(defalias name (cl--generic-make-function generic)))
generic))
-(defun cl--generic-setf-rewrite (name)
- (let* ((setter (intern (format "cl-generic-setter--%s" name)))
- (exp `(unless (eq ',setter (get ',name 'cl-generic-setter))
- ;; (when (get ',name 'gv-expander)
- ;; (error "gv-expander conflicts with (setf %S)" ',name))
- (setf (get ',name 'cl-generic-setter) ',setter)
- (gv-define-setter ,name (val &rest args)
- (cons ',setter (cons val args))))))
- ;; Make sure `setf' can be used right away, e.g. in the body of the method.
- (eval exp t)
- (cons setter exp)))
-
;;;###autoload
(defmacro cl-defgeneric (name args &rest options-and-methods)
"Create a generic function NAME.
(when options-and-methods
;; Anything remaining is assumed to be a default method body.
(push `(,args ,@options-and-methods) methods))
+ (when (eq 'setf (car-safe name))
+ (require 'gv)
+ (setq name (gv-setter (cadr name))))
`(progn
- ,(when (eq 'setf (car-safe name))
- (pcase-let ((`(,setter . ,code) (cl--generic-setf-rewrite
- (cadr name))))
- (setq name setter)
- code))
,@(mapcar (lambda (declaration)
(let ((f (cdr (assq (car declaration)
defun-declarations-alist))))
list ; arguments
[ &optional stringp ] ; documentation string
def-body))) ; part to be debugged
- (let ((qualifiers nil)
- (setfizer (if (eq 'setf (car-safe name))
- ;; Call it before we call cl--generic-lambda.
- (cl--generic-setf-rewrite (cadr name)))))
+ (let ((qualifiers nil))
(while (not (listp args))
(push args qualifiers)
(setq args (pop body)))
+ (when (eq 'setf (car-safe name))
+ (require 'gv)
+ (setq name (gv-setter (cadr name))))
(pcase-let* ((`(,uses-cnm . ,fun) (cl--generic-lambda args body)))
`(progn
- ,(when setfizer
- (setq name (car setfizer))
- (cdr setfizer))
,(and (get name 'byte-obsolete-info)
(or (not (fboundp 'byte-compile-warning-enabled-p))
(byte-compile-warning-enabled-p 'obsolete))
This is because the method-cache is only indexed with the first non-nil
tag (by order of decreasing priority).")
-
(cl-defgeneric cl-generic-combine-methods (generic methods)
"Build the effective method made of METHODS.
It should return a function that expects the same arguments as the methods, and
;; Temporary definition to let the next defmethod succeed.
(fset 'cl-generic-generalizers
(lambda (_specializer) (list cl--generic-t-generalizer)))
-(fset 'cl-generic-combine-methods
- #'cl--generic-standard-method-combination)
+(fset 'cl-generic-combine-methods #'cl--generic-standard-method-combination)
(cl-defmethod cl-generic-generalizers (specializer)
"Support for the catch-all t specializer."