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YA resync with mainstem, including VMS patches from others
[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
e8edd1e6 84static SV *specialsv_list[4];
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;
4c1f658f 389#include "defsubs.h"
390}
a8a597b2 391
3280af22 392#define B_main_cv() PL_main_cv
31d7d75a 393#define B_init_av() PL_initav
3280af22 394#define B_main_root() PL_main_root
395#define B_main_start() PL_main_start
56eca212 396#define B_amagic_generation() PL_amagic_generation
3280af22 397#define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
398#define B_sv_undef() &PL_sv_undef
399#define B_sv_yes() &PL_sv_yes
400#define B_sv_no() &PL_sv_no
a8a597b2 401
31d7d75a 402B::AV
403B_init_av()
404
a8a597b2 405B::CV
406B_main_cv()
407
408B::OP
409B_main_root()
410
411B::OP
412B_main_start()
413
56eca212 414long
415B_amagic_generation()
416
a8a597b2 417B::AV
418B_comppadlist()
419
420B::SV
421B_sv_undef()
422
423B::SV
424B_sv_yes()
425
426B::SV
427B_sv_no()
428
429MODULE = B PACKAGE = B
430
431
432void
433walkoptree(opsv, method)
434 SV * opsv
435 char * method
cea2e8a9 436 CODE:
437 walkoptree(aTHX_ opsv, method);
a8a597b2 438
439int
440walkoptree_debug(...)
441 CODE:
442 RETVAL = walkoptree_debug;
443 if (items > 0 && SvTRUE(ST(1)))
444 walkoptree_debug = 1;
445 OUTPUT:
446 RETVAL
447
56431972 448#define address(sv) PTR2IV(sv)
a8a597b2 449
450IV
451address(sv)
452 SV * sv
453
454B::SV
455svref_2object(sv)
456 SV * sv
457 CODE:
458 if (!SvROK(sv))
459 croak("argument is not a reference");
460 RETVAL = (SV*)SvRV(sv);
461 OUTPUT:
0cc1d052 462 RETVAL
463
464void
465opnumber(name)
466char * name
467CODE:
468{
469 int i;
470 IV result = -1;
471 ST(0) = sv_newmortal();
472 if (strncmp(name,"pp_",3) == 0)
473 name += 3;
474 for (i = 0; i < PL_maxo; i++)
475 {
476 if (strcmp(name, PL_op_name[i]) == 0)
477 {
478 result = i;
479 break;
480 }
481 }
482 sv_setiv(ST(0),result);
483}
a8a597b2 484
485void
486ppname(opnum)
487 int opnum
488 CODE:
489 ST(0) = sv_newmortal();
3280af22 490 if (opnum >= 0 && opnum < PL_maxo) {
a8a597b2 491 sv_setpvn(ST(0), "pp_", 3);
22c35a8c 492 sv_catpv(ST(0), PL_op_name[opnum]);
a8a597b2 493 }
494
495void
496hash(sv)
497 SV * sv
498 CODE:
499 char *s;
500 STRLEN len;
501 U32 hash = 0;
faccc32b 502 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
a8a597b2 503 s = SvPV(sv, len);
cf86991c 504 PERL_HASH(hash, s, len);
faccc32b 505 sprintf(hexhash, "0x%"UVxf, (UV)hash);
a8a597b2 506 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
507
508#define cast_I32(foo) (I32)foo
509IV
510cast_I32(i)
511 IV i
512
513void
514minus_c()
515 CODE:
3280af22 516 PL_minus_c = TRUE;
a8a597b2 517
518SV *
519cstring(sv)
520 SV * sv
cea2e8a9 521 CODE:
522 RETVAL = cstring(aTHX_ sv);
523 OUTPUT:
524 RETVAL
a8a597b2 525
526SV *
527cchar(sv)
528 SV * sv
cea2e8a9 529 CODE:
530 RETVAL = cchar(aTHX_ sv);
531 OUTPUT:
532 RETVAL
a8a597b2 533
534void
535threadsv_names()
536 PPCODE:
537#ifdef USE_THREADS
538 int i;
533c011a 539 STRLEN len = strlen(PL_threadsv_names);
a8a597b2 540
541 EXTEND(sp, len);
542 for (i = 0; i < len; i++)
79cb57f6 543 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
a8a597b2 544#endif
545
546
547#define OP_next(o) o->op_next
548#define OP_sibling(o) o->op_sibling
22c35a8c 549#define OP_desc(o) PL_op_desc[o->op_type]
a8a597b2 550#define OP_targ(o) o->op_targ
551#define OP_type(o) o->op_type
552#define OP_seq(o) o->op_seq
553#define OP_flags(o) o->op_flags
554#define OP_private(o) o->op_private
555
556MODULE = B PACKAGE = B::OP PREFIX = OP_
557
558B::OP
559OP_next(o)
560 B::OP o
561
562B::OP
563OP_sibling(o)
564 B::OP o
565
566char *
3f872cb9 567OP_name(o)
568 B::OP o
569 CODE:
570 ST(0) = sv_newmortal();
571 sv_setpv(ST(0), PL_op_name[o->op_type]);
572
573
574char *
a8a597b2 575OP_ppaddr(o)
576 B::OP o
dc333d64 577 PREINIT:
578 int i;
579 SV *sv = sv_newmortal();
a8a597b2 580 CODE:
dc333d64 581 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
582 sv_catpv(sv, PL_op_name[o->op_type]);
583 for (i=13; i<SvCUR(sv); ++i)
584 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
585 sv_catpv(sv, "]");
586 ST(0) = sv;
a8a597b2 587
588char *
589OP_desc(o)
590 B::OP o
591
7934575e 592PADOFFSET
a8a597b2 593OP_targ(o)
594 B::OP o
595
596U16
597OP_type(o)
598 B::OP o
599
600U16
601OP_seq(o)
602 B::OP o
603
604U8
605OP_flags(o)
606 B::OP o
607
608U8
609OP_private(o)
610 B::OP o
611
612#define UNOP_first(o) o->op_first
613
614MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
615
616B::OP
617UNOP_first(o)
618 B::UNOP o
619
620#define BINOP_last(o) o->op_last
621
622MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
623
624B::OP
625BINOP_last(o)
626 B::BINOP o
627
628#define LOGOP_other(o) o->op_other
629
630MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
631
632B::OP
633LOGOP_other(o)
634 B::LOGOP o
635
a8a597b2 636#define LISTOP_children(o) o->op_children
637
638MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
639
640U32
641LISTOP_children(o)
642 B::LISTOP o
643
644#define PMOP_pmreplroot(o) o->op_pmreplroot
645#define PMOP_pmreplstart(o) o->op_pmreplstart
646#define PMOP_pmnext(o) o->op_pmnext
647#define PMOP_pmregexp(o) o->op_pmregexp
648#define PMOP_pmflags(o) o->op_pmflags
649#define PMOP_pmpermflags(o) o->op_pmpermflags
650
651MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
652
653void
654PMOP_pmreplroot(o)
655 B::PMOP o
656 OP * root = NO_INIT
657 CODE:
658 ST(0) = sv_newmortal();
659 root = o->op_pmreplroot;
660 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
661 if (o->op_type == OP_PUSHRE) {
662 sv_setiv(newSVrv(ST(0), root ?
663 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
56431972 664 PTR2IV(root));
a8a597b2 665 }
666 else {
56431972 667 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
a8a597b2 668 }
669
670B::OP
671PMOP_pmreplstart(o)
672 B::PMOP o
673
674B::PMOP
675PMOP_pmnext(o)
676 B::PMOP o
677
678U16
679PMOP_pmflags(o)
680 B::PMOP o
681
682U16
683PMOP_pmpermflags(o)
684 B::PMOP o
685
686void
687PMOP_precomp(o)
688 B::PMOP o
689 REGEXP * rx = NO_INIT
690 CODE:
691 ST(0) = sv_newmortal();
692 rx = o->op_pmregexp;
693 if (rx)
694 sv_setpvn(ST(0), rx->precomp, rx->prelen);
695
18228111 696#define SVOP_sv(o) cSVOPo->op_sv
065a1863 697#define SVOP_gv(o) ((GV*)cSVOPo->op_sv)
a8a597b2 698
699MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
700
a8a597b2 701B::SV
702SVOP_sv(o)
703 B::SVOP o
704
f22444f5 705B::GV
065a1863 706SVOP_gv(o)
707 B::SVOP o
708
7934575e 709#define PADOP_padix(o) o->op_padix
710#define PADOP_sv(o) (o->op_padix ? PL_curpad[o->op_padix] : Nullsv)
711#define PADOP_gv(o) ((o->op_padix \
712 && SvTYPE(PL_curpad[o->op_padix]) == SVt_PVGV) \
713 ? (GV*)PL_curpad[o->op_padix] : Nullgv)
a8a597b2 714
7934575e 715MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
716
717PADOFFSET
718PADOP_padix(o)
719 B::PADOP o
720
721B::SV
722PADOP_sv(o)
723 B::PADOP o
a8a597b2 724
725B::GV
7934575e 726PADOP_gv(o)
727 B::PADOP o
a8a597b2 728
729MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
730
731void
732PVOP_pv(o)
733 B::PVOP o
734 CODE:
735 /*
736 * OP_TRANS uses op_pv to point to a table of 256 shorts
737 * whereas other PVOPs point to a null terminated string.
738 */
739 ST(0) = sv_2mortal(newSVpv(o->op_pv, (o->op_type == OP_TRANS) ?
740 256 * sizeof(short) : 0));
741
742#define LOOP_redoop(o) o->op_redoop
743#define LOOP_nextop(o) o->op_nextop
744#define LOOP_lastop(o) o->op_lastop
745
746MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
747
748
749B::OP
750LOOP_redoop(o)
751 B::LOOP o
752
753B::OP
754LOOP_nextop(o)
755 B::LOOP o
756
757B::OP
758LOOP_lastop(o)
759 B::LOOP o
760
761#define COP_label(o) o->cop_label
11faa288 762#define COP_stashpv(o) CopSTASHPV(o)
763#define COP_stash(o) CopSTASH(o)
57843af0 764#define COP_file(o) CopFILE(o)
a8a597b2 765#define COP_cop_seq(o) o->cop_seq
766#define COP_arybase(o) o->cop_arybase
57843af0 767#define COP_line(o) CopLINE(o)
b295d113 768#define COP_warnings(o) o->cop_warnings
a8a597b2 769
770MODULE = B PACKAGE = B::COP PREFIX = COP_
771
772char *
773COP_label(o)
774 B::COP o
775
11faa288 776char *
777COP_stashpv(o)
778 B::COP o
779
a8a597b2 780B::HV
781COP_stash(o)
782 B::COP o
783
57843af0 784char *
785COP_file(o)
a8a597b2 786 B::COP o
787
788U32
789COP_cop_seq(o)
790 B::COP o
791
792I32
793COP_arybase(o)
794 B::COP o
795
796U16
797COP_line(o)
798 B::COP o
799
b295d113 800B::SV
801COP_warnings(o)
802 B::COP o
803
a8a597b2 804MODULE = B PACKAGE = B::SV PREFIX = Sv
805
806U32
807SvREFCNT(sv)
808 B::SV sv
809
810U32
811SvFLAGS(sv)
812 B::SV sv
813
814MODULE = B PACKAGE = B::IV PREFIX = Sv
815
816IV
817SvIV(sv)
818 B::IV sv
819
820IV
821SvIVX(sv)
822 B::IV sv
823
0ca04487 824UV
825SvUVX(sv)
826 B::IV sv
827
828
a8a597b2 829MODULE = B PACKAGE = B::IV
830
831#define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
832
833int
834needs64bits(sv)
835 B::IV sv
836
837void
838packiv(sv)
839 B::IV sv
840 CODE:
841 if (sizeof(IV) == 8) {
842 U32 wp[2];
843 IV iv = SvIVX(sv);
844 /*
845 * The following way of spelling 32 is to stop compilers on
846 * 32-bit architectures from moaning about the shift count
847 * being >= the width of the type. Such architectures don't
848 * reach this code anyway (unless sizeof(IV) > 8 but then
849 * everything else breaks too so I'm not fussed at the moment).
850 */
42718184 851#ifdef UV_IS_QUAD
852 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
853#else
854 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
855#endif
a8a597b2 856 wp[1] = htonl(iv & 0xffffffff);
79cb57f6 857 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
a8a597b2 858 } else {
859 U32 w = htonl((U32)SvIVX(sv));
79cb57f6 860 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
a8a597b2 861 }
862
863MODULE = B PACKAGE = B::NV PREFIX = Sv
864
865double
866SvNV(sv)
867 B::NV sv
868
869double
870SvNVX(sv)
871 B::NV sv
872
873MODULE = B PACKAGE = B::RV PREFIX = Sv
874
875B::SV
876SvRV(sv)
877 B::RV sv
878
879MODULE = B PACKAGE = B::PV PREFIX = Sv
880
881void
882SvPV(sv)
883 B::PV sv
884 CODE:
885 ST(0) = sv_newmortal();
886 sv_setpvn(ST(0), SvPVX(sv), SvCUR(sv));
887
445a12f6 888STRLEN
889SvLEN(sv)
890 B::PV sv
891
892STRLEN
893SvCUR(sv)
894 B::PV sv
895
a8a597b2 896MODULE = B PACKAGE = B::PVMG PREFIX = Sv
897
898void
899SvMAGIC(sv)
900 B::PVMG sv
901 MAGIC * mg = NO_INIT
902 PPCODE:
903 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
cea2e8a9 904 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
a8a597b2 905
906MODULE = B PACKAGE = B::PVMG
907
908B::HV
909SvSTASH(sv)
910 B::PVMG sv
911
912#define MgMOREMAGIC(mg) mg->mg_moremagic
913#define MgPRIVATE(mg) mg->mg_private
914#define MgTYPE(mg) mg->mg_type
915#define MgFLAGS(mg) mg->mg_flags
916#define MgOBJ(mg) mg->mg_obj
88b39979 917#define MgLENGTH(mg) mg->mg_len
a8a597b2 918
919MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
920
921B::MAGIC
922MgMOREMAGIC(mg)
923 B::MAGIC mg
924
925U16
926MgPRIVATE(mg)
927 B::MAGIC mg
928
929char
930MgTYPE(mg)
931 B::MAGIC mg
932
933U8
934MgFLAGS(mg)
935 B::MAGIC mg
936
937B::SV
938MgOBJ(mg)
939 B::MAGIC mg
940
88b39979 941I32
942MgLENGTH(mg)
943 B::MAGIC mg
944
a8a597b2 945void
946MgPTR(mg)
947 B::MAGIC mg
948 CODE:
949 ST(0) = sv_newmortal();
88b39979 950 if (mg->mg_ptr){
951 if (mg->mg_len >= 0){
952 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
953 } else {
954 if (mg->mg_len == HEf_SVKEY)
955 sv_setsv(ST(0),newRV((SV*)mg->mg_ptr));
956 }
957 }
a8a597b2 958
959MODULE = B PACKAGE = B::PVLV PREFIX = Lv
960
961U32
962LvTARGOFF(sv)
963 B::PVLV sv
964
965U32
966LvTARGLEN(sv)
967 B::PVLV sv
968
969char
970LvTYPE(sv)
971 B::PVLV sv
972
973B::SV
974LvTARG(sv)
975 B::PVLV sv
976
977MODULE = B PACKAGE = B::BM PREFIX = Bm
978
979I32
980BmUSEFUL(sv)
981 B::BM sv
982
983U16
984BmPREVIOUS(sv)
985 B::BM sv
986
987U8
988BmRARE(sv)
989 B::BM sv
990
991void
992BmTABLE(sv)
993 B::BM sv
994 STRLEN len = NO_INIT
995 char * str = NO_INIT
996 CODE:
997 str = SvPV(sv, len);
998 /* Boyer-Moore table is just after string and its safety-margin \0 */
79cb57f6 999 ST(0) = sv_2mortal(newSVpvn(str + len + 1, 256));
a8a597b2 1000
1001MODULE = B PACKAGE = B::GV PREFIX = Gv
1002
1003void
1004GvNAME(gv)
1005 B::GV gv
1006 CODE:
79cb57f6 1007 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
a8a597b2 1008
87d7fd28 1009bool
1010is_empty(gv)
1011 B::GV gv
1012 CODE:
1013 RETVAL = GvGP(gv) == Null(GP*);
1014 OUTPUT:
1015 RETVAL
1016
a8a597b2 1017B::HV
1018GvSTASH(gv)
1019 B::GV gv
1020
1021B::SV
1022GvSV(gv)
1023 B::GV gv
1024
1025B::IO
1026GvIO(gv)
1027 B::GV gv
1028
1029B::CV
1030GvFORM(gv)
1031 B::GV gv
1032
1033B::AV
1034GvAV(gv)
1035 B::GV gv
1036
1037B::HV
1038GvHV(gv)
1039 B::GV gv
1040
1041B::GV
1042GvEGV(gv)
1043 B::GV gv
1044
1045B::CV
1046GvCV(gv)
1047 B::GV gv
1048
1049U32
1050GvCVGEN(gv)
1051 B::GV gv
1052
1053U16
1054GvLINE(gv)
1055 B::GV gv
1056
b195d487 1057char *
1058GvFILE(gv)
1059 B::GV gv
1060
a8a597b2 1061B::GV
1062GvFILEGV(gv)
1063 B::GV gv
1064
1065MODULE = B PACKAGE = B::GV
1066
1067U32
1068GvREFCNT(gv)
1069 B::GV gv
1070
1071U8
1072GvFLAGS(gv)
1073 B::GV gv
1074
1075MODULE = B PACKAGE = B::IO PREFIX = Io
1076
1077long
1078IoLINES(io)
1079 B::IO io
1080
1081long
1082IoPAGE(io)
1083 B::IO io
1084
1085long
1086IoPAGE_LEN(io)
1087 B::IO io
1088
1089long
1090IoLINES_LEFT(io)
1091 B::IO io
1092
1093char *
1094IoTOP_NAME(io)
1095 B::IO io
1096
1097B::GV
1098IoTOP_GV(io)
1099 B::IO io
1100
1101char *
1102IoFMT_NAME(io)
1103 B::IO io
1104
1105B::GV
1106IoFMT_GV(io)
1107 B::IO io
1108
1109char *
1110IoBOTTOM_NAME(io)
1111 B::IO io
1112
1113B::GV
1114IoBOTTOM_GV(io)
1115 B::IO io
1116
1117short
1118IoSUBPROCESS(io)
1119 B::IO io
1120
1121MODULE = B PACKAGE = B::IO
1122
1123char
1124IoTYPE(io)
1125 B::IO io
1126
1127U8
1128IoFLAGS(io)
1129 B::IO io
1130
1131MODULE = B PACKAGE = B::AV PREFIX = Av
1132
1133SSize_t
1134AvFILL(av)
1135 B::AV av
1136
1137SSize_t
1138AvMAX(av)
1139 B::AV av
1140
1141#define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1142
1143IV
1144AvOFF(av)
1145 B::AV av
1146
1147void
1148AvARRAY(av)
1149 B::AV av
1150 PPCODE:
1151 if (AvFILL(av) >= 0) {
1152 SV **svp = AvARRAY(av);
1153 I32 i;
1154 for (i = 0; i <= AvFILL(av); i++)
cea2e8a9 1155 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
a8a597b2 1156 }
1157
1158MODULE = B PACKAGE = B::AV
1159
1160U8
1161AvFLAGS(av)
1162 B::AV av
1163
1164MODULE = B PACKAGE = B::CV PREFIX = Cv
1165
1166B::HV
1167CvSTASH(cv)
1168 B::CV cv
1169
1170B::OP
1171CvSTART(cv)
1172 B::CV cv
1173
1174B::OP
1175CvROOT(cv)
1176 B::CV cv
1177
1178B::GV
1179CvGV(cv)
1180 B::CV cv
1181
57843af0 1182char *
1183CvFILE(cv)
1184 B::CV cv
1185
a8a597b2 1186long
1187CvDEPTH(cv)
1188 B::CV cv
1189
1190B::AV
1191CvPADLIST(cv)
1192 B::CV cv
1193
1194B::CV
1195CvOUTSIDE(cv)
1196 B::CV cv
1197
1198void
1199CvXSUB(cv)
1200 B::CV cv
1201 CODE:
56431972 1202 ST(0) = sv_2mortal(newSViv(PTR2IV(CvXSUB(cv))));
a8a597b2 1203
1204
1205void
1206CvXSUBANY(cv)
1207 B::CV cv
1208 CODE:
1209 ST(0) = sv_2mortal(newSViv(CvXSUBANY(cv).any_iv));
1210
5cfd8ad4 1211MODULE = B PACKAGE = B::CV
1212
1213U8
1214CvFLAGS(cv)
1215 B::CV cv
1216
1217
a8a597b2 1218MODULE = B PACKAGE = B::HV PREFIX = Hv
1219
1220STRLEN
1221HvFILL(hv)
1222 B::HV hv
1223
1224STRLEN
1225HvMAX(hv)
1226 B::HV hv
1227
1228I32
1229HvKEYS(hv)
1230 B::HV hv
1231
1232I32
1233HvRITER(hv)
1234 B::HV hv
1235
1236char *
1237HvNAME(hv)
1238 B::HV hv
1239
1240B::PMOP
1241HvPMROOT(hv)
1242 B::HV hv
1243
1244void
1245HvARRAY(hv)
1246 B::HV hv
1247 PPCODE:
1248 if (HvKEYS(hv) > 0) {
1249 SV *sv;
1250 char *key;
1251 I32 len;
1252 (void)hv_iterinit(hv);
1253 EXTEND(sp, HvKEYS(hv) * 2);
1254 while (sv = hv_iternextsv(hv, &key, &len)) {
79cb57f6 1255 PUSHs(newSVpvn(key, len));
cea2e8a9 1256 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
a8a597b2 1257 }
1258 }
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