1 files changed, 44 insertions, 0 deletions
diff --git a/javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_new_src/javaparser-core/com/github/javaparser/ast/visitor/TreeVisitor.java b/javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_new_src/javaparser-core/com/github/javaparser/ast/visitor/TreeVisitor.java
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+++ b/javaparser-symbol-solver-testing/src/test/test_sourcecode/javaparser_new_src/javaparser-core/com/github/javaparser/ast/visitor/TreeVisitor.java
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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);
+}