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Rhino is an open-source implementation of JavaScript written entirely in Java. It is typically embedded into Java applications to provide scripting to end users.
/* -*- Mode: java; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 4 -*-
*
* ***** BEGIN LICENSE BLOCK *****
* Version: MPL 1.1/GPL 2.0
*
* The contents of this file are subject to the Mozilla Public License Version
* 1.1 (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
* http://www.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the
* License.
*
* The Original Code is Rhino code, released
* May 6, 1999.
*
* The Initial Developer of the Original Code is
* Netscape Communications Corporation.
* Portions created by the Initial Developer are Copyright (C) 1997-1999
* the Initial Developer. All Rights Reserved.
*
* Contributor(s):
* Roger Lawrence
*
* Alternatively, the contents of this file may be used under the terms of
* the GNU General Public License Version 2 or later (the "GPL"), in which
* case the provisions of the GPL are applicable instead of those above. If
* you wish to allow use of your version of this file only under the terms of
* the GPL and not to allow others to use your version of this file under the
* MPL, indicate your decision by deleting the provisions above and replacing
* them with the notice and other provisions required by the GPL. If you do
* not delete the provisions above, a recipient may use your version of this
* file under either the MPL or the GPL.
*
* ***** END LICENSE BLOCK ***** */
package org.mozilla.classfile;
/**
* This class provides opcode values expected by the JVM in Java class files.
*
* It also provides tables for internal use by the ClassFileWriter.
*
* @author Roger Lawrence
*/
public class ByteCode {
/**
* The byte opcodes defined by the Java Virtual Machine.
*/
public static final int
NOP = 0x00,
ACONST_NULL = 0x01,
ICONST_M1 = 0x02,
ICONST_0 = 0x03,
ICONST_1 = 0x04,
ICONST_2 = 0x05,
ICONST_3 = 0x06,
ICONST_4 = 0x07,
ICONST_5 = 0x08,
LCONST_0 = 0x09,
LCONST_1 = 0x0A,
FCONST_0 = 0x0B,
FCONST_1 = 0x0C,
FCONST_2 = 0x0D,
DCONST_0 = 0x0E,
DCONST_1 = 0x0F,
BIPUSH = 0x10,
SIPUSH = 0x11,
LDC = 0x12,
LDC_W = 0x13,
LDC2_W = 0x14,
ILOAD = 0x15,
LLOAD = 0x16,
FLOAD = 0x17,
DLOAD = 0x18,
ALOAD = 0x19,
ILOAD_0 = 0x1A,
ILOAD_1 = 0x1B,
ILOAD_2 = 0x1C,
ILOAD_3 = 0x1D,
LLOAD_0 = 0x1E,
LLOAD_1 = 0x1F,
LLOAD_2 = 0x20,
LLOAD_3 = 0x21,
FLOAD_0 = 0x22,
FLOAD_1 = 0x23,
FLOAD_2 = 0x24,
FLOAD_3 = 0x25,
DLOAD_0 = 0x26,
DLOAD_1 = 0x27,
DLOAD_2 = 0x28,
DLOAD_3 = 0x29,
ALOAD_0 = 0x2A,
ALOAD_1 = 0x2B,
ALOAD_2 = 0x2C,
ALOAD_3 = 0x2D,
IALOAD = 0x2E,
LALOAD = 0x2F,
FALOAD = 0x30,
DALOAD = 0x31,
AALOAD = 0x32,
BALOAD = 0x33,
CALOAD = 0x34,
SALOAD = 0x35,
ISTORE = 0x36,
LSTORE = 0x37,
FSTORE = 0x38,
DSTORE = 0x39,
ASTORE = 0x3A,
ISTORE_0 = 0x3B,
ISTORE_1 = 0x3C,
ISTORE_2 = 0x3D,
ISTORE_3 = 0x3E,
LSTORE_0 = 0x3F,
LSTORE_1 = 0x40,
LSTORE_2 = 0x41,
LSTORE_3 = 0x42,
FSTORE_0 = 0x43,
FSTORE_1 = 0x44,
FSTORE_2 = 0x45,
FSTORE_3 = 0x46,
DSTORE_0 = 0x47,
DSTORE_1 = 0x48,
DSTORE_2 = 0x49,
DSTORE_3 = 0x4A,
ASTORE_0 = 0x4B,
ASTORE_1 = 0x4C,
ASTORE_2 = 0x4D,
ASTORE_3 = 0x4E,
IASTORE = 0x4F,
LASTORE = 0x50,
FASTORE = 0x51,
DASTORE = 0x52,
AASTORE = 0x53,
BASTORE = 0x54,
CASTORE = 0x55,
SASTORE = 0x56,
POP = 0x57,
POP2 = 0x58,
DUP = 0x59,
DUP_X1 = 0x5A,
DUP_X2 = 0x5B,
DUP2 = 0x5C,
DUP2_X1 = 0x5D,
DUP2_X2 = 0x5E,
SWAP = 0x5F,
IADD = 0x60,
LADD = 0x61,
FADD = 0x62,
DADD = 0x63,
ISUB = 0x64,
LSUB = 0x65,
FSUB = 0x66,
DSUB = 0x67,
IMUL = 0x68,
LMUL = 0x69,
FMUL = 0x6A,
DMUL = 0x6B,
IDIV = 0x6C,
LDIV = 0x6D,
FDIV = 0x6E,
DDIV = 0x6F,
IREM = 0x70,
LREM = 0x71,
FREM = 0x72,
DREM = 0x73,
INEG = 0x74,
LNEG = 0x75,
FNEG = 0x76,
DNEG = 0x77,
ISHL = 0x78,
LSHL = 0x79,
ISHR = 0x7A,
LSHR = 0x7B,
IUSHR = 0x7C,
LUSHR = 0x7D,
IAND = 0x7E,
LAND = 0x7F,
IOR = 0x80,
LOR = 0x81,
IXOR = 0x82,
LXOR = 0x83,
IINC = 0x84,
I2L = 0x85,
I2F = 0x86,
I2D = 0x87,
L2I = 0x88,
L2F = 0x89,
L2D = 0x8A,
F2I = 0x8B,
F2L = 0x8C,
F2D = 0x8D,
D2I = 0x8E,
D2L = 0x8F,
D2F = 0x90,
I2B = 0x91,
I2C = 0x92,
I2S = 0x93,
LCMP = 0x94,
FCMPL = 0x95,
FCMPG = 0x96,
DCMPL = 0x97,
DCMPG = 0x98,
IFEQ = 0x99,
IFNE = 0x9A,
IFLT = 0x9B,
IFGE = 0x9C,
IFGT = 0x9D,
IFLE = 0x9E,
IF_ICMPEQ = 0x9F,
IF_ICMPNE = 0xA0,
IF_ICMPLT = 0xA1,
IF_ICMPGE = 0xA2,
IF_ICMPGT = 0xA3,
IF_ICMPLE = 0xA4,
IF_ACMPEQ = 0xA5,
IF_ACMPNE = 0xA6,
GOTO = 0xA7,
JSR = 0xA8,
RET = 0xA9,
TABLESWITCH = 0xAA,
LOOKUPSWITCH = 0xAB,
IRETURN = 0xAC,
LRETURN = 0xAD,
FRETURN = 0xAE,
DRETURN = 0xAF,
ARETURN = 0xB0,
RETURN = 0xB1,
GETSTATIC = 0xB2,
PUTSTATIC = 0xB3,
GETFIELD = 0xB4,
PUTFIELD = 0xB5,
INVOKEVIRTUAL = 0xB6,
INVOKESPECIAL = 0xB7,
INVOKESTATIC = 0xB8,
INVOKEINTERFACE = 0xB9,
NEW = 0xBB,
NEWARRAY = 0xBC,
ANEWARRAY = 0xBD,
ARRAYLENGTH = 0xBE,
ATHROW = 0xBF,
CHECKCAST = 0xC0,
INSTANCEOF = 0xC1,
MONITORENTER = 0xC2,
MONITOREXIT = 0xC3,
WIDE = 0xC4,
MULTIANEWARRAY = 0xC5,
IFNULL = 0xC6,
IFNONNULL = 0xC7,
GOTO_W = 0xC8,
JSR_W = 0xC9,
BREAKPOINT = 0xCA,
IMPDEP1 = 0xFE,
IMPDEP2 = 0xFF;
/**
* Types for the NEWARRAY opcode.
*/
public static final byte
T_BOOLEAN = 4,
T_CHAR = 5,
T_FLOAT = 6,
T_DOUBLE = 7,
T_BYTE = 8,
T_SHORT = 9,
T_INT = 10,
T_LONG = 11;
}