1 /*
2 * Copyright (c) 2000, 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_CLASSFILE_JAVAASSERTIONS_HPP
26 #define SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP
27
28 #include "oops/objArrayOop.hpp"
29 #include "oops/typeArrayOop.hpp"
30 #include "utilities/exceptions.hpp"
31 #include "utilities/ostream.hpp"
32
33 class JavaAssertions: AllStatic {
34 public:
35 static inline bool userClassDefault();
36 static inline void setUserClassDefault(bool enabled);
37 static inline bool systemClassDefault();
38 static inline void setSystemClassDefault(bool enabled);
39
40 // Add a command-line option. A name ending in "..." applies to a package and
41 // any subpackages; other names apply to a single class.
42 static void addOption(const char* name, bool enable);
43
44 // Return true if command-line options have enabled assertions for the named
45 // class. Should be called only after all command-line options have been
46 // processed. Note: this only consults command-line options and does not
47 // account for any dynamic changes to assertion status.
48 static bool enabled(const char* classname, bool systemClass);
49
50 // Create an instance of java.lang.AssertionStatusDirectives and fill in the
51 // fields based on the command-line assertion options.
52 static oop createAssertionStatusDirectives(TRAPS);
53
54 private:
55 class OptionList;
56 static void fillJavaArrays(const OptionList* p, int len, objArrayHandle names,
57 typeArrayHandle status, TRAPS);
58
59 static inline void trace(const char* name, const char* typefound,
60 const char* namefound, bool enabled);
61
62 static inline OptionList* match_class(const char* classname);
63 static OptionList* match_package(const char* classname);
64
65 static bool _userDefault; // User class default (-ea/-da).
66 static bool _sysDefault; // System class default (-esa/-dsa).
67 static OptionList* _classes; // Options for classes.
68 static OptionList* _packages; // Options for package trees.
69 };
70
71 class JavaAssertions::OptionList: public CHeapObj {
72 public:
73 inline OptionList(const char* name, bool enable, OptionList* next);
74
75 inline const char* name() const { return _name; }
76 inline bool enabled() const { return _enabled; }
77 inline OptionList* next() const { return _next; }
78
79 static int count(OptionList* p);
80
81 private:
82 const char* _name;
83 OptionList* _next;
84 bool _enabled;
85 };
86
87 inline bool JavaAssertions::userClassDefault() {
88 return _userDefault;
89 }
90
91 inline void JavaAssertions::setUserClassDefault(bool enabled) {
92 if (TraceJavaAssertions)
93 tty->print_cr("JavaAssertions::setUserClassDefault(%d)", enabled);
94 _userDefault = enabled;
95 }
96
97 inline bool JavaAssertions::systemClassDefault() {
98 return _sysDefault;
99 }
100
101 inline void JavaAssertions::setSystemClassDefault(bool enabled) {
102 if (TraceJavaAssertions)
103 tty->print_cr("JavaAssertions::setSystemClassDefault(%d)", enabled);
104 _sysDefault = enabled;
105 }
106
107 #endif // SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP