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mirror of https://git.savannah.gnu.org/git/emacs.git synced 2024-11-24 07:20:37 +00:00

transient.el: Replace use of obsolete if-let and when-let

* lisp/transient.el (transient--expand-define-args)
(transient--parse-suffix, transient-get-suffix)
(transient--make-transient-map, transient--init-suffix)
(transient--init-suffix-key, transient--suspend-override)
(transient--wrap-command, transient--call-pre-command)
(transient--setup-recursion, transient--invalid)
(transient-init-value, transient-default-value)
(transient-infix-read, transient-prompt, transient--show)
(transient--insert-group, transient-format-key)
(transient-format-description, transient-format-value)
(transient--maybe-pad-keys, transient-command-summary-or-name)
(transient-show-help):
Replace use of if-let and when-let, obsolete for Emacs 31.x.
This commit is contained in:
Sean Whitton 2024-10-27 18:45:31 +08:00
parent 734d5e2f29
commit 4704dd39de

View File

@ -1060,7 +1060,7 @@ commands are aliases for."
(when (eq (car-safe (car args)) 'declare)
(setq declare (car args))
(setq args (cdr args))
(when-let ((int (assq 'interactive-only declare)))
(when-let* ((int (assq 'interactive-only declare)))
(setq interactive-only (cadr int))
(delq int declare))
(unless (cdr declare)
@ -1184,7 +1184,7 @@ commands are aliases for."
(setq args (plist-put args :argument (cadr arg)))
(setq arg (cadr arg)))
(string
(when-let ((shortarg (transient--derive-shortarg arg)))
(when-let* ((shortarg (transient--derive-shortarg arg)))
(setq args (plist-put args :shortarg shortarg)))
(setq args (plist-put args :argument arg))))
(setq sym (intern (format "transient:%s:%s" prefix arg)))
@ -1221,7 +1221,7 @@ commands are aliases for."
(setq args (plist-put args key (macroexp-quote val))))
((setq args (plist-put args key val)))))))
(unless (plist-get args :key)
(when-let ((shortarg (plist-get args :shortarg)))
(when-let* ((shortarg (plist-get args :shortarg)))
(setq args (plist-put args :key shortarg))))
(list 'list
(or level transient--default-child-level)
@ -1371,7 +1371,7 @@ LOC is a command, a key vector, a key description (a string
as returned by `key-description'), or a coordination list
(whose last element may also be a command or key).
See info node `(transient)Modifying Existing Transients'."
(if-let ((mem (transient--layout-member loc prefix)))
(if-let* ((mem (transient--layout-member loc prefix)))
(car mem)
(error "%s not found in %s" loc prefix)))
@ -1907,9 +1907,9 @@ of the corresponding object."
(error "Cannot bind %S to %s and also %s"
(string-trim key) cmd alt))
((define-key map kbd cmd))))))
(when-let ((b (keymap-lookup map "-"))) (keymap-set map "<kp-subtract>" b))
(when-let ((b (keymap-lookup map "="))) (keymap-set map "<kp-equal>" b))
(when-let ((b (keymap-lookup map "+"))) (keymap-set map "<kp-add>" b))
(when-let* ((b (keymap-lookup map "-"))) (keymap-set map "<kp-subtract>" b))
(when-let* ((b (keymap-lookup map "="))) (keymap-set map "<kp-equal>" b))
(when-let* ((b (keymap-lookup map "+"))) (keymap-set map "<kp-add>" b))
(when transient-enable-popup-navigation
;; `transient--make-redisplay-map' maps only over bindings that are
;; directly in the base keymap, so that cannot be a composed keymap.
@ -2135,7 +2135,7 @@ value. Otherwise return CHILDREN as is."
(apply class :level level args)
(unless (and cmd (symbolp cmd))
(error "BUG: Non-symbolic suffix command: %s" cmd))
(if-let ((proto (and cmd (transient--suffix-prototype cmd))))
(if-let* ((proto (and cmd (transient--suffix-prototype cmd))))
(apply #'clone proto :level level args)
(apply class :command cmd :level level args)))))
(cond ((not cmd))
@ -2166,7 +2166,7 @@ value. Otherwise return CHILDREN as is."
(if (transient-switches--eieio-childp obj)
(cl-call-next-method obj)
(unless (slot-boundp obj 'shortarg)
(when-let ((shortarg (transient--derive-shortarg (oref obj argument))))
(when-let* ((shortarg (transient--derive-shortarg (oref obj argument))))
(oset obj shortarg shortarg)))
(unless (slot-boundp obj 'key)
(if (slot-boundp obj 'shortarg)
@ -2367,7 +2367,7 @@ value. Otherwise return CHILDREN as is."
((and transient--prefix transient--redisplay-key)
(setq transient--redisplay-key nil)
(when transient--showp
(if-let ((win (minibuffer-selected-window)))
(if-let* ((win (minibuffer-selected-window)))
(with-selected-window win
(transient--show))
(transient--show)))))
@ -2439,7 +2439,7 @@ value. Otherwise return CHILDREN as is."
(advice-eval-interactive-spec spec))
(setq abort nil))
(when abort
(when-let ((unwind (oref prefix unwind-suffix)))
(when-let* ((unwind (oref prefix unwind-suffix)))
(transient--debug 'unwind-interactive)
(funcall unwind suffix))
(advice-remove suffix advice)
@ -2447,7 +2447,7 @@ value. Otherwise return CHILDREN as is."
(unwind-protect
(let ((debugger #'transient--exit-and-debug))
(apply fn args))
(when-let ((unwind (oref prefix unwind-suffix)))
(when-let* ((unwind (oref prefix unwind-suffix)))
(transient--debug 'unwind-command)
(funcall unwind suffix))
(advice-remove suffix advice)
@ -2622,7 +2622,7 @@ exit."
;;; Pre-Commands
(defun transient--call-pre-command ()
(if-let ((fn (transient--get-pre-command this-command)))
(if-let* ((fn (transient--get-pre-command this-command)))
(let ((action (funcall fn)))
(when (eq action transient--exit)
(setq transient--exitp (or transient--exitp t)))
@ -2718,7 +2718,7 @@ If there is no parent prefix, then just call the command."
(defun transient--setup-recursion (prefix-obj)
(when transient--stack
(let ((command (oref prefix-obj command)))
(when-let ((suffix-obj (transient-suffix-object command)))
(when-let* ((suffix-obj (transient-suffix-object command)))
(when (memq (if (slot-boundp suffix-obj 'transient)
(oref suffix-obj transient)
(oref transient-current-prefix transient-suffix))
@ -2827,7 +2827,7 @@ prefix argument and pivot to `transient-update'."
;; `this-command' is `transient-undefined' or `transient-inapt'.
;; Show the command (`this-original-command') the user actually
;; tried to invoke.
(if-let ((cmd (or (ignore-errors (symbol-name this-original-command))
(if-let* ((cmd (or (ignore-errors (symbol-name this-original-command))
(ignore-errors (symbol-name this-command)))))
(format " [%s]" (propertize cmd 'face 'font-lock-warning-face))
""))
@ -3125,7 +3125,7 @@ Otherwise call the primary method according to object's class."
(if (slot-boundp obj 'value)
(oref obj value)
(oset obj value
(if-let ((saved (assq (oref obj command) transient-values)))
(if-let* ((saved (assq (oref obj command) transient-values)))
(cdr saved)
(transient-default-value obj)))))
@ -3161,7 +3161,7 @@ Otherwise call the primary method according to object's class."
nil)
(cl-defmethod transient-default-value ((obj transient-prefix))
(if-let ((default (and (slot-boundp obj 'default-value)
(if-let* ((default (and (slot-boundp obj 'default-value)
(oref obj default-value))))
(if (functionp default)
(funcall default)
@ -3267,7 +3267,7 @@ it\", in which case it is pointless to preserve history.)"
The last value is \"don't use any of these switches\"."
(let ((choices (mapcar (apply-partially #'format (oref obj argument-format))
(oref obj choices))))
(if-let ((value (oref obj value)))
(if-let* ((value (oref obj value)))
(cadr (member value choices))
(car choices))))
@ -3275,7 +3275,7 @@ The last value is \"don't use any of these switches\"."
"Elsewhere use the reader of the infix command COMMAND.
Use this if you want to share an infix's history with a regular
stand-alone command."
(if-let ((obj (transient--suffix-prototype command)))
(if-let* ((obj (transient--suffix-prototype command)))
(cl-letf (((symbol-function #'transient--show) #'ignore))
(transient-infix-read obj))
(error "Not a suffix command: `%s'" command)))
@ -3351,7 +3351,7 @@ command-line option) or \": \".
Finally fall through to using \"(BUG: no prompt): \" as the
prompt."
(if-let ((prompt (oref obj prompt)))
(if-let* ((prompt (oref obj prompt)))
(let ((prompt (if (functionp prompt)
(funcall prompt obj)
prompt)))
@ -3644,7 +3644,7 @@ have a history of their own.")
(transient--insert-groups)
(when (or transient--helpp transient--editp)
(transient--insert-help))
(when-let ((line (transient--separator-line)))
(when-let* ((line (transient--separator-line)))
(insert line)))
(unless (window-live-p transient--window)
(setq transient--window
@ -3705,7 +3705,7 @@ have a history of their own.")
(cl-defmethod transient--insert-group :around ((group transient-group))
"Insert GROUP's description, if any."
(when-let ((desc (transient-with-shadowed-buffer
(when-let* ((desc (transient-with-shadowed-buffer
(transient-format-description group))))
(insert desc ?\n))
(let ((transient--max-group-level
@ -3839,7 +3839,7 @@ as a button."
"Format OBJ's `key' for display and return the result."
(let ((key (if (slot-boundp obj 'key) (oref obj key) ""))
(cmd (and (slot-boundp obj 'command) (oref obj command))))
(when-let ((width (oref transient--pending-group pad-keys)))
(when-let* ((width (oref transient--pending-group pad-keys)))
(setq key (truncate-string-to-width key width nil ?\s)))
(if transient--redisplay-key
(let ((len (length transient--redisplay-key))
@ -3937,7 +3937,7 @@ apply the face `transient-unreachable' to the complete string."
(funcall (oref transient--prefix suffix-description)
obj)))))
(if desc
(when-let ((face (transient--get-face obj 'face)))
(when-let* ((face (transient--get-face obj 'face)))
(setq desc (transient--add-face desc face t)))
(setq desc (propertize "(BUG: no description)" 'face 'error)))
(when (if transient--all-levels-p
@ -3946,7 +3946,7 @@ apply the face `transient-unreachable' to the complete string."
(> (max (oref obj level) transient--max-group-level)
transient--default-prefix-level)))
(setq desc (transient--add-face desc 'transient-higher-level)))
(when-let ((inapt-face (and (oref obj inapt)
(when-let* ((inapt-face (and (oref obj inapt)
(transient--get-face obj 'inapt-face))))
(setq desc (transient--add-face desc inapt-face)))
(when (and (slot-boundp obj 'key)
@ -3965,7 +3965,7 @@ apply the face `transient-unreachable' to the complete string."
(cl-defmethod transient-format-value ((obj transient-option))
(let ((argument (oref obj argument)))
(if-let ((value (oref obj value)))
(if-let* ((value (oref obj value)))
(pcase-exhaustive (oref obj multi-value)
('nil
(concat (propertize argument 'face 'transient-argument)
@ -4047,7 +4047,7 @@ apply the face `transient-unreachable' to the complete string."
(and val (not (integerp val)) val)))
(defun transient--maybe-pad-keys (group &optional parent)
(when-let ((pad (or (oref group pad-keys)
(when-let* ((pad (or (oref group pad-keys)
(and parent (oref parent pad-keys)))))
(oset group pad-keys
(apply #'max
@ -4098,7 +4098,7 @@ that, else its name.
Intended to be temporarily used as the `:suffix-description' of
a prefix command, while porting a regular keymap to a transient."
(let ((command (oref obj command)))
(if-let ((doc (documentation command)))
(if-let* ((doc (documentation command)))
(propertize (car (split-string doc "\n")) 'face 'font-lock-doc-face)
(propertize (symbol-name command) 'face 'font-lock-function-name-face))))
@ -4129,7 +4129,7 @@ prefix method."
'transient--prefix)))
(and prefix (not (eq (oref transient--prefix command) this-command))
(prog1 t (transient-show-help prefix)))))
((if-let ((show-help (oref obj show-help)))
((if-let* ((show-help (oref obj show-help)))
(funcall show-help obj)
(transient--describe-function this-command)))))
@ -4137,9 +4137,9 @@ prefix method."
"Call `show-help' if non-nil, else show the `man-page'
if non-nil, else use `describe-function'. When showing the
manpage, then try to jump to the correct location."
(if-let ((show-help (oref obj show-help)))
(if-let* ((show-help (oref obj show-help)))
(funcall show-help obj)
(if-let ((man-page (oref transient--prefix man-page))
(if-let* ((man-page (oref transient--prefix man-page))
(argument (and (slot-boundp obj 'argument)
(oref obj argument))))
(transient--show-manpage man-page argument)