/* pp_hot.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
IO *io;
register PerlIO *fp;
MAGIC *mg;
+ STRLEN n_a;
if (PL_op->op_flags & OPf_STACKED)
gv = (GV*)*++MARK;
if (ckWARN(WARN_UNOPENED)) {
SV* sv = sv_newmortal();
gv_fullname3(sv, gv, Nullch);
- warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,PL_na));
+ warner(WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
}
SETERRNO(EBADF,RMS$_IFI);
gv_fullname3(sv, gv, Nullch);
if (IoIFP(io))
warner(WARN_IO, "Filehandle %s opened only for input",
- SvPV(sv,PL_na));
+ SvPV(sv,n_a));
else if (ckWARN(WARN_CLOSED))
warner(WARN_CLOSED, "print on closed filehandle %s",
- SvPV(sv,PL_na));
+ SvPV(sv,n_a));
}
SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
goto just_say_no;
if (SvTYPE(sv) != SVt_PVGV) {
char *sym;
+ STRLEN n_a;
if (SvGMAGICAL(sv)) {
mg_get(sv);
if (ckWARN(WARN_UNINITIALIZED))
warner(WARN_UNINITIALIZED, PL_warn_uninit);
if (GIMME == G_ARRAY) {
- POPs;
+ (void)POPs;
RETURN;
}
RETSETUNDEF;
}
- sym = SvPV(sv,PL_na);
- if (PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_symref, sym, "an ARRAY");
- gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVAV);
- } else {
+ sym = SvPV(sv,n_a);
+ if ((PL_op->op_flags & OPf_SPECIAL) &&
+ !(PL_op->op_flags & OPf_MOD))
+ {
+ gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PVAV);
+ if (!gv)
+ RETSETUNDEF;
+ }
+ else {
+ if (PL_op->op_private & HINT_STRICT_REFS)
+ DIE(PL_no_symref, sym, "an ARRAY");
+ gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVAV);
+ }
+ }
+ else {
gv = (GV*)sv;
}
av = GvAVn(gv);
if (GIMME == G_ARRAY) {
I32 maxarg = AvFILL(av) + 1;
- POPs; /* XXXX May be optimized away? */
+ (void)POPs; /* XXXX May be optimized away? */
EXTEND(SP, maxarg);
if (SvRMAGICAL(av)) {
U32 i;
if (SvTYPE(sv) != SVt_PVGV) {
char *sym;
+ STRLEN n_a;
if (SvGMAGICAL(sv)) {
mg_get(sv);
}
RETSETUNDEF;
}
- sym = SvPV(sv,PL_na);
- if (PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_symref, sym, "a HASH");
- gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVHV);
- } else {
+ sym = SvPV(sv,n_a);
+ if ((PL_op->op_flags & OPf_SPECIAL) &&
+ !(PL_op->op_flags & OPf_MOD))
+ {
+ gv = (GV*)gv_fetchpv(sym, FALSE, SVt_PVHV);
+ if (!gv)
+ RETSETUNDEF;
+ }
+ else {
+ if (PL_op->op_private & HINT_STRICT_REFS)
+ DIE(PL_no_symref, sym, "a HASH");
+ gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVHV);
+ }
+ }
+ else {
gv = (GV*)sv;
}
hv = GvHVn(gv);
if (SvSMAGICAL(sv))
mg_set(sv);
if (!didstore)
- SvREFCNT_dec(sv);
+ sv_2mortal(sv);
}
TAINT_NOT;
}
if (SvSMAGICAL(tmpstr))
mg_set(tmpstr);
if (!didstore)
- SvREFCNT_dec(tmpstr);
+ sv_2mortal(tmpstr);
}
TAINT_NOT;
}
if (SvSMAGICAL(tmpstr))
mg_set(tmpstr);
if (!didstore)
- SvREFCNT_dec(tmpstr);
+ sv_2mortal(tmpstr);
}
TAINT_NOT;
}
djSP;
register PMOP *pm = cPMOP;
SV *rv = sv_newmortal();
- SV *sv = newSVrv(rv, "re");
+ SV *sv = newSVrv(rv, "Regexp");
sv_magic(sv,(SV*)ReREFCNT_inc(pm->op_pmregexp),'r',0,0);
RETURNX(PUSHs(rv));
}
register char *s;
char *strend;
I32 global;
- I32 safebase;
+ I32 r_flags = 0;
char *truebase;
register REGEXP *rx = pm->op_pmregexp;
bool rxtainted;
I32 minmatch = 0;
I32 oldsave = PL_savestack_ix;
I32 update_minmatch = 1;
- SV *screamer;
+ I32 had_zerolen = 0;
if (PL_op->op_flags & OPf_STACKED)
TARG = POPs;
}
if (rx->minlen > len) goto failure;
- screamer = ( (SvSCREAM(TARG) && rx->check_substr
- && SvTYPE(rx->check_substr) == SVt_PVBM
- && SvVALID(rx->check_substr))
- ? TARG : Nullsv);
truebase = t = s;
+
+ /* XXXX What part of this is needed with true \G-support? */
if (global = pm->op_pmflags & PMf_GLOBAL) {
rx->startp[0] = 0;
if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) {
MAGIC* mg = mg_find(TARG, 'g');
if (mg && mg->mg_len >= 0) {
- rx->endp[0] = rx->startp[0] = s + mg->mg_len;
+ if (!(rx->reganch & ROPT_GPOS_SEEN))
+ rx->endp[0] = rx->startp[0] = s + mg->mg_len;
+ else if (rx->reganch & ROPT_ANCH_GPOS) {
+ r_flags |= REXEC_IGNOREPOS;
+ rx->endp[0] = rx->startp[0] = s + mg->mg_len;
+ }
minmatch = (mg->mg_flags & MGf_MINMATCH);
update_minmatch = 0;
}
}
}
- safebase = ((gimme != G_ARRAY && !global && rx->nparens)
- || SvTEMP(TARG) || PL_sawampersand)
- ? REXEC_COPY_STR : 0;
+ if ((gimme != G_ARRAY && !global && rx->nparens)
+ || SvTEMP(TARG) || PL_sawampersand)
+ r_flags |= REXEC_COPY_STR;
+ if (SvSCREAM(TARG) && rx->check_substr
+ && SvTYPE(rx->check_substr) == SVt_PVBM
+ && SvVALID(rx->check_substr))
+ r_flags |= REXEC_SCREAM;
+
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
SAVEINT(PL_multiline);
PL_multiline = pm->op_pmflags & PMf_MULTILINE;
if ((s + rx->minlen) > strend)
goto nope;
if (update_minmatch++)
- minmatch = (s == rx->startp[0]);
+ minmatch = had_zerolen;
}
if (rx->check_substr) {
if (!(rx->reganch & ROPT_NOSCAN)) { /* Floating checkstring. */
- if ( screamer ) {
+ if (r_flags & REXEC_SCREAM) {
I32 p = -1;
char *b;
rx->float_substr = Nullsv;
}
}
- if (CALLREGEXEC(rx, s, strend, truebase, minmatch,
- screamer, NULL, safebase))
+ if (CALLREGEXEC(rx, s, strend, truebase, minmatch, TARG, NULL, r_flags))
{
PL_curpm = pm;
if (pm->op_pmflags & PMf_ONCE)
if (global) {
truebase = rx->subbeg;
strend = rx->subend;
- if (rx->startp[0] && rx->startp[0] == rx->endp[0])
- ++rx->endp[0];
+ had_zerolen = (rx->startp[0] && rx->startp[0] == rx->endp[0]);
PUTBACK; /* EVAL blocks may use stack */
+ r_flags |= REXEC_IGNOREPOS;
goto play_it_again;
}
else if (!iters)
sv = sv_2mortal(NEWSV(57, 80));
offset = 0;
}
+
+/* flip-flop EOF state for a snarfed empty file */
+#define SNARF_EOF(gimme,rs,io,sv) \
+ ((gimme != G_SCALAR || SvCUR(sv) \
+ || (IoFLAGS(io) & IOf_NOLINE) || IoLINES(io) || !RsSNARF(rs)) \
+ ? ((IoFLAGS(io) &= ~IOf_NOLINE), TRUE) \
+ : ((IoFLAGS(io) |= IOf_NOLINE), FALSE))
+
for (;;) {
- if (!sv_gets(sv, fp, offset)) {
+ if (!sv_gets(sv, fp, offset)
+ && (type == OP_GLOB || SNARF_EOF(gimme, PL_rs, io, sv)))
+ {
PerlIO_clearerr(fp);
if (IoFLAGS(io) & IOf_ARGV) {
fp = nextargv(PL_last_in_gv);
if (!svp || *svp == &PL_sv_undef) {
SV* lv;
SV* key2;
- if (!defer)
- DIE(PL_no_helem, SvPV(keysv, PL_na));
+ if (!defer) {
+ STRLEN n_a;
+ DIE(PL_no_helem, SvPV(keysv, n_a));
+ }
lv = sv_newmortal();
sv_upgrade(lv, SVt_PVLV);
LvTYPE(lv) = 'y';
bool once;
bool rxtainted;
char *orig;
- I32 safebase;
+ I32 r_flags;
register REGEXP *rx = pm->op_pmregexp;
STRLEN len;
int force_on_match = 0;
I32 oldsave = PL_savestack_ix;
I32 update_minmatch = 1;
- SV *screamer;
/* known replacement string? */
dstr = (pm->op_pmflags & PMf_CONST) ? POPs : Nullsv;
pm = PL_curpm;
rx = pm->op_pmregexp;
}
- screamer = ( (SvSCREAM(TARG) && rx->check_substr
- && SvTYPE(rx->check_substr) == SVt_PVBM
- && SvVALID(rx->check_substr))
- ? TARG : Nullsv);
- safebase = (rx->nparens || SvTEMP(TARG) || PL_sawampersand)
+ r_flags = (rx->nparens || SvTEMP(TARG) || PL_sawampersand)
? REXEC_COPY_STR : 0;
+ if (SvSCREAM(TARG) && rx->check_substr
+ && SvTYPE(rx->check_substr) == SVt_PVBM
+ && SvVALID(rx->check_substr))
+ r_flags |= REXEC_SCREAM;
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
SAVEINT(PL_multiline);
PL_multiline = pm->op_pmflags & PMf_MULTILINE;
orig = m = s;
if (rx->check_substr) {
if (!(rx->reganch & ROPT_NOSCAN)) { /* It floats. */
- if (screamer) {
+ if (r_flags & REXEC_SCREAM) {
I32 p = -1;
char *b;
c = dstr ? SvPV(dstr, clen) : Nullch;
/* can do inplace substitution? */
- if (c && clen <= rx->minlen && (once || !(safebase & REXEC_COPY_STR))
+ if (c && clen <= rx->minlen && (once || !(r_flags & REXEC_COPY_STR))
&& !(rx->reganch & ROPT_LOOKBEHIND_SEEN)) {
- if (!CALLREGEXEC(rx, s, strend, orig, 0, screamer, NULL, safebase)) {
+ if (!CALLREGEXEC(rx, s, strend, orig, 0, TARG, NULL, r_flags)) {
SPAGAIN;
PUSHs(&PL_sv_no);
LEAVE_SCOPE(oldsave);
RETURN;
}
- if (CALLREGEXEC(rx, s, strend, orig, 0, screamer, NULL, safebase)) {
+ if (CALLREGEXEC(rx, s, strend, orig, 0, TARG, NULL, r_flags)) {
if (force_on_match) {
force_on_match = 0;
s = SvPV_force(TARG, len);
PUSHSUBST(cx);
RETURNOP(cPMOP->op_pmreplroot);
}
+ r_flags |= REXEC_IGNOREPOS;
do {
if (iters++ > maxiters)
DIE("Substitution loop");
sv_catpvn(dstr, c, clen);
if (once)
break;
- } while (CALLREGEXEC(rx, s, strend, orig, s == m, Nullsv, NULL, safebase));
+ } while (CALLREGEXEC(rx, s, strend, orig, s == m, TARG, NULL, r_flags));
sv_catpvn(dstr, s, strend - s);
(void)SvOOK_off(TARG);
default:
if (!SvROK(sv)) {
char *sym;
+ STRLEN n_a;
if (sv == &PL_sv_yes) { /* unfound import, ignore */
if (hasargs)
sym = SvPOKp(sv) ? SvPVX(sv) : Nullch;
}
else
- sym = SvPV(sv, PL_na);
+ sym = SvPV(sv, n_a);
if (!sym)
DIE(PL_no_usym, "a subroutine");
if (PL_op->op_private & HINT_STRICT_REFS)
if (SP > PL_stack_base + TOPMARK)
sv = *(PL_stack_base + TOPMARK + 1);
else {
- MUTEX_UNLOCK(CvMUTEXP(cv));
- croak("no argument for locked method call");
+ AV *av = (AV*)PL_curpad[0];
+ if (hasargs || !av || AvFILLp(av) < 0
+ || !(sv = AvARRAY(av)[0]))
+ {
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ croak("no argument for locked method call");
+ }
}
if (SvROK(sv))
sv = SvRV(sv);
* (3) instead of (2) so we'd have to clone. Would the fact
* that we released the mutex more quickly make up for this?
*/
- if (PL_threadnum &&
- (svp = hv_fetch(thr->cvcache, (char *)cv, sizeof(cv), FALSE)))
+ if ((svp = hv_fetch(thr->cvcache, (char *)cv, sizeof(cv), FALSE)))
{
/* We already have a clone to use */
MUTEX_UNLOCK(CvMUTEXP(cv));
}
}
- name = SvPV(TOPs, PL_na);
+ name = SvPV(TOPs, packlen);
sv = *(PL_stack_base + TOPMARK + 1);
if (SvGMAGICAL(sv))
https://perl5.git.perl.org / perl5.git / blobdiff