plugins/InspectionGadgets/src/com/siyeh/ig/psiutils/VariableUsedInArrayInitializerVisitor.java

   1 /*
   2  * Copyright 2003-2005 Dave Griffith
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.siyeh.ig.psiutils;
  17
  18 import com.intellij.psi.*;
  19 import org.jetbrains.annotations.NotNull;
  20
  21 public class VariableUsedInArrayInitializerVisitor
  22         extends JavaRecursiveElementVisitor{
  23
  24     @NotNull
  25     private final PsiVariable variable;
  26     private boolean passed = false;
  27
  28     public VariableUsedInArrayInitializerVisitor(@NotNull PsiVariable variable){
  29         super();
  30         this.variable = variable;
  31     }
  32
  33     @Override public void visitElement(@NotNull PsiElement element){
  34         if(!passed){
  35             super.visitElement(element);
  36         }
  37     }
  38
  39     @Override public void visitArrayInitializerExpression(
  40             PsiArrayInitializerExpression expression){
  41         if(passed){
  42             return;
  43         }
  44         super.visitArrayInitializerExpression(expression);
  45
  46         final PsiExpression[] args = expression.getInitializers();
  47         for(final PsiExpression arg : args){
  48
  49             if(VariableAccessUtils.mayEvaluateToVariable(arg, variable)){
  50                 passed = true;
  51             }
  52         }
  53     }
  54
  55     public boolean isPassed(){
  56         return passed;
  57     }
  58 }