Language.Haskell.Interpreter

hintパッケージより。hintはGHC APIのラッパーで簡単に動的にスクリプトを読めるので、プラグインとかはこれで作れそう。

% runghc
module Main where
import Language.Haskell.Interpreter

main :: IO ()
main = do
  res <- runInterpreter withPlugins
  putStrLn . show $ res
  return ()

withPlugins :: InterpreterT IO ()
withPlugins = do
  setImports ["Prelude", "Data.List"]
  evaled <- interpret "intersperse ',' \"ABCDEF\"" (as :: String)
  (lift . putStrLn) evaled
  return ()

A,B,C,D,E,F
Right ()