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Groups > comp.lang.forth > #26753
| From | "Ed" <invalid@invalid.com> |
|---|---|
| Newsgroups | comp.lang.forth |
| Subject | Re: ABORT" ABORT QUIT THROW and all that |
| Date | 2013-10-30 12:01 +1100 |
| Organization | Aioe.org NNTP Server |
| Message-ID | <l4plrb$dtf$1@speranza.aioe.org> (permalink) |
| References | <526e62cf$0$1670$e4fe514c@dreader35.news.xs4all.nl> <l4nfhr$p8j$1@speranza.aioe.org> <l4olj5$u2n$2@online.de> |
Bernd Paysan wrote: > Ed wrote: > > > Albert van der Horst wrote: > >> ... > >> It seems to be a bit of a missnomer. It is *not* an > >> ABORT adorned with a message. All ABORT" signify situations > >> where I want to give the user a second chance, after he > >> has seen the message. > >> In other words a ABORT" is bound to be caught, not abort. > >> Fortunately the standard defines ABORT" as a THROW with > >> a special code. > > > > Left uncaught, ABORT" is required to execute ABORT which > > in turn executes QUIT. It is my understanding that if caught, > > ABORT" will *not* print the message associated with it. > > ABORT" throws -2 (see 9.6.2.0680). Thus it can be distinguished from ABORT, > and the standard says that the message ccc should be displayed if there is > no corresponding CATCH. > > : test true abort" blabla" ; ok > test > :2: blabla > >>>test<<< > Backtrace: > $7F445C4E6320 throw > $7F445C550E38 c(abort") I don't suggest otherwise. IIUC, Albert wants ABORT" to print the message if flag is non-zero after which he can choose to catch the exception (?) AFAIK, ANS ABORT" doesn't permit this.
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ABORT" ABORT QUIT THROW and all that albert@spenarnc.xs4all.nl (Albert van der Horst) - 2013-10-28 13:12 +0000
Re: ABORT" ABORT QUIT THROW and all that "Ed" <invalid@invalid.com> - 2013-10-29 16:01 +1100
Re: ABORT" ABORT QUIT THROW and all that Bernd Paysan <bernd.paysan@gmx.de> - 2013-10-29 16:52 +0100
Re: ABORT" ABORT QUIT THROW and all that "Ed" <invalid@invalid.com> - 2013-10-30 12:01 +1100
Re: ABORT" ABORT QUIT THROW and all that "Ed" <invalid@invalid.com> - 2013-11-02 12:55 +1100
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