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/*
* Copyright (C) 2007-2010 Júlio Vilmar Gesser.
* Copyright (C) 2011, 2013-2016 The JavaParser Team.
*
* This file is part of JavaParser.
*
* JavaParser can be used either under the terms of
* a) the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
* b) the terms of the Apache License
*
* You should have received a copy of both licenses in LICENCE.LGPL and
* LICENCE.APACHE. Please refer to those files for details.
*
* JavaParser is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Lesser General Public License for more details.
*/
package com.github.javaparser.ast.visitor;
import com.github.javaparser.ast.Node;
/**
* Iterate over all the nodes in (a part of) the AST.
*/
public abstract class TreeVisitor {
/**
* https://en.wikipedia.org/wiki/Depth-first_search
*
* @param node the start node, and the first one that is passed to process(node).
*/
public void visitDepthFirst(Node node) {
process(node);
for (Node child : node.getChildrenNodes()) {
visitDepthFirst(child);
}
}
public abstract void process(Node node);
}
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