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a8a597b2
MB		 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
MB		 11#include "EXTERN.h"
12#include "perl.h"
13#include "XSUB.h"
a8a597b2 14
51aa15f3 15#ifdef PERL_OBJECT
22c35a8c
GS		 16#undef PL_op_name
17#undef PL_opargs
18#undef PL_op_desc
0cb96387
GS		 19#define PL_op_name (get_op_names())
20#define PL_opargs (get_opargs())
21#define PL_op_desc (get_op_descs())
51aa15f3
GS		 22#endif
23
24#ifdef PerlIO
25typedef PerlIO * InputStream;
26#else
27typedef FILE * InputStream;
28#endif
29
30
a8a597b2
MB		 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
SM		 56 OPc_LISTOP, /* 5 */
57 OPc_PMOP, /* 6 */
58 OPc_SVOP, /* 7 */
7934575e 59 OPc_PADOP, /* 8 */
1a67a97c
SM		 60 OPc_PVOP, /* 9 */
61 OPc_CVOP, /* 10 */
62 OPc_LOOP, /* 11 */
63 OPc_COP /* 12 */
a8a597b2
MB		 64} opclass;
65
66static char *opclassnames[] = {
67 "B::NULL",
68 "B::OP",
69 "B::UNOP",
70 "B::BINOP",
71 "B::LOGOP",
a8a597b2
MB		 72 "B::LISTOP",
73 "B::PMOP",
74 "B::SVOP",
7934575e 75 "B::PADOP",
a8a597b2
MB		 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
TH		 84static SV *specialsv_list[4];
85
a8a597b2 86static opclass
cea2e8a9 87cc_opclass(pTHX_ OP *o)
a8a597b2
MB		 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
22c35a8c 98 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
a8a597b2
MB		 99 case OA_BASEOP:
100 return OPc_BASEOP;
101
102 case OA_UNOP:
103 return OPc_UNOP;
104
105 case OA_BINOP:
106 return OPc_BINOP;
107
108 case OA_LOGOP:
109 return OPc_LOGOP;
110
a8a597b2
MB		 111 case OA_LISTOP:
112 return OPc_LISTOP;
113
114 case OA_PMOP:
115 return OPc_PMOP;
116
117 case OA_SVOP:
118 return OPc_SVOP;
119
7934575e
GS		 120 case OA_PADOP:
121 return OPc_PADOP;
a8a597b2 122
293d3ffa
SM		 123 case OA_PVOP_OR_SVOP:
124 /*
125 * Character translations (tr///) are usually a PVOP, keeping a
126 * pointer to a table of shorts used to look up translations.
127 * Under utf8, however, a simple table isn't practical; instead,
128 * the OP is an SVOP, and the SV is a reference to a swash
129 * (i.e., an RV pointing to an HV).
130 */
131 return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
132 ? OPc_SVOP : OPc_PVOP;
a8a597b2
MB		 133
134 case OA_LOOP:
135 return OPc_LOOP;
136
137 case OA_COP:
138 return OPc_COP;
139
140 case OA_BASEOP_OR_UNOP:
141 /*
142 * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on
45f6cd40
SM		 143 * whether parens were seen. perly.y uses OPf_SPECIAL to
144 * signal whether a BASEOP had empty parens or none.
145 * Some other UNOPs are created later, though, so the best
146 * test is OPf_KIDS, which is set in newUNOP.
a8a597b2 147 */
45f6cd40 148 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
a8a597b2
MB		 149
150 case OA_FILESTATOP:
151 /*
152 * The file stat OPs are created via UNI(OP_foo) in toke.c but use
153 * the OPf_REF flag to distinguish between OP types instead of the
154 * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we
155 * return OPc_UNOP so that walkoptree can find our children. If
156 * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set
157 * (no argument to the operator) it's an OP; with OPf_REF set it's
7934575e 158 * an SVOP (and op_sv is the GV for the filehandle argument).
a8a597b2
MB		 159 */
160 return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
7934575e 161 (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP);
a8a597b2
MB		 162
163 case OA_LOOPEXOP:
164 /*
165 * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
166 * label was omitted (in which case it's a BASEOP) or else a term was
167 * seen. In this last case, all except goto are definitely PVOP but
168 * goto is either a PVOP (with an ordinary constant label), an UNOP
169 * with OPf_STACKED (with a non-constant non-sub) or an UNOP for
170 * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
171 * get set.
172 */
173 if (o->op_flags & OPf_STACKED)
174 return OPc_UNOP;
175 else if (o->op_flags & OPf_SPECIAL)
176 return OPc_BASEOP;
177 else
178 return OPc_PVOP;
179 }
180 warn("can't determine class of operator %s, assuming BASEOP\n",
22c35a8c 181 PL_op_name[o->op_type]);
a8a597b2
MB		 182 return OPc_BASEOP;
183}
184
185static char *
cea2e8a9 186cc_opclassname(pTHX_ OP *o)
a8a597b2 187{
cea2e8a9 188 return opclassnames[cc_opclass(aTHX_ o)];
a8a597b2
MB		 189}
190
191static SV *
cea2e8a9 192make_sv_object(pTHX_ SV *arg, SV *sv)
a8a597b2
MB		 193{
194 char *type = 0;
195 IV iv;
196
e8edd1e6
TH		 197 for (iv = 0; iv < sizeof(specialsv_list)/sizeof(SV*); iv++) {
198 if (sv == specialsv_list[iv]) {
a8a597b2
MB		 199 type = "B::SPECIAL";
200 break;
201 }
202 }
203 if (!type) {
204 type = svclassnames[SvTYPE(sv)];
56431972 205 iv = PTR2IV(sv);
a8a597b2
MB		 206 }
207 sv_setiv(newSVrv(arg, type), iv);
208 return arg;
209}
210
211static SV *
cea2e8a9 212make_mg_object(pTHX_ SV *arg, MAGIC *mg)
a8a597b2 213{
56431972 214 sv_setiv(newSVrv(arg, "B::MAGIC"), PTR2IV(mg));
a8a597b2
MB		 215 return arg;
216}
217
218static SV *
cea2e8a9 219cstring(pTHX_ SV *sv)
a8a597b2 220{
79cb57f6 221 SV *sstr = newSVpvn("", 0);
a8a597b2
MB		 222 STRLEN len;
223 char *s;
224
225 if (!SvOK(sv))
226 sv_setpvn(sstr, "0", 1);
227 else
228 {
229 /* XXX Optimise? */
230 s = SvPV(sv, len);
231 sv_catpv(sstr, "\"");
232 for (; len; len--, s++)
233 {
234 /* At least try a little for readability */
235 if (*s == '"')
236 sv_catpv(sstr, "\\\"");
237 else if (*s == '\\')
238 sv_catpv(sstr, "\\\\");
239 else if (*s >= ' ' && *s < 127) /* XXX not portable */
240 sv_catpvn(sstr, s, 1);
241 else if (*s == '\n')
242 sv_catpv(sstr, "\\n");
243 else if (*s == '\r')
244 sv_catpv(sstr, "\\r");
245 else if (*s == '\t')
246 sv_catpv(sstr, "\\t");
247 else if (*s == '\a')
248 sv_catpv(sstr, "\\a");
249 else if (*s == '\b')
250 sv_catpv(sstr, "\\b");
251 else if (*s == '\f')
252 sv_catpv(sstr, "\\f");
253 else if (*s == '\v')
254 sv_catpv(sstr, "\\v");
255 else
256 {
257 /* no trigraph support */
258 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
259 /* Don't want promotion of a signed -1 char in sprintf args */
260 unsigned char c = (unsigned char) *s;
261 sprintf(escbuff, "\\%03o", c);
262 sv_catpv(sstr, escbuff);
263 }
264 /* XXX Add line breaks if string is long */
265 }
266 sv_catpv(sstr, "\"");
267 }
268 return sstr;
269}
270
271static SV *
cea2e8a9 272cchar(pTHX_ SV *sv)
a8a597b2 273{
79cb57f6 274 SV *sstr = newSVpvn("'", 1);
2d8e6c8d
GS		 275 STRLEN n_a;
276 char *s = SvPV(sv, n_a);
a8a597b2
MB		 277
278 if (*s == '\'')
279 sv_catpv(sstr, "\\'");
280 else if (*s == '\\')
281 sv_catpv(sstr, "\\\\");
282 else if (*s >= ' ' && *s < 127) /* XXX not portable */
283 sv_catpvn(sstr, s, 1);
284 else if (*s == '\n')
285 sv_catpv(sstr, "\\n");
286 else if (*s == '\r')
287 sv_catpv(sstr, "\\r");
288 else if (*s == '\t')
289 sv_catpv(sstr, "\\t");
290 else if (*s == '\a')
291 sv_catpv(sstr, "\\a");
292 else if (*s == '\b')
293 sv_catpv(sstr, "\\b");
294 else if (*s == '\f')
295 sv_catpv(sstr, "\\f");
296 else if (*s == '\v')
297 sv_catpv(sstr, "\\v");
298 else
299 {
300 /* no trigraph support */
301 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
302 /* Don't want promotion of a signed -1 char in sprintf args */
303 unsigned char c = (unsigned char) *s;
304 sprintf(escbuff, "\\%03o", c);
305 sv_catpv(sstr, escbuff);
306 }
307 sv_catpv(sstr, "'");
308 return sstr;
309}
310
a8a597b2 311void
cea2e8a9 312walkoptree(pTHX_ SV *opsv, char *method)
a8a597b2
MB		 313{
314 dSP;
315 OP *o;
316
317 if (!SvROK(opsv))
318 croak("opsv is not a reference");
319 opsv = sv_mortalcopy(opsv);
56431972 320 o = INT2PTR(OP*,SvIV((SV*)SvRV(opsv)));
a8a597b2
MB		 321 if (walkoptree_debug) {
322 PUSHMARK(sp);
323 XPUSHs(opsv);
324 PUTBACK;
325 perl_call_method("walkoptree_debug", G_DISCARD);
326 }
327 PUSHMARK(sp);
328 XPUSHs(opsv);
329 PUTBACK;
330 perl_call_method(method, G_DISCARD);
331 if (o && (o->op_flags & OPf_KIDS)) {
332 OP *kid;
333 for (kid = ((UNOP*)o)->op_first; kid; kid = kid->op_sibling) {
334 /* Use the same opsv. Rely on methods not to mess it up. */
56431972 335 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
cea2e8a9 336 walkoptree(aTHX_ opsv, method);
a8a597b2
MB		 337 }
338 }
339}
340
341typedef OP *B__OP;
342typedef UNOP *B__UNOP;
343typedef BINOP *B__BINOP;
344typedef LOGOP *B__LOGOP;
a8a597b2
MB		 345typedef LISTOP *B__LISTOP;
346typedef PMOP *B__PMOP;
347typedef SVOP *B__SVOP;
7934575e 348typedef PADOP *B__PADOP;
a8a597b2
MB		 349typedef PVOP *B__PVOP;
350typedef LOOP *B__LOOP;
351typedef COP *B__COP;
352
353typedef SV *B__SV;
354typedef SV *B__IV;
355typedef SV *B__PV;
356typedef SV *B__NV;
357typedef SV *B__PVMG;
358typedef SV *B__PVLV;
359typedef SV *B__BM;
360typedef SV *B__RV;
361typedef AV *B__AV;
362typedef HV *B__HV;
363typedef CV *B__CV;
364typedef GV *B__GV;
365typedef IO *B__IO;
366
367typedef MAGIC *B__MAGIC;
368
369MODULE = B PACKAGE = B PREFIX = B_
370
371PROTOTYPES: DISABLE
372
373BOOT:
4c1f658f
NIS		 374{
375 HV *stash = gv_stashpvn("B", 1, TRUE);
376 AV *export_ok = perl_get_av("B::EXPORT_OK",TRUE);
e8edd1e6
TH		 377 specialsv_list[0] = Nullsv;
378 specialsv_list[1] = &PL_sv_undef;
379 specialsv_list[2] = &PL_sv_yes;
380 specialsv_list[3] = &PL_sv_no;
4c1f658f
NIS		 381#include "defsubs.h"
382}
a8a597b2 383
3280af22 384#define B_main_cv() PL_main_cv
31d7d75a 385#define B_init_av() PL_initav
3280af22
NIS		 386#define B_main_root() PL_main_root
387#define B_main_start() PL_main_start
56eca212 388#define B_amagic_generation() PL_amagic_generation
3280af22
NIS		 389#define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
390#define B_sv_undef() &PL_sv_undef
391#define B_sv_yes() &PL_sv_yes
392#define B_sv_no() &PL_sv_no
a8a597b2 393
31d7d75a
NIS		 394B::AV
395B_init_av()
396
a8a597b2
MB		 397B::CV
398B_main_cv()
399
400B::OP
401B_main_root()
402
403B::OP
404B_main_start()
405
56eca212
GS		 406long
407B_amagic_generation()
408
a8a597b2
MB		 409B::AV
410B_comppadlist()
411
412B::SV
413B_sv_undef()
414
415B::SV
416B_sv_yes()
417
418B::SV
419B_sv_no()
420
421MODULE = B PACKAGE = B
422
423
424void
425walkoptree(opsv, method)
426 SV * opsv
427 char * method
cea2e8a9
GS		 428 CODE:
429 walkoptree(aTHX_ opsv, method);
a8a597b2
MB		 430
431int
432walkoptree_debug(...)
433 CODE:
434 RETVAL = walkoptree_debug;
435 if (items > 0 && SvTRUE(ST(1)))
436 walkoptree_debug = 1;
437 OUTPUT:
438 RETVAL
439
56431972 440#define address(sv) PTR2IV(sv)
a8a597b2
MB		 441
442IV
443address(sv)
444 SV * sv
445
446B::SV
447svref_2object(sv)
448 SV * sv
449 CODE:
450 if (!SvROK(sv))
451 croak("argument is not a reference");
452 RETVAL = (SV*)SvRV(sv);
453 OUTPUT:
0cc1d052
NIS		 454 RETVAL
455
456void
457opnumber(name)
458char * name
459CODE:
460{
461 int i;
462 IV result = -1;
463 ST(0) = sv_newmortal();
464 if (strncmp(name,"pp_",3) == 0)
465 name += 3;
466 for (i = 0; i < PL_maxo; i++)
467 {
468 if (strcmp(name, PL_op_name[i]) == 0)
469 {
470 result = i;
471 break;
472 }
473 }
474 sv_setiv(ST(0),result);
475}
a8a597b2
MB		 476
477void
478ppname(opnum)
479 int opnum
480 CODE:
481 ST(0) = sv_newmortal();
3280af22 482 if (opnum >= 0 && opnum < PL_maxo) {
a8a597b2 483 sv_setpvn(ST(0), "pp_", 3);
22c35a8c 484 sv_catpv(ST(0), PL_op_name[opnum]);
a8a597b2
MB		 485 }
486
487void
488hash(sv)
489 SV * sv
490 CODE:
491 char *s;
492 STRLEN len;
493 U32 hash = 0;
faccc32b 494 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
a8a597b2 495 s = SvPV(sv, len);
cf86991c 496 PERL_HASH(hash, s, len);
faccc32b 497 sprintf(hexhash, "0x%"UVxf, (UV)hash);
a8a597b2
MB		 498 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
499
500#define cast_I32(foo) (I32)foo
501IV
502cast_I32(i)
503 IV i
504
505void
506minus_c()
507 CODE:
3280af22 508 PL_minus_c = TRUE;
a8a597b2
MB		 509
510SV *
511cstring(sv)
512 SV * sv
cea2e8a9
GS		 513 CODE:
514 RETVAL = cstring(aTHX_ sv);
515 OUTPUT:
516 RETVAL
a8a597b2
MB		 517
518SV *
519cchar(sv)
520 SV * sv
cea2e8a9
GS		 521 CODE:
522 RETVAL = cchar(aTHX_ sv);
523 OUTPUT:
524 RETVAL
a8a597b2
MB		 525
526void
527threadsv_names()
528 PPCODE:
529#ifdef USE_THREADS
530 int i;
533c011a 531 STRLEN len = strlen(PL_threadsv_names);
a8a597b2
MB		 532
533 EXTEND(sp, len);
534 for (i = 0; i < len; i++)
79cb57f6 535 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
a8a597b2
MB		 536#endif
537
538
539#define OP_next(o) o->op_next
540#define OP_sibling(o) o->op_sibling
22c35a8c 541#define OP_desc(o) PL_op_desc[o->op_type]
a8a597b2
MB		 542#define OP_targ(o) o->op_targ
543#define OP_type(o) o->op_type
544#define OP_seq(o) o->op_seq
545#define OP_flags(o) o->op_flags
546#define OP_private(o) o->op_private
547
548MODULE = B PACKAGE = B::OP PREFIX = OP_
549
550B::OP
551OP_next(o)
552 B::OP o
553
554B::OP
555OP_sibling(o)
556 B::OP o
557
558char *
3f872cb9
GS		 559OP_name(o)
560 B::OP o
561 CODE:
562 ST(0) = sv_newmortal();
563 sv_setpv(ST(0), PL_op_name[o->op_type]);
564
565
566char *
a8a597b2
MB		 567OP_ppaddr(o)
568 B::OP o
dc333d64
GS		 569 PREINIT:
570 int i;
571 SV *sv = sv_newmortal();
a8a597b2 572 CODE:
dc333d64
GS		 573 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
574 sv_catpv(sv, PL_op_name[o->op_type]);
575 for (i=13; i<SvCUR(sv); ++i)
576 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
577 sv_catpv(sv, "]");
578 ST(0) = sv;
a8a597b2
MB		 579
580char *
581OP_desc(o)
582 B::OP o
583
7934575e 584PADOFFSET
a8a597b2
MB		 585OP_targ(o)
586 B::OP o
587
588U16
589OP_type(o)
590 B::OP o
591
592U16
593OP_seq(o)
594 B::OP o
595
596U8
597OP_flags(o)
598 B::OP o
599
600U8
601OP_private(o)
602 B::OP o
603
604#define UNOP_first(o) o->op_first
605
606MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
607
608B::OP
609UNOP_first(o)
610 B::UNOP o
611
612#define BINOP_last(o) o->op_last
613
614MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
615
616B::OP
617BINOP_last(o)
618 B::BINOP o
619
620#define LOGOP_other(o) o->op_other
621
622MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
623
624B::OP
625LOGOP_other(o)
626 B::LOGOP o
627
a8a597b2
MB		 628#define LISTOP_children(o) o->op_children
629
630MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
631
632U32
633LISTOP_children(o)
634 B::LISTOP o
635
636#define PMOP_pmreplroot(o) o->op_pmreplroot
637#define PMOP_pmreplstart(o) o->op_pmreplstart
638#define PMOP_pmnext(o) o->op_pmnext
639#define PMOP_pmregexp(o) o->op_pmregexp
640#define PMOP_pmflags(o) o->op_pmflags
641#define PMOP_pmpermflags(o) o->op_pmpermflags
642
643MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
644
645void
646PMOP_pmreplroot(o)
647 B::PMOP o
648 OP * root = NO_INIT
649 CODE:
650 ST(0) = sv_newmortal();
651 root = o->op_pmreplroot;
652 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
653 if (o->op_type == OP_PUSHRE) {
654 sv_setiv(newSVrv(ST(0), root ?
655 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
56431972 656 PTR2IV(root));
a8a597b2
MB		 657 }
658 else {
56431972 659 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
a8a597b2
MB		 660 }
661
662B::OP
663PMOP_pmreplstart(o)
664 B::PMOP o
665
666B::PMOP
667PMOP_pmnext(o)
668 B::PMOP o
669
670U16
671PMOP_pmflags(o)
672 B::PMOP o
673
674U16
675PMOP_pmpermflags(o)
676 B::PMOP o
677
678void
679PMOP_precomp(o)
680 B::PMOP o
681 REGEXP * rx = NO_INIT
682 CODE:
683 ST(0) = sv_newmortal();
684 rx = o->op_pmregexp;
685 if (rx)
686 sv_setpvn(ST(0), rx->precomp, rx->prelen);
687
562d31b8
GS		 688#define SVOP_sv(o) cSVOPx_sv(o)
689#define SVOP_gv(o) cGVOPx_gv(o)
a8a597b2
MB		 690
691MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
692
a8a597b2
MB		 693B::SV
694SVOP_sv(o)
695 B::SVOP o
696
7934575e
GS		 697B::GV
698SVOP_gv(o)
699 B::SVOP o
a8a597b2 700
7934575e
GS		 701#define PADOP_padix(o) o->op_padix
702#define PADOP_sv(o) (o->op_padix ? PL_curpad[o->op_padix] : Nullsv)
703#define PADOP_gv(o) ((o->op_padix \
704 && SvTYPE(PL_curpad[o->op_padix]) == SVt_PVGV) \
705 ? (GV*)PL_curpad[o->op_padix] : Nullgv)
a8a597b2 706
7934575e
GS		 707MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
708
709PADOFFSET
710PADOP_padix(o)
711 B::PADOP o
712
713B::SV
714PADOP_sv(o)
715 B::PADOP o
a8a597b2
MB		 716
717B::GV
7934575e
GS		 718PADOP_gv(o)
719 B::PADOP o
a8a597b2
MB		 720
721MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
722
723void
724PVOP_pv(o)
725 B::PVOP o
726 CODE:
727 /*
728 * OP_TRANS uses op_pv to point to a table of 256 shorts
729 * whereas other PVOPs point to a null terminated string.
730 */
731 ST(0) = sv_2mortal(newSVpv(o->op_pv, (o->op_type == OP_TRANS) ?
732 256 * sizeof(short) : 0));
733
734#define LOOP_redoop(o) o->op_redoop
735#define LOOP_nextop(o) o->op_nextop
736#define LOOP_lastop(o) o->op_lastop
737
738MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
739
740
741B::OP
742LOOP_redoop(o)
743 B::LOOP o
744
745B::OP
746LOOP_nextop(o)
747 B::LOOP o
748
749B::OP
750LOOP_lastop(o)
751 B::LOOP o
752
753#define COP_label(o) o->cop_label
11faa288
GS		 754#define COP_stashpv(o) CopSTASHPV(o)
755#define COP_stash(o) CopSTASH(o)
57843af0 756#define COP_file(o) CopFILE(o)
a8a597b2
MB		 757#define COP_cop_seq(o) o->cop_seq
758#define COP_arybase(o) o->cop_arybase
57843af0 759#define COP_line(o) CopLINE(o)
b295d113 760#define COP_warnings(o) o->cop_warnings
a8a597b2
MB		 761
762MODULE = B PACKAGE = B::COP PREFIX = COP_
763
764char *
765COP_label(o)
766 B::COP o
767
11faa288
GS		 768char *
769COP_stashpv(o)
770 B::COP o
771
a8a597b2
MB		 772B::HV
773COP_stash(o)
774 B::COP o
775
57843af0
GS		 776char *
777COP_file(o)
a8a597b2
MB		 778 B::COP o
779
780U32
781COP_cop_seq(o)
782 B::COP o
783
784I32
785COP_arybase(o)
786 B::COP o
787
788U16
789COP_line(o)
790 B::COP o
791
b295d113
TH		 792B::SV
793COP_warnings(o)
794 B::COP o
795
a8a597b2
MB		 796MODULE = B PACKAGE = B::SV PREFIX = Sv
797
798U32
799SvREFCNT(sv)
800 B::SV sv
801
802U32
803SvFLAGS(sv)
804 B::SV sv
805
806MODULE = B PACKAGE = B::IV PREFIX = Sv
807
808IV
809SvIV(sv)
810 B::IV sv
811
812IV
813SvIVX(sv)
814 B::IV sv
815
0ca04487
VB		 816UV
817SvUVX(sv)
818 B::IV sv
819
820
a8a597b2
MB		 821MODULE = B PACKAGE = B::IV
822
823#define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
824
825int
826needs64bits(sv)
827 B::IV sv
828
829void
830packiv(sv)
831 B::IV sv
832 CODE:
833 if (sizeof(IV) == 8) {
834 U32 wp[2];
835 IV iv = SvIVX(sv);
836 /*
837 * The following way of spelling 32 is to stop compilers on
838 * 32-bit architectures from moaning about the shift count
839 * being >= the width of the type. Such architectures don't
840 * reach this code anyway (unless sizeof(IV) > 8 but then
841 * everything else breaks too so I'm not fussed at the moment).
842 */
42718184
RB		 843#ifdef UV_IS_QUAD
844 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
845#else
846 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
847#endif
a8a597b2 848 wp[1] = htonl(iv & 0xffffffff);
79cb57f6 849 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
a8a597b2
MB		 850 } else {
851 U32 w = htonl((U32)SvIVX(sv));
79cb57f6 852 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
a8a597b2
MB		 853 }
854
855MODULE = B PACKAGE = B::NV PREFIX = Sv
856
857double
858SvNV(sv)
859 B::NV sv
860
861double
862SvNVX(sv)
863 B::NV sv
864
865MODULE = B PACKAGE = B::RV PREFIX = Sv
866
867B::SV
868SvRV(sv)
869 B::RV sv
870
871MODULE = B PACKAGE = B::PV PREFIX = Sv
872
873void
874SvPV(sv)
875 B::PV sv
876 CODE:
877 ST(0) = sv_newmortal();
878 sv_setpvn(ST(0), SvPVX(sv), SvCUR(sv));
879
445a12f6
DM		 880STRLEN
881SvLEN(sv)
882 B::PV sv
883
884STRLEN
885SvCUR(sv)
886 B::PV sv
887
a8a597b2
MB		 888MODULE = B PACKAGE = B::PVMG PREFIX = Sv
889
890void
891SvMAGIC(sv)
892 B::PVMG sv
893 MAGIC * mg = NO_INIT
894 PPCODE:
895 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
cea2e8a9 896 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
a8a597b2
MB		 897
898MODULE = B PACKAGE = B::PVMG
899
900B::HV
901SvSTASH(sv)
902 B::PVMG sv
903
904#define MgMOREMAGIC(mg) mg->mg_moremagic
905#define MgPRIVATE(mg) mg->mg_private
906#define MgTYPE(mg) mg->mg_type
907#define MgFLAGS(mg) mg->mg_flags
908#define MgOBJ(mg) mg->mg_obj
88b39979 909#define MgLENGTH(mg) mg->mg_len
a8a597b2
MB		 910
911MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
912
913B::MAGIC
914MgMOREMAGIC(mg)
915 B::MAGIC mg
916
917U16
918MgPRIVATE(mg)
919 B::MAGIC mg
920
921char
922MgTYPE(mg)
923 B::MAGIC mg
924
925U8
926MgFLAGS(mg)
927 B::MAGIC mg
928
929B::SV
930MgOBJ(mg)
931 B::MAGIC mg
932
88b39979
VB		 933I32
934MgLENGTH(mg)
935 B::MAGIC mg
936
a8a597b2
MB		 937void
938MgPTR(mg)
939 B::MAGIC mg
940 CODE:
941 ST(0) = sv_newmortal();
88b39979
VB		 942 if (mg->mg_ptr){
943 if (mg->mg_len >= 0){
944 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
945 } else {
946 if (mg->mg_len == HEf_SVKEY)
947 sv_setsv(ST(0),newRV((SV*)mg->mg_ptr));
948 }
949 }
a8a597b2
MB		 950
951MODULE = B PACKAGE = B::PVLV PREFIX = Lv
952
953U32
954LvTARGOFF(sv)
955 B::PVLV sv
956
957U32
958LvTARGLEN(sv)
959 B::PVLV sv
960
961char
962LvTYPE(sv)
963 B::PVLV sv
964
965B::SV
966LvTARG(sv)
967 B::PVLV sv
968
969MODULE = B PACKAGE = B::BM PREFIX = Bm
970
971I32
972BmUSEFUL(sv)
973 B::BM sv
974
975U16
976BmPREVIOUS(sv)
977 B::BM sv
978
979U8
980BmRARE(sv)
981 B::BM sv
982
983void
984BmTABLE(sv)
985 B::BM sv
986 STRLEN len = NO_INIT
987 char * str = NO_INIT
988 CODE:
989 str = SvPV(sv, len);
990 /* Boyer-Moore table is just after string and its safety-margin \0 */
79cb57f6 991 ST(0) = sv_2mortal(newSVpvn(str + len + 1, 256));
a8a597b2
MB		 992
993MODULE = B PACKAGE = B::GV PREFIX = Gv
994
995void
996GvNAME(gv)
997 B::GV gv
998 CODE:
79cb57f6 999 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
a8a597b2
MB		 1000
1001B::HV
1002GvSTASH(gv)
1003 B::GV gv
1004
1005B::SV
1006GvSV(gv)
1007 B::GV gv
1008
1009B::IO
1010GvIO(gv)
1011 B::GV gv
1012
1013B::CV
1014GvFORM(gv)
1015 B::GV gv
1016
1017B::AV
1018GvAV(gv)
1019 B::GV gv
1020
1021B::HV
1022GvHV(gv)
1023 B::GV gv
1024
1025B::GV
1026GvEGV(gv)
1027 B::GV gv
1028
1029B::CV
1030GvCV(gv)
1031 B::GV gv
1032
1033U32
1034GvCVGEN(gv)
1035 B::GV gv
1036
1037U16
1038GvLINE(gv)
1039 B::GV gv
1040
b195d487
GS		 1041char *
1042GvFILE(gv)
1043 B::GV gv
1044
a8a597b2
MB		 1045B::GV
1046GvFILEGV(gv)
1047 B::GV gv
1048
1049MODULE = B PACKAGE = B::GV
1050
1051U32
1052GvREFCNT(gv)
1053 B::GV gv
1054
1055U8
1056GvFLAGS(gv)
1057 B::GV gv
1058
1059MODULE = B PACKAGE = B::IO PREFIX = Io
1060
1061long
1062IoLINES(io)
1063 B::IO io
1064
1065long
1066IoPAGE(io)
1067 B::IO io
1068
1069long
1070IoPAGE_LEN(io)
1071 B::IO io
1072
1073long
1074IoLINES_LEFT(io)
1075 B::IO io
1076
1077char *
1078IoTOP_NAME(io)
1079 B::IO io
1080
1081B::GV
1082IoTOP_GV(io)
1083 B::IO io
1084
1085char *
1086IoFMT_NAME(io)
1087 B::IO io
1088
1089B::GV
1090IoFMT_GV(io)
1091 B::IO io
1092
1093char *
1094IoBOTTOM_NAME(io)
1095 B::IO io
1096
1097B::GV
1098IoBOTTOM_GV(io)
1099 B::IO io
1100
1101short
1102IoSUBPROCESS(io)
1103 B::IO io
1104
1105MODULE = B PACKAGE = B::IO
1106
1107char
1108IoTYPE(io)
1109 B::IO io
1110
1111U8
1112IoFLAGS(io)
1113 B::IO io
1114
1115MODULE = B PACKAGE = B::AV PREFIX = Av
1116
1117SSize_t
1118AvFILL(av)
1119 B::AV av
1120
1121SSize_t
1122AvMAX(av)
1123 B::AV av
1124
1125#define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1126
1127IV
1128AvOFF(av)
1129 B::AV av
1130
1131void
1132AvARRAY(av)
1133 B::AV av
1134 PPCODE:
1135 if (AvFILL(av) >= 0) {
1136 SV **svp = AvARRAY(av);
1137 I32 i;
1138 for (i = 0; i <= AvFILL(av); i++)
cea2e8a9 1139 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
a8a597b2
MB		 1140 }
1141
1142MODULE = B PACKAGE = B::AV
1143
1144U8
1145AvFLAGS(av)
1146 B::AV av
1147
1148MODULE = B PACKAGE = B::CV PREFIX = Cv
1149
1150B::HV
1151CvSTASH(cv)
1152 B::CV cv
1153
1154B::OP
1155CvSTART(cv)
1156 B::CV cv
1157
1158B::OP
1159CvROOT(cv)
1160 B::CV cv
1161
1162B::GV
1163CvGV(cv)
1164 B::CV cv
1165
57843af0
GS		 1166char *
1167CvFILE(cv)
1168 B::CV cv
1169
a8a597b2
MB		 1170long
1171CvDEPTH(cv)
1172 B::CV cv
1173
1174B::AV
1175CvPADLIST(cv)
1176 B::CV cv
1177
1178B::CV
1179CvOUTSIDE(cv)
1180 B::CV cv
1181
1182void
1183CvXSUB(cv)
1184 B::CV cv
1185 CODE:
56431972 1186 ST(0) = sv_2mortal(newSViv(PTR2IV(CvXSUB(cv))));
a8a597b2
MB		 1187
1188
1189void
1190CvXSUBANY(cv)
1191 B::CV cv
1192 CODE:
1193 ST(0) = sv_2mortal(newSViv(CvXSUBANY(cv).any_iv));
1194
5cfd8ad4
VB		 1195MODULE = B PACKAGE = B::CV
1196
1197U8
1198CvFLAGS(cv)
1199 B::CV cv
1200
1201
a8a597b2
MB		 1202MODULE = B PACKAGE = B::HV PREFIX = Hv
1203
1204STRLEN
1205HvFILL(hv)
1206 B::HV hv
1207
1208STRLEN
1209HvMAX(hv)
1210 B::HV hv
1211
1212I32
1213HvKEYS(hv)
1214 B::HV hv
1215
1216I32
1217HvRITER(hv)
1218 B::HV hv
1219
1220char *
1221HvNAME(hv)
1222 B::HV hv
1223
1224B::PMOP
1225HvPMROOT(hv)
1226 B::HV hv
1227
1228void
1229HvARRAY(hv)
1230 B::HV hv
1231 PPCODE:
1232 if (HvKEYS(hv) > 0) {
1233 SV *sv;
1234 char *key;
1235 I32 len;
1236 (void)hv_iterinit(hv);
1237 EXTEND(sp, HvKEYS(hv) * 2);
1238 while (sv = hv_iternextsv(hv, &key, &len)) {
79cb57f6 1239 PUSHs(newSVpvn(key, len));
cea2e8a9 1240 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
a8a597b2
MB		 1241 }
1242 }
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