# define PERL_NO_GET_CONTEXT
#endif
-/*SUPPRESS 112*/
/*
* pregcomp and pregexec -- regsub and regerror are not used in perl
*
#define RF_warned 2 /* warned about big count? */
#define RF_evaled 4 /* Did an EVAL with setting? */
#define RF_utf8 8 /* String contains multibyte chars? */
-#define RF_false 16 /* odd number of nested negatives */
#define UTF ((PL_reg_flags & RF_utf8) != 0)
#define HOP3c(pos,off,lim) ((char*)HOP3(pos,off,lim))
#define HOPMAYBE3c(pos,off,lim) ((char*)HOPMAYBE3(pos,off,lim))
-#define LOAD_UTF8_CHARCLASS(a,b) STMT_START { if (!CAT2(PL_utf8_,a)) { ENTER; save_re_context(); (void)CAT2(is_utf8_, a)((U8*)b); LEAVE; } } STMT_END
+#define LOAD_UTF8_CHARCLASS(class,str) STMT_START { \
+ if (!CAT2(PL_utf8_,class)) { bool ok; ENTER; save_re_context(); ok=CAT2(is_utf8_,class)((const U8*)str); assert(ok); LEAVE; } } STMT_END
+#define LOAD_UTF8_CHARCLASS_ALNUM() LOAD_UTF8_CHARCLASS(alnum,"a")
+#define LOAD_UTF8_CHARCLASS_DIGIT() LOAD_UTF8_CHARCLASS(digit,"0")
+#define LOAD_UTF8_CHARCLASS_SPACE() LOAD_UTF8_CHARCLASS(space," ")
+#define LOAD_UTF8_CHARCLASS_MARK() LOAD_UTF8_CHARCLASS(mark, "\xcd\x86")
/* for use after a quantifier and before an EXACT-like node -- japhy */
#define JUMPABLE(rn) ( \
STATIC CHECKPOINT
S_regcppush(pTHX_ I32 parenfloor)
{
- int retval = PL_savestack_ix;
+ const int retval = PL_savestack_ix;
#define REGCP_PAREN_ELEMS 4
- int paren_elems_to_push = (PL_regsize - parenfloor) * REGCP_PAREN_ELEMS;
+ const int paren_elems_to_push = (PL_regsize - parenfloor) * REGCP_PAREN_ELEMS;
int p;
if (paren_elems_to_push < 0)
}
/* These are needed since we do not localize EVAL nodes: */
-# define REGCP_SET(cp) DEBUG_r(PerlIO_printf(Perl_debug_log, \
+# define REGCP_SET(cp) DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, \
" Setting an EVAL scope, savestack=%"IVdf"\n", \
(IV)PL_savestack_ix)); cp = PL_savestack_ix
-# define REGCP_UNWIND(cp) DEBUG_r(cp != PL_savestack_ix ? \
+# define REGCP_UNWIND(cp) DEBUG_EXECUTE_r(cp != PL_savestack_ix ? \
PerlIO_printf(Perl_debug_log, \
" Clearing an EVAL scope, savestack=%"IVdf"..%"IVdf"\n", \
(IV)(cp), (IV)PL_savestack_ix) : 0); regcpblow(cp)
I32 i;
U32 paren = 0;
char *input;
- I32 tmps;
+
+ GET_RE_DEBUG_FLAGS_DECL;
/* Pop REGCP_OTHER_ELEMS before the parentheses loop starts. */
i = SSPOPINT;
/* Now restore the parentheses context. */
for (i -= (REGCP_OTHER_ELEMS - REGCP_FRAME_ELEMS);
i > 0; i -= REGCP_PAREN_ELEMS) {
+ I32 tmps;
paren = (U32)SSPOPINT;
PL_reg_start_tmp[paren] = (char *) SSPOPPTR;
PL_regstartp[paren] = SSPOPINT;
tmps = SSPOPINT;
if (paren <= *PL_reglastparen)
PL_regendp[paren] = tmps;
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
" restoring \\%"UVuf" to %"IVdf"(%"IVdf")..%"IVdf"%s\n",
(UV)paren, (IV)PL_regstartp[paren],
(paren > *PL_reglastparen ? "(no)" : ""));
);
}
- DEBUG_r(
+ DEBUG_EXECUTE_r(
if ((I32)(*PL_reglastparen + 1) <= PL_regnpar) {
PerlIO_printf(Perl_debug_log,
" restoring \\%"IVdf"..\\%"IVdf" to undef\n",
STATIC char *
S_regcp_set_to(pTHX_ I32 ss)
{
- I32 tmp = PL_savestack_ix;
+ const I32 tmp = PL_savestack_ix;
PL_savestack_ix = ss;
regcppop();
/* Assumptions: if ANCH_GPOS, then strpos is anchored. XXXX Check GPOS logic */
-/* If SCREAM, then SvPVX(sv) should be compatible with strpos and strend.
+/* If SCREAM, then SvPVX_const(sv) should be compatible with strpos and strend.
Otherwise, only SvCUR(sv) is used to get strbeg. */
/* XXXX We assume that strpos is strbeg unless sv. */
register SV *check;
char *strbeg;
char *t;
- int do_utf8 = sv ? SvUTF8(sv) : 0; /* if no sv we have to assume bytes */
+ const int do_utf8 = sv ? SvUTF8(sv) : 0; /* if no sv we have to assume bytes */
I32 ml_anch;
register char *other_last = Nullch; /* other substr checked before this */
char *check_at = Nullch; /* check substr found at this pos */
- I32 multiline = prog->reganch & PMf_MULTILINE;
+ const I32 multiline = prog->reganch & PMf_MULTILINE;
#ifdef DEBUGGING
- char *i_strpos = strpos;
- SV *dsv = PERL_DEBUG_PAD_ZERO(0);
+ const char * const i_strpos = strpos;
+ SV * const dsv = PERL_DEBUG_PAD_ZERO(0);
#endif
+
+ GET_RE_DEBUG_FLAGS_DECL;
+
RX_MATCH_UTF8_set(prog,do_utf8);
if (prog->reganch & ROPT_UTF8) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"UTF-8 regex...\n"));
PL_reg_flags |= RF_utf8;
}
- DEBUG_r({
- char *s = PL_reg_match_utf8 ?
+ DEBUG_EXECUTE_r({
+ const char *s = PL_reg_match_utf8 ?
sv_uni_display(dsv, sv, 60, UNI_DISPLAY_REGEX) :
strpos;
- int len = PL_reg_match_utf8 ?
+ const int len = PL_reg_match_utf8 ?
strlen(s) : strend - strpos;
if (!PL_colorset)
reginitcolors();
if (PL_reg_match_utf8)
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"UTF-8 target...\n"));
PerlIO_printf(Perl_debug_log,
- "%sGuessing start of match, REx%s `%s%.60s%s%s' against `%s%.*s%s%s'...\n",
- PL_colors[4],PL_colors[5],PL_colors[0],
+ "%sGuessing start of match, REx%s \"%s%.60s%s%s\" against \"%s%.*s%s%s\"...\n",
+ PL_colors[4], PL_colors[5], PL_colors[0],
prog->precomp,
PL_colors[1],
(strlen(prog->precomp) > 60 ? "..." : ""),
/* CHR_DIST() would be more correct here but it makes things slow. */
if (prog->minlen > strend - strpos) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"String too short... [re_intuit_start]\n"));
goto fail;
}
check = prog->check_substr;
}
if (check == &PL_sv_undef) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"Non-utf string cannot match utf check string\n"));
goto fail;
}
if (!ml_anch) {
if ( !(prog->reganch & (ROPT_ANCH_GPOS /* Checked by the caller */
| ROPT_IMPLICIT)) /* not a real BOL */
- /* SvCUR is not set on references: SvRV and SvPVX overlap */
+ /* SvCUR is not set on references: SvRV and SvPVX_const overlap */
&& sv && !SvROK(sv)
&& (strpos != strbeg)) {
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Not at start...\n"));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Not at start...\n"));
goto fail;
}
if (prog->check_offset_min == prog->check_offset_max &&
if ( strend - s > slen || strend - s < slen - 1
|| (strend - s == slen && strend[-1] != '\n')) {
- DEBUG_r(PerlIO_printf(Perl_debug_log, "String too long...\n"));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "String too long...\n"));
goto fail_finish;
}
/* Now should match s[0..slen-2] */
slen--;
- if (slen && (*SvPVX(check) != *s
+ if (slen && (*SvPVX_const(check) != *s
|| (slen > 1
- && memNE(SvPVX(check), s, slen)))) {
+ && memNE(SvPVX_const(check), s, slen)))) {
report_neq:
- DEBUG_r(PerlIO_printf(Perl_debug_log, "String not equal...\n"));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "String not equal...\n"));
goto fail_finish;
}
}
- else if (*SvPVX(check) != *s
+ else if (*SvPVX_const(check) != *s
|| ((slen = SvCUR(check)) > 1
- && memNE(SvPVX(check), s, slen)))
+ && memNE(SvPVX_const(check), s, slen)))
goto report_neq;
goto success_at_start;
}
end_shift = prog->minlen - start_shift -
CHR_SVLEN(check) + (SvTAIL(check) != 0);
if (!ml_anch) {
- I32 end = prog->check_offset_max + CHR_SVLEN(check)
+ const I32 end = prog->check_offset_max + CHR_SVLEN(check)
- (SvTAIL(check) != 0);
- I32 eshift = CHR_DIST((U8*)strend, (U8*)s) - end;
+ const I32 eshift = CHR_DIST((U8*)strend, (U8*)s) - end;
if (end_shift < eshift)
end_shift = eshift;
the "check" substring in the region corrected by start/end_shift. */
if (flags & REXEC_SCREAM) {
I32 p = -1; /* Internal iterator of scream. */
- I32 *pp = data ? data->scream_pos : &p;
+ I32 * const pp = data ? data->scream_pos : &p;
if (PL_screamfirst[BmRARE(check)] >= 0
|| ( BmRARE(check) == '\n'
goto fail_finish;
/* we may be pointing at the wrong string */
if (s && RX_MATCH_COPIED(prog))
- s = strbeg + (s - SvPVX(sv));
+ s = strbeg + (s - SvPVX_const(sv));
if (data)
*data->scream_olds = s;
}
/* Update the count-of-usability, remove useless subpatterns,
unshift s. */
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%s %s substr `%s%.*s%s'%s%s",
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%s %s substr \"%s%.*s%s\"%s%s",
(s ? "Found" : "Did not find"),
(check == (do_utf8 ? prog->anchored_utf8 : prog->anchored_substr) ? "anchored" : "floating"),
PL_colors[0],
(int)(SvCUR(check) - (SvTAIL(check)!=0)),
- SvPVX(check),
+ SvPVX_const(check),
PL_colors[1], (SvTAIL(check) ? "$" : ""),
(s ? " at offset " : "...\n") ) );
check_at = s;
/* Finish the diagnostic message */
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%ld...\n", (long)(s - i_strpos)) );
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%ld...\n", (long)(s - i_strpos)) );
/* Got a candidate. Check MBOL anchoring, and the *other* substr.
Start with the other substr.
XXXX no SCREAM optimization yet - and a very coarse implementation
- XXXX /ttx+/ results in anchored=`ttx', floating=`x'. floating will
+ XXXX /ttx+/ results in anchored="ttx", floating="x". floating will
*always* match. Probably should be marked during compile...
Probably it is right to do no SCREAM here...
*/
if (check == (do_utf8 ? prog->float_utf8 : prog->float_substr)) {
do_other_anchored:
{
- char *last = HOP3c(s, -start_shift, strbeg), *last1, *last2;
+ char * const last = HOP3c(s, -start_shift, strbeg);
+ char *last1, *last2;
char *s1 = s;
SV* must;
must = do_utf8 ? prog->anchored_utf8 : prog->anchored_substr;
if (must == &PL_sv_undef) {
s = (char*)NULL;
- DEBUG_r(must = prog->anchored_utf8); /* for debug */
+ DEBUG_EXECUTE_r(must = prog->anchored_utf8); /* for debug */
}
else
s = fbm_instr(
must,
multiline ? FBMrf_MULTILINE : 0
);
- DEBUG_r(PerlIO_printf(Perl_debug_log,
- "%s anchored substr `%s%.*s%s'%s",
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
+ "%s anchored substr \"%s%.*s%s\"%s",
(s ? "Found" : "Contradicts"),
PL_colors[0],
(int)(SvCUR(must)
- (SvTAIL(must)!=0)),
- SvPVX(must),
+ SvPVX_const(must),
PL_colors[1], (SvTAIL(must) ? "$" : "")));
if (!s) {
if (last1 >= last2) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
", giving up...\n"));
goto fail_finish;
}
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
", trying floating at offset %ld...\n",
(long)(HOP3c(s1, 1, strend) - i_strpos)));
other_last = HOP3c(last1, prog->anchored_offset+1, strend);
goto restart;
}
else {
- DEBUG_r(PerlIO_printf(Perl_debug_log, " at offset %ld...\n",
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, " at offset %ld...\n",
(long)(s - i_strpos)));
t = HOP3c(s, -prog->anchored_offset, strbeg);
other_last = HOP3c(s, 1, strend);
and end-of-str is not later than strend we are OK. */
if (must == &PL_sv_undef) {
s = (char*)NULL;
- DEBUG_r(must = prog->float_utf8); /* for debug message */
+ DEBUG_EXECUTE_r(must = prog->float_utf8); /* for debug message */
}
else
s = fbm_instr((unsigned char*)s,
(unsigned char*)last + SvCUR(must)
- (SvTAIL(must)!=0),
must, multiline ? FBMrf_MULTILINE : 0);
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%s floating substr `%s%.*s%s'%s",
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%s floating substr \"%s%.*s%s\"%s",
(s ? "Found" : "Contradicts"),
PL_colors[0],
(int)(SvCUR(must) - (SvTAIL(must)!=0)),
- SvPVX(must),
+ SvPVX_const(must),
PL_colors[1], (SvTAIL(must) ? "$" : "")));
if (!s) {
if (last1 == last) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
", giving up...\n"));
goto fail_finish;
}
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
", trying anchored starting at offset %ld...\n",
(long)(s1 + 1 - i_strpos)));
other_last = last;
goto restart;
}
else {
- DEBUG_r(PerlIO_printf(Perl_debug_log, " at offset %ld...\n",
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, " at offset %ld...\n",
(long)(s - i_strpos)));
other_last = s; /* Fix this later. --Hugo */
s = s1;
is float. Redo checking for "other"=="fixed".
*/
strpos = t + 1;
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m at offset %ld, rescanning for anchored from offset %ld...\n",
- PL_colors[0],PL_colors[1], (long)(strpos - i_strpos), (long)(strpos - i_strpos + prog->anchored_offset)));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m at offset %ld, rescanning for anchored from offset %ld...\n",
+ PL_colors[0], PL_colors[1], (long)(strpos - i_strpos), (long)(strpos - i_strpos + prog->anchored_offset)));
goto do_other_anchored;
}
/* We don't contradict the found floating substring. */
/* XXXX Why not check for STCLASS? */
s = t + 1;
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m at offset %ld...\n",
- PL_colors[0],PL_colors[1], (long)(s - i_strpos)));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m at offset %ld...\n",
+ PL_colors[0], PL_colors[1], (long)(s - i_strpos)));
goto set_useful;
}
/* Position contradicts check-string */
/* XXXX probably better to look for check-string
than for "\n", so one should lower the limit for t? */
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m, restarting lookup for check-string at offset %ld...\n",
- PL_colors[0],PL_colors[1], (long)(t + 1 - i_strpos)));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Found /%s^%s/m, restarting lookup for check-string at offset %ld...\n",
+ PL_colors[0], PL_colors[1], (long)(t + 1 - i_strpos)));
other_last = strpos = s = t + 1;
goto restart;
}
t++;
}
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Did not find /%s^%s/m...\n",
- PL_colors[0],PL_colors[1]));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Did not find /%s^%s/m...\n",
+ PL_colors[0], PL_colors[1]));
goto fail_finish;
}
else {
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Starting position does not contradict /%s^%s/m...\n",
- PL_colors[0],PL_colors[1]));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Starting position does not contradict /%s^%s/m...\n",
+ PL_colors[0], PL_colors[1]));
}
s = t;
set_useful:
t = strpos;
goto find_anchor;
}
- DEBUG_r( if (ml_anch)
+ DEBUG_EXECUTE_r( if (ml_anch)
PerlIO_printf(Perl_debug_log, "Position at offset %ld does not contradict /%s^%s/m...\n",
- (long)(strpos - i_strpos), PL_colors[0],PL_colors[1]);
+ (long)(strpos - i_strpos), PL_colors[0], PL_colors[1]);
);
success_at_start:
if (!(prog->reganch & ROPT_NAUGHTY) /* XXXX If strpos moved? */
)))
{
/* If flags & SOMETHING - do not do it many times on the same match */
- DEBUG_r(PerlIO_printf(Perl_debug_log, "... Disabling check substring...\n"));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "... Disabling check substring...\n"));
SvREFCNT_dec(do_utf8 ? prog->check_utf8 : prog->check_substr);
if (do_utf8 ? prog->check_substr : prog->check_utf8)
SvREFCNT_dec(do_utf8 ? prog->check_substr : prog->check_utf8);
regstclass does not come from lookahead... */
/* If regstclass takes bytelength more than 1: If charlength==1, OK.
This leaves EXACTF only, which is dealt with in find_byclass(). */
- U8* str = (U8*)STRING(prog->regstclass);
- int cl_l = (PL_regkind[(U8)OP(prog->regstclass)] == EXACT
+ const U8* const str = (U8*)STRING(prog->regstclass);
+ const int cl_l = (PL_regkind[(U8)OP(prog->regstclass)] == EXACT
? CHR_DIST(str+STR_LEN(prog->regstclass), str)
: 1);
- char *endpos = (prog->anchored_substr || prog->anchored_utf8 || ml_anch)
+ const char * const endpos = (prog->anchored_substr || prog->anchored_utf8 || ml_anch)
? HOP3c(s, (prog->minlen ? cl_l : 0), strend)
: (prog->float_substr || prog->float_utf8
? HOP3c(HOP3c(check_at, -start_shift, strbeg),
cl_l, strend)
: strend);
- char *startpos = strbeg;
t = s;
cache_re(prog);
- s = find_byclass(prog, prog->regstclass, s, endpos, startpos, 1);
+ s = find_byclass(prog, prog->regstclass, s, endpos, 1);
if (!s) {
#ifdef DEBUGGING
- char *what = 0;
+ const char *what = 0;
#endif
if (endpos == strend) {
- DEBUG_r( PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log,
"Could not match STCLASS...\n") );
goto fail;
}
- DEBUG_r( PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log,
"This position contradicts STCLASS...\n") );
if ((prog->reganch & ROPT_ANCH) && !ml_anch)
goto fail;
/* Contradict one of substrings */
if (prog->anchored_substr || prog->anchored_utf8) {
if ((do_utf8 ? prog->anchored_utf8 : prog->anchored_substr) == check) {
- DEBUG_r( what = "anchored" );
+ DEBUG_EXECUTE_r( what = "anchored" );
hop_and_restart:
s = HOP3c(t, 1, strend);
if (s + start_shift + end_shift > strend) {
/* XXXX Should be taken into account earlier? */
- DEBUG_r( PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log,
"Could not match STCLASS...\n") );
goto fail;
}
if (!check)
goto giveup;
- DEBUG_r( PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log,
"Looking for %s substr starting at offset %ld...\n",
what, (long)(s + start_shift - i_strpos)) );
goto restart;
s = check_at;
if (!check)
goto giveup;
- DEBUG_r( PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log,
"Looking for anchored substr starting at offset %ld...\n",
(long)(other_last - i_strpos)) );
goto do_other_anchored;
s = t = t + 1;
if (!check)
goto giveup;
- DEBUG_r( PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log,
"Looking for /%s^%s/m starting at offset %ld...\n",
- PL_colors[0],PL_colors[1], (long)(t - i_strpos)) );
+ PL_colors[0], PL_colors[1], (long)(t - i_strpos)) );
goto try_at_offset;
}
if (!(do_utf8 ? prog->float_utf8 : prog->float_substr)) /* Could have been deleted */
/* Check is floating subtring. */
retry_floating_check:
t = check_at - start_shift;
- DEBUG_r( what = "floating" );
+ DEBUG_EXECUTE_r( what = "floating" );
goto hop_and_restart;
}
if (t != s) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"By STCLASS: moving %ld --> %ld\n",
(long)(t - i_strpos), (long)(s - i_strpos))
);
}
else {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"Does not contradict STCLASS...\n");
);
}
}
giveup:
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%s%s:%s match at offset %ld\n",
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%s%s:%s match at offset %ld\n",
PL_colors[4], (check ? "Guessed" : "Giving up"),
PL_colors[5], (long)(s - i_strpos)) );
return s;
if (prog->check_substr || prog->check_utf8) /* could be removed already */
BmUSEFUL(do_utf8 ? prog->check_utf8 : prog->check_substr) += 5; /* hooray */
fail:
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%sMatch rejected by optimizer%s\n",
- PL_colors[4],PL_colors[5]));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%sMatch rejected by optimizer%s\n",
+ PL_colors[4], PL_colors[5]));
return Nullch;
}
/* We know what class REx starts with. Try to find this position... */
STATIC char *
-S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, char *strend, char *startpos, I32 norun)
+S_find_byclass(pTHX_ regexp * prog, regnode *c, char *s, const char *strend, I32 norun)
{
- I32 doevery = (prog->reganch & ROPT_SKIP) == 0;
+ dVAR;
+ const I32 doevery = (prog->reganch & ROPT_SKIP) == 0;
char *m;
STRLEN ln;
STRLEN lnc;
unsigned int c2;
char *e;
register I32 tmp = 1; /* Scratch variable? */
- register bool do_utf8 = PL_reg_match_utf8;
+ register const bool do_utf8 = PL_reg_match_utf8;
/* We know what class it must start with. */
switch (OP(c)) {
U8 *sm = (U8 *) m;
U8 tmpbuf1[UTF8_MAXBYTES_CASE+1];
U8 tmpbuf2[UTF8_MAXBYTES_CASE+1];
+ const U32 uniflags = ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY;
to_utf8_lower((U8*)m, tmpbuf1, &ulen1);
to_utf8_upper((U8*)m, tmpbuf2, &ulen2);
c1 = utf8n_to_uvchr(tmpbuf1, UTF8_MAXBYTES_CASE,
- 0, ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
+ 0, uniflags);
c2 = utf8n_to_uvchr(tmpbuf2, UTF8_MAXBYTES_CASE,
- 0, ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY);
+ 0, uniflags);
lnc = 0;
while (sm < ((U8 *) m + ln)) {
lnc++;
if (do_utf8) {
UV c, f;
U8 tmpbuf [UTF8_MAXBYTES+1];
- U8 foldbuf[UTF8_MAXBYTES_CASE+1];
STRLEN len, foldlen;
-
+ const U32 uniflags = ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY;
if (c1 == c2) {
/* Upper and lower of 1st char are equal -
* probably not a "letter". */
while (s <= e) {
c = utf8n_to_uvchr((U8*)s, UTF8_MAXBYTES, &len,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
if ( c == c1
&& (ln == len ||
ibcmp_utf8(s, (char **)0, 0, do_utf8,
&& (norun || regtry(prog, s)) )
goto got_it;
else {
+ U8 foldbuf[UTF8_MAXBYTES_CASE+1];
uvchr_to_utf8(tmpbuf, c);
f = to_utf8_fold(tmpbuf, foldbuf, &foldlen);
if ( f != c
else {
while (s <= e) {
c = utf8n_to_uvchr((U8*)s, UTF8_MAXBYTES, &len,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
/* Handle some of the three Greek sigmas cases.
* Note that not all the possible combinations
&& (norun || regtry(prog, s)) )
goto got_it;
else {
+ U8 foldbuf[UTF8_MAXBYTES_CASE+1];
uvchr_to_utf8(tmpbuf, c);
f = to_utf8_fold(tmpbuf, foldbuf, &foldlen);
if ( f != c
}
tmp = ((OP(c) == BOUND ?
isALNUM_uni(tmp) : isALNUM_LC_uvchr(UNI_TO_NATIVE(tmp))) != 0);
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (tmp == !(OP(c) == BOUND ?
swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8) :
}
tmp = ((OP(c) == NBOUND ?
isALNUM_uni(tmp) : isALNUM_LC_uvchr(UNI_TO_NATIVE(tmp))) != 0);
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (tmp == !(OP(c) == NBOUND ?
swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8) :
break;
case ALNUM:
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
break;
case NALNUM:
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (!swash_fetch(PL_utf8_alnum, (U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
break;
case SPACE:
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(space," ");
+ LOAD_UTF8_CHARCLASS_SPACE();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
break;
case NSPACE:
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(space," ");
+ LOAD_UTF8_CHARCLASS_SPACE();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (!(*s == ' ' || swash_fetch(PL_utf8_space,(U8*)s, do_utf8))) {
if (tmp && (norun || regtry(prog, s)))
break;
case DIGIT:
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(digit,"0");
+ LOAD_UTF8_CHARCLASS_DIGIT();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (swash_fetch(PL_utf8_digit,(U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
break;
case NDIGIT:
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(digit,"0");
+ LOAD_UTF8_CHARCLASS_DIGIT();
while (s + (uskip = UTF8SKIP(s)) <= strend) {
if (!swash_fetch(PL_utf8_digit,(U8*)s, do_utf8)) {
if (tmp && (norun || regtry(prog, s)))
register char *startpos = stringarg;
I32 minlen; /* must match at least this many chars */
I32 dontbother = 0; /* how many characters not to try at end */
- /* I32 start_shift = 0; */ /* Offset of the start to find
- constant substr. */ /* CC */
I32 end_shift = 0; /* Same for the end. */ /* CC */
I32 scream_pos = -1; /* Internal iterator of scream. */
char *scream_olds;
SV* oreplsv = GvSV(PL_replgv);
- bool do_utf8 = DO_UTF8(sv);
- I32 multiline = prog->reganch & PMf_MULTILINE;
+ const bool do_utf8 = DO_UTF8(sv);
+ const I32 multiline = prog->reganch & PMf_MULTILINE;
#ifdef DEBUGGING
SV *dsv0 = PERL_DEBUG_PAD_ZERO(0);
SV *dsv1 = PERL_DEBUG_PAD_ZERO(1);
#endif
+
+ GET_RE_DEBUG_FLAGS_DECL;
+
+ PERL_UNUSED_ARG(data);
RX_MATCH_UTF8_set(prog,do_utf8);
PL_regcc = 0;
minlen = prog->minlen;
if (strend - startpos < minlen) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"String too short [regexec_flags]...\n"));
goto phooey;
}
d.scream_pos = &scream_pos;
s = re_intuit_start(prog, sv, s, strend, flags, &d);
if (!s) {
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Not present...\n"));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Not present...\n"));
goto phooey; /* not present */
}
}
- DEBUG_r({
- char *s0 = UTF ?
- pv_uni_display(dsv0, (U8*)prog->precomp, prog->prelen, 60,
- UNI_DISPLAY_REGEX) :
- prog->precomp;
- int len0 = UTF ? SvCUR(dsv0) : prog->prelen;
- char *s1 = do_utf8 ? sv_uni_display(dsv1, sv, 60,
+ DEBUG_EXECUTE_r({
+ const char * const s0 = UTF
+ ? pv_uni_display(dsv0, (U8*)prog->precomp, prog->prelen, 60,
+ UNI_DISPLAY_REGEX)
+ : prog->precomp;
+ const int len0 = UTF ? SvCUR(dsv0) : prog->prelen;
+ const char * const s1 = do_utf8 ? sv_uni_display(dsv1, sv, 60,
UNI_DISPLAY_REGEX) : startpos;
- int len1 = do_utf8 ? SvCUR(dsv1) : strend - startpos;
+ const int len1 = do_utf8 ? SvCUR(dsv1) : strend - startpos;
if (!PL_colorset)
reginitcolors();
PerlIO_printf(Perl_debug_log,
- "%sMatching REx%s `%s%*.*s%s%s' against `%s%.*s%s%s'\n",
- PL_colors[4],PL_colors[5],PL_colors[0],
+ "%sMatching REx%s \"%s%*.*s%s%s\" against \"%s%.*s%s%s\"\n",
+ PL_colors[4], PL_colors[5], PL_colors[0],
len0, len0, s0,
PL_colors[1],
len0 > 60 ? "..." : "",
#endif
if (!(do_utf8 ? prog->anchored_utf8 : prog->anchored_substr))
do_utf8 ? to_utf8_substr(prog) : to_byte_substr(prog);
- ch = SvPVX(do_utf8 ? prog->anchored_utf8 : prog->anchored_substr)[0];
+ ch = SvPVX_const(do_utf8 ? prog->anchored_utf8 : prog->anchored_substr)[0];
if (do_utf8) {
while (s < strend) {
if (*s == ch) {
- DEBUG_r( did_match = 1 );
+ DEBUG_EXECUTE_r( did_match = 1 );
if (regtry(prog, s)) goto got_it;
s += UTF8SKIP(s);
while (s < strend && *s == ch)
else {
while (s < strend) {
if (*s == ch) {
- DEBUG_r( did_match = 1 );
+ DEBUG_EXECUTE_r( did_match = 1 );
if (regtry(prog, s)) goto got_it;
s++;
while (s < strend && *s == ch)
s++;
}
}
- DEBUG_r(if (!did_match)
+ DEBUG_EXECUTE_r(if (!did_match)
PerlIO_printf(Perl_debug_log,
"Did not find anchored character...\n")
);
}
- /*SUPPRESS 560*/
else if (prog->anchored_substr != Nullsv
|| prog->anchored_utf8 != Nullsv
|| ((prog->float_substr != Nullsv || prog->float_utf8 != Nullsv)
else
last1 = s - 1; /* bogus */
- /* XXXX check_substr already used to find `s', can optimize if
+ /* XXXX check_substr already used to find "s", can optimize if
check_substr==must. */
scream_pos = -1;
dontbother = end_shift;
multiline ? FBMrf_MULTILINE : 0))) ) {
/* we may be pointing at the wrong string */
if ((flags & REXEC_SCREAM) && RX_MATCH_COPIED(prog))
- s = strbeg + (s - SvPVX(sv));
- DEBUG_r( did_match = 1 );
+ s = strbeg + (s - SvPVX_const(sv));
+ DEBUG_EXECUTE_r( did_match = 1 );
if (HOPc(s, -back_max) > last1) {
last1 = HOPc(s, -back_min);
s = HOPc(s, -back_max);
}
}
}
- DEBUG_r(if (!did_match)
+ DEBUG_EXECUTE_r(if (!did_match)
PerlIO_printf(Perl_debug_log,
- "Did not find %s substr `%s%.*s%s'%s...\n",
+ "Did not find %s substr \"%s%.*s%s\"%s...\n",
((must == prog->anchored_substr || must == prog->anchored_utf8)
? "anchored" : "floating"),
PL_colors[0],
(int)(SvCUR(must) - (SvTAIL(must)!=0)),
- SvPVX(must),
+ SvPVX_const(must),
PL_colors[1], (SvTAIL(must) ? "$" : ""))
);
goto phooey;
if (PL_regkind[op] != EXACT && op != CANY)
strend = HOPc(strend, -(minlen - 1));
}
- DEBUG_r({
+ DEBUG_EXECUTE_r({
SV *prop = sv_newmortal();
- char *s0;
- char *s1;
+ const char *s0;
+ const char *s1;
int len0;
int len1;
regprop(prop, c);
s0 = UTF ?
- pv_uni_display(dsv0, (U8*)SvPVX(prop), SvCUR(prop), 60,
+ pv_uni_display(dsv0, (U8*)SvPVX_const(prop), SvCUR(prop), 60,
UNI_DISPLAY_REGEX) :
- SvPVX(prop);
+ SvPVX_const(prop);
len0 = UTF ? SvCUR(dsv0) : SvCUR(prop);
s1 = UTF ?
sv_uni_display(dsv1, sv, 60, UNI_DISPLAY_REGEX) : s;
len1 = UTF ? SvCUR(dsv1) : strend - s;
PerlIO_printf(Perl_debug_log,
- "Matching stclass `%*.*s' against `%*.*s'\n",
+ "Matching stclass \"%*.*s\" against \"%*.*s\"\n",
len0, len0, s0,
len1, len1, s1);
});
- if (find_byclass(prog, c, s, strend, startpos, 0))
+ if (find_byclass(prog, c, s, strend, 0))
goto got_it;
- DEBUG_r(PerlIO_printf(Perl_debug_log, "Contradicts stclass...\n"));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "Contradicts stclass...\n"));
}
else {
dontbother = 0;
last = scream_olds; /* Only one occurrence. */
/* we may be pointing at the wrong string */
else if (RX_MATCH_COPIED(prog))
- s = strbeg + (s - SvPVX(sv));
+ s = strbeg + (s - SvPVX_const(sv));
}
else {
STRLEN len;
- char *little = SvPV(float_real, len);
+ const char * const little = SvPV_const(float_real, len);
if (SvTAIL(float_real)) {
if (memEQ(strend - len + 1, little, len - 1))
if (len)
last = rninstr(s, strend, little, little + len);
else
- last = strend; /* matching `$' */
+ last = strend; /* matching "$" */
}
}
if (last == NULL) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"%sCan't trim the tail, match fails (should not happen)%s\n",
- PL_colors[4],PL_colors[5]));
+ PL_colors[4], PL_colors[5]));
goto phooey; /* Should not happen! */
}
dontbother = strend - last + prog->float_min_offset;
RX_MATCH_COPY_FREE(prog);
if (flags & REXEC_COPY_STR) {
I32 i = PL_regeol - startpos + (stringarg - strbeg);
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
if ((SvIsCOW(sv)
|| (SvFLAGS(sv) & CAN_COW_MASK) == CAN_COW_FLAGS)) {
if (DEBUG_C_TEST) {
(int) SvTYPE(sv));
}
prog->saved_copy = sv_setsv_cow(prog->saved_copy, sv);
- prog->subbeg = SvPVX(prog->saved_copy);
+ prog->subbeg = (char *)SvPVX_const(prog->saved_copy);
assert (SvPOKp(prog->saved_copy));
} else
#endif
return 1;
phooey:
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%sMatch failed%s\n",
- PL_colors[4],PL_colors[5]));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%sMatch failed%s\n",
+ PL_colors[4], PL_colors[5]));
if (PL_reg_eval_set)
restore_pos(aTHX_ 0);
return 0;
register I32 *sp;
register I32 *ep;
CHECKPOINT lastcp;
+ GET_RE_DEBUG_FLAGS_DECL;
#ifdef DEBUGGING
PL_regindent = 0; /* XXXX Not good when matches are reenterable... */
MAGIC *mg;
PL_reg_eval_set = RS_init;
- DEBUG_r(DEBUG_s(
+ DEBUG_EXECUTE_r(DEBUG_s(
PerlIO_printf(Perl_debug_log, " setting stack tmpbase at %"IVdf"\n",
(IV)(PL_stack_sp - PL_stack_base));
));
SAVEDESTRUCTOR_X(restore_pos, 0);
}
if (!PL_reg_curpm) {
- Newz(22,PL_reg_curpm, 1, PMOP);
+ Newxz(PL_reg_curpm, 1, PMOP);
#ifdef USE_ITHREADS
{
SV* repointer = newSViv(0);
$` inside (?{}) could fail... */
PL_reg_oldsaved = prog->subbeg;
PL_reg_oldsavedlen = prog->sublen;
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
PL_nrs = prog->saved_copy;
#endif
RX_MATCH_COPIED_off(prog);
prog->lastparen = 0;
prog->lastcloseparen = 0;
PL_regsize = 0;
- DEBUG_r(PL_reg_starttry = startpos);
+ DEBUG_EXECUTE_r(PL_reg_starttry = startpos);
if (PL_reg_start_tmpl <= prog->nparens) {
PL_reg_start_tmpl = prog->nparens*3/2 + 3;
if(PL_reg_start_tmp)
Renew(PL_reg_start_tmp, PL_reg_start_tmpl, char*);
else
- New(22,PL_reg_start_tmp, PL_reg_start_tmpl, char*);
+ Newx(PL_reg_start_tmp, PL_reg_start_tmpl, char*);
}
/* XXXX What this code is doing here?!!! There should be no need
#define sayNO_SILENT goto do_no
#define saySAME(x) if (x) goto yes; else goto no
-#define REPORT_CODE_OFF 24
+#define POSCACHE_SUCCESS 0 /* caching success rather than failure */
+#define POSCACHE_SEEN 1 /* we know what we're caching */
+#define POSCACHE_START 2 /* the real cache: this bit maps to pos 0 */
+#define CACHEsayYES STMT_START { \
+ if (cache_offset | cache_bit) { \
+ if (!(PL_reg_poscache[0] & (1<<POSCACHE_SEEN))) \
+ PL_reg_poscache[0] |= (1<<POSCACHE_SUCCESS) || (1<<POSCACHE_SEEN); \
+ else if (!(PL_reg_poscache[0] & (1<<POSCACHE_SUCCESS))) { \
+ /* cache records failure, but this is success */ \
+ DEBUG_r( \
+ PerlIO_printf(Perl_debug_log, \
+ "%*s (remove success from failure cache)\n", \
+ REPORT_CODE_OFF+PL_regindent*2, "") \
+ ); \
+ PL_reg_poscache[cache_offset] &= ~(1<<cache_bit); \
+ } \
+ } \
+ sayYES; \
+} STMT_END
+#define CACHEsayNO STMT_START { \
+ if (cache_offset | cache_bit) { \
+ if (!(PL_reg_poscache[0] & (1<<POSCACHE_SEEN))) \
+ PL_reg_poscache[0] |= (1<<POSCACHE_SEEN); \
+ else if ((PL_reg_poscache[0] & (1<<POSCACHE_SUCCESS))) { \
+ /* cache records success, but this is failure */ \
+ DEBUG_r( \
+ PerlIO_printf(Perl_debug_log, \
+ "%*s (remove failure from success cache)\n", \
+ REPORT_CODE_OFF+PL_regindent*2, "") \
+ ); \
+ PL_reg_poscache[cache_offset] &= ~(1<<cache_bit); \
+ } \
+ } \
+ sayNO; \
+} STMT_END
+
+/* this is used to determine how far from the left messages like
+ 'failed...' are printed. Currently 29 makes these messages line
+ up with the opcode they refer to. Earlier perls used 25 which
+ left these messages outdented making reviewing a debug output
+ quite difficult.
+*/
+#define REPORT_CODE_OFF 29
+
+
+/* Make sure there is a test for this +1 options in re_tests */
+#define TRIE_INITAL_ACCEPT_BUFFLEN 4;
+
+#define TRIE_CHECK_STATE_IS_ACCEPTING STMT_START { \
+ if ( trie->states[ state ].wordnum ) { \
+ if ( !accepted ) { \
+ ENTER; \
+ SAVETMPS; \
+ bufflen = TRIE_INITAL_ACCEPT_BUFFLEN ; \
+ sv_accept_buff=NEWSV( 1234, \
+ bufflen * sizeof(reg_trie_accepted) - 1 ); \
+ SvCUR_set( sv_accept_buff, sizeof(reg_trie_accepted) ); \
+ SvPOK_on( sv_accept_buff ); \
+ sv_2mortal( sv_accept_buff ); \
+ accept_buff = (reg_trie_accepted*)SvPV_nolen( sv_accept_buff );\
+ } else { \
+ if ( accepted >= bufflen ) { \
+ bufflen *= 2; \
+ accept_buff =(reg_trie_accepted*)SvGROW( sv_accept_buff, \
+ bufflen * sizeof(reg_trie_accepted) ); \
+ } \
+ SvCUR_set( sv_accept_buff,SvCUR( sv_accept_buff ) \
+ + sizeof( reg_trie_accepted ) ); \
+ } \
+ accept_buff[ accepted ].wordnum = trie->states[ state ].wordnum; \
+ accept_buff[ accepted ].endpos = uc; \
+ ++accepted; \
+ } } STMT_END
+
+#define TRIE_HANDLE_CHAR STMT_START { \
+ if ( uvc < 256 ) { \
+ charid = trie->charmap[ uvc ]; \
+ } else { \
+ charid = 0; \
+ if( trie->widecharmap ) { \
+ SV** svpp = (SV**)NULL; \
+ svpp = hv_fetch( trie->widecharmap, (char*)&uvc, \
+ sizeof( UV ), 0 ); \
+ if ( svpp ) { \
+ charid = (U16)SvIV( *svpp ); \
+ } \
+ } \
+ } \
+ if ( charid && \
+ ( base + charid > trie->uniquecharcount ) && \
+ ( base + charid - 1 - trie->uniquecharcount < trie->lasttrans) && \
+ trie->trans[ base + charid - 1 - trie->uniquecharcount ].check == state ) \
+ { \
+ state = trie->trans[ base + charid - 1 - trie->uniquecharcount ].next; \
+ } else { \
+ state = 0; \
+ } \
+ uc += len; \
+ } STMT_END
/*
- regmatch - main matching routine
STATIC I32 /* 0 failure, 1 success */
S_regmatch(pTHX_ regnode *prog)
{
+ dVAR;
register regnode *scan; /* Current node. */
regnode *next; /* Next node. */
regnode *inner; /* Next node in internal branch. */
register I32 c1 = 0, c2 = 0, paren; /* case fold search, parenth */
int minmod = 0, sw = 0, logical = 0;
I32 unwind = 0;
+
+ /* used by the trie code */
+ SV *sv_accept_buff = 0; /* accepting states we have traversed */
+ reg_trie_accepted *accept_buff = 0; /* "" */
+ reg_trie_data *trie; /* what trie are we using right now */
+ U32 accepted = 0; /* how many accepting states we have seen*/
+
#if 0
I32 firstcp = PL_savestack_ix;
#endif
- register bool do_utf8 = PL_reg_match_utf8;
+ register const bool do_utf8 = PL_reg_match_utf8;
#ifdef DEBUGGING
SV *dsv0 = PERL_DEBUG_PAD_ZERO(0);
SV *dsv1 = PERL_DEBUG_PAD_ZERO(1);
SV *dsv2 = PERL_DEBUG_PAD_ZERO(2);
+
+ SV *re_debug_flags = NULL;
#endif
+ U32 uniflags = ckWARN(WARN_UTF8) ? 0 : UTF8_ALLOW_ANY;
+
+ GET_RE_DEBUG_FLAGS;
#ifdef DEBUGGING
PL_regindent++;
#endif
+
/* Note that nextchr is a byte even in UTF */
nextchr = UCHARAT(locinput);
scan = prog;
while (scan != NULL) {
- DEBUG_r( {
+ DEBUG_EXECUTE_r( {
SV *prop = sv_newmortal();
- int docolor = *PL_colors[0];
- int taill = (docolor ? 10 : 7); /* 3 chars for "> <" */
+ const int docolor = *PL_colors[0];
+ const int taill = (docolor ? 10 : 7); /* 3 chars for "> <" */
int l = (PL_regeol - locinput) > taill ? taill : (PL_regeol - locinput);
/* The part of the string before starttry has one color
(pref0_len chars), between starttry and current
pref0_len = pref_len;
regprop(prop, scan);
{
- char *s0 =
+ const char * const s0 =
do_utf8 && OP(scan) != CANY ?
pv_uni_display(dsv0, (U8*)(locinput - pref_len),
pref0_len, 60, UNI_DISPLAY_REGEX) :
locinput - pref_len;
- int len0 = do_utf8 ? strlen(s0) : pref0_len;
- char *s1 = do_utf8 && OP(scan) != CANY ?
+ const int len0 = do_utf8 ? strlen(s0) : pref0_len;
+ const char * const s1 = do_utf8 && OP(scan) != CANY ?
pv_uni_display(dsv1, (U8*)(locinput - pref_len + pref0_len),
pref_len - pref0_len, 60, UNI_DISPLAY_REGEX) :
locinput - pref_len + pref0_len;
- int len1 = do_utf8 ? strlen(s1) : pref_len - pref0_len;
- char *s2 = do_utf8 && OP(scan) != CANY ?
+ const int len1 = do_utf8 ? strlen(s1) : pref_len - pref0_len;
+ const char * const s2 = do_utf8 && OP(scan) != CANY ?
pv_uni_display(dsv2, (U8*)locinput,
PL_regeol - locinput, 60, UNI_DISPLAY_REGEX) :
locinput;
- int len2 = do_utf8 ? strlen(s2) : l;
+ const int len2 = do_utf8 ? strlen(s2) : l;
PerlIO_printf(Perl_debug_log,
"%4"IVdf" <%s%.*s%s%s%.*s%s%s%s%.*s%s>%*s|%3"IVdf":%*s%s\n",
(IV)(locinput - PL_bostr),
15 - l - pref_len + 1,
"",
(IV)(scan - PL_regprogram), PL_regindent*2, "",
- SvPVX(prop));
+ SvPVX_const(prop));
}
});
else
nextchr = UCHARAT(++locinput);
break;
+
+
+
+ /*
+ traverse the TRIE keeping track of all accepting states
+ we transition through until we get to a failing node.
+
+ we use two slightly different pieces of code to handle
+ the traversal depending on whether its case sensitive or
+ not. we reuse the accept code however. (this should probably
+ be turned into a macro.)
+
+ */
+ case TRIEF:
+ case TRIEFL:
+ {
+ U8 *uc = ( U8* )locinput;
+ U32 state = 1;
+ U16 charid = 0;
+ U32 base = 0;
+ UV uvc = 0;
+ STRLEN len = 0;
+ STRLEN foldlen = 0;
+ U8 *uscan = (U8*)NULL;
+ STRLEN bufflen=0;
+ accepted = 0;
+
+ trie = (reg_trie_data*)PL_regdata->data[ ARG( scan ) ];
+
+ while ( state && uc <= (U8*)PL_regeol ) {
+
+ TRIE_CHECK_STATE_IS_ACCEPTING;
+
+ base = trie->states[ state ].trans.base;
+
+ DEBUG_TRIE_EXECUTE_r(
+ PerlIO_printf( Perl_debug_log,
+ "%*s %sState: %4"UVxf", Base: %4"UVxf", Accepted: %4"UVxf" ",
+ REPORT_CODE_OFF + PL_regindent * 2, "", PL_colors[4],
+ (UV)state, (UV)base, (UV)accepted );
+ );
+
+ if ( base ) {
+
+ if ( do_utf8 ) {
+ if ( foldlen>0 ) {
+ uvc = utf8n_to_uvuni( uscan, UTF8_MAXLEN, &len, uniflags );
+ foldlen -= len;
+ uscan += len;
+ len=0;
+ } else {
+ U8 foldbuf[ UTF8_MAXBYTES_CASE + 1 ];
+ uvc = utf8n_to_uvuni( (U8*)uc, UTF8_MAXLEN, &len, uniflags );
+ uvc = to_uni_fold( uvc, foldbuf, &foldlen );
+ foldlen -= UNISKIP( uvc );
+ uscan = foldbuf + UNISKIP( uvc );
+ }
+ } else {
+ uvc = (UV)*uc;
+ len = 1;
+ }
+
+ TRIE_HANDLE_CHAR;
+
+ } else {
+ state = 0;
+ }
+ DEBUG_TRIE_EXECUTE_r(
+ PerlIO_printf( Perl_debug_log,
+ "Charid:%3x CV:%4"UVxf" After State: %4"UVxf"%s\n",
+ charid, uvc, (UV)state, PL_colors[5] );
+ );
+ }
+ if ( !accepted ) {
+ sayNO;
+ } else {
+ goto TrieAccept;
+ }
+ }
+ /* unreached codepoint: we jump into the middle of the next case
+ from previous if blocks */
+ case TRIE:
+ {
+ U8 *uc = (U8*)locinput;
+ U32 state = 1;
+ U16 charid = 0;
+ U32 base = 0;
+ UV uvc = 0;
+ STRLEN len = 0;
+ STRLEN bufflen = 0;
+ accepted = 0;
+
+ trie = (reg_trie_data*)PL_regdata->data[ ARG( scan ) ];
+
+ while ( state && uc <= (U8*)PL_regeol ) {
+
+ TRIE_CHECK_STATE_IS_ACCEPTING;
+
+ base = trie->states[ state ].trans.base;
+
+ DEBUG_TRIE_EXECUTE_r(
+ PerlIO_printf( Perl_debug_log,
+ "%*s %sState: %4"UVxf", Base: %4"UVxf", Accepted: %4"UVxf" ",
+ REPORT_CODE_OFF + PL_regindent * 2, "", PL_colors[4],
+ (UV)state, (UV)base, (UV)accepted );
+ );
+
+ if ( base ) {
+
+ if ( do_utf8 ) {
+ uvc = utf8n_to_uvuni( (U8*)uc, UTF8_MAXLEN, &len, uniflags );
+ } else {
+ uvc = (U32)*uc;
+ len = 1;
+ }
+
+ TRIE_HANDLE_CHAR;
+
+ } else {
+ state = 0;
+ }
+ DEBUG_TRIE_EXECUTE_r(
+ PerlIO_printf( Perl_debug_log,
+ "Charid:%3x CV:%4"UVxf" After State: %4"UVxf"%s\n",
+ charid, uvc, (UV)state, PL_colors[5] );
+ );
+ }
+ if ( !accepted ) {
+ sayNO;
+ }
+ }
+
+
+ /*
+ There was at least one accepting state that we
+ transitioned through. Presumably the number of accepting
+ states is going to be low, typically one or two. So we
+ simply scan through to find the one with lowest wordnum.
+ Once we find it, we swap the last state into its place
+ and decrement the size. We then try to match the rest of
+ the pattern at the point where the word ends, if we
+ succeed then we end the loop, otherwise the loop
+ eventually terminates once all of the accepting states
+ have been tried.
+ */
+ TrieAccept:
+ {
+ int gotit = 0;
+
+ if ( accepted == 1 ) {
+ DEBUG_EXECUTE_r({
+ SV **tmp = av_fetch( trie->words, accept_buff[ 0 ].wordnum-1, 0 );
+ PerlIO_printf( Perl_debug_log,
+ "%*s %sonly one match : #%d <%s>%s\n",
+ REPORT_CODE_OFF+PL_regindent*2, "", PL_colors[4],
+ accept_buff[ 0 ].wordnum,
+ tmp ? SvPV_nolen_const( *tmp ) : "not compiled under -Dr",
+ PL_colors[5] );
+ });
+ PL_reginput = (char *)accept_buff[ 0 ].endpos;
+ /* in this case we free tmps/leave before we call regmatch
+ as we wont be using accept_buff again. */
+ FREETMPS;
+ LEAVE;
+ gotit = regmatch( scan + NEXT_OFF( scan ) );
+ } else {
+ DEBUG_EXECUTE_r(
+ PerlIO_printf( Perl_debug_log,"%*s %sgot %"IVdf" possible matches%s\n",
+ REPORT_CODE_OFF + PL_regindent * 2, "", PL_colors[4], (IV)accepted,
+ PL_colors[5] );
+ );
+ while ( !gotit && accepted-- ) {
+ U32 best = 0;
+ U32 cur;
+ for( cur = 1 ; cur <= accepted ; cur++ ) {
+ DEBUG_TRIE_EXECUTE_r(
+ PerlIO_printf( Perl_debug_log,
+ "%*s %sgot %"IVdf" (%d) as best, looking at %"IVdf" (%d)%s\n",
+ REPORT_CODE_OFF + PL_regindent * 2, "", PL_colors[4],
+ (IV)best, accept_buff[ best ].wordnum, (IV)cur,
+ accept_buff[ cur ].wordnum, PL_colors[5] );
+ );
+
+ if ( accept_buff[ cur ].wordnum < accept_buff[ best ].wordnum )
+ best = cur;
+ }
+ DEBUG_EXECUTE_r({
+ SV **tmp = av_fetch( trie->words, accept_buff[ best ].wordnum - 1, 0 );
+ PerlIO_printf( Perl_debug_log, "%*s %strying alternation #%d <%s> at 0x%p%s\n",
+ REPORT_CODE_OFF+PL_regindent*2, "", PL_colors[4],
+ accept_buff[best].wordnum,
+ tmp ? SvPV_nolen_const( *tmp ) : "not compiled under -Dr",scan,
+ PL_colors[5] );
+ });
+ if ( best<accepted ) {
+ reg_trie_accepted tmp = accept_buff[ best ];
+ accept_buff[ best ] = accept_buff[ accepted ];
+ accept_buff[ accepted ] = tmp;
+ best = accepted;
+ }
+ PL_reginput = (char *)accept_buff[ best ].endpos;
+
+ /*
+ as far as I can tell we only need the SAVETMPS/FREETMPS
+ for re's with EVAL in them but I'm leaving them in for
+ all until I can be sure.
+ */
+ SAVETMPS;
+ gotit = regmatch( scan + NEXT_OFF( scan ) ) ;
+ FREETMPS;
+ }
+ FREETMPS;
+ LEAVE;
+ }
+
+ if ( gotit ) {
+ sayYES;
+ } else {
+ sayNO;
+ }
+ }
+ /* unreached codepoint */
case EXACT:
s = STRING(scan);
ln = STR_LEN(scan);
if (do_utf8 != UTF) {
/* The target and the pattern have differing utf8ness. */
char *l = locinput;
- char *e = s + ln;
- STRLEN ulen;
+ const char *e = s + ln;
if (do_utf8) {
/* The target is utf8, the pattern is not utf8. */
while (s < e) {
+ STRLEN ulen;
if (l >= PL_regeol)
sayNO;
if (NATIVE_TO_UNI(*(U8*)s) !=
utf8n_to_uvuni((U8*)l, UTF8_MAXBYTES, &ulen,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY))
+ uniflags))
sayNO;
l += ulen;
s ++;
else {
/* The target is not utf8, the pattern is utf8. */
while (s < e) {
+ STRLEN ulen;
if (l >= PL_regeol)
sayNO;
if (NATIVE_TO_UNI(*((U8*)l)) !=
utf8n_to_uvuni((U8*)s, UTF8_MAXBYTES, &ulen,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY))
+ uniflags))
sayNO;
s += ulen;
l ++;
if (!nextchr)
sayNO;
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
if (!(OP(scan) == ALNUM
? swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8)
: isALNUM_LC_utf8((U8*)locinput)))
if (!nextchr && locinput >= PL_regeol)
sayNO;
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
if (OP(scan) == NALNUM
? swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8)
: isALNUM_LC_utf8((U8*)locinput))
if (locinput == PL_bostr)
ln = '\n';
else {
- U8 *r = reghop3((U8*)locinput, -1, (U8*)PL_bostr);
+ const U8 * const r = reghop3((U8*)locinput, -1, (U8*)PL_bostr);
ln = utf8n_to_uvchr(r, UTF8SKIP(r), 0, 0);
}
if (OP(scan) == BOUND || OP(scan) == NBOUND) {
ln = isALNUM_uni(ln);
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
n = swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8);
}
else {
sayNO;
if (do_utf8) {
if (UTF8_IS_CONTINUED(nextchr)) {
- LOAD_UTF8_CHARCLASS(space," ");
+ LOAD_UTF8_CHARCLASS_SPACE();
if (!(OP(scan) == SPACE
? swash_fetch(PL_utf8_space, (U8*)locinput, do_utf8)
: isSPACE_LC_utf8((U8*)locinput)))
if (!nextchr && locinput >= PL_regeol)
sayNO;
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(space," ");
+ LOAD_UTF8_CHARCLASS_SPACE();
if (OP(scan) == NSPACE
? swash_fetch(PL_utf8_space, (U8*)locinput, do_utf8)
: isSPACE_LC_utf8((U8*)locinput))
if (!nextchr)
sayNO;
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(digit,"0");
+ LOAD_UTF8_CHARCLASS_DIGIT();
if (!(OP(scan) == DIGIT
? swash_fetch(PL_utf8_digit, (U8*)locinput, do_utf8)
: isDIGIT_LC_utf8((U8*)locinput)))
if (!nextchr && locinput >= PL_regeol)
sayNO;
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(digit,"0");
+ LOAD_UTF8_CHARCLASS_DIGIT();
if (OP(scan) == NDIGIT
? swash_fetch(PL_utf8_digit, (U8*)locinput, do_utf8)
: isDIGIT_LC_utf8((U8*)locinput))
if (locinput >= PL_regeol)
sayNO;
if (do_utf8) {
- LOAD_UTF8_CHARCLASS(mark,"~");
+ LOAD_UTF8_CHARCLASS_MARK();
if (swash_fetch(PL_utf8_mark,(U8*)locinput, do_utf8))
sayNO;
locinput += PL_utf8skip[nextchr];
s = PL_bostr + ln;
if (do_utf8 && OP(scan) != REF) { /* REF can do byte comparison */
char *l = locinput;
- char *e = PL_bostr + PL_regendp[n];
+ const char *e = PL_bostr + PL_regendp[n];
/*
* Note that we can't do the "other character" lookup trick as
* in the 8-bit case (no pun intended) because in Unicode we
* have to map both upper and title case to lower case.
*/
if (OP(scan) == REFF) {
- STRLEN ulen1, ulen2;
- U8 tmpbuf1[UTF8_MAXBYTES_CASE+1];
- U8 tmpbuf2[UTF8_MAXBYTES_CASE+1];
while (s < e) {
+ STRLEN ulen1, ulen2;
+ U8 tmpbuf1[UTF8_MAXBYTES_CASE+1];
+ U8 tmpbuf2[UTF8_MAXBYTES_CASE+1];
+
if (l >= PL_regeol)
sayNO;
toLOWER_utf8((U8*)s, tmpbuf1, &ulen1);
n = ARG(scan);
PL_op = (OP_4tree*)PL_regdata->data[n];
- DEBUG_r( PerlIO_printf(Perl_debug_log, " re_eval 0x%"UVxf"\n", PTR2UV(PL_op)) );
+ DEBUG_EXECUTE_r( PerlIO_printf(Perl_debug_log, " re_eval 0x%"UVxf"\n", PTR2UV(PL_op)) );
PAD_SAVE_LOCAL(old_comppad, (PAD*)PL_regdata->data[n + 2]);
PL_regendp[0] = PL_reg_magic->mg_len = locinput - PL_bostr;
}
else {
STRLEN len;
- char *t = SvPV(ret, len);
+ const char *t = SvPV_const(ret, len);
PMOP pm;
- char *oprecomp = PL_regprecomp;
- I32 osize = PL_regsize;
- I32 onpar = PL_regnpar;
+ char * const oprecomp = PL_regprecomp;
+ const I32 osize = PL_regsize;
+ const I32 onpar = PL_regnpar;
Zero(&pm, 1, PMOP);
if (DO_UTF8(ret)) pm.op_pmdynflags |= PMdf_DYN_UTF8;
- re = CALLREGCOMP(aTHX_ t, t + len, &pm);
+ re = CALLREGCOMP(aTHX_ (char*)t, (char*)t + len, &pm);
if (!(SvFLAGS(ret)
& (SVs_TEMP | SVs_PADTMP | SVf_READONLY
| SVs_GMG)))
PL_regsize = osize;
PL_regnpar = onpar;
}
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
- "Entering embedded `%s%.60s%s%s'\n",
+ "Entering embedded \"%s%.60s%s%s\"\n",
PL_colors[0],
re->precomp,
PL_colors[1],
CHECKPOINT cp, lastcp;
CURCUR* cc = PL_regcc;
char *lastloc = cc->lastloc; /* Detection of 0-len. */
+ I32 cache_offset = 0, cache_bit = 0;
n = cc->cur + 1; /* how many we know we matched */
PL_reginput = locinput;
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s %ld out of %ld..%ld cc=%"UVxf"\n",
REPORT_CODE_OFF+PL_regindent*2, "",
PL_regcc = cc->oldcc;
if (PL_regcc)
ln = PL_regcc->cur;
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s empty match detected, try continuation...\n",
REPORT_CODE_OFF+PL_regindent*2, "")
PL_reg_leftiter = PL_reg_maxiter;
}
if (PL_reg_leftiter-- == 0) {
- I32 size = (PL_reg_maxiter + 7)/8;
+ const I32 size = (PL_reg_maxiter + 7 + POSCACHE_START)/8;
if (PL_reg_poscache) {
if ((I32)PL_reg_poscache_size < size) {
Renew(PL_reg_poscache, size, char);
}
else {
PL_reg_poscache_size = size;
- Newz(29, PL_reg_poscache, size, char);
+ Newxz(PL_reg_poscache, size, char);
}
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%sDetected a super-linear match, switching on caching%s...\n",
PL_colors[4], PL_colors[5])
);
}
if (PL_reg_leftiter < 0) {
- I32 o = locinput - PL_bostr, b;
-
- o = (scan->flags & 0xf) - 1 + o * (scan->flags>>4);
- b = o % 8;
- o /= 8;
- if (PL_reg_poscache[o] & (1<<b)) {
- DEBUG_r(
+ cache_offset = locinput - PL_bostr;
+
+ cache_offset = (scan->flags & 0xf) - 1 + POSCACHE_START
+ + cache_offset * (scan->flags>>4);
+ cache_bit = cache_offset % 8;
+ cache_offset /= 8;
+ if (PL_reg_poscache[cache_offset] & (1<<cache_bit)) {
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s already tried at this position...\n",
REPORT_CODE_OFF+PL_regindent*2, "")
);
- if (PL_reg_flags & RF_false)
+ if (PL_reg_poscache[0] & (1<<POSCACHE_SUCCESS))
+ /* cache records success */
sayYES;
else
+ /* cache records failure */
sayNO_SILENT;
}
- PL_reg_poscache[o] |= (1<<b);
+ PL_reg_poscache[cache_offset] |= (1<<cache_bit);
}
}
REGCP_SET(lastcp);
if (regmatch(cc->next)) {
regcpblow(cp);
- sayYES; /* All done. */
+ CACHEsayYES; /* All done. */
}
REGCP_UNWIND(lastcp);
regcppop();
"Complex regular subexpression recursion",
REG_INFTY - 1);
}
- sayNO;
+ CACHEsayNO;
}
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s trying longer...\n",
REPORT_CODE_OFF+PL_regindent*2, "")
REGCP_SET(lastcp);
if (regmatch(cc->scan)) {
regcpblow(cp);
- sayYES;
+ CACHEsayYES;
}
REGCP_UNWIND(lastcp);
regcppop();
cc->cur = n - 1;
cc->lastloc = lastloc;
- sayNO;
+ CACHEsayNO;
}
/* Prefer scan over next for maximal matching. */
REGCP_SET(lastcp);
if (regmatch(cc->scan)) {
regcpblow(cp);
- sayYES;
+ CACHEsayYES;
}
REGCP_UNWIND(lastcp);
regcppop(); /* Restore some previous $<digit>s? */
PL_reginput = locinput;
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s failed, try continuation...\n",
REPORT_CODE_OFF+PL_regindent*2, "")
if (PL_regcc)
ln = PL_regcc->cur;
if (regmatch(cc->next))
- sayYES;
+ CACHEsayYES;
if (PL_regcc)
PL_regcc->cur = ln;
PL_regcc = cc;
cc->cur = n - 1;
cc->lastloc = lastloc;
- sayNO;
+ CACHEsayNO;
}
/* NOT REACHED */
case BRANCHJ:
if (OP(next) != c1) /* No choice. */
next = inner; /* Avoid recursion. */
else {
- I32 lastparen = *PL_reglastparen;
+ const I32 lastparen = *PL_reglastparen;
I32 unwind1;
re_unwind_branch_t *uw;
else {
n = regrepeat_hard(scan, n, &l);
locinput = PL_reginput;
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s matched %"IVdf" times, len=%"IVdf"...\n",
(int)(REPORT_CODE_OFF+PL_regindent*2), "",
UCHARAT(PL_reginput) == c1 ||
UCHARAT(PL_reginput) == c2)
{
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s trying tail with n=%"IVdf"...\n",
(int)(REPORT_CODE_OFF+PL_regindent*2), "", (IV)n)
to_utf8_upper((U8*)s, tmpbuf2, &ulen2);
c1 = utf8n_to_uvuni(tmpbuf1, UTF8_MAXBYTES, 0,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
c2 = utf8n_to_uvuni(tmpbuf2, UTF8_MAXBYTES, 0,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
}
else {
c2 = c1 = utf8n_to_uvchr(s, UTF8_MAXBYTES, 0,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
}
}
}
count = locinput - old;
}
else {
- STRLEN len;
if (c1 == c2) {
+ STRLEN len;
/* count initialised to
* utf8_distance(old, locinput) */
while (locinput <= e &&
utf8n_to_uvchr((U8*)locinput,
UTF8_MAXBYTES, &len,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY) != (UV)c1) {
+ uniflags) != (UV)c1) {
locinput += len;
count++;
}
} else {
+ STRLEN len;
/* count initialised to
* utf8_distance(old, locinput) */
while (locinput <= e) {
UV c = utf8n_to_uvchr((U8*)locinput,
UTF8_MAXBYTES, &len,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
if (c == (UV)c1 || c == (UV)c2)
break;
locinput += len;
if (do_utf8)
c = utf8n_to_uvchr((U8*)PL_reginput,
UTF8_MAXBYTES, 0,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
else
c = UCHARAT(PL_reginput);
/* If it could work, try it. */
if (do_utf8)
c = utf8n_to_uvchr((U8*)PL_reginput,
UTF8_MAXBYTES, 0,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
else
c = UCHARAT(PL_reginput);
}
if (do_utf8)
c = utf8n_to_uvchr((U8*)PL_reginput,
UTF8_MAXBYTES, 0,
- ckWARN(WARN_UTF8) ?
- 0 : UTF8_ALLOW_ANY);
+ uniflags);
else
c = UCHARAT(PL_reginput);
}
PL_reg_re = re;
cache_re(re);
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s continuation failed...\n",
REPORT_CODE_OFF+PL_regindent*2, "")
sayNO_SILENT;
}
if (locinput < PL_regtill) {
- DEBUG_r(PerlIO_printf(Perl_debug_log,
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log,
"%sMatch possible, but length=%ld is smaller than requested=%ld, failing!%s\n",
PL_colors[4],
(long)(locinput - PL_reg_starttry),
}
else
PL_reginput = locinput;
- PL_reg_flags ^= RF_false;
goto do_ifmatch;
case IFMATCH:
n = 1;
do_ifmatch:
inner = NEXTOPER(NEXTOPER(scan));
if (regmatch(inner) != n) {
- if (n == 0)
- PL_reg_flags ^= RF_false;
say_no:
if (logical) {
logical = 0;
else
sayNO;
}
- if (n == 0)
- PL_reg_flags ^= RF_false;
say_yes:
if (logical) {
logical = 0;
sayNO;
yes_loud:
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s %scould match...%s\n",
- REPORT_CODE_OFF+PL_regindent*2, "", PL_colors[4],PL_colors[5])
+ REPORT_CODE_OFF+PL_regindent*2, "", PL_colors[4], PL_colors[5])
);
goto yes;
yes_final:
- DEBUG_r(PerlIO_printf(Perl_debug_log, "%sMatch successful!%s\n",
- PL_colors[4],PL_colors[5]));
+ DEBUG_EXECUTE_r(PerlIO_printf(Perl_debug_log, "%sMatch successful!%s\n",
+ PL_colors[4], PL_colors[5]));
yes:
#ifdef DEBUGGING
PL_regindent--;
return 1;
no:
- DEBUG_r(
+ DEBUG_EXECUTE_r(
PerlIO_printf(Perl_debug_log,
"%*s %sfailed...%s\n",
- REPORT_CODE_OFF+PL_regindent*2, "",PL_colors[4],PL_colors[5])
+ REPORT_CODE_OFF+PL_regindent*2, "", PL_colors[4], PL_colors[5])
);
goto do_no;
no_final:
case RE_UNWIND_BRANCHJ:
{
re_unwind_branch_t *uwb = &(uw->branch);
- I32 lastparen = uwb->lastparen;
+ const I32 lastparen = uwb->lastparen;
REGCP_UNWIND(uwb->lastcp);
for (n = *PL_reglastparen; n > lastparen; n--)
goto do_no;
}
/* Have more choice yet. Reuse the same uwb. */
- /*SUPPRESS 560*/
if ((n = (uwb->type == RE_UNWIND_BRANCH
? NEXT_OFF(next) : ARG(next))))
next += n;
* rather than incrementing count on every character. [Er, except utf8.]]
*/
STATIC I32
-S_regrepeat(pTHX_ regnode *p, I32 max)
+S_regrepeat(pTHX_ const regnode *p, I32 max)
{
+ dVAR;
register char *scan;
register I32 c;
register char *loceol = PL_regeol;
case ALNUM:
if (do_utf8) {
loceol = PL_regeol;
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
while (hardcount < max && scan < loceol &&
swash_fetch(PL_utf8_alnum, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
case NALNUM:
if (do_utf8) {
loceol = PL_regeol;
- LOAD_UTF8_CHARCLASS(alnum,"a");
+ LOAD_UTF8_CHARCLASS_ALNUM();
while (hardcount < max && scan < loceol &&
!swash_fetch(PL_utf8_alnum, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
case SPACE:
if (do_utf8) {
loceol = PL_regeol;
- LOAD_UTF8_CHARCLASS(space," ");
+ LOAD_UTF8_CHARCLASS_SPACE();
while (hardcount < max && scan < loceol &&
(*scan == ' ' ||
swash_fetch(PL_utf8_space,(U8*)scan, do_utf8))) {
case NSPACE:
if (do_utf8) {
loceol = PL_regeol;
- LOAD_UTF8_CHARCLASS(space," ");
+ LOAD_UTF8_CHARCLASS_SPACE();
while (hardcount < max && scan < loceol &&
!(*scan == ' ' ||
swash_fetch(PL_utf8_space,(U8*)scan, do_utf8))) {
case DIGIT:
if (do_utf8) {
loceol = PL_regeol;
- LOAD_UTF8_CHARCLASS(digit,"0");
+ LOAD_UTF8_CHARCLASS_DIGIT();
while (hardcount < max && scan < loceol &&
swash_fetch(PL_utf8_digit, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
case NDIGIT:
if (do_utf8) {
loceol = PL_regeol;
- LOAD_UTF8_CHARCLASS(digit,"0");
+ LOAD_UTF8_CHARCLASS_DIGIT();
while (hardcount < max && scan < loceol &&
!swash_fetch(PL_utf8_digit, (U8*)scan, do_utf8)) {
scan += UTF8SKIP(scan);
c = scan - PL_reginput;
PL_reginput = scan;
- DEBUG_r(
- {
+ DEBUG_r({
+ SV *re_debug_flags = NULL;
SV *prop = sv_newmortal();
-
+ GET_RE_DEBUG_FLAGS;
+ DEBUG_EXECUTE_r({
regprop(prop, p);
PerlIO_printf(Perl_debug_log,
"%*s %s can match %"IVdf" times out of %"IVdf"...\n",
- REPORT_CODE_OFF+1, "", SvPVX(prop),(IV)c,(IV)max);
+ REPORT_CODE_OFF+1, "", SvPVX_const(prop),(IV)c,(IV)max);
+ });
});
return(c);
*/
SV *
-Perl_regclass_swash(pTHX_ register regnode* node, bool doinit, SV** listsvp, SV **altsvp)
+Perl_regclass_swash(pTHX_ register const regnode* node, bool doinit, SV** listsvp, SV **altsvp)
{
SV *sw = NULL;
SV *si = NULL;
SV *alt = NULL;
if (PL_regdata && PL_regdata->count) {
- U32 n = ARG(node);
+ const U32 n = ARG(node);
if (PL_regdata->what[n] == 's') {
- SV *rv = (SV*)PL_regdata->data[n];
- AV *av = (AV*)SvRV((SV*)rv);
- SV **ary = AvARRAY(av);
+ SV * const rv = (SV*)PL_regdata->data[n];
+ AV * const av = (AV*)SvRV((SV*)rv);
+ SV **const ary = AvARRAY(av);
SV **a, **b;
/* See the end of regcomp.c:S_reglass() for
*/
STATIC bool
-S_reginclass(pTHX_ register regnode *n, register U8* p, STRLEN* lenp, register bool do_utf8)
+S_reginclass(pTHX_ register const regnode *n, register const U8* p, STRLEN* lenp, register bool do_utf8)
{
- char flags = ANYOF_FLAGS(n);
+ dVAR;
+ const char flags = ANYOF_FLAGS(n);
bool match = FALSE;
UV c = *p;
STRLEN len = 0;
match = TRUE;
if (!match) {
AV *av;
- SV *sw = regclass_swash(n, TRUE, 0, (SV**)&av);
+ SV * const sw = regclass_swash(n, TRUE, 0, (SV**)&av);
if (sw) {
if (swash_fetch(sw, p, do_utf8))
else if (flags & ANYOF_FOLD) {
if (!match && lenp && av) {
I32 i;
-
for (i = 0; i <= av_len(av); i++) {
- SV* sv = *av_fetch(av, i, FALSE);
+ SV* const sv = *av_fetch(av, i, FALSE);
STRLEN len;
- char *s = SvPV(sv, len);
+ const char * const s = SvPV_const(sv, len);
if (len <= plen && memEQ(s, (char*)p, len)) {
*lenp = len;
static void
restore_pos(pTHX_ void *arg)
{
+ PERL_UNUSED_ARG(arg);
if (PL_reg_eval_set) {
if (PL_reg_oldsaved) {
PL_reg_re->subbeg = PL_reg_oldsaved;
PL_reg_re->sublen = PL_reg_oldsavedlen;
-#ifdef PERL_COPY_ON_WRITE
+#ifdef PERL_OLD_COPY_ON_WRITE
PL_reg_re->saved_copy = PL_nrs;
#endif
RX_MATCH_COPIED_on(PL_reg_re);
STATIC void
S_to_utf8_substr(pTHX_ register regexp *prog)
{
- SV* sv;
if (prog->float_substr && !prog->float_utf8) {
+ SV* sv;
prog->float_utf8 = sv = newSVsv(prog->float_substr);
sv_utf8_upgrade(sv);
if (SvTAIL(prog->float_substr))
prog->check_utf8 = sv;
}
if (prog->anchored_substr && !prog->anchored_utf8) {
+ SV* sv;
prog->anchored_utf8 = sv = newSVsv(prog->anchored_substr);
sv_utf8_upgrade(sv);
if (SvTAIL(prog->anchored_substr))
STATIC void
S_to_byte_substr(pTHX_ register regexp *prog)
{
- SV* sv;
if (prog->float_utf8 && !prog->float_substr) {
+ SV* sv;
prog->float_substr = sv = newSVsv(prog->float_utf8);
if (sv_utf8_downgrade(sv, TRUE)) {
if (SvTAIL(prog->float_utf8))
prog->check_substr = sv;
}
if (prog->anchored_utf8 && !prog->anchored_substr) {
+ SV* sv;
prog->anchored_substr = sv = newSVsv(prog->anchored_utf8);
if (sv_utf8_downgrade(sv, TRUE)) {
if (SvTAIL(prog->anchored_utf8))
prog->check_substr = sv;
}
}
+
+/*
+ * Local variables:
+ * c-indentation-style: bsd
+ * c-basic-offset: 4
+ * indent-tabs-mode: t
+ * End:
+ *
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */
https://perl5.git.perl.org / perl5.git / blobdiff