public void Execute(StackFrame stackFrame)
{
switch (opCode)
{
case OpCode.Push: {
stackFrame.Push(opArg);
break;
}
case OpCode.Pop: {
stackFrame.Pop();
break;
}
case OpCode.Clear: {
stackFrame.Clear();
break;
}
case OpCode.Bind: {
var item1 = stackFrame.PopVar();
var item2 = stackFrame.Pop();
item1.Bind(item2);
stackFrame.Push(item1);
break;
}
case OpCode.BindN: {
var len = ((LuaInteger)opArg).value;
var list1 = stackFrame.TakeVars(len);
var list2 = stackFrame.Take(len);
for (var i = 0; i < len; i++)
{
list1[i].Bind(list2[i]);
stackFrame.Push(list1[i]);
}
break;
}
case OpCode.Unpack: {
var item = stackFrame.Pop();
item.Unpack(stackFrame);
break;
}
case OpCode.Not: {
var item = stackFrame.Pop();
stackFrame.Push(item.Not());
break;
}
case OpCode.And: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.And(item2));
break;
}
case OpCode.Or: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Or(item2));
break;
}
case OpCode.Negate: {
var item = stackFrame.Pop();
stackFrame.Push(item.Negate(stackFrame));
break;
}
case OpCode.Power: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Power(stackFrame, item2));
break;
}
case OpCode.Multiply: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Multiply(stackFrame, item2));
break;
}
case OpCode.Division: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Division(stackFrame, item2));
break;
}
case OpCode.Mod: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Mod(stackFrame, item2));
break;
}
case OpCode.Add: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Add(stackFrame, item2));
break;
}
case OpCode.Subtract: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Subtract(stackFrame, item2));
break;
}
case OpCode.Less: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Less(stackFrame, item2));
break;
}
case OpCode.Greater: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Greater(stackFrame, item2));
break;
}
case OpCode.LessEqual: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.LessEqual(stackFrame, item2));
break;
}
case OpCode.GreaterEqual: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.GreaterEqual(stackFrame, item2));
break;
}
case OpCode.Equal: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.Equal(item2));
break;
}
case OpCode.NotEqual: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.NotEqual(item2));
break;
}
case OpCode.Property: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.GetProperty(item2));
break;
}
case OpCode.Index: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(item1.GetIndex(item2));
break;
}
case OpCode.Concat: {
var item1 = stackFrame.Pop();
var item2 = stackFrame.Pop();
stackFrame.Push(stackFrame.vm.GetString(string.Concat(item1.ToString(), item2.ToString())));
break;
}
case OpCode.List: {
var list = stackFrame.TakeAll();
stackFrame.Push(TableHelper.CreateList(stackFrame, list));
break;
}
case OpCode.Table: {
var list = stackFrame.TakeAll();
stackFrame.Push(TableHelper.CreateTable(stackFrame, list));
break;
}
case OpCode.Call: {
var item = stackFrame.Pop();
var list = stackFrame.TakeAll();
item.Call(stackFrame, list);
break;
}
case OpCode.Define: {
var item = (LuaString)opArg;
var binder = stackFrame.Define(item.value);
stackFrame.Push(stackFrame.vm.GetVar(item.value, binder));
break;
}
case OpCode.Var: {
var item = (LuaString)opArg;
var binder = stackFrame.Find(item.value);
stackFrame.Push(stackFrame.vm.GetVar(item.value, binder));
break;
}
case OpCode.Function: {
var item = (LuaModule)opArg;
stackFrame.Push(stackFrame.vm.GetFunction(item.value, stackFrame));
break;
}
case OpCode.Return: {
stackFrame.Return();
break;
}
case OpCode.Jump: {
stackFrame.Jump((LuaLabel)opArg);
break;
}
case OpCode.JumpIf: {
if (stackFrame.Pop().ToBoolean())
{
stackFrame.Jump((LuaLabel)opArg);
}
break;
}
case OpCode.JumpNot: {
if (!stackFrame.Pop().ToBoolean())
{
stackFrame.Jump((LuaLabel)opArg);
}
break;
}
case OpCode.Label: {
// ignored
break;
}
default:
throw new ArgumentOutOfRangeException(opCode.ToString());
}
}
public void Next(StackFrame stackFrame, LuaObject[] args)
{
if (args.Length == 0)
{
stackFrame.Push(vm.nil);
}
else if (args.Length == 1)
{
var table = args[0] as LuaTable;
if (table == null)
{
stackFrame.Push(vm.nil);
}
else if (table.status == LuaTable.Status.Uninit)
{
stackFrame.Push(vm.nil);
}
else if (table.Count == 0)
{
stackFrame.Push(vm.nil);
}
else
{
Next(stackFrame, new LuaObject[] { table, vm.nil });
}
}
else
{
var table = args[0] as LuaTable;
if (table == null)
{
stackFrame.Push(vm.nil);
}
else if (table.status == LuaTable.Status.Uninit)
{
stackFrame.Push(vm.nil);
}
else if (table.Count == 0)
{
stackFrame.Push(vm.nil);
}
else if (Equals(args[1], vm.nil))
{
if (table.status == LuaTable.Status.List)
{
table.iterator = table.GetEnumerator();
var iterator = table.iterator;
iterator.MoveNext();
var item = (LuaListItem)iterator.Current;
stackFrame.Push(vm.GetTuple(new[] { item.lindex, item.value }));
}
else
{
table.iterator = table.GetEnumerator();
var iterator = table.iterator;
iterator.MoveNext();
var item = (LuaDictItem)iterator.Current;
stackFrame.Push(vm.GetTuple(new[] { item.key, item.value }));
}
}
else
{
if (table.status == LuaTable.Status.List)
{
var iterator = table.iterator;
if (iterator == null)
{
stackFrame.Push(vm.nil);
}
else if (!iterator.MoveNext())
{
stackFrame.Push(vm.nil);
}
else
{
var item = (LuaListItem)iterator.Current;
stackFrame.Push(vm.GetTuple(new[] { item.lindex, item.value }));
}
}
else
{
var iterator = table.iterator;
if (iterator == null)
{
stackFrame.Push(vm.nil);
}
else if (!iterator.MoveNext())
{
stackFrame.Push(vm.nil);
}
else
{
var item = (LuaDictItem)iterator.Current;
stackFrame.Push(vm.GetTuple(new[] { item.key, item.value }));
}
}
}
}
}
