3 * Copyright (c) 1996 Malcolm Beattie
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.
10 #define PERL_NO_GET_CONTEXT
16 typedef PerlIO * InputStream;
18 typedef FILE * InputStream;
22 static const char* const svclassnames[] = {
66 static const char* const opclassnames[] = {
81 static const size_t opsizes[] = {
96 #define MY_CXT_KEY "B::_guts" XS_VERSION
99 int x_walkoptree_debug; /* Flag for walkoptree debug hook */
100 SV * x_specialsv_list[7];
105 #define walkoptree_debug (MY_CXT.x_walkoptree_debug)
106 #define specialsv_list (MY_CXT.x_specialsv_list)
109 cc_opclass(pTHX_ const OP *o)
115 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
117 if (o->op_type == OP_SASSIGN)
118 return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP);
120 if (o->op_type == OP_AELEMFAST) {
121 if (o->op_flags & OPf_SPECIAL)
132 if (o->op_type == OP_GV || o->op_type == OP_GVSV ||
133 o->op_type == OP_RCATLINE)
137 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
162 case OA_PVOP_OR_SVOP:
164 * Character translations (tr///) are usually a PVOP, keeping a
165 * pointer to a table of shorts used to look up translations.
166 * Under utf8, however, a simple table isn't practical; instead,
167 * the OP is an SVOP, and the SV is a reference to a swash
168 * (i.e., an RV pointing to an HV).
170 return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
171 ? OPc_SVOP : OPc_PVOP;
179 case OA_BASEOP_OR_UNOP:
181 * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on
182 * whether parens were seen. perly.y uses OPf_SPECIAL to
183 * signal whether a BASEOP had empty parens or none.
184 * Some other UNOPs are created later, though, so the best
185 * test is OPf_KIDS, which is set in newUNOP.
187 return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
191 * The file stat OPs are created via UNI(OP_foo) in toke.c but use
192 * the OPf_REF flag to distinguish between OP types instead of the
193 * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we
194 * return OPc_UNOP so that walkoptree can find our children. If
195 * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set
196 * (no argument to the operator) it's an OP; with OPf_REF set it's
197 * an SVOP (and op_sv is the GV for the filehandle argument).
199 return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
201 (o->op_flags & OPf_REF) ? OPc_PADOP : OPc_BASEOP);
203 (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP);
207 * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
208 * label was omitted (in which case it's a BASEOP) or else a term was
209 * seen. In this last case, all except goto are definitely PVOP but
210 * goto is either a PVOP (with an ordinary constant label), an UNOP
211 * with OPf_STACKED (with a non-constant non-sub) or an UNOP for
212 * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
215 if (o->op_flags & OPf_STACKED)
217 else if (o->op_flags & OPf_SPECIAL)
222 warn("can't determine class of operator %s, assuming BASEOP\n",
223 PL_op_name[o->op_type]);
228 cc_opclassname(pTHX_ const OP *o)
230 return (char *)opclassnames[cc_opclass(aTHX_ o)];
234 make_sv_object(pTHX_ SV *arg, SV *sv)
236 const char *type = 0;
240 for (iv = 0; iv < sizeof(specialsv_list)/sizeof(SV*); iv++) {
241 if (sv == specialsv_list[iv]) {
247 type = svclassnames[SvTYPE(sv)];
250 sv_setiv(newSVrv(arg, type), iv);
254 #if PERL_VERSION >= 9
256 make_temp_object(pTHX_ SV *arg, SV *temp)
259 const char *const type = svclassnames[SvTYPE(temp)];
260 const IV iv = PTR2IV(temp);
262 target = newSVrv(arg, type);
263 sv_setiv(target, iv);
265 /* Need to keep our "temp" around as long as the target exists.
266 Simplest way seems to be to hang it from magic, and let that clear
267 it up. No vtable, so won't actually get in the way of anything. */
268 sv_magicext(target, temp, PERL_MAGIC_sv, NULL, NULL, 0);
269 /* magic object has had its reference count increased, so we must drop
276 make_warnings_object(pTHX_ SV *arg, STRLEN *warnings)
278 const char *type = 0;
280 IV iv = sizeof(specialsv_list)/sizeof(SV*);
282 /* Counting down is deliberate. Before the split between make_sv_object
283 and make_warnings_obj there appeared to be a bug - Nullsv and pWARN_STD
284 were both 0, so you could never get a B::SPECIAL for pWARN_STD */
287 if ((SV*)warnings == specialsv_list[iv]) {
293 sv_setiv(newSVrv(arg, type), iv);
296 /* B assumes that warnings are a regular SV. Seems easier to keep it
297 happy by making them into a regular SV. */
298 return make_temp_object(aTHX_ arg,
299 newSVpvn((char *)(warnings + 1), *warnings));
304 make_cop_io_object(pTHX_ SV *arg, COP *cop)
306 SV *const value = newSV(0);
308 Perl_emulate_cop_io(aTHX_ cop, value);
311 return make_temp_object(aTHX_ arg, newSVsv(value));
314 return make_sv_object(aTHX_ arg, NULL);
320 make_mg_object(pTHX_ SV *arg, MAGIC *mg)
322 sv_setiv(newSVrv(arg, "B::MAGIC"), PTR2IV(mg));
327 cstring(pTHX_ SV *sv, bool perlstyle)
329 SV *sstr = newSVpvn("", 0);
332 sv_setpvn(sstr, "0", 1);
333 else if (perlstyle && SvUTF8(sv)) {
334 SV *tmpsv = sv_newmortal(); /* Temporary SV to feed sv_uni_display */
335 const STRLEN len = SvCUR(sv);
336 const char *s = sv_uni_display(tmpsv, sv, 8*len, UNI_DISPLAY_QQ);
337 sv_setpvn(sstr,"\"",1);
341 sv_catpvn(sstr, "\\\"", 2);
343 sv_catpvn(sstr, "\\$", 2);
345 sv_catpvn(sstr, "\\@", 2);
348 if (strchr("nrftax\\",*(s+1)))
349 sv_catpvn(sstr, s++, 2);
351 sv_catpvn(sstr, "\\\\", 2);
353 else /* should always be printable */
354 sv_catpvn(sstr, s, 1);
357 sv_catpv(sstr, "\"");
364 const char *s = SvPV(sv, len);
365 sv_catpv(sstr, "\"");
366 for (; len; len--, s++)
368 /* At least try a little for readability */
370 sv_catpv(sstr, "\\\"");
372 sv_catpv(sstr, "\\\\");
373 /* trigraphs - bleagh */
374 else if (!perlstyle && *s == '?' && len>=3 && s[1] == '?') {
375 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
376 sprintf(escbuff, "\\%03o", '?');
377 sv_catpv(sstr, escbuff);
379 else if (perlstyle && *s == '$')
380 sv_catpv(sstr, "\\$");
381 else if (perlstyle && *s == '@')
382 sv_catpv(sstr, "\\@");
384 else if (isPRINT(*s))
386 else if (*s >= ' ' && *s < 127)
388 sv_catpvn(sstr, s, 1);
390 sv_catpv(sstr, "\\n");
392 sv_catpv(sstr, "\\r");
394 sv_catpv(sstr, "\\t");
396 sv_catpv(sstr, "\\a");
398 sv_catpv(sstr, "\\b");
400 sv_catpv(sstr, "\\f");
401 else if (!perlstyle && *s == '\v')
402 sv_catpv(sstr, "\\v");
405 /* Don't want promotion of a signed -1 char in sprintf args */
406 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
407 const unsigned char c = (unsigned char) *s;
408 sprintf(escbuff, "\\%03o", c);
409 sv_catpv(sstr, escbuff);
411 /* XXX Add line breaks if string is long */
413 sv_catpv(sstr, "\"");
421 SV *sstr = newSVpvn("'", 1);
422 const char *s = SvPV_nolen(sv);
425 sv_catpvn(sstr, "\\'", 2);
427 sv_catpvn(sstr, "\\\\", 2);
429 else if (isPRINT(*s))
431 else if (*s >= ' ' && *s < 127)
433 sv_catpvn(sstr, s, 1);
435 sv_catpvn(sstr, "\\n", 2);
437 sv_catpvn(sstr, "\\r", 2);
439 sv_catpvn(sstr, "\\t", 2);
441 sv_catpvn(sstr, "\\a", 2);
443 sv_catpvn(sstr, "\\b", 2);
445 sv_catpvn(sstr, "\\f", 2);
447 sv_catpvn(sstr, "\\v", 2);
450 /* no trigraph support */
451 char escbuff[5]; /* to fit backslash, 3 octals + trailing \0 */
452 /* Don't want promotion of a signed -1 char in sprintf args */
453 unsigned char c = (unsigned char) *s;
454 sprintf(escbuff, "\\%03o", c);
455 sv_catpv(sstr, escbuff);
457 sv_catpvn(sstr, "'", 1);
462 walkoptree(pTHX_ SV *opsv, const char *method)
469 croak("opsv is not a reference");
470 opsv = sv_mortalcopy(opsv);
471 o = INT2PTR(OP*,SvIV((SV*)SvRV(opsv)));
472 if (walkoptree_debug) {
476 perl_call_method("walkoptree_debug", G_DISCARD);
481 perl_call_method(method, G_DISCARD);
482 if (o && (o->op_flags & OPf_KIDS)) {
483 for (kid = ((UNOP*)o)->op_first; kid; kid = kid->op_sibling) {
484 /* Use the same opsv. Rely on methods not to mess it up. */
485 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
486 walkoptree(aTHX_ opsv, method);
489 if (o && (cc_opclass(aTHX_ o) == OPc_PMOP) && o->op_type != OP_PUSHRE
490 #if PERL_VERSION >= 9
491 && (kid = cPMOPo->op_pmreplrootu.op_pmreplroot)
493 && (kid = cPMOPo->op_pmreplroot)
497 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
498 walkoptree(aTHX_ opsv, method);
503 oplist(pTHX_ OP *o, SV **SP)
505 for(; o; o = o->op_next) {
507 #if PERL_VERSION >= 9
516 opsv = sv_newmortal();
517 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ (OP*)o)), PTR2IV(o));
519 switch (o->op_type) {
521 #if PERL_VERSION >= 9
522 SP = oplist(aTHX_ cPMOPo->op_pmstashstartu.op_pmreplstart, SP);
524 SP = oplist(aTHX_ cPMOPo->op_pmreplstart, SP);
528 if (o->op_flags & OPf_STACKED && o->op_flags & OPf_SPECIAL) {
529 OP *kid = cLISTOPo->op_first->op_sibling; /* pass pushmark */
530 kid = kUNOP->op_first; /* pass rv2gv */
531 kid = kUNOP->op_first; /* pass leave */
532 SP = oplist(aTHX_ kid->op_next, SP);
536 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
538 SP = oplist(aTHX_ cLOGOPo->op_other, SP);
541 SP = oplist(aTHX_ cLOOPo->op_lastop, SP);
542 SP = oplist(aTHX_ cLOOPo->op_nextop, SP);
543 SP = oplist(aTHX_ cLOOPo->op_redoop, SP);
551 typedef UNOP *B__UNOP;
552 typedef BINOP *B__BINOP;
553 typedef LOGOP *B__LOGOP;
554 typedef LISTOP *B__LISTOP;
555 typedef PMOP *B__PMOP;
556 typedef SVOP *B__SVOP;
557 typedef PADOP *B__PADOP;
558 typedef PVOP *B__PVOP;
559 typedef LOOP *B__LOOP;
577 typedef MAGIC *B__MAGIC;
579 #if PERL_VERSION >= 9
580 typedef struct refcounted_he *B__RHE;
583 MODULE = B PACKAGE = B PREFIX = B_
589 HV *stash = gv_stashpvn("B", 1, GV_ADD);
590 AV *export_ok = perl_get_av("B::EXPORT_OK",TRUE);
592 specialsv_list[0] = Nullsv;
593 specialsv_list[1] = &PL_sv_undef;
594 specialsv_list[2] = &PL_sv_yes;
595 specialsv_list[3] = &PL_sv_no;
596 specialsv_list[4] = (SV *) pWARN_ALL;
597 specialsv_list[5] = (SV *) pWARN_NONE;
598 specialsv_list[6] = (SV *) pWARN_STD;
599 #if PERL_VERSION <= 8
600 # define OPpPAD_STATE 0
605 #define B_main_cv() PL_main_cv
606 #define B_init_av() PL_initav
607 #define B_inc_gv() PL_incgv
608 #define B_check_av() PL_checkav_save
610 # define B_unitcheck_av() PL_unitcheckav_save
612 # define B_unitcheck_av() NULL
614 #define B_begin_av() PL_beginav_save
615 #define B_end_av() PL_endav
616 #define B_main_root() PL_main_root
617 #define B_main_start() PL_main_start
618 #define B_amagic_generation() PL_amagic_generation
619 #define B_sub_generation() PL_sub_generation
620 #define B_defstash() PL_defstash
621 #define B_curstash() PL_curstash
622 #define B_dowarn() PL_dowarn
623 #define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
624 #define B_sv_undef() &PL_sv_undef
625 #define B_sv_yes() &PL_sv_yes
626 #define B_sv_no() &PL_sv_no
627 #define B_formfeed() PL_formfeed
629 #define B_regex_padav() PL_regex_padav
638 #if PERL_VERSION >= 9
671 B_amagic_generation()
703 ST(0) = make_sv_object(aTHX_ sv_newmortal(), PL_warnhook);
708 ST(0) = make_sv_object(aTHX_ sv_newmortal(), PL_diehook);
710 MODULE = B PACKAGE = B
713 walkoptree(opsv, method)
717 walkoptree(aTHX_ opsv, method);
720 walkoptree_debug(...)
723 RETVAL = walkoptree_debug;
724 if (items > 0 && SvTRUE(ST(1)))
725 walkoptree_debug = 1;
729 #define address(sv) PTR2IV(sv)
740 croak("argument is not a reference");
741 RETVAL = (SV*)SvRV(sv);
752 ST(0) = sv_newmortal();
753 if (strncmp(name,"pp_",3) == 0)
755 for (i = 0; i < PL_maxo; i++)
757 if (strcmp(name, PL_op_name[i]) == 0)
763 sv_setiv(ST(0),result);
770 ST(0) = sv_newmortal();
771 if (opnum >= 0 && opnum < PL_maxo) {
772 sv_setpvn(ST(0), "pp_", 3);
773 sv_catpv(ST(0), PL_op_name[opnum]);
782 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
783 const char *s = SvPV(sv, len);
784 PERL_HASH(hash, s, len);
785 sprintf(hexhash, "0x%"UVxf, (UV)hash);
786 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
788 #define cast_I32(foo) (I32)foo
807 RETVAL = cstring(aTHX_ sv, 0);
815 RETVAL = cstring(aTHX_ sv, 1);
823 RETVAL = cchar(aTHX_ sv);
830 #if PERL_VERSION <= 8
831 # ifdef USE_5005THREADS
833 const STRLEN len = strlen(PL_threadsv_names);
836 for (i = 0; i < len; i++)
837 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
841 #define OP_next(o) o->op_next
842 #define OP_sibling(o) o->op_sibling
843 #define OP_desc(o) (char *)PL_op_desc[o->op_type]
844 #define OP_targ(o) o->op_targ
845 #define OP_type(o) o->op_type
846 #if PERL_VERSION >= 9
847 # define OP_opt(o) o->op_opt
849 # define OP_seq(o) o->op_seq
851 #define OP_flags(o) o->op_flags
852 #define OP_private(o) o->op_private
853 #define OP_spare(o) o->op_spare
855 MODULE = B PACKAGE = B::OP PREFIX = OP_
861 RETVAL = opsizes[cc_opclass(aTHX_ o)];
877 RETVAL = (char *)PL_op_name[o->op_type];
887 SV *sv = sv_newmortal();
889 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
890 sv_catpv(sv, PL_op_name[o->op_type]);
891 for (i=13; (STRLEN)i < SvCUR(sv); ++i)
892 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
908 #if PERL_VERSION >= 9
930 #if PERL_VERSION >= 9
942 SP = oplist(aTHX_ o, SP);
944 #define UNOP_first(o) o->op_first
946 MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
952 #define BINOP_last(o) o->op_last
954 MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
960 #define LOGOP_other(o) o->op_other
962 MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
968 MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
977 for (kid = o->op_first; kid; kid = kid->op_sibling)
983 #if PERL_VERSION >= 9
984 # define PMOP_pmreplstart(o) o->op_pmstashstartu.op_pmreplstart
986 # define PMOP_pmreplstart(o) o->op_pmreplstart
987 # define PMOP_pmpermflags(o) o->op_pmpermflags
988 # define PMOP_pmdynflags(o) o->op_pmdynflags
990 #define PMOP_pmnext(o) o->op_pmnext
991 #define PMOP_pmregexp(o) PM_GETRE(o)
993 #define PMOP_pmoffset(o) o->op_pmoffset
994 #define PMOP_pmstashpv(o) PmopSTASHPV(o);
996 #define PMOP_pmstash(o) PmopSTASH(o);
998 #define PMOP_pmflags(o) o->op_pmflags
1000 MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
1002 #if PERL_VERSION <= 8
1009 ST(0) = sv_newmortal();
1010 root = o->op_pmreplroot;
1011 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
1012 if (o->op_type == OP_PUSHRE) {
1013 # ifdef USE_ITHREADS
1014 sv_setiv(ST(0), INT2PTR(PADOFFSET,root) );
1016 sv_setiv(newSVrv(ST(0), root ?
1017 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
1022 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
1031 ST(0) = sv_newmortal();
1032 if (o->op_type == OP_PUSHRE) {
1033 # ifdef USE_ITHREADS
1034 sv_setiv(ST(0), o->op_pmreplrootu.op_pmtargetoff);
1036 GV *const target = o->op_pmreplrootu.op_pmtargetgv;
1037 sv_setiv(newSVrv(ST(0), target ?
1038 svclassnames[SvTYPE((SV*)target)] : "B::SV"),
1043 OP *const root = o->op_pmreplrootu.op_pmreplroot;
1044 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)),
1054 #if PERL_VERSION < 9
1084 #if PERL_VERSION < 9
1099 REGEXP * rx = NO_INIT
1101 ST(0) = sv_newmortal();
1104 sv_setpvn(ST(0), rx->precomp, rx->prelen);
1106 #if PERL_VERSION >= 9
1111 REGEXP * rx = NO_INIT
1113 ST(0) = sv_newmortal();
1116 sv_setuv(ST(0), rx->extflags);
1120 #define SVOP_sv(o) cSVOPo->op_sv
1121 #define SVOP_gv(o) ((GV*)cSVOPo->op_sv)
1123 MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
1133 #define PADOP_padix(o) o->op_padix
1134 #define PADOP_sv(o) (o->op_padix ? PAD_SVl(o->op_padix) : Nullsv)
1135 #define PADOP_gv(o) ((o->op_padix \
1136 && SvTYPE(PAD_SVl(o->op_padix)) == SVt_PVGV) \
1137 ? (GV*)PAD_SVl(o->op_padix) : Nullgv)
1139 MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
1153 MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
1160 * OP_TRANS uses op_pv to point to a table of 256 or >=258 shorts
1161 * whereas other PVOPs point to a null terminated string.
1163 if (o->op_type == OP_TRANS &&
1164 (o->op_private & OPpTRANS_COMPLEMENT) &&
1165 !(o->op_private & OPpTRANS_DELETE))
1167 const short* const tbl = (short*)o->op_pv;
1168 const short entries = 257 + tbl[256];
1169 ST(0) = sv_2mortal(newSVpv(o->op_pv, entries * sizeof(short)));
1171 else if (o->op_type == OP_TRANS) {
1172 ST(0) = sv_2mortal(newSVpv(o->op_pv, 256 * sizeof(short)));
1175 ST(0) = sv_2mortal(newSVpv(o->op_pv, 0));
1177 #define LOOP_redoop(o) o->op_redoop
1178 #define LOOP_nextop(o) o->op_nextop
1179 #define LOOP_lastop(o) o->op_lastop
1181 MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
1196 #define COP_label(o) o->cop_label
1197 #define COP_stashpv(o) CopSTASHPV(o)
1198 #define COP_stash(o) CopSTASH(o)
1199 #define COP_file(o) CopFILE(o)
1200 #define COP_filegv(o) CopFILEGV(o)
1201 #define COP_cop_seq(o) o->cop_seq
1202 #define COP_arybase(o) CopARYBASE_get(o)
1203 #define COP_line(o) CopLINE(o)
1204 #define COP_hints(o) CopHINTS_get(o)
1205 #if PERL_VERSION < 9
1206 # define COP_warnings(o) o->cop_warnings
1207 # define COP_io(o) o->cop_io
1210 MODULE = B PACKAGE = B::COP PREFIX = COP_
1245 #if PERL_VERSION >= 9
1251 ST(0) = make_warnings_object(aTHX_ sv_newmortal(), o->cop_warnings);
1258 ST(0) = make_cop_io_object(aTHX_ sv_newmortal(), o);
1265 RETVAL = o->cop_hints_hash;
1285 MODULE = B PACKAGE = B::SV
1291 #define object_2svref(sv) sv
1298 MODULE = B PACKAGE = B::SV PREFIX = Sv
1320 MODULE = B PACKAGE = B::IV PREFIX = Sv
1335 MODULE = B PACKAGE = B::IV
1337 #define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
1347 if (sizeof(IV) == 8) {
1349 const IV iv = SvIVX(sv);
1351 * The following way of spelling 32 is to stop compilers on
1352 * 32-bit architectures from moaning about the shift count
1353 * being >= the width of the type. Such architectures don't
1354 * reach this code anyway (unless sizeof(IV) > 8 but then
1355 * everything else breaks too so I'm not fussed at the moment).
1358 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
1360 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
1362 wp[1] = htonl(iv & 0xffffffff);
1363 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
1365 U32 w = htonl((U32)SvIVX(sv));
1366 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
1369 MODULE = B PACKAGE = B::NV PREFIX = Sv
1380 COP_SEQ_RANGE_LOW(sv)
1384 COP_SEQ_RANGE_HIGH(sv)
1388 PARENT_PAD_INDEX(sv)
1392 PARENT_FAKELEX_FLAGS(sv)
1395 MODULE = B PACKAGE = B::RV PREFIX = Sv
1401 MODULE = B PACKAGE = B::PV PREFIX = Sv
1415 croak( "argument is not SvROK" );
1424 ST(0) = sv_newmortal();
1426 /* FIXME - we need a better way for B to identify PVs that are
1427 in the pads as variable names. */
1428 if((SvLEN(sv) && SvCUR(sv) >= SvLEN(sv))) {
1429 /* It claims to be longer than the space allocated for it -
1430 presuambly it's a variable name in the pad */
1431 sv_setpv(ST(0), SvPV_nolen_const(sv));
1433 sv_setpvn(ST(0), SvPVX_const(sv), SvCUR(sv));
1435 SvFLAGS(ST(0)) |= SvUTF8(sv);
1438 /* XXX for backward compatibility, but should fail */
1439 /* croak( "argument is not SvPOK" ); */
1440 sv_setpvn(ST(0), NULL, 0);
1443 # This used to read 257. I think that that was buggy - should have been 258.
1444 # (The "\0", the flags byte, and 256 for the table. Not that anything
1445 # anywhere calls this method. NWC.
1450 ST(0) = sv_newmortal();
1451 sv_setpvn(ST(0), SvPVX_const(sv),
1452 SvCUR(sv) + (SvVALID(sv) ? 256 + PERL_FBM_TABLE_OFFSET : 0));
1463 MODULE = B PACKAGE = B::PVMG PREFIX = Sv
1468 MAGIC * mg = NO_INIT
1470 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
1471 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
1473 MODULE = B PACKAGE = B::PVMG
1479 #define MgMOREMAGIC(mg) mg->mg_moremagic
1480 #define MgPRIVATE(mg) mg->mg_private
1481 #define MgTYPE(mg) mg->mg_type
1482 #define MgFLAGS(mg) mg->mg_flags
1483 #define MgOBJ(mg) mg->mg_obj
1484 #define MgLENGTH(mg) mg->mg_len
1485 #define MgREGEX(mg) PTR2IV(mg->mg_obj)
1487 MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
1493 if( MgMOREMAGIC(mg) ) {
1494 RETVAL = MgMOREMAGIC(mg);
1522 if(mg->mg_type == PERL_MAGIC_qr) {
1523 RETVAL = MgREGEX(mg);
1526 croak( "REGEX is only meaningful on r-magic" );
1535 if (mg->mg_type == PERL_MAGIC_qr) {
1536 REGEXP* rx = (REGEXP*)mg->mg_obj;
1539 RETVAL = newSVpvn( rx->precomp, rx->prelen );
1542 croak( "precomp is only meaningful on r-magic" );
1555 ST(0) = sv_newmortal();
1557 if (mg->mg_len >= 0){
1558 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
1559 } else if (mg->mg_len == HEf_SVKEY) {
1560 ST(0) = make_sv_object(aTHX_
1561 sv_newmortal(), (SV*)mg->mg_ptr);
1565 MODULE = B PACKAGE = B::PVLV PREFIX = Lv
1583 MODULE = B PACKAGE = B::BM PREFIX = Bm
1600 STRLEN len = NO_INIT
1601 char * str = NO_INIT
1603 str = SvPV(sv, len);
1604 /* Boyer-Moore table is just after string and its safety-margin \0 */
1605 ST(0) = sv_2mortal(newSVpvn(str + len + PERL_FBM_TABLE_OFFSET, 256));
1607 MODULE = B PACKAGE = B::GV PREFIX = Gv
1613 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
1619 RETVAL = GvGP(gv) == Null(GP*);
1643 RETVAL = (SV*)GvFORM(gv);
1679 MODULE = B PACKAGE = B::GV
1689 MODULE = B PACKAGE = B::IO PREFIX = Io
1742 if( strEQ( name, "stdin" ) ) {
1743 handle = PerlIO_stdin();
1745 else if( strEQ( name, "stdout" ) ) {
1746 handle = PerlIO_stdout();
1748 else if( strEQ( name, "stderr" ) ) {
1749 handle = PerlIO_stderr();
1752 croak( "Invalid value '%s'", name );
1754 RETVAL = handle == IoIFP(io);
1758 MODULE = B PACKAGE = B::IO
1768 MODULE = B PACKAGE = B::AV PREFIX = Av
1778 #if PERL_VERSION < 9
1781 #define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1793 if (AvFILL(av) >= 0) {
1794 SV **svp = AvARRAY(av);
1796 for (i = 0; i <= AvFILL(av); i++)
1797 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
1805 if (idx >= 0 && AvFILL(av) >= 0 && idx <= AvFILL(av))
1806 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), (AvARRAY(av)[idx])));
1808 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), NULL));
1810 #if PERL_VERSION < 9
1812 MODULE = B PACKAGE = B::AV
1820 MODULE = B PACKAGE = B::FM PREFIX = Fm
1826 MODULE = B PACKAGE = B::CV PREFIX = Cv
1840 RETVAL = CvISXSUB(cv) ? NULL : CvSTART(cv);
1848 RETVAL = CvISXSUB(cv) ? NULL : CvROOT(cv);
1880 ST(0) = sv_2mortal(newSViv(CvISXSUB(cv) ? PTR2IV(CvXSUB(cv)) : 0));
1887 ST(0) = CvCONST(cv) ?
1888 make_sv_object(aTHX_ sv_newmortal(),(SV *)CvXSUBANY(cv).any_ptr) :
1889 sv_2mortal(newSViv(CvISXSUB(cv) ? CvXSUBANY(cv).any_iv : 0));
1891 MODULE = B PACKAGE = B::CV
1897 MODULE = B PACKAGE = B::CV PREFIX = cv_
1904 MODULE = B PACKAGE = B::HV PREFIX = Hv
1926 #if PERL_VERSION < 9
1938 if (HvKEYS(hv) > 0) {
1942 (void)hv_iterinit(hv);
1943 EXTEND(sp, HvKEYS(hv) * 2);
1944 while ((sv = hv_iternextsv(hv, &key, &len))) {
1945 PUSHs(newSVpvn(key, len));
1946 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
1950 MODULE = B PACKAGE = B::HE PREFIX = He
1964 MODULE = B PACKAGE = B::RHE PREFIX = RHE_
1966 #if PERL_VERSION >= 9
1972 RETVAL = newRV( (SV*)Perl_refcounted_he_chain_2hv(aTHX_ h) );