/// <summary>
/// A parser which parses a floating point number without a sign.
/// The resulting <c>double</c> is not checked for overflow.
/// </summary>
/// <returns>A parser which parses a floating point number without a sign.</returns>
public static Parser <char, double> UnsignedReal()
=> Map(
(integerPart, _, decimalPart) => integerPart.HasValue ? integerPart.Value + decimalPart : decimalPart,
UnsignedInt(10).Optional(),
Char('.'),
DigitCharDouble().ChainAtLeastOnceL(
() =>
{
var sb = new PooledList <char>();
sb.Add('.');
return(sb);
},
(sb, c) =>
{ sb.Add(c); return(sb); }
).Select(sb =>
{
ReadOnlySpan <char> csp = sb.AsSpan();
double x = 0.0;
x = Double.Parse(csp.ToString(), System.Globalization.NumberStyles.Float);
sb.Clear();
return(x);
}
)
);
public void AddExpected(Expected <TToken> expected)
{
_expecteds.Add(expected);
}
public void BeginExpectedTran()
{
_expectedBookmarks.Add(_expecteds.Count);
}
public void Apply(T value)
{
_list.Add(value);
}
public void PushBookmark()
{
_bookmarks.Add(Location);
}