initial import (v0.1)
This commit is contained in:
Kazu Yamamoto
commit
35f60507c6
241
GHCMod.hs
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241
GHCMod.hs
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@ -0,0 +1,241 @@
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module Main where
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import Control.Exception hiding (try)
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import Data.Char
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import Data.List
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import Language.Haskell.Exts.Extension
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import Language.Haskell.Exts.Parser hiding (parse)
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import Language.Haskell.Exts.Syntax
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import Prelude hiding (catch)
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import System.Console.GetOpt
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import System.Environment
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import System.IO
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import System.Process
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import Text.ParserCombinators.Parsec
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import Debug.Trace
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infixr 0 .$.
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(.$.) :: Show a => (a -> b) -> a -> b
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f .$. x = trace (show x) f x
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----------------------------------------------------------------
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usage :: String
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usage = "ghc-mod putStrLn version 0.1\n"
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++ "Usage:\n"
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++ "\t ghc-mod list\n"
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++ "\t ghc-mod browse <module>\n"
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++ "\t ghc-mod help\n"
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----------------------------------------------------------------
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data Options = Options { optToLisp :: Bool
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} deriving Show
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defaultOptions :: Options
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defaultOptions = Options { optToLisp = False
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}
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argspec :: [OptDescr (Options -> Options)]
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argspec = [ Option ['l'] ["tolisp"]
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(NoArg (\opts -> opts { optToLisp = True }))
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"print as a list of Lisp"
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]
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parseArgs :: [OptDescr (Options -> Options)] -> [String] -> (Options, [String])
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parseArgs spec argv
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= case getOpt Permute spec argv of
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(o,n,[] ) -> (foldl (flip id) defaultOptions o, n)
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(_,_,errs) -> error (concat errs ++ usageInfo usage argspec)
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----------------------------------------------------------------
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main :: IO ()
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main = flip catch handler $ do
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args <- getArgs
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let (opt,cmdArg) = parseArgs argspec args
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transform = if optToLisp opt then toLisp else toPlain
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ll <- case cmdArg !! 0 of
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cmd | cmd == "browse" -> browseModule $ cmdArg !! 1
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| cmd == "list" -> listModules
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_ -> error usage
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putStr $ transform $ nub $ sort $ ll
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where
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handler :: ErrorCall -> IO ()
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-- handler _ = print usage
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handler e = print e
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----------------------------------------------------------------
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browseModule :: String -> IO [String]
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browseModule mname = do
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xs <- getSyntax mname
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let ys = preprocess xs
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return $ parseSyntax ys
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getSyntax :: String -> IO String
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getSyntax mname = do
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(inp,out,_,_) <- runInteractiveProcess "ghci" [] Nothing Nothing
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mapM_ setFD [inp,out]
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hPutStrLn inp ":set prompt \"\""
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hPutStrLn inp "1"
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hPutStrLn inp $ ":browse " ++ mname
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hPutStrLn inp ":set prompt \"Prelude>\""
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hPutStrLn inp ":quit"
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cs <- hGetContents out
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return $ unlines $ dropTailer $ dropHeader $ lines $ cs
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where
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isNotPrefixOf x y = not (x `isPrefixOf` y)
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dropHeader xs = tail $ dropWhile (isNotPrefixOf "Prelude>") xs
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dropTailer = takeWhile (isNotPrefixOf "Prelude>")
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setFD h = do
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hSetBinaryMode h False
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hSetBuffering h LineBuffering
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parseSyntax :: String -> [String]
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parseSyntax xs = do
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let mode = defaultParseMode { extensions = NewQualifiedOperators : ExplicitForall : glasgowExts }
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res = parseModuleWithMode mode xs
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case res of
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ParseOk x -> identifiers x
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-- e -> error $ show e
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_ -> []
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----------------------------------------------------------------
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listModules :: IO [String]
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listModules = do
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cs <- getDump
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return $ exposedModules cs
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getDump :: IO String
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getDump = do
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(_,hout,_,_) <- runInteractiveProcess "ghc-pkg" ["dump"] Nothing Nothing
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hGetContents hout
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exposedModules :: String -> [String]
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exposedModules cs = let ls = unfoldLines cs
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ns = values "name: " ls
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ms = values "exposed-modules: " ls
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zs = zip ns ms
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xs = filter (\(nm,_) -> nm `notElem` ["ghc", "ghc-prim", "rts", "integer"]) zs
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ss = map snd xs
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in filter (\x -> not ("GHC" `isPrefixOf` x)) $ concatMap words ss
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values :: String -> [String] -> [String]
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values tag ls = let len = length tag
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fs = filter (tag `isPrefixOf`) ls
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in map (drop len) fs
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----------------------------------------------------------------
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unfoldLines :: String -> [String]
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unfoldLines xs = self xs
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where
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splitNL = break (== '\n')
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self "" = []
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self s = let (l, s') = splitNL s
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in case s' of
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[] -> [l]
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(_:' ':s'') -> cont s'' l
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(_:s'') -> l : self s''
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cont s a = let (l, s') = splitNL $ dropWhile (== ' ') s
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a' = a ++ " " ++ l
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in case s' of
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[] -> [a']
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(_:' ':s'') -> cont s'' a'
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(_:s'') -> a' : self s''
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toLisp :: [String] -> String
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toLisp ms = "(" ++ unwords quoted ++ ")\n"
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where
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quote x = "\"" ++ x ++ "\""
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quoted = map quote ms
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toPlain :: [String] -> String
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toPlain = unlines
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----------------------------------------------------------------
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preprocess :: String -> String
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preprocess cs = case parse remove "remove" cs of
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Right a -> a
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Left e -> error $ show e
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modName :: Parser String
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modName = do c <- oneOf ['A'..'Z']
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cs <- many1 $ oneOf $ ['A'..'Z'] ++ ['a'..'z'] ++ ['0'..'9'] ++ "_'#"
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return $ c:cs
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anyName :: Parser String
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anyName = many1 $ oneOf $ ['A'..'Z'] ++ ['a'..'z'] ++ ['0'..'9'] ++ "_'#"
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manyBefore :: Show tok => GenParser tok st a -> GenParser tok st [tok] -> GenParser tok st [a]
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manyBefore p anchor = manyTill p (eof <|> try anc)
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where
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anc = do pos <- getPosition
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s <- anchor
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ss <- getInput
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setInput $ s ++ ss
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setPosition pos
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return ()
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keyword :: Parser String
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keyword = do ms <- modName
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char '.'
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return $ ms ++ ['.']
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ghcName :: Parser String
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ghcName = do keyword
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try sep <|> end
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where
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sep = do
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ws <- sepBy1 anyName (char '.')
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return $ last ws
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end = do
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endBy1 anyName (char '.')
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return ""
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nonGhcName :: Parser String
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nonGhcName = do c <- anyChar -- making this func non-empty
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cs <- manyBefore anyChar keyword
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return $ c:cs
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remove :: Parser String
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remove = do l1 <- try ghcName <|> return ""
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l2 <- nonGhcName
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ll <- many (do x <- ghcName
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y <- nonGhcName
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return $ x ++ y)
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return $ concat $ l1 : l2 : ll
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----------------------------------------------------------------
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identifiers :: Module -> [String]
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identifiers (Module _ _ _ _ _ _ x) = filter hid $ concatMap decl x
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where
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hid = all (\c -> isAlphaNum c || elem c "_'")
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decl :: Decl -> [String]
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decl (TypeSig _ [x] _) = [name x]
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decl (DataDecl _ _ _ x _ y _) = name x : (map qualConDecl y)
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decl (ClassDecl _ _ x _ _ y) = name x : (map classDecl y)
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decl (TypeDecl _ x _ _) = [name x]
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decl x = [show x]
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qualConDecl :: QualConDecl -> String
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qualConDecl (QualConDecl _ _ _ x) = conDecl x
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conDecl :: ConDecl -> String
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conDecl (ConDecl (Ident x) _) = x
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conDecl (InfixConDecl _ (Ident x) _) = x
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conDecl x = show x
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classDecl :: ClassDecl -> String
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classDecl (ClsDecl x) = concat $ decl x -- xxx
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classDecl x = show x
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name :: Name -> String
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name (Symbol x) = x
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name (Ident x) = x
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16
elisp/Makefile
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16
elisp/Makefile
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SRCS = ghc.el ghc-func.el ghc-doc.el ghc-comp.el
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TEMPFILE = temp.el
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all: $(TEMPFILE) ghc.el
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emacs -batch -q -no-site-file -l ./$(TEMPFILE) -f ghc-compile
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$(TEMPFILE):
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@echo '(setq load-path (cons "." load-path))' >> $(TEMPFILE)
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@echo '(defun ghc-compile () (mapcar (lambda (x) (byte-compile-file x)) (list ' >> $(TEMPFILE)
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@echo $(SRCS)| sed -e 's/\(ghc[^ ]*\.el\)/"\1"/g' >> $(TEMPFILE)
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@echo ')))' >> $(TEMPFILE)
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clean:
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rm -f *.elc $(TEMPFILE)
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183
elisp/ghc-comp.el
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183
elisp/ghc-comp.el
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc-comp.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
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;; Created: Sep 25, 2009
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;;; Code:
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(require 'ghc-func)
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Customize Variables
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;;;
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(defvar ghc-module-command "ghc-mod")
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(defvar ghc-idle-timer-interval 30)
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;; must be sorted
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(defvar ghc-reserved-keyword-for-bol '("class" "data" "default" "import" "infix" "infixl" "infixr" "instance" "main" "module" "newtype" "type"))
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;; must be sorted
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(defvar ghc-reserved-keyword '("case" "deriving" "do" "else" "if" "in" "let" "module" "of" "then" "where"))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Initializer
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;;;
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(defvar ghc-module-names nil) ;; completion for "import"
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(defvar ghc-merged-keyword nil) ;; completion for type/func/...
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(defvar ghc-keyword-prefix "ghc-keyword-")
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(defvar ghc-keyword-Prelude nil)
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(defvar ghc-loaded-module nil)
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(defun ghc-comp-init ()
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(setq ghc-module-names (ghc-load-keyword "list"))
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(setq ghc-keyword-Prelude (ghc-load-keyword "browse" "Prelude"))
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(setq ghc-loaded-module '("Prelude"))
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(ghc-merge-keywords)
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(run-with-idle-timer ghc-idle-timer-interval 'repeat 'ghc-idle-timer))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Executing command
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;;;
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(defun ghc-load-keyword (&rest args)
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(when (ghc-which ghc-module-command)
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(ghc-read-lisp
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(lambda ()
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(let ((msg (mapconcat 'identity (cons ghc-module-command args) " ")))
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(message "Executing \"%s\"..." msg)
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(apply 'call-process-shell-command
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ghc-module-command nil t nil (cons "-l" args))
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(message "Executing \"%s\"...done" msg))))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Completion
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;;;
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(defvar ghc-completion-buffer-name "*Completions*")
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(defun ghc-complete ()
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(interactive)
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(if (ghc-should-scroll)
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(ghc-scroll-completion-buffer)
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(ghc-try-complete)))
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(defun ghc-should-scroll ()
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(let ((window (ghc-completion-window)))
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(and (eq last-command this-command)
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window (window-live-p window) (window-buffer window)
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(buffer-name (window-buffer window)))))
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(defun ghc-scroll-completion-buffer ()
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(let ((window (ghc-completion-window)))
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(with-current-buffer (window-buffer window)
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(if (pos-visible-in-window-p (point-max) window)
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(set-window-start window (point-min))
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(save-selected-window
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(select-window window)
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(scroll-up))))))
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(defun ghc-completion-window ()
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(get-buffer-window ghc-completion-buffer-name 0))
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(defun ghc-try-complete ()
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(let* ((end (point))
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(symbols (ghc-select-completion-symbol))
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(beg (ghc-completion-start-point))
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(pattern (buffer-substring-no-properties beg end))
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(completion (try-completion pattern symbols)))
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(cond
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((eq completion t) ;; completed
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) ;; do nothing
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((null completion) ;; no completions
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(ding))
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((not (string= pattern completion)) ;; ???
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(delete-region beg end)
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(insert completion)
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(delete-other-windows))
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(t ;; multiple completions
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(let* ((list0 (all-completions pattern symbols))
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(list (sort list0 'string<)))
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(if (> (length list) 1)
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(with-output-to-temp-buffer ghc-completion-buffer-name
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(display-completion-list list pattern))
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(delete-other-windows)))))))
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(defun ghc-select-completion-symbol ()
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(cond
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((or (minibufferp)
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(save-excursion
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(beginning-of-line)
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(looking-at "import ")))
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ghc-module-names)
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((or (bolp)
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(let ((end (point)))
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(save-excursion
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(beginning-of-line)
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(not (search-forward " " end t)))))
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ghc-reserved-keyword-for-bol)
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(t ghc-merged-keyword)))
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(defun ghc-completion-start-point ()
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(save-excursion
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(let ((beg (save-excursion (beginning-of-line) (point))))
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(if (search-backward " " beg t)
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(1+ (point))
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beg))))
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; Background Idle Timer
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;;;
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(defun ghc-idle-timer ()
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(let ((mods (ghc-gather-import-modules))
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keywords)
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(dolist (mod mods)
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(when (and (member mod ghc-module-names)
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(not (member mod ghc-loaded-module)))
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(setq keywords (ghc-load-keyword "browse" mod))
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(when (or (consp keywords) (null keywords))
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(set (intern (concat ghc-keyword-prefix mod)) keywords)
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(setq ghc-loaded-module (cons mod ghc-loaded-module)))))
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(ghc-merge-keywords)))
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(defun ghc-gather-import-modules ()
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(let ((bufs (mapcar 'buffer-name (buffer-list)))
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ret)
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(save-excursion
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(dolist (buf bufs)
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(when (string-match "\\.hs$" buf)
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(set-buffer buf)
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(setq ret (cons (ghc-gather-import-modules-buffer) ret)))))
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(ghc-uniq-lol ret)))
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(defun ghc-gather-import-modules-buffer ()
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(let (ret)
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(save-excursion
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(goto-char (point-min))
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(while (re-search-forward "^import *\\([^\n ]+\\)" nil t)
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(setq ret (cons (match-string-no-properties 1) ret))
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(forward-line)))
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ret))
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(defun ghc-merge-keywords ()
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(let* ((modkeys (mapcar 'ghc-module-keyword ghc-loaded-module))
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(keywords (cons ghc-reserved-keyword modkeys))
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(uniq-sorted (sort (ghc-uniq-lol keywords) 'string<)))
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(setq ghc-merged-keyword uniq-sorted)))
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(defun ghc-module-keyword (mod)
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(symbol-value (intern (concat ghc-keyword-prefix mod))))
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(provide 'ghc-comp)
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64
elisp/ghc-doc.el
Normal file
64
elisp/ghc-doc.el
Normal file
@ -0,0 +1,64 @@
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;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
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;;;
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;;; ghc.el
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;;;
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;; Author: Kazu Yamamoto <Kazu@Mew.org>
|
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;; Created: Sep 25, 2009
|
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|
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(require 'ghc-func)
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(require 'ghc-comp)
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;;; Code:
|
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|
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(defun ghc-browse-document ()
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(interactive)
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(let* ((mod0 (ghc-extract-module))
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(mod (ghc-read-module-name mod0))
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(pkg (ghc-resolve-package-name mod)))
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(ghc-display-document pkg mod)))
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(defun ghc-extract-module ()
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(interactive)
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(save-excursion
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(beginning-of-line)
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(when (looking-at "^import +\\([^ \n]+\\)")
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(match-string-no-properties 1))))
|
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(defun ghc-resolve-package-name (mod)
|
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(with-temp-buffer
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(call-process "ghc-pkg" nil t nil "find-module" "--simple-output" mod)
|
||||
(goto-char (point-min))
|
||||
(when (looking-at "^\\([^-]+\\)-")
|
||||
(match-string-no-properties 1))))
|
||||
|
||||
(defun ghc-resolve-document-path (pkg)
|
||||
(with-temp-buffer
|
||||
(call-process "ghc-pkg" nil t nil "field" pkg "haddock-html")
|
||||
(goto-char (point-min))
|
||||
(when (looking-at "^haddock-html: \\([^ \n]+\\)$")
|
||||
(match-string-no-properties 1))))
|
||||
|
||||
(defun ghc-display-document (pkg mod)
|
||||
(when (and pkg mod)
|
||||
(let* ((mod- (ghc-replace-character mod ?. ?-))
|
||||
(path (ghc-resolve-document-path pkg))
|
||||
(url (format "file://%s/%s.html" path mod-)))
|
||||
(browse-url url))))
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
|
||||
(defvar ghc-input-map nil)
|
||||
|
||||
(unless ghc-input-map
|
||||
(setq ghc-input-map
|
||||
(if (boundp 'minibuffer-local-map)
|
||||
(copy-keymap minibuffer-local-map)
|
||||
(make-sparse-keymap)))
|
||||
(define-key ghc-input-map "\t" 'ghc-complete))
|
||||
|
||||
(defun ghc-read-module-name (def)
|
||||
(read-from-minibuffer "Module name: " def ghc-input-map))
|
||||
|
||||
|
||||
(provide 'ghc-doc)
|
||||
41
elisp/ghc-func.el
Normal file
41
elisp/ghc-func.el
Normal file
@ -0,0 +1,41 @@
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;;
|
||||
;;; ghc-func.el
|
||||
;;;
|
||||
|
||||
;; Author: Kazu Yamamoto <Kazu@Mew.org>
|
||||
;; Created: Sep 25, 2009
|
||||
|
||||
;;; Code:
|
||||
|
||||
(defun ghc-replace-character (string from to)
|
||||
"Replace characters equal to FROM to TO in STRING."
|
||||
(dotimes (cnt (length string) string)
|
||||
(if (char-equal (aref string cnt) from)
|
||||
(aset string cnt to))))
|
||||
|
||||
(defun ghc-which (cmd)
|
||||
(catch 'loop
|
||||
(dolist (dir exec-path)
|
||||
(let ((path (expand-file-name cmd dir)))
|
||||
(if (file-exists-p path)
|
||||
(throw 'loop path))))))
|
||||
|
||||
(defun ghc-uniq-lol (lol)
|
||||
(let ((hash (make-hash-table :test 'equal))
|
||||
ret)
|
||||
(dolist (lst lol)
|
||||
(dolist (key lst)
|
||||
(puthash key key hash)))
|
||||
(maphash (lambda (key val) (setq ret (cons key ret))) hash)
|
||||
ret))
|
||||
|
||||
(defun ghc-read-lisp (func)
|
||||
(with-temp-buffer
|
||||
(funcall func)
|
||||
(goto-char (point-min))
|
||||
(condition-case nil
|
||||
(read (current-buffer))
|
||||
(error ()))))
|
||||
|
||||
(provide 'ghc-func)
|
||||
46
elisp/ghc.el
Normal file
46
elisp/ghc.el
Normal file
@ -0,0 +1,46 @@
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;;
|
||||
;;; ghc.el
|
||||
;;;
|
||||
|
||||
;; Author: Kazu Yamamoto <Kazu@Mew.org>
|
||||
;; Created: Sep 25, 2009
|
||||
;; Revised:
|
||||
|
||||
;; Put the following code to your "~/.emacs".
|
||||
;;
|
||||
;; (autoload 'ghc-init "ghc" nil t)
|
||||
;; (add-hook 'haskell-mode-hook (lambda () (ghc-init)))
|
||||
|
||||
;;; Code:
|
||||
|
||||
(defvar ghc-version "0.1")
|
||||
|
||||
;; (require 'haskell-mode)
|
||||
(require 'ghc-comp)
|
||||
(require 'ghc-doc)
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;;
|
||||
;;; Customize Variables
|
||||
;;;
|
||||
|
||||
(defvar ghc-completion-key "\e\t")
|
||||
(defvar ghc-document-key "\e\C-d")
|
||||
|
||||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||||
;;;
|
||||
;;; Initializer
|
||||
;;;
|
||||
|
||||
(defvar ghc-initialized nil)
|
||||
|
||||
(defun ghc-init ()
|
||||
(unless ghc-initialized
|
||||
(define-key haskell-mode-map ghc-completion-key 'ghc-complete)
|
||||
(define-key haskell-mode-map ghc-document-key 'ghc-browse-document)
|
||||
(ghc-comp-init)
|
||||
(setq ghc-initialized t)))
|
||||
|
||||
|
||||
|
||||
25
ghc-mod.cabal
Normal file
25
ghc-mod.cabal
Normal file
@ -0,0 +1,25 @@
|
||||
-- -*- mode: Text; indent-tabs-mode: nil; -*-
|
||||
Name: ghc-mod
|
||||
Version: 0.1
|
||||
Author: Kazu Yamamoto <kazu@Mew.org>
|
||||
Maintainer: Kazu Yamamoto <kazu@Mew.org>
|
||||
License: BSD3
|
||||
Homepage: http://www.mew.org/~kazu/
|
||||
Synopsis: Extracting names from modules
|
||||
Description: "ghc-mod" lists up all installed modules
|
||||
or extracts names of functions, classes,
|
||||
and data declarations. "ghc-mod" is a
|
||||
backend for completion on Emacs.
|
||||
Category: Development
|
||||
Cabal-Version: >= 1.2
|
||||
Build-Type: Simple
|
||||
Data-Dir: elisp
|
||||
Data-Files: Makefile ghc.el ghc-func.el ghc-doc.el ghc-comp.el
|
||||
Executable ghc-mod
|
||||
Main-Is: GHCMod.hs
|
||||
GHC-Options: -Wall
|
||||
Build-Depends: base >= 4.0,
|
||||
parsec >= 2.0.0.0,
|
||||
process >= 1.0,
|
||||
haskell-src-exts >= 1.0
|
||||
|
||||
Loading…
Reference in New Issue
Block a user