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96 lines
2.7 KiB
Haskell
96 lines
2.7 KiB
Haskell
----------------------------------------------------------------------
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-- |
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-- Module : IDECommands
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-- Maintainer : AR
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/11/14 16:03:41 $
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-- > CVS $Author: aarne $
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-- > CVS $Revision: 1.2 $
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--
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-- Commands usable in grammar-writing IDE.
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-----------------------------------------------------------------------------
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module GF.IDE.IDECommands where
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import GF.Infra.Ident (Ident, identC)
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import GF.Compile.ShellState
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import qualified GF.Shell.ShellCommands as S
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import qualified GF.Shell.Commands as E
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import qualified GF.Shell.CommandL as PE
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import GF.UseGrammar.Session
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import GF.UseGrammar.Custom
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import GF.Grammar.PrGrammar
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import GF.Infra.Option
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import GF.Data.Operations
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import GF.Infra.Modules
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import GF.Infra.UseIO
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data IDEState = IDE {
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ideShellState :: ShellState,
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ideAbstract :: Maybe Ident,
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ideConcretes :: [Ident],
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ideCurrentCnc :: Maybe Ident,
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ideCurrentLin :: Maybe Ident, -- lin or lincat
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ideSState :: Maybe SState
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}
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emptyIDEState :: ShellState -> IDEState
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emptyIDEState shst = IDE shst Nothing [] Nothing Nothing Nothing
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data IDECommand =
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IDEInit
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| IDEAbstract Ident
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| IDEConcrete Ident
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| IDELin Ident
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| IDEShell String -- S.Command
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| IDEEdit String -- E.Command
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| IDEQuit
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| IDEVoid String -- the given command itself maybe
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execIDECommand :: IDECommand -> IDEState -> IOE IDEState
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execIDECommand c state = case c of
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IDEInit ->
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return $ emptyIDEState env
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IDEAbstract a ->
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return $ state {ideAbstract = Just a} ---- check a exists or import it
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IDEConcrete a ->
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return $ state {ideCurrentCnc = Just a} ---- check a exists or import it
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IDELin a ->
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return $ state {ideCurrentLin = Just a} ---- check a exists
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IDEEdit s ->
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execEdit s
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IDEShell s ->
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execShell s
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IDEVoid s -> ioeErr $ fail s
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_ -> ioeErr $ fail "command not implemented"
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where
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env = ideShellState state
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sstate = maybe initSState id $ ideSState state
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execShell s = execEdit $ "gf" +++ s
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execEdit s = ioeIO $ do
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(env',sstate') <- E.execCommand env (PE.pCommand s) sstate
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return $ state {ideShellState = env', ideSState = Just sstate'}
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putMsg = putStrLn ---- XML
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pCommands :: String -> [IDECommand]
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pCommands = map pCommand . concatMap (chunks ";;" . words) . lines
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pCommand :: [String] -> IDECommand
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pCommand ws = case ws of
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"gf" : s -> IDEShell $ unwords s
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"edit" : s -> IDEEdit $ unwords s
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"abstract" : a : _ -> IDEAbstract $ identC a
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"concrete" : a : _ -> IDEConcrete $ identC a
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"lin" : a : _ -> IDELin $ identC a
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"empty" : _ -> IDEInit
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"quit" : _ -> IDEQuit
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_ -> IDEVoid $ unwords ws
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