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