*/
/*
- * "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"]
*/
/* This file contains functions for executing a regular expression. See
**** Alterations to Henry's code are...
****
**** Copyright (C) 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999,
- **** 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007 by Larry Wall and others
+ **** 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008
+ **** by Larry Wall and others
****
**** You may distribute under the terms of either the GNU General Public
**** License or the Artistic License, as specified in the README file.
dVAR;
U32 i;
char *input;
-
GET_RE_DEBUG_FLAGS_DECL;
+ PERL_ARGS_ASSERT_REGCPPOP;
+
/* Pop REGCP_OTHER_ELEMS before the parentheses loop starts. */
i = SSPOPINT;
assert(i == SAVEt_REGCONTEXT); /* Check that the magic cookie is there. */
/* minend: end of match must be >=minend after stringarg. */
/* nosave: For optimizations. */
{
+ PERL_ARGS_ASSERT_PREGEXEC;
+
return
regexec_flags(prog, stringarg, strend, strbeg, minend, screamer, NULL,
nosave ? 0 : REXEC_COPY_STR);
#ifdef DEBUGGING
const char * const i_strpos = strpos;
#endif
-
GET_RE_DEBUG_FLAGS_DECL;
+ PERL_ARGS_ASSERT_RE_INTUIT_START;
+
RX_MATCH_UTF8_set(rx,do_utf8);
if (RX_UTF8(rx)) {
#define REXEC_TRIE_READ_CHAR(trie_type, trie, widecharmap, uc, uscan, len, \
uvc, charid, foldlen, foldbuf, uniflags) STMT_START { \
+ UV uvc_unfolded = 0; \
switch (trie_type) { \
case trie_utf8_fold: \
if ( foldlen>0 ) { \
- uvc = utf8n_to_uvuni( uscan, UTF8_MAXLEN, &len, uniflags ); \
+ uvc_unfolded = uvc = utf8n_to_uvuni( uscan, UTF8_MAXLEN, &len, uniflags ); \
foldlen -= len; \
uscan += len; \
len=0; \
} else { \
- uvc = utf8n_to_uvuni( (U8*)uc, UTF8_MAXLEN, &len, uniflags ); \
+ uvc_unfolded = uvc = utf8n_to_uvuni( (U8*)uc, UTF8_MAXLEN, &len, uniflags ); \
uvc = to_uni_fold( uvc, foldbuf, &foldlen ); \
foldlen -= UNISKIP( uvc ); \
uscan = foldbuf + UNISKIP( uvc ); \
charid = (U16)SvIV(*svpp); \
} \
} \
+ if (!charid && trie_type == trie_utf8_fold && !UTF) { \
+ charid = trie->charmap[uvc_unfolded]; \
+ } \
} STMT_END
#define REXEC_FBC_EXACTISH_CHECK(CoNd) \
register I32 tmp = 1; /* Scratch variable? */
register const bool do_utf8 = PL_reg_match_utf8;
RXi_GET_DECL(prog,progi);
+
+ PERL_ARGS_ASSERT_FIND_BYCLASS;
/* We know what class it must start with. */
switch (OP(c)) {
= (reg_ac_data*)progi->data->data[ ARG( c ) ];
reg_trie_data *trie
= (reg_trie_data*)progi->data->data[ aho->trie ];
- HV *widecharmap = (HV*) progi->data->data[ aho->trie + 1 ];
+ HV *widecharmap = MUTABLE_HV(progi->data->data[ aho->trie + 1 ]);
const char *last_start = strend - trie->minlen;
#ifdef DEBUGGING
return s;
}
-static void
-S_swap_match_buff (pTHX_ regexp *prog) {
- regexp_paren_pair *t;
-
- if (!prog->swap) {
- /* We have to be careful. If the previous successful match
- was from this regex we don't want a subsequent paritally
- successful match to clobber the old results.
- So when we detect this possibility we add a swap buffer
- to the re, and switch the buffer each match. If we fail
- we switch it back, otherwise we leave it swapped.
- */
- Newxz(prog->swap, (prog->nparens + 1), regexp_paren_pair);
- }
- t = prog->swap;
- prog->swap = prog->offs;
- prog->offs = t;
-}
-
/*
- regexec_flags - match a regexp against a string
I32 multiline;
RXi_GET_DECL(prog,progi);
regmatch_info reginfo; /* create some info to pass to regtry etc */
- bool swap_on_fail = 0;
-
+ regexp_paren_pair *swap = NULL;
GET_RE_DEBUG_FLAGS_DECL;
+ PERL_ARGS_ASSERT_REGEXEC_FLAGS;
PERL_UNUSED_ARG(data);
/* Be paranoid... */
if (prog->extflags & RXf_GPOS_SEEN) { /* Need to set reginfo->ganch */
MAGIC *mg;
-
- if (flags & REXEC_IGNOREPOS) /* Means: check only at start */
+ if (flags & REXEC_IGNOREPOS){ /* Means: check only at start */
reginfo.ganch = startpos + prog->gofs;
- else if (sv && SvTYPE(sv) >= SVt_PVMG
+ DEBUG_GPOS_r(PerlIO_printf(Perl_debug_log,
+ "GPOS IGNOREPOS: reginfo.ganch = startpos + %"UVxf"\n",(UV)prog->gofs));
+ } else if (sv && SvTYPE(sv) >= SVt_PVMG
&& SvMAGIC(sv)
&& (mg = mg_find(sv, PERL_MAGIC_regex_global))
&& mg->mg_len >= 0) {
reginfo.ganch = strbeg + mg->mg_len; /* Defined pos() */
+ DEBUG_GPOS_r(PerlIO_printf(Perl_debug_log,
+ "GPOS MAGIC: reginfo.ganch = strbeg + %"IVdf"\n",(IV)mg->mg_len));
+
if (prog->extflags & RXf_ANCH_GPOS) {
if (s > reginfo.ganch)
goto phooey;
s = reginfo.ganch - prog->gofs;
+ DEBUG_GPOS_r(PerlIO_printf(Perl_debug_log,
+ "GPOS ANCH_GPOS: s = ganch - %"UVxf"\n",(UV)prog->gofs));
+ if (s < strbeg)
+ goto phooey;
}
}
else if (data) {
reginfo.ganch = strbeg + PTR2UV(data);
- } else /* pos() not defined */
+ DEBUG_GPOS_r(PerlIO_printf(Perl_debug_log,
+ "GPOS DATA: reginfo.ganch= strbeg + %"UVxf"\n",PTR2UV(data)));
+
+ } else { /* pos() not defined */
reginfo.ganch = strbeg;
+ DEBUG_GPOS_r(PerlIO_printf(Perl_debug_log,
+ "GPOS: reginfo.ganch = strbeg\n"));
+ }
}
if (PL_curpm && (PM_GETRE(PL_curpm) == rx)) {
- swap_on_fail = 1;
- swap_match_buff(prog); /* do we need a save destructor here for
- eval dies? */
+ /* We have to be careful. If the previous successful match
+ was from this regex we don't want a subsequent partially
+ successful match to clobber the old results.
+ So when we detect this possibility we add a swap buffer
+ to the re, and switch the buffer each match. If we fail
+ we switch it back, otherwise we leave it swapped.
+ */
+ swap = prog->offs;
+ /* do we need a save destructor here for eval dies? */
+ Newxz(prog->offs, (prog->nparens + 1), regexp_paren_pair);
}
if (!(flags & REXEC_CHECKED) && (prog->check_substr != NULL || prog->check_utf8 != NULL)) {
re_scream_pos_data d;
is bogus -- we set it above, when prog->extflags & RXf_GPOS_SEEN
and we only enter this block when the same bit is set. */
char *tmp_s = reginfo.ganch - prog->gofs;
- if (regtry(®info, &tmp_s))
+
+ if (tmp_s >= strbeg && regtry(®info, &tmp_s))
goto got_it;
goto phooey;
}
goto phooey;
got_it:
+ Safefree(swap);
RX_MATCH_TAINTED_set(rx, PL_reg_flags & RF_tainted);
if (PL_reg_eval_set)
PL_colors[4], PL_colors[5]));
if (PL_reg_eval_set)
restore_pos(aTHX_ prog);
- if (swap_on_fail)
+ if (swap) {
/* we failed :-( roll it back */
- swap_match_buff(prog);
-
+ Safefree(prog->offs);
+ prog->offs = swap;
+ }
+
return 0;
}
regexp *const prog = (struct regexp *)SvANY(rx);
RXi_GET_DECL(prog,progi);
GET_RE_DEBUG_FLAGS_DECL;
+
+ PERL_ARGS_ASSERT_REGTRY;
+
reginfo->cutpoint=NULL;
if ((prog->extflags & RXf_EVAL_SEEN) && !PL_reg_eval_set) {
/* Make $_ available to executed code. */
if (reginfo->sv != DEFSV) {
SAVE_DEFSV;
- DEFSV = reginfo->sv;
+ DEFSV_set(reginfo->sv);
}
if (!(SvTYPE(reginfo->sv) >= SVt_PVMG && SvMAGIC(reginfo->sv)
Newxz(PL_reg_curpm, 1, PMOP);
#ifdef USE_ITHREADS
{
- SV* const repointer = newSViv(0);
+ SV* const repointer = &PL_sv_undef;
/* this regexp is also owned by the new PL_reg_curpm, which
will try to free it. */
av_push(PL_regex_padav, repointer);
const char *start, const char *end, const char *blurb)
{
const bool utf8_pat = RX_UTF8(prog) ? 1 : 0;
+
+ PERL_ARGS_ASSERT_DEBUG_START_MATCH;
+
if (!PL_colorset)
reginitcolors();
{
RE_PV_QUOTED_DECL(s0, utf8_pat, PERL_DEBUG_PAD_ZERO(0),
- RX_PRECOMP(prog), RX_PRELEN(prog), 60);
+ RX_PRECOMP_const(prog), RX_PRELEN(prog), 60);
RE_PV_QUOTED_DECL(s1, do_utf8, PERL_DEBUG_PAD_ZERO(1),
start, end - start, 60);
? (5 + taill) - l : locinput - loc_bostr;
int pref0_len;
+ PERL_ARGS_ASSERT_DUMP_EXEC_POS;
+
while (do_utf8 && UTF8_IS_CONTINUATION(*(U8*)(locinput - pref_len)))
pref_len++;
pref0_len = pref_len - (locinput - loc_reg_starttry);
* or 0 if non of the buffers matched.
*/
STATIC I32
-S_reg_check_named_buff_matched(pTHX_ const regexp *rex, const regnode *scan) {
+S_reg_check_named_buff_matched(pTHX_ const regexp *rex, const regnode *scan)
+{
I32 n;
RXi_GET_DECL(rex,rexi);
- SV *sv_dat=(SV*)rexi->data->data[ ARG( scan ) ];
+ SV *sv_dat= MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
I32 *nums=(I32*)SvPVX(sv_dat);
+
+ PERL_ARGS_ASSERT_REG_CHECK_NAMED_BUFF_MATCHED;
+
for ( n=0; n<SvIVX(sv_dat); n++ ) {
if ((I32)*PL_reglastparen >= nums[n] &&
PL_regoffs[nums[n]].end != -1)
dVAR;
register const bool do_utf8 = PL_reg_match_utf8;
const U32 uniflags = UTF8_ALLOW_DEFAULT;
-
REGEXP *rex_sv = reginfo->prog;
regexp *rex = (struct regexp *)SvANY(rex_sv);
RXi_GET_DECL(rex,rexi);
-
I32 oldsave;
-
/* the current state. This is a cached copy of PL_regmatch_state */
register regmatch_state *st;
-
/* cache heavy used fields of st in registers */
register regnode *scan;
register regnode *next;
const U32 max_nochange_depth =
(3 * rex->nparens > MAX_RECURSE_EVAL_NOCHANGE_DEPTH) ?
3 * rex->nparens : MAX_RECURSE_EVAL_NOCHANGE_DEPTH;
-
regmatch_state *yes_state = NULL; /* state to pop to on success of
subpattern */
/* mark_state piggy backs on the yes_state logic so that when we unwind
the stack on success we can update the mark_state as we go */
regmatch_state *mark_state = NULL; /* last mark state we have seen */
-
regmatch_state *cur_eval = NULL; /* most recent EVAL_AB state */
struct regmatch_state *cur_curlyx = NULL; /* most recent curlyx */
U32 state_num;
during a successfull match */
U32 lastopen = 0; /* last open we saw */
bool has_cutgroup = RX_HAS_CUTGROUP(rex) ? 1 : 0;
-
SV* const oreplsv = GvSV(PL_replgv);
-
-
/* these three flags are set by various ops to signal information to
* the very next op. They have a useful lifetime of exactly one loop
* iteration, and are not preserved or restored by state pushes/pops
false: plain (?=foo)
true: used as a condition: (?(?=foo))
*/
-
#ifdef DEBUGGING
GET_RE_DEBUG_FLAGS_DECL;
#endif
+ PERL_ARGS_ASSERT_REGMATCH;
+
DEBUG_OPTIMISE_r( DEBUG_EXECUTE_r({
PerlIO_printf(Perl_debug_log,"regmatch start\n");
}));
state_num = OP(scan);
reenter_switch:
+
+ assert(PL_reglastparen == &rex->lastparen);
+ assert(PL_reglastcloseparen == &rex->lastcloseparen);
+ assert(PL_regoffs == rex->offs);
+
switch (state_num) {
case BOL:
if (locinput == PL_bostr)
/* what trie are we using right now */
reg_trie_data * const trie
= (reg_trie_data*)rexi->data->data[ ARG( scan ) ];
- HV * widecharmap = (HV *)rexi->data->data[ ARG( scan ) + 1 ];
+ HV * widecharmap = MUTABLE_HV(rexi->data->data[ ARG( scan ) + 1 ]);
U32 state = trie->startstate;
if (trie->bitmap && trie_type != trie_utf8_fold &&
if ( got_wordnum ) {
if ( ! ST.accepted ) {
ENTER;
- /* SAVETMPS; */ /* XXX is this necessary? dmq */
+ SAVETMPS; /* XXX is this necessary? dmq */
bufflen = TRIE_INITAL_ACCEPT_BUFFLEN;
sv_accept_buff=newSV(bufflen *
sizeof(reg_trie_accepted) - 1);
/* only one choice left - just continue */
DEBUG_EXECUTE_r({
AV *const trie_words
- = (AV *) rexi->data->data[ARG(ST.me)+TRIE_WORDS_OFFSET];
+ = MUTABLE_AV(rexi->data->data[ARG(ST.me)+TRIE_WORDS_OFFSET]);
SV ** const tmp = av_fetch( trie_words,
ST.accept_buff[ 0 ].wordnum-1, 0 );
SV *sv= tmp ? sv_newmortal() : NULL;
DEBUG_EXECUTE_r({
AV *const trie_words
- = (AV *) rexi->data->data[ARG(ST.me)+TRIE_WORDS_OFFSET];
+ = MUTABLE_AV(rexi->data->data[ARG(ST.me)+TRIE_WORDS_OFFSET]);
SV ** const tmp = av_fetch( trie_words,
ST.accept_buff[ best ].wordnum - 1, 0 );
regnode *nextop=(!ST.jump || !ST.jump[ST.accept_buff[best].wordnum]) ?
}
/* NOTREACHED */
case TRIE_next:
+ /* we dont want to throw this away, see bug 57042*/
+ if (oreplsv != GvSV(PL_replgv))
+ sv_setsv(oreplsv, GvSV(PL_replgv));
FREETMPS;
LEAVE;
sayYES;
nextchr = UCHARAT(locinput);
break;
}
+ case BOUNDL:
+ case NBOUNDL:
+ PL_reg_flags |= RF_tainted;
+ /* FALL THROUGH */
+ case BOUND:
+ case NBOUND:
+ /* was last char in word? */
+ if (do_utf8) {
+ if (locinput == PL_bostr)
+ ln = '\n';
+ else {
+ const U8 * const r = reghop3((U8*)locinput, -1, (U8*)PL_bostr);
+
+ ln = utf8n_to_uvchr(r, UTF8SKIP(r), 0, uniflags);
+ }
+ if (OP(scan) == BOUND || OP(scan) == NBOUND) {
+ ln = isALNUM_uni(ln);
+ LOAD_UTF8_CHARCLASS_ALNUM();
+ n = swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8);
+ }
+ else {
+ ln = isALNUM_LC_uvchr(UNI_TO_NATIVE(ln));
+ n = isALNUM_LC_utf8((U8*)locinput);
+ }
+ }
+ else {
+ ln = (locinput != PL_bostr) ?
+ UCHARAT(locinput - 1) : '\n';
+ if (OP(scan) == BOUND || OP(scan) == NBOUND) {
+ ln = isALNUM(ln);
+ n = isALNUM(nextchr);
+ }
+ else {
+ ln = isALNUM_LC(ln);
+ n = isALNUM_LC(nextchr);
+ }
+ }
+ if (((!ln) == (!n)) == (OP(scan) == BOUND ||
+ OP(scan) == BOUNDL))
+ sayNO;
+ break;
case ANYOF:
if (do_utf8) {
STRLEN inclasslen = PL_regeol - locinput;
sayNO;
nextchr = UCHARAT(++locinput);
break;
- case BOUNDL:
- case NBOUNDL:
- PL_reg_flags |= RF_tainted;
- /* FALL THROUGH */
- case BOUND:
- case NBOUND:
- /* was last char in word? */
- if (do_utf8) {
- if (locinput == PL_bostr)
- ln = '\n';
- else {
- const U8 * const r = reghop3((U8*)locinput, -1, (U8*)PL_bostr);
-
- ln = utf8n_to_uvchr(r, UTF8SKIP(r), 0, uniflags);
- }
- if (OP(scan) == BOUND || OP(scan) == NBOUND) {
- ln = isALNUM_uni(ln);
- LOAD_UTF8_CHARCLASS_ALNUM();
- n = swash_fetch(PL_utf8_alnum, (U8*)locinput, do_utf8);
- }
- else {
- ln = isALNUM_LC_uvchr(UNI_TO_NATIVE(ln));
- n = isALNUM_LC_utf8((U8*)locinput);
- }
- }
- else {
- ln = (locinput != PL_bostr) ?
- UCHARAT(locinput - 1) : '\n';
- if (OP(scan) == BOUND || OP(scan) == NBOUND) {
- ln = isALNUM(ln);
- n = isALNUM(nextchr);
- }
- else {
- ln = isALNUM_LC(ln);
- n = isALNUM_LC(nextchr);
- }
- }
- if (((!ln) == (!n)) == (OP(scan) == BOUND ||
- OP(scan) == BOUNDL))
- sayNO;
- break;
case SPACEL:
PL_reg_flags |= RF_tainted;
/* FALL THROUGH */
nextchr = UCHARAT(locinput);
break;
}
- if (!(OP(scan) == SPACE
- ? isSPACE(nextchr) : isSPACE_LC(nextchr)))
- sayNO;
- nextchr = UCHARAT(++locinput);
- }
- else {
- if (!(OP(scan) == SPACE
- ? isSPACE(nextchr) : isSPACE_LC(nextchr)))
- sayNO;
- nextchr = UCHARAT(++locinput);
}
+ if (!(OP(scan) == SPACE
+ ? isSPACE(nextchr) : isSPACE_LC(nextchr)))
+ sayNO;
+ nextchr = UCHARAT(++locinput);
break;
case NSPACEL:
PL_reg_flags |= RF_tainted;
OP_4tree * const oop = PL_op;
COP * const ocurcop = PL_curcop;
PAD *old_comppad;
+ char *saved_regeol = PL_regeol;
n = ARG(scan);
PL_op = (OP_4tree*)rexi->data->data[n];
PL_op = oop;
PAD_RESTORE_LOCAL(old_comppad);
PL_curcop = ocurcop;
+ PL_regeol = saved_regeol;
if (!logical) {
/* /(?{...})/ */
sv_setsv(save_scalar(PL_replgv), ret);
/* This isn't a first class regexp. Instead, it's
caching a regexp onto an existing, Perl visible
scalar. */
- sv_magic(ret, (SV*) rx, PERL_MAGIC_qr, 0, 0);
+ sv_magic(ret, MUTABLE_SV(rx), PERL_MAGIC_qr, 0, 0);
}
PL_regsize = osize;
}
regcpblow(ST.cp);
cur_eval = ST.prev_eval;
cur_curlyx = ST.prev_curlyx;
-
+
+ /* rex was changed so update the pointer in PL_reglastparen and PL_reglastcloseparen */
PL_reglastparen = &rex->lastparen;
PL_reglastcloseparen = &rex->lastcloseparen;
+ /* also update PL_regoffs */
+ PL_regoffs = rex->offs;
/* XXXX This is too dramatic a measure... */
PL_reg_maxiter = 0;
SETREX(rex_sv,ST.prev_rex);
rex = (struct regexp *)SvANY(rex_sv);
rexi = RXi_GET(rex);
+ /* rex was changed so update the pointer in PL_reglastparen and PL_reglastcloseparen */
PL_reglastparen = &rex->lastparen;
PL_reglastcloseparen = &rex->lastcloseparen;
case CUTGROUP:
PL_reginput = locinput;
sv_yes_mark = st->u.mark.mark_name = scan->flags ? NULL :
- (SV*)rexi->data->data[ ARG( scan ) ];
+ MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
PUSH_STATE_GOTO(CUTGROUP_next,next);
/* NOTREACHED */
case CUTGROUP_next_fail:
case CURLYM: /* /A{m,n}B/ where A is fixed-length */
/* This is an optimisation of CURLYX that enables us to push
- * only a single backtracking state, no matter now many matches
+ * only a single backtracking state, no matter how many matches
* there are in {m,n}. It relies on the pattern being constant
* length, with no parens to influence future backrefs
*/
cur_eval->u.eval.close_paren == (U32)ST.me->flags)
goto fake_end;
- if ( ST.count < (ST.minmod ? ARG1(ST.me) : ARG2(ST.me)) )
- goto curlym_do_A; /* try to match another A */
+ {
+ I32 max = (ST.minmod ? ARG1(ST.me) : ARG2(ST.me));
+ if ( max == REG_INFTY || ST.count < max )
+ goto curlym_do_A; /* try to match another A */
+ }
goto curlym_do_B; /* try to match B */
case CURLYM_A_fail: /* just failed to match an A */
case CURLYM_B_fail: /* just failed to match a B */
REGCP_UNWIND(ST.cp);
if (ST.minmod) {
- if (ST.count == ARG2(ST.me) /* max */)
+ I32 max = ARG2(ST.me);
+ if (max != REG_INFTY && ST.count == max)
sayNO;
goto curlym_do_A; /* try to match a further A */
}
cur_curlyx = cur_eval->u.eval.prev_curlyx;
ReREFCNT_inc(rex_sv);
st->u.eval.cp = regcppush(0); /* Save *all* the positions. */
+
+ /* rex was changed so update the pointer in PL_reglastparen and PL_reglastcloseparen */
+ PL_reglastparen = &rex->lastparen;
+ PL_reglastcloseparen = &rex->lastcloseparen;
+
REGCP_SET(st->u.eval.lastcp);
PL_reginput = locinput;
do_ifmatch:
ST.me = scan;
ST.logical = logical;
+ logical = 0; /* XXX: reset state of logical once it has been saved into ST */
+
/* execute body of (?...A) */
PUSH_YES_STATE_GOTO(IFMATCH_A, NEXTOPER(NEXTOPER(scan)));
/* NOTREACHED */
case PRUNE:
PL_reginput = locinput;
if (!scan->flags)
- sv_yes_mark = sv_commit = (SV*)rexi->data->data[ ARG( scan ) ];
+ sv_yes_mark = sv_commit = MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
PUSH_STATE_GOTO(COMMIT_next,next);
/* NOTREACHED */
case COMMIT_next_fail:
case MARKPOINT:
ST.prev_mark = mark_state;
ST.mark_name = sv_commit = sv_yes_mark
- = (SV*)rexi->data->data[ ARG( scan ) ];
+ = MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
mark_state = st;
ST.mark_loc = PL_reginput = locinput;
PUSH_YES_STATE_GOTO(MARKPOINT_next,next);
otherwise do nothing. Meaning we need to scan
*/
regmatch_state *cur = mark_state;
- SV *find = (SV*)rexi->data->data[ ARG( scan ) ];
+ SV *find = MUTABLE_SV(rexi->data->data[ ARG( scan ) ]);
while (cur) {
if ( sv_eq( cur->u.mark.mark_name,
PERL_UNUSED_ARG(depth);
#endif
+ PERL_ARGS_ASSERT_REGREPEAT;
+
scan = PL_reginput;
if (max == REG_INFTY)
max = I32_MAX;
RXi_GET_DECL(prog,progi);
const struct reg_data * const data = prog ? progi->data : NULL;
+ PERL_ARGS_ASSERT_REGCLASS_SWASH;
+
if (data && data->count) {
const U32 n = ARG(node);
if (data->what[n] == 's') {
- SV * const rv = (SV*)data->data[n];
- AV * const av = (AV*)SvRV((SV*)rv);
+ SV * const rv = MUTABLE_SV(data->data[n]);
+ AV * const av = MUTABLE_AV(SvRV(rv));
SV **const ary = AvARRAY(av);
SV **a, **b;
STRLEN len = 0;
STRLEN plen;
+ PERL_ARGS_ASSERT_REGINCLASS;
+
if (do_utf8 && !UTF8_IS_INVARIANT(c)) {
c = utf8n_to_uvchr(p, UTF8_MAXBYTES, &len,
(UTF8_ALLOW_DEFAULT & UTF8_ALLOW_ANYUV) | UTF8_CHECK_ONLY);
SV * const sw = regclass_swash(prog, n, TRUE, 0, (SV**)&av);
if (sw) {
- if (swash_fetch(sw, p, do_utf8))
+ U8 * utf8_p;
+ if (do_utf8) {
+ utf8_p = (U8 *) p;
+ } else {
+ STRLEN len = 1;
+ utf8_p = bytes_to_utf8(p, &len);
+ }
+ if (swash_fetch(sw, utf8_p, 1))
match = TRUE;
else if (flags & ANYOF_FOLD) {
if (!match && lenp && av) {
SV* const sv = *av_fetch(av, i, FALSE);
STRLEN len;
const char * const s = SvPV_const(sv, len);
-
- if (len <= plen && memEQ(s, (char*)p, len)) {
+ if (len <= plen && memEQ(s, (char*)utf8_p, len)) {
*lenp = len;
match = TRUE;
break;
}
if (!match) {
U8 tmpbuf[UTF8_MAXBYTES_CASE+1];
- STRLEN tmplen;
- to_utf8_fold(p, tmpbuf, &tmplen);
- if (swash_fetch(sw, tmpbuf, do_utf8))
+ STRLEN tmplen;
+ to_utf8_fold(utf8_p, tmpbuf, &tmplen);
+ if (swash_fetch(sw, tmpbuf, 1))
match = TRUE;
}
}
+
+ /* If we allocated a string above, free it */
+ if (! do_utf8) Safefree(utf8_p);
}
}
if (match && lenp && *lenp == 0)
S_reghop3(U8 *s, I32 off, const U8* lim)
{
dVAR;
+
+ PERL_ARGS_ASSERT_REGHOP3;
+
if (off >= 0) {
while (off-- && s < lim) {
/* XXX could check well-formedness here */
S_reghop4(U8 *s, I32 off, const U8* llim, const U8* rlim)
{
dVAR;
+
+ PERL_ARGS_ASSERT_REGHOP4;
+
if (off >= 0) {
while (off-- && s < rlim) {
/* XXX could check well-formedness here */
S_reghopmaybe3(U8* s, I32 off, const U8* lim)
{
dVAR;
+
+ PERL_ARGS_ASSERT_REGHOPMAYBE3;
+
if (off >= 0) {
while (off-- && s < lim) {
/* XXX could check well-formedness here */
S_to_utf8_substr(pTHX_ register regexp *prog)
{
int i = 1;
+
+ PERL_ARGS_ASSERT_TO_UTF8_SUBSTR;
+
do {
if (prog->substrs->data[i].substr
&& !prog->substrs->data[i].utf8_substr) {
{
dVAR;
int i = 1;
+
+ PERL_ARGS_ASSERT_TO_BYTE_SUBSTR;
+
do {
if (prog->substrs->data[i].utf8_substr
&& !prog->substrs->data[i].substr) {
https://perl5.git.perl.org / perl5.git / blobdiff