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module GFC (mainGFC, writePGF) where
-- module Main where
import PGF
--import PGF.CId
import PGF.Data
import PGF.Optimize
import PGF.Binary(putSplitAbs)
import GF.Compile
import GF.Compile.Export
import GF.Grammar.CF ---- should this be on a deeper level? AR 15/10/2008
import GF.Infra.Ident(identS,showIdent)
import GF.Infra.UseIO
import GF.Infra.Option
import GF.Data.ErrM
import GF.System.Directory
import Data.Maybe
import Data.Binary(encode,encodeFile)
import Data.Binary.Put(runPut)
import qualified Data.Map as Map
import qualified Data.ByteString as BSS
import qualified Data.ByteString.Lazy as BSL
import System.FilePath
import System.IO
import Control.Exception(bracket)
import Control.Monad(unless,forM_)
mainGFC :: Options -> [FilePath] -> IO ()
mainGFC opts fs = do
r <- appIOE (case () of
_ | null fs -> fail $ "No input files."
_ | all (extensionIs ".cf") fs -> compileCFFiles opts fs
_ | all (\f -> extensionIs ".gf" f || extensionIs ".gfo" f) fs -> compileSourceFiles opts fs
_ | all (extensionIs ".pgf") fs -> unionPGFFiles opts fs
_ -> fail $ "Don't know what to do with these input files: " ++ unwords fs)
case r of
Ok x -> return x
Bad msg -> die $ if flag optVerbosity opts == Normal
then ('\n':msg)
else msg
where
extensionIs ext = (== ext) . takeExtension
compileSourceFiles :: Options -> [FilePath] -> IOE ()
compileSourceFiles opts fs =
do cnc_gr@(cnc,t_src,gr) <- batchCompile opts fs
unless (flag optStopAfterPhase opts == Compile) $
do let abs = showIdent (srcAbsName gr cnc)
pgfFile = grammarName' opts abs<.>"pgf"
t_pgf <- if outputJustPGF opts
then maybeIO $ getModificationTime pgfFile
else return Nothing
if t_pgf >= Just t_src
then putIfVerb opts $ pgfFile ++ " is up-to-date."
else do pgf <- link opts cnc_gr
writePGF opts pgf
writeByteCode opts pgf
writeOutputs opts pgf
compileCFFiles :: Options -> [FilePath] -> IOE ()
compileCFFiles opts fs =
do s <- liftIO $ fmap unlines $ mapM readFile fs
let cnc = justModuleName (last fs)
gr <- compileSourceGrammar opts =<< getCF cnc s
unless (flag optStopAfterPhase opts == Compile) $
do pgf <- link opts (identS cnc, (), gr)
writePGF opts pgf
writeOutputs opts pgf
unionPGFFiles :: Options -> [FilePath] -> IOE ()
unionPGFFiles opts fs =
if outputJustPGF opts
then maybe doIt checkFirst (flag optName opts)
else doIt
where
checkFirst name =
do let pgfFile = name <.> "pgf"
sourceTime <- liftIO $ maximum `fmap` mapM getModificationTime fs
targetTime <- maybeIO $ getModificationTime pgfFile
if targetTime >= Just sourceTime
then putIfVerb opts $ pgfFile ++ " is up-to-date."
else doIt
doIt =
do pgfs <- mapM readPGFVerbose fs
let pgf0 = foldl1 unionPGF pgfs
pgf = if flag optOptimizePGF opts then optimizePGF pgf0 else pgf0
pgfFile = grammarName opts pgf <.> "pgf"
if pgfFile `elem` fs
then putStrLnE $ "Refusing to overwrite " ++ pgfFile
else writePGF opts pgf
writeOutputs opts pgf
readPGFVerbose f =
putPointE Normal opts ("Reading " ++ f ++ "...") $ liftIO $ readPGF f
writeOutputs :: Options -> PGF -> IOE ()
writeOutputs opts pgf = do
sequence_ [writeOutput opts name str
| fmt <- outputFormats opts,
(name,str) <- exportPGF opts fmt pgf]
outputFormats opts = [fmt | fmt <- flag optOutputFormats opts, fmt/=FmtByteCode]
outputJustPGF opts = null (flag optOutputFormats opts) && not (flag optSplitPGF opts)
writeByteCode :: Options -> PGF -> IOE ()
writeByteCode opts pgf
| elem FmtByteCode (flag optOutputFormats opts) =
let name = fromMaybe (showCId (abstractName pgf)) (flag optName opts)
file = name <.> "bc"
path = case flag optOutputDir opts of
Nothing -> file
Just dir -> dir </> file
in putPointE Normal opts ("Writing " ++ path ++ "...") $ liftIO $
bracket
(openFile path WriteMode)
(hClose)
(\h -> do hSetBinaryMode h True
BSL.hPut h (encode addrs)
BSS.hPut h (code (abstract pgf)))
| otherwise = return ()
where
addrs =
[(id,addr) | (id,(_,_,_,_,addr)) <- Map.toList (funs (abstract pgf))] ++
[(id,addr) | (id,(_,_,_,addr)) <- Map.toList (cats (abstract pgf))]
writePGF :: Options -> PGF -> IOE ()
writePGF opts pgf
| flag optSplitPGF opts = do let outfile = grammarName opts pgf <.> "pgf"
putPointE Normal opts ("Writing " ++ outfile ++ "...") $ liftIO $ do
--encodeFile_ outfile (putSplitAbs pgf)
BSL.writeFile outfile (runPut (putSplitAbs pgf))
forM_ (Map.toList (concretes pgf)) $ \cnc -> do
let outfile = showCId (fst cnc) <.> "pgf_c"
putPointE Normal opts ("Writing " ++ outfile ++ "...") $ liftIO $ encodeFile outfile cnc
return ()
| otherwise = do let outfile = grammarName opts pgf <.> "pgf"
putPointE Normal opts ("Writing " ++ outfile ++ "...") $ liftIO $ encodeFile outfile pgf
grammarName :: Options -> PGF -> String
grammarName opts pgf = --fromMaybe (showCId (absname pgf)) (flag optName opts)
grammarName' opts (showCId (absname pgf))
grammarName' opts abs = fromMaybe abs (flag optName opts)
writeOutput :: Options -> FilePath-> String -> IOE ()
writeOutput opts file str =
putPointE Normal opts ("Writing " ++ path ++ "...") $ liftIO $
writeUTF8File path str
where
path = maybe id (</>) (flag optOutputDir opts) file
|
