Function synthesizeCallbackEdges

src/resolution/callback-synthesizer.ts:2675–2776

(queries: QueryBuilder, ctx: ResolutionContext)

 * Returns the count added. Never throws into indexing — callers wrap in try/catch.
 */
export async function synthesizeCallbackEdges(queries: QueryBuilder, ctx: ResolutionContext): Promise<number> {
  // Each sub-pass below is a whole-graph scan, and there are ~30 of them, all
  // running synchronously on the indexer's main thread. Their AGGREGATE can run
  // for well over a minute on a large repo — long enough for the #850 liveness
  // watchdog to SIGKILL the process mid-index (#1091), since its heartbeat lives
  // on this same thread. Yield between passes so the heartbeat can fire; a pass
  // that itself hangs (a real wedge) never reaches the next yield, so the
  // watchdog still catches that. See ./cooperative-yield.
  const yieldToLoop = createYielder();

  // Cross-file Go method→type `contains` edges must be synthesized AND persisted
  // FIRST: a method declared in a different file from its receiver type is
  // otherwise orphaned from the struct, and goImplementsEdges (next) derives a
  // struct's method set from its `contains` edges — so without this it would
  // under-count the interfaces a cross-file struct satisfies. (#583)
  const goMethodContains = goCrossFileMethodContainsEdges(queries);
  if (goMethodContains.length > 0) queries.insertEdges(goMethodContains);
  await yieldToLoop();

  // Go implicit `implements` edges must be synthesized AND persisted next: the
  // interface-dispatch bridge below reads `implements` edges from the DB, and
  // Go has none statically. (Other languages already have static implements
  // edges from extraction, so they don't need this pre-pass.)
  const goImpl = goImplementsEdges(queries);
  if (goImpl.length > 0) queries.insertEdges(goImpl);
  await yieldToLoop();

  const fieldEdges = await fieldChannelEdges(queries, ctx, yieldToLoop); await yieldToLoop();
  const closureCollEdges = await closureCollectionEdges(queries, ctx, yieldToLoop); await yieldToLoop();
  const emitterEdges = await eventEmitterEdges(ctx, yieldToLoop); await yieldToLoop();
  const renderEdges = reactRenderEdges(queries, ctx); await yieldToLoop();
  const jsxEdges = await reactJsxChildEdges(ctx, yieldToLoop); await yieldToLoop();
  const vueEdges = vueTemplateEdges(ctx); await yieldToLoop();
  const svelteKitEdges = svelteKitLoadEdges(ctx); await yieldToLoop();
  const pascalEdges = pascalFormEdges(ctx); await yieldToLoop();
  const flutterEdges = flutterBuildEdges(queries, ctx); await yieldToLoop();
  const cppEdges = cppOverrideEdges(queries); await yieldToLoop();
  const ifaceEdges = interfaceOverrideEdges(queries); await yieldToLoop();
  const kotlinExpectActual = kotlinExpectActualEdges(queries); await yieldToLoop();
  const goGrpcEdges = goGrpcStubImplEdges(queries); await yieldToLoop();
  const rnEventEdgesList = rnEventEdges(ctx); await yieldToLoop();
  const fabricNativeEdges = fabricNativeImplEdges(ctx); await yieldToLoop();
  const expoXPlatEdges = expoCrossPlatformEdges(queries); await yieldToLoop();
  const rnXPlatEdges = rnCrossPlatformEdges(queries); await yieldToLoop();
  const mybatisEdges = mybatisJavaXmlEdges(queries); await yieldToLoop();
  const ginEdges = ginMiddlewareChainEdges(queries, ctx); await yieldToLoop();
  const thunkEdges = reduxThunkEdges(queries, ctx); await yieldToLoop();
  const registryEdges = await objectRegistryEdges(ctx, yieldToLoop); await yieldToLoop();
  const rtkEdges = rtkQueryEdges(queries, ctx); await yieldToLoop();
  const piniaEdges = piniaStoreEdges(ctx); await yieldToLoop();
  const vuexEdges = vuexDispatchEdges(ctx); await yieldToLoop();
  const celeryEdges = celeryDispatchEdges(ctx); await yieldToLoop();
  const springEdges = springEventEdges(ctx); await yieldToLoop();
  const mediatrEdges = mediatrDispatchEdges(ctx); await yieldToLoop();
  const sidekiqEdges = sidekiqDispatchEdges(ctx); await yieldToLoop();
  const laravelEdges = laravelEventEdges(ctx); await yieldToLoop();
  const cFnPtrEdges = cFnPointerDispatchEdges(queries, ctx); await yieldToLoop();
  const goframeEdges = goframeRouteEdges(ctx); await yieldToLoop();