forked from ruby/ruby
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathinternal.h
1756 lines (1541 loc) · 52.9 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
#define LIKELY(x) RB_LIKELY(x)
#define UNLIKELY(x) RB_UNLIKELY(x)
#ifndef MAYBE_UNUSED
# define MAYBE_UNUSED(x) x
#endif
#ifndef WARN_UNUSED_RESULT
# 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])))
#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
static inline int
nlz_intptr(uintptr_t x) {
#if SIZEOF_VOIDP == 8
return nlz_long_long(x);
#elif SIZEOF_VOIDP == 4
return nlz_int(x);
#endif
}
static inline int
rb_popcount32(uint32_t x) {
#ifdef HAVE_BUILTIN___BUILTIN_POPCOUNT
return __builtin_popcount(x);
#else
x = (x & 0x55555555) + (x >> 1 & 0x55555555);
x = (x & 0x33333333) + (x >> 2 & 0x33333333);
x = (x & 0x0f0f0f0f) + (x >> 4 & 0x0f0f0f0f);
x = (x & 0x001f001f) + (x >> 8 & 0x001f001f);
return (x & 0x0000003f) + (x >>16 & 0x0000003f);
#endif
}
static inline int
rb_popcount64(uint64_t x) {
#ifdef HAVE_BUILTIN___BUILTIN_POPCOUNT
return __builtin_popcountll(x);
#else
x = (x & 0x5555555555555555) + (x >> 1 & 0x5555555555555555);
x = (x & 0x3333333333333333) + (x >> 2 & 0x3333333333333333);
x = (x & 0x0707070707070707) + (x >> 4 & 0x0707070707070707);
x = (x & 0x001f001f001f001f) + (x >> 8 & 0x001f001f001f001f);
x = (x & 0x0000003f0000003f) + (x >>16 & 0x0000003f0000003f);
return (x & 0x7f) + (x >>32 & 0x7f);
#endif
}
static inline int
rb_popcount_intptr(uintptr_t x) {
#if SIZEOF_VOIDP == 8
return rb_popcount64(x);
#elif SIZEOF_VOIDP == 4
return rb_popcount32(x);
#endif
}
static inline int
ntz_int32(uint32_t x) {
#ifdef HAVE_BUILTIN___BUILTIN_CTZ
return __builtin_ctz(x);
#else
return rb_popcount32((~x) & (x-1));
#endif
}
static inline int
ntz_int64(uint64_t x) {
#ifdef HAVE_BUILTIN___BUILTIN_CTZLL
return __builtin_ctzll(x);
#else
return rb_popcount64((~x) & (x-1));
#endif
}
static inline int
ntz_intptr(uintptr_t x) {
#if SIZEOF_VOIDP == 8
return ntz_int64(x);
#elif SIZEOF_VOIDP == 4
return ntz_int32(x);
#endif
}
#if HAVE_LONG_LONG && SIZEOF_LONG * 2 <= SIZEOF_LONG_LONG
# define DLONG LONG_LONG
# define DL2NUM(x) LL2NUM(x)
#elif defined(HAVE_INT128_T)
# define DLONG int128_t
# define DL2NUM(x) (RB_FIXABLE(x) ? LONG2FIX(x) : rb_int128t2big(x))
VALUE rb_int128t2big(int128_t n);
#endif
#define ST2FIX(h) LONG2FIX((long)(h))
/* arguments must be Fixnum */
static inline VALUE
rb_fix_mul_fix(VALUE x, VALUE y)
{
long lx = FIX2LONG(x);
long ly = FIX2LONG(y);
#ifdef DLONG
return DL2NUM((DLONG)lx * (DLONG)ly);
#else
if (MUL_OVERFLOW_FIXNUM_P(lx, ly)) {
return rb_big_mul(rb_int2big(lx), rb_int2big(ly));
}
else {
return LONG2FIX(lx * ly);
}
#endif
}
/*
* This behaves different from C99 for negative arguments.
* Note that div may overflow fixnum.
*/
static inline void
rb_fix_divmod_fix(VALUE a, VALUE b, VALUE *divp, VALUE *modp)
{
/* assume / and % comply C99.
* ldiv(3) won't be inlined by GCC and clang.
* I expect / and % are compiled as single idiv.
*/
long x = FIX2LONG(a);
long y = FIX2LONG(b);
long div, mod;
if (x == FIXNUM_MIN && y == -1) {
if (divp) *divp = LONG2NUM(-FIXNUM_MIN);
if (modp) *modp = LONG2FIX(0);
return;
}
div = x / y;
mod = x % y;
if (y > 0 ? mod < 0 : mod > 0) {
mod += y;
div -= 1;
}
if (divp) *divp = LONG2FIX(div);
if (modp) *modp = LONG2FIX(mod);
}
/* div() for Ruby
* This behaves different from C99 for negative arguments.
*/
static inline VALUE
rb_fix_div_fix(VALUE x, VALUE y)
{
VALUE div;
rb_fix_divmod_fix(x, y, &div, NULL);
return div;
}
/* mod() for Ruby
* This behaves different from C99 for negative arguments.
*/
static inline VALUE
rb_fix_mod_fix(VALUE x, VALUE y)
{
VALUE mod;
rb_fix_divmod_fix(x, y, NULL, &mod);
return mod;
}
#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_NEGATE(b) (RBASIC(b)->flags ^= BIGNUM_SIGN_BIT)
#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))
#define RRATIONAL_SET_NUM(rat, n) RB_OBJ_WRITE((rat), &((struct RRational *)(rat))->num,(n))
#define RRATIONAL_SET_DEN(rat, d) RB_OBJ_WRITE((rat), &((struct RRational *)(rat))->den,(d))
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_IMAG
#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
#define RSTRUCT_EMBED_LEN_MAX RSTRUCT_EMBED_LEN_MAX
#define RSTRUCT_EMBED_LEN_MASK RSTRUCT_EMBED_LEN_MASK
#define RSTRUCT_EMBED_LEN_SHIFT RSTRUCT_EMBED_LEN_SHIFT
enum {
RSTRUCT_EMBED_LEN_MAX = 3,
RSTRUCT_EMBED_LEN_MASK = (RUBY_FL_USER2|RUBY_FL_USER1),
RSTRUCT_EMBED_LEN_SHIFT = (RUBY_FL_USHIFT+1),
RSTRUCT_ENUM_END
};
struct RStruct {
struct RBasic basic;
union {
struct {
long len;
const VALUE *ptr;
} heap;
const VALUE ary[RSTRUCT_EMBED_LEN_MAX];
} as;
};
#undef RSTRUCT_LEN
#undef RSTRUCT_PTR
#undef RSTRUCT_SET
#undef RSTRUCT_GET
#define RSTRUCT_EMBED_LEN(st) \
(long)((RBASIC(st)->flags >> RSTRUCT_EMBED_LEN_SHIFT) & \
(RSTRUCT_EMBED_LEN_MASK >> RSTRUCT_EMBED_LEN_SHIFT))
#define RSTRUCT_LEN(st) rb_struct_len(st)
#define RSTRUCT_LENINT(st) rb_long2int(RSTRUCT_LEN(st))
#define RSTRUCT_CONST_PTR(st) rb_struct_const_ptr(st)
#define RSTRUCT_PTR(st) ((VALUE *)RSTRUCT_CONST_PTR(RB_OBJ_WB_UNPROTECT_FOR(STRUCT, st)))
#define RSTRUCT_SET(st, idx, v) RB_OBJ_WRITE(st, &RSTRUCT_CONST_PTR(st)[idx], (v))
#define RSTRUCT_GET(st, idx) (RSTRUCT_CONST_PTR(st)[idx])
#define RSTRUCT(obj) (R_CAST(RStruct)(obj))
static inline long
rb_struct_len(VALUE st)
{
return (RBASIC(st)->flags & RSTRUCT_EMBED_LEN_MASK) ?
RSTRUCT_EMBED_LEN(st) : RSTRUCT(st)->as.heap.len;
}
static inline const VALUE *
rb_struct_const_ptr(VALUE st)
{
return FIX_CONST_VALUE_PTR((RBASIC(st)->flags & RSTRUCT_EMBED_LEN_MASK) ?
RSTRUCT(st)->as.ary : RSTRUCT(st)->as.heap.ptr);
}
/* 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 rb_id_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);
int rb_singleton_class_internal_p(VALUE sklass);
#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_env = 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((m), &(m)->v1, (v))
#define MEMO_V2_SET(m, v) RB_OBJ_WRITE((m), &(m)->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))
#define NEW_PARTIAL_MEMO_FOR(type, value, member) \
((value) = rb_ary_tmp_new_fill(type_roomof(type, VALUE)), \
rb_ary_set_len((value), offsetof(type, member) / sizeof(VALUE)), \
MEMO_FOR(type, value))
#define STRING_P(s) (RB_TYPE_P((s), T_STRING) && CLASS_OF(s) == rb_cString)
#ifdef RUBY_INTEGER_UNIFICATION
# define rb_cFixnum rb_cInteger
# define rb_cBignum rb_cInteger
#endif
enum {
cmp_opt_Fixnum,
cmp_opt_String,
cmp_optimizable_count
};
struct cmp_opt_data {
int opt_methods;
int opt_inited;
};
#define NEW_CMP_OPT_MEMO(type, value) \
NEW_PARTIAL_MEMO_FOR(type, value, cmp_opt)
#define CMP_OPTIMIZABLE_BIT(type) (1U << TOKEN_PASTE(cmp_opt_,type))
#define CMP_OPTIMIZABLE(data, type) \
(((data).opt_inited & CMP_OPTIMIZABLE_BIT(type)) ? \
((data).opt_methods & CMP_OPTIMIZABLE_BIT(type)) : \
(((data).opt_inited |= CMP_OPTIMIZABLE_BIT(type)), \
rb_method_basic_definition_p(TOKEN_PASTE(rb_c,type), id_cmp) && \
((data).opt_methods |= CMP_OPTIMIZABLE_BIT(type))))
#define OPTIMIZED_CMP(a, b, data) \
((FIXNUM_P(a) && FIXNUM_P(b) && CMP_OPTIMIZABLE(data, Fixnum)) ? \
(((long)a > (long)b) ? 1 : ((long)a < (long)b) ? -1 : 0) : \
(STRING_P(a) && STRING_P(b) && CMP_OPTIMIZABLE(data, String)) ? \
rb_str_cmp(a, b) : \
rb_cmpint(rb_funcallv(a, id_cmp, 1, &b), a, b))
/* 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);
VALUE rb_ary_at(VALUE, VALUE);
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[];
double rb_big_fdiv_double(VALUE x, VALUE y);
VALUE rb_big_uminus(VALUE x);
VALUE rb_big_hash(VALUE);
VALUE rb_big_odd_p(VALUE);
VALUE rb_big_even_p(VALUE);
size_t rb_big_size(VALUE);
VALUE rb_integer_float_cmp(VALUE x, VALUE y);
VALUE rb_integer_float_eq(VALUE x, VALUE y);
VALUE rb_cstr_parse_inum(const char *str, ssize_t len, char **endp, int base);
VALUE rb_big_comp(VALUE x);
VALUE rb_big_aref(VALUE x, VALUE y);
VALUE rb_big_abs(VALUE x);
VALUE rb_big_size_m(VALUE big);
VALUE rb_big_bit_length(VALUE big);
VALUE rb_big_remainder(VALUE x, VALUE y);
VALUE rb_big_gt(VALUE x, VALUE y);
VALUE rb_big_ge(VALUE x, VALUE y);
VALUE rb_big_lt(VALUE x, VALUE y);
VALUE rb_big_le(VALUE x, VALUE y);
/* class.c */
VALUE rb_class_boot(VALUE);
VALUE rb_class_inherited(VALUE, VALUE);
VALUE rb_make_metaclass(VALUE, VALUE);
VALUE rb_include_class_new(VALUE, VALUE);
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);
void rb_undef_methods_from(VALUE klass, VALUE super);
/* compar.c */
VALUE rb_invcmp(VALUE, VALUE);
/* compile.c */
struct rb_block;
int rb_dvar_defined(ID, const struct rb_block *);
int rb_local_defined(ID, const struct rb_block *);
CONSTFUNC(const char * rb_insns_name(int i));
VALUE rb_insns_name_array(void);
/* complex.c */
VALUE rb_complex_plus(VALUE, VALUE);
VALUE rb_complex_mul(VALUE, VALUE);
VALUE rb_complex_abs(VALUE x);
VALUE rb_complex_sqrt(VALUE x);
/* 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);
CONSTFUNC(void rb_gc_mark_encodings(void));
rb_encoding *rb_enc_get_from_index(int index);
rb_encoding *rb_enc_check_str(VALUE str1, VALUE str2);
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);
PUREFUNC(int rb_data_is_encoding(VALUE obj));
/* enum.c */
VALUE rb_f_send(int argc, VALUE *argv, VALUE recv);
VALUE rb_nmin_run(VALUE obj, VALUE num, int by, int rev, int ary);
/* error.c */
extern VALUE rb_eEAGAIN;
extern VALUE rb_eEWOULDBLOCK;
extern VALUE rb_eEINPROGRESS;
void rb_report_bug_valist(VALUE file, int line, const char *fmt, va_list args);
PRINTF_ARGS(void rb_compile_error_str(VALUE file, int line, void *enc, const char *fmt, ...), 4, 5);
VALUE rb_syntax_error_append(VALUE, VALUE, int, int, rb_encoding*, const char*, va_list);
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);
VALUE rb_name_err_new(VALUE mesg, VALUE recv, VALUE method);
#define rb_name_err_raise_str(mesg, recv, name) \
rb_exc_raise(rb_name_err_new(mesg, recv, name))
#define rb_name_err_raise(mesg, recv, name) \
rb_name_err_raise_str(rb_fstring_cstr(mesg), (recv), (name))