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/*
* Copyright (c) 2021, Idan Horowitz <idan.horowitz@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#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, *global_object.function_prototype())
{
}
void SetConstructor::initialize(GlobalObject& global_object)
{
auto& vm = this->vm();
NativeFunction::initialize(global_object);
define_property(vm.names.prototype, global_object.set_prototype(), 0);
define_property(vm.names.length, Value(0), Attribute::Configurable);
define_native_accessor(vm.well_known_symbol_species(), symbol_species_getter, {}, Attribute::Configurable);
}
SetConstructor::~SetConstructor()
{
}
Value SetConstructor::call()
{
auto& vm = this->vm();
vm.throw_exception<TypeError>(global_object(), ErrorType::ConstructorWithoutNew, vm.names.Set);
return {};
}
Value SetConstructor::construct(Function&)
{
auto& vm = this->vm();
if (vm.argument(0).is_nullish())
return Set::create(global_object());
auto* set = Set::create(global_object());
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;
}
JS_DEFINE_NATIVE_GETTER(SetConstructor::symbol_species_getter)
{
return vm.this_value(global_object);
}
}
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