diff options
Diffstat (limited to 'src/script/api/qscriptvalue.cpp')
| -rw-r--r-- | src/script/api/qscriptvalue.cpp | 8 |
1 files changed, 6 insertions, 2 deletions
diff --git a/src/script/api/qscriptvalue.cpp b/src/script/api/qscriptvalue.cpp index e0dc385..4772fa1 100644 --- a/src/script/api/qscriptvalue.cpp +++ b/src/script/api/qscriptvalue.cpp @@ -531,7 +531,12 @@ void QScriptValue::setPrototype(const QScriptValue &prototype) Q_D(QScriptValue); if (!d || !d->isObject()) return; - if (prototype.isValid() && QScriptValuePrivate::getEngine(prototype) + + JSC::JSValue other = d->engine->scriptValueToJSCValue(prototype); + if (!other || !(other.isObject() || other.isNull())) + return; + + if (QScriptValuePrivate::getEngine(prototype) && (QScriptValuePrivate::getEngine(prototype) != d->engine)) { qWarning("QScriptValue::setPrototype() failed: " "cannot set a prototype created in " @@ -539,7 +544,6 @@ void QScriptValue::setPrototype(const QScriptValue &prototype) return; } JSC::JSObject *thisObject = JSC::asObject(d->jscValue); - JSC::JSValue other = d->engine->scriptValueToJSCValue(prototype); // check for cycle JSC::JSValue nextPrototypeValue = other; |