On Tue, Jul 13, 2010 at 1:22 AM, Carsten Haitzler <ras...@rasterman.com> wrote:
> On Mon, 12 Jul 2010 21:10:21 -0300 Gustavo Sverzut Barbieri
> <barbi...@profusion.mobi> said:
>
> but geneet requires i define my struct in 1 place, and then separately keep a
> geneet description file in sync with that struct. it also doesn't help solve
> the "free this for me" code generation too. sure - not a problem in python, 
> but
> in c it is. geneet sounds to me like something that only really benefits
> python. for c it makes no real big difference. you still now have 1 place to
> define struct, 1 to define the edd (be it geneet file or boilerplate code
> possibly made shorter with macros) and another to free it.

Actually we don't have Python-EET, as EET is useless from Python given
it already provide transparent serialization using pickle protocol.
But we could generate the same model in different languages, that's
what Leandro said, we can generate SQL databases and like if required,
or convert between them, etc.  IE: one of our internal projects
requires a remote (python+sql) and local (eet) data, we could generate
lots of the code based on this description.

The free this for me can happen for what is described, you can also
asks for callbacks to be defined in user code, like "my_data" ->
"my_data_free()" calls "my_data_free_user()" function, that is defined
by user.   The generated C source can be included our even linked,
depending on what you wish.

And you don't/shouldn't have to touch the generated files, they are
declared as BUILT_SOURCES in automake.


> so... as a tool its usefulness just became rather moot for eet itself as it 
> has
> no use for the api that eet itself offers (a c/c++ api). if you stick this in
> the python bindings for eet - sure. it has a use there.

there are and likely there will not be any python-eet.

I don't see how define this in a C header would be better. Okay, in
theory you don't need to learn the syntax, but you need to learn the
syntax in the comments. And you have lots of possible errors to handle
you'd not have in the other, like nested structs, possible macros,
typedefs, ...

As an example, in most of other projects people handle this with
external files usually named ".idl", which are processed and generates
the boring C code. WebKit uses that to generate most of javascript
objects, etc. Other examples are gperf, that uses another format for
their description instead of hacking into own c-like, etc.

-- 
Gustavo Sverzut Barbieri
http://profusion.mobi embedded systems
--------------------------------------
MSN: barbi...@gmail.com
Skype: gsbarbieri
Mobile: +55 (19) 9225-2202

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