webkitgtk-2.16.5HEADwebkitgtk-2.16.5master

1 files changed, 101 insertions, 0 deletions

diff --git a/Source/JavaScriptCore/API/JSWeakObjectMapRefPrivate.cpp b/Source/JavaScriptCore/API/JSWeakObjectMapRefPrivate.cpp
new file mode 100644
index 000000000..28cf24491
--- /dev/null
+++ b/Source/JavaScriptCore/API/JSWeakObjectMapRefPrivate.cpp
@@ -0,0 +1,101 @@
+/*
+ * Copyright (C) 2010 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. AND ITS CONTRIBUTORS ``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 ITS 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.
+ */
+
+#include "config.h"
+#include "JSWeakObjectMapRefPrivate.h"
+
+#include "APICast.h"
+#include "JSCJSValue.h"
+#include "JSCallbackObject.h"
+#include "JSWeakObjectMapRefInternal.h"
+#include "JSCInlines.h"
+#include "Weak.h"
+#include "WeakGCMapInlines.h"
+
+using namespace WTF;
+using namespace JSC;
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+JSWeakObjectMapRef JSWeakObjectMapCreate(JSContextRef context, void* privateData, JSWeakMapDestroyedCallback callback)
+{
+    ExecState* exec = toJS(context);
+    JSLockHolder locker(exec);
+    RefPtr<OpaqueJSWeakObjectMap> map = OpaqueJSWeakObjectMap::create(exec->vm(), privateData, callback);
+    exec->lexicalGlobalObject()->registerWeakMap(map.get());
+    return map.get();
+}
+
+void JSWeakObjectMapSet(JSContextRef ctx, JSWeakObjectMapRef map, void* key, JSObjectRef object)
+{
+    if (!ctx) {
+        ASSERT_NOT_REACHED();
+        return;
+    }
+    ExecState* exec = toJS(ctx);
+    JSLockHolder locker(exec);
+    JSObject* obj = toJS(object);
+    if (!obj)
+        return;
+    ASSERT(obj->inherits(exec->vm(), JSProxy::info())
+        || obj->inherits(exec->vm(), JSCallbackObject<JSGlobalObject>::info())
+        || obj->inherits(exec->vm(), JSCallbackObject<JSDestructibleObject>::info()));
+    map->map().set(key, obj);
+}
+
+JSObjectRef JSWeakObjectMapGet(JSContextRef ctx, JSWeakObjectMapRef map, void* key)
+{
+    if (!ctx) {
+        ASSERT_NOT_REACHED();
+        return 0;
+    }
+    ExecState* exec = toJS(ctx);
+    JSLockHolder locker(exec);
+    return toRef(jsCast<JSObject*>(map->map().get(key)));
+}
+
+void JSWeakObjectMapRemove(JSContextRef ctx, JSWeakObjectMapRef map, void* key)
+{
+    if (!ctx) {
+        ASSERT_NOT_REACHED();
+        return;
+    }
+    ExecState* exec = toJS(ctx);
+    JSLockHolder locker(exec);
+    map->map().remove(key);
+}
+
+// We need to keep this function in the build to keep the nightlies running.
+JS_EXPORT bool JSWeakObjectMapClear(JSContextRef, JSWeakObjectMapRef, void*, JSObjectRef);
+bool JSWeakObjectMapClear(JSContextRef, JSWeakObjectMapRef, void*, JSObjectRef)
+{
+    return true;
+}
+
+#ifdef __cplusplus
+}
+#endif