// PL0Int.java

// This program is an interpreter for PL/0. At the conclusion of interpreting
// a program, the program's memory store is output.

public class PL0Int {

  public static void main (String args []) throws java.io.IOException {
    System . out . println ("Source Program");
    System . out . println ("--------------");
    System . out . println ("");

    ParserDS pl0 = new ParserDS ();
    Environment env = new Environment ();
    SyntaxTree syntaxTree = pl0 . program (env);
    System . out . println ("");
    syntaxTree . print ("main program");
    env . print ("main program");
    System . out . println ("");
    Interpreter interpreter = 
      new Interpreter (Location . stackFrameSize (), Location . mainProgSize ());
    interpreter . m (syntaxTree);
    System . out . println ("");
    System . out . println (interpreter . store ());
  }

}