tools/pas2c.hs
author unc0rr
Fri, 11 May 2012 23:34:35 +0400
changeset 7062 7efe16575779
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child 7066 12cc2bd84b0b
permissions -rw-r--r--
Recognize length on arrays as a separate function
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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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    | IOLookupLast
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    | IOLookupFunction Int
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    | IODeferred
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type Record = (String, BaseType)
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type Records = Map.Map String [Record]
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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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   145
    return a
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   146
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withLastIdNamespace :: State RenderState Doc -> State RenderState Doc
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withLastIdNamespace f = do
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   149
    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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   152
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   153
withRecordNamespace :: String -> [(String, BaseType)] -> State RenderState Doc -> State RenderState Doc
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   154
withRecordNamespace _ [] = error "withRecordNamespace: empty record"
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   155
withRecordNamespace prefix recs = withState' f
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   156
    where
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   157
        f st = st{currentScope = Map.unionWith un records (currentScope st), currentUnit = ""}
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        records = Map.fromList $ map (\(a, b) -> (map toLower a, [(prefix ++ a, b)])) recs
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   159
        un [a] b = a : b
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   160
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   161
toCFiles :: Map.Map String Records -> (String, PascalUnit) -> IO ()
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   162
toCFiles _ (_, System _) = return ()
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   163
toCFiles ns p@(fn, pu) = do
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    hPutStrLn stderr $ "Rendering '" ++ fn ++ "'..."
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    toCFiles' p
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   166
    where
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   167
    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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   173
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   174
    render2C :: RenderState -> State RenderState Doc -> String
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    render2C a = render . ($+$ empty) . flip evalState a
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   176
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   177
usesFiles :: PascalUnit -> [String]
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   178
usesFiles (Program _ (Implementation uses _) _) = "pas2cSystem" : uses2List uses
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   179
usesFiles (Unit _ (Interface uses1 _) (Implementation uses2 _) _ _) = "pas2cSystem" : uses2List uses1 ++ uses2List uses2
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usesFiles (System {}) = []
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   182
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pascal2C :: PascalUnit -> State RenderState Doc
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   184
pascal2C (Unit _ interface implementation init fin) =
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    liftM2 ($+$) (interface2C interface) (implementation2C implementation)
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   186
    
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pascal2C (Program _ implementation mainFunction) = do
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    impl <- implementation2C implementation
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   189
    [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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   192
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   193
    
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   194
    
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   195
interface2C :: Interface -> State RenderState Doc
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   196
interface2C (Interface uses tvars) = do
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   197
    u <- uses2C uses
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   198
    tv <- typesAndVars2C True tvars
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   199
    r <- renderStringConsts
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    return (u $+$ r $+$ tv)
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   201
    
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implementation2C :: Implementation -> State RenderState Doc
6896
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   203
implementation2C (Implementation uses tvars) = do
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   204
    u <- uses2C uses
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   205
    tv <- typesAndVars2C True tvars
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   206
    r <- renderStringConsts
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   207
    return (u $+$ r $+$ tv)
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   208
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checkDuplicateFunDecls :: [TypeVarDeclaration] -> State RenderState ()
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checkDuplicateFunDecls tvs =
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   211
    modify $ \s -> s{toMangle = Map.keysSet . Map.filter (> 1) . foldr ins Map.empty $ tvs}
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   212
    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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diff changeset
   215
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   216
typesAndVars2C :: Bool -> TypesAndVars -> State RenderState Doc
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typesAndVars2C b (TypesAndVars ts) = do
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   218
    checkDuplicateFunDecls ts
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   219
    liftM (vcat . map (<> semi) . concat) $ mapM (tvar2C b) ts
6273
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   220
6816
572571ea945e Fix wrong type returned from id2C
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   221
setBaseType :: BaseType -> Identifier -> Identifier
572571ea945e Fix wrong type returned from id2C
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   222
setBaseType bt (Identifier i _) = Identifier i bt
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   223
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   224
uses2C :: Uses -> State RenderState Doc
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   225
uses2C uses@(Uses unitIds) = do
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   226
    mapM_ injectNamespace (Identifier "pas2cSystem" undefined : unitIds)
6816
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   227
    mapM_ (id2C IOInsert . setBaseType BTUnit) unitIds
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   228
    return $ vcat . map (\i -> text $ "#include \"" ++ i ++ ".h\"") $ uses2List uses
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   229
    where
6517
67ea290ea843 Format code a bit
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   230
    injectNamespace (Identifier i _) = do
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   231
        getNS <- gets (flip Map.lookup . namespaces)
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   232
        modify (\s -> s{currentScope = Map.unionWith (++) (fromMaybe Map.empty (getNS i)) $ currentScope s})
6425
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   233
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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   234
uses2List :: Uses -> [String]
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e1f0058cfedd Add base type tags to identifiers
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   235
uses2List (Uses ids) = map (\(Identifier i _) -> i) ids
6273
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unc0rr
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   236
6509
648caa66991b Convert into Reader monad
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diff changeset
   237
6663
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   238
id2C :: InsertOption -> Identifier -> State RenderState Doc
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   239
id2C IOInsert (Identifier i t) = do
6843
59da15acb2f2 Finally fix the bug with pointer declarations polluting namespace with bad records
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diff changeset
   240
    ns <- gets currentScope
7032
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   241
    tom <- gets (Set.member n . toMangle)
7033
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   242
    cu <- gets currentUnit
7032
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   243
    let i' = case (t, tom) of
7033
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   244
            (BTFunction p _, True) -> cu ++ i ++ ('_' : show p)
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   245
            (BTFunction _ _, _) -> cu ++ i
7032
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   246
            _ -> i
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   247
    modify (\s -> s{currentScope = Map.insertWith (++) n [(i', t)] (currentScope s), lastIdentifier = n})
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   248
    return $ text i'
6837
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   249
    where
a137733c5776 Much better types handling, work correctly with functions
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   250
        n = map toLower i
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
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   251
id2C IOLookup i = id2CLookup head i
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   252
id2C IOLookupLast i = id2CLookup last i
7032
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   253
id2C (IOLookupFunction params) (Identifier i t) = do
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   254
    let i' = map toLower i
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diff changeset
   255
    v <- gets $ Map.lookup i' . currentScope
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   256
    lt <- gets lastType
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   257
    if isNothing v then 
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   258
        error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt ++ "\nwith num of params = " ++ show params ++ "\n" ++ show v
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diff changeset
   259
        else 
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   260
        let vv = fromMaybe (head $ fromJust v) . find checkParam $ fromJust v in 
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   261
            modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
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diff changeset
   262
    where
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   263
        checkParam (_, BTFunction p _) = p == params
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diff changeset
   264
        checkParam _ = False
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unc0rr
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   265
id2C IODeferred (Identifier i t) = do
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   266
    let i' = map toLower i
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   267
    v <- gets $ Map.lookup i' . currentScope
6663
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unc0rr
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diff changeset
   268
    if (isNothing v) then
7034
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
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   269
        modify (\s -> s{lastType = BTUnknown, lastIdentifier = i}) >> return (text i)
6663
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unc0rr
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diff changeset
   270
        else
7034
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
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diff changeset
   271
        let vv = head $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
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   272
7042
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   273
id2CLookup :: ([Record] -> Record) -> Identifier -> State RenderState Doc
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
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   274
id2CLookup f (Identifier i _) = do
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   275
    let i' = map toLower i
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   276
    v <- gets $ Map.lookup i' . currentScope
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   277
    lt <- gets lastType
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
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   278
    if isNothing v then 
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   279
        error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt
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diff changeset
   280
        else 
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
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   281
        let vv = f $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv)
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   282
        
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   283
        
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   284
id2CTyped :: TypeDecl -> Identifier -> State RenderState Doc
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   285
id2CTyped t (Identifier i _) = do
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   286
    tb <- resolveType t
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   287
    case (t, tb) of 
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
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diff changeset
   288
        (_, 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
parents: 7002
diff changeset
   289
            error $ "id2CTyped: type BTUnknown for " ++ show i ++ "\ntype: " ++ show t
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   290
        (SimpleType {}, BTRecord _ r) -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   291
            ts <- type2C t
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   292
            id2C IOInsert (Identifier i (BTRecord (render $ ts empty) r))
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   293
        (_, BTRecord _ r) -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   294
            ts <- type2C t
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   295
            id2C IOInsert (Identifier i (BTRecord i r))
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   296
        _ -> id2C IOInsert (Identifier i tb)
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   297
    
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
   298
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   299
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   300
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
   301
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
parents: 6618
diff changeset
   302
    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
   303
    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
   304
    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
   305
    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
   306
    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
   307
    f "pointer" = BTPointerTo BTVoid
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   308
    f "boolean" = BTBool
6649
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   309
    f "float" = BTFloat
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   310
    f "char" = BTChar
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   311
    f "string" = BTString
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   312
    f _ = error $ "Unknown system type: " ++ show st
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   313
resolveType (PointerTo (SimpleType (Identifier i _))) = return . BTPointerTo $ BTUnresolved (map toLower i)
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   314
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
   315
resolveType (RecordType tv mtvs) = do
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   316
    tvs <- mapM f (concat $ tv : fromMaybe [] mtvs)
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   317
    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
   318
    where
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   319
        f :: TypeVarDeclaration -> State RenderState [(String, BaseType)]
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   320
        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
   321
resolveType (ArrayDecl (Just i) t) = do
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   322
    t' <- resolveType t
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   323
    return $ BTArray i BTInt t' 
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   324
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
   325
resolveType (FunctionType t a) = liftM (BTFunction (length a)) $ resolveType t
6835
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   326
resolveType (DeriveType (InitHexNumber _)) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   327
resolveType (DeriveType (InitNumber _)) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   328
resolveType (DeriveType (InitFloat _)) = return BTFloat
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   329
resolveType (DeriveType (InitString _)) = return BTString
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   330
resolveType (DeriveType (InitBinOp {})) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   331
resolveType (DeriveType (InitPrefixOp {})) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   332
resolveType (DeriveType (BuiltInFunction{})) = return BTInt
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   333
resolveType (DeriveType (InitReference (Identifier{}))) = return BTBool -- TODO: derive from actual type
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   334
resolveType (DeriveType _) = return BTUnknown
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   335
resolveType (String _) = return BTString
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   336
resolveType VoidType = return BTVoid
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   337
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
   338
resolveType (RangeType _) = return $ BTVoid
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   339
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
   340
   
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   341
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
   342
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
   343
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
   344
    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
   345
    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
   346
        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
   347
        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
   348
        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
   349
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
   350
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
   351
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
   352
fromPointer s (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
   353
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
   354
    error $ "Dereferencing from non-pointer type " ++ show t ++ "\n" ++ s
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   355
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   356
    
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   357
functionParams2C params = liftM (hcat . punctuate comma . concat) $ mapM (tvar2C False) params
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   358
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   359
numberOfDeclarations :: [TypeVarDeclaration] -> Int
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   360
numberOfDeclarations = sum . map cnt
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   361
    where
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   362
        cnt (VarDeclaration _ (ids, _) _) = length ids
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   363
        cnt _ = 1
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   364
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   365
fun2C :: Bool -> String -> TypeVarDeclaration -> State RenderState [Doc]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   366
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
   367
    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
   368
    t'<- gets lastType
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   369
    p <- withState' id $ functionParams2C params
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   370
    n <- id2C IOInsert $ setBaseType (BTFunction (numberOfDeclarations params) t') name
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   371
    return [t empty <+> n <> parens p]
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   372
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   373
fun2C True rv (FunctionDeclaration name returnType params (Just (tvars, phrase))) = do
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   374
    let res = docToLower $ text rv <> text "_result"
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   375
    t <- type2C returnType
6837
a137733c5776 Much better types handling, work correctly with functions
unc0rr
parents: 6836
diff changeset
   376
    t'<- gets lastType
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   377
    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
   378
    (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
   379
        p <- functionParams2C params
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   380
        ph <- liftM2 ($+$) (typesAndVars2C False tvars) (phrase2C' phrase)
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   381
        return (p, ph)
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   382
    let phrasesBlock = case returnType of
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   383
            VoidType -> ph
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   384
            _ -> t empty <+> res <> semi $+$ ph $+$ text "return" <+> res <> semi
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   385
    return [ 
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   386
        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
   387
        $+$
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   388
        text "{" 
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   389
        $+$ 
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   390
        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
   391
        $+$
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   392
        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
   393
    where
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   394
    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
   395
    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
   396
    un [a] b = a : b
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   397
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   398
fun2C False _ (FunctionDeclaration (Identifier name _) _ _ _) = error $ "nested functions not allowed: " ++ name
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   399
fun2C _ tv _ = error $ "fun2C: I don't render " ++ show tv
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   400
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   401
tvar2C :: Bool -> TypeVarDeclaration -> State RenderState [Doc]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   402
tvar2C b f@(FunctionDeclaration (Identifier name _) _ _ _) =
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   403
    fun2C b name f
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   404
tvar2C _ td@(TypeDeclaration i' t) = do
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   405
    i <- id2CTyped t i'
7039
e7dc6ddd1e29 Handle function type differently
unc0rr
parents: 7038
diff changeset
   406
    tp <- type2C t
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   407
    return [text "typedef" <+> tp i]
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   408
    
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   409
tvar2C _ (VarDeclaration isConst (ids, t) mInitExpr) = do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   410
    t' <- liftM (((if isConst then text "const" else empty) <+>) . ) $ type2C t
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   411
    ie <- initExpr mInitExpr
6979
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   412
    lt <- gets lastType
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   413
    case (isConst, lt, ids, mInitExpr) of
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   414
         (True, BTInt, [i], Just _) -> do
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   415
             i' <- id2CTyped t i
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   416
             return [text "enum" <> braces (i' <+> ie)]
7002
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   417
         (True, BTFloat, [i], Just e) -> do
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   418
             i' <- id2CTyped t i
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   419
             ie <- initExpr2C e
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   420
             return [text "#define" <+> i' <+> parens ie <> text "\n"]
7039
e7dc6ddd1e29 Handle function type differently
unc0rr
parents: 7038
diff changeset
   421
         (_, BTFunction{}, _, Nothing) -> liftM (map(\i -> t' $ text "*" <+> i)) $ mapM (id2CTyped t) ids
6979
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   422
         _ -> liftM (map(\i -> t' i <+> ie)) $ mapM (id2CTyped t) ids
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   423
    where
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   424
    initExpr Nothing = return $ empty
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   425
    initExpr (Just e) = liftM (text "=" <+>) (initExpr2C e)
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   426
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   427
tvar2C f (OperatorDeclaration op (Identifier i _) ret params body) = do
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   428
    r <- op2CTyped op (extractTypes params)
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   429
    fun2C f i (FunctionDeclaration r ret params body)
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   430
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   431
    
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   432
op2CTyped :: String -> [TypeDecl] -> State RenderState Identifier
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   433
op2CTyped op t = do
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   434
    t' <- liftM (render . hcat . punctuate (char '_') . map (\t -> t empty)) $ mapM type2C t
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   435
    bt <- gets lastType
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   436
    return $ Identifier (t' ++ "_op_" ++ opStr) bt
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   437
    where 
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   438
    opStr = case op of
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   439
                    "+" -> "add"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   440
                    "-" -> "sub"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   441
                    "*" -> "mul"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   442
                    "/" -> "div"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   443
                    "=" -> "eq"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   444
                    "<" -> "lt"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   445
                    ">" -> "gt"
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   446
                    "<>" -> "neq"
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   447
                    _ -> error $ "op2CTyped: unknown op '" ++ op ++ "'"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   448
    
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   449
extractTypes :: [TypeVarDeclaration] -> [TypeDecl]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   450
extractTypes = concatMap f
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   451
    where
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   452
        f (VarDeclaration _ (ids, t) _) = replicate (length ids) t
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   453
        f a = error $ "extractTypes: can't extract from " ++ show a
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   454
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   455
initExpr2C, initExpr2C' :: InitExpression -> State RenderState Doc
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   456
initExpr2C (InitArray values) = liftM (braces . vcat . punctuate comma) $ mapM initExpr2C values
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   457
initExpr2C a = initExpr2C' a
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   458
initExpr2C' InitNull = return $ text "NULL"
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   459
initExpr2C' (InitAddress expr) = liftM ((<>) (text "&")) (initExpr2C' expr)
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   460
initExpr2C' (InitPrefixOp op expr) = liftM (text (op2C op) <>) (initExpr2C' expr)
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   461
initExpr2C' (InitBinOp op expr1 expr2) = do
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   462
    e1 <- initExpr2C' expr1
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   463
    e2 <- initExpr2C' expr2
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   464
    return $ parens $ e1 <+> text (op2C op) <+> e2
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   465
initExpr2C' (InitNumber s) = return $ text s
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   466
initExpr2C' (InitFloat s) = return $ text s
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   467
initExpr2C' (InitHexNumber s) = return $ text "0x" <> (text . map toLower $ s)
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   468
initExpr2C' (InitString [a]) = return . quotes $ text [a]
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   469
initExpr2C' (InitString s) = return $ strInit s
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   470
initExpr2C' (InitChar a) = return $ quotes $ text "\\x" <> text (showHex (read a) "")
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   471
initExpr2C' (InitReference i) = id2C IOLookup i
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   472
initExpr2C' (InitRecord fields) = do
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   473
    (fs :: [Doc]) <- mapM (\(Identifier a _, b) -> liftM (text "." <> text a <+> equals <+>) $ initExpr2C b) fields
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   474
    return $ lbrace $+$ (nest 4 . vcat . punctuate comma $ fs) $+$ rbrace
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   475
initExpr2C' (InitArray [value]) = initExpr2C value
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   476
initExpr2C' r@(InitRange (Range i@(Identifier i' _))) = do
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   477
    id2C IOLookup i
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   478
    t <- gets lastType
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   479
    case t of
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   480
         BTEnum s -> return . int $ length s
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   481
         BTInt -> case i' of
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   482
                       "byte" -> return $ int 256
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   483
                       _ -> error $ "InitRange identifier: " ++ i'
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   484
         _ -> error $ "InitRange: " ++ show r
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   485
initExpr2C' (InitRange (RangeFromTo (InitNumber "0") r)) = initExpr2C $ BuiltInFunction "succ" [r]
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   486
initExpr2C' (InitRange (RangeFromTo (InitChar "0") (InitChar r))) = initExpr2C $ BuiltInFunction "succ" [InitNumber r]
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   487
initExpr2C' (InitRange a) = error $ show a --return $ text "<<range>>"
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   488
initExpr2C' (InitSet []) = return $ text "0"
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   489
initExpr2C' (InitSet a) = return $ text "<<set>>"
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   490
initExpr2C' (BuiltInFunction "low" [InitReference e]) = return $ 
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   491
    case e of
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   492
         (Identifier "LongInt" _) -> int (-2^31)
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   493
         (Identifier "SmallInt" _) -> int (-2^15)
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   494
         _ -> error $ "BuiltInFunction 'low': " ++ show e
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   495
initExpr2C' (BuiltInFunction "high" [e]) = do
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   496
    initExpr2C e
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   497
    t <- gets lastType
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   498
    case t of
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   499
         (BTArray i _ _) -> initExpr2C' $ BuiltInFunction "pred" [InitRange i]
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   500
         a -> error $ "BuiltInFunction 'high': " ++ show a
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   501
initExpr2C' (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C' e
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   502
initExpr2C' (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C' e
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   503
initExpr2C' (BuiltInFunction "succ" [e]) = liftM (<> text " + 1") $ initExpr2C' e
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   504
initExpr2C' (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C' e
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   505
initExpr2C' b@(BuiltInFunction _ _) = error $ show b    
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   506
initExpr2C' a = error $ "initExpr2C: don't know how to render " ++ show a
6391
bd5851ab3157 - Parse sets initialization
unc0rr
parents: 6355
diff changeset
   507
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   508
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   509
range2C :: InitExpression -> State RenderState [Doc]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   510
range2C (InitString [a]) = return [quotes $ text [a]]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   511
range2C (InitRange (Range i)) = liftM (flip (:) []) $ id2C IOLookup i
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   512
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
   513
range2C a = liftM (flip (:) []) $ initExpr2C a
6391
bd5851ab3157 - Parse sets initialization
unc0rr
parents: 6355
diff changeset
   514
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   515
baseType2C :: String -> BaseType -> Doc
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   516
baseType2C _ BTFloat = text "float"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   517
baseType2C _ BTBool = text "bool"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   518
baseType2C _ BTString = text "string255"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   519
baseType2C s a = error $ "baseType2C: " ++ show a ++ "\n" ++ s
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   520
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   521
type2C :: TypeDecl -> State RenderState (Doc -> Doc)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   522
type2C (SimpleType i) = liftM (\i a -> i <+> a) $ id2C IOLookup i
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   523
type2C t = do
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   524
    r <- type2C' t
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   525
    rt <- resolveType t
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   526
    modify (\st -> st{lastType = rt})
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   527
    return r
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   528
    where
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   529
    type2C' VoidType = return (text "void" <+>)
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   530
    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
   531
    type2C' (PointerTo (SimpleType i)) = do
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   532
        i' <- id2C IODeferred i
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   533
        lt <- gets lastType
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   534
        case lt of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   535
             BTRecord _ _ -> return $ \a -> text "struct __" <> i' <+> text "*" <+> a
7034
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   536
             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
   537
             _ -> return $ \a -> i' <+> text "*" <+> a
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   538
    type2C' (PointerTo t) = liftM (\t a -> t (parens $ text "*" <> a)) $ type2C t
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   539
    type2C' (RecordType tvs union) = do
7040
4aff2da0d0b3 Render function variables in struct with no mangling. 13 C units are compilable now.
unc0rr
parents: 7039
diff changeset
   540
        t <- withState' f $ mapM (tvar2C False) tvs
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   541
        u <- unions
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   542
        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
   543
        where
7040
4aff2da0d0b3 Render function variables in struct with no mangling. 13 C units are compilable now.
unc0rr
parents: 7039
diff changeset
   544
            f s = s{currentUnit = ""}
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   545
            unions = case union of
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   546
                     Nothing -> return empty
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   547
                     Just a -> do
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   548
                         structs <- mapM struct2C a
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   549
                         return $ text "union" $+$ braces (nest 4 $ vcat structs) <> semi
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   550
            struct2C tvs = do
7040
4aff2da0d0b3 Render function variables in struct with no mangling. 13 C units are compilable now.
unc0rr
parents: 7039
diff changeset
   551
                t <- withState' f $ mapM (tvar2C False) tvs
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   552
                return $ text "struct" $+$ braces (nest 4 (vcat . map (<> semi) . concat $ t)) <> semi
6894
555a8d8db228 Some more progress with pas2c
unc0rr
parents: 6893
diff changeset
   553
    type2C' (RangeType r) = return (text "int" <+>)
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   554
    type2C' (Sequence ids) = do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   555
        is <- mapM (id2C IOInsert . setBaseType bt) ids
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   556
        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
   557
        where
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   558
            bt = BTEnum $ map (\(Identifier i _) -> map toLower i) ids
6894
555a8d8db228 Some more progress with pas2c
unc0rr
parents: 6893
diff changeset
   559
    type2C' (ArrayDecl Nothing t) = type2C (PointerTo t)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   560
    type2C' (ArrayDecl (Just r) t) = do
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   561
        t' <- type2C t
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   562
        r' <- initExpr2C (InitRange r)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   563
        return $ \i -> t' i <> brackets r'
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   564
    type2C' (Set t) = return (text "<<set>>" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   565
    type2C' (FunctionType returnType params) = do
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   566
        t <- type2C returnType
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   567
        p <- withState' id $ functionParams2C params
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   568
        return (\i -> t empty <+> i <> parens p)
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   569
    type2C' (DeriveType (InitBinOp _ _ i)) = type2C' (DeriveType i)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   570
    type2C' (DeriveType (InitPrefixOp _ i)) = type2C' (DeriveType i)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   571
    type2C' (DeriveType (InitNumber _)) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   572
    type2C' (DeriveType (InitHexNumber _)) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   573
    type2C' (DeriveType (InitFloat _)) = return (text "float" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   574
    type2C' (DeriveType (BuiltInFunction {})) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   575
    type2C' (DeriveType (InitString {})) = return (text "string255" <+>)
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   576
    type2C' (DeriveType r@(InitReference {})) = do
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   577
        initExpr2C r
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   578
        t <- gets lastType
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   579
        return (baseType2C (show r) t <+>)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   580
    type2C' (DeriveType a) = error $ "Can't derive type from " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   581
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   582
phrase2C :: Phrase -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   583
phrase2C (Phrases p) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   584
    ps <- mapM phrase2C p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   585
    return $ text "{" $+$ (nest 4 . vcat $ ps) $+$ text "}"
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   586
phrase2C (ProcCall f@(FunCall {}) []) = liftM (<> semi) $ ref2C f
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   587
phrase2C (ProcCall ref []) = liftM (<> semi) $ ref2CF ref
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   588
phrase2C (ProcCall ref params) = error $ "ProcCall"{-do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   589
    r <- ref2C ref
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   590
    ps <- mapM expr2C params
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   591
    return $ r <> parens (hsep . punctuate (char ',') $ ps) <> semi -}
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   592
phrase2C (IfThenElse (expr) phrase1 mphrase2) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   593
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   594
    p1 <- (phrase2C . wrapPhrase) phrase1
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   595
    el <- elsePart
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   596
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   597
        text "if" <> parens e $+$ p1 $+$ el
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   598
    where
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   599
    elsePart | isNothing mphrase2 = return $ empty
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   600
             | otherwise = liftM (text "else" $$) $ (phrase2C . wrapPhrase) (fromJust mphrase2)
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   601
phrase2C (Assignment ref expr) = do
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   602
    r <- ref2C ref
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   603
    t <- gets lastType
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   604
    e <- case (t, expr) of
7019
333afe233886 Convert namespace from list into map in preparation for implementation of overloaded functions support. Greatly improve speed of rendering as a side effect (parse + render time reduced from 5:20 to 0:20)
unc0rr
parents: 7002
diff changeset
   605
         (BTFunction {}, (Reference r')) -> ref2C r'
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   606
         _ -> expr2C expr
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   607
    return $ r <+> text "=" <+> e <> semi
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   608
phrase2C (WhileCycle expr phrase) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   609
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   610
    p <- phrase2C $ wrapPhrase phrase
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   611
    return $ text "while" <> parens e $$ p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   612
phrase2C (SwitchCase expr cases mphrase) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   613
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   614
    cs <- mapM case2C cases
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   615
    d <- dflt
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   616
    return $ 
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   617
        text "switch" <> parens e $+$ braces (nest 4 . vcat $ cs ++ d)
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   618
    where
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   619
    case2C :: ([InitExpression], Phrase) -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   620
    case2C (e, p) = do
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   621
        ies <- mapM range2C e
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   622
        ph <- phrase2C p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   623
        return $ 
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   624
             vcat (map (\i -> text "case" <+> i <> colon) . concat $ ies) <> nest 4 (ph $+$ text "break;")
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   625
    dflt | isNothing mphrase = return []
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   626
         | otherwise = do
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   627
             ph <- mapM phrase2C $ fromJust mphrase
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   628
             return [text "default:" <+> nest 4 (vcat ph)]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   629
                                         
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   630
phrase2C wb@(WithBlock ref p) = do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   631
    r <- ref2C ref 
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   632
    t <- gets lastType
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   633
    case t of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   634
        (BTRecord _ rs) -> withRecordNamespace (render r ++ ".") rs $ phrase2C $ wrapPhrase p
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   635
        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
   636
            error $ "'with' block referencing non-record type " ++ show a ++ "\n" ++ show wb
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   637
phrase2C (ForCycle i' e1' e2' p) = do
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   638
    i <- id2C IOLookup i'
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   639
    e1 <- expr2C e1'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   640
    e2 <- expr2C e2'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   641
    ph <- phrase2C (wrapPhrase p)
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   642
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   643
        text "for" <> (parens . hsep . punctuate (char ';') $ [i <+> text "=" <+> e1, i <+> text "<=" <+> e2, text "++" <> i])
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   644
        $$
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   645
        ph
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   646
phrase2C (RepeatCycle e' p') = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   647
    e <- expr2C e'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   648
    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
   649
    return $ text "do" <+> p <+> text "while" <> parens (text "!" <> parens e) <> semi
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   650
phrase2C NOP = return $ text ";"
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   651
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   652
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "exit" BTUnknown))) = return $ text "return" <> semi
7038
d853e4385241 Some more definitions and slight fixes
unc0rr
parents: 7037
diff changeset
   653
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "break" BTUnknown))) = return $ text "break" <> semi
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   654
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "continue" BTUnknown))) = return $ text "continue" <> semi
7037
7edce323558f uAmmos.c now compiles (3 warnings though)
unc0rr
parents: 7036
diff changeset
   655
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "exit" BTUnknown))) = liftM (\e -> text "return" <+> e <> semi) $ expr2C e
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   656
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
   657
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
   658
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
   659
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
   660
phrase2C a = error $ "phrase2C: " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   661
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   662
wrapPhrase p@(Phrases _) = p
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   663
wrapPhrase p = Phrases [p]
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   664
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   665
expr2C :: Expression -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   666
expr2C (Expression s) = return $ text s
7060
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   667
expr2C b@(BinOp op expr1 expr2) = do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   668
    e1 <- expr2C expr1
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   669
    t1 <- gets lastType
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   670
    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
   671
    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
   672
    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
   673
        ("+", 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
   674
        ("+", 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
   675
        ("+", BTChar, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprepend" (BTFunction 2 BTString))
7054
7e8fb07ef91c Function to compare string to char ftw
unc0rr
parents: 7052
diff changeset
   676
        ("==", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcomparec" (BTFunction 2 BTBool))
7e8fb07ef91c Function to compare string to char ftw
unc0rr
parents: 7052
diff changeset
   677
        ("==", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcompare" (BTFunction 2 BTBool))
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
   678
        ("!=", 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
   679
        ("&", 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
   680
        ("|", BTBool, _) -> return $ parens e1 <+> text "||" <+> parens e2
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   681
        (_, BTRecord t1 _, BTRecord t2 _) -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   682
            i <- op2CTyped op [SimpleType (Identifier t1 undefined), SimpleType (Identifier t2 undefined)]
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   683
            ref2C $ FunCall [expr1, expr2] (SimpleReference i)
7056
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
   684
        (_, BTRecord t1 _, BTInt) -> do
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
   685
            -- aw, "LongInt" here is hwengine-specific hack
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
   686
            i <- op2CTyped op [SimpleType (Identifier t1 undefined), SimpleType (Identifier "LongInt" undefined)]
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
   687
            ref2C $ FunCall [expr1, expr2] (SimpleReference i)
7057
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
   688
        ("in", _, _) -> 
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
   689
            case expr2 of
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
   690
                 SetExpression set -> do
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
   691
                     ids <- mapM (id2C IOLookup) set
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
   692
                     return . parens . hcat . punctuate (text " || ") . map (\i -> parens $ e1 <+> text "==" <+> i) $ ids
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
   693
                 _ -> error "'in' against not set expression"
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   694
        (o, _, _) | o `elem` boolOps -> do
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   695
                        modify(\s -> s{lastType = BTBool})
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   696
                        return $ parens e1 <+> text o <+> parens e2
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   697
                  | otherwise -> return $ parens e1 <+> text o <+> parens e2
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   698
    where
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   699
        boolOps = ["==", "!=", "<", ">", "<=", ">="]
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   700
expr2C (NumberLiteral s) = do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   701
    modify(\s -> s{lastType = BTInt})
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   702
    return $ text s
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   703
expr2C (FloatLiteral s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   704
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
   705
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
   706
    modify(\s -> s{lastType = BTChar})
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   707
    return . quotes . text $ escape a
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   708
    where
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   709
        escape '\'' = "\\\'"
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
   710
        escape a = [a]
6896
23b38e530967 Move all strings into constants to make them of string255 type
unc0rr
parents: 6895
diff changeset
   711
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
   712
expr2C (Reference ref) = ref2CF ref
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   713
expr2C (PrefixOp op expr) = do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   714
    e <- expr2C expr
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   715
    lt <- gets lastType
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   716
    case lt of
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   717
        BTRecord t _ -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   718
            i <- op2CTyped op [SimpleType (Identifier t undefined)]
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   719
            ref2C $ FunCall [expr] (SimpleReference i)
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   720
        _ -> return $ text (op2C op) <> e
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   721
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
   722
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
   723
    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
   724
    return $ quotes $ text "\\x" <> text (showHex (read a) "")
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   725
expr2C (HexCharCode a) = return $ quotes $ text "\\x" <> text (map toLower a)
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   726
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
   727
7036
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   728
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "low" _))) = do
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   729
    e' <- liftM (map toLower . render) $ expr2C e
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   730
    lt <- gets lastType
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   731
    case lt of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   732
         BTEnum a -> return $ int 0
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   733
         BTInt -> case e' of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   734
                  "longint" -> return $ int (-2147483648)
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   735
         BTArray {} -> return $ int 0
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   736
         _ -> error $ "BuiltInFunCall 'low' from " ++ show e ++ "\ntype: " ++ show lt
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   737
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "high" _))) = do
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   738
    e' <- liftM (map toLower . render) $ expr2C e
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   739
    lt <- gets lastType
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   740
    case lt of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   741
         BTEnum a -> return . int $ length a - 1
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   742
         BTInt -> case e' of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   743
                  "longint" -> return $ int (2147483647)
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   744
         BTString -> return $ int 255
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   745
         BTArray (RangeFromTo _ n) _ _ -> initExpr2C n
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
   746
         _ -> 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
   747
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "ord" _))) = liftM parens $ expr2C e
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   748
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
   749
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "pred" _))) = liftM (<> text " - 1") $ expr2C e
7062
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   750
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "length" _))) = do
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   751
    e' <- expr2C e
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   752
    lt <- gets lastType
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   753
    case lt of
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   754
         BTString -> return $ text "length" <> parens e'
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   755
         BTArray {} -> return $ text "length_ar" <> parens e'
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
   756
         _ -> error $ "length() called on " ++ show lt
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   757
expr2C (BuiltInFunCall params ref) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   758
    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
   759
    t <- gets lastType
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   760
    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
   761
    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
   762
        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
   763
            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
   764
        _ -> error $ "BuiltInFunCall lastType: " ++ show t
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   765
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   766
        r <> parens (hsep . punctuate (char ',') $ ps)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   767
expr2C a = error $ "Don't know how to render " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   768
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
   769
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
   770
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
   771
    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
   772
    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
   773
    case t of
7060
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   774
         BTFunction _ rt -> do
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   775
             modify(\s -> s{lastType = rt})
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   776
             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
   777
         _ -> return $ i
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   778
ref2CF r@(RecordField (SimpleReference _) (SimpleReference _)) = do
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   779
    i <- ref2C r
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   780
    t <- gets lastType
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   781
    case t of
7060
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   782
         BTFunction _ rt -> do
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   783
             modify(\s -> s{lastType = rt})
861d6897917f Properly track type in ref2CF, this fixes issues with functions returning strings used in expression (like "a" + line())
unc0rr
parents: 7057
diff changeset
   784
             return $ i <> parens empty
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   785
         _ -> return $ i
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
ref2CF r = ref2C r
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   787
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   788
ref2C :: Reference -> State RenderState Doc
6854
873929cbd54b Normalize RecordFields before conversion. Helps with namespaces problem.
unc0rr
parents: 6853
diff changeset
   789
-- rewrite into proper form
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   790
ref2C (RecordField ref1 (ArrayElement exprs ref2)) = ref2C $ ArrayElement exprs (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   791
ref2C (RecordField ref1 (Dereference ref2)) = ref2C $ Dereference (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   792
ref2C (RecordField ref1 (RecordField ref2 ref3)) = ref2C $ RecordField (RecordField ref1 ref2) ref3
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   793
ref2C (RecordField ref1 (FunCall params ref2)) = ref2C $ FunCall params (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   794
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
   795
-- conversion routines
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   796
ref2C ae@(ArrayElement [expr] ref) = do
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   797
    e <- expr2C expr
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   798
    r <- ref2C ref 
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   799
    t <- gets lastType
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   800
    case t of
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   801
         (BTArray _ _ t') -> modify (\st -> st{lastType = t'})
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   802
--         (BTFunctionReturn _ (BTArray _ _ t')) -> modify (\st -> st{lastType = t'})
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   803
--         (BTFunctionReturn _ (BTString)) -> modify (\st -> st{lastType = BTChar})
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   804
         (BTString) -> modify (\st -> st{lastType = BTChar})
6872
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   805
         (BTPointerTo t) -> do
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   806
                t'' <- fromPointer (show t) =<< gets lastType
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   807
                case t'' of
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
   808
                     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
   809
                     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
   810
         a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   811
    case t of
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   812
         BTString ->  return $ r <> text ".s" <> brackets e
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   813
         _ -> return $ r <> brackets e
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   814
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
   815
ref2C rf@(RecordField (Dereference ref1) ref2) = do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   816
    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
   817
    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
   818
    r2 <- case t of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   819
        BTRecord _ rs -> withRecordNamespace "" rs $ ref2C ref2
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   820
        BTUnit -> error "What??"
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
   821
        a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   822
    return $ 
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   823
        r1 <> text "->" <> r2
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   824
ref2C rf@(RecordField ref1 ref2) = do
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   825
    r1 <- ref2C ref1
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   826
    t <- gets lastType
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   827
    case t of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   828
        BTRecord _ rs -> do
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   829
            r2 <- withRecordNamespace "" rs $ ref2C ref2
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   830
            return $ r1 <> text "." <> r2
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
   831
        BTUnit -> withLastIdNamespace $ ref2C 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
   832
        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
   833
ref2C d@(Dereference ref) = do
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   834
    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
   835
    t <- fromPointer (show d) =<< gets lastType
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   836
    modify (\st -> st{lastType = t})
6859
cd0697c7e88b Unwind 'with' construction
unc0rr
parents: 6858
diff changeset
   837
    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
   838
ref2C f@(FunCall params ref) = do
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   839
    r <- fref2C ref
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   840
    t <- gets lastType
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   841
    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
   842
        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
   843
            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
   844
            modify (\s -> s{lastType = t'})
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   845
            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
   846
        _ -> 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
   847
                  (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
   848
                  _ -> 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
   849
    where
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   850
    fref2C (SimpleReference name) = id2C (IOLookupFunction $ length params) name
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   851
    fref2C a = ref2C a
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   852
        
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   853
ref2C (Address ref) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   854
    r <- ref2C ref
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   855
    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
   856
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
   857
    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
   858
        "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
   859
        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
   860
            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
   861
            t <- id2C IOLookup t'    
7038
d853e4385241 Some more definitions and slight fixes
unc0rr
parents: 7037
diff changeset
   862
            return . parens $ parens t <> e
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6455
diff changeset
   863
ref2C (RefExpression expr) = expr2C expr
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   864
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   865
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   866
op2C :: String -> String
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   867
op2C "or" = "|"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   868
op2C "and" = "&"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   869
op2C "not" = "!"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   870
op2C "xor" = "^"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   871
op2C "div" = "/"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   872
op2C "mod" = "%"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   873
op2C "shl" = "<<"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   874
op2C "shr" = ">>"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   875
op2C "<>" = "!="
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   876
op2C "=" = "=="
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   877
op2C a = a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   878