//
// Debugger.h
//
// $Id: //poco/Main/Foundation/include/Foundation/Debugger.h#5 $
//
// Definition of the Debugger class.
//
// Copyright (c) 2004, Guenter Obiltschnig/Applied Informatics.
// All rights reserved.
// 
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
// 
// 1. Redistributions of source code must retain the above copyright
//    notice, this list of conditions and the following disclaimer.
// 
// 2. 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.
// 
// 3. Redistributions in any form must be accompanied by information on
//    how to obtain complete source code for this software and any
//    accompanying software that uses this software.  The source code
//    must either be included in the distribution or be available for no
//    more than the cost of distribution plus a nominal fee, and must be
//    freely redistributable under reasonable conditions.  For an
//    executable file, complete source code means the source code for all
//    modules it contains.  It does not include source code for modules or
//    files that typically accompany the major components of the operating
//    system on which the executable file runs.
// 
// 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
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// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
//


#ifndef Foundation_Debugger_INCLUDED
#define Foundation_Debugger_INCLUDED


#ifndef Foundation_Foundation_INCLUDED
#include "Foundation/Foundation.h"
#endif


Foundation_BEGIN


class Foundation_API Debugger
	/// The Debugger class provides an interface to the debugger.
	/// The presence of a debugger can be checked for,
	/// messages can be written to the debugger's log window
	/// and a break into the debugger can be enforced.
	/// The methods only work if the program is compiled
	/// in debug mode (the macro _DEBUG is defined).
{
public:
	static bool isAvailable();
		/// Returns true if a debugger is available, false otherwise.
		/// On Windows, this function uses the IsDebuggerPresent()
		/// function.
		/// On Unix, this function returns true if the environment
		/// variable POCO_ENABLE_DEBUGGER is set.
		/// On OpenVMS, this function always returns true in debug,
		/// mode, false otherwise.

	static void message(const std::string& msg);
		/// Writes a message to the debugger log, if available, otherwise to
		/// standard error output.

	static void message(const std::string& msg, const char* file, int line);
		/// Writes a message to the debugger log, if available, otherwise to
		/// standard error output.

	static void enter();
		/// Breaks into the debugger, if it is available.
		/// On Windows, this is done using the DebugBreak() function.
		/// On Unix, the SIGINT signal is raised.
		/// On OpenVMS, the SS$_DEBUG signal is raised.

	static void enter(const std::string& msg);
		/// Writes a debug message to the debugger log and breaks into it.

	static void enter(const std::string& msg, const char* file, int line);
		/// Writes a debug message to the debugger log and breaks into it.

	static void enter(const char* file, int line);
		/// Writes a debug message to the debugger log and breaks into it.
};


Foundation_END


#endif // Foundation_Debugger_INCLUDED