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 CVf_ASSERTION 0
601 # define OPpPAD_STATE 0
606 #define B_main_cv() PL_main_cv
607 #define B_init_av() PL_initav
608 #define B_inc_gv() PL_incgv
609 #define B_check_av() PL_checkav_save
611 # define B_unitcheck_av() PL_unitcheckav_save
613 # define B_unitcheck_av() NULL
615 #define B_begin_av() PL_beginav_save
616 #define B_end_av() PL_endav
617 #define B_main_root() PL_main_root
618 #define B_main_start() PL_main_start
619 #define B_amagic_generation() PL_amagic_generation
620 #define B_sub_generation() PL_sub_generation
621 #define B_defstash() PL_defstash
622 #define B_curstash() PL_curstash
623 #define B_dowarn() PL_dowarn
624 #define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
625 #define B_sv_undef() &PL_sv_undef
626 #define B_sv_yes() &PL_sv_yes
627 #define B_sv_no() &PL_sv_no
628 #define B_formfeed() PL_formfeed
630 #define B_regex_padav() PL_regex_padav
639 #if PERL_VERSION >= 9
672 B_amagic_generation()
704 ST(0) = make_sv_object(aTHX_ sv_newmortal(), PL_warnhook);
709 ST(0) = make_sv_object(aTHX_ sv_newmortal(), PL_diehook);
711 MODULE = B PACKAGE = B
714 walkoptree(opsv, method)
718 walkoptree(aTHX_ opsv, method);
721 walkoptree_debug(...)
724 RETVAL = walkoptree_debug;
725 if (items > 0 && SvTRUE(ST(1)))
726 walkoptree_debug = 1;
730 #define address(sv) PTR2IV(sv)
741 croak("argument is not a reference");
742 RETVAL = (SV*)SvRV(sv);
753 ST(0) = sv_newmortal();
754 if (strncmp(name,"pp_",3) == 0)
756 for (i = 0; i < PL_maxo; i++)
758 if (strcmp(name, PL_op_name[i]) == 0)
764 sv_setiv(ST(0),result);
771 ST(0) = sv_newmortal();
772 if (opnum >= 0 && opnum < PL_maxo) {
773 sv_setpvn(ST(0), "pp_", 3);
774 sv_catpv(ST(0), PL_op_name[opnum]);
783 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
784 const char *s = SvPV(sv, len);
785 PERL_HASH(hash, s, len);
786 sprintf(hexhash, "0x%"UVxf, (UV)hash);
787 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
789 #define cast_I32(foo) (I32)foo
808 RETVAL = cstring(aTHX_ sv, 0);
816 RETVAL = cstring(aTHX_ sv, 1);
824 RETVAL = cchar(aTHX_ sv);
831 #if PERL_VERSION <= 8
832 # ifdef USE_5005THREADS
834 const STRLEN len = strlen(PL_threadsv_names);
837 for (i = 0; i < len; i++)
838 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
842 #define OP_next(o) o->op_next
843 #define OP_sibling(o) o->op_sibling
844 #define OP_desc(o) (char *)PL_op_desc[o->op_type]
845 #define OP_targ(o) o->op_targ
846 #define OP_type(o) o->op_type
847 #if PERL_VERSION >= 9
848 # define OP_opt(o) o->op_opt
849 # define OP_static(o) o->op_static
851 # define OP_seq(o) o->op_seq
853 #define OP_flags(o) o->op_flags
854 #define OP_private(o) o->op_private
855 #define OP_spare(o) o->op_spare
857 MODULE = B PACKAGE = B::OP PREFIX = OP_
863 RETVAL = opsizes[cc_opclass(aTHX_ o)];
879 RETVAL = (char *)PL_op_name[o->op_type];
889 SV *sv = sv_newmortal();
891 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
892 sv_catpv(sv, PL_op_name[o->op_type]);
893 for (i=13; (STRLEN)i < SvCUR(sv); ++i)
894 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
910 #if PERL_VERSION >= 9
936 #if PERL_VERSION >= 9
948 SP = oplist(aTHX_ o, SP);
950 #define UNOP_first(o) o->op_first
952 MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
958 #define BINOP_last(o) o->op_last
960 MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
966 #define LOGOP_other(o) o->op_other
968 MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
974 MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
983 for (kid = o->op_first; kid; kid = kid->op_sibling)
989 #if PERL_VERSION >= 9
990 # define PMOP_pmreplstart(o) o->op_pmstashstartu.op_pmreplstart
992 # define PMOP_pmreplstart(o) o->op_pmreplstart
994 #define PMOP_pmnext(o) o->op_pmnext
995 #define PMOP_pmregexp(o) PM_GETRE(o)
997 #define PMOP_pmoffset(o) o->op_pmoffset
998 #define PMOP_pmstashpv(o) PmopSTASHPV(o);
1000 #define PMOP_pmstash(o) PmopSTASH(o);
1002 #define PMOP_pmflags(o) o->op_pmflags
1004 MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
1006 #if PERL_VERSION <= 8
1013 ST(0) = sv_newmortal();
1014 root = o->op_pmreplroot;
1015 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
1016 if (o->op_type == OP_PUSHRE) {
1017 # ifdef USE_ITHREADS
1018 sv_setiv(ST(0), INT2PTR(PADOFFSET,root) );
1020 sv_setiv(newSVrv(ST(0), root ?
1021 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
1026 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
1035 ST(0) = sv_newmortal();
1036 if (o->op_type == OP_PUSHRE) {
1037 # ifdef USE_ITHREADS
1038 sv_setiv(ST(0), o->op_pmreplrootu.op_pmtargetoff);
1040 GV *const target = o->op_pmreplrootu.op_pmtargetgv;
1041 sv_setiv(newSVrv(ST(0), target ?
1042 svclassnames[SvTYPE((SV*)target)] : "B::SV"),
1047 OP *const root = o->op_pmreplrootu.op_pmreplroot;
1048 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)),
1058 #if PERL_VERSION < 9
1091 REGEXP * rx = NO_INIT
1093 ST(0) = sv_newmortal();
1096 sv_setpvn(ST(0), rx->precomp, rx->prelen);
1101 REGEXP * rx = NO_INIT
1103 ST(0) = sv_newmortal();
1106 sv_setuv(ST(0), rx->extflags);
1108 #define SVOP_sv(o) cSVOPo->op_sv
1109 #define SVOP_gv(o) ((GV*)cSVOPo->op_sv)
1111 MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
1121 #define PADOP_padix(o) o->op_padix
1122 #define PADOP_sv(o) (o->op_padix ? PAD_SVl(o->op_padix) : Nullsv)
1123 #define PADOP_gv(o) ((o->op_padix \
1124 && SvTYPE(PAD_SVl(o->op_padix)) == SVt_PVGV) \
1125 ? (GV*)PAD_SVl(o->op_padix) : Nullgv)
1127 MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
1141 MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
1148 * OP_TRANS uses op_pv to point to a table of 256 or >=258 shorts
1149 * whereas other PVOPs point to a null terminated string.
1151 if (o->op_type == OP_TRANS &&
1152 (o->op_private & OPpTRANS_COMPLEMENT) &&
1153 !(o->op_private & OPpTRANS_DELETE))
1155 const short* const tbl = (short*)o->op_pv;
1156 const short entries = 257 + tbl[256];
1157 ST(0) = sv_2mortal(newSVpv(o->op_pv, entries * sizeof(short)));
1159 else if (o->op_type == OP_TRANS) {
1160 ST(0) = sv_2mortal(newSVpv(o->op_pv, 256 * sizeof(short)));
1163 ST(0) = sv_2mortal(newSVpv(o->op_pv, 0));
1165 #define LOOP_redoop(o) o->op_redoop
1166 #define LOOP_nextop(o) o->op_nextop
1167 #define LOOP_lastop(o) o->op_lastop
1169 MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
1184 #define COP_label(o) o->cop_label
1185 #define COP_stashpv(o) CopSTASHPV(o)
1186 #define COP_stash(o) CopSTASH(o)
1187 #define COP_file(o) CopFILE(o)
1188 #define COP_filegv(o) CopFILEGV(o)
1189 #define COP_cop_seq(o) o->cop_seq
1190 #define COP_arybase(o) CopARYBASE_get(o)
1191 #define COP_line(o) CopLINE(o)
1192 #define COP_hints(o) CopHINTS_get(o)
1193 #if PERL_VERSION < 9
1194 # define COP_warnings(o) o->cop_warnings
1195 # define COP_io(o) o->cop_io
1198 MODULE = B PACKAGE = B::COP PREFIX = COP_
1233 #if PERL_VERSION >= 9
1239 ST(0) = make_warnings_object(aTHX_ sv_newmortal(), o->cop_warnings);
1246 ST(0) = make_cop_io_object(aTHX_ sv_newmortal(), o);
1253 RETVAL = o->cop_hints_hash;
1273 MODULE = B PACKAGE = B::SV
1279 #define object_2svref(sv) sv
1286 MODULE = B PACKAGE = B::SV PREFIX = Sv
1308 MODULE = B PACKAGE = B::IV PREFIX = Sv
1323 MODULE = B PACKAGE = B::IV
1325 #define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
1335 if (sizeof(IV) == 8) {
1337 const IV iv = SvIVX(sv);
1339 * The following way of spelling 32 is to stop compilers on
1340 * 32-bit architectures from moaning about the shift count
1341 * being >= the width of the type. Such architectures don't
1342 * reach this code anyway (unless sizeof(IV) > 8 but then
1343 * everything else breaks too so I'm not fussed at the moment).
1346 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
1348 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
1350 wp[1] = htonl(iv & 0xffffffff);
1351 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
1353 U32 w = htonl((U32)SvIVX(sv));
1354 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
1357 MODULE = B PACKAGE = B::NV PREFIX = Sv
1368 COP_SEQ_RANGE_LOW(sv)
1372 COP_SEQ_RANGE_HIGH(sv)
1376 PARENT_PAD_INDEX(sv)
1380 PARENT_FAKELEX_FLAGS(sv)
1383 MODULE = B PACKAGE = B::RV PREFIX = Sv
1389 MODULE = B PACKAGE = B::PV PREFIX = Sv
1403 croak( "argument is not SvROK" );
1412 ST(0) = sv_newmortal();
1414 /* FIXME - we need a better way for B to identify PVs that are
1415 in the pads as variable names. */
1416 if((SvLEN(sv) && SvCUR(sv) >= SvLEN(sv))) {
1417 /* It claims to be longer than the space allocated for it -
1418 presuambly it's a variable name in the pad */
1419 sv_setpv(ST(0), SvPV_nolen_const(sv));
1421 sv_setpvn(ST(0), SvPVX_const(sv), SvCUR(sv));
1423 SvFLAGS(ST(0)) |= SvUTF8(sv);
1426 /* XXX for backward compatibility, but should fail */
1427 /* croak( "argument is not SvPOK" ); */
1428 sv_setpvn(ST(0), NULL, 0);
1431 # This used to read 257. I think that that was buggy - should have been 258.
1432 # (The "\0", the flags byte, and 256 for the table. Not that anything
1433 # anywhere calls this method. NWC.
1438 ST(0) = sv_newmortal();
1439 sv_setpvn(ST(0), SvPVX_const(sv),
1440 SvCUR(sv) + (SvVALID(sv) ? 256 + PERL_FBM_TABLE_OFFSET : 0));
1451 MODULE = B PACKAGE = B::PVMG PREFIX = Sv
1456 MAGIC * mg = NO_INIT
1458 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
1459 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
1461 MODULE = B PACKAGE = B::PVMG
1467 #define MgMOREMAGIC(mg) mg->mg_moremagic
1468 #define MgPRIVATE(mg) mg->mg_private
1469 #define MgTYPE(mg) mg->mg_type
1470 #define MgFLAGS(mg) mg->mg_flags
1471 #define MgOBJ(mg) mg->mg_obj
1472 #define MgLENGTH(mg) mg->mg_len
1473 #define MgREGEX(mg) PTR2IV(mg->mg_obj)
1475 MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
1481 if( MgMOREMAGIC(mg) ) {
1482 RETVAL = MgMOREMAGIC(mg);
1510 if(mg->mg_type == PERL_MAGIC_qr) {
1511 RETVAL = MgREGEX(mg);
1514 croak( "REGEX is only meaningful on r-magic" );
1523 if (mg->mg_type == PERL_MAGIC_qr) {
1524 REGEXP* rx = (REGEXP*)mg->mg_obj;
1527 RETVAL = newSVpvn( rx->precomp, rx->prelen );
1530 croak( "precomp is only meaningful on r-magic" );
1543 ST(0) = sv_newmortal();
1545 if (mg->mg_len >= 0){
1546 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
1547 } else if (mg->mg_len == HEf_SVKEY) {
1548 ST(0) = make_sv_object(aTHX_
1549 sv_newmortal(), (SV*)mg->mg_ptr);
1553 MODULE = B PACKAGE = B::PVLV PREFIX = Lv
1571 MODULE = B PACKAGE = B::BM PREFIX = Bm
1588 STRLEN len = NO_INIT
1589 char * str = NO_INIT
1591 str = SvPV(sv, len);
1592 /* Boyer-Moore table is just after string and its safety-margin \0 */
1593 ST(0) = sv_2mortal(newSVpvn(str + len + PERL_FBM_TABLE_OFFSET, 256));
1595 MODULE = B PACKAGE = B::GV PREFIX = Gv
1601 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
1607 RETVAL = GvGP(gv) == Null(GP*);
1631 RETVAL = (SV*)GvFORM(gv);
1667 MODULE = B PACKAGE = B::GV
1677 MODULE = B PACKAGE = B::IO PREFIX = Io
1730 if( strEQ( name, "stdin" ) ) {
1731 handle = PerlIO_stdin();
1733 else if( strEQ( name, "stdout" ) ) {
1734 handle = PerlIO_stdout();
1736 else if( strEQ( name, "stderr" ) ) {
1737 handle = PerlIO_stderr();
1740 croak( "Invalid value '%s'", name );
1742 RETVAL = handle == IoIFP(io);
1746 MODULE = B PACKAGE = B::IO
1756 MODULE = B PACKAGE = B::AV PREFIX = Av
1766 #if PERL_VERSION < 9
1769 #define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1781 if (AvFILL(av) >= 0) {
1782 SV **svp = AvARRAY(av);
1784 for (i = 0; i <= AvFILL(av); i++)
1785 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
1793 if (idx >= 0 && AvFILL(av) >= 0 && idx <= AvFILL(av))
1794 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), (AvARRAY(av)[idx])));
1796 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), NULL));
1798 #if PERL_VERSION < 9
1800 MODULE = B PACKAGE = B::AV
1808 MODULE = B PACKAGE = B::FM PREFIX = Fm
1814 MODULE = B PACKAGE = B::CV PREFIX = Cv
1828 RETVAL = CvISXSUB(cv) ? NULL : CvSTART(cv);
1836 RETVAL = CvISXSUB(cv) ? NULL : CvROOT(cv);
1868 ST(0) = sv_2mortal(newSViv(CvISXSUB(cv) ? PTR2IV(CvXSUB(cv)) : 0));
1875 ST(0) = CvCONST(cv) ?
1876 make_sv_object(aTHX_ sv_newmortal(),(SV *)CvXSUBANY(cv).any_ptr) :
1877 sv_2mortal(newSViv(CvISXSUB(cv) ? CvXSUBANY(cv).any_iv : 0));
1879 MODULE = B PACKAGE = B::CV
1885 MODULE = B PACKAGE = B::CV PREFIX = cv_
1892 MODULE = B PACKAGE = B::HV PREFIX = Hv
1914 #if PERL_VERSION < 9
1926 if (HvKEYS(hv) > 0) {
1930 (void)hv_iterinit(hv);
1931 EXTEND(sp, HvKEYS(hv) * 2);
1932 while ((sv = hv_iternextsv(hv, &key, &len))) {
1933 PUSHs(newSVpvn(key, len));
1934 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
1938 MODULE = B PACKAGE = B::HE PREFIX = He
1952 MODULE = B PACKAGE = B::RHE PREFIX = RHE_
1954 #if PERL_VERSION >= 9
1960 RETVAL = newRV( (SV*)Perl_refcounted_he_chain_2hv(aTHX_ h) );