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|
--
-- Haddock - A Haskell Documentation Tool
--
-- (c) Simon Marlow 2003
--
module Haddock.GHC.Typecheck (
typecheckFiles
) where
import Haddock.Exception
import Haddock.Types
import Haddock.GHC.Utils
import Data.Maybe
import Control.Monad
import GHC
import Digraph
import BasicTypes
import SrcLoc
import Data.List
type CheckedMod = (Module, FilePath, FullyCheckedMod)
type FullyCheckedMod = (ParsedSource,
RenamedSource,
TypecheckedSource,
ModuleInfo)
-- TODO: make it handle cleanup
typecheckFiles :: Session -> [FilePath] -> IO [GhcModule]
typecheckFiles session files = do
-- load all argument files
targets <- mapM (\f -> guessTarget f Nothing) files
setTargets session targets
flag <- load session LoadAllTargets
when (failed flag) $
throwE "Failed to load all needed modules"
modgraph <- getModuleGraph session
let mods = concatMap flattenSCC $ topSortModuleGraph False modgraph Nothing
getModFile = fromJust . ml_hs_file . ms_location
mods'= [ (ms_mod modsum, ms_hspp_opts modsum, getModFile modsum) |
modsum <- mods ]
-- typecheck the argument modules
ghcMods <- forM mods' $ \(mod, flags, file) -> do
mbMod <- checkModule session (moduleName mod) False
case mbMod of
Just (CheckedModule a (Just b) (Just c) (Just d) _)
-> return $ mkGhcModule (mod, file, (a,b,c,d)) flags
_ -> throwE ("Failed to check module: " ++ moduleString mod)
return ghcMods
-- | Dig out what we want from the typechecker output
mkGhcModule :: CheckedMod -> DynFlags -> GhcModule
mkGhcModule (mod, file, checkedMod) dynflags = GhcModule {
ghcModule = mod,
ghcFilename = file,
ghcMbDocOpts = mbOpts,
ghcHaddockModInfo = info,
ghcMbDoc = mbDoc,
ghcGroup = group,
ghcMbExports = mbExports,
ghcExportedNames = modInfoExports modInfo,
ghcDefinedNames = map getName $ modInfoTyThings modInfo,
ghcNamesInScope = fromJust $ modInfoTopLevelScope modInfo,
ghcInstances = modInfoInstances modInfo
}
where
HsModule _ _ _ _ _ mbOpts _ _ = unLoc parsed
(group, _, mbExports, mbDoc, info) = renamed
(parsed, renamed, _, modInfo) = checkedMod
|
