// Copyright 2020 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.analysis;

import com.google.devtools.build.lib.analysis.AspectCollection.AspectCycleOnPathException;
import com.google.devtools.build.lib.packages.Target;
import com.google.devtools.build.lib.syntax.Location;

/**
 * Signals an inconsistency on an aspect path: an aspect occurs twice on the path and the second
 * occurrence sees a different set of aspects.
 *
 * <p>{@see AspectCycleOnPathException}
 */
public class InconsistentAspectOrderException extends Exception {
  private final Location location;

  public InconsistentAspectOrderException(Target target, AspectCycleOnPathException e) {
    super(String.format("%s (when propagating to %s)", e.getMessage(), target.getLabel()));
    this.location = target.getLocation();
  }

  public Location getLocation() {
    return location;
  }
}