Merge pull request #26746 from shartte/godot-trace-listener

Add a custom TraceListener on Startup for Mono

2 files changed, 43 insertions, 0 deletions

diff --git a/modules/mono/glue/Managed/Files/DebuggingUtils.cs b/modules/mono/glue/Managed/Files/DebuggingUtils.cs
index b27816084e..edfe3464ec 100644
--- a/modules/mono/glue/Managed/Files/DebuggingUtils.cs
+++ b/modules/mono/glue/Managed/Files/DebuggingUtils.cs
@@ -19,6 +19,12 @@ namespace Godot
             sb.Append(" ");
         }
 
+        public static void InstallTraceListener()
+        {
+            Trace.Listeners.Clear();
+            Trace.Listeners.Add(new GodotTraceListener());
+        }
+
         public static void GetStackFrameInfo(StackFrame frame, out string fileName, out int fileLineNumber, out string methodDecl)
         {
             fileName = frame.GetFileName();
diff --git a/modules/mono/glue/Managed/Files/GodotTraceListener.cs b/modules/mono/glue/Managed/Files/GodotTraceListener.cs
new file mode 100644
index 0000000000..f1a00ae0fa
--- /dev/null
+++ b/modules/mono/glue/Managed/Files/GodotTraceListener.cs
@@ -0,0 +1,37 @@
+using System;
+using System.Diagnostics;
+
+namespace Godot
+{
+    internal class GodotTraceListener : TraceListener
+    {
+        public override void Write(string message)
+        {
+            GD.PrintRaw(message);
+        }
+
+        public override void WriteLine(string message)
+        {
+            GD.Print(message);
+        }
+
+        public override void Fail(string message, string detailMessage)
+        {
+            GD.PrintErr("Assertion failed: ", message);
+            if (detailMessage != null)
+            {
+                GD.PrintErr("  Details: ", detailMessage);
+            }
+
+            try
+            {
+                var stackTrace = new StackTrace(true).ToString();
+                GD.PrintErr(stackTrace);
+            }
+            catch
+            {
+                // ignored
+            }
+        }
+    }
+}