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* regexec.c (onig_search): don't skip non-ANYCHARs when

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.* fails to match. This causes to fail matching
  ANYCHAR_STAR with LOOK_BEHIND. This fix is workaround
  and disable the optimization. [ruby-dev:41851]

git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@28648 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
This commit is contained in:
naruse 2010-07-15 06:55:42 +00:00
parent 1df8d6dbc3
commit b4608406f1
3 changed files with 12 additions and 5 deletions
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7
ChangeLog
View file

@ -1,3 +1,10 @@
Thu Jul 15 15:47:32 2010 NARUSE, Yui <naruse@ruby-lang.org>
* regexec.c (onig_search): don't skip non-ANYCHARs when
.* fails to match. This causes to fail matching
ANYCHAR_STAR with LOOK_BEHIND. This fix is workaround
and disable the optimization. [ruby-dev:41851]
Thu Jul 15 06:11:29 2010 Aaron Patterson <aaron@tenderlovemaking.com>
* lib/rdoc/markup/attribute_manager.rb: fixing ri output when special

5
regexec.c
View file

@ -3636,11 +3636,6 @@ onig_search(regex_t* reg, const UChar* str, const UChar* end,
MATCH_AND_RETURN_CHECK(orig_range);
prev = s;
s += enclen(reg->enc, s, end);
while (!ONIGENC_IS_MBC_NEWLINE(reg->enc, prev, end) && s < range) {
prev = s;
s += enclen(reg->enc, s, end);
}
} while (s < range);
goto mismatch;
}

5
test/ruby/test_regexp.rb
View file

@ -11,6 +11,11 @@ class TestRegexp < Test::Unit::TestCase
$VERBOSE = @verbose
end
def test_ruby_dev_999
assert_match(/(?<=a).*b/, "aab")
assert_match(/(?<=\u3042).*b/, "\u3042ab")
end
def test_ruby_core_27247
assert_match(/(a){2}z/, "aaz")
end