[erlang-questions] Getting code from closures

Anthony Ramine <>
Tue Dec 3 13:30:51 CET 2013


No there isn’t.

Why do you need that, out of curiosity?

-- 
Anthony Ramine

Le 3 déc. 2013 à 13:14, Thomas Lindgren <> a écrit :

> Hi guys,
> 
> Before I start hacking on something, I thought I'd ask whether there already is a standard way to get the original code from a compiled fun/closure. (I know you can get it for interpreted funs by using fun_info.)
> 
> E.g., for code like this:
> 
> -module(a). 
> -compile(export_all).
> adder(N) -> fun(X) X+N end.
> 
> I'd like to be able to write something like this:
> 
> > c(a), F = a:adder(3), magic:get_code(F).
> {fun, 0, [{clause, 0, [{var, 0, 'X'}], [], [{op, '+', {var, 0,'X'},{var,0,'N'}}]}], [{'N', 3}]}  %% AST of fun F with free var env
> 
> Or the equivalent.
> 
> Best,
> Thomas
> 
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