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[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
c5be433b 10#define PERL_NO_GET_CONTEXT
a8a597b2 11#include "EXTERN.h"
12#include "perl.h"
13#include "XSUB.h"
a8a597b2 14
51aa15f3 15#ifdef PerlIO
16typedef PerlIO * InputStream;
17#else
18typedef FILE * InputStream;
19#endif
20
21
a8a597b2 22static char *svclassnames[] = {
23 "B::NULL",
24 "B::IV",
25 "B::NV",
26 "B::RV",
27 "B::PV",
28 "B::PVIV",
29 "B::PVNV",
30 "B::PVMG",
31 "B::BM",
32 "B::PVLV",
33 "B::AV",
34 "B::HV",
35 "B::CV",
36 "B::GV",
37 "B::FM",
38 "B::IO",
39};
40
41typedef enum {
42 OPc_NULL, /* 0 */
43 OPc_BASEOP, /* 1 */
44 OPc_UNOP, /* 2 */
45 OPc_BINOP, /* 3 */
46 OPc_LOGOP, /* 4 */
1a67a97c 47 OPc_LISTOP, /* 5 */
48 OPc_PMOP, /* 6 */
49 OPc_SVOP, /* 7 */
7934575e 50 OPc_PADOP, /* 8 */
1a67a97c 51 OPc_PVOP, /* 9 */
52 OPc_CVOP, /* 10 */
53 OPc_LOOP, /* 11 */
54 OPc_COP /* 12 */
a8a597b2 55} opclass;
56
57static char *opclassnames[] = {
58 "B::NULL",
59 "B::OP",
60 "B::UNOP",
61 "B::BINOP",
62 "B::LOGOP",
a8a597b2 63 "B::LISTOP",
64 "B::PMOP",
65 "B::SVOP",
7934575e 66 "B::PADOP",
a8a597b2 67 "B::PVOP",
68 "B::CVOP",
69 "B::LOOP",
70 "B::COP"
71};
72
73static int walkoptree_debug = 0; /* Flag for walkoptree debug hook */
74
059a8bb7 75static SV *specialsv_list[6];
e8edd1e6 76
a8a597b2 77static opclass
cea2e8a9 78cc_opclass(pTHX_ OP *o)
a8a597b2 79{
80 if (!o)
81 return OPc_NULL;
82
83 if (o->op_type == 0)
84 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
85
86 if (o->op_type == OP_SASSIGN)
87 return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP);
88
18228111 89#ifdef USE_ITHREADS
90 if (o->op_type == OP_GV || o->op_type == OP_GVSV || o->op_type == OP_AELEMFAST)
91 return OPc_PADOP;
92#endif
93
22c35a8c 94 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
a8a597b2 95 case OA_BASEOP:
96 return OPc_BASEOP;
97
98 case OA_UNOP:
99 return OPc_UNOP;
100
101 case OA_BINOP:
102 return OPc_BINOP;
103
104 case OA_LOGOP:
105 return OPc_LOGOP;
106
a8a597b2 107 case OA_LISTOP:
108 return OPc_LISTOP;
109
110 case OA_PMOP:
111 return OPc_PMOP;
112
113 case OA_SVOP:
114 return OPc_SVOP;
115
7934575e 116 case OA_PADOP:
117 return OPc_PADOP;
a8a597b2 118
293d3ffa 119 case OA_PVOP_OR_SVOP:
120 /*
121 * Character translations (tr///) are usually a PVOP, keeping a
122 * pointer to a table of shorts used to look up translations.
123 * Under utf8, however, a simple table isn't practical; instead,
124 * the OP is an SVOP, and the SV is a reference to a swash
125 * (i.e., an RV pointing to an HV).
126 */
127 return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
128 ? OPc_SVOP : OPc_PVOP;
a8a597b2 129
130 case OA_LOOP:
131 return OPc_LOOP;
132
133 case OA_COP:
134 return OPc_COP;
135
136 case OA_BASEOP_OR_UNOP:
137 /*
138 * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on
45f6cd40 139 * whether parens were seen. perly.y uses OPf_SPECIAL to
140 * signal whether a BASEOP had empty parens or none.
141 * Some other UNOPs are created later, though, so the best
142 * test is OPf_KIDS, which is set in newUNOP.
a8a597b2 143 */
45f6cd40 144 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
a8a597b2 145
146 case OA_FILESTATOP:
147 /*
148 * The file stat OPs are created via UNI(OP_foo) in toke.c but use
149 * the OPf_REF flag to distinguish between OP types instead of the
150 * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we
151 * return OPc_UNOP so that walkoptree can find our children. If
152 * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set
153 * (no argument to the operator) it's an OP; with OPf_REF set it's
7934575e 154 * an SVOP (and op_sv is the GV for the filehandle argument).
a8a597b2 155 */
156 return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
93865851 157#ifdef USE_ITHREADS
158 (o->op_flags & OPf_REF) ? OPc_PADOP : OPc_BASEOP);
159#else
7934575e 160 (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP);
93865851 161#endif
a8a597b2 162 case OA_LOOPEXOP:
163 /*
164 * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
165 * label was omitted (in which case it's a BASEOP) or else a term was
166 * seen. In this last case, all except goto are definitely PVOP but
167 * goto is either a PVOP (with an ordinary constant label), an UNOP
168 * with OPf_STACKED (with a non-constant non-sub) or an UNOP for
169 * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
170 * get set.
171 */
172 if (o->op_flags & OPf_STACKED)
173 return OPc_UNOP;
174 else if (o->op_flags & OPf_SPECIAL)
175 return OPc_BASEOP;
176 else
177 return OPc_PVOP;
178 }
179 warn("can't determine class of operator %s, assuming BASEOP\n",
22c35a8c 180 PL_op_name[o->op_type]);
a8a597b2 181 return OPc_BASEOP;
182}
183
184static char *
cea2e8a9 185cc_opclassname(pTHX_ OP *o)
a8a597b2 186{
cea2e8a9 187 return opclassnames[cc_opclass(aTHX_ o)];
a8a597b2 188}
189
190static SV *
cea2e8a9 191make_sv_object(pTHX_ SV *arg, SV *sv)
a8a597b2 192{
193 char *type = 0;
194 IV iv;
195
e8edd1e6 196 for (iv = 0; iv < sizeof(specialsv_list)/sizeof(SV*); iv++) {
197 if (sv == specialsv_list[iv]) {
a8a597b2 198 type = "B::SPECIAL";
199 break;
200 }
201 }
202 if (!type) {
203 type = svclassnames[SvTYPE(sv)];
56431972 204 iv = PTR2IV(sv);
a8a597b2 205 }
206 sv_setiv(newSVrv(arg, type), iv);
207 return arg;
208}
209
210static SV *
cea2e8a9 211make_mg_object(pTHX_ SV *arg, MAGIC *mg)
a8a597b2 212{
56431972 213 sv_setiv(newSVrv(arg, "B::MAGIC"), PTR2IV(mg));
a8a597b2 214 return arg;
215}
216
217static SV *
cea2e8a9 218cstring(pTHX_ SV *sv)
a8a597b2 219{
79cb57f6 220 SV *sstr = newSVpvn("", 0);
a8a597b2 221 STRLEN len;
222 char *s;
223
224 if (!SvOK(sv))
225 sv_setpvn(sstr, "0", 1);
226 else
227 {
228 /* XXX Optimise? */
229 s = SvPV(sv, len);
230 sv_catpv(sstr, "\"");
231 for (; len; len--, s++)
232 {
233 /* At least try a little for readability */
234 if (*s == '"')
235 sv_catpv(sstr, "\\\"");
236 else if (*s == '\\')
237 sv_catpv(sstr, "\\\\");
238 else if (*s >= ' ' && *s < 127) /* XXX not portable */
239 sv_catpvn(sstr, s, 1);
240 else if (*s == '\n')
241 sv_catpv(sstr, "\\n");
242 else if (*s == '\r')
243 sv_catpv(sstr, "\\r");
244 else if (*s == '\t')
245 sv_catpv(sstr, "\\t");
246 else if (*s == '\a')
247 sv_catpv(sstr, "\\a");
248 else if (*s == '\b')
249 sv_catpv(sstr, "\\b");
250 else if (*s == '\f')
251 sv_catpv(sstr, "\\f");
252 else if (*s == '\v')
253 sv_catpv(sstr, "\\v");
254 else
255 {
256 /* no trigraph support */
257 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
258 /* Don't want promotion of a signed -1 char in sprintf args */
259 unsigned char c = (unsigned char) *s;
260 sprintf(escbuff, "\\%03o", c);
261 sv_catpv(sstr, escbuff);
262 }
263 /* XXX Add line breaks if string is long */
264 }
265 sv_catpv(sstr, "\"");
266 }
267 return sstr;
268}
269
270static SV *
cea2e8a9 271cchar(pTHX_ SV *sv)
a8a597b2 272{
79cb57f6 273 SV *sstr = newSVpvn("'", 1);
2d8e6c8d 274 STRLEN n_a;
275 char *s = SvPV(sv, n_a);
a8a597b2 276
277 if (*s == '\'')
278 sv_catpv(sstr, "\\'");
279 else if (*s == '\\')
280 sv_catpv(sstr, "\\\\");
281 else if (*s >= ' ' && *s < 127) /* XXX not portable */
282 sv_catpvn(sstr, s, 1);
283 else if (*s == '\n')
284 sv_catpv(sstr, "\\n");
285 else if (*s == '\r')
286 sv_catpv(sstr, "\\r");
287 else if (*s == '\t')
288 sv_catpv(sstr, "\\t");
289 else if (*s == '\a')
290 sv_catpv(sstr, "\\a");
291 else if (*s == '\b')
292 sv_catpv(sstr, "\\b");
293 else if (*s == '\f')
294 sv_catpv(sstr, "\\f");
295 else if (*s == '\v')
296 sv_catpv(sstr, "\\v");
297 else
298 {
299 /* no trigraph support */
300 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
301 /* Don't want promotion of a signed -1 char in sprintf args */
302 unsigned char c = (unsigned char) *s;
303 sprintf(escbuff, "\\%03o", c);
304 sv_catpv(sstr, escbuff);
305 }
306 sv_catpv(sstr, "'");
307 return sstr;
308}
309
a8a597b2 310void
cea2e8a9 311walkoptree(pTHX_ SV *opsv, char *method)
a8a597b2 312{
313 dSP;
314 OP *o;
315
316 if (!SvROK(opsv))
317 croak("opsv is not a reference");
318 opsv = sv_mortalcopy(opsv);
56431972 319 o = INT2PTR(OP*,SvIV((SV*)SvRV(opsv)));
a8a597b2 320 if (walkoptree_debug) {
321 PUSHMARK(sp);
322 XPUSHs(opsv);
323 PUTBACK;
324 perl_call_method("walkoptree_debug", G_DISCARD);
325 }
326 PUSHMARK(sp);
327 XPUSHs(opsv);
328 PUTBACK;
329 perl_call_method(method, G_DISCARD);
330 if (o && (o->op_flags & OPf_KIDS)) {
331 OP *kid;
332 for (kid = ((UNOP*)o)->op_first; kid; kid = kid->op_sibling) {
333 /* Use the same opsv. Rely on methods not to mess it up. */
56431972 334 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
cea2e8a9 335 walkoptree(aTHX_ opsv, method);
a8a597b2 336 }
337 }
338}
339
340typedef OP *B__OP;
341typedef UNOP *B__UNOP;
342typedef BINOP *B__BINOP;
343typedef LOGOP *B__LOGOP;
a8a597b2 344typedef LISTOP *B__LISTOP;
345typedef PMOP *B__PMOP;
346typedef SVOP *B__SVOP;
7934575e 347typedef PADOP *B__PADOP;
a8a597b2 348typedef PVOP *B__PVOP;
349typedef LOOP *B__LOOP;
350typedef COP *B__COP;
351
352typedef SV *B__SV;
353typedef SV *B__IV;
354typedef SV *B__PV;
355typedef SV *B__NV;
356typedef SV *B__PVMG;
357typedef SV *B__PVLV;
358typedef SV *B__BM;
359typedef SV *B__RV;
360typedef AV *B__AV;
361typedef HV *B__HV;
362typedef CV *B__CV;
363typedef GV *B__GV;
364typedef IO *B__IO;
365
366typedef MAGIC *B__MAGIC;
367
368MODULE = B PACKAGE = B PREFIX = B_
369
370PROTOTYPES: DISABLE
371
372BOOT:
4c1f658f 373{
374 HV *stash = gv_stashpvn("B", 1, TRUE);
375 AV *export_ok = perl_get_av("B::EXPORT_OK",TRUE);
e8edd1e6 376 specialsv_list[0] = Nullsv;
377 specialsv_list[1] = &PL_sv_undef;
378 specialsv_list[2] = &PL_sv_yes;
379 specialsv_list[3] = &PL_sv_no;
059a8bb7 380 specialsv_list[4] = pWARN_ALL;
381 specialsv_list[5] = pWARN_NONE;
4c1f658f 382#include "defsubs.h"
383}
a8a597b2 384
3280af22 385#define B_main_cv() PL_main_cv
31d7d75a 386#define B_init_av() PL_initav
059a8bb7 387#define B_begin_av() PL_beginav_save
388#define B_end_av() PL_endav
3280af22 389#define B_main_root() PL_main_root
390#define B_main_start() PL_main_start
56eca212 391#define B_amagic_generation() PL_amagic_generation
3280af22 392#define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
393#define B_sv_undef() &PL_sv_undef
394#define B_sv_yes() &PL_sv_yes
395#define B_sv_no() &PL_sv_no
a8a597b2 396
31d7d75a 397B::AV
398B_init_av()
399
059a8bb7 400B::AV
401B_begin_av()
402
403B::AV
404B_end_av()
405
a8a597b2 406B::CV
407B_main_cv()
408
409B::OP
410B_main_root()
411
412B::OP
413B_main_start()
414
56eca212 415long
416B_amagic_generation()
417
a8a597b2 418B::AV
419B_comppadlist()
420
421B::SV
422B_sv_undef()
423
424B::SV
425B_sv_yes()
426
427B::SV
428B_sv_no()
429
430MODULE = B PACKAGE = B
431
432
433void
434walkoptree(opsv, method)
435 SV * opsv
436 char * method
cea2e8a9 437 CODE:
438 walkoptree(aTHX_ opsv, method);
a8a597b2 439
440int
441walkoptree_debug(...)
442 CODE:
443 RETVAL = walkoptree_debug;
444 if (items > 0 && SvTRUE(ST(1)))
445 walkoptree_debug = 1;
446 OUTPUT:
447 RETVAL
448
56431972 449#define address(sv) PTR2IV(sv)
a8a597b2 450
451IV
452address(sv)
453 SV * sv
454
455B::SV
456svref_2object(sv)
457 SV * sv
458 CODE:
459 if (!SvROK(sv))
460 croak("argument is not a reference");
461 RETVAL = (SV*)SvRV(sv);
462 OUTPUT:
0cc1d052 463 RETVAL
464
465void
466opnumber(name)
467char * name
468CODE:
469{
470 int i;
471 IV result = -1;
472 ST(0) = sv_newmortal();
473 if (strncmp(name,"pp_",3) == 0)
474 name += 3;
475 for (i = 0; i < PL_maxo; i++)
476 {
477 if (strcmp(name, PL_op_name[i]) == 0)
478 {
479 result = i;
480 break;
481 }
482 }
483 sv_setiv(ST(0),result);
484}
a8a597b2 485
486void
487ppname(opnum)
488 int opnum
489 CODE:
490 ST(0) = sv_newmortal();
3280af22 491 if (opnum >= 0 && opnum < PL_maxo) {
a8a597b2 492 sv_setpvn(ST(0), "pp_", 3);
22c35a8c 493 sv_catpv(ST(0), PL_op_name[opnum]);
a8a597b2 494 }
495
496void
497hash(sv)
498 SV * sv
499 CODE:
500 char *s;
501 STRLEN len;
502 U32 hash = 0;
faccc32b 503 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
a8a597b2 504 s = SvPV(sv, len);
cf86991c 505 PERL_HASH(hash, s, len);
faccc32b 506 sprintf(hexhash, "0x%"UVxf, (UV)hash);
a8a597b2 507 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
508
509#define cast_I32(foo) (I32)foo
510IV
511cast_I32(i)
512 IV i
513
514void
515minus_c()
516 CODE:
3280af22 517 PL_minus_c = TRUE;
a8a597b2 518
059a8bb7 519void
520save_BEGINs()
521 CODE:
aefff11f 522 PL_savebegin = TRUE;
059a8bb7 523
a8a597b2 524SV *
525cstring(sv)
526 SV * sv
cea2e8a9 527 CODE:
528 RETVAL = cstring(aTHX_ sv);
529 OUTPUT:
530 RETVAL
a8a597b2 531
532SV *
533cchar(sv)
534 SV * sv
cea2e8a9 535 CODE:
536 RETVAL = cchar(aTHX_ sv);
537 OUTPUT:
538 RETVAL
a8a597b2 539
540void
541threadsv_names()
542 PPCODE:
4d1ff10f 543#ifdef USE_5005THREADS
a8a597b2 544 int i;
533c011a 545 STRLEN len = strlen(PL_threadsv_names);
a8a597b2 546
547 EXTEND(sp, len);
548 for (i = 0; i < len; i++)
79cb57f6 549 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
a8a597b2 550#endif
551
552
553#define OP_next(o) o->op_next
554#define OP_sibling(o) o->op_sibling
22c35a8c 555#define OP_desc(o) PL_op_desc[o->op_type]
a8a597b2 556#define OP_targ(o) o->op_targ
557#define OP_type(o) o->op_type
558#define OP_seq(o) o->op_seq
559#define OP_flags(o) o->op_flags
560#define OP_private(o) o->op_private
561
562MODULE = B PACKAGE = B::OP PREFIX = OP_
563
564B::OP
565OP_next(o)
566 B::OP o
567
568B::OP
569OP_sibling(o)
570 B::OP o
571
572char *
3f872cb9 573OP_name(o)
574 B::OP o
575 CODE:
8063af02 576 RETVAL = PL_op_name[o->op_type];
577 OUTPUT:
578 RETVAL
3f872cb9 579
580
8063af02 581void
a8a597b2 582OP_ppaddr(o)
583 B::OP o
dc333d64 584 PREINIT:
585 int i;
586 SV *sv = sv_newmortal();
a8a597b2 587 CODE:
dc333d64 588 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
589 sv_catpv(sv, PL_op_name[o->op_type]);
590 for (i=13; i<SvCUR(sv); ++i)
591 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
592 sv_catpv(sv, "]");
593 ST(0) = sv;
a8a597b2 594
595char *
596OP_desc(o)
597 B::OP o
598
7934575e 599PADOFFSET
a8a597b2 600OP_targ(o)
601 B::OP o
602
603U16
604OP_type(o)
605 B::OP o
606
607U16
608OP_seq(o)
609 B::OP o
610
611U8
612OP_flags(o)
613 B::OP o
614
615U8
616OP_private(o)
617 B::OP o
618
619#define UNOP_first(o) o->op_first
620
621MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
622
623B::OP
624UNOP_first(o)
625 B::UNOP o
626
627#define BINOP_last(o) o->op_last
628
629MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
630
631B::OP
632BINOP_last(o)
633 B::BINOP o
634
635#define LOGOP_other(o) o->op_other
636
637MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
638
639B::OP
640LOGOP_other(o)
641 B::LOGOP o
642
a8a597b2 643MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
644
c03c2844 645U32
646LISTOP_children(o)
647 B::LISTOP o
648 OP * kid = NO_INIT
649 int i = NO_INIT
650 CODE:
c03c2844 651 i = 0;
652 for (kid = o->op_first; kid; kid = kid->op_sibling)
653 i++;
8063af02 654 RETVAL = i;
655 OUTPUT:
656 RETVAL
c03c2844 657
a8a597b2 658#define PMOP_pmreplroot(o) o->op_pmreplroot
659#define PMOP_pmreplstart(o) o->op_pmreplstart
660#define PMOP_pmnext(o) o->op_pmnext
aaa362c4 661#define PMOP_pmregexp(o) PM_GETRE(o)
a8a597b2 662#define PMOP_pmflags(o) o->op_pmflags
663#define PMOP_pmpermflags(o) o->op_pmpermflags
664
665MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
666
667void
668PMOP_pmreplroot(o)
669 B::PMOP o
670 OP * root = NO_INIT
671 CODE:
672 ST(0) = sv_newmortal();
673 root = o->op_pmreplroot;
674 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
675 if (o->op_type == OP_PUSHRE) {
676 sv_setiv(newSVrv(ST(0), root ?
677 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
56431972 678 PTR2IV(root));
a8a597b2 679 }
680 else {
56431972 681 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
a8a597b2 682 }
683
684B::OP
685PMOP_pmreplstart(o)
686 B::PMOP o
687
688B::PMOP
689PMOP_pmnext(o)
690 B::PMOP o
691
692U16
693PMOP_pmflags(o)
694 B::PMOP o
695
696U16
697PMOP_pmpermflags(o)
698 B::PMOP o
699
700void
701PMOP_precomp(o)
702 B::PMOP o
703 REGEXP * rx = NO_INIT
704 CODE:
705 ST(0) = sv_newmortal();
aaa362c4 706 rx = PM_GETRE(o);
a8a597b2 707 if (rx)
708 sv_setpvn(ST(0), rx->precomp, rx->prelen);
709
ac33dcd1 710#define SVOP_sv(o) cSVOPo->op_sv
711#define SVOP_gv(o) ((GV*)cSVOPo->op_sv)
a8a597b2 712
713MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
714
a8a597b2 715B::SV
716SVOP_sv(o)
717 B::SVOP o
718
f22444f5 719B::GV
065a1863 720SVOP_gv(o)
721 B::SVOP o
722
7934575e 723#define PADOP_padix(o) o->op_padix
724#define PADOP_sv(o) (o->op_padix ? PL_curpad[o->op_padix] : Nullsv)
725#define PADOP_gv(o) ((o->op_padix \
726 && SvTYPE(PL_curpad[o->op_padix]) == SVt_PVGV) \
727 ? (GV*)PL_curpad[o->op_padix] : Nullgv)
a8a597b2 728
7934575e 729MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
730
731PADOFFSET
732PADOP_padix(o)
733 B::PADOP o
734
735B::SV
736PADOP_sv(o)
737 B::PADOP o
a8a597b2 738
739B::GV
7934575e 740PADOP_gv(o)
741 B::PADOP o
a8a597b2 742
743MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
744
745void
746PVOP_pv(o)
747 B::PVOP o
748 CODE:
749 /*
bec89253 750 * OP_TRANS uses op_pv to point to a table of 256 or >=258 shorts
a8a597b2 751 * whereas other PVOPs point to a null terminated string.
752 */
bec89253 753 if (o->op_type == OP_TRANS &&
754 (o->op_private & OPpTRANS_COMPLEMENT) &&
755 !(o->op_private & OPpTRANS_DELETE))
756 {
757 short* tbl = (short*)o->op_pv;
758 short entries = 257 + tbl[256];
759 ST(0) = sv_2mortal(newSVpv(o->op_pv, entries * sizeof(short)));
760 }
761 else if (o->op_type == OP_TRANS) {
762 ST(0) = sv_2mortal(newSVpv(o->op_pv, 256 * sizeof(short)));
763 }
764 else
765 ST(0) = sv_2mortal(newSVpv(o->op_pv, 0));
a8a597b2 766
767#define LOOP_redoop(o) o->op_redoop
768#define LOOP_nextop(o) o->op_nextop
769#define LOOP_lastop(o) o->op_lastop
770
771MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
772
773
774B::OP
775LOOP_redoop(o)
776 B::LOOP o
777
778B::OP
779LOOP_nextop(o)
780 B::LOOP o
781
782B::OP
783LOOP_lastop(o)
784 B::LOOP o
785
786#define COP_label(o) o->cop_label
11faa288 787#define COP_stashpv(o) CopSTASHPV(o)
788#define COP_stash(o) CopSTASH(o)
57843af0 789#define COP_file(o) CopFILE(o)
a8a597b2 790#define COP_cop_seq(o) o->cop_seq
791#define COP_arybase(o) o->cop_arybase
57843af0 792#define COP_line(o) CopLINE(o)
b295d113 793#define COP_warnings(o) o->cop_warnings
a8a597b2 794
795MODULE = B PACKAGE = B::COP PREFIX = COP_
796
797char *
798COP_label(o)
799 B::COP o
800
11faa288 801char *
802COP_stashpv(o)
803 B::COP o
804
a8a597b2 805B::HV
806COP_stash(o)
807 B::COP o
808
57843af0 809char *
810COP_file(o)
a8a597b2 811 B::COP o
812
813U32
814COP_cop_seq(o)
815 B::COP o
816
817I32
818COP_arybase(o)
819 B::COP o
820
821U16
822COP_line(o)
823 B::COP o
824
b295d113 825B::SV
826COP_warnings(o)
827 B::COP o
828
a8a597b2 829MODULE = B PACKAGE = B::SV PREFIX = Sv
830
831U32
832SvREFCNT(sv)
833 B::SV sv
834
835U32
836SvFLAGS(sv)
837 B::SV sv
838
839MODULE = B PACKAGE = B::IV PREFIX = Sv
840
841IV
842SvIV(sv)
843 B::IV sv
844
845IV
846SvIVX(sv)
847 B::IV sv
848
0ca04487 849UV
850SvUVX(sv)
851 B::IV sv
852
853
a8a597b2 854MODULE = B PACKAGE = B::IV
855
856#define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
857
858int
859needs64bits(sv)
860 B::IV sv
861
862void
863packiv(sv)
864 B::IV sv
865 CODE:
866 if (sizeof(IV) == 8) {
867 U32 wp[2];
868 IV iv = SvIVX(sv);
869 /*
870 * The following way of spelling 32 is to stop compilers on
871 * 32-bit architectures from moaning about the shift count
872 * being >= the width of the type. Such architectures don't
873 * reach this code anyway (unless sizeof(IV) > 8 but then
874 * everything else breaks too so I'm not fussed at the moment).
875 */
42718184 876#ifdef UV_IS_QUAD
877 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
878#else
879 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
880#endif
a8a597b2 881 wp[1] = htonl(iv & 0xffffffff);
79cb57f6 882 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
a8a597b2 883 } else {
884 U32 w = htonl((U32)SvIVX(sv));
79cb57f6 885 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
a8a597b2 886 }
887
888MODULE = B PACKAGE = B::NV PREFIX = Sv
889
76ef7183 890NV
a8a597b2 891SvNV(sv)
892 B::NV sv
893
76ef7183 894NV
a8a597b2 895SvNVX(sv)
896 B::NV sv
897
898MODULE = B PACKAGE = B::RV PREFIX = Sv
899
900B::SV
901SvRV(sv)
902 B::RV sv
903
904MODULE = B PACKAGE = B::PV PREFIX = Sv
905
0b40bd6d 906char*
907SvPVX(sv)
908 B::PV sv
909
a8a597b2 910void
911SvPV(sv)
912 B::PV sv
913 CODE:
914 ST(0) = sv_newmortal();
915 sv_setpvn(ST(0), SvPVX(sv), SvCUR(sv));
746698c5 916 SvFLAGS(ST(0)) |= SvUTF8(sv);
a8a597b2 917
445a12f6 918STRLEN
919SvLEN(sv)
920 B::PV sv
921
922STRLEN
923SvCUR(sv)
924 B::PV sv
925
a8a597b2 926MODULE = B PACKAGE = B::PVMG PREFIX = Sv
927
928void
929SvMAGIC(sv)
930 B::PVMG sv
931 MAGIC * mg = NO_INIT
932 PPCODE:
933 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
cea2e8a9 934 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
a8a597b2 935
936MODULE = B PACKAGE = B::PVMG
937
938B::HV
939SvSTASH(sv)
940 B::PVMG sv
941
942#define MgMOREMAGIC(mg) mg->mg_moremagic
943#define MgPRIVATE(mg) mg->mg_private
944#define MgTYPE(mg) mg->mg_type
945#define MgFLAGS(mg) mg->mg_flags
946#define MgOBJ(mg) mg->mg_obj
88b39979 947#define MgLENGTH(mg) mg->mg_len
a8a597b2 948
949MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
950
951B::MAGIC
952MgMOREMAGIC(mg)
953 B::MAGIC mg
954
955U16
956MgPRIVATE(mg)
957 B::MAGIC mg
958
959char
960MgTYPE(mg)
961 B::MAGIC mg
962
963U8
964MgFLAGS(mg)
965 B::MAGIC mg
966
967B::SV
968MgOBJ(mg)
969 B::MAGIC mg
970
88b39979 971I32
972MgLENGTH(mg)
973 B::MAGIC mg
974
a8a597b2 975void
976MgPTR(mg)
977 B::MAGIC mg
978 CODE:
979 ST(0) = sv_newmortal();
88b39979 980 if (mg->mg_ptr){
981 if (mg->mg_len >= 0){
982 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
983 } else {
984 if (mg->mg_len == HEf_SVKEY)
985 sv_setsv(ST(0),newRV((SV*)mg->mg_ptr));
986 }
987 }
a8a597b2 988
989MODULE = B PACKAGE = B::PVLV PREFIX = Lv
990
991U32
992LvTARGOFF(sv)
993 B::PVLV sv
994
995U32
996LvTARGLEN(sv)
997 B::PVLV sv
998
999char
1000LvTYPE(sv)
1001 B::PVLV sv
1002
1003B::SV
1004LvTARG(sv)
1005 B::PVLV sv
1006
1007MODULE = B PACKAGE = B::BM PREFIX = Bm
1008
1009I32
1010BmUSEFUL(sv)
1011 B::BM sv
1012
1013U16
1014BmPREVIOUS(sv)
1015 B::BM sv
1016
1017U8
1018BmRARE(sv)
1019 B::BM sv
1020
1021void
1022BmTABLE(sv)
1023 B::BM sv
1024 STRLEN len = NO_INIT
1025 char * str = NO_INIT
1026 CODE:
1027 str = SvPV(sv, len);
1028 /* Boyer-Moore table is just after string and its safety-margin \0 */
79cb57f6 1029 ST(0) = sv_2mortal(newSVpvn(str + len + 1, 256));
a8a597b2 1030
1031MODULE = B PACKAGE = B::GV PREFIX = Gv
1032
1033void
1034GvNAME(gv)
1035 B::GV gv
1036 CODE:
79cb57f6 1037 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
a8a597b2 1038
87d7fd28 1039bool
1040is_empty(gv)
1041 B::GV gv
1042 CODE:
1043 RETVAL = GvGP(gv) == Null(GP*);
1044 OUTPUT:
1045 RETVAL
1046
a8a597b2 1047B::HV
1048GvSTASH(gv)
1049 B::GV gv
1050
1051B::SV
1052GvSV(gv)
1053 B::GV gv
1054
1055B::IO
1056GvIO(gv)
1057 B::GV gv
1058
1059B::CV
1060GvFORM(gv)
1061 B::GV gv
1062
1063B::AV
1064GvAV(gv)
1065 B::GV gv
1066
1067B::HV
1068GvHV(gv)
1069 B::GV gv
1070
1071B::GV
1072GvEGV(gv)
1073 B::GV gv
1074
1075B::CV
1076GvCV(gv)
1077 B::GV gv
1078
1079U32
1080GvCVGEN(gv)
1081 B::GV gv
1082
1083U16
1084GvLINE(gv)
1085 B::GV gv
1086
b195d487 1087char *
1088GvFILE(gv)
1089 B::GV gv
1090
a8a597b2 1091B::GV
1092GvFILEGV(gv)
1093 B::GV gv
1094
1095MODULE = B PACKAGE = B::GV
1096
1097U32
1098GvREFCNT(gv)
1099 B::GV gv
1100
1101U8
1102GvFLAGS(gv)
1103 B::GV gv
1104
1105MODULE = B PACKAGE = B::IO PREFIX = Io
1106
1107long
1108IoLINES(io)
1109 B::IO io
1110
1111long
1112IoPAGE(io)
1113 B::IO io
1114
1115long
1116IoPAGE_LEN(io)
1117 B::IO io
1118
1119long
1120IoLINES_LEFT(io)
1121 B::IO io
1122
1123char *
1124IoTOP_NAME(io)
1125 B::IO io
1126
1127B::GV
1128IoTOP_GV(io)
1129 B::IO io
1130
1131char *
1132IoFMT_NAME(io)
1133 B::IO io
1134
1135B::GV
1136IoFMT_GV(io)
1137 B::IO io
1138
1139char *
1140IoBOTTOM_NAME(io)
1141 B::IO io
1142
1143B::GV
1144IoBOTTOM_GV(io)
1145 B::IO io
1146
1147short
1148IoSUBPROCESS(io)
1149 B::IO io
1150
1151MODULE = B PACKAGE = B::IO
1152
1153char
1154IoTYPE(io)
1155 B::IO io
1156
1157U8
1158IoFLAGS(io)
1159 B::IO io
1160
1161MODULE = B PACKAGE = B::AV PREFIX = Av
1162
1163SSize_t
1164AvFILL(av)
1165 B::AV av
1166
1167SSize_t
1168AvMAX(av)
1169 B::AV av
1170
1171#define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1172
1173IV
1174AvOFF(av)
1175 B::AV av
1176
1177void
1178AvARRAY(av)
1179 B::AV av
1180 PPCODE:
1181 if (AvFILL(av) >= 0) {
1182 SV **svp = AvARRAY(av);
1183 I32 i;
1184 for (i = 0; i <= AvFILL(av); i++)
cea2e8a9 1185 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
a8a597b2 1186 }
1187
1188MODULE = B PACKAGE = B::AV
1189
1190U8
1191AvFLAGS(av)
1192 B::AV av
1193
1194MODULE = B PACKAGE = B::CV PREFIX = Cv
1195
1196B::HV
1197CvSTASH(cv)
1198 B::CV cv
1199
1200B::OP
1201CvSTART(cv)
1202 B::CV cv
1203
1204B::OP
1205CvROOT(cv)
1206 B::CV cv
1207
1208B::GV
1209CvGV(cv)
1210 B::CV cv
1211
57843af0 1212char *
1213CvFILE(cv)
1214 B::CV cv
1215
a8a597b2 1216long
1217CvDEPTH(cv)
1218 B::CV cv
1219
1220B::AV
1221CvPADLIST(cv)
1222 B::CV cv
1223
1224B::CV
1225CvOUTSIDE(cv)
1226 B::CV cv
1227
1228void
1229CvXSUB(cv)
1230 B::CV cv
1231 CODE:
56431972 1232 ST(0) = sv_2mortal(newSViv(PTR2IV(CvXSUB(cv))));
a8a597b2 1233
1234
1235void
1236CvXSUBANY(cv)
1237 B::CV cv
1238 CODE:
1239 ST(0) = sv_2mortal(newSViv(CvXSUBANY(cv).any_iv));
1240
5cfd8ad4 1241MODULE = B PACKAGE = B::CV
1242
6aaf4108 1243U16
5cfd8ad4 1244CvFLAGS(cv)
1245 B::CV cv
1246
de3f1649 1247MODULE = B PACKAGE = B::CV PREFIX = cv_
1248
1249B::SV
1250cv_const_sv(cv)
1251 B::CV cv
1252
5cfd8ad4 1253
a8a597b2 1254MODULE = B PACKAGE = B::HV PREFIX = Hv
1255
1256STRLEN
1257HvFILL(hv)
1258 B::HV hv
1259
1260STRLEN
1261HvMAX(hv)
1262 B::HV hv
1263
1264I32
1265HvKEYS(hv)
1266 B::HV hv
1267
1268I32
1269HvRITER(hv)
1270 B::HV hv
1271
1272char *
1273HvNAME(hv)
1274 B::HV hv
1275
1276B::PMOP
1277HvPMROOT(hv)
1278 B::HV hv
1279
1280void
1281HvARRAY(hv)
1282 B::HV hv
1283 PPCODE:
1284 if (HvKEYS(hv) > 0) {
1285 SV *sv;
1286 char *key;
1287 I32 len;
1288 (void)hv_iterinit(hv);
1289 EXTEND(sp, HvKEYS(hv) * 2);
8063af02 1290 while ((sv = hv_iternextsv(hv, &key, &len))) {
79cb57f6 1291 PUSHs(newSVpvn(key, len));
cea2e8a9 1292 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
a8a597b2 1293 }
1294 }
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