# File lib/safemode/parser.rb, line 163
    def process_if(exp)
      expand = Ruby2Ruby::ASSIGN_NODES.include? exp.first.first
      c = process exp.shift
      t = process exp.shift
      f = process exp.shift

      c = "(#{c.chomp})" if c =~ /\n/

      if t then
        # unless expand then
        #   if f then
        #     r = "#{c} ? (#{t}) : (#{f})"
        #     r = nil if r =~ /return/ # HACK - need contextual awareness or something
        #   else
        #     r = "#{t} if #{c}"
        #   end
        #   return r if r and (@indent+r).size < LINE_LENGTH and r !~ /\n/
        # end

        r = "if #{c} then\n#{indent(t)}\n"
        r << "else\n#{indent(f)}\n" if f
        r << "end"

        r
      else
        # unless expand then
        #   r = "#{f} unless #{c}"
        #   return r if (@indent+r).size < LINE_LENGTH and r !~ /\n/
        # end
        "unless #{c} then\n#{indent(f)}\nend"
      end
    end