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//static const char* sccsid = "@(#)ExprIntrp_GenRel.cxx 3.2 95/01/10"; // Do not delete this line. Used by sccs.
// Copyright: Matra-Datavision 1992
// File: ExprIntrp_GenRel.cxx
// Created: Tue Aug 18 11:33:52 1992
// Author: Arnaud BOUZY
// <adn>
#include <ExprIntrp_GenRel.ixx>
#include <ExprIntrp.hxx>
#include <ExprIntrp_yaccanal.hxx>
#include <Standard_NoSuchObject.hxx>
ExprIntrp_GenRel::ExprIntrp_GenRel ()
{
done = Standard_False;
}
Handle( ExprIntrp_GenRel ) ExprIntrp_GenRel::Create()
{
return new ExprIntrp_GenRel();
}
void ExprIntrp_GenRel::Process (const TCollection_AsciiString& str)
{
Handle(ExprIntrp_GenRel) me = this;
done = Standard_False;
if (ExprIntrp::Parse(me,str)) {
if (!ExprIntrp_Recept.IsRelStackEmpty()) {
myRelation = ExprIntrp_Recept.PopRelation();
done = Standard_True;
}
else {
myRelation.Nullify();
}
}
else {
myRelation.Nullify();
}
}
Standard_Boolean ExprIntrp_GenRel::IsDone() const
{
return done;
}
Handle(Expr_GeneralRelation) ExprIntrp_GenRel::Relation () const
{
if (!done) {
Standard_NoSuchObject::Raise();
}
return myRelation;
}
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