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// Copyright (c) 2006-2008 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
// 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_BRIDGE_H_
#define WEBKIT_GLUE_DEBUGGER_BRIDGE_H_
#include <string>
#include "base/basictypes.h"
#include "base/message_loop.h"
#include "base/ref_counted.h"
#include "v8/include/v8-debug.h"
void V8DebugMessageHandler(const uint16_t* message, int length, void* data);
class DebuggerBridge : public base::RefCountedThreadSafe<DebuggerBridge> {
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
DebuggerBridge(Delegate* del);
virtual ~DebuggerBridge();
// Break V8 execution.
void Break(bool force);
// 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_COPY_AND_ASSIGN(DebuggerBridge);
};
#endif // WEBKIT_GLUE_DEBUGGER_BRIDGE_H_
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