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 "MapConstructor.h" 28 29#include "Error.h" 30#include "JSCJSValueInlines.h" 31#include "JSCellInlines.h" 32#include "JSGlobalObject.h" 33#include "JSMap.h" 34#include "MapPrototype.h" 35#include "StructureInlines.h" 36 37namespace JSC { 38 39const ClassInfo MapConstructor::s_info = { "Function", &Base::s_info, 0, 0, CREATE_METHOD_TABLE(MapConstructor) }; 40 41void MapConstructor::finishCreation(VM& vm, MapPrototype* mapPrototype) 42{ 43 Base::finishCreation(vm, mapPrototype->classInfo()->className); 44 putDirectWithoutTransition(vm, vm.propertyNames->prototype, mapPrototype, DontEnum | DontDelete | ReadOnly); 45 putDirectWithoutTransition(vm, vm.propertyNames->length, jsNumber(0), ReadOnly | DontEnum | DontDelete); 46} 47 48static EncodedJSValue JSC_HOST_CALL constructMap(ExecState* exec) 49{ 50 // Until we have iterators we throw if we've been given 51 // any arguments that could require us to throw. 52 if (!exec->argument(0).isUndefinedOrNull()) 53 return JSValue::encode(throwTypeError(exec, ASCIILiteral("Map constructor does not accept arguments"))); 54 if (!exec->argument(1).isUndefined()) 55 return throwVMError(exec, createRangeError(exec, WTF::ASCIILiteral("Invalid comparator function"))); 56 57 JSGlobalObject* globalObject = asInternalFunction(exec->callee())->globalObject(); 58 Structure* mapStructure = globalObject->mapStructure(); 59 return JSValue::encode(JSMap::create(exec, mapStructure)); 60} 61 62ConstructType MapConstructor::getConstructData(JSCell*, ConstructData& constructData) 63{ 64 constructData.native.function = constructMap; 65 return ConstructTypeHost; 66} 67 68CallType MapConstructor::getCallData(JSCell*, CallData& callData) 69{ 70 callData.native.function = constructMap; 71 return CallTypeHost; 72} 73 74} 75