removed Canon/GFCC

This commit is contained in:
aarne
2007-10-05 13:38:10 +00:00
parent 074ef6e09f
commit a41b07f9c9
21 changed files with 0 additions and 2755 deletions

View File

@@ -1,70 +0,0 @@
module GF.Canon.GFCC.AbsGFCC where
-- Haskell module generated by the BNF converter
newtype CId = CId String deriving (Eq,Ord,Show)
data Grammar =
Grm Header Abstract [Concrete]
deriving (Eq,Ord,Show)
data Header =
Hdr CId [CId]
deriving (Eq,Ord,Show)
data Abstract =
Abs [AbsDef]
deriving (Eq,Ord,Show)
data Concrete =
Cnc CId [CncDef]
deriving (Eq,Ord,Show)
data AbsDef =
Fun CId Type Exp
deriving (Eq,Ord,Show)
data CncDef =
Lin CId Term
deriving (Eq,Ord,Show)
data Type =
Typ [CId] CId
deriving (Eq,Ord,Show)
data Exp =
Tr Atom [Exp]
deriving (Eq,Ord,Show)
data Atom =
AC CId
| AS String
| AI Integer
| AF Double
| AM
deriving (Eq,Ord,Show)
data Term =
R [Term]
| P Term Term
| S [Term]
| K Tokn
| V Int
| C Int
| F CId
| FV [Term]
| W String Term
| RP Term Term
| TM
| L CId Term
| BV CId
deriving (Eq,Ord,Show)
data Tokn =
KS String
| KP [String] [Variant]
deriving (Eq,Ord,Show)
data Variant =
Var [String] [String]
deriving (Eq,Ord,Show)

View File

@@ -1,170 +0,0 @@
module GF.Canon.GFCC.CheckGFCC where
import GF.Canon.GFCC.DataGFCC
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.PrintGFCC
import GF.Canon.GFCC.ErrM
import qualified Data.Map as Map
import Control.Monad
andMapM :: Monad m => (a -> m Bool) -> [a] -> m Bool
andMapM f xs = mapM f xs >>= return . and
labelBoolIO :: String -> IO (x,Bool) -> IO (x,Bool)
labelBoolIO msg iob = do
(x,b) <- iob
if b then return (x,b) else (putStrLn msg >> return (x,b))
checkGFCC :: GFCC -> IO (GFCC,Bool)
checkGFCC gfcc = do
(cs,bs) <- mapM (checkConcrete gfcc)
(Map.assocs (concretes gfcc)) >>= return . unzip
return (gfcc {concretes = Map.fromAscList cs}, and bs)
checkConcrete :: GFCC -> (CId,Concr) -> IO ((CId,Concr),Bool)
checkConcrete gfcc (lang,cnc) =
labelBoolIO ("happened in language " ++ printTree lang) $ do
(rs,bs) <- mapM checkl (Map.assocs cnc) >>= return . unzip
return ((lang,Map.fromAscList rs),and bs)
where
checkl r@(CId f,_) = case head f of
'_' -> return (r,True)
_ -> checkLin gfcc lang r
checkLin :: GFCC -> CId -> (CId,Term) -> IO ((CId,Term),Bool)
checkLin gfcc lang (f,t) =
labelBoolIO ("happened in function " ++ printTree f) $ do
(t',b) <- checkTerm (lintype gfcc lang f) t --- $ inline gfcc lang t
return ((f,t'),b)
inferTerm :: [Tpe] -> Term -> Err (Term,Tpe)
inferTerm args trm = case trm of
K _ -> returnt str
C i -> returnt $ ints i
V i -> do
testErr (i < length args) ("too large index " ++ show i)
returnt $ args !! i
S ts -> do
(ts',tys) <- mapM infer ts >>= return . unzip
let tys' = filter (/=str) tys
testErr (null tys')
("expected Str in " ++ prt trm ++ " not " ++ unwords (map prt tys'))
return (S ts',str)
R ts -> do
(ts',tys) <- mapM infer ts >>= return . unzip
return $ (R ts',tuple tys)
P t u -> do
(t',tt) <- infer t
(u',tu) <- infer u
case tt of
R tys -> case tu of
R vs -> infer $ foldl P t' [P u' (C i) | i <- [0 .. length vs - 1]]
--- R [v] -> infer $ P t v
--- R (v:vs) -> infer $ P (head tys) (R vs)
C i -> do
testErr (i < length tys)
("required more than " ++ show i ++ " fields in " ++ prt (R tys))
return (P t' u', tys !! i) -- record: index must be known
_ -> do
let typ = head tys
testErr (all (==typ) tys) ("different types in table " ++ prt trm)
return (P t' u', typ) -- table: types must be same
_ -> Bad $ "projection from " ++ prt t ++ " : " ++ prt tt
FV [] -> returnt str ----
FV (t:ts) -> do
(t',ty) <- infer t
(ts',tys) <- mapM infer ts >>= return . unzip
testErr (all (==ty) tys) ("different types in variants " ++ prt trm)
return (FV (t':ts'),ty)
W s r -> infer r
_ -> Bad ("no type inference for " ++ prt trm)
where
returnt ty = return (trm,ty)
infer = inferTerm args
prt = printTree
checkTerm :: LinType -> Term -> IO (Term,Bool)
checkTerm (args,val) trm = case inferTerm args trm of
Ok (t,ty) -> if eqType ty val
then return (t,True)
else do
putStrLn $ "term: " ++ printTree trm ++
"\nexpected type: " ++ printTree val ++
"\ninferred type: " ++ printTree ty
return (t,False)
Bad s -> do
putStrLn s
return (trm,False)
eqType :: Tpe -> Tpe -> Bool
eqType inf exp = case (inf,exp) of
(C k, C n) -> k <= n -- only run-time corr.
(R rs,R ts) -> length rs == length ts && and [eqType r t | (r,t) <- zip rs ts]
_ -> inf == exp
-- should be in a generic module, but not in the run-time DataGFCC
type Tpe = Term
type LinType = ([Tpe],Tpe)
tuple :: [Tpe] -> Tpe
tuple = R
ints :: Int -> Tpe
ints = C
str :: Tpe
str = S []
lintype :: GFCC -> CId -> CId -> LinType
lintype gfcc lang fun = case lookType gfcc fun of
Typ cs c -> (map linc cs, linc c)
where
linc = lookLincat gfcc lang
lookLincat :: GFCC -> CId -> CId -> Term
lookLincat gfcc lang (CId cat) = lookLin gfcc lang (CId ("__" ++ cat))
linRules :: Map.Map CId Term -> [(CId,Term)]
linRules cnc = [(f,t) | (f@(CId (c:_)),t) <- Map.assocs cnc, c /= '_'] ----
inline :: GFCC -> CId -> Term -> Term
inline gfcc lang t = case t of
F c -> inl $ look c
_ -> composSafeOp inl t
where
inl = inline gfcc lang
look = lookLin gfcc lang
composOp :: Monad m => (Term -> m Term) -> Term -> m Term
composOp f trm = case trm of
R ts -> liftM R $ mapM f ts
S ts -> liftM S $ mapM f ts
FV ts -> liftM FV $ mapM f ts
P t u -> liftM2 P (f t) (f u)
W s t -> liftM (W s) $ f t
_ -> return trm
composSafeOp :: (Term -> Term) -> Term -> Term
composSafeOp f = maybe undefined id . composOp (return . f)
-- from GF.Data.Oper
maybeErr :: String -> Maybe a -> Err a
maybeErr s = maybe (Bad s) Ok
testErr :: Bool -> String -> Err ()
testErr cond msg = if cond then return () else Bad msg
errVal :: a -> Err a -> a
errVal a = err (const a) id
errIn :: String -> Err a -> Err a
errIn msg = err (\s -> Bad (s ++ "\nOCCURRED IN\n" ++ msg)) return
err :: (String -> b) -> (a -> b) -> Err a -> b
err d f e = case e of
Ok a -> f a
Bad s -> d s

View File

@@ -1,148 +0,0 @@
module GF.Canon.GFCC.DataGFCC where
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.PrintGFCC
import Data.Map
import Data.List
import Debug.Trace ----
data GFCC = GFCC {
absname :: CId ,
cncnames :: [CId] ,
abstract :: Abstr ,
concretes :: Map CId Concr
}
-- redundant double representation for fast lookup
data Abstr = Abstr {
funs :: Map CId Type, -- find the type of a fun
cats :: Map CId [CId] -- find the funs giving a cat
}
statGFCC :: GFCC -> String
statGFCC gfcc = unlines [
"Abstract\t" ++ pr (absname gfcc),
"Concretes\t" ++ unwords (Prelude.map pr (cncnames gfcc)),
"Categories\t" ++ unwords (Prelude.map pr (keys (cats (abstract gfcc))))
]
where pr (CId s) = s
type Concr = Map CId Term
lookMap :: (Show i, Ord i) => a -> i -> Map i a -> a
lookMap d c m = maybe d id $ Data.Map.lookup c m
lookLin :: GFCC -> CId -> CId -> Term
lookLin mcfg lang fun =
lookMap TM fun $ lookMap undefined lang $ concretes mcfg
-- | Look up the type of a function.
lookType :: GFCC -> CId -> Type
lookType gfcc f = lookMap (error $ "lookType " ++ show f) f (funs (abstract gfcc))
linearize :: GFCC -> CId -> Exp -> String
linearize mcfg lang = realize . linExp mcfg lang
realize :: Term -> String
realize trm = case trm of
R ts -> realize (ts !! 0)
S ss -> unwords $ Prelude.map realize ss
K t -> case t of
KS s -> s
KP s _ -> unwords s ---- prefix choice TODO
W s t -> s ++ realize t
FV ts -> realize (ts !! 0) ---- other variants TODO
RP _ r -> realize r
TM -> "?"
_ -> "ERROR " ++ show trm ---- debug
linExp :: GFCC -> CId -> Exp -> Term
linExp mcfg lang tree@(Tr at trees) =
case at of
AC fun -> comp (Prelude.map lin trees) $ look fun
AS s -> R [kks (show s)] -- quoted
AI i -> R [kks (show i)]
AF d -> R [kks (show d)]
AM -> TM
where
lin = linExp mcfg lang
comp = compute mcfg lang
look = lookLin mcfg lang
exp0 :: Exp
exp0 = Tr (AS "NO_PARSE") []
term0 :: CId -> Term
term0 (CId s) = R [kks ("#" ++ s ++ "#")]
kks :: String -> Term
kks = K . KS
compute :: GFCC -> CId -> [Term] -> Term -> Term
compute mcfg lang args = comp where
comp trm = case trm of
P r p -> proj (comp r) (comp p)
RP i t -> RP (comp i) (comp t)
W s t -> W s (comp t)
R ts -> R $ Prelude.map comp ts
V i -> idx args i -- already computed
F c -> comp $ look c -- not computed (if contains argvar)
FV ts -> FV $ Prelude.map comp ts
S ts -> S $ Prelude.filter (/= S []) $ Prelude.map comp ts
_ -> trm
look = lookLin mcfg lang
idx xs i = if i > length xs - 1
then trace
("too large " ++ show i ++ " for\n" ++ unlines (Prelude.map prt xs) ++ "\n") TM
else xs !! i
proj r p = case (r,p) of
(_, FV ts) -> FV $ Prelude.map (proj r) ts
(FV ts, _ ) -> FV $ Prelude.map (\t -> proj t r) ts
(W s t, _) -> kks (s ++ getString (proj t p))
(_,R is) -> trace ("projection " ++ show p ++ "\n") $ comp $ foldl P r is
_ -> comp $ getField r (getIndex p)
getString t = case t of
K (KS s) -> s
_ -> trace ("ERROR in grammar compiler: string from "++ show t) "ERR"
getIndex t = case t of
C i -> i
RP p _ -> getIndex p
TM -> 0 -- default value for parameter
_ -> trace ("ERROR in grammar compiler: index from " ++ show t) 0
getField t i = case t of
R rs -> idx rs i
RP _ r -> getField r i
TM -> TM
_ -> trace ("ERROR in grammar compiler: field from " ++ show t) t
prt = printTree
mkGFCC :: Grammar -> GFCC
mkGFCC (Grm (Hdr a cs) ab@(Abs funs) ccs) = GFCC {
absname = a,
cncnames = cs,
abstract =
let
fs = fromAscList [(fun,typ) | Fun fun typ _ <- funs]
cats = sort $ nub [c | Fun f (Typ _ c) _ <- funs]
cs = fromAscList
[(cat,[f | Fun f (Typ _ c) _ <- funs, c==cat]) | cat <- cats]
in Abstr fs cs,
concretes = fromAscList [(lang, mkCnc lins) | Cnc lang lins <- ccs]
}
where
mkCnc lins = fromList [(fun,lin) | Lin fun lin <- lins] ---- Asc
printGFCC :: GFCC -> String
printGFCC gfcc = printTree $ Grm
(Hdr (absname gfcc) (cncnames gfcc))
(Abs [Fun f ty (Tr (AC f) []) | (f,ty) <- assocs (funs (abstract gfcc))])
[Cnc lang [Lin f t | (f,t) <- assocs lins] |
(lang,lins) <- assocs (concretes gfcc)]

View File

@@ -1,16 +0,0 @@
-- BNF Converter: Error Monad
-- Copyright (C) 2004 Author: Aarne Ranta
-- This file comes with NO WARRANTY and may be used FOR ANY PURPOSE.
module GF.Canon.GFCC.ErrM where
-- the Error monad: like Maybe type with error msgs
data Err a = Ok a | Bad String
deriving (Read, Show, Eq)
instance Monad Err where
return = Ok
fail = Bad
Ok a >>= f = f a
Bad s >>= f = Bad s

View File

@@ -1,127 +0,0 @@
----------------------------------------------------------------------
-- |
-- Module : GFCCAPI
-- Maintainer : Aarne Ranta
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date:
-- > CVS $Author:
-- > CVS $Revision:
--
-- Reduced Application Programmer's Interface to GF, meant for
-- embedded GF systems. AR 19/9/2007
-----------------------------------------------------------------------------
module GF.Canon.GFCC.GFCCAPI where
import GF.Canon.GFCC.DataGFCC
--import GF.Canon.GFCC.GenGFCC
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.ParGFCC
import GF.Canon.GFCC.PrintGFCC
import GF.Canon.GFCC.ErrM
import GF.Parsing.FCFG
import qualified GF.Canon.GFCC.GenGFCC as G
import GF.Conversion.SimpleToFCFG (convertGrammar,FCat(..))
--import GF.Data.Operations
--import GF.Infra.UseIO
import qualified Data.Map as Map
import System.Random (newStdGen)
import System.Directory (doesFileExist)
-- This API is meant to be used when embedding GF grammars in Haskell
-- programs. The embedded system is supposed to use the
-- .gfcm grammar format, which is first produced by the gf program.
---------------------------------------------------
-- Interface
---------------------------------------------------
data MultiGrammar = MultiGrammar {gfcc :: GFCC, parsers :: [(Language,FCFPInfo)]}
type Language = String
type Category = String
type Tree = Exp
file2grammar :: FilePath -> IO MultiGrammar
linearize :: MultiGrammar -> Language -> Tree -> String
parse :: MultiGrammar -> Language -> Category -> String -> [Tree]
linearizeAll :: MultiGrammar -> Tree -> [String]
linearizeAllLang :: MultiGrammar -> Tree -> [(Language,String)]
parseAll :: MultiGrammar -> Category -> String -> [[Tree]]
parseAllLang :: MultiGrammar -> Category -> String -> [(Language,[Tree])]
generateAll :: MultiGrammar -> Category -> [Tree]
generateRandom :: MultiGrammar -> Category -> IO [Tree]
readTree :: MultiGrammar -> String -> Tree
showTree :: Tree -> String
languages :: MultiGrammar -> [Language]
categories :: MultiGrammar -> [Category]
startCat :: MultiGrammar -> Category
---------------------------------------------------
-- Implementation
---------------------------------------------------
file2grammar f = do
gfcc <- file2gfcc f
let fcfgs = convertGrammar gfcc
return (MultiGrammar gfcc [(lang, buildFCFPInfo fcfg) | (CId lang,fcfg) <- fcfgs])
file2gfcc f =
readFileIf f >>= err (error "no parse") (return . mkGFCC) . pGrammar . myLexer
linearize mgr lang = GF.Canon.GFCC.DataGFCC.linearize (gfcc mgr) (CId lang)
parse mgr lang cat s =
case lookup lang (parsers mgr) of
Nothing -> error "no parser"
Just pinfo -> case parseFCF "bottomup" pinfo (CId cat) (words s) of
Ok x -> x
Bad s -> error s
linearizeAll mgr = map snd . linearizeAllLang mgr
linearizeAllLang mgr t =
[(lang,linearThis mgr lang t) | lang <- languages mgr]
parseAll mgr cat = map snd . parseAllLang mgr cat
parseAllLang mgr cat s =
[(lang,ts) | lang <- languages mgr, let ts = parse mgr lang cat s, not (null ts)]
generateRandom mgr cat = do
gen <- newStdGen
return $ G.generateRandom gen (gfcc mgr) (CId cat)
generateAll mgr cat = G.generate (gfcc mgr) (CId cat)
readTree _ = err (const exp0) id . (pExp . myLexer)
showTree t = printTree t
languages mgr = [l | CId l <- cncnames (gfcc mgr)]
categories mgr = [c | CId c <- Map.keys (cats (abstract (gfcc mgr)))]
startCat mgr = "S" ----
------------ for internal use only
linearThis = GF.Canon.GFCC.GFCCAPI.linearize
err f g ex = case ex of
Ok x -> g x
Bad s -> f s
readFileIf f = do
b <- doesFileExist f
if b then readFile f
else putStrLn ("file " ++ f ++ " not found") >> return ""

View File

@@ -1,212 +0,0 @@
----------------------------------------------------------------------
-- |
-- Module : GrammarToHaskell
-- Maintainer : Aarne Ranta
-- Stability : (stable)
-- Portability : (portable)
--
-- > CVS $Date: 2005/06/17 12:39:07 $
-- > CVS $Author: bringert $
-- > CVS $Revision: 1.8 $
--
-- to write a GF abstract grammar into a Haskell module with translations from
-- data objects into GF trees. Example: GSyntax for Agda.
-- AR 11/11/1999 -- 7/12/2000 -- 18/5/2004
-----------------------------------------------------------------------------
module GF.Canon.GFCC.GFCCToHaskell (grammar2haskell, grammar2haskellGADT) where
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.DataGFCC
import GF.Data.Operations
import Data.List --(isPrefixOf, find, intersperse)
import qualified Data.Map as Map
-- | the main function
grammar2haskell :: GFCC -> String
grammar2haskell gr = foldr (++++) [] $
haskPreamble ++ [datatypes gr', gfinstances gr', fginstances gr']
where gr' = hSkeleton gr
grammar2haskellGADT :: GFCC -> String
grammar2haskellGADT gr = foldr (++++) [] $
["{-# OPTIONS_GHC -fglasgow-exts #-}"] ++
haskPreamble ++ [datatypesGADT gr', gfinstances gr', fginstances gr']
where gr' = hSkeleton gr
-- | by this you can prefix all identifiers with stg; the default is 'G'
gId :: OIdent -> OIdent
gId i = 'G':i
haskPreamble =
[
"module GSyntax where",
"",
"import GF.Canon.GFCC.AbsGFCC",
"import GF.Canon.GFCC.DataGFCC",
"import GF.Data.Operations",
"----------------------------------------------------",
"-- automatic translation from GF to Haskell",
"----------------------------------------------------",
"",
"class Gf a where gf :: a -> Exp",
"class Fg a where fg :: Exp -> a",
"",
predefInst "GString" "String" "Tr (AS s) []",
"",
predefInst "GInt" "Integer" "Tr (AI s) []",
"",
predefInst "GFloat" "Double" "Tr (AF s) []",
"",
"----------------------------------------------------",
"-- below this line machine-generated",
"----------------------------------------------------",
""
]
predefInst gtyp typ patt =
"newtype" +++ gtyp +++ "=" +++ gtyp +++ typ +++ " deriving Show" +++++
"instance Gf" +++ gtyp +++ "where" ++++
" gf (" ++ gtyp +++ "s) =" +++ patt +++++
"instance Fg" +++ gtyp +++ "where" ++++
" fg t =" ++++
" case t of" ++++
" " +++ patt +++ " ->" +++ gtyp +++ "s" ++++
" _ -> error (\"no" +++ gtyp +++ "\" ++ show t)"
type OIdent = String
type HSkeleton = [(OIdent, [(OIdent, [OIdent])])]
datatypes, gfinstances, fginstances :: (String,HSkeleton) -> String
datatypes = (foldr (+++++) "") . (filter (/="")) . (map hDatatype) . snd
gfinstances (m,g) = (foldr (+++++) "") $ (filter (/="")) $ (map (hInstance m)) g
fginstances (m,g) = (foldr (+++++) "") $ (filter (/="")) $ (map (fInstance m)) g
hDatatype :: (OIdent, [(OIdent, [OIdent])]) -> String
hInstance, fInstance :: String -> (OIdent, [(OIdent, [OIdent])]) -> String
hDatatype ("Cn",_) = "" ---
hDatatype (cat,[]) = ""
hDatatype (cat,rules) | isListCat (cat,rules) =
"newtype" +++ gId cat +++ "=" +++ gId cat +++ "[" ++ gId (elemCat cat) ++ "]"
+++ "deriving Show"
hDatatype (cat,rules) =
"data" +++ gId cat +++ "=" ++
(if length rules == 1 then "" else "\n ") +++
foldr1 (\x y -> x ++ "\n |" +++ y)
[gId f +++ foldr (+++) "" (map gId xx) | (f,xx) <- rules] ++++
" deriving Show"
-- GADT version of data types
datatypesGADT :: (String,HSkeleton) -> String
datatypesGADT (_,skel) =
unlines (concatMap hCatTypeGADT skel)
+++++
"data Tree :: * -> * where" ++++ unlines (concatMap (map (" "++) . hDatatypeGADT) skel)
hCatTypeGADT :: (OIdent, [(OIdent, [OIdent])]) -> [String]
hCatTypeGADT (cat,rules)
= ["type"+++gId cat+++"="+++"Tree"+++gId cat++"_",
"data"+++gId cat++"_"]
hDatatypeGADT :: (OIdent, [(OIdent, [OIdent])]) -> [String]
hDatatypeGADT (cat, rules)
| isListCat (cat,rules) = [gId cat+++"::"+++"["++gId (elemCat cat)++"]" +++ "->" +++ t]
| otherwise =
[ gId f +++ "::" +++ concatMap (\a -> gId a +++ "-> ") args ++ t | (f,args) <- rules ]
where t = "Tree" +++ gId cat ++ "_"
----hInstance m ("Cn",_) = "" --- seems to belong to an old applic. AR 18/5/2004
hInstance m (cat,[]) = ""
hInstance m (cat,rules)
| isListCat (cat,rules) =
"instance Gf" +++ gId cat +++ "where" ++++
" gf (" ++ gId cat +++ "[" ++ concat (intersperse "," baseVars) ++ "])"
+++ "=" +++ mkRHS ("Base"++ec) baseVars ++++
" gf (" ++ gId cat +++ "(x:xs)) = "
++ mkRHS ("Cons"++ec) ["x",prParenth (gId cat+++"xs")]
-- no show for GADTs
-- ++++ " gf (" ++ gId cat +++ "xs) = error (\"Bad " ++ cat ++ " value: \" ++ show xs)"
| otherwise =
"instance Gf" +++ gId cat +++ "where" ++
(if length rules == 1 then "" else "\n") +++
foldr1 (\x y -> x ++ "\n" +++ y) [mkInst f xx | (f,xx) <- rules]
where
ec = elemCat cat
baseVars = mkVars (baseSize (cat,rules))
mkInst f xx = let xx' = mkVars (length xx) in "gf " ++
(if length xx == 0 then gId f else prParenth (gId f +++ foldr1 (+++) xx')) +++
"=" +++ mkRHS f xx'
mkVars n = ["x" ++ show i | i <- [1..n]]
mkRHS f vars = "Tr (AC (CId \"" ++ f ++ "\"))" +++
"[" ++ prTList ", " ["gf" +++ x | x <- vars] ++ "]"
----fInstance m ("Cn",_) = "" ---
fInstance m (cat,[]) = ""
fInstance m (cat,rules) =
"instance Fg" +++ gId cat +++ "where" ++++
" fg t =" ++++
" case t of" ++++
foldr1 (\x y -> x ++ "\n" ++ y) [mkInst f xx | (f,xx) <- rules] ++++
" _ -> error (\"no" +++ cat ++ " \" ++ show t)"
where
mkInst f xx =
" Tr (AC (CId \"" ++ f ++ "\")) " ++
"[" ++ prTList "," xx' ++ "]" +++
"->" +++ mkRHS f xx'
where xx' = ["x" ++ show i | (_,i) <- zip xx [1..]]
mkRHS f vars
| isListCat (cat,rules) =
if "Base" `isPrefixOf` f then
gId cat +++ "[" ++ prTList ", " [ "fg" +++ x | x <- vars ] ++ "]"
else
let (i,t) = (init vars,last vars)
in "let" +++ gId cat +++ "xs = fg " ++ t +++ "in" +++
gId cat +++ prParenth (prTList ":" (["fg"+++v | v <- i] ++ ["xs"]))
| otherwise =
gId f +++
prTList " " [prParenth ("fg" +++ x) | x <- vars]
--type HSkeleton = [(OIdent, [(OIdent, [OIdent])])]
hSkeleton :: GFCC -> (String,HSkeleton)
hSkeleton gr =
(pr (absname gr),
[(pr c, [(pr f, map pr cs) | (f, Typ cs _) <- fs]) |
fs@((_, Typ _ c):_) <- fs]
)
where
fs = groupBy valtypg (sortBy valtyps (Map.assocs (funs (abstract gr))))
valtyps (_, Typ _ x) (_, Typ _ y) = compare x y
valtypg (_, Typ _ x) (_, Typ _ y) = x == y
pr (CId c) = c
updateSkeleton :: OIdent -> HSkeleton -> (OIdent, [OIdent]) -> HSkeleton
updateSkeleton cat skel rule =
case skel of
(cat0,rules):rr | cat0 == cat -> (cat0, rule:rules) : rr
(cat0,rules):rr -> (cat0, rules) : updateSkeleton cat rr rule
isListCat :: (OIdent, [(OIdent, [OIdent])]) -> Bool
isListCat (cat,rules) = "List" `isPrefixOf` cat && length rules == 2
&& ("Base"++c) `elem` fs && ("Cons"++c) `elem` fs
where c = elemCat cat
fs = map fst rules
-- | Gets the element category of a list category.
elemCat :: OIdent -> OIdent
elemCat = drop 4
isBaseFun :: OIdent -> Bool
isBaseFun f = "Base" `isPrefixOf` f
isConsFun :: OIdent -> Bool
isConsFun f = "Cons" `isPrefixOf` f
baseSize :: (OIdent, [(OIdent, [OIdent])]) -> Int
baseSize (_,rules) = length bs
where Just (_,bs) = find (("Base" `isPrefixOf`) . fst) rules

View File

@@ -1,78 +0,0 @@
module GF.Canon.GFCC.GenGFCC where
import GF.Canon.GFCC.DataGFCC
import GF.Canon.GFCC.AbsGFCC
import qualified Data.Map as M
import System.Random
-- generate an infinite list of trees exhaustively
generate :: GFCC -> CId -> [Exp]
generate gfcc cat = concatMap (\i -> gener i cat) [0..]
where
gener 0 c = [Tr (AC f) [] | (f, Typ [] _) <- fns c]
gener i c = [
tr |
(f, Typ cs _) <- fns c,
let alts = map (gener (i-1)) cs,
ts <- combinations alts,
let tr = Tr (AC f) ts,
depth tr >= i
]
fns cat =
let fs = maybe [] id $ M.lookup cat $ cats $ abstract gfcc
in [(f,ty) | f <- fs, Just ty <- [M.lookup f $ funs $ abstract gfcc]]
depth tr = case tr of
Tr _ [] -> 1
Tr _ ts -> maximum (map depth ts) + 1
combinations :: [[a]] -> [[a]]
combinations t = case t of
[] -> [[]]
aa:uu -> [a:u | a <- aa, u <- combinations uu]
-- generate an infinite list of trees randomly
generateRandom :: StdGen -> GFCC -> CId -> [Exp]
generateRandom gen gfcc cat = genTrees (randomRs (0.0, 1.0) gen) cat where
timeout = 47 -- give up
genTrees ds0 cat =
let (ds,ds2) = splitAt (timeout+1) ds0 -- for time out, else ds
(t,k) = genTree ds cat
in (if k>timeout then id else (t:))
(genTrees ds2 cat) -- else (drop k ds)
genTree rs = gett rs where
gett ds (CId "String") = (Tr (AS "foo") [], 1)
gett ds (CId "Int") = (Tr (AI 12345) [], 1)
gett [] _ = (Tr (AS "TIMEOUT") [], 1) ----
gett ds cat = case fns cat of
[] -> (Tr AM [],1)
fs -> let
d:ds2 = ds
(f,args) = getf d fs
(ts,k) = getts ds2 args
in (Tr (AC f) ts, k+1)
getf d fs = let lg = (length fs) in
fs !! (floor (d * fromIntegral lg))
getts ds cats = case cats of
c:cs -> let
(t, k) = gett ds c
(ts,ks) = getts (drop k ds) cs
in (t:ts, k + ks)
_ -> ([],0)
fns cat =
let fs = maybe [] id $ M.lookup cat $ cats $ abstract gfcc
in [(f,cs) | f <- fs,
Just (Typ cs _) <- [M.lookup f $ funs $ abstract gfcc]]
-- brute-force parsing method; only returns the first result
-- note: you cannot throw away rules with unknown words from the grammar
-- because it is not known which field in each rule may match the input
parse :: Int -> GFCC -> CId -> [String] -> [Exp]
parse i gfcc cat ws = [t | t <- gen, s <- lins t, words s == ws] where
gen = take i $ generate gfcc cat
lins t = [linearize gfcc lang t | lang <- cncnames gfcc]

File diff suppressed because one or more lines are too long

File diff suppressed because it is too large Load Diff

View File

@@ -1,190 +0,0 @@
{-# OPTIONS -fno-warn-incomplete-patterns #-}
module GF.Canon.GFCC.PrintGFCC where
-- pretty-printer generated by the BNF converter
import GF.Canon.GFCC.AbsGFCC
import Data.Char
-- the top-level printing method
printTree :: Print a => a -> String
printTree = render . prt 0
type Doc = [ShowS] -> [ShowS]
doc :: ShowS -> Doc
doc = (:)
render :: Doc -> String
render d = rend 0 (map ($ "") $ d []) "" where
rend i ss = case ss of
"[" :ts -> showChar '[' . rend i ts
"(" :ts -> showChar '(' . rend i ts
"{" :ts -> showChar '{' . new (i+1) . rend (i+1) ts
"}" : ";":ts -> new (i-1) . space "}" . showChar ';' . new (i-1) . rend (i-1) ts
"}" :ts -> new (i-1) . showChar '}' . new (i-1) . rend (i-1) ts
";" :ts -> showChar ';' . new i . rend i ts
t : "," :ts -> showString t . space "," . rend i ts
t : ")" :ts -> showString t . showChar ')' . rend i ts
t : "]" :ts -> showString t . showChar ']' . rend i ts
t :ts -> space t . rend i ts
_ -> id
new i = showChar '\n' . replicateS (2*i) (showChar ' ') . dropWhile isSpace
space t = showString t ---- . (\s -> if null s then "" else (' ':s))
parenth :: Doc -> Doc
parenth ss = doc (showChar '(') . ss . doc (showChar ')')
concatS :: [ShowS] -> ShowS
concatS = foldr (.) id
concatD :: [Doc] -> Doc
concatD = foldr (.) id
replicateS :: Int -> ShowS -> ShowS
replicateS n f = concatS (replicate n f)
-- the printer class does the job
class Print a where
prt :: Int -> a -> Doc
prtList :: [a] -> Doc
prtList = concatD . map (prt 0)
instance Print a => Print [a] where
prt _ = prtList
instance Print Char where
prt _ s = doc (showChar '\'' . mkEsc '\'' s . showChar '\'')
prtList s = doc (showChar '"' . concatS (map (mkEsc '"') s) . showChar '"')
mkEsc :: Char -> Char -> ShowS
mkEsc q s = case s of
_ | s == q -> showChar '\\' . showChar s
'\\'-> showString "\\\\"
'\n' -> showString "\\n"
'\t' -> showString "\\t"
_ -> showChar s
prPrec :: Int -> Int -> Doc -> Doc
prPrec i j = if j<i then parenth else id
instance Print Integer where
prt _ x = doc (shows x)
instance Print Int where
prt _ x = doc (shows x)
instance Print Double where
prt _ x = doc (shows x)
instance Print CId where
prt _ (CId i) = doc (showString i)
prtList es = case es of
[] -> (concatD [])
[x] -> (concatD [prt 0 x])
x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
instance Print Grammar where
prt i e = case e of
Grm header abstract concretes -> prPrec i 0 (concatD [prt 0 header , doc (showString ";") , prt 0 abstract , doc (showString ";") , prt 0 concretes])
instance Print Header where
prt i e = case e of
Hdr cid cids -> prPrec i 0 (concatD [doc (showString "grammar ") , prt 0 cid , doc (showString "(") , prt 0 cids , doc (showString ")")])
instance Print Abstract where
prt i e = case e of
Abs absdefs -> prPrec i 0 (concatD [doc (showString "abstract ") , doc (showString "{") , prt 0 absdefs , doc (showString "}")])
instance Print Concrete where
prt i e = case e of
Cnc cid cncdefs -> prPrec i 0 (concatD [doc (showString "concrete ") , prt 0 cid , doc (showString "{") , prt 0 cncdefs , doc (showString "}")])
prtList es = case es of
[] -> (concatD [])
x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
instance Print AbsDef where
prt i e = case e of
Fun cid type' exp -> prPrec i 0 (concatD [prt 0 cid , doc (showString ":") , prt 0 type' , doc (showString "=") , prt 0 exp])
prtList es = case es of
[] -> (concatD [])
x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
instance Print CncDef where
prt i e = case e of
Lin cid term -> prPrec i 0 (concatD [prt 0 cid , doc (showString "=") , prt 0 term])
prtList es = case es of
[] -> (concatD [])
x:xs -> (concatD [prt 0 x , doc (showString ";") , prt 0 xs])
instance Print Type where
prt i e = case e of
Typ cids cid -> prPrec i 0 (concatD [prt 0 cids , doc (showString "->") , prt 0 cid])
instance Print Exp where
prt i e = case e of
Tr atom exps -> prPrec i 0 (concatD [doc (showString "(") , prt 0 atom , prt 0 exps , doc (showString ")")])
prtList es = case es of
[] -> (concatD [])
x:xs -> (concatD [prt 0 x , prt 0 xs])
instance Print Atom where
prt i e = case e of
AC cid -> prPrec i 0 (concatD [prt 0 cid])
AS str -> prPrec i 0 (concatD [prt 0 str])
AI n -> prPrec i 0 (concatD [prt 0 n])
AF d -> prPrec i 0 (concatD [prt 0 d])
AM -> prPrec i 0 (concatD [doc (showString "?")])
instance Print Term where
prt i e = case e of
R terms -> prPrec i 0 (concatD [doc (showString "[") , prt 0 terms , doc (showString "]")])
P term0 term -> prPrec i 0 (concatD [doc (showString "(") , prt 0 term0 , doc (showString "!") , prt 0 term , doc (showString ")")])
S terms -> prPrec i 0 (concatD [doc (showString "(") , prt 0 terms , doc (showString ")")])
K tokn -> prPrec i 0 (concatD [prt 0 tokn])
V n -> prPrec i 0 (concatD [doc (showString "$") , prt 0 n])
C n -> prPrec i 0 (concatD [prt 0 n])
F cid -> prPrec i 0 (concatD [prt 0 cid])
FV terms -> prPrec i 0 (concatD [doc (showString "[|") , prt 0 terms , doc (showString "|]")])
W str term -> prPrec i 0 (concatD [doc (showString "(") , prt 0 str , doc (showString "+") , prt 0 term , doc (showString ")")])
RP term0 term -> prPrec i 0 (concatD [doc (showString "(") , prt 0 term0 , doc (showString "@") , prt 0 term , doc (showString ")")])
TM -> prPrec i 0 (concatD [doc (showString "?")])
L cid term -> prPrec i 0 (concatD [doc (showString "(") , prt 0 cid , doc (showString "->") , prt 0 term , doc (showString ")")])
BV cid -> prPrec i 0 (concatD [doc (showString "#") , prt 0 cid])
prtList es = case es of
[] -> (concatD [])
[x] -> (concatD [prt 0 x])
x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])
instance Print Tokn where
prt i e = case e of
KS str -> prPrec i 0 (concatD [prt 0 str])
KP strs variants -> prPrec i 0 (concatD [doc (showString "[") , doc (showString "pre") , prt 0 strs , doc (showString "[") , prt 0 variants , doc (showString "]") , doc (showString "]")])
instance Print Variant where
prt i e = case e of
Var strs0 strs -> prPrec i 0 (concatD [prt 0 strs0 , doc (showString "/") , prt 0 strs])
prtList es = case es of
[] -> (concatD [])
[x] -> (concatD [prt 0 x])
x:xs -> (concatD [prt 0 x , doc (showString ",") , prt 0 xs])

View File

@@ -1,75 +0,0 @@
module Main where
import GF.Canon.GFCC.GenGFCC
import GF.Canon.GFCC.DataGFCC
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.ParGFCC
import GF.Canon.GFCC.PrintGFCC
import GF.Canon.GFCC.ErrM
--import GF.Data.Operations
import Data.Map
import System.Random (newStdGen)
import System
-- Simple translation application built on GFCC. AR 7/9/2006
main :: IO ()
main = do
file:_ <- getArgs
grammar <- file2gfcc file
putStrLn $ statGFCC grammar
loop grammar
loop :: GFCC -> IO ()
loop grammar = do
s <- getLine
if s == "quit" then return () else do
treat grammar s
loop grammar
treat :: GFCC -> String -> IO ()
treat grammar s = case words s of
"gt":cat:n:_ -> do
mapM_ prlinonly $ take (read n) $ generate grammar (CId cat)
"gtt":cat:n:_ -> do
mapM_ prlin $ take (read n) $ generate grammar (CId cat)
"gr":cat:n:_ -> do
gen <- newStdGen
mapM_ prlinonly $ take (read n) $ generateRandom gen grammar (CId cat)
"grt":cat:n:_ -> do
gen <- newStdGen
mapM_ prlin $ take (read n) $ generateRandom gen grammar (CId cat)
"p":cat:n:ws -> do
case parse (read n) grammar (CId cat) ws of
t:_ -> prlin t
_ -> putStrLn "no parse found"
_ -> lins $ readExp s
where
lins t = mapM_ (lint t) $ cncnames grammar
lint t lang = do
putStrLn $ printTree $ linExp grammar lang t
lin t lang
lin t lang = do
putStrLn $ linearize grammar lang t
prlins t = do
putStrLn $ printTree t
lins t
prlin t = do
putStrLn $ printTree t
prlinonly t
prlinonly t = mapM_ (lin t) $ cncnames grammar
--- should be in an API
file2gfcc :: FilePath -> IO GFCC
file2gfcc f =
readFile f >>= err (error "no parse") (return . mkGFCC) . pGrammar . myLexer
readExp :: String -> Exp
readExp = err (const exp0) id . (pExp . myLexer)
err f g ex = case ex of
Ok x -> g x
Bad s -> f s

View File

@@ -1,74 +0,0 @@
module Main where
import GF.Canon.GFCC.GFCCAPI
import qualified GF.Canon.GFCC.GenGFCC as G ---
import GF.Canon.GFCC.AbsGFCC (CId(CId)) ---
import System.Random (newStdGen)
import System (getArgs)
import Data.Char (isDigit)
-- Simple translation application built on GFCC. AR 7/9/2006 -- 19/9/2007
main :: IO ()
main = do
file:_ <- getArgs
grammar <- file2grammar file
printHelp grammar
loop grammar
loop :: MultiGrammar -> IO ()
loop grammar = do
s <- getLine
if s == "q" then return () else do
treat grammar s
loop grammar
printHelp grammar = do
putStrLn $ "languages: " ++ unwords (languages grammar)
putStrLn $ "categories: " ++ unwords (categories grammar)
putStrLn commands
commands = unlines [
"Commands:",
" (gt | gtt | gr | grt) Cat Num - generate all or random",
" p Lang Cat String - parse (unquoted) string",
" l Tree - linearize in all languages",
" h - help",
" q - quit"
]
treat :: MultiGrammar -> String -> IO ()
treat mgr s = case words s of
"gt" :cat:n:_ -> mapM_ prlinonly $ take (read1 n) $ generateAll mgr cat
"gtt":cat:n:_ -> mapM_ prlin $ take (read1 n) $ generateAll mgr cat
"gr" :cat:n:_ -> generateRandom mgr cat >>= mapM_ prlinonly . take (read1 n)
"grt":cat:n:_ -> generateRandom mgr cat >>= mapM_ prlin . take (read1 n)
"p":lang:cat:ws -> do
let ts = parse mgr lang cat $ unwords ws
mapM_ (putStrLn . showTree) ts
"search":cat:n:ws -> do
case G.parse (read n) grammar (CId cat) ws of
t:_ -> prlin t
_ -> putStrLn "no parse found"
"h":_ -> printHelp mgr
_ -> lins $ readTree mgr s
where
grammar = gfcc mgr
langs = languages mgr
lins t = mapM_ (lint t) $ langs
lint t lang = do
---- putStrLn $ showTree $ linExp grammar lang t
lin t lang
lin t lang = do
putStrLn $ linearize mgr lang t
prlins t = do
putStrLn $ showTree t
lins t
prlin t = do
putStrLn $ showTree t
prlinonly t
prlinonly t = mapM_ (lin t) $ langs
read1 s = if all isDigit s then read s else 1

View File

@@ -1,94 +0,0 @@
module GF.Canon.GFCC.SkelGFCC where
-- Haskell module generated by the BNF converter
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.ErrM
type Result = Err String
failure :: Show a => a -> Result
failure x = Bad $ "Undefined case: " ++ show x
transCId :: CId -> Result
transCId x = case x of
CId str -> failure x
transGrammar :: Grammar -> Result
transGrammar x = case x of
Grm header abstract concretes -> failure x
transHeader :: Header -> Result
transHeader x = case x of
Hdr cid cids -> failure x
transAbstract :: Abstract -> Result
transAbstract x = case x of
Abs absdefs -> failure x
transConcrete :: Concrete -> Result
transConcrete x = case x of
Cnc cid cncdefs -> failure x
transAbsDef :: AbsDef -> Result
transAbsDef x = case x of
Fun cid type' exp -> failure x
transCncDef :: CncDef -> Result
transCncDef x = case x of
Lin cid term -> failure x
transType :: Type -> Result
transType x = case x of
Typ cids cid -> failure x
transExp :: Exp -> Result
transExp x = case x of
Tr atom exps -> failure x
transAtom :: Atom -> Result
transAtom x = case x of
AC cid -> failure x
AS str -> failure x
AI n -> failure x
AF d -> failure x
AM -> failure x
transTerm :: Term -> Result
transTerm x = case x of
R terms -> failure x
P term0 term -> failure x
S terms -> failure x
K tokn -> failure x
V n -> failure x
C n -> failure x
F cid -> failure x
FV terms -> failure x
W str term -> failure x
RP term0 term -> failure x
TM -> failure x
L cid term -> failure x
BV cid -> failure x
transTokn :: Tokn -> Result
transTokn x = case x of
KS str -> failure x
KP strs variants -> failure x
transVariant :: Variant -> Result
transVariant x = case x of
Var strs0 strs -> failure x

View File

@@ -1,58 +0,0 @@
-- automatically generated by BNF Converter
module Main where
import IO ( stdin, hGetContents )
import System ( getArgs, getProgName )
import GF.Canon.GFCC.LexGFCC
import GF.Canon.GFCC.ParGFCC
import GF.Canon.GFCC.SkelGFCC
import GF.Canon.GFCC.PrintGFCC
import GF.Canon.GFCC.AbsGFCC
import GF.Canon.GFCC.ErrM
type ParseFun a = [Token] -> Err a
myLLexer = myLexer
type Verbosity = Int
putStrV :: Verbosity -> String -> IO ()
putStrV v s = if v > 1 then putStrLn s else return ()
runFile :: (Print a, Show a) => Verbosity -> ParseFun a -> FilePath -> IO ()
runFile v p f = putStrLn f >> readFile f >>= run v p
run :: (Print a, Show a) => Verbosity -> ParseFun a -> String -> IO ()
run v p s = let ts = myLLexer s in case p ts of
Bad s -> do putStrLn "\nParse Failed...\n"
putStrV v "Tokens:"
putStrV v $ show ts
putStrLn s
Ok tree -> do putStrLn "\nParse Successful!"
showTree v tree
showTree :: (Show a, Print a) => Int -> a -> IO ()
showTree v tree
= do
putStrV v $ "\n[Abstract Syntax]\n\n" ++ show tree
putStrV v $ "\n[Linearized tree]\n\n" ++ printTree tree
main :: IO ()
main = do args <- getArgs
case args of
[] -> hGetContents stdin >>= run 2 pGrammar
"-s":fs -> mapM_ (runFile 0 pGrammar) fs
fs -> mapM_ (runFile 2 pGrammar) fs