Ruby 3.3.0p0 (2023-12-25 revision 5124f9ac7513eb590c37717337c430cb93caa151)
vm_callinfo.h
1#ifndef RUBY_VM_CALLINFO_H /*-*-C-*-vi:se ft=c:*/
2#define RUBY_VM_CALLINFO_H
11#include "debug_counter.h"
12#include "internal/class.h"
13#include "shape.h"
14
15enum vm_call_flag_bits {
16 VM_CALL_ARGS_SPLAT_bit, // m(*args)
17 VM_CALL_ARGS_BLOCKARG_bit, // m(&block)
18 VM_CALL_FCALL_bit, // m(args) # receiver is self
19 VM_CALL_VCALL_bit, // m # method call that looks like a local variable
20 VM_CALL_ARGS_SIMPLE_bit, // (ci->flag & (SPLAT|BLOCKARG)) && blockiseq == NULL && ci->kw_arg == NULL
21 VM_CALL_KWARG_bit, // has kwarg
22 VM_CALL_KW_SPLAT_bit, // m(**opts)
23 VM_CALL_TAILCALL_bit, // located at tail position
24 VM_CALL_SUPER_bit, // super
25 VM_CALL_ZSUPER_bit, // zsuper
26 VM_CALL_OPT_SEND_bit, // internal flag
27 VM_CALL_KW_SPLAT_MUT_bit, // kw splat hash can be modified (to avoid allocating a new one)
28 VM_CALL__END
29};
30
31#define VM_CALL_ARGS_SPLAT (0x01 << VM_CALL_ARGS_SPLAT_bit)
32#define VM_CALL_ARGS_BLOCKARG (0x01 << VM_CALL_ARGS_BLOCKARG_bit)
33#define VM_CALL_FCALL (0x01 << VM_CALL_FCALL_bit)
34#define VM_CALL_VCALL (0x01 << VM_CALL_VCALL_bit)
35#define VM_CALL_ARGS_SIMPLE (0x01 << VM_CALL_ARGS_SIMPLE_bit)
36#define VM_CALL_KWARG (0x01 << VM_CALL_KWARG_bit)
37#define VM_CALL_KW_SPLAT (0x01 << VM_CALL_KW_SPLAT_bit)
38#define VM_CALL_TAILCALL (0x01 << VM_CALL_TAILCALL_bit)
39#define VM_CALL_SUPER (0x01 << VM_CALL_SUPER_bit)
40#define VM_CALL_ZSUPER (0x01 << VM_CALL_ZSUPER_bit)
41#define VM_CALL_OPT_SEND (0x01 << VM_CALL_OPT_SEND_bit)
42#define VM_CALL_KW_SPLAT_MUT (0x01 << VM_CALL_KW_SPLAT_MUT_bit)
43
45 int keyword_len;
46 int references;
47 VALUE keywords[];
48};
49
50static inline size_t
51rb_callinfo_kwarg_bytes(int keyword_len)
52{
53 return rb_size_mul_add_or_raise(
54 keyword_len,
55 sizeof(VALUE),
56 sizeof(struct rb_callinfo_kwarg),
58}
59
60// imemo_callinfo
62 VALUE flags;
63 const struct rb_callinfo_kwarg *kwarg;
64 VALUE mid;
65 VALUE flag;
66 VALUE argc;
67};
68
69#if !defined(USE_EMBED_CI) || (USE_EMBED_CI+0)
70#undef USE_EMBED_CI
71#define USE_EMBED_CI 1
72#else
73#undef USE_EMBED_CI
74#define USE_EMBED_CI 0
75#endif
76
77#if SIZEOF_VALUE == 8
78#define CI_EMBED_TAG_bits 1
79#define CI_EMBED_ARGC_bits 15
80#define CI_EMBED_FLAG_bits 16
81#define CI_EMBED_ID_bits 32
82#elif SIZEOF_VALUE == 4
83#define CI_EMBED_TAG_bits 1
84#define CI_EMBED_ARGC_bits 3
85#define CI_EMBED_FLAG_bits 13
86#define CI_EMBED_ID_bits 15
87#endif
88
89#if (CI_EMBED_TAG_bits + CI_EMBED_ARGC_bits + CI_EMBED_FLAG_bits + CI_EMBED_ID_bits) != (SIZEOF_VALUE * 8)
90#error
91#endif
92
93#define CI_EMBED_FLAG 0x01
94#define CI_EMBED_ARGC_SHFT (CI_EMBED_TAG_bits)
95#define CI_EMBED_ARGC_MASK ((((VALUE)1)<<CI_EMBED_ARGC_bits) - 1)
96#define CI_EMBED_FLAG_SHFT (CI_EMBED_TAG_bits + CI_EMBED_ARGC_bits)
97#define CI_EMBED_FLAG_MASK ((((VALUE)1)<<CI_EMBED_FLAG_bits) - 1)
98#define CI_EMBED_ID_SHFT (CI_EMBED_TAG_bits + CI_EMBED_ARGC_bits + CI_EMBED_FLAG_bits)
99#define CI_EMBED_ID_MASK ((((VALUE)1)<<CI_EMBED_ID_bits) - 1)
100
101static inline bool
102vm_ci_packed_p(const struct rb_callinfo *ci)
103{
104 if (!USE_EMBED_CI) {
105 return 0;
106 }
107 if (LIKELY(((VALUE)ci) & 0x01)) {
108 return 1;
109 }
110 else {
111 VM_ASSERT(IMEMO_TYPE_P(ci, imemo_callinfo));
112 return 0;
113 }
114}
115
116static inline bool
117vm_ci_p(const struct rb_callinfo *ci)
118{
119 if (vm_ci_packed_p(ci) || IMEMO_TYPE_P(ci, imemo_callinfo)) {
120 return 1;
121 }
122 else {
123 return 0;
124 }
125}
126
127static inline ID
128vm_ci_mid(const struct rb_callinfo *ci)
129{
130 if (vm_ci_packed_p(ci)) {
131 return (((VALUE)ci) >> CI_EMBED_ID_SHFT) & CI_EMBED_ID_MASK;
132 }
133 else {
134 return (ID)ci->mid;
135 }
136}
137
138static inline unsigned int
139vm_ci_flag(const struct rb_callinfo *ci)
140{
141 if (vm_ci_packed_p(ci)) {
142 return (unsigned int)((((VALUE)ci) >> CI_EMBED_FLAG_SHFT) & CI_EMBED_FLAG_MASK);
143 }
144 else {
145 return (unsigned int)ci->flag;
146 }
147}
148
149static inline unsigned int
150vm_ci_argc(const struct rb_callinfo *ci)
151{
152 if (vm_ci_packed_p(ci)) {
153 return (unsigned int)((((VALUE)ci) >> CI_EMBED_ARGC_SHFT) & CI_EMBED_ARGC_MASK);
154 }
155 else {
156 return (unsigned int)ci->argc;
157 }
158}
159
160static inline const struct rb_callinfo_kwarg *
161vm_ci_kwarg(const struct rb_callinfo *ci)
162{
163 if (vm_ci_packed_p(ci)) {
164 return NULL;
165 }
166 else {
167 return ci->kwarg;
168 }
169}
170
171static inline void
172vm_ci_dump(const struct rb_callinfo *ci)
173{
174 if (vm_ci_packed_p(ci)) {
175 ruby_debug_printf("packed_ci ID:%s flag:%x argc:%u\n",
176 rb_id2name(vm_ci_mid(ci)), vm_ci_flag(ci), vm_ci_argc(ci));
177 }
178 else {
179 rp(ci);
180 }
181}
182
183#define vm_ci_new(mid, flag, argc, kwarg) vm_ci_new_(mid, flag, argc, kwarg, __FILE__, __LINE__)
184#define vm_ci_new_runtime(mid, flag, argc, kwarg) vm_ci_new_runtime_(mid, flag, argc, kwarg, __FILE__, __LINE__)
185
186/* This is passed to STATIC_ASSERT. Cannot be an inline function. */
187#define VM_CI_EMBEDDABLE_P(mid, flag, argc, kwarg) \
188 (((mid ) & ~CI_EMBED_ID_MASK) ? false : \
189 ((flag) & ~CI_EMBED_FLAG_MASK) ? false : \
190 ((argc) & ~CI_EMBED_ARGC_MASK) ? false : \
191 (kwarg) ? false : true)
192
193#define vm_ci_new_id(mid, flag, argc, must_zero) \
194 ((const struct rb_callinfo *) \
195 ((((VALUE)(mid )) << CI_EMBED_ID_SHFT) | \
196 (((VALUE)(flag)) << CI_EMBED_FLAG_SHFT) | \
197 (((VALUE)(argc)) << CI_EMBED_ARGC_SHFT) | \
198 RUBY_FIXNUM_FLAG))
199
200static inline const struct rb_callinfo *
201vm_ci_new_(ID mid, unsigned int flag, unsigned int argc, const struct rb_callinfo_kwarg *kwarg, const char *file, int line)
202{
203 if (kwarg) {
204 ((struct rb_callinfo_kwarg *)kwarg)->references++;
205 }
206 if (USE_EMBED_CI && VM_CI_EMBEDDABLE_P(mid, flag, argc, kwarg)) {
207 RB_DEBUG_COUNTER_INC(ci_packed);
208 return vm_ci_new_id(mid, flag, argc, kwarg);
209 }
210
211 const bool debug = 0;
212 if (debug) ruby_debug_printf("%s:%d ", file, line);
213
214 // TODO: dedup
215 const struct rb_callinfo *ci = (const struct rb_callinfo *)
216 rb_imemo_new(imemo_callinfo,
217 (VALUE)mid,
218 (VALUE)flag,
219 (VALUE)argc,
220 (VALUE)kwarg);
221 if (debug) rp(ci);
222 if (kwarg) {
223 RB_DEBUG_COUNTER_INC(ci_kw);
224 }
225 else {
226 RB_DEBUG_COUNTER_INC(ci_nokw);
227 }
228
229 VM_ASSERT(vm_ci_flag(ci) == flag);
230 VM_ASSERT(vm_ci_argc(ci) == argc);
231
232 return ci;
233}
234
235
236static inline const struct rb_callinfo *
237vm_ci_new_runtime_(ID mid, unsigned int flag, unsigned int argc, const struct rb_callinfo_kwarg *kwarg, const char *file, int line)
238{
239 RB_DEBUG_COUNTER_INC(ci_runtime);
240 return vm_ci_new_(mid, flag, argc, kwarg, file, line);
241}
242
243#define VM_CALLINFO_NOT_UNDER_GC IMEMO_FL_USER0
244
245static inline bool
246vm_ci_markable(const struct rb_callinfo *ci)
247{
248 if (! ci) {
249 return false; /* or true? This is Qfalse... */
250 }
251 else if (vm_ci_packed_p(ci)) {
252 return true;
253 }
254 else {
255 VM_ASSERT(IMEMO_TYPE_P(ci, imemo_callinfo));
256 return ! FL_ANY_RAW((VALUE)ci, VM_CALLINFO_NOT_UNDER_GC);
257 }
258}
259
260#define VM_CI_ON_STACK(mid_, flags_, argc_, kwarg_) \
261 (struct rb_callinfo) { \
262 .flags = T_IMEMO | \
263 (imemo_callinfo << FL_USHIFT) | \
264 VM_CALLINFO_NOT_UNDER_GC, \
265 .mid = mid_, \
266 .flag = flags_, \
267 .argc = argc_, \
268 .kwarg = kwarg_, \
269 }
270
271typedef VALUE (*vm_call_handler)(
273 struct rb_control_frame_struct *cfp,
274 struct rb_calling_info *calling);
275
276// imemo_callcache
277
279 const VALUE flags;
280
281 /* inline cache: key */
282 const VALUE klass; // should not mark it because klass can not be free'd
283 // because of this marking. When klass is collected,
284 // cc will be cleared (cc->klass = 0) at vm_ccs_free().
285
286 /* inline cache: values */
287 const struct rb_callable_method_entry_struct * const cme_;
288 const vm_call_handler call_;
289
290 union {
291 struct {
292 uintptr_t value; // Shape ID in upper bits, index in lower bits
293 } attr;
294 const enum method_missing_reason method_missing_reason; /* used by method_missing */
295 VALUE v;
296 const struct rb_builtin_function *bf;
297 } aux_;
298};
299
300#define VM_CALLCACHE_UNMARKABLE FL_FREEZE
301#define VM_CALLCACHE_ON_STACK FL_EXIVAR
302
303/* VM_CALLCACHE_IVAR used for IVAR/ATTRSET/STRUCT_AREF/STRUCT_ASET methods */
304#define VM_CALLCACHE_IVAR IMEMO_FL_USER0
305#define VM_CALLCACHE_BF IMEMO_FL_USER1
306#define VM_CALLCACHE_SUPER IMEMO_FL_USER2
307#define VM_CALLCACHE_REFINEMENT IMEMO_FL_USER3
308
309enum vm_cc_type {
310 cc_type_normal, // chained from ccs
311 cc_type_super,
312 cc_type_refinement,
313};
314
315extern const struct rb_callcache *rb_vm_empty_cc(void);
316extern const struct rb_callcache *rb_vm_empty_cc_for_super(void);
317
318#define vm_cc_empty() rb_vm_empty_cc()
319
320static inline void vm_cc_attr_index_set(const struct rb_callcache *cc, attr_index_t index, shape_id_t dest_shape_id);
321
322static inline void
323vm_cc_attr_index_initialize(const struct rb_callcache *cc, shape_id_t shape_id)
324{
325 vm_cc_attr_index_set(cc, (attr_index_t)-1, shape_id);
326}
327
328static inline const struct rb_callcache *
329vm_cc_new(VALUE klass,
330 const struct rb_callable_method_entry_struct *cme,
331 vm_call_handler call,
332 enum vm_cc_type type)
333{
334 const struct rb_callcache *cc = (const struct rb_callcache *)rb_imemo_new(imemo_callcache, (VALUE)cme, (VALUE)call, 0, klass);
335
336 switch (type) {
337 case cc_type_normal:
338 break;
339 case cc_type_super:
340 *(VALUE *)&cc->flags |= VM_CALLCACHE_SUPER;
341 break;
342 case cc_type_refinement:
343 *(VALUE *)&cc->flags |= VM_CALLCACHE_REFINEMENT;
344 break;
345 }
346
347 vm_cc_attr_index_initialize(cc, INVALID_SHAPE_ID);
348 RB_DEBUG_COUNTER_INC(cc_new);
349 return cc;
350}
351
352static inline bool
353vm_cc_super_p(const struct rb_callcache *cc)
354{
355 return (cc->flags & VM_CALLCACHE_SUPER) != 0;
356}
357
358static inline bool
359vm_cc_refinement_p(const struct rb_callcache *cc)
360{
361 return (cc->flags & VM_CALLCACHE_REFINEMENT) != 0;
362}
363
364#define VM_CC_ON_STACK(clazz, call, aux, cme) \
365 (struct rb_callcache) { \
366 .flags = T_IMEMO | \
367 (imemo_callcache << FL_USHIFT) | \
368 VM_CALLCACHE_UNMARKABLE | \
369 VM_CALLCACHE_ON_STACK, \
370 .klass = clazz, \
371 .cme_ = cme, \
372 .call_ = call, \
373 .aux_ = aux, \
374 }
375
376static inline bool
377vm_cc_class_check(const struct rb_callcache *cc, VALUE klass)
378{
379 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
380 VM_ASSERT(cc->klass == 0 ||
381 RB_TYPE_P(cc->klass, T_CLASS) || RB_TYPE_P(cc->klass, T_ICLASS));
382 return cc->klass == klass;
383}
384
385static inline int
386vm_cc_markable(const struct rb_callcache *cc)
387{
388 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
389 return FL_TEST_RAW((VALUE)cc, VM_CALLCACHE_UNMARKABLE) == 0;
390}
391
392static inline const struct rb_callable_method_entry_struct *
393vm_cc_cme(const struct rb_callcache *cc)
394{
395 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
396 VM_ASSERT(cc->call_ == NULL || // not initialized yet
397 !vm_cc_markable(cc) ||
398 cc->cme_ != NULL);
399
400 return cc->cme_;
401}
402
403static inline vm_call_handler
404vm_cc_call(const struct rb_callcache *cc)
405{
406 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
407 VM_ASSERT(cc->call_ != NULL);
408 return cc->call_;
409}
410
411static inline attr_index_t
412vm_cc_attr_index(const struct rb_callcache *cc)
413{
414 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
415 return (attr_index_t)((cc->aux_.attr.value & SHAPE_FLAG_MASK) - 1);
416}
417
418static inline shape_id_t
419vm_cc_attr_index_dest_shape_id(const struct rb_callcache *cc)
420{
421 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
422
423 return cc->aux_.attr.value >> SHAPE_FLAG_SHIFT;
424}
425
426static inline void
427vm_cc_atomic_shape_and_index(const struct rb_callcache *cc, shape_id_t * shape_id, attr_index_t * index)
428{
429 uintptr_t cache_value = cc->aux_.attr.value; // Atomically read 64 bits
430 *shape_id = (shape_id_t)(cache_value >> SHAPE_FLAG_SHIFT);
431 *index = (attr_index_t)(cache_value & SHAPE_FLAG_MASK) - 1;
432 return;
433}
434
435static inline void
436vm_ic_atomic_shape_and_index(const struct iseq_inline_iv_cache_entry *ic, shape_id_t * shape_id, attr_index_t * index)
437{
438 uintptr_t cache_value = ic->value; // Atomically read 64 bits
439 *shape_id = (shape_id_t)(cache_value >> SHAPE_FLAG_SHIFT);
440 *index = (attr_index_t)(cache_value & SHAPE_FLAG_MASK) - 1;
441 return;
442}
443
444static inline shape_id_t
445vm_ic_attr_index_dest_shape_id(const struct iseq_inline_iv_cache_entry *ic)
446{
447 return (shape_id_t)(ic->value >> SHAPE_FLAG_SHIFT);
448}
449
450static inline unsigned int
451vm_cc_cmethod_missing_reason(const struct rb_callcache *cc)
452{
453 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
454 return cc->aux_.method_missing_reason;
455}
456
457static inline bool
458vm_cc_invalidated_p(const struct rb_callcache *cc)
459{
460 if (cc->klass && !METHOD_ENTRY_INVALIDATED(vm_cc_cme(cc))) {
461 return false;
462 }
463 else {
464 return true;
465 }
466}
467
468// For RJIT. cc_cme is supposed to have inlined `vm_cc_cme(cc)`.
469static inline bool
470vm_cc_valid_p(const struct rb_callcache *cc, const rb_callable_method_entry_t *cc_cme, VALUE klass)
471{
472 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
473 if (cc->klass == klass && !METHOD_ENTRY_INVALIDATED(cc_cme)) {
474 return 1;
475 }
476 else {
477 return 0;
478 }
479}
480
481/* callcache: mutate */
482
483static inline void
484vm_cc_call_set(const struct rb_callcache *cc, vm_call_handler call)
485{
486 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
487 VM_ASSERT(cc != vm_cc_empty());
488 *(vm_call_handler *)&cc->call_ = call;
489}
490
491static inline void
492set_vm_cc_ivar(const struct rb_callcache *cc)
493{
494 *(VALUE *)&cc->flags |= VM_CALLCACHE_IVAR;
495}
496
497static inline void
498vm_cc_attr_index_set(const struct rb_callcache *cc, attr_index_t index, shape_id_t dest_shape_id)
499{
500 uintptr_t *attr_value = (uintptr_t *)&cc->aux_.attr.value;
501 if (!vm_cc_markable(cc)) {
502 *attr_value = (uintptr_t)INVALID_SHAPE_ID << SHAPE_FLAG_SHIFT;
503 return;
504 }
505 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
506 VM_ASSERT(cc != vm_cc_empty());
507 *attr_value = (attr_index_t)(index + 1) | ((uintptr_t)(dest_shape_id) << SHAPE_FLAG_SHIFT);
508 set_vm_cc_ivar(cc);
509}
510
511static inline bool
512vm_cc_ivar_p(const struct rb_callcache *cc)
513{
514 return (cc->flags & VM_CALLCACHE_IVAR) != 0;
515}
516
517static inline void
518vm_ic_attr_index_set(const rb_iseq_t *iseq, const struct iseq_inline_iv_cache_entry *ic, attr_index_t index, shape_id_t dest_shape_id)
519{
520 *(uintptr_t *)&ic->value = ((uintptr_t)dest_shape_id << SHAPE_FLAG_SHIFT) | (attr_index_t)(index + 1);
521}
522
523static inline void
524vm_ic_attr_index_initialize(const struct iseq_inline_iv_cache_entry *ic, shape_id_t shape_id)
525{
526 *(uintptr_t *)&ic->value = (uintptr_t)shape_id << SHAPE_FLAG_SHIFT;
527}
528
529static inline void
530vm_cc_method_missing_reason_set(const struct rb_callcache *cc, enum method_missing_reason reason)
531{
532 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
533 VM_ASSERT(cc != vm_cc_empty());
534 *(enum method_missing_reason *)&cc->aux_.method_missing_reason = reason;
535}
536
537static inline void
538vm_cc_bf_set(const struct rb_callcache *cc, const struct rb_builtin_function *bf)
539{
540 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
541 VM_ASSERT(cc != vm_cc_empty());
542 *(const struct rb_builtin_function **)&cc->aux_.bf = bf;
543 *(VALUE *)&cc->flags |= VM_CALLCACHE_BF;
544}
545
546static inline bool
547vm_cc_bf_p(const struct rb_callcache *cc)
548{
549 return (cc->flags & VM_CALLCACHE_BF) != 0;
550}
551
552static inline void
553vm_cc_invalidate(const struct rb_callcache *cc)
554{
555 VM_ASSERT(IMEMO_TYPE_P(cc, imemo_callcache));
556 VM_ASSERT(cc != vm_cc_empty());
557 VM_ASSERT(cc->klass != 0); // should be enable
558
559 *(VALUE *)&cc->klass = 0;
560 RB_DEBUG_COUNTER_INC(cc_ent_invalidate);
561}
562
563/* calldata */
564
566 const struct rb_callinfo *ci;
567 const struct rb_callcache *cc;
568};
569
571#if VM_CHECK_MODE > 0
572 VALUE debug_sig;
573#endif
574 int capa;
575 int len;
576 const struct rb_callable_method_entry_struct *cme;
578 const struct rb_callinfo *ci;
579 const struct rb_callcache *cc;
580 } *entries;
581};
582
583#if VM_CHECK_MODE > 0
584
585const rb_callable_method_entry_t *rb_vm_lookup_overloaded_cme(const rb_callable_method_entry_t *cme);
586void rb_vm_dump_overloaded_cme_table(void);
587
588static inline bool
589vm_ccs_p(const struct rb_class_cc_entries *ccs)
590{
591 return ccs->debug_sig == ~(VALUE)ccs;
592}
593
594static inline bool
595vm_cc_check_cme(const struct rb_callcache *cc, const rb_callable_method_entry_t *cme)
596{
597 if (vm_cc_cme(cc) == cme ||
598 (cme->def->iseq_overload && vm_cc_cme(cc) == rb_vm_lookup_overloaded_cme(cme))) {
599 return true;
600 }
601 else {
602#if 1
603 // debug print
604
605 fprintf(stderr, "iseq_overload:%d\n", (int)cme->def->iseq_overload);
606 rp(cme);
607 rp(vm_cc_cme(cc));
608 rb_vm_lookup_overloaded_cme(cme);
609#endif
610 return false;
611 }
612}
613
614#endif
615
616// gc.c
617void rb_vm_ccs_free(struct rb_class_cc_entries *ccs);
618
619#endif /* RUBY_VM_CALLINFO_H */
#define T_ICLASS
Old name of RUBY_T_ICLASS.
Definition value_type.h:66
#define FL_TEST_RAW
Old name of RB_FL_TEST_RAW.
Definition fl_type.h:132
#define FL_ANY_RAW
Old name of RB_FL_ANY_RAW.
Definition fl_type.h:126
#define T_CLASS
Old name of RUBY_T_CLASS.
Definition value_type.h:58
VALUE rb_eRuntimeError
RuntimeError exception.
Definition error.c:1342
VALUE type(ANYARGS)
ANYARGS-ed function type.
Definition vm_core.h:262
Definition method.h:62
uintptr_t ID
Type that represents a Ruby identifier such as a variable name.
Definition value.h:52
uintptr_t VALUE
Type that represents a Ruby object.
Definition value.h:40