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