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1   /*
2    * Copyright (c) 1994, 2003, 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 sun.tools.asm;
27  
28  import sun.tools.java.*;
29  import java.io.IOException;
30  import java.io.DataOutputStream;
31  
32  /**
33   * This is a field constant pool data item
34   *
35   * WARNING: The contents of this source file are not part of any
36   * supported API.  Code that depends on them does so at its own risk:
37   * they are subject to change or removal without notice.
38   */
39  final
40  class FieldConstantData extends ConstantPoolData {
41      MemberDefinition field;
42      NameAndTypeData nt;
43  
44      /**
45       * Constructor
46       */
47      FieldConstantData(ConstantPool tab, MemberDefinition field) {
48          this.field = field;
49          nt = new NameAndTypeData(field);
50          tab.put(field.getClassDeclaration());
51          tab.put(nt);
52      }
53  
54      /**
55       * Write the constant to the output stream
56       */
57      void write(Environment env, DataOutputStream out, ConstantPool tab) throws IOException {
58          if (field.isMethod()) {
59              if (field.getClassDefinition().isInterface()) {
60                  out.writeByte(CONSTANT_INTERFACEMETHOD);
61              } else {
62                  out.writeByte(CONSTANT_METHOD);
63              }
64          } else {
65              out.writeByte(CONSTANT_FIELD);
66          }
67          out.writeShort(tab.index(field.getClassDeclaration()));
68          out.writeShort(tab.index(nt));
69      }
70  
71      /**
72       * Return the order of the constant
73       */
74      int order() {
75          return 2;
76      }
77  }