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authornaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-08-04 04:14:38 (GMT)
committernaruse <naruse@b2dd03c8-39d4-4d8f-98ff-823fe69b080e>2009-08-04 04:14:38 (GMT)
commit60ab77a16a89b0461205a3a6395009266a3ba279 (patch)
tree47b35d8e124d9e4bc4b24c0d95702f525d5729e0 /regparse.c
parent38107457a387811b1dae6bba6c2904385f52722e (diff)
Warn duplicated characters in character class of regexp. [ruby-core:24593]
* include/ruby/oniguruma.h (ONIG_SYN_WARN_CC_DUP): defined. * regparse.h (ScanEnv): add warnings_flag. * regparse.c (CC_DUP_WARN): defined for warn duplicated characters in character class of regexp. [ruby-core:24593] (add_code_range_to_buf): add CC_DUP_WARN. (next_state_val): add CC_DUP_WARN. (OnigSyntaxRuby): add ONIG_SYN_WARN_CC_DUP. (SET_ALL_MULTI_BYTE_RANGE): add env to arguments. (add_code_range): ditto. (add_code_range_to_buf): ditto. (not_code_range_buf): ditto. (or_code_range_buf): ditto. (and_code_range1): ditto. (and_code_range_buf): ditto. (and_cclass): ditto. (or_cclass): ditto. (add_ctype_to_cc_by_range): ditto. (add_ctype_to_cc): ditto. (parse_char_class): ditto. git-svn-id: svn+ssh://ci.ruby-lang.org/ruby/trunk@24387 b2dd03c8-39d4-4d8f-98ff-823fe69b080e
Diffstat (limited to 'regparse.c')
-rw-r--r--regparse.c130
1 files changed, 79 insertions, 51 deletions
diff --git a/regparse.c b/regparse.c
index 2a8f984..435e4de 100644
--- a/regparse.c
+++ b/regparse.c
@@ -57,6 +57,7 @@ const OnigSyntaxType OnigSyntaxRuby = {
ONIG_SYN_ALLOW_MULTIPLEX_DEFINITION_NAME |
ONIG_SYN_FIXED_INTERVAL_IS_GREEDY_ONLY |
ONIG_SYN_WARN_CC_OP_NOT_ESCAPED |
+ ONIG_SYN_WARN_CC_DUP |
ONIG_SYN_WARN_REDUNDANT_NESTED_REPEAT )
, ONIG_OPTION_NONE
,
@@ -96,6 +97,8 @@ extern void onig_set_verb_warn_func(OnigWarnFunc f)
onig_verb_warn = f;
}
+static void CC_DUP_WARN(ScanEnv *env);
+
static void
bbuf_free(BBuf* bbuf)
{
@@ -129,7 +132,7 @@ bbuf_clone(BBuf** rto, BBuf* from)
(OnigCodePoint )(ONIGENC_MBC_MINLEN(enc) > 1 ? 0 : 0x80)
#define SET_ALL_MULTI_BYTE_RANGE(enc, pbuf) \
- add_code_range_to_buf(pbuf, MBCODE_START_POS(enc), ~((OnigCodePoint )0))
+ add_code_range_to_buf(pbuf, env, MBCODE_START_POS(enc), ~((OnigCodePoint )0))
#define ADD_ALL_MULTI_BYTE_RANGE(enc, mbuf) do {\
if (! ONIGENC_IS_SINGLEBYTE(enc)) {\
@@ -139,6 +142,11 @@ bbuf_clone(BBuf** rto, BBuf* from)
} while (0)
+#define BITSET_SET_BIT_CHKDUP(bs, pos) do { \
+ if (BITSET_AT(bs, pos)) CC_DUP_WARN(env); \
+ BS_ROOM(bs, pos) |= BS_BIT(pos); \
+} while (0)
+
#define BITSET_IS_EMPTY(bs,empty) do {\
int i;\
empty = 1;\
@@ -150,11 +158,11 @@ bbuf_clone(BBuf** rto, BBuf* from)
} while (0)
static void
-bitset_set_range(BitSetRef bs, int from, int to)
+bitset_set_range(ScanEnv *env, BitSetRef bs, int from, int to)
{
int i;
for (i = from; i <= to && i < SINGLE_BYTE_SIZE; i++) {
- BITSET_SET_BIT(bs, i);
+ BITSET_SET_BIT_CHKDUP(bs, i);
}
}
@@ -1689,7 +1697,7 @@ new_code_range(BBuf** pbuf)
}
static int
-add_code_range_to_buf(BBuf** pbuf, OnigCodePoint from, OnigCodePoint to)
+add_code_range_to_buf(BBuf** pbuf, ScanEnv* env, OnigCodePoint from, OnigCodePoint to)
{
int r, inc_n, pos;
int low, high, bound, x;
@@ -1736,8 +1744,10 @@ add_code_range_to_buf(BBuf** pbuf, OnigCodePoint from, OnigCodePoint to)
if (inc_n != 1) {
if (from > data[low*2])
from = data[low*2];
+ else CC_DUP_WARN(env);
if (to < data[(high - 1)*2 + 1])
to = data[(high - 1)*2 + 1];
+ else CC_DUP_WARN(env);
}
if (inc_n != 0 && (OnigCodePoint )high < n) {
@@ -1773,11 +1783,11 @@ add_code_range(BBuf** pbuf, ScanEnv* env, OnigCodePoint from, OnigCodePoint to)
return ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS;
}
- return add_code_range_to_buf(pbuf, from, to);
+ return add_code_range_to_buf(pbuf, env, from, to);
}
static int
-not_code_range_buf(OnigEncoding enc, BBuf* bbuf, BBuf** pbuf)
+not_code_range_buf(OnigEncoding enc, BBuf* bbuf, BBuf** pbuf, ScanEnv* env)
{
int r, i, n;
OnigCodePoint pre, from, *data, to = 0;
@@ -1799,14 +1809,14 @@ not_code_range_buf(OnigEncoding enc, BBuf* bbuf, BBuf** pbuf)
from = data[i*2];
to = data[i*2+1];
if (pre <= from - 1) {
- r = add_code_range_to_buf(pbuf, pre, from - 1);
+ r = add_code_range_to_buf(pbuf, env, pre, from - 1);
if (r != 0) return r;
}
if (to == ~((OnigCodePoint )0)) break;
pre = to + 1;
}
if (to < ~((OnigCodePoint )0)) {
- r = add_code_range_to_buf(pbuf, to + 1, ~((OnigCodePoint )0));
+ r = add_code_range_to_buf(pbuf, env, to + 1, ~((OnigCodePoint )0));
}
return r;
}
@@ -1820,7 +1830,7 @@ not_code_range_buf(OnigEncoding enc, BBuf* bbuf, BBuf** pbuf)
static int
or_code_range_buf(OnigEncoding enc, BBuf* bbuf1, int not1,
- BBuf* bbuf2, int not2, BBuf** pbuf)
+ BBuf* bbuf2, int not2, BBuf** pbuf, ScanEnv* env)
{
int r;
OnigCodePoint i, n1, *data1;
@@ -1846,7 +1856,7 @@ or_code_range_buf(OnigEncoding enc, BBuf* bbuf1, int not1,
return bbuf_clone(pbuf, bbuf2);
}
else {
- return not_code_range_buf(enc, bbuf2, pbuf);
+ return not_code_range_buf(enc, bbuf2, pbuf, env);
}
}
}
@@ -1862,21 +1872,21 @@ or_code_range_buf(OnigEncoding enc, BBuf* bbuf1, int not1,
r = bbuf_clone(pbuf, bbuf2);
}
else if (not1 == 0) { /* 1 OR (not 2) */
- r = not_code_range_buf(enc, bbuf2, pbuf);
+ r = not_code_range_buf(enc, bbuf2, pbuf, env);
}
if (r != 0) return r;
for (i = 0; i < n1; i++) {
from = data1[i*2];
to = data1[i*2+1];
- r = add_code_range_to_buf(pbuf, from, to);
+ r = add_code_range_to_buf(pbuf, env, from, to);
if (r != 0) return r;
}
return 0;
}
static int
-and_code_range1(BBuf** pbuf, OnigCodePoint from1, OnigCodePoint to1,
+and_code_range1(BBuf** pbuf, ScanEnv* env, OnigCodePoint from1, OnigCodePoint to1,
OnigCodePoint* data, int n)
{
int i, r;
@@ -1894,7 +1904,7 @@ and_code_range1(BBuf** pbuf, OnigCodePoint from1, OnigCodePoint to1,
else if (from2 <= to1) {
if (to2 < to1) {
if (from1 <= from2 - 1) {
- r = add_code_range_to_buf(pbuf, from1, from2-1);
+ r = add_code_range_to_buf(pbuf, env, from1, from2-1);
if (r != 0) return r;
}
from1 = to2 + 1;
@@ -1909,14 +1919,14 @@ and_code_range1(BBuf** pbuf, OnigCodePoint from1, OnigCodePoint to1,
if (from1 > to1) break;
}
if (from1 <= to1) {
- r = add_code_range_to_buf(pbuf, from1, to1);
+ r = add_code_range_to_buf(pbuf, env, from1, to1);
if (r != 0) return r;
}
return 0;
}
static int
-and_code_range_buf(BBuf* bbuf1, int not1, BBuf* bbuf2, int not2, BBuf** pbuf)
+and_code_range_buf(BBuf* bbuf1, int not1, BBuf* bbuf2, int not2, BBuf** pbuf, ScanEnv* env)
{
int r;
OnigCodePoint i, j, n1, n2, *data1, *data2;
@@ -1955,7 +1965,7 @@ and_code_range_buf(BBuf* bbuf1, int not1, BBuf* bbuf2, int not2, BBuf** pbuf)
if (to2 < from1) continue;
from = MAX(from1, from2);
to = MIN(to1, to2);
- r = add_code_range_to_buf(pbuf, from, to);
+ r = add_code_range_to_buf(pbuf, env, from, to);
if (r != 0) return r;
}
}
@@ -1964,7 +1974,7 @@ and_code_range_buf(BBuf* bbuf1, int not1, BBuf* bbuf2, int not2, BBuf** pbuf)
for (i = 0; i < n1; i++) {
from1 = data1[i*2];
to1 = data1[i*2+1];
- r = and_code_range1(pbuf, from1, to1, data2, n2);
+ r = and_code_range1(pbuf, env, from1, to1, data2, n2);
if (r != 0) return r;
}
}
@@ -1973,8 +1983,9 @@ and_code_range_buf(BBuf* bbuf1, int not1, BBuf* bbuf2, int not2, BBuf** pbuf)
}
static int
-and_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
+and_cclass(CClassNode* dest, CClassNode* cc, ScanEnv* env)
{
+ OnigEncoding enc = env->enc;
int r, not1, not2;
BBuf *buf1, *buf2, *pbuf;
BitSetRef bsr1, bsr2;
@@ -2006,13 +2017,13 @@ and_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
if (! ONIGENC_IS_SINGLEBYTE(enc)) {
if (not1 != 0 && not2 != 0) {
- r = or_code_range_buf(enc, buf1, 0, buf2, 0, &pbuf);
+ r = or_code_range_buf(enc, buf1, 0, buf2, 0, &pbuf, env);
}
else {
- r = and_code_range_buf(buf1, not1, buf2, not2, &pbuf);
+ r = and_code_range_buf(buf1, not1, buf2, not2, &pbuf, env);
if (r == 0 && not1 != 0) {
BBuf *tbuf;
- r = not_code_range_buf(enc, pbuf, &tbuf);
+ r = not_code_range_buf(enc, pbuf, &tbuf, env);
if (r != 0) {
bbuf_free(pbuf);
return r;
@@ -2031,8 +2042,9 @@ and_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
}
static int
-or_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
+or_cclass(CClassNode* dest, CClassNode* cc, ScanEnv* env)
{
+ OnigEncoding enc = env->enc;
int r, not1, not2;
BBuf *buf1, *buf2, *pbuf;
BitSetRef bsr1, bsr2;
@@ -2064,13 +2076,13 @@ or_cclass(CClassNode* dest, CClassNode* cc, OnigEncoding enc)
if (! ONIGENC_IS_SINGLEBYTE(enc)) {
if (not1 != 0 && not2 != 0) {
- r = and_code_range_buf(buf1, 0, buf2, 0, &pbuf);
+ r = and_code_range_buf(buf1, 0, buf2, 0, &pbuf, env);
}
else {
- r = or_code_range_buf(enc, buf1, not1, buf2, not2, &pbuf);
+ r = or_code_range_buf(enc, buf1, not1, buf2, not2, &pbuf, env);
if (r == 0 && not1 != 0) {
BBuf *tbuf;
- r = not_code_range_buf(enc, pbuf, &tbuf);
+ r = not_code_range_buf(enc, pbuf, &tbuf, env);
if (r != 0) {
bbuf_free(pbuf);
return r;
@@ -2839,6 +2851,22 @@ CLOSE_BRACKET_WITHOUT_ESC_WARN(ScanEnv* env, UChar* c)
}
}
+static void
+CC_DUP_WARN(ScanEnv *env)
+{
+ UChar buf[WARN_BUFSIZE];
+ if (onig_warn == onig_null_warn || !RTEST(ruby_verbose)) return ;
+
+ if (IS_SYNTAX_BV((env)->syntax, ONIG_SYN_WARN_CC_DUP) &&
+ !((env)->warnings_flag & ONIG_SYN_WARN_CC_DUP)) {
+ (env)->warnings_flag |= ONIG_SYN_WARN_CC_DUP;
+ onig_snprintf_with_pattern(buf, WARN_BUFSIZE, env->enc,
+ env->pattern, env->pattern_end,
+ (UChar* )"character class has duplicated range");
+ (*onig_warn)((char* )buf);
+ }
+}
+
static UChar*
find_str_position(OnigCodePoint s[], int n, UChar* from, UChar* to,
UChar **next, OnigEncoding enc)
@@ -3756,7 +3784,7 @@ fetch_token(OnigToken* tok, UChar** src, UChar* end, ScanEnv* env)
static int
add_ctype_to_cc_by_range(CClassNode* cc, int ctype ARG_UNUSED, int not,
- OnigEncoding enc ARG_UNUSED,
+ ScanEnv* env,
OnigCodePoint sb_out, const OnigCodePoint mbr[])
{
int i, r;
@@ -3771,7 +3799,7 @@ add_ctype_to_cc_by_range(CClassNode* cc, int ctype ARG_UNUSED, int not,
if (j >= sb_out) {
if (j == ONIGENC_CODE_RANGE_TO(mbr, i)) i++;
else if (j > ONIGENC_CODE_RANGE_FROM(mbr, i)) {
- r = add_code_range_to_buf(&(cc->mbuf), j,
+ r = add_code_range_to_buf(&(cc->mbuf), env, j,
ONIGENC_CODE_RANGE_TO(mbr, i));
if (r != 0) return r;
i++;
@@ -3779,13 +3807,13 @@ add_ctype_to_cc_by_range(CClassNode* cc, int ctype ARG_UNUSED, int not,
goto sb_end;
}
- BITSET_SET_BIT(cc->bs, j);
+ BITSET_SET_BIT_CHKDUP(cc->bs, j);
}
}
sb_end:
for ( ; i < n; i++) {
- r = add_code_range_to_buf(&(cc->mbuf),
+ r = add_code_range_to_buf(&(cc->mbuf), env,
ONIGENC_CODE_RANGE_FROM(mbr, i),
ONIGENC_CODE_RANGE_TO(mbr, i));
if (r != 0) return r;
@@ -3800,12 +3828,12 @@ add_ctype_to_cc_by_range(CClassNode* cc, int ctype ARG_UNUSED, int not,
if (j >= sb_out) {
goto sb_end2;
}
- BITSET_SET_BIT(cc->bs, j);
+ BITSET_SET_BIT_CHKDUP(cc->bs, j);
}
prev = ONIGENC_CODE_RANGE_TO(mbr, i) + 1;
}
for (j = prev; j < sb_out; j++) {
- BITSET_SET_BIT(cc->bs, j);
+ BITSET_SET_BIT_CHKDUP(cc->bs, j);
}
sb_end2:
@@ -3813,14 +3841,14 @@ add_ctype_to_cc_by_range(CClassNode* cc, int ctype ARG_UNUSED, int not,
for (i = 0; i < n; i++) {
if (prev < ONIGENC_CODE_RANGE_FROM(mbr, i)) {
- r = add_code_range_to_buf(&(cc->mbuf), prev,
+ r = add_code_range_to_buf(&(cc->mbuf), env, prev,
ONIGENC_CODE_RANGE_FROM(mbr, i) - 1);
if (r != 0) return r;
}
prev = ONIGENC_CODE_RANGE_TO(mbr, i) + 1;
}
if (prev < 0x7fffffff) {
- r = add_code_range_to_buf(&(cc->mbuf), prev, 0x7fffffff);
+ r = add_code_range_to_buf(&(cc->mbuf), env, prev, 0x7fffffff);
if (r != 0) return r;
}
}
@@ -3838,7 +3866,7 @@ add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
r = ONIGENC_GET_CTYPE_CODE_RANGE(enc, ctype, &sb_out, &ranges);
if (r == 0) {
- return add_ctype_to_cc_by_range(cc, ctype, not, env->enc, sb_out, ranges);
+ return add_ctype_to_cc_by_range(cc, ctype, not, env, sb_out, ranges);
}
else if (r != ONIG_NO_SUPPORT_CONFIG) {
return r;
@@ -3860,14 +3888,14 @@ add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
if (not != 0) {
for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
if (! ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
- BITSET_SET_BIT(cc->bs, c);
+ BITSET_SET_BIT_CHKDUP(cc->bs, c);
}
ADD_ALL_MULTI_BYTE_RANGE(enc, cc->mbuf);
}
else {
for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
if (ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
- BITSET_SET_BIT(cc->bs, c);
+ BITSET_SET_BIT_CHKDUP(cc->bs, c);
}
}
break;
@@ -3877,13 +3905,13 @@ add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
if (not != 0) {
for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
if (! ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
- BITSET_SET_BIT(cc->bs, c);
+ BITSET_SET_BIT_CHKDUP(cc->bs, c);
}
}
else {
for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
if (ONIGENC_IS_CODE_CTYPE(enc, (OnigCodePoint )c, ctype))
- BITSET_SET_BIT(cc->bs, c);
+ BITSET_SET_BIT_CHKDUP(cc->bs, c);
}
ADD_ALL_MULTI_BYTE_RANGE(enc, cc->mbuf);
}
@@ -3892,7 +3920,7 @@ add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
case ONIGENC_CTYPE_WORD:
if (not == 0) {
for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
- if (IS_CODE_SB_WORD(enc, c)) BITSET_SET_BIT(cc->bs, c);
+ if (IS_CODE_SB_WORD(enc, c)) BITSET_SET_BIT_CHKDUP(cc->bs, c);
}
ADD_ALL_MULTI_BYTE_RANGE(enc, cc->mbuf);
}
@@ -3900,7 +3928,7 @@ add_ctype_to_cc(CClassNode* cc, int ctype, int not, ScanEnv* env)
for (c = 0; c < SINGLE_BYTE_SIZE; c++) {
if ((ONIGENC_CODE_TO_MBCLEN(enc, c) > 0) /* check invalid code point */
&& ! ONIGENC_IS_CODE_WORD(enc, c))
- BITSET_SET_BIT(cc->bs, c);
+ BITSET_SET_BIT_CHKDUP(cc->bs, c);
}
}
break;
@@ -4065,7 +4093,7 @@ next_state_class(CClassNode* cc, OnigCodePoint* vs, enum CCVALTYPE* type,
if (*state == CCS_VALUE && *type != CCV_CLASS) {
if (*type == CCV_SB)
- BITSET_SET_BIT(cc->bs, (int )(*vs));
+ BITSET_SET_BIT_CHKDUP(cc->bs, (int )(*vs));
else if (*type == CCV_CODE_POINT) {
r = add_code_range(&(cc->mbuf), env, *vs, *vs);
if (r < 0) return r;
@@ -4088,7 +4116,7 @@ next_state_val(CClassNode* cc, OnigCodePoint *vs, OnigCodePoint v,
switch (*state) {
case CCS_VALUE:
if (*type == CCV_SB)
- BITSET_SET_BIT(cc->bs, (int )(*vs));
+ BITSET_SET_BIT_CHKDUP(cc->bs, (int )(*vs));
else if (*type == CCV_CODE_POINT) {
r = add_code_range(&(cc->mbuf), env, *vs, *vs);
if (r < 0) return r;
@@ -4107,7 +4135,7 @@ next_state_val(CClassNode* cc, OnigCodePoint *vs, OnigCodePoint v,
else
return ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS;
}
- bitset_set_range(cc->bs, (int )*vs, (int )v);
+ bitset_set_range(env, cc->bs, (int )*vs, (int )v);
}
else {
r = add_code_range(&(cc->mbuf), env, *vs, v);
@@ -4124,7 +4152,7 @@ next_state_val(CClassNode* cc, OnigCodePoint *vs, OnigCodePoint v,
else
return ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS;
}
- bitset_set_range(cc->bs, (int )*vs, (int )(v < 0xff ? v : 0xff));
+ bitset_set_range(env, cc->bs, (int )*vs, (int )(v < 0xff ? v : 0xff));
r = add_code_range(&(cc->mbuf), env, (OnigCodePoint )*vs, v);
if (r < 0) return r;
#if 0
@@ -4407,7 +4435,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
r = parse_char_class(&anode, tok, &p, end, env);
if (r != 0) goto cc_open_err;
acc = NCCLASS(anode);
- r = or_cclass(cc, acc, env->enc);
+ r = or_cclass(cc, acc, env);
onig_node_free(anode);
cc_open_err:
@@ -4427,7 +4455,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
state = CCS_START;
if (IS_NOT_NULL(prev_cc)) {
- r = and_cclass(prev_cc, cc, env->enc);
+ r = and_cclass(prev_cc, cc, env);
if (r != 0) goto err;
bbuf_free(cc->mbuf);
}
@@ -4464,7 +4492,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
}
if (IS_NOT_NULL(prev_cc)) {
- r = and_cclass(prev_cc, cc, env->enc);
+ r = and_cclass(prev_cc, cc, env);
if (r != 0) goto err;
bbuf_free(cc->mbuf);
cc = prev_cc;
@@ -4487,7 +4515,7 @@ parse_char_class(Node** np, OnigToken* tok, UChar** src, UChar* end,
if (ONIGENC_IS_CODE_NEWLINE(env->enc, NEWLINE_CODE)) {
if (ONIGENC_CODE_TO_MBCLEN(env->enc, NEWLINE_CODE) == 1)
- BITSET_SET_BIT(cc->bs, NEWLINE_CODE);
+ BITSET_SET_BIT_CHKDUP(cc->bs, NEWLINE_CODE);
else
add_code_range(&(cc->mbuf), env, NEWLINE_CODE, NEWLINE_CODE);
}
@@ -4983,7 +5011,7 @@ i_apply_case_fold(OnigCodePoint from, OnigCodePoint to[],
add_code_range(&(cc->mbuf), env, *to, *to);
}
else {
- BITSET_SET_BIT(bs, *to);
+ BITSET_SET_BIT_CHKDUP(bs, *to);
}
}
#else
@@ -4997,7 +5025,7 @@ i_apply_case_fold(OnigCodePoint from, OnigCodePoint to[],
BITSET_CLEAR_BIT(bs, *to);
}
else
- BITSET_SET_BIT(bs, *to);
+ BITSET_SET_BIT_CHKDUP(bs, *to);
}
}
#endif /* CASE_FOLD_IS_APPLIED_INSIDE_NEGATIVE_CCLASS */