/* pp.c
*
* Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- * 2000, 2001, 2002, 2003, 2004, 2005, by Larry Wall and others
+ * 2000, 2001, 2002, 2003, 2004, 2005, 2006, by Larry Wall and others
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
PP(pp_stub)
{
+ dVAR;
dSP;
if (GIMME_V == G_SCALAR)
XPUSHs(&PL_sv_undef);
RETURN;
}
-PP(pp_scalar)
-{
- return NORMAL;
-}
-
/* Pushy stuff. */
PP(pp_padav)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
I32 gimme;
if (PL_op->op_private & OPpLVAL_INTRO)
SAVECLEARSV(PAD_SVl(PL_op->op_targ));
if (SvMAGICAL(TARG)) {
U32 i;
for (i=0; i < (U32)maxarg; i++) {
- SV **svp = av_fetch((AV*)TARG, i, FALSE);
+ SV * const * const svp = av_fetch((AV*)TARG, i, FALSE);
SP[i+1] = (svp) ? *svp : &PL_sv_undef;
}
}
SP += maxarg;
}
else if (gimme == G_SCALAR) {
- SV* sv = sv_newmortal();
+ SV* const sv = sv_newmortal();
const I32 maxarg = AvFILL((AV*)TARG) + 1;
sv_setiv(sv, maxarg);
PUSHs(sv);
PP(pp_padhv)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
I32 gimme;
XPUSHs(TARG);
RETURNOP(do_kv());
}
else if (gimme == G_SCALAR) {
- SV* sv = Perl_hv_scalar(aTHX_ (HV*)TARG);
+ SV* const sv = Perl_hv_scalar(aTHX_ (HV*)TARG);
SETs(sv);
}
RETURN;
}
-PP(pp_padany)
-{
- DIE(aTHX_ "NOT IMPL LINE %d",__LINE__);
-}
-
/* Translations. */
PP(pp_rv2gv)
{
- dSP; dTOPss;
+ dVAR; dSP; dTOPss;
if (SvROK(sv)) {
wasref:
sv = SvRV(sv);
if (SvTYPE(sv) == SVt_PVIO) {
- GV *gv = (GV*) sv_newmortal();
+ GV * const gv = (GV*) sv_newmortal();
gv_init(gv, 0, "", 0, 0);
GvIOp(gv) = (IO *)sv;
- (void)SvREFCNT_inc(sv);
+ SvREFCNT_inc_void_NN(sv);
sv = (SV*) gv;
}
else if (SvTYPE(sv) != SVt_PVGV)
GV *gv;
if (cUNOP->op_targ) {
STRLEN len;
- SV *namesv = PAD_SV(cUNOP->op_targ);
- const char *name = SvPV(namesv, len);
- gv = (GV*)NEWSV(0,0);
+ SV * const namesv = PAD_SV(cUNOP->op_targ);
+ const char * const name = SvPV(namesv, len);
+ gv = (GV*)newSV(0);
gv_init(gv, CopSTASH(PL_curcop), name, len, 0);
}
else {
- const char *name = CopSTASHPV(PL_curcop);
+ const char * const name = CopSTASHPV(PL_curcop);
gv = newGVgen(name);
}
if (SvTYPE(sv) < SVt_RV)
sv_upgrade(sv, SVt_RV);
- if (SvPVX_const(sv)) {
+ else if (SvPVX_const(sv)) {
SvPV_free(sv);
SvLEN_set(sv, 0);
SvCUR_set(sv, 0);
if ((PL_op->op_flags & OPf_SPECIAL) &&
!(PL_op->op_flags & OPf_MOD))
{
- SV * temp = (SV*)gv_fetchsv(sv, FALSE, SVt_PVGV);
+ SV * const temp = (SV*)gv_fetchsv(sv, 0, SVt_PVGV);
if (!temp
&& (!is_gv_magical_sv(sv,0)
- || !(sv = (SV*)gv_fetchsv(sv, TRUE, SVt_PVGV)))) {
+ || !(sv = (SV*)gv_fetchsv(sv, GV_ADD, SVt_PVGV)))) {
RETSETUNDEF;
}
sv = temp;
else {
if (PL_op->op_private & HINT_STRICT_REFS)
DIE(aTHX_ PL_no_symref_sv, sv, "a symbol");
- sv = (SV*)gv_fetchsv(sv, TRUE, SVt_PVGV);
+ if ((PL_op->op_private & (OPpLVAL_INTRO|OPpDONT_INIT_GV))
+ == OPpDONT_INIT_GV) {
+ /* We are the target of a coderef assignment. Return
+ the scalar unchanged, and let pp_sasssign deal with
+ things. */
+ RETURN;
+ }
+ sv = (SV*)gv_fetchsv(sv, GV_ADD, SVt_PVGV);
}
}
}
PP(pp_rv2sv)
{
- GV *gv = Nullgv;
- dSP; dTOPss;
+ dVAR; dSP; dTOPss;
+ GV *gv = NULL;
if (SvROK(sv)) {
wasref:
case SVt_PVAV:
case SVt_PVHV:
case SVt_PVCV:
+ case SVt_PVFM:
+ case SVt_PVIO:
DIE(aTHX_ "Not a SCALAR reference");
}
}
if (SvROK(sv))
goto wasref;
}
+ if (PL_op->op_private & HINT_STRICT_REFS) {
+ if (SvOK(sv))
+ DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR");
+ else
+ DIE(aTHX_ PL_no_usym, "a SCALAR");
+ }
if (!SvOK(sv)) {
- if (PL_op->op_flags & OPf_REF ||
- PL_op->op_private & HINT_STRICT_REFS)
+ if (PL_op->op_flags & OPf_REF)
DIE(aTHX_ PL_no_usym, "a SCALAR");
if (ckWARN(WARN_UNINITIALIZED))
report_uninit(sv);
if ((PL_op->op_flags & OPf_SPECIAL) &&
!(PL_op->op_flags & OPf_MOD))
{
- gv = (GV*)gv_fetchsv(sv, FALSE, SVt_PV);
+ gv = (GV*)gv_fetchsv(sv, 0, SVt_PV);
if (!gv
&& (!is_gv_magical_sv(sv, 0)
- || !(gv = (GV*)gv_fetchsv(sv, TRUE, SVt_PV))))
+ || !(gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV))))
{
RETSETUNDEF;
}
}
else {
- if (PL_op->op_private & HINT_STRICT_REFS)
- DIE(aTHX_ PL_no_symref_sv, sv, "a SCALAR");
- gv = (GV*)gv_fetchsv(sv, TRUE, SVt_PV);
+ gv = (GV*)gv_fetchsv(sv, GV_ADD, SVt_PV);
}
}
- sv = GvSV(gv);
+ sv = GvSVn(gv);
}
if (PL_op->op_flags & OPf_MOD) {
if (PL_op->op_private & OPpLVAL_INTRO) {
PP(pp_av2arylen)
{
- dSP;
- AV *av = (AV*)TOPs;
- SV *sv = AvARYLEN(av);
- if (!sv) {
- AvARYLEN(av) = sv = NEWSV(0,0);
- sv_upgrade(sv, SVt_IV);
- sv_magic(sv, (SV*)av, PERL_MAGIC_arylen, Nullch, 0);
- }
- SETs(sv);
+ dVAR; dSP;
+ AV * const av = (AV*)TOPs;
+ SV ** const sv = Perl_av_arylen_p(aTHX_ (AV*)av);
+ if (!*sv) {
+ *sv = newSV(0);
+ sv_upgrade(*sv, SVt_PVMG);
+ sv_magic(*sv, (SV*)av, PERL_MAGIC_arylen, NULL, 0);
+ }
+ SETs(*sv);
RETURN;
}
PP(pp_pos)
{
- dSP; dTARGET; dPOPss;
+ dVAR; dSP; dTARGET; dPOPss;
if (PL_op->op_flags & OPf_MOD || LVRET) {
if (SvTYPE(TARG) < SVt_PVLV) {
sv_upgrade(TARG, SVt_PVLV);
- sv_magic(TARG, Nullsv, PERL_MAGIC_pos, Nullch, 0);
+ sv_magic(TARG, NULL, PERL_MAGIC_pos, NULL, 0);
}
LvTYPE(TARG) = '.';
if (LvTARG(TARG) != sv) {
if (LvTARG(TARG))
SvREFCNT_dec(LvTARG(TARG));
- LvTARG(TARG) = SvREFCNT_inc(sv);
+ LvTARG(TARG) = SvREFCNT_inc_simple(sv);
}
PUSHs(TARG); /* no SvSETMAGIC */
RETURN;
}
else {
- MAGIC* mg;
-
if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
- mg = mg_find(sv, PERL_MAGIC_regex_global);
+ const MAGIC * const mg = mg_find(sv, PERL_MAGIC_regex_global);
if (mg && mg->mg_len >= 0) {
I32 i = mg->mg_len;
if (DO_UTF8(sv))
sv_pos_b2u(sv, &i);
- PUSHi(i + PL_curcop->cop_arybase);
+ PUSHi(i + CopARYBASE_get(PL_curcop));
RETURN;
}
}
PP(pp_rv2cv)
{
- dSP;
+ dVAR; dSP;
GV *gv;
HV *stash;
-
+ const I32 flags = (PL_op->op_flags & OPf_SPECIAL)
+ ? 0
+ : ((PL_op->op_private & (OPpLVAL_INTRO|OPpMAY_RETURN_CONSTANT)) == OPpMAY_RETURN_CONSTANT)
+ ? GV_ADD|GV_NOEXPAND
+ : GV_ADD;
/* We usually try to add a non-existent subroutine in case of AUTOLOAD. */
/* (But not in defined().) */
- CV *cv = sv_2cv(TOPs, &stash, &gv, !(PL_op->op_flags & OPf_SPECIAL));
+
+ CV *cv = sv_2cv(TOPs, &stash, &gv, flags);
if (cv) {
if (CvCLONE(cv))
cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
DIE(aTHX_ "Can't modify non-lvalue subroutine call");
}
}
+ else if ((flags == (GV_ADD|GV_NOEXPAND)) && gv && SvROK(gv)) {
+ cv = (CV*)gv;
+ }
else
cv = (CV*)&PL_sv_undef;
SETs((SV*)cv);
PP(pp_prototype)
{
- dSP;
+ dVAR; dSP;
CV *cv;
HV *stash;
GV *gv;
- SV *ret;
+ SV *ret = &PL_sv_undef;
- ret = &PL_sv_undef;
if (SvPOK(TOPs) && SvCUR(TOPs) >= 7) {
- const char *s = SvPVX_const(TOPs);
+ const char * const s = SvPVX_const(TOPs);
if (strnEQ(s, "CORE::", 6)) {
const int code = keyword(s + 6, SvCUR(TOPs) - 6);
if (code < 0) { /* Overridable. */
}
}
}
- cv = sv_2cv(TOPs, &stash, &gv, FALSE);
+ cv = sv_2cv(TOPs, &stash, &gv, 0);
if (cv && SvPOK(cv))
ret = sv_2mortal(newSVpvn(SvPVX_const(cv), SvCUR(cv)));
set:
PP(pp_anoncode)
{
- dSP;
+ dVAR; dSP;
CV* cv = (CV*)PAD_SV(PL_op->op_targ);
if (CvCLONE(cv))
cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
PP(pp_srefgen)
{
- dSP;
+ dVAR; dSP;
*SP = refto(*SP);
RETURN;
}
PP(pp_refgen)
{
- dSP; dMARK;
+ dVAR; dSP; dMARK;
if (GIMME != G_ARRAY) {
if (++MARK <= SP)
*MARK = *SP;
STATIC SV*
S_refto(pTHX_ SV *sv)
{
+ dVAR;
SV* rv;
if (SvTYPE(sv) == SVt_PVLV && LvTYPE(sv) == 'y') {
if (!(sv = LvTARG(sv)))
sv = &PL_sv_undef;
else
- (void)SvREFCNT_inc(sv);
+ SvREFCNT_inc_void_NN(sv);
}
else if (SvTYPE(sv) == SVt_PVAV) {
if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv))
av_reify((AV*)sv);
SvTEMP_off(sv);
- (void)SvREFCNT_inc(sv);
+ SvREFCNT_inc_void_NN(sv);
}
else if (SvPADTMP(sv) && !IS_PADGV(sv))
sv = newSVsv(sv);
else {
SvTEMP_off(sv);
- (void)SvREFCNT_inc(sv);
+ SvREFCNT_inc_void_NN(sv);
}
rv = sv_newmortal();
sv_upgrade(rv, SVt_RV);
PP(pp_ref)
{
- dSP; dTARGET;
- SV *sv;
+ dVAR; dSP; dTARGET;
const char *pv;
+ SV * const sv = POPs;
- sv = POPs;
-
- if (sv && SvGMAGICAL(sv))
- mg_get(sv);
+ if (sv)
+ SvGETMAGIC(sv);
if (!sv || !SvROK(sv))
RETPUSHNO;
- sv = SvRV(sv);
- pv = sv_reftype(sv,TRUE);
+ pv = sv_reftype(SvRV(sv),TRUE);
PUSHp(pv, strlen(pv));
RETURN;
}
PP(pp_bless)
{
- dSP;
+ dVAR; dSP;
HV *stash;
if (MAXARG == 1)
stash = CopSTASH(PL_curcop);
else {
- SV *ssv = POPs;
+ SV * const ssv = POPs;
STRLEN len;
const char *ptr;
if (ssv && !SvGMAGICAL(ssv) && !SvAMAGIC(ssv) && SvROK(ssv))
Perl_croak(aTHX_ "Attempt to bless into a reference");
- ptr = SvPV(ssv,len);
- if (ckWARN(WARN_MISC) && len == 0)
+ ptr = SvPV_const(ssv,len);
+ if (len == 0 && ckWARN(WARN_MISC))
Perl_warner(aTHX_ packWARN(WARN_MISC),
"Explicit blessing to '' (assuming package main)");
stash = gv_stashpvn(ptr, len, TRUE);
PP(pp_gelem)
{
- GV *gv;
- SV *sv;
- SV *tmpRef;
- const char *elem;
- dSP;
- STRLEN n_a;
+ dVAR; dSP;
- sv = POPs;
- elem = SvPV(sv, n_a);
- gv = (GV*)POPs;
- tmpRef = Nullsv;
- sv = Nullsv;
+ SV *sv = POPs;
+ const char * const elem = SvPV_nolen_const(sv);
+ GV * const gv = (GV*)POPs;
+ SV * tmpRef = NULL;
+
+ sv = NULL;
if (elem) {
/* elem will always be NUL terminated. */
- const char *elem2 = elem + 1;
+ const char * const second_letter = elem + 1;
switch (*elem) {
case 'A':
- if (strEQ(elem2, "RRAY"))
+ if (strEQ(second_letter, "RRAY"))
tmpRef = (SV*)GvAV(gv);
break;
case 'C':
- if (strEQ(elem2, "ODE"))
+ if (strEQ(second_letter, "ODE"))
tmpRef = (SV*)GvCVu(gv);
break;
case 'F':
- if (strEQ(elem2, "ILEHANDLE")) {
+ if (strEQ(second_letter, "ILEHANDLE")) {
/* finally deprecated in 5.8.0 */
deprecate("*glob{FILEHANDLE}");
tmpRef = (SV*)GvIOp(gv);
}
else
- if (strEQ(elem2, "ORMAT"))
+ if (strEQ(second_letter, "ORMAT"))
tmpRef = (SV*)GvFORM(gv);
break;
case 'G':
- if (strEQ(elem2, "LOB"))
+ if (strEQ(second_letter, "LOB"))
tmpRef = (SV*)gv;
break;
case 'H':
- if (strEQ(elem2, "ASH"))
+ if (strEQ(second_letter, "ASH"))
tmpRef = (SV*)GvHV(gv);
break;
case 'I':
- if (*elem2 == 'O' && !elem[2])
+ if (*second_letter == 'O' && !elem[2])
tmpRef = (SV*)GvIOp(gv);
break;
case 'N':
- if (strEQ(elem2, "AME"))
+ if (strEQ(second_letter, "AME"))
sv = newSVpvn(GvNAME(gv), GvNAMELEN(gv));
break;
case 'P':
- if (strEQ(elem2, "ACKAGE")) {
- const char *name = HvNAME_get(GvSTASH(gv));
- sv = newSVpv(name ? name : "__ANON__", 0);
+ if (strEQ(second_letter, "ACKAGE")) {
+ const HV * const stash = GvSTASH(gv);
+ const HEK * const hek = stash ? HvNAME_HEK(stash) : NULL;
+ sv = hek ? newSVhek(hek) : newSVpvs("__ANON__");
}
break;
case 'S':
- if (strEQ(elem2, "CALAR"))
- tmpRef = GvSV(gv);
+ if (strEQ(second_letter, "CALAR"))
+ tmpRef = GvSVn(gv);
break;
}
}
PP(pp_study)
{
- dSP; dPOPss;
+ dVAR; dSP; dPOPss;
register unsigned char *s;
register I32 pos;
register I32 ch;
if (SvSCREAM(sv))
RETPUSHYES;
}
- else {
- if (PL_lastscream) {
- SvSCREAM_off(PL_lastscream);
- SvREFCNT_dec(PL_lastscream);
- }
- PL_lastscream = SvREFCNT_inc(sv);
+ s = (unsigned char*)(SvPV(sv, len));
+ pos = len;
+ if (pos <= 0 || !SvPOK(sv)) {
+ /* No point in studying a zero length string, and not safe to study
+ anything that doesn't appear to be a simple scalar (and hence might
+ change between now and when the regexp engine runs without our set
+ magic ever running) such as a reference to an object with overloaded
+ stringification. */
+ RETPUSHNO;
}
+ if (PL_lastscream) {
+ SvSCREAM_off(PL_lastscream);
+ SvREFCNT_dec(PL_lastscream);
+ }
+ PL_lastscream = SvREFCNT_inc_simple(sv);
+
s = (unsigned char*)(SvPV(sv, len));
pos = len;
if (pos <= 0)
if (pos > PL_maxscream) {
if (PL_maxscream < 0) {
PL_maxscream = pos + 80;
- New(301, PL_screamfirst, 256, I32);
- New(302, PL_screamnext, PL_maxscream, I32);
+ Newx(PL_screamfirst, 256, I32);
+ Newx(PL_screamnext, PL_maxscream, I32);
}
else {
PL_maxscream = pos + pos / 4;
sfirst -= 256;
while (--pos >= 0) {
- ch = s[pos];
+ register const I32 ch = s[pos];
if (sfirst[ch] >= 0)
snext[pos] = sfirst[ch] - pos;
else
SvSCREAM_on(sv);
/* piggyback on m//g magic */
- sv_magic(sv, Nullsv, PERL_MAGIC_regex_global, Nullch, 0);
+ sv_magic(sv, NULL, PERL_MAGIC_regex_global, NULL, 0);
RETPUSHYES;
}
PP(pp_trans)
{
- dSP; dTARG;
+ dVAR; dSP; dTARG;
SV *sv;
if (PL_op->op_flags & OPf_STACKED)
PP(pp_schop)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
do_chop(TARG, TOPs);
SETTARG;
RETURN;
PP(pp_chop)
{
- dSP; dMARK; dTARGET; dORIGMARK;
+ dVAR; dSP; dMARK; dTARGET; dORIGMARK;
while (MARK < SP)
do_chop(TARG, *++MARK);
SP = ORIGMARK;
- PUSHTARG;
+ XPUSHTARG;
RETURN;
}
PP(pp_schomp)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
SETi(do_chomp(TOPs));
RETURN;
}
PP(pp_chomp)
{
- dSP; dMARK; dTARGET;
+ dVAR; dSP; dMARK; dTARGET;
register I32 count = 0;
while (SP > MARK)
count += do_chomp(POPs);
- PUSHi(count);
+ XPUSHi(count);
RETURN;
}
-PP(pp_defined)
-{
- dSP;
- register SV* sv;
-
- sv = POPs;
- if (!sv || !SvANY(sv))
- RETPUSHNO;
- switch (SvTYPE(sv)) {
- case SVt_PVAV:
- if (AvMAX(sv) >= 0 || SvGMAGICAL(sv)
- || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied)))
- RETPUSHYES;
- break;
- case SVt_PVHV:
- if (HvARRAY(sv) || SvGMAGICAL(sv)
- || (SvRMAGICAL(sv) && mg_find(sv, PERL_MAGIC_tied)))
- RETPUSHYES;
- break;
- case SVt_PVCV:
- if (CvROOT(sv) || CvXSUB(sv))
- RETPUSHYES;
- break;
- default:
- if (SvGMAGICAL(sv))
- mg_get(sv);
- if (SvOK(sv))
- RETPUSHYES;
- }
- RETPUSHNO;
-}
-
PP(pp_undef)
{
- dSP;
+ dVAR; dSP;
SV *sv;
if (!PL_op->op_private) {
hv_undef((HV*)sv);
break;
case SVt_PVCV:
- if (ckWARN(WARN_MISC) && cv_const_sv((CV*)sv))
+ if (cv_const_sv((CV*)sv) && ckWARN(WARN_MISC))
Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined",
CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv)));
- /* FALL THROUGH */
+ /* FALLTHROUGH */
case SVt_PVFM:
{
/* let user-undef'd sub keep its identity */
- GV* gv = CvGV((CV*)sv);
+ GV* const gv = CvGV((CV*)sv);
cv_undef((CV*)sv);
CvGV((CV*)sv) = gv;
}
else {
GP *gp;
gp_free((GV*)sv);
- Newz(602, gp, 1, GP);
+ Newxz(gp, 1, GP);
GvGP(sv) = gp_ref(gp);
- GvSV(sv) = NEWSV(72,0);
+ GvSV(sv) = newSV(0);
GvLINE(sv) = CopLINE(PL_curcop);
GvEGV(sv) = (GV*)sv;
GvMULTI_on(sv);
default:
if (SvTYPE(sv) >= SVt_PV && SvPVX_const(sv) && SvLEN(sv)) {
SvPV_free(sv);
- SvPV_set(sv, Nullch);
+ SvPV_set(sv, NULL);
SvLEN_set(sv, 0);
}
SvOK_off(sv);
PP(pp_predec)
{
- dSP;
+ dVAR; dSP;
if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV)
DIE(aTHX_ PL_no_modify);
if (!SvREADONLY(TOPs) && SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs)
PP(pp_postinc)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV)
DIE(aTHX_ PL_no_modify);
sv_setsv(TARG, TOPs);
PP(pp_postdec)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
if (SvTYPE(TOPs) >= SVt_PVGV && SvTYPE(TOPs) != SVt_PVLV)
DIE(aTHX_ PL_no_modify);
sv_setsv(TARG, TOPs);
PP(pp_pow)
{
- dSP; dATARGET;
+ dVAR; dSP; dATARGET;
#ifdef PERL_PRESERVE_IVUV
bool is_int = 0;
#endif
we're sure it is safe; otherwise we call pow() and try to convert to
integer afterwards. */
{
- SvIV_please(TOPm1s);
- if (SvIOK(TOPm1s)) {
- bool baseuok = SvUOK(TOPm1s);
- UV baseuv;
+ SvIV_please(TOPs);
+ if (SvIOK(TOPs)) {
+ SvIV_please(TOPm1s);
+ if (SvIOK(TOPm1s)) {
+ UV power;
+ bool baseuok;
+ UV baseuv;
- if (baseuok) {
- baseuv = SvUVX(TOPm1s);
- } else {
- IV iv = SvIVX(TOPm1s);
- if (iv >= 0) {
- baseuv = iv;
- baseuok = TRUE; /* effectively it's a UV now */
- } else {
- baseuv = -iv; /* abs, baseuok == false records sign */
- }
- }
- SvIV_please(TOPs);
- if (SvIOK(TOPs)) {
- UV power;
+ if (SvUOK(TOPs)) {
+ power = SvUVX(TOPs);
+ } else {
+ const IV iv = SvIVX(TOPs);
+ if (iv >= 0) {
+ power = iv;
+ } else {
+ goto float_it; /* Can't do negative powers this way. */
+ }
+ }
- if (SvUOK(TOPs)) {
- power = SvUVX(TOPs);
- } else {
- IV iv = SvIVX(TOPs);
- if (iv >= 0) {
- power = iv;
- } else {
- goto float_it; /* Can't do negative powers this way. */
- }
- }
+ baseuok = SvUOK(TOPm1s);
+ if (baseuok) {
+ baseuv = SvUVX(TOPm1s);
+ } else {
+ const IV iv = SvIVX(TOPm1s);
+ if (iv >= 0) {
+ baseuv = iv;
+ baseuok = TRUE; /* effectively it's a UV now */
+ } else {
+ baseuv = -iv; /* abs, baseuok == false records sign */
+ }
+ }
/* now we have integer ** positive integer. */
is_int = 1;
programmers to notice ** not doing what they mean. */
NV result = 1.0;
NV base = baseuok ? baseuv : -(NV)baseuv;
- int n = 0;
-
- for (; power; base *= base, n++) {
- /* Do I look like I trust gcc with long longs here?
- Do I hell. */
- UV bit = (UV)1 << (UV)n;
- if (power & bit) {
- result *= base;
- /* Only bother to clear the bit if it is set. */
- power -= bit;
- /* Avoid squaring base again if we're done. */
- if (power == 0) break;
- }
- }
+
+ if (power & 1) {
+ result *= base;
+ }
+ while (power >>= 1) {
+ base *= base;
+ if (power & 1) {
+ result *= base;
+ }
+ }
SP--;
SETn( result );
SvIV_please(TOPs);
RETURN;
} else {
register unsigned int highbit = 8 * sizeof(UV);
- register unsigned int lowbit = 0;
- register unsigned int diff;
- bool odd_power = (bool)(power & 1);
- while ((diff = (highbit - lowbit) >> 1)) {
- if (baseuv & ~((1 << (lowbit + diff)) - 1))
- lowbit += diff;
- else
- highbit -= diff;
+ register unsigned int diff = 8 * sizeof(UV);
+ while (diff >>= 1) {
+ highbit -= diff;
+ if (baseuv >> highbit) {
+ highbit += diff;
+ }
}
/* we now have baseuv < 2 ** highbit */
if (power * highbit <= 8 * sizeof(UV)) {
on same algorithm as above */
register UV result = 1;
register UV base = baseuv;
- register int n = 0;
- for (; power; base *= base, n++) {
- register UV bit = (UV)1 << (UV)n;
- if (power & bit) {
+ const bool odd_power = (bool)(power & 1);
+ if (odd_power) {
+ result *= base;
+ }
+ while (power >>= 1) {
+ base *= base;
+ if (power & 1) {
result *= base;
- power -= bit;
- if (power == 0) break;
}
}
SP--;
PP(pp_multiply)
{
- dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
#ifdef PERL_PRESERVE_IVUV
SvIV_please(TOPs);
if (SvIOK(TOPs)) {
if (auvok) {
alow = SvUVX(TOPm1s);
} else {
- IV aiv = SvIVX(TOPm1s);
+ const IV aiv = SvIVX(TOPm1s);
if (aiv >= 0) {
alow = aiv;
auvok = TRUE; /* effectively it's a UV now */
if (buvok) {
blow = SvUVX(TOPs);
} else {
- IV biv = SvIVX(TOPs);
+ const IV biv = SvIVX(TOPs);
if (biv >= 0) {
blow = biv;
buvok = TRUE; /* effectively it's a UV now */
bhigh = blow >> (4 * sizeof (UV));
blow &= botmask;
if (ahigh && bhigh) {
+ /*EMPTY*/;
/* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000
which is overflow. Drop to NVs below. */
} else if (!ahigh && !bhigh) {
/* eg 32 bit is at most 0xFFFF * 0xFFFF == 0xFFFE0001
so the unsigned multiply cannot overflow. */
- UV product = alow * blow;
+ const UV product = alow * blow;
if (auvok == buvok) {
/* -ve * -ve or +ve * +ve gives a +ve result. */
SP--;
PP(pp_divide)
{
- dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
/* Only try to do UV divide first
if ((SLOPPYDIVIDE is true) or
(PERL_PRESERVE_IVUV is true and one or both SV is a UV too large
right = SvUVX(TOPs);
}
else {
- IV biv = SvIVX(TOPs);
+ const IV biv = SvIVX(TOPs);
if (biv >= 0) {
right = biv;
right_non_neg = TRUE; /* effectively it's a UV now */
left = SvUVX(TOPm1s);
}
else {
- IV aiv = SvIVX(TOPm1s);
+ const IV aiv = SvIVX(TOPm1s);
if (aiv >= 0) {
left = aiv;
left_non_neg = TRUE; /* effectively it's a UV now */
#endif
) {
/* Integer division can't overflow, but it can be imprecise. */
- UV result = left / right;
+ const UV result = left / right;
if (result * right == left) {
SP--; /* result is valid */
if (left_non_neg == right_non_neg) {
PP(pp_modulo)
{
- dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
{
UV left = 0;
UV right = 0;
if (!right_neg) {
right = SvUVX(POPs);
} else {
- IV biv = SvIVX(POPs);
+ const IV biv = SvIVX(POPs);
if (biv >= 0) {
right = biv;
right_neg = FALSE; /* effectively it's a UV now */
if (!left_neg) {
left = SvUVX(POPs);
} else {
- IV aiv = SvIVX(POPs);
+ const IV aiv = SvIVX(POPs);
if (aiv >= 0) {
left = aiv;
left_neg = FALSE; /* effectively it's a UV now */
PP(pp_repeat)
{
- dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(repeat,opASSIGN);
{
register IV count;
dPOPss;
- if (SvGMAGICAL(sv))
- mg_get(sv);
+ SvGETMAGIC(sv);
if (SvIOKp(sv)) {
if (SvUOK(sv)) {
- UV uv = SvUV(sv);
+ const UV uv = SvUV(sv);
if (uv > IV_MAX)
count = IV_MAX; /* The best we can do? */
else
count = uv;
} else {
- IV iv = SvIV(sv);
+ const IV iv = SvIV(sv);
if (iv < 0)
count = 0;
else
}
}
else if (SvNOKp(sv)) {
- NV nv = SvNV(sv);
+ const NV nv = SvNV(sv);
if (nv < 0.0)
count = 0;
else
count = SvIVx(sv);
if (GIMME == G_ARRAY && PL_op->op_private & OPpREPEAT_DOLIST) {
dMARK;
- I32 items = SP - MARK;
- I32 max;
- static const char oom_list_extend[] =
- "Out of memory during list extend";
+ static const char oom_list_extend[] = "Out of memory during list extend";
+ const I32 items = SP - MARK;
+ const I32 max = items * count;
- max = items * count;
MEM_WRAP_CHECK_1(max, SV*, oom_list_extend);
/* Did the max computation overflow? */
if (items > 0 && max > 0 && (max < items || max < count))
SP -= items;
}
else { /* Note: mark already snarfed by pp_list */
- SV *tmpstr = POPs;
+ SV * const tmpstr = POPs;
STRLEN len;
bool isutf;
static const char oom_string_extend[] =
if (count < 1)
SvCUR_set(TARG, 0);
else {
- STRLEN max = (UV)count * len;
+ const STRLEN max = (UV)count * len;
if (len > ((MEM_SIZE)~0)/count)
Perl_croak(aTHX_ oom_string_extend);
MEM_WRAP_CHECK_1(max, char, oom_string_extend);
PP(pp_subtract)
{
- dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN);
+ dVAR; dSP; dATARGET; bool useleft; tryAMAGICbin(subtr,opASSIGN);
useleft = USE_LEFT(TOPm1s);
#ifdef PERL_PRESERVE_IVUV
/* See comments in pp_add (in pp_hot.c) about Overflow, and how
if ((auvok = SvUOK(TOPm1s)))
auv = SvUVX(TOPm1s);
else {
- register IV aiv = SvIVX(TOPm1s);
+ register const IV aiv = SvIVX(TOPm1s);
if (aiv >= 0) {
auv = aiv;
auvok = 1; /* Now acting as a sign flag. */
if (buvok)
buv = SvUVX(TOPs);
else {
- register IV biv = SvIVX(TOPs);
+ register const IV biv = SvIVX(TOPs);
if (biv >= 0) {
buv = biv;
buvok = 1;
PP(pp_left_shift)
{
- dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
{
- IV shift = POPi;
+ const IV shift = POPi;
if (PL_op->op_private & HINT_INTEGER) {
- IV i = TOPi;
+ const IV i = TOPi;
SETi(i << shift);
}
else {
- UV u = TOPu;
+ const UV u = TOPu;
SETu(u << shift);
}
RETURN;
PP(pp_right_shift)
{
- dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
{
- IV shift = POPi;
+ const IV shift = POPi;
if (PL_op->op_private & HINT_INTEGER) {
- IV i = TOPi;
+ const IV i = TOPi;
SETi(i >> shift);
}
else {
- UV u = TOPu;
+ const UV u = TOPu;
SETu(u >> shift);
}
RETURN;
PP(pp_lt)
{
- dSP; tryAMAGICbinSET(lt,0);
+ dVAR; dSP; tryAMAGICbinSET(lt,0);
#ifdef PERL_PRESERVE_IVUV
SvIV_please(TOPs);
if (SvIOK(TOPs)) {
bool buvok = SvUOK(TOPs);
if (!auvok && !buvok) { /* ## IV < IV ## */
- IV aiv = SvIVX(TOPm1s);
- IV biv = SvIVX(TOPs);
+ const IV aiv = SvIVX(TOPm1s);
+ const IV biv = SvIVX(TOPs);
SP--;
SETs(boolSV(aiv < biv));
RETURN;
}
if (auvok && buvok) { /* ## UV < UV ## */
- UV auv = SvUVX(TOPm1s);
- UV buv = SvUVX(TOPs);
+ const UV auv = SvUVX(TOPm1s);
+ const UV buv = SvUVX(TOPs);
SP--;
SETs(boolSV(auv < buv));
}
if (auvok) { /* ## UV < IV ## */
UV auv;
- IV biv;
-
- biv = SvIVX(TOPs);
+ const IV biv = SvIVX(TOPs);
SP--;
if (biv < 0) {
/* As (a) is a UV, it's >=0, so it cannot be < */
RETURN;
}
{ /* ## IV < UV ## */
- IV aiv;
+ const IV aiv = SvIVX(TOPm1s);
UV buv;
- aiv = SvIVX(TOPm1s);
if (aiv < 0) {
/* As (b) is a UV, it's >=0, so it must be < */
SP--;
}
#endif
{
+#if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan)
+ dPOPTOPnnrl;
+ if (Perl_isnan(left) || Perl_isnan(right))
+ RETSETNO;
+ SETs(boolSV(left < right));
+#else
dPOPnv;
SETs(boolSV(TOPn < value));
+#endif
RETURN;
}
}
PP(pp_gt)
{
- dSP; tryAMAGICbinSET(gt,0);
+ dVAR; dSP; tryAMAGICbinSET(gt,0);
#ifdef PERL_PRESERVE_IVUV
SvIV_please(TOPs);
if (SvIOK(TOPs)) {
bool buvok = SvUOK(TOPs);
if (!auvok && !buvok) { /* ## IV > IV ## */
- IV aiv = SvIVX(TOPm1s);
- IV biv = SvIVX(TOPs);
-
+ const IV aiv = SvIVX(TOPm1s);
+ const IV biv = SvIVX(TOPs);
+
SP--;
SETs(boolSV(aiv > biv));
RETURN;
}
if (auvok && buvok) { /* ## UV > UV ## */
- UV auv = SvUVX(TOPm1s);
- UV buv = SvUVX(TOPs);
+ const UV auv = SvUVX(TOPm1s);
+ const UV buv = SvUVX(TOPs);
SP--;
SETs(boolSV(auv > buv));
}
if (auvok) { /* ## UV > IV ## */
UV auv;
- IV biv;
-
- biv = SvIVX(TOPs);
+ const IV biv = SvIVX(TOPs);
+
SP--;
if (biv < 0) {
/* As (a) is a UV, it's >=0, so it must be > */
RETURN;
}
{ /* ## IV > UV ## */
- IV aiv;
+ const IV aiv = SvIVX(TOPm1s);
UV buv;
- aiv = SvIVX(TOPm1s);
if (aiv < 0) {
/* As (b) is a UV, it's >=0, so it cannot be > */
SP--;
}
#endif
{
+#if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan)
+ dPOPTOPnnrl;
+ if (Perl_isnan(left) || Perl_isnan(right))
+ RETSETNO;
+ SETs(boolSV(left > right));
+#else
dPOPnv;
SETs(boolSV(TOPn > value));
+#endif
RETURN;
}
}
PP(pp_le)
{
- dSP; tryAMAGICbinSET(le,0);
+ dVAR; dSP; tryAMAGICbinSET(le,0);
#ifdef PERL_PRESERVE_IVUV
SvIV_please(TOPs);
if (SvIOK(TOPs)) {
bool buvok = SvUOK(TOPs);
if (!auvok && !buvok) { /* ## IV <= IV ## */
- IV aiv = SvIVX(TOPm1s);
- IV biv = SvIVX(TOPs);
+ const IV aiv = SvIVX(TOPm1s);
+ const IV biv = SvIVX(TOPs);
SP--;
SETs(boolSV(aiv <= biv));
}
if (auvok) { /* ## UV <= IV ## */
UV auv;
- IV biv;
-
- biv = SvIVX(TOPs);
+ const IV biv = SvIVX(TOPs);
+
SP--;
if (biv < 0) {
/* As (a) is a UV, it's >=0, so a cannot be <= */
RETURN;
}
{ /* ## IV <= UV ## */
- IV aiv;
+ const IV aiv = SvIVX(TOPm1s);
UV buv;
-
- aiv = SvIVX(TOPm1s);
+
if (aiv < 0) {
/* As (b) is a UV, it's >=0, so a must be <= */
SP--;
}
#endif
{
+#if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan)
+ dPOPTOPnnrl;
+ if (Perl_isnan(left) || Perl_isnan(right))
+ RETSETNO;
+ SETs(boolSV(left <= right));
+#else
dPOPnv;
SETs(boolSV(TOPn <= value));
+#endif
RETURN;
}
}
PP(pp_ge)
{
- dSP; tryAMAGICbinSET(ge,0);
+ dVAR; dSP; tryAMAGICbinSET(ge,0);
#ifdef PERL_PRESERVE_IVUV
SvIV_please(TOPs);
if (SvIOK(TOPs)) {
bool buvok = SvUOK(TOPs);
if (!auvok && !buvok) { /* ## IV >= IV ## */
- IV aiv = SvIVX(TOPm1s);
- IV biv = SvIVX(TOPs);
-
+ const IV aiv = SvIVX(TOPm1s);
+ const IV biv = SvIVX(TOPs);
+
SP--;
SETs(boolSV(aiv >= biv));
RETURN;
}
if (auvok && buvok) { /* ## UV >= UV ## */
- UV auv = SvUVX(TOPm1s);
- UV buv = SvUVX(TOPs);
-
+ const UV auv = SvUVX(TOPm1s);
+ const UV buv = SvUVX(TOPs);
+
SP--;
SETs(boolSV(auv >= buv));
RETURN;
}
if (auvok) { /* ## UV >= IV ## */
UV auv;
- IV biv;
-
- biv = SvIVX(TOPs);
+ const IV biv = SvIVX(TOPs);
+
SP--;
if (biv < 0) {
/* As (a) is a UV, it's >=0, so it must be >= */
RETURN;
}
{ /* ## IV >= UV ## */
- IV aiv;
+ const IV aiv = SvIVX(TOPm1s);
UV buv;
-
- aiv = SvIVX(TOPm1s);
+
if (aiv < 0) {
/* As (b) is a UV, it's >=0, so a cannot be >= */
SP--;
}
#endif
{
+#if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan)
+ dPOPTOPnnrl;
+ if (Perl_isnan(left) || Perl_isnan(right))
+ RETSETNO;
+ SETs(boolSV(left >= right));
+#else
dPOPnv;
SETs(boolSV(TOPn >= value));
+#endif
RETURN;
}
}
PP(pp_ne)
{
- dSP; tryAMAGICbinSET(ne,0);
+ dVAR; dSP; tryAMAGICbinSET(ne,0);
#ifndef NV_PRESERVES_UV
if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) {
SP--;
if (SvIOK(TOPs)) {
SvIV_please(TOPm1s);
if (SvIOK(TOPm1s)) {
- bool auvok = SvUOK(TOPm1s);
- bool buvok = SvUOK(TOPs);
+ const bool auvok = SvUOK(TOPm1s);
+ const bool buvok = SvUOK(TOPs);
if (auvok == buvok) { /* ## IV == IV or UV == UV ## */
/* Casting IV to UV before comparison isn't going to matter
differ from normal zero. As I understand it. (Need to
check - is negative zero implementation defined behaviour
anyway?). NWC */
- UV buv = SvUVX(POPs);
- UV auv = SvUVX(TOPs);
-
+ const UV buv = SvUVX(POPs);
+ const UV auv = SvUVX(TOPs);
+
SETs(boolSV(auv != buv));
RETURN;
}
}
#endif
{
+#if defined(NAN_COMPARE_BROKEN) && defined(Perl_isnan)
+ dPOPTOPnnrl;
+ if (Perl_isnan(left) || Perl_isnan(right))
+ RETSETYES;
+ SETs(boolSV(left != right));
+#else
dPOPnv;
SETs(boolSV(TOPn != value));
+#endif
RETURN;
}
}
PP(pp_ncmp)
{
- dSP; dTARGET; tryAMAGICbin(ncmp,0);
+ dVAR; dSP; dTARGET; tryAMAGICbin(ncmp,0);
#ifndef NV_PRESERVES_UV
if (SvROK(TOPs) && !SvAMAGIC(TOPs) && SvROK(TOPm1s) && !SvAMAGIC(TOPm1s)) {
- UV right = PTR2UV(SvRV(POPs));
- UV left = PTR2UV(SvRV(TOPs));
+ const UV right = PTR2UV(SvRV(POPs));
+ const UV left = PTR2UV(SvRV(TOPs));
SETi((left > right) - (left < right));
RETURN;
}
if (SvIOK(TOPs)) {
SvIV_please(TOPm1s);
if (SvIOK(TOPm1s)) {
- bool leftuvok = SvUOK(TOPm1s);
- bool rightuvok = SvUOK(TOPs);
+ const bool leftuvok = SvUOK(TOPm1s);
+ const bool rightuvok = SvUOK(TOPs);
I32 value;
if (!leftuvok && !rightuvok) { /* ## IV <=> IV ## */
- IV leftiv = SvIVX(TOPm1s);
- IV rightiv = SvIVX(TOPs);
+ const IV leftiv = SvIVX(TOPm1s);
+ const IV rightiv = SvIVX(TOPs);
if (leftiv > rightiv)
value = 1;
else
value = 0;
} else if (leftuvok && rightuvok) { /* ## UV <=> UV ## */
- UV leftuv = SvUVX(TOPm1s);
- UV rightuv = SvUVX(TOPs);
+ const UV leftuv = SvUVX(TOPm1s);
+ const UV rightuv = SvUVX(TOPs);
if (leftuv > rightuv)
value = 1;
else
value = 0;
} else if (leftuvok) { /* ## UV <=> IV ## */
- UV leftuv;
- IV rightiv;
-
- rightiv = SvIVX(TOPs);
+ const IV rightiv = SvIVX(TOPs);
if (rightiv < 0) {
/* As (a) is a UV, it's >=0, so it cannot be < */
value = 1;
} else {
- leftuv = SvUVX(TOPm1s);
+ const UV leftuv = SvUVX(TOPm1s);
if (leftuv > (UV)rightiv) {
value = 1;
} else if (leftuv < (UV)rightiv) {
}
}
} else { /* ## IV <=> UV ## */
- IV leftiv;
- UV rightuv;
-
- leftiv = SvIVX(TOPm1s);
+ const IV leftiv = SvIVX(TOPm1s);
if (leftiv < 0) {
/* As (b) is a UV, it's >=0, so it must be < */
value = -1;
} else {
- rightuv = SvUVX(TOPs);
+ const UV rightuv = SvUVX(TOPs);
if ((UV)leftiv > rightuv) {
value = 1;
} else if ((UV)leftiv < rightuv) {
}
}
-PP(pp_slt)
+PP(pp_sle)
{
- dSP; tryAMAGICbinSET(slt,0);
- {
- dPOPTOPssrl;
- int cmp = (IN_LOCALE_RUNTIME
- ? sv_cmp_locale(left, right)
- : sv_cmp(left, right));
- SETs(boolSV(cmp < 0));
- RETURN;
- }
-}
+ dVAR; dSP;
-PP(pp_sgt)
-{
- dSP; tryAMAGICbinSET(sgt,0);
- {
- dPOPTOPssrl;
- int cmp = (IN_LOCALE_RUNTIME
- ? sv_cmp_locale(left, right)
- : sv_cmp(left, right));
- SETs(boolSV(cmp > 0));
- RETURN;
- }
-}
+ int amg_type = sle_amg;
+ int multiplier = 1;
+ int rhs = 1;
-PP(pp_sle)
-{
- dSP; tryAMAGICbinSET(sle,0);
- {
- dPOPTOPssrl;
- int cmp = (IN_LOCALE_RUNTIME
- ? sv_cmp_locale(left, right)
- : sv_cmp(left, right));
- SETs(boolSV(cmp <= 0));
- RETURN;
+ switch (PL_op->op_type) {
+ case OP_SLT:
+ amg_type = slt_amg;
+ /* cmp < 0 */
+ rhs = 0;
+ break;
+ case OP_SGT:
+ amg_type = sgt_amg;
+ /* cmp > 0 */
+ multiplier = -1;
+ rhs = 0;
+ break;
+ case OP_SGE:
+ amg_type = sge_amg;
+ /* cmp >= 0 */
+ multiplier = -1;
+ break;
}
-}
-PP(pp_sge)
-{
- dSP; tryAMAGICbinSET(sge,0);
+ tryAMAGICbinSET_var(amg_type,0);
{
dPOPTOPssrl;
- int cmp = (IN_LOCALE_RUNTIME
+ const int cmp = (IN_LOCALE_RUNTIME
? sv_cmp_locale(left, right)
: sv_cmp(left, right));
- SETs(boolSV(cmp >= 0));
+ SETs(boolSV(cmp * multiplier < rhs));
RETURN;
}
}
PP(pp_seq)
{
- dSP; tryAMAGICbinSET(seq,0);
+ dVAR; dSP; tryAMAGICbinSET(seq,0);
{
dPOPTOPssrl;
SETs(boolSV(sv_eq(left, right)));
PP(pp_sne)
{
- dSP; tryAMAGICbinSET(sne,0);
+ dVAR; dSP; tryAMAGICbinSET(sne,0);
{
dPOPTOPssrl;
SETs(boolSV(!sv_eq(left, right)));
PP(pp_scmp)
{
- dSP; dTARGET; tryAMAGICbin(scmp,0);
+ dVAR; dSP; dTARGET; tryAMAGICbin(scmp,0);
{
dPOPTOPssrl;
- int cmp = (IN_LOCALE_RUNTIME
+ const int cmp = (IN_LOCALE_RUNTIME
? sv_cmp_locale(left, right)
: sv_cmp(left, right));
SETi( cmp );
PP(pp_bit_and)
{
- dSP; dATARGET; tryAMAGICbin(band,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(band,opASSIGN);
{
dPOPTOPssrl;
- if (SvGMAGICAL(left)) mg_get(left);
- if (SvGMAGICAL(right)) mg_get(right);
+ SvGETMAGIC(left);
+ SvGETMAGIC(right);
if (SvNIOKp(left) || SvNIOKp(right)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV i = SvIV_nomg(left) & SvIV_nomg(right);
+ const IV i = SvIV_nomg(left) & SvIV_nomg(right);
SETi(i);
}
else {
- UV u = SvUV_nomg(left) & SvUV_nomg(right);
- SETu(u);
- }
- }
- else {
- do_vop(PL_op->op_type, TARG, left, right);
- SETTARG;
- }
- RETURN;
- }
-}
-
-PP(pp_bit_xor)
-{
- dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN);
- {
- dPOPTOPssrl;
- if (SvGMAGICAL(left)) mg_get(left);
- if (SvGMAGICAL(right)) mg_get(right);
- if (SvNIOKp(left) || SvNIOKp(right)) {
- if (PL_op->op_private & HINT_INTEGER) {
- IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) ^ SvIV_nomg(right);
- SETi(i);
- }
- else {
- UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) ^ SvUV_nomg(right);
+ const UV u = SvUV_nomg(left) & SvUV_nomg(right);
SETu(u);
}
}
PP(pp_bit_or)
{
- dSP; dATARGET; tryAMAGICbin(bor,opASSIGN);
+ dVAR; dSP; dATARGET;
+ const int op_type = PL_op->op_type;
+
+ tryAMAGICbin_var((op_type == OP_BIT_OR ? bor_amg : bxor_amg), opASSIGN);
{
dPOPTOPssrl;
- if (SvGMAGICAL(left)) mg_get(left);
- if (SvGMAGICAL(right)) mg_get(right);
+ SvGETMAGIC(left);
+ SvGETMAGIC(right);
if (SvNIOKp(left) || SvNIOKp(right)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) | SvIV_nomg(right);
- SETi(i);
+ const IV l = (USE_LEFT(left) ? SvIV_nomg(left) : 0);
+ const IV r = SvIV_nomg(right);
+ const IV result = op_type == OP_BIT_OR ? (l | r) : (l ^ r);
+ SETi(result);
}
else {
- UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) | SvUV_nomg(right);
- SETu(u);
+ const UV l = (USE_LEFT(left) ? SvUV_nomg(left) : 0);
+ const UV r = SvUV_nomg(right);
+ const UV result = op_type == OP_BIT_OR ? (l | r) : (l ^ r);
+ SETu(result);
}
}
else {
- do_vop(PL_op->op_type, TARG, left, right);
+ do_vop(op_type, TARG, left, right);
SETTARG;
}
RETURN;
PP(pp_negate)
{
- dSP; dTARGET; tryAMAGICun(neg);
+ dVAR; dSP; dTARGET; tryAMAGICun(neg);
{
dTOPss;
- int flags = SvFLAGS(sv);
- if (SvGMAGICAL(sv))
- mg_get(sv);
+ const int flags = SvFLAGS(sv);
+ SvGETMAGIC(sv);
if ((flags & SVf_IOK) || ((flags & (SVp_IOK | SVp_NOK)) == SVp_IOK)) {
/* It's publicly an integer, or privately an integer-not-float */
oops_its_an_int:
SETn(-SvNV(sv));
else if (SvPOKp(sv)) {
STRLEN len;
- char *s = SvPV(sv, len);
+ const char * const s = SvPV_const(sv, len);
if (isIDFIRST(*s)) {
sv_setpvn(TARG, "-", 1);
sv_catsv(TARG, sv);
PP(pp_not)
{
- dSP; tryAMAGICunSET(not);
+ dVAR; dSP; tryAMAGICunSET(not);
*PL_stack_sp = boolSV(!SvTRUE(*PL_stack_sp));
return NORMAL;
}
PP(pp_complement)
{
- dSP; dTARGET; tryAMAGICun(compl);
+ dVAR; dSP; dTARGET; tryAMAGICun(compl);
{
dTOPss;
- if (SvGMAGICAL(sv))
- mg_get(sv);
+ SvGETMAGIC(sv);
if (SvNIOKp(sv)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV i = ~SvIV_nomg(sv);
+ const IV i = ~SvIV_nomg(sv);
SETi(i);
}
else {
- UV u = ~SvUV_nomg(sv);
+ const UV u = ~SvUV_nomg(sv);
SETu(u);
}
}
register I32 anum;
STRLEN len;
- (void)SvPV_nomg(sv,len); /* force check for uninit var */
+ (void)SvPV_nomg_const(sv,len); /* force check for uninit var */
sv_setsv_nomg(TARG, sv);
tmps = (U8*)SvPV_force(TARG, len);
anum = len;
send = tmps + len;
while (tmps < send) {
- UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV);
+ const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV);
tmps += UTF8SKIP(tmps);
targlen += UNISKIP(~c);
nchar++;
tmps -= len;
if (nwide) {
- Newz(0, result, targlen + 1, U8);
+ Newxz(result, targlen + 1, U8);
while (tmps < send) {
- UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV);
+ const UV c = utf8n_to_uvchr(tmps, send-tmps, &l, UTF8_ALLOW_ANYUV);
tmps += UTF8SKIP(tmps);
result = uvchr_to_utf8_flags(result, ~c, UNICODE_ALLOW_ANY);
}
SvUTF8_on(TARG);
}
else {
- Newz(0, result, nchar + 1, U8);
+ Newxz(result, nchar + 1, U8);
while (tmps < send) {
- U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY);
+ const U8 c = (U8)utf8n_to_uvchr(tmps, 0, &l, UTF8_ALLOW_ANY);
tmps += UTF8SKIP(tmps);
*result++ = ~c;
}
PP(pp_i_multiply)
{
- dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
{
dPOPTOPiirl;
SETi( left * right );
PP(pp_i_divide)
{
- dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
+ IV num;
+ dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
{
dPOPiv;
if (value == 0)
- DIE(aTHX_ "Illegal division by zero");
- value = POPi / value;
+ DIE(aTHX_ "Illegal division by zero");
+ num = POPi;
+
+ /* avoid FPE_INTOVF on some platforms when num is IV_MIN */
+ if (value == -1)
+ value = - num;
+ else
+ value = num / value;
PUSHi( value );
RETURN;
}
dPOPTOPiirl;
if (!right)
DIE(aTHX_ "Illegal modulus zero");
- SETi( left % right );
+ /* avoid FPE_INTOVF on some platforms when left is IV_MIN */
+ if (right == -1)
+ SETi( 0 );
+ else
+ SETi( left % right );
RETURN;
}
}
/* This is the i_modulo with the workaround for the _moddi3 bug
* in (at least) glibc 2.2.5 (the PERL_ABS() the workaround).
* See below for pp_i_modulo. */
- dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
+ dVAR; dVAR; dSP; dATARGET; tryAMAGICbin(modulo,opASSIGN);
{
dPOPTOPiirl;
if (!right)
DIE(aTHX_ "Illegal modulus zero");
- SETi( left % PERL_ABS(right) );
+ /* avoid FPE_INTOVF on some platforms when left is IV_MIN */
+ if (right == -1)
+ SETi( 0 );
+ else
+ SETi( left % PERL_ABS(right) );
RETURN;
}
}
/* The assumption is to use hereafter the old vanilla version... */
PL_op->op_ppaddr =
PL_ppaddr[OP_I_MODULO] =
- &Perl_pp_i_modulo_0;
+ Perl_pp_i_modulo_0;
/* .. but if we have glibc, we might have a buggy _moddi3
* (at least glicb 2.2.5 is known to have this bug), in other
* words our integer modulus with negative quad as the second
}
}
#endif
- SETi( left % right );
+ /* avoid FPE_INTOVF on some platforms when left is IV_MIN */
+ if (right == -1)
+ SETi( 0 );
+ else
+ SETi( left % right );
RETURN;
}
}
PP(pp_i_add)
{
- dSP; dATARGET; tryAMAGICbin(add,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(add,opASSIGN);
{
dPOPTOPiirl_ul;
SETi( left + right );
PP(pp_i_subtract)
{
- dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
+ dVAR; dSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
{
dPOPTOPiirl_ul;
SETi( left - right );
PP(pp_i_lt)
{
- dSP; tryAMAGICbinSET(lt,0);
+ dVAR; dSP; tryAMAGICbinSET(lt,0);
{
dPOPTOPiirl;
SETs(boolSV(left < right));
PP(pp_i_gt)
{
- dSP; tryAMAGICbinSET(gt,0);
+ dVAR; dSP; tryAMAGICbinSET(gt,0);
{
dPOPTOPiirl;
SETs(boolSV(left > right));
PP(pp_i_le)
{
- dSP; tryAMAGICbinSET(le,0);
+ dVAR; dSP; tryAMAGICbinSET(le,0);
{
dPOPTOPiirl;
SETs(boolSV(left <= right));
PP(pp_i_ge)
{
- dSP; tryAMAGICbinSET(ge,0);
+ dVAR; dSP; tryAMAGICbinSET(ge,0);
{
dPOPTOPiirl;
SETs(boolSV(left >= right));
PP(pp_i_eq)
{
- dSP; tryAMAGICbinSET(eq,0);
+ dVAR; dSP; tryAMAGICbinSET(eq,0);
{
dPOPTOPiirl;
SETs(boolSV(left == right));
PP(pp_i_ne)
{
- dSP; tryAMAGICbinSET(ne,0);
+ dVAR; dSP; tryAMAGICbinSET(ne,0);
{
dPOPTOPiirl;
SETs(boolSV(left != right));
PP(pp_i_ncmp)
{
- dSP; dTARGET; tryAMAGICbin(ncmp,0);
+ dVAR; dSP; dTARGET; tryAMAGICbin(ncmp,0);
{
dPOPTOPiirl;
I32 value;
PP(pp_i_negate)
{
- dSP; dTARGET; tryAMAGICun(neg);
+ dVAR; dSP; dTARGET; tryAMAGICun(neg);
SETi(-TOPi);
RETURN;
}
PP(pp_atan2)
{
- dSP; dTARGET; tryAMAGICbin(atan2,0);
+ dVAR; dSP; dTARGET; tryAMAGICbin(atan2,0);
{
dPOPTOPnnrl;
SETn(Perl_atan2(left, right));
PP(pp_sin)
{
- dSP; dTARGET; tryAMAGICun(sin);
- {
- NV value;
- value = POPn;
- value = Perl_sin(value);
- XPUSHn(value);
- RETURN;
+ dVAR; dSP; dTARGET;
+ int amg_type = sin_amg;
+ const char *neg_report = NULL;
+ NV (*func)(NV) = Perl_sin;
+ const int op_type = PL_op->op_type;
+
+ switch (op_type) {
+ case OP_COS:
+ amg_type = cos_amg;
+ func = Perl_cos;
+ break;
+ case OP_EXP:
+ amg_type = exp_amg;
+ func = Perl_exp;
+ break;
+ case OP_LOG:
+ amg_type = log_amg;
+ func = Perl_log;
+ neg_report = "log";
+ break;
+ case OP_SQRT:
+ amg_type = sqrt_amg;
+ func = Perl_sqrt;
+ neg_report = "sqrt";
+ break;
}
-}
-PP(pp_cos)
-{
- dSP; dTARGET; tryAMAGICun(cos);
+ tryAMAGICun_var(amg_type);
{
- NV value;
- value = POPn;
- value = Perl_cos(value);
- XPUSHn(value);
+ const NV value = POPn;
+ if (neg_report) {
+ if (op_type == OP_LOG ? (value <= 0.0) : (value < 0.0)) {
+ SET_NUMERIC_STANDARD();
+ DIE(aTHX_ "Can't take %s of %"NVgf, neg_report, value);
+ }
+ }
+ XPUSHn(func(value));
RETURN;
}
}
PP(pp_rand)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
NV value;
if (MAXARG < 1)
value = 1.0;
PP(pp_srand)
{
- dSP;
- UV anum;
- if (MAXARG < 1)
- anum = seed();
- else
- anum = POPu;
+ dVAR; dSP;
+ const UV anum = (MAXARG < 1) ? seed() : POPu;
(void)seedDrand01((Rand_seed_t)anum);
PL_srand_called = TRUE;
EXTEND(SP, 1);
RETPUSHYES;
}
-PP(pp_exp)
-{
- dSP; dTARGET; tryAMAGICun(exp);
- {
- NV value;
- value = POPn;
- value = Perl_exp(value);
- XPUSHn(value);
- RETURN;
- }
-}
-
-PP(pp_log)
-{
- dSP; dTARGET; tryAMAGICun(log);
- {
- NV value;
- value = POPn;
- if (value <= 0.0) {
- SET_NUMERIC_STANDARD();
- DIE(aTHX_ "Can't take log of %"NVgf, value);
- }
- value = Perl_log(value);
- XPUSHn(value);
- RETURN;
- }
-}
-
-PP(pp_sqrt)
-{
- dSP; dTARGET; tryAMAGICun(sqrt);
- {
- NV value;
- value = POPn;
- if (value < 0.0) {
- SET_NUMERIC_STANDARD();
- DIE(aTHX_ "Can't take sqrt of %"NVgf, value);
- }
- value = Perl_sqrt(value);
- XPUSHn(value);
- RETURN;
- }
-}
-
PP(pp_int)
{
- dSP; dTARGET; tryAMAGICun(int);
+ dVAR; dSP; dTARGET; tryAMAGICun(int);
{
- NV value;
- IV iv = TOPi; /* attempt to convert to IV if possible. */
+ const IV iv = TOPi; /* attempt to convert to IV if possible. */
/* XXX it's arguable that compiler casting to IV might be subtly
different from modf (for numbers inside (IV_MIN,UV_MAX)) in which
else preferring IV has introduced a subtle behaviour change bug. OTOH
SETu(0);
else if (SvIOK(TOPs)) {
if (SvIsUV(TOPs)) {
- UV uv = TOPu;
+ const UV uv = TOPu;
SETu(uv);
} else
SETi(iv);
} else {
- value = TOPn;
+ const NV value = TOPn;
if (value >= 0.0) {
if (value < (NV)UV_MAX + 0.5) {
SETu(U_V(value));
PP(pp_abs)
{
- dSP; dTARGET; tryAMAGICun(abs);
+ dVAR; dSP; dTARGET; tryAMAGICun(abs);
{
/* This will cache the NV value if string isn't actually integer */
- IV iv = TOPi;
+ const IV iv = TOPi;
if (!SvOK(TOPs))
SETu(0);
}
}
} else{
- NV value = TOPn;
+ const NV value = TOPn;
if (value < 0.0)
- value = -value;
- SETn(value);
+ SETn(-value);
+ else
+ SETn(value);
}
}
RETURN;
}
-
-PP(pp_hex)
-{
- dSP; dTARGET;
- char *tmps;
- I32 flags = PERL_SCAN_ALLOW_UNDERSCORES;
- STRLEN len;
- NV result_nv;
- UV result_uv;
- SV* sv = POPs;
-
- tmps = (SvPVx(sv, len));
- if (DO_UTF8(sv)) {
- /* If Unicode, try to downgrade
- * If not possible, croak. */
- SV* tsv = sv_2mortal(newSVsv(sv));
-
- SvUTF8_on(tsv);
- sv_utf8_downgrade(tsv, FALSE);
- tmps = SvPVX(tsv);
- }
- result_uv = grok_hex (tmps, &len, &flags, &result_nv);
- if (flags & PERL_SCAN_GREATER_THAN_UV_MAX) {
- XPUSHn(result_nv);
- }
- else {
- XPUSHu(result_uv);
- }
- RETURN;
-}
-
PP(pp_oct)
{
- dSP; dTARGET;
- char *tmps;
+ dVAR; dSP; dTARGET;
+ const char *tmps;
I32 flags = PERL_SCAN_ALLOW_UNDERSCORES;
STRLEN len;
NV result_nv;
UV result_uv;
- SV* sv = POPs;
+ SV* const sv = POPs;
- tmps = (SvPVx(sv, len));
+ tmps = (SvPV_const(sv, len));
if (DO_UTF8(sv)) {
/* If Unicode, try to downgrade
* If not possible, croak. */
- SV* tsv = sv_2mortal(newSVsv(sv));
+ SV* const tsv = sv_2mortal(newSVsv(sv));
SvUTF8_on(tsv);
sv_utf8_downgrade(tsv, FALSE);
- tmps = SvPVX(tsv);
+ tmps = SvPV_const(tsv, len);
}
+ if (PL_op->op_type == OP_HEX)
+ goto hex;
+
while (*tmps && len && isSPACE(*tmps))
tmps++, len--;
if (*tmps == '0')
tmps++, len--;
- if (*tmps == 'x')
+ if (*tmps == 'x') {
+ hex:
result_uv = grok_hex (tmps, &len, &flags, &result_nv);
+ }
else if (*tmps == 'b')
result_uv = grok_bin (tmps, &len, &flags, &result_nv);
else
PP(pp_length)
{
- dSP; dTARGET;
- SV *sv = TOPs;
+ dVAR; dSP; dTARGET;
+ SV * const sv = TOPs;
if (DO_UTF8(sv))
SETi(sv_len_utf8(sv));
PP(pp_substr)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
SV *sv;
I32 len = 0;
STRLEN curlen;
I32 fail;
const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET;
const char *tmps;
- const I32 arybase = PL_curcop->cop_arybase;
+ const I32 arybase = CopARYBASE_get(PL_curcop);
SV *repl_sv = NULL;
- const char *repl = 0;
+ const char *repl = NULL;
STRLEN repl_len;
- int num_args = PL_op->op_private & 7;
+ const int num_args = PL_op->op_private & 7;
bool repl_need_utf8_upgrade = FALSE;
bool repl_is_utf8 = FALSE;
if (num_args > 2) {
if (num_args > 3) {
repl_sv = POPs;
- repl = SvPV(repl_sv, repl_len);
+ repl = SvPV_const(repl_sv, repl_len);
repl_is_utf8 = DO_UTF8(repl_sv) && SvCUR(repl_sv);
}
len = POPi;
else if (DO_UTF8(sv))
repl_need_utf8_upgrade = TRUE;
}
- tmps = SvPV(sv, curlen);
+ tmps = SvPV_const(sv, curlen);
if (DO_UTF8(sv)) {
utf8_curlen = sv_len_utf8(sv);
if (utf8_curlen == curlen)
RETPUSHUNDEF;
}
else {
- I32 upos = pos;
- I32 urem = rem;
+ const I32 upos = pos;
+ const I32 urem = rem;
if (utf8_curlen)
sv_pos_u2b(sv, &pos, &rem);
tmps += pos;
if (repl_need_utf8_upgrade) {
repl_sv_copy = newSVsv(repl_sv);
sv_utf8_upgrade(repl_sv_copy);
- repl = SvPV(repl_sv_copy, repl_len);
+ repl = SvPV_const(repl_sv_copy, repl_len);
repl_is_utf8 = DO_UTF8(repl_sv_copy) && SvCUR(sv);
}
sv_insert(sv, pos, rem, repl, repl_len);
else if (lvalue) { /* it's an lvalue! */
if (!SvGMAGICAL(sv)) {
if (SvROK(sv)) {
- STRLEN n_a;
- SvPV_force(sv,n_a);
+ SvPV_force_nolen(sv);
if (ckWARN(WARN_SUBSTR))
Perl_warner(aTHX_ packWARN(WARN_SUBSTR),
"Attempt to use reference as lvalue in substr");
}
- if (SvOK(sv)) /* is it defined ? */
+ if (isGV_with_GP(sv))
+ SvPV_force_nolen(sv);
+ else if (SvOK(sv)) /* is it defined ? */
(void)SvPOK_only_UTF8(sv);
else
sv_setpvn(sv,"",0); /* avoid lexical reincarnation */
if (SvTYPE(TARG) < SVt_PVLV) {
sv_upgrade(TARG, SVt_PVLV);
- sv_magic(TARG, Nullsv, PERL_MAGIC_substr, Nullch, 0);
+ sv_magic(TARG, NULL, PERL_MAGIC_substr, NULL, 0);
}
else
SvOK_off(TARG);
if (LvTARG(TARG) != sv) {
if (LvTARG(TARG))
SvREFCNT_dec(LvTARG(TARG));
- LvTARG(TARG) = SvREFCNT_inc(sv);
+ LvTARG(TARG) = SvREFCNT_inc_simple(sv);
}
LvTARGOFF(TARG) = upos;
LvTARGLEN(TARG) = urem;
PP(pp_vec)
{
- dSP; dTARGET;
- register IV size = POPi;
- register IV offset = POPi;
- register SV *src = POPs;
- I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET;
+ dVAR; dSP; dTARGET;
+ register const IV size = POPi;
+ register const IV offset = POPi;
+ register SV * const src = POPs;
+ const I32 lvalue = PL_op->op_flags & OPf_MOD || LVRET;
SvTAINTED_off(TARG); /* decontaminate */
if (lvalue) { /* it's an lvalue! */
TARG = sv_newmortal();
if (SvTYPE(TARG) < SVt_PVLV) {
sv_upgrade(TARG, SVt_PVLV);
- sv_magic(TARG, Nullsv, PERL_MAGIC_vec, Nullch, 0);
+ sv_magic(TARG, NULL, PERL_MAGIC_vec, NULL, 0);
}
LvTYPE(TARG) = 'v';
if (LvTARG(TARG) != src) {
if (LvTARG(TARG))
SvREFCNT_dec(LvTARG(TARG));
- LvTARG(TARG) = SvREFCNT_inc(src);
+ LvTARG(TARG) = SvREFCNT_inc_simple(src);
}
LvTARGOFF(TARG) = offset;
LvTARGLEN(TARG) = size;
PP(pp_index)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
SV *big;
SV *little;
- SV *temp = Nullsv;
+ SV *temp = NULL;
+ STRLEN biglen;
+ STRLEN llen = 0;
I32 offset;
I32 retval;
- char *tmps;
- char *tmps2;
- STRLEN biglen;
- I32 arybase = PL_curcop->cop_arybase;
- int big_utf8;
- int little_utf8;
-
- if (MAXARG < 3)
- offset = 0;
- else
+ const char *tmps;
+ const char *tmps2;
+ const I32 arybase = CopARYBASE_get(PL_curcop);
+ bool big_utf8;
+ bool little_utf8;
+ const bool is_index = PL_op->op_type == OP_INDEX;
+
+ if (MAXARG >= 3) {
+ /* arybase is in characters, like offset, so combine prior to the
+ UTF-8 to bytes calculation. */
offset = POPi - arybase;
+ }
little = POPs;
big = POPs;
big_utf8 = DO_UTF8(big);
little_utf8 = DO_UTF8(little);
if (big_utf8 ^ little_utf8) {
/* One needs to be upgraded. */
- SV *bytes = little_utf8 ? big : little;
- STRLEN len;
- char *p = SvPV(bytes, len);
-
- temp = newSVpvn(p, len);
+ if (little_utf8 && !PL_encoding) {
+ /* Well, maybe instead we might be able to downgrade the small
+ string? */
+ STRLEN little_len;
+ const U8 * const little_pv = (U8*) SvPV_const(little, little_len);
+ char * const pv = (char*)bytes_from_utf8(little_pv, &little_len,
+ &little_utf8);
+ if (little_utf8) {
+ /* If the large string is ISO-8859-1, and it's not possible to
+ convert the small string to ISO-8859-1, then there is no
+ way that it could be found anywhere by index. */
+ retval = -1;
+ goto fail;
+ }
- if (PL_encoding) {
- sv_recode_to_utf8(temp, PL_encoding);
+ /* At this point, pv is a malloc()ed string. So donate it to temp
+ to ensure it will get free()d */
+ little = temp = newSV(0);
+ sv_usepvn(temp, pv, little_len);
} else {
- sv_utf8_upgrade(temp);
- }
- if (little_utf8) {
- big = temp;
- big_utf8 = TRUE;
- } else {
- little = temp;
- }
- }
- if (big_utf8 && offset > 0)
- sv_pos_u2b(big, &offset, 0);
- tmps = SvPV(big, biglen);
- if (offset < 0)
- offset = 0;
- else if (offset > (I32)biglen)
- offset = biglen;
- if (!(tmps2 = fbm_instr((unsigned char*)tmps + offset,
- (unsigned char*)tmps + biglen, little, 0)))
- retval = -1;
- else
- retval = tmps2 - tmps;
- if (retval > 0 && big_utf8)
- sv_pos_b2u(big, &retval);
- if (temp)
- SvREFCNT_dec(temp);
- PUSHi(retval + arybase);
- RETURN;
-}
-
-PP(pp_rindex)
-{
- dSP; dTARGET;
- SV *big;
- SV *little;
- SV *temp = Nullsv;
- STRLEN blen;
- STRLEN llen;
- I32 offset;
- I32 retval;
- char *tmps;
- char *tmps2;
- I32 arybase = PL_curcop->cop_arybase;
- int big_utf8;
- int little_utf8;
-
- if (MAXARG >= 3)
- offset = POPi;
- little = POPs;
- big = POPs;
- big_utf8 = DO_UTF8(big);
- little_utf8 = DO_UTF8(little);
- if (big_utf8 ^ little_utf8) {
- /* One needs to be upgraded. */
- SV *bytes = little_utf8 ? big : little;
- STRLEN len;
- char *p = SvPV(bytes, len);
+ SV * const bytes = little_utf8 ? big : little;
+ STRLEN len;
+ const char * const p = SvPV_const(bytes, len);
- temp = newSVpvn(p, len);
+ temp = newSVpvn(p, len);
- if (PL_encoding) {
- sv_recode_to_utf8(temp, PL_encoding);
- } else {
- sv_utf8_upgrade(temp);
- }
- if (little_utf8) {
- big = temp;
- big_utf8 = TRUE;
- } else {
- little = temp;
+ if (PL_encoding) {
+ sv_recode_to_utf8(temp, PL_encoding);
+ } else {
+ sv_utf8_upgrade(temp);
+ }
+ if (little_utf8) {
+ big = temp;
+ big_utf8 = TRUE;
+ } else {
+ little = temp;
+ }
}
}
- tmps2 = SvPV(little, llen);
- tmps = SvPV(big, blen);
+ /* Don't actually need the NULL initialisation, but it keeps gcc quiet. */
+ tmps2 = is_index ? NULL : SvPV_const(little, llen);
+ tmps = SvPV_const(big, biglen);
if (MAXARG < 3)
- offset = blen;
+ offset = is_index ? 0 : biglen;
else {
- if (offset > 0 && big_utf8)
+ if (big_utf8 && offset > 0)
sv_pos_u2b(big, &offset, 0);
- offset = offset - arybase + llen;
+ offset += llen;
}
if (offset < 0)
offset = 0;
- else if (offset > (I32)blen)
- offset = blen;
- if (!(tmps2 = rninstr(tmps, tmps + offset,
- tmps2, tmps2 + llen)))
+ else if (offset > (I32)biglen)
+ offset = biglen;
+ if (!(tmps2 = is_index
+ ? fbm_instr((unsigned char*)tmps + offset,
+ (unsigned char*)tmps + biglen, little, 0)
+ : rninstr(tmps, tmps + offset,
+ tmps2, tmps2 + llen)))
retval = -1;
- else
+ else {
retval = tmps2 - tmps;
- if (retval > 0 && big_utf8)
- sv_pos_b2u(big, &retval);
+ if (retval > 0 && big_utf8)
+ sv_pos_b2u(big, &retval);
+ }
if (temp)
SvREFCNT_dec(temp);
+ fail:
PUSHi(retval + arybase);
RETURN;
}
PP(pp_sprintf)
{
- dSP; dMARK; dORIGMARK; dTARGET;
+ dVAR; dSP; dMARK; dORIGMARK; dTARGET;
do_sprintf(TARG, SP-MARK, MARK+1);
TAINT_IF(SvTAINTED(TARG));
- if (DO_UTF8(*(MARK+1)))
- SvUTF8_on(TARG);
SP = ORIGMARK;
PUSHTARG;
RETURN;
PP(pp_ord)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
SV *argsv = POPs;
STRLEN len;
- U8 *s = (U8*)SvPVx(argsv, len);
+ const U8 *s = (U8*)SvPV_const(argsv, len);
SV *tmpsv;
if (PL_encoding && SvPOK(argsv) && !DO_UTF8(argsv)) {
PP(pp_chr)
{
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
char *tmps;
- UV value = POPu;
+ UV value;
- (void)SvUPGRADE(TARG,SVt_PV);
+ if (((SvIOK_notUV(TOPs) && SvIV(TOPs) < 0)
+ ||
+ (SvNOK(TOPs) && SvNV(TOPs) < 0.0))) {
+ if (IN_BYTES) {
+ value = POPu; /* chr(-1) eq chr(0xff), etc. */
+ } else {
+ (void) POPs; /* Ignore the argument value. */
+ value = UNICODE_REPLACEMENT;
+ }
+ } else {
+ value = POPu;
+ }
+
+ SvUPGRADE(TARG,SVt_PV);
if (value > 255 && !IN_BYTES) {
SvGROW(TARG, (STRLEN)UNISKIP(value)+1);
tmps = (char*)uvchr_to_utf8_flags((U8*)SvPVX(TARG), value, 0);
- SvCUR_set(TARG, tmps - SvPVX(TARG));
+ SvCUR_set(TARG, tmps - SvPVX_const(TARG));
*tmps = '\0';
(void)SvPOK_only(TARG);
SvUTF8_on(TARG);
PP(pp_crypt)
{
#ifdef HAS_CRYPT
- dSP; dTARGET;
+ dVAR; dSP; dTARGET;
dPOPTOPssrl;
- STRLEN n_a;
STRLEN len;
- char *tmps = SvPV(left, len);
+ const char *tmps = SvPV_const(left, len);
if (DO_UTF8(left)) {
/* If Unicode, try to downgrade.
* If not possible, croak.
* Yes, we made this up. */
- SV* tsv = sv_2mortal(newSVsv(left));
+ SV* const tsv = sv_2mortal(newSVsv(left));
SvUTF8_on(tsv);
sv_utf8_downgrade(tsv, FALSE);
- tmps = SvPVX(tsv);
+ tmps = SvPV_const(tsv, len);
}
# ifdef USE_ITHREADS
# ifdef HAS_CRYPT_R
# endif /* HAS_CRYPT_R */
# endif /* USE_ITHREADS */
# ifdef FCRYPT
- sv_setpv(TARG, fcrypt(tmps, SvPV(right, n_a)));
+ sv_setpv(TARG, fcrypt(tmps, SvPV_nolen_const(right)));
# else
- sv_setpv(TARG, PerlProc_crypt(tmps, SvPV(right, n_a)));
+ sv_setpv(TARG, PerlProc_crypt(tmps, SvPV_nolen_const(right)));
# endif
SETs(TARG);
RETURN;
PP(pp_ucfirst)
{
+ dVAR;
dSP;
SV *sv = TOPs;
- register U8 *s;
+ const U8 *s;
STRLEN slen;
+ const int op_type = PL_op->op_type;
SvGETMAGIC(sv);
if (DO_UTF8(sv) &&
- (s = (U8*)SvPV_nomg(sv, slen)) && slen &&
+ (s = (const U8*)SvPV_nomg_const(sv, slen)) && slen &&
UTF8_IS_START(*s)) {
U8 tmpbuf[UTF8_MAXBYTES_CASE+1];
STRLEN ulen;
STRLEN tculen;
utf8_to_uvchr(s, &ulen);
- toTITLE_utf8(s, tmpbuf, &tculen);
- utf8_to_uvchr(tmpbuf, 0);
+ if (op_type == OP_UCFIRST) {
+ toTITLE_utf8(s, tmpbuf, &tculen);
+ } else {
+ toLOWER_utf8(s, tmpbuf, &tculen);
+ }
- if (!SvPADTMP(sv) || SvREADONLY(sv)) {
+ if (!SvPADTMP(sv) || SvREADONLY(sv) || ulen != tculen) {
dTARGET;
/* slen is the byte length of the whole SV.
* ulen is the byte length of the original Unicode character
* stored as UTF-8 at s.
- * tculen is the byte length of the freshly titlecased
- * Unicode character stored as UTF-8 at tmpbuf.
- * We first set the result to be the titlecased character,
- * and then append the rest of the SV data. */
+ * tculen is the byte length of the freshly titlecased (or
+ * lowercased) Unicode character stored as UTF-8 at tmpbuf.
+ * We first set the result to be the titlecased (/lowercased)
+ * character, and then append the rest of the SV data. */
sv_setpvn(TARG, (char*)tmpbuf, tculen);
if (slen > ulen)
sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
SvUTF8_on(TARG);
- SETs(TARG);
- }
- else {
- s = (U8*)SvPV_force_nomg(sv, slen);
- Copy(tmpbuf, s, tculen, U8);
- }
- }
- else {
- if (!SvPADTMP(sv) || SvREADONLY(sv)) {
- dTARGET;
- SvUTF8_off(TARG); /* decontaminate */
- sv_setsv_nomg(TARG, sv);
sv = TARG;
SETs(sv);
}
- s = (U8*)SvPV_force_nomg(sv, slen);
- if (*s) {
- if (IN_LOCALE_RUNTIME) {
- TAINT;
- SvTAINTED_on(sv);
- *s = toUPPER_LC(*s);
- }
- else
- *s = toUPPER(*s);
- }
- }
- SvSETMAGIC(sv);
- RETURN;
-}
-
-PP(pp_lcfirst)
-{
- dSP;
- SV *sv = TOPs;
- register U8 *s;
- STRLEN slen;
-
- SvGETMAGIC(sv);
- if (DO_UTF8(sv) &&
- (s = (U8*)SvPV_nomg(sv, slen)) && slen &&
- UTF8_IS_START(*s)) {
- STRLEN ulen;
- U8 tmpbuf[UTF8_MAXBYTES_CASE+1];
- U8 *tend;
- UV uv;
-
- toLOWER_utf8(s, tmpbuf, &ulen);
- uv = utf8_to_uvchr(tmpbuf, 0);
- tend = uvchr_to_utf8(tmpbuf, uv);
-
- if (!SvPADTMP(sv) || (STRLEN)(tend - tmpbuf) != ulen || SvREADONLY(sv)) {
- dTARGET;
- sv_setpvn(TARG, (char*)tmpbuf, tend - tmpbuf);
- if (slen > ulen)
- sv_catpvn(TARG, (char*)(s + ulen), slen - ulen);
- SvUTF8_on(TARG);
- SETs(TARG);
- }
else {
s = (U8*)SvPV_force_nomg(sv, slen);
- Copy(tmpbuf, s, ulen, U8);
+ Copy(tmpbuf, s, tculen, U8);
}
}
else {
+ U8 *s1;
if (!SvPADTMP(sv) || SvREADONLY(sv)) {
dTARGET;
SvUTF8_off(TARG); /* decontaminate */
sv = TARG;
SETs(sv);
}
- s = (U8*)SvPV_force_nomg(sv, slen);
- if (*s) {
+ s1 = (U8*)SvPV_force_nomg(sv, slen);
+ if (*s1) {
if (IN_LOCALE_RUNTIME) {
TAINT;
SvTAINTED_on(sv);
- *s = toLOWER_LC(*s);
+ *s1 = (op_type == OP_UCFIRST)
+ ? toUPPER_LC(*s1) : toLOWER_LC(*s1);
}
else
- *s = toLOWER(*s);
+ *s1 = (op_type == OP_UCFIRST) ? toUPPER(*s1) : toLOWER(*s1);
}
}
SvSETMAGIC(sv);
PP(pp_uc)
{
+ dVAR;
dSP;
SV *sv = TOPs;
- register U8 *s;
STRLEN len;
SvGETMAGIC(sv);
dTARGET;
STRLEN ulen;
register U8 *d;
- U8 *send;
+ const U8 *s;
+ const U8 *send;
U8 tmpbuf[UTF8_MAXBYTES+1];
- s = (U8*)SvPV_nomg(sv,len);
+ s = (const U8*)SvPV_nomg_const(sv,len);
if (!len) {
SvUTF8_off(TARG); /* decontaminate */
sv_setpvn(TARG, "", 0);
- SETs(TARG);
+ sv = TARG;
+ SETs(sv);
}
else {
STRLEN min = len + 1;
- (void)SvUPGRADE(TARG, SVt_PV);
+ SvUPGRADE(TARG, SVt_PV);
SvGROW(TARG, min);
(void)SvPOK_only(TARG);
d = (U8*)SvPVX(TARG);
if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) {
/* If the eventually required minimum size outgrows
* the available space, we need to grow. */
- UV o = d - (U8*)SvPVX(TARG);
+ const UV o = d - (U8*)SvPVX_const(TARG);
/* If someone uppercases one million U+03B0s we
* SvGROW() one million times. Or we could try
}
*d = '\0';
SvUTF8_on(TARG);
- SvCUR_set(TARG, d - (U8*)SvPVX(TARG));
- SETs(TARG);
+ SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG));
+ sv = TARG;
+ SETs(sv);
}
}
else {
+ U8 *s;
if (!SvPADTMP(sv) || SvREADONLY(sv)) {
dTARGET;
SvUTF8_off(TARG); /* decontaminate */
}
s = (U8*)SvPV_force_nomg(sv, len);
if (len) {
- register U8 *send = s + len;
+ register const U8 *send = s + len;
if (IN_LOCALE_RUNTIME) {
TAINT;
PP(pp_lc)
{
+ dVAR;
dSP;
SV *sv = TOPs;
- register U8 *s;
STRLEN len;
SvGETMAGIC(sv);
if (DO_UTF8(sv)) {
dTARGET;
+ const U8 *s;
STRLEN ulen;
register U8 *d;
- U8 *send;
+ const U8 *send;
U8 tmpbuf[UTF8_MAXBYTES_CASE+1];
- s = (U8*)SvPV_nomg(sv,len);
+ s = (const U8*)SvPV_nomg_const(sv,len);
if (!len) {
SvUTF8_off(TARG); /* decontaminate */
sv_setpvn(TARG, "", 0);
- SETs(TARG);
+ sv = TARG;
+ SETs(sv);
}
else {
STRLEN min = len + 1;
- (void)SvUPGRADE(TARG, SVt_PV);
+ SvUPGRADE(TARG, SVt_PV);
SvGROW(TARG, min);
(void)SvPOK_only(TARG);
d = (U8*)SvPVX(TARG);
send = s + len;
while (s < send) {
- STRLEN u = UTF8SKIP(s);
- UV uv = toLOWER_utf8(s, tmpbuf, &ulen);
+ const STRLEN u = UTF8SKIP(s);
+ const UV uv = toLOWER_utf8(s, tmpbuf, &ulen);
#define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode U+03A3 */
if (uv == GREEK_CAPITAL_LETTER_SIGMA) {
+ /*EMPTY*/
/*
* Now if the sigma is NOT followed by
* /$ignorable_sequence$cased_letter/;
if (ulen > u && (SvLEN(TARG) < (min += ulen - u))) {
/* If the eventually required minimum size outgrows
* the available space, we need to grow. */
- UV o = d - (U8*)SvPVX(TARG);
+ const UV o = d - (U8*)SvPVX_const(TARG);
/* If someone lowercases one million U+0130s we
* SvGROW() one million times. Or we could try
}
*d = '\0';
SvUTF8_on(TARG);
- SvCUR_set(TARG, d - (U8*)SvPVX(TARG));
- SETs(TARG);
+ SvCUR_set(TARG, d - (U8*)SvPVX_const(TARG));
+ sv = TARG;
+ SETs(sv);
}
}
else {
+ U8 *s;
if (!SvPADTMP(sv) || SvREADONLY(sv)) {
dTARGET;
SvUTF8_off(TARG); /* decontaminate */
s = (U8*)SvPV_force_nomg(sv, len);
if (len) {
- register U8 *send = s + len;
+ register const U8 * const send = s + len;
if (IN_LOCALE_RUNTIME) {
TAINT;
PP(pp_quotemeta)
{
- dSP; dTARGET;
- SV *sv = TOPs;
+ dVAR; dSP; dTARGET;
+ SV * const sv = TOPs;
STRLEN len;
- register char *s = SvPV(sv,len);
- register char *d;
+ register const char *s = SvPV_const(sv,len);
SvUTF8_off(TARG); /* decontaminate */
if (len) {
- (void)SvUPGRADE(TARG, SVt_PV);
+ register char *d;
+ SvUPGRADE(TARG, SVt_PV);
SvGROW(TARG, (len * 2) + 1);
d = SvPVX(TARG);
if (DO_UTF8(sv)) {
}
}
*d = '\0';
- SvCUR_set(TARG, d - SvPVX(TARG));
+ SvCUR_set(TARG, d - SvPVX_const(TARG));
(void)SvPOK_only_UTF8(TARG);
}
else
PP(pp_aslice)
{
- dSP; dMARK; dORIGMARK;
- register SV** svp;
- register AV* av = (AV*)POPs;
- register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET);
- I32 arybase = PL_curcop->cop_arybase;
- I32 elem;
+ dVAR; dSP; dMARK; dORIGMARK;
+ register AV* const av = (AV*)POPs;
+ register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET);
if (SvTYPE(av) == SVt_PVAV) {
+ const I32 arybase = CopARYBASE_get(PL_curcop);
if (lval && PL_op->op_private & OPpLVAL_INTRO) {
+ register SV **svp;
I32 max = -1;
for (svp = MARK + 1; svp <= SP; svp++) {
- elem = SvIVx(*svp);
+ const I32 elem = SvIVx(*svp);
if (elem > max)
max = elem;
}
av_extend(av, max);
}
while (++MARK <= SP) {
- elem = SvIVx(*MARK);
+ register SV **svp;
+ I32 elem = SvIVx(*MARK);
if (elem > 0)
elem -= arybase;
PP(pp_each)
{
+ dVAR;
dSP;
- HV *hash = (HV*)POPs;
+ HV * const hash = (HV*)POPs;
HE *entry;
const I32 gimme = GIMME_V;
EXTEND(SP, 2);
if (entry) {
- SV* sv = hv_iterkeysv(entry);
+ SV* const sv = hv_iterkeysv(entry);
PUSHs(sv); /* won't clobber stack_sp */
if (gimme == G_ARRAY) {
SV *val;
RETURN;
}
-PP(pp_values)
-{
- return do_kv();
-}
-
-PP(pp_keys)
-{
- return do_kv();
-}
-
PP(pp_delete)
{
+ dVAR;
dSP;
const I32 gimme = GIMME_V;
const I32 discard = (gimme == G_VOID) ? G_DISCARD : 0;
- SV *sv;
- HV *hv;
if (PL_op->op_private & OPpSLICE) {
dMARK; dORIGMARK;
- U32 hvtype;
- hv = (HV*)POPs;
- hvtype = SvTYPE(hv);
+ HV * const hv = (HV*)POPs;
+ const U32 hvtype = SvTYPE(hv);
if (hvtype == SVt_PVHV) { /* hash element */
while (++MARK <= SP) {
- sv = hv_delete_ent(hv, *MARK, discard, 0);
+ SV * const sv = hv_delete_ent(hv, *MARK, discard, 0);
*MARK = sv ? sv : &PL_sv_undef;
}
}
else if (hvtype == SVt_PVAV) { /* array element */
if (PL_op->op_flags & OPf_SPECIAL) {
while (++MARK <= SP) {
- sv = av_delete((AV*)hv, SvIV(*MARK), discard);
+ SV * const sv = av_delete((AV*)hv, SvIV(*MARK), discard);
*MARK = sv ? sv : &PL_sv_undef;
}
}
}
else {
SV *keysv = POPs;
- hv = (HV*)POPs;
+ HV * const hv = (HV*)POPs;
+ SV *sv;
if (SvTYPE(hv) == SVt_PVHV)
sv = hv_delete_ent(hv, keysv, discard, 0);
else if (SvTYPE(hv) == SVt_PVAV) {
PP(pp_exists)
{
+ dVAR;
dSP;
SV *tmpsv;
HV *hv;
if (PL_op->op_private & OPpEXISTS_SUB) {
GV *gv;
- CV *cv;
- SV *sv = POPs;
- cv = sv_2cv(sv, &hv, &gv, FALSE);
+ SV * const sv = POPs;
+ CV * const cv = sv_2cv(sv, &hv, &gv, 0);
if (cv)
RETPUSHYES;
if (gv && isGV(gv) && GvCV(gv) && !GvCVGEN(gv))
PP(pp_hslice)
{
- dSP; dMARK; dORIGMARK;
- register HV *hv = (HV*)POPs;
- register I32 lval = (PL_op->op_flags & OPf_MOD || LVRET);
- bool localizing = PL_op->op_private & OPpLVAL_INTRO ? TRUE : FALSE;
+ dVAR; dSP; dMARK; dORIGMARK;
+ register HV * const hv = (HV*)POPs;
+ register const I32 lval = (PL_op->op_flags & OPf_MOD || LVRET);
+ const bool localizing = PL_op->op_private & OPpLVAL_INTRO;
bool other_magic = FALSE;
if (localizing) {
}
while (++MARK <= SP) {
- SV *keysv = *MARK;
+ SV * const keysv = *MARK;
SV **svp;
HE *he;
bool preeminent = FALSE;
DIE(aTHX_ PL_no_helem_sv, keysv);
}
if (localizing) {
- if (preeminent)
- save_helem(hv, keysv, svp);
- else {
- STRLEN keylen;
- char *key = SvPV(keysv, keylen);
- SAVEDELETE(hv, savepvn(key,keylen), keylen);
- }
+ if (HvNAME_get(hv) && isGV(*svp))
+ save_gp((GV*)*svp, !(PL_op->op_flags & OPf_SPECIAL));
+ else {
+ if (preeminent)
+ save_helem(hv, keysv, svp);
+ else {
+ STRLEN keylen;
+ const char * const key = SvPV_const(keysv, keylen);
+ SAVEDELETE(hv, savepvn(key,keylen),
+ SvUTF8(keysv) ? -keylen : keylen);
+ }
+ }
}
}
*MARK = svp ? *svp : &PL_sv_undef;
PP(pp_list)
{
- dSP; dMARK;
+ dVAR; dSP; dMARK;
if (GIMME != G_ARRAY) {
if (++MARK <= SP)
*MARK = *SP; /* unwanted list, return last item */
PP(pp_lslice)
{
+ dVAR;
dSP;
- SV **lastrelem = PL_stack_sp;
- SV **lastlelem = PL_stack_base + POPMARK;
- SV **firstlelem = PL_stack_base + POPMARK + 1;
- register SV **firstrelem = lastlelem + 1;
- I32 arybase = PL_curcop->cop_arybase;
- I32 lval = PL_op->op_flags & OPf_MOD;
- I32 is_something_there = lval;
-
- register I32 max = lastrelem - lastlelem;
+ SV ** const lastrelem = PL_stack_sp;
+ SV ** const lastlelem = PL_stack_base + POPMARK;
+ SV ** const firstlelem = PL_stack_base + POPMARK + 1;
+ register SV ** const firstrelem = lastlelem + 1;
+ const I32 arybase = CopARYBASE_get(PL_curcop);
+ I32 is_something_there = PL_op->op_flags & OPf_MOD;
+
+ register const I32 max = lastrelem - lastlelem;
register SV **lelem;
- register I32 ix;
if (GIMME != G_ARRAY) {
- ix = SvIVx(*lastlelem);
+ I32 ix = SvIVx(*lastlelem);
if (ix < 0)
ix += max;
else
}
for (lelem = firstlelem; lelem <= lastlelem; lelem++) {
- ix = SvIVx(*lelem);
+ I32 ix = SvIVx(*lelem);
if (ix < 0)
ix += max;
else
PP(pp_anonlist)
{
- dSP; dMARK; dORIGMARK;
- I32 items = SP - MARK;
- SV *av = sv_2mortal((SV*)av_make(items, MARK+1));
+ dVAR; dSP; dMARK; dORIGMARK;
+ const I32 items = SP - MARK;
+ SV * const av = sv_2mortal((SV*)av_make(items, MARK+1));
SP = ORIGMARK; /* av_make() might realloc stack_sp */
XPUSHs(av);
RETURN;
PP(pp_anonhash)
{
- dSP; dMARK; dORIGMARK;
- HV* hv = (HV*)sv_2mortal((SV*)newHV());
+ dVAR; dSP; dMARK; dORIGMARK;
+ HV* const hv = (HV*)sv_2mortal((SV*)newHV());
while (MARK < SP) {
- SV* key = *++MARK;
- SV *val = NEWSV(46, 0);
+ SV * const key = *++MARK;
+ SV * const val = newSV(0);
if (MARK < SP)
sv_setsv(val, *++MARK);
else if (ckWARN(WARN_MISC))
I32 newlen;
I32 after;
I32 diff;
- SV **tmparyval = 0;
- MAGIC *mg;
+ SV **tmparyval = NULL;
+ const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied);
- if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) {
+ if (mg) {
*MARK-- = SvTIED_obj((SV*)ary, mg);
PUSHMARK(MARK);
PUTBACK;
if (offset < 0)
offset += AvFILLp(ary) + 1;
else
- offset -= PL_curcop->cop_arybase;
+ offset -= CopARYBASE_get(PL_curcop);
if (offset < 0)
DIE(aTHX_ PL_no_aelem, i);
if (++MARK < SP) {
/* make new elements SVs now: avoid problems if they're from the array */
for (dst = MARK, i = newlen; i; i--) {
- SV *h = *dst;
+ SV * const h = *dst;
*dst++ = newSVsv(h);
}
if (diff < 0) { /* shrinking the area */
if (newlen) {
- New(451, tmparyval, newlen, SV*); /* so remember insertion */
+ Newx(tmparyval, newlen, SV*); /* so remember insertion */
Copy(MARK, tmparyval, newlen, SV*);
}
}
else { /* no, expanding (or same) */
if (length) {
- New(452, tmparyval, length, SV*); /* so remember deletion */
+ Newx(tmparyval, length, SV*); /* so remember deletion */
Copy(AvARRAY(ary)+offset, tmparyval, length, SV*);
}
{
dVAR; dSP; dMARK; dORIGMARK; dTARGET;
register AV *ary = (AV*)*++MARK;
- register SV *sv = &PL_sv_undef;
- MAGIC *mg;
+ const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied);
- if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) {
+ if (mg) {
*MARK-- = SvTIED_obj((SV*)ary, mg);
PUSHMARK(MARK);
PUTBACK;
call_method("PUSH",G_SCALAR|G_DISCARD);
LEAVE;
SPAGAIN;
+ SP = ORIGMARK;
+ PUSHi( AvFILL(ary) + 1 );
}
else {
- /* Why no pre-extend of ary here ? */
for (++MARK; MARK <= SP; MARK++) {
- sv = NEWSV(51, 0);
+ SV * const sv = newSV(0);
if (*MARK)
sv_setsv(sv, *MARK);
- av_push(ary, sv);
+ av_store(ary, AvFILLp(ary)+1, sv);
}
+ SP = ORIGMARK;
+ PUSHi( AvFILLp(ary) + 1 );
}
- SP = ORIGMARK;
- PUSHi( AvFILL(ary) + 1 );
- RETURN;
-}
-
-PP(pp_pop)
-{
- dSP;
- AV *av = (AV*)POPs;
- SV *sv = av_pop(av);
- if (AvREAL(av))
- (void)sv_2mortal(sv);
- PUSHs(sv);
RETURN;
}
PP(pp_shift)
{
+ dVAR;
dSP;
- AV *av = (AV*)POPs;
- SV *sv = av_shift(av);
+ AV * const av = (AV*)POPs;
+ SV * const sv = PL_op->op_type == OP_SHIFT ? av_shift(av) : av_pop(av);
EXTEND(SP, 1);
- if (!sv)
- RETPUSHUNDEF;
+ assert (sv);
if (AvREAL(av))
(void)sv_2mortal(sv);
PUSHs(sv);
{
dVAR; dSP; dMARK; dORIGMARK; dTARGET;
register AV *ary = (AV*)*++MARK;
- register SV *sv;
- register I32 i = 0;
- MAGIC *mg;
+ const MAGIC * const mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied);
- if ((mg = SvTIED_mg((SV*)ary, PERL_MAGIC_tied))) {
+ if (mg) {
*MARK-- = SvTIED_obj((SV*)ary, mg);
PUSHMARK(MARK);
PUTBACK;
SPAGAIN;
}
else {
+ register I32 i = 0;
av_unshift(ary, SP - MARK);
while (MARK < SP) {
- sv = newSVsv(*++MARK);
+ SV * const sv = newSVsv(*++MARK);
(void)av_store(ary, i++, sv);
}
}
PP(pp_reverse)
{
- dSP; dMARK;
- register SV *tmp;
- SV **oldsp = SP;
+ dVAR; dSP; dMARK;
+ SV ** const oldsp = SP;
if (GIMME == G_ARRAY) {
MARK++;
while (MARK < SP) {
- tmp = *MARK;
+ register SV * const tmp = *MARK;
*MARK++ = *SP;
*SP-- = tmp;
}
sv_setsv(TARG, (SP > MARK)
? *SP
: (padoff_du = find_rundefsvoffset(),
- (padoff_du == NOT_IN_PAD || PAD_COMPNAME_FLAGS(padoff_du) & SVpad_OUR)
+ (padoff_du == NOT_IN_PAD
+ || PAD_COMPNAME_FLAGS_isOUR(padoff_du))
? DEFSV : PAD_SVl(padoff_du)));
up = SvPV_force(TARG, len);
if (len > 1) {
if (DO_UTF8(TARG)) { /* first reverse each character */
U8* s = (U8*)SvPVX(TARG);
- U8* send = (U8*)(s + len);
+ const U8* send = (U8*)(s + len);
while (s < send) {
if (UTF8_IS_INVARIANT(*s)) {
s++;
dVAR; dSP; dTARG;
AV *ary;
register IV limit = POPi; /* note, negative is forever */
- SV *sv = POPs;
+ SV * const sv = POPs;
STRLEN len;
- register char *s = SvPV(sv, len);
- bool do_utf8 = DO_UTF8(sv);
- char *strend = s + len;
+ register const char *s = SvPV_const(sv, len);
+ const bool do_utf8 = DO_UTF8(sv);
+ const char *strend = s + len;
register PMOP *pm;
register REGEXP *rx;
register SV *dstr;
- register char *m;
+ register const char *m;
I32 iters = 0;
const STRLEN slen = do_utf8 ? utf8_length((U8*)s, (U8*)strend) : (strend - s);
I32 maxiters = slen + 10;
- I32 i;
- char *orig;
- I32 origlimit = limit;
+ const char *orig;
+ const I32 origlimit = limit;
I32 realarray = 0;
I32 base;
const I32 gimme = GIMME_V;
const I32 oldsave = PL_savestack_ix;
I32 make_mortal = 1;
bool multiline = 0;
- MAGIC *mg = (MAGIC *) NULL;
+ MAGIC *mg = NULL;
#ifdef DEBUGGING
Copy(&LvTARGOFF(POPs), &pm, 1, PMOP*);
else if (gimme != G_ARRAY)
ary = GvAVn(PL_defgv);
else
- ary = Nullav;
+ ary = NULL;
if (ary && (gimme != G_ARRAY || (pm->op_pmflags & PMf_ONCE))) {
realarray = 1;
PUTBACK;
}
else {
if (!AvREAL(ary)) {
+ I32 i;
AvREAL_on(ary);
AvREIFY_off(ary);
for (i = AvFILLp(ary); i >= 0; i--)
}
else if (rx->precomp[0] == '^' && rx->precomp[1] == '\0') {
while (--limit) {
- /*SUPPRESS 530*/
- for (m = s; m < strend && *m != '\n'; m++) ;
+ for (m = s; m < strend && *m != '\n'; m++)
+ ;
m++;
if (m >= strend)
break;
(rx->reganch & RE_USE_INTUIT) && !rx->nparens
&& (rx->reganch & ROPT_CHECK_ALL)
&& !(rx->reganch & ROPT_ANCH)) {
- int tail = (rx->reganch & RE_INTUIT_TAIL);
- SV *csv = CALLREG_INTUIT_STRING(aTHX_ rx);
+ const int tail = (rx->reganch & RE_INTUIT_TAIL);
+ SV * const csv = CALLREG_INTUIT_STRING(aTHX_ rx);
len = rx->minlen;
if (len == 1 && !(rx->reganch & ROPT_UTF8) && !tail) {
- STRLEN n_a;
- char c = *SvPV(csv, n_a);
+ const char c = *SvPV_nolen_const(csv);
while (--limit) {
- /*SUPPRESS 530*/
- for (m = s; m < strend && *m != c; m++) ;
+ for (m = s; m < strend && *m != c; m++)
+ ;
if (m >= strend)
break;
dstr = newSVpvn(s, m-s);
}
}
else {
-#ifndef lint
while (s < strend && --limit &&
(m = fbm_instr((unsigned char*)s, (unsigned char*)strend,
csv, multiline ? FBMrf_MULTILINE : 0)) )
-#endif
{
dstr = newSVpvn(s, m-s);
if (make_mortal)
maxiters += slen * rx->nparens;
while (s < strend && --limit)
{
+ I32 rex_return;
PUTBACK;
- i = CALLREGEXEC(aTHX_ rx, s, strend, orig, 1 , sv, NULL, 0);
+ rex_return = CALLREGEXEC(aTHX_ rx, (char*)s, (char*)strend, (char*)orig, 1 ,
+ sv, NULL, 0);
SPAGAIN;
- if (i == 0)
+ if (rex_return == 0)
break;
TAINT_IF(RX_MATCH_TAINTED(rx));
if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) {
(void)SvUTF8_on(dstr);
XPUSHs(dstr);
if (rx->nparens) {
+ I32 i;
for (i = 1; i <= (I32)rx->nparens; i++) {
s = rx->startp[i] + orig;
m = rx->endp[i] + orig;
/* keep field after final delim? */
if (s < strend || (iters && origlimit)) {
- STRLEN l = strend - s;
+ const STRLEN l = strend - s;
dstr = newSVpvn(s, l);
if (make_mortal)
sv_2mortal(dstr);
LEAVE;
SPAGAIN;
if (gimme == G_ARRAY) {
+ I32 i;
/* EXTEND should not be needed - we just popped them */
EXTEND(SP, iters);
for (i=0; i < iters; i++) {
PP(pp_lock)
{
+ dVAR;
dSP;
dTOPss;
SV *retsv = sv;
RETURN;
}
-PP(pp_threadsv)
+
+PP(unimplemented_op)
{
- DIE(aTHX_ "tried to access per-thread data in non-threaded perl");
+ dVAR;
+ DIE(aTHX_ "panic: unimplemented op %s (#%d) called", OP_NAME(PL_op),
+ PL_op->op_type);
}
/*
https://perl5.git.perl.org / perl5.git / blobdiff