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WalkthroughAdds GDScript support for ChangesGDScript language support
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~60 minutes Change: Feature Sequence Diagram(s)sequenceDiagram
participant Crawler
participant tree_sitter_gdscript
participant GDScriptTags
participant XMLReport
Crawler->>tree_sitter_gdscript: Parse .gd file
tree_sitter_gdscript->>GDScriptTags: Provide syntax nodes
GDScriptTags->>XMLReport: Emit definitions and call references
Suggested reviewers: Merge Risk: ⚪ Minimal · up to GDScript support wiring and release metadata are consistent with the reviewed integration details, with no current merge-blocking risk identified. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 42.22% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 45 functions across 28 files. (3 skipped: 3 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@docs/ARCHITECTURE.md`:
- Line 279: Update the GDScript parser revision documented in ARCHITECTURE.md
from 87 to 97, matching the kParserVer and kIngestParserVerMirror constants.
In `@queries/gdscript/tags.scm`:
- Line 51: Update the enum definition capture around the enumerator_list pattern
so each individual enumerator, rather than the complete list, receives the
definition.constant capture. Preserve the existing name capture while ensuring
every enum member gets its own span and starting line for navigation and source
rendering.
In `@README.md`:
- Line 2641: Update the supported-language table to report 25 grammars and add
the missing GDScript entry for the .gd extension, including the applicable
unsupported-format notes.
In `@src/lintrules.h`:
- Line 136: Update the kExt extension mapping initializer by adding the .gd
entry associated with Lang::GDScript before its closing element, preserving all
existing mappings and the declared 35-row size.
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📒 Files selected for processing (43)
CMakeLists.txtREADME.mdTHIRD_PARTY.mddocs/ARCHITECTURE.mddocs/COMMANDS.mddocs/EVALS.mdpresent/deck5_ripwire_build.jsqueries/gdscript/tags.scmsrc/cli.hsrc/clones.hsrc/htmlexport.hsrc/ingest.cppsrc/ingest_cache.hsrc/ingest_crawl.hsrc/lintcatalog.hsrc/lintrules.hsrc/model.hsrc/nonlocalstate.hsrc/quality.hsrc/serialize.hsrc/tsprobe.cppsrc/verbs_doctor.htest/dartcheck.shtest/dependencypincheck.shtest/elixircheck.shtest/fuzz/seeds/gdscript/validtest/g1configcheck.shtest/gateexitcheck.shtest/gdscriptcheck.shtest/gdscriptfix/blindspots.gdtest/gdscriptfix/hero.gdtest/gdscriptfix/villain.gdtest/printf_parity.manifesttest/qschemetrip.hashtest/regression.shtest/ripwirepubliccheck.shtest/vendorpatchcheck.shthird_party/deps/gdscript/LICENSEthird_party/deps/gdscript/src/parser.cthird_party/deps/gdscript/src/scanner.cthird_party/deps/gdscript/src/tree_sitter/alloc.hthird_party/deps/gdscript/src/tree_sitter/array.hthird_party/deps/gdscript/src/tree_sitter/parser.h
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Godot projects were invisible: .gd fell out at crawl time as unsupported-ext, so every ranked lens returned reason="no_candidates" on a Godot repo — not a low-ranked answer, no candidates at all, because the files were never parsed. --grep's unindexed-text fallback still scanned them, which made the gap read as a ranking problem rather than a missing language. STEP 0, measured before any code was written (prompts/add-a-language.md): 98.88% of 2938 real .gd files parse with zero ERROR/MISSING nodes — 13 open-source Godot projects (2611 files, 98.81%) plus a private game (327 files, 99.39%); 8159 error bytes of 25.3 MB (0.032%). Measured against this repo's own pinned core SHA. Three upstream grammar gaps survive and are DISCLOSED, not patched (guardrail G3 — no fork is carried): the % scene-unique-name inside a path ($%Node, %A/%B — 70% of all failures), a column-0 comment inside an indented block, and the Godot 3 RPC keywords still reserved as identifiers. Their cost is smaller than the rate implies, and that is GATED rather than asserted: tree-sitter's recovery is local, so a file holding those gaps still yields every definition and every call edge. test/gdscriptcheck.sh asserts that survival, so the arm keeps passing if a bump fixes them upstream. Lang::GDScript is APPENDED after Kotlin (index 23) — never inserted; the value is serialized into the cache. kLangCount is the only sizing site that moved, because the per-language arrays now derive from it rather than naming the last enumerator. Every tags.scm pattern was read off a real ts_node_string parse, not node-types.json — which mattered twice. In Godot 4, @export/@onready parse as a plain variable_statement with an annotations child (the grammar's export_variable_statement and onready_variable_statement nodes are Godot 3 forms and never fire), and super.m() parses as attribute + attribute_call, so base_call never fires either. Two capture choices are forced by gates in ingest_names.h, not taste: enum members ride @definition.constant because @definition.enummember is gated by isPyEnumMemberTarget and would silently drop every GDScript enumerator; member vars ride @definition.var because fieldCaptureKept() returns false for every language but Python and C/C++, so a field capture would vanish without a trace. Dependency edges (STEP 5) are NOT in this change. dependencyCapable() and depDialectFor() are deliberately untouched: they default to false/None, and claiming capability without preload/load("res://…") edges would make the dep_files= denominator lie. Verified: full gate suite green; test/gdscriptcheck.sh written RED first (exits 1 against a pre-GDScript binary, rc read not inferred, and pinned in gateexitcheck's FAILFAST on that measurement); ASan/LSan clean over all three corpora (2611 + 224 + fixtures, rc=0, no leaks). The vendored scanner's serialize() was audited for write width and classified loop1: structurally identical to python's, a delimiter_count clamped to UINT8_MAX then an unguarded memcpy, so the pre-loop write is at most 256 bytes against a 1024-byte buffer, then a bare guard paired with 1-byte writes. kParserVer 96->97 with its mirror; qschemetrip.hash and printf_parity.manifest re-pinned after reviewing every delta (help and help_all gain the GDScript line; lint_catalog gains ",gd" on the language-agnostic naming rules; match gains "gdscript" plus the 3 new fixture files). docs/COMMANDS.md regenerated, not hand-edited. On a 224-file Godot codebase: kept 0 of 40 / no_candidates -> 9288 symbols, 7480 edges. Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com> Claude-Session: https://claude.ai/code/session_017WpMdz14SoD9dc5o4ic382
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Summary
Adds GDScript (
.gd) language support: vendoredPrestonKnopp/tree-sitter-gdscriptgrammar,extraction (
class_name/inner classes/funcs/methods/const/enum/enum members/vars/signals + calledges), and
test/gdscriptcheck.sh.Measured on 13 open-source Godot projects that are not in this tree — 3,525 files, 58,128 symbols,
27,768 edges, indexed cold in 0.82 s.
Before this change Godot repos were invisible:
.gdfell out at crawl time asunsupported-ext, soevery ranked lens returned
reason="no_candidates"— not a low-ranked answer, no candidates at all,because the files were never parsed.
--grep's unindexed-text fallback still scanned them, which madethe gap read as a ranking problem rather than a missing language. On a 224-file Godot game:
kept 0 of 40→ 9,946 symbols / 8,155 edges.Lang::GDScriptis APPENDED afterKotlin(index 23), never inserted — the value is serializedinto the cache. Thanks to Dart Dart: a 23rd grammar, and the span arm its tree shape requires #75's
kLangCountrefactor, this change moves ONE sizing constantinstead of the nine sites it would have touched before; the refactor did exactly what it promised.
ingest_metrics.horingest_sidecap.harm is needed, and that is measured rather thanassumed: GDScript's
function_definitioncarries a realbody:field (so the ancestor walk findsit, unlike Dart's sibling
function_body), and itsparametersnode is already counted —params="1"on the fixture's one-arg funcs,params="0"on the nullary ones, withcx/ccx/loc/nest/cboall populated.the gate count 616→617 for its own gate; upstream independently landed a gate and also reached 617.
The true total is 618. Resolved the way feat(lang): Kotlin — vendored grammar, JVM-bridged call graph #126 resolved its
kParserVercollision — took the numbermanifestcheckactually counts rather than either side's, since a stale count that looks checked isworse than none.
@definition.constantbecause@definition.enummemberis gated byisPyEnumMemberTarget(a Pythonbase-name test) and would silently drop every GDScript enumerator; member variables ride
@definition.varbecausefieldCaptureKept()returns false for every language but Python andC/C++, so a field capture would vanish without a trace.
node-types.json, which mattered twice:@export/@onreadyparse as a plainvariable_statementwith anannotationschild (thegrammar's
export_variable_statement/onready_variable_statementnodes are the Godot 3 spellingsand never fire on modern code), and
super.m()parses asattribute+attribute_call, so thegrammar's own
base_callnode never fires either.STEP 0 — parse rate, measured before any code was written
8,159 error bytes of 25.3 MB (0.032%). Five of the thirteen parse at 100%; the worst is 86.75%.
Harness built against this repo's own pinned core SHA; re-run end-to-end on a freshly re-cloned corpus
and reproduced to the byte.
STEP 6 — the blind spots, and what they actually cost
Classified by the FIRST error in each file; later errors in a degraded file are cascades. An earlier
pass over-counted
matchandelse: ifas causes until each was reproduced in isolation and parsedclean.
%scene-unique-name inside a path — 23 of 33 files (70%).$%Node,%A/%B,$Path/%Xfail;%Aand$A/Balone are fine. A Godot 4 feature the grammar never learned.matchbranches reads as a dedent to the scanner.
grammar.js:100-107reservesremote|master|puppet|remotesync|mastersync|puppetsync, plusonready/export. Godot 4 removedthem;
remote = {}fails,o.call(remote)is fine.All three are UPSTREAM grammar bugs. Per guardrail G3 none is patched here — no fork is carried.
Their real cost is smaller than the parse rate suggests, and that is GATED, not asserted.
tree-sitter's recovery is LOCAL: a fixture holding blind spots (1) and (3) together still yields every
definition and every call edge, losing only the erroring sub-expression.
test/gdscriptcheck.shasserts that survival, so the arm keeps passing if a future grammar bump fixes them upstream.
NOT in this PR
Dependency edges (STEP 5).
preload/load("res://…")resolution is a separate round.dependencyCapable()anddepDialectFor()are deliberately untouched — they default to false/None,and claiming capability without edges would make the
dep_files=denominator lie..tscn,.tresand.gdshaderare not indexed.Verification
Local state on the exact tip — clean tree, binary stamp matching HEAD:
python3 test/pargates.py . ./build/ripwire -j 6— 618 of 619 green. The single red,scroundtripcheck(B) cppqualfix: composed ids differ from the pre-change id= set, isPRE-EXISTING: a control run of the same suite on clean
mainon this machine producescharacter-identical failure text and the same single red. This branch's result is indistinguishable
from
main's.test/gdscriptcheck.shwritten RED first — against a pre-GDScript binary it exits 1 (rc read,not inferred), and it is pinned in
gateexitcheck's FAILFAST on that measurement. 8 arms greenwith: definition kinds, case distinction, a decoy across two files, call edges (and no edge for an
external Godot API call), the disclosed blind spots, cold/warm determinism, crawl-root independence,
and that
.gdis no longer reported as skipped.main, over a 3,040-filemulti-language corpus containing zero
.gd— map, metrics, clones, external-surface, callers, lint,for, pack-task, quality-delta, impact, uses, grep (~225 KB of output). Outputs under 500 B are
reported INERT and not counted, so no comparison is vacuous.
-DRIPWIRE_ASAN=ON: address, undefined, integer,float-divide-by-zero, float-cast-overflow,
-fno-sanitize-recover=all) over four corpora — the2,611-file external corpus (verified non-empty; the run indexed 3,525 files / 58,128 symbols), a
224-file private game, the fixtures, and the new fuzz seed. rc=0, zero reports.
serialize()audited for write width and classifiedloop1intest/vendorpatchcheck.sh: structurally identical to python's (the scanner derives from it) — adelimiter_countclamped toUINT8_MAXthen an unguardedmemcpy, so the pre-loop write is atmost 1 + 255 = 256 against a 1024-byte buffer, then a bare
size < BUFFER_SIZEguard paired with a1-byte
buffer[size++]write.kParserVer96→97 withkIngestParserVerMirror;test/qschemetrip.hashandtest/printf_parity.manifestre-pinned after reviewing every delta (help/help_allgain theGDScript line;
lint_cataloggains,gdon the language-agnostic naming rules;matchgainsgdscriptplus the 3 new fixture files).docs/COMMANDS.mdREGENERATED viadocs/docs_commands_build.py, not hand-edited.Size, against the two most recent language PRs
Test plan
python3 test/pargates.py . ./build/ripwire -j 6— 618/619, sole red pre-existing onmain(verified by a control run of the same suite on a clean
mainbuild)test/gdscriptcheck.sh— 8 arms ALL PASS; exits 1 against a pre-GDScript binary.gdfiles — 98.88%, reproduced on a freshly re-cloned corpusmain-built binary on a 3,040-file corpus🤖 Generated with Claude Code
https://claude.ai/code/session_017WpMdz14SoD9dc5o4ic382