| /* |
| * 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.references; |
| |
| import com.google.idea.blaze.base.lang.buildfile.psi.BuildFile; |
| 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.util.PsiUtils; |
| import com.intellij.lang.ASTNode; |
| import com.intellij.openapi.util.TextRange; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiReferenceBase; |
| import com.intellij.util.IncorrectOperationException; |
| import javax.annotation.Nullable; |
| |
| /** Reference from a function call to the function declaration */ |
| public class FuncallReference extends PsiReferenceBase<FuncallExpression> { |
| |
| public FuncallReference(FuncallExpression element, TextRange rangeInElement) { |
| super(element, rangeInElement, /*soft*/ true); |
| } |
| |
| @Nullable |
| @Override |
| public FunctionStatement resolve() { |
| String functionName = myElement.getFunctionName(); |
| BuildFile file = (BuildFile) myElement.getContainingFile(); |
| if (functionName == null || file == null) { |
| return null; |
| } |
| return file.findFunctionInScope(functionName); |
| } |
| |
| @Override |
| public Object[] getVariants() { |
| return EMPTY_ARRAY; |
| } |
| |
| @Override |
| public PsiElement handleElementRename(String newElementName) throws IncorrectOperationException { |
| ASTNode oldNode = myElement.getFunctionNameNode(); |
| if (oldNode != null) { |
| ASTNode newNode = PsiUtils.createNewName(myElement.getProject(), newElementName); |
| myElement.getNode().replaceChild(oldNode, newNode); |
| } |
| return myElement; |
| } |
| } |