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|
{-# LANGUAGE OverloadedStrings #-}
module Main where
import Build ( buildLibrary
, buildProgram
)
import Data.Text ( Text
, unpack
)
import qualified Data.Text.IO as TIO
import Development.Shake ( FilePattern
, (<//>)
, getDirectoryFilesIO
)
import Development.Shake.FilePath ( (</>) )
import Options.Applicative ( Parser
, (<**>)
, command
, execParser
, fullDesc
, info
, header
, helper
, progDesc
, subparser
)
import System.Directory ( doesDirectoryExist )
import Toml ( TomlCodec
, (.=)
)
import qualified Toml
newtype Arguments = Arguments { command' :: Command }
data TomlSettings = TomlSettings {
tomlSettingsCompiler :: !Text
, tomlSettingsProjectName :: !Text
, tomlSettingsDebugOptions :: ![Text]
, tomlSettingsLibrary :: !(Maybe Library) }
data AppSettings = AppSettings {
appSettingsCompiler :: !Text
, appSettingsProjectName :: !Text
, appSettingsDebugOptions :: ![Text]
, appSettingsLibrary :: !(Maybe Library) }
data Library = Library { librarySourceDir :: !Text }
data Command = Run | Test | Build
main :: IO ()
main = do
args <- getArguments
fpmContents <- TIO.readFile "fpm.toml"
let tomlSettings = Toml.decode settingsCodec fpmContents
case tomlSettings of
Left err -> print err
Right tomlSettings' -> do
appSettings <- toml2AppSettings tomlSettings'
app args appSettings
app :: Arguments -> AppSettings -> IO ()
app args settings = case command' args of
Run -> putStrLn "Run"
Test -> putStrLn "Test"
Build -> build settings
build :: AppSettings -> IO ()
build settings = do
putStrLn "Building"
let compiler = unpack $ appSettingsCompiler settings
let projectName = unpack $ appSettingsProjectName settings
let flags = map unpack $ appSettingsDebugOptions settings
case appSettingsLibrary settings of
Just librarySettings -> do
let librarySourceDir' = unpack $ librarySourceDir librarySettings
buildLibrary librarySourceDir'
[".f90", ".f", ".F", ".F90", ".f95", ".f03"]
("build" </> "library")
compiler
flags
projectName
[]
buildProgram "app"
["build" </> "library"]
[".f90", ".f", ".F", ".F90", ".f95", ".f03"]
("build" </> "app")
compiler
flags
projectName
"main.f90"
Nothing -> do
buildProgram "app"
[]
[".f90", ".f", ".F", ".F90", ".f95", ".f03"]
("build" </> "app")
compiler
flags
projectName
"main.f90"
getArguments :: IO Arguments
getArguments = execParser
(info
(arguments <**> helper)
(fullDesc <> progDesc "Work with Fortran projects" <> header
"fpm - A Fortran package manager and build system"
)
)
arguments :: Parser Arguments
arguments = subparser
( command "run" (info runArguments (progDesc "Run the executable"))
<> command "test" (info testArguments (progDesc "Run the tests"))
<> command "build" (info buildArguments (progDesc "Build the executable"))
)
runArguments :: Parser Arguments
runArguments = pure $ Arguments Run
testArguments :: Parser Arguments
testArguments = pure $ Arguments Test
buildArguments :: Parser Arguments
buildArguments = pure $ Arguments Build
getDirectoriesFiles :: [FilePath] -> [FilePattern] -> IO [FilePath]
getDirectoriesFiles dirs exts = getDirectoryFilesIO "" newPatterns
where
newPatterns = concatMap appendExts dirs
appendExts dir = map ((dir <//> "*") ++) exts
settingsCodec :: TomlCodec TomlSettings
settingsCodec =
TomlSettings
<$> Toml.text "compiler"
.= tomlSettingsCompiler
<*> Toml.text "name"
.= tomlSettingsProjectName
<*> Toml.arrayOf Toml._Text "debug-options"
.= tomlSettingsDebugOptions
<*> Toml.dioptional (Toml.table libraryCodec "library")
.= tomlSettingsLibrary
libraryCodec :: TomlCodec Library
libraryCodec = Library <$> Toml.text "source-dir" .= librarySourceDir
toml2AppSettings :: TomlSettings -> IO AppSettings
toml2AppSettings tomlSettings = do
librarySettings <- getLibrarySettings $ tomlSettingsLibrary tomlSettings
return AppSettings
{ appSettingsCompiler = tomlSettingsCompiler tomlSettings
, appSettingsProjectName = tomlSettingsProjectName tomlSettings
, appSettingsDebugOptions = tomlSettingsDebugOptions tomlSettings
, appSettingsLibrary = librarySettings
}
getLibrarySettings :: Maybe Library -> IO (Maybe Library)
getLibrarySettings maybeSettings = case maybeSettings of
Just settings -> return maybeSettings
Nothing -> do
defaultExists <- doesDirectoryExist "src"
if defaultExists
then return (Just (Library { librarySourceDir = "src" }))
else return Nothing
|
