1/*
2 * Copyright (C) 2010 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#include "config.h"
27#include "JSWeakObjectMapRefPrivate.h"
28
29#include "APICast.h"
30#include "JSCJSValue.h"
31#include "JSCallbackObject.h"
32#include "JSWeakObjectMapRefInternal.h"
33#include "JSCInlines.h"
34#include "Weak.h"
35#include "WeakGCMapInlines.h"
36
37using namespace JSC;
38
39#ifdef __cplusplus
40extern "C" {
41#endif
42
43JSWeakObjectMapRef JSWeakObjectMapCreate(JSContextRef context, void* privateData, JSWeakMapDestroyedCallback callback)
44{
45 ExecState* exec = toJS(context);
46 VM& vm = exec->vm();
47 JSLockHolder locker(vm);
48 auto map = OpaqueJSWeakObjectMap::create(vm, privateData, callback);
49 exec->lexicalGlobalObject()->registerWeakMap(map.ptr());
50 return map.ptr();
51}
52
53void JSWeakObjectMapSet(JSContextRef ctx, JSWeakObjectMapRef map, void* key, JSObjectRef object)
54{
55 if (!ctx) {
56 ASSERT_NOT_REACHED();
57 return;
58 }
59 ExecState* exec = toJS(ctx);
60 VM& vm = exec->vm();
61 JSLockHolder locker(vm);
62 JSObject* obj = toJS(object);
63 if (!obj)
64 return;
65 ASSERT(obj->inherits<JSProxy>(vm)
66 || obj->inherits<JSCallbackObject<JSGlobalObject>>(vm)
67 || obj->inherits<JSCallbackObject<JSDestructibleObject>>(vm));
68 map->map().set(key, obj);
69}
70
71JSObjectRef JSWeakObjectMapGet(JSContextRef ctx, JSWeakObjectMapRef map, void* key)
72{
73 if (!ctx) {
74 ASSERT_NOT_REACHED();
75 return 0;
76 }
77 ExecState* exec = toJS(ctx);
78 JSLockHolder locker(exec);
79 return toRef(jsCast<JSObject*>(map->map().get(key)));
80}
81
82void JSWeakObjectMapRemove(JSContextRef ctx, JSWeakObjectMapRef map, void* key)
83{
84 if (!ctx) {
85 ASSERT_NOT_REACHED();
86 return;
87 }
88 ExecState* exec = toJS(ctx);
89 JSLockHolder locker(exec);
90 map->map().remove(key);
91}
92
93// We need to keep this function in the build to keep the nightlies running.
94JS_EXPORT bool JSWeakObjectMapClear(JSContextRef, JSWeakObjectMapRef, void*, JSObjectRef);
95bool JSWeakObjectMapClear(JSContextRef, JSWeakObjectMapRef, void*, JSObjectRef)
96{
97 return true;
98}
99
100#ifdef __cplusplus
101}
102#endif
103