cmm.java

是Google提供的一个 Windows 应用程序；用户可以借助于该程序

/* Generated By:JJTree&JavaCC: Do not edit this line. Cmm.java */
package cmm;

@SuppressWarnings("all")
public class Cmm/*@bgen(jjtree)*/implements CmmTreeConstants, CmmConstants {/*@bgen(jjtree)*/
  protected static JJTCmmState jjtree = new JJTCmmState();public static void main(String args[]){
    System.out.println("Reading from standard input...");
    new Cmm(System.in);
    try {
      SimpleNode n = Cmm.Start();
      n.dump("");
      System.out.println("Thank you!");
    } catch (Exception e) {
      System.out.println("Oops.");
      System.out.println(e.getMessage());
    }
  }

  static final public SimpleNode Start() throws ParseException {
                    /*@bgen(jjtree) Start */
  SimpleNode jjtn000 = new SimpleNode(JJTSTART);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      Program();
    jjtree.closeNodeScope(jjtn000, true);
    jjtc000 = false;
    {if (true) return jjtn000;}
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
    throw new Error("Missing return statement in function");
  }

  static final public void Program() throws ParseException {
                /*@bgen(jjtree) Program */
  SimpleNode jjtn000 = new SimpleNode(JJTPROGRAM);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      label_1:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case KEYWORD_INT:
        case KEYWORD_REAL:
          ;
          break;
        default:
          jj_la1[0] = jj_gen;
          break label_1;
        }
        VarDeclare();
      }
      Sentence();
    } catch (Throwable jjte000) {
     if (jjtc000) {
       jjtree.clearNodeScope(jjtn000);
       jjtc000 = false;
     } else {
       jjtree.popNode();
     }
     if (jjte000 instanceof RuntimeException) {
       {if (true) throw (RuntimeException)jjte000;}
     }
     if (jjte000 instanceof ParseException) {
       {if (true) throw (ParseException)jjte000;}
     }
     {if (true) throw (Error)jjte000;}
    } finally {
     if (jjtc000) {
       jjtree.closeNodeScope(jjtn000, true);
     }
    }
  }

  static final public void VarDeclare() throws ParseException {
                   /*@bgen(jjtree) VarDeclare */
  SimpleNode jjtn000 = new SimpleNode(JJTVARDECLARE);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case KEYWORD_INT:
        jj_consume_token(KEYWORD_INT);
        break;
      case KEYWORD_REAL:
        jj_consume_token(KEYWORD_REAL);
        break;
      default:
        jj_la1[1] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ID:
        jj_consume_token(ID);
        break;
      case ARRAY:
        jj_consume_token(ARRAY);
        break;
      default:
        jj_la1[2] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      label_2:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case 30:
          ;
          break;
        default:
          jj_la1[3] = jj_gen;
          break label_2;
        }
        jj_consume_token(30);
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case ID:
          jj_consume_token(ID);
          break;
        case ARRAY:
          jj_consume_token(ARRAY);
          break;
        default:
          jj_la1[4] = jj_gen;
          jj_consume_token(-1);
          throw new ParseException();
        }
      }
      jj_consume_token(31);
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }

  static final public void Sentence() throws ParseException {
                 /*@bgen(jjtree) Sentence */
  SimpleNode jjtn000 = new SimpleNode(JJTSENTENCE);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case KEYWORD_BEGIN:
        Complex();
        break;
      case ID:
      case ARRAY:
        Evaluate();
        break;
      case KEYWORD_IF:
        IfSentence();
        break;
      case KEYWORD_WHILE:
        WhileSentence();
        break;
      case KEYWORD_WRITE:
        WriteSentence();
        break;
      case KEYWORD_READ:
        ReadSentence();
        break;
      default:
        jj_la1[5] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }

  static final public void Complex() throws ParseException {
                /*@bgen(jjtree) Complex */
  SimpleNode jjtn000 = new SimpleNode(JJTCOMPLEX);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      jj_consume_token(KEYWORD_BEGIN);
      Sentence();
      label_3:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case KEYWORD_IF:
        case KEYWORD_WHILE:
        case KEYWORD_READ:
        case KEYWORD_WRITE:
        case KEYWORD_BEGIN:
        case ID:
        case ARRAY:
          ;
          break;
        default:
          jj_la1[6] = jj_gen;
          break label_3;
        }
        Sentence();
      }
      jj_consume_token(KEYWORD_END);
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }

  static final public void Evaluate() throws ParseException {
                 /*@bgen(jjtree) Evaluate */
  SimpleNode jjtn000 = new SimpleNode(JJTEVALUATE);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ID:
        jj_consume_token(ID);
        break;
      case ARRAY:
        jj_consume_token(ARRAY);
        break;
      default:
        jj_la1[7] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
      jj_consume_token(32);
      Expression();
      jj_consume_token(31);
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }

  static final public void Expression() throws ParseException {
                   /*@bgen(jjtree) Expression */
  SimpleNode jjtn000 = new SimpleNode(JJTEXPRESSION);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      Item();
      label_4:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case PLUSMINUS:
          ;
          break;
        default:
          jj_la1[8] = jj_gen;
          break label_4;
        }
        jj_consume_token(PLUSMINUS);
        Item();
      }
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }

  static final public void Item() throws ParseException {
             /*@bgen(jjtree) Item */
  SimpleNode jjtn000 = new SimpleNode(JJTITEM);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      Factor();
      label_5:
      while (true) {
        switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
        case MULTIPLYDIVIDE:
          ;
          break;
        default:
          jj_la1[9] = jj_gen;
          break label_5;
        }
        jj_consume_token(MULTIPLYDIVIDE);
        Factor();
      }
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}
    } finally {
    if (jjtc000) {
      jjtree.closeNodeScope(jjtn000, true);
    }
    }
  }

  static final public void Factor() throws ParseException {
               /*@bgen(jjtree) Factor */
  SimpleNode jjtn000 = new SimpleNode(JJTFACTOR);
  boolean jjtc000 = true;
  jjtree.openNodeScope(jjtn000);
    try {
      switch ((jj_ntk==-1)?jj_ntk():jj_ntk) {
      case ID:
        jj_consume_token(ID);
        break;
      case ARRAY:
        jj_consume_token(ARRAY);
        break;
      case INT:
        jj_consume_token(INT);
        break;
      case REAL:
        jj_consume_token(REAL);
        break;
      case 33:
        jj_consume_token(33);
        Expression();
        jj_consume_token(34);
        break;
      default:
        jj_la1[10] = jj_gen;
        jj_consume_token(-1);
        throw new ParseException();
      }
    } catch (Throwable jjte000) {
    if (jjtc000) {
      jjtree.clearNodeScope(jjtn000);
      jjtc000 = false;
    } else {
      jjtree.popNode();
    }
    if (jjte000 instanceof RuntimeException) {
      {if (true) throw (RuntimeException)jjte000;}
    }
    if (jjte000 instanceof ParseException) {
      {if (true) throw (ParseException)jjte000;}
    }
    {if (true) throw (Error)jjte000;}