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// Copyright 2008, Google Inc.
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions are
// met:
//
// * Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
// * Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following disclaimer
// in the documentation and/or other materials provided with the
// distribution.
// * Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived from
// this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
// An interface to the V8 debugger. This is in WebKit in order to isolate
// the renderer from a direct V8 dependency.
#ifndef WEBKIT_GLUE_DEBUGGER_H
#define WEBKIT_GLUE_DEBUGGER_H
#include <string>
#include "base/basictypes.h"
#include "base/message_loop.h"
#include "v8/public/debug.h"
void V8DebugMessageHandler(const uint16_t* message, int length, void* data);
class Debugger : public base::RefCountedThreadSafe<Debugger> {
public:
class Delegate {
public:
virtual void DebuggerOutput(const std::wstring& data) = 0;
};
// When constructed, the underlying V8 debugger is initialized and connected
// to the internals of this object. The provided delegate received output
// from the debugger. This output may be spontaneous (error messages,
// exceptions, etc.) or the output from a command.
// NOTE: the delegate will be called from another thread
Debugger(Debugger::Delegate* del);
virtual ~Debugger();
// Sends a command to the debugger (same as v8 command-line debugger).
// Results from the command come asynchronously.
// TODO(erikkay): link command output to a particular command
void Command(const std::wstring& cmd);
// Attach and detach from the V8 debug message handler.
void Attach();
void Detach();
private:
friend void V8DebugMessageHandler(const uint16_t* message, int length, void* data);
// Called by the LocalDebugSession so that the delegate can called in the
// appropriate thread.
void OutputLater(const std::wstring& cmd);
// Calls the delegate. This method is called in the delegate's thread.
void Output(const std::wstring& out);
Delegate* delegate_;
MessageLoop* delegate_loop_;
bool attached_;
DISALLOW_EVIL_CONSTRUCTORS(Debugger);
};
#endif // WEBKIT_GLUE_DEBUGGER_H
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