1 /* GDB-friendly replacement for <assert.h>.
2    Copyright (C) 2000-2021 Free Software Foundation, Inc.
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
8    the Free Software Foundation; either version 3 of the License, or
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
17    along with this program.  If not, see <http://www.gnu.org/licenses/>.  */
18 
19 #ifndef COMMON_GDB_ASSERT_H
20 #define COMMON_GDB_ASSERT_H
21 
22 #include "errors.h"
23 
24 /* A static assertion.  This will cause a compile-time error if EXPR,
25    which must be a compile-time constant, is false.  */
26 
27 #define gdb_static_assert(expr) static_assert (expr, "")
28 
29 /* PRAGMATICS: "gdb_assert.h":gdb_assert() is a lower case (rather
30    than upper case) macro since that provides the closest fit to the
31    existing lower case macro <assert.h>:assert() that it is
32    replacing.  */
33 
34 #define gdb_assert(expr)                                                      \
35   ((void) ((expr) ? 0 :                                                       \
36 	   (gdb_assert_fail (#expr, __FILE__, __LINE__, FUNCTION_NAME), 0)))
37 
38 /* This prints an "Assertion failed" message, asking the user if they
39    want to continue, dump core, or just exit.  */
40 #if defined (FUNCTION_NAME)
41 #define gdb_assert_fail(assertion, file, line, function)                      \
42   internal_error (file, line, _("%s: Assertion `%s' failed."),                \
43 		  function, assertion)
44 #else
45 #define gdb_assert_fail(assertion, file, line, function)                      \
46   internal_error (file, line, _("Assertion `%s' failed."),                    \
47 		  assertion)
48 #endif
49 
50 /* The canonical form of gdb_assert (0).
51    MESSAGE is a string to include in the error message.  */
52 
53 #if defined (FUNCTION_NAME)
54 #define gdb_assert_not_reached(message) \
55   internal_error (__FILE__, __LINE__, "%s: %s", FUNCTION_NAME, _(message))
56 #else
57 #define gdb_assert_not_reached(message) \
58   internal_error (__FILE__, __LINE__, _(message))
59 #endif
60 
61 #endif /* COMMON_GDB_ASSERT_H */
62