Class ShiftExpr

java.lang.Object

EDU.purdue.cs.bloat.tree.Node

EDU.purdue.cs.bloat.tree.Expr

EDU.purdue.cs.bloat.tree.ShiftExpr

All Implemented Interfaces:

Cloneable

public class ShiftExpr
extends Expr

ShiftExpr represents a bit shift operation.

Field Summary

Fields

Modifier and Type	Field	Description
static final int	LEFT
static final int	RIGHT
static final int	UNSIGNED_RIGHT

Fields inherited from class Expr

type

Fields inherited from class Node

parent

Constructor Summary

Constructors

Constructor	Description
ShiftExpr(int dir, Expr expr, Expr bits, Type type)	Constructor.

Method Summary

Modifier and Type	Method	Description
Expr	bits()
Object	clone()
int	dir()
boolean	equalsExpr(Expr other)	Compares this expression to another.
Expr	expr()
int	exprHashCode()	Returns the hash code for this expresion.
void	visit(TreeVisitor visitor)
void	visitForceChildren(TreeVisitor visitor)	Visit the children of this node.

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

LEFT

public static final int LEFT

See Also:

• Constant Field Values

RIGHT

public static final int RIGHT

See Also:

• Constant Field Values

UNSIGNED_RIGHT

public static final int UNSIGNED_RIGHT

See Also:

• Constant Field Values

Constructor Details

ShiftExpr

public ShiftExpr(int dir,
 Expr expr,
 Expr bits,
 Type type)

Constructor.

Parameters:

dir - The direction (LEFT, RIGHT, or UNSIGNED_RIGHT) in which to shift.

expr - The expression to shift.

bits - The number of bits to shift.

type - The type of this expression.

Method Details

dir

public int dir()

expr

public Expr expr()

bits

public Expr bits()

visitForceChildren

public void visitForceChildren(TreeVisitor visitor)

Description copied from class: Node

Visit the children of this node. Not all Nodes will have children to visit.

Specified by:

visitForceChildren in class Node

visit

public void visit(TreeVisitor visitor)

Specified by:

visit in class Node

exprHashCode

public int exprHashCode()

Description copied from class: Expr

Returns the hash code for this expresion.

Specified by:

exprHashCode in class Expr

equalsExpr

public boolean equalsExpr(Expr other)

Description copied from class: Expr

Compares this expression to another.

Specified by:

equalsExpr in class Expr

Parameters:

other - Expr to which to compare this.

clone

public Object clone()

Specified by:

clone in class Expr