Follow Digraph changes in RnBinds and small refactoring

[ghc-hetmet.git] / compiler / main / Packages.lhs

diff --git a/compiler/main/Packages.lhs b/compiler/main/Packages.lhs
index b6c320f..44ad7d1 100644 (file)
--- a/compiler/main/Packages.lhs
+++ b/compiler/main/Packages.lhs
@@ -55,13 +55,13 @@ import Distribution.Text
 import Distribution.Version
 import FastString
 import ErrUtils         ( debugTraceMsg, putMsg, Message )
+import Exception
 
 import System.Directory
 import System.FilePath
 import Data.Maybe
 import Control.Monad
 import Data.List
-import Control.Exception        ( throwDyn )
 
 -- ---------------------------------------------------------------------------
 -- The Package state
@@ -173,7 +173,7 @@ initPackages dflags = do
 
 readPackageConfigs :: DynFlags -> IO PackageConfigMap
 readPackageConfigs dflags = do
-   e_pkg_path <- try (getEnv "GHC_PACKAGE_PATH")
+   e_pkg_path <- tryIO (getEnv "GHC_PACKAGE_PATH")
    system_pkgconfs <- getSystemPackageConfigs dflags
 
    let pkgconfs = case e_pkg_path of
@@ -216,7 +216,7 @@ getSystemPackageConfigs dflags = do
        -- unless the -no-user-package-conf flag was given.
        -- We only do this when getAppUserDataDirectory is available 
        -- (GHC >= 6.3).
-   user_pkgconf <- handle (\_ -> return []) $ do
+   user_pkgconf <- do
       appdir <- getAppUserDataDirectory "ghc"
       let 
         pkgconf = appdir
@@ -226,6 +226,7 @@ getSystemPackageConfigs dflags = do
       if (flg && dopt Opt_ReadUserPackageConf dflags)
        then return [pkgconf]
        else return []
+    `catchIO` (\_ -> return [])
 
    return (user_pkgconf ++ system_pkgconfs ++ [system_pkgconf])
 
@@ -687,7 +688,7 @@ closeDeps pkg_map ps = throwErr (closeDepsErr pkg_map ps)
 
 throwErr :: MaybeErr Message a -> IO a
 throwErr m = case m of
-               Failed e    -> throwDyn (CmdLineError (showSDoc e))
+               Failed e    -> ghcError (CmdLineError (showSDoc e))
                Succeeded r -> return r
 
 closeDepsErr :: PackageConfigMap -> [(PackageId,Maybe PackageId)]
@@ -710,7 +711,7 @@ add_package pkg_db ps (p, mb_parent)
           return (p : ps')
 
 missingPackageErr :: String -> IO [PackageConfig]
-missingPackageErr p = throwDyn (CmdLineError (showSDoc (missingPackageMsg p)))
+missingPackageErr p = ghcError (CmdLineError (showSDoc (missingPackageMsg p)))
 
 missingPackageMsg :: String -> SDoc
 missingPackageMsg p = ptext (sLit "unknown package:") <+> text p