#include <XSUB.h>
#ifndef PERL_VERSION
-# include "patchlevel.h"
+# include <patchlevel.h>
+# if !(defined(PERL_VERSION) || (SUBVERSION > 0 && defined(PATCHLEVEL)))
+# include <could_not_find_Perl_patchlevel.h>
+# endif
# define PERL_REVISION 5
# define PERL_VERSION PATCHLEVEL
# define PERL_SUBVERSION SUBVERSION
#endif
+#if PERL_VERSION >= 6
+# include "multicall.h"
+#endif
+
+#ifndef aTHX
+# define aTHX
+# define pTHX
+#endif
+/* Some platforms have strict exports. And before 5.7.3 cxinc (or Perl_cxinc)
+ was not exported. Therefore platforms like win32, VMS etc have problems
+ so we redefine it here -- GMB
+*/
+#if PERL_VERSION < 7
+/* Not in 5.6.1. */
+# define SvUOK(sv) SvIOK_UV(sv)
+# ifdef cxinc
+# undef cxinc
+# endif
+# define cxinc() my_cxinc(aTHX)
+static I32
+my_cxinc(pTHX)
+{
+ cxstack_max = cxstack_max * 3 / 2;
+ Renew(cxstack, cxstack_max + 1, struct context); /* XXX should fix CXINC macro */
+ return cxstack_ix + 1;
+}
+#endif
+
+#if PERL_VERSION < 6
+# define NV double
+#endif
+
+#ifdef SVf_IVisUV
+# define slu_sv_value(sv) (SvIOK(sv)) ? (SvIOK_UV(sv)) ? (NV)(SvUVX(sv)) : (NV)(SvIVX(sv)) : (SvNV(sv))
+#else
+# define slu_sv_value(sv) (SvIOK(sv)) ? (NV)(SvIVX(sv)) : (SvNV(sv))
+#endif
+
+#ifndef Drand01
+# define Drand01() ((rand() & 0x7FFF) / (double) ((unsigned long)1 << 15))
+#endif
+
#if PERL_VERSION < 5
# ifndef gv_stashpvn
# define gv_stashpvn(n,l,c) gv_stashpv(n,c)
# endif
#endif
+#ifndef PTR2UV
+# define PTR2UV(ptr) (UV)(ptr)
+#endif
+
+#ifndef SvUV_set
+# define SvUV_set(sv, val) (((XPVUV*)SvANY(sv))->xuv_uv = (val))
+#endif
+
+#ifndef PERL_UNUSED_DECL
+# ifdef HASATTRIBUTE
+# if (defined(__GNUC__) && defined(__cplusplus)) || defined(__INTEL_COMPILER)
+# define PERL_UNUSED_DECL
+# else
+# define PERL_UNUSED_DECL __attribute__((unused))
+# endif
+# else
+# define PERL_UNUSED_DECL
+# endif
+#endif
+
+#ifndef dNOOP
+#define dNOOP extern int Perl___notused PERL_UNUSED_DECL
+#endif
+
+#ifndef dVAR
+#define dVAR dNOOP
+#endif
+
+#ifndef GvSVn
+# define GvSVn GvSV
+#endif
+
MODULE=List::Util PACKAGE=List::Util
void
XSRETURN_UNDEF;
}
retsv = ST(0);
- retval = SvNV(retsv);
+ retval = slu_sv_value(retsv);
for(index = 1 ; index < items ; index++) {
SV *stacksv = ST(index);
- NV val = SvNV(stacksv);
+ NV val = slu_sv_value(stacksv);
if(val < retval ? !ix : ix) {
retsv = stacksv;
retval = val;
PROTOTYPE: @
CODE:
{
+ SV *sv;
int index;
if(!items) {
XSRETURN_UNDEF;
}
- RETVAL = SvNV(ST(0));
+ sv = ST(0);
+ RETVAL = slu_sv_value(sv);
for(index = 1 ; index < items ; index++) {
- RETVAL += SvNV(ST(index));
+ sv = ST(index);
+ RETVAL += slu_sv_value(sv);
}
}
OUTPUT:
+#ifdef dMULTICALL
+
void
reduce(block,...)
SV * block
PROTOTYPE: &@
CODE:
{
- SV *ret;
+ dVAR; dMULTICALL;
+ SV *ret = sv_newmortal();
int index;
- I32 markix;
GV *agv,*bgv,*gv;
HV *stash;
+ I32 gimme = G_SCALAR;
+ SV **args = &PL_stack_base[ax];
CV *cv;
- OP *reducecop;
+
if(items <= 1) {
XSRETURN_UNDEF;
}
+ cv = sv_2cv(block, &stash, &gv, 0);
+ PUSH_MULTICALL(cv);
agv = gv_fetchpv("a", TRUE, SVt_PV);
bgv = gv_fetchpv("b", TRUE, SVt_PV);
SAVESPTR(GvSV(agv));
SAVESPTR(GvSV(bgv));
- cv = sv_2cv(block, &stash, &gv, 0);
- reducecop = CvSTART(cv);
- SAVESPTR(CvROOT(cv)->op_ppaddr);
- CvROOT(cv)->op_ppaddr = PL_ppaddr[OP_NULL];
- SAVESPTR(PL_curpad);
- PL_curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]);
- SAVETMPS;
- SAVESPTR(PL_op);
- ret = ST(1);
- markix = sp - PL_stack_base;
+ GvSV(agv) = ret;
+ SvSetSV(ret, args[1]);
for(index = 2 ; index < items ; index++) {
- GvSV(agv) = ret;
- GvSV(bgv) = ST(index);
- PL_op = reducecop;
- CALLRUNOPS(aTHX);
- ret = *PL_stack_sp;
+ GvSV(bgv) = args[index];
+ MULTICALL;
+ SvSetSV(ret, *PL_stack_sp);
}
+ POP_MULTICALL;
ST(0) = ret;
XSRETURN(1);
}
PROTOTYPE: &@
CODE:
{
+ dVAR; dMULTICALL;
int index;
- I32 markix;
GV *gv;
HV *stash;
+ I32 gimme = G_SCALAR;
+ SV **args = &PL_stack_base[ax];
CV *cv;
- OP *reducecop;
+
if(items <= 1) {
XSRETURN_UNDEF;
}
- SAVESPTR(GvSV(PL_defgv));
cv = sv_2cv(block, &stash, &gv, 0);
- reducecop = CvSTART(cv);
- SAVESPTR(CvROOT(cv)->op_ppaddr);
- CvROOT(cv)->op_ppaddr = PL_ppaddr[OP_NULL];
- SAVESPTR(PL_curpad);
- PL_curpad = AvARRAY((AV*)AvARRAY(CvPADLIST(cv))[1]);
- SAVETMPS;
- SAVESPTR(PL_op);
- markix = sp - PL_stack_base;
+ PUSH_MULTICALL(cv);
+ SAVESPTR(GvSV(PL_defgv));
+
for(index = 1 ; index < items ; index++) {
- GvSV(PL_defgv) = ST(index);
- PL_op = reducecop;
- CALLRUNOPS(aTHX);
+ GvSV(PL_defgv) = args[index];
+ MULTICALL;
if (SvTRUE(*PL_stack_sp)) {
+ POP_MULTICALL;
ST(0) = ST(index);
XSRETURN(1);
}
}
+ POP_MULTICALL;
XSRETURN_UNDEF;
}
+#endif
+
+void
+shuffle(...)
+PROTOTYPE: @
+CODE:
+{
+ dVAR;
+ int index;
+#if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION <1)
+ struct op dmy_op;
+ struct op *old_op = PL_op;
+
+ /* We call pp_rand here so that Drand01 get initialized if rand()
+ or srand() has not already been called
+ */
+ memzero((char*)(&dmy_op), sizeof(struct op));
+ /* we let pp_rand() borrow the TARG allocated for this XS sub */
+ dmy_op.op_targ = PL_op->op_targ;
+ PL_op = &dmy_op;
+ (void)*(PL_ppaddr[OP_RAND])(aTHX);
+ PL_op = old_op;
+#else
+ /* Initialize Drand01 if rand() or srand() has
+ not already been called
+ */
+ if (!PL_srand_called) {
+ (void)seedDrand01((Rand_seed_t)Perl_seed(aTHX));
+ PL_srand_called = TRUE;
+ }
+#endif
+
+ for (index = items ; index > 1 ; ) {
+ int swap = (int)(Drand01() * (double)(index--));
+ SV *tmp = ST(swap);
+ ST(swap) = ST(index);
+ ST(index) = tmp;
+ }
+ XSRETURN(items);
+}
+
+
MODULE=List::Util PACKAGE=Scalar::Util
void
ST(0) = sv_newmortal();
(void)SvUPGRADE(ST(0),SVt_PVNV);
sv_setpvn(ST(0),ptr,len);
- if(SvNOKp(num) || !SvIOKp(num)) {
- SvNVX(ST(0)) = SvNV(num);
+ if(SvNOK(num) || SvPOK(num) || SvMAGICAL(num)) {
+ SvNV_set(ST(0), SvNV(num));
SvNOK_on(ST(0));
}
+#ifdef SVf_IVisUV
+ else if (SvUOK(num)) {
+ SvUV_set(ST(0), SvUV(num));
+ SvIOK_on(ST(0));
+ SvIsUV_on(ST(0));
+ }
+#endif
else {
- SvIVX(ST(0)) = SvIV(num);
+ SvIV_set(ST(0), SvIV(num));
SvIOK_on(ST(0));
}
if(PL_tainting && (SvTAINTED(num) || SvTAINTED(str)))
OUTPUT:
RETVAL
+UV
+refaddr(sv)
+ SV * sv
+PROTOTYPE: $
+CODE:
+{
+ if (SvMAGICAL(sv))
+ mg_get(sv);
+ if(!SvROK(sv)) {
+ XSRETURN_UNDEF;
+ }
+ RETVAL = PTR2UV(SvRV(sv));
+}
+OUTPUT:
+ RETVAL
+
void
weaken(sv)
SV *sv
OUTPUT:
RETVAL
+void
+isvstring(sv)
+ SV *sv
+PROTOTYPE: $
+CODE:
+#ifdef SvVOK
+ ST(0) = boolSV(SvVOK(sv));
+ XSRETURN(1);
+#else
+ croak("vstrings are not implemented in this release of perl");
+#endif
+
+int
+looks_like_number(sv)
+ SV *sv
+PROTOTYPE: $
+CODE:
+#if (PERL_VERSION < 8) || (PERL_VERSION == 8 && PERL_SUBVERSION <5)
+ if (SvPOK(sv) || SvPOKp(sv)) {
+ RETVAL = looks_like_number(sv);
+ }
+ else {
+ RETVAL = SvFLAGS(sv) & (SVf_NOK|SVp_NOK|SVf_IOK|SVp_IOK);
+ }
+#else
+ RETVAL = looks_like_number(sv);
+#endif
+OUTPUT:
+ RETVAL
+
+void
+set_prototype(subref, proto)
+ SV *subref
+ SV *proto
+PROTOTYPE: &$
+CODE:
+{
+ if (SvROK(subref)) {
+ SV *sv = SvRV(subref);
+ if (SvTYPE(sv) != SVt_PVCV) {
+ /* not a subroutine reference */
+ croak("set_prototype: not a subroutine reference");
+ }
+ if (SvPOK(proto)) {
+ /* set the prototype */
+ STRLEN len;
+ char *ptr = SvPV(proto, len);
+ sv_setpvn(sv, ptr, len);
+ }
+ else {
+ /* delete the prototype */
+ SvPOK_off(sv);
+ }
+ }
+ else {
+ croak("set_prototype: not a reference");
+ }
+ XSRETURN(1);
+}
+
BOOT:
{
-#ifndef SvWEAKREF
- HV *stash = gv_stashpvn("Scalar::Util", 12, TRUE);
- GV *vargv = *(GV**)hv_fetch(stash, "EXPORT_FAIL", 11, TRUE);
+ HV *lu_stash = gv_stashpvn("List::Util", 10, TRUE);
+ GV *rmcgv = *(GV**)hv_fetch(lu_stash, "REAL_MULTICALL", 14, TRUE);
+ SV *rmcsv;
+#if !defined(SvWEAKREF) || !defined(SvVOK)
+ HV *su_stash = gv_stashpvn("Scalar::Util", 12, TRUE);
+ GV *vargv = *(GV**)hv_fetch(su_stash, "EXPORT_FAIL", 11, TRUE);
AV *varav;
if (SvTYPE(vargv) != SVt_PVGV)
- gv_init(vargv, stash, "Scalar::Util", 12, TRUE);
+ gv_init(vargv, su_stash, "Scalar::Util", 12, TRUE);
varav = GvAVn(vargv);
+#endif
+ if (SvTYPE(rmcgv) != SVt_PVGV)
+ gv_init(rmcgv, lu_stash, "List::Util", 12, TRUE);
+ rmcsv = GvSVn(rmcgv);
+#ifndef SvWEAKREF
av_push(varav, newSVpv("weaken",6));
av_push(varav, newSVpv("isweak",6));
#endif
+#ifndef SvVOK
+ av_push(varav, newSVpv("isvstring",9));
+#endif
+#ifdef REAL_MULTICALL
+ sv_setsv(rmcsv, &PL_sv_yes);
+#else
+ sv_setsv(rmcsv, &PL_sv_no);
+#endif
}