14#include "ruby/internal/config.h"
17#include "ccan/list/list.h"
19#include "debug_counter.h"
23#include "internal/class.h"
24#include "internal/compilers.h"
25#include "internal/error.h"
26#include "internal/eval.h"
27#include "internal/hash.h"
28#include "internal/object.h"
29#include "internal/re.h"
30#include "internal/symbol.h"
31#include "internal/thread.h"
32#include "internal/variable.h"
36#include "transient_heap.h"
40#include "ractor_core.h"
44#define GET_GLOBAL_CVAR_STATE() (ruby_vm_global_cvar_state)
46typedef void rb_gvar_compact_t(
void *var);
49static ID autoload, classpath, tmp_classpath;
54static VALUE autoload_features;
59static VALUE autoload_mutex;
61static void check_before_mod_set(
VALUE,
ID,
VALUE,
const char *);
63static VALUE rb_const_search(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility);
75 rb_global_tbl = rb_id_table_create(0);
76 generic_iv_tbl_ = st_init_numtable();
77 autoload = rb_intern_const(
"__autoload__");
79 classpath = rb_intern_const(
"__classpath__");
81 tmp_classpath = rb_intern_const(
"__tmp_classpath__");
85 rb_gc_register_mark_object(autoload_mutex);
87 autoload_features = rb_ident_hash_new();
89 rb_gc_register_mark_object(autoload_features);
93rb_namespace_p(
VALUE obj)
95 if (RB_SPECIAL_CONST_P(obj))
return false;
96 switch (RB_BUILTIN_TYPE(obj)) {
112classname(
VALUE klass,
int *permanent)
115 if (!RCLASS_EXT(klass))
return Qnil;
117 VALUE classpathv = rb_ivar_lookup(klass, classpath,
Qnil);
118 if (
RTEST(classpathv)) {
123 return rb_ivar_lookup(klass, tmp_classpath,
Qnil);;
137 return classname(mod, &permanent);
149 path =
rb_sprintf(
"#<Module:%p>", (
void*)obj);
152 path =
rb_sprintf(
"#<%"PRIsVALUE
":%p>", klass, (
void*)obj);
162rb_tmp_class_path(
VALUE klass,
int *permanent, fallback_func fallback)
164 VALUE path = classname(klass, permanent);
176 path = rb_tmp_class_path(
RBASIC(klass)->klass, &perm, fallback);
180 return fallback(klass, path);
188 VALUE path = rb_tmp_class_path(klass, &permanent, make_temporary_path);
206rb_search_class_path(
VALUE klass)
209 return rb_tmp_class_path(klass, &permanent, no_fallback);
218 return rb_fstring(path);
222build_const_path(
VALUE head,
ID tail)
224 return build_const_pathname(head, rb_id2str(tail));
231 ID pathid = classpath;
238 str = rb_tmp_class_path(under, &permanent, make_temporary_path);
239 str = build_const_pathname(str, name);
241 pathid = tmp_classpath;
259 const char *pbeg, *pend, *p, *path = RSTRING_PTR(pathname);
263 if (!rb_enc_asciicompat(enc)) {
267 pend = path + RSTRING_LEN(pathname);
268 if (path == pend || path[0] ==
'#') {
273 while (p < pend && *p !=
':') p++;
275 if (p < pend && p[0] ==
':') {
276 if ((
size_t)(pend - p) < 2 || p[1] !=
':')
goto undefined_class;
281 goto undefined_class;
283 c = rb_const_search(c,
id, TRUE, FALSE, FALSE);
284 if (UNDEF_P(c))
goto undefined_class;
285 if (!rb_namespace_p(c)) {
316 VALUE path = rb_tmp_class_path(
rb_class_real(klass), &permanent, make_temporary_path);
317 if (
NIL_P(path))
return NULL;
318 return RSTRING_PTR(path);
341 rb_gvar_compact_t *compactor;
352rb_find_global_entry(
ID id)
357 if (!rb_id_table_lookup(rb_global_tbl,
id, &data)) {
365 if (UNLIKELY(!rb_ractor_main_p()) && (!entry || !entry->ractor_local)) {
366 rb_raise(rb_eRactorIsolationError,
"can not access global variables %s from non-main Ractors",
rb_id2name(
id));
373rb_gvar_ractor_local(
const char *name)
376 entry->ractor_local =
true;
380rb_gvar_undef_compactor(
void *var)
394 entry->ractor_local =
false;
400 var->compactor = rb_gvar_undef_compactor;
402 var->block_trace = 0;
404 rb_id_table_insert(rb_global_tbl,
id, (
VALUE)entry);
412 rb_warning(
"global variable `%"PRIsVALUE
"' not initialized", QUOTE_ID(
id));
418rb_gvar_val_compactor(
void *_var)
425 VALUE new = rb_gc_location(obj);
427 var->data = (
void*)
new;
439 var->compactor = rb_gvar_val_compactor;
441 var->data = (
void*)val;
459 var->data = (
void*)val;
466 if (data) rb_gc_mark_movable(data);
472 if (!var)
return Qnil;
485 if (var) rb_gc_mark_maybe(*var);
491 rb_name_error(
id,
"%"PRIsVALUE
" is a read-only variable", QUOTE_ID(
id));
494static enum rb_id_table_iterator_result
495mark_global_entry(
VALUE v,
void *ignored)
501 (*var->marker)(var->data);
504 if (trace->data) rb_gc_mark_maybe(trace->data);
507 return ID_TABLE_CONTINUE;
511rb_gc_mark_global_tbl(
void)
514 rb_id_table_foreach_values(rb_global_tbl, mark_global_entry, 0);
518static enum rb_id_table_iterator_result
519update_global_entry(
VALUE v,
void *ignored)
524 (*var->compactor)(var);
525 return ID_TABLE_CONTINUE;
529rb_gc_update_global_tbl(
void)
532 rb_id_table_foreach_values(rb_global_tbl, update_global_entry, 0);
537global_id(
const char *name)
541 if (name[0] ==
'$')
id = rb_intern(name);
543 size_t len = strlen(name);
545 char *buf =
ALLOCV_N(
char, vbuf, len+1);
547 memcpy(buf+1, name, len);
555find_global_id(
const char *name)
558 size_t len = strlen(name);
560 if (name[0] ==
'$') {
565 char *buf =
ALLOCV_N(
char, vbuf, len+1);
567 memcpy(buf+1, name, len);
583 ID id = global_id(name);
586 gvar->data = (
void*)var;
630 if (rb_scan_args(argc, argv,
"11", &var, &cmd) == 1) {
638 trace->next = entry->var->trace;
639 trace->func = rb_trace_eval;
642 entry->var->trace = trace;
656 while (trace->next) {
659 trace->next = next->next;
677 rb_scan_args(argc, argv,
"11", &var, &cmd);
682 if ((entry = rb_find_global_entry(
id)) == NULL) {
683 rb_name_error(
id,
"undefined global variable %"PRIsVALUE
"", QUOTE_ID(
id));
686 trace = entry->var->trace;
688 VALUE ary = rb_ary_new();
692 rb_ary_push(ary, (
VALUE)trace->data);
697 if (!entry->var->block_trace) remove_trace(entry->var);
702 if (trace->data == cmd) {
704 if (!entry->var->block_trace) remove_trace(entry->var);
725 (*trace->func)(trace->data, data->val);
736 var->block_trace = 0;
747 (*var->setter)(val, entry->id, var->data);
749 if (var->trace && !var->block_trace) {
750 var->block_trace = 1;
751 trace.trace = var->trace;
764 return rb_gvar_set_entry(entry, val);
770 return rb_gvar_set(global_id(name), val);
778 return (*var->getter)(entry->id, var->data);
784 ID id = find_global_id(name);
787 rb_warning(
"global variable `%s' not initialized", name);
791 return rb_gvar_get(
id);
794MJIT_FUNC_EXPORTED
VALUE
795rb_gvar_defined(
ID id)
802rb_gvar_getter_function_of(
ID id)
805 return entry->var->getter;
809rb_gvar_setter_function_of(
ID id)
812 return entry->var->setter;
815static enum rb_id_table_iterator_result
816gvar_i(
ID key,
VALUE val,
void *a)
819 rb_ary_push(ary,
ID2SYM(key));
820 return ID_TABLE_CONTINUE;
826 VALUE ary = rb_ary_new();
829 if (!rb_ractor_main_p()) {
830 rb_raise(rb_eRactorIsolationError,
"can not access global variables from non-main Ractors");
833 rb_id_table_foreach(rb_global_tbl, gvar_i, (
void *)ary);
834 if (!
NIL_P(backref)) {
836 int i, nmatch = rb_match_count(backref);
838 for (i = 1; i <= nmatch; ++i) {
839 if (!rb_match_nth_defined(i, backref))
continue;
842 buf[1] = (char)(i +
'0');
849 rb_ary_push(ary, sym);
862 if (!rb_ractor_main_p()) {
863 rb_raise(rb_eRactorIsolationError,
"can not access global variables from non-main Ractors");
867 if (!rb_id_table_lookup(gtbl, name1, &data1)) {
870 rb_id_table_insert(gtbl, name1, (
VALUE)entry1);
872 else if ((entry1 = (
struct rb_global_entry *)data1)->var != entry2->var) {
874 if (var->block_trace) {
878 if (var->counter == 0) {
891 entry2->var->counter++;
892 entry1->var = entry2->var;
896IVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR(
ID id)
898 if (UNLIKELY(!rb_ractor_main_p())) {
900 rb_raise(rb_eRactorIsolationError,
"can not set instance variables of classes/modules by non-main Ractors");
905#define CVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR() \
906 if (UNLIKELY(!rb_ractor_main_p())) { \
907 rb_raise(rb_eRactorIsolationError, "can not access class variables from non-main Ractors"); \
911generic_ivtbl(
VALUE obj,
ID id,
bool force_check_ractor)
916 !RB_OBJ_FROZEN_RAW(obj) &&
917 UNLIKELY(!rb_ractor_main_p()) &&
920 rb_raise(rb_eRactorIsolationError,
"can not access instance variables of shareable objects from non-main Ractors");
922 return generic_iv_tbl_;
926generic_ivtbl_no_ractor_check(
VALUE obj)
928 return generic_ivtbl(obj, 0,
false);
936 if (st_lookup(generic_ivtbl(obj,
id,
false), (st_data_t)obj, &data)) {
944MJIT_FUNC_EXPORTED
int
954 if (st_lookup(generic_ivtbl(obj,
id,
false), (st_data_t)obj, &data)) {
964MJIT_FUNC_EXPORTED
int
967 return rb_gen_ivtbl_get(obj, 0, ivtbl);
971gen_ivtbl_bytes(
size_t n)
977gen_ivtbl_resize(
struct gen_ivtbl *old, uint32_t n)
981 uint32_t len = old ? old->numiv : 0;
985 for (; len < n; len++) {
986 ivtbl->ivptr[len] =
Qundef;
994gen_ivtbl_dup(
const struct gen_ivtbl *orig)
996 size_t s = gen_ivtbl_bytes(orig->numiv);
999 memcpy(ivtbl, orig, s);
1006generic_ivar_update(st_data_t *k, st_data_t *v, st_data_t u,
int existing)
1008 ASSERT_vm_locking();
1015 if (ivup->iv_index < ivtbl->numiv) {
1016 ivup->ivtbl = ivtbl;
1021 ivtbl = gen_ivtbl_resize(ivtbl, ivup->shape->next_iv_index);
1023 *v = (st_data_t)ivtbl;
1024 ivup->ivtbl = ivtbl;
1025#if !SHAPE_IN_BASIC_FLAGS
1026 ivtbl->shape_id = rb_shape_id(ivup->shape);
1032gen_ivtbl_mark(
const struct gen_ivtbl *ivtbl)
1036 for (i = 0; i < ivtbl->numiv; i++) {
1037 rb_gc_mark(ivtbl->ivptr[i]);
1042rb_mark_generic_ivar(
VALUE obj)
1046 if (rb_gen_ivtbl_get(obj, 0, &ivtbl)) {
1047 gen_ivtbl_mark(ivtbl);
1054 st_data_t key = (st_data_t)rsrc;
1057 if (st_delete(generic_ivtbl_no_ractor_check(rsrc), &key, &ivtbl))
1058 st_insert(generic_ivtbl_no_ractor_check(dst), (st_data_t)dst, ivtbl);
1064 st_data_t key = (st_data_t)obj, ivtbl;
1066 if (st_delete(generic_ivtbl_no_ractor_check(obj), &key, &ivtbl))
1070RUBY_FUNC_EXPORTED
size_t
1071rb_generic_ivar_memsize(
VALUE obj)
1075 if (rb_gen_ivtbl_get(obj, 0, &ivtbl))
1076 return gen_ivtbl_bytes(ivtbl->numiv);
1080#if !SHAPE_IN_BASIC_FLAGS
1081MJIT_FUNC_EXPORTED shape_id_t
1082rb_generic_shape_id(
VALUE obj)
1085 shape_id_t shape_id = 0;
1089 st_table* global_iv_table = generic_ivtbl(obj, 0,
false);
1091 if (global_iv_table && st_lookup(global_iv_table, obj, (st_data_t *)&ivtbl)) {
1092 shape_id = ivtbl->shape_id;
1095 shape_id = SPECIAL_CONST_SHAPE_ID;
1105gen_ivtbl_count(
const struct gen_ivtbl *ivtbl)
1110 for (i = 0; i < ivtbl->numiv; i++) {
1111 if (!UNDEF_P(ivtbl->ivptr[i])) {
1124 shape_id_t shape_id;
1128#if SHAPE_IN_BASIC_FLAGS
1129 shape_id = RBASIC_SHAPE_ID(obj);
1141#if !SHAPE_IN_BASIC_FLAGS
1142 shape_id = RCLASS_SHAPE_ID(obj);
1145 attr_index_t index = 0;
1146 shape = rb_shape_get_shape_by_id(shape_id);
1147 found = rb_shape_get_iv_index(shape,
id, &index);
1150 ivar_list = RCLASS_IVPTR(obj);
1153 val = ivar_list[index];
1163 UNLIKELY(!rb_ractor_main_p()) &&
1166 "can not get unshareable values from instance variables of classes/modules from non-main Ractors");
1172#if !SHAPE_IN_BASIC_FLAGS
1173 shape_id = ROBJECT_SHAPE_ID(obj);
1175 if (rb_shape_obj_too_complex(obj)) {
1176 struct rb_id_table * iv_table = ROBJECT_IV_HASH(obj);
1178 if (rb_id_table_lookup(iv_table,
id, &val)) {
1187 ivar_list = ROBJECT_IVPTR(obj);
1193 rb_gen_ivtbl_get(obj,
id, &ivtbl);
1194#if !SHAPE_IN_BASIC_FLAGS
1195 shape_id = ivtbl->shape_id;
1197 ivar_list = ivtbl->ivptr;
1205 attr_index_t index = 0;
1206 shape = rb_shape_get_shape_by_id(shape_id);
1207 if (rb_shape_get_iv_index(shape,
id, &index)) {
1208 return ivar_list[index];
1217 VALUE iv = rb_ivar_lookup(obj,
id,
Qnil);
1218 RB_DEBUG_COUNTER_INC(ivar_get_base);
1225 return rb_ivar_lookup(obj,
id,
Qnil);
1234 rb_shape_t * shape = rb_shape_get_shape(obj);
1239 IVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR(
id);
1243 rb_shape_transition_shape_remove_ivar(obj,
id, shape, &val);
1249 rb_shape_transition_shape_remove_ivar(obj,
id, shape, &val);
1254 rb_shape_transition_shape_remove_ivar(obj,
id, shape, &val);
1264rb_attr_delete(
VALUE obj,
ID id)
1266 return rb_ivar_delete(obj,
id,
Qnil);
1277 bool found = rb_shape_get_iv_index(shape,
id, &index);
1279 index = shape->next_iv_index;
1280 shape = rb_shape_get_next(shape, obj,
id);
1288 ivup.iv_index = (uint32_t)index;
1290 st_update(generic_ivtbl(obj,
id,
false), (st_data_t)obj, generic_ivar_update, (st_data_t)&ivup);
1294 ivup.ivtbl->ivptr[ivup.iv_index] = val;
1298 rb_shape_set_shape(obj, shape);
1303obj_ivar_heap_alloc(
VALUE obj,
size_t newsize)
1305 VALUE *newptr = rb_transient_heap_alloc(obj,
sizeof(
VALUE) * newsize);
1307 if (newptr != NULL) {
1308 ROBJ_TRANSIENT_SET(obj);
1311 ROBJ_TRANSIENT_UNSET(obj);
1318obj_ivar_heap_realloc(
VALUE obj, int32_t len,
size_t newsize)
1323 if (ROBJ_TRANSIENT_P(obj)) {
1325 newptr = obj_ivar_heap_alloc(obj, newsize);
1328 ROBJECT(obj)->as.heap.ivptr = newptr;
1329 for (i=0; i<(int)len; i++) {
1330 newptr[i] = orig_ptr[i];
1335 newptr =
ROBJECT(obj)->as.heap.ivptr;
1341#if USE_TRANSIENT_HEAP
1343rb_obj_transient_heap_evacuate(
VALUE obj,
int promote)
1345 if (ROBJ_TRANSIENT_P(obj)) {
1346 assert(!RB_FL_TEST_RAW(obj, ROBJECT_EMBED));
1348 uint32_t len = ROBJECT_IV_CAPACITY(obj);
1350 const VALUE *old_ptr = ROBJECT_IVPTR(obj);
1355 ROBJ_TRANSIENT_UNSET(obj);
1358 new_ptr = obj_ivar_heap_alloc(obj, len);
1361 ROBJECT(obj)->as.heap.ivptr = new_ptr;
1367rb_ensure_iv_list_size(
VALUE obj, uint32_t current_capacity, uint32_t new_capacity)
1370 VALUE *ptr = ROBJECT_IVPTR(obj);
1373 if (
RBASIC(obj)->flags & ROBJECT_EMBED) {
1374 newptr = obj_ivar_heap_alloc(obj, new_capacity);
1376 RB_FL_UNSET_RAW(obj, ROBJECT_EMBED);
1377 ROBJECT(obj)->as.heap.ivptr = newptr;
1380 newptr = obj_ivar_heap_realloc(obj, current_capacity, new_capacity);
1385rb_ensure_generic_iv_list_size(
VALUE obj, uint32_t newsize)
1391 if (UNLIKELY(!gen_ivtbl_get_unlocked(obj, 0, &ivtbl) || newsize > ivtbl->numiv)) {
1392 ivtbl = gen_ivtbl_resize(ivtbl, newsize);
1393 st_insert(generic_ivtbl_no_ractor_check(obj), (st_data_t)obj, (st_data_t)ivtbl);
1406rb_grow_iv_list(
VALUE obj)
1408 rb_shape_t * initial_shape = rb_shape_get_shape(obj);
1409 uint32_t len = initial_shape->capacity;
1411 uint32_t newsize = (uint32_t)(len * 2);
1413 rb_shape_t * res = rb_shape_transition_shape_capa(initial_shape, newsize);
1415 rb_ensure_iv_list_size(obj, len, newsize);
1417 rb_shape_set_shape(obj, res);
1423rb_obj_evacuate_ivs_to_hash_table(
ID key,
VALUE val, st_data_t arg)
1425 rb_id_table_insert((
struct rb_id_table *)arg, key, val);
1435 uint32_t num_iv = shape->capacity;
1437 if (rb_shape_obj_too_complex(obj)) {
1438 struct rb_id_table * table = ROBJECT_IV_HASH(obj);
1439 rb_id_table_insert(table,
id, val);
1444 if (!rb_shape_get_iv_index(shape,
id, &index)) {
1445 index = shape->next_iv_index;
1446 if (index >= MAX_IVARS) {
1452 if (UNLIKELY(shape->next_iv_index >= num_iv)) {
1455 shape = rb_grow_iv_list(obj);
1456 RUBY_ASSERT(shape->type == SHAPE_CAPACITY_CHANGE);
1459 rb_shape_t *next_shape = rb_shape_get_next(shape, obj,
id);
1461 if (next_shape->type == SHAPE_OBJ_TOO_COMPLEX) {
1462 struct rb_id_table * table = rb_id_table_create(shape->next_iv_index);
1465 rb_ivar_foreach(obj, rb_obj_evacuate_ivs_to_hash_table, (st_data_t)table);
1468 rb_id_table_insert(table,
id, val);
1471 rb_shape_set_too_complex(obj);
1474 if (ROBJ_TRANSIENT_P(obj)) {
1475 ROBJ_TRANSIENT_UNSET(obj);
1477 else if (!(
RBASIC(obj)->flags & ROBJECT_EMBED)) {
1486 rb_shape_set_shape(obj, next_shape);
1488 RUBY_ASSERT(index == (next_shape->next_iv_index - 1));
1506 rb_obj_ivar_set(obj,
id, val);
1511rb_shape_set_shape_id(
VALUE obj, shape_id_t shape_id)
1513 if (rb_shape_get_shape_id(obj) == shape_id) {
1517#if SHAPE_IN_BASIC_FLAGS
1518 RBASIC_SET_SHAPE_ID(obj, shape_id);
1522 ROBJECT_SET_SHAPE_ID(obj, shape_id);
1526 RCLASS_EXT(obj)->shape_id = shape_id;
1529 if (shape_id != SPECIAL_CONST_SHAPE_ID) {
1533 st_table* global_iv_table = generic_ivtbl(obj, 0,
false);
1535 if (st_lookup(global_iv_table, obj, (st_data_t *)&ivtbl)) {
1536 ivtbl->shape_id = shape_id;
1539 rb_bug(
"Expected shape_id entry in global iv table");
1558 if (RB_FL_ABLE(x)) {
1559 RB_OBJ_FREEZE_RAW(x);
1561 rb_shape_transition_shape_frozen(x);
1572 RB_DEBUG_COUNTER_INC(ivar_set_base);
1577 rb_obj_ivar_set(obj,
id, val);
1582 IVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR(
id);
1583 rb_class_ivar_set(obj,
id, val);
1587 generic_ivar_set(obj,
id, val);
1596 ivar_set(obj,
id, val);
1606 ivar_set(obj,
id, val);
1615 if (rb_shape_obj_too_complex(obj)) {
1617 if (!rb_id_table_lookup(ROBJECT_IV_HASH(obj),
id, &idx)) {
1624 return RBOOL(rb_shape_get_iv_index(rb_shape_get_shape(obj),
id, &index));
1628typedef int rb_ivar_foreach_callback_func(
ID key,
VALUE val, st_data_t arg);
1629st_data_t rb_st_nth_key(
st_table *tab, st_index_t index);
1635 rb_ivar_foreach_callback_func *func;
1639iterate_over_shapes_with_callback(
rb_shape_t *shape, rb_ivar_foreach_callback_func *callback,
struct iv_itr_data * itr_data)
1641 switch ((
enum shape_type)shape->type) {
1645 iterate_over_shapes_with_callback(rb_shape_get_parent(shape), callback, itr_data);
1649 RUBY_ASSERT(!rb_shape_obj_too_complex(itr_data->obj));
1650 iv_list = ROBJECT_IVPTR(itr_data->obj);
1654 iv_list = RCLASS_IVPTR(itr_data->obj);
1657 iv_list = itr_data->ivtbl->ivptr;
1660 VALUE val = iv_list[shape->next_iv_index - 1];
1661 if (!UNDEF_P(val)) {
1662 callback(shape->edge_name, val, itr_data->arg);
1665 case SHAPE_INITIAL_CAPACITY:
1666 case SHAPE_CAPACITY_CHANGE:
1668 case SHAPE_T_OBJECT:
1669 iterate_over_shapes_with_callback(rb_shape_get_parent(shape), callback, itr_data);
1671 case SHAPE_OBJ_TOO_COMPLEX:
1676static enum rb_id_table_iterator_result
1677each_hash_iv(
ID id,
VALUE val,
void *data)
1680 rb_ivar_foreach_callback_func *callback = itr_data->func;
1681 return callback(
id, val, itr_data->arg);
1685obj_ivar_each(
VALUE obj, rb_ivar_foreach_callback_func *func, st_data_t arg)
1691 itr_data.func = func;
1692 if (rb_shape_obj_too_complex(obj)) {
1693 rb_id_table_foreach(ROBJECT_IV_HASH(obj), each_hash_iv, &itr_data);
1696 iterate_over_shapes_with_callback(shape, func, &itr_data);
1701gen_ivar_each(
VALUE obj, rb_ivar_foreach_callback_func *func, st_data_t arg)
1705 if (!rb_gen_ivtbl_get(obj, 0, &ivtbl))
return;
1709 itr_data.ivtbl = ivtbl;
1711 iterate_over_shapes_with_callback(shape, func, &itr_data);
1715class_ivar_each(
VALUE obj, rb_ivar_foreach_callback_func *func, st_data_t arg)
1723 iterate_over_shapes_with_callback(shape, func, &itr_data);
1738 if (rb_gen_ivtbl_get(obj, 0, &obj_ivtbl)) {
1739 if (gen_ivtbl_count(obj_ivtbl) == 0)
1742 new_ivtbl = gen_ivtbl_resize(0, obj_ivtbl->numiv);
1745 for (uint32_t i=0; i<obj_ivtbl->numiv; i++) {
1746 new_ivtbl->ivptr[i] = obj_ivtbl->ivptr[i];
1756 generic_ivtbl_no_ractor_check(clone);
1757 st_insert(generic_ivtbl_no_ractor_check(obj), (st_data_t)clone, (st_data_t)new_ivtbl);
1761 rb_shape_t * obj_shape = rb_shape_get_shape(obj);
1762 if (rb_shape_frozen_shape_p(obj_shape)) {
1763 rb_shape_set_shape_id(clone, obj_shape->parent_id);
1766 rb_shape_set_shape(clone, obj_shape);
1779rb_replace_generic_ivar(
VALUE clone,
VALUE obj)
1785 st_data_t ivtbl, obj_data = (st_data_t)obj;
1786 if (st_lookup(generic_iv_tbl_, (st_data_t)obj, &ivtbl)) {
1787 st_insert(generic_iv_tbl_, (st_data_t)clone, ivtbl);
1788 st_delete(generic_iv_tbl_, &obj_data, NULL);
1805 obj_ivar_each(obj, func, arg);
1809 IVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR(0);
1812 class_ivar_each(obj, func, arg);
1818 gen_ivar_each(obj, func, arg);
1831 if (rb_shape_obj_too_complex(obj)) {
1832 return ROBJECT_IV_COUNT(obj);
1835 if (rb_shape_get_shape(obj)->next_iv_index > 0) {
1836 st_index_t i, count, num = ROBJECT_IV_COUNT(obj);
1837 const VALUE *
const ivptr = ROBJECT_IVPTR(obj);
1838 for (i = count = 0; i < num; ++i) {
1839 if (!UNDEF_P(ivptr[i])) {
1848 if (rb_shape_get_shape(obj)->next_iv_index > 0) {
1849 st_index_t count = 0;
1853 st_index_t i, num = rb_shape_get_shape(obj)->next_iv_index;
1854 const VALUE *
const ivptr = RCLASS_IVPTR(obj);
1855 for (i = count = 0; i < num; ++i) {
1856 if (!UNDEF_P(ivptr[i])) {
1870 if (rb_gen_ivtbl_get(obj, 0, &ivtbl)) {
1871 return gen_ivtbl_count(ivtbl);
1880ivar_i(st_data_t k, st_data_t v, st_data_t a)
1886 rb_ary_push(ary,
ID2SYM(key));
1918#define rb_is_constant_id rb_is_const_id
1919#define rb_is_constant_name rb_is_const_name
1920#define id_for_var(obj, name, part, type) \
1921 id_for_var_message(obj, name, type, "`%1$s' is not allowed as "#part" "#type" variable name")
1922#define id_for_var_message(obj, name, type, message) \
1923 check_id_type(obj, &(name), rb_is_##type##_id, rb_is_##type##_name, message, strlen(message))
1926 int (*valid_id_p)(
ID),
int (*valid_name_p)(
VALUE),
1927 const char *message,
size_t message_len)
1930 VALUE name = *pname;
1932 if (
id ? !valid_id_p(
id) : !valid_name_p(name)) {
1933 rb_name_err_raise_str(rb_fstring_new(message, message_len),
1967 const ID id = id_for_var(obj, name, an, instance);
1977 rb_shape_t * shape = rb_shape_get_shape(obj);
1982 IVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR(
id);
1983 rb_shape_transition_shape_remove_ivar(obj,
id, shape, &val);
1986 if (rb_shape_obj_too_complex(obj)) {
1987 if (rb_id_table_lookup(ROBJECT_IV_HASH(obj),
id, &val)) {
1988 rb_id_table_delete(ROBJECT_IV_HASH(obj),
id);
1992 rb_shape_transition_shape_remove_ivar(obj,
id, shape, &val);
1997 rb_shape_transition_shape_remove_ivar(obj,
id, shape, &val);
2007 rb_name_err_raise(
"instance variable %1$s not defined",
2012NORETURN(
static void uninitialized_constant(
VALUE,
VALUE));
2014uninitialized_constant(
VALUE klass,
VALUE name)
2017 rb_name_err_raise(
"uninitialized constant %2$s::%1$s",
2020 rb_name_err_raise(
"uninitialized constant %1$s",
2027 VALUE value = rb_funcallv(klass, idConst_missing, 1, &name);
2028 rb_vm_inc_const_missing_count();
2072 VALUE ref = GET_EC()->private_const_reference;
2073 rb_vm_pop_cfunc_frame();
2075 rb_name_err_raise(
"private constant %2$s::%1$s referenced",
2078 uninitialized_constant(klass, name);
2084autoload_table_mark(
void *ptr)
2086 rb_mark_tbl_no_pin((
st_table *)ptr);
2090autoload_table_free(
void *ptr)
2096autoload_table_memsize(
const void *ptr)
2099 return st_memsize(tbl);
2103autoload_table_compact(
void *ptr)
2105 rb_gc_update_tbl_refs((
st_table *)ptr);
2110 {autoload_table_mark, autoload_table_free, autoload_table_memsize, autoload_table_compact,},
2111 0, 0, RUBY_TYPED_FREE_IMMEDIATELY
2114#define check_autoload_table(av) \
2115 (struct st_table *)rb_check_typeddata((av), &autoload_table_type)
2130 mod =
RBASIC(mod)->klass;
2138 VALUE tbl_value = rb_ivar_lookup(mod, autoload, 0);
2139 if (!tbl_value || !(tbl = check_autoload_table(tbl_value)) || !st_lookup(tbl, (st_data_t)
id, &val)) {
2152 VALUE autoload_data_value;
2164 rb_const_flag_t flag;
2180 rb_serial_t fork_gen;
2187autoload_data_compact(
void *ptr)
2191 p->feature = rb_gc_location(p->feature);
2192 p->mutex = rb_gc_location(p->mutex);
2196autoload_data_mark(
void *ptr)
2200 rb_gc_mark_movable(p->feature);
2201 rb_gc_mark_movable(p->mutex);
2205autoload_data_free(
void *ptr)
2210 if (ccan_list_empty(&p->constants)) {
2216autoload_data_memsize(
const void *ptr)
2223 {autoload_data_mark, autoload_data_free, autoload_data_memsize, autoload_data_compact},
2224 0, 0, RUBY_TYPED_FREE_IMMEDIATELY
2228autoload_const_compact(
void *ptr)
2232 ac->module = rb_gc_location(ac->module);
2233 ac->autoload_data_value = rb_gc_location(ac->autoload_data_value);
2234 ac->value = rb_gc_location(ac->value);
2235 ac->file = rb_gc_location(ac->file);
2239autoload_const_mark(
void *ptr)
2243 rb_gc_mark_movable(ac->module);
2244 rb_gc_mark_movable(ac->autoload_data_value);
2245 rb_gc_mark_movable(ac->value);
2246 rb_gc_mark_movable(ac->file);
2250autoload_const_memsize(
const void *ptr)
2256autoload_const_free(
void *ptr)
2266 {autoload_const_mark, autoload_const_free, autoload_const_memsize, autoload_const_compact,},
2267 0, 0, RUBY_TYPED_FREE_IMMEDIATELY
2271get_autoload_data(
VALUE autoload_const_value,
struct autoload_const **autoload_const_pointer)
2283 if (autoload_const_pointer) *autoload_const_pointer =
autoload_const;
2288RUBY_FUNC_EXPORTED
void
2289rb_autoload(
VALUE module,
ID name,
const char *feature)
2291 if (!feature || !*feature) {
2295 rb_autoload_str(module, name, rb_fstring_cstr(feature));
2299static void const_added(
VALUE klass,
ID const_name);
2308autoload_feature_lookup_or_create(
VALUE feature,
struct autoload_data **autoload_data_pointer)
2310 RUBY_ASSERT_MUTEX_OWNED(autoload_mutex);
2311 RUBY_ASSERT_CRITICAL_SECTION_ENTER();
2313 VALUE autoload_data_value = rb_hash_aref(autoload_features, feature);
2316 if (
NIL_P(autoload_data_value)) {
2322 if (autoload_data_pointer) *autoload_data_pointer =
autoload_data;
2324 rb_hash_aset(autoload_features, feature, autoload_data_value);
2326 else if (autoload_data_pointer) {
2327 *autoload_data_pointer =
rb_check_typeddata(autoload_data_value, &autoload_data_type);
2330 RUBY_ASSERT_CRITICAL_SECTION_LEAVE();
2331 return autoload_data_value;
2335autoload_table_lookup_or_create(
VALUE module)
2337 VALUE autoload_table_value = rb_ivar_lookup(module, autoload, 0);
2338 if (autoload_table_value) {
2339 return check_autoload_table(autoload_table_value);
2343 rb_class_ivar_set(module, autoload, autoload_table_value);
2344 return (
DATA_PTR(autoload_table_value) = st_init_numtable());
2349autoload_synchronized(
VALUE _arguments)
2353 rb_const_entry_t *constant_entry = rb_const_lookup(arguments->module, arguments->name);
2354 if (constant_entry && !UNDEF_P(constant_entry->value)) {
2359 const_set(arguments->module, arguments->name,
Qundef);
2361 struct st_table *autoload_table = autoload_table_lookup_or_create(arguments->module);
2364 VALUE feature = rb_fstring(arguments->feature);
2367 VALUE autoload_data_value = autoload_feature_lookup_or_create(feature, &
autoload_data);
2378 st_insert(autoload_table, (st_data_t)arguments->name, (st_data_t)autoload_const_value);
2392 if (!RSTRING_LEN(feature)) {
2404 if (result ==
Qtrue) {
2405 const_added(module, name);
2410autoload_delete(
VALUE module,
ID name)
2412 RUBY_ASSERT_CRITICAL_SECTION_ENTER();
2414 st_data_t load = 0, key = name;
2418 VALUE table_value = rb_ivar_lookup(module, autoload, 0);
2420 struct st_table *table = check_autoload_table(table_value);
2422 st_delete(table, &key, &load);
2444 if (table->num_entries == 0) {
2445 rb_attr_delete(module, autoload);
2450 RUBY_ASSERT_CRITICAL_SECTION_LEAVE();
2456 return ele->mutex !=
Qnil && !rb_mutex_owned_p(ele->mutex);
2460check_autoload_required(
VALUE mod,
ID id,
const char **loadingpath)
2464 const char *loading;
2466 if (!autoload_const_value || !(
autoload_data = get_autoload_data(autoload_const_value, 0))) {
2479 return autoload_const_value;
2482 loading = RSTRING_PTR(feature);
2485 return autoload_const_value;
2488 if (loadingpath && loading) {
2489 *loadingpath = loading;
2490 return autoload_const_value;
2498MJIT_FUNC_EXPORTED
int
2499rb_autoloading_value(
VALUE mod,
ID id,
VALUE* value, rb_const_flag_t *flag)
2502 if (!ac)
return FALSE;
2518 return ele->mutex !=
Qnil && rb_mutex_owned_p(ele->mutex);
2525autoloading_const_entry(
VALUE mod,
ID id)
2532 if (!load || !(ele = get_autoload_data(load, &ac))) {
2538 if (autoload_by_current(ele)) {
2539 if (!UNDEF_P(ac->value)) {
2548autoload_defined_p(
VALUE mod,
ID id)
2553 if (!ce || !UNDEF_P(ce->value)) {
2559 return !rb_autoloading_value(mod,
id, NULL, NULL);
2581 check_before_mod_set(ac->module, ac->name, ac->value,
"constant");
2585 const_tbl_update(ac,
true);
2593autoload_load_needed(
VALUE _arguments)
2597 const char *loading = 0, *src;
2599 if (!autoload_defined_p(arguments->module, arguments->name)) {
2603 VALUE autoload_const_value = check_autoload_required(arguments->module, arguments->name, &loading);
2604 if (!autoload_const_value) {
2609 if (src && loading && strcmp(src, loading) == 0) {
2630 return autoload_const_value;
2634autoload_apply_constants(
VALUE _arguments)
2636 RUBY_ASSERT_CRITICAL_SECTION_ENTER();
2648 ccan_list_for_each_safe(&arguments->autoload_data->constants,
autoload_const, next, cnode) {
2654 RUBY_ASSERT_CRITICAL_SECTION_LEAVE();
2660autoload_feature_require(
VALUE _arguments)
2669 VALUE result = rb_funcall(rb_vm_top_self(), rb_intern(
"require"), 1, arguments->autoload_data->feature);
2671 if (
RTEST(result)) {
2679autoload_try_load(
VALUE _arguments)
2683 VALUE result = autoload_feature_require(_arguments);
2686 rb_const_entry_t *ce = rb_const_lookup(arguments->module, arguments->name);
2688 if (!ce || UNDEF_P(ce->value)) {
2693 if (arguments->module == rb_cObject) {
2695 "Expected %"PRIsVALUE
" to define %"PRIsVALUE
" but it didn't",
2696 arguments->autoload_data->feature,
2702 "Expected %"PRIsVALUE
" to define %"PRIsVALUE
"::%"PRIsVALUE
" but it didn't",
2703 arguments->autoload_data->feature,
2711 ce->flag |= arguments->flag;
2723 if (!ce || !UNDEF_P(ce->value)) {
2728 if (UNLIKELY(!rb_ractor_main_p())) {
2729 rb_raise(rb_eRactorUnsafeError,
"require by autoload on non-main Ractor is not supported (%s)",
rb_id2name(name));
2739 if (autoload_const_value ==
Qfalse)
return autoload_const_value;
2741 arguments.flag = ce->flag & (CONST_DEPRECATED | CONST_VISIBILITY_MASK);
2758 return rb_autoload_at_p(mod,
id, TRUE);
2762rb_autoload_at_p(
VALUE mod,
ID id,
int recur)
2767 while (!autoload_defined_p(mod,
id)) {
2768 if (!recur)
return Qnil;
2770 if (!mod)
return Qnil;
2772 load = check_autoload_required(mod,
id, 0);
2773 if (!load)
return Qnil;
2774 return (ele = get_autoload_data(load, 0)) ? ele->feature :
Qnil;
2777MJIT_FUNC_EXPORTED
void
2780 if (RB_CONST_DEPRECATED_P(ce) &&
2782 if (klass == rb_cObject) {
2793rb_const_get_0(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility)
2795 VALUE c = rb_const_search(klass,
id, exclude, recurse, visibility);
2797 if (UNLIKELY(!rb_ractor_main_p())) {
2799 rb_raise(rb_eRactorIsolationError,
"can not access non-shareable objects in constant %"PRIsVALUE
"::%s by non-main Ractor.",
rb_class_path(klass),
rb_id2name(
id));
2804 return rb_const_missing(klass,
ID2SYM(
id));
2808rb_const_search_from(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility)
2810 VALUE value, current;
2811 bool first_iteration =
true;
2813 for (current = klass;
2815 current =
RCLASS_SUPER(current), first_iteration =
false) {
2820 if (!first_iteration && RCLASS_ORIGIN(current) != current) {
2833 while ((ce = rb_const_lookup(tmp,
id))) {
2834 if (visibility && RB_CONST_PRIVATE_P(ce)) {
2835 GET_EC()->private_const_reference = tmp;
2838 rb_const_warn_if_deprecated(ce, tmp,
id);
2840 if (UNDEF_P(value)) {
2842 if (am == tmp)
break;
2844 ac = autoloading_const_entry(tmp,
id);
2845 if (ac)
return ac->value;
2849 if (exclude && tmp == rb_cObject) {
2854 if (!recurse)
break;
2858 GET_EC()->private_const_reference = 0;
2863rb_const_search(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility)
2867 if (klass == rb_cObject) exclude = FALSE;
2868 value = rb_const_search_from(klass,
id, exclude, recurse, visibility);
2869 if (!UNDEF_P(value))
return value;
2870 if (exclude)
return value;
2873 return rb_const_search_from(rb_cObject,
id, FALSE, recurse, visibility);
2879 return rb_const_get_0(klass,
id, TRUE, TRUE, FALSE);
2885 return rb_const_get_0(klass,
id, FALSE, TRUE, FALSE);
2891 return rb_const_get_0(klass,
id, TRUE, FALSE, FALSE);
2894MJIT_FUNC_EXPORTED
VALUE
2895rb_public_const_get_from(
VALUE klass,
ID id)
2897 return rb_const_get_0(klass,
id, TRUE, TRUE, TRUE);
2900MJIT_FUNC_EXPORTED
VALUE
2901rb_public_const_get_at(
VALUE klass,
ID id)
2903 return rb_const_get_0(klass,
id, TRUE, FALSE, TRUE);
2906NORETURN(
static void undefined_constant(
VALUE mod,
VALUE name));
2910 rb_name_err_raise(
"constant %2$s::%1$s not defined",
2915rb_const_location_from(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility)
2917 while (
RTEST(klass)) {
2920 while ((ce = rb_const_lookup(klass,
id))) {
2921 if (visibility && RB_CONST_PRIVATE_P(ce)) {
2924 if (exclude && klass == rb_cObject) {
2927 if (
NIL_P(ce->file))
return rb_ary_new();
2928 return rb_assoc_new(ce->file,
INT2NUM(ce->line));
2930 if (!recurse)
break;
2939rb_const_location(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility)
2943 if (klass == rb_cObject) exclude = FALSE;
2944 loc = rb_const_location_from(klass,
id, exclude, recurse, visibility);
2945 if (!
NIL_P(loc))
return loc;
2946 if (exclude)
return loc;
2949 return rb_const_location_from(rb_cObject,
id, FALSE, recurse, visibility);
2953rb_const_source_location(
VALUE klass,
ID id)
2955 return rb_const_location(klass,
id, FALSE, TRUE, FALSE);
2958MJIT_FUNC_EXPORTED
VALUE
2959rb_const_source_location_at(
VALUE klass,
ID id)
2961 return rb_const_location(klass,
id, TRUE, FALSE, FALSE);
2977 const ID id = id_for_var(mod, name, a, constant);
2980 undefined_constant(mod, name);
2993 ce = rb_const_lookup(mod,
id);
2994 if (!ce || !rb_id_table_delete(RCLASS_CONST_TBL(mod),
id)) {
2996 rb_name_err_raise(
"cannot remove %2$s::%1$s", mod,
ID2SYM(
id));
2999 undefined_constant(mod,
ID2SYM(
id));
3007 autoload_delete(mod,
id);
3017cv_i_update(st_data_t *k, st_data_t *v, st_data_t a,
int existing)
3019 if (existing)
return ST_STOP;
3024static enum rb_id_table_iterator_result
3031 st_update(tbl, (st_data_t)key, cv_i_update, (st_data_t)ce);
3033 return ID_TABLE_CONTINUE;
3036static enum rb_id_table_iterator_result
3037rb_local_constants_i(
ID const_name,
VALUE const_value,
void *ary)
3042 return ID_TABLE_CONTINUE;
3046rb_local_constants(
VALUE mod)
3056 rb_id_table_foreach(tbl, rb_local_constants_i, (
void *)ary);
3068 tbl = st_init_numtable();
3070 if (RCLASS_CONST_TBL(mod)) {
3073 rb_id_table_foreach(RCLASS_CONST_TBL(mod), sv_i, tbl);
3088 if (tmp == rb_cObject && mod != rb_cObject)
break;
3094list_i(st_data_t key, st_data_t value,
VALUE ary)
3098 if (RB_CONST_PUBLIC_P(ce)) rb_ary_push(ary,
ID2SYM(sym));
3137 bool inherit =
true;
3139 if (rb_check_arity(argc, 0, 1)) inherit =
RTEST(argv[0]);
3145 return rb_local_constants(mod);
3150rb_const_defined_0(
VALUE klass,
ID id,
int exclude,
int recurse,
int visibility)
3159 if ((ce = rb_const_lookup(tmp,
id))) {
3160 if (visibility && RB_CONST_PRIVATE_P(ce)) {
3163 if (UNDEF_P(ce->value) && !check_autoload_required(tmp,
id, 0) &&
3164 !rb_autoloading_value(tmp,
id, NULL, NULL))
3167 if (exclude && tmp == rb_cObject && klass != rb_cObject) {
3173 if (!recurse)
break;
3187 return rb_const_defined_0(klass,
id, TRUE, TRUE, FALSE);
3193 return rb_const_defined_0(klass,
id, FALSE, TRUE, FALSE);
3199 return rb_const_defined_0(klass,
id, TRUE, FALSE, FALSE);
3202MJIT_FUNC_EXPORTED
int
3203rb_public_const_defined_from(
VALUE klass,
ID id)
3205 return rb_const_defined_0(klass,
id, TRUE, TRUE, TRUE);
3209check_before_mod_set(
VALUE klass,
ID id,
VALUE val,
const char *dest)
3214static void set_namespace_path(
VALUE named_namespace,
VALUE name);
3216static enum rb_id_table_iterator_result
3217set_namespace_path_i(
ID id,
VALUE v,
void *payload)
3220 VALUE value = ce->value;
3221 int has_permanent_classpath;
3224 return ID_TABLE_CONTINUE;
3226 classname(value, &has_permanent_classpath);
3227 if (has_permanent_classpath) {
3228 return ID_TABLE_CONTINUE;
3230 set_namespace_path(value, build_const_path(parental_path,
id));
3231 rb_attr_delete(value, tmp_classpath);
3233 return ID_TABLE_CONTINUE;
3242set_namespace_path(
VALUE named_namespace,
VALUE namespace_path)
3244 struct rb_id_table *const_table = RCLASS_CONST_TBL(named_namespace);
3248 rb_class_ivar_set(named_namespace, classpath, namespace_path);
3250 rb_id_table_foreach(const_table, set_namespace_path_i, &namespace_path);
3257const_added(
VALUE klass,
ID const_name)
3259 if (GET_VM()->running) {
3261 rb_funcallv(klass, idConst_added, 1, &name);
3276 rb_raise(rb_eRactorIsolationError,
"can not set constants with non-shareable objects by non-main Ractors");
3279 check_before_mod_set(klass,
id, val,
"constant");
3283 struct rb_id_table *tbl = RCLASS_CONST_TBL(klass);
3285 RCLASS_CONST_TBL(klass) = tbl = rb_id_table_create(0);
3288 rb_id_table_insert(tbl,
id, (
VALUE)ce);
3289 setup_const_entry(ce, klass, val, CONST_PUBLIC);
3293 .module = klass, .name = id,
3294 .value = val, .flag = CONST_PUBLIC,
3297 ac.file = rb_source_location(&ac.line);
3298 const_tbl_update(&ac,
false);
3307 if (rb_cObject && rb_namespace_p(val)) {
3308 int val_path_permanent;
3309 VALUE val_path = classname(val, &val_path_permanent);
3310 if (
NIL_P(val_path) || !val_path_permanent) {
3311 if (klass == rb_cObject) {
3312 set_namespace_path(val, rb_id2str(
id));
3315 int parental_path_permanent;
3316 VALUE parental_path = classname(klass, &parental_path_permanent);
3317 if (
NIL_P(parental_path)) {
3319 parental_path = rb_tmp_class_path(klass, &throwaway, make_temporary_path);
3321 if (parental_path_permanent && !val_path_permanent) {
3322 set_namespace_path(val, build_const_path(parental_path,
id));
3324 else if (!parental_path_permanent &&
NIL_P(val_path)) {
3325 ivar_set(val, tmp_classpath, build_const_path(parental_path,
id));
3335 const_set(klass,
id, val);
3336 const_added(klass,
id);
3340autoload_data_for_named_constant(
VALUE module,
ID name,
struct autoload_const **autoload_const_pointer)
3343 if (!autoload_data_value)
return 0;
3360 VALUE klass = ac->module;
3361 VALUE val = ac->value;
3363 struct rb_id_table *tbl = RCLASS_CONST_TBL(klass);
3364 rb_const_flag_t visibility = ac->flag;
3367 if (rb_id_table_lookup(tbl,
id, &value)) {
3369 if (UNDEF_P(ce->value)) {
3370 RUBY_ASSERT_CRITICAL_SECTION_ENTER();
3371 VALUE file = ac->file;
3372 int line = ac->line;
3373 struct autoload_data *ele = autoload_data_for_named_constant(klass,
id, &ac);
3375 if (!autoload_force && ele) {
3379 ac->file = rb_source_location(&ac->line);
3383 autoload_delete(klass,
id);
3384 ce->flag = visibility;
3389 RUBY_ASSERT_CRITICAL_SECTION_LEAVE();
3393 VALUE name = QUOTE_ID(
id);
3394 visibility = ce->flag;
3395 if (klass == rb_cObject)
3396 rb_warn(
"already initialized constant %"PRIsVALUE
"", name);
3398 rb_warn(
"already initialized constant %"PRIsVALUE
"::%"PRIsVALUE
"",
3400 if (!
NIL_P(ce->file) && ce->line) {
3402 "previous definition of %"PRIsVALUE
" was here", name);
3406 setup_const_entry(ce, klass, val, visibility);
3412 rb_id_table_insert(tbl,
id, (
VALUE)ce);
3413 setup_const_entry(ce, klass, val, visibility);
3419 rb_const_flag_t visibility)
3421 ce->flag = visibility;
3423 RB_OBJ_WRITE(klass, &ce->file, rb_source_location(&ce->line));
3429 ID id = rb_intern(name);
3432 rb_warn(
"rb_define_const: invalid name `%s' for constant", name);
3434 rb_gc_register_mark_object(val);
3445set_const_visibility(
VALUE mod,
int argc,
const VALUE *argv,
3446 rb_const_flag_t flag, rb_const_flag_t mask)
3454 rb_warning(
"%"PRIsVALUE
" with no argument is just ignored",
3455 QUOTE_ID(rb_frame_callee()));
3459 for (i = 0; i < argc; i++) {
3461 VALUE val = argv[i];
3464 undefined_constant(mod, val);
3466 if ((ce = rb_const_lookup(mod,
id))) {
3469 if (UNDEF_P(ce->value)) {
3472 ele = autoload_data_for_named_constant(mod,
id, &ac);
3481 undefined_constant(mod,
ID2SYM(
id));
3491 long len = strlen(name);
3495 undefined_constant(mod, rb_fstring_new(name, len));
3497 if (!(ce = rb_const_lookup(mod,
id))) {
3498 undefined_constant(mod,
ID2SYM(
id));
3500 ce->flag |= CONST_DEPRECATED;
3511rb_mod_private_constant(
int argc,
const VALUE *argv,
VALUE obj)
3513 set_const_visibility(obj, argc, argv, CONST_PRIVATE, CONST_VISIBILITY_MASK);
3525rb_mod_public_constant(
int argc,
const VALUE *argv,
VALUE obj)
3527 set_const_visibility(obj, argc, argv, CONST_PUBLIC, CONST_VISIBILITY_MASK);
3551rb_mod_deprecate_constant(
int argc,
const VALUE *argv,
VALUE obj)
3553 set_const_visibility(obj, argc, argv, CONST_DEPRECATED, CONST_DEPRECATED);
3558original_module(
VALUE c)
3566cvar_lookup_at(
VALUE klass,
ID id, st_data_t *v)
3574 klass =
RBASIC(klass)->klass;
3579 if (UNDEF_P(n))
return 0;
3586cvar_front_klass(
VALUE klass)
3590 if (rb_namespace_p(obj)) {
3600 if (front && target != front) {
3601 if (original_module(front) != original_module(target)) {
3603 "class variable % "PRIsVALUE
" of %"PRIsVALUE
" is overtaken by %"PRIsVALUE
"",
3608 rb_ivar_delete(front,
id,
Qundef);
3617 CVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR();
3618 if (cvar_lookup_at(klass,
id, (&v))) {
3625 for (klass = cvar_front_klass(klass); klass; klass =
RCLASS_SUPER(klass)) {
3626 if (cvar_lookup_at(klass,
id, (&v))) {
3637#define CVAR_FOREACH_ANCESTORS(klass, v, r) \
3638 for (klass = cvar_front_klass(klass); klass; klass = RCLASS_SUPER(klass)) { \
3639 if (cvar_lookup_at(klass, id, (v))) { \
3644#define CVAR_LOOKUP(v,r) do {\
3645 CVAR_ACCESSOR_SHOULD_BE_MAIN_RACTOR(); \
3646 if (cvar_lookup_at(klass, id, (v))) {r;}\
3647 CVAR_FOREACH_ANCESTORS(klass, v, r);\
3651check_for_cvar_table(
VALUE subclass,
VALUE key)
3655 RB_DEBUG_COUNTER_INC(cvar_class_invalidate);
3656 ruby_vm_global_cvar_state++;
3660 rb_class_foreach_subclass(subclass, check_for_cvar_table, key);
3666 VALUE tmp, front = 0, target = 0;
3669 CVAR_LOOKUP(0, {
if (!front) front = klass; target = klass;});
3671 cvar_overtaken(front, target,
id);
3678 target =
RBASIC(target)->klass;
3680 check_before_mod_set(target,
id, val,
"class variable");
3682 int result = rb_class_ivar_set(target,
id, val);
3684 struct rb_id_table *rb_cvc_tbl = RCLASS_CVC_TBL(target);
3687 rb_cvc_tbl = RCLASS_CVC_TBL(target) = rb_id_table_create(2);
3693 if (!rb_id_table_lookup(rb_cvc_tbl,
id, &ent_data)) {
3695 ent->class_value = target;
3696 ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
3697 rb_id_table_insert(rb_cvc_tbl,
id, (
VALUE)ent);
3698 RB_DEBUG_COUNTER_INC(cvar_inline_miss);
3701 ent = (
void *)ent_data;
3702 ent->global_cvar_state = GET_GLOBAL_CVAR_STATE();
3709 if (RB_TYPE_P(target,
T_CLASS)) {
3710 if (RCLASS_SUBCLASSES(target)) {
3711 rb_class_foreach_subclass(target, check_for_cvar_table,
id);
3723 value = find_cvar(klass, front, &target,
id);
3725 rb_name_err_raise(
"uninitialized class variable %1$s in %2$s",
3728 cvar_overtaken(*front, target,
id);
3729 return (
VALUE)value;
3742 if (!klass)
return Qfalse;
3743 CVAR_LOOKUP(0,
return Qtrue);
3748cv_intern(
VALUE klass,
const char *name)
3750 ID id = rb_intern(name);
3752 rb_name_err_raise(
"wrong class variable name %1$s",
3761 ID id = cv_intern(klass, name);
3768 ID id = cv_intern(klass, name);
3779cv_i(st_data_t k, st_data_t v, st_data_t a)
3785 st_update(tbl, (st_data_t)key, cv_i_update, 0);
3791mod_cvar_at(
VALUE mod,
void *data)
3795 tbl = st_init_numtable();
3797 mod = original_module(mod);
3804mod_cvar_of(
VALUE mod,
void *data)
3808 if (rb_namespace_p(
rb_ivar_get(mod, id__attached__))) {
3809 data = mod_cvar_at(tmp, data);
3810 tmp = cvar_front_klass(tmp);
3814 data = mod_cvar_at(tmp, data);
3822cv_list_i(st_data_t key, st_data_t value,
VALUE ary)
3825 rb_ary_push(ary,
ID2SYM(sym));
3830cvar_list(
void *data)
3866 bool inherit =
true;
3869 if (rb_check_arity(argc, 0, 1)) inherit =
RTEST(argv[0]);
3871 tbl = mod_cvar_of(mod, 0);
3874 tbl = mod_cvar_at(mod, 0);
3876 return cvar_list(tbl);
3901 const ID id = id_for_var_message(mod, name,
class,
"wrong class variable name %1$s");
3908 val = rb_ivar_delete(mod,
id,
Qundef);
3909 if (!UNDEF_P(val)) {
3913 rb_name_err_raise(
"cannot remove %1$s for %2$s", mod,
ID2SYM(
id));
3916 rb_name_err_raise(
"class variable %1$s not defined for %2$s",
3935 ID id = rb_intern(name);
3949 rb_shape_t * shape = rb_shape_get_shape(obj);
3951 found = rb_shape_get_iv_index(shape, key, &idx);
3957 RCLASS_IVPTR(obj)[idx] = value;
3964 idx = shape->next_iv_index;
3965 shape = rb_shape_get_next(shape, obj, key);
3969 if ((idx & (idx - 1)) == 0) {
3970 size_t newsize = idx ? idx * 2 : 1;
3977 rb_shape_set_shape(obj, shape);
3986tbl_copy_i(st_data_t key, st_data_t val, st_data_t dest)
3988 rb_class_ivar_set(dest, key, val);
3999 RUBY_ASSERT(RCLASS_SHAPE_ID(dst) == ROOT_SHAPE_ID || rb_shape_get_shape_by_id(RCLASS_SHAPE_ID(dst))->
type == SHAPE_INITIAL_CAPACITY);
4006rb_const_lookup(
VALUE klass,
ID id)
4008 struct rb_id_table *tbl = RCLASS_CONST_TBL(klass);
4015 r = rb_id_table_lookup(tbl,
id, &val);
#define RUBY_ASSERT(expr)
Asserts that the given expression is truthy if and only if RUBY_DEBUG is truthy.
#define RUBY_EXTERN
Declaration of externally visible global variables.
void rb_obj_freeze_inline(VALUE obj)
Prevents further modifications to the given object.
@ RUBY_FL_SINGLETON
This flag has something to do with an object's class.
void rb_class_modify_check(VALUE klass)
Asserts that klass is not a frozen class.
void rb_freeze_singleton_class(VALUE x)
This is an implementation detail of RB_OBJ_FREEZE().
#define rb_str_new2
Old name of rb_str_new_cstr.
#define FL_SINGLETON
Old name of RUBY_FL_SINGLETON.
#define FL_EXIVAR
Old name of RUBY_FL_EXIVAR.
#define REALLOC_N
Old name of RB_REALLOC_N.
#define ALLOC
Old name of RB_ALLOC.
#define T_STRING
Old name of RUBY_T_STRING.
#define xfree
Old name of ruby_xfree.
#define Qundef
Old name of RUBY_Qundef.
#define OBJ_FROZEN
Old name of RB_OBJ_FROZEN.
#define rb_str_cat2
Old name of rb_str_cat_cstr.
#define xrealloc
Old name of ruby_xrealloc.
#define ID2SYM
Old name of RB_ID2SYM.
#define SPECIAL_CONST_P
Old name of RB_SPECIAL_CONST_P.
#define OBJ_FREEZE
Old name of RB_OBJ_FREEZE.
#define UNREACHABLE_RETURN
Old name of RBIMPL_UNREACHABLE_RETURN.
#define ZALLOC
Old name of RB_ZALLOC.
#define CLASS_OF
Old name of rb_class_of.
#define xmalloc
Old name of ruby_xmalloc.
#define T_MODULE
Old name of RUBY_T_MODULE.
#define T_ICLASS
Old name of RUBY_T_ICLASS.
#define ALLOC_N
Old name of RB_ALLOC_N.
#define FL_TEST_RAW
Old name of RB_FL_TEST_RAW.
#define FL_SET
Old name of RB_FL_SET.
#define rb_ary_new3
Old name of rb_ary_new_from_args.
#define Qtrue
Old name of RUBY_Qtrue.
#define INT2NUM
Old name of RB_INT2NUM.
#define Qnil
Old name of RUBY_Qnil.
#define Qfalse
Old name of RUBY_Qfalse.
#define T_OBJECT
Old name of RUBY_T_OBJECT.
#define NIL_P
Old name of RB_NIL_P.
#define ALLOCV_N
Old name of RB_ALLOCV_N.
#define T_CLASS
Old name of RUBY_T_CLASS.
#define BUILTIN_TYPE
Old name of RB_BUILTIN_TYPE.
#define FL_TEST
Old name of RB_FL_TEST.
#define FL_UNSET
Old name of RB_FL_UNSET.
#define rb_ary_new2
Old name of rb_ary_new_capa.
#define FL_SET_RAW
Old name of RB_FL_SET_RAW.
#define ALLOCV_END
Old name of RB_ALLOCV_END.
void rb_category_warn(rb_warning_category_t category, const char *fmt,...)
Identical to rb_category_warning(), except it reports always regardless of runtime -W flag.
void rb_raise(VALUE exc, const char *fmt,...)
Exception entry point.
void rb_compile_warn(const char *file, int line, const char *fmt,...)
Identical to rb_compile_warning(), except it reports always regardless of runtime -W flag.
void rb_bug(const char *fmt,...)
Interpreter panic switch.
void rb_name_error(ID id, const char *fmt,...)
Raises an instance of rb_eNameError.
VALUE rb_eTypeError
TypeError exception.
void rb_name_error_str(VALUE str, const char *fmt,...)
Identical to rb_name_error(), except it takes a VALUE instead of ID.
VALUE rb_eNameError
NameError exception.
VALUE rb_eRuntimeError
RuntimeError exception.
void * rb_check_typeddata(VALUE obj, const rb_data_type_t *data_type)
Identical to rb_typeddata_is_kind_of(), except it raises exceptions instead of returning false.
void rb_warn(const char *fmt,...)
Identical to rb_warning(), except it reports always regardless of runtime -W flag.
VALUE rb_eArgError
ArgumentError exception.
VALUE rb_ensure(VALUE(*b_proc)(VALUE), VALUE data1, VALUE(*e_proc)(VALUE), VALUE data2)
An equivalent to ensure clause.
void rb_warning(const char *fmt,...)
Issues a warning.
@ RB_WARN_CATEGORY_DEPRECATED
Warning is for deprecated features.
VALUE rb_cObject
Documented in include/ruby/internal/globals.h.
VALUE rb_obj_hide(VALUE obj)
Make the object invisible from Ruby code.
VALUE rb_obj_class(VALUE obj)
Queries the class of an object.
VALUE rb_cModule
Module class.
VALUE rb_class_real(VALUE klass)
Finds a "real" class.
#define RB_OBJ_WRITTEN(old, oldv, young)
Identical to RB_OBJ_WRITE(), except it doesn't write any values, but only a WB declaration.
#define RB_OBJ_WRITE(old, slot, young)
Declaration of a "back" pointer.
ID rb_check_id_cstr(const char *ptr, long len, rb_encoding *enc)
Identical to rb_check_id(), except it takes a pointer to a memory region instead of Ruby's string.
#define rb_check_frozen
Just another name of rb_check_frozen.
#define rb_check_frozen_internal(obj)
#define st_foreach_safe
Just another name of rb_st_foreach_safe.
int rb_feature_provided(const char *feature, const char **loading)
Identical to rb_provided(), except it additionally returns the "canonical" name of the loaded feature...
VALUE rb_backref_get(void)
Queries the last match, or Regexp.last_match, or the $~.
int rb_is_instance_id(ID id)
Classifies the given ID, then sees if it is an instance variable.
int rb_is_const_id(ID id)
Classifies the given ID, then sees if it is a constant.
int rb_is_class_id(ID id)
Classifies the given ID, then sees if it is a class variable.
VALUE rb_block_proc(void)
Constructs a Proc object from implicitly passed components.
VALUE rb_str_append(VALUE dst, VALUE src)
Identical to rb_str_buf_append(), except it converts the right hand side before concatenating.
VALUE rb_str_subseq(VALUE str, long beg, long len)
Identical to rb_str_substr(), except the numbers are interpreted as byte offsets instead of character...
VALUE rb_str_new_frozen(VALUE str)
Creates a frozen copy of the string, if necessary.
VALUE rb_str_dup(VALUE str)
Duplicates a string.
#define rb_str_new_cstr(str)
Identical to rb_str_new, except it assumes the passed pointer is a pointer to a C string.
VALUE rb_str_intern(VALUE str)
Identical to rb_to_symbol(), except it assumes the receiver being an instance of RString.
VALUE rb_mutex_new(void)
Creates a mutex.
VALUE rb_mutex_synchronize(VALUE mutex, VALUE(*func)(VALUE arg), VALUE arg)
Obtains the lock, runs the passed function, and releases the lock when it completes.
VALUE rb_mod_remove_cvar(VALUE mod, VALUE name)
Resembles Module#remove_class_variable.
VALUE rb_obj_instance_variables(VALUE obj)
Resembles Object#instance_variables.
VALUE rb_f_untrace_var(int argc, const VALUE *argv)
Deletes the passed tracer from the passed global variable, or if omitted, deletes everything.
VALUE rb_const_get(VALUE space, ID name)
Identical to rb_const_defined(), except it returns the actual defined value.
VALUE rb_const_list(void *)
This is another mysterious API that comes with no documents at all.
VALUE rb_path2class(const char *path)
Resolves a Q::W::E::R-style path string to the actual class it points.
VALUE rb_autoload_p(VALUE space, ID name)
Queries if an autoload is defined at a point.
VALUE rb_attr_get(VALUE obj, ID name)
Identical to rb_ivar_get()
void rb_set_class_path(VALUE klass, VALUE space, const char *name)
Names a class.
VALUE rb_ivar_set(VALUE obj, ID name, VALUE val)
Identical to rb_iv_set(), except it accepts the name as an ID instead of a C string.
VALUE rb_mod_remove_const(VALUE space, VALUE name)
Resembles Module#remove_const.
VALUE rb_class_path_cached(VALUE mod)
Just another name of rb_mod_name.
VALUE rb_f_trace_var(int argc, const VALUE *argv)
Traces a global variable.
void rb_cvar_set(VALUE klass, ID name, VALUE val)
Assigns a value to a class variable.
VALUE rb_cvar_get(VALUE klass, ID name)
Obtains a value from a class variable.
VALUE rb_mod_constants(int argc, const VALUE *argv, VALUE recv)
Resembles Module#constants.
VALUE rb_cvar_find(VALUE klass, ID name, VALUE *front)
Identical to rb_cvar_get(), except it takes additional "front" pointer.
VALUE rb_path_to_class(VALUE path)
Identical to rb_path2class(), except it accepts the path as Ruby's string instead of C's.
VALUE rb_ivar_get(VALUE obj, ID name)
Identical to rb_iv_get(), except it accepts the name as an ID instead of a C string.
void rb_const_set(VALUE space, ID name, VALUE val)
Names a constant.
VALUE rb_autoload_load(VALUE space, ID name)
Kicks the autoload procedure as if it was "touched".
VALUE rb_mod_name(VALUE mod)
Queries the name of a module.
VALUE rb_class_name(VALUE obj)
Queries the name of the given object's class.
VALUE rb_const_get_at(VALUE space, ID name)
Identical to rb_const_defined_at(), except it returns the actual defined value.
void rb_set_class_path_string(VALUE klass, VALUE space, VALUE name)
Identical to rb_set_class_path(), except it accepts the name as Ruby's string instead of C's.
void rb_alias_variable(ID dst, ID src)
Aliases a global variable.
void rb_define_class_variable(VALUE, const char *, VALUE)
Just another name of rb_cv_set.
VALUE rb_obj_remove_instance_variable(VALUE obj, VALUE name)
Resembles Object#remove_instance_variable.
void * rb_mod_const_of(VALUE, void *)
This is a variant of rb_mod_const_at().
st_index_t rb_ivar_count(VALUE obj)
Number of instance variables defined on an object.
void * rb_mod_const_at(VALUE, void *)
This API is mysterious.
VALUE rb_const_remove(VALUE space, ID name)
Identical to rb_mod_remove_const(), except it takes the name as ID instead of VALUE.
VALUE rb_const_get_from(VALUE space, ID name)
Identical to rb_const_defined_at(), except it returns the actual defined value.
VALUE rb_ivar_defined(VALUE obj, ID name)
Queries if the instance variable is defined at the object.
VALUE rb_cv_get(VALUE klass, const char *name)
Identical to rb_cvar_get(), except it accepts C's string instead of ID.
int rb_const_defined_at(VALUE space, ID name)
Identical to rb_const_defined(), except it doesn't look for parent classes.
void rb_cv_set(VALUE klass, const char *name, VALUE val)
Identical to rb_cvar_set(), except it accepts C's string instead of ID.
VALUE rb_mod_class_variables(int argc, const VALUE *argv, VALUE recv)
Resembles Module#class_variables.
VALUE rb_f_global_variables(void)
Queries the list of global variables.
VALUE rb_cvar_defined(VALUE klass, ID name)
Queries if the given class has the given class variable.
VALUE rb_class_path(VALUE mod)
Identical to rb_mod_name(), except it returns #<Class: ...> style inspection for anonymous modules.
int rb_const_defined_from(VALUE space, ID name)
Identical to rb_const_defined(), except it returns false for private constants.
int rb_const_defined(VALUE space, ID name)
Queries if the constant is defined at the namespace.
void rb_free_generic_ivar(VALUE obj)
Frees the list of instance variables.
const char * rb_sourcefile(void)
Resembles __FILE__.
void rb_clear_constant_cache_for_id(ID id)
Clears the inline constant caches associated with a particular ID.
VALUE rb_eval_cmd_kw(VALUE cmd, VALUE arg, int kw_splat)
This API is practically a variant of rb_proc_call_kw() now.
ID rb_intern2(const char *name, long len)
Identical to rb_intern(), except it additionally takes the length of the string.
ID rb_check_id(volatile VALUE *namep)
Detects if the given name is already interned or not.
ID rb_to_id(VALUE str)
Identical to rb_intern(), except it takes an instance of rb_cString.
const char * rb_id2name(ID id)
Retrieves the name mapped to the given id.
rb_gvar_setter_t rb_gvar_var_setter
rb_gvar_marker_t rb_gvar_var_marker
void rb_define_global_const(const char *name, VALUE val)
Identical to rb_define_const(), except it defines that of "global", i.e.
VALUE rb_gv_get(const char *name)
Obtains a global variable.
void rb_define_variable(const char *name, VALUE *var)
"Shares" a global variable between Ruby and C.
void rb_gvar_marker_t(VALUE *var)
Type that represents a global variable marker function.
void rb_deprecate_constant(VALUE mod, const char *name)
Asserts that the given constant is deprecated.
void rb_gvar_setter_t(VALUE val, ID id, VALUE *data)
Type that represents a global variable setter function.
rb_gvar_setter_t rb_gvar_val_setter
This is the setter function that backs global variables defined from a ruby script.
rb_gvar_marker_t rb_gvar_undef_marker
void rb_define_readonly_variable(const char *name, const VALUE *var)
Identical to rb_define_variable(), except it does not allow Ruby programs to assign values to such gl...
rb_gvar_setter_t rb_gvar_readonly_setter
This function just raises rb_eNameError.
rb_gvar_getter_t rb_gvar_undef_getter
VALUE rb_gv_set(const char *name, VALUE val)
Assigns to a global variable.
rb_gvar_marker_t rb_gvar_val_marker
This is the setter function that backs global variables defined from a ruby script.
void rb_define_const(VALUE klass, const char *name, VALUE val)
Defines a Ruby level constant under a namespace.
VALUE rb_gvar_getter_t(ID id, VALUE *data)
Type that represents a global variable getter function.
VALUE rb_iv_get(VALUE obj, const char *name)
Obtains an instance variable.
rb_gvar_setter_t rb_gvar_undef_setter
rb_gvar_getter_t rb_gvar_val_getter
This is the getter function that backs global variables defined from a ruby script.
VALUE rb_iv_set(VALUE obj, const char *name, VALUE val)
Assigns to an instance variable.
rb_gvar_getter_t rb_gvar_var_getter
static bool rb_ractor_shareable_p(VALUE obj)
Queries if multiple Ractors can share the passed object or not.
VALUE rb_sprintf(const char *fmt,...)
Ruby's extended sprintf(3).
#define MEMCPY(p1, p2, type, n)
Handy macro to call memcpy.
#define RB_GC_GUARD(v)
Prevents premature destruction of local objects.
void rb_define_hooked_variable(const char *q, VALUE *w, type *e, void_type *r)
Define a function-backended global variable.
VALUE type(ANYARGS)
ANYARGS-ed function type.
void rb_define_virtual_variable(const char *q, type *w, void_type *e)
Define a function-backended global variable.
void rb_ivar_foreach(VALUE q, int_type *w, VALUE e)
Iteration over each instance variable of the object.
void rb_copy_generic_ivar(VALUE clone, VALUE obj)
Copies the list of instance variables.
#define RBASIC(obj)
Convenient casting macro.
#define RCLASS_SUPER
Just another name of rb_class_get_superclass.
#define DATA_PTR(obj)
Convenient getter macro.
#define ROBJECT(obj)
Convenient casting macro.
#define TypedData_Wrap_Struct(klass, data_type, sval)
Converts sval, a pointer to your struct, into a Ruby object.
#define TypedData_Make_Struct(klass, type, data_type, sval)
Identical to TypedData_Wrap_Struct, except it allocates a new data region internally instead of takin...
const char * rb_class2name(VALUE klass)
Queries the name of the passed class.
const char * rb_obj_classname(VALUE obj)
Queries the name of the class of the passed object.
#define RB_NO_KEYWORDS
Do not pass keywords.
#define RTEST
This is an old name of RB_TEST.
#define _(args)
This was a transition path from K&R to ANSI.
uintptr_t VALUE
Type that represents a Ruby object.
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
static enum ruby_value_type rb_type(VALUE obj)
Identical to RB_BUILTIN_TYPE(), except it can also accept special constants.