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module GFC (mainGFC) where
-- module Main where
import PGF
import PGF.CId
import PGF.Data
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.UseIO
import GF.Infra.Option
import GF.Data.ErrM
import Data.Maybe
import Data.Binary
import System.FilePath
import System.IO
mainGFC :: Options -> [FilePath] -> IOE ()
mainGFC opts fs =
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
where extensionIs ext = (== ext) . takeExtension
compileSourceFiles :: Options -> [FilePath] -> IOE ()
compileSourceFiles opts fs =
do gr <- batchCompile opts fs
let cnc = justModuleName (last fs)
if flag optStopAfterPhase opts == Compile
then return ()
else do pgf <- link opts cnc gr
writePGF opts pgf
writeOutputs opts pgf
compileCFFiles :: Options -> [FilePath] -> IOE ()
compileCFFiles opts fs =
do s <- ioeIO $ fmap unlines $ mapM readFile fs
let cnc = justModuleName (last fs)
gf <- ioeErr $ getCF cnc s
gr <- compileSourceGrammar opts gf
if flag optStopAfterPhase opts == Compile
then return ()
else do pgf <- link opts cnc gr
writePGF opts pgf
writeOutputs opts pgf
unionPGFFiles :: Options -> [FilePath] -> IOE ()
unionPGFFiles opts fs =
do pgfs <- mapM readPGFVerbose fs
let pgf = foldl1 unionPGF pgfs
pgfFile = grammarName opts pgf <.> "pgf"
if pgfFile `elem` fs
then putStrLnE $ "Refusing to overwrite " ++ pgfFile
else writePGF opts pgf
writeOutputs opts pgf
where readPGFVerbose f = putPointE Normal opts ("Reading " ++ f ++ "...") $ ioeIO $ readPGF f
writeOutputs :: Options -> PGF -> IOE ()
writeOutputs opts pgf = do
sequence_ [writeOutput opts name str
| fmt <- flag optOutputFormats opts,
(name,str) <- exportPGF opts fmt pgf]
writePGF :: Options -> PGF -> IOE ()
writePGF opts pgf = do
let outfile = grammarName opts pgf <.> "pgf"
putPointE Normal opts ("Writing " ++ outfile ++ "...") $ ioeIO $ encodeFile outfile pgf
grammarName :: Options -> PGF -> String
grammarName opts pgf = fromMaybe (showCId (absname pgf)) (flag optName opts)
writeOutput :: Options -> FilePath-> String -> IOE ()
writeOutput opts file str =
do let path = case flag optOutputDir opts of
Nothing -> file
Just dir -> dir </> file
writeOutputFile opts path str
writeOutputFile :: Options -> FilePath -> String -> IOE ()
writeOutputFile opts outfile output =
do putPointE Normal opts ("Writing " ++ outfile ++ "...") $ ioeIO $ writeFile outfile output
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