GETFIELD (Apache Commons BCEL 6.5.0 API)

java.lang.Object
- org.apache.bcel.generic.Instruction
- - org.apache.bcel.generic.CPInstruction
  - - org.apache.bcel.generic.FieldOrMethod
    - - org.apache.bcel.generic.FieldInstruction
      - org.apache.bcel.generic.GETFIELD

All Implemented Interfaces:: java.lang.Cloneable, ExceptionThrower, IndexedInstruction, LoadClass, StackConsumer, StackProducer, TypedInstruction

public class GETFIELD
extends FieldInstruction
implements ExceptionThrower, StackConsumer, StackProducer

GETFIELD - Fetch field from object

Stack: ..., objectref -> ..., value

OR

Stack: ..., objectref -> ..., value.word1, value.word2

Field Summary
- Fields inherited from class org.apache.bcel.generic.CPInstruction
  index
- Fields inherited from class org.apache.bcel.generic.Instruction
  length, opcode

Constructor Summary

Constructors
Constructor Description

GETFIELD(int index)

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`accept(Visitor v)`	Call corresponding visitor method(s).
`java.lang.Class<?>[]`	`getExceptions()`
`int`	`produceStack(ConstantPoolGen cpg)`	This method also gives right results for instructions whose effect on the stack depends on the constant pool entry they reference.

Methods inherited from class org.apache.bcel.generic.FieldInstruction
getFieldName, getFieldSize, getFieldType, getType, toString

Methods inherited from class org.apache.bcel.generic.FieldOrMethod
getClassName, getClassType, getLoadClassType, getName, getReferenceType, getSignature

Methods inherited from class org.apache.bcel.generic.CPInstruction
dump, getIndex, initFromFile, setIndex, toString

Methods inherited from class org.apache.bcel.generic.Instruction
consumeStack, copy, equals, getComparator, getLength, getName, getOpcode, hashCode, isValidByte, isValidShort, readInstruction, setComparator, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.bcel.generic.StackConsumer
consumeStack

- Constructor Detail
  - GETFIELD
```
public GETFIELD(int index)
```
- Method Detail
  - produceStack
```
public int produceStack(ConstantPoolGen cpg)
```
    Description copied from class: Instruction
    
    This method also gives right results for instructions whose effect on the stack depends on the constant pool entry they reference.
    
    Specified by:
    
    produceStack in interface StackProducer
    
    Overrides:
    
    produceStack in class Instruction
    
    Returns:
    
    Number of words produced onto stack by this instruction, or Constants.UNPREDICTABLE, if this can not be computed statically
  - getExceptions
```
public java.lang.Class<?>[] getExceptions()
```
    Specified by:
    
    getExceptions in interface ExceptionThrower
  - accept
```
public void accept(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.
    
    Specified by:
    
    accept in class Instruction
    
    Parameters:
    
    v - Visitor object