#define ASSERT_UTF8_CACHE(cache) NOOP
#endif
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
#define SV_COW_NEXT_SV(sv) INT2PTR(SV *,SvUVX(sv))
-#define SV_COW_NEXT_SV_SET(current,next) SvUVX(current) = PTR2UV(next)
+#define SV_COW_NEXT_SV_SET(current,next) SvUV_set(current, PTR2UV(next))
/* This is a pessimistic view. Scalar must be purely a read-write PV to copy-
on-write. */
#endif
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,PERL_ARENA_SIZE,char); /* Safefree() in sv_free_arenas() */
+ sv_add_arena(chunk, PERL_ARENA_SIZE, 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; \
{
if (DEBUG_D_TEST) {
SV* sva;
- SV* sv;
- SV* svend;
- int ok = 0;
+ bool ok = 0;
for (sva = PL_sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
- sv = sva + 1;
- svend = &sva[SvREFCNT(sva)];
- if (p >= sv && p < svend)
+ SV *sv = sva + 1;
+ SV *svend = &sva[SvREFCNT(sva)];
+ 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. */
S_visit(pTHX_ SVFUNC_t f, U32 flags, U32 mask)
{
SV* sva;
- SV* sv;
- register SV* svend;
I32 visited = 0;
for (sva = PL_sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
- svend = &sva[SvREFCNT(sva)];
+ register SV * const svend = &sva[SvREFCNT(sva)];
+ register SV* sv;
for (sv = sva + 1; sv < svend; ++sv) {
if (SvTYPE(sv) != SVTYPEMASK
&& (sv->sv_flags & mask) == flags
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);
}
}
{
SV* sva;
SV* svanext;
- XPV *arena, *arenanext;
+ void *arena, *arenanext;
/* Free arenas here, but be careful about fake ones. (We assume
contiguity of the fake ones with the corresponding real ones.) */
svanext = (SV*) SvANY(svanext);
if (!SvFAKE(sva))
- Safefree((void *)sva);
- }
-
- for (arena = PL_xiv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
- Safefree(arena);
+ Safefree(sva);
}
- PL_xiv_arenaroot = 0;
- PL_xiv_root = 0;
for (arena = PL_xnv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xnv_arenaroot = 0;
PL_xnv_root = 0;
- for (arena = PL_xrv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
- Safefree(arena);
- }
- PL_xrv_arenaroot = 0;
- PL_xrv_root = 0;
-
for (arena = PL_xpv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpv_arenaroot = 0;
PL_xpv_root = 0;
- for (arena = (XPV*)PL_xpviv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpviv_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpviv_arenaroot = 0;
PL_xpviv_root = 0;
- for (arena = (XPV*)PL_xpvnv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvnv_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpvnv_arenaroot = 0;
PL_xpvnv_root = 0;
- for (arena = (XPV*)PL_xpvcv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvcv_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpvcv_arenaroot = 0;
PL_xpvcv_root = 0;
- for (arena = (XPV*)PL_xpvav_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvav_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpvav_arenaroot = 0;
PL_xpvav_root = 0;
- for (arena = (XPV*)PL_xpvhv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvhv_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpvhv_arenaroot = 0;
PL_xpvhv_root = 0;
- for (arena = (XPV*)PL_xpvmg_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvmg_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpvmg_arenaroot = 0;
PL_xpvmg_root = 0;
- for (arena = (XPV*)PL_xpvlv_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvgv_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
+ Safefree(arena);
+ }
+ PL_xpvgv_arenaroot = 0;
+ PL_xpvgv_root = 0;
+
+ for (arena = PL_xpvlv_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
Safefree(arena);
}
PL_xpvlv_arenaroot = 0;
PL_xpvlv_root = 0;
- for (arena = (XPV*)PL_xpvbm_arenaroot; arena; arena = arenanext) {
- arenanext = (XPV*)arena->xpv_pv;
+ for (arena = PL_xpvbm_arenaroot; arena; arena = arenanext) {
+ arenanext = *(void **)arena;
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;
SV* keyname, I32 aindex, int subscript_type)
{
AV *av;
+ SV *sv;
- SV *sv, *name;
-
- name = sv_newmortal();
+ SV * const name = sv_newmortal();
if (gv) {
/* simulate gv_fullname4(), but add literal '^' for $^FOO names
sv_setpv(name, gvtype);
if (!hv)
p = "???";
- else if (!(p=HvNAME(hv)))
+ else if (!(p=HvNAME_get(hv)))
p = "__ANON__";
if (strNE(p, "main")) {
sv_catpv(name,p);
av = (AV*)(*av_fetch(CvPADLIST(cv), 0, FALSE));
sv = *av_fetch(av, targ, FALSE);
/* SvLEN in a pad name is not to be trusted */
- sv_setpv(name, SvPV_nolen(sv));
+ sv_setpv(name, SvPV_nolen_const(sv));
}
if (subscript_type == FUV_SUBSCRIPT_HASH) {
*SvPVX(name) = '$';
sv = NEWSV(0,0);
Perl_sv_catpvf(aTHX_ name, "{%s}",
- pv_display(sv,SvPVX(keyname), SvCUR(keyname), 0, 32));
+ pv_display(sv,SvPVX_const(keyname), SvCUR(keyname), 0, 32));
SvREFCNT_dec(sv);
}
else if (subscript_type == FUV_SUBSCRIPT_ARRAY) {
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)
: DEFSV))
{
sv = sv_newmortal();
- sv_setpv(sv, "$_");
+ sv_setpvn(sv, "$_", 2);
return sv;
}
}
sv_insert(varname, 0, 0, " ", 1);
}
Perl_warner(aTHX_ packWARN(WARN_UNINITIALIZED), PL_warn_uninit,
- varname ? SvPV_nolen(varname) : "",
+ varname ? SvPV_nolen_const(varname) : "",
" in ", OP_DESC(PL_op));
}
else
"", "", "");
}
-/* grab a new IV body from the free list, allocating more if necessary */
+/* allocate another arena's worth of NV bodies */
-STATIC XPVIV*
-S_new_xiv(pTHX)
+STATIC void
+S_more_xnv(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));
+ NV* xnv;
+ NV* xnvend;
+ void *ptr;
+ New(711, ptr, PERL_ARENA_SIZE/sizeof(NV), NV);
+ *((void **) ptr) = (void *)PL_xnv_arenaroot;
+ PL_xnv_arenaroot = ptr;
+
+ xnv = (NV*) ptr;
+ 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 = (NV*)(xnv + 1);
+ xnv++;
+ }
+ *(NV**)xnv = 0;
}
-/* return an IV body to the free list */
+/* allocate another arena's worth of struct xpv */
STATIC void
-S_del_xiv(pTHX_ XPVIV *p)
+S_more_xpv(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;
+ xpv_allocated* xpv;
+ xpv_allocated* xpvend;
+ New(713, xpv, PERL_ARENA_SIZE/sizeof(xpv_allocated), xpv_allocated);
+ *((xpv_allocated**)xpv) = PL_xpv_arenaroot;
+ PL_xpv_arenaroot = xpv;
+
+ xpvend = &xpv[PERL_ARENA_SIZE / sizeof(xpv_allocated) - 1];
+ PL_xpv_root = ++xpv;
+ while (xpv < xpvend) {
+ *((xpv_allocated**)xpv) = xpv + 1;
+ xpv++;
+ }
+ *((xpv_allocated**)xpv) = 0;
+}
+
+/* allocate another arena's worth of struct xpviv */
+
+STATIC void
+S_more_xpviv(pTHX)
+{
+ xpviv_allocated* xpviv;
+ xpviv_allocated* xpvivend;
+ New(713, xpviv, PERL_ARENA_SIZE/sizeof(xpviv_allocated), xpviv_allocated);
+ *((xpviv_allocated**)xpviv) = PL_xpviv_arenaroot;
+ PL_xpviv_arenaroot = xpviv;
+
+ xpvivend = &xpviv[PERL_ARENA_SIZE / sizeof(xpviv_allocated) - 1];
+ PL_xpviv_root = ++xpviv;
+ while (xpviv < xpvivend) {
+ *((xpviv_allocated**)xpviv) = xpviv + 1;
+ xpviv++;
+ }
+ *((xpviv_allocated**)xpviv) = 0;
}
-/* allocate another arena's worth of IV bodies */
+/* allocate another arena's worth of struct xpvnv */
STATIC void
-S_more_xiv(pTHX)
+S_more_xpvnv(pTHX)
{
- register IV* xiv;
- register IV* xivend;
- XPV* ptr;
- New(705, ptr, 1008/sizeof(XPV), XPV);
- ptr->xpv_pv = (char*)PL_xiv_arenaroot; /* linked list of xiv arenas */
- PL_xiv_arenaroot = ptr; /* to keep Purify happy */
+ XPVNV* xpvnv;
+ XPVNV* xpvnvend;
+ New(715, xpvnv, PERL_ARENA_SIZE/sizeof(XPVNV), XPVNV);
+ *((XPVNV**)xpvnv) = PL_xpvnv_arenaroot;
+ PL_xpvnv_arenaroot = xpvnv;
- xiv = (IV*) ptr;
- xivend = &xiv[1008 / sizeof(IV) - 1];
- xiv += (sizeof(XPV) - 1) / sizeof(IV) + 1; /* fudge by size of XPV */
- PL_xiv_root = xiv;
- while (xiv < xivend) {
- *(IV**)xiv = (IV *)(xiv + 1);
- xiv++;
+ xpvnvend = &xpvnv[PERL_ARENA_SIZE / sizeof(XPVNV) - 1];
+ PL_xpvnv_root = ++xpvnv;
+ while (xpvnv < xpvnvend) {
+ *((XPVNV**)xpvnv) = xpvnv + 1;
+ xpvnv++;
}
- *(IV**)xiv = 0;
+ *((XPVNV**)xpvnv) = 0;
}
-/* grab a new NV body from the free list, allocating more if necessary */
+/* allocate another arena's worth of struct xpvcv */
-STATIC XPVNV*
-S_new_xnv(pTHX)
+STATIC void
+S_more_xpvcv(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));
+ XPVCV* xpvcv;
+ XPVCV* xpvcvend;
+ New(716, xpvcv, PERL_ARENA_SIZE/sizeof(XPVCV), XPVCV);
+ *((XPVCV**)xpvcv) = PL_xpvcv_arenaroot;
+ PL_xpvcv_arenaroot = xpvcv;
+
+ xpvcvend = &xpvcv[PERL_ARENA_SIZE / sizeof(XPVCV) - 1];
+ PL_xpvcv_root = ++xpvcv;
+ while (xpvcv < xpvcvend) {
+ *((XPVCV**)xpvcv) = xpvcv + 1;
+ xpvcv++;
+ }
+ *((XPVCV**)xpvcv) = 0;
}
-/* return an NV body to the free list */
+/* allocate another arena's worth of struct xpvav */
STATIC void
-S_del_xnv(pTHX_ XPVNV *p)
+S_more_xpvav(pTHX)
{
- 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;
+ xpvav_allocated* xpvav;
+ xpvav_allocated* xpvavend;
+ New(717, xpvav, PERL_ARENA_SIZE/sizeof(xpvav_allocated),
+ xpvav_allocated);
+ *((xpvav_allocated**)xpvav) = PL_xpvav_arenaroot;
+ PL_xpvav_arenaroot = xpvav;
+
+ xpvavend = &xpvav[PERL_ARENA_SIZE / sizeof(xpvav_allocated) - 1];
+ PL_xpvav_root = ++xpvav;
+ while (xpvav < xpvavend) {
+ *((xpvav_allocated**)xpvav) = xpvav + 1;
+ xpvav++;
+ }
+ *((xpvav_allocated**)xpvav) = 0;
}
-/* allocate another arena's worth of NV bodies */
+/* allocate another arena's worth of struct xpvhv */
STATIC void
-S_more_xnv(pTHX)
+S_more_xpvhv(pTHX)
{
- register NV* xnv;
- register NV* xnvend;
- XPV *ptr;
- New(711, ptr, 1008/sizeof(XPV), XPV);
- ptr->xpv_pv = (char*)PL_xnv_arenaroot;
- PL_xnv_arenaroot = ptr;
+ xpvhv_allocated* xpvhv;
+ xpvhv_allocated* xpvhvend;
+ New(718, xpvhv, PERL_ARENA_SIZE/sizeof(xpvhv_allocated),
+ xpvhv_allocated);
+ *((xpvhv_allocated**)xpvhv) = PL_xpvhv_arenaroot;
+ PL_xpvhv_arenaroot = xpvhv;
- xnv = (NV*) ptr;
- xnvend = &xnv[1008 / sizeof(NV) - 1];
- xnv += (sizeof(XPVIV) - 1) / sizeof(NV) + 1; /* fudge by sizeof XPVIV */
- PL_xnv_root = xnv;
- while (xnv < xnvend) {
- *(NV**)xnv = (NV*)(xnv + 1);
- xnv++;
+ xpvhvend = &xpvhv[PERL_ARENA_SIZE / sizeof(xpvhv_allocated) - 1];
+ PL_xpvhv_root = ++xpvhv;
+ while (xpvhv < xpvhvend) {
+ *((xpvhv_allocated**)xpvhv) = xpvhv + 1;
+ xpvhv++;
}
- *(NV**)xnv = 0;
+ *((xpvhv_allocated**)xpvhv) = 0;
}
-/* grab a new struct xrv from the free list, allocating more if necessary */
+/* allocate another arena's worth of struct xpvmg */
-STATIC XRV*
-S_new_xrv(pTHX)
+STATIC void
+S_more_xpvmg(pTHX)
{
- XRV* xrv;
- LOCK_SV_MUTEX;
- if (!PL_xrv_root)
- more_xrv();
- xrv = PL_xrv_root;
- PL_xrv_root = (XRV*)xrv->xrv_rv;
- UNLOCK_SV_MUTEX;
- return xrv;
+ XPVMG* xpvmg;
+ XPVMG* xpvmgend;
+ New(719, xpvmg, PERL_ARENA_SIZE/sizeof(XPVMG), XPVMG);
+ *((XPVMG**)xpvmg) = PL_xpvmg_arenaroot;
+ PL_xpvmg_arenaroot = xpvmg;
+
+ xpvmgend = &xpvmg[PERL_ARENA_SIZE / sizeof(XPVMG) - 1];
+ PL_xpvmg_root = ++xpvmg;
+ while (xpvmg < xpvmgend) {
+ *((XPVMG**)xpvmg) = xpvmg + 1;
+ xpvmg++;
+ }
+ *((XPVMG**)xpvmg) = 0;
}
-/* return a struct xrv to the free list */
+/* allocate another arena's worth of struct xpvgv */
STATIC void
-S_del_xrv(pTHX_ XRV *p)
+S_more_xpvgv(pTHX)
{
- LOCK_SV_MUTEX;
- p->xrv_rv = (SV*)PL_xrv_root;
- PL_xrv_root = p;
- UNLOCK_SV_MUTEX;
+ XPVGV* xpvgv;
+ XPVGV* xpvgvend;
+ New(720, xpvgv, PERL_ARENA_SIZE/sizeof(XPVGV), XPVGV);
+ *((XPVGV**)xpvgv) = PL_xpvgv_arenaroot;
+ PL_xpvgv_arenaroot = xpvgv;
+
+ xpvgvend = &xpvgv[PERL_ARENA_SIZE / sizeof(XPVGV) - 1];
+ PL_xpvgv_root = ++xpvgv;
+ while (xpvgv < xpvgvend) {
+ *((XPVGV**)xpvgv) = xpvgv + 1;
+ xpvgv++;
+ }
+ *((XPVGV**)xpvgv) = 0;
}
-/* allocate another arena's worth of struct xrv */
+/* allocate another arena's worth of struct xpvlv */
STATIC void
-S_more_xrv(pTHX)
+S_more_xpvlv(pTHX)
{
- 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;
+ XPVLV* xpvlv;
+ XPVLV* xpvlvend;
+ New(720, xpvlv, PERL_ARENA_SIZE/sizeof(XPVLV), XPVLV);
+ *((XPVLV**)xpvlv) = PL_xpvlv_arenaroot;
+ PL_xpvlv_arenaroot = xpvlv;
- 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++;
+ xpvlvend = &xpvlv[PERL_ARENA_SIZE / sizeof(XPVLV) - 1];
+ PL_xpvlv_root = ++xpvlv;
+ while (xpvlv < xpvlvend) {
+ *((XPVLV**)xpvlv) = xpvlv + 1;
+ xpvlv++;
}
- xrv->xrv_rv = 0;
+ *((XPVLV**)xpvlv) = 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**)xpvbm) = PL_xpvbm_arenaroot;
+ PL_xpvbm_arenaroot = xpvbm;
+
+ xpvbmend = &xpvbm[PERL_ARENA_SIZE / sizeof(XPVBM) - 1];
+ PL_xpvbm_root = ++xpvbm;
+ while (xpvbm < xpvbmend) {
+ *((XPVBM**)xpvbm) = xpvbm + 1;
+ xpvbm++;
+ }
+ *((XPVBM**)xpvbm) = 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 */
STATIC XPV*
S_new_xpv(pTHX)
{
- XPV* xpv;
+ xpv_allocated* 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;
+ PL_xpv_root = *(xpv_allocated**)xpv;
UNLOCK_SV_MUTEX;
- return xpv;
+ /* If xpv_allocated is the same structure as XPV then the two OFFSETs
+ sum to zero, and the pointer is unchanged. If the allocated structure
+ is smaller (no initial IV actually allocated) then the net effect is
+ to subtract the size of the IV from the pointer, to return a new pointer
+ as if an initial IV were actually allocated. */
+ return (XPV*)((char*)xpv - STRUCT_OFFSET(XPV, xpv_cur)
+ + STRUCT_OFFSET(xpv_allocated, xpv_cur));
}
/* return a struct xpv to the free list */
STATIC void
S_del_xpv(pTHX_ XPV *p)
{
+ xpv_allocated* xpv
+ = (xpv_allocated*)((char*)(p) + STRUCT_OFFSET(XPV, xpv_cur)
+ - STRUCT_OFFSET(xpv_allocated, xpv_cur));
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpv_root;
- PL_xpv_root = p;
+ *(xpv_allocated**)xpv = PL_xpv_root;
+ PL_xpv_root = xpv;
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*
S_new_xpviv(pTHX)
{
- XPVIV* xpviv;
+ xpviv_allocated* 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;
+ PL_xpviv_root = *(xpviv_allocated**)xpviv;
UNLOCK_SV_MUTEX;
- return xpviv;
+ /* If xpviv_allocated is the same structure as XPVIV then the two OFFSETs
+ sum to zero, and the pointer is unchanged. If the allocated structure
+ is smaller (no initial IV actually allocated) then the net effect is
+ to subtract the size of the IV from the pointer, to return a new pointer
+ as if an initial IV were actually allocated. */
+ return (XPVIV*)((char*)xpviv - STRUCT_OFFSET(XPVIV, xpv_cur)
+ + STRUCT_OFFSET(xpviv_allocated, xpv_cur));
}
/* return a struct xpviv to the free list */
STATIC void
S_del_xpviv(pTHX_ XPVIV *p)
{
+ xpviv_allocated* xpviv
+ = (xpviv_allocated*)((char*)(p) + STRUCT_OFFSET(XPVIV, xpv_cur)
+ - STRUCT_OFFSET(xpviv_allocated, xpv_cur));
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpviv_root;
- PL_xpviv_root = p;
+ *(xpviv_allocated**)xpviv = PL_xpviv_root;
+ PL_xpviv_root = xpviv;
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;
+ PL_xpvnv_root = *(XPVNV**)xpvnv;
UNLOCK_SV_MUTEX;
return xpvnv;
}
S_del_xpvnv(pTHX_ XPVNV *p)
{
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpvnv_root;
+ *(XPVNV**)p = PL_xpvnv_root;
PL_xpvnv_root = p;
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;
+ PL_xpvcv_root = *(XPVCV**)xpvcv;
UNLOCK_SV_MUTEX;
return xpvcv;
}
S_del_xpvcv(pTHX_ XPVCV *p)
{
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpvcv_root;
+ *(XPVCV**)p = PL_xpvcv_root;
PL_xpvcv_root = p;
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*
S_new_xpvav(pTHX)
{
- XPVAV* xpvav;
+ xpvav_allocated* 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;
+ PL_xpvav_root = *(xpvav_allocated**)xpvav;
UNLOCK_SV_MUTEX;
- return xpvav;
+ return (XPVAV*)((char*)xpvav - STRUCT_OFFSET(XPVAV, xav_fill)
+ + STRUCT_OFFSET(xpvav_allocated, xav_fill));
}
/* return a struct xpvav to the free list */
STATIC void
S_del_xpvav(pTHX_ XPVAV *p)
{
+ xpvav_allocated* xpvav
+ = (xpvav_allocated*)((char*)(p) + STRUCT_OFFSET(XPVAV, xav_fill)
+ - STRUCT_OFFSET(xpvav_allocated, xav_fill));
LOCK_SV_MUTEX;
- p->xav_array = (char*)PL_xpvav_root;
- PL_xpvav_root = p;
+ *(xpvav_allocated**)xpvav = PL_xpvav_root;
+ PL_xpvav_root = xpvav;
UNLOCK_SV_MUTEX;
}
-/* allocate another arena's worth of struct xpvav */
-
-STATIC void
-S_more_xpvav(pTHX)
-{
- 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;
-}
-
/* grab a new struct xpvhv from the free list, allocating more if necessary */
STATIC XPVHV*
S_new_xpvhv(pTHX)
{
- XPVHV* xpvhv;
+ xpvhv_allocated* 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;
+ PL_xpvhv_root = *(xpvhv_allocated**)xpvhv;
UNLOCK_SV_MUTEX;
- return xpvhv;
+ return (XPVHV*)((char*)xpvhv - STRUCT_OFFSET(XPVHV, xhv_fill)
+ + STRUCT_OFFSET(xpvhv_allocated, xhv_fill));
}
/* return a struct xpvhv to the free list */
STATIC void
S_del_xpvhv(pTHX_ XPVHV *p)
{
+ xpvhv_allocated* xpvhv
+ = (xpvhv_allocated*)((char*)(p) + STRUCT_OFFSET(XPVHV, xhv_fill)
+ - STRUCT_OFFSET(xpvhv_allocated, xhv_fill));
LOCK_SV_MUTEX;
- p->xhv_array = (char*)PL_xpvhv_root;
- PL_xpvhv_root = p;
+ *(xpvhv_allocated**)xpvhv = PL_xpvhv_root;
+ PL_xpvhv_root = xpvhv;
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;
+ PL_xpvmg_root = *(XPVMG**)xpvmg;
UNLOCK_SV_MUTEX;
return xpvmg;
}
S_del_xpvmg(pTHX_ XPVMG *p)
{
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpvmg_root;
+ *(XPVMG**)p = PL_xpvmg_root;
PL_xpvmg_root = p;
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;
+ 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;
+ *(XPVGV**)p = 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;
+ PL_xpvlv_root = *(XPVLV**)xpvlv;
UNLOCK_SV_MUTEX;
return xpvlv;
}
S_del_xpvlv(pTHX_ XPVLV *p)
{
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpvlv_root;
+ *(XPVLV**)p = PL_xpvlv_root;
PL_xpvlv_root = p;
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;
+ PL_xpvbm_root = *(XPVBM**)xpvbm;
UNLOCK_SV_MUTEX;
return xpvbm;
}
S_del_xpvbm(pTHX_ XPVBM *p)
{
LOCK_SV_MUTEX;
- p->xpv_pv = (char*)PL_xpvbm_root;
+ *(XPVBM**)p = PL_xpvbm_root;
PL_xpvbm_root = p;
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)
#ifdef PURIFY
-#define new_XIV() my_safemalloc(sizeof(XPVIV))
-#define del_XIV(p) my_safefree(p)
-
#define new_XNV() my_safemalloc(sizeof(XPVNV))
#define del_XNV(p) my_safefree(p)
-#define new_XRV() my_safemalloc(sizeof(XRV))
-#define del_XRV(p) my_safefree(p)
-
#define new_XPV() my_safemalloc(sizeof(XPV))
#define del_XPV(p) my_safefree(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)
#else /* !PURIFY */
-#define new_XIV() (void*)new_xiv()
-#define del_XIV(p) del_xiv((XPVIV*) p)
-
#define new_XNV() (void*)new_xnv()
#define del_XNV(p) del_xnv((XPVNV*) p)
-#define new_XRV() (void*)new_xrv()
-#define del_XRV(p) del_xrv((XRV*) p)
-
#define new_XPV() (void*)new_xpv()
#define del_XPV(p) del_xpv((XPV *)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)
=cut
*/
-bool
+void
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;
+ return;
- 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);
+ pv = SvPVX_mutable(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;
mt = SVt_PVNV;
break;
case SVt_PVIV:
- pv = SvPVX(sv);
+ pv = SvPVX_mutable(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
iv = SvIVX(sv);
- nv = 0.0;
- magic = 0;
- stash = 0;
del_XPVIV(SvANY(sv));
break;
case SVt_PVNV:
- pv = SvPVX(sv);
+ pv = SvPVX_mutable(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
iv = SvIVX(sv);
nv = SvNVX(sv);
- magic = 0;
- stash = 0;
del_XPVNV(SvANY(sv));
break;
case SVt_PVMG:
- pv = SvPVX(sv);
+ /* 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);
+ /* This flag bit is used to mean other things in other scalar types.
+ Given that it only has meaning inside the pad, it shouldn't be set
+ on anything that can get upgraded. */
+ assert((SvFLAGS(sv) & SVpad_TYPED) == 0);
+ pv = SvPVX_mutable(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
iv = SvIVX(sv);
case SVt_NULL:
Perl_croak(aTHX_ "Can't upgrade to undef");
case SVt_IV:
- SvANY(sv) = new_XIV();
+ SvANY(sv) = (XPVIV*)((char*)&(sv->sv_u.svu_iv) - STRUCT_OFFSET(XPVIV, xiv_iv));
SvIV_set(sv, iv);
break;
case SVt_NV:
SvNV_set(sv, nv);
break;
case SVt_RV:
- SvANY(sv) = new_XRV();
- SvRV(sv) = (SV*)pv;
+ SvANY(sv) = &sv->sv_u.svu_rv;
+ SvRV_set(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;
+ case SVt_PVHV:
+ SvANY(sv) = new_XPVHV();
+ HvFILL(sv) = 0;
+ HvMAX(sv) = 0;
+ HvTOTALKEYS(sv) = 0;
+
+ /* Fall through... */
+ if (0) {
+ case SVt_PVAV:
+ SvANY(sv) = new_XPVAV();
+ AvMAX(sv) = -1;
+ AvFILLp(sv) = -1;
+ AvALLOC(sv) = 0;
+ AvREAL_only(sv);
+ }
+ /* 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_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;
+
+ 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;
- 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;
- 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;
- break;
+ 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;
}
/*
Perl_sv_backoff(pTHX_ register SV *sv)
{
assert(SvOOK(sv));
+ assert(SvTYPE(sv) != SVt_PVHV);
+ assert(SvTYPE(sv) != SVt_PVAV);
if (SvIVX(sv)) {
- char *s = SvPVX(sv);
- SvLEN(sv) += SvIVX(sv);
- SvPVX(sv) -= SvIVX(sv);
+ const char *s = SvPVX_const(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);
}
sv_unref(sv);
if (SvTYPE(sv) < SVt_PV) {
sv_upgrade(sv, SVt_PV);
- s = SvPVX(sv);
+ s = SvPVX_mutable(sv);
}
else if (SvOOK(sv)) { /* pv is offset? */
sv_backoff(sv);
- s = SvPVX(sv);
+ s = SvPVX_mutable(sv);
if (newlen > SvLEN(sv))
newlen += 10 * (newlen - SvCUR(sv)); /* avoid copy each time */
#ifdef HAS_64K_LIMIT
#endif
}
else
- s = SvPVX(sv);
+ s = SvPVX_mutable(sv);
if (newlen > SvLEN(sv)) { /* need more room? */
+ newlen = PERL_STRLEN_ROUNDUP(newlen);
if (SvLEN(sv) && s) {
#ifdef MYMALLOC
- STRLEN l = malloced_size((void*)SvPVX(sv));
+ const STRLEN l = malloced_size((void*)SvPVX_const(sv));
if (newlen <= l) {
SvLEN_set(sv, l);
return s;
} else
#endif
- Renew(s,newlen,char);
+ s = saferealloc(s, newlen);
}
else {
- New(703, s, newlen, char);
- if (SvPVX(sv) && SvCUR(sv)) {
- Move(SvPVX(sv), s, (newlen < SvCUR(sv)) ? newlen : SvCUR(sv), char);
+ s = safemalloc(newlen);
+ if (SvPVX_const(sv) && SvCUR(sv)) {
+ Move(SvPVX_const(sv), s, (newlen < SvCUR(sv)) ? newlen : SvCUR(sv), char);
}
}
SvPV_set(sv, s);
}
sv_setiv(sv, 0);
SvIsUV_on(sv);
- SvUVX(sv) = u;
+ SvUV_set(sv, u);
}
/*
/* each *s can expand to 4 chars + "...\0",
i.e. need room for 8 chars */
- char *s, *end;
- for (s = SvPVX(sv), end = s + SvCUR(sv); s < end && d < limit; s++) {
+ const char *s, *end;
+ for (s = SvPVX_const(sv), end = s + SvCUR(sv); s < end && d < limit;
+ s++) {
int ch = *s & 0xFF;
if (ch & 128 && !isPRINT_LC(ch)) {
*d++ = 'M';
I32
Perl_looks_like_number(pTHX_ SV *sv)
{
- register char *sbegin;
+ register const char *sbegin;
STRLEN len;
if (SvPOK(sv)) {
- sbegin = SvPVX(sv);
+ sbegin = SvPVX_const(sv);
len = SvCUR(sv);
}
else if (SvPOKp(sv))
- sbegin = SvPV(sv, len);
+ sbegin = SvPV_const(sv, len);
else
return SvFLAGS(sv) & (SVf_NOK|SVp_NOK|SVf_IOK|SVp_IOK);
return grok_number(sbegin, len, NULL);
STATIC int
S_sv_2iuv_non_preserve(pTHX_ register SV *sv, I32 numtype)
{
- DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_2iuv_non '%s', IV=0x%"UVxf" NV=%"NVgf" inttype=%"UVXf"\n", SvPVX(sv), SvIVX(sv), SvNVX(sv), (UV)numtype));
+ DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_2iuv_non '%s', IV=0x%"UVxf" NV=%"NVgf" inttype=%"UVXf"\n", SvPVX_const(sv), SvIVX(sv), SvNVX(sv), (UV)numtype));
if (SvNVX(sv) < (NV)IV_MIN) {
(void)SvIOKp_on(sv);
(void)SvNOK_on(sv);
(void)SvIOKp_on(sv);
(void)SvNOK_on(sv);
SvIsUV_on(sv);
- SvUVX(sv) = UV_MAX;
+ SvUV_set(sv, UV_MAX);
return IS_NUMBER_OVERFLOW_UV;
}
(void)SvIOKp_on(sv);
return SvNVX(sv) < 0 ? IS_NUMBER_UNDERFLOW_UV : IS_NUMBER_IV_AND_UV;
}
SvIsUV_on(sv);
- SvUVX(sv) = U_V(SvNVX(sv));
+ SvUV_set(sv, U_V(SvNVX(sv)));
if ((NV)(SvUVX(sv)) == SvNVX(sv)) {
if (SvUVX(sv) == UV_MAX) {
/* As we know that NVs don't preserve UVs, UV_MAX cannot
0x8000000000000000 which will be exact. NWC */
}
else {
- SvUVX(sv) = U_V(SvNVX(sv));
+ SvUV_set(sv, U_V(SvNVX(sv)));
if (
(SvNVX(sv) == (NV) SvUVX(sv))
#ifndef NV_PRESERVES_UV
}
else if (SvPOKp(sv) && SvLEN(sv)) {
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX_const(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
if (value <= (UV)IV_MAX) {
SvIV_set(sv, (IV)value);
} else {
- SvUVX(sv) = value;
+ SvUV_set(sv, value);
SvIsUV_on(sv);
}
} else {
if ((numtype & (IS_NUMBER_IN_UV | IS_NUMBER_NOT_INT))
!= IS_NUMBER_IN_UV) {
/* It wasn't an (integer that doesn't overflow the UV). */
- SvNV_set(sv, Atof(SvPVX(sv)));
+ SvNV_set(sv, Atof(SvPVX_const(sv)));
if (! numtype && ckWARN(WARN_NUMERIC))
not_a_number(sv);
if (SvNVX(sv) > (NV)UV_MAX) {
SvIsUV_on(sv);
/* Integer is inaccurate. NOK, IOKp, is UV */
- SvUVX(sv) = UV_MAX;
+ SvUV_set(sv, UV_MAX);
SvIsUV_on(sv);
} else {
- SvUVX(sv) = U_V(SvNVX(sv));
+ SvUV_set(sv, U_V(SvNVX(sv)));
/* 0xFFFFFFFFFFFFFFFF not an issue in here */
if ((NV)(SvUVX(sv)) == SvNVX(sv)) {
SvIOK_on(sv);
0x8000000000000000 which will be exact. NWC */
}
else {
- SvUVX(sv) = U_V(SvNVX(sv));
+ SvUV_set(sv, U_V(SvNVX(sv)));
if (
(SvNVX(sv) == (NV) SvUVX(sv))
#ifndef NV_PRESERVES_UV
}
else if (SvPOKp(sv) && SvLEN(sv)) {
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX_const(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
SvIV_set(sv, (IV)value);
} else {
/* it didn't overflow, and it was positive. */
- SvUVX(sv) = value;
+ SvUV_set(sv, value);
SvIsUV_on(sv);
}
} else {
if ((numtype & (IS_NUMBER_IN_UV | IS_NUMBER_NOT_INT))
!= IS_NUMBER_IN_UV) {
/* It wasn't an integer, or it overflowed the UV. */
- SvNV_set(sv, Atof(SvPVX(sv)));
+ SvNV_set(sv, Atof(SvPVX_const(sv)));
if (! numtype && ckWARN(WARN_NUMERIC))
not_a_number(sv);
if (SvNVX(sv) > (NV)UV_MAX) {
SvIsUV_on(sv);
/* Integer is inaccurate. NOK, IOKp, is UV */
- SvUVX(sv) = UV_MAX;
+ SvUV_set(sv, UV_MAX);
SvIsUV_on(sv);
} else {
- SvUVX(sv) = U_V(SvNVX(sv));
+ SvUV_set(sv, U_V(SvNVX(sv)));
/* 0xFFFFFFFFFFFFFFFF not an issue in here, NVs
NV preservse UV so can do correct comparison. */
if ((NV)(SvUVX(sv)) == SvNVX(sv)) {
return SvNVX(sv);
if (SvPOKp(sv) && SvLEN(sv)) {
if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) &&
- !grok_number(SvPVX(sv), SvCUR(sv), NULL))
+ !grok_number(SvPVX_const(sv), SvCUR(sv), NULL))
not_a_number(sv);
- return Atof(SvPVX(sv));
+ return Atof(SvPVX_const(sv));
}
if (SvIOKp(sv)) {
if (SvIsUV(sv))
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
report_uninit(sv);
}
- return 0;
+ return (NV)0;
}
}
if (SvTHINKFIRST(sv)) {
}
else if (SvPOKp(sv) && SvLEN(sv)) {
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), &value);
if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !numtype)
not_a_number(sv);
#ifdef NV_PRESERVES_UV
/* It's definitely an integer */
SvNV_set(sv, (numtype & IS_NUMBER_NEG) ? -(NV)value : (NV)value);
} else
- SvNV_set(sv, Atof(SvPVX(sv)));
+ SvNV_set(sv, Atof(SvPVX_const(sv)));
SvNOK_on(sv);
#else
- SvNV_set(sv, Atof(SvPVX(sv)));
+ SvNV_set(sv, Atof(SvPVX_const(sv)));
/* Only set the public NV OK flag if this NV preserves the value in
the PV at least as well as an IV/UV would.
Not sure how to do this 100% reliably. */
} else if (value <= (UV)IV_MAX) {
SvIV_set(sv, (IV)value);
} else {
- SvUVX(sv) = value;
+ SvUV_set(sv, value);
SvIsUV_on(sv);
}
flags. NWC, 2000/11/25 */
/* Both already have p flags, so do nothing */
} else {
- NV nv = SvNVX(sv);
+ const NV nv = SvNVX(sv);
if (SvNVX(sv) < (NV)IV_MAX + 0.5) {
if (SvIVX(sv) == I_V(nv)) {
SvNOK_on(sv);
if (numtype & IS_NUMBER_NOT_INT) {
/* UV and NV both imprecise. */
} else {
- UV nv_as_uv = U_V(nv);
+ const UV nv_as_uv = U_V(nv);
if (value == nv_as_uv && SvUVX(sv) != UV_MAX) {
SvNOK_on(sv);
S_asIV(pTHX_ SV *sv)
{
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), &value);
if ((numtype & (IS_NUMBER_IN_UV | IS_NUMBER_NOT_INT))
== IS_NUMBER_IN_UV) {
if (ckWARN(WARN_NUMERIC))
not_a_number(sv);
}
- return I_V(Atof(SvPVX(sv)));
+ return I_V(Atof(SvPVX_const(sv)));
}
/* asUV(): extract an unsigned integer from the string value of an SV
S_asUV(pTHX_ SV *sv)
{
UV value;
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), &value);
+ const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), &value);
if ((numtype & (IS_NUMBER_IN_UV | IS_NUMBER_NOT_INT))
== IS_NUMBER_IN_UV) {
if (ckWARN(WARN_NUMERIC))
not_a_number(sv);
}
- return U_V(Atof(SvPVX(sv)));
+ return U_V(Atof(SvPVX_const(sv)));
}
/*
char *
Perl_sv_2pv_nolen(pTHX_ register SV *sv)
{
- STRLEN n_a;
- return sv_2pv(sv, &n_a);
+ return sv_2pv(sv, 0);
}
/* uiv_2buf(): private routine for use by sv_2pv_flags(): print an IV or
char *tmpbuf = tbuf;
if (!sv) {
- *lp = 0;
+ if (lp)
+ *lp = 0;
return (char *)"";
}
if (SvGMAGICAL(sv)) {
if (flags & SV_GMAGIC)
mg_get(sv);
if (SvPOKp(sv)) {
- *lp = SvCUR(sv);
+ if (lp)
+ *lp = SvCUR(sv);
+ if (flags & SV_MUTABLE_RETURN)
+ return SvPVX_mutable(sv);
+ if (flags & SV_CONST_RETURN)
+ return (char *)SvPVX_const(sv);
return SvPVX(sv);
}
if (SvIOKp(sv)) {
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
report_uninit(sv);
}
- *lp = 0;
+ if (lp)
+ *lp = 0;
return (char *)"";
}
}
register const char *typestr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)) &&
(!SvROK(tmpstr) || (SvRV(tmpstr) != SvRV(sv)))) {
- char *pv = SvPV(tmpstr, *lp);
+ /* Unwrap this: */
+ /* char *pv = lp ? SvPV(tmpstr, *lp) : SvPV_nolen(tmpstr); */
+
+ char *pv;
+ if ((SvFLAGS(tmpstr) & (SVf_POK)) == SVf_POK) {
+ if (flags & SV_CONST_RETURN) {
+ pv = (char *) SvPVX_const(tmpstr);
+ } else {
+ pv = (flags & SV_MUTABLE_RETURN)
+ ? SvPVX_mutable(tmpstr) : SvPVX(tmpstr);
+ }
+ if (lp)
+ *lp = SvCUR(tmpstr);
+ } else {
+ pv = sv_2pv_flags(tmpstr, lp, flags);
+ }
if (SvUTF8(tmpstr))
SvUTF8_on(sv);
else
SvUTF8_on(origsv);
else
SvUTF8_off(origsv);
- *lp = mg->mg_len;
+ if (lp)
+ *lp = mg->mg_len;
return mg->mg_ptr;
}
/* Fall through */
}
tsv = NEWSV(0,0);
if (SvOBJECT(sv)) {
- const char *name = HvNAME(SvSTASH(sv));
+ const char *name = HvNAME_get(SvSTASH(sv));
Perl_sv_setpvf(aTHX_ tsv, "%s=%s(0x%"UVxf")",
name ? name : "__ANON__" , typestr, PTR2UV(sv));
}
Perl_sv_setpvf(aTHX_ tsv, "%s(0x%"UVxf")", typestr, PTR2UV(sv));
goto tokensaveref;
}
- *lp = strlen(typestr);
+ if (lp)
+ *lp = strlen(typestr);
return (char *)typestr;
}
if (SvREADONLY(sv) && !SvOK(sv)) {
if (ckWARN(WARN_UNINITIALIZED))
report_uninit(sv);
- *lp = 0;
+ if (lp)
+ *lp = 0;
return (char *)"";
}
}
ptr = uiv_2buf(buf, 0, SvUVX(sv), 1, &ebuf);
else
ptr = uiv_2buf(buf, SvIVX(sv), 0, 0, &ebuf);
- SvGROW(sv, (STRLEN)(ebuf - ptr + 1)); /* inlined from sv_setpvn */
- Move(ptr,SvPVX(sv),ebuf - ptr,char);
+ /* inlined from sv_setpvn */
+ SvGROW_mutable(sv, (STRLEN)(ebuf - ptr + 1));
+ Move(ptr,SvPVX_mutable(sv),ebuf - ptr,char);
SvCUR_set(sv, ebuf - ptr);
s = SvEND(sv);
*s = '\0';
if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
/* The +20 is pure guesswork. Configure test needed. --jhi */
- SvGROW(sv, NV_DIG + 20);
- s = SvPVX(sv);
+ s = SvGROW_mutable(sv, NV_DIG + 20);
olderrno = errno; /* some Xenix systems wipe out errno here */
#ifdef apollo
if (SvNVX(sv) == 0.0)
if (ckWARN(WARN_UNINITIALIZED)
&& !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP))
report_uninit(sv);
+ if (lp)
*lp = 0;
if (SvTYPE(sv) < SVt_PV)
/* Typically the caller expects that sv_any is not NULL now. */
sv_upgrade(sv, SVt_PV);
return (char *)"";
}
- *lp = s - SvPVX(sv);
- SvCUR_set(sv, *lp);
+ {
+ STRLEN len = s - SvPVX_const(sv);
+ if (lp)
+ *lp = len;
+ SvCUR_set(sv, len);
+ }
SvPOK_on(sv);
DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2pv(%s)\n",
- PTR2UV(sv),SvPVX(sv)));
+ PTR2UV(sv),SvPVX_const(sv)));
+ if (flags & SV_CONST_RETURN)
+ return (char *)SvPVX_const(sv);
+ if (flags & SV_MUTABLE_RETURN)
+ return SvPVX_mutable(sv);
return SvPVX(sv);
tokensave:
if (!tsv)
tsv = newSVpv(tmpbuf, 0);
sv_2mortal(tsv);
- *lp = SvCUR(tsv);
+ if (lp)
+ *lp = SvCUR(tsv);
return SvPVX(tsv);
}
else {
+ dVAR;
STRLEN len;
const char *t;
if (tsv) {
sv_2mortal(tsv);
- t = SvPVX(tsv);
+ t = SvPVX_const(tsv);
len = SvCUR(tsv);
}
else {
len = 1;
}
#endif
- (void)SvUPGRADE(sv, SVt_PV);
- *lp = len;
- s = SvGROW(sv, len + 1);
+ SvUPGRADE(sv, SVt_PV);
+ if (lp)
+ *lp = len;
+ s = SvGROW_mutable(sv, len + 1);
SvCUR_set(sv, len);
SvPOKp_on(sv);
return strcpy(s, t);
Perl_sv_copypv(pTHX_ SV *dsv, register SV *ssv)
{
STRLEN len;
- char *s;
- s = SvPV(ssv,len);
+ const char *s;
+ s = SvPV_const(ssv,len);
sv_setpvn(dsv,s,len);
if (SvUTF8(ssv))
SvUTF8_on(dsv);
char *
Perl_sv_2pvbyte_nolen(pTHX_ register SV *sv)
{
- STRLEN n_a;
- return sv_2pvbyte(sv, &n_a);
+ return sv_2pvbyte(sv, 0);
}
/*
char *
Perl_sv_2pvutf8_nolen(pTHX_ register SV *sv)
{
- STRLEN n_a;
- return sv_2pvutf8(sv, &n_a);
+ return sv_2pvutf8(sv, 0);
}
/*
if (SvPOKp(sv)) {
register XPV* Xpvtmp;
if ((Xpvtmp = (XPV*)SvANY(sv)) &&
- (*Xpvtmp->xpv_pv > '0' ||
+ (*sv->sv_u.svu_pv > '0' ||
Xpvtmp->xpv_cur > 1 ||
- (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0')))
+ (Xpvtmp->xpv_cur && *sv->sv_u.svu_pv != '0')))
return 1;
else
return 0;
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. */
+ const U8 *s = (U8 *) SvPVX_const(sv);
+ const U8 *e = (U8 *) SvEND(sv);
+ const 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 */
+ char *recoded = bytes_to_utf8((U8*)s, &len);
+
+ SvPV_free(sv); /* No longer using what was there before. */
+
+ SvPV_set(sv, recoded);
+ 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);
Perl_sv_utf8_decode(pTHX_ register SV *sv)
{
if (SvPOKp(sv)) {
- U8 *c;
- U8 *e;
+ const U8 *c;
+ const U8 *e;
/* The octets may have got themselves encoded - get them back as
* bytes
/* it is actually just a matter of turning the utf8 flag on, but
* we want to make sure everything inside is valid utf8 first.
*/
- c = (U8 *) SvPVX(sv);
+ c = (const U8 *) SvPVX_const(sv);
if (!is_utf8_string(c, SvCUR(sv)+1))
return FALSE;
- e = (U8 *) SvEND(sv);
+ e = (const U8 *) SvEND(sv);
while (c < e) {
U8 ch = *c++;
if (!UTF8_IS_INVARIANT(ch)) {
}
break;
case SVt_PVFM:
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
if ((SvFLAGS(sstr) & CAN_COW_MASK) == CAN_COW_FLAGS) {
if (dtype < SVt_PVIV)
sv_upgrade(dstr, SVt_PVIV);
case SVt_PVHV:
case SVt_PVCV:
case SVt_PVIO:
+ {
+ const char * const type = sv_reftype(sstr,0);
if (PL_op)
- Perl_croak(aTHX_ "Bizarre copy of %s in %s", sv_reftype(sstr, 0),
- OP_NAME(PL_op));
+ Perl_croak(aTHX_ "Bizarre copy of %s in %s", type, OP_NAME(PL_op));
else
- Perl_croak(aTHX_ "Bizarre copy of %s", sv_reftype(sstr, 0));
+ Perl_croak(aTHX_ "Bizarre copy of %s", type);
+ }
break;
case SVt_PVGV:
if (dtype <= SVt_PVGV) {
glob_assign:
if (dtype != SVt_PVGV) {
- char *name = GvNAME(sstr);
- STRLEN len = GvNAMELEN(sstr);
+ const char * const name = GvNAME(sstr);
+ const STRLEN len = GvNAMELEN(sstr);
/* don't upgrade SVt_PVLV: it can hold a glob */
if (dtype != SVt_PVLV)
sv_upgrade(dstr, SVt_PVGV);
}
}
if (stype == SVt_PVLV)
- (void)SvUPGRADE(dstr, SVt_PVNV);
+ SvUPGRADE(dstr, SVt_PVNV);
else
- (void)SvUPGRADE(dstr, (U32)stype);
+ SvUPGRADE(dstr, (U32)stype);
}
sflags = SvFLAGS(sstr);
if (dtype == SVt_PVGV) {
SV *sref = SvREFCNT_inc(SvRV(sstr));
SV *dref = 0;
- int intro = GvINTRO(dstr);
+ const int intro = GvINTRO(dstr);
#ifdef GV_UNIQUE_CHECK
if (GvUNIQUE((GV*)dstr)) {
CvCONST(cv)
? "Constant subroutine %s::%s redefined"
: "Subroutine %s::%s redefined",
- HvNAME(GvSTASH((GV*)dstr)),
+ HvNAME_get(GvSTASH((GV*)dstr)),
GvENAME((GV*)dstr));
}
}
if (!intro)
cv_ckproto(cv, (GV*)dstr,
- SvPOK(sref) ? SvPVX(sref) : Nullch);
+ SvPOK(sref)
+ ? SvPVX_const(sref) : Nullch);
}
GvCV(dstr) = (CV*)sref;
GvCVGEN(dstr) = 0; /* Switch off cacheness. */
SvTAINT(dstr);
return;
}
- if (SvPVX(dstr)) {
- (void)SvOOK_off(dstr); /* backoff */
- if (SvLEN(dstr))
- Safefree(SvPVX(dstr));
- SvLEN(dstr)=SvCUR(dstr)=0;
+ if (SvPVX_const(dstr)) {
+ 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);
/*
* Check to see if we can just swipe the string. If so, it's a
* possible small lose on short strings, but a big win on long ones.
- * It might even be a win on short strings if SvPVX(dstr)
- * has to be allocated and SvPVX(sstr) has to be freed.
+ * It might even be a win on short strings if SvPVX_const(dstr)
+ * has to be allocated and SvPVX_const(sstr) has to be freed.
*/
/* Whichever path we take through the next code, we want this true,
(void)SvPOK_only(dstr);
if (
-#ifdef PERL_COPY_ON_WRITE
- (sflags & (SVf_FAKE | SVf_READONLY)) != (SVf_FAKE | SVf_READONLY)
- &&
+ /* We're not already COW */
+ ((sflags & (SVf_FAKE | SVf_READONLY)) != (SVf_FAKE | SVf_READONLY)
+#ifndef PERL_OLD_COPY_ON_WRITE
+ /* or we are, but dstr isn't a suitable target. */
+ || (SvFLAGS(dstr) & CAN_COW_MASK) != CAN_COW_FLAGS
#endif
+ )
+ &&
!(isSwipe =
(sflags & SVs_TEMP) && /* slated for free anyway? */
!(sflags & SVf_OOK) && /* and not involved in OOK hack? */
SvLEN(sstr) && /* and really is a string */
/* and won't be needed again, potentially */
!(PL_op && PL_op->op_type == OP_AASSIGN))
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
&& !((sflags & CAN_COW_MASK) == CAN_COW_FLAGS
&& (SvFLAGS(dstr) & CAN_COW_MASK) == CAN_COW_FLAGS
&& SvTYPE(sstr) >= SVt_PVIV)
Have to copy the string. */
STRLEN len = SvCUR(sstr);
SvGROW(dstr, len + 1); /* inlined from sv_setpvn */
- Move(SvPVX(sstr),SvPVX(dstr),len,char);
+ Move(SvPVX_const(sstr),SvPVX(dstr),len,char);
SvCUR_set(dstr, len);
*SvEND(dstr) = '\0';
} else {
- /* If PERL_COPY_ON_WRITE is not defined, then isSwipe will always
+ /* If PERL_OLD_COPY_ON_WRITE is not defined, then isSwipe will always
be true in here. */
-#ifdef PERL_COPY_ON_WRITE
/* Either it's a shared hash key, or it's suitable for
copy-on-write or we can swipe the string. */
if (DEBUG_C_TEST) {
sv_dump(sstr);
sv_dump(dstr);
}
+#ifdef PERL_OLD_COPY_ON_WRITE
if (!isSwipe) {
/* I believe I should acquire a global SV mutex if
it's a COW sv (not a shared hash key) to stop
}
#endif
/* Initial code is common. */
- if (SvPVX(dstr)) { /* we know that dtype >= SVt_PV */
+ if (SvPVX_const(dstr)) { /* we know that dtype >= SVt_PV */
if (SvOOK(dstr)) {
SvFLAGS(dstr) &= ~SVf_OOK;
- Safefree(SvPVX(dstr) - SvIVX(dstr));
+ Safefree(SvPVX_const(dstr) - SvIVX(dstr));
}
else if (SvLEN(dstr))
- Safefree(SvPVX(dstr));
+ Safefree(SvPVX_const(dstr));
}
-#ifdef PERL_COPY_ON_WRITE
if (!isSwipe) {
/* making another shared SV. */
STRLEN cur = SvCUR(sstr);
STRLEN len = SvLEN(sstr);
- assert (SvTYPE(dstr) >= SVt_PVIV);
+#ifdef PERL_OLD_COPY_ON_WRITE
if (len) {
+ assert (SvTYPE(dstr) >= SVt_PVIV);
/* SvIsCOW_normal */
/* splice us in between source and next-after-source. */
SV_COW_NEXT_SV_SET(dstr, SV_COW_NEXT_SV(sstr));
SV_COW_NEXT_SV_SET(sstr, dstr);
- SvPV_set(dstr, SvPVX(sstr));
- } else {
+ SvPV_set(dstr, SvPVX_mutable(sstr));
+ } else
+#endif
+ {
/* SvIsCOW_shared_hash */
- UV hash = SvUVX(sstr);
DEBUG_C(PerlIO_printf(Perl_debug_log,
"Copy on write: Sharing hash\n"));
+
+ assert (SvTYPE(dstr) >= SVt_PV);
SvPV_set(dstr,
- sharepvn(SvPVX(sstr),
- (sflags & SVf_UTF8?-cur:cur), hash));
- SvUVX(dstr) = hash;
- }
- SvLEN(dstr) = len;
- SvCUR(dstr) = cur;
+ HEK_KEY(share_hek_hek(SvSHARED_HEK_FROM_PV(SvPVX_const(sstr)))));
+ }
+ SvLEN_set(dstr, len);
+ SvCUR_set(dstr, cur);
SvREADONLY_on(dstr);
SvFAKE_on(dstr);
/* Relesase a global SV mutex. */
}
else
-#endif
{ /* Passes the swipe test. */
- SvPV_set(dstr, SvPVX(sstr));
+ SvPV_set(dstr, SvPVX_mutable(sstr));
SvLEN_set(dstr, SvLEN(sstr));
SvCUR_set(dstr, SvCUR(sstr));
SvSETMAGIC(dstr);
}
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
SV *
Perl_sv_setsv_cow(pTHX_ SV *dstr, SV *sstr)
{
if (dstr) {
if (SvTHINKFIRST(dstr))
sv_force_normal_flags(dstr, SV_COW_DROP_PV);
- else if (SvPVX(dstr))
- Safefree(SvPVX(dstr));
+ else if (SvPVX_const(dstr))
+ Safefree(SvPVX_const(dstr));
}
else
new_SV(dstr);
- (void)SvUPGRADE (dstr, SVt_PVIV);
+ SvUPGRADE(dstr, SVt_PVIV);
assert (SvPOK(sstr));
assert (SvPOKp(sstr));
if (SvLEN(sstr) == 0) {
/* source is a COW shared hash key. */
- UV hash = SvUVX(sstr);
DEBUG_C(PerlIO_printf(Perl_debug_log,
"Fast copy on write: Sharing hash\n"));
- SvUVX(dstr) = hash;
- new_pv = sharepvn(SvPVX(sstr), (SvUTF8(sstr)?-cur:cur), hash);
+ new_pv = HEK_KEY(share_hek_hek(SvSHARED_HEK_FROM_PV(SvPVX_const(sstr))));
goto common_exit;
}
SV_COW_NEXT_SV_SET(dstr, SV_COW_NEXT_SV(sstr));
} else {
assert ((SvFLAGS(sstr) & CAN_COW_MASK) == CAN_COW_FLAGS);
- (void)SvUPGRADE (sstr, SVt_PVIV);
+ SvUPGRADE(sstr, SVt_PVIV);
SvREADONLY_on(sstr);
SvFAKE_on(sstr);
DEBUG_C(PerlIO_printf(Perl_debug_log,
SV_COW_NEXT_SV_SET(dstr, sstr);
}
SV_COW_NEXT_SV_SET(sstr, dstr);
- new_pv = SvPVX(sstr);
+ new_pv = SvPVX_mutable(sstr);
common_exit:
SvPV_set(dstr, new_pv);
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);
}
}
else {
/* len is STRLEN which is unsigned, need to copy to signed */
- IV iv = len;
+ const IV iv = len;
if (iv < 0)
Perl_croak(aTHX_ "panic: sv_setpvn called with negative strlen");
}
- (void)SvUPGRADE(sv, SVt_PV);
+ SvUPGRADE(sv, SVt_PV);
- SvGROW(sv, len + 1);
- dptr = SvPVX(sv);
+ dptr = SvGROW(sv, len + 1);
Move(ptr,dptr,len,char);
dptr[len] = '\0';
SvCUR_set(sv, len);
return;
}
len = strlen(ptr);
- (void)SvUPGRADE(sv, SVt_PV);
+ SvUPGRADE(sv, SVt_PV);
SvGROW(sv, len + 1);
Move(ptr,SvPVX(sv),len+1,char);
void
Perl_sv_usepvn(pTHX_ register SV *sv, register char *ptr, register STRLEN len)
{
+ STRLEN allocate;
SV_CHECK_THINKFIRST_COW_DROP(sv);
- (void)SvUPGRADE(sv, SVt_PV);
+ SvUPGRADE(sv, SVt_PV);
if (!ptr) {
(void)SvOK_off(sv);
return;
}
- (void)SvOOK_off(sv);
- if (SvPVX(sv) && SvLEN(sv))
- Safefree(SvPVX(sv));
- Renew(ptr, len+1, char);
- SvPVX(sv) = ptr;
+ if (SvPVX_const(sv))
+ SvPV_free(sv);
+
+ allocate = PERL_STRLEN_ROUNDUP(len + 1);
+ ptr = saferealloc (ptr, allocate);
+ SvPV_set(sv, ptr);
SvCUR_set(sv, len);
- SvLEN_set(sv, len+1);
+ SvLEN_set(sv, allocate);
*SvEND(sv) = '\0';
(void)SvPOK_only_UTF8(sv); /* validate pointer */
SvTAINT(sv);
SvSETMAGIC(sv);
}
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
/* Need to do this *after* making the SV normal, as we need the buffer
pointer to remain valid until after we've copied it. If we let go too early,
another thread could invalidate it by unsharing last of the same hash key
(which it can do by means other than releasing copy-on-write Svs)
or by changing the other copy-on-write SVs in the loop. */
STATIC void
-S_sv_release_COW(pTHX_ register SV *sv, char *pvx, STRLEN cur, STRLEN len,
- U32 hash, SV *after)
+S_sv_release_COW(pTHX_ register SV *sv, const char *pvx, STRLEN len, SV *after)
{
if (len) { /* this SV was SvIsCOW_normal(sv) */
/* we need to find the SV pointing to us. */
/* don't loop forever if the structure is bust, and we have
a pointer into a closed loop. */
assert (current != after);
- assert (SvPVX(current) == pvx);
+ assert (SvPVX_const(current) == pvx);
}
/* Make the SV before us point to the SV after us. */
SV_COW_NEXT_SV_SET(current, after);
}
} else {
- unsharepvn(pvx, SvUTF8(sv) ? -(I32)cur : cur, hash);
+ unshare_hek(SvSHARED_HEK_FROM_PV(pvx));
}
}
void
Perl_sv_force_normal_flags(pTHX_ register SV *sv, U32 flags)
{
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
if (SvREADONLY(sv)) {
/* At this point I believe I should acquire a global SV mutex. */
if (SvFAKE(sv)) {
- char *pvx = SvPVX(sv);
- STRLEN len = SvLEN(sv);
- STRLEN cur = SvCUR(sv);
- U32 hash = SvUVX(sv);
- SV *next = SV_COW_NEXT_SV(sv); /* next COW sv in the loop. */
+ const char *pvx = SvPVX_const(sv);
+ const STRLEN len = SvLEN(sv);
+ const STRLEN cur = SvCUR(sv);
+ SV * const next = SV_COW_NEXT_SV(sv); /* next COW sv in the loop. */
if (DEBUG_C_TEST) {
PerlIO_printf(Perl_debug_log,
"Copy on write: Force normal %ld\n",
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);
+ sv_release_COW(sv, pvx, len, next);
if (DEBUG_C_TEST) {
sv_dump(sv);
}
#else
if (SvREADONLY(sv)) {
if (SvFAKE(sv)) {
- char *pvx = SvPVX(sv);
- int is_utf8 = SvUTF8(sv);
- STRLEN len = SvCUR(sv);
- U32 hash = SvUVX(sv);
+ const char *pvx = SvPVX_const(sv);
+ const STRLEN len = SvCUR(sv);
SvFAKE_off(sv);
SvREADONLY_off(sv);
- SvPVX(sv) = 0;
- SvLEN(sv) = 0;
+ SvPV_set(sv, Nullch);
+ SvLEN_set(sv, 0);
SvGROW(sv, len + 1);
- Move(pvx,SvPVX(sv),len,char);
+ Move(pvx,SvPVX_const(sv),len,char);
*SvEND(sv) = '\0';
- unsharepvn(pvx, is_utf8 ? -(I32)len : len, hash);
+ unshare_hek(SvSHARED_HEK_FROM_PV(pvx));
}
else if (IN_PERL_RUNTIME)
Perl_croak(aTHX_ PL_no_modify);
SvPOK(sv) must be true and the C<ptr> must be a pointer to somewhere inside
the string buffer. The C<ptr> becomes the first character of the adjusted
string. Uses the "OOK hack".
-Beware: after this function returns, C<ptr> and SvPVX(sv) may no longer
+Beware: after this function returns, C<ptr> and SvPVX_const(sv) may no longer
refer to the same chunk of data.
=cut
*/
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))
return;
- delta = ptr - SvPVX(sv);
+ delta = ptr - SvPVX_const(sv);
SV_CHECK_THINKFIRST(sv);
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv,SVt_PVIV);
if (!SvOOK(sv)) {
if (!SvLEN(sv)) { /* make copy of shared string */
- char *pvx = SvPVX(sv);
- STRLEN len = SvCUR(sv);
+ const char *pvx = SvPVX_const(sv);
+ const STRLEN len = SvCUR(sv);
SvGROW(sv, len + 1);
- Move(pvx,SvPVX(sv),len,char);
+ Move(pvx,SvPVX_const(sv),len,char);
*SvEND(sv) = '\0';
}
SvIV_set(sv, 0);
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);
+ sstr = SvPVX_const(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);
void
Perl_sv_catsv_flags(pTHX_ SV *dsv, register SV *ssv, I32 flags)
{
- char *spv;
+ const char *spv;
STRLEN slen;
if (!ssv)
return;
- if ((spv = SvPV(ssv, slen))) {
+ if ((spv = SvPV_const(ssv, slen))) {
/* sutf8 and dutf8 were type bool, but under USE_ITHREADS,
gcc version 2.95.2 20000220 (Debian GNU/Linux) for
Linux xxx 2.2.17 on sparc64 with gcc -O2, we erroneously
dsv->sv_flags doesn't have that bit set.
Andy Dougherty 12 Oct 2001
*/
- I32 sutf8 = DO_UTF8(ssv);
+ const I32 sutf8 = DO_UTF8(ssv);
I32 dutf8;
if (SvGMAGICAL(dsv) && (flags & SV_GMAGIC))
SV* csv = sv_2mortal(newSVpvn(spv, slen));
sv_utf8_upgrade(csv);
- spv = SvPV(csv, slen);
+ spv = SvPV_const(csv, slen);
}
else
sv_utf8_upgrade_nomg(dsv);
len = strlen(ptr);
SvGROW(sv, tlen + len + 1);
if (ptr == junk)
- ptr = SvPVX(sv);
+ ptr = SvPVX_const(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);
}
MAGIC* mg;
if (SvTYPE(sv) < SVt_PVMG) {
- (void)SvUPGRADE(sv, SVt_PVMG);
+ SvUPGRADE(sv, SVt_PVMG);
}
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
if (!obj || obj == sv ||
how == PERL_MAGIC_arylen ||
how == PERL_MAGIC_qr ||
+ how == PERL_MAGIC_symtab ||
(SvTYPE(obj) == SVt_PVGV &&
(GvSV(obj) == sv || GvHV(obj) == (HV*)sv || GvAV(obj) == (AV*)sv ||
GvCV(obj) == (CV*)sv || GvIOp(obj) == (IO*)sv ||
const MGVTBL *vtable = 0;
MAGIC* mg;
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
if (SvIsCOW(sv))
sv_force_normal_flags(sv, 0);
#endif
case PERL_MAGIC_vec:
vtable = &PL_vtbl_vec;
break;
+ case PERL_MAGIC_arylen_p:
+ case PERL_MAGIC_rhash:
+ case PERL_MAGIC_symtab:
case PERL_MAGIC_vstring:
vtable = 0;
break;
}
/* 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;
}
void
Perl_sv_replace(pTHX_ register SV *sv, register SV *nsv)
{
- U32 refcnt = SvREFCNT(sv);
+ const U32 refcnt = SvREFCNT(sv);
SV_CHECK_THINKFIRST_COW_DROP(sv);
if (SvREFCNT(nsv) != 1 && ckWARN_d(WARN_INTERNAL))
Perl_warner(aTHX_ packWARN(WARN_INTERNAL), "Reference miscount in sv_replace()");
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);
sv->sv_flags = nsv->sv_flags;
sv->sv_any = nsv->sv_any;
sv->sv_refcnt = nsv->sv_refcnt;
+ sv->sv_u = nsv->sv_u;
#else
StructCopy(nsv,sv,SV);
#endif
+ /* Currently could join these into one piece of pointer arithmetic, but
+ it would be unclear. */
+ if(SvTYPE(sv) == SVt_IV)
+ SvANY(sv)
+ = (XPVIV*)((char*)&(sv->sv_u.svu_iv) - STRUCT_OFFSET(XPVIV, xiv_iv));
+ else if (SvTYPE(sv) == SVt_RV) {
+ SvANY(sv) = &sv->sv_u.svu_rv;
+ }
+
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
if (SvIsCOW_normal(nsv)) {
/* We need to follow the pointers around the loop to make the
previous SV point to sv, rather than nsv. */
while ((next = SV_COW_NEXT_SV(current)) != nsv) {
assert(next);
current = next;
- assert(SvPVX(current) == SvPVX(nsv));
+ assert(SvPVX_const(current) == SvPVX_const(nsv));
}
/* Make the SV before us point to the SV after us. */
if (DEBUG_C_TEST) {
void
Perl_sv_clear(pTHX_ register SV *sv)
{
+ dVAR;
HV* stash;
assert(sv);
assert(SvREFCNT(sv) == 0);
if (SvOBJECT(sv)) {
if (PL_defstash) { /* Still have a symbol table? */
dSP;
- CV* destructor;
-
-
-
do {
+ CV* destructor;
stash = SvSTASH(sv);
destructor = StashHANDLER(stash,DESTROY);
if (destructor) {
if(SvREFCNT(tmpref) < 2) {
/* tmpref is not kept alive! */
SvREFCNT(sv)--;
- SvRV(tmpref) = 0;
+ SvRV_set(tmpref, NULL);
SvROK_off(tmpref);
}
SvREFCNT_dec(tmpref);
if (SvREFCNT(sv)) {
if (PL_in_clean_objs)
Perl_croak(aTHX_ "DESTROY created new reference to dead object '%s'",
- HvNAME(stash));
+ HvNAME_get(stash));
/* DESTROY gave object new lease on life */
return;
}
if (SvTYPE(sv) >= SVt_PVMG) {
if (SvMAGIC(sv))
mg_free(sv);
- if (SvFLAGS(sv) & SVpad_TYPED)
+ if (SvTYPE(sv) == SVt_PVMG && SvFLAGS(sv) & SVpad_TYPED)
SvREFCNT_dec(SvSTASH(sv));
}
stash = NULL;
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_mutable(sv) - SvIVX(sv));
+ /* Don't even bother with turning off the OOK flag. */
+ }
/* FALL THROUGH */
case SVt_PV:
case SVt_RV:
else
SvREFCNT_dec(SvRV(sv));
}
-#ifdef PERL_COPY_ON_WRITE
- else if (SvPVX(sv)) {
+#ifdef PERL_OLD_COPY_ON_WRITE
+ else if (SvPVX_const(sv)) {
if (SvIsCOW(sv)) {
/* I believe I need to grab the global SV mutex here and
then recheck the COW status. */
PerlIO_printf(Perl_debug_log, "Copy on write: clear\n");
sv_dump(sv);
}
- sv_release_COW(sv, SvPVX(sv), SvCUR(sv), SvLEN(sv),
- SvUVX(sv), SV_COW_NEXT_SV(sv));
+ sv_release_COW(sv, SvPVX_const(sv), SvLEN(sv),
+ SV_COW_NEXT_SV(sv));
/* And drop it here. */
SvFAKE_off(sv);
} else if (SvLEN(sv)) {
- Safefree(SvPVX(sv));
+ Safefree(SvPVX_const(sv));
}
}
#else
- else if (SvPVX(sv) && SvLEN(sv))
- Safefree(SvPVX(sv));
- else if (SvPVX(sv) && SvREADONLY(sv) && SvFAKE(sv)) {
- unsharepvn(SvPVX(sv),
- SvUTF8(sv) ? -(I32)SvCUR(sv) : SvCUR(sv),
- SvUVX(sv));
+ else if (SvPVX_const(sv) && SvLEN(sv))
+ Safefree(SvPVX_const(sv));
+ else if (SvPVX_const(sv) && SvREADONLY(sv) && SvFAKE(sv)) {
+ unshare_hek(SvSHARED_HEK_FROM_PV(SvPVX_const(sv)));
SvFAKE_off(sv);
}
#endif
case SVt_NULL:
break;
case SVt_IV:
- del_XIV(SvANY(sv));
break;
case SVt_NV:
del_XNV(SvANY(sv));
break;
case SVt_RV:
- del_XRV(SvANY(sv));
break;
case SVt_PV:
del_XPV(SvANY(sv));
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 (SvGMAGICAL(sv))
len = mg_length(sv);
else
- (void)SvPV(sv, len);
+ (void)SvPV_const(sv, len);
return len;
}
else
{
STRLEN len, ulen;
- U8 *s = (U8*)SvPV(sv, len);
+ const U8 *s = (U8*)SvPV_const(sv, len);
MAGIC *mg = SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_utf8) : 0;
if (mg && mg->mg_len != -1 && (mg->mg_len > 0 || len == 0)) {
*
*/
STATIC bool
-S_utf8_mg_pos_init(pTHX_ SV *sv, MAGIC **mgp, STRLEN **cachep, I32 i, I32 *offsetp, U8 *s, U8 *start)
+S_utf8_mg_pos_init(pTHX_ SV *sv, MAGIC **mgp, STRLEN **cachep, I32 i,
+ I32 offsetp, const U8 *s, const U8 *start)
{
bool found = FALSE;
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)
}
assert(*cachep);
- (*cachep)[i] = *offsetp;
+ (*cachep)[i] = offsetp;
(*cachep)[i+1] = s - start;
found = TRUE;
}
*
*/
STATIC bool
-S_utf8_mg_pos(pTHX_ SV *sv, MAGIC **mgp, STRLEN **cachep, I32 i, I32 *offsetp, I32 uoff, U8 **sp, U8 *start, U8 *send)
+S_utf8_mg_pos(pTHX_ SV *sv, MAGIC **mgp, STRLEN **cachep, I32 i, I32 *offsetp, I32 uoff, const U8 **sp, const U8 *start, const U8 *send)
{
bool found = FALSE;
else { /* We will skip to the right spot. */
STRLEN forw = 0;
STRLEN backw = 0;
- U8* p = NULL;
+ const U8* p = NULL;
/* The assumption is that going backward is half
* the speed of going forward (that's where the
/* Try this only for the substr offset (i == 0),
* not for the substr length (i == 2). */
else if (i == 0) { /* (*cachep)[i] < uoff */
- STRLEN ulen = sv_len_utf8(sv);
+ const STRLEN ulen = sv_len_utf8(sv);
if ((STRLEN)uoff < ulen) {
forw = (STRLEN)uoff - (*cachep)[i];
void
Perl_sv_pos_u2b(pTHX_ register SV *sv, I32* offsetp, I32* lenp)
{
- U8 *start;
- U8 *s;
+ const U8 *start;
STRLEN len;
- STRLEN *cache = 0;
- STRLEN boffset = 0;
if (!sv)
return;
- start = s = (U8*)SvPV(sv, len);
+ start = (U8*)SvPV_const(sv, len);
if (len) {
- I32 uoffset = *offsetp;
- U8 *send = s + len;
- MAGIC *mg = 0;
- bool found = FALSE;
+ STRLEN boffset = 0;
+ STRLEN *cache = 0;
+ const U8 *s = start;
+ I32 uoffset = *offsetp;
+ const U8 *send = s + len;
+ MAGIC *mg = 0;
+ bool found = FALSE;
if (utf8_mg_pos(sv, &mg, &cache, 0, offsetp, *offsetp, &s, start, send))
found = TRUE;
s += UTF8SKIP(s);
if (s >= send)
s = send;
- if (utf8_mg_pos_init(sv, &mg, &cache, 0, offsetp, s, start))
+ if (utf8_mg_pos_init(sv, &mg, &cache, 0, *offsetp, s, start))
boffset = cache[1];
*offsetp = s - start;
}
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;
}
s += UTF8SKIP(s);
if (s >= send)
s = send;
- utf8_mg_pos_init(sv, &mg, &cache, 2, lenp, s, start);
+ utf8_mg_pos_init(sv, &mg, &cache, 2, *lenp, s, start);
}
*lenp = s - start;
}
void
Perl_sv_pos_b2u(pTHX_ register SV* sv, I32* offsetp)
{
- U8* s;
+ const U8* s;
STRLEN len;
if (!sv)
return;
- s = (U8*)SvPV(sv, len);
+ s = (const U8*)SvPV_const(sv, len);
if ((I32)len < *offsetp)
Perl_croak(aTHX_ "panic: sv_pos_b2u: bad byte offset");
else {
- U8* send = s + *offsetp;
+ const U8* send = s + *offsetp;
MAGIC* mg = NULL;
STRLEN *cache = NULL;
STRLEN backw = cache[1] - *offsetp;
if (!(forw < 2 * backw)) {
- U8 *p = s + cache[1];
+ const U8 *p = s + cache[1];
STRLEN ubackw = 0;
cache[1] -= backw;
cur1 = 0;
}
else
- pv1 = SvPV(sv1, cur1);
+ pv1 = SvPV_const(sv1, cur1);
if (!sv2){
pv2 = "";
cur2 = 0;
}
else
- pv2 = SvPV(sv2, cur2);
+ pv2 = SvPV_const(sv2, cur2);
if (cur1 && cur2 && SvUTF8(sv1) != SvUTF8(sv2) && !IN_BYTES) {
/* Differing utf8ness.
if (SvUTF8(sv1)) {
svrecode = newSVpvn(pv2, cur2);
sv_recode_to_utf8(svrecode, PL_encoding);
- pv2 = SvPV(svrecode, cur2);
+ pv2 = SvPV_const(svrecode, cur2);
}
else {
svrecode = newSVpvn(pv1, cur1);
sv_recode_to_utf8(svrecode, PL_encoding);
- pv1 = SvPV(svrecode, cur1);
+ pv1 = SvPV_const(svrecode, cur1);
}
/* Now both are in UTF-8. */
if (cur1 != cur2) {
cur1 = 0;
}
else
- pv1 = SvPV(sv1, cur1);
+ pv1 = SvPV_const(sv1, cur1);
if (!sv2) {
pv2 = "";
cur2 = 0;
}
else
- pv2 = SvPV(sv2, cur2);
+ pv2 = SvPV_const(sv2, cur2);
if (cur1 && cur2 && SvUTF8(sv1) != SvUTF8(sv2) && !IN_BYTES) {
/* Differing utf8ness.
if (PL_encoding) {
svrecode = newSVpvn(pv2, cur2);
sv_recode_to_utf8(svrecode, PL_encoding);
- pv2 = SvPV(svrecode, cur2);
+ pv2 = SvPV_const(svrecode, cur2);
}
else {
pv2 = tpv = (char*)bytes_to_utf8((const U8*)pv2, &cur2);
if (PL_encoding) {
svrecode = newSVpvn(pv1, cur1);
sv_recode_to_utf8(svrecode, PL_encoding);
- pv1 = SvPV(svrecode, cur1);
+ pv1 = SvPV_const(svrecode, cur1);
}
else {
pv1 = tpv = (char*)bytes_to_utf8((const U8*)pv1, &cur1);
mg = SvMAGICAL(sv) ? mg_find(sv, PERL_MAGIC_collxfrm) : (MAGIC *) NULL;
if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != PL_collation_ix) {
- char *s, *xf;
+ const char *s;
+ char *xf;
STRLEN len, xlen;
if (mg)
Safefree(mg->mg_ptr);
- s = SvPV(sv, len);
+ s = SvPV_const(sv, len);
if ((xf = mem_collxfrm(s, len, &xlen))) {
if (SvREADONLY(sv)) {
SAVEFREEPV(xf);
However, perlbench says it's slower, because the existing swipe code
is faster than copy on write.
Swings and roundabouts. */
- (void)SvUPGRADE(sv, SVt_PV);
+ SvUPGRADE(sv, SVt_PV);
SvSCREAM_off(sv);
*/
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));
}
Perl_croak(aTHX_ "Wide character in $/");
}
}
- rsptr = SvPV(PL_rs, rslen);
+ rsptr = SvPV_const(PL_rs, rslen);
}
}
}
else
shortbuffered = 0;
- bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
+ bp = (STDCHAR*)SvPVX_const(sv) + append; /* move these two too to registers */
ptr = (STDCHAR*)PerlIO_get_ptr(fp);
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: entering, ptr=%"UVuf", cnt=%ld\n",PTR2UV(ptr),(long)cnt));
if (shortbuffered) { /* oh well, must extend */
cnt = shortbuffered;
shortbuffered = 0;
- bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
+ bpx = bp - (STDCHAR*)SvPVX_const(sv); /* box up before relocation */
SvCUR_set(sv, bpx);
SvGROW(sv, SvLEN(sv) + append + cnt + 2);
- bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
+ bp = (STDCHAR*)SvPVX_const(sv) + bpx; /* unbox after relocation */
continue;
}
if (i == EOF) /* all done for ever? */
goto thats_really_all_folks;
- bpx = bp - (STDCHAR*)SvPVX(sv); /* box up before relocation */
+ bpx = bp - (STDCHAR*)SvPVX_const(sv); /* box up before relocation */
SvCUR_set(sv, bpx);
SvGROW(sv, bpx + cnt + 2);
- bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
+ bp = (STDCHAR*)SvPVX_const(sv) + bpx; /* unbox after relocation */
*bp++ = (STDCHAR)i; /* store character from PerlIO_getc */
}
thats_all_folks:
- if ((rslen > 1 && (STRLEN)(bp - (STDCHAR*)SvPVX(sv)) < rslen) ||
+ if ((rslen > 1 && (STRLEN)(bp - (STDCHAR*)SvPVX_const(sv)) < rslen) ||
memNE((char*)bp - rslen, rsptr, rslen))
goto screamer; /* go back to the fray */
thats_really_all_folks:
PTR2UV(PerlIO_get_ptr(fp)), (long)PerlIO_get_cnt(fp),
PTR2UV(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
*bp = '\0';
- SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
+ SvCUR_set(sv, bp - (STDCHAR*)SvPVX_const(sv)); /* set length */
DEBUG_P(PerlIO_printf(Perl_debug_log,
"Screamer: done, len=%ld, string=|%.*s|\n",
- (long)SvCUR(sv),(int)SvCUR(sv),SvPVX(sv)));
+ (long)SvCUR(sv),(int)SvCUR(sv),SvPVX_const(sv)));
}
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);
if (i != EOF && /* joy */
(!rslen ||
SvCUR(sv) < rslen ||
- memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
+ memNE(SvPVX_const(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
{
append = -1;
/*
goto screamer2;
}
-#ifdef USEHEAPINSTEADOFSTACK
+#ifdef USE_HEAP_INSTEAD_OF_STACK
Safefree(buf);
#endif
}
sv_setnv(sv, UV_MAX_P1);
else
(void)SvIOK_only_UV(sv);
- ++SvUVX(sv);
+ SvUV_set(sv, SvUVX(sv) + 1);
} else {
if (SvIVX(sv) == IV_MAX)
sv_setuv(sv, (UV)IV_MAX + 1);
return;
}
- if (!(flags & SVp_POK) || !*SvPVX(sv)) {
+ if (!(flags & SVp_POK) || !*SvPVX_const(sv)) {
if ((flags & SVTYPEMASK) < SVt_PVIV)
sv_upgrade(sv, SVt_IV);
(void)SvIOK_only(sv);
/* Got to punt this as an integer if needs be, but we don't issue
warnings. Probably ought to make the sv_iv_please() that does
the conversion if possible, and silently. */
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), NULL);
+ const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), NULL);
if (numtype && !(numtype & IS_NUMBER_INFINITY)) {
/* Need to try really hard to see if it's an integer.
9.22337203685478e+18 is an integer.
Fall through. */
#if defined(USE_LONG_DOUBLE)
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_inc punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"PERL_PRIgldbl"\n",
- SvPVX(sv), SvIVX(sv), SvNVX(sv)));
+ SvPVX_const(sv), SvIVX(sv), SvNVX(sv)));
#else
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_inc punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"NVgf"\n",
- SvPVX(sv), SvIVX(sv), SvNVX(sv)));
+ SvPVX_const(sv), SvIVX(sv), SvNVX(sv)));
#endif
}
#endif /* PERL_PRESERVE_IVUV */
- sv_setnv(sv,Atof(SvPVX(sv)) + 1.0);
+ sv_setnv(sv,Atof(SvPVX_const(sv)) + 1.0);
return;
}
d--;
- while (d >= SvPVX(sv)) {
+ while (d >= SvPVX_const(sv)) {
if (isDIGIT(*d)) {
if (++*d <= '9')
return;
}
/* oh,oh, the number grew */
SvGROW(sv, SvCUR(sv) + 2);
- SvCUR(sv)++;
- for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX(sv); d--)
+ SvCUR_set(sv, SvCUR(sv) + 1);
+ for (d = SvPVX(sv) + SvCUR(sv); d > SvPVX_const(sv); d--)
*d = d[-1];
if (isDIGIT(d[1]))
*d = '1';
}
else {
(void)SvIOK_only_UV(sv);
- --SvUVX(sv);
+ SvUV_set(sv, SvUVX(sv) + 1);
}
} else {
if (SvIVX(sv) == IV_MIN)
}
#ifdef PERL_PRESERVE_IVUV
{
- int numtype = grok_number(SvPVX(sv), SvCUR(sv), NULL);
+ const int numtype = grok_number(SvPVX_const(sv), SvCUR(sv), NULL);
if (numtype && !(numtype & IS_NUMBER_INFINITY)) {
/* Need to try really hard to see if it's an integer.
9.22337203685478e+18 is an integer.
Fall through. */
#if defined(USE_LONG_DOUBLE)
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_dec punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"PERL_PRIgldbl"\n",
- SvPVX(sv), SvIVX(sv), SvNVX(sv)));
+ SvPVX_const(sv), SvIVX(sv), SvNVX(sv)));
#else
DEBUG_c(PerlIO_printf(Perl_debug_log,"sv_dec punt failed to convert '%s' to IOK or NOKp, UV=0x%"UVxf" NV=%"NVgf"\n",
- SvPVX(sv), SvIVX(sv), SvNVX(sv)));
+ SvPVX_const(sv), SvIVX(sv), SvNVX(sv)));
#endif
}
}
#endif /* PERL_PRESERVE_IVUV */
- sv_setnv(sv,Atof(SvPVX(sv)) - 1.0); /* punt */
+ sv_setnv(sv,Atof(SvPVX_const(sv)) - 1.0); /* punt */
}
/*
SV *
Perl_sv_2mortal(pTHX_ register SV *sv)
{
+ dVAR;
if (!sv)
return sv;
if (SvREADONLY(sv) && SvIMMORTAL(sv))
register SV *sv;
new_SV(sv);
- if (!len)
- len = strlen(s);
- sv_setpvn(sv,s,len);
+ sv_setpvn(sv,s,len ? len : strlen(s));
return sv;
}
return sv;
}
+
+/*
+=for apidoc newSVhek
+
+Creates a new SV from the hash key structure. It will generate scalars that
+point to the shared string table where possible. Returns a new (undefined)
+SV if the hek is NULL.
+
+=cut
+*/
+
+SV *
+Perl_newSVhek(pTHX_ const HEK *hek)
+{
+ if (!hek) {
+ SV *sv;
+
+ new_SV(sv);
+ return sv;
+ }
+
+ if (HEK_LEN(hek) == HEf_SVKEY) {
+ return newSVsv(*(SV**)HEK_KEY(hek));
+ } else {
+ const int flags = HEK_FLAGS(hek);
+ if (flags & HVhek_WASUTF8) {
+ /* Trouble :-)
+ Andreas would like keys he put in as utf8 to come back as utf8
+ */
+ STRLEN utf8_len = HEK_LEN(hek);
+ U8 *as_utf8 = bytes_to_utf8 ((U8*)HEK_KEY(hek), &utf8_len);
+ SV *sv = newSVpvn ((char*)as_utf8, utf8_len);
+
+ SvUTF8_on (sv);
+ Safefree (as_utf8); /* bytes_to_utf8() allocates a new string */
+ return sv;
+ } else if (flags & HVhek_REHASH) {
+ /* We don't have a pointer to the hv, so we have to replicate the
+ flag into every HEK. This hv is using custom a hasing
+ algorithm. Hence we can't return a shared string scalar, as
+ that would contain the (wrong) hash value, and might get passed
+ into an hv routine with a regular hash */
+
+ SV *sv = newSVpvn (HEK_KEY(hek), HEK_LEN(hek));
+ if (HEK_UTF8(hek))
+ SvUTF8_on (sv);
+ return sv;
+ }
+ /* This will be overwhelminly the most common case. */
+ return newSVpvn_share(HEK_KEY(hek),
+ (HEK_UTF8(hek) ? -HEK_LEN(hek) : HEK_LEN(hek)),
+ HEK_HASH(hek));
+ }
+}
+
/*
=for apidoc newSVpvn_share
-Creates a new SV with its SvPVX pointing to a shared string in the string
+Creates a new SV with its SvPVX_const pointing to a shared string in the string
table. If the string does not already exist in the table, it is created
first. Turns on READONLY and FAKE. The string's hash is stored in the UV
slot of the SV; if the C<hash> parameter is non-zero, that value is used;
otherwise the hash is computed. The idea here is that as the string table
-is used for shared hash keys these strings will have SvPVX == HeKEY and
+is used for shared hash keys these strings will have SvPVX_const == HeKEY and
hash lookup will avoid string compare.
=cut
if (!hash)
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;
- SvUVX(sv) = hash;
- SvLEN(sv) = 0;
+ sv_upgrade(sv, SVt_PV);
+ SvPV_set(sv, sharepvn(src, is_utf8?-len:len, hash));
+ SvCUR_set(sv, len);
+ 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)
{
- register HE *entry;
- register GV *gv;
- register SV *sv;
- register I32 i;
- register PMOP *pm;
- register I32 max;
+ dVAR;
char todo[PERL_UCHAR_MAX+1];
if (!stash)
return;
if (!*s) { /* reset ?? searches */
- for (pm = HvPMROOT(stash); pm; pm = pm->op_pmnext) {
- pm->op_pmdynflags &= ~PMdf_USED;
+ MAGIC *mg = mg_find((SV *)stash, PERL_MAGIC_symtab);
+ if (mg) {
+ PMOP *pm = (PMOP *) mg->mg_obj;
+ while (pm) {
+ pm->op_pmdynflags &= ~PMdf_USED;
+ pm = pm->op_pmnext;
+ }
}
return;
}
Zero(todo, 256, char);
while (*s) {
- i = (unsigned char)*s;
+ I32 max;
+ I32 i = (unsigned char)*s;
if (s[1] == '-') {
s += 2;
}
todo[i] = 1;
}
for (i = 0; i <= (I32) HvMAX(stash); i++) {
+ HE *entry;
for (entry = HvARRAY(stash)[i];
entry;
entry = HeNEXT(entry))
{
+ register GV *gv;
+ register SV *sv;
+
if (!todo[(U8)*HeKEY(entry)])
continue;
gv = (GV*)HeVAL(entry);
SvOK_off(sv);
if (SvTYPE(sv) >= SVt_PV) {
SvCUR_set(sv, 0);
- if (SvPVX(sv) != Nullch)
+ if (SvPVX_const(sv) != Nullch)
*SvPVX(sv) = '\0';
SvTAINT(sv);
}
if (GvAV(gv)) {
av_clear(GvAV(gv));
}
- if (GvHV(gv) && !HvNAME(GvHV(gv))) {
+ if (GvHV(gv) && !HvNAME_get(GvHV(gv))) {
hv_clear(GvHV(gv));
#ifndef PERL_MICRO
#ifdef USE_ENVIRON_ARRAY
CV *
Perl_sv_2cv(pTHX_ SV *sv, HV **st, GV **gvp, I32 lref)
{
+ dVAR;
GV *gv = Nullgv;
CV *cv = Nullcv;
const register XPV* tXpv;
if ((tXpv = (XPV*)SvANY(sv)) &&
(tXpv->xpv_cur > 1 ||
- (tXpv->xpv_cur && *tXpv->xpv_pv != '0')))
+ (tXpv->xpv_cur && *sv->sv_u.svu_pv != '0')))
return 1;
else
return 0;
char *
Perl_sv_pv(pTHX_ SV *sv)
{
- STRLEN n_a;
-
if (SvPOK(sv))
return SvPVX(sv);
- return sv_2pv(sv, &n_a);
+ return sv_2pv(sv, 0);
}
/*
char *
Perl_sv_pvn_force_flags(pTHX_ SV *sv, STRLEN *lp, I32 flags)
{
- char *s = NULL;
if (SvTHINKFIRST(sv) && !SvROK(sv))
sv_force_normal_flags(sv, 0);
if (SvPOK(sv)) {
- *lp = SvCUR(sv);
+ if (lp)
+ *lp = SvCUR(sv);
}
else {
+ char *s;
+ STRLEN len;
+
+ if (SvREADONLY(sv) && !(flags & SV_MUTABLE_RETURN)) {
+ if (PL_op)
+ Perl_croak(aTHX_ "Can't coerce readonly %s to string in %s",
+ sv_reftype(sv,0), OP_NAME(PL_op));
+ else
+ Perl_croak(aTHX_ "Can't coerce readonly %s to string",
+ sv_reftype(sv,0));
+ }
if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
Perl_croak(aTHX_ "Can't coerce %s to string in %s", sv_reftype(sv,0),
OP_NAME(PL_op));
}
else
- s = sv_2pv_flags(sv, lp, flags);
- if (s != SvPVX(sv)) { /* Almost, but not quite, sv_setpvn() */
- STRLEN len = *lp;
-
+ s = sv_2pv_flags(sv, &len, flags);
+ if (lp)
+ *lp = len;
+
+ if (s != SvPVX_const(sv)) { /* Almost, but not quite, sv_setpvn() */
if (SvROK(sv))
sv_unref(sv);
- (void)SvUPGRADE(sv, SVt_PV); /* Never FALSE */
+ SvUPGRADE(sv, SVt_PV); /* Never FALSE */
SvGROW(sv, len + 1);
- Move(s,SvPVX(sv),len,char);
+ Move(s,SvPVX_const(sv),len,char);
SvCUR_set(sv, len);
*SvEND(sv) = '\0';
}
SvPOK_on(sv); /* validate pointer */
SvTAINT(sv);
DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%"UVxf" 2pv(%s)\n",
- PTR2UV(sv),SvPVX(sv)));
+ PTR2UV(sv),SvPVX_const(sv)));
}
}
- return SvPVX(sv);
+ return SvPVX_mutable(sv);
}
/* sv_pvbyte () is now a macro using Perl_sv_2pv_flags();
/* The fact that I don't need to downcast to char * everywhere, only in ?:
inside return suggests a const propagation bug in g++. */
if (ob && SvOBJECT(sv)) {
- char *name = HvNAME(SvSTASH(sv));
+ char *name = HvNAME_get(SvSTASH(sv));
return name ? name : (char *) "__ANON__";
}
else {
int
Perl_sv_isa(pTHX_ SV *sv, const char *name)
{
+ const char *hvname;
if (!sv)
return 0;
if (SvGMAGICAL(sv))
sv = (SV*)SvRV(sv);
if (!SvOBJECT(sv))
return 0;
- if (!HvNAME(SvSTASH(sv)))
+ hvname = HvNAME_get(SvSTASH(sv));
+ if (!hvname)
return 0;
- return strEQ(HvNAME(SvSTASH(sv)), name);
+ return strEQ(hvname, name);
}
/*
SvAMAGIC_off(rv);
if (SvTYPE(rv) >= SVt_PVMG) {
- U32 refcnt = SvREFCNT(rv);
+ const U32 refcnt = SvREFCNT(rv);
SvREFCNT(rv) = 0;
sv_clear(rv);
SvFLAGS(rv) = 0;
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) {
SvOBJECT_on(tmpRef);
if (SvTYPE(tmpRef) != SVt_PVIO)
++PL_sv_objcount;
- (void)SvUPGRADE(tmpRef, SVt_PVMG);
- SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash);
+ SvUPGRADE(tmpRef, SVt_PVMG);
+ 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. */
Perl_sv_tainted(pTHX_ SV *sv)
{
if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
- MAGIC *mg = mg_find(sv, PERL_MAGIC_taint);
+ MAGIC * const mg = mg_find(sv, PERL_MAGIC_taint);
if (mg && ((mg->mg_len & 1) || ((mg->mg_len & 2) && mg->mg_obj == sv)))
return TRUE;
}
static char *
F0convert(NV nv, char *endbuf, STRLEN *len)
{
- int neg = nv < 0;
+ const int neg = nv < 0;
UV uv;
- char *p = endbuf;
if (neg)
nv = -nv;
if (nv < UV_MAX) {
+ char *p = endbuf;
nv += 0.5;
uv = (UV)nv;
if (uv & 1 && uv == nv)
uv--; /* Round to even */
do {
- unsigned dig = uv % 10;
+ const unsigned dig = uv % 10;
*--p = '0' + dig;
} while (uv /= 10);
if (neg)
{
char *p;
char *q;
- char *patend;
+ const 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? */
+ bool has_utf8 = DO_UTF8(sv); /* has the result utf8? */
+ const bool pat_utf8 = has_utf8; /* the pattern is in utf8? */
SV *nsv = Nullsv;
/* Times 4: a decimal digit takes more than 3 binary digits.
* NV_DIG: mantissa takes than many decimal digits.
/* large enough for "%#.#f" --chip */
/* what about long double NVs? --jhi */
- has_utf8 = pat_utf8 = DO_UTF8(sv);
-
/* no matter what, this is a string now */
(void)SvPV_force(sv, origlen);
- /* special-case "", "%s", and "%_" */
+ /* special-case "", "%s", and "%-p" (SVf) */
if (patlen == 0)
return;
- if (patlen == 2 && pat[0] == '%') {
- switch (pat[1]) {
- case 's':
+ if (patlen == 2 && pat[0] == '%' && pat[1] == 's') {
if (args) {
const char *s = va_arg(*args, char*);
sv_catpv(sv, s ? s : nullstr);
SvUTF8_on(sv);
}
return;
- case '_':
+ }
+ if (patlen == 3 && pat[0] == '%' &&
+ pat[1] == '-' && pat[2] == 'p') {
if (args) {
argsv = va_arg(*args, SV*);
sv_catsv(sv, argsv);
SvUTF8_on(sv);
return;
}
- /* See comment on '_' below */
- break;
- }
}
#ifndef USE_LONG_DOUBLE
U8 utf8buf[UTF8_MAXBYTES+1];
STRLEN esignlen = 0;
- char *eptr = Nullch;
+ const char *eptr = Nullch;
STRLEN elen = 0;
SV *vecsv = Nullsv;
- U8 *vecstr = Null(U8*);
+ const U8 *vecstr = Null(U8*);
STRLEN veclen = 0;
char c = 0;
int i;
else
vecsv = (evix ? evix <= svmax : svix < svmax) ?
svargs[evix ? evix-1 : svix++] : &PL_sv_undef;
- dotstr = SvPVx(vecsv, dotstrlen);
+ dotstr = SvPV_const(vecsv, dotstrlen);
if (DO_UTF8(vecsv))
is_utf8 = TRUE;
}
if (args) {
vecsv = va_arg(*args, SV*);
- vecstr = (U8*)SvPVx(vecsv,veclen);
+ vecstr = (U8*)SvPV_const(vecsv,veclen);
vec_utf8 = DO_UTF8(vecsv);
}
else if (efix ? efix <= svmax : svix < svmax) {
vecsv = svargs[efix ? efix-1 : svix++];
- vecstr = (U8*)SvPVx(vecsv,veclen);
+ vecstr = (U8*)SvPV_const(vecsv,veclen);
vec_utf8 = DO_UTF8(vecsv);
/* if this is a version object, we need to return the
- * stringified representation (which the SvPVX has
+ * stringified representation (which the SvPVX_const has
* already done for us), but not vectorize the args
*/
if ( *q == 'd' && sv_derived_from(vecsv,"version") )
{
q++; /* skip past the rest of the %vd format */
- eptr = (char *) vecstr;
+ eptr = (const char *) vecstr;
elen = strlen(eptr);
vectorize=FALSE;
goto string;
#endif
elen = strlen(eptr);
else {
- eptr = nullstr;
+ eptr = (char *)nullstr;
elen = sizeof nullstr - 1;
}
}
else {
- eptr = SvPVx(argsv, elen);
+ eptr = SvPVx_const(argsv, elen);
if (DO_UTF8(argsv)) {
if (has_precis && precis < elen) {
I32 p = precis;
is_utf8 = TRUE;
}
}
- goto string;
-
- case '_':
-#ifdef CHECK_FORMAT
- format_sv:
-#endif
- /*
- * The "%_" hack might have to be changed someday,
- * if ISO or ANSI decide to use '_' for something.
- * So we keep it hidden from users' code.
- */
- if (!args || vectorize)
- goto unknown;
- argsv = va_arg(*args, SV*);
- eptr = SvPVx(argsv, elen);
- if (DO_UTF8(argsv))
- is_utf8 = TRUE;
string:
vectorize = FALSE;
/* INTEGERS */
case 'p':
-#ifdef CHECK_FORMAT
- if (left) {
+ if (left && args) { /* SVf */
left = FALSE;
- if (!width)
- goto format_sv; /* %-p -> %_ */
- precis = width;
- has_precis = TRUE;
- width = 0;
- goto format_sv; /* %-Np -> %.N_ */
+ if (width) {
+ precis = width;
+ has_precis = TRUE;
+ width = 0;
+ }
+ if (vectorize)
+ goto unknown;
+ argsv = va_arg(*args, SV*);
+ eptr = SvPVx_const(argsv, elen);
+ if (DO_UTF8(argsv))
+ is_utf8 = TRUE;
+ goto string;
}
-#endif
if (alt || vectorize)
goto unknown;
uv = PTR2UV(args ? va_arg(*args, void*) : argsv);
}
integer:
- eptr = ebuf + sizeof ebuf;
- switch (base) {
- unsigned dig;
- case 16:
- if (!uv)
- alt = FALSE;
- p = (char*)((c == 'X')
- ? "0123456789ABCDEF" : "0123456789abcdef");
- do {
- dig = uv & 15;
- *--eptr = p[dig];
- } while (uv >>= 4);
- if (alt) {
- esignbuf[esignlen++] = '0';
- esignbuf[esignlen++] = c; /* 'x' or 'X' */
- }
- break;
- case 8:
- do {
- dig = uv & 7;
- *--eptr = '0' + dig;
- } while (uv >>= 3);
- if (alt && *eptr != '0')
- *--eptr = '0';
- break;
- case 2:
- do {
- dig = uv & 1;
- *--eptr = '0' + dig;
- } while (uv >>= 1);
- if (alt) {
- esignbuf[esignlen++] = '0';
- esignbuf[esignlen++] = 'b';
- }
- break;
- default: /* it had better be ten or less */
-#if defined(PERL_Y2KWARN)
- if (ckWARN(WARN_Y2K)) {
- STRLEN n;
- char *s = SvPV(sv,n);
- if (n >= 2 && s[n-2] == '1' && s[n-1] == '9'
- && (n == 2 || !isDIGIT(s[n-3])))
- {
- Perl_warner(aTHX_ packWARN(WARN_Y2K),
- "Possible Y2K bug: %%%c %s",
- c, "format string following '19'");
+ {
+ char *ptr = ebuf + sizeof ebuf;
+ switch (base) {
+ unsigned dig;
+ case 16:
+ if (!uv)
+ alt = FALSE;
+ p = (char*)((c == 'X')
+ ? "0123456789ABCDEF" : "0123456789abcdef");
+ do {
+ dig = uv & 15;
+ *--ptr = p[dig];
+ } while (uv >>= 4);
+ if (alt) {
+ esignbuf[esignlen++] = '0';
+ esignbuf[esignlen++] = c; /* 'x' or 'X' */
+ }
+ break;
+ case 8:
+ do {
+ dig = uv & 7;
+ *--ptr = '0' + dig;
+ } while (uv >>= 3);
+ if (alt && *ptr != '0')
+ *--ptr = '0';
+ break;
+ case 2:
+ do {
+ dig = uv & 1;
+ *--ptr = '0' + dig;
+ } while (uv >>= 1);
+ if (alt) {
+ esignbuf[esignlen++] = '0';
+ esignbuf[esignlen++] = 'b';
}
+ break;
+ default: /* it had better be ten or less */
+ do {
+ dig = uv % base;
+ *--ptr = '0' + dig;
+ } while (uv /= base);
+ break;
+ }
+ elen = (ebuf + sizeof ebuf) - ptr;
+ eptr = ptr;
+ if (has_precis) {
+ if (precis > elen)
+ zeros = precis - elen;
+ else if (precis == 0 && elen == 1 && *eptr == '0')
+ elen = 0;
}
-#endif
- do {
- dig = uv % base;
- *--eptr = '0' + dig;
- } while (uv /= base);
- break;
- }
- elen = (ebuf + sizeof ebuf) - eptr;
- if (has_precis) {
- if (precis > elen)
- zeros = precis - elen;
- else if (precis == 0 && elen == 1 && *eptr == '0')
- elen = 0;
}
break;
break;
}
}
- eptr = ebuf + sizeof ebuf;
- *--eptr = '\0';
- *--eptr = c;
- /* FIXME: what to do if HAS_LONG_DOUBLE but not PERL_PRIfldbl? */
+ {
+ char *ptr = ebuf + sizeof ebuf;
+ *--ptr = '\0';
+ *--ptr = c;
+ /* FIXME: what to do if HAS_LONG_DOUBLE but not PERL_PRIfldbl? */
#if defined(HAS_LONG_DOUBLE) && defined(PERL_PRIfldbl)
- if (intsize == 'q') {
- /* Copy the one or more characters in a long double
- * format before the 'base' ([efgEFG]) character to
- * the format string. */
- static char const prifldbl[] = PERL_PRIfldbl;
- char const *p = prifldbl + sizeof(prifldbl) - 3;
- while (p >= prifldbl) { *--eptr = *p--; }
- }
+ if (intsize == 'q') {
+ /* Copy the one or more characters in a long double
+ * format before the 'base' ([efgEFG]) character to
+ * the format string. */
+ static char const prifldbl[] = PERL_PRIfldbl;
+ char const *p = prifldbl + sizeof(prifldbl) - 3;
+ while (p >= prifldbl) { *--ptr = *p--; }
+ }
#endif
- if (has_precis) {
- base = precis;
- do { *--eptr = '0' + (base % 10); } while (base /= 10);
- *--eptr = '.';
- }
- if (width) {
- base = width;
- do { *--eptr = '0' + (base % 10); } while (base /= 10);
- }
- if (fill == '0')
- *--eptr = fill;
- if (left)
- *--eptr = '-';
- if (plus)
- *--eptr = plus;
- if (alt)
- *--eptr = '#';
- *--eptr = '%';
-
- /* No taint. Otherwise we are in the strange situation
- * where printf() taints but print($float) doesn't.
- * --jhi */
+ if (has_precis) {
+ base = precis;
+ do { *--ptr = '0' + (base % 10); } while (base /= 10);
+ *--ptr = '.';
+ }
+ if (width) {
+ base = width;
+ do { *--ptr = '0' + (base % 10); } while (base /= 10);
+ }
+ if (fill == '0')
+ *--ptr = fill;
+ if (left)
+ *--ptr = '-';
+ if (plus)
+ *--ptr = plus;
+ if (alt)
+ *--ptr = '#';
+ *--ptr = '%';
+
+ /* No taint. Otherwise we are in the strange situation
+ * where printf() taints but print($float) doesn't.
+ * --jhi */
#if defined(HAS_LONG_DOUBLE)
- if (intsize == 'q')
- (void)sprintf(PL_efloatbuf, eptr, nv);
- else
- (void)sprintf(PL_efloatbuf, eptr, (double)nv);
+ if (intsize == 'q')
+ (void)sprintf(PL_efloatbuf, ptr, nv);
+ else
+ (void)sprintf(PL_efloatbuf, ptr, (double)nv);
#else
- (void)sprintf(PL_efloatbuf, eptr, nv);
+ (void)sprintf(PL_efloatbuf, ptr, nv);
#endif
+ }
float_converted:
eptr = PL_efloatbuf;
elen = strlen(PL_efloatbuf);
Copy(eptr, p, elen, char);
p += elen;
*p = '\0';
- SvCUR(sv) = p - SvPVX(sv);
+ SvCUR_set(sv, p - SvPVX_const(sv));
svix = osvix;
continue; /* not "break" */
}
else {
SV *nsv = sv_2mortal(newSVpvn(eptr, elen));
sv_utf8_upgrade(nsv);
- eptr = SvPVX(nsv);
+ eptr = SvPVX_const(nsv);
elen = SvCUR(nsv);
}
SvGROW(sv, SvCUR(sv) + elen + 1);
if (has_utf8)
SvUTF8_on(sv);
*p = '\0';
- SvCUR(sv) = p - SvPVX(sv);
+ SvCUR_set(sv, p - SvPVX_const(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;
ret->subbeg = SAVEPVN(r->subbeg, r->sublen);
else
ret->subbeg = Nullch;
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
ret->saved_copy = Nullsv;
#endif
av_push((AV*)nmg->mg_obj,sv_dup(svp[i],param));
}
}
+ else if (mg->mg_type == PERL_MAGIC_symtab) {
+ nmg->mg_obj = mg->mg_obj;
+ }
else {
nmg->mg_obj = (mg->mg_flags & MGf_REFCOUNTED)
? sv_dup_inc(mg->mg_obj, param)
# 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 *
if (!GvUNIQUE(gv)) {
#if 0
PerlIO_printf(Perl_debug_log, "gv_share: unable to share %s::%s\n",
- HvNAME(GvSTASH(gv)), GvNAME(gv));
+ HvNAME_get(GvSTASH(gv)), GvNAME(gv));
#endif
return Nullsv;
}
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)) {
+ else if (SvPVX_const(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_const(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: */
}
else {
/* Special case - not normally malloced for some reason */
- if (SvREADONLY(sstr) && SvFAKE(sstr)) {
- /* A "shared" PV - clone it as unshared string */
- if(SvPADTMP(sstr)) {
- /* However, some of them live in the pad
- and they should not have these flags
- turned off */
-
- SvPVX(dstr) = sharepvn(SvPVX(sstr), SvCUR(sstr),
- SvUVX(sstr));
- SvUVX(dstr) = SvUVX(sstr);
- } else {
-
- SvPVX(dstr) = SAVEPVN(SvPVX(sstr), SvCUR(sstr));
- SvFAKE_off(dstr);
- SvREADONLY_off(dstr);
- }
+ if ((SvREADONLY(sstr) && SvFAKE(sstr))) {
+ /* A "shared" PV - clone it as "shared" PV */
+ SvPV_set(dstr,
+ HEK_KEY(hek_dup(SvSHARED_HEK_FROM_PV(SvPVX_const(sstr)),
+ param)));
}
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)
if(param->flags & CLONEf_JOIN_IN) {
/** We are joining here so we don't want do clone
something that is bad **/
+ const char *hvname;
if(SvTYPE(sstr) == SVt_PVHV &&
- HvNAME(sstr)) {
+ (hvname = HvNAME_get(sstr))) {
/** don't clone stashes if they already exist **/
- HV* old_stash = gv_stashpv(HvNAME(sstr),0);
+ HV* old_stash = gv_stashpv(hvname,0);
return (SV*) old_stash;
}
}
SvREFCNT(dstr) = 0; /* must be before any other dups! */
#ifdef DEBUGGING
- if (SvANY(sstr) && PL_watch_pvx && SvPVX(sstr) == PL_watch_pvx)
+ if (SvANY(sstr) && PL_watch_pvx && SvPVX_const(sstr) == PL_watch_pvx)
PerlIO_printf(Perl_debug_log, "watch at %p hit, found string \"%s\"\n",
- PL_watch_pvx, SvPVX(sstr));
+ PL_watch_pvx, SvPVX_const(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_IV:
- SvANY(dstr) = new_XIV();
+ SvANY(dstr) = (XPVIV*)((char*)&(dstr->sv_u.svu_iv) - STRUCT_OFFSET(XPVIV, xiv_iv));
SvIV_set(dstr, SvIVX(sstr));
break;
case SVt_NV:
SvNV_set(dstr, SvNVX(sstr));
break;
case SVt_RV:
- SvANY(dstr) = new_XRV();
+ SvANY(dstr) = &(dstr->sv_u.svu_rv);
Perl_rvpv_dup(aTHX_ dstr, sstr, param);
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);
ptr_table_store(PL_ptr_table, sstr, dstr);
#if 0
PerlIO_printf(Perl_debug_log, "sv_dup: sharing %s::%s\n",
- HvNAME(GvSTASH(share)), GvNAME(share));
+ HvNAME_get(GvSTASH(share)), GvNAME(share));
#endif
break;
}
}
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);
- 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);
- AvARYLEN((AV*)dstr) = sv_dup_inc(AvARYLEN((AV*)sstr), param);
- AvFLAGS((AV*)dstr) = AvFLAGS((AV*)sstr);
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
if (AvARRAY((AV*)sstr)) {
SV **dst_ary, **src_ary;
SSize_t items = AvFILLp((AV*)sstr) + 1;
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);
- 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);
- HvRITER((HV*)dstr) = HvRITER((HV*)sstr);
- if (HvARRAY((HV*)sstr)) {
- STRLEN i = 0;
- XPVHV *dxhv = (XPVHV*)SvANY(dstr);
- XPVHV *sxhv = (XPVHV*)SvANY(sstr);
- Newz(0, dxhv->xhv_array,
- PERL_HV_ARRAY_ALLOC_BYTES(dxhv->xhv_max+1), char);
- while (i <= sxhv->xhv_max) {
- ((HE**)dxhv->xhv_array)[i] = he_dup(((HE**)sxhv->xhv_array)[i],
- (bool)!!HvSHAREKEYS(sstr),
- param);
- ++i;
+ SvCUR_set(dstr, SvCUR(sstr));
+ SvLEN_set(dstr, SvLEN(sstr));
+ HvTOTALKEYS(dstr) = HvTOTALKEYS(sstr);
+ SvMAGIC_set(dstr, mg_dup(SvMAGIC(sstr), param));
+ SvSTASH_set(dstr, hv_dup_inc(SvSTASH(sstr), param));
+ {
+ HEK *hvname = 0;
+
+ if (HvARRAY((HV*)sstr)) {
+ STRLEN i = 0;
+ const bool sharekeys = !!HvSHAREKEYS(sstr);
+ XPVHV * const dxhv = (XPVHV*)SvANY(dstr);
+ XPVHV * const sxhv = (XPVHV*)SvANY(sstr);
+ char *darray;
+ New(0, darray,
+ PERL_HV_ARRAY_ALLOC_BYTES(dxhv->xhv_max+1)
+ + (SvOOK(sstr) ? sizeof(struct xpvhv_aux) : 0), char);
+ HvARRAY(dstr) = (HE**)darray;
+ while (i <= sxhv->xhv_max) {
+ HE *source = HvARRAY(sstr)[i];
+ HvARRAY(dstr)[i]
+ = source ? he_dup(source, sharekeys, param) : 0;
+ ++i;
+ }
+ if (SvOOK(sstr)) {
+ struct xpvhv_aux *saux = HvAUX(sstr);
+ struct xpvhv_aux *daux = HvAUX(dstr);
+ /* This flag isn't copied. */
+ /* SvOOK_on(hv) attacks the IV flags. */
+ SvFLAGS(dstr) |= SVf_OOK;
+
+ hvname = saux->xhv_name;
+ daux->xhv_name = hvname ? hek_dup(hvname, param) : hvname;
+
+ daux->xhv_riter = saux->xhv_riter;
+ daux->xhv_eiter = saux->xhv_eiter
+ ? he_dup(saux->xhv_eiter, (bool)!!HvSHAREKEYS(sstr),
+ param) : 0;
+ }
+ }
+ else {
+ SvPV_set(dstr, Nullch);
}
- dxhv->xhv_eiter = he_dup(sxhv->xhv_eiter,
- (bool)!!HvSHAREKEYS(sstr), param);
+ /* Record stashes for possible cloning in Perl_clone(). */
+ if(hvname)
+ av_push(param->stashes, dstr);
}
- else {
- SvPVX(dstr) = Nullch;
- HvEITER((HV*)dstr) = (HE*)NULL;
- }
- HvPMROOT((HV*)dstr) = HvPMROOT((HV*)sstr); /* XXX */
- HvNAME((HV*)dstr) = SAVEPV(HvNAME((HV*)sstr));
- /* Record stashes for possible cloning in Perl_clone(). */
- if(HvNAME((HV*)dstr))
- av_push(param->stashes, dstr);
break;
case SVt_PVFM:
SvANY(dstr) = new_XPVFM();
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);
long longval;
GP *gp;
IV iv;
- I32 i;
char *c = NULL;
void (*dptr) (void*);
void (*dxptr) (pTHX_ void*);
Newz(54, nss, max, ANY);
while (ix > 0) {
- i = POPINT(ss,ix);
+ I32 i = POPINT(ss,ix);
TOPINT(nss,ix) = i;
switch (i) {
case SAVEt_ITEM: /* normal string */
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */
dptr = POPDPTR(ss,ix);
- TOPDPTR(nss,ix) = (void (*)(void*))any_dup((void *)dptr, proto_perl);
+ TOPDPTR(nss,ix) = DPTR2FPTR(void (*)(void*),
+ any_dup(FPTR2DPTR(void *, dptr),
+ proto_perl));
break;
case SAVEt_DESTRUCTOR_X:
ptr = POPPTR(ss,ix);
TOPPTR(nss,ix) = any_dup(ptr, proto_perl); /* XXX quite arbitrary */
dxptr = POPDXPTR(ss,ix);
- TOPDXPTR(nss,ix) = (void (*)(pTHX_ void*))any_dup((void *)dxptr, proto_perl);
+ TOPDXPTR(nss,ix) = DPTR2FPTR(void (*)(pTHX_ void*),
+ any_dup(FPTR2DPTR(void *, dxptr),
+ proto_perl));
break;
case SAVEt_REGCONTEXT:
case SAVEt_ALLOC:
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)
+{
+ const HEK *hvname = HvNAME_HEK((HV*)sv);
+ if (hvname) {
+ 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(newSVhek(hvname)));
+ 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;
param->proto_perl = proto_perl;
/* arena roots */
- PL_xiv_arenaroot = NULL;
- PL_xiv_root = NULL;
PL_xnv_arenaroot = NULL;
PL_xnv_root = NULL;
- PL_xrv_arenaroot = NULL;
- PL_xrv_root = NULL;
PL_xpv_arenaroot = NULL;
PL_xpv_root = NULL;
PL_xpviv_arenaroot = NULL;
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;
PL_debug = proto_perl->Idebug;
+ PL_hash_seed = proto_perl->Ihash_seed;
+ PL_rehash_seed = proto_perl->Irehash_seed;
+
#ifdef USE_REENTRANT_API
/* XXX: things like -Dm will segfault here in perlio, but doing
* PERL_SET_CONTEXT(proto_perl);
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);
/* create (a non-shared!) shared string table */
PL_strtab = newHV();
HvSHAREKEYS_off(PL_strtab);
- hv_ksplit(PL_strtab, 512);
+ hv_ksplit(PL_strtab, HvTOTALKEYS(proto_perl->Istrtab));
ptr_table_store(PL_ptr_table, proto_perl->Istrtab, PL_strtab);
PL_compiling = proto_perl->Icompiling;
/* Clone the regex array */
PL_regex_padav = newAV();
{
- I32 len = av_len((AV*)proto_perl->Iregex_padav);
+ const I32 len = av_len((AV*)proto_perl->Iregex_padav);
SV** regexen = AvARRAY((AV*)proto_perl->Iregex_padav);
+ IV i;
av_push(PL_regex_padav,
sv_dup_inc(regexen[0],param));
for(i = 1; i <= len; i++) {
*/
if (SvANY(proto_perl->Ilinestr)) {
PL_linestr = sv_dup_inc(proto_perl->Ilinestr, param);
- i = proto_perl->Ibufptr - SvPVX(proto_perl->Ilinestr);
+ i = proto_perl->Ibufptr - SvPVX_const(proto_perl->Ilinestr);
PL_bufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i);
- i = proto_perl->Ioldbufptr - SvPVX(proto_perl->Ilinestr);
+ i = proto_perl->Ioldbufptr - SvPVX_const(proto_perl->Ilinestr);
PL_oldbufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i);
- i = proto_perl->Ioldoldbufptr - SvPVX(proto_perl->Ilinestr);
+ i = proto_perl->Ioldoldbufptr - SvPVX_const(proto_perl->Ilinestr);
PL_oldoldbufptr = SvPVX(PL_linestr) + (i < 0 ? 0 : i);
- i = proto_perl->Ilinestart - SvPVX(proto_perl->Ilinestr);
+ i = proto_perl->Ilinestart - SvPVX_const(proto_perl->Ilinestr);
PL_linestart = SvPVX(PL_linestr) + (i < 0 ? 0 : i);
}
else {
/* XXX See comment on SvANY(proto_perl->Ilinestr) above */
if (SvANY(proto_perl->Ilinestr)) {
- i = proto_perl->Ilast_uni - SvPVX(proto_perl->Ilinestr);
+ i = proto_perl->Ilast_uni - SvPVX_const(proto_perl->Ilinestr);
PL_last_uni = SvPVX(PL_linestr) + (i < 0 ? 0 : i);
- i = proto_perl->Ilast_lop - SvPVX(proto_perl->Ilinestr);
+ i = proto_perl->Ilast_lop - SvPVX_const(proto_perl->Ilinestr);
PL_last_lop = SvPVX(PL_linestr) + (i < 0 ? 0 : i);
PL_last_lop_op = proto_perl->Ilast_lop_op;
}
PL_glob_index = proto_perl->Iglob_index;
PL_srand_called = proto_perl->Isrand_called;
- PL_hash_seed = proto_perl->Ihash_seed;
- PL_rehash_seed = proto_perl->Irehash_seed;
PL_uudmap['M'] = 0; /* reinits on demand */
PL_bitcount = Nullch; /* reinits on demand */
PL_reg_curpm = (PMOP*)NULL;
PL_reg_oldsaved = Nullch;
PL_reg_oldsavedlen = 0;
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
PL_nrs = Nullsv;
#endif
PL_reg_maxiter = 0;
ENTER;
SAVETMPS;
PUSHMARK(SP);
- XPUSHs(sv_2mortal(newSVpv(HvNAME(stash), 0)));
+ XPUSHs(sv_2mortal(newSVhek(HvNAME_HEK(stash))));
PUTBACK;
call_sv((SV*)GvCV(cloner), G_DISCARD);
FREETMPS;
SvREFCNT_dec(param->stashes);
+ /* orphaned? eg threads->new inside BEGIN or use */
+ if (PL_compcv && ! SvREFCNT(PL_compcv)) {
+ (void)SvREFCNT_inc(PL_compcv);
+ SAVEFREESV(PL_compcv);
+ }
+
return my_perl;
}
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;
- char *s;
+ const char *s;
dSP;
ENTER;
SAVETMPS;
SPAGAIN;
uni = POPs;
PUTBACK;
- s = SvPV(uni, len);
- if (s != SvPVX(sv)) {
+ s = SvPV_const(uni, len);
+ if (s != SvPVX_const(sv)) {
SvGROW(sv, len + 1);
- Move(s, SvPVX(sv), len, char);
+ Move(s, SvPVX(sv), len + 1, char);
SvCUR_set(sv, len);
- SvPVX(sv)[len] = 0;
}
FREETMPS;
LEAVE;
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