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/* Part of SWI-Prolog interface to Qt
Author: Carlo Capelli
E-mail: cc.carlo.cap@gmail.com
Copyright (c) 2013-2015, Carlo Capelli
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.
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 <QApplication>
#include "pqMainWindow.h"
#include <QFile>
#include <QDebug>
#include <QTextStream>
#include "swipl_win.h"
#undef _SWI_CPP2_CPP_SEPARATE
#undef _SWI_CPP2_CPP_inline
#define _SWI_CPP2_CPP_SEPARATE
#define _SWI_CPP2_CPP_inline
#include <SWI-cpp2.cpp>
static FILE *logfile;
static bool nolog = true;
#if QT_VERSION < 0x050000
static QtMsgHandler previous;
static void logger(QtMsgType type, const char *msg)
{
if (!logfile) {
if (previous)
previous(type, msg);
return;
}
switch (type) {
case QtDebugMsg:
fprintf(logfile, "Debug: %s\n", msg);
break;
case QtWarningMsg:
fprintf(logfile, "Warning: %s\n", msg);
break;
case QtCriticalMsg:
fprintf(logfile, "Critical: %s\n", msg);
break;
case QtFatalMsg:
fprintf(logfile, "Fatal: %s\n", msg);
abort();
}
fflush(logfile);
}
#else
static QtMessageHandler previous;
static void
logger(QtMsgType type, const QMessageLogContext &context, const QString &msg)
{
if ( nolog )
return;
if (!logfile) {
if (previous)
previous(type, context, msg);
return;
}
QByteArray localMsg = msg.toLocal8Bit();
switch (type) {
case QtDebugMsg:
fprintf(logfile, "Debug: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtWarningMsg:
fprintf(logfile, "Warning: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtCriticalMsg:
fprintf(logfile, "Critical: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
case QtFatalMsg:
fprintf(logfile, "Fatal: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
abort();
break;
#if QT_VERSION >= 0x050500
case QtInfoMsg:
fprintf(logfile, "Info: %s (%s:%u, %s)\n", localMsg.constData(), context.file, context.line, context.function);
break;
#endif
}
fflush(logfile);
}
#endif
/* Note that QApplication is created using new to avoid destruction
on program shutdown. Destroying causes a crash in XCloseDisplay()
if xpce was started.
*/
int main(int argc, char *argv[]) {
const char *logname;
if ( (logname = getenv("QDEBUG")) ) {
nolog = false;
if ( strcmp(logname, "stderr") != 0 )
logfile = fopen(logname, "w");
}
#if QT_VERSION < 0x050000
previous = qInstallMsgHandler(logger);
#else
previous = qInstallMessageHandler(logger);
#endif
auto a = new swipl_win(argc, argv);
int rc = a->exec();
qDebug() << "main loop finished" << rc;
delete a;
return rc;
}
/* JW: Hack to compile swipl-win on MacOs 10.7 using g++ 4.8 while
avoiding linking to a new C++ shared object.
*/
#if defined(__ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__) && __ENVIRONMENT_MAC_OS_X_VERSION_MIN_REQUIRED__ < 1070
namespace std {
void __throw_bad_function_call()
{ fprintf(stderr, "Bad function call\n");
exit(1);
}
}
#endif
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