|  | // Copyright (c) 2021, the R8 project authors. Please see the AUTHORS file | 
|  | // for details. All rights reserved. Use of this source code is governed by a | 
|  | // BSD-style license that can be found in the LICENSE file. | 
|  |  | 
|  | package com.android.tools.r8.diagnostic.internal; | 
|  |  | 
|  | import com.android.tools.r8.diagnostic.DefinitionContext; | 
|  | import com.android.tools.r8.origin.Origin; | 
|  |  | 
|  | public abstract class DefinitionContextBase implements DefinitionContext { | 
|  |  | 
|  | private final Origin origin; | 
|  |  | 
|  | DefinitionContextBase(Origin origin) { | 
|  | this.origin = origin; | 
|  | } | 
|  |  | 
|  | @Override | 
|  | public Origin getOrigin() { | 
|  | return origin; | 
|  | } | 
|  |  | 
|  | abstract static class Builder<B extends Builder<B>> { | 
|  |  | 
|  | Origin origin; | 
|  |  | 
|  | public B setOrigin(Origin origin) { | 
|  | this.origin = origin; | 
|  | return self(); | 
|  | } | 
|  |  | 
|  | abstract B self(); | 
|  |  | 
|  | public abstract DefinitionContext build(); | 
|  |  | 
|  | public boolean validate() { | 
|  | assert origin != null; | 
|  | return true; | 
|  | } | 
|  | } | 
|  | } |