WebCore/inspector/JavaScriptCallFrame.h

   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)
  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