patch 8.2.0973: Vim9: type is not checked when assigning to a script variable
Problem: Vim9: type is not checked when assigning to a script variable.
Solution: Check the type.
diff --git a/src/vim9script.c b/src/vim9script.c
index 51afa19..13a29ec 100644
--- a/src/vim9script.c
+++ b/src/vim9script.c
@@ -488,5 +488,30 @@
return p;
}
+/*
+ * Check if the type of script variable "dest" allows assigning "value".
+ */
+ void
+check_script_var_type(typval_T *dest, typval_T *value, char_u *name)
+{
+ scriptitem_T *si = SCRIPT_ITEM(current_sctx.sc_sid);
+ int idx;
+
+ // Find the svar_T in sn_var_vals.
+ for (idx = 0; idx < si->sn_var_vals.ga_len; ++idx)
+ {
+ svar_T *sv = ((svar_T *)si->sn_var_vals.ga_data) + idx;
+
+ if (sv->sv_tv == dest)
+ {
+ if (sv->sv_const)
+ semsg(_(e_readonlyvar), name);
+ else
+ check_type(sv->sv_type, typval2type(value), TRUE);
+ return;
+ }
+ }
+ iemsg("check_script_var_type(): not found");
+}
#endif // FEAT_EVAL