public override ILexer <LeastSignificantInt32> Create()
{
// ":"
var b = Terminal.Create(@":", StringComparer.Ordinal);
// h16 ":" h16
var int16Lexer = HexadecimalInt16LexerFactory.Create();
var c = Concatenation.Create(int16Lexer, b, int16Lexer);
// ( h16 ":" h16 ) / IPv4address
var ipv4Lexer = Ipv4AddressLexerFactory.Create();
var e = Alternation.Create(c, ipv4Lexer);
// ls32
return(new LeastSignificantInt32Lexer(e));
}
public override ILexer <IPv6Address> Create()
{
// ":"
var colon = Terminal.Create(@":", StringComparer.Ordinal);
// "::"
var collapse = Terminal.Create(@"::", StringComparer.Ordinal);
// h16 ":"
var int16Lexer = HexadecimalInt16LexerFactory.Create();
var h16c = Concatenation.Create(int16Lexer, colon);
// h16-2
var h16c2 =
Alternation.Create(
Concatenation.Create(int16Lexer, colon, int16Lexer),
int16Lexer);
// h16-3
var h16c3 =
Alternation.Create(
Concatenation.Create(Repetition.Create(h16c, 0, 2), int16Lexer),
h16c2);
// h16-4
var h16c4 =
Alternation.Create(
Concatenation.Create(Repetition.Create(h16c, 0, 3), int16Lexer),
h16c3);
// h16-5
var h16c5 =
Alternation.Create(
Concatenation.Create(Repetition.Create(h16c, 0, 4), int16Lexer),
h16c4);
// h16-6
var h16c6 =
Alternation.Create(
Concatenation.Create(Repetition.Create(h16c, 0, 5), int16Lexer),
h16c5);
// h16-7
var h16c7 =
Alternation.Create(
Concatenation.Create(Repetition.Create(h16c, 0, 6), int16Lexer),
h16c6);
// 6( h16 ":" ) ls32
var significantInt32Lexer = LeastSignificantInt32LexerFactory.Create();
var alternation1 = Concatenation.Create(
Repetition.Create(h16c, 6, 6),
significantInt32Lexer);
// "::" 5( h16 ":" ) ls32
var alternation2 = Concatenation.Create(
collapse,
Repetition.Create(h16c, 5, 5),
significantInt32Lexer);
// [ h16 ] "::" 4( h16 ":" ) ls32
var alternation3 = Concatenation.Create(
Option.Create(int16Lexer),
collapse,
Repetition.Create(h16c, 4, 4),
significantInt32Lexer);
// [ h16-2 ] "::" 3( h16 ":" ) ls32
var alternation4 = Concatenation.Create(
Option.Create(h16c2),
collapse,
Repetition.Create(h16c, 3, 3),
significantInt32Lexer);
// [ h16-3 ] "::" 2( h16 ":" ) ls32
var alternation5 = Concatenation.Create(
Option.Create(h16c3),
collapse,
Repetition.Create(h16c, 2, 2),
significantInt32Lexer);
// [ h16-4 ] "::" h16 ":" ls32
var alternation6 = Concatenation.Create(
Option.Create(h16c4),
collapse,
int16Lexer,
colon,
significantInt32Lexer);
// [ h16-5 ] "::" ls32
var alternation7 = Concatenation.Create(
Option.Create(h16c5),
collapse,
significantInt32Lexer);
// [ h16-6 ] "::" h16
var alternation8 = Concatenation.Create(
Option.Create(h16c6),
collapse,
int16Lexer);
// [ h16-7 ] "::"
var alternation9 = Concatenation.Create(Option.Create(h16c7), collapse);
var innerLexer = Alternation.Create(
alternation1,
alternation2,
alternation3,
alternation4,
alternation5,
alternation6,
alternation7,
alternation8,
alternation9);
return(new IPv6AddressLexer(innerLexer));
}
