Package org.jruby.ir.operands

Class NullBlock

java.lang.Object

org.jruby.ir.operands.Operand

org.jruby.ir.operands.ImmutableLiteral

org.jruby.ir.operands.NullBlock

public class NullBlock
extends ImmutableLiteral

Represents Block.NULL block, the block that cannot be yielded.

Field Summary

Fields

Modifier and Type	Field	Description
static final NullBlock	INSTANCE

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

EMPTY_ARRAY

Method Summary

Modifier and Type	Method	Description
Object	createCacheObject(ThreadContext context)	Implementing class is responsible for constructing the cached value.
static NullBlock	decode(IRReaderDecoder d)
OperandType	getOperandType()
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, isFalseyImmediate, isTruthyImmediate

Methods inherited from class java.lang.Object

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

Field Details

INSTANCE

public static final NullBlock INSTANCE

Method Details

getOperandType

public OperandType getOperandType()

Specified by:

getOperandType in class Operand

toString

public String toString()

Overrides:

toString in class Object

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

decode

public static NullBlock decode(IRReaderDecoder d)

visit

public void visit(IRVisitor visitor)

Overrides:

visit in class Operand