move external debug info in decompiler addin

src/AddIns/Debugger/Debugger.AddIn/Service/WindowsDebugger.cs

@@ -753,7 +753,7 @@ namespace ICSharpCode.SharpDevelop.Services
 				var decompilerService = GetDecompilerService();
 				int token = memberReference.MetadataToken.ToInt32();
 				
-				if (!DebuggerService.ExternalDebugInformation.ContainsKey(token))
+				if (!decompilerService.CheckMappings(token))
 					decompilerService.DecompileOnDemand(memberReference as TypeDefinition);
 				
 				int[] ilRanges;

src/AddIns/DisplayBindings/ILSpyAddIn/DebuggerDecompilerService.cs

@@ -1,6 +1,8 @@
 // Copyright (c) AlphaSierraPapa for the SharpDevelop Team (for details please see \doc\copyright.txt)
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 using System;
+using System.Collections.Concurrent;
+
 using ICSharpCode.Decompiler;
 using ICSharpCode.Decompiler.Ast;
 using ICSharpCode.SharpDevelop.Debugging;
@@ -13,10 +15,21 @@ namespace ICSharpCode.ILSpyAddIn
 	/// </summary>
 	public class DebuggerDecompilerService : IDebuggerDecompilerService
 	{
-		private bool CheckMappings(int typeToken)
+		static DebuggerDecompilerService()
+		{
+			DebugInformation = new ConcurrentDictionary<int, DecompileInformation>();
+		}
+		
+		/// <summary>
+		/// Gets or sets the external debug information.
+		/// <summary>This constains the code mappings and local variables.</summary>
+		/// </summary>
+		internal static ConcurrentDictionary<int, DecompileInformation> DebugInformation { get; private set; }
+		
+		public bool CheckMappings(int typeToken)
 		{
-			object data = null;
-			DebuggerService.ExternalDebugInformation.TryGetValue(typeToken, out data);
+			DecompileInformation data = null;
+			DebugInformation.TryGetValue(typeToken, out data);
 			DecompileInformation information = data as DecompileInformation;
 			
 			if (information == null)
@@ -50,7 +63,7 @@ namespace ICSharpCode.ILSpyAddIn
 				};
 				
 				// save the data
-				DebuggerService.ExternalDebugInformation.AddOrUpdate(token, info, (k, v) => info);
+				DebugInformation.AddOrUpdate(token, info, (k, v) => info);
 			} catch {
 				return;
 			}
@@ -63,7 +76,7 @@ namespace ICSharpCode.ILSpyAddIn
 			if (!CheckMappings(typeToken))
 				return false;
 			
-			var data = (DecompileInformation)DebuggerService.ExternalDebugInformation[typeToken];
+			var data = (DecompileInformation)DebugInformation[typeToken];
 			var mappings = data.CodeMappings;
 			foreach (var key in mappings.Keys) {
 				var list = mappings[key];
@@ -88,8 +101,12 @@ namespace ICSharpCode.ILSpyAddIn
 			if (!CheckMappings(typeToken))
 				return false;
 			
-			var data = (DecompileInformation)DebuggerService.ExternalDebugInformation[typeToken];
+			var data = (DecompileInformation)DebugInformation[typeToken];
 			var mappings = data.CodeMappings;
+			
+			if (!mappings.ContainsKey(memberToken))
+				return false;
+			
 			var map = mappings[memberToken].GetInstructionByTokenAndOffset(memberToken, ilOffset, out isMatch);
 			if (map != null) {
 				ilRange = map.ToArray(isMatch);

src/AddIns/DisplayBindings/ILSpyAddIn/ViewContent/DecompiledViewContent.cs

@@ -178,7 +178,7 @@ namespace ICSharpCode.ILSpyAddIn
 			};
 			
 			// save the data
-			DebuggerService.ExternalDebugInformation.AddOrUpdate(token, info, (k, v) => info);
+			DebuggerDecompilerService.DebugInformation.AddOrUpdate(token, info, (k, v) => info);
 		}
 		
 		void OnDecompilationFinished(StringWriter output)
@@ -216,16 +216,17 @@ namespace ICSharpCode.ILSpyAddIn
 		{
 			if (!DebuggerService.IsDebuggerStarted)
 				return;
-			
 			if (MemberReference == null || MemberReference.MetadataToken == null)
 				return;
 			
 			int typeToken = MemberReference.MetadataToken.ToInt32();			
-			if (!DebuggerService.ExternalDebugInformation.ContainsKey(typeToken))
+			if (!DebuggerDecompilerService.DebugInformation.ContainsKey(typeToken))
+				return;
+			if (DebuggerService.DebugStepInformation == null)
 				return;
 			
 			// get debugging information
-			DecompileInformation debugInformation = (DecompileInformation)DebuggerService.ExternalDebugInformation[typeToken];
+			DecompileInformation debugInformation = (DecompileInformation)DebuggerDecompilerService.DebugInformation[typeToken];
 			int token = DebuggerService.DebugStepInformation.Item1;
 			int ilOffset = DebuggerService.DebugStepInformation.Item2;
 			int line;

src/Main/Base/Project/Src/Services/Debugger/DebuggerService.cs

@@ -2,7 +2,6 @@
 // This code is distributed under the GNU LGPL (for details please see \doc\license.txt)
 
 using System;
-using System.Collections.Concurrent;
 using System.Collections.Generic;
 using System.IO;
 using System.Text;
@@ -35,8 +34,6 @@ namespace ICSharpCode.SharpDevelop.Debugging
 			
 			BookmarkManager.Added   += BookmarkAdded;
 			BookmarkManager.Removed += BookmarkRemoved;
-			
-			ExternalDebugInformation = new ConcurrentDictionary<int, object>();
 		}
 		
 		static void GetDescriptors()
@@ -107,12 +104,6 @@ namespace ICSharpCode.SharpDevelop.Debugging
 		
 		#region Debug third party code
 		
-		/// <summary>
-		/// Gets or sets the external debug information.
-		/// <summary>This constains the code mappings and local variables.</summary>
-		/// </summary>
-		public static ConcurrentDictionary<int, object> ExternalDebugInformation { get; private set; }
-		
 		/// <summary>
 		/// Gets or sets the current token and IL offset. Used for step in/out.
 		/// </summary>
@@ -469,6 +460,11 @@ namespace ICSharpCode.SharpDevelop.Debugging
 	/// </summary>
 	public interface IDebuggerDecompilerService
 	{
+		/// <summary>
+		/// Checks the code mappings.
+		/// </summary>
+		bool CheckMappings(int typeToken);
+		
 		/// <summary>
 		/// Decompiles on demand a type.
 		/// </summary>