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FFI: Add ctype metamethods and ffi.metatype().

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This commit is contained in:
Mike Pall
2011-04-12 19:15:00 +02:00
parent fa5cd010e8
commit 3b6f37dd2c
11 changed files with 426 additions and 83 deletions
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6
src/lj_asm.c
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@@ -2558,6 +2558,7 @@ static void asm_cnew(ASMState *as, IRIns *ir)
lj_ctype_size(cts, typeid) : (CTSize)IR(ir->op2)->i;
const CCallInfo *ci = &lj_ir_callinfo[IRCALL_lj_mem_newgco];
IRRef args[2];
int gcfin = 0;
lua_assert(sz != CTSIZE_INVALID);
args[0] = ASMREF_L; /* lua_State *L */
@@ -2604,12 +2605,15 @@ static void asm_cnew(ASMState *as, IRIns *ir)
} while (1);
#endif
lua_assert(sz == 4 || (sz == 8 && (LJ_64 || LJ_HASFFI)));
} else {
if (lj_ctype_meta(cts, typeid, MM_gc) != NULL)
gcfin = LJ_GC_CDATA_FIN;
}
/* Combine initialization of marked, gct and typeid. */
emit_movtomro(as, RID_ECX, RID_RET, offsetof(GCcdata, marked));
emit_gri(as, XG_ARITHi(XOg_OR), RID_ECX,
(int32_t)((~LJ_TCDATA<<8)+(typeid<<16)));
(int32_t)((~LJ_TCDATA<<8)+(typeid<<16)+gcfin));
emit_gri(as, XG_ARITHi(XOg_AND), RID_ECX, LJ_GC_WHITES);
emit_opgl(as, XO_MOVZXb, RID_ECX, gc.currentwhite);