I32 global;
I32 safebase;
char *truebase;
- register REGEXP *rx = pm->op_pmregexp;
+ register REGEXP *prx = pm->op_pmregexp;
I32 gimme = GIMME;
STRLEN len;
I32 minmatch = 0;
RETPUSHNO;
}
- if (!rx->prelen && curpm) {
+ if (!prx->prelen && curpm) {
pm = curpm;
- rx = pm->op_pmregexp;
+ prx = pm->op_pmregexp;
}
- if (rx->minlen > len) goto failure;
+ if (prx->minlen > len) goto failure;
- screamer = ( (SvSCREAM(TARG) && rx->check_substr
- && SvTYPE(rx->check_substr) == SVt_PVBM
- && SvVALID(rx->check_substr))
+ screamer = ( (SvSCREAM(TARG) && prx->check_substr
+ && SvTYPE(prx->check_substr) == SVt_PVBM
+ && SvVALID(prx->check_substr))
? TARG : Nullsv);
truebase = t = s;
if (global = pm->op_pmflags & PMf_GLOBAL) {
- rx->startp[0] = 0;
+ prx->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;
+ prx->endp[0] = prx->startp[0] = s + mg->mg_len;
minmatch = (mg->mg_flags & MGf_MINMATCH);
update_minmatch = 0;
}
}
}
- if (!rx->nparens && !global)
+ if (!prx->nparens && !global)
gimme = G_SCALAR; /* accidental array context? */
- safebase = (((gimme == G_ARRAY) || global || !rx->nparens)
+ safebase = (((gimme == G_ARRAY) || global || !prx->nparens)
&& !sawampersand);
safebase = safebase ? 0 : REXEC_COPY_STR ;
if (pm->op_pmflags & (PMf_MULTILINE|PMf_SINGLELINE)) {
}
play_it_again:
- if (global && rx->startp[0]) {
- t = s = rx->endp[0];
- if ((s + rx->minlen) > strend)
+ if (global && prx->startp[0]) {
+ t = s = prx->endp[0];
+ if ((s + prx->minlen) > strend)
goto nope;
if (update_minmatch++)
- minmatch = (s == rx->startp[0]);
+ minmatch = (s == prx->startp[0]);
}
- if (rx->check_substr) {
- if (!(rx->reganch & ROPT_NOSCAN)) { /* Floating checkstring. */
+ if (prx->check_substr) {
+ if (!(prx->reganch & ROPT_NOSCAN)) { /* Floating checkstring. */
if ( screamer ) {
I32 p = -1;
- if (screamfirst[BmRARE(rx->check_substr)] < 0)
+ if (screamfirst[BmRARE(prx->check_substr)] < 0)
goto nope;
- else if (!(s = screaminstr(TARG, rx->check_substr,
- rx->check_offset_min, 0, &p, 0)))
+ else if (!(s = screaminstr(TARG, prx->check_substr,
+ prx->check_offset_min, 0, &p, 0)))
goto nope;
- else if ((rx->reganch & ROPT_CHECK_ALL)
- && !sawampersand && !SvTAIL(rx->check_substr))
+ else if ((prx->reganch & ROPT_CHECK_ALL)
+ && !sawampersand && !SvTAIL(prx->check_substr))
goto yup;
}
- else if (!(s = fbm_instr((unsigned char*)s + rx->check_offset_min,
+ else if (!(s = fbm_instr((unsigned char*)s + prx->check_offset_min,
(unsigned char*)strend,
- rx->check_substr)))
+ prx->check_substr)))
goto nope;
- else if ((rx->reganch & ROPT_CHECK_ALL) && !sawampersand)
+ else if ((prx->reganch & ROPT_CHECK_ALL) && !sawampersand)
goto yup;
- if (s && rx->check_offset_max < t - s) {
- ++BmUSEFUL(rx->check_substr);
- s -= rx->check_offset_max;
+ if (s && prx->check_offset_max < t - s) {
+ ++BmUSEFUL(prx->check_substr);
+ s -= prx->check_offset_max;
}
else
s = t;
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)))
+ if (*SvPVX(prx->check_substr) != s[prx->check_offset_min]
+ || ((slen = SvCUR(prx->check_substr)) > 1
+ && memNE(SvPVX(prx->check_substr),
+ s + prx->check_offset_min, slen)))
goto nope;
}
- 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 (!prx->naughty && --BmUSEFUL(prx->check_substr) < 0
+ && prx->check_substr == prx->float_substr) {
+ SvREFCNT_dec(prx->check_substr);
+ prx->check_substr = Nullsv; /* opt is being useless */
+ prx->float_substr = Nullsv;
}
}
- if (regexec_flags(rx, s, strend, truebase, minmatch,
+ if (regexec_flags(prx, s, strend, truebase, minmatch,
screamer, NULL, safebase))
{
curpm = pm;
/*NOTREACHED*/
gotcha:
- TAINT_IF(RX_MATCH_TAINTED(rx));
+ TAINT_IF(RX_MATCH_TAINTED(prx));
if (gimme == G_ARRAY) {
I32 iters, i, len;
- iters = rx->nparens;
+ iters = prx->nparens;
if (global && !iters)
i = 1;
else
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 ((s = prx->startp[i]) && prx->endp[i] ) {
+ len = prx->endp[i] - s;
sv_setpvn(*SP, s, len);
}
}
if (global) {
- truebase = rx->subbeg;
- strend = rx->subend;
- if (rx->startp[0] && rx->startp[0] == rx->endp[0])
- ++rx->endp[0];
+ truebase = prx->subbeg;
+ strend = prx->subend;
+ if (prx->startp[0] && prx->startp[0] == prx->endp[0])
+ ++prx->endp[0];
PUTBACK; /* EVAL blocks may use stack */
goto play_it_again;
}
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] == rx->endp[0])
+ if (prx->startp[0]) {
+ mg->mg_len = prx->endp[0] - prx->subbeg;
+ if (prx->startp[0] == prx->endp[0])
mg->mg_flags |= MGf_MINMATCH;
else
mg->mg_flags &= ~MGf_MINMATCH;
}
yup: /* Confirmed by check_substr */
- TAINT_IF(RX_MATCH_TAINTED(rx));
- ++BmUSEFUL(rx->check_substr);
+ TAINT_IF(RX_MATCH_TAINTED(prx));
+ ++BmUSEFUL(prx->check_substr);
curpm = pm;
if (pm->op_pmflags & PMf_ONCE)
pm->op_pmflags |= PMf_USED;
- Safefree(rx->subbase);
- rx->subbase = Nullch;
+ Safefree(prx->subbase);
+ prx->subbase = Nullch;
if (global) {
- rx->subbeg = truebase;
- rx->subend = strend;
- rx->startp[0] = s;
- rx->endp[0] = s + SvCUR(rx->check_substr);
+ prx->subbeg = truebase;
+ prx->subend = strend;
+ prx->startp[0] = s;
+ prx->endp[0] = s + SvCUR(prx->check_substr);
goto gotcha;
}
if (sawampersand) {
char *tmps;
- 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);
+ tmps = prx->subbase = savepvn(t, strend-t);
+ prx->subbeg = tmps;
+ prx->subend = tmps + (strend-t);
+ tmps = prx->startp[0] = tmps + (s - t);
+ prx->endp[0] = tmps + SvCUR(prx->check_substr);
}
LEAVE_SCOPE(oldsave);
RETPUSHYES;
nope:
- if (rx->check_substr)
- ++BmUSEFUL(rx->check_substr);
+ if (prx->check_substr)
+ ++BmUSEFUL(prx->check_substr);
ret_no:
if (global && !(pm->op_pmflags & PMf_CONTINUE)) {
bool rxtainted;
char *orig;
I32 safebase;
- register REGEXP *rx = pm->op_pmregexp;
+ register REGEXP *prx = pm->op_pmregexp;
STRLEN len;
int force_on_match = 0;
I32 oldsave = savestack_ix;
strend = s + len;
maxiters = (strend - s) + 10;
- if (!rx->prelen && curpm) {
+ if (!prx->prelen && curpm) {
pm = curpm;
- rx = pm->op_pmregexp;
+ prx = pm->op_pmregexp;
}
- screamer = ( (SvSCREAM(TARG) && rx->check_substr
- && SvTYPE(rx->check_substr) == SVt_PVBM
- && SvVALID(rx->check_substr))
+ screamer = ( (SvSCREAM(TARG) && prx->check_substr
+ && SvTYPE(prx->check_substr) == SVt_PVBM
+ && SvVALID(prx->check_substr))
? TARG : Nullsv);
- safebase = (!rx->nparens && !sawampersand) ? 0 : REXEC_COPY_STR;
+ safebase = (!prx->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 (rx->check_substr) {
- if (!(rx->reganch & ROPT_NOSCAN)) { /* It floats. */
+ if (prx->check_substr) {
+ if (!(prx->reganch & ROPT_NOSCAN)) { /* It floats. */
if (screamer) {
I32 p = -1;
- if (screamfirst[BmRARE(rx->check_substr)] < 0)
+ if (screamfirst[BmRARE(prx->check_substr)] < 0)
goto nope;
- else if (!(s = screaminstr(TARG, rx->check_substr, rx->check_offset_min, 0, &p, 0)))
+ else if (!(s = screaminstr(TARG, prx->check_substr, prx->check_offset_min, 0, &p, 0)))
goto nope;
}
- else if (!(s = fbm_instr((unsigned char*)s + rx->check_offset_min,
+ else if (!(s = fbm_instr((unsigned char*)s + prx->check_offset_min,
(unsigned char*)strend,
- rx->check_substr)))
+ prx->check_substr)))
goto nope;
- if (s && rx->check_offset_max < s - m) {
- ++BmUSEFUL(rx->check_substr);
- s -= rx->check_offset_max;
+ if (s && prx->check_offset_max < s - m) {
+ ++BmUSEFUL(prx->check_substr);
+ s -= prx->check_offset_max;
}
else
s = m;
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)))
+ if (*SvPVX(prx->check_substr) != s[prx->check_offset_min]
+ || ((slen = SvCUR(prx->check_substr)) > 1
+ && memNE(SvPVX(prx->check_substr),
+ s + prx->check_offset_min, slen)))
goto nope;
}
- 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 (!prx->naughty && --BmUSEFUL(prx->check_substr) < 0
+ && prx->check_substr == prx->float_substr) {
+ SvREFCNT_dec(prx->check_substr);
+ prx->check_substr = Nullsv; /* opt is being useless */
+ prx->float_substr = Nullsv;
}
}
c = dstr ? SvPV(dstr, clen) : Nullch;
/* can do inplace substitution? */
- 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)) {
+ if (c && clen <= prx->minlen && (once || !(safebase & REXEC_COPY_STR))
+ && !(prx->reganch & ROPT_LOOKBEHIND_SEEN)) {
+ if (!regexec_flags(prx, s, strend, orig, 0, screamer, NULL, safebase)) {
SPAGAIN;
PUSHs(&sv_no);
LEAVE_SCOPE(oldsave);
curpm = pm;
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);
+ rxtainted = RX_MATCH_TAINTED(prx);
+ if (prx->subbase) {
+ m = orig + (prx->startp[0] - prx->subbase);
+ d = orig + (prx->endp[0] - prx->subbase);
} else {
- m = rx->startp[0];
- d = rx->endp[0];
+ m = prx->startp[0];
+ d = prx->endp[0];
}
s = orig;
if (m - s > strend - d) { /* faster to shorten from end */
do {
if (iters++ > maxiters)
DIE("Substitution loop");
- rxtainted |= RX_MATCH_TAINTED(rx);
- m = rx->startp[0];
+ rxtainted |= RX_MATCH_TAINTED(prx);
+ m = prx->startp[0];
/*SUPPRESS 560*/
if (i = m - s) {
if (s != d)
Copy(c, d, clen, char);
d += clen;
}
- s = rx->endp[0];
- } while (regexec_flags(rx, s, strend, orig, s == m,
+ s = prx->endp[0];
+ } while (regexec_flags(prx, s, strend, orig, s == m,
Nullsv, NULL, 0)); /* don't match same null twice */
if (s != d) {
i = strend - s;
RETURN;
}
- if (regexec_flags(rx, s, strend, orig, 0, screamer, NULL, safebase)) {
+ if (regexec_flags(prx, 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_MATCH_TAINTED(rx);
+ rxtainted = RX_MATCH_TAINTED(prx);
dstr = NEWSV(25, len);
sv_setpvn(dstr, m, s-m);
curpm = pm;
do {
if (iters++ > maxiters)
DIE("Substitution loop");
- rxtainted |= RX_MATCH_TAINTED(rx);
- if (rx->subbase && rx->subbase != orig) {
+ rxtainted |= RX_MATCH_TAINTED(prx);
+ if (prx->subbase && prx->subbase != orig) {
m = s;
s = orig;
- orig = rx->subbase;
+ orig = prx->subbase;
s = orig + (m - s);
strend = s + (strend - m);
}
- m = rx->startp[0];
+ m = prx->startp[0];
sv_catpvn(dstr, s, m-s);
- s = rx->endp[0];
+ s = prx->endp[0];
if (clen)
sv_catpvn(dstr, c, clen);
if (once)
break;
- } while (regexec_flags(rx, s, strend, orig, s == m, Nullsv, NULL, safebase));
+ } while (regexec_flags(prx, s, strend, orig, s == m, Nullsv, NULL, safebase));
sv_catpvn(dstr, s, strend - s);
TAINT_IF(rxtainted);
goto ret_no;
nope:
- ++BmUSEFUL(rx->check_substr);
+ ++BmUSEFUL(prx->check_substr);
ret_no:
SPAGAIN;
https://perl5.git.perl.org / perl5.git / blobdiff