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Make xref-find-definitions more customizable

* lisp/progmodes/xref.el (xref--show-defs-buffer): New function.
Move a bit of logic from xref--show-defs to make it more
customizable.
(xref--push-markers): New function, extracted from
xref--show-xrefs.
(xref-show-definitions-function): Set to the new function.
This commit is contained in:
Dmitry Gutov 2019-05-23 01:30:50 +03:00
parent 49a363c875
commit 1cadab78e2

View File

@ -792,11 +792,19 @@ Return an alist of the form ((FILENAME . (XREF ...)) ...)."
xref--original-window-intent (assoc-default 'display-action alist))
(current-buffer)))))
(defun xref--show-defs-buffer (xrefs alist)
(cond
((not (cdr xrefs))
(xref--pop-to-location (car xrefs)
(assoc-default 'display-action alist)))
(t
(xref--show-xref-buffer xrefs alist))))
(defvar xref-show-xrefs-function 'xref--show-xref-buffer
"Function to display a list of search results.")
(defvar xref-show-definitions-function 'xref--show-xref-buffer
(defvar xref-show-definitions-function 'xref--show-defs-buffer
"Function to display a list of definitions.")
(defvar xref--read-identifier-history nil)
@ -804,22 +812,20 @@ Return an alist of the form ((FILENAME . (XREF ...)) ...)."
(defvar xref--read-pattern-history nil)
(defun xref--show-xrefs (xrefs display-action)
(unless (region-active-p) (push-mark nil t))
(xref-push-marker-stack)
(xref--push-markers)
(funcall xref-show-xrefs-function xrefs
`((window . ,(selected-window))
(display-action . ,display-action))))
(defun xref--show-defs (xrefs display-action)
(xref--push-markers)
(funcall xref-show-definitions-function xrefs
`((window . ,(selected-window))
(display-action . ,display-action))))
(defun xref--push-markers ()
(unless (region-active-p) (push-mark nil t))
(xref-push-marker-stack)
(cond
((not (cdr xrefs))
(xref--pop-to-location (car xrefs) display-action))
(t
(funcall xref-show-definitions-function xrefs
`((window . ,(selected-window))
(display-action . ,display-action))))))
(xref-push-marker-stack))
(defun xref--prompt-p (command)
(or (eq xref-prompt-for-identifier t)