#include "perl.h"
#include "XSUB.h"
+static int regex_whine;
+static int fm_whine;
+
+#if 0 && defined(DEBUGGING)
+#define dbg_printf(x) printf x
+#else
+#define dbg_printf(x)
+#endif
+
#define carp puts
+UV thing_size(SV *, HV *);
+typedef enum {
+ OPc_NULL, /* 0 */
+ OPc_BASEOP, /* 1 */
+ OPc_UNOP, /* 2 */
+ OPc_BINOP, /* 3 */
+ OPc_LOGOP, /* 4 */
+ OPc_LISTOP, /* 5 */
+ OPc_PMOP, /* 6 */
+ OPc_SVOP, /* 7 */
+ OPc_PADOP, /* 8 */
+ OPc_PVOP, /* 9 */
+ OPc_LOOP, /* 10 */
+ OPc_COP /* 11 */
+} opclass;
+
+static opclass
+cc_opclass(OP *o)
+{
+ if (!o)
+ return OPc_NULL;
+
+ if (o->op_type == 0)
+ return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
+
+ if (o->op_type == OP_SASSIGN)
+ return ((o->op_private & OPpASSIGN_BACKWARDS) ? OPc_UNOP : OPc_BINOP);
+
+#ifdef USE_ITHREADS
+ if (o->op_type == OP_GV || o->op_type == OP_GVSV || o->op_type == OP_AELEMFAST)
+ return OPc_PADOP;
+#endif
+
+ if ((o->op_type = OP_TRANS)) {
+ return OPc_BASEOP;
+ }
+
+ switch (PL_opargs[o->op_type] & OA_CLASS_MASK) {
+ case OA_BASEOP:
+ return OPc_BASEOP;
+
+ case OA_UNOP:
+ return OPc_UNOP;
+
+ case OA_BINOP:
+ return OPc_BINOP;
+
+ case OA_LOGOP:
+ return OPc_LOGOP;
+
+ case OA_LISTOP:
+ return OPc_LISTOP;
+
+ case OA_PMOP:
+ return OPc_PMOP;
+
+ case OA_SVOP:
+ return OPc_SVOP;
+
+ case OA_PADOP:
+ return OPc_PADOP;
+
+ case OA_PVOP_OR_SVOP:
+ /*
+ * Character translations (tr///) are usually a PVOP, keeping a
+ * pointer to a table of shorts used to look up translations.
+ * Under utf8, however, a simple table isn't practical; instead,
+ * the OP is an SVOP, and the SV is a reference to a swash
+ * (i.e., an RV pointing to an HV).
+ */
+ return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
+ ? OPc_SVOP : OPc_PVOP;
+
+ case OA_LOOP:
+ return OPc_LOOP;
+
+ case OA_COP:
+ return OPc_COP;
+
+ case OA_BASEOP_OR_UNOP:
+ /*
+ * UNI(OP_foo) in toke.c returns token UNI or FUNC1 depending on
+ * whether parens were seen. perly.y uses OPf_SPECIAL to
+ * signal whether a BASEOP had empty parens or none.
+ * Some other UNOPs are created later, though, so the best
+ * test is OPf_KIDS, which is set in newUNOP.
+ */
+ return (o->op_flags & OPf_KIDS) ? OPc_UNOP : OPc_BASEOP;
+
+ case OA_FILESTATOP:
+ /*
+ * The file stat OPs are created via UNI(OP_foo) in toke.c but use
+ * the OPf_REF flag to distinguish between OP types instead of the
+ * usual OPf_SPECIAL flag. As usual, if OPf_KIDS is set, then we
+ * return OPc_UNOP so that walkoptree can find our children. If
+ * OPf_KIDS is not set then we check OPf_REF. Without OPf_REF set
+ * (no argument to the operator) it's an OP; with OPf_REF set it's
+ * an SVOP (and op_sv is the GV for the filehandle argument).
+ */
+ return ((o->op_flags & OPf_KIDS) ? OPc_UNOP :
+#ifdef USE_ITHREADS
+ (o->op_flags & OPf_REF) ? OPc_PADOP : OPc_BASEOP);
+#else
+ (o->op_flags & OPf_REF) ? OPc_SVOP : OPc_BASEOP);
+#endif
+ case OA_LOOPEXOP:
+ /*
+ * next, last, redo, dump and goto use OPf_SPECIAL to indicate that a
+ * label was omitted (in which case it's a BASEOP) or else a term was
+ * seen. In this last case, all except goto are definitely PVOP but
+ * goto is either a PVOP (with an ordinary constant label), an UNOP
+ * with OPf_STACKED (with a non-constant non-sub) or an UNOP for
+ * OP_REFGEN (with goto &sub) in which case OPf_STACKED also seems to
+ * get set.
+ */
+ if (o->op_flags & OPf_STACKED)
+ return OPc_UNOP;
+ else if (o->op_flags & OPf_SPECIAL)
+ return OPc_BASEOP;
+ else
+ return OPc_PVOP;
+ }
+ warn("can't determine class of operator %s, assuming BASEOP\n",
+ PL_op_name[o->op_type]);
+ return OPc_BASEOP;
+}
+
#if !defined(NV)
#define NV double
#endif
+static int go_yell = 1;
+
/* Checks to see if thing is in the hash. Returns true or false, and
notes thing in the hash.
pointer as the length. Perl then uses the four (or eight, on
64-bit machines) bytes of the address as the string we're using as
the key */
-IV check_new(HV *tracking_hash, void *thing) {
+IV check_new(HV *tracking_hash, const void *thing) {
+ if (NULL == thing || NULL == tracking_hash) {
+ return FALSE;
+ }
if (hv_exists(tracking_hash, (char *)&thing, sizeof(void *))) {
return FALSE;
}
- hv_store(tracking_hash, (char *)&thing, sizeof(void *), &PL_sv_undef, 0);
+ hv_store(tracking_hash, (char *)&thing, sizeof(void *), &PL_sv_yes, 0);
return TRUE;
-
}
/* Figure out how much magic is attached to the SV and return the
return total_size;
}
+UV regex_size(REGEXP *baseregex, HV *tracking_hash) {
+ UV total_size = 0;
+
+ total_size += sizeof(REGEXP);
+#if (PERL_VERSION < 11)
+ /* Note the size of the paren offset thing */
+ total_size += sizeof(I32) * baseregex->nparens * 2;
+ total_size += strlen(baseregex->precomp);
+#else
+ total_size += sizeof(struct regexp);
+ total_size += sizeof(I32) * SvANY(baseregex)->nparens * 2;
+ /*total_size += strlen(SvANY(baseregex)->subbeg);*/
+#endif
+ if (go_yell && !regex_whine) {
+ carp("Devel::Size: Calculated sizes for compiled regexes are incompatible, and probably always will be");
+ regex_whine = 1;
+ }
+
+ return total_size;
+}
+
+UV op_size(OP *baseop, HV *tracking_hash) {
+ UV total_size = 0;
+
+ if (check_new(tracking_hash, baseop->op_next)) {
+ total_size += op_size(baseop->op_next, tracking_hash);
+ }
+
+ switch (cc_opclass(baseop)) {
+ case OPc_BASEOP:
+ total_size += sizeof(struct op);
+ break;
+ case OPc_UNOP:
+ total_size += sizeof(struct unop);
+ if (check_new(tracking_hash, cUNOPx(baseop)->op_first)) {
+ total_size += op_size(cUNOPx(baseop)->op_first, tracking_hash);
+ }
+ break;
+ case OPc_BINOP:
+ total_size += sizeof(struct binop);
+ if (check_new(tracking_hash, cBINOPx(baseop)->op_first)) {
+ total_size += op_size(cBINOPx(baseop)->op_first, tracking_hash);
+ }
+ if (check_new(tracking_hash, cBINOPx(baseop)->op_last)) {
+ total_size += op_size(cBINOPx(baseop)->op_last, tracking_hash);
+ }
+ break;
+ case OPc_LOGOP:
+ total_size += sizeof(struct logop);
+ if (check_new(tracking_hash, cLOGOPx(baseop)->op_first)) {
+ total_size += op_size(cBINOPx(baseop)->op_first, tracking_hash);
+ }
+ if (check_new(tracking_hash, cLOGOPx(baseop)->op_other)) {
+ total_size += op_size(cLOGOPx(baseop)->op_other, tracking_hash);
+ }
+ break;
+ case OPc_LISTOP:
+ total_size += sizeof(struct listop);
+ if (check_new(tracking_hash, cLISTOPx(baseop)->op_first)) {
+ total_size += op_size(cLISTOPx(baseop)->op_first, tracking_hash);
+ }
+ if (check_new(tracking_hash, cLISTOPx(baseop)->op_last)) {
+ total_size += op_size(cLISTOPx(baseop)->op_last, tracking_hash);
+ }
+ break;
+ case OPc_PMOP:
+ total_size += sizeof(struct pmop);
+ if (check_new(tracking_hash, cPMOPx(baseop)->op_first)) {
+ total_size += op_size(cPMOPx(baseop)->op_first, tracking_hash);
+ }
+ if (check_new(tracking_hash, cPMOPx(baseop)->op_last)) {
+ total_size += op_size(cPMOPx(baseop)->op_last, tracking_hash);
+ }
+#if PERL_VERSION < 9 || (PERL_VERSION == 9 && PERL_SUBVERSION < 5)
+ if (check_new(tracking_hash, cPMOPx(baseop)->op_pmreplroot)) {
+ total_size += op_size(cPMOPx(baseop)->op_pmreplroot, tracking_hash);
+ }
+ if (check_new(tracking_hash, cPMOPx(baseop)->op_pmreplstart)) {
+ total_size += op_size(cPMOPx(baseop)->op_pmreplstart, tracking_hash);
+ }
+ if (check_new(tracking_hash, cPMOPx(baseop)->op_pmnext)) {
+ total_size += op_size((OP *)cPMOPx(baseop)->op_pmnext, tracking_hash);
+ }
+#endif
+ /* This is defined away in perl 5.8.x, but it is in there for
+ 5.6.x */
+#ifdef PM_GETRE
+ if (check_new(tracking_hash, PM_GETRE((cPMOPx(baseop))))) {
+ total_size += regex_size(PM_GETRE(cPMOPx(baseop)), tracking_hash);
+ }
+#else
+ if (check_new(tracking_hash, cPMOPx(baseop)->op_pmregexp)) {
+ total_size += regex_size(cPMOPx(baseop)->op_pmregexp, tracking_hash);
+ }
+#endif
+ break;
+ case OPc_SVOP:
+ total_size += sizeof(struct pmop);
+ if (check_new(tracking_hash, cSVOPx(baseop)->op_sv)) {
+ total_size += thing_size(cSVOPx(baseop)->op_sv, tracking_hash);
+ }
+ break;
+ case OPc_PADOP:
+ total_size += sizeof(struct padop);
+ break;
+ case OPc_PVOP:
+ if (check_new(tracking_hash, cPVOPx(baseop)->op_pv)) {
+ total_size += strlen(cPVOPx(baseop)->op_pv);
+ }
+ case OPc_LOOP:
+ total_size += sizeof(struct loop);
+ if (check_new(tracking_hash, cLOOPx(baseop)->op_first)) {
+ total_size += op_size(cLOOPx(baseop)->op_first, tracking_hash);
+ }
+ if (check_new(tracking_hash, cLOOPx(baseop)->op_last)) {
+ total_size += op_size(cLOOPx(baseop)->op_last, tracking_hash);
+ }
+ if (check_new(tracking_hash, cLOOPx(baseop)->op_redoop)) {
+ total_size += op_size(cLOOPx(baseop)->op_redoop, tracking_hash);
+ }
+ if (check_new(tracking_hash, cLOOPx(baseop)->op_nextop)) {
+ total_size += op_size(cLOOPx(baseop)->op_nextop, tracking_hash);
+ }
+ /* Not working for some reason, but the code's here for later
+ fixing
+ if (check_new(tracking_hash, cLOOPx(baseop)->op_lastop)) {
+ total_size += op_size(cLOOPx(baseop)->op_lastop, tracking_hash);
+ }
+ */
+ break;
+ case OPc_COP:
+ {
+ COP *basecop;
+ basecop = (COP *)baseop;
+ total_size += sizeof(struct cop);
+
+ /* Change 33656 by nicholas@mouse-mill on 2008/04/07 11:29:51
+ Eliminate cop_label from struct cop by storing a label as the first
+ entry in the hints hash. Most statements don't have labels, so this
+ will save memory. Not sure how much.
+ The check below will be incorrect fail on bleadperls
+ before 5.11 @33656, but later than 5.10, producing slightly too
+ small memory sizes on these Perls. */
+#if (PERL_VERSION < 11)
+ if (check_new(tracking_hash, basecop->cop_label)) {
+ total_size += strlen(basecop->cop_label);
+ }
+#endif
+#ifdef USE_ITHREADS
+ if (check_new(tracking_hash, basecop->cop_file)) {
+ total_size += strlen(basecop->cop_file);
+ }
+ if (check_new(tracking_hash, basecop->cop_stashpv)) {
+ total_size += strlen(basecop->cop_stashpv);
+ }
+#else
+ if (check_new(tracking_hash, basecop->cop_stash)) {
+ total_size += thing_size((SV *)basecop->cop_stash, tracking_hash);
+ }
+ if (check_new(tracking_hash, basecop->cop_filegv)) {
+ total_size += thing_size((SV *)basecop->cop_filegv, tracking_hash);
+ }
+#endif
+
+ }
+ break;
+ default:
+ break;
+ }
+ return total_size;
+}
+
+#if PERL_VERSION > 9 || (PERL_VERSION == 9 && PERL_SUBVERSION > 2)
+# define NEW_HEAD_LAYOUT
+#endif
UV thing_size(SV *orig_thing, HV *tracking_hash) {
SV *thing = orig_thing;
UV total_size = sizeof(SV);
-
+
switch (SvTYPE(thing)) {
/* Is it undef? */
case SVt_NULL:
/* Just a plain integer. This will be differently sized depending
on whether purify's been compiled in */
case SVt_IV:
-#ifdef PURIFY
+#ifndef NEW_HEAD_LAYOUT
+# ifdef PURIFY
total_size += sizeof(sizeof(XPVIV));
-#else
+# else
total_size += sizeof(IV);
+# endif
#endif
break;
/* Is it a float? Like the int, it depends on purify */
total_size += sizeof(NV);
#endif
break;
+#if (PERL_VERSION < 11)
/* Is it a reference? */
case SVt_RV:
+#ifndef NEW_HEAD_LAYOUT
total_size += sizeof(XRV);
+#endif
break;
+#endif
/* How about a plain string? In which case we need to add in how
much has been allocated */
case SVt_PV:
total_size += sizeof(XPV);
+#if (PERL_VERSION < 11)
+ total_size += SvROK(thing) ? thing_size( SvRV(thing), tracking_hash) : SvLEN(thing);
+#else
total_size += SvLEN(thing);
+#endif
break;
/* A string with an integer part? */
case SVt_PVIV:
total_size += sizeof(XPVIV);
+#if (PERL_VERSION < 11)
+ total_size += SvROK(thing) ? thing_size( SvRV(thing), tracking_hash) : SvLEN(thing);
+#else
total_size += SvLEN(thing);
+#endif
+ if(SvOOK(thing)) {
+ total_size += SvIVX(thing);
+ }
break;
- /* A string with a float part? */
+ /* A scalar/string/reference with a float part? */
case SVt_PVNV:
total_size += sizeof(XPVNV);
+#if (PERL_VERSION < 11)
+ total_size += SvROK(thing) ? thing_size( SvRV(thing), tracking_hash) : SvLEN(thing);
+#else
total_size += SvLEN(thing);
+#endif
break;
case SVt_PVMG:
total_size += sizeof(XPVMG);
+#if (PERL_VERSION < 11)
+ total_size += SvROK(thing) ? thing_size( SvRV(thing), tracking_hash) : SvLEN(thing);
+#else
total_size += SvLEN(thing);
+#endif
total_size += magic_size(thing, tracking_hash);
break;
+#if PERL_VERSION <= 8
case SVt_PVBM:
total_size += sizeof(XPVBM);
+#if (PERL_VERSION < 11)
+ total_size += SvROK(thing) ? thing_size( SvRV(thing), tracking_hash) : SvLEN(thing);
+#else
total_size += SvLEN(thing);
+#endif
total_size += magic_size(thing, tracking_hash);
break;
+#endif
case SVt_PVLV:
total_size += sizeof(XPVLV);
+#if (PERL_VERSION < 11)
+ total_size += SvROK(thing) ? thing_size( SvRV(thing), tracking_hash) : SvLEN(thing);
+#else
total_size += SvLEN(thing);
+#endif
total_size += magic_size(thing, tracking_hash);
break;
/* How much space is dedicated to the array? Not counting the
total_size += sizeof(XPVAV);
/* Is there anything in the array? */
if (AvMAX(thing) != -1) {
- total_size += sizeof(SV *) * AvMAX(thing);
+ /* an array with 10 slots has AvMax() set to 9 - te 2007-04-22 */
+ total_size += sizeof(SV *) * (AvMAX(thing) + 1);
+ dbg_printf(("total_size: %li AvMAX: %li av_len: $i\n", total_size, AvMAX(thing), av_len((AV*)thing)));
}
/* Add in the bits on the other side of the beginning */
- total_size += (sizeof(SV *) * (AvARRAY(thing) - AvALLOC(thing)));
+
+ dbg_printf(("total_size %li, sizeof(SV *) %li, AvARRAY(thing) %li, AvALLOC(thing)%li , sizeof(ptr) %li \n",
+ total_size, sizeof(SV*), AvARRAY(thing), AvALLOC(thing), sizeof( thing )));
+
+ /* under Perl 5.8.8 64bit threading, AvARRAY(thing) was a pointer while AvALLOC was 0,
+ resulting in grossly overstated sized for arrays. Technically, this shouldn't happen... */
+ if (AvALLOC(thing) != 0) {
+ total_size += (sizeof(SV *) * (AvARRAY(thing) - AvALLOC(thing)));
+ }
/* Is there something hanging off the arylen element? */
if (AvARYLEN(thing)) {
if (check_new(tracking_hash, AvARYLEN(thing))) {
if (cur_entry->hent_hek) {
/* Hash keys can be shared. Have we seen this before? */
if (check_new(tracking_hash, cur_entry->hent_hek)) {
- total_size += sizeof(HEK);
- total_size += cur_entry->hent_hek->hek_len - 1;
+ total_size += HEK_BASESIZE + cur_entry->hent_hek->hek_len + 2;
}
}
cur_entry = cur_entry->hent_next;
break;
case SVt_PVCV:
total_size += sizeof(XPVCV);
- carp("CV isn't complete");
+ total_size += magic_size(thing, tracking_hash);
+
+ total_size += ((XPVIO *) SvANY(thing))->xpv_len;
+ if (check_new(tracking_hash, CvSTASH(thing))) {
+ total_size += thing_size((SV *)CvSTASH(thing), tracking_hash);
+ }
+ if (check_new(tracking_hash, SvSTASH(thing))) {
+ total_size += thing_size((SV *)SvSTASH(thing), tracking_hash);
+ }
+ if (check_new(tracking_hash, CvGV(thing))) {
+ total_size += thing_size((SV *)CvGV(thing), tracking_hash);
+ }
+ if (check_new(tracking_hash, CvPADLIST(thing))) {
+ total_size += thing_size((SV *)CvPADLIST(thing), tracking_hash);
+ }
+ if (check_new(tracking_hash, CvOUTSIDE(thing))) {
+ total_size += thing_size((SV *)CvOUTSIDE(thing), tracking_hash);
+ }
+
+ if (check_new(tracking_hash, CvSTART(thing))) {
+ total_size += op_size(CvSTART(thing), tracking_hash);
+ }
+ if (check_new(tracking_hash, CvROOT(thing))) {
+ total_size += op_size(CvROOT(thing), tracking_hash);
+ }
+
break;
case SVt_PVGV:
+ total_size += magic_size(thing, tracking_hash);
total_size += sizeof(XPVGV);
- carp("GC isn't complete");
+ total_size += GvNAMELEN(thing);
+#ifdef GvFILE
+ /* Is there a file? */
+ if (GvFILE(thing)) {
+ if (check_new(tracking_hash, GvFILE(thing))) {
+ total_size += strlen(GvFILE(thing));
+ }
+ }
+#endif
+ /* Is there something hanging off the glob? */
+ if (GvGP(thing)) {
+ if (check_new(tracking_hash, GvGP(thing))) {
+ total_size += sizeof(GP);
+ {
+ SV *generic_thing;
+ if ((generic_thing = (SV *)(GvGP(thing)->gp_sv))) {
+ total_size += thing_size(generic_thing, tracking_hash);
+ }
+ if ((generic_thing = (SV *)(GvGP(thing)->gp_form))) {
+ total_size += thing_size(generic_thing, tracking_hash);
+ }
+ if ((generic_thing = (SV *)(GvGP(thing)->gp_av))) {
+ total_size += thing_size(generic_thing, tracking_hash);
+ }
+ if ((generic_thing = (SV *)(GvGP(thing)->gp_hv))) {
+ total_size += thing_size(generic_thing, tracking_hash);
+ }
+ if ((generic_thing = (SV *)(GvGP(thing)->gp_egv))) {
+ total_size += thing_size(generic_thing, tracking_hash);
+ }
+ if ((generic_thing = (SV *)(GvGP(thing)->gp_cv))) {
+ total_size += thing_size(generic_thing, tracking_hash);
+ }
+ }
+ }
+ }
break;
case SVt_PVFM:
total_size += sizeof(XPVFM);
- carp("FM isn't complete");
+ total_size += magic_size(thing, tracking_hash);
+ total_size += ((XPVIO *) SvANY(thing))->xpv_len;
+ if (check_new(tracking_hash, CvPADLIST(thing))) {
+ total_size += thing_size((SV *)CvPADLIST(thing), tracking_hash);
+ }
+ if (check_new(tracking_hash, CvOUTSIDE(thing))) {
+ total_size += thing_size((SV *)CvOUTSIDE(thing), tracking_hash);
+ }
+
+ if (go_yell && !fm_whine) {
+ carp("Devel::Size: Calculated sizes for FMs are incomplete");
+ fm_whine = 1;
+ }
break;
case SVt_PVIO:
total_size += sizeof(XPVIO);
- carp("IO isn't complete");
+ total_size += magic_size(thing, tracking_hash);
+ if (check_new(tracking_hash, (SvPVX(thing)))) {
+ total_size += ((XPVIO *) SvANY(thing))->xpv_cur;
+ }
+ /* Some embedded char pointers */
+ if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_top_name)) {
+ total_size += strlen(((XPVIO *) SvANY(thing))->xio_top_name);
+ }
+ if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_fmt_name)) {
+ total_size += strlen(((XPVIO *) SvANY(thing))->xio_fmt_name);
+ }
+ if (check_new(tracking_hash, ((XPVIO *) SvANY(thing))->xio_bottom_name)) {
+ total_size += strlen(((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) {
+ total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_top_gv,
+ tracking_hash);
+ }
+ if (((XPVIO *) SvANY(thing))->xio_bottom_gv) {
+ total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_bottom_gv,
+ tracking_hash);
+ }
+ if (((XPVIO *) SvANY(thing))->xio_fmt_gv) {
+ total_size += thing_size((SV *)((XPVIO *) SvANY(thing))->xio_fmt_gv,
+ tracking_hash);
+ }
+
+ /* Only go trotting through the IO structures if they're really
+ trottable. If USE_PERLIO is defined we can do this. If
+ not... we can't, so we don't even try */
+#ifdef USE_PERLIO
+ /* Dig into xio_ifp and xio_ofp here */
+ croak("Devel::Size: Can't size up perlio layers yet");
+#endif
break;
default:
- croak("Unknown variable type");
+ croak("Devel::Size: Unknown variable type");
}
return total_size;
}
-
MODULE = Devel::Size PACKAGE = Devel::Size
+PROTOTYPES: DISABLE
+
IV
size(orig_thing)
SV *orig_thing
SV *thing = orig_thing;
/* Hash to track our seen pointers */
HV *tracking_hash = newHV();
+ SV *warn_flag;
+
+ /* Check warning status */
+ go_yell = 0;
+ regex_whine = 0;
+ fm_whine = 0;
+ if (NULL != (warn_flag = perl_get_sv("Devel::Size::warn", FALSE))) {
+ go_yell = SvIV(warn_flag);
+ }
+
/* If they passed us a reference then dereference it. This is the
only way we can check the sizes of arrays and hashes */
+#if (PERL_VERSION < 11)
if (SvOK(thing) && SvROK(thing)) {
thing = SvRV(thing);
}
-
+#else
+ if (SvROK(thing)) {
+ thing = SvRV(thing);
+ }
+#endif
+
RETVAL = thing_size(thing, tracking_hash);
/* Clean up after ourselves */
SvREFCNT_dec(tracking_hash);
{
SV *thing = orig_thing;
/* Hash to track our seen pointers */
- HV *tracking_hash = newHV();
- AV *pending_array = newAV();
+ HV *tracking_hash;
+ /* Array with things we still need to do */
+ AV *pending_array;
+ IV size = 0;
+ SV *warn_flag;
/* Size starts at zero */
RETVAL = 0;
- /* If they passed us a reference then dereference it. This is the
- only way we can check the sizes of arrays and hashes */
- if (SvOK(thing) && SvROK(thing)) {
- thing = SvRV(thing);
+ /* Check warning status */
+ go_yell = 0;
+ regex_whine = 0;
+ fm_whine = 0;
+
+ if (NULL != (warn_flag = perl_get_sv("Devel::Size::warn", FALSE))) {
+ go_yell = SvIV(warn_flag);
}
+ /* init these after the go_yell above */
+ tracking_hash = newHV();
+ pending_array = newAV();
+
+ /* We cannot push HV/AV directly, only the RV. So deref it
+ later (see below for "*** dereference later") and adjust here for
+ the miscalculation.
+ This is the only way we can check the sizes of arrays and hashes. */
+ if (SvROK(thing)) {
+ RETVAL -= thing_size(thing, NULL);
+ }
+
/* Put it on the pending array */
av_push(pending_array, thing);
thing = av_pop(pending_array);
/* Process it if we've not seen it */
if (check_new(tracking_hash, thing)) {
+ 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)) {
- case SVt_RV:
- av_push(pending_array, SvRV(thing));
+ /* fix for bug #24846 (Does not correctly recurse into references in a PVNV-type scalar) */
+ case SVt_PVNV:
+ if (SvROK(thing))
+ {
+ av_push(pending_array, SvRV(thing));
+ }
break;
+ /* this is the "*** dereference later" part - see above */
+#if (PERL_VERSION < 11)
+ case SVt_RV:
+#else
+ case SVt_IV:
+#endif
+ dbg_printf(("# Found RV\n"));
+ if (SvROK(thing)) {
+ dbg_printf(("# Found RV\n"));
+ av_push(pending_array, SvRV(thing));
+ }
+ break;
+
case SVt_PVAV:
{
+ dbg_printf(("# Found type AV\n"));
/* Quick alias to cut down on casting */
AV *tempAV = (AV *)thing;
SV **tempSV;
/* Run through them all */
for (index = 0; index <= av_len(tempAV); index++) {
/* Did we get something? */
- if (tempSV = av_fetch(tempAV, index, 0)) {
+ if ((tempSV = av_fetch(tempAV, index, 0))) {
/* Was it undef? */
if (*tempSV != &PL_sv_undef) {
/* Apparently not. Save it for later */
break;
case SVt_PVHV:
+ dbg_printf(("# Found type HV\n"));
/* Is there anything in here? */
if (hv_iterinit((HV *)thing)) {
- SV *temp_thing;
- while (&PL_sv_undef !=
- (temp_thing = hv_iternextsv((HV *)thing, NULL, NULL))) {
- av_push(pending_array, temp_thing);
+ HE *temp_he;
+ while ((temp_he = hv_iternext((HV *)thing))) {
+ av_push(pending_array, hv_iterval((HV *)thing, temp_he));
}
}
break;
+ case SVt_PVGV:
+ 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));
+ }
+ break;
default:
break;
}
}
- RETVAL += thing_size(thing, tracking_hash);
+
+ size = thing_size(thing, tracking_hash);
+ RETVAL += size;
+ } else {
+ /* check_new() returned false: */
+#ifdef DEVEL_SIZE_DEBUGGING
+ if (SvOK(sv)) printf("# Ignore ref copy 0x%x\n", sv);
+ else printf("# Ignore non-sv 0x%x\n", sv);
+#endif
}
- }
+ } /* end while */
/* Clean up after ourselves */
SvREFCNT_dec(tracking_hash);
projects / p5sagit/Devel-Size.git / blobdiff