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6502bench/CommonUtil/Misc.cs
Andy McFadden 02f6e884d7 Fix startup issues
- MakeDist now copies CommonWPF.dll.
- Spent a bunch of time tracking down a null-pointer deref that only
  happened when you didn't start with a config file.  Fixed.
- The NPE was causing the program to exit without any sort of useful
  diagnostic, so I added an uncaught exception handler that writes
  the crash to a text file in the current directory.
- Added a trace listener definition to App.config that writes log
  messages to a file, but it can't generally be enabled at runtime
  because you can't write files from inside the sandbox.  So it's
  there but commented out.
- Made the initial size of the main window a little wider.
2019-07-20 17:36:12 -07:00

69 lines
2.6 KiB
C#

/*
* Copyright 2018 faddenSoft
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
using System;
using System.Diagnostics;
using System.IO;
using System.Linq;
namespace CommonUtil {
public static class Misc {
// Given a type, dump all namespaces found in the same assembly.
// https://stackoverflow.com/a/1549216/294248
public static void DumpNamespacesInAssembly(Type type) {
Console.WriteLine("Assembly: " + type.Assembly.Location);
Type[] typeList = type.Assembly.GetTypes();
var namespaces = typeList.Select(t => t.Namespace).Distinct();
foreach (string ns in namespaces) {
Console.WriteLine(" " + ns);
}
}
/// <summary>
/// Writes an unhandled exception trace to a crash file.
/// </summary>
/// <remarks>
/// Usage:
/// AppDomain.CurrentDomain.UnhandledException +=
/// new UnhandledExceptionEventHandler(CommonUtil.Misc.CrashReporter);
///
/// Thanks: https://stackoverflow.com/a/21308327/294248
/// </remarks>
public static void CrashReporter(object sender, UnhandledExceptionEventArgs e) {
const string CRASH_PATH = @"CrashLog.txt";
Exception ex = (Exception)e.ExceptionObject;
Debug.WriteLine("CRASHING (term=" + e.IsTerminating + "): " + ex);
try {
using (StreamWriter writer = new StreamWriter(CRASH_PATH, true)) {
writer.WriteLine("*** " + DateTime.Now.ToLocalTime() + " ***");
while (ex != null) {
writer.WriteLine(ex.GetType().FullName + ": " + ex.Message);
writer.WriteLine("Trace:");
writer.WriteLine(ex.StackTrace);
writer.WriteLine(string.Empty);
ex = ex.InnerException;
}
}
} catch {
// damn it
Debug.WriteLine("Crashed while crashing");
}
}
}
}