Morphological analysis and glueing.

This commit is contained in:
aarne
2003-11-10 07:55:45 +00:00
parent 4c99687f21
commit 249d506f58
13 changed files with 84 additions and 34 deletions

View File

@@ -3,8 +3,14 @@ module Morphology where
import AbsGFC
import GFC
import PrGrammar
import CMacros
import LookAbs
import Ident
import qualified Macros as M
import Linear
import Operations
import Glue
import Char
import List (sortBy, intersperse)
@@ -40,35 +46,33 @@ appMorphoOnly m s = (s, ms) where
isKnownWord :: Morpho -> String -> Bool
isKnownWord mo = not . null . snd . appMorphoOnly mo
mkMorpho :: CanonGrammar -> Morpho
mkMorpho gr = emptyMorpho ----
{- ----
mkMorpho gr = mkMorphoTree $ concat $ map mkOne $ allItems where
mkMorpho :: CanonGrammar -> Ident -> Morpho
---- mkMorpho gr = emptyMorpho ----
mkMorpho gr a = mkMorphoTree $ concat $ map mkOne $ allItems where
mkOne (Left (fun,c)) = map (prOne fun c) $ allLins fun
mkOne (Right (fun,_)) = map (prSyn fun) $ allSyns fun
-- gather forms of lexical items
allLins fun = errVal [] $ do
ts <- allLinsOfFun gr fun
allLins fun@(m,f) = errVal [] $ do
ts <- allLinsOfFun gr (CIQ a f)
ss <- mapM (mapPairsM (mapPairsM (return . wordsInTerm))) ts
return [(p,s) | (p,fs) <- concat $ map snd $ concat ss, s <- fs]
prOne f c (ps,s) = (s, prt f +++ tagPrt c ++ concat (map tagPrt ps))
prOne (_,f) c (ps,s) = (s, prt f +++ tagPrt c ++ concat (map prt_ ps))
-- gather syncategorematic words
allSyns fun = errVal [] $ do
tss <- allLinsOfFun gr fun
allSyns fun@(m,f) = errVal [] $ do
tss <- allLinsOfFun gr (CIQ a f)
let ss = [s | ts <- tss, (_,fs) <- ts, (_,s) <- fs]
return $ concat $ map wordsInTerm ss
prSyn f s = (s, "+<syncategorematic>" ++ tagPrt f)
-- all words, Left from lexical rules and Right syncategorematic
allItems = [lexRole t (f,c) | (f,c) <- allFuns, t <- lookType f] where
allFuns = allFunsWithValCat ab
lookType = errVal [] . liftM (:[]) . lookupFunType ab
lexRole t = case typeForm t of
allItems = [lexRole t (f,c) | (f,c,t) <- allFuns] where
allFuns = [(f,c,t) | (f,t) <- funRulesOf gr, Ok c <- [M.valCat t]]
lexRole t = case M.typeForm t of
Ok ([],_,_) -> Left
_ -> Right
-}
-- printing full-form lexicon and results
@@ -82,8 +86,8 @@ prMorphoAnalysisShort :: (String,[String]) -> String
prMorphoAnalysisShort (w,fs) = prBracket (w' ++ prTList "/" fs) where
w' = if null fs then w +++ "*" else ""
tagPrt :: Print a => a -> String
tagPrt = ("+" ++) . prt --- could look up print name in grammar
tagPrt :: Print a => (a,a) -> String
tagPrt (m,c) = "+" ++ prt c --- module name
-- print all words recognized
@@ -99,6 +103,15 @@ prFullForm :: Morpho -> String
prFullForm = unlines . map prOne . tree2list where
prOne (s,ps) = s ++ " : " ++ unwords (intersperse "/" ps)
-- using Huet's unglueing method to find word boundaries
---- it would be much better to use a trie also for morphological analysis,
---- so this is for the sake of experiment
---- Moreover, we should specify the cases in which this happens - not all words
decomposeWords :: Morpho -> String -> [String]
decomposeWords mo s = errVal (words s) $
decomposeSimple (tcompileSimple (map fst $ tree2list mo)) s
-- auxiliaries
mkMorphoTree :: (Ord a, Eq b) => [(a,b)] -> BinTree (a,[b])