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                  Modula-2 Frequently Asked Questions Part 2


4. WHERE CAN I GET SOURCE CODE, OTHER INFO?

4.1.1 Is there source or other info available on the net?
A. Here are some net sites I have accessed at one time or another. I
am not sure if all are still available or what is in them.
ftp://ftp.psg.com/pub/modula-2/
http://www.arjay.bc.ca/Modula-2/m2faq.html ( Home of this FAQ)
ftp://ftp.inf.ethz.ch/pub/
ftp://NIC.SWITCH.CH
ftp://ftp.mathematik.uni-ulm.de/pub/soft/modula/

WWW sites
http://dir.yahoo.com/Computers_and_Internet/Programming_and_Development/Languages/Modula_2/

http://i44www.info.uni-karlsruhe.de/~modula

http://modula2.org

http://cs.ru.ac.za/homes/cspt/modula2.htm

4.2 What other FAQs or lists of pages are available?
A1. http://burks.bton.ac.uk/burks/language/modula2/index.htm
A2. http://dmoz.org/Computers/Programming/Languages/Modula-2/Compilers/
A3http://murray.newcastle.edu.au/users/staff/peter/m2/Modula2.html
A4http://www.unet.univie.ac.at/~a9406973/modula2/

4.3  Where can I find graphics libraries, etc?
A. Try the PMOS library for various platforms at one of the following sites:
   ftp://ftp.psg.com/pub/modula-2/code  (North America)
ftp://cs.ru.ac.za/pub/languages   (South Africa)
ftp://dutiba.twi.tudelft.nl/pub/modula2 (Western Europe)
ftp://ftp.cnit.nsu.ru/pub/msdos/programm.ing/modula2   (Eastern Europe).

4.4 Are there any mathematical libraries available?
A1. See Numerical Procedures in Modula-2 -- authorized translation of
Numerical recipes in Pascal from PolyWare (Klara Vancso):
[e-mail]   (work) OR [e-mail]   (home) The CD-ROM has
the Modula-2 sources. See http://www.nr.comNote that sources given in
this book are of the "quick and dirty" variety and cannot be sold as
such, only in compiled form.

A23. LMathLib is a library that defines a number of mathematical
functions for Modula 2 programs. Unlike other libraries of the same
kind, LMathLib patches the Modula 2 compiler. All library functions
are inlined as assembler code for the Floating Point Unit. This
results in faster code compared to the traditional solution with
subroutine calls. Due to this machine dependent technique, you can
use the library ONLY with the (free) GMD Modula System Mocka for
Linux on INTEL based machines. You can get the LMathLib library via
anonymous ftp from
ftp://tee-1.tee.uni-essen.de/pub/Mocka/(132.252.131.33) Documentation
is included.

A3. MATHPAK 87/32 is available for most 32-bit compilers. A lite
version for Canterbury M2 is freely downloadable from
http://www.webcom.com/mhc/welcome.html
Features:
  Written fully in INTEL CPU machine language
   Math Coprocessor control
   Basic Math functions
   Vector and Vector-Scalar Routines
   Vector and Vector-Scalar 'Skip' Procedures
   Complex Number Routines
   Complex Vector and Vector-Scalar Routines
   Polynomial Manipulation Routines
   Simple Matrix and Vector-Matrix Routines
   Solving Systems of Linear and Nonlinear Equations
   Unconstrained Minimization
   Nonlinear Least-Squares Minimization
   Eigenvalues and Eigenvectors
   Singular Value Decomposition
   Extrapolation of Vector-Sequences
   Statistical and Data-Fitting Rountines
   Fourier Transforms and Convolution
   Spectral Analysis Routines
   Numerical Integration
   Differential Equations


4.5  Where can I get a Modula-2 to C converter?
A: The program mtc is available from
ftp://ftp.Uni-Koeln.DE/usenet/comp.archives/languages/modula-2/mtc/
An already ported version for DOS+DJGPP can be found at
ftp://ftp.uni-stuttgart.de/pub/unix/programming/modula/
Several of the compilers available work or can work by producing C or
C++ code and can also serve this purpose. See p1, XDS and Ulm's m2c
(not the same as mtc) listings for examples.


4.6  Where can I get a Modula-2 to Modula-3 converter?
A. m2tom3 is available under the terms of the GNU Library General
Public License from
ftp://ftp-i3.informatik.rwth-aachen.de/pub/Modula-3-Contrib/m2tom3/
    m2tom3 is a system to port Modula-2 programs to Modula-3. It consists
of two parts:
  - A conversion program which tries to create a Modula-3 source text
    with the same semantics as the Modula-2 input while retaining the
    original look and feel as good as possible.
  - A base library which tries to emulate the Modula-2 standard library
    using the Modula-3 standard library.
   contact: Peter Klein
   office:  Ahornstrasse 55, 52074 Aachen, Germany
   e-mail:  [e-mail].
   Tel.: [phone]
   Fax.: [phone]


4.7  Where can I get a Modula-2 to Component Pascal converter?
A.This is available from http://www.lrz.de/~Bernhard_Treutwein/m2o.txt
Note: Component Pascal is an Oberon dialect, but the translator does
not use any CP specific features, i.e. generates standard Oberon-2.

4.8 Are there any Modula-2 applications around?
A. The Idaho National Engineering Laboratory (INEL) develops and
maintains a now
  ~350,000 line MODULA-2 reusable component library called SAGE. For
more information on SAGE send E-Mail to [e-mail] or see
the web site at http://sage.inel.gov/homepage.htm


4.9 Are there any compiler construction tools available?

A1. Coco/R generates recursive descent parsers and their associated
scanners from attribute grammars.  Full source code, and a variety of
simple example applications are supplied in the distribution kits.
The Modula versions (1.50 is the latest) are available from
ftp://ftp.ssw.uni-linz.ac.at/pub/Coco/  and the Java versions are
there too, at ftp://ftp.ssw.uni-linz.ac.at/pub/Coco/javacoco.htm
See also:
ftp://ftp.inf.ethz.ch:/pub/software/Coco
ftp://ftp.psg.com:/pub/modula-2/coco
ftp://cs.ru.ac.za:/pub/coco
ftp://ftp.fit.qut.edu.au:/pub/coco
There are versions for the MS-DOS compilers (JPI, FST, Logitech,
StonyBrook, Gardens Point), for the Mocka compiler for Linux and
FreeBSD, as well as for the Gardens Point Unix compilers, including
Linux and FreeBSD.  There is also a version that produces TurboPascal
units very similar to the Modula-2 modules. This is also FreePascal
compliant now. A port for the p1 compiler on the Mac is also
available. Latest information is available at
http://cs.ru.ac.za/homes/cspt/cocor.htm. Pat Terry's textbook
"Compilers and Compiler Generators" that uses Coco/R is now online at
http://www.scifac.ru.ac.za/compilers.

A2. A copy of the EBNF for ISO Modula-2 can be found in Appendix 3 at:
http://www.arjay.bc.ca


4.10 Is there an applications framework for Windows programming?
A. Try looking at
ftp://ftp.ifi.uio.no/pub/sjr/m2afx.zip
orftp://ftp.leo.org/pub/comp/platforms/pc/windows/programming/modula/m2afx.zip

This software is an application framework that implements a number of
classes that encapsulate the weirdness of the Windows C API and
attempts to present it in a cleaner way to the Modula-2 programmer.

4.11 Does there exist something to convert a C header file to a
Modula-2 DEFINITION MODULE file for me?
A. Try looking at the XDS Ltd site for the H2D freeware product on
some platforms

4.12 Where can I get the C code of a Modula-2 compiler?

A. Most Modula-2 compilers are written in Modula-2.  It seems
rather strange to me that one would want to trust the compilation of a
good language to a tool written in a poor one.




4.13 What can I do withá old sources from Modula Corp?

A. From the former president Richard Ohran ([e-mail]):
"Modula Corp. is dead. Do whatever you like."



4.14 Are there source code examples anywhere for Windows programmers?

A. Translations of Example Programs in Charles Petzold's book
"Programming Windows 95" from Visual C++ to Stony Brook and XDS
Modula-2 by Peter Stadler, Vienna can be found at:
http://www.nhm-wien.ac.at/Petzold/Index.html


4.15 Isn't there a Modula-Prolog project somewhere?

A. Try ABB Corporate Research and Carlo Muller, who may license it to
you for non-commercial purposes. mailto:[e-mail]

4.16 Is C. Lins SCL library available?

A. Yes, at

http://www.aha.ru/~uranus/download/scl.zip

4.17 Can you help me with my assignments?
A1. Some people may give you hints, but please do not subvert your
professor and your education by submitting work other people do for
you.

A2. Here are two answers submitted to the newsgroup in response to a
desperate student's plea for ANY Modula-2 program.  The first is
rather prosaic; the second a little more imaginative:
MODULE homework;

IMPORT STextIO;

BEGIN
   LOOP
     STextIO.WriteString ("I will do my own homework.");
     STextIO.WriteLn;
   END;
END homework.

main()
{
     int i;

     for(i=0; i<!-- i++)á
         printf("I will do my own homework.\n");

}

  Followup Question: Is that Modula-2? I just finished my first course
in Modula-2 and that don't look at all familiar. I'm not looking
forward to the final exam.
  A. (Pat Terry) Computer Science changes sooo rapidly.  Haven't you
discovered Modula-2++ yet?


5. SPECIFIC QUESTIONS ON CODE AND ALGORITHMS

5.0 Where can I get general information on algorithms?
A Try the siteá http://www.cs.sunysb.edu/~algorith/

5.1 Where can I get an algorithm for an efficient
ber generator?
A1. Pierre L'Ecuyer: Efficient and Portable Combined Random Number
Generators, Communications of the ACM, vol. 31, no. 6, pp. 742-749.
The RNG has a period of approximately 2.3E+18. Generating 1 000 000
numbers per second, that means that it would take over 73 000 years
before it repeated a sequence.

A2.Look in the PMOS library. This one uses the 'Minimal standard
random number generator' described by Park & Miller, CACM 31,10,Oct
88 p1192. The code has been checked for the 10001st random as
specified in Park & Miller p1195. One site is:
ftp://ftp.psg.com/pub/modula-2/code/random/

A3. A pseudo random generator using the subtractive method taken from
Knuth, Seminumerical Algorithms, 3.2.2 and 3.6, belongs to Ulm's
Modula-2 System that is distributed under the terms of the GPL (and
in case of the library under the terms of the LGPL). More
informations may be found atá
http://www.mathematik.uni-ulm.de/modula/ andá
http://www.mathematik.uni-ulm.de/modula/man/man3/RandomGenerator.html


5.2 How can I prevent NIL pointer errors?
A.First guard your reference by writing
IF (myPointer # NIL) AND (myPointer^.fieldname =)...etc.

Because Modula-2 has short circuited Boolean expression evaluation,
the first part guards the second from being evaluated
inappropriately. Then, take the radical, unC-like step of checking
your code design for the logical error that led to the incorrect
reference in the first place.



5.3 Why doesn't my IF statement compile?
A.See the example in the last subsection.  Boolean expressions must
be delineated with parentheses.



5.4 Can I assume numeric variables are set to zero and Booleans to FALSE?
A. No. The values of variables are random until your code sets them.
Declaring does not initialize.




5.5 Why do conversions from real to whole types sometimes crash?
A.You need to protect your conversion code by using MAX (TYPE) and
MIN (TYPE) which are part of the ISO Modula-2 base language.



5.6 Does a CASE statement always need an ELSE clause?
A. No, but it's not a bad idea, even if you think you have covered
all the cases. If you have, a good compiler might optimize your code
away, but if you haven't, you could be in for trouble.



5.7 What are the system types to which all other parameters  are compatible?
A.Just LOC and ARRAY OF LOC (one dimension). This does not work for
multidimensional arrays of LOC, and there are no defined BYTE and
WORD types, though implementations may include them as well.



5.8 How do I control the serial port, mouse, network card, TCP/IP or
other communications protocol or peripheral?
A.These are system dependent, and no modules for this can be found in
the standard. A vendor MAY supply them. Ask.




5.9 Does the object model for OO-Modula-2 have garbage collection or not?
A. BOTH traced (collected) and untraced (roll your own memory
management) objects are available.



5.10 What is the arity of inheritance for OO-Modula-2?
A. Single inheritance only.



5.11 What do you use the generic extensions for?
A. These allow you to write code for structures such as lists or
queues, or for routines such as a sort, without initially specifying
the data types that are in the structure or the target of the
routine. The initial module is called a generic module. Such modules
can be refined for the specific data types by a refining separate
module (library) or a refining local module.

5.12 How do I clear the screen?
A. This non-standard functionality may be present in a module called Terminal.

5.13 How do redirect screen and keyboard I/O?
A. This non-standard functionality may be present in a module called
InOut or (in an extension to ISO versions) in RedirStdIO. The
procedure to use is OpenInput (or OpenOutput). Unfortunately these
behave differently in every version (one of the reasons we built a
standard). Some versions produce a prompt at runtime, others take a
file name. The latter may or may not require a file extension. They
may look for the name as you have provided it and if they don't find
it, try with the default extension .txt Others have a way of entering
the extension. You will have to consult the documentation.



6. WHAT ARE SOME REFERENCE MATERIALS ON MODULA-2?

A1. A shareware text I have written (and that MAY be the only
currently maintained English language instructional text on Modula-2)
is available. See section 1.4.
A2.The manuals for some of the commercial products contain much
useful information.

A3. The Gardens Point sites have documentation available (see their
listing above.)

A4. A document called Modula-2 for Pascal programmers (Postscript,10
pages) may be fetched by anonymous ftp at
ftp://ee.newcastle.edu.au/pub/modula2/Modula2.ps.Z
The author has not updated the contents for a couple of years, so
there may be inaccuracies in terms of the current language standard.

A5. A variety of ETH papers are stored at ftp.ftp.ethz.ch in
/doc/diss, /doc/tech-reports and /pub/oberon/docu

A6. What follows is a BIBLIOGRAPHY of some published materials in a
table delimited by two spaces between fields:

Author  Title  City  Publisher  Year  Subject

    Adams, J. Mack Gabrini, Philippe J & Kurtz, Barry L.á An
Introduction to Computer Science with Modula-2  Lexington, MA  D.C.
Heath & Co  1988
    Backhurst, Nigel G.á Mastering Modula 2  Wilmslow  Sigma  1988
    Beidler, John & Jackowitz, Paulá Modula-2  Boston  Prindle
Weber & Schmidt  1985
    Blaschek, G. & Pomberger, G.á Introduction To Programming
With Modula-2   Springer-Verlag  1990
    Budgen, Davidá Software Development with Modula-2  Reading,
MA  Addison-Wesley  1989
    Carmony, Lowell A. & Holliday, Robert L.á A First Course In
Modula-2  New York  Computer Science Press  c1990
    Carroll, D. W.á Advanced Modula-2 Programming for the IBM PC
XT and AT  Elsevier  1986
    Chirlian, Paul M.á Introduction to Modula-2  Beaverton, Or.
Matrix Publishers
    Christian, Kaareá A guide to Modula-2  New York  Springer-Verlag  1986
    Cooling, J.E.á Modula-2 for Microcomputer Systems    Van
Nostrand Reinhold  1988
    Cooper, Dougá Oh My!  Modula-2!  New York  Norton  1990
    Cornelius, Barryá Programming with TopSpeed Modula-2
Reading, MA  Addison Wesley  1991
    Eisenbach, Susan & Sadler, Cristopherá Program Design with
Modula-2  Reading, MA  Addison-Wesley  1989
    Elder, Jimáá Compiler Construction: A Recursive Descent model
Hemel Hempstead  England:  Prentice-Hall  1994
    Etling, Doná Modula-2 Programmer's Resource Book  Blue Ridge
Summit, PA  Tab Books  1988
    Feldman, Michael B.á Data Structures with Modula-2  Englewood
Cliffs, NJ  Prentice Hall  1988
    Ford, Gary & Wiener, Richard.á Modula-2: A Software
Development Approach  New York  Wiley  1985
    Gabrini, Philippe J. & Kurtz, Barry L.  Data Structures And
Algorithms With Modula-2  Lexington, MA  DC Heath  c1992
    Gleaves, Richardá Modula-2 for Pascal Programmers  New York
Springer-Verlag  1984
    Gough, K. John & Mohay, George M.á Modula-2: A Second Course
In Programming  Englewood Cliffs, NJ  Prentice Hall  1988
    Greenfield, Stuart B.á Invitation to Modula-2    Petrocelli Books  1985
    Harrison, Rachaelá Abstract Data Types in Modula-2  New York
Wiley  1989 Wiley
    Harter, Edward D.á Modula-2 Programming.  A First Course
Englewood Cliffs, NJ  Prentice-Hall  1990
    Helman, Paul & Veroff, Robertá Walls and Mirrors:
Intermediate Problem Solving and Data. Modula-2  Menlo Park, CA
Benjamin Cummings  1988
    Hewitt, Jill A. & Frak, Raymond J.á Software Engineering in
Modula-2:  an object-oriented approach   London  Macmillan  1989.
Hille, R.F.  Data Abstraction and Program Development Using Modula-2
Sydney  Prentice Hall  1989
    Hopper, Keith.á The Magic of Modula-2  Melbourne  Prentice Hall  1991
    Johnston, Chrisá Applying Modula-2   Academic Press  1991
    Jones, William C. Jr.á Data Structures Using Modula-2  New
York  Wiley  1988
    Jones, William C. Jr.á Modula-2 Problem Solving and
Programming with Style  New York  Harper & Row  1987
    Joyce, Edward J.á Modula-2: A Seafarer's Manual & Shipyard
Guide  Reading, MA  Addison-Wesley   1985
    Kaplan, Ian & Miller, Mikeá Modula-2 Programming  Rochelle
Park, NJ  Hayden Book Co.  1986
    Kelly-Bootle, Staná Modula-2 Primer    Howard W. Sams & Co.  1987
    King, K.N.á Modula-2: A Complete Guide  Lexington, MA  D.C.
Heath & Co  1988
    Knepley, Ed & Platt, Robertá Modula-2 Programming  Reston, VA
Reston Pub. Co.  1985
    Koffman, Elliot B.á Problem Solving and Structured
Programming in Modula-2  Reading, MA  Addison-Wesley  1988
    Kruse, Robert L.á Programming With Data Structures Modula-2
Version   Englewood Cliffs, NJ  Prentice-Hall  1988
    Lawrence, Mikeá Modula-2 And The Amiga  Avant-Garde Software  1990?
    Leestma, Sanford & Nyhoff, Larryá Programming &
Problem-Solving in Modula-2  New York  Macmillan  1989
    Lins, C. (Charles)á The Modula-2 Software Component Library
Volumes I-IV  New York  Springer-Verlag  1989-
    Mayer, Herbert G.á Programming in Modula-2.  the Art & the
Craft  New York  Macmillan  1988
    McCracken, Daniel D. & W. Salmoná A Second Course in Computer
Science with Modula-2  New York  Wiley  1987
    Messer, P. A. & I. Marshallá Modula-2 Constructive Program
Development  Oxford  Blackwell Scientific Publications  1986
    Metrowerks, Inc. Staffá Metrowerks Modula-2 Start Pak  New
York  Macmillan  1990
    Mitchell, R. J.á Modula-2 Applied   London  Macmillan  1991
    Mitchell, Richardá Abstract Data Types And Modula-2  A Worked
Example Of Design Using Data Abstraction   Englewood Cliffs, NJ
Prentice Hall  1992
    Moore, John B. & McKay, Kenneth N.á Modula-2 Text and
Reference  Englewood Cliffs, NJ  Prentice-Hall  1987
    Novak, M.M.á Modula-2 in Science & Engineering  London  McGraw  1990
    Nyhoff, Larry & Leestma ,Sanfordá Data Structures & Advanced
Programming in Modula-2  New York  Macmillan  1990
    Ogilvie, John W. L.á Modula-2 Programming  New York  McGraw-Hill  1985
    Pinson, Lewis Sincovec, Richard & Weiner, Richardá A First
Course in Computer Science with Modula-2  New York  Wiley  1987
    Pittman, Thomas & Peters, Jamesá The Art Of Compiler Design
Theory And Practice  Englewood Cliffs, NJ  Prentice-Hall  1992
    Pomberger, Gustav.áá Software Engineering and Modula-2
Englewood Cliffs, NJ  Prentice Hall  1984
    Rechenberg, P. & M÷ssenb÷ck, H. (tr. O'Meara, John)á A
Compiler Generator for Microcomputers  Englewood Cliffs, NJ  Prentice
Hall / Carl Hanser Verlag  1989
    Riley, David D.á Data Abstraction and Structures: An
Introduction To Computer Science II  Boston  Boyd & Fraser Pub. Co.
1987
    Riley, David D.á Using Modula-2: An Introduction To Computer
Science I  Boston  Boyd & Fraser Pub. Co.  1987
    Sale, Arthur H. J.á Modula-2: Discipline & Design  Sydney
Addison-Wesley  1986
    Sawyer, Brian & Foster, Dennis.áá Programming Expert Systems
in Modula-2  New York  Wiley  1986
    Schildt, Herbertá Advanced Modula-2  Berkeley, CA  Osborne
McGraw-Hill  1987
    Schildt, Herbertá Modula-2 Made Easy  Berkeley, CA  Osborne
McGraw-Hill  1986
    Schiper, Andre; (tr. Howlett, Jack)á Concurrent programming:
Illustrated With Examples in Portal, Ada, and Modula-2    Halsted
Press  1989
    Schnapp, Russell L.á Macintosh Graphics in Modula-2
Englewood Cliffs, NJ  Prentice-Hall  1986
    Sincovec, Richard F. & Richard S. Wiener.áá Data Structures
Using Modula-2  New York  Wiley  1986
    Sincovec, Richard F. & Wiener, Richard S.á Modula-2 Software
Components  New York  Wiley  1987
    Stubbs, Daniel F. & Webre, Neil W.á Data Structures With
Abstract Data Types and Modula-2  Monterey, CA  Brooks/Cole Pub. Co.
1987
    Sutcliffe, Richard J.á Introduction to Programming Using
Modula-2  Columbus, OH  Merrill  1987
    Sutcliffe, Richard J. mailto:[e-mail]. Modula-2:
Abstractions for Data and Programming Structures (Using ISO-Standard
Modula-2) Mt. Lehman: Arjay Enterprises 1996-2000.
http://www.arjay.bc.ca (1996 09 16)
    Sutcliffe, Richard J. Standard Generic Modula-2 (Document
ISO/IEC/JTC1/SC22/WG13 D235) 1996 07 12
ftp://FTP.twu.ca/pub/modula2/WG13/ca101.GenericModula2CD(1996 09 16)
    Sutherland, Robert J.á The Professional Programmer's Guide to
Modula-2  London  Pitman  1988
    Terry, Patrick D.á An Introduction To Programming with
Modula-2  Reading, MA  Addison-Wesley  1987
    Thalmann, Danielá Modula-2: An Introduction  New York
Springer-Verlag  1985
    Tremblay, Jean-Paul DeDourek, John M. & Daoust, David A.á
Programming in Modula-2  New York  McGraw-Hill  1989
    Tucker, Allen B. Jr.  Computer science: A Second Course Using
Modula-2  New York   McGraw-Hill  1988
    Ullmann, Jeffreyá Compiling in Modula-2 - A First
Introduction To Classical Recursive Descent Compiling   Hemel
Hempstead  England: Prentice-Hall  1994
    Ural, Saim & Ural, Suzaná Introduction to Programming with
Modula-2  New York  Harper & Row  1987
    Walker, Billy Ká Modula-2 Programming With Data Structures
Belmont, CA  Wadsworth Pub. Co.  1986
    Walker, Robert D.á Modula-2 Library Modules: A Programmer's
Reference  Blue Ridge Summit, PA  Tab Books  1988
    Ward, Terry A.á Advanced Programming Techniques in Modula-2
Glenview, IL  Scott Foresman  1987
    Welsh, Jim & Elder, Johná Introduction to Modula-2  Englewood
Cliffs, NJ  Prentice-Hall  1987
    Wiatrowski, Claude A. & Wiener, Richard S.á From C to
Modula-2--and Back - Bridging The Language Gap  New York  Wiley
    Wiener, Richardá Modula-2 Wizard's Programming Reference  New
York  Wiley  1986
    Wiener, Richard & Ford, G.á Modula-2 A Software Development
Approach  New York  Wiley  1985
    Wiener, Richard & Sincovec, R. F.á Software Engineering with
Modula-2 and Ada  New York  Wiley  1984
    Willis, Claire & Paddon, Dereká Abstraction And Specification
With Modula-2  London  Pitman  1992
    Wirth, Niklausá Programming in Modula-2 (3rd corrected ed.)
New York  Springer-Verlag  1985
    Wirth, Niklausá Algorithms and Data Structures (1986 edition)
Englewood Cliffs, NJ  Prentice-Hall  1986
    Wirth, Niklausá Programming in Modula-2 (4th ed.)   New York
Springer-Verlag  1990
    Woodman, Mark et alá Portable Modula-2 Programming
Maidenhead, Berkshire UK  McGraw-Hill  1989

7. REVIEWS OF MODULA-2 PRODUCTS.

Note: The reviews have been contributed by others and I take no
responsibility for their accuracy or for any opinions expressed
therein. I have updated some of the facts.

p1 Modula-2 v5.2 for Macintosh, by Marc Martin, Dec 1994.This is an
excellent Modula-2 compiler, implemented as an MPW Tool. Highlights
include ISO language extensions & library, a full set of Macintosh
toolbox definitions, language extensions to simplify toolbox
programming, object-oriented extensions and support for MacApp,
greater than 32k code and globals, code generation comparable to
Apple's official compilers, several FPU code options, multi-window
debugger, linkable with other MPW languages, detailed documentation,
and superb technical support via e-mail. Downsides include high cost
(US$400), dependency on MPW, lack of SADE support. Version 6.0 has
been released for creating PowerPC programs under MPW or CodeWarrier.

Appendix: AUTHOR INFORMATION AND DISCLAIMERS

Personal: I have used, written about, and taught Modula-2 (since
1983) and have maintained some of the information in this list for
over seven years. I have used at least a dozen different
compiler/environments in that time on five different platforms, and
have written numerous articles and reviews for publication. I have
been a member of the ISO committee WG13 (Modula-2 standardization)
since its inception and have participated in all the debates and
meetings of WG13 except for meeting #9 at Lake Wanaka. I have written
a text on Modula-2 (now shareware), made numerous submissions to WG13
and directed an implementation of the ISO I/O library in order to
verify its concepts. I am the author and project editor of Standard
Generic Modula-2.

Disclaimers:
(i) I take no responsibility for anyone's use or misuse of this information.
(ii) Apart from having been a beta tester, textbook writer,
programmer and a long time user of Modula-2, I have no financial
connection with any manufacturer or distributor of software. I am the
author of some Modula-2 materials (some of which are shareware) as
noted herein, and of various other books. Some manufacturers may
distribute my shareware on CD-ROM for a previously arranged fee, but
that is not an endorsement of their products by me or of mine by them.
(iii) In producing this material, I am NOT acting in an official
capacity for TWU, WG13, ABC, IEEE, ACM, comp.lang.modula2, or any
other organization.
(iv) Mention of a book or product is NOT an endorsement unless
specifically noted.
(v) Inclusion of materials on this list is based on relevance to
Modula-2 and factual content and is otherwise entirely without
prejudice. I reserve the right to edit all submissions for brevity,
clarity, and usage.

To remain authoritative, this and all versions of this FAQ are
copyright 1991-2002 by Rick Sutcliffe and Arjay Enterprises. This
document may be freely copied and distributed provided it is not
altered and no fee is charged with the exception of normal
downloading or copying costs.

Compiled by:
Rick Sutcliffe (aka The Northern Spy in the old days)
Trinity Western University
7600 Glover Rd.,
Langley, B.C. Canada V2Y 1Y1
1 604 888-7511 Fax [phone]

see my personal services web page at
Arjay Enterprises
mailto:[e-mail]


--
Rick Sutcliffe Professor Math/Cmpt Trinity Western University. Try
<http://www.arjay.bc.ca> for Christian SF, books on Modula-2 and
Ethics in Technology. Philology site at <http://www.opundo.com>