Re: [Vala] [ANNOUNCE] Vala 0.5.3 - Compiler for the GObject type system
- From: "Barry Kauler" <bkauler gmail com>
- To: vala-list gnome org
- Subject: Re: [Vala] [ANNOUNCE] Vala 0.5.3 - Compiler for the GObject type system
- Date: Sun, 21 Dec 2008 07:57:33 +0800
* Register structs as boxed types.
This must be a good thing, but what does it mean in practical terms?
I mean, I haven't got a clue what a "boxed type" is and how that changes
how we use structs in Vala/Genie.
Is there documentation anywhere?
Will Genie have to be updated also?
Regards,
Barry Kauler
On 12/18/08, Ali Sabil <ali sabil gmail com> wrote:
Congrats :) Another step forward toward world domination !
On Tue, Dec 16, 2008 at 11:49 PM, Jürg Billeter <j bitron ch> wrote:
We are pleased to announce version 0.5.3 of Vala, a compiler for the
GObject type system.
Vala 0.5.3 is now available for download at:
http://download.gnome.org/sources/vala/0.5/
Changes since 0.5.2
* Rewrite D-Bus server support to directly use libdbus.
* Register structs as boxed types.
* Improve error reporting on invalid code.
* Support private class fields and class destructors.
* Add partial raptor and rasqal bindings.
* Drop vala-gen-project, moved to vtg.
* Many bug fixes.
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
The Vala Team
Jürg Billeter and Raffaele Sandrini
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