/* *These* symbols are masked to allow static link. */
# define Perl_pregfree my_regfree
# define Perl_regnext my_regnext
+# define Perl_save_re_context my_save_re_context
#endif
/*SUPPRESS 112*/
regnode *scan = *scanp, *next;
I32 delta = 0;
int is_inf = (flags & SCF_DO_SUBSTR) && (data->flags & SF_IS_INF);
+ int is_inf_internal = 0; /* The studied chunk is infinite */
I32 is_par = OP(scan) == OPEN ? ARG(scan) : 0;
scan_data_t data_fake;
if (max1 < minnext + deltanext)
max1 = minnext + deltanext;
if (deltanext == I32_MAX)
- is_inf = 1;
+ is_inf = is_inf_internal = 1;
scan = next;
if (data_fake.flags & (SF_HAS_PAR|SF_IN_PAR))
pars++;
min++;
/* Fall through. */
case STAR:
- is_inf = 1;
+ is_inf = is_inf_internal = 1;
scan = regnext(scan);
if (flags & SCF_DO_SUBSTR) {
scan_commit(data);
? (flags & ~SCF_DO_SUBSTR) : flags);
if (!scan) /* It was not CURLYX, but CURLY. */
scan = next;
- if (PL_dowarn && (minnext + deltanext == 0)
+ if (ckWARN(WARN_UNSAFE) && (minnext + deltanext == 0)
&& !(data->flags & (SF_HAS_PAR|SF_IN_PAR))
- && maxcount <= 10000) /* Complement check for big count */
- warn("Strange *+?{} on zero-length expression");
+ && maxcount <= REG_INFTY/3) /* Complement check for big count */
+ warner(WARN_UNSAFE, "Strange *+?{} on zero-length expression");
min += minnext * mincount;
- is_inf |= (maxcount == REG_INFTY && (minnext + deltanext) > 0
- || deltanext == I32_MAX);
+ is_inf_internal |= (maxcount == REG_INFTY
+ && (minnext + deltanext) > 0
+ || deltanext == I32_MAX);
+ is_inf |= is_inf_internal;
delta += (minnext + deltanext) * maxcount - minnext * mincount;
/* Try powerful optimization CURLYX => CURLYN. */
}
data->longest = &(data->longest_float);
}
+ SvREFCNT_dec(last_str);
}
if (data && (fl & SF_HAS_EVAL))
data->flags |= SF_HAS_EVAL;
scan_commit(data);
data->longest = &(data->longest_float);
}
- is_inf = 1;
+ is_inf = is_inf_internal = 1;
break;
}
}
if (data)
data->flags |= SF_HAS_EVAL;
}
+ else if (OP(scan) == LOGICAL && scan->flags == 2) { /* Embedded */
+ if (flags & SCF_DO_SUBSTR) {
+ scan_commit(data);
+ data->longest = &(data->longest_float);
+ }
+ is_inf = is_inf_internal = 1;
+ }
/* Else: zero-length, ignore. */
scan = regnext(scan);
}
finish:
*scanp = scan;
- *deltap = is_inf ? I32_MAX : delta;
+ *deltap = is_inf_internal ? I32_MAX : delta;
if (flags & SCF_DO_SUBSTR && is_inf)
data->pos_delta = I32_MAX - data->pos_min;
if (is_par > U8_MAX)
if (exp == NULL)
FAIL("NULL regexp argument");
- if (PL_curcop == &compiling ? (PL_hints & HINT_UTF8) : IN_UTF8)
+ if (PL_curcop == &PL_compiling ? (PL_hints & HINT_UTF8) : IN_UTF8)
PL_reg_flags |= RF_utf8;
else
PL_reg_flags = 0;
PL_regprecomp = savepvn(exp, xend - exp);
- DEBUG_r(PerlIO_printf(Perl_debug_log, "compiling RE `%*s'\n",
- xend - exp, PL_regprecomp));
+ DEBUG_r(
+ if (!PL_colorset) {
+ int i = 0;
+ char *s = PerlEnv_getenv("PERL_RE_COLORS");
+
+ if (s) {
+ PL_colors[0] = s = savepv(s);
+ while (++i < 6) {
+ s = strchr(s, '\t');
+ if (s) {
+ *s = '\0';
+ PL_colors[i] = ++s;
+ }
+ else
+ PL_colors[i] = "";
+ }
+ } else {
+ while (i < 6)
+ PL_colors[i++] = "";
+ }
+ PL_colorset = 1;
+ }
+ );
+ DEBUG_r(PerlIO_printf(Perl_debug_log, "%sCompiling%s RE `%s%*s%s'\n",
+ PL_colors[4],PL_colors[5],PL_colors[0],
+ xend - exp, PL_regprecomp, PL_colors[1]));
PL_regflags = pm->op_pmflags;
PL_regsawback = 0;
}
DEBUG_r(PerlIO_printf(Perl_debug_log, "size %d ", PL_regsize));
- DEBUG_r(
- if (!PL_colorset) {
- int i = 0;
- char *s = PerlEnv_getenv("TERMCAP_COLORS");
-
- PL_colorset = 1;
- if (s) {
- PL_colors[0] = s = savepv(s);
- while (++i < 4) {
- s = strchr(s, '\t');
- if (!s)
- FAIL("Not enough TABs in TERMCAP_COLORS");
- *s = '\0';
- PL_colors[i] = ++s;
- }
- }
- else {
- while (i < 4)
- PL_colors[i++] = "";
- }
- /* Reset colors: */
- PerlIO_printf(Perl_debug_log, "%s%s%s%s",
- PL_colors[0],PL_colors[1],PL_colors[2],PL_colors[3]);
- }
- );
-
/* Small enough for pointer-storage convention?
If extralen==0, this means that we will not need long jumps. */
if (PL_regsize >= 0x10000L && PL_extralen)
&& (!(data.flags & SF_FL_BEFORE_MEOL)
|| (PL_regflags & PMf_MULTILINE)))) {
if (SvCUR(data.longest_fixed) /* ok to leave SvCUR */
- && data.offset_fixed == data.offset_float_min)
- goto remove; /* Like in (a)+. */
-
+ && data.offset_fixed == data.offset_float_min
+ && SvCUR(data.longest_fixed) == SvCUR(data.longest_float))
+ goto remove_float; /* As in (a)+. */
+
r->float_substr = data.longest_float;
r->float_min_offset = data.offset_float_min;
r->float_max_offset = data.offset_float_max;
SvTAIL_on(r->float_substr);
}
else {
- remove:
+ remove_float:
r->float_substr = Nullsv;
SvREFCNT_dec(data.longest_float);
longest_float_length = 0;
if (*PL_regcomp_parse == '?') {
U16 posflags = 0, negflags = 0;
U16 *flagsp = &posflags;
+ int logical = 0;
PL_regcomp_parse++;
paren = *PL_regcomp_parse++;
nextchar();
*flagp = TRYAGAIN;
return NULL;
+ case 'p':
+ logical = 1;
+ paren = *PL_regcomp_parse++;
+ /* FALL THROUGH */
case '{':
{
dTHR;
PL_regcomp_rx->data->data[n+2] = (void*)sop;
SvREFCNT_dec(sv);
}
- else { /* First pass */
- if (PL_reginterp_cnt < ++PL_seen_evals && PL_curcop != &compiling)
+ else { /* First pass */
+ if (PL_reginterp_cnt < ++PL_seen_evals
+ && PL_curcop != &PL_compiling)
/* No compiled RE interpolated, has runtime
components ===> unsafe. */
FAIL("Eval-group not allowed at runtime, use re 'eval'");
}
nextchar();
+ if (logical) {
+ ret = reg_node(LOGICAL);
+ if (!SIZE_ONLY)
+ ret->flags = 2;
+ regtail(ret, reganode(EVAL, n));
+ return ret;
+ }
return reganode(EVAL, n);
}
case '(':
I32 flag;
ret = reg_node(LOGICAL);
+ if (!SIZE_ONLY)
+ ret->flags = 1;
regtail(ret, reg(1, &flag));
goto insert_if;
}
else
regtail(br, reganode(LONGJMP, 0));
c = *nextchar();
+ if (flags&HASWIDTH)
+ *flagp |= HASWIDTH;
if (c == '|') {
lastbr = reganode(IFTHEN, 0); /* Fake one for optimizer. */
regbranch(&flags, 1);
regtail(ret, lastbr);
+ if (flags&HASWIDTH)
+ *flagp |= HASWIDTH;
c = *nextchar();
}
else
goto do_curly;
}
nest_check:
- if (PL_dowarn && !SIZE_ONLY && !(flags&HASWIDTH) && max > 10000) {
- warn("%.*s matches null string many times",
+ if (ckWARN(WARN_UNSAFE) && !SIZE_ONLY && !(flags&HASWIDTH) && max > REG_INFTY/3) {
+ warner(WARN_UNSAFE, "%.*s matches null string many times",
PL_regcomp_parse - origparse, origparse);
}
case '[':
PL_regcomp_parse++;
ret = (UTF ? regclassutf8() : regclass());
+ if (*PL_regcomp_parse != ']')
+ FAIL("unmatched [] in regexp");
+ nextchar();
*flagp |= HASWIDTH|SIMPLE;
break;
case '(':
*flagp |= HASWIDTH;
nextchar();
if (UTF && !PL_utf8_mark)
- is_utf8_mark("~"); /* preload table */
+ is_utf8_mark((U8*)"~"); /* preload table */
break;
case 'w':
ret = reg_node(
*flagp |= HASWIDTH|SIMPLE;
nextchar();
if (UTF && !PL_utf8_alnum)
- is_utf8_alnum("a"); /* preload table */
+ is_utf8_alnum((U8*)"a"); /* preload table */
break;
case 'W':
ret = reg_node(
*flagp |= HASWIDTH|SIMPLE;
nextchar();
if (UTF && !PL_utf8_alnum)
- is_utf8_alnum("a"); /* preload table */
+ is_utf8_alnum((U8*)"a"); /* preload table */
break;
case 'b':
PL_seen_zerolen++;
*flagp |= SIMPLE;
nextchar();
if (UTF && !PL_utf8_alnum)
- is_utf8_alnum("a"); /* preload table */
+ is_utf8_alnum((U8*)"a"); /* preload table */
break;
case 'B':
PL_seen_zerolen++;
*flagp |= SIMPLE;
nextchar();
if (UTF && !PL_utf8_alnum)
- is_utf8_alnum("a"); /* preload table */
+ is_utf8_alnum((U8*)"a"); /* preload table */
break;
case 's':
ret = reg_node(
*flagp |= HASWIDTH|SIMPLE;
nextchar();
if (UTF && !PL_utf8_space)
- is_utf8_space(" "); /* preload table */
+ is_utf8_space((U8*)" "); /* preload table */
break;
case 'S':
ret = reg_node(
*flagp |= HASWIDTH|SIMPLE;
nextchar();
if (UTF && !PL_utf8_space)
- is_utf8_space(" "); /* preload table */
+ is_utf8_space((U8*)" "); /* preload table */
break;
case 'd':
ret = reg_node(UTF ? DIGITUTF8 : DIGIT);
*flagp |= HASWIDTH|SIMPLE;
nextchar();
if (UTF && !PL_utf8_digit)
- is_utf8_digit("1"); /* preload table */
+ is_utf8_digit((U8*)"1"); /* preload table */
break;
case 'D':
ret = reg_node(UTF ? NDIGITUTF8 : NDIGIT);
*flagp |= HASWIDTH|SIMPLE;
nextchar();
if (UTF && !PL_utf8_digit)
- is_utf8_digit("1"); /* preload table */
+ is_utf8_digit((U8*)"1"); /* preload table */
+ break;
+ case 'p':
+ case 'P':
+ { /* a lovely hack--pretend we saw [\pX] instead */
+ char* oldregxend = PL_regxend;
+
+ if (PL_regcomp_parse[1] == '{') {
+ PL_regxend = strchr(PL_regcomp_parse, '}');
+ if (!PL_regxend)
+ FAIL("Missing right brace on \\p{}");
+ PL_regxend++;
+ }
+ else
+ PL_regxend = PL_regcomp_parse + 2;
+ PL_regcomp_parse--;
+
+ ret = regclassutf8();
+
+ PL_regxend = oldregxend;
+ PL_regcomp_parse--;
+ nextchar();
+ *flagp |= HASWIDTH|SIMPLE;
+ }
break;
case 'n':
case 'r':
case 'S':
case 'd':
case 'D':
+ case 'p':
+ case 'P':
--p;
goto loopdone;
case 'n':
default:
normal_default:
if ((*p & 0xc0) == 0xc0 && UTF) {
- ender = utf8_to_uv(p, &numlen);
+ ender = utf8_to_uv((U8*)p, &numlen);
p += numlen;
}
else
* (POSIX Extended Character Classes, that is)
* The text between e.g. [: and :] would start
* at posixccs + 1 and stop at regcomp_parse - 2. */
- if (dowarn && !SIZE_ONLY)
- warn("Character class syntax [%c %c] is reserved for future extensions", posixccc, posixccc);
+ if (ckWARN(WARN_UNSAFE) && !SIZE_ONLY)
+ warner(WARN_UNSAFE,
+ "Character class syntax [%c %c] is reserved for future extensions", posixccc, posixccc);
PL_regcomp_parse++; /* skip over the ending ] */
}
}
}
}
if (!SIZE_ONLY) {
- for ( ; lastvalue <= value; lastvalue++)
- ANYOF_SET(opnd, lastvalue);
- }
+#ifndef ASCIIish
+ if ((isLOWER(lastvalue) && isLOWER(value)) ||
+ (isUPPER(lastvalue) && isUPPER(value)))
+ {
+ I32 i;
+ if (isLOWER(lastvalue)) {
+ for (i = lastvalue; i <= value; i++)
+ if (isLOWER(i))
+ ANYOF_SET(opnd, i);
+ } else {
+ for (i = lastvalue; i <= value; i++)
+ if (isUPPER(i))
+ ANYOF_SET(opnd, i);
+ }
+ }
+ else
+#endif
+ for ( ; lastvalue <= value; lastvalue++)
+ ANYOF_SET(opnd, lastvalue);
+ }
lastvalue = value;
}
- if (*PL_regcomp_parse != ']')
- FAIL("unmatched [] in regexp");
- nextchar();
/* optimize case-insensitive simple patterns (e.g. /[a-z]/i) */
if (!SIZE_ONLY && (*opnd & (0xFF ^ ANYOF_INVERT)) == ANYOF_FOLD) {
for (value = 0; value < 256; ++value) {
while (PL_regcomp_parse < PL_regxend && *PL_regcomp_parse != ']') {
skipcond:
- value = utf8_to_uv(PL_regcomp_parse, &numlen);
+ value = utf8_to_uv((U8*)PL_regcomp_parse, &numlen);
PL_regcomp_parse += numlen;
if (value == '[' && PL_regcomp_parse + 1 < PL_regxend &&
* (POSIX Extended Character Classes, that is)
* The text between e.g. [: and :] would start
* at posixccs + 1 and stop at regcomp_parse - 2. */
- if (dowarn && !SIZE_ONLY)
- warn("Character class syntax [%c %c] is reserved for future extensions", posixccc, posixccc);
+ if (ckWARN(WARN_UNSAFE) && !SIZE_ONLY)
+ warner(WARN_UNSAFE,
+ "Character class syntax [%c %c] is reserved for future extensions", posixccc, posixccc);
PL_regcomp_parse++; /* skip over the ending ] */
}
}
}
if (value == '\\') {
- value = utf8_to_uv(PL_regcomp_parse, &numlen);
+ value = utf8_to_uv((U8*)PL_regcomp_parse, &numlen);
PL_regcomp_parse += numlen;
switch (value) {
case 'w':
flags |= ANYOF_SPACEL;
sv_catpvf(listsv, "+utf8::IsSpace\n");
if (!PL_utf8_space)
- is_utf8_space(" ");
+ is_utf8_space((U8*)" ");
}
lastvalue = 123456;
continue;
sv_catpvf(listsv,
"!utf8::IsSpace\n");
if (!PL_utf8_space)
- is_utf8_space(" ");
+ is_utf8_space((U8*)" ");
}
lastvalue = 123456;
continue;
sv_catpvf(listsv, "%04x\n", value);
}
}
- if (*PL_regcomp_parse != ']')
- FAIL("unmatched [] in regexp");
- nextchar();
ret = reganode(ANYOFUTF8, 0);
{
dTHR;
if (SIZE_ONLY) {
- char tmpbuf[10];
+ U8 tmpbuf[10];
*lenp = uv_to_utf8(tmpbuf, uv) - tmpbuf;
}
else
- *lenp = uv_to_utf8(s, uv) - s;
+ *lenp = uv_to_utf8((U8*)s, uv) - (U8*)s;
}
sv_catpvf(sv, "GROUPP%d", ARG(o));
break;
case LOGICAL:
- p = "LOGICAL";
+ sv_catpvf(sv, "LOGICAL[%d]", o->flags);
break;
case SUSPEND:
p = "SUSPEND";
projects / p5sagit/p5-mst-13.2.git / blobdiff