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patch 8.2.1131: Vim9: error message for returning a value is not clear

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Problem:    Vim9: error message for returning a value in a function that does
            not return anything is not clear.
Solution:   Add a specific message.
This commit is contained in:
Bram Moolenaar
2020-07-05 15:52:19 +02:00
parent 788123c00c
commit 05a5551a86
3 changed files with 16 additions and 4 deletions
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12
src/vim9compile.c
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@@ -4568,9 +4568,19 @@ compile_return(char_u *arg, int set_return_type, cctx_T *cctx)
stack_type = ((type_T **)stack->ga_data)[stack->ga_len - 1];
if (set_return_type)
cctx->ctx_ufunc->uf_ret_type = stack_type;
else if (need_type(stack_type, cctx->ctx_ufunc->uf_ret_type, -1, 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(_("E1096: Returning a value in a function without a return type"));
return NULL;
}
if (need_type(stack_type, cctx->ctx_ufunc->uf_ret_type, -1, cctx)
== FAIL)
return NULL;
}
}
else
{