Patch 8.2.4138
Problem: Vim9: no error for return with argument when the function does not
return anything.
Solution: Give an error for the invalid argument. (issue #9497)
Files: src/vim9cmds.c, src/testdir/test_vim9_func.vim
*** ../vim-8.2.4137/src/vim9cmds.c 2022-01-12 16:18:13.801613093 +0000
--- src/vim9cmds.c 2022-01-18 18:40:16.918034616 +0000
***************
*** 2196,2201 ****
--- 2196,2206 ----
if (*p != NUL && *p != '|' && *p != '\n')
{
+ if (cctx->ctx_ufunc->uf_ret_type->tt_type == VAR_VOID)
+ {
+ emsg(_(e_returning_value_in_function_without_return_type));
+ return NULL;
+ }
if (legacy)
{
int save_flags = cmdmod.cmod_flags;
***************
*** 2231,2243 ****
}
else
{
- if (cctx->ctx_ufunc->uf_ret_type->tt_type == VAR_VOID
- && stack_type->tt_type != VAR_VOID
- && stack_type->tt_type != VAR_UNKNOWN)
- {
- emsg(_(e_returning_value_in_function_without_return_type));
- return NULL;
- }
if (need_type(stack_type, cctx->ctx_ufunc->uf_ret_type, -1,
0, cctx, FALSE, FALSE) == FAIL)
return NULL;
--- 2236,2241 ----
*** ../vim-8.2.4137/src/testdir/test_vim9_func.vim 2022-01-08
15:39:35.414385257 +0000
--- src/testdir/test_vim9_func.vim 2022-01-18 18:44:53.925870638 +0000
***************
*** 341,346 ****
--- 341,360 ----
ReturnString()->assert_equal('string')
ReturnNumber()->assert_equal(123)
assert_fails('ReturnGlobal()', 'E1012: Type mismatch; expected number but
got string', '', 1, 'ReturnGlobal')
+
+ var lines =<< trim END
+ vim9script
+
+ def Msg()
+ echomsg 'in Msg()...'
+ enddef
+
+ def Func()
+ return Msg()
+ enddef
+ defcompile
+ END
+ CheckScriptFailure(lines, 'E1096:')
enddef
def Test_check_argument_type()
*** ../vim-8.2.4137/src/version.c 2022-01-18 17:43:01.061598437 +0000
--- src/version.c 2022-01-18 18:42:07.873970588 +0000
***************
*** 752,753 ****
--- 752,755 ----
{ /* Add new patch number below this line */
+ /**/
+ 4138,
/**/
--
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BLACK KNIGHT: I move for no man.
The Quest for the Holy Grail (Monty Python)
/// Bram Moolenaar -- [email protected] -- http://www.Moolenaar.net \\\
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