| /* |
| * Copyright (c) 2014, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code 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 General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| package jdk.nashorn.internal.parser; |
| |
| import java.util.ArrayList; |
| import java.util.List; |
| import jdk.nashorn.internal.ir.Statement; |
| |
| /** |
| * Base class for parser context nodes |
| */ |
| abstract class ParserContextBaseNode implements ParserContextNode { |
| /** |
| * Flags for this node |
| */ |
| protected int flags; |
| |
| private List<Statement> statements; |
| |
| /** |
| * Constructor |
| */ |
| public ParserContextBaseNode() { |
| this.statements = new ArrayList<>(); |
| } |
| |
| /** |
| * @return The flags for this node |
| */ |
| @Override |
| public int getFlags() { |
| return flags; |
| } |
| |
| /** |
| * Returns a single flag |
| * @param flag flag |
| * @return A single flag |
| */ |
| protected int getFlag(final int flag) { |
| return (flags & flag); |
| } |
| |
| /** |
| * @param flag flag |
| * @return the new flags |
| */ |
| @Override |
| public int setFlag(final int flag) { |
| flags |= flag; |
| return flags; |
| } |
| |
| /** |
| * @return The list of statements that belongs to this node |
| */ |
| @Override |
| public List<Statement> getStatements() { |
| return statements; |
| } |
| |
| /** |
| * @param statements statements |
| */ |
| @Override |
| public void setStatements(final List<Statement> statements) { |
| this.statements = statements; |
| } |
| |
| /** |
| * Adds a statement at the end of the statement list |
| * @param statement The statement to add |
| */ |
| @Override |
| public void appendStatement(final Statement statement) { |
| this.statements.add(statement); |
| } |
| |
| /** |
| * Adds a statement at the beginning of the statement list |
| * @param statement The statement to add |
| */ |
| @Override |
| public void prependStatement(final Statement statement) { |
| this.statements.add(0, statement); |
| } |
| } |