# 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
+
#ifndef SvREFCNT_inc_simple_void_NN
# define SvREFCNT_inc_simple_void_NN(S) ((void) SvREFCNT_inc(S))
#endif
# undef MY_CXT
# define MY_CXT lt_globaldata
# undef START_MY_CXT
-# define START_MY_CXT STATIC my_cxt_t MY_CXT;
+# define START_MY_CXT static my_cxt_t MY_CXT;
# undef MY_CXT_INIT
# define MY_CXT_INIT NOOP
# undef MY_CXT_CLONE
#else
-STATIC void lt_ck_replace(pTHX_ OPCODE type, lt_ck_t new_ck, lt_ck_t *old_ck_p){
+static void lt_ck_replace(pTHX_ OPCODE type, lt_ck_t new_ck, lt_ck_t *old_ck_p){
#define lt_ck_replace(T, NC, OCP) lt_ck_replace(aTHX_ (T), (NC), (OCP))
LT_CHECK_MUTEX_LOCK;
if (!*old_ck_p) {
#endif
-STATIC void lt_ck_restore(pTHX_ OPCODE type, lt_ck_t *old_ck_p) {
+static void lt_ck_restore(pTHX_ OPCODE type, lt_ck_t *old_ck_p) {
#define lt_ck_restore(T, OCP) lt_ck_restore(aTHX_ (T), (OCP))
LT_CHECK_MUTEX_LOCK;
if (*old_ck_p) {
#define PTABLE_NAME ptable_hints
#define PTABLE_VAL_FREE(V) LT_HINT_FREE(V)
+#define PTABLE_NEED_DELETE 0
+#define PTABLE_NEED_WALK 1
#define pPTBL pTHX
#define pPTBL_ pTHX_
/* ... "Seen" pointer table ................................................ */
#define PTABLE_NAME ptable_seen
-#define PTABLE_VAL_FREE(V) NOOP
+#define PTABLE_NEED_DELETE 0
+#define PTABLE_NEED_WALK 0
#include "ptable.h"
# define lt_dup_inc(S, U) SvREFCNT_inc(sv_dup((S), &((U)->params)))
#endif
-STATIC void lt_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
+static void lt_ptable_clone(pTHX_ ptable_ent *ent, void *ud_) {
lt_ptable_clone_ud *ud = ud_;
lt_hint_t *h1 = ent->val;
lt_hint_t *h2;
ptable_hints_store(ud->tbl, ent->key, h2);
}
-#include "reap.h"
-
-STATIC void lt_thread_cleanup(pTHX_ void *ud) {
+static void lt_thread_cleanup(pTHX_ void *ud) {
dMY_CXT;
ptable_hints_free(MY_CXT.tbl);
+ MY_CXT.tbl = NULL;
ptable_seen_free(MY_CXT.seen);
+ MY_CXT.seen = NULL;
+ SvREFCNT_dec(MY_CXT.default_meth);
+ MY_CXT.default_meth = NULL;
+}
+
+static int lt_endav_free(pTHX_ SV *sv, MAGIC *mg) {
+ SAVEDESTRUCTOR_X(lt_thread_cleanup, NULL);
+
+ return 0;
}
+static MGVTBL lt_endav_vtbl = {
+ 0,
+ 0,
+ 0,
+ 0,
+ lt_endav_free
+#if MGf_COPY
+ , 0
+#endif
+#if MGf_DUP
+ , 0
+#endif
+#if MGf_LOCAL
+ , 0
+#endif
+};
+
#endif /* LT_THREADSAFE */
/* ... Hint tags ........................................................... */
#if LT_WORKAROUND_REQUIRE_PROPAGATION
-STATIC IV lt_require_tag(pTHX) {
+static IV lt_require_tag(pTHX) {
#define lt_require_tag() lt_require_tag(aTHX)
const CV *cv, *outside;
#endif /* LT_WORKAROUND_REQUIRE_PROPAGATION */
-STATIC SV *lt_tag(pTHX_ SV *value) {
+static SV *lt_tag(pTHX_ SV *value) {
#define lt_tag(V) lt_tag(aTHX_ (V))
lt_hint_t *h;
- SV *code = NULL;
+ SV *code = NULL;
+#if LT_THREADSAFE
+ dMY_CXT;
+
+ if (!MY_CXT.tbl)
+ return newSViv(0);
+#endif /* LT_THREADSAFE */
if (SvROK(value)) {
value = SvRV(value);
#endif /* !LT_HINT_STRUCT */
#if LT_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 /* LT_THREADSAFE */
return newSViv(PTR2IV(h));
}
-STATIC SV *lt_detag(pTHX_ const SV *hint) {
+static SV *lt_detag(pTHX_ const SV *hint) {
#define lt_detag(H) lt_detag(aTHX_ (H))
lt_hint_t *h;
#if LT_THREADSAFE
dMY_CXT;
-#endif
+
+ if (!MY_CXT.tbl)
+ return NULL;
+#endif /* LT_THREADSAFE */
if (!(hint && SvIOK(hint)))
return NULL;
return LT_HINT_CODE(h);
}
-STATIC U32 lt_hash = 0;
+static U32 lt_hash = 0;
-STATIC SV *lt_hint(pTHX) {
+static SV *lt_hint(pTHX) {
#define lt_hint() lt_hint(aTHX)
SV *hint;
#ifdef cop_hints_fetch_pvn
#define PTABLE_NAME ptable_map
#define PTABLE_VAL_FREE(V) PerlMemShared_free(V)
+#define PTABLE_NEED_DELETE 1
+#define PTABLE_NEED_WALK 0
#include "ptable.h"
#ifdef USE_ITHREADS
-STATIC perl_mutex lt_op_map_mutex;
+static perl_mutex lt_op_map_mutex;
#define LT_LOCK(M) MUTEX_LOCK(M)
#define LT_UNLOCK(M) MUTEX_UNLOCK(M)
#endif /* !USE_ITHREADS */
-STATIC ptable *lt_op_padxv_map = NULL;
+static ptable *lt_op_padxv_map = NULL;
typedef struct {
OP *(*old_pp)(pTHX);
#endif /* !MULTIPLICITY */
} lt_op_padxv_info;
-STATIC void lt_op_padxv_info_call(pTHX_ const lt_op_padxv_info *oi, SV *sv) {
+static void lt_op_padxv_info_call(pTHX_ const lt_op_padxv_info *oi, SV *sv) {
#define lt_op_padxv_info_call(O, S) lt_op_padxv_info_call(aTHX_ (O), (S))
SV *orig_pkg, *type_pkg, *type_meth;
int items;
return;
}
-STATIC void lt_padxv_map_store(pTHX_ const OP *o, SV *orig_pkg, SV *type_pkg, SV *type_meth, OP *(*old_pp)(pTHX)) {
+static void lt_padxv_map_store(pTHX_ const OP *o, SV *orig_pkg, SV *type_pkg, SV *type_meth, OP *(*old_pp)(pTHX)) {
#define lt_padxv_map_store(O, OP, TP, TM, PP) lt_padxv_map_store(aTHX_ (O), (OP), (TP), (TM), (PP))
lt_op_padxv_info *oi;
LT_UNLOCK(<_op_map_mutex);
}
-STATIC const lt_op_padxv_info *lt_padxv_map_fetch(const OP *o, lt_op_padxv_info *oi) {
+static const lt_op_padxv_info *lt_padxv_map_fetch(const OP *o, lt_op_padxv_info *oi) {
const lt_op_padxv_info *val;
LT_LOCK(<_op_map_mutex);
return val;
}
-STATIC void lt_map_delete(pTHX_ const OP *o) {
+#if LT_HAS_PERL(5, 17, 6)
+
+static ptable *lt_op_padrange_map = NULL;
+
+typedef struct {
+ OP *(*old_pp)(pTHX);
+ const OP *padxv_start;
+} lt_op_padrange_info;
+
+static void lt_padrange_map_store(pTHX_ const OP *o, const OP *s, OP *(*old_pp)(pTHX)) {
+#define lt_padrange_map_store(O, S, PP) lt_padrange_map_store(aTHX_ (O), (S), (PP))
+ lt_op_padrange_info *oi;
+
+ LT_LOCK(<_op_map_mutex);
+
+ if (!(oi = ptable_fetch(lt_op_padrange_map, o))) {
+ oi = PerlMemShared_malloc(sizeof *oi);
+ ptable_map_store(lt_op_padrange_map, o, oi);
+ }
+
+ oi->old_pp = old_pp;
+ oi->padxv_start = s;
+
+ LT_UNLOCK(<_op_map_mutex);
+}
+
+static const lt_op_padrange_info *lt_padrange_map_fetch(const OP *o, lt_op_padrange_info *oi) {
+ const lt_op_padrange_info *val;
+
+ LT_LOCK(<_op_map_mutex);
+
+ val = ptable_fetch(lt_op_padrange_map, o);
+ if (val) {
+ *oi = *val;
+ val = oi;
+ }
+
+ LT_UNLOCK(<_op_map_mutex);
+
+ return val;
+}
+
+#endif
+
+static void lt_map_delete(pTHX_ const OP *o) {
#define lt_map_delete(O) lt_map_delete(aTHX_ (O))
LT_LOCK(<_op_map_mutex);
ptable_map_delete(lt_op_padxv_map, o);
+#if LT_HAS_PERL(5, 17, 6)
+ ptable_map_delete(lt_op_padrange_map, o);
+#endif
LT_UNLOCK(<_op_map_mutex);
}
/* ... Our pp_padsv ........................................................ */
-STATIC OP *lt_pp_padsv(pTHX) {
+static OP *lt_pp_padsv(pTHX) {
lt_op_padxv_info oi;
if (lt_padxv_map_fetch(PL_op, &oi)) {
return PL_op->op_ppaddr(aTHX);
}
+/* ... Our pp_padrange (on perl 5.17.6 and above) .......................... */
+
+#if LT_HAS_PERL(5, 17, 6)
+
+static OP *lt_pp_padrange(pTHX) {
+ lt_op_padrange_info roi;
+
+ if (lt_padrange_map_fetch(PL_op, &roi)) {
+ PADOFFSET i, base, count;
+ const OP *p;
+
+ base = PL_op->op_targ;
+ count = PL_op->op_private & OPpPADRANGE_COUNTMASK;
+
+ for (i = 0, p = roi.padxv_start; i < count && p; ++i, p = p->op_next) {
+ while (p->op_type == OP_NULL)
+ p = p->op_next;
+ lt_op_padxv_info oi;
+ if (p->op_type == OP_PADSV && lt_padxv_map_fetch(p, &oi))
+ lt_op_padxv_info_call(&oi, PAD_SV(base + i));
+ }
+
+ return roi.old_pp(aTHX);
+ }
+
+ return PL_op->op_ppaddr(aTHX);
+}
+
+#endif
+
/* ... Our ck_pad{any,sv} .................................................. */
/* Sadly, the padsv OPs we are interested in don't trigger the padsv check
* the op entry in the op map in the padany check function, and we set their
* op_ppaddr member in our peephole optimizer replacement below. */
-STATIC OP *(*lt_old_ck_padany)(pTHX_ OP *) = 0;
+static OP *(*lt_old_ck_padany)(pTHX_ OP *) = 0;
-STATIC OP *lt_ck_padany(pTHX_ OP *o) {
+static OP *lt_ck_padany(pTHX_ OP *o) {
HV *stash;
SV *code;
if (stash && (code = lt_hint())) {
dMY_CXT;
SV *orig_pkg = newSVpvn(HvNAME_get(stash), HvNAMELEN_get(stash));
- SV *orig_meth = MY_CXT.default_meth;
+ SV *orig_meth = MY_CXT.default_meth; /* Guarded by lt_hint() */
SV *type_pkg = NULL;
SV *type_meth = NULL;
int items;
return o;
}
-STATIC OP *(*lt_old_ck_padsv)(pTHX_ OP *) = 0;
+static OP *(*lt_old_ck_padsv)(pTHX_ OP *) = 0;
-STATIC OP *lt_ck_padsv(pTHX_ OP *o) {
+static OP *lt_ck_padsv(pTHX_ OP *o) {
lt_map_delete(o);
return lt_old_ck_padsv(aTHX_ o);
/* ... Our peephole optimizer .............................................. */
-STATIC peep_t lt_old_peep = 0; /* This is actually the rpeep past 5.13.5 */
+#if LT_HAS_PERL(5, 17, 6)
+
+static int lt_maybe_padrange_setup(pTHX_ OP *o, const OP *start) {
+#define lt_maybe_padrange_setup(O, S) lt_maybe_padrange_setup(aTHX_ (O), (S))
+ PADOFFSET i, count;
+ const OP *p;
+
+ count = o->op_private & OPpPADRANGE_COUNTMASK;
+
+ for (i = 0, p = start; i < count && p; ++i, p = p->op_next) {
+ if (p->op_type == OP_PADSV) {
+ /* In a padrange sequence, either all lexicals are typed, or none are.
+ * Thus we can stop at the first padsv op. However, note that these
+ * lexicals can need to call different methods in different packages. */
+ LT_LOCK(<_op_map_mutex);
+ if (ptable_fetch(lt_op_padxv_map, p)) {
+ LT_UNLOCK(<_op_map_mutex);
+ lt_padrange_map_store(o, start, o->op_ppaddr);
+ o->op_ppaddr = lt_pp_padrange;
+ } else {
+ LT_UNLOCK(<_op_map_mutex);
+ }
+ return 1;
+ }
+ }
+
+ return 0;
+}
+
+#endif
+
+static peep_t lt_old_peep = 0; /* This is actually the rpeep past 5.13.5 */
-STATIC void lt_peep_rec(pTHX_ OP *o, ptable *seen) {
+static void lt_peep_rec(pTHX_ OP *o, ptable *seen) {
#define lt_peep_rec(O) lt_peep_rec(aTHX_ (O), seen)
for (; o; o = o->op_next) {
if (ptable_fetch(seen, o))
LT_UNLOCK(<_op_map_mutex);
}
break;
+#if LT_HAS_PERL(5, 17, 6)
+ case OP_PADRANGE:
+ /* We deal with special padrange ops later, in the aassign op they belong
+ * to. */
+ if (o->op_ppaddr != lt_pp_padrange && o->op_private & OPpLVAL_INTRO
+ && !(o->op_flags & OPf_SPECIAL)) {
+ /* A padrange op is guaranteed to have previously been a pushmark.
+ * Moreover, for non-special padrange ops (i.e. that aren't for
+ * my (...) = @_), the first original padxv is its sibling or nephew.
+ */
+ OP *kid = OpSIBLING(o);
+ if (kid->op_type == OP_NULL && kid->op_flags & OPf_KIDS) {
+ kid = kUNOP->op_first;
+ if (kid->op_type == OP_NULL)
+ kid = OpSIBLING(kid);
+ }
+ lt_maybe_padrange_setup(o, kid);
+ }
+ break;
+ case OP_AASSIGN: {
+ OP *op;
+ if (cBINOPo->op_first && cBINOPo->op_first->op_flags & OPf_KIDS
+ && (op = cUNOPx(cBINOPo->op_first)->op_first)
+ && op->op_type == OP_PADRANGE
+ && op->op_ppaddr != lt_pp_padrange
+ && op->op_private & OPpLVAL_INTRO
+ && op->op_flags & OPf_SPECIAL) {
+ const OP *start = cUNOPx(cBINOPo->op_last)->op_first;
+ if (start->op_type == OP_PUSHMARK)
+ start = OpSIBLING(start);
+ lt_maybe_padrange_setup(op, start);
+ }
+ break;
+ }
+#endif
#if !LT_HAS_RPEEP
case OP_MAPWHILE:
case OP_GREPWHILE:
}
}
-STATIC void lt_peep(pTHX_ OP *o) {
+static void lt_peep(pTHX_ OP *o) {
dMY_CXT;
ptable *seen = MY_CXT.seen;
lt_old_peep(aTHX_ o);
- ptable_seen_clear(seen);
- lt_peep_rec(o);
- ptable_seen_clear(seen);
+ if (seen) {
+ ptable_seen_clear(seen);
+ lt_peep_rec(o);
+ ptable_seen_clear(seen);
+ }
}
/* --- Interpreter setup/teardown ------------------------------------------ */
+static U32 lt_initialized = 0;
-STATIC U32 lt_initialized = 0;
-
-STATIC void lt_teardown(pTHX_ void *root) {
+static void lt_teardown(pTHX_ void *root) {
if (!lt_initialized)
return;
dMY_CXT;
#if LT_THREADSAFE
ptable_hints_free(MY_CXT.tbl);
+ MY_CXT.tbl = NULL;
#endif
ptable_seen_free(MY_CXT.seen);
+ MY_CXT.seen = NULL;
SvREFCNT_dec(MY_CXT.default_meth);
+ MY_CXT.default_meth = NULL;
}
lt_ck_restore(OP_PADANY, <_old_ck_padany);
lt_initialized = 0;
}
-STATIC void lt_setup(pTHX) {
+static void lt_setup(pTHX) {
#define lt_setup() lt_setup(aTHX)
if (lt_initialized)
return;
lt_initialized = 1;
}
-STATIC U32 lt_booted = 0;
+static U32 lt_booted = 0;
/* --- XS ------------------------------------------------------------------ */
HV *stash;
lt_op_padxv_map = ptable_new();
+#if LT_HAS_PERL(5, 17, 6)
+ lt_op_padrange_map = ptable_new();
+#endif
#ifdef USE_ITHREADS
MUTEX_INIT(<_op_map_mutex);
#endif
ptable *t;
ptable *s;
SV *cloned_default_meth;
+ GV *gv;
PPCODE:
{
{
MY_CXT.seen = s;
MY_CXT.default_meth = cloned_default_meth;
}
- reap(3, lt_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, <_endav_vtbl, NULL, 0);
+ }
+ XSRETURN(0);
+
+void
+_THREAD_CLEANUP(...)
+PROTOTYPE: DISABLE
+PPCODE:
+ lt_thread_cleanup(aTHX_ NULL);
XSRETURN(0);
#endif