nl_tokens: / * processFile
pl_tokens: function ( opts , file , encoding , callback ) { var filePath = new FilePath ( file . path ) ; <mask> [ filePath . value ] = results [ filePath . value ] || [ ] ; _ . each ( rules , function ( rule , name ) { var response ; if ( ! opts [ name ] ) { return ; } response = rule ( filePath , opts [ name ] ) ; if ( check ( response ) . is ( 'string' ) ) { results [ filePath . value ] . push ( response ) ; } } ) ; callback ( null , file ) ; }