protected override void AddParsedOp(TOperator op)
{
TBaseParsedToken OpToken = TParsedTokenListBuilder.GetParsedOp(op);
if (OpToken is TUnsupportedToken)
{
DoError(FlxErr.ErrFormulaInvalid, 2);
}
else
{
Push(OpToken);
}
}
public new static TLeftExpression LeftClaim(StringClaimer claimer, TExpression left)
{
Claim failTo = claimer.FailPoint();
TOperator operand = TOperator.Claim(claimer);
if (operand == null)
{
failTo.Fail();
return(null);
}
TExpression right = TExpression.Claim(claimer);
if (right == null)
{
failTo.Fail();
return(null);
}
TArithmetic newArith = new TArithmetic
{
_leftArg = left,
_rightArg = right,
_op = operand
};
if (!(right is TLeftExpression t) || t.GetAssociativity() == Associativity.Na)
{
return(newArith);
}
int prec = operand.GetPrecedence();
int rPrec = t.GetPrecedence();
if (prec >= rPrec && (prec != rPrec || operand.GetAssociativity() != Associativity.LeftToRight))
{
return(newArith);
}
newArith._rightArg = t.GetLeft();
t.SetLeft(newArith);
return(t);
}
/// <summary>
/// Creates a new operator token.
/// </summary>
/// <param name="aOperator">Type of operator.</param>
public TTokenOperator(TOperator aOperator) : base(TTokenType.Operator)
{
Operator = aOperator;
}
protected static void AddParsedOp(TParsedTokenListBuilder TokenBuilder, TOperator op)
{
Push(TokenBuilder, TParsedTokenListBuilder.GetParsedOp(op));
}