}
}
+PP(pp_dor)
+{
+ /* Most of this is lifted straight from pp_defined */
+ dSP;
+ register SV* sv;
+
+ sv = TOPs;
+ if (!sv || !SvANY(sv)) {
+ --SP;
+ RETURNOP(cLOGOP->op_other);
+ }
+
+ switch (SvTYPE(sv)) {
+ case SVt_PVAV:
+ if (AvMAX(sv) >= 0 || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied)))
+ RETURN;
+ break;
+ case SVt_PVHV:
+ if (HvARRAY(sv) || SvGMAGICAL(sv) || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied)))
+ RETURN;
+ break;
+ case SVt_PVCV:
+ if (CvROOT(sv) || CvXSUB(sv))
+ RETURN;
+ break;
+ default:
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
+ if (SvOK(sv))
+ RETURN;
+ }
+
+ --SP;
+ RETURNOP(cLOGOP->op_other);
+}
+
PP(pp_add)
{
dSP; dATARGET; bool useleft; tryAMAGICbin(add,opASSIGN);
goto had_magic;
if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
report_evil_fh(gv, io, PL_op->op_type);
- SETERRNO(EBADF,RMS$_IFI);
+ SETERRNO(EBADF,RMS_IFI);
goto just_say_no;
}
else if (!(fp = IoOFP(io))) {
else if (ckWARN2(WARN_UNOPENED,WARN_CLOSED))
report_evil_fh(gv, io, PL_op->op_type);
}
- SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
+ SETERRNO(EBADF,IoIFP(io)?RMS_FAC:RMS_IFI);
goto just_say_no;
}
else {
tryAMAGICunDEREF(to_hv);
hv = (HV*)SvRV(sv);
- if (SvTYPE(hv) != SVt_PVHV && SvTYPE(hv) != SVt_PVAV)
+ if (SvTYPE(hv) != SVt_PVHV)
DIE(aTHX_ "Not a HASH reference");
if (PL_op->op_flags & OPf_REF) {
SETs((SV*)hv);
}
}
else {
- if (SvTYPE(sv) == SVt_PVHV || SvTYPE(sv) == SVt_PVAV) {
+ if (SvTYPE(sv) == SVt_PVHV) {
hv = (HV*)sv;
if (PL_op->op_flags & OPf_REF) {
SETs((SV*)hv);
}
else {
dTARGET;
- if (SvTYPE(hv) == SVt_PVAV)
- hv = avhv_keys((AV*)hv);
if (HvFILL(hv))
Perl_sv_setpvf(aTHX_ TARG, "%"IVdf"/%"IVdf,
(IV)HvFILL(hv), (IV)HvMAX(hv) + 1);
}
}
-STATIC int
-S_do_maybe_phash(pTHX_ AV *ary, SV **lelem, SV **firstlelem, SV **relem,
- SV **lastrelem)
-{
- OP *leftop;
- I32 i;
-
- leftop = ((BINOP*)PL_op)->op_last;
- assert(leftop);
- assert(leftop->op_type == OP_NULL && leftop->op_targ == OP_LIST);
- leftop = ((LISTOP*)leftop)->op_first;
- assert(leftop);
- /* Skip PUSHMARK and each element already assigned to. */
- for (i = lelem - firstlelem; i > 0; i--) {
- leftop = leftop->op_sibling;
- assert(leftop);
- }
- if (leftop->op_type != OP_RV2HV)
- return 0;
-
- /* pseudohash */
- if (av_len(ary) > 0)
- av_fill(ary, 0); /* clear all but the fields hash */
- if (lastrelem >= relem) {
- while (relem < lastrelem) { /* gobble up all the rest */
- SV *tmpstr;
- assert(relem[0]);
- assert(relem[1]);
- /* Avoid a memory leak when avhv_store_ent dies. */
- tmpstr = sv_newmortal();
- sv_setsv(tmpstr,relem[1]); /* value */
- relem[1] = tmpstr;
- if (avhv_store_ent(ary,relem[0],tmpstr,0))
- (void)SvREFCNT_inc(tmpstr);
- if (SvMAGICAL(ary) != 0 && SvSMAGICAL(tmpstr))
- mg_set(tmpstr);
- relem += 2;
- TAINT_NOT;
- }
- }
- if (relem == lastrelem)
- return 1;
- return 2;
-}
-
STATIC void
S_do_oddball(pTHX_ HV *hash, SV **relem, SV **firstrelem)
{
if (*relem) {
SV *tmpstr;
- if (ckWARN(WARN_MISC)) {
+ HE *didstore;
+
+ if (ckWARN(WARN_MISC)) {
if (relem == firstrelem &&
SvROK(*relem) &&
(SvTYPE(SvRV(*relem)) == SVt_PVAV ||
Perl_warner(aTHX_ packWARN(WARN_MISC),
"Odd number of elements in hash assignment");
}
- if (SvTYPE(hash) == SVt_PVAV) {
- /* pseudohash */
- tmpstr = sv_newmortal();
- if (avhv_store_ent((AV*)hash,*relem,tmpstr,0))
- (void)SvREFCNT_inc(tmpstr);
- if (SvMAGICAL(hash) && SvSMAGICAL(tmpstr))
- mg_set(tmpstr);
- }
- else {
- HE *didstore;
- tmpstr = NEWSV(29,0);
- didstore = hv_store_ent(hash,*relem,tmpstr,0);
- if (SvMAGICAL(hash)) {
- if (SvSMAGICAL(tmpstr))
- mg_set(tmpstr);
- if (!didstore)
- sv_2mortal(tmpstr);
- }
- }
- TAINT_NOT;
+
+ tmpstr = NEWSV(29,0);
+ didstore = hv_store_ent(hash,*relem,tmpstr,0);
+ if (SvMAGICAL(hash)) {
+ if (SvSMAGICAL(tmpstr))
+ mg_set(tmpstr);
+ if (!didstore)
+ sv_2mortal(tmpstr);
+ }
+ TAINT_NOT;
}
}
case SVt_PVAV:
ary = (AV*)sv;
magic = SvMAGICAL(ary) != 0;
- if (PL_op->op_private & OPpASSIGN_HASH) {
- switch (do_maybe_phash(ary, lelem, firstlelem, relem,
- lastrelem))
- {
- case 0:
- goto normal_array;
- case 1:
- do_oddball((HV*)ary, relem, firstrelem);
- }
- relem = lastrelem + 1;
- break;
- }
- normal_array:
av_clear(ary);
av_extend(ary, lastrelem - relem);
i = 0;
call_method("READLINE", gimme);
LEAVE;
SPAGAIN;
- if (gimme == G_SCALAR)
- SvSetMagicSV_nosteal(TARG, TOPs);
+ if (gimme == G_SCALAR) {
+ SV* result = POPs;
+ SvSetSV_nosteal(TARG, result);
+ PUSHTARG;
+ }
RETURN;
}
fp = Nullfp;
tmplen = SvLEN(sv); /* remember if already alloced */
if (!tmplen)
Sv_Grow(sv, 80); /* try short-buffering it */
- if (type == OP_RCATLINE)
+ offset = 0;
+ if (type == OP_RCATLINE && SvOK(sv)) {
+ if (!SvPOK(sv)) {
+ STRLEN n_a;
+ (void)SvPV_force(sv, n_a);
+ }
offset = SvCUR(sv);
- else
- offset = 0;
+ }
}
else {
sv = sv_2mortal(NEWSV(57, 80));
U32 lval = PL_op->op_flags & OPf_MOD || LVRET;
U32 defer = PL_op->op_private & OPpLVAL_DEFER;
SV *sv;
+#ifdef PERL_COPY_ON_WRITE
+ U32 hash = (SvIsCOW_shared_hash(keysv)) ? SvUVX(keysv) : 0;
+#else
U32 hash = (SvFAKE(keysv) && SvREADONLY(keysv)) ? SvUVX(keysv) : 0;
+#endif
I32 preeminent = 0;
if (SvTYPE(hv) == SVt_PVHV) {
- if (PL_op->op_private & OPpLVAL_INTRO)
+ if (PL_op->op_private & OPpLVAL_INTRO) {
+ MAGIC *mg;
+ HV *stash;
+ /* does the element we're localizing already exist? */
preeminent =
- ( SvRMAGICAL(hv)
- && !mg_find((SV*)hv, PERL_MAGIC_tied)
- && !mg_find((SV*)hv, PERL_MAGIC_env)
- ) ? 1 : hv_exists_ent(hv, keysv, 0);
+ /* can we determine whether it exists? */
+ ( !SvRMAGICAL(hv)
+ || mg_find((SV*)hv, PERL_MAGIC_env)
+ || ( (mg = mg_find((SV*)hv, PERL_MAGIC_tied))
+ /* Try to preserve the existenceness of a tied hash
+ * element by using EXISTS and DELETE if possible.
+ * Fallback to FETCH and STORE otherwise */
+ && (stash = SvSTASH(SvRV(SvTIED_obj((SV*)hv, mg))))
+ && gv_fetchmethod_autoload(stash, "EXISTS", TRUE)
+ && gv_fetchmethod_autoload(stash, "DELETE", TRUE)
+ )
+ ) ? hv_exists_ent(hv, keysv, 0) : 1;
+ }
he = hv_fetch_ent(hv, keysv, lval && !defer, hash);
svp = he ? &HeVAL(he) : 0;
}
- else if (SvTYPE(hv) == SVt_PVAV) {
- if (PL_op->op_private & OPpLVAL_INTRO)
- DIE(aTHX_ "Can't localize pseudo-hash element");
- svp = avhv_fetch_ent((AV*)hv, keysv, lval && !defer, hash);
- }
else {
RETPUSHUNDEF;
}
STRLEN keylen;
char *key = SvPV(keysv, keylen);
SAVEDELETE(hv, savepvn(key,keylen), keylen);
- } else {
- SV *sv;
+ } else
save_helem(hv, keysv, svp);
- sv = *svp;
- /* If we're localizing a tied hash element, this new
- * sv won't actually be stored in the hash - so it
- * won't get reaped when the localize ends. Ensure it
- * gets reaped by mortifying it instead. DAPM */
- if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
- sv_2mortal(sv);
- }
}
}
else if (PL_op->op_private & OPpDEREF)
EXTEND(SP,1);
}
- if (SvFAKE(TARG) && SvREADONLY(TARG))
- sv_force_normal(TARG);
+ if (SvIsCOW(TARG))
+ sv_force_normal_flags(TARG,0);
if (SvREADONLY(TARG)
|| (SvTYPE(TARG) > SVt_PVLV
&& !(SvTYPE(TARG) == SVt_PVGV && SvFAKE(TARG))))
/* known replacement string? */
if (dstr) {
- c = SvPV(dstr, clen);
- doutf8 = DO_UTF8(dstr);
+ /* replacement needing upgrading? */
+ if (DO_UTF8(TARG) && !doutf8) {
+ SV *nsv = sv_newmortal();
+ SvSetSV(nsv, dstr);
+ if (PL_encoding)
+ sv_recode_to_utf8(nsv, PL_encoding);
+ else
+ sv_utf8_upgrade(nsv);
+ c = SvPV(nsv, clen);
+ doutf8 = TRUE;
+ }
+ else {
+ c = SvPV(dstr, clen);
+ doutf8 = DO_UTF8(dstr);
+ }
}
else {
c = Nullch;
SPAGAIN;
}
SvTAINT(TARG);
+ if (doutf8)
+ SvUTF8_on(TARG);
LEAVE_SCOPE(oldsave);
RETURN;
}
PUSHs(lv);
RETURN;
}
- if (PL_op->op_private & OPpLVAL_INTRO) {
- SV *sv;
+ if (PL_op->op_private & OPpLVAL_INTRO)
save_aelem(av, elem, svp);
- sv = *svp;
- /* If we're localizing a tied array element, this new sv
- * won't actually be stored in the array - so it won't get
- * reaped when the localize ends. Ensure it gets reaped by
- * mortifying it instead. DAPM */
- if (SvTIED_mg(sv, PERL_MAGIC_tiedelem))
- sv_2mortal(sv);
- }
else if (PL_op->op_private & OPpDEREF)
vivify_ref(*svp, PL_op->op_private & OPpDEREF);
}
projects / p5sagit/p5-mst-13.2.git / blobdiff