diff options
Diffstat (limited to 'prolog/problems/lists/permute_2/common.py')
| -rw-r--r-- | prolog/problems/lists/permute_2/common.py | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/prolog/problems/lists/permute_2/common.py b/prolog/problems/lists/permute_2/common.py index 55c2b48..cbd46d5 100644 --- a/prolog/problems/lists/permute_2/common.py +++ b/prolog/problems/lists/permute_2/common.py @@ -28,6 +28,7 @@ hint_type = { 'predicate_always_false': Hint('predicate_always_false'), 'base_case': Hint('base_case'), 'recursive_case': Hint('recursive_case'), + 'no_insert_or_delete': Hint('no_insert_or_delete'), 'timeout': Hint('timeout'), 'base_case_arbitrary': Hint('base_case_arbitrary'), 'unsuccessful_conc_use': Hint('unsuccessful_conc_use'), @@ -105,7 +106,10 @@ def hint(code, aux_code): # base cases work, the recursive doesn't (but it doesn't timeout) # this may be left as the last, most generic hint if not prolog.engine.ask_truth(engine_id, 'permute([qa,qb], [qb,qa])'): - return [{'id': 'recursive_case'}] + if prolog.util.Token('NAME', 'insert') in tokens or prolog.util.Token('NAME', 'del') in tokens: + return [{'id': 'recursive_case'}] + else: + return [{'id': 'no_insert_or_delete'}] except socket.timeout as ex: return [{'id': 'timeout'}] |