// Copyright 2014 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.rules.cpp; import com.google.devtools.build.lib.actions.Action; import com.google.devtools.build.lib.actions.ActionExecutionException; import com.google.devtools.build.lib.actions.Artifact; /** * Accumulator for problems encountered while reading or validating inclusion * results. */ class IncludeProblems { private StringBuilder message; // null when no problems void add(String included) { if (message == null) { message = new StringBuilder(); } message.append("\n '" + included + "'"); } boolean hasProblems() { return message != null; } String getMessage(Action action, Artifact sourceFile) { if (message != null) { return "undeclared inclusion(s) in rule '" + action.getOwner().getLabel() + "':\n" + "this rule is missing dependency declarations for the following files " + "included by '" + sourceFile.prettyPrint() + "':" + message; } return null; } void assertProblemFree(Action action, Artifact sourceFile) throws ActionExecutionException { if (hasProblems()) { throw new ActionExecutionException(getMessage(action, sourceFile), action, false); } } }