lib/piglet/field/call_expression.rb in piglet-0.2.5 vs lib/piglet/field/call_expression.rb in piglet-0.3.0

@@ -7,17 +7,22 @@
     
       def initialize(function_name, inner_expression, options=nil)
         options ||= {}
         @function_name, @inner_expression = function_name, inner_expression
         @type = options[:type] || inner_expression.type
+        @predecessors = [inner_expression]
       end
       
       def simple?
         false
       end
     
-      def to_s
-        "#{@function_name}(#{@inner_expression})"
+      def to_s(inner=false)
+        if inner
+          "#{@function_name}(#{@inner_expression.field_alias})"
+        else
+          "#{@function_name}(#{@inner_expression})"
+        end
       end
     end
   end
 end
\ No newline at end of file