/* sv.c
*
- * Copyright (c) 1991-1997, Larry Wall
+ * Copyright (c) 1991-1999, 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_SV_C
#include "perl.h"
-#ifdef OVR_DBL_DIG
-/* Use an overridden DBL_DIG */
-# ifdef DBL_DIG
-# undef DBL_DIG
-# endif
-# define DBL_DIG OVR_DBL_DIG
-#else
-/* The following is all to get DBL_DIG, in order to pick a nice
- default value for printing floating point numbers in Gconvert.
- (see config.h)
-*/
-#ifdef I_LIMITS
-#include <limits.h>
-#endif
-#ifdef I_FLOAT
-#include <float.h>
-#endif
-#ifndef HAS_DBL_DIG
-#define DBL_DIG 15 /* A guess that works lots of places */
-#endif
-#endif
-
-#ifdef PERL_OBJECT
-#define FCALL this->*f
-#define VTBL this->*vtbl
-
-#else /* !PERL_OBJECT */
-
-static IV asIV _((SV* sv));
-static UV asUV _((SV* sv));
-static SV *more_sv _((void));
-static void more_xiv _((void));
-static void more_xnv _((void));
-static void more_xpv _((void));
-static void more_xrv _((void));
-static XPVIV *new_xiv _((void));
-static XPVNV *new_xnv _((void));
-static XPV *new_xpv _((void));
-static XRV *new_xrv _((void));
-static void del_xiv _((XPVIV* p));
-static void del_xnv _((XPVNV* p));
-static void del_xpv _((XPV* p));
-static void del_xrv _((XRV* p));
-static void sv_mortalgrow _((void));
-static void sv_unglob _((SV* sv));
-static void sv_check_thinkfirst _((SV *sv));
-
-#ifndef PURIFY
-static void *my_safemalloc(MEM_SIZE size);
-#endif
-
-typedef void (*SVFUNC) _((SV*));
-#define VTBL *vtbl
#define FCALL *f
+#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_force_normal(sv)
-#endif /* PERL_OBJECT */
+static void do_report_used(pTHXo_ SV *sv);
+static void do_clean_objs(pTHXo_ SV *sv);
+#ifndef DISABLE_DESTRUCTOR_KLUDGE
+static void do_clean_named_objs(pTHXo_ SV *sv);
+#endif
+static void do_clean_all(pTHXo_ SV *sv);
-#define SV_CHECK_THINKFIRST(sv) if (SvTHINKFIRST(sv)) sv_check_thinkfirst(sv)
#ifdef PURIFY
-#define new_SV(p) \
- do { \
- LOCK_SV_MUTEX; \
- (p) = (SV*)safemalloc(sizeof(SV)); \
- reg_add(p); \
- UNLOCK_SV_MUTEX; \
- } while (0)
-
-#define del_SV(p) \
- do { \
- LOCK_SV_MUTEX; \
- reg_remove(p); \
- Safefree((char*)(p)); \
- UNLOCK_SV_MUTEX; \
- } while (0)
+#define new_SV(p) \
+ STMT_START { \
+ LOCK_SV_MUTEX; \
+ (p) = (SV*)safemalloc(sizeof(SV)); \
+ reg_add(p); \
+ UNLOCK_SV_MUTEX; \
+ SvANY(p) = 0; \
+ SvREFCNT(p) = 1; \
+ SvFLAGS(p) = 0; \
+ } STMT_END
+
+#define del_SV(p) \
+ STMT_START { \
+ LOCK_SV_MUTEX; \
+ reg_remove(p); \
+ Safefree((char*)(p)); \
+ UNLOCK_SV_MUTEX; \
+ } STMT_END
static SV **registry;
static I32 registry_size;
#define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size))
#define REG_REPLACE(sv,a,b) \
- do { \
- void* p = sv->sv_any; \
- I32 h = REGHASH(sv, registry_size); \
- I32 i = h; \
- while (registry[i] != (a)) { \
- if (++i >= registry_size) \
- i = 0; \
- if (i == h) \
- die("SV registry bug"); \
- } \
- registry[i] = (b); \
- } while (0)
+ STMT_START { \
+ void* p = sv->sv_any; \
+ I32 h = REGHASH(sv, registry_size); \
+ I32 i = h; \
+ while (registry[i] != (a)) { \
+ if (++i >= registry_size) \
+ i = 0; \
+ if (i == h) \
+ Perl_die(aTHX_ "SV registry bug"); \
+ } \
+ registry[i] = (b); \
+ } STMT_END
#define REG_ADD(sv) REG_REPLACE(sv,Nullsv,sv)
#define REG_REMOVE(sv) REG_REPLACE(sv,sv,Nullsv)
-static void
-reg_add(sv)
-SV* sv;
+STATIC void
+S_reg_add(pTHX_ SV *sv)
{
if (PL_sv_count >= (registry_size >> 1))
{
++PL_sv_count;
}
-static void
-reg_remove(sv)
-SV* sv;
+STATIC void
+S_reg_remove(pTHX_ SV *sv)
{
REG_REMOVE(sv);
--PL_sv_count;
}
-static void
-visit(f)
-SVFUNC f;
+STATIC void
+S_visit(pTHX_ SVFUNC_t f)
{
I32 i;
}
void
-sv_add_arena(ptr, size, flags)
-char* ptr;
-U32 size;
-U32 flags;
+Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags)
{
if (!(flags & SVf_FAKE))
Safefree(ptr);
* "A time to plant, and a time to uproot what was planted..."
*/
-#define plant_SV(p) \
- do { \
- SvANY(p) = (void *)PL_sv_root; \
- SvFLAGS(p) = SVTYPEMASK; \
- PL_sv_root = (p); \
- --PL_sv_count; \
- } while (0)
+#define plant_SV(p) \
+ STMT_START { \
+ SvANY(p) = (void *)PL_sv_root; \
+ SvFLAGS(p) = SVTYPEMASK; \
+ PL_sv_root = (p); \
+ --PL_sv_count; \
+ } STMT_END
/* sv_mutex must be held while calling uproot_SV() */
-#define uproot_SV(p) \
- do { \
- (p) = PL_sv_root; \
- PL_sv_root = (SV*)SvANY(p); \
- ++PL_sv_count; \
- } while (0)
-
-#define new_SV(p) do { \
- LOCK_SV_MUTEX; \
- if (PL_sv_root) \
- uproot_SV(p); \
- else \
- (p) = more_sv(); \
- UNLOCK_SV_MUTEX; \
- } while (0)
+#define uproot_SV(p) \
+ STMT_START { \
+ (p) = PL_sv_root; \
+ PL_sv_root = (SV*)SvANY(p); \
+ ++PL_sv_count; \
+ } STMT_END
+
+#define new_SV(p) \
+ STMT_START { \
+ LOCK_SV_MUTEX; \
+ if (PL_sv_root) \
+ uproot_SV(p); \
+ else \
+ (p) = more_sv(); \
+ UNLOCK_SV_MUTEX; \
+ SvANY(p) = 0; \
+ SvREFCNT(p) = 1; \
+ SvFLAGS(p) = 0; \
+ } STMT_END
#ifdef DEBUGGING
-#define del_SV(p) do { \
- LOCK_SV_MUTEX; \
- if (PL_debug & 32768) \
- del_sv(p); \
- else \
- plant_SV(p); \
- UNLOCK_SV_MUTEX; \
- } while (0)
+#define del_SV(p) \
+ STMT_START { \
+ LOCK_SV_MUTEX; \
+ if (PL_debug & 32768) \
+ del_sv(p); \
+ else \
+ plant_SV(p); \
+ UNLOCK_SV_MUTEX; \
+ } STMT_END
STATIC void
-del_sv(SV *p)
+S_del_sv(pTHX_ SV *p)
{
if (PL_debug & 32768) {
SV* sva;
ok = 1;
}
if (!ok) {
- warn("Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
+ if (ckWARN_d(WARN_INTERNAL))
+ Perl_warner(aTHX_ WARN_INTERNAL,
+ "Attempt to free non-arena SV: 0x%lx", (unsigned long)p);
return;
}
}
#endif /* DEBUGGING */
void
-sv_add_arena(char *ptr, U32 size, U32 flags)
+Perl_sv_add_arena(pTHX_ char *ptr, U32 size, U32 flags)
{
SV* sva = (SV*)ptr;
register SV* sv;
/* sv_mutex must be held while calling more_sv() */
STATIC SV*
-more_sv(void)
+S_more_sv(pTHX)
{
register SV* sv;
}
STATIC void
-visit(SVFUNC f)
+S_visit(pTHX_ SVFUNC_t f)
{
SV* sva;
SV* sv;
svend = &sva[SvREFCNT(sva)];
for (sv = sva + 1; sv < svend; ++sv) {
if (SvTYPE(sv) != SVTYPEMASK)
- (FCALL)(sv);
+ (FCALL)(aTHXo_ sv);
}
}
}
#endif /* PURIFY */
-STATIC void
-do_report_used(SV *sv)
-{
- if (SvTYPE(sv) != SVTYPEMASK) {
- /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
- PerlIO_printf(PerlIO_stderr(), "****\n");
- sv_dump(sv);
- }
-}
-
void
-sv_report_used(void)
+Perl_sv_report_used(pTHX)
{
- visit(FUNC_NAME_TO_PTR(do_report_used));
+ visit(do_report_used);
}
-STATIC void
-do_clean_objs(SV *sv)
-{
- SV* rv;
-
- if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
- DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));)
- SvROK_off(sv);
- SvRV(sv) = 0;
- SvREFCNT_dec(rv);
- }
-
- /* XXX Might want to check arrays, etc. */
-}
-
-#ifndef DISABLE_DESTRUCTOR_KLUDGE
-STATIC void
-do_clean_named_objs(SV *sv)
-{
- if (SvTYPE(sv) == SVt_PVGV) {
- if ( SvOBJECT(GvSV(sv)) ||
- GvAV(sv) && SvOBJECT(GvAV(sv)) ||
- GvHV(sv) && SvOBJECT(GvHV(sv)) ||
- GvIO(sv) && SvOBJECT(GvIO(sv)) ||
- GvCV(sv) && SvOBJECT(GvCV(sv)) )
- {
- DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));)
- SvREFCNT_dec(sv);
- }
- }
-}
-#endif
-
void
-sv_clean_objs(void)
+Perl_sv_clean_objs(pTHX)
{
PL_in_clean_objs = TRUE;
- visit(FUNC_NAME_TO_PTR(do_clean_objs));
+ visit(do_clean_objs);
#ifndef DISABLE_DESTRUCTOR_KLUDGE
/* some barnacles may yet remain, clinging to typeglobs */
- visit(FUNC_NAME_TO_PTR(do_clean_named_objs));
+ visit(do_clean_named_objs);
#endif
PL_in_clean_objs = FALSE;
}
-STATIC void
-do_clean_all(SV *sv)
-{
- DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%lx\n", sv) );)
- SvFLAGS(sv) |= SVf_BREAK;
- SvREFCNT_dec(sv);
-}
-
void
-sv_clean_all(void)
+Perl_sv_clean_all(pTHX)
{
PL_in_clean_all = TRUE;
- visit(FUNC_NAME_TO_PTR(do_clean_all));
+ visit(do_clean_all);
PL_in_clean_all = FALSE;
}
void
-sv_free_arenas(void)
+Perl_sv_free_arenas(pTHX)
{
SV* sva;
SV* svanext;
}
STATIC XPVIV*
-new_xiv(void)
+S_new_xiv(pTHX)
{
IV* xiv;
LOCK_SV_MUTEX;
}
STATIC void
-del_xiv(XPVIV *p)
+S_del_xiv(pTHX_ XPVIV *p)
{
IV* xiv = (IV*)((char*)(p) + STRUCT_OFFSET(XPVIV, xiv_iv));
LOCK_SV_MUTEX;
}
STATIC void
-more_xiv(void)
+S_more_xiv(pTHX)
{
register IV* xiv;
register IV* xivend;
}
STATIC XPVNV*
-new_xnv(void)
+S_new_xnv(pTHX)
{
- double* xnv;
+ NV* xnv;
LOCK_SV_MUTEX;
if (!PL_xnv_root)
more_xnv();
xnv = PL_xnv_root;
- PL_xnv_root = *(double**)xnv;
+ PL_xnv_root = *(NV**)xnv;
UNLOCK_SV_MUTEX;
return (XPVNV*)((char*)xnv - STRUCT_OFFSET(XPVNV, xnv_nv));
}
STATIC void
-del_xnv(XPVNV *p)
+S_del_xnv(pTHX_ XPVNV *p)
{
- double* xnv = (double*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv));
+ NV* xnv = (NV*)((char*)(p) + STRUCT_OFFSET(XPVNV, xnv_nv));
LOCK_SV_MUTEX;
- *(double**)xnv = PL_xnv_root;
+ *(NV**)xnv = PL_xnv_root;
PL_xnv_root = xnv;
UNLOCK_SV_MUTEX;
}
STATIC void
-more_xnv(void)
+S_more_xnv(pTHX)
{
- register double* xnv;
- register double* xnvend;
- New(711, xnv, 1008/sizeof(double), double);
- xnvend = &xnv[1008 / sizeof(double) - 1];
- xnv += (sizeof(XPVIV) - 1) / sizeof(double) + 1; /* fudge by sizeof XPVIV */
+ register NV* xnv;
+ register NV* xnvend;
+ New(711, xnv, 1008/sizeof(NV), NV);
+ xnvend = &xnv[1008 / sizeof(NV) - 1];
+ xnv += (sizeof(XPVIV) - 1) / sizeof(NV) + 1; /* fudge by sizeof XPVIV */
PL_xnv_root = xnv;
while (xnv < xnvend) {
- *(double**)xnv = (double*)(xnv + 1);
+ *(NV**)xnv = (NV*)(xnv + 1);
xnv++;
}
- *(double**)xnv = 0;
+ *(NV**)xnv = 0;
}
STATIC XRV*
-new_xrv(void)
+S_new_xrv(pTHX)
{
XRV* xrv;
LOCK_SV_MUTEX;
}
STATIC void
-del_xrv(XRV *p)
+S_del_xrv(pTHX_ XRV *p)
{
LOCK_SV_MUTEX;
p->xrv_rv = (SV*)PL_xrv_root;
}
STATIC void
-more_xrv(void)
+S_more_xrv(pTHX)
{
register XRV* xrv;
register XRV* xrvend;
}
STATIC XPV*
-new_xpv(void)
+S_new_xpv(pTHX)
{
XPV* xpv;
LOCK_SV_MUTEX;
}
STATIC void
-del_xpv(XPV *p)
+S_del_xpv(pTHX_ XPV *p)
{
LOCK_SV_MUTEX;
p->xpv_pv = (char*)PL_xpv_root;
}
STATIC void
-more_xpv(void)
+S_more_xpv(pTHX)
{
register XPV* xpv;
register XPV* xpvend;
#ifdef PURIFY
# define my_safemalloc(s) safemalloc(s)
-# define my_safefree(s) free(s)
+# define my_safefree(s) safefree(s)
#else
STATIC void*
-my_safemalloc(MEM_SIZE size)
+S_my_safemalloc(MEM_SIZE size)
{
char *p;
New(717, p, size, char);
#define del_XPVIO(p) my_safefree((char*)p)
bool
-sv_upgrade(register SV *sv, U32 mt)
+Perl_sv_upgrade(pTHX_ register SV *sv, U32 mt)
{
char* pv;
U32 cur;
U32 len;
IV iv;
- double nv;
+ NV nv;
MAGIC* magic;
HV* stash;
cur = 0;
len = 0;
iv = SvIVX(sv);
- nv = (double)SvIVX(sv);
+ nv = (NV)SvIVX(sv);
del_XIV(SvANY(sv));
magic = 0;
stash = 0;
cur = 0;
len = 0;
iv = (IV)pv;
- nv = (double)(unsigned long)pv;
+ nv = (NV)(unsigned long)pv;
del_XRV(SvANY(sv));
magic = 0;
stash = 0;
del_XPVMG(SvANY(sv));
break;
default:
- croak("Can't upgrade that kind of scalar");
+ Perl_croak(aTHX_ "Can't upgrade that kind of scalar");
}
switch (mt) {
case SVt_NULL:
- croak("Can't upgrade to undef");
+ Perl_croak(aTHX_ "Can't upgrade to undef");
case SVt_IV:
SvANY(sv) = new_XIV();
SvIVX(sv) = iv;
}
int
-sv_backoff(register SV *sv)
+Perl_sv_backoff(pTHX_ register SV *sv)
{
assert(SvOOK(sv));
if (SvIVX(sv)) {
}
char *
-sv_grow(register SV *sv, register STRLEN newlen)
+Perl_sv_grow(pTHX_ register SV *sv, register STRLEN newlen)
{
register char *s;
}
void
-sv_setiv(register SV *sv, IV i)
+Perl_sv_setiv(pTHX_ register SV *sv, IV i)
{
SV_CHECK_THINKFIRST(sv);
switch (SvTYPE(sv)) {
break;
case SVt_PVGV:
- if (SvFAKE(sv)) {
- sv_unglob(sv);
- break;
- }
- /* FALL THROUGH */
case SVt_PVAV:
case SVt_PVHV:
case SVt_PVCV:
case SVt_PVIO:
{
dTHR;
- croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
+ Perl_croak(aTHX_ "Can't coerce %s to integer in %s", sv_reftype(sv,0),
PL_op_desc[PL_op->op_type]);
}
}
}
void
-sv_setiv_mg(register SV *sv, IV i)
+Perl_sv_setiv_mg(pTHX_ register SV *sv, IV i)
{
sv_setiv(sv,i);
SvSETMAGIC(sv);
}
void
-sv_setuv(register SV *sv, UV u)
+Perl_sv_setuv(pTHX_ register SV *sv, UV u)
{
- if (u <= IV_MAX)
- sv_setiv(sv, u);
- else
- sv_setnv(sv, (double)u);
+ sv_setiv(sv, 0);
+ SvIsUV_on(sv);
+ SvUVX(sv) = u;
}
void
-sv_setuv_mg(register SV *sv, UV u)
+Perl_sv_setuv_mg(pTHX_ register SV *sv, UV u)
{
sv_setuv(sv,u);
SvSETMAGIC(sv);
}
void
-sv_setnv(register SV *sv, double num)
+Perl_sv_setnv(pTHX_ register SV *sv, NV num)
{
SV_CHECK_THINKFIRST(sv);
switch (SvTYPE(sv)) {
break;
case SVt_PVGV:
- if (SvFAKE(sv)) {
- sv_unglob(sv);
- break;
- }
- /* FALL THROUGH */
case SVt_PVAV:
case SVt_PVHV:
case SVt_PVCV:
case SVt_PVIO:
{
dTHR;
- croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
+ Perl_croak(aTHX_ "Can't coerce %s to number in %s", sv_reftype(sv,0),
PL_op_name[PL_op->op_type]);
}
}
}
void
-sv_setnv_mg(register SV *sv, double num)
+Perl_sv_setnv_mg(pTHX_ register SV *sv, NV num)
{
sv_setnv(sv,num);
SvSETMAGIC(sv);
}
STATIC void
-not_a_number(SV *sv)
+S_not_a_number(pTHX_ SV *sv)
{
dTHR;
char tmpbuf[64];
*d = '\0';
if (PL_op)
- warner(WARN_NUMERIC, "Argument \"%s\" isn't numeric in %s", tmpbuf,
+ Perl_warner(aTHX_ WARN_NUMERIC, "Argument \"%s\" isn't numeric in %s", tmpbuf,
PL_op_name[PL_op->op_type]);
else
- warner(WARN_NUMERIC, "Argument \"%s\" isn't numeric", tmpbuf);
+ Perl_warner(aTHX_ WARN_NUMERIC, "Argument \"%s\" isn't numeric", tmpbuf);
}
+/* the number can be converted to integer with atol() or atoll() */
+#define IS_NUMBER_TO_INT_BY_ATOL 0x01
+#define IS_NUMBER_TO_INT_BY_ATOF 0x02 /* atol() may be != atof() */
+#define IS_NUMBER_NOT_IV 0x04 /* (IV)atof() may be != atof() */
+#define IS_NUMBER_NEG 0x08 /* not good to cache UV */
+
+/* Actually, ISO C leaves conversion of UV to IV undefined, but
+ until proven guilty, assume that things are not that bad... */
+
IV
-sv_2iv(register SV *sv)
+Perl_sv_2iv(pTHX_ register SV *sv)
{
if (!sv)
return 0;
if (SvIOKp(sv))
return SvIVX(sv);
if (SvNOKp(sv)) {
- if (SvNVX(sv) < 0.0)
- return I_V(SvNVX(sv));
- else
- return (IV) U_V(SvNVX(sv));
+ return I_V(SvNVX(sv));
}
if (SvPOKp(sv) && SvLEN(sv))
return asIV(sv);
if (!(SvFLAGS(sv) & SVs_PADTMP)) {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
}
return 0;
}
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
-#ifdef OVERLOAD
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
- return SvIV(tmpstr);
-#endif /* OVERLOAD */
+ return SvIV(tmpstr);
return (IV)SvRV(sv);
}
- if (SvREADONLY(sv)) {
- if (SvNOKp(sv)) {
- if (SvNVX(sv) < 0.0)
- return I_V(SvNVX(sv));
- else
- return (IV) U_V(SvNVX(sv));
- }
- if (SvPOKp(sv) && SvLEN(sv))
- return asIV(sv);
- {
- dTHR;
- if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
- }
+ if (SvREADONLY(sv) && !SvOK(sv)) {
+ dTHR;
+ if (ckWARN(WARN_UNINITIALIZED))
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
return 0;
}
}
- switch (SvTYPE(sv)) {
- case SVt_NULL:
- sv_upgrade(sv, SVt_IV);
- break;
- case SVt_PV:
- sv_upgrade(sv, SVt_PVIV);
- break;
- case SVt_NV:
- sv_upgrade(sv, SVt_PVNV);
- break;
+ if (SvIOKp(sv)) {
+ if (SvIsUV(sv)) {
+ return (IV)(SvUVX(sv));
+ }
+ else {
+ return SvIVX(sv);
+ }
}
if (SvNOKp(sv)) {
+ /* We can cache the IV/UV value even if it not good enough
+ * to reconstruct NV, since the conversion to PV will prefer
+ * NV over IV/UV.
+ */
+
+ if (SvTYPE(sv) == SVt_NV)
+ sv_upgrade(sv, SVt_PVNV);
+
(void)SvIOK_on(sv);
- if (SvNVX(sv) < 0.0)
+ if (SvNVX(sv) < (NV)IV_MAX + 0.5)
SvIVX(sv) = I_V(SvNVX(sv));
- else
+ else {
SvUVX(sv) = U_V(SvNVX(sv));
+ SvIsUV_on(sv);
+ ret_iv_max:
+#ifdef IV_IS_QUAD
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%" PERL_PRIx64 " 2iv(%" PERL_PRIu64 " => %" PERL_PRId64 ") (as unsigned)\n",
+ (UV)sv,
+ (UV)SvUVX(sv), (IV)SvUVX(sv)));
+#else
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%lx 2iv(%lu => %ld) (as unsigned)\n",
+ (unsigned long)sv,
+ (unsigned long)SvUVX(sv), (long)(IV)SvUVX(sv)));
+#endif
+ return (IV)SvUVX(sv);
+ }
}
else if (SvPOKp(sv) && SvLEN(sv)) {
- (void)SvIOK_on(sv);
- SvIVX(sv) = asIV(sv);
+ I32 numtype = looks_like_number(sv);
+
+ /* We want to avoid a possible problem when we cache an IV which
+ may be later translated to an NV, and the resulting NV is not
+ the translation of the initial data.
+
+ This means that if we cache such an IV, we need to cache the
+ NV as well. Moreover, we trade speed for space, and do not
+ cache the NV if not needed.
+ */
+ if (numtype & IS_NUMBER_NOT_IV) {
+ /* May be not an integer. Need to cache NV if we cache IV
+ * - otherwise future conversion to NV will be wrong. */
+ NV d;
+
+ d = Atof(SvPVX(sv));
+
+ if (SvTYPE(sv) < SVt_PVNV)
+ sv_upgrade(sv, SVt_PVNV);
+ SvNVX(sv) = d;
+ (void)SvNOK_on(sv);
+ (void)SvIOK_on(sv);
+#if defined(USE_LONG_DOUBLE)
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%" PERL_PRIgldbl ")\n",
+ (unsigned long)sv, SvNVX(sv)));
+#else
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%g)\n",
+ (unsigned long)sv, SvNVX(sv)));
+#endif
+ if (SvNVX(sv) < (NV)IV_MAX + 0.5)
+ SvIVX(sv) = I_V(SvNVX(sv));
+ else {
+ SvUVX(sv) = U_V(SvNVX(sv));
+ SvIsUV_on(sv);
+ goto ret_iv_max;
+ }
+ }
+ else if (numtype) {
+ /* The NV may be reconstructed from IV - safe to cache IV,
+ which may be calculated by atol(). */
+ if (SvTYPE(sv) == SVt_PV)
+ sv_upgrade(sv, SVt_PVIV);
+ (void)SvIOK_on(sv);
+ SvIVX(sv) = Atol(SvPVX(sv));
+ }
+ else { /* Not a number. Cache 0. */
+ dTHR;
+
+ if (SvTYPE(sv) < SVt_PVIV)
+ sv_upgrade(sv, SVt_PVIV);
+ SvIVX(sv) = 0;
+ (void)SvIOK_on(sv);
+ if (ckWARN(WARN_NUMERIC))
+ not_a_number(sv);
+ }
}
else {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
+ if (SvTYPE(sv) < SVt_IV)
+ /* Typically the caller expects that sv_any is not NULL now. */
+ sv_upgrade(sv, SVt_IV);
return 0;
}
DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
(unsigned long)sv,(long)SvIVX(sv)));
- return SvIVX(sv);
+ return SvIsUV(sv) ? (IV)SvUVX(sv) : SvIVX(sv);
}
UV
-sv_2uv(register SV *sv)
+Perl_sv_2uv(pTHX_ register SV *sv)
{
if (!sv)
return 0;
if (!(SvFLAGS(sv) & SVs_PADTMP)) {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
}
return 0;
}
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
-#ifdef OVERLOAD
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv, numer)))
- return SvUV(tmpstr);
-#endif /* OVERLOAD */
+ return SvUV(tmpstr);
return (UV)SvRV(sv);
}
- if (SvREADONLY(sv)) {
- if (SvNOKp(sv)) {
- return U_V(SvNVX(sv));
- }
- if (SvPOKp(sv) && SvLEN(sv))
- return asUV(sv);
- {
- dTHR;
- if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
- }
+ if (SvREADONLY(sv) && !SvOK(sv)) {
+ dTHR;
+ if (ckWARN(WARN_UNINITIALIZED))
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
return 0;
}
}
- switch (SvTYPE(sv)) {
- case SVt_NULL:
- sv_upgrade(sv, SVt_IV);
- break;
- case SVt_PV:
- sv_upgrade(sv, SVt_PVIV);
- break;
- case SVt_NV:
- sv_upgrade(sv, SVt_PVNV);
- break;
+ if (SvIOKp(sv)) {
+ if (SvIsUV(sv)) {
+ return SvUVX(sv);
+ }
+ else {
+ return (UV)SvIVX(sv);
+ }
}
if (SvNOKp(sv)) {
+ /* We can cache the IV/UV value even if it not good enough
+ * to reconstruct NV, since the conversion to PV will prefer
+ * NV over IV/UV.
+ */
+ if (SvTYPE(sv) == SVt_NV)
+ sv_upgrade(sv, SVt_PVNV);
(void)SvIOK_on(sv);
- SvUVX(sv) = U_V(SvNVX(sv));
+ if (SvNVX(sv) >= -0.5) {
+ SvIsUV_on(sv);
+ SvUVX(sv) = U_V(SvNVX(sv));
+ }
+ else {
+ SvIVX(sv) = I_V(SvNVX(sv));
+ ret_zero:
+#ifdef IV_IS_QUAD
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%" PERL_PRIx64 " 2uv(%" PERL_PRId64 " => %" PERL_PRIu64 ") (as signed)\n",
+ (unsigned long)sv,(long)SvIVX(sv),
+ (long)(UV)SvIVX(sv)));
+#else
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%lx 2uv(%ld => %lu) (as signed)\n",
+ (unsigned long)sv,(long)SvIVX(sv),
+ (long)(UV)SvIVX(sv)));
+#endif
+ return (UV)SvIVX(sv);
+ }
}
else if (SvPOKp(sv) && SvLEN(sv)) {
- (void)SvIOK_on(sv);
- SvUVX(sv) = asUV(sv);
+ I32 numtype = looks_like_number(sv);
+
+ /* We want to avoid a possible problem when we cache a UV which
+ may be later translated to an NV, and the resulting NV is not
+ the translation of the initial data.
+
+ This means that if we cache such a UV, we need to cache the
+ NV as well. Moreover, we trade speed for space, and do not
+ cache the NV if not needed.
+ */
+ if (numtype & IS_NUMBER_NOT_IV) {
+ /* May be not an integer. Need to cache NV if we cache IV
+ * - otherwise future conversion to NV will be wrong. */
+ NV d;
+
+ d = Atof(SvPVX(sv));
+
+ if (SvTYPE(sv) < SVt_PVNV)
+ sv_upgrade(sv, SVt_PVNV);
+ SvNVX(sv) = d;
+ (void)SvNOK_on(sv);
+ (void)SvIOK_on(sv);
+#if defined(USE_LONG_DOUBLE)
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%" PERL_PRIgldbl ")\n",
+ (unsigned long)sv, SvNVX(sv)));
+#else
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%g)\n",
+ (unsigned long)sv, SvNVX(sv)));
+#endif
+ if (SvNVX(sv) < -0.5) {
+ SvIVX(sv) = I_V(SvNVX(sv));
+ goto ret_zero;
+ } else {
+ SvUVX(sv) = U_V(SvNVX(sv));
+ SvIsUV_on(sv);
+ }
+ }
+ else if (numtype & IS_NUMBER_NEG) {
+ /* The NV may be reconstructed from IV - safe to cache IV,
+ which may be calculated by atol(). */
+ if (SvTYPE(sv) == SVt_PV)
+ sv_upgrade(sv, SVt_PVIV);
+ (void)SvIOK_on(sv);
+ SvIVX(sv) = (IV)Atol(SvPVX(sv));
+ }
+ else if (numtype) { /* Non-negative */
+ /* The NV may be reconstructed from UV - safe to cache UV,
+ which may be calculated by strtoul()/atol. */
+ if (SvTYPE(sv) == SVt_PV)
+ sv_upgrade(sv, SVt_PVIV);
+ (void)SvIOK_on(sv);
+ (void)SvIsUV_on(sv);
+#ifdef HAS_STRTOUL
+ SvUVX(sv) = Strtoul(SvPVX(sv), Null(char**), 10);
+#else /* no atou(), but we know the number fits into IV... */
+ /* The only problem may be if it is negative... */
+ SvUVX(sv) = (UV)Atol(SvPVX(sv));
+#endif
+ }
+ else { /* Not a number. Cache 0. */
+ dTHR;
+
+ if (SvTYPE(sv) < SVt_PVIV)
+ sv_upgrade(sv, SVt_PVIV);
+ SvUVX(sv) = 0; /* We assume that 0s have the
+ same bitmap in IV and UV. */
+ (void)SvIOK_on(sv);
+ (void)SvIsUV_on(sv);
+ if (ckWARN(WARN_NUMERIC))
+ not_a_number(sv);
+ }
}
else {
if (!(SvFLAGS(sv) & SVs_PADTMP)) {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
}
+ if (SvTYPE(sv) < SVt_IV)
+ /* Typically the caller expects that sv_any is not NULL now. */
+ sv_upgrade(sv, SVt_IV);
return 0;
}
+
DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
(unsigned long)sv,SvUVX(sv)));
- return SvUVX(sv);
+ return SvIsUV(sv) ? SvUVX(sv) : (UV)SvIVX(sv);
}
-double
-sv_2nv(register SV *sv)
+NV
+Perl_sv_2nv(pTHX_ register SV *sv)
{
if (!sv)
return 0.0;
dTHR;
if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
- SET_NUMERIC_STANDARD();
- return atof(SvPVX(sv));
+ return Atof(SvPVX(sv));
}
- if (SvIOKp(sv))
- return (double)SvIVX(sv);
+ if (SvIOKp(sv)) {
+ if (SvIsUV(sv))
+ return (NV)SvUVX(sv);
+ else
+ return (NV)SvIVX(sv);
+ }
if (!SvROK(sv)) {
if (!(SvFLAGS(sv) & SVs_PADTMP)) {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
}
return 0;
}
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
-#ifdef OVERLOAD
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,numer)))
- return SvNV(tmpstr);
-#endif /* OVERLOAD */
- return (double)(unsigned long)SvRV(sv);
+ return SvNV(tmpstr);
+ return (NV)(unsigned long)SvRV(sv);
}
- if (SvREADONLY(sv)) {
+ if (SvREADONLY(sv) && !SvOK(sv)) {
dTHR;
- if (SvPOKp(sv) && SvLEN(sv)) {
- if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv))
- not_a_number(sv);
- SET_NUMERIC_STANDARD();
- return atof(SvPVX(sv));
- }
- if (SvIOKp(sv))
- return (double)SvIVX(sv);
if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
return 0.0;
}
}
sv_upgrade(sv, SVt_PVNV);
else
sv_upgrade(sv, SVt_NV);
- DEBUG_c(SET_NUMERIC_STANDARD());
- DEBUG_c(PerlIO_printf(Perl_debug_log,
- "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
+#if defined(USE_LONG_DOUBLE)
+ DEBUG_c({
+ RESTORE_NUMERIC_STANDARD();
+ PerlIO_printf(Perl_debug_log, "0x%lx num(%" PERL_PRIgldbl ")\n",
+ (unsigned long)sv, SvNVX(sv));
+ RESTORE_NUMERIC_LOCAL();
+ });
+#else
+ DEBUG_c({
+ RESTORE_NUMERIC_STANDARD();
+ PerlIO_printf(Perl_debug_log, "0x%lx num(%g)\n",
+ (unsigned long)sv, SvNVX(sv));
+ RESTORE_NUMERIC_LOCAL();
+ });
+#endif
}
else if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
if (SvIOKp(sv) &&
(!SvPOKp(sv) || !strchr(SvPVX(sv),'.') || !looks_like_number(sv)))
{
- SvNVX(sv) = (double)SvIVX(sv);
+ SvNVX(sv) = SvIsUV(sv) ? (NV)SvUVX(sv) : (NV)SvIVX(sv);
}
else if (SvPOKp(sv) && SvLEN(sv)) {
dTHR;
if (ckWARN(WARN_NUMERIC) && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
- SET_NUMERIC_STANDARD();
- SvNVX(sv) = atof(SvPVX(sv));
+ SvNVX(sv) = Atof(SvPVX(sv));
}
else {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
+ if (SvTYPE(sv) < SVt_NV)
+ /* Typically the caller expects that sv_any is not NULL now. */
+ sv_upgrade(sv, SVt_NV);
return 0.0;
}
SvNOK_on(sv);
- DEBUG_c(SET_NUMERIC_STANDARD());
- DEBUG_c(PerlIO_printf(Perl_debug_log,
- "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
+#if defined(USE_LONG_DOUBLE)
+ DEBUG_c({
+ RESTORE_NUMERIC_STANDARD();
+ PerlIO_printf(Perl_debug_log, "0x%lx 2nv(%" PERL_PRIgldbl ")\n",
+ (unsigned long)sv, SvNVX(sv));
+ RESTORE_NUMERIC_LOCAL();
+ });
+#else
+ DEBUG_c({
+ RESTORE_NUMERIC_STANDARD();
+ PerlIO_printf(Perl_debug_log, "0x%lx 1nv(%g)\n",
+ (unsigned long)sv, SvNVX(sv));
+ RESTORE_NUMERIC_LOCAL();
+ });
+#endif
return SvNVX(sv);
}
STATIC IV
-asIV(SV *sv)
+S_asIV(pTHX_ SV *sv)
{
I32 numtype = looks_like_number(sv);
- double d;
+ NV d;
- if (numtype == 1)
- return atol(SvPVX(sv));
+ if (numtype & IS_NUMBER_TO_INT_BY_ATOL)
+ return Atol(SvPVX(sv));
if (!numtype) {
dTHR;
if (ckWARN(WARN_NUMERIC))
not_a_number(sv);
}
- SET_NUMERIC_STANDARD();
- d = atof(SvPVX(sv));
- if (d < 0.0)
- return I_V(d);
- else
- return (IV) U_V(d);
+ d = Atof(SvPVX(sv));
+ return I_V(d);
}
STATIC UV
-asUV(SV *sv)
+S_asUV(pTHX_ SV *sv)
{
I32 numtype = looks_like_number(sv);
#ifdef HAS_STRTOUL
- if (numtype == 1)
- return strtoul(SvPVX(sv), Null(char**), 10);
+ if (numtype & IS_NUMBER_TO_INT_BY_ATOL)
+ return Strtoul(SvPVX(sv), Null(char**), 10);
#endif
if (!numtype) {
dTHR;
if (ckWARN(WARN_NUMERIC))
not_a_number(sv);
}
- SET_NUMERIC_STANDARD();
- return U_V(atof(SvPVX(sv)));
+ return U_V(Atof(SvPVX(sv)));
}
+/*
+ * Returns a combination of (advisory only - can get false negatives)
+ * IS_NUMBER_TO_INT_BY_ATOL, IS_NUMBER_TO_INT_BY_ATOF, IS_NUMBER_NOT_IV,
+ * IS_NUMBER_NEG
+ * 0 if does not look like number.
+ *
+ * In fact possible values are 0 and
+ * IS_NUMBER_TO_INT_BY_ATOL 123
+ * IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV 123.1
+ * IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV 123e0
+ * with a possible addition of IS_NUMBER_NEG.
+ */
+
I32
-looks_like_number(SV *sv)
+Perl_looks_like_number(pTHX_ SV *sv)
{
register char *s;
register char *send;
register char *sbegin;
- I32 numtype;
+ register char *nbegin;
+ I32 numtype = 0;
STRLEN len;
if (SvPOK(sv)) {
s = sbegin;
while (isSPACE(*s))
s++;
- if (*s == '+' || *s == '-')
+ if (*s == '-') {
s++;
+ numtype = IS_NUMBER_NEG;
+ }
+ else if (*s == '+')
+ s++;
+
+ nbegin = s;
+ /*
+ * we return IS_NUMBER_TO_INT_BY_ATOL if the number can be converted
+ * to _integer_ with atol() and IS_NUMBER_TO_INT_BY_ATOF if you need
+ * (int)atof().
+ */
- /* next must be digit or '.' */
+ /* next must be digit or the radix separator */
if (isDIGIT(*s)) {
do {
s++;
} while (isDIGIT(*s));
- if (*s == '.') {
+
+ if (s - nbegin >= TYPE_DIGITS(IV)) /* Cannot cache ato[ul]() */
+ numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV;
+ else
+ numtype |= IS_NUMBER_TO_INT_BY_ATOL;
+
+ if (*s == '.'
+#ifdef USE_LOCALE_NUMERIC
+ || IS_NUMERIC_RADIX(*s)
+#endif
+ ) {
s++;
- while (isDIGIT(*s)) /* optional digits after "." */
+ numtype |= IS_NUMBER_NOT_IV;
+ while (isDIGIT(*s)) /* optional digits after the radix */
s++;
}
}
- else if (*s == '.') {
+ else if (*s == '.'
+#ifdef USE_LOCALE_NUMERIC
+ || IS_NUMERIC_RADIX(*s)
+#endif
+ ) {
s++;
- /* no digits before '.' means we need digits after it */
+ numtype |= IS_NUMBER_TO_INT_BY_ATOL | IS_NUMBER_NOT_IV;
+ /* no digits before the radix means we need digits after it */
if (isDIGIT(*s)) {
do {
s++;
else
return 0;
- /*
- * we return 1 if the number can be converted to _integer_ with atol()
- * and 2 if you need (int)atof().
- */
- numtype = 1;
-
/* we can have an optional exponent part */
if (*s == 'e' || *s == 'E') {
- numtype = 2;
+ numtype &= ~IS_NUMBER_NEG;
+ numtype |= IS_NUMBER_TO_INT_BY_ATOF | IS_NUMBER_NOT_IV;
s++;
if (*s == '+' || *s == '-')
s++;
if (s >= send)
return numtype;
if (len == 10 && memEQ(sbegin, "0 but true", 10))
- return 1;
+ return IS_NUMBER_TO_INT_BY_ATOL;
return 0;
}
char *
-sv_2pv(register SV *sv, STRLEN *lp)
+Perl_sv_2pv_nolen(pTHX_ register SV *sv)
+{
+ STRLEN n_a;
+ return sv_2pv(sv, &n_a);
+}
+
+/* We assume that buf is at least TYPE_CHARS(UV) long. */
+static char *
+uiv_2buf(char *buf, IV iv, UV uv, int is_uv, char **peob)
+{
+ STRLEN len;
+ char *ptr = buf + TYPE_CHARS(UV);
+ char *ebuf = ptr;
+ int sign;
+ char *p;
+
+ if (is_uv)
+ sign = 0;
+ else if (iv >= 0) {
+ uv = iv;
+ sign = 0;
+ } else {
+ uv = -iv;
+ sign = 1;
+ }
+ do {
+ *--ptr = '0' + (uv % 10);
+ } while (uv /= 10);
+ if (sign)
+ *--ptr = '-';
+ *peob = ebuf;
+ return ptr;
+}
+
+char *
+Perl_sv_2pv(pTHX_ register SV *sv, STRLEN *lp)
{
register char *s;
int olderrno;
SV *tsv;
- char tmpbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */
+ char tbuf[64]; /* Must fit sprintf/Gconvert of longest IV/NV */
+ char *tmpbuf = tbuf;
if (!sv) {
*lp = 0;
return SvPVX(sv);
}
if (SvIOKp(sv)) {
- (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv));
+#ifdef IV_IS_QUAD
+ if (SvIsUV(sv))
+ (void)sprintf(tmpbuf,"%" PERL_PRIu64,(UV)SvUVX(sv));
+ else
+ (void)sprintf(tmpbuf,"%" PERL_PRId64,(IV)SvIVX(sv));
+#else
+ if (SvIsUV(sv))
+ (void)sprintf(tmpbuf,"%lu",(unsigned long)SvUVX(sv));
+ else
+ (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv));
+#endif
tsv = Nullsv;
goto tokensave;
}
if (SvNOKp(sv)) {
- SET_NUMERIC_STANDARD();
- Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf);
+ Gconvert(SvNVX(sv), NV_DIG, 0, tmpbuf);
tsv = Nullsv;
goto tokensave;
}
if (!(SvFLAGS(sv) & SVs_PADTMP)) {
dTHR;
if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing)
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
}
*lp = 0;
return "";
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
-#ifdef OVERLOAD
SV* tmpstr;
if (SvAMAGIC(sv) && (tmpstr=AMG_CALLun(sv,string)))
- return SvPV(tmpstr,*lp);
-#endif /* OVERLOAD */
+ return SvPV(tmpstr,*lp);
sv = (SV*)SvRV(sv);
if (!sv)
s = "NULLREF";
}
tsv = NEWSV(0,0);
if (SvOBJECT(sv))
- sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s);
+ Perl_sv_setpvf(aTHX_ tsv, "%s=%s", HvNAME(SvSTASH(sv)), s);
else
sv_setpv(tsv, s);
- sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv);
+#ifdef IV_IS_QUAD
+ Perl_sv_catpvf(aTHX_ tsv, "(0x%" PERL_PRIx64")", (UV)sv);
+#else
+ Perl_sv_catpvf(aTHX_ tsv, "(0x%lx)", (unsigned long)sv);
+#endif
goto tokensaveref;
}
*lp = strlen(s);
return s;
}
- if (SvREADONLY(sv)) {
- if (SvNOKp(sv)) {
- SET_NUMERIC_STANDARD();
- Gconvert(SvNVX(sv), DBL_DIG, 0, tmpbuf);
- tsv = Nullsv;
- goto tokensave;
- }
- if (SvIOKp(sv)) {
- (void)sprintf(tmpbuf,"%ld",(long)SvIVX(sv));
- tsv = Nullsv;
- goto tokensave;
- }
- {
- dTHR;
- if (ckWARN(WARN_UNINITIALIZED))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
- }
+ if (SvREADONLY(sv) && !SvOK(sv)) {
+ dTHR;
+ if (ckWARN(WARN_UNINITIALIZED))
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
*lp = 0;
return "";
}
}
- (void)SvUPGRADE(sv, SVt_PV);
- if (SvNOKp(sv)) {
+ if (SvNOKp(sv)) { /* See note in sv_2uv() */
+ /* XXXX 64-bit? IV may have better precision... */
+ /* I tried changing this for to be 64-bit-aware and
+ * the t/op/numconvert.t became very, very, angry.
+ * --jhi Sep 1999 */
if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
SvGROW(sv, 28);
else
#endif /*apollo*/
{
- SET_NUMERIC_STANDARD();
- Gconvert(SvNVX(sv), DBL_DIG, 0, s);
+ Gconvert(SvNVX(sv), NV_DIG, 0, s);
}
errno = olderrno;
#ifdef FIXNEGATIVEZERO
#endif
}
else if (SvIOKp(sv)) {
- U32 oldIOK = SvIOK(sv);
+ U32 isIOK = SvIOK(sv);
+ U32 isUIOK = SvIsUV(sv);
+ char buf[TYPE_CHARS(UV)];
+ char *ebuf, *ptr;
+
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv, SVt_PVIV);
- olderrno = errno; /* some Xenix systems wipe out errno here */
- sv_setpviv(sv, SvIVX(sv));
- errno = olderrno;
+ if (isUIOK)
+ ptr = uiv_2buf(buf, 0, SvUVX(sv), 1, &ebuf);
+ else
+ ptr = uiv_2buf(buf, SvIVX(sv), 0, 0, &ebuf);
+ SvGROW(sv, ebuf - ptr + 1); /* inlined from sv_setpvn */
+ Move(ptr,SvPVX(sv),ebuf - ptr,char);
+ SvCUR_set(sv, ebuf - ptr);
s = SvEND(sv);
- if (oldIOK)
+ *s = '\0';
+ if (isIOK)
SvIOK_on(sv);
else
SvIOKp_on(sv);
+ if (isUIOK)
+ SvIsUV_on(sv);
+ SvPOK_on(sv);
}
else {
dTHR;
- if (ckWARN(WARN_UNINITIALIZED) && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP))
- warner(WARN_UNINITIALIZED, PL_warn_uninit);
+ if (ckWARN(WARN_UNINITIALIZED)
+ && !PL_localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ {
+ Perl_warner(aTHX_ WARN_UNINITIALIZED, PL_warn_uninit);
+ }
*lp = 0;
+ if (SvTYPE(sv) < SVt_PV)
+ /* Typically the caller expects that sv_any is not NULL now. */
+ sv_upgrade(sv, SVt_PV);
return "";
}
*lp = s - SvPVX(sv);
SvCUR_set(sv, *lp);
SvPOK_on(sv);
- DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",(unsigned long)sv,SvPVX(sv)));
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
+ (unsigned long)sv,SvPVX(sv)));
return SvPVX(sv);
tokensave:
/* This function is only called on magical items */
bool
-sv_2bool(register SV *sv)
+Perl_sv_2bool(pTHX_ register SV *sv)
{
if (SvGMAGICAL(sv))
mg_get(sv);
if (!SvOK(sv))
return 0;
if (SvROK(sv)) {
-#ifdef OVERLOAD
- {
dTHR;
SV* tmpsv;
if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
- return SvTRUE(tmpsv);
- }
-#endif /* OVERLOAD */
+ return SvTRUE(tmpsv);
return SvRV(sv) != 0;
}
if (SvPOKp(sv)) {
*/
void
-sv_setsv(SV *dstr, register SV *sstr)
+Perl_sv_setsv(pTHX_ SV *dstr, register SV *sstr)
{
dTHR;
register U32 sflags;
stype = SvTYPE(sstr);
dtype = SvTYPE(dstr);
- if (dtype == SVt_PVGV && (SvFLAGS(dstr) & SVf_FAKE)) {
- sv_unglob(dstr); /* so fake GLOB won't perpetuate */
- sv_setpvn(dstr, "", 0);
- (void)SvPOK_only(dstr);
- dtype = SvTYPE(dstr);
- }
-
-#ifdef OVERLOAD
SvAMAGIC_off(dstr);
-#endif /* OVERLOAD */
+
/* There's a lot of redundancy below but we're going for speed here */
switch (stype) {
}
(void)SvIOK_only(dstr);
SvIVX(dstr) = SvIVX(sstr);
+ if (SvIsUV(sstr))
+ SvIsUV_on(dstr);
SvTAINT(dstr);
return;
}
case SVt_PVCV:
case SVt_PVIO:
if (PL_op)
- croak("Bizarre copy of %s in %s", sv_reftype(sstr, 0),
+ Perl_croak(aTHX_ "Bizarre copy of %s in %s", sv_reftype(sstr, 0),
PL_op_name[PL_op->op_type]);
else
- croak("Bizarre copy of %s", sv_reftype(sstr, 0));
+ Perl_croak(aTHX_ "Bizarre copy of %s", sv_reftype(sstr, 0));
break;
case SVt_PVGV:
/* ahem, death to those who redefine active sort subs */
else if (PL_curstackinfo->si_type == PERLSI_SORT
&& GvCV(dstr) && PL_sortcop == CvSTART(GvCV(dstr)))
- croak("Can't redefine active sort subroutine %s",
+ Perl_croak(aTHX_ "Can't redefine active sort subroutine %s",
GvNAME(dstr));
(void)SvOK_off(dstr);
GvINTRO_off(dstr); /* one-shot flag */
}
}
if (stype == SVt_PVLV)
- SvUPGRADE(dstr, SVt_PVNV);
+ (void)SvUPGRADE(dstr, SVt_PVNV);
else
- SvUPGRADE(dstr, stype);
+ (void)SvUPGRADE(dstr, stype);
}
sflags = SvFLAGS(sstr);
* active sort subs */
if (PL_curstackinfo->si_type == PERLSI_SORT &&
PL_sortcop == CvSTART(cv))
- croak(
+ Perl_croak(aTHX_
"Can't redefine active sort subroutine %s",
GvENAME((GV*)dstr));
if (ckWARN(WARN_REDEFINE) || (const_changed && const_sv)) {
&& HvNAME(GvSTASH(CvGV(cv)))
&& strEQ(HvNAME(GvSTASH(CvGV(cv))),
"autouse")))
- warner(WARN_REDEFINE, const_sv ?
+ Perl_warner(aTHX_ WARN_REDEFINE, const_sv ?
"Constant subroutine %s redefined"
: "Subroutine %s redefined",
GvENAME((GV*)dstr));
}
if (SvPVX(dstr)) {
(void)SvOOK_off(dstr); /* backoff */
- Safefree(SvPVX(dstr));
+ if (SvLEN(dstr))
+ Safefree(SvPVX(dstr));
SvLEN(dstr)=SvCUR(dstr)=0;
}
}
if (sflags & SVp_IOK) {
(void)SvIOK_on(dstr);
SvIVX(dstr) = SvIVX(sstr);
+ if (SvIsUV(sstr))
+ SvIsUV_on(dstr);
}
-#ifdef OVERLOAD
if (SvAMAGIC(sstr)) {
SvAMAGIC_on(dstr);
}
-#endif /* OVERLOAD */
}
else if (sflags & SVp_POK) {
SvFLAGS(dstr) &= ~SVf_OOK;
Safefree(SvPVX(dstr) - SvIVX(dstr));
}
- else
+ else if (SvLEN(dstr))
Safefree(SvPVX(dstr));
}
(void)SvPOK_only(dstr);
if (sflags & SVp_IOK) {
(void)SvIOK_on(dstr);
SvIVX(dstr) = SvIVX(sstr);
+ if (SvIsUV(sstr))
+ SvIsUV_on(dstr);
}
}
else if (sflags & SVp_NOK) {
if (SvIOK(sstr)) {
(void)SvIOK_on(dstr);
SvIVX(dstr) = SvIVX(sstr);
+ /* XXXX Do we want to set IsUV for IV(ROK)? Be extra safe... */
+ if (SvIsUV(sstr))
+ SvIsUV_on(dstr);
}
}
else if (sflags & SVp_IOK) {
(void)SvIOK_only(dstr);
SvIVX(dstr) = SvIVX(sstr);
+ if (SvIsUV(sstr))
+ SvIsUV_on(dstr);
}
else {
if (dtype == SVt_PVGV) {
if (ckWARN(WARN_UNSAFE))
- warner(WARN_UNSAFE, "Undefined value assigned to typeglob");
+ Perl_warner(aTHX_ WARN_UNSAFE, "Undefined value assigned to typeglob");
}
else
(void)SvOK_off(dstr);
}
void
-sv_setsv_mg(SV *dstr, register SV *sstr)
+Perl_sv_setsv_mg(pTHX_ SV *dstr, register SV *sstr)
{
sv_setsv(dstr,sstr);
SvSETMAGIC(dstr);
}
void
-sv_setpvn(register SV *sv, register const char *ptr, register STRLEN len)
+Perl_sv_setpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
{
register char *dptr;
assert(len >= 0); /* STRLEN is probably unsigned, so this may
(void)SvOK_off(sv);
return;
}
- if (SvTYPE(sv) >= SVt_PV) {
- if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
- sv_unglob(sv);
- }
- else
- sv_upgrade(sv, SVt_PV);
+ (void)SvUPGRADE(sv, SVt_PV);
SvGROW(sv, len + 1);
dptr = SvPVX(sv);
}
void
-sv_setpvn_mg(register SV *sv, register const char *ptr, register STRLEN len)
+Perl_sv_setpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
{
sv_setpvn(sv,ptr,len);
SvSETMAGIC(sv);
}
void
-sv_setpv(register SV *sv, register const char *ptr)
+Perl_sv_setpv(pTHX_ register SV *sv, register const char *ptr)
{
register STRLEN len;
return;
}
len = strlen(ptr);
- if (SvTYPE(sv) >= SVt_PV) {
- if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
- sv_unglob(sv);
- }
- else
- sv_upgrade(sv, SVt_PV);
+ (void)SvUPGRADE(sv, SVt_PV);
SvGROW(sv, len + 1);
Move(ptr,SvPVX(sv),len+1,char);
}
void
-sv_setpv_mg(register SV *sv, register const char *ptr)
+Perl_sv_setpv_mg(pTHX_ register SV *sv, register const char *ptr)
{
sv_setpv(sv,ptr);
SvSETMAGIC(sv);
}
void
-sv_usepvn(register SV *sv, register char *ptr, register STRLEN len)
+Perl_sv_usepvn(pTHX_ register SV *sv, register char *ptr, register STRLEN len)
{
SV_CHECK_THINKFIRST(sv);
(void)SvUPGRADE(sv, SVt_PV);
return;
}
(void)SvOOK_off(sv);
- if (SvPVX(sv))
+ if (SvPVX(sv) && SvLEN(sv))
Safefree(SvPVX(sv));
Renew(ptr, len+1, char);
SvPVX(sv) = ptr;
}
void
-sv_usepvn_mg(register SV *sv, register char *ptr, register STRLEN len)
+Perl_sv_usepvn_mg(pTHX_ register SV *sv, register char *ptr, register STRLEN len)
{
sv_usepvn(sv,ptr,len);
SvSETMAGIC(sv);
}
-STATIC void
-sv_check_thinkfirst(register SV *sv)
+void
+Perl_sv_force_normal(pTHX_ register SV *sv)
{
if (SvREADONLY(sv)) {
dTHR;
if (PL_curcop != &PL_compiling)
- croak(PL_no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
}
if (SvROK(sv))
sv_unref(sv);
+ else if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV)
+ sv_unglob(sv);
}
void
-sv_chop(register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */
+Perl_sv_chop(pTHX_ register SV *sv, register char *ptr) /* like set but assuming ptr is in sv */
{
sv_upgrade(sv,SVt_PVIV);
if (!SvOOK(sv)) {
+ if (!SvLEN(sv)) { /* make copy of shared string */
+ char *pvx = SvPVX(sv);
+ STRLEN len = SvCUR(sv);
+ SvGROW(sv, len + 1);
+ Move(pvx,SvPVX(sv),len,char);
+ *SvEND(sv) = '\0';
+ }
SvIVX(sv) = 0;
SvFLAGS(sv) |= SVf_OOK;
}
- SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK);
+ SvFLAGS(sv) &= ~(SVf_IOK|SVf_NOK|SVp_IOK|SVp_NOK|SVf_IVisUV);
delta = ptr - SvPVX(sv);
SvLEN(sv) -= delta;
SvCUR(sv) -= delta;
}
void
-sv_catpvn(register SV *sv, register char *ptr, register STRLEN len)
+Perl_sv_catpvn(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
{
STRLEN tlen;
char *junk;
}
void
-sv_catpvn_mg(register SV *sv, register char *ptr, register STRLEN len)
+Perl_sv_catpvn_mg(pTHX_ register SV *sv, register const char *ptr, register STRLEN len)
{
sv_catpvn(sv,ptr,len);
SvSETMAGIC(sv);
}
void
-sv_catsv(SV *dstr, register SV *sstr)
+Perl_sv_catsv(pTHX_ SV *dstr, register SV *sstr)
{
char *s;
STRLEN len;
}
void
-sv_catsv_mg(SV *dstr, register SV *sstr)
+Perl_sv_catsv_mg(pTHX_ SV *dstr, register SV *sstr)
{
sv_catsv(dstr,sstr);
SvSETMAGIC(dstr);
}
void
-sv_catpv(register SV *sv, register char *ptr)
+Perl_sv_catpv(pTHX_ register SV *sv, register const char *ptr)
{
register STRLEN len;
STRLEN tlen;
}
void
-sv_catpv_mg(register SV *sv, register char *ptr)
+Perl_sv_catpv_mg(pTHX_ register SV *sv, register const char *ptr)
{
sv_catpv(sv,ptr);
SvSETMAGIC(sv);
}
SV *
-newSV(STRLEN len)
+Perl_newSV(pTHX_ STRLEN len)
{
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
if (len) {
sv_upgrade(sv, SVt_PV);
SvGROW(sv, len + 1);
/* name is assumed to contain an SV* if (name && namelen == HEf_SVKEY) */
void
-sv_magic(register SV *sv, SV *obj, int how, char *name, I32 namlen)
+Perl_sv_magic(pTHX_ register SV *sv, SV *obj, int how, const char *name, I32 namlen)
{
MAGIC* mg;
if (SvREADONLY(sv)) {
dTHR;
if (PL_curcop != &PL_compiling && !strchr("gBf", how))
- croak(PL_no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
}
if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
case 0:
mg->mg_virtual = &PL_vtbl_sv;
break;
-#ifdef OVERLOAD
case 'A':
mg->mg_virtual = &PL_vtbl_amagic;
break;
case 'c':
mg->mg_virtual = 0;
break;
-#endif /* OVERLOAD */
case 'B':
mg->mg_virtual = &PL_vtbl_bm;
break;
case '.':
mg->mg_virtual = &PL_vtbl_pos;
break;
+ case '<':
+ mg->mg_virtual = &PL_vtbl_backref;
+ break;
case '~': /* Reserved for use by extensions not perl internals. */
/* Useful for attaching extension internal data to perl vars. */
/* Note that multiple extensions may clash if magical scalars */
SvRMAGICAL_on(sv);
break;
default:
- croak("Don't know how to handle magic of type '%c'", how);
+ Perl_croak(aTHX_ "Don't know how to handle magic of type '%c'", how);
}
mg_magical(sv);
if (SvGMAGICAL(sv))
}
int
-sv_unmagic(SV *sv, int type)
+Perl_sv_unmagic(pTHX_ SV *sv, int type)
{
MAGIC* mg;
MAGIC** mgp;
MGVTBL* vtbl = mg->mg_virtual;
*mgp = mg->mg_moremagic;
if (vtbl && (vtbl->svt_free != NULL))
- (VTBL->svt_free)(sv, mg);
+ CALL_FPTR(vtbl->svt_free)(aTHX_ sv, mg);
if (mg->mg_ptr && mg->mg_type != 'g')
if (mg->mg_len >= 0)
Safefree(mg->mg_ptr);
else
mgp = &mg->mg_moremagic;
}
- if (!SvMAGIC(sv)) {
- SvMAGICAL_off(sv);
- SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ if (!SvMAGIC(sv)) {
+ SvMAGICAL_off(sv);
+ SvFLAGS(sv) |= (SvFLAGS(sv) & (SVp_IOK|SVp_NOK|SVp_POK)) >> PRIVSHIFT;
+ }
+
+ return 0;
+}
+
+SV *
+Perl_sv_rvweaken(pTHX_ SV *sv)
+{
+ SV *tsv;
+ if (!SvOK(sv)) /* let undefs pass */
+ return sv;
+ if (!SvROK(sv))
+ Perl_croak(aTHX_ "Can't weaken a nonreference");
+ else if (SvWEAKREF(sv)) {
+ dTHR;
+ if (ckWARN(WARN_MISC))
+ Perl_warner(aTHX_ WARN_MISC, "Reference is already weak");
+ return sv;
+ }
+ tsv = SvRV(sv);
+ sv_add_backref(tsv, sv);
+ SvWEAKREF_on(sv);
+ SvREFCNT_dec(tsv);
+ return sv;
+}
+
+STATIC void
+S_sv_add_backref(pTHX_ SV *tsv, SV *sv)
+{
+ AV *av;
+ MAGIC *mg;
+ if (SvMAGICAL(tsv) && (mg = mg_find(tsv, '<')))
+ av = (AV*)mg->mg_obj;
+ else {
+ av = newAV();
+ sv_magic(tsv, (SV*)av, '<', NULL, 0);
+ SvREFCNT_dec(av); /* for sv_magic */
}
+ av_push(av,sv);
+}
- return 0;
+STATIC void
+S_sv_del_backref(pTHX_ SV *sv)
+{
+ AV *av;
+ SV **svp;
+ I32 i;
+ SV *tsv = SvRV(sv);
+ MAGIC *mg;
+ if (!SvMAGICAL(tsv) || !(mg = mg_find(tsv, '<')))
+ Perl_croak(aTHX_ "panic: del_backref");
+ av = (AV *)mg->mg_obj;
+ svp = AvARRAY(av);
+ i = AvFILLp(av);
+ while (i >= 0) {
+ if (svp[i] == sv) {
+ svp[i] = &PL_sv_undef; /* XXX */
+ }
+ i--;
+ }
}
void
-sv_insert(SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen)
+Perl_sv_insert(pTHX_ SV *bigstr, STRLEN offset, STRLEN len, char *little, STRLEN littlelen)
{
register char *big;
register char *mid;
if (!bigstr)
- croak("Can't modify non-existent substring");
+ Perl_croak(aTHX_ "Can't modify non-existent substring");
SvPV_force(bigstr, curlen);
if (offset + len > curlen) {
SvGROW(bigstr, offset+len+1);
bigend = big + SvCUR(bigstr);
if (midend > bigend)
- croak("panic: sv_insert");
+ Perl_croak(aTHX_ "panic: sv_insert");
if (mid - big > bigend - midend) { /* faster to shorten from end */
if (littlelen) {
/* make sv point to what nstr did */
void
-sv_replace(register SV *sv, register SV *nsv)
+Perl_sv_replace(pTHX_ register SV *sv, register SV *nsv)
{
+ dTHR;
U32 refcnt = SvREFCNT(sv);
SV_CHECK_THINKFIRST(sv);
- if (SvREFCNT(nsv) != 1)
- warn("Reference miscount in sv_replace()");
+ if (SvREFCNT(nsv) != 1 && ckWARN_d(WARN_INTERNAL))
+ Perl_warner(aTHX_ WARN_INTERNAL, "Reference miscount in sv_replace()");
if (SvMAGICAL(sv)) {
if (SvMAGICAL(nsv))
mg_free(nsv);
}
void
-sv_clear(register SV *sv)
+Perl_sv_clear(pTHX_ register SV *sv)
{
HV* stash;
assert(sv);
PUSHMARK(SP);
PUSHs(&tmpref);
PUTBACK;
- perl_call_sv((SV*)GvCV(destructor),
- G_DISCARD|G_EVAL|G_KEEPERR);
+ call_sv((SV*)GvCV(destructor),
+ G_DISCARD|G_EVAL|G_KEEPERR);
SvREFCNT(sv)--;
POPSTACK;
SPAGAIN;
} while (SvOBJECT(sv) && SvSTASH(sv) != stash);
del_XRV(SvANY(&tmpref));
+
+ if (SvREFCNT(sv)) {
+ if (PL_in_clean_objs)
+ Perl_croak(aTHX_ "DESTROY created new reference to dead object '%s'",
+ HvNAME(stash));
+ /* DESTROY gave object new lease on life */
+ return;
+ }
}
if (SvOBJECT(sv)) {
if (SvTYPE(sv) != SVt_PVIO)
--PL_sv_objcount; /* XXX Might want something more general */
}
- if (SvREFCNT(sv)) {
- if (PL_in_clean_objs)
- croak("DESTROY created new reference to dead object");
- /* DESTROY gave object new lease on life */
- return;
- }
}
if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv))
mg_free(sv);
IoIFP(sv) != PerlIO_stdin() &&
IoIFP(sv) != PerlIO_stdout() &&
IoIFP(sv) != PerlIO_stderr())
- io_close((IO*)sv);
+ {
+ io_close((IO*)sv, FALSE);
+ }
+ if (IoDIRP(sv)) {
+ PerlDir_close(IoDIRP(sv));
+ IoDIRP(sv) = 0;
+ }
Safefree(IoTOP_NAME(sv));
Safefree(IoFMT_NAME(sv));
Safefree(IoBOTTOM_NAME(sv));
/* FALL THROUGH */
case SVt_PV:
case SVt_RV:
- if (SvROK(sv))
- SvREFCNT_dec(SvRV(sv));
+ if (SvROK(sv)) {
+ if (SvWEAKREF(sv))
+ sv_del_backref(sv);
+ else
+ SvREFCNT_dec(SvRV(sv));
+ }
else if (SvPVX(sv) && SvLEN(sv))
Safefree(SvPVX(sv));
break;
}
SV *
-sv_newref(SV *sv)
+Perl_sv_newref(pTHX_ SV *sv)
{
if (sv)
ATOMIC_INC(SvREFCNT(sv));
}
void
-sv_free(SV *sv)
+Perl_sv_free(pTHX_ SV *sv)
{
+ dTHR;
int refcount_is_zero;
if (!sv)
SvREFCNT(sv) = (~(U32)0)/2;
return;
}
- warn("Attempt to free unreferenced scalar");
+ if (ckWARN_d(WARN_INTERNAL))
+ Perl_warner(aTHX_ WARN_INTERNAL, "Attempt to free unreferenced scalar");
return;
}
ATOMIC_DEC_AND_TEST(refcount_is_zero, SvREFCNT(sv));
return;
#ifdef DEBUGGING
if (SvTEMP(sv)) {
- warn("Attempt to free temp prematurely: SV 0x%lx", (unsigned long)sv);
+ if (ckWARN_d(WARN_DEBUGGING))
+ Perl_warner(aTHX_ WARN_DEBUGGING,
+ "Attempt to free temp prematurely: SV 0x%lx", (unsigned long)sv);
return;
}
#endif
}
STRLEN
-sv_len(register SV *sv)
+Perl_sv_len(pTHX_ register SV *sv)
{
char *junk;
STRLEN len;
}
STRLEN
-sv_len_utf8(register SV *sv)
+Perl_sv_len_utf8(pTHX_ register SV *sv)
{
U8 *s;
U8 *send;
}
void
-sv_pos_u2b(register SV *sv, I32* offsetp, I32* lenp)
+Perl_sv_pos_u2b(pTHX_ register SV *sv, I32* offsetp, I32* lenp)
{
U8 *start;
U8 *s;
}
void
-sv_pos_b2u(register SV *sv, I32* offsetp)
+Perl_sv_pos_b2u(pTHX_ register SV *sv, I32* offsetp)
{
U8 *s;
U8 *send;
s = (U8*)SvPV(sv, len);
if (len < *offsetp)
- croak("panic: bad byte offset");
+ Perl_croak(aTHX_ "panic: bad byte offset");
send = s + *offsetp;
len = 0;
while (s < send) {
++len;
}
if (s != send) {
- warn("Malformed UTF-8 character");
+ dTHR;
+ if (ckWARN_d(WARN_UTF8))
+ Perl_warner(aTHX_ WARN_UTF8, "Malformed UTF-8 character");
--len;
}
*offsetp = len;
}
I32
-sv_eq(register SV *str1, register SV *str2)
+Perl_sv_eq(pTHX_ register SV *str1, register SV *str2)
{
char *pv1;
STRLEN cur1;
}
I32
-sv_cmp(register SV *str1, register SV *str2)
+Perl_sv_cmp(pTHX_ register SV *str1, register SV *str2)
{
STRLEN cur1 = 0;
char *pv1 = str1 ? SvPV(str1, cur1) : (char *) NULL;
}
I32
-sv_cmp_locale(register SV *sv1, register SV *sv2)
+Perl_sv_cmp_locale(pTHX_ register SV *sv1, register SV *sv2)
{
#ifdef USE_LOCALE_COLLATE
* according to the locale settings.
*/
char *
-sv_collxfrm(SV *sv, STRLEN *nxp)
+Perl_sv_collxfrm(pTHX_ SV *sv, STRLEN *nxp)
{
MAGIC *mg;
#endif /* USE_LOCALE_COLLATE */
char *
-sv_gets(register SV *sv, register PerlIO *fp, I32 append)
+Perl_sv_gets(pTHX_ register SV *sv, register PerlIO *fp, I32 append)
{
dTHR;
char *rsptr;
SV_CHECK_THINKFIRST(sv);
(void)SvUPGRADE(sv, SVt_PV);
+
SvSCREAM_off(sv);
if (RsSNARF(PL_rs)) {
}
else
{
+#ifndef EPOC
/*The big, slow, and stupid way */
STDCHAR buf[8192];
+#else
+ /* Need to work around EPOC SDK features */
+ /* On WINS: MS VC5 generates calls to _chkstk, */
+ /* if a `large' stack frame is allocated */
+ /* gcc on MARM does not generate calls like these */
+ STDCHAR buf[1024];
+#endif
screamer2:
if (rslen) {
void
-sv_inc(register SV *sv)
+Perl_sv_inc(pTHX_ register SV *sv)
{
register char *d;
int flags;
if (SvREADONLY(sv)) {
dTHR;
if (PL_curcop != &PL_compiling)
- croak(PL_no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
}
if (SvROK(sv)) {
IV i;
-#ifdef OVERLOAD
- if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
-#endif /* OVERLOAD */
+ if (SvAMAGIC(sv) && AMG_CALLun(sv,inc))
+ return;
i = (IV)SvRV(sv);
sv_unref(sv);
sv_setiv(sv, i);
return;
}
if (flags & SVp_IOK) {
- if (SvIVX(sv) == IV_MAX)
- sv_setnv(sv, (double)IV_MAX + 1.0);
- else {
- (void)SvIOK_only(sv);
- ++SvIVX(sv);
+ if (SvIsUV(sv)) {
+ if (SvUVX(sv) == UV_MAX)
+ sv_setnv(sv, (NV)UV_MAX + 1.0);
+ else
+ (void)SvIOK_only_UV(sv);
+ ++SvUVX(sv);
+ } else {
+ if (SvIVX(sv) == IV_MAX)
+ sv_setnv(sv, (NV)IV_MAX + 1.0);
+ else {
+ (void)SvIOK_only(sv);
+ ++SvIVX(sv);
+ }
}
return;
}
while (isALPHA(*d)) d++;
while (isDIGIT(*d)) d++;
if (*d) {
- SET_NUMERIC_STANDARD();
- sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
+ sv_setnv(sv,Atof(SvPVX(sv)) + 1.0); /* punt */
return;
}
d--;
}
void
-sv_dec(register SV *sv)
+Perl_sv_dec(pTHX_ register SV *sv)
{
int flags;
if (SvREADONLY(sv)) {
dTHR;
if (PL_curcop != &PL_compiling)
- croak(PL_no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
}
if (SvROK(sv)) {
IV i;
-#ifdef OVERLOAD
- if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
-#endif /* OVERLOAD */
+ if (SvAMAGIC(sv) && AMG_CALLun(sv,dec))
+ return;
i = (IV)SvRV(sv);
sv_unref(sv);
sv_setiv(sv, i);
return;
}
if (flags & SVp_IOK) {
- if (SvIVX(sv) == IV_MIN)
- sv_setnv(sv, (double)IV_MIN - 1.0);
- else {
- (void)SvIOK_only(sv);
- --SvIVX(sv);
+ if (SvIsUV(sv)) {
+ if (SvUVX(sv) == 0) {
+ (void)SvIOK_only(sv);
+ SvIVX(sv) = -1;
+ }
+ else {
+ (void)SvIOK_only_UV(sv);
+ --SvUVX(sv);
+ }
+ } else {
+ if (SvIVX(sv) == IV_MIN)
+ sv_setnv(sv, (NV)IV_MIN - 1.0);
+ else {
+ (void)SvIOK_only(sv);
+ --SvIVX(sv);
+ }
}
return;
}
(void)SvNOK_only(sv);
return;
}
- SET_NUMERIC_STANDARD();
- sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
+ sv_setnv(sv,Atof(SvPVX(sv)) - 1.0); /* punt */
}
/* Make a string that will exist for the duration of the expression
* hopefully we won't free it until it has been assigned to a
* permanent location. */
-STATIC void
-sv_mortalgrow(void)
-{
- dTHR;
- PL_tmps_max += (PL_tmps_max < 512) ? 128 : 512;
- Renew(PL_tmps_stack, PL_tmps_max, SV*);
-}
-
SV *
-sv_mortalcopy(SV *oldstr)
+Perl_sv_mortalcopy(pTHX_ SV *oldstr)
{
dTHR;
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
sv_setsv(sv,oldstr);
- if (++PL_tmps_ix >= PL_tmps_max)
- sv_mortalgrow();
- PL_tmps_stack[PL_tmps_ix] = sv;
+ EXTEND_MORTAL(1);
+ PL_tmps_stack[++PL_tmps_ix] = sv;
SvTEMP_on(sv);
return sv;
}
SV *
-sv_newmortal(void)
+Perl_sv_newmortal(pTHX)
{
dTHR;
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
SvFLAGS(sv) = SVs_TEMP;
- if (++PL_tmps_ix >= PL_tmps_max)
- sv_mortalgrow();
- PL_tmps_stack[PL_tmps_ix] = sv;
+ EXTEND_MORTAL(1);
+ PL_tmps_stack[++PL_tmps_ix] = sv;
return sv;
}
/* same thing without the copying */
SV *
-sv_2mortal(register SV *sv)
+Perl_sv_2mortal(pTHX_ register SV *sv)
{
dTHR;
if (!sv)
return sv;
if (SvREADONLY(sv) && SvIMMORTAL(sv))
return sv;
- if (++PL_tmps_ix >= PL_tmps_max)
- sv_mortalgrow();
- PL_tmps_stack[PL_tmps_ix] = sv;
+ EXTEND_MORTAL(1);
+ PL_tmps_stack[++PL_tmps_ix] = sv;
SvTEMP_on(sv);
return sv;
}
SV *
-newSVpv(char *s, STRLEN len)
+Perl_newSVpv(pTHX_ const char *s, STRLEN len)
{
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
if (!len)
len = strlen(s);
sv_setpvn(sv,s,len);
}
SV *
-newSVpvn(char *s, STRLEN len)
+Perl_newSVpvn(pTHX_ const char *s, STRLEN len)
{
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
sv_setpvn(sv,s,len);
return sv;
}
+#if defined(PERL_IMPLICIT_CONTEXT)
SV *
-newSVpvf(const char* pat, ...)
+Perl_newSVpvf_nocontext(const char* pat, ...)
{
+ dTHX;
register SV *sv;
va_list args;
+ va_start(args, pat);
+ sv = vnewSVpvf(pat, &args);
+ va_end(args);
+ return sv;
+}
+#endif
- new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
+SV *
+Perl_newSVpvf(pTHX_ const char* pat, ...)
+{
+ register SV *sv;
+ va_list args;
va_start(args, pat);
- sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ sv = vnewSVpvf(pat, &args);
va_end(args);
return sv;
}
+SV *
+Perl_vnewSVpvf(pTHX_ const char* pat, va_list* args)
+{
+ register SV *sv;
+ new_SV(sv);
+ sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
+ return sv;
+}
SV *
-newSVnv(double n)
+Perl_newSVnv(pTHX_ NV n)
{
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
sv_setnv(sv,n);
return sv;
}
SV *
-newSViv(IV i)
+Perl_newSViv(pTHX_ IV i)
{
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
sv_setiv(sv,i);
return sv;
}
SV *
-newRV_noinc(SV *tmpRef)
+Perl_newRV_noinc(pTHX_ SV *tmpRef)
{
dTHR;
register SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
sv_upgrade(sv, SVt_RV);
SvTEMP_off(tmpRef);
SvRV(sv) = tmpRef;
}
SV *
-newRV(SV *tmpRef)
+Perl_newRV(pTHX_ SV *tmpRef)
{
return newRV_noinc(SvREFCNT_inc(tmpRef));
}
/* make an exact duplicate of old */
SV *
-newSVsv(register SV *old)
+Perl_newSVsv(pTHX_ register SV *old)
{
+ dTHR;
register SV *sv;
if (!old)
return Nullsv;
if (SvTYPE(old) == SVTYPEMASK) {
- warn("semi-panic: attempt to dup freed string");
+ if (ckWARN_d(WARN_INTERNAL))
+ Perl_warner(aTHX_ WARN_INTERNAL, "semi-panic: attempt to dup freed string");
return Nullsv;
}
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 1;
- SvFLAGS(sv) = 0;
if (SvTEMP(old)) {
SvTEMP_off(old);
sv_setsv(sv,old);
}
void
-sv_reset(register char *s, HV *stash)
+Perl_sv_reset(pTHX_ register char *s, HV *stash)
{
register HE *entry;
register GV *gv;
register I32 i;
register PMOP *pm;
register I32 max;
- char todo[256];
+ char todo[PERL_UCHAR_MAX+1];
if (!stash)
return;
Zero(todo, 256, char);
while (*s) {
- i = *s;
+ i = (unsigned char)*s;
if (s[1] == '-') {
s += 2;
}
- max = *s++;
+ max = (unsigned char)*s++;
for ( ; i <= max; i++) {
todo[i] = 1;
}
}
IO*
-sv_2io(SV *sv)
+Perl_sv_2io(pTHX_ SV *sv)
{
IO* io;
GV* gv;
+ STRLEN n_a;
switch (SvTYPE(sv)) {
case SVt_PVIO:
gv = (GV*)sv;
io = GvIO(gv);
if (!io)
- croak("Bad filehandle: %s", GvNAME(gv));
+ Perl_croak(aTHX_ "Bad filehandle: %s", GvNAME(gv));
break;
default:
if (!SvOK(sv))
- croak(PL_no_usym, "filehandle");
+ Perl_croak(aTHX_ PL_no_usym, "filehandle");
if (SvROK(sv))
return sv_2io(SvRV(sv));
- gv = gv_fetchpv(SvPV(sv,PL_na), FALSE, SVt_PVIO);
+ gv = gv_fetchpv(SvPV(sv,n_a), FALSE, SVt_PVIO);
if (gv)
io = GvIO(gv);
else
io = 0;
if (!io)
- croak("Bad filehandle: %s", SvPV(sv,PL_na));
+ Perl_croak(aTHX_ "Bad filehandle: %s", SvPV(sv,n_a));
break;
}
return io;
}
CV *
-sv_2cv(SV *sv, HV **st, GV **gvp, I32 lref)
+Perl_sv_2cv(pTHX_ SV *sv, HV **st, GV **gvp, I32 lref)
{
GV *gv;
CV *cv;
+ STRLEN n_a;
if (!sv)
return *gvp = Nullgv, Nullcv;
else if(isGV(sv))
gv = (GV*)sv;
else
- croak("Not a subroutine reference");
+ Perl_croak(aTHX_ "Not a subroutine reference");
}
else if (isGV(sv))
gv = (GV*)sv;
else
- gv = gv_fetchpv(SvPV(sv, PL_na), lref, SVt_PVCV);
+ gv = gv_fetchpv(SvPV(sv, n_a), lref, SVt_PVCV);
*gvp = gv;
if (!gv)
return Nullcv;
ENTER;
tmpsv = NEWSV(704,0);
gv_efullname3(tmpsv, gv, Nullch);
+ /* XXX this is probably not what they think they're getting.
+ * It has the same effect as "sub name;", i.e. just a forward
+ * declaration! */
newSUB(start_subparse(FALSE, 0),
newSVOP(OP_CONST, 0, tmpsv),
Nullop,
Nullop);
LEAVE;
if (!GvCVu(gv))
- croak("Unable to create sub named \"%s\"", SvPV(sv,PL_na));
+ Perl_croak(aTHX_ "Unable to create sub named \"%s\"", SvPV(sv,n_a));
}
return GvCVu(gv);
}
}
I32
-sv_true(register SV *sv)
+Perl_sv_true(pTHX_ register SV *sv)
{
dTHR;
if (!sv)
}
IV
-sv_iv(register SV *sv)
+Perl_sv_iv(pTHX_ register SV *sv)
{
- if (SvIOK(sv))
+ if (SvIOK(sv)) {
+ if (SvIsUV(sv))
+ return (IV)SvUVX(sv);
return SvIVX(sv);
+ }
return sv_2iv(sv);
}
UV
-sv_uv(register SV *sv)
+Perl_sv_uv(pTHX_ register SV *sv)
{
- if (SvIOK(sv))
- return SvUVX(sv);
+ if (SvIOK(sv)) {
+ if (SvIsUV(sv))
+ return SvUVX(sv);
+ return (UV)SvIVX(sv);
+ }
return sv_2uv(sv);
}
-double
-sv_nv(register SV *sv)
+NV
+Perl_sv_nv(pTHX_ register SV *sv)
{
if (SvNOK(sv))
return SvNVX(sv);
}
char *
-sv_pvn(SV *sv, STRLEN *lp)
+Perl_sv_pv(pTHX_ SV *sv)
+{
+ STRLEN n_a;
+
+ if (SvPOK(sv))
+ return SvPVX(sv);
+
+ return sv_2pv(sv, &n_a);
+}
+
+char *
+Perl_sv_pvn(pTHX_ SV *sv, STRLEN *lp)
{
if (SvPOK(sv)) {
*lp = SvCUR(sv);
}
char *
-sv_pvn_force(SV *sv, STRLEN *lp)
+Perl_sv_pvn_force(pTHX_ SV *sv, STRLEN *lp)
{
char *s;
- if (SvREADONLY(sv)) {
- dTHR;
- if (PL_curcop != &PL_compiling)
- croak(PL_no_modify);
- }
+ if (SvTHINKFIRST(sv) && !SvROK(sv))
+ sv_force_normal(sv);
if (SvPOK(sv)) {
*lp = SvCUR(sv);
}
else {
if (SvTYPE(sv) > SVt_PVLV && SvTYPE(sv) != SVt_PVFM) {
- if (SvFAKE(sv) && SvTYPE(sv) == SVt_PVGV) {
- sv_unglob(sv);
- s = SvPVX(sv);
- *lp = SvCUR(sv);
- }
- else {
- dTHR;
- croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
- PL_op_name[PL_op->op_type]);
- }
+ dTHR;
+ Perl_croak(aTHX_ "Can't coerce %s to string in %s", sv_reftype(sv,0),
+ PL_op_name[PL_op->op_type]);
}
else
s = sv_2pv(sv, lp);
}
char *
-sv_reftype(SV *sv, int ob)
+Perl_sv_reftype(pTHX_ SV *sv, int ob)
{
if (ob && SvOBJECT(sv))
return HvNAME(SvSTASH(sv));
}
int
-sv_isobject(SV *sv)
+Perl_sv_isobject(pTHX_ SV *sv)
{
if (!sv)
return 0;
}
int
-sv_isa(SV *sv, char *name)
+Perl_sv_isa(pTHX_ SV *sv, const char *name)
{
if (!sv)
return 0;
}
SV*
-newSVrv(SV *rv, char *classname)
+Perl_newSVrv(pTHX_ SV *rv, const char *classname)
{
dTHR;
SV *sv;
new_SV(sv);
- SvANY(sv) = 0;
- SvREFCNT(sv) = 0;
- SvFLAGS(sv) = 0;
SV_CHECK_THINKFIRST(rv);
-#ifdef OVERLOAD
SvAMAGIC_off(rv);
-#endif /* OVERLOAD */
if (SvTYPE(rv) < SVt_RV)
sv_upgrade(rv, SVt_RV);
(void)SvOK_off(rv);
- SvRV(rv) = SvREFCNT_inc(sv);
+ SvRV(rv) = sv;
SvROK_on(rv);
if (classname) {
}
SV*
-sv_setref_pv(SV *rv, char *classname, void *pv)
+Perl_sv_setref_pv(pTHX_ SV *rv, const char *classname, void *pv)
{
if (!pv) {
sv_setsv(rv, &PL_sv_undef);
}
SV*
-sv_setref_iv(SV *rv, char *classname, IV iv)
+Perl_sv_setref_iv(pTHX_ SV *rv, const char *classname, IV iv)
{
sv_setiv(newSVrv(rv,classname), iv);
return rv;
}
SV*
-sv_setref_nv(SV *rv, char *classname, double nv)
+Perl_sv_setref_nv(pTHX_ SV *rv, const char *classname, NV nv)
{
sv_setnv(newSVrv(rv,classname), nv);
return rv;
}
SV*
-sv_setref_pvn(SV *rv, char *classname, char *pv, I32 n)
+Perl_sv_setref_pvn(pTHX_ SV *rv, const char *classname, char *pv, STRLEN n)
{
sv_setpvn(newSVrv(rv,classname), pv, n);
return rv;
}
SV*
-sv_bless(SV *sv, HV *stash)
+Perl_sv_bless(pTHX_ SV *sv, HV *stash)
{
dTHR;
SV *tmpRef;
if (!SvROK(sv))
- croak("Can't bless non-reference value");
+ Perl_croak(aTHX_ "Can't bless non-reference value");
tmpRef = SvRV(sv);
if (SvFLAGS(tmpRef) & (SVs_OBJECT|SVf_READONLY)) {
if (SvREADONLY(tmpRef))
- croak(PL_no_modify);
+ Perl_croak(aTHX_ PL_no_modify);
if (SvOBJECT(tmpRef)) {
if (SvTYPE(tmpRef) != SVt_PVIO)
--PL_sv_objcount;
(void)SvUPGRADE(tmpRef, SVt_PVMG);
SvSTASH(tmpRef) = (HV*)SvREFCNT_inc(stash);
-#ifdef OVERLOAD
if (Gv_AMG(stash))
SvAMAGIC_on(sv);
else
SvAMAGIC_off(sv);
-#endif /* OVERLOAD */
return sv;
}
STATIC void
-sv_unglob(SV *sv)
+S_sv_unglob(pTHX_ SV *sv)
{
assert(SvTYPE(sv) == SVt_PVGV);
SvFAKE_off(sv);
}
void
-sv_unref(SV *sv)
+Perl_sv_unref(pTHX_ SV *sv)
{
SV* rv = SvRV(sv);
-
+
+ if (SvWEAKREF(sv)) {
+ sv_del_backref(sv);
+ SvWEAKREF_off(sv);
+ SvRV(sv) = 0;
+ return;
+ }
SvRV(sv) = 0;
SvROK_off(sv);
if (SvREFCNT(rv) != 1 || SvREADONLY(rv))
}
void
-sv_taint(SV *sv)
+Perl_sv_taint(pTHX_ SV *sv)
{
sv_magic((sv), Nullsv, 't', Nullch, 0);
}
void
-sv_untaint(SV *sv)
+Perl_sv_untaint(pTHX_ SV *sv)
{
if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
MAGIC *mg = mg_find(sv, 't');
}
bool
-sv_tainted(SV *sv)
+Perl_sv_tainted(pTHX_ SV *sv)
{
if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
MAGIC *mg = mg_find(sv, 't');
}
void
-sv_setpviv(SV *sv, IV iv)
+Perl_sv_setpviv(pTHX_ SV *sv, IV iv)
{
- STRLEN len;
- char buf[TYPE_DIGITS(UV)];
- char *ptr = buf + sizeof(buf);
- int sign;
- UV uv;
- char *p;
+ char buf[TYPE_CHARS(UV)];
+ char *ebuf;
+ char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf);
- sv_setpvn(sv, "", 0);
- if (iv >= 0) {
- uv = iv;
- sign = 0;
- } else {
- uv = -iv;
- sign = 1;
- }
- do {
- *--ptr = '0' + (uv % 10);
- } while (uv /= 10);
- len = (buf + sizeof(buf)) - ptr;
- /* taking advantage of SvCUR(sv) == 0 */
- SvGROW(sv, sign + len + 1);
- p = SvPVX(sv);
- if (sign)
- *p++ = '-';
- memcpy(p, ptr, len);
- p += len;
- *p = '\0';
- SvCUR(sv) = p - SvPVX(sv);
+ sv_setpvn(sv, ptr, ebuf - ptr);
}
void
-sv_setpviv_mg(SV *sv, IV iv)
+Perl_sv_setpviv_mg(pTHX_ SV *sv, IV iv)
{
- sv_setpviv(sv,iv);
+ char buf[TYPE_CHARS(UV)];
+ char *ebuf;
+ char *ptr = uiv_2buf(buf, iv, 0, 0, &ebuf);
+
+ sv_setpvn(sv, ptr, ebuf - ptr);
SvSETMAGIC(sv);
}
+#if defined(PERL_IMPLICIT_CONTEXT)
+void
+Perl_sv_setpvf_nocontext(SV *sv, const char* pat, ...)
+{
+ dTHX;
+ va_list args;
+ va_start(args, pat);
+ sv_vsetpvf(sv, pat, &args);
+ va_end(args);
+}
+
+
+void
+Perl_sv_setpvf_mg_nocontext(SV *sv, const char* pat, ...)
+{
+ dTHX;
+ va_list args;
+ va_start(args, pat);
+ sv_vsetpvf_mg(sv, pat, &args);
+ va_end(args);
+}
+#endif
+
void
-sv_setpvf(SV *sv, const char* pat, ...)
+Perl_sv_setpvf(pTHX_ SV *sv, const char* pat, ...)
{
va_list args;
va_start(args, pat);
- sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ sv_vsetpvf(sv, pat, &args);
va_end(args);
}
+void
+Perl_sv_vsetpvf(pTHX_ SV *sv, const char* pat, va_list* args)
+{
+ sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
+}
void
-sv_setpvf_mg(SV *sv, const char* pat, ...)
+Perl_sv_setpvf_mg(pTHX_ SV *sv, const char* pat, ...)
{
va_list args;
va_start(args, pat);
- sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ sv_vsetpvf_mg(sv, pat, &args);
va_end(args);
+}
+
+void
+Perl_sv_vsetpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args)
+{
+ sv_vsetpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
SvSETMAGIC(sv);
}
+#if defined(PERL_IMPLICIT_CONTEXT)
+void
+Perl_sv_catpvf_nocontext(SV *sv, const char* pat, ...)
+{
+ dTHX;
+ va_list args;
+ va_start(args, pat);
+ sv_vcatpvf(sv, pat, &args);
+ va_end(args);
+}
+
+void
+Perl_sv_catpvf_mg_nocontext(SV *sv, const char* pat, ...)
+{
+ dTHX;
+ va_list args;
+ va_start(args, pat);
+ sv_vcatpvf_mg(sv, pat, &args);
+ va_end(args);
+}
+#endif
+
void
-sv_catpvf(SV *sv, const char* pat, ...)
+Perl_sv_catpvf(pTHX_ SV *sv, const char* pat, ...)
{
va_list args;
va_start(args, pat);
- sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ sv_vcatpvf(sv, pat, &args);
va_end(args);
}
void
-sv_catpvf_mg(SV *sv, const char* pat, ...)
+Perl_sv_vcatpvf(pTHX_ SV *sv, const char* pat, va_list* args)
+{
+ sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
+}
+
+void
+Perl_sv_catpvf_mg(pTHX_ SV *sv, const char* pat, ...)
{
va_list args;
va_start(args, pat);
- sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ sv_vcatpvf_mg(sv, pat, &args);
va_end(args);
+}
+
+void
+Perl_sv_vcatpvf_mg(pTHX_ SV *sv, const char* pat, va_list* args)
+{
+ sv_vcatpvfn(sv, pat, strlen(pat), args, Null(SV**), 0, Null(bool*));
SvSETMAGIC(sv);
}
void
-sv_vsetpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale)
+Perl_sv_vsetpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale)
{
sv_setpvn(sv, "", 0);
sv_vcatpvfn(sv, pat, patlen, args, svargs, svmax, used_locale);
}
void
-sv_vcatpvfn(SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale)
+Perl_sv_vcatpvfn(pTHX_ SV *sv, const char *pat, STRLEN patlen, va_list *args, SV **svargs, I32 svmax, bool *used_locale)
{
dTHR;
char *p;
char *eptr = Nullch;
STRLEN elen = 0;
- char ebuf[TYPE_DIGITS(int) * 2 + 16]; /* large enough for "%#.#f" */
-
- static char *efloatbuf = Nullch;
- static STRLEN efloatsize = 0;
-
+ /* Times 4: a decimal digit takes more than 3 binary digits.
+ * NV_DIG: mantissa takes than many decimal digits.
+ * Plus 32: Playing safe. */
+ char ebuf[IV_DIG * 4 + NV_DIG + 32];
+ /* large enough for "%#.#f" --chip */
+ /* what about long double NVs? --jhi */
char c;
int i;
unsigned base;
IV iv;
UV uv;
- double nv;
+ NV nv;
STRLEN have;
STRLEN need;
STRLEN gap;
switch (*q) {
case 'l':
-#if 0 /* when quads have better support within Perl */
- if (*(q + 1) == 'l') {
+#ifdef HAS_QUAD
+ if (*(q + 1) == 'l') { /* lld */
intsize = 'q';
q += 2;
break;
- }
+ }
+ case 'L': /* Ld */
+ case 'q': /* qd */
+ intsize = 'q';
+ q++;
+ break;
#endif
- /* FALL THROUGH */
case 'h':
+ /* FALL THROUGH */
case 'V':
intsize = *q++;
break;
goto integer;
case 'D':
+#ifdef IV_IS_QUAD
+ intsize = 'q';
+#else
intsize = 'l';
+#endif
/* FALL THROUGH */
case 'd':
case 'i':
default: iv = va_arg(*args, int); break;
case 'l': iv = va_arg(*args, long); break;
case 'V': iv = va_arg(*args, IV); break;
+#ifdef HAS_QUAD
+ case 'q': iv = va_arg(*args, Quad_t); break;
+#endif
}
}
else {
default: iv = (int)iv; break;
case 'l': iv = (long)iv; break;
case 'V': break;
+#ifdef HAS_QUAD
+ case 'q': iv = (Quad_t)iv; break;
+#endif
}
}
if (iv >= 0) {
goto integer;
case 'U':
+#ifdef IV_IS_QUAD
+ intsize = 'q';
+#else
intsize = 'l';
+#endif
/* FALL THROUGH */
case 'u':
base = 10;
goto uns_integer;
+ case 'b':
+ base = 2;
+ goto uns_integer;
+
case 'O':
+#ifdef IV_IS_QUAD
+ intsize = 'q';
+#else
intsize = 'l';
+#endif
/* FALL THROUGH */
case 'o':
base = 8;
default: uv = va_arg(*args, unsigned); break;
case 'l': uv = va_arg(*args, unsigned long); break;
case 'V': uv = va_arg(*args, UV); break;
+#ifdef HAS_QUAD
+ case 'q': uv = va_arg(*args, Quad_t); break;
+#endif
}
}
else {
default: uv = (unsigned)uv; break;
case 'l': uv = (unsigned long)uv; break;
case 'V': break;
+#ifdef HAS_QUAD
+ case 'q': uv = (Quad_t)uv; break;
+#endif
}
}
if (alt && *eptr != '0')
*--eptr = '0';
break;
+ case 2:
+ do {
+ dig = uv & 1;
+ *--eptr = '0' + dig;
+ } while (uv >>= 1);
+ if (alt && *eptr != '0')
+ *--eptr = '0';
+ break;
default: /* it had better be ten or less */
do {
dig = uv % base;
/* This is evil, but floating point is even more evil */
if (args)
- nv = va_arg(*args, double);
+ nv = va_arg(*args, NV);
else
nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0;
i = PERL_INT_MIN;
(void)frexp(nv, &i);
if (i == PERL_INT_MIN)
- die("panic: frexp");
+ Perl_die(aTHX_ "panic: frexp");
if (i > 0)
need = BIT_DIGITS(i);
}
need = width;
need += 20; /* fudge factor */
- if (efloatsize < need) {
- Safefree(efloatbuf);
- efloatsize = need + 20; /* more fudge */
- New(906, efloatbuf, efloatsize, char);
+ if (PL_efloatsize < need) {
+ Safefree(PL_efloatbuf);
+ PL_efloatsize = need + 20; /* more fudge */
+ New(906, PL_efloatbuf, PL_efloatsize, char);
}
eptr = ebuf + sizeof ebuf;
*--eptr = '\0';
*--eptr = c;
+#ifdef USE_LONG_DOUBLE
+ {
+ char* p = PERL_PRIfldbl + sizeof(PERL_PRIfldbl) - 3;
+ while (p >= PERL_PRIfldbl) { *--eptr = *p--; }
+ }
+#endif
if (has_precis) {
base = precis;
do { *--eptr = '0' + (base % 10); } while (base /= 10);
*--eptr = '#';
*--eptr = '%';
- (void)sprintf(efloatbuf, eptr, nv);
+ {
+ RESTORE_NUMERIC_STANDARD();
+ (void)sprintf(PL_efloatbuf, eptr, nv);
+ RESTORE_NUMERIC_LOCAL();
+ }
- eptr = efloatbuf;
- elen = strlen(efloatbuf);
+ eptr = PL_efloatbuf;
+ elen = strlen(PL_efloatbuf);
#ifdef LC_NUMERIC
/*
default: *(va_arg(*args, int*)) = i; break;
case 'l': *(va_arg(*args, long*)) = i; break;
case 'V': *(va_arg(*args, IV*)) = i; break;
+#ifdef HAS_QUAD
+ case 'q': *(va_arg(*args, Quad_t*)) = i; break;
+#endif
}
}
else if (svix < svmax)
if (!args && ckWARN(WARN_PRINTF) &&
(PL_op->op_type == OP_PRTF || PL_op->op_type == OP_SPRINTF)) {
SV *msg = sv_newmortal();
- sv_setpvf(msg, "Invalid conversion in %s: ",
+ Perl_sv_setpvf(aTHX_ msg, "Invalid conversion in %s: ",
(PL_op->op_type == OP_PRTF) ? "printf" : "sprintf");
- if (c)
- sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"",
- c & 0xFF);
- else
+ if (c) {
+#ifdef UV_IS_QUAD
+ if (isPRINT(c))
+ Perl_sv_catpvf(aTHX_ msg,
+ "\"%%%c\"", c & 0xFF);
+ else
+ Perl_sv_catpvf(aTHX_ msg,
+ "\"%%\\%03" PERL_PRIo64 "\"",
+ (UV)c & 0xFF);
+#else
+ Perl_sv_catpvf(aTHX_ msg, isPRINT(c) ?
+ "\"%%%c\"" : "\"%%\\%03o\"",
+ c & 0xFF);
+#endif
+ } else
sv_catpv(msg, "end of string");
- warner(WARN_PRINTF, "%_", msg); /* yes, this is reentrant */
+ Perl_warner(aTHX_ WARN_PRINTF, "%_", msg); /* yes, this is reentrant */
}
/* output mangled stuff ... */
SvCUR(sv) = p - SvPVX(sv);
}
}
+
+
+#ifdef PERL_OBJECT
+#define NO_XSLOCKS
+#include "XSUB.h"
+#endif
+
+static void
+do_report_used(pTHXo_ SV *sv)
+{
+ if (SvTYPE(sv) != SVTYPEMASK) {
+ /* XXX Perhaps this ought to go to Perl_debug_log, if DEBUGGING. */
+ PerlIO_printf(PerlIO_stderr(), "****\n");
+ sv_dump(sv);
+ }
+}
+
+static void
+do_clean_objs(pTHXo_ SV *sv)
+{
+ SV* rv;
+
+ if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
+ DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning object ref:\n "), sv_dump(sv));)
+ SvROK_off(sv);
+ SvRV(sv) = 0;
+ SvREFCNT_dec(rv);
+ }
+
+ /* XXX Might want to check arrays, etc. */
+}
+
+#ifndef DISABLE_DESTRUCTOR_KLUDGE
+static void
+do_clean_named_objs(pTHXo_ SV *sv)
+{
+ if (SvTYPE(sv) == SVt_PVGV) {
+ if ( SvOBJECT(GvSV(sv)) ||
+ GvAV(sv) && SvOBJECT(GvAV(sv)) ||
+ GvHV(sv) && SvOBJECT(GvHV(sv)) ||
+ GvIO(sv) && SvOBJECT(GvIO(sv)) ||
+ GvCV(sv) && SvOBJECT(GvCV(sv)) )
+ {
+ DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning named glob object:\n "), sv_dump(sv));)
+ SvREFCNT_dec(sv);
+ }
+ }
+}
+#endif
+
+static void
+do_clean_all(pTHXo_ SV *sv)
+{
+ DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops: SV at 0x%lx\n", sv) );)
+ SvFLAGS(sv) |= SVf_BREAK;
+ SvREFCNT_dec(sv);
+}
+
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