public override IToken TakeToken(Position pos)
{
if (Check(pos))
{
Position start = new Position(pos);
Utills.MoveWhile(pos, varPr);
string strToken = Position.CreateString(start, pos);
// Specificate indentificator
if (FunctionCheck(strToken))
{
return(new FuncNameToken(strToken));
}
else if (ConstantCheck(strToken))
{
return(new ConstantToken(strToken));
}
else
{
return(new VariableToken(strToken));
}
}
else
{
Exception ex = new Exception("Cannot take the token");
ex.Source = "IdentifierReader";
throw ex;
}
}
public override void Visit(IBinaryOpToken t)
{
// Get operators with lower or equal priority
List <IToken> lowOperators = Utills.MoveWhile(t, m_operators, m_priorityPr);
// Add operators to the result(RPN) list
m_resultTokens.AddRange(lowOperators);
m_operators.Push(t);
}
public override IToken TakeToken(Position pos)
{
if (Check(pos))
{
Position start = new Position(pos);
// Main part of the number
Utills.MoveWhile(pos, digitPr);
// Fraction part of the number
Utills.MoveWhile(pos, numSeparatorPr);
Utills.MoveWhile(pos, digitPr);
return(new NumberToken(Position.CreateString(start, pos)));
}
else
{
Exception ex = new Exception("Cannot take the token");
ex.Source = "NumberReader";
throw ex;
}
}