public DfaTableWriter(Dfa dfa,
ITableWriterFactory tableWriterFactory,
ISyntaxErrorHandler syntaxErrorHandler)
{
this.dfa = dfa ?? throw new ArgumentNullException(nameof(dfa));
classWriter = tableWriterFactory.CreateClassWriter();
var tableFactory = syntaxErrorHandler.CreateStateTable(dfa);
stateTableWriter = tableWriterFactory.CreateStateWriter(dfa, tableFactory);
}
public ScannerBuilder(Options options)
{
nfaWriter = options.TryGet("nfa", out var nfaPath) ?
new Nfa.NfaWriter(nfaPath) :
new Nfa.NullNfaWriter();
scannerWriterFactory = !options.Equals("scanner", "switch") ?
new StateScannerWriterFactory() :
new SwitchScannerWriterFactory();
tableWriterFactory = options.HasOption("scanner.compress", true) ?
new CompressedTableWriterFactory() :
new UncompressedTableWriterFactory();
syntaxErrorHandler = options.HasOption("syntax.error.tokens", true) ?
new GreedySyntaxErrorHandler() :
new SingleCharSyntaxErrorHandler();
tokenStateWriter = scannerWriterFactory.CreateStateWriter(
options.HasOption("scanner.write.states", true));
}
public IDfaWriter Create(Dfa dfa,
ITableWriterFactory tableWriterFactory,
ISyntaxErrorHandler syntaxErrorHandler) =>
new DfaSwitchWriter(dfa, syntaxErrorHandler);
