javaAssertions.hpp revision 1879:f95d63e2154a 
1295367Sdes/*
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
33class JavaAssertions: AllStatic {
34public:
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
54private:
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
71class JavaAssertions::OptionList: public CHeapObj {
72public:
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
81private:
82  const char*   _name;
83  OptionList*   _next;
84  bool          _enabled;
85};
86
87inline bool JavaAssertions::userClassDefault() {
88  return _userDefault;
89}
90
91inline void JavaAssertions::setUserClassDefault(bool enabled) {
92  if (TraceJavaAssertions)
93    tty->print_cr("JavaAssertions::setUserClassDefault(%d)", enabled);
94  _userDefault = enabled;
95}
96
97inline bool JavaAssertions::systemClassDefault() {
98  return _sysDefault;
99}
100
101inline 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
108