/// <inheritdoc />
public ILexer <Bit> Create()
{
var bit0TerminalLexer = terminalLexerFactory.Create("0", StringComparer.Ordinal);
var bit1TerminalLexer = terminalLexerFactory.Create("1", StringComparer.Ordinal);
var bitAlternativeLexer = alternativeLexerFactory.Create(bit0TerminalLexer, bit1TerminalLexer);
return(new BitLexer(bitAlternativeLexer));
}
public ILexer <Sign> Create()
{
var plusLexer = terminalLexerFactory.Create("+", StringComparer.Ordinal);
var minusLexer = terminalLexerFactory.Create("-", StringComparer.Ordinal);
var plusOrMinusLexer = alternativeLexerFactory.Create(plusLexer, minusLexer);
return(new SignLexer(plusOrMinusLexer));
}
/// <inheritdoc />
public ILexer <ControlCharacter> Create()
{
var controlsValueRange = valueRangeLexerFactory.Create('\x00', '\x1F');
var delete = terminalLexerFactory.Create("\x7F", StringComparer.Ordinal);
var controlCharacterAlternativeLexer = alternativeLexerFactory.Create(controlsValueRange, delete);
return(new ControlCharacterLexer(controlCharacterAlternativeLexer));
}
/// <inheritdoc />
public ILexer <WhiteSpace> Create()
{
var sp = spaceLexerFactory.Create();
var htab = horizontalTabLexerFactory.Create();
var innerLexer = alternativeLexerFactory.Create(sp, htab);
return(new WhiteSpaceLexer(innerLexer));
}
/// <inheritdoc />
public ILexer <LinearWhiteSpace> Create()
{
var endOfLineLexer = endOfLineLexerFactory.Create();
var whiteSpaceLexer = whiteSpaceLexerFactory.Create();
var foldLexer = concatenationLexerFactory.Create(endOfLineLexer, whiteSpaceLexer);
var breakingWhiteSpaceLexer = alternativeLexerFactory.Create(whiteSpaceLexer, foldLexer);
var innerLexer = repetitionLexerFactory.Create(breakingWhiteSpaceLexer, 0, int.MaxValue);
return(new LinearWhiteSpaceLexer(innerLexer));
}
/// <inheritdoc />
public ILexer <Alpha> Create()
{
var upperCaseValueRangeLexer = valueRangeLexerFactory.Create('\x41', '\x5A');
var lowerCaseValueRangeLexer = valueRangeLexerFactory.Create('\x61', '\x7A');
var upperOrLowerCaseAlphaLexer = alternativeLexerFactory.Create(
upperCaseValueRangeLexer,
lowerCaseValueRangeLexer);
return(new AlphaLexer(upperOrLowerCaseAlphaLexer));
}
/// <inheritdoc />
public ILexer <HexadecimalDigit> Create()
{
var hexadecimalDigitAlternativeLexer = alternativeLexerFactory.Create(
digitLexerFactory.Create(),
terminalLexerFactory.Create("A", StringComparer.OrdinalIgnoreCase),
terminalLexerFactory.Create("B", StringComparer.OrdinalIgnoreCase),
terminalLexerFactory.Create("C", StringComparer.OrdinalIgnoreCase),
terminalLexerFactory.Create("D", StringComparer.OrdinalIgnoreCase),
terminalLexerFactory.Create("E", StringComparer.OrdinalIgnoreCase),
terminalLexerFactory.Create("F", StringComparer.OrdinalIgnoreCase));
return(new HexadecimalDigitLexer(hexadecimalDigitAlternativeLexer));
}