From 3b39607bbac8e6ab99198ab608f14e1f84c2f60e Mon Sep 17 00:00:00 2001 From: aarne Date: Thu, 24 Jun 2004 14:06:09 +0000 Subject: last-minute bug fixes --- src/GF/Source/TestGF.hs | 18 +++++++++++++++--- 1 file changed, 15 insertions(+), 3 deletions(-) (limited to 'src/GF/Source/TestGF.hs') diff --git a/src/GF/Source/TestGF.hs b/src/GF/Source/TestGF.hs index 89700bda6..b236f1347 100644 --- a/src/GF/Source/TestGF.hs +++ b/src/GF/Source/TestGF.hs @@ -1,5 +1,9 @@ -- automatically generated by BNF Converter -module TestGF where +module Main where + + +import IO ( stdin, hGetContents ) +import System ( getArgs, getProgName ) import LexGF import ParGF @@ -13,13 +17,21 @@ type ParseFun a = [Token] -> Err a myLLexer = myLexer -runFile :: (Print a, Show a) => ParseFun a -> FilePath -> IO() +runFile :: (Print a, Show a) => ParseFun a -> FilePath -> IO () runFile p f = readFile f >>= run p -run :: (Print a, Show a) => ParseFun a -> String -> IO() +run :: (Print a, Show a) => ParseFun a -> String -> IO () run p s = case (p (myLLexer s)) of Bad s -> do putStrLn "\nParse Failed...\n" putStrLn s Ok tree -> do putStrLn "\nParse Successful!" putStrLn $ "\n[Abstract Syntax]\n\n" ++ show tree putStrLn $ "\n[Linearized tree]\n\n" ++ printTree tree + +main :: IO () +main = do args <- getArgs + case args of + [] -> hGetContents stdin >>= run pGrammar + [f] -> runFile pGrammar f + _ -> do progName <- getProgName + putStrLn $ progName ++ ": excess arguments." -- cgit v1.2.3