blob: 40a011d4e09e5973d82d2013d9e983035432cb9e [file] [log] [blame]
// Copyright 2019 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
namespace boolean {
transitioning macro ThisBooleanValue(implicit context: Context)(
receiver: JSAny, method: constexpr string): Boolean {
return UnsafeCast<Boolean>(
ToThisValue(receiver, PrimitiveType::kBoolean, method));
javascript builtin
js-implicit context: NativeContext, receiver: JSAny, newTarget: JSAny,
target: JSFunction)(...arguments): JSAny {
const value = SelectBooleanConstant(ToBoolean(arguments[0]));
if (newTarget == Undefined) {
return value;
const map = GetDerivedMap(target, UnsafeCast<JSReceiver>(newTarget));
const obj =
obj.value = value;
return obj;
// ES #sec-boolean.prototype.tostring
transitioning javascript builtin BooleanPrototypeToString(
js-implicit context: NativeContext, receiver: JSAny)(): JSAny {
// 1. Let b be ? thisBooleanValue(this value).
const b = ThisBooleanValue(receiver, 'Boolean.prototype.toString');
// 2. If b is true, return "true"; else return "false".
return b.to_string;
// ES #sec-boolean.prototype.valueof
transitioning javascript builtin BooleanPrototypeValueOf(
js-implicit context: NativeContext, receiver: JSAny)(): JSAny {
// 1. Return ? thisBooleanValue(this value).
return ThisBooleanValue(receiver, 'Boolean.prototype.valueOf');