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Better have a three-element array if one is going to assign
[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 PERL_OBJECT
22c35a8c 16#undef PL_op_name
17#undef PL_opargs
18#undef PL_op_desc
0cb96387 19#define PL_op_name (get_op_names())
20#define PL_opargs (get_opargs())
21#define PL_op_desc (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 */
1a67a97c 56 OPc_LISTOP, /* 5 */
57 OPc_PMOP, /* 6 */
58 OPc_SVOP, /* 7 */
7934575e 59 OPc_PADOP, /* 8 */
1a67a97c 60 OPc_PVOP, /* 9 */
61 OPc_CVOP, /* 10 */
62 OPc_LOOP, /* 11 */
63 OPc_COP /* 12 */
a8a597b2 64} opclass;
65
66static char *opclassnames[] = {
67 "B::NULL",
68 "B::OP",
69 "B::UNOP",
70 "B::BINOP",
71 "B::LOGOP",
a8a597b2 72 "B::LISTOP",
73 "B::PMOP",
74 "B::SVOP",
7934575e 75 "B::PADOP",
a8a597b2 76 "B::PVOP",
77 "B::CVOP",
78 "B::LOOP",
79 "B::COP"
80};
81
82static int walkoptree_debug = 0; /* Flag for walkoptree debug hook */
83
059a8bb7 84static SV *specialsv_list[6];
e8edd1e6 85
a8a597b2 86static opclass
cea2e8a9 87cc_opclass(pTHX_ OP *o)
a8a597b2 88{
89 if (!o)
90 return OPc_NULL;
91
92 if (o->op_type == 0)
93 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
94
95 if (o->op_type == OP_SASSIGN)
96 return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP);
97
18228111 98#ifdef USE_ITHREADS
99 if (o->op_type == OP_GV || o->op_type == OP_GVSV || o->op_type == OP_AELEMFAST)
100 return OPc_PADOP;
101#endif
102
22c35a8c 103 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
a8a597b2 104 case OA_BASEOP:
105 return OPc_BASEOP;
106
107 case OA_UNOP:
108 return OPc_UNOP;
109
110 case OA_BINOP:
111 return OPc_BINOP;
112
113 case OA_LOGOP:
114 return OPc_LOGOP;
115
a8a597b2 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
7934575e 125 case OA_PADOP:
126 return OPc_PADOP;
a8a597b2 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
7934575e 163 * an SVOP (and op_sv is the GV for the filehandle argument).
a8a597b2 164 */
165 return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
93865851 166#ifdef USE_ITHREADS
167 (o->op_flags & OPf_REF) ? OPc_PADOP : OPc_BASEOP);
168#else
7934575e 169 (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP);
93865851 170#endif
a8a597b2 171 case OA_LOOPEXOP:
172 /*
173 * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
174 * label was omitted (in which case it's a BASEOP) or else a term was
175 * seen. In this last case, all except goto are definitely PVOP but
176 * goto is either a PVOP (with an ordinary constant label), an UNOP
177 * with OPf_STACKED (with a non-constant non-sub) or an UNOP for
178 * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
179 * get set.
180 */
181 if (o->op_flags & OPf_STACKED)
182 return OPc_UNOP;
183 else if (o->op_flags & OPf_SPECIAL)
184 return OPc_BASEOP;
185 else
186 return OPc_PVOP;
187 }
188 warn("can't determine class of operator %s, assuming BASEOP\n",
22c35a8c 189 PL_op_name[o->op_type]);
a8a597b2 190 return OPc_BASEOP;
191}
192
193static char *
cea2e8a9 194cc_opclassname(pTHX_ OP *o)
a8a597b2 195{
cea2e8a9 196 return opclassnames[cc_opclass(aTHX_ o)];
a8a597b2 197}
198
199static SV *
cea2e8a9 200make_sv_object(pTHX_ SV *arg, SV *sv)
a8a597b2 201{
202 char *type = 0;
203 IV iv;
204
e8edd1e6 205 for (iv = 0; iv < sizeof(specialsv_list)/sizeof(SV*); iv++) {
206 if (sv == specialsv_list[iv]) {
a8a597b2 207 type = "B::SPECIAL";
208 break;
209 }
210 }
211 if (!type) {
212 type = svclassnames[SvTYPE(sv)];
56431972 213 iv = PTR2IV(sv);
a8a597b2 214 }
215 sv_setiv(newSVrv(arg, type), iv);
216 return arg;
217}
218
219static SV *
cea2e8a9 220make_mg_object(pTHX_ SV *arg, MAGIC *mg)
a8a597b2 221{
56431972 222 sv_setiv(newSVrv(arg, "B::MAGIC"), PTR2IV(mg));
a8a597b2 223 return arg;
224}
225
226static SV *
cea2e8a9 227cstring(pTHX_ SV *sv)
a8a597b2 228{
79cb57f6 229 SV *sstr = newSVpvn("", 0);
a8a597b2 230 STRLEN len;
231 char *s;
232
233 if (!SvOK(sv))
234 sv_setpvn(sstr, "0", 1);
235 else
236 {
237 /* XXX Optimise? */
238 s = SvPV(sv, len);
239 sv_catpv(sstr, "\"");
240 for (; len; len--, s++)
241 {
242 /* At least try a little for readability */
243 if (*s == '"')
244 sv_catpv(sstr, "\\\"");
245 else if (*s == '\\')
246 sv_catpv(sstr, "\\\\");
247 else if (*s >= ' ' && *s < 127) /* XXX not portable */
248 sv_catpvn(sstr, s, 1);
249 else if (*s == '\n')
250 sv_catpv(sstr, "\\n");
251 else if (*s == '\r')
252 sv_catpv(sstr, "\\r");
253 else if (*s == '\t')
254 sv_catpv(sstr, "\\t");
255 else if (*s == '\a')
256 sv_catpv(sstr, "\\a");
257 else if (*s == '\b')
258 sv_catpv(sstr, "\\b");
259 else if (*s == '\f')
260 sv_catpv(sstr, "\\f");
261 else if (*s == '\v')
262 sv_catpv(sstr, "\\v");
263 else
264 {
265 /* no trigraph support */
266 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
267 /* Don't want promotion of a signed -1 char in sprintf args */
268 unsigned char c = (unsigned char) *s;
269 sprintf(escbuff, "\\%03o", c);
270 sv_catpv(sstr, escbuff);
271 }
272 /* XXX Add line breaks if string is long */
273 }
274 sv_catpv(sstr, "\"");
275 }
276 return sstr;
277}
278
279static SV *
cea2e8a9 280cchar(pTHX_ SV *sv)
a8a597b2 281{
79cb57f6 282 SV *sstr = newSVpvn("'", 1);
2d8e6c8d 283 STRLEN n_a;
284 char *s = SvPV(sv, n_a);
a8a597b2 285
286 if (*s == '\'')
287 sv_catpv(sstr, "\\'");
288 else if (*s == '\\')
289 sv_catpv(sstr, "\\\\");
290 else if (*s >= ' ' && *s < 127) /* XXX not portable */
291 sv_catpvn(sstr, s, 1);
292 else if (*s == '\n')
293 sv_catpv(sstr, "\\n");
294 else if (*s == '\r')
295 sv_catpv(sstr, "\\r");
296 else if (*s == '\t')
297 sv_catpv(sstr, "\\t");
298 else if (*s == '\a')
299 sv_catpv(sstr, "\\a");
300 else if (*s == '\b')
301 sv_catpv(sstr, "\\b");
302 else if (*s == '\f')
303 sv_catpv(sstr, "\\f");
304 else if (*s == '\v')
305 sv_catpv(sstr, "\\v");
306 else
307 {
308 /* no trigraph support */
309 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
310 /* Don't want promotion of a signed -1 char in sprintf args */
311 unsigned char c = (unsigned char) *s;
312 sprintf(escbuff, "\\%03o", c);
313 sv_catpv(sstr, escbuff);
314 }
315 sv_catpv(sstr, "'");
316 return sstr;
317}
318
a8a597b2 319void
cea2e8a9 320walkoptree(pTHX_ SV *opsv, char *method)
a8a597b2 321{
322 dSP;
323 OP *o;
324
325 if (!SvROK(opsv))
326 croak("opsv is not a reference");
327 opsv = sv_mortalcopy(opsv);
56431972 328 o = INT2PTR(OP*,SvIV((SV*)SvRV(opsv)));
a8a597b2 329 if (walkoptree_debug) {
330 PUSHMARK(sp);
331 XPUSHs(opsv);
332 PUTBACK;
333 perl_call_method("walkoptree_debug", G_DISCARD);
334 }
335 PUSHMARK(sp);
336 XPUSHs(opsv);
337 PUTBACK;
338 perl_call_method(method, G_DISCARD);
339 if (o && (o->op_flags & OPf_KIDS)) {
340 OP *kid;
341 for (kid = ((UNOP*)o)->op_first; kid; kid = kid->op_sibling) {
342 /* Use the same opsv. Rely on methods not to mess it up. */
56431972 343 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
cea2e8a9 344 walkoptree(aTHX_ opsv, method);
a8a597b2 345 }
346 }
347}
348
349typedef OP *B__OP;
350typedef UNOP *B__UNOP;
351typedef BINOP *B__BINOP;
352typedef LOGOP *B__LOGOP;
a8a597b2 353typedef LISTOP *B__LISTOP;
354typedef PMOP *B__PMOP;
355typedef SVOP *B__SVOP;
7934575e 356typedef PADOP *B__PADOP;
a8a597b2 357typedef PVOP *B__PVOP;
358typedef LOOP *B__LOOP;
359typedef COP *B__COP;
360
361typedef SV *B__SV;
362typedef SV *B__IV;
363typedef SV *B__PV;
364typedef SV *B__NV;
365typedef SV *B__PVMG;
366typedef SV *B__PVLV;
367typedef SV *B__BM;
368typedef SV *B__RV;
369typedef AV *B__AV;
370typedef HV *B__HV;
371typedef CV *B__CV;
372typedef GV *B__GV;
373typedef IO *B__IO;
374
375typedef MAGIC *B__MAGIC;
376
377MODULE = B PACKAGE = B PREFIX = B_
378
379PROTOTYPES: DISABLE
380
381BOOT:
4c1f658f 382{
383 HV *stash = gv_stashpvn("B", 1, TRUE);
384 AV *export_ok = perl_get_av("B::EXPORT_OK",TRUE);
e8edd1e6 385 specialsv_list[0] = Nullsv;
386 specialsv_list[1] = &PL_sv_undef;
387 specialsv_list[2] = &PL_sv_yes;
388 specialsv_list[3] = &PL_sv_no;
059a8bb7 389 specialsv_list[4] = pWARN_ALL;
390 specialsv_list[5] = pWARN_NONE;
4c1f658f 391#include "defsubs.h"
392}
a8a597b2 393
3280af22 394#define B_main_cv() PL_main_cv
31d7d75a 395#define B_init_av() PL_initav
059a8bb7 396#define B_begin_av() PL_beginav_save
397#define B_end_av() PL_endav
3280af22 398#define B_main_root() PL_main_root
399#define B_main_start() PL_main_start
56eca212 400#define B_amagic_generation() PL_amagic_generation
3280af22 401#define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
402#define B_sv_undef() &PL_sv_undef
403#define B_sv_yes() &PL_sv_yes
404#define B_sv_no() &PL_sv_no
a8a597b2 405
31d7d75a 406B::AV
407B_init_av()
408
059a8bb7 409B::AV
410B_begin_av()
411
412B::AV
413B_end_av()
414
a8a597b2 415B::CV
416B_main_cv()
417
418B::OP
419B_main_root()
420
421B::OP
422B_main_start()
423
56eca212 424long
425B_amagic_generation()
426
a8a597b2 427B::AV
428B_comppadlist()
429
430B::SV
431B_sv_undef()
432
433B::SV
434B_sv_yes()
435
436B::SV
437B_sv_no()
438
439MODULE = B PACKAGE = B
440
441
442void
443walkoptree(opsv, method)
444 SV * opsv
445 char * method
cea2e8a9 446 CODE:
447 walkoptree(aTHX_ opsv, method);
a8a597b2 448
449int
450walkoptree_debug(...)
451 CODE:
452 RETVAL = walkoptree_debug;
453 if (items > 0 && SvTRUE(ST(1)))
454 walkoptree_debug = 1;
455 OUTPUT:
456 RETVAL
457
56431972 458#define address(sv) PTR2IV(sv)
a8a597b2 459
460IV
461address(sv)
462 SV * sv
463
464B::SV
465svref_2object(sv)
466 SV * sv
467 CODE:
468 if (!SvROK(sv))
469 croak("argument is not a reference");
470 RETVAL = (SV*)SvRV(sv);
471 OUTPUT:
0cc1d052 472 RETVAL
473
474void
475opnumber(name)
476char * name
477CODE:
478{
479 int i;
480 IV result = -1;
481 ST(0) = sv_newmortal();
482 if (strncmp(name,"pp_",3) == 0)
483 name += 3;
484 for (i = 0; i < PL_maxo; i++)
485 {
486 if (strcmp(name, PL_op_name[i]) == 0)
487 {
488 result = i;
489 break;
490 }
491 }
492 sv_setiv(ST(0),result);
493}
a8a597b2 494
495void
496ppname(opnum)
497 int opnum
498 CODE:
499 ST(0) = sv_newmortal();
3280af22 500 if (opnum >= 0 && opnum < PL_maxo) {
a8a597b2 501 sv_setpvn(ST(0), "pp_", 3);
22c35a8c 502 sv_catpv(ST(0), PL_op_name[opnum]);
a8a597b2 503 }
504
505void
506hash(sv)
507 SV * sv
508 CODE:
509 char *s;
510 STRLEN len;
511 U32 hash = 0;
faccc32b 512 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
a8a597b2 513 s = SvPV(sv, len);
cf86991c 514 PERL_HASH(hash, s, len);
faccc32b 515 sprintf(hexhash, "0x%"UVxf, (UV)hash);
a8a597b2 516 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
517
518#define cast_I32(foo) (I32)foo
519IV
520cast_I32(i)
521 IV i
522
523void
524minus_c()
525 CODE:
3280af22 526 PL_minus_c = TRUE;
a8a597b2 527
059a8bb7 528void
529save_BEGINs()
530 CODE:
531 PL_minus_c |= 0x10;
532
a8a597b2 533SV *
534cstring(sv)
535 SV * sv
cea2e8a9 536 CODE:
537 RETVAL = cstring(aTHX_ sv);
538 OUTPUT:
539 RETVAL
a8a597b2 540
541SV *
542cchar(sv)
543 SV * sv
cea2e8a9 544 CODE:
545 RETVAL = cchar(aTHX_ sv);
546 OUTPUT:
547 RETVAL
a8a597b2 548
549void
550threadsv_names()
551 PPCODE:
552#ifdef USE_THREADS
553 int i;
533c011a 554 STRLEN len = strlen(PL_threadsv_names);
a8a597b2 555
556 EXTEND(sp, len);
557 for (i = 0; i < len; i++)
79cb57f6 558 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
a8a597b2 559#endif
560
561
562#define OP_next(o) o->op_next
563#define OP_sibling(o) o->op_sibling
22c35a8c 564#define OP_desc(o) PL_op_desc[o->op_type]
a8a597b2 565#define OP_targ(o) o->op_targ
566#define OP_type(o) o->op_type
567#define OP_seq(o) o->op_seq
568#define OP_flags(o) o->op_flags
569#define OP_private(o) o->op_private
570
571MODULE = B PACKAGE = B::OP PREFIX = OP_
572
573B::OP
574OP_next(o)
575 B::OP o
576
577B::OP
578OP_sibling(o)
579 B::OP o
580
581char *
3f872cb9 582OP_name(o)
583 B::OP o
584 CODE:
8063af02 585 RETVAL = PL_op_name[o->op_type];
586 OUTPUT:
587 RETVAL
3f872cb9 588
589
8063af02 590void
a8a597b2 591OP_ppaddr(o)
592 B::OP o
dc333d64 593 PREINIT:
594 int i;
595 SV *sv = sv_newmortal();
a8a597b2 596 CODE:
dc333d64 597 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
598 sv_catpv(sv, PL_op_name[o->op_type]);
599 for (i=13; i<SvCUR(sv); ++i)
600 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
601 sv_catpv(sv, "]");
602 ST(0) = sv;
a8a597b2 603
604char *
605OP_desc(o)
606 B::OP o
607
7934575e 608PADOFFSET
a8a597b2 609OP_targ(o)
610 B::OP o
611
612U16
613OP_type(o)
614 B::OP o
615
616U16
617OP_seq(o)
618 B::OP o
619
620U8
621OP_flags(o)
622 B::OP o
623
624U8
625OP_private(o)
626 B::OP o
627
628#define UNOP_first(o) o->op_first
629
630MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
631
632B::OP
633UNOP_first(o)
634 B::UNOP o
635
636#define BINOP_last(o) o->op_last
637
638MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
639
640B::OP
641BINOP_last(o)
642 B::BINOP o
643
644#define LOGOP_other(o) o->op_other
645
646MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
647
648B::OP
649LOGOP_other(o)
650 B::LOGOP o
651
a8a597b2 652MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
653
c03c2844 654U32
655LISTOP_children(o)
656 B::LISTOP o
657 OP * kid = NO_INIT
658 int i = NO_INIT
659 CODE:
c03c2844 660 i = 0;
661 for (kid = o->op_first; kid; kid = kid->op_sibling)
662 i++;
8063af02 663 RETVAL = i;
664 OUTPUT:
665 RETVAL
c03c2844 666
a8a597b2 667#define PMOP_pmreplroot(o) o->op_pmreplroot
668#define PMOP_pmreplstart(o) o->op_pmreplstart
669#define PMOP_pmnext(o) o->op_pmnext
670#define PMOP_pmregexp(o) o->op_pmregexp
671#define PMOP_pmflags(o) o->op_pmflags
672#define PMOP_pmpermflags(o) o->op_pmpermflags
673
674MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
675
676void
677PMOP_pmreplroot(o)
678 B::PMOP o
679 OP * root = NO_INIT
680 CODE:
681 ST(0) = sv_newmortal();
682 root = o->op_pmreplroot;
683 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
684 if (o->op_type == OP_PUSHRE) {
685 sv_setiv(newSVrv(ST(0), root ?
686 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
56431972 687 PTR2IV(root));
a8a597b2 688 }
689 else {
56431972 690 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
a8a597b2 691 }
692
693B::OP
694PMOP_pmreplstart(o)
695 B::PMOP o
696
697B::PMOP
698PMOP_pmnext(o)
699 B::PMOP o
700
701U16
702PMOP_pmflags(o)
703 B::PMOP o
704
705U16
706PMOP_pmpermflags(o)
707 B::PMOP o
708
709void
710PMOP_precomp(o)
711 B::PMOP o
712 REGEXP * rx = NO_INIT
713 CODE:
714 ST(0) = sv_newmortal();
715 rx = o->op_pmregexp;
716 if (rx)
717 sv_setpvn(ST(0), rx->precomp, rx->prelen);
718
ac33dcd1 719#define SVOP_sv(o) cSVOPo->op_sv
720#define SVOP_gv(o) ((GV*)cSVOPo->op_sv)
a8a597b2 721
722MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
723
a8a597b2 724B::SV
725SVOP_sv(o)
726 B::SVOP o
727
f22444f5 728B::GV
065a1863 729SVOP_gv(o)
730 B::SVOP o
731
7934575e 732#define PADOP_padix(o) o->op_padix
733#define PADOP_sv(o) (o->op_padix ? PL_curpad[o->op_padix] : Nullsv)
734#define PADOP_gv(o) ((o->op_padix \
735 && SvTYPE(PL_curpad[o->op_padix]) == SVt_PVGV) \
736 ? (GV*)PL_curpad[o->op_padix] : Nullgv)
a8a597b2 737
7934575e 738MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
739
740PADOFFSET
741PADOP_padix(o)
742 B::PADOP o
743
744B::SV
745PADOP_sv(o)
746 B::PADOP o
a8a597b2 747
748B::GV
7934575e 749PADOP_gv(o)
750 B::PADOP o
a8a597b2 751
752MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
753
754void
755PVOP_pv(o)
756 B::PVOP o
757 CODE:
758 /*
759 * OP_TRANS uses op_pv to point to a table of 256 shorts
760 * whereas other PVOPs point to a null terminated string.
761 */
762 ST(0) = sv_2mortal(newSVpv(o->op_pv, (o->op_type == OP_TRANS) ?
763 256 * sizeof(short) : 0));
764
765#define LOOP_redoop(o) o->op_redoop
766#define LOOP_nextop(o) o->op_nextop
767#define LOOP_lastop(o) o->op_lastop
768
769MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
770
771
772B::OP
773LOOP_redoop(o)
774 B::LOOP o
775
776B::OP
777LOOP_nextop(o)
778 B::LOOP o
779
780B::OP
781LOOP_lastop(o)
782 B::LOOP o
783
784#define COP_label(o) o->cop_label
11faa288 785#define COP_stashpv(o) CopSTASHPV(o)
786#define COP_stash(o) CopSTASH(o)
57843af0 787#define COP_file(o) CopFILE(o)
a8a597b2 788#define COP_cop_seq(o) o->cop_seq
789#define COP_arybase(o) o->cop_arybase
57843af0 790#define COP_line(o) CopLINE(o)
b295d113 791#define COP_warnings(o) o->cop_warnings
a8a597b2 792
793MODULE = B PACKAGE = B::COP PREFIX = COP_
794
795char *
796COP_label(o)
797 B::COP o
798
11faa288 799char *
800COP_stashpv(o)
801 B::COP o
802
a8a597b2 803B::HV
804COP_stash(o)
805 B::COP o
806
57843af0 807char *
808COP_file(o)
a8a597b2 809 B::COP o
810
811U32
812COP_cop_seq(o)
813 B::COP o
814
815I32
816COP_arybase(o)
817 B::COP o
818
819U16
820COP_line(o)
821 B::COP o
822
b295d113 823B::SV
824COP_warnings(o)
825 B::COP o
826
a8a597b2 827MODULE = B PACKAGE = B::SV PREFIX = Sv
828
829U32
830SvREFCNT(sv)
831 B::SV sv
832
833U32
834SvFLAGS(sv)
835 B::SV sv
836
837MODULE = B PACKAGE = B::IV PREFIX = Sv
838
839IV
840SvIV(sv)
841 B::IV sv
842
843IV
844SvIVX(sv)
845 B::IV sv
846
0ca04487 847UV
848SvUVX(sv)
849 B::IV sv
850
851
a8a597b2 852MODULE = B PACKAGE = B::IV
853
854#define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
855
856int
857needs64bits(sv)
858 B::IV sv
859
860void
861packiv(sv)
862 B::IV sv
863 CODE:
864 if (sizeof(IV) == 8) {
865 U32 wp[2];
866 IV iv = SvIVX(sv);
867 /*
868 * The following way of spelling 32 is to stop compilers on
869 * 32-bit architectures from moaning about the shift count
870 * being >= the width of the type. Such architectures don't
871 * reach this code anyway (unless sizeof(IV) > 8 but then
872 * everything else breaks too so I'm not fussed at the moment).
873 */
42718184 874#ifdef UV_IS_QUAD
875 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
876#else
877 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
878#endif
a8a597b2 879 wp[1] = htonl(iv & 0xffffffff);
79cb57f6 880 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
a8a597b2 881 } else {
882 U32 w = htonl((U32)SvIVX(sv));
79cb57f6 883 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
a8a597b2 884 }
885
886MODULE = B PACKAGE = B::NV PREFIX = Sv
887
888double
889SvNV(sv)
890 B::NV sv
891
892double
893SvNVX(sv)
894 B::NV sv
895
896MODULE = B PACKAGE = B::RV PREFIX = Sv
897
898B::SV
899SvRV(sv)
900 B::RV sv
901
902MODULE = B PACKAGE = B::PV PREFIX = Sv
903
904void
905SvPV(sv)
906 B::PV sv
907 CODE:
908 ST(0) = sv_newmortal();
909 sv_setpvn(ST(0), SvPVX(sv), SvCUR(sv));
910
445a12f6 911STRLEN
912SvLEN(sv)
913 B::PV sv
914
915STRLEN
916SvCUR(sv)
917 B::PV sv
918
a8a597b2 919MODULE = B PACKAGE = B::PVMG PREFIX = Sv
920
921void
922SvMAGIC(sv)
923 B::PVMG sv
924 MAGIC * mg = NO_INIT
925 PPCODE:
926 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
cea2e8a9 927 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
a8a597b2 928
929MODULE = B PACKAGE = B::PVMG
930
931B::HV
932SvSTASH(sv)
933 B::PVMG sv
934
935#define MgMOREMAGIC(mg) mg->mg_moremagic
936#define MgPRIVATE(mg) mg->mg_private
937#define MgTYPE(mg) mg->mg_type
938#define MgFLAGS(mg) mg->mg_flags
939#define MgOBJ(mg) mg->mg_obj
88b39979 940#define MgLENGTH(mg) mg->mg_len
a8a597b2 941
942MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
943
944B::MAGIC
945MgMOREMAGIC(mg)
946 B::MAGIC mg
947
948U16
949MgPRIVATE(mg)
950 B::MAGIC mg
951
952char
953MgTYPE(mg)
954 B::MAGIC mg
955
956U8
957MgFLAGS(mg)
958 B::MAGIC mg
959
960B::SV
961MgOBJ(mg)
962 B::MAGIC mg
963
88b39979 964I32
965MgLENGTH(mg)
966 B::MAGIC mg
967
a8a597b2 968void
969MgPTR(mg)
970 B::MAGIC mg
971 CODE:
972 ST(0) = sv_newmortal();
88b39979 973 if (mg->mg_ptr){
974 if (mg->mg_len >= 0){
975 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
976 } else {
977 if (mg->mg_len == HEf_SVKEY)
978 sv_setsv(ST(0),newRV((SV*)mg->mg_ptr));
979 }
980 }
a8a597b2 981
982MODULE = B PACKAGE = B::PVLV PREFIX = Lv
983
984U32
985LvTARGOFF(sv)
986 B::PVLV sv
987
988U32
989LvTARGLEN(sv)
990 B::PVLV sv
991
992char
993LvTYPE(sv)
994 B::PVLV sv
995
996B::SV
997LvTARG(sv)
998 B::PVLV sv
999
1000MODULE = B PACKAGE = B::BM PREFIX = Bm
1001
1002I32
1003BmUSEFUL(sv)
1004 B::BM sv
1005
1006U16
1007BmPREVIOUS(sv)
1008 B::BM sv
1009
1010U8
1011BmRARE(sv)
1012 B::BM sv
1013
1014void
1015BmTABLE(sv)
1016 B::BM sv
1017 STRLEN len = NO_INIT
1018 char * str = NO_INIT
1019 CODE:
1020 str = SvPV(sv, len);
1021 /* Boyer-Moore table is just after string and its safety-margin \0 */
79cb57f6 1022 ST(0) = sv_2mortal(newSVpvn(str + len + 1, 256));
a8a597b2 1023
1024MODULE = B PACKAGE = B::GV PREFIX = Gv
1025
1026void
1027GvNAME(gv)
1028 B::GV gv
1029 CODE:
79cb57f6 1030 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
a8a597b2 1031
87d7fd28 1032bool
1033is_empty(gv)
1034 B::GV gv
1035 CODE:
1036 RETVAL = GvGP(gv) == Null(GP*);
1037 OUTPUT:
1038 RETVAL
1039
a8a597b2 1040B::HV
1041GvSTASH(gv)
1042 B::GV gv
1043
1044B::SV
1045GvSV(gv)
1046 B::GV gv
1047
1048B::IO
1049GvIO(gv)
1050 B::GV gv
1051
1052B::CV
1053GvFORM(gv)
1054 B::GV gv
1055
1056B::AV
1057GvAV(gv)
1058 B::GV gv
1059
1060B::HV
1061GvHV(gv)
1062 B::GV gv
1063
1064B::GV
1065GvEGV(gv)
1066 B::GV gv
1067
1068B::CV
1069GvCV(gv)
1070 B::GV gv
1071
1072U32
1073GvCVGEN(gv)
1074 B::GV gv
1075
1076U16
1077GvLINE(gv)
1078 B::GV gv
1079
b195d487 1080char *
1081GvFILE(gv)
1082 B::GV gv
1083
a8a597b2 1084B::GV
1085GvFILEGV(gv)
1086 B::GV gv
1087
1088MODULE = B PACKAGE = B::GV
1089
1090U32
1091GvREFCNT(gv)
1092 B::GV gv
1093
1094U8
1095GvFLAGS(gv)
1096 B::GV gv
1097
1098MODULE = B PACKAGE = B::IO PREFIX = Io
1099
1100long
1101IoLINES(io)
1102 B::IO io
1103
1104long
1105IoPAGE(io)
1106 B::IO io
1107
1108long
1109IoPAGE_LEN(io)
1110 B::IO io
1111
1112long
1113IoLINES_LEFT(io)
1114 B::IO io
1115
1116char *
1117IoTOP_NAME(io)
1118 B::IO io
1119
1120B::GV
1121IoTOP_GV(io)
1122 B::IO io
1123
1124char *
1125IoFMT_NAME(io)
1126 B::IO io
1127
1128B::GV
1129IoFMT_GV(io)
1130 B::IO io
1131
1132char *
1133IoBOTTOM_NAME(io)
1134 B::IO io
1135
1136B::GV
1137IoBOTTOM_GV(io)
1138 B::IO io
1139
1140short
1141IoSUBPROCESS(io)
1142 B::IO io
1143
1144MODULE = B PACKAGE = B::IO
1145
1146char
1147IoTYPE(io)
1148 B::IO io
1149
1150U8
1151IoFLAGS(io)
1152 B::IO io
1153
1154MODULE = B PACKAGE = B::AV PREFIX = Av
1155
1156SSize_t
1157AvFILL(av)
1158 B::AV av
1159
1160SSize_t
1161AvMAX(av)
1162 B::AV av
1163
1164#define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1165
1166IV
1167AvOFF(av)
1168 B::AV av
1169
1170void
1171AvARRAY(av)
1172 B::AV av
1173 PPCODE:
1174 if (AvFILL(av) >= 0) {
1175 SV **svp = AvARRAY(av);
1176 I32 i;
1177 for (i = 0; i <= AvFILL(av); i++)
cea2e8a9 1178 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
a8a597b2 1179 }
1180
1181MODULE = B PACKAGE = B::AV
1182
1183U8
1184AvFLAGS(av)
1185 B::AV av
1186
1187MODULE = B PACKAGE = B::CV PREFIX = Cv
1188
1189B::HV
1190CvSTASH(cv)
1191 B::CV cv
1192
1193B::OP
1194CvSTART(cv)
1195 B::CV cv
1196
1197B::OP
1198CvROOT(cv)
1199 B::CV cv
1200
1201B::GV
1202CvGV(cv)
1203 B::CV cv
1204
57843af0 1205char *
1206CvFILE(cv)
1207 B::CV cv
1208
a8a597b2 1209long
1210CvDEPTH(cv)
1211 B::CV cv
1212
1213B::AV
1214CvPADLIST(cv)
1215 B::CV cv
1216
1217B::CV
1218CvOUTSIDE(cv)
1219 B::CV cv
1220
1221void
1222CvXSUB(cv)
1223 B::CV cv
1224 CODE:
56431972 1225 ST(0) = sv_2mortal(newSViv(PTR2IV(CvXSUB(cv))));
a8a597b2 1226
1227
1228void
1229CvXSUBANY(cv)
1230 B::CV cv
1231 CODE:
1232 ST(0) = sv_2mortal(newSViv(CvXSUBANY(cv).any_iv));
1233
5cfd8ad4 1234MODULE = B PACKAGE = B::CV
1235
6aaf4108 1236U16
5cfd8ad4 1237CvFLAGS(cv)
1238 B::CV cv
1239
de3f1649 1240MODULE = B PACKAGE = B::CV PREFIX = cv_
1241
1242B::SV
1243cv_const_sv(cv)
1244 B::CV cv
1245
5cfd8ad4 1246
a8a597b2 1247MODULE = B PACKAGE = B::HV PREFIX = Hv
1248
1249STRLEN
1250HvFILL(hv)
1251 B::HV hv
1252
1253STRLEN
1254HvMAX(hv)
1255 B::HV hv
1256
1257I32
1258HvKEYS(hv)
1259 B::HV hv
1260
1261I32
1262HvRITER(hv)
1263 B::HV hv
1264
1265char *
1266HvNAME(hv)
1267 B::HV hv
1268
1269B::PMOP
1270HvPMROOT(hv)
1271 B::HV hv
1272
1273void
1274HvARRAY(hv)
1275 B::HV hv
1276 PPCODE:
1277 if (HvKEYS(hv) > 0) {
1278 SV *sv;
1279 char *key;
1280 I32 len;
1281 (void)hv_iterinit(hv);
1282 EXTEND(sp, HvKEYS(hv) * 2);
8063af02 1283 while ((sv = hv_iternextsv(hv, &key, &len))) {
79cb57f6 1284 PUSHs(newSVpvn(key, len));
cea2e8a9 1285 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
a8a597b2 1286 }
1287 }
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