commit 8bb65f230d3025037f34021a72616038da0601ee
author Yegappan Lakshmanan <yegappan@yahoo.com> Sun Dec 26 10:51:39 2021 +0000
committer Bram Moolenaar <Bram@vim.org> Sun Dec 26 10:51:39 2021 +0000
tree 1edaf57b7fbe5e3c30a174026f5389f8b98b7376
parent ec86520f946a40d5c4a92d6a11d6928faa13abd4

patch 8.2.3900: it is not easy to use a script-local function for an option

Problem:    It is not easy to use a script-local function for an option.
Solution:   recognize s: and <SID> at the start of the expression. (Yegappan
            Lakshmanan, closes #9401)

src/testdir/test_gui.vim

diff --git a/src/testdir/test_gui.vim b/src/testdir/test_gui.vim
index 133298d..9055284 100644
--- a/src/testdir/test_gui.vim
+++ b/src/testdir/test_gui.vim
@@ -258,6 +258,15 @@
   setl balloonexpr&
   call assert_equal('', &balloonexpr)
   delfunc MyBalloonExpr
+
+  " Using a script-local function
+  func s:NewBalloonExpr()
+  endfunc
+  set balloonexpr=s:NewBalloonExpr()
+  call assert_equal(expand('<SID>') .. 'NewBalloonExpr()', &balloonexpr)
+  set balloonexpr=<SID>NewBalloonExpr()
+  call assert_equal(expand('<SID>') .. 'NewBalloonExpr()', &balloonexpr)
+  delfunc s:NewBalloonExpr
   bwipe!
 
   " Multiline support