mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-05 08:53:45 +00:00
506b775323
docstring.
176 lines
6.7 KiB
EmacsLisp
176 lines
6.7 KiB
EmacsLisp
;;; byte-run.el --- byte-compiler support for inlining
|
||
|
||
;; Copyright (C) 1992, 2004 Free Software Foundation, Inc.
|
||
|
||
;; Author: Jamie Zawinski <jwz@lucid.com>
|
||
;; Hallvard Furuseth <hbf@ulrik.uio.no>
|
||
;; Maintainer: FSF
|
||
;; Keywords: internal
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs is free software; you can redistribute it and/or modify
|
||
;; it under the terms of the GNU General Public License as published by
|
||
;; the Free Software Foundation; either version 2, or (at your option)
|
||
;; any later version.
|
||
|
||
;; GNU Emacs is distributed in the hope that it will be useful,
|
||
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
;; 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, 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.
|
||
|
||
;;; Code:
|
||
|
||
;; Redefined in byte-optimize.el.
|
||
;; This is not documented--it's not clear that we should promote it.
|
||
(fset 'inline 'progn)
|
||
(put 'inline 'lisp-indent-hook 0)
|
||
|
||
|
||
;;; Interface to inline functions.
|
||
|
||
;; (defmacro proclaim-inline (&rest fns)
|
||
;; "Cause the named functions to be open-coded when called from compiled code.
|
||
;; They will only be compiled open-coded when byte-compile-optimize is true."
|
||
;; (cons 'eval-and-compile
|
||
;; (mapcar '(lambda (x)
|
||
;; (or (memq (get x 'byte-optimizer)
|
||
;; '(nil byte-compile-inline-expand))
|
||
;; (error
|
||
;; "%s already has a byte-optimizer, can't make it inline"
|
||
;; x))
|
||
;; (list 'put (list 'quote x)
|
||
;; ''byte-optimizer ''byte-compile-inline-expand))
|
||
;; fns)))
|
||
|
||
;; (defmacro proclaim-notinline (&rest fns)
|
||
;; "Cause the named functions to no longer be open-coded."
|
||
;; (cons 'eval-and-compile
|
||
;; (mapcar '(lambda (x)
|
||
;; (if (eq (get x 'byte-optimizer) 'byte-compile-inline-expand)
|
||
;; (put x 'byte-optimizer nil))
|
||
;; (list 'if (list 'eq (list 'get (list 'quote x) ''byte-optimizer)
|
||
;; ''byte-compile-inline-expand)
|
||
;; (list 'put x ''byte-optimizer nil)))
|
||
;; fns)))
|
||
|
||
;; This has a special byte-hunk-handler in bytecomp.el.
|
||
(defmacro defsubst (name arglist &rest body)
|
||
"Define an inline function. The syntax is just like that of `defun'."
|
||
(declare (debug defun))
|
||
(or (memq (get name 'byte-optimizer)
|
||
'(nil byte-compile-inline-expand))
|
||
(error "`%s' is a primitive" name))
|
||
`(prog1
|
||
(defun ,name ,arglist ,@body)
|
||
(eval-and-compile
|
||
(put ',name 'byte-optimizer 'byte-compile-inline-expand))))
|
||
|
||
(defun make-obsolete (function 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 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 function 'byte-compile)))
|
||
(if (eq 'byte-compile-obsolete handler)
|
||
(setq handler (nth 1 (get function 'byte-obsolete-info)))
|
||
(put function 'byte-compile 'byte-compile-obsolete))
|
||
(put function 'byte-obsolete-info (list new handler when)))
|
||
function)
|
||
|
||
(defun make-obsolete-variable (variable new &optional when)
|
||
"Make the byte-compiler warn that VARIABLE is obsolete.
|
||
The warning will say that NEW should be used instead.
|
||
If NEW is a string, 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 variable 'byte-obsolete-variable (cons new when))
|
||
variable)
|
||
|
||
(put 'dont-compile 'lisp-indent-hook 0)
|
||
(defmacro dont-compile (&rest body)
|
||
"Like `progn', but the body always runs interpreted (not compiled).
|
||
If you think you need this, you're probably making a mistake somewhere."
|
||
(declare (debug t))
|
||
(list 'eval (list 'quote (if (cdr body) (cons 'progn body) (car body)))))
|
||
|
||
|
||
;;; interface to evaluating things at compile time and/or load time
|
||
;;; these macro must come after any uses of them in this file, as their
|
||
;;; definition in the file overrides the magic definitions on the
|
||
;;; byte-compile-macro-environment.
|
||
|
||
(put 'eval-when-compile 'lisp-indent-hook 0)
|
||
(defmacro eval-when-compile (&rest body)
|
||
"Like `progn', but evaluates the body at compile time.
|
||
The result of the body appears to the compiler as a quoted constant."
|
||
(declare (debug t))
|
||
;; Not necessary because we have it in b-c-initial-macro-environment
|
||
;; (list 'quote (eval (cons 'progn body)))
|
||
(cons 'progn body))
|
||
|
||
(put 'eval-and-compile 'lisp-indent-hook 0)
|
||
(defmacro eval-and-compile (&rest body)
|
||
"Like `progn', but evaluates the body at compile time and at load time."
|
||
(declare (debug t))
|
||
;; Remember, it's magic.
|
||
(cons 'progn body))
|
||
|
||
(defun with-no-warnings (&rest body)
|
||
"Like `progn', but prevents compiler warnings in the body."
|
||
;; The implementation for the interpreter is basically trivial.
|
||
(car (last body)))
|
||
|
||
|
||
;;; 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
|
||
;;; with particular source files; it's a mistake to suggest to users
|
||
;;; they should associate these with particular source files.
|
||
;;; There is hardly any reason to change these parameters, anyway.
|
||
;;; --rms.
|
||
|
||
;; (put 'byte-compiler-options 'lisp-indent-hook 0)
|
||
;; (defmacro byte-compiler-options (&rest args)
|
||
;; "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
|
||
;; (file-format emacs19))"
|
||
;; nil)
|
||
|
||
;;; arch-tag: 76f8328a-1f66-4df2-9b6d-5c3666dc05e9
|
||
;;; byte-run.el ends here
|