+/* -*- mode: C -*- */
+
#define PERL_NO_GET_CONTEXT
#include "EXTERN.h"
#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
/* 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 */
}
}
+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
+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];
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;
+ st->total_size += sizeof(struct xpvhv_aux);
+ hek_size(aTHX_ st, HvNAME_HEK(thing), 1);
+ 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_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);
TAG;break;
}
- return TRUE;
+ return;
}
static struct state *
check_new(st, &PL_sv_undef);
check_new(st, &PL_sv_no);
check_new(st, &PL_sv_yes);
+#if PERL_VERSION > 8 || (PERL_VERSION == 8 && PERL_SUBVERSION > 0)
+ check_new(st, &PL_sv_placeholder);
+#endif
return st;
}