/* doop.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, 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.
#include <signal.h>
#endif
-I32
-do_trans(SV *sv, OP *arg)
+#ifndef PERL_OBJECT
+static I32 do_trans_CC_simple _((SV *sv));
+static I32 do_trans_CC_count _((SV *sv));
+static I32 do_trans_CC_complex _((SV *sv));
+static I32 do_trans_UU_simple _((SV *sv));
+static I32 do_trans_UU_count _((SV *sv));
+static I32 do_trans_UU_complex _((SV *sv));
+static I32 do_trans_UC_simple _((SV *sv));
+static I32 do_trans_CU_simple _((SV *sv));
+static I32 do_trans_UC_trivial _((SV *sv));
+static I32 do_trans_CU_trivial _((SV *sv));
+#endif
+
+STATIC I32
+do_trans_CC_simple(SV *sv)
{
dTHR;
- register U8 *s;
- register U8 *send;
- register U8 *d;
- register I32 matches = 0;
- register I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
STRLEN len;
+ short *tbl;
+ I32 ch;
- if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_COUNTONLY))
- croak(no_modify);
-
- if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) {
- SV* rv = (SV*)cSVOP->op_sv;
- HV* hv = (HV*)SvRV(rv);
- SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
- UV none = svp ? SvUV(*svp) : 0x7fffffff;
- UV extra = none + 1;
- I32 del = PL_op->op_private & OPpTRANS_DELETE;
- UV final;
- register UV uv;
- UV puv;
- char *dst;
- register I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF;
- register I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF;
-
- s = (U8*)SvPV(sv, len);
- if (!len)
- return 0;
- if (!SvPOKp(sv))
- s = (U8*)SvPV_force(sv, len);
- (void)SvPOK_only(sv);
- send = s + len;
- DEBUG_t( deb("2.TBL\n"));
- if (PL_op->op_private == (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF)) { /* no other flags */
- svp = hv_fetch(hv, "FINAL", 5, FALSE);
- if (svp)
- final = SvUV(*svp);
-
- d = s;
- while (s < send) {
- if ((uv = swash_fetch(rv, s)) < none) {
- s += UTF8SKIP(s);
- matches++;
- d = uv_to_utf8(d, uv);
- }
- else if (uv == none) {
- int i;
- for (i = UTF8SKIP(s); i; i--)
- *d++ = *s++;
- }
- else if (uv == extra) {
- s += UTF8SKIP(s);
- matches++;
- d = uv_to_utf8(d, final);
- }
- else
- s += UTF8SKIP(s);
- }
- *d = '\0';
- SvCUR_set(sv, d - (U8*)SvPVX(sv));
- SvSETMAGIC(sv);
- }
- else if (PL_op->op_private == OPpTRANS_FROM_UTF) { /* no other flags */
- svp = hv_fetch(hv, "FINAL", 5, FALSE);
- if (svp)
- final = SvUV(*svp);
-
- d = s;
- while (s < send) {
- if ((uv = swash_fetch(rv, s)) < none) {
- s += UTF8SKIP(s);
- matches++;
- *d++ = (U8)uv;
- }
- else if (uv == none) {
- I32 ulen;
- uv = utf8_to_uv(s, &ulen);
- s += ulen;
- *d++ = (U8)uv;
- }
- else if (uv == extra) {
- s += UTF8SKIP(s);
- matches++;
- *d++ = (U8)final;
- }
- else
- s += UTF8SKIP(s);
- }
- *d = '\0';
- SvCUR_set(sv, d - (U8*)SvPVX(sv));
- SvSETMAGIC(sv);
- }
- else if (PL_op->op_private == OPpTRANS_TO_UTF) { /* no other flags */
- svp = hv_fetch(hv, "FINAL", 5, FALSE);
- if (svp)
- final = SvUV(*svp);
-
- d = s;
- while (s < send) {
- U8 tmpbuf[10];
- uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */
- if ((uv = swash_fetch(rv, tmpbuf)) < none) {
- s += UTF8SKIP(s);
- matches++;
- d = uv_to_utf8(d, uv);
- }
- else if (uv == none) {
- I32 ulen;
- uv = utf8_to_uv(s, &ulen);
- s += ulen;
- d = uv_to_utf8(d, uv);
- }
- else if (uv == extra) {
- s += UTF8SKIP(s);
- matches++;
- d = uv_to_utf8(d, final);
- }
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ croak("panic: do_trans");
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if ((ch = tbl[*s]) >= 0) {
+ matches++;
+ *s = ch;
+ }
+ s++;
+ }
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_CC_count(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ croak("panic: do_trans");
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if (tbl[*s] >= 0)
+ matches++;
+ s++;
+ }
+
+ return matches;
+}
+
+STATIC I32
+do_trans_CC_complex(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+ short *tbl;
+ I32 ch;
+
+ tbl = (short*)cPVOP->op_pv;
+ if (!tbl)
+ croak("panic: do_trans");
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ 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
- s += UTF8SKIP(s);
+ p = d++;
}
- *d = '\0';
- SvCUR_set(sv, d - (U8*)SvPVX(sv));
- SvSETMAGIC(sv);
+ else if (ch == -1) /* -1 is unmapped character */
+ *d++ = *s; /* -2 is delete character */
+ s++;
}
- else if (PL_op->op_private & OPpTRANS_COUNTONLY) {
- if (from_utf) {
- while (s < send) {
- if (swash_fetch(rv, s) < none)
- matches++;
- s += UTF8SKIP(s);
- }
- }
- else {
- while (s < send) {
- char tmpbuf[10];
- uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */
- if (swash_fetch(rv, tmpbuf) < none)
- matches++;
- s += UTF8SKIP(s);
- }
+ }
+ 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++;
+ }
+ }
+ matches += send - d; /* account for disappeared chars */
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UU_simple(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ d = s;
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none) {
+ s += UTF8SKIP(s);
+ matches++;
+ d = uv_to_utf8(d, uv);
+ }
+ else if (uv == none) {
+ int i;
+ for (i = UTF8SKIP(s); i; i--)
+ *d++ = *s++;
+ }
+ else if (uv == extra) {
+ s += UTF8SKIP(s);
+ matches++;
+ d = uv_to_utf8(d, final);
+ }
+ else
+ s += UTF8SKIP(s);
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UU_count(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none)
+ matches++;
+ s += UTF8SKIP(s);
+ }
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UC_simple(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ d = s;
+ while (s < send) {
+ if ((uv = swash_fetch(rv, s)) < none) {
+ s += UTF8SKIP(s);
+ matches++;
+ *d++ = (U8)uv;
+ }
+ else if (uv == none) {
+ I32 ulen;
+ uv = utf8_to_uv(s, &ulen);
+ s += ulen;
+ *d++ = (U8)uv;
+ }
+ else if (uv == extra) {
+ s += UTF8SKIP(s);
+ matches++;
+ *d++ = (U8)final;
+ }
+ else
+ s += UTF8SKIP(s);
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_CU_simple(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ U8 *dst;
+ I32 matches = 0;
+ STRLEN len;
+
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+ U8 tmpbuf[10];
+ I32 bits = 16;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "BITS", 4, FALSE);
+ if (svp)
+ bits = (I32)SvIV(*svp);
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ Newz(801, d, len * (bits >> 3) + 1, U8);
+ dst = d;
+
+ while (s < send) {
+ uv = *s++;
+ if (uv < 0x80)
+ tmpbuf[0] = uv;
+ else {
+ tmpbuf[0] = (( uv >> 6) | 0xc0);
+ tmpbuf[1] = (( uv & 0x3f) | 0x80);
+ }
+
+ if ((uv = swash_fetch(rv, tmpbuf)) < none) {
+ matches++;
+ d = uv_to_utf8(d, uv);
}
+ else if (uv == none)
+ d = uv_to_utf8(d, s[-1]);
+ else if (uv == extra) {
+ matches++;
+ d = uv_to_utf8(d, final);
+ }
+ }
+ *d = '\0';
+ sv_usepvn_mg(sv, (char*)dst, d - dst);
+
+ return matches;
+}
+
+/* utf-8 to latin-1 */
+
+STATIC I32
+do_trans_UC_trivial(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ STRLEN len;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ d = s;
+ while (s < send) {
+ if (*s < 0x80)
+ *d++ = *s++;
else {
- I32 bits = 16;
- U8 *dst;
+ I32 ulen;
+ UV uv = utf8_to_uv(s, &ulen);
+ s += ulen;
+ *d++ = (U8)uv;
+ }
+ }
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ SvSETMAGIC(sv);
- svp = hv_fetch(hv, "BITS", 4, FALSE);
- if (svp)
- bits = (I32)SvIV(*svp);
+ return SvCUR(sv);
+}
- svp = hv_fetch(hv, "FINAL", 5, FALSE);
- if (svp)
- final = SvUV(*svp);
+/* latin-1 to utf-8 */
- Newz(801, d, len * (bits >> 3) + 1, char);
- dst = d;
+STATIC I32
+do_trans_CU_trivial(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ U8 *dst;
+ I32 matches;
+ STRLEN len;
- puv = 0xfeedface;
- if (squash) {
- while (s < send) {
- if (from_utf)
- uv = swash_fetch(rv, s);
- else {
- char tmpbuf[10];
- uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */
- uv = swash_fetch(rv, tmpbuf);
- }
- if (uv < none) {
- matches++;
- if (uv != puv) {
- if (to_utf)
- d = uv_to_utf8(d, uv);
- else
- *d++ = (U8)uv;
- }
- puv = uv;
- s += UTF8SKIP(s);
- continue;
- }
- else if (uv == none) { /* "none" is unmapped character */
- int i;
- if (to_utf) {
- for (i = UTF8SKIP(s); i; --i)
- *d++ = *s++;
- }
- else {
- I32 ulen;
- *d++ = (U8)utf8_to_uv(s, &ulen);
- s += ulen;
- }
- puv = 0xfeedface;
- continue;
- }
- else if (uv == extra && !del) {
- matches++;
- if (to_utf)
- d = uv_to_utf8(d, final);
- else
- *d++ = (U8)final;
- s += UTF8SKIP(s);
- puv = 0xfeedface;
- continue;
- }
- matches++; /* "none+1" is delete character */
- s += UTF8SKIP(s);
- }
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ Newz(801, d, len * 2 + 1, U8);
+ dst = d;
+
+ matches = send - s;
+
+ while (s < send) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else {
+ UV uv = *s++;
+ *d++ = (( uv >> 6) | 0xc0);
+ *d++ = (( uv & 0x3f) | 0x80);
+ }
+ }
+ *d = '\0';
+ sv_usepvn_mg(sv, (char*)dst, d - dst);
+
+ return matches;
+}
+
+STATIC I32
+do_trans_UU_complex(SV *sv)
+{
+ dTHR;
+ U8 *s;
+ U8 *send;
+ U8 *d;
+ I32 matches = 0;
+ I32 squash = PL_op->op_private & OPpTRANS_SQUASH;
+ I32 from_utf = PL_op->op_private & OPpTRANS_FROM_UTF;
+ I32 to_utf = PL_op->op_private & OPpTRANS_TO_UTF;
+ I32 del = PL_op->op_private & OPpTRANS_DELETE;
+ SV* rv = (SV*)cSVOP->op_sv;
+ HV* hv = (HV*)SvRV(rv);
+ SV** svp = hv_fetch(hv, "NONE", 4, FALSE);
+ UV none = svp ? SvUV(*svp) : 0x7fffffff;
+ UV extra = none + 1;
+ UV final;
+ UV uv;
+ STRLEN len;
+ U8 *dst;
+
+ s = (U8*)SvPV(sv, len);
+ send = s + len;
+
+ svp = hv_fetch(hv, "FINAL", 5, FALSE);
+ if (svp)
+ final = SvUV(*svp);
+
+ if (PL_op->op_private & OPpTRANS_GROWS) {
+ I32 bits = 16;
+
+ svp = hv_fetch(hv, "BITS", 4, FALSE);
+ if (svp)
+ bits = (I32)SvIV(*svp);
+
+ Newz(801, d, len * (bits >> 3) + 1, U8);
+ dst = d;
+ }
+ else {
+ d = s;
+ dst = 0;
+ }
+
+ if (squash) {
+ UV puv = 0xfeedface;
+ while (s < send) {
+ if (from_utf) {
+ uv = swash_fetch(rv, s);
}
else {
- while (s < send) {
- if (from_utf)
- uv = swash_fetch(rv, s);
- else {
- char tmpbuf[10];
- uv_to_utf8(tmpbuf, *s); /* XXX suboptimal */
- uv = swash_fetch(rv, tmpbuf);
- }
- if (uv < none) {
- if (to_utf)
- d = uv_to_utf8(d, uv);
- else
- *d++ = (U8)uv;
- matches++;
- s += UTF8SKIP(s);
- continue;
- }
- else if (uv == none) { /* "none" is unmapped character */
+ 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);
+ }
+ if (uv < none) {
+ matches++;
+ if (uv != puv) {
+ if (uv >= 0x80 && to_utf)
+ d = uv_to_utf8(d, uv);
+ else
+ *d++ = (U8)uv;
+ puv = uv;
+ }
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ else if (uv == none) { /* "none" is unmapped character */
+ if (from_utf) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else if (to_utf) {
int i;
- if (to_utf) {
- for (i = UTF8SKIP(s); i; --i)
- *d++ = *s++;
- }
- else {
- I32 ulen;
- *d++ = (U8)utf8_to_uv(s, &ulen);
- s += ulen;
- }
- continue;
+ for (i = UTF8SKIP(s); i; --i)
+ *d++ = *s++;
}
- else if (uv == extra && !del) {
- matches++;
- if (to_utf)
- d = uv_to_utf8(d, final);
- else
- *d++ = (U8)final;
- s += UTF8SKIP(s);
- continue;
+ else {
+ I32 ulen;
+ *d++ = (U8)utf8_to_uv(s, &ulen);
+ s += ulen;
}
- matches++; /* "none+1" is delete character */
- s += UTF8SKIP(s);
}
+ else { /* must be to_utf only */
+ d = uv_to_utf8(d, s[-1]);
+ }
+ puv = 0xfeedface;
+ continue;
}
- sv_usepvn_mg(sv, dst, d - dst);
+ else if (uv == extra && !del) {
+ matches++;
+ if (uv != puv) {
+ if (final >= 0x80 && to_utf)
+ d = uv_to_utf8(d, final);
+ else
+ *d++ = (U8)final;
+ puv = final;
+ }
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
+ }
+ matches++; /* "none+1" is delete character */
+ if (from_utf)
+ s += UTF8SKIP(s);
}
- return matches;
}
else {
- register short *tbl;
- register I32 ch;
- register U8 *p;
-
- tbl = (short*)cPVOP->op_pv;
- s = (U8*)SvPV(sv, len);
- if (!len)
- return 0;
- if (!SvPOKp(sv))
- s = (U8*)SvPV_force(sv, len);
- (void)SvPOK_only(sv);
- send = s + len;
- if (!tbl || !s)
- croak("panic: do_trans");
- DEBUG_t( deb("2.TBL\n"));
- if (!PL_op->op_private) {
- while (s < send) {
- if ((ch = tbl[*s]) >= 0) {
- matches++;
- *s = ch;
+ while (s < send) {
+ if (from_utf) {
+ 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);
}
- s++;
+ uv = swash_fetch(rv, tmpbuf);
}
- SvSETMAGIC(sv);
- }
- else if (PL_op->op_private & OPpTRANS_COUNTONLY) {
- while (s < send) {
- if (tbl[*s] >= 0)
- matches++;
- s++;
+ if (uv < none) {
+ matches++;
+ if (uv >= 0x80 && to_utf)
+ d = uv_to_utf8(d, uv);
+ else
+ *d++ = (U8)uv;
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
}
- }
- else {
- d = s;
- p = send;
- while (s < send) {
- if ((ch = tbl[*s]) >= 0) {
- *d = ch;
- matches++;
- if (squash) {
- if (p == d - 1 && *p == *d)
- matches--;
- else
- p = d++;
+ else if (uv == none) { /* "none" is unmapped character */
+ if (from_utf) {
+ if (*s < 0x80)
+ *d++ = *s++;
+ else if (to_utf) {
+ int i;
+ for (i = UTF8SKIP(s); i; --i)
+ *d++ = *s++;
}
- else
- d++;
+ else {
+ I32 ulen;
+ *d++ = (U8)utf8_to_uv(s, &ulen);
+ s += ulen;
+ }
+ }
+ else { /* must be to_utf only */
+ d = uv_to_utf8(d, s[-1]);
}
- else if (ch == -1) /* -1 is unmapped character */
- *d++ = *s; /* -2 is delete character */
- s++;
+ continue;
+ }
+ else if (uv == extra && !del) {
+ matches++;
+ if (final >= 0x80 && to_utf)
+ d = uv_to_utf8(d, final);
+ else
+ *d++ = (U8)final;
+ if (from_utf)
+ s += UTF8SKIP(s);
+ continue;
}
- matches += send - d; /* account for disappeared chars */
- *d = '\0';
- SvCUR_set(sv, d - (U8*)SvPVX(sv));
- SvSETMAGIC(sv);
+ matches++; /* "none+1" is delete character */
+ if (from_utf)
+ s += UTF8SKIP(s);
}
- return matches;
+ }
+ if (dst)
+ sv_usepvn(sv, (char*)dst, d - dst);
+ else {
+ *d = '\0';
+ SvCUR_set(sv, d - (U8*)SvPVX(sv));
+ }
+ SvSETMAGIC(sv);
+
+ return matches;
+}
+
+I32
+do_trans(SV *sv)
+{
+ dTHR;
+ STRLEN len;
+
+ if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
+ croak(PL_no_modify);
+
+ (void)SvPV(sv, len);
+ if (!len)
+ return 0;
+ if (!SvPOKp(sv))
+ (void)SvPV_force(sv, len);
+ (void)SvPOK_only(sv);
+
+ DEBUG_t( deb("2.TBL\n"));
+
+ switch (PL_op->op_private & 63) {
+ case 0:
+ return do_trans_CC_simple(sv);
+
+ case OPpTRANS_FROM_UTF:
+ return do_trans_UC_simple(sv);
+
+ case OPpTRANS_TO_UTF:
+ return do_trans_CU_simple(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF:
+ return do_trans_UU_simple(sv);
+
+ case OPpTRANS_IDENTICAL:
+ return do_trans_CC_count(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_UC_trivial(sv);
+
+ case OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_CU_trivial(sv);
+
+ case OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF|OPpTRANS_IDENTICAL:
+ return do_trans_UU_count(sv);
+
+ default:
+ if (PL_op->op_private & (OPpTRANS_FROM_UTF|OPpTRANS_TO_UTF))
+ return do_trans_UU_complex(sv); /* could be UC or CU too */
+ else
+ return do_trans_CC_complex(sv);
}
}
mark++;
len = (items > 0 ? (delimlen * (items - 1) ) : 0);
- if (SvTYPE(sv) < SVt_PV)
- sv_upgrade(sv, SVt_PV);
+ (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)) {
len = leftlen < rightlen ? leftlen : rightlen;
lensave = len;
if (SvOK(sv) || SvTYPE(sv) > SVt_PVMG) {
- dc = SvPV_force(sv, PL_na);
+ 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);
RETURN;
}
- if (!SvRMAGICAL(keys) || !mg_find((SV*)keys,'P'))
+ if (! SvTIED_mg((SV*)keys, 'P'))
i = HvKEYS(keys);
else {
i = 0;
if (dokeys)
XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
if (dovalues) {
- tmpstr = sv_newmortal();
PUTBACK;
- sv_setsv(tmpstr,realhv ?
- hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry));
+ tmpstr = realhv ?
+ hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
DEBUG_H(sv_setpvf(tmpstr, "%lu%%%d=%lu",
(unsigned long)HeHASH(entry),
HvMAX(keys)+1,
https://perl5.git.perl.org / perl5.git / blobdiff