X-Git-Url: http://git.kpe.io/?p=kmrcl.git;a=blobdiff_plain;f=attrib-class.lisp;h=505a8a443a9d65cf0ac7a6ffa205bfdafd8f5ec6;hp=320354af055312ed8524123b2b6f60a293052fa0;hb=ba354a40a203103a4cf16cd3d21f89f707ba5205;hpb=c59bcb7e1dcdb2c2ec24422f6534a05da56e9bb5 diff --git a/attrib-class.lisp b/attrib-class.lisp index 320354a..505a8a4 100644 --- a/attrib-class.lisp +++ b/attrib-class.lisp @@ -7,7 +7,7 @@ ;;;; Programmer: Kevin M. Rosenberg ;;;; Date Started: Apr 2000 ;;;; -;;;; $Id: attrib-class.lisp,v 1.10 2003/04/29 05:14:11 kevin Exp $ +;;;; $Id: attrib-class.lisp,v 1.13 2003/04/29 09:23:56 kevin Exp $ ;;;; ;;;; This file, part of KMRCL, is Copyright (c) 2002 by Kevin M. Rosenberg ;;;; @@ -21,6 +21,11 @@ (in-package :kmrcl) +(defclass attributes-class (kmr-mop:standard-class) + () + (:documentation "metaclass that implements attributes on slots. Based +on example from AMOP")) + (defclass attributes-dsd (kmr-mop:standard-direct-slot-definition) ((attributes :initarg :attributes :initform nil :accessor dsd-attributes))) @@ -29,12 +34,8 @@ ((attributes :initarg :attributes :initform nil :accessor esd-attributes))) - -(defclass attributes-class (kmr-mop:standard-class) - () - (:documentation "metaclass that implements attributes on slots. Based -on example from AMOP")) - +;; encapsulating macro for Lispworks +(kmr-mop:process-slot-option attributes-class :attributes) #+(or cmu scl sbcl) (defmethod kmr-mop:validate-superclass ((class attributes-class) @@ -45,42 +46,41 @@ on example from AMOP")) (declare (ignore initargs)) (kmr-mop:find-class 'attributes-dsd)) +(defmethod kmr-mop:effective-slot-definition-class ((cl attributes-class) #+kmr-normal-dsdc &rest initargs) + (declare (ignore initargs)) + (kmr-mop:find-class 'attributes-esd)) + (defmethod kmr-mop:compute-effective-slot-definition :around ((cl attributes-class) #+kmr-normal-cesd name dsds) #+kmr-normal-cesd (declare (ignore name)) - (apply - #'make-instance 'attributes-esd - :attributes (remove-duplicates (mapappend #'dsd-attributes dsds)) - (kmr-mop::compute-effective-slot-definition-initargs cl dsds)) - ) - -#+ignore -(defmethod kmr-mop:compute-effective-slot-definition :around - ((cl attributes-class) #+kmr-named-cesd name dsds) - #+kmr-named-cesd (declare (ignore name)) - (let ((normal-slot (call-next-method))) - (setf (esd-attributes normal-slot) - (remove-duplicates - (mapappend #'esd-attributes dsds))) - normal-slot)) - + (let ((esd (call-next-method))) + (setf (esd-attributes esd) (remove-duplicates (mapappend #'dsd-attributes dsds))) + esd)) (defmethod kmr-mop:compute-slots ((class attributes-class)) (let* ((normal-slots (call-next-method)) - (alist - (mapcar - #'(lambda (slot) - (let ((attr-list (mapcar #'(lambda (attr) (cons attr nil)) - (esd-attributes slot)))) - (when attr-list - (cons (kmr-mop:slot-definition-name slot) attr-list)))) - normal-slots))) - (setq alist (delete nil alist)) - (cons (make-instance 'kmr-mop:standard-effective-slot-definition - :name 'all-attributes - :initform `',alist - :initfunction #'(lambda () alist)) - normal-slots))) + (alist (delete + nil + (mapcar + #'(lambda (slot) + (let ((attr-list (mapcar #'(lambda (attr) (list attr)) + (esd-attributes slot)))) + (when attr-list + (cons (kmr-mop:slot-definition-name slot) attr-list)))) + normal-slots)))) + (let ((attrib-slot (make-instance 'attributes-esd + :name 'all-attributes + :initform `',alist + :initfunction #'(lambda () alist) + :allocation :instance + :class class + :documentation "" + :type t + ;; This is an attempted work-around -- lispworks doesn't work + ;; it appears to setup storage someplace + #+lispworks :location #+lispworks (length normal-slots) + ))) + (append normal-slots (list attrib-slot))))) (defun slot-attribute (instance slot-name attribute) (cdr (slot-attribute-bucket instance slot-name attribute)))