[erlang-questions] concurrency developments

Richard Carlsson richardc@REDACTED
Thu Jan 17 12:38:55 CET 2008

This page has the most up-to-date Core Erlang specification,
and some info on how to compile to/from Core source code:


The Core Erlang representation is an important intermediate
step for the BEAM compiler, and the HiPE compiler can generate
native code directly from Core Erlang as well as from BEAM.


Robert Virding wrote:
> On 16/01/2008, *Bob Calco* <bobcalco@REDACTED 
> <mailto:bobcalco@REDACTED>> wrote:
>     I have recently decided to experiment writing a Ruby-like front end
>     to Erlang, code named Emerld, which would generate Erlang code that
>     would then be compiled (at least until I can learn the BEAM file
>     format well enough to generate it directly). It could theoretically
>     be retargeted to .NET or Java when either of the two got their act
>     together for concurrency. That seems to me more a matter of when
>     than if. Until then though I have committed myself to mastering
>     Erlang, because I think it will give me a huge competitive edge in
>     the new multi-core world we live in as a software designer and
>     architect.
> If you are going to compile down to something other than straight Erlang 
> then the best target is Core erlang. It a pure relatively simple and 
> standard functional language which is used inside the compiler. The AST 
> is defined by a set of records and there are tools to read/check/print 
> it. As far as I know there is nothing *legal* you can do in the BEAM 
> code which you can't do in Core. Also you have the benefit of not being 
> forced to modify your compiler as the BEAM engine is improved. If I 
> remember correctly HIPA also uses Core for one pass in its compiler. 
> Someone who knows can comment.
> This is what I am doing for my LISP front-end to Erlang. Soon to be ready.
> Robert
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