import java.io.*;
/**
* Simple Scanner driver
*/
public class ScanTest {
	/** 
	* Test harness for the Scanner class.
	* @param arg [0] pathname to scan.  If not specified, then the program
	* tries to scan "fm/hello.fm".
	* @throws IOException thrown if any IO errors occur during processing
	*/
	public static void main(String[] arg) throws IOException {
		Token t;
		String in = "fm/tA.fm";
		if (arg.length > 0) {
			in = arg[0];
		}
		CompilerIO io = new CompilerIO(in, "txt");
		io.setEchoing(true);
		io.setEchoPrefix("% ");
		SymbolTable sym = new SymbolTable(1);
		Scanner scan = new Scanner(io,sym);
		do {
			t = scan.nextToken();
			io.emit(t.toString());
		} while (t.getType() != Token.EOF);
		io.closeAll();
	}
}