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package com.sun.org.apache.bcel.internal.generic;

import com.sun.org.apache.bcel.internal.ExceptionConst;

Super class for instructions dealing with array access such as IALOAD.
Version:$Id: ArrayInstruction.java 1747278 2016-06-07 17:28:43Z britter $
/** * Super class for instructions dealing with array access such as IALOAD. * * @version $Id: ArrayInstruction.java 1747278 2016-06-07 17:28:43Z britter $ */
public abstract class ArrayInstruction extends Instruction implements ExceptionThrower, TypedInstruction {
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.
/** * Empty constructor needed for the Class.newInstance() statement in * Instruction.readInstruction(). Not to be used otherwise. */
ArrayInstruction() { }
Params:
  • opcode – of instruction
/** * @param opcode of instruction */
protected ArrayInstruction(final short opcode) { super(opcode, (short) 1); } @Override public Class<?>[] getExceptions() { return ExceptionConst.createExceptions(ExceptionConst.EXCS.EXCS_ARRAY_EXCEPTION); }
Returns:type associated with the instruction
/** @return type associated with the instruction */
@Override public Type getType( final ConstantPoolGen cp ) { final short _opcode = super.getOpcode(); switch (_opcode) { case com.sun.org.apache.bcel.internal.Const.IALOAD: case com.sun.org.apache.bcel.internal.Const.IASTORE: return Type.INT; case com.sun.org.apache.bcel.internal.Const.CALOAD: case com.sun.org.apache.bcel.internal.Const.CASTORE: return Type.CHAR; case com.sun.org.apache.bcel.internal.Const.BALOAD: case com.sun.org.apache.bcel.internal.Const.BASTORE: return Type.BYTE; case com.sun.org.apache.bcel.internal.Const.SALOAD: case com.sun.org.apache.bcel.internal.Const.SASTORE: return Type.SHORT; case com.sun.org.apache.bcel.internal.Const.LALOAD: case com.sun.org.apache.bcel.internal.Const.LASTORE: return Type.LONG; case com.sun.org.apache.bcel.internal.Const.DALOAD: case com.sun.org.apache.bcel.internal.Const.DASTORE: return Type.DOUBLE; case com.sun.org.apache.bcel.internal.Const.FALOAD: case com.sun.org.apache.bcel.internal.Const.FASTORE: return Type.FLOAT; case com.sun.org.apache.bcel.internal.Const.AALOAD: case com.sun.org.apache.bcel.internal.Const.AASTORE: return Type.OBJECT; default: throw new ClassGenException("Oops: unknown case in switch" + _opcode); } } }