+-- Compile an expression into a dynamic
+
+dynCompileExpr :: Session -> String -> IO (Maybe Dynamic)
+dynCompileExpr ses expr = do
+ (full,exports) <- getContext ses
+ setContext ses full $
+ (mkModule
+ (stringToPackageId "base") (mkModuleName "Data.Dynamic")
+ ):exports
+ let stmt = "let __dynCompileExpr = Data.Dynamic.toDyn (" ++ expr ++ ")"
+ res <- withSession ses (flip hscStmt stmt)
+ setContext ses full exports
+ case res of
+ Nothing -> return Nothing
+ Just (_, names, hvals) -> do
+ vals <- (unsafeCoerce# hvals :: IO [Dynamic])
+ case (names,vals) of
+ (_:[], v:[]) -> return (Just v)
+ _ -> panic "dynCompileExpr"
+
+-- -----------------------------------------------------------------------------