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
31namespace WebCore {
32
33template<> struct Converter<IDLAny> : DefaultConverter<IDLAny> {
34 using ReturnType = JSC::JSValue;
35
36 static constexpr bool conversionHasSideEffects = false;
37
38 static JSC::JSValue convert(JSC::ExecState&, JSC::JSValue value)
39 {
40 return value;
41 }
42
43 static JSC::JSValue convert(const JSC::Strong<JSC::Unknown>& value)
44 {
45 return value.get();
46 }
47};
48
49template<> struct JSConverter<IDLAny> {
50 static constexpr bool needsState = false;
51 static constexpr bool needsGlobalObject = false;
52
53 static JSC::JSValue convert(const JSC::JSValue& value)
54 {
55 return value;
56 }
57
58 static JSC::JSValue convert(const JSC::Strong<JSC::Unknown>& value)
59 {
60 return value.get();
61 }
62};
63
64template<> struct VariadicConverter<IDLAny> {
65 using Item = typename IDLAny::ImplementationType;
66
67 static Optional<Item> convert(JSC::ExecState& state, JSC::JSValue value)
68 {
69 auto& vm = state.vm();
70 auto scope = DECLARE_THROW_SCOPE(vm);
71
72 auto result = Converter<IDLAny>::convert(state, value);
73 RETURN_IF_EXCEPTION(scope, WTF::nullopt);
74
75 return Item { vm, result };
76 }
77};
78
79} // namespace WebCore
80