private static ILexerRule CreateWhitespaceLexerRule()
{
var whitespaceTerminal = new WhitespaceTerminal();
var startWhitespace = new DfaState();
var finalWhitespace = new DfaState(true);
startWhitespace.AddEdge(new DfaEdge(whitespaceTerminal, finalWhitespace));
finalWhitespace.AddEdge(new DfaEdge(whitespaceTerminal, finalWhitespace));
var whitespace = new DfaLexerRule(startWhitespace, new TokenType("whitespace"));
return whitespace;
}
private static ILexerRule CreateRuleNameLexerRule()
{
var ruleNameState = new DfaState();
var zeroOrMoreLetterOrDigit = new DfaState(true);
ruleNameState.AddEdge(
new DfaEdge(
new CharacterClassTerminal(
new RangeTerminal('a', 'z'),
new RangeTerminal('A', 'Z')),
zeroOrMoreLetterOrDigit));
zeroOrMoreLetterOrDigit.AddEdge(
new DfaEdge(
new CharacterClassTerminal(
new RangeTerminal('a', 'z'),
new RangeTerminal('A', 'Z'),
new DigitTerminal(),
new SetTerminal('-', '_')),
zeroOrMoreLetterOrDigit));
var ruleName = new DfaLexerRule(ruleNameState, new TokenType("rule-name"));
return ruleName;
}
