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-rw-r--r--src/Text/Pandoc/Lua/Module/Pandoc.hs17
1 files changed, 17 insertions, 0 deletions
diff --git a/src/Text/Pandoc/Lua/Module/Pandoc.hs b/src/Text/Pandoc/Lua/Module/Pandoc.hs
index 340c324ad..458795029 100644
--- a/src/Text/Pandoc/Lua/Module/Pandoc.hs
+++ b/src/Text/Pandoc/Lua/Module/Pandoc.hs
@@ -1,5 +1,6 @@
{-# LANGUAGE FlexibleContexts #-}
{-# LANGUAGE OverloadedStrings #-}
+{-# LANGUAGE ScopedTypeVariables #-}
{-# LANGUAGE TypeApplications #-}
{- |
Module : Text.Pandoc.Lua.Module.Pandoc
@@ -20,8 +21,10 @@ import Control.Applicative ((<|>), optional)
import Control.Monad ((>=>), (<$!>), forM_, when)
import Control.Monad.Catch (catch, throwM)
import Control.Monad.Except (throwError)
+import Data.Data (Data, dataTypeConstrs, dataTypeOf, showConstr)
import Data.Default (Default (..))
import Data.Maybe (fromMaybe)
+import Data.Proxy (Proxy (Proxy))
import Data.Text (Text)
import HsLua as Lua hiding (Div, pushModule)
import HsLua.Class.Peekable (PeekError)
@@ -87,6 +90,9 @@ pushModule = do
pop 1 -- remaining constructor table
addConstructorTable (blockConstructors @PandocError)
addConstructorTable (inlineConstructors @PandocError)
+ -- Add string constants
+ forM_ stringConstants $ \c -> do
+ pushString c *> pushString c *> rawset (nth 3)
return 1
inlineConstructors :: LuaError e => [DocumentedFunction e]
@@ -307,6 +313,17 @@ otherConstructors =
, mkListAttributes
]
+stringConstants :: [String]
+stringConstants =
+ let constrs :: forall a. Data a => Proxy a -> [String]
+ constrs _ = map showConstr . dataTypeConstrs . dataTypeOf @a $ undefined
+ in constrs (Proxy @ListNumberStyle)
+ ++ constrs (Proxy @ListNumberDelim)
+ ++ constrs (Proxy @QuoteType)
+ ++ constrs (Proxy @MathType)
+ ++ constrs (Proxy @Alignment)
+ ++ constrs (Proxy @CitationMode)
+
walkElement :: (Walkable (SingletonsList Inline) a,
Walkable (SingletonsList Block) a,
Walkable (List Inline) a,