external plugins can now request for dependencies

bind-expr-functions.go

@@ -42,3 +42,17 @@ func (functor *exprFunctor) Invoke(ctx ExprContext, name string, args []any) (re
 	result, err = functor.expr.Eval(ctx)
 	return
 }
+
+func CallExprFunction(parentCtx ExprContext, funcName string, params ...any) (v any, err error) {
+	ctx := cloneContext(parentCtx)
+	ctx.SetParent(parentCtx)
+
+	if err == nil {
+		if err = checkFunctionCall(ctx, funcName, &params); err == nil {
+			if v, err = ctx.Call(funcName, params); err == nil {
+				exportObjects(parentCtx, ctx)
+			}
+		}
+	}
+	return
+}