org.checkerframework.dataflow.cfg.node

Class NullLiteralNode

java.lang.Object

org.checkerframework.dataflow.cfg.node.Node

org.checkerframework.dataflow.cfg.node.ValueLiteralNode

org.checkerframework.dataflow.cfg.node.NullLiteralNode

public class NullLiteralNode
extends ValueLiteralNode

A node for the null literal.

   null
 

Author:

Stefan Heule, Charlie Garrett

Field Summary

Fields inherited from class org.checkerframework.dataflow.cfg.node.ValueLiteralNode

tree

Fields inherited from class org.checkerframework.dataflow.cfg.node.Node

assignmentContext, block, inSource, lvalue, type

Constructor Summary

Constructors

Constructor and Description
NullLiteralNode(LiteralTree t)

Method Summary

Modifier and Type	Method and Description
<R,P> R	accept(NodeVisitor<R,P> visitor, P p) Accept method of the visitor pattern
boolean	equals(Object obj) Compare the value of this nodes.
Collection<Node>	getOperands()
Void	getValue()

Methods inherited from class org.checkerframework.dataflow.cfg.node.ValueLiteralNode

getTree, hashCode, toString

Methods inherited from class org.checkerframework.dataflow.cfg.node.Node

getAssignmentContext, getBlock, getInSource, getTransitiveOperands, getType, isLValue, setAssignmentContext, setBlock, setInSource, setLValue

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Constructor Detail

NullLiteralNode

public NullLiteralNode(LiteralTree t)

Method Detail

getValue

public Void getValue()

Specified by:

getValue in class ValueLiteralNode

Returns:

the value of the literal

accept

public <R,P> R accept(NodeVisitor<R,P> visitor,
                      P p)

Description copied from class: Node

Accept method of the visitor pattern

Specified by:

accept in class Node

Type Parameters:

R - result type of the operation

P - parameter type

Parameters:

visitor - the visitor to be applied to this node

p - the parameter for this operation

equals

public boolean equals(Object obj)

Description copied from class: ValueLiteralNode

Compare the value of this nodes.

Overrides:

equals in class ValueLiteralNode

getOperands

public Collection<Node> getOperands()

Overrides:

getOperands in class ValueLiteralNode

Returns:

a collection containing all of the operand Nodes of this Node.