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Re: about Octave's syntax
by Søren Hauberg
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ons, 01 07 2009 kl. 10:16 -0400, skrev Eduardo Alejandro Cuesta Llanes:
> I need the formal Octave's syntax for make a parser... Well, you do have access to the source code, so why not just inspect the code for the actual parser? Or perhaps just use the parser instead of writing your own... Søren _______________________________________________ Help-octave mailing list Help-octave@... https://www-old.cae.wisc.edu/mailman/listinfo/help-octave |
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Re: about Octave's syntax
by Søren Hauberg
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tor, 02 07 2009 kl. 00:08 -0700, skrev Sergei Steshenko:
> --- On Wed, 7/1/09, Søren Hauberg <soren@...> wrote: > > > From: Søren Hauberg <soren@...> > > Subject: Re: about Octave's syntax > > To: "Eduardo Alejandro Cuesta Llanes" <eacuesta@...> > > Cc: help-octave@... > > Date: Wednesday, July 1, 2009, 12:44 PM > > ons, 01 07 2009 kl. 10:16 -0400, > > skrev Eduardo Alejandro Cuesta Llanes: > > > I need the formal Octave's syntax for make a > > parser... > > > > Well, you do have access to the source code, so why not > > just inspect the > > code for the actual parser? Or perhaps just use the parser > > instead of > > writing your own... > > > > Søren > > > > Or perhaps never-ever look into 'octave' source code in order to never be > accused of violating GPL ... Is that a flame-bait? I'll bite anyway... It is trivial to avoid violating the GPL: just release your code! If you somehow oppose the GPL, then I don't see why you would use Octave or why anybody here would want to help you. Søren _______________________________________________ Help-octave mailing list Help-octave@... https://www-old.cae.wisc.edu/mailman/listinfo/help-octave |
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Re: about Octave's syntax
by Jaroslav Hajek-2
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On Thu, Jul 2, 2009 at 10:29 AM, Sergei Steshenko<sergstesh@...> wrote:
> > > > --- On Thu, 7/2/09, Søren Hauberg <soren@...> wrote: > >> From: Søren Hauberg <soren@...> >> Subject: Re: about Octave's syntax >> To: "Sergei Steshenko" <sergstesh@...> >> Cc: "Eduardo Alejandro Cuesta Llanes" <eacuesta@...>, help-octave@... >> Date: Thursday, July 2, 2009, 1:20 AM >> tor, 02 07 2009 kl. 00:08 -0700, >> skrev Sergei Steshenko: >> > --- On Wed, 7/1/09, Søren Hauberg <soren@...> >> wrote: >> > >> > > From: Søren Hauberg <soren@...> >> > > Subject: Re: about Octave's syntax >> > > To: "Eduardo Alejandro Cuesta Llanes" <eacuesta@...> >> > > Cc: help-octave@... >> > > Date: Wednesday, July 1, 2009, 12:44 PM >> > > ons, 01 07 2009 kl. 10:16 -0400, >> > > skrev Eduardo Alejandro Cuesta Llanes: >> > > > I need the formal Octave's syntax for make >> a >> > > parser... >> > > >> > > Well, you do have access to the source code, so >> why not >> > > just inspect the >> > > code for the actual parser? Or perhaps just use >> the parser >> > > instead of >> > > writing your own... >> > > >> > > Søren >> > > >> > >> > Or perhaps never-ever look into 'octave' source code >> in order to never be >> > accused of violating GPL ... >> >> Is that a flame-bait? I'll bite anyway... It is trivial to >> avoid >> violating the GPL: just release your code! If you somehow >> oppose the >> GPL, then I don't see why you would use Octave or why >> anybody here would >> want to help you. >> >> Søren >> >> > > Suppose the person writes a syntax-highlighting plugin for a BSD-licensed > editor, and the person wants both the plugin and the editor to remain > BSD-licensed. > > Or not an editor, but an IDE. > IIRC, the license issues of BSD vs. GPL are fairly clear and well documented. A derivative work combining GPL and BSD must be under GPL. If you don't like it, don't make a derivative work - there are plenty of options. > > A tool that helps to use 'octave' should not necessarily be GPL'ed. And > if the tool helps to use 'octave', 'octave' benefits, doesn't it ? > Not necessarily. Merely using Octave brings no benefit. It always requires a bit more. > > Or GPL people are of the "who is not with us is against us" kind ? > Who are GPL people? > > Seriously, it's not a good thing to derive spec from code - regardless of > tool and license. > Obviously, most of the Octave language was derived from Matlab. I don't think the formal grammar for the latter was ever published. -- RNDr. Jaroslav Hajek computing expert & GNU Octave developer Aeronautical Research and Test Institute (VZLU) Prague, Czech Republic url: www.highegg.matfyz.cz _______________________________________________ Help-octave mailing list Help-octave@... https://www-old.cae.wisc.edu/mailman/listinfo/help-octave |
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Re: about Octave's syntax
by Jaroslav Hajek-2
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2009/7/2 Sergei Steshenko <sergstesh@...>:
> > > > --- On Thu, 7/2/09, Jaroslav Hajek <highegg@...> wrote: > >> From: Jaroslav Hajek <highegg@...> >> Subject: Re: about Octave's syntax >> To: "Sergei Steshenko" <sergstesh@...> >> Cc: "Søren Hauberg" <soren@...>, "Eduardo Alejandro Cuesta Llanes" <eacuesta@...>, help-octave@... >> Date: Thursday, July 2, 2009, 1:43 AM >> On Thu, Jul 2, 2009 at 10:29 AM, > > [snip] > >> IIRC, the license issues of BSD vs. GPL are fairly clear >> and well >> documented. A derivative work combining GPL and BSD must be >> under GPL. >> If you don't like it, don't make a derivative work - there >> are plenty >> of options. > > [snip] > >> >> Obviously, most of the Octave language was derived from >> Matlab. I >> don't think the formal grammar for the latter was ever >> published. >> >> -- >> RNDr. Jaroslav Hajek >> computing expert & GNU Octave developer >> Aeronautical Research and Test Institute (VZLU) >> Prague, Czech Republic >> url: www.highegg.matfyz.cz >> > > Sp, do I understand you correctly: > > 1) 'octave' is a derived work of 'matlab' - because of the language; No. > 2) anything that uses 'octave' syntax is a derived work of 'octave', and > thus should be released under GPL ? No. Please read the GPL text to find out what constitutes a derivative work. > > :-). > > That was my point - the OP maybe wanted in no way his work to be considered > to be derived works of 'ocatave'. > GPL is (relatively) clear about what derivative works are, and using a GPL software means agreeing with GPL. It's not really relevant what the OP (or anyone else) wants, beyond the point that he can choose to not use the software at all (which is only logical when one disagrees with software license). -- RNDr. Jaroslav Hajek computing expert & GNU Octave developer Aeronautical Research and Test Institute (VZLU) Prague, Czech Republic url: www.highegg.matfyz.cz _______________________________________________ Help-octave mailing list Help-octave@... https://www-old.cae.wisc.edu/mailman/listinfo/help-octave |
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Re: about Octave's syntax
by Jaroslav Hajek-2
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2009/7/2 Sergei Steshenko <sergstesh@...>:
> > > > --- On Thu, 7/2/09, Jaroslav Hajek <highegg@...> wrote: > >> From: Jaroslav Hajek <highegg@...> >> Subject: Re: about Octave's syntax >> To: "Sergei Steshenko" <sergstesh@...> >> Cc: "Søren Hauberg" <soren@...>, "Eduardo Alejandro Cuesta Llanes" <eacuesta@...>, help-octave@... >> Date: Thursday, July 2, 2009, 2:02 AM >> 2009/7/2 Sergei Steshenko <sergstesh@...>: >> > >> > >> > >> > --- On Thu, 7/2/09, Jaroslav Hajek <highegg@...> >> wrote: >> > >> >> From: Jaroslav Hajek <highegg@...> >> >> Subject: Re: about Octave's syntax >> >> To: "Sergei Steshenko" <sergstesh@...> >> >> Cc: "Søren Hauberg" <soren@...>, >> "Eduardo Alejandro Cuesta Llanes" <eacuesta@...>, >> help-octave@... >> >> Date: Thursday, July 2, 2009, 1:43 AM >> >> On Thu, Jul 2, 2009 at 10:29 AM, >> > >> > [snip] >> > >> >> IIRC, the license issues of BSD vs. GPL are fairly >> clear >> >> and well >> >> documented. A derivative work combining GPL and >> BSD must be >> >> under GPL. >> >> If you don't like it, don't make a derivative work >> - there >> >> are plenty >> >> of options. >> > >> > [snip] >> > >> >> >> >> Obviously, most of the Octave language was derived >> from >> >> Matlab. I >> >> don't think the formal grammar for the latter was >> ever >> >> published. >> >> >> >> -- >> >> RNDr. Jaroslav Hajek >> >> computing expert & GNU Octave developer >> >> Aeronautical Research and Test Institute (VZLU) >> >> Prague, Czech Republic >> >> url: www.highegg.matfyz.cz >> >> >> > >> > Sp, do I understand you correctly: >> > >> > 1) 'octave' is a derived work of 'matlab' - because of >> the language; >> >> No. >> >> > 2) anything that uses 'octave' syntax is a derived >> work of 'octave', and >> > thus should be released under GPL ? >> >> No. >> >> Please read the GPL text to find out what constitutes a >> derivative work. >> >> > >> > :-). >> > >> > That was my point - the OP maybe wanted in no way his >> work to be considered >> > to be derived works of 'ocatave'. >> > >> >> GPL is (relatively) clear about what derivative works are, >> and using a >> GPL software means agreeing with GPL. It's not really >> relevant what >> the OP (or anyone else) wants, beyond the point that he can >> choose to >> not use the software at all (which is only logical when one >> disagrees >> with software license). >> >> -- >> RNDr. Jaroslav Hajek >> computing expert & GNU Octave developer >> Aeronautical Research and Test Institute (VZLU) >> Prague, Czech Republic >> url: www.highegg.matfyz.cz >> > > I think the most logical thing (and OP did it) is to ask a question first. In fact, he didn't. At least I don't see one. All I see is a request "I need the formal grammar" and I already answered that I don't think such a thing exists. > > Presence of separate from code language spec/grammar allows (in many cases) > to write a parser under any license. > So what? The same is true if you write the parser using Octave source code as a reference. What you can't do is to copy (or you must use GPL), but merely learning how the code works and what it does is your essential freedom, one that GPL protects, and exercising this freedom does imply any obligations for you. regards -- RNDr. Jaroslav Hajek computing expert & GNU Octave developer Aeronautical Research and Test Institute (VZLU) Prague, Czech Republic url: www.highegg.matfyz.cz _______________________________________________ Help-octave mailing list Help-octave@... https://www-old.cae.wisc.edu/mailman/listinfo/help-octave |
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