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- ;;; 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>
- ;; 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'."
- (or (memq (get name 'byte-optimizer)
- '(nil byte-compile-inline-expand))
- (error "`%s' is a primitive" name))
- (list 'prog1
- (cons 'defun (cons name (cons arglist body)))
- (list 'eval-and-compile
- (list 'put (list 'quote name)
- ''byte-optimizer ''byte-compile-inline-expand))))
-
- (defun make-obsolete (fn new)
- "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."
- (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)))
- fn)
-
- (defun make-obsolete-variable (var new)
- "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."
- (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 new)
- var)
-
- (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."
- (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."
- ;; 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."
- ;; Remember, it's magic.
- (cons 'progn 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)
-
- ;;; byte-run.el ends here
-