plugins/IntentionPowerPak/src/com/siyeh/ipp/expression/ExpressionPredicate.java


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/*
 * Copyright 2007 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.expression;

import com.intellij.psi.PsiBinaryExpression;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiExpression;
import com.siyeh.ipp.base.PsiElementPredicate;
import com.siyeh.ipp.psiutils.ComparisonUtils;
import com.siyeh.ipp.psiutils.ErrorUtil;

class ExpressionPredicate implements PsiElementPredicate {

  public boolean satisfiedBy(PsiElement element) {
    if (!(element instanceof PsiBinaryExpression)) {
      return false;
    }
    final PsiBinaryExpression expression = (PsiBinaryExpression)element;
    final PsiExpression rhs = expression.getROperand();
    if (rhs == null) {
      return false;
    }
    return !ComparisonUtils.isComparison((PsiExpression)element);
  }
}