Lab3 runner: change option -t to -g

[andreasabel]

lab3-testsuite/plt-test-lab3.hs

Lines 90 to 111 in e27cc42

	usage = do
	hPutStrLn stderr "Usage: plt-test-lab3 [--debug] [--no-doubles] [--no-make] [-t|--test DIRECTORY]..."
	hPutStrLn stderr " compiler_code_directory"
	exitFailure
	parseArgs :: [String] -> Maybe Options
	parseArgs argv =
	case getOpt RequireOrder optDescr argv of
	(o,[progdir],[]) -> do
	let options = foldr ($) defaultOptions o
	let testSuite = replaceNull (testSuiteOption options) defaultTestSuite
	return options{ testSuiteOption = testSuite, progDir = progdir }
	(_,_,_) -> Nothing
	where
	optDescr :: [OptDescr (Options -> Options)]
	optDescr = [ Option [] ["debug"] (NoArg enableDebug ) "print debug messages"
	, Option [] ["doubles"] (NoArg enableDoubles ) "include double tests" -- default
	, Option [] ["no-doubles"] (NoArg disableDoubles ) "exclude double tests"
	, Option [] ["no-make"] (NoArg disableMake ) "do not run make"
	, Option ['t'] ["test"] (ReqArg addTest "FILE") "good test case FILE" -- many
	]