blob: 602bed9e5a57e18fbe82be5d785f93ad4f402809 [file] [log] [blame]
/*
* Copyright (C) 2013-2017 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "config.h"
#include "SetConstructor.h"
#include "Error.h"
#include "GetterSetter.h"
#include "IteratorOperations.h"
#include "JSCInlines.h"
#include "JSGlobalObject.h"
#include "JSObjectInlines.h"
#include "JSSet.h"
#include "SetPrototype.h"
namespace JSC {
const ClassInfo SetConstructor::s_info = { "Function", &Base::s_info, nullptr, nullptr, CREATE_METHOD_TABLE(SetConstructor) };
void SetConstructor::finishCreation(VM& vm, SetPrototype* setPrototype, GetterSetter* speciesSymbol)
{
Base::finishCreation(vm, vm.propertyNames->Set.string(), NameVisibility::Visible, NameAdditionMode::WithoutStructureTransition);
putDirectWithoutTransition(vm, vm.propertyNames->prototype, setPrototype, PropertyAttribute::DontEnum | PropertyAttribute::DontDelete | PropertyAttribute::ReadOnly);
putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), PropertyAttribute::DontEnum | PropertyAttribute::ReadOnly);
putDirectNonIndexAccessorWithoutTransition(vm, vm.propertyNames->speciesSymbol, speciesSymbol, PropertyAttribute::Accessor | PropertyAttribute::ReadOnly | PropertyAttribute::DontEnum);
}
static EncodedJSValue JSC_HOST_CALL callSet(ExecState*);
static EncodedJSValue JSC_HOST_CALL constructSet(ExecState*);
SetConstructor::SetConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callSet, constructSet)
{
}
static EncodedJSValue JSC_HOST_CALL callSet(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(exec, scope, "Set"));
}
static EncodedJSValue JSC_HOST_CALL constructSet(ExecState* exec)
{
VM& vm = exec->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSGlobalObject* globalObject = jsCast<InternalFunction*>(exec->jsCallee())->globalObject(vm);
Structure* setStructure = InternalFunction::createSubclassStructure(exec, exec->newTarget(), globalObject->setStructure());
RETURN_IF_EXCEPTION(scope, encodedJSValue());
JSValue iterable = exec->argument(0);
if (iterable.isUndefinedOrNull())
RELEASE_AND_RETURN(scope, JSValue::encode(JSSet::create(exec, vm, setStructure)));
if (auto* iterableSet = jsDynamicCast<JSSet*>(vm, iterable)) {
if (iterableSet->canCloneFastAndNonObservable(setStructure))
RELEASE_AND_RETURN(scope, JSValue::encode(iterableSet->clone(exec, vm, setStructure)));
}
JSSet* set = JSSet::create(exec, vm, setStructure);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
JSValue adderFunction = set->JSObject::get(exec, vm.propertyNames->add);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
CallData adderFunctionCallData;
CallType adderFunctionCallType = getCallData(vm, adderFunction, adderFunctionCallData);
if (UNLIKELY(adderFunctionCallType == CallType::None))
return JSValue::encode(throwTypeError(exec, scope));
scope.release();
forEachInIterable(exec, iterable, [&](VM&, ExecState* exec, JSValue nextValue) {
MarkedArgumentBuffer arguments;
arguments.append(nextValue);
ASSERT(!arguments.hasOverflowed());
call(exec, adderFunction, adderFunctionCallType, adderFunctionCallData, set, arguments);
});
return JSValue::encode(set);
}
EncodedJSValue JSC_HOST_CALL setPrivateFuncSetBucketHead(ExecState* exec)
{
ASSERT(jsDynamicCast<JSSet*>(exec->vm(), exec->argument(0)));
JSSet* set = jsCast<JSSet*>(exec->uncheckedArgument(0));
auto* head = set->head();
ASSERT(head);
return JSValue::encode(head);
}
EncodedJSValue JSC_HOST_CALL setPrivateFuncSetBucketNext(ExecState* exec)
{
ASSERT(jsDynamicCast<JSSet::BucketType*>(exec->vm(), exec->argument(0)));
auto* bucket = jsCast<JSSet::BucketType*>(exec->uncheckedArgument(0));
ASSERT(bucket);
bucket = bucket->next();
while (bucket) {
if (!bucket->deleted())
return JSValue::encode(bucket);
bucket = bucket->next();
}
return JSValue::encode(exec->vm().sentinelSetBucket());
}
EncodedJSValue JSC_HOST_CALL setPrivateFuncSetBucketKey(ExecState* exec)
{
ASSERT(jsDynamicCast<JSSet::BucketType*>(exec->vm(), exec->argument(0)));
auto* bucket = jsCast<JSSet::BucketType*>(exec->uncheckedArgument(0));
ASSERT(bucket);
return JSValue::encode(bucket->key());
}
}