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Merge pull request #20467 from zeertzjq/vim-8.2.2316

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vim-patch:8.2.2316: Vim9: cannot list a lambda function
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zeertzjq 2022-10-04 07:54:42 +08:00 committed by GitHub
commit a93ff5fc69
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2 changed files with 22 additions and 1 deletions
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9
src/nvim/eval/userfunc.c
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@ -1983,7 +1983,14 @@ void ex_function(exarg_T *eap)
// s:func script-local function name
// g:func global function name, same as "func"
p = eap->arg;
name = (char *)trans_function_name(&p, eap->skip, TFN_NO_AUTOLOAD, &fudi, NULL);
if (strncmp(p, "<lambda>", 8) == 0) {
p += 8;
(void)getdigits(&p, false, 0);
name = xstrndup(eap->arg, (size_t)(p - eap->arg));
CLEAR_FIELD(fudi);
} else {
name = (char *)trans_function_name(&p, eap->skip, TFN_NO_AUTOLOAD, &fudi, NULL);
}
paren = (vim_strchr(p, '(') != NULL);
if (name == NULL && (fudi.fd_dict == NULL || !paren) && !eap->skip) {
// Return on an invalid expression in braces, unless the expression

14
test/functional/vimscript/eval_spec.lua
View File

@ -17,6 +17,7 @@ local clear = helpers.clear
local eq = helpers.eq
local exc_exec = helpers.exc_exec
local exec = helpers.exec
local exec_capture = helpers.exec_capture
local eval = helpers.eval
local command = helpers.command
local write_file = helpers.write_file
@ -247,3 +248,16 @@ describe("uncaught exception", function()
eq('123', eval('result'))
end)
end)
describe('lambda function', function()
before_each(clear)
it('can be shown using :function followed by <lambda> #20466', function()
command('let A = {-> 1}')
local num = exec_capture('echo A'):match("function%('<lambda>(%d+)'%)")
eq(([[
function <lambda>%s(...)
1 return 1
endfunction]]):format(num), exec_capture(('function <lambda>%s'):format(num)))
end)
end)