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));
+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 */
-#define new_SV() \
- if (sv_root) { \
- sv = sv_root; \
- sv_root = (SV*)SvANY(sv); \
+/*
+ * "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 uproot_SV(p) \
+ do { \
+ (p) = sv_root; \
+ sv_root = (SV*)SvANY(p); \
++sv_count; \
- } \
- else \
- sv = more_sv();
+ } 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) {
- PerlIO_printf(PerlIO_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) {
+ 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((PerlIO_printf(PerlIO_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(PerlIO_stderr(), "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((PerlIO_printf(PerlIO_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;
- }
- }
+
+void
+sv_clean_objs()
+{
+#ifndef DISABLE_DESTRUCTOR_KLUDGE
+ visit(do_clean_named_objs);
+#endif
+ visit(do_clean_objs);
+}
+
+static void
+do_clean_all(sv)
+SV* sv;
+{
+ DEBUG_D((PerlIO_printf(PerlIO_stderr(), "Cleaning loops:\n "), sv_dump(sv));)
+ SvFLAGS(sv) |= SVf_BREAK;
+ SvREFCNT_dec(sv);
}
static int in_clean_all = 0;
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((PerlIO_printf(Perl_debug_log, "Cleaning loops:\n "), sv_dump(sv));)
- SvFLAGS(sv) |= SVf_BREAK;
- SvREFCNT_dec(sv);
- }
- ++sv;
- }
- }
+ visit(do_clean_all);
in_clean_all = 0;
}
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);
break;
case SVt_PVLV:
- sv_upgrade(dstr, SVt_PVNV);
+ sv_upgrade(dstr, SVt_PVLV);
break;
case SVt_PVAV:
register char *ptr;
register STRLEN len;
{
- assert(len >= 0);
+ assert(len >= 0); /* STRLEN is probably unsigned, so this may
+ elicit a warning, but it won't hurt. */
if (SvTHINKFIRST(sv)) {
if (SvREADONLY(sv) && curcop != &compiling)
croak(no_modify);
{
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;
{
register SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = SVs_TEMP;
{
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;
{
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;
warn("semi-panic: attempt to dup freed string");
return Nullsv;
}
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 1;
SvFLAGS(sv) = 0;
SV *tmpsv;
ENTER;
tmpsv = NEWSV(704,0);
- gv_efullname(tmpsv, gv);
+ gv_efullname(tmpsv, gv, Nullch);
newSUB(start_subparse(),
newSVOP(OP_CONST, 0, tmpsv),
Nullop,
{
SV *sv;
- new_SV();
+ new_SV(sv);
SvANY(sv) = 0;
SvREFCNT(sv) = 0;
SvFLAGS(sv) = 0;
projects / p5sagit/p5-mst-13.2.git / blobdiff