2 * Copyright 2003-2005 Dave Griffith
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
8 * http://www.apache.org/licenses/LICENSE-2.0
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.
16 package com
.siyeh
.ig
.psiutils
;
18 import com
.intellij
.psi
.*;
19 import org
.jetbrains
.annotations
.NotNull
;
21 public class ArrayContentsAccessedVisitor
extends JavaRecursiveElementVisitor
{
22 private boolean accessed
= false;
23 private final PsiVariable variable
;
25 public ArrayContentsAccessedVisitor(@NotNull PsiVariable variable
){
27 this.variable
= variable
;
30 @Override public void visitForeachStatement(@NotNull PsiForeachStatement statement
){
34 super.visitForeachStatement(statement
);
35 final PsiExpression qualifier
= statement
.getIteratedValue();
36 if(!(qualifier
instanceof PsiReferenceExpression
)){
39 final PsiElement referent
= ((PsiReference
) qualifier
).resolve();
43 if(!referent
.equals(variable
)){
49 @Override public void visitArrayAccessExpression(PsiArrayAccessExpression arg
){
53 super.visitArrayAccessExpression(arg
);
54 if(arg
.getParent() instanceof PsiAssignmentExpression
&&
55 ((PsiAssignmentExpression
) arg
.getParent()).getLExpression()
59 final PsiExpression arrayExpression
= arg
.getArrayExpression();
60 if(!(arrayExpression
instanceof PsiReferenceExpression
)){
63 final PsiElement referent
= ((PsiReference
) arrayExpression
).resolve();
67 if(referent
.equals(variable
)){
72 public boolean isAccessed(){