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|
module Main where
import qualified GF
import Test.Tasty.Bench
import Control.Exception (catch)
import Control.Monad (filterM, unless, when)
import Data.Char (isAlphaNum, toLower, toUpper)
import System.Directory
( createDirectoryIfMissing
, doesDirectoryExist
, doesFileExist
, getCurrentDirectory
, removeFile
)
import System.Environment (lookupEnv, withArgs)
import System.FilePath ((</>), (<.>), splitSearchPath)
import System.FilePath (takeBaseName)
import System.IO.Error (isDoesNotExistError)
data BenchConfig = BenchConfig
{ benchLabel :: String
, benchOutputName :: String
, benchGfoDir :: FilePath
, benchPgfDir :: FilePath
, benchModules :: [FilePath]
, benchImportDirs :: [FilePath]
}
main :: IO ()
main = do
configs <- readBenchConfigs
mapM_ validateBenchConfig configs
mapM_ prepareOutputDirs configs
defaultMain
[ bgroup "GF compiler"
[ bench (benchLabel config) $ whnfIO (runCompiler config)
| config <- configs
]
]
readBenchConfigs :: IO [BenchConfig]
readBenchConfigs = do
cwd <- getCurrentDirectory
rglDir <- lookupEnvDefault "GF_BENCH_RGL_DIR" (".." </> "gf-rgl")
let benchDir = cwd </> "profile" </> "rgl-bench"
defaultImportDirs = [rglDir </> "src" </> "api"]
outputName <- lookupEnvDefault "GF_BENCH_NAME" "RGLBench"
gfoDir <- lookupEnvDefault "GF_BENCH_GFO_DIR" (benchDir </> "gfo")
pgfDir <- lookupEnvDefault "GF_BENCH_PGF_DIR" (benchDir </> "pgf")
importDirs <- lookupEnvList "GF_BENCH_IMPORT_DIRS" defaultImportDirs
customModules <- lookupEnvList "GF_BENCH_MODULES" []
return $
if null customModules
then map (defaultBenchConfig rglDir outputName gfoDir pgfDir importDirs)
defaultRGLBenchmarks
else customBenchConfigs outputName gfoDir pgfDir importDirs customModules
defaultRGLBenchmarks :: [(String, String, FilePath)]
defaultRGLBenchmarks =
[ ("English", "english", "english" </> "LangEng.gf")
, ("German", "german", "german" </> "LangGer.gf")
, ("French", "french", "french" </> "LangFre.gf")
, ("Russian", "russian", "russian" </> "LangRus.gf")
, ("Finnish", "finnish", "finnish" </> "LangFin.gf")
]
defaultBenchConfig
:: FilePath -> String -> FilePath -> FilePath -> [FilePath]
-> (String, String, FilePath)
-> BenchConfig
defaultBenchConfig rglDir outputName gfoDir pgfDir importDirs (language, slug, modulePath) =
BenchConfig
{ benchLabel = "RGL " ++ language ++ " compile/link"
, benchOutputName = outputNameFor outputName slug
, benchGfoDir = gfoDir </> slug
, benchPgfDir = pgfDir </> slug
, benchModules = [rglDir </> "src" </> modulePath]
, benchImportDirs = importDirs
}
customBenchConfigs :: String -> FilePath -> FilePath -> [FilePath] -> [FilePath] -> [BenchConfig]
customBenchConfigs outputName gfoDir pgfDir importDirs modules =
[ BenchConfig
{ benchLabel = "RGL " ++ takeBaseName modulePath ++ " compile/link"
, benchOutputName = caseOutputName modulePath
, benchGfoDir = caseDir gfoDir modulePath
, benchPgfDir = caseDir pgfDir modulePath
, benchModules = [modulePath]
, benchImportDirs = importDirs
}
| modulePath <- modules
]
where
multiple = length modules > 1
caseOutputName modulePath
| multiple = outputNameFor outputName (takeBaseName modulePath)
| otherwise = outputName
caseDir dir modulePath
| multiple = dir </> slugify (takeBaseName modulePath)
| otherwise = dir
lookupEnvDefault :: String -> String -> IO String
lookupEnvDefault key fallback = do
value <- lookupEnv key
return $ case value of
Just xs | not (null xs) -> xs
_ -> fallback
lookupEnvList :: String -> [FilePath] -> IO [FilePath]
lookupEnvList key fallback = do
value <- lookupEnv key
return $ case value of
Just xs | not (null xs) -> parsePathList xs
_ -> fallback
parsePathList :: String -> [FilePath]
parsePathList =
filter (not . null) . concatMap splitSearchPath . words
validateBenchConfig :: BenchConfig -> IO ()
validateBenchConfig config = do
when (null (benchModules config)) $
fail "GF_BENCH_MODULES did not contain any input modules."
missingModules <- filterM (fmap not . doesFileExist) (benchModules config)
unless (null missingModules) $
fail $ "Missing GF benchmark module(s): " ++ unwords missingModules
missingImportDirs <- filterM (fmap not . doesDirectoryExist) (benchImportDirs config)
unless (null missingImportDirs) $
fail $ "Missing GF benchmark import dir(s): " ++ unwords missingImportDirs
prepareOutputDirs :: BenchConfig -> IO ()
prepareOutputDirs config = do
createDirectoryIfMissing True (benchGfoDir config)
createDirectoryIfMissing True (benchPgfDir config)
runCompiler :: BenchConfig -> IO ()
runCompiler config = do
prepareOutputDirs config
removeFileIfExists (benchPgfDir config </> benchOutputName config <.> "pgf")
withArgs (compilerArgs config) GF.main
compilerArgs :: BenchConfig -> [String]
compilerArgs config =
[ "--make"
, "--quiet"
, "--src"
, "--preproc=mkPresent"
, "--gf-lib-path=" ++ benchGfoDir config
, "--gfo-dir=" ++ benchGfoDir config
, "--output-dir=" ++ benchPgfDir config
, "--name=" ++ benchOutputName config
]
++ concatMap (\dir -> ["-i", dir]) (benchImportDirs config)
++ benchModules config
removeFileIfExists :: FilePath -> IO ()
removeFileIfExists path =
removeFile path `catch` \err ->
unless (isDoesNotExistError err) (ioError err)
outputNameFor :: String -> String -> String
outputNameFor outputName slug = outputName ++ capitalize (filter isAlphaNum slug)
capitalize :: String -> String
capitalize [] = []
capitalize (x:xs) = toUpper x : xs
slugify :: String -> String
slugify = map clean
where
clean c
| isAlphaNum c = toLower c
| otherwise = '-'
|
