java/java-impl/src/com/intellij/psi/impl/PsiExpressionEvaluator.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   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.intellij.psi.impl;
  17
  18 import com.intellij.psi.PsiConstantEvaluationHelper;
  19 import com.intellij.psi.PsiElement;
  20 import com.intellij.psi.PsiExpression;
  21 import org.jetbrains.annotations.Nullable;
  22
  23 public class PsiExpressionEvaluator implements ConstantExpressionEvaluator {
  24
  25   public Object computeConstantExpression(PsiElement expression, boolean throwExceptionOnOverflow) {
  26     return expression instanceof PsiExpression ? JavaConstantExpressionEvaluator.computeConstantExpression((PsiExpression)expression, throwExceptionOnOverflow) : null;
  27   }
  28
  29   public Object computeExpression(PsiElement expression, boolean throwExceptionOnOverflow, @Nullable PsiConstantEvaluationHelper.AuxEvaluator auxEvaluator) {
  30     return expression instanceof PsiExpression ? JavaConstantExpressionEvaluator.computeConstantExpression((PsiExpression)expression, null, throwExceptionOnOverflow, auxEvaluator) : null;
  31   }
  32 }