Class StackExpr

java.lang.Object

EDU.purdue.cs.bloat.tree.Node

EDU.purdue.cs.bloat.tree.Expr

EDU.purdue.cs.bloat.tree.DefExpr

EDU.purdue.cs.bloat.tree.MemExpr

EDU.purdue.cs.bloat.tree.VarExpr

EDU.purdue.cs.bloat.tree.StackExpr

All Implemented Interfaces:

Cloneable

public class StackExpr
extends VarExpr

StackExpr represents an expression that is stored on the stack.

Field Summary

Fields inherited from class Expr

type

Fields inherited from class Node

parent

Constructor Summary

Constructors

Constructor	Description
StackExpr(int index, Type type)	Constructor.

Method Summary

Modifier and Type	Method	Description
Object	clone()
boolean	equalsExpr(Expr other)	Compares this expression to another.
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 VarExpr

def, index, setIndex

Methods inherited from class DefExpr

addUse, cleanupOnly, hasUse, isDef, removeUse, uses, version

Methods inherited from class Expr

comparator, copyInto, 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

Constructor Details

StackExpr

public StackExpr(int index,
 Type type)

Constructor.

Parameters:

index - Location (offset) in stack of the information to which the expression refers. Index 0 represents the bottom of the stack.

type - The type of this expression.

Method Details

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