22 lines
544 B
Haskell
22 lines
544 B
Haskell
module Main where
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import Parser
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import Evaluator
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import System.Console.Haskeline
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main :: IO ()
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main = runInputT defaultSettings repl
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where repl = do
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line <- getInputLine "picolisp> "
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case line of
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Nothing -> return ()
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Just s -> do
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let eithE = parseExpression s
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case eithE of
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Left err -> do
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outputStrLn $ show err
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repl
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Right e -> do
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outputStrLn . show $ eval e
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repl
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