def gettable(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
b += 1
vm.GetRk(c)
vm.GetTable(b)
vm.Replace(a)
def gettabup(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
b += 1
vm.GetRk(c)
vm.GetTable(vm.LuaUpvalueIndex(b))
vm.Replace(a)
def self(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
b += 1
vm.Copy(b, a + 1)
vm.GetRk(c)
vm.GetTable(b)
vm.Replace(a)
def _popResults(self, a: int, c: int, vm: LuaVM):
if c is 1:
pass
elif c > 1:
for i in range(a + c - 2, a - 1, -1):
vm.Replace(i)
else:
vm.CheckStack(1)
vm.PushInteger(a)
def _pushFuncAndArgs(self, a: int, b: int, vm: LuaVM) -> int:
if b >= 1:
vm.CheckStack(b)
for i in range(a, a + b):
vm.PushValue(i)
return b - 1
else:
self._fixStack(a, vm)
return vm.GetTop() - vm.RegisterCount() - 1
def _return(self, vm: LuaVM):
a, b, _ = self.getAbc()
a += 1
if b is 1:
pass
elif b > 1:
vm.CheckStack(b - 1)
for i in range(a, a + b - 1):
vm.PushValue(i)
else:
self._fixStack(a, vm)
def tailCall(self, vm: LuaVM):
a, b, _ = self.getAbc()
a += 1
c = 0
nArgs = self._pushFuncAndArgs(a, b, vm)
vm.Call(nArgs, c - 1)
self._popResults(a, c, vm)
def _fixStack(a: int, vm: LuaVM):
x = vm.ToInteger(-1)
vm.Pop(1)
vm.CheckStack(x - a)
for i in range(a, x):
vm.PushValue(i)
vm.Rotate(vm.RegisterCount() + 1, x - a)
def setupval(self, vm: LuaVM):
a, b, _ = self.getAbc()
a += 1
b += 1
vm.Copy(a, vm.LuaUpvalueIndex(b))
def settabup(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
vm.GetRk(b)
vm.GetRk(c)
vm.SetTable(vm.LuaUpvalueIndex(a))
def vararg(self, vm: LuaVM):
a, b, _ = self.getAbc()
a += 1
if b is not 1:
vm.LoadVararg(b - 1)
self._popResults(a, b, vm)
def closure(self, vm: LuaVM):
a, bx = self.getAbx()
a += 1
vm.LoadProto(bx)
vm.Replace(a)
def setlist(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
if c > 0:
c -= 1
else:
c = Instruction(vm.Fetch()).getAx()
bisZero = b is 0
if bisZero:
b = (vm.ToInteger(-1)) - a - 1
vm.Pop(1)
vm.CheckStack(1)
index = c * LuaTable.LFIELDS_PER_FLUSH
for i in range(1, b + 1):
index += 1
vm.PushValue(a + i)
vm.SetI(a, index)
if bisZero:
for i in range(vm.RegisterCount() + 1, vm.GetTop() + 1):
index += 1
vm.PushValue(i)
vm.SetI(a, index)
vm.SetTop(vm.RegisterCount())
def settable(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
vm.GetRk(b)
vm.GetRk(c)
vm.SetTable(a)
def newtable(self, vm: LuaVM):
a, b, c = self.getAbc()
a += 1
vm.CreateTable(FbToInt(b), FbToInt(c))
vm.Replace(a)