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https://github.com/GrammaticalFramework/gf-core.git
synced 2026-04-23 11:42:49 -06:00
removed src for 2.9
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@@ -1,74 +0,0 @@
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module GF.Command.Interpreter (
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CommandEnv (..),
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interpretCommandLine
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) where
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import GF.Command.Commands
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import GF.Command.AbsGFShell hiding (Tree)
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import GF.Command.PPrTree
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import GF.Command.ParGFShell
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import GF.GFCC.API
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import GF.GFCC.Macros
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import GF.GFCC.DataGFCC
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import GF.Data.ErrM ----
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import qualified Data.Map as Map
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data CommandEnv = CommandEnv {
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multigrammar :: MultiGrammar,
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commands :: Map.Map String CommandInfo
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}
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interpretCommandLine :: CommandEnv -> String -> IO ()
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interpretCommandLine env line = case (pCommandLine (myLexer line)) of
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Ok CEmpty -> return ()
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Ok (CLine pipes) -> mapM_ interPipe pipes
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_ -> putStrLn "command not parsed"
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where
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interPipe (PComm cs) = do
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(_,s) <- intercs ([],"") cs
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putStrLn s
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intercs treess [] = return treess
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intercs (trees,_) (c:cs) = do
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treess2 <- interc trees c
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intercs treess2 cs
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interc = interpret env
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-- return the trees to be sent in pipe, and the output possibly printed
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interpret :: CommandEnv -> [Tree] -> Command -> IO CommandOutput
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interpret env trees0 comm = case lookCommand co comms of
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Just info -> do
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checkOpts info
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tss@(_,s) <- exec info opts trees
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optTrace s
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return tss
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_ -> do
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putStrLn $ "command " ++ co ++ " not interpreted"
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return ([],[])
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where
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optTrace = if isOpt "tr" opts then putStrLn else const (return ())
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(co,opts,trees) = getCommand comm trees0
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comms = commands env
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checkOpts info =
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case
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[o | OOpt (Ident o) <- opts, notElem o (options info)] ++
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[o | OFlag (Ident o) _ <- opts, notElem o (flags info)]
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of
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[] -> return ()
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[o] -> putStrLn $ "option not interpreted: " ++ o
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os -> putStrLn $ "options not interpreted: " ++ unwords os
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-- analyse command parse tree to a uniform datastructure, normalizing comm name
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getCommand :: Command -> [Tree] -> (String,[Option],[Tree])
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getCommand co ts = case co of
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Comm (Ident c) opts (ATree t) -> (getOp c,opts,[tree2exp t]) -- ignore piped
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CNoarg (Ident c) opts -> (getOp c,opts,ts) -- use piped
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where
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-- abbreviation convention from gf
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getOp s = case break (=='_') s of
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(a:_,_:b:_) -> [a,b] -- axx_byy --> ab
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_ -> case s of
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[a,b] -> s -- ab --> ab
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a:_ -> [a] -- axx --> a
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