/* Generated By:JavaCC: Do not edit this line. GroupMatcherParser.java */
   package org.apache.maven.surefire.group.parse;
   
   import org.apache.maven.surefire.group.match.*;
   import java.io.*;
   
   public class GroupMatcherParser implements GroupMatcherParserConstants {
       public static void main( String[] args )
           throws Exception
      {
          BufferedReader reader = new BufferedReader( new InputStreamReader( System.in ) );
          while( true )
          {
          try
          {
              System.out.print( "Enter expression: " );
              String expr = reader.readLine();
              GroupMatcherParser parser = new GroupMatcherParser( expr );
              GroupMatcher matcher = parser.parse();
              System.out.println( matcher );
          }
          catch ( ParseException e )
          {
              e.printStackTrace();
          }
          }
      }
  
      public GroupMatcherParser( String expression )
      {
          this( (Reader)(new StringReader( expression ) ) );
      }
  
      private GroupMatcher getMatcher( Op op, GroupMatcher...matchers )
      {
        GroupMatcher matcher = null;
        if ( Op.AND == op )
        {
          matcher = new AndGroupMatcher( matchers );
        }
        else
        {
          matcher = new OrGroupMatcher( matchers );
        }
  
        return matcher;
      }
  
      public enum Op
      {
        AND, OR;
      }
  
    final public GroupMatcher parse() throws ParseException {
   GroupMatcher matcher = null;
      matcher = expr();
      {if (true) return matcher;}
      throw new Error("Missing return statement in function");
    }
  
    final public GroupMatcher expr() throws ParseException {
  GroupMatcher matcher=null;
      if (jj_2_1(3)) {
        matcher = igroup();
      } else if (jj_2_2(3)) {
        matcher = group();
      } else {
        jj_consume_token(-1);
        throw new ParseException();
      }
     {if (true) return matcher;}
      throw new Error("Missing return statement in function");
    }
  
    final public GroupMatcher igroup() throws ParseException {
  GroupMatcher lhs=null;
  GroupMatcher rhs=null;
  Op op=null;
      lhs = value();
      if (jj_2_3(3)) {
        op = op();
        rhs = expr();
      } else {
        ;
      }
      GroupMatcher matcher = lhs;
      if ( op != null )
      {
        matcher = getMatcher( op, lhs, rhs );
      }
  
      {if (true) return matcher;}
      throw new Error("Missing return statement in function");
    }
  
    final public GroupMatcher group() throws ParseException {
  boolean inverted=false;
  GroupMatcher lhs=null;
  GroupMatcher rhs=null;
 Op op=null;
     if (jj_2_4(3)) {
       not();
     inverted=true;
     } else {
       ;
     }
     jj_consume_token(LPAREN);
     lhs = expr();
     if (jj_2_5(3)) {
       op = op();
       rhs = expr();
     } else {
       ;
     }
     jj_consume_token(RPAREN);
     GroupMatcher matcher = lhs;
     if ( op != null )
     {
       matcher = getMatcher( op, lhs, rhs );
     }
 
     {if (true) return inverted ? new InverseGroupMatcher( matcher ) : matcher;}
     throw new Error("Missing return statement in function");
   }
 
   final public GroupMatcher value() throws ParseException {
 boolean inverted=false;
 Token val=null;
     if (jj_2_6(3)) {
       not();
    inverted=true;
     } else {
       ;
     }
     val = jj_consume_token(STRING);
     GroupMatcher m = new SingleGroupMatcher( val.image );
     {if (true) return inverted ? new InverseGroupMatcher( m ) : m;}
     throw new Error("Missing return statement in function");
   }
 
   final public Op op() throws ParseException {
  Op o=null;
     if (jj_2_7(3)) {
       jj_consume_token(AND);
    o=Op.AND;
     } else if (jj_2_8(3)) {
       jj_consume_token(OR);
    o=Op.OR;
     } else if (jj_2_9(3)) {
       jj_consume_token(AMP2);
    o=Op.AND;
     } else if (jj_2_10(3)) {
       jj_consume_token(PIPE2);
    o=Op.OR;
     } else if (jj_2_11(3)) {
       jj_consume_token(COMMA);
    o=Op.OR;
     } else {
       jj_consume_token(-1);
       throw new ParseException();
     }
    {if (true) return o;}
     throw new Error("Missing return statement in function");
   }
 
   final public void not() throws ParseException {
     if (jj_2_12(3)) {
       jj_consume_token(NOT);
     } else if (jj_2_13(3)) {
       jj_consume_token(BANG);
     } else {
       jj_consume_token(-1);
       throw new ParseException();
     }
   }
 
   private boolean jj_2_1(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_1(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(0, xla); }
   }
 
   private boolean jj_2_2(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_2(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(1, xla); }
   }
 
   private boolean jj_2_3(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_3(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(2, xla); }
   }
 
   private boolean jj_2_4(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_4(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(3, xla); }
   }
 
   private boolean jj_2_5(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_5(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(4, xla); }
   }
 
   private boolean jj_2_6(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_6(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(5, xla); }
   }
 
   private boolean jj_2_7(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_7(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(6, xla); }
   }
 
   private boolean jj_2_8(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_8(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(7, xla); }
   }
 
   private boolean jj_2_9(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_9(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(8, xla); }
   }
 
   private boolean jj_2_10(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_10(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(9, xla); }
   }
 
   private boolean jj_2_11(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_11(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(10, xla); }
   }
 
   private boolean jj_2_12(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_12(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(11, xla); }
   }
 
   private boolean jj_2_13(int xla) {
     jj_la = xla; jj_lastpos = jj_scanpos = token;
     try { return !jj_3_13(); }
     catch(LookaheadSuccess ls) { return true; }
     finally { jj_save(12, xla); }
   }
 
   private boolean jj_3_8() {
     if (jj_scan_token(OR)) return true;
     return false;
   }
 
   private boolean jj_3_7() {
     if (jj_scan_token(AND)) return true;
     return false;
   }
 
   private boolean jj_3_3() {
     if (jj_3R_3()) return true;
     if (jj_3R_4()) return true;
     return false;
   }
 
   private boolean jj_3R_3() {
     Token xsp;
     xsp = jj_scanpos;
     if (jj_3_7()) {
     jj_scanpos = xsp;
     if (jj_3_8()) {
     jj_scanpos = xsp;
     if (jj_3_9()) {
     jj_scanpos = xsp;
     if (jj_3_10()) {
     jj_scanpos = xsp;
     if (jj_3_11()) return true;
     }
     }
     }
     }
     return false;
   }
 
   private boolean jj_3_6() {
     if (jj_3R_5()) return true;
     return false;
   }
 
   private boolean jj_3R_6() {
     Token xsp;
     xsp = jj_scanpos;
     if (jj_3_6()) jj_scanpos = xsp;
     if (jj_scan_token(STRING)) return true;
     return false;
   }
 
   private boolean jj_3R_1() {
     if (jj_3R_6()) return true;
     Token xsp;
     xsp = jj_scanpos;
     if (jj_3_3()) jj_scanpos = xsp;
     return false;
   }
 
   private boolean jj_3_13() {
     if (jj_scan_token(BANG)) return true;
     return false;
   }
 
   private boolean jj_3_2() {
     if (jj_3R_2()) return true;
     return false;
   }
 
   private boolean jj_3_1() {
     if (jj_3R_1()) return true;
     return false;
   }
 
   private boolean jj_3R_5() {
     Token xsp;
     xsp = jj_scanpos;
     if (jj_3_12()) {
     jj_scanpos = xsp;
     if (jj_3_13()) return true;
     }
     return false;
   }
 
   private boolean jj_3_12() {
     if (jj_scan_token(NOT)) return true;
     return false;
   }
 
   private boolean jj_3R_4() {
     Token xsp;
     xsp = jj_scanpos;
     if (jj_3_1()) {
     jj_scanpos = xsp;
     if (jj_3_2()) return true;
     }
     return false;
   }
 
   private boolean jj_3_5() {
     if (jj_3R_3()) return true;
     if (jj_3R_4()) return true;
     return false;
   }
 
   private boolean jj_3_11() {
     if (jj_scan_token(COMMA)) return true;
     return false;
   }
 
   private boolean jj_3_10() {
     if (jj_scan_token(PIPE2)) return true;
     return false;
   }
 
   private boolean jj_3_4() {
     if (jj_3R_5()) return true;
     return false;
   }
 
   private boolean jj_3R_2() {
     Token xsp;
     xsp = jj_scanpos;
     if (jj_3_4()) jj_scanpos = xsp;
     if (jj_scan_token(LPAREN)) return true;
     if (jj_3R_4()) return true;
     xsp = jj_scanpos;
     if (jj_3_5()) jj_scanpos = xsp;
     if (jj_scan_token(RPAREN)) return true;
     return false;
   }
 
   private boolean jj_3_9() {
     if (jj_scan_token(AMP2)) return true;
     return false;
   }
 
   /** Generated Token Manager. */
   public GroupMatcherParserTokenManager token_source;
   SimpleCharStream jj_input_stream;
   /** Current token. */
   public Token token;
   /** Next token. */
   public Token jj_nt;
   private int jj_ntk;
   private Token jj_scanpos, jj_lastpos;
   private int jj_la;
   private int jj_gen;
   final private int[] jj_la1 = new int[0];
   static private int[] jj_la1_0;
   static {
       jj_la1_init_0();
    }
    private static void jj_la1_init_0() {
       jj_la1_0 = new int[] {};
    }
   final private JJCalls[] jj_2_rtns = new JJCalls[13];
   private boolean jj_rescan = false;
   private int jj_gc = 0;
 
   /** Constructor with InputStream. */
   public GroupMatcherParser(java.io.InputStream stream) {
      this(stream, null);
   }
   /** Constructor with InputStream and supplied encoding */
   public GroupMatcherParser(java.io.InputStream stream, String encoding) {
     try { jj_input_stream = new SimpleCharStream(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
     token_source = new GroupMatcherParserTokenManager(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Reinitialise. */
   public void ReInit(java.io.InputStream stream) {
      ReInit(stream, null);
   }
   /** Reinitialise. */
   public void ReInit(java.io.InputStream stream, String encoding) {
     try { jj_input_stream.ReInit(stream, encoding, 1, 1); } catch(java.io.UnsupportedEncodingException e) { throw new RuntimeException(e); }
     token_source.ReInit(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Constructor. */
   public GroupMatcherParser(java.io.Reader stream) {
     jj_input_stream = new SimpleCharStream(stream, 1, 1);
     token_source = new GroupMatcherParserTokenManager(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Reinitialise. */
   public void ReInit(java.io.Reader stream) {
     jj_input_stream.ReInit(stream, 1, 1);
     token_source.ReInit(jj_input_stream);
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Constructor with generated Token Manager. */
   public GroupMatcherParser(GroupMatcherParserTokenManager tm) {
     token_source = tm;
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   /** Reinitialise. */
   public void ReInit(GroupMatcherParserTokenManager tm) {
     token_source = tm;
     token = new Token();
     jj_ntk = -1;
     jj_gen = 0;
     for (int i = 0; i < 0; i++) jj_la1[i] = -1;
     for (int i = 0; i < jj_2_rtns.length; i++) jj_2_rtns[i] = new JJCalls();
   }
 
   private Token jj_consume_token(int kind) throws ParseException {
     Token oldToken;
     if ((oldToken = token).next != null) token = token.next;
     else token = token.next = token_source.getNextToken();
     jj_ntk = -1;
     if (token.kind == kind) {
       jj_gen++;
       if (++jj_gc > 100) {
         jj_gc = 0;
         for (int i = 0; i < jj_2_rtns.length; i++) {
           JJCalls c = jj_2_rtns[i];
           while (c != null) {
             if (c.gen < jj_gen) c.first = null;
             c = c.next;
           }
         }
       }
       return token;
     }
     token = oldToken;
     jj_kind = kind;
     throw generateParseException();
   }
 
   static private final class LookaheadSuccess extends java.lang.Error { }
   final private LookaheadSuccess jj_ls = new LookaheadSuccess();
   private boolean jj_scan_token(int kind) {
     if (jj_scanpos == jj_lastpos) {
       jj_la--;
       if (jj_scanpos.next == null) {
         jj_lastpos = jj_scanpos = jj_scanpos.next = token_source.getNextToken();
       } else {
         jj_lastpos = jj_scanpos = jj_scanpos.next;
       }
     } else {
       jj_scanpos = jj_scanpos.next;
     }
     if (jj_rescan) {
       int i = 0; Token tok = token;
       while (tok != null && tok != jj_scanpos) { i++; tok = tok.next; }
       if (tok != null) jj_add_error_token(kind, i);
     }
     if (jj_scanpos.kind != kind) return true;
     if (jj_la == 0 && jj_scanpos == jj_lastpos) throw jj_ls;
     return false;
   }
 
 
 /** Get the next Token. */
   final public Token getNextToken() {
     if (token.next != null) token = token.next;
     else token = token.next = token_source.getNextToken();
     jj_ntk = -1;
     jj_gen++;
     return token;
   }
 
 /** Get the specific Token. */
   final public Token getToken(int index) {
     Token t = token;
     for (int i = 0; i < index; i++) {
       if (t.next != null) t = t.next;
       else t = t.next = token_source.getNextToken();
     }
     return t;
   }
 
   private int jj_ntk() {
     if ((jj_nt=token.next) == null)
       return (jj_ntk = (token.next=token_source.getNextToken()).kind);
     else
       return (jj_ntk = jj_nt.kind);
   }
 
   private java.util.List<int[]> jj_expentries = new java.util.ArrayList<int[]>();
   private int[] jj_expentry;
   private int jj_kind = -1;
   private int[] jj_lasttokens = new int[100];
   private int jj_endpos;
 
   private void jj_add_error_token(int kind, int pos) {
     if (pos >= 100) return;
     if (pos == jj_endpos + 1) {
       jj_lasttokens[jj_endpos++] = kind;
     } else if (jj_endpos != 0) {
       jj_expentry = new int[jj_endpos];
       for (int i = 0; i < jj_endpos; i++) {
         jj_expentry[i] = jj_lasttokens[i];
       }
       jj_entries_loop: for (java.util.Iterator<?> it = jj_expentries.iterator(); it.hasNext();) {
         int[] oldentry = (int[])(it.next());
         if (oldentry.length == jj_expentry.length) {
           for (int i = 0; i < jj_expentry.length; i++) {
             if (oldentry[i] != jj_expentry[i]) {
               continue jj_entries_loop;
             }
           }
           jj_expentries.add(jj_expentry);
           break jj_entries_loop;
         }
       }
       if (pos != 0) jj_lasttokens[(jj_endpos = pos) - 1] = kind;
     }
   }
 
   /** Generate ParseException. */
   public ParseException generateParseException() {
     jj_expentries.clear();
     boolean[] la1tokens = new boolean[16];
     if (jj_kind >= 0) {
       la1tokens[jj_kind] = true;
       jj_kind = -1;
     }
     for (int i = 0; i < 0; i++) {
       if (jj_la1[i] == jj_gen) {
         for (int j = 0; j < 32; j++) {
           if ((jj_la1_0[i] & (1<<j)) != 0) {
             la1tokens[j] = true;
           }
         }
       }
     }
     for (int i = 0; i < 16; i++) {
       if (la1tokens[i]) {
         jj_expentry = new int[1];
         jj_expentry[0] = i;
         jj_expentries.add(jj_expentry);
       }
     }
     jj_endpos = 0;
     jj_rescan_token();
     jj_add_error_token(0, 0);
     int[][] exptokseq = new int[jj_expentries.size()][];
     for (int i = 0; i < jj_expentries.size(); i++) {
       exptokseq[i] = jj_expentries.get(i);
     }
     return new ParseException(token, exptokseq, tokenImage);
   }
 
   /** Enable tracing. */
   final public void enable_tracing() {
   }
 
   /** Disable tracing. */
   final public void disable_tracing() {
   }
 
   private void jj_rescan_token() {
     jj_rescan = true;
     for (int i = 0; i < 13; i++) {
     try {
       JJCalls p = jj_2_rtns[i];
       do {
         if (p.gen > jj_gen) {
           jj_la = p.arg; jj_lastpos = jj_scanpos = p.first;
           switch (i) {
             case 0: jj_3_1(); break;
             case 1: jj_3_2(); break;
             case 2: jj_3_3(); break;
             case 3: jj_3_4(); break;
             case 4: jj_3_5(); break;
             case 5: jj_3_6(); break;
             case 6: jj_3_7(); break;
             case 7: jj_3_8(); break;
             case 8: jj_3_9(); break;
             case 9: jj_3_10(); break;
             case 10: jj_3_11(); break;
             case 11: jj_3_12(); break;
             case 12: jj_3_13(); break;
           }
         }
         p = p.next;
       } while (p != null);
       } catch(LookaheadSuccess ls) { }
     }
     jj_rescan = false;
   }
 
   private void jj_save(int index, int xla) {
     JJCalls p = jj_2_rtns[index];
     while (p.gen > jj_gen) {
       if (p.next == null) { p = p.next = new JJCalls(); break; }
       p = p.next;
     }
     p.gen = jj_gen + xla - jj_la; p.first = token; p.arg = xla;
   }
 
   static final class JJCalls {
     int gen;
     Token first;
     int arg;
     JJCalls next;
   }
 
 }