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xref-find-definitions: Exclude more generic function items.

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* lisp/emacs-lisp/cl-generic.el (cl--generic-search-method): Add doc string.
(cl--generic-find-defgeneric-regexp): New.
(find-function-regexp-alist): Add it.

* lisp/emacs-lisp/find-func.el (find-feature-regexp): Move here from
elisp-mode.el, change to search for ";;; Code:"
(find-alias-regexp): Move here from elisp-mode.el, cleaned up.
(find-function-regexp-alist): Add them.

* lisp/progmodes/elisp-mode.el:
(elisp--xref-format, elisp--xref-format-extra): Change back to defvar due
to bug#21237.
(elisp--xref-find-definitions): Exclude co-located default methods for
generic functions. Also exclude implicitly declared defgeneric.
(elisp--xref-find-definitions): Handle C source properly. Exclude minor
mode variables defined by 'define-minor-mode'.

* test/automated/elisp-mode-tests.el: Declare generic functions, add
tests for them.
(xref-elisp-test-run): Fix bug.
(emacs-test-dir): Improve initial value.
(find-defs-defun-defvar-el): Don't expect defvar.
(find-defs-feature-el): Match change to find-feature-regexp.
This commit is contained in:
Stephen Leake 2015-08-13 12:54:39 -05:00
parent 9c13a81a9e
commit 0382fd42c6
4 changed files with 264 additions and 55 deletions
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8
lisp/emacs-lisp/cl-generic.el
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@ -791,6 +791,8 @@ Can only be used from within the lexical body of a primary or around method."
;;; Add support for describe-function
(defun cl--generic-search-method (met-name)
"For `find-function-regexp-alist'. Searches for a cl-defmethod.
MET-NAME is a cons (SYMBOL . SPECIALIZERS)."
(let ((base-re (concat "(\\(?:cl-\\)?defmethod[ \t]+"
(regexp-quote (format "%s" (car met-name)))
"\\_>")))
@ -806,11 +808,15 @@ Can only be used from within the lexical body of a primary or around method."
nil t)
(re-search-forward base-re nil t))))
;; WORKAROUND: This can't be a defconst due to bug#21237.
(defvar cl--generic-find-defgeneric-regexp "(\\(?:cl-\\)?defgeneric[ \t]+%s\\>")
(with-eval-after-load 'find-func
(defvar find-function-regexp-alist)
(add-to-list 'find-function-regexp-alist
`(cl-defmethod . ,#'cl--generic-search-method)))
`(cl-defmethod . ,#'cl--generic-search-method))
(add-to-list 'find-function-regexp-alist
`(cl-defgeneric . cl--generic-find-defgeneric-regexp)))
(defun cl--generic-method-info (method)
(let* ((specializers (cl--generic-method-specializers method))