giles
17d6f58cc5
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Real bug: the worklist used (set! queue (rest queue)) to pop the head, which left queue bound to a fresh empty list as soon as the last item was popped. Subsequent (append! queue ...) was a no-op on the empty list — so when the head's rewrite generated new (rel, adn) pairs to enqueue, they vanished. Multi-relation programs (e.g. shortest -> path -> edge, or chained derived relations) only had their head's rules rewritten; downstream rules silently dropped. Fix: use an index-based loop (idx 0 → len queue), with append! adding to the same list. Items added after the current pointer are picked up in subsequent iterations. 2 new regression tests: - 4-level chain (a → r1 → r2 → r3 → r4) under magic returns 2 - shortest-path demo via magic equals dl-query (1 result)
21 lines
775 B
JSON
21 lines
775 B
JSON
{
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"lang": "datalog",
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"total_passed": 239,
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"total_failed": 0,
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"total": 239,
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"suites": [
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{"name":"tokenize","passed":26,"failed":0,"total":26},
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{"name":"parse","passed":20,"failed":0,"total":20},
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{"name":"unify","passed":28,"failed":0,"total":28},
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{"name":"eval","passed":32,"failed":0,"total":32},
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{"name":"builtins","passed":23,"failed":0,"total":23},
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{"name":"semi_naive","passed":8,"failed":0,"total":8},
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{"name":"negation","passed":10,"failed":0,"total":10},
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{"name":"aggregates","passed":20,"failed":0,"total":20},
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{"name":"api","passed":20,"failed":0,"total":20},
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{"name":"magic","passed":31,"failed":0,"total":31},
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{"name":"demo","passed":21,"failed":0,"total":21}
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],
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"generated": "2026-05-08T14:40:44+00:00"
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}
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