Files
gf-core/src/GF/Canon/TestGFC.hs

47 lines
1.3 KiB
Haskell

-- automatically generated by BNF Converter
module GF.Canon.TestGFC where
import System.IO ( stdin, hGetContents )
import System ( getArgs, getProgName )
import GF.Canon.LexGFC
import GF.Canon.ParGFC
import GF.Canon.SkelGFC
import GF.Canon.PrintGFC
import GF.Canon.AbsGFC
import GF.Data.ErrM
type ParseFun a = [Token] -> Err a
myLLexer = myLexer
type Verbosity = Int
putStrV :: Verbosity -> String -> IO ()
putStrV v s = if v > 1 then putStrLn s else return ()
runFile :: (Print a, Show a) => Verbosity -> ParseFun a -> FilePath -> IO ()
runFile v p f = putStrLn f >> readFile f >>= run v p
run :: (Print a, Show a) => Verbosity -> ParseFun a -> String -> IO ()
run v p s = let ts = myLLexer s in case p ts of
Bad s -> do putStrLn "\nParse Failed...\n"
putStrV v "Tokens:"
putStrV v $ show ts
putStrLn s
Ok tree -> do putStrLn "\nParse Successful!"
putStrV v $ "\n[Abstract Syntax]\n\n" ++ show tree
putStrV v $ "\n[Linearized tree]\n\n" ++ printTree tree
main :: IO ()
main = do args <- getArgs
case args of
[] -> hGetContents stdin >>= run 2 pCanon
"-s":fs -> mapM_ (runFile 0 pCanon) fs
fs -> mapM_ (runFile 2 pCanon) fs