binutils-gdb/gdb/gdb_assert.h

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/* GDB-friendly replacement for <assert.h>.
Copyright 2000, 2001 Free Software Foundation, Inc.
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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 2 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, write to the Free Software
Foundation, Inc., 59 Temple Place - Suite 330,
Boston, MA 02111-1307, USA. */
#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. */
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#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__
#else
#define ASSERT_FUNCTION ((const char *) 0)
#endif
#endif
/* This prints an "Assertion failed" message, aksing the user if they
want to continue, dump core, or just exit. */
#define gdb_assert_fail(assertion, file, line, function) \
internal_error (file, line, "%s%sAssertion `%s' failed.", \
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function ? function : "", function ? ": " : "", \
assertion)
#endif /* gdb_assert.h */