feat(extraction): add Clojure language support - #1460
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Clojure is homoiconic — there are no definition node types. `(defn f [x])`, `(if a b)` and `(foo 1)` are all the same `list_lit` node, and meaning comes from the head symbol. Mapping `functionTypes: ['list_lit']` would classify every form in the language as a function, so every declarative node-type list is empty and extraction runs entirely through the `visitNode` hook — the one the core documents for languages with fundamentally different AST structures. Grammar vendored from sogaiu/tree-sitter-clojure @ e43eff8 (CC0-1.0), built with tree-sitter-cli 0.26.11 (`build --wasm`, ABI 14). Passes the project's grammar health check; the module statically links no libc. Maps defn/defn-/defmacro/definline/defmulti/deftest to functions, defmethod to methods, defprotocol/definterface to interfaces, defrecord/deftype to classes, def/defonce/defstate to constants, and ns to a module with :require/:import edges. Captures alias-qualified and bare calls, and `#'var` quoted references so private vars reached from test suites still resolve to callers. DEF_KINDS is a Map, not an object literal: `(Long/valueOf x)` reduces to the bare name `valueOf`, which on an object literal resolves to Object.prototype.valueOf — a function — which then became a node kind and killed the parse worker with a non-cloneable node. Capitalised symbol namespaces are treated as host interop and excluded from call edges. Verified on a 1,094-file Clojure repo: 1.2s, zero parse errors, namespace / multimethod / record counts exact against ground truth.
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Disclaimer: this PR was created with the help of Anthropic's Opus 5
Clojure is homoiconic — there are no definition node types.
(defn f [x]),(if a b)and(foo 1)are all the samelist_litnode, and meaning comes from the head symbol. MappingfunctionTypes: ['list_lit']would classify every form in the language as a function, so every declarative node-type list is empty and extraction runs entirely through thevisitNodehook — the one the core documents for languages with fundamentally different AST structures.Grammar vendored from sogaiu/tree-sitter-clojure @ e43eff8 (CC0-1.0), built with tree-sitter-cli 0.26.11 (
build --wasm, ABI 14). Passes the project's grammar health check; the module statically links no libc.Maps defn/defn-/defmacro/definline/defmulti/deftest to functions, defmethod to methods, defprotocol/definterface to interfaces, defrecord/deftype to classes, def/defonce/defstate to constants, and ns to a module with :require/:import edges. Captures alias-qualified and bare calls, and
#'varquoted references so private vars reached from test suites still resolve to callers.DEF_KINDS is a Map, not an object literal:
(Long/valueOf x)reduces to the bare namevalueOf, which on an object literal resolves to Object.prototype.valueOf — a function — which then became a node kind and killed the parse worker with a non-cloneable node. Capitalised symbol namespaces are treated as host interop and excluded from call edges.Verified on a 1,094-file Clojure repo: 1.2s, zero parse errors, namespace / multimethod / record counts exact against ground truth.