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/*
 * Original Author -> Harry Yang ([email protected]) https://taketoday.cn
 * Copyright © TODAY & 2017 - 2022 All Rights Reserved.
 *
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see [http://www.gnu.org/licenses/]
 */
package cn.taketoday.bytecode.tree;

import cn.taketoday.bytecode.MethodVisitor;

/**
 * A node that represents a local variable declaration.
 *
 * @author Eric Bruneton
 */
public class LocalVariableNode {

  /** The name of a local variable. */
  public String name;

  /** The type descriptor of this local variable. */
  public String desc;

  /** The signature of this local variable. May be {@literal null}. */
  public String signature;

  /** The first instruction corresponding to the scope of this local variable (inclusive). */
  public LabelNode start;

  /** The last instruction corresponding to the scope of this local variable (exclusive). */
  public LabelNode end;

  /** The local variable's index. */
  public int index;

  /**
   * Constructs a new {@link LocalVariableNode}.
   *
   * @param name the name of a local variable.
   * @param descriptor the type descriptor of this local variable.
   * @param signature the signature of this local variable. May be {@literal null}.
   * @param start the first instruction corresponding to the scope of this local variable
   * (inclusive).
   * @param end the last instruction corresponding to the scope of this local variable (exclusive).
   * @param index the local variable's index.
   */
  public LocalVariableNode(
          final String name,
          final String descriptor,
          final String signature,
          final LabelNode start,
          final LabelNode end,
          final int index) {
    this.name = name;
    this.desc = descriptor;
    this.signature = signature;
    this.start = start;
    this.end = end;
    this.index = index;
  }

  /**
   * Makes the given visitor visit this local variable declaration.
   *
   * @param methodVisitor a method visitor.
   */
  public void accept(final MethodVisitor methodVisitor) {
    methodVisitor.visitLocalVariable(
            name, desc, signature, start.getLabel(), end.getLabel(), index);
  }
}