[Vala] [ANNOUNCE] Vala 0.8.0 - Compiler for the GObject type system
- From: Jürg Billeter <j bitron ch>
- To: vala-list gnome org
- Cc: gnome-announce-list gnome org
- Subject: [Vala] [ANNOUNCE] Vala 0.8.0 - Compiler for the GObject type system
- Date: Wed, 31 Mar 2010 23:00:06 +0200
We are pleased to announce version 0.8.0 of Vala, a compiler for the
GObject type system.
Vala 0.8.0 is now available for download at:
Changes since 0.7.10
* Infer type arguments when calling generic methods.
* Support `in' operator for arrays.
* Add experimental support for regular expression literals.
* Add experimental support for chained relational expressions.
* Add va_list support.
* Add clutter-gtk-0.10 bindings (Gordon Allott).
* Add gdl-1.0 bindings (Nicolas Joseph).
* Add gstreamer-app-0.10 bindings (Sebastian Dröge).
* Add gstreamer-cdda-0.10 bindings (Sebastian Dröge).
* Add gudev-1.0 bindings (Jim Nelson).
* Add libgda-report-4.0 bindings (Shawn Ferris).
* Add libgvc (graphviz) bindings (Martin Olsson).
* Add purple bindings (Adrien Bustany).
* 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
The syntax of Vala is similar to C#, modified to better fit the GObject
type system. Vala supports modern language features as the following:
* Lambda expressions
* Type inference for local variables
* 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
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