| /*=============================================================================# |
| # Copyright (c) 2007, 2019 Stephan Wahlbrink and others. |
| # |
| # This program and the accompanying materials are made available under the |
| # terms of the Eclipse Public License 2.0 which is available at |
| # https://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 |
| # which is available at https://www.apache.org/licenses/LICENSE-2.0. |
| # |
| # SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 |
| # |
| # Contributors: |
| # Stephan Wahlbrink <sw@wahlbrink.eu> - initial API and implementation |
| #=============================================================================*/ |
| |
| package org.eclipse.statet.ltk.ast.core; |
| |
| import java.lang.reflect.InvocationTargetException; |
| |
| import org.eclipse.statet.jcommons.lang.NonNullByDefault; |
| |
| |
| /** |
| * Visitor for AST of {@link AstNode}s. |
| * <p> |
| * A visitor can visit an AST (or a subtree of an AST) by calling |
| * {@link AstNode#accept(AstVisitor)} or {@link AstNode#acceptInChildren(AstVisitor)}. |
| * It can be used independent of the language (often a language specific visitor pattern is offered |
| * too).</p> |
| */ |
| @NonNullByDefault |
| public interface AstVisitor { |
| |
| |
| void visit(final AstNode node) throws InvocationTargetException; |
| |
| } |