Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-15 Thread Jürg Billeter
On Thu, 2010-07-15 at 10:01 +0200, JM wrote:
> Congratulations for this release! 
> Can you explain the new GBoxed-based memory management in vala? 
> I know GBoxed is a generic wrapper for C structures, that only needs
> copy and free functions. And I know that in vala a type get's boxed when
> you use the '?' operator, like in 'string? s = null;'. 
> So what is new for the user? Or is this just for bindings?

This is just for bindings, especially bindings generated from .gir files
as they do not contain information about copy/free functions.

Regards,
Jürg

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Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-15 Thread Abderrahim Kitouni
Hi,
  في خ، 15-07-2010 عند 10:01 +0200 ، كتب JM:
> Congratulations for this release! 
> Can you explain the new GBoxed-based memory management in vala? 
> I know GBoxed is a generic wrapper for C structures, that only needs
> copy and free functions.
AFAICT (correct me if I'm wrong), it allows compact classes to be copied
automatically. Compact classes were not copied unless they are
[Immutable] (e.g. string) or a copy method is explicitly called.
>  And I know that in vala a type get's boxed when
> you use the '?' operator, like in 'string? s = null;'. 
This is only true for value types (e.g. structs and simple types), for
classes the ? operator only means it can be null.

HTH,
Abderrahim

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Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-15 Thread Andrés G. Aragoneses
El 15/07/10 00:02, Bob Hazard escribió:
> Woo hoo nearly 1.0!  Make sure you leave enough room.  Enlightenment
> 17 is at version 0.16.999.49898 and I believe the kernel started using
> letters :)

Hey Bob. I would say, that the next vala release can perfectly be
0.10.0. Thus, the closeness to 1.0 is kind of subjective ;)

  Andres

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Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-15 Thread JM
Congratulations for this release! 
Can you explain the new GBoxed-based memory management in vala? 
I know GBoxed is a generic wrapper for C structures, that only needs
copy and free functions. And I know that in vala a type get's boxed when
you use the '?' operator, like in 'string? s = null;'. 
So what is new for the user? Or is this just for bindings?
best regards
Jörn








> We are pleased to announce version 0.9.3 of Vala, a compiler for the
> GObject type system.
> 
> Vala 0.9.3 is now available for download at:
>http://download.gnome.org/sources/vala/0.9/
> 
> Changes since 0.9.2
>  * Support newlines in double quoted string literals.
>  * Add experimental support for main blocks.
>  * Add experimental vala tool to compile and run code.
>  * Initial support for generic delegates.
>  * Support using GClosure for delegate parameters.
>  * Support GBoxed-based memory management.
>  * Improvements to the .gir reader and writer.
>  * Various improvements to the Dova profile.
>  * Many bug fixes and binding updates.
> 
> Vala is a new programming language that aims to bring modern programming
> language features to GNOME developers without imposing any additional
> runtime requirements and without using a different ABI compared to
> applications and libraries written in C.
> 
> valac, the Vala compiler, is a self-hosting compiler that translates
> Vala source code into C source and header files. It uses the GObject
> type system to create classes and interfaces declared in the Vala source
> code.
> 
> The syntax of Vala is similar to C#, modified to better fit the GObject
> type system. Vala supports modern language features as the following:
> 
> * Interfaces
> * Properties
> * Signals
> * Foreach
> * Lambda expressions
> * Type inference for local variables
> * Generics
> * Non-null types
> * Assisted memory management
> * Exception handling
> 
> Vala is designed to allow access to existing C libraries, especially
> GObject-based libraries, without the need for runtime bindings. All that
> is needed to use a library with Vala is an API file, containing the class
> and method declarations in Vala syntax. Vala currently comes with
> bindings for GLib and GTK+. It's planned to provide generated bindings for
> the full GNOME Platform at a later stage.
> 
> Using classes and methods written in Vala from an application written in
> C is not difficult. The Vala library only has to install the generated
> header files and C applications may then access the GObject-based API of
> the Vala library as usual. It should also be easily possible to write a
> bindings generator for access to Vala libraries from applications
> written in e.g. C# as the Vala parser is written as a library, so that
> all compile-time information is available when generating a binding.
> 
> More information about Vala is available at
> 
> http://live.gnome.org/Vala
> 
> 
> Jürg Billeter
> 
> ___
> vala-list mailing list
> vala-list@gnome.org
> http://mail.gnome.org/mailman/listinfo/vala-list


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Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-14 Thread Luca Bruno
On Wed, Jul 14, 2010 at 10:06:11PM -0500, Sandino Flores Moreno wrote:
> Congrats!
> 
> But... what is a main block?

A sort of implicit main(), for scripts you can do something like:

print("test");

And then run the program by vala yourprogram.vala.

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Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-14 Thread Sandino Flores Moreno
Congrats!

But... what is a main block?

On Wed, Jul 14, 2010 at 2:14 PM, Jürg Billeter  wrote:
> We are pleased to announce version 0.9.3 of Vala, a compiler for the
> GObject type system.
>
> Vala 0.9.3 is now available for download at:
>   http://download.gnome.org/sources/vala/0.9/
>
> Changes since 0.9.2
>  * Support newlines in double quoted string literals.
>  * Add experimental support for main blocks.
>  * Add experimental vala tool to compile and run code.
>  * Initial support for generic delegates.
>  * Support using GClosure for delegate parameters.
>  * Support GBoxed-based memory management.
>  * Improvements to the .gir reader and writer.
>  * Various improvements to the Dova profile.
>  * Many bug fixes and binding updates.
>
> Vala is a new programming language that aims to bring modern programming
> language features to GNOME developers without imposing any additional
> runtime requirements and without using a different ABI compared to
> applications and libraries written in C.
>
> valac, the Vala compiler, is a self-hosting compiler that translates
> Vala source code into C source and header files. It uses the GObject
> type system to create classes and interfaces declared in the Vala source
> code.
>
> The syntax of Vala is similar to C#, modified to better fit the GObject
> type system. Vala supports modern language features as the following:
>
>        * Interfaces
>        * Properties
>        * Signals
>        * Foreach
>        * Lambda expressions
>        * Type inference for local variables
>        * Generics
>        * Non-null types
>        * Assisted memory management
>        * Exception handling
>
> Vala is designed to allow access to existing C libraries, especially
> GObject-based libraries, without the need for runtime bindings. All that
> is needed to use a library with Vala is an API file, containing the class
> and method declarations in Vala syntax. Vala currently comes with
> bindings for GLib and GTK+. It's planned to provide generated bindings for
> the full GNOME Platform at a later stage.
>
> Using classes and methods written in Vala from an application written in
> C is not difficult. The Vala library only has to install the generated
> header files and C applications may then access the GObject-based API of
> the Vala library as usual. It should also be easily possible to write a
> bindings generator for access to Vala libraries from applications
> written in e.g. C# as the Vala parser is written as a library, so that
> all compile-time information is available when generating a binding.
>
> More information about Vala is available at
>
>        http://live.gnome.org/Vala
>
>
> Jürg Billeter
>
> ___
> vala-list mailing list
> vala-list@gnome.org
> http://mail.gnome.org/mailman/listinfo/vala-list
>
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Re: [Vala] [ANNOUNCE] Vala 0.9.3 - Compiler for the GObject type system

2010-07-14 Thread Bob Hazard
Woo hoo nearly 1.0!  Make sure you leave enough room.  Enlightenment
17 is at version 0.16.999.49898 and I believe the kernel started using
letters :)
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