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patch 8.2.2445: Vim9: no proper error for lambda missing return type

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Problem:    Vim9: no proper error for lambda missing return type.
Solution:   Check for this error. (closes #7758)
This commit is contained in:
Bram Moolenaar
2021-01-31 22:18:29 +01:00
parent e507ff15d5
commit 0346b799fc
4 changed files with 18 additions and 1 deletions
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8
src/userfunc.c
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@@ -491,6 +491,11 @@ skip_arrow(
s = skipwhite(s + 1);
*ret_type = s;
s = skip_type(s, TRUE);
if (s == *ret_type)
{
emsg(_(e_missing_return_type));
return NULL;
}
}
bef = s;
s = skipwhite(s);
@@ -543,6 +548,7 @@ get_lambda_tv(
char_u *tofree2 = NULL;
int equal_arrow = **arg == '(';
int white_error = FALSE;
int called_emsg_start = called_emsg;
if (equal_arrow && !in_vim9script())
return NOTDONE;
@@ -560,7 +566,7 @@ get_lambda_tv(
{
if (types_optional)
ga_clear_strings(&argtypes);
return NOTDONE;
return called_emsg == called_emsg_start ? NOTDONE : FAIL;
}
// Parse the arguments for real.