Fixed SD2-1010: Method overloads for overridden abstract method

git-svn-id: svn://svn.sharpdevelop.net/sharpdevelop/branches/2.1@2363 1ccf3a8d-04fe-1044-b7c0-cef0b8235c61

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/AbstractDecoration.cs

@@ -221,7 +221,6 @@ namespace ICSharpCode.SharpDevelop.Dom
 			return IsAccessible(callingClass, isClassInInheritanceTree);
 		}
 		
-		
 		public virtual int CompareTo(IDecoration value)
 		{
 			return this.Modifiers - value.Modifiers;

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/DefaultMethod.cs

@@ -166,12 +166,6 @@ namespace ICSharpCode.SharpDevelop.Dom
 		{
 			int cmp;
 			
-			cmp = base.CompareTo((IDecoration)value);
-			
-			if (cmp != 0) {
-				return cmp;
-			}
-			
 			if (FullyQualifiedName != null) {
 				cmp = FullyQualifiedName.CompareTo(value.FullyQualifiedName);
 				if (cmp != 0) {

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/DefaultParameter.cs

@@ -143,15 +143,14 @@ namespace ICSharpCode.SharpDevelop.Dom
 		public virtual int CompareTo(IParameter value)
 		{
 			if (value == null) return -1;
-			int cmp;
-			
-			if(0 != (cmp = ((int)Modifiers - (int)value.Modifiers)))
-				return cmp;
 			
+			// two parameters are equal if they have the same return type
+			// (they may have different names)
 			if (object.Equals(ReturnType, value.ReturnType))
 				return 0;
 			else
-				return -1;
+				return string.Compare(this.Name, value.Name);
+			// if the parameters are not equal, use the parameter name to provide the ordering
 		}
 		
 		int IComparable.CompareTo(object value)

src/Main/ICSharpCode.SharpDevelop.Dom/Project/Src/Implementations/DefaultProperty.cs

@@ -105,9 +105,6 @@ namespace ICSharpCode.SharpDevelop.Dom {
 		{
 			int cmp;
 			
-			if(0 != (cmp = base.CompareTo((IDecoration)value)))
-				return cmp;
-			
 			if (FullyQualifiedName != null) {
 				cmp = FullyQualifiedName.CompareTo(value.FullyQualifiedName);
 				if (cmp != 0) {