/*

 * 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 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} providing a more detailed API to generate and

 * transform instructions.

 *

 * @author Eric Bruneton

 */

public class InstructionAdapter extends MethodVisitor {

    public final static Type OBJECT_TYPE = Type.getType("Ljava/lang/Object;");

    /**

     * Creates a new {@link InstructionAdapter}. <i>Subclasses must not use this

     * constructor</i>. Instead, they must use the

     * {@link #InstructionAdapter(int, MethodVisitor)} version.

     *

     * @param mv

     *            the method visitor to which this adapter delegates calls.

     * @throws IllegalStateException

     *             If a subclass calls this constructor.

     */

    public InstructionAdapter(final MethodVisitor mv) {

        this(Opcodes.ASM5, mv);

        if (getClass() != InstructionAdapter.class) {

            throw new IllegalStateException();

        }

    }

    /**

     * Creates a new {@link InstructionAdapter}.

     *

     * @param api

     *            the ASM API version implemented by this visitor. Must be one

     *            of {@link Opcodes#ASM4} or {@link Opcodes#ASM5}.

     * @param mv

     *            the method visitor to which this adapter delegates calls.

     */

    protected InstructionAdapter(final int api, final MethodVisitor mv) {

        super(api, mv);

    }

    @Override

    public void visitInsn(final int opcode) {

        switch (opcode) {

        case Opcodes.NOP:

            nop();

            break;

        case Opcodes.ACONST_NULL:

            aconst(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:

            iconst(opcode - Opcodes.ICONST_0);

            break;

        case Opcodes.LCONST_0:

        case Opcodes.LCONST_1:

            lconst(opcode - Opcodes.LCONST_0);

            break;

        case Opcodes.FCONST_0:

        case Opcodes.FCONST_1:

        case Opcodes.FCONST_2:

            fconst(opcode - Opcodes.FCONST_0);

            break;

        case Opcodes.DCONST_0:

        case Opcodes.DCONST_1:

            dconst(opcode - Opcodes.DCONST_0);

            break;

        case Opcodes.IALOAD:

            aload(Type.INT_TYPE);

            break;

        case Opcodes.LALOAD:

            aload(Type.LONG_TYPE);

            break;

        case Opcodes.FALOAD:

            aload(Type.FLOAT_TYPE);

            break;

        case Opcodes.DALOAD:

            aload(Type.DOUBLE_TYPE);

            break;

        case Opcodes.AALOAD:

            aload(OBJECT_TYPE);

            break;

        case Opcodes.BALOAD:

            aload(Type.BYTE_TYPE);

            break;

        case Opcodes.CALOAD:

            aload(Type.CHAR_TYPE);

            break;

        case Opcodes.SALOAD:

            aload(Type.SHORT_TYPE);

            break;

        case Opcodes.IASTORE:

            astore(Type.INT_TYPE);

            break;

        case Opcodes.LASTORE:

            astore(Type.LONG_TYPE);

            break;

        case Opcodes.FASTORE:

            astore(Type.FLOAT_TYPE);

            break;

        case Opcodes.DASTORE:

            astore(Type.DOUBLE_TYPE);

            break;

        case Opcodes.AASTORE:

            astore(OBJECT_TYPE);

            break;

        case Opcodes.BASTORE:

            astore(Type.BYTE_TYPE);

            break;

        case Opcodes.CASTORE:

            astore(Type.CHAR_TYPE);

            break;

        case Opcodes.SASTORE:

            astore(Type.SHORT_TYPE);

            break;

        case Opcodes.POP:

            pop();

            break;

        case Opcodes.POP2:

            pop2();

            break;

        case Opcodes.DUP:

            dup();

            break;

        case Opcodes.DUP_X1:

            dupX1();

            break;

        case Opcodes.DUP_X2:

            dupX2();

            break;

        case Opcodes.DUP2:

            dup2();

            break;

        case Opcodes.DUP2_X1:

            dup2X1();

            break;

        case Opcodes.DUP2_X2:

            dup2X2();

            break;

        case Opcodes.SWAP:

            swap();

            break;

        case Opcodes.IADD:

            add(Type.INT_TYPE);

            break;

        case Opcodes.LADD:

            add(Type.LONG_TYPE);

            break;

        case Opcodes.FADD:

            add(Type.FLOAT_TYPE);

            break;

        case Opcodes.DADD:

            add(Type.DOUBLE_TYPE);

            break;

        case Opcodes.ISUB:

            sub(Type.INT_TYPE);

            break;

        case Opcodes.LSUB:

            sub(Type.LONG_TYPE);

            break;

        case Opcodes.FSUB:

            sub(Type.FLOAT_TYPE);

            break;

        case Opcodes.DSUB:

            sub(Type.DOUBLE_TYPE);

            break;

        case Opcodes.IMUL:

            mul(Type.INT_TYPE);

            break;

        case Opcodes.LMUL:

            mul(Type.LONG_TYPE);

            break;

        case Opcodes.FMUL:

            mul(Type.FLOAT_TYPE);

            break;

        case Opcodes.DMUL:

            mul(Type.DOUBLE_TYPE);

            break;

        case Opcodes.IDIV:

            div(Type.INT_TYPE);

            break;

        case Opcodes.LDIV:

            div(Type.LONG_TYPE);

            break;

        case Opcodes.FDIV:

            div(Type.FLOAT_TYPE);

            break;

        case Opcodes.DDIV:

            div(Type.DOUBLE_TYPE);

            break;

        case Opcodes.IREM:

            rem(Type.INT_TYPE);

            break;

        case Opcodes.LREM:

            rem(Type.LONG_TYPE);

            break;

        case Opcodes.FREM:

            rem(Type.FLOAT_TYPE);

            break;

        case Opcodes.DREM:

            rem(Type.DOUBLE_TYPE);

            break;

        case Opcodes.INEG:

            neg(Type.INT_TYPE);

            break;

        case Opcodes.LNEG:

            neg(Type.LONG_TYPE);

            break;

        case Opcodes.FNEG:

            neg(Type.FLOAT_TYPE);

            break;

        case Opcodes.DNEG:

            neg(Type.DOUBLE_TYPE);

            break;

        case Opcodes.ISHL:

            shl(Type.INT_TYPE);

            break;

        case Opcodes.LSHL:

            shl(Type.LONG_TYPE);

            break;

        case Opcodes.ISHR:

            shr(Type.INT_TYPE);

            break;

        case Opcodes.LSHR:

            shr(Type.LONG_TYPE);

            break;

        case Opcodes.IUSHR:

            ushr(Type.INT_TYPE);

            break;

        case Opcodes.LUSHR:

            ushr(Type.LONG_TYPE);

            break;

        case Opcodes.IAND:

            and(Type.INT_TYPE);

            break;

        case Opcodes.LAND:

            and(Type.LONG_TYPE);

            break;

        case Opcodes.IOR:

            or(Type.INT_TYPE);

            break;

        case Opcodes.LOR:

            or(Type.LONG_TYPE);

            break;

        case Opcodes.IXOR:

            xor(Type.INT_TYPE);

            break;

        case Opcodes.LXOR:

            xor(Type.LONG_TYPE);

            break;

        case Opcodes.I2L:

            cast(Type.INT_TYPE, Type.LONG_TYPE);

            break;

        case Opcodes.I2F:

            cast(Type.INT_TYPE, Type.FLOAT_TYPE);

            break;

        case Opcodes.I2D:

            cast(Type.INT_TYPE, Type.DOUBLE_TYPE);

            break;

        case Opcodes.L2I:

            cast(Type.LONG_TYPE, Type.INT_TYPE);

            break;

        case Opcodes.L2F:

            cast(Type.LONG_TYPE, Type.FLOAT_TYPE);

            break;

        case Opcodes.L2D:

            cast(Type.LONG_TYPE, Type.DOUBLE_TYPE);

            break;

        case Opcodes.F2I:

            cast(Type.FLOAT_TYPE, Type.INT_TYPE);

            break;

        case Opcodes.F2L:

            cast(Type.FLOAT_TYPE, Type.LONG_TYPE);

            break;

        case Opcodes.F2D:

            cast(Type.FLOAT_TYPE, Type.DOUBLE_TYPE);

            break;

        case Opcodes.D2I:

            cast(Type.DOUBLE_TYPE, Type.INT_TYPE);

            break;

        case Opcodes.D2L:

            cast(Type.DOUBLE_TYPE, Type.LONG_TYPE);

            break;

        case Opcodes.D2F:

            cast(Type.DOUBLE_TYPE, Type.FLOAT_TYPE);

            break;

        case Opcodes.I2B:

            cast(Type.INT_TYPE, Type.BYTE_TYPE);

            break;

        case Opcodes.I2C:

            cast(Type.INT_TYPE, Type.CHAR_TYPE);

            break;

        case Opcodes.I2S:

            cast(Type.INT_TYPE, Type.SHORT_TYPE);

            break;

        case Opcodes.LCMP:

            lcmp();

            break;

        case Opcodes.FCMPL:

            cmpl(Type.FLOAT_TYPE);

            break;

        case Opcodes.FCMPG:

            cmpg(Type.FLOAT_TYPE);

            break;

        case Opcodes.DCMPL:

            cmpl(Type.DOUBLE_TYPE);

            break;

        case Opcodes.DCMPG:

            cmpg(Type.DOUBLE_TYPE);

            break;

        case Opcodes.IRETURN:

            areturn(Type.INT_TYPE);

            break;

        case Opcodes.LRETURN:

            areturn(Type.LONG_TYPE);

            break;

        case Opcodes.FRETURN:

            areturn(Type.FLOAT_TYPE);

            break;

        case Opcodes.DRETURN:

            areturn(Type.DOUBLE_TYPE);

            break;

        case Opcodes.ARETURN:

            areturn(OBJECT_TYPE);

            break;

        case Opcodes.RETURN:

            areturn(Type.VOID_TYPE);

            break;

        case Opcodes.ARRAYLENGTH:

            arraylength();

            break;

        case Opcodes.ATHROW:

            athrow();

            break;

        case Opcodes.MONITORENTER:

            monitorenter();

            break;

        case Opcodes.MONITOREXIT:

            monitorexit();

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitIntInsn(final int opcode, final int operand) {

        switch (opcode) {

        case Opcodes.BIPUSH:

            iconst(operand);

            break;

        case Opcodes.SIPUSH:

            iconst(operand);

            break;

        case Opcodes.NEWARRAY:

            switch (operand) {

            case Opcodes.T_BOOLEAN:

                newarray(Type.BOOLEAN_TYPE);

                break;

            case Opcodes.T_CHAR:

                newarray(Type.CHAR_TYPE);

                break;

            case Opcodes.T_BYTE:

                newarray(Type.BYTE_TYPE);

                break;

            case Opcodes.T_SHORT:

                newarray(Type.SHORT_TYPE);

                break;

            case Opcodes.T_INT:

                newarray(Type.INT_TYPE);

                break;

            case Opcodes.T_FLOAT:

                newarray(Type.FLOAT_TYPE);

                break;

            case Opcodes.T_LONG:

                newarray(Type.LONG_TYPE);

                break;

            case Opcodes.T_DOUBLE:

                newarray(Type.DOUBLE_TYPE);

                break;

            default:

                throw new IllegalArgumentException();

            }

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitVarInsn(final int opcode, final int var) {

        switch (opcode) {

        case Opcodes.ILOAD:

            load(var, Type.INT_TYPE);

            break;

        case Opcodes.LLOAD:

            load(var, Type.LONG_TYPE);

            break;

        case Opcodes.FLOAD:

            load(var, Type.FLOAT_TYPE);

            break;

        case Opcodes.DLOAD:

            load(var, Type.DOUBLE_TYPE);

            break;

        case Opcodes.ALOAD:

            load(var, OBJECT_TYPE);

            break;

        case Opcodes.ISTORE:

            store(var, Type.INT_TYPE);

            break;

        case Opcodes.LSTORE:

            store(var, Type.LONG_TYPE);

            break;

        case Opcodes.FSTORE:

            store(var, Type.FLOAT_TYPE);

            break;

        case Opcodes.DSTORE:

            store(var, Type.DOUBLE_TYPE);

            break;

        case Opcodes.ASTORE:

            store(var, OBJECT_TYPE);

            break;

        case Opcodes.RET:

            ret(var);

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitTypeInsn(final int opcode, final String type) {

        Type t = Type.getObjectType(type);

        switch (opcode) {

        case Opcodes.NEW:

            anew(t);

            break;

        case Opcodes.ANEWARRAY:

            newarray(t);

            break;

        case Opcodes.CHECKCAST:

            checkcast(t);

            break;

        case Opcodes.INSTANCEOF:

            instanceOf(t);

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitFieldInsn(final int opcode, final String owner,

            final String name, final String desc) {

        switch (opcode) {

        case Opcodes.GETSTATIC:

            getstatic(owner, name, desc);

            break;

        case Opcodes.PUTSTATIC:

            putstatic(owner, name, desc);

            break;

        case Opcodes.GETFIELD:

            getfield(owner, name, desc);

            break;

        case Opcodes.PUTFIELD:

            putfield(owner, name, desc);

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @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) {

        switch (opcode) {

        case Opcodes.INVOKESPECIAL:

            invokespecial(owner, name, desc, itf);

            break;

        case Opcodes.INVOKEVIRTUAL:

            invokevirtual(owner, name, desc, itf);

            break;

        case Opcodes.INVOKESTATIC:

            invokestatic(owner, name, desc, itf);

            break;

        case Opcodes.INVOKEINTERFACE:

            invokeinterface(owner, name, desc);

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitInvokeDynamicInsn(String name, String desc, Handle bsm,

            Object... bsmArgs) {

        invokedynamic(name, desc, bsm, bsmArgs);

    }

    @Override

    public void visitJumpInsn(final int opcode, final Label label) {

        switch (opcode) {

        case Opcodes.IFEQ:

            ifeq(label);

            break;

        case Opcodes.IFNE:

            ifne(label);

            break;

        case Opcodes.IFLT:

            iflt(label);

            break;

        case Opcodes.IFGE:

            ifge(label);

            break;

        case Opcodes.IFGT:

            ifgt(label);

            break;

        case Opcodes.IFLE:

            ifle(label);

            break;

        case Opcodes.IF_ICMPEQ:

            ificmpeq(label);

            break;

        case Opcodes.IF_ICMPNE:

            ificmpne(label);

            break;

        case Opcodes.IF_ICMPLT:

            ificmplt(label);

            break;

        case Opcodes.IF_ICMPGE:

            ificmpge(label);

            break;

        case Opcodes.IF_ICMPGT:

            ificmpgt(label);

            break;

        case Opcodes.IF_ICMPLE:

            ificmple(label);

            break;

        case Opcodes.IF_ACMPEQ:

            ifacmpeq(label);

            break;

        case Opcodes.IF_ACMPNE:

            ifacmpne(label);

            break;

        case Opcodes.GOTO:

            goTo(label);

            break;

        case Opcodes.JSR:

            jsr(label);

            break;

        case Opcodes.IFNULL:

            ifnull(label);

            break;

        case Opcodes.IFNONNULL:

            ifnonnull(label);

            break;

        default:

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitLabel(final Label label) {

        mark(label);

    }

    @Override

    public void visitLdcInsn(final Object cst) {

        if (cst instanceof Integer) {

            int val = ((Integer) cst).intValue();

            iconst(val);

        } else if (cst instanceof Byte) {

            int val = ((Byte) cst).intValue();

            iconst(val);

        } else if (cst instanceof Character) {

            int val = ((Character) cst).charValue();

            iconst(val);

        } else if (cst instanceof Short) {

            int val = ((Short) cst).intValue();

            iconst(val);

        } else if (cst instanceof Boolean) {

            int val = ((Boolean) cst).booleanValue() ? 1 : 0;

            iconst(val);

        } else if (cst instanceof Float) {

            float val = ((Float) cst).floatValue();

            fconst(val);

        } else if (cst instanceof Long) {

            long val = ((Long) cst).longValue();

            lconst(val);

        } else if (cst instanceof Double) {

            double val = ((Double) cst).doubleValue();

            dconst(val);

        } else if (cst instanceof String) {

            aconst(cst);

        } else if (cst instanceof Type) {

            tconst((Type) cst);

        } else if (cst instanceof Handle) {

            hconst((Handle) cst);

        } else {

            throw new IllegalArgumentException();

        }

    }

    @Override

    public void visitIincInsn(final int var, final int increment) {

        iinc(var, increment);

    }

    @Override

    public void visitTableSwitchInsn(final int min, final int max,

            final Label dflt, final Label... labels) {

        tableswitch(min, max, dflt, labels);

    }

    @Override

    public void visitLookupSwitchInsn(final Label dflt, final int[] keys,

            final Label[] labels) {

        lookupswitch(dflt, keys, labels);

    }

    @Override

    public void visitMultiANewArrayInsn(final String desc, final int dims) {

        multianewarray(desc, dims);

    }

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

    public void nop() {

        mv.visitInsn(Opcodes.NOP);

    }

    public void aconst(final Object cst) {

        if (cst == null) {

            mv.visitInsn(Opcodes.ACONST_NULL);

        } else {

            mv.visitLdcInsn(cst);

        }

    }

    public void iconst(final int cst) {

        if (cst >= -1 && cst <= 5) {

            mv.visitInsn(Opcodes.ICONST_0 + cst);

        } else if (cst >= Byte.MIN_VALUE && cst <= Byte.MAX_VALUE) {

            mv.visitIntInsn(Opcodes.BIPUSH, cst);

        } else if (cst >= Short.MIN_VALUE && cst <= Short.MAX_VALUE) {

            mv.visitIntInsn(Opcodes.SIPUSH, cst);

        } else {

            mv.visitLdcInsn(cst);

        }

    }

    public void lconst(final long cst) {

        if (cst == 0L || cst == 1L) {

            mv.visitInsn(Opcodes.LCONST_0 + (int) cst);

        } else {

            mv.visitLdcInsn(cst);

        }

    }

    public void fconst(final float cst) {

        int bits = Float.floatToIntBits(cst);

        if (bits == 0L || bits == 0x3f800000 || bits == 0x40000000) { // 0..2

            mv.visitInsn(Opcodes.FCONST_0 + (int) cst);

        } else {

            mv.visitLdcInsn(cst);

        }

    }

    public void dconst(final double cst) {

        long bits = Double.doubleToLongBits(cst);

        if (bits == 0L || bits == 0x3ff0000000000000L) { // +0.0d and 1.0d

            mv.visitInsn(Opcodes.DCONST_0 + (int) cst);

        } else {

            mv.visitLdcInsn(cst);

        }

    }

    public void tconst(final Type type) {

        mv.visitLdcInsn(type);

    }

    public void hconst(final Handle handle) {

        mv.visitLdcInsn(handle);

    }

    public void load(final int var, final Type type) {

        mv.visitVarInsn(type.getOpcode(Opcodes.ILOAD), var);

    }

    public void aload(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IALOAD));

    }

    public void store(final int var, final Type type) {

        mv.visitVarInsn(type.getOpcode(Opcodes.ISTORE), var);

    }

    public void astore(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IASTORE));

    }

    public void pop() {

        mv.visitInsn(Opcodes.POP);

    }

    public void pop2() {

        mv.visitInsn(Opcodes.POP2);

    }

    public void dup() {

        mv.visitInsn(Opcodes.DUP);

    }

    public void dup2() {

        mv.visitInsn(Opcodes.DUP2);

    }

    public void dupX1() {

        mv.visitInsn(Opcodes.DUP_X1);

    }

    public void dupX2() {

        mv.visitInsn(Opcodes.DUP_X2);

    }

    public void dup2X1() {

        mv.visitInsn(Opcodes.DUP2_X1);

    }

    public void dup2X2() {

        mv.visitInsn(Opcodes.DUP2_X2);

    }

    public void swap() {

        mv.visitInsn(Opcodes.SWAP);

    }

    public void add(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IADD));

    }

    public void sub(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.ISUB));

    }

    public void mul(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IMUL));

    }

    public void div(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IDIV));

    }

    public void rem(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IREM));

    }

    public void neg(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.INEG));

    }

    public void shl(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.ISHL));

    }

    public void shr(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.ISHR));

    }

    public void ushr(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IUSHR));

    }

    public void and(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IAND));

    }

    public void or(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IOR));

    }

    public void xor(final Type type) {

        mv.visitInsn(type.getOpcode(Opcodes.IXOR));

    }

    public void iinc(final int var, final int increment) {

        mv.visitIincInsn(var, increment);

    }

    public void cast(final Type from, final Type to) {

        if (from != to) {

            if (from == Type.DOUBLE_TYPE) {

                if (to == Type.FLOAT_TYPE) {

                    mv.visitInsn(Opcodes.D2F);

                } else if (to == Type.LONG_TYPE) {

                    mv.visitInsn(Opcodes.D2L);

                } else {

                    mv.visitInsn(Opcodes.D2I);

                    cast(Type.INT_TYPE, to);

                }

            } else if (from == Type.FLOAT_TYPE) {

                if (to == Type.DOUBLE_TYPE) {

                    mv.visitInsn(Opcodes.F2D);

                } else if (to == Type.LONG_TYPE) {

                    mv.visitInsn(Opcodes.F2L);

                } else {

                    mv.visitInsn(Opcodes.F2I);

                    cast(Type.INT_TYPE, to);

                }

            } else if (from == Type.LONG_TYPE) {

                if (to == Type.DOUBLE_TYPE) {

                    mv.visitInsn(Opcodes.L2D);

                } else if (to == Type.FLOAT_TYPE) {

                    mv.visitInsn(Opcodes.L2F);

                } else {

                    mv.visitInsn(Opcodes.L2I);

                    cast(Type.INT_TYPE, to);

                }

            } else {

                if (to == Type.BYTE_TYPE) {

                    mv.visitInsn(Opcodes.I2B);

                } else if (to == Type.CHAR_TYPE) {

                    mv.visitInsn(Opcodes.I2C);

                } else if (to == Type.DOUBLE_TYPE) {

                    mv.visitInsn(Opcodes.I2D);

                } else if (to == Type.FLOAT_TYPE) {

                    mv.visitInsn(Opcodes.I2F);

                } else if (to == Type.LONG_TYPE) {

                    mv.visitInsn(Opcodes.I2L);

                } else if (to == Type.SHORT_TYPE) {

                    mv.visitInsn(Opcodes.I2S);

                }

            }

        }

    }

    public void lcmp() {

        mv.visitInsn(Opcodes.LCMP);

    }

    public void cmpl(final Type type) {

        mv.visitInsn(type == Type.FLOAT_TYPE ? Opcodes.FCMPL : Opcodes.DCMPL);

    }

    public void cmpg(final Type type) {

        mv.visitInsn(type == Type.FLOAT_TYPE ? Opcodes.FCMPG : Opcodes.DCMPG);

    }

    public void ifeq(final Label label) {

        mv.visitJumpInsn(Opcodes.IFEQ, label);

    }

    public void ifne(final Label label) {

        mv.visitJumpInsn(Opcodes.IFNE, label);

    }

    public void iflt(final Label label) {

        mv.visitJumpInsn(Opcodes.IFLT, label);

    }

    public void ifge(final Label label) {

        mv.visitJumpInsn(Opcodes.IFGE, label);

    }

    public void ifgt(final Label label) {

        mv.visitJumpInsn(Opcodes.IFGT, label);

    }

    public void ifle(final Label label) {

        mv.visitJumpInsn(Opcodes.IFLE, label);

    }

    public void ificmpeq(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ICMPEQ, label);

    }

    public void ificmpne(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ICMPNE, label);

    }

    public void ificmplt(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ICMPLT, label);

    }

    public void ificmpge(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ICMPGE, label);

    }

    public void ificmpgt(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ICMPGT, label);

    }

    public void ificmple(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ICMPLE, label);

    }

    public void ifacmpeq(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ACMPEQ, label);

    }

    public void ifacmpne(final Label label) {

        mv.visitJumpInsn(Opcodes.IF_ACMPNE, label);

    }

    public void goTo(final Label label) {

        mv.visitJumpInsn(Opcodes.GOTO, label);

    }

    public void jsr(final Label label) {

        mv.visitJumpInsn(Opcodes.JSR, label);

    }

    public void ret(final int var) {

        mv.visitVarInsn(Opcodes.RET, var);

    }

    public void tableswitch(final int min, final int max, final Label dflt,

            final Label... labels) {

        mv.visitTableSwitchInsn(min, max, dflt, labels);

    }

    public void lookupswitch(final Label dflt, final int[] keys,

            final Label[] labels) {

        mv.visitLookupSwitchInsn(dflt, keys, labels);

    }

    public void areturn(final Type t) {

        mv.visitInsn(t.getOpcode(Opcodes.IRETURN));

    }

    public void getstatic(final String owner, final String name,

            final String desc) {

        mv.visitFieldInsn(Opcodes.GETSTATIC, owner, name, desc);

    }

    public void putstatic(final String owner, final String name,

            final String desc) {

        mv.visitFieldInsn(Opcodes.PUTSTATIC, owner, name, desc);

    }

    public void getfield(final String owner, final String name,

            final String desc) {

        mv.visitFieldInsn(Opcodes.GETFIELD, owner, name, desc);

    }

    public void putfield(final String owner, final String name,

            final String desc) {

        mv.visitFieldInsn(Opcodes.PUTFIELD, owner, name, desc);

    }

    @Deprecated

    public void invokevirtual(final String owner, final String name,

            final String desc) {

        if (api >= Opcodes.ASM5) {

            invokevirtual(owner, name, desc, false);

            return;

        }

        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, owner, name, desc);

    }

    public void invokevirtual(final String owner, final String name,

            final String desc, final boolean itf) {

        if (api < Opcodes.ASM5) {

            if (itf) {

                throw new IllegalArgumentException(

                        "INVOKEVIRTUAL on interfaces require ASM 5");

            }

            invokevirtual(owner, name, desc);

            return;

        }

        mv.visitMethodInsn(Opcodes.INVOKEVIRTUAL, owner, name, desc, itf);

    }

    @Deprecated

    public void invokespecial(final String owner, final String name,

            final String desc) {

        if (api >= Opcodes.ASM5) {

            invokespecial(owner, name, desc, false);

            return;

        }

        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, owner, name, desc, false);

    }

    public void invokespecial(final String owner, final String name,

            final String desc, final boolean itf) {

        if (api < Opcodes.ASM5) {

            if (itf) {

                throw new IllegalArgumentException(

                        "INVOKESPECIAL on interfaces require ASM 5");

            }

            invokespecial(owner, name, desc);

            return;

        }

        mv.visitMethodInsn(Opcodes.INVOKESPECIAL, owner, name, desc, itf);

    }

    @Deprecated

    public void invokestatic(final String owner, final String name,

            final String desc) {

        if (api >= Opcodes.ASM5) {

            invokestatic(owner, name, desc, false);

            return;

        }

        mv.visitMethodInsn(Opcodes.INVOKESTATIC, owner, name, desc, false);

    }

    public void invokestatic(final String owner, final String name,

            final String desc, final boolean itf) {

        if (api < Opcodes.ASM5) {

            if (itf) {

                throw new IllegalArgumentException(

                        "INVOKESTATIC on interfaces require ASM 5");

            }

            invokestatic(owner, name, desc);

            return;

        }

        mv.visitMethodInsn(Opcodes.INVOKESTATIC, owner, name, desc, itf);

    }

    public void invokeinterface(final String owner, final String name,

            final String desc) {

        mv.visitMethodInsn(Opcodes.INVOKEINTERFACE, owner, name, desc, true);

    }

    public void invokedynamic(String name, String desc, Handle bsm,

            Object[] bsmArgs) {

        mv.visitInvokeDynamicInsn(name, desc, bsm, bsmArgs);

    }

    public void anew(final Type type) {

        mv.visitTypeInsn(Opcodes.NEW, type.getInternalName());

    }

    public void newarray(final Type type) {

        int typ;

        switch (type.getSort()) {

        case Type.BOOLEAN:

            typ = Opcodes.T_BOOLEAN;

            break;

        case Type.CHAR:

            typ = Opcodes.T_CHAR;

            break;

        case Type.BYTE:

            typ = Opcodes.T_BYTE;

            break;

        case Type.SHORT:

            typ = Opcodes.T_SHORT;

            break;

        case Type.INT:

            typ = Opcodes.T_INT;

            break;

        case Type.FLOAT:

            typ = Opcodes.T_FLOAT;

            break;

        case Type.LONG:

            typ = Opcodes.T_LONG;

            break;

        case Type.DOUBLE:

            typ = Opcodes.T_DOUBLE;

            break;

        default:

            mv.visitTypeInsn(Opcodes.ANEWARRAY, type.getInternalName());

            return;

        }

        mv.visitIntInsn(Opcodes.NEWARRAY, typ);

    }

    public void arraylength() {

        mv.visitInsn(Opcodes.ARRAYLENGTH);

    }

    public void athrow() {

        mv.visitInsn(Opcodes.ATHROW);

    }

    public void checkcast(final Type type) {

        mv.visitTypeInsn(Opcodes.CHECKCAST, type.getInternalName());

    }

    public void instanceOf(final Type type) {

        mv.visitTypeInsn(Opcodes.INSTANCEOF, type.getInternalName());

    }

    public void monitorenter() {

        mv.visitInsn(Opcodes.MONITORENTER);

    }

    public void monitorexit() {

        mv.visitInsn(Opcodes.MONITOREXIT);

    }

    public void multianewarray(final String desc, final int dims) {

        mv.visitMultiANewArrayInsn(desc, dims);

    }

    public void ifnull(final Label label) {

        mv.visitJumpInsn(Opcodes.IFNULL, label);

    }

    public void ifnonnull(final Label label) {

        mv.visitJumpInsn(Opcodes.IFNONNULL, label);

    }

    public void mark(final Label label) {

        mv.visitLabel(label);

    }

}