Gecko [ www.leshallesdegournay.geraud-market.com ]

Name	Size	Permission	Date
atomic	[ DIR ]	drwxr-xr-x	2022-05-23 22:35
authors.h	9.35 KB	-rw-r--r--	2022-05-18 13:19
bounded_queue.h	6.61 KB	-rw-r--r--	2022-05-18 13:19
client_settings.h	1.89 KB	-rw-r--r--	2022-05-18 13:19
compat56.h	1.95 KB	-rw-r--r--	2022-05-18 13:19
config.h	14.49 KB	-rw-r--r--	2022-05-18 14:40
contributors.h	2.92 KB	-rw-r--r--	2022-05-18 13:19
create_options.h	4.21 KB	-rw-r--r--	2022-05-18 13:19
custom_conf.h	1.06 KB	-rw-r--r--	2022-05-18 13:19
datadict.h	1.48 KB	-rw-r--r--	2022-05-18 13:19
debug_sync.h	1.73 KB	-rw-r--r--	2022-05-18 13:19
derror.h	1.02 KB	-rw-r--r--	2022-05-18 13:19
des_key_file.h	1.21 KB	-rw-r--r--	2022-05-18 13:19
discover.h	1.57 KB	-rw-r--r--	2022-05-18 13:19
dur_prop.h	1.06 KB	-rw-r--r--	2022-05-18 13:19
embedded_priv.h	1.47 KB	-rw-r--r--	2022-05-18 13:19
event_data_objects.h	3.84 KB	-rw-r--r--	2022-05-18 13:19
event_db_repository.h	3.41 KB	-rw-r--r--	2022-05-18 13:19
event_parse_data.h	2.87 KB	-rw-r--r--	2022-05-18 13:19
event_queue.h	3.29 KB	-rw-r--r--	2022-05-18 13:19
event_scheduler.h	3.21 KB	-rw-r--r--	2022-05-18 13:19
events.h	4.43 KB	-rw-r--r--	2022-05-18 13:19
field.h	147.53 KB	-rw-r--r--	2022-05-18 13:19
filesort.h	4.61 KB	-rw-r--r--	2022-05-18 13:19
filesort_utils.h	4 KB	-rw-r--r--	2022-05-18 13:19
ft_global.h	3.04 KB	-rw-r--r--	2022-05-18 13:19
gcalc_slicescan.h	16.86 KB	-rw-r--r--	2022-05-18 13:19
gcalc_tools.h	11.38 KB	-rw-r--r--	2022-05-18 13:19
group_by_handler.h	3.08 KB	-rw-r--r--	2022-05-18 13:19
gstream.h	2.44 KB	-rw-r--r--	2022-05-18 13:19
ha_partition.h	50.87 KB	-rw-r--r--	2022-05-18 13:19
handler.h	155.48 KB	-rw-r--r--	2022-05-18 13:19
hash.h	4.39 KB	-rw-r--r--	2022-05-18 13:19
hash_filo.h	5.4 KB	-rw-r--r--	2022-05-18 13:19
heap.h	9.23 KB	-rw-r--r--	2022-05-18 13:19
hostname.h	5.35 KB	-rw-r--r--	2022-05-18 13:19
ilist.h	6.27 KB	-rw-r--r--	2022-05-18 13:19
init.h	955 B	-rw-r--r--	2022-05-18 13:19
innodb_priv.h	1.39 KB	-rw-r--r--	2022-05-18 13:19
item.h	203.54 KB	-rw-r--r--	2022-05-18 13:19
item_cmpfunc.h	91.97 KB	-rw-r--r--	2022-05-18 13:19
item_create.h	6.76 KB	-rw-r--r--	2022-05-18 13:19
item_func.h	80.86 KB	-rw-r--r--	2022-05-18 13:19
item_geofunc.h	23.31 KB	-rw-r--r--	2022-05-18 13:19
item_inetfunc.h	7.61 KB	-rw-r--r--	2022-05-18 13:19
item_jsonfunc.h	13.04 KB	-rw-r--r--	2022-05-18 13:19
item_row.h	4.33 KB	-rw-r--r--	2022-05-18 13:19
item_strfunc.h	46.53 KB	-rw-r--r--	2022-05-18 13:19
item_subselect.h	51.04 KB	-rw-r--r--	2022-05-18 13:19
item_sum.h	56.22 KB	-rw-r--r--	2022-05-18 13:19
item_timefunc.h	41 KB	-rw-r--r--	2022-05-18 13:19
item_windowfunc.h	22.36 KB	-rw-r--r--	2022-05-18 13:19
item_xmlfunc.h	3.42 KB	-rw-r--r--	2022-05-18 13:19
key.h	2.05 KB	-rw-r--r--	2022-05-18 13:19
keycaches.h	1.94 KB	-rw-r--r--	2022-05-18 13:19
lex.h	26.32 KB	-rw-r--r--	2022-05-18 13:19
lex_hash.h	126.06 KB	-rw-r--r--	2022-05-18 14:44
lex_symbol.h	1.29 KB	-rw-r--r--	2022-05-18 13:19
lex_token.h	37.96 KB	-rw-r--r--	2022-05-18 14:44
lf.h	6.24 KB	-rw-r--r--	2022-05-18 13:19
lock.h	2.11 KB	-rw-r--r--	2022-05-18 13:19
log.h	41.65 KB	-rw-r--r--	2022-05-18 13:19
log_event.h	158.17 KB	-rw-r--r--	2022-05-18 13:19
log_event_old.h	19.2 KB	-rw-r--r--	2022-05-18 13:19
log_slow.h	1.55 KB	-rw-r--r--	2022-05-18 13:19
maria.h	17.28 KB	-rw-r--r--	2022-05-18 13:19
mdl.h	33.03 KB	-rw-r--r--	2022-05-18 13:19
mem_root_array.h	6.77 KB	-rw-r--r--	2022-05-18 13:19
message.h	2.06 KB	-rw-r--r--	2022-05-18 13:19
multi_range_read.h	22.17 KB	-rw-r--r--	2022-05-18 13:19
my_alarm.h	2.24 KB	-rw-r--r--	2022-05-18 13:19
my_apc.h	4.61 KB	-rw-r--r--	2022-05-18 13:19
my_atomic.h	16.66 KB	-rw-r--r--	2022-05-18 13:19
my_base.h	25.05 KB	-rw-r--r--	2022-05-18 13:19
my_bit.h	3.15 KB	-rw-r--r--	2022-05-18 13:19
my_bitmap.h	5.98 KB	-rw-r--r--	2022-05-18 13:19
my_check_opt.h	2.56 KB	-rw-r--r--	2022-05-18 13:19
my_compare.h	5.36 KB	-rw-r--r--	2022-05-18 13:19
my_context.h	6.59 KB	-rw-r--r--	2022-05-18 13:19
my_cpu.h	1.45 KB	-rw-r--r--	2022-05-18 13:19
my_crypt.h	904 B	-rw-r--r--	2022-05-18 13:19
my_decimal.h	12.52 KB	-rw-r--r--	2022-05-18 13:19
my_default.h	2.47 KB	-rw-r--r--	2022-05-18 13:19
my_handler_errors.h	4.52 KB	-rw-r--r--	2022-05-18 13:19
my_json_writer.h	4.88 KB	-rw-r--r--	2022-05-18 13:19
my_libwrap.h	1.16 KB	-rw-r--r--	2022-05-18 13:19
my_md5.h	1.45 KB	-rw-r--r--	2022-05-18 13:19
my_nosys.h	1.4 KB	-rw-r--r--	2022-05-18 13:19
my_rdtsc.h	3.87 KB	-rw-r--r--	2022-05-18 13:19
my_rnd.h	1.04 KB	-rw-r--r--	2022-05-18 13:19
my_service_manager.h	1.47 KB	-rw-r--r--	2022-05-18 13:19
my_stacktrace.h	2.97 KB	-rw-r--r--	2022-05-18 13:19
my_time.h	8.75 KB	-rw-r--r--	2022-05-18 13:19
my_tree.h	3.89 KB	-rw-r--r--	2022-05-18 13:19
my_uctype.h	67.9 KB	-rw-r--r--	2022-05-18 13:19
my_user.h	1.12 KB	-rw-r--r--	2022-05-18 13:19
myisam.h	16.84 KB	-rw-r--r--	2022-05-18 13:19
myisamchk.h	4.7 KB	-rw-r--r--	2022-05-18 13:19
myisammrg.h	4.63 KB	-rw-r--r--	2022-05-18 13:19
myisampack.h	14.58 KB	-rw-r--r--	2022-05-18 13:19
mysql_async.h	1.77 KB	-rw-r--r--	2022-05-18 13:19
mysqld.h	31.32 KB	-rw-r--r--	2022-05-18 13:19
mysqld_default_groups.h	169 B	-rw-r--r--	2022-05-18 13:19
mysqld_suffix.h	1.17 KB	-rw-r--r--	2022-05-18 13:19
mysys_err.h	2.81 KB	-rw-r--r--	2022-05-18 13:19
nt_servc.h	3 KB	-rw-r--r--	2022-05-18 13:19
opt_range.h	53.25 KB	-rw-r--r--	2022-05-18 13:19
opt_subselect.h	13.76 KB	-rw-r--r--	2022-05-18 13:19
parse_file.h	4.12 KB	-rw-r--r--	2022-05-18 13:19
partition_element.h	4.52 KB	-rw-r--r--	2022-05-18 13:19
partition_info.h	14.25 KB	-rw-r--r--	2022-05-18 13:19
password.h	1.17 KB	-rw-r--r--	2022-05-18 13:19
pcre.h	30.97 KB	-rw-r--r--	2022-05-18 14:40
probes_mysql.h	973 B	-rw-r--r--	2022-05-18 13:19
probes_mysql_dtrace.h	32.23 KB	-rw-r--r--	2022-05-18 14:43
probes_mysql_nodtrace.h	4.89 KB	-rw-r--r--	2022-05-18 14:43
procedure.h	5.83 KB	-rw-r--r--	2022-05-18 13:19
protocol.h	9.72 KB	-rw-r--r--	2022-05-18 13:19
queues.h	3.51 KB	-rw-r--r--	2022-05-18 13:19
records.h	2.99 KB	-rw-r--r--	2022-05-18 13:19
repl_failsafe.h	1.69 KB	-rw-r--r--	2022-05-18 13:19
replication.h	15.96 KB	-rw-r--r--	2022-05-18 13:19
rijndael.h	1.67 KB	-rw-r--r--	2022-05-18 13:19
rpl_constants.h	3.28 KB	-rw-r--r--	2022-05-18 13:19
rpl_filter.h	4.41 KB	-rw-r--r--	2022-05-18 13:19
rpl_gtid.h	10.47 KB	-rw-r--r--	2022-05-18 13:19
rpl_handler.h	5.53 KB	-rw-r--r--	2022-05-18 13:19
rpl_injector.h	9.42 KB	-rw-r--r--	2022-05-18 13:19
rpl_mi.h	12.36 KB	-rw-r--r--	2022-05-18 13:19
rpl_parallel.h	13.3 KB	-rw-r--r--	2022-05-18 13:19
rpl_record.h	1.61 KB	-rw-r--r--	2022-05-18 13:19
rpl_record_old.h	1.37 KB	-rw-r--r--	2022-05-18 13:19
rpl_reporting.h	2.96 KB	-rw-r--r--	2022-05-18 13:19
rpl_rli.h	31.89 KB	-rw-r--r--	2022-05-18 13:19
rpl_tblmap.h	3.1 KB	-rw-r--r--	2022-05-18 13:19
rpl_utility.h	9.32 KB	-rw-r--r--	2022-05-18 13:19
scheduler.h	3.43 KB	-rw-r--r--	2022-05-18 13:19
service_versions.h	1.82 KB	-rw-r--r--	2022-05-18 13:19
session_tracker.h	8.8 KB	-rw-r--r--	2022-05-18 13:19
set_var.h	14.52 KB	-rw-r--r--	2022-05-18 13:19
slave.h	11.14 KB	-rw-r--r--	2022-05-18 13:19
sp.h	7.13 KB	-rw-r--r--	2022-05-18 13:19
sp_cache.h	2.02 KB	-rw-r--r--	2022-05-18 13:19
sp_head.h	36.17 KB	-rw-r--r--	2022-05-18 13:19
sp_pcontext.h	16.61 KB	-rw-r--r--	2022-05-18 13:19
sp_rcontext.h	15.43 KB	-rw-r--r--	2022-05-18 13:19
span.h	3.83 KB	-rw-r--r--	2022-05-18 13:19
spatial.h	20.68 KB	-rw-r--r--	2022-05-18 13:19
sql_acl.h	17.23 KB	-rw-r--r--	2022-05-18 13:19
sql_admin.h	2.69 KB	-rw-r--r--	2022-05-18 13:19
sql_alter.h	12 KB	-rw-r--r--	2022-05-18 13:19
sql_analyse.h	10.91 KB	-rw-r--r--	2022-05-18 13:19
sql_analyze_stmt.h	7.61 KB	-rw-r--r--	2022-05-18 13:19
sql_array.h	5.92 KB	-rw-r--r--	2022-05-18 13:19
sql_audit.h	14.57 KB	-rw-r--r--	2022-05-18 13:19
sql_base.h	24.9 KB	-rw-r--r--	2022-05-18 13:19
sql_basic_types.h	951 B	-rw-r--r--	2022-05-18 13:19
sql_binlog.h	895 B	-rw-r--r--	2022-05-18 13:19
sql_bitmap.h	7.2 KB	-rw-r--r--	2022-05-18 13:19
sql_bootstrap.h	1.63 KB	-rw-r--r--	2022-05-18 13:19
sql_cache.h	20.88 KB	-rw-r--r--	2022-05-18 13:19
sql_callback.h	1.51 KB	-rw-r--r--	2022-05-18 13:19
sql_class.h	195.45 KB	-rw-r--r--	2022-05-18 13:19
sql_cmd.h	7.26 KB	-rw-r--r--	2022-05-18 13:19
sql_connect.h	3.56 KB	-rw-r--r--	2022-05-18 13:19
sql_const.h	10.43 KB	-rw-r--r--	2022-05-18 13:19
sql_crypt.h	1.39 KB	-rw-r--r--	2022-05-18 13:19
sql_cte.h	14.64 KB	-rw-r--r--	2022-05-18 13:19
sql_cursor.h	2.02 KB	-rw-r--r--	2022-05-18 13:19
sql_db.h	2.01 KB	-rw-r--r--	2022-05-18 13:19
sql_delete.h	1.32 KB	-rw-r--r--	2022-05-18 13:19
sql_derived.h	1.51 KB	-rw-r--r--	2022-05-18 13:19
sql_digest.h	3.72 KB	-rw-r--r--	2022-05-18 13:19
sql_digest_stream.h	1.53 KB	-rw-r--r--	2022-05-18 13:19
sql_do.h	954 B	-rw-r--r--	2022-05-18 13:19
sql_error.h	29.86 KB	-rw-r--r--	2022-05-18 13:19
sql_explain.h	24.63 KB	-rw-r--r--	2022-05-18 13:19
sql_expression_cache.h	4.21 KB	-rw-r--r--	2022-05-18 13:19
sql_get_diagnostics.h	7.66 KB	-rw-r--r--	2022-05-18 13:19
sql_handler.h	2.68 KB	-rw-r--r--	2022-05-18 13:19
sql_help.h	920 B	-rw-r--r--	2022-05-18 13:19
sql_hset.h	3.2 KB	-rw-r--r--	2022-05-18 13:19
sql_insert.h	2.06 KB	-rw-r--r--	2022-05-18 13:19
sql_join_cache.h	46.6 KB	-rw-r--r--	2022-05-18 13:19
sql_lex.h	103.48 KB	-rw-r--r--	2022-05-18 13:19
sql_lifo_buffer.h	9.23 KB	-rw-r--r--	2022-05-18 13:19
sql_list.h	21.37 KB	-rw-r--r--	2022-05-18 13:19
sql_load.h	1.24 KB	-rw-r--r--	2022-05-18 13:19
sql_locale.h	2.67 KB	-rw-r--r--	2022-05-18 13:19
sql_manager.h	960 B	-rw-r--r--	2022-05-18 13:19
sql_mode.h	6.57 KB	-rw-r--r--	2022-05-18 13:19
sql_parse.h	8.02 KB	-rw-r--r--	2022-05-18 13:19
sql_partition.h	11.43 KB	-rw-r--r--	2022-05-18 13:19
sql_partition_admin.h	5.68 KB	-rw-r--r--	2022-05-18 13:19
sql_plist.h	7.58 KB	-rw-r--r--	2022-05-18 13:19
sql_plugin.h	7.48 KB	-rw-r--r--	2022-05-18 13:19
sql_plugin_compat.h	2.18 KB	-rw-r--r--	2022-05-18 13:19
sql_prepare.h	11.3 KB	-rw-r--r--	2022-05-18 13:19
sql_priv.h	15.99 KB	-rw-r--r--	2022-05-18 13:19
sql_profile.h	7.39 KB	-rw-r--r--	2022-05-18 13:19
sql_reload.h	1.01 KB	-rw-r--r--	2022-05-18 13:19
sql_rename.h	941 B	-rw-r--r--	2022-05-18 13:19
sql_repl.h	3.24 KB	-rw-r--r--	2022-05-18 13:19
sql_select.h	77.03 KB	-rw-r--r--	2022-05-18 13:19
sql_servers.h	1.78 KB	-rw-r--r--	2022-05-18 13:19
sql_show.h	8.84 KB	-rw-r--r--	2022-05-18 13:19
sql_signal.h	4.05 KB	-rw-r--r--	2022-05-18 13:19
sql_sort.h	4.1 KB	-rw-r--r--	2022-05-18 13:19
sql_statistics.h	11.56 KB	-rw-r--r--	2022-05-18 13:19
sql_string.h	21.94 KB	-rw-r--r--	2022-05-18 13:19
sql_table.h	11.06 KB	-rw-r--r--	2022-05-18 13:19
sql_tablespace.h	956 B	-rw-r--r--	2022-05-18 13:19
sql_test.h	1.45 KB	-rw-r--r--	2022-05-18 13:19
sql_time.h	10.28 KB	-rw-r--r--	2022-05-18 13:19
sql_trigger.h	10.58 KB	-rw-r--r--	2022-05-18 13:19
sql_truncate.h	2.01 KB	-rw-r--r--	2022-05-18 13:19
sql_type.h	19.73 KB	-rw-r--r--	2022-05-18 13:19
sql_type_int.h	2.85 KB	-rw-r--r--	2022-05-18 13:19
sql_udf.h	4.04 KB	-rw-r--r--	2022-05-18 13:19
sql_union.h	1.1 KB	-rw-r--r--	2022-05-18 13:19
sql_update.h	1.92 KB	-rw-r--r--	2022-05-18 13:19
sql_view.h	2.26 KB	-rw-r--r--	2022-05-18 13:19
sql_window.h	5.89 KB	-rw-r--r--	2022-05-18 13:19
sql_yacc.h	35.19 KB	-rw-r--r--	2022-05-18 13:19
ssl_compat.h	2.97 KB	-rw-r--r--	2022-05-18 13:19
strfunc.h	2.21 KB	-rw-r--r--	2022-05-18 13:19
structs.h	20.36 KB	-rw-r--r--	2022-05-18 13:19
sys_vars_shared.h	2.6 KB	-rw-r--r--	2022-05-18 13:19
t_ctype.h	5.51 KB	-rw-r--r--	2022-05-18 13:19
table.h	95.89 KB	-rw-r--r--	2022-05-18 13:19
table_cache.h	4.24 KB	-rw-r--r--	2022-05-18 13:19
thr_alarm.h	2.87 KB	-rw-r--r--	2022-05-18 13:19
thr_lock.h	6.66 KB	-rw-r--r--	2022-05-18 13:19
thr_malloc.h	1.22 KB	-rw-r--r--	2022-05-18 13:19
thr_timer.h	1.43 KB	-rw-r--r--	2022-05-18 13:19
thread_pool_priv.h	4.48 KB	-rw-r--r--	2022-05-18 13:19
threadpool.h	4.32 KB	-rw-r--r--	2022-05-18 13:19
transaction.h	1.57 KB	-rw-r--r--	2022-05-18 13:19
tzfile.h	4.9 KB	-rw-r--r--	2022-05-18 13:19
tztime.h	3.28 KB	-rw-r--r--	2022-05-18 13:19
uniques.h	4.05 KB	-rw-r--r--	2022-05-18 13:19
unireg.h	7.22 KB	-rw-r--r--	2022-05-18 13:19
violite.h	9.83 KB	-rw-r--r--	2022-05-18 13:19
waiting_threads.h	4.45 KB	-rw-r--r--	2022-05-18 13:19
welcome_copyright_notice.h	1.19 KB	-rw-r--r--	2022-05-18 13:19
win_tzname_data.h	6.31 KB	-rw-r--r--	2022-05-18 13:19
winservice.h	1.17 KB	-rw-r--r--	2022-05-18 13:19
wqueue.h	1.55 KB	-rw-r--r--	2022-05-18 13:19
wsrep.h	3.01 KB	-rw-r--r--	2022-05-18 13:19
wsrep_applier.h	1.67 KB	-rw-r--r--	2022-05-18 13:19
wsrep_binlog.h	2.06 KB	-rw-r--r--	2022-05-18 13:19
wsrep_mysqld.h	13.88 KB	-rw-r--r--	2022-05-18 13:19
wsrep_mysqld_c.h	1.2 KB	-rw-r--r--	2022-05-18 13:19
wsrep_priv.h	2.07 KB	-rw-r--r--	2022-05-18 13:19
wsrep_sst.h	3.08 KB	-rw-r--r--	2022-05-18 13:19
wsrep_thd.h	2.05 KB	-rw-r--r--	2022-05-18 13:19
wsrep_utils.h	9.02 KB	-rw-r--r--	2022-05-18 13:19
wsrep_var.h	3.72 KB	-rw-r--r--	2022-05-18 13:19
wsrep_xid.h	1.38 KB	-rw-r--r--	2022-05-18 13:19

Rename

/* -*- C++ -*- */
/* Copyright (c) 2002, 2010, Oracle and/or its affiliates. All rights reserved.

This program is free software; you can redistribute it and/or modify
   it under the terms of the GNU General Public License as published by
   the Free Software Foundation; version 2 of the License.

This program is distributed in the hope that it will be useful,
   but WITHOUT ANY WARRANTY; without even the implied warranty of
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   GNU General Public License for more details.

You should have received a copy of the GNU General Public License
   along with this program; if not, write to the Free Software
   Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1335  USA */

#ifndef _SP_PCONTEXT_H_
#define _SP_PCONTEXT_H_

#ifdef USE_PRAGMA_INTERFACE
#pragma interface			/* gcc class implementation */
#endif

#include "sql_string.h"                         // LEX_STRING
#include "mysql_com.h"                          // enum_field_types
#include "field.h"                              // Create_field
#include "sql_array.h"                          // Dynamic_array

/// This class represents a stored program variable or a parameter
/// (also referenced as 'SP-variable').

class sp_variable : public Sql_alloc
{
public:
  enum enum_mode
  {
    MODE_IN,
    MODE_OUT,
    MODE_INOUT
  };

/// Name of the SP-variable.
  LEX_STRING name;

/// Mode of the SP-variable.
  enum_mode mode;

/// The index to the variable's value in the runtime frame.
  ///
  /// It is calculated during parsing and used when creating sp_instr_set
  /// instructions and Item_splocal items. I.e. values are set/referred by
  /// array indexing in runtime.
  uint offset;

/// Default value of the SP-variable (if any).
  Item *default_value;

/// Full type information (field meta-data) of the SP-variable.
  Column_definition field_def;

/// Field-type of the SP-variable.
  enum_field_types sql_type() const { return field_def.sql_type; }
public:
  sp_variable(LEX_STRING _name, uint _offset)
   :Sql_alloc(),
    name(_name),
    mode(MODE_IN),
    offset(_offset),
    default_value(NULL)
  { }
};

///////////////////////////////////////////////////////////////////////////

/// This class represents an SQL/PSM label. Can refer to the identifier
/// used with the "label_name:" construct which may precede some SQL/PSM
/// statements, or to an implicit implementation-dependent identifier which
/// the parser inserts before a high-level flow control statement such as
/// IF/WHILE/REPEAT/LOOP, when such statement is rewritten into a
/// combination of low-level jump/jump_if instructions and labels.

class sp_label : public Sql_alloc
{
public:
  enum enum_type
  {
    /// Implicit label generated by parser.
    IMPLICIT,

/// Label at BEGIN.
    BEGIN,

/// Label at iteration control
    ITERATION
  };

/// Name of the label.
  LEX_STRING name;

/// Instruction pointer of the label.
  uint ip;

/// Type of the label.
  enum_type type;

/// Scope of the label.
  class sp_pcontext *ctx;

public:
  sp_label(LEX_STRING _name, uint _ip, enum_type _type, sp_pcontext *_ctx)
   :Sql_alloc(),
    name(_name),
    ip(_ip),
    type(_type),
    ctx(_ctx)
  { }
};

///////////////////////////////////////////////////////////////////////////

/// This class represents condition-value term in DECLARE CONDITION or
/// DECLARE HANDLER statements. sp_condition_value has little to do with
/// SQL-conditions.
///
/// In some sense, this class is a union -- a set of filled attributes
/// depends on the sp_condition_value::type value.

class sp_condition_value : public Sql_alloc
{
public:
  enum enum_type
  {
    ERROR_CODE,
    SQLSTATE,
    WARNING,
    NOT_FOUND,
    EXCEPTION
  };

/// Type of the condition value.
  enum_type type;

/// SQLSTATE of the condition value.
  char sql_state[SQLSTATE_LENGTH+1];

/// MySQL error code of the condition value.
  uint mysqlerr;

public:
  sp_condition_value(uint _mysqlerr)
   :Sql_alloc(),
    type(ERROR_CODE),
    mysqlerr(_mysqlerr)
  { }

sp_condition_value(const char *_sql_state)
   :Sql_alloc(),
    type(SQLSTATE)
  {
    memcpy(sql_state, _sql_state, SQLSTATE_LENGTH);
    sql_state[SQLSTATE_LENGTH]= 0;
  }

sp_condition_value(enum_type _type)
   :Sql_alloc(),
    type(_type)
  {
    DBUG_ASSERT(type != ERROR_CODE && type != SQLSTATE);
  }

/// Check if two instances of sp_condition_value are equal or not.
  ///
  /// @param cv another instance of sp_condition_value to check.
  ///
  /// @return true if the instances are equal, false otherwise.
  bool equals(const sp_condition_value *cv) const;
};

///////////////////////////////////////////////////////////////////////////

/// This class represents 'DECLARE CONDITION' statement.
/// sp_condition has little to do with SQL-conditions.

class sp_condition : public Sql_alloc
{
public:
  /// Name of the condition.
  LEX_STRING name;

/// Value of the condition.
  sp_condition_value *value;

public:
  sp_condition(LEX_STRING _name, sp_condition_value *_value)
   :Sql_alloc(),
    name(_name),
    value(_value)
  { }
};

///////////////////////////////////////////////////////////////////////////

/// This class represents 'DECLARE HANDLER' statement.

class sp_handler : public Sql_alloc
{
public:
  /// Enumeration of possible handler types.
  /// Note: UNDO handlers are not (and have never been) supported.
  enum enum_type
  {
    EXIT,
    CONTINUE
  };

/// Handler type.
  enum_type type;

/// Conditions caught by this handler.
  List<sp_condition_value> condition_values;

public:
  /// The constructor.
  ///
  /// @param _type SQL-handler type.
  sp_handler(enum_type _type)
   :Sql_alloc(),
    type(_type)
  { }
};

///////////////////////////////////////////////////////////////////////////

/// The class represents parse-time context, which keeps track of declared
/// variables/parameters, conditions, handlers, cursors and labels.
///
/// sp_pcontext objects are organized in a tree according to the following
/// rules:
///   - one sp_pcontext object corresponds for for each BEGIN..END block;
///   - one sp_pcontext object corresponds for each exception handler;
///   - one additional sp_pcontext object is created to contain
///     Stored Program parameters.
///
/// sp_pcontext objects are used both at parse-time and at runtime.
///
/// During the parsing stage sp_pcontext objects are used:
///   - to look up defined names (e.g. declared variables and visible
///     labels);
///   - to check for duplicates;
///   - for error checking;
///   - to calculate offsets to be used at runtime.
///
/// During the runtime phase, a tree of sp_pcontext objects is used:
///   - for error checking (e.g. to check correct number of parameters);
///   - to resolve SQL-handlers.

class sp_pcontext : public Sql_alloc
{
public:
  enum enum_scope
  {
    /// REGULAR_SCOPE designates regular BEGIN ... END blocks.
    REGULAR_SCOPE,

/// HANDLER_SCOPE designates SQL-handler blocks.
    HANDLER_SCOPE
  };

public:
  sp_pcontext();
  ~sp_pcontext();

/// Create and push a new context in the tree.

/// @param thd   thread context.
  /// @param scope scope of the new parsing context.
  /// @return the node created.
  sp_pcontext *push_context(THD *thd, enum_scope scope);

/// Pop a node from the parsing context tree.
  /// @return the parent node.
  sp_pcontext *pop_context();

sp_pcontext *parent_context() const
  { return m_parent; }

/// Calculate and return the number of handlers to pop between the given
  /// context and this one.
  ///
  /// @param ctx       the other parsing context.
  /// @param exclusive specifies if the last scope should be excluded.
  ///
  /// @return the number of handlers to pop between the given context and
  /// this one.  If 'exclusive' is true, don't count the last scope we are
  /// leaving; this is used for LEAVE where we will jump to the hpop
  /// instructions.
  uint diff_handlers(const sp_pcontext *ctx, bool exclusive) const;

/// Calculate and return the number of cursors to pop between the given
  /// context and this one.
  ///
  /// @param ctx       the other parsing context.
  /// @param exclusive specifies if the last scope should be excluded.
  ///
  /// @return the number of cursors to pop between the given context and
  /// this one.  If 'exclusive' is true, don't count the last scope we are
  /// leaving; this is used for LEAVE where we will jump to the cpop
  /// instructions.
  uint diff_cursors(const sp_pcontext *ctx, bool exclusive) const;

/////////////////////////////////////////////////////////////////////////
  // SP-variables (parameters and variables).
  /////////////////////////////////////////////////////////////////////////

/// @return the maximum number of variables used in this and all child
  /// contexts. For the root parsing context, this gives us the number of
  /// slots needed for variables during the runtime phase.
  uint max_var_index() const
  { return m_max_var_index; }

/// @return the current number of variables used in the parent contexts
  /// (from the root), including this context.
  uint current_var_count() const
  { return m_var_offset + (uint)m_vars.elements(); }

/// @return the number of variables in this context alone.
  uint context_var_count() const
  { return (uint)m_vars.elements(); }

/// @return map index in this parsing context to runtime offset.
  uint var_context2runtime(uint i) const
  { return m_var_offset + i; }

/// Add SP-variable to the parsing context.
  ///
  /// @param thd  Thread context.
  /// @param name Name of the SP-variable.
  ///
  /// @return instance of newly added SP-variable.
  sp_variable *add_variable(THD *thd, LEX_STRING name);

/// Retrieve full type information about SP-variables in this parsing
  /// context and its children.
  ///
  /// @param field_def_lst[out] Container to store type information.
  void retrieve_field_definitions(List<Column_definition> *field_def_lst) const;

/// Find SP-variable by name.
  ///
  /// The function does a linear search (from newer to older variables,
  /// in case we have shadowed names).
  ///
  /// The function is called only at parsing time.
  ///
  /// @param name               Variable name.
  /// @param current_scope_only A flag if we search only in current scope.
  ///
  /// @return instance of found SP-variable, or NULL if not found.
  sp_variable *find_variable(LEX_STRING name, bool current_scope_only) const;

/// Find SP-variable by the offset in the root parsing context.
  ///
  /// The function is used for two things:
  /// - When evaluating parameters at the beginning, and setting out parameters
  ///   at the end, of invocation. (Top frame only, so no recursion then.)
  /// - For printing of sp_instr_set. (Debug mode only.)
  ///
  /// @param offset Variable offset in the root parsing context.
  ///
  /// @return instance of found SP-variable, or NULL if not found.
  sp_variable *find_variable(uint offset) const;

/// Set the current scope boundary (for default values).
  ///
  /// @param n The number of variables to skip.
  void declare_var_boundary(uint n)
  { m_pboundary= n; }

/////////////////////////////////////////////////////////////////////////
  // CASE expressions.
  /////////////////////////////////////////////////////////////////////////

int register_case_expr()
  { return m_num_case_exprs++; }

int get_num_case_exprs() const
  { return m_num_case_exprs; }

bool push_case_expr_id(int case_expr_id)
  { return m_case_expr_ids.append(case_expr_id); }

void pop_case_expr_id()
  { m_case_expr_ids.pop(); }

int get_current_case_expr_id() const
  { return *m_case_expr_ids.back(); }

/////////////////////////////////////////////////////////////////////////
  // Labels.
  /////////////////////////////////////////////////////////////////////////

sp_label *push_label(THD *thd, LEX_STRING name, uint ip);

sp_label *find_label(LEX_STRING name);

sp_label *last_label()
  {
    sp_label *label= m_labels.head();

if (!label && m_parent)
      label= m_parent->last_label();

return label;
  }

sp_label *pop_label()
  { return m_labels.pop(); }

/////////////////////////////////////////////////////////////////////////
  // Conditions.
  /////////////////////////////////////////////////////////////////////////

bool add_condition(THD *thd, LEX_STRING name, sp_condition_value *value);

/// See comment for find_variable() above.
  sp_condition_value *find_condition(LEX_STRING name,
                                     bool current_scope_only) const;

/////////////////////////////////////////////////////////////////////////
  // Handlers.
  /////////////////////////////////////////////////////////////////////////

sp_handler *add_handler(THD* thd, sp_handler::enum_type type);

/// This is an auxilary parsing-time function to check if an SQL-handler
  /// exists in the current parsing context (current scope) for the given
  /// SQL-condition. This function is used to check for duplicates during
  /// the parsing phase.
  ///
  /// This function can not be used during the runtime phase to check
  /// SQL-handler existence because it searches for the SQL-handler in the
  /// current scope only (during runtime, current and parent scopes
  /// should be checked according to the SQL-handler resolution rules).
  ///
  /// @param condition_value the handler condition value
  ///                        (not SQL-condition!).
  ///
  /// @retval true if such SQL-handler exists.
  /// @retval false otherwise.
  bool check_duplicate_handler(const sp_condition_value *cond_value) const;

/// Find an SQL handler for the given SQL condition according to the
  /// SQL-handler resolution rules. This function is used at runtime.
  ///
  /// @param sql_state        The SQL condition state
  /// @param sql_errno        The error code
  /// @param level            The SQL condition level
  ///
  /// @return a pointer to the found SQL-handler or NULL.
  sp_handler *find_handler(const char *sql_state,
                           uint sql_errno,
                           Sql_condition::enum_warning_level level) const;

/////////////////////////////////////////////////////////////////////////
  // Cursors.
  /////////////////////////////////////////////////////////////////////////

bool add_cursor(LEX_STRING name);

/// See comment for find_variable() above.
  bool find_cursor(LEX_STRING name, uint *poff, bool current_scope_only) const;

/// Find cursor by offset (for debugging only).
  const LEX_STRING *find_cursor(uint offset) const;

uint max_cursor_index() const
  { return m_max_cursor_index + (uint)m_cursors.elements(); }

uint current_cursor_count() const
  { return m_cursor_offset + (uint)m_cursors.elements(); }

private:
  /// Constructor for a tree node.
  /// @param prev the parent parsing context
  /// @param scope scope of this parsing context
  sp_pcontext(sp_pcontext *prev, enum_scope scope);

void init(uint var_offset, uint cursor_offset, int num_case_expressions);

/* Prevent use of these */
  sp_pcontext(const sp_pcontext &);
  void operator=(sp_pcontext &);

private:
  /// m_max_var_index -- number of variables (including all types of arguments)
  /// in this context including all children contexts.
  ///
  /// m_max_var_index >= m_vars.elements().
  ///
  /// m_max_var_index of the root parsing context contains number of all
  /// variables (including arguments) in all enclosed contexts.
  uint m_max_var_index;

/// The maximum sub context's framesizes.
  uint m_max_cursor_index;

/// Parent context.
  sp_pcontext *m_parent;

/// An index of the first SP-variable in this parsing context. The index
  /// belongs to a runtime table of SP-variables.
  ///
  /// Note:
  ///   - m_var_offset is 0 for root parsing context;
  ///   - m_var_offset is different for all nested parsing contexts.
  uint m_var_offset;

/// Cursor offset for this context.
  uint m_cursor_offset;

/// Boundary for finding variables in this context. This is the number of
  /// variables currently "invisible" to default clauses. This is normally 0,
  /// but will be larger during parsing of DECLARE ... DEFAULT, to get the
  /// scope right for DEFAULT values.
  uint m_pboundary;

int m_num_case_exprs;

/// SP parameters/variables.
  Dynamic_array<sp_variable *> m_vars;

/// Stack of CASE expression ids.
  Dynamic_array<int> m_case_expr_ids;

/// Stack of SQL-conditions.
  Dynamic_array<sp_condition *> m_conditions;

/// Stack of cursors.
  Dynamic_array<LEX_STRING> m_cursors;

/// Stack of SQL-handlers.
  Dynamic_array<sp_handler *> m_handlers;

/// List of labels.
  List<sp_label> m_labels;

/// Children contexts, used for destruction.
  Dynamic_array<sp_pcontext *> m_children;

/// Scope of this parsing context.
  enum_scope m_scope;
}; // class sp_pcontext : public Sql_alloc

#endif /* _SP_PCONTEXT_H_ */