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fzn-gecode.cpp
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1/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
2/*
3 * Main authors:
4 * Guido Tack <tack@gecode.org>
5 *
6 * Copyright:
7 * Guido Tack, 2007
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
34#include <iostream>
35#include <fstream>
36#include <gecode/flatzinc.hh>
37
38using namespace std;
39using namespace Gecode;
40
41int main(int argc, char** argv) {
42
43 Support::Timer t_total;
44 t_total.start();
45 FlatZinc::FlatZincOptions opt("Gecode/FlatZinc");
46 opt.parse(argc, argv);
47
48 if (argc!=2) {
49 cerr << "Usage: " << argv[0] << " [options] <file>" << endl;
50 cerr << " " << argv[0] << " -help for more information" << endl;
51 exit(EXIT_FAILURE);
52 }
53
54 const char* filename = argv[1];
55 opt.name(filename);
56
58 FlatZinc::FlatZincSpace* fg = NULL;
59 Rnd rnd(opt.seed());
60 try {
61 if (!strcmp(filename, "-")) {
62 fg = FlatZinc::parse(cin, p, std::cerr, NULL, rnd);
63 } else {
64 fg = FlatZinc::parse(filename, p, std::cerr, NULL, rnd);
65 }
66
67 if (fg) {
68 fg->createBranchers(p, fg->solveAnnotations(), opt,
69 false, std::cerr);
70 fg->shrinkArrays(p);
71 if (opt.output()) {
72 std::ofstream os(opt.output());
73 if (!os.good()) {
74 std::cerr << "Could not open file " << opt.output() << " for output."
75 << std::endl;
76 exit(EXIT_FAILURE);
77 }
78 fg->run(os, p, opt, t_total);
79 os.close();
80 } else {
81 fg->run(std::cout, p, opt, t_total);
82 }
83 } else {
84 exit(EXIT_FAILURE);
85 }
86 delete fg;
87 } catch (FlatZinc::Error& e) {
88 std::cerr << "Error: " << e.toString() << std::endl;
89 return 1;
90 }
91
92 return 0;
93}
94
95// STATISTICS: flatzinc-any
Exception class for FlatZinc errors
Definition flatzinc.hh:667
const std::string & toString(void) const
Definition flatzinc.hh:673
Options for running FlatZinc models
Definition flatzinc.hh:226
A space that can be initialized with a FlatZinc model.
Definition flatzinc.hh:430
void createBranchers(Printer &p, AST::Node *ann, FlatZincOptions &opt, bool ignoreUnknown, std::ostream &err=std::cerr)
Create branchers corresponding to the solve item annotations.
void shrinkArrays(Printer &p)
Remove all variables not needed for output.
void run(std::ostream &out, const Printer &p, const FlatZincOptions &opt, Gecode::Support::Timer &t_total)
Run the search.
AST::Array * solveAnnotations(void) const
Return the solve item annotations.
Output support class for FlatZinc interpreter.
Definition flatzinc.hh:107
Random number generator.
Definition rnd.hpp:42
void start(void)
Start timer.
Definition timer.hpp:66
void parse(int argc, char *argv[])
Parse commandline arguments.
Definition test.cpp:120
unsigned int seed
The random seed to be used.
Definition test.hh:79
int main(int argc, char **argv)
GECODE_FLATZINC_EXPORT FlatZincSpace * parse(const std::string &fileName, Printer &p, std::ostream &err=std::cerr, FlatZincSpace *fzs=NULL, Rnd &rnd=defrnd)
Parse FlatZinc file fileName into fzs and return it.
Gecode toplevel namespace