Quelle writeableFlags.hpp Sprache: C

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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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* version 2 for more details (a copy is included in the LICENSE file that
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*
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#ifndef SHARE_SERVICES_WRITEABLEFLAGS_HPP
#define SHARE_SERVICES_WRITEABLEFLAGS_HPP

#include "runtime/flags/jvmFlag.hpp"
#include "runtime/globals.hpp"
#include "utilities/formatBuffer.hpp"

class WriteableFlags : AllStatic {
private:
  // a writeable flag setter accepting either 'jvalue' or 'char *' values
  static JVMFlag::Error set_flag(const char* name, const void* value, JVMFlag::Error(*setter)(JVMFlag*, const void*, JVMFlagOrigin, FormatBuffer<80>&), JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  // a writeable flag setter accepting 'char *' values
  static JVMFlag::Error set_flag_from_char(JVMFlag* f, const void* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  // a writeable flag setter accepting 'jvalue' values
  static JVMFlag::Error set_flag_from_jvalue(JVMFlag* f, const void* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);

  static JVMFlag::Error set_bool_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_int_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_uint_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_intx_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_uintx_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_uint64_t_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_size_t_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_double_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
  static JVMFlag::Error set_ccstr_flag(const char* name, const char* value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);

  template <typename T, int type_enum>
  static JVMFlag::Error set_flag_impl(const char* name, T value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);

public:
  /* sets a writeable flag to the provided value
   *
   * - return status is one of the WriteableFlags::err enum values
   * - an eventual error message will be generated to the provided err_msg buffer
   */
  static JVMFlag::Error set_flag(const char* flag_name, const char* flag_value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);

  /* sets a writeable flag to the provided value
   *
   * - return status is one of the WriteableFlags::err enum values
   * - an eventual error message will be generated to the provided err_msg buffer
   */
  static JVMFlag::Error set_flag(const char* flag_name, jvalue flag_value, JVMFlagOrigin origin, FormatBuffer<80>& err_msg);
};

#endif // SHARE_SERVICES_WRITEABLEFLAGS_HPP

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