| // Copyright 2018 The Bazel Authors. All rights reserved. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| package com.google.devtools.build.lib.syntax; |
| |
| /** A debug server interface, called from core skylark code. */ |
| public interface DebugServer { |
| |
| /** |
| * Tracks the execution of the given callable object in the debug server. |
| * |
| * @param env the Skylark execution environment |
| * @param threadName the descriptive name of the thread |
| * @param callable the callable object whose execution will be tracked |
| * @param <T> the result type of the callable |
| * @return the value returned by the callable |
| */ |
| <T> T runWithDebugging(Environment env, String threadName, DebugCallable<T> callable) |
| throws EvalException, InterruptedException; |
| |
| /** Represents an invocation that will be tracked as a thread by the Skylark debug server. */ |
| interface DebugCallable<T> { |
| |
| /** |
| * The invocation that will be tracked. |
| * |
| * @return the result |
| */ |
| T call() throws EvalException, InterruptedException; |
| } |
| } |