74 lines
2.8 KiB
C
74 lines
2.8 KiB
C
/* GDB-friendly replacement for <assert.h>.
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Copyright (C) 2000-2013 Free Software Foundation, Inc.
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This file is part of GDB.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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#ifndef GDB_ASSERT_H
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#define GDB_ASSERT_H
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/* A static assertion. This will cause a compile-time error if EXPR,
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which must be a compile-time constant, is false. */
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#define gdb_static_assert(expr) \
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extern int never_defined_just_used_for_checking[(expr) ? 1 : -1]
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/* PRAGMATICS: "gdb_assert.h":gdb_assert() is a lower case (rather
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than upper case) macro since that provides the closest fit to the
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existing lower case macro <assert.h>:assert() that it is
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replacing. */
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#define gdb_assert(expr) \
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((void) ((expr) ? 0 : \
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(gdb_assert_fail (#expr, __FILE__, __LINE__, ASSERT_FUNCTION), 0)))
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/* Version 2.4 and later of GCC define a magical variable `__PRETTY_FUNCTION__'
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which contains the name of the function currently being defined.
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This is broken in G++ before version 2.6.
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C9x has a similar variable called __func__, but prefer the GCC one since
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it demangles C++ function names. */
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#if (GCC_VERSION >= 2004)
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#define ASSERT_FUNCTION __PRETTY_FUNCTION__
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#else
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#if defined __STDC_VERSION__ && __STDC_VERSION__ >= 199901L
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#define ASSERT_FUNCTION __func__
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#endif
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#endif
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/* This prints an "Assertion failed" message, asking the user if they
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want to continue, dump core, or just exit. */
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#if defined (ASSERT_FUNCTION)
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#define gdb_assert_fail(assertion, file, line, function) \
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internal_error (file, line, _("%s: Assertion `%s' failed."), \
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function, assertion)
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#else
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#define gdb_assert_fail(assertion, file, line, function) \
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internal_error (file, line, _("Assertion `%s' failed."), \
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assertion)
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#endif
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/* The canonical form of gdb_assert (0).
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MESSAGE is a string to include in the error message. */
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#if defined (ASSERT_FUNCTION)
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#define gdb_assert_not_reached(message) \
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internal_error (__FILE__, __LINE__, "%s: %s", ASSERT_FUNCTION, _(message))
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#else
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#define gdb_assert_not_reached(message) \
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internal_error (__FILE__, __LINE__, _(message))
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#endif
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#endif /* gdb_assert.h */
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