3 files changed, 138 insertions, 136 deletions

diff --git a/src/luarocks/fun.tl b/src/luarocks/fun.tl
index 9d9551ed..16873dc2 100644
--- a/src/luarocks/fun.tl
+++ b/src/luarocks/fun.tl
@@ -3,7 +3,7 @@
 local record fun
 end
 
-function fun.concat(xs: {any}, ys: {any}): {any} --? not generic becuse lua suports differnt types in one array
+function fun.concat<K>(xs: {K}, ys: {K}): {K}
    local rs = {}
    local n = #xs
    for i = 1, n do
@@ -16,7 +16,7 @@ function fun.concat(xs: {any}, ys: {any}): {any} --? not generic becuse lua supo
    return rs
 end
 
-function fun.contains(xs: {any}, v: any): boolean --? same logic as above fine?
+function fun.contains<K>(xs: {K}, v: K): boolean --? same logic as above fine?
    for _, x in ipairs(xs) do
       if v == x then
          return true
@@ -55,7 +55,7 @@ function fun.traverse<K, V>(t: {K}, f: function(K): V): {V} | V --? right or {an
    end)
 end
 
-function fun.reverse_in(t: {any}): {any}
+function fun.reverse_in<K>(t: {K}): {K}
    for i = 1, math.floor(#t/2) do
       local m, n = i, #t - i + 1
       local a, b = t[m], t[n]
diff --git a/src/luarocks/type_check.tl b/src/luarocks/type_check.tl
index 09dfa96d..1252133d 100644
--- a/src/luarocks/type_check.tl
+++ b/src/luarocks/type_check.tl
@@ -14,7 +14,7 @@ local vers = require("luarocks.core.vers")
 type_check.MAGIC_PLATFORMS = 0xEBABEFAC
 
 do
-   local function fill_in_version(tbl, version?)
+   local function fill_in_version(tbl: {any: any}, version?: string) --! tighter bound? --? What is filled if no version is provided
       for _, v in pairs(tbl) do
          if v is table then
             if v._version == nil then
@@ -25,9 +25,9 @@ do
       end
    end
 
-   local function expand_magic_platforms(tbl)
+   local function expand_magic_platforms(tbl: {any: any}) --! tbl type
       for k,v in pairs(tbl) do
-         if v == type_check.MAGIC_PLATFORMS then
+         if v == type_check.MAGIC_PLATFORMS then --! v is int, next line it is not
             tbl[k] = {
                _any = util.deep_copy(tbl)
             }
@@ -43,9 +43,9 @@ do
    -- and the value is a schema specification. Schema versions are considered
    -- incremental: version "2.0" only needs to specify what's new/changed from
    -- version "1.0".
-   function type_check.declare_schemas(inputs: {string: any}): {any: any}, {any} --?
-      local schemas = {}
-      local parent_version
+   function type_check.declare_schemas(inputs: {string: {any: any}}): {string : {any : any}}, {string} --! schema type: {string: {any: any}}
+      local schemas: {string: {any: any}} = {}
+      local parent_version: string
 
       local versions = fun.reverse_in(fun.sort_in(util.keys(inputs), vers.compare_versions))
 
@@ -68,7 +68,7 @@ end
 
 --------------------------------------------------------------------------------
 
-local function check_version(version: string, typetbl, context: string)
+local function check_version(version: string, typetbl: {string: string}, context: string): boolean, string --! typetbl
    local typetbl_version = typetbl._version or "1.0"
    if vers.compare_versions(typetbl_version, version) then
       if context == "" then
@@ -80,6 +80,8 @@ local function check_version(version: string, typetbl, context: string)
    return true
 end
 
+
+
 --- Type check an object.
 -- The object is compared against an archetypical value
 -- matching the expected type -- the actual values don't matter,
@@ -92,8 +94,7 @@ end
 -- @return boolean or (nil, string): true if type checking
 -- succeeded, or nil and an error message if it failed.
 -- @see type_check_table
-local function type_check_item(version, item, typetbl, context)
-   assert(type(version) == "string")
+local function type_check_item(version: string, item: any, typetbl: {string: string}, context: string): boolean, string --! typetbl
 
    if typetbl._version and typetbl._version ~= "1.0" then
       local ok, err = check_version(version, typetbl, context)
@@ -115,9 +116,9 @@ local function type_check_item(version, item, typetbl, context)
       end
       local pattern = typetbl._pattern
       if pattern then
-         if not item:match("^"..pattern.."$") then
+         if not item:match("^"..pattern.."$") then --! cast or tostring
             local what = typetbl._name or ("'"..pattern.."'")
-            return nil, "Type mismatch on field "..context..": invalid value '"..item.."' does not match " .. what
+            return nil, "Type mismatch on field "..context..": invalid value '"..item.."' does not match " .. what --! cast or tostring
          end
       end
    elseif expected_type == "table" then
@@ -132,10 +133,10 @@ local function type_check_item(version, item, typetbl, context)
    return true
 end
 
-local function mkfield(context, field)
+local function mkfield(context: string, field: any): string
    if context == "" then
       return tostring(field)
-   elseif type(field) == "string" then
+   elseif field is string then
       return context.."."..field
    else
       return context.."["..tostring(field).."]"
@@ -164,10 +165,7 @@ end
 -- to be used by error messages.
 -- @return boolean or (nil, string): true if type checking
 -- succeeded, or nil and an error message if it failed.
-function type_check.type_check_table(version, tbl, typetbl, context)
-   assert(type(version) == "string")
-   assert(type(tbl) == "table")
-   assert(type(typetbl) == "table")
+function type_check.type_check_table(version: string, tbl: {any: any}, typetbl: {string: string}, context: string): boolean, string --! tbl and typetbl types
 
    local ok, err = check_version(version, typetbl, context)
    if not ok then
@@ -188,7 +186,7 @@ function type_check.type_check_table(version, tbl, typetbl, context)
       end
    end
    for k, v in pairs(typetbl) do
-      if k:sub(1,1) ~= "_" and v._mandatory then
+      if k:sub(1,1) ~= "_" and v._mandatory then --!
          if not tbl[k] then
             return nil, "Mandatory field "..mkfield(context, k).." is missing."
          end
@@ -197,7 +195,7 @@ function type_check.type_check_table(version, tbl, typetbl, context)
    return true
 end
 
-function type_check.check_undeclared_globals(globals, typetbl)
+function type_check.check_undeclared_globals(globals: {string: any}, typetbl: {string: string}): boolean, string --! tbl and typetbl types
    local undeclared = {}
    for glob, _ in pairs(globals) do
       if not (typetbl[glob] or typetbl["MUST_"..glob]) then
diff --git a/src/luarocks/upload/api.tl b/src/luarocks/upload/api.tl
index fd837fd8..0c94a6ee 100644
--- a/src/luarocks/upload/api.tl
+++ b/src/luarocks/upload/api.tl
@@ -15,9 +15,13 @@ local record Api
    raw_method: function(Api, string)
    record config
       server: any --! why to string
+      key: string
    end
+   debug: boolean
 end
 
+local type Parameters = multipart.Parameters
+
 local function upload_config_file(): string
    if not cfg.config_files.user.file then
       return nil
@@ -32,7 +36,7 @@ function Api:load_config(): {any: any} --? tighter bound?
    return config
 end
 
-function Api:save_config()
+function Api:save_config(): nil, string --! nil?
    -- Test configuration before saving it.
    local res, err = self:raw_method("status")
    if not res then
@@ -90,25 +94,25 @@ function Api:method(...)
    return res
 end
 
-function Api.raw_method(self: Api, path: string, ...) --! path, ... type
+function Api:raw_method(path: string, ...) --! path, ... type
    self:check_version()
    local url = tostring(self.config.server) .. "/api/" .. tostring(cfg.upload.api_version) .. "/" .. tostring(self.config.key) .. "/" .. path
    return self:request(url, ...)
 end
 
-local function encode_query_string(t, sep)
+local function encode_query_string(t: Parameters, sep?: string): string
    if sep == nil then
       sep = "&"
    end
    local i = 0
-   local buf = { }
-   for k, v in pairs(t) do
-      if type(k) == "number" and type(v) == "table" then
+   local buf: {string} = { }
+   for k, v in pairs(t.map) do --! pairs problem for Parameters
+      if k is number and v is {string} then
          k, v = v[1], v[2]
       end
-      buf[i + 1] = multipart.url_escape(k)
+      buf[i + 1] = multipart.url_escape(k as string) --! cast
       buf[i + 2] = "="
-      buf[i + 3] = multipart.url_escape(v)
+      buf[i + 3] = multipart.url_escape(v as string) --! cast
       buf[i + 4] = sep
       i = i + 4
    end
@@ -116,140 +120,140 @@ local function encode_query_string(t, sep)
    return table.concat(buf)
 end
 
-local function redact_api_url(url)
+local function redact_api_url(url: any): string
    url = tostring(url)
-   return (url:gsub(".*/api/[^/]+/[^/]+", "")) or ""
+   return ((url as string):gsub(".*/api/[^/]+/[^/]+", "")) or "" --! cast
 end
 
 local ltn12_ok, ltn12 = pcall(require, "ltn12")
 if not ltn12_ok then -- If not using LuaSocket and/or LuaSec...
 
-function Api.request(self: Api, url: string, params?, post_params?): {string : any}, string
-   local vars = cfg.variables
-
-   if fs.which_tool("downloader") == "wget" then
-      local curl_ok, err = fs.is_tool_available(vars.CURL, "curl")
-      if not curl_ok then
-         return nil, err
-      end
-   end
+   function Api:request(url: string, params?: Parameters, post_params?: Parameters): {string : any}, string
+      local vars = cfg.variables
 
-   if not self.config.key then
-      return nil, "Must have API key before performing any actions."
-   end
-   if params and next(params) then
-      url = url .. ("?" .. encode_query_string(params))
-   end
-   local method = "GET"
-   local out
-   local tmpfile = fs.tmpname()
-   if post_params then
-      method = "POST"
-      local curl_cmd = vars.CURL.." "..vars.CURLNOCERTFLAG.." -f -L --silent --user-agent \""..cfg.user_agent.." via curl\" "
-      for k,v in pairs(post_params) do
-         local var = v
-         if type(v) == "table" then
-            var = "@"..v.fname
+      if fs.which_tool("downloader") == "wget" then
+         local curl_ok, err = fs.is_tool_available(vars.CURL, "curl")
+         if not curl_ok then
+            return nil, err
          end
-         curl_cmd = curl_cmd .. "--form \""..k.."="..var.."\" "
       end
-      if cfg.connection_timeout and cfg.connection_timeout > 0 then
-        curl_cmd = curl_cmd .. "--connect-timeout "..tonumber(cfg.connection_timeout).." "
+
+      if not self.config.key then
+         return nil, "Must have API key before performing any actions."
       end
-      local ok = fs.execute_string(curl_cmd..fs.Q(url).." -o "..fs.Q(tmpfile))
-      if not ok then
-         return nil, "API failure: " .. redact_api_url(url)
+      if params and next(params) then --!
+         url = url .. ("?" .. encode_query_string(params))
       end
-   else
-      local ok, err = fs.download(url, tmpfile)
-      if not ok then
-         return nil, "API failure: " .. tostring(err) .. " - " .. redact_api_url(url)
+      local method = "GET"
+      local out: string
+      local tmpfile = fs.tmpname()
+      if post_params then
+         method = "POST"
+         local curl_cmd = vars.CURL.." "..vars.CURLNOCERTFLAG.." -f -L --silent --user-agent \""..cfg.user_agent.." via curl\" "
+         for k,v in pairs(post_params) do
+            local var = v
+            if v is {string: string} then
+               var = "@"..v.fname
+            end
+            curl_cmd = curl_cmd .. "--form \""..k.."="..var as string.."\" " --! cast
+         end
+         if cfg.connection_timeout and cfg.connection_timeout > 0 then
+         curl_cmd = curl_cmd .. "--connect-timeout "..tonumber(cfg.connection_timeout).." "
+         end
+         local ok = fs.execute_string(curl_cmd..fs.Q(url).." -o "..fs.Q(tmpfile))
+         if not ok then
+            return nil, "API failure: " .. redact_api_url(url)
+         end
+      else
+         local ok, err = fs.download(url, tmpfile)
+         if not ok then
+            return nil, "API failure: " .. tostring(err) .. " - " .. redact_api_url(url)
+         end
       end
-   end
 
-   local tmpfd = io.open(tmpfile)
-   if not tmpfd then
+      local tmpfd = io.open(tmpfile)
+      if not tmpfd then
+         os.remove(tmpfile)
+         return nil, "API failure reading temporary file - " .. redact_api_url(url)
+      end
+      out = tmpfd:read("*a")
+      tmpfd:close()
       os.remove(tmpfile)
-      return nil, "API failure reading temporary file - " .. redact_api_url(url)
-   end
-   out = tmpfd:read("*a")
-   tmpfd:close()
-   os.remove(tmpfile)
 
-   if self.debug then
-      util.printout("[" .. tostring(method) .. " via curl] " .. redact_api_url(url) .. " ... ")
-   end
+      if self.debug then
+         util.printout("[" .. tostring(method) .. " via curl] " .. redact_api_url(url) .. " ... ")
+      end
 
-   return json.decode(out)
-end
+      return json.decode(out)
+   end
 
 else -- use LuaSocket and LuaSec
 
-local warned_luasec = false
+   local warned_luasec = false
 
-function Api:request(url, params, post_params)
-   local server = tostring(self.config.server)
-   local http_ok, http
-   local via = "luasocket"
-   if server:match("^https://") then
-      http_ok, http = pcall(require, "ssl.https")
-      if http_ok then
-         via = "luasec"
-      else
-         if not warned_luasec then
-            util.printerr("LuaSec is not available; using plain HTTP. Install 'luasec' to enable HTTPS.")
-            warned_luasec = true
+   function Api:request(url: string, params?: Parameters, post_params?: Parameters): {string : any}, string
+      local server = tostring(self.config.server)
+      local http_ok, http: boolean, any
+      local via = "luasocket"
+      if server:match("^https://") then
+         http_ok, http = pcall(require, "ssl.https") --! a lot of new files in the src dir
+         if http_ok then
+            via = "luasec"
+         else
+            if not warned_luasec then
+               util.printerr("LuaSec is not available; using plain HTTP. Install 'luasec' to enable HTTPS.")
+               warned_luasec = true
+            end
+            http_ok, http = pcall(require, "socket.http")
+            url = url:gsub("^https", "http")
+            via = "luasocket"
          end
+      else
          http_ok, http = pcall(require, "socket.http")
-         url = url:gsub("^https", "http")
-         via = "luasocket"
       end
-   else
-      http_ok, http = pcall(require, "socket.http")
-   end
-   if not http_ok then
-      return nil, "Failed loading socket library!"
-   end
+      if not http_ok then
+         return nil, "Failed loading socket library!"
+      end
 
-   if not self.config.key then
-      return nil, "Must have API key before performing any actions."
-   end
-   local body
-   local headers = {}
-   if params and next(params) then
-      url = url .. ("?" .. encode_query_string(params))
-   end
-   if post_params then
-      local boundary
-      body, boundary = multipart.encode(post_params)
-      headers["Content-length"] = #body
-      headers["Content-type"] = "multipart/form-data; boundary=" .. tostring(boundary)
-   end
-   local method = post_params and "POST" or "GET"
-   if self.debug then
-      util.printout("[" .. tostring(method) .. " via "..via.."] " .. redact_api_url(url) .. " ... ")
-   end
-   local out = {}
-   local _, status = http.request({
-      url = url,
-      headers = headers,
-      method = method,
-      sink = ltn12.sink.table(out),
-      source = body and ltn12.source.string(body)
-   })
-   if self.debug then
-      util.printout(tostring(status))
-   end
-   local pok, ret, err = pcall(json.decode, table.concat(out))
-   if pok and ret then
-      return ret
+      if not self.config.key then
+         return nil, "Must have API key before performing any actions."
+      end
+      local body: string
+      local headers: {string: string | integer} = {}
+      if params and next(params) then --!
+         url = url .. ("?" .. encode_query_string(params))
+      end
+      if post_params then
+         local boundary: string
+         body, boundary = multipart.encode(post_params)
+         headers["Content-length"] = #body
+         headers["Content-type"] = "multipart/form-data; boundary=" .. tostring(boundary)
+      end
+      local method = post_params and "POST" or "GET"
+      if self.debug then
+         util.printout("[" .. tostring(method) .. " via "..via.."] " .. redact_api_url(url) .. " ... ")
+      end
+      local out = {}
+      local _, status = http.request({
+         url = url,
+         headers = headers,
+         method = method,
+         sink = ltn12.sink.table(out),
+         source = body and ltn12.source.string(body)
+      })
+      if self.debug then
+         util.printout(tostring(status))
+      end
+      local pok, ret, err = pcall(json.decode, table.concat(out))
+      if pok and ret then
+         return ret
+      end
+      return nil, "API returned " .. tostring(status) .. " - " .. redact_api_url(url)
    end
-   return nil, "API returned " .. tostring(status) .. " - " .. redact_api_url(url)
-end
 
 end
 
-function api.new(args)
+function api.new(args): Api
    local self = {}
    setmetatable(self, { __index = Api })
    self.config = self:load_config() or {}