On Dec 6, 2008, at 4:47 PM, ats wrote:
Hello,
This is my first posting to a Python group (and I'm starting with
Python seriously only now) , so bear with me if I make some mistakes.
I want to generate 3 different versions of a C++ source code,
basically injecting different flavours of inline assembler depending
on target compiler/CPU.
Code generation should be integrated into a 'master source file' which
is the processed and generates the right code for GCC / MSVC or other
cases. Something like:
int FastAdd( int t1, int t2 ){
int r;
##if USE_INLINE_ASM
#ARG( eax, "t1")
#ARG( ebx, "t2")
#ASM( "add", ebx, eax )
#RES( eax, "r" )
##else
r = t1+t2;
##endif
return r;
}
On processing, given constant USE_INLINE_ASM (or not) the right code
is generated to a target file, which goes into the build process.
I was looking for packages that can do this and came up with some
candidates:
- "empy" - http://www.alcyone.com/pyos/empy/ - It looks like it could
do the job, but appears non-maintained since 2003.
- "Cheetah" - Looks like more of a tool to do fix replacements of code
snippets.
There is some logic going on in the "ARG", "ASM" and "RES" sections,
so I need to link code generation with true Python functions.
Hi Arne,
There are *lots* of packages for Python that replace chunks of
predefined templates. Most are HTML-focused, some more so than others.
I've used Mako (http://www.makotemplates.org/) to generate both HTML
and Apache config files. It could certainly do C++. Some alternatives
to Mako are mentioned in the documentation -- Kid, Genshi and Cheetah.
Rather than invite a flame war as to which is a better templating
engine, I'll just say that I'm happy with how Mako addresses *my*
needs. =) Good luck finding something that addresses yours.
Cheers
Philip
The situation is really quite similar to HTML/PHP except, here we
would have C++/Python.
Any suggestions?
Thanks,
//Arne S.
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