Gpc March 2001

gpc@gnu.de

41 participants
73 discussions

Has class become a reserved word?
by david＠tcs01.demon.co.uk 09 Mar '01

09 Mar '01

I'm trying to upgrade from gpc version 19991030 to 20010306 both based on 2.95.2 19991024 (released). I've found the change in the positioning of 'asmname', and the removal of the 'char-escapes' directive. It looks as if 'class' has become a reserved word, which is unfortunate as it is a variable name our code uses frequently. First question: is class now reserved in some way? Second question: is there any easy way for me to disable this? Unfortunately I don't think specifying the Pascal dialect (using --extended-pascal, --borland-pascal, etc) will help me because the source code uses a mixture of dialects often in the same file. Is going throughthe source and changing all occurrences of class into something else going to be my easiest course of action? Third question: any thoughts on whether there any other syntax changes I might trip over? David -- David James mailto:david@tcs01.demon.co.uk Special Stage Rally results archive <URL:http://www.tcs01.demon.co.uk/>

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GNU Pascal Anfänger
by Dieter Schmitz 08 Mar '01

08 Mar '01

Hallo, Bin mir nicht sicher welche Sprache auf dieser Liste gesprochen, da die GNU Pascal Seite kommplett in Englisch ist und ich von der Liste noch keine Mails bekommen hab, ich versichs einfach mal mit Deutsch. Ich bin gerade dabei in GNU Pascal einzusteigen und hatte vorher auch nie mit einer Programmiersprache zu tun. Jetzt suche ich ein biÃchen Dokumentation daz, kennt jemand von euch gute deutsche Dokumnetion zu GNU Pascal? Ich hab schÃ¶n einige BÃ¼cher und Dokumentationen zu Pascal gesehn, kann ich diese auch zum lernen von GNU Pascal verwenden? GruÃ Dieter

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Re: Timestamp format and calculations?
by Tom Verhoeff 08 Mar '01

08 Mar '01

Eike Lange wrote: >IMHO, you should write the unit. We could perhaps improve the unit by >conversions of date/time formats, used in special cases like >"flight-sheduling". AFAIK do the airports calculate an hour based on 100 >"Ticks?" (like swatch-thee-beep :). Maybe, there are some more date/time >calculations available for some special purpose. Here is a wonderful reference for all your calendrical calculations: http://www.amazon.com/exec/obidos/ISBN=0521777526/theinternationscA/ One reviewer noted, however, that this is An excellent book on the history and workings of various calendars. But don't use the source code! The licensing agreement is a trap. Use the code in GNU Emacs from the Free Software Foundation distributed under the General Public License. It does everything the authors code does (except for two obscure calendars) and it's free and always will be. Success, Tom Verhoeff

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RE: Timestamp format and calculations?
by Klaus Friis Østergaard 08 Mar '01

08 Mar '01

I have been looking at the code my self and I think I can rewrite in Pascal, so it fits to the timestamp format. Should I write the code a stand a lone lib and sent it to Frank Heckenbach/Peter Gerwinski or just to the list and then the person that maintains the GPC unit would cut and past it into the unit? Kind Regards, Klaus F. Ãstergaard -----Original Message----- From: Pernille Bech & Klaus F. Ãstergaard [mailto:farremosen@mail.tele.dk] Sent: Monday, March 05, 2001 11:29 PM To: gpc(a)gnu.de Subject: Sv: Timestamp format and calculations? I have been looking for a lib with date calculations, and found this C/PERL lib. As I don't know anything about C and how you make C work together with GPC, could some of you please look at the lib to see if it is an easier way to get more functional lib than starting all over in pascal. http://www.engelschall.com/u/sb/download/ I think this lib contains some nice routines to convert from different date/time notations, also including different languages for text name on dayes, months, converting to and from normal date and business (year week day) format ect. Hope this can help improve GPC kind regards, Klaus F. Ãstergaard ----- Original Message ----- From: Frank Heckenbach <frank(a)g-n-u.de> To: <gpc(a)gnu.de> Sent: Saturday, March 03, 2001 9:00 AM Subject: Re: Timestamp format and calculations? > Eike Lange wrote: > > > On Mon, Feb 26, 2001 at 07:04:38AM +0100, Frank Heckenbach wrote: > > > A routine to check a given date (with or without checking DayOfWeek) > > > would be nice, and I might write it someday (too busy right now), > > > but if you have such a routine to contribute, let me know... > > > > We have such in our GLib-Unit, GDateValid(...). Just wait a few days :-) > > I looked at it. But it operates on a different type (PGDate). > Converting to and from it, and linking glib is probably much more > effort than writing the function in Pascal which shouldn't take more > than a few lines. (I don't mean to put down the project, but using a > set of date/time routines that operate on yet another type (as if > there weren't more than enough already) is probably not such a good > idea unless one is porting a C program that uses glib already...) > > BTW, when I looked at the unit, I saw > `function GPOINTER_TO_INT(x : Pointer) : Integer;' at the end. > That's very dangerous. If you have to cast between pointers and > integers at all for some reason, use PtrInt or PtrCard which is > guaranteed to have the same size. On some 64 bit platforms, Integer > is still 32 bit and Pointer is 64 bit, so this routine is a sure way > to produce invalid addresses. (I don't know if glib uses `int' where > it accepts pointers, but if it does, it's not 64 bit safe, > either...) > > 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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Re: Has class become a reserved word?
by david＠tcs01.demon.co.uk 08 Mar '01

08 Mar '01

In message <5C2561AB.20010308004600.FOO-6C90.frank(a)g-n-u.de> Frank Heckenbach writes: > David James wrote: > > > I'm trying to upgrade from gpc version 19991030 to 20010306 both > > based on 2.95.2 19991024 (released). > > > > It looks as if 'class' has become a reserved word, which is > > unfortunate as it is a variable name our code uses frequently. > > > > First question: is class now reserved in some way? > > Yes (Delphi compatibility). > [snip] > > I think it's only "conditionally reserved" (like many keywords from > various dialects are). E.g., `var Class: Integer;' seems to work. > But I'm not sure in which situations it works and in which it > doesn't (optimally, in all those situations where it can't be > confused with a class type declaration). Could you post some > problematic example code? Here's about the simplest case I can come up with quickly ... test5.p ======= program test_class; type tcomp=packed record name:string[80]; class:1..15; end; var comp:tcomp; begin end. I get: test5.p:5: parse error before `Class' test5.p:5: extra semicolon > > > Third question: any thoughts on whether there any other syntax changes > > I might trip over? > > Have you checked the `News' chapter of the manual, in particular the > first section and all items marked with `(@)' (as explained there)? Yes, I've scanned it rapidly - I didn't find any mention of 'class' there (which is why I asked if there was anything else I might trip over), but I could easily have missed it. -- David James mailto:david@tcs01.demon.co.uk Special Stage Rally results archive <URL:http://www.tcs01.demon.co.uk/>

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Is there a problem with FTP on agnes?
by david＠tcs01.demon.co.uk 06 Mar '01

06 Mar '01

Is there a problem with the FTP server on agnes.dida.physik.uni-essen.de (assuming I have the name right)? I've been unable to connect to it with FTP yeterday or today. -- David James mailto:david@tcs01.demon.co.uk Special Stage Rally results archive <URL:http://www.tcs01.demon.co.uk/>

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Re: Announcement preview
by Eike Lange 05 Mar '01

05 Mar '01

Hi Folks, all stuff related to GtkUnit can be found on agnes. ftp://agnes.dida.physik.uni-essen.de/pub/home/nicola/gtkunit/ Eike

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posix calls like crypt
by jamie 04 Mar '01

04 Mar '01

Hey, Just wondering if GPC supports standard unix things like crypt() I've found GPC to be great for doing little utils under solaris, and the ability to use stuff like crypt() and chown() would be very nice. Thanks Jamie

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units
by Peter Ulrich Kruppa 04 Mar '01

04 Mar '01

Hello, here a beginner's question: Let us say I wrote two units: unit1 unit2 and there is a procedure called HelloWorld in each of them. May I call them by unit1.HelloWorld; unit2.HelloWorld; or is that not supported by gpc? What should I do in the last case? Thanks for your answer. Uli. ======================================================================= www.pukruppa.de www.2000d.de =======================================================================

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compiling gcc/gpc on AIX
by Christopher Ferrall 03 Mar '01

03 Mar '01

I have been attempting to compile gpc on AIX. I encounter this error: ld: 0711-781 ERROR: TOC overflow. TOC size: 67804 Maximum size: 65536 collect2: ld returned 12 exit status Apparently this problem is known, because gcc/p/Makefile includes: # f771 and cc1plus overflow the AIX TOC BOOT_LDFLAGS=-Wl,-bbigtoc and "-bbigtoc" is the ld option that relaxes the TOC limit. I can't find BOOT_LDFLAGS referenced anywhere below its definition. Could this be the problem? Thanks --Chris Ferrall P.S: Thank you, thank you, thank you for continuing to develop GNU Pascal. I had dreaded the thought of quitting Pascal because the demise of AIX Pascal was starting limit my work. It appears GPC might allow me to carry on - if I could get it installed.

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Gpc March 2001