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