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|
----------------------------------------------------------------------
-- |
-- Module : (Module)
-- Maintainer : (Maintainer)
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/02/18 19:21:20 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.22 $
--
-- The datatype of shell commands and the list of their options.
-----------------------------------------------------------------------------
module ShellCommands where
import qualified Ident as I
import ShellState
import Custom
import PrGrammar
import Option
import Operations
import Modules
import Char (isDigit)
-- shell commands and their options
-- moved to separate module and added option check: AR 27/5/2004
--- TODO: single source for
--- (1) command interpreter (2) option check (3) help file
data Command =
CImport FilePath
| CRemoveLanguage Language
| CEmptyState
| CChangeMain (Maybe I.Ident)
| CStripState
| CTransformGrammar FilePath
| CConvertLatex FilePath
| CLinearize [()] ---- parameters
| CParse
| CTranslate Language Language
| CGenerateRandom
| CGenerateTrees
| CPutTerm
| CWrapTerm I.Ident
| CMorphoAnalyse
| CTestTokenizer
| CComputeConcrete String
| CShowOpers String
| CTranslationQuiz Language Language
| CTranslationList Language Language Int
| CMorphoQuiz
| CMorphoList Int
| CReadFile FilePath
| CWriteFile FilePath
| CAppendFile FilePath
| CSpeakAloud
| CPutString
| CShowTerm
| CSystemCommand String
| CSetFlag
| CSetLocalFlag Language
| CPrintGrammar
| CPrintGlobalOptions
| CPrintLanguages
| CPrintInformation I.Ident
| CPrintMultiGrammar
| CPrintSourceGrammar
| CShowGrammarGraph
| CPrintGramlet
| CPrintCanonXML
| CPrintCanonXMLStruct
| CPrintHistory
| CHelp (Maybe String)
| CImpure ImpureCommand
| CVoid
-- to isolate the commands that are executed on top level
data ImpureCommand =
ICQuit | ICExecuteHistory FilePath | ICEarlierCommand Int
| ICEditSession | ICTranslateSession
type CommandOpt = (Command, Options)
-- the top-level option warning action
checkOptions :: ShellState -> (Command,Options) -> IO ()
checkOptions sh (co, Opts opts) = do
let (_,s) = errVal ([],"option check failed") $ mapErr check opts
if (null s) then return ()
else putStr "WARNING: " >> putStrLn s
where
check = isValidOption sh co
isValidOption :: ShellState -> Command -> Option -> Err ()
isValidOption st co op = case op of
Opt (o,[]) ->
testErr (elem o $ optsOf co) ("invalid option:" +++ prOpt op)
Opt (o,[x]) -> do
testErr (elem o (flagsOf co)) ("invalid flag:" +++ o)
testValidFlag st co o x
_ -> Bad $ "impossible option" +++ prOpt op
where
optsOf co = ("tr" :) $ fst $ optionsOfCommand co
flagsOf co = snd $ optionsOfCommand co
testValidFlag :: ShellState -> Command -> OptFunId -> String -> Err ()
testValidFlag st co f x = case f of
"cat" -> testIn (map prQIdent_ (allCategories st))
"lang" -> testIn (map prt (allLanguages st))
"res" -> testIn (map prt (allResources (srcModules st)))
"number" -> testN
"printer" -> case co of
CPrintGrammar -> testInc customGrammarPrinter
CPrintMultiGrammar -> testInc customMultiGrammarPrinter
"lexer" -> testInc customTokenizer
"unlexer" -> testInc customUntokenizer
"depth" -> testN
"rawtrees"-> testN
"parser" -> testInc customParser
"alts" -> testN
"transform" -> testInc customTermCommand
"filter" -> testInc customStringCommand
"length" -> testN
"optimize"-> testIn $ words "parametrize values all share none"
_ -> return ()
where
testInc ci =
let vs = snd (customInfo ci) in testIn vs
testIn vs =
if elem x vs
then return ()
else Bad ("flag:" +++ f +++ "invalid value:" +++ x ++++
"possible values:" +++ unwords vs)
testN =
if all isDigit x
then return ()
else Bad ("flag:" +++ f +++ "invalid value:" +++ x ++++
"expected integer")
optionsOfCommand :: Command -> ([String],[String])
optionsOfCommand co = case co of
CImport _ -> both "old v s src retain nocf nocheckcirc cflexer noemit o"
"abs cnc res path optimize"
CRemoveLanguage _ -> none
CEmptyState -> none
CStripState -> none
CTransformGrammar _ -> flags "printer"
CConvertLatex _ -> none
CLinearize _ -> both "utf8 table struct record all" "lang number unlexer"
CParse -> both "new n ign raw v" "cat lang lexer parser number rawtrees"
CTranslate _ _ -> opts "cat lexer parser"
CGenerateRandom -> flags "cat lang number depth"
CGenerateTrees -> both "metas" "depth alts cat lang number"
CPutTerm -> flags "transform number"
CWrapTerm _ -> none
CMorphoAnalyse -> both "short" "lang"
CTestTokenizer -> flags "lexer"
CComputeConcrete _ -> flags "res"
CShowOpers _ -> flags "res"
CTranslationQuiz _ _ -> flags "cat"
CTranslationList _ _ _ -> flags "cat"
CMorphoQuiz -> flags "cat lang"
CMorphoList _ -> flags "cat lang"
CReadFile _ -> none
CWriteFile _ -> none
CAppendFile _ -> none
CSpeakAloud -> flags "language"
CPutString -> both "utf8" "filter length"
CShowTerm -> flags "printer"
CSystemCommand _ -> none
CPrintGrammar -> both "utf8" "printer lang"
CPrintMultiGrammar -> both "utf8" "printer"
CPrintSourceGrammar -> both "utf8" "printer"
CHelp _ -> opts "all filter length lexer unlexer printer transform depth number"
CImpure ICEditSession -> both "f" "file"
CImpure ICTranslateSession -> both "f langs" "cat"
_ -> none
{-
CSetFlag
CSetLocalFlag Language
CPrintGlobalOptions
CPrintLanguages
CPrintInformation I.Ident
CPrintGramlet
CPrintCanonXML
CPrintCanonXMLStruct
CPrintHistory
CVoid
-}
where
flags fs = ([],words fs)
opts fs = (words fs,[])
both os fs = (words os,words fs)
none = ([],[])
|
