output.rb in antelope-0.2.2

- old
+ new
@@ -1,49 +1,17 @@
-# encoding: utf-8
-
-module Antelope
-  module Generator
-
-    # Generates an output file, mainly for debugging.  Included always
-    # as a generator for a grammar.
-    class Output < Base
-
-      register_as "output"
-
-      has_directive "output.show-lookahead", Boolean
-
-      # Defines singleton method for every mod that the grammar passed
-      # to the generator.
-      #
-      # @see Generator#initialize
-      def initialize(*)
-        super
-        mods.each do |k, v|
-          define_singleton_method (k) { v }
-        end
-      end
-
-      def unused_symbols
-        @_unused_symbols ||= begin
-          used = grammar.all_productions.map(&:items).flatten.uniq
-          all  = grammar.symbols.map do |s|
-            if Symbol === s
-              grammar.find_token(s)
-            else
-              s
-            end
-          end
-
-          all - used - [grammar.find_token(:"$start")]
-        end
-      end
-
-      # Actually performs the generation.  Uses the template in
-      # output.erb, and generates the file `<file>.output`.
-      #
-      # @return [void]
-      def generate
-        template "output", "#{file}.output"
-      end
-    end
-  end
-end
+# encoding: utf-8
+
+module Antelope
+  module Generator
+
+    # Generates an output file, mainly for debugging.  Included always
+    # as a generator for a grammar.
+    class Output < Group
+
+      register_as "output"
+
+      register_generator Info,  "info"
+      register_generator Error, "error"
+
+    end
+  end
+end