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patch 8.2.4138: Vim9: no error for return with argument when invalid

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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)
This commit is contained in:
Bram Moolenaar
2022-01-18 18:46:07 +00:00
parent d02dce2bb5
commit ef7aadbe36
3 changed files with 21 additions and 7 deletions
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12
src/vim9cmds.c
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@@ -2196,6 +2196,11 @@ compile_return(char_u *arg, int check_return_type, int legacy, cctx_T *cctx)
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;
@@ -2231,13 +2236,6 @@ compile_return(char_u *arg, int check_return_type, int legacy, cctx_T *cctx)
}
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;