tools/pas2c.hs
author unc0rr
Thu, 10 May 2012 11:12:06 +0400
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child 7037 7edce323558f
permissions -rw-r--r--
Implement built-in functions Low() and High()
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{-# LANGUAGE ScopedTypeVariables #-}
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module Pas2C where
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import Text.PrettyPrint.HughesPJ
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import Data.Maybe
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import Data.Char
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import Text.Parsec.Prim hiding (State)
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import Control.Monad.State
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import System.IO
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import System.Directory
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import Control.Monad.IO.Class
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import PascalPreprocessor
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import Control.Exception
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import System.IO.Error
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import qualified Data.Map as Map
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import qualified Data.Set as Set
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import Data.List (find)
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import Numeric
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import PascalParser
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import PascalUnitSyntaxTree
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data InsertOption = 
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    IOInsert
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    | IOLookup
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    | IOLookupFunction Int
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    | IODeferred
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type Records = Map.Map String [(String, BaseType)]
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data RenderState = RenderState 
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    {
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        currentScope :: Records,
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        lastIdentifier :: String,
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        lastType :: BaseType,
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        stringConsts :: [(String, String)],
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        uniqCounter :: Int,
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        toMangle :: Set.Set String,
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        currentUnit :: String,
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        namespaces :: Map.Map String Records
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    }
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emptyState = RenderState Map.empty "" BTUnknown [] 0 Set.empty ""
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getUniq :: State RenderState Int
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getUniq = do
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    i <- gets uniqCounter
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    modify(\s -> s{uniqCounter = uniqCounter s + 1})
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    return i
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addStringConst :: String -> State RenderState Doc
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addStringConst str = do
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    strs <- gets stringConsts
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    let a = find ((==) str . snd) strs
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    if isJust a then
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        do
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        modify (\s -> s{lastType = BTString})
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        return . text . fst . fromJust $ a
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    else
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        do
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        i <- getUniq
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        let sn = "__str" ++ show i
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        modify (\s -> s{lastType = BTString, stringConsts = (sn, str) : strs})
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        return $ text sn
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escapeStr :: String -> String
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escapeStr = foldr escapeChar []
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escapeChar :: Char -> ShowS
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escapeChar '"' s = "\\\"" ++ s
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escapeChar a s = a : s
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strInit :: String -> Doc
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strInit a = text "STRINIT" <> parens (doubleQuotes (text $ escapeStr a))
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renderStringConsts :: State RenderState Doc
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renderStringConsts = liftM (vcat . map (\(a, b) -> text "const string255" <+> (text a) <+> text "=" <+> strInit b <> semi)) 
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    $ gets stringConsts
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docToLower :: Doc -> Doc
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docToLower = text . map toLower . render
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pas2C :: String -> IO ()
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pas2C fn = do
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    setCurrentDirectory "../hedgewars/"
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    s <- flip execStateT initState $ f fn
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    renderCFiles s
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    where
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    printLn = liftIO . hPutStrLn stderr
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    print = liftIO . hPutStr stderr
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    initState = Map.empty
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    f :: String -> StateT (Map.Map String PascalUnit) IO ()
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    f fileName = do
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        processed <- gets $ Map.member fileName
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        unless processed $ do
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            print ("Preprocessing '" ++ fileName ++ ".pas'... ")
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            fc' <- liftIO 
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                $ tryJust (guard . isDoesNotExistError) 
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                $ preprocess (fileName ++ ".pas")
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            case fc' of
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                (Left a) -> do
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                    modify (Map.insert fileName (System []))
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                    printLn "doesn't exist"
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                (Right fc) -> do
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                    print "ok, parsing... "
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                    let ptree = parse pascalUnit fileName fc
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                    case ptree of
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                         (Left a) -> do
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                            liftIO $ writeFile "preprocess.out" fc
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                            printLn $ show a ++ "\nsee preprocess.out for preprocessed source"
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                            fail "stop"
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                         (Right a) -> do
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                            printLn "ok"
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                            modify (Map.insert fileName a)
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                            mapM_ f (usesFiles a)
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renderCFiles :: Map.Map String PascalUnit -> IO ()
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renderCFiles units = do
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    let u = Map.toList units
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    let nss = Map.map (toNamespace nss) units
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    hPutStrLn stderr $ "Units: " ++ (show . Map.keys . Map.filter (not . Map.null) $ nss)
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    --writeFile "pas2c.log" $ unlines . map (\t -> show (fst t) ++ "\n" ++ (unlines . map ((:) '\t' . show) . snd $ t)) . Map.toList $ nss
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    mapM_ (toCFiles nss) u
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    where
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    toNamespace :: Map.Map String Records -> PascalUnit -> Records
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    toNamespace nss (System tvs) = 
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        currentScope $ execState (mapM_ (tvar2C True) tvs) (emptyState nss)
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    toNamespace _ (Program {}) = Map.empty
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    toNamespace nss (Unit (Identifier i _) interface _ _ _) = 
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        currentScope $ execState (interface2C interface) (emptyState nss){currentUnit = map toLower i ++ "_"}
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withState' :: (RenderState -> RenderState) -> State RenderState a -> State RenderState a
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withState' f sf = do
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    st <- liftM f get
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    let (a, s) = runState sf st
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    modify(\st -> st{
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        lastType = lastType s
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        , uniqCounter = uniqCounter s
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        , stringConsts = stringConsts s
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        })
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    return a
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   144
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withLastIdNamespace :: State RenderState Doc -> State RenderState Doc
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withLastIdNamespace f = do
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    li <- gets lastIdentifier
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    nss <- gets namespaces
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    withState' (\st -> st{currentScope = fromMaybe Map.empty $ Map.lookup li (namespaces st)}) f
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withRecordNamespace :: String -> [(String, BaseType)] -> State RenderState Doc -> State RenderState Doc
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withRecordNamespace _ [] = error "withRecordNamespace: empty record"
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withRecordNamespace prefix recs = withState' f
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    where
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        f st = st{currentScope = Map.unionWith un records (currentScope st)}
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        records = Map.fromList $ map (\(a, b) -> (map toLower a, [(prefix ++ a, b)])) recs
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        un [a] b = a : b
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   158
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toCFiles :: Map.Map String Records -> (String, PascalUnit) -> IO ()
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toCFiles _ (_, System _) = return ()
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toCFiles ns p@(fn, pu) = do
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    hPutStrLn stderr $ "Rendering '" ++ fn ++ "'..."
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    toCFiles' p
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   164
    where
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    toCFiles' (fn, p@(Program {})) = writeFile (fn ++ ".c") $ (render2C initialState . pascal2C) p
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    toCFiles' (fn, (Unit unitId@(Identifier i _) interface implementation _ _)) = do
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        let (a, s) = runState (id2C IOInsert (setBaseType BTUnit unitId) >> interface2C interface) initialState{currentUnit = map toLower i ++ "_"}
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        writeFile (fn ++ ".h") $ "#pragma once\n\n#include \"pas2c.h\"\n\n" ++ (render (a $+$ text ""))
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        writeFile (fn ++ ".c") $ "#include \"" ++ fn ++ ".h\"\n" ++ (render2C s . implementation2C) implementation
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    initialState = emptyState ns
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   171
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    render2C :: RenderState -> State RenderState Doc -> String
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    render2C a = render . ($+$ empty) . flip evalState a
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   174
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usesFiles :: PascalUnit -> [String]
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usesFiles (Program _ (Implementation uses _) _) = "pas2cSystem" : uses2List uses
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usesFiles (Unit _ (Interface uses1 _) (Implementation uses2 _) _ _) = "pas2cSystem" : uses2List uses1 ++ uses2List uses2
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usesFiles (System {}) = []
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pascal2C :: PascalUnit -> State RenderState Doc
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pascal2C (Unit _ interface implementation init fin) =
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    liftM2 ($+$) (interface2C interface) (implementation2C implementation)
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pascal2C (Program _ implementation mainFunction) = do
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    impl <- implementation2C implementation
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    [main] <- tvar2C True 
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        (FunctionDeclaration (Identifier "main" BTInt) (SimpleType $ Identifier "int" BTInt) [] (Just (TypesAndVars [], mainFunction)))
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    return $ impl $+$ main
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interface2C :: Interface -> State RenderState Doc
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interface2C (Interface uses tvars) = do
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    u <- uses2C uses
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    tv <- typesAndVars2C True tvars
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    r <- renderStringConsts
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    return (u $+$ r $+$ tv)
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implementation2C :: Implementation -> State RenderState Doc
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implementation2C (Implementation uses tvars) = do
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    u <- uses2C uses
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    tv <- typesAndVars2C True tvars
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    r <- renderStringConsts
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    return (u $+$ r $+$ tv)
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checkDuplicateFunDecls :: [TypeVarDeclaration] -> State RenderState ()
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checkDuplicateFunDecls tvs =
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    modify $ \s -> s{toMangle = Map.keysSet . Map.filter (> 1) . foldr ins Map.empty $ tvs}
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    where
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        ins (FunctionDeclaration (Identifier i _) _ _ _) m = Map.insertWith (+) (map toLower i) 1 m
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        ins _ m = m
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typesAndVars2C :: Bool -> TypesAndVars -> State RenderState Doc
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typesAndVars2C b (TypesAndVars ts) = do
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    checkDuplicateFunDecls ts
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    liftM (vcat . map (<> semi) . concat) $ mapM (tvar2C b) ts
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setBaseType :: BaseType -> Identifier -> Identifier
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setBaseType bt (Identifier i _) = Identifier i bt
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   221
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uses2C :: Uses -> State RenderState Doc
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uses2C uses@(Uses unitIds) = do
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   224
    mapM_ injectNamespace (Identifier "pas2cSystem" undefined : unitIds)
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    mapM_ (id2C IOInsert . setBaseType BTUnit) unitIds
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    return $ vcat . map (\i -> text $ "#include \"" ++ i ++ ".h\"") $ uses2List uses
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   227
    where
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    injectNamespace (Identifier i _) = do
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        getNS <- gets (flip Map.lookup . namespaces)
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        modify (\s -> s{currentScope = Map.unionWith (++) (fromMaybe Map.empty (getNS i)) $ currentScope s})
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1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
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uses2List :: Uses -> [String]
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uses2List (Uses ids) = map (\(Identifier i _) -> i) ids
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   234
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648caa66991b Convert into Reader monad
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   235
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id2C :: InsertOption -> Identifier -> State RenderState Doc
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id2C IOInsert (Identifier i t) = do
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   238
    ns <- gets currentScope
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    tom <- gets (Set.member n . toMangle)
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    cu <- gets currentUnit
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    let i' = case (t, tom) of
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            (BTFunction p _, True) -> cu ++ i ++ ('_' : show p)
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            (BTFunction _ _, _) -> cu ++ i
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            _ -> i
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    modify (\s -> s{currentScope = Map.insertWith (++) n [(i', t)] (currentScope s), lastIdentifier = n})
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    return $ text i'
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    where
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        n = map toLower i
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   249
id2C IOLookup (Identifier i t) = do
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    let i' = map toLower i
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   251
    v <- gets $ Map.lookup i' . currentScope
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   252
    lt <- gets lastType
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   253
    if isNothing v then 
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   254
        error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt
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   255
        else 
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   256
        let vv = head $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
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   257
id2C (IOLookupFunction params) (Identifier i t) = do
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   258
    let i' = map toLower i
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   259
    v <- gets $ Map.lookup i' . currentScope
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    lt <- gets lastType
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   261
    if isNothing v then 
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   262
        error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt ++ "\nwith num of params = " ++ show params ++ "\n" ++ show v
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   263
        else 
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   264
        let vv = fromMaybe (head $ fromJust v) . find checkParam $ fromJust v in 
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   265
            modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
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   266
    where
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        checkParam (_, BTFunction p _) = p == params
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   268
        checkParam _ = False
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   269
id2C IODeferred (Identifier i t) = do
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   270
    let i' = map toLower i
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   271
    v <- gets $ Map.lookup i' . currentScope
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    if (isNothing v) then
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   273
        modify (\s -> s{lastType = BTUnknown, lastIdentifier = i}) >> return (text i)
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        else
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        let vv = head $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
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   276
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   277
id2CTyped :: TypeDecl -> Identifier -> State RenderState Doc
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id2CTyped t (Identifier i _) = do
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   279
    tb <- resolveType t
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diff changeset
   280
    case tb of 
2c4151afad0c Workaround pointers to not yet defined types
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   281
        BTUnknown -> do
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
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   282
            error $ "id2CTyped: type BTUnknown for " ++ show i ++ "\ntype: " ++ show t
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
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diff changeset
   283
        _ -> return ()
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
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diff changeset
   284
    id2C IOInsert (Identifier i tb)
6626
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   285
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   286
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   287
resolveType :: TypeDecl -> State RenderState BaseType
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   288
resolveType st@(SimpleType (Identifier i _)) = do
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
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diff changeset
   289
    let i' = map toLower i
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   290
    v <- gets $ Map.lookup i' . currentScope
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   291
    if isJust v then return . snd . head $ fromJust v else return $ f i'
6626
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   292
    where
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   293
    f "integer" = BTInt
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   294
    f "pointer" = BTPointerTo BTVoid
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   295
    f "boolean" = BTBool
6649
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   296
    f "float" = BTFloat
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   297
    f "char" = BTChar
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   298
    f "string" = BTString
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   299
    f _ = error $ "Unknown system type: " ++ show st
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   300
resolveType (PointerTo (SimpleType (Identifier i _))) = return . BTPointerTo $ BTUnresolved (map toLower i)
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   301
resolveType (PointerTo t) = liftM BTPointerTo $ resolveType t
6626
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   302
resolveType (RecordType tv mtvs) = do
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   303
    tvs <- mapM f (concat $ tv : fromMaybe [] mtvs)
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   304
    return . BTRecord . concat $ tvs
6626
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   305
    where
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   306
        f :: TypeVarDeclaration -> State RenderState [(String, BaseType)]
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   307
        f (VarDeclaration _ (ids, td) _) = mapM (\(Identifier i _) -> liftM ((,) i) $ resolveType td) ids
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   308
resolveType (ArrayDecl (Just i) t) = do
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   309
    t' <- resolveType t
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   310
    return $ BTArray i BTInt t' 
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   311
resolveType (ArrayDecl Nothing t) = liftM (BTArray RangeInfinite BTInt) $ resolveType t
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   312
resolveType (FunctionType t a) = liftM (BTFunction (length a)) $ resolveType t
6835
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   313
resolveType (DeriveType (InitHexNumber _)) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   314
resolveType (DeriveType (InitNumber _)) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   315
resolveType (DeriveType (InitFloat _)) = return BTFloat
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   316
resolveType (DeriveType (InitString _)) = return BTString
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   317
resolveType (DeriveType (InitBinOp {})) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   318
resolveType (DeriveType (InitPrefixOp {})) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   319
resolveType (DeriveType (BuiltInFunction{})) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   320
resolveType (DeriveType (InitReference (Identifier{}))) = return BTBool -- TODO: derive from actual type
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   321
resolveType (DeriveType _) = return BTUnknown
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   322
resolveType (String _) = return BTString
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   323
resolveType VoidType = return BTVoid
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   324
resolveType (Sequence ids) = return $ BTEnum $ map (\(Identifier i _) -> map toLower i) ids
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents: 6838
diff changeset
   325
resolveType (RangeType _) = return $ BTVoid
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   326
resolveType (Set t) = liftM BTSet $ resolveType t
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents: 6838
diff changeset
   327
   
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   328
6967
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   329
resolve :: String -> BaseType -> State RenderState BaseType
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   330
resolve s (BTUnresolved t) = do
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   331
    v <- gets $ Map.lookup t . currentScope
6967
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   332
    if isJust v then
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   333
        resolve s . snd . head . fromJust $ v
6967
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   334
        else
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   335
        error $ "Unknown type " ++ show t ++ "\n" ++ s
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   336
resolve _ t = return t
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   337
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   338
fromPointer :: String -> BaseType -> State RenderState BaseType
1224c6fb36c3 Support recurrent function calls. The code is kinda hackish and ugly, but I really spent a few hours thinking on a good solution.
unc0rr
parents: 6965
diff changeset
   339
fromPointer s (BTPointerTo t) = resolve s t
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   340
--fromPointer s (BTFunctionReturn _ (BTPointerTo t)) = resolve s t
6855
807156c01475 Finish the toughest part of the converter. Now it knows types of everything, so could correctly recognize bitwise operators and type convertions.
unc0rr
parents: 6854
diff changeset
   341
fromPointer s t = do
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   342
    error $ "Dereferencing from non-pointer type " ++ show t ++ "\n" ++ s
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   343
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   344
    
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   345
functionParams2C params = liftM (hcat . punctuate comma . concat) $ mapM (tvar2C False) params
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   346
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   347
numberOfDeclarations :: [TypeVarDeclaration] -> Int
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   348
numberOfDeclarations = sum . map cnt
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   349
    where
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   350
        cnt (VarDeclaration _ (ids, _) _) = length ids
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   351
        cnt _ = 1
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   352
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   353
fun2C :: Bool -> String -> TypeVarDeclaration -> State RenderState [Doc]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   354
fun2C _ _ (FunctionDeclaration name returnType params Nothing) = do
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   355
    t <- type2C returnType 
6855
807156c01475 Finish the toughest part of the converter. Now it knows types of everything, so could correctly recognize bitwise operators and type convertions.
unc0rr
parents: 6854
diff changeset
   356
    t'<- gets lastType
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   357
    p <- withState' id $ functionParams2C params
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   358
    n <- id2C IOInsert $ setBaseType (BTFunction (numberOfDeclarations params) t') name
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   359
    return [t empty <+> n <> parens p]
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   360
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   361
fun2C True rv (FunctionDeclaration name returnType params (Just (tvars, phrase))) = do
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   362
    let res = docToLower $ text rv <> text "_result"
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   363
    t <- type2C returnType
6837
a137733c5776 Much better types handling, work correctly with functions
unc0rr
parents: 6836
diff changeset
   364
    t'<- gets lastType
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   365
    n <- id2C IOInsert $ setBaseType (BTFunction (numberOfDeclarations params) t') name
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   366
    (p, ph) <- withState' (\st -> st{currentScope = Map.insertWith un (map toLower rv) [(render res, t')] $ currentScope st}) $ do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   367
        p <- functionParams2C params
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   368
        ph <- liftM2 ($+$) (typesAndVars2C False tvars) (phrase2C' phrase)
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   369
        return (p, ph)
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   370
    let phrasesBlock = case returnType of
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   371
            VoidType -> ph
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   372
            _ -> t empty <+> res <> semi $+$ ph $+$ text "return" <+> res <> semi
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   373
    return [ 
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   374
        t empty <+> n <> parens p
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   375
        $+$
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   376
        text "{" 
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   377
        $+$ 
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   378
        nest 4 phrasesBlock
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   379
        $+$
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   380
        text "}"]
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   381
    where
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   382
    phrase2C' (Phrases p) = liftM vcat $ mapM phrase2C p
6425
1ef4192aa80d - Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents: 6417
diff changeset
   383
    phrase2C' p = phrase2C p
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   384
    un [a] b = a : b
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   385
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   386
fun2C False _ (FunctionDeclaration (Identifier name _) _ _ _) = error $ "nested functions not allowed: " ++ name
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   387
fun2C _ tv _ = error $ "fun2C: I don't render " ++ show tv
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   388
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   389
tvar2C :: Bool -> TypeVarDeclaration -> State RenderState [Doc]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   390
tvar2C b f@(FunctionDeclaration (Identifier name _) _ _ _) =
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   391
    fun2C b name f
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   392
tvar2C _ td@(TypeDeclaration i' t) = do
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   393
    i <- id2CTyped t i'
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   394
    tp <- case t of
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   395
        FunctionType {} -> type2C (PointerTo t)
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   396
        _ -> type2C t
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   397
    return [text "typedef" <+> tp i]
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   398
    
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   399
tvar2C _ (VarDeclaration isConst (ids, t) mInitExpr) = do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   400
    t' <- liftM (((if isConst then text "const" else empty) <+>) . ) $ type2C t
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   401
    ie <- initExpr mInitExpr
6979
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   402
    lt <- gets lastType
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   403
    case (isConst, lt, ids, mInitExpr) of
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   404
         (True, BTInt, [i], Just _) -> do
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   405
             i' <- id2CTyped t i
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   406
             return [text "enum" <> braces (i' <+> ie)]
7002
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   407
         (True, BTFloat, [i], Just e) -> do
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   408
             i' <- id2CTyped t i
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   409
             ie <- initExpr2C e
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   410
             return [text "#define" <+> i' <+> parens ie <> text "\n"]
6979
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   411
         _ -> liftM (map(\i -> t' i <+> ie)) $ mapM (id2CTyped t) ids
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   412
    where
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   413
    initExpr Nothing = return $ empty
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   414
    initExpr (Just e) = liftM (text "=" <+>) (initExpr2C e)
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   415
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   416
tvar2C f (OperatorDeclaration op (Identifier i _) ret params body) = do
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   417
    r <- op2CTyped op (extractTypes params)
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   418
    fun2C f i (FunctionDeclaration r ret params body)
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   419
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   420
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   421
op2CTyped :: String -> [TypeDecl] -> State RenderState Identifier
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   422
op2CTyped op t = do
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   423
    t' <- liftM (render . hcat . punctuate (char '_') . map (\t -> t empty)) $ mapM type2C t
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   424
    bt <- gets lastType
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   425
    return $ case bt of
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   426
         BTRecord {} -> Identifier (t' ++ "_op_" ++ opStr) bt
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   427
         _ -> Identifier t' bt
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   428
    where 
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   429
    opStr = case op of
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   430
                    "+" -> "add"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   431
                    "-" -> "sub"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   432
                    "*" -> "mul"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   433
                    "/" -> "div"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   434
                    "=" -> "eq"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   435
                    "<" -> "lt"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   436
                    ">" -> "gt"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   437
                    _ -> error $ "op2CTyped: unknown op '" ++ op ++ "'"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   438
    
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   439
extractTypes :: [TypeVarDeclaration] -> [TypeDecl]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   440
extractTypes = concatMap f
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   441
    where
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   442
        f (VarDeclaration _ (ids, t) _) = replicate (length ids) t
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   443
        f a = error $ "extractTypes: can't extract from " ++ show a
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   444
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   445
initExpr2C :: InitExpression -> State RenderState Doc
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   446
initExpr2C InitNull = return $ text "NULL"
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   447
initExpr2C (InitAddress expr) = liftM ((<>) (text "&")) (initExpr2C expr)
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   448
initExpr2C (InitPrefixOp op expr) = liftM (text (op2C op) <>) (initExpr2C expr)
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   449
initExpr2C (InitBinOp op expr1 expr2) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   450
    e1 <- initExpr2C expr1
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   451
    e2 <- initExpr2C expr2
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   452
    return $ parens $ e1 <+> text (op2C op) <+> e2
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   453
initExpr2C (InitNumber s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   454
initExpr2C (InitFloat s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   455
initExpr2C (InitHexNumber s) = return $ text "0x" <> (text . map toLower $ s)
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   456
initExpr2C (InitString [a]) = return . quotes $ text [a]
6965
5718ec36900c Rework string init macro
unc0rr
parents: 6923
diff changeset
   457
initExpr2C (InitString s) = return $ strInit s
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   458
initExpr2C (InitChar a) = return $ quotes $ text "\\x" <> text (showHex (read a) "")
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   459
initExpr2C (InitReference i) = id2C IOLookup i
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   460
initExpr2C (InitRecord fields) = do
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   461
    (fs :: [Doc]) <- mapM (\(Identifier a _, b) -> liftM (text "." <> text a <+> equals <+>) $ initExpr2C b) fields
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   462
    return $ lbrace $+$ (nest 4 . vcat . punctuate comma $ fs) $+$ rbrace
6859
cd0697c7e88b Unwind 'with' construction
unc0rr
parents: 6858
diff changeset
   463
initExpr2C (InitArray [value]) = initExpr2C value
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   464
initExpr2C (InitArray values) = liftM (braces . vcat . punctuate comma) $ mapM initExpr2C values
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   465
initExpr2C r@(InitRange (Range i@(Identifier i' _))) = do
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   466
    id2C IOLookup i
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   467
    t <- gets lastType
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   468
    case t of
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   469
         BTEnum s -> return . int $ length s
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   470
         BTInt -> case i' of
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   471
                       "byte" -> return $ int 256
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   472
                       _ -> error $ "InitRange identifier: " ++ i'
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   473
         _ -> error $ "InitRange: " ++ show r
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   474
initExpr2C (InitRange (RangeFromTo (InitNumber "0") r)) = initExpr2C $ BuiltInFunction "succ" [r]
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   475
initExpr2C (InitRange (RangeFromTo (InitChar "0") (InitChar r))) = initExpr2C $ BuiltInFunction "succ" [InitNumber r]
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   476
initExpr2C (InitRange a) = error $ show a --return $ text "<<range>>"
6872
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   477
initExpr2C (InitSet []) = return $ text "0"
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   478
initExpr2C (InitSet a) = return $ text "<<set>>"
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   479
initExpr2C (BuiltInFunction "low" [InitReference e]) = return $ 
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   480
    case e of
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   481
         (Identifier "LongInt" _) -> int (-2^31)
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   482
         (Identifier "SmallInt" _) -> int (-2^15)
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   483
         _ -> error $ "BuiltInFunction 'low': " ++ show e
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   484
initExpr2C (BuiltInFunction "high" [e]) = do
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   485
    initExpr2C e
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   486
    t <- gets lastType
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   487
    case t of
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   488
         (BTArray i _ _) -> initExpr2C $ BuiltInFunction "pred" [InitRange i]
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   489
         a -> error $ "BuiltInFunction 'high': " ++ show a
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   490
initExpr2C (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C e
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   491
initExpr2C (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C e
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   492
initExpr2C (BuiltInFunction "succ" [e]) = liftM (<> text " + 1") $ initExpr2C e
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   493
initExpr2C (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C e
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   494
initExpr2C b@(BuiltInFunction _ _) = error $ show b    
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   495
initExpr2C a = error $ "initExpr2C: don't know how to render " ++ show a
6391
bd5851ab3157 - Parse sets initialization
unc0rr
parents: 6355
diff changeset
   496
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   497
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   498
range2C :: InitExpression -> State RenderState [Doc]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   499
range2C (InitString [a]) = return [quotes $ text [a]]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   500
range2C (InitRange (Range i)) = liftM (flip (:) []) $ id2C IOLookup i
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   501
range2C (InitRange (RangeFromTo (InitString [a]) (InitString [b]))) = return $ map (\i -> quotes $ text [i]) [a..b]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   502
range2C a = liftM (flip (:) []) $ initExpr2C a
6391
bd5851ab3157 - Parse sets initialization
unc0rr
parents: 6355
diff changeset
   503
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   504
baseType2C :: String -> BaseType -> Doc
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   505
baseType2C _ BTFloat = text "float"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   506
baseType2C _ BTBool = text "bool"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   507
baseType2C _ BTString = text "string255"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   508
baseType2C s a = error $ "baseType2C: " ++ show a ++ "\n" ++ s
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   509
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   510
type2C :: TypeDecl -> State RenderState (Doc -> Doc)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   511
type2C (SimpleType i) = liftM (\i a -> i <+> a) $ id2C IOLookup i
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   512
type2C t = do
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   513
    r <- type2C' t
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   514
    rt <- resolveType t
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   515
    modify (\st -> st{lastType = rt})
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   516
    return r
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   517
    where
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   518
    type2C' VoidType = return (text "void" <+>)
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   519
    type2C' (String l) = return (text "string255" <+>)--return (text ("string" ++ show l) <+>)
7034
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   520
    type2C' (PointerTo (SimpleType i)) = do
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   521
        i' <- id2C IODeferred i
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   522
        lt <- gets lastType
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   523
        case lt of
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   524
             BTRecord _ -> return $ \a -> text "struct __" <> i' <+> text "*" <+> a
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   525
             BTUnknown -> return $ \a -> text "struct __" <> i' <+> text "*" <+> a
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   526
             _ -> return $ \a -> i' <+> text "*" <+> a
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   527
    type2C' (PointerTo t) = liftM (\t a -> t (parens $ text "*" <> a)) $ type2C t
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   528
    type2C' (RecordType tvs union) = do
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents: 6838
diff changeset
   529
        t <- withState' id $ mapM (tvar2C False) tvs
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   530
        u <- unions
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   531
        return $ \i -> text "struct __" <> i <+> lbrace $+$ nest 4 ((vcat . map (<> semi) . concat $ t) $$ u) $+$ rbrace <+> i
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   532
        where
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   533
            unions = case union of
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   534
                     Nothing -> return empty
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   535
                     Just a -> do
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   536
                         structs <- mapM struct2C a
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   537
                         return $ text "union" $+$ braces (nest 4 $ vcat structs) <> semi
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   538
            struct2C tvs = do
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   539
                t <- withState' id $ mapM (tvar2C False) tvs
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   540
                return $ text "struct" $+$ braces (nest 4 (vcat . map (<> semi) . concat $ t)) <> semi
6894
555a8d8db228 Some more progress with pas2c
unc0rr
parents: 6893
diff changeset
   541
    type2C' (RangeType r) = return (text "int" <+>)
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   542
    type2C' (Sequence ids) = do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   543
        is <- mapM (id2C IOInsert . setBaseType bt) ids
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   544
        return (text "enum" <+> (braces . vcat . punctuate comma . map (\(a, b) -> a <+> equals <+> text "0x" <> text (showHex b "")) $ zip is [1..]) <+>)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   545
        where
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   546
            bt = BTEnum $ map (\(Identifier i _) -> map toLower i) ids
6894
555a8d8db228 Some more progress with pas2c
unc0rr
parents: 6893
diff changeset
   547
    type2C' (ArrayDecl Nothing t) = type2C (PointerTo t)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   548
    type2C' (ArrayDecl (Just r) t) = do
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   549
        t' <- type2C t
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   550
        r' <- initExpr2C (InitRange r)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   551
        return $ \i -> t' i <> brackets r'
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   552
    type2C' (Set t) = return (text "<<set>>" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   553
    type2C' (FunctionType returnType params) = do
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   554
        t <- type2C returnType
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   555
        p <- withState' id $ functionParams2C params
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   556
        return (\i -> t empty <+> i <> parens p)
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   557
    type2C' (DeriveType (InitBinOp _ _ i)) = type2C' (DeriveType i)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   558
    type2C' (DeriveType (InitPrefixOp _ i)) = type2C' (DeriveType i)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   559
    type2C' (DeriveType (InitNumber _)) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   560
    type2C' (DeriveType (InitHexNumber _)) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   561
    type2C' (DeriveType (InitFloat _)) = return (text "float" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   562
    type2C' (DeriveType (BuiltInFunction {})) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   563
    type2C' (DeriveType (InitString {})) = return (text "string255" <+>)
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   564
    type2C' (DeriveType r@(InitReference {})) = do
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   565
        initExpr2C r
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   566
        t <- gets lastType
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   567
        return (baseType2C (show r) t <+>)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   568
    type2C' (DeriveType a) = error $ "Can't derive type from " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   569
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   570
phrase2C :: Phrase -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   571
phrase2C (Phrases p) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   572
    ps <- mapM phrase2C p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   573
    return $ text "{" $+$ (nest 4 . vcat $ ps) $+$ text "}"
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   574
phrase2C (ProcCall f@(FunCall {}) []) = liftM (<> semi) $ ref2C f
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   575
phrase2C (ProcCall ref []) = liftM (<> semi) $ ref2CF ref
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   576
phrase2C (ProcCall ref params) = error $ "ProcCall"{-do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   577
    r <- ref2C ref
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   578
    ps <- mapM expr2C params
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   579
    return $ r <> parens (hsep . punctuate (char ',') $ ps) <> semi -}
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   580
phrase2C (IfThenElse (expr) phrase1 mphrase2) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   581
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   582
    p1 <- (phrase2C . wrapPhrase) phrase1
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   583
    el <- elsePart
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   584
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   585
        text "if" <> parens e $+$ p1 $+$ el
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   586
    where
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   587
    elsePart | isNothing mphrase2 = return $ empty
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   588
             | otherwise = liftM (text "else" $$) $ (phrase2C . wrapPhrase) (fromJust mphrase2)
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   589
phrase2C (Assignment ref expr) = do
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   590
    r <- ref2C ref
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   591
    t <- gets lastType
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   592
    e <- case (t, expr) of
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   593
         (BTFunction {}, (Reference r')) -> ref2C r'
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   594
         _ -> expr2C expr
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   595
    return $ r <+> text "=" <+> e <> semi
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   596
phrase2C (WhileCycle expr phrase) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   597
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   598
    p <- phrase2C $ wrapPhrase phrase
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   599
    return $ text "while" <> parens e $$ p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   600
phrase2C (SwitchCase expr cases mphrase) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   601
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   602
    cs <- mapM case2C cases
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   603
    d <- dflt
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   604
    return $ 
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   605
        text "switch" <> parens e $+$ braces (nest 4 . vcat $ cs ++ d)
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   606
    where
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   607
    case2C :: ([InitExpression], Phrase) -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   608
    case2C (e, p) = do
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   609
        ies <- mapM range2C e
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   610
        ph <- phrase2C p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   611
        return $ 
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   612
             vcat (map (\i -> text "case" <+> i <> colon) . concat $ ies) <> nest 4 (ph $+$ text "break;")
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   613
    dflt | isNothing mphrase = return []
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   614
         | otherwise = do
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   615
             ph <- mapM phrase2C $ fromJust mphrase
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   616
             return [text "default:" <+> nest 4 (vcat ph)]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   617
                                         
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   618
phrase2C wb@(WithBlock ref p) = do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   619
    r <- ref2C ref 
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   620
    t <- gets lastType
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   621
    case t of
6859
cd0697c7e88b Unwind 'with' construction
unc0rr
parents: 6858
diff changeset
   622
        (BTRecord rs) -> withRecordNamespace (render r ++ ".") rs $ phrase2C $ wrapPhrase p
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   623
        a -> do
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   624
            error $ "'with' block referencing non-record type " ++ show a ++ "\n" ++ show wb
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   625
phrase2C (ForCycle i' e1' e2' p) = do
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   626
    i <- id2C IOLookup i'
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   627
    e1 <- expr2C e1'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   628
    e2 <- expr2C e2'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   629
    ph <- phrase2C (wrapPhrase p)
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   630
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   631
        text "for" <> (parens . hsep . punctuate (char ';') $ [i <+> text "=" <+> e1, i <+> text "<=" <+> e2, text "++" <> i])
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   632
        $$
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   633
        ph
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   634
phrase2C (RepeatCycle e' p') = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   635
    e <- expr2C e'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   636
    p <- phrase2C (Phrases p')
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   637
    return $ text "do" <+> p <+> text "while" <> parens (text "!" <> parens e) <> semi
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   638
phrase2C NOP = return $ text ";"
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   639
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   640
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "exit" BTUnknown))) = return $ text "return" <> semi
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   641
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "exit" BTUnknown))) = liftM (\e -> text "return" <> e <> semi) $ expr2C e
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   642
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "dec" BTUnknown))) = liftM (\e -> text "--" <> e <> semi) $ expr2C e
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   643
phrase2C (BuiltInFunctionCall [e1, e2] (SimpleReference (Identifier "dec" BTUnknown))) = liftM2 (\a b -> a <> text " -= " <> b <> semi) (expr2C e1) (expr2C e2)
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   644
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "inc" BTUnknown))) = liftM (\e -> text "++" <> e <> semi) $ expr2C e
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   645
phrase2C (BuiltInFunctionCall [e1, e2] (SimpleReference (Identifier "inc" BTUnknown))) = liftM2 (\a b -> a <+> text "+=" <+> b <> semi) (expr2C e1) (expr2C e2)
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   646
phrase2C a = error $ "phrase2C: " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   647
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   648
wrapPhrase p@(Phrases _) = p
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   649
wrapPhrase p = Phrases [p]
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   650
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   651
expr2C :: Expression -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   652
expr2C (Expression s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   653
expr2C (BinOp op expr1 expr2) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   654
    e1 <- expr2C expr1
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   655
    t1 <- gets lastType
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   656
    e2 <- expr2C expr2
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   657
    t2 <- gets lastType
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   658
    case (op2C op, t1, t2) of
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   659
        ("+", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strconcat" (BTFunction 2 BTString))
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   660
        ("+", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strappend" (BTFunction 2 BTString))
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   661
        ("+", BTChar, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprepend" (BTFunction 2 BTString))
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   662
        ("==", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcompare" (BTFunction 2 BTBool))
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   663
        ("!=", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strncompare" (BTFunction 2 BTBool))
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   664
        ("&", BTBool, _) -> return $ parens e1 <+> text "&&" <+> parens e2
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   665
        ("|", BTBool, _) -> return $ parens e1 <+> text "||" <+> parens e2
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   666
        (o, _, _) | o `elem` boolOps -> do
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   667
                        modify(\s -> s{lastType = BTBool})
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   668
                        return $ parens e1 <+> text o <+> parens e2
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   669
                  | otherwise -> return $ parens e1 <+> text o <+> parens e2
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   670
    where
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   671
        boolOps = ["==", "!=", "<", ">", "<=", ">="]
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   672
expr2C (NumberLiteral s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   673
expr2C (FloatLiteral s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   674
expr2C (HexNumber s) = return $ text "0x" <> (text . map toLower $ s)
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   675
expr2C (StringLiteral [a]) = do
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   676
    modify(\s -> s{lastType = BTChar})
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   677
    return . quotes $ text [a]
6896
23b38e530967 Move all strings into constants to make them of string255 type
unc0rr
parents: 6895
diff changeset
   678
expr2C (StringLiteral s) = addStringConst s
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   679
expr2C (Reference ref) = ref2CF ref
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   680
expr2C (PrefixOp op expr) = liftM (text (op2C op) <>) (expr2C expr)
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   681
expr2C Null = return $ text "NULL"
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   682
expr2C (CharCode a) = do
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   683
    modify(\s -> s{lastType = BTChar})
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   684
    return $ quotes $ text "\\x" <> text (showHex (read a) "")
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   685
expr2C (HexCharCode a) = return $ quotes $ text "\\x" <> text (map toLower a)
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   686
expr2C (SetExpression ids) = mapM (id2C IOLookup) ids >>= return . parens . hcat . punctuate (text " | ")
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   687
7036
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   688
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "low" _))) = do
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   689
    e' <- liftM (map toLower . render) $ expr2C e
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   690
    lt <- gets lastType
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   691
    case lt of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   692
         BTEnum a -> return $ int 0
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   693
         BTInt -> case e' of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   694
                  "longint" -> return $ int (-2147483648)
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   695
         BTArray {} -> return $ int 0
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   696
         _ -> error $ "BuiltInFunCall 'low' from " ++ show e ++ "\ntype: " ++ show lt
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   697
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "high" _))) = do
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   698
    e' <- liftM (map toLower . render) $ expr2C e
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   699
    lt <- gets lastType
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   700
    case lt of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   701
         BTEnum a -> return . int $ length a - 1
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   702
         BTInt -> case e' of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   703
                  "longint" -> return $ int (2147483647)
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   704
         BTString -> return $ int 255
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   705
         BTArray (RangeFromTo _ n) _ _ -> initExpr2C n
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   706
         _ -> error $ "BuiltInFunCall 'high' from " ++ show e ++ "\ntype: " ++ show lt
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   707
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "ord" _))) = liftM parens $ expr2C e
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   708
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "succ" _))) = liftM (<> text " + 1") $ expr2C e
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   709
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "pred" _))) = liftM (<> text " - 1") $ expr2C e
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   710
expr2C (BuiltInFunCall params ref) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   711
    r <- ref2C ref 
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   712
    t <- gets lastType
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   713
    ps <- mapM expr2C params
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   714
    case t of
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   715
        BTFunction _ t' -> do
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   716
            modify (\s -> s{lastType = t'})
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   717
        _ -> error $ "BuiltInFunCall lastType: " ++ show t
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   718
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   719
        r <> parens (hsep . punctuate (char ',') $ ps)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   720
expr2C a = error $ "Don't know how to render " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   721
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   722
ref2CF :: Reference -> State RenderState Doc
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   723
ref2CF (SimpleReference name) = do
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   724
    i <- id2C IOLookup name
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   725
    t <- gets lastType
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   726
    case t of
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   727
         BTFunction {} -> return $ i <> parens empty
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   728
         _ -> return $ i
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   729
ref2CF r = ref2C r
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   730
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   731
ref2C :: Reference -> State RenderState Doc
6854
873929cbd54b Normalize RecordFields before conversion. Helps with namespaces problem.
unc0rr
parents: 6853
diff changeset
   732
-- rewrite into proper form
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   733
ref2C (RecordField ref1 (ArrayElement exprs ref2)) = ref2C $ ArrayElement exprs (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   734
ref2C (RecordField ref1 (Dereference ref2)) = ref2C $ Dereference (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   735
ref2C (RecordField ref1 (RecordField ref2 ref3)) = ref2C $ RecordField (RecordField ref1 ref2) ref3
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   736
ref2C (RecordField ref1 (FunCall params ref2)) = ref2C $ FunCall params (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   737
ref2C (ArrayElement (a:b:xs) ref) = ref2C $ ArrayElement (b:xs) (ArrayElement [a] ref)
6854
873929cbd54b Normalize RecordFields before conversion. Helps with namespaces problem.
unc0rr
parents: 6853
diff changeset
   738
-- conversion routines
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   739
ref2C ae@(ArrayElement [expr] ref) = do
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   740
    e <- expr2C expr
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   741
    r <- ref2C ref 
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   742
    t <- gets lastType
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   743
    case t of
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   744
         (BTArray _ _ t') -> modify (\st -> st{lastType = t'})
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   745
--         (BTFunctionReturn _ (BTArray _ _ t')) -> modify (\st -> st{lastType = t'})
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   746
--         (BTFunctionReturn _ (BTString)) -> modify (\st -> st{lastType = BTChar})
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   747
         (BTString) -> modify (\st -> st{lastType = BTChar})
6872
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   748
         (BTPointerTo t) -> do
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   749
                t'' <- fromPointer (show t) =<< gets lastType
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   750
                case t'' of
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   751
                     BTChar -> modify (\st -> st{lastType = BTChar})
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   752
                     a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   753
         a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   754
    case t of
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   755
         BTString ->  return $ r <> text ".s" <> brackets e
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   756
         _ -> return $ r <> brackets e
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   757
ref2C (SimpleReference name) = id2C IOLookup name
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents: 6838
diff changeset
   758
ref2C rf@(RecordField (Dereference ref1) ref2) = do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   759
    r1 <- ref2C ref1 
6855
807156c01475 Finish the toughest part of the converter. Now it knows types of everything, so could correctly recognize bitwise operators and type convertions.
unc0rr
parents: 6854
diff changeset
   760
    t <- fromPointer (show ref1) =<< gets lastType
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents: 6838
diff changeset
   761
    r2 <- case t of
6859
cd0697c7e88b Unwind 'with' construction
unc0rr
parents: 6858
diff changeset
   762
        BTRecord rs -> withRecordNamespace "" rs $ ref2C ref2
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   763
        BTUnit -> withLastIdNamespace $ ref2CF ref2
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   764
        a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   765
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   766
        r1 <> text "->" <> r2
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   767
ref2C rf@(RecordField ref1 ref2) = do
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   768
    r1 <- ref2C ref1
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   769
    t <- gets lastType
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   770
    case t of
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   771
        BTRecord rs -> do
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   772
            r2 <- withRecordNamespace "" rs $ ref2C ref2
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   773
            return $ r1 <> text "." <> r2
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   774
        BTUnit -> withLastIdNamespace $ ref2CF ref2        
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   775
        a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf
6855
807156c01475 Finish the toughest part of the converter. Now it knows types of everything, so could correctly recognize bitwise operators and type convertions.
unc0rr
parents: 6854
diff changeset
   776
ref2C d@(Dereference ref) = do
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   777
    r <- ref2C ref
6855
807156c01475 Finish the toughest part of the converter. Now it knows types of everything, so could correctly recognize bitwise operators and type convertions.
unc0rr
parents: 6854
diff changeset
   778
    t <- fromPointer (show d) =<< gets lastType
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   779
    modify (\st -> st{lastType = t})
6859
cd0697c7e88b Unwind 'with' construction
unc0rr
parents: 6858
diff changeset
   780
    return $ (parens $ text "*" <> r)
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   781
ref2C f@(FunCall params ref) = do
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   782
    r <- fref2C ref
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   783
    t <- gets lastType
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   784
    case t of
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   785
        BTFunction _ t' -> do
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   786
            ps <- liftM (parens . hsep . punctuate (char ',')) $ mapM expr2C params
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   787
            modify (\s -> s{lastType = t'})
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   788
            return $ r <> ps
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   789
        _ -> case (ref, params) of
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   790
                  (SimpleReference i, [p]) -> ref2C $ TypeCast i p
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   791
                  _ -> error $ "ref2C FunCall erroneous type cast detected: " ++ show f ++ "\nType detected: " ++ show t
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   792
    where
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   793
    fref2C (SimpleReference name) = id2C (IOLookupFunction $ length params) name
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   794
    fref2C a = ref2C a
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   795
        
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   796
ref2C (Address ref) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   797
    r <- ref2C ref
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   798
    return $ text "&" <> parens r
6902
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   799
ref2C (TypeCast t'@(Identifier i _) expr) = do
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   800
    case map toLower i of
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   801
        "pchar" -> ref2C $ FunCall [expr] (SimpleReference (Identifier "_pchar" $ BTPointerTo BTChar))
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   802
        a -> do
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   803
            e <- expr2C expr
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   804
            t <- id2C IOLookup t'    
7d4e5ce73b98 Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents: 6896
diff changeset
   805
            return $ parens t <> e
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6455
diff changeset
   806
ref2C (RefExpression expr) = expr2C expr
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   807
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   808
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   809
op2C :: String -> String
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   810
op2C "or" = "|"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   811
op2C "and" = "&"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   812
op2C "not" = "!"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   813
op2C "xor" = "^"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   814
op2C "div" = "/"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   815
op2C "mod" = "%"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   816
op2C "shl" = "<<"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   817
op2C "shr" = ">>"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   818
op2C "<>" = "!="
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   819
op2C "=" = "=="
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   820
op2C a = a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   821