Sergei Lodyagin writes: > Are there such tools ? Yep. There is aflex/ayacc or Ted Denisson OpenToken. http://www.telepath.com/dennison/Ted/OpenToken/OpenToken.html I don't have aflex/ayacc pointer at hand. Pascal. -- --|------------------------------------------------------ --| Pascal Obry Team-Ada Member --| 45, rue Gabriel Peri - 78114 Magny Les Hameaux FRANCE --|------------------------------------------------------ --| http://perso.wanadoo.fr/pascal.obry --| --| "The best way to travel is by means of imagination"