1 /*
2 * Copyright (c) 2000, 2004, 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 package sun.jvm.hotspot.runtime;
26
27 /** Encapsulates the BasicType enum in globalDefinitions.hpp in the
28 VM. */
29
30 public class BasicType {
31 public static final int tBoolean = 4;
32 public static final int tChar = 5;
33 public static final int tFloat = 6;
34 public static final int tDouble = 7;
35 public static final int tByte = 8;
36 public static final int tShort = 9;
37 public static final int tInt = 10;
38 public static final int tLong = 11;
39 public static final int tObject = 12;
40 public static final int tArray = 13;
41 public static final int tVoid = 14;
42 public static final int tAddress = 15;
43 public static final int tConflict = 16;
44 public static final int tIllegal = 99;
45
46 public static final BasicType T_BOOLEAN = new BasicType(tBoolean);
47 public static final BasicType T_CHAR = new BasicType(tChar);
48 public static final BasicType T_FLOAT = new BasicType(tFloat);
49 public static final BasicType T_DOUBLE = new BasicType(tDouble);
50 public static final BasicType T_BYTE = new BasicType(tByte);
51 public static final BasicType T_SHORT = new BasicType(tShort);
52 public static final BasicType T_INT = new BasicType(tInt);
53 public static final BasicType T_LONG = new BasicType(tLong);
54 public static final BasicType T_OBJECT = new BasicType(tObject);
55 public static final BasicType T_ARRAY = new BasicType(tArray);
56 public static final BasicType T_VOID = new BasicType(tVoid);
57 public static final BasicType T_ADDRESS = new BasicType(tAddress);
58 public static final BasicType T_CONFLICT = new BasicType(tConflict);
59 public static final BasicType T_ILLEGAL = new BasicType(tIllegal);
60
61 public static int getTBoolean() {
62 return tBoolean;
63 }
64
65 public static int getTChar() {
66 return tChar;
67 }
68
69 public static int getTFloat() {
70 return tFloat;
71 }
72
73 public static int getTDouble() {
74 return tDouble;
75 }
76
77 public static int getTByte() {
78 return tByte;
79 }
80
81 public static int getTShort() {
82 return tShort;
83 }
84
85 public static int getTInt() {
86 return tInt;
87 }
88
89 public static int getTLong() {
90 return tLong;
91 }
92
93 public static int getTObject() {
94 return tObject;
95 }
96
97 public static int getTArray() {
98 return tArray;
99 }
100
101 public static int getTVoid() {
102 return tVoid;
103 }
104
105 public static int getTAddress() {
106 return tAddress;
107 }
108
109 /** For stack value type with conflicting contents */
110 public static int getTConflict() {
111 return tConflict;
112 }
113
114 public static int getTIllegal() {
115 return tIllegal;
116 }
117
118 public static BasicType charToBasicType(char c) {
119 switch( c ) {
120 case 'B': return T_BYTE;
121 case 'C': return T_CHAR;
122 case 'D': return T_DOUBLE;
123 case 'F': return T_FLOAT;
124 case 'I': return T_INT;
125 case 'J': return T_LONG;
126 case 'S': return T_SHORT;
127 case 'Z': return T_BOOLEAN;
128 case 'V': return T_VOID;
129 case 'L': return T_OBJECT;
130 case '[': return T_ARRAY;
131 }
132 return T_ILLEGAL;
133 }
134
135 public static int charToType(char c) {
136 return charToBasicType(c).getType();
137 }
138
139 public int getType() {
140 return type;
141 }
142
143 //-- Internals only below this point
144 private BasicType(int type) {
145 this.type = type;
146 }
147
148 private int type;
149 }