# File lib/parse_tree.rb, line 51
  def self.translate(klass_or_str, method=nil)
    pt = self.new(false)
    case klass_or_str
    when String then
      sexp = pt.parse_tree_for_string(klass_or_str).first
      if method then
        # class, scope, block, *methods
        sexp.last.last[1..-1].find do |defn|
          defn[1] == method
        end
      else
        sexp
      end
    else
      unless method.nil? then
        if method.to_s =~ /^self\./ then
          method = method.to_s[5..-1].intern
          pt.parse_tree_for_method(klass_or_str, method, true)
        else
          pt.parse_tree_for_method(klass_or_str, method)
        end
      else
        pt.parse_tree(klass_or_str).first
      end
    end
  end