Ruby 2.7.0p0(2019-12-25revision647ee6f091eafcce70ffb75ddf7e121e192ab217)

### - r -

- r : BigStruct , enum_sum_memo
- raised_flag : rb_execution_context_struct
- range : rb_objspace
- rank : succ_index_table::succ_dict_block
- rational : RVALUE
- rbuf : rb_io_t
- rcompactor : rb_objspace
- rdp : _fpstate
- reach_end : OptExactInfo
- read : cookie_io_functions_t , select_args
- readable : load_arg
- readagain_len : rb_econv_t , rb_transcoding
- readbuf : rb_transcoding
- readconv : rb_io_t
- ready : des_tables_t
- real : RComplex
- realvar : olevariantdata
- reason : objspace_and_reason
- rebuilds_num : st_table
- recognized_len : rb_transcoding
- record : st_table_entry
- records : rb_objspace
- recur : method_entry_arg
- recv : METHOD , rb_calling_info , rescue_funcall_args
- redefined_flag : rb_vm_struct
- redirect_fds : rb_execarg
- redo_label : iseq_compile_data
- reduce_n : cparse_params
- reduce_table : cparse_params
- ref1 : OnigToken
- refcnt : iseq_label_data
- refcount : _Win32OLEIDispatch
- refined : rb_method_definition_struct
- refined_class : rb_classext_struct
- refinements : rb_cref_struct
- refs : OnigToken , rof_data
- reg : INamesArg , ScanEnv
- regex : strscanner
- regexp : RMatch , RVALUE
- region : OnigMatchArg
- regnum : EncloseNode
- regs : rmatch , strscanner
- rel : OnigToken
- rem : div_t , imaxdiv_t , ldiv_t , lldiv_t
- remembered_shady_count : verify_internal_consistency_struct
- remote : inetsock_arg
- removed : trace_var
- ReparseDataLength : rb_w32_reparse_buffer_t
- ReparseTag : rb_w32_reparse_buffer_t
- repeat : _OnigStackType , OnigToken
- repeat_inc : _OnigStackType
- repeat_range : re_pattern_buffer
- repeat_range_alloc : re_pattern_buffer
- replacement_allocated : rb_econv_t
- replacement_enc : rb_econv_t
- replacement_len : rb_econv_t
- replacement_str : rb_econv_t
- report_on_exception : rb_thread_struct
- req_list : ruby_cmdline_options
- required_num : rb_iseq_constant_body
- res : getaddrinfo_arg , inetsock_arg , udp_arg , udp_send_arg
- rescued : iseq_label_data
- reserved : MEMO
- Reserved : NET_LUID
- reserved : rb_data_type_struct , rb_imemo_tmpbuf_struct , rb_iseq_new_with_callback_callback_func
- Reserved : rb_w32_reparse_buffer_t
- reserved : vm_ifunc , vm_throw_data
- reset : zstream::zstream_funcs
- resetsize_func : rb_transcoder
- resetstate_func : rb_transcoder
- resp : callback_args
- respond : rescue_funcall_args
- respond_to_missing : rescue_funcall_args
- rest : args_info
- rest_arg : rb_args_info , rb_ary_pattern_info
- rest_dupped : args_info
- rest_index : args_info
- rest_start : rb_iseq_constant_body
- result : autoload_state , big2str_struct , dh_blocking_gen_arg , dsa_blocking_gen_arg , equal_data , loaded_feature_searching , rb_econv_t , rsa_blocking_gen_arg
- resume_position : rb_transcoding
- ret : INamesArg , open_struct , rb_econv_init_by_convpath_t , waitpid_state
- ret_addr : _OnigStackType
- retval : cparse_params , nogvl_ffi_call_args , rb_vm_tag
- rev : nmin_data
- reverse : constat
- rgengc : rb_objspace
- right : optional
- right_anchor : OptAncInfo
- rincgc : rb_objspace
- rip : _fpstate
- ripper_id___end__ : ripper_scanner_ids_t
- ripper_id_backref : ripper_scanner_ids_t
- ripper_id_backtick : ripper_scanner_ids_t
- ripper_id_CHAR : ripper_scanner_ids_t
- ripper_id_comma : ripper_scanner_ids_t
- ripper_id_comment : ripper_scanner_ids_t
- ripper_id_const : ripper_scanner_ids_t
- ripper_id_cvar : ripper_scanner_ids_t
- ripper_id_embdoc : ripper_scanner_ids_t
- ripper_id_embdoc_beg : ripper_scanner_ids_t
- ripper_id_embdoc_end : ripper_scanner_ids_t
- ripper_id_embexpr_beg : ripper_scanner_ids_t
- ripper_id_embexpr_end : ripper_scanner_ids_t
- ripper_id_embvar : ripper_scanner_ids_t
- ripper_id_float : ripper_scanner_ids_t
- ripper_id_gvar : ripper_scanner_ids_t
- ripper_id_heredoc_beg : ripper_scanner_ids_t
- ripper_id_heredoc_end : ripper_scanner_ids_t
- ripper_id_ident : ripper_scanner_ids_t
- ripper_id_ignored_nl : ripper_scanner_ids_t
- ripper_id_imaginary : ripper_scanner_ids_t
- ripper_id_int : ripper_scanner_ids_t
- ripper_id_ivar : ripper_scanner_ids_t
- ripper_id_kw : ripper_scanner_ids_t
- ripper_id_label : ripper_scanner_ids_t
- ripper_id_label_end : ripper_scanner_ids_t
- ripper_id_lbrace : ripper_scanner_ids_t
- ripper_id_lbracket : ripper_scanner_ids_t
- ripper_id_lparen : ripper_scanner_ids_t
- ripper_id_nl : ripper_scanner_ids_t
- ripper_id_op : ripper_scanner_ids_t
- ripper_id_period : ripper_scanner_ids_t
- ripper_id_qsymbols_beg : ripper_scanner_ids_t
- ripper_id_qwords_beg : ripper_scanner_ids_t
- ripper_id_rational : ripper_scanner_ids_t
- ripper_id_rbrace : ripper_scanner_ids_t
- ripper_id_rbracket : ripper_scanner_ids_t
- ripper_id_regexp_beg : ripper_scanner_ids_t
- ripper_id_regexp_end : ripper_scanner_ids_t
- ripper_id_rparen : ripper_scanner_ids_t
- ripper_id_semicolon : ripper_scanner_ids_t
- ripper_id_sp : ripper_scanner_ids_t
- ripper_id_symbeg : ripper_scanner_ids_t
- ripper_id_symbols_beg : ripper_scanner_ids_t
- ripper_id_tlambda : ripper_scanner_ids_t
- ripper_id_tlambeg : ripper_scanner_ids_t
- ripper_id_tstring_beg : ripper_scanner_ids_t
- ripper_id_tstring_content : ripper_scanner_ids_t
- ripper_id_tstring_end : ripper_scanner_ids_t
- ripper_id_words_beg : ripper_scanner_ids_t
- ripper_id_words_sep : ripper_scanner_ids_t
- rlimit_limits : rb_execarg
- rmatch : RMatch
- root : rb_ast_body_struct
- root_category : dump_config
- root_fiber : rb_thread_struct
- root_jmpbuf : rb_thread_struct
- root_lep : rb_execution_context_struct
- root_svar : rb_execution_context_struct
- roots : dump_config
- rr : BigStruct
- RR : stack_node
- rs : getline_arg
- rsa : rsa_blocking_gen_arg
- rset : select_set
- rstruct : RVALUE
- ruby2_keywords : rb_args_info , rb_iseq_constant_body
- ruby__end__seen : parser_params
- ruby_encoding_index : OnigEncodingTypeST
- ruby_sourcefile : parser_params
- ruby_sourcefile_string : parser_params
- ruby_sourceline : parser_params
- ruleno : cparse_params
- run : rb_objspace , zstream::zstream_funcs
- running : rb_hook_list_struct , rb_vm_struct , traceobj_arg
- running_thread : iseq_inline_storage_entry , rb_vm_struct
- running_time_us : rb_thread_struct
- rvalue : extended_cif