diff options
| author | aarne <aarne@cs.chalmers.se> | 2008-11-11 09:21:59 +0000 |
|---|---|---|
| committer | aarne <aarne@cs.chalmers.se> | 2008-11-11 09:21:59 +0000 |
| commit | db18350b1e55f7edfca8f02b0b233a6a7dcbb1ec (patch) | |
| tree | 525fd7fc741c53a4021d1edd9538452ee388e4d3 /examples/tutorial/embedded/TransferLoop.hs | |
| parent | ca59050abc8efccfb59b93cfbd8da93556605928 (diff) | |
fixed some tutorial grammars and updated embedded section (JavaScript and web TODO)
Diffstat (limited to 'examples/tutorial/embedded/TransferLoop.hs')
| -rw-r--r-- | examples/tutorial/embedded/TransferLoop.hs | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/examples/tutorial/embedded/TransferLoop.hs b/examples/tutorial/embedded/TransferLoop.hs new file mode 100644 index 000000000..58498da11 --- /dev/null +++ b/examples/tutorial/embedded/TransferLoop.hs @@ -0,0 +1,21 @@ +module Main where + +import PGF +import TransferDef (transfer) + +main :: IO () +main = do + gr <- readPGF "Query.pgf" + loop (translate transfer gr) + +loop :: (String -> String) -> IO () +loop trans = do + s <- getLine + if s == "quit" then putStrLn "bye" else do + putStrLn $ trans s + loop trans + +translate :: (Tree -> Tree) -> PGF -> String -> String +translate tr gr s = case parseAllLang gr (startCat gr) s of + (lg,t:_):_ -> linearize gr lg (tr t) + _ -> "NO PARSE" |
