aboutsummaryrefslogtreecommitdiffstatshomepage
path: root/apps/FixNtSymbolPath.hs
blob: 9a02cf9567b798eee16dbe55ba761a97345e986f (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
{-
 - Copyright 2015 Egor Tensin <Egor.Tensin@gmail.com>
 - This file is licensed under the terms of the MIT License.
 - See LICENSE.txt for details.
-}

module Main ( main ) where

import Control.Monad ( unless )
import System.Directory ( createDirectoryIfMissing, getCurrentDirectory )
import System.FilePath ( combine )

import qualified Environment

getRemoteSymbolsDirectoryPath :: IO String
getRemoteSymbolsDirectoryPath = do
  localPath <- getLocalPath
  createDirectoryIfMissing True localPath
  return $ "SRV*" ++ localPath ++ "*" ++ remotePath
    where
      getLocalPath :: IO String
      getLocalPath = do
        cwd <- getCurrentDirectory
        return $ combine cwd "symbols"
      remotePath :: String
      remotePath = "http://msdl.microsoft.com/download/symbols"

getPdbsDirectoryPath :: IO String
getPdbsDirectoryPath = do
  cwd <- getCurrentDirectory
  let path = combine cwd "pdbs"
  createDirectoryIfMissing True path
  return path

fixNtSymbolPath :: IO ()
fixNtSymbolPath = do
  let env = Environment.CurrentUserEnvironment
  val <- Environment.queryFromRegistry env ntSymbolPath
  let presentPaths = Environment.splitPaths val
  remoteSymbolsPath <- getRemoteSymbolsDirectoryPath
  pdbsPath <- getPdbsDirectoryPath
  let requiredPaths = [pdbsPath, remoteSymbolsPath]
  let missingPaths = filter (`notElem` presentPaths) requiredPaths
  unless (null missingPaths) $ do
    let newval = Environment.joinPaths $ presentPaths ++ missingPaths
    Environment.saveToRegistry env ntSymbolPath newval
  where
    ntSymbolPath = "_NT_SYMBOL_PATH"

main :: IO ()
main = fixNtSymbolPath