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From: Stephen Leake <stephen_leake@stephe-leake.org>
Newsgroups: comp.lang.ada
Subject: Re: Disabling string evaluation in a logging system
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Date: Wed, 19 May 2010 05:04:32 -0400
Message-ID: <82bpccz2hr.fsf@stephe-leake.org>
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Date: 2010-05-19T05:04:32-04:00
List-Id: <comp.lang.ada>

dhenry <tfc.duke@gmail.com> writes:

> As Dmitry said, the log level may dynamically change. Therefore,
> inlining in order to let the compiler do the optimization doesn't
> work.

I don't follow this. Inlining is the same as writing the if-test. Given
this:

    procedure Inlined_Log (S : in string; Level : in Level_Type)
    is begin
        if Level > Global_Level then
            put (S);
        end if;
    end Inlined_Log;


then the compiler (with the right switches) should convert this:

    begin
        Inlined_Log (<expression>, A_Log_Level);
    end;

to this:

    begin
        if A_Log_Level > Global_Level then
            put (A_Log_Level);
        end if;
    end;

What is the problem?

-- 
-- Stephe