67 lines
2.2 KiB
Haskell
67 lines
2.2 KiB
Haskell
module Language.Haskell.GhcMod.Debug (debugInfo, debug, rootInfo) where
|
|
|
|
import Control.Applicative ((<$>))
|
|
import Control.Exception.IOChoice ((||>))
|
|
import Control.Monad (void)
|
|
import CoreMonad (liftIO)
|
|
import Data.List (intercalate)
|
|
import Data.Maybe (fromMaybe, isJust, fromJust)
|
|
import GHC (Ghc)
|
|
import Language.Haskell.GhcMod.CabalApi
|
|
import Language.Haskell.GhcMod.GHCApi
|
|
import Language.Haskell.GhcMod.Types
|
|
|
|
----------------------------------------------------------------
|
|
|
|
-- | Obtaining debug information.
|
|
debugInfo :: Options
|
|
-> Cradle
|
|
-> FilePath -- ^ A target file.
|
|
-> IO String
|
|
debugInfo opt cradle fileName = unlines <$> withGHC fileName (debug opt cradle fileName)
|
|
|
|
-- | Obtaining debug information.
|
|
debug :: Options
|
|
-> Cradle
|
|
-> FilePath -- ^ A target file.
|
|
-> Ghc [String]
|
|
debug opt cradle fileName = do
|
|
CompilerOptions gopts incDir pkgs <-
|
|
if cabal then
|
|
liftIO (fromCabalFile ||> return simpleCompilerOption)
|
|
else
|
|
return simpleCompilerOption
|
|
void $ initializeFlagsWithCradle opt cradle gopts True
|
|
setTargetFiles [fileName]
|
|
mglibdir <- liftIO getSystemLibDir
|
|
return [
|
|
"Root directory: " ++ rootDir
|
|
, "Current directory: " ++ currentDir
|
|
, "Cabal file: " ++ cabalFile
|
|
, "GHC options: " ++ unwords gopts
|
|
, "Include directories: " ++ unwords incDir
|
|
, "Dependent packages: " ++ intercalate ", " (map showPkg pkgs)
|
|
, "System libraries: " ++ fromMaybe "" mglibdir
|
|
]
|
|
where
|
|
currentDir = cradleCurrentDir cradle
|
|
mCabalFile = cradleCabalFile cradle
|
|
rootDir = cradleRootDir cradle
|
|
cabal = isJust mCabalFile
|
|
cabalFile = fromMaybe "" mCabalFile
|
|
origGopts = ghcOpts opt
|
|
simpleCompilerOption = CompilerOptions origGopts [] []
|
|
fromCabalFile = do
|
|
pkgDesc <- parseCabalFile file
|
|
getCompilerOptions origGopts cradle pkgDesc
|
|
where
|
|
file = fromJust mCabalFile
|
|
|
|
----------------------------------------------------------------
|
|
|
|
-- | Obtaining root information.
|
|
rootInfo :: Options
|
|
-> Cradle
|
|
-> IO String
|
|
rootInfo opt cradle = return $ convert opt $ cradleRootDir cradle
|