Hack for variables that change type (Forum-7347)

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.0@1384 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/ClassVariable.cs

@@ -11,8 +11,8 @@ namespace Debugger
 {
 	public class ClassVariable: Variable
 	{
-		bool isStatic;
-		bool isPublic;
+		internal bool isStatic;
+		internal bool isPublic;
 		
 		public bool IsStatic {
 			get {

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/Variable.cs

@@ -23,8 +23,8 @@ namespace Debugger
 		string name;
 		VariableCollection subVariables;
 		
-		protected ValueGetter valueGetter;
-		Value cachedValue;
+		internal protected ValueGetter valueGetter;
+		internal Value cachedValue;
 		
 		event EventHandler<DebuggerEventArgs> valueChanged;
 		public event EventHandler<VariableCollectionEventArgs> ValueRemovedFromCollection;
@@ -89,7 +89,7 @@ namespace Debugger
 			}
 		}
 		
-		protected virtual void OnValueChanged()
+		protected internal virtual void OnValueChanged()
 		{
 			cachedValue = null;
 			if (valueChanged != null) {

src/AddIns/Misc/Debugger/Debugger.Core/Project/Src/Variables/VariableCollection.cs

@@ -144,6 +144,17 @@ namespace Debugger
 			
 			foreach(Variable newVariable in newVariables) {
 				if (this.Contains(newVariable.Name)) {
+					Variable oldVariable = this[newVariable.Name];
+					// HACK: Realy bad object-oriented design!!!
+					// Trasfer the new variable into the old one
+					if (oldVariable != newVariable) {
+						oldVariable.valueGetter = newVariable.valueGetter;
+						oldVariable.cachedValue = null;
+						if (newVariable is ClassVariable && oldVariable is ClassVariable) {
+							((ClassVariable)oldVariable).isPublic = ((ClassVariable)oldVariable).isPublic;
+							((ClassVariable)oldVariable).isStatic = ((ClassVariable)oldVariable).isStatic;
+						}
+					}
 					// Keep the variable in the list
 					toBeRemoved.Remove(this[newVariable.Name]);
 				} else {