method

match_io

Importance_0
Ruby latest stable (v2_5_5) - 0 notes - Class: IRB::SLex::Node

Method deprecated or moved

This method is deprecated or moved on the latest stable version. The last existing version (v1_9_3_392) is shown here.

match_io(io, op = "") public

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# File lib/irb/slex.rb, line 203
      def match_io(io, op = "")
        if op == ""
          ch = io.getc
          if ch == nil
            return nil
          end
        else
          ch = io.getc_of_rests
        end
        if ch.nil?
          if @preproc.nil? || @preproc.call(op, io)
            D_DETAIL.printf("op1: %s\n", op)
            @postproc.call(op, io)
          else
            nil
          end
        else
          if node = @Tree[ch]
            if ret = node.match_io(io, op+ch)
              ret
            else
              io.ungetc ch
              if @postproc and @preproc.nil? || @preproc.call(op, io)
                DOUT.exec_if{D_DETAIL.printf "op2: %s\n", op.inspect}
                @postproc.call(op, io)
              else
                nil
              end
            end
          else
            io.ungetc ch
            if @postproc and @preproc.nil? || @preproc.call(op, io)
              D_DETAIL.printf("op3: %s\n", op)
              @postproc.call(op, io)
            else
              nil
            end
          end
        end
      end
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