1 /* 2 * Copyright (C) 2008 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. ``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 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 JavaScriptCallFrame_h 27 #define JavaScriptCallFrame_h 28 29 #if ENABLE(JAVASCRIPT_DEBUGGER) && USE(JSC) 30 31 #include <interpreter/CallFrame.h> 32 #include <wtf/PassRefPtr.h> 33 #include <wtf/RefCounted.h> 34 #include <debugger/DebuggerCallFrame.h> 35 36 namespace WebCore { 37 38 class String; 39 40 class JavaScriptCallFrame : public RefCounted<JavaScriptCallFrame> { 41 public: 42 static PassRefPtr<JavaScriptCallFrame> create(const JSC::DebuggerCallFrame& debuggerCallFrame, PassRefPtr<JavaScriptCallFrame> caller, intptr_t sourceID, int line) 43 { 44 return adoptRef(new JavaScriptCallFrame(debuggerCallFrame, caller, sourceID, line)); 45 } 46 47 void invalidate() 48 { 49 m_isValid = false; 50 m_debuggerCallFrame = 0; 51 } 52 53 bool isValid() const { return m_isValid; } 54 55 JavaScriptCallFrame* caller(); 56 57 intptr_t sourceID() const { return m_sourceID; } 58 int line() const { return m_line; } 59 void update(const JSC::DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, int line) 60 { 61 m_debuggerCallFrame = debuggerCallFrame; 62 m_line = line; 63 m_sourceID = sourceID; 64 m_isValid = true; 65 } 66 67 String functionName() const; 68 JSC::DebuggerCallFrame::Type type() const; 69 const JSC::ScopeChainNode* scopeChain() const; 70 JSC::JSGlobalObject* dynamicGlobalObject() const; 71 72 JSC::JSObject* thisObject() const; 73 JSC::JSValue evaluate(const JSC::UString& script, JSC::JSValue& exception) const; 74 75 private: 76 JavaScriptCallFrame(const JSC::DebuggerCallFrame&, PassRefPtr<JavaScriptCallFrame> caller, intptr_t sourceID, int line); 77 78 JSC::DebuggerCallFrame m_debuggerCallFrame; 79 RefPtr<JavaScriptCallFrame> m_caller; 80 intptr_t m_sourceID; 81 int m_line; 82 bool m_isValid; 83 }; 84 85 } // namespace WebCore 86 87 #endif // ENABLE(JAVASCRIPT_DEBUGGER) 88 89 #endif // JavaScriptCallFrame_h 90