nl_tokens: / * Tokenizer :: ( source filename line number ) - > Tokenizer
pl_tokens: function Tokenizer ( s , f , l ) { this . cursor = 0 ; this . source = String ( s ) ; this . tokens = [ ] ; this . tokenIndex = 0 ; this . lookahead = 0 ; this . scanNewlines = <mask> ; this . unexpectedEOF = false ; this . filename = f || "" ; this . lineno = l || 1 ; }