func (w *PkgWalker) lookupNamedMethod(named *types.Named, name string) (types.Object, *types.Named) {
if iface, ok := named.Underlying().(*types.Interface); ok {
for i := 0; i < iface.NumMethods(); i++ {
fn := iface.Method(i)
if fn.Name() == name {
return fn, named
}
}
for i := 0; i < iface.NumEmbeddeds(); i++ {
if obj, na := w.lookupNamedMethod(iface.Embedded(i), name); obj != nil {
return obj, na
}
}
return nil, nil
}
if istruct, ok := named.Underlying().(*types.Struct); ok {
for i := 0; i < named.NumMethods(); i++ {
fn := named.Method(i)
if fn.Name() == name {
return fn, named
}
}
for i := 0; i < istruct.NumFields(); i++ {
field := istruct.Field(i)
if !field.Anonymous() {
continue
}
if typ, ok := field.Type().(*types.Named); ok {
if obj, na := w.lookupNamedMethod(typ, name); obj != nil {
return obj, na
}
}
}
}
return nil, nil
}
