/usr/include/scilab/whileexp.hxx is in scilab-include 6.0.1-1ubuntu1.
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* Scilab ( http://www.scilab.org/ ) - This file is part of Scilab
* Copyright (C) 2007-2008 - DIGITEO - Bruno JOFRET
*
* Copyright (C) 2012 - 2016 - Scilab Enterprises
*
* This file is hereby licensed under the terms of the GNU GPL v2.0,
* pursuant to article 5.3.4 of the CeCILL v.2.1.
* This file was originally licensed under the terms of the CeCILL v2.1,
* and continues to be available under such terms.
* For more information, see the COPYING file which you should have received
* along with this program.
*
*/
/**
** \file ast/whileexp.hxx
** Define the While Expression class.
*/
#ifndef AST_WHILEEXP_HXX
#define AST_WHILEEXP_HXX
#include "controlexp.hxx"
namespace ast
{
/** \brief Abstract a For Expression node.
**
** \b Example: while (2097 <> 1) do print("WipeOut") */
class WhileExp : public ControlExp
{
/** \name Ctor & dtor.
** \{ */
public:
/** \brief Construct a While Expression node.
** \param location scanner position informations
** \param test exit condition of the loop
** \param body instructions executed in the loop
**
** \b Example: while (2097 <> 1) do print("WipeOut")
** \li "(2097 <> 1)" is the exit condition (allways true here)
** \li "print("WipeOut")" body of the loop
*/
WhileExp (const Location& location,
Exp& test, SeqExp& body)
: ControlExp (location)
{
test.setParent(this);
body.setParent(this);
_exps.push_back(&test);
_exps.push_back(body.getAs<Exp>());
//set capabilities flags @init instead of each calls.
body.setBreakable();
body.setContinuable();
}
/** \brief Destroy a While Expression node.
**
** Delete test and body (see constructor). */
virtual ~WhileExp ()
{
}
/** \}*/
virtual WhileExp* clone()
{
WhileExp* cloned = new WhileExp(getLocation(), *getTest().clone(), *getBody().clone()->getAs<SeqExp>());
cloned->setVerbose(isVerbose());
return cloned;
}
/** \name Visitors entry point.
** \{ */
public:
/** \brief Accept a const visitor \a v. */
virtual void accept (Visitor& v)
{
v.visit (*this);
}
/** \brief Accept a non-const visitor \a v. */
virtual void accept (ConstVisitor& v) const
{
v.visit (*this);
}
/** \} */
/** \name Accessors.
** \{ */
public:
/** \brief Return the exit condition of the loop (read only). */
const Exp& getTest() const
{
return *_exps[0];
}
/** \brief Return the exit condition of the loop (read and write). */
Exp& getTest()
{
return *_exps[0];
}
/** \brief Return the body of the loop (read only). */
const Exp& getBody() const
{
return *_exps[1];
}
/** \brief Return the body of the loop (read and write). */
Exp& getBody()
{
return *_exps[1];
}
/** \} */
virtual ExpType getType() const
{
return WHILEEXP;
}
inline bool isWhileExp() const
{
return true;
}
};
} // namespace ast
#endif // !AST_WHILEEXP_HXX
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