internal static void setList(Instruction i, LuaVm vm)
{
var abc = i.ABC();
var a = abc.Item1;
var b = abc.Item2;
var c = abc.Item3;
a += 1;
if (c > 0)
{
c = c - 1;
}
else
{
c = new Instruction(vm.Fetch()).Ax();
}
var idx = (long)c * LFIELDS_PER_FLUSH;
for (var j = 1; j <= b; j++)
{
idx++;
vm.PushValue(a + j);
vm.SetI(a, idx);
}
}
internal static void move(Instruction i, LuaVm vm)
{
var ab_ = i.ABC();
var a = ab_.Item1 + 1;
var b = ab_.Item2;
vm.Copy(b, a);
}
internal static void loadKx(Instruction i, LuaVm vm)
{
var aBx = i.ABx();
var a = aBx.Item1 + 1;
var ax = new Instruction(vm.Fetch()).Ax();
vm.GetConst(ax);
vm.Replace(a);
}
internal static void loadK(Instruction i, LuaVm vm)
{
var aBx = i.ABx();
var a = aBx.Item1 + 1;
var bx = aBx.Item2;
vm.GetConst(bx);
vm.Replace(a);
}
internal static void newTable(Instruction i, LuaVm vm)
{
var abc = i.ABC();
var a = abc.Item1;
var b = abc.Item2;
var c = abc.Item3;
a += 1;
vm.CreateTable(Fpb.Fb2int(b), Fpb.Fb2int(c));
vm.Replace(a);
}
internal static void jmp(Instruction i, LuaVm vm)
{
var asBx = i.AsBx();
var a = asBx.Item1;
var sBx = asBx.Item2;
vm.AddPC(sBx);
if (a != 0)
{
throw new Exception("todo!");
}
}
public void Execute(LuaVm vm)
{
var action = OpCodes.opcodes[Opcode()].action;
if (action != null)
{
action(this, vm);
}
else
{
throw new Exception(OpName());
}
}
internal static void setTable(Instruction i, LuaVm vm)
{
var abc = i.ABC();
var a = abc.Item1;
var b = abc.Item2;
var c = abc.Item3;
a += 1;
vm.GetRK(b);
vm.GetRK(c);
vm.SetTable(a);
}
internal static void loadNil(Instruction i, LuaVm vm)
{
var ab_ = i.AsBx();
var a = ab_.Item1 + 1;
var b = ab_.Item2;
vm.PushNil();
for (var l = a; l <= a + b; l++)
{
vm.Copy(-1, l);
}
vm.Pop(1);
}
internal static void loadBool(Instruction i, LuaVm vm)
{
var abc = i.ABC();
var a = abc.Item1 + 1;
var b = abc.Item2;
var c = abc.Item3;
vm.PushBoolean(b != 0);
vm.Replace(a);
if (c != 0)
{
vm.AddPC(1);
}
}
