Re: Moving to an AST-based parsing/compilation process

On Tue, Sep 4, 2012 at 4:20 PM, Adam Jon Richardson <adamjonr@gmail.com> wrote: > > However, as Knuth has said, "It is often a mistake to make a priori > judgments about what parts of a program really critical, since the > universal experience of programmers who have been using measurement > tools has been that their intuitive guesses fail." > > So, I'm cautious about the premise that this will/could lead to an > overall improvement in performance compared to the current > implementation, a caution that the RFC spoke to very clearly. This is probably why the section in the RFC is so small . . . :) --- It seems to me to be a very wise decision to use an AST but good decisions carried out poorly can be more harmful than helpful. We need to do this correctly. I hope this discussion will be helpful in this regard.