public static int LuaORawEqualObj(Lua.LuaTypeValue t1, Lua.LuaTypeValue t2)
{
if (TType(t1) != TType(t2))
{
return(0);
}
else
{
switch (TType(t1))
{
case LUA_TNIL:
return(1);
case LUA_TNUMBER:
return(luai_numeq(NValue(t1), NValue(t2)) ? 1 : 0);
case LUA_TBOOLEAN:
return(BValue(t1) == BValue(t2) ? 1 : 0); /* boolean true must be 1....but not in C# !! */
case LUA_TLIGHTUSERDATA:
return(PValue(t1) == PValue(t2) ? 1 : 0);
default:
LuaAssert(IsCollectable(t1));
return(GCValue(t1) == GCValue(t2) ? 1 : 0);
}
}
}
public static void LuaGArithError(LuaState L, TValue p1, TValue p2)
{
TValue temp = new LuaTypeValue();
if (luaV_tonumber(p1, temp) == null)
p2 = p1; /* first operand is wrong */
LuaGTypeError(L, p2, "perform arithmetic on");
}
public static UpVal LuaFindUpVal(LuaState L, StkId level)
{
GlobalState g = G(L);
GCObjectRef pp = new OpenValRef(L);
UpVal p;
UpVal uv;
while (pp.get() != null && (p = ngcotouv(pp.get())).v >= level)
{
LuaAssert(p.v != p.u.value);
if (p.v == level)
{ /* found a corresponding upvalue? */
if (IsDead(g, obj2gco(p))) /* is it dead? */
ChangeWhite(obj2gco(p)); /* ressurect it */
return p;
}
pp = new NextRef(p);
}
uv = LuaMNew<UpVal>(L); /* not found: create a new one */
uv.tt = LUATUPVAL;
uv.marked = LuaCWhite(g);
uv.v = level; /* current value lives in the stack */
uv.next = pp.get(); /* chain it in the proper position */
pp.set(obj2gco(uv));
uv.u.l.prev = g.uvhead; /* double link it in `uvhead' list */
uv.u.l.next = g.uvhead.u.l.next;
uv.u.l.next.u.l.prev = uv;
g.uvhead.u.l.next = uv;
LuaAssert(uv.u.l.next.u.l.prev == uv && uv.u.l.prev.u.l.next == uv);
return uv;
}
public Node(Lua.LuaTypeValue i_val, TKey i_key)
{
this.values = new Node[] { this };
this.index = 0;
this.i_val = i_val;
this.i_key = i_key;
}
public static void LuaFClose(LuaState L, StkId level)
{
UpVal uv;
GlobalState g = G(L);
while (L.openupval != null && (uv = ngcotouv(L.openupval)).v >= level) {
GCObject o = obj2gco(uv);
LuaAssert(!IsBlack(o) && uv.v != uv.u.value);
L.openupval = uv.next; /* remove from `open' list */
if (IsDead(g, o))
LuaFreeUpVal(L, uv); /* free upvalue */
else {
UnlinkUpVal(uv);
SetObj(L, uv.u.value, uv.v);
uv.v = uv.u.value; /* now current value lives here */
LuaCLinkUpVal(L, uv); /* link upvalue into `gcroot' list */
}
}
}
public static void arith_op(LuaState L, op_delegate op, TMS tm, StkId base_, Instruction i, TValue[] k, StkId ra, InstructionPtr pc)
{
TValue rb = RKB(L, base_, i, k);
TValue rc = RKC(L, base_, i, k);
if (TTIsNumber(rb) && TTIsNumber(rc))
{
lua_Number nb = NValue(rb), nc = NValue(rc);
SetNValue(ra, op(nb, nc));
}
else
{
//Protect(
L.savedpc = InstructionPtr.Assign(pc);
Arith(L, ra, rb, rc, tm);
base_ = L.base_;
//);
}
}
public static TValue luaT_gettmbyobj(LuaState L, TValue o, TMS event_)
{
Table mt;
switch (TType(o))
{
case LUA_TTABLE:
mt = HValue(o).metatable;
break;
case LUA_TUSERDATA:
mt = UValue(o).metatable;
break;
default:
mt = G(L).mt[TType(o)];
break;
}
return ((mt != null) ? luaH_getstr(mt, G(L).tmname[(int)event_]) : LuaONilObject);
}
private static void PrintConstant(Proto f, int i)
{
/*const*/ TValue o=f.k[i];
switch (TType(o))
{
case LUA_TNIL:
printf("nil");
break;
case LUA_TBOOLEAN:
printf(BValue(o) != 0 ? "true" : "false");
break;
case LUA_TNUMBER:
printf(LUA_NUMBER_FMT,NValue(o));
break;
case LUA_TSTRING:
PrintString(RawTSValue(o));
break;
default: /* cannot happen */
printf("? type=%d",TType(o));
break;
}
}
public static void Arith(LuaState L, StkId ra, TValue rb,
TValue rc, TMS op)
{
TValue tempb = new LuaTypeValue(), tempc = new LuaTypeValue();
TValue b, c;
if ((b = luaV_tonumber(rb, tempb)) != null &&
(c = luaV_tonumber(rc, tempc)) != null) {
lua_Number nb = NValue(b), nc = NValue(c);
switch (op) {
case TMS.TM_ADD: SetNValue(ra, luai_numadd(nb, nc)); break;
case TMS.TM_SUB: SetNValue(ra, luai_numsub(nb, nc)); break;
case TMS.TM_MUL: SetNValue(ra, luai_nummul(nb, nc)); break;
case TMS.TM_DIV: SetNValue(ra, luai_numdiv(nb, nc)); break;
case TMS.TM_MOD: SetNValue(ra, luai_nummod(nb, nc)); break;
case TMS.TM_POW: SetNValue(ra, luai_numpow(nb, nc)); break;
case TMS.TM_UNM: SetNValue(ra, luai_numunm(nb)); break;
default: LuaAssert(false); break;
}
}
else if (call_binTM(L, rb, rc, ra, op) == 0)
LuaGArithError(L, rb, rc);
}
/*
** main search function
*/
public static TValue luaH_get(Table t, TValue key)
{
switch (TType(key))
{
case LUA_TNIL: return LuaONilObject;
case LUA_TSTRING: return luaH_getstr(t, RawTSValue(key));
case LUA_TNUMBER:
{
int k;
lua_Number n = NValue(key);
lua_number2int(out k, n);
if (luai_numeq(CastNum(k), NValue(key))) /* index is int? */
return luaH_getnum(t, k); /* use specialized version */
/* else go through ... actually on second thoughts don't, because this is C#*/
Node node = mainposition(t, key);
do
{ /* check whether `key' is somewhere in the chain */
if (LuaORawEqualObj(key2tval(node), key) != 0)
return gval(node); /* that's it */
else node = gnext(node);
} while (node != null);
return LuaONilObject;
}
default:
{
Node node = mainposition(t, key);
do
{ /* check whether `key' is somewhere in the chain */
if (LuaORawEqualObj(key2tval(node), key) != 0)
return gval(node); /* that's it */
else node = gnext(node);
} while (node != null);
return LuaONilObject;
}
}
}
internal static void SetTType(TValue obj, int tt)
{
obj.tt = tt;
}
//#define setsvalue2s setsvalue
internal static void SetSValue2S(LuaState L, TValue obj, TString x)
{
SetSValue(L, obj, x);
}
internal static TString RawTSValue(Lua.LuaTypeValue o)
{
return(o.value.gc.ts);
}
public static bool IsLfunction(Lua.LuaTypeValue o)
{
return((TType(o) == LUA_TFUNCTION) && (CLValue(o).c.isC == 0));
}
internal static Udata RawUValue(Lua.LuaTypeValue o)
{
return(o.value.gc.u);
}
public Node()
{
this.i_val = new LuaTypeValue();
this.i_key = new TKey();
}
internal static bool TTIsString(TValue o)
{
return (TType(o) == LUA_TSTRING);
}
public static int LIsFalse(Lua.LuaTypeValue o)
{
return(((TTIsNil(o) || (TTIsBoolean(o) && BValue(o) == 0))) ? 1 : 0);
}
internal static LuaState THValue(Lua.LuaTypeValue o)
{
return((LuaState)CheckExp(TTIsThread(o), o.value.gc.th));
}
internal static int BValue(Lua.LuaTypeValue o)
{
return(o.value.b);
}
internal static Table HValue(Lua.LuaTypeValue o)
{
return(o.value.gc.h);
}
internal static Closure CLValue(Lua.LuaTypeValue o)
{
return(o.value.gc.cl);
}
internal static UdataUV UValue(Lua.LuaTypeValue o)
{
return(RawUValue(o).uv);
}
internal static bool TTIsBoolean(TValue o)
{
return (TType(o) == LUA_TBOOLEAN);
}
/* Macros to test type */
internal static bool TTIsNil(TValue o)
{
return (TType(o) == LUA_TNIL);
}
internal static void CheckConsistency(Lua.LuaTypeValue obj)
{
LuaAssert(!IsCollectable(obj) || (TType(obj) == (obj).value.gc.gch.tt));
}
internal static bool TTIsThread(TValue o)
{
return (TType(o) == LUA_TTHREAD);
}
internal static void SetTType(Lua.LuaTypeValue obj, int tt)
{
obj.tt = tt;
}
public Node(TValue i_val, TKey i_key)
{
this.values = new Node[] { this };
this.index = 0;
this.i_val = i_val;
this.i_key = i_key;
}
internal static TStringTSV TSValue(Lua.LuaTypeValue o)
{
return(RawTSValue(o).tsv);
}
//#define setsvalue2n setsvalue
internal static void SetSValue2N(LuaState L, Lua.LuaTypeValue obj, TString x)
{
SetSValue(L, obj, x);
}
internal static void SetNValue(TValue obj, LuaNumberType x)
{
obj.value.n = x;
obj.tt = LUA_TNUMBER;
}
internal static bool IsCollectable(Lua.LuaTypeValue o)
{
return(TType(o) >= LUA_TSTRING);
}
///* from table to same table */
//#define setobjt2t setobj
internal static void SetObjT2T(LuaState L, TValue obj, TValue x)
{
SetObj(L, obj, x);
}
internal static void CheckLiveness(GlobalState g, Lua.LuaTypeValue obj)
{
LuaAssert(!IsCollectable(obj) ||
((TType(obj) == obj.value.gc.gch.tt) && !IsDead(g, obj.value.gc)));
}
//#define setptvalue2s setptvalue
internal static void SetPTValue2S(LuaState L, TValue obj, Proto x)
{
SetPTValue(L, obj, x);
}
/* Macros to set values */
internal static void SetNilValue(TValue obj)
{
obj.tt=LUA_TNIL;
}
/* Macros to set values */
internal static void SetNilValue(Lua.LuaTypeValue obj)
{
obj.tt = LUA_TNIL;
}
internal static void SetObj(LuaState L, TValue obj1, TValue obj2)
{
obj1.value.Copy(obj2.value);
obj1.tt = obj2.tt;
CheckLiveness(G(L), obj1);
}
internal static void SetNValue(Lua.LuaTypeValue obj, LuaNumberType x)
{
obj.value.n = x;
obj.tt = LUA_TNUMBER;
}
internal static void SetPTValue(LuaState L, TValue obj, Proto x)
{
obj.value.gc = x;
obj.tt = LUATPROTO;
CheckLiveness(G(L), obj);
}
internal static void SetPValue(Lua.LuaTypeValue obj, object x)
{
obj.value.p = x;
obj.tt = LUA_TLIGHTUSERDATA;
}
internal static void SetPValue( TValue obj, object x)
{
obj.value.p = x;
obj.tt = LUA_TLIGHTUSERDATA;
}
internal static void SetBValue(Lua.LuaTypeValue obj, int x)
{
obj.value.b = x;
obj.tt = LUA_TBOOLEAN;
}
internal static void SetTTHValue(LuaState L, TValue obj, GCObject x)
{
obj.value.gc = x;
obj.tt = LUA_TTHREAD;
CheckLiveness(G(L), obj);
}
internal static void SetTTHValue(LuaState L, Lua.LuaTypeValue obj, GCObject x)
{
obj.value.gc = x;
obj.tt = LUA_TTHREAD;
CheckLiveness(G(L), obj);
}
internal static void SetUValue(LuaState L, TValue obj, GCObject x)
{
obj.value.gc = x;
obj.tt = LUA_TUSERDATA;
CheckLiveness(G(L), obj);
}
internal static void SetCLValue(LuaState L, Lua.LuaTypeValue obj, Closure x)
{
obj.value.gc = x;
obj.tt = LUA_TFUNCTION;
CheckLiveness(G(L), obj);
}
internal static bool TTIsFunction(TValue o)
{
return (TType(o) == LUA_TFUNCTION);
}
internal static void SetHValue(LuaState L, Lua.LuaTypeValue obj, Table x)
{
obj.value.gc = x;
obj.tt = LUA_TTABLE;
CheckLiveness(G(L), obj);
}
internal static bool TTIsNumber(TValue o)
{
return (TType(o) == LUA_TNUMBER);
}
internal static void SetPTValue(LuaState L, Lua.LuaTypeValue obj, Proto x)
{
obj.value.gc = x;
obj.tt = LUATPROTO;
CheckLiveness(G(L), obj);
}
internal static bool TTIsTable(TValue o)
{
return (TType(o) == LUA_TTABLE);
}
internal static void SetObj(LuaState L, Lua.LuaTypeValue obj1, Lua.LuaTypeValue obj2)
{
obj1.value.Copy(obj2.value);
obj1.tt = obj2.tt;
CheckLiveness(G(L), obj1);
}
internal static bool TTIsUserData(TValue o)
{
return (TType(o) == LUA_TUSERDATA);
}
//#define sethvalue2s sethvalue
internal static void SetHValue2S(LuaState L, Lua.LuaTypeValue obj, Table x)
{
SetHValue(L, obj, x);
}
public Node(Node copy)
{
this.values = copy.values;
this.index = copy.index;
this.i_val = new LuaTypeValue(copy.i_val);
this.i_key = new TKey(copy.i_key);
}
//#define setptvalue2s setptvalue
internal static void SetPTValue2S(LuaState L, Lua.LuaTypeValue obj, Proto x)
{
SetPTValue(L, obj, x);
}
public static bool IsLfunction(TValue o)
{
return ((TType(o) == LUA_TFUNCTION) && (CLValue(o).c.isC==0));
}
///* to new object */
//#define setobj2n setobj
internal static void SetObj2N(LuaState L, Lua.LuaTypeValue obj, Lua.LuaTypeValue x)
{
SetObj(L, obj, x);
}