/*

 * Copyright (c) 2001, Oracle and/or its affiliates. All rights reserved.

 * 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.

 */

package jdk.internal.reflect;

/** Minimal set of class file constants for assembly of field and

    method accessors. */

interface ClassFileConstants {

    // Constants

    public static final byte opc_aconst_null   = (byte) 0x1;

    public static final byte opc_sipush        = (byte) 0x11;

    public static final byte opc_ldc           = (byte) 0x12;

    // Local variable loads and stores

    public static final byte opc_iload_0       = (byte) 0x1a;

    public static final byte opc_iload_1       = (byte) 0x1b;

    public static final byte opc_iload_2       = (byte) 0x1c;

    public static final byte opc_iload_3       = (byte) 0x1d;

    public static final byte opc_lload_0       = (byte) 0x1e;

    public static final byte opc_lload_1       = (byte) 0x1f;

    public static final byte opc_lload_2       = (byte) 0x20;

    public static final byte opc_lload_3       = (byte) 0x21;

    public static final byte opc_fload_0       = (byte) 0x22;

    public static final byte opc_fload_1       = (byte) 0x23;

    public static final byte opc_fload_2       = (byte) 0x24;

    public static final byte opc_fload_3       = (byte) 0x25;

    public static final byte opc_dload_0       = (byte) 0x26;

    public static final byte opc_dload_1       = (byte) 0x27;

    public static final byte opc_dload_2       = (byte) 0x28;

    public static final byte opc_dload_3       = (byte) 0x29;

    public static final byte opc_aload_0       = (byte) 0x2a;

    public static final byte opc_aload_1       = (byte) 0x2b;

    public static final byte opc_aload_2       = (byte) 0x2c;

    public static final byte opc_aload_3       = (byte) 0x2d;

    public static final byte opc_aaload        = (byte) 0x32;

    public static final byte opc_astore_0      = (byte) 0x4b;

    public static final byte opc_astore_1      = (byte) 0x4c;

    public static final byte opc_astore_2      = (byte) 0x4d;

    public static final byte opc_astore_3      = (byte) 0x4e;

    // Stack manipulation

    public static final byte opc_pop           = (byte) 0x57;

    public static final byte opc_dup           = (byte) 0x59;

    public static final byte opc_dup_x1        = (byte) 0x5a;

    public static final byte opc_swap          = (byte) 0x5f;

    // Conversions

    public static final byte opc_i2l           = (byte) 0x85;

    public static final byte opc_i2f           = (byte) 0x86;

    public static final byte opc_i2d           = (byte) 0x87;

    public static final byte opc_l2i           = (byte) 0x88;

    public static final byte opc_l2f           = (byte) 0x89;

    public static final byte opc_l2d           = (byte) 0x8a;

    public static final byte opc_f2i           = (byte) 0x8b;

    public static final byte opc_f2l           = (byte) 0x8c;

    public static final byte opc_f2d           = (byte) 0x8d;

    public static final byte opc_d2i           = (byte) 0x8e;

    public static final byte opc_d2l           = (byte) 0x8f;

    public static final byte opc_d2f           = (byte) 0x90;

    public static final byte opc_i2b           = (byte) 0x91;

    public static final byte opc_i2c           = (byte) 0x92;

    public static final byte opc_i2s           = (byte) 0x93;

    // Control flow

    public static final byte opc_ifeq          = (byte) 0x99;

    public static final byte opc_if_icmpeq     = (byte) 0x9f;

    public static final byte opc_goto          = (byte) 0xa7;

    // Return instructions

    public static final byte opc_ireturn       = (byte) 0xac;

    public static final byte opc_lreturn       = (byte) 0xad;

    public static final byte opc_freturn       = (byte) 0xae;

    public static final byte opc_dreturn       = (byte) 0xaf;

    public static final byte opc_areturn       = (byte) 0xb0;

    public static final byte opc_return        = (byte) 0xb1;

    // Field operations

    public static final byte opc_getstatic     = (byte) 0xb2;

    public static final byte opc_putstatic     = (byte) 0xb3;

    public static final byte opc_getfield      = (byte) 0xb4;

    public static final byte opc_putfield      = (byte) 0xb5;

    // Method invocations

    public static final byte opc_invokevirtual   = (byte) 0xb6;

    public static final byte opc_invokespecial   = (byte) 0xb7;

    public static final byte opc_invokestatic    = (byte) 0xb8;

    public static final byte opc_invokeinterface = (byte) 0xb9;

    // Array length

    public static final byte opc_arraylength     = (byte) 0xbe;

    // New

    public static final byte opc_new           = (byte) 0xbb;

    // Athrow

    public static final byte opc_athrow        = (byte) 0xbf;

    // Checkcast and instanceof

    public static final byte opc_checkcast     = (byte) 0xc0;

    public static final byte opc_instanceof    = (byte) 0xc1;

    // Ifnull and ifnonnull

    public static final byte opc_ifnull        = (byte) 0xc6;

    public static final byte opc_ifnonnull     = (byte) 0xc7;

    // Constant pool tags

    public static final byte CONSTANT_Class              = (byte) 7;

    public static final byte CONSTANT_Fieldref           = (byte) 9;

    public static final byte CONSTANT_Methodref          = (byte) 10;

    public static final byte CONSTANT_InterfaceMethodref = (byte) 11;

    public static final byte CONSTANT_NameAndType        = (byte) 12;

    public static final byte CONSTANT_String             = (byte) 8;

    public static final byte CONSTANT_Utf8               = (byte) 1;

    // Access flags

    public static final short ACC_PUBLIC = (short) 0x0001;

}