program :: String,
lex :: Bool,
parse :: Bool,
- selftest :: Bool,
fp :: Maybe String,
help :: Bool}
<<< " --version Show the version\n"
<<< " --[no-]lex Lexer output(default: disabled)\n"
<<< " --[no-]parse Parser output(default: enabled)\n"
- <<< " --[no-]selftest Feed pprint parse back(default: disabled)\n"
= snd $ fclose stdin w
# (contents, stdin, w) = readFileOrStdin stdin args.fp w
= case contents of
version=False,
lex=False,
parse=True,
- selftest=False,
fp=Nothing,
help=False}, w)
where
pa ["--no-lex":r] o = pa r {o & lex=False}
pa ["--parse":r] o = pa r {o & parse=True}
pa ["--no-parse":r] o = pa r {o & parse=False}
- pa ["--selftest":r] o = pa r {o & selftest=True}
- pa ["--no-selftest":r] o = pa r {o & selftest=False}
pa [x:r] o = pa r {o & fp=Just x}
readFileOrStdin :: *File (Maybe String) *World -> *(Either String [Char], *File, *World)