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macros.hpp
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1 /* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2 /*
3  * Main authors:
4  * Christian Schulte <schulte@gecode.org>
5  *
6  * Copyright:
7  * Christian Schulte, 2004
8  *
9  * This file is part of Gecode, the generic constraint
10  * development environment:
11  * http://www.gecode.org
12  *
13  * Permission is hereby granted, free of charge, to any person obtaining
14  * a copy of this software and associated documentation files (the
15  * "Software"), to deal in the Software without restriction, including
16  * without limitation the rights to use, copy, modify, merge, publish,
17  * distribute, sublicense, and/or sell copies of the Software, and to
18  * permit persons to whom the Software is furnished to do so, subject to
19  * the following conditions:
20  *
21  * The above copyright notice and this permission notice shall be
22  * included in all copies or substantial portions of the Software.
23  *
24  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
25  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
26  * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
27  * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
28  * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
29  * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
30  * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
31  *
32  */
33 
40 #define GECODE_POST \
41  if (home.failed()) return; \
42  ::Gecode::PostInfo __gecode__pi(home);
43 
44 
52 #define GECODE_ME_CHECK(me) do { \
53  if (::Gecode::me_failed(me)) \
54  return ::Gecode::ES_FAILED; \
55  } while (0)
56 
64 #define GECODE_ME_CHECK_MODIFIED(modified, me) do { \
65  ::Gecode::ModEvent __me__ ## __LINE__ = (me); \
66  if (::Gecode::me_failed(__me__ ## __LINE__)) \
67  return ::Gecode::ES_FAILED; \
68  modified |= ::Gecode::me_modified(__me__ ## __LINE__); \
69  } while (0)
70 
77 #define GECODE_ME_FAIL(me) do { \
78  if (::Gecode::me_failed(me)) { \
79  (home).fail(); \
80  return; \
81  }} while (0)
82 
83 
84 
91 #define GECODE_ES_CHECK(es) do { \
92  ::Gecode::ExecStatus __es__ ## __LINE__ = (es); \
93  if (__es__ ## __LINE__ < ::Gecode::ES_OK) \
94  return __es__ ## __LINE__; \
95  } while (0)
96 
103 #define GECODE_ES_FAIL(es) do { \
104  ::Gecode::ExecStatus __es__ ## __LINE__ = (es); \
105  assert(__es__ ## __LINE__ != ::Gecode::__ES_SUBSUMED); \
106  if (__es__ ## __LINE__ < ::Gecode::ES_OK) { \
107  (home).fail(); return; \
108  } \
109  } while (0)
110 
116 #define GECODE_REWRITE(prop,post) do { \
117  ::Gecode::Propagator& __p__ ## __LINE__ = (prop); \
118  size_t __s__ ## __LINE__ = __p__ ## __LINE__.dispose(home); \
119  ::Gecode::ExecStatus __es__ ## __LINE__ = (post); \
120  if (__es__ ## __LINE__ != ::Gecode::ES_OK) \
121  return ::Gecode::ES_FAILED; \
122  return home.ES_SUBSUMED_DISPOSED(__p__ ## __LINE__,__s__ ## __LINE__); \
123 } while (0)
124 
125 // STATISTICS: kernel-other