From: red floyd <no.spam@here.dude>
Subject: Re: calling an ada procedure from C++
Date: Mon, 17 Nov 2003 04:04:03 GMT
Date: 2003-11-17T04:04:03+00:00 [thread overview]
Message-ID: <TMXtb.1284$iN5.362@newssvr13.news.prodigy.com> (raw)
In-Reply-To: <3fb24ce4$1@baen1673807.greenlnk.net>
Anthony Moss wrote:
> I have an ada simulation and a windows C++ graphics program already created.
> My task is to transfer the information from the ada written simulation to
> the VisualC++ graphics program. This involves transfering a large structure
> of information from ada to C++. To do this i have written a very small
> program to pass a simple structure from ada to C++, but I am getting run
> time access errors. I will place a copy of the code onto this message, so
> could you tell me what is wrong and how to fix it.
> thanks
> Anthony Moss
> The ada code is .....
> package Output is
>
> type Record_T is
> record
> First : Integer;
> Second : Integer;
> end record;
>
> --type Record_Ptr is access Record_T;
>
> function Struct return Record_T;
> pragma Export (C, Struct, "Struct");
>
> end Output;
>
> package body Output is
>
> function Struct return Record_T is
> A_Record : Record_T :=(2,4);
> begin
> return A_Record;
> end Struct;
>
> end Output;
>
>
> The C++ code is..
>
> typedef struct {
> int first;
> int second;
> } A_Struct;
>
> extern "C" {
> A_Struct Struct();
> }
>
> int main()
> {
> A_Struct A = Struct();
>
> __asm nop;
> return 0;
> }
>
> ps when iinclude adainit() and adafinal I am getting
> unresolved external symbol _adafinal.....
> errors
>
>
>
>
Cross language Ada is always tricky. What platform are you using (both C++ and
Ada compilers)?
next prev parent reply other threads:[~2003-11-17 4:04 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2003-11-12 15:11 calling an ada procedure from C++ Anthony Moss
2003-11-17 4:04 ` red floyd [this message]
2003-11-17 7:37 ` tmoran
2003-11-17 10:38 ` Duncan Sands
2003-11-17 14:32 ` Hyman Rosen
2003-11-17 18:28 ` Frank J. Lhota
2003-11-18 0:03 ` Ludovic Brenta
2003-11-18 0:32 ` Frank J. Lhota
2003-11-22 5:25 ` Dave Thompson
2003-11-17 21:13 ` sk
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox