Files
newt/src/Main.idr
2024-10-31 22:17:22 -07:00

151 lines
4.0 KiB
Idris

module Main
-- import Control.App
import Control.Monad.Error.Either
import Control.Monad.Error.Interface
import Control.Monad.State
import Data.List
import Data.String
import Data.Vect
import Data.IORef
-- import Lib.Elab
import Lib.Compile
import Lib.Parser
-- import Lib.Parser.Impl
import Lib.Prettier
import Lib.ProcessDecl
import Lib.Token
import Lib.Tokenizer
import Lib.TopContext
import Lib.Types
import Lib.Syntax
import Lib.Syntax
import System
import System.Directory
import System.File
import System.Path
fail : String -> M a
fail msg = putStrLn msg >> exitFailure
dumpContext : TopContext -> M ()
dumpContext top = do
putStrLn "Context:"
go top.defs
putStrLn "---"
where
go : List TopEntry -> M ()
go [] = pure ()
go (x :: xs) = putStrLn " \{show x}" >> go xs
writeSource : String -> M ()
writeSource fn = do
docs <- compile
let src = unlines $ ["#!/usr/bin/env node"]
++ map (render 90) docs
++ [ "const PiType = (h0, h1) => ({ tag: \"PiType\", h0, h1 })"
, "main();"
]
Right _ <- writeFile fn src
| Left err => fail (show err)
Right _ <- chmodRaw fn 493 | Left err => fail (show err)
pure ()
||| New style loader, one def at a time
processModule : String -> List String -> String -> M String
processModule base stk name = do
top <- get
let False := elem name top.loaded | _ => pure ""
modify { loaded $= (name::) }
let fn = base ++ "/" ++ name ++ ".newt"
Right src <- readFile $ fn
| Left err => fail (show err)
let toks = tokenise src
let Right (modName, ops, toks) := partialParse parseModHeader top.ops toks
| Left err => fail (showError src err)
putStrLn "module \{modName}"
let True = name == modName
| _ => fail "ERROR at (0, 0): module name \{show modName} doesn't match file name \{show fn}"
let Right (imports, ops, toks) := partialParse parseImports ops toks
| Left err => fail (showError src err)
for_ imports $ \ (MkImport fc name') => do
-- we could use `fc` if it had a filename in it
when (name' `elem` stk) $ error emptyFC "import loop \{show name} -> \{show name'}"
processModule base (name :: stk) name'
top <- get
let Right (decls, ops, toks) := partialParse (manySame parseDecl) top.ops toks
| Left err => fail (showError src err)
let [] := toks
| (x :: xs) =>
fail (showError src (E (startBounds x.bounds) "extra toks")) -- FIXME FC from xs
modify { ops := ops }
putStrLn "process Decls"
Right _ <- tryError $ traverse_ processDecl (collectDecl decls)
| Left y => fail (showError src y)
pure src
processFile : String -> M ()
processFile fn = do
putStrLn "*** Process \{fn}"
let parts = splitPath fn
let file = fromMaybe "" $ last' parts
let dir = fromMaybe "./" $ parent fn
let (name,ext) = splitFileName (fromMaybe "" $ last' parts)
putStrLn "\{show dir} \{show name} \{show ext}"
src <- processModule dir [] name
top <- get
-- dumpContext top
[] <- readIORef top.errors
| errors => do
for_ errors $ \err =>
putStrLn (showError src err)
exitFailure
pure ()
cmdLine : List String -> M (Maybe String, List String)
cmdLine [] = pure (Nothing, [])
cmdLine ("-v" :: args) = do
modify { verbose := True }
cmdLine args
cmdLine ("-o" :: fn :: args) = do
(out, files) <- cmdLine args
pure (out <|> Just fn, files)
cmdLine (fn :: args) = do
let True := ".newt" `isSuffixOf` fn
| _ => error emptyFC "Bad argument \{show fn}"
(out, files) <- cmdLine args
pure $ (out, fn :: files)
main' : M ()
main' = do
(arg0 :: args) <- getArgs
| _ => error emptyFC "error reading args"
(out, files) <- cmdLine args
traverse_ processFile files
case out of
Nothing => pure ()
Just name => writeSource name
-- traverse_ processFile (filter (".newt" `isSuffixOf`) files) out
main : IO ()
main = do
-- we'll need to reset for each file, etc.
ctx <- empty
Right _ <- runEitherT $ runStateT ctx $ main'
| Left (E (c, r) str) => do
putStrLn "ERROR at (\{show c}, \{show r}): \{show str}"
exitFailure
putStrLn "done"