}
#if defined(USE_ITHREADS)
+HEK *
+Perl_hek_dup(pTHX_ HEK *source, CLONE_PARAMS* param)
+{
+ HE *shared = (HE*)ptr_table_fetch(PL_shared_hek_table, source);
+
+ if (shared) {
+ /* We already shared this hash key. */
+ ++HeVAL(shared);
+ }
+ else {
+ shared = share_hek_flags(HEK_KEY(source), HEK_LEN(source),
+ HEK_HASH(source), HEK_FLAGS(source));
+ ptr_table_store(PL_shared_hek_table, source, shared);
+ }
+ return HeKEY_hek(shared);
+}
+
HE *
Perl_he_dup(pTHX_ HE *e, bool shared, CLONE_PARAMS* param)
{
HeKEY_hek(ret) = (HEK*)k;
HeKEY_sv(ret) = SvREFCNT_inc(sv_dup(HeKEY_sv(e), param));
}
- else if (shared)
- HeKEY_hek(ret) = share_hek_flags(HeKEY(e), HeKLEN(e), HeHASH(e),
- HeKFLAGS(e));
+ else if (shared) {
+ /* This is hek_dup inlined, which seems to be important for speed
+ reasons. */
+ HEK *source = HeKEY_hek(e);
+ HE *shared = (HE*)ptr_table_fetch(PL_shared_hek_table, source);
+
+ if (shared) {
+ /* We already shared this hash key. */
+ ++HeVAL(shared);
+ }
+ else {
+ shared = share_hek_flags(HEK_KEY(source), HEK_LEN(source),
+ HEK_HASH(source), HEK_FLAGS(source));
+ ptr_table_store(PL_shared_hek_table, source, shared);
+ }
+ HeKEY_hek(ret) = HeKEY_hek(shared);
+ }
else
HeKEY_hek(ret) = save_hek_flags(HeKEY(e), HeKLEN(e), HeHASH(e),
HeKFLAGS(e));
}
TAINT_IF(save_taint);
- if (!xhv->xhv_array /* !HvARRAY(hv) */ && !needs_store) {
+ if (!HvARRAY(hv) && !needs_store) {
if (flags & HVhek_FREEKEY)
Safefree(key);
return Nullhe;
} /* ISSTORE */
} /* SvMAGICAL */
- if (!xhv->xhv_array /* !HvARRAY(hv) */) {
+ if (!HvARRAY(hv)) {
if ((action & (HV_FETCH_LVALUE | HV_FETCH_ISSTORE))
#ifdef DYNAMIC_ENV_FETCH /* if it's an %ENV lookup, we may get it on the fly */
|| (SvRMAGICAL((SV*)hv) && mg_find((SV*)hv, PERL_MAGIC_env))
#endif
)
- Newz(503, xhv->xhv_array /* HvARRAY(hv) */,
+ Newz(503, HvARRAY(hv),
PERL_HV_ARRAY_ALLOC_BYTES(xhv->xhv_max+1 /* HvMAX(hv)+1 */),
- char);
+ HE*);
#ifdef DYNAMIC_ENV_FETCH
else if (action & HV_FETCH_ISEXISTS) {
/* for an %ENV exists, if we do an insert it's by a recursive
n_links = 0;
#ifdef DYNAMIC_ENV_FETCH
- if (!xhv->xhv_array /* !HvARRAY(hv) */) entry = Null(HE*);
+ if (!HvARRAY(hv)) entry = Null(HE*);
else
#endif
{
- /* entry = (HvARRAY(hv))[hash & (I32) HvMAX(hv)]; */
- entry = ((HE**)xhv->xhv_array)[hash & (I32) xhv->xhv_max];
+ entry = (HvARRAY(hv))[hash & (I32) HvMAX(hv)];
}
for (; entry; ++n_links, entry = HeNEXT(entry)) {
if (HeHASH(entry) != hash) /* strings can't be equal */
/* Need to swap the key we have for a key with the flags we
need. As keys are shared we can't just write to the
flag, so we share the new one, unshare the old one. */
- HEK *new_hek = share_hek_flags(key, klen, hash,
- masked_flags);
+ HEK *new_hek = HeKEY_hek(share_hek_flags(key, klen, hash,
+ masked_flags));
unshare_hek (HeKEY_hek(entry));
HeKEY_hek(entry) = new_hek;
}
/* Welcome to hv_store... */
- if (!xhv->xhv_array) {
+ if (!HvARRAY(hv)) {
/* Not sure if we can get here. I think the only case of oentry being
NULL is for %ENV with dynamic env fetch. But that should disappear
with magic in the previous code. */
- Newz(503, xhv->xhv_array /* HvARRAY(hv) */,
+ Newz(503, HvARRAY(hv),
PERL_HV_ARRAY_ALLOC_BYTES(xhv->xhv_max+1 /* HvMAX(hv)+1 */),
- char);
+ HE*);
}
- oentry = &((HE**)xhv->xhv_array)[hash & (I32) xhv->xhv_max];
+ oentry = &(HvARRAY(hv))[hash & (I32) xhv->xhv_max];
entry = new_HE();
/* share_hek_flags will do the free for us. This might be considered
bad API design. */
if (HvSHAREKEYS(hv))
- HeKEY_hek(entry) = share_hek_flags(key, klen, hash, flags);
+ HeKEY_hek(entry) = HeKEY_hek(share_hek_flags(key, klen, hash, flags));
else /* gotta do the real thing */
HeKEY_hek(entry) = save_hek_flags(key, klen, hash, flags);
HeVAL(entry) = val;
case PERL_MAGIC_tied:
case PERL_MAGIC_sig:
*needs_store = FALSE;
+ return; /* We've set all there is to set. */
}
}
mg = mg->mg_moremagic;
}
}
xhv = (XPVHV*)SvANY(hv);
- if (!xhv->xhv_array /* !HvARRAY(hv) */)
+ if (!HvARRAY(hv))
return Nullsv;
if (is_utf8) {
masked_flags = (k_flags & HVhek_MASK);
- /* oentry = &(HvARRAY(hv))[hash & (I32) HvMAX(hv)]; */
- oentry = &((HE**)xhv->xhv_array)[hash & (I32) xhv->xhv_max];
+ oentry = &(HvARRAY(hv))[hash & (I32) HvMAX(hv)];
entry = *oentry;
i = 1;
for (; entry; i=0, oentry = &HeNEXT(entry), entry = *oentry) {
const I32 oldsize = (I32) xhv->xhv_max+1; /* HvMAX(hv)+1 (sick) */
register I32 newsize = oldsize * 2;
register I32 i;
- register char *a = xhv->xhv_array; /* HvARRAY(hv) */
+ char *a = (char*) HvARRAY(hv);
register HE **aep;
register HE **oentry;
int longest_chain = 0;
/*PerlIO_printf(PerlIO_stderr(), "hsplit called for %p which had %d\n",
hv, (int) oldsize);*/
- if (HvPLACEHOLDERS(hv) && !SvREADONLY(hv)) {
+ if (HvPLACEHOLDERS_get(hv) && !SvREADONLY(hv)) {
/* Can make this clear any placeholders first for non-restricted hashes,
even though Storable rebuilds restricted hashes by putting in all the
placeholders (first) before turning on the readonly flag, because
PL_nomemok = FALSE;
return;
}
- Copy(xhv->xhv_array /* HvARRAY(hv) */, a, oldsize * sizeof(HE*), char);
+ Copy(HvARRAY(hv), a, oldsize * sizeof(HE*), char);
if (oldsize >= 64) {
- offer_nice_chunk(xhv->xhv_array /* HvARRAY(hv) */,
+ offer_nice_chunk(HvARRAY(hv),
PERL_HV_ARRAY_ALLOC_BYTES(oldsize));
}
else
- Safefree(xhv->xhv_array /* HvARRAY(hv) */);
+ Safefree(HvARRAY(hv));
#endif
PL_nomemok = FALSE;
Zero(&a[oldsize * sizeof(HE*)], (newsize-oldsize) * sizeof(HE*), char); /* zero 2nd half*/
xhv->xhv_max = --newsize; /* HvMAX(hv) = --newsize */
- xhv->xhv_array = a; /* HvARRAY(hv) = a */
+ HvARRAY(hv) = (HE**) a;
aep = (HE**)a;
for (i=0; i<oldsize; i++,aep++) {
HvSHAREKEYS_off(hv);
HvREHASH_on(hv);
- aep = (HE **) xhv->xhv_array;
+ aep = HvARRAY(hv);
for (i=0; i<newsize; i++,aep++) {
register HE *entry = *aep;
entry = next;
}
}
- Safefree (xhv->xhv_array);
- xhv->xhv_array = a; /* HvARRAY(hv) = a */
+ Safefree (HvARRAY(hv));
+ HvARRAY(hv) = (HE **)a;
}
void
if (newsize < newmax)
return; /* overflow detection */
- a = xhv->xhv_array; /* HvARRAY(hv) */
+ a = (char *) HvARRAY(hv);
if (a) {
PL_nomemok = TRUE;
#if defined(STRANGE_MALLOC) || defined(MYMALLOC)
PL_nomemok = FALSE;
return;
}
- Copy(xhv->xhv_array /* HvARRAY(hv) */, a, oldsize * sizeof(HE*), char);
+ Copy(HvARRAY(hv), a, oldsize * sizeof(HE*), char);
if (oldsize >= 64) {
- offer_nice_chunk(xhv->xhv_array /* HvARRAY(hv) */,
+ offer_nice_chunk(HvARRAY(hv),
PERL_HV_ARRAY_ALLOC_BYTES(oldsize));
}
else
- Safefree(xhv->xhv_array /* HvARRAY(hv) */);
+ Safefree(HvARRAY(hv));
#endif
PL_nomemok = FALSE;
Zero(&a[oldsize * sizeof(HE*)], (newsize-oldsize) * sizeof(HE*), char); /* zero 2nd half*/
Newz(0, a, PERL_HV_ARRAY_ALLOC_BYTES(newsize), char);
}
xhv->xhv_max = --newsize; /* HvMAX(hv) = --newsize */
- xhv->xhv_array = a; /* HvARRAY(hv) = a */
+ HvARRAY(hv) = (HE **) a;
if (!xhv->xhv_fill /* !HvFILL(hv) */) /* skip rest if no entries */
return;
ent = new_HE();
HeVAL(ent) = newSVsv(HeVAL(oent));
HeKEY_hek(ent)
- = shared ? share_hek_flags(key, len, hash, flags)
+ = shared ? HeKEY_hek(share_hek_flags(key, len, hash, flags))
: save_hek_flags(key, len, hash, flags);
if (prev)
HeNEXT(prev) = ent;
xhv = (XPVHV*)SvANY(hv);
- if (SvREADONLY(hv) && xhv->xhv_array != NULL) {
+ if (SvREADONLY(hv) && HvARRAY(hv) != NULL) {
/* restricted hash: convert all keys to placeholders */
I32 i;
for (i = 0; i <= (I32) xhv->xhv_max; i++) {
- HE *entry = ((HE**)xhv->xhv_array)[i];
+ HE *entry = (HvARRAY(hv))[i];
for (; entry; entry = HeNEXT(entry)) {
/* not already placeholder */
if (HeVAL(entry) != &PL_sv_placeholder) {
hfreeentries(hv);
HvPLACEHOLDERS_set(hv, 0);
- if (xhv->xhv_array /* HvARRAY(hv) */)
- (void)memzero(xhv->xhv_array /* HvARRAY(hv) */,
+ if (HvARRAY(hv))
+ (void)memzero(HvARRAY(hv),
(xhv->xhv_max+1 /* HvMAX(hv)+1 */) * sizeof(HE*));
if (SvRMAGICAL(hv))
Perl_hv_clear_placeholders(pTHX_ HV *hv)
{
dVAR;
- I32 items = (I32)HvPLACEHOLDERS(hv);
+ I32 items = (I32)HvPLACEHOLDERS_get(hv);
I32 i = HvMAX(hv);
if (items == 0)
if (--items == 0) {
/* Finished. */
- HvTOTALKEYS(hv) -= (IV)HvPLACEHOLDERS(hv);
+ HvTOTALKEYS(hv) -= (IV)HvPLACEHOLDERS_get(hv);
if (HvKEYS(hv) == 0)
HvHASKFLAGS_off(hv);
- HvPLACEHOLDERS(hv) = 0;
+ HvPLACEHOLDERS_set(hv, 0);
return;
}
} else {
HvLAZYDEL_off(hv);
hv_free_ent(hv, entry);
}
+ if (iter->xhv_name)
+ unshare_hek_or_pvn(iter->xhv_name, 0, 0, 0);
Safefree(iter);
((XPVHV*) SvANY(hv))->xhv_aux = 0;
}
DEBUG_A(Perl_hv_assert(aTHX_ hv));
xhv = (XPVHV*)SvANY(hv);
hfreeentries(hv);
- Safefree(xhv->xhv_array /* HvARRAY(hv) */);
+ Safefree(HvARRAY(hv));
if ((name = HvNAME_get(hv))) {
- /* FIXME - strlen HvNAME */
if(PL_stashcache)
- hv_delete(PL_stashcache, name, strlen(name), G_DISCARD);
+ hv_delete(PL_stashcache, name, HvNAMELEN_get(hv), G_DISCARD);
Perl_hv_name_set(aTHX_ hv, 0, 0, 0);
}
xhv->xhv_max = 7; /* HvMAX(hv) = 7 (it's a normal hash) */
- xhv->xhv_array = 0; /* HvARRAY(hv) = 0 */
+ HvARRAY(hv) = 0;
HvPLACEHOLDERS_set(hv, 0);
if (SvRMAGICAL(hv))
}
struct xpvhv_aux*
-S_hv_auxinit(aTHX) {
+S_hv_auxinit(pTHX) {
struct xpvhv_aux *iter;
New(0, iter, 1, struct xpvhv_aux);
}
/* used to be xhv->xhv_fill before 5.004_65 */
- return XHvTOTALKEYS(xhv);
+ return HvTOTALKEYS(hv);
}
I32 *
iter->xhv_eiter = eiter;
}
-
-char **
-Perl_hv_name_p(pTHX_ HV *hv)
-{
- struct xpvhv_aux *iter = ((XPVHV *)SvANY(hv))->xhv_aux;
-
- if (!iter) {
- ((XPVHV *)SvANY(hv))->xhv_aux = iter = S_hv_auxinit(aTHX);
- }
- return &(iter->xhv_name);
-}
-
void
-Perl_hv_name_set(pTHX_ HV *hv, const char *name, STRLEN len, int flags)
+Perl_hv_name_set(pTHX_ HV *hv, const char *name, I32 len, int flags)
{
struct xpvhv_aux *iter = ((XPVHV *)SvANY(hv))->xhv_aux;
+ U32 hash;
- if (!iter) {
+ if (iter) {
+ if (iter->xhv_name) {
+ unshare_hek_or_pvn(iter->xhv_name, 0, 0, 0);
+ }
+ } else {
if (name == 0)
return;
((XPVHV *)SvANY(hv))->xhv_aux = iter = S_hv_auxinit(aTHX);
}
- iter->xhv_name = savepvn(name, len);
+ PERL_HASH(hash, name, len);
+ iter->xhv_name = name ? share_hek(name, len, hash) : 0;
}
/*
prime_env_iter();
#endif
- if (!xhv->xhv_array /* !HvARRAY(hv) */)
- Newz(506, xhv->xhv_array /* HvARRAY(hv) */,
+ if (!HvARRAY(hv)) {
+ char *darray;
+ Newz(506, darray,
PERL_HV_ARRAY_ALLOC_BYTES(xhv->xhv_max+1 /* HvMAX(hv)+1 */),
char);
+ HvARRAY(hv) = (HE**) darray;
+ }
/* At start of hash, entry is NULL. */
if (entry)
{
iter->xhv_riter = -1; /* HvRITER(hv) = -1 */
break;
}
- /* entry = (HvARRAY(hv))[HvRITER(hv)]; */
- entry = ((HE**)xhv->xhv_array)[iter->xhv_riter];
+ entry = (HvARRAY(hv))[iter->xhv_riter];
if (!(flags & HV_ITERNEXT_WANTPLACEHOLDERS)) {
/* If we have an entry, but it's a placeholder, don't count it.
register XPVHV* xhv;
register HE *entry;
register HE **oentry;
- register I32 i = 1;
+ HE **first;
bool found = 0;
bool is_utf8 = FALSE;
int k_flags = 0;
xhv = (XPVHV*)SvANY(PL_strtab);
/* assert(xhv_array != 0) */
LOCK_STRTAB_MUTEX;
- /* oentry = &(HvARRAY(hv))[hash & (I32) HvMAX(hv)]; */
- oentry = &((HE**)xhv->xhv_array)[hash & (I32) xhv->xhv_max];
+ first = oentry = &(HvARRAY(PL_strtab))[hash & (I32) HvMAX(PL_strtab)];
if (hek) {
- for (entry = *oentry; entry; i=0, oentry = &HeNEXT(entry), entry = *oentry) {
+ for (entry = *oentry; entry; oentry = &HeNEXT(entry), entry = *oentry) {
if (HeKEY_hek(entry) != hek)
continue;
found = 1;
}
} else {
const int flags_masked = k_flags & HVhek_MASK;
- for (entry = *oentry; entry; i=0, oentry = &HeNEXT(entry), entry = *oentry) {
+ for (entry = *oentry; entry; oentry = &HeNEXT(entry), entry = *oentry) {
if (HeHASH(entry) != hash) /* strings can't be equal */
continue;
if (HeKLEN(entry) != len)
if (found) {
if (--HeVAL(entry) == Nullsv) {
*oentry = HeNEXT(entry);
- if (i && !*oentry)
+ if (!*first) {
+ /* There are now no entries in our slot. */
xhv->xhv_fill--; /* HvFILL(hv)-- */
+ }
Safefree(HeKEY_hek(entry));
del_HE(entry);
xhv->xhv_keys--; /* HvKEYS(hv)-- */
flags |= HVhek_WASUTF8 | HVhek_FREEKEY;
}
- return share_hek_flags (str, len, hash, flags);
+ return HeKEY_hek(share_hek_flags (str, len, hash, flags));
}
-STATIC HEK *
+STATIC HE *
S_share_hek_flags(pTHX_ const char *str, I32 len, register U32 hash, int flags)
{
register XPVHV* xhv;
register HE *entry;
register HE **oentry;
- register I32 i = 1;
I32 found = 0;
const int flags_masked = flags & HVhek_MASK;
xhv = (XPVHV*)SvANY(PL_strtab);
/* assert(xhv_array != 0) */
LOCK_STRTAB_MUTEX;
- /* oentry = &(HvARRAY(hv))[hash & (I32) HvMAX(hv)]; */
- oentry = &((HE**)xhv->xhv_array)[hash & (I32) xhv->xhv_max];
- for (entry = *oentry; entry; i=0, entry = HeNEXT(entry)) {
+ oentry = &(HvARRAY(PL_strtab))[hash & (I32) HvMAX(PL_strtab)];
+ for (entry = *oentry; entry; entry = HeNEXT(entry)) {
if (HeHASH(entry) != hash) /* strings can't be equal */
continue;
if (HeKLEN(entry) != len)
break;
}
if (!found) {
+ /* What used to be head of the list.
+ If this is NULL, then we're the first entry for this slot, which
+ means we need to increate fill. */
+ const HE *old_first = *oentry;
entry = new_HE();
HeKEY_hek(entry) = save_hek_flags(str, len, hash, flags_masked);
HeVAL(entry) = Nullsv;
HeNEXT(entry) = *oentry;
*oentry = entry;
xhv->xhv_keys++; /* HvKEYS(hv)++ */
- if (i) { /* initial entry? */
+ if (!old_first) { /* initial entry? */
xhv->xhv_fill++; /* HvFILL(hv)++ */
} else if (xhv->xhv_keys > (IV)xhv->xhv_max /* HvKEYS(hv) > HvMAX(hv) */) {
hsplit(PL_strtab);
if (flags & HVhek_FREEKEY)
Safefree(str);
- return HeKEY_hek(entry);
+ return entry;
}
I32 *
(int) real, (int) HvUSEDKEYS(hv));
bad = 1;
}
- if (HvPLACEHOLDERS(hv) != placeholders) {
+ if (HvPLACEHOLDERS_get(hv) != placeholders) {
PerlIO_printf(Perl_debug_log,
"Count %d placeholder(s), but hash reports %d\n",
- (int) placeholders, (int) HvPLACEHOLDERS(hv));
+ (int) placeholders, (int) HvPLACEHOLDERS_get(hv));
bad = 1;
}
}
projects / p5sagit/p5-mst-13.2.git / blobdiff