func readEdges(ctx context.Context, es xrefs.NodesEdgesService, files []string, edges chan<- *xpb.EdgesReply, filters []string, kinds []string) error {
var eErr error
for _, file := range files {
if eErr == nil {
reply, err := es.Edges(ctx, &xpb.EdgesRequest{
Ticket: []string{file},
Filter: filters,
Kind: kinds,
})
if err != nil {
eErr = err
continue
}
if len(reply.EdgeSet) == 0 {
// File does not have any decorations, but we still want the source text/encoding.
nodeReply, err := es.Nodes(ctx, &xpb.NodesRequest{
Ticket: []string{file},
Filter: filters,
})
if err != nil {
return fmt.Errorf("error getting file node: %v", err)
}
reply.Node = nodeReply.Node
}
edges <- reply
}
}
return eErr
}
