Andreas Röhler <andreas.roehler@easy-emacs.de> writes:
With
(defun foo ())
at first open paren
M-: (thing-at-point 'list t) RET
returns the whole thing, right.
But at second open paren returns the whole function too - where it
should return the empty arg-list
Following patch do the right thing in my example and your example.
Feel free to check it with some other examples that you may have:
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
From dc2703a43a7b5dae60f7e88805971472253d4600 Mon Sep 17 00:00:00 2001
From: Tino Calancha <tino.calancha@gmail.com>
Date: Wed, 12 Oct 2016 01:16:52 +0900
Subject: [PATCH] (thing-at-point 'list) return nil if no list at point
* lisp/thingatpt.el (thing-at-point-bounds-of-list-at-point):
Check first if we are at the beginning of a top-level sexp (Bug#24627).
Escape '[' and ']' in doc string.
---
lisp/thingatpt.el | 22 +++++++++-------------
1 file changed, 9 insertions(+), 13 deletions(-)
diff --git a/lisp/thingatpt.el b/lisp/thingatpt.el
index 6d1014b..acacff2 100644
--- a/lisp/thingatpt.el
+++ b/lisp/thingatpt.el
@@ -219,22 +219,18 @@ 'beginning-of-sexp
(defun thing-at-point-bounds-of-list-at-point ()
"Return the bounds of the list at point.
-[Internal function used by `bounds-of-thing-at-point'.]"
+\[Internal function used by `bounds-of-thing-at-point'.\]"
(save-excursion
(let ((opoint (point))
- (beg (ignore-errors
- (up-list -1)
- (point))))
+ (beg (if (looking-at-p "(")
+ (point)
+ (ignore-errors
+ (up-list -1)
+ (point)))))
(ignore-errors
- (if beg
- (progn (forward-sexp)
- (cons beg (point)))
- ;; Are we are at the beginning of a top-level sexp?
- (forward-sexp)
- (let ((end (point)))
- (backward-sexp)
- (if (>= opoint (point))
- (cons opoint end))))))))
+ (when beg
+ (forward-sexp)
+ (cons beg (point)))))))
;; Defuns