X-Git-Url: https://code.delx.au/gnu-emacs/blobdiff_plain/de4c2de7611201b1debf700a8d4bd50701651bad..5988691b0425d1952aa32734ee4eb0fb8341faf9:/lisp/progmodes/grep.el

diff --git a/lisp/progmodes/grep.el b/lisp/progmodes/grep.el
index 3c3ba4c036..7a13ddba6e 100644
--- a/lisp/progmodes/grep.el
+++ b/lisp/progmodes/grep.el
@@ -1,7 +1,7 @@
 ;;; grep.el --- run compiler as inferior of Emacs, parse error messages
 
-;; Copyright (C) 1985, 86, 87, 93, 94, 95, 96, 97, 98, 1999, 2001, 02, 2004
-;;  Free Software Foundation, Inc.
+;; Copyright (C) 1985, 1986, 1987, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
+;;   2001, 2002, 2004  Free Software Foundation, Inc.
 
 ;; Author: Roland McGrath <roland@gnu.org>
 ;; Maintainer: FSF
@@ -185,7 +185,7 @@ See `compilation-error-screen-columns'"
   (let ((map (cons 'keymap compilation-minor-mode-map)))
     (define-key map " " 'scroll-up)
     (define-key map "\^?" 'scroll-down)
-    (define-key map "\C-c\C-f" 'next-error-follow-mode)
+    (define-key map "\C-c\C-f" 'next-error-follow-minor-mode)
 
     ;; This is intolerable -- rms
 ;;;    (define-key map [remap next-line] 'compilation-next-error)
@@ -252,21 +252,12 @@ Notice that using \\[next-error] or \\[compile-goto-error] modifies
 \\(?:-\\(?:\\([0-9]+\\)\\3\\)?\\.?\\([0-9]+\\)?\\)?[:) \t]" 1 (2 . 5) (4 . 6))
     ("^\\(.+?\\)[:(]+\\([0-9]+\\)\\([:)]\\).*?\\(\033\\[01;41m\\)\\(.*?\\)\\(\033\\[00m\\)"
      1 2
+     ;; Calculate column positions (beg . end) of first grep match on a line
      ((lambda ()
         (setq compilation-error-screen-columns nil)
         (- (match-beginning 5) (match-end 3) 8))
       .
-      (lambda () (- (match-end 5) (match-end 3) 8)))
-     nil nil
-     (4 (list 'face nil 'invisible t 'intangible t))
-     (5 (list 'face compilation-column-face))
-     (6 (list 'face nil 'invisible t 'intangible t))
-     ;; highlight other matches on the same line
-     ("\\(\033\\[01;41m\\)\\(.*?\\)\\(\033\\[00m\\)"
-      nil nil
-      (1 (list 'face nil 'invisible t 'intangible t))
-      (2 (list 'face compilation-column-face) t)
-      (3 (list 'face nil 'invisible t 'intangible t))))
+      (lambda () (- (match-end 5) (match-end 3) 8))))
     ("^Binary file \\(.+\\) matches$" 1 nil nil 1))
   "Regexp used to match grep hits.  See `compilation-error-regexp-alist'.")
 
@@ -294,7 +285,16 @@ Notice that using \\[next-error] or \\[compile-goto-error] modifies
      ("^Grep \\(exited abnormally\\) with code \\([0-9]+\\).*"
       (0 '(face nil message nil help-echo nil mouse-face nil) t)
       (1 compilation-warning-face)
-      (2 compilation-line-face)))
+      (2 compilation-line-face))
+     ;; Highlight grep matches and delete markers
+     ("\\(\033\\[01;41m\\)\\(.*?\\)\\(\033\\[00m\\)"
+      (2 compilation-column-face)
+      ((lambda (p))
+       (progn
+	 ;; Delete markers with `replace-match' because it updates
+	 ;; the match-data, whereas `delete-region' would render it obsolete.
+	 (replace-match "" t t nil 3)
+	 (replace-match "" t t nil 1)))))
    "Additional things to highlight in grep output.
 This gets tacked on the end of the generated expressions.")
 
@@ -436,9 +436,11 @@ Set up `compilation-exit-message-function' and run `grep-setup-hook'."
 
 (defun grep-default-command ()
   (let ((tag-default
-	 (funcall (or find-tag-default-function
-		      (get major-mode 'find-tag-default-function)
-		      'find-tag-default)))
+         (shell-quote-argument
+          (or (funcall (or find-tag-default-function
+                           (get major-mode 'find-tag-default-function)
+                           'find-tag-default))
+              "")))
 	(sh-arg-re "\\(\\(?:\"\\(?:[^\"]\\|\\\\\"\\)+\"\\|'[^']+'\\|[^\"' \t\n]\\)+\\)")
 	(grep-default (or (car grep-history) grep-command)))
     ;; Replace the thing matching for with that around cursor.
@@ -460,7 +462,7 @@ Set up `compilation-exit-message-function' and run `grep-setup-hook'."
 					      0 (match-beginning 2))
 				   " *."
 				   (file-name-extension buffer-file-name))))
-      (replace-match (or tag-default "") t t grep-default 1))))
+      (replace-match tag-default t t grep-default 1))))
 
 ;;;###autoload
 (defun grep (command-args &optional highlight-regexp)
@@ -500,17 +502,6 @@ temporarily highlight in visited source lines."
 			 command-args)
 		       'grep-mode nil highlight-regexp)))
 
-;;; This doesn't work:
-;;;      ###autoload (autoload 'grep-mode "grep" nil t)
-;;; The ostensibly correct result is nonetheless opaque to the accounting
-;;; done in `generate-file-autoloads'; in loaddefs.el, the generated elisp is
-;;; correct but the generated header comment for grep.el lacks `grep-mode'.
-;;; This approach also doesn't help other users of `define-compilation-mode'
-;;; who wish to autoload.
-;;;
-;;; Better to extend autoload.el to grok `define-compilation-mode'.
-
-;;;###autoload
 (define-compilation-mode grep-mode "Grep"
   "Sets `grep-last-buffer' and `compilation-window-height'."
   (setq grep-last-buffer (current-buffer))
@@ -626,5 +617,5 @@ those sub directories of DIR."
 
 (provide 'grep)
 
-;;; arch-tag: 5a5b9169-a79d-4f38-9c38-f69615f39c4d
+;; arch-tag: 5a5b9169-a79d-4f38-9c38-f69615f39c4d
 ;;; grep.el ends here