public static void SetList(Instruction i, ILuaVM vm)
{
const int FIELDS_PER_FLUSH = 50;
var(a, b, c) = i.ABC();
a += 1;
bool bIsZero = b == 0;
if (bIsZero)
{
b = (int)vm.ToInteger(-1) - a - 1;
vm.Pop(1);
}
if (c > 0)
{
c -= 1;
}
else
{
c = ((Instruction)vm.Fetch()).Ax();
}
Int64 idx = (Int64)(c * FIELDS_PER_FLUSH);
for (int j = 1; j <= b; j++)
{
idx++;
vm.PushValue(a + j);
vm.SetI(a, idx);
}
if (bIsZero)
{
for (int j = vm.RegisterCount() + 1; j <= vm.GetTop(); j++)
{
idx++;
vm.PushValue(j);
vm.SetI(a, idx);
}
vm.SetTop(vm.RegisterCount());
}
}
/// <summary>
/// R(A)[(C - 1) * FPF + i] := R(A + i), 1 <= i <= B
/// </summary>
public static void SetList(Instruction ins, ILuaVM vm)
{
ins.ABC(out var a, out var b, out var c);
a += 1;
if (c > 0)
{
c--;
}
else
{
new Instruction(vm.Fetch()).Ax(out c);
}
var bIsZero = b == 0;
if (bIsZero)
{
b = (int)vm.ToInteger(-1) - a - 1;
vm.Pop(1);
}
vm.CheckStack(1);
var idx = (LuaInt)(c * LFIELDS_PER_FLUSH);
for (var j = 1; j <= b; j++)
{
idx++;
vm.PushValue(a + j);
vm.SetI(a, idx);
}
if (bIsZero)
{
for (var j = vm.RegisterCount() + 1; j <= vm.GetTop(); j++)
{
idx++;
vm.PushValue(j);
vm.SetI(a, idx);
}
vm.SetTop(vm.RegisterCount());
}
}
private static void FixStack(int a, ILuaVM vm)
{
var x = (int)vm.ToInteger(-1);
vm.Pop(1);
vm.CheckStack(x - a);
for (var i = a; i < x; i++)
{
vm.PushValue(i);
}
vm.Rotate(vm.RegisterCount() + 1, x - a);
}
private static int PushFuncAndArgs(int a, int b, ILuaVM vm)
{
if (b >= 1)
{
vm.CheckStack(b);
for (int i = a; i < a + b; i++)
{
vm.PushValue(i);
}
return(b - 1);
}
else
{
FixStack(a, vm);
return(vm.GetTop() - vm.RegisterCount() - 1);
}
}