diff options
Diffstat (limited to 'lisp/emacs-lisp')
| -rw-r--r-- | lisp/emacs-lisp/bindat.el | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/lisp/emacs-lisp/bindat.el b/lisp/emacs-lisp/bindat.el index ef0ec688dbd..42ba89ba2c1 100644 --- a/lisp/emacs-lisp/bindat.el +++ b/lisp/emacs-lisp/bindat.el @@ -944,9 +944,13 @@ a bindat type expression." (bindat-defmacro sint (bitlen le) "Signed integer of size BITLEN. Big-endian if LE is nil and little-endian if not." + (unless lexical-binding + (error "The `sint' type requires 'lexical-binding'")) (let ((bl (make-symbol "bitlen")) (max (make-symbol "max")) (wrap (make-symbol "wrap"))) + ;; FIXME: This `let*' around the `struct' results in code which the + ;; byte-compiler does not handle efficiently. 🙁 `(let* ((,bl ,bitlen) (,max (ash 1 (1- ,bl))) (,wrap (+ ,max ,max))) |