2009-07-03 Yong Li <yong.li@torchmobile.com>
Reviewed by Maciej Stachowiak (and revised slightly)
RegExp::match to be optimized
https://bugs.webkit.org/show_bug.cgi?id=26957
Allow regexp matching to use Vectors with inline capacity instead of
allocating a new ovector buffer every time.
~5% speedup on SunSpider string-unpack-code test, 0.3% on SunSpider overall.
* runtime/RegExp.cpp:
(JSC::RegExp::match):
* runtime/RegExp.h:
* runtime/RegExpConstructor.cpp:
(JSC::RegExpConstructorPrivate::RegExpConstructorPrivate):
(JSC::RegExpConstructorPrivate::lastOvector):
(JSC::RegExpConstructorPrivate::tempOvector):
(JSC::RegExpConstructorPrivate::changeLastOvector):
(JSC::RegExpConstructor::performMatch):
(JSC::RegExpMatchesArray::RegExpMatchesArray):
(JSC::RegExpMatchesArray::fillArrayInstance):
(JSC::RegExpConstructor::getBackref):
(JSC::RegExpConstructor::getLastParen):
(JSC::RegExpConstructor::getLeftContext):
(JSC::RegExpConstructor::getRightContext):
* runtime/StringPrototype.cpp:
(JSC::stringProtoFuncSplit):
git-svn-id: http://svn.webkit.org/repository/webkit/trunk@45545 268f45cc-cd09-0410-ab3c-d52691b4dbfc
diff --git a/JavaScriptCore/runtime/RegExp.h b/JavaScriptCore/runtime/RegExp.h
index f3be656..24d4199 100644
--- a/JavaScriptCore/runtime/RegExp.h
+++ b/JavaScriptCore/runtime/RegExp.h
@@ -1,6 +1,7 @@
/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2007, 2008, 2009 Apple Inc. All rights reserved.
+ * Copyright (C) 2009 Torch Mobile, Inc.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
@@ -53,7 +54,7 @@
bool isValid() const { return !m_constructionError; }
const char* errorMessage() const { return m_constructionError; }
- int match(const UString&, int startOffset, OwnArrayPtr<int>* ovector = 0);
+ int match(const UString&, int startOffset, Vector<int, 32>* ovector = 0);
unsigned numSubpatterns() const { return m_numSubpatterns; }
private:
