# File lib/kwalify/parser/yaml.rb, line 634
  def parse_flow_map(map, map_rule, path, uniq_table)
    #scan(/\{\s*/)  # not work?
    _start_linenum = @linenum                                              #*V
    _start_column  = @column                                               #*V
    scan(/\{/)
    skip_spaces_and_comments()
    if scan(/\}/)
      nil
    else
      path.push(nil)
      is_merged = false
      while true
        _linenum = @linenum                                                #*V
        _column  = @column                                                 #*V
        unless scan(MAPKEY_PATTERN)
          raise _syntax_error("mapping key is expected.", path)
        end
        key = group(1)
        skip_spaces_and_comments()
        _linenum2 = @linenum                                               #*V
        _column2  = @column                                                #*V
        is_merged = _parse_map_value(map, map_rule, path, nil, key, is_merged,
                           uniq_table, _linenum, _column, _linenum2, _column2)
        #skip_spaces_and_comments()
        break unless scan(/,\s+/)
      end
      path.pop()
      unless scan(/\}/)
        raise _syntax_error("flow mapping is not closed by '}'.", path)
      end
    end
    skip_spaces_and_comments()
    _set_error_info(_start_linenum, _start_column) do                      #*V
      @validator._validate_mapping_required_keys(map, map_rule, path, @errors)  #*V
    end if map_rule                                                        #*V
    return map
  end