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