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local config = require 'config'

TEST [[
---@class A
local a = {}
a.<?x?> = 1

---@return A
local function f() end

local b = f()
return b.<!x!>
]]

TEST [[
---@class A
local a = {}
a.<?x?> = 1

---@return table
---@return A
local function f() end

local a, b = f()
return a.x, b.<!x!>
]]

TEST [[
local <?mt?> = {}
function <!mt!>:x()
    <!self!>:x()
end
]]

TEST [[
local mt = {}
function mt:<?x?>()
    self:<!x!>()
end
]]

TEST [[
---@class Dog
local mt = {}
function mt:<?eat?>()
end

---@class Master
local mt2 = {}
function mt2:init()
    ---@type Dog
    local foo = self:doSomething()
    ---@type Dog
    self.dog = getDog()
end
function mt2:feed()
    self.dog:<!eat!>()
end
function mt2:doSomething()
end
]]

TEST [[
local function f()
    return <~<!function~> ()
    end!>
end

local <!f2!> = f()
]]

TEST [[
local function f()
    return nil, <~<!function~> ()
    end!>
end

local _, <!f2!> = f()
]]

config.set(nil, 'Lua.IntelliSense.traceReturn', true)
TEST [[
local <?x?>
local function f()
    return <!x!>
end
local <!y!> = f()
]]

TEST [[
local <?x?>
local function f()
    return function ()
        return <!x!>
    end
end
local <!y!> = f()()
]]
config.set(nil, 'Lua.IntelliSense.traceReturn', false)

TEST [[
---@class A
local t

---@class B: A
local <?v?>
]]

-- TODO
-- 泛型的反向搜索
do return end
TEST [[
---@class Dog
local <?Dog?> = {}

---@generic T
---@param type1 T
---@return T
function foobar(type1)
end

local <!v1!> = foobar(<!Dog!>)
]]

TEST [[
---@class Dog
local Dog = {}
function Dog:<?eat?>()
end

---@generic T
---@param type1 T
---@return T
function foobar(type1)
    return {}
end

local v1 = foobar(Dog)
v1:<!eat!>()
]]

TEST [[
---@class Dog
local Dog = {}
function Dog:<?eat?>()
end

---@class Master
local Master = {}

---@generic T
---@param type1 string
---@param type2 T
---@return T
function Master:foobar(type1, type2)
    return {}
end

local v1 = Master:foobar("", Dog)
v1.<!eat!>()
]]

TEST [[
---@class A
local <?A?>

---@generic T
---@param self T
---@return T
function m.f(self) end

local <!b!> = m.f(<!A!>)
]]

TEST [[
---@class A
local <?A?>

---@generic T
---@param self T
---@return T
function m:f() end

local <!b!> = m.f(<!A!>)
]]

TEST [[
---@class A
local <?A?>

---@generic T
---@param self T
---@return T
function <!A!>.f(self) end

local <!b!> = <!A!>:f()
]]

TEST [[
---@class A
local <?A?>

---@generic T
---@param self T
---@return T
function <!A!>:f() end

local <!b!> = <!A!>:f()
]]