root / src / Ganeti / Hs2Py / GenConstants.hs @ 4c9fdf69
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{-| Template Haskell code for Haskell to Python constants. |
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-} |
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{- |
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Copyright (C) 2013 Google Inc. |
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This program is free software; you can redistribute it and/or modify |
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it under the terms of the GNU General Public License as published by |
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the Free Software Foundation; either version 2 of the License, or |
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(at your option) any later version. |
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This program is distributed in the hope that it will be useful, but |
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WITHOUT ANY WARRANTY; without even the implied warranty of |
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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General Public License for more details. |
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You should have received a copy of the GNU General Public License |
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along with this program; if not, write to the Free Software |
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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02110-1301, USA. |
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-} |
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{-# LANGUAGE TemplateHaskell #-} |
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module Ganeti.Hs2Py.GenConstants (genPyConstants) where |
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import Language.Haskell.TH |
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import Ganeti.THH |
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genList :: Name -> [Name] -> Q [Dec] |
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genList name consNames = do |
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let cons = listE $ map (\n -> tupE [mkString n, mkPyValueEx n]) consNames |
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sig <- sigD name [t| [(String, String)] |] |
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fun <- funD name [clause [] (normalB cons) []] |
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return [sig, fun] |
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where mkString n = stringE (deCamelCase (nameBase n)) |
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mkPyValueEx n = [| showValue $(varE n) |] |
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genPyConstants :: String -> [Name] -> Q [Dec] |
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genPyConstants name = genList (mkName name) |