Package org.checkerframework.dataflow.cfg.node

Class ValueLiteralNode

java.lang.Object

org.checkerframework.dataflow.cfg.node.Node

org.checkerframework.dataflow.cfg.node.ValueLiteralNode

All Implemented Interfaces:

org.plumelib.util.UniqueId

Direct Known Subclasses:

BooleanLiteralNode, CharacterLiteralNode, DoubleLiteralNode, FloatLiteralNode, IntegerLiteralNode, LongLiteralNode, NullLiteralNode, ShortLiteralNode, StringLiteralNode

public abstract class ValueLiteralNode
extends Node

A node for a literals that have some form of value:

• integer literal
• long literal
• char literal
• string literal
• float literal
• double literal
• boolean literal
• null literal

Field Summary

Fields

Modifier and Type	Field	Description
protected final LiteralTree	tree	The tree for the value literal.

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

block, inSource, lvalue, type

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ValueLiteralNode(LiteralTree tree)

Method Summary

Modifier and Type	Method	Description
boolean	equals(@Nullable Object obj)
Collection<Node>	getOperands()	Returns a collection containing all of the operand Nodes of this Node.
LiteralTree	getTree()	Returns the Tree in the abstract syntax tree, or null if no corresponding tree exists.
abstract @Nullable Object	getValue()	Returns the value of the literal, null for the null literal.
int	hashCode()
String	toString()

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

accept, getBlock, getInSource, getTransitiveOperands, getType, getUid, isLValue, nodeCollectionToString, setBlock, setInSource, setLValue, toStringDebug

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.plumelib.util.UniqueId

getClassAndUid

Field Details

tree

protected final LiteralTree tree

The tree for the value literal.

Constructor Details

ValueLiteralNode

protected ValueLiteralNode(LiteralTree tree)

Method Details

getValue

public abstract @Nullable Object getValue()

Returns the value of the literal, null for the null literal.

Returns:

the value of the literal, null for the null literal

getTree

public LiteralTree getTree()

Description copied from class: Node

Returns the Tree in the abstract syntax tree, or null if no corresponding tree exists. For instance, this is the case for an ImplicitThisNode.

Specified by:

getTree in class Node

Returns:

the corresponding Tree or null

toString

public String toString()

Overrides:

toString in class Object

equals

public boolean equals(@Nullable Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getOperands

@SideEffectFree
public Collection<Node> getOperands()

Description copied from class: Node

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

Specified by:

getOperands in class Node

Returns:

a collection containing all of the operand Nodes of this Node