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|
local Props
do
local _class_0
local assignReadOnly
local _base_0 = {
__index = function(self, name)
local cls = getmetatable(self)
do
local item
do
local _obj_0 = cls.__getter
if _obj_0 ~= nil then
item = _obj_0[name]
end
end
if item then
return item(self)
else
item = rawget(cls, name)
if item then
return item
else
local c = cls
repeat
c = getmetatable(c)
if c then
local _obj_0 = c.__getter
if _obj_0 ~= nil then
item = _obj_0[name]
end
if item then
if cls.__getter == nil then
cls.__getter = { }
end
cls.__getter[name] = item
return item(self)
else
item = rawget(c, name)
if item then
rawset(cls, name, item)
return item
end
end
else
break
end
until false
end
end
end
return nil
end,
__newindex = function(self, name, value)
local cls = getmetatable(self)
local item
local _obj_0 = cls.__setter
if _obj_0 ~= nil then
item = _obj_0[name]
end
if item then
return item(self, value)
else
local c = cls
repeat
c = getmetatable(c)
if c then
local _obj_1 = c.__setter
if _obj_1 ~= nil then
item = _obj_1[name]
end
if item then
if cls.__setter == nil then
cls.__setter = { }
end
cls.__setter[name] = item
item(self, value)
return
end
else
break
end
until false
return rawset(self, name, value)
end
end,
prop = function(self, name, props)
local get, set = props.get, props.set
if set == nil then
set = assignReadOnly
end
do
local getter = rawget(self.__base, "__getter")
if getter then
getter[name] = get
else
rawset(self.__base, "__getter", {
[name] = get
})
end
end
local setter = rawget(self.__base, "__setter")
if setter then
setter[name] = set
else
return rawset(self.__base, "__setter", {
[name] = set
})
end
end
}
if _base_0.__index == nil then
_base_0.__index = _base_0
end
_class_0 = setmetatable({
__init = function() end,
__base = _base_0,
__name = "Props"
}, {
__index = _base_0,
__call = function(cls, ...)
local _self_0 = setmetatable({ }, _base_0)
cls.__init(_self_0, ...)
return _self_0
end
})
_base_0.__class = _class_0
local self = _class_0;
assignReadOnly = function()
return error("assigning a readonly property")
end
Props = _class_0
end
local A
do
local _class_0
local _parent_0 = Props
local _base_0 = { }
for _key_0, _val_0 in pairs(_parent_0.__base) do
if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
_base_0[_key_0] = _val_0
end
end
if _base_0.__index == nil then
_base_0.__index = _base_0
end
setmetatable(_base_0, _parent_0.__base)
_class_0 = setmetatable({
__init = function(self)
self._x = 0
end,
__base = _base_0,
__name = "A",
__parent = _parent_0
}, {
__index = function(cls, name)
local val = rawget(_base_0, name)
if val == nil then
local parent = rawget(cls, "__parent")
if parent then
return parent[name]
end
else
return val
end
end,
__call = function(cls, ...)
local _self_0 = setmetatable({ }, _base_0)
cls.__init(_self_0, ...)
return _self_0
end
})
_base_0.__class = _class_0
local self = _class_0;
self:prop('x', {
get = function(self)
return self._x + 1000
end,
set = function(self, v)
self._x = v
end
})
if _parent_0.__inherited then
_parent_0.__inherited(_parent_0, _class_0)
end
A = _class_0
end
local B
do
local _class_0
local _parent_0 = A
local _base_0 = { }
for _key_0, _val_0 in pairs(_parent_0.__base) do
if _base_0[_key_0] == nil and _key_0:match("^__") and not (_key_0 == "__index" and _val_0 == _parent_0.__base) then
_base_0[_key_0] = _val_0
end
end
if _base_0.__index == nil then
_base_0.__index = _base_0
end
setmetatable(_base_0, _parent_0.__base)
_class_0 = setmetatable({
__init = function(self, ...)
return _class_0.__parent.__init(self, ...)
end,
__base = _base_0,
__name = "B",
__parent = _parent_0
}, {
__index = function(cls, name)
local val = rawget(_base_0, name)
if val == nil then
local parent = rawget(cls, "__parent")
if parent then
return parent[name]
end
else
return val
end
end,
__call = function(cls, ...)
local _self_0 = setmetatable({ }, _base_0)
cls.__init(_self_0, ...)
return _self_0
end
})
_base_0.__class = _class_0
local self = _class_0;
self:prop('abc', {
get = function(self)
return "hello"
end
})
if _parent_0.__inherited then
_parent_0.__inherited(_parent_0, _class_0)
end
B = _class_0
end
local b = B()
b.x = 999
return print(b.x, b.abc)
|
