forked from ruby/ruby
/
internal.h
1325 lines (1145 loc) · 39.1 KB
/
internal.h
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/**********************************************************************
internal.h -
$Author$
created at: Tue May 17 11:42:20 JST 2011
Copyright (C) 2011 Yukihiro Matsumoto
**********************************************************************/
#ifndef RUBY_INTERNAL_H
#define RUBY_INTERNAL_H 1
#include "ruby.h"
#include "ruby/encoding.h"
#include "ruby/io.h"
#if defined(__cplusplus)
extern "C" {
#if 0
} /* satisfy cc-mode */
#endif
#endif
/* likely */
#if __GNUC__ >= 3
#define LIKELY(x) (__builtin_expect(!!(x), 1))
#define UNLIKELY(x) (__builtin_expect(!!(x), 0))
#else /* __GNUC__ >= 3 */
#define LIKELY(x) (x)
#define UNLIKELY(x) (x)
#endif /* __GNUC__ >= 3 */
#ifndef __has_attribute
# define __has_attribute(x) 0
#endif
#if __has_attribute(unused)
#define UNINITIALIZED_VAR(x) x __attribute__((unused))
#elif defined(__GNUC__) && __GNUC__ >= 3
#define UNINITIALIZED_VAR(x) x = x
#else
#define UNINITIALIZED_VAR(x) x
#endif
#if __has_attribute(warn_unused_result)
#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result))
#elif defined(__GNUC__) && (__GNUC__ * 1000 + __GNUC_MINOR__) >= 3004
#define WARN_UNUSED_RESULT(x) x __attribute__((warn_unused_result))
#else
#define WARN_UNUSED_RESULT(x) x
#endif
#ifdef HAVE_VALGRIND_MEMCHECK_H
# include <valgrind/memcheck.h>
# ifndef VALGRIND_MAKE_MEM_DEFINED
# define VALGRIND_MAKE_MEM_DEFINED(p, n) VALGRIND_MAKE_READABLE((p), (n))
# endif
# ifndef VALGRIND_MAKE_MEM_UNDEFINED
# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) VALGRIND_MAKE_WRITABLE((p), (n))
# endif
#else
# define VALGRIND_MAKE_MEM_DEFINED(p, n) 0
# define VALGRIND_MAKE_MEM_UNDEFINED(p, n) 0
#endif
#define numberof(array) ((int)(sizeof(array) / sizeof((array)[0])))
#define GCC_VERSION_SINCE(major, minor, patchlevel) \
(defined(__GNUC__) && !defined(__INTEL_COMPILER) && \
((__GNUC__ > (major)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ > (minor)) || \
(__GNUC__ == (major) && __GNUC_MINOR__ == (minor) && __GNUC_PATCHLEVEL__ >= (patchlevel))))
#ifndef __has_feature
# define __has_feature(x) 0
#endif
#ifndef __has_extension
# define __has_extension __has_feature
#endif
#if GCC_VERSION_SINCE(4, 6, 0) || __has_extension(c_static_assert)
# define STATIC_ASSERT(name, expr) _Static_assert(expr, #name ": " #expr)
#else
# define STATIC_ASSERT(name, expr) typedef int static_assert_##name##_check[1 - 2*!(expr)]
#endif
#define SIGNED_INTEGER_TYPE_P(int_type) (0 > ((int_type)0)-1)
#define SIGNED_INTEGER_MAX(sint_type) \
(sint_type) \
((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) | \
((((sint_type)1) << (sizeof(sint_type) * CHAR_BIT - 2)) - 1))
#define SIGNED_INTEGER_MIN(sint_type) (-SIGNED_INTEGER_MAX(sint_type)-1)
#define UNSIGNED_INTEGER_MAX(uint_type) (~(uint_type)0)
#if SIGNEDNESS_OF_TIME_T < 0 /* signed */
# define TIMET_MAX SIGNED_INTEGER_MAX(time_t)
# define TIMET_MIN SIGNED_INTEGER_MIN(time_t)
#elif SIGNEDNESS_OF_TIME_T > 0 /* unsigned */
# define TIMET_MAX UNSIGNED_INTEGER_MAX(time_t)
# define TIMET_MIN ((time_t)0)
#endif
#define TIMET_MAX_PLUS_ONE (2*(double)(TIMET_MAX/2+1))
#define MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, min, max) ( \
(a) == 0 ? 0 : \
(a) == -1 ? (b) < -(max) : \
(a) > 0 ? \
((b) > 0 ? (max) / (a) < (b) : (min) / (a) > (b)) : \
((b) > 0 ? (min) / (a) < (b) : (max) / (a) > (b)))
#define MUL_OVERFLOW_FIXNUM_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, FIXNUM_MIN, FIXNUM_MAX)
#define MUL_OVERFLOW_LONG_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, LONG_MIN, LONG_MAX)
#define MUL_OVERFLOW_INT_P(a, b) MUL_OVERFLOW_SIGNED_INTEGER_P(a, b, INT_MIN, INT_MAX)
#ifndef swap16
# ifdef HAVE_BUILTIN___BUILTIN_BSWAP16
# define swap16(x) __builtin_bswap16(x)
# endif
#endif
#ifndef swap16
# define swap16(x) ((uint16_t)((((x)&0xFF)<<8) | (((x)>>8)&0xFF)))
#endif
#ifndef swap32
# ifdef HAVE_BUILTIN___BUILTIN_BSWAP32
# define swap32(x) __builtin_bswap32(x)
# endif
#endif
#ifndef swap32
# define swap32(x) ((uint32_t)((((x)&0xFF)<<24) \
|(((x)>>24)&0xFF) \
|(((x)&0x0000FF00)<<8) \
|(((x)&0x00FF0000)>>8) ))
#endif
#ifndef swap64
# ifdef HAVE_BUILTIN___BUILTIN_BSWAP64
# define swap64(x) __builtin_bswap64(x)
# endif
#endif
#ifndef swap64
# ifdef HAVE_INT64_T
# define byte_in_64bit(n) ((uint64_t)0xff << (n))
# define swap64(x) ((uint64_t)((((x)&byte_in_64bit(0))<<56) \
|(((x)>>56)&0xFF) \
|(((x)&byte_in_64bit(8))<<40) \
|(((x)&byte_in_64bit(48))>>40) \
|(((x)&byte_in_64bit(16))<<24) \
|(((x)&byte_in_64bit(40))>>24) \
|(((x)&byte_in_64bit(24))<<8) \
|(((x)&byte_in_64bit(32))>>8)))
# endif
#endif
static inline int
nlz_int(unsigned int x)
{
#if defined(HAVE_BUILTIN___BUILTIN_CLZ)
if (x == 0) return SIZEOF_INT * CHAR_BIT;
return __builtin_clz(x);
#else
unsigned int y;
# if 64 < SIZEOF_INT * CHAR_BIT
int n = 128;
# elif 32 < SIZEOF_INT * CHAR_BIT
int n = 64;
# else
int n = 32;
# endif
# if 64 < SIZEOF_INT * CHAR_BIT
y = x >> 64; if (y) {n -= 64; x = y;}
# endif
# if 32 < SIZEOF_INT * CHAR_BIT
y = x >> 32; if (y) {n -= 32; x = y;}
# endif
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
#endif
}
static inline int
nlz_long(unsigned long x)
{
#if defined(HAVE_BUILTIN___BUILTIN_CLZL)
if (x == 0) return SIZEOF_LONG * CHAR_BIT;
return __builtin_clzl(x);
#else
unsigned long y;
# if 64 < SIZEOF_LONG * CHAR_BIT
int n = 128;
# elif 32 < SIZEOF_LONG * CHAR_BIT
int n = 64;
# else
int n = 32;
# endif
# if 64 < SIZEOF_LONG * CHAR_BIT
y = x >> 64; if (y) {n -= 64; x = y;}
# endif
# if 32 < SIZEOF_LONG * CHAR_BIT
y = x >> 32; if (y) {n -= 32; x = y;}
# endif
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
#endif
}
#ifdef HAVE_LONG_LONG
static inline int
nlz_long_long(unsigned LONG_LONG x)
{
#if defined(HAVE_BUILTIN___BUILTIN_CLZLL)
if (x == 0) return SIZEOF_LONG_LONG * CHAR_BIT;
return __builtin_clzll(x);
#else
unsigned LONG_LONG y;
# if 64 < SIZEOF_LONG_LONG * CHAR_BIT
int n = 128;
# elif 32 < SIZEOF_LONG_LONG * CHAR_BIT
int n = 64;
# else
int n = 32;
# endif
# if 64 < SIZEOF_LONG_LONG * CHAR_BIT
y = x >> 64; if (y) {n -= 64; x = y;}
# endif
# if 32 < SIZEOF_LONG_LONG * CHAR_BIT
y = x >> 32; if (y) {n -= 32; x = y;}
# endif
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
#endif
}
#endif
#ifdef HAVE_UINT128_T
static inline int
nlz_int128(uint128_t x)
{
uint128_t y;
int n = 128;
y = x >> 64; if (y) {n -= 64; x = y;}
y = x >> 32; if (y) {n -= 32; x = y;}
y = x >> 16; if (y) {n -= 16; x = y;}
y = x >> 8; if (y) {n -= 8; x = y;}
y = x >> 4; if (y) {n -= 4; x = y;}
y = x >> 2; if (y) {n -= 2; x = y;}
y = x >> 1; if (y) {return n - 2;}
return (int)(n - x);
}
#endif
#if defined(HAVE_UINT128_T)
# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)) : \
sizeof(x) <= SIZEOF_LONG_LONG ? SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long((unsigned LONG_LONG)(x)) : \
SIZEOF_INT128_T * CHAR_BIT - nlz_int128((uint128_t)(x)))
#elif defined(HAVE_LONG_LONG)
# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
sizeof(x) <= SIZEOF_LONG ? SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)) : \
SIZEOF_LONG_LONG * CHAR_BIT - nlz_long_long((unsigned LONG_LONG)(x)))
#else
# define bit_length(x) \
(sizeof(x) <= SIZEOF_INT ? SIZEOF_INT * CHAR_BIT - nlz_int((unsigned int)(x)) : \
SIZEOF_LONG * CHAR_BIT - nlz_long((unsigned long)(x)))
#endif
#ifndef BDIGIT
# if SIZEOF_INT*2 <= SIZEOF_LONG_LONG
# define BDIGIT unsigned int
# define SIZEOF_BDIGIT SIZEOF_INT
# define BDIGIT_DBL unsigned LONG_LONG
# define BDIGIT_DBL_SIGNED LONG_LONG
# define PRI_BDIGIT_PREFIX ""
# define PRI_BDIGIT_DBL_PREFIX PRI_LL_PREFIX
# elif SIZEOF_INT*2 <= SIZEOF_LONG
# define BDIGIT unsigned int
# define SIZEOF_BDIGIT SIZEOF_INT
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
# define PRI_BDIGIT_PREFIX ""
# define PRI_BDIGIT_DBL_PREFIX "l"
# elif SIZEOF_SHORT*2 <= SIZEOF_LONG
# define BDIGIT unsigned short
# define SIZEOF_BDIGIT SIZEOF_SHORT
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
# define PRI_BDIGIT_PREFIX "h"
# define PRI_BDIGIT_DBL_PREFIX "l"
# else
# define BDIGIT unsigned short
# define SIZEOF_BDIGIT (SIZEOF_LONG/2)
# define SIZEOF_ACTUAL_BDIGIT SIZEOF_LONG
# define BDIGIT_DBL unsigned long
# define BDIGIT_DBL_SIGNED long
# define PRI_BDIGIT_PREFIX "h"
# define PRI_BDIGIT_DBL_PREFIX "l"
# endif
#endif
#ifndef SIZEOF_ACTUAL_BDIGIT
# define SIZEOF_ACTUAL_BDIGIT SIZEOF_BDIGIT
#endif
#ifdef PRI_BDIGIT_PREFIX
# define PRIdBDIGIT PRI_BDIGIT_PREFIX"d"
# define PRIiBDIGIT PRI_BDIGIT_PREFIX"i"
# define PRIoBDIGIT PRI_BDIGIT_PREFIX"o"
# define PRIuBDIGIT PRI_BDIGIT_PREFIX"u"
# define PRIxBDIGIT PRI_BDIGIT_PREFIX"x"
# define PRIXBDIGIT PRI_BDIGIT_PREFIX"X"
#endif
#ifdef PRI_BDIGIT_DBL_PREFIX
# define PRIdBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"d"
# define PRIiBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"i"
# define PRIoBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"o"
# define PRIuBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"u"
# define PRIxBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"x"
# define PRIXBDIGIT_DBL PRI_BDIGIT_DBL_PREFIX"X"
#endif
#define BIGNUM_EMBED_LEN_NUMBITS 3
#ifndef BIGNUM_EMBED_LEN_MAX
# if (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT) < (1 << BIGNUM_EMBED_LEN_NUMBITS)-1
# define BIGNUM_EMBED_LEN_MAX (SIZEOF_VALUE*3/SIZEOF_ACTUAL_BDIGIT)
# else
# define BIGNUM_EMBED_LEN_MAX ((1 << BIGNUM_EMBED_LEN_NUMBITS)-1)
# endif
#endif
struct RBignum {
struct RBasic basic;
union {
struct {
size_t len;
BDIGIT *digits;
} heap;
BDIGIT ary[BIGNUM_EMBED_LEN_MAX];
} as;
};
#define BIGNUM_SIGN_BIT FL_USER1
/* sign: positive:1, negative:0 */
#define BIGNUM_SIGN(b) ((RBASIC(b)->flags & BIGNUM_SIGN_BIT) != 0)
#define BIGNUM_SET_SIGN(b,sign) \
((sign) ? (RBASIC(b)->flags |= BIGNUM_SIGN_BIT) \
: (RBASIC(b)->flags &= ~BIGNUM_SIGN_BIT))
#define BIGNUM_POSITIVE_P(b) BIGNUM_SIGN(b)
#define BIGNUM_NEGATIVE_P(b) (!BIGNUM_SIGN(b))
#define BIGNUM_EMBED_FLAG FL_USER2
#define BIGNUM_EMBED_LEN_MASK (FL_USER5|FL_USER4|FL_USER3)
#define BIGNUM_EMBED_LEN_SHIFT (FL_USHIFT+BIGNUM_EMBED_LEN_NUMBITS)
#define BIGNUM_LEN(b) \
((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \
(long)((RBASIC(b)->flags >> BIGNUM_EMBED_LEN_SHIFT) & \
(BIGNUM_EMBED_LEN_MASK >> BIGNUM_EMBED_LEN_SHIFT)) : \
RBIGNUM(b)->as.heap.len)
/* LSB:BIGNUM_DIGITS(b)[0], MSB:BIGNUM_DIGITS(b)[BIGNUM_LEN(b)-1] */
#define BIGNUM_DIGITS(b) \
((RBASIC(b)->flags & BIGNUM_EMBED_FLAG) ? \
RBIGNUM(b)->as.ary : \
RBIGNUM(b)->as.heap.digits)
#define BIGNUM_LENINT(b) rb_long2int(BIGNUM_LEN(b))
#define RBIGNUM(obj) (R_CAST(RBignum)(obj))
struct RRational {
struct RBasic basic;
const VALUE num;
const VALUE den;
};
#define RRATIONAL(obj) (R_CAST(RRational)(obj))
struct RFloat {
struct RBasic basic;
double float_value;
};
#define RFLOAT(obj) (R_CAST(RFloat)(obj))
struct RComplex {
struct RBasic basic;
const VALUE real;
const VALUE imag;
};
#define RCOMPLEX(obj) (R_CAST(RComplex)(obj))
#ifdef RCOMPLEX_SET_REAL /* shortcut macro for internal only */
#undef RCOMPLEX_SET_REAL
#undef RCOMPLEX_SET_REAL
#define RCOMPLEX_SET_REAL(cmp, r) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->real,(r))
#define RCOMPLEX_SET_IMAG(cmp, i) RB_OBJ_WRITE((cmp), &((struct RComplex *)(cmp))->imag,(i))
#endif
struct RHash {
struct RBasic basic;
struct st_table *ntbl; /* possibly 0 */
int iter_lev;
const VALUE ifnone;
};
#define RHASH(obj) (R_CAST(RHash)(obj))
#ifdef RHASH_ITER_LEV
#undef RHASH_ITER_LEV
#undef RHASH_IFNONE
#undef RHASH_SIZE
#define RHASH_ITER_LEV(h) (RHASH(h)->iter_lev)
#define RHASH_IFNONE(h) (RHASH(h)->ifnone)
#define RHASH_SIZE(h) (RHASH(h)->ntbl ? (st_index_t)RHASH(h)->ntbl->num_entries : 0)
#endif
/* missing/setproctitle.c */
#ifndef HAVE_SETPROCTITLE
extern void ruby_init_setproctitle(int argc, char *argv[]);
#endif
/* class.c */
struct rb_deprecated_classext_struct {
char conflict[sizeof(VALUE) * 3];
};
struct rb_subclass_entry;
typedef struct rb_subclass_entry rb_subclass_entry_t;
struct rb_subclass_entry {
VALUE klass;
rb_subclass_entry_t *next;
};
#if defined(HAVE_LONG_LONG)
typedef unsigned LONG_LONG rb_serial_t;
#define SERIALT2NUM ULL2NUM
#elif defined(HAVE_UINT64_T)
typedef uint64_t rb_serial_t;
#define SERIALT2NUM SIZET2NUM
#else
typedef unsigned long rb_serial_t;
#define SERIALT2NUM ULONG2NUM
#endif
struct rb_classext_struct {
struct st_table *iv_index_tbl;
struct st_table *iv_tbl;
struct st_table *const_tbl;
struct rb_id_table *callable_m_tbl;
rb_subclass_entry_t *subclasses;
rb_subclass_entry_t **parent_subclasses;
/**
* In the case that this is an `ICLASS`, `module_subclasses` points to the link
* in the module's `subclasses` list that indicates that the klass has been
* included. Hopefully that makes sense.
*/
rb_subclass_entry_t **module_subclasses;
rb_serial_t class_serial;
const VALUE origin_;
VALUE refined_class;
rb_alloc_func_t allocator;
};
typedef struct rb_classext_struct rb_classext_t;
#undef RClass
struct RClass {
struct RBasic basic;
VALUE super;
rb_classext_t *ptr;
struct rb_id_table *m_tbl;
};
void rb_class_subclass_add(VALUE super, VALUE klass);
void rb_class_remove_from_super_subclasses(VALUE);
#define RCLASS_EXT(c) (RCLASS(c)->ptr)
#define RCLASS_IV_TBL(c) (RCLASS_EXT(c)->iv_tbl)
#define RCLASS_CONST_TBL(c) (RCLASS_EXT(c)->const_tbl)
#define RCLASS_M_TBL(c) (RCLASS(c)->m_tbl)
#define RCLASS_CALLABLE_M_TBL(c) (RCLASS_EXT(c)->callable_m_tbl)
#define RCLASS_IV_INDEX_TBL(c) (RCLASS_EXT(c)->iv_index_tbl)
#define RCLASS_ORIGIN(c) (RCLASS_EXT(c)->origin_)
#define RCLASS_REFINED_CLASS(c) (RCLASS_EXT(c)->refined_class)
#define RCLASS_SERIAL(c) (RCLASS_EXT(c)->class_serial)
#define RICLASS_IS_ORIGIN FL_USER5
static inline void
RCLASS_SET_ORIGIN(VALUE klass, VALUE origin)
{
RB_OBJ_WRITE(klass, &RCLASS_ORIGIN(klass), origin);
if (klass != origin) FL_SET(origin, RICLASS_IS_ORIGIN);
}
#undef RCLASS_SUPER
static inline VALUE
RCLASS_SUPER(VALUE klass)
{
return RCLASS(klass)->super;
}
static inline VALUE
RCLASS_SET_SUPER(VALUE klass, VALUE super)
{
if (super) {
rb_class_remove_from_super_subclasses(klass);
rb_class_subclass_add(super, klass);
}
RB_OBJ_WRITE(klass, &RCLASS(klass)->super, super);
return super;
}
/* IMEMO: Internal memo object */
#ifndef IMEMO_DEBUG
#define IMEMO_DEBUG 0
#endif
struct RIMemo {
VALUE flags;
VALUE v0;
VALUE v1;
VALUE v2;
VALUE v3;
};
enum imemo_type {
imemo_none = 0,
imemo_cref = 1,
imemo_svar = 2,
imemo_throw_data = 3,
imemo_ifunc = 4,
imemo_memo = 5,
imemo_ment = 6,
imemo_iseq = 7,
imemo_mask = 0x07
};
static inline enum imemo_type
imemo_type(VALUE imemo)
{
return (RBASIC(imemo)->flags >> FL_USHIFT) & imemo_mask;
}
/* FL_USER0 to FL_USER2 is for type */
#define IMEMO_FL_USHIFT (FL_USHIFT + 3)
#define IMEMO_FL_USER0 FL_USER3
#define IMEMO_FL_USER1 FL_USER4
#define IMEMO_FL_USER2 FL_USER5
#define IMEMO_FL_USER3 FL_USER6
#define IMEMO_FL_USER4 FL_USER7
/* CREF in method.h */
/* SVAR */
struct vm_svar {
VALUE flags;
const VALUE cref_or_me;
const VALUE lastline;
const VALUE backref;
const VALUE others;
};
/* THROW_DATA */
struct vm_throw_data {
VALUE flags;
VALUE reserved;
const VALUE throw_obj;
const struct rb_control_frame_struct *catch_frame;
VALUE throw_state;
};
#define THROW_DATA_P(err) RB_TYPE_P((err), T_IMEMO)
/* IFUNC */
struct vm_ifunc {
VALUE flags;
VALUE reserved;
VALUE (*func)(ANYARGS);
const void *data;
ID id;
};
#define IFUNC_NEW(a, b, c) ((struct vm_ifunc *)rb_imemo_new(imemo_ifunc, (VALUE)(a), (VALUE)(b), (VALUE)(c), 0))
/* MEMO */
struct MEMO {
VALUE flags;
VALUE reserved;
const VALUE v1;
const VALUE v2;
union {
long cnt;
long state;
const VALUE value;
VALUE (*func)(ANYARGS);
} u3;
};
#define MEMO_V1_SET(m, v) RB_OBJ_WRITE((memo), &(memo)->v1, (v))
#define MEMO_V2_SET(m, v) RB_OBJ_WRITE((memo), &(memo)->v2, (v))
#define MEMO_CAST(m) ((struct MEMO *)m)
#define MEMO_NEW(a, b, c) ((struct MEMO *)rb_imemo_new(imemo_memo, (VALUE)(a), (VALUE)(b), (VALUE)(c), 0))
#define roomof(x, y) (((x) + (y) - 1) / (y))
#define type_roomof(x, y) roomof(sizeof(x), sizeof(y))
#define MEMO_FOR(type, value) ((type *)RARRAY_PTR(value))
#define NEW_MEMO_FOR(type, value) \
((value) = rb_ary_tmp_new_fill(type_roomof(type, VALUE)), MEMO_FOR(type, value))
/* ment is in method.h */
/* global variable */
struct rb_global_entry {
struct rb_global_variable *var;
ID id;
};
struct rb_global_entry *rb_global_entry(ID);
VALUE rb_gvar_get(struct rb_global_entry *);
VALUE rb_gvar_set(struct rb_global_entry *, VALUE);
VALUE rb_gvar_defined(struct rb_global_entry *);
struct vtm; /* defined by timev.h */
/* array.c */
VALUE rb_ary_last(int, const VALUE *, VALUE);
void rb_ary_set_len(VALUE, long);
void rb_ary_delete_same(VALUE, VALUE);
VALUE rb_ary_tmp_new_fill(long capa);
size_t rb_ary_memsize(VALUE);
#ifdef __GNUC__
#define rb_ary_new_from_args(n, ...) \
__extension__ ({ \
const VALUE args_to_new_ary[] = {__VA_ARGS__}; \
if (__builtin_constant_p(n)) { \
STATIC_ASSERT(rb_ary_new_from_args, numberof(args_to_new_ary) == (n)); \
} \
rb_ary_new_from_values(numberof(args_to_new_ary), args_to_new_ary); \
})
#endif
/* bignum.c */
extern const char ruby_digitmap[];
VALUE rb_big_fdiv(VALUE x, VALUE y);
VALUE rb_big_uminus(VALUE x);
VALUE rb_integer_float_cmp(VALUE x, VALUE y);
VALUE rb_integer_float_eq(VALUE x, VALUE y);
/* class.c */
void rb_class_foreach_subclass(VALUE klass, void (*f)(VALUE, VALUE), VALUE);
void rb_class_detach_subclasses(VALUE);
void rb_class_detach_module_subclasses(VALUE);
void rb_class_remove_from_module_subclasses(VALUE);
VALUE rb_obj_methods(int argc, const VALUE *argv, VALUE obj);
VALUE rb_obj_protected_methods(int argc, const VALUE *argv, VALUE obj);
VALUE rb_obj_private_methods(int argc, const VALUE *argv, VALUE obj);
VALUE rb_obj_public_methods(int argc, const VALUE *argv, VALUE obj);
int rb_obj_basic_to_s_p(VALUE);
VALUE rb_special_singleton_class(VALUE);
VALUE rb_singleton_class_clone_and_attach(VALUE obj, VALUE attach);
VALUE rb_singleton_class_get(VALUE obj);
void Init_class_hierarchy(void);
int rb_class_has_methods(VALUE c);
/* compar.c */
VALUE rb_invcmp(VALUE, VALUE);
/* compile.c */
int rb_dvar_defined(ID);
int rb_local_defined(ID);
int rb_parse_in_eval(void);
int rb_parse_in_main(void);
const char * rb_insns_name(int i);
VALUE rb_insns_name_array(void);
/* cont.c */
VALUE rb_obj_is_fiber(VALUE);
void rb_fiber_reset_root_local_storage(VALUE);
void ruby_register_rollback_func_for_ensure(VALUE (*ensure_func)(ANYARGS), VALUE (*rollback_func)(ANYARGS));
/* debug.c */
PRINTF_ARGS(void ruby_debug_printf(const char*, ...), 1, 2);
/* dmyext.c */
void Init_enc(void);
void Init_ext(void);
/* encoding.c */
ID rb_id_encoding(void);
void rb_gc_mark_encodings(void);
rb_encoding *rb_enc_get_from_index(int index);
int rb_encdb_replicate(const char *alias, const char *orig);
int rb_encdb_alias(const char *alias, const char *orig);
int rb_encdb_dummy(const char *name);
void rb_encdb_declare(const char *name);
void rb_enc_set_base(const char *name, const char *orig);
int rb_enc_set_dummy(int index);
void rb_encdb_set_unicode(int index);
/* enum.c */
VALUE rb_f_send(int argc, VALUE *argv, VALUE recv);
/* error.c */
extern VALUE rb_eEAGAIN;
extern VALUE rb_eEWOULDBLOCK;
extern VALUE rb_eEINPROGRESS;
NORETURN(PRINTF_ARGS(void rb_compile_bug(const char*, int, const char*, ...), 3, 4));
VALUE rb_check_backtrace(VALUE);
NORETURN(void rb_async_bug_errno(const char *,int));
const char *rb_builtin_type_name(int t);
const char *rb_builtin_class_name(VALUE x);
PRINTF_ARGS(void rb_enc_warn(rb_encoding *enc, const char *fmt, ...), 2, 3);
PRINTF_ARGS(void rb_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
PRINTF_ARGS(void rb_sys_enc_warning(rb_encoding *enc, const char *fmt, ...), 2, 3);
/* eval.c */
VALUE rb_refinement_module_get_refined_class(VALUE module);
/* eval_error.c */
void ruby_error_print(void);
VALUE rb_get_backtrace(VALUE info);
/* eval_jump.c */
void rb_call_end_proc(VALUE data);
void rb_mark_end_proc(void);
/* file.c */
VALUE rb_home_dir_of(VALUE user, VALUE result);
VALUE rb_default_home_dir(VALUE result);
VALUE rb_realpath_internal(VALUE basedir, VALUE path, int strict);
void rb_file_const(const char*, VALUE);
int rb_file_load_ok(const char *);
VALUE rb_file_expand_path_fast(VALUE, VALUE);
VALUE rb_file_expand_path_internal(VALUE, VALUE, int, int, VALUE);
VALUE rb_get_path_check_to_string(VALUE, int);
VALUE rb_get_path_check_convert(VALUE, VALUE, int);
void Init_File(void);
#ifdef RUBY_FUNCTION_NAME_STRING
# if defined __GNUC__ && __GNUC__ >= 4
# pragma GCC visibility push(default)
# endif
NORETURN(void rb_sys_fail_path_in(const char *func_name, VALUE path));
NORETURN(void rb_syserr_fail_path_in(const char *func_name, int err, VALUE path));
# if defined __GNUC__ && __GNUC__ >= 4
# pragma GCC visibility pop
# endif
# define rb_sys_fail_path(path) rb_sys_fail_path_in(RUBY_FUNCTION_NAME_STRING, path)
# define rb_syserr_fail_path(err, path) rb_syserr_fail_path_in(RUBY_FUNCTION_NAME_STRING, (err), (path))
#else
# define rb_sys_fail_path(path) rb_sys_fail_str(path)
# define rb_syserr_fail_path(err, path) rb_syserr_fail_str((err), (path))
#endif
/* gc.c */
extern VALUE *ruby_initial_gc_stress_ptr;
extern int ruby_disable_gc;
void Init_heap(void);
void *ruby_mimmalloc(size_t size);
void ruby_mimfree(void *ptr);
void rb_objspace_set_event_hook(const rb_event_flag_t event);
#if USE_RGENGC
void rb_gc_writebarrier_remember(VALUE obj);
#else
#define rb_gc_writebarrier_remember(obj) 0
#endif
void ruby_gc_set_params(int safe_level);
void rb_copy_wb_protected_attribute(VALUE dest, VALUE obj);
#if defined(HAVE_MALLOC_USABLE_SIZE) || defined(HAVE_MALLOC_SIZE) || defined(_WIN32)
#define ruby_sized_xrealloc(ptr, new_size, old_size) ruby_xrealloc(ptr, new_size)
#define ruby_sized_xrealloc2(ptr, new_count, element_size, old_count) ruby_xrealloc(ptr, new_count, element_size)
#define ruby_sized_xfree(ptr, size) ruby_xfree(ptr)
#define SIZED_REALLOC_N(var,type,n,old_n) REALLOC_N(var, type, n)
#else
void *ruby_sized_xrealloc(void *ptr, size_t new_size, size_t old_size) RUBY_ATTR_ALLOC_SIZE((2));
void *ruby_sized_xrealloc2(void *ptr, size_t new_count, size_t element_size, size_t old_count) RUBY_ATTR_ALLOC_SIZE((2, 3));
void ruby_sized_xfree(void *x, size_t size);
#define SIZED_REALLOC_N(var,type,n,old_n) ((var)=(type*)ruby_sized_xrealloc((char*)(var), (n) * sizeof(type), (old_n) * sizeof(type)))
#endif
void rb_gc_resurrect(VALUE ptr);
/* hash.c */
struct st_table *rb_hash_tbl_raw(VALUE hash);
VALUE rb_hash_has_key(VALUE hash, VALUE key);
VALUE rb_hash_set_default_proc(VALUE hash, VALUE proc);
long rb_objid_hash(st_index_t index);
st_table *rb_init_identtable(void);
st_table *rb_init_identtable_with_size(st_index_t size);
#define RHASH_TBL_RAW(h) rb_hash_tbl_raw(h)
VALUE rb_hash_keys(VALUE hash);
VALUE rb_hash_values(VALUE hash);
#define HASH_DELETED FL_USER1
#define HASH_PROC_DEFAULT FL_USER2
/* inits.c */
void rb_call_inits(void);
/* io.c */
const char *ruby_get_inplace_mode(void);
void ruby_set_inplace_mode(const char *);
ssize_t rb_io_bufread(VALUE io, void *buf, size_t size);
void rb_stdio_set_default_encoding(void);
void rb_write_error_str(VALUE mesg);
VALUE rb_io_flush_raw(VALUE, int);
size_t rb_io_memsize(const rb_io_t *);
/* load.c */
VALUE rb_get_load_path(void);
VALUE rb_get_expanded_load_path(void);
int rb_require_internal(VALUE fname, int safe);
NORETURN(void rb_load_fail(VALUE, const char*));
/* loadpath.c */
extern const char ruby_exec_prefix[];
extern const char ruby_initial_load_paths[];
/* localeinit.c */
int Init_enc_set_filesystem_encoding(void);
/* math.c */
VALUE rb_math_atan2(VALUE, VALUE);
VALUE rb_math_cos(VALUE);
VALUE rb_math_cosh(VALUE);
VALUE rb_math_exp(VALUE);
VALUE rb_math_hypot(VALUE, VALUE);
VALUE rb_math_log(int argc, const VALUE *argv);
VALUE rb_math_sin(VALUE);
VALUE rb_math_sinh(VALUE);
#if 0
VALUE rb_math_sqrt(VALUE);
#endif
/* newline.c */
void Init_newline(void);
/* numeric.c */
int rb_num_to_uint(VALUE val, unsigned int *ret);
VALUE ruby_num_interval_step_size(VALUE from, VALUE to, VALUE step, int excl);
int ruby_float_step(VALUE from, VALUE to, VALUE step, int excl);
double ruby_float_mod(double x, double y);
int rb_num_negative_p(VALUE);
VALUE rb_int_succ(VALUE num);
VALUE rb_int_pred(VALUE num);
VALUE rb_dbl_hash(double d);
#if USE_FLONUM
#define RUBY_BIT_ROTL(v, n) (((v) << (n)) | ((v) >> ((sizeof(v) * 8) - n)))
#define RUBY_BIT_ROTR(v, n) (((v) >> (n)) | ((v) << ((sizeof(v) * 8) - n)))
#endif
static inline double
rb_float_flonum_value(VALUE v)
{
#if USE_FLONUM
if (v != (VALUE)0x8000000000000002) { /* LIKELY */
union {
double d;
VALUE v;
} t;
VALUE b63 = (v >> 63);
/* e: xx1... -> 011... */
/* xx0... -> 100... */
/* ^b63 */
t.v = RUBY_BIT_ROTR((2 - b63) | (v & ~0x03), 3);
return t.d;
}
#endif
return 0.0;
}
static inline double
rb_float_noflonum_value(VALUE v)
{
return ((struct RFloat *)v)->float_value;
}
static inline double
rb_float_value_inline(VALUE v)
{
if (FLONUM_P(v)) {
return rb_float_flonum_value(v);
}
return rb_float_noflonum_value(v);
}
static inline VALUE
rb_float_new_inline(double d)
{
#if USE_FLONUM
union {
double d;
VALUE v;
} t;
int bits;
t.d = d;
bits = (int)((VALUE)(t.v >> 60) & 0x7);
/* bits contains 3 bits of b62..b60. */
/* bits - 3 = */
/* b011 -> b000 */
/* b100 -> b001 */
if (t.v != 0x3000000000000000 /* 1.72723e-77 */ &&
!((bits-3) & ~0x01)) {
return (RUBY_BIT_ROTL(t.v, 3) & ~(VALUE)0x01) | 0x02;
}
else if (t.v == (VALUE)0) {
/* +0.0 */
return 0x8000000000000002;
}
/* out of range */
#endif
return rb_float_new_in_heap(d);
}
#define rb_float_value(v) rb_float_value_inline(v)
#define rb_float_new(d) rb_float_new_inline(d)
/* object.c */
void rb_obj_copy_ivar(VALUE dest, VALUE obj);
VALUE rb_obj_equal(VALUE obj1, VALUE obj2);
VALUE rb_class_search_ancestor(VALUE klass, VALUE super);
double rb_num_to_dbl(VALUE val);
struct RBasicRaw {
VALUE flags;
VALUE klass;
};
#define RBASIC_CLEAR_CLASS(obj) (((struct RBasicRaw *)((VALUE)(obj)))->klass = 0)
#define RBASIC_SET_CLASS_RAW(obj, cls) (((struct RBasicRaw *)((VALUE)(obj)))->klass = (cls))
#define RBASIC_SET_CLASS(obj, cls) do { \
VALUE _obj_ = (obj); \
RB_OBJ_WRITE(_obj_, &((struct RBasicRaw *)(_obj_))->klass, cls); \
} while (0)
/* parse.y */
#ifndef USE_SYMBOL_GC
#define USE_SYMBOL_GC 1
#endif
VALUE rb_parser_get_yydebug(VALUE);
VALUE rb_parser_set_yydebug(VALUE, VALUE);
int rb_is_const_name(VALUE name);
int rb_is_class_name(VALUE name);
int rb_is_global_name(VALUE name);
int rb_is_instance_name(VALUE name);
int rb_is_attrset_name(VALUE name);
int rb_is_local_name(VALUE name);
int rb_is_method_name(VALUE name);
int rb_is_junk_name(VALUE name);
int rb_is_const_sym(VALUE sym);
int rb_is_class_sym(VALUE sym);
int rb_is_global_sym(VALUE sym);
int rb_is_instance_sym(VALUE sym);
int rb_is_attrset_sym(VALUE sym);
int rb_is_local_sym(VALUE sym);
int rb_is_method_sym(VALUE sym);
int rb_is_junk_sym(VALUE sym);
ID rb_make_internal_id(void);
void rb_gc_free_dsymbol(VALUE);
ID rb_id_attrget(ID id);
/* proc.c */
VALUE rb_proc_location(VALUE self);
st_index_t rb_hash_proc(st_index_t hash, VALUE proc);
int rb_block_arity(void);
VALUE rb_block_clear_env_self(VALUE proc);
/* process.c */