harpoon.IR.Bytecode
Class OpConstant

java.lang.Object
  harpoon.IR.Bytecode.Operand
      harpoon.IR.Bytecode.OpConstant

public final class OpConstant
extends Operand

OpConstant represents a constant operand of a java bytecode instruction. This would typically be taken from the constant_pool.

OpConstant represents constant pool entries of type CONSTANT_Double, CONSTANT_Float, CONSTANT_Integer, CONSTANT_Long, and CONSTANT_String.

Version:

$Id: OpConstant.java,v 1.7 2005/10/05 16:21:32 salcianu Exp $

Author:

C. Scott Ananian <cananian@alumni.princeton.edu>

See Also:

Operand, Instr, ConstantDouble, ConstantFloat, ConstantInteger, ConstantLong, ConstantString, ConstantClass

Field Summary

Fields inherited from class harpoon.IR.Bytecode.Operand

arrayFactory

Constructor Summary

OpConstant(Code parent, int constant_pool_index)
Make a new OpConstant from a constant_pool entry.

OpConstant(Object value, HClass type)
Make a new OpConstant with the specified value and type.

Method Summary

HClass	getType() Return the HClass type of this Operand.
Object	getValue() Return the value of this Operand.
String	toString() Return a human-readable representation of this OpConstant.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Constructor Detail

OpConstant

public OpConstant(Object value,
                  HClass type)

Make a new OpConstant with the specified value and type.

OpConstant

public OpConstant(Code parent,
                  int constant_pool_index)

Make a new OpConstant from a constant_pool entry.

Method Detail

getValue

public Object getValue()

Return the value of this Operand.

getType

public HClass getType()

Return the HClass type of this Operand.

toString

public String toString()

Return a human-readable representation of this OpConstant.

Specified by:

toString in class Operand