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LibJS: Add and use the %ThrowTypeError% intrinsic

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Idan Horowitz 2021-06-28 03:53:35 +03:00 • committed by Linus Groh
parent 581f20e6f2
commit e2e695bc9f
5 changed files with 22 additions and 7 deletions
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14
Userland/Libraries/LibJS/Runtime/GlobalObject.cpp
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@ -142,6 +142,19 @@ void GlobalObject::initialize_global_object()
define_native_function(vm.names.eval, eval, 1, attr);
m_eval_function = &get_without_side_effects(vm.names.eval).as_function();
// 10.2.4.1 %ThrowTypeError% ( ), https://tc39.es/ecma262/#sec-%throwtypeerror%
m_throw_type_error_function = NativeFunction::create(global_object(), {}, [](VM& vm, GlobalObject& global_object) {
vm.throw_exception<TypeError>(global_object, ErrorType::RestrictedFunctionPropertiesAccess);
return Value();
});
m_throw_type_error_function->prevent_extensions();
m_throw_type_error_function->define_property_without_transition(vm.names.length, Value(0), 0, false);
m_throw_type_error_function->define_property_without_transition(vm.names.name, js_string(vm, ""), 0, false);
// 10.2.4 AddRestrictedFunctionProperties ( F, realm ), https://tc39.es/ecma262/#sec-addrestrictedfunctionproperties
m_function_prototype->define_accessor(vm.names.caller, throw_type_error_function(), throw_type_error_function(), Attribute::Configurable);
m_function_prototype->define_accessor(vm.names.arguments, throw_type_error_function(), 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);
define_native_function(vm.names.encodeURIComponent, encode_uri_component, 1, attr);
@ -227,6 +240,7 @@ void GlobalObject::visit_edges(Visitor& visitor)
#undef __JS_ENUMERATE
visitor.visit(m_eval_function);
visitor.visit(m_throw_type_error_function);
}
JS_DEFINE_NATIVE_FUNCTION(GlobalObject::gc)