diff options
Diffstat (limited to 'lisp/subr.el')
| -rw-r--r-- | lisp/subr.el | 14 |
1 files changed, 11 insertions, 3 deletions
diff --git a/lisp/subr.el b/lisp/subr.el index 56ce9fa69b9..08dfe7aa430 100644 --- a/lisp/subr.el +++ b/lisp/subr.el @@ -344,7 +344,7 @@ in compilation warnings about unused variables. ;; FIXME: This let often leads to "unused var" warnings. `((let ((,var ,counter)) ,@(cddr spec))))))) -(defmacro declare (&rest _specs) +(defmacro declare (&rest specs) "Do not evaluate any arguments, and return nil. If a `declare' form appears as the first form in the body of a `defun' or `defmacro' form, SPECS specifies various additional @@ -355,8 +355,16 @@ The possible values of SPECS are specified by `defun-declarations-alist' and `macro-declarations-alist'. For more information, see info node `(elisp)Declare Form'." - ;; FIXME: edebug spec should pay attention to defun-declarations-alist. - nil) + ;; `declare' is handled directly by `defun/defmacro' rather than here. + ;; If we get here, it's because there's a `declare' somewhere not attached + ;; to a `defun/defmacro', i.e. a `declare' which doesn't do what it's + ;; intended to do. + (let ((form `(declare . ,specs))) ;; FIXME: WIBNI we had &whole? + (macroexp-warn-and-return + (format-message "Stray `declare' form: %S" form) + ;; Make a "unique" harmless form to circumvent + ;; the cache in `macroexp-warn-and-return'. + `(progn ',form nil) nil 'compile-only))) (defmacro ignore-errors (&rest body) "Execute BODY; if an error occurs, return nil. |