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/*
* 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 "IteratorOperations.h"
#include "JSCInlines.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(), 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(JSGlobalObject*, CallFrame*);
static EncodedJSValue JSC_HOST_CALL constructSet(JSGlobalObject*, CallFrame*);
SetConstructor::SetConstructor(VM& vm, Structure* structure)
: Base(vm, structure, callSet, constructSet)
{
}
static EncodedJSValue JSC_HOST_CALL callSet(JSGlobalObject* globalObject, CallFrame*)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
return JSValue::encode(throwConstructorCannotBeCalledAsFunctionTypeError(globalObject, scope, "Set"));
}
static EncodedJSValue JSC_HOST_CALL constructSet(JSGlobalObject* globalObject, CallFrame* callFrame)
{
VM& vm = globalObject->vm();
auto scope = DECLARE_THROW_SCOPE(vm);
JSObject* newTarget = asObject(callFrame->newTarget());
Structure* setStructure = newTarget == callFrame->jsCallee()
? globalObject->setStructure()
: InternalFunction::createSubclassStructure(globalObject, newTarget, getFunctionRealm(vm, newTarget)->setStructure());
RETURN_IF_EXCEPTION(scope, { });
JSValue iterable = callFrame->argument(0);
if (iterable.isUndefinedOrNull())
RELEASE_AND_RETURN(scope, JSValue::encode(JSSet::create(globalObject, vm, setStructure)));
if (auto* iterableSet = jsDynamicCast<JSSet*>(vm, iterable)) {
if (iterableSet->canCloneFastAndNonObservable(setStructure))
RELEASE_AND_RETURN(scope, JSValue::encode(iterableSet->clone(globalObject, vm, setStructure)));
}
JSSet* set = JSSet::create(globalObject, vm, setStructure);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
JSValue adderFunction = set->JSObject::get(globalObject, vm.propertyNames->add);
RETURN_IF_EXCEPTION(scope, encodedJSValue());
auto adderFunctionCallData = getCallData(vm, adderFunction);
if (UNLIKELY(adderFunctionCallData.type == CallData::Type::None))
return JSValue::encode(throwTypeError(globalObject, scope));
scope.release();
forEachInIterable(globalObject, iterable, [&](VM&, JSGlobalObject* globalObject, JSValue nextValue) {
MarkedArgumentBuffer arguments;
arguments.append(nextValue);
ASSERT(!arguments.hasOverflowed());
call(globalObject, adderFunction, adderFunctionCallData, set, arguments);
});
return JSValue::encode(set);
}
EncodedJSValue JSC_HOST_CALL setPrivateFuncSetBucketHead(JSGlobalObject* globalObject, CallFrame* callFrame)
{
ASSERT_UNUSED(globalObject, jsDynamicCast<JSSet*>(globalObject->vm(), callFrame->argument(0)));
JSSet* set = jsCast<JSSet*>(callFrame->uncheckedArgument(0));
auto* head = set->head();
ASSERT(head);
return JSValue::encode(head);
}
EncodedJSValue JSC_HOST_CALL setPrivateFuncSetBucketNext(JSGlobalObject* globalObject, CallFrame* callFrame)
{
ASSERT(jsDynamicCast<JSSet::BucketType*>(globalObject->vm(), callFrame->argument(0)));
auto* bucket = jsCast<JSSet::BucketType*>(callFrame->uncheckedArgument(0));
ASSERT(bucket);
bucket = bucket->next();
while (bucket) {
if (!bucket->deleted())
return JSValue::encode(bucket);
bucket = bucket->next();
}
return JSValue::encode(globalObject->vm().sentinelSetBucket());
}
EncodedJSValue JSC_HOST_CALL setPrivateFuncSetBucketKey(JSGlobalObject* globalObject, CallFrame* callFrame)
{
ASSERT_UNUSED(globalObject, jsDynamicCast<JSSet::BucketType*>(globalObject->vm(), callFrame->argument(0)));
auto* bucket = jsCast<JSSet::BucketType*>(callFrame->uncheckedArgument(0));
ASSERT(bucket);
return JSValue::encode(bucket->key());
}
}