diff options
Diffstat (limited to 'src/qml/jsruntime/qv4object.cpp')
-rw-r--r-- | src/qml/jsruntime/qv4object.cpp | 20 |
1 files changed, 13 insertions, 7 deletions
diff --git a/src/qml/jsruntime/qv4object.cpp b/src/qml/jsruntime/qv4object.cpp index ea374e43c0..a7ede4627c 100644 --- a/src/qml/jsruntime/qv4object.cpp +++ b/src/qml/jsruntime/qv4object.cpp @@ -731,21 +731,27 @@ ReturnedValue Object::virtualInstanceOf(const Object *typeObject, const Value &v if (!function) return engine->throwTypeError(); - Heap::FunctionObject *f = function->d(); - if (function->isBoundFunction()) - f = function->cast<BoundFunction>()->target(); + return checkedInstanceOf(engine, function, var); +} + +ReturnedValue Object::checkedInstanceOf(ExecutionEngine *engine, const FunctionObject *f, const Value &var) +{ + Scope scope(engine); + if (f->isBoundFunction()) { + ScopedValue v(scope, static_cast<const BoundFunction *>(f)->target()); + f = v->as<FunctionObject>(); + } // 15.3.5.3, 1: HasInstance can only be used on an object const Object *lhs = var.as<Object>(); if (!lhs) return Encode(false); - Scope scope(f->internalClass->engine); // 15.3.5.3, 2 - ScopedFunctionObject ff(scope, f); - ScopedObject o(scope, ff->protoProperty()); + Value p = Value::fromReturnedValue(f->protoProperty()); + const Object *o = p.objectValue(); if (!o) // 15.3.5.3, 3 - return engine->throwTypeError(); + return f->engine()->throwTypeError(); Heap::Object *v = lhs->d(); |