public final AntlrPilarParser.lhsList_return lhsList()
      throws RecognitionException {
    AntlrPilarParser.lhsList_return retval = new AntlrPilarParser.lhsList_return();
    retval.start = input.LT(1);
    int lhsList_StartIndex = input.index();
    Object root_0 = null;

    Token char_literal234 = null;
    AntlrPilarParser.lhs_return lhs233 = null;

    AntlrPilarParser.lhs_return lhs235 = null;

    Object char_literal234_tree = null;
    RewriteRuleTokenStream stream_172 = new RewriteRuleTokenStream(adaptor,
        "token 172");
    RewriteRuleSubtreeStream stream_lhs = new RewriteRuleSubtreeStream(adaptor,
        "rule lhs");
    try {
      if (state.backtracking > 0 && alreadyParsedRule(input, 61)) {
        return retval;
      }
      // /Users/robby/Repositories/sireum-parser/sireum-parser/src/main/java/org/sireum/pilar/parser/AntlrPilar.g:480:2: ( lhs ( ',' lhs )* -> ^( LIST ( lhs )+ ) )
      // /Users/robby/Repositories/sireum-parser/sireum-parser/src/main/java/org/sireum/pilar/parser/AntlrPilar.g:480:4: lhs ( ',' lhs )*
      {
        pushFollow(FOLLOW_lhs_in_lhsList4357);
        lhs233 = lhs();

        state._fsp--;
        if (state.failed) return retval;
        if (state.backtracking == 0) stream_lhs.add(lhs233.getTree());
        // /Users/robby/Repositories/sireum-parser/sireum-parser/src/main/java/org/sireum/pilar/parser/AntlrPilar.g:480:8: ( ',' lhs )*
        loop76: do {
          int alt76 = 2;
          int LA76_0 = input.LA(1);

          if ((LA76_0 == 172)) {
            alt76 = 1;
          }

          switch (alt76) {
            case 1:
            // /Users/robby/Repositories/sireum-parser/sireum-parser/src/main/java/org/sireum/pilar/parser/AntlrPilar.g:480:10: ',' lhs
            {
              char_literal234 = (Token) match(
                  input,
                  172,
                  FOLLOW_172_in_lhsList4361);
              if (state.failed) return retval;
              if (state.backtracking == 0) stream_172.add(char_literal234);

              pushFollow(FOLLOW_lhs_in_lhsList4363);
              lhs235 = lhs();

              state._fsp--;
              if (state.failed) return retval;
              if (state.backtracking == 0) stream_lhs.add(lhs235.getTree());

            }
              break;

            default:
              break loop76;
          }
        } while (true);

        // AST REWRITE
        // elements: lhs
        // token labels: 
        // rule labels: retval
        // token list labels: 
        // rule list labels: 
        // wildcard labels: 
        if (state.backtracking == 0) {
          retval.tree = root_0;
          RewriteRuleSubtreeStream stream_retval = new RewriteRuleSubtreeStream(
              adaptor, "rule retval", retval != null ? retval.tree : null);

          root_0 = (Object) adaptor.nil();
          // 480:41: -> ^( LIST ( lhs )+ )
          {
            // /Users/robby/Repositories/sireum-parser/sireum-parser/src/main/java/org/sireum/pilar/parser/AntlrPilar.g:480:44: ^( LIST ( lhs )+ )
            {
              Object root_1 = (Object) adaptor.nil();
              root_1 = (Object) adaptor.becomeRoot(
                  (Object) adaptor.create(LIST, "LIST"),
                  root_1);

              if (!(stream_lhs.hasNext())) {
                throw new RewriteEarlyExitException();
              }
              while (stream_lhs.hasNext()) {
                adaptor.addChild(root_1, stream_lhs.nextTree());

              }
              stream_lhs.reset();

              adaptor.addChild(root_0, root_1);
            }

          }

          retval.tree = root_0;
        }
      }

      retval.stop = input.LT(-1);

      if (state.backtracking == 0) {

        retval.tree = (Object) adaptor.rulePostProcessing(root_0);
        adaptor.setTokenBoundaries(retval.tree, retval.start, retval.stop);
      }
    } catch (RecognitionException re) {
      reportError(re);
      recover(input, re);
      retval.tree = (Object) adaptor.errorNode(
          input,
          retval.start,
          input.LT(-1),
          re);

    } finally {
      if (state.backtracking > 0) {
        memoize(input, 61, lhsList_StartIndex);
      }
    }
    return retval;
  }