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merge revision(s) 39547: [Backport #7972] [Backport #7974]

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* Merge Onigmo 0fe387da2fee089254f6b04990541c731a26757f
	  v5.13.3 [Bug#7972] [Bug#7974]


git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/branches/ruby_2_0_0@39953 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
nagachika 2013-03-26 17:59:06 +00:00
parent 5c2169d4c7
commit 0ce7a947d5
9 changed files with 81 additions and 57 deletions
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33
regcomp.c
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@ -3,7 +3,7 @@
**********************************************************************/
/*-
* Copyright (c) 2002-2008 K.Kosako <sndgk393 AT ybb DOT ne DOT jp>
* Copyright (c) 2011-2012 K.Takata <kentkt AT csc DOT jp>
* Copyright (c) 2011-2013 K.Takata <kentkt AT csc DOT jp>
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
@ -118,7 +118,7 @@ static int
bitset_is_empty(BitSetRef bs)
{
int i;
for (i = 0; i < (int )BITSET_SIZE; i++) {
for (i = 0; i < BITSET_SIZE; i++) {
if (bs[i] != 0) return 0;
}
return 1;
@ -4311,7 +4311,7 @@ typedef struct {
OptAncInfo anc;
int reach_end;
int ignore_case;
int ignore_case; /* -1: unset, 0: case sensitive, 1: ignore case */
int len;
UChar s[OPT_EXACT_MAXLEN];
} OptExactInfo;
@ -4548,7 +4548,7 @@ clear_opt_exact_info(OptExactInfo* ex)
clear_mml(&ex->mmd);
clear_opt_anc_info(&ex->anc);
ex->reach_end = 0;
ex->ignore_case = 0;
ex->ignore_case = -1; /* unset */
ex->len = 0;
ex->s[0] = '\0';
}
@ -4566,11 +4566,10 @@ concat_opt_exact_info(OptExactInfo* to, OptExactInfo* add, OnigEncoding enc)
UChar *p, *end;
OptAncInfo tanc;
if (! to->ignore_case && add->ignore_case) {
if (to->len >= add->len) return ; /* avoid */
to->ignore_case = 1;
}
if (to->ignore_case < 0)
to->ignore_case = add->ignore_case;
else if (to->ignore_case != add->ignore_case)
return ; /* avoid */
p = add->s;
end = p + add->len;
@ -4636,7 +4635,10 @@ alt_merge_opt_exact_info(OptExactInfo* to, OptExactInfo* add, OptEnv* env)
to->reach_end = 0;
}
to->len = i;
to->ignore_case |= add->ignore_case;
if (to->ignore_case < 0)
to->ignore_case = add->ignore_case;
else if (add->ignore_case >= 0)
to->ignore_case |= add->ignore_case;
alt_merge_opt_anc_info(&to->anc, &add->anc);
if (! to->reach_end) to->anc.right_anchor = 0;
@ -4666,8 +4668,8 @@ select_opt_exact_info(OnigEncoding enc, OptExactInfo* now, OptExactInfo* alt)
if (alt->len > 1) v2 += 5;
}
if (now->ignore_case == 0) v1 *= 2;
if (alt->ignore_case == 0) v2 *= 2;
if (now->ignore_case <= 0) v1 *= 2;
if (alt->ignore_case <= 0) v2 *= 2;
if (comp_distance_value(&now->mmd, &alt->mmd, v1, v2) > 0)
copy_opt_exact_info(now, alt);
@ -4765,7 +4767,7 @@ comp_opt_exact_or_map_info(OptExactInfo* e, OptMapInfo* m)
if (m->value <= 0) return -1;
ve = COMP_EM_BASE * e->len * (e->ignore_case ? 1 : 2);
ve = COMP_EM_BASE * e->len * (e->ignore_case > 0 ? 1 : 2);
vm = COMP_EM_BASE * 5 * 2 / m->value;
return comp_distance_value(&e->mmd, &m->mmd, ve, vm);
}
@ -4947,7 +4949,8 @@ optimize_node_left(Node* node, NodeOptInfo* opt, OptEnv* env)
if (! NSTRING_IS_AMBIG(node)) {
concat_opt_exact_info_str(&opt->exb, sn->s, sn->end,
NSTRING_IS_RAW(node), env->enc);
is_raw, env->enc);
opt->exb.ignore_case = 0;
if (slen > 0) {
add_char_opt_map_info(&opt->map, *(sn->s), env->enc);
}
@ -5260,7 +5263,7 @@ set_optimize_exact_info(regex_t* reg, OptExactInfo* e)
allow_reverse =
ONIGENC_IS_ALLOWED_REVERSE_MATCH(reg->enc, reg->exact, reg->exact_end);
if (e->ignore_case) {
if (e->ignore_case > 0) {
if (e->len >= 3 || (e->len >= 2 && allow_reverse)) {
r = set_bm_skip(reg->exact, reg->exact_end, reg,
reg->map, &(reg->int_map), 1);