Interface

- Added super interface stuff

source/tlang/compiler/symbols/containers.d

@@ -486,6 +486,7 @@ public class Clazz : Type, Container
 
 public final class Interface : Type, Container
 {
+    private string[] _sis; // super-interfaces
     private Statement[] statements;
 
     // TODO: Implement me
@@ -497,6 +498,16 @@ public final class Interface : Type, Container
         weight = 0;
     }
 
+    public string[] superInterfaces()
+    {
+        return _sis;
+    }
+
+    public void addSuperInterface(string iname)
+    {
+        _sis ~= iname;
+    }
+
     public void addStatement(Statement statement)
     {
         this.statements ~= statement;