func lookupType(node ast.Node, info *types.Info) (types.Object, *types.Selection, error) {
switch n := node.(type) {
case *ast.Ident:
return info.ObjectOf(n), nil, nil
case *ast.ImportSpec:
return info.ObjectOf(n.Name), nil, nil
case *ast.SelectorExpr:
if sel, ok := info.Selections[n]; ok {
return sel.Obj(), sel, nil
}
return info.ObjectOf(n.Sel), nil, nil
case *ast.StructType:
return nil, nil, fmt.Errorf("unexpected struct: %#v", node)
default:
return nil, nil, fmt.Errorf("unexpected type: %#v", node)
}
return nil, nil, errors.New("object not found...")
}
