Erez Sh
6 years ago
1 changed files with 5 additions and 5 deletions
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+ 5
- 5
lark/parsers/lalr_analysis.py
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| @@ -262,23 +262,23 @@ class LALR_Analyzer(GrammarAnalyzer): | |||||
| actions[la] = (Reduce, list(rules)[0]) | actions[la] = (Reduce, list(rules)[0]) | ||||
| m[state] = { k.name: v for k, v in actions.items() } | m[state] = { k.name: v for k, v in actions.items() } | ||||
| self.states = { k.closure: v for k, v in m.items() } | |||||
| states = { k.closure: v for k, v in m.items() } | |||||
| # compute end states | # compute end states | ||||
| end_states = {} | end_states = {} | ||||
| for state in self.states: | |||||
| for state in states: | |||||
| for rp in state: | for rp in state: | ||||
| for start in self.lr0_start_states: | for start in self.lr0_start_states: | ||||
| if rp.rule.origin.name == ('$root_' + start) and rp.is_satisfied: | if rp.rule.origin.name == ('$root_' + start) and rp.is_satisfied: | ||||
| assert(not start in end_states) | assert(not start in end_states) | ||||
| end_states[start] = state | end_states[start] = state | ||||
| self._parse_table = ParseTable(self.states, { start: state.closure for start, state in self.lr0_start_states.items() }, end_states) | |||||
| _parse_table = ParseTable(states, { start: state.closure for start, state in self.lr0_start_states.items() }, end_states) | |||||
| if self.debug: | if self.debug: | ||||
| self.parse_table = self._parse_table | |||||
| self.parse_table = _parse_table | |||||
| else: | else: | ||||
| self.parse_table = IntParseTable.from_ParseTable(self._parse_table) | |||||
| self.parse_table = IntParseTable.from_ParseTable(_parse_table) | |||||
| def compute_lalr(self): | def compute_lalr(self): | ||||
| self.compute_lr0_states() | self.compute_lr0_states() | ||||