EDU.purdue.cs.bloat.tree
Class ShiftExpr

java.lang.Object
  |
  +--EDU.purdue.cs.bloat.tree.Node
        |
        +--EDU.purdue.cs.bloat.tree.Expr
              |
              +--EDU.purdue.cs.bloat.tree.ShiftExpr

public class ShiftExpr

extends Expr

ShiftExpr represents a bit shift operation.

Field Summary

static int	LEFT
static int	RIGHT
static int	UNSIGNED_RIGHT

Fields inherited from class EDU.purdue.cs.bloat.tree.Expr

type

Fields inherited from class EDU.purdue.cs.bloat.tree.Node

parent

Constructor Summary

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

Method Summary

Expr	bits()
java.lang.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 EDU.purdue.cs.bloat.tree.Expr

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

Methods inherited from class EDU.purdue.cs.bloat.tree.Node

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

Methods inherited from class java.lang.Object

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

Field Detail

LEFT

public static final int LEFT

RIGHT

public static final int RIGHT

UNSIGNED_RIGHT

public static final int UNSIGNED_RIGHT

Constructor Detail

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 Detail

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.

Overrides:

visitForceChildren in class Node

visit

public void visit(TreeVisitor visitor)

Overrides:

visit in class Node

exprHashCode

public int exprHashCode()

Description copied from class: Expr

Returns the hash code for this expresion.

Overrides:

exprHashCode in class Expr

equalsExpr

public boolean equalsExpr(Expr other)

Description copied from class: Expr

Compares this expression to another.

Overrides:

equalsExpr in class Expr

Tags copied from class: Expr

Parameters:

other - Expr to which to compare this.

clone

public java.lang.Object clone()

Overrides:

clone in class Expr