1 /*
2 * Copyright (c) 1999, 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.
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 // ciConstant
26 //
27 // This class represents a constant value.
28 class ciConstant VALUE_OBJ_CLASS_SPEC {
29 private:
30 friend class ciEnv;
31 friend class ciField;
32
33 BasicType _type;
34 union {
35 jint _int;
36 jlong _long;
37 jint _long_half[2];
38 jfloat _float;
39 jdouble _double;
40 ciObject* _object;
41 } _value;
42
43 // Implementation of the print method.
44 void print_impl(outputStream* st);
93 jlong as_long() {
94 assert(basic_type() == T_LONG, "wrong type");
95 return _value._long;
96 }
97 jfloat as_float() {
98 assert(basic_type() == T_FLOAT, "wrong type");
99 return _value._float;
100 }
101 jdouble as_double() {
102 assert(basic_type() == T_DOUBLE, "wrong type");
103 return _value._double;
104 }
105 ciObject* as_object() const {
106 assert(basic_type() == T_OBJECT || basic_type() == T_ARRAY, "wrong type");
107 return _value._object;
108 }
109
110 // Debugging output
111 void print();
112 };
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1 /*
2 * Copyright (c) 1999, 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 #ifndef SHARE_VM_CI_CICONSTANT_HPP
26 #define SHARE_VM_CI_CICONSTANT_HPP
27
28 #include "ci/ciClassList.hpp"
29 #include "ci/ciNullObject.hpp"
30
31 // ciConstant
32 //
33 // This class represents a constant value.
34 class ciConstant VALUE_OBJ_CLASS_SPEC {
35 private:
36 friend class ciEnv;
37 friend class ciField;
38
39 BasicType _type;
40 union {
41 jint _int;
42 jlong _long;
43 jint _long_half[2];
44 jfloat _float;
45 jdouble _double;
46 ciObject* _object;
47 } _value;
48
49 // Implementation of the print method.
50 void print_impl(outputStream* st);
99 jlong as_long() {
100 assert(basic_type() == T_LONG, "wrong type");
101 return _value._long;
102 }
103 jfloat as_float() {
104 assert(basic_type() == T_FLOAT, "wrong type");
105 return _value._float;
106 }
107 jdouble as_double() {
108 assert(basic_type() == T_DOUBLE, "wrong type");
109 return _value._double;
110 }
111 ciObject* as_object() const {
112 assert(basic_type() == T_OBJECT || basic_type() == T_ARRAY, "wrong type");
113 return _value._object;
114 }
115
116 // Debugging output
117 void print();
118 };
119
120 #endif // SHARE_VM_CI_CICONSTANT_HPP
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