if (mg) {
SV *arg1 = sv_newmortal();
sv_setiv(arg1, (IV)(key + 1));
- Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, "EXTEND", G_DISCARD, 1,
+ Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, SV_CONST(EXTEND), G_DISCARD, 1,
arg1);
return;
}
- if (key > AvMAX(av)) {
+ av_extend_guts(av,key,&AvMAX(av),&AvALLOC(av),&AvARRAY(av));
+}
+
+/* The guts of av_extend. *Not* for general use! */
+void
+Perl_av_extend_guts(pTHX_ AV *av, I32 key, SSize_t *maxp, SV ***allocp,
+ SV ***arrayp)
+{
+ dVAR;
+
+ PERL_ARGS_ASSERT_AV_EXTEND_GUTS;
+
+ if (key > *maxp) {
SV** ary;
I32 tmp;
I32 newmax;
- if (AvALLOC(av) != AvARRAY(av)) {
- ary = AvALLOC(av) + AvFILLp(av) + 1;
- tmp = AvARRAY(av) - AvALLOC(av);
- Move(AvARRAY(av), AvALLOC(av), AvFILLp(av)+1, SV*);
- AvMAX(av) += tmp;
- AvARRAY(av) = AvALLOC(av);
+ if (av && *allocp != *arrayp) {
+ ary = *allocp + AvFILLp(av) + 1;
+ tmp = *arrayp - *allocp;
+ Move(*arrayp, *allocp, AvFILLp(av)+1, SV*);
+ *maxp += tmp;
+ *arrayp = *allocp;
if (AvREAL(av)) {
while (tmp)
ary[--tmp] = &PL_sv_undef;
}
- if (key > AvMAX(av) - 10) {
- newmax = key + AvMAX(av);
+ if (key > *maxp - 10) {
+ newmax = key + *maxp;
goto resize;
}
}
"Out of memory during array extend"; /* Duplicated in pp_hot.c */
#endif
- if (AvALLOC(av)) {
-#if !defined(STRANGE_MALLOC) && !defined(MYMALLOC)
- MEM_SIZE bytes;
- IV itmp;
-#endif
+ if (*allocp) {
#ifdef Perl_safesysmalloc_size
/* Whilst it would be quite possible to move this logic around
memory that might never be read. So, I feel, better to keep
the current lazy system of only writing to it if our caller
has a need for more space. NWC */
- newmax = Perl_safesysmalloc_size((void*)AvALLOC(av)) /
+ newmax = Perl_safesysmalloc_size((void*)*allocp) /
sizeof(const SV *) - 1;
if (key <= newmax)
goto resized;
#endif
- newmax = key + AvMAX(av) / 5;
+ newmax = key + *maxp / 5;
resize:
MEM_WRAP_CHECK_1(newmax+1, SV*, oom_array_extend);
-#if defined(STRANGE_MALLOC) || defined(MYMALLOC)
- Renew(AvALLOC(av),newmax+1, SV*);
-#else
- bytes = (newmax + 1) * sizeof(const SV *);
-#define MALLOC_OVERHEAD 16
- itmp = MALLOC_OVERHEAD;
- while ((MEM_SIZE)(itmp - MALLOC_OVERHEAD) < bytes)
- itmp += itmp;
- itmp -= MALLOC_OVERHEAD;
- itmp /= sizeof(const SV *);
- assert(itmp > newmax);
- newmax = itmp - 1;
- assert(newmax >= AvMAX(av));
- Newx(ary, newmax+1, SV*);
- Copy(AvALLOC(av), ary, AvMAX(av)+1, SV*);
- Safefree(AvALLOC(av));
- AvALLOC(av) = ary;
-#endif
+ Renew(*allocp,newmax+1, SV*);
#ifdef Perl_safesysmalloc_size
resized:
#endif
- ary = AvALLOC(av) + AvMAX(av) + 1;
- tmp = newmax - AvMAX(av);
+ ary = *allocp + *maxp + 1;
+ tmp = newmax - *maxp;
if (av == PL_curstack) { /* Oops, grew stack (via av_store()?) */
- PL_stack_sp = AvALLOC(av) + (PL_stack_sp - PL_stack_base);
- PL_stack_base = AvALLOC(av);
+ PL_stack_sp = *allocp + (PL_stack_sp - PL_stack_base);
+ PL_stack_base = *allocp;
PL_stack_max = PL_stack_base + newmax;
}
}
else {
newmax = key < 3 ? 3 : key;
MEM_WRAP_CHECK_1(newmax+1, SV*, oom_array_extend);
- Newx(AvALLOC(av), newmax+1, SV*);
- ary = AvALLOC(av) + 1;
+ Newx(*allocp, newmax+1, SV*);
+ ary = *allocp + 1;
tmp = newmax;
- AvALLOC(av)[0] = &PL_sv_undef; /* For the stacks */
+ *allocp[0] = &PL_sv_undef; /* For the stacks */
}
- if (AvREAL(av)) {
+ if (av && AvREAL(av)) {
while (tmp)
ary[--tmp] = &PL_sv_undef;
}
- AvARRAY(av) = AvALLOC(av);
- AvMAX(av) = newmax;
+ *arrayp = *allocp;
+ *maxp = newmax;
}
}
}
=cut
*/
+static bool
+S_adjust_index(pTHX_ AV *av, const MAGIC *mg, I32 *keyp)
+{
+ bool adjust_index = 1;
+ if (mg) {
+ /* Handle negative array indices 20020222 MJD */
+ SV * const ref = SvTIED_obj(MUTABLE_SV(av), mg);
+ SvGETMAGIC(ref);
+ if (SvROK(ref) && SvOBJECT(SvRV(ref))) {
+ SV * const * const negative_indices_glob =
+ hv_fetchs(SvSTASH(SvRV(ref)), NEGATIVE_INDICES_VAR, 0);
+
+ if (negative_indices_glob && SvTRUE(GvSV(*negative_indices_glob)))
+ adjust_index = 0;
+ }
+ }
+
+ if (adjust_index) {
+ *keyp += AvFILL(av) + 1;
+ if (*keyp < 0)
+ return FALSE;
+ }
+ return TRUE;
+}
+
SV**
-Perl_av_fetch(pTHX_ register AV *av, I32 key, I32 lval)
+Perl_av_fetch(pTHX_ AV *av, I32 key, I32 lval)
{
dVAR;
if (tied_magic || mg_find((const SV *)av, PERL_MAGIC_regdata)) {
SV *sv;
if (key < 0) {
- I32 adjust_index = 1;
- if (tied_magic) {
- /* Handle negative array indices 20020222 MJD */
- SV * const * const negative_indices_glob =
- hv_fetch(SvSTASH(SvRV(SvTIED_obj(MUTABLE_SV(av),
- tied_magic))),
- NEGATIVE_INDICES_VAR, 16, 0);
-
- if (negative_indices_glob && SvTRUE(GvSV(*negative_indices_glob)))
- adjust_index = 0;
- }
-
- if (adjust_index) {
- key += AvFILL(av) + 1;
- if (key < 0)
+ if (!S_adjust_index(aTHX_ av, tied_magic, &key))
return NULL;
- }
}
sv = sv_newmortal();
*/
SV**
-Perl_av_store(pTHX_ register AV *av, I32 key, SV *val)
+Perl_av_store(pTHX_ AV *av, I32 key, SV *val)
{
dVAR;
SV** ary;
if (SvRMAGICAL(av)) {
const MAGIC * const tied_magic = mg_find((const SV *)av, PERL_MAGIC_tied);
if (tied_magic) {
- /* Handle negative array indices 20020222 MJD */
if (key < 0) {
- bool adjust_index = 1;
- SV * const * const negative_indices_glob =
- hv_fetch(SvSTASH(SvRV(SvTIED_obj(MUTABLE_SV(av),
- tied_magic))),
- NEGATIVE_INDICES_VAR, 16, 0);
- if (negative_indices_glob
- && SvTRUE(GvSV(*negative_indices_glob)))
- adjust_index = 0;
- if (adjust_index) {
- key += AvFILL(av) + 1;
- if (key < 0)
+ if (!S_adjust_index(aTHX_ av, tied_magic, &key))
return 0;
- }
}
if (val != &PL_sv_undef) {
mg_copy(MUTABLE_SV(av), val, 0, key);
}
if (SvREADONLY(av) && key >= AvFILL(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
if (!AvREAL(av) && AvREIFY(av))
av_reify(av);
*/
AV *
-Perl_av_make(pTHX_ register I32 size, register SV **strp)
+Perl_av_make(pTHX_ I32 size, SV **strp)
{
- register AV * const av = MUTABLE_AV(newSV_type(SVt_PVAV));
+ AV * const av = MUTABLE_AV(newSV_type(SVt_PVAV));
/* sv_upgrade does AvREAL_only() */
PERL_ARGS_ASSERT_AV_MAKE;
assert(SvTYPE(av) == SVt_PVAV);
if (size) { /* "defined" was returning undef for size==0 anyway. */
- register SV** ary;
- register I32 i;
+ SV** ary;
+ I32 i;
Newx(ary,size,SV*);
AvALLOC(av) = ary;
AvARRAY(av) = ary;
- AvFILLp(av) = AvMAX(av) = size - 1;
+ AvMAX(av) = size - 1;
+ AvFILLp(av) = -1;
+ ENTER;
+ SAVEFREESV(av);
for (i = 0; i < size; i++) {
assert (*strp);
have multiple references to the same temp scalar (e.g.
from a list slice) */
+ SvGETMAGIC(*strp); /* before newSV, in case it dies */
+ AvFILLp(av)++;
ary[i] = newSV(0);
sv_setsv_flags(ary[i], *strp,
- SV_GMAGIC|SV_DO_COW_SVSETSV|SV_NOSTEAL);
+ SV_DO_COW_SVSETSV|SV_NOSTEAL);
strp++;
}
+ SvREFCNT_inc_simple_void_NN(av);
+ LEAVE;
}
return av;
}
*/
void
-Perl_av_clear(pTHX_ register AV *av)
+Perl_av_clear(pTHX_ AV *av)
{
dVAR;
I32 extra;
#endif
if (SvREADONLY(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
/* Give any tie a chance to cleanup first */
if (SvRMAGICAL(av)) {
*/
void
-Perl_av_undef(pTHX_ register AV *av)
+Perl_av_undef(pTHX_ AV *av)
{
bool real;
av_fill(av, -1);
if ((real = !!AvREAL(av))) {
- register I32 key = AvFILLp(av) + 1;
+ I32 key = AvFILLp(av) + 1;
ENTER;
SAVEFREESV(SvREFCNT_inc_simple_NN(av));
while (key)
*/
void
-Perl_av_push(pTHX_ register AV *av, SV *val)
+Perl_av_push(pTHX_ AV *av, SV *val)
{
dVAR;
MAGIC *mg;
assert(SvTYPE(av) == SVt_PVAV);
if (SvREADONLY(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
if ((mg = SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) {
- Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, "PUSH", G_DISCARD, 1,
+ Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, SV_CONST(PUSH), G_DISCARD, 1,
val);
return;
}
/*
=for apidoc av_pop
-Pops an SV off the end of the array. Returns C<&PL_sv_undef> if the array
-is empty.
+Removes one SV from the end of the array, reducing its size by one and
+returning the SV (transferring control of one reference count) to the
+caller. Returns C<&PL_sv_undef> if the array is empty.
Perl equivalent: C<pop(@myarray);>
*/
SV *
-Perl_av_pop(pTHX_ register AV *av)
+Perl_av_pop(pTHX_ AV *av)
{
dVAR;
SV *retval;
assert(SvTYPE(av) == SVt_PVAV);
if (SvREADONLY(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
if ((mg = SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) {
- retval = Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, "POP", 0, 0);
+ retval = Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, SV_CONST(POP), 0, 0);
if (retval)
retval = newSVsv(retval);
return retval;
must then use C<av_store> to assign values to these new elements.
Perl equivalent: C<unshift @myarray, ( (undef) x $n );>
-
+
=cut
*/
void
-Perl_av_unshift(pTHX_ register AV *av, register I32 num)
+Perl_av_unshift(pTHX_ AV *av, I32 num)
{
dVAR;
- register I32 i;
+ I32 i;
MAGIC* mg;
PERL_ARGS_ASSERT_AV_UNSHIFT;
assert(SvTYPE(av) == SVt_PVAV);
if (SvREADONLY(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
if ((mg = SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) {
- Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, "UNSHIFT",
+ Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, SV_CONST(UNSHIFT),
G_DISCARD | G_UNDEF_FILL, num);
return;
}
AvARRAY(av) = AvARRAY(av) - i;
}
if (num) {
- register SV **ary;
+ SV **ary;
const I32 i = AvFILLp(av);
/* Create extra elements */
const I32 slide = i > 0 ? i : 0;
/*
=for apidoc av_shift
-Shifts an SV off the beginning of the
-array. Returns C<&PL_sv_undef> if the
-array is empty.
+Removes one SV from the start of the array, reducing its size by one and
+returning the SV (transferring control of one reference count) to the
+caller. Returns C<&PL_sv_undef> if the array is empty.
Perl equivalent: C<shift(@myarray);>
*/
SV *
-Perl_av_shift(pTHX_ register AV *av)
+Perl_av_shift(pTHX_ AV *av)
{
dVAR;
SV *retval;
assert(SvTYPE(av) == SVt_PVAV);
if (SvREADONLY(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
if ((mg = SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) {
- retval = Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, "SHIFT", 0, 0);
+ retval = Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, SV_CONST(SHIFT), 0, 0);
if (retval)
retval = newSVsv(retval);
return retval;
}
/*
-=for apidoc av_len
+=for apidoc av_top_index
Returns the highest index in the array. The number of elements in the
-array is C<av_len(av) + 1>. Returns -1 if the array is empty.
+array is C<av_top_index(av) + 1>. Returns -1 if the array is empty.
The Perl equivalent for this is C<$#myarray>.
+(A slightly shorter form is C<av_tindex>.)
+
+=for apidoc av_len
+
+Same as L</av_top_index>. Returns the highest index in the array. Note that the
+return value is +1 what its name implies it returns; and hence differs in
+meaning from what the similarly named L</sv_len> returns.
+
=cut
*/
Perl_av_len(pTHX_ AV *av)
{
PERL_ARGS_ASSERT_AV_LEN;
- assert(SvTYPE(av) == SVt_PVAV);
- return AvFILL(av);
+ return av_top_index(av);
}
/*
=cut
*/
void
-Perl_av_fill(pTHX_ register AV *av, I32 fill)
+Perl_av_fill(pTHX_ AV *av, I32 fill)
{
dVAR;
MAGIC *mg;
if ((mg = SvTIED_mg((const SV *)av, PERL_MAGIC_tied))) {
SV *arg1 = sv_newmortal();
sv_setiv(arg1, (IV)(fill + 1));
- Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, "STORESIZE", G_DISCARD,
+ Perl_magic_methcall(aTHX_ MUTABLE_SV(av), mg, SV_CONST(STORESIZE), G_DISCARD,
1, arg1);
return;
}
assert(SvTYPE(av) == SVt_PVAV);
if (SvREADONLY(av))
- Perl_croak_no_modify(aTHX);
+ Perl_croak_no_modify();
if (SvRMAGICAL(av)) {
const MAGIC * const tied_magic
= mg_find((const SV *)av, PERL_MAGIC_tied);
if ((tied_magic || mg_find((const SV *)av, PERL_MAGIC_regdata))) {
- /* Handle negative array indices 20020222 MJD */
SV **svp;
if (key < 0) {
- unsigned adjust_index = 1;
- if (tied_magic) {
- SV * const * const negative_indices_glob =
- hv_fetch(SvSTASH(SvRV(SvTIED_obj(MUTABLE_SV(av),
- tied_magic))),
- NEGATIVE_INDICES_VAR, 16, 0);
- if (negative_indices_glob
- && SvTRUE(GvSV(*negative_indices_glob)))
- adjust_index = 0;
- }
- if (adjust_index) {
- key += AvFILL(av) + 1;
- if (key < 0)
+ if (!S_adjust_index(aTHX_ av, tied_magic, &key))
return NULL;
- }
}
svp = av_fetch(av, key, TRUE);
if (svp) {
const MAGIC * const regdata_magic
= mg_find((const SV *)av, PERL_MAGIC_regdata);
if (tied_magic || regdata_magic) {
- SV * const sv = sv_newmortal();
MAGIC *mg;
/* Handle negative array indices 20020222 MJD */
if (key < 0) {
- unsigned adjust_index = 1;
- if (tied_magic) {
- SV * const * const negative_indices_glob =
- hv_fetch(SvSTASH(SvRV(SvTIED_obj(MUTABLE_SV(av),
- tied_magic))),
- NEGATIVE_INDICES_VAR, 16, 0);
- if (negative_indices_glob
- && SvTRUE(GvSV(*negative_indices_glob)))
- adjust_index = 0;
- }
- if (adjust_index) {
- key += AvFILL(av) + 1;
- if (key < 0)
+ if (!S_adjust_index(aTHX_ av, tied_magic, &key))
return FALSE;
- else
- return TRUE;
- }
}
if(key >= 0 && regdata_magic) {
else
return FALSE;
}
-
- mg_copy(MUTABLE_SV(av), sv, 0, key);
- mg = mg_find(sv, PERL_MAGIC_tiedelem);
- if (mg) {
- magic_existspack(sv, mg);
- return cBOOL(SvTRUE(sv));
- }
-
+ {
+ SV * const sv = sv_newmortal();
+ mg_copy(MUTABLE_SV(av), sv, 0, key);
+ mg = mg_find(sv, PERL_MAGIC_tiedelem);
+ if (mg) {
+ magic_existspack(sv, mg);
+ {
+ I32 retbool = SvTRUE_nomg_NN(sv);
+ return cBOOL(retbool);
+ }
+ }
+ }
}
}
https://perl5.git.perl.org / perl5.git / blobdiff