import sys
from pylox.lox import Lox, LoxRepl
DEBUG = False
if __name__ == "__main__":
args = sys.argv[1:] # arg 0 is the name of this script
lox = Lox(debug=DEBUG)
if len(args) == 0:
LoxRepl(lox).run()
elif len(args) == 1:
lox.run_file(args[0])
else:
print('nah')
description=
"Yet another implementation of the Lox interpreter in Python",
allow_abbrev=False)
parser.add_argument("-c",
metavar="STRING",
type=str,
required=False,
help="source string to execute")
parser.add_argument("source",
metavar="FILE",
nargs="?",
type=str,
default=None,
help="the .lox file to interpret")
parser.add_argument(
"--dbg",
choices=tuple(option.name for option in Debug),
default=list(),
action="append",
help="pylox debugging options, multiple --dbg arguments can be passed")
args, extra_args = parser.parse_known_args()
lox = Lox(reduce(lambda a, b: a | Debug[b], args.dbg,
Debug.BACKTRACE)) # Collapse all flags passed.
if args.c:
lox.run(args.c)
elif args.source:
lox.run_file(args.source)
else:
lox.run_interactive()