debugger.cpp

This software aims to create an applet and panel tools to manage a wireless interface card, such as

//
// Debugger.cpp
//
// $Id: //poco/Main/Foundation/src/Debugger.cpp#5 $
//
// 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
// 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.
//


#include "Foundation/Debugger.h"
#include <sstream>
#include <stdlib.h>
#include <stdio.h>
#if defined(POCO_OS_FAMILY_WINDOWS)
	#include <windows.h>
#elif defined(POCO_OS_FAMILY_UNIX)
	#include <unistd.h>
	#include <signal.h>
#elif defined(POCO_OS_FAMILY_VMS)
	#include <lib$routines.h>
	#include <ssdef.h>
#endif


// NOTE: In this module, we use the C library functions (fputs) for,
// output since, at the time we're called, the C++ iostream objects std::cout, etc.
// might not have been initialized yet.


Foundation_BEGIN


bool Debugger::isAvailable()
{
#if defined(_DEBUG)
	#if defined(POCO_OS_FAMILY_WINDOWS)
		return IsDebuggerPresent() ? true : false;
	#elif defined(POCO_OS_FAMILY_UNIX)
		return getenv("POCO_ENABLE_DEBUGGER") ? true : false;
	#elif defined(POCO_OS_FAMILY_VMS)
		return true;
	#endif
#else
	return false;
#endif
}


void Debugger::message(const std::string& msg)
{
#if defined(_DEBUG)
	fputs("\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n", stderr);
	fputs(msg.c_str(), stderr);
	fputs("\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n", stderr);
	#if defined(POCO_OS_FAMILY_WINDOWS)
	if (IsDebuggerPresent())
	{
		OutputDebugString(msg.c_str());
		OutputDebugString("\n");
	}
	#elif defined(POCO_OS_FAMILY_UNIX)
	#elif defined(POCO_OS_FAMILY_VMS)
	#endif
#endif
}


void Debugger::message(const std::string& msg, const char* file, int line)
{
#if defined(_DEBUG)
	std::ostringstream str;
	str << msg << " [in file \"" << file << "\", line " << line << "]";
	message(str.str());
#endif
}


void Debugger::enter()
{
#if defined(_DEBUG)
	#if defined(POCO_OS_FAMILY_WINDOWS)
	if (IsDebuggerPresent())
	{
		DebugBreak();
	}
	#elif defined(POCO_OS_FAMILY_UNIX)
	if (isAvailable())
	{
		kill(getpid(), SIGINT);
	}
	#elif defined(POCO_OS_FAMILY_VMS)
	{
		const char* cmd = "\012SHOW CALLS";
		lib$signal(SS$_DEBUG, 1, cmd);
	}
	#endif
#endif
}


void Debugger::enter(const std::string& msg)
{
#if defined(_DEBUG)
	message(msg);
	enter();
#endif
}


void Debugger::enter(const std::string& msg, const char* file, int line)
{
#if defined(_DEBUG)
	message(msg, file, line);
	enter();
#endif
}


void Debugger::enter(const char* file, int line)
{
#if defined(_DEBUG)
	message("BREAK", file, line);
	enter();
#endif
}


Foundation_END