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-rw-r--r--src/script/api/qscriptengine.cpp60
1 files changed, 36 insertions, 24 deletions
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index 2b60a46..dc0e0d0 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -6,35 +6,17 @@
**
** This file is part of the QtScript module of the Qt Toolkit.
**
-** $QT_BEGIN_LICENSE:LGPL$
-** No Commercial Usage
-** This file contains pre-release code and may not be distributed.
-** You may use this file in accordance with the terms and conditions
-** contained in the Technology Preview License Agreement accompanying
-** this package.
-**
+** $QT_BEGIN_LICENSE:LGPL-ONLY$
** GNU Lesser General Public License Usage
-** Alternatively, this file may be used under the terms of the GNU Lesser
+** 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, Nokia gives you certain additional
-** rights. These rights are described in the Nokia Qt LGPL Exception
-** version 1.1, included in the file LGPL_EXCEPTION.txt in this package.
-**
** If you have questions regarding the use of this file, please contact
** Nokia at qt-info@nokia.com.
-**
-**
-**
-**
-**
-**
-**
-**
** $QT_END_LICENSE$
**
****************************************************************************/
@@ -794,7 +776,11 @@ QScriptEnginePrivate::QScriptEnginePrivate()
qMetaTypeId<QObjectList>();
#endif
- JSC::initializeThreading(); // ### hmmm
+ if (!QCoreApplication::instance()) {
+ qFatal("QScriptEngine: Must construct a Q(Core)Application before a QScriptEngine");
+ return;
+ }
+ JSC::initializeThreading();
globalData = JSC::JSGlobalData::create().releaseRef();
globalData->clientData = new QScript::GlobalClientData(this);
@@ -1093,6 +1079,8 @@ void QScriptEnginePrivate::setContextFlags(JSC::ExecState *exec, uint flags)
void QScriptEnginePrivate::mark(JSC::MarkStack& markStack)
{
+ Q_Q(QScriptEngine);
+
markStack.append(originalGlobalObject());
markStack.append(globalObject());
if (originalGlobalObjectProxy)
@@ -1130,6 +1118,22 @@ void QScriptEnginePrivate::mark(JSC::MarkStack& markStack)
markStack.append((*it)->prototype);
}
}
+
+ {
+ QScriptContext *context = q->currentContext();
+
+ while (context) {
+ JSC::ScopeChainNode *node = frameForContext(context)->scopeChain();
+ JSC::ScopeChainIterator it(node);
+ for (it = node->begin(); it != node->end(); ++it) {
+ JSC::JSObject *object = *it;
+ if (object)
+ markStack.append(object);
+ }
+
+ context = context->parentContext();
+ }
+ }
}
bool QScriptEnginePrivate::isCollecting() const
@@ -1302,7 +1306,7 @@ QScript::QObjectData *QScriptEnginePrivate::qobjectData(QObject *object)
QScript::QObjectData *data = new QScript::QObjectData(this);
m_qobjectData.insert(object, data);
QObject::connect(object, SIGNAL(destroyed(QObject*)),
- q_func(), SLOT(_q_objectDestroyed(QObject *)));
+ q_func(), SLOT(_q_objectDestroyed(QObject*)));
return data;
}
@@ -2281,7 +2285,8 @@ QScriptContext *QScriptEngine::pushContext()
return the new top frame. (might be the same as exec if a new stackframe was not needed) or 0 if stack overflow
*/
JSC::CallFrame *QScriptEnginePrivate::pushContext(JSC::CallFrame *exec, JSC::JSValue _thisObject,
- const JSC::ArgList& args, JSC::JSObject *callee, bool calledAsConstructor)
+ const JSC::ArgList& args, JSC::JSObject *callee, bool calledAsConstructor,
+ bool clearScopeChain)
{
JSC::JSValue thisObject = _thisObject;
if (calledAsConstructor) {
@@ -2315,7 +2320,14 @@ JSC::CallFrame *QScriptEnginePrivate::pushContext(JSC::CallFrame *exec, JSC::JSV
for (it = args.begin(); it != args.end(); ++it)
newCallFrame[++dst] = *it;
newCallFrame += argc + JSC::RegisterFile::CallFrameHeaderSize;
- newCallFrame->init(0, /*vPC=*/0, exec->scopeChain(), exec, flags | ShouldRestoreCallFrame, argc, callee);
+
+ if (!clearScopeChain) {
+ newCallFrame->init(0, /*vPC=*/0, exec->scopeChain(), exec, flags | ShouldRestoreCallFrame, argc, callee);
+ } else {
+ JSC::JSObject *jscObject = originalGlobalObject();
+ JSC::ScopeChainNode *scn = new JSC::ScopeChainNode(0, jscObject, &exec->globalData(), jscObject);
+ newCallFrame->init(0, /*vPC=*/0, scn, exec, flags | ShouldRestoreCallFrame, argc, callee);
+ }
} else {
setContextFlags(newCallFrame, flags);
#if ENABLE(JIT)