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BooleanConstructor.cpp
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86 lines (71 loc) · 3.54 KB
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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003-2023 Apple Inc. All rights reserved.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#include "config.h"
#include "BooleanConstructor.h"
#include "BooleanPrototype.h"
#include "JSCInlines.h"
namespace JSC {
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(BooleanConstructor);
const ClassInfo BooleanConstructor::s_info = { "Function"_s, &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(BooleanConstructor) };
static JSC_DECLARE_HOST_FUNCTION(callBooleanConstructor);
static JSC_DECLARE_HOST_FUNCTION(constructWithBooleanConstructor);
// ECMA 15.6.1
JSC_DEFINE_HOST_FUNCTION(callBooleanConstructor, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
return JSValue::encode(jsBoolean(callFrame->argument(0).toBoolean(globalObject)));
}
// ECMA 15.6.2
JSC_DEFINE_HOST_FUNCTION(constructWithBooleanConstructor, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue boolean = jsBoolean(callFrame->argument(0).toBoolean(globalObject));
JSObject* newTarget = asObject(callFrame->newTarget());
Structure* booleanStructure = JSC_GET_DERIVED_STRUCTURE(vm, booleanObjectStructure, newTarget, callFrame->jsCallee());
RETURN_IF_EXCEPTION(scope, { });
BooleanObject* obj = BooleanObject::create(vm, booleanStructure);
obj->setInternalValue(vm, boolean);
return JSValue::encode(obj);
}
BooleanConstructor::BooleanConstructor(VM& vm, NativeExecutable* executable, JSGlobalObject* globalObject, Structure* structure)
: Base(vm, executable, globalObject, structure)
{
}
void BooleanConstructor::finishCreation(VM& vm, BooleanPrototype* booleanPrototype)
{
Base::finishCreation(vm);
putDirectWithoutTransition(vm, vm.propertyNames->prototype, booleanPrototype, PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum | PropertyAttribute::DontDelete);
}
BooleanConstructor* BooleanConstructor::create(VM& vm, Structure* structure, BooleanPrototype* booleanPrototype)
{
JSGlobalObject* globalObject = structure->realm();
NativeExecutable* executable = vm.getHostFunction(callBooleanConstructor, ImplementationVisibility::Public, BooleanConstructorIntrinsic, constructWithBooleanConstructor, nullptr, 1, vm.propertyNames->Boolean.string());
BooleanConstructor* constructor = new (NotNull, allocateCell<BooleanConstructor>(vm)) BooleanConstructor(vm, executable, globalObject, structure);
constructor->finishCreation(vm, booleanPrototype);
return constructor;
}
JSObject* constructBooleanFromImmediateBoolean(JSGlobalObject* globalObject, JSValue immediateBooleanValue)
{
VM& vm = globalObject->vm();
BooleanObject* obj = BooleanObject::create(vm, globalObject->booleanObjectStructure());
obj->setInternalValue(vm, immediateBooleanValue);
return obj;
}
} // namespace JSC