Ganesh, it's not 100% clear (at least to me) what you want to do. The main question is, do you know the expression you want to evaluate at compile-time, or run-time? If it's compile-time, you can use compile-time expression templates, like this: http://www.ddj.com/cpp/184401627 If you're expression is constructed at run-time, it's more difficult and you get into things like expression tree traversal and bytecode generation. Some of the serious C++ template experts might be able to offer some further advice. Damien Borse, Ganesh wrote:
Hi, You recommended checking the "expression templates". However, expression templates (xpressive) provides the means of parsing the input expressions in to tokens. It does not have the support for evaluating these expressions. --- please correct me if I'm wrong. Thanks, Ganesh __________