# define Perl_re_intuit_start my_re_intuit_start
/* *These* symbols are masked to allow static link. */
# define Perl_pregexec my_pregexec
-# define Perl_reginitcolors my_reginitcolors
+# define Perl_reginitcolors my_reginitcolors
# define Perl_regclass_swash my_regclass_swash
# define PERL_NO_GET_CONTEXT
-#endif
+#endif
/*SUPPRESS 112*/
/*
#define HOPc(pos,off) ((char*)HOP(pos,off))
#define HOPMAYBEc(pos,off) ((char*)HOPMAYBE(pos,off))
+#define HOPBACK(pos, off) ( \
+ (UTF && DO_UTF8(PL_reg_sv)) \
+ ? reghopmaybe((U8*)pos, -off) \
+ : (pos - off >= PL_bostr) \
+ ? (U8*)(pos - off) \
+ : (U8*)NULL \
+)
+#define HOPBACKc(pos, off) (char*)HOPBACK(pos, off)
+
#define reghop3_c(pos,off,lim) ((char*)reghop3((U8*)pos, off, (U8*)lim))
#define reghopmaybe3_c(pos,off,lim) ((char*)reghopmaybe3((U8*)pos, off, (U8*)lim))
#define HOP3(pos,off,lim) (DO_UTF8(PL_reg_sv) ? reghop3((U8*)pos, off, (U8*)lim) : (U8*)(pos + off))
#define HOP3c(pos,off,lim) ((char*)HOP3(pos,off,lim))
#define HOPMAYBE3c(pos,off,lim) ((char*)HOPMAYBE3(pos,off,lim))
-static void restore_pos(pTHXo_ void *arg);
+#define LOAD_UTF8_CHARCLASS(a,b) STMT_START { if (!CAT2(PL_utf8_,a)) (void)CAT2(is_utf8_, a)((U8*)b); } STMT_END
+static void restore_pos(pTHXo_ void *arg);
STATIC CHECKPOINT
S_regcppush(pTHX_ I32 parenfloor)
int paren_elems_to_push = (PL_regsize - parenfloor) * REGCP_PAREN_ELEMS;
int p;
-#define REGCP_OTHER_ELEMS 5
+ if (paren_elems_to_push < 0)
+ Perl_croak(aTHX_ "panic: paren_elems_to_push < 0");
+
+#define REGCP_OTHER_ELEMS 6
SSCHECK(paren_elems_to_push + REGCP_OTHER_ELEMS);
for (p = PL_regsize; p > parenfloor; p--) {
/* REGCP_PARENS_ELEMS are pushed per pairs of parentheses. */
/* REGCP_OTHER_ELEMS are pushed in any case, parentheses or no. */
SSPUSHINT(PL_regsize);
SSPUSHINT(*PL_reglastparen);
+ SSPUSHINT(*PL_reglastcloseparen);
SSPUSHPTR(PL_reginput);
#define REGCP_FRAME_ELEMS 2
/* REGCP_FRAME_ELEMS are part of the REGCP_OTHER_ELEMS and
assert(i == SAVEt_REGCONTEXT); /* Check that the magic cookie is there. */
i = SSPOPINT; /* Parentheses elements to pop. */
input = (char *) SSPOPPTR;
+ *PL_reglastcloseparen = SSPOPINT;
*PL_reglastparen = SSPOPINT;
PL_regsize = SSPOPINT;
DEBUG_r(
PerlIO_printf(Perl_debug_log,
" restoring \\%"UVuf" to %"IVdf"(%"IVdf")..%"IVdf"%s\n",
- (UV)paren, (IV)PL_regstartp[paren],
+ (UV)paren, (IV)PL_regstartp[paren],
(IV)(PL_reg_start_tmp[paren] - PL_bostr),
- (IV)PL_regendp[paren],
+ (IV)PL_regendp[paren],
(paren > *PL_reglastparen ? "(no)" : ""));
);
}
/* nosave: For optimizations. */
{
return
- regexec_flags(prog, stringarg, strend, strbeg, minend, screamer, NULL,
+ regexec_flags(prog, stringarg, strend, strbeg, minend, screamer, NULL,
nosave ? 0 : REXEC_COPY_STR);
}
PL_regprogram = prog->program;
#endif
PL_regnpar = prog->nparens;
- PL_regdata = prog->data;
- PL_reg_re = prog;
+ PL_regdata = prog->data;
+ PL_reg_re = prog;
}
-/*
+/*
* Need to implement the following flags for reg_anch:
*
* USE_INTUIT_NOML - Useful to call re_intuit_start() first
Perl_re_intuit_start(pTHX_ regexp *prog, SV *sv, char *strpos,
char *strend, U32 flags, re_scream_pos_data *data)
{
- register I32 start_shift;
+ register I32 start_shift = 0;
/* Should be nonnegative! */
- register I32 end_shift;
+ register I32 end_shift = 0;
register char *s;
register SV *check;
char *strbeg;
char *t;
I32 ml_anch;
- char *tmp;
register char *other_last = Nullch; /* other substr checked before this */
- char *check_at; /* check substr found at this pos */
+ char *check_at = Nullch; /* check substr found at this pos */
#ifdef DEBUGGING
char *i_strpos = strpos;
#endif
&& !PL_multiline ) ); /* Check after \n? */
if (!ml_anch) {
- if ( !(prog->reganch & ROPT_ANCH_GPOS) /* Checked by the caller */
+ if ( !(prog->reganch & (ROPT_ANCH_GPOS /* Checked by the caller */
+ | ROPT_IMPLICIT)) /* not a real BOL */
/* SvCUR is not set on references: SvRV and SvPVX overlap */
&& sv && !SvROK(sv)
&& (strpos != strbeg)) {
if (SvTAIL(check)) {
slen = SvCUR(check); /* >= 1 */
- if ( strend - s > slen || strend - s < slen - 1
+ if ( strend - s > slen || strend - s < slen - 1
|| (strend - s == slen && strend[-1] != '\n')) {
DEBUG_r(PerlIO_printf(Perl_debug_log, "String too long...\n"));
goto fail_finish;
|| ( BmRARE(check) == '\n'
&& (BmPREVIOUS(check) == SvCUR(check) - 1)
&& SvTAIL(check) ))
- s = screaminstr(sv, check,
+ s = screaminstr(sv, check,
start_shift + (s - strbeg), end_shift, pp, 0);
else
goto fail_finish;
Thus we can arrive here only if check substr
is float. Redo checking for "other"=="fixed".
*/
- strpos = t + 1;
+ strpos = t + 1;
DEBUG_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m at offset %ld, rescanning for anchored from offset %ld...\n",
PL_colors[0],PL_colors[1], (long)(strpos - i_strpos), (long)(strpos - i_strpos + prog->anchored_offset)));
goto do_other_anchored;
s = find_byclass(prog, prog->regstclass, s, endpos, startpos, 1);
if (!s) {
#ifdef DEBUGGING
- char *what;
+ char *what = 0;
#endif
if (endpos == strend) {
DEBUG_r( PerlIO_printf(Perl_debug_log,
if (t + start_shift >= check_at) /* Contradicts floating=check */
goto retry_floating_check;
/* Recheck anchored substring, but not floating... */
- s = check_at;
+ s = check_at;
if (!check)
goto giveup;
DEBUG_r( PerlIO_printf(Perl_debug_log,
DEBUG_r( what = "floating" );
goto hop_and_restart;
}
- DEBUG_r( if (t != s)
- PerlIO_printf(Perl_debug_log,
+ if (t != s) {
+ DEBUG_r(PerlIO_printf(Perl_debug_log,
"By STCLASS: moving %ld --> %ld\n",
- (long)(t - i_strpos), (long)(s - i_strpos));
- else
- PerlIO_printf(Perl_debug_log,
- "Does not contradict STCLASS...\n") );
+ (long)(t - i_strpos), (long)(s - i_strpos))
+ );
+ }
+ else {
+ DEBUG_r(PerlIO_printf(Perl_debug_log,
+ "Does not contradict STCLASS...\n");
+ );
+ }
}
giveup:
DEBUG_r(PerlIO_printf(Perl_debug_log, "%s%s:%s match at offset %ld\n",
STRLEN len;
if (c1 == c2)
while (s <= e) {
- if ( utf8_to_uv_simple((U8*)s, &len) == c1
+ if ( utf8_to_uvchr((U8*)s, &len) == c1
&& regtry(prog, s) )
goto got_it;
s += len;
}
else
while (s <= e) {
- UV c = utf8_to_uv_simple((U8*)s, &len);
+ UV c = utf8_to_uvchr((U8*)s, &len);
if ( (c == c1 || c == c2) && regtry(prog, s) )
goto got_it;
s += len;
/* FALL THROUGH */
case BOUND:
if (do_utf8) {
- if (s == startpos)
+ if (s == PL_bostr)
tmp = '\n';
else {
U8 *r = reghop3((U8*)s, -1, (U8*)startpos);
-
- tmp = (I32)utf8_to_uv(r, s - (char*)r, 0, 0);
+
+ if (s > (char*)r)
+ tmp = (I32)utf8n_to_uvchr(r, s - (char*)r, 0, 0);
}
tmp = ((OP(c) == BOUND ?
- isALNUM_uni(tmp) : isALNUM_LC_uni(tmp)) != 0);
+ isALNUM_uni(tmp) : isALNUM_LC_uvchr(UNI_TO_NATIVE(tmp))) != 0);
+ LOAD_UTF8_CHARCLASS(alnum,"a");
while (s < strend) {
if (tmp == !(OP(c) == BOUND ?
- swash_fetch(PL_utf8_alnum, (U8*)s) :
+ swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8) :
isALNUM_LC_utf8((U8*)s)))
{
tmp = !tmp;
}
}
else {
- tmp = (s != startpos) ? UCHARAT(s - 1) : '\n';
+ tmp = (s != PL_bostr) ? UCHARAT(s - 1) : '\n';
tmp = ((OP(c) == BOUND ? isALNUM(tmp) : isALNUM_LC(tmp)) != 0);
while (s < strend) {
if (tmp ==
/* FALL THROUGH */
case NBOUND:
if (do_utf8) {
- if (s == startpos)
+ if (s == PL_bostr)
tmp = '\n';
else {
U8 *r = reghop3((U8*)s, -1, (U8*)startpos);
-
- tmp = (I32)utf8_to_uv(r, s - (char*)r, 0, 0);
+
+ if (s > (char*)r)
+ tmp = (I32)utf8n_to_uvchr(r, s - (char*)r, 0, 0);
}
tmp = ((OP(c) == NBOUND ?
- isALNUM_uni(tmp) : isALNUM_LC_uni(tmp)) != 0);
+ isALNUM_uni(tmp) : isALNUM_LC_uvchr(UNI_TO_NATIVE(tmp))) != 0);
+ LOAD_UTF8_CHARCLASS(alnum,"a");
while (s < strend) {
if (tmp == !(OP(c) == NBOUND ?
- swash_fetch(PL_utf8_alnum, (U8*)s) :
+ swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8) :
isALNUM_LC_utf8((U8*)s)))
tmp = !tmp;
else if ((norun || regtry(prog, s)))
}
}
else {
- tmp = (s != startpos) ? UCHARAT(s - 1) : '\n';
+ tmp = (s != PL_bostr) ? UCHARAT(s - 1) : '\n';
tmp = ((OP(c) == NBOUND ?
isALNUM(tmp) : isALNUM_LC(tmp)) != 0);
while (s < strend) {
break;
case ALNUM:
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(alnum,"a");
while (s < strend) {
- if (swash_fetch(PL_utf8_alnum, (U8*)s)) {
+ if (swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
break;
case NALNUM:
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(alnum,"a");
while (s < strend) {
- if (!swash_fetch(PL_utf8_alnum, (U8*)s)) {
+ if (!swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
break;
case SPACE:
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(space," ");
while (s < strend) {
- if (*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s)) {
+ if (*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
break;
case NSPACE:
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(space," ");
while (s < strend) {
- if (!(*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s))) {
+ if (!(*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s, do_utf8))) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
break;
case DIGIT:
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(digit,"0");
while (s < strend) {
- if (swash_fetch(PL_utf8_digit,(U8*)s)) {
+ if (swash_fetch(PL_utf8_digit,(U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
break;
case NDIGIT:
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(digit,"0");
while (s < strend) {
- if (!swash_fetch(PL_utf8_digit,(U8*)s)) {
+ if (!swash_fetch(PL_utf8_digit,(U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
goto got_it;
else
cache_re(prog);
#ifdef DEBUGGING
- PL_regnarrate = PL_debug & 512;
+ PL_regnarrate = DEBUG_r_TEST;
#endif
/* Be paranoid... */
if (strend - startpos < minlen) goto phooey;
}
- if (startpos == strbeg) /* is ^ valid at stringarg? */
- PL_regprev = '\n';
- else {
- if (prog->reganch & ROPT_UTF8 && do_utf8) {
- U8 *s = reghop3((U8*)stringarg, -1, (U8*)strbeg);
- PL_regprev = utf8_to_uv(s, (U8*)stringarg - s, NULL, 0);
- }
- else
- PL_regprev = (U32)stringarg[-1];
- if (!PL_multiline && PL_regprev == '\n')
- PL_regprev = '\0'; /* force ^ to NOT match */
- }
-
/* Check validity of program. */
if (UCHARAT(prog->program) != REG_MAGIC) {
Perl_croak(aTHX_ "corrupted regexp program");
PL_reg_ganch = startpos;
else if (sv && SvTYPE(sv) >= SVt_PVMG
&& SvMAGIC(sv)
- && (mg = mg_find(sv, 'g')) && mg->mg_len >= 0) {
+ && (mg = mg_find(sv, PERL_MAGIC_regex_global))
+ && mg->mg_len >= 0) {
PL_reg_ganch = strbeg + mg->mg_len; /* Defined pos() */
if (prog->reganch & ROPT_ANCH_GPOS) {
if (s > PL_reg_ganch)
}
/* Messy cases: unanchored match. */
- if (prog->anchored_substr && prog->reganch & ROPT_SKIP) {
+ if (prog->anchored_substr && prog->reganch & ROPT_SKIP) {
/* we have /x+whatever/ */
/* it must be a one character string (XXXX Except UTF?) */
char ch = SvPVX(prog->anchored_substr)[0];
s++;
}
}
- DEBUG_r(did_match ||
+ DEBUG_r(if (!did_match)
PerlIO_printf(Perl_debug_log,
- "Did not find anchored character...\n"));
+ "Did not find anchored character...\n")
+ );
}
/*SUPPRESS 560*/
else if (do_utf8 == (UTF!=0) &&
(prog->anchored_substr != Nullsv
- || (prog->float_substr != Nullsv
+ || (prog->float_substr != Nullsv
&& prog->float_max_offset < strend - s))) {
- SV *must = prog->anchored_substr
+ SV *must = prog->anchored_substr
? prog->anchored_substr : prog->float_substr;
- I32 back_max =
+ I32 back_max =
prog->anchored_substr ? prog->anchored_offset : prog->float_max_offset;
- I32 back_min =
+ I32 back_min =
prog->anchored_substr ? prog->anchored_offset : prog->float_min_offset;
char *last = HOP3c(strend, /* Cannot start after this */
-(I32)(CHR_SVLEN(must)
dontbother = end_shift;
strend = HOPc(strend, -dontbother);
while ( (s <= last) &&
- ((flags & REXEC_SCREAM)
+ ((flags & REXEC_SCREAM)
? (s = screaminstr(sv, must, HOP3c(s, back_min, strend) - strbeg,
end_shift, &scream_pos, 0))
: (s = fbm_instr((unsigned char*)HOP3(s, back_min, strend),
- (unsigned char*)strend, must,
+ (unsigned char*)strend, must,
PL_multiline ? FBMrf_MULTILINE : 0))) ) {
DEBUG_r( did_match = 1 );
if (HOPc(s, -back_max) > last1) {
}
}
}
- DEBUG_r(did_match ||
- PerlIO_printf(Perl_debug_log, "Did not find %s substr `%s%.*s%s'%s...\n",
+ DEBUG_r(if (!did_match)
+ PerlIO_printf(Perl_debug_log,
+ "Did not find %s substr `%s%.*s%s'%s...\n",
((must == prog->anchored_substr)
? "anchored" : "floating"),
PL_colors[0],
(int)(SvCUR(must) - (SvTAIL(must)!=0)),
SvPVX(must),
- PL_colors[1], (SvTAIL(must) ? "$" : "")));
+ PL_colors[1], (SvTAIL(must) ? "$" : ""))
+ );
goto phooey;
}
else if ((c = prog->regstclass)) {
if (memEQ(strend - len + 1, little, len - 1))
last = strend - len + 1;
else if (!PL_multiline)
- last = memEQ(strend - len, little, len)
+ last = memEQ(strend - len, little, len)
? strend - len : Nullch;
else
goto find_last;
} else {
find_last:
- if (len)
+ if (len)
last = rninstr(s, strend, little, little + len);
else
last = strend; /* matching `$' */
prog->sublen = PL_regeol - strbeg; /* strend may have been modified */
}
}
-
+
return 1;
phooey:
DEFSV = PL_reg_sv;
}
- if (!(SvTYPE(PL_reg_sv) >= SVt_PVMG && SvMAGIC(PL_reg_sv)
- && (mg = mg_find(PL_reg_sv, 'g')))) {
+ if (!(SvTYPE(PL_reg_sv) >= SVt_PVMG && SvMAGIC(PL_reg_sv)
+ && (mg = mg_find(PL_reg_sv, PERL_MAGIC_regex_global)))) {
/* prepare for quick setting of pos */
- sv_magic(PL_reg_sv, (SV*)0, 'g', Nullch, 0);
- mg = mg_find(PL_reg_sv, 'g');
+ sv_magic(PL_reg_sv, (SV*)0,
+ PERL_MAGIC_regex_global, Nullch, 0);
+ mg = mg_find(PL_reg_sv, PERL_MAGIC_regex_global);
mg->mg_len = -1;
}
PL_reg_magic = mg;
PL_reg_oldpos = mg->mg_len;
SAVEDESTRUCTOR_X(restore_pos, 0);
}
- if (!PL_reg_curpm)
+ if (!PL_reg_curpm) {
Newz(22,PL_reg_curpm, 1, PMOP);
- PL_reg_curpm->op_pmregexp = prog;
+#ifdef USE_ITHREADS
+ {
+ SV* repointer = newSViv(0);
+ av_push(PL_regex_padav,repointer);
+ PL_reg_curpm->op_pmoffset = av_len(PL_regex_padav);
+ PL_regex_pad = AvARRAY(PL_regex_padav);
+ }
+#endif
+ }
+ PM_SETRE(PL_reg_curpm, prog);
PL_reg_oldcurpm = PL_curpm;
PL_curpm = PL_reg_curpm;
if (RX_MATCH_COPIED(prog)) {
PL_regstartp = prog->startp;
PL_regendp = prog->endp;
PL_reglastparen = &prog->lastparen;
+ PL_reglastcloseparen = &prog->lastcloseparen;
prog->lastparen = 0;
PL_regsize = 0;
DEBUG_r(PL_reg_starttry = startpos);
re_unwind_branch_t branch;
} re_unwind_t;
+#define sayYES goto yes
+#define sayNO goto no
+#define sayYES_FINAL goto yes_final
+#define sayYES_LOUD goto yes_loud
+#define sayNO_FINAL goto no_final
+#define sayNO_SILENT goto do_no
+#define saySAME(x) if (x) goto yes; else goto no
+
+#define REPORT_CODE_OFF 24
+
/*
- regmatch - main matching routine
*
register I32 nextchr; /* renamed nextchr - nextchar colides with
function of same name */
register I32 n; /* no or next */
- register I32 ln; /* len or last */
- register char *s; /* operand or save */
+ register I32 ln = 0; /* len or last */
+ register char *s = Nullch; /* operand or save */
register char *locinput = PL_reginput;
- register I32 c1, c2, paren; /* case fold search, parenth */
+ register I32 c1 = 0, c2 = 0, paren; /* case fold search, parenth */
int minmod = 0, sw = 0, logical = 0;
I32 unwind = 0;
+#if 0
I32 firstcp = PL_savestack_ix;
+#endif
register bool do_utf8 = DO_UTF8(PL_reg_sv);
#ifdef DEBUGGING
nextchr = UCHARAT(locinput);
scan = prog;
while (scan != NULL) {
-#define sayNO_L (logical ? (logical = 0, sw = 0, goto cont) : sayNO)
-#if 1
-# define sayYES goto yes
-# define sayNO goto no
-# define sayYES_FINAL goto yes_final
-# define sayYES_LOUD goto yes_loud
-# define sayNO_FINAL goto no_final
-# define sayNO_SILENT goto do_no
-# define saySAME(x) if (x) goto yes; else goto no
-# define REPORT_CODE_OFF 24
-#else
-# define sayYES return 1
-# define sayNO return 0
-# define sayYES_FINAL return 1
-# define sayYES_LOUD return 1
-# define sayNO_FINAL return 0
-# define sayNO_SILENT return 0
-# define saySAME(x) return x
-#endif
+
DEBUG_r( {
SV *prop = sv_newmortal();
int docolor = *PL_colors[0];
after the current position the third one.
We assume that pref0_len <= pref_len, otherwise we
decrease pref0_len. */
- int pref_len = (locinput - PL_bostr) > (5 + taill) - l
+ int pref_len = (locinput - PL_bostr) > (5 + taill) - l
? (5 + taill) - l : locinput - PL_bostr;
int pref0_len;
pref_len++;
pref0_len = pref_len - (locinput - PL_reg_starttry);
if (l + pref_len < (5 + taill) && l < PL_regeol - locinput)
- l = ( PL_regeol - locinput > (5 + taill) - pref_len
+ l = ( PL_regeol - locinput > (5 + taill) - pref_len
? (5 + taill) - pref_len : PL_regeol - locinput);
while (UTF8_IS_CONTINUATION(*(U8*)(locinput + l)))
l--;
if (pref0_len > pref_len)
pref0_len = pref_len;
regprop(prop, scan);
- PerlIO_printf(Perl_debug_log,
+ PerlIO_printf(Perl_debug_log,
"%4"IVdf" <%s%.*s%s%s%.*s%s%s%s%.*s%s>%*s|%3"IVdf":%*s%s\n",
- (IV)(locinput - PL_bostr),
- PL_colors[4], pref0_len,
+ (IV)(locinput - PL_bostr),
+ PL_colors[4], pref0_len,
locinput - pref_len, PL_colors[5],
- PL_colors[2], pref_len - pref0_len,
+ PL_colors[2], pref_len - pref0_len,
locinput - pref_len + pref0_len, PL_colors[3],
(docolor ? "" : "> <"),
PL_colors[0], l, locinput, PL_colors[1],
switch (OP(scan)) {
case BOL:
- if (locinput == PL_bostr
- ? PL_regprev == '\n'
- : (PL_multiline &&
- (nextchr || locinput < PL_regeol) && locinput[-1] == '\n') )
+ if (locinput == PL_bostr || (PL_multiline &&
+ (nextchr || locinput < PL_regeol) && locinput[-1] == '\n') )
{
/* regtill = regbol; */
break;
}
sayNO;
case MBOL:
- if (locinput == PL_bostr
- ? PL_regprev == '\n'
- : ((nextchr || locinput < PL_regeol) && locinput[-1] == '\n') )
+ if (locinput == PL_bostr ||
+ ((nextchr || locinput < PL_regeol) && locinput[-1] == '\n'))
{
break;
}
while (s < e) {
if (l >= PL_regeol)
sayNO;
- if (*((U8*)s) != utf8_to_uv_simple((U8*)l, &len))
+ if (*((U8*)s) != utf8_to_uvchr((U8*)l, &len))
sayNO;
s++;
l += len;
while (s < e) {
if (l >= PL_regeol)
sayNO;
- if (*((U8*)l) != utf8_to_uv_simple((U8*)s, &len))
+ if (*((U8*)l) != utf8_to_uvchr((U8*)s, &len))
sayNO;
s += len;
l++;
if (l >= PL_regeol) {
sayNO;
}
- if ((UTF ? utf8_to_uv((U8*)s, e - s, 0, 0) : *((U8*)s)) !=
+ if ((UTF ? utf8n_to_uvchr((U8*)s, e - s, 0, 0) : *((U8*)s)) !=
(c1 ? toLOWER_utf8((U8*)l) : toLOWER_LC_utf8((U8*)l)))
sayNO;
s += UTF ? UTF8SKIP(s) : 1;
if (!nextchr)
sayNO;
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(alnum,"a");
if (!(OP(scan) == ALNUM
- ? swash_fetch(PL_utf8_alnum, (U8*)locinput)
+ ? swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8)
: isALNUM_LC_utf8((U8*)locinput)))
{
sayNO;
if (!nextchr && locinput >= PL_regeol)
sayNO;
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(alnum,"a");
if (OP(scan) == NALNUM
- ? swash_fetch(PL_utf8_alnum, (U8*)locinput)
+ ? swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8)
: isALNUM_LC_utf8((U8*)locinput))
{
sayNO;
case NBOUND:
/* was last char in word? */
if (do_utf8) {
- if (locinput == PL_regbol)
- ln = PL_regprev;
+ if (locinput == PL_bostr)
+ ln = '\n';
else {
U8 *r = reghop((U8*)locinput, -1);
-
- ln = utf8_to_uv(r, s - (char*)r, 0, 0);
+
+ ln = utf8n_to_uvchr(r, s - (char*)r, 0, 0);
}
if (OP(scan) == BOUND || OP(scan) == NBOUND) {
ln = isALNUM_uni(ln);
- n = swash_fetch(PL_utf8_alnum, (U8*)locinput);
+ LOAD_UTF8_CHARCLASS(alnum,"a");
+ n = swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8);
}
else {
- ln = isALNUM_LC_uni(ln);
+ ln = isALNUM_LC_uvchr(UNI_TO_NATIVE(ln));
n = isALNUM_LC_utf8((U8*)locinput);
}
}
else {
- ln = (locinput != PL_regbol) ?
- UCHARAT(locinput - 1) : PL_regprev;
+ ln = (locinput != PL_bostr) ?
+ UCHARAT(locinput - 1) : '\n';
if (OP(scan) == BOUND || OP(scan) == NBOUND) {
ln = isALNUM(ln);
n = isALNUM(nextchr);
sayNO;
if (do_utf8) {
if (UTF8_IS_CONTINUED(nextchr)) {
+ LOAD_UTF8_CHARCLASS(space," ");
if (!(OP(scan) == SPACE
- ? swash_fetch(PL_utf8_space, (U8*)locinput)
+ ? swash_fetch(PL_utf8_space, (U8*)locinput, do_utf8)
: isSPACE_LC_utf8((U8*)locinput)))
{
sayNO;
if (!nextchr && locinput >= PL_regeol)
sayNO;
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(space," ");
if (OP(scan) == NSPACE
- ? swash_fetch(PL_utf8_space, (U8*)locinput)
+ ? swash_fetch(PL_utf8_space, (U8*)locinput, do_utf8)
: isSPACE_LC_utf8((U8*)locinput))
{
sayNO;
if (!nextchr)
sayNO;
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(digit,"0");
if (!(OP(scan) == DIGIT
- ? swash_fetch(PL_utf8_digit, (U8*)locinput)
+ ? swash_fetch(PL_utf8_digit, (U8*)locinput, do_utf8)
: isDIGIT_LC_utf8((U8*)locinput)))
{
sayNO;
if (!nextchr && locinput >= PL_regeol)
sayNO;
if (do_utf8) {
+ LOAD_UTF8_CHARCLASS(digit,"0");
if (OP(scan) == NDIGIT
- ? swash_fetch(PL_utf8_digit, (U8*)locinput)
+ ? swash_fetch(PL_utf8_digit, (U8*)locinput, do_utf8)
: isDIGIT_LC_utf8((U8*)locinput))
{
sayNO;
nextchr = UCHARAT(++locinput);
break;
case CLUMP:
- if (locinput >= PL_regeol || swash_fetch(PL_utf8_mark,(U8*)locinput))
+ LOAD_UTF8_CHARCLASS(mark,"~");
+ if (locinput >= PL_regeol ||
+ swash_fetch(PL_utf8_mark,(U8*)locinput, do_utf8))
sayNO;
locinput += PL_utf8skip[nextchr];
- while (locinput < PL_regeol && swash_fetch(PL_utf8_mark,(U8*)locinput))
+ while (locinput < PL_regeol &&
+ swash_fetch(PL_utf8_mark,(U8*)locinput, do_utf8))
locinput += UTF8SKIP(locinput);
if (locinput > PL_regeol)
sayNO;
COP *ocurcop = PL_curcop;
SV **ocurpad = PL_curpad;
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)) );
SPAGAIN;
ret = POPs;
PUTBACK;
-
+
PL_op = oop;
PL_curpad = ocurpad;
PL_curcop = ocurcop;
SV *sv = SvROK(ret) ? SvRV(ret) : ret;
if(SvMAGICAL(sv))
- mg = mg_find(sv, 'r');
+ mg = mg_find(sv, PERL_MAGIC_qr);
}
if (mg) {
re = (regexp *)mg->mg_obj;
I32 osize = PL_regsize;
I32 onpar = PL_regnpar;
- pm.op_pmflags = 0;
+ Zero(&pm, 1, PMOP);
re = CALLREGCOMP(aTHX_ t, t + len, &pm);
- if (!(SvFLAGS(ret)
+ if (!(SvFLAGS(ret)
& (SVs_TEMP | SVs_PADTMP | SVf_READONLY)))
- sv_magic(ret,(SV*)ReREFCNT_inc(re),'r',0,0);
+ sv_magic(ret,(SV*)ReREFCNT_inc(re),
+ PERL_MAGIC_qr,0,0);
PL_regprecomp = oprecomp;
PL_regsize = osize;
PL_regnpar = onpar;
}
DEBUG_r(
- PerlIO_printf(Perl_debug_log,
+ PerlIO_printf(Perl_debug_log,
"Entering embedded `%s%.60s%s%s'\n",
PL_colors[0],
re->precomp,
state.re = PL_reg_re;
PL_regcc = 0;
-
+
cp = regcppush(0); /* Save *all* the positions. */
REGCP_SET(lastcp);
cache_re(re);
state.ss = PL_savestack_ix;
*PL_reglastparen = 0;
+ *PL_reglastcloseparen = 0;
PL_reg_call_cc = &state;
PL_reginput = locinput;
PL_regendp[n] = locinput - PL_bostr;
if (n > *PL_reglastparen)
*PL_reglastparen = n;
+ *PL_reglastcloseparen = n;
break;
case GROUPP:
n = ARG(scan); /* which paren pair */
1) After matching X, regnode for CURLYX is processed;
- 2) This regnode creates infoblock on the stack, and calls
+ 2) This regnode creates infoblock on the stack, and calls
regmatch() recursively with the starting point at WHILEM node;
3) Each hit of WHILEM node tries to match A and Z (in the order
and whatever it mentions via ->next, and additional attached trees
corresponding to temporarily unset infoblocks as in "5" above.
- In the following picture infoblocks for outer loop of
+ In the following picture infoblocks for outer loop of
(Y(A)*?Z)*?T are denoted O, for inner I. NULL starting block
is denoted by x. The matched string is YAAZYAZT. Temporarily postponed
infoblocks are drawn below the "reset" infoblock.
PL_reginput = locinput;
DEBUG_r(
- PerlIO_printf(Perl_debug_log,
- "%*s %ld out of %ld..%ld cc=%lx\n",
+ PerlIO_printf(Perl_debug_log,
+ "%*s %ld out of %ld..%ld cc=%lx\n",
REPORT_CODE_OFF+PL_regindent*2, "",
- (long)n, (long)cc->min,
+ (long)n, (long)cc->min,
(long)cc->max, (long)cc)
);
PL_regcc = cc;
if (n >= cc->max) { /* Maximum greed exceeded? */
- if (ckWARN(WARN_REGEXP) && n >= REG_INFTY
+ if (ckWARN(WARN_REGEXP) && n >= REG_INFTY
&& !(PL_reg_flags & RF_warned)) {
PL_reg_flags |= RF_warned;
Perl_warner(aTHX_ WARN_REGEXP, "%s limit (%d) exceeded",
REPORT_CODE_OFF+PL_regindent*2, "")
);
}
- if (ckWARN(WARN_REGEXP) && n >= REG_INFTY
+ if (ckWARN(WARN_REGEXP) && n >= REG_INFTY
&& !(PL_reg_flags & RF_warned)) {
PL_reg_flags |= RF_warned;
Perl_warner(aTHX_ WARN_REGEXP, "%s limit (%d) exceeded",
sayNO;
}
/* NOT REACHED */
- case BRANCHJ:
+ case BRANCHJ:
next = scan + ARG(scan);
if (next == scan)
next = NULL;
inner = NEXTOPER(NEXTOPER(scan));
goto do_branch;
- case BRANCH:
+ case BRANCH:
inner = NEXTOPER(scan);
do_branch:
{
- CHECKPOINT lastcp;
c1 = OP(scan);
if (OP(next) != c1) /* No choice. */
next = inner; /* Avoid recursion. */
{
I32 l = 0;
CHECKPOINT lastcp;
-
+
/* We suppose that the next guy does not need
backtracking: in particular, it is of constant length,
and has no parenths to influence future backrefs. */
c2 = to_utf8_upper(s);
}
else {
- c2 = c1 = utf8_to_uv_simple(s, NULL);
+ c2 = c1 = utf8_to_uvchr(s, NULL);
}
}
}
while (locinput <= e && *locinput != c1)
locinput++;
} else {
- while (locinput <= e
+ while (locinput <= e
&& *locinput != c1
&& *locinput != c2)
locinput++;
if (c1 == c2) {
for (count = 0;
locinput <= e &&
- utf8_to_uv_simple((U8*)locinput, &len) != c1;
+ utf8_to_uvchr((U8*)locinput, &len) != c1;
count++)
locinput += len;
} else {
for (count = 0; locinput <= e; count++) {
- UV c = utf8_to_uv_simple((U8*)locinput, &len);
+ UV c = utf8_to_uvchr((U8*)locinput, &len);
if (c == c1 || c == c2)
break;
- locinput += len;
+ locinput += len;
}
}
}
- if (locinput > e)
+ if (locinput > e)
sayNO;
/* PL_reginput == old now */
if (locinput != old) {
UV c;
if (c1 != -1000) {
if (do_utf8)
- c = utf8_to_uv_simple((U8*)PL_reginput, NULL);
+ c = utf8_to_uvchr((U8*)PL_reginput, NULL);
else
- c = UCHARAT(PL_reginput);
+ c = UCHARAT(PL_reginput);
+ /* If it could work, try it. */
+ if (c == c1 || c == c2)
+ {
+ TRYPAREN(paren, n, PL_reginput);
+ REGCP_UNWIND(lastcp);
+ }
}
/* If it could work, try it. */
- if (c1 == -1000 || c == c1 || c == c2)
+ else if (c1 == -1000)
{
TRYPAREN(paren, n, PL_reginput);
REGCP_UNWIND(lastcp);
}
REGCP_SET(lastcp);
if (paren) {
- UV c;
+ UV c = 0;
while (n >= ln) {
if (c1 != -1000) {
if (do_utf8)
- c = utf8_to_uv_simple((U8*)PL_reginput, NULL);
+ c = utf8_to_uvchr((U8*)PL_reginput, NULL);
else
- c = UCHARAT(PL_reginput);
+ c = UCHARAT(PL_reginput);
}
/* If it could work, try it. */
if (c1 == -1000 || c == c1 || c == c2)
}
}
else {
- UV c;
+ UV c = 0;
while (n >= ln) {
if (c1 != -1000) {
if (do_utf8)
- c = utf8_to_uv_simple((U8*)PL_reginput, NULL);
+ c = utf8_to_uvchr((U8*)PL_reginput, NULL);
else
- c = UCHARAT(PL_reginput);
+ c = UCHARAT(PL_reginput);
}
/* If it could work, try it. */
if (c1 == -1000 || c == c1 || c == c2)
case SUSPEND:
n = 1;
PL_reginput = locinput;
- goto do_ifmatch;
+ goto do_ifmatch;
case UNLESSM:
n = 0;
if (scan->flags) {
- if (UTF) { /* XXXX This is absolutely
- broken, we read before
- start of string. */
- s = HOPMAYBEc(locinput, -scan->flags);
- if (!s)
- goto say_yes;
- PL_reginput = s;
- }
- else {
- if (locinput < PL_bostr + scan->flags)
- goto say_yes;
- PL_reginput = locinput - scan->flags;
- goto do_ifmatch;
- }
+ s = HOPBACKc(locinput, scan->flags);
+ if (!s)
+ goto say_yes;
+ PL_reginput = s;
}
else
PL_reginput = locinput;
case IFMATCH:
n = 1;
if (scan->flags) {
- if (UTF) { /* XXXX This is absolutely
- broken, we read before
- start of string. */
- s = HOPMAYBEc(locinput, -scan->flags);
- if (!s || s < PL_bostr)
- goto say_no;
- PL_reginput = s;
- }
- else {
- if (locinput < PL_bostr + scan->flags)
- goto say_no;
- PL_reginput = locinput - scan->flags;
- goto do_ifmatch;
- }
+ s = HOPBACKc(locinput, scan->flags);
+ if (!s)
+ goto say_no;
+ PL_reginput = s;
}
else
PL_reginput = locinput;
{
re_unwind_branch_t *uwb = &(uw->branch);
I32 lastparen = uwb->lastparen;
-
+
REGCP_UNWIND(uwb->lastcp);
for (n = *PL_reglastparen; n > lastparen; n--)
PL_regendp[n] = -1;
*PL_reglastparen = n;
scan = next = uwb->next;
- if ( !scan ||
- OP(scan) != (uwb->type == RE_UNWIND_BRANCH
+ if ( !scan ||
+ OP(scan) != (uwb->type == RE_UNWIND_BRANCH
? BRANCH : BRANCHJ) ) { /* Failure */
unwind = uwb->prev;
#ifdef DEBUGGING
case ALNUM:
if (do_utf8) {
loceol = PL_regeol;
+ LOAD_UTF8_CHARCLASS(alnum,"a");
while (hardcount < max && scan < loceol &&
- swash_fetch(PL_utf8_alnum, (U8*)scan)) {
+ swash_fetch(PL_utf8_alnum, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
hardcount++;
}
case NALNUM:
if (do_utf8) {
loceol = PL_regeol;
+ LOAD_UTF8_CHARCLASS(alnum,"a");
while (hardcount < max && scan < loceol &&
- !swash_fetch(PL_utf8_alnum, (U8*)scan)) {
+ !swash_fetch(PL_utf8_alnum, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
hardcount++;
}
case SPACE:
if (do_utf8) {
loceol = PL_regeol;
+ LOAD_UTF8_CHARCLASS(space," ");
while (hardcount < max && scan < loceol &&
- (*scan == ' ' || swash_fetch(PL_utf8_space,(U8*)scan))) {
+ (*scan == ' ' ||
+ swash_fetch(PL_utf8_space,(U8*)scan, do_utf8))) {
scan += UTF8SKIP(scan);
hardcount++;
}
case NSPACE:
if (do_utf8) {
loceol = PL_regeol;
+ LOAD_UTF8_CHARCLASS(space," ");
while (hardcount < max && scan < loceol &&
- !(*scan == ' ' || swash_fetch(PL_utf8_space,(U8*)scan))) {
+ !(*scan == ' ' ||
+ swash_fetch(PL_utf8_space,(U8*)scan, do_utf8))) {
scan += UTF8SKIP(scan);
hardcount++;
}
case DIGIT:
if (do_utf8) {
loceol = PL_regeol;
+ LOAD_UTF8_CHARCLASS(digit,"0");
while (hardcount < max && scan < loceol &&
- swash_fetch(PL_utf8_digit,(U8*)scan)) {
+ swash_fetch(PL_utf8_digit, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
hardcount++;
}
case NDIGIT:
if (do_utf8) {
loceol = PL_regeol;
+ LOAD_UTF8_CHARCLASS(digit,"0");
while (hardcount < max && scan < loceol &&
- !swash_fetch(PL_utf8_digit,(U8*)scan)) {
+ !swash_fetch(PL_utf8_digit, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
hardcount++;
}
c = scan - PL_reginput;
PL_reginput = scan;
- DEBUG_r(
+ DEBUG_r(
{
SV *prop = sv_newmortal();
regprop(prop, p);
- PerlIO_printf(Perl_debug_log,
- "%*s %s can match %"IVdf" times out of %"IVdf"...\n",
+ PerlIO_printf(Perl_debug_log,
+ "%*s %s can match %"IVdf" times out of %"IVdf"...\n",
REPORT_CODE_OFF+1, "", SvPVX(prop),(IV)c,(IV)max);
});
-
+
return(c);
}
/*
- regrepeat_hard - repeatedly match something, report total lenth and length
- *
+ *
* The repeater is supposed to have constant length.
*/
STATIC I32
S_regrepeat_hard(pTHX_ regnode *p, I32 max, I32 *lp)
{
- register char *scan;
+ register char *scan = Nullch;
register char *start;
register char *loceol = PL_regeol;
I32 l = 0;
}
if (!res)
PL_reginput = scan;
-
+
return count;
}
SV *rv = (SV*)PL_regdata->data[n];
AV *av = (AV*)SvRV((SV*)rv);
SV **a;
-
+
si = *av_fetch(av, 0, FALSE);
a = av_fetch(av, 1, FALSE);
-
+
if (a)
sw = *a;
else if (si && doinit) {
char flags = ANYOF_FLAGS(n);
bool match = FALSE;
UV c;
- STRLEN len;
+ STRLEN len = 0;
- if (do_utf8)
- c = utf8_to_uv_simple(p, &len);
- else
- c = *p;
+ c = do_utf8 ? utf8_to_uvchr(p, &len) : *p;
if (do_utf8 || (flags & ANYOF_UNICODE)) {
if (do_utf8 && !ANYOF_RUNTIME(n)) {
if (len != (STRLEN)-1 && c < 256 && ANYOF_BITMAP_TEST(n, c))
match = TRUE;
}
- if (do_utf8 && flags & ANYOF_UNICODE_ALL && c >= 256)
+ if (!match && do_utf8 && (flags & ANYOF_UNICODE_ALL) && c >= 256)
match = TRUE;
if (!match) {
SV *sw = regclass_swash(n, TRUE, 0);
if (sw) {
- if (swash_fetch(sw, p))
+ if (swash_fetch(sw, p, do_utf8))
match = TRUE;
else if (flags & ANYOF_FOLD) {
U8 tmpbuf[UTF8_MAXLEN+1];
-
+
if (flags & ANYOF_LOCALE) {
PL_reg_flags |= RF_tainted;
- uv_to_utf8(tmpbuf, toLOWER_LC_utf8(p));
+ uvchr_to_utf8(tmpbuf, toLOWER_LC_utf8(p));
}
else
- uv_to_utf8(tmpbuf, toLOWER_utf8(p));
- if (swash_fetch(sw, tmpbuf))
+ uvchr_to_utf8(tmpbuf, toLOWER_utf8(p));
+ if (swash_fetch(sw, tmpbuf, do_utf8))
match = TRUE;
}
}
if (ANYOF_BITMAP_TEST(n, c))
match = TRUE;
else if (flags & ANYOF_FOLD) {
- I32 f;
+ I32 f;
if (flags & ANYOF_LOCALE) {
PL_reg_flags |= RF_tainted;
STATIC U8 *
S_reghop(pTHX_ U8 *s, I32 off)
-{
+{
return S_reghop3(aTHX_ s, off, (U8*)(off >= 0 ? PL_regeol : PL_bostr));
}
STATIC U8 *
S_reghop3(pTHX_ U8 *s, I32 off, U8* lim)
-{
+{
if (off >= 0) {
while (off-- && s < lim) {
/* XXX could check well-formedness here */
STATIC U8 *
S_reghopmaybe(pTHX_ U8 *s, I32 off)
-{
+{
return S_reghopmaybe3(aTHX_ s, off, (U8*)(off >= 0 ? PL_regeol : PL_bostr));
}