Example usage for org.objectweb.asm.tree InsnList add

Introduction

In this page you can find the example usage for org.objectweb.asm.tree InsnList add.

Prototype

public void add(final InsnList insnList)

Source Link

Document

Adds the given instructions to the end of this list.

Usage

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void box(final InsnList instructions, Type type) {
    if (type.getSort() == Type.OBJECT || type.getSort() == Type.ARRAY) {
        return;//from www .  j a  v a 2s . c  om
    }

    if (type == Type.VOID_TYPE) {
        // push null
        instructions.add(new InsnNode(Opcodes.ACONST_NULL));
    } else {
        Type boxed = getBoxedType(type);
        // new instance.
        newInstance(instructions, boxed);
        if (type.getSize() == 2) {
            // Pp -> Ppo -> oPpo -> ooPpo -> ooPp -> o
            // dupX2
            dupX2(instructions);
            // dupX2
            dupX2(instructions);
            // pop
            pop(instructions);
        } else {
            // p -> po -> opo -> oop -> o
            // dupX1
            dupX1(instructions);
            // swap
            swap(instructions);
        }
        invokeConstructor(instructions, boxed, new Method("<init>", Type.VOID_TYPE, new Type[] { type }));
    }
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void arrayStore(final InsnList instructions, final Type type) {
    instructions.add(new InsnNode(type.getOpcode(Opcodes.IASTORE)));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void newInstance(final InsnList instructions, final Type type) {
    instructions.add(new TypeInsnNode(Opcodes.NEW, type.getInternalName()));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

void invokeConstructor(final InsnList instructions, final Type type, final Method method) {
    String owner = type.getSort() == Type.ARRAY ? type.getDescriptor() : type.getInternalName();
    instructions.add(
            new MethodInsnNode(Opcodes.INVOKESPECIAL, owner, method.getName(), method.getDescriptor(), false));
}

From source file:com.navercorp.pinpoint.profiler.instrument.ASMMethodVariables.java

License:Apache License

public void returnValue(final InsnList instructions) {
    instructions.add(new InsnNode(this.returnType.getOpcode(Opcodes.IRETURN)));
}

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Clones an invokevirtual/invokespecial/invokeinterface/invokedynamic node and returns it as an instruction list.
 * @param insnNode instruction to clone/*from w ww .  j  a va 2  s . com*/
 * @throws NullPointerException if any argument is {@code null}
 * @throws IllegalArgumentException if node isn't of invoke type
 * @return instruction list with cloned instruction
 */
public static InsnList cloneInvokeNode(AbstractInsnNode insnNode) {
    Validate.notNull(insnNode);
    Validate.isTrue(insnNode instanceof MethodInsnNode || insnNode instanceof InvokeDynamicInsnNode);

    InsnList ret = new InsnList();
    ret.add(insnNode.clone(new HashMap<>()));

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Clones a monitorenter/monitorexit node and returns it as an instruction list.
 * @param insnNode instruction to clone/*from www . ja  va  2 s.  com*/
 * @throws NullPointerException if any argument is {@code null}
 * @throws IllegalArgumentException if node isn't of invoke type
 * @return instruction list with cloned instruction
 */
public static InsnList cloneMonitorNode(AbstractInsnNode insnNode) {
    Validate.notNull(insnNode);
    Validate.isTrue(insnNode instanceof InsnNode);
    Validate.isTrue(
            insnNode.getOpcode() == Opcodes.MONITORENTER || insnNode.getOpcode() == Opcodes.MONITOREXIT);

    InsnList ret = new InsnList();
    ret.add(insnNode.clone(new HashMap<>()));

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Clones an instruction list. All labels are remapped unless otherwise specified in {@code globalLabels}.
 * @param insnList instruction list to clone
 * @param globalLabels set of labels that should not be remapped
 * @throws NullPointerException if any argument is {@code null}
 * @return instruction list with cloned instructions
 *//*from www.ja v a  2  s .  c  om*/
public static InsnList cloneInsnList(InsnList insnList, Set<LabelNode> globalLabels) {
    Validate.notNull(insnList);

    // remap all labelnodes
    Map<LabelNode, LabelNode> labelNodeMapping = new HashMap<>();
    ListIterator<AbstractInsnNode> it = insnList.iterator();
    while (it.hasNext()) {
        AbstractInsnNode abstractInsnNode = it.next();
        if (abstractInsnNode instanceof LabelNode) {
            LabelNode existingLabelNode = (LabelNode) abstractInsnNode;
            labelNodeMapping.put(existingLabelNode, new LabelNode());
        }
    }

    // override remapping such that global labels stay the same
    for (LabelNode globalLabel : globalLabels) {
        labelNodeMapping.put(globalLabel, globalLabel);
    }

    // clone
    InsnList ret = new InsnList();
    it = insnList.iterator();
    while (it.hasNext()) {
        AbstractInsnNode abstractInsnNode = it.next();
        ret.add(abstractInsnNode.clone(labelNodeMapping));
    }

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Combines multiple instruction lists in to a single instruction list.
 * @param insnLists instruction lists to merge
 * @throws NullPointerException if any argument is {@code null} or contains {@code null}
 * @return merged instructions/*w  w w .  j  a v a2s. c  om*/
 */
public static InsnList merge(InsnList... insnLists) {
    Validate.notNull(insnLists);
    Validate.noNullElements(insnLists);

    InsnList ret = new InsnList();
    for (InsnList insnList : insnLists) {
        ret.add(insnList);
    }

    return ret;
}

From source file:com.offbynull.coroutines.instrumenter.asm.InstructionUtils.java

License:Open Source License

/**
 * Generates instructions for an unconditional jump to a label.
 * @param labelNode label to jump to/*  w  ww.  j a v  a2s  .com*/
 * @throws NullPointerException if any argument is {@code null}
 * @return instructions for an unconditional jump to {@code labelNode}
 */
public static InsnList jumpTo(LabelNode labelNode) {
    Validate.notNull(labelNode);

    InsnList ret = new InsnList();
    ret.add(new JumpInsnNode(Opcodes.GOTO, labelNode));

    return ret;
}