Package

Source Code of Main

import java.io.*;
import antlr.RecognitionException;
import antlr.TokenStreamException;
import antlr.TokenStreamRecognitionException;
import antlr.TokenStreamRetryException;
import antlr.CharBuffer;

class Main {
  // find new line chars for this OS
  private static final String nl = System.getProperty("line.separator","\n");

  public static void main(String[] args) {
   
   InputStreamReader reader = null;
   FileInputStream inputStream = null;
  
    // this one command redirects all System.out and System.err to debug file
    Debug.log.println(" Output for Unicode example");

   System.out.println(" The input file is:"+args[0]);
   try {
       inputStream = new FileInputStream(args[0]);
   } catch (FileNotFoundException ex) {
       System.out.println("Could not find file.");
       System.exit(1);
   }
    
   try {
       reader = new InputStreamReader(inputStream,"SJIS");
   } catch (UnsupportedEncodingException ex) {
       System.out.println("Invalid encoding");
       System.exit(1);
   }
   BufferedReader bufferedReader = new BufferedReader(reader);
   try {
     String line = bufferedReader.readLine();
     while (line != null) {
        System.out.println(line);
       line = bufferedReader.readLine();
     }
     inputStream.close();
   } catch (IOException ex) {
       System.out.println(ex.getMessage());
       System.exit(1);
   }
    
  
   System.out.println("\nThe parse output is:");
  
   try {
       inputStream = new FileInputStream(args[0]);
   } catch (FileNotFoundException ex) {
       System.out.println("Could not find file.");
       System.exit(1);
   }
   try {
       reader = new InputStreamReader(inputStream,"SJIS");
   } catch (UnsupportedEncodingException ex) {
       System.out.println("Invalid encoding");
       System.exit(1);
   }
   CharBuffer cb = new CharBuffer(reader);
    try {
      UnicodeLexer lexer = new UnicodeLexer(cb);
      UnicodeParser parser = new UnicodeParser(lexer);
      parser.program();
     
    } catch(Exception e) {
      // catch all mainly IOExceptions
      System.err.println("exception: "+e);
    }
  }
}

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