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Replace project-kill-buffers-ignores with project-kill-buffer-conditions

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* lisp/progmodes/project.el (project-kill-buffer-conditions):
Replace the project-kill-buffers-ignores user option.
(project--kill-buffer-check): New function.
(project--buffers-to-kill): New function.
(project-kill-buffers): Use them.  Add the NO-CONFIRM argument.
This commit is contained in:
Philip K 2020-07-29 01:21:56 +03:00 • committed by Dmitry Gutov
parent bc486d1e20
commit 2ab66c9f9b
1 changed files with 102 additions and 27 deletions
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129
lisp/progmodes/project.el
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@ -1001,16 +1001,51 @@ displayed."
(interactive (list (project--read-project-buffer)))
(display-buffer-other-frame buffer-or-name))
(defcustom project-kill-buffers-ignores
'("\\*Help\\*")
"Conditions for buffers `project-kill-buffers' should not kill.
Each condition is either a regular expression matching a buffer
name, or a predicate function that takes a buffer object as
argument and returns non-nil if it matches. Buffers that match
any of the conditions will not be killed."
:type '(repeat (choice regexp function))
(defcustom project-kill-buffer-conditions
'(buffer-file-name ; All file-visiting buffers are included.
;; Most of the temp buffers in the background:
(major-mode . fundamental-mode)
;; non-text buffer such as xref, occur, vc, log, ...
(and (derived-mode . special-mode)
(not (major-mode . help-mode)))
(derived-mode . compilation-mode)
(derived-mode . dired-mode)
(derived-mode . diff-mode))
"List of conditions to kill buffers related to a project.
This list is used by `project-kill-buffers'.
Each condition is either:
- a regular expression, to match a buffer name,
- a predicate function that takes a buffer object as argument
and returns non-nil if the buffer should be killed,
- a cons-cell, where the car describes how to interpret the cdr.
The car can be one of the following:
* `major-mode': the buffer is killed if the buffer's major
mode is eq to the cons-cell's cdr
* `defived-mode': the buffer is killed if the buffer's major
mode is derived from the major mode denoted by the cons-cell's
cdr
* `not': the cdr is interpreted as a negation of a condition.
* `and': the cdr is a list of recursive conditions, that all have
to be met.
* `or': the cdr is a list of recursive conditions, of which at
least one has to be met.
If any of these conditions are satified for a buffer in the
current project, it will be killed."
:type '(repeat (choice regexp function symbol
(cons :tag "Major mode"
(const major-mode) symbol)
(cons :tag "Derived mode"
(const derived-mode) symbol)
(cons :tag "Negation"
(const not) sexp)
(cons :tag "Conjunction"
(const and) sexp)
(cons :tag "Disjunction"
(const or) sexp)))
:version "28.1"
:package-version '(project . "0.5.0"))
:group 'project
:package-version '(project . "0.6.0"))
(defun project--buffer-list (pr)
"Return the list of all buffers in project PR."
@ -1022,26 +1057,66 @@ any of the conditions will not be killed."
(push buf bufs)))
(nreverse bufs)))
;;;###autoload
(defun project-kill-buffers ()
"Kill all live buffers belonging to the current project.
Two buffers belong to the same project if their project instances,
as reported by `project-current' in each buffer, are identical.
Certain buffers may be \"spared\", see `project-kill-buffers-ignores'."
(interactive)
(let ((pr (project-current t)) bufs)
(defun project--kill-buffer-check (buf conditions)
"Check if buffer BUF matches any element of the list CONDITIONS.
See `project-kill-buffer-conditions' for more details on the form
of CONDITIONS."
(catch 'kill
(dolist (c conditions)
(when (cond
((stringp c)
(string-match-p c (buffer-name buf)))
((symbolp c)
(funcall c buf))
((eq (car-safe c) 'major-mode)
(eq (buffer-local-value 'major-mode buf)
(cdr c)))
((eq (car-safe c) 'derived-mode)
(provided-mode-derived-p
(buffer-local-value 'major-mode buf)
(cdr c)))
((eq (car-safe c) 'not)
(not (project--kill-buffer-check buf (cdr c))))
((eq (car-safe c) 'or)
(project--kill-buffer-check buf (cdr c)))
((eq (car-safe c) 'and)
(seq-every-p
(apply-partially #'project--kill-buffer-check
buf)
(mapcar #'list (cdr c)))))
(throw 'kill t)))))
(defun project--buffers-to-kill (pr)
"Return list of buffers in project PR to kill.
What buffers should or should not be killed is described
in `project-kill-buffer-conditions'."
(let (bufs)
(dolist (buf (project--buffer-list pr))
(unless (seq-some
(lambda (c)
(cond ((stringp c)
(string-match-p c (buffer-name buf)))
((functionp c)
(funcall c buf))))
project-kill-buffers-ignores)
(when (project--kill-buffer-check buf project-kill-buffer-conditions)
(push buf bufs)))
(when (yes-or-no-p (format "Kill %d buffers in %s? "
(length bufs) (project-root pr)))
(mapc #'kill-buffer bufs))))
bufs))
;;;###autoload
(defun project-kill-buffers (&optional no-confirm)
"Kill the buffers belonging to the current project.
Two buffers belong to the same project if their project
instances, as reported by `project-current' in each buffer, are
identical. Only the buffers that match a condition in
`project-kill-buffer-conditions' will be killed. If NO-CONFIRM
is non-nil, the command will not ask the user for confirmation.
NO-CONFIRM is always nil when the command is invoked
interactivly."
(interactive)
(let* ((pr (project-current t))
(bufs (project--buffers-to-kill pr)))
(cond (no-confirm
(mapc #'kill-buffer bufs))
((null bufs)
(message "No buffers to kill"))
((yes-or-no-p (format "Kill %d buffers in %s? "
(length bufs)
(project-root pr)))
(mapc #'kill-buffer bufs)))))
;;; Project list