static SV *
new_opset(pTHX_ SV *old_opset)
{
SV *opset;
dMY_CXT;
if (old_opset) {
verify_opset(aTHX_ old_opset,1);
opset = newSVsv(old_opset);
}
else {
opset = newSV(opset_len);
Zero(SvPVX_const(opset), opset_len + 1, char);
SvCUR_set(opset, opset_len);
(void)SvPOK_only(opset);
}
/* not mortalised here */
return opset;
}
/*multiple errors for multiple operations on a cookie*/
static inline void
error_pseudo_multi(
PLCBA_t *async,
PLCBA_cookie_t *cookie,
AV *reqlist,
libcouchbase_error_t *errors)
{
int i, idx_max;
AV *reqav;
libcouchbase_error_t errtmp;
SV **tmpsv;
idx_max = av_len(reqlist);
for(i = 0; i <= idx_max; i++) {
if(errors[i] == LIBCOUCHBASE_SUCCESS) {
continue;
}
reqav = (AV*)*(av_fetch(reqlist, i, 0));
tmpsv = av_fetch(reqav, PLCBA_REQIDX_KEY, 0);
error_single(async, cookie, SvPVX_const(*tmpsv), SvLEN(*tmpsv),
errors[i]);
}
}
OP *
Perl_scalarvoid(pTHX_ OP *o)
{
dVAR;
OP *kid;
const char* useless = NULL;
SV* sv;
U8 want;
PERL_ARGS_ASSERT_SCALARVOID;
/* trailing mad null ops don't count as "there" for void processing */
if (PL_madskills &&
o->op_type != OP_NULL &&
o->op_sibling &&
o->op_sibling->op_type == OP_NULL)
{
OP *sib;
for (sib = o->op_sibling;
sib && sib->op_type == OP_NULL;
sib = sib->op_sibling) ;
if (!sib)
return o;
}
if (o->op_type == OP_NEXTSTATE
|| o->op_type == OP_DBSTATE
|| (o->op_type == OP_NULL && (o->op_targ == OP_NEXTSTATE
|| o->op_targ == OP_DBSTATE)))
PL_curcop = (COP*)o; /* for warning below */
/* assumes no premature commitment */
want = o->op_flags & OPf_WANT;
if ((want && want != OPf_WANT_SCALAR)
|| (PL_parser && PL_parser->error_count)
|| o->op_type == OP_RETURN)
{
return o;
}
if ((o->op_flags & OPf_TARGET_MY)
&& (PL_opargs[o->op_type] & OA_TARGLEX))/* OPp share the meaning */
{
return scalar(o); /* As if inside SASSIGN */
}
o->op_flags = (o->op_flags & ~OPf_WANT) | OPf_WANT_VOID;
switch (o->op_type) {
default:
if (!(PL_opargs[o->op_type] & OA_FOLDCONST))
break;
/* FALL THROUGH */
case OP_REPEAT:
if (o->op_flags & OPf_STACKED)
break;
goto func_ops;
case OP_SUBSTR:
case OP_VEC:
if (o->op_private == 4)
break;
/* FALL THROUGH */
case OP_GVSV:
case OP_GV:
case OP_PADSV:
case OP_REF:
case OP_SREFGEN:
case OP_DEFINED:
case OP_HEX:
case OP_OCT:
case OP_LENGTH:
case OP_INDEX:
case OP_RINDEX:
case OP_SPRINTF:
case OP_ASLICE:
case OP_HSLICE:
case OP_UNPACK:
case OP_PACK:
case OP_JOIN:
case OP_LSLICE:
case OP_SORT:
case OP_REVERSE:
case OP_RANGE:
case OP_CALLER:
case OP_FILENO:
case OP_EOF:
case OP_TELL:
case OP_GETSOCKNAME:
case OP_GETPEERNAME:
case OP_READLINK:
case OP_TELLDIR:
case OP_GETPPID:
case OP_GETPGRP:
case OP_GETPRIORITY:
case OP_TIME:
case OP_TMS:
case OP_LOCALTIME:
case OP_GMTIME:
case OP_GHBYNAME:
case OP_GHBYADDR:
case OP_GHOSTENT:
case OP_GNBYNAME:
case OP_GNBYADDR:
case OP_GNETENT:
case OP_GPBYNAME:
case OP_GPBYNUMBER:
case OP_GPROTOENT:
case OP_GSBYNAME:
case OP_GSBYPORT:
case OP_GSERVENT:
case OP_GPWNAM:
case OP_GPWUID:
case OP_GGRNAM:
case OP_GGRGID:
case OP_GETLOGIN:
case OP_PROTOTYPE:
func_ops:
if (!(o->op_private & (OPpLVAL_INTRO|OPpOUR_INTRO)))
/* Otherwise it's "Useless use of grep iterator" */
useless = OP_DESC(o);
break;
case OP_HELEM:
case OP_AELEM:
case OP_AELEMFAST:
if (!(o->op_private & (OPpLVAL_INTRO|OPpOUR_INTRO|OPpELEM_ADD)))
/* Otherwise it's "Useless use of grep iterator" */
useless = OP_DESC(o);
break;
case OP_ANONARRAY:
case OP_ANONHASH:
useless = OP_DESC(o);
break;
case OP_NOT:
kid = cUNOPo->op_first;
if (kid->op_type != OP_MATCH && kid->op_type != OP_SUBST) {
goto func_ops;
}
useless = "negative pattern binding (!~)";
break;
case OP_RV2GV:
case OP_RV2SV:
case OP_RV2AV:
case OP_RV2HV:
if (!(o->op_private & (OPpLVAL_INTRO|OPpOUR_INTRO)) &&
(!o->op_sibling || o->op_sibling->op_type != OP_READLINE))
useless = "a variable";
break;
case OP_CONST:
sv = cSVOPo_sv;
if (cSVOPo->op_private & OPpCONST_STRICT)
Perl_croak_at(aTHX_
o->op_location,
"Bareword \"%"SVf"\" not allowed while \"strict subs\" in use",
SVfARG(cSVOPo_sv));
else {
if (ckWARN(WARN_VOID)) {
useless = "a constant";
/* don't warn on optimised away booleans, eg
* use constant Foo, 5; Foo || print; */
if (cSVOPo->op_private & OPpCONST_SHORTCIRCUIT)
useless = NULL;
/* the constants 0 and 1 are permitted as they are
conventionally used as dummies in constructs like
1 while some_condition_with_side_effects; */
else if (SvNIOK(sv) && (SvNV(sv) == 0.0 || SvNV(sv) == 1.0))
useless = NULL;
else if (SvPOK(sv)) {
/* perl4's way of mixing documentation and code
(before the invention of POD) was based on a
trick to mix nroff and perl code. The trick was
built upon these three nroff macros being used in
void context. The pink camel has the details in
the script wrapman near page 319. */
const char * const maybe_macro = SvPVX_const(sv);
if (strnEQ(maybe_macro, "di", 2) ||
strnEQ(maybe_macro, "ds", 2) ||
strnEQ(maybe_macro, "ig", 2))
useless = NULL;
}
}
}
op_null(o); /* don't execute or even remember it */
break;
#ifndef PERL_MAD
case OP_POSTINC:
o->op_type = OP_PREINC; /* pre-increment is faster */
o->op_ppaddr = PL_ppaddr[OP_PREINC];
break;
case OP_POSTDEC:
o->op_type = OP_PREDEC; /* pre-decrement is faster */
o->op_ppaddr = PL_ppaddr[OP_PREDEC];
break;
case OP_I_POSTINC:
o->op_type = OP_I_PREINC; /* pre-increment is faster */
o->op_ppaddr = PL_ppaddr[OP_I_PREINC];
break;
case OP_I_POSTDEC:
o->op_type = OP_I_PREDEC; /* pre-decrement is faster */
o->op_ppaddr = PL_ppaddr[OP_I_PREDEC];
break;
#endif /* MAD */
case OP_OR:
case OP_AND:
case OP_DOR:
case OP_COND_EXPR:
for (kid = cUNOPo->op_first->op_sibling; kid; kid = kid->op_sibling)
scalarvoid(kid);
break;
case OP_NULL:
if (o->op_flags & OPf_STACKED)
break;
/* FALL THROUGH */
case OP_NEXTSTATE:
case OP_DBSTATE:
case OP_ENTERTRY:
case OP_ENTER:
if (!(o->op_flags & OPf_KIDS))
break;
/* FALL THROUGH */
case OP_SCOPE:
case OP_LEAVE:
case OP_LEAVETRY:
case OP_LEAVELOOP:
case OP_LINESEQ:
case OP_LIST:
case OP_LISTLAST:
case OP_LISTFIRST:
for (kid = cLISTOPo->op_first; kid; kid = kid->op_sibling)
scalarvoid(kid);
break;
case OP_SASSIGN:
scalarvoid(cBINOPo->op_last);
break;
case OP_ENTEREVAL:
scalarkids(o);
break;
case OP_REQUIRE:
/* all requires must return a boolean value */
o->op_flags &= ~OPf_WANT;
/* FALL THROUGH */
case OP_SCALAR:
return scalar(o);
case OP_SPLIT:
if ((kid = cLISTOPo->op_first) && kid->op_type == OP_PUSHRE) {
if (!kPMOP->op_pmreplrootu.op_pmreplroot)
deprecate_old("implicit split to @_");
}
break;
}
if (useless && !(o->op_flags & OPf_ASSIGN)
&& ckWARN(WARN_VOID))
Perl_warner_at(aTHX_ o->op_location, packWARN(WARN_VOID), "Useless use of %s in void context", useless);
return o;
}
IV
PerlIOEncode_fill(pTHX_ PerlIO * f)
{
PerlIOEncode *e = PerlIOSelf(f, PerlIOEncode);
dSP;
IV code = 0;
PerlIO *n;
SSize_t avail;
if (PerlIO_flush(f) != 0)
return -1;
n = PerlIONext(f);
if (!PerlIO_fast_gets(n)) {
/* Things get too messy if we don't have a buffer layer
push a :perlio to do the job */
char mode[8];
n = PerlIO_push(aTHX_ n, &PerlIO_perlio, PerlIO_modestr(f,mode), Nullsv);
if (!n) {
Perl_die(aTHX_ "panic: cannot push :perlio for %p",f);
}
}
PUSHSTACKi(PERLSI_MAGIC);
SPAGAIN;
ENTER;
SAVETMPS;
retry:
avail = PerlIO_get_cnt(n);
if (avail <= 0) {
avail = PerlIO_fill(n);
if (avail == 0) {
avail = PerlIO_get_cnt(n);
}
else {
if (!PerlIO_error(n) && PerlIO_eof(n))
avail = 0;
}
}
if (avail > 0 || (e->flags & NEEDS_LINES)) {
STDCHAR *ptr = PerlIO_get_ptr(n);
SSize_t use = (avail >= 0) ? avail : 0;
SV *uni;
char *s = NULL;
STRLEN len = 0;
e->base.ptr = e->base.end = (STDCHAR *) NULL;
(void) PerlIOEncode_get_base(aTHX_ f);
if (!e->dataSV)
e->dataSV = newSV(0);
if (SvTYPE(e->dataSV) < SVt_PV) {
sv_upgrade(e->dataSV,SVt_PV);
}
if (e->flags & NEEDS_LINES) {
/* Encoding needs whole lines (e.g. iso-2022-*)
search back from end of available data for
and line marker
*/
STDCHAR *nl = ptr+use-1;
while (nl >= ptr) {
if (*nl == '\n') {
break;
}
nl--;
}
if (nl >= ptr && *nl == '\n') {
/* found a line - take up to and including that */
use = (nl+1)-ptr;
}
else if (avail > 0) {
/* No line, but not EOF - append avail to the pending data */
sv_catpvn(e->dataSV, (char*)ptr, use);
PerlIO_set_ptrcnt(n, ptr+use, 0);
goto retry;
}
else if (!SvCUR(e->dataSV)) {
goto end_of_file;
}
}
if (SvCUR(e->dataSV)) {
/* something left over from last time - create a normal
SV with new data appended
*/
if (use + SvCUR(e->dataSV) > e->base.bufsiz) {
if (e->flags & NEEDS_LINES) {
/* Have to grow buffer */
e->base.bufsiz = use + SvCUR(e->dataSV);
PerlIOEncode_get_base(aTHX_ f);
}
else {
use = e->base.bufsiz - SvCUR(e->dataSV);
}
}
sv_catpvn(e->dataSV,(char*)ptr,use);
}
else {
/* Create a "dummy" SV to represent the available data from layer below */
if (SvLEN(e->dataSV) && SvPVX_const(e->dataSV)) {
Safefree(SvPVX_mutable(e->dataSV));
}
if (use > (SSize_t)e->base.bufsiz) {
if (e->flags & NEEDS_LINES) {
/* Have to grow buffer */
e->base.bufsiz = use;
PerlIOEncode_get_base(aTHX_ f);
}
else {
use = e->base.bufsiz;
}
}
SvPV_set(e->dataSV, (char *) ptr);
SvLEN_set(e->dataSV, 0); /* Hands off sv.c - it isn't yours */
SvCUR_set(e->dataSV,use);
SvPOK_only(e->dataSV);
}
SvUTF8_off(e->dataSV);
PUSHMARK(sp);
XPUSHs(e->enc);
XPUSHs(e->dataSV);
XPUSHs(e->chk);
PUTBACK;
if (call_method("decode", G_SCALAR) != 1) {
Perl_die(aTHX_ "panic: decode did not return a value");
}
SPAGAIN;
uni = POPs;
PUTBACK;
/* Now get translated string (forced to UTF-8) and use as buffer */
if (SvPOK(uni)) {
s = SvPVutf8(uni, len);
#ifdef PARANOID_ENCODE_CHECKS
if (len && !is_utf8_string((U8*)s,len)) {
Perl_warn(aTHX_ "panic: decode did not return UTF-8 '%.*s'",(int) len,s);
}
#endif
}
if (len > 0) {
/* Got _something */
/* if decode gave us back dataSV then data may vanish when
we do ptrcnt adjust - so take our copy now.
(The copy is a pain - need a put-it-here option for decode.)
*/
sv_setpvn(e->bufsv,s,len);
e->base.ptr = e->base.buf = (STDCHAR*)SvPVX(e->bufsv);
e->base.end = e->base.ptr + SvCUR(e->bufsv);
PerlIOBase(f)->flags |= PERLIO_F_RDBUF;
SvUTF8_on(e->bufsv);
/* Adjust ptr/cnt not taking anything which
did not translate - not clear this is a win */
/* compute amount we took */
use -= SvCUR(e->dataSV);
PerlIO_set_ptrcnt(n, ptr+use, (avail-use));
/* and as we did not take it it isn't pending */
SvCUR_set(e->dataSV,0);
} else {
/* Got nothing - assume partial character so we need some more */
/* Make sure e->dataSV is a normal SV before re-filling as
buffer alias will change under us
*/
s = SvPV(e->dataSV,len);
sv_setpvn(e->dataSV,s,len);
PerlIO_set_ptrcnt(n, ptr+use, (avail-use));
goto retry;
}
}
else {
end_of_file:
code = -1;
if (avail == 0)
PerlIOBase(f)->flags |= PERLIO_F_EOF;
else
PerlIOBase(f)->flags |= PERLIO_F_ERROR;
}
FREETMPS;
LEAVE;
POPSTACK;
return code;
}
