;;; grep.el --- run `grep' and display the results
-;; Copyright (C) 1985-1987, 1993-1999, 2001-2011
+;; Copyright (C) 1985-1987, 1993-1999, 2001-2012
;; Free Software Foundation, Inc.
;; Author: Roland McGrath <roland@gnu.org>
Setting it causes the grep commands to put point at the end of their
output window so that the end of the output is always visible rather
-than the begining."
+than the beginning."
:type 'boolean
:version "22.1"
:group 'grep)
(defvar grep-mode-map
(let ((map (make-sparse-keymap)))
(set-keymap-parent map compilation-minor-mode-map)
- (define-key map " " 'scroll-up)
- (define-key map "\^?" 'scroll-down)
+ (define-key map " " 'scroll-up-command)
+ (define-key map "\^?" 'scroll-down-command)
(define-key map "\C-c\C-f" 'next-error-follow-minor-mode)
(define-key map "\r" 'compile-goto-error) ;; ?
"The most recent grep buffer.
A grep buffer becomes most recent when you select Grep mode in it.
Notice that using \\[next-error] or \\[compile-goto-error] modifies
-`complation-last-buffer' rather than `grep-last-buffer'.")
+`compilation-last-buffer' rather than `grep-last-buffer'.")
;;;###autoload
(defconst grep-regexp-alist
- '(("^\\(.+?\\)\\(:[ \t]*\\)\\([1-9][0-9]*\\)\\2"
- 1 3)
+ '(
;; Rule to match column numbers is commented out since no known grep
;; produces them
- ;; ("^\\(.+?\\)\\(:[ \t]*\\)\\([0-9]+\\)\\2\\(?:\\([0-9]+\\)\\(?:-\\([0-9]+\\)\\)?\\2\\)?"
+ ;; ("^\\(.+?\\)\\(:[ \t]*\\)\\([1-9][0-9]*\\)\\2\\(?:\\([1-9][0-9]*\\)\\(?:-\\([1-9][0-9]*\\)\\)?\\2\\)?"
;; 1 3 (4 . 5))
;; Note that we want to use as tight a regexp as we can to try and
;; handle weird file names (with colons in them) as well as possible.
- ;; E.g. we use [1-9][0-9]* rather than [0-9]+ so as to accept ":034:" in
- ;; file names.
- ("^\\(\\(.+?\\):\\([1-9][0-9]*\\):\\).*?\
-\\(\033\\[01;31m\\(?:\033\\[K\\)?\\)\\(.*?\\)\\(\033\\[[0-9]*m\\)"
- 2 3
- ;; Calculate column positions (beg . end) of first grep match on a line
+ ;; E.g. we use [1-9][0-9]* rather than [0-9]+ so as to accept ":034:"
+ ;; in file names.
+ ("^\\(.+?\\)\\(:[ \t]*\\)\\([1-9][0-9]*\\)\\2"
+ 1 3
+ ;; Calculate column positions (col . end-col) of first grep match on a line
((lambda ()
- (setq compilation-error-screen-columns nil)
- (- (match-beginning 4) (match-end 1)))
+ (when grep-highlight-matches
+ (let* ((beg (match-end 0))
+ (end (save-excursion (goto-char beg) (line-end-position)))
+ (mbeg (text-property-any beg end 'font-lock-face 'match)))
+ (when mbeg
+ (- mbeg beg)))))
.
- (lambda () (- (match-end 5) (match-end 1)
- (- (match-end 4) (match-beginning 4)))))
- nil 1)
+ (lambda ()
+ (when grep-highlight-matches
+ (let* ((beg (match-end 0))
+ (end (save-excursion (goto-char beg) (line-end-position)))
+ (mbeg (text-property-any beg end 'font-lock-face 'match))
+ (mend (and mbeg (next-single-property-change mbeg 'font-lock-face nil end))))
+ (when mend
+ (- mend beg)))))))
("^Binary file \\(.+\\) matches$" 1 nil nil 0 1))
"Regexp used to match grep hits. See `compilation-error-regexp-alist'.")
;; History of grep commands.
;;;###autoload
-(defvar grep-history nil)
+(defvar grep-history nil "History list for grep.")
;;;###autoload
-(defvar grep-find-history nil)
+(defvar grep-find-history nil "History list for grep-find.")
;; History of lgrep and rgrep regexp and files args.
(defvar grep-regexp-history nil)
(when (eq grep-highlight-matches 'auto-detect)
(grep-compute-defaults))
(unless (or (eq grep-highlight-matches 'auto-detect)
- ;; Uses font-lock to parse color escapes. (Bug#8084)
- (null font-lock-mode)
- (null grep-highlight-matches))
+ (null grep-highlight-matches)
+ ;; Don't output color escapes if they can't be
+ ;; highlighted with `font-lock-face' by `grep-filter'.
+ (null font-lock-mode))
;; `setenv' modifies `process-environment' let-bound in `compilation-start'
;; Any TERM except "dumb" allows GNU grep to use `--color=auto'
(setenv "TERM" "emacs-grep")
;; GREP_COLOR is used in GNU grep 2.5.1, but deprecated in later versions
(setenv "GREP_COLOR" "01;31")
;; GREP_COLORS is used in GNU grep 2.5.2 and later versions
- (setenv "GREP_COLORS" "mt=01;31:fn=:ln=:bn=:se=:ml=:cx=:ne"))
+ (setenv "GREP_COLORS" "mt=01;31:fn=:ln=:bn=:se=:sl=:cx=:ne"))
(set (make-local-variable 'compilation-exit-message-function)
(lambda (status code msg)
(if (eq status 'exit)
- (cond ((zerop code)
+ ;; This relies on the fact that `compilation-start'
+ ;; sets buffer-modified to nil before running the command,
+ ;; so the buffer is still unmodified if there is no output.
+ (cond ((and (zerop code) (buffer-modified-p))
'("finished (matches found)\n" . "matched"))
- ((= code 1)
+ ((not (buffer-modified-p))
'("finished with no matches found\n" . "no match"))
(t
(cons msg code)))
This function is called from `compilation-filter-hook'."
(save-excursion
(forward-line 0)
- (let ((end (point)))
+ (let ((end (point)) beg)
(goto-char compilation-filter-start)
(forward-line 0)
+ (setq beg (point))
;; Only operate on whole lines so we don't get caught with part of an
;; escape sequence in one chunk and the rest in another.
(when (< (point) end)
(setq end (copy-marker end))
;; Highlight grep matches and delete marking sequences.
- (while (re-search-forward "\033\\[01;31m\\(.*?\\)\033\\[[0-9]*m" end 1)
+ (while (re-search-forward "\033\\[0?1;31m\\(.*?\\)\033\\[[0-9]*m" end 1)
(replace-match (propertize (match-string 1)
'face nil 'font-lock-face grep-match-face)
t t))
;; Delete all remaining escape sequences
- (goto-char compilation-filter-start)
+ (goto-char beg)
(while (re-search-forward "\033\\[[0-9;]*[mK]" end 1)
(replace-match "" t t))))))
(set (make-local-variable 'compilation-process-setup-function)
'grep-process-setup)
(set (make-local-variable 'compilation-disable-input) t)
+ (set (make-local-variable 'compilation-error-screen-columns)
+ grep-error-screen-columns)
(add-hook 'compilation-filter-hook 'grep-filter nil t))
in the grep output buffer,
to go to the lines where grep found matches.
-This command shares argument histories with \\[lgrep] and \\[grep-find]."
+This command shares argument histories with \\[lgrep] and \\[grep-find].
+
+When called programmatically and FILES is nil, REGEXP is expected
+to specify a command to run."
(interactive
(progn
(grep-compute-defaults)
(unless (and dir (file-directory-p dir) (file-readable-p dir))
(setq dir default-directory))
(if (null files)
- (if (not (string= regexp grep-find-command))
+ (if (not (string= regexp (if (consp grep-find-command)
+ (car grep-find-command)
+ grep-find-command)))
(compilation-start regexp 'grep-mode))
(setq dir (file-name-as-directory (expand-file-name dir)))
(require 'find-dired) ; for `find-name-arg'
dir
(concat
(and grep-find-ignored-directories
- (concat (shell-quote-argument "(")
+ (concat "-type d "
+ (shell-quote-argument "(")
;; we should use shell-quote-argument here
" -path "
(mapconcat
HCoop / bpt / emacs.git / blobdiff