Only the following values can be set: argument, local variable, array element, field value

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/trunk@2869 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/TreeModel/Adapters/DynamicTreeDebuggerRow.cs

@@ -55,7 +55,7 @@ namespace Debugger.AddIn.TreeModel
 			this[1].Text = ""; // Icon
 			this[2].Text = content.Name;
 			this[3].Text = content.Text;
-			this[3].AllowLabelEdit = content is ISetText;
+			this[3].AllowLabelEdit = (content is ISetText) && ((ISetText)content).CanSetText;
 			
 			this.ShowPlus = (content.ChildNodes != null);
 			this.ShowMinusWhileExpanded = true;
@@ -126,7 +126,9 @@ namespace Debugger.AddIn.TreeModel
 		
 		void OnLabelEdited(object sender, DynamicListEventArgs e)
 		{
-			((ISetText)content).SetText(((DynamicListItem)sender).Text);
+			if (((ISetText)content).CanSetText) {
+				((ISetText)content).SetText(((DynamicListItem)sender).Text);
+			}
 		}
 		
 		void OnMouseDown(object sender, DynamicListMouseEventArgs e)

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/TreeModel/ISetText.cs

@@ -12,6 +12,8 @@ namespace Debugger.AddIn.TreeModel
 {
 	public interface ISetText
 	{
+		bool CanSetText { get; }
+		
 		bool SetText(string text);
 	}
 }

src/AddIns/Misc/Debugger/Debugger.AddIn/Project/Src/TreeModel/ValueNode.cs

@@ -21,6 +21,7 @@ namespace Debugger.AddIn.TreeModel
 	public class ValueNode: AbstractNode, ISetText, IContextMenu
 	{
 		Expression expression;
+		bool canSetText;
 		
 		public Expression Expression {
 			get { return expression; }
@@ -30,6 +31,15 @@ namespace Debugger.AddIn.TreeModel
 		{
 			this.expression = val.Expression;
 			
+			canSetText = false;
+			if (val.IsPrimitive) {
+				canSetText = 
+					(val.Expression is LocalVariableIdentifierExpression) ||
+					(val.Expression is ParameterIdentifierExpression) ||
+					(val.Expression is ArrayIndexerExpression) ||
+					(val.Expression is MemberReferenceExpression && ((MemberReferenceExpression)val.Expression).MemberInfo is FieldInfo);
+			}
+			
 			if (val.IsObject) {
 				this.Image = DebuggerIcons.ImageList.Images[0]; // Class
 			} else {
@@ -60,6 +70,12 @@ namespace Debugger.AddIn.TreeModel
 			}
 		}
 		
+		public bool CanSetText {
+			get {
+				return canSetText;
+			}
+		}
+		
 		public bool SetText(string newText)
 		{
 			Value val = null;