Zhefeng C
530e4a7495
This is the follow-up PR of https://github.com/Kong/kong/pull/11127 Changing the socket type from luasocket to openresty cosocket causes some test fail weirdly. After investigating, it's mainly because the cosocket support yield and setkeepalive. See the comments in tests. FTI-4937
94 lines
2.2 KiB
Lua
94 lines
2.2 KiB
Lua
-- Bundled from https://github.com/pygy/require.lua
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-- License MIT
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--- usage:
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-- require = require"require".require
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-- :o)
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local error, ipairs, newproxy, tostring, type
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= error, ipairs, newproxy, tostring, type
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local t_concat = table.concat
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--- Helpers
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local function checkstring(s)
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local t = type(s)
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if t == "string" then
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return s
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elseif t == "number" then
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return tostring(s)
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else
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error("bad argument #1 to 'require' (string expected, got "..t..")", 3)
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end
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end
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--- for Lua 5.1
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local package, p_loaded, setmetatable = package, package.loaded, setmetatable
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local sentinel do
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local function errhandler() error("the require() sentinel can't be indexed or updated", 2) end
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sentinel = newproxy and newproxy() or setmetatable({}, {__index = errhandler, __newindex = errhandler, __metatable = false})
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end
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local function require51 (name)
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name = checkstring(name)
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if p_loaded[name] == sentinel then
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error("loop or previous error loading module '"..name.."'", 2)
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end
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local module = p_loaded[name]
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if module then return module end
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local msg = {}
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local loader
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for _, searcher in ipairs(package.loaders) do
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loader = searcher(name)
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if type(loader) == "function" then break end
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if type(loader) == "string" then
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-- `loader` is actually an error message
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msg[#msg + 1] = loader
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end
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loader = nil
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end
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if loader == nil then
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error("module '" .. name .. "' not found: "..t_concat(msg), 2)
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end
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p_loaded[name] = sentinel
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local res = loader(name)
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if res ~= nil then
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module = res
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elseif p_loaded[name] == sentinel or not p_loaded[name] then
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module = true
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else
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module = p_loaded[name]
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end
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p_loaded[name] = module
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return module
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end
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local module = {
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VERSION = "0.1.8",
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require51 = require51,
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}
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if _VERSION == "Lua 5.1" then module.require = require51 end
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--- rerequire :o)
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for _, o in ipairs{
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{"rerequiredefault", require},
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{"rerequire", module.require},
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{"rerequire51", require51},
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} do
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local rereq, req = o[1], o[2]
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module[rereq] = function(name)
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p_loaded[name] = nil
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return req(name)
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end
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end
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return module
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