MdeModulePkg/Universal/RegularExpressionDxe/Oniguruma/regint.h

   1 #ifndef REGINT_H
   2 #define REGINT_H
   3 /**********************************************************************
   4   regint.h -  Oniguruma (regular expression library)
   5 **********************************************************************/
   6 /*-
   7  * Copyright (c) 2002-2013  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_NAMED_GROUP
  60 #define USE_SUBEXP_CALL
  61 #define USE_BACKREF_WITH_LEVEL        /* \k<name+n>, \k<name-n> */
  62 #define USE_MONOMANIAC_CHECK_CAPTURES_IN_ENDLESS_REPEAT  /* /(?:()|())*\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 /* !!! moved to regenc.h. */ /* #define USE_CRNL_AS_LINE_TERMINATOR */
  67
  68 /* internal config */
  69 #define USE_PARSE_TREE_NODE_RECYCLE
  70 #define USE_OP_PUSH_OR_JUMP_EXACT
  71 #define USE_QTFR_PEEK_NEXT
  72 #define USE_ST_LIBRARY
  73 #define USE_SHARED_CCLASS_TABLE
  74
  75 #define INIT_MATCH_STACK_SIZE                     160
  76 #define DEFAULT_MATCH_STACK_LIMIT_SIZE              0 /* unlimited */
  77
  78 #if defined(__GNUC__)
  79 #  define ARG_UNUSED  __attribute__ ((unused))
  80 #else
  81 #  define ARG_UNUSED
  82 #endif
  83
  84 /* */
  85 /* escape other system UChar definition */
  86 //#include "config.h"
  87 #ifdef ONIG_ESCAPE_UCHAR_COLLISION
  88 #undef ONIG_ESCAPE_UCHAR_COLLISION
  89 #endif
  90
  91 #define USE_WORD_BEGIN_END        /* "\<", "\>" */
  92 #define USE_CAPTURE_HISTORY
  93 #define USE_VARIABLE_META_CHARS
  94 #define USE_POSIX_API_REGION_OPTION
  95 #define USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
  96 /* #define USE_COMBINATION_EXPLOSION_CHECK */     /* (X*)* */
  97
  98 /* #define USE_MULTI_THREAD_SYSTEM */
  99 #define THREAD_SYSTEM_INIT      /* depend on thread system */
 100 #define THREAD_SYSTEM_END       /* depend on thread system */
 101 #define THREAD_ATOMIC_START     /* depend on thread system */
 102 #define THREAD_ATOMIC_END       /* depend on thread system */
 103 #define THREAD_PASS             /* depend on thread system */
 104 #define xmalloc     malloc
 105 #define xrealloc    realloc
 106 #define xcalloc     calloc
 107 #define xfree       free
 108
 109 #define CHECK_INTERRUPT_IN_MATCH_AT
 110
 111 #define st_init_table                  onig_st_init_table
 112 #define st_init_table_with_size        onig_st_init_table_with_size
 113 #define st_init_numtable               onig_st_init_numtable
 114 #define st_init_numtable_with_size     onig_st_init_numtable_with_size
 115 #define st_init_strtable               onig_st_init_strtable
 116 #define st_init_strtable_with_size     onig_st_init_strtable_with_size
 117 #define st_delete                      onig_st_delete
 118 #define st_delete_safe                 onig_st_delete_safe
 119 #define st_insert                      onig_st_insert
 120 #define st_lookup                      onig_st_lookup
 121 #define st_foreach                     onig_st_foreach
 122 #define st_add_direct                  onig_st_add_direct
 123 #define st_free_table                  onig_st_free_table
 124 #define st_cleanup_safe                onig_st_cleanup_safe
 125 #define st_copy                        onig_st_copy
 126 #define st_nothing_key_clone           onig_st_nothing_key_clone
 127 #define st_nothing_key_free            onig_st_nothing_key_free
 128 /* */
 129 #define onig_st_is_member              st_is_member
 130
 131 #define STATE_CHECK_STRING_THRESHOLD_LEN             7
 132 #define STATE_CHECK_BUFF_MAX_SIZE               0x4000
 133
 134 #define THREAD_PASS_LIMIT_COUNT     8
 135 //#define xmemset     memset
 136 //#define xmemcpy     memcpy
 137 //#define xmemmove    memmove
 138
 139 #if defined(_WIN32) && !defined(__GNUC__)
 140 #define xalloca     _alloca
 141 #define xvsnprintf  _vsnprintf
 142 #else
 143 #define xalloca     alloca
 144 #define xvsnprintf  vsnprintf
 145 #endif
 146
 147
 148 #if defined(USE_RECOMPILE_API) && defined(USE_MULTI_THREAD_SYSTEM)
 149 #define ONIG_STATE_INC(reg) (reg)->state++
 150 #define ONIG_STATE_DEC(reg) (reg)->state--
 151
 152 #define ONIG_STATE_INC_THREAD(reg) do {\
 153   THREAD_ATOMIC_START;\
 154   (reg)->state++;\
 155   THREAD_ATOMIC_END;\
 156 } while(0)
 157 #define ONIG_STATE_DEC_THREAD(reg) do {\
 158   THREAD_ATOMIC_START;\
 159   (reg)->state--;\
 160   THREAD_ATOMIC_END;\
 161 } while(0)
 162 #else
 163 #define ONIG_STATE_INC(reg)         /* Nothing */
 164 #define ONIG_STATE_DEC(reg)         /* Nothing */
 165 #define ONIG_STATE_INC_THREAD(reg)  /* Nothing */
 166 #define ONIG_STATE_DEC_THREAD(reg)  /* Nothing */
 167 #endif /* USE_RECOMPILE_API && USE_MULTI_THREAD_SYSTEM */
 168
 169 #if 0
 170 #ifdef HAVE_STDLIB_H
 171 #include <stdlib.h>
 172 #endif
 173
 174 #if defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
 175 #include <alloca.h>
 176 #endif
 177
 178 #ifdef HAVE_STRING_H
 179 # include <string.h>
 180 #else
 181 # include <strings.h>
 182 #endif
 183
 184 #include <ctype.h>
 185 #ifdef HAVE_SYS_TYPES_H
 186 #ifndef __BORLANDC__
 187 #include <sys/types.h>
 188 #endif
 189 #endif
 190
 191 #ifdef __BORLANDC__
 192 #include <malloc.h>
 193 #endif
 194
 195 #ifdef ONIG_DEBUG
 196 # include <stdio.h>
 197 #endif
 198 #endif
 199
 200 #include "regenc.h"
 201
 202 #ifdef MIN
 203 #undef MIN
 204 #endif
 205 #ifdef MAX
 206 #undef MAX
 207 #endif
 208 #define MIN(a,b) (((a)>(b))?(b):(a))
 209 #define MAX(a,b) (((a)<(b))?(b):(a))
 210
 211 #define IS_NULL(p)                    (((void*)(p)) == (void*)0)
 212 #define IS_NOT_NULL(p)                (((void*)(p)) != (void*)0)
 213 #define CHECK_NULL_RETURN(p)          if (IS_NULL(p)) return NULL
 214 #define CHECK_NULL_RETURN_MEMERR(p)   if (IS_NULL(p)) return ONIGERR_MEMORY
 215 #define NULL_UCHARP                   ((UChar* )0)
 216
 217 #ifdef PLATFORM_UNALIGNED_WORD_ACCESS
 218
 219 #define PLATFORM_GET_INC(val,p,type) do{\
 220   val  = *(type* )p;\
 221   (p) += sizeof(type);\
 222 } while(0)
 223
 224 #else
 225
 226 #define PLATFORM_GET_INC(val,p,type) do{\
 227   xmemcpy(&val, (p), sizeof(type));\
 228   (p) += sizeof(type);\
 229 } while(0)
 230
 231 /* sizeof(OnigCodePoint) */
 232 #define WORD_ALIGNMENT_SIZE     SIZEOF_LONG
 233
 234 #define GET_ALIGNMENT_PAD_SIZE(addr,pad_size) do {\
 235   (pad_size) = WORD_ALIGNMENT_SIZE \
 236                - ((unsigned int )(addr) % WORD_ALIGNMENT_SIZE);\
 237   if ((pad_size) == WORD_ALIGNMENT_SIZE) (pad_size) = 0;\
 238 } while (0)
 239
 240 #define ALIGNMENT_RIGHT(addr) do {\
 241   (addr) += (WORD_ALIGNMENT_SIZE - 1);\
 242   (addr) -= ((unsigned int )(addr) % WORD_ALIGNMENT_SIZE);\
 243 } while (0)
 244
 245 #endif /* PLATFORM_UNALIGNED_WORD_ACCESS */
 246
 247 /* stack pop level */
 248 #define STACK_POP_LEVEL_FREE        0
 249 #define STACK_POP_LEVEL_MEM_START   1
 250 #define STACK_POP_LEVEL_ALL         2
 251
 252 /* optimize flags */
 253 #define ONIG_OPTIMIZE_NONE              0
 254 #define ONIG_OPTIMIZE_EXACT             1   /* Slow Search */
 255 #define ONIG_OPTIMIZE_EXACT_BM          2   /* Boyer Moore Search */
 256 #define ONIG_OPTIMIZE_EXACT_BM_NOT_REV  3   /* BM   (but not simple match) */
 257 #define ONIG_OPTIMIZE_EXACT_IC          4   /* Slow Search (ignore case) */
 258 #define ONIG_OPTIMIZE_MAP               5   /* char map */
 259
 260 /* bit status */
 261 typedef unsigned int  BitStatusType;
 262
 263 #define BIT_STATUS_BITS_NUM          (sizeof(BitStatusType) * 8)
 264 #define BIT_STATUS_CLEAR(stats)      (stats) = 0
 265 #define BIT_STATUS_ON_ALL(stats)     (stats) = ~((BitStatusType )0)
 266 #define BIT_STATUS_AT(stats,n) \
 267   ((n) < (int )BIT_STATUS_BITS_NUM  ?  ((stats) & (1 << n)) : ((stats) & 1))
 268
 269 #define BIT_STATUS_ON_AT(stats,n) do {\
 270     if ((n) < (int )BIT_STATUS_BITS_NUM)        \
 271     (stats) |= (1 << (n));\
 272   else\
 273     (stats) |= 1;\
 274 } while (0)
 275
 276 #define BIT_STATUS_ON_AT_SIMPLE(stats,n) do {\
 277     if ((n) < (int )BIT_STATUS_BITS_NUM)\
 278     (stats) |= (1 << (n));\
 279 } while (0)
 280
 281
 282 #define INT_MAX_LIMIT           ((1UL << (SIZEOF_INT * 8 - 1)) - 1)
 283
 284 #define DIGITVAL(code)    ((code) - '0')
 285 #define ODIGITVAL(code)   DIGITVAL(code)
 286 #define XDIGITVAL(enc,code) \
 287   (ONIGENC_IS_CODE_DIGIT(enc,code) ? DIGITVAL(code) \
 288    : (ONIGENC_IS_CODE_UPPER(enc,code) ? (code) - 'A' + 10 : (code) - 'a' + 10))
 289
 290 #define IS_SINGLELINE(option)     ((option) & ONIG_OPTION_SINGLELINE)
 291 #define IS_MULTILINE(option)      ((option) & ONIG_OPTION_MULTILINE)
 292 #define IS_IGNORECASE(option)     ((option) & ONIG_OPTION_IGNORECASE)
 293 #define IS_EXTEND(option)         ((option) & ONIG_OPTION_EXTEND)
 294 #define IS_FIND_LONGEST(option)   ((option) & ONIG_OPTION_FIND_LONGEST)
 295 #define IS_FIND_NOT_EMPTY(option) ((option) & ONIG_OPTION_FIND_NOT_EMPTY)
 296 #define IS_FIND_CONDITION(option) ((option) & \
 297           (ONIG_OPTION_FIND_LONGEST | ONIG_OPTION_FIND_NOT_EMPTY))
 298 #define IS_NOTBOL(option)         ((option) & ONIG_OPTION_NOTBOL)
 299 #define IS_NOTEOL(option)         ((option) & ONIG_OPTION_NOTEOL)
 300 #define IS_POSIX_REGION(option)   ((option) & ONIG_OPTION_POSIX_REGION)
 301
 302 /* OP_SET_OPTION is required for these options.
 303 #define IS_DYNAMIC_OPTION(option) \
 304   (((option) & (ONIG_OPTION_MULTILINE | ONIG_OPTION_IGNORECASE)) != 0)
 305 */
 306 /* ignore-case and multibyte status are included in compiled code. */
 307 #define IS_DYNAMIC_OPTION(option)  0
 308
 309 #define DISABLE_CASE_FOLD_MULTI_CHAR(case_fold_flag) \
 310   ((case_fold_flag) & ~INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR)
 311
 312 #define REPEAT_INFINITE         -1
 313 #define IS_REPEAT_INFINITE(n)   ((n) == REPEAT_INFINITE)
 314
 315 /* bitset */
 316 #define BITS_PER_BYTE      8
 317 #define SINGLE_BYTE_SIZE   (1 << BITS_PER_BYTE)
 318 #define BITS_IN_ROOM       (sizeof(Bits) * BITS_PER_BYTE)
 319 #define BITSET_SIZE        (SINGLE_BYTE_SIZE / BITS_IN_ROOM)
 320
 321 #ifdef PLATFORM_UNALIGNED_WORD_ACCESS
 322 typedef unsigned int   Bits;
 323 #else
 324 typedef unsigned char  Bits;
 325 #endif
 326 typedef Bits           BitSet[BITSET_SIZE];
 327 typedef Bits*          BitSetRef;
 328
 329 #define SIZE_BITSET        sizeof(BitSet)
 330
 331 #define BITSET_CLEAR(bs) do {\
 332   int i;\
 333   for (i = 0; i < (int )BITSET_SIZE; i++) { (bs)[i] = 0; }      \
 334 } while (0)
 335
 336 #define BS_ROOM(bs,pos)            (bs)[pos / BITS_IN_ROOM]
 337 #define BS_BIT(pos)                (1 << (pos % BITS_IN_ROOM))
 338
 339 #define BITSET_AT(bs, pos)         (BS_ROOM(bs,pos) & BS_BIT(pos))
 340 #define BITSET_SET_BIT(bs, pos)     BS_ROOM(bs,pos) |= BS_BIT(pos)
 341 #define BITSET_CLEAR_BIT(bs, pos)   BS_ROOM(bs,pos) &= ~(BS_BIT(pos))
 342 #define BITSET_INVERT_BIT(bs, pos)  BS_ROOM(bs,pos) ^= BS_BIT(pos)
 343
 344 /* bytes buffer */
 345 typedef struct _BBuf {
 346   UChar* p;
 347   unsigned int used;
 348   unsigned int alloc;
 349 } BBuf;
 350
 351 #define BBUF_INIT(buf,size)    onig_bbuf_init((BBuf* )(buf), (size))
 352
 353 #define BBUF_SIZE_INC(buf,inc) do{\
 354   (buf)->alloc += (inc);\
 355   (buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
 356   if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
 357 } while (0)
 358
 359 #define BBUF_EXPAND(buf,low) do{\
 360   unsigned int OldSize_ = (buf)->alloc * sizeof((buf)->p[0]);\
 361   do { (buf)->alloc *= 2; } while ((buf)->alloc < (unsigned int )low);\
 362   (buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc, OldSize_);\
 363   if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
 364 } while (0)
 365
 366 #define BBUF_ENSURE_SIZE(buf,size) do{\
 367   unsigned int new_alloc = (buf)->alloc;\
 368   while (new_alloc < (unsigned int )(size)) { new_alloc *= 2; }\
 369   if ((buf)->alloc != new_alloc) {\
 370     (buf)->p = (UChar* )xrealloc((buf)->p, new_alloc, (buf)->alloc);\
 371     if (IS_NULL((buf)->p)) return(ONIGERR_MEMORY);\
 372     (buf)->alloc = new_alloc;\
 373   }\
 374 } while (0)
 375
 376 #define BBUF_WRITE(buf,pos,bytes,n) do{\
 377   int used = (pos) + (n);\
 378   if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
 379   xmemcpy((buf)->p + (pos), (bytes), (n));\
 380   if ((buf)->used < (unsigned int )used) (buf)->used = used;\
 381 } while (0)
 382
 383 #define BBUF_WRITE1(buf,pos,byte) do{\
 384   int used = (pos) + 1;\
 385   if ((buf)->alloc < (unsigned int )used) BBUF_EXPAND((buf),used);\
 386   (buf)->p[(pos)] = (byte);\
 387   if ((buf)->used < (unsigned int )used) (buf)->used = used;\
 388 } while (0)
 389
 390 #define BBUF_ADD(buf,bytes,n)       BBUF_WRITE((buf),(buf)->used,(bytes),(n))
 391 #define BBUF_ADD1(buf,byte)         BBUF_WRITE1((buf),(buf)->used,(byte))
 392 #define BBUF_GET_ADD_ADDRESS(buf)   ((buf)->p + (buf)->used)
 393 #define BBUF_GET_OFFSET_POS(buf)    ((buf)->used)
 394
 395 /* from < to */
 396 #define BBUF_MOVE_RIGHT(buf,from,to,n) do {\
 397   if ((unsigned int )((to)+(n)) > (buf)->alloc) BBUF_EXPAND((buf),(to) + (n));\
 398   xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
 399   if ((unsigned int )((to)+(n)) > (buf)->used) (buf)->used = (to) + (n);\
 400 } while (0)
 401
 402 /* from > to */
 403 #define BBUF_MOVE_LEFT(buf,from,to,n) do {\
 404   xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
 405 } while (0)
 406
 407 /* from > to */
 408 #define BBUF_MOVE_LEFT_REDUCE(buf,from,to) do {\
 409   xmemmove((buf)->p + (to), (buf)->p + (from), (buf)->used - (from));\
 410   (buf)->used -= (from - to);\
 411 } while (0)
 412
 413 #define BBUF_INSERT(buf,pos,bytes,n) do {\
 414   if (pos >= (buf)->used) {\
 415     BBUF_WRITE(buf,pos,bytes,n);\
 416   }\
 417   else {\
 418     BBUF_MOVE_RIGHT((buf),(pos),(pos) + (n),((buf)->used - (pos)));\
 419     xmemcpy((buf)->p + (pos), (bytes), (n));\
 420   }\
 421 } while (0)
 422
 423 #define BBUF_GET_BYTE(buf, pos) (buf)->p[(pos)]
 424
 425
 426 #define ANCHOR_BEGIN_BUF        (1<<0)
 427 #define ANCHOR_BEGIN_LINE       (1<<1)
 428 #define ANCHOR_BEGIN_POSITION   (1<<2)
 429 #define ANCHOR_END_BUF          (1<<3)
 430 #define ANCHOR_SEMI_END_BUF     (1<<4)
 431 #define ANCHOR_END_LINE         (1<<5)
 432
 433 #define ANCHOR_WORD_BOUND       (1<<6)
 434 #define ANCHOR_NOT_WORD_BOUND   (1<<7)
 435 #define ANCHOR_WORD_BEGIN       (1<<8)
 436 #define ANCHOR_WORD_END         (1<<9)
 437 #define ANCHOR_PREC_READ        (1<<10)
 438 #define ANCHOR_PREC_READ_NOT    (1<<11)
 439 #define ANCHOR_LOOK_BEHIND      (1<<12)
 440 #define ANCHOR_LOOK_BEHIND_NOT  (1<<13)
 441
 442 #define ANCHOR_ANYCHAR_STAR     (1<<14)   /* ".*" optimize info */
 443 #define ANCHOR_ANYCHAR_STAR_ML  (1<<15)   /* ".*" optimize info (multi-line) */
 444
 445 /* operation code */
 446 enum OpCode {
 447   OP_FINISH = 0,        /* matching process terminator (no more alternative) */
 448   OP_END    = 1,        /* pattern code terminator (success end) */
 449
 450   OP_EXACT1 = 2,        /* single byte, N = 1 */
 451   OP_EXACT2,            /* single byte, N = 2 */
 452   OP_EXACT3,            /* single byte, N = 3 */
 453   OP_EXACT4,            /* single byte, N = 4 */
 454   OP_EXACT5,            /* single byte, N = 5 */
 455   OP_EXACTN,            /* single byte */
 456   OP_EXACTMB2N1,        /* mb-length = 2 N = 1 */
 457   OP_EXACTMB2N2,        /* mb-length = 2 N = 2 */
 458   OP_EXACTMB2N3,        /* mb-length = 2 N = 3 */
 459   OP_EXACTMB2N,         /* mb-length = 2 */
 460   OP_EXACTMB3N,         /* mb-length = 3 */
 461   OP_EXACTMBN,          /* other length */
 462
 463   OP_EXACT1_IC,         /* single byte, N = 1, ignore case */
 464   OP_EXACTN_IC,         /* single byte,        ignore case */
 465
 466   OP_CCLASS,
 467   OP_CCLASS_MB,
 468   OP_CCLASS_MIX,
 469   OP_CCLASS_NOT,
 470   OP_CCLASS_MB_NOT,
 471   OP_CCLASS_MIX_NOT,
 472   OP_CCLASS_NODE,       /* pointer to CClassNode node */
 473
 474   OP_ANYCHAR,                 /* "."  */
 475   OP_ANYCHAR_ML,              /* "."  multi-line */
 476   OP_ANYCHAR_STAR,            /* ".*" */
 477   OP_ANYCHAR_ML_STAR,         /* ".*" multi-line */
 478   OP_ANYCHAR_STAR_PEEK_NEXT,
 479   OP_ANYCHAR_ML_STAR_PEEK_NEXT,
 480
 481   OP_WORD,
 482   OP_NOT_WORD,
 483   OP_WORD_BOUND,
 484   OP_NOT_WORD_BOUND,
 485   OP_WORD_BEGIN,
 486   OP_WORD_END,
 487
 488   OP_BEGIN_BUF,
 489   OP_END_BUF,
 490   OP_BEGIN_LINE,
 491   OP_END_LINE,
 492   OP_SEMI_END_BUF,
 493   OP_BEGIN_POSITION,
 494
 495   OP_BACKREF1,
 496   OP_BACKREF2,
 497   OP_BACKREFN,
 498   OP_BACKREFN_IC,
 499   OP_BACKREF_MULTI,
 500   OP_BACKREF_MULTI_IC,
 501   OP_BACKREF_WITH_LEVEL,    /* \k<xxx+n>, \k<xxx-n> */
 502
 503   OP_MEMORY_START,
 504   OP_MEMORY_START_PUSH,   /* push back-tracker to stack */
 505   OP_MEMORY_END_PUSH,     /* push back-tracker to stack */
 506   OP_MEMORY_END_PUSH_REC, /* push back-tracker to stack */
 507   OP_MEMORY_END,
 508   OP_MEMORY_END_REC,      /* push marker to stack */
 509
 510   OP_FAIL,               /* pop stack and move */
 511   OP_JUMP,
 512   OP_PUSH,
 513   OP_POP,
 514   OP_PUSH_OR_JUMP_EXACT1,  /* if match exact then push, else jump. */
 515   OP_PUSH_IF_PEEK_NEXT,    /* if match exact then push, else none. */
 516   OP_REPEAT,               /* {n,m} */
 517   OP_REPEAT_NG,            /* {n,m}? (non greedy) */
 518   OP_REPEAT_INC,
 519   OP_REPEAT_INC_NG,        /* non greedy */
 520   OP_REPEAT_INC_SG,        /* search and get in stack */
 521   OP_REPEAT_INC_NG_SG,     /* search and get in stack (non greedy) */
 522   OP_NULL_CHECK_START,     /* null loop checker start */
 523   OP_NULL_CHECK_END,       /* null loop checker end   */
 524   OP_NULL_CHECK_END_MEMST, /* null loop checker end (with capture status) */
 525   OP_NULL_CHECK_END_MEMST_PUSH, /* with capture status and push check-end */
 526
 527   OP_PUSH_POS,             /* (?=...)  start */
 528   OP_POP_POS,              /* (?=...)  end   */
 529   OP_PUSH_POS_NOT,         /* (?!...)  start */
 530   OP_FAIL_POS,             /* (?!...)  end   */
 531   OP_PUSH_STOP_BT,         /* (?>...)  start */
 532   OP_POP_STOP_BT,          /* (?>...)  end   */
 533   OP_LOOK_BEHIND,          /* (?<=...) start (no needs end opcode) */
 534   OP_PUSH_LOOK_BEHIND_NOT, /* (?<!...) start */
 535   OP_FAIL_LOOK_BEHIND_NOT, /* (?<!...) end   */
 536
 537   OP_CALL,                 /* \g<name> */
 538   OP_RETURN,
 539
 540   OP_STATE_CHECK_PUSH,         /* combination explosion check and push */
 541   OP_STATE_CHECK_PUSH_OR_JUMP, /* check ok -> push, else jump  */
 542   OP_STATE_CHECK,              /* check only */
 543   OP_STATE_CHECK_ANYCHAR_STAR,
 544   OP_STATE_CHECK_ANYCHAR_ML_STAR,
 545
 546   /* no need: IS_DYNAMIC_OPTION() == 0 */
 547   OP_SET_OPTION_PUSH,    /* set option and push recover option */
 548   OP_SET_OPTION          /* set option */
 549 };
 550
 551 typedef int RelAddrType;
 552 typedef int AbsAddrType;
 553 typedef int LengthType;
 554 typedef int RepeatNumType;
 555 typedef short int MemNumType;
 556 typedef short int StateCheckNumType;
 557 typedef void* PointerType;
 558
 559 #define SIZE_OPCODE           1
 560 #define SIZE_RELADDR          sizeof(RelAddrType)
 561 #define SIZE_ABSADDR          sizeof(AbsAddrType)
 562 #define SIZE_LENGTH           sizeof(LengthType)
 563 #define SIZE_MEMNUM           sizeof(MemNumType)
 564 #define SIZE_STATE_CHECK_NUM  sizeof(StateCheckNumType)
 565 #define SIZE_REPEATNUM        sizeof(RepeatNumType)
 566 #define SIZE_OPTION           sizeof(OnigOptionType)
 567 #define SIZE_CODE_POINT       sizeof(OnigCodePoint)
 568 #define SIZE_POINTER          sizeof(PointerType)
 569
 570
 571 #define GET_RELADDR_INC(addr,p)    PLATFORM_GET_INC(addr,   p, RelAddrType)
 572 #define GET_ABSADDR_INC(addr,p)    PLATFORM_GET_INC(addr,   p, AbsAddrType)
 573 #define GET_LENGTH_INC(len,p)      PLATFORM_GET_INC(len,    p, LengthType)
 574 #define GET_MEMNUM_INC(num,p)      PLATFORM_GET_INC(num,    p, MemNumType)
 575 #define GET_REPEATNUM_INC(num,p)   PLATFORM_GET_INC(num,    p, RepeatNumType)
 576 #define GET_OPTION_INC(option,p)   PLATFORM_GET_INC(option, p, OnigOptionType)
 577 #define GET_POINTER_INC(ptr,p)     PLATFORM_GET_INC(ptr,    p, PointerType)
 578 #define GET_STATE_CHECK_NUM_INC(num,p)  PLATFORM_GET_INC(num, p, StateCheckNumType)
 579
 580 /* code point's address must be aligned address. */
 581 #define GET_CODE_POINT(code,p)   code = *((OnigCodePoint* )(p))
 582 #define GET_BYTE_INC(byte,p) do{\
 583   byte = *(p);\
 584   (p)++;\
 585 } while(0)
 586
 587
 588 /* op-code + arg size */
 589 #define SIZE_OP_ANYCHAR_STAR            SIZE_OPCODE
 590 #define SIZE_OP_ANYCHAR_STAR_PEEK_NEXT (SIZE_OPCODE + 1)
 591 #define SIZE_OP_JUMP                   (SIZE_OPCODE + SIZE_RELADDR)
 592 #define SIZE_OP_PUSH                   (SIZE_OPCODE + SIZE_RELADDR)
 593 #define SIZE_OP_POP                     SIZE_OPCODE
 594 #define SIZE_OP_PUSH_OR_JUMP_EXACT1    (SIZE_OPCODE + SIZE_RELADDR + 1)
 595 #define SIZE_OP_PUSH_IF_PEEK_NEXT      (SIZE_OPCODE + SIZE_RELADDR + 1)
 596 #define SIZE_OP_REPEAT_INC             (SIZE_OPCODE + SIZE_MEMNUM)
 597 #define SIZE_OP_REPEAT_INC_NG          (SIZE_OPCODE + SIZE_MEMNUM)
 598 #define SIZE_OP_PUSH_POS                SIZE_OPCODE
 599 #define SIZE_OP_PUSH_POS_NOT           (SIZE_OPCODE + SIZE_RELADDR)
 600 #define SIZE_OP_POP_POS                 SIZE_OPCODE
 601 #define SIZE_OP_FAIL_POS                SIZE_OPCODE
 602 #define SIZE_OP_SET_OPTION             (SIZE_OPCODE + SIZE_OPTION)
 603 #define SIZE_OP_SET_OPTION_PUSH        (SIZE_OPCODE + SIZE_OPTION)
 604 #define SIZE_OP_FAIL                    SIZE_OPCODE
 605 #define SIZE_OP_MEMORY_START           (SIZE_OPCODE + SIZE_MEMNUM)
 606 #define SIZE_OP_MEMORY_START_PUSH      (SIZE_OPCODE + SIZE_MEMNUM)
 607 #define SIZE_OP_MEMORY_END_PUSH        (SIZE_OPCODE + SIZE_MEMNUM)
 608 #define SIZE_OP_MEMORY_END_PUSH_REC    (SIZE_OPCODE + SIZE_MEMNUM)
 609 #define SIZE_OP_MEMORY_END             (SIZE_OPCODE + SIZE_MEMNUM)
 610 #define SIZE_OP_MEMORY_END_REC         (SIZE_OPCODE + SIZE_MEMNUM)
 611 #define SIZE_OP_PUSH_STOP_BT            SIZE_OPCODE
 612 #define SIZE_OP_POP_STOP_BT             SIZE_OPCODE
 613 #define SIZE_OP_NULL_CHECK_START       (SIZE_OPCODE + SIZE_MEMNUM)
 614 #define SIZE_OP_NULL_CHECK_END         (SIZE_OPCODE + SIZE_MEMNUM)
 615 #define SIZE_OP_LOOK_BEHIND            (SIZE_OPCODE + SIZE_LENGTH)
 616 #define SIZE_OP_PUSH_LOOK_BEHIND_NOT   (SIZE_OPCODE + SIZE_RELADDR + SIZE_LENGTH)
 617 #define SIZE_OP_FAIL_LOOK_BEHIND_NOT    SIZE_OPCODE
 618 #define SIZE_OP_CALL                   (SIZE_OPCODE + SIZE_ABSADDR)
 619 #define SIZE_OP_RETURN                  SIZE_OPCODE
 620
 621 #ifdef USE_COMBINATION_EXPLOSION_CHECK
 622 #define SIZE_OP_STATE_CHECK            (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
 623 #define SIZE_OP_STATE_CHECK_PUSH       (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
 624 #define SIZE_OP_STATE_CHECK_PUSH_OR_JUMP (SIZE_OPCODE + SIZE_STATE_CHECK_NUM + SIZE_RELADDR)
 625 #define SIZE_OP_STATE_CHECK_ANYCHAR_STAR (SIZE_OPCODE + SIZE_STATE_CHECK_NUM)
 626 #endif
 627
 628 #define MC_ESC(syn)               (syn)->meta_char_table.esc
 629 #define MC_ANYCHAR(syn)           (syn)->meta_char_table.anychar
 630 #define MC_ANYTIME(syn)           (syn)->meta_char_table.anytime
 631 #define MC_ZERO_OR_ONE_TIME(syn)  (syn)->meta_char_table.zero_or_one_time
 632 #define MC_ONE_OR_MORE_TIME(syn)  (syn)->meta_char_table.one_or_more_time
 633 #define MC_ANYCHAR_ANYTIME(syn)   (syn)->meta_char_table.anychar_anytime
 634
 635 #define IS_MC_ESC_CODE(code, syn) \
 636   ((code) == MC_ESC(syn) && \
 637    !IS_SYNTAX_OP2((syn), ONIG_SYN_OP2_INEFFECTIVE_ESCAPE))
 638
 639
 640 #define SYN_POSIX_COMMON_OP \
 641  ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_POSIX_BRACKET | \
 642    ONIG_SYN_OP_DECIMAL_BACKREF | \
 643    ONIG_SYN_OP_BRACKET_CC | ONIG_SYN_OP_ASTERISK_ZERO_INF | \
 644    ONIG_SYN_OP_LINE_ANCHOR | \
 645    ONIG_SYN_OP_ESC_CONTROL_CHARS )
 646
 647 #define SYN_GNU_REGEX_OP \
 648   ( ONIG_SYN_OP_DOT_ANYCHAR | ONIG_SYN_OP_BRACKET_CC | \
 649     ONIG_SYN_OP_POSIX_BRACKET | ONIG_SYN_OP_DECIMAL_BACKREF | \
 650     ONIG_SYN_OP_BRACE_INTERVAL | ONIG_SYN_OP_LPAREN_SUBEXP | \
 651     ONIG_SYN_OP_VBAR_ALT | \
 652     ONIG_SYN_OP_ASTERISK_ZERO_INF | ONIG_SYN_OP_PLUS_ONE_INF | \
 653     ONIG_SYN_OP_QMARK_ZERO_ONE | \
 654     ONIG_SYN_OP_ESC_AZ_BUF_ANCHOR | ONIG_SYN_OP_ESC_CAPITAL_G_BEGIN_ANCHOR | \
 655     ONIG_SYN_OP_ESC_W_WORD | \
 656     ONIG_SYN_OP_ESC_B_WORD_BOUND | ONIG_SYN_OP_ESC_LTGT_WORD_BEGIN_END | \
 657     ONIG_SYN_OP_ESC_S_WHITE_SPACE | ONIG_SYN_OP_ESC_D_DIGIT | \
 658     ONIG_SYN_OP_LINE_ANCHOR )
 659
 660 #define SYN_GNU_REGEX_BV \
 661   ( ONIG_SYN_CONTEXT_INDEP_ANCHORS | ONIG_SYN_CONTEXT_INDEP_REPEAT_OPS | \
 662     ONIG_SYN_CONTEXT_INVALID_REPEAT_OPS | ONIG_SYN_ALLOW_INVALID_INTERVAL | \
 663     ONIG_SYN_BACKSLASH_ESCAPE_IN_CC | ONIG_SYN_ALLOW_DOUBLE_RANGE_OP_IN_CC )
 664
 665
 666 #define NCCLASS_FLAGS(cc)           ((cc)->flags)
 667 #define NCCLASS_FLAG_SET(cc,flag)    (NCCLASS_FLAGS(cc) |= (flag))
 668 #define NCCLASS_FLAG_CLEAR(cc,flag)  (NCCLASS_FLAGS(cc) &= ~(flag))
 669 #define IS_NCCLASS_FLAG_ON(cc,flag) ((NCCLASS_FLAGS(cc) & (flag)) != 0)
 670
 671 /* cclass node */
 672 #define FLAG_NCCLASS_NOT           (1<<0)
 673 #define FLAG_NCCLASS_SHARE         (1<<1)
 674
 675 #define NCCLASS_SET_NOT(nd)     NCCLASS_FLAG_SET(nd, FLAG_NCCLASS_NOT)
 676 #define NCCLASS_SET_SHARE(nd)   NCCLASS_FLAG_SET(nd, FLAG_NCCLASS_SHARE)
 677 #define NCCLASS_CLEAR_NOT(nd)   NCCLASS_FLAG_CLEAR(nd, FLAG_NCCLASS_NOT)
 678 #define IS_NCCLASS_NOT(nd)      IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_NOT)
 679 #define IS_NCCLASS_SHARE(nd)    IS_NCCLASS_FLAG_ON(nd, FLAG_NCCLASS_SHARE)
 680
 681 typedef struct {
 682   int type;
 683   /* struct _Node* next; */
 684   /* unsigned int flags; */
 685 } NodeBase;
 686
 687 typedef struct {
 688   NodeBase base;
 689   unsigned int flags;
 690   BitSet bs;
 691   BBuf*  mbuf;   /* multi-byte info or NULL */
 692 } CClassNode;
 693
 694 typedef long OnigStackIndex;
 695
 696 typedef struct _OnigStackType {
 697   unsigned int type;
 698   union {
 699     struct {
 700       UChar *pcode;      /* byte code position */
 701       UChar *pstr;       /* string position */
 702       UChar *pstr_prev;  /* previous char position of pstr */
 703 #ifdef USE_COMBINATION_EXPLOSION_CHECK
 704       unsigned int state_check;
 705 #endif
 706     } state;
 707     struct {
 708       int   count;       /* for OP_REPEAT_INC, OP_REPEAT_INC_NG */
 709       UChar *pcode;      /* byte code position (head of repeated target) */
 710       int   num;         /* repeat id */
 711     } repeat;
 712     struct {
 713       OnigStackIndex si;     /* index of stack */
 714     } repeat_inc;
 715     struct {
 716       int num;           /* memory num */
 717       UChar *pstr;       /* start/end position */
 718       /* Following information is setted, if this stack type is MEM-START */
 719       OnigStackIndex start;  /* prev. info (for backtrack  "(...)*" ) */
 720       OnigStackIndex end;    /* prev. info (for backtrack  "(...)*" ) */
 721     } mem;
 722     struct {
 723       int num;           /* null check id */
 724       UChar *pstr;       /* start position */
 725     } null_check;
 726 #ifdef USE_SUBEXP_CALL
 727     struct {
 728       UChar *ret_addr;   /* byte code position */
 729       int    num;        /* null check id */
 730       UChar *pstr;       /* string position */
 731     } call_frame;
 732 #endif
 733   } u;
 734 } OnigStackType;
 735
 736 typedef struct {
 737   void* stack_p;
 738   int   stack_n;
 739   OnigOptionType options;
 740   OnigRegion*    region;
 741   const UChar* start;   /* search start position (for \G: BEGIN_POSITION) */
 742 #ifdef USE_FIND_LONGEST_SEARCH_ALL_OF_RANGE
 743   int    best_len;      /* for ONIG_OPTION_FIND_LONGEST */
 744   UChar* best_s;
 745 #endif
 746 #ifdef USE_COMBINATION_EXPLOSION_CHECK
 747   void* state_check_buff;
 748   int   state_check_buff_size;
 749 #endif
 750 } OnigMatchArg;
 751
 752
 753 #define IS_CODE_SB_WORD(enc,code) \
 754   (ONIGENC_IS_CODE_ASCII(code) && ONIGENC_IS_CODE_WORD(enc,code))
 755
 756 typedef struct OnigEndCallListItem {
 757   struct OnigEndCallListItem* next;
 758   void (*func)(void);
 759 } OnigEndCallListItemType;
 760
 761 extern void onig_add_end_call(void (*func)(void));
 762
 763
 764 #ifdef ONIG_DEBUG
 765
 766 typedef struct {
 767   short int opcode;
 768   char*     name;
 769   short int arg_type;
 770 } OnigOpInfoType;
 771
 772 extern OnigOpInfoType OnigOpInfo[];
 773
 774
 775 extern void onig_print_compiled_byte_code P_((FILE* f, UChar* bp, UChar** nextp, OnigEncoding enc));
 776
 777 #ifdef ONIG_DEBUG_STATISTICS
 778 extern void onig_statistics_init P_((void));
 779 extern void onig_print_statistics P_((FILE* f));
 780 #endif
 781 #endif
 782
 783 extern UChar* onig_error_code_to_format P_((int code));
 784 extern void  onig_snprintf_with_pattern PV_((UChar buf[], int bufsize, OnigEncoding enc, UChar* pat, UChar* pat_end, const UChar *fmt, ...));
 785 extern int  onig_bbuf_init P_((BBuf* buf, int size));
 786 extern int  onig_compile P_((regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigErrorInfo* einfo));
 787 extern void onig_chain_reduce P_((regex_t* reg));
 788 extern void onig_chain_link_add P_((regex_t* to, regex_t* add));
 789 extern void onig_transfer P_((regex_t* to, regex_t* from));
 790 extern int  onig_is_code_in_cc P_((OnigEncoding enc, OnigCodePoint code, CClassNode* cc));
 791 extern int  onig_is_code_in_cc_len P_((int enclen, OnigCodePoint code, CClassNode* cc));
 792
 793 /* strend hash */
 794 typedef void hash_table_type;
 795 typedef unsigned long hash_data_type;
 796
 797 extern hash_table_type* onig_st_init_strend_table_with_size P_((int size));
 798 extern int onig_st_lookup_strend P_((hash_table_type* table, const UChar* str_key, const UChar* end_key, hash_data_type *value));
 799 extern int onig_st_insert_strend P_((hash_table_type* table, const UChar* str_key, const UChar* end_key, hash_data_type value));
 800
 801 /* encoding property management */
 802 #define PROPERTY_LIST_ADD_PROP(Name, CR) \
 803   r = onigenc_property_list_add_property((UChar* )Name, CR,\
 804               &PropertyNameTable, &PropertyList, &PropertyListNum,\
 805               &PropertyListSize);\
 806   if (r != 0) goto end
 807
 808 #define PROPERTY_LIST_INIT_CHECK \
 809   if (PropertyInited == 0) {\
 810     int r = onigenc_property_list_init(init_property_list);\
 811     if (r != 0) return r;\
 812   }
 813
 814 extern int onigenc_property_list_add_property P_((UChar* name, const OnigCodePoint* prop, hash_table_type **table, const OnigCodePoint*** plist, int *pnum, int *psize));
 815
 816 typedef int (*ONIGENC_INIT_PROPERTY_LIST_FUNC_TYPE)(void);
 817
 818 extern int onigenc_property_list_init P_((ONIGENC_INIT_PROPERTY_LIST_FUNC_TYPE));
 819
 820 #endif /* REGINT_H */