pointer to the body (struct xrv, xpv, xpviv...), which contains fields
specific to each type.
-Normally, this allocation is done using arenas, which are approximately
-1K chunks of memory parcelled up into N heads or bodies. The first slot
-in each arena is reserved, and is used to hold a link to the next arena.
-In the case of heads, the unused first slot also contains some flags and
-a note of the number of slots. Snaked through each arena chain is a
+Normally, this allocation is done using arenas, which by default are
+approximately 4K chunks of memory parcelled up into N heads or bodies. The
+first slot in each arena is reserved, and is used to hold a link to the next
+arena. In the case of heads, the unused first slot also contains some flags
+and a note of the number of slots. Snaked through each arena chain is a
linked list of free items; when this becomes empty, an extra arena is
-allocated and divided up into N items which are threaded into the free
-list.
+allocated and divided up into N items which are threaded into the free list.
The following global variables are associated with arenas:
required. Also, if PURIFY is defined, arenas are abandoned altogether,
with all items individually malloc()ed. In addition, a few SV heads are
not allocated from an arena, but are instead directly created as static
-or auto variables, eg PL_sv_undef.
+or auto variables, eg PL_sv_undef. The size of arenas can be changed from
+the default by setting PERL_ARENA_SIZE appropriately at compile time.
The SV arena serves the secondary purpose of allowing still-live SVs
to be located and destroyed during final cleanup.
* "A time to plant, and a time to uproot what was planted..."
*/
+
#ifdef DEBUG_LEAKING_SCALARS
# ifdef NETWARE
# define FREE_SV_DEBUG_FILE(sv) PerlMemfree((sv)->sv_debug_file)
} STMT_END
+/* make some more SVs by adding another arena */
+
+/* sv_mutex must be held while calling more_sv() */
+STATIC SV*
+S_more_sv(pTHX)
+{
+ SV* sv;
+
+ if (PL_nice_chunk) {
+ sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0);
+ PL_nice_chunk = Nullch;
+ PL_nice_chunk_size = 0;
+ }
+ else {
+ char *chunk; /* must use New here to match call to */
+ New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
+ sv_add_arena(chunk, 1008, 0);
+ }
+ uproot_SV(sv);
+ return sv;
+}
+
/* new_SV(): return a new, empty SV head */
#ifdef DEBUG_LEAKING_SCALARS
if (PL_sv_root)
uproot_SV(sv);
else
- sv = more_sv();
+ sv = S_more_sv(aTHX);
UNLOCK_SV_MUTEX;
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
if (PL_sv_root) \
uproot_SV(p); \
else \
- (p) = more_sv(); \
+ (p) = S_more_sv(aTHX); \
UNLOCK_SV_MUTEX; \
SvANY(p) = 0; \
SvREFCNT(p) = 1; \
for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
sv = sva + 1;
svend = &sva[SvREFCNT(sva)];
- if (p >= sv && p < svend)
+ if (p >= sv && p < svend) {
ok = 1;
+ break;
+ }
}
if (!ok) {
if (ckWARN_d(WARN_INTERNAL))
sv = sva + 1;
while (sv < svend) {
SvANY(sv) = (void *)(SV*)(sv + 1);
+#ifdef DEBUGGING
SvREFCNT(sv) = 0;
+#endif
+ /* Must always set typemask because it's awlays checked in on cleanup
+ when the arenas are walked looking for objects. */
SvFLAGS(sv) = SVTYPEMASK;
sv++;
}
SvANY(sv) = 0;
+#ifdef DEBUGGING
+ SvREFCNT(sv) = 0;
+#endif
SvFLAGS(sv) = SVTYPEMASK;
}
-/* make some more SVs by adding another arena */
-
-/* sv_mutex must be held while calling more_sv() */
-STATIC SV*
-S_more_sv(pTHX)
-{
- register SV* sv;
-
- if (PL_nice_chunk) {
- sv_add_arena(PL_nice_chunk, PL_nice_chunk_size, 0);
- PL_nice_chunk = Nullch;
- PL_nice_chunk_size = 0;
- }
- else {
- char *chunk; /* must use New here to match call to */
- New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
- sv_add_arena(chunk, 1008, 0);
- }
- uproot_SV(sv);
- return sv;
-}
-
/* visit(): call the named function for each non-free SV in the arenas
* whose flags field matches the flags/mask args. */
if (SvWEAKREF(sv)) {
sv_del_backref(sv);
SvWEAKREF_off(sv);
- SvRV(sv) = 0;
+ SvRV_set(sv, NULL);
} else {
SvROK_off(sv);
- SvRV(sv) = 0;
+ SvRV_set(sv, NULL);
SvREFCNT_dec(rv);
}
}
PL_xpvmg_arenaroot = 0;
PL_xpvmg_root = 0;
+ for (arena = (XPV*)PL_xpvgv_arenaroot; arena; arena = arenanext) {
+ arenanext = (XPV*)arena->xpv_pv;
+ Safefree(arena);
+ }
+ PL_xpvgv_arenaroot = 0;
+ PL_xpvgv_root = 0;
+
for (arena = (XPV*)PL_xpvlv_arenaroot; arena; arena = arenanext) {
arenanext = (XPV*)arena->xpv_pv;
Safefree(arena);
PL_xpvbm_arenaroot = 0;
PL_xpvbm_root = 0;
- for (arena = (XPV*)PL_he_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
- Safefree(arena);
+ {
+ HE *he;
+ HE *he_next;
+ for (he = PL_he_arenaroot; he; he = he_next) {
+ he_next = HeNEXT(he);
+ Safefree(he);
+ }
}
PL_he_arenaroot = 0;
PL_he_root = 0;
+#if defined(USE_ITHREADS)
+ {
+ struct ptr_tbl_ent *pte;
+ struct ptr_tbl_ent *pte_next;
+ for (pte = PL_pte_arenaroot; pte; pte = pte_next) {
+ pte_next = pte->next;
+ Safefree(pte);
+ }
+ }
+ PL_pte_arenaroot = 0;
+ PL_pte_root = 0;
+#endif
+
if (PL_nice_chunk)
Safefree(PL_nice_chunk);
PL_nice_chunk = Nullch;
STATIC SV*
S_find_hash_subscript(pTHX_ HV *hv, SV* val)
{
+ dVAR;
register HE **array;
- register HE *entry;
I32 i;
if (!hv || SvMAGICAL(hv) || !HvARRAY(hv) ||
array = HvARRAY(hv);
for (i=HvMAX(hv); i>0; i--) {
+ register HE *entry;
for (entry = array[i]; entry; entry = HeNEXT(entry)) {
if (HeVAL(entry) != val)
continue;
STATIC SV *
S_find_uninit_var(pTHX_ OP* obase, SV* uninit_sv, bool match)
{
+ dVAR;
SV *sv;
AV *av;
SV **svp;
case OP_PADAV:
case OP_PADHV:
{
- bool pad = (obase->op_type == OP_PADAV || obase->op_type == OP_PADHV);
- bool hash = (obase->op_type == OP_PADHV || obase->op_type == OP_RV2HV);
+ const bool pad = (obase->op_type == OP_PADAV || obase->op_type == OP_PADHV);
+ const bool hash = (obase->op_type == OP_PADHV || obase->op_type == OP_RV2HV);
I32 index = 0;
SV *keysv = Nullsv;
int subscript_type = FUV_SUBSCRIPT_WITHIN;
keysv, 0, FUV_SUBSCRIPT_HASH);
}
else {
- I32 index = S_find_array_subscript(aTHX_ (AV*)sv, uninit_sv);
+ const I32 index = S_find_array_subscript(aTHX_ (AV*)sv, uninit_sv);
if (index >= 0)
- return S_varname(aTHX_ gv, "@", o->op_targ,
+ return S_varname(aTHX_ gv, "@", o->op_targ,
Nullsv, index, FUV_SUBSCRIPT_ARRAY);
}
if (match)
"", "", "");
}
-/* grab a new IV body from the free list, allocating more if necessary */
-
-STATIC XPVIV*
-S_new_xiv(pTHX)
-{
- IV* xiv;
- LOCK_SV_MUTEX;
- if (!PL_xiv_root)
- more_xiv();
- xiv = PL_xiv_root;
- /*
- * See comment in more_xiv() -- RAM.
- */
- PL_xiv_root = *(IV**)xiv;
- UNLOCK_SV_MUTEX;
- return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv));
-}
-/* return an IV body to the free list */
+/* allocate another arena's worth of struct xrv */
STATIC void
-S_del_xiv(pTHX_ XPVIV *p)
+S_more_xrv(pTHX)
{
- IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv));
- LOCK_SV_MUTEX;
- *(IV**)xiv = PL_xiv_root;
- PL_xiv_root = xiv;
- UNLOCK_SV_MUTEX;
+ XRV* xrv;
+ XRV* xrvend;
+ XPV *ptr;
+ New(712, ptr, PERL_ARENA_SIZE/sizeof(XPV), XPV);
+ ptr->xpv_pv = (char*)PL_xrv_arenaroot;
+ PL_xrv_arenaroot = ptr;
+
+ xrv = (XRV*) ptr;
+ xrvend = &xrv[PERL_ARENA_SIZE / sizeof(XRV) - 1];
+ xrv += (sizeof(XPV) - 1) / sizeof(XRV) + 1;
+ PL_xrv_root = xrv;
+ while (xrv < xrvend) {
+ xrv->xrv_rv = (SV*)(xrv + 1);
+ xrv++;
+ }
+ xrv->xrv_rv = 0;
}
/* allocate another arena's worth of IV bodies */
STATIC void
S_more_xiv(pTHX)
{
- register IV* xiv;
- register IV* xivend;
+ IV* xiv;
+ IV* xivend;
XPV* ptr;
- New(705, ptr, 1008/sizeof(XPV), XPV);
+ New(705, ptr, PERL_ARENA_SIZE/sizeof(XPV), XPV);
ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */
PL_xiv_arenaroot = ptr; /* to keep Purify happy */
xiv = (IV*) ptr;
- xivend = &xiv[1008 / sizeof(IV) - 1];
+ xivend = &xiv[PERL_ARENA_SIZE / sizeof(IV) - 1];
xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */
PL_xiv_root = xiv;
while (xiv < xivend) {
*(IV**)xiv = 0;
}
-/* grab a new NV body from the free list, allocating more if necessary */
-
-STATIC XPVNV*
-S_new_xnv(pTHX)
-{
- NV* xnv;
- LOCK_SV_MUTEX;
- if (!PL_xnv_root)
- more_xnv();
- xnv = PL_xnv_root;
- PL_xnv_root = *(NV**)xnv;
- UNLOCK_SV_MUTEX;
- return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv));
-}
-
-/* return an NV body to the free list */
-
-STATIC void
-S_del_xnv(pTHX_ XPVNV *p)
-{
- NV* xnv = (NV*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv));
- LOCK_SV_MUTEX;
- *(NV**)xnv = PL_xnv_root;
- PL_xnv_root = xnv;
- UNLOCK_SV_MUTEX;
-}
-
/* allocate another arena's worth of NV bodies */
STATIC void
S_more_xnv(pTHX)
{
- register NV* xnv;
- register NV* xnvend;
+ NV* xnv;
+ NV* xnvend;
XPV *ptr;
- New(711, ptr, 1008/sizeof(XPV), XPV);
+ New(711, ptr, PERL_ARENA_SIZE/sizeof(XPV), XPV);
ptr->xpv_pv = (char*)PL_xnv_arenaroot;
PL_xnv_arenaroot = ptr;
xnv = (NV*) ptr;
- xnvend = &xnv[1008 / sizeof(NV) - 1];
+ xnvend = &xnv[PERL_ARENA_SIZE / sizeof(NV) - 1];
xnv += (sizeof(XPVIV) - 1) / sizeof(NV) + 1; /* fudge by sizeof XPVIV */
PL_xnv_root = xnv;
while (xnv < xnvend) {
*(NV**)xnv = 0;
}
+/* allocate another arena's worth of struct xpv */
+
+STATIC void
+S_more_xpv(pTHX)
+{
+ XPV* xpv;
+ XPV* xpvend;
+ New(713, xpv, PERL_ARENA_SIZE/sizeof(XPV), XPV);
+ xpv->xpv_pv = (char*)PL_xpv_arenaroot;
+ PL_xpv_arenaroot = xpv;
+
+ xpvend = &xpv[PERL_ARENA_SIZE / sizeof(XPV) - 1];
+ PL_xpv_root = ++xpv;
+ while (xpv < xpvend) {
+ xpv->xpv_pv = (char*)(xpv + 1);
+ xpv++;
+ }
+ xpv->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpviv */
+
+STATIC void
+S_more_xpviv(pTHX)
+{
+ XPVIV* xpviv;
+ XPVIV* xpvivend;
+ New(714, xpviv, PERL_ARENA_SIZE/sizeof(XPVIV), XPVIV);
+ xpviv->xpv_pv = (char*)PL_xpviv_arenaroot;
+ PL_xpviv_arenaroot = xpviv;
+
+ xpvivend = &xpviv[PERL_ARENA_SIZE / sizeof(XPVIV) - 1];
+ PL_xpviv_root = ++xpviv;
+ while (xpviv < xpvivend) {
+ xpviv->xpv_pv = (char*)(xpviv + 1);
+ xpviv++;
+ }
+ xpviv->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpvnv */
+
+STATIC void
+S_more_xpvnv(pTHX)
+{
+ XPVNV* xpvnv;
+ XPVNV* xpvnvend;
+ New(715, xpvnv, PERL_ARENA_SIZE/sizeof(XPVNV), XPVNV);
+ xpvnv->xpv_pv = (char*)PL_xpvnv_arenaroot;
+ PL_xpvnv_arenaroot = xpvnv;
+
+ xpvnvend = &xpvnv[PERL_ARENA_SIZE / sizeof(XPVNV) - 1];
+ PL_xpvnv_root = ++xpvnv;
+ while (xpvnv < xpvnvend) {
+ xpvnv->xpv_pv = (char*)(xpvnv + 1);
+ xpvnv++;
+ }
+ xpvnv->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpvcv */
+
+STATIC void
+S_more_xpvcv(pTHX)
+{
+ XPVCV* xpvcv;
+ XPVCV* xpvcvend;
+ New(716, xpvcv, PERL_ARENA_SIZE/sizeof(XPVCV), XPVCV);
+ xpvcv->xpv_pv = (char*)PL_xpvcv_arenaroot;
+ PL_xpvcv_arenaroot = xpvcv;
+
+ xpvcvend = &xpvcv[PERL_ARENA_SIZE / sizeof(XPVCV) - 1];
+ PL_xpvcv_root = ++xpvcv;
+ while (xpvcv < xpvcvend) {
+ xpvcv->xpv_pv = (char*)(xpvcv + 1);
+ xpvcv++;
+ }
+ xpvcv->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpvav */
+
+STATIC void
+S_more_xpvav(pTHX)
+{
+ XPVAV* xpvav;
+ XPVAV* xpvavend;
+ New(717, xpvav, PERL_ARENA_SIZE/sizeof(XPVAV), XPVAV);
+ xpvav->xav_array = (char*)PL_xpvav_arenaroot;
+ PL_xpvav_arenaroot = xpvav;
+
+ xpvavend = &xpvav[PERL_ARENA_SIZE / sizeof(XPVAV) - 1];
+ PL_xpvav_root = ++xpvav;
+ while (xpvav < xpvavend) {
+ xpvav->xav_array = (char*)(xpvav + 1);
+ xpvav++;
+ }
+ xpvav->xav_array = 0;
+}
+
+/* allocate another arena's worth of struct xpvhv */
+
+STATIC void
+S_more_xpvhv(pTHX)
+{
+ XPVHV* xpvhv;
+ XPVHV* xpvhvend;
+ New(718, xpvhv, PERL_ARENA_SIZE/sizeof(XPVHV), XPVHV);
+ xpvhv->xhv_array = (char*)PL_xpvhv_arenaroot;
+ PL_xpvhv_arenaroot = xpvhv;
+
+ xpvhvend = &xpvhv[PERL_ARENA_SIZE / sizeof(XPVHV) - 1];
+ PL_xpvhv_root = ++xpvhv;
+ while (xpvhv < xpvhvend) {
+ xpvhv->xhv_array = (char*)(xpvhv + 1);
+ xpvhv++;
+ }
+ xpvhv->xhv_array = 0;
+}
+
+/* allocate another arena's worth of struct xpvmg */
+
+STATIC void
+S_more_xpvmg(pTHX)
+{
+ XPVMG* xpvmg;
+ XPVMG* xpvmgend;
+ New(719, xpvmg, PERL_ARENA_SIZE/sizeof(XPVMG), XPVMG);
+ xpvmg->xpv_pv = (char*)PL_xpvmg_arenaroot;
+ PL_xpvmg_arenaroot = xpvmg;
+
+ xpvmgend = &xpvmg[PERL_ARENA_SIZE / sizeof(XPVMG) - 1];
+ PL_xpvmg_root = ++xpvmg;
+ while (xpvmg < xpvmgend) {
+ xpvmg->xpv_pv = (char*)(xpvmg + 1);
+ xpvmg++;
+ }
+ xpvmg->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpvgv */
+
+STATIC void
+S_more_xpvgv(pTHX)
+{
+ XPVGV* xpvgv;
+ XPVGV* xpvgvend;
+ New(720, xpvgv, PERL_ARENA_SIZE/sizeof(XPVGV), XPVGV);
+ xpvgv->xpv_pv = (char*)PL_xpvgv_arenaroot;
+ PL_xpvgv_arenaroot = xpvgv;
+
+ xpvgvend = &xpvgv[PERL_ARENA_SIZE / sizeof(XPVGV) - 1];
+ PL_xpvgv_root = ++xpvgv;
+ while (xpvgv < xpvgvend) {
+ xpvgv->xpv_pv = (char*)(xpvgv + 1);
+ xpvgv++;
+ }
+ xpvgv->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpvlv */
+
+STATIC void
+S_more_xpvlv(pTHX)
+{
+ XPVLV* xpvlv;
+ XPVLV* xpvlvend;
+ New(720, xpvlv, PERL_ARENA_SIZE/sizeof(XPVLV), XPVLV);
+ xpvlv->xpv_pv = (char*)PL_xpvlv_arenaroot;
+ PL_xpvlv_arenaroot = xpvlv;
+
+ xpvlvend = &xpvlv[PERL_ARENA_SIZE / sizeof(XPVLV) - 1];
+ PL_xpvlv_root = ++xpvlv;
+ while (xpvlv < xpvlvend) {
+ xpvlv->xpv_pv = (char*)(xpvlv + 1);
+ xpvlv++;
+ }
+ xpvlv->xpv_pv = 0;
+}
+
+/* allocate another arena's worth of struct xpvbm */
+
+STATIC void
+S_more_xpvbm(pTHX)
+{
+ XPVBM* xpvbm;
+ XPVBM* xpvbmend;
+ New(721, xpvbm, PERL_ARENA_SIZE/sizeof(XPVBM), XPVBM);
+ xpvbm->xpv_pv = (char*)PL_xpvbm_arenaroot;
+ PL_xpvbm_arenaroot = xpvbm;
+
+ xpvbmend = &xpvbm[PERL_ARENA_SIZE / sizeof(XPVBM) - 1];
+ PL_xpvbm_root = ++xpvbm;
+ while (xpvbm < xpvbmend) {
+ xpvbm->xpv_pv = (char*)(xpvbm + 1);
+ xpvbm++;
+ }
+ xpvbm->xpv_pv = 0;
+}
+
/* grab a new struct xrv from the free list, allocating more if necessary */
STATIC XRV*
XRV* xrv;
LOCK_SV_MUTEX;
if (!PL_xrv_root)
- more_xrv();
+ S_more_xrv(aTHX);
xrv = PL_xrv_root;
PL_xrv_root = (XRV*)xrv->xrv_rv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xrv */
+/* grab a new IV body from the free list, allocating more if necessary */
+
+STATIC XPVIV*
+S_new_xiv(pTHX)
+{
+ IV* xiv;
+ LOCK_SV_MUTEX;
+ if (!PL_xiv_root)
+ S_more_xiv(aTHX);
+ xiv = PL_xiv_root;
+ /*
+ * See comment in more_xiv() -- RAM.
+ */
+ PL_xiv_root = *(IV**)xiv;
+ UNLOCK_SV_MUTEX;
+ return (XPVIV*)((char*)xiv - STRUCT_OFFSET(XPVIV, xiv_iv));
+}
+
+/* return an IV body to the free list */
STATIC void
-S_more_xrv(pTHX)
+S_del_xiv(pTHX_ XPVIV *p)
{
- register XRV* xrv;
- register XRV* xrvend;
- XPV *ptr;
- New(712, ptr, 1008/sizeof(XPV), XPV);
- ptr->xpv_pv = (char*)PL_xrv_arenaroot;
- PL_xrv_arenaroot = ptr;
+ IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv));
+ LOCK_SV_MUTEX;
+ *(IV**)xiv = PL_xiv_root;
+ PL_xiv_root = xiv;
+ UNLOCK_SV_MUTEX;
+}
- xrv = (XRV*) ptr;
- xrvend = &xrv[1008 / sizeof(XRV) - 1];
- xrv += (sizeof(XPV) - 1) / sizeof(XRV) + 1;
- PL_xrv_root = xrv;
- while (xrv < xrvend) {
- xrv->xrv_rv = (SV*)(xrv + 1);
- xrv++;
- }
- xrv->xrv_rv = 0;
+/* grab a new NV body from the free list, allocating more if necessary */
+
+STATIC XPVNV*
+S_new_xnv(pTHX)
+{
+ NV* xnv;
+ LOCK_SV_MUTEX;
+ if (!PL_xnv_root)
+ S_more_xnv(aTHX);
+ xnv = PL_xnv_root;
+ PL_xnv_root = *(NV**)xnv;
+ UNLOCK_SV_MUTEX;
+ return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv));
+}
+
+/* return an NV body to the free list */
+
+STATIC void
+S_del_xnv(pTHX_ XPVNV *p)
+{
+ NV* xnv = (NV*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv));
+ LOCK_SV_MUTEX;
+ *(NV**)xnv = PL_xnv_root;
+ PL_xnv_root = xnv;
+ UNLOCK_SV_MUTEX;
}
/* grab a new struct xpv from the free list, allocating more if necessary */
XPV* xpv;
LOCK_SV_MUTEX;
if (!PL_xpv_root)
- more_xpv();
+ S_more_xpv(aTHX);
xpv = PL_xpv_root;
PL_xpv_root = (XPV*)xpv->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpv */
-
-STATIC void
-S_more_xpv(pTHX)
-{
- register XPV* xpv;
- register XPV* xpvend;
- New(713, xpv, 1008/sizeof(XPV), XPV);
- xpv->xpv_pv = (char*)PL_xpv_arenaroot;
- PL_xpv_arenaroot = xpv;
-
- xpvend = &xpv[1008 / sizeof(XPV) - 1];
- PL_xpv_root = ++xpv;
- while (xpv < xpvend) {
- xpv->xpv_pv = (char*)(xpv + 1);
- xpv++;
- }
- xpv->xpv_pv = 0;
-}
-
/* grab a new struct xpviv from the free list, allocating more if necessary */
STATIC XPVIV*
XPVIV* xpviv;
LOCK_SV_MUTEX;
if (!PL_xpviv_root)
- more_xpviv();
+ S_more_xpviv(aTHX);
xpviv = PL_xpviv_root;
PL_xpviv_root = (XPVIV*)xpviv->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpviv */
-
-STATIC void
-S_more_xpviv(pTHX)
-{
- register XPVIV* xpviv;
- register XPVIV* xpvivend;
- New(714, xpviv, 1008/sizeof(XPVIV), XPVIV);
- xpviv->xpv_pv = (char*)PL_xpviv_arenaroot;
- PL_xpviv_arenaroot = xpviv;
-
- xpvivend = &xpviv[1008 / sizeof(XPVIV) - 1];
- PL_xpviv_root = ++xpviv;
- while (xpviv < xpvivend) {
- xpviv->xpv_pv = (char*)(xpviv + 1);
- xpviv++;
- }
- xpviv->xpv_pv = 0;
-}
-
/* grab a new struct xpvnv from the free list, allocating more if necessary */
STATIC XPVNV*
XPVNV* xpvnv;
LOCK_SV_MUTEX;
if (!PL_xpvnv_root)
- more_xpvnv();
+ S_more_xpvnv(aTHX);
xpvnv = PL_xpvnv_root;
PL_xpvnv_root = (XPVNV*)xpvnv->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvnv */
-
-STATIC void
-S_more_xpvnv(pTHX)
-{
- register XPVNV* xpvnv;
- register XPVNV* xpvnvend;
- New(715, xpvnv, 1008/sizeof(XPVNV), XPVNV);
- xpvnv->xpv_pv = (char*)PL_xpvnv_arenaroot;
- PL_xpvnv_arenaroot = xpvnv;
-
- xpvnvend = &xpvnv[1008 / sizeof(XPVNV) - 1];
- PL_xpvnv_root = ++xpvnv;
- while (xpvnv < xpvnvend) {
- xpvnv->xpv_pv = (char*)(xpvnv + 1);
- xpvnv++;
- }
- xpvnv->xpv_pv = 0;
-}
-
/* grab a new struct xpvcv from the free list, allocating more if necessary */
STATIC XPVCV*
XPVCV* xpvcv;
LOCK_SV_MUTEX;
if (!PL_xpvcv_root)
- more_xpvcv();
+ S_more_xpvcv(aTHX);
xpvcv = PL_xpvcv_root;
PL_xpvcv_root = (XPVCV*)xpvcv->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvcv */
-
-STATIC void
-S_more_xpvcv(pTHX)
-{
- register XPVCV* xpvcv;
- register XPVCV* xpvcvend;
- New(716, xpvcv, 1008/sizeof(XPVCV), XPVCV);
- xpvcv->xpv_pv = (char*)PL_xpvcv_arenaroot;
- PL_xpvcv_arenaroot = xpvcv;
-
- xpvcvend = &xpvcv[1008 / sizeof(XPVCV) - 1];
- PL_xpvcv_root = ++xpvcv;
- while (xpvcv < xpvcvend) {
- xpvcv->xpv_pv = (char*)(xpvcv + 1);
- xpvcv++;
- }
- xpvcv->xpv_pv = 0;
-}
-
/* grab a new struct xpvav from the free list, allocating more if necessary */
STATIC XPVAV*
XPVAV* xpvav;
LOCK_SV_MUTEX;
if (!PL_xpvav_root)
- more_xpvav();
+ S_more_xpvav(aTHX);
xpvav = PL_xpvav_root;
PL_xpvav_root = (XPVAV*)xpvav->xav_array;
UNLOCK_SV_MUTEX;
/* return a struct xpvav to the free list */
STATIC void
-S_del_xpvav(pTHX_ XPVAV *p)
-{
- LOCK_SV_MUTEX;
- p->xav_array = (char*)PL_xpvav_root;
- PL_xpvav_root = p;
- UNLOCK_SV_MUTEX;
-}
-
-/* allocate another arena's worth of struct xpvav */
-
-STATIC void
-S_more_xpvav(pTHX)
+S_del_xpvav(pTHX_ XPVAV *p)
{
- register XPVAV* xpvav;
- register XPVAV* xpvavend;
- New(717, xpvav, 1008/sizeof(XPVAV), XPVAV);
- xpvav->xav_array = (char*)PL_xpvav_arenaroot;
- PL_xpvav_arenaroot = xpvav;
-
- xpvavend = &xpvav[1008 / sizeof(XPVAV) - 1];
- PL_xpvav_root = ++xpvav;
- while (xpvav < xpvavend) {
- xpvav->xav_array = (char*)(xpvav + 1);
- xpvav++;
- }
- xpvav->xav_array = 0;
+ LOCK_SV_MUTEX;
+ p->xav_array = (char*)PL_xpvav_root;
+ PL_xpvav_root = p;
+ UNLOCK_SV_MUTEX;
}
/* grab a new struct xpvhv from the free list, allocating more if necessary */
XPVHV* xpvhv;
LOCK_SV_MUTEX;
if (!PL_xpvhv_root)
- more_xpvhv();
+ S_more_xpvhv(aTHX);
xpvhv = PL_xpvhv_root;
PL_xpvhv_root = (XPVHV*)xpvhv->xhv_array;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvhv */
-
-STATIC void
-S_more_xpvhv(pTHX)
-{
- register XPVHV* xpvhv;
- register XPVHV* xpvhvend;
- New(718, xpvhv, 1008/sizeof(XPVHV), XPVHV);
- xpvhv->xhv_array = (char*)PL_xpvhv_arenaroot;
- PL_xpvhv_arenaroot = xpvhv;
-
- xpvhvend = &xpvhv[1008 / sizeof(XPVHV) - 1];
- PL_xpvhv_root = ++xpvhv;
- while (xpvhv < xpvhvend) {
- xpvhv->xhv_array = (char*)(xpvhv + 1);
- xpvhv++;
- }
- xpvhv->xhv_array = 0;
-}
-
/* grab a new struct xpvmg from the free list, allocating more if necessary */
STATIC XPVMG*
XPVMG* xpvmg;
LOCK_SV_MUTEX;
if (!PL_xpvmg_root)
- more_xpvmg();
+ S_more_xpvmg(aTHX);
xpvmg = PL_xpvmg_root;
PL_xpvmg_root = (XPVMG*)xpvmg->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvmg */
+/* grab a new struct xpvgv from the free list, allocating more if necessary */
-STATIC void
-S_more_xpvmg(pTHX)
+STATIC XPVGV*
+S_new_xpvgv(pTHX)
{
- register XPVMG* xpvmg;
- register XPVMG* xpvmgend;
- New(719, xpvmg, 1008/sizeof(XPVMG), XPVMG);
- xpvmg->xpv_pv = (char*)PL_xpvmg_arenaroot;
- PL_xpvmg_arenaroot = xpvmg;
+ XPVGV* xpvgv;
+ LOCK_SV_MUTEX;
+ if (!PL_xpvgv_root)
+ S_more_xpvgv(aTHX);
+ xpvgv = PL_xpvgv_root;
+ PL_xpvgv_root = (XPVGV*)xpvgv->xpv_pv;
+ UNLOCK_SV_MUTEX;
+ return xpvgv;
+}
- xpvmgend = &xpvmg[1008 / sizeof(XPVMG) - 1];
- PL_xpvmg_root = ++xpvmg;
- while (xpvmg < xpvmgend) {
- xpvmg->xpv_pv = (char*)(xpvmg + 1);
- xpvmg++;
- }
- xpvmg->xpv_pv = 0;
+/* return a struct xpvgv to the free list */
+
+STATIC void
+S_del_xpvgv(pTHX_ XPVGV *p)
+{
+ LOCK_SV_MUTEX;
+ p->xpv_pv = (char*)PL_xpvgv_root;
+ PL_xpvgv_root = p;
+ UNLOCK_SV_MUTEX;
}
/* grab a new struct xpvlv from the free list, allocating more if necessary */
XPVLV* xpvlv;
LOCK_SV_MUTEX;
if (!PL_xpvlv_root)
- more_xpvlv();
+ S_more_xpvlv(aTHX);
xpvlv = PL_xpvlv_root;
PL_xpvlv_root = (XPVLV*)xpvlv->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvlv */
-
-STATIC void
-S_more_xpvlv(pTHX)
-{
- register XPVLV* xpvlv;
- register XPVLV* xpvlvend;
- New(720, xpvlv, 1008/sizeof(XPVLV), XPVLV);
- xpvlv->xpv_pv = (char*)PL_xpvlv_arenaroot;
- PL_xpvlv_arenaroot = xpvlv;
-
- xpvlvend = &xpvlv[1008 / sizeof(XPVLV) - 1];
- PL_xpvlv_root = ++xpvlv;
- while (xpvlv < xpvlvend) {
- xpvlv->xpv_pv = (char*)(xpvlv + 1);
- xpvlv++;
- }
- xpvlv->xpv_pv = 0;
-}
-
/* grab a new struct xpvbm from the free list, allocating more if necessary */
STATIC XPVBM*
XPVBM* xpvbm;
LOCK_SV_MUTEX;
if (!PL_xpvbm_root)
- more_xpvbm();
+ S_more_xpvbm(aTHX);
xpvbm = PL_xpvbm_root;
PL_xpvbm_root = (XPVBM*)xpvbm->xpv_pv;
UNLOCK_SV_MUTEX;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvbm */
-
-STATIC void
-S_more_xpvbm(pTHX)
-{
- register XPVBM* xpvbm;
- register XPVBM* xpvbmend;
- New(721, xpvbm, 1008/sizeof(XPVBM), XPVBM);
- xpvbm->xpv_pv = (char*)PL_xpvbm_arenaroot;
- PL_xpvbm_arenaroot = xpvbm;
-
- xpvbmend = &xpvbm[1008 / sizeof(XPVBM) - 1];
- PL_xpvbm_root = ++xpvbm;
- while (xpvbm < xpvbmend) {
- xpvbm->xpv_pv = (char*)(xpvbm + 1);
- xpvbm++;
- }
- xpvbm->xpv_pv = 0;
-}
-
#define my_safemalloc(s) (void*)safemalloc(s)
#define my_safefree(p) safefree((char*)p)
#define new_XPVMG() my_safemalloc(sizeof(XPVMG))
#define del_XPVMG(p) my_safefree(p)
+#define new_XPVGV() my_safemalloc(sizeof(XPVGV))
+#define del_XPVGV(p) my_safefree(p)
+
#define new_XPVLV() my_safemalloc(sizeof(XPVLV))
#define del_XPVLV(p) my_safefree(p)
#define new_XPVMG() (void*)new_xpvmg()
#define del_XPVMG(p) del_xpvmg((XPVMG *)p)
+#define new_XPVGV() (void*)new_xpvgv()
+#define del_XPVGV(p) del_xpvgv((XPVGV *)p)
+
#define new_XPVLV() (void*)new_xpvlv()
#define del_XPVLV(p) del_xpvlv((XPVLV *)p)
#endif /* PURIFY */
-#define new_XPVGV() my_safemalloc(sizeof(XPVGV))
-#define del_XPVGV(p) my_safefree(p)
-
#define new_XPVFM() my_safemalloc(sizeof(XPVFM))
#define del_XPVFM(p) my_safefree(p)
Perl_sv_upgrade(pTHX_ register SV *sv, U32 mt)
{
- char* pv = NULL;
- U32 cur = 0;
- U32 len = 0;
- IV iv = 0;
- NV nv = 0.0;
- MAGIC* magic = NULL;
- HV* stash = Nullhv;
+ char* pv;
+ U32 cur;
+ U32 len;
+ IV iv;
+ NV nv;
+ MAGIC* magic;
+ HV* stash;
if (mt != SVt_PV && SvIsCOW(sv)) {
sv_force_normal_flags(sv, 0);
if (SvTYPE(sv) == mt)
return TRUE;
- if (mt < SVt_PVIV)
- (void)SvOOK_off(sv);
+ pv = NULL;
+ cur = 0;
+ len = 0;
+ iv = 0;
+ nv = 0.0;
+ magic = NULL;
+ stash = Nullhv;
switch (SvTYPE(sv)) {
case SVt_NULL:
- pv = 0;
- cur = 0;
- len = 0;
- iv = 0;
- nv = 0.0;
- magic = 0;
- stash = 0;
break;
case SVt_IV:
- pv = 0;
- cur = 0;
- len = 0;
iv = SvIVX(sv);
- nv = (NV)SvIVX(sv);
del_XIV(SvANY(sv));
- magic = 0;
- stash = 0;
if (mt == SVt_NV)
mt = SVt_PVNV;
else if (mt < SVt_PVIV)
mt = SVt_PVIV;
break;
case SVt_NV:
- pv = 0;
- cur = 0;
- len = 0;
nv = SvNVX(sv);
- iv = I_V(nv);
- magic = 0;
- stash = 0;
del_XNV(SvANY(sv));
- SvANY(sv) = 0;
if (mt < SVt_PVNV)
mt = SVt_PVNV;
break;
case SVt_RV:
pv = (char*)SvRV(sv);
- cur = 0;
- len = 0;
- iv = PTR2IV(pv);
- nv = PTR2NV(pv);
del_XRV(SvANY(sv));
- magic = 0;
- stash = 0;
break;
case SVt_PV:
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
- iv = 0;
- nv = 0.0;
- magic = 0;
- stash = 0;
del_XPV(SvANY(sv));
if (mt <= SVt_IV)
mt = SVt_PVIV;
cur = SvCUR(sv);
len = SvLEN(sv);
iv = SvIVX(sv);
- nv = 0.0;
- magic = 0;
- stash = 0;
del_XPVIV(SvANY(sv));
break;
case SVt_PVNV:
len = SvLEN(sv);
iv = SvIVX(sv);
nv = SvNVX(sv);
- magic = 0;
- stash = 0;
del_XPVNV(SvANY(sv));
break;
case SVt_PVMG:
+ /* Because the XPVMG of PL_mess_sv isn't allocated from the arena,
+ there's no way that it can be safely upgraded, because perl.c
+ expects to Safefree(SvANY(PL_mess_sv)) */
+ assert(sv != PL_mess_sv);
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
break;
case SVt_RV:
SvANY(sv) = new_XRV();
- SvRV(sv) = (SV*)pv;
- break;
- case SVt_PV:
- SvANY(sv) = new_XPV();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- break;
- case SVt_PVIV:
- SvANY(sv) = new_XPVIV();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- if (SvNIOK(sv))
- (void)SvIOK_on(sv);
- SvNOK_off(sv);
- break;
- case SVt_PVNV:
- SvANY(sv) = new_XPVNV();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- break;
- case SVt_PVMG:
- SvANY(sv) = new_XPVMG();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- break;
- case SVt_PVLV:
- SvANY(sv) = new_XPVLV();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- LvTARGOFF(sv) = 0;
- LvTARGLEN(sv) = 0;
- LvTARG(sv) = 0;
- LvTYPE(sv) = 0;
- GvGP(sv) = 0;
- GvNAME(sv) = 0;
- GvNAMELEN(sv) = 0;
- GvSTASH(sv) = 0;
- GvFLAGS(sv) = 0;
- break;
- case SVt_PVAV:
- SvANY(sv) = new_XPVAV();
- if (pv)
- Safefree(pv);
- SvPVX(sv) = 0;
- AvMAX(sv) = -1;
- AvFILLp(sv) = -1;
- SvIV_set(sv, 0);
- SvNV_set(sv, 0.0);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- AvALLOC(sv) = 0;
- AvARYLEN(sv) = 0;
- AvFLAGS(sv) = AVf_REAL;
+ SvRV_set(sv, (SV*)pv);
break;
case SVt_PVHV:
SvANY(sv) = new_XPVHV();
- if (pv)
- Safefree(pv);
- SvPVX(sv) = 0;
- HvFILL(sv) = 0;
- HvMAX(sv) = 0;
- HvTOTALKEYS(sv) = 0;
- HvPLACEHOLDERS(sv) = 0;
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
HvRITER(sv) = 0;
HvEITER(sv) = 0;
HvPMROOT(sv) = 0;
HvNAME(sv) = 0;
+ HvFILL(sv) = 0;
+ HvMAX(sv) = 0;
+ HvTOTALKEYS(sv) = 0;
+ HvPLACEHOLDERS(sv) = 0;
+
+ /* Fall through... */
+ if (0) {
+ case SVt_PVAV:
+ SvANY(sv) = new_XPVAV();
+ AvMAX(sv) = -1;
+ AvFILLp(sv) = -1;
+ AvALLOC(sv) = 0;
+ AvARYLEN(sv)= 0;
+ AvFLAGS(sv) = AVf_REAL;
+ SvIV_set(sv, 0);
+ SvNV_set(sv, 0.0);
+ }
+ /* to here. */
+ /* XXX? Only SVt_NULL is ever upgraded to AV or HV? */
+ assert(!pv);
+ /* FIXME. Should be able to remove all this if()... if the above
+ assertion is genuinely always true. */
+ if(SvOOK(sv)) {
+ pv -= iv;
+ SvFLAGS(sv) &= ~SVf_OOK;
+ }
+ Safefree(pv);
+ SvPV_set(sv, (char*)0);
+ SvMAGIC_set(sv, magic);
+ SvSTASH_set(sv, stash);
break;
+
+ case SVt_PVIO:
+ SvANY(sv) = new_XPVIO();
+ Zero(SvANY(sv), 1, XPVIO);
+ IoPAGE_LEN(sv) = 60;
+ goto set_magic_common;
+ case SVt_PVFM:
+ SvANY(sv) = new_XPVFM();
+ Zero(SvANY(sv), 1, XPVFM);
+ goto set_magic_common;
+ case SVt_PVBM:
+ SvANY(sv) = new_XPVBM();
+ BmRARE(sv) = 0;
+ BmUSEFUL(sv) = 0;
+ BmPREVIOUS(sv) = 0;
+ goto set_magic_common;
+ case SVt_PVGV:
+ SvANY(sv) = new_XPVGV();
+ GvGP(sv) = 0;
+ GvNAME(sv) = 0;
+ GvNAMELEN(sv) = 0;
+ GvSTASH(sv) = 0;
+ GvFLAGS(sv) = 0;
+ goto set_magic_common;
case SVt_PVCV:
SvANY(sv) = new_XPVCV();
Zero(SvANY(sv), 1, XPVCV);
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- break;
- case SVt_PVGV:
- SvANY(sv) = new_XPVGV();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
+ goto set_magic_common;
+ case SVt_PVLV:
+ SvANY(sv) = new_XPVLV();
+ LvTARGOFF(sv) = 0;
+ LvTARGLEN(sv) = 0;
+ LvTARG(sv) = 0;
+ LvTYPE(sv) = 0;
GvGP(sv) = 0;
GvNAME(sv) = 0;
GvNAMELEN(sv) = 0;
GvSTASH(sv) = 0;
GvFLAGS(sv) = 0;
- break;
- case SVt_PVBM:
- SvANY(sv) = new_XPVBM();
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- BmRARE(sv) = 0;
- BmUSEFUL(sv) = 0;
- BmPREVIOUS(sv) = 0;
- break;
- case SVt_PVFM:
- SvANY(sv) = new_XPVFM();
- Zero(SvANY(sv), 1, XPVFM);
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
- SvIV_set(sv, iv);
+ /* Fall through. */
+ if (0) {
+ case SVt_PVMG:
+ SvANY(sv) = new_XPVMG();
+ }
+ set_magic_common:
+ SvMAGIC_set(sv, magic);
+ SvSTASH_set(sv, stash);
+ /* Fall through. */
+ if (0) {
+ case SVt_PVNV:
+ SvANY(sv) = new_XPVNV();
+ }
SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- break;
- case SVt_PVIO:
- SvANY(sv) = new_XPVIO();
- Zero(SvANY(sv), 1, XPVIO);
- SvPVX(sv) = pv;
- SvCUR(sv) = cur;
- SvLEN(sv) = len;
+ /* Fall through. */
+ if (0) {
+ case SVt_PVIV:
+ SvANY(sv) = new_XPVIV();
+ if (SvNIOK(sv))
+ (void)SvIOK_on(sv);
+ SvNOK_off(sv);
+ }
SvIV_set(sv, iv);
- SvNV_set(sv, nv);
- SvMAGIC(sv) = magic;
- SvSTASH(sv) = stash;
- IoPAGE_LEN(sv) = 60;
+ /* Fall through. */
+ if (0) {
+ case SVt_PV:
+ SvANY(sv) = new_XPV();
+ }
+ SvPV_set(sv, pv);
+ SvCUR_set(sv, cur);
+ SvLEN_set(sv, len);
break;
}
return TRUE;
assert(SvOOK(sv));
if (SvIVX(sv)) {
char *s = SvPVX(sv);
- SvLEN(sv) += SvIVX(sv);
- SvPVX(sv) -= SvIVX(sv);
+ SvLEN_set(sv, SvLEN(sv) + SvIVX(sv));
+ SvPV_set(sv, SvPVX(sv) - SvIVX(sv));
SvIV_set(sv, 0);
Move(s, SvPVX(sv), SvCUR(sv)+1, char);
}
}
else if (SvPOKp(sv) && SvLEN(sv)) {
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
/* We want to avoid a possible problem when we cache an IV which
may be later translated to an NV, and the resulting NV is not
the same as the direct translation of the initial string
}
else if (SvPOKp(sv) && SvLEN(sv)) {
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
/* We want to avoid a possible problem when we cache a UV which
may be later translated to an NV, and the resulting NV is not
}
else if (SvPOKp(sv) && SvLEN(sv)) {
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !numtype)
not_a_number(sv);
#ifdef NV_PRESERVES_UV
return SvPVX(tsv);
}
else {
+ dVAR;
STRLEN len;
const char *t;
STRLEN
Perl_sv_utf8_upgrade_flags(pTHX_ register SV *sv, I32 flags)
{
- U8 *s, *t, *e;
- int hibit = 0;
-
if (sv == &PL_sv_undef)
return 0;
if (!SvPOK(sv)) {
if (PL_encoding && !(flags & SV_UTF8_NO_ENCODING))
sv_recode_to_utf8(sv, PL_encoding);
else { /* Assume Latin-1/EBCDIC */
- /* This function could be much more efficient if we
- * had a FLAG in SVs to signal if there are any hibit
- * chars in the PV. Given that there isn't such a flag
- * make the loop as fast as possible. */
- s = (U8 *) SvPVX(sv);
- e = (U8 *) SvEND(sv);
- t = s;
- while (t < e) {
- U8 ch = *t++;
- if ((hibit = !NATIVE_IS_INVARIANT(ch)))
- break;
- }
- if (hibit) {
- STRLEN len;
- (void)SvOOK_off(sv);
- s = (U8*)SvPVX(sv);
- len = SvCUR(sv) + 1; /* Plus the \0 */
- SvPVX(sv) = (char*)bytes_to_utf8((U8*)s, &len);
- SvCUR(sv) = len - 1;
- if (SvLEN(sv) != 0)
- Safefree(s); /* No longer using what was there before. */
- SvLEN(sv) = len; /* No longer know the real size. */
- }
- /* Mark as UTF-8 even if no hibit - saves scanning loop */
- SvUTF8_on(sv);
+ /* This function could be much more efficient if we
+ * had a FLAG in SVs to signal if there are any hibit
+ * chars in the PV. Given that there isn't such a flag
+ * make the loop as fast as possible. */
+ U8 *s = (U8 *) SvPVX(sv);
+ U8 *e = (U8 *) SvEND(sv);
+ U8 *t = s;
+ int hibit = 0;
+
+ while (t < e) {
+ U8 ch = *t++;
+ if ((hibit = !NATIVE_IS_INVARIANT(ch)))
+ break;
+ }
+ if (hibit) {
+ STRLEN len = SvCUR(sv) + 1; /* Plus the \0 */
+ s = bytes_to_utf8((U8*)s, &len);
+
+ SvPV_free(sv); /* No longer using what was there before. */
+
+ SvPV_set(sv, (char*)s);
+ SvCUR_set(sv, len - 1);
+ SvLEN_set(sv, len); /* No longer know the real size. */
+ }
+ /* Mark as UTF-8 even if no hibit - saves scanning loop */
+ SvUTF8_on(sv);
}
return SvCUR(sv);
}
Perl_croak(aTHX_ "Wide character");
}
}
- SvCUR(sv) = len;
+ SvCUR_set(sv, len);
}
}
SvUTF8_off(sv);
return;
}
if (SvPVX(dstr)) {
- (void)SvOOK_off(dstr); /* backoff */
- if (SvLEN(dstr))
- Safefree(SvPVX(dstr));
- SvLEN(dstr)=SvCUR(dstr)=0;
+ SvPV_free(dstr);
+ SvLEN_set(dstr, 0);
+ SvCUR_set(dstr, 0);
}
}
(void)SvOK_off(dstr);
- SvRV(dstr) = SvREFCNT_inc(SvRV(sstr));
+ SvRV_set(dstr, SvREFCNT_inc(SvRV(sstr)));
SvROK_on(dstr);
if (sflags & SVp_NOK) {
SvNOKp_on(dstr);
(sflags & SVf_UTF8?-cur:cur), hash));
SvUV_set(dstr, hash);
}
- SvLEN(dstr) = len;
- SvCUR(dstr) = cur;
+ SvLEN_set(dstr, len);
+ SvCUR_set(dstr, cur);
SvREADONLY_on(dstr);
SvFAKE_on(dstr);
/* Relesase a global SV mutex. */
SvFLAGS(dstr) = (SVt_PVIV|SVf_POK|SVp_POK|SVf_FAKE|SVf_READONLY);
if (SvUTF8(sstr))
SvUTF8_on(dstr);
- SvLEN(dstr) = len;
- SvCUR(dstr) = cur;
+ SvLEN_set(dstr, len);
+ SvCUR_set(dstr, cur);
if (DEBUG_C_TEST) {
sv_dump(dstr);
}
(void)SvOK_off(sv);
return;
}
- (void)SvOOK_off(sv);
- if (SvPVX(sv) && SvLEN(sv))
- Safefree(SvPVX(sv));
+ if (SvPVX(sv))
+ SvPV_free(sv);
Renew(ptr, len+1, char);
- SvPVX(sv) = ptr;
+ SvPV_set(sv, ptr);
SvCUR_set(sv, len);
SvLEN_set(sv, len+1);
*SvEND(sv) = '\0';
SvFAKE_off(sv);
SvREADONLY_off(sv);
/* This SV doesn't own the buffer, so need to New() a new one: */
- SvPVX(sv) = 0;
- SvLEN(sv) = 0;
+ SvPV_set(sv, (char*)0);
+ SvLEN_set(sv, 0);
if (flags & SV_COW_DROP_PV) {
/* OK, so we don't need to copy our buffer. */
SvPOK_off(sv);
} else {
SvGROW(sv, cur + 1);
Move(pvx,SvPVX(sv),cur,char);
- SvCUR(sv) = cur;
+ SvCUR_set(sv, cur);
*SvEND(sv) = '\0';
}
sv_release_COW(sv, pvx, cur, len, hash, next);
U32 hash = SvUVX(sv);
SvFAKE_off(sv);
SvREADONLY_off(sv);
- SvPVX(sv) = 0;
- SvLEN(sv) = 0;
+ SvPV_set(sv, (char*)0);
+ SvLEN_set(sv, 0);
SvGROW(sv, len + 1);
Move(pvx,SvPVX(sv),len,char);
*SvEND(sv) = '\0';
*/
void
-Perl_sv_chop(pTHX_ register SV *sv, register char *ptr)
+Perl_sv_chop(pTHX_ register SV *sv, register const char *ptr)
{
register STRLEN delta;
if (!ptr || !SvPOKp(sv))
if (!SvOOK(sv)) {
if (!SvLEN(sv)) { /* make copy of shared string */
- char *pvx = SvPVX(sv);
+ const char *pvx = SvPVX(sv);
STRLEN len = SvCUR(sv);
SvGROW(sv, len + 1);
Move(pvx,SvPVX(sv),len,char);
SvFLAGS(sv) |= SVf_OOK;
}
SvNIOK_off(sv);
- SvLEN(sv) -= delta;
- SvCUR(sv) -= delta;
- SvPVX(sv) += delta;
+ SvLEN_set(sv, SvLEN(sv) - delta);
+ SvCUR_set(sv, SvCUR(sv) - delta);
+ SvPV_set(sv, SvPVX(sv) + delta);
SvIV_set(sv, SvIVX(sv) + delta);
}
Perl_sv_catpvn_flags(pTHX_ register SV *dsv, register const char *sstr, register STRLEN slen, I32 flags)
{
STRLEN dlen;
- char *dstr;
+ const char *dstr = SvPV_force_flags(dsv, dlen, flags);
- dstr = SvPV_force_flags(dsv, dlen, flags);
SvGROW(dsv, dlen + slen + 1);
if (sstr == dstr)
sstr = SvPVX(dsv);
Move(sstr, SvPVX(dsv) + dlen, slen, char);
- SvCUR(dsv) += slen;
+ SvCUR_set(dsv, SvCUR(dsv) + slen);
*SvEND(dsv) = '\0';
(void)SvPOK_only_UTF8(dsv); /* validate pointer */
SvTAINT(dsv);
if (ptr == junk)
ptr = SvPVX(sv);
Move(ptr,SvPVX(sv)+tlen,len+1,char);
- SvCUR(sv) += len;
+ SvCUR_set(sv, SvCUR(sv) + len);
(void)SvPOK_only_UTF8(sv); /* validate pointer */
SvTAINT(sv);
}
}
Newz(702,mg, 1, MAGIC);
mg->mg_moremagic = SvMAGIC(sv);
- SvMAGIC(sv) = mg;
+ SvMAGIC_set(sv, mg);
/* Sometimes a magic contains a reference loop, where the sv and
object refer to each other. To prevent a reference loop that
}
/* Rest of work is done else where */
- mg = sv_magicext(sv,obj,how,vtable,name,namlen);
+ mg = sv_magicext(sv,obj,how,(MGVTBL*)vtable,name,namlen);
switch (how) {
case PERL_MAGIC_taint:
while (midend > mid) /* shove everything down */
*--bigend = *--midend;
Move(little,big+offset,littlelen,char);
- SvCUR(bigstr) += i;
+ SvCUR_set(bigstr, SvCUR(bigstr) + i);
SvSETMAGIC(bigstr);
return;
}
mg_free(nsv);
else
sv_upgrade(nsv, SVt_PVMG);
- SvMAGIC(nsv) = SvMAGIC(sv);
+ SvMAGIC_set(nsv, SvMAGIC(sv));
SvFLAGS(nsv) |= SvMAGICAL(sv);
SvMAGICAL_off(sv);
- SvMAGIC(sv) = 0;
+ SvMAGIC_set(sv, NULL);
}
SvREFCNT(sv) = 0;
sv_clear(sv);
void
Perl_sv_clear(pTHX_ register SV *sv)
{
+ dVAR;
HV* stash;
assert(sv);
assert(SvREFCNT(sv) == 0);
if(SvREFCNT(tmpref) < 2) {
/* tmpref is not kept alive! */
SvREFCNT(sv)--;
- SvRV(tmpref) = 0;
+ SvRV_set(tmpref, NULL);
SvROK_off(tmpref);
}
SvREFCNT_dec(tmpref);
case SVt_PVNV:
case SVt_PVIV:
freescalar:
- SvOOK_off(sv);
+ /* Don't bother with SvOOK_off(sv); as we're only going to free it. */
+ if (SvOOK(sv)) {
+ SvPV_set(sv, SvPVX(sv) - SvIVX(sv));
+ /* Don't even bother with turning off the OOK flag. */
+ }
/* FALL THROUGH */
case SVt_PV:
case SVt_RV:
void
Perl_sv_free(pTHX_ SV *sv)
{
+ dVAR;
if (!sv)
return;
if (SvREFCNT(sv) == 0) {
void
Perl_sv_free2(pTHX_ SV *sv)
{
+ dVAR;
#ifdef DEBUGGING
if (SvTEMP(sv)) {
if (ckWARN_d(WARN_DEBUGGING))
if (SvMAGICAL(sv) && !SvREADONLY(sv)) {
if (!*mgp)
- *mgp = sv_magicext(sv, 0, PERL_MAGIC_utf8, &PL_vtbl_utf8, 0, 0);
+ *mgp = sv_magicext(sv, 0, PERL_MAGIC_utf8, (MGVTBL*)&PL_vtbl_utf8, 0, 0);
assert(*mgp);
if ((*mgp)->mg_ptr)
if (lenp) {
found = FALSE;
start = s;
- if (utf8_mg_pos(sv, &mg, &cache, 2, lenp, *lenp + *offsetp, &s, start, send)) {
+ if (utf8_mg_pos(sv, &mg, &cache, 2, lenp, *lenp, &s, start, send)) {
*lenp -= boffset;
found = TRUE;
}
*/
Stat_t st;
if (!PerlLIO_fstat(PerlIO_fileno(fp), &st) && S_ISREG(st.st_mode)) {
- Off_t offset = PerlIO_tell(fp);
+ const Off_t offset = PerlIO_tell(fp);
if (offset != (Off_t) -1 && st.st_size + append > offset) {
(void) SvGROW(sv, (STRLEN)((st.st_size - offset) + append + 1));
}
else
{
/*The big, slow, and stupid way. */
-
- /* Any stack-challenged places. */
-#if defined(EPOC)
- /* EPOC: need to work around SDK features. *
- * On WINS: MS VC5 generates calls to _chkstk, *
- * if a "large" stack frame is allocated. *
- * gcc on MARM does not generate calls like these. */
-# define USEHEAPINSTEADOFSTACK
-#endif
-
-#ifdef USEHEAPINSTEADOFSTACK
+#ifdef USE_HEAP_INSTEAD_OF_STACK /* Even slower way. */
STDCHAR *buf = 0;
New(0, buf, 8192, STDCHAR);
assert(buf);
goto screamer2;
}
-#ifdef USEHEAPINSTEADOFSTACK
+#ifdef USE_HEAP_INSTEAD_OF_STACK
Safefree(buf);
#endif
}
}
/* oh,oh, the number grew */
SvGROW(sv, SvCUR(sv) + 2);
- SvCUR(sv)++;
+ SvCUR_set(sv, SvCUR(sv) + 1);
for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
*d = d[-1];
if (isDIGIT(d[1]))
SV *
Perl_sv_2mortal(pTHX_ register SV *sv)
{
+ dVAR;
if (!sv)
return sv;
if (SvREADONLY(sv) && SvIMMORTAL(sv))
PERL_HASH(hash, src, len);
new_SV(sv);
sv_upgrade(sv, SVt_PVIV);
- SvPVX(sv) = sharepvn(src, is_utf8?-len:len, hash);
- SvCUR(sv) = len;
+ SvPV_set(sv, sharepvn(src, is_utf8?-len:len, hash));
+ SvCUR_set(sv, len);
SvUV_set(sv, hash);
- SvLEN(sv) = 0;
+ SvLEN_set(sv, 0);
SvREADONLY_on(sv);
SvFAKE_on(sv);
SvPOK_on(sv);
new_SV(sv);
sv_upgrade(sv, SVt_RV);
SvTEMP_off(tmpRef);
- SvRV(sv) = tmpRef;
+ SvRV_set(sv, tmpRef);
SvROK_on(sv);
return sv;
}
void
Perl_sv_reset(pTHX_ register const char *s, HV *stash)
{
+ dVAR;
register HE *entry;
register GV *gv;
register SV *sv;
CV *
Perl_sv_2cv(pTHX_ SV *sv, HV **st, GV **gvp, I32 lref)
{
+ dVAR;
GV *gv = Nullgv;
CV *cv = Nullcv;
if (SvTYPE(rv) < SVt_RV)
sv_upgrade(rv, SVt_RV);
else if (SvTYPE(rv) > SVt_RV) {
- SvOOK_off(rv);
- if (SvPVX(rv) && SvLEN(rv))
- Safefree(SvPVX(rv));
+ SvPV_free(rv);
SvCUR_set(rv, 0);
SvLEN_set(rv, 0);
}
SvOK_off(rv);
- SvRV(rv) = sv;
+ SvRV_set(rv, sv);
SvROK_on(rv);
if (classname) {
if (SvTYPE(tmpRef) != SVt_PVIO)
++PL_sv_objcount;
(void)SvUPGRADE(tmpRef, SVt_PVMG);
- SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash);
+ SvSTASH_set(tmpRef, (HV*)SvREFCNT_inc(stash));
if (Gv_AMG(stash))
SvAMAGIC_on(sv);
if (SvWEAKREF(sv)) {
sv_del_backref(sv);
SvWEAKREF_off(sv);
- SvRV(sv) = 0;
+ SvRV_set(sv, NULL);
return;
}
- SvRV(sv) = 0;
+ SvRV_set(sv, NULL);
SvROK_off(sv);
/* You can't have a || SvREADONLY(rv) here, as $a = $$a, where $a was
assigned to as BEGIN {$a = \"Foo"} will fail. */
char *patend;
STRLEN origlen;
I32 svix = 0;
- static char nullstr[] = "(null)";
+ static const char nullstr[] = "(null)";
SV *argsv = Nullsv;
bool has_utf8; /* has the result utf8? */
bool pat_utf8; /* the pattern is in utf8? */
#endif
elen = strlen(eptr);
else {
- eptr = nullstr;
+ eptr = (char *)nullstr;
elen = sizeof nullstr - 1;
}
}
Copy(eptr, p, elen, char);
p += elen;
*p = '\0';
- SvCUR(sv) = p - SvPVX(sv);
+ SvCUR_set(sv, p - SvPVX(sv));
svix = osvix;
continue; /* not "break" */
}
if (has_utf8)
SvUTF8_on(sv);
*p = '\0';
- SvCUR(sv) = p - SvPVX(sv);
+ SvCUR_set(sv, p - SvPVX(sv));
if (vectorize) {
esignlen = 0;
goto vector;
REGEXP *
Perl_re_dup(pTHX_ REGEXP *r, CLONE_PARAMS *param)
{
+ dVAR;
REGEXP *ret;
int i, len, npar;
struct reg_substr_datum *s;
# define PTR_TABLE_HASH(ptr) (PTR2UV(ptr) >> 2)
#endif
+
+
+STATIC void
+S_more_pte(pTHX)
+{
+ struct ptr_tbl_ent* pte;
+ struct ptr_tbl_ent* pteend;
+ New(0, pte, PERL_ARENA_SIZE/sizeof(struct ptr_tbl_ent), struct ptr_tbl_ent);
+ pte->next = PL_pte_arenaroot;
+ PL_pte_arenaroot = pte;
+
+ pteend = &pte[PERL_ARENA_SIZE / sizeof(struct ptr_tbl_ent) - 1];
+ PL_pte_root = ++pte;
+ while (pte < pteend) {
+ pte->next = pte + 1;
+ pte++;
+ }
+ pte->next = 0;
+}
+
+STATIC struct ptr_tbl_ent*
+S_new_pte(pTHX)
+{
+ struct ptr_tbl_ent* pte;
+ if (!PL_pte_root)
+ S_more_pte(aTHX);
+ pte = PL_pte_root;
+ PL_pte_root = pte->next;
+ return pte;
+}
+
+STATIC void
+S_del_pte(pTHX_ struct ptr_tbl_ent*p)
+{
+ p->next = PL_pte_root;
+ PL_pte_root = p;
+}
+
/* map an existing pointer using a table */
void *
Perl_ptr_table_fetch(pTHX_ PTR_TBL_t *tbl, void *sv)
{
PTR_TBL_ENT_t *tblent;
- UV hash = PTR_TABLE_HASH(sv);
+ const UV hash = PTR_TABLE_HASH(sv);
assert(tbl);
tblent = tbl->tbl_ary[hash & tbl->tbl_max];
for (; tblent; tblent = tblent->next) {
/* XXX this may be pessimal on platforms where pointers aren't good
* hash values e.g. if they grow faster in the most significant
* bits */
- UV hash = PTR_TABLE_HASH(oldv);
+ const UV hash = PTR_TABLE_HASH(oldv);
bool empty = 1;
assert(tbl);
return;
}
}
- Newz(0, tblent, 1, PTR_TBL_ENT_t);
+ tblent = S_new_pte(aTHX);
tblent->oldval = oldv;
tblent->newval = newv;
tblent->next = *otblent;
Perl_ptr_table_split(pTHX_ PTR_TBL_t *tbl)
{
PTR_TBL_ENT_t **ary = tbl->tbl_ary;
- UV oldsize = tbl->tbl_max + 1;
+ const UV oldsize = tbl->tbl_max + 1;
UV newsize = oldsize * 2;
UV i;
{
register PTR_TBL_ENT_t **array;
register PTR_TBL_ENT_t *entry;
- register PTR_TBL_ENT_t *oentry = Null(PTR_TBL_ENT_t*);
UV riter = 0;
UV max;
for (;;) {
if (entry) {
- oentry = entry;
+ PTR_TBL_ENT_t *oentry = entry;
entry = entry->next;
- Safefree(oentry);
+ S_del_pte(aTHX_ oentry);
}
if (!entry) {
if (++riter > max) {
Safefree(tbl);
}
-#ifdef DEBUGGING
-char *PL_watch_pvx;
-#endif
-
/* attempt to make everything in the typeglob readonly */
STATIC SV *
Perl_rvpv_dup(pTHX_ SV *dstr, SV *sstr, CLONE_PARAMS* param)
{
if (SvROK(sstr)) {
- SvRV(dstr) = SvWEAKREF(sstr)
- ? sv_dup(SvRV(sstr), param)
- : sv_dup_inc(SvRV(sstr), param);
+ SvRV_set(dstr, SvWEAKREF(sstr)
+ ? sv_dup(SvRV(sstr), param)
+ : sv_dup_inc(SvRV(sstr), param));
+
}
else if (SvPVX(sstr)) {
/* Has something there */
if (SvLEN(sstr)) {
/* Normal PV - clone whole allocated space */
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1);
+ SvPV_set(dstr, SAVEPVN(SvPVX(sstr), SvLEN(sstr)-1));
if (SvREADONLY(sstr) && SvFAKE(sstr)) {
/* Not that normal - actually sstr is copy on write.
But we are a true, independant SV, so: */
and they should not have these flags
turned off */
- SvPVX(dstr) = sharepvn(SvPVX(sstr), SvCUR(sstr),
- SvUVX(sstr));
+ SvPV_set(dstr, sharepvn(SvPVX(sstr), SvCUR(sstr),
+ SvUVX(sstr)));
SvUV_set(dstr, SvUVX(sstr));
} else {
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvCUR(sstr));
+ SvPV_set(dstr, SAVEPVN(SvPVX(sstr), SvCUR(sstr)));
SvFAKE_off(dstr);
SvREADONLY_off(dstr);
}
}
else {
/* Some other special case - random pointer */
- SvPVX(dstr) = SvPVX(sstr);
+ SvPV_set(dstr, SvPVX(sstr));
}
}
}
else {
/* Copy the Null */
- SvPVX(dstr) = SvPVX(sstr);
+ if (SvTYPE(dstr) == SVt_RV)
+ SvRV_set(dstr, NULL);
+ else
+ SvPV_set(dstr, 0);
}
}
SV *
Perl_sv_dup(pTHX_ SV *sstr, CLONE_PARAMS* param)
{
+ dVAR;
SV *dstr;
if (!sstr || SvTYPE(sstr) == SVTYPEMASK)
PL_watch_pvx, SvPVX(sstr));
#endif
+ /* don't clone objects whose class has asked us not to */
+ if (SvOBJECT(sstr) && ! (SvFLAGS(SvSTASH(sstr)) & SVphv_CLONEABLE)) {
+ SvFLAGS(dstr) &= ~SVTYPEMASK;
+ SvOBJECT_off(dstr);
+ return dstr;
+ }
+
switch (SvTYPE(sstr)) {
case SVt_NULL:
SvANY(dstr) = NULL;
break;
case SVt_PV:
SvANY(dstr) = new_XPV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVIV:
SvANY(dstr) = new_XPVIV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVNV:
SvANY(dstr) = new_XPVNV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVMG:
SvANY(dstr) = new_XPVMG();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
break;
case SVt_PVBM:
SvANY(dstr) = new_XPVBM();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
BmRARE(dstr) = BmRARE(sstr);
BmUSEFUL(dstr) = BmUSEFUL(sstr);
break;
case SVt_PVLV:
SvANY(dstr) = new_XPVLV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
LvTARGOFF(dstr) = LvTARGOFF(sstr); /* XXX sometimes holds PMOP* when DEBUGGING */
LvTARGLEN(dstr) = LvTARGLEN(sstr);
}
}
SvANY(dstr) = new_XPVGV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
GvNAMELEN(dstr) = GvNAMELEN(sstr);
GvNAME(dstr) = SAVEPVN(GvNAME(sstr), GvNAMELEN(sstr));
break;
case SVt_PVIO:
SvANY(dstr) = new_XPVIO();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
IoIFP(dstr) = fp_dup(IoIFP(sstr), IoTYPE(sstr), param);
if (IoOFP(sstr) == IoIFP(sstr))
break;
case SVt_PVAV:
SvANY(dstr) = new_XPVAV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
AvARYLEN((AV*)dstr) = sv_dup_inc(AvARYLEN((AV*)sstr), param);
AvFLAGS((AV*)dstr) = AvFLAGS((AV*)sstr);
if (AvARRAY((AV*)sstr)) {
src_ary = AvARRAY((AV*)sstr);
Newz(0, dst_ary, AvMAX((AV*)sstr)+1, SV*);
ptr_table_store(PL_ptr_table, src_ary, dst_ary);
- SvPVX(dstr) = (char*)dst_ary;
+ SvPV_set(dstr, (char*)dst_ary);
AvALLOC((AV*)dstr) = dst_ary;
if (AvREAL((AV*)sstr)) {
while (items-- > 0)
}
}
else {
- SvPVX(dstr) = Nullch;
+ SvPV_set(dstr, Nullch);
AvALLOC((AV*)dstr) = (SV**)NULL;
}
break;
case SVt_PVHV:
SvANY(dstr) = new_XPVHV();
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
HvRITER((HV*)dstr) = HvRITER((HV*)sstr);
if (HvARRAY((HV*)sstr)) {
STRLEN i = 0;
(bool)!!HvSHAREKEYS(sstr), param);
}
else {
- SvPVX(dstr) = Nullch;
+ SvPV_set(dstr, Nullch);
HvEITER((HV*)dstr) = (HE*)NULL;
}
HvPMROOT((HV*)dstr) = HvPMROOT((HV*)sstr); /* XXX */
case SVt_PVCV:
SvANY(dstr) = new_XPVCV();
dup_pvcv:
- SvCUR(dstr) = SvCUR(sstr);
- SvLEN(dstr) = SvLEN(sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
SvIV_set(dstr, SvIVX(sstr));
SvNV_set(dstr, SvNVX(sstr));
- SvMAGIC(dstr) = mg_dup(SvMAGIC(sstr), param);
- SvSTASH(dstr) = hv_dup_inc(SvSTASH(sstr), param);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
CvSTASH(dstr) = hv_dup(CvSTASH(sstr), param); /* NOTE: not refcounted */
CvSTART(dstr) = CvSTART(sstr);
return nss;
}
+
+/* if sv is a stash, call $class->CLONE_SKIP(), and set the SVphv_CLONEABLE
+ * flag to the result. This is done for each stash before cloning starts,
+ * so we know which stashes want their objects cloned */
+
+static void
+do_mark_cloneable_stash(pTHX_ SV *sv)
+{
+ if (HvNAME((HV*)sv)) {
+ GV* cloner = gv_fetchmethod_autoload((HV*)sv, "CLONE_SKIP", 0);
+ SvFLAGS(sv) |= SVphv_CLONEABLE; /* clone objects by default */
+ if (cloner && GvCV(cloner)) {
+ dSP;
+ UV status;
+
+ ENTER;
+ SAVETMPS;
+ PUSHMARK(SP);
+ XPUSHs(sv_2mortal(newSVpv(HvNAME((HV*)sv), 0)));
+ PUTBACK;
+ call_sv((SV*)GvCV(cloner), G_SCALAR);
+ SPAGAIN;
+ status = POPu;
+ PUTBACK;
+ FREETMPS;
+ LEAVE;
+ if (status)
+ SvFLAGS(sv) &= ~SVphv_CLONEABLE;
+ }
+ }
+}
+
+
+
/*
=for apidoc perl_clone
PerlInterpreter *
perl_clone(PerlInterpreter *proto_perl, UV flags)
{
+ dVAR;
#ifdef PERL_IMPLICIT_SYS
/* perlhost.h so we need to call into it
CLONE_PARAMS* param = &clone_params;
PerlInterpreter *my_perl = (PerlInterpreter*)(*ipM->pMalloc)(ipM, sizeof(PerlInterpreter));
+ /* for each stash, determine whether its objects should be cloned */
+ S_visit(proto_perl, do_mark_cloneable_stash, SVt_PVHV, SVTYPEMASK);
PERL_SET_THX(my_perl);
# ifdef DEBUGGING
CLONE_PARAMS clone_params;
CLONE_PARAMS* param = &clone_params;
PerlInterpreter *my_perl = (PerlInterpreter*)PerlMem_malloc(sizeof(PerlInterpreter));
+ /* for each stash, determine whether its objects should be cloned */
+ S_visit(proto_perl, do_mark_cloneable_stash, SVt_PVHV, SVTYPEMASK);
PERL_SET_THX(my_perl);
-
-
# ifdef DEBUGGING
Poison(my_perl, 1, PerlInterpreter);
PL_op = Nullop;
PL_xpvhv_root = NULL;
PL_xpvmg_arenaroot = NULL;
PL_xpvmg_root = NULL;
+ PL_xpvgv_arenaroot = NULL;
+ PL_xpvgv_root = NULL;
PL_xpvlv_arenaroot = NULL;
PL_xpvlv_root = NULL;
PL_xpvbm_arenaroot = NULL;
PL_xpvbm_root = NULL;
PL_he_arenaroot = NULL;
PL_he_root = NULL;
+#if defined(USE_ITHREADS)
+ PL_pte_arenaroot = NULL;
+ PL_pte_root = NULL;
+#endif
PL_nice_chunk = NULL;
PL_nice_chunk_size = 0;
PL_sv_count = 0;
SvREFCNT(&PL_sv_no) = (~(U32)0)/2;
SvFLAGS(&PL_sv_no) = SVp_IOK|SVf_IOK|SVp_NOK|SVf_NOK
|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV;
- SvPVX(&PL_sv_no) = SAVEPVN(PL_No, 0);
- SvCUR(&PL_sv_no) = 0;
- SvLEN(&PL_sv_no) = 1;
+ SvPV_set(&PL_sv_no, SAVEPVN(PL_No, 0));
+ SvCUR_set(&PL_sv_no, 0);
+ SvLEN_set(&PL_sv_no, 1);
SvIV_set(&PL_sv_no, 0);
SvNV_set(&PL_sv_no, 0);
ptr_table_store(PL_ptr_table, &proto_perl->Isv_no, &PL_sv_no);
SvREFCNT(&PL_sv_yes) = (~(U32)0)/2;
SvFLAGS(&PL_sv_yes) = SVp_IOK|SVf_IOK|SVp_NOK|SVf_NOK
|SVp_POK|SVf_POK|SVf_READONLY|SVt_PVNV;
- SvPVX(&PL_sv_yes) = SAVEPVN(PL_Yes, 1);
- SvCUR(&PL_sv_yes) = 1;
- SvLEN(&PL_sv_yes) = 2;
+ SvPV_set(&PL_sv_yes, SAVEPVN(PL_Yes, 1));
+ SvCUR_set(&PL_sv_yes, 1);
+ SvLEN_set(&PL_sv_yes, 2);
SvIV_set(&PL_sv_yes, 1);
SvNV_set(&PL_sv_yes, 1);
ptr_table_store(PL_ptr_table, &proto_perl->Isv_yes, &PL_sv_yes);
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(HvNAME(stash), 0)));
+ XPUSHs(sv_2mortal(newSVpv(HvNAME(stash), 0)));
PUTBACK;
call_sv((SV*)GvCV(cloner), G_DISCARD);
FREETMPS;
char *
Perl_sv_recode_to_utf8(pTHX_ SV *sv, SV *encoding)
{
+ dVAR;
if (SvPOK(sv) && !SvUTF8(sv) && !IN_BYTES && SvROK(encoding)) {
SV *uni;
STRLEN len;
Perl_sv_cat_decode(pTHX_ SV *dsv, SV *encoding,
SV *ssv, int *offset, char *tstr, int tlen)
{
+ dVAR;
bool ret = FALSE;
if (SvPOK(ssv) && SvPOK(dsv) && SvROK(encoding) && offset) {
SV *offsv;
* indent-tabs-mode: t
* End:
*
- * vim: shiftwidth=4:
-*/
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */
https://perl5.git.perl.org / perl5.git / blobdiff