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Add full Dart language support via tree-sitter grammar from go-sitter-forest/dart. Includes chunker registration with 11 query patterns covering classes, mixins, enums, extensions, functions, methods, typedefs, and constructors. Closes #60 - Register .dart extension with tree-sitter query patterns - Add findEnclosingSymbol support for Dart class_body/extension_body (scoped to Dart-specific parent types to avoid Python/Java/TS impact) - Unit test with comprehensive Dart sample code - Adversarial test covering async, generators, sealed/abstract classes, factory/named constructors, enhanced enums, comment exclusions - E2E snapshot test with 18 fixture files from dart-lang/shelf - bench-swe task using shelf_router HEAD content-length RFC bug - Benchmark results: 76% cheaper, 79% faster, 84% fewer tokens with lumen Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
Dart showed the strongest benchmark results across all 9 languages: 76% cost reduction, 79% time reduction, 82% fewer output tokens. Update all summary tables, per-language rankings, and the supported languages table in README. Co-Authored-By: Claude Opus 4.6 (1M context) <noreply@anthropic.com>
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@jkoenig134 the numbers looks pretty good :D |
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@aeneasr wow, awesome!! |
Snapshots were missing from the initial Dart implementation commit, causing CI to fail on first run (cupaloy creates snapshots and fails). Captured from CI run #23661290108. Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
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Summary
go-sitter-forest/darttree-sitter grammarfindEnclosingSymbolsupport for qualified Dart method names (scoped to Dart-specificclass_body/extension_bodyto avoid Python/Java/TS regression)dart-lang/shelf(BSD-3-Clause) with snapshot testCloses #60
Benchmark Results
Test plan
go test ./...— all 10 packages pass, zero failuresgolangci-lint run— zero issuesTestTreeSitterChunker_Dart_Comprehensive— verifies chunking of classes, methods, mixins, enums, extensions, typedefsTestAdversarial_Dart— verifies edge cases and false positive exclusionTestAdversarial_ChunkInvariants— includes.dartin cross-language invariant checksTestDefaultLanguages_AllExtensionsPresent— verifies.dartregisteredTestLang_DartE2E snapshot test (requires Ollama with embedding model)🤖 Generated with Claude Code