private static ILexerRule CreateNotSingleQuoteLexerRule()
{
var start = new DfaState();
var final = new DfaState(true);
var terminal = new NegationTerminal(new Terminal('\''));
var edge = new DfaEdge(terminal, final);
start.AddEdge(edge);
final.AddEdge(edge);
return new DfaLexerRule(start, new TokenType("not-single-quote"));
}
private static ILexerRule CreateNotDoubleQuoteLexerRule()
{
// ( [^"\\] | (\\ .) ) +
var start = new DfaState();
var escape = new DfaState();
var final = new DfaState(true);
var notQuoteTerminal = new NegationTerminal(
new SetTerminal('"', '\\'));
var escapeTerminal = new Terminal('\\');
var anyTerminal = new AnyTerminal();
var notQuoteEdge = new DfaEdge(notQuoteTerminal, final);
start.AddEdge(notQuoteEdge);
final.AddEdge(notQuoteEdge);
var escapeEdge = new DfaEdge(escapeTerminal, escape);
start.AddEdge(escapeEdge);
final.AddEdge(escapeEdge);
var anyEdge = new DfaEdge(anyTerminal, final);
escape.AddEdge(anyEdge);
return new DfaLexerRule(start, new TokenType("not-double-quote"));
}
