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1   /*
2    * Copyright (c) 2010, 2013, Oracle and/or its affiliates. All rights reserved.
3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4    *
5    * This code is free software; you can redistribute it and/or modify it
6    * under the terms of the GNU General Public License version 2 only, as
7    * published by the Free Software Foundation.  Oracle designates this
8    * particular file as subject to the "Classpath" exception as provided
9    * by Oracle in the LICENSE file that accompanied this code.
10   *
11   * This code is distributed in the hope that it will be useful, but WITHOUT
12   * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13   * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
14   * version 2 for more details (a copy is included in the LICENSE file that
15   * accompanied this code).
16   *
17   * You should have received a copy of the GNU General Public License version
18   * 2 along with this work; if not, write to the Free Software Foundation,
19   * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20   *
21   * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22   * or visit www.oracle.com if you need additional information or have any
23   * questions.
24   */
25  
26  package jdk.nashorn.internal.ir;
27  
28  /**
29   * Statement is something that becomes code and can be stepped past. A block is
30   * made up of statements. The only node subclass that needs to keep token and
31   * location information is the Statement
32   */
33  public abstract class Statement extends Node {
34  
35      private final int lineNumber;
36  
37      /**
38       * Constructor
39       *
40       * @param lineNumber line number
41       * @param token      token
42       * @param finish     finish
43       */
44      public Statement(final int lineNumber, final long token, final int finish) {
45          super(token, finish);
46          this.lineNumber = lineNumber;
47      }
48  
49      /**
50       * Constructor
51       *
52       * @param lineNumber line number
53       * @param token      token
54       * @param start      start
55       * @param finish     finish
56       */
57      protected Statement(final int lineNumber, final long token, final int start, final int finish) {
58          super(token, start, finish);
59          this.lineNumber = lineNumber;
60      }
61  
62      /**
63       * Copy constructor
64       *
65       * @param node source node
66       */
67      protected Statement(final Statement node) {
68          super(node);
69          this.lineNumber = node.lineNumber;
70      }
71  
72      /**
73       * Return the line number
74       * @return line number
75       */
76      public int getLineNumber() {
77          return lineNumber;
78      }
79  
80  }