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/*

 * Copyright (C) 1995 Advanced RISC Machines Limited. All rights reserved.

 *

 * This software may be freely used, copied, modified, and distributed

 * provided that the above copyright notice is preserved in all copies of the

 * software.

 */

/* -*-C-*-

 *

 * $Revision: 1.1.1.1 $

 *     $Date: 2001-05-18 11:16:45 $

 *

 *

 * logging.h - methods for logging warnings, errors and trace info

 */

#ifndef angel_logging_h

#define angel_logging_h

#include <stdarg.h>

/*

 * __rt_warning

 * ------------

 * Provides a standard method of generating run-time system

 * warnings. The actual action taken by this code can be board or

 * target application specific, e.g. internal logging, debug message,

 * etc.

 */

extern void __rt_warning(char *format, ...);

/*---------------------------------------------------------------------------*/

/*

 * __rt_error

 * ----------

 * Raise an internal Angel error. The parameters are passed directly

 * to "__rt_warning" for display, and the code then raises a debugger

 * event and stops the target processing.

 */

extern void __rt_error(char *format, ...);

/*

 * Some macros for debugging and warning messages

 */

typedef enum WarnLevel {

    WL_TRACE,

    WL_WARN,

    WL_ERROR

} WarnLevel;

void va_warn(WarnLevel level, char *format, va_list args);

#ifdef _WINGDI_

/* stupidity in MSVC <wingdi.h> (in <windows.h> in <winsock.h>) */

# undef ERROR

#endif

#ifndef ERROR

# define ERROR_FORMAT "Error \"%s\" in %s at line %d\n"

# define ERROR(e) __rt_error(ERROR_FORMAT, (e), __FILE__, __LINE__)

#endif

#ifndef ASSERT

# ifdef ASSERTIONS_ENABLED

#   define ASSERT(x, y) ((x) ? (void)(0) : ERROR((y)))

# else

#   define ASSERT(x, y) ((void)(0))

# endif

#endif

#ifndef WARN

# ifdef ASSERTIONS_ENABLED

#   define WARN_FORMAT "Warning \"%s\" in %s at line %d\n"

#   define WARN(w) __rt_warning(WARN_FORMAT, (w), __FILE__, __LINE__)

# else

#   define WARN(w) ((void)(0))

# endif

#endif

#ifdef NO_INFO_MESSAGES

# define __rt_info (void)

# ifndef INFO

#   define INFO(w)

# endif

#else

# define __rt_info __rt_warning

# ifndef INFO

#  ifdef DEBUG

#   define INFO(w) __rt_warning("%s\n", (w))

#  else

#   define INFO(w) ((void)(0))

#  endif

# endif

#endif

#if defined(DEBUG) && !defined(NO_IDLE_CHITCHAT)

# ifndef DO_TRACE

#   define DO_TRACE (1)

# endif

#endif

#ifdef DO_TRACE

extern void __rt_trace(char *format, ...);

#endif

#ifndef TRACE

# ifdef DO_TRACE

#   define TRACE(w) __rt_trace("%s ", (w))

# else

#   define TRACE(w) ((void)(0))

# endif

#endif

#endif /* ndef angel_logging_h */

/* EOF logging.h */