/** * Copyright 2017 Matt Acosta * * Licensed under the Apache License, Version 2.0 (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ /** * Defines an interface for tree-like objects that are rooted by a parent. */ export interface ISyntaxTreeTraversable { /** * Determines if the current position in the tree is a token (i.e. a leaf). */ readonly isToken: boolean; /** * The parent node of this object. */ readonly parent: T | null; }