*/
#define CHR_SVLEN(sv) (utf8_target ? sv_len_utf8(sv) : SvCUR(sv))
-#define CHR_DIST(a,b) (reginfo->is_utf8_target ? utf8_distance(a,b) : a - b)
#define HOPc(pos,off) \
(char *)(reginfo->is_utf8_target \
#define HOP3lim(pos,off,lim) (reginfo->is_utf8_target \
? reghop3((U8*)(pos), off, (U8*)(lim)) \
: (U8*)((pos + off) > lim ? lim : (pos + off)))
+#define HOP3clim(pos,off,lim) ((char*)HOP3lim(pos,off,lim))
#define HOP4(pos,off,llim, rlim) (reginfo->is_utf8_target \
? reghop4((U8*)(pos), off, (U8*)(llim), (U8*)(rlim)) \
* are needed for the regexp context stack bookkeeping. */
STATIC CHECKPOINT
-S_regcppush(pTHX_ const regexp *rex, I32 parenfloor, U32 maxopenparen)
+S_regcppush(pTHX_ const regexp *rex, I32 parenfloor, U32 maxopenparen _pDEPTH)
{
const int retval = PL_savestack_ix;
const int paren_elems_to_push =
(int)parenfloor, (unsigned)REGCP_PAREN_ELEMS);
if ((elems_shifted >> SAVE_TIGHT_SHIFT) != total_elems)
- Perl_croak(aTHX_ "panic: paren_elems_to_push offset %"UVuf
+ Perl_croak(aTHX_ "panic: paren_elems_to_push offset %" UVuf
" out of range (%lu-%ld)",
total_elems,
(unsigned long)maxopenparen,
DEBUG_BUFFERS_r(
if ((int)maxopenparen > (int)parenfloor)
- Perl_re_printf( aTHX_
- "rex=0x%"UVxf" offs=0x%"UVxf": saving capture indices:\n",
- PTR2UV(rex),
+ Perl_re_exec_indentf( aTHX_
+ "rex=0x%" UVxf " offs=0x%" UVxf ": saving capture indices:\n",
+ depth,
+ PTR2UV(rex),
PTR2UV(rex->offs)
);
);
SSPUSHIV(rex->offs[p].end);
SSPUSHIV(rex->offs[p].start);
SSPUSHINT(rex->offs[p].start_tmp);
- DEBUG_BUFFERS_r(Perl_re_printf( aTHX_
- " \\%"UVuf": %"IVdf"(%"IVdf")..%"IVdf"\n",
- (UV)p,
+ DEBUG_BUFFERS_r(Perl_re_exec_indentf( aTHX_
+ " \\%" UVuf ": %" IVdf "(%" IVdf ")..%" IVdf "\n",
+ depth,
+ (UV)p,
(IV)rex->offs[p].start,
(IV)rex->offs[p].start_tmp,
(IV)rex->offs[p].end
/* These are needed since we do not localize EVAL nodes: */
#define REGCP_SET(cp) \
DEBUG_STATE_r( \
- Perl_re_exec_indentf( aTHX_ \
- "Setting an EVAL scope, savestack=%"IVdf",\n", \
+ Perl_re_exec_indentf( aTHX_ \
+ "Setting an EVAL scope, savestack=%" IVdf ",\n", \
depth, (IV)PL_savestack_ix \
) \
); \
#define REGCP_UNWIND(cp) \
DEBUG_STATE_r( \
if (cp != PL_savestack_ix) \
- Perl_re_exec_indentf( aTHX_ \
- "Clearing an EVAL scope, savestack=%"IVdf"..%"IVdf"\n",\
+ Perl_re_exec_indentf( aTHX_ \
+ "Clearing an EVAL scope, savestack=%" \
+ IVdf "..%" IVdf "\n", \
depth, (IV)(cp), (IV)PL_savestack_ix \
) \
); \
STATIC void
-S_regcppop(pTHX_ regexp *rex, U32 *maxopenparen_p)
+S_regcppop(pTHX_ regexp *rex, U32 *maxopenparen_p _pDEPTH)
{
UV i;
U32 paren;
/* Now restore the parentheses context. */
DEBUG_BUFFERS_r(
if (i || rex->lastparen + 1 <= rex->nparens)
- Perl_re_printf( aTHX_
- "rex=0x%"UVxf" offs=0x%"UVxf": restoring capture indices to:\n",
- PTR2UV(rex),
+ Perl_re_exec_indentf( aTHX_
+ "rex=0x%" UVxf " offs=0x%" UVxf ": restoring capture indices to:\n",
+ depth,
+ PTR2UV(rex),
PTR2UV(rex->offs)
);
);
tmps = SSPOPIV;
if (paren <= rex->lastparen)
rex->offs[paren].end = tmps;
- DEBUG_BUFFERS_r( Perl_re_printf( aTHX_
- " \\%"UVuf": %"IVdf"(%"IVdf")..%"IVdf"%s\n",
- (UV)paren,
+ DEBUG_BUFFERS_r( Perl_re_exec_indentf( aTHX_
+ " \\%" UVuf ": %" IVdf "(%" IVdf ")..%" IVdf "%s\n",
+ depth,
+ (UV)paren,
(IV)rex->offs[paren].start,
(IV)rex->offs[paren].start_tmp,
(IV)rex->offs[paren].end,
if (i > *maxopenparen_p)
rex->offs[i].start = -1;
rex->offs[i].end = -1;
- DEBUG_BUFFERS_r( Perl_re_printf( aTHX_
- " \\%"UVuf": %s ..-1 undeffing\n",
- (UV)i,
+ DEBUG_BUFFERS_r( Perl_re_exec_indentf( aTHX_
+ " \\%" UVuf ": %s ..-1 undeffing\n",
+ depth,
+ (UV)i,
(i > *maxopenparen_p) ? "-1" : " "
));
}
* but without popping the stack */
STATIC void
-S_regcp_restore(pTHX_ regexp *rex, I32 ix, U32 *maxopenparen_p)
+S_regcp_restore(pTHX_ regexp *rex, I32 ix, U32 *maxopenparen_p _pDEPTH)
{
I32 tmpix = PL_savestack_ix;
+ PERL_ARGS_ASSERT_REGCP_RESTORE;
+
PL_savestack_ix = ix;
regcppop(rex, maxopenparen_p);
PL_savestack_ix = tmpix;
#define regcpblow(cp) LEAVE_SCOPE(cp) /* Ignores regcppush()ed data. */
-STATIC bool
-S_isFOO_lc(pTHX_ const U8 classnum, const U8 character)
+#ifndef PERL_IN_XSUB_RE
+
+bool
+Perl_isFOO_lc(pTHX_ const U8 classnum, const U8 character)
{
/* Returns a boolean as to whether or not 'character' is a member of the
* Posix character class given by 'classnum' that should be equivalent to a
case _CC_ENUM_ALPHA: return isALPHA_LC(character);
case _CC_ENUM_ASCII: return isASCII_LC(character);
case _CC_ENUM_BLANK: return isBLANK_LC(character);
- case _CC_ENUM_CASED: return isLOWER_LC(character)
+ case _CC_ENUM_CASED: return isLOWER_LC(character)
|| isUPPER_LC(character);
case _CC_ENUM_CNTRL: return isCNTRL_LC(character);
case _CC_ENUM_DIGIT: return isDIGIT_LC(character);
return FALSE;
}
+#endif
+
STATIC bool
S_isFOO_utf8_lc(pTHX_ const U8 classnum, const U8* character)
{
reginfo->poscache_maxiter = 0;
if (utf8_target) {
- if (!prog->check_utf8 && prog->check_substr)
+ if ((!prog->anchored_utf8 && prog->anchored_substr)
+ || (!prog->float_utf8 && prog->float_substr))
to_utf8_substr(prog);
check = prog->check_utf8;
} else {
continue;
Perl_re_printf( aTHX_
- " substrs[%d]: min=%"IVdf" max=%"IVdf" end shift=%"IVdf
- " useful=%"IVdf" utf8=%d [%s]\n",
+ " substrs[%d]: min=%" IVdf " max=%" IVdf " end shift=%" IVdf
+ " useful=%" IVdf " utf8=%d [%s]\n",
i,
(IV)prog->substrs->data[i].min_offset,
(IV)prog->substrs->data[i].max_offset,
char *s = HOP3c(strpos, prog->check_offset_min, strend);
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " Looking for check substr at fixed offset %"IVdf"...\n",
+ " Looking for check substr at fixed offset %" IVdf "...\n",
(IV)prog->check_offset_min));
if (SvTAIL(check)) {
/* Now should match s[0..slen-2] */
slen--;
}
- if (slen && (*SvPVX_const(check) != *s
- || (slen > 1 && memNE(SvPVX_const(check), s, slen))))
+ if (slen && (strend - s < slen
+ || *SvPVX_const(check) != *s
+ || (slen > 1 && (memNE(SvPVX_const(check), s, slen)))))
{
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
" String not equal...\n"));
#ifdef DEBUGGING /* 7/99: reports of failure (with the older version) */
if (end_shift < 0)
- Perl_croak(aTHX_ "panic: end_shift: %"IVdf" pattern:\n%s\n ",
+ Perl_croak(aTHX_ "panic: end_shift: %" IVdf " pattern:\n%s\n ",
(IV)end_shift, RX_PRECOMP(prog));
#endif
DEBUG_OPTIMISE_MORE_r({
Perl_re_printf( aTHX_
- " At restart: rx_origin=%"IVdf" Check offset min: %"IVdf
- " Start shift: %"IVdf" End shift %"IVdf
- " Real end Shift: %"IVdf"\n",
+ " At restart: rx_origin=%" IVdf " Check offset min: %" IVdf
+ " Start shift: %" IVdf " End shift %" IVdf
+ " Real end Shift: %" IVdf "\n",
(IV)(rx_origin - strbeg),
(IV)prog->check_offset_min,
(IV)start_shift,
check, multiline ? FBMrf_MULTILINE : 0);
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " doing 'check' fbm scan, [%"IVdf"..%"IVdf"] gave %"IVdf"\n",
+ " doing 'check' fbm scan, [%" IVdf "..%" IVdf "] gave %" IVdf "\n",
(IV)((char*)start_point - strbeg),
(IV)((char*)end_point - strbeg),
(IV)(check_at ? check_at - strbeg : -1)
rx_origin = HOP3c(check_at, -prog->check_offset_max, rx_origin);
/* Finish the diagnostic message */
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- "%ld (rx_origin now %"IVdf")...\n",
+ "%ld (rx_origin now %" IVdf ")...\n",
(long)(check_at - strbeg),
(IV)(rx_origin - strbeg)
));
char *from = s;
char *to = last + SvCUR(must) - (SvTAIL(must)!=0);
+ if (to > strend)
+ to = strend;
if (from > to) {
s = NULL;
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " skipping 'other' fbm scan: %"IVdf" > %"IVdf"\n",
+ " skipping 'other' fbm scan: %" IVdf " > %" IVdf "\n",
(IV)(from - strbeg),
(IV)(to - strbeg)
));
multiline ? FBMrf_MULTILINE : 0
);
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " doing 'other' fbm scan, [%"IVdf"..%"IVdf"] gave %"IVdf"\n",
+ " doing 'other' fbm scan, [%" IVdf "..%" IVdf "] gave %" IVdf "\n",
(IV)(from - strbeg),
(IV)(to - strbeg),
(IV)(s ? s - strbeg : -1)
? HOP3c(rx_origin, 1, strend)
: HOP4c(last, 1 - other->min_offset, strbeg, strend);
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- "; about to retry %s at offset %ld (rx_origin now %"IVdf")...\n",
+ "; about to retry %s at offset %ld (rx_origin now %" IVdf ")...\n",
(other_ix ? "floating" : "anchored"),
(long)(HOP3c(check_at, 1, strend) - strbeg),
(IV)(rx_origin - strbeg)
other_last = HOP3c(s, 1, strend);
}
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " at offset %ld (rx_origin now %"IVdf")...\n",
+ " at offset %ld (rx_origin now %" IVdf ")...\n",
(long)(s - strbeg),
(IV)(rx_origin - strbeg)
));
else {
DEBUG_OPTIMISE_MORE_r(
Perl_re_printf( aTHX_
- " Check-only match: offset min:%"IVdf" max:%"IVdf
- " check_at:%"IVdf" rx_origin:%"IVdf" rx_origin-check_at:%"IVdf
- " strend:%"IVdf"\n",
+ " Check-only match: offset min:%" IVdf " max:%" IVdf
+ " check_at:%" IVdf " rx_origin:%" IVdf " rx_origin-check_at:%" IVdf
+ " strend:%" IVdf "\n",
(IV)prog->check_offset_min,
(IV)prog->check_offset_max,
(IV)(check_at-strbeg),
* didn't contradict, so just retry the anchored "other"
* substr */
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " Found /%s^%s/m, rescanning for anchored from offset %"IVdf" (rx_origin now %"IVdf")...\n",
+ " Found /%s^%s/m, rescanning for anchored from offset %" IVdf " (rx_origin now %" IVdf ")...\n",
PL_colors[0], PL_colors[1],
(IV)(rx_origin - strbeg + prog->anchored_offset),
(IV)(rx_origin - strbeg)
*/
if (prog->anchored_substr || prog->anchored_utf8 || ml_anch)
- endpos= HOP3c(rx_origin, (prog->minlen ? cl_l : 0), strend);
+ endpos = HOP3clim(rx_origin, (prog->minlen ? cl_l : 0), strend);
else if (prog->float_substr || prog->float_utf8) {
rx_max_float = HOP3c(check_at, -start_shift, strbeg);
- endpos= HOP3c(rx_max_float, cl_l, strend);
+ endpos = HOP3clim(rx_max_float, cl_l, strend);
}
else
endpos= strend;
DEBUG_EXECUTE_r(Perl_re_printf( aTHX_
- " looking for class: start_shift: %"IVdf" check_at: %"IVdf
- " rx_origin: %"IVdf" endpos: %"IVdf"\n",
+ " looking for class: start_shift: %" IVdf " check_at: %" IVdf
+ " rx_origin: %" IVdf " endpos: %" IVdf "\n",
(IV)start_shift, (IV)(check_at - strbeg),
(IV)(rx_origin - strbeg), (IV)(endpos - strbeg)));
* practice the extra fbm_instr() is likely to
* get skipped anyway. */
DEBUG_EXECUTE_r( Perl_re_printf( aTHX_
- " about to retry anchored at offset %ld (rx_origin now %"IVdf")...\n",
+ " about to retry anchored at offset %ld (rx_origin now %" IVdf ")...\n",
(long)(other_last - strbeg),
(IV)(rx_origin - strbeg)
));
goto fail;
}
DEBUG_EXECUTE_r( Perl_re_printf( aTHX_
- " about to look for %s substr starting at offset %ld (rx_origin now %"IVdf")...\n",
+ " about to look for %s substr starting at offset %ld (rx_origin now %" IVdf ")...\n",
(prog->substrs->check_ix ? "floating" : "anchored"),
(long)(rx_origin + start_shift - strbeg),
(IV)(rx_origin - strbeg)
uscan += len; \
len=0; \
} else { \
- uvc = _to_utf8_fold_flags( (const U8*) uc, foldbuf, &foldlen, flags); \
len = UTF8SKIP(uc); \
+ uvc = _toFOLD_utf8_flags( (const U8*) uc, uc + len, foldbuf, &foldlen, \
+ flags); \
skiplen = UVCHR_SKIP( uvc ); \
foldlen -= skiplen; \
uscan = foldbuf + skiplen; \
tmp = TEST_UV(tmp); \
LOAD_UTF8_CHARCLASS_ALNUM(); \
REXEC_FBC_UTF8_SCAN( /* advances s while s < strend */ \
- if (tmp == ! (TEST_UTF8((U8 *) s))) { \
+ if (tmp == ! (TEST_UTF8((U8 *) s, (U8 *) reginfo->strend))) { \
tmp = !tmp; \
IF_SUCCESS; \
} \
REXEC_FBC_UTF8_CLASS_SCAN(
reginclass(prog, c, (U8*)s, (U8*) strend, utf8_target));
}
+ else if (ANYOF_FLAGS(c)) {
+ REXEC_FBC_CLASS_SCAN(reginclass(prog,c, (U8*)s, (U8*)s+1, 0));
+ }
else {
- REXEC_FBC_CLASS_SCAN(REGINCLASS(prog, c, (U8*)s, 0));
+ REXEC_FBC_CLASS_SCAN(ANYOF_BITMAP_TEST(c, *((U8*)s)));
}
break;
goto do_boundu;
}
- FBC_BOUND(isWORDCHAR_LC, isWORDCHAR_LC_uvchr, isWORDCHAR_LC_utf8);
+ FBC_BOUND(isWORDCHAR_LC, isWORDCHAR_LC_uvchr, isWORDCHAR_LC_utf8_safe);
break;
case NBOUNDL:
goto do_nboundu;
}
- FBC_NBOUND(isWORDCHAR_LC, isWORDCHAR_LC_uvchr, isWORDCHAR_LC_utf8);
+ FBC_NBOUND(isWORDCHAR_LC, isWORDCHAR_LC_uvchr, isWORDCHAR_LC_utf8_safe);
break;
case BOUND: /* regcomp.c makes sure that this only has the traditional \b
meaning */
assert(FLAGS(c) == TRADITIONAL_BOUND);
- FBC_BOUND(isWORDCHAR, isWORDCHAR_uni, isWORDCHAR_utf8);
+ FBC_BOUND(isWORDCHAR, isWORDCHAR_uni, isWORDCHAR_utf8_safe);
break;
case BOUNDA: /* regcomp.c makes sure that this only has the traditional \b
meaning */
assert(FLAGS(c) == TRADITIONAL_BOUND);
- FBC_NBOUND(isWORDCHAR, isWORDCHAR_uni, isWORDCHAR_utf8);
+ FBC_NBOUND(isWORDCHAR, isWORDCHAR_uni, isWORDCHAR_utf8_safe);
break;
case NBOUNDA: /* regcomp.c makes sure that this only has the traditional \b
case NBOUNDU:
if ((bound_type) FLAGS(c) == TRADITIONAL_BOUND) {
- FBC_NBOUND(isWORDCHAR_L1, isWORDCHAR_uni, isWORDCHAR_utf8);
+ FBC_NBOUND(isWORDCHAR_L1, isWORDCHAR_uni, isWORDCHAR_utf8_safe);
break;
}
do_boundu:
switch((bound_type) FLAGS(c)) {
case TRADITIONAL_BOUND:
- FBC_BOUND(isWORDCHAR_L1, isWORDCHAR_uni, isWORDCHAR_utf8);
+ FBC_BOUND(isWORDCHAR_L1, isWORDCHAR_uni, isWORDCHAR_utf8_safe);
break;
case GCB_BOUND:
if (s == reginfo->strbeg) {
while (s < strend) {
GCB_enum after = getGCB_VAL_UTF8((U8*) s,
(U8*) reginfo->strend);
- if ( (to_complement ^ isGCB(before, after))
+ if ( (to_complement ^ isGCB(before,
+ after,
+ (U8*) reginfo->strbeg,
+ (U8*) s,
+ utf8_target))
&& (reginfo->intuit || regtry(reginfo, &s)))
{
goto got_it;
if (utf8_target) {
/* The complement of something that matches only ASCII matches all
* non-ASCII, plus everything in ASCII that isn't in the class. */
- REXEC_FBC_UTF8_CLASS_SCAN(! isASCII_utf8(s)
+ REXEC_FBC_UTF8_CLASS_SCAN( ! isASCII_utf8_safe(s, strend)
|| ! _generic_isCC_A(*s, FLAGS(c)));
break;
}
if ((UTF8_IS_INVARIANT(*s)
&& to_complement ^ cBOOL(_generic_isCC((U8) *s,
classnum)))
- || (UTF8_IS_DOWNGRADEABLE_START(*s)
+ || ( UTF8_IS_NEXT_CHAR_DOWNGRADEABLE(s, strend)
&& to_complement ^ cBOOL(
_generic_isCC(EIGHT_BIT_UTF8_TO_NATIVE(*s,
*(s + 1)),
macros */
case _CC_ENUM_SPACE:
REXEC_FBC_UTF8_CLASS_SCAN(
- to_complement ^ cBOOL(isSPACE_utf8(s)));
+ to_complement ^ cBOOL(isSPACE_utf8_safe(s, strend)));
break;
case _CC_ENUM_BLANK:
REXEC_FBC_UTF8_CLASS_SCAN(
- to_complement ^ cBOOL(isBLANK_utf8(s)));
+ to_complement ^ cBOOL(isBLANK_utf8_safe(s, strend)));
break;
case _CC_ENUM_XDIGIT:
REXEC_FBC_UTF8_CLASS_SCAN(
- to_complement ^ cBOOL(isXDIGIT_utf8(s)));
+ to_complement ^ cBOOL(isXDIGIT_utf8_safe(s, strend)));
break;
case _CC_ENUM_VERTSPACE:
REXEC_FBC_UTF8_CLASS_SCAN(
- to_complement ^ cBOOL(isVERTWS_utf8(s)));
+ to_complement ^ cBOOL(isVERTWS_utf8_safe(s, strend)));
break;
case _CC_ENUM_CNTRL:
REXEC_FBC_UTF8_CLASS_SCAN(
- to_complement ^ cBOOL(isCNTRL_utf8(s)));
+ to_complement ^ cBOOL(isCNTRL_utf8_safe(s, strend)));
break;
default:
* FBC macro instead of being expanded out. Since we've loaded the
* swash, we don't have to check for that each time through the loop */
REXEC_FBC_UTF8_CLASS_SCAN(
- to_complement ^ cBOOL(_generic_utf8(
+ to_complement ^ cBOOL(_generic_utf8_safe(
classnum,
s,
+ strend,
swash_fetch(PL_utf8_swash_ptrs[classnum],
(U8 *) s, TRUE))));
break;
dump_exec_pos( (char *)uc, c, strend,
real_start, s, utf8_target, 0);
Perl_re_printf( aTHX_
- " Charid:%3u CP:%4"UVxf" ",
+ " Charid:%3u CP:%4" UVxf " ",
charid, uvc);
});
}
dump_exec_pos( (char *)uc, c, strend, real_start,
s, utf8_target, 0 );
Perl_re_printf( aTHX_
- "%sState: %4"UVxf", word=%"UVxf,
+ "%sState: %4" UVxf ", word=%" UVxf,
failed ? " Fail transition to " : "",
(UV)state, (UV)word);
});
if (leftmost) {
s = (char*)leftmost;
DEBUG_TRIE_EXECUTE_r({
- Perl_re_printf( aTHX_ "Matches word #%"UVxf" at position %"IVdf". Trying full pattern...\n",
+ Perl_re_printf( aTHX_ "Matches word #%" UVxf " at position %" IVdf ". Trying full pattern...\n",
(UV)accepted_word, (IV)(s - real_start)
);
});
: strbeg; /* pos() not defined; use start of string */
DEBUG_GPOS_r(Perl_re_printf( aTHX_
- "GPOS ganch set to strbeg[%"IVdf"]\n", (IV)(reginfo->ganch - strbeg)));
+ "GPOS ganch set to strbeg[%" IVdf "]\n", (IV)(reginfo->ganch - strbeg)));
/* in the presence of \G, we may need to start looking earlier in
* the string than the suggested start point of stringarg:
swap = prog->offs;
/* do we need a save destructor here for eval dies? */
Newxz(prog->offs, (prog->nparens + 1), regexp_paren_pair);
- DEBUG_BUFFERS_r(Perl_re_printf( aTHX_
- "rex=0x%"UVxf" saving offs: orig=0x%"UVxf" new=0x%"UVxf"\n",
- PTR2UV(prog),
+ DEBUG_BUFFERS_r(Perl_re_exec_indentf( aTHX_
+ "rex=0x%" UVxf " saving offs: orig=0x%" UVxf " new=0x%" UVxf "\n",
+ 0,
+ PTR2UV(prog),
PTR2UV(swap),
PTR2UV(prog->offs)
));
DEBUG_BUFFERS_r(
if (swap)
- Perl_re_printf( aTHX_
- "rex=0x%"UVxf" freeing offs: 0x%"UVxf"\n",
- PTR2UV(prog),
+ Perl_re_exec_indentf( aTHX_
+ "rex=0x%" UVxf " freeing offs: 0x%" UVxf "\n",
+ 0,
+ PTR2UV(prog),
PTR2UV(swap)
);
);
if (swap) {
/* we failed :-( roll it back */
- DEBUG_BUFFERS_r(Perl_re_printf( aTHX_
- "rex=0x%"UVxf" rolling back offs: freeing=0x%"UVxf" restoring=0x%"UVxf"\n",
- PTR2UV(prog),
+ DEBUG_BUFFERS_r(Perl_re_exec_indentf( aTHX_
+ "rex=0x%" UVxf " rolling back offs: freeing=0x%" UVxf " restoring=0x%" UVxf "\n",
+ 0,
+ PTR2UV(prog),
PTR2UV(prog->offs),
PTR2UV(swap)
));
* above-mentioned test suite tests to succeed. The common theme
* on those tests seems to be returning null fields from matches.
* --jhi updated by dapm */
+
+ /* After encountering a variant of the issue mentioned above I think
+ * the point Ilya was making is that if we properly unwind whenever
+ * we set lastparen to a smaller value then we should not need to do
+ * this every time, only when needed. So if we have tests that fail if
+ * we remove this, then it suggests somewhere else we are improperly
+ * unwinding the lastparen/paren buffers. See UNWIND_PARENS() and
+ * places it is called, and related regcp() routines. - Yves */
#if 1
if (prog->nparens) {
regexp_paren_pair *pp = prog->offs;
PerlIO *f= Perl_debug_log;
PERL_ARGS_ASSERT_RE_EXEC_INDENTF;
va_start(ap, depth);
- PerlIO_printf(f, "%*s|%4"UVuf"| %*s", REPORT_CODE_OFF, "", (UV)depth, INDENT_CHARS(depth), "" );
+ PerlIO_printf(f, "%*s|%4" UVuf "| %*s", REPORT_CODE_OFF, "", (UV)depth, INDENT_CHARS(depth), "" );
result = PerlIO_vprintf(f, fmt, ap);
va_end(ap);
return result;
STATIC regmatch_state *
S_push_slab(pTHX)
{
-#if PERL_VERSION < 9 && !defined(PERL_CORE)
- dMY_CXT;
-#endif
regmatch_slab *s = PL_regmatch_slab->next;
if (!s) {
Newx(s, 1, regmatch_slab);
const STRLEN tlen=len0+len1+len2;
Perl_re_printf( aTHX_
- "%4"IVdf" <%.*s%.*s%s%.*s>%*s|%4u| ",
+ "%4" IVdf " <%.*s%.*s%s%.*s>%*s|%4u| ",
(IV)(locinput - loc_bostr),
len0, s0,
len1, s1,
}
else {
STRLEN len;
- _to_utf8_fold_flags(s,
- d,
- &len,
- FOLD_FLAGS_FULL | FOLD_FLAGS_LOCALE);
+ _toFOLD_utf8_flags(s,
+ pat_end,
+ d,
+ &len,
+ FOLD_FLAGS_FULL | FOLD_FLAGS_LOCALE);
d += len;
s += UTF8SKIP(s);
}
return TRUE;
}
-PERL_STATIC_INLINE bool
-S_isGCB(const GCB_enum before, const GCB_enum after)
+STATIC bool
+S_isGCB(pTHX_ const GCB_enum before, const GCB_enum after, const U8 * const strbeg, const U8 * const curpos, const bool utf8_target)
{
/* returns a boolean indicating if there is a Grapheme Cluster Boundary
- * between the inputs. See http://www.unicode.org/reports/tr29/ */
+ * between the inputs. See http://www.unicode.org/reports/tr29/. */
+
+ PERL_ARGS_ASSERT_ISGCB;
+
+ switch (GCB_table[before][after]) {
+ case GCB_BREAKABLE:
+ return TRUE;
+
+ case GCB_NOBREAK:
+ return FALSE;
+
+ case GCB_RI_then_RI:
+ {
+ int RI_count = 1;
+ U8 * temp_pos = (U8 *) curpos;
+
+ /* Do not break within emoji flag sequences. That is, do not
+ * break between regional indicator (RI) symbols if there is an
+ * odd number of RI characters before the break point.
+ * GB12 ^ (RI RI)* RI × RI
+ * GB13 [^RI] (RI RI)* RI × RI */
+
+ while (backup_one_GCB(strbeg,
+ &temp_pos,
+ utf8_target) == GCB_Regional_Indicator)
+ {
+ RI_count++;
+ }
+
+ return RI_count % 2 != 1;
+ }
+
+ case GCB_EX_then_EM:
+
+ /* GB10 ( E_Base | E_Base_GAZ ) Extend* × E_Modifier */
+ {
+ U8 * temp_pos = (U8 *) curpos;
+ GCB_enum prev;
+
+ do {
+ prev = backup_one_GCB(strbeg, &temp_pos, utf8_target);
+ }
+ while (prev == GCB_Extend);
+
+ return prev != GCB_E_Base && prev != GCB_E_Base_GAZ;
+ }
+
+ default:
+ break;
+ }
+
+#ifdef DEBUGGING
+ Perl_re_printf( aTHX_ "Unhandled GCB pair: GCB_table[%d, %d] = %d\n",
+ before, after, GCB_table[before][after]);
+ assert(0);
+#endif
+ return TRUE;
+}
+
+STATIC GCB_enum
+S_backup_one_GCB(pTHX_ const U8 * const strbeg, U8 ** curpos, const bool utf8_target)
+{
+ GCB_enum gcb;
+
+ PERL_ARGS_ASSERT_BACKUP_ONE_GCB;
+
+ if (*curpos < strbeg) {
+ return GCB_EDGE;
+ }
+
+ if (utf8_target) {
+ U8 * prev_char_pos = reghopmaybe3(*curpos, -1, strbeg);
+ U8 * prev_prev_char_pos;
+
+ if (! prev_char_pos) {
+ return GCB_EDGE;
+ }
+
+ if ((prev_prev_char_pos = reghopmaybe3((U8 *) prev_char_pos, -1, strbeg))) {
+ gcb = getGCB_VAL_UTF8(prev_prev_char_pos, prev_char_pos);
+ *curpos = prev_char_pos;
+ prev_char_pos = prev_prev_char_pos;
+ }
+ else {
+ *curpos = (U8 *) strbeg;
+ return GCB_EDGE;
+ }
+ }
+ else {
+ if (*curpos - 2 < strbeg) {
+ *curpos = (U8 *) strbeg;
+ return GCB_EDGE;
+ }
+ (*curpos)--;
+ gcb = getGCB_VAL_CP(*(*curpos - 1));
+ }
- return GCB_table[before][after];
+ return gcb;
}
/* Combining marks attach to most classes that precede them, but this defines
PERL_ARGS_ASSERT_ISLB;
- /* Rule numbers in the comments below are as of Unicode 8.0 */
+ /* Rule numbers in the comments below are as of Unicode 9.0 */
redo:
before = prev;
* that is overriden */
return LB_table[prev][after] != LB_NOBREAK_EVEN_WITH_SP_BETWEEN;
- case LB_CM_foo:
+ case LB_CM_ZWJ_foo:
/* We don't know how to treat the CM except by looking at the first
- * non-CM character preceding it */
+ * non-CM character preceding it. ZWJ is treated as CM */
do {
prev = backup_one_LB(strbeg, &temp_pos, utf8_target);
}
- while (prev == LB_Combining_Mark);
+ while (prev == LB_Combining_Mark || prev == LB_ZWJ);
/* Here, 'prev' is that first earlier non-CM character. If the CM
* attatches to it, then it inherits the behavior of 'prev'. If it
return LB_various_then_PO_or_PR;
}
+ case LB_RI_then_RI + LB_NOBREAK:
+ case LB_RI_then_RI + LB_BREAKABLE:
+ {
+ int RI_count = 1;
+
+ /* LB30a Break between two regional indicator symbols if and
+ * only if there are an even number of regional indicators
+ * preceding the position of the break.
+ *
+ * sot (RI RI)* RI × RI
+ * [^RI] (RI RI)* RI × RI */
+
+ while (backup_one_LB(strbeg,
+ &temp_pos,
+ utf8_target) == LB_Regional_Indicator)
+ {
+ RI_count++;
+ }
+
+ return RI_count % 2 == 0;
+ }
+
default:
break;
}
PERL_ARGS_ASSERT_ISWB;
- /* Rule numbers in the comments below are as of Unicode 8.0 */
+ /* Rule numbers in the comments below are as of Unicode 9.0 */
redo:
before = prev;
* the beginning of a region of text', the rule is to break before
* them, just like any other character. Therefore, the default rule
* applies and we don't have to look in more depth. Should this ever
- * change, we would have to have 2 'case' statements, like in the
- * rules below, and backup a single character (not spacing over the
- * extend ones) and then see if that is one of the region-end
- * characters and go from there */
- case WB_Ex_or_FO_then_foo:
+ * change, we would have to have 2 'case' statements, like in the rules
+ * below, and backup a single character (not spacing over the extend
+ * ones) and then see if that is one of the region-end characters and
+ * go from there */
+ case WB_Ex_or_FO_or_ZWJ_then_foo:
prev = backup_one_WB(&previous, strbeg, &before_pos, utf8_target);
goto redo;
return WB_table[before][after]
- WB_NU_then_MB_or_MN_or_SQ == WB_BREAKABLE;
+ case WB_RI_then_RI + WB_NOBREAK:
+ case WB_RI_then_RI + WB_BREAKABLE:
+ {
+ int RI_count = 1;
+
+ /* Do not break within emoji flag sequences. That is, do not
+ * break between regional indicator (RI) symbols if there is an
+ * odd number of RI characters before the potential break
+ * point.
+ *
+ * WB15 ^ (RI RI)* RI × RI
+ * WB16 [^RI] (RI RI)* RI × RI */
+
+ while (backup_one_WB(&previous,
+ strbeg,
+ &before_pos,
+ utf8_target) == WB_Regional_Indicator)
+ {
+ RI_count++;
+ }
+
+ return RI_count % 2 != 1;
+ }
+
default:
break;
}
*previous = (*curpos <= strbeg) ? WB_EDGE : WB_UNKNOWN;
}
- /* And we always back up over these two types */
- if (wb != WB_Extend && wb != WB_Format) {
+ /* And we always back up over these three types */
+ if (wb != WB_Extend && wb != WB_Format && wb != WB_ZWJ) {
return wb;
}
}
*curpos = (U8 *) strbeg;
return WB_EDGE;
}
- } while (wb == WB_Extend || wb == WB_Format);
+ } while (wb == WB_Extend || wb == WB_Format || wb == WB_ZWJ);
}
else {
do {
STATIC SSize_t
S_regmatch(pTHX_ regmatch_info *reginfo, char *startpos, regnode *prog)
{
-
-#if PERL_VERSION < 9 && !defined(PERL_CORE)
- dMY_CXT;
-#endif
dVAR;
const bool utf8_target = reginfo->is_utf8_target;
const U32 uniflags = UTF8_ALLOW_DEFAULT;
I32 nextchr; /* is always set to UCHARAT(locinput), or -1 at EOS */
bool result = 0; /* return value of S_regmatch */
- int depth = 0; /* depth of backtrack stack */
+ U32 depth = 0; /* depth of backtrack stack */
U32 nochange_depth = 0; /* depth of GOSUB recursion with nochange */
const U32 max_nochange_depth =
(3 * rex->nparens > MAX_RECURSE_EVAL_NOCHANGE_DEPTH) ?
PERL_ARGS_ASSERT_REGMATCH;
- DEBUG_OPTIMISE_r( DEBUG_EXECUTE_r({
- Perl_re_printf( aTHX_ "regmatch start\n");
- }));
-
st = PL_regmatch_state;
/* Note that nextchr is a byte even in UTF */
SET_nextchr;
scan = prog;
+
+ DEBUG_OPTIMISE_r( DEBUG_EXECUTE_r({
+ DUMP_EXEC_POS( locinput, scan, utf8_target, depth );
+ Perl_re_printf( aTHX_ "regmatch start\n" );
+ }));
+
while (scan != NULL) {
DUMP_EXEC_POS( locinput, scan, utf8_target, depth );
regprop(rex, prop, scan, reginfo, NULL);
Perl_re_printf( aTHX_
- "%*s%"IVdf":%s(%"IVdf")\n",
+ "%*s%" IVdf ":%s(%" IVdf ")\n",
INDENT_CHARS(depth), "",
(IV)(scan - rexi->program),
SvPVX_const(prop),
DEBUG_TRIE_EXECUTE_r({
DUMP_EXEC_POS( (char *)uc, scan, utf8_target, depth );
- Perl_re_exec_indentf( aTHX_
- "%sState: %4"UVxf" Accepted: %c ",
- depth, PL_colors[4],
+ /* HERE */
+ PerlIO_printf( Perl_debug_log,
+ "%*s%sState: %4" UVxf " Accepted: %c ",
+ INDENT_CHARS(depth), "", PL_colors[4],
(UV)state, (accepted ? 'Y' : 'N'));
});
}
DEBUG_TRIE_EXECUTE_r(
Perl_re_printf( aTHX_
- "Charid:%3x CP:%4"UVxf" After State: %4"UVxf"%s\n",
+ "Charid:%3x CP:%4" UVxf " After State: %4" UVxf "%s\n",
charid, uvc, (UV)state, PL_colors[5] );
);
}
}
DEBUG_EXECUTE_r(
- Perl_re_exec_indentf( aTHX_ "%sgot %"IVdf" possible matches%s\n",
+ Perl_re_exec_indentf( aTHX_ "%sgot %" IVdf " possible matches%s\n",
depth,
PL_colors[4], (IV)ST.accepted, PL_colors[5] );
);
case TRIE_next_fail: /* we failed - try next alternative */
{
U8 *uc;
- if ( ST.jump) {
+ if ( ST.jump ) {
REGCP_UNWIND(ST.cp);
UNWIND_PAREN(ST.lastparen, ST.lastcloseparen);
}
no_final = 0;
}
- if ( ST.jump) {
+ if ( ST.jump ) {
ST.lastparen = rex->lastparen;
ST.lastcloseparen = rex->lastcloseparen;
REGCP_SET(ST.cp);
);
});
- if (ST.accepted > 1 || has_cutgroup) {
+ if ( ST.accepted > 1 || has_cutgroup || ST.jump ) {
PUSH_STATE_GOTO(TRIE_next, scan, (char*)uc);
NOT_REACHED; /* NOTREACHED */
}
if (locinput == reginfo->strbeg)
b1 = isWORDCHAR_LC('\n');
else {
- b1 = isWORDCHAR_LC_utf8(reghop3((U8*)locinput, -1,
- (U8*)(reginfo->strbeg)));
+ b1 = isWORDCHAR_LC_utf8_safe(reghop3((U8*)locinput, -1,
+ (U8*)(reginfo->strbeg)),
+ (U8*)(reginfo->strend));
}
b2 = (NEXTCHR_IS_EOS)
? isWORDCHAR_LC('\n')
- : isWORDCHAR_LC_utf8((U8*)locinput);
+ : isWORDCHAR_LC_utf8_safe((U8*) locinput,
+ (U8*) reginfo->strend);
}
else { /* Here the string isn't utf8 */
b1 = (locinput == reginfo->strbeg)
bool b1, b2;
b1 = (locinput == reginfo->strbeg)
? 0 /* isWORDCHAR_L1('\n') */
- : isWORDCHAR_utf8(reghop3((U8*)locinput, -1,
- (U8*)(reginfo->strbeg)));
+ : isWORDCHAR_utf8_safe(
+ reghop3((U8*)locinput,
+ -1,
+ (U8*)(reginfo->strbeg)),
+ (U8*) reginfo->strend);
b2 = (NEXTCHR_IS_EOS)
? 0 /* isWORDCHAR_L1('\n') */
- : isWORDCHAR_utf8((U8*)locinput);
+ : isWORDCHAR_utf8_safe((U8*)locinput,
+ (U8*) reginfo->strend);
match = cBOOL(b1 != b2);
break;
}
(U8*)(reginfo->strbeg)),
(U8*) reginfo->strend),
getGCB_VAL_UTF8((U8*) locinput,
- (U8*) reginfo->strend));
+ (U8*) reginfo->strend),
+ (U8*) reginfo->strbeg,
+ (U8*) locinput,
+ utf8_target);
}
break;
if (! (to_complement ^ cBOOL(isFOO_lc(FLAGS(scan), (U8) nextchr)))) {
sayNO;
}
+
+ locinput++;
+ break;
}
- else if (UTF8_IS_DOWNGRADEABLE_START(nextchr)) {
- if (! (to_complement ^ cBOOL(isFOO_lc(FLAGS(scan),
- EIGHT_BIT_UTF8_TO_NATIVE(nextchr,
- *(locinput + 1))))))
- {
- sayNO;
- }
- }
- else { /* Here, must be an above Latin-1 code point */
- _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(locinput, reginfo->strend);
+
+ if (! UTF8_IS_NEXT_CHAR_DOWNGRADEABLE(locinput, reginfo->strend)) {
+ /* An above Latin-1 code point, or malformed */
+ _CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(locinput,
+ reginfo->strend);
goto utf8_posix_above_latin1;
}
- /* Here, must be utf8 */
- locinput += UTF8SKIP(locinput);
- break;
+ /* Here is a UTF-8 variant code point below 256 and the target is
+ * UTF-8 */
+ if (! (to_complement ^ cBOOL(isFOO_lc(FLAGS(scan),
+ EIGHT_BIT_UTF8_TO_NATIVE(nextchr,
+ *(locinput + 1))))))
+ {
+ sayNO;
+ }
+
+ goto increment_locinput;
case NPOSIXD: /* \W or [:^punct:] etc. under /d */
to_complement = 1;
}
locinput++;
}
- else if (UTF8_IS_DOWNGRADEABLE_START(nextchr)) {
+ else if (UTF8_IS_NEXT_CHAR_DOWNGRADEABLE(locinput, reginfo->strend)) {
if (! (to_complement
^ cBOOL(_generic_isCC(EIGHT_BIT_UTF8_TO_NATIVE(nextchr,
*(locinput + 1)),
while (locinput < reginfo->strend) {
GCB_enum cur_gcb = getGCB_VAL_UTF8((U8*) locinput,
(U8*) reginfo->strend);
- if (isGCB(prev_gcb, cur_gcb)) {
+ if (isGCB(prev_gcb, cur_gcb,
+ (U8*) reginfo->strbeg, (U8*) locinput,
+ utf8_target))
+ {
break;
}
CV *newcv;
/* save *all* paren positions */
- regcppush(rex, 0, maxopenparen);
+ regcppush(rex, 0, maxopenparen);
REGCP_SET(runops_cp);
if (!caller_cv)
nop = nop->op_next;
DEBUG_STATE_r( Perl_re_printf( aTHX_
- " re EVAL PL_op=0x%"UVxf"\n", PTR2UV(nop)) );
+ " re EVAL PL_op=0x%" UVxf "\n", PTR2UV(nop)) );
rex->offs[0].end = locinput - reginfo->strbeg;
if (reginfo->info_aux_eval->pos_magic)
* in the regexp code uses the pad ! */
PL_op = oop;
PL_curcop = ocurcop;
- S_regcp_restore(aTHX_ rex, runops_cp, &maxopenparen);
- PL_curpm = PL_reg_curpm;
+ regcp_restore(rex, runops_cp, &maxopenparen);
+ PL_curpm_under = PL_curpm;
+ PL_curpm = PL_reg_curpm;
if (logical != 2)
break;
rexi = RXi_GET(rex);
REGCP_UNWIND(ST.lastcp);
- regcppop(rex, &maxopenparen);
+ regcppop(rex, &maxopenparen);
cur_eval = ST.prev_eval;
cur_curlyx = ST.prev_curlyx;
rex->offs[n].start_tmp = locinput - reginfo->strbeg;
if (n > maxopenparen)
maxopenparen = n;
- DEBUG_BUFFERS_r(Perl_re_printf( aTHX_
- "rex=0x%"UVxf" offs=0x%"UVxf": \\%"UVuf": set %"IVdf" tmp; maxopenparen=%"UVuf"\n",
+ DEBUG_BUFFERS_r(Perl_re_exec_indentf( aTHX_
+ "rex=0x%" UVxf " offs=0x%" UVxf ": \\%" UVuf ": set %" IVdf " tmp; maxopenparen=%" UVuf "\n",
+ depth,
PTR2UV(rex),
PTR2UV(rex->offs),
(UV)n,
#define CLOSE_CAPTURE \
rex->offs[n].start = rex->offs[n].start_tmp; \
rex->offs[n].end = locinput - reginfo->strbeg; \
- DEBUG_BUFFERS_r(Perl_re_printf( aTHX_ \
- "rex=0x%"UVxf" offs=0x%"UVxf": \\%"UVuf": set %"IVdf"..%"IVdf"\n", \
+ DEBUG_BUFFERS_r(Perl_re_exec_indentf( aTHX_ \
+ "rex=0x%" UVxf " offs=0x%" UVxf ": \\%" UVuf ": set %" IVdf "..%" IVdf "\n", \
+ depth, \
PTR2UV(rex), \
PTR2UV(rex->offs), \
(UV)n, \
/* First just match a string of min A's. */
if (n < min) {
- ST.cp = regcppush(rex, cur_curlyx->u.curlyx.parenfloor,
- maxopenparen);
+ ST.cp = regcppush(rex, cur_curlyx->u.curlyx.parenfloor, maxopenparen);
cur_curlyx->u.curlyx.lastloc = locinput;
REGCP_SET(ST.lastcp);
DEBUG_EXECUTE_r( Perl_re_exec_indentf( aTHX_ "whilem: (cache) already tried at this position...\n",
depth)
);
+ cur_curlyx->u.curlyx.count--;
sayNO; /* cache records failure */
}
ST.cache_offset = offset;
if (cur_curlyx->u.curlyx.minmod) {
ST.save_curlyx = cur_curlyx;
cur_curlyx = cur_curlyx->u.curlyx.prev_curlyx;
- ST.cp = regcppush(rex, ST.save_curlyx->u.curlyx.parenfloor,
+ ST.cp = regcppush(rex, ST.save_curlyx->u.curlyx.parenfloor,
maxopenparen);
REGCP_SET(ST.lastcp);
PUSH_YES_STATE_GOTO(WHILEM_B_min, ST.save_curlyx->u.curlyx.B,
/* Prefer A over B for maximal matching. */
if (n < max) { /* More greed allowed? */
- ST.cp = regcppush(rex, cur_curlyx->u.curlyx.parenfloor,
+ ST.cp = regcppush(rex, cur_curlyx->u.curlyx.parenfloor,
maxopenparen);
cur_curlyx->u.curlyx.lastloc = locinput;
REGCP_SET(ST.lastcp);
/* FALLTHROUGH */
case WHILEM_A_pre_fail: /* just failed to match even minimal A */
REGCP_UNWIND(ST.lastcp);
- regcppop(rex, &maxopenparen);
+ regcppop(rex, &maxopenparen);
cur_curlyx->u.curlyx.lastloc = ST.save_lastloc;
cur_curlyx->u.curlyx.count--;
CACHEsayNO;
case WHILEM_A_max_fail: /* just failed to match A in a maximal match */
REGCP_UNWIND(ST.lastcp);
- regcppop(rex, &maxopenparen); /* Restore some previous $<digit>s? */
+ regcppop(rex, &maxopenparen); /* Restore some previous $<digit>s? */
DEBUG_EXECUTE_r(Perl_re_exec_indentf( aTHX_ "whilem: failed, trying continuation...\n",
depth)
);
case WHILEM_B_min_fail: /* just failed to match B in a minimal match */
cur_curlyx = ST.save_curlyx;
REGCP_UNWIND(ST.lastcp);
- regcppop(rex, &maxopenparen);
+ regcppop(rex, &maxopenparen);
if (cur_curlyx->u.curlyx.count >= /*max*/ARG2(cur_curlyx->u.curlyx.me)) {
/* Maximum greed exceeded */
);
/* Try grabbing another A and see if it helps. */
cur_curlyx->u.curlyx.lastloc = locinput;
- ST.cp = regcppush(rex, cur_curlyx->u.curlyx.parenfloor,
+ ST.cp = regcppush(rex, cur_curlyx->u.curlyx.parenfloor,
maxopenparen);
REGCP_SET(ST.lastcp);
PUSH_STATE_GOTO(WHILEM_A_min,
ST.count = ST.minmod ? ARG1(ST.me) : ARG2(ST.me);
}
DEBUG_EXECUTE_r(
- Perl_re_exec_indentf( aTHX_ "CURLYM now matched %"IVdf" times, len=%"IVdf"...\n",
+ Perl_re_exec_indentf( aTHX_ "CURLYM now matched %" IVdf " times, len=%" IVdf "...\n",
depth, (IV) ST.count, (IV)ST.alen)
);
}
DEBUG_EXECUTE_r(
- Perl_re_exec_indentf( aTHX_ "CURLYM trying tail with matches=%"IVdf"...\n",
+ Perl_re_exec_indentf( aTHX_ "CURLYM trying tail with matches=%" IVdf "...\n",
depth, (IV)ST.count)
);
if (! NEXTCHR_IS_EOS && ST.c1 != CHRTEST_VOID) {
{
/* simulate B failing */
DEBUG_OPTIMISE_r(
- Perl_re_exec_indentf( aTHX_ "CURLYM Fast bail next target=0x%"UVXf" c1=0x%"UVXf" c2=0x%"UVXf"\n",
+ Perl_re_exec_indentf( aTHX_ "CURLYM Fast bail next target=0x%" UVXf " c1=0x%" UVXf " c2=0x%" UVXf "\n",
depth,
valid_utf8_to_uvchr((U8 *) locinput, NULL),
valid_utf8_to_uvchr(ST.c1_utf8, NULL),
char *li = locinput;
minmod = 0;
if (ST.min &&
- regrepeat(rex, &li, ST.A, reginfo, ST.min, depth)
+ regrepeat(rex, &li, ST.A, reginfo, ST.min)
< ST.min)
sayNO;
SET_locinput(li);
/* avoid taking address of locinput, so it can remain
* a register var */
char *li = locinput;
- ST.count = regrepeat(rex, &li, ST.A, reginfo, ST.max, depth);
+ ST.count = regrepeat(rex, &li, ST.A, reginfo, ST.max);
if (ST.count < ST.min)
sayNO;
SET_locinput(li);
* locinput matches */
char *li = ST.oldloc;
ST.count += n;
- if (regrepeat(rex, &li, ST.A, reginfo, n, depth) < n)
+ if (regrepeat(rex, &li, ST.A, reginfo, n) < n)
sayNO;
assert(n == REG_INFTY || locinput == li);
}
/* failed -- move forward one */
{
char *li = locinput;
- if (!regrepeat(rex, &li, ST.A, reginfo, 1, depth)) {
+ if (!regrepeat(rex, &li, ST.A, reginfo, 1)) {
sayNO;
}
locinput = li;
st->u.eval.prev_rex = rex_sv; /* inner */
/* Save *all* the positions. */
- st->u.eval.cp = regcppush(rex, 0, maxopenparen);
+ st->u.eval.cp = regcppush(rex, 0, maxopenparen);
rex_sv = CUR_EVAL.prev_rex;
is_utf8_pat = reginfo->is_utf8_pat = cBOOL(RX_UTF8(rex_sv));
SET_reg_curpm(rex_sv);
/* Restore parens of the outer rex without popping the
* savestack */
- S_regcp_restore(aTHX_ rex, CUR_EVAL.lastcp,
- &maxopenparen);
+ regcp_restore(rex, CUR_EVAL.lastcp, &maxopenparen);
st->u.eval.prev_eval = cur_eval;
cur_eval = CUR_EVAL.prev_eval;
sv_commit = ST.mark_name;
DEBUG_EXECUTE_r({
- Perl_re_exec_indentf( aTHX_ "%ssetting cutpoint to mark:%"SVf"...%s\n",
+ Perl_re_exec_indentf( aTHX_ "%ssetting cutpoint to mark:%" SVf "...%s\n",
depth,
PL_colors[4], SVfARG(sv_commit), PL_colors[5]);
});
break;
default:
- PerlIO_printf(Perl_error_log, "%"UVxf" %d\n",
+ PerlIO_printf(Perl_error_log, "%" UVxf " %d\n",
PTR2UV(scan), OP(scan));
Perl_croak(aTHX_ "regexp memory corruption");
yes_state = st->u.yes.prev_yes_state;
state_num = st->resume_state + 1; /* failure = success + 1 */
+ PERL_ASYNC_CHECK();
goto reenter_switch;
}
result = 0;
*/
STATIC I32
S_regrepeat(pTHX_ regexp *prog, char **startposp, const regnode *p,
- regmatch_info *const reginfo, I32 max, int depth)
+ regmatch_info *const reginfo, I32 max _pDEPTH)
{
char *scan; /* Pointer to current position in target string */
I32 c;
unsigned int to_complement = 0; /* Invert the result? */
UV utf8_flags;
_char_class_number classnum;
-#ifndef DEBUGGING
- PERL_UNUSED_ARG(depth);
-#endif
PERL_ARGS_ASSERT_REGREPEAT;
scan += UTF8SKIP(scan);
hardcount++;
}
- } else {
- while (scan < loceol && REGINCLASS(prog, p, (U8*)scan, 0))
+ }
+ else if (ANYOF_FLAGS(p)) {
+ while (scan < loceol
+ && reginclass(prog, p, (U8*)scan, (U8*)scan+1, 0))
+ scan++;
+ }
+ else {
+ while (scan < loceol && ANYOF_BITMAP_TEST(p, *((U8*)scan)))
scan++;
}
break;
/* The complement of something that matches only ASCII matches all
* non-ASCII, plus everything in ASCII that isn't in the class. */
while (hardcount < max && scan < loceol
- && (! isASCII_utf8(scan)
+ && ( ! isASCII_utf8_safe(scan, reginfo->strend)
|| ! _generic_isCC_A((U8) *scan, FLAGS(p))))
{
scan += UTF8SKIP(scan);
case _CC_ENUM_SPACE:
while (hardcount < max
&& scan < loceol
- && (to_complement ^ cBOOL(isSPACE_utf8(scan))))
+ && (to_complement
+ ^ cBOOL(isSPACE_utf8_safe(scan, loceol))))
{
scan += UTF8SKIP(scan);
hardcount++;
case _CC_ENUM_BLANK:
while (hardcount < max
&& scan < loceol
- && (to_complement ^ cBOOL(isBLANK_utf8(scan))))
+ && (to_complement
+ ^ cBOOL(isBLANK_utf8_safe(scan, loceol))))
{
scan += UTF8SKIP(scan);
hardcount++;
case _CC_ENUM_XDIGIT:
while (hardcount < max
&& scan < loceol
- && (to_complement ^ cBOOL(isXDIGIT_utf8(scan))))
+ && (to_complement
+ ^ cBOOL(isXDIGIT_utf8_safe(scan, loceol))))
{
scan += UTF8SKIP(scan);
hardcount++;
case _CC_ENUM_VERTSPACE:
while (hardcount < max
&& scan < loceol
- && (to_complement ^ cBOOL(isVERTWS_utf8(scan))))
+ && (to_complement
+ ^ cBOOL(isVERTWS_utf8_safe(scan, loceol))))
{
scan += UTF8SKIP(scan);
hardcount++;
case _CC_ENUM_CNTRL:
while (hardcount < max
&& scan < loceol
- && (to_complement ^ cBOOL(isCNTRL_utf8(scan))))
+ && (to_complement
+ ^ cBOOL(isCNTRL_utf8_safe(scan, loceol))))
{
scan += UTF8SKIP(scan);
hardcount++;
}
while (hardcount < max && scan < loceol
- && to_complement ^ cBOOL(_generic_utf8(
+ && to_complement ^ cBOOL(_generic_utf8_safe(
classnum,
scan,
+ loceol,
swash_fetch(PL_utf8_swash_ptrs[classnum],
(U8 *) scan,
TRUE))))
DEBUG_EXECUTE_r({
SV * const prop = sv_newmortal();
regprop(prog, prop, p, reginfo, NULL);
- Perl_re_exec_indentf( aTHX_ "%s can match %"IVdf" times out of %"IVdf"...\n",
+ Perl_re_exec_indentf( aTHX_ "%s can match %" IVdf " times out of %" IVdf "...\n",
depth, SvPVX_const(prop),(IV)c,(IV)max);
});
});
* UTF8_IS_INVARIANT() works even if not in UTF-8 */
if (! UTF8_IS_INVARIANT(c) && utf8_target) {
STRLEN c_len = 0;
- c = utf8n_to_uvchr(p, p_end - p, &c_len,
- (UTF8_ALLOW_DEFAULT & UTF8_ALLOW_ANYUV)
- | UTF8_ALLOW_FFFF | UTF8_CHECK_ONLY);
- /* see [perl #37836] for UTF8_ALLOW_ANYUV; [perl #38293] for
- * UTF8_ALLOW_FFFF */
- if (c_len == (STRLEN)-1)
- Perl_croak(aTHX_ "Malformed UTF-8 character (fatal)");
+ const U32 utf8n_flags = UTF8_ALLOW_DEFAULT;
+ c = utf8n_to_uvchr(p, p_end - p, &c_len, utf8n_flags | UTF8_CHECK_ONLY);
+ if (c_len == (STRLEN)-1) {
+ _force_out_malformed_utf8_message(p, p_end,
+ utf8n_flags,
+ 1 /* 1 means die */ );
+ NOT_REACHED; /* NOTREACHED */
+ }
if (c > 255 && OP(n) == ANYOFL && ! ANYOFL_UTF8_LOCALE_REQD(flags)) {
_CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(c);
}
&& ckWARN_d(WARN_NON_UNICODE))
{
Perl_warner(aTHX_ packWARN(WARN_NON_UNICODE),
- "Matched non-Unicode code point 0x%04"UVXf" against Unicode property; may not be portable", c);
+ "Matched non-Unicode code point 0x%04" UVXf " against Unicode property; may not be portable", c);
}
}
* char pos */
STATIC U8 *
-S_reghopmaybe3(U8* s, SSize_t off, const U8* lim)
+S_reghopmaybe3(U8* s, SSize_t off, const U8* const lim)
{
PERL_ARGS_ASSERT_REGHOPMAYBE3;
}
SET_reg_curpm(reginfo->prog);
eval_state->curpm = PL_curpm;
+ PL_curpm_under = PL_curpm;
PL_curpm = PL_reg_curpm;
if (RXp_MATCH_COPIED(rex)) {
/* Here is a serious problem: we cannot rewrite subbeg,
return TRUE;
}
+bool
+Perl__is_grapheme(pTHX_ const U8 * strbeg, const U8 * s, const U8 * strend, const UV cp)
+{
+ /* Temporary helper function for toke.c. Verify that the code point 'cp'
+ * is a stand-alone grapheme. The UTF-8 for 'cp' begins at position 's' in
+ * the larger string bounded by 'strbeg' and 'strend'.
+ *
+ * 'cp' needs to be assigned (if not a future version of the Unicode
+ * Standard could make it something that combines with adjacent characters,
+ * so code using it would then break), and there has to be a GCB break
+ * before and after the character. */
+
+ GCB_enum cp_gcb_val, prev_cp_gcb_val, next_cp_gcb_val;
+ const U8 * prev_cp_start;
+
+ PERL_ARGS_ASSERT__IS_GRAPHEME;
+
+ /* Unassigned code points are forbidden */
+ if (UNLIKELY(! ELEMENT_RANGE_MATCHES_INVLIST(
+ _invlist_search(PL_Assigned_invlist, cp))))
+ {
+ return FALSE;
+ }
+
+ cp_gcb_val = getGCB_VAL_CP(cp);
+
+ /* Find the GCB value of the previous code point in the input */
+ prev_cp_start = utf8_hop_back(s, -1, strbeg);
+ if (UNLIKELY(prev_cp_start == s)) {
+ prev_cp_gcb_val = GCB_EDGE;
+ }
+ else {
+ prev_cp_gcb_val = getGCB_VAL_UTF8(prev_cp_start, strend);
+ }
+
+ /* And check that is a grapheme boundary */
+ if (! isGCB(prev_cp_gcb_val, cp_gcb_val, strbeg, s,
+ TRUE /* is UTF-8 encoded */ ))
+ {
+ return FALSE;
+ }
+
+ /* Similarly verify there is a break between the current character and the
+ * following one */
+ s += UTF8SKIP(s);
+ if (s >= strend) {
+ next_cp_gcb_val = GCB_EDGE;
+ }
+ else {
+ next_cp_gcb_val = getGCB_VAL_UTF8(s, strend);
+ }
+
+ return isGCB(cp_gcb_val, next_cp_gcb_val, strbeg, s, TRUE);
+}
+
+
+
+
/*
* ex: set ts=8 sts=4 sw=4 et:
*/
https://perl5.git.perl.org / perl5.git / blobdiff