Re: erl-complete ...

Matthias Radestock <[email protected]> writes:

> Pierre Radermecker wrote:
>> I am wondering why some completions do not seem to work. For instance "math:"
>> only gives pi(). None of the functions in the erlang module seems to
>> complete(list_to, is_, ...)
>
> This is not distel's fault. There is something odd about these modules; 
> xref cannot see much in them either:
>
> (x@h)2> xref:start(foo, {xref_mode, modules}).
> {ok,<0.158.0>}
> (x@h)3> xref:add_release(foo, code:lib_dir(), {name, otp}).
> ok
> (x@h)4> xref:q(foo, 'X * math:_/_').
> {ok,[{math,pi,0}]}
> (x@h)6> xref:q(foo, 'X * erlang:"list_to.*"/_').
> {ok,[{erlang,list_to_integer,2}]}
> (x@h)7> xref:q(foo, 'X * erlang:"is_.*"/_').
> {ok,[]}

Probably because they're BIF's that are implemented in C rather than
Erlang:

(emacs@bc)7> erl_bifs:is_bif(math, pi, 0).
false
(emacs@bc)8> erl_bifs:is_bif(math, sin, 1).
true

Do a "M-." on "math:pi()" and you'll see that it's the only function
in the source file.

- Bill


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