| /* GDB-friendly replacement for <assert.h>. |
| Copyright (C) 2000-2001, 2007-2012 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 |
| |
| /* A static assertion. This will cause a compile-time error if EXPR, |
| which must be a compile-time constant, is false. */ |
| |
| #define gdb_static_assert(expr) \ |
| extern int never_defined_just_used_for_checking[(expr) ? 1 : -1] |
| |
| /* 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, asking 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 |
| |
| /* The canonical form of gdb_assert (0). |
| MESSAGE is a string to include in the error message. */ |
| |
| #if defined (ASSERT_FUNCTION) |
| #define gdb_assert_not_reached(message) \ |
| internal_error (__FILE__, __LINE__, "%s: %s", ASSERT_FUNCTION, _(message)) |
| #else |
| #define gdb_assert_not_reached(message) \ |
| internal_error (__FILE__, __LINE__, _(message)) |
| #endif |
| |
| #endif /* gdb_assert.h */ |
