lib/irb/ext/math-mode.rb

DEFINITIONS

   1  #
   2  #   math-mode.rb - 
   3  #       $Release Version: 0.9$
   4  #       $Revision: 1.1 $
   5  #       $Date: 2002/07/09 11:17:17 $
   6  #       by Keiju ISHITSUKA(Nihon Rational Software Co.,Ltd)
   7  #
   8  # --
   9  #
  10  #   
  11  #
  12  require "mathn"
  13  
  14  module IRB
  15    class Context
  16      attr_reader :math_mode
  17      alias math? math_mode
  18  
  19      def math_mode=(opt)
  20        if @math_mode == true && opt == false
  21          IRB.fail CantRetuenNormalMode
  22          return
  23        end
  24  
  25        @math_mode = opt
  26        if math_mode
  27          main.extend Math
  28          print "start math mode\n" if verbose?
  29        end
  30      end
  31  
  32      def inspect?
  33        @inspect_mode.nil? && !@math_mode or @inspect_mode
  34      end
  35    end
  36  end
  37