Class ConstantExpr

java.lang.Object

EDU.purdue.cs.bloat.tree.Node

EDU.purdue.cs.bloat.tree.Expr

EDU.purdue.cs.bloat.tree.ConstantExpr

All Implemented Interfaces:

LeafExpr, Cloneable

public class ConstantExpr
extends Expr
implements LeafExpr

ConstantExpr represents a constant expression. It is used when opcodes ldc, iinc, and getstatic are visited. It value must be an Integer, Long, Float, Double, or String.

Field Summary

Fields inherited from class Expr

type

Fields inherited from class Node

parent

Constructor Summary

Constructors

Constructor	Description
ConstantExpr(Object value, Type type)	Constructor.

Method Summary

Modifier and Type	Method	Description
Object	clone()
boolean	equalsExpr(Expr other)	Compare this ConstantExpr to another Expr.
int	exprHashCode()	Returns the hash code for this expresion.
Object	value()
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

Constructor Details

ConstantExpr

public ConstantExpr(Object value,
 Type type)

Constructor.

Parameters:

value - The operand of the ldc instruction

type - The Type of the operand

Method Details

value

public Object value()

Returns:

The operand of the ldc instruction

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

Returns:

A hash code for this expression.

equalsExpr

public boolean equalsExpr(Expr other)

Compare this ConstantExpr to another Expr.

Specified by:

equalsExpr in class Expr

Parameters:

other - An Expr to compare this to.

Returns:

True, if this and other are the same (that is, have the same contents).

clone

public Object clone()

Specified by:

clone in class Expr