Re: [Boost-build] BJamC++ progress

From: David Abrahams (dave_at_[hidden])
Date: 2006-05-21 13:14:13

Alex Besogonov <cyberax_at_[hidden]> writes:

> Good <time-of-day>!
>
> Several people asked me in private mail to post the status of BJamC++ 
> port to this list. So I'm going to post BJamC++ status every Sunday if 
> nobody minds this.
>
> Current status:
>
> - JAM parser is complete (it can correctly parse all Boost.Build 
> jamfiles). Parser now produces nice AST tree.
>
> - Interpreter core:
> 	* all flow-control operators (if, for, while, switch, rule) work.
> 	* variable expansion almost works (no support for path operations).
> 	* pluggable rule support is finished, it's possible to load rules from external DLLs.

Neat, but Python integration might make that less important.

> 	* TODO: modules and classes support.
>
> - Make engine:
> 	* TODO

This'll be a challenge.

> - Built-in rules:
> 	* TODO (only ECHO rule is present).
>
> - Test suite:
> 	* Current test suite doesn't cover all corner cases. BJamC++ release 
> should have something like 95% code coverage.
>
> Right now I'm working on test harness for performance-monitoring. Right 
> now BJamC++ is faster (and doesn't leak memory) than BJam and I intend 
> to keep it that way :)

When you started this project, I was not sure it was such a great
idea: after all, there's value in using super-portable 'C' for
something as fundamental as the tool that builds all your C++ code.
But I have to admit, I'm excited :)

-- 
Dave Abrahams
Boost Consulting
www.boost-consulting.com