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113 lines
3.6 KiB
C
113 lines
3.6 KiB
C
/* impl.c.assert: ASSERTION IMPLEMENTATION
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*
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* $Id$
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* Copyright (c) 2001 Ravenbrook Limited.
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*
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* This source provides the AssertFail function which is
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* invoked by the assertion macros (see impl.h.assert).
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* It also provides for user-installed assertion failure handlers.
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*/
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#include "check.h"
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#include "mpm.h"
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SRCID(assert, "$Id$");
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/* CheckLevel -- Control check level
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*
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* This controls the behaviour of Check methods unless MPS_HOT_RED
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* is defined, when it is effectively stuck at "CheckNONE".
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*/
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unsigned CheckLevel = CheckSHALLOW;
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static void AssertLib(const char *cond, const char *id,
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const char *file, unsigned line)
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{
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WriteF(mps_lib_stderr,
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"\n"
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"MPS ASSERTION FAILURE\n"
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"\n"
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"Id: $S\n", id,
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"File: $S\n", file,
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"Line: $U\n", (WriteFU)line,
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"Condition: $S\n", cond,
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"\n",
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NULL);
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mps_lib_abort();
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}
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static AssertHandler handler = &AssertLib;
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AssertHandler AssertDefault(void)
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{
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return &AssertLib;
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}
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AssertHandler AssertInstall(AssertHandler new)
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{
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AssertHandler prev = handler;
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handler = new;
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return prev;
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}
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/* AssertFail -- fail an assertion
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*
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* This function is called when an ASSERT macro fails a test. It
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* calls the installed assertion handler, if it is not NULL. If
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* handler returns the progam continues.
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*/
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void AssertFail1(const char *s)
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{
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if (handler != NULL)
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(*handler)(s, "", "", 0);
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}
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/* C. COPYRIGHT AND LICENSE
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*
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* Copyright (C) 2001-2002 Ravenbrook Limited <http://www.ravenbrook.com/>.
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* All rights reserved. This is an open source license. Contact
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* Ravenbrook for commercial licensing options.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Redistributions in any form must be accompanied by information on how
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* to obtain complete source code for this software and any accompanying
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* software that uses this software. The source code must either be
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* included in the distribution or be available for no more than the cost
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* of distribution plus a nominal fee, and must be freely redistributable
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* under reasonable conditions. For an executable file, complete source
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* code means the source code for all modules it contains. It does not
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* include source code for modules or files that typically accompany the
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* major components of the operating system on which the executable file
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* runs.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
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* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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* PURPOSE, OR NON-INFRINGEMENT, ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDERS AND CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
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* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
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* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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