Java tutorial
/* * loc4j - a source code line counting ant task * Copyright 2016 MeBigFatGuy.com * Copyright 2016 Dave Brosius * * 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.mebigfatguy.loc4j; import java.util.HashSet; import java.util.Set; import org.objectweb.asm.Label; import org.objectweb.asm.MethodVisitor; import org.objectweb.asm.Opcodes; public class LocMethodVisitor extends MethodVisitor { private Counts counts; private Set<Integer> lines; public LocMethodVisitor() { super(Opcodes.ASM5); lines = new HashSet<>(); } public void setCounts(Counts cnts) { counts = cnts; } @Override public void visitLineNumber(int line, Label start) { lines.add(Integer.valueOf(line)); } @Override public void visitEnd() { counts.addLineCounts(lines.size()); lines.clear(); } }