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LibJS: Avoid transitions for name/length of native functions/accessors

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This commit is contained in:
Linus Groh 2021-08-28 17:37:00 +01:00
parent 8bcda353a2
commit 31bc9565f8
1 changed files with 6 additions and 6 deletions
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12
Userland/Libraries/LibJS/Runtime/Object.cpp
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@ -1023,15 +1023,15 @@ void Object::define_native_accessor(PropertyName const& property_name, Function<
if (getter) {
auto name = String::formatted("get {}", formatted_property_name);
getter_function = NativeFunction::create(global_object(), name, move(getter));
getter_function->define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
getter_function->define_direct_property(vm.names.name, js_string(vm, name), Attribute::Configurable);
getter_function->define_direct_property_without_transition(vm.names.length, Value(0), Attribute::Configurable);
getter_function->define_direct_property_without_transition(vm.names.name, js_string(vm, name), Attribute::Configurable);
}
FunctionObject* setter_function = nullptr;
if (setter) {
auto name = String::formatted("set {}", formatted_property_name);
setter_function = NativeFunction::create(global_object(), name, move(setter));
setter_function->define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
setter_function->define_direct_property(vm.names.name, js_string(vm, name), Attribute::Configurable);
setter_function->define_direct_property_without_transition(vm.names.length, Value(1), Attribute::Configurable);
setter_function->define_direct_property_without_transition(vm.names.name, js_string(vm, name), Attribute::Configurable);
}
return define_direct_accessor(property_name, getter_function, setter_function, attribute);
}
@ -1096,8 +1096,8 @@ void Object::define_native_function(PropertyName const& property_name, Function<
function_name = String::formatted("[{}]", property_name.as_symbol()->description());
}
auto* function = NativeFunction::create(global_object(), function_name, move(native_function));
function->define_direct_property(vm.names.length, Value(length), Attribute::Configurable);
function->define_direct_property(vm.names.name, js_string(vm, function_name), Attribute::Configurable);
function->define_direct_property_without_transition(vm.names.length, Value(length), Attribute::Configurable);
function->define_direct_property_without_transition(vm.names.name, js_string(vm, function_name), Attribute::Configurable);
define_direct_property(property_name, function, attribute);
}