content: /*
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *     http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  package io.airlift.bytecode.instruction;
  
  import com.google.common.collect.ImmutableList;
  import io.airlift.bytecode.BytecodeNode;
  import io.airlift.bytecode.BytecodeVisitor;
  import io.airlift.bytecode.MethodGenerationContext;
  import org.objectweb.asm.Label;
  import org.objectweb.asm.MethodVisitor;
  
  import java.util.List;
  
  import static com.google.common.base.MoreObjects.toStringHelper;
  
  public class LabelNode
          implements InstructionNode
  {
      private final String name;
      private final Label label;
  
      public LabelNode()
      {
          this.label = new Label();
          this.name = "label@" + label.hashCode();
      }
  
      public LabelNode(LabelNode labelNode)
      {
          this.label = labelNode.getLabel();
          this.name = "label@" + label.hashCode();
      }
  
      public LabelNode(String name)
      {
          this.label = new Label();
          this.name = name + "@" + label.hashCode();
      }
  
      public String getName()
      {
          return name;
      }
  
      public Label getLabel()
      {
          return label;
      }
  
      @Override
      public void accept(MethodVisitor visitor, MethodGenerationContext generationContext)
      {
          visitor.visitLabel(label);
      }
  
      @Override
      public String toString()
      {
          return toStringHelper(this)
                  .add("name", name)
                  .toString();
      }
  
      @Override
      public List<BytecodeNode> getChildNodes()
      {
          return ImmutableList.of();
      }
  
      @Override
      public <T> T accept(BytecodeNode parent, BytecodeVisitor<T> visitor)
      {
          return visitor.visitLabel(parent, this);
      }
  }
  