diff options
Diffstat (limited to 'lisp/emacs-lisp/find-func.el')
| -rw-r--r-- | lisp/emacs-lisp/find-func.el | 65 |
1 files changed, 38 insertions, 27 deletions
diff --git a/lisp/emacs-lisp/find-func.el b/lisp/emacs-lisp/find-func.el index 9d1e43b0fe8..142c99edd43 100644 --- a/lisp/emacs-lisp/find-func.el +++ b/lisp/emacs-lisp/find-func.el @@ -3,7 +3,6 @@ ;; Copyright (C) 1997, 1999, 2001-2019 Free Software Foundation, Inc. ;; Author: Jens Petersen <petersen@kurims.kyoto-u.ac.jp> -;; Maintainer: petersen@kurims.kyoto-u.ac.jp ;; Keywords: emacs-lisp, functions, variables ;; Created: 97/07/25 @@ -286,10 +285,19 @@ Interactively, prompt for LIBRARY using the one at or near point." A library name is the filename of an Emacs Lisp library located in a directory under `load-path' (or `find-function-source-path', if non-nil)." - (let* ((dirs (or find-function-source-path load-path)) - (suffixes (find-library-suffixes)) - (table (apply-partially 'locate-file-completion-table - dirs suffixes)) + (let* ((suffix-regexp (mapconcat + (lambda (suffix) + (concat (regexp-quote suffix) "\\'")) + (find-library-suffixes) + "\\|")) + (table (cl-loop for dir in (or find-function-source-path load-path) + when (file-readable-p dir) + append (mapcar + (lambda (file) + (replace-regexp-in-string suffix-regexp + "" file)) + (directory-files dir nil + suffix-regexp)))) (def (if (eq (function-called-at-point) 'require) ;; `function-called-at-point' may return 'require ;; with `point' anywhere on this line. So wrap the @@ -368,28 +376,30 @@ The search is done in the source for library LIBRARY." (concat "\\\\?" (regexp-quote (symbol-name symbol)))))) (case-fold-search)) - (with-syntax-table emacs-lisp-mode-syntax-table - (goto-char (point-min)) - (if (if (functionp regexp) - (funcall regexp symbol) - (or (re-search-forward regexp nil t) - ;; `regexp' matches definitions using known forms like - ;; `defun', or `defvar'. But some functions/variables - ;; are defined using special macros (or functions), so - ;; if `regexp' can't find the definition, we look for - ;; something of the form "(SOMETHING <symbol> ...)". - ;; This fails to distinguish function definitions from - ;; variable declarations (or even uses thereof), but is - ;; a good pragmatic fallback. - (re-search-forward - (concat "^([^ ]+" find-function-space-re "['(]?" - (regexp-quote (symbol-name symbol)) - "\\_>") - nil t))) - (progn - (beginning-of-line) - (cons (current-buffer) (point))) - (cons (current-buffer) nil)))))))) + (save-restriction + (widen) + (with-syntax-table emacs-lisp-mode-syntax-table + (goto-char (point-min)) + (if (if (functionp regexp) + (funcall regexp symbol) + (or (re-search-forward regexp nil t) + ;; `regexp' matches definitions using known forms like + ;; `defun', or `defvar'. But some functions/variables + ;; are defined using special macros (or functions), so + ;; if `regexp' can't find the definition, we look for + ;; something of the form "(SOMETHING <symbol> ...)". + ;; This fails to distinguish function definitions from + ;; variable declarations (or even uses thereof), but is + ;; a good pragmatic fallback. + (re-search-forward + (concat "^([^ ]+" find-function-space-re "['(]?" + (regexp-quote (symbol-name symbol)) + "\\_>") + nil t))) + (progn + (beginning-of-line) + (cons (current-buffer) (point))) + (cons (current-buffer) nil))))))))) (defun find-function-library (function &optional lisp-only verbose) "Return the pair (ORIG-FUNCTION . LIBRARY) for FUNCTION. @@ -464,6 +474,7 @@ If TYPE is nil, defaults using `function-called-at-point', otherwise uses `variable-at-point'." (let* ((symb1 (cond ((null type) (function-called-at-point)) ((eq type 'defvar) (variable-at-point)) + ((eq type 'defface) (face-at-point t)) (t (variable-at-point t)))) (symb (unless (eq symb1 0) symb1)) (predicate (cdr (assq type '((nil . fboundp) |