public override bool interpret()
{
//reduce Var to Multvar
if (topStack(ParseObject.MULTVAR, ParseObject.VAR))
{
MultVar mv = new MultVar();
MultVar mvo = (MultVar)stk.pop();
ParseVar v = (ParseVar)stk.pop();
mv.add(v);
ArrayList mvec = mvo.getVector();
for (int i = 0; i < mvec.Count; i++)
{
mv.add((ParseVar)mvec[i]);
}
stk.push(mv);
return(true);
}
else
{
return(false);
}
}
public override bool interpret()
{
if (topStack(ParseVar.VAR, ParseVar.MULTVAR))
{
//reduce Var MultVar to MultVar
ParseVar v = (ParseVar)stk.pop();
MultVar mv = (MultVar)stk.pop();
mv.add(v);
stk.push(mv);
return(true);
}
else
{
return(false);
}
}