git.iko.soy/rowtype-yoga/purescript-native
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rowtype-yoga/purescript-native/src/Language/PureScript.hs
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1-----------------------------------------------------------------------------
2--
3-- Module : Language.PureScript
4-- Copyright : (c) Phil Freeman 2013
5-- License : MIT
6--
7-- Maintainer : Phil Freeman <paf31@cantab.net>
8-- Stability : experimental
9-- Portability :
10--
11-- |
12--
13-----------------------------------------------------------------------------
15module Language.PureScript (module P, compile) where
17import Language.PureScript.Values as P
18import Language.PureScript.Types as P
19import Language.PureScript.Kinds as P
20import Language.PureScript.Declarations as P
21import Language.PureScript.Names as P
22import Language.PureScript.Parser as P
23import Language.PureScript.CodeGen as P
24import Language.PureScript.TypeChecker as P
25import Language.PureScript.Pretty as P
26import Language.PureScript.Sugar as P
27import Language.PureScript.Options as P
29import Data.List (intercalate)
30import Control.Monad (when, forM)
31import Control.Applicative ((<$>))
32import qualified Data.Map as M
34compile :: Options -> [Module] -> Either String (String, String, Environment)
35compile opts ms = do
36 desugared <- desugar ms
37 (elaborated, env) <- runCheck $ forM desugared $ \(Module moduleName decls) -> Module moduleName <$> typeCheckAll (ModuleName moduleName) decls
38 let regrouped = createBindingGroupsModule . collapseBindingGroupsModule $ elaborated
39 let js = concatMap (flip (moduleToJs opts) env) $ regrouped
40 let exts = intercalate "\n" . map (flip moduleToPs env) $ regrouped
41 js' <- case () of
42 _ | optionsRunMain opts -> do
43 when ((ModuleName (ProperName "Main"), Ident "main") `M.notMember` (names env)) $
44 Left "Main.main is undefined"
45 return $ js ++ [JSApp (JSAccessor "main" (JSVar (Ident "Main"))) []]
46 | otherwise -> return js
47 return (prettyPrintJS js', exts, env)