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Article View: comp.specification
Article #409

Corrections to "A Larch Specification of Copying Garbage Collection"

#409
From: Scott Nettles
Date: Wed, 16 Dec 1992 16:38
72 lines
3791 bytes
Some bugs were discovered in my specification.  The corrected version
has been placed in the ftp area. If you got a buggy copy, please ftp a
corrected one. Any hardcopy orders will receive the corrected one.
Thanks to Mark Vandevoorde for finding the mistakes.  My original post
and ftp/ordering instructions are below.

Scott
--------------------------------------------------------------------

I've written a specification of copying GC in Larch which may be of
interest to some of you.  It's  CMU-CS-92-219 and I've included an
abstract, ftp directions and hardcopy ordering directions below.  I'd
welcome any feedback you might have about it.

Scott Nettles
nettles@cs.cmu.edu

---------------------------------------------------------------------------

A Larch Specification of Copying Garbage Collection

Garbage collection (GC) is an important part of many language
implementations.  One of the most important garbage collection
techniques is copying GC.  This paper consists of an informal but
abstract description of copying collection, a formal specification of
copying collection written in the Larch Shared Language and the Larch/C
Interface Language, a simple implementation of a copying collector
written in C, an informal proof that the implementation satisfies the
specification, and a discussion of how the specification applies to
other types of copying GC such as generational copying collectors.
Limited familiarity with copying GC or Larch is needed to read the
specification.

-------------------------------------------------------------------------

   DIRECTIONS FOR ANONYMOUS FTP:
   1) Ftp to reports.adm.cs.cmu.edu (128.2.218.42) as "anonymous".

   2) At the password prompt, send your Username@site
      (you must include the "@" or the login will fail)

   3) Then "cd 1992"  (the directory for 1992 technical reports)

   4) Use the standard ftp commands, such as "get", "cd", "ls", etc.

   5) The reports are in postscript format (.ps).  The index file
      is called README.mss.  The reports are listed in the directory
      by their NUMBER.ps...for example, CMU-CS-92-100.ps, CMU-CS-92-101.ps
      and so on.  The majority of the files are not compressed, although
      any compressed files will be listed as NUMBER.ps.Z .  A very few
      reports have been broken down into multiple postscript files.  They
      will appear as NUMBERA.ps, NUMBERB.ps, etc.  The README.mss will
      indicate the reports that have multiple .ps files.

   6) When you have finished copying the files you need, simply "quit."

-----------------------------------------------------------------------------

You can order a printed version from the following address.

Computer Science Documentation
School of Computer Science
Carnegie Mellon University
5000 Forbes Avenue
Pittsburgh, PA  15213-3891
reports@cs.cmu.edu - 412/268-2596

The market price:

Domestic: (US/CANADA) $2.00 (this includes first class postage and
                             document production)
Overseas:              5.00 (includes airmail and document production)
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From: nettles+@cs.cmu.edu (Scott Nettles)
Newsgroups: comp.specification
Subject: Corrections to "A Larch Specification of Copying Garbage Collection"
Message-ID: <BzD287.9sI.1@cs.cmu.edu>
Date: 16 Dec 92 16:38:28 GMT
Article-I.D.: cs.BzD287.9sI.1
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