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|
----------------------------------------------------------------------
-- |
-- Module : Information
-- Maintainer : AR
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/02/24 11:46:38 $
-- > CVS $Author: peb $
-- > CVS $Revision: 1.4 $
--
-- information on module, category, function, operation, parameter,...
-- AR 16\/9\/2003.
-- uses source grammar
-----------------------------------------------------------------------------
module Information (showInformation) where
import Grammar
import Ident
import Modules
import Option
import CF
import PPrCF
import ShellState
import PrGrammar
import Lookup
import qualified GFC
import qualified AbsGFC
import Operations
import UseIO
-- information on module, category, function, operation, parameter,... AR 16/9/2003
-- uses source grammar
-- | the top level function
showInformation :: Options -> ShellState -> Ident -> IOE ()
showInformation opts st c = do
is <- ioeErr $ getInformation opts st c
mapM_ (putStrLnE . prInformation opts c) is
-- | the data type of different kinds of information
data Information =
IModAbs SourceAbs
| IModRes SourceRes
| IModCnc SourceCnc
| IModule SourceAbs -- ^ to be deprecated
| ICatAbs Ident Context [Ident]
| ICatCnc Ident Type [CFRule] Term
| IFunAbs Ident Type (Maybe Term)
| IFunCnc Ident Type [CFRule] Term
| IOper Ident Type Term
| IParam Ident [Param] [Term]
| IValue Ident Type
type CatId = AbsGFC.CIdent
type FunId = AbsGFC.CIdent
prInformation :: Options -> Ident -> Information -> String
prInformation opts c i = unlines $ prt c : case i of
IModule m -> [
"module of type" +++ show (mtype m),
"extends" +++ show (extends m),
"opens" +++ show (opens m),
"defines" +++ unwords (map prt (ownConstants (jments m)))
]
ICatAbs m co _ -> [
"category in abstract module" +++ prt m,
"context" +++ prContext co
]
ICatCnc m ty cfs tr -> [
"category in concrete module" +++ prt m,
"linearization type" +++ prt ty
]
IFunAbs m ty _ -> [
"function in abstract module" +++ prt m,
"type" +++ prt ty
]
IFunCnc m ty cfs tr -> [
"function in concrete module" +++ prt m,
"linearization" +++ prt tr
--- "linearization type" +++ prt ty
]
IOper m ty tr -> [
"operation in resource module" +++ prt m,
"type" +++ prt ty,
"definition" +++ prt tr
]
IParam m ty ts -> [
"parameter type in resource module" +++ prt m,
"constructors" +++ unwords (map prParam ty),
"values" +++ unwords (map prt ts)
]
IValue m ty -> [
"parameter constructor in resource module" +++ prt m,
"type" +++ show ty
]
-- | also finds out if an identifier is defined in many places
getInformation :: Options -> ShellState -> Ident -> Err [Information]
getInformation opts st c = allChecks $ [
do
m <- lookupModule src c
case m of
ModMod mo -> return $ IModule mo
_ -> prtBad "not a source module" c
] ++ map lookInSrc ss ++ map lookInCan cs
where
lookInSrc (i,m) = do
j <- lookupInfo m c
case j of
AbsCat (Yes co) _ -> return $ ICatAbs i co [] ---
AbsFun (Yes ty) _ -> return $ IFunAbs i ty Nothing ---
CncCat (Yes ty) _ _ -> do
---- let cat = ident2CFCat i c
---- rs <- concat [rs | (c,rs) <- cf, ]
return $ ICatCnc i ty [] ty ---
CncFun _ (Yes tr) _ -> do
rs <- return []
return $ IFunCnc i tr rs tr ---
ResOper (Yes ty) (Yes tr) -> return $ IOper i ty tr
ResParam (Yes ps) -> do
ts <- allParamValues src (QC i c)
return $ IParam i ps ts
ResValue (Yes ty) -> return $ IValue i ty ---
_ -> prtBad "nothing available for" i
lookInCan (i,m) = do
Bad "nothing available yet in canonical"
src = srcModules st
can = canModules st
ss = [(i,m) | (i,ModMod m) <- modules src]
cs = [(i,m) | (i,ModMod m) <- modules can]
cf = concatMap ruleGroupsOfCF $ map snd $ cfs st
ownConstants :: BinTree (Ident, Info) -> [Ident]
ownConstants = map fst . filter isOwn . tree2list where
isOwn (c,i) = case i of
AnyInd _ _ -> False
_ -> True
|
