BasicType.java revision 9883:903a2e023ffb 
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
25package sun.jvm.hotspot.runtime;
26
27/** Encapsulates the BasicType enum in globalDefinitions.hpp in the
28    VM. */
29
30public 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}
150