internal Lexer(ILanguageDefinition languageDefinition)
{
LanguageDefinition = languageDefinition;
_Delegates = new TryReadDelegate[]
{
TryReadCharacterLiteral,
TryReadStringLiteral,
TryReadNumericLiteral,
TryReadWhiteSpace,
TryReadOperator,
TryReadIdentifier,
TryReadSingleChar,
};
_Operators = languageDefinition.Operators.ToDictionary(operatorDef => operatorDef.Text.ToCharArray());
_LookaheadCount = (byte)Math.Max(_Operators.Keys.Max(arr => arr.Length), _MIN_LOOKAHEAD_COUNT);
}
internal static T ReadOrThrow <T>(this AsnReader reader, Asn1Tag?tag, TryReadDelegate <T> tryRead)
{
return(tryRead(out var value, tag)
? value
: throw new AsnContentException());
}
