From db18350b1e55f7edfca8f02b0b233a6a7dcbb1ec Mon Sep 17 00:00:00 2001 From: aarne Date: Tue, 11 Nov 2008 09:21:59 +0000 Subject: fixed some tutorial grammars and updated embedded section (JavaScript and web TODO) --- examples/tutorial/embedded/TransferLoop.hs | 21 +++++++++++++++++++++ 1 file changed, 21 insertions(+) create mode 100644 examples/tutorial/embedded/TransferLoop.hs (limited to 'examples/tutorial/embedded/TransferLoop.hs') 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" -- cgit v1.2.3