rhiannon morris
03c197bd04
- without this, inside the body of `let x = e in …`, the typechecker would forget that `x = e` - now bound variables can reduce, if they have a definition, so RedexTest needs to take the context too
276 lines
6.9 KiB
Idris
276 lines
6.9 KiB
Idris
module Main
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import Quox.Syntax as Q
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import Quox.Parser
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import Quox.Definition as Q
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import Quox.Pretty
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import Quox.Untyped.Syntax as U
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import Quox.Untyped.Erase
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import Quox.Untyped.Scheme
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import Options
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import Data.IORef
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import Data.SortedSet
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import Text.Show.PrettyVal
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import Text.Show.Pretty
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import System
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import System.File
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import Control.Eff
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%hide Doc.(>>=)
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%hide Core.(>>=)
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private
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die : HasIO io => (opts : LayoutOpts) -> Doc opts -> io a
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die opts err = do
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ignore $ fPutStr stderr $ render opts err
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exitFailure
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private
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hlFor : HLType -> OutFile -> HL -> Highlight
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hlFor Guess Console = highlightSGR
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hlFor Guess _ = noHighlight
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hlFor NoHL _ = noHighlight
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hlFor Term _ = highlightSGR
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hlFor Html _ = highlightHtml
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private
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runPretty : Options -> Eff Pretty a -> a
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runPretty opts act =
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runPrettyWith Outer opts.flavor (hlFor opts.hlType opts.outFile) 2 act
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private
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putErrLn : HasIO io => String -> io ()
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putErrLn = ignore . fPutStrLn stderr
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private
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record State where
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constructor MkState
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seen : IORef SeenSet
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defs : IORef Q.Definitions
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ns : IORef Mods
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suf : IORef NameSuf
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%name Main.State state
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private
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newState : HasIO io => io State
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newState = pure $ MkState {
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seen = !(newIORef empty),
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defs = !(newIORef empty),
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ns = !(newIORef [<]),
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suf = !(newIORef 0)
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}
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private
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data Error =
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ParseError String Parser.Error
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| FromParserError FromParser.Error
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| EraseError Erase.Error
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| WriteError FilePath FileError
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| NoMain
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| MultipleMains (List Id)
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%hide FromParser.Error
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%hide Erase.Error
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%hide Lexer.Error
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%hide Parser.Error
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private
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loadError : Loc -> FilePath -> FileError -> Error
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loadError loc file err = FromParserError $ LoadError loc file err
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private
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prettyError : {opts : LayoutOpts} -> Error -> Eff Pretty (Doc opts)
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prettyError (ParseError file e) = prettyParseError file e
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prettyError (FromParserError e) = FromParser.prettyError True e
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prettyError (EraseError e) = Erase.prettyError True e
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prettyError NoMain = pure "no #[main] function given"
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prettyError (MultipleMains xs) =
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pure $ sep ["multiple #[main] functions given:",
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separateLoose "," !(traverse prettyId xs)]
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prettyError (WriteError file e) = pure $
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hangSingle 2 (text "couldn't write file \{file}:") (pshow e)
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private
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data CompileTag = OPTS | STATE
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private
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Compile : List (Type -> Type)
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Compile =
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[Except Error,
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ReaderL STATE State, ReaderL OPTS Options,
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LoadFile, IO]
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private
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runCompile : Options -> State -> Eff Compile a -> IO (Either Error a)
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runCompile opts state act =
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fromIOErr $ runEff act $ with Union.(::)
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[handleExcept (\e => ioLeft e),
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handleReaderConst state,
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handleReaderConst opts,
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handleLoadFileIOE loadError ParseError state.seen opts.include,
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liftIO]
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private
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data StopTag = STOP
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private
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CompileStop : List (Type -> Type)
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CompileStop = FailL STOP :: Compile
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private
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withEarlyStop : Has (FailL STOP) fs => Eff fs () -> Eff (fs - FailL STOP) ()
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withEarlyStop = ignore . runFailAt STOP
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private
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stopHere : Has (FailL STOP) fs => Eff fs ()
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stopHere = failAt STOP
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private
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FlexDoc : Type
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FlexDoc = {opts : LayoutOpts} -> Doc opts
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private
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outputStr : Lazy String -> Eff Compile ()
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outputStr str =
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case !(asksAt OPTS outFile) of
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NoOut => pure ()
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Console => putStr str
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File f => do
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res <- withFile f WriteTruncate pure $ \h => fPutStr h str
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rethrow $ mapFst (WriteError f) res
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private
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outputDocs : (opts : Options) ->
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({opts : LayoutOpts} -> List (Doc opts)) -> Eff Compile ()
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outputDocs opts doc =
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outputStr $ concat $ map (render (Opts opts.width)) doc
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private
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outputDocStopIf : Phase ->
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({opts : LayoutOpts} -> Eff Pretty (List (Doc opts))) ->
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Eff CompileStop ()
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outputDocStopIf p docs = do
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opts <- askAt OPTS
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when (opts.until == Just p) $ Prelude.do
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lift $ outputDocs !(askAt OPTS) (runPretty opts docs)
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stopHere
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private
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liftFromParser : Eff FromParserIO a -> Eff CompileStop a
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liftFromParser act =
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runEff act $ with Union.(::)
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[handleExcept $ \err => throw $ FromParserError err,
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handleStateIORef !(asksAt STATE defs),
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handleStateIORef !(asksAt STATE ns),
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handleStateIORef !(asksAt STATE suf),
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\g => send g]
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private
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liftErase : Q.Definitions -> Eff Erase a -> Eff CompileStop a
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liftErase defs act =
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runEff act
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[handleExcept $ \err => throw $ EraseError err,
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handleStateIORef !(asksAt STATE suf)]
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private
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liftScheme : Eff Scheme a -> Eff CompileStop (a, List Id)
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liftScheme act = do
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runEff [|MkPair act (getAt MAIN)|]
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[handleStateIORef !(newIORef empty),
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handleStateIORef !(newIORef [])]
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private
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oneMain : Has (Except Error) fs => List Id -> Eff fs Id
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oneMain [] = throw NoMain
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oneMain [x] = pure x
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oneMain mains = throw $ MultipleMains mains
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private
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processFile : String -> Eff Compile ()
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processFile file = withEarlyStop $ do
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Just ast <- loadFile noLoc file
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| Nothing => pure ()
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-- putErrLn "checking \{file}"
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when (!(asksAt OPTS until) == Just Parse) $ do
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lift $ outputStr $ show ast
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stopHere
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defList <- liftFromParser $ concat <$> traverse fromPTopLevel ast
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outputDocStopIf Check $
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traverse (uncurry Q.prettyDef) defList
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let defs = SortedMap.fromList defList
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erased <- liftErase defs $
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traverse (\(x, d) => (x,) <$> eraseDef defs x d) defList
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outputDocStopIf Erase $
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traverse (uncurry U.prettyDef) erased
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(scheme, mains) <- liftScheme $ map catMaybes $
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traverse (uncurry defToScheme) erased
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outputDocStopIf Scheme $
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intersperse empty <$> traverse prettySexp scheme
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opts <- askAt OPTS
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main <- oneMain mains
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lift $ outputDocs opts $ intersperse empty $ runPretty opts $ do
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res <- traverse prettySexp scheme
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runner <- makeRunMain main
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pure $ text Scheme.prelude :: res ++ [runner]
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export
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main : IO ()
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main = do
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(_, opts, files) <- options
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case !(runCompile opts !newState $ traverse_ processFile files) of
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Right () => pure ()
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Left e => die (Opts opts.width) $
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runPretty ({outFile := Console} opts) $
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prettyError e
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-----------------------------------
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{-
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private
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text : PrettyOpts -> List String
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text _ =
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["",
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#" ___ ___ _____ __ __"#,
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#"/ _ `/ // / _ \\ \ /"#,
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#"\_, /\_,_/\___/_\_\"#,
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#" /_/"#,
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""]
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private
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qtuwu : PrettyOpts -> List String
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qtuwu opts =
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if opts.unicode then
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[#" ___,-´⎠ "#,
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#"(·`──´ ◡ -´⎠"#,
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#" \/\/──´⎞/`──´ "#,
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#" ⎜⎟───,-₎ ⎞ "#,
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#" ⎝⎠ (‾‾) ⎟ "#,
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#" (‾‾‾) ⎟ "#]
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else
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[#" ___,-´/ "#,
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#"(.`--´ u -´/"#,
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#" \/\/--´|/`--´ "#,
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#" ||---,-, \ "#,
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#" `´ (--) | "#,
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#" (---) | "#]
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private
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join1 : PrettyOpts -> String -> String -> String
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join1 opts l r =
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if opts.color then
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" " <+> show (colored Green l) <+> " " <+> show (colored Magenta r)
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else
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" " <+> l <+> " " <+> r
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export
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banner : PrettyOpts -> String
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banner opts = unlines $ zipWith (join1 opts) (qtuwu opts) (text opts)
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-}
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