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

Example 26 with LdcInsnNode

use of org.objectweb.asm.tree.LdcInsnNode 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 27 with LdcInsnNode

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

the class ReplaceArithmeticOperator method getInfectionDistance.

/**
 * <p>getInfectionDistance</p>
 *
 * @param opcodeOrig a int.
 * @param opcodeNew a int.
 * @return a {@link org.objectweb.asm.tree.InsnList} object.
 */
public InsnList getInfectionDistance(int opcodeOrig, int opcodeNew) {
    InsnList distance = new InsnList();
    if (opcodesInt.contains(opcodeOrig)) {
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceArithmeticOperator.class), "getInfectionDistanceInt", "(IIII)D", false));
    } else if (opcodesLong.contains(opcodeOrig)) {
        distance.add(new VarInsnNode(Opcodes.LSTORE, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new VarInsnNode(Opcodes.LLOAD, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2_X2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceArithmeticOperator.class), "getInfectionDistanceLong", "(JJII)D", false));
        numVariable += 2;
    } else if (opcodesFloat.contains(opcodeOrig)) {
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceArithmeticOperator.class), "getInfectionDistanceFloat", "(FFII)D", false));
    } else if (opcodesDouble.contains(opcodeOrig)) {
        distance.add(new VarInsnNode(Opcodes.DSTORE, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new VarInsnNode(Opcodes.DLOAD, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2_X2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceArithmeticOperator.class), "getInfectionDistanceDouble", "(DDII)D", false));
        numVariable += 2;
    }
    return distance;
}

Example 28 with LdcInsnNode

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

the class ReplaceBitwiseOperator method getInfectionDistance.

/**
 * <p>getInfectionDistance</p>
 *
 * @param opcodeOrig a int.
 * @param opcodeNew a int.
 * @return a {@link org.objectweb.asm.tree.InsnList} object.
 */
public InsnList getInfectionDistance(int opcodeOrig, int opcodeNew) {
    InsnList distance = new InsnList();
    if (opcodesInt.contains(opcodeOrig)) {
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceBitwiseOperator.class), "getInfectionDistanceInt", "(IIII)D", false));
    } else if (opcodesIntShift.contains(opcodeOrig)) {
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceBitwiseOperator.class), "getInfectionDistanceInt", "(IIII)D", false));
    } else if (opcodesLong.contains(opcodeOrig)) {
        distance.add(new VarInsnNode(Opcodes.LSTORE, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new VarInsnNode(Opcodes.LLOAD, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2_X2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceBitwiseOperator.class), "getInfectionDistanceLong", "(JJII)D", false));
        numVariable += 2;
    } else if (opcodesLongShift.contains(opcodeOrig)) {
        distance.add(new VarInsnNode(Opcodes.ISTORE, numVariable));
        distance.add(new InsnNode(Opcodes.DUP2));
        distance.add(new VarInsnNode(Opcodes.ILOAD, numVariable));
        distance.add(new InsnNode(Opcodes.DUP_X2));
        distance.add(new LdcInsnNode(opcodeOrig));
        distance.add(new LdcInsnNode(opcodeNew));
        distance.add(new MethodInsnNode(Opcodes.INVOKESTATIC, PackageInfo.getNameWithSlash(ReplaceBitwiseOperator.class), "getInfectionDistanceLong", "(JIII)D", false));
        numVariable += 1;
    }
    return distance;
}

Example 29 with LdcInsnNode

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

the class ReplaceConstant 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) {
    List<Mutation> mutations = new LinkedList<Mutation>();
    Object value = getValue(instruction.getASMNode());
    for (Object replacement : getReplacement(value)) {
        // insert mutation into bytecode with conditional
        LdcInsnNode mutation = new LdcInsnNode(replacement);
        // insert mutation into pool
        String summary = NAME + " - " + value + " -> " + replacement;
        if (replacement instanceof String) {
            summary = summary.replace("*/", "*_/");
        }
        Mutation mutationObject = MutationPool.addMutation(className, methodName, summary, instruction, mutation, Mutation.getDefaultInfectionDistance());
        mutations.add(mutationObject);
    }
    return mutations;
}

Example 30 with LdcInsnNode

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

the class BooleanTestabilityTransformation method insertBranchIdPlaceholder.

private void insertBranchIdPlaceholder(MethodNode mn, JumpInsnNode jumpNode) {
    Label label = new Label();
    LabelNode labelNode = new LabelNode(label);
    // BooleanTestabilityPlaceholderTransformer.addBranchPlaceholder(label, jumpNode);
    mn.instructions.insertBefore(jumpNode, labelNode);
    // mn.instructions.insertBefore(jumpNode, new LdcInsnNode(0));
    mn.instructions.insertBefore(jumpNode, new LdcInsnNode(getBranchID(mn, jumpNode)));
}