forked from GitHub/gf-core
256 lines
8.8 KiB
Haskell
256 lines
8.8 KiB
Haskell
module GF.Compile (batchCompile, link, compileToPGF, compileSourceGrammar) where
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-- the main compiler passes
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import GF.Compile.GetGrammar
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import GF.Compile.Rename
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import GF.Compile.CheckGrammar
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import GF.Compile.Optimize
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import GF.Compile.OptimizeGF
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import GF.Compile.OptimizeGFCC
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import GF.Compile.GrammarToGFCC
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import GF.Compile.ReadFiles
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import GF.Compile.Update
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import GF.Compile.Refresh
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import GF.Compile.Coding
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import GF.Text.UTF8 ----
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import GF.Grammar.Grammar
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import GF.Grammar.Lookup
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import GF.Grammar.Printer
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import GF.Grammar.Binary
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import GF.Infra.Ident
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import GF.Infra.Option
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import GF.Infra.Modules
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import GF.Infra.UseIO
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import GF.Source.GrammarToSource
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import qualified GF.Source.AbsGF as A
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import qualified GF.Source.PrintGF as P
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import GF.Data.Operations
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import Control.Monad
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import System.IO
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import System.Directory
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import System.FilePath
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import qualified Data.Map as Map
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import qualified Data.Set as Set
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import Data.List(nub)
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import Data.Maybe (isNothing)
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import Data.Binary
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import Text.PrettyPrint
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import PGF.Check
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import PGF.CId
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import PGF.Data
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import PGF.Macros
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-- | Compiles a number of source files and builds a 'PGF' structure for them.
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compileToPGF :: Options -> [FilePath] -> IOE PGF
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compileToPGF opts fs =
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do gr <- batchCompile opts fs
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let name = justModuleName (last fs)
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link opts name gr
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link :: Options -> String -> SourceGrammar -> IOE PGF
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link opts cnc gr = do
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let isv = (verbAtLeast opts Normal)
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gc1 <- putPointE Normal opts "linking ... " $
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let (abs,gc0) = mkCanon2gfcc opts cnc gr
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in case checkPGF gc0 of
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Ok (gc,b) -> do
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case (isv,b) of
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(True, True) -> ioeIO $ putStrLn "OK"
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(False,True) -> return ()
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_ -> ioeIO $ putStrLn $ "Corrupted PGF"
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return gc
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Bad s -> fail s
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return $ buildParser opts $ optimize opts gc1
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optimize :: Options -> PGF -> PGF
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optimize opts = cse . suf
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where os = flag optOptimizations opts
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cse = if OptCSE `Set.member` os then cseOptimize else id
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suf = if OptStem `Set.member` os then suffixOptimize else id
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buildParser :: Options -> PGF -> PGF
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buildParser opts =
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case flag optBuildParser opts of
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BuildParser -> addParsers opts
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DontBuildParser -> id
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BuildParserOnDemand -> mapConcretes (\cnc -> cnc { cflags = Map.insert (mkCId "parser") "ondemand" (cflags cnc) })
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batchCompile :: Options -> [FilePath] -> IOE SourceGrammar
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batchCompile opts files = do
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(_,gr,_) <- foldM (compileModule opts) emptyCompileEnv files
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return gr
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-- to compile a set of modules, e.g. an old GF or a .cf file
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compileSourceGrammar :: Options -> SourceGrammar -> IOE SourceGrammar
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compileSourceGrammar opts gr@(MGrammar ms) = do
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(_,gr',_) <- foldM compOne (0,emptySourceGrammar,Map.empty) ms
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return gr'
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where
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compOne env mo = do
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(k,mo') <- compileSourceModule opts env mo
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extendCompileEnvInt env k Nothing mo' --- file for the same of modif time...
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-- to output an intermediate stage
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intermOut :: Options -> Dump -> Doc -> IOE ()
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intermOut opts d doc
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| dump opts d = ioeIO (hPutStrLn stderr (render (text "\n\n--#" <+> text (show d) $$ doc)))
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| otherwise = return ()
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-- | the environment
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type CompileEnv = (Int,SourceGrammar,ModEnv)
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-- | compile with one module as starting point
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-- command-line options override options (marked by --#) in the file
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-- As for path: if it is read from file, the file path is prepended to each name.
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-- If from command line, it is used as it is.
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compileModule :: Options -- ^ Options from program command line and shell command.
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-> CompileEnv -> FilePath -> IOE CompileEnv
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compileModule opts1 env file = do
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file <- getRealFile file
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opts0 <- getOptionsFromFile file
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let opts = addOptions opts0 opts1
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let fdir = dropFileName file
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ps <- ioeIO $ extendPathEnv opts fdir
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ioeIO $ putIfVerb opts $ "module search path:" +++ show ps ----
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let (_,sgr,rfs) = env
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files <- getAllFiles opts ps rfs file
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ioeIO $ putIfVerb opts $ "files to read:" +++ show files ----
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let names = map justModuleName files
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ioeIO $ putIfVerb opts $ "modules to include:" +++ show names ----
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foldM (compileOne opts) (0,sgr,rfs) files
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where
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getRealFile file1 = do
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exists <- ioeIO $ doesFileExist file1
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if exists
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then return file
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else if isRelative file
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then do libpath <- ioeIO $ getLibraryPath opts1
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let file1 = libpath </> file
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exists <- ioeIO $ doesFileExist file1
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if exists
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then return file1
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else ioeErr $ Bad (render (text "None of this files exist:" $$ nest 2 (text file $$ text file1)))
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else ioeErr $ Bad (render (text "File" <+> text file <+> text "does not exist."))
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compileOne :: Options -> CompileEnv -> FullPath -> IOE CompileEnv
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compileOne opts env@(_,srcgr,_) file = do
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let putpOpt v m act
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| verbAtLeast opts Verbose = putPointE Normal opts v act
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| verbAtLeast opts Normal = ioeIO (putStrFlush m) >> act
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| otherwise = putPointE Verbose opts v act
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let gf = takeExtensions file
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let path = dropFileName file
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let name = dropExtension file
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case gf of
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-- for compiled gf, read the file and update environment
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-- also undo common subexp optimization, to enable normal computations
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".gfo" -> do
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sm00 <- putPointE Normal opts ("+ reading" +++ file) $ ioeIO (decodeFile file)
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let sm0 = addOptionsToModule opts sm00
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intermOut opts DumpSource (ppModule Qualified sm0)
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let sm1 = unsubexpModule sm0
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sm <- {- putPointE Normal opts "creating indirections" $ -} ioeErr $ extendModule srcgr sm1
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extendCompileEnv env file sm
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-- for gf source, do full compilation and generate code
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_ -> do
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let gfo = gf2gfo opts file
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b1 <- ioeIO $ doesFileExist file
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if not b1
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then compileOne opts env $ gfo
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else do
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sm00 <- putpOpt ("- parsing" +++ file) ("- compiling" +++ file ++ "... ") $
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getSourceModule opts file
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let sm0 = decodeStringsInModule sm00
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intermOut opts DumpSource (ppModule Qualified sm0)
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(k',sm) <- compileSourceModule opts env sm0
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let sm1 = if isConcr sm then shareModule sm else sm -- cannot expand Str
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cm <- putPointE Verbose opts " generating code... " $ generateModuleCode opts gfo sm1
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-- sm is optimized before generation, but not in the env
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extendCompileEnvInt env k' (Just gfo) sm1
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where
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isConcr (_,m) = isModCnc m && mstatus m /= MSIncomplete
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compileSourceModule :: Options -> CompileEnv -> SourceModule -> IOE (Int,SourceModule)
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compileSourceModule opts env@(k,gr,_) mo@(i,mi) = do
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let putp = putPointE Normal opts
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putpp = putPointE Verbose opts
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mo1 <- ioeErr $ rebuildModule gr mo
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intermOut opts DumpRebuild (ppModule Qualified mo1)
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mo1b <- ioeErr $ extendModule gr mo1
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intermOut opts DumpExtend (ppModule Qualified mo1b)
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case mo1b of
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(_,n) | not (isCompleteModule n) -> do
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return (k,mo1b) -- refresh would fail, since not renamed
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_ -> do
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let mos = modules gr
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mo2:_ <- putpp " renaming " $ ioeErr $ renameModule mos mo1b
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intermOut opts DumpRename (ppModule Qualified mo2)
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(mo3:_,warnings) <- putpp " type checking" $ ioeErr $ showCheckModule mos mo2
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if null warnings then return () else putp warnings $ return ()
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intermOut opts DumpTypeCheck (ppModule Qualified mo3)
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(k',mo3r:_) <- putpp " refreshing " $ ioeErr $ refreshModule (k,mos) mo3
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intermOut opts DumpRefresh (ppModule Qualified mo3r)
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let eenv = () --- emptyEEnv
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(mo4,eenv') <- putpp " optimizing " $ ioeErr $ optimizeModule opts (mos,eenv) mo3r
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intermOut opts DumpOptimize (ppModule Qualified mo4)
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return (k',mo4)
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generateModuleCode :: Options -> FilePath -> SourceModule -> IOE SourceModule
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generateModuleCode opts file minfo = do
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let minfo1 = subexpModule minfo
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minfo2 = case minfo1 of
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(m,mi) -> (m,mi{jments=Map.filter (\x -> case x of {AnyInd _ _ -> False; _ -> True}) (jments mi)
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, positions=Map.empty})
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putPointE Normal opts (" wrote file" +++ file) $ ioeIO $ encodeFile file minfo2
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return minfo1
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-- auxiliaries
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reverseModules (MGrammar ms) = MGrammar $ reverse ms
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emptyCompileEnv :: CompileEnv
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emptyCompileEnv = (0,emptyMGrammar,Map.empty)
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extendCompileEnvInt (_,MGrammar ss,menv) k mfile sm = do
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let (mod,imps) = importsOfModule sm
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menv2 <- case mfile of
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Just file -> do
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t <- ioeIO $ getModificationTime file
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return $ Map.insert mod (t,imps) menv
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_ -> return menv
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return (k,MGrammar (sm:ss),menv2) --- reverse later
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extendCompileEnv e@(k,_,_) file sm = extendCompileEnvInt e k (Just file) sm
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