org.checkerframework.dataflow.cfg.node

Class AssignmentNode

java.lang.Object

org.checkerframework.dataflow.cfg.node.Node

org.checkerframework.dataflow.cfg.node.AssignmentNode

public class AssignmentNode
extends Node

A node for an assignment:

   variable = expression
   expression . field = expression
   expression [ index ] = expression
 

We allow assignments without corresponding AST Trees.

Author:

Stefan Heule

Field Summary

Fields

Modifier and Type	Field and Description
protected Node	lhs
protected Node	rhs
protected Tree	tree

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

assignmentContext, block, inSource, lvalue, type

Constructor Summary

Constructors

Constructor and Description
AssignmentNode(Tree tree, Node target, Node expression)

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)
Node	getExpression()
Collection<Node>	getOperands()
Node	getTarget()
Tree	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 Tree tree

lhs

protected Node lhs

rhs

protected Node rhs

Constructor Detail

AssignmentNode

public AssignmentNode(Tree tree,
                      Node target,
                      Node expression)

Method Detail

getTarget

public Node getTarget()

getExpression

public Node getExpression()

getTree

public Tree 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(Object obj)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getOperands

public Collection<Node> getOperands()

Specified by:

getOperands in class Node

Returns:

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