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	/*
	* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
	*
	* This code is free software; you can redistribute it and/or modify it
	* under the terms of the GNU General Public License version 2 only, as
	* published by the Free Software Foundation. Oracle designates this
	* particular file as subject to the "Classpath" exception as provided
	* by Oracle in the LICENSE file that accompanied this code.
	*
	* This code is distributed in the hope that it will be useful, but WITHOUT
	* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
	* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
	* version 2 for more details (a copy is included in the LICENSE file that
	* accompanied this code).
	*
	* You should have received a copy of the GNU General Public License version
	* 2 along with this work; if not, write to the Free Software Foundation,
	* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
	*
	* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
	* or visit www.oracle.com if you need additional information or have any
	* questions.
	*/

	/*
	* This file is available under and governed by the GNU General Public
	* License version 2 only, as published by the Free Software Foundation.
	* However, the following notice accompanied the original version of this
	* file:
	*
	* ASM: a very small and fast Java bytecode manipulation framework
	* Copyright (c) 2000-2011 INRIA, France Telecom
	* All rights reserved.
	*
	* Redistribution and use in source and binary forms, with or without
	* modification, are permitted provided that the following conditions
	* are met:
	* 1. Redistributions of source code must retain the above copyright
	* notice, this list of conditions and the following disclaimer.
	* 2. Redistributions in binary form must reproduce the above copyright
	* notice, this list of conditions and the following disclaimer in the
	* documentation and/or other materials provided with the distribution.
	* 3. Neither the name of the copyright holders nor the names of its
	* contributors may be used to endorse or promote products derived from
	* this software without specific prior written permission.
	*
	* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
	* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
	* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
	* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
	* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
	* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
	* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
	* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
	* THE POSSIBILITY OF SUCH DAMAGE.
	*/
	package jdk.internal.org.objectweb.asm.commons;

	import java.util.ArrayList;
	import java.util.HashMap;
	import java.util.List;
	import java.util.Map;

	import jdk.internal.org.objectweb.asm.Handle;
	import jdk.internal.org.objectweb.asm.Label;
	import jdk.internal.org.objectweb.asm.MethodVisitor;
	import jdk.internal.org.objectweb.asm.Opcodes;
	import jdk.internal.org.objectweb.asm.Type;

	/**
	* A {@link MethodVisitor} that keeps track of stack map frame changes between
	* {@link #visitFrame(int, int, Object[], int, Object[]) visitFrame} calls. This
	* adapter must be used with the
	* {@link jdk.internal.org.objectweb.asm.ClassReader#EXPAND_FRAMES} option. Each
	* visit<i>X</i> instruction delegates to the next visitor in the chain, if any,
	* and then simulates the effect of this instruction on the stack map frame,
	* represented by {@link #locals} and {@link #stack}. The next visitor in the
	* chain can get the state of the stack map frame <i>before</i> each instruction
	* by reading the value of these fields in its visit<i>X</i> methods (this
	* requires a reference to the AnalyzerAdapter that is before it in the chain).
	* If this adapter is used with a class that does not contain stack map table
	* attributes (i.e., pre Java 6 classes) then this adapter may not be able to
	* compute the stack map frame for each instruction. In this case no exception
	* is thrown but the {@link #locals} and {@link #stack} fields will be null for
	* these instructions.
	*
	* @author Eric Bruneton
	*/
	public class AnalyzerAdapter extends MethodVisitor {

	/**
	* <code>List</code> of the local variable slots for current execution
	* frame. Primitive types are represented by {@link Opcodes#TOP},
	* {@link Opcodes#INTEGER}, {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
	* {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
	* {@link Opcodes#UNINITIALIZED_THIS} (long and double are represented by
	* two elements, the second one being TOP). Reference types are represented
	* by String objects (representing internal names), and uninitialized types
	* by Label objects (this label designates the NEW instruction that created
	* this uninitialized value). This field is <tt>null</tt> for unreachable
	* instructions.
	*/
	public List<Object> locals;

	/**
	* <code>List</code> of the operand stack slots for current execution frame.
	* Primitive types are represented by {@link Opcodes#TOP},
	* {@link Opcodes#INTEGER}, {@link Opcodes#FLOAT}, {@link Opcodes#LONG},
	* {@link Opcodes#DOUBLE},{@link Opcodes#NULL} or
	* {@link Opcodes#UNINITIALIZED_THIS} (long and double are represented by
	* two elements, the second one being TOP). Reference types are represented
	* by String objects (representing internal names), and uninitialized types
	* by Label objects (this label designates the NEW instruction that created
	* this uninitialized value). This field is <tt>null</tt> for unreachable
	* instructions.
	*/
	public List<Object> stack;

	/**
	* The labels that designate the next instruction to be visited. May be
	* <tt>null</tt>.
	*/
	private List<Label> labels;

	/**
	* Information about uninitialized types in the current execution frame.
	* This map associates internal names to Label objects. Each label
	* designates a NEW instruction that created the currently uninitialized
	* types, and the associated internal name represents the NEW operand, i.e.
	* the final, initialized type value.
	*/
	public Map<Object, Object> uninitializedTypes;

	/**
	* The maximum stack size of this method.
	*/
	private int maxStack;

	/**
	* The maximum number of local variables of this method.
	*/
	private int maxLocals;

	/**
	* The owner's class name.
	*/
	private String owner;

	/**
	* Creates a new {@link AnalyzerAdapter}. <i>Subclasses must not use this
	* constructor</i>. Instead, they must use the
	* {@link #AnalyzerAdapter(int, String, int, String, String, MethodVisitor)}
	* version.
	*
	* @param owner
	* the owner's class name.
	* @param access
	* the method's access flags (see {@link Opcodes}).
	* @param name
	* the method's name.
	* @param desc
	* the method's descriptor (see {@link Type Type}).
	* @param mv
	* the method visitor to which this adapter delegates calls. May
	* be <tt>null</tt>.
	* @throws IllegalStateException
	* If a subclass calls this constructor.
	*/
	public AnalyzerAdapter(final String owner, final int access,
	final String name, final String desc, final MethodVisitor mv) {
	this(Opcodes.ASM5, owner, access, name, desc, mv);
	if (getClass() != AnalyzerAdapter.class) {
	throw new IllegalStateException();
	}
	}

	/**
	* Creates a new {@link AnalyzerAdapter}.
	*
	* @param api
	* the ASM API version implemented by this visitor. Must be one
	* of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.
	* @param owner
	* the owner's class name.
	* @param access
	* the method's access flags (see {@link Opcodes}).
	* @param name
	* the method's name.
	* @param desc
	* the method's descriptor (see {@link Type Type}).
	* @param mv
	* the method visitor to which this adapter delegates calls. May
	* be <tt>null</tt>.
	*/
	protected AnalyzerAdapter(final int api, final String owner,
	final int access, final String name, final String desc,
	final MethodVisitor mv) {
	super(api, mv);
	this.owner = owner;
	locals = new ArrayList<Object>();
	stack = new ArrayList<Object>();
	uninitializedTypes = new HashMap<Object, Object>();

	if ((access & Opcodes.ACC_STATIC) == 0) {
	if ("<init>".equals(name)) {
	locals.add(Opcodes.UNINITIALIZED_THIS);
	} else {
	locals.add(owner);
	}
	}
	Type[] types = Type.getArgumentTypes(desc);
	for (int i = 0; i < types.length; ++i) {
	Type type = types[i];
	switch (type.getSort()) {
	case Type.BOOLEAN:
	case Type.CHAR:
	case Type.BYTE:
	case Type.SHORT:
	case Type.INT:
	locals.add(Opcodes.INTEGER);
	break;
	case Type.FLOAT:
	locals.add(Opcodes.FLOAT);
	break;
	case Type.LONG:
	locals.add(Opcodes.LONG);
	locals.add(Opcodes.TOP);
	break;
	case Type.DOUBLE:
	locals.add(Opcodes.DOUBLE);
	locals.add(Opcodes.TOP);
	break;
	case Type.ARRAY:
	locals.add(types[i].getDescriptor());
	break;
	// case Type.OBJECT:
	default:
	locals.add(types[i].getInternalName());
	}
	}
	maxLocals = locals.size();
	}

	@Override
	public void visitFrame(final int type, final int nLocal,
	final Object[] local, final int nStack, final Object[] stack) {
	if (type != Opcodes.F_NEW) { // uncompressed frame
	throw new IllegalStateException(
	"ClassReader.accept() should be called with EXPAND_FRAMES flag");
	}

	if (mv != null) {
	mv.visitFrame(type, nLocal, local, nStack, stack);
	}

	if (this.locals != null) {
	this.locals.clear();
	this.stack.clear();
	} else {
	this.locals = new ArrayList<Object>();
	this.stack = new ArrayList<Object>();
	}
	visitFrameTypes(nLocal, local, this.locals);
	visitFrameTypes(nStack, stack, this.stack);
	maxStack = Math.max(maxStack, this.stack.size());
	}

	private static void visitFrameTypes(final int n, final Object[] types,
	final List<Object> result) {
	for (int i = 0; i < n; ++i) {
	Object type = types[i];
	result.add(type);
	if (type == Opcodes.LONG \|\| type == Opcodes.DOUBLE) {
	result.add(Opcodes.TOP);
	}
	}
	}

	@Override
	public void visitInsn(final int opcode) {
	if (mv != null) {
	mv.visitInsn(opcode);
	}
	execute(opcode, 0, null);
	if ((opcode >= Opcodes.IRETURN && opcode <= Opcodes.RETURN)
	\|\| opcode == Opcodes.ATHROW) {
	this.locals = null;
	this.stack = null;
	}
	}

	@Override
	public void visitIntInsn(final int opcode, final int operand) {
	if (mv != null) {
	mv.visitIntInsn(opcode, operand);
	}
	execute(opcode, operand, null);
	}

	@Override
	public void visitVarInsn(final int opcode, final int var) {
	if (mv != null) {
	mv.visitVarInsn(opcode, var);
	}
	execute(opcode, var, null);
	}

	@Override
	public void visitTypeInsn(final int opcode, final String type) {
	if (opcode == Opcodes.NEW) {
	if (labels == null) {
	Label l = new Label();
	labels = new ArrayList<Label>(3);
	labels.add(l);
	if (mv != null) {
	mv.visitLabel(l);
	}
	}
	for (int i = 0; i < labels.size(); ++i) {
	uninitializedTypes.put(labels.get(i), type);
	}
	}
	if (mv != null) {
	mv.visitTypeInsn(opcode, type);
	}
	execute(opcode, 0, type);
	}

	@Override
	public void visitFieldInsn(final int opcode, final String owner,
	final String name, final String desc) {
	if (mv != null) {
	mv.visitFieldInsn(opcode, owner, name, desc);
	}
	execute(opcode, 0, desc);
	}

	@Deprecated
	@Override
	public void visitMethodInsn(final int opcode, final String owner,
	final String name, final String desc) {
	if (api >= Opcodes.ASM5) {
	super.visitMethodInsn(opcode, owner, name, desc);
	return;
	}
	doVisitMethodInsn(opcode, owner, name, desc,
	opcode == Opcodes.INVOKEINTERFACE);
	}

	@Override
	public void visitMethodInsn(final int opcode, final String owner,
	final String name, final String desc, final boolean itf) {
	if (api < Opcodes.ASM5) {
	super.visitMethodInsn(opcode, owner, name, desc, itf);
	return;
	}
	doVisitMethodInsn(opcode, owner, name, desc, itf);
	}

	private void doVisitMethodInsn(int opcode, final String owner,
	final String name, final String desc, final boolean itf) {
	if (mv != null) {
	mv.visitMethodInsn(opcode, owner, name, desc, itf);
	}
	if (this.locals == null) {
	labels = null;
	return;
	}
	pop(desc);
	if (opcode != Opcodes.INVOKESTATIC) {
	Object t = pop();
	if (opcode == Opcodes.INVOKESPECIAL && name.charAt(0) == '<') {
	Object u;
	if (t == Opcodes.UNINITIALIZED_THIS) {
	u = this.owner;
	} else {
	u = uninitializedTypes.get(t);
	}
	for (int i = 0; i < locals.size(); ++i) {
	if (locals.get(i) == t) {
	locals.set(i, u);
	}
	}
	for (int i = 0; i < stack.size(); ++i) {
	if (stack.get(i) == t) {
	stack.set(i, u);
	}
	}
	}
	}
	pushDesc(desc);
	labels = null;
	}

	@Override
	public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,
	Object... bsmArgs) {
	if (mv != null) {
	mv.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);
	}
	if (this.locals == null) {
	labels = null;
	return;
	}
	pop(desc);
	pushDesc(desc);
	labels = null;
	}

	@Override
	public void visitJumpInsn(final int opcode, final Label label) {
	if (mv != null) {
	mv.visitJumpInsn(opcode, label);
	}
	execute(opcode, 0, null);
	if (opcode == Opcodes.GOTO) {
	this.locals = null;
	this.stack = null;
	}
	}

	@Override
	public void visitLabel(final Label label) {
	if (mv != null) {
	mv.visitLabel(label);
	}
	if (labels == null) {
	labels = new ArrayList<Label>(3);
	}
	labels.add(label);
	}

	@Override
	public void visitLdcInsn(final Object cst) {
	if (mv != null) {
	mv.visitLdcInsn(cst);
	}
	if (this.locals == null) {
	labels = null;
	return;
	}
	if (cst instanceof Integer) {
	push(Opcodes.INTEGER);
	} else if (cst instanceof Long) {
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	} else if (cst instanceof Float) {
	push(Opcodes.FLOAT);
	} else if (cst instanceof Double) {
	push(Opcodes.DOUBLE);
	push(Opcodes.TOP);
	} else if (cst instanceof String) {
	push("java/lang/String");
	} else if (cst instanceof Type) {
	int sort = ((Type) cst).getSort();
	if (sort == Type.OBJECT \|\| sort == Type.ARRAY) {
	push("java/lang/Class");
	} else if (sort == Type.METHOD) {
	push("java/lang/invoke/MethodType");
	} else {
	throw new IllegalArgumentException();
	}
	} else if (cst instanceof Handle) {
	push("java/lang/invoke/MethodHandle");
	} else {
	throw new IllegalArgumentException();
	}
	labels = null;
	}

	@Override
	public void visitIincInsn(final int var, final int increment) {
	if (mv != null) {
	mv.visitIincInsn(var, increment);
	}
	execute(Opcodes.IINC, var, null);
	}

	@Override
	public void visitTableSwitchInsn(final int min, final int max,
	final Label dflt, final Label... labels) {
	if (mv != null) {
	mv.visitTableSwitchInsn(min, max, dflt, labels);
	}
	execute(Opcodes.TABLESWITCH, 0, null);
	this.locals = null;
	this.stack = null;
	}

	@Override
	public void visitLookupSwitchInsn(final Label dflt, final int[] keys,
	final Label[] labels) {
	if (mv != null) {
	mv.visitLookupSwitchInsn(dflt, keys, labels);
	}
	execute(Opcodes.LOOKUPSWITCH, 0, null);
	this.locals = null;
	this.stack = null;
	}

	@Override
	public void visitMultiANewArrayInsn(final String desc, final int dims) {
	if (mv != null) {
	mv.visitMultiANewArrayInsn(desc, dims);
	}
	execute(Opcodes.MULTIANEWARRAY, dims, desc);
	}

	@Override
	public void visitMaxs(final int maxStack, final int maxLocals) {
	if (mv != null) {
	this.maxStack = Math.max(this.maxStack, maxStack);
	this.maxLocals = Math.max(this.maxLocals, maxLocals);
	mv.visitMaxs(this.maxStack, this.maxLocals);
	}
	}

	// ------------------------------------------------------------------------

	private Object get(final int local) {
	maxLocals = Math.max(maxLocals, local + 1);
	return local < locals.size() ? locals.get(local) : Opcodes.TOP;
	}

	private void set(final int local, final Object type) {
	maxLocals = Math.max(maxLocals, local + 1);
	while (local >= locals.size()) {
	locals.add(Opcodes.TOP);
	}
	locals.set(local, type);
	}

	private void push(final Object type) {
	stack.add(type);
	maxStack = Math.max(maxStack, stack.size());
	}

	private void pushDesc(final String desc) {
	int index = desc.charAt(0) == '(' ? desc.indexOf(')') + 1 : 0;
	switch (desc.charAt(index)) {
	case 'V':
	return;
	case 'Z':
	case 'C':
	case 'B':
	case 'S':
	case 'I':
	push(Opcodes.INTEGER);
	return;
	case 'F':
	push(Opcodes.FLOAT);
	return;
	case 'J':
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	return;
	case 'D':
	push(Opcodes.DOUBLE);
	push(Opcodes.TOP);
	return;
	case '[':
	if (index == 0) {
	push(desc);
	} else {
	push(desc.substring(index, desc.length()));
	}
	break;
	// case 'L':
	default:
	if (index == 0) {
	push(desc.substring(1, desc.length() - 1));
	} else {
	push(desc.substring(index + 1, desc.length() - 1));
	}
	}
	}

	private Object pop() {
	return stack.remove(stack.size() - 1);
	}

	private void pop(final int n) {
	int size = stack.size();
	int end = size - n;
	for (int i = size - 1; i >= end; --i) {
	stack.remove(i);
	}
	}

	private void pop(final String desc) {
	char c = desc.charAt(0);
	if (c == '(') {
	int n = 0;
	Type[] types = Type.getArgumentTypes(desc);
	for (int i = 0; i < types.length; ++i) {
	n += types[i].getSize();
	}
	pop(n);
	} else if (c == 'J' \|\| c == 'D') {
	pop(2);
	} else {
	pop(1);
	}
	}

	private void execute(final int opcode, final int iarg, final String sarg) {
	if (this.locals == null) {
	labels = null;
	return;
	}
	Object t1, t2, t3, t4;
	switch (opcode) {
	case Opcodes.NOP:
	case Opcodes.INEG:
	case Opcodes.LNEG:
	case Opcodes.FNEG:
	case Opcodes.DNEG:
	case Opcodes.I2B:
	case Opcodes.I2C:
	case Opcodes.I2S:
	case Opcodes.GOTO:
	case Opcodes.RETURN:
	break;
	case Opcodes.ACONST_NULL:
	push(Opcodes.NULL);
	break;
	case Opcodes.ICONST_M1:
	case Opcodes.ICONST_0:
	case Opcodes.ICONST_1:
	case Opcodes.ICONST_2:
	case Opcodes.ICONST_3:
	case Opcodes.ICONST_4:
	case Opcodes.ICONST_5:
	case Opcodes.BIPUSH:
	case Opcodes.SIPUSH:
	push(Opcodes.INTEGER);
	break;
	case Opcodes.LCONST_0:
	case Opcodes.LCONST_1:
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	break;
	case Opcodes.FCONST_0:
	case Opcodes.FCONST_1:
	case Opcodes.FCONST_2:
	push(Opcodes.FLOAT);
	break;
	case Opcodes.DCONST_0:
	case Opcodes.DCONST_1:
	push(Opcodes.DOUBLE);
	push(Opcodes.TOP);
	break;
	case Opcodes.ILOAD:
	case Opcodes.FLOAD:
	case Opcodes.ALOAD:
	push(get(iarg));
	break;
	case Opcodes.LLOAD:
	case Opcodes.DLOAD:
	push(get(iarg));
	push(Opcodes.TOP);
	break;
	case Opcodes.IALOAD:
	case Opcodes.BALOAD:
	case Opcodes.CALOAD:
	case Opcodes.SALOAD:
	pop(2);
	push(Opcodes.INTEGER);
	break;
	case Opcodes.LALOAD:
	case Opcodes.D2L:
	pop(2);
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	break;
	case Opcodes.FALOAD:
	pop(2);
	push(Opcodes.FLOAT);
	break;
	case Opcodes.DALOAD:
	case Opcodes.L2D:
	pop(2);
	push(Opcodes.DOUBLE);
	push(Opcodes.TOP);
	break;
	case Opcodes.AALOAD:
	pop(1);
	t1 = pop();
	if (t1 instanceof String) {
	pushDesc(((String) t1).substring(1));
	} else {
	push("java/lang/Object");
	}
	break;
	case Opcodes.ISTORE:
	case Opcodes.FSTORE:
	case Opcodes.ASTORE:
	t1 = pop();
	set(iarg, t1);
	if (iarg > 0) {
	t2 = get(iarg - 1);
	if (t2 == Opcodes.LONG \|\| t2 == Opcodes.DOUBLE) {
	set(iarg - 1, Opcodes.TOP);
	}
	}
	break;
	case Opcodes.LSTORE:
	case Opcodes.DSTORE:
	pop(1);
	t1 = pop();
	set(iarg, t1);
	set(iarg + 1, Opcodes.TOP);
	if (iarg > 0) {
	t2 = get(iarg - 1);
	if (t2 == Opcodes.LONG \|\| t2 == Opcodes.DOUBLE) {
	set(iarg - 1, Opcodes.TOP);
	}
	}
	break;
	case Opcodes.IASTORE:
	case Opcodes.BASTORE:
	case Opcodes.CASTORE:
	case Opcodes.SASTORE:
	case Opcodes.FASTORE:
	case Opcodes.AASTORE:
	pop(3);
	break;
	case Opcodes.LASTORE:
	case Opcodes.DASTORE:
	pop(4);
	break;
	case Opcodes.POP:
	case Opcodes.IFEQ:
	case Opcodes.IFNE:
	case Opcodes.IFLT:
	case Opcodes.IFGE:
	case Opcodes.IFGT:
	case Opcodes.IFLE:
	case Opcodes.IRETURN:
	case Opcodes.FRETURN:
	case Opcodes.ARETURN:
	case Opcodes.TABLESWITCH:
	case Opcodes.LOOKUPSWITCH:
	case Opcodes.ATHROW:
	case Opcodes.MONITORENTER:
	case Opcodes.MONITOREXIT:
	case Opcodes.IFNULL:
	case Opcodes.IFNONNULL:
	pop(1);
	break;
	case Opcodes.POP2:
	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:
	case Opcodes.LRETURN:
	case Opcodes.DRETURN:
	pop(2);
	break;
	case Opcodes.DUP:
	t1 = pop();
	push(t1);
	push(t1);
	break;
	case Opcodes.DUP_X1:
	t1 = pop();
	t2 = pop();
	push(t1);
	push(t2);
	push(t1);
	break;
	case Opcodes.DUP_X2:
	t1 = pop();
	t2 = pop();
	t3 = pop();
	push(t1);
	push(t3);
	push(t2);
	push(t1);
	break;
	case Opcodes.DUP2:
	t1 = pop();
	t2 = pop();
	push(t2);
	push(t1);
	push(t2);
	push(t1);
	break;
	case Opcodes.DUP2_X1:
	t1 = pop();
	t2 = pop();
	t3 = pop();
	push(t2);
	push(t1);
	push(t3);
	push(t2);
	push(t1);
	break;
	case Opcodes.DUP2_X2:
	t1 = pop();
	t2 = pop();
	t3 = pop();
	t4 = pop();
	push(t2);
	push(t1);
	push(t4);
	push(t3);
	push(t2);
	push(t1);
	break;
	case Opcodes.SWAP:
	t1 = pop();
	t2 = pop();
	push(t1);
	push(t2);
	break;
	case Opcodes.IADD:
	case Opcodes.ISUB:
	case Opcodes.IMUL:
	case Opcodes.IDIV:
	case Opcodes.IREM:
	case Opcodes.IAND:
	case Opcodes.IOR:
	case Opcodes.IXOR:
	case Opcodes.ISHL:
	case Opcodes.ISHR:
	case Opcodes.IUSHR:
	case Opcodes.L2I:
	case Opcodes.D2I:
	case Opcodes.FCMPL:
	case Opcodes.FCMPG:
	pop(2);
	push(Opcodes.INTEGER);
	break;
	case Opcodes.LADD:
	case Opcodes.LSUB:
	case Opcodes.LMUL:
	case Opcodes.LDIV:
	case Opcodes.LREM:
	case Opcodes.LAND:
	case Opcodes.LOR:
	case Opcodes.LXOR:
	pop(4);
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	break;
	case Opcodes.FADD:
	case Opcodes.FSUB:
	case Opcodes.FMUL:
	case Opcodes.FDIV:
	case Opcodes.FREM:
	case Opcodes.L2F:
	case Opcodes.D2F:
	pop(2);
	push(Opcodes.FLOAT);
	break;
	case Opcodes.DADD:
	case Opcodes.DSUB:
	case Opcodes.DMUL:
	case Opcodes.DDIV:
	case Opcodes.DREM:
	pop(4);
	push(Opcodes.DOUBLE);
	push(Opcodes.TOP);
	break;
	case Opcodes.LSHL:
	case Opcodes.LSHR:
	case Opcodes.LUSHR:
	pop(3);
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	break;
	case Opcodes.IINC:
	set(iarg, Opcodes.INTEGER);
	break;
	case Opcodes.I2L:
	case Opcodes.F2L:
	pop(1);
	push(Opcodes.LONG);
	push(Opcodes.TOP);
	break;
	case Opcodes.I2F:
	pop(1);
	push(Opcodes.FLOAT);
	break;
	case Opcodes.I2D:
	case Opcodes.F2D:
	pop(1);
	push(Opcodes.DOUBLE);
	push(Opcodes.TOP);
	break;
	case Opcodes.F2I:
	case Opcodes.ARRAYLENGTH:
	case Opcodes.INSTANCEOF:
	pop(1);
	push(Opcodes.INTEGER);
	break;
	case Opcodes.LCMP:
	case Opcodes.DCMPL:
	case Opcodes.DCMPG:
	pop(4);
	push(Opcodes.INTEGER);
	break;
	case Opcodes.JSR:
	case Opcodes.RET:
	throw new RuntimeException("JSR/RET are not supported");
	case Opcodes.GETSTATIC:
	pushDesc(sarg);
	break;
	case Opcodes.PUTSTATIC:
	pop(sarg);
	break;
	case Opcodes.GETFIELD:
	pop(1);
	pushDesc(sarg);
	break;
	case Opcodes.PUTFIELD:
	pop(sarg);
	pop();
	break;
	case Opcodes.NEW:
	push(labels.get(0));
	break;
	case Opcodes.NEWARRAY:
	pop();
	switch (iarg) {
	case Opcodes.T_BOOLEAN:
	pushDesc("[Z");
	break;
	case Opcodes.T_CHAR:
	pushDesc("[C");
	break;
	case Opcodes.T_BYTE:
	pushDesc("[B");
	break;
	case Opcodes.T_SHORT:
	pushDesc("[S");
	break;
	case Opcodes.T_INT:
	pushDesc("[I");
	break;
	case Opcodes.T_FLOAT:
	pushDesc("[F");
	break;
	case Opcodes.T_DOUBLE:
	pushDesc("[D");
	break;
	// case Opcodes.T_LONG:
	default:
	pushDesc("[J");
	break;
	}
	break;
	case Opcodes.ANEWARRAY:
	pop();
	pushDesc("[" + Type.getObjectType(sarg));
	break;
	case Opcodes.CHECKCAST:
	pop();
	pushDesc(Type.getObjectType(sarg).getDescriptor());
	break;
	// case Opcodes.MULTIANEWARRAY:
	default:
	pop(iarg);
	pushDesc(sarg);
	break;
	}
	labels = null;
	}
	}

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