source/com/intellij/psi/impl/PsiConstantEvaluationHelperImpl.java

   1 package com.intellij.psi.impl;
   2
   3 import com.intellij.psi.*;
   4 import com.intellij.psi.util.ConstantExpressionUtil;
   5
   6 import java.util.Set;
   7
   8 /**
   9  * @author ven
  10  */
  11 public class PsiConstantEvaluationHelperImpl extends PsiConstantEvaluationHelper {
  12   public Object computeConstantExpression(PsiExpression expression) {
  13     return computeConstantExpression(expression, false);
  14   }
  15
  16   public Object computeConstantExpression(PsiExpression expression, boolean throwExceptionOnOverflow) {
  17     return ConstantExpressionEvaluator.computeConstantExpression(expression, throwExceptionOnOverflow);
  18   }
  19
  20   @Override
  21   public Object computeExpression(final PsiExpression expression,
  22                                   final boolean throwExceptionOnOverflow,
  23                                   final AuxEvaluator auxEvaluator) {
  24     return ConstantExpressionEvaluator.computeConstantExpression(expression, null, throwExceptionOnOverflow, auxEvaluator);
  25   }
  26
  27   public static Object computeCastTo(PsiExpression expression, PsiType castTo, Set<PsiVariable> visitedVars) {
  28     Object value = ConstantExpressionEvaluator.computeConstantExpression(expression, visitedVars, false);
  29     if(value == null) return null;
  30     return ConstantExpressionUtil.computeCastTo(value, castTo);
  31   }
  32 }