forked from rurban/perl-compiler
-
Notifications
You must be signed in to change notification settings - Fork 3
/
C.xs
1047 lines (898 loc) · 27.7 KB
/
C.xs
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
#define PERL_NO_GET_CONTEXT
#include <EXTERN.h>
#include <perl.h>
#include <XSUB.h>
/* hack for 5.6.2: just want to know if PMf_ONCE or 0 */
#ifndef PmopSTASHPV
# define PmopSTASHPV(o) ((o)->op_pmflags & PMf_ONCE)
#endif
#ifndef RX_EXTFLAGS
# define RX_EXTFLAGS(prog) ((prog)->extflags)
#endif
typedef INVLIST *B__INVLIST;
typedef MAGIC *B__MAGIC;
typedef PADNAME *B__PADNAME;
typedef PADLIST *B__PADLIST;
typedef PADNAMELIST *B__PADNAMELIST;
typedef struct p5rx *B__REGEXP;
typedef COP *B__COP;
typedef CV *B__CV;
typedef OP *B__OP;
typedef HV *B__HV;
typedef SV *B__SV;
STATIC U32 a_hash = 0;
typedef struct {
U32 hash;
char* key; /* This is the only thing we really care about. */
I32 len;
} xsaccessor_any;
typedef struct {
U32 bits;
IV require_tag;
} a_hint_t;
static const char* const svclassnames[] = {
"B::NULL",
"B::IV",
"B::NV",
"B::PV",
"B::INVLIST",
"B::PVIV",
"B::PVNV",
"B::PVMG",
"B::REGEXP",
"B::GV",
"B::PVLV",
"B::AV",
"B::HV",
"B::CV",
"B::FM",
"B::IO",
};
typedef enum {
OPc_NULL, /* 0 */
OPc_BASEOP, /* 1 */
OPc_UNOP, /* 2 */
OPc_BINOP, /* 3 */
OPc_LOGOP, /* 4 */
OPc_LISTOP, /* 5 */
OPc_PMOP, /* 6 */
OPc_SVOP, /* 7 */
OPc_PADOP, /* 8 */
OPc_PVOP, /* 9 */
OPc_LOOP, /* 10 */
OPc_COP, /* 11 */
OPc_METHOP, /* 12 */
OPc_UNOP_AUX /* 13 */
} opclass;
static const char* const opclassnames[] = {
"B::NULL",
"B::OP",
"B::UNOP",
"B::BINOP",
"B::LOGOP",
"B::LISTOP",
"B::PMOP",
"B::SVOP",
"B::PADOP",
"B::PVOP",
"B::LOOP",
"B::COP",
"B::METHOP",
"B::UNOP_AUX"
};
#define MY_CXT_KEY "B::C::_guts" XS_VERSION
typedef struct {
int x_walkoptree_debug; /* Flag for walkoptree debug hook */
SV * x_specialsv_list[9];
} my_cxt_t;
START_MY_CXT
#define walkoptree_debug (MY_CXT.x_walkoptree_debug)
#define specialsv_list (MY_CXT.x_specialsv_list)
static opclass
cc_opclass(pTHX_ const OP *o)
{
bool custom = 0;
if (!o)
return OPc_NULL;
if (o->op_type == 0) {
if (o->op_targ == OP_NEXTSTATE || o->op_targ == OP_DBSTATE)
return OPc_COP;
return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
}
if (o->op_type == OP_SASSIGN)
return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP);
if (o->op_type == OP_AELEMFAST) {
return OPc_SVOP;
}
if (o->op_type == OP_CUSTOM)
custom = 1;
switch (OP_CLASS(o)) {
case OA_BASEOP:
return OPc_BASEOP;
case OA_UNOP:
return OPc_UNOP;
case OA_BINOP:
return OPc_BINOP;
case OA_LOGOP:
return OPc_LOGOP;
case OA_LISTOP:
return OPc_LISTOP;
case OA_PMOP:
return OPc_PMOP;
case OA_SVOP:
return OPc_SVOP;
case OA_PADOP:
return OPc_PADOP;
case OA_PVOP_OR_SVOP:
/*
* Character translations (tr///) are usually a PVOP, keeping a
* pointer to a table of shorts used to look up translations.
* Under utf8, however, a simple table isn't practical; instead,
* the OP is an SVOP (or, under threads, a PADOP),
* and the SV is a reference to a swash
* (i.e., an RV pointing to an HV).
*/
return (!custom &&
(o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
)
? OPc_SVOP : OPc_PVOP;
case OA_LOOP:
return OPc_LOOP;
case OA_COP:
return OPc_COP;
case OA_BASEOP_OR_UNOP:
/*
* UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on
* whether parens were seen. perly.y uses OPf_SPECIAL to
* signal whether a BASEOP had empty parens or none.
* Some other UNOPs are created later, though, so the best
* test is OPf_KIDS, which is set in newUNOP.
*/
return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
case OA_FILESTATOP:
/*
* The file stat OPs are created via UNI(OP_foo) in toke.c but use
* the OPf_REF flag to distinguish between OP types instead of the
* usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we
* return OPc_UNOP so that walkoptree can find our children. If
* OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set
* (no argument to the operator) it's an OP; with OPf_REF set it's
* an SVOP (and op_sv is the GV for the filehandle argument).
*/
return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
(o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP);
case OA_LOOPEXOP:
/*
* next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
* label was omitted (in which case it's a BASEOP) or else a term was
* seen. In this last case, all except goto are definitely PVOP but
* goto is either a PVOP (with an ordinary constant label), an UNOP
* with OPf_STACKED (with a non-constant non-sub) or an UNOP for
* OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
* get set.
*/
if (o->op_flags & OPf_STACKED)
return OPc_UNOP;
else if (o->op_flags & OPf_SPECIAL)
return OPc_BASEOP;
else
return OPc_PVOP;
case OA_METHOP:
return OPc_METHOP;
case OA_UNOP_AUX:
return OPc_UNOP_AUX;
}
warn("can't determine class of operator %s, assuming BASEOP\n",
OP_NAME(o));
return OPc_BASEOP;
}
static SV *
make_sv_object(pTHX_ SV *sv)
{
SV *const arg = sv_newmortal();
const char *type = 0;
IV iv;
dMY_CXT;
for (iv = 0; iv < (IV)(sizeof(specialsv_list)/sizeof(SV*)); iv++) {
if (sv == specialsv_list[iv]) {
type = "B::SPECIAL";
break;
}
}
if (!type) {
type = svclassnames[SvTYPE(sv)];
iv = PTR2IV(sv);
}
sv_setiv(newSVrv(arg, type), iv);
return arg;
}
static SV *
make_op_object(pTHX_ const OP *o)
{
SV *opsv = sv_newmortal();
sv_setiv(newSVrv(opsv, opclassnames[cc_opclass(aTHX_ o)]), PTR2IV(o));
return opsv;
}
static int
my_runops(pTHX)
{
HV* regexp_hv = get_hv( "B::C::Regexp", GV_ADD );
SV* key = newSViv( 0 );
int type;
DEBUG_l(Perl_deb(aTHX_ "Entering new RUNOPS level (B::C)\n"));
do {
if (PL_debug) {
if (PL_watchaddr && (*PL_watchaddr != PL_watchok))
PerlIO_printf(Perl_debug_log,
"WARNING: %"UVxf" changed from %"UVxf" to %"UVxf"\n",
PTR2UV(PL_watchaddr), PTR2UV(PL_watchok),
PTR2UV(*PL_watchaddr));
#if defined(DEBUGGING) \
&& !(defined(_WIN32) || (defined(__CYGWIN__) && (__GNUC__ > 3)) || defined(AIX))
if (DEBUG_s_TEST_) debstack();
if (DEBUG_t_TEST_) debop(PL_op);
#endif
}
/* Need to store the rx all for QR PMOPs in a global %Regexp hash. MATCH once also */
type = PL_op->op_type;
if (type == OP_QR
|| (type == OP_MATCH
&& PmopSTASH((PMOP*)PL_op)
))
{
PMOP* op;
REGEXP* rx = PM_GETRE( (PMOP*)PL_op );
SV* rv = newSViv( 0 );
New(0, op, 1, PMOP );
Copy( PL_op, op, 1, PMOP );
/* we need just the flags */
op->op_next = NULL;
op->op_first = NULL;
op->op_last = NULL;
op->op_pmregexp = 0;
op->op_sibparent = 0;
sv_setiv( key, PTR2IV( rx ) );
sv_setref_iv( rv, "B::PMOP", PTR2IV( op ) );
#if defined(DEBUGGING)
if (DEBUG_D_TEST_) fprintf(stderr, "pmop %p => rx %s %p 0x%x %s\n",
op, PL_op_name[type], rx, (unsigned)op->op_pmflags,
RX_WRAPPED(rx));
#endif
hv_store_ent( regexp_hv, key, rv, 0 );
}
} while ((PL_op = CALL_FPTR(PL_op->op_ppaddr)(aTHX)));
SvREFCNT_dec( key );
TAINT_NOT;
return 0;
}
#/* ************************************************************ */
MODULE = B__MAGIC PACKAGE = B::MAGIC
#/* ************************************************************ */
# This is a modified version of B::MAGIC::PTR. The B version isn't aware of when mg_ptr is
# actually pointing to a perl structure so it can't provide the right B object back to the caller.
void
BCPTR(mg)
B::MAGIC mg
PPCODE:
if (mg->mg_ptr) {
if (mg->mg_type == ':') {
PUSHs(make_op_object(aTHX_ *((OP**)mg->mg_ptr)));
}
else if (mg->mg_len >= 0) {
PUSHs(newSVpvn_flags(mg->mg_ptr, mg->mg_len, SVs_TEMP));
}
else if (mg->mg_len == HEf_SVKEY) {
PUSHs(make_sv_object(aTHX_ (SV*)mg->mg_ptr));
}
else
PUSHs(sv_newmortal());
}
else
PUSHs(sv_newmortal());
#/* ************************************************************ */
MODULE = B PACKAGE = B::HV
#/* ************************************************************ */
# returns a single or multiple ENAME(s), since 5.14
void
ENAMES(hv)
B::HV hv
PPCODE:
if (SvOOK(hv)) {
if (HvENAME_HEK(hv)) {
I32 i = 0;
const I32 count = HvAUX(hv)->xhv_name_count;
if (count) {
HEK** names = HvAUX(hv)->xhv_name_u.xhvnameu_names;
HEK *const *hekp = names + (count < 0 ? 1 : 0);
HEK *const *const endp = names + (count < 0 ? -count : count);
while (hekp < endp) {
assert(*hekp);
PUSHs(newSVpvn_flags(HEK_KEY(*hekp), HEK_LEN(*hekp),
HEK_UTF8(*hekp) ? SVf_UTF8|SVs_TEMP : SVs_TEMP));
++hekp;
i++;
}
XSRETURN(i);
}
else {
HEK *const hek = HvENAME_HEK_NN(hv);
ST(0) = newSVpvn_flags(HEK_KEY(hek), HEK_LEN(hek),
HEK_UTF8(hek) ? SVf_UTF8|SVs_TEMP : SVs_TEMP);
XSRETURN(1);
}
}
}
XSRETURN_UNDEF;
I32
name_count(hv)
B::HV hv
PPCODE:
PERL_UNUSED_VAR(RETVAL);
if (SvOOK(hv))
PUSHi(HvAUX(hv)->xhv_name_count);
else
PUSHi(0);
IV
Gv_AMG(stash)
B::HV stash
CODE:
XSRETURN_IV((!SvREADONLY(stash) && Gv_AMG(stash)) ? 1 : 0);
#/* ************************************************************ */
MODULE = B PACKAGE = B::UNOP_AUX
#/* ************************************************************ */
SV*
aux(o)
B::OP o
CODE:
{
UNOP_AUX_item *items = cUNOP_AUXo->op_aux;
UV len = items[-1].uv;
RETVAL = newSVpvn_flags((char*)&items[-1], (1+len) * sizeof(UNOP_AUX_item), 0);
}
OUTPUT:
RETVAL
SV*
aux_ptr2iv(o)
B::OP o
CODE:
{
UNOP_AUX_item *aux = cUNOP_AUXo->op_aux;
RETVAL = newSViv(PTR2IV(aux));
}
OUTPUT:
RETVAL
# Return the contents of the op_aux array as a list of IV/SV/GV/PADOFFSET objects.
# This version here returns the padoffset of SV/GV under ithreads, and not the
# SV/GV itself. It also uses simplified mPUSH macros.
# The design of the upstream aux_list method deviates significantly from proper B design.
void
aux_list_thr(o)
B::OP o
PPCODE:
PERL_UNUSED_VAR(cv); /* not needed on unthreaded builds */
switch (o->op_type) {
default:
XSRETURN(0); /* by default, an empty list */
case OP_ARGCHECK:
{
UNOP_AUX_item *aux = cUNOP_AUXo->op_aux;
EXTEND(SP, 3);
PUSHs(sv_2mortal(newSViv(aux[0].iv)));
PUSHs(sv_2mortal(newSViv(aux[1].iv)));
PUSHs(sv_2mortal(newSViv(aux[2].iv))); /* return the integer value and not a char */
/*PUSHs(sv_2mortal(aux[2].iv ? Perl_newSVpvf(aTHX_ "%c", (char)aux[2].iv) : &PL_sv_no));*/
break;
}
case OP_MULTICONCAT:
{
/* stolen from B.xs
- always return the plain & the utf8 strings
(do not try to be smart to return one or the other)
- always return all segments as they are
(view op/evalbytes.t unit test)
*/
UNOP_AUX_item *aux = cUNOP_AUXo->op_aux;
SSize_t nargs;
char *p;
STRLEN len;
U32 utf8 = 0;
SV *sv;
UNOP_AUX_item *lens;
/* return (nargs, const string, segment len 0, 1, 2, ...) */
/* if this changes, this block of code probably needs fixing */
assert(PERL_MULTICONCAT_HEADER_SIZE == 5);
nargs = aux[PERL_MULTICONCAT_IX_NARGS].ssize;
EXTEND(SP, ((SSize_t)(2 + (nargs+1))));
PUSHs(sv_2mortal(newSViv((IV)nargs)));
{ /* the plain string slots */
p = aux[PERL_MULTICONCAT_IX_PLAIN_PV].pv;
len = aux[PERL_MULTICONCAT_IX_PLAIN_LEN].ssize;
if ( p ) {
PUSHs(sv_2mortal(newSVpvn(p, len)));
} else {
PUSHs(&PL_sv_undef);
}
}
{ /* the utf8 slots */
p = aux[PERL_MULTICONCAT_IX_UTF8_PV].pv;
len = aux[PERL_MULTICONCAT_IX_UTF8_LEN].ssize;
if ( p ) {
sv = newSVpvn(p, len);
SvFLAGS(sv) |= utf8;
PUSHs(sv_2mortal(sv));
} else {
PUSHs(&PL_sv_undef);
}
/* * If the string has different plain and utf8 representations
* (e.g. "\x80"), then then aux[PERL_MULTICONCAT_IX_PLAIN_PV/LEN]]
* holds the plain rep, while aux[PERL_MULTICONCAT_IX_UTF8_PV/LEN]
* holds the utf8 rep, and there are 2 sets of segment lengths,
* with the utf8 set following after the plain set.
*/
if (
aux[PERL_MULTICONCAT_IX_PLAIN_PV].pv
&& aux[PERL_MULTICONCAT_IX_UTF8_PV].pv
&& aux[PERL_MULTICONCAT_IX_UTF8_PV].pv != aux[PERL_MULTICONCAT_IX_PLAIN_PV].pv ) {
nargs += 2;
}
}
lens = aux + PERL_MULTICONCAT_IX_LENGTHS;
nargs++; /* loop (nargs+1) times */
while (nargs--) {
PUSHs(sv_2mortal(newSViv(lens->ssize)));
lens++;
}
break;
}
case OP_MULTIDEREF:
# define PUSH_SV(item) PUSHs(make_sv_object(aTHX_ (item)->sv))
{
UNOP_AUX_item *items = cUNOP_AUXo->op_aux;
UV actions = items->uv;
UV len = items[-1].uv;
bool last = 0;
bool is_hash = FALSE;
assert(len <= SSize_t_MAX);
EXTEND(SP, (SSize_t)len);
mPUSHu(actions);
while (!last) {
switch (actions & MDEREF_ACTION_MASK) {
case MDEREF_reload:
actions = (++items)->uv;
mPUSHu(actions);
continue;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_padhv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_padav_aelem:
mPUSHu((++items)->pad_offset);
goto do_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_gvhv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_gvav_aelem:
PUSH_SV(++items);
goto do_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_gvsv_vivify_rv2hv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_gvsv_vivify_rv2av_aelem:
PUSH_SV(++items);
goto do_vivify_rv2xv_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_padsv_vivify_rv2hv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
case MDEREF_AV_padsv_vivify_rv2av_aelem:
mPUSHu((++items)->pad_offset);
goto do_vivify_rv2xv_elem;
NOT_REACHED; /* NOTREACHED */
case MDEREF_HV_pop_rv2hv_helem:
case MDEREF_HV_vivify_rv2hv_helem:
is_hash = TRUE;
/* FALLTHROUGH */
do_vivify_rv2xv_elem:
case MDEREF_AV_pop_rv2av_aelem:
case MDEREF_AV_vivify_rv2av_aelem:
do_elem:
switch (actions & MDEREF_INDEX_MASK) {
case MDEREF_INDEX_none:
last = 1;
break;
case MDEREF_INDEX_const:
if (is_hash)
PUSH_SV(++items);
else
mPUSHi((++items)->iv);
break;
case MDEREF_INDEX_padsv:
mPUSHu((++items)->pad_offset);
break;
case MDEREF_INDEX_gvsv:
PUSH_SV(++items);
break;
}
if (actions & MDEREF_FLAG_last)
last = 1;
is_hash = FALSE;
break;
} /* switch */
actions >>= MDEREF_SHIFT;
} /* while */
XSRETURN(len);
} /* OP_MULTIDEREF */
#if PERL_VERSION > 23 && defined(OP_SIGNATURE) /* cperl */
case OP_SIGNATURE:
{
UNOP_AUX_item *items = cUNOP_AUXo->op_aux;
UV len = items[-1].uv;
UV actions = items[1].uv;
assert(len <= SSize_t_MAX);
EXTEND(SP, (SSize_t)len);
mPUSHu(items[0].uv);
mPUSHu(actions);
items++;
while (1) {
switch (actions & SIGNATURE_ACTION_MASK) {
case SIGNATURE_reload:
actions = (++items)->uv;
mPUSHu(actions);
continue;
case SIGNATURE_end:
goto finish;
case SIGNATURE_padintro:
mPUSHu((++items)->uv);
break;
case SIGNATURE_arg:
case SIGNATURE_arg_default_none:
case SIGNATURE_arg_default_undef:
case SIGNATURE_arg_default_0:
case SIGNATURE_arg_default_1:
case SIGNATURE_arg_default_op:
case SIGNATURE_array:
case SIGNATURE_hash:
break;
case SIGNATURE_arg_default_iv:
mPUSHu((++items)->iv);
break;
case SIGNATURE_arg_default_const:
PUSH_SV(++items);
break;
case SIGNATURE_arg_default_padsv:
mPUSHu((++items)->pad_offset);
break;
case SIGNATURE_arg_default_gvsv:
PUSH_SV(++items);
break;
} /* switch */
actions >>= SIGNATURE_SHIFT;
} /* while */
finish:
XSRETURN(len);
} /* OP_SIGNATURE */
#endif
} /* switch */
#/* ************************************************************ */
MODULE = B PACKAGE = B::PADNAME PREFIX = Padname
#/* ************************************************************ */
#/*
#* PadnameGEN submitted to 5.36
#* - view https://github.com/Perl/perl5/pull/19599
#*/
int
PadnameGEN(padn)
B::PADNAME padn
CODE:
RETVAL = padn->xpadn_gen;
OUTPUT:
RETVAL
#/*
#* PadnameIsUndef submitted to 5.36
#* - view https://github.com/Perl/perl5/pull/19599
#*/
bool
PadnameIsUndef(padn)
B::PADNAME padn
CODE:
RETVAL = padn == &PL_padname_undef ? TRUE : FALSE;
OUTPUT:
RETVAL
#/* ************************************************************ */
MODULE = B PACKAGE = B::PADNAMELIST PREFIX = Padnamelist
#/* ************************************************************ */
size_t
PadnamelistMAXNAMED(padnl)
B::PADNAMELIST padnl
#/* ************************************************************ */
MODULE = B PACKAGE = B::REGEXP PREFIX = RX_
#/* ************************************************************ */
U32
RX_EXTFLAGS(rx)
B::REGEXP rx
U32 RX_NPARENS(rx)
B::REGEXP rx
CODE:
RETVAL = rx && ReANY(rx) ? ReANY(rx)->nparens : 0;
OUTPUT:
RETVAL
#/* ************************************************************ */
MODULE = B PACKAGE = B::MAGIC PREFIX = MG_
#/* ************************************************************ */
void
MG_OBJ_PTR(mg)
B::MAGIC mg
PPCODE:
PUSHs(sv_2mortal(newSVuv( mg ? PTR2UV(mg->mg_obj) : 0 )));
#/* ************************************************************ */
MODULE = B PACKAGE = B::SV PREFIX = Sv
#/* ************************************************************ */
bool
SvHAS_ANY(sv)
B::SV sv
CODE:
RETVAL = SvANY(sv) ? TRUE : FALSE;
OUTPUT:
RETVAL
#/*
#* SvIsBool, SvIsBoolYes, SvIsBoolNo submitted to 5.36
#* - view https://github.com/Perl/perl5/pull/19600
#*/
bool
SvIsBool(sv)
B::SV sv
CODE:
RETVAL = SvIsBOOL(sv) ? TRUE : FALSE;
OUTPUT:
RETVAL
bool
SvIsBoolYes(sv)
B::SV sv
CODE:
RETVAL = SvIsBOOL(sv) && SvPVX_const(sv) == PL_Yes ? TRUE : FALSE;
OUTPUT:
RETVAL
bool
SvIsBoolNo(sv)
B::SV sv
CODE:
RETVAL = SvIsBOOL(sv) && SvPVX_const(sv) == PL_No ? TRUE : FALSE;
OUTPUT:
RETVAL
#/*
#* Perl_sv_get_backrefs returns the point to the backrefs AV*
#* - for HV (with OOK) it's stored in the AUX.xhv_backreferences
#* - for any other SVs it's stored in the PERL_MAGIC_backref magic
#*
#*/
void
SvBACKREFS(sv)
B::SV sv
PREINIT:
SV *av_backrefs;
PPCODE:
av_backrefs = (SV*) Perl_sv_get_backrefs(sv);
if (av_backrefs) {
XPUSHs(make_sv_object(aTHX_ av_backrefs));
} else {
XSRETURN_UNDEF;
}
#/* ************************************************************ */
MODULE = B__CC PACKAGE = B::CC
#/* ************************************************************ */
PROTOTYPES: DISABLE
# Perl_ck_null is not exported on Windows, so disable autovivification optimizations there
U32
_autovivification(cop)
B::COP cop
CODE:
{
SV *hint;
IV h;
RETVAL = 1;
if (PL_check[OP_PADSV] != PL_check[0]) {
/*char *package = CopSTASHPV(cop);*/
#ifdef cop_hints_fetch_pvn
hint = cop_hints_fetch_pvn(cop, "autovivification", strlen("autovivification"), a_hash, 0);
#else
hint = Perl_refcounted_he_fetch(aTHX_ cop->cop_hints_hash,
NULL, "autovivification", strlen("autovivification"), 0, a_hash);
#endif
if (!(hint && SvIOK(hint)))
return;
h = SvIVX(hint);
if (h & 4) /* A_HINT_FETCH 4 */
RETVAL = 0;
}
}
OUTPUT:
RETVAL
#/* ************************************************************ */
MODULE = B__OP PACKAGE = B::OP PREFIX = op_
#/* ************************************************************ */
#ifdef need_op_slabbed
I32
op_slabbed(op)
B::OP op
PPCODE:
PUSHi(op->op_slabbed);
I32
op_savefree(op)
B::OP op
PPCODE:
PUSHi(op->op_savefree);
I32
op_static(op)
B::OP op
PPCODE:
PUSHi(op->op_static);
#endif
#ifdef need_op_folded
I32
op_folded(op)
B::OP op
PPCODE:
PUSHi(op->op_folded);
#endif
I32
op_max()
PPCODE:
PUSHi(OP_max);
#/*
#* op_sibling and op_parent from B.xs are tight but do not return what is in the slot
#* op_sibling returns op_sibparent only if op_moresib is set...
#* whereas op_parent returns the great,great... parent...
#* so a combination of the two could provide the same as this op_sibparent
#* i.e.: op_sibling || op_oarent
#*/
void
op_sibparent(op)
B::OP op
PPCODE:
PUSHs(make_op_object(aTHX_ op->op_sibparent ));
#/* unused for now */
void
op_bc_next(op)
B::OP op
PPCODE:
PUSHs(make_op_object(aTHX_ op->op_next ));
#/* ************************************************************ */
MODULE = B__C PACKAGE = B::C
#/* ************************************************************ */
SV*
get_linear_isa(classname)
SV* classname;
CODE:
{
HV *class_stash = gv_stashsv(classname, 0);
if (!class_stash) {
/* No stash exists yet, give them just the classname */
AV* isalin = newAV();
av_push(isalin, newSVsv(classname));
RETVAL = newRV(MUTABLE_SV(isalin));
}
else { /* just dfs */
RETVAL = newRV(MUTABLE_SV(Perl_mro_get_linear_isa(aTHX_ class_stash)));
}
}
OUTPUT:
RETVAL
SV*
sizeof_pointer()
ALIAS:
B::C::sizeof_xpvhv_aux = 1
B::C::sizeof_HV_ARRAY = 2
PREINIT:
SV *ret;
CODE:
{
MEM_SIZE size;
switch (ix) {
case 1:
size = sizeof( struct xpvhv_aux );
break;
case 2:
size = PERL_HV_ARRAY_ALLOC_BYTES(1);
break;
default:
size = sizeof( void * );
}
RETVAL = newSVuv( size );
}
OUTPUT:
RETVAL
SV*
strtab()
CODE:
RETVAL = newRV_inc((SV*)PL_strtab);
OUTPUT:
RETVAL
SV*
custom_ops()
CODE:
// { PTR2IV(ppaddr) => PTR2IV(xop) }
if (PL_custom_ops)
RETVAL = newRV_inc((SV*)PL_custom_ops);
else
RETVAL = &PL_sv_undef;
OUTPUT:
RETVAL
SV*
custom_op_names()
CODE:
if (PL_custom_op_names)
RETVAL = newRV_inc((SV*)PL_custom_op_names);
else
RETVAL = &PL_sv_undef;
OUTPUT:
RETVAL
SV*
custom_op_descs()
CODE:
if (PL_custom_op_descs)
RETVAL = newRV_inc((SV*)PL_custom_op_descs);
else
RETVAL = &PL_sv_undef;
OUTPUT:
RETVAL
#/* ************************************************************ */
MODULE = B__CV PACKAGE = B::CV PREFIX = cv_
#/* ************************************************************ */
SV*
cv_get_xs_accessor_key(cv)
B::CV cv;
CODE:
SV *sv;
xsaccessor_any *xsa;
xsa = XSANY.any_ptr;
if (xsa) {
RETVAL = newSVpvn(xsa->key, xsa->len);
} else {
RETVAL = &PL_sv_undef;
}
OUTPUT: