1 files changed, 0 insertions, 77 deletions
diff --git a/ruby_2_2/ext/ripper/lib/ripper/filter.rb b/ruby_2_2/ext/ripper/lib/ripper/filter.rb
deleted file mode 100644
index 239f9f00e1..0000000000
--- a/ruby_2_2/ext/ripper/lib/ripper/filter.rb
+++ /dev/null
@@ -1,77 +0,0 @@
-#
-# $Id$
-#
-# Copyright (c) 2004,2005 Minero Aoki
-#
-# This program is free software.
-# You can distribute and/or modify this program under the Ruby License.
-# For details of Ruby License, see ruby/COPYING.
-#
-
-require 'ripper/lexer'
-
-class Ripper
-
-  # This class handles only scanner events,
-  # which are dispatched in the 'right' order (same with input).
-  class Filter
-
-    # Creates a new Ripper::Filter instance, passes parameters +src+,
-    # +filename+, and +lineno+ to Ripper::Lexer.new
-    #
-    # The lexer is for internal use only.
-    def initialize(src, filename = '-', lineno = 1)
-      @__lexer = Lexer.new(src, filename, lineno)
-      @__line = nil
-      @__col = nil
-    end
-
-    # The file name of the input.
-    def filename
-      @__lexer.filename
-    end
-
-    # The line number of the current token.
-    # This value starts from 1.
-    # This method is valid only in event handlers.
-    def lineno
-      @__line
-    end
-
-    # The column number of the current token.
-    # This value starts from 0.
-    # This method is valid only in event handlers.
-    def column
-      @__col
-    end
-
-    # Starts the parser.
-    # +init+ is a data accumulator and is passed to the next event handler (as
-    # of Enumerable#inject).
-    def parse(init = nil)
-      data = init
-      @__lexer.lex.each do |pos, event, tok|
-        @__line, @__col = *pos
-        data = if respond_to?(event, true)
-               then __send__(event, tok, data)
-               else on_default(event, tok, data)
-               end
-      end
-      data
-    end
-
-    private
-
-    # This method is called when some event handler is undefined.
-    # +event+ is :on_XXX, +token+ is the scanned token, and +data+ is a data
-    # accumulator.
-    #
-    # The return value of this method is passed to the next event handler (as
-    # of Enumerable#inject).
-    def on_default(event, token, data)
-      data
-    end
-
-  end
-
-end