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module GF.Compile (batchCompile, link, compileToGFCC) where
-- the main compiler passes
import GF.Compile.GetGrammar
import GF.Compile.Extend
import GF.Compile.Rebuild
import GF.Compile.Rename
import GF.Compile.CheckGrammar
import GF.Compile.Optimize
import GF.Compile.OptimizeGF
import GF.Compile.GrammarToGFCC
import GF.Compile.ReadFiles
import GF.Compile.Update
import GF.Grammar.Grammar
import GF.Grammar.Refresh
import GF.Grammar.Lookup
import GF.Grammar.PrGrammar
import GF.Infra.Ident
import GF.Infra.Option
import GF.Infra.Modules
import GF.Infra.UseIO
import GF.Source.GrammarToSource
import qualified GF.Source.AbsGF as A
import qualified GF.Source.PrintGF as P
import GF.Data.Operations
import Control.Monad
import System.Directory
import System.FilePath
import System.Time
import qualified Data.Map as Map
import GF.GFCC.OptimizeGFCC
import GF.GFCC.CheckGFCC
import GF.GFCC.DataGFCC
-- | Compiles a number of source files and builds a 'GFCC' structure for them.
compileToGFCC :: Options -> [FilePath] -> IOE GFCC
compileToGFCC opts fs =
do gr <- batchCompile opts fs
let name = justModuleName (last fs)
link opts name gr
link :: Options -> String -> SourceGrammar -> IOE GFCC
link opts cnc gr =
do gc1 <- putPointE opts "linking ... " $
let (abs,gc0) = mkCanon2gfcc opts cnc gr
in ioeIO $ checkGFCCio gc0
return $ buildParser opts $ optimize opts gc1
optimize :: Options -> GFCC -> GFCC
optimize opts = cse . suf
where os = moduleFlag optOptimizations opts
cse = if OptCSE `elem` os then cseOptimize else id
suf = if OptStem `elem` os then suffixOptimize else id
buildParser :: Options -> GFCC -> GFCC
buildParser opts =
if moduleFlag optBuildParser opts then id else addParsers
batchCompile :: Options -> [FilePath] -> IOE SourceGrammar
batchCompile opts files = do
(_,gr,_) <- foldM (compileModule opts) emptyCompileEnv files
return gr
-- to output an intermediate stage
intermOut :: Options -> Dump -> String -> IOE ()
intermOut opts d s = if dump opts d then
ioeIO (putStrLn ("\n\n--#" +++ show d) >> putStrLn s)
else return ()
-- | 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
opts0 <- getOptionsFromFile file
let opts = addOptions opts0 opts1
let fdir = dropFileName file
let ps0 = moduleFlag optLibraryPath opts
ps2 <- ioeIO $ extendPathEnv $ fdir : ps0
let ps = ps2 ++ map (fdir </>) 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
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
| beVerbose opts = putp v act
| 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 DumpRebuild (prModule mo1)
mo1b <- ioeErr $ extendModule mos mo1
intermOut opts DumpExtend (prModule 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 DumpRename (prModule mo2)
(mo3:_,warnings) <- putpp " type checking" $ ioeErr $ showCheckModule mos mo2
if null warnings then return () else putp warnings $ return ()
intermOut opts DumpTypeCheck (prModule mo3)
(k',mo3r:_) <- putpp " refreshing " $ ioeErr $ refreshModule (k,mos) mo3
intermOut opts DumpRefresh (prModule 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 $ out
return minfo1
where
putp = putPointE opts
putpp = putPointEsil opts
-- auxiliaries
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
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