aboutsummaryrefslogtreecommitdiffstats
path: root/src/qml/qml/v4vm/qv4regexp.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/qml/qml/v4vm/qv4regexp.cpp')
-rw-r--r--src/qml/qml/v4vm/qv4regexp.cpp167
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
+
+