exception logger

src/log.cpp

@@ -1,6 +1,7 @@
 #include "log.hpp"
 
 #include <array>
+#include <exception>
 #include <format>
 #include <print>
 
@@ -151,6 +152,24 @@ namespace anm2ed
     info("Exiting Anm2Ed");
     stderr_redirect_stop();
   }
+
+  int log_exceptions(const std::function<int()>& callback)
+  {
+    try
+    {
+      return callback();
+    }
+    catch (const std::exception& e)
+    {
+      logger.fatal(std::format("Unhandled exception: {}", e.what()));
+    }
+    catch (...)
+    {
+      logger.fatal("Unhandled non-standard exception");
+    }
+
+    return EXIT_FAILURE;
+  }
 }
 
 anm2ed::Logger logger;

src/log.hpp

@@ -1,6 +1,7 @@
 #pragma once
 
 #include <filesystem>
+#include <functional>
 #include <string>
 #include <string_view>
 #include <mutex>
@@ -70,6 +71,8 @@ namespace anm2ed
     ~Logger();
   };
 
+  int log_exceptions(const std::function<int()>&);
+
 }
 
 extern anm2ed::Logger logger;

src/main.cpp

@@ -1,4 +1,5 @@
 #include "loader.hpp"
+#include "log.hpp"
 #include "state.hpp"
 
 #ifdef _WIN32
@@ -10,16 +11,19 @@
 
 int main(int argc, const char** argv)
 {
-  anm2ed::Loader loader(argc, argv);
+  return anm2ed::log_exceptions([&]()
+  {
+    anm2ed::Loader loader(argc, argv);
 
-  if (loader.isError) return EXIT_FAILURE;
+    if (loader.isError) return EXIT_FAILURE;
 
-  anm2ed::State state(loader.window, loader.settings, loader.arguments);
+    anm2ed::State state(loader.window, loader.settings, loader.arguments);
 
-  while (!state.isQuit)
+    while (!state.isQuit)
-    state.loop(loader.window, loader.settings);
+      state.loop(loader.window, loader.settings);
 
-  return EXIT_SUCCESS;
+    return EXIT_SUCCESS;
+  });
 }
 
 #ifdef _WIN32