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• GroupMatcherParser.java

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org.apache.maven.surefire.group.parse.GroupMatcherParser Maven / Gradle / Ivy

/* 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 jj_expentries = new java.util.ArrayList();
  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< 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;
  }

}