java/java-impl/src/com/intellij/codeInspection/dataFlow/instructions/InstanceofInstruction.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.codeInspection.dataFlow.instructions;
  17
  18 import com.intellij.codeInspection.dataFlow.DataFlowRunner;
  19 import com.intellij.codeInspection.dataFlow.DfaInstructionState;
  20 import com.intellij.codeInspection.dataFlow.DfaMemoryState;
  21 import com.intellij.codeInspection.dataFlow.InstructionVisitor;
  22 import com.intellij.openapi.project.Project;
  23 import com.intellij.psi.PsiElement;
  24 import com.intellij.psi.PsiExpression;
  25 import com.intellij.psi.PsiKeyword;
  26 import com.intellij.psi.PsiType;
  27 import org.jetbrains.annotations.NotNull;
  28
  29 /**
  30  * @author peter
  31  */
  32 public class InstanceofInstruction extends BinopInstruction {
  33   @NotNull private PsiExpression myLeft;
  34   @NotNull private PsiType myCastType;
  35
  36   public InstanceofInstruction(PsiElement psiAnchor, @NotNull Project project, PsiExpression left, PsiType castType) {
  37     super(PsiKeyword.INSTANCEOF, psiAnchor, project);
  38     myLeft = left;
  39     myCastType = castType;
  40   }
  41
  42   @Override
  43   public DfaInstructionState[] accept(DataFlowRunner runner, DfaMemoryState stateBefore, InstructionVisitor visitor) {
  44     return visitor.visitInstanceof(this, runner, stateBefore);
  45   }
  46
  47   @NotNull
  48   public PsiExpression getLeft() {
  49     return myLeft;
  50   }
  51
  52   @NotNull
  53   public PsiType getCastType() {
  54     return myCastType;
  55   }
  56 }