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 <debugger/DebuggerCallFrame.h> 32 #include <interpreter/CallFrame.h> 33 #include <wtf/Forward.h> 34 #include <wtf/PassRefPtr.h> 35 #include <wtf/RefCounted.h> 36 #include <wtf/text/TextPosition.h> 37 38 namespace WebCore { 39 40 class JavaScriptCallFrame : public RefCounted<JavaScriptCallFrame> { 41 public: create(const JSC::DebuggerCallFrame & debuggerCallFrame,PassRefPtr<JavaScriptCallFrame> caller,intptr_t sourceID,const TextPosition0 & textPosition)42 static PassRefPtr<JavaScriptCallFrame> create(const JSC::DebuggerCallFrame& debuggerCallFrame, PassRefPtr<JavaScriptCallFrame> caller, intptr_t sourceID, const TextPosition0& textPosition) 43 { 44 return adoptRef(new JavaScriptCallFrame(debuggerCallFrame, caller, sourceID, textPosition)); 45 } 46 invalidate()47 void invalidate() 48 { 49 m_isValid = false; 50 m_debuggerCallFrame = 0; 51 } 52 isValid()53 bool isValid() const { return m_isValid; } 54 55 JavaScriptCallFrame* caller(); 56 sourceID()57 intptr_t sourceID() const { return m_sourceID; } position()58 const TextPosition0& position() const { return m_textPosition; } line()59 int line() const { return m_textPosition.m_line.zeroBasedInt(); } column()60 int column() const { return m_textPosition.m_column.zeroBasedInt(); } 61 update(const JSC::DebuggerCallFrame & debuggerCallFrame,intptr_t sourceID,const TextPosition0 & textPosition)62 void update(const JSC::DebuggerCallFrame& debuggerCallFrame, intptr_t sourceID, const TextPosition0& textPosition) 63 { 64 m_debuggerCallFrame = debuggerCallFrame; 65 m_textPosition = textPosition; 66 m_sourceID = sourceID; 67 m_isValid = true; 68 } 69 70 String functionName() const; 71 JSC::DebuggerCallFrame::Type type() const; 72 JSC::ScopeChainNode* scopeChain() const; 73 JSC::JSGlobalObject* dynamicGlobalObject() const; 74 75 JSC::JSObject* thisObject() const; 76 JSC::JSValue evaluate(const JSC::UString& script, JSC::JSValue& exception) const; 77 78 private: 79 JavaScriptCallFrame(const JSC::DebuggerCallFrame&, PassRefPtr<JavaScriptCallFrame> caller, intptr_t sourceID, const TextPosition0&); 80 81 JSC::DebuggerCallFrame m_debuggerCallFrame; 82 RefPtr<JavaScriptCallFrame> m_caller; 83 intptr_t m_sourceID; 84 TextPosition0 m_textPosition; 85 bool m_isValid; 86 }; 87 88 } // namespace WebCore 89 90 #endif // ENABLE(JAVASCRIPT_DEBUGGER) 91 92 #endif // JavaScriptCallFrame_h 93