defmulti/defmethod become macros (30-macros) over ctx-capturing clojure.core fns (defmulti-setup/defmethod-setup, interned by install-stateful-fns!): - defmulti: (defmulti name dispatch & opts) -> (defmulti-setup 'name dispatch ~@opts). name quoted; dispatch + opts (:default/:hierarchy) evaluated. defmulti-setup builds the dispatch closure over the method table and interns the var (same hierarchy/default/cache behavior). - defmethod: (defmethod mm dval & fn-tail) -> (defmethod-setup 'mm dval (fn ~@fn-tail)). The method impl is now a COMPILED (fn …) (was an interpreted fn* eval). Auto-creates the multimethod if missing. - removed their special-symbol? entries + eval-list arms, and dropped them from host_iface special-names + loader stateful-head?. Both compile + interpret as plain invokes; dispatch incl. :default and derive/hierarchy works in both modes. Tests: evaluator-test (defmulti case) + namespace-test now use init (these forms are overlay macros now, so a bare make-ctx lacks them). Gate green: conformance 269x3, fallback-zero 38/4, bootstrap-fixpoint stage1==2==3, self-host, staged-bootstrap, sci-bootstrap, clojure-test-suite >=4034/67, features 78/78, all unit + spec (multimethods 16/16). |
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| clojure/core | ||
| jolt | ||