tools/pas2c/Pas2C.hs
author alfadur
Sat, 16 Oct 2021 04:06:47 +0300
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{-# LANGUAGE ScopedTypeVariables #-}
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module Pas2C where
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import Prelude hiding ((<>))
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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 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, stripPrefix)
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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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    | IOInsertWithType Doc
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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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data Record = Record
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    {
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        lcaseId :: String,
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        baseType :: BaseType,
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        typeDecl :: Doc
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    }
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    deriving Show
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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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        isFunctionType :: Bool, -- set to true if the current function parameter is functiontype
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        lastIdTypeDecl :: Doc,
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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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        enums :: [(String, [String])], -- store all declared enums
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        currentUnit :: String,
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        currentFunctionResult :: String,
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        namespaces :: Map.Map String Records
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    }
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rec2Records :: [(String, BaseType)] -> [Record]
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rec2Records = map (\(a, b) -> Record a b empty)
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emptyState :: Map.Map String Records -> RenderState
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emptyState = RenderState Map.empty "" BTUnknown False empty [] 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 '\\' 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 "static 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 -> String -> String -> String -> [String] -> IO ()
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pas2C fn inputPath outputPath alternateInputPath symbols = do
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    s <- flip execStateT initState $ f fn
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    renderCFiles s outputPath
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    where
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    printLn = liftIO . hPutStrLn stdout
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    print' = liftIO . hPutStr stdout
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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 inputPath alternateInputPath (fileName ++ ".pas") symbols
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            case fc' of
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                (Left _) -> 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 (outputPath ++ fileName ++ "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 -> String -> IO ()
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renderCFiles units outputPath = 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 outputPath 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 f (emptyState nss)
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        where
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        f = do
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            checkDuplicateFunDecls tvs
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            mapM_ (tvar2C True False True False False) tvs
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    toNamespace nss (Redo tvs) = -- functions that are re-implemented, add prefix to all of them
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        currentScope $ execState f (emptyState nss){currentUnit = "fpcrtl_"}
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        where
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        f = do
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            checkDuplicateFunDecls tvs
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            mapM_ (tvar2C True False True False False) tvs
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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 True) (emptyState nss){currentUnit = map toLower i ++ "_"}
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withState' :: (RenderState -> RenderState) -> State RenderState a -> State RenderState a
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withState' f sf = do
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    st <- liftM f get
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    let (a, s) = runState sf st
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    modify(\st' -> st'{
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        lastType = lastType s
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        , uniqCounter = uniqCounter s
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        , stringConsts = stringConsts s
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        })
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    return a
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withLastIdNamespace :: State RenderState Doc -> State RenderState Doc
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withLastIdNamespace f = do
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    li <- gets lastIdentifier
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    withState' (\st -> st{currentScope = fromMaybe Map.empty $ Map.lookup li (namespaces st)}) f
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withRecordNamespace :: String -> [Record] -> State RenderState Doc -> State RenderState Doc
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withRecordNamespace _ [] = error "withRecordNamespace: empty record"
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withRecordNamespace prefix recs = withState' f
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    where
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        f st = st{currentScope = Map.unionWith un records (currentScope st), currentUnit = ""}
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        records = Map.fromList $ map (\(Record a b d) -> (map toLower a, [Record (prefix ++ a) b d])) recs
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        un [a] b = a : b
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        un _ _ = error "withRecordNamespace un: pattern not matched"
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toCFiles :: String -> Map.Map String Records -> (String, PascalUnit) -> IO ()
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toCFiles _ _ (_, System _) = return ()
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toCFiles _ _ (_, Redo _) = return ()
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toCFiles outputPath ns pu@(fileName, _) = do
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    hPutStrLn stdout $ "Rendering '" ++ fileName ++ "'..."
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    --let (fn, p) = pu in writeFile (outputPath ++ fn ++ ".dump") $ show p
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    toCFiles' pu
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    where
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    toCFiles' (fn, p@(Program {})) = writeFile (outputPath ++ fn ++ ".c") $ "#include \"fpcrtl.h\"\n" ++ (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 True) initialState{currentUnit = map toLower i ++ "_"}
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            (a', _) = runState (id2C IOInsert (setBaseType BTUnit unitId) >> interface2C interface False) initialState{currentUnit = map toLower i ++ "_"}
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            enumDecl = (renderEnum2Strs (enums s) False)
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            enumImpl = (renderEnum2Strs (enums s) True)
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        writeFile (outputPath ++ fn ++ ".h") $ "#pragma once\n\n#include \"pas2c.h\"\n\n" ++ (render (a $+$ text "")) ++ "\n" ++ enumDecl
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        writeFile (outputPath ++ fn ++ ".c") $ "#include \"fpcrtl.h\"\n\n#include \"" ++ fn ++ ".h\"\n" ++ render (a' $+$ text "") ++ (render2C s . implementation2C) implementation ++ "\n" ++ enumImpl
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    toCFiles' _ = undefined -- just pleasing compiler to not warn us
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    initialState = emptyState ns
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    render2C :: RenderState -> State RenderState Doc -> String
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    render2C st p =
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        let (a, _) = runState p st in
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        render a
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renderEnum2Strs :: [(String, [String])] -> Bool -> String
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renderEnum2Strs enums' implement =
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    render $ foldl ($+$) empty $ map (\en -> let d = decl (fst en) in if implement then d $+$ enum2strBlock (snd en) else d <> semi) enums'
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    where
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    decl id' = text "string255 __attribute__((overloadable)) fpcrtl_GetEnumName" <> parens (text "int dummy, const" <+> text id' <+> text "enumvar")
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    enum2strBlock en =
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            text "{"
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            $+$
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            (nest 4 $
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                text "switch(enumvar){"
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                $+$
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                (foldl ($+$) empty $ map (\e -> text "case" <+> text e <> colon $+$ (nest 4 $ text "return fpcrtl_make_string" <> (parens $ doubleQuotes $ text e) <> semi $+$ text "break;")) en)
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                $+$
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                text "default: assert(0);"
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                $+$
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                (nest 4 $ text "return fpcrtl_make_string(\"nonsense\");")
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                $+$
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                text "}"
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            )
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            $+$
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            text "}"
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usesFiles :: PascalUnit -> [String]
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usesFiles (Program _ (Implementation uses _) _) = ["pas2cSystem", "pas2cRedo"] ++ uses2List uses
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usesFiles (Unit _ (Interface uses1 _) (Implementation uses2 _) _ _) = ["pas2cSystem", "pas2cRedo"] ++ uses2List uses1 ++ uses2List uses2
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usesFiles (System {}) = []
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usesFiles (Redo {}) = []
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pascal2C :: PascalUnit -> State RenderState Doc
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pascal2C (Unit _ interface implementation _ _) =
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    liftM2 ($+$) (interface2C interface True) (implementation2C implementation)
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pascal2C (Program _ implementation mainFunction) = do
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    impl <- implementation2C implementation
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    main <- liftM head $ tvar2C True False True True False
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        (FunctionDeclaration (Identifier "main" (BTInt True)) False False False (SimpleType $ Identifier "int" (BTInt True)) 
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            [VarDeclaration False False ([Identifier "argc" (BTInt True)], SimpleType (Identifier "Integer" (BTInt True))) Nothing
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            , VarDeclaration False False ([Identifier "argv" BTUnknown], SimpleType (Identifier "PPChar" BTUnknown)) Nothing] 
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        (Just (TypesAndVars [], Phrases [mainResultInit, mainFunction])))
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    return $ impl $+$ main
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pascal2C _ = error "pascal2C: pattern not matched"
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-- the second bool indicates whether do normal interface translation or generate variable declarations
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-- that will be inserted into implementation files
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interface2C :: Interface -> Bool -> State RenderState Doc
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interface2C (Interface uses tvars) True = do
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    u <- uses2C uses
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    tv <- typesAndVars2C True True True False tvars
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    r <- renderStringConsts
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    return (u $+$ r $+$ tv)
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interface2C (Interface uses tvars) False = do
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    void $ uses2C uses
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    tv <- typesAndVars2C True False False False tvars
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    void $ renderStringConsts
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    return tv
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implementation2C :: Implementation -> State RenderState Doc
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implementation2C (Implementation uses tvars) = do
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    u <- uses2C uses
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    tv <- typesAndVars2C True False True True tvars
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    r <- renderStringConsts
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    return (u $+$ r $+$ tv)
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checkDuplicateFunDecls :: [TypeVarDeclaration] -> State RenderState ()
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checkDuplicateFunDecls tvs =
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    modify $ \s -> s{toMangle = Map.keysSet . Map.filter (> 1) . foldr ins initMap $ tvs}
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    where
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        initMap :: Map.Map String Int
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        initMap = Map.empty
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        --initMap = Map.fromList [("reset", 2)]
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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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-- the second bool indicates whether declare variable as extern or not
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-- the third bool indicates whether include types or not
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diff changeset
   285
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   286
typesAndVars2C :: Bool -> Bool -> Bool -> Bool -> TypesAndVars -> State RenderState Doc
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   287
typesAndVars2C b externVar includeType static (TypesAndVars ts) = do
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   288
    checkDuplicateFunDecls ts
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   289
    liftM (vcat . map (<> semi) . concat) $ mapM (tvar2C b externVar includeType False static) ts
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   290
6816
572571ea945e Fix wrong type returned from id2C
unc0rr
parents: 6663
diff changeset
   291
setBaseType :: BaseType -> Identifier -> Identifier
572571ea945e Fix wrong type returned from id2C
unc0rr
parents: 6663
diff changeset
   292
setBaseType bt (Identifier i _) = Identifier i bt
572571ea945e Fix wrong type returned from id2C
unc0rr
parents: 6663
diff changeset
   293
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   294
uses2C :: Uses -> State RenderState Doc
6516
addaeb1b9539 Further progress on dealing with namespaces
unc0rr
parents: 6514
diff changeset
   295
uses2C uses@(Uses unitIds) = do
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   296
6516
addaeb1b9539 Further progress on dealing with namespaces
unc0rr
parents: 6514
diff changeset
   297
    mapM_ injectNamespace (Identifier "pas2cSystem" undefined : unitIds)
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   298
    mapM_ injectNamespace (Identifier "pas2cRedo" undefined : unitIds)
6816
572571ea945e Fix wrong type returned from id2C
unc0rr
parents: 6663
diff changeset
   299
    mapM_ (id2C IOInsert . setBaseType BTUnit) unitIds
6516
addaeb1b9539 Further progress on dealing with namespaces
unc0rr
parents: 6514
diff changeset
   300
    return $ vcat . map (\i -> text $ "#include \"" ++ i ++ ".h\"") $ uses2List uses
addaeb1b9539 Further progress on dealing with namespaces
unc0rr
parents: 6514
diff changeset
   301
    where
11840
24f309d75da8 Use less weird options
unc0rr
parents: 11398
diff changeset
   302
    injectNamespace :: Identifier -> State RenderState ()
6517
67ea290ea843 Format code a bit
unc0rr
parents: 6516
diff changeset
   303
    injectNamespace (Identifier i _) = do
6516
addaeb1b9539 Further progress on dealing with namespaces
unc0rr
parents: 6514
diff changeset
   304
        getNS <- gets (flip Map.lookup . namespaces)
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
   305
        modify (\s -> s{currentScope = Map.unionWith (++) (fromMaybe Map.empty (getNS i)) $ currentScope s})
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
   306
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
   307
uses2List :: Uses -> [String]
6489
e1f0058cfedd Add base type tags to identifiers
unc0rr
parents: 6474
diff changeset
   308
uses2List (Uses ids) = map (\(Identifier i _) -> i) ids
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   309
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   310
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   311
setLastIdValues :: Record -> RenderState -> RenderState
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   312
setLastIdValues vv = (\s -> s{lastType = baseType vv, lastIdentifier = lcaseId vv, lastIdTypeDecl = typeDecl vv})
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   313
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   314
id2C :: InsertOption -> Identifier -> State RenderState Doc
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   315
id2C IOInsert i = id2C (IOInsertWithType empty) i
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   316
id2C (IOInsertWithType d) (Identifier i t) = do
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   317
    tom <- gets (Set.member n . toMangle)
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
   318
    cu <- gets currentUnit
7323
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   319
    let (i', t') = case (t, tom) of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   320
            (BTFunction _ e p _, True) -> ((if e then id else (++) cu) $ i ++ ('_' : show (length p)), t)
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   321
            (BTFunction _ e _ _, _) -> ((if e then id else (++) cu) i, t)
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   322
            (BTVarParam t'', _) -> ('(' : '*' : i ++ ")" , t'')
7323
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   323
            _ -> (i, t)
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   324
    modify (\s -> s{currentScope = Map.insertWith (++) n [Record i' t' d] (currentScope s), lastIdentifier = n})
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   325
    return $ text i'
6837
a137733c5776 Much better types handling, work correctly with functions
unc0rr
parents: 6836
diff changeset
   326
    where
a137733c5776 Much better types handling, work correctly with functions
unc0rr
parents: 6836
diff changeset
   327
        n = map toLower i
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   328
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   329
id2C IOLookup i = id2CLookup head i
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   330
id2C IOLookupLast i = id2CLookup last i
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   331
id2C (IOLookupFunction params) (Identifier i _) = do
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   332
    let i' = map toLower i
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   333
    v <- gets $ Map.lookup i' . currentScope
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   334
    lt <- gets lastType
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   335
    if isNothing v then
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   336
        error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt ++ "\nwith num of params = " ++ show params ++ "\n" ++ show v
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   337
        else
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   338
        let vv = fromMaybe (head $ fromJust v) . find checkParam $ fromJust v in
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   339
            modify (setLastIdValues vv) >> (return . text . lcaseId $ vv)
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   340
    where
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   341
        checkParam (Record _ (BTFunction _ _ p _) _) = (length p) == params
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   342
        checkParam _ = False
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   343
id2C IODeferred (Identifier i _) = do
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   344
    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
   345
    v <- gets $ Map.lookup i' . currentScope
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   346
    if (isNothing v) then
7034
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   347
        modify (\s -> s{lastType = BTUnknown, lastIdentifier = i}) >> return (text i)
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   348
        else
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   349
        let vv = head $ fromJust v in modify (setLastIdValues vv) >> (return . text . lcaseId $ vv)
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   350
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   351
id2CLookup :: ([Record] -> Record) -> Identifier -> State RenderState Doc
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   352
id2CLookup f (Identifier i _) = do
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   353
    let i' = map toLower i
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   354
    v <- gets $ Map.lookup i' . currentScope
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   355
    lt <- gets lastType
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   356
    if isNothing v then
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   357
        error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   358
        else
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   359
        let vv = f $ fromJust v in modify (setLastIdValues vv) >> (return . text . lcaseId $ vv)
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   360
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   361
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   362
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   363
id2CTyped :: TypeDecl -> Identifier -> State RenderState Doc
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   364
id2CTyped = id2CTyped2 Nothing
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   365
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   366
id2CTyped2 :: Maybe Doc -> TypeDecl -> Identifier -> State RenderState Doc
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   367
id2CTyped2 md t (Identifier i _) = do
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   368
    tb <- resolveType t
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   369
    case (t, tb) of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   370
        (_, 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
   371
            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
   372
        (SimpleType {}, BTRecord _ r) -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   373
            ts <- type2C t
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   374
            id2C (IOInsertWithType $ ts empty) (Identifier i (BTRecord (render $ ts empty) r))
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   375
        (_, BTRecord _ r) -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   376
            ts <- type2C t
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   377
            id2C (IOInsertWithType $ ts empty) (Identifier i (BTRecord i r))
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   378
        _ -> case md of
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   379
                Nothing -> id2C IOInsert (Identifier i tb)
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   380
                Just ts -> id2C (IOInsertWithType ts) (Identifier i tb)
6626
a447993f2ad7 Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents: 6618
diff changeset
   381
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   382
typeVarDecl2BaseType :: [TypeVarDeclaration] -> State RenderState [(Bool, BaseType)]
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   383
typeVarDecl2BaseType d = do
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   384
    st <- get
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   385
    result <- sequence $ concat $ map resolveType' d
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   386
    put st -- restore state (not sure if necessary)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   387
    return result
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   388
    where
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   389
        resolveType' :: TypeVarDeclaration -> [State RenderState (Bool, BaseType)]
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   390
        resolveType' (VarDeclaration isVar _ (ids, t) _) = replicate (length ids) (resolveTypeHelper' (resolveType t) isVar)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   391
        resolveType' _ = error "typeVarDecl2BaseType: not a VarDeclaration"
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   392
        resolveTypeHelper' :: State RenderState BaseType -> Bool -> State RenderState (Bool, BaseType)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   393
        resolveTypeHelper' st b = do
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   394
            bt <- st
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   395
            return (b, bt)
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
   396
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
   397
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
   398
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
   399
    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
   400
    v <- gets $ Map.lookup i' . currentScope
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   401
    if isJust v then return . baseType . 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
   402
    where
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   403
    f "uinteger" = BTInt False
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   404
    f "integer" = BTInt True
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
   405
    f "pointer" = BTPointerTo BTVoid
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   406
    f "boolean" = BTBool
6649
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   407
    f "float" = BTFloat
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   408
    f "char" = BTChar
7f78e8a6db69 Fix a bug with type declaration trying to resolve type being declared
unc0rr
parents: 6635
diff changeset
   409
    f "string" = BTString
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   410
    f "ansistring" = BTAString
6635
c2fa29fe2a58 Some progress, still can't find the source of bad behavior
unc0rr
parents: 6626
diff changeset
   411
    f _ = error $ "Unknown system type: " ++ show st
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   412
resolveType (PointerTo (SimpleType (Identifier i _))) = return . BTPointerTo $ BTUnresolved (map toLower i)
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   413
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
   414
resolveType (RecordType tv mtvs) = do
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   415
    tvs <- mapM f (concat $ tv : fromMaybe [] mtvs)
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   416
    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
   417
    where
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   418
        f :: TypeVarDeclaration -> State RenderState [(String, BaseType)]
7317
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   419
        f (VarDeclaration _ _ (ids, td) _) = mapM (\(Identifier i _) -> liftM ((,) i) $ resolveType td) ids
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   420
        f _ = error "resolveType f: pattern not matched"
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   421
resolveType (ArrayDecl (Just i) t) = do
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   422
    t' <- resolveType t
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   423
    return $ BTArray i (BTInt True) t'
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   424
resolveType (ArrayDecl Nothing t) = liftM (BTArray RangeInfinite (BTInt True)) $ resolveType t
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   425
resolveType (FunctionType t a) = do
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
   426
    bts <- typeVarDecl2BaseType a
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   427
    liftM (BTFunction False False bts) $ resolveType t
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   428
resolveType (DeriveType (InitHexNumber _)) = return (BTInt True)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   429
resolveType (DeriveType (InitNumber _)) = return (BTInt True)
6835
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   430
resolveType (DeriveType (InitFloat _)) = return BTFloat
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   431
resolveType (DeriveType (InitString _)) = return BTString
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   432
resolveType (DeriveType (InitBinOp {})) = return (BTInt True)
7151
ec15d9e1a7e3 pas2c stuff
unc0rr
parents: 7134
diff changeset
   433
resolveType (DeriveType (InitPrefixOp _ e)) = initExpr2C e >> gets lastType
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   434
resolveType (DeriveType (BuiltInFunction{})) = return (BTInt True)
6835
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   435
resolveType (DeriveType (InitReference (Identifier{}))) = return BTBool -- TODO: derive from actual type
00b2fd32305d Better deriving, some fixes
unc0rr
parents: 6834
diff changeset
   436
resolveType (DeriveType _) = return BTUnknown
10111
459bc720cea1 Drop support for other string types than string255
unc0rr
parents: 10015
diff changeset
   437
resolveType String = return BTString
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   438
resolveType AString = return BTAString
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
   439
resolveType VoidType = return BTVoid
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   440
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
   441
resolveType (RangeType _) = return $ BTVoid
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   442
resolveType (Set t) = liftM BTSet $ resolveType t
7323
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   443
resolveType (VarParamType t) = liftM BTVarParam $ resolveType t
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   444
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   445
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
   446
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
   447
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
   448
    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
   449
    if isJust v then
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   450
        resolve s . baseType . 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
   451
        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
   452
        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
   453
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
   454
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
   455
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
   456
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
   457
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
   458
    error $ "Dereferencing from non-pointer type " ++ show t ++ "\n" ++ s
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   459
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   460
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   461
functionParams2C :: [TypeVarDeclaration] -> State RenderState Doc
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   462
functionParams2C params = liftM (hcat . punctuate comma . concat) $ mapM (tvar2C False False True True False) params
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
   463
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   464
numberOfDeclarations :: [TypeVarDeclaration] -> Int
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   465
numberOfDeclarations = sum . map cnt
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   466
    where
7317
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   467
        cnt (VarDeclaration _ _ (ids, _) _) = length ids
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   468
        cnt _ = 1
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
   469
7317
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   470
hasPassByReference :: [TypeVarDeclaration] -> Bool
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   471
hasPassByReference = or . map isVar
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   472
    where
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   473
        isVar (VarDeclaration v _ (_, _) _) = v
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   474
        isVar _ = error $ "hasPassByReference called not on function parameters"
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   475
7323
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   476
toIsVarList :: [TypeVarDeclaration] -> [Bool]
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   477
toIsVarList = concatMap isVar
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   478
    where
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   479
        isVar (VarDeclaration v _ (p, _) _) = replicate (length p) v
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   480
        isVar _ = error $ "toIsVarList called not on function parameters"
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   481
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   482
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   483
funWithVarsToDefine :: String -> [TypeVarDeclaration] -> Doc
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   484
funWithVarsToDefine n params = text "#define" <+> text n <> parens abc <+> text (n ++ "__vars") <> parens cparams
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   485
    where
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   486
        abc = hcat . punctuate comma . map (char . fst) $ ps
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   487
        cparams = hcat . punctuate comma . map (\(c, v) -> if v then char '&' <> parens (char c) else char c) $ ps
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   488
        ps = zip ['a'..] (toIsVarList params)
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   489
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   490
fun2C :: Bool -> String -> TypeVarDeclaration -> State RenderState [Doc]
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   491
fun2C _ _ (FunctionDeclaration name _ overload external returnType params Nothing) = do
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   492
    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
   493
    t'<- gets lastType
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   494
    bts <- typeVarDecl2BaseType params
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   495
    p <- withState' id $ functionParams2C params
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   496
    n <- liftM render . id2C IOInsert $ setBaseType (BTFunction False external bts t') name
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   497
    let decor = if overload then text "__attribute__((overloadable))" else empty
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   498
    return [t empty <+> decor <+> text n <> parens p]
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   499
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   500
fun2C True rv (FunctionDeclaration name@(Identifier i _) inline overload external returnType params (Just (tvars, phrase))) = do
7134
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   501
    let isVoid = case returnType of
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   502
            VoidType -> True
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   503
            _ -> False
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   504
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   505
    let res = docToLower $ text rv <> if isVoid then empty else text "_result"
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   506
    t <- type2C returnType
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   507
    t' <- gets lastType
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   508
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   509
    bts <- typeVarDecl2BaseType params
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   510
    --cu <- gets currentUnit
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   511
    notDeclared <- liftM isNothing . gets $ Map.lookup (map toLower i) . currentScope
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   512
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   513
    n <- liftM render . id2C IOInsert $ setBaseType (BTFunction hasVars external bts t') name
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   514
    let resultId = if isVoid
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   515
                    then n -- void type doesn't have result, solving recursive procedure calls
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   516
                    else (render res)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   517
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   518
    (p, ph) <- withState' (\st -> st{currentScope = Map.insertWith un (map toLower rv) [Record resultId (if isVoid then (BTFunction hasVars False bts t') else t') empty] $ currentScope st
7134
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   519
            , currentFunctionResult = if isVoid then [] else render res}) $ do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   520
        p <- functionParams2C params
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   521
        ph <- liftM2 ($+$) (typesAndVars2C False False True False tvars) (phrase2C' phrase)
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
   522
        return (p, ph)
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   523
10497
c7c50f165946 [PAS2C] Don't generate result variable for trivial functions consisting of single exit() call
unc0rr
parents: 10245
diff changeset
   524
    let isTrivialReturn = case phrase of
c7c50f165946 [PAS2C] Don't generate result variable for trivial functions consisting of single exit() call
unc0rr
parents: 10245
diff changeset
   525
         (Phrases (BuiltInFunctionCall _ (SimpleReference (Identifier "exit" BTUnknown)) : _)) -> True
c7c50f165946 [PAS2C] Don't generate result variable for trivial functions consisting of single exit() call
unc0rr
parents: 10245
diff changeset
   526
         _ -> False
c7c50f165946 [PAS2C] Don't generate result variable for trivial functions consisting of single exit() call
unc0rr
parents: 10245
diff changeset
   527
    let phrasesBlock = if isVoid || isTrivialReturn then ph else t empty <+> res <> semi $+$ ph $+$ text "return" <+> res <> semi
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   528
    --let define = if hasVars then text "#ifndef" <+> text n $+$ funWithVarsToDefine n params $+$ text "#endif" else empty
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   529
    let inlineDecor = if inline then case notDeclared of
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   530
                                    True -> text "static inline"
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   531
                                    False -> text "inline"
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   532
                          else empty
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   533
        overloadDecor = if overload then text "__attribute__((overloadable))" else empty
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   534
    return [
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   535
        --define
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   536
        -- $+$
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   537
        --(if notDeclared && hasVars then funWithVarsToDefine n params else empty) $+$
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   538
        inlineDecor <+> t empty <+> overloadDecor <+> text 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
   539
        $+$
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   540
        text "{"
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   541
        $+$
6836
42382794b73f - Treat strings as arrays of chars
unc0rr
parents: 6835
diff changeset
   542
        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
   543
        $+$
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   544
        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
   545
    where
6499
33180b479efa Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents: 6489
diff changeset
   546
    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
   547
    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
   548
    un [a] b = a : b
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   549
    un _ _ = error "fun2C u: pattern not matched"
7333
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
   550
    hasVars = hasPassByReference params
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   551
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   552
fun2C False _ (FunctionDeclaration (Identifier name _) _ _ _ _ _ _) = error $ "nested functions not allowed: " ++ name
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   553
fun2C _ tv _ = error $ "fun2C: I don't render " ++ show tv
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
   554
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   555
-- the second bool indicates whether declare variable as extern or not
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   556
-- the third bool indicates whether include types or not
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   557
-- the fourth bool indicates whether ignore initialization or not (basically for dynamic arrays since we cannot do initialization in function params)
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   558
tvar2C :: Bool -> Bool -> Bool -> Bool -> Bool -> TypeVarDeclaration -> State RenderState [Doc]
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   559
tvar2C b _ includeType _ _ f@(FunctionDeclaration (Identifier name _) _ _ _ _ _ _) = do
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   560
    t <- fun2C b name f
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   561
    if includeType then return t else return []
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   562
tvar2C _ _ includeType _ _ (TypeDeclaration i' t) = do
6653
d45b6dbd2ad6 Move a bit further
unc0rr
parents: 6649
diff changeset
   563
    i <- id2CTyped t i'
7039
e7dc6ddd1e29 Handle function type differently
unc0rr
parents: 7038
diff changeset
   564
    tp <- type2C t
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   565
    let res = if includeType then [text "typedef" <+> tp i] else []
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   566
    case t of
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   567
        (Sequence ids) -> do
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   568
            modify(\s -> s{enums = (render i, map (\(Identifier id' _) -> id') ids) : enums s})
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   569
            return res
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   570
        _ -> return res
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   571
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   572
tvar2C _ _ _ _ _ (VarDeclaration True _ (ids, t) Nothing) = do
7323
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   573
    t' <- liftM ((empty <+>) . ) $ type2C t
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   574
    liftM (map(\i -> t' i)) $ mapM (id2CTyped2 (Just $ t' empty) (VarParamType t)) ids
7323
8490a4f439a5 Convert function with var parameters declarations into #define + function which accepts pointers
unc0rr
parents: 7317
diff changeset
   575
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   576
tvar2C _ externVar includeType ignoreInit static (VarDeclaration _ isConst (ids, t) mInitExpr) = do
15750
036263d63b05 Fix lack of declaration decorations for dynamic arrays in Pas2C
unc0rr
parents: 14357
diff changeset
   577
    t' <- liftM ((declDetails <+>) . ) $ type2C t
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   578
    ie <- initExpr mInitExpr
6979
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   579
    lt <- gets lastType
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   580
    case (isConst, lt, ids, mInitExpr) of
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   581
         (True, BTInt _, [i], Just _) -> do
6979
cd28fe36170a Declare const ints as enums
unc0rr
parents: 6967
diff changeset
   582
             i' <- id2CTyped t i
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   583
             return $ if includeType then [text "enum" <> braces (i' <+> ie)] else []
7002
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   584
         (True, BTFloat, [i], Just e) -> do
5d817ba976f7 Render float consts into defines
unc0rr
parents: 6980
diff changeset
   585
             i' <- id2CTyped t i
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   586
             ie' <- initExpr2C e
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   587
             return $ if includeType then [text "#define" <+> i' <+> parens ie' <> text "\n"] else []
7327
4e35c45d0853 Fix the function definition issue so the function pointer format now looks correct.
xymeng
parents: 7323
diff changeset
   588
         (_, BTFunction{}, _, Nothing) -> liftM (map(\i -> t' i)) $ mapM (id2CTyped t) ids
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   589
         (_, BTArray r _ _, [i], _) -> do
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   590
            i' <- id2CTyped t i
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   591
            ie' <- return $ case (r, mInitExpr, ignoreInit) of
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   592
                (RangeInfinite, Nothing, False) -> text "= NULL" -- force dynamic array to be initialized as NULL if not initialized at all
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   593
                (_, _, _) -> ie
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   594
            result <- liftM (map(\id' -> varDeclDecision isConst includeType (t' id') ie')) $ mapM (id2CTyped t) ids
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   595
            case (r, ignoreInit) of
8442
535a00ca0d35 whitespaces and tabs again
koda
parents: 7529
diff changeset
   596
                (RangeInfinite, False) ->
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   597
                    -- if the array is dynamic, add dimension info to it
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   598
                    return $ [dimDecl] ++ result
8442
535a00ca0d35 whitespaces and tabs again
koda
parents: 7529
diff changeset
   599
                    where
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   600
                        arrayDimStr = show $ arrayDimension t
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   601
                        arrayDimInitExp = text ("={" ++ ".dim = " ++ arrayDimStr ++ ", .a = {0, 0, 0, 0}}")
15750
036263d63b05 Fix lack of declaration decorations for dynamic arrays in Pas2C
unc0rr
parents: 14357
diff changeset
   602
                        dimDecl = varDeclDecision isConst includeType (declDetails <+> text "fpcrtl_dimension_t" <+>  i' <> text "_dimension_info") arrayDimInitExp
8442
535a00ca0d35 whitespaces and tabs again
koda
parents: 7529
diff changeset
   603
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   604
                (_, _) -> return result
8442
535a00ca0d35 whitespaces and tabs again
koda
parents: 7529
diff changeset
   605
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   606
         _ -> liftM (map(\i -> varDeclDecision isConst includeType (t' i) ie)) $ mapM (id2CTyped2 (Just $ t' empty) t) ids
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   607
    where
15750
036263d63b05 Fix lack of declaration decorations for dynamic arrays in Pas2C
unc0rr
parents: 14357
diff changeset
   608
    declDetails = if isConst then text "static const" else if externVar
036263d63b05 Fix lack of declaration decorations for dynamic arrays in Pas2C
unc0rr
parents: 14357
diff changeset
   609
                                                            then text "extern"
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   610
                                                            else if static then text "static" else empty
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   611
    initExpr Nothing = return $ empty
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   612
    initExpr (Just e) = liftM (text "=" <+>) (initExpr2C e)
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   613
    varDeclDecision True True varStr expStr = varStr <+> expStr
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   614
    varDeclDecision False True varStr expStr = if externVar then varStr else varStr <+> expStr
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   615
    varDeclDecision False False varStr expStr = varStr <+> expStr
13878
0ce8aad17c24 IFDEF out missing function with FIXME, revert pas2c change in 0ecf77e203c0 as suggested by unc0rr, another string annotation
nemo
parents: 13862
diff changeset
   616
    varDeclDecision True False _ _ = empty
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   617
    arrayDimension a = case a of
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   618
        ArrayDecl Nothing t' -> let a' = arrayDimension t' in 
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   619
                                   if a' > 3 then error "Dynamic array with dimension > 4 is not supported." else 1 + a'
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   620
        ArrayDecl _ _ -> error "Mixed dynamic array and static array are not supported."
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   621
        _ -> 0
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   622
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   623
tvar2C f _ _ _ _ (OperatorDeclaration op (Identifier i _) inline ret params body) = do
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   624
    r <- op2CTyped op (extractTypes params)
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   625
    fun2C f i (FunctionDeclaration r inline False False ret params body)
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   626
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   627
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   628
op2CTyped :: String -> [TypeDecl] -> State RenderState Identifier
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   629
op2CTyped op t = do
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   630
    t' <- liftM (render . hcat . punctuate (char '_') . map (\txt -> txt empty)) $ mapM type2C t
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   631
    bt <- gets lastType
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   632
    return $ Identifier (t' ++ "_op_" ++ opStr) bt
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   633
    where
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   634
    opStr = case op of
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   635
                    "+" -> "add"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   636
                    "-" -> "sub"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   637
                    "*" -> "mul"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   638
                    "/" -> "div"
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   639
                    "/(float)" -> "div"
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   640
                    "=" -> "eq"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   641
                    "<" -> "lt"
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   642
                    ">" -> "gt"
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   643
                    "<>" -> "neq"
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   644
                    _ -> error $ "op2CTyped: unknown op '" ++ op ++ "'"
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   645
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   646
extractTypes :: [TypeVarDeclaration] -> [TypeDecl]
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   647
extractTypes = concatMap f
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   648
    where
7317
3534a264b27a Prepare to handle passing by reference
unc0rr
parents: 7315
diff changeset
   649
        f (VarDeclaration _ _ (ids, t) _) = replicate (length ids) t
6880
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   650
        f a = error $ "extractTypes: can't extract from " ++ show a
34d3bc7bd8b1 Support operators declarations
unc0rr
parents: 6878
diff changeset
   651
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   652
initExpr2C, initExpr2C' :: InitExpression -> State RenderState Doc
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   653
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
   654
initExpr2C a = initExpr2C' a
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   655
initExpr2C' InitNull = return $ text "NULL"
7333
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
   656
initExpr2C' (InitAddress expr) = do
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
   657
    ie <- initExpr2C' expr
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
   658
    lt <- gets lastType
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
   659
    case lt of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   660
        BTFunction True _ _ _ -> return $ text "&" <> ie -- <> text "__vars"
7333
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
   661
        _ -> return $ text "&" <> ie
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   662
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
   663
initExpr2C' (InitBinOp op expr1 expr2) = do
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   664
    e1 <- initExpr2C' expr1
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   665
    e2 <- initExpr2C' expr2
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   666
    return $ parens $ e1 <+> text (op2C op) <+> e2
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   667
initExpr2C' (InitNumber s) = do
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   668
                                modify(\st -> st{lastType = (BTInt True)})
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
   669
                                return $ text s
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   670
initExpr2C' (InitFloat s) = return $ text s
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   671
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
   672
initExpr2C' (InitString [a]) = return . quotes $ text [a]
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   673
initExpr2C' (InitString s) = return $ strInit s
10747
07ade56c3b4a backporting some build system fixes and pas2c tweaks
sheepluva
parents: 10688
diff changeset
   674
initExpr2C' (InitPChar s) = return $ doubleQuotes (text $ escapeStr s)
9964
12b0ed9910cd Render chars as hex numbers
unc0rr
parents: 9954
diff changeset
   675
initExpr2C' (InitChar a) = return $ text "0x" <> text (showHex (read a) "")
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   676
initExpr2C' (InitReference i) = id2C IOLookup i
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   677
initExpr2C' (InitRecord fields) = do
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   678
    (fs :: [Doc]) <- mapM (\(Identifier a _, b) -> liftM (text "." <> text a <+> equals <+>) $ initExpr2C b) fields
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   679
    return $ lbrace $+$ (nest 4 . vcat . punctuate comma $ fs) $+$ rbrace
9954
bf51bc7e2808 - Fix build via pas2c
unc0rr
parents: 8446
diff changeset
   680
--initExpr2C' (InitArray [InitRecord fields]) = do
bf51bc7e2808 - Fix build via pas2c
unc0rr
parents: 8446
diff changeset
   681
--    e <- initExpr2C $ InitRecord fields
bf51bc7e2808 - Fix build via pas2c
unc0rr
parents: 8446
diff changeset
   682
--    return $ braces $ e
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   683
initExpr2C' r@(InitRange (Range i@(Identifier i' _))) = do
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   684
    void $ id2C IOLookup i
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   685
    t <- gets lastType
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   686
    case t of
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   687
         BTEnum s -> return . int $ length s
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   688
         BTInt _ -> case i' of
6891
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   689
                       "byte" -> return $ int 256
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   690
                       _ -> error $ "InitRange identifier: " ++ i'
ab9843957664 Improve rendering of function types, ranges, and more
unc0rr
parents: 6887
diff changeset
   691
         _ -> error $ "InitRange: " ++ show r
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   692
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
   693
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
   694
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
   695
initExpr2C' (InitSet []) = return $ text "0"
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   696
initExpr2C' (InitSet _) = return $ text "<<set>>"
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   697
initExpr2C' (BuiltInFunction "low" [InitReference e]) = return $
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   698
    case e of
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   699
         (Identifier "LongInt" _) -> int (-2^31)
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   700
         (Identifier "SmallInt" _) -> int (-2^15)
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
   701
         _ -> error $ "BuiltInFunction 'low': " ++ show e
13857
bc90a932a4b3 Fix pas2c not having support for High(LongInt) in init expressions
unc0rr
parents: 13819
diff changeset
   702
initExpr2C' hi@(BuiltInFunction "high" [e@(InitReference e')]) = do
13858
84b2191efde9 Backed out changeset aed7ee68305a
Wuzzy <Wuzzy2@mail.ru>
parents: 13856
diff changeset
   703
    void $ initExpr2C e
84b2191efde9 Backed out changeset aed7ee68305a
Wuzzy <Wuzzy2@mail.ru>
parents: 13856
diff changeset
   704
    t <- gets lastType
84b2191efde9 Backed out changeset aed7ee68305a
Wuzzy <Wuzzy2@mail.ru>
parents: 13856
diff changeset
   705
    case t of
84b2191efde9 Backed out changeset aed7ee68305a
Wuzzy <Wuzzy2@mail.ru>
parents: 13856
diff changeset
   706
         (BTArray i _ _) -> initExpr2C' $ BuiltInFunction "pred" [InitRange i]
13857
bc90a932a4b3 Fix pas2c not having support for High(LongInt) in init expressions
unc0rr
parents: 13819
diff changeset
   707
         BTInt _ -> case e' of
bc90a932a4b3 Fix pas2c not having support for High(LongInt) in init expressions
unc0rr
parents: 13819
diff changeset
   708
                  (Identifier "LongInt" _) -> return $ int (2147483647)
13859
885ee14fe640 Fix previous patch, add support for High(Longword)
unc0rr
parents: 13857
diff changeset
   709
                  (Identifier "LongWord" _) -> return $ text "4294967295"
885ee14fe640 Fix previous patch, add support for High(Longword)
unc0rr
parents: 13857
diff changeset
   710
                  _ -> error $ "BuiltInFunction 'high' in initExpr: " ++ show e'
13857
bc90a932a4b3 Fix pas2c not having support for High(LongInt) in init expressions
unc0rr
parents: 13819
diff changeset
   711
         a -> error $ "BuiltInFunction 'high' in initExpr: " ++ show a ++ ": " ++ show hi
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   712
initExpr2C' (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C' e
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   713
initExpr2C' (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C' e
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   714
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
   715
initExpr2C' (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C' e
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   716
initExpr2C' b@(BuiltInFunction _ _) = error $ show b
10131
4b4a043111f4 - pas2c recognizes typecasts in initialization expressions
unc0rr
parents: 10129
diff changeset
   717
initExpr2C' (InitTypeCast t' i) = do
4b4a043111f4 - pas2c recognizes typecasts in initialization expressions
unc0rr
parents: 10129
diff changeset
   718
    e <- initExpr2C i
4b4a043111f4 - pas2c recognizes typecasts in initialization expressions
unc0rr
parents: 10129
diff changeset
   719
    t <- id2C IOLookup t'
4b4a043111f4 - pas2c recognizes typecasts in initialization expressions
unc0rr
parents: 10129
diff changeset
   720
    return . parens $ parens t <> e
7052
cefb73639f70 Be more wise about constant initialization expressions being not arrays
unc0rr
parents: 7046
diff changeset
   721
initExpr2C' a = error $ "initExpr2C: don't know how to render " ++ show a
6391
bd5851ab3157 - Parse sets initialization
unc0rr
parents: 6355
diff changeset
   722
6887
19d77932ea91 Render some builtin functions
unc0rr
parents: 6886
diff changeset
   723
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   724
range2C :: InitExpression -> State RenderState [Doc]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   725
range2C (InitString [a]) = return [quotes $ text [a]]
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   726
range2C (InitRange (Range i)) = liftM (flip (:) []) $ id2C IOLookup i
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   727
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
   728
range2C a = liftM (flip (:) []) $ initExpr2C a
6391
bd5851ab3157 - Parse sets initialization
unc0rr
parents: 6355
diff changeset
   729
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   730
baseType2C :: String -> BaseType -> Doc
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   731
baseType2C _ BTFloat = text "float"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   732
baseType2C _ BTBool = text "bool"
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   733
baseType2C _ BTString = text "string255"
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   734
baseType2C _ BTAString = text "astring"
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   735
baseType2C s a = error $ "baseType2C: " ++ show a ++ "\n" ++ s
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   736
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   737
type2C :: TypeDecl -> State RenderState (Doc -> Doc)
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   738
type2C (SimpleType i) = liftM (\i' a -> i' <+> a) $ id2C IOLookup i
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   739
type2C t = do
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   740
    r <- type2C' t
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   741
    rt <- resolveType t
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   742
    modify (\st -> st{lastType = rt})
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   743
    return r
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   744
    where
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   745
    type2C' VoidType = return (text "void" <+>)
10111
459bc720cea1 Drop support for other string types than string255
unc0rr
parents: 10015
diff changeset
   746
    type2C' String = return (text "string255" <+>)--return (text ("string" ++ show l) <+>)
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   747
    type2C' AString = return (text "astring" <+>)
7034
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   748
    type2C' (PointerTo (SimpleType i)) = do
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   749
        i' <- id2C IODeferred i
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   750
        lt <- gets lastType
e3639ce1d4f8 (PointerTo (SimpleType _)) could be a pointer to a non-struct type
unc0rr
parents: 7033
diff changeset
   751
        case lt of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
   752
             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
   753
             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
   754
             _ -> return $ \a -> i' <+> text "*" <+> a
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   755
    type2C' (PointerTo t) = liftM (\tx a -> tx (parens $ text "*" <> a)) $ type2C t
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   756
    type2C' (RecordType tvs union) = do
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   757
        t' <- withState' f $ mapM (tvar2C False False True False False) tvs
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   758
        u <- unions
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   759
        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
   760
        where
7040
4aff2da0d0b3 Render function variables in struct with no mangling. 13 C units are compilable now.
unc0rr
parents: 7039
diff changeset
   761
            f s = s{currentUnit = ""}
6886
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   762
            unions = case union of
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   763
                     Nothing -> return empty
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   764
                     Just a -> do
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   765
                         structs <- mapM struct2C a
4463ee51c9ec Render unions
unc0rr
parents: 6883
diff changeset
   766
                         return $ text "union" $+$ braces (nest 4 $ vcat structs) <> semi
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   767
            struct2C stvs = do
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   768
                txts <- withState' f $ mapM (tvar2C False False True False False) stvs
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   769
                return $ text "struct" $+$ braces (nest 4 (vcat . map (<> semi) . concat $ txts)) <> semi
6894
555a8d8db228 Some more progress with pas2c
unc0rr
parents: 6893
diff changeset
   770
    type2C' (RangeType r) = return (text "int" <+>)
6838
b1a0e7a52c04 More clean namespace, some fixes
unc0rr
parents: 6837
diff changeset
   771
    type2C' (Sequence ids) = do
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   772
        is <- mapM (id2C IOInsert . setBaseType bt) ids
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   773
        return (text "enum" <+> (braces . vcat . punctuate comma . map (\(a, b) -> a <+> equals <+> text "0x" <> text (showHex b "")) $ zip is [0..]) <+>)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   774
        where
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   775
            bt = BTEnum $ map (\(Identifier i _) -> map toLower i) ids
6894
555a8d8db228 Some more progress with pas2c
unc0rr
parents: 6893
diff changeset
   776
    type2C' (ArrayDecl Nothing t) = type2C (PointerTo t)
14236
0f8b647ea317 corrected parsing joined with unC0Rr's corrected generating finally gives the right result
alfadur
parents: 14235
diff changeset
   777
    type2C' (ArrayDecl (Just r1) (ArrayDecl (Just r2) t)) = do
0f8b647ea317 corrected parsing joined with unC0Rr's corrected generating finally gives the right result
alfadur
parents: 14235
diff changeset
   778
        t' <- type2C t
0f8b647ea317 corrected parsing joined with unC0Rr's corrected generating finally gives the right result
alfadur
parents: 14235
diff changeset
   779
        lt <- gets lastType
0f8b647ea317 corrected parsing joined with unC0Rr's corrected generating finally gives the right result
alfadur
parents: 14235
diff changeset
   780
        r1' <- initExpr2C (InitRange r1)
0f8b647ea317 corrected parsing joined with unC0Rr's corrected generating finally gives the right result
alfadur
parents: 14235
diff changeset
   781
        r2' <- initExpr2C (InitRange r2)
14237
81fba21495a5 was a wrong copy apparently
alfadur
parents: 14236
diff changeset
   782
        return $ \i -> t' i <> brackets r1' <> brackets r2'
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   783
    type2C' (ArrayDecl (Just r) t) = do
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   784
        t' <- type2C t
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   785
        lt <- gets lastType
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   786
        ft <- case lt of
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   787
                -- BTFunction {} -> type2C (PointerTo t)
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   788
                _ -> return t'
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   789
        r' <- initExpr2C (InitRange r)
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   790
        return $ \i -> ft i <> brackets r'
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   791
    type2C' (Set t) = return (text "<<set>>" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   792
    type2C' (FunctionType returnType params) = do
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   793
        t <- type2C returnType
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   794
        p <- withState' id $ functionParams2C params
7327
4e35c45d0853 Fix the function definition issue so the function pointer format now looks correct.
xymeng
parents: 7323
diff changeset
   795
        return (\i -> (t empty <> (parens $ text "*" <> i) <> parens p))
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   796
    type2C' (DeriveType (InitBinOp _ _ i)) = type2C' (DeriveType i)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   797
    type2C' (DeriveType (InitPrefixOp _ i)) = type2C' (DeriveType i)
6878
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   798
    type2C' (DeriveType (InitNumber _)) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   799
    type2C' (DeriveType (InitHexNumber _)) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   800
    type2C' (DeriveType (InitFloat _)) = return (text "float" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   801
    type2C' (DeriveType (BuiltInFunction {})) = return (text "int" <+>)
0af34406b83d Improve rendering of function types, arrays, and more
unc0rr
parents: 6875
diff changeset
   802
    type2C' (DeriveType (InitString {})) = return (text "string255" <+>)
6980
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   803
    type2C' (DeriveType r@(InitReference {})) = do
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   804
        initExpr2C r
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   805
        t <- gets lastType
07a710e22846 Better type deriving
unc0rr
parents: 6979
diff changeset
   806
        return (baseType2C (show r) t <+>)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
   807
    type2C' (DeriveType a) = error $ "Can't derive type from " ++ show a
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   808
    type2C' a = error $ "type2C: unknown type " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   809
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   810
phrase2C :: Phrase -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   811
phrase2C (Phrases p) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   812
    ps <- mapM phrase2C p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   813
    return $ text "{" $+$ (nest 4 . vcat $ ps) $+$ text "}"
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   814
phrase2C (ProcCall f@(FunCall {}) []) = liftM (<> semi) $ ref2C f
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   815
phrase2C (ProcCall ref []) = liftM (<> semi) $ ref2CF ref True
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   816
phrase2C (ProcCall _ _) = error $ "ProcCall"{-do
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   817
    r <- ref2C ref
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   818
    ps <- mapM expr2C params
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   819
    return $ r <> parens (hsep . punctuate (char ',') $ ps) <> semi -}
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   820
phrase2C (IfThenElse (expr) phrase1 mphrase2) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   821
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   822
    p1 <- (phrase2C . wrapPhrase) phrase1
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   823
    el <- elsePart
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   824
    return $
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   825
        text "if" <> parens e $+$ p1 $+$ el
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   826
    where
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   827
    elsePart | isNothing mphrase2 = return $ empty
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   828
             | otherwise = liftM (text "else" $$) $ (phrase2C . wrapPhrase) (fromJust mphrase2)
8446
c18ba8726f5a Fix sources so pas2c written in haskell could render them again
unc0rr
parents: 8444
diff changeset
   829
phrase2C asgn@(Assignment ref expr) = do
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   830
    r <- ref2C ref
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
   831
    t <- gets lastType
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   832
    case (t, expr) of
10142
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10131
diff changeset
   833
        (_, Reference r') | ref == r' -> do
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10131
diff changeset
   834
            e <- ref2C r'
adb804cb2638 Reduce number of warnings in pas2c-generated code
unc0rr
parents: 10131
diff changeset
   835
            return $ text "UNUSED" <+> parens e <> semi
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   836
        (BTFunction {}, (Reference r')) -> do
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   837
            e <- ref2C r'
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   838
            return $ r <+> text "=" <+> e <> semi
7134
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   839
        (BTString, _) -> do
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   840
            void $ expr2C expr
7134
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   841
            lt <- gets lastType
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   842
            case lt of
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   843
                -- assume pointer to char for simplicity
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   844
                BTPointerTo _ -> do
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   845
                    e <- expr2C $ Reference $ FunCall [Reference $ RefExpression expr] (SimpleReference (Identifier "pchar2str" BTUnknown))
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   846
                    return $ r <+> text "=" <+> e <> semi
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   847
                BTAString -> do
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   848
                    e <- expr2C $ Reference $ FunCall [Reference $ RefExpression expr] (SimpleReference (Identifier "astr2str" BTUnknown))
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   849
                    return $ r <+> text "=" <+> e <> semi
7134
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   850
                BTString -> do
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   851
                    e <- expr2C expr
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   852
                    return $ r <+> text "=" <+> e <> semi
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   853
                _ -> error $ "Assignment to string from " ++ show lt ++ "\n" ++ show asgn
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   854
        (BTAString, _) -> do
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   855
            void $ expr2C expr
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   856
            lt <- gets lastType
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   857
            case lt of
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   858
                -- assume pointer to char for simplicity
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   859
                BTPointerTo _ -> do
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   860
                    e <- expr2C $ Reference $ FunCall [Reference $ RefExpression expr] (SimpleReference (Identifier "pchar2astr" BTUnknown))
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   861
                    return $ r <+> text "=" <+> e <> semi
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   862
                BTString -> do
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   863
                    e <- expr2C $ Reference $ FunCall [Reference $ RefExpression expr] (SimpleReference (Identifier "str2astr" BTUnknown))
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   864
                    return $ r <+> text "=" <+> e <> semi
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   865
                BTAString -> do
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   866
                    e <- expr2C expr
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   867
                    return $ r <+> text "=" <+> e <> semi
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   868
                _ -> error $ "Assignment to ansistring from " ++ show lt ++ "\n" ++ show asgn
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   869
        (BTArray _ _ _, _) -> do
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   870
            case expr of
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   871
                Reference er -> do
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
   872
                    void $ ref2C er
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   873
                    exprT <- gets lastType
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   874
                    case exprT of
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   875
                        BTArray RangeInfinite _ _ ->
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   876
                            return $ text "FIXME: assign a dynamic array to an array"
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   877
                        BTArray _ _ _ -> phrase2C $
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   878
                                ProcCall (FunCall
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   879
                                    [
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   880
                                    Reference $ ref
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   881
                                    , Reference $ RefExpression expr
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   882
                                    , Reference $ FunCall [expr] (SimpleReference (Identifier "sizeof" BTUnknown))
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   883
                                    ]
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   884
                                    (SimpleReference (Identifier "memcpy" BTUnknown))
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   885
                                    ) []
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   886
                        _ -> return $ text "FIXME: assign a non-specific value to an array"
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   887
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   888
                _ -> return $ text "FIXME: dynamic array assignment 2"
7066
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   889
        _ -> do
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   890
            e <- expr2C expr
12cc2bd84b0b Make pas2c even more happier with uGears.c, allow assigning arrays in some cases
unc0rr
parents: 7062
diff changeset
   891
            return $ r <+> text "=" <+> e <> semi
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   892
phrase2C (WhileCycle expr phrase) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   893
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   894
    p <- phrase2C $ wrapPhrase phrase
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   895
    return $ text "while" <> parens e $$ p
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   896
phrase2C (SwitchCase expr cases mphrase) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   897
    e <- expr2C expr
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   898
    cs <- mapM case2C cases
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   899
    d <- dflt
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   900
    return $
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
   901
        text "switch" <> parens e $+$ braces (nest 4 . vcat $ cs ++ d)
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   902
    where
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   903
    case2C :: ([InitExpression], Phrase) -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   904
    case2C (e, p) = do
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   905
        ies <- mapM range2C e
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   906
        ph <- phrase2C p
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   907
        return $
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   908
             vcat (map (\i -> text "case" <+> i <> colon) . concat $ ies) <> nest 4 (ph $+$ text "break;")
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   909
    dflt | isNothing mphrase = return [text "default: break;"] -- avoid compiler warning
6874
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   910
         | otherwise = do
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   911
             ph <- mapM phrase2C $ fromJust mphrase
b9e2e509a42d Better handle switch statement
unc0rr
parents: 6872
diff changeset
   912
             return [text "default:" <+> nest 4 (vcat ph)]
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   913
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   914
phrase2C wb@(WithBlock ref p) = do
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
   915
    r <- ref2C ref
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   916
    t <- gets lastType
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   917
    case t of
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   918
        (BTRecord _ rs) -> withRecordNamespace (render r ++ ".") (rec2Records rs) $ phrase2C $ wrapPhrase p
6845
3cbfc35f6c2e - Handle multidimensional arrays better
unc0rr
parents: 6843
diff changeset
   919
        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
   920
            error $ "'with' block referencing non-record type " ++ show a ++ "\n" ++ show wb
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
   921
phrase2C (ForCycle i' e1' e2' p up) = do
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
   922
    i <- id2C IOLookup i'
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   923
    -- hackishly strip 'static' from type declaration to workaround the use of global variables in 'for' cycles in uLandGenMaze
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   924
    iType <- liftM (text . maybeStripPrefix "static " . show) $ gets lastIdTypeDecl
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   925
    e1 <- expr2C e1'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   926
    e2 <- expr2C e2'
7529
058fcb451b37 Check if 'for' cycle body is executed at least once
unc0rr
parents: 7513
diff changeset
   927
    let iEnd = i <> text "__end__"
10688
9459c45b5190 dark magic: make "continue" statement work in pas2c-parsed for-loops. (would skip iteration and lead to infinite loops before)
sheepluva
parents: 10497
diff changeset
   928
    ph <- phrase2C $ wrapPhrase p
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   929
    return . braces $
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   930
        i <+> text "=" <+> e1 <> semi
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   931
        $$
7529
058fcb451b37 Check if 'for' cycle body is executed at least once
unc0rr
parents: 7513
diff changeset
   932
        iType <+> iEnd <+> text "=" <+> e2 <> semi
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
   933
        $$
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   934
        text "if" <+> (parens $ i <+> text (if up then "<=" else ">=") <+> iEnd) <+> text "do" <+> ph <+>
10688
9459c45b5190 dark magic: make "continue" statement work in pas2c-parsed for-loops. (would skip iteration and lead to infinite loops before)
sheepluva
parents: 10497
diff changeset
   935
        text "while" <> parens (i <> text (if up then "++" else "--") <+> text "!=" <+> iEnd) <> semi
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   936
    where
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
   937
        appendPhrase p (Phrases ps) = Phrases $ ps ++ [p]
10497
c7c50f165946 [PAS2C] Don't generate result variable for trivial functions consisting of single exit() call
unc0rr
parents: 10245
diff changeset
   938
        appendPhrase _ _ = error "illegal appendPhrase call"
15752
f09db263bc2a Mark global variables in implementation section static
unC0Rr
parents: 15750
diff changeset
   939
        maybeStripPrefix prefix a = fromMaybe a $ stripPrefix prefix a
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   940
phrase2C (RepeatCycle e' p') = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   941
    e <- expr2C e'
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   942
    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
   943
    return $ text "do" <+> p <+> text "while" <> parens (text "!" <> parens e) <> semi
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   944
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   945
phrase2C NOP = return $ text ";"
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
   946
7134
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   947
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "exit" BTUnknown))) = do
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   948
    f <- gets currentFunctionResult
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   949
    if null f then
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   950
        return $ text "return" <> semi
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   951
        else
beb16926ae5c Some improvements to pas2c
unc0rr
parents: 7075
diff changeset
   952
        return $ text "return" <+> text f <> semi
7038
d853e4385241 Some more definitions and slight fixes
unc0rr
parents: 7037
diff changeset
   953
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
   954
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "continue" BTUnknown))) = return $ text "continue" <> semi
7037
7edce323558f uAmmos.c now compiles (3 warnings though)
unc0rr
parents: 7036
diff changeset
   955
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
   956
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
   957
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
   958
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
   959
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
   960
phrase2C a = error $ "phrase2C: " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   961
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   962
wrapPhrase p@(Phrases _) = p
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
   963
wrapPhrase p = Phrases [p]
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
   964
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   965
parensExpr2C :: Expression -> State RenderState Doc
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   966
parensExpr2C bop@(BinOp _ _ _) = liftM parens $ expr2C bop
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   967
parensExpr2C set@(SetExpression _ ) = liftM parens $ expr2C set
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   968
parensExpr2C e = expr2C e
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   969
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
   970
expr2C :: Expression -> State RenderState Doc
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
   971
expr2C (Expression s) = return $ text s
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   972
expr2C bop@(BinOp op expr1 expr2) = do
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   973
    e1 <- parensExpr2C expr1
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
   974
    t1 <- gets lastType
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   975
    e2 <- parensExpr2C 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
   976
    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
   977
    case (op2C op, t1, t2) of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   978
        ("+", BTAString, BTAString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strconcatA" (fff t1 t2 BTString))
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   979
        ("+", BTAString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strappendA" (fff t1 t2  BTAString))
13344
4f9108f82879 Pas2C: Add support for char + ansistring (for real this time)
Wuzzy <Wuzzy2@mail.ru>
parents: 13306
diff changeset
   980
        ("+", BTChar, BTAString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprependA" (fff t1 t2  BTAString))
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   981
        ("!=", BTAString, BTAString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strncompareA" (fff t1 t2  BTBool))
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   982
        (_, BTAString, _) -> error $ "unhandled bin op with ansistring on the left side: " ++ show bop
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
   983
        (_, _, BTAString) -> error $ "unhandled bin op with ansistring on the right side: " ++ show bop
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   984
        ("+", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strconcat" (fff t1 t2  BTString))
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   985
        ("+", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strappend" (fff t1 t2  BTString))
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   986
        ("+", BTChar, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprepend" (fff t1 t2  BTString))
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   987
        ("+", BTChar, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_chrconcat" (fff t1 t2  BTString))
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   988
        ("==", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcomparec" (fff t1 t2  BTBool))
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   989
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   990
        -- for function/procedure comparision
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   991
        ("==", BTVoid, _) -> procCompare expr1 expr2 "=="
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   992
        ("==", BTFunction _ _ _ _, _) -> procCompare expr1 expr2 "=="
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   993
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   994
        ("!=", BTVoid, _) -> procCompare expr1 expr2 "!="
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   995
        ("!=", BTFunction _ _ _ _, _) -> procCompare expr1 expr2 "!="
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
   996
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   997
        ("==", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcompare" (fff t1 t2  BTBool))
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
   998
        ("!=", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strncompare" (fff t1 t2  BTBool))
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
   999
        ("&", BTBool, _) -> return $ e1 <+> text "&&" <+> e2
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1000
        ("|", BTBool, _) -> return $ e1 <+> text "||" <+> e2
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1001
        (_, BTRecord t1 _, BTRecord t2 _) -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1002
            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
  1003
            ref2C $ FunCall [expr1, expr2] (SimpleReference i)
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1004
        (_, BTRecord t1 _, BTInt _) -> do
7056
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
  1005
            -- aw, "LongInt" here is hwengine-specific hack
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
  1006
            i <- op2CTyped op [SimpleType (Identifier t1 undefined), SimpleType (Identifier "LongInt" undefined)]
2884c7be6691 Recognize (hwFloat op int) expressions
unc0rr
parents: 7055
diff changeset
  1007
            ref2C $ FunCall [expr1, expr2] (SimpleReference i)
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1008
        ("in", _, _) ->
7057
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
  1009
            case expr2 of
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
  1010
                 SetExpression set -> do
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
  1011
                     ids <- mapM (id2C IOLookup) set
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1012
                     modify(\s -> s{lastType = BTBool})
7057
c3eba84d1a98 Support operator 'in', replace it with equality checks against each element of set
unc0rr
parents: 7056
diff changeset
  1013
                     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
  1014
                 _ -> error "'in' against not set expression"
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
  1015
        (o, _, _) | o `elem` boolOps -> do
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
  1016
                        modify(\s -> s{lastType = BTBool})
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1017
                        return $ e1 <+> text o <+> e2
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1018
                  | otherwise -> do
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1019
                        o' <- return $ case o of
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1020
                            "/(float)" -> text "/(float)" -- pascal returns real value
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1021
                            _ -> text o
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1022
                        e1' <- return $ case (o, t1, t2) of
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1023
                                ("-", BTInt False, BTInt False) -> parens $ text "(int64_t)" <+> parens e1
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1024
                                _ -> e1
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1025
                        e2' <- return $ case (o, t1, t2) of
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1026
                                ("-", BTInt False, BTInt False) -> parens $ text "(int64_t)" <+> parens e2
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1027
                                _ -> e2
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1028
                        return $ e1' <+> o' <+> e2'
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
  1029
    where
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1030
        fff t1 t2 = BTFunction False False [(False, t1), (False, t2)]
6923
d2405a6a86f5 uCommands compiles
unc0rr
parents: 6921
diff changeset
  1031
        boolOps = ["==", "!=", "<", ">", "<=", ">="]
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1032
        procCompare expr1 expr2 op =
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1033
            case (expr1, expr2) of
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1034
                (Reference r1, Reference r2) -> do
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1035
                    id1 <- ref2C r1
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1036
                    id2 <- ref2C r2
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1037
                    return $ (parens id1) <+> text op <+> (parens id2)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1038
                (_, _) -> error $ "Two non reference type vars are compared but they have type of BTVoid or BTFunction\n" ++ show expr1 ++ "\n" ++ show expr2
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1039
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1040
expr2C (NumberLiteral s) = do
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1041
    modify(\s -> s{lastType = BTInt True})
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1042
    return $ text s
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1043
expr2C (FloatLiteral s) = return $ text s
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1044
expr2C (HexNumber s) = return $ text "0x" <> (text . map toLower $ s)
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
  1045
{-expr2C (StringLiteral [a]) = 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
  1046
    modify(\s -> s{lastType = BTChar})
7043
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
  1047
    return . quotes . text $ escape a
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
  1048
    where
7c080e5ac8d0 Some work to make more units compile after conversion to c
unc0rr
parents: 7042
diff changeset
  1049
        escape '\'' = "\\\'"
7067
f98ec3aecf4e A solution to char vs string problem: mark single-letter strings with _S macro
unc0rr
parents: 7066
diff changeset
  1050
        escape a = [a]-}
6896
23b38e530967 Move all strings into constants to make them of string255 type
unc0rr
parents: 6895
diff changeset
  1051
expr2C (StringLiteral s) = addStringConst s
7072
159616c24bb8 More magic
unc0rr
parents: 7069
diff changeset
  1052
expr2C (PCharLiteral s) = return . doubleQuotes $ text s
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1053
expr2C (Reference ref) = do
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1054
   isfunc <- gets isFunctionType
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1055
   modify(\s -> s{isFunctionType = False}) -- reset
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1056
   if isfunc then ref2CF ref False else ref2CF ref True
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1057
expr2C (PrefixOp op expr) = do
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1058
    e <- parensExpr2C expr
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1059
    lt <- gets lastType
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1060
    case lt of
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1061
        BTRecord t _ -> do
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1062
            i <- op2CTyped op [SimpleType (Identifier t undefined)]
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1063
            ref2C $ FunCall [expr] (SimpleReference i)
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1064
        BTBool -> do
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1065
            o <- return $ case op of
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1066
                     "not" -> text "!"
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1067
                     _ -> text (op2C op)
15754
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1068
            return $ o <> e
aa011799cb63 Reduce the amount of parens in pas2c output for prettier result, hopefully not breaking anything
unC0Rr
parents: 15752
diff changeset
  1069
        _ -> return $ text (op2C op) <> e
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1070
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
  1071
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
  1072
    modify(\s -> s{lastType = BTChar})
9964
12b0ed9910cd Render chars as hex numbers
unc0rr
parents: 9954
diff changeset
  1073
    return $ text "0x" <> text (showHex (read a) "")
7075
6bd7e5ad3f2b '\xd7af' -> 0xd7af
unc0rr
parents: 7072
diff changeset
  1074
expr2C (HexCharCode a) = if length a <= 2 then return $ quotes $ text "\\x" <> text (map toLower a) else expr2C $ HexNumber a
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1075
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
  1076
7036
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1077
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "low" _))) = do
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1078
    e' <- liftM (map toLower . render) $ expr2C e
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1079
    lt <- gets lastType
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1080
    case lt of
10113
b26c2772e754 Fix tons and tons of pas2c warnings (but still not all of them)
unc0rr
parents: 10111
diff changeset
  1081
         BTEnum _-> return $ int 0
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1082
         BTInt _ -> case e' of
7036
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1083
                  "longint" -> return $ int (-2147483648)
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1084
         BTArray {} -> return $ int 0
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1085
         _ -> error $ "BuiltInFunCall 'low' from " ++ show e ++ "\ntype: " ++ show lt
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1086
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "high" _))) = do
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1087
    e' <- liftM (map toLower . render) $ expr2C e
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1088
    lt <- gets lastType
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1089
    case lt of
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1090
         BTEnum a -> return . int $ length a - 1
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1091
         BTInt _ -> case e' of
7036
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1092
                  "longint" -> return $ int (2147483647)
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1093
         BTString -> return $ int 255
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1094
         BTArray (RangeFromTo _ n) _ _ -> initExpr2C n
d99934a827f0 Implement built-in functions Low() and High()
unc0rr
parents: 7034
diff changeset
  1095
         _ -> 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
  1096
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "ord" _))) = liftM parens $ expr2C e
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1097
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "succ" _))) = liftM (<> text " + 1") $ expr2C e
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1098
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "pred" _))) = do
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1099
    e'<- expr2C e
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1100
    return $ text "(int)" <> parens e' <> text " - 1"
7062
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
  1101
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "length" _))) = do
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
  1102
    e' <- expr2C e
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
  1103
    lt <- gets lastType
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1104
    modify (\s -> s{lastType = BTInt True})
7062
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
  1105
    case lt of
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1106
         BTString -> return $ text "fpcrtl_Length" <> parens e'
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1107
         BTAString -> return $ text "fpcrtl_LengthA" <> parens e'
7335
3c6f08af7dac - Don't call Length() on variable size arrays
unc0rr
parents: 7333
diff changeset
  1108
         BTArray RangeInfinite _ _ -> error $ "length() called on variable size array " ++ show e'
3c6f08af7dac - Don't call Length() on variable size arrays
unc0rr
parents: 7333
diff changeset
  1109
         BTArray (RangeFromTo _ n) _ _ -> initExpr2C (BuiltInFunction "succ" [n])
7062
7efe16575779 Recognize length on arrays as a separate function
unc0rr
parents: 7060
diff changeset
  1110
         _ -> error $ "length() called on " ++ show lt
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1111
expr2C (BuiltInFunCall [e, e1, e2] (SimpleReference (Identifier "copy" _))) = do
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1112
    e1' <- expr2C e1
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1113
    e2' <- expr2C e2
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1114
    e' <- expr2C e
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1115
    lt <- gets lastType
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1116
    let f name = return $ text name <> parens (hsep $ punctuate (char ',') [e', e1', e2'])
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1117
    case lt of
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1118
         BTString -> f "fpcrtl_copy"
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1119
         BTAString -> f "fpcrtl_copyA"
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1120
         _ -> error $ "copy() called on " ++ show lt
13306
806347b3c978 Improve error message a bit
unc0rr
parents: 11840
diff changeset
  1121
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1122
expr2C (BuiltInFunCall params ref) = do
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1123
    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
  1124
    t <- gets lastType
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1125
    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
  1126
    case t of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1127
        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
  1128
            modify (\s -> s{lastType = t'})
13306
806347b3c978 Improve error message a bit
unc0rr
parents: 11840
diff changeset
  1129
        _ -> error $ "BuiltInFunCall `" ++ show ref ++ "`, lastType: " ++ show t
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1130
    return $
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1131
        r <> parens (hsep . punctuate (char ',') $ ps)
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
  1132
expr2C a = error $ "Don't know how to render " ++ show a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
  1133
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1134
ref2CF :: Reference -> Bool -> State RenderState Doc
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1135
ref2CF (SimpleReference name) addParens = 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
  1136
    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
  1137
    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
  1138
    case t of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1139
         BTFunction _ _ _ rt -> do
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
  1140
             modify(\s -> s{lastType = rt})
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1141
             return $ if addParens then i <> parens empty else i --xymeng: removed parens
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
  1142
         _ -> return $ i
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1143
ref2CF r@(RecordField (SimpleReference _) (SimpleReference _)) addParens = do
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
  1144
    i <- ref2C r
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
  1145
    t <- gets lastType
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
  1146
    case t of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1147
         BTFunction _ _ _ rt -> do
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
  1148
             modify(\s -> s{lastType = rt})
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
  1149
             return $ if addParens then i <> parens empty else i
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
  1150
         _ -> return $ i
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1151
ref2CF r _ = ref2C r
6307
25cfd9f4a567 Even more improvements to the parser and converter
unc0rr
parents: 6277
diff changeset
  1152
6512
0df7f6697939 "System" unit to help converter
unc0rr
parents: 6511
diff changeset
  1153
ref2C :: Reference -> State RenderState Doc
6854
873929cbd54b Normalize RecordFields before conversion. Helps with namespaces problem.
unc0rr
parents: 6853
diff changeset
  1154
-- rewrite into proper form
6858
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
  1155
ref2C (RecordField ref1 (ArrayElement exprs ref2)) = ref2C $ ArrayElement exprs (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
  1156
ref2C (RecordField ref1 (Dereference ref2)) = ref2C $ Dereference (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
  1157
ref2C (RecordField ref1 (RecordField ref2 ref3)) = ref2C $ RecordField (RecordField ref1 ref2) ref3
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
  1158
ref2C (RecordField ref1 (FunCall params ref2)) = ref2C $ FunCall params (RecordField ref1 ref2)
608c8b057c3b Improve rendering into C
unc0rr
parents: 6855
diff changeset
  1159
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
  1160
-- conversion routines
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1161
ref2C ae@(ArrayElement [expr] ref) = do
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1162
    e <- expr2C expr
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1163
    r <- ref2C ref
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
  1164
    t <- gets lastType
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
  1165
    case t of
6893
69cc0166be8d - Track array size to use for High function
unc0rr
parents: 6891
diff changeset
  1166
         (BTArray _ _ t') -> modify (\st -> st{lastType = t'})
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
  1167
--         (BTFunctionReturn _ (BTArray _ _ t')) -> modify (\st -> st{lastType = t'})
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
  1168
--         (BTFunctionReturn _ (BTString)) -> modify (\st -> st{lastType = BTChar})
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1169
         BTString -> modify (\st -> st{lastType = BTChar})
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1170
         BTAString -> modify (\st -> st{lastType = BTChar})
6872
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
  1171
         (BTPointerTo t) -> do
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
  1172
                t'' <- fromPointer (show t) =<< gets lastType
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
  1173
                case t'' of
0f6eef4a07c8 Better support for strings
unc0rr
parents: 6860
diff changeset
  1174
                     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
  1175
                     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
  1176
         a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1177
    case t of
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1178
         BTString ->  return $ r <> text ".s" <> brackets e
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10124
diff changeset
  1179
         BTAString ->  return $ r <> text ".s" <> brackets e
6895
31def088a870 Many small improvements to pas2c
unc0rr
parents: 6894
diff changeset
  1180
         _ -> return $ r <> brackets e
6663
2c4151afad0c Workaround pointers to not yet defined types
unc0rr
parents: 6653
diff changeset
  1181
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
  1182
ref2C rf@(RecordField (Dereference ref1) ref2) = do
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1183
    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
  1184
    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
  1185
    r2 <- case t of
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
  1186
        BTRecord _ rs -> withRecordNamespace "" (rec2Records rs) $ ref2C ref2
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
  1187
        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
  1188
        a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1189
    return $
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1190
        r1 <> text "->" <> r2
6618
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
  1191
ref2C rf@(RecordField ref1 ref2) = do
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
  1192
    r1 <- ref2C ref1
2d3232069c4b Propagate types on identifiers
unc0rr
parents: 6552
diff changeset
  1193
    t <- gets lastType
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
  1194
    case t of
7042
de20086a6bcc Support overloaded operators on (hwFloat op hwFloat) calls
unc0rr
parents: 7040
diff changeset
  1195
        BTRecord _ rs -> do
7511
1841d5cf899f More mess in pas2c:
unc0rr
parents: 7429
diff changeset
  1196
            r2 <- withRecordNamespace "" (rec2Records rs) $ ref2C ref2
7033
583049a98113 Prepend unit name to function identifiers
unc0rr
parents: 7032
diff changeset
  1197
            return $ r1 <> text "." <> r2
7055
4c495c8f02da Convert "unit.function()" properly
unc0rr
parents: 7054
diff changeset
  1198
        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
  1199
        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
  1200
ref2C d@(Dereference ref) = do
6827
a0e152e68337 Dig into namespaces even more
unc0rr
parents: 6826
diff changeset
  1201
    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
  1202
    t <- fromPointer (show d) =<< gets lastType
6834
2af81d3b176d Resolve deferred type on dereference
unc0rr
parents: 6827
diff changeset
  1203
    modify (\st -> st{lastType = t})
6859
cd0697c7e88b Unwind 'with' construction
unc0rr
parents: 6858
diff changeset
  1204
    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
  1205
ref2C f@(FunCall params ref) = do
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
  1206
    r <- fref2C ref
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
  1207
    t <- gets lastType
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
  1208
    case t of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1209
        BTFunction _ _ bts t' -> do
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
  1210
            ps <- liftM (parens . hsep . punctuate (char ',')) $
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1211
                    if (length params) == (length bts) -- hot fix for pas2cSystem and pas2cRedo functions since they don't have params
10015
4feced261c68 partial merge of the webgl branch
koda
parents: 9982
diff changeset
  1212
                    then
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1213
                        mapM expr2CHelper (zip params bts)
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1214
                    else 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
  1215
            modify (\s -> s{lastType = t'})
6826
8fadeefdd352 Just some further work
unc0rr
parents: 6817
diff changeset
  1216
            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
  1217
        _ -> 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
  1218
                  (SimpleReference i, [p]) -> ref2C $ TypeCast i p
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1219
                  _ -> error $ "ref2C FunCall erroneous type cast detected: " ++ show f ++ "\nType detected: " ++ show t ++ "\n" ++ show ref ++ "\n" ++ show params ++ "\n" ++ show t
7032
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
  1220
    where
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
  1221
    fref2C (SimpleReference name) = id2C (IOLookupFunction $ length params) name
5685ca1ec9bf Mangle overloaded functions (only different number of parameters is supported)
unc0rr
parents: 7019
diff changeset
  1222
    fref2C a = ref2C a
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1223
    expr2CHelper :: (Expression, (Bool, BaseType)) -> State RenderState Doc
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1224
    expr2CHelper (e, (_, BTFunction _ _ _ _)) = do
8020
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1225
        modify (\s -> s{isFunctionType = True})
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1226
        expr2C e
00b1facf2805 merge xymeng pas2c
koda
parents: 8001
diff changeset
  1227
    expr2CHelper (e, (isVar, _)) = if isVar then liftM (((<>) $ text "&") . parens) $ (expr2C e) else expr2C e
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1228
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1229
ref2C (Address ref) = do
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1230
    r <- ref2C ref
7333
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
  1231
    lt <- gets lastType
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
  1232
    case lt of
10129
cd2a64a1f4aa - Pas2C: make use of 'external' function decorator
unc0rr
parents: 10127
diff changeset
  1233
        BTFunction True _ _ _ -> return $ text "&" <> parens r
7333
520a16a14747 Properly convert taking address of function with var parameters
unc0rr
parents: 7329
diff changeset
  1234
        _ -> 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
  1235
ref2C (TypeCast t'@(Identifier i _) expr) = do
7151
ec15d9e1a7e3 pas2c stuff
unc0rr
parents: 7134
diff changeset
  1236
    lt <- expr2C expr >> gets lastType
ec15d9e1a7e3 pas2c stuff
unc0rr
parents: 7134
diff changeset
  1237
    case (map toLower i, lt) of
ec15d9e1a7e3 pas2c stuff
unc0rr
parents: 7134
diff changeset
  1238
        ("pchar", BTString) -> ref2C $ FunCall [expr] (SimpleReference (Identifier "_pchar" $ BTPointerTo BTChar))
10120
b7f632c12784 Pas2C recognizes ansistrings
unc0rr
parents: 10113
diff changeset
  1239
        ("pchar", BTAString) -> ref2C $ FunCall [expr] (SimpleReference (Identifier "_pcharA" $ BTPointerTo BTChar))
10124
aabd1b75d5a3 Even more explicit type conversions and other stuff to help pas2c use ansistrings
unc0rr
parents: 10121
diff changeset
  1240
        ("shortstring", BTAString) -> ref2C $ FunCall [expr] (SimpleReference (Identifier "astr2str" $ BTString))
7151
ec15d9e1a7e3 pas2c stuff
unc0rr
parents: 7134
diff changeset
  1241
        ("shortstring", BTPointerTo _) -> ref2C $ FunCall [expr] (SimpleReference (Identifier "pchar2str" $ BTString))
10127
7f29a65aa1e4 It compiles \o/
unc0rr
parents: 10124
diff changeset
  1242
        ("ansistring", BTPointerTo _) -> ref2C $ FunCall [expr] (SimpleReference (Identifier "pchar2astr" $ BTAString))
10121
8b65699beb56 Implement a bit of astring
unc0rr
parents: 10120
diff changeset
  1243
        ("ansistring", BTString) -> ref2C $ FunCall [expr] (SimpleReference (Identifier "str2astr" $ BTAString))
7151
ec15d9e1a7e3 pas2c stuff
unc0rr
parents: 7134
diff changeset
  1244
        (a, _) -> 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
  1245
            e <- expr2C expr
7315
59b5b19e6604 Remove trailing spaces
unc0rr
parents: 7265
diff changeset
  1246
            t <- id2C IOLookup t'
7038
d853e4385241 Some more definitions and slight fixes
unc0rr
parents: 7037
diff changeset
  1247
            return . parens $ parens t <> e
6467
090269e528df - Improve parsing of prefix operators
unc0rr
parents: 6455
diff changeset
  1248
ref2C (RefExpression expr) = expr2C expr
6355
734fed7aefd3 Introduce initialization expressions
unc0rr
parents: 6317
diff changeset
  1249
6509
648caa66991b Convert into Reader monad
unc0rr
parents: 6499
diff changeset
  1250
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1251
op2C :: String -> String
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1252
op2C "or" = "|"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1253
op2C "and" = "&"
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1254
op2C "not" = "~"
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1255
op2C "xor" = "^"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1256
op2C "div" = "/"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1257
op2C "mod" = "%"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1258
op2C "shl" = "<<"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1259
op2C "shr" = ">>"
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1260
op2C "<>" = "!="
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1261
op2C "=" = "=="
7429
fcf13e40d6b6 Changes to pas2c - unreviewed apart from cursory glance and compile test.
xymeng
parents: 7335
diff changeset
  1262
op2C "/" = "/(float)"
6860
f4238c683ec7 Convert some operators
unc0rr
parents: 6859
diff changeset
  1263
op2C a = a
6273
13262c6e5027 Starting pas2C using library called 'pretty'
unc0rr
parents:
diff changeset
  1264