*/
#include "EXTERN.h"
+#define PERL_IN_PP_HOT_C
#include "perl.h"
#ifdef I_UNISTD
/* Hot code. */
#ifdef USE_THREADS
-static void
-unset_cvowner(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)
return NORMAL;
}
+PP(pp_setstate)
+{
+ PL_curcop = (COP*)PL_op;
+ return NORMAL;
+}
+
PP(pp_pushmark)
{
PUSHMARK(PL_stack_sp);
{
djSP;
if (SvTRUEx(POPs))
- RETURNOP(cCONDOP->op_true);
+ RETURNOP(cLOGOP->op_other);
else
- RETURNOP(cCONDOP->op_false);
+ RETURNOP(cLOGOP->op_next);
}
PP(pp_unstack)
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_MISC)) {
+ 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_MISC, "Possible Y2K bug: %s",
+ "about to append an integer to '19'");
+ }
+ }
+#endif
sv_catpvn(TARG,s,len);
+ }
else
sv_setpvn(TARG,s,len); /* suppress warning */
SETTARG;
dSP;
XPUSHs((SV*)PL_last_in_gv);
PUTBACK;
- pp_rv2gv(ARGS);
+ pp_rv2gv();
PL_last_in_gv = (GV*)(*PL_stack_sp--);
}
}
{
djSP;
if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
- croak(PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
SvIVX(TOPs) != IV_MAX)
{
*MARK = SvTIED_obj((SV*)gv, mg);
PUTBACK;
ENTER;
- perl_call_method("PRINT", G_SCALAR);
+ call_method("PRINT", G_SCALAR);
LEAVE;
SPAGAIN;
MARK = ORIGMARK + 1;
if (!(io = GvIO(gv))) {
if (ckWARN(WARN_UNOPENED)) {
SV* sv = sv_newmortal();
- gv_fullname3(sv, gv, Nullch);
- warner(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$_IFI);
goto just_say_no;
}
else if (!(fp = IoOFP(io))) {
if (ckWARN2(WARN_CLOSED, WARN_IO)) {
SV* sv = sv_newmortal();
- gv_fullname3(sv, gv, Nullch);
+ gv_efullname3(sv, gv, Nullch);
if (IoIFP(io))
- warner(WARN_IO, "Filehandle %s opened only for input",
- SvPV(sv,n_a));
+ Perl_warner(aTHX_ WARN_IO,
+ "Filehandle %s opened only for input",
+ SvPV(sv,n_a));
else if (ckWARN(WARN_CLOSED))
- warner(WARN_CLOSED, "print on closed filehandle %s",
- SvPV(sv,n_a));
+ Perl_warner(aTHX_ WARN_CLOSED,
+ "print on closed filehandle %s", SvPV(sv,n_a));
}
SETERRNO(EBADF,IoIFP(io)?RMS$_FAC:RMS$_IFI);
goto just_say_no;
av = (AV*)SvRV(sv);
if (SvTYPE(av) != SVt_PVAV)
- DIE("Not an ARRAY reference");
+ DIE(aTHX_ "Not an ARRAY reference");
if (PL_op->op_flags & OPf_REF) {
SETs((SV*)av);
RETURN;
if (!SvOK(sv)) {
if (PL_op->op_flags & OPf_REF ||
PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_usym, "an ARRAY");
+ DIE(aTHX_ PL_no_usym, "an ARRAY");
if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
if (GIMME == G_ARRAY) {
(void)POPs;
RETURN;
}
else {
if (PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_symref, sym, "an ARRAY");
+ DIE(aTHX_ PL_no_symref, sym, "an ARRAY");
gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVAV);
}
}
hv = (HV*)SvRV(sv);
if (SvTYPE(hv) != SVt_PVHV && SvTYPE(hv) != SVt_PVAV)
- DIE("Not a HASH reference");
+ DIE(aTHX_ "Not a HASH reference");
if (PL_op->op_flags & OPf_REF) {
SETs((SV*)hv);
RETURN;
if (!SvOK(sv)) {
if (PL_op->op_flags & OPf_REF ||
PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_usym, "a HASH");
+ DIE(aTHX_ PL_no_usym, "a HASH");
if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
if (GIMME == G_ARRAY) {
SP--;
RETURN;
}
else {
if (PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_symref, sym, "a HASH");
+ DIE(aTHX_ PL_no_symref, sym, "a HASH");
gv = (GV*)gv_fetchpv(sym, TRUE, SVt_PVHV);
}
}
if (GIMME == G_ARRAY) { /* array wanted */
*PL_stack_sp = (SV*)hv;
- return do_kv(ARGS);
+ return do_kv();
}
else {
dTARGET;
if (SvTYPE(hv) == SVt_PVAV)
hv = avhv_keys((AV*)hv);
+#ifdef IV_IS_QUAD
if (HvFILL(hv))
- sv_setpvf(TARG, "%ld/%ld",
- (long)HvFILL(hv), (long)HvMAX(hv) + 1);
+ Perl_sv_setpvf(aTHX_ TARG, "%" PERL_PRId64 "/%" PERL_PRId64,
+ (Quad_t)HvFILL(hv), (Quad_t)HvMAX(hv) + 1);
+#else
+ if (HvFILL(hv))
+ Perl_sv_setpvf(aTHX_ TARG, "%ld/%ld",
+ (long)HvFILL(hv), (long)HvMAX(hv) + 1);
+#endif
else
sv_setiv(TARG, 0);
SvROK(*relem) &&
( SvTYPE(SvRV(*relem)) == SVt_PVAV ||
SvTYPE(SvRV(*relem)) == SVt_PVHV ) )
- warner(WARN_UNSAFE, "Reference found where even-sized list expected");
+ Perl_warner(aTHX_ WARN_UNSAFE, "Reference found where even-sized list expected");
else
- warner(WARN_UNSAFE, "Odd number of elements in hash assignment");
+ Perl_warner(aTHX_ WARN_UNSAFE, "Odd number of elements in hash assignment");
}
tmpstr = NEWSV(29,0);
didstore = hv_store_ent(hash,*relem,tmpstr,0);
# endif /* HAS_SETEUID */
if (PL_delaymagic & DM_UID) {
if (PL_uid != PL_euid)
- DIE("No setreuid available");
+ DIE(aTHX_ "No setreuid available");
(void)PerlProc_setuid(PL_uid);
}
# 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_SETEGID */
if (PL_delaymagic & DM_GID) {
if (PL_gid != PL_egid)
- DIE("No setregid available");
+ DIE(aTHX_ "No setregid available");
(void)PerlProc_setgid(PL_gid);
}
# 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;
+ I32 r_flags = REXEC_CHECKED;
+ char *truebase; /* Start of string */
register REGEXP *rx = pm->op_pmregexp;
bool rxtainted;
I32 gimme = GIMME;
s = SvPV(TARG, len);
strend = s + len;
if (!s)
- DIE("panic: do_match");
+ DIE(aTHX_ "panic: do_match");
rxtainted = ((pm->op_pmdynflags & PMdf_TAINTED) ||
(PL_tainted && (pm->op_pmflags & PMf_RETAINT)));
TAINT_NOT;
/* XXXX What part of this is needed with true \G-support? */
if (global = pm->op_pmflags & PMf_GLOBAL) {
- rx->startp[0] = 0;
+ rx->startp[0] = -1;
if (SvTYPE(TARG) >= SVt_PVMG && SvMAGIC(TARG)) {
MAGIC* mg = mg_find(TARG, 'g');
if (mg && mg->mg_len >= 0) {
if (!(rx->reganch & ROPT_GPOS_SEEN))
- rx->endp[0] = rx->startp[0] = s + mg->mg_len;
+ rx->endp[0] = rx->startp[0] = mg->mg_len;
else if (rx->reganch & ROPT_ANCH_GPOS) {
r_flags |= REXEC_IGNOREPOS;
- rx->endp[0] = rx->startp[0] = s + mg->mg_len;
+ rx->endp[0] = rx->startp[0] = mg->mg_len;
}
minmatch = (mg->mg_flags & MGf_MINMATCH);
update_minmatch = 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))
+ if (SvSCREAM(TARG))
r_flags |= REXEC_SCREAM;
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
}
play_it_again:
- if (global && rx->startp[0]) {
- t = s = rx->endp[0];
+ if (global && rx->startp[0] != -1) {
+ t = s = rx->endp[0] + truebase;
if ((s + rx->minlen) > strend)
goto nope;
if (update_minmatch++)
minmatch = had_zerolen;
}
- if (rx->check_substr) {
- if (!(rx->reganch & ROPT_NOSCAN)) { /* Floating checkstring. */
- 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;
-
- if ((rx->reganch & ROPT_CHECK_ALL)
- && !PL_sawampersand && !SvTAIL(rx->check_substr))
- goto yup;
- }
- else if (!(s = fbm_instr((unsigned char*)HOP((U8*)s, rx->check_offset_min),
- (unsigned char*)strend,
- rx->check_substr, 0)))
- goto nope;
- else if ((rx->reganch & ROPT_CHECK_ALL) && !PL_sawampersand)
- goto yup;
- if (s && rx->check_offset_max < s - t) {
- ++BmUSEFUL(rx->check_substr);
- 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 (*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 (CALLREGEXEC(rx, s, strend, truebase, minmatch, TARG, NULL, r_flags))
+ 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))
{
PL_curpm = pm;
if (pm->op_pmflags & PMf_ONCE)
for (i = !i; i <= iters; i++) {
PUSHs(sv_newmortal());
/*SUPPRESS 560*/
- if ((s = rx->startp[i]) && rx->endp[i] ) {
- len = rx->endp[i] - s;
+ if ((rx->startp[i] != -1) && rx->endp[i] != -1 ) {
+ len = rx->endp[i] - rx->startp[i];
+ s = rx->startp[i] + truebase;
sv_setpvn(*SP, s, len);
}
}
if (global) {
- truebase = rx->subbeg;
- strend = rx->subend;
- had_zerolen = (rx->startp[0] && rx->startp[0] == rx->endp[0]);
+ had_zerolen = (rx->startp[0] != -1
+ && rx->startp[0] == rx->endp[0]);
PUTBACK; /* EVAL blocks may use stack */
- r_flags |= REXEC_IGNOREPOS;
+ r_flags |= REXEC_IGNOREPOS | REXEC_NOT_FIRST;
goto play_it_again;
}
else if (!iters)
sv_magic(TARG, (SV*)0, 'g', Nullch, 0);
mg = mg_find(TARG, 'g');
}
- if (rx->startp[0]) {
- mg->mg_len = rx->endp[0] - rx->subbeg;
+ if (rx->startp[0] != -1) {
+ mg->mg_len = rx->endp[0];
if (rx->startp[0] == rx->endp[0])
mg->mg_flags |= MGf_MINMATCH;
else
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;
- Safefree(rx->subbase);
- rx->subbase = Nullch;
+ if (RX_MATCH_COPIED(rx))
+ Safefree(rx->subbeg);
+ RX_MATCH_COPIED_off(rx);
+ rx->subbeg = Nullch;
if (global) {
rx->subbeg = truebase;
- rx->subend = strend;
- rx->startp[0] = s;
- rx->endp[0] = s + SvCUR(rx->check_substr);
+ rx->startp[0] = s - truebase;
+ rx->endp[0] = s - truebase + rx->minlen;
+ rx->sublen = strend - truebase;
goto gotcha;
- }
+ }
if (PL_sawampersand) {
- char *tmps;
+ I32 off;
- tmps = rx->subbase = savepvn(t, strend-t);
- rx->subbeg = tmps;
- rx->subend = tmps + (strend-t);
- tmps = rx->startp[0] = tmps + (s - t);
- rx->endp[0] = tmps + SvCUR(rx->check_substr);
+ rx->subbeg = savepvn(t, strend - t);
+ rx->sublen = strend - t;
+ RX_MATCH_COPIED_on(rx);
+ off = rx->startp[0] = s - t;
+ rx->endp[0] = off + rx->minlen;
+ }
+ else { /* startp/endp are used by @- @+. */
+ rx->startp[0] = s - truebase;
+ rx->endp[0] = s - truebase + rx->minlen;
}
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)) {
}
OP *
-do_readline(void)
+Perl_do_readline(pTHX)
{
dSP; dTARGETSTACKED;
register SV *sv;
XPUSHs(SvTIED_obj((SV*)PL_last_in_gv, mg));
PUTBACK;
ENTER;
- perl_call_method("READLINE", gimme);
+ call_method("READLINE", gimme);
LEAVE;
SPAGAIN;
if (gimme == G_SCALAR)
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 */
}
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))
- warner(WARN_CLOSED,
- "Read on closed filehandle <%s>", GvENAME(PL_last_in_gv));
+ if (ckWARN(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));
+ else {
+ SV* sv = sv_newmortal();
+ gv_efullname3(sv, PL_last_in_gv, Nullch);
+ Perl_warner(aTHX_ WARN_CLOSED,
+ "Read on closed filehandle %s",
+ SvPV_nolen(sv));
+ }
+ }
if (gimme == G_SCALAR) {
(void)SvOK_off(TARG);
PUSHTARG;
}
else if (type == OP_GLOB) {
if (!do_close(PL_last_in_gv, FALSE) && ckWARN(WARN_CLOSED)) {
- warner(WARN_CLOSED,
+ Perl_warner(aTHX_ WARN_CLOSED,
"glob failed (child exited with status %d%s)",
STATUS_CURRENT >> 8,
(STATUS_CURRENT & 0x80) ? ", core dumped" : "");
if (!isALPHA(*tmps) && !isDIGIT(*tmps) &&
strchr("$&*(){}[]'\";\\|?<>~`", *tmps))
break;
- if (*tmps && PerlLIO_stat(SvPVX(sv), &PL_statbuf) < 0) {
+ if (*tmps && PerlLIO_lstat(SvPVX(sv), &PL_statbuf) < 0) {
(void)POPs; /* Unmatched wildcard? Chuck it... */
continue;
}
}
else if (SvTYPE(hv) == SVt_PVAV) {
if (PL_op->op_private & OPpLVAL_INTRO)
- DIE("Can't localize pseudo-hash element");
+ DIE(aTHX_ "Can't localize pseudo-hash element");
svp = avhv_fetch_ent((AV*)hv, keysv, lval && !defer, 0);
}
else {
SV* key2;
if (!defer) {
STRLEN n_a;
- DIE(PL_no_helem, SvPV(keysv, n_a));
+ DIE(aTHX_ PL_no_helem, SvPV(keysv, n_a));
}
lv = sv_newmortal();
sv_upgrade(lv, SVt_PVLV);
EXTEND(SP, 1);
cx = &cxstack[cxstack_ix];
if (CxTYPE(cx) != CXt_LOOP)
- DIE("panic: pp_iter");
+ DIE(aTHX_ "panic: pp_iter");
av = cx->blk_loop.iterary;
if (SvTYPE(av) != SVt_PVAV) {
}
LvTARG(lv) = SvREFCNT_inc(av);
LvTARGOFF(lv) = cx->blk_loop.iterix;
- LvTARGLEN(lv) = (UV) -1;
+ LvTARGLEN(lv) = (STRLEN)UV_MAX;
sv = (SV*)lv;
}
if (SvREADONLY(TARG)
|| (SvTYPE(TARG) > SVt_PVLV
&& !(SvTYPE(TARG) == SVt_PVGV && SvFAKE(TARG))))
- croak(PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
PUTBACK;
s = SvPV(TARG, len);
force_it:
if (!pm || !s)
- DIE("panic: do_subst");
+ DIE(aTHX_ "panic: do_subst");
strend = s + len;
maxiters = 2*(strend - s) + 10; /* We can match twice at each
}
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, 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(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);
SvSCREAM_off(TARG); /* disable possible screamer */
if (once) {
rxtainted |= RX_MATCH_TAINTED(rx);
- if (rx->subbase) {
- m = orig + (rx->startp[0] - rx->subbase);
- d = orig + (rx->endp[0] - rx->subbase);
- } else {
- m = rx->startp[0];
- d = rx->endp[0];
- }
+ m = orig + rx->startp[0];
+ d = orig + rx->endp[0];
s = orig;
if (m - s > strend - d) { /* faster to shorten from end */
if (clen) {
else {
do {
if (iters++ > maxiters)
- DIE("Substitution loop");
+ DIE(aTHX_ "Substitution loop");
rxtainted |= RX_MATCH_TAINTED(rx);
- m = rx->startp[0];
+ m = rx->startp[0] + orig;
/*SUPPRESS 560*/
if (i = m - s) {
if (s != d)
Copy(c, d, clen, char);
d += clen;
}
- s = rx->endp[0];
- } while (CALLREGEXEC(rx, s, strend, orig, s == m,
- Nullsv, NULL, 0)); /* don't match same null twice */
+ s = rx->endp[0] + orig;
+ } while (CALLREGEXEC(aTHX_ rx, s, strend, orig, s == m,
+ 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(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);
PUSHSUBST(cx);
RETURNOP(cPMOP->op_pmreplroot);
}
- r_flags |= REXEC_IGNOREPOS;
+ r_flags |= REXEC_IGNOREPOS | REXEC_NOT_FIRST;
do {
if (iters++ > maxiters)
- DIE("Substitution loop");
+ DIE(aTHX_ "Substitution loop");
rxtainted |= RX_MATCH_TAINTED(rx);
- if (rx->subbase && rx->subbase != orig) {
+ if (RX_MATCH_COPIED(rx) && rx->subbeg != orig) {
m = s;
s = orig;
- orig = rx->subbase;
+ orig = rx->subbeg;
s = orig + (m - s);
strend = s + (strend - m);
}
- m = rx->startp[0];
+ m = rx->startp[0] + orig;
sv_catpvn(dstr, s, m-s);
- s = rx->endp[0];
+ s = rx->endp[0] + orig;
if (clen)
sv_catpvn(dstr, c, clen);
if (once)
break;
- } while (CALLREGEXEC(rx, s, strend, orig, s == m, TARG, NULL, r_flags));
+ } while (CALLREGEXEC(aTHX_ rx, s, strend, orig, s == m, TARG, NULL, r_flags));
sv_catpvn(dstr, s, strend - s);
(void)SvOOK_off(TARG);
goto ret_no;
nope:
- ++BmUSEFUL(rx->check_substr);
-
ret_no:
SPAGAIN;
PUSHs(&PL_sv_no);
*MARK = SvREFCNT_inc(TOPs);
FREETMPS;
sv_2mortal(*MARK);
- } else {
+ }
+ else {
FREETMPS;
*MARK = sv_mortalcopy(TOPs);
}
- } else
+ }
+ else
*MARK = SvTEMP(TOPs) ? TOPs : sv_mortalcopy(TOPs);
- } else {
+ }
+ else {
MEXTEND(MARK, 0);
*MARK = &PL_sv_undef;
}
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;
+ struct block_sub cxsub;
+
+ POPBLOCK(cx,newpm);
+ POPSUB1(cx); /* Delay POPSUB2 until stack values are safe */
+
+ 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(cxsub.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;
+ 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(cxsub.cv)) {
+ POPSUB2();
+ PL_curpm = newpm;
+ 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)) {
+ POPSUB2();
+ PL_curpm = newpm;
+ 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;
+ SvREFCNT_inc(*mark);
+ }
+ }
+ else { /* Should not happen? */
+ POPSUB2();
+ PL_curpm = newpm;
+ 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;
+ POPSUB2();
+ PL_curpm = newpm;
+ DIE(aTHX_ "Can't return %s from lvalue subroutine",
+ (*mark != &PL_sv_undef)
+ ? (SvREADONLY(TOPs)
+ ? "a readonly value" : "a temporary")
+ : "an uninitialized value");
+ }
+ else {
+ mortalize:
+ /* Can be a localized value subject to deletion. */
+ PL_tmps_stack[++PL_tmps_ix] = *mark;
+ SvREFCNT_inc(*mark);
+ }
+ }
+ }
+ }
+ else {
+ if (gimme == G_SCALAR) {
+ temporise:
+ MARK = newsp + 1;
+ if (MARK <= SP) {
+ if (cxsub.cv && CvDEPTH(cxsub.cv) > 1) {
+ if (SvTEMP(TOPs)) {
+ *MARK = SvREFCNT_inc(TOPs);
+ FREETMPS;
+ sv_2mortal(*MARK);
+ }
+ else {
+ FREETMPS;
+ *MARK = sv_mortalcopy(TOPs);
+ }
+ }
+ 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;
+
+ POPSUB2(); /* Stack values are safe: release CV and @_ ... */
+ PL_curpm = newpm; /* ... and pop $1 et al */
+
+ LEAVE;
+ return pop_return();
+}
+
+
STATIC CV *
-get_db_sub(SV **svp, CV *cv)
+S_get_db_sub(pTHX_ SV **svp, CV *cv)
{
dTHR;
SV *dbsv = GvSV(PL_DBsub);
SvUPGRADE(dbsv, SVt_PVIV);
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))
bool hasargs = (PL_op->op_flags & OPf_STACKED) != 0;
if (!sv)
- DIE("Not a CODE reference");
+ DIE(aTHX_ "Not a CODE reference");
switch (SvTYPE(sv)) {
default:
if (!SvROK(sv)) {
else
sym = SvPV(sv, n_a);
if (!sym)
- DIE(PL_no_usym, "a subroutine");
+ DIE(aTHX_ PL_no_usym, "a subroutine");
if (PL_op->op_private & HINT_STRICT_REFS)
- DIE(PL_no_symref, sym, "a subroutine");
- cv = perl_get_cv(sym, TRUE);
+ DIE(aTHX_ PL_no_symref, sym, "a subroutine");
+ cv = get_cv(sym, TRUE);
break;
}
{
/* FALL THROUGH */
case SVt_PVHV:
case SVt_PVAV:
- DIE("Not a CODE reference");
+ DIE(aTHX_ "Not a CODE reference");
case SVt_PVCV:
cv = (CV*)sv;
break;
/* anonymous or undef'd function leaves us no recourse */
if (CvANON(cv) || !(gv = CvGV(cv)))
- DIE("Undefined subroutine called");
+ DIE(aTHX_ "Undefined subroutine called");
/* autoloaded stub? */
if (cv != GvCV(gv)) {
else {
sub_name = sv_newmortal();
gv_efullname3(sub_name, gv, Nullch);
- DIE("Undefined subroutine &%s called", SvPVX(sub_name));
+ DIE(aTHX_ "Undefined subroutine &%s called", SvPVX(sub_name));
}
}
if (!cv)
- DIE("Not a CODE reference");
+ DIE(aTHX_ "Not a CODE reference");
goto retry;
}
if ((PL_op->op_private & OPpENTERSUB_DB) && GvCV(PL_DBsub) && !CvNODEBUG(cv)) {
cv = get_db_sub(&sv, cv);
if (!cv)
- DIE("No DBsub routine");
+ DIE(aTHX_ "No DBsub routine");
}
#ifdef USE_THREADS
|| !(sv = AvARRAY(av)[0]))
{
MUTEX_UNLOCK(CvMUTEXP(cv));
- croak("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(unlock_condpair, sv);
+ SAVEDESTRUCTOR(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;
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(unset_cvowner, (void*) cv);
}
if (CvXSUB(cv)) {
#ifdef PERL_XSUB_OLDSTYLE
if (CvOLDSTYLE(cv)) {
- I32 (*fp3)_((int,int,int));
+ I32 (*fp3)(int,int,int);
dMARK;
register I32 items = SP - MARK;
/* We dont worry to copy from @_. */
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);
PL_curcopdb = NULL;
}
/* Do we need to open block here? XXXX */
- (void)(*CvXSUB(cv))(cv _PERL_OBJECT_THIS);
+ (void)(*CvXSUB(cv))(aTHXo_ cv);
/* Enforce some sanity in scalar context. */
if (gimme == G_SCALAR && ++markix != PL_stack_sp - PL_stack_base ) {
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)) {
- av_clear(av);
- AvREAL_off(av);
- }
+ assert(!AvREAL(av));
#ifndef USE_THREADS
cx->blk_sub.savearray = GvAV(PL_defgv);
GvAV(PL_defgv) = (AV*)SvREFCNT_inc(av);
&& !(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));
}
void
-sub_crush_depth(CV *cv)
+Perl_sub_crush_depth(pTHX_ CV *cv)
{
if (CvANON(cv))
- warner(WARN_RECURSION, "Deep recursion on anonymous subroutine");
+ Perl_warner(aTHX_ WARN_RECURSION, "Deep recursion on anonymous subroutine");
else {
SV* tmpstr = sv_newmortal();
gv_efullname3(tmpstr, CvGV(cv), Nullch);
- warner(WARN_RECURSION, "Deep recursion on subroutine \"%s\"",
+ Perl_warner(aTHX_ WARN_RECURSION, "Deep recursion on subroutine \"%s\"",
SvPVX(tmpstr));
}
}
if (!svp || *svp == &PL_sv_undef) {
SV* lv;
if (!defer)
- DIE(PL_no_aelem, elem);
+ DIE(aTHX_ PL_no_aelem, elem);
lv = sv_newmortal();
sv_upgrade(lv, SVt_PVLV);
LvTYPE(lv) = 'y';
}
void
-vivify_ref(SV *sv, U32 to_what)
+Perl_vivify_ref(pTHX_ SV *sv, U32 to_what)
{
if (SvGMAGICAL(sv))
mg_get(sv);
if (!SvOK(sv)) {
if (SvREADONLY(sv))
- croak(PL_no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
if (SvTYPE(sv) < SVt_RV)
sv_upgrade(sv, SVt_RV);
else if (SvTYPE(sv) >= SVt_PV) {
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)
+{
+ djSP;
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))
: !isIDFIRST(*packname)
))
{
- DIE("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;
}
if (!ob || !SvOBJECT(ob))
- DIE("Can't call method \"%s\" on unblessed reference", name);
+ 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;
packname = name;
packlen = sep - name;
}
- DIE("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