X-Git-Url: https://git.hcoop.net/bpt/emacs.git/blobdiff_plain/c1473b4cfeb477ced05d457868c5e1eb97a58eb0..322b7dab59b98b5d8625d2cd29e48f1ce605f769:/lisp/emacs-lisp/cl.el

diff --git a/lisp/emacs-lisp/cl.el b/lisp/emacs-lisp/cl.el
index c03c91d76f..526475eb1b 100644
--- a/lisp/emacs-lisp/cl.el
+++ b/lisp/emacs-lisp/cl.el
@@ -1,7 +1,6 @@
 ;;; cl.el --- Common Lisp extensions for Emacs
 
-;; Copyright (C) 1993, 2001, 2002, 2003, 2004, 2005,
-;;   2006, 2007, 2008 Free Software Foundation, Inc.
+;; Copyright (C) 1993, 2001-2011  Free Software Foundation, Inc.
 
 ;; Author: Dave Gillespie <daveg@synaptics.com>
 ;; Version: 2.02
@@ -133,6 +132,9 @@ The return value is the decremented value of PLACE."
       (list 'setq place (if x (list '- place x) (list '1- place)))
     (list 'callf '- place (or x 1))))
 
+;; Autoloaded, but we haven't loaded cl-loaddefs yet.
+(declare-function cl-do-pop "cl-macs" (place))
+
 (defmacro pop (place)
   "Remove and return the head of the list stored in PLACE.
 Analogous to (prog1 (car PLACE) (setf PLACE (cdr PLACE))), though more
@@ -159,7 +161,14 @@ an element already on the list.
   (if (symbolp place)
       (if (null keys)
  	  `(let ((x ,x))
-	     (if (memql x ,place) ,place (setq ,place (cons x ,place))))
+	     (if (memql x ,place)
+                 ;; This symbol may later on expand to actual code which then
+                 ;; trigger warnings like "value unused" since pushnew's return
+                 ;; value is rarely used.  It should not matter that other
+                 ;; warnings may be silenced, since `place' is used earlier and
+                 ;; should have triggered them already.
+                 (with-no-warnings ,place)
+               (setq ,place (cons x ,place))))
 	(list 'setq place (list* 'adjoin x place keys)))
     (list* 'callf2 'adjoin x place keys)))
 
@@ -243,7 +252,7 @@ one value."
 
 ;;; Macros.
 
-(defvar cl-macro-environment nil)
+(defvar cl-macro-environment)
 (defvar cl-old-macroexpand (prog1 (symbol-function 'macroexpand)
 			     (defalias 'macroexpand 'cl-macroexpand)))
 
@@ -269,8 +278,9 @@ definitions to shadow the loaded ones for use in file byte-compilation.
 (defvar cl-compiling-file nil)
 (defun cl-compiling-file ()
   (or cl-compiling-file
-      (and (boundp 'outbuffer) (bufferp (symbol-value 'outbuffer))
-	   (equal (buffer-name (symbol-value 'outbuffer))
+      (and (boundp 'byte-compile--outbuffer)
+           (bufferp (symbol-value 'byte-compile--outbuffer))
+	   (equal (buffer-name (symbol-value 'byte-compile--outbuffer))
 		  " *Compiler Output*"))))
 
 (defvar cl-proclaims-deferred nil)
@@ -338,6 +348,8 @@ always returns nil."
 
 (defalias 'copy-seq 'copy-sequence)
 
+(declare-function cl-mapcar-many "cl-extra" (cl-func cl-seqs))
+
 (defun mapcar* (cl-func cl-x &rest cl-rest)
   "Apply FUNCTION to each element of SEQ, and make a list of the results.
 If there are several SEQs, FUNCTION is called with that many arguments,
@@ -536,6 +548,14 @@ The elements of LIST are not copied, just the list structure itself."
   list)
 
 (defalias 'cl-member 'memq)   ; for compatibility with old CL package
+
+;; Autoloaded, but we have not loaded cl-loaddefs yet.
+(declare-function floor* "cl-extra" (x &optional y))
+(declare-function ceiling* "cl-extra" (x &optional y))
+(declare-function truncate* "cl-extra" (x &optional y))
+(declare-function round* "cl-extra" (x &optional y))
+(declare-function mod* "cl-extra" (x y))
+
 (defalias 'cl-floor 'floor*)
 (defalias 'cl-ceiling 'ceiling*)
 (defalias 'cl-truncate 'truncate*)
@@ -631,18 +651,17 @@ If ALIST is non-nil, the new pairs are prepended to it."
 (load "cl-loaddefs" nil 'quiet)
 
 ;; This goes here so that cl-macs can find it if it loads right now.
-(provide 'cl-19)     ; usage: (require 'cl-19 "cl")
+(provide 'cl)
 
 ;; Things to do after byte-compiler is loaded.
-;; As a side effect, we cause cl-macs to be loaded when compiling, so
-;; that the compiler-macros defined there will be present.
 
 (defvar cl-hacked-flag nil)
 (defun cl-hack-byte-compiler ()
-  (if (and (not cl-hacked-flag) (fboundp 'byte-compile-file-form))
-      (progn
-	(setq cl-hacked-flag t)		; Do it first, to prevent recursion.
-	(cl-compile-time-init))))	; In cl-macs.el.
+  (and (not cl-hacked-flag) (fboundp 'byte-compile-file-form)
+       (progn
+         (setq cl-hacked-flag t)  ; Do it first, to prevent recursion.
+         (load "cl-macs" nil t)
+         (run-hooks 'cl-hack-bytecomp-hook))))
 
 ;; Try it now in case the compiler has already been loaded.
 (cl-hack-byte-compiler)
@@ -663,5 +682,4 @@ If ALIST is non-nil, the new pairs are prepended to it."
 ;; byte-compile-warnings: (not cl-functions)
 ;; End:
 
-;; arch-tag: 5f07fa74-f153-4524-9303-21f5be125851
 ;;; cl.el ends here