+;;; Obsolete backward compatibility functions.
+;; Needed to run byte-code compiled with the EIEIO of Emacs-23.
+
+(defun eieio-defmethod (method args)
+ "Obsolete work part of an old version of the `defmethod' macro."
+ (let ((key nil) (body nil) (firstarg nil) (argfix nil) (argclass nil) loopa)
+ ;; find optional keys
+ (setq key
+ (cond ((or (eq ':BEFORE (car args))
+ (eq ':before (car args)))
+ (setq args (cdr args))
+ method-before)
+ ((or (eq ':AFTER (car args))
+ (eq ':after (car args)))
+ (setq args (cdr args))
+ method-after)
+ ((or (eq ':PRIMARY (car args))
+ (eq ':primary (car args)))
+ (setq args (cdr args))
+ method-primary)
+ ((or (eq ':STATIC (car args))
+ (eq ':static (car args)))
+ (setq args (cdr args))
+ method-static)
+ ;; Primary key
+ (t method-primary)))
+ ;; get body, and fix contents of args to be the arguments of the fn.
+ (setq body (cdr args)
+ args (car args))
+ (setq loopa args)
+ ;; Create a fixed version of the arguments
+ (while loopa
+ (setq argfix (cons (if (listp (car loopa)) (car (car loopa)) (car loopa))
+ argfix))
+ (setq loopa (cdr loopa)))
+ ;; make sure there is a generic
+ (eieio-defgeneric
+ method
+ (if (stringp (car body))
+ (car body) (format "Generically created method `%s'." method)))
+ ;; create symbol for property to bind to. If the first arg is of
+ ;; the form (varname vartype) and `vartype' is a class, then
+ ;; that class will be the type symbol. If not, then it will fall
+ ;; under the type `primary' which is a non-specific calling of the
+ ;; function.
+ (setq firstarg (car args))
+ (if (listp firstarg)
+ (progn
+ (setq argclass (nth 1 firstarg))
+ (if (not (class-p argclass))
+ (error "Unknown class type %s in method parameters"
+ (nth 1 firstarg))))
+ (if (= key -1)
+ (signal 'wrong-type-argument (list :static 'non-class-arg)))
+ ;; generics are higher
+ (setq key (eieio-specialized-key-to-generic-key key)))
+ ;; Put this lambda into the symbol so we can find it
+ (if (byte-code-function-p (car-safe body))
+ (eieiomt-add method (car-safe body) key argclass)
+ (eieiomt-add method (append (list 'lambda (reverse argfix)) body)
+ key argclass))
+ )
+
+ (when eieio-optimize-primary-methods-flag
+ ;; Optimizing step:
+ ;;
+ ;; If this method, after this setup, only has primary methods, then
+ ;; we can setup the generic that way.
+ (if (generic-primary-only-p method)
+ ;; If there is only one primary method, then we can go one more
+ ;; optimization step.
+ (if (generic-primary-only-one-p method)
+ (eieio-defgeneric-reset-generic-form-primary-only-one method)
+ (eieio-defgeneric-reset-generic-form-primary-only method))
+ (eieio-defgeneric-reset-generic-form method)))
+
+ method)
+(make-obsolete 'eieio-defmethod 'eieio--defmethod "24.1")
+
+(defun eieio-defgeneric (method doc-string)
+ "Obsolete work part of an old version of the `defgeneric' macro."
+ (if (and (fboundp method) (not (generic-p method))
+ (or (byte-code-function-p (symbol-function method))
+ (not (eq 'autoload (car (symbol-function method)))))
+ )
+ (error "You cannot create a generic/method over an existing symbol: %s"
+ method))
+ ;; Don't do this over and over.
+ (unless (fboundp 'method)
+ ;; This defun tells emacs where the first definition of this
+ ;; method is defined.
+ `(defun ,method nil)
+ ;; Make sure the method tables are installed.
+ (eieiomt-install method)
+ ;; Apply the actual body of this function.
+ (fset method (eieio-defgeneric-form method doc-string))
+ ;; Return the method
+ 'method))
+(make-obsolete 'eieio-defgeneric nil "24.1")
+
HCoop / bpt / emacs.git / blobdiff