tools/pas2c/landTemplatesUnit2yaml.hs
author alfadur
Sat, 16 Oct 2021 04:06:47 +0300
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{-# LANGUAGE OverloadedStrings #-}
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module Main where
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import Control.Monad
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import Data.Maybe
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import qualified Data.Yaml as YAML
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import Data.Yaml ((.=))
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import Data.List
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import qualified Data.ByteString.Char8 as B
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import qualified Data.Text as Text
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import PascalUnitSyntaxTree
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fixName :: String -> String
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fixName "MaxHedgeHogs" = "max_hedgehogs"
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fixName"canFlip" = "can_flip"
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fixName"canInvert" = "can_invert"
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fixName"canMirror" = "can_mirror"
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fixName"TemplateWidth" = "width"
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fixName"TemplateHeight" = "height"
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fixName"RandPassesCount" = "rand_passes"
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fixName"BezierizeCount" = "bezie_passes"
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fixName"hasGirders" = "put_girders"
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fixName"isNegative" = "is_negative"
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fixName a = a
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instance YAML.ToJSON InitExpression where
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  toJSON (InitArray ar) = YAML.toJSON ar
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  toJSON (InitRecord ar) = YAML.object $ map (\(Identifier i _, iref) ->  Text.pack (fixName i) .= iref) $ filter isRelevant ar
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    where
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        isRelevant (Identifier i _, _) | i `elem` ["BasePoints", "FillPoints", "BasePointsCount", "FillPointsCount"] = False
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        isRelevant _ = True
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  toJSON (InitTypeCast {}) = YAML.object []
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  toJSON (BuiltInFunction {}) = YAML.object []
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  toJSON (InitNumber n) = YAML.toJSON (read n :: Int)
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  toJSON (InitReference (Identifier "true" _)) = YAML.toJSON True
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  toJSON (InitReference (Identifier "false" _)) = YAML.toJSON False
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  toJSON a = error $ show a
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instance YAML.ToJSON Identifier where
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    toJSON (Identifier i _) = YAML.toJSON i
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data Template = Template InitExpression ([InitExpression], InitExpression)
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    deriving Show
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instance YAML.ToJSON Template where
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    toJSON (Template (InitRecord ri) (points, fpoints)) = YAML.toJSON $ InitRecord $ ri ++ [(Identifier "outline_points" BTUnknown, InitArray points), (Identifier "fill_points" BTUnknown, fpoints)]
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takeLast i = reverse . take i . reverse
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extractDeclarations  :: PascalUnit -> [TypeVarDeclaration]
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extractDeclarations (Unit (Identifier "uLandTemplates" _) (Interface _ (TypesAndVars decls)) _ _ _) = decls
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extractDeclarations _ = error "Unexpected file structure"
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extractTemplatePoints :: Int -> [TypeVarDeclaration] -> ([InitExpression], InitExpression)
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extractTemplatePoints templateNumber decls = (breakNTPX . head . catMaybes $ map (toTemplatePointInit "Points") decls, head . catMaybes $ map (toTemplatePointInit "FPoints") decls)
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    where
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        toTemplatePointInit suffix (VarDeclaration False False ([Identifier i _], _) ie)
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            | (i == "Template" ++ show templateNumber ++ suffix) = ie
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            | otherwise = Nothing
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        toTemplatePointInit _ _ = Nothing
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        breakNTPX :: InitExpression -> [InitExpression]
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        breakNTPX (InitArray ia) = map InitArray . filter ((<) 0 . length) . map (filter (not . isNtpx)) $ groupBy (\a b -> isNtpx a == isNtpx b) ia
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        breakNTPX a = error $ show a
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        isNtpx :: InitExpression -> Bool
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        isNtpx (InitRecord ((Identifier "x" _, InitReference (Identifier "NTPX" _)):_)) = True
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        isNtpx _ = False
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extractTemplates :: [TypeVarDeclaration] -> [Template]
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extractTemplates decls = map toFull $ zip (head . catMaybes $ map toTemplateInit decls) [0..]
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    where
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        toTemplateInit (VarDeclaration False False ([Identifier "EdgeTemplates" _], _) (Just (InitArray ia))) = Just ia
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        toTemplateInit _ = Nothing
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        toFull (ie, num) = let ps = extractTemplatePoints num decls in if "NTPX" `isInfixOf` show ps then error $ show num ++ " " ++ show ps else Template ie ps
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convert :: PascalUnit -> B.ByteString
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convert pu = YAML.encode . extractTemplates . extractDeclarations $ pu
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main = do
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    f <- liftM read $ readFile "uLandTemplates.dump"
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    B.putStrLn $ convert f