start_shift + (s - strbeg), end_shift, pp, 0);
else
goto fail_finish;
+ /* we may be pointing at the wrong string */
+ if (s && RX_MATCH_COPIED(prog))
+ s = prog->subbeg + (s - SvPVX(sv));
if (data)
*data->scream_olds = s;
}
t = s - prog->check_offset_max;
if (s - strpos > prog->check_offset_max /* signed-corrected t > strpos */
- && (!(prog->reganch & ROPT_UTF8)
+ && (!do_utf8
|| ((t = reghopmaybe3_c(s, -(prog->check_offset_max), strpos))
&& t > strpos)))
/* EMPTY */;
t = s - prog->check_offset_max;
if (s - strpos > prog->check_offset_max /* signed-corrected t > strpos */
- && (!(prog->reganch & ROPT_UTF8)
+ && (!do_utf8
|| ((t = reghopmaybe3_c(s, -prog->check_offset_max, strpos))
&& t > strpos))) {
/* Fixed substring is found far enough so that the match
/* We know what class it must start with. */
switch (OP(c)) {
case ANYOF:
- while (s < strend) {
- STRLEN skip = do_utf8 ? UTF8SKIP(s) : 1;
-
- if (do_utf8 ?
- reginclass(c, (U8*)s, 0, do_utf8) :
- REGINCLASS(c, (U8*)s) ||
- (ANYOF_FOLD_SHARP_S(c, s, strend) &&
- /* The assignment of 2 is intentional:
- * for the sharp s, the skip is 2. */
- (skip = SHARP_S_SKIP)
- )) {
- if (tmp && (norun || regtry(prog, s)))
- goto got_it;
- else
- tmp = doevery;
- }
- else
- tmp = 1;
- s += skip;
+ if (do_utf8) {
+ while (s < strend) {
+ if ((ANYOF_FLAGS(c) & ANYOF_UNICODE) ||
+ !UTF8_IS_INVARIANT((U8)s[0]) ?
+ reginclass(c, (U8*)s, 0, do_utf8) :
+ REGINCLASS(c, (U8*)s)) {
+ if (tmp && (norun || regtry(prog, s)))
+ goto got_it;
+ else
+ tmp = doevery;
+ }
+ else
+ tmp = 1;
+ s += UTF8SKIP(s);
+ }
+ }
+ else {
+ while (s < strend) {
+ STRLEN skip = 1;
+
+ if (REGINCLASS(c, (U8*)s) ||
+ (ANYOF_FOLD_SHARP_S(c, s, strend) &&
+ /* The assignment of 2 is intentional:
+ * for the folded sharp s, the skip is 2. */
+ (skip = SHARP_S_SKIP))) {
+ if (tmp && (norun || regtry(prog, s)))
+ goto got_it;
+ else
+ tmp = doevery;
+ }
+ else
+ tmp = 1;
+ s += skip;
+ }
}
break;
case CANY:
: (s = fbm_instr((unsigned char*)HOP3(s, back_min, strend),
(unsigned char*)strend, must,
PL_multiline ? FBMrf_MULTILINE : 0))) ) {
+ /* we may be pointing at the wrong string */
+ if ((flags & REXEC_SCREAM) && RX_MATCH_COPIED(prog))
+ s = prog->subbeg + (s - SvPVX(sv));
DEBUG_r( did_match = 1 );
if (HOPc(s, -back_max) > last1) {
last1 = HOPc(s, -back_min);
goto phooey;
}
else if ((c = prog->regstclass)) {
- if (minlen && PL_regkind[(U8)OP(prog->regstclass)] != EXACT)
+ if (minlen) {
+ I32 op = (U8)OP(prog->regstclass);
/* don't bother with what can't match */
- strend = HOPc(strend, -(minlen - 1));
+ if (PL_regkind[op] != EXACT && op != CANY)
+ strend = HOPc(strend, -(minlen - 1));
+ }
DEBUG_r({
SV *prop = sv_newmortal();
char *s0;
end_shift, &scream_pos, 1); /* last one */
if (!last)
last = scream_olds; /* Only one occurrence. */
+ /* we may be pointing at the wrong string */
+ else if (RX_MATCH_COPIED(prog))
+ s = prog->subbeg + (s - SvPVX(sv));
}
else {
STRLEN len;
PL_reglastparen = &prog->lastparen;
PL_reglastcloseparen = &prog->lastcloseparen;
prog->lastparen = 0;
+ prog->lastcloseparen = 0;
PL_regsize = 0;
DEBUG_r(PL_reg_starttry = startpos);
if (PL_reg_start_tmpl <= prog->nparens) {
regprop(prop, scan);
{
char *s0 =
- do_utf8 ?
+ do_utf8 && OP(scan) != CANY ?
pv_uni_display(dsv0, (U8*)(locinput - pref_len),
pref0_len, 60, UNI_DISPLAY_REGEX) :
locinput - pref_len;
int len0 = do_utf8 ? strlen(s0) : pref0_len;
- char *s1 = do_utf8 ?
+ char *s1 = do_utf8 && OP(scan) != CANY ?
pv_uni_display(dsv1, (U8*)(locinput - pref_len + pref0_len),
pref_len - pref0_len, 60, UNI_DISPLAY_REGEX) :
locinput - pref_len + pref0_len;
int len1 = do_utf8 ? strlen(s1) : pref_len - pref0_len;
- char *s2 = do_utf8 ?
+ char *s2 = do_utf8 && OP(scan) != CANY ?
pv_uni_display(dsv2, (U8*)locinput,
PL_regeol - locinput, 60, UNI_DISPLAY_REGEX) :
locinput;
dSP;
OP_4tree *oop = PL_op;
COP *ocurcop = PL_curcop;
- SV **ocurpad = PL_curpad;
+ PAD *old_comppad;
SV *ret;
n = ARG(scan);
PL_op = (OP_4tree*)PL_regdata->data[n];
DEBUG_r( PerlIO_printf(Perl_debug_log, " re_eval 0x%"UVxf"\n", PTR2UV(PL_op)) );
- PL_curpad = AvARRAY((AV*)PL_regdata->data[n + 2]);
+ PAD_SAVE_LOCAL(old_comppad, (PAD*)PL_regdata->data[n + 2]);
PL_regendp[0] = PL_reg_magic->mg_len = locinput - PL_bostr;
{
CALLRUNOPS(aTHX); /* Scalar context. */
SPAGAIN;
if (SP == before)
- ret = Nullsv; /* protect against empty (?{}) blocks. */
+ ret = &PL_sv_undef; /* protect against empty (?{}) blocks. */
else {
ret = POPs;
PUTBACK;
}
PL_op = oop;
- PL_curpad = ocurpad;
+ PAD_RESTORE_LOCAL(old_comppad);
PL_curcop = ocurcop;
if (logical) {
if (logical == 2) { /* Postponed subexpression. */
MAGIC *mg = Null(MAGIC*);
re_cc_state state;
CHECKPOINT cp, lastcp;
+ int toggleutf;
if(SvROK(ret) || SvRMAGICAL(ret)) {
SV *sv = SvROK(ret) ? SvRV(ret) : ret;
I32 onpar = PL_regnpar;
Zero(&pm, 1, PMOP);
+ if (DO_UTF8(ret)) pm.op_pmdynflags |= PMdf_DYN_UTF8;
re = CALLREGCOMP(aTHX_ t, t + len, &pm);
if (!(SvFLAGS(ret)
& (SVs_TEMP | SVs_PADTMP | SVf_READONLY)))
*PL_reglastcloseparen = 0;
PL_reg_call_cc = &state;
PL_reginput = locinput;
+ toggleutf = ((PL_reg_flags & RF_utf8) != 0) ^
+ ((re->reganch & ROPT_UTF8) != 0);
+ if (toggleutf) PL_reg_flags ^= RF_utf8;
/* XXXX This is too dramatic a measure... */
PL_reg_maxiter = 0;
PL_regcc = state.cc;
PL_reg_re = state.re;
cache_re(PL_reg_re);
+ if (toggleutf) PL_reg_flags ^= RF_utf8;
/* XXXX This is too dramatic a measure... */
PL_reg_maxiter = 0;
PL_regcc = state.cc;
PL_reg_re = state.re;
cache_re(PL_reg_re);
+ if (toggleutf) PL_reg_flags ^= RF_utf8;
/* XXXX This is too dramatic a measure... */
PL_reg_maxiter = 0;
/* If it could work, try it. */
if (c == (UV)c1 || c == (UV)c2)
{
- TRYPAREN(paren, n, PL_reginput);
+ TRYPAREN(paren, ln, PL_reginput);
REGCP_UNWIND(lastcp);
}
}
/* If it could work, try it. */
else if (c1 == -1000)
{
- TRYPAREN(paren, n, PL_reginput);
+ TRYPAREN(paren, ln, PL_reginput);
REGCP_UNWIND(lastcp);
}
/* Couldn't or didn't -- move forward. */
case ANYOF:
if (do_utf8) {
loceol = PL_regeol;
- while (hardcount < max && scan < loceol &&
- reginclass(p, (U8*)scan, 0, do_utf8)) {
+ while (hardcount < max && scan < loceol) {
+ bool cont = FALSE;
+ if (ANYOF_FLAGS(p) & ANYOF_UNICODE) {
+ if (reginclass(p, (U8*)scan, 0, do_utf8))
+ cont = TRUE;
+ }
+ else {
+ U8 c = (U8)scan[0];
+
+ if (UTF8_IS_INVARIANT(c)) {
+ if (ANYOF_BITMAP_TEST(p, c))
+ cont = TRUE;
+ }
+ else {
+ if (reginclass(p, (U8*)scan, 0, do_utf8))
+ cont = TRUE;
+ }
+ }
+ if (!cont)
+ break;
scan += UTF8SKIP(scan);
hardcount++;
}