From 20be6570feeace0e60cd9993eb3668ade3e8edc3 Mon Sep 17 00:00:00 2001 Message-Id: <20be6570feeace0e60cd9993eb3668ade3e8edc3.1715730815.git.mdw@distorted.org.uk> From: Mark Wooding Date: Thu, 18 May 2006 09:41:29 +0100 Subject: [PATCH] mop: Rearrange a bit. Organization: Straylight/Edgeware From: Mark Wooding Put the miscellaneous stuff before the metaclass hacking. --- mdw-mop.lisp | 46 +++++++++++++++++++++++----------------------- 1 file changed, 23 insertions(+), 23 deletions(-) diff --git a/mdw-mop.lisp b/mdw-mop.lisp index 51db744..160eff9 100644 --- a/mdw-mop.lisp +++ b/mdw-mop.lisp @@ -28,8 +28,8 @@ (defpackage #:mdw.mop (:use #:common-lisp #:mdw.base #+cmu #:mop) - (:export #:compatible-class - #:copy-instance #:copy-instance-using-class + (:export #:copy-instance #:copy-instance-using-class + #:compatible-class #:initargs-for-effective-slot #:make-effective-slot #:filtered-slot-class-mixin #:filtered-direct-slot-definition @@ -42,6 +42,27 @@ (defpackage #:mdw.mop (in-package #:mdw.mop) +;;;-------------------------------------------------------------------------- +;;; Copying instances. + +(defgeneric copy-instance-using-class (class object &rest initargs) + (:documentation + "Does the donkey-work behind copy-instance.")) + +(defmethod copy-instance-using-class + ((class standard-class) object &rest initargs) + (let ((new (apply #'allocate-instance class initargs))) + (dolist (slot (class-slots class)) + (setf (slot-value-using-class class new slot) + (slot-value-using-class class object slot))) + (apply #'shared-initialize new nil initargs) + new)) + +(defun copy-instance (object &rest initargs) + "Make a copy of OBJECT, modifying it by setting slots as requested by + INITARGS." + (apply #'copy-instance-using-class (class-of object) object initargs)) + ;;;-------------------------------------------------------------------------- ;;; Basic stuff. @@ -64,27 +85,6 @@ (defmethod validate-superclass ((sub standard-class) (super compatible-class)) (eq (class-of sub) (find-class 'standard-class))) -;;;-------------------------------------------------------------------------- -;;; Copying instances. - -(defgeneric copy-instance-using-class (class object &rest initargs) - (:documentation - "Does the donkey-work behind copy-instance.")) - -(defmethod copy-instance-using-class - ((class standard-class) object &rest initargs) - (let ((new (apply #'allocate-instance class initargs))) - (dolist (slot (class-slots class)) - (setf (slot-value-using-class class new slot) - (slot-value-using-class class object slot))) - (apply #'shared-initialize new nil initargs) - new)) - -(defun copy-instance (object &rest initargs) - "Make a copy of OBJECT, modifying it by setting slots as requested by - INITARGS." - (apply #'copy-instance-using-class (class-of object) object initargs)) - ;;;-------------------------------------------------------------------------- ;;; Utilities for messing with slot options. -- [mdw]