eeb4c1eec9
The specification dicatates that each built-in will have a length and name property. (defined in that order)
83 lines
2.5 KiB
C++
83 lines
2.5 KiB
C++
/*
|
|
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <LibJS/Runtime/AbstractOperations.h>
|
|
#include <LibJS/Runtime/Error.h>
|
|
#include <LibJS/Runtime/GlobalObject.h>
|
|
#include <LibJS/Runtime/IteratorOperations.h>
|
|
#include <LibJS/Runtime/Set.h>
|
|
#include <LibJS/Runtime/SetConstructor.h>
|
|
|
|
namespace JS {
|
|
|
|
SetConstructor::SetConstructor(GlobalObject& global_object)
|
|
: NativeFunction(vm().names.Set.as_string(), *global_object.function_prototype())
|
|
{
|
|
}
|
|
|
|
void SetConstructor::initialize(GlobalObject& global_object)
|
|
{
|
|
auto& vm = this->vm();
|
|
NativeFunction::initialize(global_object);
|
|
|
|
// 24.2.2.1 Set.prototype, https://tc39.es/ecma262/#sec-set.prototype
|
|
define_direct_property(vm.names.prototype, global_object.set_prototype(), 0);
|
|
|
|
define_native_accessor(*vm.well_known_symbol_species(), symbol_species_getter, {}, Attribute::Configurable);
|
|
|
|
define_direct_property(vm.names.length, Value(0), Attribute::Configurable);
|
|
}
|
|
|
|
SetConstructor::~SetConstructor()
|
|
{
|
|
}
|
|
|
|
// 24.2.1.1 Set ( [ iterable ] ), https://tc39.es/ecma262/#sec-set-iterable
|
|
Value SetConstructor::call()
|
|
{
|
|
auto& vm = this->vm();
|
|
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, vm.names.Set);
|
|
return {};
|
|
}
|
|
|
|
// 24.2.1.1 Set ( [ iterable ] ), https://tc39.es/ecma262/#sec-set-iterable
|
|
Value SetConstructor::construct(FunctionObject& new_target)
|
|
{
|
|
auto& vm = this->vm();
|
|
auto& global_object = this->global_object();
|
|
|
|
auto* set = ordinary_create_from_constructor<Set>(global_object, new_target, &GlobalObject::set_prototype);
|
|
if (vm.exception())
|
|
return {};
|
|
|
|
if (vm.argument(0).is_nullish())
|
|
return set;
|
|
|
|
auto adder = set->get(vm.names.add);
|
|
if (vm.exception())
|
|
return {};
|
|
if (!adder.is_function()) {
|
|
vm.throw_exception<TypeError>(global_object, ErrorType::NotAFunction, "'add' property of Set");
|
|
return {};
|
|
}
|
|
get_iterator_values(global_object, vm.argument(0), [&](Value iterator_value) {
|
|
if (vm.exception())
|
|
return IterationDecision::Break;
|
|
(void)vm.call(adder.as_function(), Value(set), iterator_value);
|
|
return vm.exception() ? IterationDecision::Break : IterationDecision::Continue;
|
|
});
|
|
if (vm.exception())
|
|
return {};
|
|
return set;
|
|
}
|
|
|
|
// 24.2.2.2 get Set [ @@species ], https://tc39.es/ecma262/#sec-get-set-@@species
|
|
JS_DEFINE_NATIVE_GETTER(SetConstructor::symbol_species_getter)
|
|
{
|
|
return vm.this_value(global_object);
|
|
}
|
|
|
|
}
|