Re: rendez-vous underlying mechanism

["David C. Hoos, Sr." <david.c.hoos.sr@ada95.com>]

When building a program with older versions of GNAT, you
would get a C file produced by the gnatbind step.  E.g.,
if your main program was in hello.adb, the file produced
would be named b_hello.c

If you built with the -g option, the C file and its object
would be retained -- if not, they were deleted.

But, know also, that in such a case, there would be both
a hello.o and a b_hello.o file in your directory.

In more recent versions of GNAT, the bind file can be
generated in either Ada or C (the default is Ada).  In
the case of Ada bind files, there is both a spec and a body,
files named b~hello.ads, and b~hello.adb, for a hello.adb
main program.

All of this is thoroughly documented in the GNAT User's
Guide, along with an explanation of the content and purpose
of these files.

I have been using GNAT since 3.04, and at no time ever
was any Ada code translated to C, by any of these versions.

----- Original Message ----- 
From: "Adrian Hoe" <mailbox@*nospam*adrianhoe.com>
Newsgroups: comp.lang.ada
To: <comp.lang.ada@ada.eu.org>
Sent: March 26, 2002 4:17 AM
Subject: Re: rendez-vous underlying mechanism


> Simon Wright wrote:
> > 
> > Adrian Hoe <mailbox@*nospam*adrianhoe.com> writes:
> > 
> > > Why C? Ada allows you to define tasks explicitly compare to C. GNAT
> > > is actually "translating" Ada to C. So, you can use GNAT to generate
> > > C code and then examine it. I can't actually remember how to have
> > > the C translation. I had it once some time ago after an incomplete
> > > installation of GNAT. :)
> > 
> > Very mysterious, GNAT has never translated to C. You can see the
> > _assembler_ output using -S (like most? all? GCC compilers).
> > 
> > If you are using GNAT, why not look at the RTS source? (mostly in Ada).
> 
> 
> Strange. I got a C file somehow produced by GNAT which I did not
> properly installed. It was 3.10 if I remember correctly. At that time I
> was just trying to compile a simple "Hello World" program. My memory
> could serve me wrong but I am damned sure I got a C source file in my
> test directory which contained only an .adb file.
> -- 
> Remove *nospam* to e-mail me.          -- Adrian Hoe
>                                        -- http://adrianhoe.com
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