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more complete support for implicit thread/interpreter pointer,
[p5sagit/p5-mst-13.2.git] / ext / B / B.xs
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a8a597b2 1/* B.xs
2 *
3 * Copyright (c) 1996 Malcolm Beattie
4 *
5 * You may distribute under the terms of either the GNU General Public
6 * License or the Artistic License, as specified in the README file.
7 *
8 */
9
10#include "EXTERN.h"
11#include "perl.h"
12#include "XSUB.h"
13#include "INTERN.h"
a8a597b2 14
51aa15f3 15#ifdef PERL_OBJECT
22c35a8c 16#undef PL_op_name
17#undef PL_opargs
18#undef PL_op_desc
19#define PL_op_name (pPerl->Perl_get_op_names())
20#define PL_opargs (pPerl->Perl_get_opargs())
21#define PL_op_desc (pPerl->Perl_get_op_descs())
51aa15f3 22#endif
23
24#ifdef PerlIO
25typedef PerlIO * InputStream;
26#else
27typedef FILE * InputStream;
28#endif
29
30
a8a597b2 31static char *svclassnames[] = {
32 "B::NULL",
33 "B::IV",
34 "B::NV",
35 "B::RV",
36 "B::PV",
37 "B::PVIV",
38 "B::PVNV",
39 "B::PVMG",
40 "B::BM",
41 "B::PVLV",
42 "B::AV",
43 "B::HV",
44 "B::CV",
45 "B::GV",
46 "B::FM",
47 "B::IO",
48};
49
50typedef enum {
51 OPc_NULL, /* 0 */
52 OPc_BASEOP, /* 1 */
53 OPc_UNOP, /* 2 */
54 OPc_BINOP, /* 3 */
55 OPc_LOGOP, /* 4 */
56 OPc_CONDOP, /* 5 */
57 OPc_LISTOP, /* 6 */
58 OPc_PMOP, /* 7 */
59 OPc_SVOP, /* 8 */
60 OPc_GVOP, /* 9 */
61 OPc_PVOP, /* 10 */
62 OPc_CVOP, /* 11 */
63 OPc_LOOP, /* 12 */
64 OPc_COP /* 13 */
65} opclass;
66
67static char *opclassnames[] = {
68 "B::NULL",
69 "B::OP",
70 "B::UNOP",
71 "B::BINOP",
72 "B::LOGOP",
73 "B::CONDOP",
74 "B::LISTOP",
75 "B::PMOP",
76 "B::SVOP",
77 "B::GVOP",
78 "B::PVOP",
79 "B::CVOP",
80 "B::LOOP",
81 "B::COP"
82};
83
84static int walkoptree_debug = 0; /* Flag for walkoptree debug hook */
85
e8edd1e6 86static SV *specialsv_list[4];
87
a8a597b2 88static opclass
cea2e8a9 89cc_opclass(pTHX_ OP *o)
a8a597b2 90{
91 if (!o)
92 return OPc_NULL;
93
94 if (o->op_type == 0)
95 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
96
97 if (o->op_type == OP_SASSIGN)
98 return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP);
99
22c35a8c 100 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
a8a597b2 101 case OA_BASEOP:
102 return OPc_BASEOP;
103
104 case OA_UNOP:
105 return OPc_UNOP;
106
107 case OA_BINOP:
108 return OPc_BINOP;
109
110 case OA_LOGOP:
111 return OPc_LOGOP;
112
113 case OA_CONDOP:
114 return OPc_CONDOP;
115
116 case OA_LISTOP:
117 return OPc_LISTOP;
118
119 case OA_PMOP:
120 return OPc_PMOP;
121
122 case OA_SVOP:
123 return OPc_SVOP;
124
125 case OA_GVOP:
126 return OPc_GVOP;
127
293d3ffa 128 case OA_PVOP_OR_SVOP:
129 /*
130 * Character translations (tr///) are usually a PVOP, keeping a
131 * pointer to a table of shorts used to look up translations.
132 * Under utf8, however, a simple table isn't practical; instead,
133 * the OP is an SVOP, and the SV is a reference to a swash
134 * (i.e., an RV pointing to an HV).
135 */
136 return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
137 ? OPc_SVOP : OPc_PVOP;
a8a597b2 138
139 case OA_LOOP:
140 return OPc_LOOP;
141
142 case OA_COP:
143 return OPc_COP;
144
145 case OA_BASEOP_OR_UNOP:
146 /*
147 * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on
45f6cd40 148 * whether parens were seen. perly.y uses OPf_SPECIAL to
149 * signal whether a BASEOP had empty parens or none.
150 * Some other UNOPs are created later, though, so the best
151 * test is OPf_KIDS, which is set in newUNOP.
a8a597b2 152 */
45f6cd40 153 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
a8a597b2 154
155 case OA_FILESTATOP:
156 /*
157 * The file stat OPs are created via UNI(OP_foo) in toke.c but use
158 * the OPf_REF flag to distinguish between OP types instead of the
159 * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we
160 * return OPc_UNOP so that walkoptree can find our children. If
161 * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set
162 * (no argument to the operator) it's an OP; with OPf_REF set it's
163 * a GVOP (and op_gv is the GV for the filehandle argument).
164 */
165 return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
166 (o->op_flags & OPf_REF) ? OPc_GVOP : OPc_BASEOP);
167
168 case OA_LOOPEXOP:
169 /*
170 * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
171 * label was omitted (in which case it's a BASEOP) or else a term was
172 * seen. In this last case, all except goto are definitely PVOP but
173 * goto is either a PVOP (with an ordinary constant label), an UNOP
174 * with OPf_STACKED (with a non-constant non-sub) or an UNOP for
175 * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
176 * get set.
177 */
178 if (o->op_flags & OPf_STACKED)
179 return OPc_UNOP;
180 else if (o->op_flags & OPf_SPECIAL)
181 return OPc_BASEOP;
182 else
183 return OPc_PVOP;
184 }
185 warn("can't determine class of operator %s, assuming BASEOP\n",
22c35a8c 186 PL_op_name[o->op_type]);
a8a597b2 187 return OPc_BASEOP;
188}
189
190static char *
cea2e8a9 191cc_opclassname(pTHX_ OP *o)
a8a597b2 192{
cea2e8a9 193 return opclassnames[cc_opclass(aTHX_ o)];
a8a597b2 194}
195
196static SV *
cea2e8a9 197make_sv_object(pTHX_ SV *arg, SV *sv)
a8a597b2 198{
199 char *type = 0;
200 IV iv;
201
e8edd1e6 202 for (iv = 0; iv < sizeof(specialsv_list)/sizeof(SV*); iv++) {
203 if (sv == specialsv_list[iv]) {
a8a597b2 204 type = "B::SPECIAL";
205 break;
206 }
207 }
208 if (!type) {
209 type = svclassnames[SvTYPE(sv)];
210 iv = (IV)sv;
211 }
212 sv_setiv(newSVrv(arg, type), iv);
213 return arg;
214}
215
216static SV *
cea2e8a9 217make_mg_object(pTHX_ SV *arg, MAGIC *mg)
a8a597b2 218{
219 sv_setiv(newSVrv(arg, "B::MAGIC"), (IV)mg);
220 return arg;
221}
222
223static SV *
cea2e8a9 224cstring(pTHX_ SV *sv)
a8a597b2 225{
79cb57f6 226 SV *sstr = newSVpvn("", 0);
a8a597b2 227 STRLEN len;
228 char *s;
229
230 if (!SvOK(sv))
231 sv_setpvn(sstr, "0", 1);
232 else
233 {
234 /* XXX Optimise? */
235 s = SvPV(sv, len);
236 sv_catpv(sstr, "\"");
237 for (; len; len--, s++)
238 {
239 /* At least try a little for readability */
240 if (*s == '"')
241 sv_catpv(sstr, "\\\"");
242 else if (*s == '\\')
243 sv_catpv(sstr, "\\\\");
244 else if (*s >= ' ' && *s < 127) /* XXX not portable */
245 sv_catpvn(sstr, s, 1);
246 else if (*s == '\n')
247 sv_catpv(sstr, "\\n");
248 else if (*s == '\r')
249 sv_catpv(sstr, "\\r");
250 else if (*s == '\t')
251 sv_catpv(sstr, "\\t");
252 else if (*s == '\a')
253 sv_catpv(sstr, "\\a");
254 else if (*s == '\b')
255 sv_catpv(sstr, "\\b");
256 else if (*s == '\f')
257 sv_catpv(sstr, "\\f");
258 else if (*s == '\v')
259 sv_catpv(sstr, "\\v");
260 else
261 {
262 /* no trigraph support */
263 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
264 /* Don't want promotion of a signed -1 char in sprintf args */
265 unsigned char c = (unsigned char) *s;
266 sprintf(escbuff, "\\%03o", c);
267 sv_catpv(sstr, escbuff);
268 }
269 /* XXX Add line breaks if string is long */
270 }
271 sv_catpv(sstr, "\"");
272 }
273 return sstr;
274}
275
276static SV *
cea2e8a9 277cchar(pTHX_ SV *sv)
a8a597b2 278{
79cb57f6 279 SV *sstr = newSVpvn("'", 1);
2d8e6c8d 280 STRLEN n_a;
281 char *s = SvPV(sv, n_a);
a8a597b2 282
283 if (*s == '\'')
284 sv_catpv(sstr, "\\'");
285 else if (*s == '\\')
286 sv_catpv(sstr, "\\\\");
287 else if (*s >= ' ' && *s < 127) /* XXX not portable */
288 sv_catpvn(sstr, s, 1);
289 else if (*s == '\n')
290 sv_catpv(sstr, "\\n");
291 else if (*s == '\r')
292 sv_catpv(sstr, "\\r");
293 else if (*s == '\t')
294 sv_catpv(sstr, "\\t");
295 else if (*s == '\a')
296 sv_catpv(sstr, "\\a");
297 else if (*s == '\b')
298 sv_catpv(sstr, "\\b");
299 else if (*s == '\f')
300 sv_catpv(sstr, "\\f");
301 else if (*s == '\v')
302 sv_catpv(sstr, "\\v");
303 else
304 {
305 /* no trigraph support */
306 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
307 /* Don't want promotion of a signed -1 char in sprintf args */
308 unsigned char c = (unsigned char) *s;
309 sprintf(escbuff, "\\%03o", c);
310 sv_catpv(sstr, escbuff);
311 }
312 sv_catpv(sstr, "'");
313 return sstr;
314}
315
a8a597b2 316void
cea2e8a9 317walkoptree(pTHX_ SV *opsv, char *method)
a8a597b2 318{
319 dSP;
320 OP *o;
321
322 if (!SvROK(opsv))
323 croak("opsv is not a reference");
324 opsv = sv_mortalcopy(opsv);
325 o = (OP*)SvIV((SV*)SvRV(opsv));
326 if (walkoptree_debug) {
327 PUSHMARK(sp);
328 XPUSHs(opsv);
329 PUTBACK;
330 perl_call_method("walkoptree_debug", G_DISCARD);
331 }
332 PUSHMARK(sp);
333 XPUSHs(opsv);
334 PUTBACK;
335 perl_call_method(method, G_DISCARD);
336 if (o && (o->op_flags & OPf_KIDS)) {
337 OP *kid;
338 for (kid = ((UNOP*)o)->op_first; kid; kid = kid->op_sibling) {
339 /* Use the same opsv. Rely on methods not to mess it up. */
cea2e8a9 340 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), (IV)kid);
341 walkoptree(aTHX_ opsv, method);
a8a597b2 342 }
343 }
344}
345
346typedef OP *B__OP;
347typedef UNOP *B__UNOP;
348typedef BINOP *B__BINOP;
349typedef LOGOP *B__LOGOP;
350typedef CONDOP *B__CONDOP;
351typedef LISTOP *B__LISTOP;
352typedef PMOP *B__PMOP;
353typedef SVOP *B__SVOP;
354typedef GVOP *B__GVOP;
355typedef PVOP *B__PVOP;
356typedef LOOP *B__LOOP;
357typedef COP *B__COP;
358
359typedef SV *B__SV;
360typedef SV *B__IV;
361typedef SV *B__PV;
362typedef SV *B__NV;
363typedef SV *B__PVMG;
364typedef SV *B__PVLV;
365typedef SV *B__BM;
366typedef SV *B__RV;
367typedef AV *B__AV;
368typedef HV *B__HV;
369typedef CV *B__CV;
370typedef GV *B__GV;
371typedef IO *B__IO;
372
373typedef MAGIC *B__MAGIC;
374
375MODULE = B PACKAGE = B PREFIX = B_
376
377PROTOTYPES: DISABLE
378
379BOOT:
4c1f658f 380{
381 HV *stash = gv_stashpvn("B", 1, TRUE);
382 AV *export_ok = perl_get_av("B::EXPORT_OK",TRUE);
e8edd1e6 383 specialsv_list[0] = Nullsv;
384 specialsv_list[1] = &PL_sv_undef;
385 specialsv_list[2] = &PL_sv_yes;
386 specialsv_list[3] = &PL_sv_no;
4c1f658f 387#include "defsubs.h"
388}
a8a597b2 389
3280af22 390#define B_main_cv() PL_main_cv
31d7d75a 391#define B_init_av() PL_initav
3280af22 392#define B_main_root() PL_main_root
393#define B_main_start() PL_main_start
56eca212 394#define B_amagic_generation() PL_amagic_generation
3280af22 395#define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
396#define B_sv_undef() &PL_sv_undef
397#define B_sv_yes() &PL_sv_yes
398#define B_sv_no() &PL_sv_no
a8a597b2 399
31d7d75a 400B::AV
401B_init_av()
402
a8a597b2 403B::CV
404B_main_cv()
405
406B::OP
407B_main_root()
408
409B::OP
410B_main_start()
411
56eca212 412long
413B_amagic_generation()
414
a8a597b2 415B::AV
416B_comppadlist()
417
418B::SV
419B_sv_undef()
420
421B::SV
422B_sv_yes()
423
424B::SV
425B_sv_no()
426
427MODULE = B PACKAGE = B
428
429
430void
431walkoptree(opsv, method)
432 SV * opsv
433 char * method
cea2e8a9 434 CODE:
435 walkoptree(aTHX_ opsv, method);
a8a597b2 436
437int
438walkoptree_debug(...)
439 CODE:
440 RETVAL = walkoptree_debug;
441 if (items > 0 && SvTRUE(ST(1)))
442 walkoptree_debug = 1;
443 OUTPUT:
444 RETVAL
445
446int
447byteload_fh(fp)
51aa15f3 448 InputStream fp
a8a597b2 449 CODE:
450 byteload_fh(fp);
451 RETVAL = 1;
452 OUTPUT:
453 RETVAL
454
455void
456byteload_string(str)
457 char * str
458
459#define address(sv) (IV)sv
460
461IV
462address(sv)
463 SV * sv
464
465B::SV
466svref_2object(sv)
467 SV * sv
468 CODE:
469 if (!SvROK(sv))
470 croak("argument is not a reference");
471 RETVAL = (SV*)SvRV(sv);
472 OUTPUT:
0cc1d052 473 RETVAL
474
475void
476opnumber(name)
477char * name
478CODE:
479{
480 int i;
481 IV result = -1;
482 ST(0) = sv_newmortal();
483 if (strncmp(name,"pp_",3) == 0)
484 name += 3;
485 for (i = 0; i < PL_maxo; i++)
486 {
487 if (strcmp(name, PL_op_name[i]) == 0)
488 {
489 result = i;
490 break;
491 }
492 }
493 sv_setiv(ST(0),result);
494}
a8a597b2 495
496void
497ppname(opnum)
498 int opnum
499 CODE:
500 ST(0) = sv_newmortal();
3280af22 501 if (opnum >= 0 && opnum < PL_maxo) {
a8a597b2 502 sv_setpvn(ST(0), "pp_", 3);
22c35a8c 503 sv_catpv(ST(0), PL_op_name[opnum]);
a8a597b2 504 }
505
506void
507hash(sv)
508 SV * sv
509 CODE:
510 char *s;
511 STRLEN len;
512 U32 hash = 0;
cf86991c 513 char hexhash[19]; /* must fit "0xffffffff" plus trailing \0 */
a8a597b2 514 s = SvPV(sv, len);
cf86991c 515 PERL_HASH(hash, s, len);
a8a597b2 516 sprintf(hexhash, "0x%x", hash);
517 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
518
519#define cast_I32(foo) (I32)foo
520IV
521cast_I32(i)
522 IV i
523
524void
525minus_c()
526 CODE:
3280af22 527 PL_minus_c = TRUE;
a8a597b2 528
529SV *
530cstring(sv)
531 SV * sv
cea2e8a9 532 CODE:
533 RETVAL = cstring(aTHX_ sv);
534 OUTPUT:
535 RETVAL
a8a597b2 536
537SV *
538cchar(sv)
539 SV * sv
cea2e8a9 540 CODE:
541 RETVAL = cchar(aTHX_ sv);
542 OUTPUT:
543 RETVAL
a8a597b2 544
545void
546threadsv_names()
547 PPCODE:
548#ifdef USE_THREADS
549 int i;
533c011a 550 STRLEN len = strlen(PL_threadsv_names);
a8a597b2 551
552 EXTEND(sp, len);
553 for (i = 0; i < len; i++)
79cb57f6 554 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
a8a597b2 555#endif
556
557
558#define OP_next(o) o->op_next
559#define OP_sibling(o) o->op_sibling
22c35a8c 560#define OP_desc(o) PL_op_desc[o->op_type]
a8a597b2 561#define OP_targ(o) o->op_targ
562#define OP_type(o) o->op_type
563#define OP_seq(o) o->op_seq
564#define OP_flags(o) o->op_flags
565#define OP_private(o) o->op_private
566
567MODULE = B PACKAGE = B::OP PREFIX = OP_
568
569B::OP
570OP_next(o)
571 B::OP o
572
573B::OP
574OP_sibling(o)
575 B::OP o
576
577char *
578OP_ppaddr(o)
579 B::OP o
580 CODE:
581 ST(0) = sv_newmortal();
582 sv_setpvn(ST(0), "pp_", 3);
22c35a8c 583 sv_catpv(ST(0), PL_op_name[o->op_type]);
a8a597b2 584
585char *
586OP_desc(o)
587 B::OP o
588
589U16
590OP_targ(o)
591 B::OP o
592
593U16
594OP_type(o)
595 B::OP o
596
597U16
598OP_seq(o)
599 B::OP o
600
601U8
602OP_flags(o)
603 B::OP o
604
605U8
606OP_private(o)
607 B::OP o
608
609#define UNOP_first(o) o->op_first
610
611MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
612
613B::OP
614UNOP_first(o)
615 B::UNOP o
616
617#define BINOP_last(o) o->op_last
618
619MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
620
621B::OP
622BINOP_last(o)
623 B::BINOP o
624
625#define LOGOP_other(o) o->op_other
626
627MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
628
629B::OP
630LOGOP_other(o)
631 B::LOGOP o
632
633#define CONDOP_true(o) o->op_true
634#define CONDOP_false(o) o->op_false
635
636MODULE = B PACKAGE = B::CONDOP PREFIX = CONDOP_
637
638B::OP
639CONDOP_true(o)
640 B::CONDOP o
641
642B::OP
643CONDOP_false(o)
644 B::CONDOP o
645
646#define LISTOP_children(o) o->op_children
647
648MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
649
650U32
651LISTOP_children(o)
652 B::LISTOP o
653
654#define PMOP_pmreplroot(o) o->op_pmreplroot
655#define PMOP_pmreplstart(o) o->op_pmreplstart
656#define PMOP_pmnext(o) o->op_pmnext
657#define PMOP_pmregexp(o) o->op_pmregexp
658#define PMOP_pmflags(o) o->op_pmflags
659#define PMOP_pmpermflags(o) o->op_pmpermflags
660
661MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
662
663void
664PMOP_pmreplroot(o)
665 B::PMOP o
666 OP * root = NO_INIT
667 CODE:
668 ST(0) = sv_newmortal();
669 root = o->op_pmreplroot;
670 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
671 if (o->op_type == OP_PUSHRE) {
672 sv_setiv(newSVrv(ST(0), root ?
673 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
674 (IV)root);
675 }
676 else {
cea2e8a9 677 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), (IV)root);
a8a597b2 678 }
679
680B::OP
681PMOP_pmreplstart(o)
682 B::PMOP o
683
684B::PMOP
685PMOP_pmnext(o)
686 B::PMOP o
687
688U16
689PMOP_pmflags(o)
690 B::PMOP o
691
692U16
693PMOP_pmpermflags(o)
694 B::PMOP o
695
696void
697PMOP_precomp(o)
698 B::PMOP o
699 REGEXP * rx = NO_INIT
700 CODE:
701 ST(0) = sv_newmortal();
702 rx = o->op_pmregexp;
703 if (rx)
704 sv_setpvn(ST(0), rx->precomp, rx->prelen);
705
706#define SVOP_sv(o) o->op_sv
707
708MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
709
710
711B::SV
712SVOP_sv(o)
713 B::SVOP o
714
715#define GVOP_gv(o) o->op_gv
716
717MODULE = B PACKAGE = B::GVOP PREFIX = GVOP_
718
719
720B::GV
721GVOP_gv(o)
722 B::GVOP o
723
724MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
725
726void
727PVOP_pv(o)
728 B::PVOP o
729 CODE:
730 /*
731 * OP_TRANS uses op_pv to point to a table of 256 shorts
732 * whereas other PVOPs point to a null terminated string.
733 */
734 ST(0) = sv_2mortal(newSVpv(o->op_pv, (o->op_type == OP_TRANS) ?
735 256 * sizeof(short) : 0));
736
737#define LOOP_redoop(o) o->op_redoop
738#define LOOP_nextop(o) o->op_nextop
739#define LOOP_lastop(o) o->op_lastop
740
741MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
742
743
744B::OP
745LOOP_redoop(o)
746 B::LOOP o
747
748B::OP
749LOOP_nextop(o)
750 B::LOOP o
751
752B::OP
753LOOP_lastop(o)
754 B::LOOP o
755
756#define COP_label(o) o->cop_label
757#define COP_stash(o) o->cop_stash
758#define COP_filegv(o) o->cop_filegv
759#define COP_cop_seq(o) o->cop_seq
760#define COP_arybase(o) o->cop_arybase
761#define COP_line(o) o->cop_line
b295d113 762#define COP_warnings(o) o->cop_warnings
a8a597b2 763
764MODULE = B PACKAGE = B::COP PREFIX = COP_
765
766char *
767COP_label(o)
768 B::COP o
769
770B::HV
771COP_stash(o)
772 B::COP o
773
774B::GV
775COP_filegv(o)
776 B::COP o
777
778U32
779COP_cop_seq(o)
780 B::COP o
781
782I32
783COP_arybase(o)
784 B::COP o
785
786U16
787COP_line(o)
788 B::COP o
789
b295d113 790B::SV
791COP_warnings(o)
792 B::COP o
793
a8a597b2 794MODULE = B PACKAGE = B::SV PREFIX = Sv
795
796U32
797SvREFCNT(sv)
798 B::SV sv
799
800U32
801SvFLAGS(sv)
802 B::SV sv
803
804MODULE = B PACKAGE = B::IV PREFIX = Sv
805
806IV
807SvIV(sv)
808 B::IV sv
809
810IV
811SvIVX(sv)
812 B::IV sv
813
814MODULE = B PACKAGE = B::IV
815
816#define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
817
818int
819needs64bits(sv)
820 B::IV sv
821
822void
823packiv(sv)
824 B::IV sv
825 CODE:
826 if (sizeof(IV) == 8) {
827 U32 wp[2];
828 IV iv = SvIVX(sv);
829 /*
830 * The following way of spelling 32 is to stop compilers on
831 * 32-bit architectures from moaning about the shift count
832 * being >= the width of the type. Such architectures don't
833 * reach this code anyway (unless sizeof(IV) > 8 but then
834 * everything else breaks too so I'm not fussed at the moment).
835 */
836 wp[0] = htonl(((U32)iv) >> (sizeof(IV)*4));
837 wp[1] = htonl(iv & 0xffffffff);
79cb57f6 838 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
a8a597b2 839 } else {
840 U32 w = htonl((U32)SvIVX(sv));
79cb57f6 841 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
a8a597b2 842 }
843
844MODULE = B PACKAGE = B::NV PREFIX = Sv
845
846double
847SvNV(sv)
848 B::NV sv
849
850double
851SvNVX(sv)
852 B::NV sv
853
854MODULE = B PACKAGE = B::RV PREFIX = Sv
855
856B::SV
857SvRV(sv)
858 B::RV sv
859
860MODULE = B PACKAGE = B::PV PREFIX = Sv
861
862void
863SvPV(sv)
864 B::PV sv
865 CODE:
866 ST(0) = sv_newmortal();
867 sv_setpvn(ST(0), SvPVX(sv), SvCUR(sv));
868
869MODULE = B PACKAGE = B::PVMG PREFIX = Sv
870
871void
872SvMAGIC(sv)
873 B::PVMG sv
874 MAGIC * mg = NO_INIT
875 PPCODE:
876 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
cea2e8a9 877 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
a8a597b2 878
879MODULE = B PACKAGE = B::PVMG
880
881B::HV
882SvSTASH(sv)
883 B::PVMG sv
884
885#define MgMOREMAGIC(mg) mg->mg_moremagic
886#define MgPRIVATE(mg) mg->mg_private
887#define MgTYPE(mg) mg->mg_type
888#define MgFLAGS(mg) mg->mg_flags
889#define MgOBJ(mg) mg->mg_obj
88b39979 890#define MgLENGTH(mg) mg->mg_len
a8a597b2 891
892MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
893
894B::MAGIC
895MgMOREMAGIC(mg)
896 B::MAGIC mg
897
898U16
899MgPRIVATE(mg)
900 B::MAGIC mg
901
902char
903MgTYPE(mg)
904 B::MAGIC mg
905
906U8
907MgFLAGS(mg)
908 B::MAGIC mg
909
910B::SV
911MgOBJ(mg)
912 B::MAGIC mg
913
88b39979 914I32
915MgLENGTH(mg)
916 B::MAGIC mg
917
a8a597b2 918void
919MgPTR(mg)
920 B::MAGIC mg
921 CODE:
922 ST(0) = sv_newmortal();
88b39979 923 if (mg->mg_ptr){
924 if (mg->mg_len >= 0){
925 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
926 } else {
927 if (mg->mg_len == HEf_SVKEY)
928 sv_setsv(ST(0),newRV((SV*)mg->mg_ptr));
929 }
930 }
a8a597b2 931
932MODULE = B PACKAGE = B::PVLV PREFIX = Lv
933
934U32
935LvTARGOFF(sv)
936 B::PVLV sv
937
938U32
939LvTARGLEN(sv)
940 B::PVLV sv
941
942char
943LvTYPE(sv)
944 B::PVLV sv
945
946B::SV
947LvTARG(sv)
948 B::PVLV sv
949
950MODULE = B PACKAGE = B::BM PREFIX = Bm
951
952I32
953BmUSEFUL(sv)
954 B::BM sv
955
956U16
957BmPREVIOUS(sv)
958 B::BM sv
959
960U8
961BmRARE(sv)
962 B::BM sv
963
964void
965BmTABLE(sv)
966 B::BM sv
967 STRLEN len = NO_INIT
968 char * str = NO_INIT
969 CODE:
970 str = SvPV(sv, len);
971 /* Boyer-Moore table is just after string and its safety-margin \0 */
79cb57f6 972 ST(0) = sv_2mortal(newSVpvn(str + len + 1, 256));
a8a597b2 973
974MODULE = B PACKAGE = B::GV PREFIX = Gv
975
976void
977GvNAME(gv)
978 B::GV gv
979 CODE:
79cb57f6 980 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
a8a597b2 981
982B::HV
983GvSTASH(gv)
984 B::GV gv
985
986B::SV
987GvSV(gv)
988 B::GV gv
989
990B::IO
991GvIO(gv)
992 B::GV gv
993
994B::CV
995GvFORM(gv)
996 B::GV gv
997
998B::AV
999GvAV(gv)
1000 B::GV gv
1001
1002B::HV
1003GvHV(gv)
1004 B::GV gv
1005
1006B::GV
1007GvEGV(gv)
1008 B::GV gv
1009
1010B::CV
1011GvCV(gv)
1012 B::GV gv
1013
1014U32
1015GvCVGEN(gv)
1016 B::GV gv
1017
1018U16
1019GvLINE(gv)
1020 B::GV gv
1021
1022B::GV
1023GvFILEGV(gv)
1024 B::GV gv
1025
1026MODULE = B PACKAGE = B::GV
1027
1028U32
1029GvREFCNT(gv)
1030 B::GV gv
1031
1032U8
1033GvFLAGS(gv)
1034 B::GV gv
1035
1036MODULE = B PACKAGE = B::IO PREFIX = Io
1037
1038long
1039IoLINES(io)
1040 B::IO io
1041
1042long
1043IoPAGE(io)
1044 B::IO io
1045
1046long
1047IoPAGE_LEN(io)
1048 B::IO io
1049
1050long
1051IoLINES_LEFT(io)
1052 B::IO io
1053
1054char *
1055IoTOP_NAME(io)
1056 B::IO io
1057
1058B::GV
1059IoTOP_GV(io)
1060 B::IO io
1061
1062char *
1063IoFMT_NAME(io)
1064 B::IO io
1065
1066B::GV
1067IoFMT_GV(io)
1068 B::IO io
1069
1070char *
1071IoBOTTOM_NAME(io)
1072 B::IO io
1073
1074B::GV
1075IoBOTTOM_GV(io)
1076 B::IO io
1077
1078short
1079IoSUBPROCESS(io)
1080 B::IO io
1081
1082MODULE = B PACKAGE = B::IO
1083
1084char
1085IoTYPE(io)
1086 B::IO io
1087
1088U8
1089IoFLAGS(io)
1090 B::IO io
1091
1092MODULE = B PACKAGE = B::AV PREFIX = Av
1093
1094SSize_t
1095AvFILL(av)
1096 B::AV av
1097
1098SSize_t
1099AvMAX(av)
1100 B::AV av
1101
1102#define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1103
1104IV
1105AvOFF(av)
1106 B::AV av
1107
1108void
1109AvARRAY(av)
1110 B::AV av
1111 PPCODE:
1112 if (AvFILL(av) >= 0) {
1113 SV **svp = AvARRAY(av);
1114 I32 i;
1115 for (i = 0; i <= AvFILL(av); i++)
cea2e8a9 1116 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
a8a597b2 1117 }
1118
1119MODULE = B PACKAGE = B::AV
1120
1121U8
1122AvFLAGS(av)
1123 B::AV av
1124
1125MODULE = B PACKAGE = B::CV PREFIX = Cv
1126
1127B::HV
1128CvSTASH(cv)
1129 B::CV cv
1130
1131B::OP
1132CvSTART(cv)
1133 B::CV cv
1134
1135B::OP
1136CvROOT(cv)
1137 B::CV cv
1138
1139B::GV
1140CvGV(cv)
1141 B::CV cv
1142
1143B::GV
1144CvFILEGV(cv)
1145 B::CV cv
1146
1147long
1148CvDEPTH(cv)
1149 B::CV cv
1150
1151B::AV
1152CvPADLIST(cv)
1153 B::CV cv
1154
1155B::CV
1156CvOUTSIDE(cv)
1157 B::CV cv
1158
1159void
1160CvXSUB(cv)
1161 B::CV cv
1162 CODE:
1163 ST(0) = sv_2mortal(newSViv((IV)CvXSUB(cv)));
1164
1165
1166void
1167CvXSUBANY(cv)
1168 B::CV cv
1169 CODE:
1170 ST(0) = sv_2mortal(newSViv(CvXSUBANY(cv).any_iv));
1171
5cfd8ad4 1172MODULE = B PACKAGE = B::CV
1173
1174U8
1175CvFLAGS(cv)
1176 B::CV cv
1177
1178
a8a597b2 1179MODULE = B PACKAGE = B::HV PREFIX = Hv
1180
1181STRLEN
1182HvFILL(hv)
1183 B::HV hv
1184
1185STRLEN
1186HvMAX(hv)
1187 B::HV hv
1188
1189I32
1190HvKEYS(hv)
1191 B::HV hv
1192
1193I32
1194HvRITER(hv)
1195 B::HV hv
1196
1197char *
1198HvNAME(hv)
1199 B::HV hv
1200
1201B::PMOP
1202HvPMROOT(hv)
1203 B::HV hv
1204
1205void
1206HvARRAY(hv)
1207 B::HV hv
1208 PPCODE:
1209 if (HvKEYS(hv) > 0) {
1210 SV *sv;
1211 char *key;
1212 I32 len;
1213 (void)hv_iterinit(hv);
1214 EXTEND(sp, HvKEYS(hv) * 2);
1215 while (sv = hv_iternextsv(hv, &key, &len)) {
79cb57f6 1216 PUSHs(newSVpvn(key, len));
cea2e8a9 1217 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
a8a597b2 1218 }
1219 }
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