1 /*
2 * Copyright (c) 2000, 2021, 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_CLASSFILE_JAVAASSERTIONS_HPP
26 #define SHARE_CLASSFILE_JAVAASSERTIONS_HPP
27
28 #include "oops/objArrayOop.hpp"
29 #include "oops/typeArrayOop.hpp"
30 #include "runtime/handles.hpp"
31 #include "utilities/exceptions.hpp"
32 #include "utilities/ostream.hpp"
33
34 class JavaAssertions: AllStatic {
35 public:
36 static inline bool userClassDefault();
37 static inline void setUserClassDefault(bool enabled);
38 static inline bool systemClassDefault();
39 static inline void setSystemClassDefault(bool enabled);
40
41 // Add a command-line option. A name ending in "..." applies to a package and
42 // any subpackages; other names apply to a single class.
43 static void addOption(const char* name, bool enable);
44
45 // Return true if command-line options have enabled assertions for the named
46 // class. Should be called only after all command-line options have been
47 // processed. Note: this only consults command-line options and does not
48 // account for any dynamic changes to assertion status.
49 static bool enabled(const char* classname, bool systemClass);
50
51 // Create an instance of java.lang.AssertionStatusDirectives and fill in the
52 // fields based on the command-line assertion options.
53 static oop createAssertionStatusDirectives(TRAPS);
54
55 private:
56 class OptionList;
57 static void fillJavaArrays(const OptionList* p, int len, objArrayHandle names,
58 typeArrayHandle status, TRAPS);
59
60 static inline void trace(const char* name, const char* typefound,
61 const char* namefound, bool enabled);
62
63 static inline OptionList* match_class(const char* classname);
64 static OptionList* match_package(const char* classname);
65
66 static bool _userDefault; // User class default (-ea/-da).
67 static bool _sysDefault; // System class default (-esa/-dsa).
68 static OptionList* _classes; // Options for classes.
69 static OptionList* _packages; // Options for package trees.
70 };
71
72 class JavaAssertions::OptionList: public CHeapObj<mtClass> {
73 public:
74 inline OptionList(const char* name, bool enable, OptionList* next);
75
name() const76 inline const char* name() const { return _name; }
enabled() const77 inline bool enabled() const { return _enabled; }
next() const78 inline OptionList* next() const { return _next; }
79
80 static int count(OptionList* p);
81
82 private:
83 const char* _name;
84 OptionList* _next;
85 bool _enabled;
86 };
87
userClassDefault()88 inline bool JavaAssertions::userClassDefault() {
89 return _userDefault;
90 }
91
setUserClassDefault(bool enabled)92 inline void JavaAssertions::setUserClassDefault(bool enabled) {
93 if (TraceJavaAssertions)
94 tty->print_cr("JavaAssertions::setUserClassDefault(%d)", enabled);
95 _userDefault = enabled;
96 }
97
systemClassDefault()98 inline bool JavaAssertions::systemClassDefault() {
99 return _sysDefault;
100 }
101
setSystemClassDefault(bool enabled)102 inline void JavaAssertions::setSystemClassDefault(bool enabled) {
103 if (TraceJavaAssertions)
104 tty->print_cr("JavaAssertions::setSystemClassDefault(%d)", enabled);
105 _sysDefault = enabled;
106 }
107
108 #endif // SHARE_CLASSFILE_JAVAASSERTIONS_HPP
109