#define sv_cmp_static Perl_sv_cmp
#define sv_cmp_locale_static Perl_sv_cmp_locale
-#define SORTHINTS(hintsv) \
- (((hintsv) = GvSV(gv_fetchpv("sort::hints", GV_ADDMULTI, SVt_IV))), \
- (SvIOK(hintsv) ? ((I32)SvIV(hintsv)) : 0))
+#define dSORTHINTS SV *hintsv = GvSV(gv_fetchpv("sort::hints", GV_ADDMULTI, SVt_IV))
+#define SORTHINTS (SvIOK(hintsv) ? ((I32)SvIV(hintsv)) : 0)
#ifndef SMALLSORT
#define SMALLSORT (200)
**
** Unless otherwise specified, pair pointers address the first of two elements.
**
-** b and b+1 are a pair that compare with sense ``sense''.
-** b is the ``bottom'' of adjacent pairs that might form a longer run.
+** b and b+1 are a pair that compare with sense "sense".
+** b is the "bottom" of adjacent pairs that might form a longer run.
**
** p2 parallels b in the list2 array, where runs are defined by
** a pointer chain.
**
-** t represents the ``top'' of the adjacent pairs that might extend
+** t represents the "top" of the adjacent pairs that might extend
** the run beginning at b. Usually, t addresses a pair
** that compares with opposite sense from (b,b+1).
** However, it may also address a singleton element at the end of list1,
-** or it may be equal to ``last'', the first element beyond list1.
+** or it may be equal to "last", the first element beyond list1.
**
** r addresses the Nth pair following b. If this would be beyond t,
** we back it off to t. Only when r is less than t do we consider the
}
if (nmemb <= SMALLSORT) aux = small; /* use stack for aux array */
- else { New(799,aux,nmemb,gptr); } /* allocate auxilliary array */
+ else { Newx(aux,nmemb,gptr); } /* allocate auxilliary array */
level = 0;
stackp = stack;
stackp->runs = dynprep(aTHX_ base, aux, nmemb, cmp);
** which head to merge) the item to merge
** (at pointer q) is the first operand of
** the comparison. When we want to know
- ** if ``q is strictly less than the other'',
+ ** if "q is strictly less than the other",
** we can't just do
** cmp(q, other) < 0
** because stability demands that we treat equality
/* Innoculate large partitions against quadratic behavior */
if (num_elts > QSORT_PLAY_SAFE) {
- register size_t n, j;
- register SV **q;
- for (n = num_elts, q = array; n > 1; ) {
- j = (size_t)(n-- * Drand01());
+ register size_t n;
+ register SV ** const q = array;
+ for (n = num_elts; n > 1; ) {
+ register const size_t j = (size_t)(n-- * Drand01());
temp = q[j];
q[j] = q[n];
q[n] = temp;
qsort_break_even *= 2;
#endif
#if QSORT_ORDER_GUESS == 3
- int prev_break = qsort_break_even;
+ const int prev_break = qsort_break_even;
qsort_break_even *= qsort_break_even;
if (qsort_break_even < prev_break) {
qsort_break_even = (part_right - part_left) + 1;
cmpindir(pTHX_ gptr a, gptr b)
{
I32 sense;
- gptr *ap = (gptr *)a;
- gptr *bp = (gptr *)b;
+ gptr * const ap = (gptr *)a;
+ gptr * const bp = (gptr *)b;
if ((sense = PL_sort_RealCmp(aTHX_ *ap, *bp)) == 0)
sense = (ap > bp) ? 1 : ((ap < bp) ? -1 : 0);
cmpindir_desc(pTHX_ gptr a, gptr b)
{
I32 sense;
- gptr *ap = (gptr *)a;
- gptr *bp = (gptr *)b;
+ gptr * const ap = (gptr *)a;
+ gptr * const bp = (gptr *)b;
/* Reverse the default */
if ((sense = PL_sort_RealCmp(aTHX_ *ap, *bp)))
STATIC void
S_qsortsv(pTHX_ gptr *list1, size_t nmemb, SVCOMPARE_t cmp, U32 flags)
{
- SV *hintsv;
- if (SORTHINTS(hintsv) & HINT_SORT_STABLE) {
+ dSORTHINTS;
+
+ if (SORTHINTS & HINT_SORT_STABLE) {
register gptr **pp, *q;
register size_t n, j, i;
gptr *small[SMALLSORT], **indir, tmp;
/* Small arrays can use the stack, big ones must be allocated */
if (nmemb <= SMALLSORT) indir = small;
- else { New(1799, indir, nmemb, gptr *); }
+ else { Newx(indir, nmemb, gptr *); }
/* Copy pointers to original array elements into indirect array */
for (n = nmemb, pp = indir, q = list1; n--; ) *pp++ = q++;
{
void (*sortsvp)(pTHX_ SV **array, size_t nmemb, SVCOMPARE_t cmp, U32 flags)
= S_mergesortsv;
- SV *hintsv;
- I32 hints;
-
- /* Sun's Compiler (cc: WorkShop Compilers 4.2 30 Oct 1996 C 4.2) used
- to miscompile this function under optimization -O. If you get test
- errors related to picking the correct sort() function, try recompiling
- this file without optimiziation. -- A.D. 4/2002.
- */
- hints = SORTHINTS(hintsv);
+ dSORTHINTS;
+ const I32 hints = SORTHINTS;
if (hints & HINT_SORT_QUICKSORT) {
sortsvp = S_qsortsv;
}
}
-void
+static void
S_sortsv_desc(pTHX_ SV **array, size_t nmemb, SVCOMPARE_t cmp)
{
void (*sortsvp)(pTHX_ SV **array, size_t nmemb, SVCOMPARE_t cmp, U32 flags)
= S_mergesortsv;
- SV *hintsv;
- I32 hints;
-
- /* Sun's Compiler (cc: WorkShop Compilers 4.2 30 Oct 1996 C 4.2) used
- to miscompile this function under optimization -O. If you get test
- errors related to picking the correct sort() function, try recompiling
- this file without optimiziation. -- A.D. 4/2002.
- */
- hints = SORTHINTS(hintsv);
+ dSORTHINTS;
+ const I32 hints = SORTHINTS;
if (hints & HINT_SORT_QUICKSORT) {
sortsvp = S_qsortsv;
}
sortsvp(aTHX_ array, nmemb, cmp, 1);
}
+#define SvNSIOK(sv) ((SvFLAGS(sv) & SVf_NOK) || ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) == SVf_IOK))
+#define SvSIOK(sv) ((SvFLAGS(sv) & (SVf_IOK|SVf_IVisUV)) == SVf_IOK)
+#define SvNSIV(sv) ( SvNOK(sv) ? SvNVX(sv) : ( SvSIOK(sv) ? SvIVX(sv) : sv_2nv(sv) ) )
+
PP(pp_sort)
{
- dSP; dMARK; dORIGMARK;
+ dVAR; dSP; dMARK; dORIGMARK;
register SV **p1 = ORIGMARK+1, **p2;
register I32 max, i;
AV* av = Nullav;
bool hasargs = FALSE;
I32 is_xsub = 0;
I32 sorting_av = 0;
- U8 priv = PL_op->op_private;
- U8 flags = PL_op->op_flags;
+ const U8 priv = PL_op->op_private;
+ const U8 flags = PL_op->op_flags;
void (*sortsvp)(pTHX_ SV **array, size_t nmemb, SVCOMPARE_t cmp)
= Perl_sortsv;
+ I32 all_SIVs = 1;
if (gimme != G_ARRAY) {
SP = MARK;
else {
cv = sv_2cv(*++MARK, &stash, &gv, 0);
if (cv && SvPOK(cv)) {
- STRLEN n_a;
- char *proto = SvPV((SV*)cv, n_a);
+ const char *proto = SvPV_nolen_const((SV*)cv);
if (proto && strEQ(proto, "$$")) {
hasargs = TRUE;
}
SAVEVPTR(CvROOT(cv)->op_ppaddr);
CvROOT(cv)->op_ppaddr = PL_ppaddr[OP_NULL];
- PAD_SET_CUR(CvPADLIST(cv), 1);
+ SAVECOMPPAD();
+ PAD_SET_CUR_NOSAVE(CvPADLIST(cv), 1);
}
}
}
sortsvp = S_sortsv_desc;
}
- /* shuffle stack down, removing optional initial cv (p1!=p2), plus any
- * nulls; also stringify any args */
+ /* shuffle stack down, removing optional initial cv (p1!=p2), plus
+ * any nulls; also stringify or converting to integer or number as
+ * required any args */
for (i=max; i > 0 ; i--) {
if ((*p1 = *p2++)) { /* Weed out nulls. */
SvTEMP_off(*p1);
- if (!PL_sortcop && !SvPOK(*p1)) {
- STRLEN n_a;
- if (SvAMAGIC(*p1))
- overloading = 1;
- else
- (void)sv_2pv(*p1, &n_a);
+ if (!PL_sortcop) {
+ if (priv & OPpSORT_NUMERIC) {
+ if (priv & OPpSORT_INTEGER) {
+ if (!SvIOK(*p1)) {
+ if (SvAMAGIC(*p1))
+ overloading = 1;
+ else
+ (void)sv_2iv(*p1);
+ }
+ }
+ else {
+ if (!SvNSIOK(*p1)) {
+ if (SvAMAGIC(*p1))
+ overloading = 1;
+ else
+ (void)sv_2nv(*p1);
+ }
+ if (all_SIVs && !SvSIOK(*p1))
+ all_SIVs = 0;
+ }
+ }
+ else {
+ if (!SvPOK(*p1)) {
+ if (SvAMAGIC(*p1))
+ overloading = 1;
+ else
+ (void)sv_2pv_flags(*p1, 0,
+ SV_GMAGIC|SV_CONST_RETURN);
+ }
+ }
}
p1++;
}
if (PL_sortcop) {
PERL_CONTEXT *cx;
SV** newsp;
- bool oldcatch = CATCH_GET;
+ const bool oldcatch = CATCH_GET;
SAVETMPS;
SAVEOP();
start = sorting_av ? AvARRAY(av) : ORIGMARK+1;
sortsvp(aTHX_ start, max,
(priv & OPpSORT_NUMERIC)
- ? ( (priv & OPpSORT_INTEGER)
+ ? ( ( ( priv & OPpSORT_INTEGER) || all_SIVs)
? ( overloading ? amagic_i_ncmp : sv_i_ncmp)
- : ( overloading ? amagic_ncmp : sv_ncmp))
+ : ( overloading ? amagic_ncmp : sv_ncmp ) )
: ( IN_LOCALE_RUNTIME
? ( overloading
? amagic_cmp_locale
}
if (av && !sorting_av) {
/* simulate pp_aassign of tied AV */
- SV *sv;
- SV** base, **didstore;
- for (base = ORIGMARK+1, i=0; i < max; i++) {
- sv = newSVsv(base[i]);
- base[i] = sv;
+ SV** const base = ORIGMARK+1;
+ for (i=0; i < max; i++) {
+ base[i] = newSVsv(base[i]);
}
av_clear(av);
av_extend(av, max);
for (i=0; i < max; i++) {
- sv = base[i];
- didstore = av_store(av, i, sv);
+ SV * const sv = base[i];
+ SV **didstore = av_store(av, i, sv);
if (SvSMAGICAL(sv))
mg_set(sv);
if (!didstore)
static I32
sortcv(pTHX_ SV *a, SV *b)
{
- I32 oldsaveix = PL_savestack_ix;
- I32 oldscopeix = PL_scopestack_ix;
+ dVAR;
+ const I32 oldsaveix = PL_savestack_ix;
+ const I32 oldscopeix = PL_scopestack_ix;
I32 result;
GvSV(PL_firstgv) = a;
GvSV(PL_secondgv) = b;
static I32
sortcv_stacked(pTHX_ SV *a, SV *b)
{
- I32 oldsaveix = PL_savestack_ix;
- I32 oldscopeix = PL_scopestack_ix;
+ dVAR;
+ const I32 oldsaveix = PL_savestack_ix;
+ const I32 oldscopeix = PL_scopestack_ix;
I32 result;
- AV *av;
-
- av = GvAV(PL_defgv);
+ AV * const av = GvAV(PL_defgv);
if (AvMAX(av) < 1) {
SV** ary = AvALLOC(av);
if (AvARRAY(av) != ary) {
AvMAX(av) += AvARRAY(av) - AvALLOC(av);
- SvPVX(av) = (char*)ary;
+ SvPV_set(av, (char*)ary);
}
if (AvMAX(av) < 1) {
AvMAX(av) = 1;
Renew(ary,2,SV*);
- SvPVX(av) = (char*)ary;
+ SvPV_set(av, (char*)ary);
}
}
AvFILLp(av) = 1;
static I32
sortcv_xsub(pTHX_ SV *a, SV *b)
{
- dSP;
- I32 oldsaveix = PL_savestack_ix;
- I32 oldscopeix = PL_scopestack_ix;
+ dVAR; dSP;
+ const I32 oldsaveix = PL_savestack_ix;
+ const I32 oldscopeix = PL_scopestack_ix;
+ CV * const cv=(CV*)PL_sortcop;
I32 result;
- CV *cv=(CV*)PL_sortcop;
SP = PL_stack_base;
PUSHMARK(SP);
static I32
sv_ncmp(pTHX_ SV *a, SV *b)
{
- NV nv1 = SvNV(a);
- NV nv2 = SvNV(b);
+ const NV nv1 = SvNSIV(a);
+ const NV nv2 = SvNSIV(b);
return nv1 < nv2 ? -1 : nv1 > nv2 ? 1 : 0;
}
static I32
sv_i_ncmp(pTHX_ SV *a, SV *b)
{
- IV iv1 = SvIV(a);
- IV iv2 = SvIV(b);
+ const IV iv1 = SvIV(a);
+ const IV iv2 = SvIV(b);
return iv1 < iv2 ? -1 : iv1 > iv2 ? 1 : 0;
}
-#define tryCALL_AMAGICbin(left,right,meth,svp) STMT_START { \
- *svp = Nullsv; \
- if (PL_amagic_generation) { \
- if (SvAMAGIC(left)||SvAMAGIC(right))\
- *svp = amagic_call(left, \
- right, \
- CAT2(meth,_amg), \
- 0); \
- } \
- } STMT_END
+
+#define tryCALL_AMAGICbin(left,right,meth) \
+ (PL_amagic_generation && (SvAMAGIC(left)||SvAMAGIC(right))) \
+ ? amagic_call(left, right, CAT2(meth,_amg), 0) \
+ : Nullsv;
static I32
amagic_ncmp(pTHX_ register SV *a, register SV *b)
{
- SV *tmpsv;
- tryCALL_AMAGICbin(a,b,ncmp,&tmpsv);
+ SV * const tmpsv = tryCALL_AMAGICbin(a,b,ncmp);
if (tmpsv) {
- NV d;
-
if (SvIOK(tmpsv)) {
- I32 i = SvIVX(tmpsv);
+ const I32 i = SvIVX(tmpsv);
if (i > 0)
return 1;
return i? -1 : 0;
}
- d = SvNV(tmpsv);
- if (d > 0)
- return 1;
- return d? -1 : 0;
+ else {
+ const NV d = SvNV(tmpsv);
+ if (d > 0)
+ return 1;
+ return d ? -1 : 0;
+ }
}
return sv_ncmp(aTHX_ a, b);
}
static I32
amagic_i_ncmp(pTHX_ register SV *a, register SV *b)
{
- SV *tmpsv;
- tryCALL_AMAGICbin(a,b,ncmp,&tmpsv);
+ SV * const tmpsv = tryCALL_AMAGICbin(a,b,ncmp);
if (tmpsv) {
- NV d;
-
if (SvIOK(tmpsv)) {
- I32 i = SvIVX(tmpsv);
+ const I32 i = SvIVX(tmpsv);
if (i > 0)
return 1;
return i? -1 : 0;
}
- d = SvNV(tmpsv);
- if (d > 0)
- return 1;
- return d? -1 : 0;
+ else {
+ const NV d = SvNV(tmpsv);
+ if (d > 0)
+ return 1;
+ return d ? -1 : 0;
+ }
}
return sv_i_ncmp(aTHX_ a, b);
}
static I32
amagic_cmp(pTHX_ register SV *str1, register SV *str2)
{
- SV *tmpsv;
- tryCALL_AMAGICbin(str1,str2,scmp,&tmpsv);
+ SV * const tmpsv = tryCALL_AMAGICbin(str1,str2,scmp);
if (tmpsv) {
- NV d;
-
if (SvIOK(tmpsv)) {
- I32 i = SvIVX(tmpsv);
+ const I32 i = SvIVX(tmpsv);
if (i > 0)
return 1;
return i? -1 : 0;
}
- d = SvNV(tmpsv);
- if (d > 0)
- return 1;
- return d? -1 : 0;
+ else {
+ const NV d = SvNV(tmpsv);
+ if (d > 0)
+ return 1;
+ return d? -1 : 0;
+ }
}
return sv_cmp(str1, str2);
}
static I32
amagic_cmp_locale(pTHX_ register SV *str1, register SV *str2)
{
- SV *tmpsv;
- tryCALL_AMAGICbin(str1,str2,scmp,&tmpsv);
+ SV * const tmpsv = tryCALL_AMAGICbin(str1,str2,scmp);
if (tmpsv) {
- NV d;
-
if (SvIOK(tmpsv)) {
- I32 i = SvIVX(tmpsv);
+ const I32 i = SvIVX(tmpsv);
if (i > 0)
return 1;
return i? -1 : 0;
}
- d = SvNV(tmpsv);
- if (d > 0)
- return 1;
- return d? -1 : 0;
+ else {
+ const NV d = SvNV(tmpsv);
+ if (d > 0)
+ return 1;
+ return d? -1 : 0;
+ }
}
return sv_cmp_locale(str1, str2);
}
* indent-tabs-mode: t
* End:
*
- * vim: shiftwidth=4:
-*/
+ * ex: set ts=8 sts=4 sw=4 noet:
+ */
projects / p5sagit/p5-mst-13.2.git / blobdiff