diff options
Diffstat (limited to 'lisp/vc/vc-dispatcher.el')
| -rw-r--r-- | lisp/vc/vc-dispatcher.el | 45 |
1 files changed, 21 insertions, 24 deletions
diff --git a/lisp/vc/vc-dispatcher.el b/lisp/vc/vc-dispatcher.el index ed61adec1fe..309cf50404c 100644 --- a/lisp/vc/vc-dispatcher.el +++ b/lisp/vc/vc-dispatcher.el @@ -1,4 +1,4 @@ -;;; vc-dispatcher.el -- generic command-dispatcher facility. +;;; vc-dispatcher.el -- generic command-dispatcher facility. -*- lexical-binding: t -*- ;; Copyright (C) 2008-2013 Free Software Foundation, Inc. @@ -182,32 +182,29 @@ Another is that undo information is not kept." (defvar vc-sentinel-movepoint) ;Dynamically scoped. -(defun vc-process-sentinel (p s) - (let ((previous (process-get p 'vc-previous-sentinel)) - (buf (process-buffer p))) +(defun vc--process-sentinel (p code) + (let ((buf (process-buffer p))) ;; Impatient users sometime kill "slow" buffers; check liveness ;; to avoid "error in process sentinel: Selecting deleted buffer". (when (buffer-live-p buf) - (when previous (funcall previous p s)) (with-current-buffer buf (setq mode-line-process (let ((status (process-status p))) ;; Leave mode-line uncluttered, normally. (unless (eq 'exit status) (format " (%s)" status)))) - (let (vc-sentinel-movepoint) + (let (vc-sentinel-movepoint + (m (process-mark p))) ;; Normally, we want async code such as sentinels to not move point. (save-excursion - (goto-char (process-mark p)) - (let ((cmds (process-get p 'vc-sentinel-commands))) - (process-put p 'vc-sentinel-commands nil) - (dolist (cmd cmds) + (goto-char m) ;; Each sentinel may move point and the next one should be run ;; at that new point. We could get the same result by having ;; each sentinel read&set process-mark, but since `cmd' needs ;; to work both for async and sync processes, this would be ;; difficult to achieve. - (vc-exec-after cmd)))) + (vc-exec-after code) + (move-marker m (point))) ;; But sometimes the sentinels really want to move point. (when vc-sentinel-movepoint (let ((win (get-buffer-window (current-buffer) 0))) @@ -226,7 +223,9 @@ Another is that undo information is not kept." (defun vc-exec-after (code) "Eval CODE when the current buffer's process is done. If the current buffer has no process, just evaluate CODE. -Else, add CODE to the process' sentinel." +Else, add CODE to the process' sentinel. +CODE can be either a function of no arguments, or an expression +to evaluate." (let ((proc (get-buffer-process (current-buffer)))) (cond ;; If there's no background process, just execute the code. @@ -237,20 +236,14 @@ Else, add CODE to the process' sentinel." ((or (null proc) (eq (process-status proc) 'exit)) ;; Make sure we've read the process's output before going further. (when proc (accept-process-output proc)) - (eval code)) + (if (functionp code) (funcall code) (eval code))) ;; If a process is running, add CODE to the sentinel ((eq (process-status proc) 'run) (vc-set-mode-line-busy-indicator) - (let ((previous (process-sentinel proc))) - (unless (eq previous 'vc-process-sentinel) - (process-put proc 'vc-previous-sentinel previous)) - (set-process-sentinel proc 'vc-process-sentinel)) - (process-put proc 'vc-sentinel-commands - ;; We keep the code fragments in the order given - ;; so that vc-diff-finish's message shows up in - ;; the presence of non-nil vc-command-messages. - (append (process-get proc 'vc-sentinel-commands) - (list code)))) + (letrec ((fun (lambda (p _msg) + (remove-function (process-sentinel p) fun) + (vc--process-sentinel p code)))) + (add-function :after (process-sentinel proc) fun))) (t (error "Unexpected process state")))) nil) @@ -388,6 +381,8 @@ Display the buffer in some window, but don't select it." (set-window-start window new-window-start)) buffer)) +(defvar compilation-error-regexp-alist) + (defun vc-compilation-mode (backend) "Setup `compilation-mode' after with the appropriate `compilation-error-regexp-alist'." (let* ((error-regexp-alist @@ -479,7 +474,7 @@ Used by `vc-restore-buffer-context' to later restore the context." (vc-position-context (mark-marker)))) ;; Make the right thing happen in transient-mark-mode. (mark-active nil)) - (list point-context mark-context nil))) + (list point-context mark-context))) (defun vc-restore-buffer-context (context) "Restore point/mark, and reparse any affected compilation buffers. @@ -518,6 +513,8 @@ ARG and NO-CONFIRM are passed on to `revert-buffer'." (make-variable-buffer-local 'vc-mode-line-hook) (put 'vc-mode-line-hook 'permanent-local t) +(defvar view-old-buffer-read-only) + (defun vc-resynch-window (file &optional keep noquery reset-vc-info) "If FILE is in the current buffer, either revert or unvisit it. The choice between revert (to see expanded keywords) and unvisit |