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-rw-r--r--etc/NEWS4
-rw-r--r--lisp/ChangeLog7
-rw-r--r--lisp/emulation/viper-init.el2
-rw-r--r--lisp/erc/ChangeLog12
-rw-r--r--lisp/erc/erc.el99
-rw-r--r--lisp/ido.el8
-rw-r--r--lisp/isearchb.el6
-rw-r--r--lisp/misearch.el4
-rw-r--r--lisp/obsolete/iswitchb.el6
-rw-r--r--lisp/replace.el2
-rw-r--r--src/ChangeLog5
-rw-r--r--src/callint.c4
-rw-r--r--src/minibuf.c18
13 files changed, 105 insertions, 72 deletions
diff --git a/etc/NEWS b/etc/NEWS
index 24ed0799b2c..cabd0087d92 100644
--- a/etc/NEWS
+++ b/etc/NEWS
@@ -594,6 +594,8 @@ a typographically-correct documents.
* Incompatible Lisp Changes in Emacs 25.1
+** read-buffer-function can now be called with a 4th argument (`predicate').
+
** completion-table-dynamic stays in the minibuffer.
If you want the old behavior of calling the function in the buffer
from which the minibuffer was entered, call it with the new argument
@@ -631,6 +633,8 @@ word syntax, use `\sw' instead.
* Lisp Changes in Emacs 25.1
+** `read-buffer' takes a new `predicate' argument.
+
** Emacs Lisp now supports generators.
** New finalizer facility for running code when objects
diff --git a/lisp/ChangeLog b/lisp/ChangeLog
index 1383fdb2ecf..e9e910a8857 100644
--- a/lisp/ChangeLog
+++ b/lisp/ChangeLog
@@ -1,3 +1,10 @@
+2015-03-16 Stefan Monnier <monnier@iro.umontreal.ca>
+
+ * obsolete/iswitchb.el (iswitchb-read-buffer): Add `predicate' arg.
+ * isearchb.el (isearchb-iswitchb): Adjust accordingly.
+ * ido.el (ido-read-buffer): Add `predicate' argument.
+ * misearch.el (unload-function-defs-list): Declare before use.
+
2015-03-16 Vibhav Pant <vibhavp@gmail.com>
* net/browse-url.el (browse-url-browser-function): Add "Conkeror".
diff --git a/lisp/emulation/viper-init.el b/lisp/emulation/viper-init.el
index 75932a80d44..e575eee6c93 100644
--- a/lisp/emulation/viper-init.el
+++ b/lisp/emulation/viper-init.el
@@ -463,7 +463,7 @@ color displays. By default, the delimiters are used only on TTYs."
:type 'boolean
:group 'viper)
-(defcustom viper-read-buffer-function 'read-buffer
+(defcustom viper-read-buffer-function #'read-buffer
"Function to use for prompting the user for a buffer name."
:type 'symbol
:group 'viper)
diff --git a/lisp/erc/ChangeLog b/lisp/erc/ChangeLog
index 4f5fced1bd5..e75b8cc0078 100644
--- a/lisp/erc/ChangeLog
+++ b/lisp/erc/ChangeLog
@@ -1,3 +1,15 @@
+2015-03-16 Stefan Monnier <monnier@iro.umontreal.ca>
+
+ * erc.el (erc-switch-to-buffer): Rename from erc-iswitchb and rewrite
+ using read-buffer (bug#20116).
+ (erc--buffer-p): New function, extracted from erc-buffer-filter.
+ (erc-buffer-filter): Use it.
+ (erc-with-all-buffers-of-server): Silence compile warning if the return
+ value is unused.
+ (erc-is-valid-nick-p, erc-common-server-suffixes, erc-get-arglist)
+ (erc-command-name, erc-popup-input-buffer): Use \` and \' to match
+ beg/end of string.
+
2015-03-03 Kelvin White <kwhite@gnu.org>
* erc.el: Add old version string back to file header for
diff --git a/lisp/erc/erc.el b/lisp/erc/erc.el
index a84f9f07523..7e76a6def42 100644
--- a/lisp/erc/erc.el
+++ b/lisp/erc/erc.el
@@ -1110,7 +1110,7 @@ which the local user typed."
(define-key map "\C-a" 'erc-bol)
(define-key map [home] 'erc-bol)
(define-key map "\C-c\C-a" 'erc-bol)
- (define-key map "\C-c\C-b" 'erc-iswitchb)
+ (define-key map "\C-c\C-b" 'erc-switch-to-buffer)
(define-key map "\C-c\C-c" 'erc-toggle-interpret-controls)
(define-key map "\C-c\C-d" 'erc-input-action)
(define-key map "\C-c\C-e" 'erc-toggle-ctcp-autoresponse)
@@ -1647,6 +1647,14 @@ If PROC is not supplied, all processes are searched."
(throw 'buffer (current-buffer)))))
proc))))
+(defun erc--buffer-p (buf predicate proc)
+ (with-current-buffer buf
+ (and (derived-mode-p 'erc-mode)
+ (or (not proc)
+ (eq proc erc-server-process))
+ (funcall predicate)
+ buf)))
+
(defun erc-buffer-filter (predicate &optional proc)
"Return a list of `erc-mode' buffers matching certain criteria.
PREDICATE is a function executed with each buffer, if it returns t, that buffer
@@ -1659,12 +1667,7 @@ server connection, or nil which means all open connections."
nil
(mapcar (lambda (buf)
(when (buffer-live-p buf)
- (with-current-buffer buf
- (and (eq major-mode 'erc-mode)
- (or (not proc)
- (eq proc erc-server-process))
- (funcall predicate)
- buf))))
+ (erc--buffer-p buf predicate proc)))
(buffer-list)))))
(defun erc-buffer-list (&optional predicate proc)
@@ -1695,42 +1698,32 @@ nil."
,pro))))
;; Silence the byte-compiler by binding the result of mapcar to
;; a variable.
+ (ignore res)
res)))
-;; (iswitchb-mode) will autoload iswitchb.el
-(defvar iswitchb-temp-buflist)
-(declare-function iswitchb-read-buffer "iswitchb"
- (prompt &optional default require-match start matches-set))
-(defvar iswitchb-make-buflist-hook)
-
-(defun erc-iswitchb (&optional arg)
- "Use `iswitchb-read-buffer' to prompt for a ERC buffer to switch to.
+(define-obsolete-function-alias 'erc-iswitchb 'erc-switch-to-buffer "25.1")
+(defun erc-switch-to-buffer (&optional arg)
+ "Prompt for a ERC buffer to switch to.
When invoked with prefix argument, use all erc buffers. Without prefix
ARG, allow only buffers related to same session server.
If `erc-track-mode' is in enabled, put the last element of
-`erc-modified-channels-alist' in front of the buffer list.
-
-Due to some yet unresolved reason, global function `iswitchb-mode'
-needs to be active for this function to work."
+`erc-modified-channels-alist' in front of the buffer list."
(interactive "P")
- (let ((enabled (bound-and-true-p iswitchb-mode)))
- (or enabled (iswitchb-mode 1))
- (unwind-protect
- (let ((iswitchb-make-buflist-hook
- (lambda ()
- (setq iswitchb-temp-buflist
- (mapcar 'buffer-name
- (erc-buffer-list
- nil
- (when arg erc-server-process)))))))
- (switch-to-buffer
- (iswitchb-read-buffer
- "Switch-to: "
- (if (boundp 'erc-modified-channels-alist)
- (buffer-name (caar (last erc-modified-channels-alist)))
- nil)
- t)))
- (or enabled (iswitchb-mode -1)))))
+ (switch-to-buffer
+ (read-buffer "Switch to ERC buffer: "
+ (when (boundp 'erc-modified-channels-alist)
+ (buffer-name (caar (last erc-modified-channels-alist))))
+ t
+ ;; Only allow ERC buffers in the same session.
+ (let ((proc (unless arg erc-server-process)))
+ (lambda (bufname)
+ (let ((buf (get-buffer bufname)))
+ (when buf
+ (erc--buffer-p buf (lambda () t) proc)
+ (with-current-buffer buf
+ (and (derived-mode-p 'erc-mode)
+ (or (null proc)
+ (eq proc erc-server-process)))))))))))
(defun erc-channel-list (proc)
"Return a list of channel buffers.
@@ -2189,7 +2182,7 @@ be invoked for the values of the other parameters."
Arguments are the same as for `erc'."
(interactive (erc-select-read-args))
(let ((erc-server-connect-function 'erc-open-tls-stream))
- (apply 'erc r)))
+ (apply #'erc r)))
(defun erc-open-tls-stream (name buffer host port)
"Open an TLS stream to an IRC server.
@@ -2403,7 +2396,7 @@ If STRING is nil, the function does nothing."
(defun erc-is-valid-nick-p (nick)
"Check if NICK is a valid IRC nickname."
- (string-match (concat "^" erc-valid-nick-regexp "$") nick))
+ (string-match (concat "\\`" erc-valid-nick-regexp "\\'") nick))
(defun erc-display-line (string &optional buffer)
"Display STRING in the ERC BUFFER.
@@ -2602,9 +2595,9 @@ server within `erc-lurker-threshold-time'. See also
erc-lurker-threshold-time))))
(defcustom erc-common-server-suffixes
- '(("openprojects.net$" . "OPN")
- ("freenode.net$" . "freenode")
- ("oftc.net$" . "OFTC"))
+ '(("openprojects.net\\'" . "OPN")
+ ("freenode.net\\'" . "freenode")
+ ("oftc.net\\'" . "OFTC"))
"Alist of common server name suffixes.
This variable is used in mode-line display to save screen
real estate. Set it to nil if you want to avoid changing
@@ -2640,7 +2633,7 @@ ARGS, PARSED, and TYPE are used to format MSG sensibly.
See also `erc-format-message' and `erc-display-line'."
(let ((string (if (symbolp msg)
- (apply 'erc-format-message msg args)
+ (apply #'erc-format-message msg args)
msg)))
(setq string
(cond
@@ -2689,7 +2682,7 @@ See also `erc-server-send'."
(defun erc-get-arglist (fun)
"Return the argument list of a function without the parens."
(let ((arglist (format "%S" (erc-function-arglist fun))))
- (if (string-match "^(\\(.*\\))$" arglist)
+ (if (string-match "\\`(\\(.*\\))\\'" arglist)
(match-string 1 arglist)
arglist)))
@@ -2705,7 +2698,7 @@ is not alive, nil otherwise."
"For CMD being the function name of a ERC command, something like
erc-cmd-FOO, this returns a string /FOO."
(let ((command-name (symbol-name cmd)))
- (if (string-match "^erc-cmd-\\(.*\\)$" command-name)
+ (if (string-match "\\`erc-cmd-\\(.*\\)\\'" command-name)
(concat "/" (match-string 1 command-name))
command-name)))
@@ -2796,7 +2789,7 @@ VALUE is computed by evaluating the rest of LINE in Lisp."
(erc-display-line
(concat "Available user variables:\n"
(apply
- 'concat
+ #'concat
(mapcar
(lambda (var)
(let ((val (symbol-value var)))
@@ -3775,7 +3768,7 @@ Unban all currently banned users in the current channel."
t)))
(erc-server-send (format "MODE %s b" chnl)))))
- (t (let ((bans (mapcar 'cdr erc-channel-banlist)))
+ (t (let ((bans (mapcar #'cdr erc-channel-banlist)))
(when bans
;; Glob the bans into groups of three, and carry out the unban.
;; eg. /mode #foo -bbb a*!*@* b*!*@* c*!*@*
@@ -3930,7 +3923,7 @@ If `point' is at the beginning of a channel name, use that as default."
(concat "Set topic of " (erc-default-target) ": ")
(when erc-channel-topic
(let ((ss (split-string erc-channel-topic "\C-o")))
- (cons (apply 'concat (if (cdr ss) (butlast ss) ss))
+ (cons (apply #'concat (if (cdr ss) (butlast ss) ss))
0))))))
(let ((topic-list (split-string topic "\C-o"))) ; strip off the topic setter
(erc-cmd-TOPIC (concat (erc-default-target) " " (car topic-list)))))
@@ -5052,7 +5045,7 @@ arg-modes is a list of triples of the form:
(MODE-CHAR ON/OFF ARGUMENT)."
(if (string-match "^\\s-*\\(\\S-+\\)\\(\\s-.*$\\|$\\)" mode-string)
- (let ((chars (mapcar 'char-to-string (match-string 1 mode-string)))
+ (let ((chars (mapcar #'char-to-string (match-string 1 mode-string)))
;; arguments in channel modes
(args-str (match-string 2 mode-string))
(args nil)
@@ -5998,7 +5991,7 @@ Returns a list of the form (HIGH LOW), compatible with Emacs time format."
(if (> minutes 0)
`("%d minutes, %d seconds" ,minutes ,seconds)
`("%d seconds" ,seconds))))
- output (apply 'format format-args))
+ output (apply #'format format-args))
;; Change all "1 units" to "1 unit".
(while (string-match "\\([^0-9]\\|^\\)1 \\S-+\\(s\\)" output)
(setq output (erc-replace-match-subexpression-in-string
@@ -6246,7 +6239,7 @@ if `erc-away' is non-nil."
(defun erc-format-channel-modes ()
"Return the current channel's modes."
- (concat (apply 'concat
+ (concat (apply #'concat
"+" erc-channel-modes)
(cond ((and erc-channel-user-limit erc-channel-key)
(if erc-show-channel-key-p
@@ -6438,7 +6431,7 @@ All windows are opened in the current frame."
"Mode: "
(mapcar (lambda (e)
(list (symbol-name e)))
- (apropos-internal "-mode$" 'commandp))
+ (apropos-internal "-mode\\'" 'commandp))
nil t))))
(pop-to-buffer (make-indirect-buffer (current-buffer) buffer-name))
(funcall mode)
@@ -6634,7 +6627,7 @@ See also `format-spec'."
(error "No format spec for message %s" msg))
(when (functionp entry)
(setq entry (apply entry args)))
- (format-spec entry (apply 'format-spec-make args))))
+ (format-spec entry (apply #'format-spec-make args))))
;;; Various hook functions
diff --git a/lisp/ido.el b/lisp/ido.el
index 563f406aeb6..60a59d6e99d 100644
--- a/lisp/ido.el
+++ b/lisp/ido.el
@@ -1590,10 +1590,10 @@ enable the mode if ARG is omitted or nil."
(when ido-everywhere
(when (memq ido-mode '(both file))
(put 'ido-everywhere 'file (cons read-file-name-function nil))
- (setq read-file-name-function 'ido-read-file-name))
+ (setq read-file-name-function #'ido-read-file-name))
(when (memq ido-mode '(both buffer))
(put 'ido-everywhere 'buffer (cons read-buffer-function nil))
- (setq read-buffer-function 'ido-read-buffer))))
+ (setq read-buffer-function #'ido-read-buffer))))
(defvar ido-minor-mode-map-entry nil)
@@ -4782,7 +4782,7 @@ Modified from `icomplete-completions'."
(put 'dired-do-rename 'ido 'ignore)
;;;###autoload
-(defun ido-read-buffer (prompt &optional default require-match)
+(defun ido-read-buffer (prompt &optional default require-match predicate)
"Ido replacement for the built-in `read-buffer'.
Return the name of a buffer selected.
PROMPT is the prompt to give to the user. DEFAULT if given is the default
@@ -4796,7 +4796,7 @@ If REQUIRE-MATCH is non-nil, an existing buffer must be selected."
(if (eq ido-exit 'fallback)
(let ((read-buffer-function nil))
(run-hook-with-args 'ido-before-fallback-functions 'read-buffer)
- (read-buffer prompt default require-match))
+ (read-buffer prompt default require-match predicate))
buf)))
;;;###autoload
diff --git a/lisp/isearchb.el b/lisp/isearchb.el
index ffd4d62be38..5e7771cea52 100644
--- a/lisp/isearchb.el
+++ b/lisp/isearchb.el
@@ -75,7 +75,9 @@
;; killing iswitchb.el and then trying to switch back is broken
;; make sure TAB isn't broken
-(require 'iswitchb)
+;;; Code:
+
+(require 'iswitchb) ;FIXME: Don't rely on iswitchb!
(defgroup isearchb nil
"Switch between buffers using a mechanism like isearch."
@@ -118,7 +120,7 @@ Its purpose is to pass different call arguments to
(interactive)
(let* ((prompt "iswitch ")
(iswitchb-method 'samewindow)
- (buf (iswitchb-read-buffer prompt nil nil iswitchb-text t)))
+ (buf (iswitchb-read-buffer prompt nil nil nil iswitchb-text t)))
(if (eq iswitchb-exit 'findfile)
(call-interactively 'find-file)
(when buf
diff --git a/lisp/misearch.el b/lisp/misearch.el
index dcc819564fb..65969113d93 100644
--- a/lisp/misearch.el
+++ b/lisp/misearch.el
@@ -234,7 +234,7 @@ set in `multi-isearch-buffers' or `multi-isearch-buffers-regexp'."
(ido-ignore-item-temp-list bufs))
(while (not (string-equal
(setq buf (read-buffer
- (if (eq read-buffer-function 'ido-read-buffer)
+ (if (eq read-buffer-function #'ido-read-buffer)
"Next buffer to search (C-j to end): "
"Next buffer to search (RET to end): ")
nil t))
@@ -377,6 +377,8 @@ whose file names match the specified wildcard."
(goto-char (if isearch-forward (point-min) (point-max)))
(isearch-forward-regexp nil t)))
+(defvar unload-function-defs-list)
+
(defun multi-isearch-unload-function ()
"Remove autoloaded variables from `unload-function-defs-list'.
Also prevent the feature from being reloaded via `isearch-mode-hook'."
diff --git a/lisp/obsolete/iswitchb.el b/lisp/obsolete/iswitchb.el
index 6b1e5347e21..111de8537d3 100644
--- a/lisp/obsolete/iswitchb.el
+++ b/lisp/obsolete/iswitchb.el
@@ -175,10 +175,10 @@
;; iswitchb-read-buffer has been written to be a drop in replacement
;; for the normal buffer selection routine `read-buffer'. To use
;; iswitch for all buffer selections in Emacs, add:
-;; (setq read-buffer-function 'iswitchb-read-buffer)
+;; (setq read-buffer-function #'iswitchb-read-buffer)
;; (This variable was introduced in Emacs 20.3.)
;; XEmacs users can get the same behavior by doing:
-;; (defalias 'read-buffer 'iswitchb-read-buffer)
+;; (defalias 'read-buffer #'iswitchb-read-buffer)
;; since `read-buffer' is defined in lisp.
;; Using iswitchb for other completion tasks.
@@ -586,7 +586,7 @@ in a separate window.
))))
(defun iswitchb-read-buffer (prompt &optional default require-match
- start matches-set)
+ _predicate start matches-set)
"Replacement for the built-in `read-buffer'.
Return the name of a buffer selected.
PROMPT is the prompt to give to the user.
diff --git a/lisp/replace.el b/lisp/replace.el
index e0636e0728c..70b86dd2016 100644
--- a/lisp/replace.el
+++ b/lisp/replace.el
@@ -1369,7 +1369,7 @@ See also `multi-occur-in-matching-buffers'."
(ido-ignore-item-temp-list bufs))
(while (not (string-equal
(setq buf (read-buffer
- (if (eq read-buffer-function 'ido-read-buffer)
+ (if (eq read-buffer-function #'ido-read-buffer)
"Next buffer to search (C-j to end): "
"Next buffer to search (RET to end): ")
nil t))
diff --git a/src/ChangeLog b/src/ChangeLog
index e328afcde8f..fbf8fb452fc 100644
--- a/src/ChangeLog
+++ b/src/ChangeLog
@@ -1,3 +1,8 @@
+2015-03-16 Stefan Monnier <monnier@iro.umontreal.ca>
+
+ * minibuf.c (Fread_buffer): Add `predicate' argument.
+ * callint.c (Fcall_interactively): Adjust calls accordingly.
+
2015-03-15 Eli Zaretskii <eliz@gnu.org>
* xdisp.c (handle_invisible_prop): Fix up it->position even when
diff --git a/src/callint.c b/src/callint.c
index 0c6c03036c8..cf50e0c3788 100644
--- a/src/callint.c
+++ b/src/callint.c
@@ -531,13 +531,13 @@ invoke it. If KEYS is omitted or nil, the return value of
args[i] = Fcurrent_buffer ();
if (EQ (selected_window, minibuf_window))
args[i] = Fother_buffer (args[i], Qnil, Qnil);
- args[i] = Fread_buffer (callint_message, args[i], Qt);
+ args[i] = Fread_buffer (callint_message, args[i], Qt, Qnil);
break;
case 'B': /* Name of buffer, possibly nonexistent. */
args[i] = Fread_buffer (callint_message,
Fother_buffer (Fcurrent_buffer (), Qnil, Qnil),
- Qnil);
+ Qnil, Qnil);
break;
case 'c': /* Character. */
diff --git a/src/minibuf.c b/src/minibuf.c
index e7c288b251b..c03316965d3 100644
--- a/src/minibuf.c
+++ b/src/minibuf.c
@@ -1081,7 +1081,7 @@ A user option, or customizable variable, is one for which
return Fintern (name, Qnil);
}
-DEFUN ("read-buffer", Fread_buffer, Sread_buffer, 1, 3, 0,
+DEFUN ("read-buffer", Fread_buffer, Sread_buffer, 1, 4, 0,
doc: /* Read the name of a buffer and return as a string.
Prompt with PROMPT.
Optional second arg DEF is value to return if user enters an empty line.
@@ -1093,8 +1093,11 @@ The argument PROMPT should be a string ending with a colon and a space.
If `read-buffer-completion-ignore-case' is non-nil, completion ignores
case while reading the buffer name.
If `read-buffer-function' is non-nil, this works by calling it as a
-function, instead of the usual behavior. */)
- (Lisp_Object prompt, Lisp_Object def, Lisp_Object require_match)
+function, instead of the usual behavior.
+Optional arg PREDICATE if non-nil is a function limiting the buffers that can
+be considered. */)
+ (Lisp_Object prompt, Lisp_Object def, Lisp_Object require_match,
+ Lisp_Object predicate)
{
Lisp_Object result;
char *s;
@@ -1136,11 +1139,16 @@ function, instead of the usual behavior. */)
}
result = Fcompleting_read (prompt, intern ("internal-complete-buffer"),
- Qnil, require_match, Qnil,
+ predicate, require_match, Qnil,
Qbuffer_name_history, def, Qnil);
}
else
- result = call3 (Vread_buffer_function, prompt, def, require_match);
+ result = (NILP (predicate)
+ /* Partial backward compatibility for older read_buffer_functions
+ which don't expect a `predicate' argument. */
+ ? call3 (Vread_buffer_function, prompt, def, require_match)
+ : call4 (Vread_buffer_function, prompt, def, require_match,
+ predicate));
return unbind_to (count, result);
}
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