Example usage for org.objectweb.asm Opcodes IF_ICMPEQ

Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes IF_ICMPEQ.

Prototype

int IF_ICMPEQ

To view the source code for org.objectweb.asm Opcodes IF_ICMPEQ.

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Usage

From source file:de.scoopgmbh.copper.instrument.BuildStackInfoAdapter.java

License:Apache License

@Override
public void visitJumpInsn(int arg0, Label arg1) {
    savePreviousFrame();/*from  w  w w  .j ava  2  s  . c  o  m*/
    switch (arg0) {
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPNE:
        currentFrame.popStack();
    case Opcodes.IFEQ:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
    case Opcodes.IFLT:
    case Opcodes.IFNE:
    case Opcodes.IFNONNULL:
    case Opcodes.IFNULL:
        currentFrame.popStack();
    case Opcodes.GOTO:
        forwardFrames.put(arg1, new StackInfo(currentFrame));
        break;
    case Opcodes.JSR:
        currentFrame.pushStack(retAddressType);
        forwardFrames.put(arg1, new StackInfo(currentFrame));
        break;
    default:
        logger.debug("Unhandled: ");
    }
    if (logger.isDebugEnabled())
        logger.debug("jumpInsn " + getOpCode(arg0) + " " + arg1);
    delegate.visitJumpInsn(arg0, arg1);
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInliner.java

License:Open Source License

private boolean evalTwoOpValue(final Number op1, final Number op2, final int opcode) {
    switch (opcode) {
    case Opcodes.IF_ICMPEQ:
        return op1.intValue() == op2.intValue();
    case Opcodes.IF_ICMPNE:
        return op1.intValue() != op2.intValue();
    case Opcodes.IF_ICMPLT:
        return op1.intValue() < op2.intValue();
    case Opcodes.IF_ICMPGE:
        return op1.intValue() >= op2.intValue();
    case Opcodes.IF_ICMPGT:
        return op1.intValue() > op2.intValue();
    case Opcodes.IF_ICMPLE:
        return op1.intValue() <= op2.intValue();
    case Opcodes.IF_ACMPEQ:
        return op1 == op2;
    case Opcodes.IF_ACMPNE:
        return op1 != op2;
    default:/*www  .  ja  va2  s .co  m*/
        return false;
    }
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.controlflow.ConstantIfInlinerTest.java

License:Open Source License

/**
 * Tests that constantIfInliner is working correctly.
 * //from  ww w.  ja v a 2s .  c om
 * Input is
 * 
 * <pre>
 * if(1!=2)
 * ...
 * </pre>
 * 
 * @throws JBOPClassException
 *           the jBOP class exception
 */
@Test
public void testConstantIfInlinerIF_ICMPEQ() throws JBOPClassException {
    // INIT
    final LabelNode label = new LabelNode();
    builder.addInsn(new InsnNode(Opcodes.ICONST_1)).//
            addInsn(new InsnNode(Opcodes.ICONST_2)).//
            addInsn(new JumpInsnNode(Opcodes.IF_ICMPEQ, label)).//
            addInsn(new InsnNode(Opcodes.NOP)).//
            addInsn(label).//
            addInsn(new InsnNode(Opcodes.RETURN));

    // RUN
    assertEquals(6, method.instructions.size());
    final InsnList optimized = constantIfInliner.optimize(method.instructions, method);

    // ASSERT
    assertEquals(3, optimized.size());
    assertEquals(Opcodes.NOP, optimized.get(0).getOpcode());
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.loop.ForLoop.java

License:Open Source License

private boolean eval(final int i, final int loopCount, final int ifNode) {
    if (ifNode == Opcodes.IF_ICMPLE) {
        return i <= loopCount;
    }/*from   w  w w. ja v  a2 s  . com*/
    if (ifNode == Opcodes.IF_ICMPEQ) {
        return i == loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPGE) {
        return i >= loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPGT) {
        return i > loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPLT) {
        return i < loopCount;
    }
    if (ifNode == Opcodes.IF_ICMPNE) {
        return i != loopCount;
    }
    if (ifNode == Opcodes.IFGE) {
        return i >= 0;
    }
    if (ifNode == Opcodes.IFEQ) {
        return i == 0;
    }
    if (ifNode == Opcodes.IFGT) {
        return i > 0;
    }
    if (ifNode == Opcodes.IFLE) {
        return i <= 0;
    }
    if (ifNode == Opcodes.IFLT) {
        return i < 0;
    }
    if (ifNode == Opcodes.IFNE) {
        return i != 0;
    }
    return false;
}

---

From source file:de.tuberlin.uebb.jbop.optimizer.utils.NodeHelper.java

License:Open Source License

/**
 * Returns true if node is an two-param-if-Statement.
 * /*from  www  .  j  ava 2  s.  c  o m*/
 * @param node
 *          the node
 * @return true if node is two value if
 */
public static boolean isTwoValueIf(final AbstractInsnNode node) {
    if (node == null) {
        return false;
    }
    return node.getOpcode() >= Opcodes.IF_ICMPEQ && node.getOpcode() <= Opcodes.IF_ACMPNE;
}

---

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.JumpInstruction.java

License:Open Source License

@Override
public String toString() {
    String condition;//from w  ww  . jav a  2 s  .c om
    switch (getOpcode()) {
    case Opcodes.IFEQ:
        condition = "IFEQ";
        break;
    case Opcodes.IFNE:
        condition = "IFNE";
        break;
    case Opcodes.IFLT:
        condition = "IFLT";
        break;
    case Opcodes.IFGE:
        condition = "IFGE";
        break;
    case Opcodes.IFGT:
        condition = "IFGT";
        break;
    case Opcodes.IFLE:
        condition = "IFLE";
        break;
    case Opcodes.IF_ICMPEQ:
        condition = "IF_ICMPEQ";
        break;
    case Opcodes.IF_ICMPNE:
        condition = "IF_ICMPNE";
        break;
    case Opcodes.IF_ICMPLT:
        condition = "IF_ICMPLT";
        break;
    case Opcodes.IF_ICMPGE:
        condition = "IF_ICMPGE";
        break;
    case Opcodes.IF_ICMPGT:
        condition = "IF_ICMPGT";
        break;
    case Opcodes.IF_ICMPLE:
        condition = "IF_ICMPLE";
        break;
    case Opcodes.IF_ACMPEQ:
        condition = "IF_ACMPEQ";
        break;
    case Opcodes.IF_ACMPNE:
        condition = "IF_ACMPNE";
        break;
    case Opcodes.GOTO:
        condition = "GOTO";
        break;
    case Opcodes.JSR:
        condition = "JSR";
        break;
    case Opcodes.IFNULL:
        condition = "IFNULL";
        break;
    case Opcodes.IFNONNULL:
        condition = "IFNONNULL";
        break;
    default:
        assert false;
        condition = "--ERROR--";
        break;
    }

    return condition + " " + this.label;
}

---

From source file:de.unisb.cs.st.javaslicer.common.classRepresentation.instructions.JumpInstruction2.java

License:Open Source License

@Override
public String toString() {
    String condition;/*  w  w  w  . j a v  a2 s . co  m*/
    switch (getOpcode()) {
    case Opcodes.IFEQ:
        condition = "IFEQ";
        break;
    case Opcodes.IFNE:
        condition = "IFNE";
        break;
    case Opcodes.IFLT:
        condition = "IFLT";
        break;
    case Opcodes.IFGE:
        condition = "IFGE";
        break;
    case Opcodes.IFGT:
        condition = "IFGT";
        break;
    case Opcodes.IFLE:
        condition = "IFLE";
        break;
    case Opcodes.IF_ICMPEQ:
        condition = "IF_ICMPEQ";
        break;
    case Opcodes.IF_ICMPNE:
        condition = "IF_ICMPNE";
        break;
    case Opcodes.IF_ICMPLT:
        condition = "IF_ICMPLT";
        break;
    case Opcodes.IF_ICMPGE:
        condition = "IF_ICMPGE";
        break;
    case Opcodes.IF_ICMPGT:
        condition = "IF_ICMPGT";
        break;
    case Opcodes.IF_ICMPLE:
        condition = "IF_ICMPLE";
        break;
    case Opcodes.IF_ACMPEQ:
        condition = "IF_ACMPEQ";
        break;
    case Opcodes.IF_ACMPNE:
        condition = "IF_ACMPNE";
        break;
    case Opcodes.GOTO:
        condition = "GOTO";
        break;
    case Opcodes.JSR:
        condition = "JSR";
        break;
    case Opcodes.IFNULL:
        condition = "IFNULL";
        break;
    case Opcodes.IFNONNULL:
        condition = "IFNONNULL";
        break;
    default:
        assert false;
        condition = "--ERROR--";
        break;
    }

    return condition + " " + this.target;
}

---

From source file:dyco4j.instrumentation.internals.InitTracingMethodVisitor.java

License:BSD License

@Override
public void visitJumpInsn(final int opcode, final Label label) {
    mv.visitJumpInsn(opcode, label);//  w  w w  .  j  a v  a  2 s  .c om
    switch (opcode) {
    case Opcodes.IFEQ:
    case Opcodes.IFNE:
    case Opcodes.IFLT:
    case Opcodes.IFGE:
    case Opcodes.IFGT:
    case Opcodes.IFLE:
    case Opcodes.IFNULL:
    case Opcodes.IFNONNULL:
        this.stackFrame.pop();
        break;
    case Opcodes.IF_ICMPEQ:
    case Opcodes.IF_ICMPNE:
    case Opcodes.IF_ICMPLT:
    case Opcodes.IF_ICMPGE:
    case Opcodes.IF_ICMPGT:
    case Opcodes.IF_ICMPLE:
    case Opcodes.IF_ACMPEQ:
    case Opcodes.IF_ACMPNE:
        this.stackFrame.pop();
        this.stackFrame.pop();
        break;
    case Opcodes.JSR:
        this.stackFrame.push(OTHER);
        break;
    }
    addBranch(label);
}

---

From source file:edu.illinois.nondex.instr.IdentityHashMapShufflingAdder.java

License:Open Source License

public void addNextIndex() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PROTECTED, "nextIndex", "()I", null, null);
    mv.visitCode();/*from w w w  .  j  a  v a  2s. co  m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "this$0",
            "Ljava/util/IdentityHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "modCount", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "expectedModCount",
            "I");
    Label l0 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPEQ, l0);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/ConcurrentModificationException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ConcurrentModificationException", "<init>", "()V",
            false);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitLabel(l0);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/IdentityHashMap$IdentityHashMapIterator", "hasNext",
            "()Z", false);
    Label l1 = new Label();
    mv.visitJumpInsn(Opcodes.IFNE, l1);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/NoSuchElementException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/NoSuchElementException", "<init>", "()V", false);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitLabel(l1);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "keys",
            "Ljava/util/List;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.DUP);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "idx", "I");
    mv.visitInsn(Opcodes.DUP_X1);
    mv.visitInsn(Opcodes.ICONST_1);
    mv.visitInsn(Opcodes.IADD);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "idx", "I");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "get", "(I)Ljava/lang/Object;", true);
    mv.visitVarInsn(Opcodes.ASTORE, 1);
    mv.visitInsn(Opcodes.ICONST_0);
    mv.visitVarInsn(Opcodes.ISTORE, 2);
    Label l2 = new Label();
    mv.visitLabel(l2);
    mv.visitFrame(Opcodes.F_APPEND, 2, new Object[] { "java/lang/Object", Opcodes.INTEGER }, 0, null);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "this$0",
            "Ljava/util/IdentityHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table", "[Ljava/lang/Object;");
    mv.visitInsn(Opcodes.ARRAYLENGTH);
    Label l3 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPGE, l3);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator", "this$0",
            "Ljava/util/IdentityHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table", "[Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitInsn(Opcodes.AALOAD);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    Label l4 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ACMPNE, l4);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
            "lastReturnedIndex", "I");
    mv.visitJumpInsn(Opcodes.GOTO, l3);
    mv.visitLabel(l4);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitIincInsn(2, 2);
    mv.visitJumpInsn(Opcodes.GOTO, l2);
    mv.visitLabel(l3);
    mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
            "lastReturnedIndex", "I");
    mv.visitInsn(Opcodes.IRETURN);
    mv.visitMaxs(5, 3);
    mv.visitEnd();
}

---

From source file:edu.illinois.nondex.instr.PriorityBlockingQueueShufflingAdder.java

License:Open Source License

public void addToString() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "toString", "()Ljava/lang/String;", null, null);
    mv.visitCode();//  www.j  a  va 2 s  .  c  o  m
    Label l0 = new Label();
    Label l1 = new Label();
    Label l2 = new Label();
    mv.visitTryCatchBlock(l0, l1, l2, null);
    Label l3 = new Label();
    Label l4 = new Label();
    mv.visitTryCatchBlock(l3, l4, l2, null);
    Label l5 = new Label();
    mv.visitTryCatchBlock(l2, l5, l2, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/concurrent/PriorityBlockingQueue", "lock",
            "Ljava/util/concurrent/locks/ReentrantLock;");
    mv.visitVarInsn(Opcodes.ASTORE, 1);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "lock", "()V", false);
    mv.visitLabel(l0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/concurrent/PriorityBlockingQueue", "size", "I");
    mv.visitVarInsn(Opcodes.ISTORE, 2);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitJumpInsn(Opcodes.IFNE, l3);
    mv.visitLdcInsn("[]");
    mv.visitVarInsn(Opcodes.ASTORE, 3);
    mv.visitLabel(l1);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "unlock", "()V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l3);
    mv.visitFrame(Opcodes.F_APPEND, 2,
            new Object[] { "java/util/concurrent/locks/ReentrantLock", Opcodes.INTEGER }, 0, null);
    mv.visitTypeInsn(Opcodes.NEW, "java/lang/StringBuilder");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/StringBuilder", "<init>", "()V", false);
    mv.visitVarInsn(Opcodes.ASTORE, 3);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitIntInsn(Opcodes.BIPUSH, 91);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitInsn(Opcodes.POP);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/concurrent/PriorityBlockingQueue", "queue",
            "[Ljava/lang/Object;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "[Ljava/lang/Object;", "clone", "()Ljava/lang/Object;", false);
    mv.visitTypeInsn(Opcodes.CHECKCAST, "[Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
            "([Ljava/lang/Object;)[Ljava/lang/Object;", false);
    mv.visitVarInsn(Opcodes.ASTORE, 4);
    mv.visitInsn(Opcodes.ICONST_0);
    mv.visitVarInsn(Opcodes.ISTORE, 5);
    Label l6 = new Label();
    mv.visitLabel(l6);
    mv.visitFrame(Opcodes.F_APPEND, 3,
            new Object[] { "java/lang/StringBuilder", "[Ljava/lang/Object;", Opcodes.INTEGER }, 0, null);
    mv.visitVarInsn(Opcodes.ILOAD, 5);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    Label l7 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPGE, l7);
    mv.visitVarInsn(Opcodes.ALOAD, 4);
    mv.visitVarInsn(Opcodes.ILOAD, 5);
    mv.visitInsn(Opcodes.AALOAD);
    mv.visitVarInsn(Opcodes.ASTORE, 6);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitVarInsn(Opcodes.ALOAD, 6);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    Label l8 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ACMPNE, l8);
    mv.visitLdcInsn("(this Collection)");
    Label l9 = new Label();
    mv.visitJumpInsn(Opcodes.GOTO, l9);
    mv.visitLabel(l8);
    mv.visitFrame(Opcodes.F_FULL, 7,
            new Object[] { "java/util/concurrent/PriorityBlockingQueue",
                    "java/util/concurrent/locks/ReentrantLock", Opcodes.INTEGER, "java/lang/StringBuilder",
                    "[Ljava/lang/Object;", Opcodes.INTEGER, "java/lang/Object" },
            1, new Object[] { "java/lang/StringBuilder" });
    mv.visitVarInsn(Opcodes.ALOAD, 6);
    mv.visitLabel(l9);
    mv.visitFrame(Opcodes.F_FULL, 7,
            new Object[] { "java/util/concurrent/PriorityBlockingQueue",
                    "java/util/concurrent/locks/ReentrantLock", Opcodes.INTEGER, "java/lang/StringBuilder",
                    "[Ljava/lang/Object;", Opcodes.INTEGER, "java/lang/Object" },
            2, new Object[] { "java/lang/StringBuilder", "java/lang/Object" });
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(Ljava/lang/Object;)Ljava/lang/StringBuilder;", false);
    mv.visitInsn(Opcodes.POP);
    mv.visitVarInsn(Opcodes.ILOAD, 5);
    mv.visitVarInsn(Opcodes.ILOAD, 2);
    mv.visitInsn(Opcodes.ICONST_1);
    mv.visitInsn(Opcodes.ISUB);
    Label l10 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPEQ, l10);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitIntInsn(Opcodes.BIPUSH, 44);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitIntInsn(Opcodes.BIPUSH, 32);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitInsn(Opcodes.POP);
    mv.visitLabel(l10);
    mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
    mv.visitIincInsn(5, 1);
    mv.visitJumpInsn(Opcodes.GOTO, l6);
    mv.visitLabel(l7);
    mv.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 3);
    mv.visitIntInsn(Opcodes.BIPUSH, 93);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "append",
            "(C)Ljava/lang/StringBuilder;", false);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/StringBuilder", "toString", "()Ljava/lang/String;",
            false);
    mv.visitVarInsn(Opcodes.ASTORE, 5);
    mv.visitLabel(l4);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "unlock", "()V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 5);
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitLabel(l2);
    mv.visitFrame(Opcodes.F_FULL, 2, new Object[] { "java/util/concurrent/PriorityBlockingQueue",
            "java/util/concurrent/locks/ReentrantLock" }, 1, new Object[] { "java/lang/Throwable" });
    mv.visitVarInsn(Opcodes.ASTORE, 7);
    mv.visitLabel(l5);
    mv.visitVarInsn(Opcodes.ALOAD, 1);
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/concurrent/locks/ReentrantLock", "unlock", "()V",
            false);
    mv.visitVarInsn(Opcodes.ALOAD, 7);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitMaxs(3, 8);
    mv.visitEnd();
}

---

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