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tracer.cpp
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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, 2016
8 *
9 * This file is part of Gecode, the generic constraint
10 * development environment:
11 * http://www.gecode.org
12 *
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33
34#include <gecode/kernel.hh>
35
36namespace Gecode {
37
38 Support::Mutex TracerBase::m;
39
40
41 StdTracer::StdTracer(std::ostream& os0) : os(os0) {}
42
43 void
45 const PropagateTraceInfo& pti) {
46 os << "trace::" << pti << std::endl;
47 }
48
49 void
51 const CommitTraceInfo& cti) {
52 os << "trace::" << cti << std::endl
53 << '\t';
54 cti.brancher().print(home, cti.choice(), cti.alternative(), os);
55 os << std::endl;
56 }
57
58 void
60 const PostTraceInfo& pti) {
61 os << "trace::" << pti << std::endl;
62 }
63
65
66}
67
68// STATISTICS: kernel-trace
virtual void print(const Space &home, const Choice &c, unsigned int a, std::ostream &o) const
Print branch for choice c and alternative a.
Definition core.cpp:97
Commit trace information.
Definition core.hpp:1005
unsigned int alternative(void) const
Return alternative.
Definition core.hpp:3424
const Choice & choice(void) const
Return choice.
Definition core.hpp:3420
const Brancher & brancher(void) const
Return brancher.
Definition core.hpp:3416
Post trace information.
Definition core.hpp:1032
Propagate trace information.
Definition core.hpp:969
Computation spaces.
Definition core.hpp:1742
Default tracer.
Definition tracer.hpp:210
std::ostream & os
Output stream to use.
Definition tracer.hpp:213
StdTracer(std::ostream &os=std::cerr)
Initialize with output stream os.
Definition tracer.cpp:41
virtual void propagate(const Space &home, const PropagateTraceInfo &pti)
Propagate function.
Definition tracer.cpp:44
static StdTracer def
Default tracer (printing to std::cerr)
Definition tracer.hpp:242
virtual void commit(const Space &home, const CommitTraceInfo &cti)
Commit function.
Definition tracer.cpp:50
virtual void post(const Space &home, const PostTraceInfo &pti)
Post function.
Definition tracer.cpp:59
static Support::Mutex m
Mutex to provide synchronization.
Definition tracer.hpp:41
Gecode toplevel namespace