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module GF.Devel.Compile (batchCompile) where
-- the main compiler passes
import GF.Devel.GetGrammar
import GF.Compile.Extend
import GF.Compile.Rebuild
import GF.Compile.Rename
import GF.Grammar.Refresh
import GF.Devel.CheckGrammar
import GF.Devel.Optimize
--import GF.Compile.Evaluate ----
import GF.Devel.OptimizeGF
--import GF.Canon.Share
--import GF.Canon.Subexpressions (elimSubtermsMod,unSubelimModule)
import GF.Grammar.Grammar
import GF.Infra.Ident
import GF.Infra.Option
import GF.Infra.CompactPrint
import GF.Devel.PrGrammar
import GF.Compile.Update
import GF.Grammar.Lookup
import GF.Infra.Modules
import GF.Devel.ReadFiles
import GF.Data.Operations
import GF.Devel.UseIO
import GF.Devel.Arch
import Control.Monad
import System.Directory
batchCompile :: Options -> [FilePath] -> IO SourceGrammar
batchCompile opts files = do
let defOpts = addOptions opts (options [emitCode])
egr <- appIOE $ foldM (compileModule defOpts) emptyCompileEnv files
case egr of
Ok (_,gr) -> return gr
Bad s -> error s
-- to output an intermediate stage
intermOut :: Options -> Option -> String -> IOE ()
intermOut opts opt s = if oElem opt opts then
ioeIO (putStrLn ("\n\n--#" +++ prOpt opt) >> putStrLn s)
else return ()
prMod :: SourceModule -> String
prMod = compactPrint . prModule
-- | environment variable for grammar search path
gfGrammarPathVar = "GF_GRAMMAR_PATH"
-- | the environment
type CompileEnv = (Int,SourceGrammar)
-- | 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 -> CompileEnv -> FilePath -> IOE CompileEnv
compileModule opts1 env file = do
opts0 <- ioeIO $ getOptionsFromFile file
let useFileOpt = maybe False (const True) $ getOptVal opts0 pathList
let useLineOpt = maybe False (const True) $ getOptVal opts1 pathList
let opts = addOptions opts1 opts0
let fpath = justInitPath file
ps0 <- ioeIO $ pathListOpts opts fpath
let ps1 = if (useFileOpt && not useLineOpt)
then (ps0 ++ map (prefixPathName fpath) ps0)
else ps0
ps <- ioeIO $ extendPathEnv gfLibraryPath gfGrammarPathVar ps1
let ioeIOIf = if oElem beVerbose opts then ioeIO else (const (return ()))
ioeIOIf $ putStrLn $ "module search path:" +++ show ps ----
let sgr = snd env
let rfs = [] ---- files already in memory and their read times
let file' = if useFileOpt then justFileName file else file -- to find file itself
files <- getAllFiles opts ps rfs file'
ioeIOIf $ putStrLn $ "files to read:" +++ show files ----
let names = map justModuleName files
ioeIOIf $ putStrLn $ "modules to include:" +++ show names ----
let sgr2 = MGrammar [m | m@(i,_) <- modules sgr,
notElem (prt i) $ map fileBody names]
let env0 = (0,sgr2)
(e,mm) <- foldIOE (compileOne opts) env0 files
maybe (return ()) putStrLnE mm
return e
compileOne :: Options -> CompileEnv -> FullPath -> IOE CompileEnv
compileOne opts env@(_,srcgr) file = do
let putp s = putPointE opts ("\n" ++ s)
let putpp = putPointEsil opts
let putpOpt v m act
| oElem beVerbose opts = putp v act
| oElem beSilent opts = putpp v act
| otherwise = ioeIO (putStrFlush ("\n" ++ m)) >> act
let gf = fileSuffix file
let path = justInitPath file
let name = fileBody file
let mos = modules srcgr
case gf of
-- for compiled gf, read the file and update environment
-- also undo common subexp optimization, to enable normal computations
"gfo" -> do
sm0 <- putp ("+ reading" +++ file) $ getSourceModule opts file
let sm1 = unsubexpModule sm0
sm <- {- putp "creating indirections" $ -} ioeErr $ extendModule mos sm1
extendCompileEnv env sm
-- for gf source, do full compilation and generate code
_ -> do
let modu = unsuffixFile file
b1 <- ioeIO $ doesFileExist file
if not b1
then compileOne opts env $ gfoFile $ modu
else do
sm0 <- putpOpt ("- parsing" +++ file) ("- compiling" +++ file ++ "... ") $
getSourceModule opts file
(k',sm) <- compileSourceModule opts env sm0
let sm1 = if isConcr sm then shareModule sm else sm -- cannot expand Str
cm <- putpp " generating code... " $ generateModuleCode opts path sm1
-- sm is optimized before generation, but not in the env
let cm2 = unsubexpModule cm
extendCompileEnvInt env (k',sm1)
where
isConcr (_,mi) = case mi of
ModMod m -> isModCnc m && mstatus m /= MSIncomplete
_ -> False
compileSourceModule :: Options -> CompileEnv ->
SourceModule -> IOE (Int,SourceModule)
compileSourceModule opts env@(k,gr) mo@(i,mi) = do
let putp = putPointE opts
putpp = putPointEsil opts
mos = modules gr
mo1 <- ioeErr $ rebuildModule mos mo
intermOut opts (iOpt "show_rebuild") (prMod mo1)
mo1b <- ioeErr $ extendModule mos mo1
intermOut opts (iOpt "show_extend") (prMod mo1b)
case mo1b of
(_,ModMod n) | not (isCompleteModule n) -> do
return (k,mo1b) -- refresh would fail, since not renamed
_ -> do
mo2:_ <- putpp " renaming " $ ioeErr $ renameModule mos mo1b
intermOut opts (iOpt "show_rename") (prMod mo2)
(mo3:_,warnings) <- putpp " type checking" $ ioeErr $ showCheckModule mos mo2
if null warnings then return () else putp warnings $ return ()
intermOut opts (iOpt "show_typecheck") (prMod mo3)
(k',mo3r:_) <- putpp " refreshing " $ ioeErr $ refreshModule (k,mos) mo3
intermOut opts (iOpt "show_refresh") (prMod mo3r)
let eenv = () --- emptyEEnv
(mo4,eenv') <-
---- if oElem "check_only" opts
putpp " optimizing " $ ioeErr $ optimizeModule opts (mos,eenv) mo3r
return (k',mo4)
where
---- prDebug mo = ioeIO $ putStrLn $ prGrammar $ MGrammar [mo] ---- debug
prDebug mo = ioeIO $ print $ length $ lines $ prGrammar $ MGrammar [mo]
generateModuleCode :: Options -> InitPath -> SourceModule -> IOE SourceModule
generateModuleCode opts path minfo@(name,info) = do
let pname = prefixPathName path (prt name)
let minfo0 = minfo
let minfo1 = subexpModule minfo0
let minfo2 = minfo1
let (file,out) = (gfoFile pname, prGrammar (MGrammar [minfo2]))
putp (" wrote file" +++ file) $ ioeIO $ writeFile file $ compactPrint out
return minfo2
where
putp = putPointE opts
putpp = putPointEsil opts
-- auxiliaries
pathListOpts :: Options -> FileName -> IO [InitPath]
pathListOpts opts file = return $ maybe [file] pFilePaths $ getOptVal opts pathList
reverseModules (MGrammar ms) = MGrammar $ reverse ms
emptyCompileEnv :: CompileEnv
emptyCompileEnv = (0,emptyMGrammar)
extendCompileEnvInt (_,MGrammar ss) (k,sm) =
return (k,MGrammar (sm:ss)) --- reverse later
extendCompileEnv e@(k,_) sm = extendCompileEnvInt e (k,sm)
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