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))
68 # define OpSIBLING(O) OP_SIBLING(O)
70 # define OpSIBLING(O) ((O)->op_sibling)
74 #define I_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
76 #if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
78 # define PL_linestr PL_parser->linestr
81 # define PL_bufptr PL_parser->bufptr
84 # define PL_oldbufptr PL_parser->oldbufptr
86 # ifndef PL_lex_inwhat
87 # define PL_lex_inwhat PL_parser->lex_inwhat
91 # define PL_linestr PL_Ilinestr
94 # define PL_bufptr PL_Ibufptr
97 # define PL_oldbufptr PL_Ioldbufptr
99 # ifndef PL_lex_inwhat
100 # define PL_lex_inwhat PL_Ilex_inwhat
104 #ifndef I_WORKAROUND_REQUIRE_PROPAGATION
105 # define I_WORKAROUND_REQUIRE_PROPAGATION !I_HAS_PERL(5, 10, 1)
108 /* ... Thread safety and multiplicity ...................................... */
110 /* Safe unless stated otherwise in Makefile.PL */
112 # define I_FORKSAFE 1
115 #ifndef I_MULTIPLICITY
116 # if defined(MULTIPLICITY)
117 # define I_MULTIPLICITY 1
119 # define I_MULTIPLICITY 0
123 # ifndef PERL_IMPLICIT_CONTEXT
124 # error MULTIPLICITY builds must set PERL_IMPLICIT_CONTEXT
127 #if I_MULTIPLICITY && !defined(tTHX)
128 # define tTHX PerlInterpreter*
131 #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))
132 # define I_THREADSAFE 1
133 # ifndef MY_CXT_CLONE
134 # define MY_CXT_CLONE \
136 my_cxt_t *my_cxtp = (my_cxt_t*)SvPVX(newSV(sizeof(my_cxt_t)-1)); \
137 Copy(INT2PTR(my_cxt_t*, SvUV(my_cxt_sv)), my_cxtp, 1, my_cxt_t); \
138 sv_setuv(my_cxt_sv, PTR2UV(my_cxtp))
141 # define I_THREADSAFE 0
143 # define dMY_CXT dNOOP
145 # define MY_CXT indirect_globaldata
147 # define START_MY_CXT static my_cxt_t MY_CXT;
149 # define MY_CXT_INIT NOOP
151 # define MY_CXT_CLONE NOOP
154 #if defined(OP_CHECK_MUTEX_LOCK) && defined(OP_CHECK_MUTEX_UNLOCK)
155 # define I_CHECK_MUTEX_LOCK OP_CHECK_MUTEX_LOCK
156 # define I_CHECK_MUTEX_UNLOCK OP_CHECK_MUTEX_UNLOCK
158 # define I_CHECK_MUTEX_LOCK OP_REFCNT_LOCK
159 # define I_CHECK_MUTEX_UNLOCK OP_REFCNT_UNLOCK
162 typedef OP *(*indirect_ck_t)(pTHX_ OP *);
164 #ifdef wrap_op_checker
166 # define indirect_ck_replace(T, NC, OCP) wrap_op_checker((T), (NC), (OCP))
170 static void indirect_ck_replace(pTHX_ OPCODE type, indirect_ck_t new_ck, indirect_ck_t *old_ck_p) {
171 #define indirect_ck_replace(T, NC, OCP) indirect_ck_replace(aTHX_ (T), (NC), (OCP))
174 *old_ck_p = PL_check[type];
175 PL_check[type] = new_ck;
177 I_CHECK_MUTEX_UNLOCK;
182 static void indirect_ck_restore(pTHX_ OPCODE type, indirect_ck_t *old_ck_p) {
183 #define indirect_ck_restore(T, OCP) indirect_ck_restore(aTHX_ (T), (OCP))
186 PL_check[type] = *old_ck_p;
189 I_CHECK_MUTEX_UNLOCK;
192 /* --- Helpers ------------------------------------------------------------- */
194 /* ... Thread-safe hints ................................................... */
196 #if I_WORKAROUND_REQUIRE_PROPAGATION
203 #define I_HINT_STRUCT 1
205 #define I_HINT_CODE(H) ((H)->code)
207 #define I_HINT_FREE(H) { \
208 indirect_hint_t *h = (H); \
209 SvREFCNT_dec(h->code); \
210 PerlMemShared_free(h); \
213 #else /* I_WORKAROUND_REQUIRE_PROPAGATION */
215 typedef SV indirect_hint_t;
217 #define I_HINT_STRUCT 0
219 #define I_HINT_CODE(H) (H)
221 #define I_HINT_FREE(H) SvREFCNT_dec(H);
223 #endif /* !I_WORKAROUND_REQUIRE_PROPAGATION */
227 #define PTABLE_NAME ptable_hints
228 #define PTABLE_VAL_FREE(V) I_HINT_FREE(V)
237 #define ptable_hints_store(T, K, V) ptable_hints_store(aTHX_ (T), (K), (V))
238 #define ptable_hints_free(T) ptable_hints_free(aTHX_ (T))
240 #endif /* I_THREADSAFE */
242 /* Define the op->str ptable here because we need to be able to clean it during
251 } indirect_op_info_t;
253 #define PTABLE_NAME ptable
254 #define PTABLE_VAL_FREE(V) if (V) { Safefree(((indirect_op_info_t *) (V))->buf); Safefree(V); }
263 #define ptable_store(T, K, V) ptable_store(aTHX_ (T), (K), (V))
264 #define ptable_delete(T, K) ptable_delete(aTHX_ (T), (K))
265 #define ptable_clear(T) ptable_clear(aTHX_ (T))
266 #define ptable_free(T) ptable_free(aTHX_ (T))
268 #define MY_CXT_KEY __PACKAGE__ "::_guts" XS_VERSION
272 ptable *tbl; /* It really is a ptable_hints */
285 #if I_HAS_PERL(5, 13, 2)
286 CLONE_PARAMS *params;
290 } indirect_ptable_clone_ud;
292 #if I_HAS_PERL(5, 13, 2)
293 # define indirect_ptable_clone_ud_init(U, T, O) \
295 (U).params = Perl_clone_params_new((O), aTHX)
296 # define indirect_ptable_clone_ud_deinit(U) Perl_clone_params_del((U).params)
297 # define indirect_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), (U)->params))
299 # define indirect_ptable_clone_ud_init(U, T, O) \
301 (U).params.stashes = newAV(); \
302 (U).params.flags = 0; \
303 (U).params.proto_perl = (O)
304 # define indirect_ptable_clone_ud_deinit(U) SvREFCNT_dec((U).params.stashes)
305 # define indirect_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), &((U)->params)))
308 static void indirect_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
309 indirect_ptable_clone_ud *ud = ud_;
310 indirect_hint_t *h1 = ent->val;
315 h2 = PerlMemShared_malloc(sizeof *h2);
316 h2->code = indirect_dup_inc(h1->code, ud);
317 #if I_WORKAROUND_REQUIRE_PROPAGATION
318 h2->require_tag = PTR2IV(indirect_dup_inc(INT2PTR(SV *, h1->require_tag), ud));
321 #else /* I_HINT_STRUCT */
323 h2 = indirect_dup_inc(h1, ud);
325 #endif /* !I_HINT_STRUCT */
327 ptable_hints_store(ud->tbl, ent->key, h2);
330 static void indirect_thread_cleanup(pTHX_ void *ud) {
333 SvREFCNT_dec(MY_CXT.global_code);
334 MY_CXT.global_code = NULL;
335 ptable_free(MY_CXT.map);
337 ptable_hints_free(MY_CXT.tbl);
341 static int indirect_endav_free(pTHX_ SV *sv, MAGIC *mg) {
342 SAVEDESTRUCTOR_X(indirect_thread_cleanup, NULL);
347 static MGVTBL indirect_endav_vtbl = {
364 #endif /* I_THREADSAFE */
366 #if I_WORKAROUND_REQUIRE_PROPAGATION
367 static IV indirect_require_tag(pTHX) {
368 #define indirect_require_tag() indirect_require_tag(aTHX)
369 const CV *cv, *outside;
374 /* If for some reason the pragma is operational at run-time, try to discover
375 * the current cv in use. */
378 for (si = PL_curstackinfo; si; si = si->si_prev) {
381 for (cxix = si->si_cxix; cxix >= 0; --cxix) {
382 const PERL_CONTEXT *cx = si->si_cxstack + cxix;
384 switch (CxTYPE(cx)) {
387 /* The propagation workaround is only needed up to 5.10.0 and at that
388 * time format and sub contexts were still identical. And even later the
389 * cv members offsets should have been kept the same. */
391 goto get_enclosing_cv;
393 cv = cx->blk_eval.cv;
394 goto get_enclosing_cv;
405 for (outside = CvOUTSIDE(cv); outside; outside = CvOUTSIDE(cv))
410 #endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
412 static SV *indirect_tag(pTHX_ SV *value) {
413 #define indirect_tag(V) indirect_tag(aTHX_ (V))
421 #endif /* I_THREADSAFE */
425 if (SvTYPE(value) >= SVt_PVCV) {
427 SvREFCNT_inc_simple_void_NN(code);
432 h = PerlMemShared_malloc(sizeof *h);
434 # if I_WORKAROUND_REQUIRE_PROPAGATION
435 h->require_tag = indirect_require_tag();
436 # endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
437 #else /* I_HINT_STRUCT */
439 #endif /* !I_HINT_STRUCT */
442 /* We only need for the key to be an unique tag for looking up the value later
443 * Allocated memory provides convenient unique identifiers, so that's why we
444 * use the hint as the key itself. */
445 ptable_hints_store(MY_CXT.tbl, h, h);
446 #endif /* I_THREADSAFE */
448 return newSViv(PTR2IV(h));
451 static SV *indirect_detag(pTHX_ const SV *hint) {
452 #define indirect_detag(H) indirect_detag(aTHX_ (H))
454 #if I_THREADSAFE || I_WORKAROUND_REQUIRE_PROPAGATION
461 #endif /* I_THREADSAFE */
463 h = INT2PTR(indirect_hint_t *, SvIVX(hint));
465 h = ptable_fetch(MY_CXT.tbl, h);
466 #endif /* I_THREADSAFE */
468 #if I_WORKAROUND_REQUIRE_PROPAGATION
469 if (indirect_require_tag() != h->require_tag)
470 return MY_CXT.global_code;
471 #endif /* I_WORKAROUND_REQUIRE_PROPAGATION */
473 return I_HINT_CODE(h);
476 static VOL U32 indirect_hash = 0;
478 static SV *indirect_hint(pTHX) {
479 #define indirect_hint() indirect_hint(aTHX)
485 #if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
490 #ifdef cop_hints_fetch_pvn
491 hint = cop_hints_fetch_pvn(PL_curcop, __PACKAGE__, __PACKAGE_LEN__,
493 #elif I_HAS_PERL(5, 9, 5)
494 hint = Perl_refcounted_he_fetch(aTHX_ PL_curcop->cop_hints_hash,
496 __PACKAGE__, __PACKAGE_LEN__,
501 SV **val = hv_fetch(GvHV(PL_hintgv), __PACKAGE__, __PACKAGE_LEN__, 0);
507 if (hint && SvIOK(hint))
508 return indirect_detag(hint);
511 return MY_CXT.global_code;
515 /* ... op -> source position ............................................... */
517 static void indirect_map_store(pTHX_ const OP *o, STRLEN pos, SV *sv, line_t line) {
518 #define indirect_map_store(O, P, N, L) indirect_map_store(aTHX_ (O), (P), (N), (L))
519 indirect_op_info_t *oi;
524 /* No need to check for MY_CXT.map != NULL because this code path is always
525 * guarded by indirect_hint(). */
527 if (!(oi = ptable_fetch(MY_CXT.map, o))) {
528 Newx(oi, 1, indirect_op_info_t);
529 ptable_store(MY_CXT.map, o, oi);
535 s = SvPV_const(sv, len);
541 if (len > oi->size) {
543 Newx(oi->buf, len, char);
546 Copy(s, oi->buf, len, char);
553 static const indirect_op_info_t *indirect_map_fetch(pTHX_ const OP *o) {
554 #define indirect_map_fetch(O) indirect_map_fetch(aTHX_ (O))
557 /* No need to check for MY_CXT.map != NULL because this code path is always
558 * guarded by indirect_hint(). */
560 return ptable_fetch(MY_CXT.map, o);
563 static void indirect_map_delete(pTHX_ const OP *o) {
564 #define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
568 ptable_delete(MY_CXT.map, o);
571 /* --- Check functions ----------------------------------------------------- */
573 static int indirect_find(pTHX_ SV *name_sv, const char *line_bufptr, STRLEN *name_pos) {
574 #define indirect_find(NSV, LBP, NP) indirect_find(aTHX_ (NSV), (LBP), (NP))
575 STRLEN name_len, line_len;
576 const char *name, *name_end;
577 const char *line, *line_end;
580 line = SvPV_const(PL_linestr, line_len);
581 line_end = line + line_len;
583 name = SvPV_const(name_sv, name_len);
584 if (name_len >= 1 && *name == '$') {
587 while (line_bufptr < line_end && *line_bufptr != '$')
589 if (line_bufptr >= line_end)
592 name_end = name + name_len;
596 p = ninstr(p, line_end, name, name_end);
599 if (!isALNUM(p[name_len]))
601 /* p points to a word that has name as prefix, skip the rest of the word */
607 *name_pos = p - line;
612 /* ... ck_const ............................................................ */
614 static OP *(*indirect_old_ck_const)(pTHX_ OP *) = 0;
616 static OP *indirect_ck_const(pTHX_ OP *o) {
617 o = indirect_old_ck_const(aTHX_ o);
619 if (indirect_hint()) {
622 if (SvPOK(sv) && (SvTYPE(sv) >= SVt_PV)) {
625 if (indirect_find(sv, PL_oldbufptr, &pos)) {
628 /* If the constant is equal to the current package name, try to look for
629 * a "__PACKAGE__" coming before what we got. We only need to check this
630 * when we already had a match because __PACKAGE__ can only appear in
631 * direct method calls ("new __PACKAGE__" is a syntax error). */
634 && len == (STRLEN) HvNAMELEN_get(PL_curstash)
635 && memcmp(SvPVX(sv), HvNAME_get(PL_curstash), len) == 0) {
637 SV *pkg = sv_newmortal();
638 sv_setpvn(pkg, "__PACKAGE__", sizeof("__PACKAGE__")-1);
640 if (indirect_find(pkg, PL_oldbufptr, &pos_pkg) && pos_pkg < pos) {
646 indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
652 indirect_map_delete(o);
656 /* ... ck_rv2sv ............................................................ */
658 static OP *(*indirect_old_ck_rv2sv)(pTHX_ OP *) = 0;
660 static OP *indirect_ck_rv2sv(pTHX_ OP *o) {
661 if (indirect_hint()) {
662 OP *op = cUNOPo->op_first;
664 const char *name = NULL;
666 OPCODE type = (OPCODE) op->op_type;
671 GV *gv = cGVOPx_gv(op);
677 if ((PL_opargs[type] & OA_CLASS_MASK) == OA_SVOP) {
678 SV *nsv = cSVOPx_sv(op);
679 if (SvPOK(nsv) && (SvTYPE(nsv) >= SVt_PV))
680 name = SvPV_const(nsv, len);
686 sv = sv_2mortal(newSVpvn("$", 1));
687 sv_catpvn_nomg(sv, name, len);
688 if (!indirect_find(sv, PL_oldbufptr, &pos)) {
689 /* If it failed, retry without the current stash */
690 const char *stash = HvNAME_get(PL_curstash);
691 STRLEN stashlen = HvNAMELEN_get(PL_curstash);
693 if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
694 || name[stashlen] != ':' || name[stashlen+1] != ':') {
695 /* Failed again ? Try to remove main */
698 if ((len < stashlen + 2) || strnNE(name, stash, stashlen)
699 || name[stashlen] != ':' || name[stashlen+1] != ':')
703 sv_setpvn(sv, "$", 1);
705 sv_catpvn_nomg(sv, name + stashlen, len - stashlen);
706 if (!indirect_find(sv, PL_oldbufptr, &pos))
710 o = indirect_old_ck_rv2sv(aTHX_ o);
712 indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
717 o = indirect_old_ck_rv2sv(aTHX_ o);
719 indirect_map_delete(o);
723 /* ... ck_padany ........................................................... */
725 static OP *(*indirect_old_ck_padany)(pTHX_ OP *) = 0;
727 static OP *indirect_ck_padany(pTHX_ OP *o) {
728 o = indirect_old_ck_padany(aTHX_ o);
730 if (indirect_hint()) {
732 const char *s = PL_oldbufptr, *t = PL_bufptr - 1;
734 while (s < t && isSPACE(*s)) ++s;
735 if (*s == '$' && ++s <= t) {
736 while (s < t && isSPACE(*s)) ++s;
737 while (s < t && isSPACE(*t)) --t;
738 sv = sv_2mortal(newSVpvn("$", 1));
739 sv_catpvn_nomg(sv, s, t - s + 1);
740 indirect_map_store(o, s - SvPVX_const(PL_linestr),
741 sv, CopLINE(&PL_compiling));
746 indirect_map_delete(o);
750 /* ... ck_scope ............................................................ */
752 static OP *(*indirect_old_ck_scope) (pTHX_ OP *) = 0;
753 static OP *(*indirect_old_ck_lineseq)(pTHX_ OP *) = 0;
755 static OP *indirect_ck_scope(pTHX_ OP *o) {
756 OP *(*old_ck)(pTHX_ OP *) = 0;
758 switch (o->op_type) {
759 case OP_SCOPE: old_ck = indirect_old_ck_scope; break;
760 case OP_LINESEQ: old_ck = indirect_old_ck_lineseq; break;
764 if (indirect_hint()) {
765 indirect_map_store(o, PL_oldbufptr - SvPVX_const(PL_linestr),
766 NULL, CopLINE(&PL_compiling));
770 indirect_map_delete(o);
774 /* We don't need to clean the map entries for leave ops because they can only
775 * be created by mutating from a lineseq. */
777 /* ... ck_method ........................................................... */
779 static OP *(*indirect_old_ck_method)(pTHX_ OP *) = 0;
781 static OP *indirect_ck_method(pTHX_ OP *o) {
782 if (indirect_hint()) {
783 OP *op = cUNOPo->op_first;
785 /* Indirect method call is only possible when the method is a bareword, so
786 * don't trip up on $obj->$meth. */
787 if (op && op->op_type == OP_CONST) {
788 const indirect_op_info_t *oi = indirect_map_fetch(op);
796 sv = sv_2mortal(newSVpvn(oi->buf, oi->len));
798 /* Keep the old line so that we really point to the first line of the
802 o = indirect_old_ck_method(aTHX_ o);
803 /* o may now be a method_named */
805 indirect_map_store(o, pos, sv, line);
811 o = indirect_old_ck_method(aTHX_ o);
813 indirect_map_delete(o);
817 /* ... ck_method_named ..................................................... */
819 /* "use foo/no foo" compiles its call to import/unimport directly to a
820 * method_named op. */
822 static OP *(*indirect_old_ck_method_named)(pTHX_ OP *) = 0;
824 static OP *indirect_ck_method_named(pTHX_ OP *o) {
825 if (indirect_hint()) {
831 if (!SvPOK(sv) || (SvTYPE(sv) < SVt_PV))
833 sv = sv_mortalcopy(sv);
835 if (!indirect_find(sv, PL_oldbufptr, &pos))
837 line = CopLINE(&PL_compiling);
839 o = indirect_old_ck_method_named(aTHX_ o);
841 indirect_map_store(o, pos, sv, line);
846 o = indirect_old_ck_method_named(aTHX_ o);
848 indirect_map_delete(o);
852 /* ... ck_entersub ......................................................... */
854 static OP *(*indirect_old_ck_entersub)(pTHX_ OP *) = 0;
856 static OP *indirect_ck_entersub(pTHX_ OP *o) {
857 SV *code = indirect_hint();
859 o = indirect_old_ck_entersub(aTHX_ o);
862 const indirect_op_info_t *moi, *ooi;
868 lop = (LISTOP *) oop;
869 if (!(lop->op_flags & OPf_KIDS))
872 } while (oop->op_type != OP_PUSHMARK);
873 oop = OpSIBLING(oop);
879 switch (oop->op_type) {
890 if (mop->op_type == OP_METHOD)
891 mop = cUNOPx(mop)->op_first;
892 else if (mop->op_type != OP_METHOD_NAMED)
895 moi = indirect_map_fetch(mop);
899 ooi = indirect_map_fetch(oop);
903 /* When positions are identical, the method and the object must have the
904 * same name. But it also means that it is an indirect call, as "foo->foo"
905 * results in different positions. */
906 if ( moi->line < ooi->line
907 || (moi->line == ooi->line && moi->pos <= ooi->pos)) {
915 file = sv_2mortal(newSVpv(CopFILE(&PL_compiling), 0));
917 file = sv_mortalcopy(CopFILESV(&PL_compiling));
922 mPUSHp(ooi->buf, ooi->len);
923 mPUSHp(moi->buf, moi->len);
928 call_sv(code, G_VOID);
941 /* --- Global setup/teardown ------------------------------------------------ */
943 static VOL U32 indirect_initialized = 0;
945 static void indirect_global_teardown(pTHX_ void *root) {
946 if (!indirect_initialized)
954 indirect_ck_restore(OP_CONST, &indirect_old_ck_const);
955 indirect_ck_restore(OP_RV2SV, &indirect_old_ck_rv2sv);
956 indirect_ck_restore(OP_PADANY, &indirect_old_ck_padany);
957 indirect_ck_restore(OP_SCOPE, &indirect_old_ck_scope);
958 indirect_ck_restore(OP_LINESEQ, &indirect_old_ck_lineseq);
960 indirect_ck_restore(OP_METHOD, &indirect_old_ck_method);
961 indirect_ck_restore(OP_METHOD_NAMED, &indirect_old_ck_method_named);
962 indirect_ck_restore(OP_ENTERSUB, &indirect_old_ck_entersub);
964 indirect_initialized = 0;
969 static void indirect_global_setup(pTHX) {
970 #define indirect_global_setup() indirect_global_setup(aTHX)
973 if (indirect_initialized)
976 PERL_HASH(indirect_hash, __PACKAGE__, __PACKAGE_LEN__);
978 stash = gv_stashpvn(__PACKAGE__, __PACKAGE_LEN__, 1);
979 newCONSTSUB(stash, "I_THREADSAFE", newSVuv(I_THREADSAFE));
980 newCONSTSUB(stash, "I_FORKSAFE", newSVuv(I_FORKSAFE));
982 indirect_ck_replace(OP_CONST, indirect_ck_const, &indirect_old_ck_const);
983 indirect_ck_replace(OP_RV2SV, indirect_ck_rv2sv, &indirect_old_ck_rv2sv);
984 indirect_ck_replace(OP_PADANY, indirect_ck_padany, &indirect_old_ck_padany);
985 indirect_ck_replace(OP_SCOPE, indirect_ck_scope, &indirect_old_ck_scope);
986 indirect_ck_replace(OP_LINESEQ, indirect_ck_scope, &indirect_old_ck_lineseq);
988 indirect_ck_replace(OP_METHOD, indirect_ck_method,
989 &indirect_old_ck_method);
990 indirect_ck_replace(OP_METHOD_NAMED, indirect_ck_method_named,
991 &indirect_old_ck_method_named);
992 indirect_ck_replace(OP_ENTERSUB, indirect_ck_entersub,
993 &indirect_old_ck_entersub);
996 call_atexit(indirect_global_teardown, aTHX);
998 call_atexit(indirect_global_teardown, NULL);
1001 indirect_initialized = 1;
1006 /* --- Interpreter setup/teardown ------------------------------------------ */
1008 static void indirect_local_teardown(pTHX_ void *param) {
1011 ptable_free(MY_CXT.map);
1015 ptable_hints_free(MY_CXT.tbl);
1022 static void indirect_local_setup(pTHX) {
1023 #define indirect_local_setup() indirect_local_setup(aTHX)
1027 MY_CXT.tbl = ptable_new();
1028 MY_CXT.owner = aTHX;
1031 MY_CXT.map = ptable_new();
1032 MY_CXT.global_code = NULL;
1034 call_atexit(indirect_local_teardown, NULL);
1039 /* --- XS ------------------------------------------------------------------ */
1041 MODULE = indirect PACKAGE = indirect
1047 indirect_global_setup();
1048 indirect_local_setup();
1058 SV *global_code_dup;
1062 indirect_ptable_clone_ud ud;
1065 indirect_ptable_clone_ud_init(ud, t, MY_CXT.owner);
1066 ptable_walk(MY_CXT.tbl, indirect_ptable_clone, &ud);
1067 global_code_dup = indirect_dup_inc(MY_CXT.global_code, &ud);
1068 indirect_ptable_clone_ud_deinit(ud);
1072 MY_CXT.map = ptable_new();
1074 MY_CXT.owner = aTHX;
1075 MY_CXT.global_code = global_code_dup;
1077 gv = gv_fetchpv(__PACKAGE__ "::_THREAD_CLEANUP", 0, SVt_PVCV);
1083 if (!av_store(PL_endav, av_len(PL_endav) + 1, (SV *) cv))
1085 sv_magicext((SV *) PL_endav, NULL, PERL_MAGIC_ext, &indirect_endav_vtbl, NULL, 0);
1090 _THREAD_CLEANUP(...)
1093 indirect_thread_cleanup(aTHX_ NULL);
1102 RETVAL = indirect_tag(value);
1112 else if (SvROK(code))
1116 SvREFCNT_dec(MY_CXT.global_code);
1117 MY_CXT.global_code = SvREFCNT_inc(code);