/*

 * Copyright (c) 2000, 2012, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

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 * questions.

 *

 */

#ifndef SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP

#define SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP

#include "oops/objArrayOop.hpp"

#include "oops/typeArrayOop.hpp"

#include "utilities/exceptions.hpp"

#include "utilities/ostream.hpp"

class JavaAssertions: AllStatic {

public:

  static inline bool userClassDefault();

  static inline void setUserClassDefault(bool enabled);

  static inline bool systemClassDefault();

  static inline void setSystemClassDefault(bool enabled);

  // Add a command-line option.  A name ending in "..." applies to a package and

  // any subpackages; other names apply to a single class.

  static void addOption(const char* name, bool enable);

  // Return true if command-line options have enabled assertions for the named

  // class.  Should be called only after all command-line options have been

  // processed.  Note:  this only consults command-line options and does not

  // account for any dynamic changes to assertion status.

  static bool enabled(const char* classname, bool systemClass);

  // Create an instance of java.lang.AssertionStatusDirectives and fill in the

  // fields based on the command-line assertion options.

  static oop createAssertionStatusDirectives(TRAPS);

private:

  class OptionList;

  static void fillJavaArrays(const OptionList* p, int len, objArrayHandle names,

    typeArrayHandle status, TRAPS);

  static inline void trace(const char* name, const char* typefound,

    const char* namefound, bool enabled);

  static inline OptionList*     match_class(const char* classname);

  static OptionList*            match_package(const char* classname);

  static bool           _userDefault;   // User class default (-ea/-da).

  static bool           _sysDefault;    // System class default (-esa/-dsa).

  static OptionList*    _classes;       // Options for classes.

  static OptionList*    _packages;      // Options for package trees.

};

class JavaAssertions::OptionList: public CHeapObj<mtClass> {

public:

  inline OptionList(const char* name, bool enable, OptionList* next);

  inline const char*    name() const    { return _name; }

  inline bool           enabled() const { return _enabled; }

  inline OptionList*    next() const    { return _next; }

  static int count(OptionList* p);

private:

  const char*   _name;

  OptionList*   _next;

  bool          _enabled;

};

inline bool JavaAssertions::userClassDefault() {

  return _userDefault;

}

inline void JavaAssertions::setUserClassDefault(bool enabled) {

  if (TraceJavaAssertions)

    tty->print_cr("JavaAssertions::setUserClassDefault(%d)", enabled);

  _userDefault = enabled;

}

inline bool JavaAssertions::systemClassDefault() {

  return _sysDefault;

}

inline void JavaAssertions::setSystemClassDefault(bool enabled) {

  if (TraceJavaAssertions)

    tty->print_cr("JavaAssertions::setSystemClassDefault(%d)", enabled);

  _sysDefault = enabled;

}

#endif // SHARE_VM_CLASSFILE_JAVAASSERTIONS_HPP