1 /* 2 * Copyright (C) 2004 Apple Computer, 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 COMPUTER, INC. ``AS IS'' AND ANY 14 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 16 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL APPLE COMPUTER, INC. OR 17 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 18 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 19 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 20 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY 21 * OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 23 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 24 */ 25 26 #ifndef RUNTIME_ROOT_H_ 27 #define RUNTIME_ROOT_H_ 28 29 #if PLATFORM(MAC) 30 #include "jni_jsobject.h" 31 #endif 32 #include <runtime/Protect.h> 33 34 #include <wtf/HashSet.h> 35 #include <wtf/Noncopyable.h> 36 #include <wtf/RefCounted.h> 37 38 namespace JSC { 39 40 class Interpreter; 41 class JSGlobalObject; 42 class RuntimeObjectImp; 43 44 namespace Bindings { 45 46 class RootObject; 47 48 typedef HashCountedSet<JSObject*> ProtectCountSet; 49 50 extern RootObject* findProtectingRootObject(JSObject*); 51 extern RootObject* findRootObject(JSGlobalObject*); 52 53 class RootObject : public RefCounted<RootObject> { 54 friend class JavaJSObject; 55 56 public: 57 ~RootObject(); 58 59 static PassRefPtr<RootObject> create(const void* nativeHandle, JSGlobalObject*); 60 isValid()61 bool isValid() { return m_isValid; } 62 void invalidate(); 63 64 void gcProtect(JSObject*); 65 void gcUnprotect(JSObject*); 66 bool gcIsProtected(JSObject*); 67 68 const void* nativeHandle() const; 69 JSGlobalObject* globalObject() const; 70 71 void addRuntimeObject(RuntimeObjectImp*); 72 void removeRuntimeObject(RuntimeObjectImp*); 73 private: 74 RootObject(const void* nativeHandle, JSGlobalObject*); 75 76 bool m_isValid; 77 78 const void* m_nativeHandle; 79 ProtectedPtr<JSGlobalObject> m_globalObject; 80 ProtectCountSet m_protectCountSet; 81 82 HashSet<RuntimeObjectImp*> m_runtimeObjects; 83 }; 84 85 } // namespace Bindings 86 87 } // namespace JSC 88 89 #endif // RUNTIME_ROOT_H_ 90