Files
gf-core/src-3.0/GF/Devel/Compile.hs

203 lines
6.7 KiB
Haskell

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.Source.GrammarToSource
import qualified GF.Source.AbsGF as A
import qualified GF.Source.PrintGF as P
import GF.Data.Operations
import GF.Devel.UseIO
import Control.Monad
import System.Directory
import System.FilePath
import System.Time
import qualified Data.Map as Map
batchCompile :: Options -> [FilePath] -> IOE SourceGrammar
batchCompile opts files = do
(_,gr,_) <- foldM (compileModule defOpts) emptyCompileEnv files
return gr
where
defOpts = addOptions opts (options [emitCode])
-- 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
-- | 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 -> 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 = dropFileName file
ps0 <- ioeIO $ pathListOpts opts fpath
let ps1 = if (useFileOpt && not useLineOpt)
then (ps0 ++ map (combine fpath) ps0)
else ps0
ps <- ioeIO $ extendPathEnv ps1
let ioeIOIf = if oElem beVerbose opts then ioeIO else (const (return ()))
ioeIOIf $ putStrLn $ "module search path:" +++ show ps ----
let (_,sgr,rfs) = env
let file' = if useFileOpt then takeFileName 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 ----
foldM (compileOne opts) (0,sgr,rfs) files
compileOne :: Options -> CompileEnv -> FullPath -> IOE CompileEnv
compileOne opts env@(_,srcgr,_) file = do
let putp s = putPointE opts 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 m) >> act
let gf = takeExtensions file
let path = dropFileName file
let name = dropExtension 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 file sm
-- for gf source, do full compilation and generate code
_ -> do
let gfo = gfoFile (dropExtension file)
b1 <- ioeIO $ doesFileExist file
if not b1
then compileOne opts env $ gfo
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 gfo sm1
-- sm is optimized before generation, but not in the env
extendCompileEnvInt env k' gfo 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 -> FilePath -> SourceModule -> IOE SourceModule
generateModuleCode opts file minfo = do
let minfo1 = subexpModule minfo
out = prGrammar (MGrammar [minfo1])
putp (" wrote file" +++ file) $ ioeIO $ writeFile file $ compactPrint out
return minfo1
where
putp = putPointE opts
putpp = putPointEsil opts
-- auxiliaries
pathListOpts :: Options -> FileName -> IO [InitPath]
pathListOpts opts file = return $ maybe [file] splitInModuleSearchPath $ getOptVal opts pathList
reverseModules (MGrammar ms) = MGrammar $ reverse ms
emptyCompileEnv :: CompileEnv
emptyCompileEnv = (0,emptyMGrammar,Map.empty)
extendCompileEnvInt (_,MGrammar ss,menv) k file sm = do
let (mod,imps) = importsOfModule (trModule sm)
t <- ioeIO $ getModificationTime file
return (k,MGrammar (sm:ss),Map.insert mod (t,imps) menv) --- reverse later
extendCompileEnv e@(k,_,_) file sm = extendCompileEnvInt e k file sm