case SVt_PVAV:
case SVt_PVHV:
case SVt_PVCV:
+ case SVt_PVFM:
+ case SVt_PVIO:
DIE(aTHX_ "Not a SCALAR reference");
}
}
if (SvSCREAM(sv))
RETPUSHYES;
}
- else {
- if (PL_lastscream) {
- SvSCREAM_off(PL_lastscream);
- SvREFCNT_dec(PL_lastscream);
- }
- PL_lastscream = SvREFCNT_inc(sv);
+ s = (unsigned char*)(SvPV(sv, len));
+ pos = len;
+ if (pos <= 0 || !SvPOK(sv)) {
+ /* No point in studying a zero length string, and not safe to study
+ anything that doesn't appear to be a simple scalar (and hence might
+ change between now and when the regexp engine runs without our set
+ magic ever running) such as a reference to an object with overloaded
+ stringification. */
+ RETPUSHNO;
}
+ if (PL_lastscream) {
+ SvSCREAM_off(PL_lastscream);
+ SvREFCNT_dec(PL_lastscream);
+ }
+ PL_lastscream = SvREFCNT_inc(sv);
+
s = (unsigned char*)(SvPV(sv, len));
pos = len;
if (pos <= 0)
if (cv_const_sv((CV*)sv) && ckWARN(WARN_MISC))
Perl_warner(aTHX_ packWARN(WARN_MISC), "Constant subroutine %s undefined",
CvANON((CV*)sv) ? "(anonymous)" : GvENAME(CvGV((CV*)sv)));
- /* FALL THROUGH */
+ /* FALLTHROUGH */
case SVt_PVFM:
{
/* let user-undef'd sub keep its identity */
bhigh = blow >> (4 * sizeof (UV));
blow &= botmask;
if (ahigh && bhigh) {
+ /*EMPTY*/;
/* eg 32 bit is at least 0x10000 * 0x10000 == 0x100000000
which is overflow. Drop to NVs below. */
} else if (!ahigh && !bhigh) {
}
}
-PP(pp_bit_xor)
-{
- dVAR; dSP; dATARGET; tryAMAGICbin(bxor,opASSIGN);
- {
- dPOPTOPssrl;
- SvGETMAGIC(left);
- SvGETMAGIC(right);
- if (SvNIOKp(left) || SvNIOKp(right)) {
- if (PL_op->op_private & HINT_INTEGER) {
- const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) ^ SvIV_nomg(right);
- SETi(i);
- }
- else {
- const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) ^ SvUV_nomg(right);
- SETu(u);
- }
- }
- else {
- do_vop(PL_op->op_type, TARG, left, right);
- SETTARG;
- }
- RETURN;
- }
-}
-
PP(pp_bit_or)
{
- dVAR; dSP; dATARGET; tryAMAGICbin(bor,opASSIGN);
+ dVAR; dSP; dATARGET;
+ const int op_type = PL_op->op_type;
+
+ tryAMAGICbin_var((op_type == OP_BIT_OR ? bor_amg : bxor_amg), opASSIGN);
{
dPOPTOPssrl;
SvGETMAGIC(left);
SvGETMAGIC(right);
if (SvNIOKp(left) || SvNIOKp(right)) {
if (PL_op->op_private & HINT_INTEGER) {
- const IV i = (USE_LEFT(left) ? SvIV_nomg(left) : 0) | SvIV_nomg(right);
- SETi(i);
+ const IV l = (USE_LEFT(left) ? SvIV_nomg(left) : 0);
+ const IV r = SvIV_nomg(right);
+ const IV result = op_type == OP_BIT_OR ? (l | r) : (l ^ r);
+ SETi(result);
}
else {
- const UV u = (USE_LEFT(left) ? SvUV_nomg(left) : 0) | SvUV_nomg(right);
- SETu(u);
+ const UV l = (USE_LEFT(left) ? SvUV_nomg(left) : 0);
+ const UV r = SvUV_nomg(right);
+ const UV result = op_type == OP_BIT_OR ? (l | r) : (l ^ r);
+ SETu(result);
}
}
else {
- do_vop(PL_op->op_type, TARG, left, right);
+ do_vop(op_type, TARG, left, right);
SETTARG;
}
RETURN;
PP(pp_i_divide)
{
+ IV num;
dVAR; dSP; dATARGET; tryAMAGICbin(div,opASSIGN);
{
dPOPiv;
if (value == 0)
- DIE(aTHX_ "Illegal division by zero");
- value = POPi / value;
+ DIE(aTHX_ "Illegal division by zero");
+ num = POPi;
+
+ /* avoid FPE_INTOVF on some platforms when num is IV_MIN */
+ if (value == -1)
+ value = - num;
+ else
+ value = num / value;
PUSHi( value );
RETURN;
}
dPOPTOPiirl;
if (!right)
DIE(aTHX_ "Illegal modulus zero");
- SETi( left % right );
+ /* avoid FPE_INTOVF on some platforms when left is IV_MIN */
+ if (right == -1)
+ SETi( 0 );
+ else
+ SETi( left % right );
RETURN;
}
}
dPOPTOPiirl;
if (!right)
DIE(aTHX_ "Illegal modulus zero");
- SETi( left % PERL_ABS(right) );
+ /* avoid FPE_INTOVF on some platforms when left is IV_MIN */
+ if (right == -1)
+ SETi( 0 );
+ else
+ SETi( left % PERL_ABS(right) );
RETURN;
}
}
}
}
#endif
- SETi( left % right );
+ /* avoid FPE_INTOVF on some platforms when left is IV_MIN */
+ if (right == -1)
+ SETi( 0 );
+ else
+ SETi( left % right );
RETURN;
}
}
PP(pp_sin)
{
- dVAR; dSP; dTARGET; tryAMAGICun(sin);
- {
- const NV value = POPn;
- XPUSHn(Perl_sin(value));
- RETURN;
+ dVAR; dSP; dTARGET;
+ int amg_type = sin_amg;
+ const char *neg_report = NULL;
+ NV (*func)(NV) = Perl_sin;
+ const int op_type = PL_op->op_type;
+
+ switch (op_type) {
+ case OP_COS:
+ amg_type = cos_amg;
+ func = Perl_cos;
+ break;
+ case OP_EXP:
+ amg_type = exp_amg;
+ func = Perl_exp;
+ break;
+ case OP_LOG:
+ amg_type = log_amg;
+ func = Perl_log;
+ neg_report = "log";
+ break;
+ case OP_SQRT:
+ amg_type = sqrt_amg;
+ func = Perl_sqrt;
+ neg_report = "sqrt";
+ break;
}
-}
-PP(pp_cos)
-{
- dVAR; dSP; dTARGET; tryAMAGICun(cos);
+ tryAMAGICun_var(amg_type);
{
const NV value = POPn;
- XPUSHn(Perl_cos(value));
+ if (neg_report) {
+ if (op_type == OP_LOG ? (value <= 0.0) : (value < 0.0)) {
+ SET_NUMERIC_STANDARD();
+ DIE(aTHX_ "Can't take %s of %"NVgf, neg_report, value);
+ }
+ }
+ XPUSHn(func(value));
RETURN;
}
}
RETPUSHYES;
}
-PP(pp_exp)
-{
- dVAR; dSP; dTARGET; tryAMAGICun(exp);
- {
- NV value;
- value = POPn;
- value = Perl_exp(value);
- XPUSHn(value);
- RETURN;
- }
-}
-
-PP(pp_log)
-{
- dVAR; dSP; dTARGET; tryAMAGICun(log);
- {
- const NV value = POPn;
- if (value <= 0.0) {
- SET_NUMERIC_STANDARD();
- DIE(aTHX_ "Can't take log of %"NVgf, value);
- }
- XPUSHn(Perl_log(value));
- RETURN;
- }
-}
-
-PP(pp_sqrt)
-{
- dVAR; dSP; dTARGET; tryAMAGICun(sqrt);
- {
- const NV value = POPn;
- if (value < 0.0) {
- SET_NUMERIC_STANDARD();
- DIE(aTHX_ "Can't take sqrt of %"NVgf, value);
- }
- XPUSHn(Perl_sqrt(value));
- RETURN;
- }
-}
-
PP(pp_int)
{
dVAR; dSP; dTARGET; tryAMAGICun(int);
}
}
}
- if (!is_index) {
- tmps2 = SvPV_const(little, llen);
- }
+ /* Don't actually need the NULL initialisation, but it keeps gcc quiet. */
+ tmps2 = is_index ? NULL : SvPV_const(little, llen);
tmps = SvPV_const(big, biglen);
if (MAXARG < 3)
#define GREEK_CAPITAL_LETTER_SIGMA 0x03A3 /* Unicode U+03A3 */
if (uv == GREEK_CAPITAL_LETTER_SIGMA) {
+ /*EMPTY*/
/*
* Now if the sigma is NOT followed by
* /$ignorable_sequence$cased_letter/;
AV * const av = (AV*)POPs;
SV * const sv = PL_op->op_type == OP_SHIFT ? av_shift(av) : av_pop(av);
EXTEND(SP, 1);
- if (!sv)
- RETPUSHUNDEF;
+ assert (sv);
if (AvREAL(av))
(void)sv_2mortal(sv);
PUSHs(sv);
sv_setsv(TARG, (SP > MARK)
? *SP
: (padoff_du = find_rundefsvoffset(),
- (padoff_du == NOT_IN_PAD || PAD_COMPNAME_FLAGS(padoff_du) & SVpad_OUR)
+ (padoff_du == NOT_IN_PAD
+ || PAD_COMPNAME_FLAGS_isOUR(padoff_du))
? DEFSV : PAD_SVl(padoff_du)));
up = SvPV_force(TARG, len);
if (len > 1) {
projects / p5sagit/p5-mst-13.2.git / blobdiff