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module GF.Compile (batchCompile, link, compileToPGF, compileSourceGrammar) 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.OptimizeGFCC
import GF.Compile.GrammarToGFCC
import GF.Compile.ReadFiles
import GF.Compile.Update
import GF.Compile.Refresh
import GF.Compile.Coding
import GF.Text.UTF8 ----
import GF.Grammar.Grammar
import GF.Grammar.Lookup
import GF.Grammar.PrGrammar
import GF.Grammar.Binary
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 qualified Data.Map as Map
import qualified Data.Set as Set
import Data.List(nub)
import Data.Maybe (isNothing)
import Data.Binary
import PGF.Check
import PGF.CId
import PGF.Data
import PGF.Macros
-- | 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 name gr
link :: Options -> String -> SourceGrammar -> IOE PGF
link opts cnc gr = do
let isv = (verbAtLeast opts Normal)
gc1 <- putPointE Normal opts "linking ... " $
let (abs,gc0) = mkCanon2gfcc opts cnc gr
in case checkPGF gc0 of
Ok (gc,b) -> do
case (isv,b) of
(True, True) -> ioeIO $ putStrLn "OK"
(False,True) -> return ()
_ -> ioeIO $ putStrLn $ "Corrupted PGF"
return gc
Bad s -> fail s
return $ buildParser opts $ optimize opts gc1
optimize :: Options -> PGF -> PGF
optimize opts = cse . suf
where os = flag optOptimizations opts
cse = if OptCSE `Set.member` os then cseOptimize else id
suf = if OptStem `Set.member` os then suffixOptimize else id
buildParser :: Options -> PGF -> PGF
buildParser opts =
case flag optBuildParser opts of
BuildParser -> addParsers opts
DontBuildParser -> id
BuildParserOnDemand -> mapConcretes (\cnc -> cnc { cflags = Map.insert (mkCId "parser") "ondemand" (cflags cnc) })
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@(MGrammar ms) = do
(_,gr',_) <- foldM compOne (0,emptySourceGrammar,Map.empty) ms
return gr'
where
compOne env mo = do
(k,mo') <- compileSourceModule opts env mo
extendCompileEnvInt env k Nothing mo' --- file for the same of modif time...
-- 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 = flag optLibraryPath opts
ps1 <- ioeIO $ extendPathEnv $ fdir : ps0
let ps2 = ps1 ++ map (fdir </>) ps0
ps <- ioeIO $ fmap nub $ mapM canonicalizePath ps2
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 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 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 <- putPointE Normal opts ("+ reading" +++ file) $ ioeIO (decodeFile file)
let sm1 = unsubexpModule sm0
sm <- {- putPointE Normal opts "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
sm00 <- putpOpt ("- parsing" +++ file) ("- compiling" +++ file ++ "... ") $
getSourceModule opts file
let sm0 = decodeStringsInModule sm00
(k',sm) <- compileSourceModule opts env sm0
let sm1 = if isConcr sm then shareModule sm else sm -- cannot expand Str
cm <- putPointE Verbose opts " generating code... " $ generateModuleCode opts gfo sm1
-- sm is optimized before generation, but not in the env
extendCompileEnvInt env k' (Just gfo) sm1
where
isConcr (_,m) = isModCnc m && mstatus m /= MSIncomplete && isNothing (mwith m)
compileSourceModule :: Options -> CompileEnv -> SourceModule -> IOE (Int,SourceModule)
compileSourceModule opts env@(k,gr,_) mo@(i,mi) = do
let putp = putPointE Normal opts
putpp = putPointE Verbose 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
(_,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
minfo2 = case minfo1 of
(m,mi) -> (m,mi{jments=Map.filter (\x -> case x of {AnyInd _ _ -> False; _ -> True}) (jments mi)
, positions=Map.empty})
putPointE Normal opts (" wrote file" +++ file) $ ioeIO $ encodeFile file minfo2
return minfo1
-- auxiliaries
reverseModules (MGrammar ms) = MGrammar $ reverse ms
emptyCompileEnv :: CompileEnv
emptyCompileEnv = (0,emptyMGrammar,Map.empty)
extendCompileEnvInt (_,MGrammar ss,menv) k mfile sm = do
let (mod,imps) = importsOfModule sm
menv2 <- case mfile of
Just file -> do
t <- ioeIO $ getModificationTime file
return $ Map.insert mod (t,imps) menv
_ -> return menv
return (k,MGrammar (sm:ss),menv2) --- reverse later
extendCompileEnv e@(k,_,_) file sm = extendCompileEnvInt e k (Just file) sm
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