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
52
|
module Main (main) where
import Control.Monad
import Data.List
import DynFlags
import Language.Haskell.Extension
main :: IO ()
main = do
let ghcExtensions = [ ext | (ext, _, _) <- xFlags ]
cabalExtensions = map show [ toEnum 0 :: KnownExtension .. ]
ghcOnlyExtensions = ghcExtensions \\ cabalExtensions
cabalOnlyExtensions = cabalExtensions \\ ghcExtensions
check "GHC-only flags" expectedGhcOnlyExtensions ghcOnlyExtensions
check "Cabal-only flags" expectedCabalOnlyExtensions cabalOnlyExtensions
check :: String -> [String] -> [String] -> IO ()
check title expected got
= do let unexpected = got \\ expected
missing = expected \\ got
showProblems problemType problems
= unless (null problems) $
do putStrLn (title ++ ": " ++ problemType)
putStrLn "-----"
mapM_ putStrLn problems
putStrLn "-----"
putStrLn ""
showProblems "Unexpected flags" unexpected
showProblems "Missing flags" missing
expectedGhcOnlyExtensions :: [String]
expectedGhcOnlyExtensions = ["RelaxedLayout",
"AlternativeLayoutRule",
"AlternativeLayoutRuleTransitional",
"DeriveAnyClass",
"JavaScriptFFI",
"PatternSynonyms"]
expectedCabalOnlyExtensions :: [String]
expectedCabalOnlyExtensions = ["Generics",
"ExtensibleRecords",
"RestrictedTypeSynonyms",
"HereDocuments",
"NewQualifiedOperators",
"XmlSyntax",
"RegularPatterns",
"SafeImports",
"Safe",
"Unsafe",
"Trustworthy"]
|
