| // Copyright 2023 The Go Authors. All rights reserved. |
| // Use of this source code is governed by a BSD-style |
| // license that can be found in the LICENSE file. |
| |
| //go:build go1.19 |
| // +build go1.19 |
| |
| package source |
| |
| import "go/types" |
| |
| // containsOrigin reports whether the provided object set contains an object |
| // with the same origin as the provided obj (which may be a synthetic object |
| // created during instantiation). |
| func containsOrigin(objSet map[types.Object]bool, obj types.Object) bool { |
| objOrigin := origin(obj) |
| for target := range objSet { |
| if origin(target) == objOrigin { |
| return true |
| } |
| } |
| return false |
| } |
| |
| func origin(obj types.Object) types.Object { |
| switch obj := obj.(type) { |
| case *types.Var: |
| return obj.Origin() |
| case *types.Func: |
| return obj.Origin() |
| } |
| return obj |
| } |
