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jeremybenn |
/***
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* ASM: a very small and fast Java bytecode manipulation framework
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* Copyright (c) 2000-2005 INRIA, France Telecom
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package org.objectweb.asm.tree;
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import org.objectweb.asm.MethodVisitor;
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/**
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* A node that represents a zero operand instruction.
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*
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* @author Eric Bruneton
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*/
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public class InsnNode extends AbstractInsnNode {
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private final static InsnNode[] INSNS;
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static {
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INSNS = new InsnNode[255];
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for (int i = 0; i < INSNS.length; ++i) {
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INSNS[i] = new InsnNode(i);
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}
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}
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/**
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* Returns the {@link InsnNode} corresponding to the given opcode.
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*
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* @deprecated uses the constructor instead.
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*
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* @param opcode an instruction opcode.
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* @return the {@link InsnNode} corresponding to the given opcode.
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*/
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public final static InsnNode getByOpcode(final int opcode) {
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return INSNS[opcode];
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}
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/**
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* Constructs a new {@link InsnNode}.
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*
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* @param opcode the opcode of the instruction to be constructed. This
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* opcode must be NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1,
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* ICONST_2, ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1,
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* FCONST_0, FCONST_1, FCONST_2, DCONST_0, DCONST_1, IALOAD, LALOAD,
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* FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD, IASTORE, LASTORE,
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* FASTORE, DASTORE, AASTORE, BASTORE, CASTORE, SASTORE, POP, POP2,
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* DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP, IADD, LADD,
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* FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL, DMUL, IDIV,
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* LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG, FNEG, DNEG,
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* ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR, LOR, IXOR,
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* LXOR, I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F,
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* I2B, I2C, I2S, LCMP, FCMPL, FCMPG, DCMPL, DCMPG, IRETURN, LRETURN,
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* FRETURN, DRETURN, ARETURN, RETURN, ARRAYLENGTH, ATHROW,
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* MONITORENTER, or MONITOREXIT.
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*/
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public InsnNode(final int opcode) {
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super(opcode);
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}
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/**
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* Makes the given visitor visit this instruction.
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*
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* @param mv a method visitor.
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*/
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public void accept(final MethodVisitor mv) {
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mv.visitInsn(opcode);
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}
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public int getType() {
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return INSN;
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}
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}
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