p |OP* |ref |OP* o|I32 type
p |OP* |refkids |OP* o|I32 type
Ap |void |regdump |regexp* r
-Ap |SV* |regclass_swash |struct regnode *n|bool doinit|SV **initsvp
+Ap |SV* |regclass_swash |struct regnode *n|bool doinit|SV **listsvp|SV **altsvp
Ap |I32 |pregexec |regexp* prog|char* stringarg \
|char* strend|char* strbeg|I32 minend \
|SV* screamer|U32 nosave
s |I32 |regrepeat_hard |regnode *p|I32 max|I32 *lp
s |I32 |regtry |regexp *prog|char *startpos
s |bool |reginclass |regnode *n|U8 *p|bool do_utf8sv_is_utf8
+s |bool |reginclasslen |regnode *n|U8 *p|STRLEN *lenp|bool do_utf8sv_is_utf8
s |CHECKPOINT|regcppush |I32 parenfloor
s |char*|regcppop
s |char*|regcp_set_to |I32 ss
#define regrepeat_hard S_regrepeat_hard
#define regtry S_regtry
#define reginclass S_reginclass
+#define reginclasslen S_reginclasslen
#define regcppush S_regcppush
#define regcppop S_regcppop
#define regcp_set_to S_regcp_set_to
#define ref(a,b) Perl_ref(aTHX_ a,b)
#define refkids(a,b) Perl_refkids(aTHX_ a,b)
#define regdump(a) Perl_regdump(aTHX_ a)
-#define regclass_swash(a,b,c) Perl_regclass_swash(aTHX_ a,b,c)
+#define regclass_swash(a,b,c,d) Perl_regclass_swash(aTHX_ a,b,c,d)
#define pregexec(a,b,c,d,e,f,g) Perl_pregexec(aTHX_ a,b,c,d,e,f,g)
#define pregfree(a) Perl_pregfree(aTHX_ a)
#define pregcomp(a,b,c) Perl_pregcomp(aTHX_ a,b,c)
#define regrepeat_hard(a,b,c) S_regrepeat_hard(aTHX_ a,b,c)
#define regtry(a,b) S_regtry(aTHX_ a,b)
#define reginclass(a,b,c) S_reginclass(aTHX_ a,b,c)
+#define reginclasslen(a,b,c,d) S_reginclasslen(aTHX_ a,b,c,d)
#define regcppush(a) S_regcppush(aTHX_ a)
#define regcppop() S_regcppop(aTHX)
#define regcp_set_to(a) S_regcp_set_to(aTHX_ a)
#!./perl -w
+my $child;
+
BEGIN {
chdir 't' if -d 't';
@INC = '../lib';
!(($^O eq 'VMS') && $Config{d_socket})) {
print "1..0\n";
exit 0;
+ }
+
+ # Too many things in this test will hang forever if something is wrong,
+ # so we need a self destruct timer. And IO can hang despite an alarm.
+
+ # This is convoluted, but we must fork before Test::More, else child's
+ # Test::More thinks that it ran no tests, and prints a message to that
+ # effect
+ if( $Config{d_fork} ) {
+ my $parent = $$;
+ $child = fork;
+ die "Fork failed" unless defined $child;
+ if (!$child) {
+ $SIG{INT} = sub {exit 0}; # You have 60 seconds. Your time starts now.
+ my $must_finish_by = time + 60;
+ my $remaining;
+ while ($remaining = time - $must_finish_by) {
+ sleep $remaining;
+ }
+ warn "Something unexpectedly hung during testing";
+ kill "INT", $parent or die "Kill failed: $!";
+ exit 1;
+ }
}
}
-
+
use Socket;
use Test::More;
use strict;
if( !$Config{d_alarm} ) {
plan skip_all => "alarm() not implemented on this platform";
+} elsif( !$Config{d_fork} ) {
+ plan skip_all => "fork() not implemented on this platform";
} else {
# This should fail but not die if there is real socketpair
eval {socketpair LEFT, RIGHT, -1, -1, -1};
}
}
-# Too many things in this test will hang forever if something is wrong, so
-# we need a self destruct timer.
-$SIG{ALRM} = sub {die "Something unexpectedly hung during testing"};
-alarm(60);
+# But we'll install an alarm handler in case any of the races below fail.
+$SIG{ALRM} = sub {die "Unexpected alarm during testing"};
ok (socketpair (LEFT, RIGHT, AF_UNIX, SOCK_STREAM, PF_UNSPEC),
"socketpair (LEFT, RIGHT, AF_UNIX, SOCK_STREAM, PF_UNSPEC)")
is ($buffer, $expect, "content what we expected?");
ok (shutdown(LEFT, SHUT_WR), "shutdown left for writing");
-# This will hang forever if eof is buggy.
+# This will hang forever if eof is buggy, and alarm doesn't interrupt system
+# Calls. Hence the child process minder.
{
local $SIG{ALRM} = sub { warn "EOF on right took over 3 seconds" };
+ local $TODO = "Known problems with unix sockets on $^O" if $^O eq 'hpux';
alarm 3;
$! = 0;
ok (eof RIGHT, "right is at EOF");
ok (close LEFT, "close left");
ok (close RIGHT, "close right");
+
+kill "INT", $child or warn "Failed to kill child process $child: $!";
+exit 0;
PERL_CALLCONV OP* Perl_ref(pTHX_ OP* o, I32 type);
PERL_CALLCONV OP* Perl_refkids(pTHX_ OP* o, I32 type);
PERL_CALLCONV void Perl_regdump(pTHX_ regexp* r);
-PERL_CALLCONV SV* Perl_regclass_swash(pTHX_ struct regnode *n, bool doinit, SV **initsvp);
+PERL_CALLCONV SV* Perl_regclass_swash(pTHX_ struct regnode *n, bool doinit, SV **listsvp, SV **altsvp);
PERL_CALLCONV I32 Perl_pregexec(pTHX_ regexp* prog, char* stringarg, char* strend, char* strbeg, I32 minend, SV* screamer, U32 nosave);
PERL_CALLCONV void Perl_pregfree(pTHX_ struct regexp* r);
PERL_CALLCONV regexp* Perl_pregcomp(pTHX_ char* exp, char* xend, PMOP* pm);
STATIC I32 S_regrepeat_hard(pTHX_ regnode *p, I32 max, I32 *lp);
STATIC I32 S_regtry(pTHX_ regexp *prog, char *startpos);
STATIC bool S_reginclass(pTHX_ regnode *n, U8 *p, bool do_utf8sv_is_utf8);
+STATIC bool S_reginclasslen(pTHX_ regnode *n, U8 *p, STRLEN *lenp, bool do_utf8sv_is_utf8);
STATIC CHECKPOINT S_regcppush(pTHX_ I32 parenfloor);
STATIC char* S_regcppop(pTHX);
STATIC char* S_regcp_set_to(pTHX_ I32 ss);
SV *listsv = Nullsv;
register char *e;
UV n;
- bool optimize_invert = TRUE;
+ bool optimize_invert = TRUE;
+ AV* unicode_alternate = 0;
ret = reganode(pRExC_state, ANYOF, 0);
/* If folding and foldable and a single
* character, insert also the folded version
* to the charclass. */
- if (f != value && foldlen == UNISKIP(f))
- Perl_sv_catpvf(aTHX_ listsv, "%04"UVxf"\n", f);
+ if (f != value) {
+ if (foldlen == UNISKIP(f))
+ Perl_sv_catpvf(aTHX_ listsv,
+ "%04"UVxf"\n", f);
+ else {
+ /* Any multicharacter foldings
+ * require the following transform:
+ * [ABCDEF] -> (?:[ABCabcDEFd]|pq|rst)
+ * where E folds into "pq" and F folds
+ * into "rst", all other characters
+ * fold to single characters. */
+ SV *sv;
+
+ if (!unicode_alternate)
+ unicode_alternate = newAV();
+ sv = newSVpvn((char*)foldbuf, foldlen);
+ SvUTF8_on(sv);
+ av_push(unicode_alternate, sv);
+ }
+ }
/* If folding and the value is one of the Greek
* sigmas insert a few more sigmas to make the
* folding rules of the sigmas to work right.
* Note that not all the possible combinations
* are handled here: some of them are handled
- * handled by the standard folding rules, and
- * some of them (literal or EXACTF cases) are
- * handled during runtime in
- * regexec.c:S_find_byclass(). */
+ * by the standard folding rules, and some of
+ * them (literal or EXACTF cases) are handled
+ * during runtime in regexec.c:S_find_byclass(). */
if (value == UNICODE_GREEK_SMALL_LETTER_FINAL_SIGMA) {
Perl_sv_catpvf(aTHX_ listsv, "%04"UVxf"\n",
(UV)UNICODE_GREEK_CAPITAL_LETTER_SIGMA);
av_store(av, 0, listsv);
av_store(av, 1, NULL);
+ av_store(av, 2, (SV*)unicode_alternate);
rv = newRV_noinc((SV*)av);
n = add_data(pRExC_state, 1, "s");
RExC_rx->data->data[n] = (void*)rv;
{
SV *lv;
- SV *sw = regclass_swash(o, FALSE, &lv);
+ SV *sw = regclass_swash(o, FALSE, &lv, 0);
if (lv) {
if (sw) {
new_comppad = NULL;
break;
case 'n':
- break;
+ break;
default:
Perl_croak(aTHX_ "panic: regfree data code '%c'", r->data->what[n]);
}
* n - Root of op tree for (?{EVAL}) item
* o - Start op for (?{EVAL}) item
* p - Pad for (?{EVAL} item
- * s - swash for unicode-style character class
+ * s - swash for unicode-style character class, and the multicharacter
+ * strings resulting from casefolding the single-character entries
+ * in the character class
* 20010712 mjd@plover.com
* (Remember to update re_dup() and pregfree() if you add any items.)
*/
break;
case ANYOF:
if (do_utf8) {
- if (!reginclass(scan, (U8*)locinput, do_utf8))
+ STRLEN inclasslen = PL_regeol - locinput;
+
+ if (!reginclasslen(scan, (U8*)locinput, &inclasslen, do_utf8))
sayNO;
if (locinput >= PL_regeol)
sayNO;
- locinput += PL_utf8skip[nextchr];
+ locinput += inclasslen;
nextchr = UCHARAT(locinput);
}
else {
*/
SV *
-Perl_regclass_swash(pTHX_ register regnode* node, bool doinit, SV** initsvp)
+Perl_regclass_swash(pTHX_ register regnode* node, bool doinit, SV** listsvp, SV **altsvp)
{
- SV *sw = NULL;
- SV *si = NULL;
+ SV *sw = NULL;
+ SV *si = NULL;
+ SV *alt = NULL;
if (PL_regdata && PL_regdata->count) {
U32 n = ARG(node);
if (PL_regdata->what[n] == 's') {
SV *rv = (SV*)PL_regdata->data[n];
AV *av = (AV*)SvRV((SV*)rv);
- SV **a;
+ SV **a, **b;
- si = *av_fetch(av, 0, FALSE);
- a = av_fetch(av, 1, FALSE);
+ si = *av_fetch(av, 0, FALSE);
+ a = av_fetch(av, 1, FALSE);
+ b = av_fetch(av, 2, FALSE);
if (a)
sw = *a;
sw = swash_init("utf8", "", si, 1, 0);
(void)av_store(av, 1, sw);
}
+ if (b)
+ alt = *b;
}
}
- if (initsvp)
- *initsvp = si;
+ if (listsvp)
+ *listsvp = si;
+ if (altsvp)
+ *altsvp = alt;
return sw;
}
*/
STATIC bool
-S_reginclass(pTHX_ register regnode *n, register U8* p, register bool do_utf8)
+S_reginclasslen(pTHX_ register regnode *n, register U8* p, STRLEN* lenp, register bool do_utf8)
{
char flags = ANYOF_FLAGS(n);
bool match = FALSE;
UV c;
STRLEN len = 0;
+ STRLEN plen;
c = do_utf8 ? utf8_to_uvchr(p, &len) : *p;
+ plen = lenp ? *lenp : UNISKIP(c);
if (do_utf8 || (flags & ANYOF_UNICODE)) {
+ if (lenp)
+ *lenp = 0;
if (do_utf8 && !ANYOF_RUNTIME(n)) {
if (len != (STRLEN)-1 && c < 256 && ANYOF_BITMAP_TEST(n, c))
match = TRUE;
if (!match && do_utf8 && (flags & ANYOF_UNICODE_ALL) && c >= 256)
match = TRUE;
if (!match) {
- SV *sw = regclass_swash(n, TRUE, 0);
+ AV *av;
+ SV *sw = regclass_swash(n, TRUE, 0, (SV**)&av);
if (sw) {
if (swash_fetch(sw, p, do_utf8))
match = TRUE;
else if (flags & ANYOF_FOLD) {
- U8 foldbuf[UTF8_MAXLEN_FOLD+1];
- STRLEN foldlen;
-
- to_utf8_fold(p, foldbuf, &foldlen);
- if (swash_fetch(sw, foldbuf, do_utf8))
- match = TRUE;
- to_utf8_upper(p, foldbuf, &foldlen);
- if (swash_fetch(sw, foldbuf, do_utf8))
- match = TRUE;
+ U8 tmpbuf[UTF8_MAXLEN_FOLD+1];
+ STRLEN tmplen;
+
+ if (!match && lenp && av) {
+ I32 i;
+
+ for (i = 0; i <= av_len(av); i++) {
+ SV* sv = *av_fetch(av, i, FALSE);
+ STRLEN len;
+ char *s = SvPV(sv, len);
+
+ if (len <= plen && memEQ(s, p, len)) {
+ *lenp = len;
+ match = TRUE;
+ break;
+ }
+ }
+ }
+ if (!match) {
+ to_utf8_fold(p, tmpbuf, &tmplen);
+ if (swash_fetch(sw, tmpbuf, do_utf8))
+ match = TRUE;
+ }
+ if (!match) {
+ to_utf8_upper(p, tmpbuf, &tmplen);
+ if (swash_fetch(sw, tmpbuf, do_utf8))
+ match = TRUE;
+ }
}
}
}
+ if (match && lenp && *lenp == 0)
+ *lenp = UNISKIP(c);
}
if (!match && c < 256) {
if (ANYOF_BITMAP_TEST(n, c))
return (flags & ANYOF_INVERT) ? !match : match;
}
+STATIC bool
+S_reginclass(pTHX_ register regnode *n, register U8* p, register bool do_utf8)
+{
+ return S_reginclasslen(aTHX_ n, p, 0, do_utf8);
+}
+
STATIC U8 *
S_reghop(pTHX_ U8 *s, I32 off)
{