[Cython] RFC: an inline_ function that dumps c/c++ code to the code emitter

[Alex S.]

Watching this thread for a long time now, and I must say I absolutely love how someone just barges in «oh just add parsing of C++ AST».
C++ is a language with an extremely complex context-dependent grammar, much more so than C. Not to mention they took to updating the standard with new awesome features every 3 or 4  years, which all seem to absolutely need their own syntactic support.
> 23 авг. 2016 г., в 8:03, Robert Bradshaw <robertwb at gmail.com> написал(а):
> 
> On Mon, Aug 22, 2016 at 9:44 PM, Robert Bradshaw <robertwb at gmail.com> wrote:
> 
>> And it would be a step back
>> for the nice auto-conversion facilities you care about, e.g.
>> 
>>    py_func(c_func(py_value))
>> 
>> would become
>> 
>>    c_value = py_value
>>    cdef some_type c_ret
>>    inline_cpp "c_ret = c_func(c_value)"
>>    py_func(c_ret)
>> 
>> It's just choosing a smaller unit (line vs. file) to swap between languages.
> 
> And on this note it would also encourage use of the Python/C API (over
> swapping "back" to Python) which is often a dangerous step backwards.
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