Fix exactprinting fallback for inline splice

source/library/Language/Haskell/Brittany/Internal/ToBriDocTools.hs

@@ -89,31 +89,27 @@ briDocByExactInlineOnly
      )
   => String
   -> GHC.XRec GhcPs a
-  -> ToBriDocM BriDocNumbered
+  -> ToBriDocM (BriDocNumbered)
 briDocByExactInlineOnly infoStr ast = do
-  traceIfDumpConf
+  traceIfDumpConf "ast"
-    "ast"
                   _dconf_dump_ast_unknown
                   (printTreeWithCustom 160 customLayouterF ast)
-  let exactPrinted = Text.pack $ ExactPrint.exactPrint ast
+  let exactPrinted =
+        dropWhile Text.null $ Text.lines $ Text.pack $ ExactPrint.exactPrint ast
   fallbackMode <-
     mAsk <&> _conf_errorHandling .> _econf_ExactPrintFallback .> confUnpack
-  let
+  let exactPrintNode t = allocateNode $ BDExternal False t
-    exactPrintNode t =
+  let errorAction = do
-      allocateNode $ BDExternal
-      -- (ExactPrint.Types.mkAnnKey ast)
-      -- (foldedAnnKeys ast)
-                                 False t
-  let
-    errorAction = do
         mTell [ErrorUnknownNode infoStr ast]
-      docLit $ Text.pack "{- BRITTANY ERROR UNHANDLED SYNTACTICAL CONSTRUCT -}"
+        docLit
+          $ Text.pack "{- BRITTANY ERROR UNHANDLED SYNTACTICAL CONSTRUCT -}"
   mModify (+ connectedCommentCount ast)
-  case (fallbackMode, Text.lines exactPrinted) of
+  case (fallbackMode, exactPrinted) of
-    (ExactPrintFallbackModeNever, _) -> errorAction
+    (ExactPrintFallbackModeNever, _  ) -> errorAction
-    (_, [t]) -> exactPrintNode
+    (_                          , [t]) -> exactPrintNode
       (Text.dropWhile Char.isSpace . Text.dropWhileEnd Char.isSpace $ t)
-    (ExactPrintFallbackModeRisky, _) -> exactPrintNode exactPrinted
+    (ExactPrintFallbackModeRisky, _) -> exactPrintNode
+      (Text.unlines exactPrinted)
     _ -> errorAction
 
 rdrNameToText :: RdrName -> Text