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LibJS: Avoid transitions for more object properties in global object

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This commit is contained in:
Linus Groh 2021-08-28 17:35:20 +01:00
parent 45eef97906
commit 8bcda353a2
1 changed files with 6 additions and 6 deletions
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12
Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
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@ -155,7 +155,7 @@ void GlobalObject::initialize_global_object()
// %GeneratorFunction.prototype.prototype% must be initialized separately as it has no
// companion constructor
m_generator_object_prototype = heap().allocate<GeneratorObjectPrototype>(*this, *this);
m_generator_object_prototype->define_direct_property(vm.names.constructor, m_generator_function_constructor, Attribute::Configurable);
m_generator_object_prototype->define_direct_property_without_transition(vm.names.constructor, m_generator_function_constructor, Attribute::Configurable);
#define __JS_ENUMERATE(ClassName, snake_name, PrototypeName, ConstructorName, ArrayType) \
if (!m_##snake_name##_prototype) \
@ -200,13 +200,13 @@ void GlobalObject::initialize_global_object()
vm.throw_exception<TypeError>(global_object, ErrorType::RestrictedFunctionPropertiesAccess);
return Value();
});
m_throw_type_error_function->define_direct_property(vm.names.length, Value(0), 0);
m_throw_type_error_function->define_direct_property(vm.names.name, js_string(vm, ""), 0);
m_throw_type_error_function->define_direct_property_without_transition(vm.names.length, Value(0), 0);
m_throw_type_error_function->define_direct_property_without_transition(vm.names.name, js_string(vm, ""), 0);
m_throw_type_error_function->internal_prevent_extensions();
// 10.2.4 AddRestrictedFunctionProperties ( F, realm ), https://tc39.es/ecma262/#sec-addrestrictedfunctionproperties
m_function_prototype->define_direct_accessor(vm.names.caller, m_throw_type_error_function, m_throw_type_error_function, Attribute::Configurable);
m_function_prototype->define_direct_accessor(vm.names.arguments, m_throw_type_error_function, m_throw_type_error_function, Attribute::Configurable);
m_function_prototype->define_direct_accessor_without_transition(vm.names.caller, m_throw_type_error_function, m_throw_type_error_function, Attribute::Configurable);
m_function_prototype->define_direct_accessor_without_transition(vm.names.arguments, m_throw_type_error_function, m_throw_type_error_function, Attribute::Configurable);
define_native_function(vm.names.encodeURI, encode_uri, 1, attr);
define_native_function(vm.names.decodeURI, decode_uri, 1, attr);
@ -265,7 +265,7 @@ void GlobalObject::initialize_global_object()
// The generator constructor cannot be initialized with add_constructor as it has no global binding
m_generator_function_constructor = heap().allocate<GeneratorFunctionConstructor>(*this, *this);
// 27.3.3.1 GeneratorFunction.prototype.constructor, https://tc39.es/ecma262/#sec-generatorfunction.prototype.constructor
m_generator_function_prototype->define_direct_property(vm.names.constructor, m_generator_function_constructor, Attribute::Configurable);
m_generator_function_prototype->define_direct_property_without_transition(vm.names.constructor, m_generator_function_constructor, Attribute::Configurable);
m_array_prototype_values_function = &m_array_prototype->get_without_side_effects(vm.names.values).as_function();
m_eval_function = &get_without_side_effects(vm.names.eval).as_function();