forked from GitHub/gf-core
29 lines
831 B
Haskell
29 lines
831 B
Haskell
import System
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import Char
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-- usage: extract2gf <lang> <extracted>
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main = do
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la:f:_ <- getArgs
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let cnc = f ++ ".gf"
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let abs = f ++ "Abs.gf"
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s <- readFile f
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writeFile abs $ "abstract " ++ f ++ "Abs = Cat ** {\n"
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writeFile cnc $ "concrete " ++ f ++ " of " ++ f ++
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"Abs = Cat" ++ la ++ " ** open Paradigms" ++ la ++ " in {\n"
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mapM_ (mkOne abs cnc . words) $ filter (not . empty) $ lines s
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appendFile abs "}"
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appendFile cnc "}"
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-- format: cat oper args
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mkOne abs cnc (cat : oper : args@(a1:_)) = do
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appendFile abs $ " fun " ++ fun ++ " : " ++ cat ++ " ;\n"
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appendFile cnc $ " lin " ++ fun ++ " = " ++ lin ++ " ;\n"
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where
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fun = a1 ++ "_" ++ cat ++ "_" ++ oper
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lin = unwords $ oper:["\"" ++ s ++ "\"" | s <- args]
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mkOne _ _ ws = putStrLn $ unwords ws
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empty s = all isSpace s || take 2 s == "--"
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