java/java-impl/src/com/intellij/codeInspection/dataFlow/instructions/ConditionalGotoInstruction.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
  17 /*
  18  * Created by IntelliJ IDEA.
  19  * User: max
  20  * Date: Jan 26, 2002
  21  * Time: 10:48:29 PM
  22  * To change template for new class use
  23  * Code Style | Class Templates options (Tools | IDE Options).
  24  */
  25 package com.intellij.codeInspection.dataFlow.instructions;
  26
  27
  28 import com.intellij.codeInspection.dataFlow.DataFlowRunner;
  29 import com.intellij.codeInspection.dataFlow.DfaInstructionState;
  30 import com.intellij.codeInspection.dataFlow.DfaMemoryState;
  31 import com.intellij.codeInspection.dataFlow.InstructionVisitor;
  32 import com.intellij.psi.PsiElement;
  33
  34 public class ConditionalGotoInstruction extends BranchingInstruction {
  35   private int myOffset;
  36   private final boolean myIsNegated;
  37
  38   public ConditionalGotoInstruction(int myOffset, boolean isNegated, PsiElement psiAnchor) {
  39     this.myOffset = myOffset;
  40     myIsNegated = isNegated;
  41     setPsiAnchor(psiAnchor);
  42   }
  43
  44   public boolean isNegated() {
  45     return myIsNegated;
  46   }
  47
  48   @Override
  49   public DfaInstructionState[] accept(DataFlowRunner runner, DfaMemoryState stateBefore, InstructionVisitor visitor) {
  50     return visitor.visitConditionalGoto(this, runner, stateBefore);
  51   }
  52
  53   public String toString() {
  54     return "cond_goto " + myOffset;
  55   }
  56
  57   public int getOffset() {
  58     return myOffset;
  59   }
  60
  61   public void setOffset(int offset) {
  62     myOffset = offset;
  63   }
  64 }