9bc70fd2a9
datalog: db + naive eval + safety analysis (Phase 3, 87/87)
...
Test, Build, and Deploy / test-build-deploy (push) Failing after 51s
db.sx: facts indexed by relation name, rules list, dl-add-fact!
(rejects non-ground), dl-add-rule! (rejects unsafe — head vars
not in positive body). eval.sx: dl-saturate! fixpoint, dl-query
with deduped projected results. Negation and arithmetic raise
clear errors (Phase 4/7 to follow). 15 eval tests: transitive
closure, sibling, same-gen, grandparent, cyclic reach, safety.
2026-05-07 23:41:27 +00:00
8046df7ce5
datalog: unification + substitution + 28 tests (Phase 2, 72/72)
...
Test, Build, and Deploy / test-build-deploy (push) Failing after 53s
dl-unify returns immutable extended subst dict (or nil). dl-walk
chases bindings, dl-apply-subst recursively resolves vars. Lists
unify element-wise so arithmetic compounds work too. dl-ground? and
dl-vars-of for safety analysis (Phase 3).
2026-05-07 23:34:35 +00:00
5c1807c832
datalog: parser + 18 tests + conformance harness (Phase 1 done, 44/44)
...
Test, Build, and Deploy / test-build-deploy (push) Failing after 45s
Tokens → list of {:head :body} / {:query} clauses. SX symbols for
constants and variables (case-distinguished). not(literal) in body
desugars to {:neg literal}. Nested compounds permitted in arg
position for arithmetic; safety analysis (Phase 3) will gate them.
Conformance harness wraps lib/guest/conformance.sh; produces
lib/datalog/scoreboard.{json,md}.
2026-05-07 23:31:24 +00:00
