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ArrayInstruction.javaAPI DocJava SE 6 API4837Tue Jun 10 00:22:18 BST 2008com.sun.org.apache.bcel.internal.generic

ArrayInstruction

public abstract class ArrayInstruction extends Instruction implements ExceptionThrower, TypedInstruction
Super class for instructions dealing with array access such as IALOAD.
version
$Id: ArrayInstruction.java,v 1.1.2.1 2005/07/31 23:45:01 jeffsuttor Exp $
author
M. Dahm

Fields Summary
Constructors Summary
ArrayInstruction()
Empty constructor needed for the Class.newInstance() statement in Instruction.readInstruction(). Not to be used otherwise.

protected ArrayInstruction(short opcode)
param
opcode of instruction
    super(opcode, (short)1);
  
Methods Summary
public java.lang.Class[]getExceptions()
    return com.sun.org.apache.bcel.internal.ExceptionConstants.EXCS_ARRAY_EXCEPTION;
  
public com.sun.org.apache.bcel.internal.generic.TypegetType(com.sun.org.apache.bcel.internal.generic.ConstantPoolGen cp)
return
type associated with the instruction
    switch(opcode) {
    case com.sun.org.apache.bcel.internal.Constants.IALOAD: case com.sun.org.apache.bcel.internal.Constants.IASTORE: 
      return Type.INT;
    case com.sun.org.apache.bcel.internal.Constants.CALOAD: case com.sun.org.apache.bcel.internal.Constants.CASTORE: 
      return Type.CHAR;
    case com.sun.org.apache.bcel.internal.Constants.BALOAD: case com.sun.org.apache.bcel.internal.Constants.BASTORE:
      return Type.BYTE;
    case com.sun.org.apache.bcel.internal.Constants.SALOAD: case com.sun.org.apache.bcel.internal.Constants.SASTORE:
      return Type.SHORT;
    case com.sun.org.apache.bcel.internal.Constants.LALOAD: case com.sun.org.apache.bcel.internal.Constants.LASTORE: 
      return Type.LONG;
    case com.sun.org.apache.bcel.internal.Constants.DALOAD: case com.sun.org.apache.bcel.internal.Constants.DASTORE: 
      return Type.DOUBLE;
    case com.sun.org.apache.bcel.internal.Constants.FALOAD: case com.sun.org.apache.bcel.internal.Constants.FASTORE: 
      return Type.FLOAT;
    case com.sun.org.apache.bcel.internal.Constants.AALOAD: case com.sun.org.apache.bcel.internal.Constants.AASTORE:
      return Type.OBJECT;

    default: throw new ClassGenException("Oops: unknown case in switch" + opcode);
    }