projects / deliverable / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| 6751bfc9 | 1 | /* GDB-friendly replacement for <assert.h>. |
| 0b302171 | 2 | Copyright (C) 2000-2001, 2007-2012 Free Software Foundation, Inc. |
| 6751bfc9 MK |
3 | |
| 4 | This file is part of GDB. | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| a9762ec7 | 8 | the Free Software Foundation; either version 3 of the License, or |
| 6751bfc9 MK |
9 | (at your option) any later version. |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| a9762ec7 | 17 | along with this program. If not, see <http://www.gnu.org/licenses/>. */ |
| 6751bfc9 MK |
18 | |
| 19 | #ifndef GDB_ASSERT_H | |
| 20 | #define GDB_ASSERT_H | |
| 21 | ||
| f5afdc18 TT |
22 | /* A static assertion. This will cause a compile-time error if EXPR, |
| 23 | which must be a compile-time constant, is false. */ | |
| 24 | ||
| 2efa2c79 | 25 | #define gdb_static_assert(expr) \ |
| f5afdc18 TT |
26 | extern int never_defined_just_used_for_checking[(expr) ? 1 : -1] |
| 27 | ||
| 38266776 AC |
28 | /* PRAGMATICS: "gdb_assert.h":gdb_assert() is a lower case (rather |
| 29 | than upper case) macro since that provides the closest fit to the | |
| 30 | existing lower case macro <assert.h>:assert() that it is | |
| 0963b4bd | 31 | replacing. */ |
| 38266776 | 32 | |
| 6751bfc9 MK |
33 | #define gdb_assert(expr) \ |
| 34 | ((void) ((expr) ? 0 : \ | |
| 35 | (gdb_assert_fail (#expr, __FILE__, __LINE__, ASSERT_FUNCTION), 0))) | |
| 36 | ||
| 37 | /* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__' | |
| 38 | which contains the name of the function currently being defined. | |
| 39 | This is broken in G++ before version 2.6. | |
| 40 | C9x has a similar variable called __func__, but prefer the GCC one since | |
| 41 | it demangles C++ function names. */ | |
| 42 | #if (GCC_VERSION >= 2004) | |
| 43 | #define ASSERT_FUNCTION __PRETTY_FUNCTION__ | |
| 44 | #else | |
| 45 | #if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L | |
| 46 | #define ASSERT_FUNCTION __func__ | |
| 6751bfc9 MK |
47 | #endif |
| 48 | #endif | |
| 49 | ||
| f3574227 | 50 | /* This prints an "Assertion failed" message, asking the user if they |
| 6751bfc9 | 51 | want to continue, dump core, or just exit. */ |
| 93ec1121 AC |
52 | #if defined (ASSERT_FUNCTION) |
| 53 | #define gdb_assert_fail(assertion, file, line, function) \ | |
| 3e43a32a | 54 | internal_error (file, line, _("%s: Assertion `%s' failed."), \ |
| 93ec1121 AC |
55 | function, assertion) |
| 56 | #else | |
| 6751bfc9 | 57 | #define gdb_assert_fail(assertion, file, line, function) \ |
| 3e43a32a | 58 | internal_error (file, line, _("Assertion `%s' failed."), \ |
| 6751bfc9 | 59 | assertion) |
| 93ec1121 | 60 | #endif |
| 6751bfc9 | 61 | |
| f3574227 DE |
62 | /* The canonical form of gdb_assert (0). |
| 63 | MESSAGE is a string to include in the error message. */ | |
| 64 | ||
| 65 | #if defined (ASSERT_FUNCTION) | |
| 66 | #define gdb_assert_not_reached(message) \ | |
| 67 | internal_error (__FILE__, __LINE__, "%s: %s", ASSERT_FUNCTION, _(message)) | |
| 68 | #else | |
| 69 | #define gdb_assert_not_reached(message) \ | |
| 70 | internal_error (__FILE__, __LINE__, _(message)) | |
| 71 | #endif | |
| 72 | ||
| 6751bfc9 | 73 | #endif /* gdb_assert.h */ |