1*b725ae77Skettenis /* GDB-friendly replacement for <assert.h>. 2*b725ae77Skettenis Copyright 2000, 2001 Free Software Foundation, Inc. 3*b725ae77Skettenis 4*b725ae77Skettenis This file is part of GDB. 5*b725ae77Skettenis 6*b725ae77Skettenis This program is free software; you can redistribute it and/or modify 7*b725ae77Skettenis it under the terms of the GNU General Public License as published by 8*b725ae77Skettenis the Free Software Foundation; either version 2 of the License, or 9*b725ae77Skettenis (at your option) any later version. 10*b725ae77Skettenis 11*b725ae77Skettenis This program is distributed in the hope that it will be useful, 12*b725ae77Skettenis but WITHOUT ANY WARRANTY; without even the implied warranty of 13*b725ae77Skettenis MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 14*b725ae77Skettenis GNU General Public License for more details. 15*b725ae77Skettenis 16*b725ae77Skettenis You should have received a copy of the GNU General Public License 17*b725ae77Skettenis along with this program; if not, write to the Free Software 18*b725ae77Skettenis Foundation, Inc., 59 Temple Place - Suite 330, 19*b725ae77Skettenis Boston, MA 02111-1307, USA. */ 20*b725ae77Skettenis 21*b725ae77Skettenis #ifndef GDB_ASSERT_H 22*b725ae77Skettenis #define GDB_ASSERT_H 23*b725ae77Skettenis 24*b725ae77Skettenis /* PRAGMATICS: "gdb_assert.h":gdb_assert() is a lower case (rather 25*b725ae77Skettenis than upper case) macro since that provides the closest fit to the 26*b725ae77Skettenis existing lower case macro <assert.h>:assert() that it is 27*b725ae77Skettenis replacing. */ 28*b725ae77Skettenis 29*b725ae77Skettenis #define gdb_assert(expr) \ 30*b725ae77Skettenis ((void) ((expr) ? 0 : \ 31*b725ae77Skettenis (gdb_assert_fail (#expr, __FILE__, __LINE__, ASSERT_FUNCTION), 0))) 32*b725ae77Skettenis 33*b725ae77Skettenis /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__' 34*b725ae77Skettenis which contains the name of the function currently being defined. 35*b725ae77Skettenis This is broken in G++ before version 2.6. 36*b725ae77Skettenis C9x has a similar variable called __func__, but prefer the GCC one since 37*b725ae77Skettenis it demangles C++ function names. */ 38*b725ae77Skettenis #if (GCC_VERSION >= 2004) 39*b725ae77Skettenis #define ASSERT_FUNCTION __PRETTY_FUNCTION__ 40*b725ae77Skettenis #else 41*b725ae77Skettenis #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L 42*b725ae77Skettenis #define ASSERT_FUNCTION __func__ 43*b725ae77Skettenis #endif 44*b725ae77Skettenis #endif 45*b725ae77Skettenis 46*b725ae77Skettenis /* This prints an "Assertion failed" message, aksing the user if they 47*b725ae77Skettenis want to continue, dump core, or just exit. */ 48*b725ae77Skettenis #if defined (ASSERT_FUNCTION) 49*b725ae77Skettenis #define gdb_assert_fail(assertion, file, line, function) \ 50*b725ae77Skettenis internal_error (file, line, "%s: Assertion `%s' failed.", \ 51*b725ae77Skettenis function, assertion) 52*b725ae77Skettenis #else 53*b725ae77Skettenis #define gdb_assert_fail(assertion, file, line, function) \ 54*b725ae77Skettenis internal_error (file, line, "Assertion `%s' failed.", \ 55*b725ae77Skettenis assertion) 56*b725ae77Skettenis #endif 57*b725ae77Skettenis 58*b725ae77Skettenis #endif /* gdb_assert.h */ 59