From: tmorioka <tmorioka>
Date: Mon, 24 Feb 1997 09:12:12 +0000 (+0000)
Subject: (define-structure): New macro; Don't require tl-misc.el.
X-Git-Tag: Hokutetsu-Ishikawa-new~303
X-Git-Url: http://git.chise.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=e4e99fd7e3300da3fd048763dbe82511f1eaac04;p=elisp%2Fsemi.git

(define-structure): New macro; Don't require tl-misc.el.
---

diff --git a/mime-parse.el b/mime-parse.el
index a63ce2a..bbd1d8f 100644
--- a/mime-parse.el
+++ b/mime-parse.el
@@ -3,7 +3,7 @@
 ;; Copyright (C) 1994,1995,1996,1997 Free Software Foundation, Inc.
 
 ;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Version: $Id: mime-parse.el,v 0.2 1997-02-22 16:10:50 morioka Exp $
+;; Version: $Id: mime-parse.el,v 0.3 1997-02-24 09:12:12 tmorioka Exp $
 ;; Keywords: MIME, multimedia, mail, news
 
 ;; This file is part of SEMI (SEMI is Emacs MIME Interfaces).
@@ -26,9 +26,38 @@
 ;;; Code:
 
 (require 'std11)
-(require 'tl-misc)
 (require 'mime-def)
 
+(defmacro define-structure (name &rest slots)
+  (let ((pred (symbol-concat name '-p)))
+    (cons 'progn
+	  (nconc
+	   (list
+	    (` (defun (, pred) (obj)
+		 (and (vectorp obj)
+		      (eq (elt obj 0) '(, name))
+		      ))
+	       )
+	    (` (defun (, (symbol-concat name '/create)) (, slots)
+		 (, (cons 'vector (cons (list 'quote name) slots)))
+		 )
+	       ))
+	   (let ((i 1))
+	     (mapcar (function
+		      (lambda (slot)
+			(prog1
+			    (` (defun (, (symbol-concat name '/ slot)) (obj)
+				 (if ((, pred) obj)
+				     (elt obj (, i))
+				   ))
+			       )
+			  (setq i (+ i 1))
+			  )
+			)) slots)
+	     )
+	   (list (list 'quote name))
+	   ))))
+
 
 ;;; @ field parser
 ;;;