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 && (kid = cPMOPo->op_pmreplroot))
492 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ kid)), PTR2IV(kid));
493 walkoptree(aTHX_ opsv, method);
498 oplist(pTHX_ OP *o, SV **SP)
500 for(; o; o = o->op_next) {
502 #if PERL_VERSION >= 9
511 opsv = sv_newmortal();
512 sv_setiv(newSVrv(opsv, cc_opclassname(aTHX_ (OP*)o)), PTR2IV(o));
514 switch (o->op_type) {
516 SP = oplist(aTHX_ cPMOPo->op_pmreplstart, SP);
519 if (o->op_flags & OPf_STACKED && o->op_flags & OPf_SPECIAL) {
520 OP *kid = cLISTOPo->op_first->op_sibling; /* pass pushmark */
521 kid = kUNOP->op_first; /* pass rv2gv */
522 kid = kUNOP->op_first; /* pass leave */
523 SP = oplist(aTHX_ kid->op_next, SP);
527 switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
529 SP = oplist(aTHX_ cLOGOPo->op_other, SP);
532 SP = oplist(aTHX_ cLOOPo->op_lastop, SP);
533 SP = oplist(aTHX_ cLOOPo->op_nextop, SP);
534 SP = oplist(aTHX_ cLOOPo->op_redoop, SP);
542 typedef UNOP *B__UNOP;
543 typedef BINOP *B__BINOP;
544 typedef LOGOP *B__LOGOP;
545 typedef LISTOP *B__LISTOP;
546 typedef PMOP *B__PMOP;
547 typedef SVOP *B__SVOP;
548 typedef PADOP *B__PADOP;
549 typedef PVOP *B__PVOP;
550 typedef LOOP *B__LOOP;
568 typedef MAGIC *B__MAGIC;
570 #if PERL_VERSION >= 9
571 typedef struct refcounted_he *B__RHE;
574 MODULE = B PACKAGE = B PREFIX = B_
580 HV *stash = gv_stashpvn("B", 1, GV_ADD);
581 AV *export_ok = perl_get_av("B::EXPORT_OK",TRUE);
583 specialsv_list[0] = Nullsv;
584 specialsv_list[1] = &PL_sv_undef;
585 specialsv_list[2] = &PL_sv_yes;
586 specialsv_list[3] = &PL_sv_no;
587 specialsv_list[4] = (SV *) pWARN_ALL;
588 specialsv_list[5] = (SV *) pWARN_NONE;
589 specialsv_list[6] = (SV *) pWARN_STD;
590 #if PERL_VERSION <= 8
591 # define CVf_ASSERTION 0
592 # define OPpPAD_STATE 0
597 #define B_main_cv() PL_main_cv
598 #define B_init_av() PL_initav
599 #define B_inc_gv() PL_incgv
600 #define B_check_av() PL_checkav_save
602 # define B_unitcheck_av() PL_unitcheckav_save
604 # define B_unitcheck_av() NULL
606 #define B_begin_av() PL_beginav_save
607 #define B_end_av() PL_endav
608 #define B_main_root() PL_main_root
609 #define B_main_start() PL_main_start
610 #define B_amagic_generation() PL_amagic_generation
611 #define B_sub_generation() PL_sub_generation
612 #define B_defstash() PL_defstash
613 #define B_curstash() PL_curstash
614 #define B_dowarn() PL_dowarn
615 #define B_comppadlist() (PL_main_cv ? CvPADLIST(PL_main_cv) : CvPADLIST(PL_compcv))
616 #define B_sv_undef() &PL_sv_undef
617 #define B_sv_yes() &PL_sv_yes
618 #define B_sv_no() &PL_sv_no
619 #define B_formfeed() PL_formfeed
621 #define B_regex_padav() PL_regex_padav
630 #if PERL_VERSION >= 9
663 B_amagic_generation()
695 ST(0) = make_sv_object(aTHX_ sv_newmortal(), PL_warnhook);
700 ST(0) = make_sv_object(aTHX_ sv_newmortal(), PL_diehook);
702 MODULE = B PACKAGE = B
705 walkoptree(opsv, method)
709 walkoptree(aTHX_ opsv, method);
712 walkoptree_debug(...)
715 RETVAL = walkoptree_debug;
716 if (items > 0 && SvTRUE(ST(1)))
717 walkoptree_debug = 1;
721 #define address(sv) PTR2IV(sv)
732 croak("argument is not a reference");
733 RETVAL = (SV*)SvRV(sv);
744 ST(0) = sv_newmortal();
745 if (strncmp(name,"pp_",3) == 0)
747 for (i = 0; i < PL_maxo; i++)
749 if (strcmp(name, PL_op_name[i]) == 0)
755 sv_setiv(ST(0),result);
762 ST(0) = sv_newmortal();
763 if (opnum >= 0 && opnum < PL_maxo) {
764 sv_setpvn(ST(0), "pp_", 3);
765 sv_catpv(ST(0), PL_op_name[opnum]);
774 char hexhash[19]; /* must fit "0xffffffffffffffff" plus trailing \0 */
775 const char *s = SvPV(sv, len);
776 PERL_HASH(hash, s, len);
777 sprintf(hexhash, "0x%"UVxf, (UV)hash);
778 ST(0) = sv_2mortal(newSVpv(hexhash, 0));
780 #define cast_I32(foo) (I32)foo
799 RETVAL = cstring(aTHX_ sv, 0);
807 RETVAL = cstring(aTHX_ sv, 1);
815 RETVAL = cchar(aTHX_ sv);
822 #if PERL_VERSION <= 8
823 # ifdef USE_5005THREADS
825 const STRLEN len = strlen(PL_threadsv_names);
828 for (i = 0; i < len; i++)
829 PUSHs(sv_2mortal(newSVpvn(&PL_threadsv_names[i], 1)));
833 #define OP_next(o) o->op_next
834 #define OP_sibling(o) o->op_sibling
835 #define OP_desc(o) (char *)PL_op_desc[o->op_type]
836 #define OP_targ(o) o->op_targ
837 #define OP_type(o) o->op_type
838 #if PERL_VERSION >= 9
839 # define OP_opt(o) o->op_opt
840 # define OP_static(o) o->op_static
842 # define OP_seq(o) o->op_seq
844 #define OP_flags(o) o->op_flags
845 #define OP_private(o) o->op_private
846 #define OP_spare(o) o->op_spare
848 MODULE = B PACKAGE = B::OP PREFIX = OP_
854 RETVAL = opsizes[cc_opclass(aTHX_ o)];
870 RETVAL = (char *)PL_op_name[o->op_type];
880 SV *sv = sv_newmortal();
882 sv_setpvn(sv, "PL_ppaddr[OP_", 13);
883 sv_catpv(sv, PL_op_name[o->op_type]);
884 for (i=13; (STRLEN)i < SvCUR(sv); ++i)
885 SvPVX(sv)[i] = toUPPER(SvPVX(sv)[i]);
901 #if PERL_VERSION >= 9
927 #if PERL_VERSION >= 9
939 SP = oplist(aTHX_ o, SP);
941 #define UNOP_first(o) o->op_first
943 MODULE = B PACKAGE = B::UNOP PREFIX = UNOP_
949 #define BINOP_last(o) o->op_last
951 MODULE = B PACKAGE = B::BINOP PREFIX = BINOP_
957 #define LOGOP_other(o) o->op_other
959 MODULE = B PACKAGE = B::LOGOP PREFIX = LOGOP_
965 MODULE = B PACKAGE = B::LISTOP PREFIX = LISTOP_
974 for (kid = o->op_first; kid; kid = kid->op_sibling)
980 #define PMOP_pmreplroot(o) o->op_pmreplroot
981 #define PMOP_pmreplstart(o) o->op_pmreplstart
982 #define PMOP_pmnext(o) o->op_pmnext
983 #define PMOP_pmregexp(o) PM_GETRE(o)
985 #define PMOP_pmoffset(o) o->op_pmoffset
986 #define PMOP_pmstashpv(o) o->op_pmstashpv
988 #define PMOP_pmstash(o) o->op_pmstash
990 #define PMOP_pmflags(o) o->op_pmflags
991 #define PMOP_pmpermflags(o) o->op_pmpermflags
992 #define PMOP_pmdynflags(o) o->op_pmdynflags
994 MODULE = B PACKAGE = B::PMOP PREFIX = PMOP_
1001 ST(0) = sv_newmortal();
1002 root = o->op_pmreplroot;
1003 /* OP_PUSHRE stores an SV* instead of an OP* in op_pmreplroot */
1004 if (o->op_type == OP_PUSHRE) {
1006 sv_setiv(ST(0), INT2PTR(PADOFFSET,root) );
1008 sv_setiv(newSVrv(ST(0), root ?
1009 svclassnames[SvTYPE((SV*)root)] : "B::SV"),
1014 sv_setiv(newSVrv(ST(0), cc_opclassname(aTHX_ root)), PTR2IV(root));
1058 REGEXP * rx = NO_INIT
1060 ST(0) = sv_newmortal();
1063 sv_setpvn(ST(0), rx->precomp, rx->prelen);
1065 #define SVOP_sv(o) cSVOPo->op_sv
1066 #define SVOP_gv(o) ((GV*)cSVOPo->op_sv)
1068 MODULE = B PACKAGE = B::SVOP PREFIX = SVOP_
1078 #define PADOP_padix(o) o->op_padix
1079 #define PADOP_sv(o) (o->op_padix ? PAD_SVl(o->op_padix) : Nullsv)
1080 #define PADOP_gv(o) ((o->op_padix \
1081 && SvTYPE(PAD_SVl(o->op_padix)) == SVt_PVGV) \
1082 ? (GV*)PAD_SVl(o->op_padix) : Nullgv)
1084 MODULE = B PACKAGE = B::PADOP PREFIX = PADOP_
1098 MODULE = B PACKAGE = B::PVOP PREFIX = PVOP_
1105 * OP_TRANS uses op_pv to point to a table of 256 or >=258 shorts
1106 * whereas other PVOPs point to a null terminated string.
1108 if (o->op_type == OP_TRANS &&
1109 (o->op_private & OPpTRANS_COMPLEMENT) &&
1110 !(o->op_private & OPpTRANS_DELETE))
1112 const short* const tbl = (short*)o->op_pv;
1113 const short entries = 257 + tbl[256];
1114 ST(0) = sv_2mortal(newSVpv(o->op_pv, entries * sizeof(short)));
1116 else if (o->op_type == OP_TRANS) {
1117 ST(0) = sv_2mortal(newSVpv(o->op_pv, 256 * sizeof(short)));
1120 ST(0) = sv_2mortal(newSVpv(o->op_pv, 0));
1122 #define LOOP_redoop(o) o->op_redoop
1123 #define LOOP_nextop(o) o->op_nextop
1124 #define LOOP_lastop(o) o->op_lastop
1126 MODULE = B PACKAGE = B::LOOP PREFIX = LOOP_
1141 #define COP_label(o) o->cop_label
1142 #define COP_stashpv(o) CopSTASHPV(o)
1143 #define COP_stash(o) CopSTASH(o)
1144 #define COP_file(o) CopFILE(o)
1145 #define COP_filegv(o) CopFILEGV(o)
1146 #define COP_cop_seq(o) o->cop_seq
1147 #define COP_arybase(o) CopARYBASE_get(o)
1148 #define COP_line(o) CopLINE(o)
1149 #define COP_hints(o) CopHINTS_get(o)
1150 #if PERL_VERSION < 9
1151 # define COP_warnings(o) o->cop_warnings
1152 # define COP_io(o) o->cop_io
1155 MODULE = B PACKAGE = B::COP PREFIX = COP_
1190 #if PERL_VERSION >= 9
1196 ST(0) = make_warnings_object(aTHX_ sv_newmortal(), o->cop_warnings);
1203 ST(0) = make_cop_io_object(aTHX_ sv_newmortal(), o);
1210 RETVAL = o->cop_hints_hash;
1230 MODULE = B PACKAGE = B::SV
1236 #define object_2svref(sv) sv
1243 MODULE = B PACKAGE = B::SV PREFIX = Sv
1265 MODULE = B PACKAGE = B::IV PREFIX = Sv
1280 MODULE = B PACKAGE = B::IV
1282 #define needs64bits(sv) ((I32)SvIVX(sv) != SvIVX(sv))
1292 if (sizeof(IV) == 8) {
1294 const IV iv = SvIVX(sv);
1296 * The following way of spelling 32 is to stop compilers on
1297 * 32-bit architectures from moaning about the shift count
1298 * being >= the width of the type. Such architectures don't
1299 * reach this code anyway (unless sizeof(IV) > 8 but then
1300 * everything else breaks too so I'm not fussed at the moment).
1303 wp[0] = htonl(((UV)iv) >> (sizeof(UV)*4));
1305 wp[0] = htonl(((U32)iv) >> (sizeof(UV)*4));
1307 wp[1] = htonl(iv & 0xffffffff);
1308 ST(0) = sv_2mortal(newSVpvn((char *)wp, 8));
1310 U32 w = htonl((U32)SvIVX(sv));
1311 ST(0) = sv_2mortal(newSVpvn((char *)&w, 4));
1314 MODULE = B PACKAGE = B::NV PREFIX = Sv
1325 COP_SEQ_RANGE_LOW(sv)
1329 COP_SEQ_RANGE_HIGH(sv)
1333 PARENT_PAD_INDEX(sv)
1337 PARENT_FAKELEX_FLAGS(sv)
1340 MODULE = B PACKAGE = B::RV PREFIX = Sv
1346 MODULE = B PACKAGE = B::PV PREFIX = Sv
1360 croak( "argument is not SvROK" );
1369 ST(0) = sv_newmortal();
1371 /* FIXME - we need a better way for B to identify PVs that are
1372 in the pads as variable names. */
1373 if((SvLEN(sv) && SvCUR(sv) >= SvLEN(sv))) {
1374 /* It claims to be longer than the space allocated for it -
1375 presuambly it's a variable name in the pad */
1376 sv_setpv(ST(0), SvPV_nolen_const(sv));
1378 sv_setpvn(ST(0), SvPVX_const(sv), SvCUR(sv));
1380 SvFLAGS(ST(0)) |= SvUTF8(sv);
1383 /* XXX for backward compatibility, but should fail */
1384 /* croak( "argument is not SvPOK" ); */
1385 sv_setpvn(ST(0), NULL, 0);
1388 # This used to read 257. I think that that was buggy - should have been 258.
1389 # (The "\0", the flags byte, and 256 for the table. Not that anything
1390 # anywhere calls this method. NWC.
1395 ST(0) = sv_newmortal();
1396 sv_setpvn(ST(0), SvPVX_const(sv),
1397 SvCUR(sv) + (SvVALID(sv) ? 256 + PERL_FBM_TABLE_OFFSET : 0));
1408 MODULE = B PACKAGE = B::PVMG PREFIX = Sv
1413 MAGIC * mg = NO_INIT
1415 for (mg = SvMAGIC(sv); mg; mg = mg->mg_moremagic)
1416 XPUSHs(make_mg_object(aTHX_ sv_newmortal(), mg));
1418 MODULE = B PACKAGE = B::PVMG
1424 #define MgMOREMAGIC(mg) mg->mg_moremagic
1425 #define MgPRIVATE(mg) mg->mg_private
1426 #define MgTYPE(mg) mg->mg_type
1427 #define MgFLAGS(mg) mg->mg_flags
1428 #define MgOBJ(mg) mg->mg_obj
1429 #define MgLENGTH(mg) mg->mg_len
1430 #define MgREGEX(mg) PTR2IV(mg->mg_obj)
1432 MODULE = B PACKAGE = B::MAGIC PREFIX = Mg
1438 if( MgMOREMAGIC(mg) ) {
1439 RETVAL = MgMOREMAGIC(mg);
1467 if(mg->mg_type == PERL_MAGIC_qr) {
1468 RETVAL = MgREGEX(mg);
1471 croak( "REGEX is only meaningful on r-magic" );
1480 if (mg->mg_type == PERL_MAGIC_qr) {
1481 REGEXP* rx = (REGEXP*)mg->mg_obj;
1484 RETVAL = newSVpvn( rx->precomp, rx->prelen );
1487 croak( "precomp is only meaningful on r-magic" );
1500 ST(0) = sv_newmortal();
1502 if (mg->mg_len >= 0){
1503 sv_setpvn(ST(0), mg->mg_ptr, mg->mg_len);
1504 } else if (mg->mg_len == HEf_SVKEY) {
1505 ST(0) = make_sv_object(aTHX_
1506 sv_newmortal(), (SV*)mg->mg_ptr);
1510 MODULE = B PACKAGE = B::PVLV PREFIX = Lv
1528 MODULE = B PACKAGE = B::BM PREFIX = Bm
1545 STRLEN len = NO_INIT
1546 char * str = NO_INIT
1548 str = SvPV(sv, len);
1549 /* Boyer-Moore table is just after string and its safety-margin \0 */
1550 ST(0) = sv_2mortal(newSVpvn(str + len + PERL_FBM_TABLE_OFFSET, 256));
1552 MODULE = B PACKAGE = B::GV PREFIX = Gv
1558 ST(0) = sv_2mortal(newSVpvn(GvNAME(gv), GvNAMELEN(gv)));
1564 RETVAL = GvGP(gv) == Null(GP*);
1588 RETVAL = (SV*)GvFORM(gv);
1624 MODULE = B PACKAGE = B::GV
1634 MODULE = B PACKAGE = B::IO PREFIX = Io
1687 if( strEQ( name, "stdin" ) ) {
1688 handle = PerlIO_stdin();
1690 else if( strEQ( name, "stdout" ) ) {
1691 handle = PerlIO_stdout();
1693 else if( strEQ( name, "stderr" ) ) {
1694 handle = PerlIO_stderr();
1697 croak( "Invalid value '%s'", name );
1699 RETVAL = handle == IoIFP(io);
1703 MODULE = B PACKAGE = B::IO
1713 MODULE = B PACKAGE = B::AV PREFIX = Av
1723 #if PERL_VERSION < 9
1726 #define AvOFF(av) ((XPVAV*)SvANY(av))->xof_off
1738 if (AvFILL(av) >= 0) {
1739 SV **svp = AvARRAY(av);
1741 for (i = 0; i <= AvFILL(av); i++)
1742 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), svp[i]));
1750 if (idx >= 0 && AvFILL(av) >= 0 && idx <= AvFILL(av))
1751 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), (AvARRAY(av)[idx])));
1753 XPUSHs(make_sv_object(aTHX_ sv_newmortal(), NULL));
1755 #if PERL_VERSION < 9
1757 MODULE = B PACKAGE = B::AV
1765 MODULE = B PACKAGE = B::FM PREFIX = Fm
1771 MODULE = B PACKAGE = B::CV PREFIX = Cv
1785 RETVAL = CvISXSUB(cv) ? NULL : CvSTART(cv);
1793 RETVAL = CvISXSUB(cv) ? NULL : CvROOT(cv);
1825 ST(0) = sv_2mortal(newSViv(CvISXSUB(cv) ? PTR2IV(CvXSUB(cv)) : 0));
1832 ST(0) = CvCONST(cv) ?
1833 make_sv_object(aTHX_ sv_newmortal(),(SV *)CvXSUBANY(cv).any_ptr) :
1834 sv_2mortal(newSViv(CvISXSUB(cv) ? CvXSUBANY(cv).any_iv : 0));
1836 MODULE = B PACKAGE = B::CV
1842 MODULE = B PACKAGE = B::CV PREFIX = cv_
1849 MODULE = B PACKAGE = B::HV PREFIX = Hv
1871 #if PERL_VERSION < 9
1883 if (HvKEYS(hv) > 0) {
1887 (void)hv_iterinit(hv);
1888 EXTEND(sp, HvKEYS(hv) * 2);
1889 while ((sv = hv_iternextsv(hv, &key, &len))) {
1890 PUSHs(newSVpvn(key, len));
1891 PUSHs(make_sv_object(aTHX_ sv_newmortal(), sv));
1895 MODULE = B PACKAGE = B::HE PREFIX = He
1909 MODULE = B PACKAGE = B::RHE PREFIX = RHE_
1911 #if PERL_VERSION >= 9
1917 RETVAL = newRV( (SV*)Perl_refcounted_he_chain_2hv(aTHX_ h) );