feat: add call graph extraction and query support#11
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Implement full-stack call graph feature: Rust-based extraction of function calls, method calls, constructors, and imports across 5 languages (TS/JS, Python, Go, Rust), with SQLite storage, NAPI bindings, indexer integration, OpenCode tool, and MCP server support. Rust layer: - Add call_extractor.rs with tree-sitter queries for 5 languages - Add Language::from_string() to types.rs - DB schema v2: symbols, call_edges, branch_symbols tables - Full CRUD + GC for symbols and call edges - 47 Rust tests pass, zero warnings TypeScript layer: - NAPI bindings for extractCalls + 16 Database methods - Indexer integration: extract calls during indexing, branch awareness - call_graph tool (callers/callees queries) - MCP server call_graph tool + health check updates - 352 tests pass, zero type errors
get_callees was returning edges from all branches while get_callers was branch-filtered. This asymmetry could return stale edges from other branches. Add branch parameter and INNER JOIN branch_symbols to get_callees, matching the get_callers pattern. Updated all callers through the full chain: Rust db → NAPI lib → TS wrapper → Indexer → tests.
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Summary
symbols,call_edges, andbranch_symbolstables with full CRUD, GC, and batch operationscall_graphOpenCode tool → MCP server toolWhat's New
Rust Layer (
native/)call_extractor.rs(~411 lines): Tree-sitter query-based call extraction for 5 languagestypescript-calls.scm,python-calls.scm,go-calls.scm,rust-calls.scmLanguage::from_string()added totypes.rssymbols,call_edges,branch_symbolstablesstreaming-iteratordependency addedTypeScript Layer (
src/)extractCallsfunction +CallSiteData,SymbolData,CallEdgeDatatypessrc/native/index.tsgetCallers()/getCallees()public APIcall_graphtool insrc/tools/index.tswith callers/callees direction supportcall_graphtool registration + health check GC fieldsformatHealthCheckupdated for new GC countersTests
tests/call-graph.test.ts: 15 comprehensive tests (extraction, storage, resolution, branch awareness, integration)tests/mcp-server.test.ts(9 tools) andtests/tools-utils.test.ts(new GC fields)Verification
cargo check— zero warningscargo test— 47 tests passnpm run build— TypeScript + Rust build successnpm run typecheck— zero type errorsnpm run test:run— 352 tests pass, 0 failuresnpm run lint— clean