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

Example 31 with LdcInsnNode

use of org.objectweb.asm.tree.LdcInsnNode 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 32 with LdcInsnNode

use of org.objectweb.asm.tree.LdcInsnNode 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);
}

Example 33 with LdcInsnNode

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

the class BranchInstrumentation method addDefaultCaseNotCoveredCall.

/**
 * <p>
 * addDefaultCaseNotCoveredCall
 * </p>
 *
 * @param v
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @param instrumentation
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 * @param defaultCaseBranchId
 *            a int.
 */
protected void addDefaultCaseNotCoveredCall(BytecodeInstruction v, InsnList instrumentation, int defaultCaseBranchId) {
    instrumentation.add(new LdcInsnNode(0));
    instrumentation.add(new LdcInsnNode(Opcodes.IFNE));
    instrumentation.add(new LdcInsnNode(defaultCaseBranchId));
    instrumentation.add(new LdcInsnNode(v.getInstructionId()));
    instrumentation.add(new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch", "(IIII)V", false));
}

Example 34 with LdcInsnNode

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

the class BranchInstrumentation method addDefaultCaseCoveredCall.

/**
 * <p>
 * addDefaultCaseCoveredCall
 * </p>
 *
 * @param v
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @param instrumentation
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 * @param defaultCaseBranchId
 *            a int.
 */
protected void addDefaultCaseCoveredCall(BytecodeInstruction v, InsnList instrumentation, int defaultCaseBranchId) {
    instrumentation.add(new LdcInsnNode(0));
    instrumentation.add(new LdcInsnNode(Opcodes.IFEQ));
    instrumentation.add(new LdcInsnNode(defaultCaseBranchId));
    instrumentation.add(new LdcInsnNode(v.getInstructionId()));
    instrumentation.add(new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch", "(IIII)V", false));
}

Example 35 with LdcInsnNode

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

the class BranchInstrumentation method addInstrumentationForSwitchCases.

/**
 * For each actual case <key>: of a switch this method adds instrumentation
 * for the Branch corresponding to that case to the given instruction list.
 *
 * @param v
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @param instrumentation
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 * @param className
 *            a {@link java.lang.String} object.
 * @param methodName
 *            a {@link java.lang.String} object.
 */
protected void addInstrumentationForSwitchCases(BytecodeInstruction v, InsnList instrumentation, String className, String methodName) {
    if (!v.isSwitch())
        throw new IllegalArgumentException("switch instruction expected");
    List<Branch> caseBranches = BranchPool.getInstance(classLoader).getCaseBranchesForSwitch(v);
    if (caseBranches == null || caseBranches.isEmpty())
        throw new IllegalStateException("expect BranchPool to know at least one Branch for each switch instruction");
    for (Branch targetCaseBranch : caseBranches) {
        if (targetCaseBranch.isDefaultCase())
            // handled elsewhere
            continue;
        Integer targetCaseValue = targetCaseBranch.getTargetCaseValue();
        Integer targetCaseBranchId = targetCaseBranch.getActualBranchId();
        instrumentation.add(new InsnNode(Opcodes.DUP));
        instrumentation.add(new LdcInsnNode(targetCaseValue));
        instrumentation.add(new LdcInsnNode(Opcodes.IF_ICMPEQ));
        instrumentation.add(new LdcInsnNode(targetCaseBranchId));
        instrumentation.add(new LdcInsnNode(v.getInstructionId()));
        instrumentation.add(new MethodInsnNode(Opcodes.INVOKESTATIC, EXECUTION_TRACER, "passedBranch", "(IIIII)V", false));
    }
}