-/*
+/* $Id$
+
This file is part of libmspcore
Copyright © 2006 Mikko Rasa, Mikkosoft Productions
Distributed under the LGPL
*/
+
#include <signal.h>
#include <iostream>
+#include <typeinfo>
+#include "../debug/backtrace.h"
+#include "../debug/demangle.h"
#include "../time/units.h"
+#include "../time/utils.h"
#include "application.h"
-#include "error.h"
+#include "except.h"
using namespace std;
namespace Msp {
+Application::Application():
+ exit_code(0),
+ loop_mode_(TICK_SLEEP)
+{ }
+
/**
Constructs an instance of the registered application class and runs it. If the
application throws a UsageError, the static usage() function is called.
This function can only be called once. The global main() function provided by
the library normally does it automatically at program startup.
*/
-int Application::run(int argc, char **argv)
+int Application::run(int argc, char **argv, void *data)
{
static bool called=false;
if(called)
return 126;
}
+ data_=data;
+
try
{
- app_=reg_app_->create_app(argc, argv);
+ try
+ {
+ app_=reg_app_->create_app(argc, argv);
+ }
+ catch(const UsageError &e)
+ {
+ reg_app_->usage(e.what(), argv[0], e.get_brief());
+ return 1;
+ }
+
+ int result=app_->main();
+ delete app_;
+ return result;
}
- catch(const UsageError &e)
+ catch(const exception &e)
{
- reg_app_->usage(e.what(), argv[0], e.get_brief());
- return 1;
- }
+ delete app_;
- int result=app_->main();
- delete app_;
- return result;
+#ifdef WIN32
+ string msg=Debug::demangle(typeid(e).name())+":\n"+e.what();
+ MessageBoxA(0, msg.c_str(), "Uncaught exception", MB_OK|MB_ICONERROR);
+#else
+ cerr<<"An uncaught exception occurred.\n";
+ cerr<<" type: "<<Debug::demangle(typeid(e).name())<<'\n';
+ cerr<<" what(): "<<e.what()<<'\n';
+
+ const Exception *exc=dynamic_cast<const Exception *>(&e);
+ if(exc && !exc->get_backtrace().get_frames().empty())
+ {
+ cerr<<" backtrace:\n";
+ const list<Debug::Backtrace::StackFrame> &frames=exc->get_backtrace().get_frames();
+ for(list<Debug::Backtrace::StackFrame>::const_iterator i=frames.begin(); i!=frames.end(); ++i)
+ cerr<<" "<<*i<<'\n';
+ }
+#endif
+
+ return 124;
+ }
}
/**
void Application::usage(const char *reason, const char *, bool)
{
if(reason)
- cerr<<reason<<'\n';
+ cerr<<"UsageError: "<<reason<<'\n';
cerr<<"The programmer was lazy and didn't write a usage() function for this application.\n";
}
-Application::Application():
- exit_code(0),
- loop_mode_(TICK_SLEEP)
-{ }
-
/**
Default main loop. Behavior depends on loop_mode_. A custom main loop should
monitor the done member variable and return exit_code.
else if(loop_mode_==TICK_SLEEP)
{
tick();
- sleep(Time::msec);
+ Time::sleep(Time::msec);
}
else if(loop_mode_==TICK_YIELD)
{
sched_yield();
#endif
}
+ else if(loop_mode_==TICK_BUSY)
+ tick();
}
return exit_code;
app_->sighandler(s);
}
+
Application::RegBase::RegBase()
{
if(reg_app_)
Application *Application::app_=0;
Application::RegBase *Application::reg_app_=0;
+void *Application::data_=0;
} // namespace Msp