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

Example 6 with JumpInsnNode

use of org.objectweb.asm.tree.JumpInsnNode in project jphp by jphp-compiler.

the class WhileCompiler method write.

@Override
public void write(WhileStmtToken token) {
    expr.writeDefineVariables(token.getLocal());
    LabelNode start = expr.writeLabel(node, token.getMeta().getStartLine());
    LabelNode end = new LabelNode();
    expr.writeConditional(token.getCondition(), end);
    method.pushJump(end, start);
    expr.write(BodyStmtToken.class, token.getBody());
    method.popJump();
    add(new JumpInsnNode(GOTO, start));
    add(end);
    add(new LineNumberNode(token.getMeta().getEndLine(), end));
    expr.writeUndefineVariables(token.getLocal());
}

Example 7 with JumpInsnNode

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

the class BooleanTestabilityTransformation method insertPushNull.

/**
 * Insert a call to the isNull helper function
 *
 * @param opcode
 * @param position
 * @param list
 */
public void insertPushNull(int opcode, JumpInsnNode position, InsnList list) {
    int branchId = getBranchID(currentMethodNode, position);
    logger.info("Inserting instrumentation for NULL check at branch " + branchId + " in method " + currentMethodNode.name);
    MethodInsnNode nullCheck = new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(BooleanHelper.class), "isNull", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { Type.getType(Object.class), Type.INT_TYPE }), false);
    list.insertBefore(position, new InsnNode(Opcodes.DUP));
    list.insertBefore(position, new LdcInsnNode(opcode));
    list.insertBefore(position, nullCheck);
    // list.insertBefore(position,
    // new LdcInsnNode(getBranchID(currentMethodNode, position)));
    insertBranchIdPlaceholder(currentMethodNode, position, branchId);
    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 8 with JumpInsnNode

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

the class BooleanTestabilityTransformation method insertPush2.

/**
 * Insert a call to the distance function for binary comparison
 *
 * @param opcode
 * @param position
 * @param list
 */
public void insertPush2(int opcode, JumpInsnNode position, InsnList list) {
    list.insertBefore(position, new InsnNode(Opcodes.DUP2));
    // list.insertBefore(position, new InsnNode(Opcodes.ISUB));
    MethodInsnNode sub = new MethodInsnNode(Opcodes.INVOKESTATIC, Type.getInternalName(BooleanHelper.class), "intSub", Type.getMethodDescriptor(Type.INT_TYPE, new Type[] { Type.INT_TYPE, Type.INT_TYPE }), false);
    list.insertBefore(position, sub);
    insertBranchIdPlaceholder(currentMethodNode, position);
    // list.insertBefore(position,
    // new LdcInsnNode(getBranchID(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 9 with JumpInsnNode

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

the class BranchInstrumentation method addDefaultCaseInstrumentation.

/**
 * <p>
 * addDefaultCaseInstrumentation
 * </p>
 *
 * @param v
 *            a {@link org.evosuite.graphs.cfg.BytecodeInstruction} object.
 * @param instrumentation
 *            a {@link org.objectweb.asm.tree.InsnList} object.
 * @param mySwitch
 *            a {@link org.objectweb.asm.tree.AbstractInsnNode} object.
 * @param defaultLabel
 *            a {@link org.objectweb.asm.tree.LabelNode} object.
 * @param caseLabel
 *            a {@link org.objectweb.asm.tree.LabelNode} object.
 * @param endLabel
 *            a {@link org.objectweb.asm.tree.LabelNode} object.
 */
protected void addDefaultCaseInstrumentation(BytecodeInstruction v, InsnList instrumentation, AbstractInsnNode mySwitch, LabelNode defaultLabel, LabelNode caseLabel, LabelNode endLabel) {
    int defaultCaseBranchId = BranchPool.getInstance(classLoader).getDefaultBranchForSwitch(v).getActualBranchId();
    // add helper switch
    instrumentation.add(new InsnNode(Opcodes.DUP));
    instrumentation.add(mySwitch);
    // add call for default case not covered
    instrumentation.add(caseLabel);
    addDefaultCaseNotCoveredCall(v, instrumentation, defaultCaseBranchId);
    // jump over default (break)
    instrumentation.add(new JumpInsnNode(Opcodes.GOTO, endLabel));
    // add call for default case covered
    instrumentation.add(defaultLabel);
    addDefaultCaseCoveredCall(v, instrumentation, defaultCaseBranchId);
    instrumentation.add(endLabel);
}

Example 10 with JumpInsnNode

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

the class NegateCondition 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>();
    JumpInsnNode node = (JumpInsnNode) instruction.getASMNode();
    LabelNode target = node.label;
    // insert mutation into bytecode with conditional
    JumpInsnNode mutation = new JumpInsnNode(getOpposite(node.getOpcode()), target);
    // insert mutation into pool
    Mutation mutationObject = MutationPool.addMutation(className, methodName, NAME, instruction, mutation, Mutation.getDefaultInfectionDistance());
    mutations.add(mutationObject);
    return mutations;
}