#endif
/*
+ * Types used in bitwise operations.
+ *
+ * Normally we'd just use IV and UV. However, some hardware and
+ * software combinations (e.g. Alpha and current OSF/1) don't have a
+ * floating-point type to use for NV that has adequate bits to fully
+ * hold an IV/UV. (In other words, sizeof(long) == sizeof(double).)
+ *
+ * It just so happens that "int" is the right size almost everywhere.
+ */
+typedef int IBW;
+typedef unsigned UBW;
+
+/*
+ * Mask used after bitwise operations.
+ *
+ * There is at least one realm (Cray word machines) that doesn't
+ * have an integral type (except char) small enough to be represented
+ * in a double without loss; that is, it has no 32-bit type.
+ */
+#if LONGSIZE > 4 && defined(_CRAY) && !defined(_CRAYMPP)
+# define BW_BITS 32
+# define BW_MASK ((1 << BW_BITS) - 1)
+# define BW_SIGN (1 << (BW_BITS - 1))
+# define BWi(i) (((i) & BW_SIGN) ? ((i) | ~BW_MASK) : ((i) & BW_MASK))
+# define BWu(u) ((u) & BW_MASK)
+#else
+# define BWi(i) (i)
+# define BWu(u) (u)
+#endif
+
+/*
* Offset for integer pack/unpack.
*
* On architectures where I16 and I32 aren't really 16 and 32 bits,
if (cv) {
if (CvCLONE(cv))
cv = (CV*)sv_2mortal((SV*)cv_clone(cv));
+ if ((PL_op->op_private & OPpLVAL_INTRO) && !CvLVALUE(cv))
+ DIE(aTHX_ "Can't modify non-lvalue subroutine call");
}
else
cv = (CV*)&PL_sv_undef;
goto set;
else { /* None such */
nonesuch:
- Perl_croak(aTHX_ "Can't find an opnumber for \"%s\"", s+6);
+ DIE(aTHX_ "Can't find an opnumber for \"%s\"", s+6);
}
}
}
else
(void)SvREFCNT_inc(sv);
}
+ else if (SvTYPE(sv) == SVt_PVAV) {
+ if (!AvREAL((AV*)sv) && AvREIFY((AV*)sv))
+ av_reify((AV*)sv);
+ SvTEMP_off(sv);
+ (void)SvREFCNT_inc(sv);
+ }
else if (SvPADTMP(sv))
sv = newSVsv(sv);
else {
{
djSP;
if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
- Perl_croak(aTHX_ PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
SvIVX(TOPs) != IV_MIN)
{
{
djSP; dTARGET;
if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
- Perl_croak(aTHX_ PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
sv_setsv(TARG, TOPs);
if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
SvIVX(TOPs) != IV_MAX)
{
djSP; dTARGET;
if (SvREADONLY(TOPs) || SvTYPE(TOPs) > SVt_PVLV)
- Perl_croak(aTHX_ PL_no_modify);
+ DIE(aTHX_ PL_no_modify);
sv_setsv(TARG, TOPs);
if (SvIOK_notUV(TOPs) && !SvNOK(TOPs) && !SvPOK(TOPs) &&
SvIVX(TOPs) != IV_MIN)
PP(pp_multiply)
{
djSP; dATARGET; tryAMAGICbin(mult,opASSIGN);
- tryIVIVbin(*);
{
dPOPTOPnnrl;
SETn( left * right );
PP(pp_divide)
{
djSP; dATARGET; tryAMAGICbin(div,opASSIGN);
- if (TOPIOKbin) {
- dPOPTOPiirl_ul;
- if (right == 0)
- DIE(aTHX_ "Illegal division by zero");
- if ((left % right) && !(PL_op->op_private & HINT_INTEGER))
- SETn( (NV)left / (NV)right );
- else
- SETi( left / right );
- RETURN;
- }
{
dPOPPOPnnrl;
NV value;
PP(pp_subtract)
{
djSP; dATARGET; tryAMAGICbin(subtr,opASSIGN);
- tryIVIVbin(-);
{
dPOPTOPnnrl_ul;
SETn( left - right );
{
djSP; dATARGET; tryAMAGICbin(lshift,opASSIGN);
{
- IV shift = POPi;
+ IBW shift = POPi;
if (PL_op->op_private & HINT_INTEGER) {
- IV i = TOPi;
- SETi(i << shift);
+ IBW i = TOPi;
+ i = BWi(i) << shift;
+ SETi(BWi(i));
}
else {
- UV u = TOPu;
- SETu(u << shift);
+ UBW u = TOPu;
+ u <<= shift;
+ SETu(BWu(u));
}
RETURN;
}
{
djSP; dATARGET; tryAMAGICbin(rshift,opASSIGN);
{
- IV shift = POPi;
+ IBW shift = POPi;
if (PL_op->op_private & HINT_INTEGER) {
- IV i = TOPi;
- SETi(i >> shift);
+ IBW i = TOPi;
+ i = BWi(i) >> shift;
+ SETi(BWi(i));
}
else {
- UV u = TOPu;
- SETu(u >> shift);
+ UBW u = TOPu;
+ u >>= shift;
+ SETu(BWu(u));
}
RETURN;
}
dPOPTOPssrl;
if (SvNIOKp(left) || SvNIOKp(right)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV value = SvIV(left) & SvIV(right);
- SETi(value);
+ IBW value = SvIV(left) & SvIV(right);
+ SETi(BWi(value));
}
else {
- UV value = SvUV(left) & SvUV(right);
- SETu(value);
+ UBW value = SvUV(left) & SvUV(right);
+ SETu(BWu(value));
}
}
else {
dPOPTOPssrl;
if (SvNIOKp(left) || SvNIOKp(right)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right);
- SETi(value);
+ IBW value = (USE_LEFT(left) ? SvIV(left) : 0) ^ SvIV(right);
+ SETi(BWi(value));
}
else {
- UV value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right);
- SETu(value);
+ UBW value = (USE_LEFT(left) ? SvUV(left) : 0) ^ SvUV(right);
+ SETu(BWu(value));
}
}
else {
dPOPTOPssrl;
if (SvNIOKp(left) || SvNIOKp(right)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right);
- SETi(value);
+ IBW value = (USE_LEFT(left) ? SvIV(left) : 0) | SvIV(right);
+ SETi(BWi(value));
}
else {
- UV value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right);
- SETu(value);
+ UBW value = (USE_LEFT(left) ? SvUV(left) : 0) | SvUV(right);
+ SETu(BWu(value));
}
}
else {
dTOPss;
if (SvNIOKp(sv)) {
if (PL_op->op_private & HINT_INTEGER) {
- IV value = ~SvIV(sv);
- SETi(value);
+ IBW value = ~SvIV(sv);
+ SETi(BWi(value));
}
else {
- UV value = ~SvUV(sv);
- SETu(value);
+ UBW value = ~SvUV(sv);
+ SETu(BWu(value));
}
}
else {
# endif
#endif
u += SEED_C3 * (U32)getpid();
- u += SEED_C4 * (U32)(UV)PL_stack_sp;
+ u += SEED_C4 * (U32)PTR2UV(PL_stack_sp);
#ifndef PLAN9 /* XXX Plan9 assembler chokes on this; fix needed */
- u += SEED_C5 * (U32)(UV)&when;
+ u += SEED_C5 * (U32)PTR2UV(&when);
#endif
return u;
}
register I32 offset = POPi;
register SV *src = POPs;
I32 lvalue = PL_op->op_flags & OPf_MOD;
- STRLEN srclen;
- unsigned char *s = (unsigned char*)SvPV(src, srclen);
- unsigned long retnum;
- I32 len;
- SvTAINTED_off(TARG); /* decontaminate */
- offset *= size; /* turn into bit offset */
- len = (offset + size + 7) / 8;
- if (offset < 0 || size < 1)
- retnum = 0;
- else {
- if (lvalue) { /* it's an lvalue! */
- if (SvTYPE(TARG) < SVt_PVLV) {
- sv_upgrade(TARG, SVt_PVLV);
- sv_magic(TARG, Nullsv, 'v', Nullch, 0);
- }
-
- LvTYPE(TARG) = 'v';
- if (LvTARG(TARG) != src) {
- if (LvTARG(TARG))
- SvREFCNT_dec(LvTARG(TARG));
- LvTARG(TARG) = SvREFCNT_inc(src);
- }
- LvTARGOFF(TARG) = offset;
- LvTARGLEN(TARG) = size;
- }
- if (len > srclen) {
- if (size <= 8)
- retnum = 0;
- else {
- offset >>= 3;
- if (size == 16) {
- if (offset >= srclen)
- retnum = 0;
- else
- retnum = (unsigned long) s[offset] << 8;
- }
- else if (size == 32) {
- if (offset >= srclen)
- retnum = 0;
- else if (offset + 1 >= srclen)
- retnum = (unsigned long) s[offset] << 24;
- else if (offset + 2 >= srclen)
- retnum = ((unsigned long) s[offset] << 24) +
- ((unsigned long) s[offset + 1] << 16);
- else
- retnum = ((unsigned long) s[offset] << 24) +
- ((unsigned long) s[offset + 1] << 16) +
- (s[offset + 2] << 8);
- }
- }
+ SvTAINTED_off(TARG); /* decontaminate */
+ if (lvalue) { /* it's an lvalue! */
+ if (SvTYPE(TARG) < SVt_PVLV) {
+ sv_upgrade(TARG, SVt_PVLV);
+ sv_magic(TARG, Nullsv, 'v', Nullch, 0);
}
- else if (size < 8)
- retnum = (s[offset >> 3] >> (offset & 7)) & ((1 << size) - 1);
- else {
- offset >>= 3;
- if (size == 8)
- retnum = s[offset];
- else if (size == 16)
- retnum = ((unsigned long) s[offset] << 8) + s[offset+1];
- else if (size == 32)
- retnum = ((unsigned long) s[offset] << 24) +
- ((unsigned long) s[offset + 1] << 16) +
- (s[offset + 2] << 8) + s[offset+3];
+ LvTYPE(TARG) = 'v';
+ if (LvTARG(TARG) != src) {
+ if (LvTARG(TARG))
+ SvREFCNT_dec(LvTARG(TARG));
+ LvTARG(TARG) = SvREFCNT_inc(src);
}
+ LvTARGOFF(TARG) = offset;
+ LvTARGLEN(TARG) = size;
}
- sv_setuv(TARG, (UV)retnum);
+ sv_setuv(TARG, do_vecget(src, offset, size));
PUSHs(TARG);
RETURN;
}
#endif
if (isSPACE(datumtype))
continue;
+ if (datumtype == '#') {
+ while (pat < patend && *pat != '\n')
+ pat++;
+ continue;
+ }
if (*pat == '!') {
char *natstr = "sSiIlL";
pat++;
}
else
- Perl_croak(aTHX_ "'!' allowed only after types %s", natstr);
+ DIE(aTHX_ "'!' allowed only after types %s", natstr);
}
if (pat >= patend)
len = 1;
while (isDIGIT(*pat)) {
len = (len * 10) + (*pat++ - '0');
if (len < 0)
- Perl_croak(aTHX_ "Repeat count in unpack overflows");
+ DIE(aTHX_ "Repeat count in unpack overflows");
}
}
else
len = (datumtype != '@');
switch(datumtype) {
default:
- Perl_croak(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype);
+ DIE(aTHX_ "Invalid type in unpack: '%c'", (int)datumtype);
case ',': /* grandfather in commas but with a warning */
if (commas++ == 0 && ckWARN(WARN_UNSAFE))
- Perl_warner(aTHX_ WARN_UNSAFE, "Invalid type in unpack: '%c'", (int)datumtype);
+ Perl_warner(aTHX_ WARN_UNSAFE,
+ "Invalid type in unpack: '%c'", (int)datumtype);
break;
case '%':
if (len == 1 && pat[-1] != '1')
DIE(aTHX_ "x outside of string");
s += len;
break;
- case '#':
+ case '/':
if (oldsp >= SP)
- DIE(aTHX_ "# must follow a numeric type");
+ DIE(aTHX_ "/ must follow a numeric type");
if (*pat != 'a' && *pat != 'A' && *pat != 'Z')
- DIE(aTHX_ "# must be followed by a, A or Z");
+ DIE(aTHX_ "/ must be followed by a, A or Z");
datumtype = *pat++;
if (*pat == '*')
pat++; /* ignore '*' for compatibility with pack */
if (isDIGIT(*pat))
- DIE(aTHX_ "# cannot take a count" );
+ DIE(aTHX_ "/ cannot take a count" );
len = POPi;
/* drop through */
case 'A':
}
}
if ((s >= strend) && bytes)
- Perl_croak(aTHX_ "Unterminated compressed integer");
+ DIE(aTHX_ "Unterminated compressed integer");
}
break;
case 'P':
#endif
if (isSPACE(datumtype))
continue;
+ if (datumtype == '#') {
+ while (pat < patend && *pat != '\n')
+ pat++;
+ continue;
+ }
if (*pat == '!') {
char *natstr = "sSiIlL";
pat++;
}
else
- Perl_croak(aTHX_ "'!' allowed only after types %s", natstr);
+ DIE(aTHX_ "'!' allowed only after types %s", natstr);
}
if (*pat == '*') {
len = strchr("@Xxu", datumtype) ? 0 : items;
while (isDIGIT(*pat)) {
len = (len * 10) + (*pat++ - '0');
if (len < 0)
- Perl_croak(aTHX_ "Repeat count in pack overflows");
+ DIE(aTHX_ "Repeat count in pack overflows");
}
}
else
len = 1;
- if (*pat == '#') {
+ if (*pat == '/') {
++pat;
if (*pat != 'a' && *pat != 'A' && *pat != 'Z' || pat[1] != '*')
- DIE(aTHX_ "# must be followed by a*, A* or Z*");
+ DIE(aTHX_ "/ must be followed by a*, A* or Z*");
lengthcode = sv_2mortal(newSViv(sv_len(items > 0
? *MARK : &PL_sv_no)));
}
switch(datumtype) {
default:
- Perl_croak(aTHX_ "Invalid type in pack: '%c'", (int)datumtype);
+ DIE(aTHX_ "Invalid type in pack: '%c'", (int)datumtype);
case ',': /* grandfather in commas but with a warning */
if (commas++ == 0 && ckWARN(WARN_UNSAFE))
Perl_warner(aTHX_ WARN_UNSAFE,
adouble = Perl_floor(SvNV(fromstr));
if (adouble < 0)
- Perl_croak(aTHX_ "Cannot compress negative numbers");
+ DIE(aTHX_ "Cannot compress negative numbers");
if (
#ifdef BW_BITS
/* Copy string and check for compliance */
from = SvPV(fromstr, len);
if ((norm = is_an_int(from, len)) == NULL)
- Perl_croak(aTHX_ "can compress only unsigned integer");
+ DIE(aTHX_ "can compress only unsigned integer");
New('w', result, len, char);
in = result + len;
double next = floor(adouble / 128);
*--in = (unsigned char)(adouble - (next * 128)) | 0x80;
if (--in < buf) /* this cannot happen ;-) */
- Perl_croak(aTHX_ "Cannot compress integer");
+ DIE(aTHX_ "Cannot compress integer");
adouble = next;
} while (adouble > 0);
buf[sizeof(buf) - 1] &= 0x7f; /* clear continue bit */
sv_catpvn(cat, in, (buf + sizeof(buf)) - in);
}
else
- Perl_croak(aTHX_ "Cannot compress non integer");
+ DIE(aTHX_ "Cannot compress non integer");
}
break;
case 'i':
else {
if (!AvREAL(ary)) {
AvREAL_on(ary);
+ AvREIFY_off(ary);
for (i = AvFILLp(ary); i >= 0; i--)
AvARRAY(ary)[i] = &PL_sv_undef; /* don't free mere refs */
}
++s;
}
}
- else if (rx->prelen == 1 && *rx->precomp == '^') {
- if (!(pm->op_pmflags & PMf_MULTILINE)
- && !(pm->op_pmregexp->reganch & ROPT_WARNED)) {
- if (ckWARN(WARN_DEPRECATED))
- Perl_warner(aTHX_ WARN_DEPRECATED,
- "split /^/ better written as split /^/m");
- pm->op_pmregexp->reganch |= ROPT_WARNED;
- }
+ else if (strEQ("^", rx->precomp)) {
while (--limit) {
/*SUPPRESS 530*/
for (m = s; m < strend && *m != '\n'; m++) ;
Perl_croak(aTHX_ "panic: unlock_condpair unlocking mutex that we don't own");
MgOWNER(mg) = 0;
COND_SIGNAL(MgOWNERCONDP(mg));
- DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: unlock 0x%lx\n",
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%lx: unlock 0x%lx\n",
(unsigned long)thr, (unsigned long)svv);)
MUTEX_UNLOCK(MgMUTEXP(mg));
}
while (MgOWNER(mg))
COND_WAIT(MgOWNERCONDP(mg), MgMUTEXP(mg));
MgOWNER(mg) = thr;
- DEBUG_S(PerlIO_printf(PerlIO_stderr(), "0x%lx: pp_lock lock 0x%lx\n",
+ DEBUG_S(PerlIO_printf(Perl_debug_log, "0x%lx: pp_lock lock 0x%lx\n",
(unsigned long)thr, (unsigned long)sv);)
MUTEX_UNLOCK(MgMUTEXP(mg));
SAVEDESTRUCTOR(Perl_unlock_condpair, sv);
projects / p5sagit/p5-mst-13.2.git / blobdiff