org.checkerframework.dataflow.cfg.node

Class CaseNode

java.lang.Object

org.checkerframework.dataflow.cfg.node.Node

org.checkerframework.dataflow.cfg.node.CaseNode

public class CaseNode
extends Node

A node for a case in a switch statement. Although a case has no abstract value, it can imply facts about the abstract values of its operands.

   case constant:
 

Field Summary

Fields

Modifier and Type	Field and Description
protected Node	caseExpr The case expression to match the switch expression against.
protected Node	switchExpr The switch expression.
protected CaseTree	tree The tree for this node.

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

assignmentContext, block, inSource, lvalue, type

Constructor Summary

Constructors

Constructor and Description
CaseNode(CaseTree tree, Node switchExpr, Node caseExpr, Types types) Create a new CaseNode.

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(@Nullable Object obj)
Node	getCaseOperand()
Collection<Node>	getOperands() Returns a collection containing all of the operand Nodes of this Node.
Node	getSwitchOperand()
CaseTree	getTree() Returns the Tree in the abstract syntax tree, or null if no corresponding tree exists.
int	hashCode()
String	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

Field Detail

tree

protected final CaseTree tree

The tree for this node.

switchExpr

protected final Node switchExpr

The switch expression.

caseExpr

protected final Node caseExpr

The case expression to match the switch expression against.

Constructor Detail

CaseNode

public CaseNode(CaseTree tree,
                Node switchExpr,
                Node caseExpr,
                Types types)

Create a new CaseNode.

Parameters:

tree - the tree for this node

switchExpr - the switch expression

caseExpr - the case expression to match the switch expression against

types - a factory of utility methods for operating on types

Method Detail

getSwitchOperand

public Node getSwitchOperand()

getCaseOperand

public Node getCaseOperand()

getTree

public CaseTree 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 ImplicitThisLiteralNode.

Specified by:

getTree in class Node

Returns:

the corresponding Tree or null.

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

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

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