feat: Add a generic Application.UnhandledException handler

jeromelaban · Aug 13, 2024 · f35388c · f35388c
1 parent cb5ac18
commit f35388c
Showing 1 changed file with 14 additions and 0 deletions.
diff --git a/src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/XamlFileGenerator.cs b/src/SourceGenerators/Uno.UI.SourceGenerators/XamlGenerator/XamlFileGenerator.cs
@@ -546,6 +546,8 @@ private void BuildApplicationInitializerBody(IndentedStringBuilder writer, XamlO
 				}
 			}
 
+			AttachUnhandledExceptionHandler();
+
 			void ApplyLiteralProperties()
 			{
 				writer.AppendLineIndented("this");
@@ -563,6 +565,18 @@ void ApplyLiteralProperties()
 
 				writer.AppendLineIndented(";");
 			}
+
+			void AttachUnhandledExceptionHandler()
+			{
+				writer.AppendLineIndented($"#if DEBUG && !DISABLE_XAML_GENERATED_BREAK_ON_UNHANDLED_EXCEPTION");
+				writer.AppendLineIndented($"UnhandledException += (s, e) =>");
+				writer.AppendLineIndented("{");
+				writer.Indent();
+				writer.AppendLineIndented("if (global::System.Diagnostics.Debugger.IsAttached) global::System.Diagnostics.Debugger.Break();");
+				writer.Indent(-1);
+				writer.AppendLineIndented("};");
+				writer.AppendLineIndented($"#endif");
+			}
 		}
 
 		/// <summary>