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gf-core/src/compiler/GF/Compile.hs

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Haskell

module GF.Compile (batchCompile, link, compileToPGF, compileSourceGrammar) where
-- the main compiler passes
import GF.Compile.GetGrammar
import GF.Compile.Rename
import GF.Compile.CheckGrammar
import GF.Compile.Optimize
import GF.Compile.SubExOpt
import GF.Compile.GeneratePMCFG
import GF.Compile.GrammarToPGF
import GF.Compile.ReadFiles
import GF.Compile.Update
import GF.Compile.Refresh
import GF.Compile.Coding
import GF.Compile.Tags
import GF.Grammar.Grammar
import GF.Grammar.Lookup
import GF.Grammar.Printer
import GF.Grammar.Binary
import GF.Infra.Ident
import GF.Infra.Option
import GF.Infra.UseIO
import GF.Infra.CheckM
import GF.Data.Operations
import Control.Monad
import System.IO
import System.Directory
import System.FilePath
import qualified Data.Map as Map
import qualified Data.Set as Set
import Data.List(nub)
import Data.Maybe (isNothing)
import qualified Data.ByteString.Char8 as BS
import Text.PrettyPrint
import PGF.CId
import PGF.Data
import PGF.Macros
import PGF.Optimize
import PGF.Probabilistic
-- | Compiles a number of source files and builds a 'PGF' structure for them.
compileToPGF :: Options -> [FilePath] -> IOE PGF
compileToPGF opts fs =
do gr <- batchCompile opts fs
let name = justModuleName (last fs)
link opts (identC (BS.pack name)) gr
link :: Options -> Ident -> SourceGrammar -> IOE PGF
link opts cnc gr = do
let isv = (verbAtLeast opts Normal)
putPointE Normal opts "linking ... " $ do
let abs = err (const cnc) id $ abstractOfConcrete gr cnc
pgf <- ioeIO (mkCanon2pgf opts gr abs)
probs <- ioeIO (maybe (return . defaultProbabilities) readProbabilitiesFromFile (flag optProbsFile opts) pgf)
ioeIO $ when (verbAtLeast opts Normal) $ putStrFlush "OK"
return $ setProbabilities probs
$ if flag optOptimizePGF opts then optimizePGF pgf else pgf
batchCompile :: Options -> [FilePath] -> IOE SourceGrammar
batchCompile opts files = do
(_,gr,_) <- foldM (compileModule opts) emptyCompileEnv files
return gr
-- to compile a set of modules, e.g. an old GF or a .cf file
compileSourceGrammar :: Options -> SourceGrammar -> IOE SourceGrammar
compileSourceGrammar opts gr = do
(_,gr',_) <- foldM (\env -> compileSourceModule opts env Nothing)
(0,emptySourceGrammar,Map.empty)
(modules gr)
return gr'
-- to output an intermediate stage
intermOut :: Options -> Dump -> Doc -> IOE ()
intermOut opts d doc
| dump opts d = ioeIO (hPutStrLn stderr (render (text "\n\n--#" <+> text (show d) $$ doc)))
| otherwise = return ()
warnOut opts warnings
| null warnings = return ()
| otherwise = ioeIO (hPutStrLn stderr $
if flag optVerbosity opts == Normal
then ('\n':warnings)
else warnings)
-- | the environment
type CompileEnv = (Int,SourceGrammar,ModEnv)
-- | compile with one module as starting point
-- command-line options override options (marked by --#) in the file
-- As for path: if it is read from file, the file path is prepended to each name.
-- If from command line, it is used as it is.
compileModule :: Options -- ^ Options from program command line and shell command.
-> CompileEnv -> FilePath -> IOE CompileEnv
compileModule opts1 env file = do
file <- getRealFile file
opts0 <- getOptionsFromFile file
curr_dir <- return $ dropFileName file
lib_dir <- ioeIO $ getLibraryDirectory (addOptions opts0 opts1)
let opts = addOptions (fixRelativeLibPaths curr_dir lib_dir opts0) opts1
ps0 <- ioeIO $ extendPathEnv opts
let ps = nub (curr_dir : ps0)
ioeIO $ putIfVerb opts $ "module search path:" +++ show ps ----
let (_,sgr,rfs) = env
files <- getAllFiles opts ps rfs file
ioeIO $ putIfVerb opts $ "files to read:" +++ show files ----
let names = map justModuleName files
ioeIO $ putIfVerb opts $ "modules to include:" +++ show names ----
foldM (compileOne opts) (0,sgr,rfs) files
where
getRealFile file = do
exists <- ioeIO $ doesFileExist file
if exists
then return file
else if isRelative file
then do lib_dir <- ioeIO $ getLibraryDirectory opts1
let file1 = lib_dir </> file
exists <- ioeIO $ doesFileExist file1
if exists
then return file1
else ioeErr $ Bad (render (text "None of this files exist:" $$ nest 2 (text file $$ text file1)))
else ioeErr $ Bad (render (text "File" <+> text file <+> text "does not exist."))
compileOne :: Options -> CompileEnv -> FullPath -> IOE CompileEnv
compileOne opts env@(_,srcgr,_) file = do
let putpOpt v m act
| verbAtLeast opts Verbose = putPointE Normal opts v act
| verbAtLeast opts Normal = ioeIO (putStrFlush m) >> act
| otherwise = putPointE Verbose opts v act
let path = dropFileName file
let name = dropExtension file
case takeExtensions file of
-- for compiled gf, read the file and update environment
-- also undo common subexp optimization, to enable normal computations
".gfo" -> do
sm00 <- putPointE Verbose opts ("+ reading" +++ file) $ ioeIO (decodeModule file)
let sm0 = (fst sm00, (snd sm00) {mflags = mflags (snd sm00) `addOptions` opts})
intermOut opts DumpSource (ppModule Internal sm0)
let sm1 = unsubexpModule sm0
(sm,warnings) <- {- putPointE Normal opts "creating indirections" $ -} ioeErr $ runCheck $ extendModule srcgr sm1
warnOut opts warnings
if flag optTagsOnly opts
then writeTags opts srcgr (gf2gftags opts file) sm1
else return ()
extendCompileEnv env file sm
-- for gf source, do full compilation and generate code
_ -> do
b1 <- ioeIO $ doesFileExist file
if not b1
then compileOne opts env $ (gf2gfo opts file)
else do
sm00 <- putpOpt ("- parsing" +++ file) ("- compiling" +++ file ++ "... ") $
getSourceModule opts file
enc <- ioeIO $ mkTextEncoding (renameEncoding (flag optEncoding (mflags (snd sm00))))
let sm = decodeStringsInModule enc sm00
intermOut opts DumpSource (ppModule Internal sm)
compileSourceModule opts env (Just file) sm
where
isConcr (_,m) = isModCnc m && mstatus m /= MSIncomplete
compileSourceModule :: Options -> CompileEnv -> Maybe FilePath -> SourceModule -> IOE CompileEnv
compileSourceModule opts env@(k,gr,_) mb_gfFile mo@(i,mi) = do
let putpp = putPointE Verbose opts
(mo1,warnings) <- ioeErr $ runCheck $ rebuildModule gr mo
warnOut opts warnings
intermOut opts DumpRebuild (ppModule Internal mo1)
(mo1b,warnings) <- ioeErr $ runCheck $ extendModule gr mo1
warnOut opts warnings
intermOut opts DumpExtend (ppModule Internal mo1b)
case mo1b of
(_,n) | not (isCompleteModule n) ->
if not (flag optTagsOnly opts)
then do let mb_gfo = fmap (gf2gfo opts) mb_gfFile
case mb_gfo of
Just gfo -> writeGFO opts gfo mo1b
Nothing -> return ()
extendCompileEnvInt env k mb_gfo mo1b
else do case mb_gfFile of
Just gfFile -> writeTags opts gr (gf2gftags opts gfFile) mo1b
Nothing -> return ()
extendCompileEnvInt env k Nothing mo1b
_ -> do
let mos = modules gr
(mo2,warnings) <- putpp " renaming " $ ioeErr $ runCheck (renameModule mos mo1b)
warnOut opts warnings
intermOut opts DumpRename (ppModule Internal mo2)
(mo3,warnings) <- putpp " type checking" $ ioeErr $ runCheck (checkModule opts mos mo2)
warnOut opts warnings
intermOut opts DumpTypeCheck (ppModule Internal mo3)
if not (flag optTagsOnly opts)
then do (k',mo3r:_) <- putpp " refreshing " $ ioeErr $ refreshModule (k,mos) mo3
intermOut opts DumpRefresh (ppModule Internal mo3r)
mo4 <- putpp " optimizing " $ ioeErr $ optimizeModule opts mos mo3r
intermOut opts DumpOptimize (ppModule Internal mo4)
mo5 <- if isModCnc (snd mo4) && flag optPMCFG opts
then putpp " generating PMCFG " $ ioeIO $ generatePMCFG opts mos mo4
else return mo4
intermOut opts DumpCanon (ppModule Internal mo5)
let mb_gfo = fmap (gf2gfo opts) mb_gfFile
case mb_gfo of
Just gfo -> writeGFO opts gfo mo5
Nothing -> return ()
extendCompileEnvInt env k' mb_gfo mo5
else do case mb_gfFile of
Just gfFile -> writeTags opts gr (gf2gftags opts gfFile) mo3
Nothing -> return ()
extendCompileEnvInt env k Nothing mo3
writeGFO :: Options -> FilePath -> SourceModule -> IOE ()
writeGFO opts file mo = do
let mo1 = subexpModule mo
mo2 = case mo1 of
(m,mi) -> (m,mi{jments=Map.filter (\x -> case x of {AnyInd _ _ -> False; _ -> True}) (jments mi)})
putPointE Normal opts (" write file" +++ file) $ ioeIO $ encodeModule file mo2
-- auxiliaries
--reverseModules (MGrammar ms) = MGrammar $ reverse ms
emptyCompileEnv :: CompileEnv
emptyCompileEnv = (0,emptySourceGrammar,Map.empty)
extendCompileEnvInt (_,gr,menv) k mfile mo = do
menv2 <- case mfile of
Just file -> do
let (mod,imps) = importsOfModule mo
t <- ioeIO $ getModificationTime file
return $ Map.insert mod (t,imps) menv
_ -> return menv
return (k,prependModule gr mo,menv2) --- reverse later
extendCompileEnv e@(k,_,_) file mo = extendCompileEnvInt e k (Just file) mo