/* doop.c
*
- * Copyright (c) 1991-2000, Larry Wall
+ * Copyright (c) 1991-2001, Larry Wall
*
* You may distribute under the terms of either the GNU General Public
* License or the Artistic License, as specified in the README file.
#endif
#endif
-
-#define HALF_UPGRADE(start,end) { \
- U8* new; \
- STRLEN len; \
- len = end-start; \
- new = bytes_to_utf8(start, &len); \
- Copy(new,start,len,U8*); \
- end = start + len; \
- }
-
-
STATIC I32
S_do_trans_simple(pTHX_ SV *sv)
{
- dTHR;
U8 *s;
U8 *d;
U8 *send;
U8 *dstart;
I32 matches = 0;
- I32 sutf = SvUTF8(sv);
+ I32 grows = PL_op->op_private & OPpTRANS_GROWS;
STRLEN len;
short *tbl;
I32 ch;
tbl = (short*)cPVOP->op_pv;
if (!tbl)
- Perl_croak(aTHX_ "panic: do_trans");
+ Perl_croak(aTHX_ "panic: do_trans_simple");
s = (U8*)SvPV(sv, len);
send = s + len;
/* First, take care of non-UTF8 input strings, because they're easy */
- if (!sutf) {
- while (s < send) {
+ if (!SvUTF8(sv)) {
+ while (s < send) {
if ((ch = tbl[*s]) >= 0) {
- matches++;
- *s++ = ch;
- } else
- s++;
- }
- SvSETMAGIC(sv);
+ matches++;
+ *s++ = ch;
+ }
+ else
+ s++;
+ }
+ SvSETMAGIC(sv);
return matches;
}
/* Allow for expansion: $_="a".chr(400); tr/a/\xFE/, FE needs encoding */
- Newz(0, d, len*2+1, U8);
+ if (grows)
+ New(0, d, len*2+1, U8);
+ else
+ d = s;
dstart = d;
while (s < send) {
- I32 ulen;
- short c;
+ STRLEN ulen;
+ UV c;
- ulen = 1;
/* Need to check this, otherwise 128..255 won't match */
- c = utf8_to_uv(s, &ulen);
- if (c < 0x100 && (ch = tbl[(short)c]) >= 0) {
+ c = utf8_to_uv(s, send - s, &ulen, 0);
+ if (c < 0x100 && (ch = tbl[c]) >= 0) {
matches++;
- if (ch < 0x80)
- *d++ = ch;
- else
- d = uv_to_utf8(d,ch);
+ d = uv_to_utf8(d, ch);
s += ulen;
- } else { /* No match -> copy */
- while (ulen--)
- *d++ = *s++;
}
+ else { /* No match -> copy */
+ Copy(s, d, ulen, U8);
+ d += ulen;
+ s += ulen;
+ }
+ }
+ if (grows) {
+ sv_setpvn(sv, (char*)dstart, d - dstart);
+ Safefree(dstart);
+ }
+ else {
+ *d = '\0';
+ SvCUR_set(sv, d - dstart);
}
- *d='\0';
- sv_setpvn(sv, (const char*)dstart, d - dstart);
SvUTF8_on(sv);
- SvLEN_set(sv, 2*len+1);
SvSETMAGIC(sv);
return matches;
}
STATIC I32
S_do_trans_count(pTHX_ SV *sv)/* SPC - OK */
{
- dTHR;
U8 *s;
U8 *send;
I32 matches = 0;
- I32 hasutf = SvUTF8(sv);
STRLEN len;
short *tbl;
tbl = (short*)cPVOP->op_pv;
if (!tbl)
- Perl_croak(aTHX_ "panic: do_trans");
+ Perl_croak(aTHX_ "panic: do_trans_count");
s = (U8*)SvPV(sv, len);
send = s + len;
- while (s < send) {
- if (hasutf && *s & 0x80)
- s+=UTF8SKIP(s);
- else {
- UV c;
- I32 ulen;
- ulen = 1;
- if (hasutf)
- c = utf8_to_uv(s,&ulen);
- else
- c = *s;
- if (c < 0x100 && tbl[c] >= 0)
+ if (!SvUTF8(sv))
+ while (s < send) {
+ if (tbl[*s++] >= 0)
matches++;
- s+=ulen;
- }
- }
+ }
+ else
+ while (s < send) {
+ UV c;
+ STRLEN ulen;
+ c = utf8_to_uv(s, send - s, &ulen, 0);
+ if (c < 0x100 && tbl[c] >= 0)
+ matches++;
+ s += ulen;
+ }
return matches;
}
STATIC I32
S_do_trans_complex(pTHX_ SV *sv)/* SPC - NOT OK */
{
- dTHR;
U8 *s;
U8 *send;
U8 *d;
- I32 hasutf = SvUTF8(sv);
+ U8 *dstart;
+ I32 isutf8;
I32 matches = 0;
+ I32 grows = PL_op->op_private & OPpTRANS_GROWS;
STRLEN len;
short *tbl;
I32 ch;
tbl = (short*)cPVOP->op_pv;
if (!tbl)
- Perl_croak(aTHX_ "panic: do_trans");
+ Perl_croak(aTHX_ "panic: do_trans_complex");
s = (U8*)SvPV(sv, len);
+ isutf8 = SvUTF8(sv);
send = s + len;
- d = s;
- if (PL_op->op_private & OPpTRANS_SQUASH) {
- U8* p = send;
-
- while (s < send) {
- if (hasutf && *s & 0x80)
- s+=UTF8SKIP(s);
- else {
- if ((ch = tbl[*s]) >= 0) {
+ if (!isutf8) {
+ dstart = d = s;
+ if (PL_op->op_private & OPpTRANS_SQUASH) {
+ U8* p = send;
+ while (s < send) {
+ if ((ch = tbl[*s]) >= 0) {
*d = ch;
matches++;
- if (p == d - 1 && *p == *d)
- matches--;
- else
- p = d++;
- }
- else if (ch == -1) /* -1 is unmapped character */
- *d++ = *s; /* -2 is delete character */
- s++;
- }
+ if (p != d - 1 || *p != *d)
+ p = d++;
+ }
+ else if (ch == -1) /* -1 is unmapped character */
+ *d++ = *s;
+ else if (ch == -2) /* -2 is delete character */
+ matches++;
+ s++;
+ }
}
- }
- else {
- while (s < send) {
- if (hasutf && *s & 0x80)
- s+=UTF8SKIP(s);
- else {
+ else {
+ while (s < send) {
if ((ch = tbl[*s]) >= 0) {
- *d = ch;
matches++;
- d++;
- }
- else if (ch == -1) /* -1 is unmapped character */
- *d++ = *s; /* -2 is delete character */
- s++;
- }
+ *d++ = ch;
+ }
+ else if (ch == -1) /* -1 is unmapped character */
+ *d++ = *s;
+ else if (ch == -2) /* -2 is delete character */
+ matches++;
+ s++;
+ }
}
+ SvCUR_set(sv, d - dstart);
}
- matches += send - d; /* account for disappeared chars */
- *d = '\0';
- SvCUR_set(sv, d - (U8*)SvPVX(sv));
- SvSETMAGIC(sv);
+ else { /* isutf8 */
+ if (grows)
+ New(0, d, len*2+1, U8);
+ else
+ d = s;
+ dstart = d;
+
+#ifdef MACOS_TRADITIONAL
+#define comp CoMP /* "comp" is a keyword in some compilers ... */
+#endif
+
+ if (PL_op->op_private & OPpTRANS_SQUASH) {
+ UV pch = 0xfeedface;
+ while (s < send) {
+ STRLEN len;
+ UV comp = utf8_to_uv_simple(s, &len);
+ if (comp > 0xff) { /* always unmapped */
+ Copy(s, d, len, U8);
+ d += len;
+ }
+ else if ((ch = tbl[comp]) >= 0) {
+ matches++;
+ if (ch != pch) {
+ d = uv_to_utf8(d, ch);
+ pch = ch;
+ }
+ s += len;
+ continue;
+ }
+ else if (ch == -1) { /* -1 is unmapped character */
+ Copy(s, d, len, U8);
+ d += len;
+ }
+ else if (ch == -2) /* -2 is delete character */
+ matches++;
+ s += len;
+ pch = 0xfeedface;
+ }
+ }
+ else {
+ while (s < send) {
+ STRLEN len;
+ UV comp = utf8_to_uv_simple(s, &len);
+ if (comp > 0xff) { /* always unmapped */
+ Copy(s, d, len, U8);
+ d += len;
+ }
+ else if ((ch = tbl[comp]) >= 0) {
+ d = uv_to_utf8(d, ch);
+ matches++;
+ }
+ else if (ch == -1) { /* -1 is unmapped character */
+ Copy(s, d, len, U8);
+ d += len;
+ }
+ else if (ch == -2) /* -2 is delete character */
+ matches++;
+ s += len;
+ }
+ }
+ if (grows) {
+ sv_setpvn(sv, (char*)dstart, d - dstart);
+ Safefree(dstart);
+ }
+ else {
+ *d = '\0';
+ SvCUR_set(sv, d - dstart);
+ }
+ SvUTF8_on(sv);
+ }
+ SvSETMAGIC(sv);
return matches;
}
STATIC I32
S_do_trans_simple_utf8(pTHX_ SV *sv)/* SPC - OK */
{
- dTHR;
U8 *s;
U8 *send;
U8 *d;
U8 *start;
- U8 *dstart;
+ U8 *dstart, *dend;
I32 matches = 0;
+ I32 grows = PL_op->op_private & OPpTRANS_GROWS;
STRLEN len;
SV* rv = (SV*)cSVOP->op_sv;
UV extra = none + 1;
UV final;
UV uv;
- I32 isutf;
- I32 howmany;
+ I32 isutf8;
+ U8 hibit = 0;
- isutf = SvUTF8(sv);
s = (U8*)SvPV(sv, len);
+ isutf8 = SvUTF8(sv);
+ if (!isutf8) {
+ U8 *t = s, *e = s + len;
+ while (t < e)
+ if ((hibit = UTF8_IS_CONTINUED(*t++)))
+ break;
+ if (hibit)
+ s = bytes_to_utf8(s, &len);
+ }
send = s + len;
start = s;
if (svp)
final = SvUV(*svp);
- /* d needs to be bigger than s, in case e.g. upgrading is required */
- Newz(0, d, len*2+1, U8);
- dstart = d;
+ if (grows) {
+ /* d needs to be bigger than s, in case e.g. upgrading is required */
+ New(0, d, len*3+UTF8_MAXLEN, U8);
+ dend = d + len * 3;
+ dstart = d;
+ }
+ else {
+ dstart = d = s;
+ dend = d + len;
+ }
+
while (s < send) {
if ((uv = swash_fetch(rv, s)) < none) {
s += UTF8SKIP(s);
matches++;
- if (uv & 0x80 && !isutf++)
- HALF_UPGRADE(dstart,d);
d = uv_to_utf8(d, uv);
}
else if (uv == none) {
- int i;
- i = UTF8SKIP(s);
- if (i > 1 && !isutf++)
- HALF_UPGRADE(dstart,d);
- while(i--)
- *d++ = *s++;
+ int i = UTF8SKIP(s);
+ Copy(s, d, i, U8);
+ d += i;
+ s += i;
}
else if (uv == extra) {
- int i;
- i = UTF8SKIP(s);
+ int i = UTF8SKIP(s);
s += i;
matches++;
- if (i > 1 && !isutf++)
- HALF_UPGRADE(dstart,d);
d = uv_to_utf8(d, final);
}
else
s += UTF8SKIP(s);
+
+ if (d > dend) {
+ STRLEN clen = d - dstart;
+ STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
+ if (!grows)
+ Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
+ Renew(dstart, nlen+UTF8_MAXLEN, U8);
+ d = dstart + clen;
+ dend = dstart + nlen;
+ }
+ }
+ if (grows || hibit) {
+ sv_setpvn(sv, (char*)dstart, d - dstart);
+ Safefree(dstart);
+ if (grows && hibit)
+ Safefree(start);
+ }
+ else {
+ *d = '\0';
+ SvCUR_set(sv, d - dstart);
}
- *d = '\0';
- sv_setpvn(sv, (const char*)dstart, d - dstart);
SvSETMAGIC(sv);
- if (isutf)
- SvUTF8_on(sv);
+ SvUTF8_on(sv);
+ if (!isutf8 && !(PL_hints & HINT_UTF8))
+ sv_utf8_downgrade(sv, TRUE);
return matches;
}
STATIC I32
S_do_trans_count_utf8(pTHX_ SV *sv)/* SPC - OK */
{
- dTHR;
U8 *s;
- U8 *send;
+ U8 *start, *send;
I32 matches = 0;
STRLEN len;
SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
UV none = svp ? SvUV(*svp) : 0x7fffffff;
UV uv;
+ U8 hibit = 0;
s = (U8*)SvPV(sv, len);
- if (!SvUTF8(sv))
- s = bytes_to_utf8(s, &len);
+ if (!SvUTF8(sv)) {
+ U8 *t = s, *e = s + len;
+ while (t < e)
+ if ((hibit = !UTF8_IS_ASCII(*t++)))
+ break;
+ if (hibit)
+ start = s = bytes_to_utf8(s, &len);
+ }
send = s + len;
while (s < send) {
matches++;
s += UTF8SKIP(s);
}
+ if (hibit)
+ Safefree(start);
return matches;
}
STATIC I32
S_do_trans_complex_utf8(pTHX_ SV *sv) /* SPC - NOT OK */
{
- dTHR;
U8 *s;
- U8 *send;
+ U8 *start, *send;
U8 *d;
I32 matches = 0;
I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
I32 del = PL_op->op_private & OPpTRANS_DELETE;
+ I32 grows = PL_op->op_private & OPpTRANS_GROWS;
SV* rv = (SV*)cSVOP->op_sv;
HV* hv = (HV*)SvRV(rv);
SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
UV final;
UV uv;
STRLEN len;
- U8 *dst;
- I32 isutf = SvUTF8(sv);
+ U8 *dstart, *dend;
+ I32 isutf8;
+ U8 hibit = 0;
s = (U8*)SvPV(sv, len);
+ isutf8 = SvUTF8(sv);
+ if (!isutf8) {
+ U8 *t = s, *e = s + len;
+ while (t < e)
+ if ((hibit = !UTF8_IS_ASCII(*t++)))
+ break;
+ if (hibit)
+ s = bytes_to_utf8(s, &len);
+ }
send = s + len;
+ start = s;
svp = hv_fetch(hv, "FINAL", 5, FALSE);
if (svp)
final = SvUV(*svp);
- Newz(0, d, len*2+1, U8);
- dst = d;
+ if (grows) {
+ /* d needs to be bigger than s, in case e.g. upgrading is required */
+ New(0, d, len*3+UTF8_MAXLEN, U8);
+ dend = d + len * 3;
+ dstart = d;
+ }
+ else {
+ dstart = d = s;
+ dend = d + len;
+ }
if (squash) {
UV puv = 0xfeedface;
while (s < send) {
- if (SvUTF8(sv))
- uv = swash_fetch(rv, s);
- else {
- U8 tmpbuf[2];
- uv = *s++;
- if (uv < 0x80)
- tmpbuf[0] = uv;
- else {
- tmpbuf[0] = (( uv >> 6) | 0xc0);
- tmpbuf[1] = (( uv & 0x3f) | 0x80);
- }
- uv = swash_fetch(rv, tmpbuf);
+ uv = swash_fetch(rv, s);
+
+ if (d > dend) {
+ STRLEN clen = d - dstart;
+ STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
+ if (!grows)
+ Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
+ Renew(dstart, nlen+UTF8_MAXLEN, U8);
+ d = dstart + clen;
+ dend = dstart + nlen;
}
-
if (uv < none) {
matches++;
if (uv != puv) {
- if (uv & 0x80 && !isutf++)
- HALF_UPGRADE(dst,d);
- d = uv_to_utf8(d, uv);
+ d = uv_to_utf8(d, uv);
puv = uv;
}
- s += UTF8SKIP(s);
+ s += UTF8SKIP(s);
continue;
}
else if (uv == none) { /* "none" is unmapped character */
- I32 ulen;
- *d++ = (U8)utf8_to_uv(s, &ulen);
- s += ulen;
+ int i = UTF8SKIP(s);
+ Copy(s, d, i, U8);
+ d += i;
+ s += i;
puv = 0xfeedface;
continue;
}
else if (uv == extra && !del) {
matches++;
if (uv != puv) {
- d = uv_to_utf8(d, final);
+ d = uv_to_utf8(d, final);
puv = final;
}
- s += UTF8SKIP(s);
+ s += UTF8SKIP(s);
continue;
}
- matches++; /* "none+1" is delete character */
- s += UTF8SKIP(s);
+ matches++; /* "none+1" is delete character */
+ s += UTF8SKIP(s);
}
}
else {
while (s < send) {
- if (SvUTF8(sv))
- uv = swash_fetch(rv, s);
- else {
- U8 tmpbuf[2];
- uv = *s++;
- if (uv < 0x80)
- tmpbuf[0] = uv;
- else {
- tmpbuf[0] = (( uv >> 6) | 0xc0);
- tmpbuf[1] = (( uv & 0x3f) | 0x80);
- }
- uv = swash_fetch(rv, tmpbuf);
+ uv = swash_fetch(rv, s);
+ if (d > dend) {
+ STRLEN clen = d - dstart;
+ STRLEN nlen = dend - dstart + len + UTF8_MAXLEN;
+ if (!grows)
+ Perl_croak(aTHX_ "panic: do_trans_complex_utf8");
+ Renew(dstart, nlen+UTF8_MAXLEN, U8);
+ d = dstart + clen;
+ dend = dstart + nlen;
}
if (uv < none) {
matches++;
- d = uv_to_utf8(d, uv);
- s += UTF8SKIP(s);
+ d = uv_to_utf8(d, uv);
+ s += UTF8SKIP(s);
continue;
}
else if (uv == none) { /* "none" is unmapped character */
- I32 ulen;
- *d++ = (U8)utf8_to_uv(s, &ulen);
- s += ulen;
+ int i = UTF8SKIP(s);
+ Copy(s, d, i, U8);
+ d += i;
+ s += i;
continue;
}
else if (uv == extra && !del) {
matches++;
- d = uv_to_utf8(d, final);
- s += UTF8SKIP(s);
+ d = uv_to_utf8(d, final);
+ s += UTF8SKIP(s);
continue;
}
- matches++; /* "none+1" is delete character */
- s += UTF8SKIP(s);
+ matches++; /* "none+1" is delete character */
+ s += UTF8SKIP(s);
}
}
- if (dst)
- sv_usepvn(sv, (char*)dst, d - dst);
+ if (grows || hibit) {
+ sv_setpvn(sv, (char*)dstart, d - dstart);
+ Safefree(dstart);
+ if (grows && hibit)
+ Safefree(start);
+ }
else {
*d = '\0';
- SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvCUR_set(sv, d - dstart);
}
+ SvUTF8_on(sv);
+ if (!isutf8 && !(PL_hints & HINT_UTF8))
+ sv_utf8_downgrade(sv, TRUE);
SvSETMAGIC(sv);
return matches;
I32
Perl_do_trans(pTHX_ SV *sv)
{
- dTHR;
STRLEN len;
- I32 hasutf = (PL_op->op_private &
+ I32 hasutf = (PL_op->op_private &
(OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF));
if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
switch (PL_op->op_private & ~hasutf & 63) {
case 0:
- if (hasutf)
- return do_trans_simple_utf8(sv);
- else
- return do_trans_simple(sv);
+ if (hasutf)
+ return do_trans_simple_utf8(sv);
+ else
+ return do_trans_simple(sv);
case OPpTRANS_IDENTICAL:
- if (hasutf)
- return do_trans_count_utf8(sv);
- else
- return do_trans_count(sv);
+ if (hasutf)
+ return do_trans_count_utf8(sv);
+ else
+ return do_trans_count(sv);
default:
- if (hasutf)
+ if (hasutf)
return do_trans_complex_utf8(sv);
else
return do_trans_complex(sv);
(void)SvUPGRADE(sv, SVt_PV);
if (SvLEN(sv) < len + items) { /* current length is way too short */
while (items-- > 0) {
- if (*mark && !SvGMAGICAL(*mark) && SvOK(*mark)) {
+ if (*mark && !SvGAMAGIC(*mark) && SvOK(*mark)) {
SvPV(*mark, tmplen);
len += tmplen;
}
}
if (items-- > 0) {
- char *s;
-
sv_setpv(sv, "");
if (*mark)
sv_catsv(sv, *mark);
}
else
sv_setpv(sv,"");
- len = delimlen;
- if (len) {
+ if (delimlen) {
for (; items > 0; items--,mark++) {
- sv_catpvn(sv,delim,len);
+ sv_catsv(sv,del);
sv_catsv(sv,*mark);
}
}
SvTAINTED_on(sv);
}
-/* XXX SvUTF8 support missing! */
+/* currently converts input to bytes if possible, but doesn't sweat failure */
UV
Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
{
if (offset < 0)
return retnum;
- if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
+ if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
Perl_croak(aTHX_ "Illegal number of bits in vec");
+
+ if (SvUTF8(sv))
+ (void) Perl_sv_utf8_downgrade(aTHX_ sv, TRUE);
+
offset *= size; /* turn into bit offset */
len = (offset + size + 7) / 8; /* required number of bytes */
if (len > srclen) {
}
#ifdef UV_IS_QUAD
else if (size == 64) {
- dTHR;
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ WARN_PORTABLE,
"Bit vector size > 32 non-portable");
((UV) s[offset + 4] << 24) +
((UV) s[offset + 5] << 16);
else
- retnum =
+ retnum =
((UV) s[offset ] << 56) +
((UV) s[offset + 1] << 48) +
((UV) s[offset + 2] << 40) +
s[offset + 3];
#ifdef UV_IS_QUAD
else if (size == 64) {
- dTHR;
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ WARN_PORTABLE,
"Bit vector size > 32 non-portable");
return retnum;
}
-/* XXX SvUTF8 support missing! */
+/* currently converts input to bytes if possible but doesn't sweat failures,
+ * although it does ensure that the string it clobbers is not marked as
+ * utf8-valid any more
+ */
void
Perl_do_vecset(pTHX_ SV *sv)
{
if (!targ)
return;
s = (unsigned char*)SvPV_force(targ, targlen);
+ if (SvUTF8(targ)) {
+ /* This is handled by the SvPOK_only below...
+ if (!Perl_sv_utf8_downgrade(aTHX_ targ, TRUE))
+ SvUTF8_off(targ);
+ */
+ (void) Perl_sv_utf8_downgrade(aTHX_ targ, TRUE);
+ }
+
(void)SvPOK_only(targ);
lval = SvUV(sv);
offset = LvTARGOFF(sv);
+ if (offset < 0)
+ Perl_croak(aTHX_ "Assigning to negative offset in vec");
size = LvTARGLEN(sv);
- if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
+ if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
Perl_croak(aTHX_ "Illegal number of bits in vec");
-
+
offset *= size; /* turn into bit offset */
len = (offset + size + 7) / 8; /* required number of bytes */
if (len > targlen) {
(void)memzero((char *)(s + targlen), len - targlen + 1);
SvCUR_set(targ, len);
}
-
+
if (size < 8) {
mask = (1 << size) - 1;
size = offset & 7;
}
#ifdef UV_IS_QUAD
else if (size == 64) {
- dTHR;
if (ckWARN(WARN_PORTABLE))
Perl_warner(aTHX_ WARN_PORTABLE,
"Bit vector size > 32 non-portable");
{
STRLEN len;
char *s;
- dTHR;
-
+
if (SvTYPE(sv) == SVt_PVAV) {
register I32 i;
I32 max;
char *send = s + len;
char *start = s;
s = send - 1;
- while ((*s & 0xc0) == 0x80)
- --s;
- if (UTF8SKIP(s) != send - s && ckWARN_d(WARN_UTF8))
- Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
- sv_setpvn(astr, s, send - s);
- *s = '\0';
- SvCUR_set(sv, s - start);
- SvNIOK_off(sv);
- SvUTF8_on(astr);
+ while (s > start && UTF8_IS_CONTINUATION(*s))
+ s--;
+ if (utf8_to_uv_simple((U8*)s, 0)) {
+ sv_setpvn(astr, s, send - s);
+ *s = '\0';
+ SvCUR_set(sv, s - start);
+ SvNIOK_off(sv);
+ SvUTF8_on(astr);
+ }
}
else
sv_setpvn(astr, "", 0);
I32
Perl_do_chomp(pTHX_ register SV *sv)
{
- dTHR;
register I32 count;
STRLEN len;
char *s;
nope:
SvSETMAGIC(sv);
return count;
-}
+}
void
Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
{
- dTHR; /* just for taint */
#ifdef LIBERAL
register long *dl;
register long *ll;
char *rsave;
bool left_utf = DO_UTF8(left);
bool right_utf = DO_UTF8(right);
+ I32 needlen;
if (left_utf && !right_utf)
sv_utf8_upgrade(right);
- if (!left_utf && right_utf)
+ else if (!left_utf && right_utf)
sv_utf8_upgrade(left);
if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
rsave = rc = SvPV(right, rightlen);
len = leftlen < rightlen ? leftlen : rightlen;
lensave = len;
- if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
+ if ((left_utf || right_utf) && (sv == left || sv == right)) {
+ needlen = optype == OP_BIT_AND ? len : leftlen + rightlen;
+ Newz(801, dc, needlen + 1, char);
+ }
+ else if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
STRLEN n_a;
dc = SvPV_force(sv, n_a);
if (SvCUR(sv) < len) {
dc = SvGROW(sv, len + 1);
(void)memzero(dc + SvCUR(sv), len - SvCUR(sv) + 1);
}
+ if (optype != OP_BIT_AND && (left_utf || right_utf))
+ dc = SvGROW(sv, leftlen + rightlen + 1);
}
else {
- I32 needlen = ((optype == OP_BIT_AND)
- ? len : (leftlen > rightlen ? leftlen : rightlen));
+ needlen = ((optype == OP_BIT_AND)
+ ? len : (leftlen > rightlen ? leftlen : rightlen));
Newz(801, dc, needlen + 1, char);
(void)sv_usepvn(sv, dc, needlen);
dc = SvPVX(sv); /* sv_usepvn() calls Renew() */
(void)SvPOK_only(sv);
if (left_utf || right_utf) {
UV duc, luc, ruc;
+ char *dcsave = dc;
STRLEN lulen = leftlen;
STRLEN rulen = rightlen;
- STRLEN dulen = 0;
- I32 ulen;
-
- if (optype != OP_BIT_AND)
- dc = SvGROW(sv, leftlen+rightlen+1);
+ STRLEN ulen;
switch (optype) {
case OP_BIT_AND:
while (lulen && rulen) {
- luc = utf8_to_uv((U8*)lc, &ulen);
+ luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
lc += ulen;
lulen -= ulen;
- ruc = utf8_to_uv((U8*)rc, &ulen);
+ ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
rc += ulen;
rulen -= ulen;
duc = luc & ruc;
dc = (char*)uv_to_utf8((U8*)dc, duc);
}
- dulen = dc - SvPVX(sv);
- SvCUR_set(sv, dulen);
+ if (sv == left || sv == right)
+ (void)sv_usepvn(sv, dcsave, needlen);
+ SvCUR_set(sv, dc - dcsave);
break;
case OP_BIT_XOR:
while (lulen && rulen) {
- luc = utf8_to_uv((U8*)lc, &ulen);
+ luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
lc += ulen;
lulen -= ulen;
- ruc = utf8_to_uv((U8*)rc, &ulen);
+ ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
rc += ulen;
rulen -= ulen;
duc = luc ^ ruc;
goto mop_up_utf;
case OP_BIT_OR:
while (lulen && rulen) {
- luc = utf8_to_uv((U8*)lc, &ulen);
+ luc = utf8_to_uv((U8*)lc, lulen, &ulen, UTF8_ALLOW_ANYUV);
lc += ulen;
lulen -= ulen;
- ruc = utf8_to_uv((U8*)rc, &ulen);
+ ruc = utf8_to_uv((U8*)rc, rulen, &ulen, UTF8_ALLOW_ANYUV);
rc += ulen;
rulen -= ulen;
duc = luc | ruc;
dc = (char*)uv_to_utf8((U8*)dc, duc);
}
mop_up_utf:
- dulen = dc - SvPVX(sv);
- SvCUR_set(sv, dulen);
+ if (sv == left || sv == right)
+ (void)sv_usepvn(sv, dcsave, needlen);
+ SvCUR_set(sv, dc - dcsave);
if (rulen)
sv_catpvn(sv, rc, rulen);
else if (lulen)
I32 dokeys = (PL_op->op_type == OP_KEYS);
I32 dovalues = (PL_op->op_type == OP_VALUES);
I32 realhv = (SvTYPE(hv) == SVt_PVHV);
-
- if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
+
+ if (PL_op->op_type == OP_RV2HV || PL_op->op_type == OP_PADHV)
dokeys = dovalues = TRUE;
if (!hv) {
- if (PL_op->op_flags & OPf_MOD) { /* lvalue */
+ if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
dTARGET; /* make sure to clear its target here */
if (SvTYPE(TARG) == SVt_PVLV)
LvTARG(TARG) = Nullsv;
IV i;
dTARGET;
- if (PL_op->op_flags & OPf_MOD) { /* lvalue */
+ if (PL_op->op_flags & OPf_MOD || LVRET) { /* lvalue */
if (SvTYPE(TARG) < SVt_PVLV) {
sv_upgrade(TARG, SVt_PVLV);
sv_magic(TARG, Nullsv, 'k', Nullch, 0);
https://perl5.git.perl.org / perl5.git / blobdiff