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-rw-r--r--src/qml/qml/qqmlvme.cpp1
-rw-r--r--src/qml/qml/v8/qv8contextwrapper.cpp21
-rw-r--r--src/qml/qml/v8/qv8contextwrapper_p.h5
-rw-r--r--tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp40
4 files changed, 59 insertions, 8 deletions
diff --git a/src/qml/qml/qqmlvme.cpp b/src/qml/qml/qqmlvme.cpp
index da918c3c71..9db3ee5a4d 100644
--- a/src/qml/qml/qqmlvme.cpp
+++ b/src/qml/qml/qqmlvme.cpp
@@ -1244,6 +1244,7 @@ v8::Persistent<v8::Object> QQmlVME::run(QQmlContextData *parentCtxt, QQmlScriptD
script->initialize(parentCtxt->engine);
v8::Local<v8::Object> qmlglobal = v8engine->qmlScope(ctxt, 0);
+ v8engine->contextWrapper()->takeContextOwnership(qmlglobal);
if (!script->m_program.IsEmpty()) {
script->m_program->Run(qmlglobal);
diff --git a/src/qml/qml/v8/qv8contextwrapper.cpp b/src/qml/qml/v8/qv8contextwrapper.cpp
index 9f18afc5cb..bc64189cbd 100644
--- a/src/qml/qml/v8/qv8contextwrapper.cpp
+++ b/src/qml/qml/v8/qv8contextwrapper.cpp
@@ -55,7 +55,7 @@ class QV8ContextResource : public QV8ObjectResource
V8_RESOURCE_TYPE(ContextType);
public:
- QV8ContextResource(QV8Engine *engine, QQmlContextData *context, QObject *scopeObject);
+ QV8ContextResource(QV8Engine *engine, QQmlContextData *context, QObject *scopeObject, bool ownsContext = false);
~QV8ContextResource();
inline QQmlContextData *getContext() const;
@@ -64,7 +64,8 @@ public:
quint32 isSharedContext:1;
quint32 hasSubContexts:1;
quint32 readOnly:1;
- quint32 dummy:29;
+ quint32 ownsContext:1;
+ quint32 dummy:28;
// This is a pretty horrible hack, and an abuse of external strings. When we create a
// sub-context (a context created by a Qt.include() in an external javascript file),
@@ -86,15 +87,15 @@ private:
};
-QV8ContextResource::QV8ContextResource(QV8Engine *engine, QQmlContextData *context, QObject *scopeObject)
-: QV8ObjectResource(engine), isSharedContext(false), hasSubContexts(false), readOnly(true),
- context(context), scopeObject(scopeObject)
+QV8ContextResource::QV8ContextResource(QV8Engine *engine, QQmlContextData *context, QObject *scopeObject, bool ownsContext)
+: QV8ObjectResource(engine), isSharedContext(false), hasSubContexts(false), readOnly(true),
+ ownsContext(ownsContext), context(context), scopeObject(scopeObject)
{
}
QV8ContextResource::~QV8ContextResource()
{
- if (context && context->isJSContext)
+ if (context && ownsContext)
context->destroy();
}
@@ -186,7 +187,7 @@ v8::Local<v8::Object> QV8ContextWrapper::urlScope(const QUrl &url)
// XXX NewInstance() should be optimized
v8::Local<v8::Object> rv = m_urlConstructor->NewInstance();
- QV8ContextResource *r = new QV8ContextResource(m_engine, context, 0);
+ QV8ContextResource *r = new QV8ContextResource(m_engine, context, 0, true);
rv->SetExternalResource(r);
return rv;
}
@@ -226,6 +227,12 @@ QQmlContextData *QV8ContextWrapper::context(v8::Handle<v8::Value> value)
return r?r->getContext():0;
}
+void QV8ContextWrapper::takeContextOwnership(v8::Handle<v8::Object> qmlglobal)
+{
+ QV8ContextResource *r = v8_resource_cast<QV8ContextResource>(qmlglobal);
+ r->ownsContext = true;
+}
+
v8::Handle<v8::Value> QV8ContextWrapper::NullGetter(v8::Local<v8::String>,
const v8::AccessorInfo &)
{
diff --git a/src/qml/qml/v8/qv8contextwrapper_p.h b/src/qml/qml/v8/qv8contextwrapper_p.h
index 1e62ea6480..43eeee05d3 100644
--- a/src/qml/qml/v8/qv8contextwrapper_p.h
+++ b/src/qml/qml/v8/qv8contextwrapper_p.h
@@ -54,6 +54,7 @@
//
#include <QtCore/qglobal.h>
+#include <private/qtqmlglobal_p.h>
#include <private/qv8_p.h>
QT_BEGIN_NAMESPACE
@@ -62,7 +63,7 @@ class QUrl;
class QObject;
class QV8Engine;
class QQmlContextData;
-class QV8ContextWrapper
+class Q_QML_PRIVATE_EXPORT QV8ContextWrapper
{
public:
QV8ContextWrapper();
@@ -84,6 +85,8 @@ public:
inline v8::Handle<v8::Object> sharedContext() const;
+ void takeContextOwnership(v8::Handle<v8::Object> qmlglobal);
+
private:
static v8::Handle<v8::Value> NullGetter(v8::Local<v8::String> property,
const v8::AccessorInfo &info);
diff --git a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
index a99c5fa8be..048fdb1e16 100644
--- a/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
+++ b/tests/auto/qml/qqmlecmascript/tst_qqmlecmascript.cpp
@@ -288,6 +288,7 @@ private slots:
private:
static void propertyVarWeakRefCallback(v8::Persistent<v8::Value> object, void* parameter);
+ static void verifyContextLifetime(QQmlContextData *ctxt);
QQmlEngine engine;
};
@@ -3783,6 +3784,41 @@ void tst_qqmlecmascript::singletonTypeResolution()
delete object;
}
+void tst_qqmlecmascript::verifyContextLifetime(QQmlContextData *ctxt) {
+ QQmlContextData *childCtxt = ctxt->childContexts;
+
+ if (!ctxt->importedScripts.isEmpty()) {
+ QV8Engine *engine = QV8Engine::get(ctxt->engine);
+ foreach (v8::Persistent<v8::Object> qmlglobal, ctxt->importedScripts) {
+ QQmlContextData *scriptContext, *newContext;
+
+ if (qmlglobal.IsEmpty())
+ continue;
+
+ scriptContext = engine->contextWrapper()->context(qmlglobal);
+
+ {
+ v8::HandleScope handle_scope;
+ v8::Persistent<v8::Context> context = v8::Context::New();
+ v8::Context::Scope context_scope(context);
+ v8::Local<v8::Object> temporaryScope = engine->qmlScope(scriptContext, NULL);
+
+ context.Dispose();
+ }
+
+ QV8Engine::gc();
+ newContext = engine->contextWrapper()->context(qmlglobal);
+ QVERIFY(scriptContext == newContext);
+ }
+ }
+
+ while (childCtxt) {
+ verifyContextLifetime(childCtxt);
+
+ childCtxt = childCtxt->nextChild;
+ }
+}
+
void tst_qqmlecmascript::importScripts_data()
{
QTest::addColumn<QUrl>("testfile");
@@ -4014,6 +4050,10 @@ void tst_qqmlecmascript::importScripts()
QVERIFY(object == 0);
} else {
QVERIFY(object != 0);
+
+ QQmlContextData *ctxt = QQmlContextData::get(engine.rootContext());
+ tst_qqmlecmascript::verifyContextLifetime(ctxt);
+
for (int i = 0; i < propertyNames.size(); ++i)
QCOMPARE(object->property(propertyNames.at(i).toLatin1().constData()), propertyValues.at(i));
delete object;
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-02 02:30:58 +0000