Where to get lex.l for GNU C++

[Neil Booth]

?? ?? wrote:-

> I want to build an independent lexical analyzer and syntax analyzer for GNU 
> C++.
> I find parse.y in gcc/cpp which contains syntax of GNU C++, but there is no 
> lex.l in it.
> Where can I get it?
> Must I write a lexical analyzer from scratch?

Yes.  If you want to have identical lexical rules and warnings to GCC,
I suspect you'll find it hard to impossible with automatically generated
analyzers.

Neil.