package se.sics.mspsim.extutil.highlight;// Illustrate the use of the scanner by reading in a file and displaying its// tokens. Public domain, no restrictions, Ian Holyer, University of Bristol.import java.io.*;public class Scan {  // Get the filename from the command line  public static void main(String[] args) throws IOException {    Scan program = new Scan();    if (args.length != 1) {      System.out.println("Usage: java Scan filename");    } else {      program.scan(args[0]);    }  }  // Scan each line in turn  public void scan(String filename) throws IOException {    File file = new File(filename);    int len = (int) file.length();    char[] buffer = new char[len];    Reader in = new FileReader(file);    in.read(buffer);    in.close();    Scanner scanner = new Scanner();    scanner.change(0, 0, len);    scanner.scan(buffer, 0, len);    for (int i = 0; i < scanner.size(); i++) {      Token t = scanner.getToken(i);      System.out.print("" + t.position);      System.out.print(": " + t.symbol.name);      System.out.println(" " + TokenTypes.typeNames[t.symbol.type]);    }  }}