X-Git-Url: http://git.kpe.io/?a=blobdiff_plain;f=mop.lisp;h=ca59a1c31eaf82f5a7f83ad5d20412a86595dde5;hb=61c28767dc6071b3f8edf0834aeab94eb40c3352;hp=c30c8c6169a592d6534d86bef488878a81e03fbe;hpb=1cfeecff23fb7fd5a3ae7c6e2f049e943bfbc3ba;p=hyperobject.git

diff --git a/mop.lisp b/mop.lisp
index c30c8c6..ca59a1c 100644
--- a/mop.lisp
+++ b/mop.lisp
@@ -11,7 +11,7 @@
 ;;;; in Text, HTML, and XML formats. This includes hyperlinking
 ;;;; capability and sub-objects.
 ;;;;
-;;;; $Id: mop.lisp,v 1.24 2003/03/29 07:32:50 kevin Exp $
+;;;; $Id: mop.lisp,v 1.34 2003/03/29 20:58:09 kevin Exp $
 ;;;;
 ;;;; This file is Copyright (c) 2000-2002 by Kevin M. Rosenberg
 ;;;;
@@ -281,28 +281,30 @@
        (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* "~W~%" 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 (class-of (find-class class-name))
+					  (find-class class-name)
+					  (intern-eql-specializer slot-name))
+		     ':lambda-list '(the-class the-instance the-slot-name)
+		     ':function (compile nil method-lambda)
+		     init-args-values)))))
 
 (defun finalize-subobjects (cl)
   "Process class subobjects slot"
@@ -320,10 +322,15 @@
 							   nil
 							   (cdr subobj-def)))))
 	    (unless (eq (lookup subobject) t)
-	      (add-definition
+	      #-(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)))