Patch 8.2.4168

[Bram Moolenaar]

Patch 8.2.4168 (after 8.2.4163)
Problem: Disallowing empty function name breaks existing plugins.
Solution: Allow empty function name in legacy script.
Files: src/userfunc.c, src/testdir/test_autoload.vim,
src/testdir/sautest/autoload/foo.vim


*** ../vim-8.2.4167/src/userfunc.c 2022-01-20 19:56:45.551663706 +0000
--- src/userfunc.c 2022-01-21 10:23:47.162218934 +0000
***************
*** 3693,3700 ****
// Note that TFN_ flags use the same values as GLV_ flags.
end = get_lval(start, NULL, &lv, FALSE, skip, flags | GLV_READ_ONLY,
lead > 2 ? 0 : FNE_CHECK_START);
! if (end == start
! || (end != NULL && end[-1] == AUTOLOAD_CHAR && *end == '('))
{
if (!skip)
emsg(_(e_function_name_required));
--- 3693,3700 ----
// Note that TFN_ flags use the same values as GLV_ flags.
end = get_lval(start, NULL, &lv, FALSE, skip, flags | GLV_READ_ONLY,
lead > 2 ? 0 : FNE_CHECK_START);
! if (end == start || (in_vim9script() && end != NULL
! && end[-1] == AUTOLOAD_CHAR && *end == '('))
{
if (!skip)
emsg(_(e_function_name_required));
*** ../vim-8.2.4167/src/testdir/test_autoload.vim 2020-08-12 17:50:31.871655841 +0100
--- src/testdir/test_autoload.vim 2022-01-21 10:30:10.854377174 +0000
***************
*** 10,15 ****
--- 10,18 ----
call assert_equal(1, g:called_foo_bar_echo)

eval 'bar'->g:foo#addFoo()->assert_equal('barfoo')
+
+ " empty name works in legacy script
+ call assert_equal('empty', foo#())
endfunc

func Test_source_autoload()
***************
*** 23,26 ****
--- 26,30 ----
call assert_equal(49, auto9#add42(7))
endfunc

+
" vim: shiftwidth=2 sts=2 expandtab
*** ../vim-8.2.4167/src/testdir/sautest/autoload/foo.vim 2019-08-04 21:44:34.000000000 +0100
--- src/testdir/sautest/autoload/foo.vim 2022-01-21 10:25:56.847483083 +0000
***************
*** 9,11 ****
--- 9,15 ----
func foo#addFoo(head)
return a:head .. 'foo'
endfunc
+
+ func foo#()
+ return 'empty'
+ endfunc
*** ../vim-8.2.4167/src/version.c 2022-01-20 21:32:50.331303977 +0000
--- src/version.c 2022-01-21 10:24:39.973105038 +0000
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 4168,
/**/

--
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TIM: There he is!
[They all turn, and see a large white RABBIT lollop a few yards out of the
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"Monty Python and the Holy Grail" PYTHON (MONTY) PICTURES LTD

/// Bram Moolenaar -- Br...@Moolenaar.net -- http://www.Moolenaar.net \\\
/// \\\
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