Class Value

java.lang.Object
  Value

Direct Known Subclasses:

LValue

public class Value

extends java.lang.Object

Class Value is the representation of a "tagged value", as employed in interpreters that perform runtime type checking. A tagged value consists of a generic value field, of type Object, and a type field, of type TypeNode.

Field Summary

TypeNode	type The type-tag field
java.lang.Object	val The value field

Constructor Summary

Value(java.lang.Object val, TypeNode type)
Construct this with the given value and type.

Method Summary

java.lang.String

toString() Return the string representation of this as the toString of its value and type.

Methods inherited from class java.lang.Object

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

Field Detail

val

public java.lang.Object val

The value field

type

public TypeNode type

The type-tag field

Constructor Detail

Value

public Value(java.lang.Object val,
             TypeNode type)

Construct this with the given value and type.

Method Detail

toString

public java.lang.String toString()

Return the string representation of this as the toString of its value and type. The two components are are separate lines, and prefixed with "val: " and "type: ", respectivey.