Baking information from shaders

Is it possible to bake textures with lighting, coloring, and shading information provided by OSL and Cycle shaders?

nope, and apparently you will have to wait long time for this, read the first SERGEY comment on this http://code.blender.org/index.php/2012/12/ao-baking-from-multires/

Aw… well that’s just nice :I. I hope Cycles gets a baking engine soon.