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      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  *
      8  * 1.  Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  * 2.  Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  * 3.  Neither the name of Apple Computer, Inc. ("Apple") nor the names of
     14  *     its contributors may be used to endorse or promote products derived
     15  *     from this software without specific prior written permission.
     16  *
     17  * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
     18  * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     19  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     20  * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
     21  * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     22  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     23  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
     24  * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     27  */
     28 
     29 #ifndef WebScriptDebugger_h
     30 #define WebScriptDebugger_h
     31 
     32 #include <heap/Strong.h>
     33 #include <debugger/Debugger.h>
     34 
     35 #include <wtf/RetainPtr.h>
     36 
     37 namespace JSC {
     38     class DebuggerCallFrame;
     39     class ExecState;
     40     class JSGlobalObject;
     41     class JSObject;
     42     class ArgList;
     43     class UString;
     44 }
     45 
     46 @class WebScriptCallFrame;
     47 
     48 NSString *toNSString(const JSC::UString&);
     49 
     50 class WebScriptDebugger : public JSC::Debugger {
     51 public:
     52     WebScriptDebugger(JSC::JSGlobalObject*);
     53 
     54     void initGlobalCallFrame(const JSC::DebuggerCallFrame&);
     55 
     56     virtual void sourceParsed(JSC::ExecState*, JSC::SourceProvider*, int errorLine, const JSC::UString& errorMsg);
     57     virtual void callEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
     58     virtual void atStatement(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
     59     virtual void returnEvent(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber);
     60     virtual void exception(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineNumber, bool hasHandler);
     61     virtual void willExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
     62     virtual void didExecuteProgram(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
     63     virtual void didReachBreakpoint(const JSC::DebuggerCallFrame&, intptr_t sourceID, int lineno);
     64 
     65     JSC::JSGlobalObject* globalObject() const { return m_globalObject.get(); }
     66     WebScriptCallFrame *globalCallFrame() const { return m_globalCallFrame.get(); }
     67 
     68 private:
     69     bool m_callingDelegate;
     70     RetainPtr<WebScriptCallFrame> m_topCallFrame;
     71 
     72     JSC::Strong<JSC::JSGlobalObject> m_globalObject;
     73     RetainPtr<WebScriptCallFrame> m_globalCallFrame;
     74 };
     75 
     76 #endif // WebScriptDebugger_h
     77