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

Modifier and Type	Method and Description
java.lang.Object	createCacheObject(ThreadContext context) Implementing class is responsible for constructing the cached value.
OperandType	getOperandType()
boolean	isFalseyImmediate()
java.lang.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

encode, getSimplifiedOperand, getValue, isTruthyImmediate

Methods inherited from class java.lang.Object

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

Constructor Detail

Nil

public Nil()

Method Detail

getOperandType

public OperandType getOperandType()

Specified by:

getOperandType in class Operand

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object

createCacheObject

public java.lang.Object createCacheObject(ThreadContext context)

Description copied from class: ImmutableLiteral

Implementing class is responsible for constructing the cached value.

Specified by:

createCacheObject in class ImmutableLiteral

visit

public void visit(IRVisitor visitor)

Overrides:

visit in class Operand

isFalseyImmediate

public boolean isFalseyImmediate()

Overrides:

isFalseyImmediate in class Operand