From 9abdbb2783d246c736f05119390e81084f9ab07c Mon Sep 17 00:00:00 2001
From: Albert Krewinkel <albert@zeitkraut.de>
Date: Mon, 1 Oct 2018 16:10:46 +0200
Subject: Lua filters: report traceback when an error occurs
A proper Lua traceback is added if either loading of a file or execution
of a filter function fails. This should be of help to authors of Lua
filters who need to debug their code.
---
src/Text/Pandoc/Writers/Custom.hs | 4 ++--
1 file changed, 2 insertions(+), 2 deletions(-)
(limited to 'src/Text/Pandoc/Writers')
diff --git a/src/Text/Pandoc/Writers/Custom.hs b/src/Text/Pandoc/Writers/Custom.hs
index 1d1261baf..37fec9f0f 100644
--- a/src/Text/Pandoc/Writers/Custom.hs
+++ b/src/Text/Pandoc/Writers/Custom.hs
@@ -47,7 +47,7 @@ import Text.Pandoc.Error
import Text.Pandoc.Lua.Init (LuaException (LuaException), runPandocLua,
registerScriptPath)
import Text.Pandoc.Lua.StackInstances ()
-import Text.Pandoc.Lua.Util (addField)
+import Text.Pandoc.Lua.Util (addField, dofileWithTraceback)
import Text.Pandoc.Options
import Text.Pandoc.Templates
import qualified Text.Pandoc.UTF8 as UTF8
@@ -111,7 +111,7 @@ writeCustom :: FilePath -> WriterOptions -> Pandoc -> PandocIO Text
writeCustom luaFile opts doc@(Pandoc meta _) = do
res <- runPandocLua $ do
registerScriptPath luaFile
- stat <- Lua.dofile luaFile
+ stat <- dofileWithTraceback luaFile
-- check for error in lua script (later we'll change the return type
-- to handle this more gracefully):
when (stat /= Lua.OK) $
--
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