diff options
author | kosako <kosako@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-08-05 13:54:40 +0000 |
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committer | kosako <kosako@b2dd03c8-39d4-4d8f-98ff-823fe69b080e> | 2006-08-05 13:54:40 +0000 |
commit | d92db05a27d7c97386dfa8bc77fb865aba9df751 (patch) | |
tree | 9c59ec892f0d242ad5dddeb62186229934c7836a /regcomp.c | |
parent | 7e10b0c4de56dd727ca6adb3264b0867b275437d (diff) | |
download | bundler-d92db05a27d7c97386dfa8bc77fb865aba9df751.tar.gz |
merge Oniguruma 4.2.2
git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@10684 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'regcomp.c')
-rw-r--r-- | regcomp.c | 159 |
1 files changed, 103 insertions, 56 deletions
@@ -1268,6 +1268,13 @@ compile_length_tree(Node* node, regex_t* reg) { BackrefNode* br = &(NBACKREF(node)); +#ifdef USE_BACKREF_AT_LEVEL + if (IS_BACKREF_NEST_LEVEL(br)) { + r = SIZE_OPCODE + SIZE_OPTION + SIZE_LENGTH + + SIZE_LENGTH + (SIZE_MEMNUM * br->back_num); + } + else +#endif if (br->back_num == 1) { r = ((!IS_IGNORECASE(reg->options) && br->back_static[0] <= 3) ? SIZE_OPCODE : (SIZE_OPCODE + SIZE_MEMNUM)); @@ -1381,9 +1388,21 @@ compile_tree(Node* node, regex_t* reg) case N_BACKREF: { - int i; BackrefNode* br = &(NBACKREF(node)); +#ifdef USE_BACKREF_AT_LEVEL + if (IS_BACKREF_NEST_LEVEL(br)) { + r = add_opcode(reg, OP_BACKREF_AT_LEVEL); + if (r) return r; + r = add_option(reg, (reg->options & ONIG_OPTION_IGNORECASE)); + if (r) return r; + r = add_length(reg, br->nest_level); + if (r) return r; + + goto add_bacref_mems; + } + else +#endif if (br->back_num == 1) { n = br->back_static[0]; if (IS_IGNORECASE(reg->options)) { @@ -1405,17 +1424,19 @@ compile_tree(Node* node, regex_t* reg) } } else { + int i; int* p; if (IS_IGNORECASE(reg->options)) { - add_opcode(reg, OP_BACKREF_MULTI_IC); + r = add_opcode(reg, OP_BACKREF_MULTI_IC); } else { - add_opcode(reg, OP_BACKREF_MULTI); + r = add_opcode(reg, OP_BACKREF_MULTI); } - if (r) return r; - add_length(reg, br->back_num); + + add_bacref_mems: + r = add_length(reg, br->back_num); if (r) return r; p = BACKREFS_P(br); for (i = br->back_num - 1; i >= 0; i--) { @@ -3088,6 +3109,11 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env) if (p[i] > env->num_mem) return ONIGERR_INVALID_BACKREF; BIT_STATUS_ON_AT(env->backrefed_mem, p[i]); BIT_STATUS_ON_AT(env->bt_mem_start, p[i]); +#ifdef USE_BACKREF_AT_LEVEL + if (IS_BACKREF_NEST_LEVEL(br)) { + BIT_STATUS_ON_AT(env->bt_mem_end, p[i]); + } +#endif SET_EFFECT_STATUS(nodes[p[i]], NST_MEM_BACKREFED); } } @@ -3235,11 +3261,9 @@ setup_tree(Node* node, regex_t* reg, int state, ScanEnv* env) #define ALLOWED_EFFECT_IN_LB_NOT 0 #define ALLOWED_ANCHOR_IN_LB \ -( ANCHOR_LOOK_BEHIND | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF ) +( ANCHOR_LOOK_BEHIND | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION ) #define ALLOWED_ANCHOR_IN_LB_NOT \ -( ANCHOR_LOOK_BEHIND_NOT | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF ) - /* can't allow all anchors, because \G in look-behind through Search(). - ex. /(?<=\G)zz/.match("azz") => success. */ +( ANCHOR_LOOK_BEHIND_NOT | ANCHOR_BEGIN_LINE | ANCHOR_END_LINE | ANCHOR_BEGIN_BUF | ANCHOR_BEGIN_POSITION ) case ANCHOR_LOOK_BEHIND: { @@ -3576,9 +3600,10 @@ copy_opt_exact_info(OptExactInfo* to, OptExactInfo* from) } static void -concat_opt_exact_info(OptExactInfo* to, OptExactInfo* add) +concat_opt_exact_info(OptExactInfo* to, OptExactInfo* add, OnigEncoding enc) { - int i, n; + int i, j, len; + UChar *p, *end; OptAncInfo tanc; if (! to->ignore_case && add->ignore_case) { @@ -3587,11 +3612,17 @@ concat_opt_exact_info(OptExactInfo* to, OptExactInfo* add) to->ignore_case = 1; } - for (i = to->len, n = 0; n < add->len && i < OPT_EXACT_MAXLEN; i++, n++) - to->s[i] = add->s[n]; + p = add->s; + end = p + add->len; + for (i = to->len; p < end; ) { + len = enc_len(enc, p); + if (i + len > OPT_EXACT_MAXLEN) break; + for (j = 0; j < len && p < end; j++) + to->s[i++] = *p++; + } to->len = i; - to->reach_end = (n == add->len ? add->reach_end : 0); + to->reach_end = (p == end ? add->reach_end : 0); concat_opt_anc_info(&tanc, &to->anc, &add->anc, 1, 1); if (! to->reach_end) tanc.right_anchor = 0; @@ -3606,15 +3637,10 @@ concat_opt_exact_info_str(OptExactInfo* to, UChar *p; for (i = to->len, p = s; p < end && i < OPT_EXACT_MAXLEN; ) { - if (raw) { + len = enc_len(enc, p); + if (i + len > OPT_EXACT_MAXLEN) break; + for (j = 0; j < len && p < end; j++) to->s[i++] = *p++; - } - else { - len = enc_len(enc, p); - if (i + len > OPT_EXACT_MAXLEN) break; - for (j = 0; j < len; j++) - to->s[i++] = *p++; - } } to->len = i; @@ -3879,11 +3905,11 @@ concat_left_node_opt_info(OnigEncoding enc, NodeOptInfo* to, NodeOptInfo* add) if (add->exb.len > 0) { if (exb_reach) { - concat_opt_exact_info(&to->exb, &add->exb); + concat_opt_exact_info(&to->exb, &add->exb, enc); clear_opt_exact_info(&add->exb); } else if (exm_reach) { - concat_opt_exact_info(&to->exm, &add->exb); + concat_opt_exact_info(&to->exm, &add->exb, enc); clear_opt_exact_info(&add->exb); } } @@ -4182,7 +4208,7 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env) if (nopt.exb.reach_end) { for (i = 2; i < qn->lower && ! is_full_opt_exact_info(&opt->exb); i++) { - concat_opt_exact_info(&opt->exb, &nopt.exb); + concat_opt_exact_info(&opt->exb, &nopt.exb, env->enc); } if (i < qn->lower) { opt->exb.reach_end = 0; @@ -4593,7 +4619,6 @@ onig_chain_reduce(regex_t* reg) { regex_t *head, *prev; - THREAD_ATOMIC_START; prev = reg; head = prev->chain; if (IS_NOT_NULL(head)) { @@ -4605,7 +4630,6 @@ onig_chain_reduce(regex_t* reg) prev->chain = (regex_t* )NULL; REGEX_TRANSFER(reg, head); } - THREAD_ATOMIC_END; } #if 0 @@ -4844,6 +4868,7 @@ onig_compile(regex_t* reg, const UChar* pattern, const UChar* pattern_end, return r; } +#ifdef USE_RECOMPILE_API extern int onig_recompile(regex_t* reg, const UChar* pattern, const UChar* pattern_end, OnigOptionType option, OnigEncoding enc, OnigSyntaxType* syntax, @@ -4862,6 +4887,7 @@ onig_recompile(regex_t* reg, const UChar* pattern, const UChar* pattern_end, } return 0; } +#endif static int onig_inited = 0; @@ -4965,14 +4991,14 @@ onig_end() onig_print_statistics(stderr); #endif -#ifdef USE_RECYCLE_NODE - onig_free_node_list(); -#endif - #ifdef USE_SHARED_CCLASS_TABLE onig_free_shared_cclass_table(); #endif +#ifdef USE_RECYCLE_NODE + onig_free_node_list(); +#endif + onig_inited = 0; THREAD_ATOMIC_END; @@ -5026,35 +5052,36 @@ OnigOpInfoType OnigOpInfo[] = { { OP_END_LINE, "end-line", ARG_NON }, { OP_SEMI_END_BUF, "semi-end-buf", ARG_NON }, { OP_BEGIN_POSITION, "begin-position", ARG_NON }, - { OP_BACKREF1, "backref1", ARG_NON }, - { OP_BACKREF2, "backref2", ARG_NON }, - { OP_BACKREF3, "backref3", ARG_NON }, - { OP_BACKREFN, "backrefn", ARG_MEMNUM }, - { OP_BACKREFN_IC, "backrefn-ic", ARG_SPECIAL }, - { OP_BACKREF_MULTI, "backref_multi", ARG_SPECIAL }, - { OP_BACKREF_MULTI_IC, "backref_multi-ic",ARG_SPECIAL }, - { OP_MEMORY_START_PUSH, "mem-start-push", ARG_MEMNUM }, - { OP_MEMORY_START, "mem-start", ARG_MEMNUM }, + { OP_BACKREF1, "backref1", ARG_NON }, + { OP_BACKREF2, "backref2", ARG_NON }, + { OP_BACKREF3, "backref3", ARG_NON }, + { OP_BACKREFN, "backrefn", ARG_MEMNUM }, + { OP_BACKREFN_IC, "backrefn-ic", ARG_SPECIAL }, + { OP_BACKREF_MULTI, "backref_multi", ARG_SPECIAL }, + { OP_BACKREF_MULTI_IC, "backref_multi-ic", ARG_SPECIAL }, + { OP_BACKREF_AT_LEVEL, "backref_at_level", ARG_SPECIAL }, + { OP_MEMORY_START_PUSH, "mem-start-push", ARG_MEMNUM }, + { OP_MEMORY_START, "mem-start", ARG_MEMNUM }, { OP_MEMORY_END_PUSH, "mem-end-push", ARG_MEMNUM }, { OP_MEMORY_END_PUSH_REC, "mem-end-push-rec", ARG_MEMNUM }, { OP_MEMORY_END, "mem-end", ARG_MEMNUM }, { OP_MEMORY_END_REC, "mem-end-rec", ARG_MEMNUM }, - { OP_SET_OPTION_PUSH, "set-option-push", ARG_OPTION }, - { OP_SET_OPTION, "set-option", ARG_OPTION }, - { OP_FAIL, "fail", ARG_NON }, - { OP_JUMP, "jump", ARG_RELADDR }, - { OP_PUSH, "push", ARG_RELADDR }, - { OP_POP, "pop", ARG_NON }, - { OP_PUSH_OR_JUMP_EXACT1, "push-or-jump-e1", ARG_SPECIAL }, - { OP_PUSH_IF_PEEK_NEXT, "push-if-peek-next", ARG_SPECIAL }, - { OP_REPEAT, "repeat", ARG_SPECIAL }, - { OP_REPEAT_NG, "repeat-ng", ARG_SPECIAL }, - { OP_REPEAT_INC, "repeat-inc", ARG_MEMNUM }, - { OP_REPEAT_INC_NG, "repeat-inc-ng", ARG_MEMNUM }, - { OP_REPEAT_INC_SG, "repeat-inc-sg", ARG_MEMNUM }, - { OP_REPEAT_INC_NG_SG, "repeat-inc-ng-sg", ARG_MEMNUM }, - { OP_NULL_CHECK_START, "null-check-start",ARG_MEMNUM }, - { OP_NULL_CHECK_END, "null-check-end", ARG_MEMNUM }, + { OP_SET_OPTION_PUSH, "set-option-push", ARG_OPTION }, + { OP_SET_OPTION, "set-option", ARG_OPTION }, + { OP_FAIL, "fail", ARG_NON }, + { OP_JUMP, "jump", ARG_RELADDR }, + { OP_PUSH, "push", ARG_RELADDR }, + { OP_POP, "pop", ARG_NON }, + { OP_PUSH_OR_JUMP_EXACT1, "push-or-jump-e1", ARG_SPECIAL }, + { OP_PUSH_IF_PEEK_NEXT, "push-if-peek-next", ARG_SPECIAL }, + { OP_REPEAT, "repeat", ARG_SPECIAL }, + { OP_REPEAT_NG, "repeat-ng", ARG_SPECIAL }, + { OP_REPEAT_INC, "repeat-inc", ARG_MEMNUM }, + { OP_REPEAT_INC_NG, "repeat-inc-ng", ARG_MEMNUM }, + { OP_REPEAT_INC_SG, "repeat-inc-sg", ARG_MEMNUM }, + { OP_REPEAT_INC_NG_SG, "repeat-inc-ng-sg", ARG_MEMNUM }, + { OP_NULL_CHECK_START, "null-check-start", ARG_MEMNUM }, + { OP_NULL_CHECK_END, "null-check-end", ARG_MEMNUM }, { OP_NULL_CHECK_END_MEMST,"null-check-end-memst", ARG_MEMNUM }, { OP_NULL_CHECK_END_MEMST_PUSH,"null-check-end-memst-push", ARG_MEMNUM }, { OP_PUSH_POS, "push-pos", ARG_NON }, @@ -5286,6 +5313,26 @@ onig_print_compiled_byte_code(FILE* f, UChar* bp, UChar** nextp, } break; + case OP_BACKREF_AT_LEVEL: + { + OnigOptionType option; + LengthType level; + + GET_OPTION_INC(option, bp); + fprintf(f, ":%d", option); + GET_LENGTH_INC(level, bp); + fprintf(f, ":%d", level); + + fputs(" ", f); + GET_LENGTH_INC(len, bp); + for (i = 0; i < len; i++) { + GET_MEMNUM_INC(mem, bp); + if (i > 0) fputs(", ", f); + fprintf(f, "%d", mem); + } + } + break; + case OP_REPEAT: case OP_REPEAT_NG: { |