static void Main(string[] args)
{
String fileNameIn = "";
String fileNameOut = "";
Boolean debugMode = false;
// Parse command line options
if ( args.Length == 3 && args[0].Equals("-d")) {
debugMode = true;
fileNameIn = args[1];
fileNameOut = args[2];
} else if ( args.Length == 2 ) {
fileNameIn = args[0];
fileNameOut = args[1];
} else {
Console.WriteLine("Usage: DFAGen [-d] DFAProgramFile C#ClassName"); return;
}
// create file reader
TextReader reader = null;
try {
reader = File.OpenText( fileNameIn );
} catch (Exception e) {
Console.WriteLine("File Error: " + e.Message);
return;
}
DFAScanner scanner = new DFAScanner(reader);
DFAParser parser = new DFAParser(scanner);
parser.setDebug(debugMode);
parser.parse();
// write out the generated file
parser.outputToFile( fileNameOut );
}
/**
* Create a new parser that reads from the specified scanner.
*
* @param s the scanner from which tokens are to be read.
*/
public DFAParser( DFAScanner s )
{
this.s = s;
debug = false;
}
