1 files changed, 12 insertions, 0 deletions
diff --git a/src/expression.c b/src/expression.c
index 6fa2f1dd..a7bbde7e 100644
--- a/src/expression.c
+++ b/src/expression.c
@@ -1222,3 +1222,15 @@ const struct expr_ops *expr_ops(const struct expr *e)
 
 	BUG("Unknown expression type %d\n", e->etype);
 }
+
+const struct expr_ops *expr_ops_by_type(enum expr_types etype)
+{
+	switch (etype) {
+	case EXPR_PAYLOAD:
+		return &payload_expr_ops;
+	default:
+		break;
+	}
+
+	BUG("Unknown expression type %d\n", etype);
+}