private void MatchExprUnary(out IExpr result)
{
TokenTypes t; // remember the type
t = curToken.Type;
if (t == TokenTypes.PLUS || t == TokenTypes.MINUS)
{
curToken = tokens.Extract();
}
MatchExprParen(out result);
if (t == TokenTypes.MINUS)
{
if (result.GetTypeCode() == TypeCode.Decimal)
{
result = new FunctionUnaryMinusDecimal(result);
}
else if (result.GetTypeCode() == TypeCode.Int32)
{
result = new FunctionUnaryMinusInteger(result);
}
else
{
result = new FunctionUnaryMinus(result);
}
}
}
private void MatchExprUnary(out IExpr result)
{
TokenTypes t; // remember the type
t = curToken.Type;
if (t == TokenTypes.PLUS || t == TokenTypes.MINUS)
{
curToken = tokens.Extract();
}
MatchExprParen(out result);
if (t == TokenTypes.MINUS)
{
if (result.GetTypeCode() == TypeCode.Decimal)
result = new FunctionUnaryMinusDecimal(result);
else if (result.GetTypeCode() == TypeCode.Int32)
result = new FunctionUnaryMinusInteger(result);
else
result = new FunctionUnaryMinus(result);
}
}