Revision control
++ // Copyright (C) 2016 The Qt Company Ltd.
++ // SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
++ // Qt-Security score:significant
++
++ #include "qv4booleanobject_p.h"
++
++ using namespace QV4;
++
++ DEFINE_OBJECT_VTABLE(BooleanCtor);
++ DEFINE_OBJECT_VTABLE(BooleanObject);
++
++ void Heap::BooleanCtor::init(QV4::ExecutionEngine *engine)
++ {
++ Heap::FunctionObject::init(engine, QStringLiteral("Boolean"));
++ }
++
++ ReturnedValue BooleanCtor::virtualCallAsConstructor(const FunctionObject *that, const Value *argv, int argc, const Value *newTarget)
++ {
++ auto v4 = that->engine();
++ bool n = argc ? argv[0].toBoolean() : false;
++
++ ReturnedValue o = Encode(v4->newBooleanObject(n));
++ if (!newTarget)
++ return o;
++ Scope scope(v4);
++ ScopedObject obj(scope, o);
++ obj->setProtoFromNewTarget(newTarget);
++ return obj->asReturnedValue();
++ }
++
++ ReturnedValue BooleanCtor::virtualCall(const FunctionObject *, const Value *, const Value *argv, int argc)
++ {
++ bool value = argc ? argv[0].toBoolean() : 0;
++ return Encode(value);
++ }
++
++ void BooleanPrototype::init(ExecutionEngine *engine, Object *ctor)
++ {
++ Scope scope(engine);
++ ScopedObject o(scope);
++ ctor->defineReadonlyConfigurableProperty(engine->id_length(), Value::fromInt32(1));
++ ctor->defineReadonlyProperty(engine->id_prototype(), (o = this));
++ defineDefaultProperty(QStringLiteral("constructor"), (o = ctor));
++ defineDefaultProperty(engine->id_toString(), method_toString);
++ defineDefaultProperty(engine->id_valueOf(), method_valueOf);
++ }
++
++ static bool value(const Value *thisObject, bool *exception)
++ {
++ *exception = false;
++ if (thisObject->isBoolean()) {
++ return thisObject->booleanValue();
++ } else {
++ const BooleanObject *that = thisObject->as<BooleanObject>();
++ if (that)
++ return that->value();
++ }
++ *exception = true;
++ return false;
++ }
++
++ ReturnedValue BooleanPrototype::method_toString(const FunctionObject *b, const Value *thisObject, const Value *, int)
++ {
++ bool exception;
++ bool result = ::value(thisObject, &exception);
++ ExecutionEngine *v4 = b->engine();
++ if (exception)
++ return v4->throwTypeError();
++
++ return (result ? v4->id_true() : v4->id_false())->asReturnedValue();
++ }
++
++ ReturnedValue BooleanPrototype::method_valueOf(const FunctionObject *b, const Value *thisObject, const Value *, int)
++ {
++ bool exception;
++ bool result = ::value(thisObject, &exception);
++ if (exception) {
++ ExecutionEngine *v4 = b->engine();
++ return v4->throwTypeError();
++ }
++
++ return Encode(result);
++ }