Files
gf-core/examples/test/parser/Parse.hs
2008-10-20 09:40:09 +00:00

35 lines
1.1 KiB
Haskell

import PGF
import Data.Maybe
import System.IO
import System.CPUTime
import Control.Monad
main = do
pgf <- readPGF "grammar.pgf"
ts <- fmap (map (fromJust . readTree) . lines) $ readFile "trees.txt"
ss <- foldM (doTest pgf (mkCId "LangGer") (fromJust (readType "Phr"))) [] ts
mapM_ (hPutStrLn stderr . show) [(fromIntegral s / fromIntegral n)/1000000000 | (s,n) <- ss]
putStrLn "Done."
doTest pgf lang cat ss t = do
let s = linearize pgf lang t
putStr (s ++ " ... ")
let st = initState pgf lang cat
t1 <- getCPUTime
res <- doParse st t1 [] (words s)
case res of
Just (st,ts) -> putStrLn "Ok" >> return (accum ts ss)
Nothing -> putStrLn "Fail" >> return ss
doParse st t1 ts [] = return (Just (st,reverse ts))
doParse st t1 ts (tk:tks) = do
case nextState st tk of
Nothing -> return Nothing
Just st -> do t2 <- getCPUTime
doParse st t1 ((t2-t1):ts) tks
accum [] ss = ss
accum (t:ts) [] = (t,1) : accum ts []
accum (t:ts) ((s,n):ss) = (s+t,n+1) : accum ts ss