forked from GitHub/gf-core
"Committed_by_peb"
This commit is contained in:
@@ -4,9 +4,9 @@
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/05/09 09:28:43 $
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-- > CVS $Date: 2005/05/13 12:40:19 $
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-- > CVS $Author: peb $
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-- > CVS $Revision: 1.8 $
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-- > CVS $Revision: 1.9 $
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--
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-- All conversions from GFC
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-----------------------------------------------------------------------------
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@@ -22,7 +22,7 @@ import GF.Infra.Ident (Ident, identC)
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import GF.Formalism.GCFG (Rule(..), Abstract(..))
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import GF.Formalism.SimpleGFC (decl2cat)
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import GF.Formalism.CFG (CFRule(..))
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import GF.Formalism.Utilities (symbol)
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import GF.Formalism.Utilities (symbol, name2fun)
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import GF.Conversion.Types
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import qualified GF.Conversion.GFCtoSimple as G2S
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@@ -89,7 +89,7 @@ gfc2abstract :: (CanonGrammar, Ident) -> [Abstract SCat Fun]
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gfc2abstract gr = [ Abs (decl2cat decl) (map decl2cat decls) (name2fun name) |
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Rule (Abs decl decls name) _ <- gfc2simple gr ]
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abstract2prolog :: [Abstract SCat Fun] -> String
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abstract2prolog :: [Abstract SCat Fun] -> String
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abstract2prolog gr = skvatt_hdr ++ concatMap abs2pl gr
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where abs2pl (Abs cat [] fun) = prtQuoted cat ++ " ---> " ++
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"\"" ++ prt fun ++ "\".\n"
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@@ -4,9 +4,9 @@
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/05/10 12:52:06 $
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-- > CVS $Date: 2005/05/13 12:40:19 $
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-- > CVS $Author: peb $
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-- > CVS $Revision: 1.7 $
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-- > CVS $Revision: 1.8 $
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--
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-- Converting GFC to SimpleGFC
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--
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@@ -24,6 +24,7 @@ import qualified GF.Canon.AbsGFC as A
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import qualified GF.Infra.Ident as I
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import GF.Formalism.GCFG
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import GF.Formalism.SimpleGFC
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import GF.Formalism.Utilities
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import GF.Conversion.Types
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import GF.Canon.GFC (CanonGrammar)
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@@ -4,9 +4,9 @@
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/04/21 16:21:54 $
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-- > CVS $Author: bringert $
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-- > CVS $Revision: 1.5 $
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-- > CVS $Date: 2005/05/13 12:40:19 $
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-- > CVS $Author: peb $
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-- > CVS $Revision: 1.6 $
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--
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-- Calculating the finiteness of each type in a grammar
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-----------------------------------------------------------------------------
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@@ -19,6 +19,7 @@ import GF.Infra.Print
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import GF.Formalism.GCFG
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import GF.Formalism.SimpleGFC
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import GF.Formalism.Utilities
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import GF.Conversion.Types
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import GF.Data.SortedList
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@@ -4,9 +4,9 @@
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/05/09 09:28:44 $
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-- > CVS $Date: 2005/05/13 12:40:19 $
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-- > CVS $Author: peb $
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-- > CVS $Revision: 1.5 $
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-- > CVS $Revision: 1.6 $
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--
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-- Converting SimpleGFC grammars to MCFG grammars, nondeterministically.
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-- Afterwards, the grammar has to be extended with coercion functions,
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@@ -60,7 +60,7 @@ convertGrammar rules = traceCalcFirst rules' $
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convertRule :: SRule -> [ERule] -- CnvMonad ERule
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convertRule (Rule (Abs decl decls fun) (Cnc ctype ctypes (Just term))) =
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-- | prt(name2fun fun) `elem`
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-- | prt(name2fun fun) `elem`
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-- words "UseCl PosTP TPast ASimul SPredV IndefOneNP DefOneNP UseN2 mother_N2 jump_V" =
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if notLongerThan maxNrRules rules
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then tracePrt ("SimpeToMCFG.Nondet - MCFG rules for " ++ prt fun) (prt . length) $
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@@ -78,7 +78,7 @@ convertRule (Rule (Abs decl decls fun) (Cnc ctype ctypes (Just term))) =
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catPaths : argsPaths = map (lintype2paths emptyPath) (ctype : ctypes)
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-- checkLinRec argsPaths catPaths newLinRec
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return $ Rule (Abs newCat newArgs fun) (Cnc catPaths argsPaths newLinRec)
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convertRule _ = [] -- failure
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convertRule _ = [] -- failure
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----------------------------------------------------------------------
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@@ -4,9 +4,9 @@
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-- Stability : (stable)
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-- Portability : (portable)
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--
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-- > CVS $Date: 2005/05/09 09:28:44 $
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-- > CVS $Date: 2005/05/13 12:40:19 $
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-- > CVS $Author: peb $
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-- > CVS $Revision: 1.8 $
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-- > CVS $Revision: 1.9 $
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--
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-- All possible instantiations of different grammar formats used in conversion from GFC
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-----------------------------------------------------------------------------
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@@ -27,6 +27,7 @@ import GF.Infra.Print
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import GF.Data.Assoc
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import Control.Monad (foldM)
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import Data.List (intersperse)
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----------------------------------------------------------------------
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-- * basic (leaf) types
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@@ -38,67 +39,7 @@ type Token = String
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-- ** function names
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type Fun = Ident.Ident
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data Name = Name Fun [Profile (SyntaxForest Fun)]
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deriving (Eq, Ord, Show)
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name2fun :: Name -> Fun
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name2fun (Name fun _) = fun
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----------------------------------------------------------------------
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-- * profiles
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-- | A profile is a simple representation of a function on a number of arguments.
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-- We only use lists of profiles
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data Profile a = Unify [Int] -- ^ The Int's are the argument positions.
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-- 'Unify []' will become a metavariable,
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-- 'Unify [a,b]' means that the arguments are equal,
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| Constant a
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deriving (Eq, Ord, Show)
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instance Functor Profile where
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fmap f (Constant a) = Constant (f a)
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fmap f (Unify xs) = Unify xs
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-- | a function name where the profile does not contain arguments
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-- (i.e. denoting a constant, not a function)
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constantNameToForest :: Name -> SyntaxForest Fun
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constantNameToForest name@(Name fun profile) = FNode fun [map unConstant profile]
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where unConstant (Constant a) = a
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unConstant (Unify []) = FMeta
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unConstant _ = error $ "constantNameToForest: the profile should not contain arguments: " ++ prt name
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-- | profile application; we need some way of unifying a list of arguments
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applyProfile :: ([b] -> a) -> [Profile a] -> [b] -> [a]
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applyProfile unify profile args = map apply profile
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where apply (Unify xs) = unify $ map (args !!) xs
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apply (Constant a) = a
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-- | monadic profile application
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applyProfileM :: Monad m => ([b] -> m a) -> [Profile a] -> [b] -> m [a]
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applyProfileM unify profile args = mapM apply profile
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where apply (Unify xs) = unify $ map (args !!) xs
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apply (Constant a) = return a
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-- | profile composition:
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--
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-- > applyProfile u z (ps `composeProfiles` qs) args
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-- > ==
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-- > applyProfile u z ps (applyProfile u z qs args)
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--
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-- compare with function composition
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--
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-- > (p . q) arg
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-- > ==
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-- > p (q arg)
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--
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-- Note that composing an 'Constant' with two or more arguments returns an error
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-- (since 'Unify' can only take arguments) -- this might change in the future, if there is a need.
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composeProfiles :: [Profile a] -> [Profile a] -> [Profile a]
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composeProfiles ps qs = map compose ps
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where compose (Unify [x]) = qs !! x
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compose (Unify xs) = Unify [ y | x <- xs, let Unify ys = qs !! x, y <- ys ]
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compose constant = constant
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type Name = NameProfile Fun
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----------------------------------------------------------------------
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@@ -191,12 +132,99 @@ instance Print MCat where
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instance Print CCat where
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prt (CCat cat label) = prt cat ++ prt label
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instance Print Name where
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prt (Name fun profile) = prt fun ++ prt profile
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instance Print a => Print (Profile a) where
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prt (Unify []) = "?"
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prt (Unify args) = prtSep "=" args
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prt (Constant a) = prt a
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----------------------------------------------------------------------
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-- * other printing facilities
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-- ** printing grammars as Haskell files
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prtHsSGrammar :: SGrammar -> String
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prtHsSGrammar rules = "-- Simple GFC grammar as a Haskell file\n" ++
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"-- autogenerated from the Grammatical Framework\n\n" ++
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"import GF.Formalism.GCFG\n" ++
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"import GF.Formalism.SimpleGFC\n" ++
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"import GF.Formalism.Utilities\n" ++
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"--import GF.Conversion.Types\n" ++
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"import GF.Canon.AbsGFC (CIdent(..), Label(..))\n" ++
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"import GF.Infra.Ident (Ident(..))\n" ++
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"\ngrammar :: SimpleGrammar Ident (NameProfile Ident) String\n" ++
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-- "\ngrammar :: SGrammar\n" ++
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"grammar = \n\t[ " ++
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concat (intersperse "\n\t, " (map show rules)) ++
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"\n\t]\n\n"
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prtHsMGrammar :: MGrammar -> String
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prtHsMGrammar rules = "-- Multiple context-free grammar as a Haskell file\n" ++
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"-- autogenerated from the Grammatical Framework\n\n" ++
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"import GF.Formalism.GCFG\n" ++
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"import GF.Formalism.MCFG\n" ++
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"import GF.Formalism.Utilities\n" ++
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"\ngrammar :: MCFGrammar String (NameProfile String) String String\n" ++
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"grammar = \n\t[ " ++
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concat (intersperse "\n\t, " (map prtHsMRule rules)) ++
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"\n\t]\n\n"
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where prtHsMRule (Rule (Abs cat cats (Name fun profiles)) (Cnc lcat lcats lins)) =
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show (Rule (Abs (prt cat) (map prt cats) (Name (prt fun) (map cnvHsProfile profiles)))
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(Cnc (map prt lcat) (map (map prt) lcats) (map cnvHsLin lins)))
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cnvHsLin (Lin lbl syms) = Lin (prt lbl) (map (mapSymbol prtMArg id) syms)
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prtMArg (cat, lbl, nr) = (prt cat, prt lbl, nr)
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prtHsCGrammar :: CGrammar -> String
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prtHsCGrammar rules = "-- Context-free grammar as a Haskell file\n" ++
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"-- autogenerated from the Grammatical Framework\n\n" ++
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"import GF.Formalism.CFG\n" ++
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"import GF.Formalism.Utilities\n" ++
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"\ngrammar :: CFGrammar String (NameProfile String) String\n" ++
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"grammar = \n\t[ " ++
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concat (intersperse "\n\t, " (map prtHsCRule rules)) ++
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"\n\t]\n\n"
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where prtHsCRule (CFRule cat syms (Name fun profiles)) =
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show (CFRule (prt cat) (map (mapSymbol prt id) syms)
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(Name (prt fun) (map cnvHsProfile profiles)))
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cnvHsProfile (Unify args) = Unify args
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cnvHsProfile (Constant forest) = Constant (fmap prt forest)
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-- ** printing grammars as Prolog files
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prtPlMGrammar :: MGrammar -> String
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prtPlMGrammar rules = ":- op(1100, xfx, ':=').\n" ++
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":- op(1000, xfx, '--->').\n" ++
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":- op(200, xfx, '@').\n\n" ++
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"%% Fun/ProfileList : Cat ---> [Cat,...] := [Lbl=SymbolList,...]\n" ++
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concatMap prtPlMRule rules
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where prtPlMRule (Rule (Abs cat cats (Name fun profiles)) (Cnc _lcat _lcats lins)) =
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prtPlQuoted fun ++ "/" ++
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"[" ++ prtSep "," (map prtPlProfile profiles) ++ "] : " ++
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prtPlQuoted cat ++ " ---> " ++
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"[" ++ prtSep ", " (map prtPlQuoted cats) ++ "] := \n" ++
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"\t[ " ++ prtSep "\n\t, " (map prtLin lins) ++ "\n\t].\n"
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prtLin (Lin lbl lin) = prtPlQuoted lbl ++ " = " ++
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"[" ++ prtSep ", " (map prtSymbol lin) ++ "]"
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prtSymbol (Cat (cat, lbl, nr)) = prtPlQuoted cat ++ "@" ++ show nr ++ "-" ++ prtPlQuoted lbl
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prtSymbol (Tok tok) = "[" ++ prtPlQuoted tok ++ "]"
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prtPlCGrammar :: CGrammar -> String
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prtPlCGrammar rules = ":- op(1000, xfx, '--->').\n\n" ++
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"%% Fun/ProfileList : Cat ---> [Symbol,...]\n" ++
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concatMap prtPlCRule rules
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where prtPlCRule (CFRule cat syms (Name fun profiles)) =
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prtPlQuoted fun ++ "/" ++
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"[" ++ prtSep "," (map prtPlProfile profiles) ++ "] : " ++
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prtPlQuoted cat ++ " ---> " ++
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"[" ++ prtSep ", " (map prtSymbol syms) ++ "].\n"
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prtSymbol (Cat cat) = prtPlQuoted cat
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prtSymbol (Tok tok) = "[" ++ prtPlQuoted tok ++ "]"
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prtPlProfile (Unify args) = show args
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prtPlProfile (Constant forest) = prtPlForest forest
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prtPlForest (FMeta) = "_META_"
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prtPlForest (FNode fun fss) = prtPlQuoted fun ++ "^" ++ prtFss fss
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where prtFss fss = "[" ++ prtSep "," (map prtFs fss) ++ "]"
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prtFs fs = "[" ++ prtSep "," (map prtPlForest fs) ++ "]"
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prtPlQuoted str = "'" ++ prt str ++ "'"
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