+/* -*- mode: C -*- */
+
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#ifndef SvRV_const
# define SvRV_const(rv) SvRV(rv)
#endif
+#ifndef SvOOK_offset
+# define SvOOK_offset(sv, len) STMT_START { len = SvIVX(sv); } STMT_END
+#endif
+#ifndef SvIsCOW
+# define SvIsCOW(sv) ((SvFLAGS(sv) & (SVf_FAKE | SVf_READONLY)) == \
+ (SVf_FAKE | SVf_READONLY))
+#endif
+#ifndef SvIsCOW_shared_hash
+# define SvIsCOW_shared_hash(sv) (SvIsCOW(sv) && SvLEN(sv) == 0)
+#endif
+#ifndef SvSHARED_HEK_FROM_PV
+# define SvSHARED_HEK_FROM_PV(pvx) \
+ ((struct hek*)(pvx - STRUCT_OFFSET(struct hek, hek_key)))
+#endif
+
+#if PERL_VERSION < 6
+# define PL_opargs opargs
+# define PL_op_name op_name
+#endif
#ifdef _MSC_VER
/* "structured exception" handling is a Microsoft extension to C and C++.
functionality on other platforms. */
# include <excpt.h>
# define TRY_TO_CATCH_SEGV __try
-# define CAUGHT_EXCEPTION __except(EXCEPTION EXCEPTION_EXECUTE_HANDLER)
+# define CAUGHT_EXCEPTION __except(EXCEPTION_EXECUTE_HANDLER)
#else
# define TRY_TO_CATCH_SEGV if(1)
# define CAUGHT_EXCEPTION else
/* Nodes */
do {
if (tv[i]) {
- free_tracking_at(tv[i], level);
+ free_tracking_at((void **) tv[i], level);
Safefree(tv[i]);
}
} while (i--);
#define SOME_RECURSION 1
#define TOTAL_SIZE_RECURSION 2
-static bool sv_size(pTHX_ struct state *, const SV *const, const int recurse);
+static void sv_size(pTHX_ struct state *, const SV *const, const int recurse);
typedef enum {
OPc_NULL, /* 0 */
OPc_PVOP, /* 9 */
OPc_LOOP, /* 10 */
OPc_COP /* 11 */
+#ifdef OA_CONDOP
+ , OPc_CONDOP /* 12 */
+#endif
+#ifdef OA_GVOP
+ , OPc_GVOP /* 13 */
+#endif
+
} opclass;
static opclass
case OA_SVOP: TAG;
return OPc_SVOP;
+#ifdef OA_PADOP
case OA_PADOP: TAG;
return OPc_PADOP;
+#endif
+#ifdef OA_GVOP
+ case OA_GVOP: TAG;
+ return OPc_GVOP;
+#endif
+
+#ifdef OA_PVOP_OR_SVOP
case OA_PVOP_OR_SVOP: TAG;
/*
* Character translations (tr///) are usually a PVOP, keeping a
*/
return (o->op_private & (OPpTRANS_TO_UTF|OPpTRANS_FROM_UTF))
? OPc_SVOP : OPc_PVOP;
+#endif
case OA_LOOP: TAG;
return OPc_LOOP;
return OPc_BASEOP;
else
return OPc_PVOP;
+
+#ifdef OA_CONDOP
+ case OA_CONDOP: TAG;
+ return OPc_CONDOP;
+#endif
}
warn("Devel::Size: 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
-
/* Figure out how much magic is attached to the SV and return the
size */
static void
/* Have we seen the magic pointer? (NULL has always been seen before) */
while (check_new(st, magic_pointer)) {
st->total_size += sizeof(MAGIC);
+ /* magic vtables aren't freed when magic is freed, so don't count them.
+ (They are static structures. Anything that assumes otherwise is buggy.)
+ */
+
TRY_TO_CATCH_SEGV {
- /* Have we seen the magic vtable? */
- if (check_new(st, magic_pointer->mg_virtual)) {
- st->total_size += sizeof(MGVTBL);
- }
sv_size(aTHX_ st, magic_pointer->mg_obj, TOTAL_SIZE_RECURSION);
if (magic_pointer->mg_len == HEf_SVKEY) {
sv_size(aTHX_ st, (SV *)magic_pointer->mg_ptr, TOTAL_SIZE_RECURSION);
TAG;break;
case OPc_UNOP: TAG;
st->total_size += sizeof(struct unop);
- op_size(aTHX_ cUNOPx(baseop)->op_first, st);
+ op_size(aTHX_ ((UNOP *)baseop)->op_first, st);
TAG;break;
case OPc_BINOP: TAG;
st->total_size += sizeof(struct binop);
- op_size(aTHX_ cBINOPx(baseop)->op_first, st);
- op_size(aTHX_ cBINOPx(baseop)->op_last, st);
+ op_size(aTHX_ ((BINOP *)baseop)->op_first, st);
+ op_size(aTHX_ ((BINOP *)baseop)->op_last, st);
TAG;break;
case OPc_LOGOP: TAG;
st->total_size += sizeof(struct logop);
- op_size(aTHX_ cBINOPx(baseop)->op_first, st);
- op_size(aTHX_ cLOGOPx(baseop)->op_other, st);
+ op_size(aTHX_ ((BINOP *)baseop)->op_first, st);
+ op_size(aTHX_ ((LOGOP *)baseop)->op_other, st);
TAG;break;
+#ifdef OA_CONDOP
+ case OPc_CONDOP: TAG;
+ st->total_size += sizeof(struct condop);
+ op_size(aTHX_ ((BINOP *)baseop)->op_first, st);
+ op_size(aTHX_ ((CONDOP *)baseop)->op_true, st);
+ op_size(aTHX_ ((CONDOP *)baseop)->op_false, st);
+ TAG;break;
+#endif
case OPc_LISTOP: TAG;
st->total_size += sizeof(struct listop);
- op_size(aTHX_ cLISTOPx(baseop)->op_first, st);
- op_size(aTHX_ cLISTOPx(baseop)->op_last, st);
+ op_size(aTHX_ ((LISTOP *)baseop)->op_first, st);
+ op_size(aTHX_ ((LISTOP *)baseop)->op_last, st);
TAG;break;
case OPc_PMOP: TAG;
st->total_size += sizeof(struct pmop);
- op_size(aTHX_ cPMOPx(baseop)->op_first, st);
- op_size(aTHX_ cPMOPx(baseop)->op_last, st);
+ op_size(aTHX_ ((PMOP *)baseop)->op_first, st);
+ op_size(aTHX_ ((PMOP *)baseop)->op_last, st);
#if PERL_VERSION < 9 || (PERL_VERSION == 9 && PERL_SUBVERSION < 5)
- op_size(aTHX_ cPMOPx(baseop)->op_pmreplroot, st);
- op_size(aTHX_ cPMOPx(baseop)->op_pmreplstart, st);
- op_size(aTHX_ (OP *)cPMOPx(baseop)->op_pmnext, st);
+ op_size(aTHX_ ((PMOP *)baseop)->op_pmreplroot, st);
+ op_size(aTHX_ ((PMOP *)baseop)->op_pmreplstart, st);
#endif
/* This is defined away in perl 5.8.x, but it is in there for
5.6.x */
#ifdef PM_GETRE
- regex_size(PM_GETRE(cPMOPx(baseop)), st);
+ regex_size(PM_GETRE((PMOP *)baseop), st);
#else
- regex_size(cPMOPx(baseop)->op_pmregexp, st);
+ regex_size(((PMOP *)baseop)->op_pmregexp, st);
#endif
TAG;break;
case OPc_SVOP: TAG;
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);
+ sv_size(aTHX_ st, ((SVOP *)baseop)->op_sv, SOME_RECURSION);
}
TAG;break;
+#ifdef OA_PADOP
case OPc_PADOP: TAG;
st->total_size += sizeof(struct padop);
TAG;break;
+#endif
+#ifdef OA_GVOP
+ case OPc_GVOP: TAG;
+ st->total_size += sizeof(struct gvop);
+ sv_size(aTHX_ st, ((GVOP *)baseop)->op_gv, SOME_RECURSION);
+ TAG;break;
+#endif
case OPc_PVOP: TAG;
- check_new_and_strlen(st, cPVOPx(baseop)->op_pv);
+ check_new_and_strlen(st, ((PVOP *)baseop)->op_pv);
TAG;break;
case OPc_LOOP: TAG;
st->total_size += sizeof(struct loop);
- op_size(aTHX_ cLOOPx(baseop)->op_first, st);
- op_size(aTHX_ cLOOPx(baseop)->op_last, st);
- op_size(aTHX_ cLOOPx(baseop)->op_redoop, st);
- op_size(aTHX_ cLOOPx(baseop)->op_nextop, st);
- op_size(aTHX_ cLOOPx(baseop)->op_lastop, st);
+ op_size(aTHX_ ((LOOP *)baseop)->op_first, st);
+ op_size(aTHX_ ((LOOP *)baseop)->op_last, st);
+ op_size(aTHX_ ((LOOP *)baseop)->op_redoop, st);
+ op_size(aTHX_ ((LOOP *)baseop)->op_nextop, st);
+ op_size(aTHX_ ((LOOP *)baseop)->op_lastop, st);
TAG;break;
case OPc_COP: TAG;
{
#endif
#ifdef USE_ITHREADS
check_new_and_strlen(st, basecop->cop_file);
+#if PERL_VERSION < 17 || (PERL_VERSION == 17 && PERL_SUBVERSION == 0)
+ /* This pointer is owned by the COP, and freed with it. */
check_new_and_strlen(st, basecop->cop_stashpv);
#else
- sv_size(aTHX_ st, (SV *)basecop->cop_stash, SOME_RECURSION);
+ /* A per-interpreter pointer for this stash is allocated in
+ PL_stashpad. */
+ if (check_new(st, PL_stashpad + basecop->cop_stashoff))
+ st->total_size += sizeof(PL_stashpad[basecop->cop_stashoff]);
+#endif
+#else
sv_size(aTHX_ st, (SV *)basecop->cop_filegv, SOME_RECURSION);
#endif
}
}
+static void
+hek_size(pTHX_ struct state *st, HEK *hek, U32 shared)
+{
+ /* Hash keys can be shared. Have we seen this before? */
+ if (!check_new(st, hek))
+ return;
+ st->total_size += HEK_BASESIZE + hek->hek_len
+#if PERL_VERSION < 8
+ + 1 /* No hash key flags prior to 5.8.0 */
+#else
+ + 2
+#endif
+ ;
+ if (shared) {
+#if PERL_VERSION < 10
+ st->total_size += sizeof(struct he);
+#else
+ st->total_size += STRUCT_OFFSET(struct shared_he, shared_he_hek);
+#endif
+ }
+}
+
+
#if PERL_VERSION < 8 || PERL_SUBVERSION < 9
# define SVt_LAST 16
#endif
#endif
};
-static bool
+#ifdef PadlistNAMES
+static void
+padlist_size(pTHX_ struct state *const st, const PADLIST * const padl,
+ const int recurse) {
+ SSize_t i;
+ if (!check_new(st, padl))
+ return;
+ /* This relies on PADNAMELIST and PAD being typedefed to AV. If that
+ ever changes, this code will need an update. */
+ st->total_size += sizeof(PADLIST);
+ sv_size(aTHX_ st, (SV*)PadlistNAMES(padl), recurse);
+ i = PadlistMAX(padl) + 1;
+ st->total_size += sizeof(PAD*) * i;
+ while (--i)
+ sv_size(aTHX_ st, (SV*)PadlistARRAY(padl)[i], recurse);
+}
+#else
+static void
+padlist_size(pTHX_ struct state *const st, const AV * const padl,
+ const int recurse) {
+ sv_size(aTHX_ st, (SV*)padl, recurse);
+}
+#endif
+
+static void
sv_size(pTHX_ struct state *const st, const SV * const orig_thing,
const int recurse) {
const SV *thing = orig_thing;
U32 type;
if(!check_new(st, thing))
- return FALSE;
+ return;
type = SvTYPE(thing);
if (type > SVt_LAST) {
warn("Devel::Size: Unknown variable type: %d encountered\n", type);
- return TRUE;
+ return;
}
st->total_size += sizeof(SV) + body_sizes[type];
- if (type >= SVt_PVMG) {
+ if (SvMAGICAL(thing)) {
magic_size(aTHX_ thing, st);
}
cur_entry = *(HvARRAY(thing) + cur_bucket);
while (cur_entry) {
st->total_size += sizeof(HE);
- if (cur_entry->hent_hek) {
- /* Hash keys can be shared. Have we seen this before? */
- if (check_new(st, cur_entry->hent_hek)) {
- st->total_size += HEK_BASESIZE + cur_entry->hent_hek->hek_len + 2;
- }
- }
+ hek_size(aTHX_ st, cur_entry->hent_hek, HvSHAREKEYS(thing));
if (recurse >= TOTAL_SIZE_RECURSION)
sv_size(aTHX_ st, HeVAL(cur_entry), recurse);
cur_entry = cur_entry->hent_next;
}
}
}
+#ifdef HvAUX
+ if (SvOOK(thing)) {
+ /* This direct access is arguably "naughty": */
+ struct mro_meta *meta = HvAUX(thing)->xhv_mro_meta;
+#if PERL_VERSION > 13 || PERL_SUBVERSION > 8
+ /* As is this: */
+ I32 count = HvAUX(thing)->xhv_name_count;
+
+ if (count) {
+ HEK **names = HvAUX(thing)->xhv_name_u.xhvnameu_names;
+ if (count < 0)
+ count = -count;
+ while (--count)
+ hek_size(aTHX_ st, names[count], 1);
+ }
+ else
+#endif
+ {
+ hek_size(aTHX_ st, HvNAME_HEK(thing), 1);
+ }
+
+ st->total_size += sizeof(struct xpvhv_aux);
+ if (meta) {
+ st->total_size += sizeof(struct mro_meta);
+ sv_size(aTHX_ st, (SV *)meta->mro_nextmethod, TOTAL_SIZE_RECURSION);
+#if PERL_VERSION > 10 || (PERL_VERSION == 10 && PERL_SUBVERSION > 0)
+ sv_size(aTHX_ st, (SV *)meta->isa, TOTAL_SIZE_RECURSION);
+#endif
+#if PERL_VERSION > 10
+ sv_size(aTHX_ st, (SV *)meta->mro_linear_all, TOTAL_SIZE_RECURSION);
+ sv_size(aTHX_ st, meta->mro_linear_current, TOTAL_SIZE_RECURSION);
+#else
+ sv_size(aTHX_ st, (SV *)meta->mro_linear_dfs, TOTAL_SIZE_RECURSION);
+ sv_size(aTHX_ st, (SV *)meta->mro_linear_c3, TOTAL_SIZE_RECURSION);
+#endif
+ }
+ }
+#else
+ check_new_and_strlen(st, HvNAME_get(thing));
+#endif
TAG;break;
case SVt_PVFM: TAG;
- sv_size(aTHX_ st, (SV *)CvPADLIST(thing), SOME_RECURSION);
+ padlist_size(aTHX_ st, CvPADLIST(thing), SOME_RECURSION);
sv_size(aTHX_ st, (SV *)CvOUTSIDE(thing), recurse);
if (st->go_yell && !st->fm_whine) {
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);
+ padlist_size(aTHX_ st, CvPADLIST(thing), SOME_RECURSION);
sv_size(aTHX_ st, (SV *)CvOUTSIDE(thing), recurse);
if (CvISXSUB(thing)) {
sv_size(aTHX_ st, cv_const_sv((CV *)thing), recurse);
- } else {
+ } else if (CvROOT(thing)) {
op_size(aTHX_ CvSTART(thing), st);
op_size(aTHX_ CvROOT(thing), st);
}
case SVt_PVGV: TAG;
if(isGV_with_GP(thing)) {
+#ifdef GvNAME_HEK
+ hek_size(aTHX_ st, GvNAME_HEK(thing), 1);
+#else
st->total_size += GvNAMELEN(thing);
-#ifdef GvFILE
+#endif
+#ifdef GvFILE_HEK
+ hek_size(aTHX_ st, GvFILE_HEK(thing), 1);
+#elif defined(GvFILE)
# if !defined(USE_ITHREADS) || (PERL_VERSION > 8 || (PERL_VERSION == 8 && PERL_SUBVERSION > 8))
/* With itreads, before 5.8.9, this can end up pointing to freed memory
if the GV was created in an eval, as GvFILE() points to CopFILE(),
freescalar:
if(recurse && SvROK(thing))
sv_size(aTHX_ st, SvRV_const(thing), recurse);
+ else if (SvIsCOW_shared_hash(thing))
+ hek_size(aTHX_ st, SvSHARED_HEK_FROM_PV(SvPVX(thing)), 1);
else
st->total_size += SvLEN(thing);
if(SvOOK(thing)) {
- st->total_size += SvIVX(thing);
+ STRLEN len;
+ SvOOK_offset(thing, len);
+ st->total_size += len;
}
TAG;break;
}
- return TRUE;
+ return;
}
-/* Frustratingly, the vtables aren't const in perl.h
- gcc is happy enough to have non-const initialisers in a static array.
- VC seems not to be. (Is it actually treating the file as C++?)
- So do the maximally portable thing, unless we know it's gcc, in which case
- we can do the more space efficient version. */
-
-#if __GNUC__
-void *vtables[] = {
-#include "vtables.inc"
- NULL
-};
-#endif
-
static struct state *
new_state(pTHX)
{
SV *warn_flag;
struct state *st;
-#if __GNUC__
- void **vt_p = vtables;
-#endif
Newxz(st, 1, struct state);
st->go_yell = TRUE;
check_new(st, &PL_sv_undef);
check_new(st, &PL_sv_no);
check_new(st, &PL_sv_yes);
-#if __GNUC__
- while(*vt_p)
- check_new(st, *vt_p++);
-#else
-#include "vtables.inc"
+#if PERL_VERSION > 8 || (PERL_VERSION == 8 && PERL_SUBVERSION > 0)
+ check_new(st, &PL_sv_placeholder);
#endif
return st;
}
projects / p5sagit/Devel-Size.git / blobdiff