constantTag.cpp revision 2307:ed69575596ac 
1/*
2 * Copyright (c) 1997, 2010, 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.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20 * or visit www.oracle.com if you need additional information or have any
21 * questions.
22 *
23 */
24
25#include "precompiled.hpp"
26#include "utilities/constantTag.hpp"
27
28#ifndef PRODUCT
29
30void constantTag::print_on(outputStream* st) const {
31  st->print(internal_name());
32}
33
34#endif // PRODUCT
35
36BasicType constantTag::basic_type() const {
37  switch (_tag) {
38    case JVM_CONSTANT_Integer :
39      return T_INT;
40    case JVM_CONSTANT_Float :
41      return T_FLOAT;
42    case JVM_CONSTANT_Long :
43      return T_LONG;
44    case JVM_CONSTANT_Double :
45      return T_DOUBLE;
46
47    case JVM_CONSTANT_Class :
48    case JVM_CONSTANT_String :
49    case JVM_CONSTANT_UnresolvedClass :
50    case JVM_CONSTANT_UnresolvedClassInError :
51    case JVM_CONSTANT_ClassIndex :
52    case JVM_CONSTANT_UnresolvedString :
53    case JVM_CONSTANT_StringIndex :
54    case JVM_CONSTANT_MethodHandle :
55    case JVM_CONSTANT_MethodType :
56    case JVM_CONSTANT_Object :
57      return T_OBJECT;
58    default:
59      ShouldNotReachHere();
60      return T_ILLEGAL;
61  }
62}
63
64
65
66const char* constantTag::internal_name() const {
67  switch (_tag) {
68    case JVM_CONSTANT_Invalid :
69      return "Invalid index";
70    case JVM_CONSTANT_Class :
71      return "Class";
72    case JVM_CONSTANT_Fieldref :
73      return "Field";
74    case JVM_CONSTANT_Methodref :
75      return "Method";
76    case JVM_CONSTANT_InterfaceMethodref :
77      return "InterfaceMethod";
78    case JVM_CONSTANT_String :
79      return "String";
80    case JVM_CONSTANT_Integer :
81      return "Integer";
82    case JVM_CONSTANT_Float :
83      return "Float";
84    case JVM_CONSTANT_Long :
85      return "Long";
86    case JVM_CONSTANT_Double :
87      return "Double";
88    case JVM_CONSTANT_NameAndType :
89      return "NameAndType";
90    case JVM_CONSTANT_MethodHandle :
91      return "MethodHandle";
92    case JVM_CONSTANT_MethodType :
93      return "MethodType";
94    case JVM_CONSTANT_InvokeDynamic :
95      return "InvokeDynamic";
96    case JVM_CONSTANT_Object :
97      return "Object";
98    case JVM_CONSTANT_Utf8 :
99      return "Utf8";
100    case JVM_CONSTANT_UnresolvedClass :
101      return "Unresolved Class";
102    case JVM_CONSTANT_UnresolvedClassInError :
103      return "Unresolved Class Error";
104    case JVM_CONSTANT_ClassIndex :
105      return "Unresolved Class Index";
106    case JVM_CONSTANT_UnresolvedString :
107      return "Unresolved String";
108    case JVM_CONSTANT_StringIndex :
109      return "Unresolved String Index";
110    default:
111      ShouldNotReachHere();
112      return "Illegal";
113  }
114}
115