author | koda |
Tue, 01 May 2012 15:29:48 +0200 | |
changeset 6975 | 2587acdf0d23 |
parent 6967 | 1224c6fb36c3 |
child 6979 | cd28fe36170a |
permissions | -rw-r--r-- |
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{-# LANGUAGE ScopedTypeVariables #-} |
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module Pas2C where |
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import Text.PrettyPrint.HughesPJ |
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import Data.Maybe |
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import Data.Char |
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import Text.Parsec.Prim hiding (State) |
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import Control.Monad.State |
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import System.IO |
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import System.Directory |
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import Control.Monad.IO.Class |
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import PascalPreprocessor |
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import Control.Exception |
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import System.IO.Error |
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import qualified Data.Map as Map |
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import Data.List (find) |
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import Numeric |
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import PascalParser |
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import PascalUnitSyntaxTree |
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data InsertOption = |
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IOInsert |
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| IOLookup |
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| IODeferred |
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type Record = (String, (String, BaseType)) |
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data RenderState = RenderState |
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{ |
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currentScope :: [Record], |
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lastIdentifier :: String, |
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lastType :: BaseType, |
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stringConsts :: [(String, String)], |
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uniqCounter :: Int, |
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namespaces :: Map.Map String [Record] |
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} |
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emptyState = RenderState [] "" BTUnknown [] 0 |
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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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|
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addStringConst :: String -> State RenderState Doc |
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addStringConst str = do |
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strs <- gets stringConsts |
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let a = find ((==) str . snd) strs |
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if isJust a then |
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do |
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modify (\s -> s{lastType = BTString}) |
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return . text . fst . fromJust $ a |
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else |
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do |
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i <- getUniq |
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let sn = "__str" ++ show i |
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modify (\s -> s{lastType = BTString, stringConsts = (sn, str) : strs}) |
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return $ text sn |
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escapeStr :: String -> String |
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escapeStr = foldr escapeChar [] |
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escapeChar :: Char -> ShowS |
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escapeChar '"' s = "\\\"" ++ s |
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escapeChar a s = a : s |
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strInit :: String -> Doc |
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strInit a = text "STRINIT" <> parens (doubleQuotes (text $ escapeStr a)) |
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||
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renderStringConsts :: State RenderState Doc |
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renderStringConsts = liftM (vcat . map (\(a, b) -> text "const string255" <+> (text a) <+> text "=" <+> strInit b <> semi)) |
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$ gets stringConsts |
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docToLower :: Doc -> Doc |
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docToLower = text . map toLower . render |
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pas2C :: String -> IO () |
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pas2C fn = do |
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setCurrentDirectory "../hedgewars/" |
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s <- flip execStateT initState $ f fn |
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renderCFiles s |
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where |
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printLn = liftIO . hPutStrLn stderr |
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print = liftIO . hPutStr stderr |
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initState = Map.empty |
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f :: String -> StateT (Map.Map String PascalUnit) IO () |
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f fileName = do |
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processed <- gets $ Map.member fileName |
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unless processed $ do |
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print ("Preprocessing '" ++ fileName ++ ".pas'... ") |
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fc' <- liftIO |
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$ tryJust (guard . isDoesNotExistError) |
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$ preprocess (fileName ++ ".pas") |
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case fc' of |
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(Left a) -> do |
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modify (Map.insert fileName (System [])) |
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printLn "doesn't exist" |
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(Right fc) -> do |
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print "ok, parsing... " |
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let ptree = parse pascalUnit fileName fc |
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case ptree of |
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(Left a) -> do |
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liftIO $ writeFile "preprocess.out" fc |
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printLn $ show a ++ "\nsee preprocess.out for preprocessed source" |
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fail "stop" |
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(Right a) -> do |
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printLn "ok" |
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modify (Map.insert fileName a) |
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mapM_ f (usesFiles a) |
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6514 | 113 |
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renderCFiles :: Map.Map String PascalUnit -> IO () |
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renderCFiles units = do |
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let u = Map.toList units |
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let nss = Map.map (toNamespace nss) units |
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hPutStrLn stderr $ "Units: " ++ (show . Map.keys . Map.filter (not . null) $ nss) |
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--writeFile "pas2c.log" $ unlines . map (\t -> show (fst t) ++ "\n" ++ (unlines . map ((:) '\t' . show) . snd $ t)) . Map.toList $ nss |
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mapM_ (toCFiles nss) u |
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where |
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toNamespace :: Map.Map String [Record] -> PascalUnit -> [Record] |
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toNamespace nss (System tvs) = |
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currentScope $ execState (mapM_ (tvar2C True) tvs) (emptyState nss) |
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toNamespace _ (Program {}) = [] |
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toNamespace nss (Unit _ interface _ _ _) = |
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currentScope $ execState (interface2C interface) (emptyState nss) |
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128 |
|
6827 | 129 |
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withState' :: (RenderState -> RenderState) -> State RenderState a -> State RenderState a |
131 |
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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138 |
}) |
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return a |
6827 | 140 |
|
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141 |
withLastIdNamespace :: State RenderState Doc -> State RenderState Doc |
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withLastIdNamespace f = do |
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143 |
li <- gets lastIdentifier |
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144 |
nss <- gets namespaces |
6827 | 145 |
withState' (\st -> st{currentScope = fromMaybe [] $ Map.lookup li (namespaces st)}) f |
146 |
||
6859 | 147 |
withRecordNamespace :: String -> [(String, BaseType)] -> State RenderState Doc -> State RenderState Doc |
148 |
withRecordNamespace _ [] = error "withRecordNamespace: empty record" |
|
149 |
withRecordNamespace prefix recs = withState' f |
|
6827 | 150 |
where |
151 |
f st = st{currentScope = records ++ currentScope st} |
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6859 | 152 |
records = map (\(a, b) -> (map toLower a, (prefix ++ a, b))) recs |
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153 |
|
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toCFiles :: Map.Map String [Record] -> (String, PascalUnit) -> IO () |
6516 | 155 |
toCFiles _ (_, System _) = return () |
156 |
toCFiles ns p@(fn, pu) = do |
|
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157 |
hPutStrLn stderr $ "Rendering '" ++ fn ++ "'..." |
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158 |
toCFiles' p |
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|
159 |
where |
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toCFiles' (fn, p@(Program {})) = writeFile (fn ++ ".c") $ (render2C initialState . pascal2C) p |
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toCFiles' (fn, (Unit unitId interface implementation _ _)) = do |
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162 |
let (a, s) = runState (id2C IOInsert (setBaseType BTUnit unitId) >> interface2C interface) initialState |
6883 | 163 |
writeFile (fn ++ ".h") $ "#pragma once\n\n#include \"pas2c.h\"\n\n" ++ (render (a $+$ text "")) |
164 |
writeFile (fn ++ ".c") $ "#include \"" ++ fn ++ ".h\"\n" ++ (render2C s . implementation2C) implementation |
|
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165 |
initialState = emptyState ns |
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166 |
|
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render2C :: RenderState -> State RenderState Doc -> String |
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168 |
render2C a = render . ($+$ empty) . flip evalState a |
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169 |
|
6467 | 170 |
usesFiles :: PascalUnit -> [String] |
6512 | 171 |
usesFiles (Program _ (Implementation uses _) _) = "pas2cSystem" : uses2List uses |
172 |
usesFiles (Unit _ (Interface uses1 _) (Implementation uses2 _) _ _) = "pas2cSystem" : uses2List uses1 ++ uses2List uses2 |
|
173 |
usesFiles (System {}) = [] |
|
6425
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175 |
|
6512 | 176 |
pascal2C :: PascalUnit -> State RenderState Doc |
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177 |
pascal2C (Unit _ interface implementation init fin) = |
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178 |
liftM2 ($+$) (interface2C interface) (implementation2C implementation) |
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179 |
|
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180 |
pascal2C (Program _ implementation mainFunction) = do |
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181 |
impl <- implementation2C implementation |
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182 |
[main] <- tvar2C True |
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183 |
(FunctionDeclaration (Identifier "main" BTInt) (SimpleType $ Identifier "int" BTInt) [] (Just (TypesAndVars [], mainFunction))) |
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184 |
return $ impl $+$ main |
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|
185 |
|
6467 | 186 |
|
187 |
||
6512 | 188 |
interface2C :: Interface -> State RenderState Doc |
6965 | 189 |
interface2C (Interface uses tvars) = do |
190 |
u <- uses2C uses |
|
191 |
tv <- typesAndVars2C True tvars |
|
192 |
r <- renderStringConsts |
|
193 |
return (u $+$ r $+$ tv) |
|
194 |
||
6512 | 195 |
implementation2C :: Implementation -> State RenderState Doc |
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|
196 |
implementation2C (Implementation uses tvars) = do |
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|
197 |
u <- uses2C uses |
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|
198 |
tv <- typesAndVars2C True tvars |
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|
199 |
r <- renderStringConsts |
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|
200 |
return (u $+$ r $+$ tv) |
6273 | 201 |
|
202 |
||
6512 | 203 |
typesAndVars2C :: Bool -> TypesAndVars -> State RenderState Doc |
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204 |
typesAndVars2C b (TypesAndVars ts) = liftM (vcat . map (<> semi) . concat) $ mapM (tvar2C b) ts |
6273 | 205 |
|
6816 | 206 |
setBaseType :: BaseType -> Identifier -> Identifier |
207 |
setBaseType bt (Identifier i _) = Identifier i bt |
|
208 |
||
6512 | 209 |
uses2C :: Uses -> State RenderState Doc |
6516 | 210 |
uses2C uses@(Uses unitIds) = do |
211 |
mapM_ injectNamespace (Identifier "pas2cSystem" undefined : unitIds) |
|
6816 | 212 |
mapM_ (id2C IOInsert . setBaseType BTUnit) unitIds |
6516 | 213 |
return $ vcat . map (\i -> text $ "#include \"" ++ i ++ ".h\"") $ uses2List uses |
214 |
where |
|
6517 | 215 |
injectNamespace (Identifier i _) = do |
6516 | 216 |
getNS <- gets (flip Map.lookup . namespaces) |
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|
217 |
let f = flip (foldl (flip (:))) (fromMaybe [] (getNS i)) |
6516 | 218 |
modify (\s -> s{currentScope = f $ currentScope s}) |
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|
219 |
|
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|
220 |
uses2List :: Uses -> [String] |
6489 | 221 |
uses2List (Uses ids) = map (\(Identifier i _) -> i) ids |
6273 | 222 |
|
6509 | 223 |
|
6663 | 224 |
id2C :: InsertOption -> Identifier -> State RenderState Doc |
225 |
id2C IOInsert (Identifier i t) = do |
|
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|
226 |
ns <- gets currentScope |
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|
227 |
{-- case t of |
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|
228 |
BTUnknown -> do |
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|
229 |
ns <- gets currentScope |
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|
230 |
error $ "id2C IOInsert: type BTUnknown for " ++ show i ++ "\nnamespace: " ++ show (take 100 ns) |
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|
231 |
_ -> do --} |
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|
232 |
modify (\s -> s{currentScope = (n, (i, t)) : currentScope s, lastIdentifier = n}) |
6512 | 233 |
return $ text i |
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|
234 |
where |
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|
235 |
n = map toLower i |
6663 | 236 |
id2C IOLookup (Identifier i t) = do |
6512 | 237 |
let i' = map toLower i |
6516 | 238 |
v <- gets $ find (\(a, _) -> a == i') . currentScope |
6635
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|
239 |
ns <- gets currentScope |
6853 | 240 |
lt <- gets lastType |
6512 | 241 |
if isNothing v then |
6853 | 242 |
error $ "Not defined: '" ++ i' ++ "'\n" ++ show lt ++ "\n" ++ show (take 100 ns) |
6512 | 243 |
else |
6817
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|
244 |
let vv = snd $ fromJust v in modify (\s -> s{lastType = snd vv, lastIdentifier = fst vv}) >> (return . text . fst $ vv) |
6663 | 245 |
id2C IODeferred (Identifier i t) = do |
246 |
let i' = map toLower i |
|
247 |
v <- gets $ find (\(a, _) -> a == i') . currentScope |
|
248 |
if (isNothing v) then |
|
249 |
return $ text i |
|
250 |
else |
|
251 |
return . text . fst . snd . fromJust $ v |
|
6512 | 252 |
|
6653 | 253 |
id2CTyped :: TypeDecl -> Identifier -> State RenderState Doc |
254 |
id2CTyped t (Identifier i _) = do |
|
255 |
tb <- resolveType t |
|
6835 | 256 |
ns <- gets currentScope |
6663 | 257 |
case tb of |
258 |
BTUnknown -> do |
|
259 |
ns <- gets currentScope |
|
6835 | 260 |
error $ "id2CTyped: type BTUnknown for " ++ show i ++ "\ntype: " ++ show t ++ "\nnamespace: " ++ show (take 100 ns) |
6843
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|
261 |
_ -> return () |
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|
262 |
id2C IOInsert (Identifier i tb) |
6626
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changeset
|
263 |
|
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changeset
|
264 |
|
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|
265 |
resolveType :: TypeDecl -> State RenderState BaseType |
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|
266 |
resolveType st@(SimpleType (Identifier i _)) = do |
a447993f2ad7
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|
267 |
let i' = map toLower i |
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Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
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changeset
|
268 |
v <- gets $ find (\(a, _) -> a == i') . currentScope |
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|
269 |
if isJust v then return . snd . snd $ fromJust v else return $ f i' |
a447993f2ad7
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|
270 |
where |
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|
271 |
f "integer" = BTInt |
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|
272 |
f "pointer" = BTPointerTo BTVoid |
6635
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|
273 |
f "boolean" = BTBool |
6649
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Fix a bug with type declaration trying to resolve type being declared
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|
274 |
f "float" = BTFloat |
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|
275 |
f "char" = BTChar |
7f78e8a6db69
Fix a bug with type declaration trying to resolve type being declared
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changeset
|
276 |
f "string" = BTString |
6635
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Some progress, still can't find the source of bad behavior
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changeset
|
277 |
f _ = error $ "Unknown system type: " ++ show st |
6827 | 278 |
resolveType (PointerTo (SimpleType (Identifier i _))) = return . BTPointerTo $ BTUnresolved (map toLower i) |
279 |
resolveType (PointerTo t) = liftM BTPointerTo $ resolveType t |
|
6626
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Further work on propagating types. Now it hopefully works fully, just need to annotate namespace with types first.
unc0rr
parents:
6618
diff
changeset
|
280 |
resolveType (RecordType tv mtvs) = do |
6827 | 281 |
tvs <- mapM f (concat $ tv : fromMaybe [] mtvs) |
282 |
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
|
283 |
where |
6827 | 284 |
f :: TypeVarDeclaration -> State RenderState [(String, BaseType)] |
285 |
f (VarDeclaration _ (ids, td) _) = mapM (\(Identifier i _) -> liftM ((,) i) $ resolveType td) ids |
|
6893 | 286 |
resolveType (ArrayDecl (Just i) t) = do |
287 |
t' <- resolveType t |
|
288 |
return $ BTArray i BTInt t' |
|
289 |
resolveType (ArrayDecl Nothing t) = liftM (BTArray RangeInfinite BTInt) $ resolveType t |
|
6826 | 290 |
resolveType (FunctionType t _) = liftM BTFunction $ resolveType t |
6835 | 291 |
resolveType (DeriveType (InitHexNumber _)) = return BTInt |
292 |
resolveType (DeriveType (InitNumber _)) = return BTInt |
|
293 |
resolveType (DeriveType (InitFloat _)) = return BTFloat |
|
294 |
resolveType (DeriveType (InitString _)) = return BTString |
|
295 |
resolveType (DeriveType (InitBinOp {})) = return BTInt |
|
296 |
resolveType (DeriveType (InitPrefixOp {})) = return BTInt |
|
297 |
resolveType (DeriveType (BuiltInFunction{})) = return BTInt |
|
298 |
resolveType (DeriveType (InitReference (Identifier{}))) = return BTBool -- TODO: derive from actual type |
|
299 |
resolveType (DeriveType _) = return BTUnknown |
|
6635
c2fa29fe2a58
Some progress, still can't find the source of bad behavior
unc0rr
parents:
6626
diff
changeset
|
300 |
resolveType (String _) = return BTString |
6826 | 301 |
resolveType VoidType = return BTVoid |
6653 | 302 |
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
|
303 |
resolveType (RangeType _) = return $ BTVoid |
6653 | 304 |
resolveType (Set t) = liftM BTSet $ resolveType t |
6843
59da15acb2f2
Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents:
6838
diff
changeset
|
305 |
|
6834 | 306 |
|
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
|
307 |
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
|
308 |
resolve s (BTUnresolved t) = do |
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
|
309 |
v <- gets $ find (\(a, _) -> a == t) . currentScope |
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
|
310 |
if isJust v then |
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
|
311 |
resolve s . snd . snd . fromJust $ v |
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
|
312 |
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
|
313 |
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
|
314 |
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
|
315 |
|
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
|
316 |
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
|
317 |
fromPointer s (BTPointerTo t) = resolve s 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
|
318 |
fromPointer s (BTFunctionReturn _ (BTPointerTo t)) = resolve s t |
6855
807156c01475
Finish the toughest part of the converter. Now it knows types of everything, so could correctly recognize bitwise operators and type convertions.
unc0rr
parents:
6854
diff
changeset
|
319 |
fromPointer s t = do |
6843
59da15acb2f2
Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents:
6838
diff
changeset
|
320 |
ns <- gets currentScope |
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
|
321 |
error $ "Dereferencing from non-pointer type " ++ show t ++ "\n" ++ s ++ "\n\n" ++ show (take 100 ns) |
6834 | 322 |
|
6878
0af34406b83d
Improve rendering of function types, arrays, and more
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parents:
6875
diff
changeset
|
323 |
|
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
324 |
functionParams2C params = liftM (hcat . punctuate comma . concat) $ mapM (tvar2C False) params |
6834 | 325 |
|
6880 | 326 |
fun2C :: Bool -> String -> TypeVarDeclaration -> State RenderState [Doc] |
327 |
fun2C _ _ (FunctionDeclaration name returnType params Nothing) = do |
|
6499
33180b479efa
Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents:
6489
diff
changeset
|
328 |
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
|
329 |
t'<- gets lastType |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
330 |
p <- withState' id $ functionParams2C params |
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
|
331 |
n <- id2C IOInsert $ setBaseType (BTFunction t') name |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
332 |
return [t empty <+> n <> parens p] |
6517 | 333 |
|
6880 | 334 |
fun2C True rv (FunctionDeclaration name returnType params (Just (tvars, phrase))) = do |
335 |
let res = docToLower $ text rv <> text "_result" |
|
6836 | 336 |
t <- type2C returnType |
6837
a137733c5776
Much better types handling, work correctly with functions
unc0rr
parents:
6836
diff
changeset
|
337 |
t'<- gets lastType |
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
|
338 |
n <- id2C IOInsert $ setBaseType (BTFunction t') name |
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
|
339 |
(p, ph) <- withState' (\st -> st{currentScope = (map toLower rv, (render res, BTFunctionReturn (render n) t')) : currentScope st}) $ do |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
340 |
p <- functionParams2C params |
6827 | 341 |
ph <- liftM2 ($+$) (typesAndVars2C False tvars) (phrase2C' phrase) |
342 |
return (p, ph) |
|
6836 | 343 |
let phrasesBlock = case returnType of |
344 |
VoidType -> ph |
|
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
345 |
_ -> t empty <+> res <> semi $+$ ph $+$ text "return" <+> res <> semi |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
346 |
return [ |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
347 |
t empty <+> n <> parens p |
6425
1ef4192aa80d
- Parse unions, sets, function type, packed arrays and some more imporvements to the parser. Now it parses uVariable, uConsts and even SDLh.pas
unc0rr
parents:
6417
diff
changeset
|
348 |
$+$ |
6499
33180b479efa
Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents:
6489
diff
changeset
|
349 |
text "{" |
33180b479efa
Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents:
6489
diff
changeset
|
350 |
$+$ |
6836 | 351 |
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
|
352 |
$+$ |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
353 |
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
|
354 |
where |
6499
33180b479efa
Start converting into monadic code using Reader monad (will be used to store information about namespace)
unc0rr
parents:
6489
diff
changeset
|
355 |
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
|
356 |
phrase2C' p = phrase2C p |
6517 | 357 |
|
6880 | 358 |
fun2C False _ (FunctionDeclaration (Identifier name _) _ _ _) = error $ "nested functions not allowed: " ++ name |
359 |
fun2C _ tv _ = error $ "fun2C: I don't render " ++ show tv |
|
6618 | 360 |
|
6880 | 361 |
tvar2C :: Bool -> TypeVarDeclaration -> State RenderState [Doc] |
362 |
tvar2C b f@(FunctionDeclaration (Identifier name _) _ _ _) = |
|
363 |
fun2C b name f |
|
6618 | 364 |
tvar2C _ td@(TypeDeclaration i' t) = do |
6653 | 365 |
i <- id2CTyped t i' |
6891
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
366 |
tp <- case t of |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
367 |
FunctionType {} -> type2C (PointerTo t) |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
368 |
_ -> type2C t |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
369 |
return [text "typedef" <+> tp i] |
6517 | 370 |
|
6509 | 371 |
tvar2C _ (VarDeclaration isConst (ids, t) mInitExpr) = do |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
372 |
t' <- liftM (((if isConst then text "const" else empty) <+>) . ) $ type2C t |
6509 | 373 |
ie <- initExpr mInitExpr |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
374 |
liftM (map(\i -> t' i <+> ie)) $ mapM (id2CTyped t) ids |
6355 | 375 |
where |
6509 | 376 |
initExpr Nothing = return $ empty |
377 |
initExpr (Just e) = liftM (text "=" <+>) (initExpr2C e) |
|
6517 | 378 |
|
6880 | 379 |
tvar2C f (OperatorDeclaration op (Identifier i _) ret params body) = do |
380 |
r <- op2CTyped op (extractTypes params) |
|
381 |
fun2C f i (FunctionDeclaration r ret params body) |
|
6355 | 382 |
|
6517 | 383 |
|
6880 | 384 |
op2CTyped :: String -> [TypeDecl] -> State RenderState Identifier |
385 |
op2CTyped op t = do |
|
386 |
t' <- liftM (render . hcat . punctuate (char '_') . map (\t -> t empty)) $ mapM type2C t |
|
387 |
bt <- gets lastType |
|
388 |
return $ case bt of |
|
389 |
BTRecord {} -> Identifier (t' ++ "_op_" ++ opStr) bt |
|
390 |
_ -> Identifier t' bt |
|
391 |
where |
|
392 |
opStr = case op of |
|
393 |
"+" -> "add" |
|
394 |
"-" -> "sub" |
|
395 |
"*" -> "mul" |
|
396 |
"/" -> "div" |
|
397 |
"=" -> "eq" |
|
398 |
"<" -> "lt" |
|
399 |
">" -> "gt" |
|
400 |
_ -> error $ "op2CTyped: unknown op '" ++ op ++ "'" |
|
401 |
||
402 |
extractTypes :: [TypeVarDeclaration] -> [TypeDecl] |
|
403 |
extractTypes = concatMap f |
|
404 |
where |
|
405 |
f (VarDeclaration _ (ids, t) _) = replicate (length ids) t |
|
406 |
f a = error $ "extractTypes: can't extract from " ++ show a |
|
407 |
||
6512 | 408 |
initExpr2C :: InitExpression -> State RenderState Doc |
6858 | 409 |
initExpr2C InitNull = return $ text "NULL" |
410 |
initExpr2C (InitAddress expr) = liftM ((<>) (text "&")) (initExpr2C expr) |
|
6860 | 411 |
initExpr2C (InitPrefixOp op expr) = liftM (text (op2C op) <>) (initExpr2C expr) |
6509 | 412 |
initExpr2C (InitBinOp op expr1 expr2) = do |
413 |
e1 <- initExpr2C expr1 |
|
414 |
e2 <- initExpr2C expr2 |
|
6860 | 415 |
return $ parens $ e1 <+> text (op2C op) <+> e2 |
6509 | 416 |
initExpr2C (InitNumber s) = return $ text s |
417 |
initExpr2C (InitFloat s) = return $ text s |
|
418 |
initExpr2C (InitHexNumber s) = return $ text "0x" <> (text . map toLower $ s) |
|
6874 | 419 |
initExpr2C (InitString [a]) = return . quotes $ text [a] |
6965 | 420 |
initExpr2C (InitString s) = return $ strInit s |
6858 | 421 |
initExpr2C (InitChar a) = return $ quotes $ text "\\x" <> text (showHex (read a) "") |
6663 | 422 |
initExpr2C (InitReference i) = id2C IOLookup i |
6858 | 423 |
initExpr2C (InitRecord fields) = do |
424 |
(fs :: [Doc]) <- mapM (\(Identifier a _, b) -> liftM (text "." <> text a <+> equals <+>) $ initExpr2C b) fields |
|
6886 | 425 |
return $ lbrace $+$ (nest 4 . vcat . punctuate comma $ fs) $+$ rbrace |
6859 | 426 |
initExpr2C (InitArray [value]) = initExpr2C value |
6858 | 427 |
initExpr2C (InitArray values) = liftM (braces . vcat . punctuate comma) $ mapM initExpr2C values |
6891
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
428 |
initExpr2C r@(InitRange (Range i@(Identifier i' _))) = do |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
429 |
id2C IOLookup i |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
430 |
t <- gets lastType |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
431 |
case t of |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
432 |
BTEnum s -> return . int $ length s |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
433 |
BTInt -> case i' of |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
434 |
"byte" -> return $ int 256 |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
435 |
_ -> error $ "InitRange identifier: " ++ i' |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
436 |
_ -> error $ "InitRange: " ++ show r |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
437 |
initExpr2C (InitRange (RangeFromTo (InitNumber "0") r)) = initExpr2C $ BuiltInFunction "succ" [r] |
6893 | 438 |
initExpr2C (InitRange (RangeFromTo (InitChar "0") (InitChar r))) = initExpr2C $ BuiltInFunction "succ" [InitNumber r] |
6891
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
439 |
initExpr2C (InitRange a) = error $ show a --return $ text "<<range>>" |
6872 | 440 |
initExpr2C (InitSet []) = return $ text "0" |
441 |
initExpr2C (InitSet a) = return $ text "<<set>>" |
|
6887 | 442 |
initExpr2C (BuiltInFunction "low" [InitReference e]) = return $ |
443 |
case e of |
|
444 |
(Identifier "LongInt" _) -> int (-2^31) |
|
6893 | 445 |
(Identifier "SmallInt" _) -> int (-2^15) |
446 |
_ -> error $ "BuiltInFunction 'low': " ++ show e |
|
447 |
initExpr2C (BuiltInFunction "high" [e]) = do |
|
448 |
initExpr2C e |
|
449 |
t <- gets lastType |
|
450 |
case t of |
|
451 |
(BTArray i _ _) -> initExpr2C $ BuiltInFunction "pred" [InitRange i] |
|
452 |
a -> error $ "BuiltInFunction 'high': " ++ show a |
|
453 |
initExpr2C (BuiltInFunction "succ" [BuiltInFunction "pred" [e]]) = initExpr2C e |
|
454 |
initExpr2C (BuiltInFunction "pred" [BuiltInFunction "succ" [e]]) = initExpr2C e |
|
6891
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
455 |
initExpr2C (BuiltInFunction "succ" [e]) = liftM (<> text " + 1") $ initExpr2C e |
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
456 |
initExpr2C (BuiltInFunction "pred" [e]) = liftM (<> text " - 1") $ initExpr2C e |
6887 | 457 |
initExpr2C b@(BuiltInFunction _ _) = error $ show b |
6874 | 458 |
initExpr2C a = error $ "initExpr2C: don't know how to render " ++ show a |
6391 | 459 |
|
6887 | 460 |
|
6874 | 461 |
range2C :: InitExpression -> State RenderState [Doc] |
462 |
range2C (InitString [a]) = return [quotes $ text [a]] |
|
463 |
range2C (InitRange (Range i)) = liftM (flip (:) []) $ id2C IOLookup i |
|
464 |
range2C (InitRange (RangeFromTo (InitString [a]) (InitString [b]))) = return $ map (\i -> quotes $ text [i]) [a..b] |
|
465 |
||
466 |
range2C a = liftM (flip (:) []) $ initExpr2C a |
|
6391 | 467 |
|
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
468 |
type2C :: TypeDecl -> State RenderState (Doc -> Doc) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
469 |
type2C (SimpleType i) = liftM (\i a -> i <+> a) $ id2C IOLookup i |
6838 | 470 |
type2C t = do |
471 |
r <- type2C' t |
|
472 |
rt <- resolveType t |
|
473 |
modify (\st -> st{lastType = rt}) |
|
474 |
return r |
|
475 |
where |
|
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
476 |
type2C' VoidType = return (text "void" <+>) |
6923 | 477 |
type2C' (String l) = return (text "string255" <+>)--return (text ("string" ++ show l) <+>) |
6895 | 478 |
type2C' (PointerTo (SimpleType i)) = liftM (\i a -> text "struct __" <> i <+> text "*" <+> a) $ id2C IODeferred i |
6891
ab9843957664
Improve rendering of function types, ranges, and more
unc0rr
parents:
6887
diff
changeset
|
479 |
type2C' (PointerTo t) = liftM (\t a -> t (parens $ text "*" <> a)) $ type2C t |
6838 | 480 |
type2C' (RecordType tvs union) = do |
6843
59da15acb2f2
Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents:
6838
diff
changeset
|
481 |
t <- withState' id $ mapM (tvar2C False) tvs |
6886 | 482 |
u <- unions |
6895 | 483 |
return $ \i -> text "struct __" <> i <+> lbrace $+$ nest 4 ((vcat . map (<> semi) . concat $ t) $$ u) $+$ rbrace <+> i |
6886 | 484 |
where |
485 |
unions = case union of |
|
486 |
Nothing -> return empty |
|
487 |
Just a -> do |
|
488 |
structs <- mapM struct2C a |
|
489 |
return $ text "union" $+$ braces (nest 4 $ vcat structs) <> semi |
|
490 |
struct2C tvs = do |
|
491 |
t <- withState' id $ mapM (tvar2C False) tvs |
|
492 |
return $ text "struct" $+$ braces (nest 4 (vcat . map (<> semi) . concat $ t)) <> semi |
|
6894 | 493 |
type2C' (RangeType r) = return (text "int" <+>) |
6838 | 494 |
type2C' (Sequence ids) = do |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
495 |
is <- mapM (id2C IOInsert . setBaseType bt) ids |
6887 | 496 |
return (text "enum" <+> (braces . vcat . punctuate comma . map (\(a, b) -> a <+> equals <+> text "0x" <> text (showHex b "")) $ zip is [1..]) <+>) |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
497 |
where |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
498 |
bt = BTEnum $ map (\(Identifier i _) -> map toLower i) ids |
6894 | 499 |
type2C' (ArrayDecl Nothing t) = type2C (PointerTo t) |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
500 |
type2C' (ArrayDecl (Just r) t) = do |
6858 | 501 |
t' <- type2C t |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
502 |
r' <- initExpr2C (InitRange r) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
503 |
return $ \i -> t' i <> brackets r' |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
504 |
type2C' (Set t) = return (text "<<set>>" <+>) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
505 |
type2C' (FunctionType returnType params) = do |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
506 |
t <- type2C returnType |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
507 |
p <- withState' id $ functionParams2C params |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
508 |
return (\i -> t empty <+> i <> parens p) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
509 |
type2C' (DeriveType (InitBinOp {})) = return (text "int" <+>) |
6858 | 510 |
type2C' (DeriveType (InitPrefixOp _ i)) = type2C' (DeriveType i) |
6878
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
511 |
type2C' (DeriveType (InitNumber _)) = return (text "int" <+>) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
512 |
type2C' (DeriveType (InitHexNumber _)) = return (text "int" <+>) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
513 |
type2C' (DeriveType (InitFloat _)) = return (text "float" <+>) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
514 |
type2C' (DeriveType (BuiltInFunction {})) = return (text "int" <+>) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
515 |
type2C' (DeriveType (InitString {})) = return (text "string255" <+>) |
0af34406b83d
Improve rendering of function types, arrays, and more
unc0rr
parents:
6875
diff
changeset
|
516 |
type2C' (DeriveType (InitReference {})) = return (text "<<some type>>" <+>) |
6858 | 517 |
type2C' (DeriveType a) = error $ "Can't derive type from " ++ show a |
6273 | 518 |
|
6512 | 519 |
phrase2C :: Phrase -> State RenderState Doc |
6509 | 520 |
phrase2C (Phrases p) = do |
521 |
ps <- mapM phrase2C p |
|
522 |
return $ text "{" $+$ (nest 4 . vcat $ ps) $+$ text "}" |
|
523 |
phrase2C (ProcCall f@(FunCall {}) []) = liftM (<> semi) $ ref2C f |
|
6923 | 524 |
phrase2C (ProcCall ref []) = liftM (<> semi) $ ref2CF ref |
525 |
phrase2C (ProcCall ref params) = error $ "ProcCall"{-do |
|
6509 | 526 |
r <- ref2C ref |
527 |
ps <- mapM expr2C params |
|
6923 | 528 |
return $ r <> parens (hsep . punctuate (char ',') $ ps) <> semi -} |
6509 | 529 |
phrase2C (IfThenElse (expr) phrase1 mphrase2) = do |
530 |
e <- expr2C expr |
|
531 |
p1 <- (phrase2C . wrapPhrase) phrase1 |
|
532 |
el <- elsePart |
|
533 |
return $ |
|
534 |
text "if" <> parens e $+$ p1 $+$ el |
|
6273 | 535 |
where |
6509 | 536 |
elsePart | isNothing mphrase2 = return $ empty |
537 |
| otherwise = liftM (text "else" $$) $ (phrase2C . wrapPhrase) (fromJust mphrase2) |
|
538 |
phrase2C (Assignment ref expr) = do |
|
6923 | 539 |
r <- ref2C ref |
540 |
t <- gets lastType |
|
541 |
e <- case (t, expr) of |
|
542 |
(BTFunction _, (Reference r')) -> ref2C r' |
|
543 |
_ -> expr2C expr |
|
544 |
return $ r <+> text "=" <+> e <> semi |
|
6509 | 545 |
phrase2C (WhileCycle expr phrase) = do |
546 |
e <- expr2C expr |
|
547 |
p <- phrase2C $ wrapPhrase phrase |
|
548 |
return $ text "while" <> parens e $$ p |
|
549 |
phrase2C (SwitchCase expr cases mphrase) = do |
|
550 |
e <- expr2C expr |
|
551 |
cs <- mapM case2C cases |
|
6874 | 552 |
d <- dflt |
6509 | 553 |
return $ |
6895 | 554 |
text "switch" <> parens e $+$ braces (nest 4 . vcat $ cs ++ d) |
6273 | 555 |
where |
6512 | 556 |
case2C :: ([InitExpression], Phrase) -> State RenderState Doc |
6509 | 557 |
case2C (e, p) = do |
6874 | 558 |
ies <- mapM range2C e |
6509 | 559 |
ph <- phrase2C p |
560 |
return $ |
|
6874 | 561 |
vcat (map (\i -> text "case" <+> i <> colon) . concat $ ies) <> nest 4 (ph $+$ text "break;") |
562 |
dflt | isNothing mphrase = return [] |
|
563 |
| otherwise = do |
|
564 |
ph <- mapM phrase2C $ fromJust mphrase |
|
565 |
return [text "default:" <+> nest 4 (vcat ph)] |
|
566 |
||
6845 | 567 |
phrase2C wb@(WithBlock ref p) = do |
6509 | 568 |
r <- ref2C ref |
6845 | 569 |
t <- gets lastType |
570 |
case t of |
|
6859 | 571 |
(BTRecord rs) -> withRecordNamespace (render r ++ ".") rs $ phrase2C $ wrapPhrase p |
6845 | 572 |
a -> do |
573 |
ns <- gets currentScope |
|
574 |
error $ "'with' block referencing non-record type " ++ show a ++ "\n" ++ show wb ++ "\nnamespace: " ++ show (take 100 ns) |
|
6509 | 575 |
phrase2C (ForCycle i' e1' e2' p) = do |
6663 | 576 |
i <- id2C IOLookup i' |
6509 | 577 |
e1 <- expr2C e1' |
578 |
e2 <- expr2C e2' |
|
579 |
ph <- phrase2C (wrapPhrase p) |
|
580 |
return $ |
|
581 |
text "for" <> (parens . hsep . punctuate (char ';') $ [i <+> text "=" <+> e1, i <+> text "<=" <+> e2, text "++" <> i]) |
|
582 |
$$ |
|
583 |
ph |
|
584 |
phrase2C (RepeatCycle e' p') = do |
|
585 |
e <- expr2C e' |
|
586 |
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
|
587 |
return $ text "do" <+> p <+> text "while" <> parens (text "!" <> parens e) <> semi |
6509 | 588 |
phrase2C NOP = return $ text ";" |
6355 | 589 |
|
6895 | 590 |
phrase2C (BuiltInFunctionCall [] (SimpleReference (Identifier "exit" BTUnknown))) = return $ text "return" <> semi |
591 |
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "exit" BTUnknown))) = liftM (\e -> text "return" <> e <> semi) $ expr2C e |
|
592 |
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "dec" BTUnknown))) = liftM (\e -> text "--" <> e <> semi) $ expr2C e |
|
593 |
phrase2C (BuiltInFunctionCall [e1, e2] (SimpleReference (Identifier "dec" BTUnknown))) = liftM2 (\a b -> a <> text " -= " <> b <> semi) (expr2C e1) (expr2C e2) |
|
594 |
phrase2C (BuiltInFunctionCall [e] (SimpleReference (Identifier "inc" BTUnknown))) = liftM (\e -> text "++" <> e <> semi) $ expr2C e |
|
595 |
phrase2C (BuiltInFunctionCall [e1, e2] (SimpleReference (Identifier "inc" BTUnknown))) = liftM2 (\a b -> a <+> text "+=" <+> b <> semi) (expr2C e1) (expr2C e2) |
|
596 |
phrase2C a = error $ "phrase2C: " ++ show a |
|
6273 | 597 |
|
6307 | 598 |
wrapPhrase p@(Phrases _) = p |
599 |
wrapPhrase p = Phrases [p] |
|
6273 | 600 |
|
6512 | 601 |
expr2C :: Expression -> State RenderState Doc |
6509 | 602 |
expr2C (Expression s) = return $ text s |
603 |
expr2C (BinOp op expr1 expr2) = do |
|
604 |
e1 <- expr2C expr1 |
|
6860 | 605 |
t1 <- gets lastType |
6509 | 606 |
e2 <- expr2C expr2 |
6902
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
607 |
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
|
608 |
case (op2C op, t1, t2) 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
|
609 |
("+", BTString, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strconcat" (BTFunction BTString)) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
610 |
("+", BTString, BTChar) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strappend" (BTFunction BTString)) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
611 |
("+", BTChar, BTString) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strprepend" (BTFunction BTString)) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
612 |
("==", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strcompare" (BTFunction BTBool)) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
613 |
("!=", BTString, _) -> expr2C $ BuiltInFunCall [expr1, expr2] (SimpleReference $ Identifier "_strncompare" (BTFunction BTBool)) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
614 |
("&", BTBool, _) -> return $ parens e1 <+> text "&&" <+> parens e2 |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
615 |
("|", BTBool, _) -> return $ parens e1 <+> text "||" <+> parens e2 |
6923 | 616 |
(o, _, _) | o `elem` boolOps -> do |
617 |
modify(\s -> s{lastType = BTBool}) |
|
618 |
return $ parens e1 <+> text o <+> parens e2 |
|
619 |
| otherwise -> return $ parens e1 <+> text o <+> parens e2 |
|
620 |
where |
|
621 |
boolOps = ["==", "!=", "<", ">", "<=", ">="] |
|
6509 | 622 |
expr2C (NumberLiteral s) = return $ text s |
623 |
expr2C (FloatLiteral s) = return $ text s |
|
624 |
expr2C (HexNumber s) = return $ text "0x" <> (text . map toLower $ s) |
|
6902
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
625 |
expr2C (StringLiteral [a]) = do |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
626 |
modify(\s -> s{lastType = BTChar}) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
627 |
return . quotes $ text [a] |
6896
23b38e530967
Move all strings into constants to make them of string255 type
unc0rr
parents:
6895
diff
changeset
|
628 |
expr2C (StringLiteral s) = addStringConst s |
6902
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
629 |
expr2C (Reference ref) = ref2CF ref |
6860 | 630 |
expr2C (PrefixOp op expr) = liftM (text (op2C op) <>) (expr2C expr) |
6509 | 631 |
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
|
632 |
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
|
633 |
modify(\s -> s{lastType = BTChar}) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
634 |
return $ quotes $ text "\\x" <> text (showHex (read a) "") |
6895 | 635 |
expr2C (HexCharCode a) = return $ quotes $ text "\\x" <> text (map toLower a) |
636 |
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
|
637 |
|
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
638 |
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "ord" _))) = liftM parens $ expr2C e |
6895 | 639 |
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "succ" _))) = liftM (<> text " + 1") $ expr2C e |
6902
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
640 |
expr2C (BuiltInFunCall [e] (SimpleReference (Identifier "pred" _))) = liftM (<> text " - 1") $ expr2C e |
6509 | 641 |
expr2C (BuiltInFunCall params ref) = do |
642 |
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
|
643 |
t <- gets lastType |
6509 | 644 |
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
|
645 |
case t 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
|
646 |
BTFunction t' -> 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
|
647 |
modify (\s -> s{lastType = t'}) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
648 |
_ -> error $ "BuiltInFunCall lastType: " ++ show t |
6509 | 649 |
return $ |
650 |
r <> parens (hsep . punctuate (char ',') $ ps) |
|
6858 | 651 |
expr2C a = error $ "Don't know how to render " ++ show a |
6273 | 652 |
|
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
|
653 |
ref2CF :: Reference -> State RenderState Doc |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
654 |
ref2CF (SimpleReference name) = do |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
655 |
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
|
656 |
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
|
657 |
case t 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
|
658 |
BTFunction _ -> return $ i <> parens empty |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
659 |
_ -> return $ i |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
660 |
ref2CF r = ref2C r |
6307 | 661 |
|
6512 | 662 |
ref2C :: Reference -> State RenderState Doc |
6854
873929cbd54b
Normalize RecordFields before conversion. Helps with namespaces problem.
unc0rr
parents:
6853
diff
changeset
|
663 |
-- rewrite into proper form |
6858 | 664 |
ref2C (RecordField ref1 (ArrayElement exprs ref2)) = ref2C $ ArrayElement exprs (RecordField ref1 ref2) |
665 |
ref2C (RecordField ref1 (Dereference ref2)) = ref2C $ Dereference (RecordField ref1 ref2) |
|
666 |
ref2C (RecordField ref1 (RecordField ref2 ref3)) = ref2C $ RecordField (RecordField ref1 ref2) ref3 |
|
667 |
ref2C (RecordField ref1 (FunCall params ref2)) = ref2C $ FunCall params (RecordField ref1 ref2) |
|
668 |
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
|
669 |
-- conversion routines |
6895 | 670 |
ref2C ae@(ArrayElement [expr] ref) = do |
671 |
e <- expr2C expr |
|
6509 | 672 |
r <- ref2C ref |
6827 | 673 |
t <- gets lastType |
6838 | 674 |
ns <- gets currentScope |
6827 | 675 |
case t of |
6893 | 676 |
(BTArray _ _ t') -> modify (\st -> st{lastType = t'}) |
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
|
677 |
(BTFunctionReturn _ (BTArray _ _ t')) -> modify (\st -> st{lastType = 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
|
678 |
(BTFunctionReturn _ (BTString)) -> modify (\st -> st{lastType = BTChar}) |
6836 | 679 |
(BTString) -> modify (\st -> st{lastType = BTChar}) |
6872 | 680 |
(BTPointerTo t) -> do |
681 |
t'' <- fromPointer (show t) =<< gets lastType |
|
682 |
case t'' of |
|
683 |
BTChar -> modify (\st -> st{lastType = BTChar}) |
|
684 |
a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae ++ "\n" ++ show (take 100 ns) |
|
6838 | 685 |
a -> error $ "Getting element of " ++ show a ++ "\nReference: " ++ show ae ++ "\n" ++ show (take 100 ns) |
6895 | 686 |
case t of |
687 |
BTString -> return $ r <> text ".s" <> brackets e |
|
688 |
_ -> return $ r <> brackets e |
|
6663 | 689 |
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
|
690 |
ref2C rf@(RecordField (Dereference ref1) ref2) = do |
6509 | 691 |
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
|
692 |
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
|
693 |
ns <- gets currentScope |
59da15acb2f2
Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents:
6838
diff
changeset
|
694 |
r2 <- case t of |
6859 | 695 |
BTRecord rs -> withRecordNamespace "" rs $ ref2C ref2 |
6843
59da15acb2f2
Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents:
6838
diff
changeset
|
696 |
BTUnit -> withLastIdNamespace $ ref2C ref2 |
59da15acb2f2
Finally fix the bug with pointer declarations polluting namespace with bad records
unc0rr
parents:
6838
diff
changeset
|
697 |
a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf ++ "\n" ++ show (take 100 ns) |
6509 | 698 |
return $ |
699 |
r1 <> text "->" <> r2 |
|
6618 | 700 |
ref2C rf@(RecordField ref1 ref2) = do |
701 |
r1 <- ref2C ref1 |
|
702 |
t <- gets lastType |
|
6835 | 703 |
ns <- gets currentScope |
6817
daaf0834c4d2
- Apply unit's namespace to current scope when referencing unit name
unc0rr
parents:
6816
diff
changeset
|
704 |
r2 <- case t of |
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
|
705 |
BTFunctionReturn s (BTRecord rs) -> withRecordNamespace "" rs $ ref2C ref2 |
6859 | 706 |
BTRecord rs -> withRecordNamespace "" rs $ ref2C ref2 |
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
|
707 |
BTUnit -> withLastIdNamespace $ ref2C ref2 |
6835 | 708 |
a -> error $ "dereferencing from " ++ show a ++ "\n" ++ show rf ++ "\n" ++ show (take 100 ns) |
6509 | 709 |
return $ |
710 |
r1 <> text "." <> r2 |
|
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
|
711 |
ref2C d@(Dereference ref) = do |
6827 | 712 |
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
|
713 |
t <- fromPointer (show d) =<< gets lastType |
6834 | 714 |
modify (\st -> st{lastType = t}) |
6859 | 715 |
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
|
716 |
ref2C f@(FunCall params ref) = do |
6509 | 717 |
r <- ref2C ref |
6826 | 718 |
t <- gets lastType |
719 |
case t of |
|
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
|
720 |
BTFunction t' -> 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
|
721 |
ps <- liftM (parens . hsep . punctuate (char ',')) $ mapM expr2C params |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
722 |
modify (\s -> s{lastType = t'}) |
6826 | 723 |
return $ r <> ps |
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
|
724 |
BTFunctionReturn r t' -> do |
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
|
725 |
ps <- liftM (parens . hsep . punctuate (char ',')) $ mapM expr2C params |
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
|
726 |
modify (\s -> s{lastType = 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
|
727 |
return $ text 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
|
728 |
_ -> 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
|
729 |
(SimpleReference i, [p]) -> ref2C $ TypeCast i p |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
730 |
_ -> error $ "ref2C FunCall erroneous type cast detected: " ++ show f ++ "\nType detected: " ++ show t |
6826 | 731 |
|
6509 | 732 |
ref2C (Address ref) = do |
733 |
r <- ref2C ref |
|
734 |
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
|
735 |
ref2C (TypeCast t'@(Identifier i _) expr) = do |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
736 |
case map toLower i of |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
737 |
"pchar" -> ref2C $ FunCall [expr] (SimpleReference (Identifier "_pchar" $ BTPointerTo BTChar)) |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
738 |
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
|
739 |
e <- expr2C expr |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
740 |
t <- id2C IOLookup t' |
7d4e5ce73b98
Make pas2c even smarter. Now uIO.c compiles fine, and only 1 warning when compiled with -Wall (clang).
unc0rr
parents:
6896
diff
changeset
|
741 |
return $ parens t <> e |
6467 | 742 |
ref2C (RefExpression expr) = expr2C expr |
6355 | 743 |
|
6509 | 744 |
|
6860 | 745 |
op2C :: String -> String |
746 |
op2C "or" = "|" |
|
747 |
op2C "and" = "&" |
|
748 |
op2C "not" = "!" |
|
749 |
op2C "xor" = "^" |
|
750 |
op2C "div" = "/" |
|
751 |
op2C "mod" = "%" |
|
752 |
op2C "shl" = "<<" |
|
753 |
op2C "shr" = ">>" |
|
754 |
op2C "<>" = "!=" |
|
755 |
op2C "=" = "==" |
|
756 |
op2C a = a |
|
6273 | 757 |