Re: Third party compiler middle and back-end

"Mike Playle" <usenet@vfx.org.uk> wrote in message
> On 09/10/10 03:57, Daniel Zazula wrote:
>> I want to write a compiler that generates assembly, but I do not know
>> assembly, I've already started studying the FASM, but it will take
>> much time to learn everything I need to know in order to write a
>> decent back-end.
> [...]
>> Any suggestions?
>
> LLVM. http://llvm.org/
>
> Their "how to implement a language" tutorial might be of interest:
>
> http://llvm.org/docs/tutorial/LangImpl1.html


LLVM is huge: some 40 or 50 documentation sets of reference manuals
and user guides.


I clicked on your link, hoping to find a simple approach, and on the
very first page I was immediately confused as to whether the code in
boxes was the language they are compiling, or the implementation code
(which looked like C++).


(This tutorial also gets complicated quite rapidly, and it's not even
clear until the end just how much of a toy language it is that they
are compiling.)


So LLVM is not for everybody; some people prefer tools on a much
smaller scale, don't like C++, or have a project with unusual
requirements (and I qualify on all three...)


--
Bartc

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