25 lines
635 B
Haskell
25 lines
635 B
Haskell
module Info where
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import Control.Applicative
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import GHC
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import Outputable
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import PprTyThing
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import Types
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typeExpr :: Options -> String -> String -> IO String
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typeExpr _ expr file = (++ "\n") <$> typeOf file expr
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typeOf :: String -> String -> IO String
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typeOf fileName expr = withGHC $ do
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initSession []
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setTargetFile fileName
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load LoadAllTargets
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setContextFromTarget
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pretty <$> exprType expr
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where
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setContextFromTarget = do
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ms <- depanal [] False
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mdl <- findModule (ms_mod_name (head ms)) Nothing
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setContext [mdl] []
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pretty = showSDocForUser neverQualify . pprTypeForUser False
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