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Revision 22990, 0.7 kB
(checked in by audreyt, 9 days ago)
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* GHC 6.10 support, part 3 of 3: Adjust for GADT's "rigid types" restriction.
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| 1 | {-# OPTIONS_GHC -fglasgow-exts -cpp #-} |
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| 2 | |
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| 3 | module Pugs.Embed.Haskell where |
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| 4 | |
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| 5 | -- #include "../pugs_config.h" |
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| 6 | #if !defined(PUGS_HAVE_HSPLUGINS) |
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| 7 | |
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| 8 | import Pugs.AST |
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| 9 | |
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| 10 | evalHaskell :: String -> Eval Val |
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| 11 | evalHaskell _ = fail "need hs-plugins for eval_haskell" |
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| 12 | |
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| 13 | #else |
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| 14 | |
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| 15 | import qualified System.Eval |
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| 16 | import Pugs.AST |
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| 17 | |
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| 18 | evalHaskell :: String -> Eval Val |
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| 19 | evalHaskell code = do |
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| 20 | let imports = [] |
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| 21 | -- eval_ code [import] [flags] [package.confs] [load paths] |
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| 22 | -- -> IO (Either [error-strings] (Maybe a)) |
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| 23 | ret <- io $ System.Eval.eval_ code imports [] [] [] |
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| 24 | case ret of |
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| 25 | Right (Just x) -> return $ VStr x |
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| 26 | Right Nothing -> fail "Something strange happened" |
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| 27 | Left x -> fail $ unlines x |
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| 28 | |
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| 29 | #endif |
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