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

Example 41 with FieldInsnNode

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

the class DeleteField method getInfectionDistance.

/**
 * <p>
 * getInfectionDistance
 * </p>
 *
 * @param original
 *            a {@link org.objectweb.asm.tree.FieldInsnNode} object.
 * @param mutant
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 * @return a {@link org.objectweb.asm.tree.InsnList} object.
 */
public InsnList getInfectionDistance(FieldInsnNode original, InsnList mutant) {
    InsnList distance = new InsnList();
    if (original.getOpcode() == Opcodes.GETFIELD)
        // make sure to re-load this for GETFIELD
        distance.add(new InsnNode(Opcodes.DUP));
    distance.add(new FieldInsnNode(original.getOpcode(), original.owner, original.name, original.desc));
    Type type = Type.getType(original.desc);
    if (type.getDescriptor().startsWith("L") || type.getDescriptor().startsWith("[")) {
        ReplaceVariable.addReferenceDistanceCheck(distance, type, mutant);
    } else {
        ReplaceVariable.addPrimitiveDistanceCheck(distance, type, mutant);
    }
    return distance;
}

Example 42 with FieldInsnNode

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

the class InsertUnaryOperator method getName.

private String getName(MethodNode mn, AbstractInsnNode node) throws VariableNotFoundException {
    if (node instanceof VarInsnNode) {
        LocalVariableNode var = getLocal(mn, node, ((VarInsnNode) node).var);
        return var.name;
    } else if (node instanceof FieldInsnNode) {
        return ((FieldInsnNode) node).name;
    } else if (node instanceof IincInsnNode) {
        IincInsnNode incNode = (IincInsnNode) node;
        LocalVariableNode var = getLocal(mn, node, incNode.var);
        return var.name;
    } else {
        throw new RuntimeException("Unknown variable node: " + node);
    }
}

Example 43 with FieldInsnNode

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

the class InsertUnaryOperator method apply.

/* (non-Javadoc)
	 * @see org.evosuite.cfg.instrumentation.mutation.MutationOperator#apply(org.objectweb.asm.tree.MethodNode, java.lang.String, java.lang.String, org.evosuite.cfg.BytecodeInstruction)
	 */
/**
 * {@inheritDoc}
 */
@Override
public List<Mutation> apply(MethodNode mn, String className, String methodName, BytecodeInstruction instruction, Frame frame) {
    // TODO - need to keep InsnList in Mutation, not only Instruction?
    // Mutation: Insert an INEG _after_ an iload
    List<Mutation> mutations = new LinkedList<Mutation>();
    List<InsnList> mutationCode = new LinkedList<InsnList>();
    List<String> descriptions = new LinkedList<String>();
    if (instruction.getASMNode() instanceof VarInsnNode) {
        try {
            InsnList mutation = new InsnList();
            VarInsnNode node = (VarInsnNode) instruction.getASMNode();
            // insert mutation into bytecode with conditional
            mutation.add(new VarInsnNode(node.getOpcode(), node.var));
            mutation.add(new InsnNode(getNegation(node.getOpcode())));
            mutationCode.add(mutation);
            if (!mn.localVariables.isEmpty())
                descriptions.add("Negation of " + getName(mn, node));
            else
                descriptions.add("Negation");
            if (node.getOpcode() == Opcodes.ILOAD) {
                if (frame.getStack(frame.getStackSize() - 1) != BooleanValueInterpreter.BOOLEAN_VALUE) {
                    mutation = new InsnList();
                    mutation.add(new IincInsnNode(node.var, 1));
                    mutation.add(new VarInsnNode(node.getOpcode(), node.var));
                    if (!mn.localVariables.isEmpty())
                        descriptions.add("IINC 1 " + getName(mn, node));
                    else
                        descriptions.add("IINC 1");
                    mutationCode.add(mutation);
                    mutation = new InsnList();
                    mutation.add(new IincInsnNode(node.var, -1));
                    mutation.add(new VarInsnNode(node.getOpcode(), node.var));
                    if (!mn.localVariables.isEmpty())
                        descriptions.add("IINC -1 " + getName(mn, node));
                    else
                        descriptions.add("IINC -1");
                    mutationCode.add(mutation);
                }
            }
        } catch (VariableNotFoundException e) {
            logger.info("Could not find variable: " + e);
            return new ArrayList<Mutation>();
        }
    } else {
        InsnList mutation = new InsnList();
        FieldInsnNode node = (FieldInsnNode) instruction.getASMNode();
        Type type = Type.getType(node.desc);
        mutation.add(new FieldInsnNode(node.getOpcode(), node.owner, node.name, node.desc));
        mutation.add(new InsnNode(getNegation(type)));
        descriptions.add("Negation");
        mutationCode.add(mutation);
        if (type == Type.INT_TYPE) {
            mutation = new InsnList();
            mutation.add(new FieldInsnNode(node.getOpcode(), node.owner, node.name, node.desc));
            mutation.add(new InsnNode(Opcodes.ICONST_1));
            mutation.add(new InsnNode(Opcodes.IADD));
            descriptions.add("+1");
            mutationCode.add(mutation);
            mutation = new InsnList();
            mutation.add(new FieldInsnNode(node.getOpcode(), node.owner, node.name, node.desc));
            mutation.add(new InsnNode(Opcodes.ICONST_M1));
            mutation.add(new InsnNode(Opcodes.IADD));
            descriptions.add("-1");
            mutationCode.add(mutation);
        }
    }
    int i = 0;
    for (InsnList mutation : mutationCode) {
        // insert mutation into pool
        Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME + " " + descriptions.get(i++), instruction, mutation, Mutation.getDefaultInfectionDistance());
        mutations.add(mutationObject);
    }
    return mutations;
}

Example 44 with FieldInsnNode

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

the class GetStaticGraphGenerator method handleMethodNode.

/**
 * Add all possible calls for a given method
 *
 * @param callGraph
 * @param mn
 */
@SuppressWarnings("unchecked")
private static void handleMethodNode(GetStaticGraph staticUsageTree, ClassNode cn, MethodNode mn, int depth) {
    InsnList instructions = mn.instructions;
    Iterator<AbstractInsnNode> iterator = instructions.iterator();
    // TODO: This really shouldn't be here but in its own class
    while (iterator.hasNext()) {
        AbstractInsnNode insn = iterator.next();
        if (insn instanceof MethodInsnNode) {
            handleMethodInsnNode(staticUsageTree, cn, mn, (MethodInsnNode) insn, depth + 1);
        } else if (insn instanceof FieldInsnNode) {
            handleFieldInsnNode(staticUsageTree, cn, mn, (FieldInsnNode) insn, depth + 1);
        }
    }
}

Example 45 with FieldInsnNode

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

the class Instrumenter method instrumentGETXXXFieldAccesses.

private void instrumentGETXXXFieldAccesses(final ClassNode cn, final String internalClassName, final MethodNode methodNode) {
    final InsnList instructions = methodNode.instructions;
    AbstractInsnNode ins = null;
    FieldInsnNode fieldIns = null;
    for (int i = 0; i < instructions.size(); i++) {
        ins = instructions.get(i);
        if (ins instanceof FieldInsnNode) {
            fieldIns = (FieldInsnNode) ins;
            /*
				 * Is field referencing outermost instance? if yes, ignore it
				 * http://tns-www.lcs.mit.edu/manuals/java-1.1.1/guide/innerclasses/spec/innerclasses.doc10.html
				 */
            if (fieldIns.name.endsWith("$0")) {
                continue;
            }
            final int opcode = ins.getOpcode();
            if (opcode == Opcodes.GETFIELD || opcode == Opcodes.GETSTATIC) {
                final InsnList il = new InsnList();
                if (opcode == Opcodes.GETFIELD) {
                    Type fieldType = Type.getType(fieldIns.desc);
                    if (fieldType.getSize() == 1) {
                        instructions.insertBefore(fieldIns, new InsnNode(Opcodes.DUP));
                        il.add(new InsnNode(Opcodes.SWAP));
                    } else if (fieldType.getSize() == 2) {
                        instructions.insertBefore(fieldIns, new InsnNode(Opcodes.DUP));
                        // v
                        // GETFIELD
                        // v, w
                        il.add(new InsnNode(Opcodes.DUP2_X1));
                        // w, v, w
                        il.add(new InsnNode(Opcodes.POP2));
                    // w, v
                    // -> Call
                    // w
                    }
                } else
                    il.add(new InsnNode(Opcodes.ACONST_NULL));
                il.add(new LdcInsnNode(this.captureId));
                il.add(new LdcInsnNode(fieldIns.owner));
                il.add(new LdcInsnNode(fieldIns.name));
                il.add(new LdcInsnNode(fieldIns.desc));
                il.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(org.evosuite.testcarver.capture.FieldRegistry.class), "notifyReadAccess", "(Ljava/lang/Object;ILjava/lang/String;Ljava/lang/String;Ljava/lang/String;)V"));
                i += il.size();
                instructions.insert(fieldIns, il);
                this.captureId++;
            }
        }
    }
}