Mercurial > vim
diff src/testdir/test_tagfunc.vim @ 26268:3aa48d4e3dc8 v8.2.3665
patch 8.2.3665: cannot use a lambda for 'tagfunc'
Commit: https://github.com/vim/vim/commit/19916a8c8920b6a1fd737ffa6d4e363fc7a96319
Author: Yegappan Lakshmanan <yegappan@yahoo.com>
Date: Wed Nov 24 16:32:55 2021 +0000
patch 8.2.3665: cannot use a lambda for 'tagfunc'
Problem: Cannot use a lambda for 'tagfunc'.
Solution: Use 'tagfunc' like 'opfunc'. (Yegappan Lakshmanan, closes https://github.com/vim/vim/issues/9204)
| author | Bram Moolenaar <Bram@vim.org> |
|---|---|
| date | Wed, 24 Nov 2021 17:45:03 +0100 |
| parents | 4902263c302e |
| children | dbe615b75f15 |
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--- a/src/testdir/test_tagfunc.vim +++ b/src/testdir/test_tagfunc.vim @@ -117,4 +117,54 @@ func Test_tagfunc_settagstack() delfunc Mytagfunc2 endfunc +" Test for different ways of setting the 'tagfunc' option +func Test_tagfunc_callback() + " Test for using a function() + func MytagFunc1(pat, flags, info) + let g:MytagFunc1_args = [a:pat, a:flags, a:info] + return v:null + endfunc + let g:MytagFunc1_args = [] + set tagfunc=function('MytagFunc1') + call assert_fails('tag abc', 'E433:') + call assert_equal(['abc', '', {}], g:MytagFunc1_args) + + " Test for using a funcref() + new + func MytagFunc2(pat, flags, info) + let g:MytagFunc2_args = [a:pat, a:flags, a:info] + return v:null + endfunc + let g:MytagFunc2_args = [] + set tagfunc=funcref('MytagFunc2') + call assert_fails('tag def', 'E433:') + call assert_equal(['def', '', {}], g:MytagFunc2_args) + + " Test for using a lambda function + new + func MytagFunc3(pat, flags, info) + let g:MytagFunc3_args = [a:pat, a:flags, a:info] + return v:null + endfunc + let g:MytagFunc3_args = [] + let &tagfunc= '{a, b, c -> MytagFunc3(a, b, c)}' + call assert_fails('tag ghi', 'E433:') + call assert_equal(['ghi', '', {}], g:MytagFunc3_args) + + " Test for clearing the 'tagfunc' option + set tagfunc='' + set tagfunc& + + call assert_fails("set tagfunc=function('abc')", "E700:") + call assert_fails("set tagfunc=funcref('abc')", "E700:") + let &tagfunc = "{a -> 'abc'}" + call assert_fails("echo taglist('a')", "E987:") + + " cleanup + delfunc MytagFunc1 + delfunc MytagFunc2 + delfunc MytagFunc3 + %bw! +endfunc + " vim: shiftwidth=2 sts=2 expandtab