-#ifdef WIN32
-#include <windows.h>
-#endif
-#include <signal.h>
+#include <cstring>
#include <typeinfo>
+#include <signal.h>
#include <msp/debug/demangle.h>
+#include <msp/debug/errorreporter.h>
+#include <msp/fs/dir.h>
+#include <msp/fs/path.h>
+#include <msp/fs/utils.h>
#include <msp/io/print.h>
#include "application.h"
#include "getopt.h"
Application *Application::app_ = 0;
Application::Starter *Application::starter_ = 0;
+const char *Application::argv0_ = 0;
+string Application::name_;
void *Application::data_ = 0;
-Application::Application():
+Application::Application(const string &n):
exit_code(0)
-{ }
+{
+ if(app_)
+ throw logic_error("instance already exists");
-/**
-Constructs an instance of the registered application class and runs it. If the
-application throws a usage_error, a help message is printed. The GetOpt class
-will throw such exceptions automatically in error conditions.
+ if(!n.empty())
+ name_ = n;
+ else
+ name_ = FS::basename(argv0_);
+}
-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, void *data)
+int Application::run(int argc, char **argv, void *data, void (*created_callback)(void *))
{
- static bool called = false;
- if(called)
- {
- IO::cerr.write("Trying to call Application::run_app twice!\n");
- return 125;
- }
- called = true;
-
if(!starter_)
{
- IO::cerr.write("Trying to run with no RegisteredApplication class!\n");
+ IO::cerr.write("Application::run called with no RegisteredApplication class!\n");
return 126;
}
- data_ = data;
+ set_startup_info(argv[0], data);
try
{
return 1;
}
+ if(created_callback)
+ created_callback(data);
+
int result = app_->main();
Application *a = app_;
app_ = 0;
}
catch(const exception &e)
{
- delete app_;
+ bool handled = false;
+ if(const Debug::ErrorReporter *er = Debug::ErrorReporter::get_current())
+ handled = er->report_uncaught_exception(e);
+
+ if(!handled)
+ {
+ IO::print(IO::cerr, "An uncaught exception occurred.\n");
+ IO::print(IO::cerr, " type: %s\n", Debug::demangle(typeid(e).name()));
+ IO::print(IO::cerr, " what(): %s\n", e.what());
+ }
-#ifdef WIN32
- string msg = Debug::demangle(typeid(e).name())+":\n"+e.what();
- MessageBoxA(0, msg.c_str(), "Uncaught exception", MB_OK|MB_ICONERROR);
-#else
- IO::print(IO::cerr, "An uncaught exception occurred.\n");
- IO::print(IO::cerr, " type: %s\n", Debug::demangle(typeid(e).name()));
- IO::print(IO::cerr, " what(): %s\n", e.what());
-#endif
+ delete app_;
+ app_ = 0;
return 124;
}
}
-/**
-Default main loop. Calls tick() repeatedly until exit() is called. A custom
-main loop should monitor the done member variable and return exit_code.
-*/
+void Application::set_startup_info(const char *argv0, void *data)
+{
+ if(argv0_)
+ throw logic_error("startup info already set");
+
+ static FS::Path exe;
+
+ bool has_slash = strchr(argv0, FS::DIRSEP);
+ if(!has_slash)
+ exe = FS::path_lookup(argv0);
+ if(exe.empty())
+ exe = FS::realpath(argv0);
+
+ argv0_ = exe.c_str();
+ data_ = data;
+}
+
int Application::main()
{
done = false;
return exit_code;
}
-/**
-Sets the specified signal to be delivered to the sighandler member function.
-*/
void Application::catch_signal(int s)
{
signal(s, &sighandler_);
}
-/**
-Causes the application to exit gracefully with the given exit code.
-*/
void Application::exit(int c)
{
done = true;
exit_code = c;
}
-/**
-Static wrapper function to call a member function of the Application instance.
-*/
void Application::sighandler_(int s)
{
app_->sighandler(s);