diff options
Diffstat (limited to 'src/qml/qml/v4vm/qv4regexp.cpp')
-rw-r--r-- | src/qml/qml/v4vm/qv4regexp.cpp | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/src/qml/qml/v4vm/qv4regexp.cpp b/src/qml/qml/v4vm/qv4regexp.cpp new file mode 100644 index 0000000000..c0f7cee51d --- /dev/null +++ b/src/qml/qml/v4vm/qv4regexp.cpp @@ -0,0 +1,167 @@ +/**************************************************************************** +** +** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). +** Contact: http://www.qt-project.org/legal +** +** This file is part of the V4VM module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** Commercial License Usage +** Licensees holding valid commercial Qt licenses may use this file in +** accordance with the commercial license agreement provided with the +** Software or, alternatively, in accordance with the terms contained in +** a written agreement between you and Digia. For licensing terms and +** conditions see http://qt.digia.com/licensing. For further information +** use the contact form at http://qt.digia.com/contact-us. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Digia gives you certain additional +** rights. These rights are described in the Digia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** GNU General Public License Usage +** Alternatively, this file may be used under the terms of the GNU +** General Public License version 3.0 as published by the Free Software +** Foundation and appearing in the file LICENSE.GPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU General Public License version 3.0 requirements will be +** met: http://www.gnu.org/copyleft/gpl.html. +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qv4regexp.h" + +#include "qv4engine.h" + +namespace QQmlJS { +namespace VM { + +RegExpCache::~RegExpCache() +{ + for (RegExpCache::Iterator it = begin(), e = end(); + it != e; ++it) + it.value()->m_cache = 0; + clear(); +} + +DEFINE_MANAGED_VTABLE(RegExp); + +uint RegExp::match(const QString &string, int start, uint *matchOffsets) const +{ + if (!isValid()) + return JSC::Yarr::offsetNoMatch; + + return JSC::Yarr::interpret(m_byteCode.get(), WTF::String(string).characters16(), string.length(), start, matchOffsets); +} + +RegExp* RegExp::create(ExecutionEngine* engine, const QString& pattern, bool ignoreCase, bool multiline) +{ + RegExpCacheKey key(pattern, ignoreCase, multiline); + + RegExpCache *cache = engine->regExpCache; + if (cache) { + if (RegExp *result = cache->value(key)) + return result; + } + + RegExp *result = new (engine->memoryManager) RegExp(engine, pattern, ignoreCase, multiline); + + if (!cache) + cache = engine->regExpCache = new RegExpCache; + + result->m_cache = cache; + cache->insert(key, result); + + return result; +} + +RegExp::RegExp(ExecutionEngine* engine, const QString &pattern, bool ignoreCase, bool multiline) + : m_pattern(pattern) + , m_cache(0) + , m_subPatternCount(0) + , m_ignoreCase(ignoreCase) + , m_multiLine(multiline) +{ + vtbl = &static_vtbl; + type = Type_RegExpObject; + + if (!engine) + return; + const char* error = 0; + JSC::Yarr::YarrPattern yarrPattern(WTF::String(pattern), ignoreCase, multiline, &error); + if (error) + return; + m_subPatternCount = yarrPattern.m_numSubpatterns; + m_byteCode = JSC::Yarr::byteCompile(yarrPattern, &engine->bumperPointerAllocator); +} + +RegExp::~RegExp() +{ + if (m_cache) { + RegExpCacheKey key(this); + m_cache->remove(key); + } + _data = 0; +} + +void RegExp::destroy(Managed *that) +{ + static_cast<RegExp*>(that)->~RegExp(); +} + +void RegExp::markObjects(Managed *that) +{ +} + +Value RegExp::get(Managed *m, ExecutionContext *ctx, String *name, bool *hasProperty) +{ + return Value::undefinedValue(); +} + +Value RegExp::getIndexed(Managed *m, ExecutionContext *ctx, uint index, bool *hasProperty) +{ + return Value::undefinedValue(); +} + +void RegExp::put(Managed *m, ExecutionContext *ctx, String *name, const Value &value) +{ +} + +void RegExp::putIndexed(Managed *m, ExecutionContext *ctx, uint index, const Value &value) +{ +} + +PropertyAttributes RegExp::query(Managed *m, ExecutionContext *ctx, String *name) +{ + return Attr_Invalid; +} + +PropertyAttributes RegExp::queryIndexed(Managed *m, ExecutionContext *ctx, uint index) +{ + return Attr_Invalid; +} + +bool RegExp::deleteProperty(Managed *m, ExecutionContext *ctx, String *name) +{ + return false; +} + +bool RegExp::deleteIndexedProperty(Managed *m, ExecutionContext *ctx, uint index) +{ + return false; +} + +} // end of namespace VM +} // end of namespace QQmlJS + + |