org.jruby.ir.operands

Class Nil

java.lang.Object

org.jruby.ir.operands.Operand

org.jruby.ir.operands.ImmutableLiteral

org.jruby.ir.operands.Nil

Direct Known Subclasses:

UnexecutableNil

public class Nil
extends ImmutableLiteral

Represents nil. Note: We used to protect the constructor, but since manager is the new way I got lazy and removed protected.

Field Summary

Fields inherited from class org.jruby.ir.operands.Operand

EMPTY_ARRAY

Constructor Summary

Constructors

Constructor and Description
Nil()

Method Summary

Methods

Modifier and Type	Method and Description
Object	createCacheObject(ThreadContext context) Implementing class is responsible for constructing the cached value.
String	toString()
void	visit(IRVisitor visitor)

Methods inherited from class org.jruby.ir.operands.ImmutableLiteral

addUsedVariables, cachedObject, canCopyPropagate, cloneForInlining, hasKnownValue, isCached, retrieve

Methods inherited from class org.jruby.ir.operands.Operand

fetchCompileTimeArrayElement, getSimplifiedOperand, getValue

Methods inherited from class java.lang.Object

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

Constructor Detail

Nil

public Nil()

Method Detail

createCacheObject

public Object createCacheObject(ThreadContext context)

Description copied from class: ImmutableLiteral

Implementing class is responsible for constructing the cached value.

Specified by:

createCacheObject in class ImmutableLiteral

toString

public String toString()

Overrides:

toString in class Object

visit

public void visit(IRVisitor visitor)

Overrides:

visit in class Operand