1/* 2 * Copyright (C) 2013 Apple Inc. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26#include "config.h" 27#include "SetConstructor.h" 28 29#include "Error.h" 30#include "JSCJSValueInlines.h" 31#include "JSCellInlines.h" 32#include "JSGlobalObject.h" 33#include "JSSet.h" 34#include "MapData.h" 35#include "SetPrototype.h" 36#include "StructureInlines.h" 37 38namespace JSC { 39 40const ClassInfo SetConstructor::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(SetConstructor) }; 41 42void SetConstructor::finishCreation(VM& vm, SetPrototype* setPrototype) 43{ 44 Base::finishCreation(vm, setPrototype->classInfo()->className); 45 putDirectWithoutTransition(vm, vm.propertyNames->prototype, setPrototype, DontEnum | DontDelete | ReadOnly); 46 putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum | DontDelete); 47} 48 49static EncodedJSValue JSC_HOST_CALL callSet(CallFrame* callFrame) 50{ 51 // Until we have iterators we throw if we've been given 52 // any arguments that could require us to throw. 53 if (!callFrame->argument(0).isUndefinedOrNull()) 54 return JSValue::encode(throwTypeError(callFrame, ASCIILiteral("Set does not accept arguments when called as a function"))); 55 if (!callFrame->argument(1).isUndefined()) 56 return throwVMError(callFrame, createRangeError(callFrame, WTF::ASCIILiteral("Invalid comparator function"))); 57 58 JSGlobalObject* globalObject = asInternalFunction(callFrame->callee())->globalObject(); 59 Structure* setStructure = globalObject->setStructure(); 60 return JSValue::encode(JSSet::create(callFrame, setStructure)); 61} 62 63static EncodedJSValue JSC_HOST_CALL constructSet(CallFrame* callFrame) 64{ 65 JSGlobalObject* globalObject = asInternalFunction(callFrame->callee())->globalObject(); 66 Structure* setStructure = globalObject->setStructure(); 67 JSSet* set = JSSet::create(callFrame, setStructure); 68 MapData* mapData = set->mapData(); 69 size_t count = callFrame->argumentCount(); 70 for (size_t i = 0; i < count; i++) { 71 JSValue item = callFrame->uncheckedArgument(i); 72 mapData->set(callFrame, item, item); 73 } 74 return JSValue::encode(set); 75} 76 77ConstructType SetConstructor::getConstructData(JSCell*, ConstructData& constructData) 78{ 79 constructData.native.function = constructSet; 80 return ConstructTypeHost; 81} 82 83CallType SetConstructor::getCallData(JSCell*, CallData& callData) 84{ 85 callData.native.function = callSet; 86 return CallTypeHost; 87} 88 89} 90