Writing a JFlex lexer for D - have an issue with cycles

[Chris Wright via Digitalmars-d]

On Mon, 23 Jan 2017 00:46:30 +0000, Profile Anaysis wrote:
> But this is ok because parsers are recursive in nature, so you just have
> to have your rule be able to terminate in a logical way.

Except it's part of the lexer, and most people (such as those creating the 
JFlex lexer generator) assume that no lexer needs to be recursive.