| // Copyright 2016 The Bazel Authors. All Rights Reserved. |
| // |
| // 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.google.testing.coverage; |
| |
| import java.util.HashSet; |
| import java.util.Map; |
| import java.util.Set; |
| import java.util.TreeMap; |
| import org.jacoco.core.internal.analysis.StringPool; |
| import org.jacoco.core.internal.analysis.filter.Filters; |
| import org.jacoco.core.internal.analysis.filter.IFilter; |
| import org.jacoco.core.internal.analysis.filter.IFilterContext; |
| import org.jacoco.core.internal.flow.ClassProbesVisitor; |
| import org.jacoco.core.internal.flow.MethodProbesVisitor; |
| import org.objectweb.asm.AnnotationVisitor; |
| import org.objectweb.asm.Attribute; |
| import org.objectweb.asm.FieldVisitor; |
| |
| /** A visitor that maps each source code line to the probes corresponding to the lines. */ |
| public class ClassProbesMapper extends ClassProbesVisitor implements IFilterContext { |
| private Map<Integer, BranchExp> classLineToBranchExp; |
| |
| private IFilter allFilters = Filters.all(); |
| |
| private StringPool stringPool; |
| |
| // IFilterContext state updating during visitations |
| private String className; |
| private String superClassName; |
| private Set<String> classAnnotations = new HashSet<>(); |
| private Set<String> classAttributes = new HashSet<>(); |
| private String sourceFileName; |
| private String sourceDebugExtension; |
| |
| public Map<Integer, BranchExp> result() { |
| return classLineToBranchExp; |
| } |
| |
| /** Create a new probe mapper object. */ |
| public ClassProbesMapper(String className) { |
| classLineToBranchExp = new TreeMap<Integer, BranchExp>(); |
| stringPool = new StringPool(); |
| className = stringPool.get(className); |
| } |
| |
| @Override |
| public AnnotationVisitor visitAnnotation(final String desc, final boolean visible) { |
| classAnnotations.add(desc); |
| return super.visitAnnotation(desc, visible); |
| } |
| |
| @Override |
| public void visitAttribute(final Attribute attribute) { |
| classAttributes.add(attribute.type); |
| } |
| |
| @Override |
| public void visitSource(final String source, final String debug) { |
| sourceFileName = stringPool.get(source); |
| sourceDebugExtension = debug; |
| } |
| |
| @Override |
| public void visit( |
| int version, |
| int access, |
| String name, |
| String signature, |
| String superName, |
| String[] interfaces) { |
| superClassName = stringPool.get(name); |
| } |
| |
| /** Returns a visitor for mapping method code. */ |
| @Override |
| public MethodProbesVisitor visitMethod( |
| int access, String name, String desc, String signature, String[] exceptions) { |
| return new MethodProbesMapper(this, allFilters) { |
| |
| @Override |
| public void visitEnd() { |
| super.visitEnd(); |
| classLineToBranchExp.putAll(result()); |
| } |
| }; |
| } |
| |
| @Override |
| public FieldVisitor visitField( |
| int access, String name, String desc, String signature, Object value) { |
| return super.visitField(access, name, desc, signature, value); |
| } |
| |
| @Override |
| public void visitTotalProbeCount(int count) { |
| // Nothing to do. Maybe perform some checks here. |
| } |
| |
| @Override |
| public String getClassName() { |
| return className; |
| } |
| |
| @Override |
| public String getSuperClassName() { |
| return superClassName; |
| } |
| |
| @Override |
| public String getSourceDebugExtension() { |
| return sourceDebugExtension; |
| } |
| |
| @Override |
| public String getSourceFileName() { |
| return sourceFileName; |
| } |
| |
| @Override |
| public Set<String> getClassAnnotations() { |
| return classAnnotations; |
| } |
| |
| @Override |
| public Set<String> getClassAttributes() { |
| return classAttributes; |
| } |
| } |