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

219 lines
7.2 KiB
Haskell

module GF.Compile (batchCompile, compileToGFCC) 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.Devel.OptimizeGF
import GF.Devel.GrammarToGFCC
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
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)
gc1 <- putPointE opts "linking ... " $
let (abs,gc0) = mkCanon2gfcc opts name gr
in ioeIO $ checkGFCCio gc0
let opt = if oElem (iOpt "noopt") opts then id else optGFCC
par = if oElem (iOpt "noparse") opts then id else addParsers
return (par (opt gc1))
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