1 /*
2 * Copyright (c) 2000, 2017, 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, "boolean");
47 public static final BasicType T_CHAR = new BasicType(tChar, "char");
48 public static final BasicType T_FLOAT = new BasicType(tFloat, "float");
49 public static final BasicType T_DOUBLE = new BasicType(tDouble, "double");
50 public static final BasicType T_BYTE = new BasicType(tByte, "byte");
51 public static final BasicType T_SHORT = new BasicType(tShort, "short");
52 public static final BasicType T_INT = new BasicType(tInt, "int");
53 public static final BasicType T_LONG = new BasicType(tLong, "long");
54 public static final BasicType T_OBJECT = new BasicType(tObject, "object");
55 public static final BasicType T_ARRAY = new BasicType(tArray, "array");
56 public static final BasicType T_VOID = new BasicType(tVoid, "void");
57 public static final BasicType T_ADDRESS = new BasicType(tAddress, "*address");
58 public static final BasicType T_CONFLICT = new BasicType(tConflict, "*conflict");
59 public static final BasicType T_ILLEGAL = new BasicType(tIllegal, "ILLEGAL TYPE");
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 intToBasicType(int i) {
119 switch( i ) {
120 case tByte: return T_BYTE;
121 case tChar: return T_CHAR;
122 case tDouble: return T_DOUBLE;
123 case tFloat: return T_FLOAT;
124 case tInt: return T_INT;
125 case tLong: return T_LONG;
126 case tShort: return T_SHORT;
127 case tBoolean: return T_BOOLEAN;
128 case tVoid: return T_VOID;
129 case tObject: return T_OBJECT;
130 case tArray: return T_ARRAY;
131 }
132 return T_ILLEGAL;
133 }
134
135 public static BasicType charToBasicType(char c) {
136 switch( c ) {
137 case 'B': return T_BYTE;
138 case 'C': return T_CHAR;
139 case 'D': return T_DOUBLE;
140 case 'F': return T_FLOAT;
141 case 'I': return T_INT;
142 case 'J': return T_LONG;
143 case 'S': return T_SHORT;
144 case 'Z': return T_BOOLEAN;
145 case 'V': return T_VOID;
146 case 'L': return T_OBJECT;
147 case '[': return T_ARRAY;
148 }
149 return T_ILLEGAL;
150 }
151
152 public static int charToType(char c) {
153 return charToBasicType(c).getType();
154 }
155
156 public int getType() {
157 return type;
158 }
159
160 public String getName() {
161 return name;
162 }
163
164 //-- Internals only below this point
165 private BasicType(int type, String name) {
166 this.type = type;
167 this.name = name;
168 }
169
170 private int type;
171 private String name;
172 }