mirror of
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791 lines
26 KiB
C
791 lines
26 KiB
C
/**********************************************************************
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regint.h - Oniguruma (regular expression library)
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Copyright (C) 2002-2003 K.Kosako (kosako@sofnec.co.jp)
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**********************************************************************/
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#ifndef REGINT_H
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#define REGINT_H
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/* for debug */
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/* #define REG_DEBUG_PARSE_TREE */
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/* #define REG_DEBUG_COMPILE */
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/* #define REG_DEBUG_SEARCH */
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/* #define REG_DEBUG_MATCH */
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/* #define REG_DONT_OPTIMIZE */
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/* for byte-code statistical data. */
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/* #define REG_DEBUG_STATISTICS */
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#if defined(REG_DEBUG_PARSE_TREE) || defined(REG_DEBUG_MATCH) || \
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defined(REG_DEBUG_COMPILE) || defined(REG_DEBUG_STATISTICS)
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#ifndef REG_DEBUG
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#define REG_DEBUG
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#endif
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#endif
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#if defined(__i386) || defined(__i386__) || defined(_M_IX86) || \
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(defined(__ppc__) && defined(__APPLE__)) || \
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defined(__mc68020__)
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#define UNALIGNED_WORD_ACCESS
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#endif
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/* config */
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#define USE_NAMED_SUBEXP
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#define USE_SUBEXP_CALL
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#define USE_OP_PUSH_OR_JUMP_EXACT
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#define USE_QUALIFIER_PEEK_NEXT
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#define USE_RECYCLE_NODE
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#define USE_NEWLINE_AT_END_OF_STRING_HAS_EMPTY_LINE /* /\n$/ =~ "\n" */
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/* #define USE_SBMB_CLASS */
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#define INIT_MATCH_STACK_SIZE 160
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#define MATCH_STACK_LIMIT_SIZE 200000
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/* interface to external system */
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#ifdef NOT_RUBY /* gived from Makefile */
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#include "config.h"
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#define USE_VARIABLE_SYNTAX
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#define USE_WORD_BEGIN_END /* "\<": word-begin, "\>": word-end */
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#define DEFAULT_TRANSTABLE_EXIST 1
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#define THREAD_ATOMIC_START /* depend on thread system */
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#define THREAD_ATOMIC_END /* depend on thread system */
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#define THREAD_PASS /* depend on thread system */
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#define xmalloc malloc
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#define xrealloc realloc
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#define xfree free
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#else
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#include "ruby.h"
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#include "version.h"
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#include "rubysig.h" /* for DEFER_INTS, ENABLE_INTS */
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#define USE_WARNING_REDUNDANT_NESTED_REPEAT_OPERATOR
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#define THREAD_ATOMIC_START DEFER_INTS
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#define THREAD_ATOMIC_END ENABLE_INTS
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#define THREAD_PASS /* I want to use rb_thread_pass() */
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#define WARNING rb_warn
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#define VERB_WARNING rb_warning
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#if defined(RUBY_VERSION_MAJOR)
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#if RUBY_VERSION_MAJOR > 1 || \
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(RUBY_VERSION_MAJOR == 1 && \
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defined(RUBY_VERSION_MINOR) && RUBY_VERSION_MINOR >= 8)
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#define USE_ST_HASH_TABLE
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#endif
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#endif
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#endif /* else NOT_RUBY */
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#define THREAD_PASS_LIMIT_COUNT 10
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#define xmemset memset
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#define xmemcpy memcpy
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#define xmemmove memmove
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#if defined(_WIN32) && !defined(__CYGWIN__)
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#define xalloca _alloca
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#define vsnprintf _vsnprintf
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#else
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#define xalloca alloca
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#endif
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#ifdef HAVE_STDLIB_H
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#include <stdlib.h>
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#endif
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#if defined(HAVE_ALLOCA_H) && !defined(__GNUC__)
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#include <alloca.h>
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#endif
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#ifdef HAVE_STRING_H
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# include <string.h>
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#else
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# include <strings.h>
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#endif
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#include <ctype.h>
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#include <sys/types.h>
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#ifdef REG_DEBUG
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# include <stdio.h>
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#endif
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#ifdef NOT_RUBY
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# include "oniguruma.h"
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#else
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# include "regex.h"
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#endif
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#ifdef MIN
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#undef MIN
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#endif
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#ifdef MAX
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#undef MAX
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#endif
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#define MIN(a,b) (((a)>(b))?(b):(a))
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#define MAX(a,b) (((a)<(b))?(b):(a))
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#ifndef UNALIGNED_WORD_ACCESS
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#define WORD_ALIGNMENT_SIZE SIZEOF_INT
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#define GET_ALIGNMENT_PAD_SIZE(addr,pad_size) do {\
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(pad_size) = WORD_ALIGNMENT_SIZE - ((int )(addr) % WORD_ALIGNMENT_SIZE);\
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if ((pad_size) == WORD_ALIGNMENT_SIZE) (pad_size) = 0;\
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} while (0)
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#define ALIGNMENT_RIGHT(addr) do {\
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(addr) += (WORD_ALIGNMENT_SIZE - 1);\
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(addr) -= ((int )(addr) % WORD_ALIGNMENT_SIZE);\
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} while (0)
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#define B_SHIFT 8
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#define B_MASK 0xff
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#define SERIALIZE_2BYTE_INT(i,p) do {\
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*(p) = ((i) >> B_SHIFT) & B_MASK;\
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*((p)+1) = (i) & B_MASK;\
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} while (0)
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#define SERIALIZE_4BYTE_INT(i,p) do {\
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*(p) = ((i) >> B_SHIFT*3) & B_MASK;\
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*((p)+1) = ((i) >> B_SHIFT*2) & B_MASK;\
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*((p)+2) = ((i) >> B_SHIFT ) & B_MASK;\
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*((p)+3) = (i) & B_MASK;\
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} while (0)
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#define SERIALIZE_8BYTE_INT(i,p) do {\
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*(p) = ((i) >> B_SHIFT*7) & B_MASK;\
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*((p)+1) = ((i) >> B_SHIFT*6) & B_MASK;\
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*((p)+2) = ((i) >> B_SHIFT*5) & B_MASK;\
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*((p)+3) = ((i) >> B_SHIFT*4) & B_MASK;\
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*((p)+4) = ((i) >> B_SHIFT*3) & B_MASK;\
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*((p)+5) = ((i) >> B_SHIFT*2) & B_MASK;\
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*((p)+6) = ((i) >> B_SHIFT ) & B_MASK;\
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*((p)+7) = (i) & B_MASK;\
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} while (0)
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#define GET_2BYTE_INT_INC(type,i,p) do {\
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(i) = (type )(((unsigned int )(*(p)) << B_SHIFT) | (unsigned int )((p)[1]));\
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(p) += 2;\
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} while (0)
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#define GET_4BYTE_INT_INC(type,i,p) do {\
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(i) = (type )(((unsigned int )((p)[0]) << B_SHIFT*3) | \
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((unsigned int )((p)[1]) << B_SHIFT*2) | \
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((unsigned int )((p)[2]) << B_SHIFT ) | \
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((unsigned int )((p)[3]) )); \
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(p) += 4;\
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} while (0)
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#define GET_8BYTE_INT_INC(type,i,p) do {\
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(i) = (type )(((unsigned long )((p)[0]) << B_SHIFT*7) | \
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((unsigned long )((p)[1]) << B_SHIFT*6) | \
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((unsigned long )((p)[2]) << B_SHIFT*5) | \
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((unsigned long )((p)[3]) << B_SHIFT*4) | \
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((unsigned long )((p)[4]) << B_SHIFT*3) | \
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((unsigned long )((p)[5]) << B_SHIFT*2) | \
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((unsigned long )((p)[6]) << B_SHIFT ) | \
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((unsigned long )((p)[7]) )); \
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(p) += 8;\
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} while (0)
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#if SIZEOF_SHORT == 2
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#define GET_SHORT_INC(i,p) GET_2BYTE_INT_INC(short,i,p)
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#define SERIALIZE_SHORT(i,p) SERIALIZE_2BYTE_INT(i,p)
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#elif SIZEOF_SHORT == 4
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#define GET_SHORT_INC(i,p) GET_4BYTE_INT_INC(short,i,p)
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#define SERIALIZE_SHORT(i,p) SERIALIZE_4BYTE_INT(i,p)
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#elif SIZEOF_SHORT == 8
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#define GET_SHORT_INC(i,p) GET_8BYTE_INT_INC(short,i,p)
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#define SERIALIZE_SHORT(i,p) SERIALIZE_8BYTE_INT(i,p)
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#endif
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#if SIZEOF_INT == 2
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#define GET_INT_INC(i,p) GET_2BYTE_INT_INC(int,i,p)
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#define GET_UINT_INC(i,p) GET_2BYTE_INT_INC(unsigned,i,p)
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#define SERIALIZE_INT(i,p) SERIALIZE_2BYTE_INT(i,p)
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#define SERIALIZE_UINT(i,p) SERIALIZE_2BYTE_INT(i,p)
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#elif SIZEOF_INT == 4
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#define GET_INT_INC(i,p) GET_4BYTE_INT_INC(int,i,p)
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#define GET_UINT_INC(i,p) GET_4BYTE_INT_INC(unsigned,i,p)
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#define SERIALIZE_INT(i,p) SERIALIZE_4BYTE_INT(i,p)
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#define SERIALIZE_UINT(i,p) SERIALIZE_4BYTE_INT(i,p)
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#elif SIZEOF_INT == 8
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#define GET_INT_INC(i,p) GET_8BYTE_INT_INC(int,i,p)
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#define GET_UINT_INC(i,p) GET_8BYTE_INT_INC(unsigned,i,p)
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#define SERIALIZE_INT(i,p) SERIALIZE_8BYTE_INT(i,p)
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#define SERIALIZE_UINT(i,p) SERIALIZE_8BYTE_INT(i,p)
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#endif
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#endif /* UNALIGNED_WORD_ACCESS */
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/* stack pop level */
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#define STACK_POP_LEVEL_FREE 0
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#define STACK_POP_LEVEL_MEM_START 1
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#define STACK_POP_LEVEL_ALL 2
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/* optimize flags */
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#define REG_OPTIMIZE_NONE 0
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#define REG_OPTIMIZE_EXACT 1 /* Slow Search */
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#define REG_OPTIMIZE_EXACT_BM 2 /* Boyer Moore Search */
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#define REG_OPTIMIZE_EXACT_BM_NOT_REV 3 /* BM (but not simple match) */
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#define REG_OPTIMIZE_EXACT_IC 4 /* Slow Search (ignore case) */
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#define REG_OPTIMIZE_MAP 5 /* char map */
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/* bit status */
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typedef unsigned int BitStatusType;
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#define BIT_STATUS_BITS_NUM (sizeof(BitStatusType) * 8)
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#define BIT_STATUS_CLEAR(stats) (stats) = 0
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#define BIT_STATUS_ON_ALL(stats) (stats) = ~((BitStatusType )0)
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#define BIT_STATUS_AT(stats,n) \
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((n) < BIT_STATUS_BITS_NUM ? ((stats) & (1 << n)) : ((stats) & 1))
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#define BIT_STATUS_ON_AT(stats,n) do {\
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if ((n) < BIT_STATUS_BITS_NUM)\
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(stats) |= (1 << (n));\
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else\
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(stats) |= 1;\
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} while (0)
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#define BIT_STATUS_ON_AT_SIMPLE(stats,n) do {\
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if ((n) < BIT_STATUS_BITS_NUM)\
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(stats) |= (1 << (n));\
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} while (0)
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#define INT_MAX_LIMIT ((1UL << (SIZEOF_INT * 8 - 1)) - 1)
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typedef unsigned int WCINT;
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#define SIZE_WCINT sizeof(WCINT)
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#define GET_WCINT(wc,p) (wc) = *((WCINT* )(p))
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#define INFINITE_DISTANCE ~((RegDistance )0)
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#if defined STDC_HEADERS || (!defined isascii && !defined HAVE_ISASCII)
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# define IS_ASCII(c) 1
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#else
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# define IS_ASCII(c) isascii(c)
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#endif
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#ifdef isblank
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# define IS_BLANK(c) (IS_ASCII(c) && isblank(c))
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#else
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# define IS_BLANK(c) ((c) == ' ' || (c) == '\t')
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#endif
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#ifdef isgraph
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# define IS_GRAPH(c) (IS_ASCII(c) && isgraph(c))
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#else
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# define IS_GRAPH(c) (IS_ASCII(c) && isprint(c) && !isspace(c))
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#endif
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#define IS_PRINT(c) (isprint(c) && IS_ASCII(c))
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#define IS_ALNUM(c) (isalnum(c) && IS_ASCII(c))
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#define IS_ALPHA(c) (isalpha(c) && IS_ASCII(c))
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#define IS_LOWER(c) (islower(c) && IS_ASCII(c))
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#define IS_UPPER(c) (isupper(c) && IS_ASCII(c))
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#define IS_CNTRL(c) (iscntrl(c) && IS_ASCII(c))
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#define IS_PUNCT(c) (ispunct(c) && IS_ASCII(c))
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#define IS_SPACE(c) (isspace(c) && IS_ASCII(c))
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#define IS_DIGIT(c) (isdigit(c) && IS_ASCII(c))
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#define IS_XDIGIT(c) (isxdigit(c) && IS_ASCII(c))
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#define IS_ODIGIT(c) (IS_DIGIT(c) && (c) < '8')
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#define DIGITVAL(c) ((c) - '0')
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#define ODIGITVAL(c) DIGITVAL(c)
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#define XDIGITVAL(c) \
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(IS_DIGIT(c) ? DIGITVAL(c) : (IS_UPPER(c) ? (c) - 'A' + 10 : (c) - 'a' + 10))
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#define IS_SINGLELINE(option) ((option) & REG_OPTION_SINGLELINE)
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#define IS_MULTILINE(option) ((option) & REG_OPTION_MULTILINE)
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#define IS_IGNORECASE(option) ((option) & REG_OPTION_IGNORECASE)
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#define IS_EXTEND(option) ((option) & REG_OPTION_EXTEND)
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#define IS_FIND_LONGEST(option) ((option) & REG_OPTION_FIND_LONGEST)
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#define IS_FIND_NOT_EMPTY(option) ((option) & REG_OPTION_FIND_NOT_EMPTY)
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#define IS_POSIXLINE(option) (IS_SINGLELINE(option) && IS_MULTILINE(option))
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#define IS_FIND_CONDITION(option) ((option) & \
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(REG_OPTION_FIND_LONGEST | REG_OPTION_FIND_NOT_EMPTY))
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#define IS_NOTBOL(option) ((option) & REG_OPTION_NOTBOL)
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#define IS_NOTEOL(option) ((option) & REG_OPTION_NOTEOL)
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#define IS_POSIX_REGION(option) ((option) & REG_OPTION_POSIX_REGION)
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#ifdef NEWLINE
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#undef NEWLINE
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#endif
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#define NEWLINE '\n'
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#define IS_NULL(p) (((void*)(p)) == (void*)0)
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#define IS_NOT_NULL(p) (((void*)(p)) != (void*)0)
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#define IS_NEWLINE(c) ((c) == NEWLINE)
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#define CHECK_NULL_RETURN(p) if (IS_NULL(p)) return NULL
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#define CHECK_NULL_RETURN_VAL(p,val) if (IS_NULL(p)) return (val)
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#define NULL_UCHARP ((UChar* )0)
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/* bitset */
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#define BITS_PER_BYTE 8
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#define SINGLE_BYTE_SIZE (1 << BITS_PER_BYTE)
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#define BITS_IN_ROOM (sizeof(Bits) * BITS_PER_BYTE)
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#define BITSET_SIZE (SINGLE_BYTE_SIZE / BITS_IN_ROOM)
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#ifdef UNALIGNED_WORD_ACCESS
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typedef unsigned int Bits;
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#else
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typedef unsigned char Bits;
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#endif
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typedef Bits BitSet[BITSET_SIZE];
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typedef Bits* BitSetRef;
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#define SIZE_BITSET sizeof(BitSet)
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#define BITSET_CLEAR(bs) do {\
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int i;\
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for (i = 0; i < BITSET_SIZE; i++) { (bs)[i] = 0; }\
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} while (0)
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#define BS_ROOM(bs,pos) (bs)[pos / BITS_IN_ROOM]
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#define BS_BIT(pos) (1 << (pos % BITS_IN_ROOM))
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#define BITSET_AT(bs, pos) (BS_ROOM(bs,pos) & BS_BIT(pos))
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#define BITSET_SET_BIT(bs, pos) BS_ROOM(bs,pos) |= BS_BIT(pos)
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#define BITSET_CLEAR_BIT(bs, pos) BS_ROOM(bs,pos) &= ~(BS_BIT(pos))
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#define BITSET_INVERT_BIT(bs, pos) BS_ROOM(bs,pos) ^= BS_BIT(pos)
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/* bytes buffer */
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typedef struct _BBuf {
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UChar* p;
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unsigned int used;
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unsigned int alloc;
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} BBuf;
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#define BBUF_INIT(buf,size) regex_bbuf_init((BBuf* )(buf), (size))
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#define BBUF_SIZE_INC(buf,inc) do{\
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(buf)->alloc += (inc);\
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(buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
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if (IS_NULL((buf)->p)) return(REGERR_MEMORY);\
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} while (0)
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#define BBUF_EXPAND(buf,low) do{\
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do { (buf)->alloc *= 2; } while ((buf)->alloc < low);\
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(buf)->p = (UChar* )xrealloc((buf)->p, (buf)->alloc);\
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if (IS_NULL((buf)->p)) return(REGERR_MEMORY);\
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} while (0)
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#define BBUF_ENSURE_SIZE(buf,size) do{\
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int new_alloc = (buf)->alloc;\
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while (new_alloc < (size)) { new_alloc *= 2; }\
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if ((buf)->alloc != new_alloc) {\
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(buf)->p = (UChar* )xrealloc((buf)->p, new_alloc);\
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if (IS_NULL((buf)->p)) return(REGERR_MEMORY);\
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(buf)->alloc = new_alloc;\
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}\
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} while (0)
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#define BBUF_WRITE(buf,pos,bytes,n) do{\
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int used = (pos) + (n);\
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if ((buf)->alloc < used) BBUF_EXPAND((buf),used);\
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xmemcpy((buf)->p + (pos), (bytes), (n));\
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if ((buf)->used < used) (buf)->used = used;\
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} while (0)
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#define BBUF_WRITE1(buf,pos,byte) do{\
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int used = (pos) + 1;\
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if ((buf)->alloc < used) BBUF_EXPAND((buf),used);\
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(buf)->p[(pos)] = (byte);\
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if ((buf)->used < used) (buf)->used = used;\
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} while (0)
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#define BBUF_ADD(buf,bytes,n) BBUF_WRITE((buf),(buf)->used,(bytes),(n))
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#define BBUF_ADD1(buf,byte) BBUF_WRITE1((buf),(buf)->used,(byte))
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#define BBUF_GET_ADD_ADDRESS(buf) ((buf)->p + (buf)->used)
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#define BBUF_GET_OFFSET_POS(buf) ((buf)->used)
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/* from < to */
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#define BBUF_MOVE_RIGHT(buf,from,to,n) do {\
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if ((to) + (n) > (buf)->alloc) BBUF_EXPAND((buf),(to) + (n));\
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xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
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if ((to) + (n) > (buf)->used) (buf)->used = (to) + (n);\
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} while (0)
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/* from > to */
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#define BBUF_MOVE_LEFT(buf,from,to,n) do {\
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xmemmove((buf)->p + (to), (buf)->p + (from), (n));\
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} while (0)
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/* from > to */
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#define BBUF_MOVE_LEFT_REDUCE(buf,from,to) do {\
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xmemmove((buf)->p + (to), (buf)->p + (from), (buf)->used - (from));\
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(buf)->used -= (from - to);\
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} while (0)
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#define BBUF_INSERT(buf,pos,bytes,n) do {\
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if (pos >= (buf)->used) {\
|
|
BBUF_WRITE(buf,pos,bytes,n);\
|
|
}\
|
|
else {\
|
|
BBUF_MOVE_RIGHT((buf),(pos),(pos) + (n),((buf)->used - (pos)));\
|
|
xmemcpy((buf)->p + (pos), (bytes), (n));\
|
|
}\
|
|
} while (0)
|
|
|
|
#define BBUF_GET_BYTE(buf, pos) (buf)->p[(pos)]
|
|
|
|
extern UChar* DefaultTransTable;
|
|
#define TOLOWER(enc,c) (DefaultTransTable[c])
|
|
|
|
/* methods for support multi-byte code, */
|
|
#define ismb(code,c) (mblen((code),(c)) != 1)
|
|
#define MB2WC(p,end,code) mb2wc((p),(end),(code))
|
|
#define MBBACK(code,start,s,n) step_backward_char((code),(start),(s),(n))
|
|
|
|
#ifdef REG_RUBY_M17N
|
|
|
|
#define MB2WC_AVAILABLE(enc) 1
|
|
#define WC2MB_FIRST(enc, wc) m17n_firstbyte((enc),(wc))
|
|
|
|
#define mbmaxlen(enc) m17n_mbmaxlen(enc)
|
|
#define mblen(enc,c) m17n_mbclen(enc,c)
|
|
#define mbmaxlen_dist(enc) \
|
|
(mbmaxlen(enc) > 0 ? mbmaxlen(enc) : INFINITE_DISTANCE)
|
|
|
|
#define IS_SINGLEBYTE_CODE(enc) (m17n_mbmaxlen(enc) == 1)
|
|
/* #define IS_INDEPENDENT_TRAIL(enc) m17n_independent_trail(enc) */
|
|
#define IS_INDEPENDENT_TRAIL(enc) IS_SINGLEBYTE_CODE(enc)
|
|
|
|
#define IS_CODE_ASCII(enc,c) IS_ASCII(c)
|
|
#define IS_CODE_GRAPH(enc,c) IS_GRAPH(c)
|
|
#define IS_CODE_PRINT(enc,c) m17n_isprint(enc,c)
|
|
#define IS_CODE_ALNUM(enc,c) m17n_isalnum(enc,c)
|
|
#define IS_CODE_ALPHA(enc,c) m17n_isalpha(enc,c)
|
|
#define IS_CODE_LOWER(enc,c) m17n_islower(enc,c)
|
|
#define IS_CODE_UPPER(enc,c) m17n_isupper(enc,c)
|
|
#define IS_CODE_CNTRL(enc,c) m17n_iscntrl(enc,c)
|
|
#define IS_CODE_PUNCT(enc,c) m17n_ispunct(enc,c)
|
|
#define IS_CODE_SPACE(enc,c) m17n_isspace(enc,c)
|
|
#define IS_CODE_BLANK(enc,c) IS_BLANK(c)
|
|
#define IS_CODE_DIGIT(enc,c) m17n_isdigit(enc,c)
|
|
#define IS_CODE_XDIGIT(enc,c) m17n_isxdigit(enc,c)
|
|
|
|
#define IS_CODE_WORD(enc,c) m17n_iswchar(enc,c)
|
|
#define ISNOT_CODE_WORD(enc,c) (!m17n_iswchar(enc,c))
|
|
|
|
#define IS_WORD_STR(code,s,end) \
|
|
(ismb((code),*(s)) ? (s + mblen((code),*(s)) <= (end)) : \
|
|
m17n_iswchar(code,*(s)))
|
|
#define IS_WORD_STR_INC(code,s,end) \
|
|
(ismb((code),*(s)) ? ((s) += mblen((code),*(s)), (s) <= (end)) : \
|
|
(s++, m17n_iswchar(code,s[-1])))
|
|
|
|
#define IS_WORD_HEAD(enc,c) (ismb(enc,c) ? 1 : IS_CODE_WORD(enc,c))
|
|
|
|
#define IS_SB_WORD(code,c) (mblen(code,c) == 1 && IS_CODE_WORD(code,c))
|
|
#define IS_MB_WORD(code,c) ismb(code,c)
|
|
|
|
#define mb2wc(p,e,enc) m17n_codepoint((enc),(p),(e))
|
|
|
|
#else /* REG_RUBY_M17N */
|
|
|
|
#define mb2wc(p,e,code) regex_mb2wc((p),(e),(code))
|
|
|
|
#define MB2WC_AVAILABLE(code) 1
|
|
#define WC2MB_FIRST(code, wc) regex_wc2mb_first(code, wc)
|
|
|
|
#define mbmaxlen_dist(code) mbmaxlen(code)
|
|
#define mbmaxlen(code) regex_mb_max_length(code)
|
|
#define mblen(code,c) (code)[(int )(c)]
|
|
|
|
#define IS_SINGLEBYTE_CODE(code) ((code) == REGCODE_ASCII)
|
|
#define IS_INDEPENDENT_TRAIL(code) \
|
|
((code) == REGCODE_ASCII || (code) == REGCODE_UTF8)
|
|
|
|
#define IS_CODE_ASCII(code,c) IS_ASCII(c)
|
|
#define IS_CODE_GRAPH(code,c) IS_GRAPH(c)
|
|
#define IS_CODE_PRINT(code,c) IS_PRINT(c)
|
|
#define IS_CODE_ALNUM(code,c) IS_ALNUM(c)
|
|
#define IS_CODE_ALPHA(code,c) IS_ALPHA(c)
|
|
#define IS_CODE_LOWER(code,c) IS_LOWER(c)
|
|
#define IS_CODE_UPPER(code,c) IS_UPPER(c)
|
|
#define IS_CODE_CNTRL(code,c) IS_CNTRL(c)
|
|
#define IS_CODE_PUNCT(code,c) IS_PUNCT(c)
|
|
#define IS_CODE_SPACE(code,c) IS_SPACE(c)
|
|
#define IS_CODE_BLANK(code,c) IS_BLANK(c)
|
|
#define IS_CODE_DIGIT(code,c) IS_DIGIT(c)
|
|
#define IS_CODE_ODIGIT(code,c) IS_ODIGIT(c)
|
|
#define IS_CODE_XDIGIT(code,c) IS_XDIGIT(c)
|
|
|
|
#define IS_SB_WORD(code,c) (IS_CODE_ALNUM(code,c) || (c) == '_')
|
|
#define IS_MB_WORD(code,c) ismb(code,c)
|
|
|
|
#define IS_CODE_WORD(code,c) \
|
|
(IS_SB_WORD(code,c) && ((c) < 0x80 || (code) == REGCODE_ASCII))
|
|
#define ISNOT_CODE_WORD(code,c) \
|
|
((!IS_SB_WORD(code,c)) && !ismb(code,c))
|
|
|
|
#define IS_WORD_STR(code,s,end) \
|
|
(ismb((code),*(s)) ? (s + mblen((code),*(s)) <= (end)) : \
|
|
IS_SB_WORD(code,*(s)))
|
|
#define IS_WORD_STR_INC(code,s,end) \
|
|
(ismb((code),*(s)) ? ((s) += mblen((code),*(s)), (s) <= (end)) : \
|
|
(s++, IS_SB_WORD(code,s[-1])))
|
|
|
|
#define IS_WORD_HEAD(code,c) (ismb(code,c) ? 1 : IS_SB_WORD(code,c))
|
|
|
|
extern int regex_mb_max_length P_((RegCharEncoding code));
|
|
extern WCINT regex_mb2wc P_((UChar* p, UChar* end, RegCharEncoding code));
|
|
extern int regex_wc2mb_first P_((RegCharEncoding code, WCINT wc));
|
|
|
|
#endif /* not REG_RUBY_M17N */
|
|
|
|
|
|
#define ANCHOR_BEGIN_BUF (1<<0)
|
|
#define ANCHOR_BEGIN_LINE (1<<1)
|
|
#define ANCHOR_BEGIN_POSITION (1<<2)
|
|
#define ANCHOR_END_BUF (1<<3)
|
|
#define ANCHOR_SEMI_END_BUF (1<<4)
|
|
#define ANCHOR_END_LINE (1<<5)
|
|
|
|
#define ANCHOR_WORD_BOUND (1<<6)
|
|
#define ANCHOR_NOT_WORD_BOUND (1<<7)
|
|
#define ANCHOR_WORD_BEGIN (1<<8)
|
|
#define ANCHOR_WORD_END (1<<9)
|
|
#define ANCHOR_PREC_READ (1<<10)
|
|
#define ANCHOR_PREC_READ_NOT (1<<11)
|
|
#define ANCHOR_LOOK_BEHIND (1<<12)
|
|
#define ANCHOR_LOOK_BEHIND_NOT (1<<13)
|
|
|
|
#define ANCHOR_ANYCHAR_STAR (1<<14) /* ".*" optimize info */
|
|
#define ANCHOR_ANYCHAR_STAR_PL (1<<15) /* ".*" optimize info (posix-line) */
|
|
|
|
/* operation code */
|
|
enum OpCode {
|
|
OP_FINISH = 0, /* matching process terminator (no more alternative) */
|
|
OP_END = 1, /* pattern code terminator (success end) */
|
|
|
|
OP_EXACT1 = 2, /* single byte, N = 1 */
|
|
OP_EXACT2, /* single byte, N = 2 */
|
|
OP_EXACT3, /* single byte, N = 3 */
|
|
OP_EXACT4, /* single byte, N = 4 */
|
|
OP_EXACT5, /* single byte, N = 5 */
|
|
OP_EXACTN, /* single byte */
|
|
OP_EXACTMB2N1, /* mb-length = 2 N = 1 */
|
|
OP_EXACTMB2N2, /* mb-length = 2 N = 2 */
|
|
OP_EXACTMB2N3, /* mb-length = 2 N = 3 */
|
|
OP_EXACTMB2N, /* mb-length = 2 */
|
|
OP_EXACTMB3N, /* mb length = 3 */
|
|
OP_EXACTMBN, /* other length */
|
|
|
|
OP_EXACT1_IC, /* single byte, N = 1, ignore case */
|
|
OP_EXACTN_IC, /* single byte, ignore case */
|
|
|
|
OP_CCLASS,
|
|
OP_CCLASS_MB,
|
|
OP_CCLASS_MIX,
|
|
OP_CCLASS_NOT,
|
|
OP_CCLASS_MB_NOT,
|
|
OP_CCLASS_MIX_NOT,
|
|
|
|
OP_ANYCHAR, /* "." */
|
|
OP_ANYCHAR_STAR, /* ".*" */
|
|
OP_ANYCHAR_STAR_PEEK_NEXT,
|
|
|
|
OP_WORD,
|
|
OP_NOT_WORD,
|
|
OP_WORD_SB,
|
|
OP_WORD_MB,
|
|
OP_WORD_BOUND,
|
|
OP_NOT_WORD_BOUND,
|
|
OP_WORD_BEGIN,
|
|
OP_WORD_END,
|
|
|
|
OP_BEGIN_BUF,
|
|
OP_END_BUF,
|
|
OP_BEGIN_LINE,
|
|
OP_END_LINE,
|
|
OP_SEMI_END_BUF,
|
|
OP_BEGIN_POSITION,
|
|
|
|
OP_BACKREF1,
|
|
OP_BACKREF2,
|
|
OP_BACKREF3,
|
|
OP_BACKREFN,
|
|
OP_BACKREF_MULTI,
|
|
|
|
OP_MEMORY_START,
|
|
OP_MEMORY_START_PUSH, /* push back-tracker to stack */
|
|
OP_MEMORY_END_PUSH, /* push back-tracker to stack */
|
|
OP_MEMORY_END_PUSH_REC, /* push back-tracker to stack */
|
|
OP_MEMORY_END,
|
|
OP_MEMORY_END_REC, /* push marker to stack */
|
|
|
|
OP_SET_OPTION_PUSH, /* set option and push recover option */
|
|
OP_SET_OPTION, /* set option */
|
|
|
|
OP_FAIL, /* pop stack and move */
|
|
OP_JUMP,
|
|
OP_PUSH,
|
|
OP_POP,
|
|
OP_PUSH_OR_JUMP_EXACT1, /* if match exact then push, else jump. */
|
|
OP_PUSH_IF_PEEK_NEXT, /* if match exact then push, else none. */
|
|
OP_REPEAT, /* {n,m} */
|
|
OP_REPEAT_NG, /* {n,m}? (non greedy) */
|
|
OP_REPEAT_INC,
|
|
OP_REPEAT_INC_NG, /* non greedy */
|
|
OP_NULL_CHECK_START, /* null loop checker start */
|
|
OP_NULL_CHECK_END, /* null loop checker end */
|
|
|
|
OP_PUSH_POS, /* (?=...) start */
|
|
OP_POP_POS, /* (?=...) end */
|
|
OP_PUSH_POS_NOT, /* (?!...) start */
|
|
OP_FAIL_POS, /* (?!...) end */
|
|
OP_PUSH_STOP_BT, /* (?>...) start */
|
|
OP_POP_STOP_BT, /* (?>...) end */
|
|
OP_LOOK_BEHIND, /* (?<=...) start (no needs end opcode) */
|
|
OP_PUSH_LOOK_BEHIND_NOT, /* (?<!...) start */
|
|
OP_FAIL_LOOK_BEHIND_NOT, /* (?<!...) end */
|
|
|
|
OP_CALL, /* \g<name> */
|
|
OP_RETURN
|
|
};
|
|
|
|
/* arguments type */
|
|
#define ARG_SPECIAL -1
|
|
#define ARG_NON 0
|
|
#define ARG_RELADDR 1
|
|
#define ARG_ABSADDR 2
|
|
#define ARG_LENGTH 3
|
|
#define ARG_MEMNUM 4
|
|
#define ARG_OPTION 5
|
|
|
|
typedef short int RelAddrType;
|
|
typedef short int AbsAddrType;
|
|
typedef short int LengthType;
|
|
typedef short int MemNumType;
|
|
typedef int RepeatNumType;
|
|
|
|
#define SIZE_OPCODE 1
|
|
#define SIZE_RELADDR sizeof(RelAddrType)
|
|
#define SIZE_ABSADDR sizeof(AbsAddrType)
|
|
#define SIZE_LENGTH sizeof(LengthType)
|
|
#define SIZE_MEMNUM sizeof(MemNumType)
|
|
#define SIZE_REPEATNUM sizeof(RepeatNumType)
|
|
#define SIZE_OPTION sizeof(RegOptionType)
|
|
|
|
#ifdef UNALIGNED_WORD_ACCESS
|
|
#define GET_RELADDR_INC(addr,p) do{\
|
|
addr = *((RelAddrType* )(p));\
|
|
(p) += SIZE_RELADDR;\
|
|
} while(0)
|
|
|
|
#define GET_ABSADDR_INC(addr,p) do{\
|
|
addr = *((AbsAddrType* )(p));\
|
|
(p) += SIZE_ABSADDR;\
|
|
} while(0)
|
|
|
|
#define GET_LENGTH_INC(len,p) do{\
|
|
len = *((LengthType* )(p));\
|
|
(p) += SIZE_LENGTH;\
|
|
} while(0)
|
|
|
|
#define GET_MEMNUM_INC(num,p) do{\
|
|
num = *((MemNumType* )(p));\
|
|
(p) += SIZE_MEMNUM;\
|
|
} while(0)
|
|
|
|
#define GET_REPEATNUM_INC(num,p) do{\
|
|
num = *((RepeatNumType* )(p));\
|
|
(p) += SIZE_REPEATNUM;\
|
|
} while(0)
|
|
|
|
#define GET_OPTION_INC(option,p) do{\
|
|
option = *((RegOptionType* )(p));\
|
|
(p) += SIZE_OPTION;\
|
|
} while(0)
|
|
#else
|
|
|
|
#define GET_RELADDR_INC(addr,p) GET_SHORT_INC(addr,p)
|
|
#define GET_ABSADDR_INC(addr,p) GET_SHORT_INC(addr,p)
|
|
#define GET_LENGTH_INC(len,p) GET_SHORT_INC(len,p)
|
|
#define GET_MEMNUM_INC(num,p) GET_SHORT_INC(num,p)
|
|
#define GET_REPEATNUM_INC(num,p) GET_INT_INC(num,p)
|
|
#define GET_OPTION_INC(option,p) GET_UINT_INC(option,p)
|
|
|
|
#define SERIALIZE_RELADDR(addr,p) SERIALIZE_SHORT(addr,p)
|
|
#define SERIALIZE_ABSADDR(addr,p) SERIALIZE_SHORT(addr,p)
|
|
#define SERIALIZE_LENGTH(len,p) SERIALIZE_SHORT(len,p)
|
|
#define SERIALIZE_MEMNUM(num,p) SERIALIZE_SHORT(num,p)
|
|
#define SERIALIZE_REPEATNUM(num,p) SERIALIZE_INT(num,p)
|
|
#define SERIALIZE_OPTION(option,p) SERIALIZE_UINT(option,p)
|
|
|
|
#define SERIALIZE_BUFSIZE SIZEOF_INT
|
|
|
|
#endif /* UNALIGNED_WORD_ACCESS */
|
|
|
|
#define GET_BYTE_INC(byte,p) do{\
|
|
byte = *(p);\
|
|
(p)++;\
|
|
} while(0)
|
|
|
|
|
|
/* op-code + arg size */
|
|
#define SIZE_OP_ANYCHAR_STAR SIZE_OPCODE
|
|
#define SIZE_OP_ANYCHAR_STAR_PEEK_NEXT (SIZE_OPCODE + 1)
|
|
#define SIZE_OP_JUMP (SIZE_OPCODE + SIZE_RELADDR)
|
|
#define SIZE_OP_PUSH (SIZE_OPCODE + SIZE_RELADDR)
|
|
#define SIZE_OP_POP SIZE_OPCODE
|
|
#define SIZE_OP_PUSH_OR_JUMP_EXACT1 (SIZE_OPCODE + SIZE_RELADDR + 1)
|
|
#define SIZE_OP_PUSH_IF_PEEK_NEXT (SIZE_OPCODE + SIZE_RELADDR + 1)
|
|
#define SIZE_OP_REPEAT_INC (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_REPEAT_INC_NG (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_PUSH_POS SIZE_OPCODE
|
|
#define SIZE_OP_PUSH_POS_NOT (SIZE_OPCODE + SIZE_RELADDR)
|
|
#define SIZE_OP_POP_POS SIZE_OPCODE
|
|
#define SIZE_OP_FAIL_POS SIZE_OPCODE
|
|
#define SIZE_OP_SET_OPTION (SIZE_OPCODE + SIZE_OPTION)
|
|
#define SIZE_OP_SET_OPTION_PUSH (SIZE_OPCODE + SIZE_OPTION)
|
|
#define SIZE_OP_FAIL SIZE_OPCODE
|
|
#define SIZE_OP_MEMORY_START (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_MEMORY_START_PUSH (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_MEMORY_END_PUSH (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_MEMORY_END_PUSH_REC (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_MEMORY_END (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_MEMORY_END_REC (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_PUSH_STOP_BT SIZE_OPCODE
|
|
#define SIZE_OP_POP_STOP_BT SIZE_OPCODE
|
|
#define SIZE_OP_NULL_CHECK_START (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_NULL_CHECK_END (SIZE_OPCODE + SIZE_MEMNUM)
|
|
#define SIZE_OP_LOOK_BEHIND (SIZE_OPCODE + SIZE_LENGTH)
|
|
#define SIZE_OP_PUSH_LOOK_BEHIND_NOT (SIZE_OPCODE + SIZE_RELADDR + SIZE_LENGTH)
|
|
#define SIZE_OP_FAIL_LOOK_BEHIND_NOT SIZE_OPCODE
|
|
#define SIZE_OP_CALL (SIZE_OPCODE + SIZE_ABSADDR)
|
|
#define SIZE_OP_RETURN SIZE_OPCODE
|
|
|
|
|
|
#ifdef REG_DEBUG
|
|
|
|
typedef struct {
|
|
short int opcode;
|
|
char* name;
|
|
short int arg_type;
|
|
} RegOpInfoType;
|
|
|
|
extern RegOpInfoType RegOpInfo[];
|
|
|
|
extern void regex_print_compiled_byte_code P_((FILE* f, UChar* bp, UChar** nextp));
|
|
|
|
#ifdef REG_DEBUG_STATISTICS
|
|
extern void regex_statistics_init P_((void));
|
|
extern void regex_print_statistics P_((FILE* f));
|
|
#endif
|
|
#endif
|
|
|
|
extern char* regex_error_code_to_format P_((int code));
|
|
extern void regex_snprintf_with_pattern PV_((char buf[], int bufsize, RegCharEncoding enc, char* pat, char* pat_end, char *fmt, ...));
|
|
extern UChar* regex_strdup P_((UChar* s, UChar* end));
|
|
extern int regex_bbuf_init P_((BBuf* buf, int size));
|
|
extern int regex_alloc_init P_((regex_t** reg, RegOptionType option, RegCharEncoding code, RegSyntaxType* syntax));
|
|
extern int regex_compile P_((regex_t* reg, UChar* pattern, UChar* pattern_end, RegErrorInfo* einfo));
|
|
extern void regex_chain_reduce P_((regex_t* reg));
|
|
extern int regex_is_in_wc_range P_((UChar* p, WCINT wc));
|
|
|
|
#endif /* REGINT_H */
|