def parse(body = self.body)
      return PARSING_CACHE[body] if PARSING_CACHE[body]
      pairs = Analysis.analyze_inputs([[file, body]])
      PARSING_CACHE[body] = pairs[0][1]
    end
def parse(body = self.body)
      return PARSING_CACHE[body] if PARSING_CACHE[body]
      pairs = Analysis.analyze_inputs([[file, body]])
      PARSING_CACHE[body] = pairs[0][1]
    end
Parses the given text.

 @param [String] body (self.body) The text to parse
 @return [Sexp, NilClass] the sexp representing the input text.