| /* |
| * Copyright 2003-2012 Dave Griffith, Bas Leijdekkers |
| * |
| * 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.siyeh.ig.psiutils; |
| |
| import com.intellij.psi.*; |
| import org.jetbrains.annotations.NotNull; |
| |
| class VariableReturnedVisitor extends JavaRecursiveElementVisitor { |
| |
| @NotNull private final PsiVariable variable; |
| private final boolean myBuilderPattern; |
| |
| private boolean returned = false; |
| |
| public VariableReturnedVisitor(@NotNull PsiVariable variable, boolean builderPattern) { |
| this.variable = variable; |
| myBuilderPattern = builderPattern; |
| } |
| |
| @Override |
| public void visitElement(PsiElement element) { |
| if (returned) { |
| return; |
| } |
| super.visitElement(element); |
| } |
| |
| @Override |
| public void visitReturnStatement(@NotNull PsiReturnStatement returnStatement) { |
| if (returned) { |
| return; |
| } |
| super.visitReturnStatement(returnStatement); |
| final PsiExpression returnValue = returnStatement.getReturnValue(); |
| if (VariableAccessUtils.mayEvaluateToVariable(returnValue, variable, myBuilderPattern)) { |
| returned = true; |
| } |
| } |
| |
| public boolean isReturned() { |
| return returned; |
| } |
| } |