gv = (GV*)*++MARK;
else
gv = defoutgv;
- if (SvMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
+ if (SvRMAGICAL(gv) && (mg = mg_find((SV*)gv, 'q'))) {
if (MARK == ORIGMARK) {
- EXTEND(SP, 1);
+ MEXTEND(SP, 1);
++MARK;
Move(MARK, MARK + 1, (SP - MARK) + 1, SV*);
++SP;
I32 minmatch = 0;
I32 oldsave = savestack_ix;
I32 update_minmatch = 1;
+ SV *screamer;
if (op->op_flags & OPf_STACKED)
TARG = POPs;
else {
- TARG = GvSV(defgv);
+ TARG = DEFSV;
EXTEND(SP,1);
}
+ PUTBACK; /* EVAL blocks need stack_sp. */
s = SvPV(TARG, len);
strend = s + len;
if (!s)
TAINT_NOT;
if (pm->op_pmflags & PMf_USED) {
+ failure:
if (gimme == G_ARRAY)
RETURN;
RETPUSHNO;
pm = curpm;
rx = pm->op_pmregexp;
}
+ 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;
if (global = pm->op_pmflags & PMf_GLOBAL) {
rx->startp[0] = 0;
gimme = G_SCALAR; /* accidental array context? */
safebase = (((gimme == G_ARRAY) || global || !rx->nparens)
&& !sawampersand);
+ safebase = safebase ? 0 : REXEC_COPY_STR ;
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
SAVEINT(multiline);
multiline = pm->op_pmflags & PMf_MULTILINE;
if (update_minmatch++)
minmatch = (s == rx->startp[0]);
}
- if (pm->op_pmshort) {
- if (pm->op_pmflags & PMf_SCANFIRST) {
- if (SvSCREAM(TARG)) {
- if (screamfirst[BmRARE(pm->op_pmshort)] < 0)
+ if (rx->check_substr) {
+ if (!(rx->reganch & ROPT_NOSCAN)) { /* Floating checkstring. */
+ if ( screamer ) {
+ I32 p = -1;
+
+ if (screamfirst[BmRARE(rx->check_substr)] < 0)
goto nope;
- else if (!(s = screaminstr(TARG, pm->op_pmshort)))
+ else if (!(s = screaminstr(TARG, rx->check_substr,
+ rx->check_offset_min, 0, &p, 0)))
goto nope;
- else if (pm->op_pmflags & PMf_ALL)
+ else if ((rx->reganch & ROPT_CHECK_ALL)
+ && !sawampersand && !SvTAIL(rx->check_substr))
goto yup;
}
- else if (!(s = fbm_instr((unsigned char*)s,
- (unsigned char*)strend, pm->op_pmshort)))
+ else if (!(s = fbm_instr((unsigned char*)s + rx->check_offset_min,
+ (unsigned char*)strend,
+ rx->check_substr)))
goto nope;
- else if (pm->op_pmflags & PMf_ALL)
+ else if ((rx->reganch & ROPT_CHECK_ALL) && !sawampersand)
goto yup;
- if (s && rx->regback >= 0) {
- ++BmUSEFUL(pm->op_pmshort);
- s -= rx->regback;
- if (s < t)
- s = t;
+ if (s && rx->check_offset_max < t - s) {
+ ++BmUSEFUL(rx->check_substr);
+ s -= rx->check_offset_max;
}
else
s = t;
}
- else if (!multiline) {
- if (*SvPVX(pm->op_pmshort) != *s
- || (pm->op_pmslen > 1
- && memNE(SvPVX(pm->op_pmshort), s, pm->op_pmslen)))
+ /* Now checkstring is fixed, i.e. at fixed offset from the
+ beginning of match, and the match is anchored at s. */
+ else if (!multiline) { /* Anchored near beginning of string. */
+ I32 slen;
+ if (*SvPVX(rx->check_substr) != s[rx->check_offset_min]
+ || ((slen = SvCUR(rx->check_substr)) > 1
+ && memNE(SvPVX(rx->check_substr),
+ s + rx->check_offset_min, slen)))
goto nope;
}
- if (!rx->naughty && --BmUSEFUL(pm->op_pmshort) < 0) {
- SvREFCNT_dec(pm->op_pmshort);
- pm->op_pmshort = Nullsv; /* opt is being useless */
+ if (!rx->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 (pregexec(rx, s, strend, truebase, minmatch,
- SvSCREAM(TARG) ? TARG : Nullsv, safebase))
+ if (regexec_flags(rx, s, strend, truebase, minmatch,
+ screamer, NULL, safebase))
{
curpm = pm;
if (pm->op_pmflags & PMf_ONCE)
/*NOTREACHED*/
gotcha:
- TAINT_IF(rx->exec_tainted);
+ TAINT_IF(RX_MATCH_TAINTED(rx));
if (gimme == G_ARRAY) {
I32 iters, i, len;
i = 1;
else
i = 0;
+ SPAGAIN; /* EVAL blocks could move the stack. */
EXTEND(SP, iters + i);
EXTEND_MORTAL(iters + i);
for (i = !i; i <= iters; i++) {
strend = rx->subend;
if (rx->startp[0] && rx->startp[0] == rx->endp[0])
++rx->endp[0];
+ PUTBACK; /* EVAL blocks may use stack */
goto play_it_again;
}
LEAVE_SCOPE(oldsave);
RETPUSHYES;
}
-yup:
- TAINT_IF(rx->exec_tainted);
- ++BmUSEFUL(pm->op_pmshort);
+yup: /* Confirmed by check_substr */
+ TAINT_IF(RX_MATCH_TAINTED(rx));
+ ++BmUSEFUL(rx->check_substr);
curpm = pm;
if (pm->op_pmflags & PMf_ONCE)
pm->op_pmflags |= PMf_USED;
rx->subbeg = truebase;
rx->subend = strend;
rx->startp[0] = s;
- rx->endp[0] = s + SvCUR(pm->op_pmshort);
+ rx->endp[0] = s + SvCUR(rx->check_substr);
goto gotcha;
}
if (sawampersand) {
rx->subbeg = tmps;
rx->subend = tmps + (strend-t);
tmps = rx->startp[0] = tmps + (s - t);
- rx->endp[0] = tmps + SvCUR(pm->op_pmshort);
+ rx->endp[0] = tmps + SvCUR(rx->check_substr);
}
LEAVE_SCOPE(oldsave);
RETPUSHYES;
nope:
- if (pm->op_pmshort)
- ++BmUSEFUL(pm->op_pmshort);
+ if (rx->check_substr)
+ ++BmUSEFUL(rx->check_substr);
ret_no:
if (global && !(pm->op_pmflags & PMf_CONTINUE)) {
I32 gimme = GIMME_V;
MAGIC *mg;
- if (SvMAGICAL(last_in_gv) && (mg = mg_find((SV*)last_in_gv, 'q'))) {
+ if (SvRMAGICAL(last_in_gv) && (mg = mg_find((SV*)last_in_gv, 'q'))) {
PUSHMARK(SP);
XPUSHs(mg->mg_obj);
PUTBACK;
sv_catsv(tmpcmd, tmpglob);
sv_catpv(tmpcmd, "; do echo \"$a\\0\\c\"; done |");
#else
+#ifdef DJGPP
+ sv_setpv(tmpcmd, "/dev/dosglob/"); /* File System Extension */
+ sv_catsv(tmpcmd, tmpglob);
+#else
sv_setpv(tmpcmd, "perlglob ");
sv_catsv(tmpcmd, tmpglob);
sv_catpv(tmpcmd, " |");
+#endif /* !DJGPP */
#endif /* !OS2 */
#else /* !DOSISH */
#if defined(CSH)
STRLEN len;
int force_on_match = 0;
I32 oldsave = savestack_ix;
+ I32 update_minmatch = 1;
+ SV *screamer;
/* known replacement string? */
dstr = (pm->op_pmflags & PMf_CONST) ? POPs : Nullsv;
if (op->op_flags & OPf_STACKED)
TARG = POPs;
else {
- TARG = GvSV(defgv);
+ TARG = DEFSV;
EXTEND(SP,1);
}
if (SvREADONLY(TARG)
pm = curpm;
rx = pm->op_pmregexp;
}
- safebase = (!rx->nparens && !sawampersand);
+ screamer = ( (SvSCREAM(TARG) && rx->check_substr
+ && SvTYPE(rx->check_substr) == SVt_PVBM
+ && SvVALID(rx->check_substr))
+ ? TARG : Nullsv);
+ safebase = (!rx->nparens && !sawampersand) ? 0 : REXEC_COPY_STR;
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
SAVEINT(multiline);
multiline = pm->op_pmflags & PMf_MULTILINE;
}
orig = m = s;
- if (pm->op_pmshort) {
- if (pm->op_pmflags & PMf_SCANFIRST) {
- if (SvSCREAM(TARG)) {
- if (screamfirst[BmRARE(pm->op_pmshort)] < 0)
+ if (rx->check_substr) {
+ if (!(rx->reganch & ROPT_NOSCAN)) { /* It floats. */
+ if (screamer) {
+ I32 p = -1;
+
+ if (screamfirst[BmRARE(rx->check_substr)] < 0)
goto nope;
- else if (!(s = screaminstr(TARG, pm->op_pmshort)))
+ else if (!(s = screaminstr(TARG, rx->check_substr, rx->check_offset_min, 0, &p, 0)))
goto nope;
}
- else if (!(s = fbm_instr((unsigned char*)s, (unsigned char*)strend,
- pm->op_pmshort)))
+ else if (!(s = fbm_instr((unsigned char*)s + rx->check_offset_min,
+ (unsigned char*)strend,
+ rx->check_substr)))
goto nope;
- if (s && rx->regback >= 0) {
- ++BmUSEFUL(pm->op_pmshort);
- s -= rx->regback;
- if (s < m)
- s = m;
+ if (s && rx->check_offset_max < s - m) {
+ ++BmUSEFUL(rx->check_substr);
+ s -= rx->check_offset_max;
}
else
s = m;
}
- else if (!multiline) {
- if (*SvPVX(pm->op_pmshort) != *s
- || (pm->op_pmslen > 1
- && memNE(SvPVX(pm->op_pmshort), s, pm->op_pmslen)))
+ /* Now checkstring is fixed, i.e. at fixed offset from the
+ beginning of match, and the match is anchored at s. */
+ else if (!multiline) { /* Anchored at beginning of string. */
+ I32 slen;
+ if (*SvPVX(rx->check_substr) != s[rx->check_offset_min]
+ || ((slen = SvCUR(rx->check_substr)) > 1
+ && memNE(SvPVX(rx->check_substr),
+ s + rx->check_offset_min, slen)))
goto nope;
}
- if (!rx->naughty && --BmUSEFUL(pm->op_pmshort) < 0) {
- SvREFCNT_dec(pm->op_pmshort);
- pm->op_pmshort = Nullsv; /* opt is being useless */
+ if (!rx->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;
}
}
c = dstr ? SvPV(dstr, clen) : Nullch;
/* can do inplace substitution? */
- if (c && clen <= rx->minlen && safebase) {
- if (! pregexec(rx, s, strend, orig, 0,
- SvSCREAM(TARG) ? TARG : Nullsv, safebase)) {
+ if (c && clen <= rx->minlen && (once || !(safebase & REXEC_COPY_STR))
+ && !(rx->reganch & ROPT_LOOKBEHIND_SEEN)) {
+ if (!regexec_flags(rx, s, strend, orig, 0, screamer, NULL, safebase)) {
PUSHs(&sv_no);
LEAVE_SCOPE(oldsave);
RETURN;
curpm = pm;
SvSCREAM_off(TARG); /* disable possible screamer */
if (once) {
- rxtainted = rx->exec_tainted;
- m = rx->startp[0];
- d = rx->endp[0];
+ 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];
+ }
s = orig;
if (m - s > strend - d) { /* faster to shorten from end */
if (clen) {
do {
if (iters++ > maxiters)
DIE("Substitution loop");
- rxtainted |= rx->exec_tainted;
+ rxtainted |= RX_MATCH_TAINTED(rx);
m = rx->startp[0];
/*SUPPRESS 560*/
if (i = m - s) {
d += clen;
}
s = rx->endp[0];
- } while (pregexec(rx, s, strend, orig, s == m,
- Nullsv, TRUE)); /* don't match same null twice */
+ } while (regexec_flags(rx, s, strend, orig, s == m,
+ Nullsv, NULL, 0)); /* don't match same null twice */
if (s != d) {
i = strend - s;
SvCUR_set(TARG, d - SvPVX(TARG) + i);
RETURN;
}
- if (pregexec(rx, s, strend, orig, 0,
- SvSCREAM(TARG) ? TARG : Nullsv, safebase)) {
+ if (regexec_flags(rx, s, strend, orig, 0, screamer, NULL, safebase)) {
if (force_on_match) {
force_on_match = 0;
s = SvPV_force(TARG, len);
goto force_it;
}
- rxtainted = rx->exec_tainted;
+ rxtainted = RX_MATCH_TAINTED(rx);
dstr = NEWSV(25, sv_len(TARG));
sv_setpvn(dstr, m, s-m);
curpm = pm;
do {
if (iters++ > maxiters)
DIE("Substitution loop");
- rxtainted |= rx->exec_tainted;
+ rxtainted |= RX_MATCH_TAINTED(rx);
if (rx->subbase && rx->subbase != orig) {
m = s;
s = orig;
sv_catpvn(dstr, c, clen);
if (once)
break;
- } while (pregexec(rx, s, strend, orig, s == m, Nullsv, safebase));
+ } while (regexec_flags(rx, s, strend, orig, s == m, Nullsv, NULL, safebase));
sv_catpvn(dstr, s, strend - s);
TAINT_IF(rxtainted);
goto ret_no;
nope:
- ++BmUSEFUL(pm->op_pmshort);
+ ++BmUSEFUL(rx->check_substr);
ret_no:
PUSHs(&sv_no);
src = stack_base[*markstack_ptr];
SvTEMP_off(src);
- GvSV(defgv) = src;
+ DEFSV = src;
RETURNOP(cLOGOP->op_other);
}
if (!CvROOT(cv) && !CvXSUB(cv)) {
GV* autogv;
- SV* subname;
+ SV* sub_name;
/* anonymous or undef'd function leaves us no recourse */
if (CvANON(cv) || !(gv = CvGV(cv)))
goto retry;
}
/* sorry */
- subname = sv_newmortal();
- gv_efullname3(subname, gv, Nullch);
- DIE("Undefined subroutine &%s called", SvPVX(subname));
+ sub_name = sv_newmortal();
+ gv_efullname3(sub_name, gv, Nullch);
+ DIE("Undefined subroutine &%s called", SvPVX(sub_name));
}
gimme = GIMME_V;
#ifdef USE_THREADS
/*
* First we need to check if the sub or method requires locking.
- * If so, we gain a lock on the CV or the first argument, as
- * appropriate. This has to be inline because for FAKE_THREADS,
- * COND_WAIT inlines code to reschedule by returning a new op.
+ * If so, we gain a lock on the CV, the first argument or the
+ * stash (for static methods), as appropriate. This has to be
+ * inline because for FAKE_THREADS, COND_WAIT inlines code to
+ * reschedule by returning a new op.
*/
MUTEX_LOCK(CvMUTEXP(cv));
if (CvFLAGS(cv) & CVf_LOCKED) {
}
if (SvROK(sv))
sv = SvRV(sv);
+ else {
+ STRLEN len;
+ char *stashname = SvPV(sv, len);
+ sv = (SV*)gv_stashpvn(stashname, len, TRUE);
+ }
}
else {
sv = (SV*)cv;
SETs(isGV(gv) ? (SV*)GvCV(gv) : (SV*)gv);
RETURN;
}
+