| 25 | |
| 26 | |
| 27 | class Node: |
| 28 | def __init__(self, s, loc, tokens, rule=None): |
| 29 | self.rule = rule or (type(self).__name__) |
| 30 | self.tokens = tokens.asDict() |
| 31 | self.flat = sum([getattr(t, "flat", [t]) for t in tokens.asList()], []) |
| 32 | if rule is None: |
| 33 | self.init() |
| 34 | |
| 35 | def __repr__(self): |
| 36 | return "%s(%s)" % (self.rule, ",".join("%s:%s" % i for i in self.tokens.items())) |
| 37 | |
| 38 | def __getattr__(self, k): |
| 39 | return self.tokens.get(k) |
| 40 | |
| 41 | def __getstate__(self): |
| 42 | return self.__dict__ |
| 43 | |
| 44 | def __setstate__(self, d): |
| 45 | self.__dict__.update(d) |
| 46 | |
| 47 | def init(self): |
| 48 | pass |
| 49 | |
| 50 | def any(self): |
| 51 | return next(iter(self.tokens.values())) |
| 52 | |
| 53 | |
| 54 | class ListNode: |