[erlang-bugs] module_info function of pman doesn't work. (call to tuple fun)

Björn Gustavsson <>
Wed Feb 13 15:29:41 CET 2013


On Tue, Feb 12, 2013 at 10:43 AM, Kyungho Yun <> wrote:

> Hi all.
>
> Problem
> =======
> module_info function of pman doesn't work.
>
> To reproduce
> ============
> 1. pman:start() on erlang shell.
> 2. select a process in Pman window.
> 3. Select View menu.
> 4. Select module_info.
> 5. You can see error message instead of the module infomation.
>
> Thanks, will fix.

>
> similar codes:
>   lib/tools/src/fprof.erl
>   90:apply({M, F}, Args)
>   101:apply({M, F}, Args, Options)
>
> It is a function definition for fprof:apply/2, not a
call to apply/2. Not a bug.



>   lib/tools/test/xref_SUITE_data/read/read.erl
>   81:    apply({a,b},[1005]),
>   82:    apply({a,A},[1005]), % {a,'$F_EXPR',1}
>
> This is testdata for the test suite. I am not an
export on Xref, but I don't think Xref tries to
distinguish calls that will suceed from calls that
will fail.



>   lib/pman/src/pman_win.erl
>   549:    vformat("", catch apply({ModuleName, module_info},[])).
>
> That is the cause of the bug you reported above.


>   lib/sasl/src/si_sasl_supp.erl
>   363:        case catch apply({Module, Func}, [Opt, Data]) of
>
> Will fix.

/Bjorn
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