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-rw-r--r--oniguruma.h245
1 files changed, 73 insertions, 172 deletions
diff --git a/oniguruma.h b/oniguruma.h
index 2dd5323..97c581d 100644
--- a/oniguruma.h
+++ b/oniguruma.h
@@ -4,7 +4,7 @@
oniguruma.h - Oniguruma (regular expression library)
**********************************************************************/
/*-
- * Copyright (c) 2002-2006 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
+ * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@@ -34,9 +34,9 @@ extern "C" {
#endif
#define ONIGURUMA
-#define ONIGURUMA_VERSION_MAJOR 4
-#define ONIGURUMA_VERSION_MINOR 4
-#define ONIGURUMA_VERSION_TEENY 5
+#define ONIGURUMA_VERSION_MAJOR 5
+#define ONIGURUMA_VERSION_MINOR 7
+#define ONIGURUMA_VERSION_TEENY 0
#ifdef __cplusplus
# ifndef HAVE_PROTOTYPES
@@ -96,30 +96,23 @@ typedef unsigned int OnigDistance;
#define ONIG_INFINITE_DISTANCE ~((OnigDistance )0)
-/* ambiguous match flag */
-typedef unsigned int OnigAmbigType;
+/* case fold flag */
+typedef unsigned int OnigCaseFoldType;
-ONIG_EXTERN OnigAmbigType OnigDefaultAmbigFlag;
+ONIG_EXTERN OnigCaseFoldType OnigDefaultCaseFoldFlag;
-#define ONIGENC_AMBIGUOUS_MATCH_NONE 0
-#define ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE (1<<0)
-#define ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE (1<<1)
-/* #define ONIGENC_AMBIGUOUS_MATCH_ACCENT (1<<2) */
-/* #define ONIGENC_AMBIGUOUS_MATCH_HIRAGANA_KATAKANA (1<<3) */
-/* #define ONIGENC_AMBIGUOUS_MATCH_KATAKANA_WIDTH (1<<4) */
+/* #define ONIGENC_CASE_FOLD_HIRAGANA_KATAKANA (1<<1) */
+/* #define ONIGENC_CASE_FOLD_KATAKANA_WIDTH (1<<2) */
+#define ONIGENC_CASE_FOLD_TURKISH_AZERI (1<<20)
+#define INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR (1<<30)
-#define ONIGENC_AMBIGUOUS_MATCH_LIMIT (1<<1)
-#define ONIGENC_AMBIGUOUS_MATCH_COMPOUND (1<<30)
+#define ONIGENC_CASE_FOLD_MIN INTERNAL_ONIGENC_CASE_FOLD_MULTI_CHAR
+#define ONIGENC_CASE_FOLD_DEFAULT OnigDefaultCaseFoldFlag
-#define ONIGENC_AMBIGUOUS_MATCH_FULL \
- ( ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE | \
- ONIGENC_AMBIGUOUS_MATCH_NONASCII_CASE | \
- ONIGENC_AMBIGUOUS_MATCH_COMPOUND )
-#define ONIGENC_AMBIGUOUS_MATCH_DEFAULT OnigDefaultAmbigFlag
-
-#define ONIGENC_MAX_COMP_AMBIG_CODE_LEN 3
-#define ONIGENC_MAX_COMP_AMBIG_CODE_ITEM_NUM 4
+#define ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN 3
+#define ONIGENC_GET_CASE_FOLD_CODES_MAX_NUM 13
+/* 13 => Unicode:0x1ffc */
/* code range */
#define ONIGENC_CODE_RANGE_NUM(range) ((int )range[0])
@@ -127,20 +120,10 @@ ONIG_EXTERN OnigAmbigType OnigDefaultAmbigFlag;
#define ONIGENC_CODE_RANGE_TO(range,i) range[((i)*2) + 2]
typedef struct {
- int len;
- OnigCodePoint code[ONIGENC_MAX_COMP_AMBIG_CODE_LEN];
-} OnigCompAmbigCodeItem;
-
-typedef struct {
- int n;
- OnigCodePoint code;
- OnigCompAmbigCodeItem items[ONIGENC_MAX_COMP_AMBIG_CODE_ITEM_NUM];
-} OnigCompAmbigCodes;
-
-typedef struct {
- OnigCodePoint from;
- OnigCodePoint to;
-} OnigPairAmbigCodes;
+ int byte_len; /* argument(original) character(s) byte length */
+ int code_len; /* number of code */
+ OnigCodePoint code[ONIGENC_MAX_COMP_CASE_FOLD_CODE_LEN];
+} OnigCaseFoldCodeItem;
typedef struct {
OnigCodePoint esc;
@@ -150,32 +133,24 @@ typedef struct {
OnigCodePoint one_or_more_time;
OnigCodePoint anychar_anytime;
} OnigMetaCharTableType;
+
+typedef int (*OnigApplyAllCaseFoldFunc)(OnigCodePoint from, OnigCodePoint* to, int to_len, void* arg);
-
-#if defined(RUBY_PLATFORM) && defined(M17N_H)
-
-#define ONIG_RUBY_M17N
-typedef m17n_encoding* OnigEncoding;
-
-#else
-
-typedef struct {
+typedef struct OnigEncodingTypeST {
int (*mbc_enc_len)(const OnigUChar* p);
const char* name;
int max_enc_len;
int min_enc_len;
- OnigAmbigType support_ambig_flag;
- OnigMetaCharTableType meta_char_table;
int (*is_mbc_newline)(const OnigUChar* p, const OnigUChar* end);
OnigCodePoint (*mbc_to_code)(const OnigUChar* p, const OnigUChar* end);
int (*code_to_mbclen)(OnigCodePoint code);
int (*code_to_mbc)(OnigCodePoint code, OnigUChar *buf);
- int (*mbc_to_normalize)(OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to);
- int (*is_mbc_ambiguous)(OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end);
- int (*get_all_pair_ambig_codes)(OnigAmbigType flag, const OnigPairAmbigCodes** acs);
- int (*get_all_comp_ambig_codes)(OnigAmbigType flag, const OnigCompAmbigCodes** acs);
+ int (*mbc_case_fold)(OnigCaseFoldType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* to);
+ int (*apply_all_case_fold)(OnigCaseFoldType flag, OnigApplyAllCaseFoldFunc f, void* arg);
+ int (*get_case_fold_codes_by_str)(OnigCaseFoldType flag, const OnigUChar* p, const OnigUChar* end, OnigCaseFoldCodeItem acs[]);
+ int (*property_name_to_ctype)(struct OnigEncodingTypeST* enc, OnigUChar* p, OnigUChar* end);
int (*is_code_ctype)(OnigCodePoint code, unsigned int ctype);
- int (*get_ctype_code_range)(int ctype, const OnigCodePoint* sb_range[], const OnigCodePoint* mb_range[]);
+ int (*get_ctype_code_range)(int ctype, OnigCodePoint* sb_out, const OnigCodePoint* ranges[]);
OnigUChar* (*left_adjust_char_head)(const OnigUChar* start, const OnigUChar* p);
int (*is_allowed_reverse_match)(const OnigUChar* p, const OnigUChar* end);
} OnigEncodingType;
@@ -210,6 +185,7 @@ ONIG_EXTERN OnigEncodingType OnigEncodingEUC_CN;
ONIG_EXTERN OnigEncodingType OnigEncodingSJIS;
ONIG_EXTERN OnigEncodingType OnigEncodingKOI8;
ONIG_EXTERN OnigEncodingType OnigEncodingKOI8_R;
+ONIG_EXTERN OnigEncodingType OnigEncodingCP1251;
ONIG_EXTERN OnigEncodingType OnigEncodingBIG5;
ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
@@ -241,34 +217,36 @@ ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
#define ONIG_ENCODING_SJIS (&OnigEncodingSJIS)
#define ONIG_ENCODING_KOI8 (&OnigEncodingKOI8)
#define ONIG_ENCODING_KOI8_R (&OnigEncodingKOI8_R)
+#define ONIG_ENCODING_CP1251 (&OnigEncodingCP1251)
#define ONIG_ENCODING_BIG5 (&OnigEncodingBIG5)
#define ONIG_ENCODING_GB18030 (&OnigEncodingGB18030)
-#endif /* else RUBY && M17N */
-
#define ONIG_ENCODING_UNDEF ((OnigEncoding )0)
/* work size */
-#define ONIGENC_CODE_TO_MBC_MAXLEN 7
-#define ONIGENC_MBC_NORMALIZE_MAXLEN ONIGENC_CODE_TO_MBC_MAXLEN
+#define ONIGENC_CODE_TO_MBC_MAXLEN 7
+#define ONIGENC_MBC_CASE_FOLD_MAXLEN 18
+/* 18: 6(max-byte) * 3(case-fold chars) */
/* character types */
-#define ONIGENC_CTYPE_NEWLINE (1<< 0)
-#define ONIGENC_CTYPE_ALPHA (1<< 1)
-#define ONIGENC_CTYPE_BLANK (1<< 2)
-#define ONIGENC_CTYPE_CNTRL (1<< 3)
-#define ONIGENC_CTYPE_DIGIT (1<< 4)
-#define ONIGENC_CTYPE_GRAPH (1<< 5)
-#define ONIGENC_CTYPE_LOWER (1<< 6)
-#define ONIGENC_CTYPE_PRINT (1<< 7)
-#define ONIGENC_CTYPE_PUNCT (1<< 8)
-#define ONIGENC_CTYPE_SPACE (1<< 9)
-#define ONIGENC_CTYPE_UPPER (1<<10)
-#define ONIGENC_CTYPE_XDIGIT (1<<11)
-#define ONIGENC_CTYPE_WORD (1<<12)
-#define ONIGENC_CTYPE_ASCII (1<<13)
-#define ONIGENC_CTYPE_ALNUM (ONIGENC_CTYPE_ALPHA | ONIGENC_CTYPE_DIGIT)
+#define ONIGENC_CTYPE_NEWLINE 0
+#define ONIGENC_CTYPE_ALPHA 1
+#define ONIGENC_CTYPE_BLANK 2
+#define ONIGENC_CTYPE_CNTRL 3
+#define ONIGENC_CTYPE_DIGIT 4
+#define ONIGENC_CTYPE_GRAPH 5
+#define ONIGENC_CTYPE_LOWER 6
+#define ONIGENC_CTYPE_PRINT 7
+#define ONIGENC_CTYPE_PUNCT 8
+#define ONIGENC_CTYPE_SPACE 9
+#define ONIGENC_CTYPE_UPPER 10
+#define ONIGENC_CTYPE_XDIGIT 11
+#define ONIGENC_CTYPE_WORD 12
+#define ONIGENC_CTYPE_ALNUM 13 /* alpha || digit */
+#define ONIGENC_CTYPE_ASCII 14
+#define ONIGENC_MAX_STD_CTYPE ONIGENC_CTYPE_ASCII
+
#define enc_len(enc,p) ONIGENC_MBC_ENC_LEN(enc, p)
@@ -277,100 +255,22 @@ ONIG_EXTERN OnigEncodingType OnigEncodingGB18030;
#define ONIGENC_IS_MBC_HEAD(enc,p) (ONIGENC_MBC_ENC_LEN(enc,p) != 1)
#define ONIGENC_IS_MBC_ASCII(p) (*(p) < 128)
#define ONIGENC_IS_CODE_ASCII(code) ((code) < 128)
-#define ONIGENC_IS_CODE_SB_WORD(enc,code) \
- (ONIGENC_IS_CODE_ASCII(code) && ONIGENC_IS_CODE_WORD(enc,code))
#define ONIGENC_IS_MBC_WORD(enc,s,end) \
ONIGENC_IS_CODE_WORD(enc,ONIGENC_MBC_TO_CODE(enc,s,end))
-#ifdef ONIG_RUBY_M17N
-
-#include <ctype.h> /* for isblank(), isgraph() */
-
-#define ONIGENC_MBC_TO_NORMALIZE(enc,flag,pp,end,buf) \
- onigenc_mbc_to_normalize(enc,flag,pp,end,buf)
-#define ONIGENC_IS_MBC_AMBIGUOUS(enc,flag,pp,end) \
- onigenc_is_mbc_ambiguous(enc,flag,pp,end)
-
-#define ONIGENC_SUPPORT_AMBIG_FLAG(enc) ONIGENC_AMBIGUOUS_MATCH_ASCII_CASE
-#define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc,s,end) \
- onigenc_is_allowed_reverse_match(enc, s, end)
-#define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,start,s) \
- onigenc_get_left_adjust_char_head(enc, start, s)
-#define ONIGENC_GET_ALL_PAIR_AMBIG_CODES(enc, ambig_flag, acs) 0
-#define ONIGENC_GET_ALL_COMP_AMBIG_CODES(enc, ambig_flag, acs) 0
-#define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbr,mbr) \
- ONIG_NO_SUPPORT_CONFIG
-#define ONIGENC_MBC_ENC_LEN(enc,p) m17n_mbclen(enc,(int )(*p))
-#define ONIGENC_MBC_MAXLEN(enc) m17n_mbmaxlen(enc)
-#define ONIGENC_MBC_MAXLEN_DIST(enc) \
- (ONIGENC_MBC_MAXLEN(enc) > 0 ? ONIGENC_MBC_MAXLEN(enc) \
- : ONIG_INFINITE_DISTANCE)
-#define ONIGENC_MBC_MINLEN(enc) 1
-#define ONIGENC_MBC_TO_CODE(enc,p,e) m17n_codepoint((enc),(p),(e))
-#define ONIGENC_CODE_TO_MBCLEN(enc,code) m17n_codelen((enc),(code))
-#define ONIGENC_CODE_TO_MBC(enc,code,buf) onigenc_code_to_mbc(enc, code, buf)
-
-#if 0 /* !! not supported !! */
-#define ONIGENC_IS_MBC_NEWLINE(enc,p,end)
-#define ONIGENC_STEP_BACK(enc,start,s,n)
-#endif
-
-#define ONIGENC_IS_CODE_CTYPE(enc,code,ctype) \
- onigenc_is_code_ctype(enc,code,ctype)
-
-#ifdef isblank
-# define ONIGENC_IS_CODE_BLANK(enc,code) isblank((int )code)
-#else
-# define ONIGENC_IS_CODE_BLANK(enc,code) ((code) == ' ' || (code) == '\t')
-#endif
-#ifdef isgraph
-# define ONIGENC_IS_CODE_GRAPH(enc,code) isgraph((int )code)
-#else
-# define ONIGENC_IS_CODE_GRAPH(enc,code) \
- (isprint((int )code) && !isspace((int )code))
-#endif
-
-#define ONIGENC_IS_CODE_PRINT(enc,code) m17n_isprint(enc,code)
-#define ONIGENC_IS_CODE_ALNUM(enc,code) m17n_isalnum(enc,code)
-#define ONIGENC_IS_CODE_ALPHA(enc,code) m17n_isalpha(enc,code)
-#define ONIGENC_IS_CODE_LOWER(enc,code) m17n_islower(enc,code)
-#define ONIGENC_IS_CODE_UPPER(enc,code) m17n_isupper(enc,code)
-#define ONIGENC_IS_CODE_CNTRL(enc,code) m17n_iscntrl(enc,code)
-#define ONIGENC_IS_CODE_PUNCT(enc,code) m17n_ispunct(enc,code)
-#define ONIGENC_IS_CODE_SPACE(enc,code) m17n_isspace(enc,code)
-#define ONIGENC_IS_CODE_DIGIT(enc,code) m17n_isdigit(enc,code)
-#define ONIGENC_IS_CODE_XDIGIT(enc,code) m17n_isxdigit(enc,code)
-#define ONIGENC_IS_CODE_WORD(enc,code) m17n_iswchar(enc,code)
-
-ONIG_EXTERN
-int onigenc_is_code_ctype P_((OnigEncoding enc, OnigCodePoint code, int ctype));
-ONIG_EXTERN
-int onigenc_code_to_mbc P_((OnigEncoding enc, OnigCodePoint code, OnigUChar *buf));
-ONIG_EXTERN
-int onigenc_mbc_to_normalize P_((OnigEncoding enc, OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end, OnigUChar* buf));
-ONIG_EXTERN
-int onigenc_is_mbc_ambiguous P_((OnigEncoding enc, OnigAmbigType flag, const OnigUChar** pp, const OnigUChar* end));
-ONIG_EXTERN
-int onigenc_is_allowed_reverse_match P_((OnigEncoding enc, const OnigUChar* s, const OnigUChar* end));
-
-#else /* ONIG_RUBY_M17N */
-
#define ONIGENC_NAME(enc) ((enc)->name)
-#define ONIGENC_MBC_TO_NORMALIZE(enc,flag,pp,end,buf) \
- (enc)->mbc_to_normalize(flag,(const OnigUChar** )pp,end,buf)
-#define ONIGENC_IS_MBC_AMBIGUOUS(enc,flag,pp,end) \
- (enc)->is_mbc_ambiguous(flag,(const OnigUChar** )pp,end)
-#define ONIGENC_SUPPORT_AMBIG_FLAG(enc) ((enc)->support_ambig_flag)
+#define ONIGENC_MBC_CASE_FOLD(enc,flag,pp,end,buf) \
+ (enc)->mbc_case_fold(flag,(const OnigUChar** )pp,end,buf)
#define ONIGENC_IS_ALLOWED_REVERSE_MATCH(enc,s,end) \
(enc)->is_allowed_reverse_match(s,end)
#define ONIGENC_LEFT_ADJUST_CHAR_HEAD(enc,start,s) \
(enc)->left_adjust_char_head(start, s)
-#define ONIGENC_GET_ALL_PAIR_AMBIG_CODES(enc,ambig_flag,acs) \
- (enc)->get_all_pair_ambig_codes(ambig_flag,acs)
-#define ONIGENC_GET_ALL_COMP_AMBIG_CODES(enc,ambig_flag,acs) \
- (enc)->get_all_comp_ambig_codes(ambig_flag,acs)
+#define ONIGENC_APPLY_ALL_CASE_FOLD(enc,case_fold_flag,f,arg) \
+ (enc)->apply_all_case_fold(case_fold_flag,f,arg)
+#define ONIGENC_GET_CASE_FOLD_CODES_BY_STR(enc,case_fold_flag,p,end,acs) \
+ (enc)->get_case_fold_codes_by_str(case_fold_flag,p,end,acs)
#define ONIGENC_STEP_BACK(enc,start,s,n) \
onigenc_step_back((enc),(start),(s),(n))
@@ -382,6 +282,8 @@ int onigenc_is_allowed_reverse_match P_((OnigEncoding enc, const OnigUChar* s, c
#define ONIGENC_MBC_TO_CODE(enc,p,end) (enc)->mbc_to_code((p),(end))
#define ONIGENC_CODE_TO_MBCLEN(enc,code) (enc)->code_to_mbclen(code)
#define ONIGENC_CODE_TO_MBC(enc,code,buf) (enc)->code_to_mbc(code,buf)
+#define ONIGENC_PROPERTY_NAME_TO_CTYPE(enc,p,end) \
+ (enc)->property_name_to_ctype(enc,p,end)
#define ONIGENC_IS_CODE_CTYPE(enc,code,ctype) (enc)->is_code_ctype(code,ctype)
@@ -414,14 +316,12 @@ int onigenc_is_allowed_reverse_match P_((OnigEncoding enc, const OnigUChar* s, c
#define ONIGENC_IS_CODE_WORD(enc,code) \
ONIGENC_IS_CODE_CTYPE(enc,code,ONIGENC_CTYPE_WORD)
-#define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbr,mbr) \
- (enc)->get_ctype_code_range(ctype,sbr,mbr)
+#define ONIGENC_GET_CTYPE_CODE_RANGE(enc,ctype,sbout,ranges) \
+ (enc)->get_ctype_code_range(ctype,sbout,ranges)
ONIG_EXTERN
OnigUChar* onigenc_step_back P_((OnigEncoding enc, const OnigUChar* start, const OnigUChar* s, int n));
-#endif /* is not ONIG_RUBY_M17N */
-
/* encoding API */
ONIG_EXTERN
@@ -486,10 +386,11 @@ typedef unsigned int OnigOptionType;
/* syntax */
typedef struct {
- unsigned int op;
- unsigned int op2;
- unsigned int behavior;
- OnigOptionType options; /* default option */
+ unsigned int op;
+ unsigned int op2;
+ unsigned int behavior;
+ OnigOptionType options; /* default option */
+ OnigMetaCharTableType meta_char_table;
} OnigSyntaxType;
ONIG_EXTERN OnigSyntaxType OnigSyntaxASIS;
@@ -570,7 +471,7 @@ ONIG_EXTERN OnigSyntaxType* OnigDefaultSyntax;
#define ONIG_SYN_OP2_ESC_GNU_BUF_ANCHOR (1U<<15) /* \`, \' */
#define ONIG_SYN_OP2_ESC_P_BRACE_CHAR_PROPERTY (1U<<16) /* \p{...}, \P{...} */
#define ONIG_SYN_OP2_ESC_P_BRACE_CIRCUMFLEX_NOT (1U<<17) /* \p{^..}, \P{^..} */
-#define ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS (1U<<18) /* \p{IsXDigit} */
+/* #define ONIG_SYN_OP2_CHAR_PROPERTY_PREFIX_IS (1U<<18) */
#define ONIG_SYN_OP2_ESC_H_XDIGIT (1U<<19) /* \h, \H */
#define ONIG_SYN_OP2_INEFFECTIVE_ESCAPE (1U<<20) /* \ */
@@ -759,10 +660,10 @@ typedef struct re_pattern_buffer {
int repeat_range_alloc;
OnigRepeatRange* repeat_range;
- OnigEncoding enc;
+ OnigEncoding enc;
OnigOptionType options;
OnigSyntaxType* syntax;
- OnigAmbigType ambig_flag;
+ OnigCaseFoldType case_fold_flag;
void* name_table;
/* optimization info (string search, char-map and anchors) */
@@ -797,7 +698,7 @@ typedef struct {
OnigEncoding target_enc;
OnigSyntaxType* syntax;
OnigOptionType option;
- OnigAmbigType ambig_flag;
+ OnigCaseFoldType case_fold_flag;
} OnigCompileInfo;
/* Oniguruma Native API */
@@ -860,7 +761,7 @@ OnigEncoding onig_get_encoding P_((OnigRegex reg));
ONIG_EXTERN
OnigOptionType onig_get_options P_((OnigRegex reg));
ONIG_EXTERN
-OnigAmbigType onig_get_ambig_flag P_((OnigRegex reg));
+OnigCaseFoldType onig_get_case_fold_flag P_((OnigRegex reg));
ONIG_EXTERN
OnigSyntaxType* onig_get_syntax P_((OnigRegex reg));
ONIG_EXTERN
@@ -884,13 +785,13 @@ void onig_set_syntax_behavior P_((OnigSyntaxType* syntax, unsigned int behavior)
ONIG_EXTERN
void onig_set_syntax_options P_((OnigSyntaxType* syntax, OnigOptionType options));
ONIG_EXTERN
-int onig_set_meta_char P_((OnigEncoding enc, unsigned int what, OnigCodePoint code));
+int onig_set_meta_char P_((OnigSyntaxType* syntax, unsigned int what, OnigCodePoint code));
ONIG_EXTERN
void onig_copy_encoding P_((OnigEncoding to, OnigEncoding from));
ONIG_EXTERN
-OnigAmbigType onig_get_default_ambig_flag P_((void));
+OnigCaseFoldType onig_get_default_case_fold_flag P_((void));
ONIG_EXTERN
-int onig_set_default_ambig_flag P_((OnigAmbigType ambig_flag));
+int onig_set_default_case_fold_flag P_((OnigCaseFoldType case_fold_flag));
ONIG_EXTERN
unsigned int onig_get_match_stack_limit_size P_((void));
ONIG_EXTERN