Safefree(st);
}
-static void thing_size(pTHX_ const SV *const, struct state *);
+/* For now, this is somewhat a compatibility bodge until the plan comes
+ together for fine grained recursion control. total_size() would recurse into
+ hash and array members, whereas sv_size() would not. However, sv_size() is
+ called with CvSTASH() of a CV, which means that if it (also) starts to
+ recurse fully, then the size of any CV now becomes the size of the entire
+ symbol table reachable from it, and potentially the entire symbol table, if
+ any subroutine makes a reference to a global (such as %SIG). The historical
+ implementation of total_size() didn't report "everything", and changing the
+ only available size to "everything" doesn't feel at all useful. */
+
+#define NO_RECURSION 0
+#define SOME_RECURSION 1
+#define TOTAL_SIZE_RECURSION 2
+
+static bool sv_size(pTHX_ struct state *, const SV *const, const int recurse);
+
typedef enum {
OPc_NULL, /* 0 */
OPc_BASEOP, /* 1 */
static void
check_new_and_strlen(struct state *st, const char *const p) {
if(check_new(st, p))
- st->total_size += strlen(p);
+ st->total_size += 1 + strlen(p);
}
static void
regex_size(cPMOPx(baseop)->op_pmregexp, st);
#endif
TAG;break;
- case OPc_SVOP: TAG;
- st->total_size += sizeof(struct pmop);
- if (check_new(st, cSVOPx(baseop)->op_sv)) {
- thing_size(aTHX_ cSVOPx(baseop)->op_sv, st);
- }
- TAG;break;
+ case OPc_SVOP: TAG;
+ st->total_size += sizeof(struct pmop);
+ if (!(baseop->op_type == OP_AELEMFAST
+ && baseop->op_flags & OPf_SPECIAL)) {
+ /* not an OP_PADAV replacement */
+ sv_size(aTHX_ st, cSVOPx(baseop)->op_sv, SOME_RECURSION);
+ }
+ TAG;break;
case OPc_PADOP: TAG;
st->total_size += sizeof(struct padop);
TAG;break;
case OPc_PVOP: TAG;
check_new_and_strlen(st, cPVOPx(baseop)->op_pv);
+ TAG;break;
case OPc_LOOP: TAG;
st->total_size += sizeof(struct loop);
op_size(aTHX_ cLOOPx(baseop)->op_first, st);
check_new_and_strlen(st, basecop->cop_file);
check_new_and_strlen(st, basecop->cop_stashpv);
#else
- if (check_new(st, basecop->cop_stash)) {
- thing_size(aTHX_ (SV *)basecop->cop_stash, st);
- }
- if (check_new(st, basecop->cop_filegv)) {
- thing_size(aTHX_ (SV *)basecop->cop_filegv, st);
- }
+ sv_size(aTHX_ st, (SV *)basecop->cop_stash, SOME_RECURSION);
+ sv_size(aTHX_ st, (SV *)basecop->cop_filegv, SOME_RECURSION);
#endif
}
# define NEW_HEAD_LAYOUT
#endif
-static void
-thing_size(pTHX_ const SV * const orig_thing, struct state *st) {
+static bool
+sv_size(pTHX_ struct state *const st, const SV * const orig_thing,
+ const int recurse) {
const SV *thing = orig_thing;
+ if(!check_new(st, thing))
+ return FALSE;
+
st->total_size += sizeof(SV);
switch (SvTYPE(thing)) {
st->total_size += sizeof(IV);
# endif
#endif
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
TAG;break;
/* Is it a float? Like the int, it depends on purify */
case SVt_NV: TAG;
#ifndef NEW_HEAD_LAYOUT
st->total_size += sizeof(XRV);
#endif
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
TAG;break;
#endif
/* How about a plain string? In which case we need to add in how
much has been allocated */
case SVt_PV: TAG;
st->total_size += sizeof(XPV);
- if(SvROK(thing))
- thing_size(aTHX_ SvRV_const(thing), st);
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
else
st->total_size += SvLEN(thing);
TAG;break;
/* A string with an integer part? */
case SVt_PVIV: TAG;
st->total_size += sizeof(XPVIV);
- if(SvROK(thing))
- thing_size(aTHX_ SvRV_const(thing), st);
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
else
st->total_size += SvLEN(thing);
if(SvOOK(thing)) {
/* A scalar/string/reference with a float part? */
case SVt_PVNV: TAG;
st->total_size += sizeof(XPVNV);
- if(SvROK(thing))
- thing_size(aTHX_ SvRV_const(thing), st);
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
else
st->total_size += SvLEN(thing);
TAG;break;
case SVt_PVMG: TAG;
st->total_size += sizeof(XPVMG);
- if(SvROK(thing))
- thing_size(aTHX_ SvRV_const(thing), st);
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
else
st->total_size += SvLEN(thing);
magic_size(thing, st);
#if PERL_VERSION <= 8
case SVt_PVBM: TAG;
st->total_size += sizeof(XPVBM);
- if(SvROK(thing))
- thing_size(aTHX_ SvRV_const(thing), st);
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
else
st->total_size += SvLEN(thing);
magic_size(thing, st);
#endif
case SVt_PVLV: TAG;
st->total_size += sizeof(XPVLV);
- if(SvROK(thing))
- thing_size(aTHX_ SvRV_const(thing), st);
+ if(recurse && SvROK(thing))
+ sv_size(aTHX_ st, SvRV_const(thing), recurse);
else
st->total_size += SvLEN(thing);
magic_size(thing, st);
/* an array with 10 slots has AvMax() set to 9 - te 2007-04-22 */
st->total_size += sizeof(SV *) * (AvMAX(thing) + 1);
dbg_printf(("total_size: %li AvMAX: %li av_len: $i\n", st->total_size, AvMAX(thing), av_len((AV*)thing)));
+
+ if (recurse >= TOTAL_SIZE_RECURSION) {
+ SSize_t i = AvFILLp(thing) + 1;
+
+ while (i--)
+ sv_size(aTHX_ st, AvARRAY(thing)[i], recurse);
+ }
}
/* Add in the bits on the other side of the beginning */
Post 5.9.something this is stored in magic, so will be found there,
and Perl_av_arylen_p() takes a non-const AV*, hence compilers rightly
complain about AvARYLEN() passing thing to it. */
- if (AvARYLEN(thing)) {
- if (check_new(st, AvARYLEN(thing))) {
- thing_size(aTHX_ AvARYLEN(thing), st);
- }
- }
+ sv_size(aTHX_ st, AvARYLEN(thing), recurse);
#endif
magic_size(thing, st);
TAG;break;
st->total_size += HEK_BASESIZE + cur_entry->hent_hek->hek_len + 2;
}
}
+ if (recurse >= TOTAL_SIZE_RECURSION)
+ sv_size(aTHX_ st, HeVAL(cur_entry), recurse);
cur_entry = cur_entry->hent_next;
}
}
magic_size(thing, st);
st->total_size += ((XPVIO *) SvANY(thing))->xpv_len;
- if (check_new(st, CvSTASH(thing))) {
- thing_size(aTHX_ (SV *)CvSTASH(thing), st);
- }
- if (check_new(st, SvSTASH(thing))) {
- thing_size(aTHX_ (SV *)SvSTASH(thing), st);
- }
- if (check_new(st, CvGV(thing))) {
- thing_size(aTHX_ (SV *)CvGV(thing), st);
- }
- if (check_new(st, CvPADLIST(thing))) {
- thing_size(aTHX_ (SV *)CvPADLIST(thing), st);
- }
- if (check_new(st, CvOUTSIDE(thing))) {
- thing_size(aTHX_ (SV *)CvOUTSIDE(thing), st);
- }
+ sv_size(aTHX_ st, (SV *)CvSTASH(thing), SOME_RECURSION);
+ sv_size(aTHX_ st, (SV *)SvSTASH(thing), SOME_RECURSION);
+ sv_size(aTHX_ st, (SV *)CvGV(thing), SOME_RECURSION);
+ sv_size(aTHX_ st, (SV *)CvPADLIST(thing), SOME_RECURSION);
+ sv_size(aTHX_ st, (SV *)CvOUTSIDE(thing), recurse);
if (CvISXSUB(thing)) {
- SV *sv = cv_const_sv((CV *)thing);
- if (sv) {
- thing_size(aTHX_ sv, st);
- }
+ sv_size(aTHX_ st, cv_const_sv((CV *)thing), recurse);
} else {
op_size(aTHX_ CvSTART(thing), st);
op_size(aTHX_ CvROOT(thing), st);
case SVt_PVGV: TAG;
magic_size(thing, st);
st->total_size += sizeof(XPVGV);
- st->total_size += GvNAMELEN(thing);
+ if(isGV_with_GP(thing)) {
+ st->total_size += GvNAMELEN(thing);
#ifdef GvFILE
- /* Is there a file? */
- check_new_and_strlen(st, GvFILE(thing));
+ /* Is there a file? */
+ check_new_and_strlen(st, GvFILE(thing));
#endif
- /* Is there something hanging off the glob? */
- if (GvGP(thing)) {
- if (check_new(st, GvGP(thing))) {
- st->total_size += sizeof(GP);
- {
- SV *generic_thing;
- if ((generic_thing = (SV *)(GvGP(thing)->gp_sv))) {
- thing_size(aTHX_ generic_thing, st);
- }
- if ((generic_thing = (SV *)(GvGP(thing)->gp_form))) {
- thing_size(aTHX_ generic_thing, st);
- }
- if ((generic_thing = (SV *)(GvGP(thing)->gp_av))) {
- thing_size(aTHX_ generic_thing, st);
- }
- if ((generic_thing = (SV *)(GvGP(thing)->gp_hv))) {
- thing_size(aTHX_ generic_thing, st);
- }
- if ((generic_thing = (SV *)(GvGP(thing)->gp_egv))) {
- thing_size(aTHX_ generic_thing, st);
- }
- if ((generic_thing = (SV *)(GvGP(thing)->gp_cv))) {
- thing_size(aTHX_ generic_thing, st);
- }
- }
- }
+ /* Is there something hanging off the glob? */
+ if (check_new(st, GvGP(thing))) {
+ st->total_size += sizeof(GP);
+ sv_size(aTHX_ st, (SV *)(GvGP(thing)->gp_sv), recurse);
+ sv_size(aTHX_ st, (SV *)(GvGP(thing)->gp_form), recurse);
+ sv_size(aTHX_ st, (SV *)(GvGP(thing)->gp_av), recurse);
+ sv_size(aTHX_ st, (SV *)(GvGP(thing)->gp_hv), recurse);
+ sv_size(aTHX_ st, (SV *)(GvGP(thing)->gp_egv), recurse);
+ sv_size(aTHX_ st, (SV *)(GvGP(thing)->gp_cv), recurse);
+ }
}
TAG;break;
case SVt_PVFM: TAG;
st->total_size += sizeof(XPVFM);
magic_size(thing, st);
st->total_size += ((XPVIO *) SvANY(thing))->xpv_len;
- if (check_new(st, CvPADLIST(thing))) {
- thing_size(aTHX_ (SV *)CvPADLIST(thing), st);
- }
- if (check_new(st, CvOUTSIDE(thing))) {
- thing_size(aTHX_ (SV *)CvOUTSIDE(thing), st);
- }
+ sv_size(aTHX_ st, (SV *)CvPADLIST(thing), SOME_RECURSION);
+ sv_size(aTHX_ st, (SV *)CvOUTSIDE(thing), recurse);
if (st->go_yell && !st->fm_whine) {
carp("Devel::Size: Calculated sizes for FMs are incomplete");
check_new_and_strlen(st, ((XPVIO *) SvANY(thing))->xio_fmt_name);
check_new_and_strlen(st, ((XPVIO *) SvANY(thing))->xio_bottom_name);
/* Throw the GVs on the list to be walked if they're not-null */
- if (((XPVIO *) SvANY(thing))->xio_top_gv) {
- thing_size(aTHX_ (SV *)((XPVIO *) SvANY(thing))->xio_top_gv, st);
- }
- if (((XPVIO *) SvANY(thing))->xio_bottom_gv) {
- thing_size(aTHX_ (SV *)((XPVIO *) SvANY(thing))->xio_bottom_gv, st);
- }
- if (((XPVIO *) SvANY(thing))->xio_fmt_gv) {
- thing_size(aTHX_ (SV *)((XPVIO *) SvANY(thing))->xio_fmt_gv, st);
- }
+ sv_size(aTHX_ st, (SV *)((XPVIO *) SvANY(thing))->xio_top_gv, recurse);
+ sv_size(aTHX_ st, (SV *)((XPVIO *) SvANY(thing))->xio_bottom_gv, recurse);
+ sv_size(aTHX_ st, (SV *)((XPVIO *) SvANY(thing))->xio_fmt_gv, recurse);
/* Only go trotting through the IO structures if they're really
trottable. If USE_PERLIO is defined we can do this. If
default:
warn("Devel::Size: Unknown variable type: %d encountered\n", SvTYPE(thing) );
}
+ return TRUE;
}
static struct state *
if (NULL != (warn_flag = perl_get_sv("Devel::Size::dangle", FALSE))) {
st->dangle_whine = SvIV(warn_flag) ? TRUE : FALSE;
}
+ check_new(st, &PL_sv_undef);
+ check_new(st, &PL_sv_no);
+ check_new(st, &PL_sv_yes);
return st;
}
}
#endif
- thing_size(aTHX_ thing, st);
+ sv_size(aTHX_ st, thing, NO_RECURSION);
RETVAL = st->total_size;
free_state(st);
}
while (av_len(pending_array) >= 0) {
thing = av_pop(pending_array);
/* Process it if we've not seen it */
- if (check_new(st, thing)) {
+ if (sv_size(aTHX_ st, thing, TOTAL_SIZE_RECURSION)) {
dbg_printf(("# Found type %i at %p\n", SvTYPE(thing), thing));
- /* Is it valid? */
- if (thing) {
- /* Yes, it is. So let's check the type */
switch (SvTYPE(thing)) {
/* fix for bug #24846 (Does not correctly recurse into references in a PVNV-type scalar) */
case SVt_PVNV: TAG;
}
TAG;break;
- case SVt_PVAV: TAG;
- {
- AV *tempAV = (AV *)thing;
- SV **tempSV;
-
- dbg_printf(("# Found type AV\n"));
- /* Quick alias to cut down on casting */
-
- /* Any elements? */
- if (av_len(tempAV) != -1) {
- IV index;
- /* Run through them all */
- for (index = 0; index <= av_len(tempAV); index++) {
- /* Did we get something? */
- if ((tempSV = av_fetch(tempAV, index, 0))) {
- /* Was it undef? */
- if (*tempSV != &PL_sv_undef) {
- /* Apparently not. Save it for later */
- av_push(pending_array, *tempSV);
- }
- }
- }
- }
- }
- TAG;break;
-
- case SVt_PVHV: TAG;
- dbg_printf(("# Found type HV\n"));
- /* Is there anything in here? */
- if (hv_iterinit((HV *)thing)) {
- HE *temp_he;
- while ((temp_he = hv_iternext((HV *)thing))) {
- av_push(pending_array, hv_iterval((HV *)thing, temp_he));
- }
- }
- TAG;break;
-
- case SVt_PVGV: TAG;
- dbg_printf(("# Found type GV\n"));
- /* Run through all the pieces and push the ones with bits */
- if (GvSV(thing)) {
- av_push(pending_array, (SV *)GvSV(thing));
- }
- if (GvFORM(thing)) {
- av_push(pending_array, (SV *)GvFORM(thing));
- }
- if (GvAV(thing)) {
- av_push(pending_array, (SV *)GvAV(thing));
- }
- if (GvHV(thing)) {
- av_push(pending_array, (SV *)GvHV(thing));
- }
- if (GvCV(thing)) {
- av_push(pending_array, (SV *)GvCV(thing));
- }
- TAG;break;
default:
TAG;break;
- }
}
-
- thing_size(aTHX_ thing, st);
} else {
/* check_new() returned false: */
#ifdef DEVEL_SIZE_DEBUGGING