Root Node of AST

[James E Wilson]

Rajesh Babu wrote:
> I am working with gcc-3.3.3, and I want to insert my module after 
> construction of AST and before RTL generation.

gcc-3.3 is not interesting for work like this.  This stuff has already 
been obsoleted in current gcc sources.  But if you insist on using out 
dated sources, look at expand_expr.  Or start with the c_expand_body 
statement called from finish_function.
-- 
Jim Wilson, GNU Tools Support, http://www.SpecifixInc.com