/* sv.c
*
- * Copyright (c) 1991-1994, Larry Wall
+ * Copyright (c) 1991-1997, 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.
# define FAST_SV_GETS
#endif
+static IV asIV _((SV* sv));
+static UV asUV _((SV* sv));
static SV *more_sv _((void));
static XPVIV *more_xiv _((void));
static XPVNV *more_xnv _((void));
static XPV *more_xpv _((void));
static XRV *more_xrv _((void));
-static SV *new_sv _((void));
static XPVIV *new_xiv _((void));
static XPVNV *new_xnv _((void));
static XPV *new_xpv _((void));
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));
+
+typedef void (*SVFUNC) _((SV*));
#ifdef PURIFY
-#define new_SV() sv = (SV*)safemalloc(sizeof(SV))
-#define del_SV(p) free((char*)p)
+#define new_SV(p) \
+ do { \
+ (p) = (SV*)safemalloc(sizeof(SV)); \
+ reg_add(p); \
+ } while (0)
+
+#define del_SV(p) \
+ do { \
+ reg_remove(p); \
+ free((char*)(p)); \
+ } while (0)
+
+static SV **registry;
+static I32 regsize;
+
+#define REGHASH(sv,size) ((((U32)(sv)) >> 2) % (size))
+
+#define REG_REPLACE(sv,a,b) \
+ do { \
+ void* p = sv->sv_any; \
+ I32 h = REGHASH(sv, regsize); \
+ I32 i = h; \
+ while (registry[i] != (a)) { \
+ if (++i >= regsize) \
+ i = 0; \
+ if (i == h) \
+ die("SV registry bug"); \
+ } \
+ registry[i] = (b); \
+ } while (0)
+
+#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;
+{
+ if (sv_count >= (regsize >> 1))
+ {
+ SV **oldreg = registry;
+ I32 oldsize = regsize;
+
+ regsize = regsize ? ((regsize << 2) + 1) : 2037;
+ registry = (SV**)safemalloc(regsize * sizeof(SV*));
+ memzero(registry, regsize * sizeof(SV*));
+
+ if (oldreg) {
+ I32 i;
+
+ for (i = 0; i < oldsize; ++i) {
+ SV* oldsv = oldreg[i];
+ if (oldsv)
+ REG_ADD(oldsv);
+ }
+ Safefree(oldreg);
+ }
+ }
+
+ REG_ADD(sv);
+ ++sv_count;
+}
+
+static void
+reg_remove(sv)
+SV* sv;
+{
+ REG_REMOVE(sv);
+ --sv_count;
+}
+
+static void
+visit(f)
+SVFUNC f;
+{
+ I32 i;
+
+ for (i = 0; i < regsize; ++i) {
+ SV* sv = registry[i];
+ if (sv)
+ (*f)(sv);
+ }
+}
void
sv_add_arena(ptr, size, flags)
free(ptr);
}
-#else
+#else /* ! PURIFY */
+
+/*
+ * "A time to plant, and a time to uproot what was planted..."
+ */
+
+#define plant_SV(p) \
+ do { \
+ SvANY(p) = (void *)sv_root; \
+ SvFLAGS(p) = SVTYPEMASK; \
+ sv_root = (p); \
+ --sv_count; \
+ } while (0)
-#define new_SV() \
- if (sv_root) { \
- sv = sv_root; \
- sv_root = (SV*)SvANY(sv); \
+#define uproot_SV(p) \
+ do { \
+ MUTEX_LOCK(&sv_mutex); \
+ (p) = sv_root; \
+ sv_root = (SV*)SvANY(p); \
++sv_count; \
- } \
- else \
- sv = more_sv();
+ MUTEX_UNLOCK(&sv_mutex); \
+ } while (0)
-static SV*
-new_sv()
-{
- SV* sv;
- if (sv_root) {
- sv = sv_root;
- sv_root = (SV*)SvANY(sv);
- ++sv_count;
- return sv;
- }
- return more_sv();
-}
+#define new_SV(p) \
+ if (sv_root) \
+ uproot_SV(p); \
+ else \
+ (p) = more_sv()
#ifdef DEBUGGING
+
#define del_SV(p) \
if (debug & 32768) \
del_sv(p); \
- else { \
- SvANY(p) = (void *)sv_root; \
- SvFLAGS(p) = SVTYPEMASK; \
- sv_root = p; \
- --sv_count; \
- }
+ else \
+ plant_SV(p)
static void
del_sv(p)
return;
}
}
- SvANY(p) = (void *) sv_root;
- sv_root = p;
- --sv_count;
+ plant_SV(p);
}
-#else
-#define del_SV(p) \
- SvANY(p) = (void *)sv_root; \
- sv_root = p; \
- --sv_count;
-#endif
+#else /* ! DEBUGGING */
+
+#define del_SV(p) plant_SV(p)
+
+#endif /* DEBUGGING */
void
sv_add_arena(ptr, size, flags)
static SV*
more_sv()
{
+ register SV* sv;
+
if (nice_chunk) {
sv_add_arena(nice_chunk, nice_chunk_size, 0);
nice_chunk = Nullch;
New(704,chunk,1008,char); /* Safefree() in sv_free_arenas() */
sv_add_arena(chunk, 1008, 0);
}
- return new_sv();
+ uproot_SV(sv);
+ return sv;
}
-#endif
-void
-sv_report_used()
+static void
+visit(f)
+SVFUNC f;
{
SV* sva;
SV* sv;
register SV* svend;
- for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
- sv = sva + 1;
+ for (sva = sv_arenaroot; sva; sva = (SV*)SvANY(sva)) {
svend = &sva[SvREFCNT(sva)];
- while (sv < svend) {
- if (SvTYPE(sv) != SVTYPEMASK) {
- fprintf(stderr, "****\n");
- sv_dump(sv);
- }
- ++sv;
+ for (sv = sva + 1; sv < svend; ++sv) {
+ if (SvTYPE(sv) != SVTYPEMASK)
+ (*f)(sv);
}
}
}
+#endif /* PURIFY */
+
+static void
+do_report_used(sv)
+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_clean_objs()
+sv_report_used()
+{
+ visit(do_report_used);
+}
+
+static void
+do_clean_objs(sv)
+SV* sv;
{
- SV* sva;
- register SV* sv;
- register SV* svend;
SV* rv;
-#ifndef DISABLE_DESTRUCTOR_KLUDGE
- register GV* gv;
- for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
- gv = (GV*)sva + 1;
- svend = &sva[SvREFCNT(sva)];
- while ((SV*)gv < svend) {
- if (SvTYPE(gv) == SVt_PVGV && (sv = GvSV(gv)) &&
- SvROK(sv) && SvOBJECT(rv = SvRV(sv)))
- {
- DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "),
- sv_dump(sv));)
- SvROK_off(sv);
- SvRV(sv) = 0;
- SvREFCNT_dec(rv);
- }
- ++gv;
- }
+ 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);
}
- if (!sv_objcount)
- return;
+
+ /* XXX Might want to check arrays, etc. */
+}
+
+#ifndef DISABLE_DESTRUCTOR_KLUDGE
+static void
+do_clean_named_objs(sv)
+SV* sv;
+{
+ if (SvTYPE(sv) == SVt_PVGV && GvSV(sv))
+ do_clean_objs(GvSV(sv));
+}
#endif
- for (sva = sv_arenaroot; sva; sva = (SV *) SvANY(sva)) {
- sv = sva + 1;
- svend = &sva[SvREFCNT(sva)];
- while (sv < svend) {
- if (SvROK(sv) && SvOBJECT(rv = SvRV(sv))) {
- DEBUG_D((fprintf(stderr, "Cleaning object ref:\n "),
- sv_dump(sv));)
- SvROK_off(sv);
- SvRV(sv) = 0;
- SvREFCNT_dec(rv);
- }
- /* XXX Might want to check arrays, etc. */
- ++sv;
- }
- }
+
+static bool in_clean_objs = FALSE;
+
+void
+sv_clean_objs()
+{
+ in_clean_objs = TRUE;
+#ifndef DISABLE_DESTRUCTOR_KLUDGE
+ visit(do_clean_named_objs);
+#endif
+ visit(do_clean_objs);
+ in_clean_objs = FALSE;
+}
+
+static void
+do_clean_all(sv)
+SV* sv;
+{
+ DEBUG_D((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
+ SvFLAGS(sv) |= SVf_BREAK;
+ SvREFCNT_dec(sv);
}
-static int in_clean_all = 0;
+static bool in_clean_all = FALSE;
void
sv_clean_all()
{
- SV* sva;
- register SV* sv;
- register SV* svend;
-
- in_clean_all = 1;
- for (sva = sv_arenaroot; sva; sva = (SV*) SvANY(sva)) {
- sv = sva + 1;
- svend = &sva[SvREFCNT(sva)];
- while (sv < svend) {
- if (SvTYPE(sv) != SVTYPEMASK) {
- DEBUG_D((fprintf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
- SvFLAGS(sv) |= SVf_BREAK;
- SvREFCNT_dec(sv);
- }
- ++sv;
- }
- }
- in_clean_all = 0;
+ in_clean_all = TRUE;
+ visit(do_clean_all);
+ in_clean_all = FALSE;
}
void
if (!SvFAKE(sva))
Safefree((void *)sva);
}
+
+ sv_arenaroot = 0;
+ sv_root = 0;
}
static XPVIV*
stash = 0;
break;
case SVt_PV:
- nv = 0.0;
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
mt = SVt_PVNV;
break;
case SVt_PVIV:
- nv = 0.0;
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
del_XPVIV(SvANY(sv));
break;
case SVt_PVNV:
- nv = SvNVX(sv);
pv = SvPVX(sv);
cur = SvCUR(sv);
len = SvLEN(sv);
if (pv)
Safefree(pv);
SvPVX(sv) = 0;
- AvMAX(sv) = 0;
- AvFILL(sv) = 0;
+ AvMAX(sv) = -1;
+ AvFILL(sv) = -1;
SvIVX(sv) = 0;
SvNVX(sv) = 0.0;
SvMAGIC(sv) = magic;
sv_peek(sv)
register SV *sv;
{
- char *t = tokenbuf;
+ SV *t = sv_newmortal();
+ STRLEN prevlen;
int unref = 0;
retry:
if (!sv) {
- strcpy(t, "VOID");
+ sv_catpv(t, "VOID");
goto finish;
}
else if (sv == (SV*)0x55555555 || SvTYPE(sv) == 'U') {
- strcpy(t, "WILD");
+ sv_catpv(t, "WILD");
goto finish;
}
else if (sv == &sv_undef || sv == &sv_no || sv == &sv_yes) {
if (sv == &sv_undef) {
- strcpy(t, "SV_UNDEF");
+ sv_catpv(t, "SV_UNDEF");
if (!(SvFLAGS(sv) & (SVf_OK|SVf_OOK|SVs_OBJECT|
SVs_GMG|SVs_SMG|SVs_RMG)) &&
SvREADONLY(sv))
goto finish;
}
else if (sv == &sv_no) {
- strcpy(t, "SV_NO");
+ sv_catpv(t, "SV_NO");
if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
SVs_GMG|SVs_SMG|SVs_RMG)) &&
!(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
goto finish;
}
else {
- strcpy(t, "SV_YES");
+ sv_catpv(t, "SV_YES");
if (!(SvFLAGS(sv) & (SVf_ROK|SVf_OOK|SVs_OBJECT|
SVs_GMG|SVs_SMG|SVs_RMG)) &&
!(~SvFLAGS(sv) & (SVf_POK|SVf_NOK|SVf_READONLY|
SvNVX(sv) == 1.0)
goto finish;
}
- t += strlen(t);
- *t++ = ':';
+ sv_catpv(t, ":");
}
else if (SvREFCNT(sv) == 0) {
- *t++ = '(';
+ sv_catpv(t, "(");
unref++;
}
if (SvROK(sv)) {
- *t++ = '\\';
- if (t - tokenbuf + unref > 10) {
- strcpy(tokenbuf + unref + 3,"...");
+ sv_catpv(t, "\\");
+ if (SvCUR(t) + unref > 10) {
+ SvCUR(t) = unref + 3;
+ *SvEND(t) = '\0';
+ sv_catpv(t, "...");
goto finish;
}
sv = (SV*)SvRV(sv);
}
switch (SvTYPE(sv)) {
default:
- strcpy(t,"FREED");
+ sv_catpv(t, "FREED");
goto finish;
case SVt_NULL:
- strcpy(t,"UNDEF");
+ sv_catpv(t, "UNDEF");
return tokenbuf;
case SVt_IV:
- strcpy(t,"IV");
+ sv_catpv(t, "IV");
break;
case SVt_NV:
- strcpy(t,"NV");
+ sv_catpv(t, "NV");
break;
case SVt_RV:
- strcpy(t,"RV");
+ sv_catpv(t, "RV");
break;
case SVt_PV:
- strcpy(t,"PV");
+ sv_catpv(t, "PV");
break;
case SVt_PVIV:
- strcpy(t,"PVIV");
+ sv_catpv(t, "PVIV");
break;
case SVt_PVNV:
- strcpy(t,"PVNV");
+ sv_catpv(t, "PVNV");
break;
case SVt_PVMG:
- strcpy(t,"PVMG");
+ sv_catpv(t, "PVMG");
break;
case SVt_PVLV:
- strcpy(t,"PVLV");
+ sv_catpv(t, "PVLV");
break;
case SVt_PVAV:
- strcpy(t,"AV");
+ sv_catpv(t, "AV");
break;
case SVt_PVHV:
- strcpy(t,"HV");
+ sv_catpv(t, "HV");
break;
case SVt_PVCV:
if (CvGV(sv))
- sprintf(t, "CV(%s)", GvNAME(CvGV(sv)));
+ sv_catpvf(t, "CV(%s)", GvNAME(CvGV(sv)));
else
- strcpy(t, "CV()");
+ sv_catpv(t, "CV()");
goto finish;
case SVt_PVGV:
- strcpy(t,"GV");
+ sv_catpv(t, "GV");
break;
case SVt_PVBM:
- strcpy(t,"BM");
+ sv_catpv(t, "BM");
break;
case SVt_PVFM:
- strcpy(t,"FM");
+ sv_catpv(t, "FM");
break;
case SVt_PVIO:
- strcpy(t,"IO");
+ sv_catpv(t, "IO");
break;
}
- t += strlen(t);
if (SvPOKp(sv)) {
if (!SvPVX(sv))
- strcpy(t, "(null)");
+ sv_catpv(t, "(null)");
if (SvOOK(sv))
- sprintf(t,"(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
+ sv_catpvf(t, "(%ld+\"%.127s\")",(long)SvIVX(sv),SvPVX(sv));
else
- sprintf(t,"(\"%.127s\")",SvPVX(sv));
+ sv_catpvf(t, "(\"%.127s\")",SvPVX(sv));
+ }
+ else if (SvNOKp(sv)) {
+ SET_NUMERIC_STANDARD();
+ sv_catpvf(t, "(%g)",SvNVX(sv));
}
- else if (SvNOKp(sv))
- sprintf(t,"(%g)",SvNVX(sv));
else if (SvIOKp(sv))
- sprintf(t,"(%ld)",(long)SvIVX(sv));
+ sv_catpvf(t, "(%ld)",(long)SvIVX(sv));
else
- strcpy(t,"()");
+ sv_catpv(t, "()");
finish:
if (unref) {
- t += strlen(t);
while (unref--)
- *t++ = ')';
- *t = '\0';
+ sv_catpv(t, ")");
}
- return tokenbuf;
+ return SvPV(t, na);
}
#endif
{
register char *s;
-#ifdef MSDOS
+#ifdef HAS_64K_LIMIT
if (newlen >= 0x10000) {
- fprintf(stderr, "Allocation too large: %lx\n", newlen);
+ PerlIO_printf(Perl_debug_log, "Allocation too large: %lx\n", newlen);
my_exit(1);
}
-#endif /* MSDOS */
+#endif /* HAS_64K_LIMIT */
if (SvROK(sv))
sv_unref(sv);
if (SvTYPE(sv) < SVt_PV) {
register SV *sv;
IV i;
{
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
sv_upgrade(sv, SVt_IV);
case SVt_PVCV:
case SVt_PVFM:
case SVt_PVIO:
- croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
- op_name[op->op_type]);
+ {
+ dTHR;
+ croak("Can't coerce %s to integer in %s", sv_reftype(sv,0),
+ op_desc[op->op_type]);
+ }
}
(void)SvIOK_only(sv); /* validate number */
SvIVX(sv) = i;
}
void
+sv_setuv(sv,u)
+register SV *sv;
+UV u;
+{
+ if (u <= IV_MAX)
+ sv_setiv(sv, u);
+ else
+ sv_setnv(sv, (double)u);
+}
+
+void
sv_setnv(sv,num)
register SV *sv;
double num;
{
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
switch (SvTYPE(sv)) {
case SVt_NULL:
case SVt_IV:
case SVt_PVCV:
case SVt_PVFM:
case SVt_PVIO:
- croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
- op_name[op->op_type]);
+ {
+ dTHR;
+ croak("Can't coerce %s to number in %s", sv_reftype(sv,0),
+ op_name[op->op_type]);
+ }
}
SvNVX(sv) = num;
(void)SvNOK_only(sv); /* validate number */
not_a_number(sv)
SV *sv;
{
+ dTHR;
char tmpbuf[64];
char *d = tmpbuf;
char *s;
- int i;
+ char *limit = tmpbuf + sizeof(tmpbuf) - 8;
+ /* each *s can expand to 4 chars + "...\0",
+ i.e. need room for 8 chars */
- for (s = SvPVX(sv), i = 50; *s && i; s++,i--) {
- int ch = *s;
- if (ch & 128 && !isprint(ch)) {
+ for (s = SvPVX(sv); *s && d < limit; s++) {
+ int ch = *s & 0xFF;
+ if (ch & 128 && !isPRINT_LC(ch)) {
*d++ = 'M';
*d++ = '-';
ch &= 127;
}
- if (isprint(ch))
+ if (ch == '\n') {
+ *d++ = '\\';
+ *d++ = 'n';
+ }
+ else if (ch == '\r') {
+ *d++ = '\\';
+ *d++ = 'r';
+ }
+ else if (ch == '\f') {
+ *d++ = '\\';
+ *d++ = 'f';
+ }
+ else if (ch == '\\') {
+ *d++ = '\\';
+ *d++ = '\\';
+ }
+ else if (isPRINT_LC(ch))
*d++ = ch;
else {
*d++ = '^';
- *d++ = ch ^ 64;
+ *d++ = toCTRL(ch);
}
}
if (*s) {
else
return (IV) U_V(SvNVX(sv));
}
- if (SvPOKp(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv))
- not_a_number(sv);
- return (IV)atol(SvPVX(sv));
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asIV(sv);
+ if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
+ return 0;
}
- if (!SvROK(sv)) {
- return 0;
- }
}
if (SvTHINKFIRST(sv)) {
if (SvROK(sv)) {
else
return (IV) U_V(SvNVX(sv));
}
- if (SvPOKp(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv))
- not_a_number(sv);
- return (IV)atol(SvPVX(sv));
- }
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asIV(sv);
if (dowarn)
warn(warn_uninit);
return 0;
switch (SvTYPE(sv)) {
case SVt_NULL:
sv_upgrade(sv, SVt_IV);
- return SvIVX(sv);
+ break;
case SVt_PV:
sv_upgrade(sv, SVt_PVIV);
break;
if (SvNVX(sv) < 0.0)
SvIVX(sv) = I_V(SvNVX(sv));
else
- SvIVX(sv) = (IV) U_V(SvNVX(sv));
+ SvUVX(sv) = U_V(SvNVX(sv));
}
else if (SvPOKp(sv) && SvLEN(sv)) {
- if (dowarn && !looks_like_number(sv))
- not_a_number(sv);
(void)SvIOK_on(sv);
- SvIVX(sv) = (IV)atol(SvPVX(sv));
+ SvIVX(sv) = asIV(sv);
}
else {
+ dTHR;
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0;
}
- (void)SvIOK_on(sv);
- DEBUG_c(fprintf(Perl_debug_log,"0x%lx 2iv(%ld)\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2iv(%ld)\n",
(unsigned long)sv,(long)SvIVX(sv)));
return SvIVX(sv);
}
+UV
+sv_2uv(sv)
+register SV *sv;
+{
+ if (!sv)
+ return 0;
+ if (SvGMAGICAL(sv)) {
+ mg_get(sv);
+ if (SvIOKp(sv))
+ return SvUVX(sv);
+ if (SvNOKp(sv))
+ return U_V(SvNVX(sv));
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asUV(sv);
+ if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(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 (UV)SvRV(sv);
+ }
+ if (SvREADONLY(sv)) {
+ if (SvNOKp(sv)) {
+ return U_V(SvNVX(sv));
+ }
+ if (SvPOKp(sv) && SvLEN(sv))
+ return asUV(sv);
+ if (dowarn)
+ warn(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 (SvNOKp(sv)) {
+ (void)SvIOK_on(sv);
+ SvUVX(sv) = U_V(SvNVX(sv));
+ }
+ else if (SvPOKp(sv) && SvLEN(sv)) {
+ (void)SvIOK_on(sv);
+ SvUVX(sv) = asUV(sv);
+ }
+ else {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
+ return 0;
+ }
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2uv(%lu)\n",
+ (unsigned long)sv,SvUVX(sv)));
+ return SvUVX(sv);
+}
+
double
sv_2nv(sv)
register SV *sv;
if (SvPOKp(sv) && SvLEN(sv)) {
if (dowarn && !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 (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
return 0;
}
}
if (SvPOKp(sv) && SvLEN(sv)) {
if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
+ SET_NUMERIC_STANDARD();
return atof(SvPVX(sv));
}
if (SvIOKp(sv))
sv_upgrade(sv, SVt_PVNV);
else
sv_upgrade(sv, SVt_NV);
- DEBUG_c(fprintf(Perl_debug_log,"0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
+ DEBUG_c(SET_NUMERIC_STANDARD());
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%lx num(%g)\n",(unsigned long)sv,SvNVX(sv)));
}
else if (SvTYPE(sv) < SVt_PVNV)
sv_upgrade(sv, SVt_PVNV);
else if (SvPOKp(sv) && SvLEN(sv)) {
if (dowarn && !SvIOKp(sv) && !looks_like_number(sv))
not_a_number(sv);
+ SET_NUMERIC_STANDARD();
SvNVX(sv) = atof(SvPVX(sv));
}
else {
+ dTHR;
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
return 0.0;
}
SvNOK_on(sv);
- DEBUG_c(fprintf(Perl_debug_log,"0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
+ DEBUG_c(SET_NUMERIC_STANDARD());
+ DEBUG_c(PerlIO_printf(Perl_debug_log,
+ "0x%lx 2nv(%g)\n",(unsigned long)sv,SvNVX(sv)));
return SvNVX(sv);
}
+static IV
+asIV(sv)
+SV *sv;
+{
+ I32 numtype = looks_like_number(sv);
+ double d;
+
+ if (numtype == 1)
+ return atol(SvPVX(sv));
+ if (!numtype && dowarn)
+ 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);
+}
+
+static UV
+asUV(sv)
+SV *sv;
+{
+ I32 numtype = looks_like_number(sv);
+
+ if (numtype == 1)
+ return atol(SvPVX(sv));
+ if (!numtype && dowarn)
+ not_a_number(sv);
+ SET_NUMERIC_STANDARD();
+ return U_V(atof(SvPVX(sv)));
+}
+
+I32
+looks_like_number(sv)
+SV *sv;
+{
+ register char *s;
+ register char *send;
+ register char *sbegin;
+ I32 numtype;
+ STRLEN len;
+
+ if (SvPOK(sv)) {
+ sbegin = SvPVX(sv);
+ len = SvCUR(sv);
+ }
+ else if (SvPOKp(sv))
+ sbegin = SvPV(sv, len);
+ else
+ return 1;
+ send = sbegin + len;
+
+ s = sbegin;
+ while (isSPACE(*s))
+ s++;
+ if (*s == '+' || *s == '-')
+ s++;
+
+ /* next must be digit or '.' */
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ if (*s == '.') {
+ s++;
+ while (isDIGIT(*s)) /* optional digits after "." */
+ s++;
+ }
+ }
+ else if (*s == '.') {
+ s++;
+ /* no digits before '.' means we need digits after it */
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ }
+ else
+ return 0;
+ }
+ 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;
+ s++;
+ if (*s == '+' || *s == '-')
+ s++;
+ if (isDIGIT(*s)) {
+ do {
+ s++;
+ } while (isDIGIT(*s));
+ }
+ else
+ return 0;
+ }
+ while (isSPACE(*s))
+ s++;
+ if (s >= send)
+ return numtype;
+ if (len == 10 && memEQ(sbegin, "0 but true", 10))
+ return 1;
+ return 0;
+}
+
char *
sv_2pv(sv, lp)
register SV *sv;
{
register char *s;
int olderrno;
+ SV *tsv;
if (!sv) {
*lp = 0;
}
if (SvIOKp(sv)) {
(void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
+ tsv = Nullsv;
goto tokensave;
}
if (SvNOKp(sv)) {
+ SET_NUMERIC_STANDARD();
Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
+ tsv = Nullsv;
goto tokensave;
}
if (!SvROK(sv)) {
+ dTHR; /* just for localizing */
+ if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
+ warn(warn_uninit);
*lp = 0;
return "";
}
case SVt_PVCV: s = "CODE"; break;
case SVt_PVGV: s = "GLOB"; break;
case SVt_PVFM: s = "FORMATLINE"; break;
- case SVt_PVIO: s = "FILEHANDLE"; break;
+ case SVt_PVIO: s = "IO"; break;
default: s = "UNKNOWN"; break;
}
+ tsv = NEWSV(0,0);
if (SvOBJECT(sv))
- sprintf(tokenbuf, "%s=%s(0x%lx)",
- HvNAME(SvSTASH(sv)), s, (unsigned long)sv);
+ sv_setpvf(tsv, "%s=%s", HvNAME(SvSTASH(sv)), s);
else
- sprintf(tokenbuf, "%s(0x%lx)", s, (unsigned long)sv);
+ sv_setpv(tsv, s);
+ sv_catpvf(tsv, "(0x%lx)", (unsigned long)sv);
goto tokensaveref;
}
*lp = strlen(s);
}
if (SvREADONLY(sv)) {
if (SvNOKp(sv)) {
+ SET_NUMERIC_STANDARD();
Gconvert(SvNVX(sv), DBL_DIG, 0, tokenbuf);
+ tsv = Nullsv;
goto tokensave;
}
if (SvIOKp(sv)) {
(void)sprintf(tokenbuf,"%ld",(long)SvIVX(sv));
+ tsv = Nullsv;
goto tokensave;
}
if (dowarn)
(void)strcpy(s,"0");
else
#endif /*apollo*/
+ {
+ SET_NUMERIC_STANDARD();
Gconvert(SvNVX(sv), DBL_DIG, 0, s);
+ }
errno = olderrno;
#ifdef FIXNEGATIVEZERO
if (*s == '-' && s[1] == '0' && !s[2])
while (*s) s++;
#ifdef hcx
if (s[-1] == '.')
- s--;
+ *--s = '\0';
#endif
}
else if (SvIOKp(sv)) {
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv, SVt_PVIV);
- SvGROW(sv, 11);
- s = SvPVX(sv);
olderrno = errno; /* some Xenix systems wipe out errno here */
- (void)sprintf(s,"%ld",(long)SvIVX(sv));
+ sv_setpvf(sv, "%Vd", SvIVX(sv));
errno = olderrno;
- while (*s) s++;
+ s = SvEND(sv);
}
else {
+ dTHR;
if (dowarn && !localizing && !(SvFLAGS(sv) & SVs_PADTMP))
warn(warn_uninit);
*lp = 0;
return "";
}
- *s = '\0';
*lp = s - SvPVX(sv);
SvCUR_set(sv, *lp);
SvPOK_on(sv);
- DEBUG_c(fprintf(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:
/* Sneaky stuff here */
tokensaveref:
- sv = sv_newmortal();
- *lp = strlen(tokenbuf);
- sv_setpvn(sv, tokenbuf, *lp);
- return SvPVX(sv);
+ if (!tsv)
+ tsv = newSVpv(tokenbuf, 0);
+ sv_2mortal(tsv);
+ *lp = SvCUR(tsv);
+ return SvPVX(tsv);
}
else {
STRLEN len;
-
+ char *t;
+
+ if (tsv) {
+ sv_2mortal(tsv);
+ t = SvPVX(tsv);
+ len = SvCUR(tsv);
+ }
+ else {
+ t = tokenbuf;
+ len = strlen(tokenbuf);
+ }
#ifdef FIXNEGATIVEZERO
- if (*tokenbuf == '-' && tokenbuf[1] == '0' && !tokenbuf[2])
- strcpy(tokenbuf,"0");
+ if (len == 2 && t[0] == '-' && t[1] == '0') {
+ t = "0";
+ len = 1;
+ }
#endif
(void)SvUPGRADE(sv, SVt_PV);
- len = *lp = strlen(tokenbuf);
+ *lp = len;
s = SvGROW(sv, len + 1);
SvCUR_set(sv, len);
- (void)strcpy(s, tokenbuf);
- /* NO SvPOK_on(sv) here! */
+ (void)strcpy(s, t);
+ SvPOKp_on(sv);
return s;
}
}
if (SvROK(sv)) {
#ifdef OVERLOAD
{
+ dTHR;
SV* tmpsv;
if (SvAMAGIC(sv) && (tmpsv = AMG_CALLun(sv,bool_)))
return SvTRUE(tmpsv);
return SvRV(sv) != 0;
}
if (SvPOKp(sv)) {
- register XPV* Xpv;
- if ((Xpv = (XPV*)SvANY(sv)) &&
- (*Xpv->xpv_pv > '0' ||
- Xpv->xpv_cur > 1 ||
- (Xpv->xpv_cur && *Xpv->xpv_pv != '0')))
+ register XPV* Xpvtmp;
+ if ((Xpvtmp = (XPV*)SvANY(sv)) &&
+ (*Xpvtmp->xpv_pv > '0' ||
+ Xpvtmp->xpv_cur > 1 ||
+ (Xpvtmp->xpv_cur && *Xpvtmp->xpv_pv != '0')))
return 1;
else
return 0;
SV *dstr;
register SV *sstr;
{
+ dTHR;
register U32 sflags;
register int dtype;
register int stype;
if (sstr == dstr)
return;
- if (SvTHINKFIRST(dstr)) {
- if (SvREADONLY(dstr) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(dstr))
- sv_unref(dstr);
- }
+ sv_check_thinkfirst(dstr);
if (!sstr)
sstr = &sv_undef;
stype = SvTYPE(sstr);
(void)SvOK_off(dstr);
return;
case SVt_IV:
- if (dtype <= SVt_PV) {
+ if (dtype != SVt_IV && dtype < SVt_PVIV) {
if (dtype < SVt_IV)
sv_upgrade(dstr, SVt_IV);
else if (dtype == SVt_NV)
sv_upgrade(dstr, SVt_PVNV);
- else if (dtype <= SVt_PV)
+ else
sv_upgrade(dstr, SVt_PVIV);
}
break;
case SVt_NV:
- if (dtype <= SVt_PVIV) {
+ if (dtype != SVt_NV && dtype < SVt_PVNV) {
if (dtype < SVt_NV)
sv_upgrade(dstr, SVt_NV);
- else if (dtype == SVt_PVIV)
- sv_upgrade(dstr, SVt_PVNV);
- else if (dtype <= SVt_PV)
+ else
sv_upgrade(dstr, SVt_PVNV);
}
break;
}
break;
case SVt_PV:
+ case SVt_PVFM:
if (dtype < SVt_PV)
sv_upgrade(dstr, SVt_PV);
break;
break;
case SVt_PVLV:
- sv_upgrade(dstr, SVt_PVNV);
+ sv_upgrade(dstr, SVt_PVLV);
break;
case SVt_PVAV:
GvNAMELEN(dstr) = len;
SvFAKE_on(dstr); /* can coerce to non-glob */
}
+ /* ahem, death to those who redefine active sort subs */
+ else if (curstack == sortstack
+ && GvCV(dstr) && sortcop == CvSTART(GvCV(dstr)))
+ croak("Can't redefine active sort subroutine %s",
+ GvNAME(dstr));
(void)SvOK_off(dstr);
GvINTRO_off(dstr); /* one-shot flag */
gp_free((GV*)dstr);
/* FALL THROUGH */
default:
+ if (SvGMAGICAL(sstr)) {
+ mg_get(sstr);
+ if (SvTYPE(sstr) != stype) {
+ stype = SvTYPE(sstr);
+ if (stype == SVt_PVGV && dtype <= SVt_PVGV)
+ goto glob_assign;
+ }
+ }
if (dtype < stype)
sv_upgrade(dstr, stype);
- if (SvGMAGICAL(sstr))
- mg_get(sstr);
}
sflags = SvFLAGS(sstr);
if (sflags & SVf_ROK) {
if (dtype >= SVt_PV) {
if (dtype == SVt_PVGV) {
+ dTHR;
SV *sref = SvREFCNT_inc(SvRV(sstr));
SV *dref = 0;
int intro = GvINTRO(dstr);
GvGP(dstr)->gp_refcnt--;
GvINTRO_off(dstr); /* one-shot flag */
Newz(602,gp, 1, GP);
- GvGP(dstr) = gp;
- GvREFCNT(dstr) = 1;
+ GvGP(dstr) = gp_ref(gp);
GvSV(dstr) = NEWSV(72,0);
GvLINE(dstr) = curcop->cop_line;
GvEGV(dstr) = (GV*)dstr;
GvIMPORTED_HV_on(dstr);
break;
case SVt_PVCV:
- if (intro)
+ if (intro) {
+ if (GvCVGEN(dstr) && GvCV(dstr) != (CV*)sref) {
+ SvREFCNT_dec(GvCV(dstr));
+ GvCV(dstr) = Nullcv;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
+ sub_generation++;
+ }
SAVESPTR(GvCV(dstr));
- else {
+ }
+ else
+ dref = (SV*)GvCV(dstr);
+ if (GvCV(dstr) != (CV*)sref) {
CV* cv = GvCV(dstr);
if (cv) {
- dref = (SV*)cv;
- if (dowarn && sref != dref &&
- !GvCVGEN((GV*)dstr) &&
- (CvROOT(cv) || CvXSUB(cv)) )
- warn("Subroutine %s redefined",
- GvENAME((GV*)dstr));
- SvFAKE_on(cv);
+ if (!GvCVGEN((GV*)dstr) &&
+ (CvROOT(cv) || CvXSUB(cv)))
+ {
+ /* ahem, death to those who redefine
+ * active sort subs */
+ if (curstack == sortstack &&
+ sortcop == CvSTART(cv))
+ croak(
+ "Can't redefine active sort subroutine %s",
+ GvENAME((GV*)dstr));
+ if (cv_const_sv(cv))
+ warn("Constant subroutine %s redefined",
+ GvENAME((GV*)dstr));
+ else if (dowarn)
+ warn("Subroutine %s redefined",
+ GvENAME((GV*)dstr));
+ }
+ cv_ckproto(cv, (GV*)dstr,
+ SvPOK(sref) ? SvPVX(sref) : Nullch);
}
- }
- if (GvCV(dstr) != (CV*)sref) {
GvCV(dstr) = (CV*)sref;
+ GvCVGEN(dstr) = 0; /* Switch off cacheness. */
GvASSUMECV_on(dstr);
+ sub_generation++;
}
if (curcop->cop_stash != GvSTASH(dstr))
GvIMPORTED_CV_on(dstr);
return;
}
if (SvPVX(dstr)) {
+ (void)SvOOK_off(dstr); /* backoff */
Safefree(SvPVX(dstr));
SvLEN(dstr)=SvCUR(dstr)=0;
}
void
sv_setpvn(sv,ptr,len)
register SV *sv;
-register char *ptr;
+register const char *ptr;
register STRLEN len;
{
- assert(len >= 0);
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ assert(len >= 0); /* STRLEN is probably unsigned, so this may
+ elicit a warning, but it won't hurt. */
+ sv_check_thinkfirst(sv);
if (!ptr) {
(void)SvOK_off(sv);
return;
void
sv_setpv(sv,ptr)
register SV *sv;
-register char *ptr;
+register const char *ptr;
{
register STRLEN len;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!ptr) {
(void)SvOK_off(sv);
return;
register char *ptr;
register STRLEN len;
{
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!SvUPGRADE(sv, SVt_PV))
return;
if (!ptr) {
SvTAINT(sv);
}
+static void
+sv_check_thinkfirst(sv)
+register SV *sv;
+{
+ if (SvTHINKFIRST(sv)) {
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
+ if (SvROK(sv))
+ sv_unref(sv);
+ }
+}
+
void
sv_chop(sv,ptr) /* like set but assuming ptr is in sv */
register SV *sv;
if (!ptr || !SvPOKp(sv))
return;
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (SvTYPE(sv) < SVt_PVIV)
sv_upgrade(sv,SVt_PVIV);
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
{
MAGIC* mg;
- if (SvREADONLY(sv) && curcop != &compiling && !strchr("gB", how))
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling && !strchr("gBf", how))
+ croak(no_modify);
+ }
if (SvMAGICAL(sv) || (how == 't' && SvTYPE(sv) >= SVt_PVMG)) {
if (SvMAGIC(sv) && (mg = mg_find(sv, how))) {
if (how == 't')
if (!obj || obj == sv || how == '#')
mg->mg_obj = obj;
else {
+ dTHR;
mg->mg_obj = SvREFCNT_inc(obj);
mg->mg_flags |= MGf_REFCOUNTED;
}
if (name)
if (namlen >= 0)
mg->mg_ptr = savepvn(name, namlen);
- else if (namlen == HEf_SVKEY)
+ else if (namlen == HEf_SVKEY) {
+ dTHR; /* just for SvREFCNT_inc */
mg->mg_ptr = (char*)SvREFCNT_inc((SV*)name);
+ }
switch (how) {
case 0:
case 'E':
mg->mg_virtual = &vtbl_env;
break;
+ case 'f':
+ mg->mg_virtual = &vtbl_fm;
+ break;
case 'e':
mg->mg_virtual = &vtbl_envelem;
break;
case 'i':
mg->mg_virtual = &vtbl_isaelem;
break;
+ case 'k':
+ mg->mg_virtual = &vtbl_nkeys;
+ break;
case 'L':
SvRMAGICAL_on(sv);
mg->mg_virtual = 0;
case 'l':
mg->mg_virtual = &vtbl_dbline;
break;
+#ifdef USE_THREADS
+ case 'm':
+ mg->mg_virtual = &vtbl_mutex;
+ break;
+#endif /* USE_THREADS */
+#ifdef USE_LOCALE_COLLATE
+ case 'o':
+ mg->mg_virtual = &vtbl_collxfrm;
+ break;
+#endif /* USE_LOCALE_COLLATE */
case 'P':
mg->mg_virtual = &vtbl_pack;
break;
case 'x':
mg->mg_virtual = &vtbl_substr;
break;
+ case 'y':
+ mg->mg_virtual = &vtbl_defelem;
+ break;
case '*':
mg->mg_virtual = &vtbl_glob;
break;
register SV *nsv;
{
U32 refcnt = SvREFCNT(sv);
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (SvREFCNT(nsv) != 1)
warn("Reference miscount in sv_replace()");
if (SvMAGICAL(sv)) {
}
SvREFCNT(sv) = 0;
sv_clear(sv);
+ assert(!SvREFCNT(sv));
StructCopy(nsv,sv,SV);
SvREFCNT(sv) = refcnt;
SvFLAGS(nsv) |= SVTYPEMASK; /* Mark as freed */
assert(SvREFCNT(sv) == 0);
if (SvOBJECT(sv)) {
- dSP;
- GV* destructor;
-
+ dTHR;
if (defstash) { /* Still have a symbol table? */
- destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
+ dTHR;
+ dSP;
+ GV* destructor;
ENTER;
SAVEFREESV(SvSTASH(sv));
- if (destructor && GvCV(destructor)) {
+
+ destructor = gv_fetchmethod(SvSTASH(sv), "DESTROY");
+ if (destructor) {
SV ref;
Zero(&ref, 1, SV);
sv_upgrade(&ref, SVt_RV);
SvRV(&ref) = SvREFCNT_inc(sv);
SvROK_on(&ref);
+ SvREFCNT(&ref) = 1; /* Fake, but otherwise
+ creating+destructing a ref
+ leads to disaster. */
EXTEND(SP, 2);
PUSHMARK(SP);
PUSHs(&ref);
PUTBACK;
- perl_call_sv((SV*)destructor, G_DISCARD|G_EVAL|G_KEEPERR);
+ perl_call_sv((SV*)GvCV(destructor),
+ G_DISCARD|G_EVAL|G_KEEPERR);
del_XRV(SvANY(&ref));
SvREFCNT(sv)--;
}
+
LEAVE;
}
else
--sv_objcount; /* XXX Might want something more general */
}
if (SvREFCNT(sv)) {
- SV *ret;
+ SV *ret;
if ( perldb
&& (ret = perl_get_sv("DB::ret", FALSE))
&& SvROK(ret) && SvRV(ret) == sv && SvREFCNT(sv) == 1) {
SvRV(ret) = 0;
SvROK_off(ret);
SvREFCNT(sv) = 0;
- } else {
- croak("panic: dangling references in DESTROY");
+ }
+ else {
+ if (in_clean_objs)
+ croak("DESTROY created new reference to dead object");
+ /* DESTROY gave object new lease on life */
+ return;
}
}
}
mg_free(sv);
switch (SvTYPE(sv)) {
case SVt_PVIO:
- io_close((IO*)sv);
+ if (IoIFP(sv) != PerlIO_stdin() &&
+ IoIFP(sv) != PerlIO_stdout() &&
+ IoIFP(sv) != PerlIO_stderr())
+ io_close((IO*)sv);
Safefree(IoTOP_NAME(sv));
Safefree(IoFMT_NAME(sv));
Safefree(IoBOTTOM_NAME(sv));
return;
#ifdef DEBUGGING
if (SvTEMP(sv)) {
- warn("Attempt to free temp prematurely");
+ warn("Attempt to free temp prematurely: %s", SvPEEK(sv));
return;
}
#endif
sv_clear(sv);
- del_SV(sv);
+ if (! SvREFCNT(sv))
+ del_SV(sv);
}
STRLEN
if (cur1 != cur2)
return 0;
- return !bcmp(pv1, pv2, cur1);
+ return memEQ(pv1, pv2, cur1);
}
I32
-sv_cmp(str1,str2)
+sv_cmp(str1, str2)
register SV *str1;
register SV *str2;
{
+ STRLEN cur1 = 0;
+ char *pv1 = str1 ? SvPV(str1, cur1) : NULL;
+ STRLEN cur2 = 0;
+ char *pv2 = str2 ? SvPV(str2, cur2) : NULL;
I32 retval;
- char *pv1;
- STRLEN cur1;
- char *pv2;
- STRLEN cur2;
-
- if (!str1) {
- pv1 = "";
- cur1 = 0;
- }
- else
- pv1 = SvPV(str1, cur1);
-
- if (!str2) {
- pv2 = "";
- cur2 = 0;
- }
- else
- pv2 = SvPV(str2, cur2);
if (!cur1)
return cur2 ? -1 : 0;
+
if (!cur2)
return 1;
- if (cur1 < cur2) {
- /*SUPPRESS 560*/
- if (retval = memcmp((void*)pv1, (void*)pv2, cur1))
- return retval < 0 ? -1 : 1;
- else
- return -1;
- }
- /*SUPPRESS 560*/
- else if (retval = memcmp((void*)pv1, (void*)pv2, cur2))
+ retval = memcmp((void*)pv1, (void*)pv2, cur1 < cur2 ? cur1 : cur2);
+
+ if (retval)
return retval < 0 ? -1 : 1;
- else if (cur1 == cur2)
+
+ if (cur1 == cur2)
return 0;
else
- return 1;
+ return cur1 < cur2 ? -1 : 1;
}
+I32
+sv_cmp_locale(sv1, sv2)
+register SV *sv1;
+register SV *sv2;
+{
+#ifdef USE_LOCALE_COLLATE
+
+ char *pv1, *pv2;
+ STRLEN len1, len2;
+ I32 retval;
+
+ if (collation_standard)
+ goto raw_compare;
+
+ len1 = 0;
+ pv1 = sv1 ? sv_collxfrm(sv1, &len1) : NULL;
+ len2 = 0;
+ pv2 = sv2 ? sv_collxfrm(sv2, &len2) : NULL;
+
+ if (!pv1 || !len1) {
+ if (pv2 && len2)
+ return -1;
+ else
+ goto raw_compare;
+ }
+ else {
+ if (!pv2 || !len2)
+ return 1;
+ }
+
+ retval = memcmp((void*)pv1, (void*)pv2, len1 < len2 ? len1 : len2);
+
+ if (retval)
+ return retval < 0 ? -1 : 1;
+
+ /*
+ * When the result of collation is equality, that doesn't mean
+ * that there are no differences -- some locales exclude some
+ * characters from consideration. So to avoid false equalities,
+ * we use the raw string as a tiebreaker.
+ */
+
+ raw_compare:
+ /* FALL THROUGH */
+
+#endif /* USE_LOCALE_COLLATE */
+
+ return sv_cmp(sv1, sv2);
+}
+
+#ifdef USE_LOCALE_COLLATE
+/*
+ * Any scalar variable may carry an 'o' magic that contains the
+ * scalar data of the variable transformed to such a format that
+ * a normal memory comparison can be used to compare the data
+ * according to the locale settings.
+ */
+char *
+sv_collxfrm(sv, nxp)
+ SV *sv;
+ STRLEN *nxp;
+{
+ MAGIC *mg;
+
+ mg = SvMAGICAL(sv) ? mg_find(sv, 'o') : NULL;
+ if (!mg || !mg->mg_ptr || *(U32*)mg->mg_ptr != collation_ix) {
+ char *s, *xf;
+ STRLEN len, xlen;
+
+ if (mg)
+ Safefree(mg->mg_ptr);
+ s = SvPV(sv, len);
+ if ((xf = mem_collxfrm(s, len, &xlen))) {
+ if (SvREADONLY(sv)) {
+ SAVEFREEPV(xf);
+ *nxp = xlen;
+ return xf;
+ }
+ if (! mg) {
+ sv_magic(sv, 0, 'o', 0, 0);
+ mg = mg_find(sv, 'o');
+ assert(mg);
+ }
+ mg->mg_ptr = xf;
+ mg->mg_len = xlen;
+ }
+ else {
+ if (mg) {
+ mg->mg_ptr = NULL;
+ mg->mg_len = -1;
+ }
+ }
+ }
+ if (mg && mg->mg_ptr) {
+ *nxp = mg->mg_len;
+ return mg->mg_ptr + sizeof(collation_ix);
+ }
+ else {
+ *nxp = 0;
+ return NULL;
+ }
+}
+
+#endif /* USE_LOCALE_COLLATE */
+
char *
sv_gets(sv,fp,append)
register SV *sv;
-register FILE *fp;
+register PerlIO *fp;
I32 append;
{
char *rsptr;
register I32 cnt;
I32 i;
-#ifdef FAST_SV_GETS
- /*
- * We're going to steal some values from the stdio struct
- * and put EVERYTHING in the innermost loop into registers.
- */
- register STDCHAR *ptr;
- STRLEN bpx;
- I32 shortbuffered;
-#endif
-
- if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
- if (SvROK(sv))
- sv_unref(sv);
- }
+ sv_check_thinkfirst(sv);
if (!SvUPGRADE(sv, SVt_PV))
return 0;
+ SvSCREAM_off(sv);
if (RsSNARF(rs)) {
rsptr = NULL;
if (RsPARA(rs)) { /* have to do this both before and after */
do { /* to make sure file boundaries work right */
- if (feof(fp))
+ if (PerlIO_eof(fp))
return 0;
- i = getc(fp);
+ i = PerlIO_getc(fp);
if (i != '\n') {
if (i == -1)
return 0;
- ungetc(i,fp);
+ PerlIO_ungetc(fp,i);
break;
}
} while (i != EOF);
}
-#ifdef FAST_SV_GETS
+ /* See if we know enough about I/O mechanism to cheat it ! */
+
+ /* This used to be #ifdef test - it is made run-time test for ease
+ of abstracting out stdio interface. One call should be cheap
+ enough here - and may even be a macro allowing compile
+ time optimization.
+ */
+
+ if (PerlIO_fast_gets(fp)) {
+
+ /*
+ * We're going to steal some values from the stdio struct
+ * and put EVERYTHING in the innermost loop into registers.
+ */
+ register STDCHAR *ptr;
+ STRLEN bpx;
+ I32 shortbuffered;
+
+#if defined(VMS) && defined(PERLIO_IS_STDIO)
+ /* An ungetc()d char is handled separately from the regular
+ * buffer, so we getc() it back out and stuff it in the buffer.
+ */
+ i = PerlIO_getc(fp);
+ if (i == EOF) return 0;
+ *(--((*fp)->_ptr)) = (unsigned char) i;
+ (*fp)->_cnt++;
+#endif
/* Here is some breathtakingly efficient cheating */
- cnt = FILE_cnt(fp); /* get count into register */
+ cnt = PerlIO_get_cnt(fp); /* get count into register */
(void)SvPOK_only(sv); /* validate pointer */
if (SvLEN(sv) - append <= cnt + 1) { /* make sure we have the room */
if (cnt > 80 && SvLEN(sv) > append) {
}
else {
shortbuffered = 0;
- SvGROW(sv, append+cnt+2);/* (remembering cnt can be -1) */
+ /* remember that cnt can be negative */
+ SvGROW(sv, append + (cnt <= 0 ? 2 : (cnt + 1)));
}
}
else
shortbuffered = 0;
bp = (STDCHAR*)SvPVX(sv) + append; /* move these two too to registers */
- ptr = FILE_ptr(fp);
+ ptr = (STDCHAR*)PerlIO_get_ptr(fp);
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: entering, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: entering: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base(fp) ? PerlIO_get_base(fp) : 0)));
for (;;) {
screamer:
if (cnt > 0) {
if (rslen) {
- while (--cnt >= 0) { /* this | eat */
+ while (cnt > 0) { /* this | eat */
+ cnt--;
if ((*bp++ = *ptr++) == rslast) /* really | dust */
goto thats_all_folks; /* screams | sed :-) */
}
}
else {
- memcpy((char*)bp, (char*)ptr, cnt); /* this | eat */
+ Copy(ptr, bp, cnt, char); /* this | eat */
bp += cnt; /* screams | dust */
ptr += cnt; /* louder | sed :-) */
cnt = 0;
continue;
}
- FILE_cnt(fp) = cnt; /* deregisterize cnt and ptr */
- FILE_ptr(fp) = ptr;
-#if defined(__Lynx__)
- i = _fillbuf(fp); /* get more characters */
-#else
- i = _filbuf(fp); /* get more characters */
-#endif
- cnt = FILE_cnt(fp);
- ptr = FILE_ptr(fp); /* reregisterize cnt and ptr */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: going to getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
+ PerlIO_set_ptrcnt(fp, ptr, cnt); /* deregisterize cnt and ptr */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: pre: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
+ /* This used to call 'filbuf' in stdio form, but as that behaves like
+ getc when cnt <= 0 we use PerlIO_getc here to avoid introducing
+ another abstraction. */
+ i = PerlIO_getc(fp); /* get more characters */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: post: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
+ cnt = PerlIO_get_cnt(fp);
+ ptr = (STDCHAR*)PerlIO_get_ptr(fp); /* reregisterize cnt and ptr */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: after getc, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
if (i == EOF) /* all done for ever? */
goto thats_really_all_folks;
SvGROW(sv, bpx + cnt + 2);
bp = (STDCHAR*)SvPVX(sv) + bpx; /* unbox after relocation */
- *bp++ = i; /* store character from _filbuf */
+ *bp++ = i; /* store character from PerlIO_getc */
if (rslen && (STDCHAR)i == rslast) /* all done for now? */
goto thats_all_folks;
thats_all_folks:
if ((rslen > 1 && (bp - (STDCHAR*)SvPVX(sv) < rslen)) ||
- bcmp((char*)bp - rslen, rsptr, rslen))
- goto screamer; /* go back to the fray */
+ memNE((char*)bp - rslen, rsptr, rslen))
+ goto screamer; /* go back to the fray */
thats_really_all_folks:
if (shortbuffered)
cnt += shortbuffered;
- FILE_cnt(fp) = cnt; /* put these back or we're in trouble */
- FILE_ptr(fp) = ptr;
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: quitting, ptr=%ld, cnt=%ld\n",(long)ptr,(long)cnt));
+ PerlIO_set_ptrcnt(fp, ptr, cnt); /* put these back or we're in trouble */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: end: FILE * thinks ptr=%ld, cnt=%ld, base=%ld\n",
+ (long)PerlIO_get_ptr(fp), (long)PerlIO_get_cnt(fp),
+ (long)(PerlIO_has_base (fp) ? PerlIO_get_base(fp) : 0)));
*bp = '\0';
- SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
-
-#else /* SV_FAST_GETS */
-
- /*The big, slow, and stupid way */
-
+ SvCUR_set(sv, bp - (STDCHAR*)SvPVX(sv)); /* set length */
+ DEBUG_P(PerlIO_printf(Perl_debug_log,
+ "Screamer: done, len=%d, string=|%.*s|\n",
+ SvCUR(sv),(int)SvCUR(sv),SvPVX(sv)));
+ }
+ else
{
+ /*The big, slow, and stupid way */
STDCHAR buf[8192];
-screamer:
+screamer2:
if (rslen) {
- if (rslast == '\n') {
- i = fgets(buf,sizeof buf,fp) == NULL ? EOF : *buf;
- cnt = i == EOF ? 0 : strlen(buf);
- }
- else {
- register STDCHAR *bpe = buf + sizeof(buf);
- bp = buf;
- while ((i = getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
- ; /* keep reading */
- cnt = bp - buf;
- }
+ register STDCHAR *bpe = buf + sizeof(buf);
+ bp = buf;
+ while ((i = PerlIO_getc(fp)) != EOF && (*bp++ = i) != rslast && bp < bpe)
+ ; /* keep reading */
+ cnt = bp - buf;
}
else {
- cnt = fread((char*)buf, 1, sizeof(buf), fp);
- i = cnt ? !EOF : EOF;
+ cnt = PerlIO_read(fp,(char*)buf, sizeof(buf));
+ /* Accomodate broken VAXC compiler, which applies U8 cast to
+ * both args of ?: operator, causing EOF to change into 255
+ */
+ if (cnt) { i = (U8)buf[cnt - 1]; } else { i = EOF; }
}
if (append)
- sv_catpvn(sv, buf, cnt);
+ sv_catpvn(sv, (char *) buf, cnt);
else
- sv_setpvn(sv, buf, cnt);
+ sv_setpvn(sv, (char *) buf, cnt);
if (i != EOF && /* joy */
(!rslen ||
SvCUR(sv) < rslen ||
- bcmp(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
+ memNE(SvPVX(sv) + SvCUR(sv) - rslen, rsptr, rslen)))
{
append = -1;
- goto screamer;
+ /*
+ * If we're reading from a TTY and we get a short read,
+ * indicating that the user hit his EOF character, we need
+ * to notice it now, because if we try to read from the TTY
+ * again, the EOF condition will disappear.
+ *
+ * The comparison of cnt to sizeof(buf) is an optimization
+ * that prevents unnecessary calls to feof().
+ *
+ * - jik 9/25/96
+ */
+ if (!(cnt < sizeof(buf) && PerlIO_eof(fp)))
+ goto screamer2;
}
}
-#endif /* SV_FAST_GETS */
-
if (RsPARA(rs)) { /* have to do this both before and after */
while (i != EOF) { /* to make sure file boundaries work right */
- i = getc(fp);
+ i = PerlIO_getc(fp);
if (i != '\n') {
- ungetc(i,fp);
+ PerlIO_ungetc(fp,i);
break;
}
}
return (SvCUR(sv) - append) ? SvPVX(sv) : Nullch;
}
+
void
sv_inc(sv)
register SV *sv;
if (!sv)
return;
if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
if (SvROK(sv)) {
#ifdef OVERLOAD
if (SvAMAGIC(sv) && AMG_CALLun(sv,inc)) return;
if (SvGMAGICAL(sv))
mg_get(sv);
flags = SvFLAGS(sv);
- if (flags & SVp_IOK) {
- (void)SvIOK_only(sv);
- ++SvIVX(sv);
- return;
- }
if (flags & SVp_NOK) {
- SvNVX(sv) += 1.0;
(void)SvNOK_only(sv);
+ SvNVX(sv) += 1.0;
+ 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);
+ }
return;
}
if (!(flags & SVp_POK) || !*SvPVX(sv)) {
while (isALPHA(*d)) d++;
while (isDIGIT(*d)) d++;
if (*d) {
- sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
+ SET_NUMERIC_STANDARD();
+ sv_setnv(sv,atof(SvPVX(sv)) + 1.0); /* punt */
return;
}
d--;
if (!sv)
return;
if (SvTHINKFIRST(sv)) {
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
if (SvROK(sv)) {
#ifdef OVERLOAD
if (SvAMAGIC(sv) && AMG_CALLun(sv,dec)) return;
if (SvGMAGICAL(sv))
mg_get(sv);
flags = SvFLAGS(sv);
- if (flags & SVp_IOK) {
- (void)SvIOK_only(sv);
- --SvIVX(sv);
- return;
- }
if (flags & SVp_NOK) {
SvNVX(sv) -= 1.0;
(void)SvNOK_only(sv);
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);
+ }
+ return;
+ }
if (!(flags & SVp_POK)) {
if ((flags & SVTYPEMASK) < SVt_PVNV)
sv_upgrade(sv, SVt_NV);
(void)SvNOK_only(sv);
return;
}
- sv_setnv(sv,atof(SvPVX(sv)) - 1.0);
+ SET_NUMERIC_STANDARD();
+ sv_setnv(sv,atof(SvPVX(sv)) - 1.0); /* punt */
}
/* Make a string that will exist for the duration of the expression
static void
sv_mortalgrow()
{
- tmps_max += 128;
+ dTHR;
+ tmps_max += (tmps_max < 512) ? 128 : 512;
Renew(tmps_stack, tmps_max, SV*);
}
sv_mortalcopy(oldstr)
SV *oldstr;
{
+ dTHR;
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
SV *
sv_newmortal()
{
+ dTHR;
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = SVs_TEMP;
sv_2mortal(sv)
register SV *sv;
{
+ dTHR;
if (!sv)
return sv;
if (SvREADONLY(sv) && curcop != &compiling)
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
return sv;
}
+#ifdef I_STDARG
+SV *
+newSVpvf(const char* pat, ...)
+#else
+/*VARARGS0*/
+SV *
+newSVpvf(pat, va_alist)
+const char *pat;
+va_dcl
+#endif
+{
+ register SV *sv;
+ va_list args;
+
+ new_SV(sv);
+ SvANY(sv) = 0;
+ SvREFCNT(sv) = 1;
+ SvFLAGS(sv) = 0;
+#ifdef I_STDARG
+ va_start(args, pat);
+#else
+ va_start(args);
+#endif
+ sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ va_end(args);
+ return sv;
+}
+
+
SV *
newSVnv(n)
double n;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
newRV(ref)
SV *ref;
{
+ dTHR;
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
return sv;
}
+#ifdef CRIPPLED_CC
+SV *
+newRV_noinc(ref)
+SV *ref;
+{
+ register SV *sv;
+
+ sv = newRV(ref);
+ SvREFCNT_dec(ref);
+ return sv;
+}
+#endif /* CRIPPLED_CC */
+
/* make an exact duplicate of old */
SV *
warn("semi-panic: attempt to dup freed string");
return Nullsv;
}
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
(void)SvOK_off(sv);
if (SvTYPE(sv) >= SVt_PV) {
SvCUR_set(sv, 0);
- SvTAINT(sv);
if (SvPVX(sv) != Nullch)
*SvPVX(sv) = '\0';
+ SvTAINT(sv);
}
if (GvAV(gv)) {
av_clear(GvAV(gv));
}
- if (GvHV(gv)) {
- if (HvNAME(GvHV(gv)))
- continue;
+ if (GvHV(gv) && !HvNAME(GvHV(gv))) {
hv_clear(GvHV(gv));
#ifndef VMS /* VMS has no environ array */
if (gv == envgv)
}
}
+IO*
+sv_2io(sv)
+SV *sv;
+{
+ IO* io;
+ GV* gv;
+
+ switch (SvTYPE(sv)) {
+ case SVt_PVIO:
+ io = (IO*)sv;
+ break;
+ case SVt_PVGV:
+ gv = (GV*)sv;
+ io = GvIO(gv);
+ if (!io)
+ croak("Bad filehandle: %s", GvNAME(gv));
+ break;
+ default:
+ if (!SvOK(sv))
+ croak(no_usym, "filehandle");
+ if (SvROK(sv))
+ return sv_2io(SvRV(sv));
+ gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
+ if (gv)
+ io = GvIO(gv);
+ else
+ io = 0;
+ if (!io)
+ croak("Bad filehandle: %s", SvPV(sv,na));
+ break;
+ }
+ return io;
+}
+
CV *
sv_2cv(sv, st, gvp, lref)
SV *sv;
return Nullcv;
*st = GvESTASH(gv);
fix_gv:
- if (lref && !GvCV(gv)) {
+ if (lref && !GvCVu(gv)) {
SV *tmpsv;
ENTER;
tmpsv = NEWSV(704,0);
- gv_efullname(tmpsv, gv);
- newSUB(start_subparse(),
+ gv_efullname3(tmpsv, gv, Nullch);
+ newSUB(start_subparse(FALSE, 0),
newSVOP(OP_CONST, 0, tmpsv),
Nullop,
Nullop);
LEAVE;
- if (!GvCV(gv))
+ if (!GvCVu(gv))
croak("Unable to create sub named \"%s\"", SvPV(sv,na));
}
- return GvCV(gv);
+ return GvCVu(gv);
}
}
}
}
}
-#endif /* SvTRUE */
+#endif /* !SvTRUE */
#ifndef SvIV
-IV SvIV(Sv)
-register SV *Sv;
+IV
+SvIV(sv)
+register SV *sv;
{
- if (SvIOK(Sv))
- return SvIVX(Sv);
- return sv_2iv(Sv);
+ if (SvIOK(sv))
+ return SvIVX(sv);
+ return sv_2iv(sv);
}
-#endif /* SvIV */
+#endif /* !SvIV */
+#ifndef SvUV
+UV
+SvUV(sv)
+register SV *sv;
+{
+ if (SvIOK(sv))
+ return SvUVX(sv);
+ return sv_2uv(sv);
+}
+#endif /* !SvUV */
#ifndef SvNV
-double SvNV(Sv)
-register SV *Sv;
+double
+SvNV(sv)
+register SV *sv;
{
- if (SvNOK(Sv))
- return SvNVX(Sv);
- if (SvIOK(Sv))
- return (double)SvIVX(Sv);
- return sv_2nv(Sv);
+ if (SvNOK(sv))
+ return SvNVX(sv);
+ return sv_2nv(sv);
}
-#endif /* SvNV */
+#endif /* !SvNV */
#ifdef CRIPPLED_CC
char *
{
char *s;
- if (SvREADONLY(sv) && curcop != &compiling)
- croak(no_modify);
+ if (SvREADONLY(sv)) {
+ dTHR;
+ if (curcop != &compiling)
+ croak(no_modify);
+ }
if (SvPOK(sv)) {
*lp = SvCUR(sv);
s = SvPVX(sv);
*lp = SvCUR(sv);
}
- else
+ else {
+ dTHR;
croak("Can't coerce %s to string in %s", sv_reftype(sv,0),
op_name[op->op_type]);
+ }
}
else
s = sv_2pv(sv, lp);
if (!SvPOK(sv)) {
SvPOK_on(sv); /* validate pointer */
SvTAINT(sv);
- DEBUG_c(fprintf(Perl_debug_log,"0x%lx 2pv(%s)\n",
+ DEBUG_c(PerlIO_printf(Perl_debug_log, "0x%lx 2pv(%s)\n",
(unsigned long)sv,SvPVX(sv)));
}
}
sv_isobject(sv)
SV *sv;
{
+ if (!sv)
+ return 0;
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
if (!SvROK(sv))
return 0;
sv = (SV*)SvRV(sv);
SV *sv;
char *name;
{
+ if (!sv)
+ return 0;
+ if (SvGMAGICAL(sv))
+ mg_get(sv);
if (!SvROK(sv))
return 0;
sv = (SV*)SvRV(sv);
SV *rv;
char *classname;
{
+ dTHR;
SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 0;
SvFLAGS(sv) = 0;
}
SV*
-sv_bless(sv,stash)
+sv_bless3(sv,stash,zaptilde)
SV* sv;
HV* stash;
+bool zaptilde;
{
+ dTHR;
SV *ref;
if (!SvROK(sv))
croak("Can't bless non-reference value");
if (SvFLAGS(ref) & (SVs_OBJECT|SVf_READONLY)) {
if (SvREADONLY(ref))
croak(no_modify);
- if (SvOBJECT(ref) && SvTYPE(ref) != SVt_PVIO)
- --sv_objcount;
+ if (SvOBJECT(ref)) {
+ if (SvTYPE(ref) != SVt_PVIO)
+ --sv_objcount;
+ if (zaptilde && SvRMAGICAL(ref))
+ sv_unmagic(ref, '~'); /* stop cross-class pointer forgery */
+ SvREFCNT_dec(SvSTASH(ref));
+ }
}
SvOBJECT_on(ref);
- ++sv_objcount;
+ if (SvTYPE(ref) != SVt_PVIO)
+ ++sv_objcount;
(void)SvUPGRADE(ref, SVt_PVMG);
SvSTASH(ref) = (HV*)SvREFCNT_inc(stash);
#ifdef OVERLOAD
- SvAMAGIC_off(sv);
- if (Gv_AMG(stash)) {
- SvAMAGIC_on(sv);
- }
+ if (Gv_AMG(stash))
+ SvAMAGIC_on(sv);
+ else
+ SvAMAGIC_off(sv);
#endif /* OVERLOAD */
return sv;
}
+SV*
+sv_bless(sv,stash)
+SV* sv;
+HV* stash;
+{
+ return sv_bless3(sv, stash, FALSE);
+}
+
static void
sv_unglob(sv)
SV* sv;
sv_2mortal(rv); /* Schedule for freeing later */
}
+void
+sv_taint(sv)
+SV *sv;
+{
+ sv_magic((sv), Nullsv, 't', Nullch, 0);
+}
+
+void
+sv_untaint(sv)
+SV *sv;
+{
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
+ MAGIC *mg = mg_find(sv, 't');
+ if (mg)
+ mg->mg_len &= ~1;
+ }
+}
+
+bool
+sv_tainted(sv)
+SV *sv;
+{
+ if (SvTYPE(sv) >= SVt_PVMG && SvMAGIC(sv)) {
+ MAGIC *mg = mg_find(sv, 't');
+ if (mg && ((mg->mg_len & 1) || (mg->mg_len & 2) && mg->mg_obj == sv))
+ return TRUE;
+ }
+ return FALSE;
+}
+
+#ifdef I_STDARG
+void
+sv_setpvf(SV *sv, const char* pat, ...)
+#else
+/*VARARGS0*/
+void
+sv_setpvf(sv, pat, va_alist)
+ SV *sv;
+ const char *pat;
+ va_dcl
+#endif
+{
+ va_list args;
+#ifdef I_STDARG
+ va_start(args, pat);
+#else
+ va_start(args);
+#endif
+ sv_vsetpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ va_end(args);
+}
+
+#ifdef I_STDARG
+void
+sv_catpvf(SV *sv, const char* pat, ...)
+#else
+/*VARARGS0*/
+void
+sv_catpvf(sv, pat, va_alist)
+ SV *sv;
+ const char *pat;
+ va_dcl
+#endif
+{
+ va_list args;
+#ifdef I_STDARG
+ va_start(args, pat);
+#else
+ va_start(args);
+#endif
+ sv_vcatpvfn(sv, pat, strlen(pat), &args, Null(SV**), 0, Null(bool*));
+ va_end(args);
+}
+
+void
+sv_vsetpvfn(sv, pat, patlen, args, svargs, svmax, used_locale)
+ 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, pat, patlen, args, svargs, svmax, used_locale)
+ SV *sv;
+ const char *pat;
+ STRLEN patlen;
+ va_list *args;
+ SV **svargs;
+ I32 svmax;
+ bool *used_locale;
+{
+ dTHR;
+ char *p;
+ char *q;
+ char *patend;
+ STRLEN origlen;
+ I32 svix = 0;
+ static char nullstr[] = "(null)";
+
+ /* no matter what, this is a string now */
+ (void)SvPV_force(sv, origlen);
+
+ /* special-case "", "%s", and "%_" */
+ if (patlen == 0)
+ return;
+ if (patlen == 2 && pat[0] == '%') {
+ switch (pat[1]) {
+ case 's':
+ if (args) {
+ char *s = va_arg(*args, char*);
+ sv_catpv(sv, s ? s : nullstr);
+ }
+ else if (svix < svmax)
+ sv_catsv(sv, *svargs);
+ return;
+ case '_':
+ if (args) {
+ sv_catsv(sv, va_arg(*args, SV*));
+ return;
+ }
+ /* See comment on '_' below */
+ break;
+ }
+ }
+
+ patend = (char*)pat + patlen;
+ for (p = (char*)pat; p < patend; p = q) {
+ bool alt = FALSE;
+ bool left = FALSE;
+ char fill = ' ';
+ char plus = 0;
+ char intsize = 0;
+ STRLEN width = 0;
+ STRLEN zeros = 0;
+ bool has_precis = FALSE;
+ STRLEN precis = 0;
+
+ char esignbuf[4];
+ STRLEN esignlen = 0;
+
+ 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;
+
+ char c;
+ int i;
+ unsigned base;
+ IV iv;
+ UV uv;
+ double nv;
+ STRLEN have;
+ STRLEN need;
+ STRLEN gap;
+
+ for (q = p; q < patend && *q != '%'; ++q) ;
+ if (q > p) {
+ sv_catpvn(sv, p, q - p);
+ p = q;
+ }
+ if (q++ >= patend)
+ break;
+
+ /* FLAGS */
+
+ while (*q) {
+ switch (*q) {
+ case ' ':
+ case '+':
+ plus = *q++;
+ continue;
+
+ case '-':
+ left = TRUE;
+ q++;
+ continue;
+
+ case '0':
+ fill = *q++;
+ continue;
+
+ case '#':
+ alt = TRUE;
+ q++;
+ continue;
+
+ default:
+ break;
+ }
+ break;
+ }
+
+ /* WIDTH */
+
+ switch (*q) {
+ case '1': case '2': case '3':
+ case '4': case '5': case '6':
+ case '7': case '8': case '9':
+ width = 0;
+ while (isDIGIT(*q))
+ width = width * 10 + (*q++ - '0');
+ break;
+
+ case '*':
+ if (args)
+ i = va_arg(*args, int);
+ else
+ i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ left |= (i < 0);
+ width = (i < 0) ? -i : i;
+ q++;
+ break;
+ }
+
+ /* PRECISION */
+
+ if (*q == '.') {
+ q++;
+ if (*q == '*') {
+ if (args)
+ i = va_arg(*args, int);
+ else
+ i = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ precis = (i < 0) ? 0 : i;
+ q++;
+ }
+ else {
+ precis = 0;
+ while (isDIGIT(*q))
+ precis = precis * 10 + (*q++ - '0');
+ }
+ has_precis = TRUE;
+ }
+
+ /* SIZE */
+
+ switch (*q) {
+ case 'l':
+#if 0 /* when quads have better support within Perl */
+ if (*(q + 1) == 'l') {
+ intsize = 'q';
+ q += 2;
+ break;
+ }
+#endif
+ /* FALL THROUGH */
+ case 'h':
+ case 'V':
+ intsize = *q++;
+ break;
+ }
+
+ /* CONVERSION */
+
+ switch (c = *q++) {
+
+ /* STRINGS */
+
+ case '%':
+ eptr = q - 1;
+ elen = 1;
+ goto string;
+
+ case 'c':
+ if (args)
+ c = va_arg(*args, int);
+ else
+ c = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ eptr = &c;
+ elen = 1;
+ goto string;
+
+ case 's':
+ if (args) {
+ eptr = va_arg(*args, char*);
+ if (eptr)
+ elen = strlen(eptr);
+ else {
+ eptr = nullstr;
+ elen = sizeof nullstr - 1;
+ }
+ }
+ else if (svix < svmax)
+ eptr = SvPVx(svargs[svix++], elen);
+ goto string;
+
+ case '_':
+ /*
+ * The "%_" hack might have to be changed someday,
+ * if ISO or ANSI decide to use '_' for something.
+ * So we keep it hidden from users' code.
+ */
+ if (!args)
+ goto unknown;
+ eptr = SvPVx(va_arg(*args, SV*), elen);
+
+ string:
+ if (has_precis && elen > precis)
+ elen = precis;
+ break;
+
+ /* INTEGERS */
+
+ case 'p':
+ if (args)
+ uv = (UV)va_arg(*args, void*);
+ else
+ uv = (svix < svmax) ? (UV)svargs[svix++] : 0;
+ base = 16;
+ goto integer;
+
+ case 'D':
+ intsize = 'l';
+ /* FALL THROUGH */
+ case 'd':
+ case 'i':
+ if (args) {
+ switch (intsize) {
+ case 'h': iv = (short)va_arg(*args, int); break;
+ default: iv = va_arg(*args, int); break;
+ case 'l': iv = va_arg(*args, long); break;
+ case 'V': iv = va_arg(*args, IV); break;
+ }
+ }
+ else {
+ iv = (svix < svmax) ? SvIVx(svargs[svix++]) : 0;
+ switch (intsize) {
+ case 'h': iv = (short)iv; break;
+ default: iv = (int)iv; break;
+ case 'l': iv = (long)iv; break;
+ case 'V': break;
+ }
+ }
+ if (iv >= 0) {
+ uv = iv;
+ if (plus)
+ esignbuf[esignlen++] = plus;
+ }
+ else {
+ uv = -iv;
+ esignbuf[esignlen++] = '-';
+ }
+ base = 10;
+ goto integer;
+
+ case 'U':
+ intsize = 'l';
+ /* FALL THROUGH */
+ case 'u':
+ base = 10;
+ goto uns_integer;
+
+ case 'O':
+ intsize = 'l';
+ /* FALL THROUGH */
+ case 'o':
+ base = 8;
+ goto uns_integer;
+
+ case 'X':
+ case 'x':
+ base = 16;
+
+ uns_integer:
+ if (args) {
+ switch (intsize) {
+ case 'h': uv = (unsigned short)va_arg(*args, unsigned); break;
+ default: uv = va_arg(*args, unsigned); break;
+ case 'l': uv = va_arg(*args, unsigned long); break;
+ case 'V': uv = va_arg(*args, UV); break;
+ }
+ }
+ else {
+ uv = (svix < svmax) ? SvUVx(svargs[svix++]) : 0;
+ switch (intsize) {
+ case 'h': uv = (unsigned short)uv; break;
+ default: uv = (unsigned)uv; break;
+ case 'l': uv = (unsigned long)uv; break;
+ case 'V': break;
+ }
+ }
+
+ integer:
+ eptr = ebuf + sizeof ebuf;
+ switch (base) {
+ unsigned dig;
+ case 16:
+ p = (c == 'X') ? "0123456789ABCDEF" : "0123456789abcdef";
+ do {
+ dig = uv & 15;
+ *--eptr = p[dig];
+ } while (uv >>= 4);
+ if (alt) {
+ esignbuf[esignlen++] = '0';
+ esignbuf[esignlen++] = c; /* 'x' or 'X' */
+ }
+ break;
+ case 8:
+ do {
+ dig = uv & 7;
+ *--eptr = '0' + dig;
+ } while (uv >>= 3);
+ if (alt && *eptr != '0')
+ *--eptr = '0';
+ break;
+ default: /* it had better be ten or less */
+ do {
+ dig = uv % base;
+ *--eptr = '0' + dig;
+ } while (uv /= base);
+ break;
+ }
+ elen = (ebuf + sizeof ebuf) - eptr;
+ if (has_precis && precis > elen)
+ zeros = precis - elen;
+ break;
+
+ /* FLOATING POINT */
+
+ case 'F':
+ c = 'f'; /* maybe %F isn't supported here */
+ /* FALL THROUGH */
+ case 'e': case 'E':
+ case 'f':
+ case 'g': case 'G':
+
+ /* This is evil, but floating point is even more evil */
+
+ if (args)
+ nv = va_arg(*args, double);
+ else
+ nv = (svix < svmax) ? SvNVx(svargs[svix++]) : 0.0;
+
+ need = 0;
+ if (c != 'e' && c != 'E') {
+ i = PERL_INT_MIN;
+ (void)frexp(nv, &i);
+ if (i == PERL_INT_MIN)
+ die("panic: frexp");
+ if (i > 0)
+ need = BIT_DIGITS(i);
+ }
+ need += has_precis ? precis : 6; /* known default */
+ if (need < width)
+ need = width;
+
+ need += 20; /* fudge factor */
+ if (efloatsize < need) {
+ Safefree(efloatbuf);
+ efloatsize = need + 20; /* more fudge */
+ New(906, efloatbuf, efloatsize, char);
+ }
+
+ eptr = ebuf + sizeof ebuf;
+ *--eptr = '\0';
+ *--eptr = c;
+ if (has_precis) {
+ base = precis;
+ do { *--eptr = '0' + (base % 10); } while (base /= 10);
+ *--eptr = '.';
+ }
+ if (width) {
+ base = width;
+ do { *--eptr = '0' + (base % 10); } while (base /= 10);
+ }
+ if (fill == '0')
+ *--eptr = fill;
+ if (plus)
+ *--eptr = plus;
+ if (alt)
+ *--eptr = '#';
+ *--eptr = '%';
+
+ (void)sprintf(efloatbuf, eptr, nv);
+
+ eptr = efloatbuf;
+ elen = strlen(efloatbuf);
+
+#ifdef LC_NUMERIC
+ /*
+ * User-defined locales may include arbitrary characters.
+ * And, unfortunately, some system may alloc the "C" locale
+ * to be overridden by a malicious user.
+ */
+ if (used_locale)
+ *used_locale = TRUE;
+#endif /* LC_NUMERIC */
+
+ break;
+
+ /* SPECIAL */
+
+ case 'n':
+ i = SvCUR(sv) - origlen;
+ if (args) {
+ switch (intsize) {
+ case 'h': *(va_arg(*args, short*)) = i; break;
+ default: *(va_arg(*args, int*)) = i; break;
+ case 'l': *(va_arg(*args, long*)) = i; break;
+ case 'V': *(va_arg(*args, IV*)) = i; break;
+ }
+ }
+ else if (svix < svmax)
+ sv_setuv(svargs[svix++], (UV)i);
+ continue; /* not "break" */
+
+ /* UNKNOWN */
+
+ default:
+ unknown:
+ if (!args && dowarn &&
+ (op->op_type == OP_PRTF || op->op_type == OP_SPRINTF)) {
+ SV *msg = sv_newmortal();
+ sv_setpvf(msg, "Invalid conversion in %s: ",
+ (op->op_type == OP_PRTF) ? "printf" : "sprintf");
+ if (c)
+ sv_catpvf(msg, isPRINT(c) ? "\"%%%c\"" : "\"%%\\%03o\"",
+ c & 0xFF);
+ else
+ sv_catpv(msg, "end of string");
+ warn("%_", msg); /* yes, this is reentrant */
+ }
+ /* output mangled stuff */
+ eptr = p;
+ elen = q - p;
+ break;
+ }
+
+ have = esignlen + zeros + elen;
+ need = (have > width ? have : width);
+ gap = need - have;
+
+ SvGROW(sv, SvLEN(sv) + need);
+ p = SvEND(sv);
+ if (esignlen && fill == '0') {
+ for (i = 0; i < esignlen; i++)
+ *p++ = esignbuf[i];
+ }
+ if (gap && !left) {
+ memset(p, fill, gap);
+ p += gap;
+ }
+ if (esignlen && fill != '0') {
+ for (i = 0; i < esignlen; i++)
+ *p++ = esignbuf[i];
+ }
+ if (zeros) {
+ for (i = zeros; i; i--)
+ *p++ = '0';
+ }
+ if (elen) {
+ memcpy(p, eptr, elen);
+ p += elen;
+ }
+ if (gap && left) {
+ memset(p, ' ', gap);
+ p += gap;
+ }
+ *p = '\0';
+ SvCUR(sv) = p - SvPVX(sv);
+ }
+}
+
#ifdef DEBUGGING
void
sv_dump(sv)
SV* sv;
{
- char tmpbuf[1024];
- char *d = tmpbuf;
+ SV *d = sv_newmortal();
+ char *s;
U32 flags;
U32 type;
if (!sv) {
- fprintf(Perl_debug_log, "SV = 0\n");
+ PerlIO_printf(Perl_debug_log, "SV = 0\n");
return;
}
flags = SvFLAGS(sv);
type = SvTYPE(sv);
- sprintf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
- (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
- d += strlen(d);
- if (flags & SVs_PADBUSY) strcat(d, "PADBUSY,");
- if (flags & SVs_PADTMP) strcat(d, "PADTMP,");
- if (flags & SVs_PADMY) strcat(d, "PADMY,");
- if (flags & SVs_TEMP) strcat(d, "TEMP,");
- if (flags & SVs_OBJECT) strcat(d, "OBJECT,");
- if (flags & SVs_GMG) strcat(d, "GMG,");
- if (flags & SVs_SMG) strcat(d, "SMG,");
- if (flags & SVs_RMG) strcat(d, "RMG,");
- d += strlen(d);
-
- if (flags & SVf_IOK) strcat(d, "IOK,");
- if (flags & SVf_NOK) strcat(d, "NOK,");
- if (flags & SVf_POK) strcat(d, "POK,");
- if (flags & SVf_ROK) strcat(d, "ROK,");
- if (flags & SVf_OOK) strcat(d, "OOK,");
- if (flags & SVf_FAKE) strcat(d, "FAKE,");
- if (flags & SVf_READONLY) strcat(d, "READONLY,");
- d += strlen(d);
+ sv_setpvf(d, "(0x%lx)\n REFCNT = %ld\n FLAGS = (",
+ (unsigned long)SvANY(sv), (long)SvREFCNT(sv));
+ if (flags & SVs_PADBUSY) sv_catpv(d, "PADBUSY,");
+ if (flags & SVs_PADTMP) sv_catpv(d, "PADTMP,");
+ if (flags & SVs_PADMY) sv_catpv(d, "PADMY,");
+ if (flags & SVs_TEMP) sv_catpv(d, "TEMP,");
+ if (flags & SVs_OBJECT) sv_catpv(d, "OBJECT,");
+ if (flags & SVs_GMG) sv_catpv(d, "GMG,");
+ if (flags & SVs_SMG) sv_catpv(d, "SMG,");
+ if (flags & SVs_RMG) sv_catpv(d, "RMG,");
+
+ if (flags & SVf_IOK) sv_catpv(d, "IOK,");
+ if (flags & SVf_NOK) sv_catpv(d, "NOK,");
+ if (flags & SVf_POK) sv_catpv(d, "POK,");
+ if (flags & SVf_ROK) sv_catpv(d, "ROK,");
+ if (flags & SVf_OOK) sv_catpv(d, "OOK,");
+ if (flags & SVf_FAKE) sv_catpv(d, "FAKE,");
+ if (flags & SVf_READONLY) sv_catpv(d, "READONLY,");
#ifdef OVERLOAD
- if (flags & SVf_AMAGIC) strcat(d, "OVERLOAD,");
+ if (flags & SVf_AMAGIC) sv_catpv(d, "OVERLOAD,");
#endif /* OVERLOAD */
- if (flags & SVp_IOK) strcat(d, "pIOK,");
- if (flags & SVp_NOK) strcat(d, "pNOK,");
- if (flags & SVp_POK) strcat(d, "pPOK,");
- if (flags & SVp_SCREAM) strcat(d, "SCREAM,");
+ if (flags & SVp_IOK) sv_catpv(d, "pIOK,");
+ if (flags & SVp_NOK) sv_catpv(d, "pNOK,");
+ if (flags & SVp_POK) sv_catpv(d, "pPOK,");
+ if (flags & SVp_SCREAM) sv_catpv(d, "SCREAM,");
switch (type) {
case SVt_PVCV:
- if (CvANON(sv)) strcat(d, "ANON,");
- if (CvCLONE(sv)) strcat(d, "CLONE,");
- if (CvCLONED(sv)) strcat(d, "CLONED,");
- break;
+ case SVt_PVFM:
+ if (CvANON(sv)) sv_catpv(d, "ANON,");
+ if (CvUNIQUE(sv)) sv_catpv(d, "UNIQUE,");
+ if (CvCLONE(sv)) sv_catpv(d, "CLONE,");
+ if (CvCLONED(sv)) sv_catpv(d, "CLONED,");
+ if (CvNODEBUG(sv)) sv_catpv(d, "NODEBUG,");
+ break;
+ case SVt_PVHV:
+ if (HvSHAREKEYS(sv)) sv_catpv(d, "SHAREKEYS,");
+ if (HvLAZYDEL(sv)) sv_catpv(d, "LAZYDEL,");
+ break;
case SVt_PVGV:
- if (GvMULTI(sv)) strcat(d, "MULTI,");
-#ifdef OVERLOAD
- if (flags & SVpgv_AM) strcat(d, "withOVERLOAD,");
-#endif /* OVERLOAD */
+ if (GvINTRO(sv)) sv_catpv(d, "INTRO,");
+ if (GvMULTI(sv)) sv_catpv(d, "MULTI,");
+ if (GvASSUMECV(sv)) sv_catpv(d, "ASSUMECV,");
+ if (GvIMPORTED(sv)) {
+ sv_catpv(d, "IMPORT");
+ if (GvIMPORTED(sv) == GVf_IMPORTED)
+ sv_catpv(d, "ALL,");
+ else {
+ sv_catpv(d, "(");
+ if (GvIMPORTED_SV(sv)) sv_catpv(d, " SV");
+ if (GvIMPORTED_AV(sv)) sv_catpv(d, " AV");
+ if (GvIMPORTED_HV(sv)) sv_catpv(d, " HV");
+ if (GvIMPORTED_CV(sv)) sv_catpv(d, " CV");
+ sv_catpv(d, " ),");
+ }
+ }
}
- d += strlen(d);
- if (d[-1] == ',')
- d--;
- *d++ = ')';
- *d = '\0';
+ if (*(SvEND(d) - 1) == ',')
+ SvPVX(d)[--SvCUR(d)] = '\0';
+ sv_catpv(d, ")");
+ s = SvPVX(d);
- fprintf(Perl_debug_log, "SV = ");
+ PerlIO_printf(Perl_debug_log, "SV = ");
switch (type) {
case SVt_NULL:
- fprintf(Perl_debug_log,"NULL%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "NULL%s\n", s);
return;
case SVt_IV:
- fprintf(Perl_debug_log,"IV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "IV%s\n", s);
break;
case SVt_NV:
- fprintf(Perl_debug_log,"NV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "NV%s\n", s);
break;
case SVt_RV:
- fprintf(Perl_debug_log,"RV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "RV%s\n", s);
break;
case SVt_PV:
- fprintf(Perl_debug_log,"PV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PV%s\n", s);
break;
case SVt_PVIV:
- fprintf(Perl_debug_log,"PVIV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVIV%s\n", s);
break;
case SVt_PVNV:
- fprintf(Perl_debug_log,"PVNV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVNV%s\n", s);
break;
case SVt_PVBM:
- fprintf(Perl_debug_log,"PVBM%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVBM%s\n", s);
break;
case SVt_PVMG:
- fprintf(Perl_debug_log,"PVMG%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVMG%s\n", s);
break;
case SVt_PVLV:
- fprintf(Perl_debug_log,"PVLV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVLV%s\n", s);
break;
case SVt_PVAV:
- fprintf(Perl_debug_log,"PVAV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVAV%s\n", s);
break;
case SVt_PVHV:
- fprintf(Perl_debug_log,"PVHV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVHV%s\n", s);
break;
case SVt_PVCV:
- fprintf(Perl_debug_log,"PVCV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVCV%s\n", s);
break;
case SVt_PVGV:
- fprintf(Perl_debug_log,"PVGV%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVGV%s\n", s);
break;
case SVt_PVFM:
- fprintf(Perl_debug_log,"PVFM%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVFM%s\n", s);
break;
case SVt_PVIO:
- fprintf(Perl_debug_log,"PVIO%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "PVIO%s\n", s);
break;
default:
- fprintf(Perl_debug_log,"UNKNOWN%s\n", tmpbuf);
+ PerlIO_printf(Perl_debug_log, "UNKNOWN%s\n", s);
return;
}
if (type >= SVt_PVIV || type == SVt_IV)
- fprintf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
- if (type >= SVt_PVNV || type == SVt_NV)
- fprintf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
+ PerlIO_printf(Perl_debug_log, " IV = %ld\n", (long)SvIVX(sv));
+ if (type >= SVt_PVNV || type == SVt_NV) {
+ SET_NUMERIC_STANDARD();
+ PerlIO_printf(Perl_debug_log, " NV = %.*g\n", DBL_DIG, SvNVX(sv));
+ }
if (SvROK(sv)) {
- fprintf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
+ PerlIO_printf(Perl_debug_log, " RV = 0x%lx\n", (long)SvRV(sv));
sv_dump(SvRV(sv));
return;
}
return;
if (type <= SVt_PVLV) {
if (SvPVX(sv))
- fprintf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
+ PerlIO_printf(Perl_debug_log, " PV = 0x%lx \"%s\"\n CUR = %ld\n LEN = %ld\n",
(long)SvPVX(sv), SvPVX(sv), (long)SvCUR(sv), (long)SvLEN(sv));
else
- fprintf(Perl_debug_log, " PV = 0\n");
+ PerlIO_printf(Perl_debug_log, " PV = 0\n");
}
if (type >= SVt_PVMG) {
if (SvMAGIC(sv)) {
- fprintf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
+ PerlIO_printf(Perl_debug_log, " MAGIC = 0x%lx\n", (long)SvMAGIC(sv));
}
if (SvSTASH(sv))
- fprintf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
+ PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(SvSTASH(sv)));
}
switch (type) {
case SVt_PVLV:
- fprintf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
- fprintf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
- fprintf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
- fprintf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
+ PerlIO_printf(Perl_debug_log, " TYPE = %c\n", LvTYPE(sv));
+ PerlIO_printf(Perl_debug_log, " TARGOFF = %ld\n", (long)LvTARGOFF(sv));
+ PerlIO_printf(Perl_debug_log, " TARGLEN = %ld\n", (long)LvTARGLEN(sv));
+ PerlIO_printf(Perl_debug_log, " TARG = 0x%lx\n", (long)LvTARG(sv));
sv_dump(LvTARG(sv));
break;
case SVt_PVAV:
- fprintf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
- fprintf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
- fprintf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
- fprintf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
- fprintf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
+ PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n", (long)AvARRAY(sv));
+ PerlIO_printf(Perl_debug_log, " ALLOC = 0x%lx\n", (long)AvALLOC(sv));
+ PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)AvFILL(sv));
+ PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)AvMAX(sv));
+ PerlIO_printf(Perl_debug_log, " ARYLEN = 0x%lx\n", (long)AvARYLEN(sv));
flags = AvFLAGS(sv);
- d = tmpbuf;
- *d = '\0';
- if (flags & AVf_REAL) strcat(d, "REAL,");
- if (flags & AVf_REIFY) strcat(d, "REIFY,");
- if (flags & AVf_REUSED) strcat(d, "REUSED,");
- if (*d)
- d[strlen(d)-1] = '\0';
- fprintf(Perl_debug_log, " FLAGS = (%s)\n", d);
+ sv_setpv(d, "");
+ if (flags & AVf_REAL) sv_catpv(d, ",REAL");
+ if (flags & AVf_REIFY) sv_catpv(d, ",REIFY");
+ if (flags & AVf_REUSED) sv_catpv(d, ",REUSED");
+ PerlIO_printf(Perl_debug_log, " FLAGS = (%s)\n",
+ SvCUR(d) ? SvPVX(d) + 1 : "");
break;
case SVt_PVHV:
- fprintf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
- fprintf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
- fprintf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
- fprintf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
- fprintf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
- fprintf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
+ PerlIO_printf(Perl_debug_log, " ARRAY = 0x%lx\n",(long)HvARRAY(sv));
+ PerlIO_printf(Perl_debug_log, " KEYS = %ld\n", (long)HvKEYS(sv));
+ PerlIO_printf(Perl_debug_log, " FILL = %ld\n", (long)HvFILL(sv));
+ PerlIO_printf(Perl_debug_log, " MAX = %ld\n", (long)HvMAX(sv));
+ PerlIO_printf(Perl_debug_log, " RITER = %ld\n", (long)HvRITER(sv));
+ PerlIO_printf(Perl_debug_log, " EITER = 0x%lx\n",(long) HvEITER(sv));
if (HvPMROOT(sv))
- fprintf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
+ PerlIO_printf(Perl_debug_log, " PMROOT = 0x%lx\n",(long)HvPMROOT(sv));
if (HvNAME(sv))
- fprintf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
+ PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", HvNAME(sv));
break;
- case SVt_PVFM:
case SVt_PVCV:
if (SvPOK(sv))
- fprintf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
- fprintf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
- fprintf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
- fprintf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
- fprintf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
- fprintf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
- fprintf(stderr, " GV = 0x%lx", (long)CvGV(sv));
+ PerlIO_printf(Perl_debug_log, " PROTOTYPE = \"%s\"\n", SvPV(sv,na));
+ /* FALL THROUGH */
+ case SVt_PVFM:
+ PerlIO_printf(Perl_debug_log, " STASH = 0x%lx\n", (long)CvSTASH(sv));
+ PerlIO_printf(Perl_debug_log, " START = 0x%lx\n", (long)CvSTART(sv));
+ PerlIO_printf(Perl_debug_log, " ROOT = 0x%lx\n", (long)CvROOT(sv));
+ PerlIO_printf(Perl_debug_log, " XSUB = 0x%lx\n", (long)CvXSUB(sv));
+ PerlIO_printf(Perl_debug_log, " XSUBANY = %ld\n", (long)CvXSUBANY(sv).any_i32);
+ PerlIO_printf(Perl_debug_log, " GV = 0x%lx", (long)CvGV(sv));
if (CvGV(sv) && GvNAME(CvGV(sv))) {
- fprintf(stderr, " \"%s\"\n", GvNAME(CvGV(sv)));
+ PerlIO_printf(Perl_debug_log, " \"%s\"\n", GvNAME(CvGV(sv)));
} else {
- fprintf(stderr, "\n");
+ PerlIO_printf(Perl_debug_log, "\n");
}
- fprintf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
- fprintf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
- fprintf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
- fprintf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
+ PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)CvFILEGV(sv));
+ PerlIO_printf(Perl_debug_log, " DEPTH = %ld\n", (long)CvDEPTH(sv));
+ PerlIO_printf(Perl_debug_log, " PADLIST = 0x%lx\n", (long)CvPADLIST(sv));
+ PerlIO_printf(Perl_debug_log, " OUTSIDE = 0x%lx\n", (long)CvOUTSIDE(sv));
+#ifdef USE_THREADS
+ PerlIO_printf(Perl_debug_log, " MUTEXP = 0x%lx\n", (long)CvMUTEXP(sv));
+ PerlIO_printf(Perl_debug_log, " OWNER = 0x%lx\n", (long)CvOWNER(sv));
+#endif /* USE_THREADS */
+ PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n",
+ (unsigned long)CvFLAGS(sv));
if (type == SVt_PVFM)
- fprintf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
+ PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)FmLINES(sv));
break;
case SVt_PVGV:
- fprintf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
- fprintf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
- fprintf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
- fprintf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
- fprintf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
- fprintf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
- fprintf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
- fprintf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
- fprintf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
- fprintf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
- fprintf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
- fprintf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
- fprintf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
- fprintf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
- fprintf(Perl_debug_log, " FLAGS = 0x%x\n", (int)GvFLAGS(sv));
- fprintf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
- fprintf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
+ PerlIO_printf(Perl_debug_log, " NAME = \"%s\"\n", GvNAME(sv));
+ PerlIO_printf(Perl_debug_log, " NAMELEN = %ld\n", (long)GvNAMELEN(sv));
+ PerlIO_printf(Perl_debug_log, " STASH = \"%s\"\n", HvNAME(GvSTASH(sv)));
+ PerlIO_printf(Perl_debug_log, " GP = 0x%lx\n", (long)GvGP(sv));
+ PerlIO_printf(Perl_debug_log, " SV = 0x%lx\n", (long)GvSV(sv));
+ PerlIO_printf(Perl_debug_log, " REFCNT = %ld\n", (long)GvREFCNT(sv));
+ PerlIO_printf(Perl_debug_log, " IO = 0x%lx\n", (long)GvIOp(sv));
+ PerlIO_printf(Perl_debug_log, " FORM = 0x%lx\n", (long)GvFORM(sv));
+ PerlIO_printf(Perl_debug_log, " AV = 0x%lx\n", (long)GvAV(sv));
+ PerlIO_printf(Perl_debug_log, " HV = 0x%lx\n", (long)GvHV(sv));
+ PerlIO_printf(Perl_debug_log, " CV = 0x%lx\n", (long)GvCV(sv));
+ PerlIO_printf(Perl_debug_log, " CVGEN = 0x%lx\n", (long)GvCVGEN(sv));
+ PerlIO_printf(Perl_debug_log, " LASTEXPR = %ld\n", (long)GvLASTEXPR(sv));
+ PerlIO_printf(Perl_debug_log, " LINE = %ld\n", (long)GvLINE(sv));
+ PerlIO_printf(Perl_debug_log, " FILEGV = 0x%lx\n", (long)GvFILEGV(sv));
+ PerlIO_printf(Perl_debug_log, " EGV = 0x%lx\n", (long)GvEGV(sv));
break;
case SVt_PVIO:
- fprintf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
- fprintf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
- fprintf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
- fprintf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
- fprintf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
- fprintf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
- fprintf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
- fprintf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
- fprintf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
- fprintf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
- fprintf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
- fprintf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
- fprintf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
- fprintf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
- fprintf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
- fprintf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
+ PerlIO_printf(Perl_debug_log, " IFP = 0x%lx\n", (long)IoIFP(sv));
+ PerlIO_printf(Perl_debug_log, " OFP = 0x%lx\n", (long)IoOFP(sv));
+ PerlIO_printf(Perl_debug_log, " DIRP = 0x%lx\n", (long)IoDIRP(sv));
+ PerlIO_printf(Perl_debug_log, " LINES = %ld\n", (long)IoLINES(sv));
+ PerlIO_printf(Perl_debug_log, " PAGE = %ld\n", (long)IoPAGE(sv));
+ PerlIO_printf(Perl_debug_log, " PAGE_LEN = %ld\n", (long)IoPAGE_LEN(sv));
+ PerlIO_printf(Perl_debug_log, " LINES_LEFT = %ld\n", (long)IoLINES_LEFT(sv));
+ PerlIO_printf(Perl_debug_log, " TOP_NAME = \"%s\"\n", IoTOP_NAME(sv));
+ PerlIO_printf(Perl_debug_log, " TOP_GV = 0x%lx\n", (long)IoTOP_GV(sv));
+ PerlIO_printf(Perl_debug_log, " FMT_NAME = \"%s\"\n", IoFMT_NAME(sv));
+ PerlIO_printf(Perl_debug_log, " FMT_GV = 0x%lx\n", (long)IoFMT_GV(sv));
+ PerlIO_printf(Perl_debug_log, " BOTTOM_NAME = \"%s\"\n", IoBOTTOM_NAME(sv));
+ PerlIO_printf(Perl_debug_log, " BOTTOM_GV = 0x%lx\n", (long)IoBOTTOM_GV(sv));
+ PerlIO_printf(Perl_debug_log, " SUBPROCESS = %ld\n", (long)IoSUBPROCESS(sv));
+ PerlIO_printf(Perl_debug_log, " TYPE = %c\n", IoTYPE(sv));
+ PerlIO_printf(Perl_debug_log, " FLAGS = 0x%lx\n", (long)IoFLAGS(sv));
break;
}
}
{
}
#endif
-
-IO*
-sv_2io(sv)
-SV *sv;
-{
- IO* io;
- GV* gv;
-
- switch (SvTYPE(sv)) {
- case SVt_PVIO:
- io = (IO*)sv;
- break;
- case SVt_PVGV:
- gv = (GV*)sv;
- io = GvIO(gv);
- if (!io)
- croak("Bad filehandle: %s", GvNAME(gv));
- break;
- default:
- if (!SvOK(sv))
- croak(no_usym, "filehandle");
- if (SvROK(sv))
- return sv_2io(SvRV(sv));
- gv = gv_fetchpv(SvPV(sv,na), FALSE, SVt_PVIO);
- if (gv)
- io = GvIO(gv);
- else
- io = 0;
- if (!io)
- croak("Bad filehandle: %s", SvPV(sv,na));
- break;
- }
- return io;
-}
-
https://perl5.git.perl.org / perl5.git / blobdiff