class Racc::ParserFileGenerator

def embed_library(src) 

def embed_library(src)
  line %[###### #{src.filename} begin]
  line %[unless $".find {|p| p.end_with?('/#{src.filename}')}]
  line %[$".push "\#{__dir__}/#{src.filename}"]
  put src, @params.convert_line?
  line %[end]
  line %[###### #{src.filename} end]
end