ClassAnalyzer.java

    1/*******************************************************************************
    2 * Copyright (c) 2009, 2010 Mountainminds GmbH & Co. KG and Contributors
    3 * All rights reserved. This program and the accompanying materials
    4 * are made available under the terms of the Eclipse Public License v1.0
    5 * which accompanies this distribution, and is available at
    6 * http://www.eclipse.org/legal/epl-v10.html
    7 *
    8 * Contributors:
    9 *    Marc R. Hoffmann - initial API and implementation
   10 *    
   11 *******************************************************************************/
   12package org.jacoco.core.instr;
   13
   14import org.jacoco.core.data.IClassStructureVisitor;
   15import org.objectweb.asm.AnnotationVisitor;
   16import org.objectweb.asm.Attribute;
   17import org.objectweb.asm.FieldVisitor;
   18import org.objectweb.asm.Opcodes;
   19
   20/**
   21 * Analyzes the structure of a class.
   22 * 
   23 * @author Marc R. Hoffmann
   24 * @version 0.4.1.20101007204400
   25 */
   26class ClassAnalyzer implements IBlockClassVisitor {
   27
   28    private final IClassStructureVisitor structureVisitor;
   29
   30    /**
   31     * Creates a new analyzer that reports to the given
   32     * {@link IClassStructureVisitor} instance.
   33     * 
   34     * @param structureVisitor
   35     *            consumer for class structure output
   36     */
   37    public ClassAnalyzer(final IClassStructureVisitor structureVisitor) {
   38        this.structureVisitor = structureVisitor;
   39    }
   40
   41    public void visit(final int version, final int access, final String name,
   42            final String signature, final String superName,
   43            final String[] interfaces) {
   44        structureVisitor.visit(name, signature, superName, interfaces);
   45    }
   46
   47    public void visitSource(final String source, final String debug) {
   48        if (source != null) {
   49            structureVisitor.visitSourceFile(source);
   50        }
   51    }
   52
   53    public IBlockMethodVisitor visitMethod(final int access, final String name,
   54            final String desc, final String signature, final String[] exceptions) {
   55
   56        // TODO: Use filter hook
   57        if ((access & Opcodes.ACC_SYNTHETIC) != 0) {
   58            return null;
   59        }
   60
   61        return new MethodAnalyzer(structureVisitor.visitMethodStructure(name,
   62                desc, signature));
   63    }
   64
   65    public void visitEnd() {
   66        structureVisitor.visitEnd();
   67    }
   68
   69    // Nothing to do here:
   70
   71    public void visitTotalProbeCount(final int count) {
   72    }
   73
   74    public AnnotationVisitor visitAnnotation(final String desc,
   75            final boolean visible) {
   76        return null;
   77    }
   78
   79    public void visitAttribute(final Attribute attr) {
   80    }
   81
   82    public FieldVisitor visitField(final int access, final String name,
   83            final String desc, final String signature, final Object value) {
   84        return null;
   85    }
   86
   87    public void visitInnerClass(final String name, final String outerName,
   88            final String innerName, final int access) {
   89    }
   90
   91    public void visitOuterClass(final String owner, final String name,
   92            final String desc) {
   93    }
   94
   95}