/* doop.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-2000, 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 "EXTERN.h"
+#define PERL_IN_DOOP_C
#include "perl.h"
#if !defined(NSIG) || defined(M_UNIX) || defined(M_XENIX)
#include <signal.h>
#endif
-#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)
+S_do_trans_CC_simple(pTHX_ SV *sv)
{
dTHR;
U8 *s;
tbl = (short*)cPVOP->op_pv;
if (!tbl)
- croak("panic: do_trans");
+ Perl_croak(aTHX_ "panic: do_trans");
s = (U8*)SvPV(sv, len);
send = s + len;
}
STATIC I32
-do_trans_CC_count(SV *sv)
+S_do_trans_CC_count(pTHX_ SV *sv)
{
dTHR;
U8 *s;
tbl = (short*)cPVOP->op_pv;
if (!tbl)
- croak("panic: do_trans");
+ Perl_croak(aTHX_ "panic: do_trans");
s = (U8*)SvPV(sv, len);
send = s + len;
}
STATIC I32
-do_trans_CC_complex(SV *sv)
+S_do_trans_CC_complex(pTHX_ SV *sv)
{
dTHR;
U8 *s;
tbl = (short*)cPVOP->op_pv;
if (!tbl)
- croak("panic: do_trans");
+ Perl_croak(aTHX_ "panic: do_trans");
s = (U8*)SvPV(sv, len);
send = s + len;
}
STATIC I32
-do_trans_UU_simple(SV *sv)
+S_do_trans_UU_simple(pTHX_ SV *sv)
{
dTHR;
U8 *s;
}
STATIC I32
-do_trans_UU_count(SV *sv)
+S_do_trans_UU_count(pTHX_ SV *sv)
{
dTHR;
U8 *s;
send = s + len;
while (s < send) {
- if ((uv = swash_fetch(rv, s)) < none) {
- s += UTF8SKIP(s);
+ if ((uv = swash_fetch(rv, s)) < none)
matches++;
- }
+ s += UTF8SKIP(s);
}
return matches;
}
STATIC I32
-do_trans_UC_simple(SV *sv)
+S_do_trans_UC_simple(pTHX_ SV *sv)
{
dTHR;
U8 *s;
}
STATIC I32
-do_trans_CU_simple(SV *sv)
+S_do_trans_CU_simple(pTHX_ SV *sv)
{
dTHR;
U8 *s;
UV extra = none + 1;
UV final;
UV uv;
- U8 tmpbuf[10];
+ U8 tmpbuf[UTF8_MAXLEN];
I32 bits = 16;
s = (U8*)SvPV(sv, len);
/* utf-8 to latin-1 */
STATIC I32
-do_trans_UC_trivial(SV *sv)
+S_do_trans_UC_trivial(pTHX_ SV *sv)
{
dTHR;
U8 *s;
/* latin-1 to utf-8 */
STATIC I32
-do_trans_CU_trivial(SV *sv)
+S_do_trans_CU_trivial(pTHX_ SV *sv)
{
dTHR;
U8 *s;
}
STATIC I32
-do_trans_UU_complex(SV *sv)
+S_do_trans_UU_complex(pTHX_ SV *sv)
{
dTHR;
U8 *s;
}
I32
-do_trans(SV *sv)
+Perl_do_trans(pTHX_ SV *sv)
{
dTHR;
STRLEN len;
if (SvREADONLY(sv) && !(PL_op->op_private & OPpTRANS_IDENTICAL))
- croak(no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
(void)SvPV(sv, len);
if (!len)
(void)SvPV_force(sv, len);
(void)SvPOK_only(sv);
- DEBUG_t( deb("2.TBL\n"));
+ DEBUG_t( Perl_deb(aTHX_ "2.TBL\n"));
switch (PL_op->op_private & 63) {
case 0:
}
void
-do_join(register SV *sv, SV *del, register SV **mark, register SV **sp)
+Perl_do_join(pTHX_ register SV *sv, SV *del, register SV **mark, register SV **sp)
{
SV **oldmark = mark;
register I32 items = sp - mark;
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)) {
SvGROW(sv, len + 1); /* so try to pre-extend */
mark = oldmark;
- items = sp - mark;;
+ items = sp - mark;
++mark;
}
if (items-- > 0) {
char *s;
- if (*mark) {
- s = SvPV(*mark, tmplen);
- sv_setpvn(sv, s, tmplen);
- }
- else
- sv_setpv(sv, "");
+ sv_setpv(sv, "");
+ if (*mark)
+ sv_catsv(sv, *mark);
mark++;
}
else
}
void
-do_sprintf(SV *sv, I32 len, SV **sarg)
+Perl_do_sprintf(pTHX_ SV *sv, I32 len, SV **sarg)
{
STRLEN patlen;
char *pat = SvPV(*sarg, patlen);
SvTAINTED_on(sv);
}
+UV
+Perl_do_vecget(pTHX_ SV *sv, I32 offset, I32 size)
+{
+ STRLEN srclen, len;
+ unsigned char *s = (unsigned char *) SvPV(sv, srclen);
+ UV retnum = 0;
+
+ if (offset < 0)
+ return retnum;
+ 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 > srclen) {
+ if (size <= 8)
+ retnum = 0;
+ else {
+ offset >>= 3; /* turn into byte offset */
+ if (size == 16) {
+ if (offset >= srclen)
+ retnum = 0;
+ else
+ retnum = (UV) s[offset] << 8;
+ }
+ else if (size == 32) {
+ if (offset >= srclen)
+ retnum = 0;
+ else if (offset + 1 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 24);
+ else if (offset + 2 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 24) +
+ ((UV) s[offset + 1] << 16);
+ else
+ retnum =
+ ((UV) s[offset ] << 24) +
+ ((UV) s[offset + 1] << 16) +
+ ( s[offset + 2] << 8);
+ }
+#ifdef UV_IS_QUAD
+ else if (size == 64) {
+ dTHR;
+ if (ckWARN(WARN_PORTABLE))
+ Perl_warner(aTHX_ WARN_PORTABLE,
+ "Bit vector size > 32 non-portable");
+ if (offset >= srclen)
+ retnum = 0;
+ else if (offset + 1 >= srclen)
+ retnum =
+ (UV) s[offset ] << 56;
+ else if (offset + 2 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48);
+ else if (offset + 3 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48) +
+ ((UV) s[offset + 2] << 40);
+ else if (offset + 4 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48) +
+ ((UV) s[offset + 2] << 40) +
+ ((UV) s[offset + 3] << 32);
+ else if (offset + 5 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48) +
+ ((UV) s[offset + 2] << 40) +
+ ((UV) s[offset + 3] << 32) +
+ ( s[offset + 4] << 24);
+ else if (offset + 6 >= srclen)
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48) +
+ ((UV) s[offset + 2] << 40) +
+ ((UV) s[offset + 3] << 32) +
+ ((UV) s[offset + 4] << 24) +
+ ((UV) s[offset + 5] << 16);
+ else
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48) +
+ ((UV) s[offset + 2] << 40) +
+ ((UV) s[offset + 3] << 32) +
+ ((UV) s[offset + 4] << 24) +
+ ((UV) s[offset + 5] << 16) +
+ ( s[offset + 6] << 8);
+ }
+#endif
+ }
+ }
+ else if (size < 8)
+ retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
+ else {
+ offset >>= 3; /* turn into byte offset */
+ if (size == 8)
+ retnum = s[offset];
+ else if (size == 16)
+ retnum =
+ ((UV) s[offset] << 8) +
+ s[offset + 1];
+ else if (size == 32)
+ retnum =
+ ((UV) s[offset ] << 24) +
+ ((UV) s[offset + 1] << 16) +
+ ( s[offset + 2] << 8) +
+ 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");
+ retnum =
+ ((UV) s[offset ] << 56) +
+ ((UV) s[offset + 1] << 48) +
+ ((UV) s[offset + 2] << 40) +
+ ((UV) s[offset + 3] << 32) +
+ ((UV) s[offset + 4] << 24) +
+ ((UV) s[offset + 5] << 16) +
+ ( s[offset + 6] << 8) +
+ s[offset + 7];
+ }
+#endif
+ }
+
+ return retnum;
+}
+
void
-do_vecset(SV *sv)
+Perl_do_vecset(pTHX_ SV *sv)
{
SV *targ = LvTARG(sv);
register I32 offset;
register I32 size;
register unsigned char *s;
- register unsigned long lval;
+ register UV lval;
I32 mask;
STRLEN targlen;
STRLEN len;
if (!targ)
return;
s = (unsigned char*)SvPV_force(targ, targlen);
- lval = U_L(SvNV(sv));
+ lval = SvUV(sv);
offset = LvTARGOFF(sv);
size = LvTARGLEN(sv);
+ if (size < 1 || (size & (size-1))) /* size < 1 or not a power of two */
+ Perl_croak(aTHX_ "Illegal number of bits in vec");
- len = (offset + size + 7) / 8;
+ offset *= size; /* turn into bit offset */
+ len = (offset + size + 7) / 8; /* required number of bytes */
if (len > targlen) {
s = (unsigned char*)SvGROW(targ, len + 1);
(void)memzero(s + targlen, len - targlen + 1);
mask = (1 << size) - 1;
size = offset & 7;
lval &= mask;
- offset >>= 3;
+ offset >>= 3; /* turn into byte offset */
s[offset] &= ~(mask << size);
s[offset] |= lval << size;
}
else {
- offset >>= 3;
+ offset >>= 3; /* turn into byte offset */
if (size == 8)
- s[offset] = lval & 255;
+ s[offset ] = lval & 0xff;
else if (size == 16) {
- s[offset] = (lval >> 8) & 255;
- s[offset+1] = lval & 255;
+ s[offset ] = (lval >> 8) & 0xff;
+ s[offset+1] = lval & 0xff;
}
else if (size == 32) {
- s[offset] = (lval >> 24) & 255;
- s[offset+1] = (lval >> 16) & 255;
- s[offset+2] = (lval >> 8) & 255;
- s[offset+3] = lval & 255;
+ s[offset ] = (lval >> 24) & 0xff;
+ s[offset+1] = (lval >> 16) & 0xff;
+ s[offset+2] = (lval >> 8) & 0xff;
+ s[offset+3] = lval & 0xff;
+ }
+#ifdef UV_IS_QUAD
+ else if (size == 64) {
+ dTHR;
+ if (ckWARN(WARN_PORTABLE))
+ Perl_warner(aTHX_ WARN_PORTABLE,
+ "Bit vector size > 32 non-portable");
+ s[offset ] = (lval >> 56) & 0xff;
+ s[offset+1] = (lval >> 48) & 0xff;
+ s[offset+2] = (lval >> 40) & 0xff;
+ s[offset+3] = (lval >> 32) & 0xff;
+ s[offset+4] = (lval >> 24) & 0xff;
+ s[offset+5] = (lval >> 16) & 0xff;
+ s[offset+6] = (lval >> 8) & 0xff;
+ s[offset+7] = lval & 0xff;
}
+#endif
}
+ SvSETMAGIC(targ);
}
void
-do_chop(register SV *astr, register SV *sv)
+Perl_do_chop(pTHX_ register SV *astr, register SV *sv)
{
STRLEN len;
char *s;
}
return;
}
- if (SvTYPE(sv) == SVt_PVHV) {
+ else if (SvTYPE(sv) == SVt_PVHV) {
HV* hv = (HV*)sv;
HE* entry;
(void)hv_iterinit(hv);
/*SUPPRESS 560*/
- while (entry = hv_iternext(hv))
+ while ((entry = hv_iternext(hv)))
do_chop(astr,hv_iterval(hv,entry));
return;
}
+ else if (SvREADONLY(sv))
+ Perl_croak(aTHX_ PL_no_modify);
s = SvPV(sv, len);
if (len && !SvPOK(sv))
s = SvPV_force(sv, len);
- if (IN_UTF8) {
+ if (DO_UTF8(sv)) {
if (s && len) {
char *send = s + len;
char *start = s;
s = send - 1;
while ((*s & 0xc0) == 0x80)
--s;
- if (UTF8SKIP(s) != send - s)
- warn("Malformed UTF-8 character");
+ 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);
}
else
sv_setpvn(astr, "", 0);
}
- else
- if (s && len) {
+ else if (s && len) {
s += --len;
sv_setpvn(astr, s, 1);
*s = '\0';
SvCUR_set(sv, len);
+ SvUTF8_off(sv);
SvNIOK_off(sv);
}
else
sv_setpvn(astr, "", 0);
SvSETMAGIC(sv);
-}
+}
I32
-do_chomp(register SV *sv)
+Perl_do_chomp(pTHX_ register SV *sv)
{
dTHR;
register I32 count;
if (RsSNARF(PL_rs))
return 0;
+ if (RsRECORD(PL_rs))
+ return 0;
count = 0;
if (SvTYPE(sv) == SVt_PVAV) {
register I32 i;
}
return count;
}
- if (SvTYPE(sv) == SVt_PVHV) {
+ else if (SvTYPE(sv) == SVt_PVHV) {
HV* hv = (HV*)sv;
HE* entry;
(void)hv_iterinit(hv);
/*SUPPRESS 560*/
- while (entry = hv_iternext(hv))
+ while ((entry = hv_iternext(hv)))
count += do_chomp(hv_iterval(hv,entry));
return count;
}
+ else if (SvREADONLY(sv))
+ Perl_croak(aTHX_ PL_no_modify);
s = SvPV(sv, len);
if (len && !SvPOKp(sv))
s = SvPV_force(sv, len);
}
void
-do_vop(I32 optype, SV *sv, SV *left, SV *right)
+Perl_do_vop(pTHX_ I32 optype, SV *sv, SV *left, SV *right)
{
dTHR; /* just for taint */
#ifdef LIBERAL
I32 lensave;
char *lsave;
char *rsave;
+ bool left_utf = DO_UTF8(left);
+ bool right_utf = DO_UTF8(right);
+
+ if (left_utf && !right_utf)
+ sv_utf8_upgrade(right);
+ if (!left_utf && right_utf)
+ sv_utf8_upgrade(left);
if (sv != left || (optype != OP_BIT_AND && !SvOK(sv) && !SvGMAGICAL(sv)))
sv_setpvn(sv, "", 0); /* avoid undef warning on |= and ^= */
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);
}
SvCUR_set(sv, len);
(void)SvPOK_only(sv);
+ if (left_utf || right_utf) {
+ UV duc, luc, ruc;
+ STRLEN lulen = leftlen;
+ STRLEN rulen = rightlen;
+ STRLEN dulen = 0;
+ I32 ulen;
+
+ if (optype != OP_BIT_AND)
+ dc = SvGROW(sv, leftlen+rightlen+1);
+
+ switch (optype) {
+ case OP_BIT_AND:
+ while (lulen && rulen) {
+ luc = utf8_to_uv((U8*)lc, &ulen);
+ lc += ulen;
+ lulen -= ulen;
+ ruc = utf8_to_uv((U8*)rc, &ulen);
+ rc += ulen;
+ rulen -= ulen;
+ duc = luc & ruc;
+ dc = (char*)uv_to_utf8((U8*)dc, duc);
+ }
+ dulen = dc - SvPVX(sv);
+ SvCUR_set(sv, dulen);
+ break;
+ case OP_BIT_XOR:
+ while (lulen && rulen) {
+ luc = utf8_to_uv((U8*)lc, &ulen);
+ lc += ulen;
+ lulen -= ulen;
+ ruc = utf8_to_uv((U8*)rc, &ulen);
+ rc += ulen;
+ rulen -= ulen;
+ duc = luc ^ ruc;
+ dc = (char*)uv_to_utf8((U8*)dc, duc);
+ }
+ goto mop_up_utf;
+ case OP_BIT_OR:
+ while (lulen && rulen) {
+ luc = utf8_to_uv((U8*)lc, &ulen);
+ lc += ulen;
+ lulen -= ulen;
+ ruc = utf8_to_uv((U8*)rc, &ulen);
+ 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 (rulen)
+ sv_catpvn(sv, rc, rulen);
+ else if (lulen)
+ sv_catpvn(sv, lc, lulen);
+ else
+ *SvEND(sv) = '\0';
+ break;
+ }
+ SvUTF8_on(sv);
+ goto finish;
+ }
+ else
#ifdef LIBERAL
if (len >= sizeof(long)*4 &&
!((long)dc % sizeof(long)) &&
break;
}
}
+finish:
SvTAINT(sv);
}
OP *
-do_kv(ARGSproto)
+Perl_do_kv(pTHX)
{
djSP;
HV *hv = (HV*)POPs;
RETURN;
}
- if (!SvRMAGICAL(keys) || !mg_find((SV*)keys,'P'))
+ if (! SvTIED_mg((SV*)keys, 'P'))
i = HvKEYS(keys);
else {
i = 0;
EXTEND(SP, HvKEYS(keys) * (dokeys + dovalues));
PUTBACK; /* hv_iternext and hv_iterval might clobber stack_sp */
- while (entry = hv_iternext(keys)) {
+ while ((entry = hv_iternext(keys))) {
SPAGAIN;
if (dokeys)
XPUSHs(hv_iterkeysv(entry)); /* won't clobber stack_sp */
PUTBACK;
tmpstr = realhv ?
hv_iterval(hv,entry) : avhv_iterval((AV*)hv,entry);
- DEBUG_H(sv_setpvf(tmpstr, "%lu%%%d=%lu",
+ DEBUG_H(Perl_sv_setpvf(aTHX_ tmpstr, "%lu%%%d=%lu",
(unsigned long)HeHASH(entry),
HvMAX(keys)+1,
(unsigned long)(HeHASH(entry) & HvMAX(keys))));
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