author | unc0rr |
Wed, 17 Nov 2010 22:26:34 +0300 | |
changeset 4371 | ae172b2b03ed |
parent 4367 | f4a0ec067601 |
child 4382 | 935de6cd5ea3 |
permissions | -rw-r--r-- |
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Dumb parser of pascal, and a program which lists unit dependencies
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module Main where |
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import PascalParser |
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Dumb parser of pascal, and a program which lists unit dependencies
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import System |
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Dumb parser of pascal, and a program which lists unit dependencies
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import Control.Monad |
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import Data.Either |
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Dumb parser of pascal, and a program which lists unit dependencies
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import Data.List |
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import Data.Graph |
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Dumb parser of pascal, and a program which lists unit dependencies
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unident :: Identificator -> String |
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unident (Identificator s) = s |
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extractUnits :: PascalUnit -> (String, [String]) |
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extractUnits (Program (Identificator name) (Implementation (Uses idents) _ _) _) = ("program " ++ name, map unident idents) |
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extractUnits (Unit (Identificator name) (Interface (Uses idents1) _) (Implementation (Uses idents2) _ _) _ _) = (name, map unident $ idents1 ++ idents2) |
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f :: [(String, [String])] -> String |
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f = unlines . map showSCC . stronglyConnComp . map (\(a, b) -> (a, a, b)) |
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where |
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showSCC (AcyclicSCC v) = v |
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showSCC (CyclicSCC vs) = intercalate ", " vs |
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main = do |
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fileNames <- getArgs |
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files <- mapM readFile fileNames |
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putStrLn . f . map extractUnits . rights . map parsePascalUnit $ files |