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forked from GitHub/gf-core

gfcm header

This commit is contained in:
aarne
2004-09-14 17:05:46 +00:00
parent 25f95fcfc3
commit 6c372cc599
27 changed files with 1350 additions and 883 deletions

View File

@@ -80,8 +80,8 @@ redInfo am (c,info) = errIn ("translating definition of" +++ prt c) $ do
returns c' $ C.AbsCat cont fs
AbsFun (Yes typ) pdf -> do
let df = case pdf of
Yes t -> t
_ -> EData --- data vs. primitive
Yes t -> t -- definition or "data"
_ -> Eqs [] -- primitive notion
returns c' $ C.AbsFun typ df
AbsTrans t ->
returns c' $ C.AbsTrans t

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@@ -119,7 +119,7 @@ updateShellState :: Options -> ShellState ->
Err ShellState
updateShellState opts sh ((_,sgr,gr),rts) = do
let cgr0 = M.updateMGrammar (canModules sh) gr
a' = ifNull Nothing (return . head) $ allAbstracts cgr0
a' = M.greatestAbstract cgr0
abstr0 <- case abstract sh of
Just a -> do
-- test that abstract is compatible --- unsafe exception for old?
@@ -128,7 +128,7 @@ updateShellState opts sh ((_,sgr,gr),rts) = do
return $ Just a
_ -> return a'
let cgr = filterAbstracts abstr0 cgr0
let concrs = maybe [] (allConcretes cgr) abstr0
let concrs = maybe [] (M.allConcretes cgr) abstr0
concr0 = ifNull Nothing (return . head) concrs
notInrts f = notElem f $ map fst rts
cfs <- mapM (canon2cf opts cgr) concrs --- would not need to update all...
@@ -217,37 +217,12 @@ grammar2stateGrammar opts gr = do
concr <- maybeErr "no concrete syntax" $ concrete st
return $ stateGrammarOfLang st concr
-- all abstract modules
allAbstracts :: CanonGrammar -> [Ident]
allAbstracts gr = [i | (i,M.ModMod m) <- M.modules gr, M.mtype m == M.MTAbstract]
-- the last abstract in dependency order (head of list)
greatestAbstract :: CanonGrammar -> Maybe Ident
greatestAbstract gr = case allAbstracts gr of
[] -> Nothing
a -> return $ head a
-- all resource modules
allResources :: G.SourceGrammar -> [Ident]
allResources gr = [i | (i,M.ModMod m) <- M.modules gr, M.isModRes m]
-- the greatest resource in dependency order
greatestResource :: G.SourceGrammar -> Maybe Ident
greatestResource gr = case allResources gr of
[] -> Nothing
a -> return $ head a
resourceOfShellState :: ShellState -> Maybe Ident
resourceOfShellState = greatestResource . srcModules
resourceOfShellState = M.greatestResource . srcModules
qualifTop :: StateGrammar -> G.QIdent -> G.QIdent
qualifTop gr (_,c) = (absId gr,c)
-- all concretes for a given abstract
allConcretes :: CanonGrammar -> Ident -> [Ident]
allConcretes gr a = [i | (i,M.ModMod m) <- M.modules gr, M.mtype m== M.MTConcrete a]
stateGrammarOfLang :: ShellState -> Language -> StateGrammar
stateGrammarOfLang st l = StGr {
absId = maybe (identC "Abs") id (abstract st), ---