Gpc

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5400 discussions

Re: SetTextBuf
by Frank Heckenbach 18 Mar '00

18 Mar '00

Mariusz Zynel wrote: > I'm porting some software written in BP to GPC. How to simulate > SetTextBuf which takes two or optionaly three arguments? Grmpf. Another of these pseudo-overloaded BP routines... :-( > There > is SetTextBuf in GPC System unit, but this takes two arguments. > > Should I drop using the buffer size - third argument? Possibilities are: - Drop the buffer size, as you said. - We add a 3rd parameter in the system unit (but then every program which uses only 2 parameters would "suffer"). - We make it dependent on an ifdef, like the type sizes etc., but I don't like this (and still programs that use both versions will have problems). - Use the following dirty trick to ignore the 3rd (and any following) parameters. Note that macros are case-sensitive and don't work across units (so you have to put it in each program/unit that does this). {$define SetTextBuf(a,b,c...) SetTextBuf(a,b)} - Put two versions of the procedure under slightly different names in the unit. (I'll do this for now. SetTextBuf3 will be in the next release.) - Build SetTextBuf into the compiler and use compiler magic. (I don't like this, either, because actually we want to reduce the number of magic routines in the compiler.) - Implement procedure overloading in GPC. That's, of course, the right solution, but too much work for us to do right now (but if you'd like to volunteer to implement it in GPC... ;-). > Thanks in advance for any suggestion I hope these were enough for today... ;-) Frank -- Frank Heckenbach, frank(a)g-n-u.de, http://fjf.gnu.de/ GPC To-Do list, latest features, fixed bugs: http://agnes.dida.physik.uni-essen.de/~gnu-pascal/todo.html

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Install problem - cannot exec cpp
by Mark Taylor 17 Mar '00

17 Mar '00

Another novice question - I'm afraid. When trying to compile a program which USES GPC,CRT; I'm getting an error... GPC installation problemm cannot exec cpp - no such file module/unit CRT could not be compiled I tried both the DJGPP port & Dr Olowofoyeku's Mingw port & got the same message from both, so I think I must be making a silly mistake somewhere - sorry. Mark. -- Mark Taylor, Department of Corporate Information & Computing Services, Extension 21145. (0114) 222 1145 http://www.shef.ac.uk/misc/personal/ad1mt The opinions expressed in this email are mine and not those of the University of Sheffield.

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GPC for Mingw32
by Dr A Olowofoyeku 17 Mar '00

17 Mar '00

Hi all A new snapshot of GPC (Mingw32) has been uploaded to Agnes. This is based on Peter's recent native Mingw32 build (based on gcc 2.95.1). The file is: ftp://agnes.dida.physik.uni-essen.de/home/chief/ gpc-20000202-i586-mingw32.zip If you unzip (with an unzip program that understands long filenames) into 'c:\usr\', reproducing the directory structure in the zip file, you should have a ready-to-run and stable Win32 snapshot of GPC (you just need to add 'c:\usr\local\bin' to the PATH). Best regards, The Chief ----- Dr Abimbola A Olowofoyeku (The African Chief) Email: African_Chief(a)bigfoot.com Author of Chief's Installer Pro v5.22 for Win32 http://www.bigfoot.com/~African_Chief/chief32.htm

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variable := zero;
by Wren Lee 17 Mar '00

17 Mar '00

I am currently converting an OpenVMS DEC-PASCAL model into GPC (v.19991030 based on 2.95.2 19991024) on a LINUX PC. Part of this task is to, where ever possible, maintain a common source between the two systems. The model initialises many variables using the DEC-PASCAL function "ZERO", is there an equivalent within GPC that works with any variable, or record, type. VAR i : INTEGER; r : REAL; d : ARRAY[1..5] OF DOUBLE; BEGIN i := zero; r := zero; d := zero; END. I've searched the documentation but cannot find anything, the closest I've come is to pass an untyped parameter and its size to a function, then use pointers to set the memory to zero (0x00). This works OK for GPC, but DEC-PASCAL doesn't seem to like untyped parameters. Any help would be appreciated, as would any comments from people who have undertaken a similar task. Thanks, in advance Lee. -- The Information contained in this E-Mail and any subsequent correspondence is private and is intended solely for the intended recipient(s). For those other than the recipient any disclosure, copying, distribution, or any action taken or omitted to be taken in reliance on such information is prohibited and may be unlawful.

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Re: Mingw GPC bug - was cannot exec cpp
by Mark Taylor 17 Mar '00

17 Mar '00

Subject: Re: Mingw GPC bug - was cannot exec cpp > have you done that ? it is not done by default. Many thanks. No - had not done any except the first. Is this documented anywhere or did you figure it out for yourself? While desperate to avoid C for a new programming project I am going to start soon, I am getting very disheartened with GPC, and am thinking of reverting to GNU C. Mark. -- Mark Taylor, Department of Corporate Information & Computing Services, Extension 21145. (0114) 222 1145 http://www.shef.ac.uk/misc/personal/ad1mt The opinions expressed in this email are mine and not those of the University of Sheffield.

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gpc macht nich, was er soll
by da_worm＠gmx.li 17 Mar '00

17 Mar '00

ich nutze den gpc der suse 6.2 linux distribution bereits seit einem halben jahr. funktionierte gut! nchdem ich jetzt mandrake 7.02 installierte, mich wieder dagegen entschied und erneut suse 6.2 aufzog, meldet mir der gpc beim compilieren das die functionen & proceduren meines programmes 'first use in GNU/??/??/lib/blah' haben. das tut er mit allen funktionen & proceduren. teilweise werden die zu compilierenden quelltexte durch die option (die bisher immer ihren dienst tat!) gelÃ¶scht (!!!), was zum teil sehr fatal sein kann... bitte um antwort. thx alot Da Worm -- Sent through GMX FreeMail - http://www.gmx.net

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SetTextBuf
by Mariusz Zynel 17 Mar '00

17 Mar '00

Hi, I'm porting some software written in BP to GPC. How to simulate SetTextBuf which takes two or optionaly three arguments? There is SetTextBuf in GPC System unit, but this takes two arguments. Should I drop using the buffer size - third argument? Thanks in advance for any suggestion -- . Mariusz Zynel Institute of Mathematics | phone: +48 (85) 745 75 52 University of Bialystok | Akademicka 2 St | mailto:mariusz@math.uwb.edu.pl 15-267 Bialystok | Poland | http://math.uwb.edu.pl/~mariusz/

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GPC: Win32 API import units
by Dr A Olowofoyeku 17 Mar '00

17 Mar '00

Hi all You can get the latest version of my ongoing work of translating the GCC WinAPI headers to GPC import units from agnes (in the directory: ftp://agnes.dida.physik.uni-essen.de/home/chief/). The sources (messages.pas, wintypes.pas and winprocs.pas) are in: ftp://agnes.dida.physik.uni-essen.de/home/chief/winapi-src.zip The precompiled units are in: ftp://agnes.dida.physik.uni-essen.de/home/chief/winapi-bin.zip. I suggest that you put the precompiled units in your GPC 'units' directory, and keep the sources elsewhere (where they won't be located automatically by the compiler). That way you will get much faster compiles and links (two of the units are quite huge, and until automake is fixed, you don't want GPC to try and compile them all the time). Since the original GCC headers are LGPL, I guess that this makes my Pascal translations LGPL as well. If anyone wishes to help to debug/test/develop/complete these units, please feel free to jump in! I have been working on this for about a year, and it is quite clear that it is way beyond the capacity of one person to complete. Best regards, The Chief ----- Dr Abimbola A Olowofoyeku (The African Chief) Email: African_Chief(a)bigfoot.com Author of Chief's Installer Pro v5.22 for Win32 http://www.bigfoot.com/~African_Chief/chief32.htm

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Documentation list
by Peter Gerwinski 17 Mar '00

17 Mar '00

Hello, we now have a separate list for documenting GPC. Everyone who wants to contribute to the GPC documentation project is invited to join. We have splitted this list from the main GPC list because some documentation issues are not of interest for users of GPC. (For instance, spelling wars are off-topic on the ordinary GPC list, but they can be on-topic on the GPC documentation list.:-) The GPC documentation list is <gpc-doc(a)gnu.de>. To subscribe to the list, write a message containing "subscribe gpc-doc" in the body to <majordomo(a)gnu.de>. (The subject will be ignored.) Happy hacking, Peter -- http://home.pages.de/~Peter.Gerwinski/ - G-N-U GmbH: http://www.g-n-u.de Maintainer GNU Pascal - http://home.pages.de/~GNU-Pascal/ - gpc-19990118 GnuPG key fingerprint: 9E7C 0FC4 8A62 5536 1730 A932 9834 65DB 2143 9422 keys: ftp://ftp.gerwinski.de/pub/keys/ - AntiSpam: http://spam.abuse.net

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RE: Obscure features of GPC
by J Blakeney 16 Mar '00

16 Mar '00

Does anyone know how to access "ellipsis" parameters for that define variable argument lists for precedures on a Pentium linux system. e.g. Procedure A_Procedure ( a: Integer; ... ); The GNU pascal documentation says the access method is implementation dependent, but as far as I can see doesn't give any methods [I've tried accessing via pointers and successfully crashed my computer] Thanks John Blakeney

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