14#include "ruby/internal/config.h"
25#include "internal/array.h"
26#include "internal/class.h"
27#include "internal/error.h"
28#include "internal/eval.h"
29#include "internal/inits.h"
30#include "internal/numeric.h"
31#include "internal/object.h"
32#include "internal/struct.h"
33#include "internal/string.h"
34#include "internal/symbol.h"
35#include "internal/variable.h"
73static VALUE rb_cNilClass_to_s;
74static VALUE rb_cTrueClass_to_s;
75static VALUE rb_cFalseClass_to_s;
81#define id_match idEqTilde
82#define id_inspect idInspect
83#define id_init_copy idInitialize_copy
84#define id_init_clone idInitialize_clone
85#define id_init_dup idInitialize_dup
86#define id_const_missing idConst_missing
89#define CLASS_OR_MODULE_P(obj) \
90 (!SPECIAL_CONST_P(obj) && \
91 (BUILTIN_TYPE(obj) == T_CLASS || BUILTIN_TYPE(obj) == T_MODULE))
98 return offsetof(
struct RObject, as.ary) + (
sizeof(
VALUE) * numiv);
105 RBASIC_CLEAR_CLASS(obj);
114 RBASIC_SET_CLASS(obj, klass);
123 RBASIC(obj)->flags = (
type & ~ignored_flags) | (
RBASIC(obj)->flags & ignored_flags);
124 RBASIC_SET_CLASS(obj, klass);
142#define case_equal rb_equal
151 if (obj1 == obj2)
return Qtrue;
152 result = rb_equal_opt(obj1, obj2);
153 if (UNDEF_P(result)) {
156 return RBOOL(
RTEST(result));
164 if (obj1 == obj2)
return TRUE;
165 result = rb_eql_opt(obj1, obj2);
166 if (UNDEF_P(result)) {
169 return RTEST(result);
178 return RBOOL(obj1 == obj2);
190 return RBOOL(!
RTEST(obj));
201 return rb_obj_not(result);
238rb_obj_singleton_class(
VALUE obj)
250 rb_shape_t * src_shape = rb_shape_get_shape(obj);
252 if (rb_shape_obj_too_complex(obj)) {
254 st_table *table = st_copy(ROBJECT_IV_HASH(obj));
255 rb_obj_convert_to_too_complex(dest, table);
260 uint32_t src_num_ivs = RBASIC_IV_COUNT(obj);
261 rb_shape_t * shape_to_set_on_dest = src_shape;
270 if (rb_shape_frozen_shape_p(src_shape)) {
271 shape_to_set_on_dest = rb_shape_get_parent(src_shape);
277 rb_shape_t * initial_shape = rb_shape_get_shape(dest);
279 if (initial_shape->size_pool_index != src_shape->size_pool_index) {
280 RUBY_ASSERT(initial_shape->type == SHAPE_T_OBJECT);
282 shape_to_set_on_dest = rb_shape_rebuild_shape(initial_shape, src_shape);
283 if (UNLIKELY(rb_shape_id(shape_to_set_on_dest) == OBJ_TOO_COMPLEX_SHAPE_ID)) {
284 st_table * table = rb_st_init_numtable_with_size(src_num_ivs);
285 rb_obj_copy_ivs_to_hash_table(obj, table);
286 rb_obj_convert_to_too_complex(dest, table);
292 RUBY_ASSERT(src_num_ivs <= shape_to_set_on_dest->capacity || rb_shape_id(shape_to_set_on_dest) == OBJ_TOO_COMPLEX_SHAPE_ID);
293 if (initial_shape->capacity < shape_to_set_on_dest->capacity) {
294 rb_ensure_iv_list_size(dest, initial_shape->capacity, shape_to_set_on_dest->capacity);
301 for (uint32_t i = 0; i < src_num_ivs; i++) {
305 rb_shape_set_shape(dest, shape_to_set_on_dest);
317 rb_copy_wb_protected_attribute(dest, obj);
319 rb_gc_copy_finalizer(dest, obj);
322 rb_obj_copy_ivar(dest, obj);
328PUREFUNC(
static inline int special_object_p(
VALUE obj));
330special_object_p(
VALUE obj)
347obj_freeze_opt(
VALUE freeze)
355 rb_raise(rb_eArgError,
"unexpected value for freeze: %"PRIsVALUE,
rb_obj_class(freeze));
362rb_obj_clone2(rb_execution_context_t *ec,
VALUE obj,
VALUE freeze)
364 VALUE kwfreeze = obj_freeze_opt(freeze);
365 if (!special_object_p(obj))
366 return mutable_obj_clone(obj, kwfreeze);
367 return immutable_obj_clone(obj, kwfreeze);
372rb_immutable_obj_clone(
int argc,
VALUE *argv,
VALUE obj)
374 VALUE kwfreeze = rb_get_freeze_opt(argc, argv);
375 return immutable_obj_clone(obj, kwfreeze);
379rb_get_freeze_opt(
int argc,
VALUE *argv)
381 static ID keyword_ids[1];
385 if (!keyword_ids[0]) {
391 if (!UNDEF_P(kwfreeze))
392 kwfreeze = obj_freeze_opt(kwfreeze);
401 rb_raise(rb_eArgError,
"can't unfreeze %"PRIsVALUE,
411 VALUE singleton = rb_singleton_class_clone_and_attach(obj, clone);
412 RBASIC_SET_CLASS(clone, singleton);
417 init_copy(clone, obj);
423 if (RB_OBJ_FROZEN(obj)) {
424 rb_shape_t * next_shape = rb_shape_transition_shape_frozen(clone);
425 if (!rb_shape_obj_too_complex(clone) && next_shape->type == SHAPE_OBJ_TOO_COMPLEX) {
426 rb_evict_ivars_to_hash(clone);
429 rb_shape_set_shape(clone, next_shape);
434 static VALUE freeze_true_hash;
435 if (!freeze_true_hash) {
436 freeze_true_hash = rb_hash_new();
437 rb_gc_register_mark_object(freeze_true_hash);
438 rb_hash_aset(freeze_true_hash,
ID2SYM(idFreeze),
Qtrue);
439 rb_obj_freeze(freeze_true_hash);
443 argv[1] = freeze_true_hash;
446 rb_shape_t * next_shape = rb_shape_transition_shape_frozen(clone);
449 if (!rb_shape_obj_too_complex(clone) && next_shape->type == SHAPE_OBJ_TOO_COMPLEX) {
450 rb_evict_ivars_to_hash(clone);
453 rb_shape_set_shape(clone, next_shape);
458 static VALUE freeze_false_hash;
459 if (!freeze_false_hash) {
460 freeze_false_hash = rb_hash_new();
461 rb_gc_register_mark_object(freeze_false_hash);
462 rb_hash_aset(freeze_false_hash,
ID2SYM(idFreeze),
Qfalse);
463 rb_obj_freeze(freeze_false_hash);
467 argv[1] = freeze_false_hash;
472 rb_bug(
"invalid kwfreeze passed to mutable_obj_clone");
482 return rb_obj_clone_setup(obj, clone, kwfreeze);
488 if (special_object_p(obj))
return obj;
489 return mutable_obj_clone(obj,
Qnil);
545 if (special_object_p(obj)) {
549 return rb_obj_dup_setup(obj, dup);
564rb_obj_itself(
VALUE obj)
583 if (obj == orig)
return obj;
586 rb_raise(
rb_eTypeError,
"initialize_copy should take same class object");
615 if (
rb_scan_args(argc, argv,
"1:", &orig, &opts) < argc) {
617 rb_get_freeze_opt(1, &opts);
639 str = rb_sprintf(
"#<%"PRIsVALUE
":%p>", cname, (
void*)obj);
647 VALUE str = rb_obj_as_string(rb_funcallv(obj, id_inspect, 0, 0));
649 rb_encoding *enc = rb_default_internal_encoding();
650 if (enc == NULL) enc = rb_default_external_encoding();
651 if (!rb_enc_asciicompat(enc)) {
653 return rb_str_escape(str);
657 return rb_str_escape(str);
662inspect_i(
ID id,
VALUE value, st_data_t a)
667 if (
CLASS_OF(value) == 0)
return ST_CONTINUE;
669 if (RSTRING_PTR(str)[0] ==
'-') {
670 RSTRING_PTR(str)[0] =
'#';
676 rb_str_catf(str,
"%"PRIsVALUE
"=", rb_id2str(
id));
692 RSTRING_PTR(str)[0] =
'#';
725rb_obj_inspect(
VALUE obj)
731 str = rb_sprintf(
"-<%"PRIsVALUE
":%p", c, (
void*)obj);
740class_or_module_required(
VALUE c)
742 switch (OBJ_BUILTIN_TYPE(c)) {
776 c = class_or_module_required(c);
788 size_t c_depth = RCLASS_SUPERCLASS_DEPTH(c);
789 size_t cl_depth = RCLASS_SUPERCLASS_DEPTH(cl);
790 VALUE *classes = RCLASS_SUPERCLASSES(cl);
794 if (cl_depth <= c_depth)
798 return RBOOL(classes[c_depth] == c);
838 if (cl == c)
return Qtrue;
843 if (LIKELY(RB_TYPE_P(c,
T_CLASS))) {
845 return class_search_class_ancestor(cl, c);
850 VALUE includer = RCLASS_INCLUDER(c);
851 if (cl == includer)
return Qtrue;
857 if (RB_TYPE_P(includer,
T_CLASS) && class_search_class_ancestor(cl, includer))
862 return RBOOL(class_search_ancestor(cl, RCLASS_ORIGIN(c)));
866 return RBOOL(class_search_ancestor(cl, RCLASS_ORIGIN(c)));
879 if (cl == c || RCLASS_M_TBL(cl) == RCLASS_M_TBL(c))
890 cl = class_or_module_required(cl);
891 c = class_or_module_required(c);
892 return class_search_ancestor(cl, RCLASS_ORIGIN(c));
923#define rb_obj_class_inherited rb_obj_dummy1
946#define rb_obj_mod_method_added rb_obj_dummy1
973#define rb_obj_mod_method_removed rb_obj_dummy1
1000#define rb_obj_mod_method_undefined rb_obj_dummy1
1027#define rb_obj_singleton_method_added rb_obj_dummy1
1056#define rb_obj_singleton_method_removed rb_obj_dummy1
1081#define rb_obj_singleton_method_undefined rb_obj_dummy1
1103#define rb_obj_mod_const_added rb_obj_dummy1
1123#define rb_obj_mod_extended rb_obj_dummy1
1146#define rb_obj_mod_included rb_obj_dummy1
1166#define rb_obj_mod_prepended rb_obj_dummy1
1176#define rb_obj_initialize rb_obj_dummy0
1191 return rb_obj_dummy();
1197 return rb_obj_dummy();
1230 rb_bug(
"special consts should be frozen.");
1287rb_nil_to_s(
VALUE obj)
1289 return rb_cNilClass_to_s;
1325 return rb_hash_new();
1339nil_inspect(
VALUE obj)
1396rb_true_to_s(
VALUE obj)
1398 return rb_cTrueClass_to_s;
1417 return RBOOL(
RTEST(obj2));
1461 return rb_obj_not(obj2);
1483rb_false_to_s(
VALUE obj)
1485 return rb_cFalseClass_to_s;
1523#define false_or true_and
1538#define false_xor true_and
1583 return rb_obj_not(result);
1651rb_mod_to_s(
VALUE klass)
1654 VALUE refined_class, defined_at;
1658 VALUE v = RCLASS_ATTACHED_OBJECT(klass);
1660 if (CLASS_OR_MODULE_P(v)) {
1670 refined_class = rb_refinement_module_get_refined_class(klass);
1671 if (!
NIL_P(refined_class)) {
1676 CONST_ID(id_defined_at,
"__defined_at__");
1677 defined_at = rb_attr_get(klass, id_defined_at);
1695rb_mod_freeze(
VALUE mod)
1698 return rb_obj_freeze(mod);
1731 if (mod == arg)
return Qtrue;
1735 size_t mod_depth = RCLASS_SUPERCLASS_DEPTH(mod);
1736 size_t arg_depth = RCLASS_SUPERCLASS_DEPTH(arg);
1737 if (arg_depth < mod_depth) {
1739 return RCLASS_SUPERCLASSES(mod)[arg_depth] == arg ?
1743 else if (arg_depth > mod_depth) {
1745 return RCLASS_SUPERCLASSES(arg)[mod_depth] == mod ?
1755 if (!CLASS_OR_MODULE_P(arg) && !RB_TYPE_P(arg,
T_ICLASS)) {
1758 if (class_search_ancestor(mod, RCLASS_ORIGIN(arg))) {
1762 if (class_search_ancestor(arg, mod)) {
1785 if (mod == arg)
return Qfalse;
1805 if (!CLASS_OR_MODULE_P(arg)) {
1828 if (mod == arg)
return Qfalse;
1829 return rb_mod_ge(mod, arg);
1849 if (mod == arg)
return INT2FIX(0);
1850 if (!CLASS_OR_MODULE_P(arg)) {
1862static VALUE rb_mod_initialize_exec(
VALUE module);
1891rb_mod_initialize(
VALUE module)
1893 return rb_mod_initialize_exec(module);
1897rb_mod_initialize_exec(
VALUE module)
1907rb_mod_initialize_clone(
int argc,
VALUE* argv,
VALUE clone)
1909 VALUE ret, orig, opts;
1948rb_class_initialize(
int argc,
VALUE *argv,
VALUE klass)
1962 rb_raise(
rb_eTypeError,
"can't inherit uninitialized class");
1965 RCLASS_SET_SUPER(klass, super);
1966 rb_make_metaclass(klass,
RBASIC(super)->klass);
1968 rb_mod_initialize_exec(klass);
1975rb_undefined_alloc(
VALUE klass)
1977 rb_raise(
rb_eTypeError,
"allocator undefined for %"PRIsVALUE,
2007rb_class_alloc_m(
VALUE klass)
2011 rb_raise(
rb_eTypeError,
"calling %"PRIsVALUE
".allocate is prohibited",
2014 return class_call_alloc_func(allocator, klass);
2018rb_class_alloc(
VALUE klass)
2021 return class_call_alloc_func(allocator, klass);
2025class_get_alloc_func(
VALUE klass)
2030 rb_raise(
rb_eTypeError,
"can't instantiate uninitialized class");
2033 rb_raise(
rb_eTypeError,
"can't create instance of singleton class");
2037 rb_undefined_alloc(klass);
2049 obj = (*allocator)(klass);
2061 return rb_class_alloc(klass);
2080 obj = rb_class_alloc(klass);
2092 obj = rb_class_alloc(klass);
2093 rb_obj_call_init_kw(obj, argc, argv, kw_splat);
2125 if (!RCLASS_SUPERCLASS_DEPTH(klass)) {
2129 super = RCLASS_SUPERCLASSES(klass)[RCLASS_SUPERCLASS_DEPTH(klass) - 1];
2138 return RCLASS(klass)->super;
2141static const char bad_instance_name[] =
"`%1$s' is not allowed as an instance variable name";
2142static const char bad_class_name[] =
"`%1$s' is not allowed as a class variable name";
2143static const char bad_const_name[] =
"wrong constant name %1$s";
2144static const char bad_attr_name[] =
"invalid attribute name `%1$s'";
2145#define wrong_constant_name bad_const_name
2148#define id_for_var(obj, name, type) id_for_setter(obj, name, type, bad_##type##_name)
2150#define id_for_setter(obj, name, type, message) \
2151 check_setter_id(obj, &(name), rb_is_##type##_id, rb_is_##type##_name, message, strlen(message))
2154 int (*valid_id_p)(
ID),
int (*valid_name_p)(
VALUE),
2155 const char *message,
size_t message_len)
2158 VALUE name = *pname;
2160 if (
id ? !valid_id_p(
id) : !valid_name_p(name)) {
2161 rb_name_err_raise_str(rb_fstring_new(message, message_len),
2168rb_is_attr_name(
VALUE name)
2170 return rb_is_local_name(name) || rb_is_const_name(name);
2182 ID id = id_for_var(obj, name, attr);
2183 if (!
id)
id = rb_intern_str(name);
2202rb_mod_attr_reader(
int argc,
VALUE *argv,
VALUE klass)
2207 for (i=0; i<argc; i++) {
2208 ID id = id_for_attr(klass, argv[i]);
2209 rb_attr(klass,
id, TRUE, FALSE, TRUE);
2210 rb_ary_push(names,
ID2SYM(
id));
2220rb_mod_attr(
int argc,
VALUE *argv,
VALUE klass)
2222 if (argc == 2 && (argv[1] ==
Qtrue || argv[1] ==
Qfalse)) {
2223 ID id = id_for_attr(klass, argv[0]);
2224 VALUE names = rb_ary_new();
2228 rb_ary_push(names,
ID2SYM(
id));
2229 if (argv[1] ==
Qtrue) rb_ary_push(names,
ID2SYM(rb_id_attrset(
id)));
2232 return rb_mod_attr_reader(argc, argv, klass);
2247rb_mod_attr_writer(
int argc,
VALUE *argv,
VALUE klass)
2252 for (i=0; i<argc; i++) {
2253 ID id = id_for_attr(klass, argv[i]);
2254 rb_attr(klass,
id, FALSE, TRUE, TRUE);
2255 rb_ary_push(names,
ID2SYM(rb_id_attrset(
id)));
2279rb_mod_attr_accessor(
int argc,
VALUE *argv,
VALUE klass)
2284 for (i=0; i<argc; i++) {
2285 ID id = id_for_attr(klass, argv[i]);
2287 rb_attr(klass,
id, TRUE, TRUE, TRUE);
2288 rb_ary_push(names,
ID2SYM(
id));
2289 rb_ary_push(names,
ID2SYM(rb_id_attrset(
id)));
2335rb_mod_const_get(
int argc,
VALUE *argv,
VALUE mod)
2339 const char *pbeg, *p, *path, *pend;
2344 recur = (argc == 1) ?
Qtrue : argv[1];
2347 if (!rb_is_const_sym(name))
goto wrong_name;
2349 if (!
id)
return rb_const_missing(mod, name);
2354 enc = rb_enc_get(name);
2356 if (!rb_enc_asciicompat(enc)) {
2357 rb_raise(rb_eArgError,
"invalid class path encoding (non ASCII)");
2361 pend = path + RSTRING_LEN(name);
2363 if (p >= pend || !*p) {
2367 if (p + 2 < pend && p[0] ==
':' && p[1] ==
':') {
2377 while (p < pend && *p !=
':') p++;
2379 if (pbeg == p)
goto wrong_name;
2384 if (p < pend && p[0] ==
':') {
2385 if (p + 2 >= pend || p[1] !=
':')
goto wrong_name;
2391 rb_raise(
rb_eTypeError,
"%"PRIsVALUE
" does not refer to class/module",
2396 part = rb_str_subseq(name, beglen,
len);
2398 if (!rb_is_const_name(part)) {
2402 else if (!rb_method_basic_definition_p(
CLASS_OF(mod), id_const_missing)) {
2403 part = rb_str_intern(part);
2404 mod = rb_const_missing(mod, part);
2408 rb_mod_const_missing(mod, part);
2416 mod = rb_const_get_0(mod,
id, beglen > 0 || !
RTEST(recur),
RTEST(recur), FALSE);
2418 if (!
RTEST(recur)) {
2421 else if (beglen == 0) {
2433 rb_name_err_raise(wrong_constant_name, mod, name);
2459 ID id = id_for_var(mod, name,
const);
2460 if (!
id)
id = rb_intern_str(name);
2508rb_mod_const_defined(
int argc,
VALUE *argv,
VALUE mod)
2512 const char *pbeg, *p, *path, *pend;
2517 recur = (argc == 1) ?
Qtrue : argv[1];
2520 if (!rb_is_const_sym(name))
goto wrong_name;
2527 enc = rb_enc_get(name);
2529 if (!rb_enc_asciicompat(enc)) {
2530 rb_raise(rb_eArgError,
"invalid class path encoding (non ASCII)");
2534 pend = path + RSTRING_LEN(name);
2536 if (p >= pend || !*p) {
2540 if (p + 2 < pend && p[0] ==
':' && p[1] ==
':') {
2550 while (p < pend && *p !=
':') p++;
2552 if (pbeg == p)
goto wrong_name;
2557 if (p < pend && p[0] ==
':') {
2558 if (p + 2 >= pend || p[1] !=
':')
goto wrong_name;
2564 part = rb_str_subseq(name, beglen,
len);
2566 if (!rb_is_const_name(part)) {
2580 mod = rb_const_search(mod,
id, beglen > 0 || !
RTEST(recur),
RTEST(recur), FALSE);
2581 if (UNDEF_P(mod))
return Qfalse;
2583 if (!
RTEST(recur)) {
2586 if (p == pend)
return Qtrue;
2589 else if (beglen == 0) {
2592 if (p == pend)
return Qtrue;
2598 if (p == pend)
return Qtrue;
2603 if (p < pend && !RB_TYPE_P(mod,
T_MODULE) && !RB_TYPE_P(mod,
T_CLASS)) {
2604 rb_raise(
rb_eTypeError,
"%"PRIsVALUE
" does not refer to class/module",
2612 rb_name_err_raise(wrong_constant_name, mod, name);
2668rb_mod_const_source_location(
int argc,
VALUE *argv,
VALUE mod)
2672 const char *pbeg, *p, *path, *pend;
2677 recur = (argc == 1) ?
Qtrue : argv[1];
2680 if (!rb_is_const_sym(name))
goto wrong_name;
2682 if (!
id)
return Qnil;
2683 return RTEST(recur) ? rb_const_source_location(mod,
id) : rb_const_source_location_at(mod, id);
2687 enc = rb_enc_get(name);
2689 if (!rb_enc_asciicompat(enc)) {
2690 rb_raise(rb_eArgError,
"invalid class path encoding (non ASCII)");
2694 pend = path + RSTRING_LEN(name);
2696 if (p >= pend || !*p) {
2700 if (p + 2 < pend && p[0] ==
':' && p[1] ==
':') {
2710 while (p < pend && *p !=
':') p++;
2712 if (pbeg == p)
goto wrong_name;
2717 if (p < pend && p[0] ==
':') {
2718 if (p + 2 >= pend || p[1] !=
':')
goto wrong_name;
2724 part = rb_str_subseq(name, beglen,
len);
2726 if (!rb_is_const_name(part)) {
2746 rb_raise(
rb_eTypeError,
"%"PRIsVALUE
" does not refer to class/module",
2752 loc = rb_const_source_location(mod,
id);
2755 loc = rb_const_source_location_at(mod,
id);
2765 rb_name_err_raise(wrong_constant_name, mod, name);
2794 ID id = id_for_var(obj, iv, instance);
2828 ID id = id_for_var(obj, iv, instance);
2829 if (!
id)
id = rb_intern_str(iv);
2856 ID id = id_for_var(obj, iv, instance);
2883 ID id = id_for_var(obj, iv,
class);
2886 rb_name_err_raise(
"uninitialized class variable %1$s in %2$s",
2915 ID id = id_for_var(obj, iv,
class);
2916 if (!
id)
id = rb_intern_str(iv);
2940 ID id = id_for_var(obj, iv,
class);
2962rb_mod_singleton_p(
VALUE klass)
2968static const struct conv_method_tbl {
2969 const char method[6];
2971} conv_method_names[] = {
2972#define M(n) {#n, (unsigned short)idTo_##n}
2987#define IMPLICIT_CONVERSIONS 7
2990conv_method_index(
const char *method)
2992 static const char prefix[] =
"to_";
2994 if (strncmp(prefix, method,
sizeof(prefix)-1) == 0) {
2995 const char *
const meth = &method[
sizeof(prefix)-1];
2997 for (i=0; i < numberof(conv_method_names); i++) {
2998 if (conv_method_names[i].method[0] == meth[0] &&
2999 strcmp(conv_method_names[i].method, meth) == 0) {
3004 return numberof(conv_method_names);
3008convert_type_with_id(
VALUE val,
const char *tname,
ID method,
int raise,
int index)
3014 ((index < 0 ? conv_method_index(rb_id2name(method)) : index)
3015 < IMPLICIT_CONVERSIONS) ?
3016 "no implicit conversion of" :
"can't convert";
3017 const char *cname =
NIL_P(val) ?
"nil" :
3018 val ==
Qtrue ?
"true" :
3019 val ==
Qfalse ?
"false" :
3022 rb_raise(
rb_eTypeError,
"%s %s into %s", msg, cname, tname);
3033convert_type(
VALUE val,
const char *tname,
const char *method,
int raise)
3035 int i = conv_method_index(method);
3036 ID m = i < numberof(conv_method_names) ?
3037 conv_method_names[i].id : rb_intern(method);
3038 return convert_type_with_id(val, tname, m, raise, i);
3042NORETURN(
static void conversion_mismatch(
VALUE,
const char *,
const char *,
VALUE));
3044conversion_mismatch(
VALUE val,
const char *tname,
const char *method,
VALUE result)
3048 "can't convert %"PRIsVALUE
" to %s (%"PRIsVALUE
"#%s gives %"PRIsVALUE
")",
3058 v = convert_type(val, tname, method, TRUE);
3060 conversion_mismatch(val, tname, method, v);
3067rb_convert_type_with_id(
VALUE val,
int type,
const char *tname,
ID method)
3072 v = convert_type_with_id(val, tname, method, TRUE, -1);
3074 conversion_mismatch(val, tname, RSTRING_PTR(rb_id2str(method)), v);
3086 v = convert_type(val, tname, method, FALSE);
3089 conversion_mismatch(val, tname, method, v);
3096rb_check_convert_type_with_id(
VALUE val,
int type,
const char *tname,
ID method)
3102 v = convert_type_with_id(val, tname, method, FALSE, -1);
3105 conversion_mismatch(val, tname, RSTRING_PTR(rb_id2str(method)), v);
3110#define try_to_int(val, mid, raise) \
3111 convert_type_with_id(val, "Integer", mid, raise, -1)
3113ALWAYS_INLINE(
static VALUE rb_to_integer_with_id_exception(
VALUE val,
const char *method,
ID mid,
int raise));
3116rb_to_integer_with_id_exception(
VALUE val,
const char *method,
ID mid,
int raise)
3121 v = try_to_int(val, mid, raise);
3124 conversion_mismatch(val,
"Integer", method, v);
3128#define rb_to_integer(val, method, mid) \
3129 rb_to_integer_with_id_exception(val, method, mid, TRUE)
3137 v = convert_type(val,
"Integer", method, FALSE);
3147 return rb_to_integer(val,
"to_int", idTo_int);
3154 val = try_to_int(val, idTo_int, FALSE);
3160rb_check_to_i(
VALUE val)
3163 val = try_to_int(val, idTo_i, FALSE);
3169rb_convert_to_integer(
VALUE val,
int base,
int raise_exception)
3179 else if (! raise_exception) {
3183 rb_raise(rb_eArgError,
"base specified for non string value");
3188 if (!raise_exception && !isfinite(f))
return Qnil;
3190 return rb_dbl2big(f);
3195 else if (RB_TYPE_P(val,
T_STRING)) {
3196 return rb_str_convert_to_inum(val, base, TRUE, raise_exception);
3198 else if (
NIL_P(val)) {
3199 if (!raise_exception)
return Qnil;
3205 rb_set_errinfo(
Qnil);
3207 return rb_str_convert_to_inum(tmp, base, TRUE, raise_exception);
3210 if (!raise_exception) {
3211 VALUE result = rb_protect(rb_check_to_i, val, NULL);
3212 rb_set_errinfo(
Qnil);
3216 return rb_to_integer(val,
"to_i", idTo_i);
3222 return rb_convert_to_integer(val, 0, TRUE);
3226rb_check_integer_type(
VALUE val)
3228 return rb_to_integer_with_id_exception(val,
"to_int", idTo_int, FALSE);
3232rb_bool_expected(
VALUE obj,
const char *flagname,
int raise)
3240 static const char message[] =
"expected true or false as %s: %+"PRIsVALUE;
3242 rb_raise(rb_eArgError, message, flagname, obj);
3251rb_opts_exception_p(
VALUE opts,
int default_value)
3253 static const ID kwds[1] = {idException};
3256 return rb_bool_expected(exception,
"exception", TRUE);
3257 return default_value;
3261rb_f_integer1(rb_execution_context_t *ec,
VALUE obj,
VALUE arg)
3263 return rb_convert_to_integer(arg, 0, TRUE);
3269 int exc = rb_bool_expected(exception,
"exception", TRUE);
3270 return rb_convert_to_integer(arg,
NUM2INT(base), exc);
3274rb_cstr_to_dbl_raise(
const char *p,
int badcheck,
int raise,
int *error)
3279 const char *ellipsis =
"";
3281 enum {max_width = 20};
3282#define OutOfRange() ((end - p > max_width) ? \
3283 (w = max_width, ellipsis = "...") : \
3284 (w = (int)(end - p), ellipsis = ""))
3290 if (!badcheck && p[0] ==
'0' && (p[1] ==
'x' || p[1] ==
'X')) {
3295 if (
errno == ERANGE) {
3297 rb_warning(
"Float %.*s%s out of range", w, p, ellipsis);
3307 char buf[DBL_DIG * 4 + 10];
3309 char *
const init_e = buf + DBL_DIG * 4;
3312 int dot_seen = FALSE;
3314 switch (*p) {
case '+':
case '-': prev = *n++ = *p++;}
3317 while (*++p ==
'0');
3319 while (p < end && n < e) prev = *n++ = *p++;
3324 if (badcheck)
goto bad;
3329 if (e == init_e && (prev ==
'e' || prev ==
'E' || prev ==
'p' || prev ==
'P')) {
3330 e = buf +
sizeof(buf) - 1;
3332 switch (*p) {
case '+':
case '-': prev = *n++ = *p++;}
3335 while (*++p ==
'0');
3342 if (badcheck)
goto bad;
3346 else if (prev ==
'.' ? dot_seen++ : !
ISDIGIT(prev)) {
3347 if (badcheck)
goto bad;
3350 if (n < e) *n++ = prev;
3355 if (!badcheck && p[0] ==
'0' && (p[1] ==
'x' || p[1] ==
'X')) {
3360 if (
errno == ERANGE) {
3362 rb_warning(
"Float %.*s%s out of range", w, p, ellipsis);
3366 if (!end || p == end)
goto bad;
3367 while (*end &&
ISSPACE(*end)) end++;
3371 if (
errno == ERANGE) {
3374 rb_raise(rb_eArgError,
"Float %.*s%s out of range", w, q, ellipsis);
3384 if (error) *error = 1;
3392 return rb_cstr_to_dbl_raise(p, badcheck, TRUE, NULL);
3396rb_str_to_dbl_raise(
VALUE str,
int badcheck,
int raise,
int *error)
3405 s = RSTRING_PTR(str);
3406 len = RSTRING_LEN(str);
3408 if (badcheck && memchr(s,
'\0',
len)) {
3410 rb_raise(rb_eArgError,
"string for Float contains null byte");
3412 if (error) *error = 1;
3423 ret = rb_cstr_to_dbl_raise(s, badcheck, raise, error);
3434 return rb_str_to_dbl_raise(str, badcheck, TRUE, NULL);
3438#define fix2dbl_without_to_f(x) (double)FIX2LONG(x)
3439#define big2dbl_without_to_f(x) rb_big2dbl(x)
3440#define int2dbl_without_to_f(x) \
3441 (FIXNUM_P(x) ? fix2dbl_without_to_f(x) : big2dbl_without_to_f(x))
3442#define num2dbl_without_to_f(x) \
3443 (FIXNUM_P(x) ? fix2dbl_without_to_f(x) : \
3444 RB_BIGNUM_TYPE_P(x) ? big2dbl_without_to_f(x) : \
3445 (Check_Type(x, T_FLOAT), RFLOAT_VALUE(x)))
3447rat2dbl_without_to_f(
VALUE x)
3451 return num2dbl_without_to_f(num) / num2dbl_without_to_f(den);
3454#define special_const_to_float(val, pre, post) \
3457 rb_raise_static(rb_eTypeError, pre "nil" post); \
3459 rb_raise_static(rb_eTypeError, pre "true" post); \
3461 rb_raise_static(rb_eTypeError, pre "false" post); \
3466conversion_to_float(
VALUE val)
3468 special_const_to_float(val,
"can't convert ",
" into Float");
3472implicit_conversion_to_float(
VALUE val)
3474 special_const_to_float(val,
"no implicit conversion to float from ",
"");
3478to_float(
VALUE *valp,
int raise_exception)
3483 *valp =
DBL2NUM(fix2dbl_without_to_f(val));
3489 else if (raise_exception) {
3490 conversion_to_float(val);
3499 *valp =
DBL2NUM(big2dbl_without_to_f(val));
3502 *valp =
DBL2NUM(rat2dbl_without_to_f(val));
3512convert_type_to_float_protected(
VALUE val)
3514 return rb_convert_type_with_id(val,
T_FLOAT,
"Float", id_to_f);
3518rb_convert_to_float(
VALUE val,
int raise_exception)
3520 switch (to_float(&val, raise_exception)) {
3524 if (!raise_exception) {
3526 double x = rb_str_to_dbl_raise(val, TRUE, raise_exception, &e);
3535 if (!raise_exception) {
3537 VALUE result = rb_protect(convert_type_to_float_protected, val, &state);
3538 if (state) rb_set_errinfo(
Qnil);
3542 return rb_convert_type_with_id(val,
T_FLOAT,
"Float", id_to_f);
3550 return rb_convert_to_float(val, TRUE);
3554rb_f_float1(rb_execution_context_t *ec,
VALUE obj,
VALUE arg)
3556 return rb_convert_to_float(arg, TRUE);
3560rb_f_float(rb_execution_context_t *ec,
VALUE obj,
VALUE arg,
VALUE opts)
3562 int exception = rb_bool_expected(opts,
"exception", TRUE);
3563 return rb_convert_to_float(arg, exception);
3567numeric_to_float(
VALUE val)
3570 rb_raise(
rb_eTypeError,
"can't convert %"PRIsVALUE
" into Float",
3573 return rb_convert_type_with_id(val,
T_FLOAT,
"Float", id_to_f);
3579 switch (to_float(&val, TRUE)) {
3583 return numeric_to_float(val);
3593 return rb_check_convert_type_with_id(val,
T_FLOAT,
"Float", id_to_f);
3597basic_to_f_p(
VALUE klass)
3599 return rb_method_basic_definition_p(klass, id_to_f);
3604rb_num_to_dbl(
VALUE val)
3609 return fix2dbl_without_to_f(val);
3612 return rb_float_flonum_value(val);
3615 conversion_to_float(val);
3621 return rb_float_noflonum_value(val);
3624 return big2dbl_without_to_f(val);
3628 return rat2dbl_without_to_f(val);
3634 val = numeric_to_float(val);
3643 return fix2dbl_without_to_f(val);
3646 return rb_float_flonum_value(val);
3649 implicit_conversion_to_float(val);
3655 return rb_float_noflonum_value(val);
3657 return big2dbl_without_to_f(val);
3659 return rat2dbl_without_to_f(val);
3661 rb_raise(
rb_eTypeError,
"no implicit conversion to float from string");
3666 val = rb_convert_type_with_id(val,
T_FLOAT,
"Float", id_to_f);
3675 tmp = rb_convert_type_with_id(val,
T_STRING,
"String", idTo_s);
3705 VALUE tmp = rb_check_array_type(val);
3708 tmp = rb_check_to_array(val);
3750 if (
NIL_P(val))
return rb_hash_new();
3751 tmp = rb_check_hash_type(val);
3754 return rb_hash_new();
3797dig_basic_p(
VALUE obj,
struct dig_method *cache)
3800 if (klass != cache->klass) {
3801 cache->klass = klass;
3802 cache->basic = rb_method_basic_definition_p(klass, id_dig);
3804 return cache->basic;
3808no_dig_method(
int found,
VALUE recv,
ID mid,
int argc,
const VALUE *argv,
VALUE data)
3811 rb_raise(
rb_eTypeError,
"%"PRIsVALUE
" does not have #dig method",
3820 struct dig_method hash = {
Qnil}, ary = {
Qnil}, strt = {
Qnil};
3822 for (; argc > 0; ++argv, --argc) {
3823 if (
NIL_P(obj))
return notfound;
3827 if (dig_basic_p(obj, &hash)) {
3828 obj = rb_hash_aref(obj, *argv);
3833 if (dig_basic_p(obj, &ary)) {
3834 obj = rb_ary_at(obj, *argv);
3839 if (dig_basic_p(obj, &strt)) {
3840 obj = rb_struct_lookup(obj, *argv);
3848 return rb_check_funcall_with_hook_kw(obj, id_dig, argc, argv,
4108 Init_class_hierarchy();
4325 rb_cNilClass_to_s = rb_fstring_enc_lit(
"", rb_usascii_encoding());
4326 rb_gc_register_mark_object(rb_cNilClass_to_s);
4375 rb_class_undefined_instance_methods, 0);
4385 rb_mod_const_missing, 1);
4411 rb_cTrueClass_to_s = rb_fstring_enc_lit(
"true", rb_usascii_encoding());
4412 rb_gc_register_mark_object(rb_cTrueClass_to_s);
4423 rb_cFalseClass_to_s = rb_fstring_enc_lit(
"false", rb_usascii_encoding());
4424 rb_gc_register_mark_object(rb_cFalseClass_to_s);
4435#include "kernel.rbinc"
4436#include "nilclass.rbinc"
#define RUBY_ASSERT(expr)
Asserts that the given expression is truthy if and only if RUBY_DEBUG is truthy.
#define rb_define_method(klass, mid, func, arity)
Defines klass#mid.
#define rb_define_private_method(klass, mid, func, arity)
Defines klass#mid and makes it private.
#define rb_define_global_function(mid, func, arity)
Defines rb_mKernel #mid.
@ RUBY_FL_PROMOTED
Ruby objects are "generational".
@ RUBY_FL_SEEN_OBJ_ID
This flag has something to do with object IDs.
VALUE rb_class_protected_instance_methods(int argc, const VALUE *argv, VALUE mod)
Identical to rb_class_instance_methods(), except it returns names of methods that are protected only.
void rb_include_module(VALUE klass, VALUE module)
Includes a module to a class.
VALUE rb_define_class(const char *name, VALUE super)
Defines a top-level class.
VALUE rb_class_subclasses(VALUE klass)
Queries the class's direct descendants.
VALUE rb_singleton_class(VALUE obj)
Finds or creates the singleton class of the passed object.
VALUE rb_class_attached_object(VALUE klass)
Returns the attached object for a singleton class.
VALUE rb_obj_singleton_methods(int argc, const VALUE *argv, VALUE obj)
Identical to rb_class_instance_methods(), except it returns names of singleton methods instead of ins...
VALUE rb_class_instance_methods(int argc, const VALUE *argv, VALUE mod)
Generates an array of symbols, which are the list of method names defined in the passed class.
void rb_check_inheritable(VALUE super)
Asserts that the given class can derive a child class.
VALUE rb_class_public_instance_methods(int argc, const VALUE *argv, VALUE mod)
Identical to rb_class_instance_methods(), except it returns names of methods that are public only.
VALUE rb_define_module(const char *name)
Defines a top-level module.
void rb_singleton_class_attached(VALUE klass, VALUE obj)
Attaches a singleton class to its corresponding object.
VALUE rb_mod_included_modules(VALUE mod)
Queries the list of included modules.
VALUE rb_mod_ancestors(VALUE mod)
Queries the module's ancestors.
VALUE rb_class_inherited(VALUE super, VALUE klass)
Calls Class#inherited.
VALUE rb_mod_include_p(VALUE mod, VALUE mod2)
Queries if the passed module is included by the module.
VALUE rb_class_private_instance_methods(int argc, const VALUE *argv, VALUE mod)
Identical to rb_class_instance_methods(), except it returns names of methods that are private only.
VALUE rb_mod_init_copy(VALUE clone, VALUE orig)
The comment that comes with this function says :nodoc:.
void rb_define_alias(VALUE klass, const char *name1, const char *name2)
Defines an alias of a method.
void rb_undef_method(VALUE klass, const char *name)
Defines an undef of a method.
int rb_scan_args(int argc, const VALUE *argv, const char *fmt,...)
Retrieves argument from argc and argv to given VALUE references according to the format string.
int rb_block_given_p(void)
Determines if the current method is given a block.
int rb_get_kwargs(VALUE keyword_hash, const ID *table, int required, int optional, VALUE *values)
Keyword argument deconstructor.
#define T_COMPLEX
Old name of RUBY_T_COMPLEX.
#define TYPE(_)
Old name of rb_type.
#define FL_SINGLETON
Old name of RUBY_FL_SINGLETON.
#define RB_INTEGER_TYPE_P
Old name of rb_integer_type_p.
#define FL_EXIVAR
Old name of RUBY_FL_EXIVAR.
#define ALLOCV
Old name of RB_ALLOCV.
#define ISSPACE
Old name of rb_isspace.
#define RFLOAT_VALUE
Old name of rb_float_value.
#define T_STRING
Old name of RUBY_T_STRING.
#define T_MASK
Old name of RUBY_T_MASK.
#define Qundef
Old name of RUBY_Qundef.
#define INT2FIX
Old name of RB_INT2FIX.
#define OBJ_FROZEN
Old name of RB_OBJ_FROZEN.
#define rb_str_cat2
Old name of rb_str_cat_cstr.
#define T_FLOAT
Old name of RUBY_T_FLOAT.
#define ID2SYM
Old name of RB_ID2SYM.
#define T_BIGNUM
Old name of RUBY_T_BIGNUM.
#define SPECIAL_CONST_P
Old name of RB_SPECIAL_CONST_P.
#define T_STRUCT
Old name of RUBY_T_STRUCT.
#define OBJ_FREEZE
Old name of RB_OBJ_FREEZE.
#define UNREACHABLE_RETURN
Old name of RBIMPL_UNREACHABLE_RETURN.
#define T_DATA
Old name of RUBY_T_DATA.
#define CLASS_OF
Old name of rb_class_of.
#define T_NONE
Old name of RUBY_T_NONE.
#define FIXABLE
Old name of RB_FIXABLE.
#define LONG2FIX
Old name of RB_INT2FIX.
#define T_MODULE
Old name of RUBY_T_MODULE.
#define ISDIGIT
Old name of rb_isdigit.
#define T_RATIONAL
Old name of RUBY_T_RATIONAL.
#define T_ICLASS
Old name of RUBY_T_ICLASS.
#define T_HASH
Old name of RUBY_T_HASH.
#define rb_ary_new3
Old name of rb_ary_new_from_args.
#define rb_usascii_str_new2
Old name of rb_usascii_str_new_cstr.
#define FLONUM_P
Old name of RB_FLONUM_P.
#define Qtrue
Old name of RUBY_Qtrue.
#define NUM2INT
Old name of RB_NUM2INT.
#define Qnil
Old name of RUBY_Qnil.
#define Qfalse
Old name of RUBY_Qfalse.
#define T_ARRAY
Old name of RUBY_T_ARRAY.
#define T_OBJECT
Old name of RUBY_T_OBJECT.
#define NIL_P
Old name of RB_NIL_P.
#define T_SYMBOL
Old name of RUBY_T_SYMBOL.
#define DBL2NUM
Old name of rb_float_new.
#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_FREEZE
Old name of RUBY_FL_FREEZE.
#define FIXNUM_P
Old name of RB_FIXNUM_P.
#define CONST_ID
Old name of RUBY_CONST_ID.
#define rb_ary_new2
Old name of rb_ary_new_capa.
#define ALLOCV_END
Old name of RB_ALLOCV_END.
#define SYMBOL_P
Old name of RB_SYMBOL_P.
void rb_category_warning(rb_warning_category_t category, const char *fmt,...)
Identical to rb_warning(), except it takes additional "category" parameter.
VALUE rb_eTypeError
TypeError exception.
void rb_invalid_str(const char *str, const char *type)
Honestly I don't understand the name, but it raises an instance of rb_eArgError.
void rb_warning(const char *fmt,...)
Issues a warning.
@ RB_WARN_CATEGORY_DEPRECATED
Warning is for deprecated features.
VALUE rb_cClass
Class class.
VALUE rb_cRational
Rational class.
VALUE rb_class_superclass(VALUE klass)
Returns the superclass of klass.
size_t rb_obj_embedded_size(uint32_t numiv)
Internal header for Object.
VALUE rb_class_get_superclass(VALUE klass)
Returns the superclass of a class.
VALUE rb_convert_type(VALUE val, int type, const char *tname, const char *method)
Converts an object into another type.
VALUE rb_Float(VALUE val)
This is the logic behind Kernel#Float.
VALUE rb_mKernel
Kernel module.
VALUE rb_check_to_int(VALUE val)
Identical to rb_check_to_integer(), except it uses #to_int for conversion.
VALUE rb_obj_reveal(VALUE obj, VALUE klass)
Make a hidden object visible again.
VALUE rb_check_convert_type(VALUE val, int type, const char *tname, const char *method)
Identical to rb_convert_type(), except it returns RUBY_Qnil instead of raising exceptions,...
VALUE rb_any_to_s(VALUE obj)
Generates a textual representation of the given object.
VALUE rb_obj_alloc(VALUE klass)
Allocates an instance of the given class.
VALUE rb_class_new_instance(int argc, const VALUE *argv, VALUE klass)
Allocates, then initialises an instance of the given class.
VALUE rb_class_new_instance_kw(int argc, const VALUE *argv, VALUE klass, int kw_splat)
Identical to rb_class_new_instance(), except you can specify how to handle the last element of the gi...
VALUE rb_cRefinement
Refinement class.
VALUE rb_cInteger
Module class.
VALUE rb_class_new_instance_pass_kw(int argc, const VALUE *argv, VALUE klass)
Identical to rb_class_new_instance(), except it passes the passed keywords if any to the #initialize ...
VALUE rb_check_to_float(VALUE val)
This is complicated.
static VALUE rb_obj_init_clone(int argc, VALUE *argv, VALUE obj)
Default implementation of #initialize_clone.
VALUE rb_cNilClass
NilClass class.
VALUE rb_Hash(VALUE val)
Equivalent to Kernel#Hash in Ruby.
VALUE rb_obj_frozen_p(VALUE obj)
Just calls RB_OBJ_FROZEN() inside.
VALUE rb_obj_init_copy(VALUE obj, VALUE orig)
Default implementation of #initialize_copy.
int rb_eql(VALUE obj1, VALUE obj2)
Checks for equality of the passed objects, in terms of Object#eql?.
double rb_str_to_dbl(VALUE str, int badcheck)
Identical to rb_cstr_to_dbl(), except it accepts a Ruby's string instead of C's.
VALUE rb_Integer(VALUE val)
This is the logic behind Kernel#Integer.
VALUE rb_cFalseClass
FalseClass class.
VALUE rb_cNumeric
Numeric class.
VALUE rb_Array(VALUE val)
This is the logic behind Kernel#Array.
VALUE rb_obj_class(VALUE obj)
Queries the class of an object.
VALUE rb_obj_dup(VALUE obj)
Duplicates the given object.
VALUE rb_inspect(VALUE obj)
Generates a human-readable textual representation of the given object.
VALUE rb_cBasicObject
BasicObject class.
VALUE rb_cModule
Module class.
VALUE rb_class_inherited_p(VALUE mod, VALUE arg)
Determines if the given two modules are relatives.
VALUE rb_obj_is_instance_of(VALUE obj, VALUE c)
Queries if the given object is a direct instance of the given class.
VALUE rb_class_real(VALUE cl)
Finds a "real" class.
VALUE rb_obj_init_dup_clone(VALUE obj, VALUE orig)
Default implementation of #initialize_dup.
VALUE rb_to_float(VALUE val)
Identical to rb_check_to_float(), except it raises on error.
double rb_num2dbl(VALUE val)
Converts an instance of rb_cNumeric into C's double.
VALUE rb_equal(VALUE obj1, VALUE obj2)
This function is an optimised version of calling #==.
VALUE rb_obj_clone(VALUE obj)
Produces a shallow copy of the given object.
VALUE rb_obj_is_kind_of(VALUE obj, VALUE c)
Queries if the given object is an instance (of possibly descendants) of the given class.
double rb_cstr_to_dbl(const char *p, int badcheck)
Converts a textual representation of a real number into a numeric, which is the nearest value that th...
VALUE rb_check_to_integer(VALUE val, const char *method)
Identical to rb_check_convert_type(), except the return value type is fixed to rb_cInteger.
VALUE rb_String(VALUE val)
This is the logic behind Kernel#String.
VALUE rb_cTrueClass
TrueClass class.
VALUE rb_to_int(VALUE val)
Identical to rb_check_to_int(), except it raises in case of conversion mismatch.
VALUE rb_obj_setup(VALUE obj, VALUE klass, VALUE type)
Fills common fields in the object.
#define RB_OBJ_WRITTEN(old, oldv, young)
Identical to RB_OBJ_WRITE(), except it doesn't write any values, but only a WB declaration.
int rb_enc_str_asciionly_p(VALUE str)
Queries if the passed string is "ASCII only".
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.
VALUE rb_funcall(VALUE recv, ID mid, int n,...)
Calls a method.
VALUE rb_funcallv_kw(VALUE recv, ID mid, int argc, const VALUE *argv, int kw_splat)
Identical to rb_funcallv(), except you can specify how to handle the last element of the given array.
#define rb_check_frozen
Just another name of rb_check_frozen.
static int rb_check_arity(int argc, int min, int max)
Ensures that the passed integer is in the passed range.
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_local_id(ID id)
Classifies the given ID, then sees if it is a local variable.
VALUE rb_rational_num(VALUE rat)
Queries the numerator of the passed Rational.
VALUE rb_rational_den(VALUE rat)
Queries the denominator of the passed Rational.
VALUE rb_str_append(VALUE dst, VALUE src)
Identical to rb_str_buf_append(), except it converts the right hand side before concatenating.
void rb_must_asciicompat(VALUE obj)
Asserts that the given string's encoding is (Ruby's definition of) ASCII compatible.
VALUE rb_str_concat(VALUE dst, VALUE src)
Identical to rb_str_append(), except it also accepts an integer as a codepoint.
VALUE rb_check_string_type(VALUE obj)
Try converting an object to its stringised representation using its to_str method,...
VALUE rb_exec_recursive(VALUE(*f)(VALUE g, VALUE h, int r), VALUE g, VALUE h)
"Recursion" API entry point.
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_const_get(VALUE space, ID name)
Identical to rb_const_defined(), except it returns the actual defined value.
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.
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_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_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.
VALUE rb_obj_remove_instance_variable(VALUE obj, VALUE name)
Resembles Object#remove_instance_variable.
st_index_t rb_ivar_count(VALUE obj)
Number of instance variables defined on an object.
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.
int rb_const_defined_at(VALUE space, ID name)
Identical to rb_const_defined(), except it doesn't look for parent classes.
VALUE rb_mod_class_variables(int argc, const VALUE *argv, VALUE recv)
Resembles Module#class_variables.
VALUE rb_cvar_defined(VALUE klass, ID name)
Queries if the given class has the given class variable.
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.
VALUE(* rb_alloc_func_t)(VALUE klass)
This is the type of functions that ruby calls when trying to allocate an object.
void rb_undef_alloc_func(VALUE klass)
Deletes the allocator function of a class.
void rb_attr(VALUE klass, ID name, int need_reader, int need_writer, int honour_visibility)
This function resembles now-deprecated Module#attr.
VALUE rb_check_funcall(VALUE recv, ID mid, int argc, const VALUE *argv)
Identical to rb_funcallv(), except it returns RUBY_Qundef instead of raising rb_eNoMethodError.
rb_alloc_func_t rb_get_alloc_func(VALUE klass)
Queries the allocator function of a class.
VALUE rb_mod_module_exec(int argc, const VALUE *argv, VALUE mod)
Identical to rb_obj_instance_exec(), except it evaluates within the context of module.
void rb_define_alloc_func(VALUE klass, rb_alloc_func_t func)
Sets the allocator function of a class.
int rb_obj_respond_to(VALUE obj, ID mid, int private_p)
Identical to rb_respond_to(), except it additionally takes the visibility parameter.
static ID rb_intern_const(const char *str)
This is a "tiny optimisation" over rb_intern().
ID rb_check_id(volatile VALUE *namep)
Detects if the given name is already interned or not.
int len
Length of the buffer.
#define strtod(s, e)
Just another name of ruby_strtod.
VALUE rb_f_sprintf(int argc, const VALUE *argv)
Identical to rb_str_format(), except how the arguments are arranged.
#define MEMCPY(p1, p2, type, n)
Handy macro to call memcpy.
VALUE type(ANYARGS)
ANYARGS-ed function type.
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 RARRAY_LEN
Just another name of rb_array_len.
static VALUE RBASIC_CLASS(VALUE obj)
Queries the class of an object.
#define RBASIC(obj)
Convenient casting macro.
#define RCLASS_SUPER
Just another name of rb_class_get_superclass.
#define RCLASS(obj)
Convenient casting macro.
static VALUE * ROBJECT_IVPTR(VALUE obj)
Queries the instance variables.
#define StringValue(v)
Ensures that the parameter object is a String.
#define StringValuePtr(v)
Identical to StringValue, except it returns a char*.
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 errno
Ractor-aware version of errno.
#define InitVM(ext)
This macro is for internal use.
#define RB_PASS_KEYWORDS
Pass keywords, final argument should be a hash of keywords.
#define RB_PASS_CALLED_KEYWORDS
Pass keywords if current method is called with keywords, useful for argument delegation.
#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 ID
Type that represents a Ruby identifier such as a variable name.
uintptr_t VALUE
Type that represents a Ruby object.
static bool RB_FLOAT_TYPE_P(VALUE obj)
Queries if the object is an instance of rb_cFloat.
static void Check_Type(VALUE v, enum ruby_value_type t)
Identical to RB_TYPE_P(), except it raises exceptions on predication failure.