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/* This file is (c) 2008-2012 Konstantin Isakov <ikm@goldendict.org>
* Part of GoldenDict. Licensed under GPLv3 or later, see the LICENSE file */
#include "termination.hh"
#include <exception>
#include <typeinfo>
#include <cxxabi.h>
#include <string>
#ifndef __WIN32
#include <execinfo.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <QtCore>
using std::string;
static void termHandler()
{
std::string message( "GoldenDict has crashed with an unexpected exception\n\n" );
int status;
char * function = 0;
size_t functionLength = 0;
std::type_info * ti = __cxxabiv1::__cxa_current_exception_type();
if ( ti )
{
char const * name = ti->name();
char * ret = abi::__cxa_demangle( name, function, &functionLength, &status );
if ( ret )
{
function = ret;
name = function;
}
message += "Exception: ";
message += name;
message += '\n';
try
{
throw;
}
catch( std::exception & e )
{
message += "Message: ";
message += e.what();
message += '\n';
}
catch( ... )
{
}
}
else
{
message += "terminate() called without active exception\n";
}
#ifndef __WIN32
message += "\nBacktrace:\n";
const size_t maxDepth = 200;
size_t stackDepth;
void * stackAddrs[ maxDepth ];
char ** stackStrings;
stackDepth = backtrace( stackAddrs, maxDepth );
stackStrings = backtrace_symbols( stackAddrs, stackDepth );
for (size_t i = 1; i < stackDepth; i++)
{
char * begin = 0, * end = 0;
for (char *j = stackStrings[i]; *j; ++j)
{
if (*j == '(')
begin = j + 1;
else if ( begin && ( *j == '+' || *j == ')' ) )
{
end = j;
break;
}
}
string line;
if ( end )
{
char endSymbol = *end;
*end = 0;
char * ret = abi::__cxa_demangle( begin, function, &functionLength, &status );
*end = endSymbol;
if ( ret )
{
function = ret;
line = string( stackStrings[ i ], begin );
line += function;
line += string( end );
}
}
message += " ";
message += line.size() ? line.c_str() : stackStrings[ i ];
message += '\n';
}
#endif
QTemporaryFile file;
if ( file.open() )
{
file.setAutoRemove( false );
file.write( message.data(), message.size() );
QStringList args;
args << "--show-error-file";
args << file.fileName();
file.close();
QProcess::execute( QCoreApplication::applicationFilePath(), args );
abort();
}
}
void installTerminationHandler()
{
std::set_terminate( termHandler );
}
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