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BooleanPrototype.cpp
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104 lines (81 loc) · 3.39 KB
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/*
* Copyright (C) 1999-2000 Harri Porten (porten@kde.org)
* Copyright (C) 2003-2020 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 "BooleanPrototype.h"
#include "IntegrityInlines.h"
#include "JSCInlines.h"
namespace JSC {
static JSC_DECLARE_HOST_FUNCTION(booleanProtoFuncToString);
static JSC_DECLARE_HOST_FUNCTION(booleanProtoFuncValueOf);
}
#include "BooleanPrototype.lut.h"
namespace JSC {
const ClassInfo BooleanPrototype::s_info = { "Boolean"_s, &BooleanObject::s_info, &booleanPrototypeTable, nullptr, CREATE_METHOD_TABLE(BooleanPrototype) };
/* Source for BooleanPrototype.lut.h
@begin booleanPrototypeTable
toString booleanProtoFuncToString DontEnum|Function 0
valueOf booleanProtoFuncValueOf DontEnum|Function 0
@end
*/
STATIC_ASSERT_IS_TRIVIALLY_DESTRUCTIBLE(BooleanPrototype);
BooleanPrototype::BooleanPrototype(VM& vm, Structure* structure)
: BooleanObject(vm, structure)
{
}
void BooleanPrototype::finishCreation(VM& vm, JSGlobalObject*)
{
Base::finishCreation(vm);
setInternalValue(vm, jsBoolean(false));
ASSERT(inherits(info()));
structure()->setMayBePrototype(true);
}
// ------------------------------ Functions ---------------------------
JSC_DEFINE_HOST_FUNCTION(booleanProtoFuncToString, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue thisValue = callFrame->thisValue();
if (thisValue == jsBoolean(false))
return JSValue::encode(vm.smallStrings.falseString());
if (thisValue == jsBoolean(true))
return JSValue::encode(vm.smallStrings.trueString());
auto* thisObject = jsDynamicCast<BooleanObject*>(thisValue);
if (!thisObject) [[unlikely]]
return throwVMTypeError(globalObject, scope);
Integrity::auditStructureID(thisObject->structureID());
if (thisObject->internalValue() == jsBoolean(false))
return JSValue::encode(vm.smallStrings.falseString());
ASSERT(thisObject->internalValue() == jsBoolean(true));
return JSValue::encode(vm.smallStrings.trueString());
}
JSC_DEFINE_HOST_FUNCTION(booleanProtoFuncValueOf, (JSGlobalObject* globalObject, CallFrame* callFrame))
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSValue thisValue = callFrame->thisValue();
if (thisValue.isBoolean())
return JSValue::encode(thisValue);
auto* thisObject = jsDynamicCast<BooleanObject*>(thisValue);
if (!thisObject) [[unlikely]]
return throwVMTypeError(globalObject, scope);
Integrity::auditStructureID(thisObject->structureID());
return JSValue::encode(thisObject->internalValue());
}
} // namespace JSC