Annotation of embedaddon/php/ext/mbstring/oniguruma/regint.h, revision 1.1.1.1
1.1 misho 1: #ifndef REGINT_H
2: #define REGINT_H
3: /**********************************************************************
4: regint.h - Oniguruma (regular expression library)
5: **********************************************************************/
6: /*-
7: * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
8: * All rights reserved.
9: *
10: * Redistribution and use in source and binary forms, with or without
11: * modification, are permitted provided that the following conditions
12: * are met:
13: * 1. Redistributions of source code must retain the above copyright
14: * notice, this list of conditions and the following disclaimer.
15: * 2. Redistributions in binary form must reproduce the above copyright
16: * notice, this list of conditions and the following disclaimer in the
17: * documentation and/or other materials provided with the distribution.
18: *
19: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29: * SUCH DAMAGE.
30: */
31:
32: /* for debug */
33: /* #define ONIG_DEBUG_PARSE_TREE */
34: /* #define ONIG_DEBUG_COMPILE */
35: /* #define ONIG_DEBUG_SEARCH */
36: /* #define ONIG_DEBUG_MATCH */
37: /* #define ONIG_DONT_OPTIMIZE */
38:
39: /* for byte-code statistical data. */
40: /* #define ONIG_DEBUG_STATISTICS */
41:
42: #if defined(ONIG_DEBUG_PARSE_TREE) || defined(ONIG_DEBUG_MATCH) || \
43: defined(ONIG_DEBUG_SEARCH) || defined(ONIG_DEBUG_COMPILE) || \
44: defined(ONIG_DEBUG_STATISTICS)
45: #ifndef ONIG_DEBUG
46: #define ONIG_DEBUG
47: #endif
48: #endif
49:
50: #if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
51: (defined(__ppc__) && defined(__APPLE__)) || \
52: defined(__x86_64) || defined(__x86_64__) || \
53: defined(__mc68020__)
54: #define PLATFORM_UNALIGNED_WORD_ACCESS
55: #endif
56:
57: /* config */
58: /* spec. config */
59: /* #define USE_UNICODE_FULL_RANGE_CTYPE */ /* --> move to regenc.h */
60: #define USE_NAMED_GROUP
61: #define USE_SUBEXP_CALL
62: #define USE_INFINITE_REPEAT_MONOMANIAC_MEM_STATUS_CHECK /* /(?:()|())*\2/ */
63: #define USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE /* /\n$/ =~ "\n" */
64: #define USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
65: /* #define USE_RECOMPILE_API */
66: /* treat \r\n as line terminator.
67: !!! NO SUPPORT !!!
68: use this configuration on your own responsibility */
69: /* #define USE_CRNL_AS_LINE_TERMINATOR */
70:
71: /* internal config */
72: #define USE_RECYCLE_NODE
73: #define USE_OP_PUSH_OR_JUMP_EXACT
74: #define USE_QUANTIFIER_PEEK_NEXT
75: #define USE_ST_HASH_TABLE
76: #define USE_SHARED_CCLASS_TABLE
77:
78: #define INIT_MATCH_STACK_SIZE 160
79: #define DEFAULT_MATCH_STACK_LIMIT_SIZE 0 /* unlimited */
80:
81: /* interface to external system */
82: #ifdef NOT_RUBY /* given from Makefile */
83: #include "config.h"
84: #define USE_BACKREF_AT_LEVEL
85: #define USE_CAPTURE_HISTORY
86: #define USE_VARIABLE_META_CHARS
87: #define USE_WORD_BEGIN_END /* "\<": word-begin, "\>": word-end */
88: #define USE_POSIX_REGION_OPTION /* needed for POSIX API support */
89: #define USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
90: /* #define USE_COMBINATION_EXPLOSION_CHECK */ /* (X*)* */
91: /* #define USE_MULTI_THREAD_SYSTEM */
92: #define THREAD_SYSTEM_INIT /* depend on thread system */
93: #define THREAD_SYSTEM_END /* depend on thread system */
94: #define THREAD_ATOMIC_START /* depend on thread system */
95: #define THREAD_ATOMIC_END /* depend on thread system */
96: #define THREAD_PASS /* depend on thread system */
97: #define xmalloc malloc
98: #define xrealloc realloc
99: #define xcalloc calloc
100: #define xfree free
101: #else
102: #include "ruby.h"
103: #include "rubysig.h" /* for DEFER_INTS, ENABLE_INTS */
104:
105: #define USE_COMBINATION_EXPLOSION_CHECK /* (X*)* */
106: #define USE_MULTI_THREAD_SYSTEM
107: #define THREAD_SYSTEM_INIT
108: #define THREAD_SYSTEM_END
109: #define THREAD_ATOMIC_START DEFER_INTS
110: #define THREAD_ATOMIC_END ENABLE_INTS
111: #define THREAD_PASS rb_thread_schedule()
112:
113: #define DEFAULT_WARN_FUNCTION onig_rb_warn
114: #define DEFAULT_VERB_WARN_FUNCTION onig_rb_warning
115:
116: #endif /* else NOT_RUBY */
117:
118: #define STATE_CHECK_STRING_THRESHOLD_LEN 7
119: #define STATE_CHECK_BUFF_MAX_SIZE 0x4000
120:
121: #define THREAD_PASS_LIMIT_COUNT 8
122: #define xmemset memset
123: #define xmemcpy memcpy
124: #define xmemmove memmove
125: #if defined(_WIN32) && !defined(__GNUC__)
126: #define xalloca _alloca
127: #if _MSC_VER < 1500
128: #ifndef vsnprintf
129: #define vsnprintf _vsnprintf
130: #endif
131: #endif
132: #else
133: #define xalloca alloca
134: #endif
135:
136: #if defined(USE_RECOMPILE_API) && defined(USE_MULTI_THREAD_SYSTEM)
137: #define ONIG_STATE_INC(reg) (reg)->state++
138: #define ONIG_STATE_DEC(reg) (reg)->state--
139:
140: #define ONIG_STATE_INC_THREAD(reg) do {\
141: THREAD_ATOMIC_START;\
142: (reg)->state++;\
143: THREAD_ATOMIC_END;\
144: } while(0)
145: #define ONIG_STATE_DEC_THREAD(reg) do {\
146: THREAD_ATOMIC_START;\
147: (reg)->state--;\
148: THREAD_ATOMIC_END;\
149: } while(0)
150: #else
151: #define ONIG_STATE_INC(reg) /* Nothing */
152: #define ONIG_STATE_DEC(reg) /* Nothing */
153: #define ONIG_STATE_INC_THREAD(reg) /* Nothing */
154: #define ONIG_STATE_DEC_THREAD(reg) /* Nothing */
155: #endif /* USE_RECOMPILE_API && USE_MULTI_THREAD_SYSTEM */
156:
157:
158: #define onig_st_is_member st_is_member
159:
160: #ifdef NOT_RUBY
161:
162: #define st_init_table onig_st_init_table
163: #define st_init_table_with_size onig_st_init_table_with_size
164: #define st_init_numtable onig_st_init_numtable
165: #define st_init_numtable_with_size onig_st_init_numtable_with_size
166: #define st_init_strtable onig_st_init_strtable
167: #define st_init_strtable_with_size onig_st_init_strtable_with_size
168: #define st_init_strend_table_with_size onig_st_init_strend_table_with_size
169: #define st_delete onig_st_delete
170: #define st_delete_safe onig_st_delete_safe
171: #define st_insert onig_st_insert
172: #define st_insert_strend onig_st_insert_strend
173: #define st_lookup onig_st_lookup
174: #define st_lookup_strend onig_st_lookup_strend
175: #define st_foreach onig_st_foreach
176: #define st_add_direct onig_st_add_direct
177: #define st_add_direct_strend onig_st_add_direct_strend
178: #define st_free_table onig_st_free_table
179: #define st_cleanup_safe onig_st_cleanup_safe
180: #define st_copy onig_st_copy
181: #define st_nothing_key_clone onig_st_nothing_key_clone
182: #define st_nothing_key_free onig_st_nothing_key_free
183:
184: #else /* NOT_RUBY */
185:
186: #define onig_st_init_table st_init_table
187: #define onig_st_init_table_with_size st_init_table_with_size
188: #define onig_st_init_numtable st_init_numtable
189: #define onig_st_init_numtable_with_size st_init_numtable_with_size
190: #define onig_st_init_strtable st_init_strtable
191: #define onig_st_init_strtable_with_size st_init_strtable_with_size
192: #define onig_st_init_strend_table_with_size st_init_strend_table_with_size
193: #define onig_st_delete st_delete
194: #define onig_st_delete_safe st_delete_safe
195: #define onig_st_insert st_insert
196: #define onig_st_insert_strend st_insert_strend
197: #define onig_st_lookup st_lookup
198: #define onig_st_lookup_strend st_lookup_strend
199: #define onig_st_foreach st_foreach
200: #define onig_st_add_direct st_add_direct
201: #define onig_st_add_direct_strend st_add_direct_strend
202: #define onig_st_free_table st_free_table
203: #define onig_st_cleanup_safe st_cleanup_safe
204: #define onig_st_copy st_copy
205: #define onig_st_nothing_key_clone st_nothing_key_clone
206: #define onig_st_nothing_key_free st_nothing_key_free
207:
208: #endif /* NOT_RUBY */
209:
210:
211: #ifdef HAVE_STDLIB_H
212: #include <stdlib.h>
213: #endif
214:
215: #if defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
216: #include <alloca.h>
217: #endif
218:
219: #ifdef HAVE_STRING_H
220: # include <string.h>
221: #else
222: # include <strings.h>
223: #endif
224:
225: #include <ctype.h>
226: #ifdef HAVE_SYS_TYPES_H
227: #ifndef __BORLANDC__
228: #include <sys/types.h>
229: #endif
230: #endif
231:
232: #ifdef __BORLANDC__
233: #include <malloc.h>
234: #endif
235:
236: #ifdef ONIG_DEBUG
237: # include <stdio.h>
238: #endif
239:
240: #include "regenc.h"
241: #include "oniguruma.h"
242:
243: #ifdef MIN
244: #undef MIN
245: #endif
246: #ifdef MAX
247: #undef MAX
248: #endif
249: #define MIN(a,b) (((a)>(b))?(b):(a))
250: #define MAX(a,b) (((a)<(b))?(b):(a))
251:
252: #define IS_NULL(p) (((void*)(p)) == (void*)0)
253: #define IS_NOT_NULL(p) (((void*)(p)) != (void*)0)
254: #define CHECK_NULL_RETURN(p) if (IS_NULL(p)) return NULL
255: #define CHECK_NULL_RETURN_VAL(p,val) if (IS_NULL(p)) return (val)
256: #define NULL_UCHARP ((UChar* )0)
257:
258: #ifndef PLATFORM_UNALIGNED_WORD_ACCESS
259: /* sizeof(OnigCodePoint) */
260: #define WORD_ALIGNMENT_SIZE SIZEOF_LONG
261:
262: #define GET_ALIGNMENT_PAD_SIZE(addr,pad_size) do {\
263: (pad_size) = WORD_ALIGNMENT_SIZE \
264: - ((unsigned int )(addr) % WORD_ALIGNMENT_SIZE);\
265: if ((pad_size) == WORD_ALIGNMENT_SIZE) (pad_size) = 0;\
266: } while (0)
267:
268: #define ALIGNMENT_RIGHT(addr) do {\
269: (addr) += (WORD_ALIGNMENT_SIZE - 1);\
270: (addr) -= ((unsigned int )(addr) % WORD_ALIGNMENT_SIZE);\
271: } while (0)
272:
273:
274: #define B_SHIFT 8
275: #define B_MASK 0xff
276:
277: #define SERIALIZE_2BYTE_INT(i,p) do {\
278: *(p) = ((i) >> B_SHIFT) & B_MASK;\
279: *((p)+1) = (i) & B_MASK;\
280: } while (0)
281:
282: #define SERIALIZE_4BYTE_INT(i,p) do {\
283: *(p) = ((i) >> B_SHIFT*3) & B_MASK;\
284: *((p)+1) = ((i) >> B_SHIFT*2) & B_MASK;\
285: *((p)+2) = ((i) >> B_SHIFT ) & B_MASK;\
286: *((p)+3) = (i) & B_MASK;\
287: } while (0)
288:
289: #define SERIALIZE_8BYTE_INT(i,p) do {\
290: *(p) = ((i) >> B_SHIFT*7) & B_MASK;\
291: *((p)+1) = ((i) >> B_SHIFT*6) & B_MASK;\
292: *((p)+2) = ((i) >> B_SHIFT*5) & B_MASK;\
293: *((p)+3) = ((i) >> B_SHIFT*4) & B_MASK;\
294: *((p)+4) = ((i) >> B_SHIFT*3) & B_MASK;\
295: *((p)+5) = ((i) >> B_SHIFT*2) & B_MASK;\
296: *((p)+6) = ((i) >> B_SHIFT ) & B_MASK;\
297: *((p)+7) = (i) & B_MASK;\
298: } while (0)
299:
300: #define GET_2BYTE_INT_INC(type,i,p) do {\
301: (i) = (type )(((unsigned int )(*(p)) << B_SHIFT) | (unsigned int )((p)[1]));\
302: (p) += 2;\
303: } while (0)
304:
305: #define GET_4BYTE_INT_INC(type,i,p) do {\
306: (i) = (type )(((unsigned int )((p)[0]) << B_SHIFT*3) | \
307: ((unsigned int )((p)[1]) << B_SHIFT*2) | \
308: ((unsigned int )((p)[2]) << B_SHIFT ) | \
309: ((unsigned int )((p)[3]) )); \
310: (p) += 4;\
311: } while (0)
312:
313: #define GET_8BYTE_INT_INC(type,i,p) do {\
314: (i) = (type )(((unsigned long )((p)[0]) << B_SHIFT*7) | \
315: ((unsigned long )((p)[1]) << B_SHIFT*6) | \
316: ((unsigned long )((p)[2]) << B_SHIFT*5) | \
317: ((unsigned long )((p)[3]) << B_SHIFT*4) | \
318: ((unsigned long )((p)[4]) << B_SHIFT*3) | \
319: ((unsigned long )((p)[5]) << B_SHIFT*2) | \
320: ((unsigned long )((p)[6]) << B_SHIFT ) | \
321: ((unsigned long )((p)[7]) )); \
322: (p) += 8;\
323: } while (0)
324:
325: #if SIZEOF_SHORT == 2
326: #define GET_SHORT_INC(i,p) GET_2BYTE_INT_INC(short,i,p)
327: #define SERIALIZE_SHORT(i,p) SERIALIZE_2BYTE_INT(i,p)
328: #elif SIZEOF_SHORT == 4
329: #define GET_SHORT_INC(i,p) GET_4BYTE_INT_INC(short,i,p)
330: #define SERIALIZE_SHORT(i,p) SERIALIZE_4BYTE_INT(i,p)
331: #elif SIZEOF_SHORT == 8
332: #define GET_SHORT_INC(i,p) GET_8BYTE_INT_INC(short,i,p)
333: #define SERIALIZE_SHORT(i,p) SERIALIZE_8BYTE_INT(i,p)
334: #endif
335:
336: #if SIZEOF_INT == 2
337: #define GET_INT_INC(i,p) GET_2BYTE_INT_INC(int,i,p)
338: #define GET_UINT_INC(i,p) GET_2BYTE_INT_INC(unsigned,i,p)
339: #define SERIALIZE_INT(i,p) SERIALIZE_2BYTE_INT(i,p)
340: #define SERIALIZE_UINT(i,p) SERIALIZE_2BYTE_INT(i,p)
341: #elif SIZEOF_INT == 4
342: #define GET_INT_INC(i,p) GET_4BYTE_INT_INC(int,i,p)
343: #define GET_UINT_INC(i,p) GET_4BYTE_INT_INC(unsigned,i,p)
344: #define SERIALIZE_INT(i,p) SERIALIZE_4BYTE_INT(i,p)
345: #define SERIALIZE_UINT(i,p) SERIALIZE_4BYTE_INT(i,p)
346: #elif SIZEOF_INT == 8
347: #define GET_INT_INC(i,p) GET_8BYTE_INT_INC(int,i,p)
348: #define GET_UINT_INC(i,p) GET_8BYTE_INT_INC(unsigned,i,p)
349: #define SERIALIZE_INT(i,p) SERIALIZE_8BYTE_INT(i,p)
350: #define SERIALIZE_UINT(i,p) SERIALIZE_8BYTE_INT(i,p)
351: #endif
352:
353: #endif /* PLATFORM_UNALIGNED_WORD_ACCESS */
354:
355: /* stack pop level */
356: #define STACK_POP_LEVEL_FREE 0
357: #define STACK_POP_LEVEL_MEM_START 1
358: #define STACK_POP_LEVEL_ALL 2
359:
360: /* optimize flags */
361: #define ONIG_OPTIMIZE_NONE 0
362: #define ONIG_OPTIMIZE_EXACT 1 /* Slow Search */
363: #define ONIG_OPTIMIZE_EXACT_BM 2 /* Boyer Moore Search */
364: #define ONIG_OPTIMIZE_EXACT_BM_NOT_REV 3 /* BM (but not simple match) */
365: #define ONIG_OPTIMIZE_EXACT_IC 4 /* Slow Search (ignore case) */
366: #define ONIG_OPTIMIZE_MAP 5 /* char map */
367:
368: /* bit status */
369: typedef unsigned int BitStatusType;
370:
371: #define BIT_STATUS_BITS_NUM (sizeof(BitStatusType) * 8)
372: #define BIT_STATUS_CLEAR(stats) (stats) = 0
373: #define BIT_STATUS_ON_ALL(stats) (stats) = ~((BitStatusType )0)
374: #define BIT_STATUS_AT(stats,n) \
375: ((n) < BIT_STATUS_BITS_NUM ? ((stats) & (1 << n)) : ((stats) & 1))
376:
377: #define BIT_STATUS_ON_AT(stats,n) do {\
378: if ((n) < BIT_STATUS_BITS_NUM)\
379: (stats) |= (1 << (n));\
380: else\
381: (stats) |= 1;\
382: } while (0)
383:
384: #define BIT_STATUS_ON_AT_SIMPLE(stats,n) do {\
385: if ((n) < BIT_STATUS_BITS_NUM)\
386: (stats) |= (1 << (n));\
387: } while (0)
388:
389:
390: #define INT_MAX_LIMIT ((1UL << (SIZEOF_INT * 8 - 1)) - 1)
391:
392: #define DIGITVAL(code) ((code) - '0')
393: #define ODIGITVAL(code) DIGITVAL(code)
394: #define XDIGITVAL(enc,code) \
395: (ONIGENC_IS_CODE_DIGIT(enc,code) ? DIGITVAL(code) \
396: : (ONIGENC_IS_CODE_UPPER(enc,code) ? (code) - 'A' + 10 : (code) - 'a' + 10))
397:
398: #define IS_SINGLELINE(option) ((option) & ONIG_OPTION_SINGLELINE)
399: #define IS_MULTILINE(option) ((option) & ONIG_OPTION_MULTILINE)
400: #define IS_IGNORECASE(option) ((option) & ONIG_OPTION_IGNORECASE)
401: #define IS_EXTEND(option) ((option) & ONIG_OPTION_EXTEND)
402: #define IS_FIND_LONGEST(option) ((option) & ONIG_OPTION_FIND_LONGEST)
403: #define IS_FIND_NOT_EMPTY(option) ((option) & ONIG_OPTION_FIND_NOT_EMPTY)
404: #define IS_POSIXLINE(option) (IS_SINGLELINE(option) && IS_MULTILINE(option))
405: #define IS_FIND_CONDITION(option) ((option) & \
406: (ONIG_OPTION_FIND_LONGEST | ONIG_OPTION_FIND_NOT_EMPTY))
407: #define IS_NOTBOL(option) ((option) & ONIG_OPTION_NOTBOL)
408: #define IS_NOTEOL(option) ((option) & ONIG_OPTION_NOTEOL)
409: #define IS_POSIX_REGION(option) ((option) & ONIG_OPTION_POSIX_REGION)
410:
411: /* OP_SET_OPTION is required for these options.
412: #define IS_DYNAMIC_OPTION(option) \
413: (((option) & (ONIG_OPTION_MULTILINE | ONIG_OPTION_IGNORECASE)) != 0)
414: */
415: /* ignore-case and multibyte status are included in compiled code. */
416: #define IS_DYNAMIC_OPTION(option) 0
417:
418: #define REPEAT_INFINITE -1
419: #define IS_REPEAT_INFINITE(n) ((n) == REPEAT_INFINITE)
420:
421: /* bitset */
422: #define BITS_PER_BYTE 8
423: #define SINGLE_BYTE_SIZE (1 << BITS_PER_BYTE)
424: #define BITS_IN_ROOM (sizeof(Bits) * BITS_PER_BYTE)
425: #define BITSET_SIZE (SINGLE_BYTE_SIZE / BITS_IN_ROOM)
426:
427: #ifdef PLATFORM_UNALIGNED_WORD_ACCESS
428: typedef unsigned int Bits;
429: #else
430: typedef unsigned char Bits;
431: #endif
432: typedef Bits BitSet[BITSET_SIZE];
433: typedef Bits* BitSetRef;
434:
435: #define SIZE_BITSET sizeof(BitSet)
436:
437: #define BITSET_CLEAR(bs) do {\
438: int i;\
439: for (i = 0; i < BITSET_SIZE; i++) { (bs)[i] = 0; }\
440: } while (0)
441:
442: #define BS_ROOM(bs,pos) (bs)[pos / BITS_IN_ROOM]
443: #define BS_BIT(pos) (1 << (pos % BITS_IN_ROOM))
444:
445: #define BITSET_AT(bs, pos) (BS_ROOM(bs,pos) & BS_BIT(pos))
446: #define BITSET_SET_BIT(bs, pos) BS_ROOM(bs,pos) |= BS_BIT(pos)
447: #define BITSET_CLEAR_BIT(bs, pos) BS_ROOM(bs,pos) &= ~(BS_BIT(pos))
448: #define BITSET_INVERT_BIT(bs, pos) BS_ROOM(bs,pos) ^= BS_BIT(pos)
449:
450: /* bytes buffer */
451: typedef struct _BBuf {
452: UChar* p;
453: unsigned int used;
454: unsigned int alloc;
455: } BBuf;
456:
457: #define BBUF_INIT(buf,size) onig_bbuf_init((BBuf* )(buf), (size))
458:
459: #define BBUF_SIZE_INC(buf,inc) do{\
460: (buf)->alloc += (inc);\
461: (buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
462: if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
463: } while (0)
464:
465: #define BBUF_EXPAND(buf,low) do{\
466: do { (buf)->alloc *= 2; } while ((buf)->alloc < (unsigned int )low);\
467: (buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
468: if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
469: } while (0)
470:
471: #define BBUF_ENSURE_SIZE(buf,size) do{\
472: unsigned int new_alloc = (buf)->alloc;\
473: while (new_alloc < (unsigned int )(size)) { new_alloc *= 2; }\
474: if ((buf)->alloc != new_alloc) {\
475: (buf)->p = (UChar* )xrealloc((buf)->p, new_alloc);\
476: if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
477: (buf)->alloc = new_alloc;\
478: }\
479: } while (0)
480:
481: #define BBUF_WRITE(buf,pos,bytes,n) do{\
482: int used = (pos) + (n);\
483: if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
484: xmemcpy((buf)->p + (pos), (bytes), (n));\
485: if ((buf)->used < (unsigned int )used) (buf)->used = used;\
486: } while (0)
487:
488: #define BBUF_WRITE1(buf,pos,byte) do{\
489: int used = (pos) + 1;\
490: if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
491: (buf)->p[(pos)] = (byte);\
492: if ((buf)->used < (unsigned int )used) (buf)->used = used;\
493: } while (0)
494:
495: #define BBUF_ADD(buf,bytes,n) BBUF_WRITE((buf),(buf)->used,(bytes),(n))
496: #define BBUF_ADD1(buf,byte) BBUF_WRITE1((buf),(buf)->used,(byte))
497: #define BBUF_GET_ADD_ADDRESS(buf) ((buf)->p + (buf)->used)
498: #define BBUF_GET_OFFSET_POS(buf) ((buf)->used)
499:
500: /* from < to */
501: #define BBUF_MOVE_RIGHT(buf,from,to,n) do {\
502: if ((unsigned int )((to)+(n)) > (buf)->alloc) BBUF_EXPAND((buf),(to) + (n));\
503: xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
504: if ((unsigned int )((to)+(n)) > (buf)->used) (buf)->used = (to) + (n);\
505: } while (0)
506:
507: /* from > to */
508: #define BBUF_MOVE_LEFT(buf,from,to,n) do {\
509: xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
510: } while (0)
511:
512: /* from > to */
513: #define BBUF_MOVE_LEFT_REDUCE(buf,from,to) do {\
514: xmemmove((buf)->p + (to), (buf)->p + (from), (buf)->used - (from));\
515: (buf)->used -= (from - to);\
516: } while (0)
517:
518: #define BBUF_INSERT(buf,pos,bytes,n) do {\
519: if (pos >= (buf)->used) {\
520: BBUF_WRITE(buf,pos,bytes,n);\
521: }\
522: else {\
523: BBUF_MOVE_RIGHT((buf),(pos),(pos) + (n),((buf)->used - (pos)));\
524: xmemcpy((buf)->p + (pos), (bytes), (n));\
525: }\
526: } while (0)
527:
528: #define BBUF_GET_BYTE(buf, pos) (buf)->p[(pos)]
529:
530:
531: #define ANCHOR_BEGIN_BUF (1<<0)
532: #define ANCHOR_BEGIN_LINE (1<<1)
533: #define ANCHOR_BEGIN_POSITION (1<<2)
534: #define ANCHOR_END_BUF (1<<3)
535: #define ANCHOR_SEMI_END_BUF (1<<4)
536: #define ANCHOR_END_LINE (1<<5)
537:
538: #define ANCHOR_WORD_BOUND (1<<6)
539: #define ANCHOR_NOT_WORD_BOUND (1<<7)
540: #define ANCHOR_WORD_BEGIN (1<<8)
541: #define ANCHOR_WORD_END (1<<9)
542: #define ANCHOR_PREC_READ (1<<10)
543: #define ANCHOR_PREC_READ_NOT (1<<11)
544: #define ANCHOR_LOOK_BEHIND (1<<12)
545: #define ANCHOR_LOOK_BEHIND_NOT (1<<13)
546:
547: #define ANCHOR_ANYCHAR_STAR (1<<14) /* ".*" optimize info */
548: #define ANCHOR_ANYCHAR_STAR_ML (1<<15) /* ".*" optimize info (multi-line) */
549:
550: /* operation code */
551: enum OpCode {
552: OP_FINISH = 0, /* matching process terminator (no more alternative) */
553: OP_END = 1, /* pattern code terminator (success end) */
554:
555: OP_EXACT1 = 2, /* single byte, N = 1 */
556: OP_EXACT2, /* single byte, N = 2 */
557: OP_EXACT3, /* single byte, N = 3 */
558: OP_EXACT4, /* single byte, N = 4 */
559: OP_EXACT5, /* single byte, N = 5 */
560: OP_EXACTN, /* single byte */
561: OP_EXACTMB2N1, /* mb-length = 2 N = 1 */
562: OP_EXACTMB2N2, /* mb-length = 2 N = 2 */
563: OP_EXACTMB2N3, /* mb-length = 2 N = 3 */
564: OP_EXACTMB2N, /* mb-length = 2 */
565: OP_EXACTMB3N, /* mb-length = 3 */
566: OP_EXACTMBN, /* other length */
567:
568: OP_EXACT1_IC, /* single byte, N = 1, ignore case */
569: OP_EXACTN_IC, /* single byte, ignore case */
570:
571: OP_CCLASS,
572: OP_CCLASS_MB,
573: OP_CCLASS_MIX,
574: OP_CCLASS_NOT,
575: OP_CCLASS_MB_NOT,
576: OP_CCLASS_MIX_NOT,
577: OP_CCLASS_NODE, /* pointer to CClassNode node */
578:
579: OP_ANYCHAR, /* "." */
580: OP_ANYCHAR_ML, /* "." multi-line */
581: OP_ANYCHAR_STAR, /* ".*" */
582: OP_ANYCHAR_ML_STAR, /* ".*" multi-line */
583: OP_ANYCHAR_STAR_PEEK_NEXT,
584: OP_ANYCHAR_ML_STAR_PEEK_NEXT,
585:
586: OP_WORD,
587: OP_NOT_WORD,
588: OP_WORD_BOUND,
589: OP_NOT_WORD_BOUND,
590: OP_WORD_BEGIN,
591: OP_WORD_END,
592:
593: OP_BEGIN_BUF,
594: OP_END_BUF,
595: OP_BEGIN_LINE,
596: OP_END_LINE,
597: OP_SEMI_END_BUF,
598: OP_BEGIN_POSITION,
599:
600: OP_BACKREF1,
601: OP_BACKREF2,
602: OP_BACKREFN,
603: OP_BACKREFN_IC,
604: OP_BACKREF_MULTI,
605: OP_BACKREF_MULTI_IC,
606: OP_BACKREF_AT_LEVEL, /* \k<xxx+n>, \k<xxx-n> */
607:
608: OP_MEMORY_START,
609: OP_MEMORY_START_PUSH, /* push back-tracker to stack */
610: OP_MEMORY_END_PUSH, /* push back-tracker to stack */
611: OP_MEMORY_END_PUSH_REC, /* push back-tracker to stack */
612: OP_MEMORY_END,
613: OP_MEMORY_END_REC, /* push marker to stack */
614:
615: OP_SET_OPTION_PUSH, /* set option and push recover option */
616: OP_SET_OPTION, /* set option */
617:
618: OP_FAIL, /* pop stack and move */
619: OP_JUMP,
620: OP_PUSH,
621: OP_POP,
622: OP_PUSH_OR_JUMP_EXACT1, /* if match exact then push, else jump. */
623: OP_PUSH_IF_PEEK_NEXT, /* if match exact then push, else none. */
624: OP_REPEAT, /* {n,m} */
625: OP_REPEAT_NG, /* {n,m}? (non greedy) */
626: OP_REPEAT_INC,
627: OP_REPEAT_INC_NG, /* non greedy */
628: OP_REPEAT_INC_SG, /* search and get in stack */
629: OP_REPEAT_INC_NG_SG, /* search and get in stack (non greedy) */
630: OP_NULL_CHECK_START, /* null loop checker start */
631: OP_NULL_CHECK_END, /* null loop checker end */
632: OP_NULL_CHECK_END_MEMST, /* null loop checker end (with capture status) */
633: OP_NULL_CHECK_END_MEMST_PUSH, /* with capture status and push check-end */
634:
635: OP_PUSH_POS, /* (?=...) start */
636: OP_POP_POS, /* (?=...) end */
637: OP_PUSH_POS_NOT, /* (?!...) start */
638: OP_FAIL_POS, /* (?!...) end */
639: OP_PUSH_STOP_BT, /* (?>...) start */
640: OP_POP_STOP_BT, /* (?>...) end */
641: OP_LOOK_BEHIND, /* (?<=...) start (no needs end opcode) */
642: OP_PUSH_LOOK_BEHIND_NOT, /* (?<!...) start */
643: OP_FAIL_LOOK_BEHIND_NOT, /* (?<!...) end */
644:
645: OP_CALL, /* \g<name> */
646: OP_RETURN,
647:
648: OP_STATE_CHECK_PUSH, /* combination explosion check and push */
649: OP_STATE_CHECK_PUSH_OR_JUMP, /* check ok -> push, else jump */
650: OP_STATE_CHECK, /* check only */
651: OP_STATE_CHECK_ANYCHAR_STAR,
652: OP_STATE_CHECK_ANYCHAR_ML_STAR
653: };
654:
655: typedef int RelAddrType;
656: typedef int AbsAddrType;
657: typedef int LengthType;
658: typedef int RepeatNumType;
659: typedef short int MemNumType;
660: typedef short int StateCheckNumType;
661: typedef void* PointerType;
662:
663: #define SIZE_OPCODE 1
664: #define SIZE_RELADDR sizeof(RelAddrType)
665: #define SIZE_ABSADDR sizeof(AbsAddrType)
666: #define SIZE_LENGTH sizeof(LengthType)
667: #define SIZE_MEMNUM sizeof(MemNumType)
668: #define SIZE_STATE_CHECK_NUM sizeof(StateCheckNumType)
669: #define SIZE_REPEATNUM sizeof(RepeatNumType)
670: #define SIZE_OPTION sizeof(OnigOptionType)
671: #define SIZE_CODE_POINT sizeof(OnigCodePoint)
672: #define SIZE_POINTER sizeof(PointerType)
673:
674:
675: #ifdef PLATFORM_UNALIGNED_WORD_ACCESS
676:
677: #define PLATFORM_GET_INC(val,p,type) do{\
678: val = *(type* )p;\
679: (p) += sizeof(type);\
680: } while(0)
681:
682: #else
683:
684: #define PLATFORM_GET_INC(val,p,type) do{\
685: xmemcpy(&val, (p), sizeof(type));\
686: (p) += sizeof(type);\
687: } while(0)
688:
689: #endif /* PLATFORM_UNALIGNED_WORD_ACCESS */
690:
691: #define GET_RELADDR_INC(addr,p) PLATFORM_GET_INC(addr, p, RelAddrType)
692: #define GET_ABSADDR_INC(addr,p) PLATFORM_GET_INC(addr, p, AbsAddrType)
693: #define GET_LENGTH_INC(len,p) PLATFORM_GET_INC(len, p, LengthType)
694: #define GET_MEMNUM_INC(num,p) PLATFORM_GET_INC(num, p, MemNumType)
695: #define GET_REPEATNUM_INC(num,p) PLATFORM_GET_INC(num, p, RepeatNumType)
696: #define GET_OPTION_INC(option,p) PLATFORM_GET_INC(option, p, OnigOptionType)
697: #define GET_POINTER_INC(ptr,p) PLATFORM_GET_INC(ptr, p, PointerType)
698: #define GET_STATE_CHECK_NUM_INC(num,p) PLATFORM_GET_INC(num, p, StateCheckNumType)
699:
700: /* code point's address must be aligned address. */
701: #define GET_CODE_POINT(code,p) code = *((OnigCodePoint* )(p))
702: #define GET_BYTE_INC(byte,p) do{\
703: byte = *(p);\
704: (p)++;\
705: } while(0)
706:
707:
708: /* op-code + arg size */
709: #define SIZE_OP_ANYCHAR_STAR SIZE_OPCODE
710: #define SIZE_OP_ANYCHAR_STAR_PEEK_NEXT (SIZE_OPCODE + 1)
711: #define SIZE_OP_JUMP (SIZE_OPCODE + SIZE_RELADDR)
712: #define SIZE_OP_PUSH (SIZE_OPCODE + SIZE_RELADDR)
713: #define SIZE_OP_POP SIZE_OPCODE
714: #define SIZE_OP_PUSH_OR_JUMP_EXACT1 (SIZE_OPCODE + SIZE_RELADDR + 1)
715: #define SIZE_OP_PUSH_IF_PEEK_NEXT (SIZE_OPCODE + SIZE_RELADDR + 1)
716: #define SIZE_OP_REPEAT_INC (SIZE_OPCODE + SIZE_MEMNUM)
717: #define SIZE_OP_REPEAT_INC_NG (SIZE_OPCODE + SIZE_MEMNUM)
718: #define SIZE_OP_PUSH_POS SIZE_OPCODE
719: #define SIZE_OP_PUSH_POS_NOT (SIZE_OPCODE + SIZE_RELADDR)
720: #define SIZE_OP_POP_POS SIZE_OPCODE
721: #define SIZE_OP_FAIL_POS SIZE_OPCODE
722: #define SIZE_OP_SET_OPTION (SIZE_OPCODE + SIZE_OPTION)
723: #define SIZE_OP_SET_OPTION_PUSH (SIZE_OPCODE + SIZE_OPTION)
724: #define SIZE_OP_FAIL SIZE_OPCODE
725: #define SIZE_OP_MEMORY_START (SIZE_OPCODE + SIZE_MEMNUM)
726: #define SIZE_OP_MEMORY_START_PUSH (SIZE_OPCODE + SIZE_MEMNUM)
727: #define SIZE_OP_MEMORY_END_PUSH (SIZE_OPCODE + SIZE_MEMNUM)
728: #define SIZE_OP_MEMORY_END_PUSH_REC (SIZE_OPCODE + SIZE_MEMNUM)
729: #define SIZE_OP_MEMORY_END (SIZE_OPCODE + SIZE_MEMNUM)
730: #define SIZE_OP_MEMORY_END_REC (SIZE_OPCODE + SIZE_MEMNUM)
731: #define SIZE_OP_PUSH_STOP_BT SIZE_OPCODE
732: #define SIZE_OP_POP_STOP_BT SIZE_OPCODE
733: #define SIZE_OP_NULL_CHECK_START (SIZE_OPCODE + SIZE_MEMNUM)
734: #define SIZE_OP_NULL_CHECK_END (SIZE_OPCODE + SIZE_MEMNUM)
735: #define SIZE_OP_LOOK_BEHIND (SIZE_OPCODE + SIZE_LENGTH)
736: #define SIZE_OP_PUSH_LOOK_BEHIND_NOT (SIZE_OPCODE + SIZE_RELADDR + SIZE_LENGTH)
737: #define SIZE_OP_FAIL_LOOK_BEHIND_NOT SIZE_OPCODE
738: #define SIZE_OP_CALL (SIZE_OPCODE + SIZE_ABSADDR)
739: #define SIZE_OP_RETURN SIZE_OPCODE
740:
741: #ifdef USE_COMBINATION_EXPLOSION_CHECK
742: #define SIZE_OP_STATE_CHECK (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
743: #define SIZE_OP_STATE_CHECK_PUSH (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
744: #define SIZE_OP_STATE_CHECK_PUSH_OR_JUMP (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
745: #define SIZE_OP_STATE_CHECK_ANYCHAR_STAR (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
746: #endif
747:
748: #define MC_ESC(enc) (enc)->meta_char_table.esc
749: #define MC_ANYCHAR(enc) (enc)->meta_char_table.anychar
750: #define MC_ANYTIME(enc) (enc)->meta_char_table.anytime
751: #define MC_ZERO_OR_ONE_TIME(enc) (enc)->meta_char_table.zero_or_one_time
752: #define MC_ONE_OR_MORE_TIME(enc) (enc)->meta_char_table.one_or_more_time
753: #define MC_ANYCHAR_ANYTIME(enc) (enc)->meta_char_table.anychar_anytime
754:
755: #define IS_MC_ESC_CODE(code, enc, syn) \
756: ((code) == MC_ESC(enc) && \
757: !IS_SYNTAX_OP2((syn), ONIG_SYN_OP2_INEFFECTIVE_ESCAPE))
758:
759:
760: #define SYN_POSIX_COMMON_OP \
761: ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_POSIX_BRACKET | \
762: ONIG_SYN_OP_DECIMAL_BACKREF | \
763: ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_ASTERISK_ZERO_INF | \
764: ONIG_SYN_OP_LINE_ANCHOR | \
765: ONIG_SYN_OP_ESC_CONTROL_CHARS )
766:
767: #define SYN_GNU_REGEX_OP \
768: ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | \
769: ONIG_SYN_OP_POSIX_BRACKET | ONIG_SYN_OP_DECIMAL_BACKREF | \
770: ONIG_SYN_OP_BRACE_INTERVAL | ONIG_SYN_OP_LPAREN_SUBEXP | \
771: ONIG_SYN_OP_VBAR_ALT | \
772: ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF | \
773: ONIG_SYN_OP_QMARK_ZERO_ONE | \
774: ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR | ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR | \
775: ONIG_SYN_OP_ESC_W_WORD | \
776: ONIG_SYN_OP_ESC_B_WORD_BOUND | ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | \
777: ONIG_SYN_OP_ESC_S_WHITE_SPACE | ONIG_SYN_OP_ESC_D_DIGIT | \
778: ONIG_SYN_OP_LINE_ANCHOR )
779:
780: #define SYN_GNU_REGEX_BV \
781: ( ONIG_SYN_CONTEXT_INDEP_ANCHORS | ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | \
782: ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS | ONIG_SYN_ALLOW_INVALID_INTERVAL | \
783: ONIG_SYN_BACKSLASH_ESCAPE_IN_CC | ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
784:
785: /* cclass node */
786: #define FLAG_CCLASS_NOT 1
787: #define FLAG_CCLASS_SHARE (1<<1)
788:
789: #define CCLASS_SET_NOT(cc) (cc)->flags |= FLAG_CCLASS_NOT
790: #define CCLASS_CLEAR_NOT(cc) (cc)->flags &= ~FLAG_CCLASS_NOT
791: #define CCLASS_SET_SHARE(cc) (cc)->flags |= FLAG_CCLASS_SHARE
792: #define IS_CCLASS_NOT(cc) (((cc)->flags & FLAG_CCLASS_NOT) != 0)
793: #define IS_CCLASS_SHARE(cc) (((cc)->flags & FLAG_CCLASS_SHARE) != 0)
794:
795: typedef struct {
796: int flags;
797: BitSet bs;
798: BBuf* mbuf; /* multi-byte info or NULL */
799: } CClassNode;
800:
801:
802: #ifdef ONIG_DEBUG
803:
804: typedef struct {
805: short int opcode;
806: char* name;
807: short int arg_type;
808: } OnigOpInfoType;
809:
810: extern OnigOpInfoType OnigOpInfo[];
811:
812: extern void onig_print_compiled_byte_code P_((FILE* f, UChar* bp, UChar** nextp, OnigEncoding enc));
813:
814: #ifdef ONIG_DEBUG_STATISTICS
815: extern void onig_statistics_init P_((void));
816: extern void onig_print_statistics P_((FILE* f));
817: #endif
818: #endif
819:
820: extern UChar* onig_error_code_to_format P_((int code));
821: extern void onig_snprintf_with_pattern PV_((UChar buf[], int bufsize, OnigEncoding enc, UChar* pat, UChar* pat_end, const UChar *fmt, ...));
822: extern int onig_bbuf_init P_((BBuf* buf, int size));
823: extern int onig_alloc_init P_((regex_t** reg, OnigOptionType option, OnigAmbigType ambig_flag, OnigEncoding enc, OnigSyntaxType* syntax));
824: extern int onig_compile P_((regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigErrorInfo* einfo));
825: extern void onig_chain_reduce P_((regex_t* reg));
826: extern void onig_chain_link_add P_((regex_t* to, regex_t* add));
827: extern void onig_transfer P_((regex_t* to, regex_t* from));
828: extern int onig_is_code_in_cc P_((OnigEncoding enc, OnigCodePoint code, CClassNode* cc));
829:
830: #endif /* REGINT_H */
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