Example usage for org.objectweb.asm Opcodes PUTFIELD

Introduction

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

Prototype

int PUTFIELD

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

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Usage

From source file:de.zib.sfs.instrument.MappedByteBufferAdapter.java

License:BSD License

@Override
protected void appendWrappedMethods(ClassVisitor visitor) {
    // public void setFromFileChannel(boolean fromFileChannel) {
    MethodVisitor setFromFileChannelMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "setFromFileChannel",
            Type.getMethodDescriptor(Type.VOID_TYPE, Type.BOOLEAN_TYPE), null, null);
    setFromFileChannelMV.visitCode();/*  w  w  w.j a v a  2 s. c  o  m*/

    // this.fromFileChannel = fromFileChannel;
    setFromFileChannelMV.visitVarInsn(Opcodes.ALOAD, 0);
    setFromFileChannelMV.visitVarInsn(Opcodes.ILOAD, 1);
    setFromFileChannelMV.visitFieldInsn(Opcodes.PUTFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fromFileChannel", Type.getDescriptor(Boolean.TYPE));

    // }
    setFromFileChannelMV.visitInsn(Opcodes.RETURN);
    setFromFileChannelMV.visitMaxs(0, 0);
    setFromFileChannelMV.visitEnd();

    // public boolean isFromFileChannel() {
    MethodVisitor isFromFileChannelMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "isFromFileChannel",
            Type.getMethodDescriptor(Type.BOOLEAN_TYPE), null, null);
    isFromFileChannelMV.visitCode();

    // return fromFileChannel;
    // }
    isFromFileChannelMV.visitVarInsn(Opcodes.ALOAD, 0);
    isFromFileChannelMV.visitFieldInsn(Opcodes.GETFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fromFileChannel", Type.getDescriptor(Boolean.TYPE));
    isFromFileChannelMV.visitInsn(Opcodes.IRETURN);
    isFromFileChannelMV.visitMaxs(0, 0);
    isFromFileChannelMV.visitEnd();

    // public void setFileDescriptor(FileDescriptor fileDescriptor) {
    MethodVisitor settFileDescriptorMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "setFileDescriptor",
            Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(FileDescriptor.class)), null, null);
    settFileDescriptorMV.visitCode();

    // this.fileDescriptor = fileDescriptor;
    settFileDescriptorMV.visitVarInsn(Opcodes.ALOAD, 0);
    settFileDescriptorMV.visitVarInsn(Opcodes.ALOAD, 1);
    settFileDescriptorMV.visitFieldInsn(Opcodes.PUTFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fileDescriptor", Type.getDescriptor(FileDescriptor.class));

    // }
    settFileDescriptorMV.visitInsn(Opcodes.RETURN);
    settFileDescriptorMV.visitMaxs(0, 0);
    settFileDescriptorMV.visitEnd();

    // public FileDescriptor getFileDescriptor() {
    MethodVisitor getFileDescriptorMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "getFileDescriptor",
            Type.getMethodDescriptor(Type.getType(FileDescriptor.class)), null, null);
    getFileDescriptorMV.visitCode();

    // return getFileDescriptorImpl();
    // }
    getFileDescriptorMV.visitVarInsn(Opcodes.ALOAD, 0);
    getFileDescriptorMV.visitMethodInsn(Opcodes.INVOKESPECIAL, this.instrumentedTypeInternalName,
            "getFileDescriptorImpl", Type.getMethodDescriptor(Type.getType(FileDescriptor.class)), false);
    getFileDescriptorMV.visitInsn(Opcodes.ARETURN);
    getFileDescriptorMV.visitMaxs(0, 0);
    getFileDescriptorMV.visitEnd();

    // protected FileDescriptor getFileDescriptorImpl() {
    MethodVisitor getFileDescriptorImplMV = visitor.visitMethod(Opcodes.ACC_PROTECTED, "getFileDescriptorImpl",
            Type.getMethodDescriptor(Type.getType(FileDescriptor.class)), null, null);
    getFileDescriptorImplMV.visitCode();

    // return fileDescriptor;
    // }
    getFileDescriptorImplMV.visitVarInsn(Opcodes.ALOAD, 0);
    getFileDescriptorImplMV.visitFieldInsn(Opcodes.GETFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fileDescriptor", Type.getDescriptor(FileDescriptor.class));
    getFileDescriptorImplMV.visitInsn(Opcodes.ARETURN);
    getFileDescriptorImplMV.visitMaxs(0, 0);
    getFileDescriptorImplMV.visitEnd();

    visitor.visitEnd();
}

---

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

License:BSD License

@Override
public void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
    this.mv.visitFieldInsn(opcode, owner, name, desc);
    final char _c = desc.charAt(0);
    final boolean _longOrDouble = _c == 'J' || _c == 'D';
    switch (opcode) {
    case Opcodes.GETSTATIC: // add 1 or 2
        this.stackFrame.push(OTHER);
        if (_longOrDouble)
            this.stackFrame.push(OTHER);
        break;//from   w ww .  j a  v a  2s  .c o  m
    case Opcodes.PUTSTATIC: // remove 1 or 2
        this.stackFrame.pop();
        if (_longOrDouble)
            this.stackFrame.pop();
        break;
    case Opcodes.PUTFIELD: // remove 2 or 3
        this.stackFrame.pop();
        this.stackFrame.pop();
        if (_longOrDouble)
            this.stackFrame.pop();
        break;
    case Opcodes.GETFIELD: // remove 1 add 1 or 2
        if (_longOrDouble)
            this.stackFrame.push(OTHER);
    }
}

---

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

License:BSD License

@Override
public final void visitFieldInsn(final int opcode, final String owner, final String name, final String desc) {
    if (this.cv.cmdLineOptions.traceFieldAccess) {
        final Type _fieldType = Type.getType(desc);
        final String _fieldId = this.cv.getFieldId(name, owner, desc);
        final boolean _isFieldStatic = opcode == Opcodes.GETSTATIC || opcode == Opcodes.PUTSTATIC;
        if (opcode == Opcodes.GETSTATIC || opcode == Opcodes.GETFIELD) {
            if (_isFieldStatic)
                super.visitInsn(Opcodes.ACONST_NULL);
            else if (this.thisInitialized)
                super.visitInsn(Opcodes.DUP);
            else {
                super.visitLdcInsn(LoggingHelper.UNINITIALIZED_THIS);
                super.visitInsn(Opcodes.SWAP);
            }//from w w  w  .  j  a v  a  2s.  com

            super.visitFieldInsn(opcode, owner, name, desc);
            LoggingHelper.emitLogField(this.mv, _fieldId, _fieldType, Logger.FieldAction.GETF);
        } else if (opcode == Opcodes.PUTSTATIC || opcode == Opcodes.PUTFIELD) {
            if (_isFieldStatic) {
                super.visitInsn(Opcodes.ACONST_NULL);
            } else if (this.thisInitialized) {
                LoggingHelper.emitSwapTwoWordsAndOneWord(this.mv, _fieldType);
                final int _fieldSort = _fieldType.getSort();
                if (_fieldSort == Type.LONG || _fieldSort == Type.DOUBLE)
                    super.visitInsn(Opcodes.DUP_X2);
                else
                    super.visitInsn(Opcodes.DUP_X1);
            } else {
                super.visitLdcInsn(LoggingHelper.UNINITIALIZED_THIS);
            }

            LoggingHelper.emitSwapOneWordAndTwoWords(this.mv, _fieldType);
            LoggingHelper.emitLogField(this.mv, _fieldId, _fieldType, Logger.FieldAction.PUTF);
            super.visitFieldInsn(opcode, owner, name, desc);
        }
    } else
        super.visitFieldInsn(opcode, owner, name, desc);
}

---

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

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    if ("<init>".equals(name)) {
        return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) {
            @Override//from   w w  w. j  a va  2 s. co m
            public void visitInsn(int opcode) {
                if (opcode == Opcodes.RETURN) {
                    mv.visitVarInsn(Opcodes.ALOAD, 1);
                    Label l0 = new Label();
                    mv.visitJumpInsn(Opcodes.IFNULL, l0);
                    mv.visitVarInsn(Opcodes.ALOAD, 0);
                    mv.visitVarInsn(Opcodes.ALOAD, 1);
                    mv.visitVarInsn(Opcodes.ALOAD, 1);
                    mv.visitInsn(Opcodes.ARRAYLENGTH);
                    mv.visitMethodInsn(Opcodes.INVOKESTATIC, "java/util/Arrays", "copyOf",
                            "([Ljava/lang/Object;I)[Ljava/lang/Object;", false);
                    mv.visitMethodInsn(Opcodes.INVOKESTATIC,
                            "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
                            "([Ljava/lang/Object;)[Ljava/lang/Object;", false);
                    mv.visitTypeInsn(Opcodes.CHECKCAST, "[Ljava/util/concurrent/ConcurrentHashMap$Node;");
                    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/concurrent/ConcurrentHashMap$Traverser",
                            "tab", "[Ljava/util/concurrent/ConcurrentHashMap$Node;");
                    mv.visitLabel(l0);
                    mv.visitFrame(Opcodes.F_FULL, 5,
                            new Object[] { "java/util/concurrent/ConcurrentHashMap$Traverser",
                                    "[Ljava/util/concurrent/ConcurrentHashMap$Node;", Opcodes.INTEGER,
                                    Opcodes.INTEGER, Opcodes.INTEGER },
                            0, new Object[] {});
                    mv.visitInsn(Opcodes.RETURN);
                }
                super.visitInsn(opcode);
            }
        };
    }

    return super.visitMethod(access, name, desc, signature, exceptions);
}

---

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

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    if ("<init>".equals(name)) {
        return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) {
            @Override//from ww w.j  a va2  s.  c o  m
            public void visitInsn(int opcode) {
                if (opcode == Opcodes.RETURN) {
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/HashMap$HashIterator$HashIteratorShuffler");
                    super.visitInsn(Opcodes.DUP);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL,
                            "java/util/HashMap$HashIterator$HashIteratorShuffler", "<init>",
                            "(Ljava/util/HashMap$HashIterator;Ljava/util/HashMap$HashIterator;)V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/HashMap$HashIterator", "shuffler",
                            "Ljava/util/HashMap$HashIterator$HashIteratorShuffler;");
                }
                super.visitInsn(opcode);
            }
        };
    }
    if ("hasNext".equals(name)) {
        return super.visitMethod(access, "original_hasNext", desc, signature, exceptions);
    }
    if (name.equals("next" + type)) {
        return super.visitMethod(access, "original_next" + type, desc, signature, exceptions);
    }
    return super.visitMethod(access, name, desc, signature, exceptions);
}

---

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  ww  .  ja  v  a2  s.  c  o  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.IdentityHashMapShufflingAdder.java

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    if ("hasNext".equals(name)) {
        return super.visitMethod(access, "originalHasNext", desc, signature, exceptions);
    }/*from  ww  w .j a  v a  2  s .  com*/
    if ("nextIndex".equals(name)) {
        return super.visitMethod(access, "originalNextIndex", desc, signature, exceptions);
    }
    if ("<init>".equals(name)) {
        return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) {
            @Override
            public void visitInsn(int opcode) {
                if (opcode == Opcodes.RETURN) {
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "size", "I");
                    Label l0 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l0);
                    super.visitInsn(Opcodes.ICONST_0);
                    Label l1 = new Label();
                    super.visitJumpInsn(Opcodes.GOTO, l1);
                    super.visitLabel(l0);
                    super.visitFrame(Opcodes.F_FULL, 2,
                            new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator",
                                    "java/util/IdentityHashMap" },
                            1, new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator" });
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table",
                            "[Ljava/lang/Object;");
                    super.visitInsn(Opcodes.ARRAYLENGTH);
                    super.visitLabel(l1);
                    super.visitFrame(Opcodes.F_FULL, 2,
                            new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator",
                                    "java/util/IdentityHashMap" },
                            2, new Object[] { "java/util/IdentityHashMap$IdentityHashMapIterator",
                                    Opcodes.INTEGER });
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "index", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "modCount", "I");
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "expectedModCount", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_M1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "lastReturnedIndex", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table",
                            "[Ljava/lang/Object;");
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "traversalTable", "[Ljava/lang/Object;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
                    super.visitInsn(Opcodes.DUP);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
                    super.visitInsn(Opcodes.DUP);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "keys", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_0);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "idx", "I");
                    Label l2 = new Label();
                    super.visitLabel(l2);
                    super.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
                            "java/util/IdentityHashMap$IdentityHashMapIterator", "originalHasNext", "()Z",
                            false);
                    Label l3 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l3);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL,
                            "java/util/IdentityHashMap$IdentityHashMapIterator", "originalNextIndex", "()I",
                            false);
                    super.visitMethodInsn(Opcodes.INVOKESTATIC, "java/lang/Integer", "valueOf",
                            "(I)Ljava/lang/Integer;", false);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add",
                            "(Ljava/lang/Object;)Z", true);
                    super.visitInsn(Opcodes.POP);
                    super.visitJumpInsn(Opcodes.GOTO, l2);
                    super.visitLabel(l3);
                    super.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKESTATIC,
                            "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
                            "(Ljava/util/List;)Ljava/util/List;", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "order", "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "iterator",
                            "()Ljava/util/Iterator;", true);
                    super.visitVarInsn(Opcodes.ASTORE, 2);
                    Label l4 = new Label();
                    super.visitLabel(l4);
                    super.visitFrame(Opcodes.F_APPEND, 1, new Object[] { "java/util/Iterator" }, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 2);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "hasNext", "()Z",
                            true);
                    Label l5 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l5);
                    super.visitVarInsn(Opcodes.ALOAD, 2);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next",
                            "()Ljava/lang/Object;", true);
                    super.visitTypeInsn(Opcodes.CHECKCAST, "java/lang/Integer");
                    super.visitVarInsn(Opcodes.ASTORE, 3);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "keys", "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap$IdentityHashMapIterator",
                            "this$0", "Ljava/util/IdentityHashMap;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/IdentityHashMap", "table",
                            "[Ljava/lang/Object;");
                    super.visitVarInsn(Opcodes.ALOAD, 3);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/lang/Integer", "intValue", "()I", false);
                    super.visitInsn(Opcodes.AALOAD);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add",
                            "(Ljava/lang/Object;)Z", true);
                    super.visitInsn(Opcodes.POP);
                    super.visitJumpInsn(Opcodes.GOTO, l4);
                    super.visitLabel(l5);
                    super.visitFrame(Opcodes.F_CHOP, 1, null, 0, null);
                }
                super.visitInsn(opcode);
            }
        };
    }
    return super.visitMethod(access, name, desc, signature, exceptions);
}

---

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

License:Open Source License

public void addNext() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "next", "()Ljava/lang/Object;", "()TE;", null);
    mv.visitCode();/*  w w  w . ja  va  2 s .  c o  m*/
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "expectedModCount", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "this$0", "Ljava/util/PriorityQueue;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue", "modCount", "I");
    Label l0 = new Label();
    mv.visitJumpInsn(Opcodes.IF_ICMPEQ, l0);
    mv.visitTypeInsn(Opcodes.NEW, "java/util/ConcurrentModificationException");
    mv.visitInsn(Opcodes.DUP);
    mv.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ConcurrentModificationException", "<init>", "()V",
            false);
    mv.visitInsn(Opcodes.ATHROW);
    mv.visitLabel(l0);
    mv.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "iter", "Ljava/util/Iterator;");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;", true);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRetElt", "Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitInsn(Opcodes.ICONST_M1);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRet", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "lastRetElt", "Ljava/lang/Object;");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(2, 1);
    mv.visitEnd();
}

---

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

License:Open Source License

@Override
public MethodVisitor visitMethod(int access, String name, String desc, String signature, String[] exceptions) {
    if ("hasNext".equals(name)) {
        return super.visitMethod(access, "originalHasNext", desc, signature, exceptions);
    }//  w w  w . j a  va  2  s  .c  o m
    if ("next".equals(name)) {
        return super.visitMethod(access, "originalNext", desc, signature, exceptions);
    }
    if ("<init>".equals(name)) {
        return new MethodVisitor(Opcodes.ASM5, super.visitMethod(access, name, desc, signature, exceptions)) {
            @Override
            public void visitInsn(int opcode) {
                if (opcode == Opcodes.RETURN) {
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "this$0",
                            "Ljava/util/PriorityQueue;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/lang/Object", "<init>", "()V", false);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_0);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "cursor", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_M1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRet", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ACONST_NULL);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "forgetMeNot",
                            "Ljava/util/ArrayDeque;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ACONST_NULL);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRetElt",
                            "Ljava/lang/Object;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "this$0",
                            "Ljava/util/PriorityQueue;");
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue", "modCount", "I");
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "expectedModCount",
                            "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitTypeInsn(Opcodes.NEW, "java/util/ArrayList");
                    super.visitInsn(Opcodes.DUP);
                    super.visitMethodInsn(Opcodes.INVOKESPECIAL, "java/util/ArrayList", "<init>", "()V", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    Label l0 = new Label();
                    super.visitLabel(l0);
                    super.visitFrame(Opcodes.F_FULL, 2,
                            new Object[] { "java/util/PriorityQueue$Itr", "java/util/PriorityQueue" }, 0,
                            new Object[] {});
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/PriorityQueue$Itr",
                            "originalHasNext", "()Z", false);
                    Label l1 = new Label();
                    super.visitJumpInsn(Opcodes.IFEQ, l1);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/PriorityQueue$Itr", "originalNext",
                            "()Ljava/lang/Object;", false);
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "add",
                            "(Ljava/lang/Object;)Z", true);
                    super.visitInsn(Opcodes.POP);
                    super.visitJumpInsn(Opcodes.GOTO, l0);
                    super.visitLabel(l1);
                    super.visitFrame(Opcodes.F_SAME, 0, null, 0, null);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKESTATIC,
                            "edu/illinois/nondex/shuffling/ControlNondeterminism", "shuffle",
                            "(Ljava/util/List;)Ljava/util/List;", false);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitFieldInsn(Opcodes.GETFIELD, "java/util/PriorityQueue$Itr", "elements",
                            "Ljava/util/List;");
                    super.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/List", "iterator",
                            "()Ljava/util/Iterator;", true);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "iter",
                            "Ljava/util/Iterator;");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ICONST_M1);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRet", "I");
                    super.visitVarInsn(Opcodes.ALOAD, 0);
                    super.visitInsn(Opcodes.ACONST_NULL);
                    super.visitFieldInsn(Opcodes.PUTFIELD, "java/util/PriorityQueue$Itr", "lastRetElt",
                            "Ljava/lang/Object;");
                }
                super.visitInsn(opcode);
            }
        };
    }
    return super.visitMethod(access, name, desc, signature, exceptions);
}

---

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

License:Open Source License

public void addNextEntry() {
    MethodVisitor mv = super.visitMethod(Opcodes.ACC_PUBLIC, "nextEntry", "()Ljava/util/WeakHashMap$Entry;",
            "()Ljava/util/WeakHashMap$Entry<TK;TV;>;", null);
    mv.visitCode();//from  w ww . j  a  va 2s  .c  o m
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap$HashIterator", "this$0",
            "Ljava/util/WeakHashMap;");
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap", "modCount", "I");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap$HashIterator", "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.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap$HashIterator", "iter", "Ljava/util/Iterator;");
    mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, "java/util/Iterator", "next", "()Ljava/lang/Object;", true);
    mv.visitTypeInsn(Opcodes.CHECKCAST, "java/util/WeakHashMap$Entry");
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/WeakHashMap$HashIterator", "lastReturned",
            "Ljava/util/WeakHashMap$Entry;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap$HashIterator", "lastReturned",
            "Ljava/util/WeakHashMap$Entry;");
    mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, "java/util/WeakHashMap$Entry", "get", "()Ljava/lang/Object;",
            false);
    mv.visitFieldInsn(Opcodes.PUTFIELD, "java/util/WeakHashMap$HashIterator", "currentKey",
            "Ljava/lang/Object;");
    mv.visitVarInsn(Opcodes.ALOAD, 0);
    mv.visitFieldInsn(Opcodes.GETFIELD, "java/util/WeakHashMap$HashIterator", "lastReturned",
            "Ljava/util/WeakHashMap$Entry;");
    mv.visitInsn(Opcodes.ARETURN);
    mv.visitMaxs(2, 1);
    mv.visitEnd();
}

---

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