*
**** Alterations to Henry's code are...
****
- **** Copyright (c) 1991-1999, Larry Wall
+ **** Copyright (c) 1991-2000, Larry Wall
****
**** You may distribute under the terms of either the GNU General Public
**** License or the Artistic License, as specified in the README file.
STATIC void
S_cl_init(pTHX_ struct regnode_charclass_class *cl)
{
+ Zero(cl, 1, struct regnode_charclass_class);
cl->type = ANYOF;
cl_anything(cl);
}
STATIC void
S_cl_init_zero(pTHX_ struct regnode_charclass_class *cl)
{
+ Zero(cl, 1, struct regnode_charclass_class);
cl->type = ANYOF;
cl_anything(cl);
- ANYOF_CLASS_ZERO(cl);
- ANYOF_BITMAP_ZERO(cl);
if (LOC)
cl->flags |= ANYOF_LOCALE;
}
}
}
else if (flags & SCF_DO_STCLASS_AND) {
- cl_and(data->start_class, &accum);
- if (min1)
+ if (min1) {
+ cl_and(data->start_class, &accum);
flags &= ~SCF_DO_STCLASS;
+ }
+ else {
+ /* Switch to OR mode: cache the old value of
+ * data->start_class */
+ StructCopy(data->start_class, &and_with,
+ struct regnode_charclass_class);
+ flags &= ~SCF_DO_STCLASS_AND;
+ StructCopy(&accum, data->start_class,
+ struct regnode_charclass_class);
+ flags |= SCF_DO_STCLASS_OR;
+ data->start_class->flags |= ANYOF_EOS;
+ }
}
}
else if (code == BRANCHJ) /* single branch is optimized. */
}
if (!scan) /* It was not CURLYX, but CURLY. */
scan = next;
- if (ckWARN(WARN_UNSAFE) && (minnext + deltanext == 0)
+ if (ckWARN(WARN_REGEXP) && (minnext + deltanext == 0)
&& !(data->flags & (SF_HAS_PAR|SF_IN_PAR))
&& maxcount <= REG_INFTY/3) /* Complement check for big count */
- Perl_warner(aTHX_ WARN_UNSAFE,
+ Perl_warner(aTHX_ WARN_REGEXP,
"Strange *+?{} on zero-length expression");
min += minnext * mincount;
is_inf_internal |= (maxcount == REG_INFTY
if (exp == NULL)
FAIL("NULL regexp argument");
- if (PL_curcop == &PL_compiling ? (PL_hints & HINT_UTF8) : IN_UTF8)
+ if (pm->op_pmdynflags & PMdf_UTF8) {
PL_reg_flags |= RF_utf8;
+ }
else
PL_reg_flags = 0;
char, regexp);
if (r == NULL)
FAIL("regexp out of space");
+#ifdef DEBUGGING
+ /* avoid reading uninitialized memory in DEBUGGING code in study_chunk() */
+ Zero(r, sizeof(regexp) + (unsigned)PL_regsize * sizeof(regnode), char);
+#endif
r->refcnt = 1;
r->prelen = xend - exp;
r->precomp = PL_regprecomp;
r->reganch &= ~ROPT_SKIP; /* Used in find_byclass(). */
DEBUG_r((sv = sv_newmortal(),
regprop(sv, (regnode*)data.start_class),
- PerlIO_printf(Perl_debug_log, "synthetic stclass.\n",
+ PerlIO_printf(Perl_debug_log, "synthetic stclass `%s'.\n",
SvPVX(sv))));
}
r->reganch &= ~ROPT_SKIP; /* Used in find_byclass(). */
DEBUG_r((sv = sv_newmortal(),
regprop(sv, (regnode*)data.start_class),
- PerlIO_printf(Perl_debug_log, "synthetic stclass.\n",
+ PerlIO_printf(Perl_debug_log, "synthetic stclass `%s'.\n",
SvPVX(sv))));
}
}
goto do_curly;
}
nest_check:
- if (ckWARN(WARN_UNSAFE) && !SIZE_ONLY && !(flags&HASWIDTH) && max > REG_INFTY/3) {
- Perl_warner(aTHX_ WARN_UNSAFE, "%.*s matches null string many times",
+ if (ckWARN(WARN_REGEXP) && !SIZE_ONLY && !(flags&HASWIDTH) && max > REG_INFTY/3) {
+ Perl_warner(aTHX_ WARN_REGEXP, "%.*s matches null string many times",
PL_regcomp_parse - origparse, origparse);
}
p++;
break;
case 'e':
- ender = '\033';
+#ifdef ASCIIish
+ ender = '\033';
+#else
+ ender = '\047';
+#endif
p++;
break;
case 'a':
- ender = '\007';
+#ifdef ASCIIish
+ ender = '\007';
+#else
+ ender = '\057';
+#endif
p++;
break;
case 'x':
FAIL("trailing \\ in regexp");
/* FALL THROUGH */
default:
- if (!SIZE_ONLY && ckWARN(WARN_UNSAFE) && isALPHA(*p))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (!SIZE_ONLY && ckWARN(WARN_REGEXP) && isALPHA(*p))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: Unrecognized escape \\%c passed through",
PL_regprecomp,
*p);
posixcc[skip + 1] == ']'))))
Perl_croak(aTHX_ "Character class [:%.*s:] unknown",
t - s - 1, s + 1);
- } else if (ckWARN(WARN_UNSAFE) && !SIZE_ONLY)
+ } else if (ckWARN(WARN_REGEXP) && !SIZE_ONLY)
/* [[=foo=]] and [[.foo.]] are still future. */
- Perl_warner(aTHX_ WARN_UNSAFE,
+ Perl_warner(aTHX_ WARN_REGEXP,
"Character class syntax [%c %c] is reserved for future extensions", c, c);
} else {
/* Maternal grandfather:
STATIC void
S_checkposixcc(pTHX)
{
- if (!SIZE_ONLY && ckWARN(WARN_UNSAFE) &&
+ if (!SIZE_ONLY && ckWARN(WARN_REGEXP) &&
(*PL_regcomp_parse == ':' ||
*PL_regcomp_parse == '=' ||
*PL_regcomp_parse == '.')) {
while(*s && isALNUM(*s))
s++;
if (*s && c == *s && s[1] == ']') {
- Perl_warner(aTHX_ WARN_UNSAFE,
+ Perl_warner(aTHX_ WARN_REGEXP,
"Character class syntax [%c %c] belongs inside character classes", c, c);
if (c == '=' || c == '.')
- Perl_warner(aTHX_ WARN_UNSAFE,
+ Perl_warner(aTHX_ WARN_REGEXP,
"Character class syntax [%c %c] is reserved for future extensions", c, c);
}
}
ANYOF_FLAGS(ret) |= ANYOF_INVERT;
}
- if (!SIZE_ONLY && ckWARN(WARN_UNSAFE))
+ if (!SIZE_ONLY && ckWARN(WARN_REGEXP))
checkposixcc();
if (*PL_regcomp_parse == ']' || *PL_regcomp_parse == '-')
case 't': value = '\t'; break;
case 'f': value = '\f'; break;
case 'b': value = '\b'; break;
+#ifdef ASCIIish
case 'e': value = '\033'; break;
case 'a': value = '\007'; break;
+#else
+ case 'e': value = '\047'; break;
+ case 'a': value = '\057'; break;
+#endif
case 'x':
value = (UV)scan_hex(PL_regcomp_parse, 2, &numlen);
PL_regcomp_parse += numlen;
PL_regcomp_parse += numlen;
break;
default:
- if (!SIZE_ONLY && ckWARN(WARN_UNSAFE) && isALPHA(value))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (!SIZE_ONLY && ckWARN(WARN_REGEXP) && isALPHA(value))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: Unrecognized escape \\%c in character class passed through",
PL_regprecomp,
(int)value);
need_class = 1;
if (range) { /* a-\d, a-[:digit:] */
if (!SIZE_ONLY) {
- if (ckWARN(WARN_UNSAFE))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (ckWARN(WARN_REGEXP))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: false [] range \"%*.*s\" in regexp",
PL_regprecomp,
PL_regcomp_parse - rangebegin,
PL_regcomp_parse[1] != ']') {
PL_regcomp_parse++;
if (namedclass > OOB_NAMEDCLASS) { /* \w-, [:word:]- */
- if (ckWARN(WARN_UNSAFE))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (ckWARN(WARN_REGEXP))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: false [] range \"%*.*s\" in regexp",
PL_regprecomp,
PL_regcomp_parse - rangebegin,
listsv = newSVpvn("# comment\n",10);
}
- if (!SIZE_ONLY && ckWARN(WARN_UNSAFE))
+ if (!SIZE_ONLY && ckWARN(WARN_REGEXP))
checkposixcc();
if (*PL_regcomp_parse == ']' || *PL_regcomp_parse == '-')
if (!SIZE_ONLY) {
if (value == 'p')
Perl_sv_catpvf(aTHX_ listsv,
- "+utf8::%.*s\n", n, PL_regcomp_parse);
+ "+utf8::%.*s\n", (int)n, PL_regcomp_parse);
else
Perl_sv_catpvf(aTHX_ listsv,
- "!utf8::%.*s\n", n, PL_regcomp_parse);
+ "!utf8::%.*s\n", (int)n, PL_regcomp_parse);
}
PL_regcomp_parse = e + 1;
lastvalue = OOB_UTF8;
case 't': value = '\t'; break;
case 'f': value = '\f'; break;
case 'b': value = '\b'; break;
+#ifdef ASCIIish
case 'e': value = '\033'; break;
case 'a': value = '\007'; break;
+#else
+ case 'e': value = '\047'; break;
+ case 'a': value = '\057'; break;
+#endif
case 'x':
if (*PL_regcomp_parse == '{') {
e = strchr(PL_regcomp_parse++, '}');
PL_regcomp_parse += numlen;
break;
default:
- if (!SIZE_ONLY && ckWARN(WARN_UNSAFE) && isALPHA(value))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (!SIZE_ONLY && ckWARN(WARN_REGEXP) && isALPHA(value))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: Unrecognized escape \\%c in character class passed through",
PL_regprecomp,
(int)value);
if (namedclass > OOB_NAMEDCLASS) {
if (range) { /* a-\d, a-[:digit:] */
if (!SIZE_ONLY) {
- if (ckWARN(WARN_UNSAFE))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (ckWARN(WARN_REGEXP))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: false [] range \"%*.*s\" in regexp",
PL_regprecomp,
PL_regcomp_parse - rangebegin,
PL_regcomp_parse[1] != ']') {
PL_regcomp_parse++;
if (namedclass > OOB_NAMEDCLASS) { /* \w-, [:word:]- */
- if (ckWARN(WARN_UNSAFE))
- Perl_warner(aTHX_ WARN_UNSAFE,
+ if (ckWARN(WARN_REGEXP))
+ Perl_warner(aTHX_ WARN_REGEXP,
"/%.127s/: false [] range \"%*.*s\" in regexp",
PL_regprecomp,
PL_regcomp_parse - rangebegin,
{
dTHR;
if (SIZE_ONLY) {
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
*lenp = uv_to_utf8(tmpbuf, uv) - tmpbuf;
}
else
else if (k == WHILEM && o->flags) /* Ordinal/of */
Perl_sv_catpvf(aTHX_ sv, "[%d/%d]", o->flags & 0xf, o->flags>>4);
else if (k == REF || k == OPEN || k == CLOSE || k == GROUPP )
- Perl_sv_catpvf(aTHX_ sv, "%d", ARG(o)); /* Parenth number */
+ Perl_sv_catpvf(aTHX_ sv, "%d", (int)ARG(o)); /* Parenth number */
else if (k == LOGICAL)
Perl_sv_catpvf(aTHX_ sv, "[%d]", o->flags); /* 2: embedded, otherwise 1 */
else if (k == ANYOF) {
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