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8a9993d @nobu * eval_intern.h, insnhelper.h, thread_pthread.h, vm_core.h, vm_opts.h:
nobu authored
1 #ifndef ONIGURUMA_REGPARSE_H
2 #define ONIGURUMA_REGPARSE_H
5770336 Initial revision
ksaito authored
3 /**********************************************************************
4 regparse.h - Oniguruma (regular expression library)
5 **********************************************************************/
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
6 /*-
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
7 * Copyright (c) 2002-2007 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
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 */
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31
32 #include "regint.h"
33
0bd71ff @nobu * configure.in (XCFLAGS): use -fvisibility=hidden if possible.
nobu authored
34 #if defined __GNUC__ && __GNUC__ >= 4
35 #pragma GCC visibility push(default)
36 #endif
37
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ksaito authored
38 /* node type */
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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39 #define NT_STR 0
40 #define NT_CCLASS 1
41 #define NT_CTYPE 2
42 #define NT_CANY 3
43 #define NT_BREF 4
44 #define NT_QTFR 5
45 #define NT_ENCLOSE 6
46 #define NT_ANCHOR 7
47 #define NT_LIST 8
48 #define NT_ALT 9
49 #define NT_CALL 10
50
51 /* node type bit */
52 #define NTYPE2BIT(type) (1<<(type))
53
54 #define BIT_NT_STR NTYPE2BIT(NT_STR)
55 #define BIT_NT_CCLASS NTYPE2BIT(NT_CCLASS)
56 #define BIT_NT_CTYPE NTYPE2BIT(NT_CTYPE)
57 #define BIT_NT_CANY NTYPE2BIT(NT_CANY)
58 #define BIT_NT_BREF NTYPE2BIT(NT_BREF)
59 #define BIT_NT_QTFR NTYPE2BIT(NT_QTFR)
60 #define BIT_NT_ENCLOSE NTYPE2BIT(NT_ENCLOSE)
61 #define BIT_NT_ANCHOR NTYPE2BIT(NT_ANCHOR)
62 #define BIT_NT_LIST NTYPE2BIT(NT_LIST)
63 #define BIT_NT_ALT NTYPE2BIT(NT_ALT)
64 #define BIT_NT_CALL NTYPE2BIT(NT_CALL)
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65
66 #define IS_NODE_TYPE_SIMPLE(type) \
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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67 ((NTYPE2BIT(type) & (BIT_NT_STR | BIT_NT_CCLASS | BIT_NT_CTYPE |\
68 BIT_NT_CANY | BIT_NT_BREF)) != 0)
69
70 #define NTYPE(node) ((node)->u.base.type)
71 #define SET_NTYPE(node, ntype) (node)->u.base.type = (ntype)
72
73 #define NSTR(node) (&((node)->u.str))
74 #define NCCLASS(node) (&((node)->u.cclass))
75 #define NCTYPE(node) (&((node)->u.ctype))
76 #define NBREF(node) (&((node)->u.bref))
77 #define NQTFR(node) (&((node)->u.qtfr))
78 #define NENCLOSE(node) (&((node)->u.enclose))
79 #define NANCHOR(node) (&((node)->u.anchor))
80 #define NCONS(node) (&((node)->u.cons))
81 #define NCALL(node) (&((node)->u.call))
82
83 #define NCAR(node) (NCONS(node)->car)
84 #define NCDR(node) (NCONS(node)->cdr)
85
86
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87
c37c541 merge Oniguruma 4.0.1
kosako authored
88 #define ANCHOR_ANYCHAR_STAR_MASK (ANCHOR_ANYCHAR_STAR | ANCHOR_ANYCHAR_STAR_ML)
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ksaito authored
89 #define ANCHOR_END_BUF_MASK (ANCHOR_END_BUF | ANCHOR_SEMI_END_BUF)
90
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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91 #define ENCLOSE_MEMORY (1<<0)
92 #define ENCLOSE_OPTION (1<<1)
93 #define ENCLOSE_STOP_BACKTRACK (1<<2)
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94
95 #define NODE_STR_MARGIN 16
96 #define NODE_STR_BUF_SIZE 24 /* sizeof(CClassNode) - sizeof(int)*4 */
d92db05 merge Oniguruma 4.2.2
kosako authored
97 #define NODE_BACKREFS_SIZE 6
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98
99 #define NSTR_RAW (1<<0) /* by backslashed number */
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
100 #define NSTR_AMBIG (1<<1)
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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101 #define NSTR_DONT_GET_OPT_INFO (1<<2)
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102
48de1e2 @nurse * addr2line.c: suppressed shorten-64-to-32 warnings.
nurse authored
103 #define NSTRING_LEN(node) (OnigDistance)((node)->u.str.end - (node)->u.str.s)
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
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104 #define NSTRING_SET_RAW(node) (node)->u.str.flag |= NSTR_RAW
105 #define NSTRING_CLEAR_RAW(node) (node)->u.str.flag &= ~NSTR_RAW
106 #define NSTRING_SET_AMBIG(node) (node)->u.str.flag |= NSTR_AMBIG
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
107 #define NSTRING_SET_DONT_GET_OPT_INFO(node) \
108 (node)->u.str.flag |= NSTR_DONT_GET_OPT_INFO
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
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109 #define NSTRING_IS_RAW(node) (((node)->u.str.flag & NSTR_RAW) != 0)
110 #define NSTRING_IS_AMBIG(node) (((node)->u.str.flag & NSTR_AMBIG) != 0)
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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111 #define NSTRING_IS_DONT_GET_OPT_INFO(node) \
112 (((node)->u.str.flag & NSTR_DONT_GET_OPT_INFO) != 0)
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113
114 #define BACKREFS_P(br) \
115 (IS_NOT_NULL((br)->back_dynamic) ? (br)->back_dynamic : (br)->back_static);
116
117 #define NQ_TARGET_ISNOT_EMPTY 0
118 #define NQ_TARGET_IS_EMPTY 1
119 #define NQ_TARGET_IS_EMPTY_MEM 2
120 #define NQ_TARGET_IS_EMPTY_REC 3
121
122 /* status bits */
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123 #define NST_MIN_FIXED (1<<0)
124 #define NST_MAX_FIXED (1<<1)
125 #define NST_CLEN_FIXED (1<<2)
126 #define NST_MARK1 (1<<3)
127 #define NST_MARK2 (1<<4)
128 #define NST_MEM_BACKREFED (1<<5)
129 #define NST_STOP_BT_SIMPLE_REPEAT (1<<6)
130 #define NST_RECURSION (1<<7)
131 #define NST_CALLED (1<<8)
132 #define NST_ADDR_FIXED (1<<9)
133 #define NST_NAMED_GROUP (1<<10)
134 #define NST_NAME_REF (1<<11)
135 #define NST_IN_REPEAT (1<<12) /* STK_REPEAT is nested in stack. */
d92db05 merge Oniguruma 4.2.2
kosako authored
136 #define NST_NEST_LEVEL (1<<13)
0046f35 merge Oniguruma 4.4.0
kosako authored
137 #define NST_BY_NUMBER (1<<14) /* {n,m} */
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ksaito authored
138
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
matz authored
139 #define SET_ENCLOSE_STATUS(node,f) (node)->u.enclose.state |= (f)
140 #define CLEAR_ENCLOSE_STATUS(node,f) (node)->u.enclose.state &= ~(f)
141
142 #define IS_ENCLOSE_CALLED(en) (((en)->state & NST_CALLED) != 0)
143 #define IS_ENCLOSE_ADDR_FIXED(en) (((en)->state & NST_ADDR_FIXED) != 0)
144 #define IS_ENCLOSE_RECURSION(en) (((en)->state & NST_RECURSION) != 0)
145 #define IS_ENCLOSE_MARK1(en) (((en)->state & NST_MARK1) != 0)
146 #define IS_ENCLOSE_MARK2(en) (((en)->state & NST_MARK2) != 0)
147 #define IS_ENCLOSE_MIN_FIXED(en) (((en)->state & NST_MIN_FIXED) != 0)
148 #define IS_ENCLOSE_MAX_FIXED(en) (((en)->state & NST_MAX_FIXED) != 0)
149 #define IS_ENCLOSE_CLEN_FIXED(en) (((en)->state & NST_CLEN_FIXED) != 0)
150 #define IS_ENCLOSE_STOP_BT_SIMPLE_REPEAT(en) \
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
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151 (((en)->state & NST_STOP_BT_SIMPLE_REPEAT) != 0)
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
matz authored
152 #define IS_ENCLOSE_NAMED_GROUP(en) (((en)->state & NST_NAMED_GROUP) != 0)
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153
154 #define SET_CALL_RECURSION(node) (node)->u.call.state |= NST_RECURSION
155 #define IS_CALL_RECURSION(cn) (((cn)->state & NST_RECURSION) != 0)
156 #define IS_CALL_NAME_REF(cn) (((cn)->state & NST_NAME_REF) != 0)
157 #define IS_BACKREF_NAME_REF(bn) (((bn)->state & NST_NAME_REF) != 0)
d92db05 merge Oniguruma 4.2.2
kosako authored
158 #define IS_BACKREF_NEST_LEVEL(bn) (((bn)->state & NST_NEST_LEVEL) != 0)
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
159 #define IS_QUANTIFIER_IN_REPEAT(qn) (((qn)->state & NST_IN_REPEAT) != 0)
160 #define IS_QUANTIFIER_BY_NUMBER(qn) (((qn)->state & NST_BY_NUMBER) != 0)
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161
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
matz authored
162 #define CALLNODE_REFNUM_UNDEF -1
163
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ksaito authored
164 typedef struct {
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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165 NodeBase base;
166 UChar* s;
167 UChar* end;
168 unsigned int flag;
169 int capa; /* (allocated size - 1) or 0: use buf[] */
170 UChar buf[NODE_STR_BUF_SIZE];
171 } StrNode;
172
173 typedef struct {
174 NodeBase base;
175 int state;
176 struct _Node* target;
177 int lower;
178 int upper;
179 int greedy;
180 int target_empty_info;
181 struct _Node* head_exact;
182 struct _Node* next_head_exact;
183 int is_refered; /* include called node. don't eliminate even if {0} */
184 #ifdef USE_COMBINATION_EXPLOSION_CHECK
185 int comb_exp_check_num; /* 1,2,3...: check, 0: no check */
186 #endif
187 } QtfrNode;
188
189 typedef struct {
190 NodeBase base;
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191 int state;
192 int type;
193 int regnum;
194 OnigOptionType option;
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
195 struct _Node* target;
196 AbsAddrType call_addr;
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197 /* for multiple call reference */
198 OnigDistance min_len; /* min length (byte) */
001d393 @nobu * id.h, include/ruby/{intern,oniguruma}.h, regenc.h, regparse.h,
nobu authored
199 OnigDistance max_len; /* max length (byte) */
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
200 int char_len; /* character length */
201 int opt_count; /* referenced count in optimize_node_left() */
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
matz authored
202 } EncloseNode;
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203
204 #ifdef USE_SUBEXP_CALL
205
206 typedef struct {
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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207 int offset;
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208 struct _Node* target;
209 } UnsetAddr;
210
211 typedef struct {
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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212 int num;
213 int alloc;
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214 UnsetAddr* us;
215 } UnsetAddrList;
216
217 typedef struct {
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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218 NodeBase base;
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219 int state;
52ed8c4 * include/ruby/oniguruma.h: Oniguruma 1.9.1 merged.
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220 int group_num;
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221 UChar* name;
222 UChar* name_end;
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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223 struct _Node* target; /* EncloseNode : ENCLOSE_MEMORY */
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224 UnsetAddrList* unset_addr_list;
225 } CallNode;
226
227 #endif
228
229 typedef struct {
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230 NodeBase base;
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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231 int state;
232 int back_num;
233 int back_static[NODE_BACKREFS_SIZE];
234 int* back_dynamic;
235 int nest_level;
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
matz authored
236 } BRefNode;
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237
238 typedef struct {
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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239 NodeBase base;
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240 int type;
241 struct _Node* target;
242 int char_len;
243 } AnchorNode;
244
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
matz authored
245 typedef struct {
246 NodeBase base;
247 struct _Node* car;
248 struct _Node* cdr;
249 } ConsAltNode;
250
251 typedef struct {
252 NodeBase base;
253 int ctype;
254 int not;
255 } CtypeNode;
256
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257 typedef struct _Node {
258 union {
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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259 NodeBase base;
260 StrNode str;
261 CClassNode cclass;
262 QtfrNode qtfr;
263 EncloseNode enclose;
264 BRefNode bref;
265 AnchorNode anchor;
266 ConsAltNode cons;
267 CtypeNode ctype;
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268 #ifdef USE_SUBEXP_CALL
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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269 CallNode call;
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270 #endif
271 } u;
272 } Node;
273
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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274
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ksaito authored
275 #define NULL_NODE ((Node* )0)
276
277 #define SCANENV_MEMNODES_SIZE 8
278 #define SCANENV_MEM_NODES(senv) \
279 (IS_NOT_NULL((senv)->mem_nodes_dynamic) ? \
280 (senv)->mem_nodes_dynamic : (senv)->mem_nodes_static)
281
282 typedef struct {
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
283 OnigOptionType option;
284 OnigCaseFoldType case_fold_flag;
285 OnigEncoding enc;
4f57266 @nobu * regexec.c (stack_double): use MatchStackLimitSize atomically.
nobu authored
286 const OnigSyntaxType* syntax;
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
287 BitStatusType capture_history;
288 BitStatusType bt_mem_start;
289 BitStatusType bt_mem_end;
290 BitStatusType backrefed_mem;
291 UChar* pattern;
292 UChar* pattern_end;
293 UChar* error;
294 UChar* error_end;
295 regex_t* reg; /* for reg->names only */
296 int num_call;
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297 #ifdef USE_SUBEXP_CALL
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
298 UnsetAddrList* unset_addr_list;
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299 #endif
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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300 int num_mem;
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301 #ifdef USE_NAMED_GROUP
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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302 int num_named;
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303 #endif
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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304 int mem_alloc;
305 Node* mem_nodes_static[SCANENV_MEMNODES_SIZE];
306 Node** mem_nodes_dynamic;
0046f35 merge Oniguruma 4.4.0
kosako authored
307 #ifdef USE_COMBINATION_EXPLOSION_CHECK
308 int num_comb_exp_check;
309 int comb_exp_max_regnum;
310 int curr_max_regnum;
311 int has_recursion;
312 #endif
60ab77a @nurse Warn duplicated characters in character class of regexp. [ruby-core:2…
nurse authored
313 int warnings_flag;
6ab36c6 @nurse *regparse.c (CC_DUP_WARN): use rb_compile_warn if ScanEnv has source
nurse authored
314 const char* sourcefile;
315 int sourceline;
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ksaito authored
316 } ScanEnv;
317
318
319 #define IS_SYNTAX_OP(syn, opm) (((syn)->op & (opm)) != 0)
320 #define IS_SYNTAX_OP2(syn, opm) (((syn)->op2 & (opm)) != 0)
321 #define IS_SYNTAX_BV(syn, bvm) (((syn)->behavior & (bvm)) != 0)
322
a19d6b3 * ascii.c, euc_jp.c, hash.c, oniggnu.h, oniguruma.h, regcomp.c, regen…
ksaito authored
323 #ifdef USE_NAMED_GROUP
324 typedef struct {
325 int new_val;
326 } GroupNumRemap;
327
328 extern int onig_renumber_name_table P_((regex_t* reg, GroupNumRemap* map));
329 #endif
330
be587c7 * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
331 extern int onig_strncmp P_((const UChar* s1, const UChar* s2, int n));
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
332 extern void onig_strcpy P_((UChar* dest, const UChar* src, const UChar* end));
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ksaito authored
333 extern void onig_scan_env_set_error_string P_((ScanEnv* env, int ecode, UChar* arg, UChar* arg_end));
be587c7 * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
334 extern int onig_scan_unsigned_number P_((UChar** src, const UChar* end, OnigEncoding enc));
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
335 extern void onig_reduce_nested_quantifier P_((Node* pnode, Node* cnode));
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336 extern void onig_node_conv_to_str_node P_((Node* node, int raw));
be587c7 * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
337 extern int onig_node_str_cat P_((Node* node, const UChar* s, const UChar* end));
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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338 extern int onig_node_str_set P_((Node* node, const UChar* s, const UChar* end));
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339 extern void onig_node_free P_((Node* node));
e1def8a * include/ruby/oniguruma.h: upgrade to Oniguruma 5.9.0. fixes
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340 extern Node* onig_node_new_enclose P_((int type));
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341 extern Node* onig_node_new_anchor P_((int type));
be587c7 * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
342 extern Node* onig_node_new_str P_((const UChar* s, const UChar* end));
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
343 extern Node* onig_node_new_list P_((Node* left, Node* right));
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
matz authored
344 extern Node* onig_node_list_add P_((Node* list, Node* x));
345 extern Node* onig_node_new_alt P_((Node* left, Node* right));
82cb9ea * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
346 extern void onig_node_str_clear P_((Node* node));
6ee2e54 * oniguruma.h: updated to Oniguruma 5.7.0.
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347 extern int onig_free_node_list P_((void));
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348 extern int onig_names_free P_((regex_t* reg));
be587c7 * ascii.c, euc_jp.c, oniggnu.h, oniguruma.h, regcomp.c, regenc.c, reg…
ksaito authored
349 extern int onig_parse_make_tree P_((Node** root, const UChar* pattern, const UChar* end, regex_t* reg, ScanEnv* env));
52ed8c4 * include/ruby/oniguruma.h: Oniguruma 1.9.1 merged.
matz authored
350 extern int onig_free_shared_cclass_table P_((void));
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351
352 #ifdef ONIG_DEBUG
353 #ifdef USE_NAMED_GROUP
354 extern int onig_print_names(FILE*, regex_t*);
355 #endif
356 #endif
357
0bd71ff @nobu * configure.in (XCFLAGS): use -fvisibility=hidden if possible.
nobu authored
358 #if defined __GNUC__ && __GNUC__ >= 4
359 #pragma GCC visibility pop
360 #endif
361
8a9993d @nobu * eval_intern.h, insnhelper.h, thread_pthread.h, vm_core.h, vm_opts.h:
nobu authored
362 #endif /* ONIGURUMA_REGPARSE_H */
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