geneseo.cs.compiler
Class LabelSeq

java.lang.Object
  |
  +--geneseo.cs.compiler.LabelSeq

public class LabelSeq

extends java.lang.Object

Represents pools from which a compiler can draw unique labels for locations in an assembly language program. Conceptually, these "pools" are infinitely long sequences of strings in a form suitable for labels in most assemblers, from which a compiler can keep drawing the "next" entry.

Constructor Summary

LabelSeq(java.lang.String prefix)
Initializes a sequence of labels ready to yield its first member.

Method Summary

java.lang.String

nextLabel() Retrieve the next label from a sequence.

Methods inherited from class java.lang.Object

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

Constructor Detail

LabelSeq

public LabelSeq(java.lang.String prefix)

Initializes a sequence of labels ready to yield its first member.

Parameters:

prefix - A string that will prefix all labels in this sequence to distinguish them from those generated by other label sequences.

Method Detail

nextLabel

public java.lang.String nextLabel()

Retrieve the next label from a sequence.

Returns:

The first label not previously returned by this method from the sequence.