IRC/Plugins/Loader.hs

@@ -5,8 +5,6 @@ module IRC.Plugins.Loader ( load ) where
 
 import qualified Data.HashMap.Lazy as M
 
-import IRC.Plugins.Plugin
-
 import Control.Exception  ( catch, ErrorCall )
 import GHC.Exts           ( addrToAny# )
 import GHC.Ptr            ( Ptr(..) )
@@ -14,26 +12,26 @@ import System.Info        ( os, arch )
 import GHCi.ObjLink
 import Encoding
 
-load :: PluginSet -> String -> IO (Either String PluginSet)
-load set path = do
-    initObjLinker RetainCAFs
-    loadObj "Plugin.o"
-    _ret <- resolveObjs
-    ptr <- lookupSymbol (mangleSymbol Nothing "Plugin" "f")
-    case ptr of
-      Nothing -> return $ Left "Couldn’t load symbol"
-      Just (Ptr addr) -> case addrToAny# addr of
-                           (# f #) -> return $ Right f
+type PluginSet = M.HashMap String Plugin
 
-unload :: PluginSet -> String -> IO PluginSet
-unload set plugin = catch unloadPlugin exceptionHandler
-    where exceptionHandler :: ErrorCall -> IO PluginSet
-          exceptionHandler _  = return set
+data Plugin = Plugin { wew :: Int,
+                       lad :: Int }
 
-          unloadPlugin :: IO PluginSet
-          unloadPlugin = do
-              unloadObj $ plugin <> ".o"
-              return $ M.delete plugin set
+load :: PluginSet -> IO (Either String (IO PluginSet))
+load = do initObjLinker RetainCAFs
+          loadObj "Plugin.o"
+          _ret <- resolveObjs
+          ptr <- lookupSymbol (mangleSymbol Nothing "Plugin" "f")
+          case ptr of
+            Nothing -> return $ Left "Couldn’t load symbol"
+            Just (Ptr addr) -> case addrToAny# addr of
+                                 (# f #) -> return $ Right f
+
+unload :: String -> IO PluginSet
+unload plugin = catch (unloadObj $ plugin <> ".o") exceptionHandler
+
+exceptionHandler :: ErrorCall -> IO PluginSet
+exceptionHandler _ = return ()
 
 mangleSymbol :: Maybe String -> String -> String -> String
 mangleSymbol pkg module' valsym =

IRC/Plugins/Plugin.hs

@@ -1,8 +0,0 @@
-module IRC.Plugins.Plugin ( PluginSet, Plugin(..) ) where
-
-import qualified Data.HashMap.Lazy as M
-
-type PluginSet = M.HashMap String Plugin
-
-data Plugin = Plugin { pluginEvent :: String, -- e.g. PRIVMSG
-                       pluginEntry :: Int }

IRC/Plugins/Tupfile

@@ -1,4 +1,3 @@
 include_rules
 
-: Plugin.hs |> ghc $(GHCFLAGS) -c %f |> %B.o %B.hi
-: Loader.hs | Plugin.hi |> ghc $(GHCFLAGS) -c %f |> %B.o %B.hi
+: foreach *.hs |> ghc $(GHCFLAGS) -c %f |> %B.o %B.hi

Tupfile

@@ -1,4 +1,4 @@
 include_rules
 
-: foreach *.hs | IRC/*.hi IRC/Plugins/*.hi |> ghc $(GHCFLAGS) -c %f |> %B.o %B.hi
-: *.o IRC/*.o IRC/Plugins/*.o |> ghc -o Main %f |> Main
+: foreach *.hs | IRC/*.hi |> ghc $(GHCFLAGS) -c %f |> %B.o %B.hi
+: *.o IRC/*.o |> ghc -o Main %f |> Main

Tuprules.tup

@@ -1 +1 @@
-GHCFLAGS += -i$(CWD) -Wall -O3
+GHCFLAGS += -Wall -O3

make.sh

@@ -9,8 +9,6 @@ if ! command -v tup >/dev/null; then
     exit 1
 fi
 
-export CWD="$(readlink -f .)"
-
 case $1 in
     run)
         $0 build >&2 || exit 1
@@ -24,7 +22,7 @@ case $1 in
         tup >&2
         ;;
     clean)
-        rm -f Main *.o *.hi IRC/*.o IRC/*.hi IRC/Plugins/*.o IRC/Plugins/*.hi
+        rm -f Main *.o *.hi IRC/*.o IRC/*.hi
         ;;
     *)
         usage