[dependabot]

Bumps github.com/odvcencio/gotreesitter from 0.16.0 to 0.20.5.

Release notes

Sourced from github.com/odvcencio/gotreesitter's releases.

v0.20.3

Patch release on the 0.20 line: parser error-recovery fixes (two community PRs from @​richardwooding) plus a Go normalization safety fix.

Fixed

• C# namespace-internal-error recovery (#115). C# files whose namespace body does not parse cleanly no longer collapse into a single top-level ERROR node with zero recoverable declarations. Namespace recovery now falls back to a best-effort namespace_declaration built from the existing sub-parse, surfacing the type declarations (and the members that parsed). Brace matching during recovery is now trivia-aware, so braces inside char literals, strings, and comments no longer truncate a recovered declaration's span.
• Swift comparison-in-condition recovery (#118). Swift functions whose if/while condition contains a comparison operator (< / > / ==, etc.) no longer collapse into an ERROR tree with no recoverable function_declaration. The body brace was being consumed as a trailing closure of the condition's last operand; recovery now re-parses the affected conditions with synthetic parentheses and maps the result back to byte-faithful original coordinates.
• Go selector-chain normalization. normalizeGoDotLeafChildren now walks dotted-selector chains with an iterative DFS instead of recursion, removing a stack-depth risk on very long selector chains.

Changed

• Removed dead unexported code (#117).

Known issues

• #111 (JavaScript standalone block followed by a simple assignment — {a}b=c — collapsing to a root ERROR) remains open. A banked, skipped regression test ships with this release. The root cause is the JSX-attribute-continuation ASI heuristic in the JS scanner suppressing automatic-semicolon insertion for }identifier=…; the fix is targeted for the C-oracle-verified parity line rather than a point patch.

CI is green on the release commit (build, parity-cgo, freshness).

gotreesitter v0.20.2

Patch release for the post-v0.20 parser reliability train.

Fixed:

• #98 / #106: bound C# namespace recovery sub-parses and propagate timeout/cancellation into recovery parses.
• #99 / #107: recover Swift top-level declarations after license headers, including import Foundation followed by declarations.
• #100 / #109: stop inferred Go tags from capturing return types as definition.function.
• #101, #102, #103, #108: align JavaScript/TypeScript optional-chain, TypeScript dynamic import, and Python case-pattern/block-start normalization with C tree-sitter shapes.

Testing:

• #104 adds a multi-language structural corpus parity gate for Go, Java, JavaScript, Python, and TypeScript.
• The merged fix PRs passed focused Docker parity/unit gates plus CI build, freshness, cgo parity smoke, and perf-regression checks.

Note: #105 remains open for the broader forest/ergonomics branch; it is not part of this release.

v0.20.0-rc3 — GLR fork reduction: C to parity

Third release candidate on the 0.20 line. Parser-core GLR performance wins bring C to/below parity with tree-sitter C on real corpus, plus parser correctness fixes and markdown grammargen advances. All changes byte-for-byte C-parity-verified; CI green (build, parity-cgo, perf-regression).

Performance — GLR fork reduction (#96)

Extended the RepetitionShiftConflictChoice resolver to collapse spurious reduce/shift forks where tree-sitter C resolves deterministically (verified per state against C's parser.c — the reduce is a zero-progress dead-end, no conflicts: entanglement).

• C: translation_unit_repeat1 (top-level list) + preproc_if_repeat1 (preprocessor body) collapse — large__cluster.c 20,866 → 1,099 GLR forks (−95%), ~−30% parse wall, bringing C to/below parity.
• Rust: macro token-tree (delim_token_tree_repeat1) continuation-token fork reduction.
• Token source: O(1) valid-external-symbol fast path mirroring C's external_lex_state indexing.
• Consolidated ring A/B (real corpus, n=8): geomean −6.62% — C −30%, java −11%, go −10%, no language regressed.

Fixed

• Race in deferred parent-link wiring (#95)
• Kotlin object declaration misparse (#94)
• grammargen: html_block type 6/7 blank-line termination; link_reference_definition soft-break de-merge

... (truncated)

Changelog

Sourced from github.com/odvcencio/gotreesitter's changelog.

[0.20.5] - 2026-06-24

Changed

• grammargen no longer imports the grammars registry. The grammar.js importer (ImportGrammarJS) previously pulled in grammars for the embedded JavaScript language, which transitively bundled all ~200 grammar blobs (~22MB) into every consumer that merely defined a grammar via the DSL — including taproot and all downstream DSLs. The JS language is now injected via SetJSGrammarProvider; blank-import grammargen/grammarjs (or cmds that need -js) to register it. Net effect: grammargen, taproot, and anything that only defines/loads a grammar are now grammar-registry-free.

[0.20.4] - 2026-06-24

Added

• taproot/walk: a grammar-free core of the taproot harness. It loads a tree-sitter Language from a pre-generated blob (LanguageFromBlob) and navigates the CST (Walker, ParseFromBlob, ParseWithLanguage) depending only on the gotreesitter runtime — not grammargen or the grammars registry. DSLs that embed a generated grammar blob can now parse/highlight without linking the ~200-grammar registry (~22 MB). The grammargen-backed build-from-DSL fallbacks remain in taproot, which re-exports walk.Walker so existing taproot.Walker/Parse callers are unaffected.

[0.20.3] - 2026-06-23

Fixed

• C# files whose namespace body does not parse cleanly no longer collapse into a single top-level ERROR node with zero recoverable declarations. Namespace recovery now falls back to a best-effort namespace_declaration built from the existing sub-parse, surfacing the type declarations (and the members that parsed) instead of discarding the whole file. C# brace matching used during recovery is now trivia-aware, so braces inside char literals, strings and comments no longer truncate a recovered declaration's span (#115).
• Swift functions whose if/while condition contains a comparison operator (< / > / ==, etc.) no longer collapse into an ERROR tree with no recoverable function_declaration. The body brace was being consumed as a trailing closure of the condition's last operand; recovery now re-parses the affected conditions with synthetic parentheses to remove the ambiguity and maps the result back to byte-faithful original coordinates (#118).
• Go: normalizeGoDotLeafChildren now walks dotted-selector chains with an iterative DFS instead of recursion, removing a stack-depth risk on very long selector chains.

Changed

• Removed dead unexported code (#117).

... (truncated)

Commits

• ae51d1e change(grammargen): drop grammars-registry dep via injected JS provider
• ba74552 add(taproot): grammar-free taproot/walk core (no grammargen/grammars)
• beb6825 update(changelog): Update changelog for 0.20.3 release
• 1d5af97 fix: iterative DFS in normalizeGoDotLeafChildren
• 8d67462 chore: remove dead unexported code (#117)
• ac3acbf Merge pull request #119 from richardwooding/fix/swift-comparison-in-condition
• 7f655e6 fix(swift): nest block comments and tidy span reassertion in condition recovery
• 3cb42cb fix(swift): recover functions when a comparison operator appears in an if/whi...
• aeccf2c Merge pull request #116 from richardwooding/fix/csharp-namespace-internal-err...
• d2622b7 fix(csharp): treat @$"..." as verbatim in recovery brace matching
• Additional commits viewable in compare view

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[dependabot]

Superseded by #43.