1 files changed, 8 insertions, 25 deletions
diff --git a/scripts/gen_lsp.lua b/scripts/gen_lsp.lua
index 04d19f22e6..c8dcf8c018 100644
--- a/scripts/gen_lsp.lua
+++ b/scripts/gen_lsp.lua
@@ -60,9 +60,10 @@ end
 local function gen_methods(protocol)
   local output = {
     '-- Generated by gen_lsp.lua, keep at end of file.',
-    '--- LSP method names.',
     '---',
+    '---@enum vim.lsp.protocol.Methods',
     '---@see https://microsoft.github.io/language-server-protocol/specification/#metaModel',
+    '--- LSP method names.',
     'protocol.Methods = {',
   }
   local indent = (' '):rep(2)
@@ -109,26 +110,8 @@ local function gen_methods(protocol)
     end
   end
   output[#output + 1] = '}'
-  output = vim.list_extend(
-    output,
-    vim.split(
-      [[
-local function freeze(t)
-  return setmetatable({}, {
-    __index = t,
-    __newindex = function()
-      error('cannot modify immutable table')
-    end,
-  })
-end
-protocol.Methods = freeze(protocol.Methods)
-
-return protocol
-]],
-      '\n',
-      { trimempty = true }
-    )
-  )
+  output[#output + 1] = ''
+  output[#output + 1] = 'return protocol'
 
   local fname = './runtime/lua/vim/lsp/protocol.lua'
   local bufnr = vim.fn.bufadd(fname)
@@ -297,13 +280,13 @@ function M.gen(opt)
 
     -- TupleType
     elseif type.kind == 'tuple' then
-      local tuple = '{ '
-      for i, value in ipairs(type.items) do
-        tuple = tuple .. '[' .. i .. ']: ' .. parse_type(value, prefix) .. ', '
+      local tuple = '['
+      for _, value in ipairs(type.items) do
+        tuple = tuple .. parse_type(value, prefix) .. ', '
       end
       -- remove , at the end
       tuple = tuple:sub(0, -3)
-      return tuple .. ' }'
+      return tuple .. ']'
     end
 
     vim.print('WARNING: Unknown type ', type)