blob: 4bea8688ae32af61b228d83b28a48e845fb5b7aa (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
|
/*
* Copyright 2003-2014 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.ipp.equality;
import com.intellij.psi.*;
import com.intellij.psi.tree.IElementType;
import com.intellij.psi.util.TypeConversionUtil;
import com.siyeh.ipp.base.PsiElementPredicate;
class ObjectEqualityPredicate implements PsiElementPredicate {
public boolean satisfiedBy(PsiElement element) {
if (!(element instanceof PsiBinaryExpression)) {
return false;
}
final PsiBinaryExpression expression = (PsiBinaryExpression)element;
final IElementType tokenType = expression.getOperationTokenType();
if (!tokenType.equals(JavaTokenType.NE) &&
!tokenType.equals(JavaTokenType.EQEQ)) {
return false;
}
final PsiExpression lhs = expression.getLOperand();
final PsiType lhsType = lhs.getType();
if (lhsType == null || lhsType instanceof PsiPrimitiveType || TypeConversionUtil.isEnumType(lhsType)) {
return false;
}
final PsiExpression rhs = expression.getROperand();
if (rhs == null) {
return false;
}
final PsiType rhsType = rhs.getType();
return !(rhsType == null || rhsType instanceof PsiPrimitiveType || TypeConversionUtil.isEnumType(rhsType));
}
}
|