mirror of
https://github.com/GrammaticalFramework/gf-core.git
synced 2026-04-13 14:59:32 -06:00
245 lines
8.6 KiB
Haskell
245 lines
8.6 KiB
Haskell
module GF.Compile (batchCompile, link, compileToPGF, compileSourceGrammar) where
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-- the main compiler passes
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import GF.Compile.GetGrammar
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import GF.Compile.Rename
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import GF.Compile.CheckGrammar
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import GF.Compile.Optimize
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import GF.Compile.SubExOpt
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import GF.Compile.GrammarToPGF
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import GF.Compile.ReadFiles
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import GF.Compile.Update
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import GF.Compile.Refresh
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import GF.Compile.Coding
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import GF.Grammar.Grammar
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import GF.Grammar.Lookup
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import GF.Grammar.Printer
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import GF.Grammar.Binary
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import GF.Infra.Ident
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import GF.Infra.Option
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import GF.Infra.UseIO
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import GF.Infra.CheckM
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import GF.Data.Operations
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import Control.Monad
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import System.IO
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import System.Directory
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import System.FilePath
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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(nub)
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import Data.Maybe (isNothing)
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import Data.Binary
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import qualified Data.ByteString.Char8 as BS
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import Text.PrettyPrint
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import PGF.CId
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import PGF.Data
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import PGF.Macros
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import PGF.Optimize
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import PGF.Probabilistic
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-- | Compiles a number of source files and builds a 'PGF' structure for them.
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compileToPGF :: Options -> [FilePath] -> IOE PGF
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compileToPGF opts fs =
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do gr <- batchCompile opts fs
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let name = justModuleName (last fs)
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link opts (identC (BS.pack name)) gr
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link :: Options -> Ident -> SourceGrammar -> IOE PGF
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link opts cnc gr = do
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let isv = (verbAtLeast opts Normal)
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putPointE Normal opts "linking ... " $ do
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pgf <- ioeIO (mkCanon2pgf opts cnc gr)
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probs <- ioeIO (maybe (return . defaultProbabilities) readProbabilitiesFromFile (flag optProbsFile opts) pgf)
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ioeIO $ when (verbAtLeast opts Normal) $ putStrFlush "OK"
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return $ setProbabilities probs
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$ if flag optOptimizePGF opts then optimizePGF pgf else pgf
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batchCompile :: Options -> [FilePath] -> IOE SourceGrammar
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batchCompile opts files = do
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(_,gr,_) <- foldM (compileModule opts) emptyCompileEnv files
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return gr
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-- to compile a set of modules, e.g. an old GF or a .cf file
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compileSourceGrammar :: Options -> SourceGrammar -> IOE SourceGrammar
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compileSourceGrammar opts gr = do
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(_,gr',_) <- foldM (\env -> compileSourceModule opts env Nothing)
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(0,emptySourceGrammar,Map.empty)
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(modules gr)
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return gr'
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-- to output an intermediate stage
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intermOut :: Options -> Dump -> Doc -> IOE ()
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intermOut opts d doc
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| dump opts d = ioeIO (hPutStrLn stderr (render (text "\n\n--#" <+> text (show d) $$ doc)))
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| otherwise = return ()
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-- | the environment
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type CompileEnv = (Int,SourceGrammar,ModEnv)
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-- | compile with one module as starting point
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-- command-line options override options (marked by --#) in the file
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-- As for path: if it is read from file, the file path is prepended to each name.
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-- If from command line, it is used as it is.
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compileModule :: Options -- ^ Options from program command line and shell command.
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-> CompileEnv -> FilePath -> IOE CompileEnv
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compileModule opts1 env file = do
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file <- getRealFile file
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opts0 <- getOptionsFromFile file
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curr_dir <- return $ dropFileName file
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lib_dir <- ioeIO $ getLibraryDirectory (addOptions opts0 opts1)
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let opts = addOptions (fixRelativeLibPaths curr_dir lib_dir opts0) opts1
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ps0 <- ioeIO $ extendPathEnv opts
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let ps = nub (curr_dir : ps0)
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ioeIO $ putIfVerb opts $ "module search path:" +++ show ps ----
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let (_,sgr,rfs) = env
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files <- getAllFiles opts ps rfs file
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ioeIO $ putIfVerb opts $ "files to read:" +++ show files ----
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let names = map justModuleName files
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ioeIO $ putIfVerb opts $ "modules to include:" +++ show names ----
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foldM (compileOne opts) (0,sgr,rfs) files
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where
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getRealFile file = do
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exists <- ioeIO $ doesFileExist file
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if exists
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then return file
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else if isRelative file
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then do lib_dir <- ioeIO $ getLibraryDirectory opts1
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let file1 = lib_dir </> file
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exists <- ioeIO $ doesFileExist file1
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if exists
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then return file1
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else ioeErr $ Bad (render (text "None of this files exist:" $$ nest 2 (text file $$ text file1)))
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else ioeErr $ Bad (render (text "File" <+> text file <+> text "does not exist."))
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compileOne :: Options -> CompileEnv -> FullPath -> IOE CompileEnv
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compileOne opts env@(_,srcgr,_) file = do
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let putpOpt v m act
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| verbAtLeast opts Verbose = putPointE Normal opts v act
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| verbAtLeast opts Normal = ioeIO (putStrFlush m) >> act
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| otherwise = putPointE Verbose opts v act
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let gf = takeExtensions file
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let path = dropFileName file
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let name = dropExtension file
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case gf of
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-- for compiled gf, read the file and update environment
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-- also undo common subexp optimization, to enable normal computations
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".gfo" -> do
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sm00 <- putPointE Verbose opts ("+ reading" +++ file) $ ioeIO (decodeFile file)
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let sm0 = (fst sm00, (snd sm00) {mflags = mflags (snd sm00) `addOptions` opts})
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intermOut opts DumpSource (ppModule Qualified sm0)
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let sm1 = unsubexpModule sm0
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sm <- {- putPointE Normal opts "creating indirections" $ -} ioeErr $ extendModule srcgr sm1
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extendCompileEnv env file sm
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-- for gf source, do full compilation and generate code
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_ -> do
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let gfo = gf2gfo opts file
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b1 <- ioeIO $ doesFileExist file
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if not b1
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then compileOne opts env $ gfo
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else do
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sm00 <- putpOpt ("- parsing" +++ file) ("- compiling" +++ file ++ "... ") $
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getSourceModule opts file
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enc <- ioeIO $ mkTextEncoding (renameEncoding (flag optEncoding (mflags (snd sm00))))
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let sm = decodeStringsInModule enc sm00
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intermOut opts DumpSource (ppModule Qualified sm)
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compileSourceModule opts env (Just gfo) sm
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where
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isConcr (_,m) = isModCnc m && mstatus m /= MSIncomplete
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compileSourceModule :: Options -> CompileEnv -> Maybe FilePath -> SourceModule -> IOE CompileEnv
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compileSourceModule opts env@(k,gr,_) mb_gfo mo@(i,mi) = do
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let puts = putPointE Quiet opts
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putpp = putPointE Verbose opts
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mo1 <- ioeErr $ rebuildModule gr mo
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intermOut opts DumpRebuild (ppModule Qualified mo1)
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mo1b <- ioeErr $ extendModule gr mo1
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intermOut opts DumpExtend (ppModule Qualified mo1b)
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case mo1b of
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(_,n) | not (isCompleteModule n) -> do
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case mb_gfo of
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Just gfo -> if flag optMode opts /= ModeTags
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then putPointE Verbose opts " generating code... " $ generateModuleCode opts gfo mo1b
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else putStrLnE "" >> return mo1b
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Nothing -> return mo1b
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extendCompileEnvInt env k mb_gfo mo1b
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_ -> do
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let mos = modules gr
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(mo2,warnings) <- putpp " renaming " $ ioeErr $ runCheck (renameModule mos mo1b)
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if null warnings then return () else puts warnings $ return ()
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intermOut opts DumpRename (ppModule Qualified mo2)
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(mo3,warnings) <- putpp " type checking" $ ioeErr $ runCheck (checkModule mos mo2)
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if null warnings then return () else puts warnings $ return ()
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intermOut opts DumpTypeCheck (ppModule Qualified mo3)
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if flag optMode opts /= ModeTags
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then do (k',mo3r:_) <- putpp " refreshing " $ ioeErr $ refreshModule (k,mos) mo3
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intermOut opts DumpRefresh (ppModule Qualified mo3r)
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mo4 <- putpp " optimizing " $ ioeErr $ optimizeModule opts mos mo3r
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intermOut opts DumpOptimize (ppModule Qualified mo4)
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case mb_gfo of
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Just gfo -> putPointE Verbose opts " generating code... " $ generateModuleCode opts gfo mo4
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Nothing -> return mo4
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extendCompileEnvInt env k' mb_gfo mo4
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else do putStrLnE ""
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extendCompileEnvInt env k mb_gfo mo3
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generateModuleCode :: Options -> FilePath -> SourceModule -> IOE SourceModule
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generateModuleCode opts file minfo = do
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let minfo1 = subexpModule minfo
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minfo2 = case minfo1 of
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(m,mi) -> (m,mi{jments=Map.filter (\x -> case x of {AnyInd _ _ -> False; _ -> True}) (jments mi)})
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putPointE Normal opts (" wrote file" +++ file) $ ioeIO $ encodeFile file minfo2
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return minfo1
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-- auxiliaries
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--reverseModules (MGrammar ms) = MGrammar $ reverse ms
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emptyCompileEnv :: CompileEnv
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emptyCompileEnv = (0,emptySourceGrammar,Map.empty)
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extendCompileEnvInt (_,gr,menv) k mfile sm = do
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let (mod,imps) = importsOfModule sm
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menv2 <- case mfile of
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Just file -> do
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t <- ioeIO $ getModificationTime file
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return $ Map.insert mod (t,imps) menv
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_ -> return menv
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return (k,prependModule gr sm,menv2) --- reverse later
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extendCompileEnv e@(k,_,_) file sm = extendCompileEnvInt e k (Just file) sm
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