varspec.hh
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/* -*- mode: C++; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
* Main authors:
* Guido Tack <tack@gecode.org>
*
* Copyright:
* Guido Tack, 2007
*
* Last modified:
* $Date: 2010-07-02 19:18:43 +1000 (Fri, 02 Jul 2010) $ by $Author: tack $
* $Revision: 11149 $
*
* This file is part of Gecode, the generic constraint
* development environment:
* http://www.gecode.org
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __GECODE_FLATZINC_VARSPEC__HH__
#define __GECODE_FLATZINC_VARSPEC__HH__
#include "option.hh"
#include "ast.hh"
#include <vector>
#include <iostream>
namespace FlatZinc {
/// %Alias for a variable specification
class Alias {
public:
const int v;
Alias(int v0) : v(v0) {}
};
/// Base class for variable specifications
class VarSpec {
public:
/// Whether the variable was introduced in the mzn2fzn translation
bool introduced;
/// Destructor
virtual ~VarSpec(void) {}
/// Variable index
int i;
/// Whether the variable aliases another variable
bool alias;
/// Whether the variable is assigned
bool assigned;
/// Constructor
VarSpec(bool introduced0) : introduced(introduced0) {}
};
/// Specification for integer variables
class IntVarSpec : public VarSpec {
public:
Option<AST::SetLit* > domain;
IntVarSpec(const Option<AST::SetLit* >& d, bool introduced)
: VarSpec(introduced) {
alias = false;
assigned = false;
domain = d;
}
IntVarSpec(int i0, bool introduced) : VarSpec(introduced) {
alias = false; assigned = true; i = i0;
}
IntVarSpec(const Alias& eq, bool introduced) : VarSpec(introduced) {
alias = true; i = eq.v;
}
~IntVarSpec(void) {
if (!alias && !assigned && domain())
delete domain.some();
}
};
/// Specification for Boolean variables
class BoolVarSpec : public VarSpec {
public:
Option<AST::SetLit* > domain;
BoolVarSpec(Option<AST::SetLit* >& d, bool introduced)
: VarSpec(introduced) {
alias = false; assigned = false; domain = d;
}
BoolVarSpec(bool b, bool introduced) : VarSpec(introduced) {
alias = false; assigned = true; i = b;
}
BoolVarSpec(const Alias& eq, bool introduced) : VarSpec(introduced) {
alias = true; i = eq.v;
}
~BoolVarSpec(void) {
if (!alias && !assigned && domain())
delete domain.some();
}
};
/// Specification for floating point variables
class FloatVarSpec : public VarSpec {
public:
Option<std::vector<double>* > domain;
FloatVarSpec(Option<std::vector<double>* >& d, bool introduced)
: VarSpec(introduced) {
alias = false; assigned = false; domain = d;
}
FloatVarSpec(bool b, bool introduced) : VarSpec(introduced) {
alias = false; assigned = true; i = b;
}
FloatVarSpec(const Alias& eq, bool introduced) : VarSpec(introduced) {
alias = true; i = eq.v;
}
~FloatVarSpec(void) {
if (!alias && !assigned && domain())
delete domain.some();
}
};
/// Specification for set variables
class SetVarSpec : public VarSpec {
public:
Option<AST::SetLit*> upperBound;
SetVarSpec(bool introduced) : VarSpec(introduced) {
alias = false; assigned = false;
upperBound = Option<AST::SetLit* >::none();
}
SetVarSpec(const Option<AST::SetLit* >& v, bool introduced)
: VarSpec(introduced) {
alias = false; assigned = false; upperBound = v;
}
SetVarSpec(AST::SetLit* v, bool introduced) : VarSpec(introduced) {
alias = false; assigned = true;
upperBound = Option<AST::SetLit*>::some(v);
}
SetVarSpec(const Alias& eq, bool introduced) : VarSpec(introduced) {
alias = true; i = eq.v;
}
~SetVarSpec(void) {
if (!alias && upperBound())
delete upperBound.some();
}
};
}
#endif
// STATISTICS: flatzinc-any