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

Example 31 with JumpInsnNode

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

the class ReplaceComparisonOperator method apply.

/* (non-Javadoc)
	 * @see org.evosuite.cfg.instrumentation.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) {
    JumpInsnNode node = (JumpInsnNode) instruction.getASMNode();
    List<Mutation> mutations = new LinkedList<Mutation>();
    LabelNode target = node.label;
    boolean isBoolean = frame.getStack(frame.getStackSize() - 1) == BooleanValueInterpreter.BOOLEAN_VALUE;
    for (Integer op : getOperators(node.getOpcode(), isBoolean)) {
        logger.debug("Adding replacement " + op);
        if (op >= 0) {
            // insert mutation into bytecode with conditional
            JumpInsnNode mutation = new JumpInsnNode(op, target);
            // insert mutation into pool
            Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME + " " + getOp(node.getOpcode()) + " -> " + getOp(op), instruction, mutation, getInfectionDistance(node.getOpcode(), op));
            mutations.add(mutationObject);
        } else {
            // Replace relational operator with TRUE/FALSE
            InsnList mutation = new InsnList();
            if (opcodesInt.contains(node.getOpcode()))
                mutation.add(new InsnNode(Opcodes.POP));
            else
                mutation.add(new InsnNode(Opcodes.POP2));
            if (op == TRUE) {
                mutation.add(new LdcInsnNode(1));
            } else {
                mutation.add(new LdcInsnNode(0));
            }
            mutation.add(new JumpInsnNode(Opcodes.IFNE, target));
            Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME + " " + getOp(node.getOpcode()) + " -> " + op, instruction, mutation, getInfectionDistance(node.getOpcode(), op));
            mutations.add(mutationObject);
        }
    }
    return mutations;
}

Example 32 with JumpInsnNode

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

the class MutationInstrumentation method addInstrumentation.

/**
 * <p>
 * addInstrumentation
 * </p>
 *
 * @param mn
 *            a {@link org.objectweb.asm.tree.MethodNode} object.
 * @param original
 *            a {@link org.objectweb.asm.tree.AbstractInsnNode} object.
 * @param mutations
 *            a {@link java.util.List} object.
 */
protected void addInstrumentation(MethodNode mn, AbstractInsnNode original, List<Mutation> mutations) {
    InsnList instructions = new InsnList();
    // TODO: All mutations in the id are touched, not just one!
    for (Mutation mutation : mutations) {
        instructions.add(mutation.getInfectionDistance());
        instructions.add(new LdcInsnNode(mutation.getId()));
        MethodInsnNode touched = new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(ExecutionTracer.class), "passedMutation", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.DOUBLE_TYPE, Type.INT_TYPE }), false);
        instructions.add(touched);
    }
    LabelNode endLabel = new LabelNode();
    for (Mutation mutation : mutations) {
        LabelNode nextLabel = new LabelNode();
        LdcInsnNode mutationId = new LdcInsnNode(mutation.getId());
        instructions.add(mutationId);
        FieldInsnNode activeId = new FieldInsnNode(Opcodes.GETSTATIC, Type.getInternalName(MutationObserver.class), "activeMutation", "I");
        instructions.add(activeId);
        instructions.add(new JumpInsnNode(Opcodes.IF_ICMPNE, nextLabel));
        instructions.add(mutation.getMutation());
        instructions.add(new JumpInsnNode(Opcodes.GOTO, endLabel));
        instructions.add(nextLabel);
    }
    mn.instructions.insertBefore(original, instructions);
    mn.instructions.insert(original, endLabel);
}

Example 33 with JumpInsnNode

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

the class MethodNodeTransformer method transform.

/**
 * <p>transform</p>
 *
 * @param mn a {@link org.objectweb.asm.tree.MethodNode} object.
 */
public void transform(MethodNode mn) {
    setupLocals(mn);
    Set<AbstractInsnNode> originalNodes = new HashSet<AbstractInsnNode>();
    AbstractInsnNode node = mn.instructions.getFirst();
    while (node != mn.instructions.getLast()) {
        originalNodes.add(node);
        node = node.getNext();
    }
    // int currentIndex = 0;
    node = mn.instructions.getFirst();
    // while (currentIndex < mn.instructions.size()) {
    boolean finished = false;
    while (!finished) {
        // } else
        if (node instanceof MethodInsnNode) {
            node = transformMethodInsnNode(mn, (MethodInsnNode) node);
        } else if (node instanceof VarInsnNode) {
            node = transformVarInsnNode(mn, (VarInsnNode) node);
        } else if (node instanceof FieldInsnNode) {
            node = transformFieldInsnNode(mn, (FieldInsnNode) node);
        } else if (node instanceof InsnNode) {
            node = transformInsnNode(mn, (InsnNode) node);
        } else if (node instanceof TypeInsnNode) {
            node = transformTypeInsnNode(mn, (TypeInsnNode) node);
        } else if (node instanceof JumpInsnNode) {
            node = transformJumpInsnNode(mn, (JumpInsnNode) node);
        } else if (node instanceof LabelNode) {
            node = transformLabelNode(mn, (LabelNode) node);
        } else if (node instanceof IntInsnNode) {
            node = transformIntInsnNode(mn, (IntInsnNode) node);
        } else if (node instanceof MultiANewArrayInsnNode) {
            node = transformMultiANewArrayInsnNode(mn, (MultiANewArrayInsnNode) node);
        }
        if (node == mn.instructions.getLast()) {
            finished = true;
        } else {
            node = node.getNext();
        }
    }
}

Example 34 with JumpInsnNode

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

the class BooleanTestabilityTransformation method insertPush.

/**
 * Insert a call to the distance function for unary comparison
 *
 * @param opcode
 * @param position
 * @param list
 */
public void insertPush(int opcode, JumpInsnNode position, InsnList list) {
    list.insertBefore(position, new InsnNode(Opcodes.DUP));
    // TODO: We have to put a placeholder here instead of the actual branch ID
    // TODO: And then later add another transformation where we replace this with
    // actual branch IDs
    // list.insertBefore(position,
    // new LdcInsnNode(getBranchID(currentMethodNode, position)));
    insertBranchIdPlaceholder(currentMethodNode, position);
    MethodInsnNode push = new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(BooleanHelper.class), "pushPredicate", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.INT_TYPE, Type.INT_TYPE }), false);
    list.insertBefore(position, push);
}

Example 35 with JumpInsnNode

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

the class BooleanTestabilityTransformation method insertPushEquals.

/**
 * Insert a call to the reference equality check helper function
 *
 * @param opcode
 * @param position
 * @param list
 */
public void insertPushEquals(int opcode, JumpInsnNode position, InsnList list) {
    MethodInsnNode equalCheck = new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(BooleanHelper.class), "isEqual", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { Type.getType(Object.class), Type.getType(Object.class), Type.INT_TYPE }), false);
    list.insertBefore(position, new InsnNode(Opcodes.DUP2));
    list.insertBefore(position, new LdcInsnNode(opcode));
    list.insertBefore(position, equalCheck);
    // list.insertBefore(position,
    // new LdcInsnNode(getBranchID(currentMethodNode, position)));
    insertBranchIdPlaceholder(currentMethodNode, position);
    MethodInsnNode push = new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(BooleanHelper.class), "pushPredicate", Type.getMethodDescriptor(Type.VOID_TYPE, new Type[] { Type.INT_TYPE, Type.INT_TYPE }), false);
    list.insertBefore(position, push);
}