;;; cmacexp.el --- expand C macros in a region
-;; Copyright (C) 1992, 1994, 1996 Free Software Foundation, Inc.
+;; Copyright (C) 1992, 1994, 1996, 2000, 2001, 2002, 2003, 2004, 2005, 2006
+;; Free Software Foundation, Inc.
-;; Author: Francesco Potorti` <pot@cnuce.cnr.it>
-;; Version: $Id: cmacexp.el,v 1.26 1996/06/07 22:59:27 rms Exp rms $
+;; Author: Francesco Potorti` <pot@gnu.org>
;; Adapted-By: ESR
;; Keywords: c
;; 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.
+;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
+;; Boston, MA 02110-1301, USA.
+
+;;; Commentary:
;; USAGE =============================================================
;; Put the following in your ~/.emacs file.
;; If you want the *Macroexpansion* window to be not higher than
-;; necessary:
+;; necessary:
;;(setq c-macro-shrink-window-flag t)
;;
;; If you use a preprocessor other than /lib/cpp (be careful to set a
;; BUG REPORTS =======================================================
;; Please report bugs, suggestions, complaints and so on to
-;; pot@cnuce.cnr.it (Francesco Potorti`).
+;; pot@gnu.org (Francesco Potorti`).
;; IMPROVEMENTS OVER emacs 18.xx cmacexp.el ==========================
;; If the start point of the region is inside a macro definition the
;; macro expansion is often inaccurate.
+;;; Code:
(require 'cc-mode)
(provide 'cmacexp)
+(defvar msdos-shells)
+
+
(defgroup c-macro nil
"Expand C macros in a region."
:group 'c)
:group 'c-macro)
(defcustom c-macro-preprocessor
- ;; Cannot rely on standard directory on MS-DOS to find CPP.
- (cond ((eq system-type 'ms-dos) "cpp -C")
- ;; Solaris has it in an unusual place.
+ (cond ;; Solaris has it in an unusual place.
((and (string-match "^[^-]*-[^-]*-\\(solaris\\|sunos5\\)"
system-configuration)
(file-exists-p "/opt/SUNWspro/SC3.0.1/bin/acomp"))
"/opt/SUNWspro/SC3.0.1/bin/acomp -C -E")
- (t "/lib/cpp -C"))
+ ((locate-file "/usr/ccs/lib/cpp"
+ '("/") exec-suffixes 'file-executable-p)
+ "/usr/ccs/lib/cpp -C")
+ ((locate-file "/lib/cpp"
+ '("/") exec-suffixes 'file-executable-p)
+ "/lib/cpp -C")
+ ;; On some systems, we cannot rely on standard directories to
+ ;; find CPP. In fact, we cannot rely on having cpp, either,
+ ;; in some GCC versions.
+ ((locate-file "cpp" exec-path exec-suffixes 'file-executable-p)
+ "cpp -C")
+ (t "gcc -E -C -o - -"))
"The preprocessor used by the cmacexp package.
If you change this, be sure to preserve the `-C' (don't strip comments)
(defconst c-macro-buffer-name "*Macroexpansion*")
+;;;###autoload
(defun c-macro-expand (start end subst)
"Expand C macros in the region, using the C preprocessor.
Normally display output in temp buffer, but
prefix arg means replace the region with it.
`c-macro-preprocessor' specifies the preprocessor to use.
-Prompt for arguments to the preprocessor \(e.g. `-DDEBUG -I ./include')
-if the user option `c-macro-prompt-flag' is non-nil.
+Tf the user option `c-macro-prompt-flag' is non-nil
+prompt for arguments to the preprocessor \(e.g. `-DDEBUG -I ./include'),
+otherwise use `c-macro-cppflags'.
Noninteractive args are START, END, SUBST.
For use inside Lisp programs, see also `c-macro-expansion'."
(let ((oldwinheight (window-height))
(alreadythere ;the window was already there
(get-buffer-window (current-buffer)))
- (popped nil)) ;the window popped changing the layout
+ (popped nil)) ;the window popped changing the layout
(or alreadythere
(progn
(display-buffer (current-buffer) t)
;; Preprocess the buffer contents, then look for all the lines stored
;; in linelist starting from end of buffer. The last line so found is
;; where START was, so return the substring from point to end of
-;; buffer.
+;; buffer.
(let ((inbuf (current-buffer))
(outbuf (get-buffer-create " *C Macro Expansion*"))
(filename (if (and buffer-file-name
(startstat ())
(startmarker "")
(exit-status 0)
- (tempname (make-temp-name (concat
- (or (getenv "TMPDIR") (getenv "TEMP")
- (getenv "TMP") "/tmp")
- "/"))))
+ (tempname (make-temp-file
+ (expand-file-name "cmacexp"
+ (or small-temporary-file-directory
+ temporary-file-directory)))))
(unwind-protect
(save-excursion
(save-restriction
(format "\n#line %d \"%s\"\n" startlinenum filename)))
;; Call the preprocessor.
- (if display (message mymsg))
+ (if display (message "%s" mymsg))
(setq exit-status
(call-process-region 1 (point-max)
shell-file-name
t (list t tempname) nil "-c"
cppcommand))
- (if display (message (concat mymsg "done")))
+ (if display (message "%s" (concat mymsg "done")))
(if (= (buffer-size) 0)
;; Empty output is normal after a fatal error.
(insert "\nPreprocessor produced no output\n")
;; Cleanup.
(kill-buffer outbuf))))
+;;; arch-tag: 4f20253c-71ef-4e6d-a774-19087060910e
;;; cmacexp.el ends here
HCoop / bpt / emacs.git / blobdiff