From: morioka <morioka>
Date: Sun, 25 Oct 1998 16:39:18 +0000 (+0000)
Subject: (defalias-maybe): New macro.
X-Git-Tag: apel-9_6~19
X-Git-Url: http://git.chise.org/gitweb/?a=commitdiff_plain;h=68874c7ee5fe902689a46b7c383b6564036d0679;p=elisp%2Fapel.git

(defalias-maybe): New macro.
---

diff --git a/poe.el b/poe.el
index 9c00b52..65d742e 100644
--- a/poe.el
+++ b/poe.el
@@ -24,21 +24,9 @@
 
 ;;; Code:
 
-(defmacro defvar-maybe (name &rest everything-else)
-  (or (and (boundp name)
-	   (not (get name 'defvar-maybe))
-	   )
-      (` (or (boundp (quote (, name)))
-	     (progn
-	       (defvar (, name) (,@ everything-else))
-	       (put (quote (, name)) 'defvar-maybe t)
-	       ))
-	 )))
-
 (defmacro defun-maybe (name &rest everything-else)
   (or (and (fboundp name)
-	   (not (get name 'defun-maybe))
-	   )
+	   (not (get name 'defun-maybe)))
       (` (or (fboundp (quote (, name)))
 	     (progn
 	       (defun (, name) (,@ everything-else))
@@ -48,8 +36,7 @@
 
 (defmacro defsubst-maybe (name &rest everything-else)
   (or (and (fboundp name)
-	   (not (get name 'defsubst-maybe))
-	   )
+	   (not (get name 'defsubst-maybe)))
       (` (or (fboundp (quote (, name)))
 	     (progn
 	       (defsubst (, name) (,@ everything-else))
@@ -59,8 +46,7 @@
 
 (defmacro defmacro-maybe (name &rest everything-else)
   (or (and (fboundp name)
-	   (not (get name 'defmacro-maybe))
-	   )
+	   (not (get name 'defmacro-maybe)))
       (` (or (fboundp (quote (, name)))
 	     (progn
 	       (defmacro (, name) (,@ everything-else))
@@ -68,10 +54,31 @@
 	       ))
 	 )))
 
+(defmacro defalias-maybe (symbol definition)
+  (setq symbol (eval symbol))
+  (or (and (fboundp symbol)
+	   (not (get symbol 'defalias-maybe)))
+      (` (or (fboundp (quote (, symbol)))
+	     (progn
+	       (defalias (quote (, symbol)) (, definition))
+	       (put (quote (, symbol)) 'defalias-maybe t)
+	       ))
+	 )))
+
 (put 'defun-maybe 'lisp-indent-function 'defun)
 (put 'defsubst-maybe 'lisp-indent-function 'defun)
 (put 'defmacro-maybe 'lisp-indent-function 'defun)
 
+(defmacro defvar-maybe (name &rest everything-else)
+  (or (and (boundp name)
+	   (not (get name 'defvar-maybe)))
+      (` (or (boundp (quote (, name)))
+	     (progn
+	       (defvar (, name) (,@ everything-else))
+	       (put (quote (, name)) 'defvar-maybe t)
+	       ))
+	 )))
+
 (defmacro defconst-maybe (name &rest everything-else)
   (or (and (boundp name)
 	   (not (get name 'defconst-maybe))