is FunctionCall -> functionCallResolver.doResolveFunctionCall(context, expr)
            is Literal<*> -> literalObjectOrigin(expr)
            is Null -> ObjectOrigin.NullObjectOrigin(expr)
            is This -> currentScopes.last().receiver
        }
    }

    private
    fun <T : Any> literalObjectOrigin(literalExpr: Literal<T>): ObjectOrigin =
        ObjectOrigin.ConstantOrigin(literalExpr)