1 /* This file is part of the indirect Perl module.
2 * See http://search.cpan.org/dist/indirect/ */
4 #define PERL_NO_GET_CONTEXT
9 #define __PACKAGE__ "indirect"
10 #define __PACKAGE_LEN__ (sizeof(__PACKAGE__)-1)
12 /* --- Compatibility wrappers ---------------------------------------------- */
23 # define Newx(v, n, c) New(0, v, n, c)
27 # define SvPV_const SvPV
30 #ifndef SvPV_nolen_const
31 # define SvPV_nolen_const SvPV_nolen
35 # define SvPVX_const SvPVX
38 #ifndef SvREFCNT_inc_simple_void_NN
39 # ifdef SvREFCNT_inc_simple_NN
40 # define SvREFCNT_inc_simple_void_NN SvREFCNT_inc_simple_NN
42 # define SvREFCNT_inc_simple_void_NN SvREFCNT_inc
46 #ifndef sv_catpvn_nomg
47 # define sv_catpvn_nomg sv_catpvn
51 # define mPUSHp(P, L) PUSHs(sv_2mortal(newSVpvn((P), (L))))
55 # define mPUSHu(U) PUSHs(sv_2mortal(newSVuv(U)))
59 # define HvNAME_get(H) HvNAME(H)
63 # define HvNAMELEN_get(H) strlen(HvNAME_get(H))
67 # define OP_SIBLING(O) ((O)->op_sibling)
70 #define I_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
72 #if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
74 # define PL_linestr PL_parser->linestr
77 # define PL_bufptr PL_parser->bufptr
80 # define PL_oldbufptr PL_parser->oldbufptr
82 # ifndef PL_lex_inwhat
83 # define PL_lex_inwhat PL_parser->lex_inwhat
87 # define PL_linestr PL_Ilinestr
90 # define PL_bufptr PL_Ibufptr
93 # define PL_oldbufptr PL_Ioldbufptr
95 # ifndef PL_lex_inwhat
96 # define PL_lex_inwhat PL_Ilex_inwhat
100 #ifndef I_WORKAROUND_REQUIRE_PROPAGATION
101 # define I_WORKAROUND_REQUIRE_PROPAGATION !I_HAS_PERL(5, 10, 1)
104 /* ... Thread safety and multiplicity ...................................... */
106 /* Safe unless stated otherwise in Makefile.PL */
108 # define I_FORKSAFE 1
111 #ifndef I_MULTIPLICITY
112 # if defined(MULTIPLICITY) || defined(PERL_IMPLICIT_CONTEXT)
113 # define I_MULTIPLICITY 1
115 # define I_MULTIPLICITY 0
118 #if I_MULTIPLICITY && !defined(tTHX)
119 # define tTHX PerlInterpreter*
122 #if I_MULTIPLICITY && defined(USE_ITHREADS) && defined(dMY_CXT) && defined(MY_CXT) && defined(START_MY_CXT) && defined(MY_CXT_INIT) && (defined(MY_CXT_CLONE) || defined(dMY_CXT_SV))
123 # define I_THREADSAFE 1
124 # ifndef MY_CXT_CLONE
125 # define MY_CXT_CLONE \
127 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1)); \
128 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t); \
129 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
132 # define I_THREADSAFE 0
134 # define dMY_CXT dNOOP
136 # define MY_CXT indirect_globaldata
138 # define START_MY_CXT STATIC my_cxt_t MY_CXT;
140 # define MY_CXT_INIT NOOP
142 # define MY_CXT_CLONE NOOP
145 #if defined(OP_CHECK_MUTEX_LOCK) && defined(OP_CHECK_MUTEX_UNLOCK)
146 # define I_CHECK_MUTEX_LOCK OP_CHECK_MUTEX_LOCK
147 # define I_CHECK_MUTEX_UNLOCK OP_CHECK_MUTEX_UNLOCK
149 # define I_CHECK_MUTEX_LOCK OP_REFCNT_LOCK
150 # define I_CHECK_MUTEX_UNLOCK OP_REFCNT_UNLOCK
153 typedef OP *(*indirect_ck_t)(pTHX_ OP *);
155 #ifdef wrap_op_checker
157 # define indirect_ck_replace(T, NC, OCP) wrap_op_checker((T), (NC), (OCP))
161 STATIC void indirect_ck_replace(pTHX_ OPCODE type, indirect_ck_t new_ck, indirect_ck_t *old_ck_p) {
162 #define indirect_ck_replace(T, NC, OCP) indirect_ck_replace(aTHX_ (T), (NC), (OCP))
165 *old_ck_p = PL_check[type];
166 PL_check[type] = new_ck;
168 I_CHECK_MUTEX_UNLOCK;
173 STATIC void indirect_ck_restore(pTHX_ OPCODE type, indirect_ck_t *old_ck_p) {
174 #define indirect_ck_restore(T, OCP) indirect_ck_restore(aTHX_ (T), (OCP))
177 PL_check[type] = *old_ck_p;
180 I_CHECK_MUTEX_UNLOCK;
183 /* --- Helpers ------------------------------------------------------------- */
185 /* ... Thread-safe hints ................................................... */
187 #if I_WORKAROUND_REQUIRE_PROPAGATION
194 #define I_HINT_STRUCT 1
196 #define I_HINT_CODE(H) ((H)->code)
198 #define I_HINT_FREE(H) { \
199 indirect_hint_t *h = (H); \
200 SvREFCNT_dec(h->code); \
201 PerlMemShared_free(h); \
204 #else /* I_WORKAROUND_REQUIRE_PROPAGATION */
206 typedef SV indirect_hint_t;
208 #define I_HINT_STRUCT 0
210 #define I_HINT_CODE(H) (H)
212 #define I_HINT_FREE(H) SvREFCNT_dec(H);
214 #endif /* !I_WORKAROUND_REQUIRE_PROPAGATION */
218 #define PTABLE_NAME ptable_hints
219 #define PTABLE_VAL_FREE(V) I_HINT_FREE(V)
228 #define ptable_hints_store(T, K, V) ptable_hints_store(aTHX_ (T), (K), (V))
229 #define ptable_hints_free(T) ptable_hints_free(aTHX_ (T))
231 #endif /* I_THREADSAFE */
233 /* Define the op->str ptable here because we need to be able to clean it during
242 } indirect_op_info_t;
244 #define PTABLE_NAME ptable
245 #define PTABLE_VAL_FREE(V) if (V) { Safefree(((indirect_op_info_t *) (V))->buf); Safefree(V); }
254 #define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
255 #define ptable_delete(T, K) ptable_delete(aTHX_ (T), (K))
256 #define ptable_clear(T) ptable_clear(aTHX_ (T))
257 #define ptable_free(T) ptable_free(aTHX_ (T))
259 #define MY_CXT_KEY __PACKAGE__ "::_guts" XS_VERSION
263 ptable *tbl; /* It really is a ptable_hints */
276 #if I_HAS_PERL(5, 13, 2)
277 CLONE_PARAMS *params;
281 } indirect_ptable_clone_ud;
283 #if I_HAS_PERL(5, 13, 2)
284 # define indirect_ptable_clone_ud_init(U, T, O) \
286 (U).params = Perl_clone_params_new((O), aTHX)
287 # define indirect_ptable_clone_ud_deinit(U) Perl_clone_params_del((U).params)
288 # define indirect_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), (U)->params))
290 # define indirect_ptable_clone_ud_init(U, T, O) \
292 (U).params.stashes = newAV(); \
293 (U).params.flags = 0; \
294 (U).params.proto_perl = (O)
295 # define indirect_ptable_clone_ud_deinit(U) SvREFCNT_dec((U).params.stashes)
296 # define indirect_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), &((U)->params)))
299 STATIC void indirect_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
300 indirect_ptable_clone_ud *ud = ud_;
301 indirect_hint_t *h1 = ent->val;
306 h2 = PerlMemShared_malloc(sizeof *h2);
307 h2->code = indirect_dup_inc(h1->code, ud);
308 #if I_WORKAROUND_REQUIRE_PROPAGATION
309 h2->require_tag = PTR2IV(indirect_dup_inc(INT2PTR(SV *, h1->require_tag), ud));
312 #else /* I_HINT_STRUCT */
314 h2 = indirect_dup_inc(h1, ud);
316 #endif /* !I_HINT_STRUCT */
318 ptable_hints_store(ud->tbl, ent->key, h2);
321 STATIC void indirect_thread_cleanup(pTHX_ void *ud) {
324 SvREFCNT_dec(MY_CXT.global_code);
325 MY_CXT.global_code = NULL;
326 ptable_free(MY_CXT.map);
328 ptable_hints_free(MY_CXT.tbl);
332 STATIC int indirect_endav_free(pTHX_ SV *sv, MAGIC *mg) {
333 SAVEDESTRUCTOR_X(indirect_thread_cleanup, NULL);
338 STATIC MGVTBL indirect_endav_vtbl = {
355 #endif /* I_THREADSAFE */
357 #if I_WORKAROUND_REQUIRE_PROPAGATION
358 STATIC IV indirect_require_tag(pTHX) {
359 #define indirect_require_tag() indirect_require_tag(aTHX)
360 const CV *cv, *outside;
365 /* If for some reason the pragma is operational at run-time, try to discover
366 * the current cv in use. */
369 for (si = PL_curstackinfo; si; si = si->si_prev) {
372 for (cxix = si->si_cxix; cxix >= 0; --cxix) {
373 const PERL_CONTEXT *cx = si->si_cxstack + cxix;
375 switch (CxTYPE(cx)) {
378 /* The propagation workaround is only needed up to 5.10.0 and at that
379 * time format and sub contexts were still identical. And even later the
380 * cv members offsets should have been kept the same. */
382 goto get_enclosing_cv;
384 cv = cx->blk_eval.cv;
385 goto get_enclosing_cv;
396 for (outside = CvOUTSIDE(cv); outside; outside = CvOUTSIDE(cv))
401 #endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
403 STATIC SV *indirect_tag(pTHX_ SV *value) {
404 #define indirect_tag(V) indirect_tag(aTHX_ (V))
412 #endif /* I_THREADSAFE */
416 if (SvTYPE(value) >= SVt_PVCV) {
418 SvREFCNT_inc_simple_void_NN(code);
423 h = PerlMemShared_malloc(sizeof *h);
425 # if I_WORKAROUND_REQUIRE_PROPAGATION
426 h->require_tag = indirect_require_tag();
427 # endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
428 #else /* I_HINT_STRUCT */
430 #endif /* !I_HINT_STRUCT */
433 /* We only need for the key to be an unique tag for looking up the value later
434 * Allocated memory provides convenient unique identifiers, so that's why we
435 * use the hint as the key itself. */
436 ptable_hints_store(MY_CXT.tbl, h, h);
437 #endif /* I_THREADSAFE */
439 return newSViv(PTR2IV(h));
442 STATIC SV *indirect_detag(pTHX_ const SV *hint) {
443 #define indirect_detag(H) indirect_detag(aTHX_ (H))
445 #if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
452 #endif /* I_THREADSAFE */
454 h = INT2PTR(indirect_hint_t *, SvIVX(hint));
456 h = ptable_fetch(MY_CXT.tbl, h);
457 #endif /* I_THREADSAFE */
459 #if I_WORKAROUND_REQUIRE_PROPAGATION
460 if (indirect_require_tag() != h->require_tag)
461 return MY_CXT.global_code;
462 #endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
464 return I_HINT_CODE(h);
467 STATIC U32 indirect_hash = 0;
469 STATIC SV *indirect_hint(pTHX) {
470 #define indirect_hint() indirect_hint(aTHX)
476 #if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
481 #ifdef cop_hints_fetch_pvn
482 hint = cop_hints_fetch_pvn(PL_curcop, __PACKAGE__, __PACKAGE_LEN__,
484 #elif I_HAS_PERL(5, 9, 5)
485 hint = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
487 __PACKAGE__, __PACKAGE_LEN__,
492 SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__, 0);
498 if (hint && SvIOK(hint))
499 return indirect_detag(hint);
502 return MY_CXT.global_code;
506 /* ... op -> source position ............................................... */
508 STATIC void indirect_map_store(pTHX_ const OP *o, STRLEN pos, SV *sv, line_t line) {
509 #define indirect_map_store(O, P, N, L) indirect_map_store(aTHX_ (O), (P), (N), (L))
510 indirect_op_info_t *oi;
515 /* No need to check for MY_CXT.map != NULL because this code path is always
516 * guarded by indirect_hint(). */
518 if (!(oi = ptable_fetch(MY_CXT.map, o))) {
519 Newx(oi, 1, indirect_op_info_t);
520 ptable_store(MY_CXT.map, o, oi);
526 s = SvPV_const(sv, len);
532 if (len > oi->size) {
534 Newx(oi->buf, len, char);
537 Copy(s, oi->buf, len, char);
544 STATIC const indirect_op_info_t *indirect_map_fetch(pTHX_ const OP *o) {
545 #define indirect_map_fetch(O) indirect_map_fetch(aTHX_ (O))
548 /* No need to check for MY_CXT.map != NULL because this code path is always
549 * guarded by indirect_hint(). */
551 return ptable_fetch(MY_CXT.map, o);
554 STATIC void indirect_map_delete(pTHX_ const OP *o) {
555 #define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
559 ptable_delete(MY_CXT.map, o);
562 /* --- Check functions ----------------------------------------------------- */
564 STATIC int indirect_find(pTHX_ SV *name_sv, const char *line_bufptr, STRLEN *name_pos) {
565 #define indirect_find(NSV, LBP, NP) indirect_find(aTHX_ (NSV), (LBP), (NP))
566 STRLEN name_len, line_len;
567 const char *name, *name_end;
568 const char *line, *line_end;
571 line = SvPV_const(PL_linestr, line_len);
572 line_end = line + line_len;
574 name = SvPV_const(name_sv, name_len);
575 if (name_len >= 1 && *name == '$') {
578 while (line_bufptr < line_end && *line_bufptr != '$')
580 if (line_bufptr >= line_end)
583 name_end = name + name_len;
587 p = ninstr(p, line_end, name, name_end);
590 if (!isALNUM(p[name_len]))
592 /* p points to a word that has name as prefix, skip the rest of the word */
598 *name_pos = p - line;
603 /* ... ck_const ............................................................ */
605 STATIC OP *(*indirect_old_ck_const)(pTHX_ OP *) = 0;
607 STATIC OP *indirect_ck_const(pTHX_ OP *o) {
608 o = indirect_old_ck_const(aTHX_ o);
610 if (indirect_hint()) {
613 if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) {
616 if (indirect_find(sv, PL_oldbufptr, &pos)) {
619 /* If the constant is equal to the current package name, try to look for
620 * a "__PACKAGE__" coming before what we got. We only need to check this
621 * when we already had a match because __PACKAGE__ can only appear in
622 * direct method calls ("new __PACKAGE__" is a syntax error). */
625 && len == (STRLEN) HvNAMELEN_get(PL_curstash)
626 && memcmp(SvPVX(sv), HvNAME_get(PL_curstash), len) == 0) {
628 SV *pkg = sv_newmortal();
629 sv_setpvn(pkg, "__PACKAGE__", sizeof("__PACKAGE__")-1);
631 if (indirect_find(pkg, PL_oldbufptr, &pos_pkg) && pos_pkg < pos) {
637 indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
643 indirect_map_delete(o);
647 /* ... ck_rv2sv ............................................................ */
649 STATIC OP *(*indirect_old_ck_rv2sv)(pTHX_ OP *) = 0;
651 STATIC OP *indirect_ck_rv2sv(pTHX_ OP *o) {
652 if (indirect_hint()) {
653 OP *op = cUNOPo->op_first;
655 const char *name = NULL;
657 OPCODE type = (OPCODE) op->op_type;
662 GV *gv = cGVOPx_gv(op);
668 if ((PL_opargs[type] & OA_CLASS_MASK) == OA_SVOP) {
669 SV *nsv = cSVOPx_sv(op);
670 if (SvPOK(nsv) && (SvTYPE(nsv) >= SVt_PV))
671 name = SvPV_const(nsv, len);
677 sv = sv_2mortal(newSVpvn("$", 1));
678 sv_catpvn_nomg(sv, name, len);
679 if (!indirect_find(sv, PL_oldbufptr, &pos)) {
680 /* If it failed, retry without the current stash */
681 const char *stash = HvNAME_get(PL_curstash);
682 STRLEN stashlen = HvNAMELEN_get(PL_curstash);
684 if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
685 || name[stashlen] != ':' || name[stashlen+1] != ':') {
686 /* Failed again ? Try to remove main */
689 if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
690 || name[stashlen] != ':' || name[stashlen+1] != ':')
694 sv_setpvn(sv, "$", 1);
696 sv_catpvn_nomg(sv, name + stashlen, len - stashlen);
697 if (!indirect_find(sv, PL_oldbufptr, &pos))
701 o = indirect_old_ck_rv2sv(aTHX_ o);
703 indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
708 o = indirect_old_ck_rv2sv(aTHX_ o);
710 indirect_map_delete(o);
714 /* ... ck_padany ........................................................... */
716 STATIC OP *(*indirect_old_ck_padany)(pTHX_ OP *) = 0;
718 STATIC OP *indirect_ck_padany(pTHX_ OP *o) {
719 o = indirect_old_ck_padany(aTHX_ o);
721 if (indirect_hint()) {
723 const char *s = PL_oldbufptr, *t = PL_bufptr - 1;
725 while (s < t && isSPACE(*s)) ++s;
726 if (*s == '$' && ++s <= t) {
727 while (s < t && isSPACE(*s)) ++s;
728 while (s < t && isSPACE(*t)) --t;
729 sv = sv_2mortal(newSVpvn("$", 1));
730 sv_catpvn_nomg(sv, s, t - s + 1);
731 indirect_map_store(o, s - SvPVX_const(PL_linestr),
732 sv, CopLINE(&PL_compiling));
737 indirect_map_delete(o);
741 /* ... ck_scope ............................................................ */
743 STATIC OP *(*indirect_old_ck_scope) (pTHX_ OP *) = 0;
744 STATIC OP *(*indirect_old_ck_lineseq)(pTHX_ OP *) = 0;
746 STATIC OP *indirect_ck_scope(pTHX_ OP *o) {
747 OP *(*old_ck)(pTHX_ OP *) = 0;
749 switch (o->op_type) {
750 case OP_SCOPE: old_ck = indirect_old_ck_scope; break;
751 case OP_LINESEQ: old_ck = indirect_old_ck_lineseq; break;
755 if (indirect_hint()) {
756 indirect_map_store(o, PL_oldbufptr - SvPVX_const(PL_linestr),
757 NULL, CopLINE(&PL_compiling));
761 indirect_map_delete(o);
765 /* We don't need to clean the map entries for leave ops because they can only
766 * be created by mutating from a lineseq. */
768 /* ... ck_method ........................................................... */
770 STATIC OP *(*indirect_old_ck_method)(pTHX_ OP *) = 0;
772 STATIC OP *indirect_ck_method(pTHX_ OP *o) {
773 if (indirect_hint()) {
774 OP *op = cUNOPo->op_first;
776 /* Indirect method call is only possible when the method is a bareword, so
777 * don't trip up on $obj->$meth. */
778 if (op && op->op_type == OP_CONST) {
779 const indirect_op_info_t *oi = indirect_map_fetch(op);
787 sv = sv_2mortal(newSVpvn(oi->buf, oi->len));
789 /* Keep the old line so that we really point to the first line of the
793 o = indirect_old_ck_method(aTHX_ o);
794 /* o may now be a method_named */
796 indirect_map_store(o, pos, sv, line);
802 o = indirect_old_ck_method(aTHX_ o);
804 indirect_map_delete(o);
808 /* ... ck_method_named ..................................................... */
810 /* "use foo/no foo" compiles its call to import/unimport directly to a
811 * method_named op. */
813 STATIC OP *(*indirect_old_ck_method_named)(pTHX_ OP *) = 0;
815 STATIC OP *indirect_ck_method_named(pTHX_ OP *o) {
816 if (indirect_hint()) {
822 if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
824 sv = sv_mortalcopy(sv);
826 if (!indirect_find(sv, PL_oldbufptr, &pos))
828 line = CopLINE(&PL_compiling);
830 o = indirect_old_ck_method_named(aTHX_ o);
832 indirect_map_store(o, pos, sv, line);
837 o = indirect_old_ck_method_named(aTHX_ o);
839 indirect_map_delete(o);
843 /* ... ck_entersub ......................................................... */
845 STATIC OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0;
847 STATIC OP *indirect_ck_entersub(pTHX_ OP *o) {
848 SV *code = indirect_hint();
850 o = indirect_old_ck_entersub(aTHX_ o);
853 const indirect_op_info_t *moi, *ooi;
859 lop = (LISTOP *) oop;
860 if (!(lop->op_flags & OPf_KIDS))
863 } while (oop->op_type != OP_PUSHMARK);
864 oop = OP_SIBLING(oop);
870 switch (oop->op_type) {
881 if (mop->op_type == OP_METHOD)
882 mop = cUNOPx(mop)->op_first;
883 else if (mop->op_type != OP_METHOD_NAMED)
886 moi = indirect_map_fetch(mop);
890 ooi = indirect_map_fetch(oop);
894 /* When positions are identical, the method and the object must have the
895 * same name. But it also means that it is an indirect call, as "foo->foo"
896 * results in different positions. */
897 if ( moi->line < ooi->line
898 || (moi->line == ooi->line && moi->pos <= ooi->pos)) {
906 file = sv_2mortal(newSVpv(CopFILE(&PL_compiling), 0));
908 file = sv_mortalcopy(CopFILESV(&PL_compiling));
913 mPUSHp(ooi->buf, ooi->len);
914 mPUSHp(moi->buf, moi->len);
919 call_sv(code, G_VOID);
932 STATIC U32 indirect_initialized = 0;
934 STATIC void indirect_teardown(pTHX_ void *root) {
935 if (!indirect_initialized)
945 ptable_free(MY_CXT.map);
948 ptable_hints_free(MY_CXT.tbl);
953 indirect_ck_restore(OP_CONST, &indirect_old_ck_const);
954 indirect_ck_restore(OP_RV2SV, &indirect_old_ck_rv2sv);
955 indirect_ck_restore(OP_PADANY, &indirect_old_ck_padany);
956 indirect_ck_restore(OP_SCOPE, &indirect_old_ck_scope);
957 indirect_ck_restore(OP_LINESEQ, &indirect_old_ck_lineseq);
959 indirect_ck_restore(OP_METHOD, &indirect_old_ck_method);
960 indirect_ck_restore(OP_METHOD_NAMED, &indirect_old_ck_method_named);
961 indirect_ck_restore(OP_ENTERSUB, &indirect_old_ck_entersub);
963 indirect_initialized = 0;
966 STATIC void indirect_setup(pTHX) {
967 #define indirect_setup() indirect_setup(aTHX)
968 if (indirect_initialized)
974 MY_CXT.tbl = ptable_new();
977 MY_CXT.map = ptable_new();
978 MY_CXT.global_code = NULL;
981 indirect_ck_replace(OP_CONST, indirect_ck_const, &indirect_old_ck_const);
982 indirect_ck_replace(OP_RV2SV, indirect_ck_rv2sv, &indirect_old_ck_rv2sv);
983 indirect_ck_replace(OP_PADANY, indirect_ck_padany, &indirect_old_ck_padany);
984 indirect_ck_replace(OP_SCOPE, indirect_ck_scope, &indirect_old_ck_scope);
985 indirect_ck_replace(OP_LINESEQ, indirect_ck_scope, &indirect_old_ck_lineseq);
987 indirect_ck_replace(OP_METHOD, indirect_ck_method,
988 &indirect_old_ck_method);
989 indirect_ck_replace(OP_METHOD_NAMED, indirect_ck_method_named,
990 &indirect_old_ck_method_named);
991 indirect_ck_replace(OP_ENTERSUB, indirect_ck_entersub,
992 &indirect_old_ck_entersub);
995 call_atexit(indirect_teardown, aTHX);
997 call_atexit(indirect_teardown, NULL);
1000 indirect_initialized = 1;
1003 STATIC U32 indirect_booted = 0;
1005 /* --- XS ------------------------------------------------------------------ */
1007 MODULE = indirect PACKAGE = indirect
1013 if (!indirect_booted++) {
1016 PERL_HASH(indirect_hash, __PACKAGE__, __PACKAGE_LEN__);
1018 stash = gv_stashpvn(__PACKAGE__, __PACKAGE_LEN__, 1);
1019 newCONSTSUB(stash, "I_THREADSAFE", newSVuv(I_THREADSAFE));
1020 newCONSTSUB(stash, "I_FORKSAFE", newSVuv(I_FORKSAFE));
1033 SV *global_code_dup;
1037 indirect_ptable_clone_ud ud;
1040 indirect_ptable_clone_ud_init(ud, t, MY_CXT.owner);
1041 ptable_walk(MY_CXT.tbl, indirect_ptable_clone, &ud);
1042 global_code_dup = indirect_dup_inc(MY_CXT.global_code, &ud);
1043 indirect_ptable_clone_ud_deinit(ud);
1047 MY_CXT.map = ptable_new();
1049 MY_CXT.owner = aTHX;
1050 MY_CXT.global_code = global_code_dup;
1052 gv = gv_fetchpv(__PACKAGE__ "::_THREAD_CLEANUP", 0, SVt_PVCV);
1058 if (!av_store(PL_endav, av_len(PL_endav) + 1, (SV *) cv))
1060 sv_magicext((SV *) PL_endav, NULL, PERL_MAGIC_ext, &indirect_endav_vtbl, NULL, 0);
1065 _THREAD_CLEANUP(...)
1068 indirect_thread_cleanup(aTHX_ NULL);
1077 RETVAL = indirect_tag(value);
1087 else if (SvROK(code))
1091 SvREFCNT_dec(MY_CXT.global_code);
1092 MY_CXT.global_code = SvREFCNT_inc(code);