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New lib/datalog/strata.sx: dl-build-dep-graph (relation -> deps with :neg flag), Floyd-Warshall reachability, SCC-via-mutual-reach for non-stratifiability detection, iterative dl-compute-strata, and dl-group-rules-by-stratum. eval.sx refactor: - dl-saturate-rules! db rules — semi-naive worker over a rule subset - dl-saturate! db — stratified driver. Rejects non-stratifiable programs at saturation time, then iterates strata in order - dl-match-negation — succeeds iff inner positive match is empty Order-aware safety in dl-rule-check-safety (Phase 4) already required negation vars to be bound by a prior positive literal. Stratum dict keys are strings (SX dicts don't accept ints). Phase 6 magic sets deferred — opt-in path, semi-naive default suffices for current workloads.
25 lines
743 B
Plaintext
25 lines
743 B
Plaintext
# Datalog conformance config — sourced by lib/guest/conformance.sh.
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LANG_NAME=datalog
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MODE=dict
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PRELOADS=(
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lib/datalog/tokenizer.sx
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lib/datalog/parser.sx
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lib/datalog/unify.sx
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lib/datalog/db.sx
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lib/datalog/builtins.sx
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lib/datalog/strata.sx
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lib/datalog/eval.sx
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)
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SUITES=(
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"tokenize:lib/datalog/tests/tokenize.sx:(dl-tokenize-tests-run!)"
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"parse:lib/datalog/tests/parse.sx:(dl-parse-tests-run!)"
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"unify:lib/datalog/tests/unify.sx:(dl-unify-tests-run!)"
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"eval:lib/datalog/tests/eval.sx:(dl-eval-tests-run!)"
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"builtins:lib/datalog/tests/builtins.sx:(dl-builtins-tests-run!)"
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"semi_naive:lib/datalog/tests/semi_naive.sx:(dl-semi-naive-tests-run!)"
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"negation:lib/datalog/tests/negation.sx:(dl-negation-tests-run!)"
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)
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