/*
 * Copyright 2016 Miroslav Janíček
 *
 * 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 org.classdump.luna.compiler.ir;

import java.util.Objects;
import org.classdump.luna.util.Check;

public class CPUWithdraw extends BodyNode {

  private final int cost;

  public CPUWithdraw(int cost) {
    this.cost = Check.positive(cost);
  }

  @Override
  public boolean equals(Object o) {
    if (this == o) {
      return true;
    }
    if (o == null || getClass() != o.getClass()) {
      return false;
    }
    CPUWithdraw that = (CPUWithdraw) o;
    return this.cost == that.cost;
  }

  @Override
  public int hashCode() {
    return Objects.hash(cost);
  }

  public int cost() {
    return cost;
  }

  @Override
  public void accept(IRVisitor visitor) {
    visitor.visit(this);
  }

}
