Re: C preprocessor

[Hans Åberg]

> On 13 Aug 2020, at 07:49, Giacinto Cifelli <gciofono@gmail.com> wrote:
> 
> I am wondering if it is possible to interpret a c-preprocessor (the second
> preprocessor, not the one expanding trigrams and removing "\\\n") or an m4
> grammar through bison, and in case if it has already been done.
> I think  this kind of tool does not produce a type-2 Chomsky grammar,
> rather a type-1 or even type-0.
> Any idea how to build something like an AST from it?

There is a Yaccable C-grammar:
  http://www.quut.com/c/ANSI-C-grammar-y.html