forked from GitHub/gf-core
Implemented lots of command-line options in GF.Devel.GFC.Options.
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bringert
@@ -1,6 +1,11 @@
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module GF.Devel.Options where
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import Control.Monad
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import Data.Maybe
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import System.Console.GetOpt
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import System.FilePath
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{-
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@@ -122,24 +127,142 @@ Set the speech language flag to LANG in the generated grammar.
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-}
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type ErrorMsg = String
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data Err a = Ok a | Errors [ErrorMsg]
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deriving (Read, Show, Eq)
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instance Monad Err where
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return = Ok
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fail e = Errors [e]
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Ok a >>= f = f a
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Errors s >>= f = Errors s
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errors :: [ErrorMsg] -> Err a
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errors = Errors
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data Mode = Version | Help | Compiler
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deriving (Show)
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data Phase = Preproc | Convert | Compile | Link
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deriving (Show)
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data OutputFormat = FmtGFCC | FmtJS
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deriving (Show)
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data Optimization = None
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deriving (Show)
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data Options = Options {
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optMode :: Mode,
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optStopAfterPhase :: Phase,
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optVerbosity :: Int,
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optShowCPUTime :: Bool
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optShowCPUTime :: Bool,
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optEmitGFC :: Bool,
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optGFCDir :: FilePath,
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optOutputFormat :: OutputFormat,
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optOutputFile :: Maybe FilePath,
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optLibraryPath :: [FilePath],
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optForceRecomp :: Bool,
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optPreprocessors :: [String],
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optOptimization :: Optimization,
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optProb :: Bool,
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optStartCategory :: Maybe String,
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optSpeechLanguage :: Maybe String
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}
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deriving (Show)
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defaultOptions :: Options
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defaultOptions = Options {
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optMode = Compiler,
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optStopAfterPhase = Link,
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optVerbosity = 1,
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optShowCPUTime = False
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optShowCPUTime = False,
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optEmitGFC = True,
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optGFCDir = ".",
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optOutputFormat = FmtGFCC,
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optOutputFile = Nothing,
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optLibraryPath = [],
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optForceRecomp = False,
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optPreprocessors = [],
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optOptimization = None,
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optProb = False,
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optStartCategory = Nothing,
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optSpeechLanguage = Nothing
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}
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optDescr :: [OptDescr (Options -> Options)]
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parseOptions :: [String] -> Err (Options, [FilePath])
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parseOptions args = do case errs of
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[] -> do o <- foldM (\o f -> f o) defaultOptions opts
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return (o, files)
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_ -> errors errs
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where (opts, files, errs) = getOpt RequireOrder optDescr args
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optDescr :: [OptDescr (Options -> Err Options)]
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optDescr =
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[
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Option ['E'] [] (phase Preproc) "Stop after preprocessing (with --preproc)"
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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 .gfc.",
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Option ['V'] ["version"] (NoArg (mode Version)) "Display GF version number.",
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Option ['?','h'] ["help"] (NoArg (mode Help)) "Show help message.",
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Option ['v'] ["verbose"] (OptArg verbosity "N") "Set verbosity (default 1). -v alone is the same as -v 3.",
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Option ['q'] ["quiet"] (NoArg (verbosity (Just "0"))) "Quiet, same as -v 0.",
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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-gfc"] (NoArg (emitGFC True)) "Create .gfc files (default).",
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Option [] ["no-emit-gfc"] (NoArg (emitGFC False)) "Do not create .gfc files.",
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Option [] ["gfc-dir"] (ReqArg gfcDir "DIR") "Directory to put .gfc 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: gfcc (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 ['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 ['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 [] ["src","force-recomp"] (NoArg (forceRecomp True))
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"Always recompile from source, i.e. disable recompilation checking.",
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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 ['O'] [] (OptArg optimize "OPT")
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"Perform the named optimization. Just -O means FIXME.",
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Option [] ["prob"] (NoArg (prob True)) "Read probabilities from '--# prob' pragmas.",
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Option [] ["startcat"] (ReqArg startcat "CAT") "Use CAT as the start category in the generated grammar.",
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Option [] ["language"] (ReqArg language "LANG") "Set the speech language flag to LANG in the generated grammar."
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]
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where phase p = NoArg (\o -> o { optStopAfterPhase = p })
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where phase x o = return $ o { optStopAfterPhase = x }
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mode x o = return $ o { optMode = x }
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verbosity mv o = case mv of
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Nothing -> return $ o { optVerbosity = 3 }
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Just v -> case reads v of
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[(i,"")] | i >= 0 -> return $ o { optVerbosity = i }
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_ -> fail $ "Bad verbosity: " ++ show v
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cpu x o = return $ o { optShowCPUTime = x }
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emitGFC x o = return $ o { optEmitGFC = x }
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gfcDir x o = return $ o { optGFCDir = x }
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outFmt x o = readOutputFormat x >>= \f -> return $ o { optOutputFormat = f }
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outFile x o = return $ o { optOutputFile = Just x }
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addLibDir x o = return $ o { optLibraryPath = x:optLibraryPath o }
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setLibPath x o = return $ o { optLibraryPath = splitSearchPath x }
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forceRecomp x o = return $ o { optForceRecomp = x }
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preproc x o = return $ o { optPreprocessors = optPreprocessors o ++ [x] }
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optimize x o = return $ o { optOptimization = None }
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prob x o = return $ o { optProb = x }
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startcat x o = return $ o { optStartCategory = Just x }
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language x o = return $ o { optSpeechLanguage = Just x }
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outputFormats :: [(String,OutputFormat)]
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outputFormats =
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[("gfcc", FmtGFCC),
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("js", FmtJS)]
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readOutputFormat :: Monad m => String -> m OutputFormat
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readOutputFormat s =
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maybe (fail $ "Unknown output format: " ++ show s) return $ lookup s outputFormats
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