1/*
2 * Copyright (C) 2016 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. AND ITS CONTRIBUTORS ``AS IS''
14 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
15 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS
17 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
18 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
19 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
20 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
21 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
22 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
23 * THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#pragma once
27
28#include "IDLTypes.h"
29#include "JSDOMConvertBase.h"
30#include <JavaScriptCore/StrongInlines.h>
31
32namespace WebCore {
33
34template<> struct Converter<IDLObject> : DefaultConverter<IDLObject> {
35
36 static constexpr bool conversionHasSideEffects = false;
37
38 template<typename ExceptionThrower = DefaultExceptionThrower>
39 static JSC::Strong<JSC::JSObject> convert(JSC::ExecState& state, JSC::JSValue value, ExceptionThrower&& exceptionThrower = ExceptionThrower())
40 {
41 JSC::VM& vm = state.vm();
42 auto scope = DECLARE_THROW_SCOPE(vm);
43
44 if (!value.isObject()) {
45 exceptionThrower(state, scope);
46 return { };
47 }
48
49 return { vm, JSC::asObject(value) };
50 }
51};
52
53template<> struct JSConverter<IDLObject> {
54 static constexpr bool needsState = false;
55 static constexpr bool needsGlobalObject = false;
56
57 static JSC::JSValue convert(const JSC::Strong<JSC::JSObject>& value)
58 {
59 return value.get();
60 }
61};
62
63} // namespace WebCore
64