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Debugger.cpp
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//
// Debugger.cpp
//
// $Id: //poco/1.4/Foundation/src/Debugger.cpp#3 $
//
// Library: Foundation
// Package: Core
// Module: Debugger
//
// Copyright (c) 2004-2006, Applied Informatics Software Engineering GmbH.
// and Contributors.
//
// Permission is hereby granted, free of charge, to any person or organization
// obtaining a copy of the software and accompanying documentation covered by
// this license (the "Software") to use, reproduce, display, distribute,
// execute, and transmit the Software, and to prepare derivative works of the
// Software, and to permit third-parties to whom the Software is furnished to
// do so, all subject to the following:
//
// The copyright notices in the Software and this entire statement, including
// the above license grant, this restriction and the following disclaimer,
// must be included in all copies of the Software, in whole or in part, and
// all derivative works of the Software, unless such copies or derivative
// works are solely in the form of machine-executable object code generated by
// a source language processor.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
// FITNESS FOR A PARTICULAR PURPOSE, TITLE AND NON-INFRINGEMENT. IN NO EVENT
// SHALL THE COPYRIGHT HOLDERS OR ANYONE DISTRIBUTING THE SOFTWARE BE LIABLE
// FOR ANY DAMAGES OR OTHER LIABILITY, WHETHER IN CONTRACT, TORT OR OTHERWISE,
// ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
// DEALINGS IN THE SOFTWARE.
//
#include "Poco/Debugger.h"
#include <sstream>
#include <cstdlib>
#include <cstdio>
#if defined(POCO_OS_FAMILY_WINDOWS)
#include "Poco/UnWindows.h"
#elif defined(POCO_OS_FAMILY_UNIX) && !defined(POCO_VXWORKS)
#include <unistd.h>
#include <signal.h>
#elif defined(POCO_OS_FAMILY_VMS)
#include <lib$routines.h>
#include <ssdef.h>
#endif
#if defined(POCO_WIN32_UTF8) && !defined(POCO_NO_WSTRING)
#include "Poco/UnicodeConverter.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.
namespace Poco {
bool Debugger::isAvailable()
{
#if defined(_DEBUG)
#if defined(POCO_OS_FAMILY_WINDOWS)
#if defined(_WIN32_WCE)
#if (_WIN32_WCE >= 0x600)
BOOL isDebuggerPresent;
if (CheckRemoteDebuggerPresent(GetCurrentProcess(), &isDebuggerPresent))
{
return isDebuggerPresent ? true : false;
}
return false;
#else
return false;
#endif
#else
return IsDebuggerPresent() ? true : false;
#endif
#elif defined(POCO_VXWORKS)
return false;
#elif defined(POCO_OS_FAMILY_UNIX)
return std::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)
std::fputs("\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n", stderr);
std::fputs(msg.c_str(), stderr);
std::fputs("\n%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%\n", stderr);
#if defined(POCO_OS_FAMILY_WINDOWS)
if (isAvailable())
{
#if defined(POCO_WIN32_UTF8) && !defined(POCO_NO_WSTRING)
std::wstring umsg;
UnicodeConverter::toUTF16(msg, umsg);
umsg += '\n';
OutputDebugStringW(umsg.c_str());
#else
OutputDebugStringA(msg.c_str());
OutputDebugStringA("\n");
#endif
}
#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 (isAvailable())
{
DebugBreak();
}
#elif defined(POCO_VXWORKS)
{
// not supported
}
#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
}
} // namespace Poco