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FFI: Refactor ffi.gc()/__gc. Compile ffi.gc(cdata, nil), too.

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This commit is contained in:
Mike Pall
2013-05-24 17:44:55 +02:00
parent 4c1f9dd0f7
commit 992f7d4b71
5 changed files with 22 additions and 32 deletions
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10
src/lib_ffi.c
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@@ -768,19 +768,11 @@ LJLIB_CF(ffi_gc) LJLIB_REC(.)
GCcdata *cd = ffi_checkcdata(L, 1);
TValue *fin = lj_lib_checkany(L, 2);
CTState *cts = ctype_cts(L);
GCtab *t = cts->finalizer;
CType *ct = ctype_raw(cts, cd->ctypeid);
if (!(ctype_isptr(ct->info) || ctype_isstruct(ct->info) ||
ctype_isrefarray(ct->info)))
lj_err_arg(L, 1, LJ_ERR_FFI_INVTYPE);
if (gcref(t->metatable)) { /* Update finalizer table, if still enabled. */
copyTV(L, lj_tab_set(L, t, L->base), fin);
lj_gc_anybarriert(L, t);
if (!tvisnil(fin))
cd->marked |= LJ_GC_CDATA_FIN;
else
cd->marked &= ~LJ_GC_CDATA_FIN;
}
lj_cdata_setfin(L, cd, gcval(fin), itype(fin));
L->top = L->base+1; /* Pass through the cdata object. */
return 1;
}