• Home
  • Line#
  • Scopes#
  • Navigate#
  • Raw
  • Download
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 "APIShims.h"
31 #include "JSCallbackObject.h"
32 #include "JSValue.h"
33 #include "JSWeakObjectMapRefInternal.h"
34 #include <wtf/HashMap.h>
35 #include <wtf/text/StringHash.h>
36 
37 using namespace WTF;
38 using namespace JSC;
39 
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43 
JSWeakObjectMapCreate(JSContextRef context,void * privateData,JSWeakMapDestroyedCallback callback)44 JSWeakObjectMapRef JSWeakObjectMapCreate(JSContextRef context, void* privateData, JSWeakMapDestroyedCallback callback)
45 {
46     ExecState* exec = toJS(context);
47     APIEntryShim entryShim(exec);
48     RefPtr<OpaqueJSWeakObjectMap> map = OpaqueJSWeakObjectMap::create(privateData, callback);
49     exec->lexicalGlobalObject()->registerWeakMap(map.get());
50     return map.get();
51 }
52 
JSWeakObjectMapSet(JSContextRef ctx,JSWeakObjectMapRef map,void * key,JSObjectRef object)53 void JSWeakObjectMapSet(JSContextRef ctx, JSWeakObjectMapRef map, void* key, JSObjectRef object)
54 {
55     ExecState* exec = toJS(ctx);
56     APIEntryShim entryShim(exec);
57     JSObject* obj = toJS(object);
58     if (!obj)
59         return;
60     ASSERT(obj->inherits(&JSCallbackObject<JSGlobalObject>::s_info) || obj->inherits(&JSCallbackObject<JSObjectWithGlobalObject>::s_info));
61     map->map().set(exec->globalData(), key, obj);
62 }
63 
JSWeakObjectMapGet(JSContextRef ctx,JSWeakObjectMapRef map,void * key)64 JSObjectRef JSWeakObjectMapGet(JSContextRef ctx, JSWeakObjectMapRef map, void* key)
65 {
66     ExecState* exec = toJS(ctx);
67     APIEntryShim entryShim(exec);
68     return toRef(static_cast<JSObject*>(map->map().get(key)));
69 }
70 
71 // We need to keep this function in the build to keep the nightlies running.
72 JS_EXPORT bool JSWeakObjectMapClear(JSContextRef, JSWeakObjectMapRef, void*, JSObjectRef);
JSWeakObjectMapClear(JSContextRef,JSWeakObjectMapRef,void *,JSObjectRef)73 bool JSWeakObjectMapClear(JSContextRef, JSWeakObjectMapRef, void*, JSObjectRef)
74 {
75     return true;
76 }
77 
78 #ifdef __cplusplus
79 }
80 #endif
81