New implementation of re module

[MRAB]

Wolfgang Rohdewald wrote:
> On Thursday 30 July 2009, MRAB wrote:
>> There are other lines which are similar, eg line 1487. Do they all
>> give the same/similar error with your compiler?
> 
> yes. The full output with gcc-4.3:
> 
> 
> notebook:~/kmj/src$ LANG=C python setup.py  build
> running build
> running build_py
> running build_ext
> building '_regex' extension
> gcc -pthread -fno-strict-aliasing -DNDEBUG -g -fwrapv -O2 -Wall -
> Wstrict-prototypes -fPIC -I/usr/include/python2.6 -c _regex.c -o 
> build/temp.linux-i686-2.6/_regex.o
> _regex.c: In function 'bmatch_context':
> _regex.c:1462: error: lvalue required as increment operand
[snip]
> error: command 'gcc' failed with exit status 1
> 
So it complains about:

     ++(RE_CHAR*)context->text_ptr

but not about:

     ++info->repeat.count

Does this mean that the gcc compiler thinks that the cast makes it an
rvalue? I'm using Visual C++ 2008 Express Edition, which doesn't
complain. What does the C standard say?