/* pp_hot.c
*
- * Copyright (c) 1991-1999, Larry Wall
+ * Copyright (c) 1991-2000, 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.
#ifdef I_UNISTD
#include <unistd.h>
#endif
-#ifdef I_FCNTL
-#include <fcntl.h>
-#endif
-#ifdef I_SYS_FILE
-#include <sys/file.h>
-#endif
-
-#define HOP(pos,off) (IN_UTF8 ? utf8_hop(pos, off) : (pos + off))
/* Hot code. */
#ifdef USE_THREADS
-STATIC void
-S_unset_cvowner(pTHX_ void *cvarg)
-{
- register CV* cv = (CV *) cvarg;
-#ifdef DEBUGGING
- dTHR;
-#endif /* DEBUGGING */
-
- DEBUG_S((PerlIO_printf(PerlIO_stderr(), "%p unsetting CvOWNER of %p:%s\n",
- thr, cv, SvPEEK((SV*)cv))));
- MUTEX_LOCK(CvMUTEXP(cv));
- DEBUG_S(if (CvDEPTH(cv) != 0)
- PerlIO_printf(PerlIO_stderr(), "depth %ld != 0\n",
- CvDEPTH(cv)););
- assert(thr == CvOWNER(cv));
- CvOWNER(cv) = 0;
- MUTEX_UNLOCK(CvMUTEXP(cv));
- SvREFCNT_dec(cv);
-}
+static void unset_cvowner(pTHXo_ void *cvarg);
#endif /* USE_THREADS */
PP(pp_const)
{
djSP;
- XPUSHs(cSVOP->op_sv);
+ XPUSHs(cSVOP_sv);
RETURN;
}
djSP;
EXTEND(SP,1);
if (PL_op->op_private & OPpLVAL_INTRO)
- PUSHs(save_scalar(cGVOP->op_gv));
+ PUSHs(save_scalar(cGVOP_gv));
else
- PUSHs(GvSV(cGVOP->op_gv));
+ PUSHs(GvSV(cGVOP_gv));
RETURN;
}
return NORMAL;
}
+PP(pp_setstate)
+{
+ PL_curcop = (COP*)PL_op;
+ return NORMAL;
+}
+
PP(pp_pushmark)
{
PUSHMARK(PL_stack_sp);
char *s;
s = SvPV(TOPs,len);
sv_setpvn(TARG,s,len);
+ if (SvUTF8(TOPs) && !IN_BYTE)
+ SvUTF8_on(TARG);
SETTARG;
RETURN;
}
PP(pp_gv)
{
djSP;
- XPUSHs((SV*)cGVOP->op_gv);
+ XPUSHs((SV*)cGVOP_gv);
RETURN;
}
PP(pp_sassign)
{
djSP; dPOPTOPssrl;
- MAGIC *mg;
if (PL_op->op_private & OPpASSIGN_BACKWARDS) {
SV *temp;
{
djSP;
if (SvTRUEx(POPs))
- RETURNOP(cCONDOP->op_true);
+ RETURNOP(cLOGOP->op_other);
else
- RETURNOP(cCONDOP->op_false);
+ RETURNOP(cLOGOP->op_next);
}
PP(pp_unstack)
dPOPTOPssrl;
STRLEN len;
char *s;
+
if (TARG != left) {
s = SvPV(left,len);
+ if (TARG == right) {
+ sv_insert(TARG, 0, 0, s, len);
+ SETs(TARG);
+ RETURN;
+ }
sv_setpvn(TARG,s,len);
}
else if (SvGMAGICAL(TARG))
s = SvPV_force(TARG, len);
}
s = SvPV(right,len);
- if (SvOK(TARG))
+ if (SvOK(TARG)) {
+#if defined(PERL_Y2KWARN)
+ if ((SvIOK(right) || SvNOK(right)) && ckWARN(WARN_Y2K)) {
+ STRLEN n;
+ char *s = SvPV(TARG,n);
+ if (n >= 2 && s[n-2] == '1' && s[n-1] == '9'
+ && (n == 2 || !isDIGIT(s[n-3])))
+ {
+ Perl_warner(aTHX_ WARN_Y2K, "Possible Y2K bug: %s",
+ "about to append an integer to '19'");
+ }
+ }
+#endif
+ if (DO_UTF8(right))
+ sv_utf8_upgrade(TARG);
sv_catpvn(TARG,s,len);
+ if (!IN_BYTE) {
+ if (SvUTF8(right))
+ SvUTF8_on(TARG);
+ }
+ else if (!SvUTF8(right)) {
+ SvUTF8_off(TARG);
+ }
+ }
else
sv_setpvn(TARG,s,len); /* suppress warning */
SETTARG;
{
djSP;
if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
- Perl_croak(aTHX_ PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
SvIVX(TOPs) != IV_MAX)
{
PP(pp_aelemfast)
{
djSP;
- AV *av = GvAV((GV*)cSVOP->op_sv);
+ AV *av = GvAV(cGVOP_gv);
U32 lval = PL_op->op_flags & OPf_MOD;
SV** svp = av_fetch(av, PL_op->op_private, lval);
SV *sv = (svp ? *svp : &PL_sv_undef);
gv = (GV*)*++MARK;
else
gv = PL_defoutgv;
- if (mg = SvTIED_mg((SV*)gv, 'q')) {
+ if ((mg = SvTIED_mg((SV*)gv, 'q'))) {
if (MARK == ORIGMARK) {
/* If using default handle then we need to make space to
* pass object as 1st arg, so move other args up ...
if (!(io = GvIO(gv))) {
if (ckWARN(WARN_UNOPENED)) {
SV* sv = sv_newmortal();
- gv_fullname3(sv, gv, Nullch);
- Perl_warner(aTHX_ WARN_UNOPENED, "Filehandle %s never opened", SvPV(sv,n_a));
+ gv_efullname3(sv, gv, Nullch);
+ Perl_warner(aTHX_ WARN_UNOPENED, "Filehandle %s never opened",
+ SvPV(sv,n_a));
}
-
SETERRNO(EBADF,RMS$_IFI);
goto just_say_no;
}
else if (!(fp = IoOFP(io))) {
if (ckWARN2(WARN_CLOSED, WARN_IO)) {
- SV* sv = sv_newmortal();
- gv_fullname3(sv, gv, Nullch);
- if (IoIFP(io))
- Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for input",
- SvPV(sv,n_a));
+ if (IoIFP(io)) {
+ SV* sv = sv_newmortal();
+ gv_efullname3(sv, gv, Nullch);
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for input",
+ SvPV(sv,n_a));
+ }
else if (ckWARN(WARN_CLOSED))
- Perl_warner(aTHX_ WARN_CLOSED, "print on closed filehandle %s",
- SvPV(sv,n_a));
+ report_closed_fh(gv, io, "print", "filehandle");
}
SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
goto just_say_no;
PL_op->op_private & HINT_STRICT_REFS)
DIE(aTHX_ PL_no_usym, "an ARRAY");
if (ckWARN(WARN_UNINITIALIZED))
- Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
+ report_uninit();
if (GIMME == G_ARRAY) {
(void)POPs;
RETURN;
PL_op->op_private & HINT_STRICT_REFS)
DIE(aTHX_ PL_no_usym, "a HASH");
if (ckWARN(WARN_UNINITIALIZED))
- Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
+ report_uninit();
if (GIMME == G_ARRAY) {
SP--;
RETURN;
if (SvTYPE(hv) == SVt_PVAV)
hv = avhv_keys((AV*)hv);
if (HvFILL(hv))
- Perl_sv_setpvf(aTHX_ TARG, "%ld/%ld",
- (long)HvFILL(hv), (long)HvMAX(hv) + 1);
+ Perl_sv_setpvf(aTHX_ TARG, "%"IVdf"/%"IVdf,
+ (IV)HvFILL(hv), (IV)HvMAX(hv) + 1);
else
sv_setiv(TARG, 0);
}
}
+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)) {
+ if (relem == firstrelem &&
+ SvROK(*relem) &&
+ (SvTYPE(SvRV(*relem)) == SVt_PVAV ||
+ SvTYPE(SvRV(*relem)) == SVt_PVHV))
+ {
+ Perl_warner(aTHX_ WARN_MISC,
+ "Reference found where even-sized list expected");
+ }
+ else
+ Perl_warner(aTHX_ 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;
+ }
+}
+
PP(pp_aassign)
{
djSP;
* special care that assigning the identifier on the left doesn't
* clobber a value on the right that's used later in the list.
*/
- if (PL_op->op_private & OPpASSIGN_COMMON) {
+ if (PL_op->op_private & (OPpASSIGN_COMMON)) {
EXTEND_MORTAL(lastrelem - firstrelem + 1);
- for (relem = firstrelem; relem <= lastrelem; relem++) {
- /*SUPPRESS 560*/
- if (sv = *relem) {
+ for (relem = firstrelem; relem <= lastrelem; relem++) {
+ /*SUPPRESS 560*/
+ if ((sv = *relem)) {
TAINT_NOT; /* Each item is independent */
- *relem = sv_mortalcopy(sv);
+ *relem = sv_mortalcopy(sv);
}
- }
+ }
}
relem = firstrelem;
lelem = firstlelem;
ary = Null(AV*);
hash = Null(HV*);
+
while (lelem <= lastlelem) {
TAINT_NOT; /* Each item stands on its own, taintwise. */
sv = *lelem++;
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;
TAINT_NOT;
}
break;
- case SVt_PVHV: {
+ case SVt_PVHV: { /* normal hash */
SV *tmpstr;
hash = (HV*)sv;
TAINT_NOT;
}
if (relem == lastrelem) {
- if (*relem) {
- HE *didstore;
- if (ckWARN(WARN_UNSAFE)) {
- if (relem == firstrelem &&
- SvROK(*relem) &&
- ( SvTYPE(SvRV(*relem)) == SVt_PVAV ||
- SvTYPE(SvRV(*relem)) == SVt_PVHV ) )
- Perl_warner(aTHX_ WARN_UNSAFE, "Reference found where even-sized list expected");
- else
- Perl_warner(aTHX_ WARN_UNSAFE, "Odd number of elements in hash assignment");
- }
- tmpstr = NEWSV(29,0);
- didstore = hv_store_ent(hash,*relem,tmpstr,0);
- if (magic) {
- if (SvSMAGICAL(tmpstr))
- mg_set(tmpstr);
- if (!didstore)
- sv_2mortal(tmpstr);
- }
- TAINT_NOT;
- }
+ do_oddball(hash, relem, firstrelem);
relem++;
}
}
}
# endif /* HAS_SETREUID */
#endif /* HAS_SETRESUID */
- PL_uid = (int)PerlProc_getuid();
- PL_euid = (int)PerlProc_geteuid();
+ PL_uid = PerlProc_getuid();
+ PL_euid = PerlProc_geteuid();
}
if (PL_delaymagic & DM_GID) {
#ifdef HAS_SETRESGID
}
# endif /* HAS_SETREGID */
#endif /* HAS_SETRESGID */
- PL_gid = (int)PerlProc_getgid();
- PL_egid = (int)PerlProc_getegid();
+ PL_gid = PerlProc_getgid();
+ PL_egid = PerlProc_getegid();
}
PL_tainting |= (PL_uid && (PL_euid != PL_uid || PL_egid != PL_gid));
}
register char *s;
char *strend;
I32 global;
- I32 r_flags = 0;
- char *truebase; /* Start of string, may be
- relocated if REx engine
- copies the string. */
+ I32 r_flags = REXEC_CHECKED;
+ char *truebase; /* Start of string */
register REGEXP *rx = pm->op_pmregexp;
bool rxtainted;
I32 gimme = GIMME;
truebase = t = s;
/* XXXX What part of this is needed with true \G-support? */
- if (global = pm->op_pmflags & PMf_GLOBAL) {
+ if ((global = pm->op_pmflags & PMf_GLOBAL)) {
rx->startp[0] = -1;
if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) {
MAGIC* mg = mg_find(TARG, 'g');
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))
+ if (SvSCREAM(TARG))
r_flags |= REXEC_SCREAM;
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
if (update_minmatch++)
minmatch = had_zerolen;
}
- if (rx->check_substr) {
- if (!(rx->reganch & ROPT_NOSCAN)) { /* Floating checkstring. */
- SV *c = rx->check_substr;
-
- if (r_flags & REXEC_SCREAM) {
- I32 p = -1;
- char *b;
-
- if (PL_screamfirst[BmRARE(c)] < 0
- && !( BmRARE(c) == '\n' && (BmPREVIOUS(c) == SvCUR(c) - 1)
- && SvTAIL(c) ))
- goto nope;
-
- b = (char*)HOP((U8*)s, rx->check_offset_min);
- if (!(s = screaminstr(TARG, c, b - s, 0, &p, 0)))
- goto nope;
-
- if ((rx->reganch & ROPT_CHECK_ALL)
- && !PL_sawampersand && !SvTAIL(c))
- goto yup;
- }
- else if (!(s = fbm_instr((unsigned char*)HOP((U8*)s, rx->check_offset_min),
- (unsigned char*)strend, c,
- PL_multiline ? FBMrf_MULTILINE : 0)))
- goto nope;
- else if ((rx->reganch & ROPT_CHECK_ALL) && !PL_sawampersand)
- goto yup;
- if (s && rx->check_offset_max < s - t) {
- ++BmUSEFUL(c);
- s = (char*)HOP((U8*)s, -rx->check_offset_max);
- }
- else
- s = t;
- }
- /* Now checkstring is fixed, i.e. at fixed offset from the
- beginning of match, and the match is anchored at s. */
- else if (!PL_multiline) { /* Anchored near beginning of string. */
- I32 slen;
- char *b = (char*)HOP((U8*)s, rx->check_offset_min);
-
- if (SvTAIL(rx->check_substr)) {
- slen = SvCUR(rx->check_substr); /* >= 1 */
-
- if ( strend - b > slen || strend - b < slen - 1 )
- goto nope;
- if ( strend - b == slen && strend[-1] != '\n')
- goto nope;
- /* Now should match b[0..slen-2] */
- slen--;
- if (slen && (*SvPVX(rx->check_substr) != *b
- || (slen > 1
- && memNE(SvPVX(rx->check_substr), b, slen))))
- goto nope;
- if ((rx->reganch & ROPT_CHECK_ALL) && !PL_sawampersand)
- goto yup;
- } else { /* Assume len > 0 */
- if (*SvPVX(rx->check_substr) != *b
- || ((slen = SvCUR(rx->check_substr)) > 1
- && memNE(SvPVX(rx->check_substr), b, slen)))
- goto nope;
- if ((rx->reganch & ROPT_CHECK_ALL) && !PL_sawampersand)
- goto yup;
- }
- }
- if (!(rx->reganch & ROPT_NAUGHTY) && --BmUSEFUL(rx->check_substr) < 0
- && rx->check_substr == rx->float_substr) {
- SvREFCNT_dec(rx->check_substr);
- rx->check_substr = Nullsv; /* opt is being useless */
- rx->float_substr = Nullsv;
- }
+ if (rx->reganch & RE_USE_INTUIT) {
+ s = CALLREG_INTUIT_START(aTHX_ rx, TARG, s, strend, r_flags, NULL);
+
+ if (!s)
+ goto nope;
+ if ( (rx->reganch & ROPT_CHECK_ALL)
+ && !PL_sawampersand
+ && ((rx->reganch & ROPT_NOSCAN)
+ || !((rx->reganch & RE_INTUIT_TAIL)
+ && (r_flags & REXEC_SCREAM))))
+ goto yup;
}
if (CALLREGEXEC(aTHX_ rx, s, strend, truebase, minmatch, TARG, NULL, r_flags))
{
RETPUSHYES;
}
-yup: /* Confirmed by check_substr */
+yup: /* Confirmed by INTUIT */
if (rxtainted)
RX_MATCH_TAINTED_on(rx);
TAINT_IF(RX_MATCH_TAINTED(rx));
- ++BmUSEFUL(rx->check_substr);
PL_curpm = pm;
if (pm->op_pmflags & PMf_ONCE)
pm->op_pmdynflags |= PMdf_USED;
if (global) {
rx->subbeg = truebase;
rx->startp[0] = s - truebase;
- rx->endp[0] = s - truebase + SvCUR(rx->check_substr);
+ rx->endp[0] = s - truebase + rx->minlen;
rx->sublen = strend - truebase;
goto gotcha;
}
rx->sublen = strend - t;
RX_MATCH_COPIED_on(rx);
off = rx->startp[0] = s - t;
- rx->endp[0] = off + SvCUR(rx->check_substr);
+ rx->endp[0] = off + rx->minlen;
}
else { /* startp/endp are used by @- @+. */
rx->startp[0] = s - truebase;
- rx->endp[0] = s - truebase + SvCUR(rx->check_substr);
+ rx->endp[0] = s - truebase + rx->minlen;
}
+ rx->nparens = rx->lastparen = 0; /* used by @- and @+ */
LEAVE_SCOPE(oldsave);
RETPUSHYES;
nope:
- if (rx->check_substr)
- ++BmUSEFUL(rx->check_substr);
-
ret_no:
if (global && !(pm->op_pmflags & PMf_CONTINUE)) {
if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) {
I32 gimme = GIMME_V;
MAGIC *mg;
- if (mg = SvTIED_mg((SV*)PL_last_in_gv, 'q')) {
+ if ((mg = SvTIED_mg((SV*)PL_last_in_gv, 'q'))) {
PUSHMARK(SP);
XPUSHs(SvTIED_obj((SV*)PL_last_in_gv, mg));
PUTBACK;
if (!fp) {
if (IoFLAGS(io) & IOf_ARGV) {
if (IoFLAGS(io) & IOf_START) {
- IoFLAGS(io) &= ~IOf_START;
IoLINES(io) = 0;
if (av_len(GvAVn(PL_last_in_gv)) < 0) {
+ IoFLAGS(io) &= ~IOf_START;
do_open(PL_last_in_gv,"-",1,FALSE,O_RDONLY,0,Nullfp);
sv_setpvn(GvSV(PL_last_in_gv), "-", 1);
SvSETMAGIC(GvSV(PL_last_in_gv));
fp = nextargv(PL_last_in_gv);
if (!fp) { /* Note: fp != IoIFP(io) */
(void)do_close(PL_last_in_gv, FALSE); /* now it does*/
- IoFLAGS(io) |= IOf_START;
}
}
else if (type == OP_GLOB) {
}
}
#else /* !VMS */
+#ifdef MACOS_TRADITIONAL
+ sv_setpv(tmpcmd, "glob ");
+ sv_catsv(tmpcmd, tmpglob);
+ sv_catpv(tmpcmd, " |");
+#else
#ifdef DOSISH
#ifdef OS2
sv_setpv(tmpcmd, "for a in ");
sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */
sv_catsv(tmpcmd, tmpglob);
#else
-#ifdef CYGWIN32
- sv_setpv(tmpcmd, "for a in ");
- sv_catsv(tmpcmd, tmpglob);
- sv_catpv(tmpcmd, "; do echo -e \"$a\\0\\c\"; done |");
-#else
sv_setpv(tmpcmd, "perlglob ");
sv_catsv(tmpcmd, tmpglob);
sv_catpv(tmpcmd, " |");
-#endif /* !CYGWIN */
#endif /* !DJGPP */
#endif /* !OS2 */
#else /* !DOSISH */
#endif
#endif /* !CSH */
#endif /* !DOSISH */
+#endif /* MACOS_TRADITIONAL */
(void)do_open(PL_last_in_gv, SvPVX(tmpcmd), SvCUR(tmpcmd),
FALSE, O_RDONLY, 0, Nullfp);
fp = IoIFP(io);
}
else if (type == OP_GLOB)
SP--;
+ else if (ckWARN(WARN_IO) /* stdout/stderr or other write fh */
+ && (IoTYPE(io) == '>' || fp == PerlIO_stdout()
+ || fp == PerlIO_stderr()))
+ {
+ SV* sv = sv_newmortal();
+ gv_efullname3(sv, PL_last_in_gv, Nullch);
+ Perl_warner(aTHX_ WARN_IO, "Filehandle %s opened only for output",
+ SvPV_nolen(sv));
+ }
}
if (!fp) {
- if (ckWARN(WARN_CLOSED) && io && !(IoFLAGS(io) & IOf_START)) {
+ if (ckWARN2(WARN_GLOB,WARN_CLOSED) && io && !(IoFLAGS(io) & IOf_START)) {
if (type == OP_GLOB)
- Perl_warner(aTHX_ WARN_CLOSED, "glob failed (can't start child: %s)",
- Strerror(errno));
+ Perl_warner(aTHX_ WARN_GLOB,
+ "glob failed (can't start child: %s)",
+ Strerror(errno));
else
- Perl_warner(aTHX_ WARN_CLOSED, "Read on closed filehandle <%s>",
- GvENAME(PL_last_in_gv));
+ report_closed_fh(PL_last_in_gv, io, "readline", "filehandle");
}
if (gimme == G_SCALAR) {
(void)SvOK_off(TARG);
offset = 0;
}
-/* flip-flop EOF state for a snarfed empty file */
+/* delay 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))
+ (gimme != G_SCALAR || SvCUR(sv) \
+ || !RsSNARF(rs) || (IoFLAGS(io) & IOf_NOLINE) \
+ || ((IoFLAGS(io) |= IOf_NOLINE), FALSE))
for (;;) {
if (!sv_gets(sv, fp, offset)
if (fp)
continue;
(void)do_close(PL_last_in_gv, FALSE);
- IoFLAGS(io) |= IOf_START;
}
else if (type == OP_GLOB) {
- if (!do_close(PL_last_in_gv, FALSE) && ckWARN(WARN_CLOSED)) {
- Perl_warner(aTHX_ WARN_CLOSED,
+ if (!do_close(PL_last_in_gv, FALSE) && ckWARN(WARN_GLOB)) {
+ Perl_warner(aTHX_ WARN_GLOB,
"glob failed (child exited with status %d%s)",
- STATUS_CURRENT >> 8,
+ (int)(STATUS_CURRENT >> 8),
(STATUS_CURRENT & 0x80) ? ", core dumped" : "");
}
}
register PERL_CONTEXT *cx;
SV* sv;
AV* av;
+ SV **itersvp;
EXTEND(SP, 1);
cx = &cxstack[cxstack_ix];
if (CxTYPE(cx) != CXt_LOOP)
DIE(aTHX_ "panic: pp_iter");
+ itersvp = CxITERVAR(cx);
av = cx->blk_loop.iterary;
if (SvTYPE(av) != SVt_PVAV) {
/* iterate ($min .. $max) */
char *max = SvPV((SV*)av, maxlen);
if (!SvNIOK(cur) && SvCUR(cur) <= maxlen) {
#ifndef USE_THREADS /* don't risk potential race */
- if (SvREFCNT(*cx->blk_loop.itervar) == 1
- && !SvMAGICAL(*cx->blk_loop.itervar))
- {
+ if (SvREFCNT(*itersvp) == 1 && !SvMAGICAL(*itersvp)) {
/* safe to reuse old SV */
- sv_setsv(*cx->blk_loop.itervar, cur);
+ sv_setsv(*itersvp, cur);
}
else
#endif
/* we need a fresh SV every time so that loop body sees a
* completely new SV for closures/references to work as
* they used to */
- SvREFCNT_dec(*cx->blk_loop.itervar);
- *cx->blk_loop.itervar = newSVsv(cur);
+ SvREFCNT_dec(*itersvp);
+ *itersvp = newSVsv(cur);
}
if (strEQ(SvPVX(cur), max))
sv_setiv(cur, 0); /* terminate next time */
RETPUSHNO;
#ifndef USE_THREADS /* don't risk potential race */
- if (SvREFCNT(*cx->blk_loop.itervar) == 1
- && !SvMAGICAL(*cx->blk_loop.itervar))
- {
+ if (SvREFCNT(*itersvp) == 1 && !SvMAGICAL(*itersvp)) {
/* safe to reuse old SV */
- sv_setiv(*cx->blk_loop.itervar, cx->blk_loop.iterix++);
+ sv_setiv(*itersvp, cx->blk_loop.iterix++);
}
else
#endif
/* we need a fresh SV every time so that loop body sees a
* completely new SV for closures/references to work as they
* used to */
- SvREFCNT_dec(*cx->blk_loop.itervar);
- *cx->blk_loop.itervar = newSViv(cx->blk_loop.iterix++);
+ SvREFCNT_dec(*itersvp);
+ *itersvp = newSViv(cx->blk_loop.iterix++);
}
RETPUSHYES;
}
if (cx->blk_loop.iterix >= (av == PL_curstack ? cx->blk_oldsp : AvFILL(av)))
RETPUSHNO;
- SvREFCNT_dec(*cx->blk_loop.itervar);
+ SvREFCNT_dec(*itersvp);
- if (sv = (SvMAGICAL(av))
- ? *av_fetch(av, ++cx->blk_loop.iterix, FALSE)
- : AvARRAY(av)[++cx->blk_loop.iterix])
+ if ((sv = SvMAGICAL(av)
+ ? *av_fetch(av, ++cx->blk_loop.iterix, FALSE)
+ : AvARRAY(av)[++cx->blk_loop.iterix]))
SvTEMP_off(sv);
else
sv = &PL_sv_undef;
}
LvTARG(lv) = SvREFCNT_inc(av);
LvTARGOFF(lv) = cx->blk_loop.iterix;
- LvTARGLEN(lv) = (UV) -1;
+ LvTARGLEN(lv) = (STRLEN)UV_MAX;
sv = (SV*)lv;
}
- *cx->blk_loop.itervar = SvREFCNT_inc(sv);
+ *itersvp = SvREFCNT_inc(sv);
RETPUSHYES;
}
STRLEN len;
int force_on_match = 0;
I32 oldsave = PL_savestack_ix;
- I32 update_minmatch = 1;
/* known replacement string? */
dstr = (pm->op_pmflags & PMf_CONST) ? POPs : Nullsv;
if (SvREADONLY(TARG)
|| (SvTYPE(TARG) > SVt_PVLV
&& !(SvTYPE(TARG) == SVt_PVGV && SvFAKE(TARG))))
- Perl_croak(aTHX_ PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
PUTBACK;
s = SvPV(TARG, len);
}
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))
+ if (SvSCREAM(TARG))
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 (r_flags & REXEC_SCREAM) {
- I32 p = -1;
- char *b;
-
- if (PL_screamfirst[BmRARE(rx->check_substr)] < 0)
- goto nope;
-
- b = (char*)HOP((U8*)s, rx->check_offset_min);
- if (!(s = screaminstr(TARG, rx->check_substr, b - s, 0, &p, 0)))
- goto nope;
- }
- else if (!(s = fbm_instr((unsigned char*)HOP((U8*)s, rx->check_offset_min),
- (unsigned char*)strend,
- rx->check_substr,
- PL_multiline ? FBMrf_MULTILINE : 0)))
- goto nope;
- if (s && rx->check_offset_max < s - m) {
- ++BmUSEFUL(rx->check_substr);
- s = (char*)HOP((U8*)s, -rx->check_offset_max);
- }
- else
- s = m;
- }
- /* Now checkstring is fixed, i.e. at fixed offset from the
- beginning of match, and the match is anchored at s. */
- else if (!PL_multiline) { /* Anchored at beginning of string. */
- I32 slen;
- char *b = (char*)HOP((U8*)s, rx->check_offset_min);
- if (*SvPVX(rx->check_substr) != *b
- || ((slen = SvCUR(rx->check_substr)) > 1
- && memNE(SvPVX(rx->check_substr), b, slen)))
- goto nope;
- }
- if (!(rx->reganch & ROPT_NAUGHTY) && --BmUSEFUL(rx->check_substr) < 0
- && rx->check_substr == rx->float_substr) {
- SvREFCNT_dec(rx->check_substr);
- rx->check_substr = Nullsv; /* opt is being useless */
- rx->float_substr = Nullsv;
- }
+ if (rx->reganch & RE_USE_INTUIT) {
+ s = CALLREG_INTUIT_START(aTHX_ rx, TARG, s, strend, r_flags, NULL);
+
+ if (!s)
+ goto nope;
+ /* How to do it in subst? */
+/* if ( (rx->reganch & ROPT_CHECK_ALL)
+ && !PL_sawampersand
+ && ((rx->reganch & ROPT_NOSCAN)
+ || !((rx->reganch & RE_INTUIT_TAIL)
+ && (r_flags & REXEC_SCREAM))))
+ goto yup;
+*/
}
/* only replace once? */
/* can do inplace substitution? */
if (c && clen <= rx->minlen && (once || !(r_flags & REXEC_COPY_STR))
&& !(rx->reganch & ROPT_LOOKBEHIND_SEEN)) {
- if (!CALLREGEXEC(aTHX_ rx, s, strend, orig, 0, TARG, NULL, r_flags)) {
+ if (!CALLREGEXEC(aTHX_ rx, s, strend, orig, 0, TARG, NULL,
+ r_flags | REXEC_CHECKED))
+ {
SPAGAIN;
PUSHs(&PL_sv_no);
LEAVE_SCOPE(oldsave);
SvCUR_set(TARG, m - s);
}
/*SUPPRESS 560*/
- else if (i = m - s) { /* faster from front */
+ else if ((i = m - s)) { /* faster from front */
d -= clen;
m = d;
sv_chop(TARG, d-i);
rxtainted |= RX_MATCH_TAINTED(rx);
m = rx->startp[0] + orig;
/*SUPPRESS 560*/
- if (i = m - s) {
+ if ((i = m - s)) {
if (s != d)
Move(s, d, i, char);
d += i;
}
s = rx->endp[0] + orig;
} while (CALLREGEXEC(aTHX_ rx, s, strend, orig, s == m,
- Nullsv, NULL, REXEC_NOT_FIRST)); /* don't match same null twice */
+ TARG, NULL,
+ /* don't match same null twice */
+ REXEC_NOT_FIRST|REXEC_IGNOREPOS));
if (s != d) {
i = strend - s;
SvCUR_set(TARG, d - SvPVX(TARG) + i);
RETURN;
}
- if (CALLREGEXEC(aTHX_ rx, s, strend, orig, 0, TARG, NULL, r_flags)) {
+ if (CALLREGEXEC(aTHX_ rx, s, strend, orig, 0, TARG, NULL,
+ r_flags | REXEC_CHECKED))
+ {
if (force_on_match) {
force_on_match = 0;
s = SvPV_force(TARG, len);
goto ret_no;
nope:
- ++BmUSEFUL(rx->check_substr);
-
ret_no:
SPAGAIN;
PUSHs(&PL_sv_no);
SV *src;
ENTER; /* enter inner scope */
- SAVESPTR(PL_curpm);
+ SAVEVPTR(PL_curpm);
src = PL_stack_base[*PL_markstack_ptr];
SvTEMP_off(src);
PMOP *newpm;
I32 gimme;
register PERL_CONTEXT *cx;
- struct block_sub cxsub;
+ SV *sv;
POPBLOCK(cx,newpm);
- POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */
TAINT_NOT;
if (gimme == G_SCALAR) {
MARK = newsp + 1;
if (MARK <= SP) {
- if (cxsub.cv && CvDEPTH(cxsub.cv) > 1) {
+ if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) {
if (SvTEMP(TOPs)) {
*MARK = SvREFCNT_inc(TOPs);
FREETMPS;
sv_2mortal(*MARK);
- } else {
+ }
+ else {
+ sv = SvREFCNT_inc(TOPs); /* FREETMPS could clobber it */
FREETMPS;
- *MARK = sv_mortalcopy(TOPs);
+ *MARK = sv_mortalcopy(sv);
+ SvREFCNT_dec(sv);
}
- } else
+ }
+ else
*MARK = SvTEMP(TOPs) ? TOPs : sv_mortalcopy(TOPs);
- } else {
+ }
+ else {
MEXTEND(MARK, 0);
*MARK = &PL_sv_undef;
}
}
PUTBACK;
- POPSUB2(); /* Stack values are safe: release CV and @_ ... */
+ POPSUB(cx,sv); /* Stack values are safe: release CV and @_ ... */
PL_curpm = newpm; /* ... and pop $1 et al */
LEAVE;
+ LEAVESUB(sv);
return pop_return();
}
+/* This duplicates the above code because the above code must not
+ * get any slower by more conditions */
+PP(pp_leavesublv)
+{
+ djSP;
+ SV **mark;
+ SV **newsp;
+ PMOP *newpm;
+ I32 gimme;
+ register PERL_CONTEXT *cx;
+ SV *sv;
+
+ POPBLOCK(cx,newpm);
+
+ TAINT_NOT;
+
+ if (cx->blk_sub.lval & OPpENTERSUB_INARGS) {
+ /* We are an argument to a function or grep().
+ * This kind of lvalueness was legal before lvalue
+ * subroutines too, so be backward compatible:
+ * cannot report errors. */
+
+ /* Scalar context *is* possible, on the LHS of -> only,
+ * as in f()->meth(). But this is not an lvalue. */
+ if (gimme == G_SCALAR)
+ goto temporise;
+ if (gimme == G_ARRAY) {
+ if (!CvLVALUE(cx->blk_sub.cv))
+ goto temporise_array;
+ EXTEND_MORTAL(SP - newsp);
+ for (mark = newsp + 1; mark <= SP; mark++) {
+ if (SvTEMP(*mark))
+ /* empty */ ;
+ else if (SvFLAGS(*mark) & (SVs_PADTMP | SVf_READONLY))
+ *mark = sv_mortalcopy(*mark);
+ else {
+ /* Can be a localized value subject to deletion. */
+ PL_tmps_stack[++PL_tmps_ix] = *mark;
+ (void)SvREFCNT_inc(*mark);
+ }
+ }
+ }
+ }
+ else if (cx->blk_sub.lval) { /* Leave it as it is if we can. */
+ /* Here we go for robustness, not for speed, so we change all
+ * the refcounts so the caller gets a live guy. Cannot set
+ * TEMP, so sv_2mortal is out of question. */
+ if (!CvLVALUE(cx->blk_sub.cv)) {
+ POPSUB(cx,sv);
+ PL_curpm = newpm;
+ LEAVE;
+ LEAVESUB(sv);
+ DIE(aTHX_ "Can't modify non-lvalue subroutine call");
+ }
+ if (gimme == G_SCALAR) {
+ MARK = newsp + 1;
+ EXTEND_MORTAL(1);
+ if (MARK == SP) {
+ if (SvFLAGS(TOPs) & (SVs_TEMP | SVs_PADTMP | SVf_READONLY)) {
+ POPSUB(cx,sv);
+ PL_curpm = newpm;
+ LEAVE;
+ LEAVESUB(sv);
+ DIE(aTHX_ "Can't return a %s from lvalue subroutine",
+ SvREADONLY(TOPs) ? "readonly value" : "temporary");
+ }
+ else { /* Can be a localized value
+ * subject to deletion. */
+ PL_tmps_stack[++PL_tmps_ix] = *mark;
+ (void)SvREFCNT_inc(*mark);
+ }
+ }
+ else { /* Should not happen? */
+ POPSUB(cx,sv);
+ PL_curpm = newpm;
+ LEAVE;
+ LEAVESUB(sv);
+ DIE(aTHX_ "%s returned from lvalue subroutine in scalar context",
+ (MARK > SP ? "Empty array" : "Array"));
+ }
+ SP = MARK;
+ }
+ else if (gimme == G_ARRAY) {
+ EXTEND_MORTAL(SP - newsp);
+ for (mark = newsp + 1; mark <= SP; mark++) {
+ if (SvFLAGS(*mark) & (SVs_TEMP | SVs_PADTMP | SVf_READONLY)) {
+ /* Might be flattened array after $#array = */
+ PUTBACK;
+ POPSUB(cx,sv);
+ PL_curpm = newpm;
+ LEAVE;
+ LEAVESUB(sv);
+ DIE(aTHX_ "Can't return %s from lvalue subroutine",
+ (*mark != &PL_sv_undef)
+ ? (SvREADONLY(TOPs)
+ ? "a readonly value" : "a temporary")
+ : "an uninitialized value");
+ }
+ else {
+ /* Can be a localized value subject to deletion. */
+ PL_tmps_stack[++PL_tmps_ix] = *mark;
+ (void)SvREFCNT_inc(*mark);
+ }
+ }
+ }
+ }
+ else {
+ if (gimme == G_SCALAR) {
+ temporise:
+ MARK = newsp + 1;
+ if (MARK <= SP) {
+ if (cx->blk_sub.cv && CvDEPTH(cx->blk_sub.cv) > 1) {
+ if (SvTEMP(TOPs)) {
+ *MARK = SvREFCNT_inc(TOPs);
+ FREETMPS;
+ sv_2mortal(*MARK);
+ }
+ else {
+ sv = SvREFCNT_inc(TOPs); /* FREETMPS could clobber it */
+ FREETMPS;
+ *MARK = sv_mortalcopy(sv);
+ SvREFCNT_dec(sv);
+ }
+ }
+ else
+ *MARK = SvTEMP(TOPs) ? TOPs : sv_mortalcopy(TOPs);
+ }
+ else {
+ MEXTEND(MARK, 0);
+ *MARK = &PL_sv_undef;
+ }
+ SP = MARK;
+ }
+ else if (gimme == G_ARRAY) {
+ temporise_array:
+ for (MARK = newsp + 1; MARK <= SP; MARK++) {
+ if (!SvTEMP(*MARK)) {
+ *MARK = sv_mortalcopy(*MARK);
+ TAINT_NOT; /* Each item is independent */
+ }
+ }
+ }
+ }
+ PUTBACK;
+
+ POPSUB(cx,sv); /* Stack values are safe: release CV and @_ ... */
+ PL_curpm = newpm; /* ... and pop $1 et al */
+
+ LEAVE;
+ LEAVESUB(sv);
+ return pop_return();
+}
+
+
STATIC CV *
S_get_db_sub(pTHX_ SV **svp, CV *cv)
{
}
}
else {
- SvUPGRADE(dbsv, SVt_PVIV);
- SvIOK_on(dbsv);
+ (void)SvUPGRADE(dbsv, SVt_PVIV);
+ (void)SvIOK_on(dbsv);
SAVEIV(SvIVX(dbsv));
- SvIVX(dbsv) = (IV)cv; /* Do it the quickest way */
+ SvIVX(dbsv) = PTR2IV(cv); /* Do it the quickest way */
}
if (CvXSUB(cv))
|| !(sv = AvARRAY(av)[0]))
{
MUTEX_UNLOCK(CvMUTEXP(cv));
- Perl_croak(aTHX_ "no argument for locked method call");
+ DIE(aTHX_ "no argument for locked method call");
}
}
if (SvROK(sv))
while (MgOWNER(mg))
COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
MgOWNER(mg) = thr;
- DEBUG_S(PerlIO_printf(PerlIO_stderr(), "%p: pp_entersub lock %p\n",
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "%p: pp_entersub lock %p\n",
thr, sv);)
MUTEX_UNLOCK(MgMUTEXP(mg));
- save_destructor(Perl_unlock_condpair, sv);
+ SAVEDESTRUCTOR_X(Perl_unlock_condpair, sv);
}
MUTEX_LOCK(CvMUTEXP(cv));
}
/* We already have a clone to use */
MUTEX_UNLOCK(CvMUTEXP(cv));
cv = *(CV**)svp;
- DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"entersub: %p already has clone %p:%s\n",
thr, cv, SvPEEK((SV*)cv)));
CvOWNER(cv) = thr;
SvREFCNT_inc(cv);
if (CvDEPTH(cv) == 0)
- SAVEDESTRUCTOR(S_unset_cvowner, (void*) cv);
+ SAVEDESTRUCTOR_X(unset_cvowner, (void*) cv);
}
else {
/* (2) => grab ownership of cv. (3) => make clone */
CvOWNER(cv) = thr;
SvREFCNT_inc(cv);
MUTEX_UNLOCK(CvMUTEXP(cv));
- DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"entersub: %p grabbing %p:%s in stash %s\n",
thr, cv, SvPEEK((SV*)cv), CvSTASH(cv) ?
HvNAME(CvSTASH(cv)) : "(none)"));
- } else {
+ }
+ else {
/* Make a new clone. */
CV *clonecv;
SvREFCNT_inc(cv); /* don't let it vanish from under us */
MUTEX_UNLOCK(CvMUTEXP(cv));
- DEBUG_S((PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S((PerlIO_printf(Perl_debug_log,
"entersub: %p cloning %p:%s\n",
thr, cv, SvPEEK((SV*)cv))));
/*
SvREFCNT_inc(cv);
}
DEBUG_S(if (CvDEPTH(cv) != 0)
- PerlIO_printf(PerlIO_stderr(), "depth %ld != 0\n",
+ PerlIO_printf(Perl_debug_log, "depth %ld != 0\n",
CvDEPTH(cv)););
- SAVEDESTRUCTOR(S_unset_cvowner, (void*) cv);
+ SAVEDESTRUCTOR_X(unset_cvowner, (void*) cv);
}
}
#endif /* USE_THREADS */
SP--;
}
PL_stack_sp = mark + 1;
- fp3 = (I32(*)(int,int,int)))CvXSUB(cv;
+ fp3 = (I32(*)(int,int,int))CvXSUB(cv);
items = (*fp3)(CvXSUBANY(cv).any_i32,
MARK - PL_stack_base + 1,
items);
}
/* We assume first XSUB in &DB::sub is the called one. */
if (PL_curcopdb) {
- SAVESPTR(PL_curcop);
+ SAVEVPTR(PL_curcop);
PL_curcop = PL_curcopdb;
PL_curcopdb = NULL;
}
if (CvDEPTH(cv) < 2)
(void)SvREFCNT_inc(cv);
else { /* save temporaries on recursion? */
+ PERL_STACK_OVERFLOW_CHECK();
if (CvDEPTH(cv) > AvFILLp(padlist)) {
AV *av;
AV *newpad = newAV();
SV **oldpad = AvARRAY(svp[CvDEPTH(cv)-1]);
I32 ix = AvFILLp((AV*)svp[1]);
+ I32 names_fill = AvFILLp((AV*)svp[0]);
svp = AvARRAY(svp[0]);
for ( ;ix > 0; ix--) {
- if (svp[ix] != &PL_sv_undef) {
+ if (names_fill >= ix && svp[ix] != &PL_sv_undef) {
char *name = SvPVX(svp[ix]);
if ((SvFLAGS(svp[ix]) & SVf_FAKE) /* outer lexical? */
|| *name == '&') /* anonymous code? */
SvPADMY_on(sv);
}
}
+ else if (IS_PADGV(oldpad[ix]) || IS_PADCONST(oldpad[ix])) {
+ av_store(newpad, ix, sv = SvREFCNT_inc(oldpad[ix]));
+ }
else {
av_store(newpad, ix, sv = NEWSV(0,0));
SvPADTMP_on(sv);
}
}
#endif /* USE_THREADS */
- SAVESPTR(PL_curpad);
+ SAVEVPTR(PL_curpad);
PL_curpad = AvARRAY((AV*)svp[CvDEPTH(cv)]);
#ifndef USE_THREADS
if (hasargs)
SV** ary;
#if 0
- DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"%p entersub preparing @_\n", thr));
#endif
av = (AV*)PL_curpad[0];
if (AvREAL(av)) {
+ /* @_ is normally not REAL--this should only ever
+ * happen when DB::sub() calls things that modify @_ */
av_clear(av);
AvREAL_off(av);
+ AvREIFY_on(av);
}
#ifndef USE_THREADS
cx->blk_sub.savearray = GvAV(PL_defgv);
&& !(PERLDB_SUB && cv == GvCV(PL_DBsub)))
sub_crush_depth(cv);
#if 0
- DEBUG_S(PerlIO_printf(PerlIO_stderr(),
+ DEBUG_S(PerlIO_printf(Perl_debug_log,
"%p entersub returning %p\n", thr, CvSTART(cv)));
#endif
RETURNOP(CvSTART(cv));
PP(pp_method)
{
djSP;
+ SV* sv = TOPs;
+
+ if (SvROK(sv)) {
+ SV* rsv = SvRV(sv);
+ if (SvTYPE(rsv) == SVt_PVCV) {
+ SETs(rsv);
+ RETURN;
+ }
+ }
+
+ SETs(method_common(sv, Null(U32*)));
+ RETURN;
+}
+
+PP(pp_method_named)
+{
+ djSP;
+ SV* sv = cSVOP->op_sv;
+ U32 hash = SvUVX(sv);
+
+ XPUSHs(method_common(sv, &hash));
+ RETURN;
+}
+
+STATIC SV *
+S_method_common(pTHX_ SV* meth, U32* hashp)
+{
SV* sv;
SV* ob;
GV* gv;
HV* stash;
char* name;
+ STRLEN namelen;
char* packname;
STRLEN packlen;
- if (SvROK(TOPs)) {
- sv = SvRV(TOPs);
- if (SvTYPE(sv) == SVt_PVCV) {
- SETs(sv);
- RETURN;
- }
- }
-
- name = SvPV(TOPs, packlen);
+ name = SvPV(meth, namelen);
sv = *(PL_stack_base + TOPMARK + 1);
-
+
if (SvGMAGICAL(sv))
mg_get(sv);
if (SvROK(sv))
!(ob=(SV*)GvIO(iogv)))
{
if (!packname ||
- ((*(U8*)packname >= 0xc0 && IN_UTF8)
+ ((*(U8*)packname >= 0xc0 && DO_UTF8(sv))
? !isIDFIRST_utf8((U8*)packname)
: !isIDFIRST(*packname)
))
{
- DIE(aTHX_ "Can't call method \"%s\" %s", name,
- SvOK(sv)? "without a package or object reference"
- : "on an undefined value");
+ Perl_croak(aTHX_ "Can't call method \"%s\" %s", name,
+ SvOK(sv) ? "without a package or object reference"
+ : "on an undefined value");
}
stash = gv_stashpvn(packname, packlen, TRUE);
goto fetch;
*(PL_stack_base + TOPMARK + 1) = sv_2mortal(newRV((SV*)iogv));
}
- if (!ob || !SvOBJECT(ob))
- DIE(aTHX_ "Can't call method \"%s\" on unblessed reference", name);
+ if (!ob || !(SvOBJECT(ob)
+ || (SvTYPE(ob) == SVt_PVGV && (ob = (SV*)GvIO((GV*)ob))
+ && SvOBJECT(ob))))
+ {
+ Perl_croak(aTHX_ "Can't call method \"%s\" on unblessed reference",
+ name);
+ }
stash = SvSTASH(ob);
fetch:
+ /* shortcut for simple names */
+ if (hashp) {
+ HE* he = hv_fetch_ent(stash, meth, 0, *hashp);
+ if (he) {
+ gv = (GV*)HeVAL(he);
+ if (isGV(gv) && GvCV(gv) &&
+ (!GvCVGEN(gv) || GvCVGEN(gv) == PL_sub_generation))
+ return (SV*)GvCV(gv);
+ }
+ }
+
gv = gv_fetchmethod(stash, name);
if (!gv) {
char* leaf = name;
sep = p, leaf = p + 2;
}
if (!sep || ((sep - name) == 5 && strnEQ(name, "SUPER", 5))) {
- packname = HvNAME(sep ? PL_curcop->cop_stash : stash);
+ packname = sep ? CopSTASHPV(PL_curcop) : HvNAME(stash);
packlen = strlen(packname);
}
else {
packname = name;
packlen = sep - name;
}
- DIE(aTHX_ "Can't locate object method \"%s\" via package \"%.*s\"",
- leaf, (int)packlen, packname);
+ Perl_croak(aTHX_
+ "Can't locate object method \"%s\" via package \"%s\"",
+ leaf, packname);
}
- SETs(isGV(gv) ? (SV*)GvCV(gv) : (SV*)gv);
- RETURN;
+ return isGV(gv) ? (SV*)GvCV(gv) : (SV*)gv;
}
+#ifdef USE_THREADS
+static void
+unset_cvowner(pTHXo_ void *cvarg)
+{
+ register CV* cv = (CV *) cvarg;
+#ifdef DEBUGGING
+ dTHR;
+#endif /* DEBUGGING */
+
+ DEBUG_S((PerlIO_printf(Perl_debug_log, "%p unsetting CvOWNER of %p:%s\n",
+ thr, cv, SvPEEK((SV*)cv))));
+ MUTEX_LOCK(CvMUTEXP(cv));
+ DEBUG_S(if (CvDEPTH(cv) != 0)
+ PerlIO_printf(Perl_debug_log, "depth %ld != 0\n",
+ CvDEPTH(cv)););
+ assert(thr == CvOWNER(cv));
+ CvOWNER(cv) = 0;
+ MUTEX_UNLOCK(CvMUTEXP(cv));
+ SvREFCNT_dec(cv);
+}
+#endif /* USE_THREADS */
https://perl5.git.perl.org / perl5.git / blobdiff