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From: Luke A. Guest <laguest@archeia.com>
Newsgroups: comp.lang.ada
Subject: Re: Any Suggestion How To Accomplish A Debug Macro?
Date: Wed, 31 Dec 2014 00:15:47 +0000 (UTC)
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Date: 2014-12-31T00:15:47+00:00
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Brad Moore <brad.moore@shaw.ca> wrote:
> On 14-12-30 04:14 AM, Simon Wright wrote:
>> Hubert <herrdoktor@fumanchu.com> writes:

> This works in GNAT, and might work in other compilers as well. Worst case
> is that the Debug_Enabled boolean get evaluated in multiple places, but
> that overhead of evaluating a Boolean might still be acceptable for a
> compiler that doesn't do dead code elimination.

Not strictly true as the compiler should see the "if var = true then" and
remove the if in dead code elimination leaving the contents of the if
statement. When the if statement is false (statically) the entire statement
can be eliminated.