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// This file is part of ff3d - http://www.freefem.org/ff3d
// Copyright (C) 2001, 2002, 2003 Stphane Del Pino
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2, or (at your option)
// any later version.
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software Foundation,
// Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
// $Id: UnknownListExpression.hpp,v 1.5 2004/12/31 14:00:47 delpinux Exp $
#ifndef UNKNOWNLIST_EXPRESSION_HPP
#define UNKNOWNLIST_EXPRESSION_HPP
#include <Expression.hpp>
#include <Variable.hpp>
#include <FunctionExpression.hpp>
#include <Stringify.hpp>
#include <ErrorHandler.hpp>
#include <list>
/*!
\class UnknownlistExpression
This class defines the base class of Unknownlist expressions.
\author Stephane Del Pino
*/
class UnknownListExpression
: public Expression
{
public:
typedef std::list<ReferenceCounting<FunctionExpressionVariable> > listType;
typedef listType::iterator iterator;
typedef listType::const_iterator const_iterator;
virtual UnknownListExpression::iterator begin() = 0;
virtual UnknownListExpression::const_iterator begin() const = 0;
virtual UnknownListExpression::const_iterator end() const = 0;
virtual const size_t size() const = 0;
virtual const size_t
number(ReferenceCounting<FunctionVariable>) const = 0;
UnknownListExpression()
: Expression(Expression::unknownList)
{
;
}
UnknownListExpression(const UnknownListExpression& u)
: Expression(u)
{
;
}
virtual ~UnknownListExpression()
{
;
}
};
/*
class UnknownListExpressionVariable
: public UnknownListExpression
{
private:
ReferenceCounting<UnknownListVariable> __unknownlistVariable;
std::ostream& put(std::ostream& os) const
{
os << (*__unknownlistVariable).name() << ": " << (*(*__unknownlistVariable).expression());
return os;
}
public:
void execute()
{
;
}
UnknownListExpressionVariable(ReferenceCounting<UnknownListVariable> r);
UnknownListExpressionVariable(const UnknownListExpressionVariable& e);
~UnknownListExpressionVariable();
};
*/
class UnknownListExpressionSet
: public UnknownListExpression
{
protected:
listType __list;
private:
std::ostream& put(std::ostream& os) const;
public:
UnknownListExpressionSet::listType::iterator begin()
{
return __list.begin();
}
UnknownListExpressionSet::listType::const_iterator begin() const
{
return __list.begin();
}
UnknownListExpressionSet::listType::const_iterator end() const
{
return __list.end();
}
inline const size_t size() const
{
return __list.size();
}
inline const size_t number(ReferenceCounting<FunctionVariable> f) const
{
size_t n = 0;
for(listType::const_iterator i = __list.begin(); i != __list.end(); ++i) {
if ((*(*i)).variable() == f) {
return n;
}
++n;
}
const std::string errorMsg
= stringify((*f).name())+" is not a variable of the unkown list";
throw ErrorHandler(__FILE__,__LINE__,
errorMsg,
ErrorHandler::normal);
return 0;
}
listType& giveList()
{
return __list;
}
void add(ReferenceCounting<FunctionExpressionVariable> u)
{
for (listType::const_iterator i = __list.begin();
i != __list.end(); ++i) {
if (*i == u) {
const std::string errorMsg
= stringify(*u)+" has been declared twice in unknown list";
throw ErrorHandler(__FILE__,__LINE__,
errorMsg,
ErrorHandler::normal);
}
}
__list.push_back(u);
}
void execute()
{
;
}
//! Checks that variables are declared and does it if not.
void unknownsDeclare();
//! Make unknowns become standard functions.
void unknownsUndeclare();
UnknownListExpressionSet()
: UnknownListExpression()
{
;
}
UnknownListExpressionSet(const UnknownListExpressionSet& l)
: UnknownListExpression(l),
__list(l.__list)
{
;
}
~UnknownListExpressionSet()
{
;
}
};
#endif // UNKNOWNLIST_EXPRESSION_HPP
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