public Token getNextToken()

in netflix-sel/src/main/java/com/netflix/sel/ast/SelParserTokenManager.java [1426:1529]
102 lines of code
27 McCabe index (conditional complexity)

  public Token getNextToken() {
    Token specialToken = null;
    Token matchedToken;
    int curPos = 0;

    EOFLoop:
    for (; ; ) {
      try {
        curChar = input_stream.BeginToken();
      } catch (java.io.IOException e) {
        jjmatchedKind = 0;
        jjmatchedPos = -1;
        matchedToken = jjFillToken();
        matchedToken.specialToken = specialToken;
        return matchedToken;
      }
      image = jjimage;
      image.setLength(0);
      jjimageLen = 0;

      for (; ; ) {
        switch (curLexState) {
          case 0:
            jjmatchedKind = 0x7fffffff;
            jjmatchedPos = 0;
            curPos = jjMoveStringLiteralDfa0_0();
            break;
          case 1:
            jjmatchedKind = 0x7fffffff;
            jjmatchedPos = 0;
            curPos = jjMoveStringLiteralDfa0_1();
            if (jjmatchedPos == 0 && jjmatchedKind > 11) {
              jjmatchedKind = 11;
            }
            break;
          case 2:
            jjmatchedKind = 0x7fffffff;
            jjmatchedPos = 0;
            curPos = jjMoveStringLiteralDfa0_2();
            if (jjmatchedPos == 0 && jjmatchedKind > 11) {
              jjmatchedKind = 11;
            }
            break;
        }
        if (jjmatchedKind != 0x7fffffff) {
          if (jjmatchedPos + 1 < curPos) input_stream.backup(curPos - jjmatchedPos - 1);
          if ((jjtoToken[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L) {
            matchedToken = jjFillToken();
            matchedToken.specialToken = specialToken;
            if (jjnewLexState[jjmatchedKind] != -1) curLexState = jjnewLexState[jjmatchedKind];
            return matchedToken;
          } else if ((jjtoSkip[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L) {
            if ((jjtoSpecial[jjmatchedKind >> 6] & (1L << (jjmatchedKind & 077))) != 0L) {
              matchedToken = jjFillToken();
              if (specialToken == null) specialToken = matchedToken;
              else {
                matchedToken.specialToken = specialToken;
                specialToken = (specialToken.next = matchedToken);
              }
              SkipLexicalActions(matchedToken);
            } else SkipLexicalActions(null);
            if (jjnewLexState[jjmatchedKind] != -1) curLexState = jjnewLexState[jjmatchedKind];
            continue EOFLoop;
          }
          MoreLexicalActions();
          if (jjnewLexState[jjmatchedKind] != -1) curLexState = jjnewLexState[jjmatchedKind];
          curPos = 0;
          jjmatchedKind = 0x7fffffff;
          try {
            curChar = input_stream.readChar();
            continue;
          } catch (java.io.IOException e1) {
          }
        }
        int error_line = input_stream.getEndLine();
        int error_column = input_stream.getEndColumn();
        String error_after = null;
        boolean EOFSeen = false;
        try {
          input_stream.readChar();
          input_stream.backup(1);
        } catch (java.io.IOException e1) {
          EOFSeen = true;
          error_after = curPos <= 1 ? "" : input_stream.GetImage();
          if (curChar == '\n' || curChar == '\r') {
            error_line++;
            error_column = 0;
          } else error_column++;
        }
        if (!EOFSeen) {
          input_stream.backup(1);
          error_after = curPos <= 1 ? "" : input_stream.GetImage();
        }
        throw new TokenMgrError(
            EOFSeen,
            curLexState,
            error_line,
            error_column,
            error_after,
            curChar,
            TokenMgrError.LEXICAL_ERROR);
      }
    }
  }