Index: vala/valamethod.vala
===================================================================
--- vala/valamethod.vala	(revision 228)
+++ vala/valamethod.vala	(working copy)
@@ -203,21 +203,31 @@
 	 *
 	 * @return the name to be used in C code
 	 */
-	public virtual string! get_cname () {
+	public string! get_cname () {
 		if (cname == null) {
-			var parent = symbol.parent_symbol.node;
-			if (parent is DataType) {
-				cname = "%s%s".printf (((DataType) parent).get_lower_case_cprefix (), name);
-			} else if (parent is Namespace) {
-				cname = "%s%s".printf (((Namespace) parent).get_lower_case_cprefix (), name);
-			} else {
-				cname = name;
-			}
+			cname = get_default_cname ();
 		}
 		return cname;
 	}
 
 	/**
+	 * Returns the default interface name of this method as it is used in C
+	 * code.
+	 *
+	 * @return the name to be used in C code by default
+	 */
+	public virtual ref string! get_default_cname () {
+		var parent = symbol.parent_symbol.node;
+		if (parent is DataType) {
+			return "%s%s".printf (((DataType) parent).get_lower_case_cprefix (), name);
+		} else if (parent is Namespace) {
+			return "%s%s".printf (((Namespace) parent).get_lower_case_cprefix (), name);
+		} else {
+			return name;
+		}
+	}
+
+	/**
 	 * Returns the implementation name of this data type as it is used in C
 	 * code.
 	 *
Index: vala/valacreationmethod.vala
===================================================================
--- vala/valacreationmethod.vala	(revision 228)
+++ vala/valacreationmethod.vala	(working copy)
@@ -31,8 +31,6 @@
 	 */
 	public int n_construction_params { get; set; }
 	
-	private string cname;
-	
 	/**
 	 * Creates a new method.
 	 *
@@ -64,17 +62,13 @@
 	 *
 	 * @return the name to be used in C code
 	 */
-	public override string! get_cname () {
-		if (cname == null) {
-			var parent = symbol.parent_symbol.node;
-			if (parent is DataType) {
-				if (name == null) {
-					cname = "%snew".printf (((DataType) parent).get_lower_case_cprefix ());
-				} else {
-					cname = "%snew_%s".printf (((DataType) parent).get_lower_case_cprefix (), name);
-				}
-			}
+	public override ref string! get_default_cname () {
+		var parent = symbol.parent_symbol.node;
+		assert (parent is DataType);
+		if (name == null) {
+			return "%snew".printf (((DataType) parent).get_lower_case_cprefix ());
+		} else {
+			return "%snew_%s".printf (((DataType) parent).get_lower_case_cprefix (), name);
 		}
-		return cname;
 	}
 }