fix #364: Stack Pad is horribly slow with "Show argument values" option active

src/AddIns/Debugger/Debugger.AddIn/Pads/CallStackPad.cs

@@ -157,7 +157,7 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 				return new CallStackItem() {
 					Frame = frame,
 					ImageSource = SD.ResourceService.GetImageSource("Icons.16x16.Method"),
-					Name = GetFullName(frame),
+					Name = GetFullName(frame, hasSymbols),
 					HasSymbols = hasSymbols,
 				};
 			} else {
@@ -172,7 +172,7 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 			}
 		}
 		
-		internal static string GetFullName(StackFrame frame)
+		static string GetFullName(StackFrame frame, bool hasSymbols)
 		{
 			StringBuilder name = new StringBuilder(64);
 			if (DebuggingOptions.Instance.ShowModuleNames) {
@@ -193,7 +193,7 @@ namespace ICSharpCode.SharpDevelop.Gui.Pads
 					}
 					if (DebuggingOptions.Instance.ShowArgumentValues) {
 						try {
-							name.Append(frame.GetArgumentValue(i).AsString(100));
+							name.Append(frame.GetArgumentValue(i, hasSymbols).AsString(100));
 						} catch (GetValueException) {
 							name.Append(ResourceService.GetString("Global.NA"));
 						}

src/AddIns/Debugger/Debugger.Core/StackFrame.cs

@@ -282,13 +282,15 @@ namespace Debugger
 		}
 		
 		/// <summary> Gets argument with a given name </summary>
-		public Value GetArgumentValue(string name)
+		public Value GetArgumentValue(string name, bool checkCapturedVariables = true)
 		{
-			for (int i = 0; i < this.MethodInfo.Parameters.Count; i++) {
-				if (this.MethodInfo.Parameters[i].Name == name) {
+			if (checkCapturedVariables) {
 				LocalVariable capturedVar;
 				if (HasCapturedVariable(name, out capturedVar))
 					return capturedVar.GetValue(this);
+			}
+			for (int i = 0; i < this.MethodInfo.Parameters.Count; i++) {
+				if (this.MethodInfo.Parameters[i].Name == name) {
 					return GetArgumentValue(i);
 				}
 			}
@@ -297,12 +299,14 @@ namespace Debugger
 		
 		/// <summary> Gets argument with a given index </summary>
 		/// <param name="index"> Zero-based index </param>
-		public Value GetArgumentValue(int index)
+		public Value GetArgumentValue(int index, bool checkCapturedVariables = true)
 		{
 			var param = this.MethodInfo.Parameters[index];
+			if (checkCapturedVariables) {
 				LocalVariable capturedVariable;
 				if (HasCapturedVariable(param.Name, out capturedVariable))
 					return capturedVariable.GetValue(this);
+			}
 			return new Value(this.AppDomain, GetArgumentCorValue(index));
 		}
 		

src/AddIns/DisplayBindings/ILSpyAddIn/ILSpyDecompilerService.cs

@@ -134,9 +134,11 @@ namespace ICSharpCode.ILSpyAddIn
 		{
 			if (name == null)
 				throw new ArgumentNullException("name");
+			using (DebugTimer.Time("DecompileType: " + name.ToFileName())) {
 				var astBuilder = CreateAstBuilder(name, cancellationToken);
 				return new ILSpyFullParseInformation(ILSpyUnresolvedFile.Create(name, astBuilder), null, astBuilder.SyntaxTree);
 			}
+		}
 		
 		static AstBuilder CreateAstBuilder(DecompiledTypeReference name, CancellationToken cancellationToken = default(CancellationToken))
 		{
@@ -152,11 +154,6 @@ namespace ICSharpCode.ILSpyAddIn
 			astBuilder.AddType(typeDefinition);
 			return astBuilder;
 		}
-		
-		static ILSpyUnresolvedFile DoDecompile(DecompiledTypeReference name, CancellationToken cancellationToken = default(CancellationToken))
-		{
-			return ILSpyUnresolvedFile.Create(name, CreateAstBuilder(name, cancellationToken));
-		}
 	}
 	
 	public class DecompiledTypeReference : IEquatable<DecompiledTypeReference>

src/AddIns/DisplayBindings/ILSpyAddIn/ILSpySymbolSource.cs

@@ -28,6 +28,7 @@ namespace ICSharpCode.ILSpyAddIn
 		{
 			var typeName = DecompiledTypeReference.FromTypeDefinition(method.DeclaringTypeDefinition);
 			if (typeName == null) return null;
+			SD.Log.DebugFormatted("GetSymbols for: {0}", typeName.ToFileName());
 			return SD.ParserService.ParseFile(typeName.ToFileName()) as ILSpyUnresolvedFile;
 		}