |
b602265d DG |
3055 | #ifdef USE_CALL\r |
3056 | case NODE_CALL:\r | |
3057 | if (! NODE_IS_RECURSION(node))\r | |
3058 | len = tree_max_len(NODE_BODY(node), env);\r | |
3059 | else\r | |
3060 | len = INFINITE_LEN;\r | |
3061 | break;\r | |
3062 | #endif\r | |
3063 | \r | |
3064 | case NODE_QUANT:\r | |
14b0e578 | 3065 | {\r |
b602265d | 3066 | QuantNode* qn = QUANT_(node);\r |
14b0e578 | 3067 | \r |
b602265d DG |
3068 | if (qn->upper != 0) {\r |
3069 | len = tree_max_len(NODE_BODY(node), env);\r | |
3070 | if (len != 0) {\r | |
b26691c4 | 3071 | if (! IS_INFINITE_REPEAT(qn->upper))\r |
b602265d DG |
3072 | len = distance_multiply(len, qn->upper);\r |
3073 | else\r | |
3074 | len = INFINITE_LEN;\r | |
3075 | }\r | |
14b0e578 | 3076 | }\r |
14b0e578 | 3077 | }\r |
b602265d DG |
3078 | break;\r |
3079 | \r | |
b26691c4 | 3080 | case NODE_BAG:\r |
b602265d | 3081 | {\r |
b26691c4 | 3082 | BagNode* en = BAG_(node);\r |
b602265d | 3083 | switch (en->type) {\r |
b26691c4 | 3084 | case BAG_MEMORY:\r |
b602265d DG |
3085 | if (NODE_IS_MAX_FIXED(node))\r |
3086 | len = en->max_len;\r | |
3087 | else {\r | |
3088 | if (NODE_IS_MARK1(node))\r | |
3089 | len = INFINITE_LEN;\r | |
3090 | else {\r | |
3091 | NODE_STATUS_ADD(node, MARK1);\r | |
3092 | len = tree_max_len(NODE_BODY(node), env);\r | |
3093 | NODE_STATUS_REMOVE(node, MARK1);\r | |
3094 | \r | |
3095 | en->max_len = len;\r | |
3096 | NODE_STATUS_ADD(node, MAX_FIXED);\r | |
3097 | }\r | |
3098 | }\r | |
3099 | break;\r | |
3100 | \r | |
b26691c4 LG |
3101 | case BAG_OPTION:\r |
3102 | case BAG_STOP_BACKTRACK:\r | |
b602265d DG |
3103 | len = tree_max_len(NODE_BODY(node), env);\r |
3104 | break;\r | |
b26691c4 | 3105 | case BAG_IF_ELSE:\r |
b602265d DG |
3106 | {\r |
3107 | OnigLen tlen, elen;\r | |
3108 | \r | |
3109 | len = tree_max_len(NODE_BODY(node), env);\r | |
3110 | if (IS_NOT_NULL(en->te.Then)) {\r | |
3111 | tlen = tree_max_len(en->te.Then, env);\r | |
3112 | len = distance_add(len, tlen);\r | |
3113 | }\r | |
3114 | if (IS_NOT_NULL(en->te.Else))\r | |
3115 | elen = tree_max_len(en->te.Else, env);\r | |
3116 | else elen = 0;\r | |
14b0e578 | 3117 | \r |
b602265d DG |
3118 | if (elen > len) len = elen;\r |
3119 | }\r | |
3120 | break;\r | |
3121 | }\r | |
3122 | }\r | |
14b0e578 CS |
3123 | break;\r |
3124 | \r | |
b602265d DG |
3125 | case NODE_ANCHOR:\r |
3126 | case NODE_GIMMICK:\r | |
14b0e578 CS |
3127 | default:\r |
3128 | break;\r | |
3129 | }\r | |
3130 | \r | |
b602265d | 3131 | return len;\r |
14b0e578 CS |
3132 | }\r |
3133 | \r | |
3134 | static int\r | |
b602265d | 3135 | check_backrefs(Node* node, ScanEnv* env)\r |
14b0e578 | 3136 | {\r |
b602265d | 3137 | int r;\r |
14b0e578 | 3138 | \r |
b602265d DG |
3139 | switch (NODE_TYPE(node)) {\r |
3140 | case NODE_LIST:\r | |
3141 | case NODE_ALT:\r | |
14b0e578 | 3142 | do {\r |
b602265d DG |
3143 | r = check_backrefs(NODE_CAR(node), env);\r |
3144 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
3145 | break;\r |
3146 | \r | |
b602265d DG |
3147 | case NODE_ANCHOR:\r |
3148 | if (! ANCHOR_HAS_BODY(ANCHOR_(node))) {\r | |
3149 | r = 0;\r | |
3150 | break;\r | |
3151 | }\r | |
3152 | /* fall */\r | |
3153 | case NODE_QUANT:\r | |
3154 | r = check_backrefs(NODE_BODY(node), env);\r | |
14b0e578 CS |
3155 | break;\r |
3156 | \r | |
b26691c4 | 3157 | case NODE_BAG:\r |
b602265d | 3158 | r = check_backrefs(NODE_BODY(node), env);\r |
14b0e578 | 3159 | {\r |
b26691c4 | 3160 | BagNode* en = BAG_(node);\r |
b602265d | 3161 | \r |
b26691c4 | 3162 | if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
3163 | if (r != 0) return r;\r |
3164 | if (IS_NOT_NULL(en->te.Then)) {\r | |
3165 | r = check_backrefs(en->te.Then, env);\r | |
3166 | if (r != 0) return r;\r | |
3167 | }\r | |
3168 | if (IS_NOT_NULL(en->te.Else)) {\r | |
3169 | r = check_backrefs(en->te.Else, env);\r | |
3170 | }\r | |
14b0e578 CS |
3171 | }\r |
3172 | }\r | |
3173 | break;\r | |
3174 | \r | |
b602265d DG |
3175 | case NODE_BACKREF:\r |
3176 | {\r | |
3177 | int i;\r | |
3178 | BackRefNode* br = BACKREF_(node);\r | |
3179 | int* backs = BACKREFS_P(br);\r | |
3180 | MemEnv* mem_env = SCANENV_MEMENV(env);\r | |
14b0e578 | 3181 | \r |
b602265d DG |
3182 | for (i = 0; i < br->back_num; i++) {\r |
3183 | if (backs[i] > env->num_mem)\r | |
3184 | return ONIGERR_INVALID_BACKREF;\r | |
3185 | \r | |
3186 | NODE_STATUS_ADD(mem_env[backs[i]].node, BACKREF);\r | |
3187 | }\r | |
3188 | r = 0;\r | |
14b0e578 CS |
3189 | }\r |
3190 | break;\r | |
3191 | \r | |
3192 | default:\r | |
b602265d | 3193 | r = 0;\r |
14b0e578 CS |
3194 | break;\r |
3195 | }\r | |
3196 | \r | |
3197 | return r;\r | |
3198 | }\r | |
3199 | \r | |
3200 | \r | |
b602265d DG |
3201 | #ifdef USE_CALL\r |
3202 | \r | |
3203 | #define RECURSION_EXIST (1<<0)\r | |
3204 | #define RECURSION_MUST (1<<1)\r | |
3205 | #define RECURSION_INFINITE (1<<2)\r | |
3206 | \r | |
14b0e578 | 3207 | static int\r |
b602265d | 3208 | infinite_recursive_call_check(Node* node, ScanEnv* env, int head)\r |
14b0e578 | 3209 | {\r |
b602265d | 3210 | int ret;\r |
14b0e578 CS |
3211 | int r = 0;\r |
3212 | \r | |
b602265d DG |
3213 | switch (NODE_TYPE(node)) {\r |
3214 | case NODE_LIST:\r | |
14b0e578 | 3215 | {\r |
b602265d DG |
3216 | Node *x;\r |
3217 | OnigLen min;\r | |
3218 | \r | |
3219 | x = node;\r | |
14b0e578 | 3220 | do {\r |
b602265d DG |
3221 | ret = infinite_recursive_call_check(NODE_CAR(x), env, head);\r |
3222 | if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;\r | |
3223 | r |= ret;\r | |
3224 | if (head != 0) {\r | |
3225 | min = tree_min_len(NODE_CAR(x), env);\r | |
3226 | if (min != 0) head = 0;\r | |
3227 | }\r | |
3228 | } while (IS_NOT_NULL(x = NODE_CDR(x)));\r | |
14b0e578 CS |
3229 | }\r |
3230 | break;\r | |
3231 | \r | |
b602265d DG |
3232 | case NODE_ALT:\r |
3233 | {\r | |
3234 | int must;\r | |
3235 | \r | |
3236 | must = RECURSION_MUST;\r | |
3237 | do {\r | |
3238 | ret = infinite_recursive_call_check(NODE_CAR(node), env, head);\r | |
3239 | if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;\r | |
3240 | \r | |
3241 | r |= (ret & RECURSION_EXIST);\r | |
3242 | must &= ret;\r | |
3243 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
3244 | r |= must;\r | |
14b0e578 CS |
3245 | }\r |
3246 | break;\r | |
3247 | \r | |
b602265d DG |
3248 | case NODE_QUANT:\r |
3249 | r = infinite_recursive_call_check(NODE_BODY(node), env, head);\r | |
3250 | if (r < 0) return r;\r | |
3251 | if ((r & RECURSION_MUST) != 0) {\r | |
3252 | if (QUANT_(node)->lower == 0)\r | |
3253 | r &= ~RECURSION_MUST;\r | |
14b0e578 CS |
3254 | }\r |
3255 | break;\r | |
3256 | \r | |
b602265d DG |
3257 | case NODE_ANCHOR:\r |
3258 | if (! ANCHOR_HAS_BODY(ANCHOR_(node)))\r | |
3259 | break;\r | |
3260 | /* fall */\r | |
3261 | case NODE_CALL:\r | |
3262 | r = infinite_recursive_call_check(NODE_BODY(node), env, head);\r | |
3263 | break;\r | |
3264 | \r | |
b26691c4 | 3265 | case NODE_BAG:\r |
14b0e578 | 3266 | {\r |
b26691c4 | 3267 | BagNode* en = BAG_(node);\r |
b602265d | 3268 | \r |
b26691c4 | 3269 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
3270 | if (NODE_IS_MARK2(node))\r |
3271 | return 0;\r | |
3272 | else if (NODE_IS_MARK1(node))\r | |
3273 | return (head == 0 ? RECURSION_EXIST | RECURSION_MUST\r | |
3274 | : RECURSION_EXIST | RECURSION_MUST | RECURSION_INFINITE);\r | |
3275 | else {\r | |
3276 | NODE_STATUS_ADD(node, MARK2);\r | |
3277 | r = infinite_recursive_call_check(NODE_BODY(node), env, head);\r | |
3278 | NODE_STATUS_REMOVE(node, MARK2);\r | |
3279 | }\r | |
3280 | }\r | |
b26691c4 | 3281 | else if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
3282 | int eret;\r |
3283 | \r | |
3284 | ret = infinite_recursive_call_check(NODE_BODY(node), env, head);\r | |
3285 | if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;\r | |
3286 | r |= ret;\r | |
3287 | if (IS_NOT_NULL(en->te.Then)) {\r | |
3288 | OnigLen min;\r | |
3289 | if (head != 0) {\r | |
3290 | min = tree_min_len(NODE_BODY(node), env);\r | |
3291 | }\r | |
3292 | else min = 0;\r | |
3293 | \r | |
3294 | ret = infinite_recursive_call_check(en->te.Then, env, min != 0 ? 0:head);\r | |
3295 | if (ret < 0 || (ret & RECURSION_INFINITE) != 0) return ret;\r | |
3296 | r |= ret;\r | |
3297 | }\r | |
3298 | if (IS_NOT_NULL(en->te.Else)) {\r | |
3299 | eret = infinite_recursive_call_check(en->te.Else, env, head);\r | |
3300 | if (eret < 0 || (eret & RECURSION_INFINITE) != 0) return eret;\r | |
3301 | r |= (eret & RECURSION_EXIST);\r | |
3302 | if ((eret & RECURSION_MUST) == 0)\r | |
3303 | r &= ~RECURSION_MUST;\r | |
3304 | }\r | |
3305 | }\r | |
3306 | else {\r | |
3307 | r = infinite_recursive_call_check(NODE_BODY(node), env, head);\r | |
14b0e578 | 3308 | }\r |
14b0e578 CS |
3309 | }\r |
3310 | break;\r | |
3311 | \r | |
3312 | default:\r | |
3313 | break;\r | |
3314 | }\r | |
3315 | \r | |
3316 | return r;\r | |
3317 | }\r | |
3318 | \r | |
3319 | static int\r | |
b602265d | 3320 | infinite_recursive_call_check_trav(Node* node, ScanEnv* env)\r |
14b0e578 | 3321 | {\r |
b602265d | 3322 | int r;\r |
14b0e578 | 3323 | \r |
b602265d DG |
3324 | switch (NODE_TYPE(node)) {\r |
3325 | case NODE_LIST:\r | |
3326 | case NODE_ALT:\r | |
14b0e578 | 3327 | do {\r |
b602265d DG |
3328 | r = infinite_recursive_call_check_trav(NODE_CAR(node), env);\r |
3329 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
3330 | break;\r | |
3331 | \r | |
3332 | case NODE_ANCHOR:\r | |
3333 | if (! ANCHOR_HAS_BODY(ANCHOR_(node))) {\r | |
3334 | r = 0;\r | |
3335 | break;\r | |
3336 | }\r | |
3337 | /* fall */\r | |
3338 | case NODE_QUANT:\r | |
3339 | r = infinite_recursive_call_check_trav(NODE_BODY(node), env);\r | |
3340 | break;\r | |
3341 | \r | |
b26691c4 | 3342 | case NODE_BAG:\r |
b602265d | 3343 | {\r |
b26691c4 | 3344 | BagNode* en = BAG_(node);\r |
b602265d | 3345 | \r |
b26691c4 | 3346 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
3347 | if (NODE_IS_RECURSION(node) && NODE_IS_CALLED(node)) {\r |
3348 | int ret;\r | |
3349 | \r | |
3350 | NODE_STATUS_ADD(node, MARK1);\r | |
3351 | \r | |
3352 | ret = infinite_recursive_call_check(NODE_BODY(node), env, 1);\r | |
3353 | if (ret < 0) return ret;\r | |
3354 | else if ((ret & (RECURSION_MUST | RECURSION_INFINITE)) != 0)\r | |
3355 | return ONIGERR_NEVER_ENDING_RECURSION;\r | |
3356 | \r | |
3357 | NODE_STATUS_REMOVE(node, MARK1);\r | |
3358 | }\r | |
3359 | }\r | |
b26691c4 | 3360 | else if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
3361 | if (IS_NOT_NULL(en->te.Then)) {\r |
3362 | r = infinite_recursive_call_check_trav(en->te.Then, env);\r | |
3363 | if (r != 0) return r;\r | |
3364 | }\r | |
3365 | if (IS_NOT_NULL(en->te.Else)) {\r | |
3366 | r = infinite_recursive_call_check_trav(en->te.Else, env);\r | |
3367 | if (r != 0) return r;\r | |
3368 | }\r | |
3369 | }\r | |
3370 | }\r | |
3371 | \r | |
3372 | r = infinite_recursive_call_check_trav(NODE_BODY(node), env);\r | |
3373 | break;\r | |
3374 | \r | |
3375 | default:\r | |
3376 | r = 0;\r | |
14b0e578 | 3377 | break;\r |
b602265d DG |
3378 | }\r |
3379 | \r | |
3380 | return r;\r | |
3381 | }\r | |
3382 | \r | |
3383 | static int\r | |
3384 | recursive_call_check(Node* node)\r | |
3385 | {\r | |
3386 | int r;\r | |
14b0e578 | 3387 | \r |
b602265d DG |
3388 | switch (NODE_TYPE(node)) {\r |
3389 | case NODE_LIST:\r | |
3390 | case NODE_ALT:\r | |
3391 | r = 0;\r | |
14b0e578 | 3392 | do {\r |
b602265d DG |
3393 | r |= recursive_call_check(NODE_CAR(node));\r |
3394 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
3395 | break;\r |
3396 | \r | |
b602265d DG |
3397 | case NODE_ANCHOR:\r |
3398 | if (! ANCHOR_HAS_BODY(ANCHOR_(node))) {\r | |
3399 | r = 0;\r | |
3400 | break;\r | |
3401 | }\r | |
3402 | /* fall */\r | |
3403 | case NODE_QUANT:\r | |
3404 | r = recursive_call_check(NODE_BODY(node));\r | |
14b0e578 | 3405 | break;\r |
b602265d DG |
3406 | \r |
3407 | case NODE_CALL:\r | |
3408 | r = recursive_call_check(NODE_BODY(node));\r | |
3409 | if (r != 0) {\r | |
3410 | if (NODE_IS_MARK1(NODE_BODY(node)))\r | |
3411 | NODE_STATUS_ADD(node, RECURSION);\r | |
3412 | }\r | |
14b0e578 CS |
3413 | break;\r |
3414 | \r | |
b26691c4 | 3415 | case NODE_BAG:\r |
14b0e578 | 3416 | {\r |
b26691c4 | 3417 | BagNode* en = BAG_(node);\r |
b602265d | 3418 | \r |
b26691c4 | 3419 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
3420 | if (NODE_IS_MARK2(node))\r |
3421 | return 0;\r | |
3422 | else if (NODE_IS_MARK1(node))\r | |
3423 | return 1; /* recursion */\r | |
3424 | else {\r | |
3425 | NODE_STATUS_ADD(node, MARK2);\r | |
3426 | r = recursive_call_check(NODE_BODY(node));\r | |
3427 | NODE_STATUS_REMOVE(node, MARK2);\r | |
3428 | }\r | |
3429 | }\r | |
b26691c4 | 3430 | else if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
3431 | r = 0;\r |
3432 | if (IS_NOT_NULL(en->te.Then)) {\r | |
3433 | r |= recursive_call_check(en->te.Then);\r | |
3434 | }\r | |
3435 | if (IS_NOT_NULL(en->te.Else)) {\r | |
3436 | r |= recursive_call_check(en->te.Else);\r | |
3437 | }\r | |
3438 | r |= recursive_call_check(NODE_BODY(node));\r | |
14b0e578 | 3439 | }\r |
14b0e578 | 3440 | else {\r |
b602265d | 3441 | r = recursive_call_check(NODE_BODY(node));\r |
14b0e578 | 3442 | }\r |
14b0e578 CS |
3443 | }\r |
3444 | break;\r | |
3445 | \r | |
b602265d DG |
3446 | default:\r |
3447 | r = 0;\r | |
3448 | break;\r | |
3449 | }\r | |
3450 | \r | |
3451 | return r;\r | |
3452 | }\r | |
3453 | \r | |
3454 | #define IN_RECURSION (1<<0)\r | |
3455 | #define FOUND_CALLED_NODE 1\r | |
3456 | \r | |
3457 | static int\r | |
3458 | recursive_call_check_trav(Node* node, ScanEnv* env, int state)\r | |
3459 | {\r | |
3460 | int r = 0;\r | |
3461 | \r | |
3462 | switch (NODE_TYPE(node)) {\r | |
3463 | case NODE_LIST:\r | |
3464 | case NODE_ALT:\r | |
14b0e578 | 3465 | {\r |
b602265d DG |
3466 | int ret;\r |
3467 | do {\r | |
3468 | ret = recursive_call_check_trav(NODE_CAR(node), env, state);\r | |
3469 | if (ret == FOUND_CALLED_NODE) r = FOUND_CALLED_NODE;\r | |
3470 | else if (ret < 0) return ret;\r | |
3471 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
3472 | }\r | |
3473 | break;\r | |
14b0e578 | 3474 | \r |
b602265d DG |
3475 | case NODE_QUANT:\r |
3476 | r = recursive_call_check_trav(NODE_BODY(node), env, state);\r | |
3477 | if (QUANT_(node)->upper == 0) {\r | |
3478 | if (r == FOUND_CALLED_NODE)\r | |
3479 | QUANT_(node)->is_refered = 1;\r | |
3480 | }\r | |
3481 | break;\r | |
3482 | \r | |
3483 | case NODE_ANCHOR:\r | |
3484 | {\r | |
3485 | AnchorNode* an = ANCHOR_(node);\r | |
3486 | if (ANCHOR_HAS_BODY(an))\r | |
3487 | r = recursive_call_check_trav(NODE_ANCHOR_BODY(an), env, state);\r | |
3488 | }\r | |
3489 | break;\r | |
3490 | \r | |
b26691c4 | 3491 | case NODE_BAG:\r |
b602265d DG |
3492 | {\r |
3493 | int ret;\r | |
3494 | int state1;\r | |
b26691c4 | 3495 | BagNode* en = BAG_(node);\r |
b602265d | 3496 | \r |
b26691c4 | 3497 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
3498 | if (NODE_IS_CALLED(node) || (state & IN_RECURSION) != 0) {\r |
3499 | if (! NODE_IS_RECURSION(node)) {\r | |
3500 | NODE_STATUS_ADD(node, MARK1);\r | |
3501 | r = recursive_call_check(NODE_BODY(node));\r | |
3502 | if (r != 0)\r | |
3503 | NODE_STATUS_ADD(node, RECURSION);\r | |
3504 | NODE_STATUS_REMOVE(node, MARK1);\r | |
3505 | }\r | |
3506 | \r | |
3507 | if (NODE_IS_CALLED(node))\r | |
3508 | r = FOUND_CALLED_NODE;\r | |
3509 | }\r | |
3510 | }\r | |
3511 | \r | |
3512 | state1 = state;\r | |
3513 | if (NODE_IS_RECURSION(node))\r | |
3514 | state1 |= IN_RECURSION;\r | |
3515 | \r | |
3516 | ret = recursive_call_check_trav(NODE_BODY(node), env, state1);\r | |
3517 | if (ret == FOUND_CALLED_NODE)\r | |
3518 | r = FOUND_CALLED_NODE;\r | |
3519 | \r | |
b26691c4 | 3520 | if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
3521 | if (IS_NOT_NULL(en->te.Then)) {\r |
3522 | ret = recursive_call_check_trav(en->te.Then, env, state1);\r | |
3523 | if (ret == FOUND_CALLED_NODE)\r | |
3524 | r = FOUND_CALLED_NODE;\r | |
3525 | }\r | |
3526 | if (IS_NOT_NULL(en->te.Else)) {\r | |
3527 | ret = recursive_call_check_trav(en->te.Else, env, state1);\r | |
3528 | if (ret == FOUND_CALLED_NODE)\r | |
3529 | r = FOUND_CALLED_NODE;\r | |
3530 | }\r | |
14b0e578 CS |
3531 | }\r |
3532 | }\r | |
3533 | break;\r | |
3534 | \r | |
3535 | default:\r | |
3536 | break;\r | |
3537 | }\r | |
3538 | \r | |
3539 | return r;\r | |
3540 | }\r | |
b602265d | 3541 | \r |
14b0e578 CS |
3542 | #endif\r |
3543 | \r | |
b26691c4 LG |
3544 | #define IN_ALT (1<<0)\r |
3545 | #define IN_NOT (1<<1)\r | |
3546 | #define IN_REAL_REPEAT (1<<2)\r | |
3547 | #define IN_VAR_REPEAT (1<<3)\r | |
3548 | #define IN_ZERO_REPEAT (1<<4)\r | |
3549 | #define IN_MULTI_ENTRY (1<<5)\r | |
3550 | #define IN_LOOK_BEHIND (1<<6)\r | |
3551 | \r | |
3552 | \r | |
14b0e578 CS |
3553 | /* divide different length alternatives in look-behind.\r |
3554 | (?<=A|B) ==> (?<=A)|(?<=B)\r | |
3555 | (?<!A|B) ==> (?<!A)(?<!B)\r | |
3556 | */\r | |
3557 | static int\r | |
3558 | divide_look_behind_alternatives(Node* node)\r | |
3559 | {\r | |
3560 | Node *head, *np, *insert_node;\r | |
b602265d | 3561 | AnchorNode* an = ANCHOR_(node);\r |
14b0e578 CS |
3562 | int anc_type = an->type;\r |
3563 | \r | |
b602265d DG |
3564 | head = NODE_ANCHOR_BODY(an);\r |
3565 | np = NODE_CAR(head);\r | |
14b0e578 | 3566 | swap_node(node, head);\r |
b602265d DG |
3567 | NODE_CAR(node) = head;\r |
3568 | NODE_BODY(head) = np;\r | |
14b0e578 CS |
3569 | \r |
3570 | np = node;\r | |
b602265d DG |
3571 | while (IS_NOT_NULL(np = NODE_CDR(np))) {\r |
3572 | insert_node = onig_node_new_anchor(anc_type, an->ascii_mode);\r | |
14b0e578 | 3573 | CHECK_NULL_RETURN_MEMERR(insert_node);\r |
b602265d DG |
3574 | NODE_BODY(insert_node) = NODE_CAR(np);\r |
3575 | NODE_CAR(np) = insert_node;\r | |
14b0e578 CS |
3576 | }\r |
3577 | \r | |
b26691c4 | 3578 | if (anc_type == ANCR_LOOK_BEHIND_NOT) {\r |
14b0e578 CS |
3579 | np = node;\r |
3580 | do {\r | |
b602265d DG |
3581 | NODE_SET_TYPE(np, NODE_LIST); /* alt -> list */\r |
3582 | } while (IS_NOT_NULL(np = NODE_CDR(np)));\r | |
14b0e578 CS |
3583 | }\r |
3584 | return 0;\r | |
3585 | }\r | |
3586 | \r | |
3587 | static int\r | |
3588 | setup_look_behind(Node* node, regex_t* reg, ScanEnv* env)\r | |
3589 | {\r | |
3590 | int r, len;\r | |
b602265d | 3591 | AnchorNode* an = ANCHOR_(node);\r |
14b0e578 | 3592 | \r |
b26691c4 | 3593 | r = get_char_len_node(NODE_ANCHOR_BODY(an), reg, &len);\r |
14b0e578 CS |
3594 | if (r == 0)\r |
3595 | an->char_len = len;\r | |
3596 | else if (r == GET_CHAR_LEN_VARLEN)\r | |
3597 | r = ONIGERR_INVALID_LOOK_BEHIND_PATTERN;\r | |
3598 | else if (r == GET_CHAR_LEN_TOP_ALT_VARLEN) {\r | |
3599 | if (IS_SYNTAX_BV(env->syntax, ONIG_SYN_DIFFERENT_LEN_ALT_LOOK_BEHIND))\r | |
3600 | r = divide_look_behind_alternatives(node);\r | |
3601 | else\r | |
3602 | r = ONIGERR_INVALID_LOOK_BEHIND_PATTERN;\r | |
3603 | }\r | |
3604 | \r | |
3605 | return r;\r | |
3606 | }\r | |
3607 | \r | |
3608 | static int\r | |
3609 | next_setup(Node* node, Node* next_node, regex_t* reg)\r | |
3610 | {\r | |
b602265d | 3611 | NodeType type;\r |
14b0e578 CS |
3612 | \r |
3613 | retry:\r | |
b602265d DG |
3614 | type = NODE_TYPE(node);\r |
3615 | if (type == NODE_QUANT) {\r | |
3616 | QuantNode* qn = QUANT_(node);\r | |
b26691c4 | 3617 | if (qn->greedy && IS_INFINITE_REPEAT(qn->upper)) {\r |
b602265d | 3618 | #ifdef USE_QUANT_PEEK_NEXT\r |
14b0e578 CS |
3619 | Node* n = get_head_value_node(next_node, 1, reg);\r |
3620 | /* '\0': for UTF-16BE etc... */\r | |
b602265d DG |
3621 | if (IS_NOT_NULL(n) && STR_(n)->s[0] != '\0') {\r |
3622 | qn->next_head_exact = n;\r | |
14b0e578 CS |
3623 | }\r |
3624 | #endif\r | |
3625 | /* automatic posseivation a*b ==> (?>a*)b */\r | |
3626 | if (qn->lower <= 1) {\r | |
b26691c4 | 3627 | if (is_strict_real_node(NODE_BODY(node))) {\r |
b602265d DG |
3628 | Node *x, *y;\r |
3629 | x = get_head_value_node(NODE_BODY(node), 0, reg);\r | |
3630 | if (IS_NOT_NULL(x)) {\r | |
3631 | y = get_head_value_node(next_node, 0, reg);\r | |
3632 | if (IS_NOT_NULL(y) && is_exclusive(x, y, reg)) {\r | |
b26691c4 | 3633 | Node* en = onig_node_new_bag(BAG_STOP_BACKTRACK);\r |
b602265d | 3634 | CHECK_NULL_RETURN_MEMERR(en);\r |
b26691c4 | 3635 | NODE_STATUS_ADD(en, STRICT_REAL_REPEAT);\r |
b602265d DG |
3636 | swap_node(node, en);\r |
3637 | NODE_BODY(node) = en;\r | |
3638 | }\r | |
3639 | }\r | |
3640 | }\r | |
14b0e578 CS |
3641 | }\r |
3642 | }\r | |
3643 | }\r | |
b26691c4 LG |
3644 | else if (type == NODE_BAG) {\r |
3645 | BagNode* en = BAG_(node);\r | |
3646 | if (en->type == BAG_MEMORY) {\r | |
b602265d | 3647 | node = NODE_BODY(node);\r |
14b0e578 CS |
3648 | goto retry;\r |
3649 | }\r | |
3650 | }\r | |
3651 | return 0;\r | |
3652 | }\r | |
3653 | \r | |
3654 | \r | |
3655 | static int\r | |
3656 | update_string_node_case_fold(regex_t* reg, Node *node)\r | |
3657 | {\r | |
3658 | UChar *p, *end, buf[ONIGENC_MBC_CASE_FOLD_MAXLEN];\r | |
3659 | UChar *sbuf, *ebuf, *sp;\r | |
3660 | int r, i, len, sbuf_size;\r | |
b602265d | 3661 | StrNode* sn = STR_(node);\r |
14b0e578 CS |
3662 | \r |
3663 | end = sn->end;\r | |
b602265d | 3664 | sbuf_size = (int )(end - sn->s) * 2;\r |
14b0e578 CS |
3665 | sbuf = (UChar* )xmalloc(sbuf_size);\r |
3666 | CHECK_NULL_RETURN_MEMERR(sbuf);\r | |
3667 | ebuf = sbuf + sbuf_size;\r | |
3668 | \r | |
3669 | sp = sbuf;\r | |
3670 | p = sn->s;\r | |
3671 | while (p < end) {\r | |
3672 | len = ONIGENC_MBC_CASE_FOLD(reg->enc, reg->case_fold_flag, &p, end, buf);\r | |
3673 | for (i = 0; i < len; i++) {\r | |
3674 | if (sp >= ebuf) {\r | |
3675 | sbuf = (UChar* )xrealloc(sbuf, sbuf_size * 2, sbuf_size);\r | |
3676 | CHECK_NULL_RETURN_MEMERR(sbuf);\r | |
3677 | sp = sbuf + sbuf_size;\r | |
3678 | sbuf_size *= 2;\r | |
3679 | ebuf = sbuf + sbuf_size;\r | |
3680 | }\r | |
3681 | \r | |
3682 | *sp++ = buf[i];\r | |
3683 | }\r | |
3684 | }\r | |
3685 | \r | |
3686 | r = onig_node_str_set(node, sbuf, sp);\r | |
3687 | if (r != 0) {\r | |
3688 | xfree(sbuf);\r | |
3689 | return r;\r | |
3690 | }\r | |
3691 | \r | |
3692 | xfree(sbuf);\r | |
3693 | return 0;\r | |
3694 | }\r | |
3695 | \r | |
3696 | static int\r | |
b602265d | 3697 | expand_case_fold_make_rem_string(Node** rnode, UChar *s, UChar *end, regex_t* reg)\r |
14b0e578 CS |
3698 | {\r |
3699 | int r;\r | |
3700 | Node *node;\r | |
3701 | \r | |
3702 | node = onig_node_new_str(s, end);\r | |
3703 | if (IS_NULL(node)) return ONIGERR_MEMORY;\r | |
3704 | \r | |
3705 | r = update_string_node_case_fold(reg, node);\r | |
3706 | if (r != 0) {\r | |
3707 | onig_node_free(node);\r | |
3708 | return r;\r | |
3709 | }\r | |
3710 | \r | |
b602265d DG |
3711 | NODE_STRING_SET_AMBIG(node);\r |
3712 | NODE_STRING_SET_DONT_GET_OPT_INFO(node);\r | |
14b0e578 CS |
3713 | *rnode = node;\r |
3714 | return 0;\r | |
3715 | }\r | |
3716 | \r | |
3717 | static int\r | |
b602265d DG |
3718 | expand_case_fold_string_alt(int item_num, OnigCaseFoldCodeItem items[], UChar *p,\r |
3719 | int slen, UChar *end, regex_t* reg, Node **rnode)\r | |
14b0e578 | 3720 | {\r |
b602265d DG |
3721 | int r, i, j;\r |
3722 | int len;\r | |
3723 | int varlen;\r | |
14b0e578 CS |
3724 | Node *anode, *var_anode, *snode, *xnode, *an;\r |
3725 | UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];\r | |
3726 | \r | |
3727 | *rnode = var_anode = NULL_NODE;\r | |
3728 | \r | |
3729 | varlen = 0;\r | |
3730 | for (i = 0; i < item_num; i++) {\r | |
3731 | if (items[i].byte_len != slen) {\r | |
3732 | varlen = 1;\r | |
3733 | break;\r | |
3734 | }\r | |
3735 | }\r | |
3736 | \r | |
3737 | if (varlen != 0) {\r | |
3738 | *rnode = var_anode = onig_node_new_alt(NULL_NODE, NULL_NODE);\r | |
3739 | if (IS_NULL(var_anode)) return ONIGERR_MEMORY;\r | |
3740 | \r | |
3741 | xnode = onig_node_new_list(NULL, NULL);\r | |
3742 | if (IS_NULL(xnode)) goto mem_err;\r | |
b602265d | 3743 | NODE_CAR(var_anode) = xnode;\r |
14b0e578 CS |
3744 | \r |
3745 | anode = onig_node_new_alt(NULL_NODE, NULL_NODE);\r | |
3746 | if (IS_NULL(anode)) goto mem_err;\r | |
b602265d | 3747 | NODE_CAR(xnode) = anode;\r |
14b0e578 CS |
3748 | }\r |
3749 | else {\r | |
3750 | *rnode = anode = onig_node_new_alt(NULL_NODE, NULL_NODE);\r | |
3751 | if (IS_NULL(anode)) return ONIGERR_MEMORY;\r | |
3752 | }\r | |
3753 | \r | |
3754 | snode = onig_node_new_str(p, p + slen);\r | |
3755 | if (IS_NULL(snode)) goto mem_err;\r | |
3756 | \r | |
b602265d | 3757 | NODE_CAR(anode) = snode;\r |
14b0e578 CS |
3758 | \r |
3759 | for (i = 0; i < item_num; i++) {\r | |
3760 | snode = onig_node_new_str(NULL, NULL);\r | |
3761 | if (IS_NULL(snode)) goto mem_err;\r | |
b26691c4 | 3762 | \r |
14b0e578 CS |
3763 | for (j = 0; j < items[i].code_len; j++) {\r |
3764 | len = ONIGENC_CODE_TO_MBC(reg->enc, items[i].code[j], buf);\r | |
3765 | if (len < 0) {\r | |
b602265d DG |
3766 | r = len;\r |
3767 | goto mem_err2;\r | |
14b0e578 CS |
3768 | }\r |
3769 | \r | |
3770 | r = onig_node_str_cat(snode, buf, buf + len);\r | |
3771 | if (r != 0) goto mem_err2;\r | |
3772 | }\r | |
3773 | \r | |
3774 | an = onig_node_new_alt(NULL_NODE, NULL_NODE);\r | |
3775 | if (IS_NULL(an)) {\r | |
3776 | goto mem_err2;\r | |
3777 | }\r | |
3948c510 DG |
3778 | //The NULL pointer check is not necessary. It is added just for pass static\r |
3779 | //analysis. When condition "items[i].byte_len != slen" is true, "varlen = 1"\r | |
3780 | //in line 3503 will be reached ,so that "if (IS_NULL(var_anode)) return ONIGERR_MEMORY"\r | |
3781 | //in line 3510 will be executed, so the null pointer has been checked before\r | |
3782 | //deferenced in line 3584.\r | |
3783 | if (items[i].byte_len != slen && IS_NOT_NULL(var_anode)) {\r | |
b602265d | 3784 | Node *rem;\r |
14b0e578 CS |
3785 | UChar *q = p + items[i].byte_len;\r |
3786 | \r | |
3787 | if (q < end) {\r | |
3788 | r = expand_case_fold_make_rem_string(&rem, q, end, reg);\r | |
3789 | if (r != 0) {\r | |
3790 | onig_node_free(an);\r | |
3791 | goto mem_err2;\r | |
3792 | }\r | |
3793 | \r | |
3794 | xnode = onig_node_list_add(NULL_NODE, snode);\r | |
3795 | if (IS_NULL(xnode)) {\r | |
3796 | onig_node_free(an);\r | |
3797 | onig_node_free(rem);\r | |
3798 | goto mem_err2;\r | |
3799 | }\r | |
3800 | if (IS_NULL(onig_node_list_add(xnode, rem))) {\r | |
3801 | onig_node_free(an);\r | |
3802 | onig_node_free(xnode);\r | |
3803 | onig_node_free(rem);\r | |
3804 | goto mem_err;\r | |
3805 | }\r | |
3806 | \r | |
b602265d | 3807 | NODE_CAR(an) = xnode;\r |
14b0e578 CS |
3808 | }\r |
3809 | else {\r | |
b602265d | 3810 | NODE_CAR(an) = snode;\r |
14b0e578 CS |
3811 | }\r |
3812 | \r | |
b602265d | 3813 | NODE_CDR(var_anode) = an;\r |
14b0e578 CS |
3814 | var_anode = an;\r |
3815 | }\r | |
3816 | else {\r | |
b602265d DG |
3817 | NODE_CAR(an) = snode;\r |
3818 | NODE_CDR(anode) = an;\r | |
14b0e578 CS |
3819 | anode = an;\r |
3820 | }\r | |
3821 | }\r | |
3822 | \r | |
3823 | return varlen;\r | |
3824 | \r | |
3825 | mem_err2:\r | |
3826 | onig_node_free(snode);\r | |
3827 | \r | |
3828 | mem_err:\r | |
3829 | onig_node_free(*rnode);\r | |
3830 | \r | |
3831 | return ONIGERR_MEMORY;\r | |
3832 | }\r | |
3833 | \r | |
3834 | static int\r | |
b26691c4 LG |
3835 | is_good_case_fold_items_for_search(OnigEncoding enc, int slen,\r |
3836 | int n, OnigCaseFoldCodeItem items[])\r | |
14b0e578 | 3837 | {\r |
b26691c4 LG |
3838 | int i, len;\r |
3839 | UChar buf[ONIGENC_MBC_CASE_FOLD_MAXLEN];\r | |
3840 | \r | |
3841 | for (i = 0; i < n; i++) {\r | |
3842 | OnigCaseFoldCodeItem* item = items + i;\r | |
3843 | \r | |
3844 | if (item->code_len != 1) return 0;\r | |
3845 | if (item->byte_len != slen) return 0;\r | |
3846 | len = ONIGENC_CODE_TO_MBC(enc, item->code[0], buf);\r | |
3847 | if (len != slen) return 0;\r | |
3848 | }\r | |
3849 | \r | |
3850 | return 1;\r | |
3851 | }\r | |
3852 | \r | |
14b0e578 CS |
3853 | #define THRESHOLD_CASE_FOLD_ALT_FOR_EXPANSION 8\r |
3854 | \r | |
b26691c4 LG |
3855 | static int\r |
3856 | expand_case_fold_string(Node* node, regex_t* reg, int state)\r | |
3857 | {\r | |
14b0e578 | 3858 | int r, n, len, alt_num;\r |
b26691c4 LG |
3859 | int fold_len;\r |
3860 | int prev_is_ambig, prev_is_good, is_good, is_in_look_behind;\r | |
14b0e578 | 3861 | UChar *start, *end, *p;\r |
b26691c4 | 3862 | UChar* foldp;\r |
14b0e578 CS |
3863 | Node *top_root, *root, *snode, *prev_node;\r |
3864 | OnigCaseFoldCodeItem items[ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM];\r | |
b26691c4 LG |
3865 | UChar buf[ONIGENC_MBC_CASE_FOLD_MAXLEN];\r |
3866 | StrNode* sn;\r | |
14b0e578 | 3867 | \r |
b602265d | 3868 | if (NODE_STRING_IS_AMBIG(node)) return 0;\r |
14b0e578 | 3869 | \r |
b26691c4 LG |
3870 | sn = STR_(node);\r |
3871 | \r | |
14b0e578 CS |
3872 | start = sn->s;\r |
3873 | end = sn->end;\r | |
3874 | if (start >= end) return 0;\r | |
3875 | \r | |
b26691c4 LG |
3876 | is_in_look_behind = (state & IN_LOOK_BEHIND) != 0;\r |
3877 | \r | |
14b0e578 CS |
3878 | r = 0;\r |
3879 | top_root = root = prev_node = snode = NULL_NODE;\r | |
3880 | alt_num = 1;\r | |
3881 | p = start;\r | |
3882 | while (p < end) {\r | |
b26691c4 LG |
3883 | n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(reg->enc, reg->case_fold_flag,\r |
3884 | p, end, items);\r | |
14b0e578 CS |
3885 | if (n < 0) {\r |
3886 | r = n;\r | |
3887 | goto err;\r | |
3888 | }\r | |
3889 | \r | |
3890 | len = enclen(reg->enc, p);\r | |
b26691c4 | 3891 | is_good = is_good_case_fold_items_for_search(reg->enc, len, n, items);\r |
14b0e578 | 3892 | \r |
b26691c4 LG |
3893 | if (is_in_look_behind ||\r |
3894 | (IS_NOT_NULL(snode) ||\r | |
3895 | (is_good\r | |
3896 | /* expand single char case: ex. /(?i:a)/ */\r | |
3897 | && !(p == start && p + len >= end)))) {\r | |
14b0e578 | 3898 | if (IS_NULL(snode)) {\r |
b602265d DG |
3899 | if (IS_NULL(root) && IS_NOT_NULL(prev_node)) {\r |
3900 | top_root = root = onig_node_list_add(NULL_NODE, prev_node);\r | |
3901 | if (IS_NULL(root)) {\r | |
3902 | onig_node_free(prev_node);\r | |
3903 | goto mem_err;\r | |
3904 | }\r | |
3905 | }\r | |
3906 | \r | |
3907 | prev_node = snode = onig_node_new_str(NULL, NULL);\r | |
3908 | if (IS_NULL(snode)) goto mem_err;\r | |
3909 | if (IS_NOT_NULL(root)) {\r | |
3910 | if (IS_NULL(onig_node_list_add(root, snode))) {\r | |
3911 | onig_node_free(snode);\r | |
3912 | goto mem_err;\r | |
3913 | }\r | |
3914 | }\r | |
b26691c4 LG |
3915 | \r |
3916 | prev_is_ambig = -1; /* -1: new */\r | |
3917 | prev_is_good = 0; /* escape compiler warning */\r | |
3918 | }\r | |
3919 | else {\r | |
3920 | prev_is_ambig = NODE_STRING_IS_AMBIG(snode);\r | |
3921 | prev_is_good = NODE_STRING_IS_GOOD_AMBIG(snode);\r | |
14b0e578 CS |
3922 | }\r |
3923 | \r | |
b26691c4 LG |
3924 | if (n != 0) {\r |
3925 | foldp = p;\r | |
3926 | fold_len = ONIGENC_MBC_CASE_FOLD(reg->enc, reg->case_fold_flag,\r | |
3927 | &foldp, end, buf);\r | |
3928 | foldp = buf;\r | |
3929 | }\r | |
3930 | else {\r | |
3931 | foldp = p; fold_len = len;\r | |
3932 | }\r | |
3933 | \r | |
3934 | if ((prev_is_ambig == 0 && n != 0) ||\r | |
3935 | (prev_is_ambig > 0 && (n == 0 || prev_is_good != is_good))) {\r | |
3936 | if (IS_NULL(root) /* && IS_NOT_NULL(prev_node) */) {\r | |
3937 | top_root = root = onig_node_list_add(NULL_NODE, prev_node);\r | |
3938 | if (IS_NULL(root)) {\r | |
3939 | onig_node_free(prev_node);\r | |
3940 | goto mem_err;\r | |
3941 | }\r | |
3942 | }\r | |
3943 | \r | |
3944 | prev_node = snode = onig_node_new_str(foldp, foldp + fold_len);\r | |
3945 | if (IS_NULL(snode)) goto mem_err;\r | |
3946 | if (IS_NULL(onig_node_list_add(root, snode))) {\r | |
3947 | onig_node_free(snode);\r | |
3948 | goto mem_err;\r | |
3949 | }\r | |
3950 | }\r | |
3951 | else {\r | |
3952 | r = onig_node_str_cat(snode, foldp, foldp + fold_len);\r | |
3953 | if (r != 0) goto err;\r | |
3954 | }\r | |
3955 | \r | |
3956 | if (n != 0) NODE_STRING_SET_AMBIG(snode);\r | |
3957 | if (is_good != 0) NODE_STRING_SET_GOOD_AMBIG(snode);\r | |
14b0e578 CS |
3958 | }\r |
3959 | else {\r | |
3960 | alt_num *= (n + 1);\r | |
3961 | if (alt_num > THRESHOLD_CASE_FOLD_ALT_FOR_EXPANSION) break;\r | |
3962 | \r | |
3963 | if (IS_NULL(root) && IS_NOT_NULL(prev_node)) {\r | |
b602265d DG |
3964 | top_root = root = onig_node_list_add(NULL_NODE, prev_node);\r |
3965 | if (IS_NULL(root)) {\r | |
3966 | onig_node_free(prev_node);\r | |
3967 | goto mem_err;\r | |
3968 | }\r | |
14b0e578 CS |
3969 | }\r |
3970 | \r | |
3971 | r = expand_case_fold_string_alt(n, items, p, len, end, reg, &prev_node);\r | |
3972 | if (r < 0) goto mem_err;\r | |
3973 | if (r == 1) {\r | |
b602265d DG |
3974 | if (IS_NULL(root)) {\r |
3975 | top_root = prev_node;\r | |
3976 | }\r | |
3977 | else {\r | |
3978 | if (IS_NULL(onig_node_list_add(root, prev_node))) {\r | |
3979 | onig_node_free(prev_node);\r | |
3980 | goto mem_err;\r | |
3981 | }\r | |
3982 | }\r | |
3983 | \r | |
3984 | root = NODE_CAR(prev_node);\r | |
3985 | }\r | |
3986 | else { /* r == 0 */\r | |
3987 | if (IS_NOT_NULL(root)) {\r | |
3988 | if (IS_NULL(onig_node_list_add(root, prev_node))) {\r | |
3989 | onig_node_free(prev_node);\r | |
3990 | goto mem_err;\r | |
3991 | }\r | |
3992 | }\r | |
3993 | }\r | |
3994 | \r | |
14b0e578 CS |
3995 | snode = NULL_NODE;\r |
3996 | }\r | |
3997 | \r | |
3998 | p += len;\r | |
3999 | }\r | |
4000 | \r | |
4001 | if (p < end) {\r | |
4002 | Node *srem;\r | |
4003 | \r | |
4004 | r = expand_case_fold_make_rem_string(&srem, p, end, reg);\r | |
4005 | if (r != 0) goto mem_err;\r | |
4006 | \r | |
4007 | if (IS_NOT_NULL(prev_node) && IS_NULL(root)) {\r | |
4008 | top_root = root = onig_node_list_add(NULL_NODE, prev_node);\r | |
4009 | if (IS_NULL(root)) {\r | |
b602265d DG |
4010 | onig_node_free(srem);\r |
4011 | onig_node_free(prev_node);\r | |
4012 | goto mem_err;\r | |
4013 | }\r | |
4014 | }\r | |
4015 | \r | |
4016 | if (IS_NULL(root)) {\r | |
4017 | prev_node = srem;\r | |
4018 | }\r | |
4019 | else {\r | |
4020 | if (IS_NULL(onig_node_list_add(root, srem))) {\r | |
4021 | onig_node_free(srem);\r | |
4022 | goto mem_err;\r | |
4023 | }\r | |
4024 | }\r | |
4025 | }\r | |
4026 | \r | |
4027 | /* ending */\r | |
4028 | top_root = (IS_NOT_NULL(top_root) ? top_root : prev_node);\r | |
4029 | swap_node(node, top_root);\r | |
4030 | onig_node_free(top_root);\r | |
4031 | return 0;\r | |
4032 | \r | |
4033 | mem_err:\r | |
4034 | r = ONIGERR_MEMORY;\r | |
4035 | \r | |
4036 | err:\r | |
4037 | onig_node_free(top_root);\r | |
4038 | return r;\r | |
4039 | }\r | |
4040 | \r | |
b26691c4 LG |
4041 | #ifdef USE_STUBBORN_CHECK_CAPTURES_IN_EMPTY_REPEAT\r |
4042 | static enum BodyEmptyType\r | |
b602265d DG |
4043 | quantifiers_memory_node_info(Node* node)\r |
4044 | {\r | |
b26691c4 | 4045 | int r = BODY_IS_EMPTY_POSSIBILITY;\r |
b602265d DG |
4046 | \r |
4047 | switch (NODE_TYPE(node)) {\r | |
4048 | case NODE_LIST:\r | |
4049 | case NODE_ALT:\r | |
4050 | {\r | |
4051 | int v;\r | |
4052 | do {\r | |
4053 | v = quantifiers_memory_node_info(NODE_CAR(node));\r | |
4054 | if (v > r) r = v;\r | |
4055 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
4056 | }\r | |
4057 | break;\r | |
4058 | \r | |
4059 | #ifdef USE_CALL\r | |
4060 | case NODE_CALL:\r | |
4061 | if (NODE_IS_RECURSION(node)) {\r | |
b26691c4 | 4062 | return BODY_IS_EMPTY_POSSIBILITY_REC; /* tiny version */\r |
b602265d DG |
4063 | }\r |
4064 | else\r | |
4065 | r = quantifiers_memory_node_info(NODE_BODY(node));\r | |
4066 | break;\r | |
4067 | #endif\r | |
4068 | \r | |
4069 | case NODE_QUANT:\r | |
4070 | {\r | |
4071 | QuantNode* qn = QUANT_(node);\r | |
4072 | if (qn->upper != 0) {\r | |
4073 | r = quantifiers_memory_node_info(NODE_BODY(node));\r | |
4074 | }\r | |
4075 | }\r | |
4076 | break;\r | |
4077 | \r | |
b26691c4 | 4078 | case NODE_BAG:\r |
b602265d | 4079 | {\r |
b26691c4 | 4080 | BagNode* en = BAG_(node);\r |
b602265d | 4081 | switch (en->type) {\r |
b26691c4 | 4082 | case BAG_MEMORY:\r |
b602265d | 4083 | if (NODE_IS_RECURSION(node)) {\r |
b26691c4 | 4084 | return BODY_IS_EMPTY_POSSIBILITY_REC;\r |
b602265d | 4085 | }\r |
b26691c4 | 4086 | return BODY_IS_EMPTY_POSSIBILITY_MEM;\r |
b602265d DG |
4087 | break;\r |
4088 | \r | |
b26691c4 LG |
4089 | case BAG_OPTION:\r |
4090 | case BAG_STOP_BACKTRACK:\r | |
b602265d DG |
4091 | r = quantifiers_memory_node_info(NODE_BODY(node));\r |
4092 | break;\r | |
b26691c4 | 4093 | case BAG_IF_ELSE:\r |
b602265d DG |
4094 | {\r |
4095 | int v;\r | |
4096 | r = quantifiers_memory_node_info(NODE_BODY(node));\r | |
4097 | if (IS_NOT_NULL(en->te.Then)) {\r | |
4098 | v = quantifiers_memory_node_info(en->te.Then);\r | |
4099 | if (v > r) r = v;\r | |
4100 | }\r | |
4101 | if (IS_NOT_NULL(en->te.Else)) {\r | |
4102 | v = quantifiers_memory_node_info(en->te.Else);\r | |
4103 | if (v > r) r = v;\r | |
4104 | }\r | |
4105 | }\r | |
4106 | break;\r | |
b602265d DG |
4107 | }\r |
4108 | }\r | |
4109 | break;\r | |
4110 | \r | |
4111 | case NODE_BACKREF:\r | |
4112 | case NODE_STRING:\r | |
4113 | case NODE_CTYPE:\r | |
4114 | case NODE_CCLASS:\r | |
4115 | case NODE_ANCHOR:\r | |
4116 | case NODE_GIMMICK:\r | |
4117 | default:\r | |
4118 | break;\r | |
4119 | }\r | |
4120 | \r | |
4121 | return r;\r | |
4122 | }\r | |
b26691c4 | 4123 | #endif /* USE_STUBBORN_CHECK_CAPTURES_IN_EMPTY_REPEAT */\r |
b602265d | 4124 | \r |
b602265d DG |
4125 | \r |
4126 | #ifdef USE_CALL\r | |
4127 | \r | |
4128 | #ifdef __GNUC__\r | |
4129 | __inline\r | |
4130 | #endif\r | |
4131 | static int\r | |
4132 | setup_call_node_call(CallNode* cn, ScanEnv* env, int state)\r | |
4133 | {\r | |
4134 | MemEnv* mem_env = SCANENV_MEMENV(env);\r | |
4135 | \r | |
4136 | if (cn->by_number != 0) {\r | |
4137 | int gnum = cn->group_num;\r | |
4138 | \r | |
4139 | if (env->num_named > 0 &&\r | |
4140 | IS_SYNTAX_BV(env->syntax, ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP) &&\r | |
4141 | ! ONIG_IS_OPTION_ON(env->options, ONIG_OPTION_CAPTURE_GROUP)) {\r | |
4142 | return ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED;\r | |
4143 | }\r | |
4144 | \r | |
4145 | if (gnum > env->num_mem) {\r | |
4146 | onig_scan_env_set_error_string(env, ONIGERR_UNDEFINED_GROUP_REFERENCE,\r | |
4147 | cn->name, cn->name_end);\r | |
4148 | return ONIGERR_UNDEFINED_GROUP_REFERENCE;\r | |
4149 | }\r | |
4150 | \r | |
4151 | set_call_attr:\r | |
4152 | NODE_CALL_BODY(cn) = mem_env[cn->group_num].node;\r | |
4153 | if (IS_NULL(NODE_CALL_BODY(cn))) {\r | |
4154 | onig_scan_env_set_error_string(env, ONIGERR_UNDEFINED_NAME_REFERENCE,\r | |
4155 | cn->name, cn->name_end);\r | |
4156 | return ONIGERR_UNDEFINED_NAME_REFERENCE;\r | |
4157 | }\r | |
4158 | }\r | |
4159 | else {\r | |
4160 | int *refs;\r | |
4161 | \r | |
4162 | int n = onig_name_to_group_numbers(env->reg, cn->name, cn->name_end, &refs);\r | |
4163 | if (n <= 0) {\r | |
4164 | onig_scan_env_set_error_string(env, ONIGERR_UNDEFINED_NAME_REFERENCE,\r | |
4165 | cn->name, cn->name_end);\r | |
4166 | return ONIGERR_UNDEFINED_NAME_REFERENCE;\r | |
4167 | }\r | |
4168 | else if (n > 1) {\r | |
4169 | onig_scan_env_set_error_string(env, ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL,\r | |
4170 | cn->name, cn->name_end);\r | |
4171 | return ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL;\r | |
4172 | }\r | |
4173 | else {\r | |
4174 | cn->group_num = refs[0];\r | |
4175 | goto set_call_attr;\r | |
4176 | }\r | |
4177 | }\r | |
4178 | \r | |
4179 | return 0;\r | |
4180 | }\r | |
4181 | \r | |
4182 | static void\r | |
4183 | setup_call2_call(Node* node)\r | |
4184 | {\r | |
4185 | switch (NODE_TYPE(node)) {\r | |
4186 | case NODE_LIST:\r | |
4187 | case NODE_ALT:\r | |
4188 | do {\r | |
4189 | setup_call2_call(NODE_CAR(node));\r | |
4190 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
4191 | break;\r | |
4192 | \r | |
4193 | case NODE_QUANT:\r | |
4194 | setup_call2_call(NODE_BODY(node));\r | |
4195 | break;\r | |
4196 | \r | |
4197 | case NODE_ANCHOR:\r | |
4198 | if (ANCHOR_HAS_BODY(ANCHOR_(node)))\r | |
4199 | setup_call2_call(NODE_BODY(node));\r | |
4200 | break;\r | |
4201 | \r | |
b26691c4 | 4202 | case NODE_BAG:\r |
b602265d | 4203 | {\r |
b26691c4 | 4204 | BagNode* en = BAG_(node);\r |
b602265d | 4205 | \r |
b26691c4 | 4206 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
4207 | if (! NODE_IS_MARK1(node)) {\r |
4208 | NODE_STATUS_ADD(node, MARK1);\r | |
4209 | setup_call2_call(NODE_BODY(node));\r | |
4210 | NODE_STATUS_REMOVE(node, MARK1);\r | |
4211 | }\r | |
4212 | }\r | |
b26691c4 | 4213 | else if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
4214 | setup_call2_call(NODE_BODY(node));\r |
4215 | if (IS_NOT_NULL(en->te.Then))\r | |
4216 | setup_call2_call(en->te.Then);\r | |
4217 | if (IS_NOT_NULL(en->te.Else))\r | |
4218 | setup_call2_call(en->te.Else);\r | |
4219 | }\r | |
4220 | else {\r | |
4221 | setup_call2_call(NODE_BODY(node));\r | |
4222 | }\r | |
4223 | }\r | |
4224 | break;\r | |
4225 | \r | |
4226 | case NODE_CALL:\r | |
4227 | if (! NODE_IS_MARK1(node)) {\r | |
4228 | NODE_STATUS_ADD(node, MARK1);\r | |
4229 | {\r | |
4230 | CallNode* cn = CALL_(node);\r | |
4231 | Node* called = NODE_CALL_BODY(cn);\r | |
4232 | \r | |
4233 | cn->entry_count++;\r | |
4234 | \r | |
4235 | NODE_STATUS_ADD(called, CALLED);\r | |
b26691c4 | 4236 | BAG_(called)->m.entry_count++;\r |
b602265d DG |
4237 | setup_call2_call(called);\r |
4238 | }\r | |
4239 | NODE_STATUS_REMOVE(node, MARK1);\r | |
4240 | }\r | |
4241 | break;\r | |
4242 | \r | |
4243 | default:\r | |
4244 | break;\r | |
4245 | }\r | |
4246 | }\r | |
4247 | \r | |
4248 | static int\r | |
4249 | setup_call(Node* node, ScanEnv* env, int state)\r | |
4250 | {\r | |
4251 | int r;\r | |
4252 | \r | |
4253 | switch (NODE_TYPE(node)) {\r | |
4254 | case NODE_LIST:\r | |
4255 | case NODE_ALT:\r | |
4256 | do {\r | |
4257 | r = setup_call(NODE_CAR(node), env, state);\r | |
4258 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
4259 | break;\r | |
4260 | \r | |
4261 | case NODE_QUANT:\r | |
4262 | if (QUANT_(node)->upper == 0)\r | |
4263 | state |= IN_ZERO_REPEAT;\r | |
4264 | \r | |
4265 | r = setup_call(NODE_BODY(node), env, state);\r | |
4266 | break;\r | |
4267 | \r | |
4268 | case NODE_ANCHOR:\r | |
4269 | if (ANCHOR_HAS_BODY(ANCHOR_(node)))\r | |
4270 | r = setup_call(NODE_BODY(node), env, state);\r | |
4271 | else\r | |
4272 | r = 0;\r | |
4273 | break;\r | |
4274 | \r | |
b26691c4 | 4275 | case NODE_BAG:\r |
b602265d | 4276 | {\r |
b26691c4 | 4277 | BagNode* en = BAG_(node);\r |
b602265d | 4278 | \r |
b26691c4 | 4279 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
4280 | if ((state & IN_ZERO_REPEAT) != 0) {\r |
4281 | NODE_STATUS_ADD(node, IN_ZERO_REPEAT);\r | |
b26691c4 | 4282 | BAG_(node)->m.entry_count--;\r |
b602265d DG |
4283 | }\r |
4284 | r = setup_call(NODE_BODY(node), env, state);\r | |
4285 | }\r | |
b26691c4 | 4286 | else if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
4287 | r = setup_call(NODE_BODY(node), env, state);\r |
4288 | if (r != 0) return r;\r | |
4289 | if (IS_NOT_NULL(en->te.Then)) {\r | |
4290 | r = setup_call(en->te.Then, env, state);\r | |
4291 | if (r != 0) return r;\r | |
4292 | }\r | |
4293 | if (IS_NOT_NULL(en->te.Else))\r | |
4294 | r = setup_call(en->te.Else, env, state);\r | |
4295 | }\r | |
4296 | else\r | |
4297 | r = setup_call(NODE_BODY(node), env, state);\r | |
4298 | }\r | |
4299 | break;\r | |
4300 | \r | |
4301 | case NODE_CALL:\r | |
4302 | if ((state & IN_ZERO_REPEAT) != 0) {\r | |
4303 | NODE_STATUS_ADD(node, IN_ZERO_REPEAT);\r | |
4304 | CALL_(node)->entry_count--;\r | |
4305 | }\r | |
4306 | \r | |
4307 | r = setup_call_node_call(CALL_(node), env, state);\r | |
4308 | break;\r | |
4309 | \r | |
4310 | default:\r | |
4311 | r = 0;\r | |
4312 | break;\r | |
4313 | }\r | |
4314 | \r | |
4315 | return r;\r | |
4316 | }\r | |
4317 | \r | |
4318 | static int\r | |
4319 | setup_call2(Node* node)\r | |
4320 | {\r | |
4321 | int r = 0;\r | |
4322 | \r | |
4323 | switch (NODE_TYPE(node)) {\r | |
4324 | case NODE_LIST:\r | |
4325 | case NODE_ALT:\r | |
4326 | do {\r | |
4327 | r = setup_call2(NODE_CAR(node));\r | |
4328 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
4329 | break;\r | |
4330 | \r | |
4331 | case NODE_QUANT:\r | |
4332 | if (QUANT_(node)->upper != 0)\r | |
4333 | r = setup_call2(NODE_BODY(node));\r | |
4334 | break;\r | |
4335 | \r | |
4336 | case NODE_ANCHOR:\r | |
4337 | if (ANCHOR_HAS_BODY(ANCHOR_(node)))\r | |
4338 | r = setup_call2(NODE_BODY(node));\r | |
4339 | break;\r | |
4340 | \r | |
b26691c4 | 4341 | case NODE_BAG:\r |
b602265d DG |
4342 | if (! NODE_IS_IN_ZERO_REPEAT(node))\r |
4343 | r = setup_call2(NODE_BODY(node));\r | |
4344 | \r | |
4345 | {\r | |
b26691c4 | 4346 | BagNode* en = BAG_(node);\r |
b602265d DG |
4347 | \r |
4348 | if (r != 0) return r;\r | |
b26691c4 | 4349 | if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
4350 | if (IS_NOT_NULL(en->te.Then)) {\r |
4351 | r = setup_call2(en->te.Then);\r | |
4352 | if (r != 0) return r;\r | |
4353 | }\r | |
4354 | if (IS_NOT_NULL(en->te.Else))\r | |
4355 | r = setup_call2(en->te.Else);\r | |
4356 | }\r | |
4357 | }\r | |
4358 | break;\r | |
4359 | \r | |
4360 | case NODE_CALL:\r | |
4361 | if (! NODE_IS_IN_ZERO_REPEAT(node)) {\r | |
4362 | setup_call2_call(node);\r | |
4363 | }\r | |
4364 | break;\r | |
4365 | \r | |
4366 | default:\r | |
4367 | break;\r | |
4368 | }\r | |
4369 | \r | |
4370 | return r;\r | |
4371 | }\r | |
4372 | \r | |
4373 | \r | |
4374 | static void\r | |
4375 | setup_called_state_call(Node* node, int state)\r | |
4376 | {\r | |
4377 | switch (NODE_TYPE(node)) {\r | |
4378 | case NODE_ALT:\r | |
4379 | state |= IN_ALT;\r | |
4380 | /* fall */\r | |
4381 | case NODE_LIST:\r | |
4382 | do {\r | |
4383 | setup_called_state_call(NODE_CAR(node), state);\r | |
4384 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
4385 | break;\r | |
4386 | \r | |
4387 | case NODE_QUANT:\r | |
4388 | {\r | |
4389 | QuantNode* qn = QUANT_(node);\r | |
4390 | \r | |
b26691c4 | 4391 | if (IS_INFINITE_REPEAT(qn->upper) || qn->upper >= 2)\r |
b602265d DG |
4392 | state |= IN_REAL_REPEAT;\r |
4393 | if (qn->lower != qn->upper)\r | |
4394 | state |= IN_VAR_REPEAT;\r | |
4395 | \r | |
4396 | setup_called_state_call(NODE_QUANT_BODY(qn), state);\r | |
4397 | }\r | |
4398 | break;\r | |
4399 | \r | |
4400 | case NODE_ANCHOR:\r | |
4401 | {\r | |
4402 | AnchorNode* an = ANCHOR_(node);\r | |
4403 | \r | |
4404 | switch (an->type) {\r | |
b26691c4 LG |
4405 | case ANCR_PREC_READ_NOT:\r |
4406 | case ANCR_LOOK_BEHIND_NOT:\r | |
b602265d DG |
4407 | state |= IN_NOT;\r |
4408 | /* fall */\r | |
b26691c4 LG |
4409 | case ANCR_PREC_READ:\r |
4410 | case ANCR_LOOK_BEHIND:\r | |
b602265d DG |
4411 | setup_called_state_call(NODE_ANCHOR_BODY(an), state);\r |
4412 | break;\r | |
4413 | default:\r | |
4414 | break;\r | |
4415 | }\r | |
4416 | }\r | |
4417 | break;\r | |
4418 | \r | |
b26691c4 | 4419 | case NODE_BAG:\r |
b602265d | 4420 | {\r |
b26691c4 | 4421 | BagNode* en = BAG_(node);\r |
b602265d | 4422 | \r |
b26691c4 | 4423 | if (en->type == BAG_MEMORY) {\r |
b602265d DG |
4424 | if (NODE_IS_MARK1(node)) {\r |
4425 | if ((~en->m.called_state & state) != 0) {\r | |
4426 | en->m.called_state |= state;\r | |
4427 | setup_called_state_call(NODE_BODY(node), state);\r | |
4428 | }\r | |
4429 | }\r | |
4430 | else {\r | |
4431 | NODE_STATUS_ADD(node, MARK1);\r | |
4432 | en->m.called_state |= state;\r | |
4433 | setup_called_state_call(NODE_BODY(node), state);\r | |
4434 | NODE_STATUS_REMOVE(node, MARK1);\r | |
4435 | }\r | |
4436 | }\r | |
b26691c4 | 4437 | else if (en->type == BAG_IF_ELSE) {\r |
b602265d DG |
4438 | if (IS_NOT_NULL(en->te.Then)) {\r |
4439 | setup_called_state_call(en->te.Then, state);\r | |
4440 | }\r | |
4441 | if (IS_NOT_NULL(en->te.Else))\r | |
4442 | setup_called_state_call(en->te.Else, state);\r | |
4443 | }\r | |
4444 | else {\r | |
4445 | setup_called_state_call(NODE_BODY(node), state);\r | |
4446 | }\r | |
4447 | }\r | |
4448 | break;\r | |
4449 | \r | |
4450 | case NODE_CALL:\r | |
4451 | setup_called_state_call(NODE_BODY(node), state);\r | |
4452 | break;\r | |
4453 | \r | |
4454 | default:\r | |
4455 | break;\r | |
4456 | }\r | |
4457 | }\r | |
4458 | \r | |
4459 | static void\r | |
4460 | setup_called_state(Node* node, int state)\r | |
4461 | {\r | |
4462 | switch (NODE_TYPE(node)) {\r | |
4463 | case NODE_ALT:\r | |
4464 | state |= IN_ALT;\r | |
4465 | /* fall */\r | |
4466 | case NODE_LIST:\r | |
4467 | do {\r | |
4468 | setup_called_state(NODE_CAR(node), state);\r | |
4469 | } while (IS_NOT_NULL(node = NODE_CDR(node)));\r | |
4470 | break;\r | |
4471 | \r | |
4472 | #ifdef USE_CALL\r | |
4473 | case NODE_CALL:\r | |
4474 | setup_called_state_call(node, state);\r | |
4475 | break;\r | |
4476 | #endif\r | |
4477 | \r | |
b26691c4 | 4478 | case NODE_BAG:\r |
b602265d | 4479 | {\r |
b26691c4 | 4480 | BagNode* en = BAG_(node);\r |
b602265d DG |
4481 | \r |
4482 | switch (en->type) {\r | |
b26691c4 | 4483 | case BAG_MEMORY:\r |
b602265d DG |
4484 | if (en->m.entry_count > 1)\r |
4485 | state |= IN_MULTI_ENTRY;\r | |
4486 | \r | |
4487 | en->m.called_state |= state;\r | |
4488 | /* fall */\r | |
b26691c4 LG |
4489 | case BAG_OPTION:\r |
4490 | case BAG_STOP_BACKTRACK:\r | |
b602265d DG |
4491 | setup_called_state(NODE_BODY(node), state);\r |
4492 | break;\r | |
b26691c4 | 4493 | case BAG_IF_ELSE:\r |
b602265d DG |
4494 | setup_called_state(NODE_BODY(node), state);\r |
4495 | if (IS_NOT_NULL(en->te.Then))\r | |
4496 | setup_called_state(en->te.Then, state);\r | |
4497 | if (IS_NOT_NULL(en->te.Else))\r | |
4498 | setup_called_state(en->te.Else, state);\r | |
4499 | break;\r | |
4500 | }\r | |
4501 | }\r | |
4502 | break;\r | |
4503 | \r | |
4504 | case NODE_QUANT:\r | |
4505 | {\r | |
4506 | QuantNode* qn = QUANT_(node);\r | |
4507 | \r | |
b26691c4 | 4508 | if (IS_INFINITE_REPEAT(qn->upper) || qn->upper >= 2)\r |
b602265d DG |
4509 | state |= IN_REAL_REPEAT;\r |
4510 | if (qn->lower != qn->upper)\r | |
4511 | state |= IN_VAR_REPEAT;\r | |
4512 | \r | |
4513 | setup_called_state(NODE_QUANT_BODY(qn), state);\r | |
4514 | }\r | |
4515 | break;\r | |
4516 | \r | |
4517 | case NODE_ANCHOR:\r | |
4518 | {\r | |
4519 | AnchorNode* an = ANCHOR_(node);\r | |
4520 | \r | |
4521 | switch (an->type) {\r | |
b26691c4 LG |
4522 | case ANCR_PREC_READ_NOT:\r |
4523 | case ANCR_LOOK_BEHIND_NOT:\r | |
b602265d DG |
4524 | state |= IN_NOT;\r |
4525 | /* fall */\r | |
b26691c4 LG |
4526 | case ANCR_PREC_READ:\r |
4527 | case ANCR_LOOK_BEHIND:\r | |
b602265d DG |
4528 | setup_called_state(NODE_ANCHOR_BODY(an), state);\r |
4529 | break;\r | |
4530 | default:\r | |
4531 | break;\r | |
14b0e578 CS |
4532 | }\r |
4533 | }\r | |
b602265d | 4534 | break;\r |
14b0e578 | 4535 | \r |
b602265d DG |
4536 | case NODE_BACKREF:\r |
4537 | case NODE_STRING:\r | |
4538 | case NODE_CTYPE:\r | |
4539 | case NODE_CCLASS:\r | |
4540 | case NODE_GIMMICK:\r | |
4541 | default:\r | |
4542 | break;\r | |
14b0e578 | 4543 | }\r |
b602265d | 4544 | }\r |
14b0e578 | 4545 | \r |
b602265d | 4546 | #endif /* USE_CALL */\r |
14b0e578 | 4547 | \r |
14b0e578 | 4548 | \r |
b602265d DG |
4549 | static int setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env);\r |
4550 | \r | |
4551 | #ifdef __GNUC__\r | |
4552 | __inline\r | |
4553 | #endif\r | |
4554 | static int\r | |
4555 | setup_anchor(Node* node, regex_t* reg, int state, ScanEnv* env)\r | |
4556 | {\r | |
4557 | /* allowed node types in look-behind */\r | |
4558 | #define ALLOWED_TYPE_IN_LB \\r | |
4559 | ( NODE_BIT_LIST | NODE_BIT_ALT | NODE_BIT_STRING | NODE_BIT_CCLASS \\r | |
b26691c4 | 4560 | | NODE_BIT_CTYPE | NODE_BIT_ANCHOR | NODE_BIT_BAG | NODE_BIT_QUANT \\r |
b602265d | 4561 | | NODE_BIT_CALL | NODE_BIT_GIMMICK)\r |
14b0e578 | 4562 | \r |
b26691c4 LG |
4563 | #define ALLOWED_BAG_IN_LB ( 1<<BAG_MEMORY | 1<<BAG_OPTION | 1<<BAG_IF_ELSE )\r |
4564 | #define ALLOWED_BAG_IN_LB_NOT ( 1<<BAG_OPTION | 1<<BAG_IF_ELSE )\r | |
14b0e578 | 4565 | \r |
b602265d | 4566 | #define ALLOWED_ANCHOR_IN_LB \\r |
b26691c4 LG |
4567 | ( ANCR_LOOK_BEHIND | ANCR_BEGIN_LINE | ANCR_END_LINE | ANCR_BEGIN_BUF \\r |
4568 | | ANCR_BEGIN_POSITION | ANCR_WORD_BOUNDARY | ANCR_NO_WORD_BOUNDARY \\r | |
4569 | | ANCR_WORD_BEGIN | ANCR_WORD_END \\r | |
4570 | | ANCR_TEXT_SEGMENT_BOUNDARY | ANCR_NO_TEXT_SEGMENT_BOUNDARY )\r | |
14b0e578 | 4571 | \r |
b602265d | 4572 | #define ALLOWED_ANCHOR_IN_LB_NOT \\r |
b26691c4 LG |
4573 | ( ANCR_LOOK_BEHIND | ANCR_LOOK_BEHIND_NOT | ANCR_BEGIN_LINE \\r |
4574 | | ANCR_END_LINE | ANCR_BEGIN_BUF | ANCR_BEGIN_POSITION | ANCR_WORD_BOUNDARY \\r | |
4575 | | ANCR_NO_WORD_BOUNDARY | ANCR_WORD_BEGIN | ANCR_WORD_END \\r | |
4576 | | ANCR_TEXT_SEGMENT_BOUNDARY | ANCR_NO_TEXT_SEGMENT_BOUNDARY )\r | |
14b0e578 | 4577 | \r |
b602265d DG |
4578 | int r;\r |
4579 | AnchorNode* an = ANCHOR_(node);\r | |
14b0e578 | 4580 | \r |
b602265d | 4581 | switch (an->type) {\r |
b26691c4 | 4582 | case ANCR_PREC_READ:\r |
b602265d DG |
4583 | r = setup_tree(NODE_ANCHOR_BODY(an), reg, state, env);\r |
4584 | break;\r | |
b26691c4 | 4585 | case ANCR_PREC_READ_NOT:\r |
b602265d DG |
4586 | r = setup_tree(NODE_ANCHOR_BODY(an), reg, (state | IN_NOT), env);\r |
4587 | break;\r | |
14b0e578 | 4588 | \r |
b26691c4 | 4589 | case ANCR_LOOK_BEHIND:\r |
14b0e578 | 4590 | {\r |
b602265d | 4591 | r = check_type_tree(NODE_ANCHOR_BODY(an), ALLOWED_TYPE_IN_LB,\r |
b26691c4 | 4592 | ALLOWED_BAG_IN_LB, ALLOWED_ANCHOR_IN_LB);\r |
b602265d DG |
4593 | if (r < 0) return r;\r |
4594 | if (r > 0) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;\r | |
b26691c4 | 4595 | r = setup_tree(NODE_ANCHOR_BODY(an), reg, (state|IN_LOOK_BEHIND), env);\r |
b602265d DG |
4596 | if (r != 0) return r;\r |
4597 | r = setup_look_behind(node, reg, env);\r | |
14b0e578 CS |
4598 | }\r |
4599 | break;\r | |
4600 | \r | |
b26691c4 | 4601 | case ANCR_LOOK_BEHIND_NOT:\r |
14b0e578 | 4602 | {\r |
b602265d | 4603 | r = check_type_tree(NODE_ANCHOR_BODY(an), ALLOWED_TYPE_IN_LB,\r |
b26691c4 | 4604 | ALLOWED_BAG_IN_LB_NOT, ALLOWED_ANCHOR_IN_LB_NOT);\r |
b602265d DG |
4605 | if (r < 0) return r;\r |
4606 | if (r > 0) return ONIGERR_INVALID_LOOK_BEHIND_PATTERN;\r | |
b26691c4 LG |
4607 | r = setup_tree(NODE_ANCHOR_BODY(an), reg, (state|IN_NOT|IN_LOOK_BEHIND),\r |
4608 | env);\r | |
b602265d DG |
4609 | if (r != 0) return r;\r |
4610 | r = setup_look_behind(node, reg, env);\r | |
14b0e578 CS |
4611 | }\r |
4612 | break;\r | |
4613 | \r | |
b602265d DG |
4614 | default:\r |
4615 | r = 0;\r | |
4616 | break;\r | |
4617 | }\r | |
14b0e578 | 4618 | \r |
b602265d DG |
4619 | return r;\r |
4620 | }\r | |
14b0e578 | 4621 | \r |
b602265d DG |
4622 | #ifdef __GNUC__\r |
4623 | __inline\r | |
4624 | #endif\r | |
4625 | static int\r | |
4626 | setup_quant(Node* node, regex_t* reg, int state, ScanEnv* env)\r | |
4627 | {\r | |
4628 | int r;\r | |
4629 | OnigLen d;\r | |
4630 | QuantNode* qn = QUANT_(node);\r | |
4631 | Node* body = NODE_BODY(node);\r | |
4632 | \r | |
4633 | if ((state & IN_REAL_REPEAT) != 0) {\r | |
4634 | NODE_STATUS_ADD(node, IN_REAL_REPEAT);\r | |
4635 | }\r | |
4636 | if ((state & IN_MULTI_ENTRY) != 0) {\r | |
4637 | NODE_STATUS_ADD(node, IN_MULTI_ENTRY);\r | |
4638 | }\r | |
4639 | \r | |
b26691c4 | 4640 | if (IS_INFINITE_REPEAT(qn->upper) || qn->upper >= 1) {\r |
b602265d DG |
4641 | d = tree_min_len(body, env);\r |
4642 | if (d == 0) {\r | |
b26691c4 LG |
4643 | #ifdef USE_STUBBORN_CHECK_CAPTURES_IN_EMPTY_REPEAT\r |
4644 | qn->emptiness = quantifiers_memory_node_info(body);\r | |
4645 | if (qn->emptiness == BODY_IS_EMPTY_POSSIBILITY_REC) {\r | |
4646 | if (NODE_TYPE(body) == NODE_BAG &&\r | |
4647 | BAG_(body)->type == BAG_MEMORY) {\r | |
4648 | MEM_STATUS_ON(env->bt_mem_end, BAG_(body)->m.regnum);\r | |
b602265d DG |
4649 | }\r |
4650 | }\r | |
4651 | #else\r | |
b26691c4 | 4652 | qn->emptiness = BODY_IS_EMPTY_POSSIBILITY;\r |
b602265d | 4653 | #endif\r |
14b0e578 | 4654 | }\r |
b602265d | 4655 | }\r |
14b0e578 | 4656 | \r |
b26691c4 | 4657 | if (IS_INFINITE_REPEAT(qn->upper) || qn->upper >= 2)\r |
b602265d DG |
4658 | state |= IN_REAL_REPEAT;\r |
4659 | if (qn->lower != qn->upper)\r | |
4660 | state |= IN_VAR_REPEAT;\r | |
14b0e578 | 4661 | \r |
b602265d DG |
4662 | r = setup_tree(body, reg, state, env);\r |
4663 | if (r != 0) return r;\r | |
14b0e578 | 4664 | \r |
b602265d DG |
4665 | /* expand string */\r |
4666 | #define EXPAND_STRING_MAX_LENGTH 100\r | |
4667 | if (NODE_TYPE(body) == NODE_STRING) {\r | |
b26691c4 | 4668 | if (!IS_INFINITE_REPEAT(qn->lower) && qn->lower == qn->upper &&\r |
b602265d DG |
4669 | qn->lower > 1 && qn->lower <= EXPAND_STRING_MAX_LENGTH) {\r |
4670 | int len = NODE_STRING_LEN(body);\r | |
4671 | StrNode* sn = STR_(body);\r | |
4672 | \r | |
4673 | if (len * qn->lower <= EXPAND_STRING_MAX_LENGTH) {\r | |
4674 | int i, n = qn->lower;\r | |
4675 | onig_node_conv_to_str_node(node, STR_(body)->flag);\r | |
4676 | for (i = 0; i < n; i++) {\r | |
4677 | r = onig_node_str_cat(node, sn->s, sn->end);\r | |
4678 | if (r != 0) return r;\r | |
4679 | }\r | |
4680 | onig_node_free(body);\r | |
4681 | return r;\r | |
14b0e578 CS |
4682 | }\r |
4683 | }\r | |
b602265d | 4684 | }\r |
14b0e578 | 4685 | \r |
b26691c4 | 4686 | if (qn->greedy && (qn->emptiness == BODY_IS_NOT_EMPTY)) {\r |
b602265d DG |
4687 | if (NODE_TYPE(body) == NODE_QUANT) {\r |
4688 | QuantNode* tqn = QUANT_(body);\r | |
4689 | if (IS_NOT_NULL(tqn->head_exact)) {\r | |
4690 | qn->head_exact = tqn->head_exact;\r | |
4691 | tqn->head_exact = NULL;\r | |
4692 | }\r | |
4693 | }\r | |
4694 | else {\r | |
4695 | qn->head_exact = get_head_value_node(NODE_BODY(node), 1, reg);\r | |
4696 | }\r | |
14b0e578 CS |
4697 | }\r |
4698 | \r | |
4699 | return r;\r | |
4700 | }\r | |
14b0e578 CS |
4701 | \r |
4702 | /* setup_tree does the following work.\r | |
b26691c4 | 4703 | 1. check empty loop. (set qn->emptiness)\r |
14b0e578 CS |
4704 | 2. expand ignore-case in char class.\r |
4705 | 3. set memory status bit flags. (reg->mem_stats)\r | |
4706 | 4. set qn->head_exact for [push, exact] -> [push_or_jump_exact1, exact].\r | |
4707 | 5. find invalid patterns in look-behind.\r | |
4708 | 6. expand repeated string.\r | |
4709 | */\r | |
4710 | static int\r | |
4711 | setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env)\r | |
4712 | {\r | |
14b0e578 CS |
4713 | int r = 0;\r |
4714 | \r | |
b602265d DG |
4715 | switch (NODE_TYPE(node)) {\r |
4716 | case NODE_LIST:\r | |
14b0e578 CS |
4717 | {\r |
4718 | Node* prev = NULL_NODE;\r | |
4719 | do {\r | |
b602265d DG |
4720 | r = setup_tree(NODE_CAR(node), reg, state, env);\r |
4721 | if (IS_NOT_NULL(prev) && r == 0) {\r | |
4722 | r = next_setup(prev, NODE_CAR(node), reg);\r | |
4723 | }\r | |
4724 | prev = NODE_CAR(node);\r | |
4725 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
4726 | }\r |
4727 | break;\r | |
4728 | \r | |
b602265d | 4729 | case NODE_ALT:\r |
14b0e578 | 4730 | do {\r |
b602265d DG |
4731 | r = setup_tree(NODE_CAR(node), reg, (state | IN_ALT), env);\r |
4732 | } while (r == 0 && IS_NOT_NULL(node = NODE_CDR(node)));\r | |
14b0e578 CS |
4733 | break;\r |
4734 | \r | |
b602265d DG |
4735 | case NODE_STRING:\r |
4736 | if (IS_IGNORECASE(reg->options) && !NODE_STRING_IS_RAW(node)) {\r | |
b26691c4 | 4737 | r = expand_case_fold_string(node, reg, state);\r |
14b0e578 CS |
4738 | }\r |
4739 | break;\r | |
4740 | \r | |
b602265d | 4741 | case NODE_BACKREF:\r |
14b0e578 CS |
4742 | {\r |
4743 | int i;\r | |
4744 | int* p;\r | |
b602265d | 4745 | BackRefNode* br = BACKREF_(node);\r |
14b0e578 CS |
4746 | p = BACKREFS_P(br);\r |
4747 | for (i = 0; i < br->back_num; i++) {\r | |
b602265d DG |
4748 | if (p[i] > env->num_mem) return ONIGERR_INVALID_BACKREF;\r |
4749 | MEM_STATUS_ON(env->backrefed_mem, p[i]);\r | |
4750 | MEM_STATUS_ON(env->bt_mem_start, p[i]);\r | |
14b0e578 | 4751 | #ifdef USE_BACKREF_WITH_LEVEL\r |
b602265d DG |
4752 | if (NODE_IS_NEST_LEVEL(node)) {\r |
4753 | MEM_STATUS_ON(env->bt_mem_end, p[i]);\r | |
4754 | }\r | |
14b0e578 | 4755 | #endif\r |
14b0e578 CS |
4756 | }\r |
4757 | }\r | |
4758 | break;\r | |
4759 | \r | |
b26691c4 | 4760 | case NODE_BAG:\r |
14b0e578 | 4761 | {\r |
b26691c4 | 4762 | BagNode* en = BAG_(node);\r |
14b0e578 | 4763 | \r |
b602265d | 4764 | switch (en->type) {\r |
b26691c4 | 4765 | case BAG_OPTION:\r |
b602265d DG |
4766 | {\r |
4767 | OnigOptionType options = reg->options;\r | |
b26691c4 | 4768 | reg->options = BAG_(node)->o.options;\r |
b602265d DG |
4769 | r = setup_tree(NODE_BODY(node), reg, state, env);\r |
4770 | reg->options = options;\r | |
4771 | }\r | |
4772 | break;\r | |
14b0e578 | 4773 | \r |
b26691c4 | 4774 | case BAG_MEMORY:\r |
b602265d DG |
4775 | #ifdef USE_CALL\r |
4776 | state |= en->m.called_state;\r | |
14b0e578 | 4777 | #endif\r |
14b0e578 | 4778 | \r |
b602265d DG |
4779 | if ((state & (IN_ALT | IN_NOT | IN_VAR_REPEAT | IN_MULTI_ENTRY)) != 0\r |
4780 | || NODE_IS_RECURSION(node)) {\r | |
4781 | MEM_STATUS_ON(env->bt_mem_start, en->m.regnum);\r | |
4782 | }\r | |
4783 | r = setup_tree(NODE_BODY(node), reg, state, env);\r | |
4784 | break;\r | |
14b0e578 | 4785 | \r |
b26691c4 | 4786 | case BAG_STOP_BACKTRACK:\r |
b602265d DG |
4787 | {\r |
4788 | Node* target = NODE_BODY(node);\r | |
4789 | r = setup_tree(target, reg, state, env);\r | |
4790 | if (NODE_TYPE(target) == NODE_QUANT) {\r | |
4791 | QuantNode* tqn = QUANT_(target);\r | |
b26691c4 | 4792 | if (IS_INFINITE_REPEAT(tqn->upper) && tqn->lower <= 1 &&\r |
b602265d | 4793 | tqn->greedy != 0) { /* (?>a*), a*+ etc... */\r |
b26691c4 LG |
4794 | if (is_strict_real_node(NODE_BODY(target)))\r |
4795 | NODE_STATUS_ADD(node, STRICT_REAL_REPEAT);\r | |
b602265d DG |
4796 | }\r |
4797 | }\r | |
4798 | }\r | |
14b0e578 CS |
4799 | break;\r |
4800 | \r | |
b26691c4 | 4801 | case BAG_IF_ELSE:\r |
b602265d DG |
4802 | r = setup_tree(NODE_BODY(node), reg, (state | IN_ALT), env);\r |
4803 | if (r != 0) return r;\r | |
4804 | if (IS_NOT_NULL(en->te.Then)) {\r | |
4805 | r = setup_tree(en->te.Then, reg, (state | IN_ALT), env);\r | |
4806 | if (r != 0) return r;\r | |
4807 | }\r | |
4808 | if (IS_NOT_NULL(en->te.Else))\r | |
4809 | r = setup_tree(en->te.Else, reg, (state | IN_ALT), env);\r | |
4810 | break;\r | |
14b0e578 CS |
4811 | }\r |
4812 | }\r | |
4813 | break;\r | |
4814 | \r | |
b602265d DG |
4815 | case NODE_QUANT:\r |
4816 | r = setup_quant(node, reg, state, env);\r | |
4817 | break;\r | |
14b0e578 | 4818 | \r |
b602265d DG |
4819 | case NODE_ANCHOR:\r |
4820 | r = setup_anchor(node, reg, state, env);\r | |
14b0e578 CS |
4821 | break;\r |
4822 | \r | |
b602265d DG |
4823 | #ifdef USE_CALL\r |
4824 | case NODE_CALL:\r | |
4825 | #endif\r | |
4826 | case NODE_CTYPE:\r | |
4827 | case NODE_CCLASS:\r | |
4828 | case NODE_GIMMICK:\r | |
14b0e578 CS |
4829 | default:\r |
4830 | break;\r | |
4831 | }\r | |
4832 | \r | |
4833 | return r;\r | |
4834 | }\r | |
4835 | \r | |
14b0e578 | 4836 | static int\r |
b26691c4 LG |
4837 | set_sunday_quick_search_or_bmh_skip_table(regex_t* reg, int case_expand,\r |
4838 | UChar* s, UChar* end,\r | |
4839 | UChar skip[], int* roffset)\r | |
14b0e578 | 4840 | {\r |
b26691c4 LG |
4841 | int i, j, k, len, offset;\r |
4842 | int n, clen;\r | |
4843 | UChar* p;\r | |
4844 | OnigEncoding enc;\r | |
4845 | OnigCaseFoldCodeItem items[ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM];\r | |
4846 | UChar buf[ONIGENC_MBC_CASE_FOLD_MAXLEN];\r | |
4847 | \r | |
4848 | enc = reg->enc;\r | |
4849 | offset = ENC_GET_SKIP_OFFSET(enc);\r | |
4850 | if (offset == ENC_SKIP_OFFSET_1_OR_0) {\r | |
4851 | UChar* p = s;\r | |
4852 | while (1) {\r | |
4853 | len = enclen(enc, p);\r | |
4854 | if (p + len >= end) {\r | |
4855 | if (len == 1) offset = 1;\r | |
4856 | else offset = 0;\r | |
4857 | break;\r | |
4858 | }\r | |
4859 | p += len;\r | |
4860 | }\r | |
4861 | }\r | |
14b0e578 | 4862 | \r |
b602265d | 4863 | len = (int )(end - s);\r |
b26691c4 LG |
4864 | if (len + offset >= 255)\r |
4865 | return ONIGERR_PARSER_BUG;\r | |
14b0e578 | 4866 | \r |
b26691c4 LG |
4867 | *roffset = offset;\r |
4868 | \r | |
4869 | for (i = 0; i < CHAR_MAP_SIZE; i++) {\r | |
4870 | skip[i] = (UChar )(len + offset);\r | |
14b0e578 | 4871 | }\r |
b26691c4 LG |
4872 | \r |
4873 | for (p = s; p < end; ) {\r | |
4874 | int z;\r | |
4875 | \r | |
4876 | clen = enclen(enc, p);\r | |
4877 | if (p + clen > end) clen = (int )(end - p);\r | |
4878 | \r | |
4879 | len = (int )(end - p);\r | |
4880 | for (j = 0; j < clen; j++) {\r | |
4881 | z = len - j + (offset - 1);\r | |
4882 | if (z <= 0) break;\r | |
4883 | skip[p[j]] = z;\r | |
4884 | }\r | |
4885 | \r | |
4886 | if (case_expand != 0) {\r | |
4887 | n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, reg->case_fold_flag,\r | |
4888 | p, end, items);\r | |
4889 | for (k = 0; k < n; k++) {\r | |
4890 | ONIGENC_CODE_TO_MBC(enc, items[k].code[0], buf);\r | |
4891 | for (j = 0; j < clen; j++) {\r | |
4892 | z = len - j + (offset - 1);\r | |
4893 | if (z <= 0) break;\r | |
4894 | if (skip[buf[j]] > z)\r | |
4895 | skip[buf[j]] = z;\r | |
4896 | }\r | |
4897 | }\r | |
14b0e578 | 4898 | }\r |
14b0e578 | 4899 | \r |
b26691c4 | 4900 | p += clen;\r |
14b0e578 | 4901 | }\r |
b26691c4 | 4902 | \r |
14b0e578 CS |
4903 | return 0;\r |
4904 | }\r | |
4905 | \r | |
b26691c4 | 4906 | \r |
14b0e578 CS |
4907 | #define OPT_EXACT_MAXLEN 24\r |
4908 | \r | |
b26691c4 LG |
4909 | #if OPT_EXACT_MAXLEN >= 255\r |
4910 | #error Too big OPT_EXACT_MAXLEN\r | |
4911 | #endif\r | |
4912 | \r | |
14b0e578 | 4913 | typedef struct {\r |
b602265d DG |
4914 | OnigLen min; /* min byte length */\r |
4915 | OnigLen max; /* max byte length */\r | |
4916 | } MinMax;\r | |
14b0e578 CS |
4917 | \r |
4918 | typedef struct {\r | |
b602265d | 4919 | MinMax mmd;\r |
14b0e578 CS |
4920 | OnigEncoding enc;\r |
4921 | OnigOptionType options;\r | |
4922 | OnigCaseFoldType case_fold_flag;\r | |
4923 | ScanEnv* scan_env;\r | |
4924 | } OptEnv;\r | |
4925 | \r | |
4926 | typedef struct {\r | |
b602265d DG |
4927 | int left;\r |
4928 | int right;\r | |
4929 | } OptAnc;\r | |
14b0e578 CS |
4930 | \r |
4931 | typedef struct {\r | |
b602265d DG |
4932 | MinMax mmd; /* position */\r |
4933 | OptAnc anc;\r | |
4934 | int reach_end;\r | |
b26691c4 LG |
4935 | int case_fold;\r |
4936 | int good_case_fold;\r | |
b602265d DG |
4937 | int len;\r |
4938 | UChar s[OPT_EXACT_MAXLEN];\r | |
b26691c4 | 4939 | } OptStr;\r |
14b0e578 CS |
4940 | \r |
4941 | typedef struct {\r | |
b602265d DG |
4942 | MinMax mmd; /* position */\r |
4943 | OptAnc anc;\r | |
4944 | int value; /* weighted value */\r | |
b26691c4 | 4945 | UChar map[CHAR_MAP_SIZE];\r |
b602265d | 4946 | } OptMap;\r |
14b0e578 CS |
4947 | \r |
4948 | typedef struct {\r | |
b26691c4 LG |
4949 | MinMax len;\r |
4950 | OptAnc anc;\r | |
4951 | OptStr sb; /* boundary */\r | |
4952 | OptStr sm; /* middle */\r | |
4953 | OptStr spr; /* prec read (?=...) */\r | |
4954 | OptMap map; /* boundary */\r | |
4955 | } OptNode;\r | |
14b0e578 CS |
4956 | \r |
4957 | \r | |
4958 | static int\r | |
4959 | map_position_value(OnigEncoding enc, int i)\r | |
4960 | {\r | |
b602265d | 4961 | static const short int Vals[] = {\r |
14b0e578 CS |
4962 | 5, 1, 1, 1, 1, 1, 1, 1, 1, 10, 10, 1, 1, 10, 1, 1,\r |
4963 | 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1,\r | |
4964 | 12, 4, 7, 4, 4, 4, 4, 4, 4, 5, 5, 5, 5, 5, 5, 5,\r | |
4965 | 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5,\r | |
4966 | 5, 6, 6, 6, 6, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,\r | |
4967 | 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 6, 5, 5, 5,\r | |
4968 | 5, 6, 6, 6, 6, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6,\r | |
4969 | 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 1\r | |
4970 | };\r | |
4971 | \r | |
b602265d | 4972 | if (i < (int )(sizeof(Vals)/sizeof(Vals[0]))) {\r |
14b0e578 CS |
4973 | if (i == 0 && ONIGENC_MBC_MINLEN(enc) > 1)\r |
4974 | return 20;\r | |
4975 | else\r | |
b602265d | 4976 | return (int )Vals[i];\r |
14b0e578 CS |
4977 | }\r |
4978 | else\r | |
4979 | return 4; /* Take it easy. */\r | |
4980 | }\r | |
4981 | \r | |
4982 | static int\r | |
b602265d | 4983 | distance_value(MinMax* mm)\r |
14b0e578 CS |
4984 | {\r |
4985 | /* 1000 / (min-max-dist + 1) */\r | |
4986 | static const short int dist_vals[] = {\r | |
b26691c4 LG |
4987 | 1000, 500, 333, 250, 200, 167, 143, 125, 111, 100,\r |
4988 | 91, 83, 77, 71, 67, 63, 59, 56, 53, 50,\r | |
4989 | 48, 45, 43, 42, 40, 38, 37, 36, 34, 33,\r | |
4990 | 32, 31, 30, 29, 29, 28, 27, 26, 26, 25,\r | |
4991 | 24, 24, 23, 23, 22, 22, 21, 21, 20, 20,\r | |
4992 | 20, 19, 19, 19, 18, 18, 18, 17, 17, 17,\r | |
4993 | 16, 16, 16, 16, 15, 15, 15, 15, 14, 14,\r | |
4994 | 14, 14, 14, 14, 13, 13, 13, 13, 13, 13,\r | |
4995 | 12, 12, 12, 12, 12, 12, 11, 11, 11, 11,\r | |
14b0e578 CS |
4996 | 11, 11, 11, 11, 11, 10, 10, 10, 10, 10\r |
4997 | };\r | |
4998 | \r | |
b602265d | 4999 | OnigLen d;\r |
14b0e578 | 5000 | \r |
b602265d | 5001 | if (mm->max == INFINITE_LEN) return 0;\r |
14b0e578 CS |
5002 | \r |
5003 | d = mm->max - mm->min;\r | |
b602265d | 5004 | if (d < (OnigLen )(sizeof(dist_vals)/sizeof(dist_vals[0])))\r |
14b0e578 CS |
5005 | /* return dist_vals[d] * 16 / (mm->min + 12); */\r |
5006 | return (int )dist_vals[d];\r | |
5007 | else\r | |
5008 | return 1;\r | |
5009 | }\r | |
5010 | \r | |
5011 | static int\r | |
b602265d | 5012 | comp_distance_value(MinMax* d1, MinMax* d2, int v1, int v2)\r |
14b0e578 CS |
5013 | {\r |
5014 | if (v2 <= 0) return -1;\r | |
5015 | if (v1 <= 0) return 1;\r | |
5016 | \r | |
5017 | v1 *= distance_value(d1);\r | |
5018 | v2 *= distance_value(d2);\r | |
5019 | \r | |
5020 | if (v2 > v1) return 1;\r | |
5021 | if (v2 < v1) return -1;\r | |
5022 | \r | |
5023 | if (d2->min < d1->min) return 1;\r | |
5024 | if (d2->min > d1->min) return -1;\r | |
5025 | return 0;\r | |
5026 | }\r | |
5027 | \r | |
5028 | static int\r | |
b602265d | 5029 | is_equal_mml(MinMax* a, MinMax* b)\r |
14b0e578 | 5030 | {\r |
b26691c4 | 5031 | return a->min == b->min && a->max == b->max;\r |
14b0e578 CS |
5032 | }\r |
5033 | \r | |
14b0e578 | 5034 | static void\r |
b602265d | 5035 | set_mml(MinMax* l, OnigLen min, OnigLen max)\r |
14b0e578 | 5036 | {\r |
b602265d DG |
5037 | l->min = min;\r |
5038 | l->max = max;\r | |
14b0e578 CS |
5039 | }\r |
5040 | \r | |
5041 | static void\r | |
b602265d | 5042 | clear_mml(MinMax* l)\r |
14b0e578 | 5043 | {\r |
b602265d | 5044 | l->min = l->max = 0;\r |
14b0e578 CS |
5045 | }\r |
5046 | \r | |
5047 | static void\r | |
b602265d | 5048 | copy_mml(MinMax* to, MinMax* from)\r |
14b0e578 CS |
5049 | {\r |
5050 | to->min = from->min;\r | |
5051 | to->max = from->max;\r | |
5052 | }\r | |
5053 | \r | |
5054 | static void\r | |
b602265d | 5055 | add_mml(MinMax* to, MinMax* from)\r |
14b0e578 CS |
5056 | {\r |
5057 | to->min = distance_add(to->min, from->min);\r | |
5058 | to->max = distance_add(to->max, from->max);\r | |
5059 | }\r | |
5060 | \r | |
14b0e578 | 5061 | static void\r |
b602265d | 5062 | alt_merge_mml(MinMax* to, MinMax* from)\r |
14b0e578 CS |
5063 | {\r |
5064 | if (to->min > from->min) to->min = from->min;\r | |
5065 | if (to->max < from->max) to->max = from->max;\r | |
5066 | }\r | |
5067 | \r | |
5068 | static void\r | |
5069 | copy_opt_env(OptEnv* to, OptEnv* from)\r | |
5070 | {\r | |
b602265d | 5071 | *to = *from;\r |
14b0e578 CS |
5072 | }\r |
5073 | \r | |
5074 | static void\r | |
b602265d | 5075 | clear_opt_anc_info(OptAnc* a)\r |
14b0e578 | 5076 | {\r |
b602265d DG |
5077 | a->left = 0;\r |
5078 | a->right = 0;\r | |
14b0e578 CS |
5079 | }\r |
5080 | \r | |
5081 | static void\r | |
b602265d | 5082 | copy_opt_anc_info(OptAnc* to, OptAnc* from)\r |
14b0e578 | 5083 | {\r |
b602265d | 5084 | *to = *from;\r |
14b0e578 CS |
5085 | }\r |
5086 | \r | |
5087 | static void\r | |
b602265d DG |
5088 | concat_opt_anc_info(OptAnc* to, OptAnc* left, OptAnc* right,\r |
5089 | OnigLen left_len, OnigLen right_len)\r | |
14b0e578 CS |
5090 | {\r |
5091 | clear_opt_anc_info(to);\r | |
5092 | \r | |
b602265d | 5093 | to->left = left->left;\r |
14b0e578 | 5094 | if (left_len == 0) {\r |
b602265d | 5095 | to->left |= right->left;\r |
14b0e578 CS |
5096 | }\r |
5097 | \r | |
b602265d | 5098 | to->right = right->right;\r |
14b0e578 | 5099 | if (right_len == 0) {\r |
b602265d DG |
5100 | to->right |= left->right;\r |
5101 | }\r | |
5102 | else {\r | |
b26691c4 | 5103 | to->right |= (left->right & ANCR_PREC_READ_NOT);\r |
14b0e578 CS |
5104 | }\r |
5105 | }\r | |
5106 | \r | |
5107 | static int\r | |
b602265d | 5108 | is_left(int a)\r |
14b0e578 | 5109 | {\r |
b26691c4 LG |
5110 | if (a == ANCR_END_BUF || a == ANCR_SEMI_END_BUF ||\r |
5111 | a == ANCR_END_LINE || a == ANCR_PREC_READ || a == ANCR_PREC_READ_NOT)\r | |
14b0e578 CS |
5112 | return 0;\r |
5113 | \r | |
5114 | return 1;\r | |
5115 | }\r | |
5116 | \r | |
5117 | static int\r | |
b602265d | 5118 | is_set_opt_anc_info(OptAnc* to, int anc)\r |
14b0e578 | 5119 | {\r |
b602265d | 5120 | if ((to->left & anc) != 0) return 1;\r |
14b0e578 | 5121 | \r |
b602265d | 5122 | return ((to->right & anc) != 0 ? 1 : 0);\r |
14b0e578 CS |
5123 | }\r |
5124 | \r | |
5125 | static void\r | |
b602265d | 5126 | add_opt_anc_info(OptAnc* to, int anc)\r |
14b0e578 | 5127 | {\r |
b602265d DG |
5128 | if (is_left(anc))\r |
5129 | to->left |= anc;\r | |
14b0e578 | 5130 | else\r |
b602265d | 5131 | to->right |= anc;\r |
14b0e578 CS |
5132 | }\r |
5133 | \r | |
5134 | static void\r | |
b602265d | 5135 | remove_opt_anc_info(OptAnc* to, int anc)\r |
14b0e578 | 5136 | {\r |
b602265d DG |
5137 | if (is_left(anc))\r |
5138 | to->left &= ~anc;\r | |
14b0e578 | 5139 | else\r |
b602265d | 5140 | to->right &= ~anc;\r |
14b0e578 CS |
5141 | }\r |
5142 | \r | |
5143 | static void\r | |
b602265d | 5144 | alt_merge_opt_anc_info(OptAnc* to, OptAnc* add)\r |
14b0e578 | 5145 | {\r |
b602265d DG |
5146 | to->left &= add->left;\r |
5147 | to->right &= add->right;\r | |
14b0e578 CS |
5148 | }\r |
5149 | \r | |
5150 | static int\r | |
b26691c4 | 5151 | is_full_opt_exact(OptStr* e)\r |
14b0e578 | 5152 | {\r |
b26691c4 | 5153 | return e->len >= OPT_EXACT_MAXLEN;\r |
14b0e578 CS |
5154 | }\r |
5155 | \r | |
5156 | static void\r | |
b26691c4 | 5157 | clear_opt_exact(OptStr* e)\r |
14b0e578 | 5158 | {\r |
b602265d DG |
5159 | clear_mml(&e->mmd);\r |
5160 | clear_opt_anc_info(&e->anc);\r | |
b26691c4 LG |
5161 | e->reach_end = 0;\r |
5162 | e->case_fold = 0;\r | |
5163 | e->good_case_fold = 0;\r | |
5164 | e->len = 0;\r | |
5165 | e->s[0] = '\0';\r | |
14b0e578 CS |
5166 | }\r |
5167 | \r | |
5168 | static void\r | |
b26691c4 | 5169 | copy_opt_exact(OptStr* to, OptStr* from)\r |
14b0e578 | 5170 | {\r |
b602265d | 5171 | *to = *from;\r |
14b0e578 CS |
5172 | }\r |
5173 | \r | |
b602265d | 5174 | static int\r |
b26691c4 | 5175 | concat_opt_exact(OptStr* to, OptStr* add, OnigEncoding enc)\r |
14b0e578 | 5176 | {\r |
b602265d | 5177 | int i, j, len, r;\r |
14b0e578 | 5178 | UChar *p, *end;\r |
b602265d | 5179 | OptAnc tanc;\r |
14b0e578 | 5180 | \r |
b26691c4 LG |
5181 | if (add->case_fold != 0) {\r |
5182 | if (! to->case_fold) {\r | |
5183 | if (to->len > 1 || to->len >= add->len) return 0; /* avoid */\r | |
14b0e578 | 5184 | \r |
b26691c4 LG |
5185 | to->case_fold = 1;\r |
5186 | }\r | |
5187 | else {\r | |
5188 | if (to->good_case_fold != 0) {\r | |
5189 | if (add->good_case_fold == 0) return 0;\r | |
5190 | }\r | |
5191 | }\r | |
14b0e578 CS |
5192 | }\r |
5193 | \r | |
b602265d | 5194 | r = 0;\r |
14b0e578 CS |
5195 | p = add->s;\r |
5196 | end = p + add->len;\r | |
5197 | for (i = to->len; p < end; ) {\r | |
5198 | len = enclen(enc, p);\r | |
b602265d DG |
5199 | if (i + len > OPT_EXACT_MAXLEN) {\r |
5200 | r = 1; /* 1:full */\r | |
5201 | break;\r | |
5202 | }\r | |
14b0e578 CS |
5203 | for (j = 0; j < len && p < end; j++)\r |
5204 | to->s[i++] = *p++;\r | |
5205 | }\r | |
5206 | \r | |
5207 | to->len = i;\r | |
5208 | to->reach_end = (p == end ? add->reach_end : 0);\r | |
5209 | \r | |
5210 | concat_opt_anc_info(&tanc, &to->anc, &add->anc, 1, 1);\r | |
b602265d | 5211 | if (! to->reach_end) tanc.right = 0;\r |
14b0e578 | 5212 | copy_opt_anc_info(&to->anc, &tanc);\r |
b602265d DG |
5213 | \r |
5214 | return r;\r | |
14b0e578 CS |
5215 | }\r |
5216 | \r | |
5217 | static void\r | |
b26691c4 | 5218 | concat_opt_exact_str(OptStr* to, UChar* s, UChar* end, OnigEncoding enc)\r |
14b0e578 CS |
5219 | {\r |
5220 | int i, j, len;\r | |
5221 | UChar *p;\r | |
5222 | \r | |
5223 | for (i = to->len, p = s; p < end && i < OPT_EXACT_MAXLEN; ) {\r | |
5224 | len = enclen(enc, p);\r | |
5225 | if (i + len > OPT_EXACT_MAXLEN) break;\r | |
5226 | for (j = 0; j < len && p < end; j++)\r | |
5227 | to->s[i++] = *p++;\r | |
5228 | }\r | |
5229 | \r | |
5230 | to->len = i;\r | |
b26691c4 LG |
5231 | \r |
5232 | if (p >= end && to->len == (int )(end - s))\r | |
5233 | to->reach_end = 1;\r | |
14b0e578 CS |
5234 | }\r |
5235 | \r | |
5236 | static void\r | |
b26691c4 | 5237 | alt_merge_opt_exact(OptStr* to, OptStr* add, OptEnv* env)\r |
14b0e578 CS |
5238 | {\r |
5239 | int i, j, len;\r | |
5240 | \r | |
5241 | if (add->len == 0 || to->len == 0) {\r | |
b602265d | 5242 | clear_opt_exact(to);\r |
14b0e578 CS |
5243 | return ;\r |
5244 | }\r | |
5245 | \r | |
5246 | if (! is_equal_mml(&to->mmd, &add->mmd)) {\r | |
b602265d | 5247 | clear_opt_exact(to);\r |
14b0e578 CS |
5248 | return ;\r |
5249 | }\r | |
5250 | \r | |
5251 | for (i = 0; i < to->len && i < add->len; ) {\r | |
5252 | if (to->s[i] != add->s[i]) break;\r | |
5253 | len = enclen(env->enc, to->s + i);\r | |
5254 | \r | |
5255 | for (j = 1; j < len; j++) {\r | |
5256 | if (to->s[i+j] != add->s[i+j]) break;\r | |
5257 | }\r | |
5258 | if (j < len) break;\r | |
5259 | i += len;\r | |
5260 | }\r | |
5261 | \r | |
5262 | if (! add->reach_end || i < add->len || i < to->len) {\r | |
5263 | to->reach_end = 0;\r | |
5264 | }\r | |
5265 | to->len = i;\r | |
b26691c4 LG |
5266 | if (add->case_fold != 0)\r |
5267 | to->case_fold = 1;\r | |
5268 | if (add->good_case_fold == 0)\r | |
5269 | to->good_case_fold = 0;\r | |
14b0e578 CS |
5270 | \r |
5271 | alt_merge_opt_anc_info(&to->anc, &add->anc);\r | |
b602265d | 5272 | if (! to->reach_end) to->anc.right = 0;\r |
14b0e578 CS |
5273 | }\r |
5274 | \r | |
5275 | static void\r | |
b26691c4 | 5276 | select_opt_exact(OnigEncoding enc, OptStr* now, OptStr* alt)\r |
14b0e578 | 5277 | {\r |
b602265d | 5278 | int vn, va;\r |
14b0e578 | 5279 | \r |
b602265d DG |
5280 | vn = now->len;\r |
5281 | va = alt->len;\r | |
14b0e578 | 5282 | \r |
b602265d | 5283 | if (va == 0) {\r |
14b0e578 CS |
5284 | return ;\r |
5285 | }\r | |
b602265d DG |
5286 | else if (vn == 0) {\r |
5287 | copy_opt_exact(now, alt);\r | |
14b0e578 CS |
5288 | return ;\r |
5289 | }\r | |
b602265d | 5290 | else if (vn <= 2 && va <= 2) {\r |
14b0e578 | 5291 | /* ByteValTable[x] is big value --> low price */\r |
b602265d DG |
5292 | va = map_position_value(enc, now->s[0]);\r |
5293 | vn = map_position_value(enc, alt->s[0]);\r | |
14b0e578 | 5294 | \r |
b602265d DG |
5295 | if (now->len > 1) vn += 5;\r |
5296 | if (alt->len > 1) va += 5;\r | |
14b0e578 CS |
5297 | }\r |
5298 | \r | |
b26691c4 LG |
5299 | if (now->case_fold == 0) vn *= 2;\r |
5300 | if (alt->case_fold == 0) va *= 2;\r | |
5301 | \r | |
5302 | if (now->good_case_fold != 0) vn *= 4;\r | |
5303 | if (alt->good_case_fold != 0) va *= 4;\r | |
14b0e578 | 5304 | \r |
b602265d DG |
5305 | if (comp_distance_value(&now->mmd, &alt->mmd, vn, va) > 0)\r |
5306 | copy_opt_exact(now, alt);\r | |
14b0e578 CS |
5307 | }\r |
5308 | \r | |
5309 | static void\r | |
b602265d | 5310 | clear_opt_map(OptMap* map)\r |
14b0e578 | 5311 | {\r |
b602265d | 5312 | static const OptMap clean_info = {\r |
14b0e578 CS |
5313 | {0, 0}, {0, 0}, 0,\r |
5314 | {\r | |
5315 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5316 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5317 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5318 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5319 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5320 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5321 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5322 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5323 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5324 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5325 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5326 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5327 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5328 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5329 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,\r | |
5330 | 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0\r | |
5331 | }\r | |
5332 | };\r | |
5333 | \r | |
b602265d | 5334 | xmemcpy(map, &clean_info, sizeof(OptMap));\r |
14b0e578 CS |
5335 | }\r |
5336 | \r | |
5337 | static void\r | |
b602265d | 5338 | copy_opt_map(OptMap* to, OptMap* from)\r |
14b0e578 | 5339 | {\r |
b602265d | 5340 | xmemcpy(to,from,sizeof(OptMap));\r |
14b0e578 CS |
5341 | }\r |
5342 | \r | |
5343 | static void\r | |
b602265d | 5344 | add_char_opt_map(OptMap* m, UChar c, OnigEncoding enc)\r |
14b0e578 | 5345 | {\r |
b602265d DG |
5346 | if (m->map[c] == 0) {\r |
5347 | m->map[c] = 1;\r | |
5348 | m->value += map_position_value(enc, c);\r | |
14b0e578 CS |
5349 | }\r |
5350 | }\r | |
5351 | \r | |
5352 | static int\r | |
b602265d DG |
5353 | add_char_amb_opt_map(OptMap* map, UChar* p, UChar* end,\r |
5354 | OnigEncoding enc, OnigCaseFoldType fold_flag)\r | |
14b0e578 CS |
5355 | {\r |
5356 | OnigCaseFoldCodeItem items[ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM];\r | |
5357 | UChar buf[ONIGENC_CODE_TO_MBC_MAXLEN];\r | |
5358 | int i, n;\r | |
5359 | \r | |
b602265d | 5360 | add_char_opt_map(map, p[0], enc);\r |
14b0e578 | 5361 | \r |
b602265d DG |
5362 | fold_flag = DISABLE_CASE_FOLD_MULTI_CHAR(fold_flag);\r |
5363 | n = ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc, fold_flag, p, end, items);\r | |
14b0e578 CS |
5364 | if (n < 0) return n;\r |
5365 | \r | |
5366 | for (i = 0; i < n; i++) {\r | |
5367 | ONIGENC_CODE_TO_MBC(enc, items[i].code[0], buf);\r | |
b602265d | 5368 | add_char_opt_map(map, buf[0], enc);\r |
14b0e578 CS |
5369 | }\r |
5370 | \r | |
5371 | return 0;\r | |
5372 | }\r | |
5373 | \r | |
5374 | static void\r | |
b602265d | 5375 | select_opt_map(OptMap* now, OptMap* alt)\r |
14b0e578 CS |
5376 | {\r |
5377 | static int z = 1<<15; /* 32768: something big value */\r | |
5378 | \r | |
b602265d | 5379 | int vn, va;\r |
14b0e578 CS |
5380 | \r |
5381 | if (alt->value == 0) return ;\r | |
5382 | if (now->value == 0) {\r | |
b602265d | 5383 | copy_opt_map(now, alt);\r |
14b0e578 CS |
5384 | return ;\r |
5385 | }\r | |
5386 | \r | |
b602265d DG |
5387 | vn = z / now->value;\r |
5388 | va = z / alt->value;\r | |
5389 | if (comp_distance_value(&now->mmd, &alt->mmd, vn, va) > 0)\r | |
5390 | copy_opt_map(now, alt);\r | |
14b0e578 CS |
5391 | }\r |
5392 | \r | |
5393 | static int\r | |
b26691c4 | 5394 | comp_opt_exact_or_map(OptStr* e, OptMap* m)\r |
14b0e578 CS |
5395 | {\r |
5396 | #define COMP_EM_BASE 20\r | |
b602265d | 5397 | int ae, am;\r |
b26691c4 | 5398 | int case_value;\r |
14b0e578 CS |
5399 | \r |
5400 | if (m->value <= 0) return -1;\r | |
5401 | \r | |
b26691c4 LG |
5402 | if (e->case_fold != 0) {\r |
5403 | if (e->good_case_fold != 0)\r | |
5404 | case_value = 2;\r | |
5405 | else\r | |
5406 | case_value = 1;\r | |
5407 | }\r | |
5408 | else\r | |
5409 | case_value = 3;\r | |
5410 | \r | |
5411 | ae = COMP_EM_BASE * e->len * case_value;\r | |
b602265d DG |
5412 | am = COMP_EM_BASE * 5 * 2 / m->value;\r |
5413 | return comp_distance_value(&e->mmd, &m->mmd, ae, am);\r | |
14b0e578 CS |
5414 | }\r |
5415 | \r | |
5416 | static void\r | |
b602265d | 5417 | alt_merge_opt_map(OnigEncoding enc, OptMap* to, OptMap* add)\r |
14b0e578 CS |
5418 | {\r |
5419 | int i, val;\r | |
5420 | \r | |
5421 | /* if (! is_equal_mml(&to->mmd, &add->mmd)) return ; */\r | |
5422 | if (to->value == 0) return ;\r | |
5423 | if (add->value == 0 || to->mmd.max < add->mmd.min) {\r | |
b602265d | 5424 | clear_opt_map(to);\r |
14b0e578 CS |
5425 | return ;\r |
5426 | }\r | |
5427 | \r | |
5428 | alt_merge_mml(&to->mmd, &add->mmd);\r | |
5429 | \r | |
5430 | val = 0;\r | |
b26691c4 | 5431 | for (i = 0; i < CHAR_MAP_SIZE; i++) {\r |
14b0e578 CS |
5432 | if (add->map[i])\r |
5433 | to->map[i] = 1;\r | |
5434 | \r | |
5435 | if (to->map[i])\r | |
5436 | val += map_position_value(enc, i);\r | |
5437 | }\r | |
5438 | to->value = val;\r | |
5439 | \r | |
5440 | alt_merge_opt_anc_info(&to->anc, &add->anc);\r | |
5441 | }\r | |
5442 | \r | |
5443 | static void\r | |
b26691c4 | 5444 | set_bound_node_opt_info(OptNode* opt, MinMax* plen)\r |
14b0e578 | 5445 | {\r |
b26691c4 LG |
5446 | copy_mml(&(opt->sb.mmd), plen);\r |
5447 | copy_mml(&(opt->spr.mmd), plen);\r | |
5448 | copy_mml(&(opt->map.mmd), plen);\r | |
14b0e578 CS |
5449 | }\r |
5450 | \r | |
5451 | static void\r | |
b26691c4 | 5452 | clear_node_opt_info(OptNode* opt)\r |
14b0e578 CS |
5453 | {\r |
5454 | clear_mml(&opt->len);\r | |
5455 | clear_opt_anc_info(&opt->anc);\r | |
b26691c4 LG |
5456 | clear_opt_exact(&opt->sb);\r |
5457 | clear_opt_exact(&opt->sm);\r | |
5458 | clear_opt_exact(&opt->spr);\r | |
b602265d | 5459 | clear_opt_map(&opt->map);\r |
14b0e578 CS |
5460 | }\r |
5461 | \r | |
5462 | static void\r | |
b26691c4 | 5463 | copy_node_opt_info(OptNode* to, OptNode* from)\r |
14b0e578 | 5464 | {\r |
b26691c4 | 5465 | xmemcpy(to,from,sizeof(OptNode));\r |
14b0e578 CS |
5466 | }\r |
5467 | \r | |
5468 | static void\r | |
b26691c4 | 5469 | concat_left_node_opt_info(OnigEncoding enc, OptNode* to, OptNode* add)\r |
14b0e578 | 5470 | {\r |
b26691c4 | 5471 | int sb_reach, sm_reach;\r |
b602265d | 5472 | OptAnc tanc;\r |
14b0e578 CS |
5473 | \r |
5474 | concat_opt_anc_info(&tanc, &to->anc, &add->anc, to->len.max, add->len.max);\r | |
5475 | copy_opt_anc_info(&to->anc, &tanc);\r | |
5476 | \r | |
b26691c4 LG |
5477 | if (add->sb.len > 0 && to->len.max == 0) {\r |
5478 | concat_opt_anc_info(&tanc, &to->anc, &add->sb.anc, to->len.max, add->len.max);\r | |
5479 | copy_opt_anc_info(&add->sb.anc, &tanc);\r | |
14b0e578 CS |
5480 | }\r |
5481 | \r | |
5482 | if (add->map.value > 0 && to->len.max == 0) {\r | |
5483 | if (add->map.mmd.max == 0)\r | |
b602265d | 5484 | add->map.anc.left |= to->anc.left;\r |
14b0e578 CS |
5485 | }\r |
5486 | \r | |
b26691c4 LG |
5487 | sb_reach = to->sb.reach_end;\r |
5488 | sm_reach = to->sm.reach_end;\r | |
14b0e578 CS |
5489 | \r |
5490 | if (add->len.max != 0)\r | |
b26691c4 | 5491 | to->sb.reach_end = to->sm.reach_end = 0;\r |
14b0e578 | 5492 | \r |
b26691c4 LG |
5493 | if (add->sb.len > 0) {\r |
5494 | if (sb_reach) {\r | |
5495 | concat_opt_exact(&to->sb, &add->sb, enc);\r | |
5496 | clear_opt_exact(&add->sb);\r | |
14b0e578 | 5497 | }\r |
b26691c4 LG |
5498 | else if (sm_reach) {\r |
5499 | concat_opt_exact(&to->sm, &add->sb, enc);\r | |
5500 | clear_opt_exact(&add->sb);\r | |
14b0e578 CS |
5501 | }\r |
5502 | }\r | |
b26691c4 LG |
5503 | select_opt_exact(enc, &to->sm, &add->sb);\r |
5504 | select_opt_exact(enc, &to->sm, &add->sm);\r | |
14b0e578 | 5505 | \r |
b26691c4 | 5506 | if (to->spr.len > 0) {\r |
14b0e578 | 5507 | if (add->len.max > 0) {\r |
b26691c4 LG |
5508 | if (to->spr.len > (int )add->len.max)\r |
5509 | to->spr.len = add->len.max;\r | |
14b0e578 | 5510 | \r |
b26691c4 LG |
5511 | if (to->spr.mmd.max == 0)\r |
5512 | select_opt_exact(enc, &to->sb, &to->spr);\r | |
14b0e578 | 5513 | else\r |
b26691c4 | 5514 | select_opt_exact(enc, &to->sm, &to->spr);\r |
14b0e578 CS |
5515 | }\r |
5516 | }\r | |
b26691c4 LG |
5517 | else if (add->spr.len > 0) {\r |
5518 | copy_opt_exact(&to->spr, &add->spr);\r | |
14b0e578 CS |
5519 | }\r |
5520 | \r | |
b602265d | 5521 | select_opt_map(&to->map, &add->map);\r |
14b0e578 CS |
5522 | add_mml(&to->len, &add->len);\r |
5523 | }\r | |
5524 | \r | |
5525 | static void\r | |
b26691c4 | 5526 | alt_merge_node_opt_info(OptNode* to, OptNode* add, OptEnv* env)\r |
14b0e578 | 5527 | {\r |
b602265d | 5528 | alt_merge_opt_anc_info(&to->anc, &add->anc);\r |
b26691c4 LG |
5529 | alt_merge_opt_exact(&to->sb, &add->sb, env);\r |
5530 | alt_merge_opt_exact(&to->sm, &add->sm, env);\r | |
5531 | alt_merge_opt_exact(&to->spr, &add->spr, env);\r | |
b602265d | 5532 | alt_merge_opt_map(env->enc, &to->map, &add->map);\r |
14b0e578 CS |
5533 | \r |
5534 | alt_merge_mml(&to->len, &add->len);\r | |
5535 | }\r | |
5536 | \r | |
5537 | \r | |
5538 | #define MAX_NODE_OPT_INFO_REF_COUNT 5\r | |
5539 | \r | |
5540 | static int\r | |
b26691c4 | 5541 | optimize_nodes(Node* node, OptNode* opt, OptEnv* env)\r |
14b0e578 | 5542 | {\r |
b602265d DG |
5543 | int i;\r |
5544 | int r;\r | |
b26691c4 | 5545 | OptNode xo;\r |
b602265d | 5546 | OnigEncoding enc;\r |
14b0e578 | 5547 | \r |
b602265d DG |
5548 | r = 0;\r |
5549 | enc = env->enc;\r | |
14b0e578 CS |
5550 | clear_node_opt_info(opt);\r |
5551 | set_bound_node_opt_info(opt, &env->mmd);\r | |
5552 | \r | |
b602265d DG |
5553 | switch (NODE_TYPE(node)) {\r |
5554 | case NODE_LIST:\r | |
14b0e578 CS |
5555 | {\r |
5556 | OptEnv nenv;\r | |
14b0e578 CS |
5557 | Node* nd = node;\r |
5558 | \r | |
5559 | copy_opt_env(&nenv, env);\r | |
5560 | do {\r | |
b602265d DG |
5561 | r = optimize_nodes(NODE_CAR(nd), &xo, &nenv);\r |
5562 | if (r == 0) {\r | |
5563 | add_mml(&nenv.mmd, &xo.len);\r | |
5564 | concat_left_node_opt_info(enc, opt, &xo);\r | |
5565 | }\r | |
5566 | } while (r == 0 && IS_NOT_NULL(nd = NODE_CDR(nd)));\r | |
14b0e578 CS |
5567 | }\r |
5568 | break;\r | |
5569 | \r | |
b602265d | 5570 | case NODE_ALT:\r |
14b0e578 | 5571 | {\r |
14b0e578 CS |
5572 | Node* nd = node;\r |
5573 | \r | |
5574 | do {\r | |
b602265d DG |
5575 | r = optimize_nodes(NODE_CAR(nd), &xo, env);\r |
5576 | if (r == 0) {\r | |
5577 | if (nd == node) copy_node_opt_info(opt, &xo);\r | |
5578 | else alt_merge_node_opt_info(opt, &xo, env);\r | |
5579 | }\r | |
5580 | } while ((r == 0) && IS_NOT_NULL(nd = NODE_CDR(nd)));\r | |
14b0e578 CS |
5581 | }\r |
5582 | break;\r | |
5583 | \r | |
b602265d | 5584 | case NODE_STRING:\r |
14b0e578 | 5585 | {\r |
b602265d DG |
5586 | StrNode* sn = STR_(node);\r |
5587 | int slen = (int )(sn->end - sn->s);\r | |
5588 | /* int is_raw = NODE_STRING_IS_RAW(node); */\r | |
5589 | \r | |
5590 | if (! NODE_STRING_IS_AMBIG(node)) {\r | |
b26691c4 | 5591 | concat_opt_exact_str(&opt->sb, sn->s, sn->end, enc);\r |
b602265d DG |
5592 | if (slen > 0) {\r |
5593 | add_char_opt_map(&opt->map, *(sn->s), enc);\r | |
5594 | }\r | |
14b0e578 CS |
5595 | set_mml(&opt->len, slen, slen);\r |
5596 | }\r | |
5597 | else {\r | |
5598 | int max;\r | |
5599 | \r | |
b602265d DG |
5600 | if (NODE_STRING_IS_DONT_GET_OPT_INFO(node)) {\r |
5601 | int n = onigenc_strlen(enc, sn->s, sn->end);\r | |
5602 | max = ONIGENC_MBC_MAXLEN_DIST(enc) * n;\r | |
5603 | }\r | |
5604 | else {\r | |
b26691c4 LG |
5605 | concat_opt_exact_str(&opt->sb, sn->s, sn->end, enc);\r |
5606 | opt->sb.case_fold = 1;\r | |
5607 | if (NODE_STRING_IS_GOOD_AMBIG(node))\r | |
5608 | opt->sb.good_case_fold = 1;\r | |
14b0e578 | 5609 | \r |
b602265d DG |
5610 | if (slen > 0) {\r |
5611 | r = add_char_amb_opt_map(&opt->map, sn->s, sn->end,\r | |
5612 | enc, env->case_fold_flag);\r | |
5613 | if (r != 0) break;\r | |
5614 | }\r | |
14b0e578 | 5615 | \r |
b602265d DG |
5616 | max = slen;\r |
5617 | }\r | |
14b0e578 CS |
5618 | \r |
5619 | set_mml(&opt->len, slen, max);\r | |
5620 | }\r | |
14b0e578 CS |
5621 | }\r |
5622 | break;\r | |
5623 | \r | |
b602265d | 5624 | case NODE_CCLASS:\r |
14b0e578 | 5625 | {\r |
b602265d DG |
5626 | int z;\r |
5627 | CClassNode* cc = CCLASS_(node);\r | |
14b0e578 | 5628 | \r |
b602265d | 5629 | /* no need to check ignore case. (set in setup_tree()) */\r |
14b0e578 CS |
5630 | \r |
5631 | if (IS_NOT_NULL(cc->mbuf) || IS_NCCLASS_NOT(cc)) {\r | |
b602265d DG |
5632 | OnigLen min = ONIGENC_MBC_MINLEN(enc);\r |
5633 | OnigLen max = ONIGENC_MBC_MAXLEN_DIST(enc);\r | |
14b0e578 | 5634 | \r |
b602265d | 5635 | set_mml(&opt->len, min, max);\r |
14b0e578 CS |
5636 | }\r |
5637 | else {\r | |
5638 | for (i = 0; i < SINGLE_BYTE_SIZE; i++) {\r | |
5639 | z = BITSET_AT(cc->bs, i);\r | |
b602265d DG |
5640 | if ((z && ! IS_NCCLASS_NOT(cc)) || (! z && IS_NCCLASS_NOT(cc))) {\r |
5641 | add_char_opt_map(&opt->map, (UChar )i, enc);\r | |
14b0e578 CS |
5642 | }\r |
5643 | }\r | |
b602265d | 5644 | set_mml(&opt->len, 1, 1);\r |
14b0e578 CS |
5645 | }\r |
5646 | }\r | |
5647 | break;\r | |
5648 | \r | |
b602265d | 5649 | case NODE_CTYPE:\r |
14b0e578 | 5650 | {\r |
b602265d DG |
5651 | int min, max;\r |
5652 | int range;\r | |
14b0e578 | 5653 | \r |
b602265d | 5654 | max = ONIGENC_MBC_MAXLEN_DIST(enc);\r |
14b0e578 CS |
5655 | \r |
5656 | if (max == 1) {\r | |
5657 | min = 1;\r | |
5658 | \r | |
b602265d DG |
5659 | switch (CTYPE_(node)->ctype) {\r |
5660 | case CTYPE_ANYCHAR:\r | |
5661 | break;\r | |
5662 | \r | |
5663 | case ONIGENC_CTYPE_WORD:\r | |
5664 | range = CTYPE_(node)->ascii_mode != 0 ? 128 : SINGLE_BYTE_SIZE;\r | |
5665 | if (CTYPE_(node)->not != 0) {\r | |
5666 | for (i = 0; i < range; i++) {\r | |
5667 | if (! ONIGENC_IS_CODE_WORD(enc, i)) {\r | |
5668 | add_char_opt_map(&opt->map, (UChar )i, enc);\r | |
5669 | }\r | |
5670 | }\r | |
5671 | for (i = range; i < SINGLE_BYTE_SIZE; i++) {\r | |
5672 | add_char_opt_map(&opt->map, (UChar )i, enc);\r | |
5673 | }\r | |
5674 | }\r | |
5675 | else {\r | |
5676 | for (i = 0; i < range; i++) {\r | |
5677 | if (ONIGENC_IS_CODE_WORD(enc, i)) {\r | |
5678 | add_char_opt_map(&opt->map, (UChar )i, enc);\r | |
5679 | }\r | |
5680 | }\r | |
5681 | }\r | |
5682 | break;\r | |
5683 | }\r | |
14b0e578 CS |
5684 | }\r |
5685 | else {\r | |
b602265d | 5686 | min = ONIGENC_MBC_MINLEN(enc);\r |
14b0e578 CS |
5687 | }\r |
5688 | set_mml(&opt->len, min, max);\r | |
5689 | }\r | |
5690 | break;\r | |
5691 | \r | |
b602265d DG |
5692 | case NODE_ANCHOR:\r |
5693 | switch (ANCHOR_(node)->type) {\r | |
b26691c4 LG |
5694 | case ANCR_BEGIN_BUF:\r |
5695 | case ANCR_BEGIN_POSITION:\r | |
5696 | case ANCR_BEGIN_LINE:\r | |
5697 | case ANCR_END_BUF:\r | |
5698 | case ANCR_SEMI_END_BUF:\r | |
5699 | case ANCR_END_LINE:\r | |
5700 | case ANCR_PREC_READ_NOT:\r | |
5701 | case ANCR_LOOK_BEHIND:\r | |
b602265d | 5702 | add_opt_anc_info(&opt->anc, ANCHOR_(node)->type);\r |
14b0e578 CS |
5703 | break;\r |
5704 | \r | |
b26691c4 | 5705 | case ANCR_PREC_READ:\r |
14b0e578 | 5706 | {\r |
b602265d DG |
5707 | r = optimize_nodes(NODE_BODY(node), &xo, env);\r |
5708 | if (r == 0) {\r | |
b26691c4 LG |
5709 | if (xo.sb.len > 0)\r |
5710 | copy_opt_exact(&opt->spr, &xo.sb);\r | |
5711 | else if (xo.sm.len > 0)\r | |
5712 | copy_opt_exact(&opt->spr, &xo.sm);\r | |
14b0e578 | 5713 | \r |
b26691c4 | 5714 | opt->spr.reach_end = 0;\r |
14b0e578 | 5715 | \r |
b602265d DG |
5716 | if (xo.map.value > 0)\r |
5717 | copy_opt_map(&opt->map, &xo.map);\r | |
5718 | }\r | |
14b0e578 CS |
5719 | }\r |
5720 | break;\r | |
5721 | \r | |
b26691c4 | 5722 | case ANCR_LOOK_BEHIND_NOT:\r |
14b0e578 CS |
5723 | break;\r |
5724 | }\r | |
5725 | break;\r | |
5726 | \r | |
b602265d DG |
5727 | case NODE_BACKREF:\r |
5728 | if (! NODE_IS_CHECKER(node)) {\r | |
14b0e578 | 5729 | int* backs;\r |
b602265d DG |
5730 | OnigLen min, max, tmin, tmax;\r |
5731 | MemEnv* mem_env = SCANENV_MEMENV(env->scan_env);\r | |
5732 | BackRefNode* br = BACKREF_(node);\r | |
14b0e578 | 5733 | \r |
b602265d DG |
5734 | if (NODE_IS_RECURSION(node)) {\r |
5735 | set_mml(&opt->len, 0, INFINITE_LEN);\r | |
5736 | break;\r | |
14b0e578 CS |
5737 | }\r |
5738 | backs = BACKREFS_P(br);\r | |
b602265d DG |
5739 | min = tree_min_len(mem_env[backs[0]].node, env->scan_env);\r |
5740 | max = tree_max_len(mem_env[backs[0]].node, env->scan_env);\r | |
14b0e578 | 5741 | for (i = 1; i < br->back_num; i++) {\r |
b602265d DG |
5742 | tmin = tree_min_len(mem_env[backs[i]].node, env->scan_env);\r |
5743 | tmax = tree_max_len(mem_env[backs[i]].node, env->scan_env);\r | |
5744 | if (min > tmin) min = tmin;\r | |
5745 | if (max < tmax) max = tmax;\r | |
14b0e578 | 5746 | }\r |
b602265d | 5747 | set_mml(&opt->len, min, max);\r |
14b0e578 CS |
5748 | }\r |
5749 | break;\r | |
5750 | \r | |
b602265d DG |
5751 | #ifdef USE_CALL\r |
5752 | case NODE_CALL:\r | |
5753 | if (NODE_IS_RECURSION(node))\r | |
5754 | set_mml(&opt->len, 0, INFINITE_LEN);\r | |
14b0e578 CS |
5755 | else {\r |
5756 | OnigOptionType save = env->options;\r | |
b26691c4 | 5757 | env->options = BAG_(NODE_BODY(node))->o.options;\r |
b602265d | 5758 | r = optimize_nodes(NODE_BODY(node), opt, env);\r |
14b0e578 CS |
5759 | env->options = save;\r |
5760 | }\r | |
5761 | break;\r | |
5762 | #endif\r | |
5763 | \r | |
b602265d | 5764 | case NODE_QUANT:\r |
14b0e578 | 5765 | {\r |
b602265d DG |
5766 | OnigLen min, max;\r |
5767 | QuantNode* qn = QUANT_(node);\r | |
5768 | \r | |
5769 | r = optimize_nodes(NODE_BODY(node), &xo, env);\r | |
5770 | if (r != 0) break;\r | |
5771 | \r | |
5772 | if (qn->lower > 0) {\r | |
5773 | copy_node_opt_info(opt, &xo);\r | |
b26691c4 LG |
5774 | if (xo.sb.len > 0) {\r |
5775 | if (xo.sb.reach_end) {\r | |
5776 | for (i = 2; i <= qn->lower && ! is_full_opt_exact(&opt->sb); i++) {\r | |
5777 | int rc = concat_opt_exact(&opt->sb, &xo.sb, enc);\r | |
b602265d DG |
5778 | if (rc > 0) break;\r |
5779 | }\r | |
b26691c4 | 5780 | if (i < qn->lower) opt->sb.reach_end = 0;\r |
b602265d DG |
5781 | }\r |
5782 | }\r | |
5783 | \r | |
5784 | if (qn->lower != qn->upper) {\r | |
b26691c4 LG |
5785 | opt->sb.reach_end = 0;\r |
5786 | opt->sm.reach_end = 0;\r | |
b602265d DG |
5787 | }\r |
5788 | if (qn->lower > 1)\r | |
b26691c4 | 5789 | opt->sm.reach_end = 0;\r |
b602265d DG |
5790 | }\r |
5791 | \r | |
b26691c4 | 5792 | if (IS_INFINITE_REPEAT(qn->upper)) {\r |
b602265d DG |
5793 | if (env->mmd.max == 0 &&\r |
5794 | NODE_IS_ANYCHAR(NODE_BODY(node)) && qn->greedy != 0) {\r | |
5795 | if (IS_MULTILINE(CTYPE_OPTION(NODE_QUANT_BODY(qn), env)))\r | |
b26691c4 | 5796 | add_opt_anc_info(&opt->anc, ANCR_ANYCHAR_INF_ML);\r |
b602265d | 5797 | else\r |
b26691c4 | 5798 | add_opt_anc_info(&opt->anc, ANCR_ANYCHAR_INF);\r |
b602265d DG |
5799 | }\r |
5800 | \r | |
5801 | max = (xo.len.max > 0 ? INFINITE_LEN : 0);\r | |
14b0e578 CS |
5802 | }\r |
5803 | else {\r | |
b602265d | 5804 | max = distance_multiply(xo.len.max, qn->upper);\r |
14b0e578 CS |
5805 | }\r |
5806 | \r | |
b602265d | 5807 | min = distance_multiply(xo.len.min, qn->lower);\r |
14b0e578 CS |
5808 | set_mml(&opt->len, min, max);\r |
5809 | }\r | |
5810 | break;\r | |
5811 | \r | |
b26691c4 | 5812 | case NODE_BAG:\r |
b602265d | 5813 | {\r |
b26691c4 | 5814 | BagNode* en = BAG_(node);\r |
b602265d DG |
5815 | \r |
5816 | switch (en->type) {\r | |
b26691c4 | 5817 | case BAG_OPTION:\r |
b602265d DG |
5818 | {\r |
5819 | OnigOptionType save = env->options;\r | |
5820 | \r | |
5821 | env->options = en->o.options;\r | |
5822 | r = optimize_nodes(NODE_BODY(node), opt, env);\r | |
5823 | env->options = save;\r | |
5824 | }\r | |
5825 | break;\r | |
5826 | \r | |
b26691c4 | 5827 | case BAG_MEMORY:\r |
b602265d DG |
5828 | #ifdef USE_CALL\r |
5829 | en->opt_count++;\r | |
5830 | if (en->opt_count > MAX_NODE_OPT_INFO_REF_COUNT) {\r | |
5831 | OnigLen min, max;\r | |
5832 | \r | |
5833 | min = 0;\r | |
5834 | max = INFINITE_LEN;\r | |
5835 | if (NODE_IS_MIN_FIXED(node)) min = en->min_len;\r | |
5836 | if (NODE_IS_MAX_FIXED(node)) max = en->max_len;\r | |
5837 | set_mml(&opt->len, min, max);\r | |
5838 | }\r | |
5839 | else\r | |
5840 | #endif\r | |
5841 | {\r | |
5842 | r = optimize_nodes(NODE_BODY(node), opt, env);\r | |
b26691c4 | 5843 | if (is_set_opt_anc_info(&opt->anc, ANCR_ANYCHAR_INF_MASK)) {\r |
b602265d | 5844 | if (MEM_STATUS_AT0(env->scan_env->backrefed_mem, en->m.regnum))\r |
b26691c4 | 5845 | remove_opt_anc_info(&opt->anc, ANCR_ANYCHAR_INF_MASK);\r |
b602265d DG |
5846 | }\r |
5847 | }\r | |
5848 | break;\r | |
5849 | \r | |
b26691c4 | 5850 | case BAG_STOP_BACKTRACK:\r |
b602265d DG |
5851 | r = optimize_nodes(NODE_BODY(node), opt, env);\r |
5852 | break;\r | |
5853 | \r | |
b26691c4 | 5854 | case BAG_IF_ELSE:\r |
b602265d DG |
5855 | {\r |
5856 | OptEnv nenv;\r | |
5857 | \r | |
5858 | copy_opt_env(&nenv, env);\r | |
b26691c4 | 5859 | r = optimize_nodes(NODE_BAG_BODY(en), &xo, &nenv);\r |
b602265d DG |
5860 | if (r == 0) {\r |
5861 | add_mml(&nenv.mmd, &xo.len);\r | |
5862 | concat_left_node_opt_info(enc, opt, &xo);\r | |
5863 | if (IS_NOT_NULL(en->te.Then)) {\r | |
5864 | r = optimize_nodes(en->te.Then, &xo, &nenv);\r | |
5865 | if (r == 0) {\r | |
5866 | concat_left_node_opt_info(enc, opt, &xo);\r | |
5867 | }\r | |
5868 | }\r | |
5869 | \r | |
5870 | if (IS_NOT_NULL(en->te.Else)) {\r | |
5871 | r = optimize_nodes(en->te.Else, &xo, env);\r | |
5872 | if (r == 0)\r | |
5873 | alt_merge_node_opt_info(opt, &xo, env);\r | |
5874 | }\r | |
5875 | }\r | |
5876 | }\r | |
5877 | break;\r | |
5878 | }\r | |
5879 | }\r | |
5880 | break;\r | |
5881 | \r | |
5882 | case NODE_GIMMICK:\r | |
14b0e578 CS |
5883 | break;\r |
5884 | \r | |
5885 | default:\r | |
5886 | #ifdef ONIG_DEBUG\r | |
b602265d | 5887 | fprintf(stderr, "optimize_nodes: undefined node type %d\n", NODE_TYPE(node));\r |
14b0e578 CS |
5888 | #endif\r |
5889 | r = ONIGERR_TYPE_BUG;\r | |
5890 | break;\r | |
5891 | }\r | |
5892 | \r | |
5893 | return r;\r | |
5894 | }\r | |
5895 | \r | |
5896 | static int\r | |
b26691c4 | 5897 | set_optimize_exact(regex_t* reg, OptStr* e)\r |
14b0e578 CS |
5898 | {\r |
5899 | int r;\r | |
5900 | \r | |
5901 | if (e->len == 0) return 0;\r | |
5902 | \r | |
b26691c4 LG |
5903 | reg->exact = (UChar* )xmalloc(e->len);\r |
5904 | CHECK_NULL_RETURN_MEMERR(reg->exact);\r | |
5905 | xmemcpy(reg->exact, e->s, e->len);\r | |
5906 | reg->exact_end = reg->exact + e->len;\r | |
5907 | \r | |
5908 | if (e->case_fold) {\r | |
5909 | reg->optimize = OPTIMIZE_STR_CASE_FOLD;\r | |
5910 | if (e->good_case_fold != 0) {\r | |
5911 | if (e->len >= 2) {\r | |
5912 | r = set_sunday_quick_search_or_bmh_skip_table(reg, 1,\r | |
5913 | reg->exact, reg->exact_end,\r | |
5914 | reg->map, &(reg->map_offset));\r | |
5915 | if (r != 0) return r;\r | |
5916 | reg->optimize = OPTIMIZE_STR_CASE_FOLD_FAST;\r | |
5917 | }\r | |
5918 | }\r | |
14b0e578 CS |
5919 | }\r |
5920 | else {\r | |
5921 | int allow_reverse;\r | |
5922 | \r | |
14b0e578 | 5923 | allow_reverse =\r |
b602265d | 5924 | ONIGENC_IS_ALLOWED_REVERSE_MATCH(reg->enc, reg->exact, reg->exact_end);\r |
14b0e578 | 5925 | \r |
b26691c4 LG |
5926 | if (e->len >= 2 || (e->len >= 1 && allow_reverse)) {\r |
5927 | r = set_sunday_quick_search_or_bmh_skip_table(reg, 0,\r | |
5928 | reg->exact, reg->exact_end,\r | |
5929 | reg->map, &(reg->map_offset));\r | |
b602265d | 5930 | if (r != 0) return r;\r |
14b0e578 CS |
5931 | \r |
5932 | reg->optimize = (allow_reverse != 0\r | |
b26691c4 LG |
5933 | ? OPTIMIZE_STR_FAST\r |
5934 | : OPTIMIZE_STR_FAST_STEP_FORWARD);\r | |
14b0e578 CS |
5935 | }\r |
5936 | else {\r | |
b26691c4 | 5937 | reg->optimize = OPTIMIZE_STR;\r |
14b0e578 CS |
5938 | }\r |
5939 | }\r | |
5940 | \r | |
5941 | reg->dmin = e->mmd.min;\r | |
5942 | reg->dmax = e->mmd.max;\r | |
5943 | \r | |
b602265d DG |
5944 | if (reg->dmin != INFINITE_LEN) {\r |
5945 | reg->threshold_len = reg->dmin + (int )(reg->exact_end - reg->exact);\r | |
14b0e578 CS |
5946 | }\r |
5947 | \r | |
5948 | return 0;\r | |
5949 | }\r | |
5950 | \r | |
5951 | static void\r | |
b602265d | 5952 | set_optimize_map(regex_t* reg, OptMap* m)\r |
14b0e578 CS |
5953 | {\r |
5954 | int i;\r | |
5955 | \r | |
b26691c4 | 5956 | for (i = 0; i < CHAR_MAP_SIZE; i++)\r |
14b0e578 CS |
5957 | reg->map[i] = m->map[i];\r |
5958 | \r | |
b602265d | 5959 | reg->optimize = OPTIMIZE_MAP;\r |
14b0e578 CS |
5960 | reg->dmin = m->mmd.min;\r |
5961 | reg->dmax = m->mmd.max;\r | |
5962 | \r | |
b602265d | 5963 | if (reg->dmin != INFINITE_LEN) {\r |
14b0e578 CS |
5964 | reg->threshold_len = reg->dmin + 1;\r |
5965 | }\r | |
5966 | }\r | |
5967 | \r | |
5968 | static void\r | |
b602265d | 5969 | set_sub_anchor(regex_t* reg, OptAnc* anc)\r |
14b0e578 | 5970 | {\r |
b26691c4 LG |
5971 | reg->sub_anchor |= anc->left & ANCR_BEGIN_LINE;\r |
5972 | reg->sub_anchor |= anc->right & ANCR_END_LINE;\r | |
14b0e578 CS |
5973 | }\r |
5974 | \r | |
b602265d | 5975 | #if defined(ONIG_DEBUG_COMPILE) || defined(ONIG_DEBUG_MATCH)\r |
14b0e578 CS |
5976 | static void print_optimize_info(FILE* f, regex_t* reg);\r |
5977 | #endif\r | |
5978 | \r | |
5979 | static int\r | |
5980 | set_optimize_info_from_tree(Node* node, regex_t* reg, ScanEnv* scan_env)\r | |
5981 | {\r | |
14b0e578 | 5982 | int r;\r |
b26691c4 | 5983 | OptNode opt;\r |
14b0e578 CS |
5984 | OptEnv env;\r |
5985 | \r | |
5986 | env.enc = reg->enc;\r | |
5987 | env.options = reg->options;\r | |
5988 | env.case_fold_flag = reg->case_fold_flag;\r | |
b602265d | 5989 | env.scan_env = scan_env;\r |
14b0e578 CS |
5990 | clear_mml(&env.mmd);\r |
5991 | \r | |
b602265d DG |
5992 | r = optimize_nodes(node, &opt, &env);\r |
5993 | if (r != 0) return r;\r | |
5994 | \r | |
b26691c4 LG |
5995 | reg->anchor = opt.anc.left & (ANCR_BEGIN_BUF |\r |
5996 | ANCR_BEGIN_POSITION | ANCR_ANYCHAR_INF | ANCR_ANYCHAR_INF_ML |\r | |
5997 | ANCR_LOOK_BEHIND);\r | |
14b0e578 | 5998 | \r |
b26691c4 LG |
5999 | if ((opt.anc.left & (ANCR_LOOK_BEHIND | ANCR_PREC_READ_NOT)) != 0)\r |
6000 | reg->anchor &= ~ANCR_ANYCHAR_INF_ML;\r | |
14b0e578 | 6001 | \r |
b26691c4 LG |
6002 | reg->anchor |= opt.anc.right & (ANCR_END_BUF | ANCR_SEMI_END_BUF |\r |
6003 | ANCR_PREC_READ_NOT);\r | |
14b0e578 | 6004 | \r |
b26691c4 | 6005 | if (reg->anchor & (ANCR_END_BUF | ANCR_SEMI_END_BUF)) {\r |
14b0e578 CS |
6006 | reg->anchor_dmin = opt.len.min;\r |
6007 | reg->anchor_dmax = opt.len.max;\r | |
6008 | }\r | |
6009 | \r | |
b26691c4 LG |
6010 | if (opt.sb.len > 0 || opt.sm.len > 0) {\r |
6011 | select_opt_exact(reg->enc, &opt.sb, &opt.sm);\r | |
6012 | if (opt.map.value > 0 && comp_opt_exact_or_map(&opt.sb, &opt.map) > 0) {\r | |
14b0e578 CS |
6013 | goto set_map;\r |
6014 | }\r | |
6015 | else {\r | |
b26691c4 LG |
6016 | r = set_optimize_exact(reg, &opt.sb);\r |
6017 | set_sub_anchor(reg, &opt.sb.anc);\r | |
14b0e578 CS |
6018 | }\r |
6019 | }\r | |
6020 | else if (opt.map.value > 0) {\r | |
6021 | set_map:\r | |
b602265d | 6022 | set_optimize_map(reg, &opt.map);\r |
14b0e578 CS |
6023 | set_sub_anchor(reg, &opt.map.anc);\r |
6024 | }\r | |
6025 | else {\r | |
b26691c4 | 6026 | reg->sub_anchor |= opt.anc.left & ANCR_BEGIN_LINE;\r |
14b0e578 | 6027 | if (opt.len.max == 0)\r |
b26691c4 | 6028 | reg->sub_anchor |= opt.anc.right & ANCR_END_LINE;\r |
14b0e578 CS |
6029 | }\r |
6030 | \r | |
6031 | #if defined(ONIG_DEBUG_COMPILE) || defined(ONIG_DEBUG_MATCH)\r | |
6032 | print_optimize_info(stderr, reg);\r | |
6033 | #endif\r | |
6034 | return r;\r | |
6035 | }\r | |
6036 | \r | |
6037 | static void\r | |
6038 | clear_optimize_info(regex_t* reg)\r | |
6039 | {\r | |
b602265d | 6040 | reg->optimize = OPTIMIZE_NONE;\r |
14b0e578 CS |
6041 | reg->anchor = 0;\r |
6042 | reg->anchor_dmin = 0;\r | |
6043 | reg->anchor_dmax = 0;\r | |
6044 | reg->sub_anchor = 0;\r | |
6045 | reg->exact_end = (UChar* )NULL;\r | |
b26691c4 | 6046 | reg->map_offset = 0;\r |
14b0e578 CS |
6047 | reg->threshold_len = 0;\r |
6048 | if (IS_NOT_NULL(reg->exact)) {\r | |
6049 | xfree(reg->exact);\r | |
6050 | reg->exact = (UChar* )NULL;\r | |
6051 | }\r | |
6052 | }\r | |
6053 | \r | |
6054 | #ifdef ONIG_DEBUG\r | |
6055 | \r | |
6056 | static void print_enc_string(FILE* fp, OnigEncoding enc,\r | |
b602265d | 6057 | const UChar *s, const UChar *end)\r |
14b0e578 CS |
6058 | {\r |
6059 | fprintf(fp, "\nPATTERN: /");\r | |
6060 | \r | |
6061 | if (ONIGENC_MBC_MINLEN(enc) > 1) {\r | |
6062 | const UChar *p;\r | |
6063 | OnigCodePoint code;\r | |
6064 | \r | |
6065 | p = s;\r | |
6066 | while (p < end) {\r | |
6067 | code = ONIGENC_MBC_TO_CODE(enc, p, end);\r | |
6068 | if (code >= 0x80) {\r | |
b602265d | 6069 | fprintf(fp, " 0x%04x ", (int )code);\r |
14b0e578 CS |
6070 | }\r |
6071 | else {\r | |
b602265d | 6072 | fputc((int )code, fp);\r |
14b0e578 CS |
6073 | }\r |
6074 | \r | |
6075 | p += enclen(enc, p);\r | |
6076 | }\r | |
6077 | }\r | |
6078 | else {\r | |
6079 | while (s < end) {\r | |
6080 | fputc((int )*s, fp);\r | |
6081 | s++;\r | |
6082 | }\r | |
6083 | }\r | |
6084 | \r | |
6085 | fprintf(fp, "/\n");\r | |
6086 | }\r | |
6087 | \r | |
b602265d DG |
6088 | #endif /* ONIG_DEBUG */\r |
6089 | \r | |
6090 | #if defined(ONIG_DEBUG_COMPILE) || defined(ONIG_DEBUG_MATCH)\r | |
6091 | \r | |
14b0e578 | 6092 | static void\r |
b602265d | 6093 | print_distance_range(FILE* f, OnigLen a, OnigLen b)\r |
14b0e578 | 6094 | {\r |
b602265d | 6095 | if (a == INFINITE_LEN)\r |
14b0e578 CS |
6096 | fputs("inf", f);\r |
6097 | else\r | |
6098 | fprintf(f, "(%u)", a);\r | |
6099 | \r | |
6100 | fputs("-", f);\r | |
6101 | \r | |
b602265d | 6102 | if (b == INFINITE_LEN)\r |
14b0e578 CS |
6103 | fputs("inf", f);\r |
6104 | else\r | |
6105 | fprintf(f, "(%u)", b);\r | |
6106 | }\r | |
6107 | \r | |
6108 | static void\r | |
6109 | print_anchor(FILE* f, int anchor)\r | |
6110 | {\r | |
6111 | int q = 0;\r | |
6112 | \r | |
6113 | fprintf(f, "[");\r | |
6114 | \r | |
b26691c4 | 6115 | if (anchor & ANCR_BEGIN_BUF) {\r |
14b0e578 CS |
6116 | fprintf(f, "begin-buf");\r |
6117 | q = 1;\r | |
6118 | }\r | |
b26691c4 | 6119 | if (anchor & ANCR_BEGIN_LINE) {\r |
14b0e578 CS |
6120 | if (q) fprintf(f, ", ");\r |
6121 | q = 1;\r | |
6122 | fprintf(f, "begin-line");\r | |
6123 | }\r | |
b26691c4 | 6124 | if (anchor & ANCR_BEGIN_POSITION) {\r |
14b0e578 CS |
6125 | if (q) fprintf(f, ", ");\r |
6126 | q = 1;\r | |
6127 | fprintf(f, "begin-pos");\r | |
6128 | }\r | |
b26691c4 | 6129 | if (anchor & ANCR_END_BUF) {\r |
14b0e578 CS |
6130 | if (q) fprintf(f, ", ");\r |
6131 | q = 1;\r | |
6132 | fprintf(f, "end-buf");\r | |
6133 | }\r | |
b26691c4 | 6134 | if (anchor & ANCR_SEMI_END_BUF) {\r |
14b0e578 CS |
6135 | if (q) fprintf(f, ", ");\r |
6136 | q = 1;\r | |
6137 | fprintf(f, "semi-end-buf");\r | |
6138 | }\r | |
b26691c4 | 6139 | if (anchor & ANCR_END_LINE) {\r |
14b0e578 CS |
6140 | if (q) fprintf(f, ", ");\r |
6141 | q = 1;\r | |
6142 | fprintf(f, "end-line");\r | |
6143 | }\r | |
b26691c4 | 6144 | if (anchor & ANCR_ANYCHAR_INF) {\r |
14b0e578 CS |
6145 | if (q) fprintf(f, ", ");\r |
6146 | q = 1;\r | |
b602265d | 6147 | fprintf(f, "anychar-inf");\r |
14b0e578 | 6148 | }\r |
b26691c4 | 6149 | if (anchor & ANCR_ANYCHAR_INF_ML) {\r |
14b0e578 | 6150 | if (q) fprintf(f, ", ");\r |
b602265d | 6151 | fprintf(f, "anychar-inf-ml");\r |
14b0e578 CS |
6152 | }\r |
6153 | \r | |
6154 | fprintf(f, "]");\r | |
6155 | }\r | |
6156 | \r | |
6157 | static void\r | |
6158 | print_optimize_info(FILE* f, regex_t* reg)\r | |
6159 | {\r | |
b26691c4 LG |
6160 | static const char* on[] = { "NONE", "STR",\r |
6161 | "STR_FAST", "STR_FAST_STEP_FORWARD",\r | |
6162 | "STR_CASE_FOLD_FAST", "STR_CASE_FOLD", "MAP" };\r | |
14b0e578 CS |
6163 | \r |
6164 | fprintf(f, "optimize: %s\n", on[reg->optimize]);\r | |
6165 | fprintf(f, " anchor: "); print_anchor(f, reg->anchor);\r | |
b26691c4 | 6166 | if ((reg->anchor & ANCR_END_BUF_MASK) != 0)\r |
14b0e578 CS |
6167 | print_distance_range(f, reg->anchor_dmin, reg->anchor_dmax);\r |
6168 | fprintf(f, "\n");\r | |
6169 | \r | |
6170 | if (reg->optimize) {\r | |
6171 | fprintf(f, " sub anchor: "); print_anchor(f, reg->sub_anchor);\r | |
6172 | fprintf(f, "\n");\r | |
6173 | }\r | |
6174 | fprintf(f, "\n");\r | |
6175 | \r | |
6176 | if (reg->exact) {\r | |
6177 | UChar *p;\r | |
6178 | fprintf(f, "exact: [");\r | |
6179 | for (p = reg->exact; p < reg->exact_end; p++) {\r | |
6180 | fputc(*p, f);\r | |
6181 | }\r | |
b602265d | 6182 | fprintf(f, "]: length: %ld\n", (reg->exact_end - reg->exact));\r |
14b0e578 | 6183 | }\r |
b602265d | 6184 | else if (reg->optimize & OPTIMIZE_MAP) {\r |
14b0e578 CS |
6185 | int c, i, n = 0;\r |
6186 | \r | |
b26691c4 | 6187 | for (i = 0; i < CHAR_MAP_SIZE; i++)\r |
14b0e578 CS |
6188 | if (reg->map[i]) n++;\r |
6189 | \r | |
6190 | fprintf(f, "map: n=%d\n", n);\r | |
6191 | if (n > 0) {\r | |
6192 | c = 0;\r | |
6193 | fputc('[', f);\r | |
b26691c4 | 6194 | for (i = 0; i < CHAR_MAP_SIZE; i++) {\r |
b602265d | 6195 | if (reg->map[i] != 0) {\r |
14b0e578 CS |
6196 | if (c > 0) fputs(", ", f);\r |
6197 | c++;\r | |
6198 | if (ONIGENC_MBC_MAXLEN(reg->enc) == 1 &&\r | |
6199 | ONIGENC_IS_CODE_PRINT(reg->enc, (OnigCodePoint )i))\r | |
6200 | fputc(i, f);\r | |
6201 | else\r | |
6202 | fprintf(f, "%d", i);\r | |
6203 | }\r | |
6204 | }\r | |
6205 | fprintf(f, "]\n");\r | |
6206 | }\r | |
6207 | }\r | |
6208 | }\r | |
b602265d DG |
6209 | #endif\r |
6210 | \r | |
6211 | \r | |
6212 | extern RegexExt*\r | |
6213 | onig_get_regex_ext(regex_t* reg)\r | |
6214 | {\r | |
b26691c4 | 6215 | if (IS_NULL(reg->extp)) {\r |
b602265d DG |
6216 | RegexExt* ext = (RegexExt* )xmalloc(sizeof(*ext));\r |
6217 | if (IS_NULL(ext)) return 0;\r | |
6218 | \r | |
6219 | ext->pattern = 0;\r | |
6220 | ext->pattern_end = 0;\r | |
6221 | #ifdef USE_CALLOUT\r | |
6222 | ext->tag_table = 0;\r | |
6223 | ext->callout_num = 0;\r | |
6224 | ext->callout_list_alloc = 0;\r | |
6225 | ext->callout_list = 0;\r | |
6226 | #endif\r | |
6227 | \r | |
b26691c4 | 6228 | reg->extp = ext;\r |
b602265d DG |
6229 | }\r |
6230 | \r | |
b26691c4 | 6231 | return reg->extp;\r |
b602265d DG |
6232 | }\r |
6233 | \r | |
6234 | static void\r | |
6235 | free_regex_ext(RegexExt* ext)\r | |
6236 | {\r | |
6237 | if (IS_NOT_NULL(ext)) {\r | |
6238 | if (IS_NOT_NULL(ext->pattern))\r | |
6239 | xfree((void* )ext->pattern);\r | |
6240 | \r | |
6241 | #ifdef USE_CALLOUT\r | |
6242 | if (IS_NOT_NULL(ext->tag_table))\r | |
6243 | onig_callout_tag_table_free(ext->tag_table);\r | |
6244 | \r | |
6245 | if (IS_NOT_NULL(ext->callout_list))\r | |
6246 | onig_free_reg_callout_list(ext->callout_num, ext->callout_list);\r | |
6247 | #endif\r | |
6248 | \r | |
6249 | xfree(ext);\r | |
6250 | }\r | |
6251 | }\r | |
6252 | \r | |
6253 | extern int\r | |
6254 | onig_ext_set_pattern(regex_t* reg, const UChar* pattern, const UChar* pattern_end)\r | |
6255 | {\r | |
6256 | RegexExt* ext;\r | |
6257 | UChar* s;\r | |
6258 | \r | |
6259 | ext = onig_get_regex_ext(reg);\r | |
6260 | CHECK_NULL_RETURN_MEMERR(ext);\r | |
6261 | \r | |
6262 | s = onigenc_strdup(reg->enc, pattern, pattern_end);\r | |
6263 | CHECK_NULL_RETURN_MEMERR(s);\r | |
6264 | \r | |
6265 | ext->pattern = s;\r | |
6266 | ext->pattern_end = s + (pattern_end - pattern);\r | |
6267 | \r | |
6268 | return ONIG_NORMAL;\r | |
6269 | }\r | |
14b0e578 | 6270 | \r |
14b0e578 CS |
6271 | extern void\r |
6272 | onig_free_body(regex_t* reg)\r | |
6273 | {\r | |
6274 | if (IS_NOT_NULL(reg)) {\r | |
b26691c4 LG |
6275 | ops_free(reg);\r |
6276 | if (IS_NOT_NULL(reg->string_pool)) {\r | |
6277 | xfree(reg->string_pool);\r | |
6278 | reg->string_pool_end = reg->string_pool = 0;\r | |
6279 | }\r | |
14b0e578 | 6280 | if (IS_NOT_NULL(reg->exact)) xfree(reg->exact);\r |
14b0e578 | 6281 | if (IS_NOT_NULL(reg->repeat_range)) xfree(reg->repeat_range);\r |
b26691c4 LG |
6282 | if (IS_NOT_NULL(reg->extp)) {\r |
6283 | free_regex_ext(reg->extp);\r | |
6284 | reg->extp = 0;\r | |
b602265d | 6285 | }\r |
14b0e578 | 6286 | \r |
14b0e578 | 6287 | onig_names_free(reg);\r |
14b0e578 CS |
6288 | }\r |
6289 | }\r | |
6290 | \r | |
6291 | extern void\r | |
6292 | onig_free(regex_t* reg)\r | |
6293 | {\r | |
6294 | if (IS_NOT_NULL(reg)) {\r | |
6295 | onig_free_body(reg);\r | |
6296 | xfree(reg);\r | |
6297 | }\r | |
6298 | }\r | |
6299 | \r | |
14b0e578 | 6300 | \r |
b602265d | 6301 | #ifdef ONIG_DEBUG_PARSE\r |
14b0e578 CS |
6302 | static void print_tree P_((FILE* f, Node* node));\r |
6303 | #endif\r | |
6304 | \r | |
b26691c4 LG |
6305 | extern int onig_init_for_match_at(regex_t* reg);\r |
6306 | \r | |
14b0e578 CS |
6307 | extern int\r |
6308 | onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end,\r | |
b602265d | 6309 | OnigErrorInfo* einfo)\r |
14b0e578 | 6310 | {\r |
b26691c4 | 6311 | int r;\r |
14b0e578 CS |
6312 | Node* root;\r |
6313 | ScanEnv scan_env;\r | |
b602265d | 6314 | #ifdef USE_CALL\r |
14b0e578 CS |
6315 | UnsetAddrList uslist;\r |
6316 | #endif\r | |
6317 | \r | |
b602265d DG |
6318 | root = 0;\r |
6319 | if (IS_NOT_NULL(einfo)) {\r | |
6320 | einfo->enc = reg->enc;\r | |
6321 | einfo->par = (UChar* )NULL;\r | |
6322 | }\r | |
14b0e578 CS |
6323 | \r |
6324 | #ifdef ONIG_DEBUG\r | |
6325 | print_enc_string(stderr, reg->enc, pattern, pattern_end);\r | |
6326 | #endif\r | |
6327 | \r | |
b26691c4 LG |
6328 | if (reg->ops_alloc == 0) {\r |
6329 | r = ops_init(reg, OPS_INIT_SIZE);\r | |
14b0e578 CS |
6330 | if (r != 0) goto end;\r |
6331 | }\r | |
6332 | else\r | |
b26691c4 | 6333 | reg->ops_used = 0;\r |
14b0e578 | 6334 | \r |
b26691c4 LG |
6335 | reg->string_pool = 0;\r |
6336 | reg->string_pool_end = 0;\r | |
14b0e578 CS |
6337 | reg->num_mem = 0;\r |
6338 | reg->num_repeat = 0;\r | |
6339 | reg->num_null_check = 0;\r | |
6340 | reg->repeat_range_alloc = 0;\r | |
6341 | reg->repeat_range = (OnigRepeatRange* )NULL;\r | |
14b0e578 | 6342 | \r |
b602265d DG |
6343 | r = onig_parse_tree(&root, pattern, pattern_end, reg, &scan_env);\r |
6344 | if (r != 0) goto err;\r | |
14b0e578 | 6345 | \r |
14b0e578 CS |
6346 | /* mixed use named group and no-named group */\r |
6347 | if (scan_env.num_named > 0 &&\r | |
6348 | IS_SYNTAX_BV(scan_env.syntax, ONIG_SYN_CAPTURE_ONLY_NAMED_GROUP) &&\r | |
b602265d | 6349 | ! ONIG_IS_OPTION_ON(reg->options, ONIG_OPTION_CAPTURE_GROUP)) {\r |
14b0e578 CS |
6350 | if (scan_env.num_named != scan_env.num_mem)\r |
6351 | r = disable_noname_group_capture(&root, reg, &scan_env);\r | |
6352 | else\r | |
6353 | r = numbered_ref_check(root);\r | |
6354 | \r | |
6355 | if (r != 0) goto err;\r | |
6356 | }\r | |
14b0e578 | 6357 | \r |
b602265d DG |
6358 | r = check_backrefs(root, &scan_env);\r |
6359 | if (r != 0) goto err;\r | |
6360 | \r | |
6361 | #ifdef USE_CALL\r | |
14b0e578 CS |
6362 | if (scan_env.num_call > 0) {\r |
6363 | r = unset_addr_list_init(&uslist, scan_env.num_call);\r | |
6364 | if (r != 0) goto err;\r | |
6365 | scan_env.unset_addr_list = &uslist;\r | |
b602265d DG |
6366 | r = setup_call(root, &scan_env, 0);\r |
6367 | if (r != 0) goto err_unset;\r | |
6368 | r = setup_call2(root);\r | |
14b0e578 | 6369 | if (r != 0) goto err_unset;\r |
b602265d | 6370 | r = recursive_call_check_trav(root, &scan_env, 0);\r |
14b0e578 | 6371 | if (r < 0) goto err_unset;\r |
b602265d | 6372 | r = infinite_recursive_call_check_trav(root, &scan_env);\r |
14b0e578 CS |
6373 | if (r != 0) goto err_unset;\r |
6374 | \r | |
b602265d | 6375 | setup_called_state(root, 0);\r |
14b0e578 | 6376 | }\r |
b602265d DG |
6377 | \r |
6378 | reg->num_call = scan_env.num_call;\r | |
14b0e578 CS |
6379 | #endif\r |
6380 | \r | |
6381 | r = setup_tree(root, reg, 0, &scan_env);\r | |
6382 | if (r != 0) goto err_unset;\r | |
6383 | \r | |
b602265d | 6384 | #ifdef ONIG_DEBUG_PARSE\r |
14b0e578 CS |
6385 | print_tree(stderr, root);\r |
6386 | #endif\r | |
6387 | \r | |
6388 | reg->capture_history = scan_env.capture_history;\r | |
6389 | reg->bt_mem_start = scan_env.bt_mem_start;\r | |
6390 | reg->bt_mem_start |= reg->capture_history;\r | |
6391 | if (IS_FIND_CONDITION(reg->options))\r | |
b602265d | 6392 | MEM_STATUS_ON_ALL(reg->bt_mem_end);\r |
14b0e578 CS |
6393 | else {\r |
6394 | reg->bt_mem_end = scan_env.bt_mem_end;\r | |
6395 | reg->bt_mem_end |= reg->capture_history;\r | |
6396 | }\r | |
b602265d | 6397 | reg->bt_mem_start |= reg->bt_mem_end;\r |
14b0e578 CS |
6398 | \r |
6399 | clear_optimize_info(reg);\r | |
6400 | #ifndef ONIG_DONT_OPTIMIZE\r | |
6401 | r = set_optimize_info_from_tree(root, reg, &scan_env);\r | |
6402 | if (r != 0) goto err_unset;\r | |
6403 | #endif\r | |
6404 | \r | |
b602265d DG |
6405 | if (IS_NOT_NULL(scan_env.mem_env_dynamic)) {\r |
6406 | xfree(scan_env.mem_env_dynamic);\r | |
6407 | scan_env.mem_env_dynamic = (MemEnv* )NULL;\r | |
14b0e578 CS |
6408 | }\r |
6409 | \r | |
b602265d | 6410 | r = compile_tree(root, reg, &scan_env);\r |
14b0e578 | 6411 | if (r == 0) {\r |
b602265d | 6412 | if (scan_env.keep_num > 0) {\r |
b26691c4 | 6413 | r = add_op(reg, OP_UPDATE_VAR);\r |
b602265d | 6414 | if (r != 0) goto err;\r |
b26691c4 LG |
6415 | \r |
6416 | COP(reg)->update_var.type = UPDATE_VAR_KEEP_FROM_STACK_LAST;\r | |
6417 | COP(reg)->update_var.id = 0; /* not used */\r | |
b602265d DG |
6418 | }\r |
6419 | \r | |
b26691c4 LG |
6420 | r = add_op(reg, OP_END);\r |
6421 | if (r != 0) goto err;\r | |
6422 | \r | |
b602265d | 6423 | #ifdef USE_CALL\r |
14b0e578 | 6424 | if (scan_env.num_call > 0) {\r |
b602265d | 6425 | r = fix_unset_addr_list(&uslist, reg);\r |
14b0e578 | 6426 | unset_addr_list_end(&uslist);\r |
b602265d | 6427 | if (r != 0) goto err;\r |
14b0e578 CS |
6428 | }\r |
6429 | #endif\r | |
6430 | \r | |
b602265d DG |
6431 | if ((reg->num_repeat != 0) || (reg->bt_mem_end != 0)\r |
6432 | #ifdef USE_CALLOUT\r | |
b26691c4 | 6433 | || (IS_NOT_NULL(reg->extp) && reg->extp->callout_num != 0)\r |
b602265d DG |
6434 | #endif\r |
6435 | )\r | |
14b0e578 CS |
6436 | reg->stack_pop_level = STACK_POP_LEVEL_ALL;\r |
6437 | else {\r | |
6438 | if (reg->bt_mem_start != 0)\r | |
b602265d | 6439 | reg->stack_pop_level = STACK_POP_LEVEL_MEM_START;\r |
14b0e578 | 6440 | else\r |
b602265d | 6441 | reg->stack_pop_level = STACK_POP_LEVEL_FREE;\r |
14b0e578 | 6442 | }\r |
b26691c4 LG |
6443 | \r |
6444 | r = ops_make_string_pool(reg);\r | |
6445 | if (r != 0) goto err;\r | |
14b0e578 | 6446 | }\r |
b602265d | 6447 | #ifdef USE_CALL\r |
14b0e578 CS |
6448 | else if (scan_env.num_call > 0) {\r |
6449 | unset_addr_list_end(&uslist);\r | |
6450 | }\r | |
6451 | #endif\r | |
6452 | onig_node_free(root);\r | |
6453 | \r | |
6454 | #ifdef ONIG_DEBUG_COMPILE\r | |
14b0e578 | 6455 | onig_print_names(stderr, reg);\r |
b602265d | 6456 | onig_print_compiled_byte_code_list(stderr, reg);\r |
14b0e578 CS |
6457 | #endif\r |
6458 | \r | |
b26691c4 LG |
6459 | #ifdef USE_DIRECT_THREADED_CODE\r |
6460 | /* opcode -> opaddr */\r | |
6461 | onig_init_for_match_at(reg);\r | |
6462 | #endif\r | |
6463 | \r | |
14b0e578 | 6464 | end:\r |
14b0e578 CS |
6465 | return r;\r |
6466 | \r | |
6467 | err_unset:\r | |
b602265d | 6468 | #ifdef USE_CALL\r |
14b0e578 CS |
6469 | if (scan_env.num_call > 0) {\r |
6470 | unset_addr_list_end(&uslist);\r | |
6471 | }\r | |
6472 | #endif\r | |
6473 | err:\r | |
6474 | if (IS_NOT_NULL(scan_env.error)) {\r | |
6475 | if (IS_NOT_NULL(einfo)) {\r | |
14b0e578 CS |
6476 | einfo->par = scan_env.error;\r |
6477 | einfo->par_end = scan_env.error_end;\r | |
6478 | }\r | |
6479 | }\r | |
6480 | \r | |
6481 | onig_node_free(root);\r | |
b602265d DG |
6482 | if (IS_NOT_NULL(scan_env.mem_env_dynamic))\r |
6483 | xfree(scan_env.mem_env_dynamic);\r | |
14b0e578 CS |
6484 | return r;\r |
6485 | }\r | |
6486 | \r | |
b602265d DG |
6487 | \r |
6488 | static int onig_inited = 0;\r | |
6489 | \r | |
14b0e578 | 6490 | extern int\r |
b602265d DG |
6491 | onig_reg_init(regex_t* reg, OnigOptionType option, OnigCaseFoldType case_fold_flag,\r |
6492 | OnigEncoding enc, OnigSyntaxType* syntax)\r | |
14b0e578 CS |
6493 | {\r |
6494 | int r;\r | |
14b0e578 | 6495 | \r |
b602265d | 6496 | xmemset(reg, 0, sizeof(*reg));\r |
14b0e578 | 6497 | \r |
b602265d DG |
6498 | if (onig_inited == 0) {\r |
6499 | #if 0\r | |
6500 | return ONIGERR_LIBRARY_IS_NOT_INITIALIZED;\r | |
6501 | #else\r | |
6502 | r = onig_initialize(&enc, 1);\r | |
6503 | if (r != 0)\r | |
6504 | return ONIGERR_FAIL_TO_INITIALIZE;\r | |
14b0e578 | 6505 | \r |
b602265d DG |
6506 | onig_warning("You didn't call onig_initialize() explicitly");\r |
6507 | #endif\r | |
6508 | }\r | |
14b0e578 CS |
6509 | \r |
6510 | if (IS_NULL(reg))\r | |
6511 | return ONIGERR_INVALID_ARGUMENT;\r | |
6512 | \r | |
6513 | if (ONIGENC_IS_UNDEF(enc))\r | |
6514 | return ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED;\r | |
6515 | \r | |
6516 | if ((option & (ONIG_OPTION_DONT_CAPTURE_GROUP|ONIG_OPTION_CAPTURE_GROUP))\r | |
6517 | == (ONIG_OPTION_DONT_CAPTURE_GROUP|ONIG_OPTION_CAPTURE_GROUP)) {\r | |
6518 | return ONIGERR_INVALID_COMBINATION_OF_OPTIONS;\r | |
6519 | }\r | |
6520 | \r | |
14b0e578 CS |
6521 | if ((option & ONIG_OPTION_NEGATE_SINGLELINE) != 0) {\r |
6522 | option |= syntax->options;\r | |
6523 | option &= ~ONIG_OPTION_SINGLELINE;\r | |
6524 | }\r | |
6525 | else\r | |
6526 | option |= syntax->options;\r | |
6527 | \r | |
6528 | (reg)->enc = enc;\r | |
6529 | (reg)->options = option;\r | |
6530 | (reg)->syntax = syntax;\r | |
6531 | (reg)->optimize = 0;\r | |
6532 | (reg)->exact = (UChar* )NULL;\r | |
b26691c4 | 6533 | (reg)->extp = (RegexExt* )NULL;\r |
14b0e578 | 6534 | \r |
b26691c4 LG |
6535 | (reg)->ops = (Operation* )NULL;\r |
6536 | (reg)->ops_curr = (Operation* )NULL;\r | |
6537 | (reg)->ops_used = 0;\r | |
6538 | (reg)->ops_alloc = 0;\r | |
14b0e578 CS |
6539 | (reg)->name_table = (void* )NULL;\r |
6540 | \r | |
6541 | (reg)->case_fold_flag = case_fold_flag;\r | |
6542 | return 0;\r | |
6543 | }\r | |
6544 | \r | |
6545 | extern int\r | |
b602265d DG |
6546 | onig_new_without_alloc(regex_t* reg,\r |
6547 | const UChar* pattern, const UChar* pattern_end,\r | |
6548 | OnigOptionType option, OnigEncoding enc,\r | |
6549 | OnigSyntaxType* syntax, OnigErrorInfo* einfo)\r | |
14b0e578 CS |
6550 | {\r |
6551 | int r;\r | |
6552 | \r | |
6553 | r = onig_reg_init(reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax);\r | |
b602265d | 6554 | if (r != 0) return r;\r |
14b0e578 CS |
6555 | \r |
6556 | r = onig_compile(reg, pattern, pattern_end, einfo);\r | |
6557 | return r;\r | |
6558 | }\r | |
6559 | \r | |
6560 | extern int\r | |
6561 | onig_new(regex_t** reg, const UChar* pattern, const UChar* pattern_end,\r | |
b602265d DG |
6562 | OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax,\r |
6563 | OnigErrorInfo* einfo)\r | |
14b0e578 CS |
6564 | {\r |
6565 | int r;\r | |
6566 | \r | |
6567 | *reg = (regex_t* )xmalloc(sizeof(regex_t));\r | |
6568 | if (IS_NULL(*reg)) return ONIGERR_MEMORY;\r | |
6569 | \r | |
6570 | r = onig_reg_init(*reg, option, ONIGENC_CASE_FOLD_DEFAULT, enc, syntax);\r | |
b602265d | 6571 | if (r != 0) goto err;\r |
14b0e578 CS |
6572 | \r |
6573 | r = onig_compile(*reg, pattern, pattern_end, einfo);\r | |
b602265d | 6574 | if (r != 0) {\r |
14b0e578 CS |
6575 | err:\r |
6576 | onig_free(*reg);\r | |
6577 | *reg = NULL;\r | |
6578 | }\r | |
6579 | return r;\r | |
6580 | }\r | |
6581 | \r | |
14b0e578 | 6582 | extern int\r |
b602265d | 6583 | onig_initialize(OnigEncoding encodings[], int n)\r |
14b0e578 | 6584 | {\r |
b602265d DG |
6585 | int i;\r |
6586 | int r;\r | |
6587 | \r | |
14b0e578 CS |
6588 | if (onig_inited != 0)\r |
6589 | return 0;\r | |
6590 | \r | |
b602265d | 6591 | onigenc_init();\r |
14b0e578 CS |
6592 | \r |
6593 | onig_inited = 1;\r | |
6594 | \r | |
b602265d DG |
6595 | for (i = 0; i < n; i++) {\r |
6596 | OnigEncoding enc = encodings[i];\r | |
6597 | r = onig_initialize_encoding(enc);\r | |
6598 | if (r != 0)\r | |
6599 | return r;\r | |
6600 | }\r | |
14b0e578 | 6601 | \r |
b602265d | 6602 | return ONIG_NORMAL;\r |
14b0e578 CS |
6603 | }\r |
6604 | \r | |
b602265d DG |
6605 | typedef struct EndCallListItem {\r |
6606 | struct EndCallListItem* next;\r | |
6607 | void (*func)(void);\r | |
6608 | } EndCallListItemType;\r | |
14b0e578 | 6609 | \r |
b602265d | 6610 | static EndCallListItemType* EndCallTop;\r |
14b0e578 CS |
6611 | \r |
6612 | extern void onig_add_end_call(void (*func)(void))\r | |
6613 | {\r | |
b602265d | 6614 | EndCallListItemType* item;\r |
14b0e578 | 6615 | \r |
b602265d | 6616 | item = (EndCallListItemType* )xmalloc(sizeof(*item));\r |
14b0e578 CS |
6617 | if (item == 0) return ;\r |
6618 | \r | |
6619 | item->next = EndCallTop;\r | |
6620 | item->func = func;\r | |
6621 | \r | |
6622 | EndCallTop = item;\r | |
6623 | }\r | |
6624 | \r | |
6625 | static void\r | |
6626 | exec_end_call_list(void)\r | |
6627 | {\r | |
b602265d | 6628 | EndCallListItemType* prev;\r |
14b0e578 CS |
6629 | void (*func)(void);\r |
6630 | \r | |
6631 | while (EndCallTop != 0) {\r | |
6632 | func = EndCallTop->func;\r | |
6633 | (*func)();\r | |
6634 | \r | |
6635 | prev = EndCallTop;\r | |
6636 | EndCallTop = EndCallTop->next;\r | |
6637 | xfree(prev);\r | |
6638 | }\r | |
6639 | }\r | |
6640 | \r | |
6641 | extern int\r | |
6642 | onig_end(void)\r | |
6643 | {\r | |
14b0e578 CS |
6644 | exec_end_call_list();\r |
6645 | \r | |
b602265d DG |
6646 | #ifdef USE_CALLOUT\r |
6647 | onig_global_callout_names_free();\r | |
14b0e578 CS |
6648 | #endif\r |
6649 | \r | |
b602265d | 6650 | onigenc_end();\r |
14b0e578 CS |
6651 | \r |
6652 | onig_inited = 0;\r | |
6653 | \r | |
14b0e578 CS |
6654 | return 0;\r |
6655 | }\r | |
6656 | \r | |
6657 | extern int\r | |
6658 | onig_is_in_code_range(const UChar* p, OnigCodePoint code)\r | |
6659 | {\r | |
6660 | OnigCodePoint n, *data;\r | |
6661 | OnigCodePoint low, high, x;\r | |
6662 | \r | |
6663 | GET_CODE_POINT(n, p);\r | |
6664 | data = (OnigCodePoint* )p;\r | |
6665 | data++;\r | |
6666 | \r | |
6667 | for (low = 0, high = n; low < high; ) {\r | |
6668 | x = (low + high) >> 1;\r | |
6669 | if (code > data[x * 2 + 1])\r | |
6670 | low = x + 1;\r | |
6671 | else\r | |
6672 | high = x;\r | |
6673 | }\r | |
6674 | \r | |
6675 | return ((low < n && code >= data[low * 2]) ? 1 : 0);\r | |
6676 | }\r | |
6677 | \r | |
6678 | extern int\r | |
b602265d | 6679 | onig_is_code_in_cc_len(int elen, OnigCodePoint code, /* CClassNode* */ void* cc_arg)\r |
14b0e578 CS |
6680 | {\r |
6681 | int found;\r | |
b602265d | 6682 | CClassNode* cc = (CClassNode* )cc_arg;\r |
14b0e578 CS |
6683 | \r |
6684 | if (elen > 1 || (code >= SINGLE_BYTE_SIZE)) {\r | |
6685 | if (IS_NULL(cc->mbuf)) {\r | |
6686 | found = 0;\r | |
6687 | }\r | |
6688 | else {\r | |
b26691c4 | 6689 | found = onig_is_in_code_range(cc->mbuf->p, code) != 0;\r |
14b0e578 CS |
6690 | }\r |
6691 | }\r | |
6692 | else {\r | |
b26691c4 | 6693 | found = BITSET_AT(cc->bs, code) != 0;\r |
14b0e578 CS |
6694 | }\r |
6695 | \r | |
6696 | if (IS_NCCLASS_NOT(cc))\r | |
6697 | return !found;\r | |
6698 | else\r | |
6699 | return found;\r | |
6700 | }\r | |
6701 | \r | |
6702 | extern int\r | |
6703 | onig_is_code_in_cc(OnigEncoding enc, OnigCodePoint code, CClassNode* cc)\r | |
6704 | {\r | |
6705 | int len;\r | |
6706 | \r | |
6707 | if (ONIGENC_MBC_MINLEN(enc) > 1) {\r | |
6708 | len = 2;\r | |
6709 | }\r | |
6710 | else {\r | |
6711 | len = ONIGENC_CODE_TO_MBCLEN(enc, code);\r | |
b26691c4 | 6712 | if (len < 0) return 0;\r |
14b0e578 CS |
6713 | }\r |
6714 | return onig_is_code_in_cc_len(len, code, cc);\r | |
6715 | }\r | |
6716 | \r | |
6717 | \r | |
b602265d | 6718 | #ifdef ONIG_DEBUG_PARSE\r |
14b0e578 CS |
6719 | \r |
6720 | static void\r | |
6721 | p_string(FILE* f, int len, UChar* s)\r | |
6722 | {\r | |
6723 | fputs(":", f);\r | |
6724 | while (len-- > 0) { fputc(*s++, f); }\r | |
6725 | }\r | |
6726 | \r | |
6727 | static void\r | |
b602265d | 6728 | Indent(FILE* f, int indent)\r |
14b0e578 | 6729 | {\r |
b602265d DG |
6730 | int i;\r |
6731 | for (i = 0; i < indent; i++) putc(' ', f);\r | |
14b0e578 CS |
6732 | }\r |
6733 | \r | |
6734 | static void\r | |
6735 | print_indent_tree(FILE* f, Node* node, int indent)\r | |
6736 | {\r | |
b602265d DG |
6737 | int i;\r |
6738 | NodeType type;\r | |
14b0e578 | 6739 | UChar* p;\r |
b602265d | 6740 | int add = 3;\r |
14b0e578 CS |
6741 | \r |
6742 | Indent(f, indent);\r | |
6743 | if (IS_NULL(node)) {\r | |
6744 | fprintf(f, "ERROR: null node!!!\n");\r | |
6745 | exit (0);\r | |
6746 | }\r | |
6747 | \r | |
b602265d | 6748 | type = NODE_TYPE(node);\r |
14b0e578 | 6749 | switch (type) {\r |
b602265d DG |
6750 | case NODE_LIST:\r |
6751 | case NODE_ALT:\r | |
6752 | if (type == NODE_LIST)\r | |
6753 | fprintf(f, "<list:%p>\n", node);\r | |
14b0e578 | 6754 | else\r |
b602265d | 6755 | fprintf(f, "<alt:%p>\n", node);\r |
14b0e578 | 6756 | \r |
b602265d DG |
6757 | print_indent_tree(f, NODE_CAR(node), indent + add);\r |
6758 | while (IS_NOT_NULL(node = NODE_CDR(node))) {\r | |
6759 | if (NODE_TYPE(node) != type) {\r | |
6760 | fprintf(f, "ERROR: list/alt right is not a cons. %d\n", NODE_TYPE(node));\r | |
6761 | exit(0);\r | |
14b0e578 | 6762 | }\r |
b602265d | 6763 | print_indent_tree(f, NODE_CAR(node), indent + add);\r |
14b0e578 CS |
6764 | }\r |
6765 | break;\r | |
6766 | \r | |
b602265d | 6767 | case NODE_STRING:\r |
b26691c4 LG |
6768 | {\r |
6769 | char* mode;\r | |
6770 | char* dont;\r | |
6771 | char* good;\r | |
6772 | \r | |
6773 | if (NODE_STRING_IS_RAW(node))\r | |
6774 | mode = "-raw";\r | |
6775 | else if (NODE_STRING_IS_AMBIG(node))\r | |
6776 | mode = "-ambig";\r | |
6777 | else\r | |
6778 | mode = "";\r | |
6779 | \r | |
6780 | if (NODE_STRING_IS_GOOD_AMBIG(node))\r | |
6781 | good = "-good";\r | |
6782 | else\r | |
6783 | good = "";\r | |
6784 | \r | |
6785 | if (NODE_STRING_IS_DONT_GET_OPT_INFO(node))\r | |
6786 | dont = " (dont-opt)";\r | |
6787 | else\r | |
6788 | dont = "";\r | |
6789 | \r | |
6790 | fprintf(f, "<string%s%s%s:%p>", mode, good, dont, node);\r | |
6791 | for (p = STR_(node)->s; p < STR_(node)->end; p++) {\r | |
6792 | if (*p >= 0x20 && *p < 0x7f)\r | |
6793 | fputc(*p, f);\r | |
6794 | else {\r | |
6795 | fprintf(f, " 0x%02x", *p);\r | |
6796 | }\r | |
14b0e578 CS |
6797 | }\r |
6798 | }\r | |
6799 | break;\r | |
6800 | \r | |
b602265d DG |
6801 | case NODE_CCLASS:\r |
6802 | fprintf(f, "<cclass:%p>", node);\r | |
6803 | if (IS_NCCLASS_NOT(CCLASS_(node))) fputs(" not", f);\r | |
6804 | if (CCLASS_(node)->mbuf) {\r | |
6805 | BBuf* bbuf = CCLASS_(node)->mbuf;\r | |
14b0e578 | 6806 | for (i = 0; i < bbuf->used; i++) {\r |
b602265d DG |
6807 | if (i > 0) fprintf(f, ",");\r |
6808 | fprintf(f, "%0x", bbuf->p[i]);\r | |
14b0e578 CS |
6809 | }\r |
6810 | }\r | |
6811 | break;\r | |
6812 | \r | |
b602265d DG |
6813 | case NODE_CTYPE:\r |
6814 | fprintf(f, "<ctype:%p> ", node);\r | |
6815 | switch (CTYPE_(node)->ctype) {\r | |
6816 | case CTYPE_ANYCHAR:\r | |
6817 | fprintf(f, "<anychar:%p>", node);\r | |
6818 | break;\r | |
6819 | \r | |
14b0e578 | 6820 | case ONIGENC_CTYPE_WORD:\r |
b602265d DG |
6821 | if (CTYPE_(node)->not != 0)\r |
6822 | fputs("not word", f);\r | |
14b0e578 | 6823 | else\r |
b602265d DG |
6824 | fputs("word", f);\r |
6825 | \r | |
6826 | if (CTYPE_(node)->ascii_mode != 0)\r | |
6827 | fputs(" (ascii)", f);\r | |
6828 | \r | |
14b0e578 CS |
6829 | break;\r |
6830 | \r | |
6831 | default:\r | |
6832 | fprintf(f, "ERROR: undefined ctype.\n");\r | |
6833 | exit(0);\r | |
6834 | }\r | |
6835 | break;\r | |
6836 | \r | |
b602265d DG |
6837 | case NODE_ANCHOR:\r |
6838 | fprintf(f, "<anchor:%p> ", node);\r | |
6839 | switch (ANCHOR_(node)->type) {\r | |
b26691c4 LG |
6840 | case ANCR_BEGIN_BUF: fputs("begin buf", f); break;\r |
6841 | case ANCR_END_BUF: fputs("end buf", f); break;\r | |
6842 | case ANCR_BEGIN_LINE: fputs("begin line", f); break;\r | |
6843 | case ANCR_END_LINE: fputs("end line", f); break;\r | |
6844 | case ANCR_SEMI_END_BUF: fputs("semi end buf", f); break;\r | |
6845 | case ANCR_BEGIN_POSITION: fputs("begin position", f); break;\r | |
6846 | \r | |
6847 | case ANCR_WORD_BOUNDARY: fputs("word boundary", f); break;\r | |
6848 | case ANCR_NO_WORD_BOUNDARY: fputs("not word boundary", f); break;\r | |
14b0e578 | 6849 | #ifdef USE_WORD_BEGIN_END\r |
b26691c4 LG |
6850 | case ANCR_WORD_BEGIN: fputs("word begin", f); break;\r |
6851 | case ANCR_WORD_END: fputs("word end", f); break;\r | |
14b0e578 | 6852 | #endif\r |
b26691c4 LG |
6853 | case ANCR_TEXT_SEGMENT_BOUNDARY:\r |
6854 | fputs("text-segment boundary", f); break;\r | |
6855 | case ANCR_NO_TEXT_SEGMENT_BOUNDARY:\r | |
6856 | fputs("no text-segment boundary", f); break;\r | |
6857 | case ANCR_PREC_READ:\r | |
b602265d DG |
6858 | fprintf(f, "prec read\n");\r |
6859 | print_indent_tree(f, NODE_BODY(node), indent + add);\r | |
6860 | break;\r | |
b26691c4 | 6861 | case ANCR_PREC_READ_NOT:\r |
b602265d DG |
6862 | fprintf(f, "prec read not\n");\r |
6863 | print_indent_tree(f, NODE_BODY(node), indent + add);\r | |
6864 | break;\r | |
b26691c4 | 6865 | case ANCR_LOOK_BEHIND:\r |
b602265d DG |
6866 | fprintf(f, "look behind\n");\r |
6867 | print_indent_tree(f, NODE_BODY(node), indent + add);\r | |
6868 | break;\r | |
b26691c4 | 6869 | case ANCR_LOOK_BEHIND_NOT:\r |
b602265d DG |
6870 | fprintf(f, "look behind not\n");\r |
6871 | print_indent_tree(f, NODE_BODY(node), indent + add);\r | |
6872 | break;\r | |
14b0e578 CS |
6873 | \r |
6874 | default:\r | |
6875 | fprintf(f, "ERROR: undefined anchor type.\n");\r | |
6876 | break;\r | |
6877 | }\r | |
6878 | break;\r | |
6879 | \r | |
b602265d | 6880 | case NODE_BACKREF:\r |
14b0e578 CS |
6881 | {\r |
6882 | int* p;\r | |
b602265d | 6883 | BackRefNode* br = BACKREF_(node);\r |
14b0e578 | 6884 | p = BACKREFS_P(br);\r |
b602265d | 6885 | fprintf(f, "<backref%s:%p>", NODE_IS_CHECKER(node) ? "-checker" : "", node);\r |
14b0e578 | 6886 | for (i = 0; i < br->back_num; i++) {\r |
b602265d DG |
6887 | if (i > 0) fputs(", ", f);\r |
6888 | fprintf(f, "%d", p[i]);\r | |
14b0e578 CS |
6889 | }\r |
6890 | }\r | |
6891 | break;\r | |
6892 | \r | |
b602265d DG |
6893 | #ifdef USE_CALL\r |
6894 | case NODE_CALL:\r | |
14b0e578 | 6895 | {\r |
b602265d DG |
6896 | CallNode* cn = CALL_(node);\r |
6897 | fprintf(f, "<call:%p>", node);\r | |
14b0e578 CS |
6898 | p_string(f, cn->name_end - cn->name, cn->name);\r |
6899 | }\r | |
6900 | break;\r | |
6901 | #endif\r | |
6902 | \r | |
b602265d DG |
6903 | case NODE_QUANT:\r |
6904 | fprintf(f, "<quantifier:%p>{%d,%d}%s\n", node,\r | |
6905 | QUANT_(node)->lower, QUANT_(node)->upper,\r | |
6906 | (QUANT_(node)->greedy ? "" : "?"));\r | |
6907 | print_indent_tree(f, NODE_BODY(node), indent + add);\r | |
14b0e578 CS |
6908 | break;\r |
6909 | \r | |
b26691c4 LG |
6910 | case NODE_BAG:\r |
6911 | fprintf(f, "<bag:%p> ", node);\r | |
6912 | switch (BAG_(node)->type) {\r | |
6913 | case BAG_OPTION:\r | |
6914 | fprintf(f, "option:%d", BAG_(node)->o.options);\r | |
14b0e578 | 6915 | break;\r |
b26691c4 LG |
6916 | case BAG_MEMORY:\r |
6917 | fprintf(f, "memory:%d", BAG_(node)->m.regnum);\r | |
14b0e578 | 6918 | break;\r |
b26691c4 | 6919 | case BAG_STOP_BACKTRACK:\r |
14b0e578 CS |
6920 | fprintf(f, "stop-bt");\r |
6921 | break;\r | |
b26691c4 LG |
6922 | case BAG_IF_ELSE:\r |
6923 | fprintf(f, "if-else");\r | |
14b0e578 CS |
6924 | break;\r |
6925 | }\r | |
6926 | fprintf(f, "\n");\r | |
b602265d DG |
6927 | print_indent_tree(f, NODE_BODY(node), indent + add);\r |
6928 | break;\r | |
6929 | \r | |
6930 | case NODE_GIMMICK:\r | |
6931 | fprintf(f, "<gimmick:%p> ", node);\r | |
6932 | switch (GIMMICK_(node)->type) {\r | |
6933 | case GIMMICK_FAIL:\r | |
6934 | fprintf(f, "fail");\r | |
6935 | break;\r | |
b602265d DG |
6936 | case GIMMICK_SAVE:\r |
6937 | fprintf(f, "save:%d:%d", GIMMICK_(node)->detail_type, GIMMICK_(node)->id);\r | |
6938 | break;\r | |
6939 | case GIMMICK_UPDATE_VAR:\r | |
6940 | fprintf(f, "update_var:%d:%d", GIMMICK_(node)->detail_type, GIMMICK_(node)->id);\r | |
6941 | break;\r | |
6942 | #ifdef USE_CALLOUT\r | |
6943 | case GIMMICK_CALLOUT:\r | |
6944 | switch (GIMMICK_(node)->detail_type) {\r | |
6945 | case ONIG_CALLOUT_OF_CONTENTS:\r | |
6946 | fprintf(f, "callout:contents:%d", GIMMICK_(node)->num);\r | |
6947 | break;\r | |
6948 | case ONIG_CALLOUT_OF_NAME:\r | |
6949 | fprintf(f, "callout:name:%d:%d", GIMMICK_(node)->id, GIMMICK_(node)->num);\r | |
6950 | break;\r | |
6951 | }\r | |
6952 | #endif\r | |
6953 | }\r | |
14b0e578 CS |
6954 | break;\r |
6955 | \r | |
6956 | default:\r | |
b602265d | 6957 | fprintf(f, "print_indent_tree: undefined node type %d\n", NODE_TYPE(node));\r |
14b0e578 CS |
6958 | break;\r |
6959 | }\r | |
6960 | \r | |
b602265d | 6961 | if (type != NODE_LIST && type != NODE_ALT && type != NODE_QUANT &&\r |
b26691c4 | 6962 | type != NODE_BAG)\r |
14b0e578 CS |
6963 | fprintf(f, "\n");\r |
6964 | fflush(f);\r | |
6965 | }\r | |
14b0e578 | 6966 | \r |
14b0e578 CS |
6967 | static void\r |
6968 | print_tree(FILE* f, Node* node)\r | |
6969 | {\r | |
6970 | print_indent_tree(f, node, 0);\r | |
6971 | }\r | |
6972 | #endif\r |