macros.hpp

00001 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
00002 /*
00003  *  Main authors:
00004  *     Christian Schulte <schulte@gecode.org>
00005  *
00006  *  Copyright:
00007  *     Christian Schulte, 2004
00008  *
00009  *  Last modified:
00010  *     $Date: 2016-05-23 22:18:23 +0200 (Mon, 23 May 2016) $ by $Author: schulte $
00011  *     $Revision: 15073 $
00012  *
00013  *  This file is part of Gecode, the generic constraint
00014  *  development environment:
00015  *     http://www.gecode.org
00016  *
00017  *  Permission is hereby granted, free of charge, to any person obtaining
00018  *  a copy of this software and associated documentation files (the
00019  *  "Software"), to deal in the Software without restriction, including
00020  *  without limitation the rights to use, copy, modify, merge, publish,
00021  *  distribute, sublicense, and/or sell copies of the Software, and to
00022  *  permit persons to whom the Software is furnished to do so, subject to
00023  *  the following conditions:
00024  *
00025  *  The above copyright notice and this permission notice shall be
00026  *  included in all copies or substantial portions of the Software.
00027  *
00028  *  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
00029  *  EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
00030  *  MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
00031  *  NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
00032  *  LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
00033  *  OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
00034  *  WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
00035  *
00036  */
00037 
00044 #define GECODE_POST \
00045   if (home.failed()) return;             \
00046   ::Gecode::PostInfo __gecode__pi(home);
00047 
00048 
00056 #define GECODE_ME_CHECK(me) do {                \
00057   if (::Gecode::me_failed(me))                  \
00058     return ::Gecode::ES_FAILED;                 \
00059   } while (0)
00060 
00068 #define GECODE_ME_CHECK_MODIFIED(modified, me) do {        \
00069     ::Gecode::ModEvent __me__ ## __LINE__ = (me);          \
00070     if (::Gecode::me_failed(__me__ ## __LINE__))           \
00071       return ::Gecode::ES_FAILED;                          \
00072     modified |= ::Gecode::me_modified(__me__ ## __LINE__); \
00073   } while (0)
00074 
00081 #define GECODE_ME_FAIL(me) do {                 \
00082   if (::Gecode::me_failed(me)) {                \
00083     (home).fail();                              \
00084     return;                                     \
00085   }} while (0)
00086 
00087 
00088 
00095 #define GECODE_ES_CHECK(es) do {                        \
00096     ::Gecode::ExecStatus __es__ ## __LINE__ = (es);     \
00097     if (__es__ ## __LINE__ < ::Gecode::ES_OK)           \
00098       return __es__ ## __LINE__;                        \
00099   } while (0)
00100 
00107 #define GECODE_ES_FAIL(es) do {                                 \
00108     ::Gecode::ExecStatus __es__ ## __LINE__ = (es);             \
00109     assert(__es__ ## __LINE__ != ::Gecode::__ES_SUBSUMED);      \
00110     if (__es__ ## __LINE__ < ::Gecode::ES_OK) {                 \
00111       (home).fail(); return;                                    \
00112     }                                                           \
00113   } while (0)
00114 
00120 #define GECODE_REWRITE(prop,post) do {                                   \
00121   ::Gecode::Propagator& __p__ ## __LINE__ = (prop);                      \
00122   size_t __s__ ## __LINE__  = __p__ ## __LINE__.dispose(home);           \
00123   ::Gecode::ExecStatus __es__ ## __LINE__ = (post);                      \
00124   if (__es__ ## __LINE__ != ::Gecode::ES_OK)                             \
00125     return ::Gecode::ES_FAILED;                                          \
00126   return home.ES_SUBSUMED_DISPOSED(__p__ ## __LINE__,__s__ ## __LINE__); \
00127 } while (0)
00128 
00129 // STATISTICS: kernel-other