/*
 * Copyright 2010 Henry Coles
 *
 * 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.pitest.mutationtest.engine.gregor;

import org.objectweb.asm.Label;
import org.objectweb.asm.MethodVisitor;
import org.pitest.bytecode.ASMVersion;

public class LineTrackingMethodVisitor extends MethodVisitor {

  private final MutationContext context;

  public LineTrackingMethodVisitor(final MutationContext context,
      final MethodVisitor delegateMethodVisitor) {
    super(ASMVersion.ASM_VERSION, delegateMethodVisitor);
    this.context = context;
  }

  @Override
  public void visitLineNumber(final int line, final Label start) {
    this.context.registerCurrentLine(line);
    this.mv.visitLineNumber(line, start);
  }

}
