From 4de1c9b9159305a664a56589b9b6aa1bce0129aa Mon Sep 17 00:00:00 2001
From: Jan Tuomi <jans.tuomi@gmail.com>
Date: Tue, 6 Dec 2022 18:25:47 +0200
Subject: Refactor -e option into -E and -e

---
 src/Interpreter.hs | 14 +++++++++++---
 src/Utils.hs       |  8 +++++++-
 2 files changed, 18 insertions(+), 4 deletions(-)

(limited to 'src')

diff --git a/src/Interpreter.hs b/src/Interpreter.hs
index f9e00b9..3e74c37 100644
--- a/src/Interpreter.hs
+++ b/src/Interpreter.hs
@@ -205,7 +205,8 @@ evaluateImport asts = do
         args = tail asts
 
     d <- getDepth
-    when (d > 1) $ throwL (astPos importAst) $ "import can only be called on the top level, current depth: " ++ show d
+    when (d > 1) $ throwL (astPos importAst) $
+        "import can only be called on the top level, current depth: " ++ show d
 
     config <- getConfig
     let initialState = LState {
@@ -423,8 +424,15 @@ runInlineScript' lineNo fileName src = do
         liftIO $ putStrLn output
 
     evaluated <- foldEvaluate parsed
-    when (configPrintEvaled config) $ do
-        liftIO $ mapM_ putStrLn (map show evaluated)
+
+    case configPrintEvaled config of
+        PrintEvaledAll -> liftIO $ mapM_ putStrLn (map show evaluated)
+        PrintEvaledNonUnit -> do
+            let evaledNonUnits = evaluated $>
+                    filter (\case AST { astNode = ASTUnit } -> False
+                                  _ -> True)
+            liftIO $ mapM_ putStrLn (map show evaledNonUnits)
+        PrintEvaledOff -> return ()
 
     return evaluated
         where
diff --git a/src/Utils.hs b/src/Utils.hs
index 2f9e3c0..c2a5088 100644
--- a/src/Utils.hs
+++ b/src/Utils.hs
@@ -15,11 +15,17 @@ type PositionString = String
 type ErrorString = String
 data LException = LException (Maybe PositionString) ErrorString
 
+data PrintEvaled
+    = PrintEvaledOff
+    | PrintEvaledAll
+    | PrintEvaledNonUnit
+    deriving Show
+
 data Config = Config {
     configScriptFileName :: Maybe String,
     configVerboseMode :: Bool,
     configShowHelp :: Bool,
-    configPrintEvaled :: Bool,
+    configPrintEvaled :: PrintEvaled,
     configPrintCallStack :: Bool,
     configUseREPL :: Bool
 }
-- 
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