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|
module Build
( buildLibrary
)
where
import Control.Applicative ( (<|>) )
import Data.Char ( isAsciiLower
, isDigit
, toLower
)
import Data.List ( intercalate )
import qualified Data.Map as Map
import Data.Maybe ( fromMaybe
, mapMaybe
)
import Development.Shake ( FilePattern
, Change(ChangeModtimeAndDigest)
, cmd
, getDirectoryFilesIO
, liftIO
, need
, progressSimple
, shake
, shakeChange
, shakeColor
, shakeFiles
, shakeOptions
, shakeProgress
, shakeThreads
, want
, (<//>)
, (&%>)
, (%>)
)
import Development.Shake.FilePath ( dropExtension
, makeRelative
, (</>)
, (<.>)
, (-<.>)
)
import System.FilePath ( splitDirectories )
import Text.ParserCombinators.ReadP ( ReadP
, char
, eof
, many
, many1
, option
, readP_to_S
, satisfy
, skipSpaces
, string
)
type ModuleName = String
data LineContents = ModuleUsed ModuleName | Other
buildLibrary
:: FilePath
-> [FilePattern]
-> FilePath
-> FilePath
-> [String]
-> String
-> IO ()
buildLibrary libraryDirectory sourceExtensions buildDirectory compiler flags libraryName
= do
sourceFiles <- getDirectoriesFiles [libraryDirectory] sourceExtensions
let sourceFileLookupMap = createSourceFileLookupMap
buildDirectory
libraryDirectory
sourceFiles
let moduleLookupMap = createModuleLookupMap buildDirectory
libraryDirectory
sourceFiles
let archiveFile = buildDirectory </> libraryName <.> "a"
shake shakeOptions { shakeFiles = buildDirectory
, shakeChange = ChangeModtimeAndDigest
, shakeColor = True
, shakeThreads = 0
, shakeProgress = progressSimple
}
$ do
map (\ext -> buildDirectory </> "*" <.> ext) ["o", "mod"]
&%> \[objectFile, moduleFile] -> do
let
sourceFile = fromMaybe
undefined
(Map.lookup objectFile sourceFileLookupMap
)
need [sourceFile]
modulesUsed <- liftIO $ getModulesUsed sourceFile
let
moduleFilesNeeded = mapMaybe
(`Map.lookup` moduleLookupMap)
modulesUsed
need moduleFilesNeeded
cmd compiler
["-c", "-J" ++ buildDirectory]
flags
["-o", objectFile, sourceFile]
archiveFile %> \a -> do
let objectFiles = Map.keys sourceFileLookupMap
need objectFiles
cmd "ar" ["rs"] a objectFiles
want [archiveFile]
-- A little wrapper around getDirectoryFiles so we can get files from multiple directories
getDirectoriesFiles :: [FilePath] -> [FilePattern] -> IO [FilePath]
getDirectoriesFiles dirs exts = getDirectoryFilesIO "" newPatterns
where
newPatterns = concatMap appendExts dirs
appendExts dir = map ((dir <//> "*") ++) exts
createSourceFileLookupMap
:: FilePath -> FilePath -> [FilePath] -> Map.Map FilePath FilePath
createSourceFileLookupMap buildDirectory libraryDirectory sourceFiles = foldl
Map.union
Map.empty
(map (createSourceToObjectMap buildDirectory libraryDirectory) sourceFiles)
createModuleLookupMap
:: FilePath -> FilePath -> [FilePath] -> Map.Map ModuleName FilePath
createModuleLookupMap buildDirectory libraryDirectory sourceFiles = foldl
Map.union
Map.empty
(map (createSourceToModuleMap buildDirectory libraryDirectory) sourceFiles)
createSourceToModuleMap
:: FilePath -> FilePath -> FilePath -> Map.Map ModuleName FilePath
createSourceToModuleMap buildDirectory libraryDirectory sourceFile =
Map.singleton
(sourceFileToModuleName libraryDirectory sourceFile)
(sourceFileToModFile buildDirectory libraryDirectory sourceFile)
sourceFileToModuleName :: FilePath -> FilePath -> ModuleName
sourceFileToModuleName libraryDirectory sourceFile =
map toLower $ pathSeparatorsToUnderscores
(dropExtension (makeRelative libraryDirectory sourceFile))
createSourceToObjectMap
:: FilePath -> FilePath -> FilePath -> Map.Map FilePath FilePath
createSourceToObjectMap buildDirectory libraryDirectory sourceFile =
Map.singleton
(sourceFileToObjectFile buildDirectory libraryDirectory sourceFile)
sourceFile
sourceFileToObjectFile :: FilePath -> FilePath -> FilePath -> FilePath
sourceFileToObjectFile buildDirectory libraryDirectory sourceFile =
buildDirectory
</> pathSeparatorsToUnderscores
(makeRelative libraryDirectory sourceFile)
-<.> "o"
sourceFileToModFile :: FilePath -> FilePath -> FilePath -> FilePath
sourceFileToModFile buildDirectory libraryDirectory sourceFile =
buildDirectory
</> map
toLower
(pathSeparatorsToUnderscores
(makeRelative libraryDirectory sourceFile)
)
-<.> "mod"
pathSeparatorsToUnderscores :: FilePath -> FilePath
pathSeparatorsToUnderscores fileName =
intercalate "_" (splitDirectories fileName)
getModulesUsed :: FilePath -> IO [ModuleName]
getModulesUsed sourceFile = do
fileLines <- readFileLinesIO sourceFile
let lineContents = map parseFortranLine fileLines
return $ contentsToModuleNames lineContents
contentsToModuleNames :: [LineContents] -> [ModuleName]
contentsToModuleNames = mapMaybe contentToMaybeModuleName
where
contentToMaybeModuleName content = case content of
ModuleUsed moduleName -> Just moduleName
_ -> Nothing
readFileLinesIO :: FilePath -> IO [String]
readFileLinesIO file = do
contents <- readFile file
return $ lines contents
parseFortranLine :: String -> LineContents
parseFortranLine line =
let line' = map toLower line
result = readP_to_S doFortranLineParse line'
in getResult result
where
getResult (_ : (contents, _) : _) = contents
getResult [(contents, _) ] = contents
getResult [] = Other
doFortranLineParse :: ReadP LineContents
doFortranLineParse = option Other fortranUsefulContents
fortranUsefulContents :: ReadP LineContents
fortranUsefulContents = useStatement
useStatement :: ReadP LineContents
useStatement = do
skipSpaces
_ <- string "use"
skipAtLeastOneWhiteSpace
modName <- validIdentifier
skipSpaceCommaOrEnd
return $ ModuleUsed modName
skipAtLeastOneWhiteSpace :: ReadP ()
skipAtLeastOneWhiteSpace = do
_ <- many1 whiteSpace
return ()
skipSpaceOrEnd :: ReadP ()
skipSpaceOrEnd = eof <|> skipAtLeastOneWhiteSpace
skipSpaceCommaOrEnd :: ReadP ()
skipSpaceCommaOrEnd = eof <|> skipComma <|> skipAtLeastOneWhiteSpace
skipComma :: ReadP ()
skipComma = do
_ <- char ','
return ()
whiteSpace :: ReadP Char
whiteSpace = satisfy (`elem` " \t")
validIdentifier :: ReadP String
validIdentifier = do
first <- validFirstCharacter
rest <- many validIdentifierCharacter
return $ first : rest
validFirstCharacter :: ReadP Char
validFirstCharacter = alphabet
validIdentifierCharacter :: ReadP Char
validIdentifierCharacter = alphabet <|> digit <|> underscore
alphabet :: ReadP Char
alphabet = satisfy isAsciiLower
digit :: ReadP Char
digit = satisfy isDigit
underscore :: ReadP Char
underscore = char '_'
|
