fix warnings

Author: sumneko

script/fs-utility.lua

@@ -20,6 +20,7 @@ function m.loadFile(path, keepBom)
         ---@diagnostic disable-next-line: undefined-field
         path = path:string()
     end
+    ---@cast path string
     local f, e = ioOpen(path, 'rb')
     if not f then
         return nil, e

script/vm/compiler.lua

@@ -1702,6 +1702,7 @@ local function bindReturnOfFunction(source, mfunc, index, args)
             -- Also check inside doc.type.sign for unresolved generics
             -- (e.g. list<T> where T is not yet resolved)
             if rnode.type == 'doc.type.sign' and rnode.signs then
+                ---@cast rnode parser.object
                 guide.eachSourceType(rnode, 'doc.generic.name', function (src)
                     if not src._resolved then
                         hasUnresolvedGeneric = true

script/vm/generic.lua

@@ -4,7 +4,7 @@ local guide   = require 'parser.guide'
 
 ---@class parser.object
 ---@field package _generic vm.generic
----@field package _resolved vm.node
+---@field public _resolved vm.node
 
 ---@class vm.generic
 ---@field sign  vm.sign

script/vm/sign.lua

@@ -196,6 +196,7 @@ function mt:resolve(uri, args)
             return
         end
         if object.type == 'doc.type.table' then
+            ---@cast object parser.object
             for _, ufield in ipairs(object.fields) do
                 local ufieldNode = vm.compileNode(ufield.name)
                 local uvalueNode = vm.compileNode(ufield.extends)