*/
/*
- * One Ring to rule them all, One Ring to find them
- &
+ * One Ring to rule them all, One Ring to find them
+ *
* [p.v of _The Lord of the Rings_, opening poem]
* [p.50 of _The Lord of the Rings_, I/iii: "The Shadow of the Past"]
* [p.254 of _The Lord of the Rings_, II/ii: "The Council of Elrond"]
#include "re_top.h"
#endif
-#define B_ON_NON_UTF8_LOCALE_IS_WRONG \
- "Use of \\b{} or \\B{} for non-UTF-8 locale is wrong. Assuming a UTF-8 locale"
-
/*
* pregcomp and pregexec -- regsub and regerror are not used in perl
*
# include "regcomp.h"
#endif
-#include "inline_invlist.c"
+#include "invlist_inline.h"
#include "unicode_constants.h"
+#define B_ON_NON_UTF8_LOCALE_IS_WRONG \
+ "Use of \\b{} or \\B{} for non-UTF-8 locale is wrong. Assuming a UTF-8 locale"
+
+static const char utf8_locale_required[] =
+ "Use of (?[ ]) for non-UTF-8 locale is wrong. Assuming a UTF-8 locale";
+
#ifdef DEBUGGING
/* At least one required character in the target string is expressible only in
* UTF-8. */
PL_utf8_swash_ptrs[_CC_WORDCHAR], \
"", \
PL_XPosix_ptrs[_CC_WORDCHAR], \
- LATIN_CAPITAL_LETTER_SHARP_S_UTF8);
+ LATIN_SMALL_LIGATURE_LONG_S_T_UTF8);
#define PLACEHOLDER /* Something for the preprocessor to grab onto */
/* TODO: Combine JUMPABLE and HAS_TEXT to cache OP(rn) */
}
else if (UTF8_IS_DOWNGRADEABLE_START(*character)) {
return isFOO_lc(classnum,
- TWO_BYTE_UTF8_TO_NATIVE(*character, *(character + 1)));
+ EIGHT_BIT_UTF8_TO_NATIVE(*character, *(character + 1)));
}
_CHECK_AND_OUTPUT_WIDE_LOCALE_UTF8_MSG(character, character + UTF8SKIP(character));
* caller will have set strpos=pos()-4; we look for the substr
* at position pos()-4+1, which lines up with the "a" */
- if (prog->check_offset_min == prog->check_offset_max
- && !(prog->intflags & PREGf_CANY_SEEN))
- {
+ if (prog->check_offset_min == prog->check_offset_max) {
/* Substring at constant offset from beg-of-str... */
SSize_t slen = SvCUR(check);
char *s = HOP3c(strpos, prog->check_offset_min, strend);
(IV)prog->check_end_shift);
});
- if (prog->intflags & PREGf_CANY_SEEN) {
- start_point= (U8*)(rx_origin + start_shift);
- end_point= (U8*)(strend - end_shift);
- if (start_point > end_point)
- goto fail_finish;
- } else {
- end_point = HOP3(strend, -end_shift, strbeg);
- start_point = HOPMAYBE3(rx_origin, start_shift, end_point);
- if (!start_point)
- goto fail_finish;
- }
+ end_point = HOP3(strend, -end_shift, strbeg);
+ start_point = HOPMAYBE3(rx_origin, start_shift, end_point);
+ if (!start_point)
+ goto fail_finish;
/* If the regex is absolutely anchored to either the start of the
* didn't contradict, so just retry the anchored "other"
* substr */
DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
- " Found /%s^%s/m, rescanning for anchored from offset %ld (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],
- (long)(rx_origin - strbeg + prog->anchored_offset),
- (long)(rx_origin - strbeg)
+ (IV)(rx_origin - strbeg + prog->anchored_offset),
+ (IV)(rx_origin - strbeg)
));
goto do_other_substr;
}
} else { \
uvc = _to_utf8_fold_flags( (const U8*) uc, foldbuf, &foldlen, flags); \
len = UTF8SKIP(uc); \
- skiplen = UNISKIP( uvc ); \
+ skiplen = UVCHR_SKIP( uvc ); \
foldlen -= skiplen; \
uscan = foldbuf + skiplen; \
} \
} else { \
len = 1; \
uvc = _to_fold_latin1( (U8) *uc, foldbuf, &foldlen, flags); \
- skiplen = UNISKIP( uvc ); \
+ skiplen = UVCHR_SKIP( uvc ); \
foldlen -= skiplen; \
uscan = foldbuf + skiplen; \
} \
#define getGCB_VAL_CP(cp) \
_generic_GET_BREAK_VAL_CP( \
PL_GCB_invlist, \
- Grapheme_Cluster_Break_invmap, \
+ _Perl_GCB_invmap, \
(cp))
/* Returns the GCB value for the first code point in the UTF-8 encoded string
#define getSB_VAL_CP(cp) \
_generic_GET_BREAK_VAL_CP( \
PL_SB_invlist, \
- Sentence_Break_invmap, \
+ _Perl_SB_invmap, \
(cp))
/* Returns the SB value for the first code point in the UTF-8 encoded string
#define getWB_VAL_CP(cp) \
_generic_GET_BREAK_VAL_CP( \
PL_WB_invlist, \
- Word_Break_invmap, \
+ _Perl_WB_invmap, \
(cp))
/* Returns the WB value for the first code point in the UTF-8 encoded string
switch (OP(c)) {
case ANYOFL:
_CHECK_AND_WARN_PROBLEMATIC_LOCALE;
+
+ if ((FLAGS(c) & ANYOF_LOC_REQ_UTF8) && ! IN_UTF8_CTYPE_LOCALE) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_LOCALE), utf8_locale_required);
+ }
+
/* FALLTHROUGH */
+ case ANYOFD:
case ANYOF:
if (utf8_target) {
REXEC_FBC_UTF8_CLASS_SCAN(
REXEC_FBC_CLASS_SCAN(REGINCLASS(prog, c, (U8*)s));
}
break;
- case CANY:
- REXEC_FBC_SCAN(
- if (tmp && (reginfo->intuit || regtry(reginfo, &s)))
- goto got_it;
- else
- tmp = doevery;
- );
- break;
case EXACTFA_NO_TRIE: /* This node only generated for non-utf8 patterns */
assert(! is_utf8_pat);
classnum)))
|| (UTF8_IS_DOWNGRADEABLE_START(*s)
&& to_complement ^ cBOOL(
- _generic_isCC(TWO_BYTE_UTF8_TO_NATIVE(*s,
+ _generic_isCC(EIGHT_BIT_UTF8_TO_NATIVE(*s,
*(s + 1)),
classnum))))
{
if (minlen) {
const OPCODE op = OP(progi->regstclass);
/* don't bother with what can't match */
- if (PL_regkind[op] != EXACT && op != CANY && PL_regkind[op] != TRIE)
+ if (PL_regkind[op] != EXACT && PL_regkind[op] != TRIE)
strend = HOPc(strend, -(minlen - 1));
}
DEBUG_EXECUTE_r({
if (pref0_len > pref_len)
pref0_len = pref_len;
{
- const int is_uni = (utf8_target && OP(scan) != CANY) ? 1 : 0;
+ const int is_uni = utf8_target ? 1 : 0;
RE_PV_COLOR_DECL(s0,len0,is_uni,PERL_DEBUG_PAD(0),
(locinput - pref_len),pref0_len, 60, 4, 5);
return FALSE;
}
- /* SB7. Upper ATerm × Upper */
+ /* SB7. (Upper | Lower) ATerm × Upper */
if (before == SB_ATerm && after == SB_Upper) {
temp_pos = lpos;
- if (SB_Upper == backup_one_SB(strbeg, &temp_pos, utf8_target)) {
+ backup = backup_one_SB(strbeg, &temp_pos, utf8_target);
+ if (backup == SB_Upper || backup == SB_Lower) {
return FALSE;
}
}
sayNO;
goto increment_locinput;
- case CANY: /* \C */
- if (NEXTCHR_IS_EOS)
- sayNO;
- locinput++;
- break;
-
case REG_ANY: /* /./ */
if ((NEXTCHR_IS_EOS) || nextchr == '\n')
sayNO;
l++;
}
else {
- if (TWO_BYTE_UTF8_TO_NATIVE(*l, *(l+1)) != * (U8*) s)
+ if (EIGHT_BIT_UTF8_TO_NATIVE(*l, *(l+1)) != * (U8*) s)
{
sayNO;
}
s++;
}
else {
- if (TWO_BYTE_UTF8_TO_NATIVE(*s, *(s+1)) != * (U8*) l)
+ if (EIGHT_BIT_UTF8_TO_NATIVE(*s, *(s+1)) != * (U8*) l)
{
sayNO;
}
/* FALLTHROUGH */
case BOUNDL: /* /\b/l */
+ {
+ bool b1, b2;
_CHECK_AND_WARN_PROBLEMATIC_LOCALE;
if (FLAGS(scan) != TRADITIONAL_BOUND) {
if (utf8_target) {
if (locinput == reginfo->strbeg)
- ln = isWORDCHAR_LC('\n');
+ b1 = isWORDCHAR_LC('\n');
else {
- ln = isWORDCHAR_LC_utf8(reghop3((U8*)locinput, -1,
+ b1 = isWORDCHAR_LC_utf8(reghop3((U8*)locinput, -1,
(U8*)(reginfo->strbeg)));
}
- n = (NEXTCHR_IS_EOS)
+ b2 = (NEXTCHR_IS_EOS)
? isWORDCHAR_LC('\n')
: isWORDCHAR_LC_utf8((U8*)locinput);
}
else { /* Here the string isn't utf8 */
- ln = (locinput == reginfo->strbeg)
+ b1 = (locinput == reginfo->strbeg)
? isWORDCHAR_LC('\n')
: isWORDCHAR_LC(UCHARAT(locinput - 1));
- n = (NEXTCHR_IS_EOS)
+ b2 = (NEXTCHR_IS_EOS)
? isWORDCHAR_LC('\n')
: isWORDCHAR_LC(nextchr);
}
- if (to_complement ^ (ln == n)) {
+ if (to_complement ^ (b1 == b2)) {
sayNO;
}
break;
+ }
case NBOUND: /* /\B/ */
to_complement = 1;
/* FALLTHROUGH */
case BOUNDA: /* /\b/a */
+ {
+ bool b1, b2;
bound_ascii_match_only:
/* Here the string isn't utf8, or is utf8 and only ascii characters
* 2) it is a multi-byte character, in which case the final byte is
* never mistakable for ASCII, and so the test will say it is
* not a word character, which is the correct answer. */
- ln = (locinput == reginfo->strbeg)
+ b1 = (locinput == reginfo->strbeg)
? isWORDCHAR_A('\n')
: isWORDCHAR_A(UCHARAT(locinput - 1));
- n = (NEXTCHR_IS_EOS)
+ b2 = (NEXTCHR_IS_EOS)
? isWORDCHAR_A('\n')
: isWORDCHAR_A(nextchr);
- if (to_complement ^ (ln == n)) {
+ if (to_complement ^ (b1 == b2)) {
sayNO;
}
break;
+ }
case NBOUNDU: /* /\B/u */
to_complement = 1;
bound_utf8:
switch((bound_type) FLAGS(scan)) {
case TRADITIONAL_BOUND:
- ln = (locinput == reginfo->strbeg)
+ {
+ bool b1, b2;
+ b1 = (locinput == reginfo->strbeg)
? 0 /* isWORDCHAR_L1('\n') */
: isWORDCHAR_utf8(reghop3((U8*)locinput, -1,
(U8*)(reginfo->strbeg)));
- n = (NEXTCHR_IS_EOS)
+ b2 = (NEXTCHR_IS_EOS)
? 0 /* isWORDCHAR_L1('\n') */
: isWORDCHAR_utf8((U8*)locinput);
- match = cBOOL(ln != n);
+ match = cBOOL(b1 != b2);
break;
+ }
case GCB_BOUND:
if (locinput == reginfo->strbeg || NEXTCHR_IS_EOS) {
match = TRUE; /* GCB always matches at begin and
else { /* Not utf8 target */
switch((bound_type) FLAGS(scan)) {
case TRADITIONAL_BOUND:
- ln = (locinput == reginfo->strbeg)
+ {
+ bool b1, b2;
+ b1 = (locinput == reginfo->strbeg)
? 0 /* isWORDCHAR_L1('\n') */
: isWORDCHAR_L1(UCHARAT(locinput - 1));
- n = (NEXTCHR_IS_EOS)
+ b2 = (NEXTCHR_IS_EOS)
? 0 /* isWORDCHAR_L1('\n') */
: isWORDCHAR_L1(nextchr);
- match = cBOOL(ln != n);
+ match = cBOOL(b1 != b2);
break;
+ }
case GCB_BOUND:
if (locinput == reginfo->strbeg || NEXTCHR_IS_EOS) {
case ANYOFL: /* /[abc]/l */
_CHECK_AND_WARN_PROBLEMATIC_LOCALE;
+
+ if ((FLAGS(scan) & ANYOF_LOC_REQ_UTF8) && ! IN_UTF8_CTYPE_LOCALE)
+ {
+ Perl_ck_warner(aTHX_ packWARN(WARN_LOCALE), utf8_locale_required);
+ }
/* FALLTHROUGH */
+ case ANYOFD: /* /[abc]/d */
case ANYOF: /* /[abc]/ */
if (NEXTCHR_IS_EOS)
sayNO;
}
else if (UTF8_IS_DOWNGRADEABLE_START(nextchr)) {
if (! (to_complement ^ cBOOL(isFOO_lc(FLAGS(scan),
- (U8) TWO_BYTE_UTF8_TO_NATIVE(nextchr,
+ (U8) EIGHT_BIT_UTF8_TO_NATIVE(nextchr,
*(locinput + 1))))))
{
sayNO;
}
else if (UTF8_IS_DOWNGRADEABLE_START(nextchr)) {
if (! (to_complement
- ^ cBOOL(_generic_isCC(TWO_BYTE_UTF8_TO_NATIVE(nextchr,
+ ^ cBOOL(_generic_isCC(EIGHT_BIT_UTF8_TO_NATIVE(nextchr,
*(locinput + 1)),
FLAGS(scan)))))
{
break;
case ACCEPT: /* (*ACCEPT) */
- if (ARG(scan)){
+ if (scan->flags)
+ sv_yes_mark = MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
+ if (ARG2L(scan)){
regnode *cursor;
for (cursor=scan;
cursor && OP(cursor)!=END;
NOT_REACHED; /* NOTREACHED */
case CUTGROUP: /* /(*THEN)/ */
- sv_yes_mark = st->u.mark.mark_name = scan->flags ? NULL :
- MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
+ sv_yes_mark = st->u.mark.mark_name = scan->flags
+ ? MUTABLE_SV(rexi->data->data[ ARG( scan ) ])
+ : NULL;
PUSH_STATE_GOTO(CUTGROUP_next, next, locinput);
/* NOTREACHED */
NOT_REACHED; /* NOTREACHED */
/* FALLTHROUGH */
case PRUNE: /* (*PRUNE) */
- if (!scan->flags)
+ if (scan->flags)
sv_yes_mark = sv_commit = MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
PUSH_STATE_GOTO(COMMIT_next, next, locinput);
/* NOTREACHED */
case COMMIT_next_fail:
no_final = 1;
/* FALLTHROUGH */
+ sayNO;
+ NOT_REACHED; /* NOTREACHED */
case OPFAIL: /* (*FAIL) */
- sayNO;
+ if (scan->flags)
+ sv_commit = MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
+ if (logical) {
+ /* deal with (?(?!)X|Y) properly,
+ * make sure we trigger the no branch
+ * of the trailing IFTHEN structure*/
+ sw= 0;
+ break;
+ } else {
+ sayNO;
+ }
/* NOTREACHED */
NOT_REACHED; /* NOTREACHED */
NOT_REACHED; /* NOTREACHED */
case SKIP: /* (*SKIP) */
- if (scan->flags) {
+ if (!scan->flags) {
/* (*SKIP) : if we fail we cut here*/
ST.mark_name = NULL;
ST.mark_loc = locinput;
else
scan = loceol;
break;
- case CANY: /* Move <scan> forward <max> bytes, unless goes off end */
- if (utf8_target && loceol - scan > max) {
-
- /* <loceol> hadn't been adjusted in the UTF-8 case */
- scan += max;
- }
- else {
- scan = loceol;
- }
- break;
case EXACTL:
_CHECK_AND_WARN_PROBLEMATIC_LOCALE;
if (utf8_target && UTF8_IS_ABOVE_LATIN1(*scan)) {
/* Target isn't utf8; convert the character in the UTF-8
* pattern to non-UTF8, and do a simple loop */
- c = TWO_BYTE_UTF8_TO_NATIVE(c, *(STRING(p) + 1));
+ c = EIGHT_BIT_UTF8_TO_NATIVE(c, *(STRING(p) + 1));
while (scan < loceol && UCHARAT(scan) == c) {
scan++;
}
}
case ANYOFL:
_CHECK_AND_WARN_PROBLEMATIC_LOCALE;
+
+ if ((FLAGS(p) & ANYOF_LOC_REQ_UTF8) && ! IN_UTF8_CTYPE_LOCALE) {
+ Perl_ck_warner(aTHX_ packWARN(WARN_LOCALE), utf8_locale_required);
+ }
/* FALLTHROUGH */
+ case ANYOFD:
case ANYOF:
if (utf8_target) {
while (hardcount < max
}
else if (UTF8_IS_DOWNGRADEABLE_START(*scan)) {
if (! (to_complement
- ^ cBOOL(_generic_isCC(TWO_BYTE_UTF8_TO_NATIVE(*scan,
+ ^ cBOOL(_generic_isCC(EIGHT_BIT_UTF8_TO_NATIVE(*scan,
*(scan + 1)),
classnum))))
{
* UTF8_ALLOW_FFFF */
if (c_len == (STRLEN)-1)
Perl_croak(aTHX_ "Malformed UTF-8 character (fatal)");
- if (c > 255 && OP(n) == ANYOFL && ! is_ANYOF_SYNTHETIC(n)) {
+ if (c > 255 && OP(n) == ANYOFL && ! (flags & ANYOF_LOC_REQ_UTF8)) {
_CHECK_AND_OUTPUT_WIDE_LOCALE_CP_MSG(c);
}
}
if (c < NUM_ANYOF_CODE_POINTS) {
if (ANYOF_BITMAP_TEST(n, c))
match = TRUE;
- else if ((flags & ANYOF_MATCHES_ALL_NON_UTF8_NON_ASCII)
+ else if ((flags
+ & ANYOF_SHARED_d_MATCHES_ALL_NON_UTF8_NON_ASCII_non_d_WARN_SUPER)
+ && OP(n) == ANYOFD
&& ! utf8_target
&& ! isASCII(c))
{
}
if (UNICODE_IS_SUPER(c)
- && (flags & ANYOF_WARN_SUPER)
+ && (flags
+ & ANYOF_SHARED_d_MATCHES_ALL_NON_UTF8_NON_ASCII_non_d_WARN_SUPER)
+ && OP(n) != ANYOFD
&& ckWARN_d(WARN_NON_UNICODE))
{
Perl_warner(aTHX_ packWARN(WARN_NON_UNICODE),
if (UTF8_IS_CONTINUED(*s)) {
while (s > lim && UTF8_IS_CONTINUATION(*s))
s--;
+ if (! UTF8_IS_START(*s)) {
+ Perl_croak_nocontext("Malformed UTF-8 character (fatal)");
+ }
}
/* XXX could check well-formedness here */
}
if (UTF8_IS_CONTINUED(*s)) {
while (s > llim && UTF8_IS_CONTINUATION(*s))
s--;
+ if (! UTF8_IS_START(*s)) {
+ Perl_croak_nocontext("Malformed UTF-8 character (fatal)");
+ }
}
/* XXX could check well-formedness here */
}
if (UTF8_IS_CONTINUED(*s)) {
while (s > lim && UTF8_IS_CONTINUATION(*s))
s--;
+ if (! UTF8_IS_START(*s)) {
+ Perl_croak_nocontext("Malformed UTF-8 character (fatal)");
+ }
}
/* XXX could check well-formedness here */
}
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