content: /*
   * Copyright 2021-2022 Alibaba Group Holding Ltd.
   *
   *    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 com.aliyun.fastmodel.parser.visitor;
  
  import java.util.List;
  
  import com.aliyun.fastmodel.core.tree.Node;
  import com.aliyun.fastmodel.core.tree.Property;
  import com.aliyun.fastmodel.core.tree.expr.Identifier;
  import com.aliyun.fastmodel.core.tree.statement.constants.ShowType;
  import com.aliyun.fastmodel.core.tree.statement.references.MoveReferences;
  import com.aliyun.fastmodel.core.tree.statement.references.ShowReferences;
  import com.aliyun.fastmodel.parser.AstBuilder;
  import com.aliyun.fastmodel.parser.annotation.SubVisitor;
  import com.aliyun.fastmodel.parser.generate.FastModelGrammarParser.MoveReferencesContext;
  import com.aliyun.fastmodel.parser.generate.FastModelGrammarParser.ShowReferencesContext;
  
  /**
   * references visitor
   *
   * @author panguanjing
   * @date 2022/2/18
   */
  @SubVisitor
  public class ReferencesVisitor extends AstBuilder {
  
      @Override
      public Node visitShowReferences(ShowReferencesContext ctx) {
          Identifier visit = (Identifier)visit(ctx.showType());
          return new ShowReferences(
              ShowType.getByCode(visit.getValue()),
              getQualifiedName(ctx.qualifiedName()),
              getProperties(ctx.setProperties())
          );
      }
  
      @Override
      public Node visitMoveReferences(MoveReferencesContext ctx) {
          ShowType supportObjectType = ShowType.getByCode(ctx.showType().getText());
          List<Property> list = getProperties(ctx.setProperties());
          return new MoveReferences(
              supportObjectType,
              getQualifiedName(ctx.from),
              getQualifiedName(ctx.to),
              list
          );
      }
  }
  