patch 8.2.3237: when a builtin function gives an error processing continues
Problem: When a builtin function gives an error processing continues.
Solution: In Vim9 script return FAIL in get_func_tv().
diff --git a/src/userfunc.c b/src/userfunc.c
index e008718..2adef7c 100644
--- a/src/userfunc.c
+++ b/src/userfunc.c
@@ -1674,7 +1674,8 @@
if (ret == OK)
{
- int i = 0;
+ int i = 0;
+ int did_emsg_before = did_emsg;
if (get_vim_var_nr(VV_TESTING))
{
@@ -1689,6 +1690,10 @@
}
ret = call_func(name, len, rettv, argcount, argvars, funcexe);
+ if (in_vim9script() && did_emsg > did_emsg_before)
+ // An error in a builtin function does not return FAIL, but we do
+ // want to abort further processing if an error was given.
+ ret = FAIL;
funcargs.ga_len -= i;
}