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tools/lookup: add prefix arg to lookup commands

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The prefix arg causes +lookup/{definition,references,documentation} to
prompt you for which lookup backend to use.
This commit is contained in:
Henrik Lissner 2019-05-16 00:37:27 -04:00
parent 1f88efeb82
commit ae8aa26c33
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GPG key ID: 5F6C0EA160557395
1 changed files with 28 additions and 19 deletions
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43
modules/tools/lookup/autoload/lookup.el
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@ -122,18 +122,24 @@ This can be passed nil as its second argument to unset handlers for MODES. e.g.
(message "Lookup handler %S: %s" handler e)
nil)))
(defun +lookup--jump-to (prop identifier &optional display-fn)
(defun +lookup--jump-to (prop identifier &optional display-fn arg)
(let* ((origin (point-marker))
(result
(run-hook-wrapped
(plist-get (list :definition '+lookup-definition-functions
(handlers (plist-get (list :definition '+lookup-definition-functions
:references '+lookup-references-functions
:documentation '+lookup-documentation-functions
:file '+lookup-file-functions)
prop)
#'+lookup--run-handlers
identifier
origin)))
prop))
(result
(if arg
(if-let*
((handler (intern-soft
(completing-read "Select lookup handler: "
(remq t (append (symbol-value handlers)
(default-value handlers)))
nil t))))
(+lookup--run-handlers handler identifier origin)
(user-error "No lookup handler selected"))
(run-hook-wrapped handlers #'+lookup--run-handlers identifier origin))))
(when (cond ((null result)
(message "No lookup handler could find %S" identifier)
nil)
@ -225,39 +231,42 @@ current buffer."
;;; Main commands
;;;###autoload
(defun +lookup/definition (identifier)
(defun +lookup/definition (identifier &optional arg)
"Jump to the definition of IDENTIFIER (defaults to the symbol at point).
Each function in `+lookup-definition-functions' is tried until one changes the
point or current buffer. Falls back to dumb-jump, naive
ripgrep/the_silver_searcher text search, then `evil-goto-definition' if
evil-mode is active."
(interactive (list (+lookup-symbol-or-region)))
(interactive (list (+lookup-symbol-or-region)
current-prefix-arg))
(cond ((null identifier) (user-error "Nothing under point"))
((+lookup--jump-to :definition identifier))
((+lookup--jump-to :definition identifier nil arg))
((error "Couldn't find the definition of %S" identifier))))
;;;###autoload
(defun +lookup/references (identifier)
(defun +lookup/references (identifier &optional arg)
"Show a list of usages of IDENTIFIER (defaults to the symbol at point)
Tries each function in `+lookup-references-functions' until one changes the
point and/or current buffer. Falls back to a naive ripgrep/the_silver_searcher
search otherwise."
(interactive (list (+lookup-symbol-or-region)))
(interactive (list (+lookup-symbol-or-region)
current-prefix-arg))
(cond ((null identifier) (user-error "Nothing under point"))
((+lookup--jump-to :references identifier))
((+lookup--jump-to :references identifier nil arg))
((error "Couldn't find references of %S" identifier))))
;;;###autoload
(defun +lookup/documentation (identifier)
(defun +lookup/documentation (identifier &optional arg)
"Show documentation for IDENTIFIER (defaults to symbol at point or selection.
First attempts the :documentation handler specified with `set-lookup-handlers!'
for the current mode/buffer (if any), then falls back to the backends in
`+lookup-documentation-functions'."
(interactive (list (+lookup-symbol-or-region)))
(cond ((+lookup--jump-to :documentation identifier #'pop-to-buffer))
(interactive (list (+lookup-symbol-or-region)
current-prefix-arg))
(cond ((+lookup--jump-to :documentation identifier #'pop-to-buffer arg))
((user-error "Couldn't find documentation for %S" identifier))))
(defvar ffap-file-finder)