Method handleGetReferencesToSymbolInFile

internal/api/session.go:3123–3149

handleGetReferencesToSymbolInFile returns node handles for all identifiers in a file that reference the given symbol.

(ctx context.Context, params *GetReferencesToSymbolInFileParams)

// handleGetReferencesToSymbolInFile returns node handles for all identifiers in a file that reference the given symbol.
func (s *Session) handleGetReferencesToSymbolInFile(ctx context.Context, params *GetReferencesToSymbolInFileParams) ([]NodeHandle, error) {
	setup, err := s.setupChecker(ctx, params.Snapshot, params.Project)
	if err != nil {
		return nil, err
	}
	defer setup.done()

	symbol, err := setup.resolveSymbolHandle(params.Symbol)
	if err != nil {
		return nil, err
	}
	if symbol == nil {
		return nil, nil
	}

	sourceFile := setup.program.GetSourceFile(params.File.ToFileName())
	if sourceFile == nil {
		return nil, fmt.Errorf("%w: source file not found: %v", ErrClientError, params.File)
	}

	nodes := setup.checker.GetReferencesToSymbolInFile(sourceFile, symbol)
	result := make([]NodeHandle, len(nodes))
	for i, node := range nodes {
		result[i] = setup.sd.nodeHandleFrom(node)
	}
	return result, nil
}

func (s *Session) handleGetSignatureUsages(ctx context.Context, params *GetSignatureUsagesParams) ([]SignatureUsageResponse, error) {
	sd, err := s.getSnapshotData(params.Snapshot)