Note for later

lexer/lexer.go

@@ -108,6 +108,7 @@ type Lexer interface {
 // NewLexer creates a new default lexer that reads from the given reader. The
 // filename parameter is used for token locations and error messages.
 func NewLexer (filename string, reader io.Reader) (Lexer, error) {
+	// TODO: replace this function with LexReader and LexFile functions
 	lexer := &fsplLexer {
 		filename:    filename,
 		lineScanner: bufio.NewScanner(reader),