ladybird/Userland/Libraries/LibJS/Runtime/BooleanConstructor.cpp
Linus Groh 5832de62fe LibJS: Convert NativeFunction::{call,construct}() to ThrowCompletionOr
Both at the same time because many of them call construct() in call()
and I'm not keen on adding a bunch of temporary plumbing to turn
exceptions into throw completions.
Also changes the return value of construct() to Object* instead of Value
as it always needs to return an object; allowing an arbitrary Value is a
massive foot gun.
2021-10-21 09:02:23 +01:00

53 lines
1.6 KiB
C++

/*
* Copyright (c) 2020, Jack Karamanian <karamanian.jack@gmail.com>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <LibJS/Runtime/AbstractOperations.h>
#include <LibJS/Runtime/BooleanConstructor.h>
#include <LibJS/Runtime/BooleanObject.h>
#include <LibJS/Runtime/GlobalObject.h>
namespace JS {
BooleanConstructor::BooleanConstructor(GlobalObject& global_object)
: NativeFunction(vm().names.Boolean.as_string(), *global_object.function_prototype())
{
}
void BooleanConstructor::initialize(GlobalObject& global_object)
{
auto& vm = this->vm();
NativeFunction::initialize(global_object);
// 20.3.2.1 Boolean.prototype, https://tc39.es/ecma262/#sec-boolean.prototype
define_direct_property(vm.names.prototype, global_object.boolean_prototype(), 0);
define_direct_property(vm.names.length, Value(1), Attribute::Configurable);
}
BooleanConstructor::~BooleanConstructor()
{
}
// 20.3.1.1 Boolean ( value ), https://tc39.es/ecma262/#sec-boolean-constructor-boolean-value
ThrowCompletionOr<Value> BooleanConstructor::call()
{
auto& vm = this->vm();
auto b = vm.argument(0).to_boolean();
return Value(b);
}
// 20.3.1.1 Boolean ( value ), https://tc39.es/ecma262/#sec-boolean-constructor-boolean-value
ThrowCompletionOr<Object*> BooleanConstructor::construct(FunctionObject& new_target)
{
auto& vm = this->vm();
auto& global_object = this->global_object();
auto b = vm.argument(0).to_boolean();
return TRY(ordinary_create_from_constructor<BooleanObject>(global_object, new_target, &GlobalObject::boolean_prototype, b));
}
}