Class UCExpr

java.lang.Object

EDU.purdue.cs.bloat.tree.Node

EDU.purdue.cs.bloat.tree.Expr

EDU.purdue.cs.bloat.tree.CheckExpr

EDU.purdue.cs.bloat.tree.UCExpr

All Implemented Interfaces:

Cloneable

public class UCExpr
extends CheckExpr

UPExpr represents an update check opcode which checks the persistent store to determine if a variable needs to be updated.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	POINTER
static final int	SCALAR

Fields inherited from class Expr

type

Fields inherited from class Node

parent

Constructor Summary

Constructors

Constructor	Description
UCExpr(Expr expr, int kind, Type type)	Constructor.

Method Summary

Modifier and Type	Method	Description
Object	clone()
boolean	equalsExpr(Expr other)	Compares this expression to another.
int	kind()
void	visit(TreeVisitor visitor)

Methods inherited from class CheckExpr

expr, exprHashCode, visitForceChildren

Methods inherited from class Expr

cleanupOnly, comparator, copyInto, def, isDef, setDef, setType, stmt, type

Methods inherited from class Node

block, cleanup, copyInto, hasParent, key, parent, replaceWith, replaceWith, setKey, setParent, setValueNumber, toString, valueNumber, visitChildren, visitOnly

Methods inherited from class Object

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

Field Details

POINTER

public static final int POINTER

See Also:

• Constant Field Values

SCALAR

public static final int SCALAR

See Also:

• Constant Field Values

Constructor Details

UCExpr

public UCExpr(Expr expr,
 int kind,
 Type type)

Constructor.

Parameters:

expr - The expression to check to see if it needs to be updated.

kind - The kind of expression (POINTER or SCALAR) to be checked.

type - The type of this expression.

Method Details

kind

public int kind()

visit

public void visit(TreeVisitor visitor)

Specified by:

visit in class Node

equalsExpr

public boolean equalsExpr(Expr other)

Description copied from class: Expr

Compares this expression to another.

Overrides:

equalsExpr in class CheckExpr

Parameters:

other - Expr to which to compare this.

clone

public Object clone()

Specified by:

clone in class Expr