Playing around with antlr 3.5

Simple calculator written using antlr 3.5 version.
Could calc following expressions:
(1+3) - 8 * ( (-2+4) + 11 ) * 9 

Using Eclipse gallileo + antlr3.5 since was unable to make latest Eclipse + antlr 4.0 working together.

Useful urls:

http://antlrv3ide.sourceforge.net/
http://habrahabr.ru/post/110710/
https://vimeo.com/8015802
https://vimeo.com/8001326