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/* GDB-friendly replacement for <assert.h>.

   Copyright (C) 2000, 2001, 2007, 2008, 2009, 2010

   Free Software Foundation, Inc.

   This file is part of GDB.

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

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program 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 for more details.

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

   along with this program.  If not, see <http://www.gnu.org/licenses/>.  */

#ifndef GDB_ASSERT_H

#define GDB_ASSERT_H

/* PRAGMATICS: "gdb_assert.h":gdb_assert() is a lower case (rather

   than upper case) macro since that provides the closest fit to the

   existing lower case macro <assert.h>:assert() that it is

   replacing. */

#define gdb_assert(expr)                                                      \

  ((void) ((expr) ? 0 :                                                       \

           (gdb_assert_fail (#expr, __FILE__, __LINE__, ASSERT_FUNCTION), 0)))

/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'

   which contains the name of the function currently being defined.

   This is broken in G++ before version 2.6.

   C9x has a similar variable called __func__, but prefer the GCC one since

   it demangles C++ function names.  */

#if (GCC_VERSION >= 2004)

#define ASSERT_FUNCTION         __PRETTY_FUNCTION__

#else

#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L

#define ASSERT_FUNCTION         __func__

#endif

#endif

/* This prints an "Assertion failed" message, aksing the user if they

   want to continue, dump core, or just exit.  */

#if defined (ASSERT_FUNCTION)

#define gdb_assert_fail(assertion, file, line, function)                      \

  internal_error (file, line, _("%s: Assertion `%s' failed."),                   \

                  function, assertion)

#else

#define gdb_assert_fail(assertion, file, line, function)                      \

  internal_error (file, line, _("Assertion `%s' failed."),                       \

                  assertion)

#endif

#endif /* gdb_assert.h */