Re: A new universe of Ada

[Rick Duley <rickduley@gmail.com>]

On Monday, September 26, 2022 at 2:45:16 PM UTC+8, Dmitry A. Kazakov wrote:
> On 2022-09-26 08:20, Rick Duley wrote: 
> 
> > I have Gnat Studio but I can't do anything at all unless I create a Project (whatever that is). Even then, I can't write and run Hello_World unless I call it Main. The concept of an IDE where I can step through a program checking changes in variable values as I go seems to have vanished.
> That concept is called debugger. GDB for GCC (GNAT Ada is based in GDB). 
> GDB never ever really worked except for little exercises. It still does 
> not. So, forget about it.
> > In short, I am lost and I can't find any material to help me find my way.
> The project file is 3-liner: 
> ----------------hello_world.gpr-----> 
> project Hello_World is 
> for Main use ("hello_world.adb"); 
> end Hello_World; 
> <------------------------------------ 
> 
> No, you do not need main to be Main: 
> 
> ---hello_world.adb-----------------> 
> with Ada.Text_IO; use Ada.Text_IO; 
> procedure Hello_World is 
> begin 
> Put_Line ("Hello world!"); 
> end Hello_World; 
> <---------------------------------- 
> 
> You still can compile and build without projects. But projects are much 
> more comfortable. 
> 
> -- 
> Regards, 
> Dmitry A. Kazakov 
> http://www.dmitry-kazakov.de