FileDocCategorySizeDatePackage
GETFIELD.javaAPI DocJava SE 5 API4746Fri Aug 26 14:55:20 BST 2005com.sun.org.apache.bcel.internal.generic

GETFIELD

public class GETFIELD extends FieldInstruction implements ExceptionThrower, StackProducer, StackConsumer
GETFIELD - Fetch field from object 
Stack: ..., objectref -> ..., value
OR 
Stack: ..., objectref -> ..., value.word1, value.word2
version
$Id: GETFIELD.java,v 1.1.1.1 2001/10/29 20:00:13 jvanzyl Exp $
author
M. Dahm

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

public GETFIELD(int index)
    super(Constants.GETFIELD, index);
  
Methods Summary
public voidaccept(com.sun.org.apache.bcel.internal.generic.Visitor v)
Call corresponding visitor method(s). The order is:
Call visitor methods of implemented interfaces first, then
call methods according to the class hierarchy in descending order,
i.e., the most specific visitXXX() call comes last.
param
v Visitor object
    v.visitExceptionThrower(this);
    v.visitStackConsumer(this);
    v.visitStackProducer(this);
    v.visitTypedInstruction(this);
    v.visitLoadClass(this);
    v.visitCPInstruction(this);
    v.visitFieldOrMethod(this);
    v.visitFieldInstruction(this);
    v.visitGETFIELD(this);
  
public java.lang.Class[]getExceptions()
    Class[] cs = new Class[2 + ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length];

    System.arraycopy(ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION, 0,
		     cs, 0, ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length);

    cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length+1] =
      ExceptionConstants.INCOMPATIBLE_CLASS_CHANGE_ERROR;
    cs[ExceptionConstants.EXCS_FIELD_AND_METHOD_RESOLUTION.length] =
      ExceptionConstants.NULL_POINTER_EXCEPTION;

    return cs;
  
public intproduceStack(com.sun.org.apache.bcel.internal.generic.ConstantPoolGen cpg)
 return getFieldSize(cpg);