| /* |
| * 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.search; |
| |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReference; |
| import com.intellij.psi.search.GlobalSearchScope; |
| import com.intellij.psi.search.PsiSearchHelper; |
| import com.intellij.psi.search.SearchScope; |
| import com.intellij.psi.search.searches.ReferencesSearch; |
| |
| /** Utility methods for finding all references to a PsiElement */ |
| public class FindUsages { |
| |
| public static PsiReference[] findAllReferences(PsiElement element) { |
| return findReferencesInScope(element, GlobalSearchScope.allScope(element.getProject())); |
| } |
| |
| /** |
| * Search scope taken from PsiSearchHelper::getUseScope, which incorporates UseScopeEnlarger / |
| * UseScopeOptimizer EPs. |
| */ |
| public static PsiReference[] findReferencesInElementScope(PsiElement element) { |
| return findReferencesInScope( |
| element, PsiSearchHelper.SERVICE.getInstance(element.getProject()).getUseScope(element)); |
| } |
| |
| public static PsiReference[] findReferencesInScope(PsiElement element, SearchScope scope) { |
| return ReferencesSearch.search(element, scope, true).toArray(new PsiReference[0]); |
| } |
| } |