# define HvNAMELEN_get(H) strlen(HvNAME_get(H))
#endif
+#ifndef OpSIBLING
+# ifdef OP_SIBLING
+# define OpSIBLING(O) OP_SIBLING(O)
+# else
+# define OpSIBLING(O) ((O)->op_sibling)
+# endif
+#endif
+
#define I_HAS_PERL(R, V, S) (PERL_REVISION > (R) || (PERL_REVISION == (R) && (PERL_VERSION > (V) || (PERL_VERSION == (V) && (PERL_SUBVERSION >= (S))))))
#if I_HAS_PERL(5, 10, 0) || defined(PL_parser)
# ifndef PL_oldbufptr
# define PL_oldbufptr PL_parser->oldbufptr
# endif
+# ifndef PL_lex_inwhat
+# define PL_lex_inwhat PL_parser->lex_inwhat
+# endif
#else
# ifndef PL_linestr
# define PL_linestr PL_Ilinestr
# ifndef PL_oldbufptr
# define PL_oldbufptr PL_Ioldbufptr
# endif
+# ifndef PL_lex_inwhat
+# define PL_lex_inwhat PL_Ilex_inwhat
+# endif
#endif
#ifndef I_WORKAROUND_REQUIRE_PROPAGATION
#if I_THREADSAFE
-STATIC SV *indirect_clone(pTHX_ SV *sv, tTHX owner) {
-#define indirect_clone(S, O) indirect_clone(aTHX_ (S), (O))
- CLONE_PARAMS param;
- AV *stashes = NULL;
- SV *dupsv;
-
- if (!sv)
- return NULL;
-
- if (SvTYPE(sv) == SVt_PVHV && HvNAME_get(sv))
- stashes = newAV();
-
- param.stashes = stashes;
- param.flags = 0;
- param.proto_perl = owner;
-
- dupsv = sv_dup(sv, ¶m);
-
- if (stashes) {
- av_undef(stashes);
- SvREFCNT_dec(stashes);
- }
-
- return SvREFCNT_inc(dupsv);
-}
+typedef struct {
+ ptable *tbl;
+#if I_HAS_PERL(5, 13, 2)
+ CLONE_PARAMS *params;
+#else
+ CLONE_PARAMS params;
+#endif
+} indirect_ptable_clone_ud;
+
+#if I_HAS_PERL(5, 13, 2)
+# define indirect_ptable_clone_ud_init(U, T, O) \
+ (U).tbl = (T); \
+ (U).params = Perl_clone_params_new((O), aTHX)
+# define indirect_ptable_clone_ud_deinit(U) Perl_clone_params_del((U).params)
+# define indirect_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), (U)->params))
+#else
+# define indirect_ptable_clone_ud_init(U, T, O) \
+ (U).tbl = (T); \
+ (U).params.stashes = newAV(); \
+ (U).params.flags = 0; \
+ (U).params.proto_perl = (O)
+# define indirect_ptable_clone_ud_deinit(U) SvREFCNT_dec((U).params.stashes)
+# define indirect_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), &((U)->params)))
+#endif
STATIC void indirect_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
- my_cxt_t *ud = ud_;
- indirect_hint_t *h1 = ent->val;
- indirect_hint_t *h2;
-
- if (ud->owner == aTHX)
- return;
+ indirect_ptable_clone_ud *ud = ud_;
+ indirect_hint_t *h1 = ent->val;
+ indirect_hint_t *h2;
#if I_HINT_STRUCT
- h2 = PerlMemShared_malloc(sizeof *h2);
- h2->code = indirect_clone(h1->code, ud->owner);
+ h2 = PerlMemShared_malloc(sizeof *h2);
+ h2->code = indirect_dup_inc(h1->code, ud);
#if I_WORKAROUND_REQUIRE_PROPAGATION
- h2->require_tag = PTR2IV(indirect_clone(INT2PTR(SV *, h1->require_tag),
- ud->owner));
+ h2->require_tag = PTR2IV(indirect_dup_inc(INT2PTR(SV *, h1->require_tag), ud));
#endif
#else /* I_HINT_STRUCT */
- h2 = indirect_clone(h1, ud->owner);
+ h2 = indirect_dup_inc(h1, ud);
#endif /* !I_HINT_STRUCT */
ptable_hints_store(ud->tbl, ent->key, h2);
}
-#include "reap.h"
-
STATIC void indirect_thread_cleanup(pTHX_ void *ud) {
dMY_CXT;
SvREFCNT_dec(MY_CXT.global_code);
+ MY_CXT.global_code = NULL;
ptable_free(MY_CXT.map);
+ MY_CXT.map = NULL;
ptable_hints_free(MY_CXT.tbl);
+ MY_CXT.tbl = NULL;
}
+STATIC int indirect_endav_free(pTHX_ SV *sv, MAGIC *mg) {
+ SAVEDESTRUCTOR_X(indirect_thread_cleanup, NULL);
+
+ return 0;
+}
+
+STATIC MGVTBL indirect_endav_vtbl = {
+ 0,
+ 0,
+ 0,
+ 0,
+ indirect_endav_free
+#if MGf_COPY
+ , 0
+#endif
+#if MGf_DUP
+ , 0
+#endif
+#if MGf_LOCAL
+ , 0
+#endif
+};
+
#endif /* I_THREADSAFE */
#if I_WORKAROUND_REQUIRE_PROPAGATION
STATIC SV *indirect_tag(pTHX_ SV *value) {
#define indirect_tag(V) indirect_tag(aTHX_ (V))
indirect_hint_t *h;
- SV *code = NULL;
+ SV *code = NULL;
+#if I_THREADSAFE
+ dMY_CXT;
+
+ if (!MY_CXT.tbl)
+ return newSViv(0);
+#endif /* I_THREADSAFE */
if (SvROK(value)) {
value = SvRV(value);
#endif /* !I_HINT_STRUCT */
#if I_THREADSAFE
- {
- dMY_CXT;
- /* We only need for the key to be an unique tag for looking up the value later
- * Allocated memory provides convenient unique identifiers, so that's why we
- * use the hint as the key itself. */
- ptable_hints_store(MY_CXT.tbl, h, h);
- }
+ /* We only need for the key to be an unique tag for looking up the value later
+ * Allocated memory provides convenient unique identifiers, so that's why we
+ * use the hint as the key itself. */
+ ptable_hints_store(MY_CXT.tbl, h, h);
#endif /* I_THREADSAFE */
return newSViv(PTR2IV(h));
dMY_CXT;
#endif
+#if I_THREADSAFE
+ if (!MY_CXT.tbl)
+ return NULL;
+#endif /* I_THREADSAFE */
+
h = INT2PTR(indirect_hint_t *, SvIVX(hint));
#if I_THREADSAFE
h = ptable_fetch(MY_CXT.tbl, h);
STRLEN len;
dMY_CXT;
+ /* No need to check for MY_CXT.map != NULL because this code path is always
+ * guarded by indirect_hint(). */
+
if (!(oi = ptable_fetch(MY_CXT.map, o))) {
Newx(oi, 1, indirect_op_info_t);
ptable_store(MY_CXT.map, o, oi);
#define indirect_map_fetch(O) indirect_map_fetch(aTHX_ (O))
dMY_CXT;
+ /* No need to check for MY_CXT.map != NULL because this code path is always
+ * guarded by indirect_hint(). */
+
return ptable_fetch(MY_CXT.map, o);
}
#define indirect_map_delete(O) indirect_map_delete(aTHX_ (O))
dMY_CXT;
- ptable_delete(MY_CXT.map, o);
+ if (MY_CXT.map)
+ ptable_delete(MY_CXT.map, o);
}
/* --- Check functions ----------------------------------------------------- */
-STATIC STRLEN indirect_nextline(const char *s, STRLEN len) {
- STRLEN i;
-
- for (i = 0; i < len; ++i) {
- if (s[i] == '\n') {
- ++i;
- while (i < len && s[i] == '\r')
- ++i;
- break;
- }
- }
-
- return i;
-}
-
STATIC int indirect_find(pTHX_ SV *name_sv, const char *line_bufptr, STRLEN *name_pos) {
#define indirect_find(NSV, LBP, NP) indirect_find(aTHX_ (NSV), (LBP), (NP))
STRLEN name_len, line_len;
const char *name, *name_end;
const char *line, *line_end;
- const char *p, *t, *u;
+ const char *p;
line = SvPV_const(PL_linestr, line_len);
line_end = line + line_len;
++p;
}
- t = line;
- u = t;
- while (t <= p) {
- STRLEN i = indirect_nextline(t, line_len);
- if (i >= line_len)
- break;
- u = t;
- t += i;
- line_len -= i;
- }
- *name_pos = p - u;
+ *name_pos = p - line;
return 1;
}
STRLEN pos;
if (indirect_find(sv, PL_oldbufptr, &pos)) {
+ STRLEN len;
+
+ /* If the constant is equal to the current package name, try to look for
+ * a "__PACKAGE__" coming before what we got. We only need to check this
+ * when we already had a match because __PACKAGE__ can only appear in
+ * direct method calls ("new __PACKAGE__" is a syntax error). */
+ len = SvCUR(sv);
+ if (PL_curstash
+ && len == (STRLEN) HvNAMELEN_get(PL_curstash)
+ && memcmp(SvPVX(sv), HvNAME_get(PL_curstash), len) == 0) {
+ STRLEN pos_pkg;
+ SV *pkg = sv_newmortal();
+ sv_setpvn(pkg, "__PACKAGE__", sizeof("__PACKAGE__")-1);
+
+ if (indirect_find(pkg, PL_oldbufptr, &pos_pkg) && pos_pkg < pos) {
+ sv = pkg;
+ pos = pos_pkg;
+ }
+ }
+
indirect_map_store(o, pos, sv, CopLINE(&PL_compiling));
return o;
}
goto done;
oop = lop->op_first;
} while (oop->op_type != OP_PUSHMARK);
- oop = oop->op_sibling;
+ oop = OpSIBLING(oop);
mop = lop->op_last;
if (!oop)
{
dMY_CXT;
ptable_free(MY_CXT.map);
+ MY_CXT.map = NULL;
#if I_THREADSAFE
ptable_hints_free(MY_CXT.tbl);
+ MY_CXT.tbl = NULL;
#endif
}
PREINIT:
ptable *t;
SV *global_code_dup;
+ GV *gv;
PPCODE:
{
- my_cxt_t ud;
+ indirect_ptable_clone_ud ud;
dMY_CXT;
- ud.tbl = t = ptable_new();
- ud.owner = MY_CXT.owner;
+ t = ptable_new();
+ indirect_ptable_clone_ud_init(ud, t, MY_CXT.owner);
ptable_walk(MY_CXT.tbl, indirect_ptable_clone, &ud);
- global_code_dup = indirect_clone(MY_CXT.global_code, MY_CXT.owner);
+ global_code_dup = indirect_dup_inc(MY_CXT.global_code, &ud);
+ indirect_ptable_clone_ud_deinit(ud);
}
{
MY_CXT_CLONE;
MY_CXT.owner = aTHX;
MY_CXT.global_code = global_code_dup;
}
- reap(3, indirect_thread_cleanup, NULL);
+ gv = gv_fetchpv(__PACKAGE__ "::_THREAD_CLEANUP", 0, SVt_PVCV);
+ if (gv) {
+ CV *cv = GvCV(gv);
+ if (!PL_endav)
+ PL_endav = newAV();
+ SvREFCNT_inc(cv);
+ if (!av_store(PL_endav, av_len(PL_endav) + 1, (SV *) cv))
+ SvREFCNT_dec(cv);
+ sv_magicext((SV *) PL_endav, NULL, PERL_MAGIC_ext, &indirect_endav_vtbl, NULL, 0);
+ }
+ XSRETURN(0);
+
+void
+_THREAD_CLEANUP(...)
+PROTOTYPE: DISABLE
+PPCODE:
+ indirect_thread_cleanup(aTHX_ NULL);
XSRETURN(0);
#endif
projects / perl / modules / indirect.git / blobdiff