root / src / Ganeti / Hs2Py / GenConstants.hs @ 4c9fdf69
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1 | d34c79b6 | Jose A. Lopes | {-| Template Haskell code for Haskell to Python constants. |
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2 | d34c79b6 | Jose A. Lopes | |
3 | d34c79b6 | Jose A. Lopes | -} |
4 | d34c79b6 | Jose A. Lopes | |
5 | d34c79b6 | Jose A. Lopes | {- |
6 | d34c79b6 | Jose A. Lopes | |
7 | d34c79b6 | Jose A. Lopes | Copyright (C) 2013 Google Inc. |
8 | d34c79b6 | Jose A. Lopes | |
9 | d34c79b6 | Jose A. Lopes | This program is free software; you can redistribute it and/or modify |
10 | d34c79b6 | Jose A. Lopes | it under the terms of the GNU General Public License as published by |
11 | d34c79b6 | Jose A. Lopes | the Free Software Foundation; either version 2 of the License, or |
12 | d34c79b6 | Jose A. Lopes | (at your option) any later version. |
13 | d34c79b6 | Jose A. Lopes | |
14 | d34c79b6 | Jose A. Lopes | This program is distributed in the hope that it will be useful, but |
15 | d34c79b6 | Jose A. Lopes | WITHOUT ANY WARRANTY; without even the implied warranty of |
16 | d34c79b6 | Jose A. Lopes | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
17 | d34c79b6 | Jose A. Lopes | General Public License for more details. |
18 | d34c79b6 | Jose A. Lopes | |
19 | d34c79b6 | Jose A. Lopes | You should have received a copy of the GNU General Public License |
20 | d34c79b6 | Jose A. Lopes | along with this program; if not, write to the Free Software |
21 | d34c79b6 | Jose A. Lopes | Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
22 | d34c79b6 | Jose A. Lopes | 02110-1301, USA. |
23 | d34c79b6 | Jose A. Lopes | |
24 | d34c79b6 | Jose A. Lopes | -} |
25 | d34c79b6 | Jose A. Lopes | {-# LANGUAGE TemplateHaskell #-} |
26 | d34c79b6 | Jose A. Lopes | module Ganeti.Hs2Py.GenConstants (genPyConstants) where |
27 | d34c79b6 | Jose A. Lopes | |
28 | d34c79b6 | Jose A. Lopes | import Language.Haskell.TH |
29 | d34c79b6 | Jose A. Lopes | |
30 | d34c79b6 | Jose A. Lopes | import Ganeti.THH |
31 | d34c79b6 | Jose A. Lopes | |
32 | d34c79b6 | Jose A. Lopes | genList :: Name -> [Name] -> Q [Dec] |
33 | d34c79b6 | Jose A. Lopes | genList name consNames = do |
34 | d34c79b6 | Jose A. Lopes | let cons = listE $ map (\n -> tupE [mkString n, mkPyValueEx n]) consNames |
35 | d34c79b6 | Jose A. Lopes | sig <- sigD name [t| [(String, String)] |] |
36 | d34c79b6 | Jose A. Lopes | fun <- funD name [clause [] (normalB cons) []] |
37 | d34c79b6 | Jose A. Lopes | return [sig, fun] |
38 | d34c79b6 | Jose A. Lopes | where mkString n = stringE (deCamelCase (nameBase n)) |
39 | d34c79b6 | Jose A. Lopes | mkPyValueEx n = [| showValue $(varE n) |] |
40 | d34c79b6 | Jose A. Lopes | |
41 | d34c79b6 | Jose A. Lopes | genPyConstants :: String -> [Name] -> Q [Dec] |
42 | d34c79b6 | Jose A. Lopes | genPyConstants name = genList (mkName name) |