1 files changed, 117 insertions, 0 deletions
diff --git a/mcs/ilasm/codegen/DebuggingInfo.cs b/mcs/ilasm/codegen/DebuggingInfo.cs
new file mode 100644
index 00000000000..23fcac2b771
--- /dev/null
+++ b/mcs/ilasm/codegen/DebuggingInfo.cs
@@ -0,0 +1,117 @@
+//
+// Mono.ILASM.DebuggingInfo.cs
+//
+// Author(s):
+//  Martin Baulig (martin@ximian.com)
+//
+// Copyright (C) 2004 Novell, Inc.
+//
+
+using PEAPI;
+using System;
+using System.IO;
+using System.Collections;
+using Mono.CompilerServices.SymbolWriter;
+
+namespace Mono.ILASM {
+
+	public class SymbolWriter : MonoSymbolWriter
+	{
+		ArrayList sources;
+		Mono.ILASM.SourceMethod current_method;
+		SourceFile current_source;
+
+		public SymbolWriter (string filename)
+			: base (filename)
+		{
+			sources = new ArrayList ();
+		}
+
+		public Mono.ILASM.SourceMethod BeginMethod (MethodDef method, Location location)
+		{
+			current_method = new Mono.ILASM.SourceMethod (method, location);
+			current_source.AddMethod (current_method);
+			return current_method;
+		}
+
+		public void EndMethod (Location location)
+		{
+			current_method.EndLine = location.line;
+			current_method = null;
+		}
+
+		public void BeginSourceFile (string filename)
+		{
+			current_source = new SourceFile (file, filename);
+			sources.Add (current_source);
+		}
+
+		public void EndSourceFile ()
+		{
+			current_source = null;
+		}
+
+		public void Write (Guid guid)
+		{
+			foreach (SourceFile source in sources)
+				source.Write ();
+
+			WriteSymbolFile (guid);
+		}
+	}
+
+	public class SourceFile : SourceFileEntry
+	{
+		private ArrayList methods = new ArrayList ();
+
+		public SourceFile (MonoSymbolFile file, string filename)
+			: base (file, filename)
+		{ }
+
+		public void AddMethod (SourceMethod method)
+		{
+			methods.Add (method);
+		}
+
+		public void Write ()
+		{
+			foreach (SourceMethod method in methods)
+				method.Write (this);
+		}
+	}
+
+	public class SourceMethod
+	{
+		MethodDef method;
+		ArrayList lines;
+		public int StartLine, EndLine;
+
+		public SourceMethod (MethodDef method, Location start)
+		{
+			this.method = method;
+			this.StartLine = start.line;
+
+			lines = new ArrayList ();
+			MarkLocation (start.line, 0);
+		}
+
+		public void MarkLocation (int line, uint offset)
+		{
+			lines.Add (new LineNumberEntry (line, (int) offset));
+		}
+
+		public void Write (SourceFile file)
+		{
+			PEAPI.MethodDef pemethod = method.PeapiMethodDef;
+
+			LineNumberEntry[] lne = new LineNumberEntry [lines.Count];
+			lines.CopyTo (lne);
+
+			uint token = ((uint) PEAPI.MDTable.Method << 24) | pemethod.Row;
+
+			file.DefineMethod (
+				method.Name, (int) token, null, lne, null,
+				StartLine, EndLine, 0);
+		}
+	}
+}