fix(java): Type::method is a call site for --uses/--callers - #235
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Capture method_reference member names after :: and admit an ordinary call edge only when the receiver is an indexed class name with no declaration shadow. Expression, this, super, and Type::new stay unresolved.
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WalkthroughThe change captures Java ChangesJava method-reference resolution
Priority: ➖ Normal Estimated code review effort: 4 (Complex) | ~45 minutes Change: Bug fix · Severity of issue fixed: Medium Sequence Diagram(s)sequenceDiagram
participant JavaSource
participant JavaIngest
participant GraphResolver
participant RegressionGate
JavaSource->>JavaIngest: provide Type::method syntax
JavaIngest->>GraphResolver: provide JavaTypeCandidate and shadow evidence
GraphResolver->>GraphResolver: prove indexed, unshadowed type receiver
GraphResolver-->>RegressionGate: provide resolved or unresolved result
Suggested reviewers: Merge Risk: ⚪ Minimal · up to The change adds the intended Java method-reference handling and regression coverage without an established unresolved merge risk. 🚥 Pre-merge checks | ✅ 4 | ❌ 1❌ Failed checks (1 warning)
✅ Passed checks (4 passed)
Full details: Docstring CoverageExplanation Docstring coverage is 19.70% which is insufficient. The required threshold is 80.00%. Docstring coverage is scoped to functions touched by this diff. Analyzed 66 functions across 16 files. (2 skipped: 2 unsupported.)
✨ Finishing Touches🧪 Generate unit tests (beta)
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Inline comments:
In `@src/graph.h`:
- Line 2230: Update the JavaTypeCandidate receiver-path shadowing check around
typeProven so fieldNarrow.localNameSet is consulted only for the leading segment
of r.recvVar; allow subsequent member-type segments such as Outer.Inner to
resolve normally. Do not add span-ordering logic, and preserve existing handling
for RecvKind::None references.
- Around line 2220-2233: Update the Java method-reference receiver handling
around classNames and fieldNarrow.localNameSet to resolve the complete
package-qualified receiver (such as com.example.Widget) against the indexed type
identity, while applying caller shadowing only to the leading receiver segment.
Preserve existing unqualified and nested-type behavior, and add fixture coverage
for com.example.Widget::makeFn.
In `@src/ingest_binds.h`:
- Around line 1473-1474: Update the Java handling in captureShadowScopeDecls to
record inferred lambda parameter identifiers as LocalBindKind::VarDecl in
localNameSet, covering identifiers directly under lambda_expression and nested
under inferred_parameters. Extend the Java method-reference regression fixture
to cover both Widget -> ... and (Widget) -> ... forms, ensuring
Widget::instanceFn remains unresolved.
- Around line 1469-1482: Preserve lexical scope for Java VarDecl bindings
emitted by the Java branch: populate declaration points and enclosing scopes
instead of using empty BindSite spans. Update buildFieldNarrowTables and the
RecvKind::JavaTypeCandidate check to veto only declarations whose scope contains
r.startByte, while retaining class-field evidence for containing methods. Add
fixtures covering declarations after the reference and in sibling blocks.
In `@test/javamethodrefcheck.sh`:
- Around line 85-86: Update the unused uses_in_ids helper to accept a symbol
argument and invoke it for the original fixture with typeMethod,
nestedTypeMethod, and genericTypeMethod, asserting each is present. Add
equivalent checks against $MUT, asserting typeMethod is absent while
nestedTypeMethod and genericTypeMethod remain present; remove the hard-coded
conv usage.
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README.mddocs/COMMANDS.mddocs/EVALS.mddocs/captures/COMMANDS_showcase_2026-09-15.mdpresent/deck5_ripwire_build.jsqueries/java/tags.scmsrc/graph.hsrc/ingest_binds.hsrc/ingest_cache.hsrc/ingest_sidecap.hsrc/model.hsrc/quality.htest/callformcheck.shtest/callformfix/java/Main.javatest/javamethodrefcheck.shtest/javamethodreffix/A.javatest/javamethodreffix/Outer.javatest/javamethodreffix/Util.javatest/javamethodreffix/Widget.javatest/qschemetrip.hashtest/qschemetripcheck.shtest/regression.sh
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Prove package-qualified and nested type receivers without treating every dotted segment as a class or a method-wide local. Java shadow binds now carry lexical spans, inferred lambda parameters are captured, and --uses=makeFn asserts the Type::method callers.
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Closes #74.
Java
Type::methodwas not a--uses/--callerssite.Widget.makeFn()already minted a call edge;Widget::makeFndid not, so the lambda form and the method-reference form disagreed. The receiver is a type name and the member is a literal identifier, so the target is fixed at compile time — the same as the lambda three lines away.Change
queries/java/tags.scmcaptures the member name after::on amethod_reference. The pinned grammar uses the sameidentifiernode forWidgetandwidget, so the query is not a type proof.JavaTypeCandidate.src/graph.hadmits an ordinary call edge only when the receiver can be proven to denote an indexed Java type; an active Java parameter, local, or field binding on the ambiguous leading receiver name vetoes the edge, while nested and package-qualified type receivers are handled explicitly.widget::instanceFn,this::thisFn,super::superFn, andWidget::newstay unresolved. The receiver identifier is never the callee.Evidence
test/javamethodrefcheck.sh: callers ofmakeFnare exactlygenericTypeMethod,lambdaForm,nestedTypeMethod, andtypeMethod.instanceFn,thisFn,superFn,Widget, andwidgethave no callers. RewritingWidget::makeFnremoves onlytypeMethod.test/callformcheck.sh: Java--uses=makeFnis 2 (the static call plusType::method).src/ingest_cache.h/src/quality.h;test/qextractionkeycheck.shandtest/qschemetripcheck.shmatch that extraction identity.test/regression.shabsorbsjavamethodrefcheck.