public string BaseToPrefix(NumberLiteralBase @base)
{
string prefix;
if (baseToPrefix.TryGetValue(@base, out prefix))
{
return(prefix);
}
else if (@base == defaultNumberLiteralBase)
{
return(string.Empty);
}
else
{
throw new UnparseException(string.Format("NumberLiteral error: no prefix for non-default base '{0}'", @base));
}
}
public NumberLiteralInfo AddPrefix(string prefix, NumberLiteralBase @base)
{
if (NumberLiteral != null)
{
NumberLiteral.AddPrefix(prefix, NumberLiteralBaseToNumberOptions(@base));
}
prefixToBase.Add(prefix, @base);
// the same base can belong to different prefixes -> we store the first prefix into the baseToPrefix dictionary
if (!baseToPrefix.ContainsKey(@base))
{
baseToPrefix.Add(@base, prefix);
}
ClearSortedPrefixesByDescLength();
return(this);
}
private static NumberOptions NumberLiteralBaseToNumberOptions(NumberLiteralBase @base)
{
switch (@base)
{
case NumberLiteralBase.Decimal:
return(NumberOptions.Default);
case NumberLiteralBase.Hexadecimal:
return(NumberOptions.Hex);
case NumberLiteralBase.Octal:
return(NumberOptions.Octal);
case NumberLiteralBase.Binary:
return(NumberOptions.Binary);
default:
throw new ArgumentException("Unknown numberLiteralBase: " + @base, "@base");
}
}
public static BnfiTermConversion <TNumberLiteral> IntroNumberLiteral <TNumberLiteral>(NumberLiteral numberLiteral, NumberLiteralInfo numberLiteralInfo)
where TNumberLiteral : INumberLiteral, new()
{
var _numberLiteral = Intro(
numberLiteral,
(context, parseNode) =>
{
string tokenText = parseNode.FindTokenAndGetText();
bool hasExplicitTypeModifier = numberLiteralInfo.HasTokenTextExplicitTypeSuffix(tokenText);
NumberLiteralBase @base = numberLiteralInfo.GetBaseFromTokenText(tokenText);
return(new TNumberLiteral()
{
Value = parseNode.FindToken().Value, HasExplicitTypeModifier = hasExplicitTypeModifier, Base = @base
});
},
NoUnparseByInverse <TNumberLiteral>(),
astForChild: false
);
_numberLiteral.UtokenizerForUnparse = (formatProvider, reference, astValue) => numberLiteralInfo.NumberLiteralToText(reference, formatProvider);
return(_numberLiteral.MarkLiteral());
}
public string BaseToPrefix(NumberLiteralBase @base)
{
string prefix;
if (baseToPrefix.TryGetValue(@base, out prefix))
return prefix;
else if (@base == defaultNumberLiteralBase)
return string.Empty;
else
throw new UnparseException(string.Format("NumberLiteral error: no prefix for non-default base '{0}'", @base));
}
private static NumberOptions NumberLiteralBaseToNumberOptions(NumberLiteralBase @base)
{
switch (@base)
{
case NumberLiteralBase.Decimal:
return NumberOptions.Default;
case NumberLiteralBase.Hexadecimal:
return NumberOptions.Hex;
case NumberLiteralBase.Octal:
return NumberOptions.Octal;
case NumberLiteralBase.Binary:
return NumberOptions.Binary;
default:
throw new ArgumentException("Unknown numberLiteralBase: " + @base, "@base");
}
}
public NumberLiteralInfo AddPrefix(string prefix, NumberLiteralBase @base)
{
if (NumberLiteral != null)
NumberLiteral.AddPrefix(prefix, NumberLiteralBaseToNumberOptions(@base));
prefixToBase.Add(prefix, @base);
// the same base can belong to different prefixes -> we store the first prefix into the baseToPrefix dictionary
if (!baseToPrefix.ContainsKey(@base))
baseToPrefix.Add(@base, prefix);
ClearSortedPrefixesByDescLength();
return this;
}
