JDK14/Java14源码在线阅读

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 * version 2 for more details (a copy is included in the LICENSE file that
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#ifndef SHARE_CLASSFILE_JAVAASSERTIONS_HPP
#define SHARE_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)

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