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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" |
