1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/*
* Copyright (C) 2013, 2016 Apple Inc. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY APPLE INC. ``AS IS'' AND ANY
* EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY
* OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#pragma once
#include "HashMapImpl.h"
#include "JSObject.h"
namespace JSC {
class JSMapIterator;
class JSMap final : public HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>> {
using Base = HashMapImpl<HashMapBucket<HashMapBucketDataKeyValue>>;
public:
friend class JSMapIterator;
DECLARE_EXPORT_INFO;
static Structure* createStructure(VM& vm, JSGlobalObject* globalObject, JSValue prototype)
{
return Structure::create(vm, globalObject, prototype, TypeInfo(JSMapType, StructureFlags), info());
}
static JSMap* create(ExecState* exec, VM& vm, Structure* structure)
{
JSMap* instance = new (NotNull, allocateCell<JSMap>(vm.heap)) JSMap(vm, structure);
instance->finishCreation(exec, vm);
return instance;
}
ALWAYS_INLINE void set(ExecState* exec, JSValue key, JSValue value)
{
add(exec, key, value);
}
bool isIteratorProtocolFastAndNonObservable();
bool canCloneFastAndNonObservable(Structure*);
JSMap* clone(ExecState*, VM&, Structure*);
private:
JSMap(VM& vm, Structure* structure)
: Base(vm, structure)
{
}
static String toStringName(const JSObject*, ExecState*);
};
inline bool isJSMap(JSCell* from)
{
static_assert(std::is_final<JSMap>::value, "");
return from->type() == JSMapType;
}
inline bool isJSMap(JSValue from)
{
static_assert(std::is_final<JSMap>::value, "");
return from.isCell() && from.asCell()->type() == JSMapType;
}
} // namespace JSC
|
