mirror of
https://github.com/autc04/Retro68.git
synced 2024-06-10 02:29:39 +00:00
239 lines
9.6 KiB
Haskell
239 lines
9.6 KiB
Haskell
module Main where
|
|
|
|
import Text.ParserCombinators.Parsec
|
|
import Text.ParserCombinators.Parsec.Language
|
|
import Text.ParserCombinators.Parsec.Token
|
|
import System.Directory
|
|
import System.FilePath
|
|
import Control.Monad(guard)
|
|
import Data.List(isSuffixOf)
|
|
import qualified System.IO.Error(try)
|
|
import System.IO
|
|
import qualified Text.PrettyPrint.HughesPJ as PP
|
|
import Text.PrettyPrint.HughesPJ((<+>),(<>),($$),($+$))
|
|
import Data.Char
|
|
import Numeric
|
|
import Data.Maybe(isJust)
|
|
import Control.Monad.State
|
|
import qualified Data.Map as Map
|
|
import System.Environment(getArgs)
|
|
|
|
data Item = CharItem Char
|
|
| IgnoredItem
|
|
| FunctionItem String String [String] [Integer] (Maybe ParameterRegs)
|
|
| PragmaParameterItem String ParameterRegs
|
|
deriving(Show)
|
|
|
|
type Register = String
|
|
data ParameterRegs = ParameterRegs (Maybe Register) [Register]
|
|
deriving(Show)
|
|
|
|
tp = makeTokenParser javaStyle
|
|
|
|
item = (char '\r' >> return (CharItem '\n'))
|
|
<|> try externApiDeclaration
|
|
<|> try (string "= 0x4E90" >> return IgnoredItem)
|
|
<|> try (string "= 0x4E91" >> return IgnoredItem)
|
|
<|> try pragmaParameter
|
|
<|> fmap CharItem anyChar
|
|
|
|
balancedText stopAtComma = fmap (foldr ($) "") $
|
|
many (fmap (++) paranthesized <|> fmap (:) (noneOf (if stopAtComma then "()," else "()")))
|
|
where paranthesized = char '(' >> balancedText False >>= \xs -> char ')' >> return ('(' : xs ++ ")")
|
|
|
|
|
|
trim = dropWhile isSpace . reverse . dropWhile isSpace . reverse
|
|
cleanup = unwords . words . trim
|
|
|
|
externApiDeclaration = do
|
|
reserved tp "EXTERN_API"
|
|
rettype <- fmap trim $ parens tp (balancedText False)
|
|
name <- identifier tp
|
|
arguments <- fmap (map cleanup) $ parens tp (commaSep tp $ balancedText True)
|
|
inlines <- option [] $ do
|
|
inlinekey <- identifier tp
|
|
guard ("WORDINLINE" `isSuffixOf` inlinekey)
|
|
parens tp (commaSep tp hexword)
|
|
semi tp
|
|
return $ FunctionItem rettype name (if arguments == ["void"] then [] else arguments) inlines Nothing
|
|
|
|
pragmaParameter = do
|
|
reservedOp tp "#"
|
|
reserved tp "pragma"
|
|
reserved tp "parameter"
|
|
retval <- optionMaybe reg
|
|
name <- identifier tp
|
|
args <- parens tp (commaSep tp reg)
|
|
-- args <- option [] $ parens tp (fmap return $ reg)
|
|
-- let args = []
|
|
return $ PragmaParameterItem name (ParameterRegs retval args)
|
|
|
|
reg = (reserved tp "__A0" >> return "%%a0")
|
|
<|>(reserved tp "__A1" >> return "%%a1")
|
|
<|>(reserved tp "__A2" >> return "%%a2")
|
|
<|>(reserved tp "__D0" >> return "%%d0")
|
|
<|>(reserved tp "__D1" >> return "%%d1")
|
|
|
|
|
|
data TypeCategory = ByteType | WordType | LongType | PointerType | VoidType
|
|
deriving(Show, Eq)
|
|
classifyType tm t | "Ptr" `isSuffixOf` t = Just PointerType
|
|
| "*" `isSuffixOf` t = Just PointerType
|
|
| "Handle" `isSuffixOf` t = Just PointerType
|
|
classifyType tm "unsigned char" = Just ByteType
|
|
classifyType tm "signed char" = Just ByteType
|
|
classifyType tm "char" = Just ByteType
|
|
classifyType tm "short" = Just WordType
|
|
classifyType tm "long" = Just LongType
|
|
classifyType tm "void" = Just VoidType
|
|
classifyType tm t = Map.lookup t tm
|
|
|
|
hexword = integer tp
|
|
outputItem typeMap (CharItem c) = [c]
|
|
-- outputItem (FunctionItem rettype name arguments words) = "<fun>"
|
|
outputItem typeMap (FunctionItem rettype name arguments words mbParamRegs) =
|
|
PP.render $
|
|
linkage <+> PP.text rettype <+> PP.text name
|
|
<+> PP.parens (PP.hsep $ PP.punctuate PP.comma $ map PP.text arguments) $$
|
|
if isJust mbCategories && not (null words)
|
|
then
|
|
PP.text "{" $+$ (PP.nest 4 $
|
|
addReturnValue $
|
|
PP.text "__asm__ __volatile__ (" $+$
|
|
PP.nest 4 (
|
|
PP.nest 4 (PP.vcat asmStatements) $+$
|
|
showConstraints outs $+$
|
|
showConstraints ins $+$
|
|
PP.text ": \"%a0\", \"%a1\", \"%d0\", \"%d1\", \"%d2\""
|
|
<> (if tooltrap then PP.text ", \"%a5\"" else PP.empty)
|
|
)
|
|
$+$ PP.text ");"
|
|
) $+$ PP.text "}\n\n"
|
|
else
|
|
PP.semi $+$
|
|
PP.text "//" <+> PP.text (show words) $+$
|
|
PP.text "//" <+> PP.text rettype <+> PP.text (show $ (classifyType typeMap) rettype) $+$
|
|
PP.text "//" <+> PP.text (show argumentTypes) <+> PP.text (show $ map (classifyType typeMap) argumentTypes) $+$
|
|
PP.text "\n" -- couldn't convert type
|
|
where
|
|
tooltrap = True -- trapnum >= 0xA800
|
|
linkage | null words = PP.text "extern"
|
|
| otherwise = PP.text "static inline"
|
|
argumentNames = map (trim . reverse . takeWhile isAlphaNum . reverse . trim) arguments
|
|
argumentTypes = map (trim . reverse . dropWhile isAlphaNum . reverse . trim) arguments
|
|
|
|
mbCategories = do
|
|
retcat <- classifyType typeMap rettype
|
|
argcats <- mapM (classifyType typeMap) argumentTypes
|
|
return (retcat, argcats)
|
|
|
|
Just (returnCategory, argumentCategories) = mbCategories
|
|
|
|
returnsValue = returnCategory /= VoidType
|
|
addReturnValue body
|
|
| returnsValue = (PP.text rettype <+> PP.text "_ret;") $+$
|
|
body $+$
|
|
PP.text "return _ret;"
|
|
| otherwise = body
|
|
outs | returnsValue = [PP.text "\"=g\"(_ret)"]
|
|
| otherwise = []
|
|
ins = zipWith inputConstraint argumentCategories argumentNames
|
|
|
|
inputConstraint PointerType name = PP.text "\"m\"(*(char*)" <> PP.text name <> PP.text ")"
|
|
inputConstraint VoidType name = error $ "Void Parameter: " ++ name
|
|
inputConstraint _ name = PP.text "\"g\"(" <> PP.text name <> PP.text ")"
|
|
|
|
|
|
showConstraints constraints = PP.text ":" <+> PP.hsep (PP.punctuate PP.comma $ constraints)
|
|
asmStatements =
|
|
(if tooltrap then [-- PP.text "\"move.l %%a5, %%a4\\n\"",
|
|
PP.text "\"move.l 0x904.w, %%a5\\n\""] else []) ++
|
|
subq ++
|
|
pushes ++
|
|
map (\trapnum -> PP.text "\"dc.w" <+> PP.text "0x" <> PP.text (showHex trapnum "") <> PP.text "\\n\\t\"") words
|
|
++ pop
|
|
-- ++ (if tooltrap then [PP.text "\"move.l %%a4, %%a5\\n\""] else [])
|
|
|
|
(subq, pop) = case returnCategory of
|
|
VoidType -> ([], [])
|
|
_ -> (ifpascal [PP.text "\"subq #" <> PP.int size <> PP.text ", %%sp\\n\\t\""],
|
|
[PP.text "\"move" <> szLetter <+> src <+> PP.text ", %0\\n\\t\""])
|
|
where
|
|
size = case returnCategory of
|
|
PointerType -> 4 ; LongType -> 4 ; WordType -> 2 ; ByteType -> 2 {- keep stack aligned -}
|
|
|
|
szLetter = PP.text $ case returnCategory of
|
|
PointerType -> ".l" ; LongType -> ".l" ; WordType -> ".w" ; ByteType -> ".b"
|
|
src = case mbParamRegs of
|
|
Nothing -> PP.text "%%sp@+"
|
|
Just (ParameterRegs (Just r) _) -> PP.text r
|
|
Just (ParameterRegs Nothing _) -> error $ "no reg for return value: " ++ name
|
|
|
|
ifpascal x = case mbParamRegs of Nothing -> x ; Just _ -> []
|
|
|
|
pushes = case mbParamRegs of
|
|
Nothing -> zipWith (mkPush Nothing) argumentCategories
|
|
Just (ParameterRegs _ regs) -> zipWith3 mkPush (map Just regs) argumentCategories
|
|
$
|
|
map (\i -> PP.char '%' <> PP.int i) $
|
|
(if returnsValue then [1..] else [0..])
|
|
|
|
endtxt = PP.text "\\n\\t\""
|
|
mkPush Nothing PointerType operand = PP.text "\"pea" <+> operand <> endtxt
|
|
mkPush (Just reg) PointerType operand = PP.text "\"lea" <+> operand <> PP.comma <+> PP.text reg <> endtxt
|
|
mkPush mbReg size operand =
|
|
PP.text "\"move" <> PP.text sz <+> operand <> PP.comma <+> dst <> endtxt
|
|
where
|
|
sz = case size of
|
|
LongType -> ".l" ; WordType -> ".w" ; ByteType -> ".b"
|
|
dst = case mbReg of
|
|
Nothing -> PP.text "%%sp@-"
|
|
Just reg -> PP.text reg
|
|
|
|
outputItem _ _ = ""
|
|
|
|
collectPragmas xs = evalState (mapM doit xs) Map.empty
|
|
where
|
|
doit x@(PragmaParameterItem name params) = modify (Map.insert name params) >> return x
|
|
doit (FunctionItem rettype name arguments inlines _) = do
|
|
m <- get
|
|
return $ FunctionItem rettype name arguments inlines (Map.lookup name m)
|
|
doit x = return x
|
|
|
|
parseTypeMap tm = Map.fromList $ map handleLine $ lines tm
|
|
where
|
|
handleLine tml = case words tml of
|
|
(x : xs) -> (trim $ unwords xs, case x of
|
|
"B" -> ByteType ; "W" -> WordType ; "L" -> LongType ; "P" -> PointerType)
|
|
processFile inputDir outputDir file
|
|
| ".h" `isSuffixOf` file = do
|
|
print $ (outputDir </> takeFileName file)
|
|
-- readFile (inputDir </> file)
|
|
f <- openFile (inputDir </> file) ReadMode
|
|
hSetEncoding f latin1
|
|
txt <- hGetContents f
|
|
let parseResult = parse (many item) file txt
|
|
typeMap <- fmap parseTypeMap $ readFile "../Retro68/types.txt"
|
|
case parseResult of
|
|
Right items -> do
|
|
outf <- openFile (outputDir </> file) WriteMode
|
|
hSetEncoding outf latin1
|
|
when (file == "ConditionalMacros.h") $ do
|
|
hPutStrLn outf $ unlines [
|
|
"#define TARGET_CPU_68K 1",
|
|
"#define TYPE_LONGLONG 1",
|
|
"#define pascal"
|
|
]
|
|
hPutStr outf $ concatMap (outputItem typeMap) $ collectPragmas $ items
|
|
hClose outf
|
|
Left err -> putStrLn $ file ++ ": " ++ show err
|
|
| otherwise = do
|
|
putStrLn $ "Unknown: " ++ file
|
|
|
|
main = do
|
|
[inputDir,outputDir] <- getArgs
|
|
files <- getDirectoryContents inputDir
|
|
System.IO.Error.try (createDirectory outputDir)
|
|
mapM (processFile inputDir outputDir) files
|
|
return ()
|