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|
-----------------------------------------------------------------------------
--
-- Module : Main
-- Copyright : (c) Phil Freeman 2013
-- License : MIT
--
-- Maintainer : Phil Freeman <paf31@cantab.net>
-- Stability : experimental
-- Portability :
--
-- |
--
-----------------------------------------------------------------------------
{-# LANGUAGE DoAndIfThenElse #-}
module Main (main) where
import qualified Language.PureScript as P
import Data.List (isSuffixOf)
import Data.Traversable (traverse)
import Control.Monad
import Control.Monad.Trans.Maybe (MaybeT(..), runMaybeT)
import System.Exit
import System.Process
import System.FilePath (pathSeparator)
import System.Directory (getCurrentDirectory, getTemporaryDirectory, getDirectoryContents, findExecutable)
import Text.Parsec (ParseError)
import qualified Paths_purescript as Paths
import qualified System.IO.UTF8 as U
preludeFilename :: IO FilePath
preludeFilename = Paths.getDataFileName "prelude/prelude.purs"
readInput :: [FilePath] -> IO (Either ParseError [P.Module])
readInput inputFiles = fmap (fmap concat . sequence) $ forM inputFiles $ \inputFile -> do
text <- U.readFile inputFile
return $ P.runIndentParser inputFile P.parseModules text
compile :: P.Options -> [FilePath] -> IO (Either String (String, String, P.Environment))
compile opts inputFiles = do
modules <- readInput inputFiles
case modules of
Left parseError ->
return (Left $ show parseError)
Right ms -> return $ P.compile opts ms
assert :: FilePath -> P.Options -> FilePath -> (Either String (String, String, P.Environment) -> IO (Maybe String)) -> IO ()
assert preludeExterns opts inputFile f = do
e <- compile opts [preludeExterns, inputFile]
maybeErr <- f e
case maybeErr of
Just err -> putStrLn err >> exitFailure
Nothing -> return ()
assertCompiles :: String -> FilePath -> FilePath -> IO ()
assertCompiles preludeJs preludeExterns inputFile = do
putStrLn $ "Assert " ++ inputFile ++ " compiles successfully"
let options = P.defaultOptions { P.optionsMain = Just "Main", P.optionsModules = ["Main"], P.optionsCodeGenModules = ["Main"], P.optionsBrowserNamespace = Just "Tests" }
assert preludeExterns options inputFile $ either (return . Just) $ \(js, _, _) -> do
process <- findNodeProcess
putStrLn $ preludeJs ++ js
result <- traverse (\node -> readProcessWithExitCode node [] (preludeJs ++ js)) process
case result of
Just (ExitSuccess, out, _) -> putStrLn out >> return Nothing
Just (ExitFailure _, _, err) -> return $ Just err
Nothing -> return $ Just "Couldn't find node.js executable"
assertDoesNotCompile :: FilePath -> FilePath -> IO ()
assertDoesNotCompile preludeExterns inputFile = do
putStrLn $ "Assert " ++ inputFile ++ " does not compile"
assert preludeExterns (P.defaultOptions { P.optionsBrowserNamespace = Just "Tests" }) inputFile $ \e ->
case e of
Left _ -> return Nothing
Right _ -> return $ Just "Should not have compiled"
findNodeProcess :: IO (Maybe String)
findNodeProcess = runMaybeT . msum $ map (MaybeT . findExecutable) names
where names = ["nodejs", "node"]
main :: IO ()
main = do
prelude <- preludeFilename
putStrLn "Compiling Prelude"
preludeResult <- compile (P.defaultOptions { P.optionsBrowserNamespace = Just "Tests" }) [prelude]
case preludeResult of
Left err -> putStrLn err >> exitFailure
Right (preludeJs, exts, _) -> do
tmp <- getTemporaryDirectory
let preludeExterns = tmp ++ pathSeparator : "prelude.externs"
writeFile preludeExterns exts
putStrLn $ "Wrote " ++ preludeExterns
cd <- getCurrentDirectory
let examples = cd ++ pathSeparator : "examples"
let passing = examples ++ pathSeparator : "passing"
passingTestCases <- getDirectoryContents passing
forM_ passingTestCases $ \inputFile -> when (".purs" `isSuffixOf` inputFile) $
assertCompiles preludeJs preludeExterns (passing ++ pathSeparator : inputFile)
let failing = examples ++ pathSeparator : "failing"
failingTestCases <- getDirectoryContents failing
forM_ failingTestCases $ \inputFile -> when (".purs" `isSuffixOf` inputFile) $
assertDoesNotCompile preludeExterns (failing ++ pathSeparator : inputFile)
exitSuccess
|
