更新platform

platform.lua

 local script = ...
-local currentPath = debug.getinfo(1, 'S').source:sub(2)
-local rootPath = currentPath:gsub('[^/\\]-$', '')
-if package.loadlib(rootPath .. 'bin/Windows/bee.dll', 'luaopen_bee_platform') then
-    if rootPath == '' then
-        rootPath = '.\\'
-    else
-        rootPath = rootPath:gsub('/', '\\')
+
+local function findExePath()
+    local n = 0
+    while arg[n-1] do
+        n = n - 1
     end
-    package.cpath = rootPath .. 'bin\\Windows\\?.dll'
-    package.path  = rootPath .. script .. '\\?.lua'
-          .. ';' .. rootPath .. script .. '\\?\\init.lua'
-elseif package.loadlib(rootPath .. 'bin/macOS/bee.so', 'luaopen_bee_platform') then
-    if rootPath == '' then
-        rootPath = './'
+    return arg[n]
 end
-    package.cpath = rootPath .. 'macOS/bin/?.so'
-    package.path  = rootPath .. script .. '/?.lua'
-          .. ';' .. rootPath .. script .. '/?/init.lua'
-elseif package.loadlib(rootPath .. 'bin/Linux/bee.so', 'luaopen_bee_platform') then
-    if rootPath == '' then
-        rootPath = './'
+
+local exePath = findExePath()
+local exeDir  = exePath:gsub('[^/\\]-$', '')
+local dll     = exePath:sub(-4) == '.exe' and '.dll' or '.so'
+package.cpath = exeDir .. '?' .. dll
+if not package.loadlib('bee'..dll, 'luaopen_bee_platform') then
+    error([[It doesn't seem to support your OS, please let me know at https://github.com/sumneko/lua-language-server/issues]])
 end
-    package.cpath = rootPath .. 'bin/Linux/?.so'
+
+local fs = require 'bee.filesystem'
+local rootPath = fs.path(exePath):parent_path():parent_path():remove_filename():string()
+if dll == '.dll' then
+    rootPath = rootPath:gsub('/', '\\')
+    package.path  = rootPath .. script .. '\\?.lua'
+          .. ';' .. rootPath .. script .. '\\?\\init.lua'
+else
+    rootPath = rootPath:gsub('\\', '/')
     package.path  = rootPath .. script .. '/?.lua'
           .. ';' .. rootPath .. script .. '/?/init.lua'
-else
-    error([[It doesn't seem to support your OS, please let me know at https://github.com/sumneko/lua-language-server/issues]])
 end