NumberPtr Number::Read(Input &input)
{
Integer ten(10);
auto_ptr<Integer> intValue(new Integer);
while(input.Current() >= '0' && input.Current() <= '9')
{
Integer digit(input.Current() - '0');
intValue = intValue->Times(&ten)->Plus(&digit);
input.Next();
}
// Process part after decimal separator
if(input.Current() == '.')
{
// Cast the current value to float (just to prevent compiler warning)
auto_ptr<MachineReal> realValue(new MachineReal(intValue));
input.Next();
auto_ptr<MachineReal> factor(new MachineReal(1.0));
MachineReal tenth(0.1);
while(input.Current() >= '0' && input.Current() <= '9')
{
MachineReal digit(input.Current() - '0');
factor = factor->Times(&tenth);
realValue = realValue->Plus(factor->Times(&digit).get());
input.Next();
}
return NumberPtr(realValue);
}
else
return NumberPtr(intValue);
}
NumberPtr Parser::parseNumber()
{
Token numberValue = m_curToken;
if (!match(TokenType::Number)) {
reportError(ErrorCodes::ExpectedNumber);
return NumberPtr();
}
NumberPtr number(new Number);
number->value = numberValue;
return number;
}
NumberPtr make_number(double value)
{
return NumberPtr(new Number(value));
}
NumberPtr NullFactory::createNumber() const {
return NumberPtr(new Number(0));
}
