patch 8.2.1308: Vim9: accidentally using "x" causes Vim to exit
Problem: Vim9: accidentally using "x" causes Vim to exit.
Solution: Disallow using ":x" or "xit" in Vim9 script. (closes #6399)
diff --git a/src/vim9script.c b/src/vim9script.c
index 784283e..7d783ea 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -59,12 +59,29 @@
}
/*
+ * When in Vim9 script give an error and return FAIL.
+ */
+ int
+not_in_vim9(exarg_T *eap)
+{
+ switch (eap->cmdidx)
+ {
+ case CMD_insert:
+ case CMD_append:
+ case CMD_change:
+ case CMD_xit:
+ semsg(_("E1100: Missing :let: %s"), eap->cmd);
+ return FAIL;
+ default: break;
+ }
+ return OK;
+}
+
+/*
* ":export let Name: type"
* ":export const Name: type"
* ":export def Name(..."
* ":export class Name ..."
- *
- * ":export {Name, ...}"
*/
void
ex_export(exarg_T *eap)