inspections/impl/com/intellij/codeInspection/dataFlow/instructions/EmptyInstruction.java

   1 /*
   2  * Created by IntelliJ IDEA.
   3  * User: max
   4  * Date: Jan 26, 2002
   5  * Time: 10:48:42 PM
   6  * To change template for new class use
   7  * Code Style | Class Templates options (Tools | IDE Options).
   8  */
   9 package com.intellij.codeInspection.dataFlow.instructions;
  10
  11 import com.intellij.codeInspection.dataFlow.*;
  12
  13
  14 public class EmptyInstruction extends Instruction {
  15   public DfaInstructionState[] apply(DataFlowRunner runner, DfaMemoryState memState) {
  16     Instruction nextInstruction = runner.getInstruction(getIndex() + 1);
  17     DfaMemoryState nextState = memState; //.createCopy();
  18     return new DfaInstructionState[] {new DfaInstructionState(nextInstruction, nextState)};
  19   }
  20
  21   @Override
  22   public DfaInstructionState[] accept(DataFlowRunner runner, DfaMemoryState stateBefore, InstructionVisitor visitor) {
  23     return apply(runner, stateBefore);
  24   }
  25
  26   public String toString() {
  27     return "EMPTY";
  28   }
  29 }