Re: Putting C++ code into gcc front end

[Dale Johannesen <dalej@apple.com>]

On Tuesday, March 4, 2003, at 04:45  AM, Nathan Sidwell wrote:
> Richard Earnshaw wrote:
>
>> Could the C++ front end be modified to make it compilable with any C 
>> compiler (ignoring for the moment that parts of the C++ front end are 
>> now written in ISO c90).  That is, how many gnu extensions are used, 
>> and can they be easily removed?
> a quick compile with -pedantic shows,
> char bitfields such as
> 1 cp-tree.h: unsigned char is_lang_type_class : 1;. Making this an int 
> would
>   enlarge that structure.
> 2 the tree checking stuff uses '({ ...})', but only when compiled with 
> GCC
> 3 decl.c: (cond_expr) = value
>   this hides inside things like 'current_binding_level = newlevel;'
> 4 some minor syntactic things that have crept in (extra ',', ';')

If you really want to be compliant, all external names have to be unique
within 6 characters, case-insensitive (3.1.2).  Somehow I doubt that's 
going to happen.