forked from GitHub/gf-core
changed names of resource-1.3; added a note on homepage on release
This commit is contained in:
aarne
549
src/GF/Infra/Option.hs
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549
src/GF/Infra/Option.hs
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@@ -0,0 +1,549 @@
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module GF.Infra.Option
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(
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-- * Option types
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Options, ModuleOptions,
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Flags(..), ModuleFlags(..),
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Mode(..), Phase(..), Verbosity(..), Encoding(..), OutputFormat(..),
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SISRFormat(..), Optimization(..),
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Dump(..), Printer(..), Recomp(..),
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-- * Option parsing
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parseOptions, parseModuleOptions,
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-- * Option pretty-printing
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moduleOptionsGFO,
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-- * Option manipulation
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addOptions, concatOptions, noOptions,
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moduleOptions,
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addModuleOptions, concatModuleOptions, noModuleOptions,
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helpMessage,
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-- * Checking specific options
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flag, moduleFlag,
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-- * Setting specific options
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setOptimization,
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-- * Convenience methods for checking options
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verbAtLeast, dump
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) where
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import Control.Monad
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import Data.Char (toLower)
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import Data.List
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import Data.Maybe
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import GF.Infra.GetOpt
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--import System.Console.GetOpt
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import System.FilePath
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import GF.Data.ErrM
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import Data.Set (Set)
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import qualified Data.Set as Set
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usageHeader :: String
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usageHeader = unlines
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["Usage: gfc [OPTIONS] [FILE [...]]",
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"",
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"How each FILE is handled depends on the file name suffix:",
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"",
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".gf Normal or old GF source, will be compiled.",
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".gfo Compiled GF source, will be loaded as is.",
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".gfe Example-based GF source, will be converted to .gf and compiled.",
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".ebnf Extended BNF format, will be converted to .gf and compiled.",
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".cf Context-free (BNF) format, will be converted to .gf and compiled.",
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"",
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"If multiple FILES are given, they must be normal GF source, .gfo or .gfe files.",
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"For the other input formats, only one file can be given.",
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"",
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"Command-line options:"]
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helpMessage :: String
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helpMessage = usageInfo usageHeader optDescr
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-- FIXME: do we really want multi-line errors?
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errors :: [String] -> Err a
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errors = fail . unlines
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-- Types
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data Mode = ModeVersion | ModeHelp | ModeInteractive | ModeCompiler
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deriving (Show,Eq,Ord)
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data Verbosity = Quiet | Normal | Verbose | Debug
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deriving (Show,Eq,Ord,Enum,Bounded)
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data Phase = Preproc | Convert | Compile | Link
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deriving (Show,Eq,Ord)
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data Encoding = UTF_8 | ISO_8859_1 | CP_1251
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deriving (Show,Eq,Ord)
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data OutputFormat = FmtPGF
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| FmtJavaScript
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| FmtHaskell
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| FmtHaskell_GADT
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| FmtBNF
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| FmtSRGS_XML
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| FmtSRGS_ABNF
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| FmtJSGF
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| FmtGSL
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| FmtVoiceXML
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| FmtSLF
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| FmtRegExp
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| FmtFA
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deriving (Eq,Ord)
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data SISRFormat =
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-- | SISR Working draft 1 April 2003
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-- <http://www.w3.org/TR/2003/WD-semantic-interpretation-20030401/>
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SISR_WD20030401
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| SISR_1_0
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deriving (Show,Eq,Ord)
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data Optimization = OptStem | OptCSE | OptExpand | OptParametrize | OptValues
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deriving (Show,Eq,Ord)
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data Warning = WarnMissingLincat
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deriving (Show,Eq,Ord)
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data Dump = DumpRebuild | DumpExtend | DumpRename | DumpTypeCheck | DumpRefresh | DumpOptimize | DumpCanon
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deriving (Show,Eq,Ord)
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-- | Pretty-printing options
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data Printer = PrinterStrip -- ^ Remove name qualifiers.
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deriving (Show,Eq,Ord)
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data Recomp = AlwaysRecomp | RecompIfNewer | NeverRecomp
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deriving (Show,Eq,Ord)
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data ModuleFlags = ModuleFlags {
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optName :: Maybe String,
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optAbsName :: Maybe String,
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optCncName :: Maybe String,
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optResName :: Maybe String,
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optPreprocessors :: [String],
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optEncoding :: Encoding,
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optOptimizations :: Set Optimization,
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optLibraryPath :: [FilePath],
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optStartCat :: Maybe String,
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optSpeechLanguage :: Maybe String,
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optLexer :: Maybe String,
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optUnlexer :: Maybe String,
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optErasing :: Bool,
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optBuildParser :: Bool,
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optWarnings :: [Warning],
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optDump :: [Dump]
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}
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deriving (Show)
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data Flags = Flags {
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optMode :: Mode,
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optStopAfterPhase :: Phase,
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optVerbosity :: Verbosity,
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optShowCPUTime :: Bool,
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optEmitGFO :: Bool,
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optGFODir :: FilePath,
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optOutputFormats :: [OutputFormat],
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optSISR :: Maybe SISRFormat,
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optOutputFile :: Maybe FilePath,
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optOutputDir :: Maybe FilePath,
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optRecomp :: Recomp,
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optPrinter :: [Printer],
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optProb :: Bool,
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optRetainResource :: Bool,
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optModuleFlags :: ModuleFlags
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}
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deriving (Show)
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newtype Options = Options (Flags -> Flags)
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instance Show Options where
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show (Options o) = show (o defaultFlags)
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newtype ModuleOptions = ModuleOptions (ModuleFlags -> ModuleFlags)
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-- Option parsing
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parseOptions :: [String] -> Err (Options, [FilePath])
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parseOptions args
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| not (null errs) = errors errs
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| otherwise = do opts <- liftM concatOptions $ sequence optss
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return (opts, files)
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where (optss, files, errs) = getOpt RequireOrder optDescr args
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parseModuleOptions :: [String] -> Err ModuleOptions
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parseModuleOptions args
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| not (null errs) = errors errs
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| not (null files) = errors $ map ("Non-option among module options: " ++) files
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| otherwise = liftM concatModuleOptions $ sequence flags
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where (flags, files, errs) = getOpt RequireOrder moduleOptDescr args
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-- Showing options
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-- | Pretty-print the module options that are preserved in .gfo files.
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moduleOptionsGFO :: ModuleOptions -> [(String,String)]
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moduleOptionsGFO (ModuleOptions o) =
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maybe [] (\x -> [("language",x)]) (optSpeechLanguage mfs)
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++ maybe [] (\x -> [("startcat",x)]) (optStartCat mfs)
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-- ++ maybe [] (\x -> [("coding", e2s x)]) (Just (optEncoding mfs))
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++ (if optErasing mfs then [("erasing","on")] else [])
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where
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mfs = o defaultModuleFlags
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e2s e = maybe [] id $ lookup e [(s,e) | (e,s) <- encodings]
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-- Option manipulation
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noOptions :: Options
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noOptions = Options id
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addOptions :: Options -- ^ Existing options.
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-> Options -- ^ Options to add (these take preference).
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-> Options
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addOptions (Options o1) (Options o2) = Options (o2 . o1)
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concatOptions :: [Options] -> Options
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concatOptions = foldr addOptions noOptions
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moduleOptions :: ModuleOptions -> Options
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moduleOptions (ModuleOptions f) = Options (\o -> o { optModuleFlags = f (optModuleFlags o) })
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addModuleOptions :: ModuleOptions -- ^ Existing options.
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-> ModuleOptions -- ^ Options to add (these take preference).
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-> ModuleOptions
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addModuleOptions (ModuleOptions o1) (ModuleOptions o2) = ModuleOptions (o2 . o1)
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concatModuleOptions :: [ModuleOptions] -> ModuleOptions
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concatModuleOptions = foldr addModuleOptions noModuleOptions
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noModuleOptions :: ModuleOptions
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noModuleOptions = ModuleOptions id
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flag :: (Flags -> a) -> Options -> a
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flag f (Options o) = f (o defaultFlags)
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moduleFlag :: (ModuleFlags -> a) -> Options -> a
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moduleFlag f = flag (f . optModuleFlags)
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modifyFlags :: (Flags -> Flags) -> Options
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modifyFlags = Options
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modifyModuleFlags :: (ModuleFlags -> ModuleFlags) -> Options
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modifyModuleFlags = moduleOptions . ModuleOptions
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{-
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parseModuleFlags :: Options -> [(String,Maybe String)] -> Err ModuleOptions
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parseModuleFlags opts flags =
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mapM (uncurry (findFlag moduleOptDescr)) flags >>= foldM (flip ($)) (optModuleOptions opts)
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findFlag :: Monad m => [OptDescr a] -> String -> Maybe String -> m a
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findFlag opts n mv =
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case filter (`flagMatches` n) opts of
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[] -> fail $ "Unknown option: " ++ n
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[opt] -> flagValue opt n mv
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_ -> fail $ n ++ " matches multiple options."
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flagMatches :: OptDescr a -> String -> Bool
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flagMatches (Option cs ss _ _) n = n `elem` (map (:[]) cs ++ ss)
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flagValue :: Monad m => OptDescr a -> String -> Maybe String -> m a
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flagValue (Option _ _ arg _) n mv =
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case (arg, mv) of
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(NoArg x, Nothing) -> return x
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(NoArg _, Just _ ) -> fail $ "Option " ++ n ++ " does not take a value."
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(ReqArg _ _, Nothing) -> fail $ "Option " ++ n ++ " requires a value."
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(ReqArg f _, Just x ) -> return (f x)
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(OptArg f _, mx ) -> return (f mx)
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-}
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-- Default options
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defaultModuleFlags :: ModuleFlags
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defaultModuleFlags = ModuleFlags {
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optName = Nothing,
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optAbsName = Nothing,
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optCncName = Nothing,
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optResName = Nothing,
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optPreprocessors = [],
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optEncoding = ISO_8859_1,
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optOptimizations = Set.fromList [OptStem,OptCSE,OptExpand,OptParametrize,OptValues],
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optLibraryPath = [],
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optStartCat = Nothing,
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optSpeechLanguage = Nothing,
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optLexer = Nothing,
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optUnlexer = Nothing,
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optErasing = False,
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optBuildParser = True,
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optWarnings = [],
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optDump = []
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}
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defaultFlags :: Flags
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defaultFlags = Flags {
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optMode = ModeInteractive,
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optStopAfterPhase = Compile,
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optVerbosity = Normal,
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optShowCPUTime = False,
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optEmitGFO = True,
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optGFODir = ".",
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optOutputFormats = [FmtPGF],
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optSISR = Nothing,
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optOutputFile = Nothing,
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optOutputDir = Nothing,
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optRecomp = RecompIfNewer,
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optPrinter = [],
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optProb = False,
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optRetainResource = False,
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optModuleFlags = defaultModuleFlags
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}
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-- Option descriptions
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moduleOptDescr :: [OptDescr (Err ModuleOptions)]
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moduleOptDescr =
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[
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Option ['n'] ["name"] (ReqArg name "NAME")
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(unlines ["Use NAME as the name of the output. This is used in the output file names, ",
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"with suffixes depending on the formats, and, when relevant, ",
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"internally in the output."]),
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Option [] ["abs"] (ReqArg absName "NAME")
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("Use NAME as the name of the abstract syntax module generated from "
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++ "a grammar in GF 1 format."),
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Option [] ["cnc"] (ReqArg cncName "NAME")
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("Use NAME as the name of the concrete syntax module generated from "
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++ "a grammar in GF 1 format."),
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Option [] ["res"] (ReqArg resName "NAME")
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("Use NAME as the name of the resource module generated from "
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++ "a grammar in GF 1 format."),
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Option ['i'] [] (ReqArg addLibDir "DIR") "Add DIR to the library search path.",
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Option [] ["path"] (ReqArg setLibPath "DIR:DIR:...") "Set the library search path.",
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Option [] ["preproc"] (ReqArg preproc "CMD")
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(unlines ["Use CMD to preprocess input files.",
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"Multiple preprocessors can be used by giving this option multiple times."]),
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Option [] ["coding"] (ReqArg coding "ENCODING")
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("Character encoding of the source grammar, ENCODING = "
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++ concat (intersperse " | " (map fst encodings)) ++ "."),
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Option [] ["erasing"] (onOff erasing False) "Generate erasing grammar (default off).",
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Option [] ["parser"] (onOff parser True) "Build parser (default on).",
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Option [] ["startcat"] (ReqArg startcat "CAT") "Grammar start category.",
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Option [] ["language"] (ReqArg language "LANG") "Set the speech language flag to LANG in the generated grammar.",
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Option [] ["lexer"] (ReqArg lexer "LEXER") "Use lexer LEXER.",
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Option [] ["unlexer"] (ReqArg unlexer "UNLEXER") "Use unlexer UNLEXER.",
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Option [] ["optimize"] (ReqArg optimize "OPT")
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"Select an optimization package. OPT = all | values | parametrize | none",
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Option [] ["stem"] (onOff (toggleOptimize OptStem) True) "Perform stem-suffix analysis (default on).",
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Option [] ["cse"] (onOff (toggleOptimize OptCSE) True) "Perform common sub-expression elimination (default on).",
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dumpOption "rebuild" DumpRebuild,
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dumpOption "extend" DumpExtend,
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dumpOption "rename" DumpRename,
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dumpOption "tc" DumpTypeCheck,
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dumpOption "refresh" DumpRefresh,
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dumpOption "opt" DumpOptimize,
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dumpOption "canon" DumpCanon
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]
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where
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name x = set $ \o -> o { optName = Just x }
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absName x = set $ \o -> o { optAbsName = Just x }
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cncName x = set $ \o -> o { optCncName = Just x }
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resName x = set $ \o -> o { optResName = Just x }
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addLibDir x = set $ \o -> o { optLibraryPath = x:optLibraryPath o }
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setLibPath x = set $ \o -> o { optLibraryPath = splitInModuleSearchPath x }
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preproc x = set $ \o -> o { optPreprocessors = optPreprocessors o ++ [x] }
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coding x = case lookup x encodings of
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Just c -> set $ \o -> o { optEncoding = c }
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Nothing -> fail $ "Unknown character encoding: " ++ x
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erasing x = set $ \o -> o { optErasing = x }
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parser x = set $ \o -> o { optBuildParser = x }
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startcat x = set $ \o -> o { optStartCat = Just x }
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language x = set $ \o -> o { optSpeechLanguage = Just x }
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lexer x = set $ \o -> o { optLexer = Just x }
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unlexer x = set $ \o -> o { optUnlexer = Just x }
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optimize x = case lookup x optimizationPackages of
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Just p -> set $ \o -> o { optOptimizations = p }
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Nothing -> fail $ "Unknown optimization package: " ++ x
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toggleOptimize x b = set $ setOptimization' x b
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dumpOption s d = Option [] ["dump-"++s] (NoArg (set $ \o -> o { optDump = d:optDump o})) ("Dump output of the " ++ s ++ " phase.")
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set = return . ModuleOptions
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optDescr :: [OptDescr (Err Options)]
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optDescr =
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[
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Option ['?','h'] ["help"] (NoArg (mode ModeHelp)) "Show help message.",
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Option ['V'] ["version"] (NoArg (mode ModeVersion)) "Display GF version number.",
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Option ['v'] ["verbose"] (OptArg verbosity "N") "Set verbosity (default 1). -v alone is the same as -v 2.",
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Option ['q','s'] ["quiet"] (NoArg (verbosity (Just "0"))) "Quiet, same as -v 0.",
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Option [] ["batch"] (NoArg (mode ModeCompiler)) "Run in batch compiler mode.",
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Option [] ["interactive"] (NoArg (mode ModeInteractive)) "Run in interactive mode (default).",
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Option ['E'] [] (NoArg (phase Preproc)) "Stop after preprocessing (with --preproc).",
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Option ['C'] [] (NoArg (phase Convert)) "Stop after conversion to .gf.",
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Option ['c'] [] (NoArg (phase Compile)) "Stop after compiling to .gfo (default) .",
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Option [] ["make"] (NoArg (phase Link)) "Build .pgf file and other output files.",
|
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Option [] ["cpu"] (NoArg (cpu True)) "Show compilation CPU time statistics.",
|
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Option [] ["no-cpu"] (NoArg (cpu False)) "Don't show compilation CPU time statistics (default).",
|
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Option [] ["emit-gfo"] (NoArg (emitGFO True)) "Create .gfo files (default).",
|
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Option [] ["no-emit-gfo"] (NoArg (emitGFO False)) "Do not create .gfo files.",
|
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Option [] ["gfo-dir"] (ReqArg gfoDir "DIR") "Directory to put .gfo files in (default = '.').",
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Option ['f'] ["output-format"] (ReqArg outFmt "FMT")
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(unlines ["Output format. FMT can be one of:",
|
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"Multiple concrete: pgf (default), gar, js, ...",
|
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"Single concrete only: cf, bnf, lbnf, gsl, srgs_xml, srgs_abnf, ...",
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"Abstract only: haskell, ..."]),
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Option [] ["sisr"] (ReqArg sisrFmt "FMT")
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(unlines ["Include SISR tags in generated speech recognition grammars.",
|
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"FMT can be one of: old, 1.0"]),
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Option ['o'] ["output-file"] (ReqArg outFile "FILE")
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"Save output in FILE (default is out.X, where X depends on output format.",
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Option ['D'] ["output-dir"] (ReqArg outDir "DIR")
|
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"Save output files (other than .gfc files) in DIR.",
|
||||
Option [] ["src","force-recomp"] (NoArg (recomp AlwaysRecomp))
|
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"Always recompile from source.",
|
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Option [] ["gfo","recomp-if-newer"] (NoArg (recomp RecompIfNewer))
|
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"(default) Recompile from source if the source is newer than the .gfo file.",
|
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Option [] ["gfo","no-recomp"] (NoArg (recomp NeverRecomp))
|
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"Never recompile from source, if there is already .gfo file.",
|
||||
Option [] ["strip"] (NoArg (printer PrinterStrip))
|
||||
"Remove name qualifiers when pretty-printing.",
|
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Option [] ["retain"] (NoArg (set $ \o -> o { optRetainResource = True })) "Retain opers.",
|
||||
Option [] ["prob"] (NoArg (prob True)) "Read probabilities from '--# prob' pragmas."
|
||||
] ++ map (fmap (liftM moduleOptions)) moduleOptDescr
|
||||
where phase x = set $ \o -> o { optStopAfterPhase = x }
|
||||
mode x = set $ \o -> o { optMode = x }
|
||||
verbosity mv = case mv of
|
||||
Nothing -> set $ \o -> o { optVerbosity = Verbose }
|
||||
Just v -> case readMaybe v >>= toEnumBounded of
|
||||
Just i -> set $ \o -> o { optVerbosity = i }
|
||||
Nothing -> fail $ "Bad verbosity: " ++ show v
|
||||
cpu x = set $ \o -> o { optShowCPUTime = x }
|
||||
emitGFO x = set $ \o -> o { optEmitGFO = x }
|
||||
gfoDir x = set $ \o -> o { optGFODir = x }
|
||||
outFmt x = readOutputFormat x >>= \f ->
|
||||
set $ \o -> o { optOutputFormats = optOutputFormats o ++ [f] }
|
||||
sisrFmt x = case x of
|
||||
"old" -> set $ \o -> o { optSISR = Just SISR_WD20030401 }
|
||||
"1.0" -> set $ \o -> o { optSISR = Just SISR_1_0 }
|
||||
_ -> fail $ "Unknown SISR format: " ++ show x
|
||||
outFile x = set $ \o -> o { optOutputFile = Just x }
|
||||
outDir x = set $ \o -> o { optOutputDir = Just x }
|
||||
recomp x = set $ \o -> o { optRecomp = x }
|
||||
printer x = set $ \o -> o { optPrinter = x : optPrinter o }
|
||||
prob x = set $ \o -> o { optProb = x }
|
||||
|
||||
set = return . Options
|
||||
|
||||
outputFormats :: [(String,OutputFormat)]
|
||||
outputFormats =
|
||||
[("pgf", FmtPGF),
|
||||
("js", FmtJavaScript),
|
||||
("haskell", FmtHaskell),
|
||||
("haskell_gadt", FmtHaskell_GADT),
|
||||
("bnf", FmtBNF),
|
||||
("srgs_xml", FmtSRGS_XML),
|
||||
("srgs_abnf", FmtSRGS_ABNF),
|
||||
("jsgf", FmtJSGF),
|
||||
("gsl", FmtGSL),
|
||||
("vxml", FmtVoiceXML),
|
||||
("slf", FmtSLF),
|
||||
("regexp", FmtRegExp),
|
||||
("fa", FmtFA)]
|
||||
|
||||
instance Show OutputFormat where
|
||||
show = lookupShow outputFormats
|
||||
|
||||
instance Read OutputFormat where
|
||||
readsPrec = lookupReadsPrec outputFormats
|
||||
|
||||
optimizationPackages :: [(String, Set Optimization)]
|
||||
optimizationPackages =
|
||||
[("all_subs", Set.fromList [OptStem,OptCSE,OptExpand,OptParametrize,OptValues]), -- deprecated
|
||||
("all", Set.fromList [OptStem,OptCSE,OptExpand,OptParametrize,OptValues]),
|
||||
("values", Set.fromList [OptStem,OptCSE,OptExpand,OptValues]),
|
||||
("parametrize", Set.fromList [OptStem,OptCSE,OptExpand,OptParametrize]),
|
||||
("none", Set.fromList [OptStem,OptCSE,OptExpand]),
|
||||
("noexpand", Set.fromList [OptStem,OptCSE])]
|
||||
|
||||
encodings :: [(String,Encoding)]
|
||||
encodings =
|
||||
[("utf8", UTF_8),
|
||||
("cp1251", CP_1251),
|
||||
("latin1", ISO_8859_1)
|
||||
]
|
||||
|
||||
lookupShow :: Eq a => [(String,a)] -> a -> String
|
||||
lookupShow xs z = fromMaybe "lookupShow" $ lookup z [(y,x) | (x,y) <- xs]
|
||||
|
||||
lookupReadsPrec :: [(String,a)] -> Int -> ReadS a
|
||||
lookupReadsPrec xs _ s = [(z,rest) | (x,rest) <- lex s, (y,z) <- xs, y == x]
|
||||
|
||||
onOff :: Monad m => (Bool -> m a) -> Bool -> ArgDescr (m a)
|
||||
onOff f def = OptArg g "[on,off]"
|
||||
where g ma = maybe (return def) readOnOff ma >>= f
|
||||
readOnOff x = case map toLower x of
|
||||
"on" -> return True
|
||||
"off" -> return False
|
||||
_ -> fail $ "Expected [on,off], got: " ++ show x
|
||||
|
||||
readOutputFormat :: Monad m => String -> m OutputFormat
|
||||
readOutputFormat s =
|
||||
maybe (fail $ "Unknown output format: " ++ show s) return $ lookup s outputFormats
|
||||
|
||||
-- FIXME: this is a copy of the function in GF.Devel.UseIO.
|
||||
splitInModuleSearchPath :: String -> [FilePath]
|
||||
splitInModuleSearchPath s = case break isPathSep s of
|
||||
(f,_:cs) -> f : splitInModuleSearchPath cs
|
||||
(f,_) -> [f]
|
||||
where
|
||||
isPathSep :: Char -> Bool
|
||||
isPathSep c = c == ':' || c == ';'
|
||||
|
||||
--
|
||||
-- * Convenience functions for checking options
|
||||
--
|
||||
|
||||
verbAtLeast :: Options -> Verbosity -> Bool
|
||||
verbAtLeast opts v = flag optVerbosity opts >= v
|
||||
|
||||
dump :: Options -> Dump -> Bool
|
||||
dump opts d = moduleFlag ((d `elem`) . optDump) opts
|
||||
|
||||
--
|
||||
-- * Convenience functions for setting options
|
||||
--
|
||||
|
||||
setOptimization :: Optimization -> Bool -> Options
|
||||
setOptimization o b = modifyModuleFlags (setOptimization' o b)
|
||||
|
||||
setOptimization' :: Optimization -> Bool -> ModuleFlags -> ModuleFlags
|
||||
setOptimization' o b f = f { optOptimizations = g (optOptimizations f)}
|
||||
where g = if b then Set.insert o else Set.delete o
|
||||
|
||||
--
|
||||
-- * General utilities
|
||||
--
|
||||
|
||||
readMaybe :: Read a => String -> Maybe a
|
||||
readMaybe s = case reads s of
|
||||
[(x,"")] -> Just x
|
||||
_ -> Nothing
|
||||
|
||||
toEnumBounded :: (Bounded a, Enum a, Ord a) => Int -> Maybe a
|
||||
toEnumBounded i = let mi = minBound
|
||||
ma = maxBound `asTypeOf` mi
|
||||
in if i >= fromEnum mi && i <= fromEnum ma
|
||||
then Just (toEnum i `asTypeOf` mi)
|
||||
else Nothing
|
||||
|
||||
|
||||
instance Functor OptDescr where
|
||||
fmap f (Option cs ss d s) = Option cs ss (fmap f d) s
|
||||
|
||||
instance Functor ArgDescr where
|
||||
fmap f (NoArg x) = NoArg (f x)
|
||||
fmap f (ReqArg g s) = ReqArg (f . g) s
|
||||
fmap f (OptArg g s) = OptArg (f . g) s
|
||||
Reference in New Issue
Block a user