/*
 * Copyright 2016 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.idea.blaze.base.lang.buildfile.refactor;

import com.google.idea.blaze.base.lang.buildfile.psi.FuncallExpression;
import com.google.idea.blaze.base.lang.buildfile.psi.FunctionStatement;
import com.google.idea.blaze.base.lang.buildfile.psi.TargetExpression;
import com.intellij.lang.refactoring.RefactoringSupportProvider;
import com.intellij.psi.PsiElement;
import org.jetbrains.annotations.NotNull;

/**
 * Supports 'safe delete'
 */
public class BuildRefactoringSupportProvider extends RefactoringSupportProvider {

  @Override
  public boolean isSafeDeleteAvailable(@NotNull PsiElement element) {
    // basically a promise that 'find usages' works for this element
    return element instanceof FunctionStatement
      || element instanceof TargetExpression
      || element instanceof FuncallExpression;
  }

}