Group file related information together.

This also changes us to keep track of the names
of imported modules rather than the files.  This
makes it possible to print a whole dependency tree,
as we already have a way to get the filename and figerpreint
of loaded modules

src/Cryptol/ModuleSystem/Base.hs

@@ -44,7 +44,7 @@ import Prelude.Compat hiding ( (<>) )
 
 
 
-import Cryptol.ModuleSystem.Env (DynamicEnv(..))
+import Cryptol.ModuleSystem.Env (DynamicEnv(..),fileInfo)
 import Cryptol.ModuleSystem.Fingerprint
 import Cryptol.ModuleSystem.Interface
 import Cryptol.ModuleSystem.Monad
@@ -287,7 +287,8 @@ doLoadModule eval quiet isrc path fp incDeps pm0 =
                            pure fsrc
                       Nothing -> pure Nothing
 
-     loadedModule path fp nameEnv incDeps impDeps foreignSrc tcm
+     let fi = fileInfo fp incDeps impDeps foreignSrc
+     loadedModule path fi nameEnv foreignSrc tcm
 
      return tcm
 
@@ -411,7 +412,7 @@ addPrelude m
     }
 
 -- | Load the dependencies of a module into the environment.
-loadDeps :: P.ModuleG mname name -> ModuleM (Set ModulePath)
+loadDeps :: P.ModuleG mname name -> ModuleM (Set ModName)
 loadDeps m =
   case mDef m of
     NormalModule ds -> Set.unions <$> mapM depsOfDecl ds
@@ -425,7 +426,8 @@ loadDeps m =
          pure (Set.union fds ads)
     InterfaceModule s -> Set.unions <$> mapM loadImpD (sigImports s)
   where
-  loadI i = Set.singleton . fst <$> loadModuleFrom False i
+  loadI i = do _ <- loadModuleFrom False i
+               pure (Set.singleton (importedModule i))
 
   loadImpName src l =
     case thing l of

src/Cryptol/ModuleSystem/Env.hs

@@ -410,11 +410,7 @@ data LoadedModuleG a = LoadedModule
   , lmNamingEnv         :: !R.NamingEnv
     -- ^ What's in scope in this module
 
-  , lmFingerprint       :: Fingerprint
+  , lmFileInfo          :: !FileInfo
-
-  , lmIncludeDeps       :: !(Set FilePath)    -- ^ Files that were included
-  , lmImportDeps        :: !(Set ModulePath)  -- ^ Files that were imported
-  , lmForeignDeps       :: !(Set FilePath)    -- ^ Foreign libraries
 
   , lmData              :: a
   } deriving (Show, Generic, NFData)
@@ -475,11 +471,11 @@ lookupSignature mn me =
 
 addLoadedSignature ::
   ModulePath -> String ->
-  Fingerprint -> Set FilePath -> Set ModulePath ->
+  FileInfo ->
   R.NamingEnv ->
   ModName -> T.ModParamNames ->
   LoadedModules -> LoadedModules
-addLoadedSignature path ident fp incDeps impDeps nameEnv nm si lm
+addLoadedSignature path ident fi nameEnv nm si lm
   | isLoaded nm lm = lm
   | otherwise = lm { lmLoadedSignatures = loaded : lmLoadedSignatures lm }
   where
@@ -489,10 +485,7 @@ addLoadedSignature path ident fp incDeps impDeps nameEnv nm si lm
             , lmModuleId    = ident
             , lmNamingEnv   = nameEnv
             , lmData        = si
-            , lmFingerprint = fp
+            , lmFileInfo    = fi
-            , lmIncludeDeps = incDeps
-            , lmImportDeps  = impDeps
-            , lmForeignDeps = Set.empty
             }
 
 -- | Add a freshly loaded module.  If it was previously loaded, then
@@ -500,13 +493,11 @@ addLoadedSignature path ident fp incDeps impDeps nameEnv nm si lm
 addLoadedModule ::
   ModulePath ->
   String ->
-  Fingerprint ->
+  FileInfo ->
-  Set FilePath ->
-  Set ModulePath ->
   R.NamingEnv ->
   Maybe ForeignSrc ->
   T.Module -> LoadedModules -> LoadedModules
-addLoadedModule path ident fp incDeps impDeps nameEnv fsrc tm lm
+addLoadedModule path ident fi nameEnv fsrc tm lm
   | isLoaded (T.mName tm) lm  = lm
   | T.isParametrizedModule tm = lm { lmLoadedParamModules = loaded :
                                                 lmLoadedParamModules lm }
@@ -523,12 +514,7 @@ addLoadedModule path ident fp incDeps impDeps nameEnv fsrc tm lm
                              , lmdModule    = tm
                              , lmForeignSrc = fsrc
                              }
-    , lmFingerprint     = fp
+    , lmFileInfo        = fi
-    , lmIncludeDeps     = incDeps
-    , lmImportDeps      = impDeps
-    , lmForeignDeps     = fromMaybe Set.empty
-                          do fs <- fsrc
-                             Set.singleton <$> getForeignSrcPath fs
     }
 
 -- | Remove a previously loaded module.
@@ -543,6 +529,33 @@ removeLoadedModule rm lm =
     , lmLoadedSignatures    = filter (not . rm) (lmLoadedSignatures lm)
     }
 
+-- FileInfo --------------------------------------------------------------------
+
+data FileInfo = FileInfo
+  { fiFingerprint :: Fingerprint
+  , fiIncludeDeps :: Set FilePath
+  , fiImportDeps  :: Set ModName
+  , fiForeignDeps :: Set FilePath
+  } deriving (Show,Generic,NFData)
+
+
+fileInfo ::
+  Fingerprint ->
+  Set FilePath ->
+  Set ModName ->
+  Maybe ForeignSrc ->
+  FileInfo
+fileInfo fp incDeps impDeps fsrc =
+  FileInfo
+    { fiFingerprint = fp
+    , fiIncludeDeps = incDeps
+    , fiImportDeps  = impDeps
+    , fiForeignDeps = fromMaybe Set.empty
+                      do src <- fsrc
+                         Set.singleton <$> getForeignSrcPath src
+    }
+
+
 -- Dynamic Environments --------------------------------------------------------
 
 -- | Extra information we need to carry around to dynamically extend

src/Cryptol/ModuleSystem/Monad.hs

@@ -14,8 +14,6 @@
 {-# LANGUAGE BlockArguments #-}
 module Cryptol.ModuleSystem.Monad where
 
-import Data.Set(Set)
-
 import           Cryptol.Eval (EvalEnv,EvalOpts(..))
 
 import           Cryptol.Backend.FFI (ForeignSrc)
@@ -24,7 +22,6 @@ import qualified Cryptol.Backend.Monad           as E
 
 import           Cryptol.ModuleSystem.Env
 import qualified Cryptol.ModuleSystem.Env as MEnv
-import           Cryptol.ModuleSystem.Fingerprint
 import           Cryptol.ModuleSystem.Interface
 import           Cryptol.ModuleSystem.Name (FreshM(..),Supply)
 import           Cryptol.ModuleSystem.Renamer (RenamerError(),RenamerWarning())
@@ -533,14 +530,12 @@ unloadModule rm = ModuleT $ do
 
 loadedModule ::
   ModulePath ->
-  Fingerprint ->
+  FileInfo ->
   NamingEnv ->
-  Set FilePath    {- ^ includes -} ->
-  Set ModulePath  {- ^ imports -} ->
   Maybe ForeignSrc ->
   T.TCTopEntity ->
   ModuleM ()
-loadedModule path fp nameEnv incDeps impDeps fsrc m = ModuleT $ do
+loadedModule path fi nameEnv fsrc m = ModuleT $ do
   env <- get
   ident <- case path of
              InFile p  -> unModuleT $ io (canonicalizePath p)
@@ -548,10 +543,8 @@ loadedModule path fp nameEnv incDeps impDeps fsrc m = ModuleT $ do
 
   let newLM =
         case m of
-          T.TCTopModule mo ->
+          T.TCTopModule mo -> addLoadedModule path ident fi nameEnv fsrc mo
-            addLoadedModule path ident fp incDeps impDeps nameEnv fsrc mo
+          T.TCTopSignature x s -> addLoadedSignature path ident fi nameEnv x s
-          T.TCTopSignature x s ->
-            addLoadedSignature path ident fp incDeps impDeps nameEnv x s
 
   set $! env { meLoadedModules = newLM (meLoadedModules env) }