-/* $Id$
-
-This file is part of libmspcore
-Copyright © 2006-2008, 2011 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 <msp/io/print.h>
#include "application.h"
-#include "except.h"
+#include "getopt.h"
using namespace std;
/**
Constructs an instance of the registered application class and runs it. If the
-application throws a UsageError, the static usage() function is called.
+application throws a usage_error, a help message is printed. The GetOpt class
+will throw such exceptions automatically in error conditions.
This function can only be called once. The global main() function provided by
the library normally does it automatically at program startup.
static bool called = false;
if(called)
{
- cerr<<"Trying to call Application::run_app twice!\n";
+ IO::cerr.write("Trying to call Application::run_app twice!\n");
return 125;
}
called = true;
if(!starter_)
{
- cerr<<"Trying to run with no RegisteredApplication class!\n";
+ IO::cerr.write("Trying to run with no RegisteredApplication class!\n");
return 126;
}
{
app_ = starter_->create_app(argc, argv);
}
- catch(const UsageError &e)
+ catch(const usage_error &e)
{
- starter_->usage(e.what(), argv[0], e.get_brief());
+ IO::print(IO::cerr, "%s\n%s\n", e.what(), e.help());
return 1;
}
{
delete app_;
-#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
+ display_exception(e);
return 124;
}
}
-/**
-Prints a message describing the usage of the application. The default version
-will blame the programmer for being lazy.
-
-@param reason Why the function was called
-@param argv0 The value of argv[0], to be used in the message
-@param brief Whether to print a brief or long usage message
-*/
-void Application::usage(const char *reason, const char *, bool)
-{
- if(reason)
- cerr<<"UsageError: "<<reason<<'\n';
- cerr<<"The programmer was lazy and didn't write a usage() function for this application.\n";
-}
-
/**
Default main loop. Calls tick() repeatedly until exit() is called. A custom
main loop should monitor the done member variable and return exit_code.
Application::Starter::Starter()
{
if(starter_)
- throw InvalidState("Can't create more than one Starter instance");
+ throw logic_error("Can't create more than one Starter instance");
starter_ = this;
}