;;;; in Text, HTML, and XML formats. This includes hyperlinking
;;;; capability and sub-objects.
;;;;
-;;;; $Id: mop.lisp,v 1.23 2003/03/29 07:17:47 kevin Exp $
+;;;; $Id: mop.lisp,v 1.30 2003/03/29 20:31:45 kevin Exp $
;;;;
;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
;;;;
(setf (slot-value ,the-instance ,the-slot-name)
(,reader ,@keys)))))
-
-(defparameter *queued-definitions-pathname*
- (make-pathname :directory '(:absolute "tmp")
- :name (format nil "hyperobject-def-~d" (get-universal-time))
- :type "lisp"))
-(defparameter *queued-definitions-stream* nil)
-
-(defun add-definition (def)
- (unless *queued-definitions-stream*
- (setq *queued-definitions-stream* (open *queued-definitions-pathname*
- :direction :output
- :if-exists :supersede))
- (format *queued-definitions-stream* "(in-package #:hyperobject)~%"))
- (format *queued-definitions-stream* "~A~%" def))
-
-(defun process-queued-definitions ()
- (when *queued-definitions-stream*
- (close *queued-definitions-stream*)
- (compile-file *queued-definitions-pathname*)
- (load (compile-file-pathname *queued-definitions-pathname*))
-;; (delete-file *queued-definitions-pathname*)
-;; (delete-file (compile-file-pathname *queued-definitions-pathname*))
- (setq *queued-definitions-stream* nil)))
+#+(or sbcl scl cmu)
+(defun ensure-lazy-reader (class-name slot-name reader &rest reader-keys)
+ (let ((keys nil)
+ (gf (ensure-generic-function 'slot-unbound)))
+ (dolist (key reader-keys)
+ (push (list 'slot-value 'the-instance (list 'quote key)) keys))
+ (setq keys (nreverse keys))
+ (multiple-value-bind (method-lambda init-args-values)
+ (make-method-lambda
+ gf
+ (class-prototype (generic-function-method-class gf))
+ `(lambda (the-class the-instance the-slot-name)
+ (declare (ignore the-class))
+ (setf (slot-value the-instance the-slot-name) (,reader ,@keys)))
+ nil)
+ (add-method gf
+ (apply
+ #'make-instance (generic-function-method-class gf)
+ ':specializers (list (intern-eql-specializer class-name)
+ (find-class class-name)
+ (intern-eql-specializer slot-name))
+ ':lambda-list '(the-class the-instance the-slot-name)
+ ':function method-lambda
+ init-args-values)))))
(defun finalize-subobjects (cl)
"Process class subobjects slot"
nil
(cdr subobj-def)))))
(unless (eq (lookup subobject) t)
- (add-definition
- `(def-lazy-reader ,(name-class subobject)
+ #-(or sbcl cmu scl)
+ (eval
+ `(hyperobject::def-lazy-reader ,(name-class subobject)
,(name-slot subobject) ,(lookup subobject)
- ,@(lookup-keys subobject))))
+ ,@(lookup-keys subobject)))
+ #+(or sbcl cmu scl)
+ (apply #'ensure-lazy-reader
+ (name-class subobject) (name-slot subobject) (lookup subobject) (lookup-keys subobject))
+ )
(push subobject subobjects))))
subobjects)))