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-rw-r--r--src/script/api/qscriptengine.cpp8
-rw-r--r--src/script/api/qscriptvalue.cpp13
2 files changed, 17 insertions, 4 deletions
diff --git a/src/script/api/qscriptengine.cpp b/src/script/api/qscriptengine.cpp
index 13b8e7c..2417d80 100644
--- a/src/script/api/qscriptengine.cpp
+++ b/src/script/api/qscriptengine.cpp
@@ -1067,11 +1067,15 @@ void QScriptEnginePrivate::setGlobalObject(JSC::JSObject *object)
if (object == globalObject())
return;
QScript::GlobalObject *glob = static_cast<QScript::GlobalObject*>(originalGlobalObject());
- if (object == originalGlobalObjectProxy)
+ if (object == originalGlobalObjectProxy) {
glob->customGlobalObject = 0;
- else {
+ // Sync the internal prototype, since JSObject::prototype() is not virtual.
+ glob->setPrototype(originalGlobalObjectProxy->prototype());
+ } else {
Q_ASSERT(object != originalGlobalObject());
glob->customGlobalObject = object;
+ // Sync the internal prototype, since JSObject::prototype() is not virtual.
+ glob->setPrototype(object->prototype());
}
}
diff --git a/src/script/api/qscriptvalue.cpp b/src/script/api/qscriptvalue.cpp
index 7469f9a..1310c8c 100644
--- a/src/script/api/qscriptvalue.cpp
+++ b/src/script/api/qscriptvalue.cpp
@@ -538,19 +538,28 @@ void QScriptValue::setPrototype(const QScriptValue &prototype)
"a different engine");
return;
}
+ JSC::JSObject *thisObject = JSC::asObject(d->jscValue);
JSC::JSValue other = d->engine->scriptValueToJSCValue(prototype);
// check for cycle
JSC::JSValue nextPrototypeValue = other;
while (nextPrototypeValue && nextPrototypeValue.isObject()) {
JSC::JSObject *nextPrototype = JSC::asObject(nextPrototypeValue);
- if (nextPrototype == JSC::asObject(d->jscValue)) {
+ if (nextPrototype == thisObject) {
qWarning("QScriptValue::setPrototype() failed: cyclic prototype value");
return;
}
nextPrototypeValue = nextPrototype->prototype();
}
- JSC::asObject(d->jscValue)->setPrototype(other);
+
+ thisObject->setPrototype(other);
+
+ // Sync the internal Global Object prototype if appropriate.
+ if (((thisObject == d->engine->originalGlobalObjectProxy)
+ && !d->engine->customGlobalObject())
+ || (thisObject == d->engine->customGlobalObject())) {
+ d->engine->originalGlobalObject()->setPrototype(other);
+ }
}
/*!