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Colby Mchenry
a944ec3579
A Go struct referenced nothing through its fields: etcd's `type
PutResponse struct { Header *ResponseHeader }` or gin's `type Context
struct { handlers HandlersChain }` had no `references` edge to those
types, so impact on `ResponseHeader` or `HandlersChain` missed every
struct holding one, and their users. Main had 0 such edges on gin, etcd,
prometheus and kubernetes; only embedded fields were read (`extends`).
TS extractor and Rust kernel, mirrored:
- goStructFieldTypeNames / struct_field_type_names walk each named
field's type and push a `references` ref per type name from the
struct, on the name. Fields mint no nodes: impact never climbs
`contains` upward (#536), so a field node would stop impact short of
the struct; Dart attributes field types to the class too (#2327).
- #2441's alias walk is factored into collectGoTypeNames /
collect_type_names + goDeclaredNames / declared_names, so struct
fields skip what aliases skip: predeclared types and, written bare,
the declaration's own type parameters and its own name (no self-edge,
no failed row for `next *node`).
- An embedded field stays `extends`; an embedded generic's type
arguments are references (client-go's
`listers.ResourceIndexer[*v1.Pod]`: 651 such fields in kubernetes).
Resolver: gateTargetKind's unknown-qualifier rule (#2417) now covers
every Go type declaration (GO_TYPE_KINDS). Without it, a field
`op clientv3.Op` under an unaliased go.etcd.io/etcd/client/v3 import
bound to the same file's own `Op`.
Explore: a `references` edge whose ends are both type declarations no
longer makes either end connected to an entry. With the new edges alone
the #1500 CG-10 gate failed: payroll's 8-line `RunResult` (holding a
`[]Payslip`) became connected and displaced the 51-line
runPayrollCycleAll body. The rule alone changes no rendered symbol on
gin, etcd, prometheus, kubernetes, bloc, bulletproof or refine-examples.
Validation (main de3eb71d, site-keyed A/B, every added edge judged
against real package clauses): gin +41, etcd +1006, prometheus +1637,
kubernetes +20203, all correct; 0 dropped/retargeted/metadata-only; no
node changes or self-loops; kernel == wasm. Index time within noise,
DB +0.4-1.4%.
Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>