-;; byte-run.el --- byte-compiler support for inlining
+;;; byte-run.el --- byte-compiler support for inlining
+
+;; Copyright (C) 1992 Free Software Foundation, Inc.
;; Author: Jamie Zawinski <jwz@lucid.com>
;; Hallvard Furuseth <hbf@ulrik.uio.no>
-;; Last-Modified: 13 Jul 1992
+;; Maintainer: FSF
;; Keywords: internal
-;; Copyright (C) 1992 Free Software Foundation, Inc.
-
;; This file is part of GNU Emacs.
;; GNU Emacs is free software; you can redistribute it and/or modify
;; GNU General Public License for more details.
;; You should have received a copy of the GNU General Public License
-;; along with GNU Emacs; see the file COPYING. If not, write to
-;; the Free Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+;; along with GNU Emacs; see the file COPYING. If not, write to the
+;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+;; Boston, MA 02111-1307, USA.
;;; Commentary:
-;;; interface to selectively inlining functions.
-;;; This only happens when source-code optimization is turned on.
+;; interface to selectively inlining functions.
+;; This only happens when source-code optimization is turned on.
;;; Code:
(list 'put (list 'quote name)
''byte-optimizer ''byte-compile-inline-expand))))
-(defun make-obsolete (fn new)
+(defun make-obsolete (fn new &optional when)
"Make the byte-compiler warn that FUNCTION is obsolete.
The warning will say that NEW should be used instead.
-If NEW is a string, that is the `use instead' message."
+If NEW is a string, that is the `use instead' message.
+If provided, WHEN should be a string indicating when the function
+was first made obsolete, for example a date or a release number."
(interactive "aMake function obsolete: \nxObsoletion replacement: ")
(let ((handler (get fn 'byte-compile)))
(if (eq 'byte-compile-obsolete handler)
- (setcar (get fn 'byte-obsolete-info) new)
- (put fn 'byte-obsolete-info (cons new handler))
- (put fn 'byte-compile 'byte-compile-obsolete)))
+ (setq handler (nth 1 (get fn 'byte-obsolete-info)))
+ (put fn 'byte-compile 'byte-compile-obsolete))
+ (put fn 'byte-obsolete-info (list new handler when)))
fn)
+(defun make-obsolete-variable (var new &optional when)
+ "Make the byte-compiler warn that VARIABLE is obsolete,
+and NEW should be used instead. If NEW is a string, then that is the
+`use instead' message.
+If provided, WHEN should be a string indicating when the variable
+was first made obsolete, for example a date or a release number."
+ (interactive
+ (list
+ (let ((str (completing-read "Make variable obsolete: " obarray 'boundp t)))
+ (if (equal str "") (error ""))
+ (intern str))
+ (car (read-from-string (read-string "Obsoletion replacement: ")))))
+ (put var 'byte-obsolete-variable (cons new when))
+ var)
+
(put 'dont-compile 'lisp-indent-hook 0)
(defmacro dont-compile (&rest body)
- "Like `progn', but the body always runs interpreted (not compiled)."
+ "Like `progn', but the body always runs interpreted (not compiled).
+If you think you need this, you're probably making a mistake somewhere."
(list 'eval (list 'quote (if (cdr body) (cons 'progn body) (car body)))))
\f
;; Remember, it's magic.
(cons 'progn body))
+(defun with-no-warnings (&optional first &rest body)
+ "Like `progn', but prevents compiler warnings in the body."
+ ;; The implementation for the interpreter is basically trivial.
+ (if body (car (last body))
+ first))
+
\f
;;; I nuked this because it's not a good idea for users to think of using it.
;;; These options are a matter of installation preference, and have nothing to
;; "Set some compilation-parameters for this file. This will affect only the
;; file in which it appears; this does nothing when evaluated, and when loaded
;; from a .el file.
-;;
+;;
;; Each argument to this macro must be a list of a key and a value.
-;;
+;;
;; Keys: Values: Corresponding variable:
-;;
+;;
;; verbose t, nil byte-compile-verbose
;; optimize t, nil, source, byte byte-compile-optimize
;; warnings list of warnings byte-compile-warnings
;; Legal elements: (callargs redefine free-vars unresolved)
;; file-format emacs18, emacs19 byte-compile-compatibility
-;;
+;;
;; For example, this might appear at the top of a source file:
-;;
+;;
;; (byte-compiler-options
;; (optimize t)
;; (warnings (- free-vars)) ; Don't warn about free variables