warwick@cs.uq.oz.au (Warwick Allison) (06/05/91)
The Queensland University of Technology has developed a Modula-2 compiler
which produces C as intermediate code.
I think this is an excellent idea, as it means the optimisation techniques
developed over many years for C can be utilized for Modula-2.
Great stuff, cheers to QUT.
Warwick.
--
_-_|\ warwick@cs.uq.oz.au
/ * <-- Computer Science Department,
\_.-._/ University of Queensland,
v Brisbane, AUSTRALIA.X903@DMAFHT1.BITNET (Marc Wachowitz) (06/05/91)
What is the legal state of this product? Is it commercial, freeware, shareware, public domain or whatever? In case it's not commercial (in which case I would have no need for it), is there a mail/ftp address where to get more information (or possibly the compiler itself)? What are the possible compilation/target environments? Thanks for all information Marc Wachowitz X903@DMAFHT1.BITNET
haitto@nada.kth.se (Hasse Haitto) (06/05/91)
In article <1772@uqcspe.cs.uq.oz.au> warwick@cs.uq.oz.au writes: >The Queensland University of Technology has developed a Modula-2 compiler >which produces C as intermediate code. How good an implementation is this, does it support the full language or some subset only? Is it available by ftp?
frankb@sbsvax.cs.uni-sb.de (Frank Bauernoeppel) (06/06/91)
Gardens Point M2 is commercially available from A+L AG, Daederitz 61, CH-2540 Grenchen, Switzerland Phone: (+41) 65 52 03 11 Fax: (+41) 65 52 03 79 You can get more information about the product there. -- Dr. Frank Bauernoeppel Universitaet des Saarlandes, Fachbereich Informatik, SFB 124 6600 Saarbruecken, Germany Phone: (+49) 681 302 2064, Fax: (+49) 681 302 4421 email: frankb@cs.uni-sb.de
iwm@doc.ic.ac.uk (Ian Moor) (06/06/91)
In article <1772@uqcspe.cs.uq.oz.au> warwick@cs.uq.oz.au (Warwick Allison) writes: > The Queensland University of Technology has developed a Modula-2 compiler > which produces C as intermediate code. > > I think this is an excellent idea, as it means the optimisation techniques > developed over many years for C can be utilized for Modula-2. But I don't think there are techniques for optimising C that cannot be applied to Modula-2 directly. Indeed, some optimisations must be easier on Modula-2 because the language has fewer loopholes (consider generating code for MODULA-2 and C `for' statements). There is a problem generating C for things that have no close equivalents, such as nested procedures, something like PROCEDURE A; PROCEDURE B; BEGIN A; END B; BEGIN A; B; END A; cannot easily be mapped to C. Gardens Point seems to produce incorrect C for something like this. -- Ian W Moor Internet: iwm@doc.ic.ac.uk JANET: iwm@uk.ac.ic.doc Department of Computing, That which you call a crime when one man does it, Imperial College. you call government when done by many. 180 Queensgate London SW7 UK.
untch@hubcap.clemson.edu (Roland Untch) (06/07/91)
From article <IWM.91Jun6140721@swan.doc.ic.ac.uk>, by iwm@doc.ic.ac.uk (Ian Moor): > There is a problem generating C for things that have no close equivalents, > such as nested procedures, something like > (. . . example deleted . . .) > cannot easily be mapped to C. Gardens Point seems to produce incorrect C > for something like this. Do you know for a fact that Garden's Point Modula-2 produces incorrect C? Methods for mapping nested procedures into a "flat" language like C were explicated in the article: N. Sundaresan, ``Translation of Nested Pascal Routines to C'', SIGPLAN Notices, v.25 n.5, May 1990, pp. 69-81. -- Roland Untch, Comp. Sci. Dept., Clemson University, Clemson, SC 29634-1906 INTERNET: untch@hubcap.clemson.edu UUCP: ... !gatech!hubcap!untch
iwm@doc.ic.ac.uk (Ian Moor) (06/08/91)
In article <1991Jun7.114900.7574@hubcap.clemson.edu> untch@hubcap.clemson.edu (Roland Untch) writes: >> There is a problem generating C for things that have no close equivalents, >> such as nested procedures, something like >> (. . . example deleted . . .) >> cannot easily be mapped to C. Gardens Point seems to produce incorrect C >> for something like this. > Do you know for a fact that Garden's Point Modula-2 produces >incorrect C? More details: this was the SPARC version of Garden's Point, which we had for evaluation from their UK agent RTA before easter. The C output from a program like the example I quoted caused the C compiler to complain about an illegal redeclaration of one the procedures. The procedure was called before definition in the C. -- Ian W Moor Internet: iwm@doc.ic.ac.uk JANET: iwm@uk.ac.ic.doc Department of Computing, That which you call a crime when one man does it, Imperial College. you call government when done by many. 180 Queensgate London SW7 UK.
pcg@aber.ac.uk (Piercarlo Grandi) (06/15/91)
On 4 Jun 91 23:44:50 GMT, warwick@cs.uq.oz.au (Warwick Allison) said: warwick> The Queensland University of Technology has developed a warwick> Modula-2 compiler which produces C as intermediate code. They come second; the excellent p2c translator developed at CalTech by gjc also translates Modula 2 to C, as well as many Pascal dialects. It is easily retrievable by FTP from the CS CalTech server. warwick> [ ... ] Great stuff, cheers to QUT. Cheers also to gjc at CalTech. Now, if only he had chosen to develop more sensible things than a 30,000 long symbolic algebra calculator in Emacs Lisp as his next project... :-). But I remain a gjc fan. -- Piercarlo Grandi | ARPA: pcg%uk.ac.aber@nsfnet-relay.ac.uk Dept of CS, UCW Aberystwyth | UUCP: ...!mcsun!ukc!aber-cs!pcg Penglais, Aberystwyth SY23 3BZ, UK | INET: pcg@aber.ac.uk
Pat.Terry@p101.f4.n7104.z5.fidonet.org (Pat Terry) (06/16/91)
pcg@aber.ac.uk (Piercarlo Grandi) writes >warwick> The Queensland University of Technology has developed a >warwick> Modula-2 compiler which produces C as intermediate code. >They come second; the excellent p2c translator developed at CalTech by >gjc also translates Modula 2 to C, as well as many Pascal dialects. It >is easily retrievable by FTP from the CS CalTech server. I think you miss the point. GPM is a proper compiler, not a "convert as much as we can to C" product. Also it has one of the best outhorities on M-2 as its primary author. -- uucp: uunet!m2xenix!puddle!5!7104!4.101!Pat.Terry Internet: Pat.Terry@p101.f4.n7104.z5.fidonet.org
warwick@cs.uq.oz.au (Warwick Allison) (06/17/91)
>warwick> The Queensland University of Technology has developed a >warwick> Modula-2 compiler which produces C as intermediate code. >They come second; the excellent p2c translator developed at CalTech by >gjc also translates Modula 2 to C, as well as many Pascal dialects. It >is easily retrievable by FTP from the CS CalTech server. But does p2c optimise in the translation (see post from QUT) Warwick. -- _-_|\ warwick@cs.uq.oz.au / * <-- Computer Science Department, \_.-._/ University of Queensland, v Brisbane, AUSTRALIA.