@@ -66,7 +66,7 @@ data PSCiState = PSCiState
6666 { psciImportedFilenames :: [FilePath]
6767 , psciImportedModuleNames :: [P.ModuleName]
6868 , psciLoadedModules :: [(FilePath, P.Module)]
69− , psciLetBindings :: [P.Expr -> P.Expr]
69+ , psciLetBindings :: [P.Value -> P.Value]
7070 }
7171
7272-- State helpers
@@ -92,7 +92,7 @@ updateModules modules st = st { psciLoadedModules = psciLoadedModules st ++ modu
9292-- |
9393-- Updates the state to have more let bindings.
9494--
95−updateLets :: (P.Expr -> P.Expr) -> PSCiState -> PSCiState
95+updateLets :: (P.Value -> P.Value) -> PSCiState -> PSCiState
9696updateLets name st = st { psciLetBindings = name : psciLetBindings st }
9797
9898-- File helpers
@@ -242,11 +242,11 @@ mkdirp = createDirectoryIfMissing True . takeDirectory
242242-- |
243243-- Makes a volatile module to execute the current expression.
244244--
245−createTemporaryModule :: Bool -> PSCiState -> P.Expr -> P.Module
245+createTemporaryModule :: Bool -> PSCiState -> P.Value -> P.Module
246246createTemporaryModule exec PSCiState{psciImportedModuleNames = imports, psciLetBindings = lets} value =
247247 let
248− moduleName = P.ModuleName [P.ProperName "Main"]
249− importDecl m = P.ImportDeclaration m P.Unqualified Nothing
248+ moduleName = P.ModuleName [P.ProperName "$PSCI"]
249+ importDecl m = P.ImportDeclaration m Nothing Nothing
250250 traceModule = P.ModuleName [P.ProperName "Debug", P.ProperName "Trace"]
251251 trace = P.Var (P.Qualified (Just traceModule) (P.Ident "print"))
252252 itValue = foldl (\x f -> f x) value lets
@@ -263,8 +263,8 @@ createTemporaryModule exec PSCiState{psciImportedModuleNames = imports, psciLetB
263263createTemporaryModuleForKind :: PSCiState -> P.Type -> P.Module
264264createTemporaryModuleForKind PSCiState{psciImportedModuleNames = imports} typ =
265265 let
266− moduleName = P.ModuleName [P.ProperName "Main"]
267− importDecl m = P.ImportDeclaration m P.Unqualified Nothing
266+ moduleName = P.ModuleName [P.ProperName "$PSCI"]
267+ importDecl m = P.ImportDeclaration m Nothing Nothing
268268 itDecl = P.TypeSynonymDeclaration (P.ProperName "IT") [] typ
269269 in
270270 P.Module moduleName ((importDecl `map` imports) ++ [itDecl]) Nothing
@@ -278,15 +278,15 @@ indexFile = ".psci_modules" ++ pathSeparator : "index.js"
278278-- |
279279-- Takes a value declaration and evaluates it with the current state.
280280--
281−handleDeclaration :: P.Expr -> PSCI ()
281+handleDeclaration :: P.Value -> PSCI ()
282282handleDeclaration value = do
283283 st <- PSCI $ lift get
284284 let m = createTemporaryModule True st value
285− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [("Main.purs", m)])
285+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [("$PSCI.purs", m)])
286286 case e of
287287 Left err -> PSCI $ outputStrLn err
288288 Right _ -> do
289− psciIO $ writeFile indexFile $ "require('Main').main();"
289+ psciIO $ writeFile indexFile $ "require('$PSCI').main();"
290290 process <- psciIO findNodeProcess
291291 result <- psciIO $ traverse (\node -> readProcessWithExitCode node [indexFile] "") process
292292 case result of
@@ -297,15 +297,15 @@ handleDeclaration value = do
297297-- |
298298-- Takes a value and prints its type
299299--
300−handleTypeOf :: P.Expr -> PSCI ()
300+handleTypeOf :: P.Value -> PSCI ()
301301handleTypeOf value = do
302302 st <- PSCI $ lift get
303303 let m = createTemporaryModule False st value
304− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [("Main.purs", m)])
304+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [("$PSCI.purs", m)])
305305 case e of
306306 Left err -> PSCI $ outputStrLn err
307307 Right env' ->
308− case M.lookup (P.ModuleName [P.ProperName "Main"], P.Ident "it") (P.names env') of
308+ case M.lookup (P.ModuleName [P.ProperName "$PSCI"], P.Ident "it") (P.names env') of
309309 Just (ty, _, _) -> PSCI . outputStrLn . P.prettyPrintType $ ty
310310 Nothing -> PSCI $ outputStrLn "Could not find type"
311311
@@ -316,8 +316,8 @@ handleKindOf :: P.Type -> PSCI ()
316316handleKindOf typ = do
317317 st <- PSCI $ lift get
318318 let m = createTemporaryModuleForKind st typ
319− mName = P.ModuleName [P.ProperName "Main"]
320− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [("Main.purs", m)])
319+ mName = P.ModuleName [P.ProperName "$PSCI"]
320+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [("$PSCI.purs", m)])
321321 case e of
322322 Left err -> PSCI $ outputStrLn err
323323 Right env' ->
@@ -325,7 +325,7 @@ handleKindOf typ = do
325325 Just (_, typ') -> do
326326 let chk = P.CheckState env' 0 0 (Just mName)
327327 k = L.runStateT (P.unCheck (P.kindOf mName typ')) chk
328− case k of
328+ case k of
329329 Left errStack -> PSCI . outputStrLn . P.prettyPrintErrorStack False $ errStack
330330 Right (kind, _) -> PSCI . outputStrLn . P.prettyPrintKind $ kind
331331 Nothing -> PSCI $ outputStrLn "Could not find kind"
@@ -340,6 +340,7 @@ getCommand = do
340340 firstLine <- getInputLine "> "
341341 case firstLine of
342342 Nothing -> return (Right Nothing)
343+ Just "" -> return (Right Nothing)
343344 Just s@ (':' : _) -> return . either Left (Right . Just) $ parseCommand s -- The start of a command
344345 Just s -> either Left (Right . Just) . parseCommand <$> go [s]
345346 where