7826d00 · rowtype-yoga/purescript-native

README.md+3−3

compare with golang

unifiedsplit

@@ -6,9 +6,9 @@ PureScript is a small strongly, statically typed programming language with expre

6## Resources

7

8- [PureScript Book](https://leanpub.com/purescript/read)

9−- [Documentation](http://purescript.readthedocs.org/)

9+- [Wiki](http://wiki.purescript.org)

10−- [#purescript IRC @ FreeNode](irc://irc.freenode.net/#purescript)

10+- [#purescript IRC @ FreeNode](http://webchat.freenode.net/?channels=purescript)

11- [Twitter](http://twitter.com/purescript)

12- [Try PureScript!](http://try.purescript.org/)

13−- [Release Notes](https://github.com/purescript/purescript/blob/master/RELEASE-0.5.md)

13+- [Release Notes](https://github.com/purescript/purescript/blob/master/RELEASE-0.6.md)

14- [Contributing to PureScript](https://github.com/purescript/purescript/blob/master/CONTRIBUTING.md)

examples/passing/ReservedWords.pursnew file+13

@@ -0,0 +1,13 @@

1+-- See https://github.com/purescript/purescript/issues/606

2+module Main where

3+

4+ o :: { type :: String }

5+ o = { type: "o" }

6+

7+ p :: { type :: String }

8+ p = o { type = "p" }

9+

10+ f :: forall r. { type :: String | r } -> String

11+ f { type = "p" } = "Done"

12+

13+ main = Debug.Trace.trace $ f { type: p.type, foo: "bar" }

psc-docs/Main.hs+2−1

@@ -20,6 +20,7 @@ import Control.Monad.Writer

20import Control.Arrow (first)

21import Data.Function (on)

22import Data.List

23+import Data.Maybe (fromMaybe)

23import Data.Version (showVersion)

24import Data.Version (showVersion)

24import qualified Language.PureScript as P

25import qualified Language.PureScript as P

25import qualified Paths_purescript as Paths

26import qualified Paths_purescript as Paths

@@ -30,7 +31,7 @@ import System.IO (stderr)

30

31

31docgen :: Bool -> [FilePath] -> IO ()

32docgen :: Bool -> [FilePath] -> IO ()

32docgen showHierarchy input = do

33docgen showHierarchy input = do

33− e <- P.parseModulesFromFiles <$> mapM (fmap (first Just) . parseFile) (nub input)

34+ e <- P.parseModulesFromFiles (fromMaybe "") <$> mapM (fmap (first Just) . parseFile) (nub input)

34 case e of

35 case e of

35 Left err -> do

36 Left err -> do

36 U.hPutStr stderr $ show err

37 U.hPutStr stderr $ show err

psc-make/Main.hs+4−4

@@ -38,10 +38,10 @@ data InputOptions = InputOptions

38 , ioInputFiles :: [FilePath]

39 }

40

41−readInput :: InputOptions -> IO [(Maybe FilePath, String)]

41+readInput :: InputOptions -> IO [(Either P.RebuildPolicy FilePath, String)]

42readInput InputOptions{..} = do

43− content <- forM ioInputFiles $ \inputFile -> (Just inputFile, ) <$> U.readFile inputFile

43+ content <- forM ioInputFiles $ \inputFile -> (Right inputFile, ) <$> U.readFile inputFile

44− return $ bool ((Nothing, P.prelude) :) id ioNoPrelude content

44+ return $ bool ((Left P.RebuildNever, P.prelude) :) id ioNoPrelude content

45

46newtype Make a = Make { unMake :: ErrorT String IO a } deriving (Functor, Applicative, Monad, MonadIO, MonadError String)

47

@@ -69,7 +69,7 @@ instance P.MonadMake Make where

69

70compile :: [FilePath] -> FilePath -> P.Options P.Make -> Bool -> IO ()

71compile input outputDir opts usePrefix = do

72− modules <- P.parseModulesFromFiles <$> readInput (InputOptions (P.optionsNoPrelude opts) input)

72+ modules <- P.parseModulesFromFiles (either (const "") id) <$> readInput (InputOptions (P.optionsNoPrelude opts) input)

73 case modules of

74 Left err -> do

75 U.print err

psc/Main.hs+2−1

@@ -20,6 +20,7 @@ import Control.Applicative

20import Control.Monad.Error

21

22import Data.Bool (bool)

23+import Data.Maybe (fromMaybe)

23import Data.Version (showVersion)

24import Data.Version (showVersion)

24

25

25import System.Console.CmdTheLine

26import System.Console.CmdTheLine

@@ -46,7 +47,7 @@ readInput InputOptions{..}

46

47

47compile :: P.Options P.Compile -> Bool -> [FilePath] -> Maybe FilePath -> Maybe FilePath -> Bool -> IO ()

48compile :: P.Options P.Compile -> Bool -> [FilePath] -> Maybe FilePath -> Maybe FilePath -> Bool -> IO ()

48compile opts stdin input output externs usePrefix = do

49compile opts stdin input output externs usePrefix = do

49− modules <- P.parseModulesFromFiles <$> readInput (InputOptions (P.optionsNoPrelude opts) stdin input)

50+ modules <- P.parseModulesFromFiles (fromMaybe "") <$> readInput (InputOptions (P.optionsNoPrelude opts) stdin input)

50 case modules of

51 case modules of

51 Left err -> do

52 Left err -> do

52 U.hPutStr stderr $ show err

53 U.hPutStr stderr $ show err

psci/Main.hs+10−10

@@ -66,7 +66,7 @@ import qualified Language.PureScript.Declarations as D

66data PSCiState = PSCiState

67 { psciImportedFilenames :: [FilePath]

68 , psciImportedModuleNames :: [P.ModuleName]

69− , psciLoadedModules :: [(Maybe FilePath, P.Module)]

69+ , psciLoadedModules :: [(Either P.RebuildPolicy FilePath, P.Module)]

70 , psciLetBindings :: [P.Expr -> P.Expr]

71 }

72

@@ -87,7 +87,7 @@ updateImports name st = st { psciImportedModuleNames = name : psciImportedModule

87-- |

88-- Updates the state to have more loaded files.

89--

90−updateModules :: [(Maybe FilePath, P.Module)] -> PSCiState -> PSCiState

90+updateModules :: [(Either P.RebuildPolicy FilePath, P.Module)] -> PSCiState -> PSCiState

91updateModules modules st = st { psciLoadedModules = psciLoadedModules st ++ modules }

92

93-- |

@@ -130,12 +130,12 @@ loadModule filename = either (Left . show) Right . P.runIndentParser filename P.

130-- |

131-- Load all modules, including the Prelude

132--

133−loadAllModules :: [FilePath] -> IO (Either ParseError [(Maybe FilePath, P.Module)])

133+loadAllModules :: [FilePath] -> IO (Either ParseError [(Either P.RebuildPolicy FilePath, P.Module)])

134loadAllModules files = do

135 filesAndContent <- forM files $ \filename -> do

136 content <- U.readFile filename

137− return (Just filename, content)

137+ return (Right filename, content)

138− return $ P.parseModulesFromFiles $ (Nothing, P.prelude) : filesAndContent

138+ return $ P.parseModulesFromFiles (either (const "") id) $ (Left P.RebuildNever, P.prelude) : filesAndContent

139

140

141-- |

@@ -303,7 +303,7 @@ handleDeclaration :: P.Expr -> PSCI ()

303handleDeclaration value = do

304 st <- PSCI $ lift get

305 let m = createTemporaryModule True st value

306− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Nothing, m)]) []

306+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Left P.RebuildAlways, m)]) []

307 case e of

308 Left err -> PSCI $ outputStrLn err

309 Right _ -> do

@@ -343,7 +343,7 @@ handleImport :: P.ModuleName -> PSCI ()

343handleImport moduleName = do

344 st <- updateImports moduleName <$> PSCI (lift get)

345 let m = createTemporaryModuleForImports st

346− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Nothing, m)]) []

346+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Left P.RebuildAlways, m)]) []

347 case e of

348 Left err -> PSCI $ outputStrLn err

349 Right _ -> do

@@ -357,7 +357,7 @@ handleTypeOf :: P.Expr -> PSCI ()

357handleTypeOf value = do

358 st <- PSCI $ lift get

359 let m = createTemporaryModule False st value

360− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Nothing, m)]) []

360+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Left P.RebuildAlways, m)]) []

361 case e of

362 Left err -> PSCI $ outputStrLn err

363 Right env' ->

@@ -407,7 +407,7 @@ handleKindOf typ = do

407 st <- PSCI $ lift get

408 let m = createTemporaryModuleForKind st typ

409 mName = P.ModuleName [P.ProperName "$PSCI"]

410− e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Nothing, m)]) []

410+ e <- psciIO . runMake $ P.make modulesDir options (psciLoadedModules st ++ [(Left P.RebuildAlways, m)]) []

411 case e of

412 Left err -> PSCI $ outputStrLn err

413 Right env' ->

@@ -453,7 +453,7 @@ handleCommand (LoadFile filePath) = do

453 m <- psciIO $ loadModule absPath

454 case m of

455 Left err -> PSCI $ outputStrLn err

456− Right mods -> PSCI . lift $ modify (updateModules (map ((,) (Just absPath)) mods))

456+ Right mods -> PSCI . lift $ modify (updateModules (map ((,) (Right absPath)) mods))

457 else

458 PSCI . outputStrLn $ "Couldn't locate: " ++ filePath

459handleCommand Reset = do

purescript.cabal+1−1

@@ -1,5 +1,5 @@

1name: purescript

2−version: 0.6.0

2+version: 0.6.0.2

3cabal-version: >=1.8

4build-type: Simple

5license: MIT

src/Language/PureScript.hs+15−5

@@ -15,7 +15,7 @@

15

16{-# LANGUAGE DataKinds, QuasiQuotes, TemplateHaskell #-}

17

18−module Language.PureScript (module P, compile, compile', MonadMake(..), make, prelude) where

18+module Language.PureScript (module P, compile, compile', RebuildPolicy(..), MonadMake(..), make, prelude) where

19

20import Language.PureScript.Types as P

21import Language.PureScript.Kinds as P

@@ -133,13 +133,22 @@ class MonadMake m where

133 --

134 progress :: String -> m ()

135

136+-- |

137+-- Determines when to rebuild a module

138+--

139+data RebuildPolicy

140+ -- | Never rebuild this module

141+ = RebuildNever

142+ -- | Always rebuild this module

143+ | RebuildAlways deriving (Show, Eq, Ord)

144+

136-- |

145-- |

137-- Compiles in "make" mode, compiling each module separately to a js files and an externs file

146-- Compiles in "make" mode, compiling each module separately to a js files and an externs file

138--

147--

139-- If timestamps have not changed, the externs file can be used to provide the module's types without

148-- If timestamps have not changed, the externs file can be used to provide the module's types without

140-- having to typecheck the module again.

149-- having to typecheck the module again.

141--

150--

142−make :: (Functor m, Applicative m, Monad m, MonadMake m) => FilePath -> Options Make -> [(Maybe FilePath, Module)] -> [String] -> m Environment

151+make :: (Functor m, Applicative m, Monad m, MonadMake m) => FilePath -> Options Make -> [(Either RebuildPolicy FilePath, Module)] -> [String] -> m Environment

143make outputDir opts ms prefix = do

152make outputDir opts ms prefix = do

144 let filePathMap = M.fromList (map (\(fp, Module mn _ _) -> (mn, fp)) ms)

153 let filePathMap = M.fromList (map (\(fp, Module mn _ _) -> (mn, fp)) ms)

145

154

@@ -150,14 +159,15 @@ make outputDir opts ms prefix = do

150

159

151 jsFile = outputDir </> filePath </> "index.js"

160 jsFile = outputDir </> filePath </> "index.js"

152 externsFile = outputDir </> filePath </> "externs.purs"

161 externsFile = outputDir </> filePath </> "externs.purs"

153− inputFile = join $ M.lookup moduleName' filePathMap

162+ inputFile = fromMaybe (error "Module has no filename in 'make'") $ M.lookup moduleName' filePathMap

154

163

155 jsTimestamp <- getTimestamp jsFile

164 jsTimestamp <- getTimestamp jsFile

156 externsTimestamp <- getTimestamp externsFile

165 externsTimestamp <- getTimestamp externsFile

157− inputTimestamp <- join <$> traverse getTimestamp inputFile

166+ inputTimestamp <- traverse getTimestamp inputFile

158

167

159 return $ case (inputTimestamp, jsTimestamp, externsTimestamp) of

168 return $ case (inputTimestamp, jsTimestamp, externsTimestamp) of

160− (Just t1, Just t2, Just t3) | t1 < min t2 t3 -> s

169+ (Right (Just t1), Just t2, Just t3) | t1 < min t2 t3 -> s

170+ (Left RebuildNever, Just _, Just _) -> s

161 _ -> S.insert moduleName' s) S.empty sorted

171 _ -> S.insert moduleName' s) S.empty sorted

162

172

163 marked <- rebuildIfNecessary (reverseDependencies graph) toRebuild sorted

173 marked <- rebuildIfNecessary (reverseDependencies graph) toRebuild sorted

src/Language/PureScript/Parser/Common.hs+6

@@ -133,6 +133,12 @@ lexeme = PT.lexeme tokenParser

133identifier :: P.Parsec String u String

134identifier = PT.identifier tokenParser

135

136+-- |

137+-- Parse an identifier in a more permissive position

138+--

139+identifierName :: P.Parsec String u String

140+identifierName = lexeme $ (:) <$> identStart <*> many identLetter

141+

136-- |

142-- |

137-- Parse a reserved word

143-- Parse a reserved word

138--

144--

src/Language/PureScript/Parser/Declarations.hs+7−7

@@ -235,10 +235,10 @@ parseModule = do

235-- |

236-- Parse a collection of modules

237--

238−parseModulesFromFiles :: [(Maybe FilePath, String)] -> Either P.ParseError [(Maybe FilePath, Module)]

238+parseModulesFromFiles :: (k -> String) -> [(k, String)] -> Either P.ParseError [(k, Module)]

239−parseModulesFromFiles input =

239+parseModulesFromFiles toFilePath input =

240 fmap collect . forM input $ \(filename, content) -> do

241− ms <- runIndentParser (fromMaybe "" filename) parseModules content

241+ ms <- runIndentParser (toFilePath filename) parseModules content

242 return (filename, ms)

243 where

244 collect :: [(k, [v])] -> [(k, v)]

@@ -269,7 +269,7 @@ parseObjectLiteral :: P.Parsec String ParseState Expr

269parseObjectLiteral = ObjectLiteral <$> C.braces (C.commaSep parseIdentifierAndValue)

270

271parseIdentifierAndValue :: P.Parsec String ParseState (String, Expr)

272−parseIdentifierAndValue = (,) <$> (C.indented *> (C.identifier <|> C.stringLiteral) <* C.indented <* C.colon)

272+parseIdentifierAndValue = (,) <$> (C.indented *> (C.identifierName <|> C.stringLiteral) <* C.indented <* C.colon)

273 <*> (C.indented *> parseValue)

274

275parseAbs :: P.Parsec String ParseState Expr

@@ -332,14 +332,14 @@ parseValueAtom = P.choice

332

333parsePropertyUpdate :: P.Parsec String ParseState (String, Expr)

334parsePropertyUpdate = do

335− name <- C.lexeme (C.identifier <|> C.stringLiteral)

335+ name <- C.lexeme (C.identifierName <|> C.stringLiteral)

336 _ <- C.lexeme $ C.indented *> P.char '='

337 value <- C.indented *> parseValue

338 return (name, value)

339

340parseAccessor :: Expr -> P.Parsec String ParseState Expr

341parseAccessor (Constructor _) = P.unexpected "constructor"

342−parseAccessor obj = P.try $ Accessor <$> (C.indented *> C.dot *> P.notFollowedBy C.opLetter *> C.indented *> (C.identifier <|> C.stringLiteral)) <*> pure obj

342+parseAccessor obj = P.try $ Accessor <$> (C.indented *> C.dot *> P.notFollowedBy C.opLetter *> C.indented *> (C.identifierName <|> C.stringLiteral)) <*> pure obj

343

344parseDo :: P.Parsec String ParseState Expr

345parseDo = do

@@ -419,7 +419,7 @@ parseNullBinder = C.lexeme (P.char '_' *> P.notFollowedBy C.identLetter) *> retu

419

420parseIdentifierAndBinder :: P.Parsec String ParseState (String, Binder)

421parseIdentifierAndBinder = do

422− name <- C.lexeme (C.identifier <|> C.stringLiteral)

422+ name <- C.lexeme (C.identifierName <|> C.stringLiteral)

423 _ <- C.lexeme $ C.indented *> P.char '='

424 binder <- C.indented *> parseBinder

425 return (name, binder)

src/Language/PureScript/Parser/Types.hs+1−1

@@ -109,7 +109,7 @@ parsePolyType :: P.Parsec String ParseState Type

109parsePolyType = parseAnyType

110

111parseNameAndType :: P.Parsec String ParseState t -> P.Parsec String ParseState (String, t)

112−parseNameAndType p = (,) <$> (indented *> (identifier <|> stringLiteral) <* indented <* lexeme (P.string "::")) <*> p

112+parseNameAndType p = (,) <$> (indented *> (identifierName <|> stringLiteral) <* indented <* lexeme (P.string "::")) <*> p

113

114parseRowEnding :: P.Parsec String ParseState Type

115parseRowEnding = P.option REmpty (TypeVar <$> (lexeme (indented *> P.char '|') *> indented *> identifier))

tests/Main.hs+4−4

@@ -30,20 +30,20 @@ import System.Directory (getCurrentDirectory, getTemporaryDirectory, getDirector

30import Text.Parsec (ParseError)

31import qualified System.IO.UTF8 as U

32

33−readInput :: [FilePath] -> IO [(Maybe FilePath, String)]

33+readInput :: [FilePath] -> IO [(FilePath, String)]

34readInput inputFiles = forM inputFiles $ \inputFile -> do

35 text <- U.readFile inputFile

36− return (Just inputFile, text)

36+ return (inputFile, text)

37

38loadPrelude :: Either String (String, String, P.Environment)

39loadPrelude =

40− case P.parseModulesFromFiles [(Nothing, P.prelude)] of

40+ case P.parseModulesFromFiles id [("", P.prelude)] of

41 Left parseError -> Left (show parseError)

42 Right ms -> P.compile (P.defaultCompileOptions { P.optionsAdditional = P.CompileOptions "Tests" [] [] }) (map snd ms) []

43

44compile :: P.Options P.Compile -> [FilePath] -> IO (Either String (String, String, P.Environment))

45compile opts inputFiles = do

46− modules <- P.parseModulesFromFiles <$> readInput inputFiles

46+ modules <- P.parseModulesFromFiles id <$> readInput inputFiles

47 case modules of

48 Left parseError ->

49 return (Left $ show parseError)