Examples with ClassNode org.objectweb.asm.tree.ClassNode used on opensource projects

Example 46 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project evosuite by EvoSuite.

the class CallGraphGenerator method analyze.

public static CallGraph analyze(String className) {
    ClassNode targetClass = DependencyAnalysis.getClassNode(className);
    CallGraph callgraph = new CallGraph(className);
    if (targetClass != null)
        handle(callgraph, targetClass, 0);
    if (Properties.INSTRUMENT_PARENT) {
        handleSuperClasses(callgraph, targetClass);
    }
    return callgraph;
}

Example 47 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project evosuite by EvoSuite.

the class CarvingClassLoader method instrumentClass.

private Class<?> instrumentClass(String fullyQualifiedTargetClass) throws ClassNotFoundException {
    logger.warn("Instrumenting class '" + fullyQualifiedTargetClass + "'.");
    try {
        String className = fullyQualifiedTargetClass.replace('.', '/');
        InputStream is = ResourceList.getInstance(TestGenerationContext.getInstance().getClassLoaderForSUT()).getClassAsStream(className);
        if (is == null) {
            throw new ClassNotFoundException("Class '" + className + ".class" + "' should be in target project, but could not be found!");
        }
        ClassReader reader = new ClassReader(is);
        ClassNode classNode = new ClassNode();
        reader.accept(classNode, ClassReader.SKIP_FRAMES);
        instrumenter.transformClassNode(classNode, className);
        ClassWriter writer = new ClassWriter(ClassWriter.COMPUTE_FRAMES);
        classNode.accept(new JSRInlinerClassVisitor(writer));
        // classNode.accept(writer);
        byte[] byteBuffer = writer.toByteArray();
        Class<?> result = defineClass(fullyQualifiedTargetClass, byteBuffer, 0, byteBuffer.length);
        if (Modifier.isPrivate(result.getModifiers())) {
            logger.info("REPLACING PRIVATE CLASS " + fullyQualifiedTargetClass);
            result = super.loadClass(fullyQualifiedTargetClass);
        }
        classes.put(fullyQualifiedTargetClass, result);
        logger.info("Keeping class: " + fullyQualifiedTargetClass);
        return result;
    } catch (Throwable t) {
        logger.info("Error: " + t);
        for (StackTraceElement e : t.getStackTrace()) {
            logger.info(e.toString());
        }
        throw new ClassNotFoundException(t.getMessage(), t);
    }
}

Example 48 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project evosuite by EvoSuite.

the class ProjectGraph method isAbstract.

/**
 * Is the given class name representing an abstract class in the SUT?
 * @param className
 * @return
 * @throws IllegalArgumentException
 */
public boolean isAbstract(String className) throws IllegalArgumentException {
    checkClass(className);
    ClassNode node = getClassNode(className);
    return (node.access & Opcodes.ACC_ABSTRACT) == Opcodes.ACC_ABSTRACT;
}

Example 49 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project evosuite by EvoSuite.

the class ProjectGraph method isInterface.

/**
 * Is the given class name representing an interface in the SUT?
 * @param className
 * @return
 * @throws IllegalArgumentException
 */
public boolean isInterface(String className) throws IllegalArgumentException {
    checkClass(className);
    ClassNode node = getClassNode(className);
    if ((node.access & Opcodes.ACC_INTERFACE) == Opcodes.ACC_INTERFACE)
        return true;
    return false;
}

Example 50 with ClassNode

use of org.objectweb.asm.tree.ClassNode in project evosuite by EvoSuite.

the class DetermineSUT method determineCalledClasses.

public Set<String> determineCalledClasses(String fullyQualifiedTargetClass, Set<String> targetClasses) throws ClassNotFoundException, NoJUnitClassException {
    Set<String> calledClasses = new HashSet<String>();
    String className = fullyQualifiedTargetClass.replace('.', '/');
    try {
        InputStream is = ClassLoader.getSystemResourceAsStream(className + ".class");
        if (is == null) {
            throw new ClassNotFoundException("Class '" + className + ".class" + "' should be in target project, but could not be found!");
        }
        ClassReader reader = new ClassReader(is);
        ClassNode classNode = new ClassNode();
        reader.accept(classNode, ClassReader.SKIP_FRAMES);
        superClasses = getSuperClasses(classNode);
        if (isJUnitTest(classNode)) {
            handleClassNode(calledClasses, classNode, targetClasses);
        } else {
            throw new NoJUnitClassException();
        }
    } catch (IOException e) {
        e.printStackTrace();
    }
    calledClasses.remove("java.lang.Object");
    calledClasses.remove(fullyQualifiedTargetClass);
    return calledClasses;
}