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/***
* ASM: a very small and fast Java bytecode manipulation framework
* Copyright (c) 2000,2002,2003 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 oracle.toplink.libraries.asm.tree;
import oracle.toplink.libraries.asm.CodeVisitor;
/**
* A node that represents a zero operand instruction.
*
* @author Eric Bruneton
*/
public class InsnNode extends AbstractInsnNode {
/**
* Constructs a new {@link InsnNode InsnNode} object.
*
* @param opcode the opcode of the instruction to be constructed. This opcode
* must be NOP, ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2,
* ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1,
* FCONST_2, DCONST_0, DCONST_1,
*
* IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD,
* IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE,
* SASTORE,
*
* POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP,
*
* IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL,
* DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG,
* FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR,
* LOR, IXOR, LXOR,
*
* I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C,
* I2S,
*
* LCMP, FCMPL, FCMPG, DCMPL, DCMPG,
*
* IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN,
*
* ARRAYLENGTH,
*
* ATHROW,
*
* MONITORENTER, or MONITOREXIT.
*/
public InsnNode (final int opcode) {
super(opcode);
}
/**
* Sets the opcode of this instruction.
*
* @param opcode the new instruction opcode. This opcode must be NOP,
* ACONST_NULL, ICONST_M1, ICONST_0, ICONST_1, ICONST_2,
* ICONST_3, ICONST_4, ICONST_5, LCONST_0, LCONST_1, FCONST_0, FCONST_1,
* FCONST_2, DCONST_0, DCONST_1,
*
* IALOAD, LALOAD, FALOAD, DALOAD, AALOAD, BALOAD, CALOAD, SALOAD,
* IASTORE, LASTORE, FASTORE, DASTORE, AASTORE, BASTORE, CASTORE,
* SASTORE,
*
* POP, POP2, DUP, DUP_X1, DUP_X2, DUP2, DUP2_X1, DUP2_X2, SWAP,
*
* IADD, LADD, FADD, DADD, ISUB, LSUB, FSUB, DSUB, IMUL, LMUL, FMUL,
* DMUL, IDIV, LDIV, FDIV, DDIV, IREM, LREM, FREM, DREM, INEG, LNEG,
* FNEG, DNEG, ISHL, LSHL, ISHR, LSHR, IUSHR, LUSHR, IAND, LAND, IOR,
* LOR, IXOR, LXOR,
*
* I2L, I2F, I2D, L2I, L2F, L2D, F2I, F2L, F2D, D2I, D2L, D2F, I2B, I2C,
* I2S,
*
* LCMP, FCMPL, FCMPG, DCMPL, DCMPG,
*
* IRETURN, LRETURN, FRETURN, DRETURN, ARETURN, RETURN,
*
* ARRAYLENGTH,
*
* ATHROW,
*
* MONITORENTER, or MONITOREXIT.
*/
public void setOpcode (final int opcode) {
this.opcode = opcode;
}
/**
* Makes the given code visitor visit this instruction.
*
* @param cv a code visitor.
*/
public void accept (final CodeVisitor cv) {
cv.visitInsn(opcode);
}
}
