vala: vala - a compiler for the GObject type system vala: vala: Vala is a new programming language that aims to bring modern vala: programming language features to GNOME developers without imposing any vala: additional runtime requirements and without using a different ABI vala: compared to applications and libraries written in C. vala: valac, the Vala compiler, is a self-hosting compiler that translates vala: Vala source code into C source and header files. It uses the GObject vala: type system to create classes and interfaces declared in the Vala vala: source code. vala: