Re: making music

Re: making music

[JimBOB]

hello,
hopefully you can help me..
I'm writing for Linux.. or any other port!

I compiled a small body of code,

with text_io,basic_num,mcc-sounds;
use  text_io,basic_num,mcc-sounds;

procedure play_for_me is
wav:string;
begin
  put("what wav file would you like to listen to?");
  get(wav);
  Play_Sound(wav);
end play_for_me;

With a package body from ftp.usafa... I tried to get this to work, but it
tells me:

play_for_me.adb:4:27:is missing";"
play_for_me.adb:5:27:is missing";"
gnatmake:"play_for_me.adb"compilation error


Hopefully you know the package body stuff, or should I send that to?
I can't see that Im missing a ";" anywhere!

Any help will be appreciated.

Re: making music

[Niklas Holsti]

JimBOB wrote:
> 
> hello,
> hopefully you can help me..
> I'm writing for Linux.. or any other port!
> 
> I compiled a small body of code,
> 
> with text_io,basic_num,mcc-sounds;
> use  text_io,basic_num,mcc-sounds;

The package name "mcc-sounds" is incorrect; Ada does not allow
a hyphen in names. Perhaps you meant "mcc_sounds" ?

(This is one of the rare cases in which the GNAT error message
is not very precise.)

> procedure play_for_me is
> wav:string;

You should also define the length of the "wav" string, ie.
constrain it with an index range such as
   wav: string (1..50);

> begin
>   put("what wav file would you like to listen to?");
>   get(wav);

You may want to modify the "get" call so that the user can enter
a string that is shorter than the total length of "wav".

Hope this helps...

- Niklas

>   Play_Sound(wav);
> end play_for_me;
> 
> With a package body from ftp.usafa... I tried to get this to work, but it
> tells me:
> 
> play_for_me.adb:4:27:is missing";"
> play_for_me.adb:5:27:is missing";"
> gnatmake:"play_for_me.adb"compilation error
> 
> Hopefully you know the package body stuff, or should I send that to?
> I can't see that Im missing a ";" anywhere!
> 
> Any help will be appreciated.

Re: making music

[Simon Wright]

"JimBOB" <house@theprairy> writes:

> with text_io,basic_num,mcc-sounds;
> use  text_io,basic_num,mcc-sounds;

I imagine these are the lines; should be 'mcc.sounds' in both cases.
                                    ---------^---------
I know the GNAT file name is mcc-sounds.ads!

When GNAT says

play_for_me.adb:4:27:is missing";"

it means that the point at which it's detected the error is the 27th
character of the 4th line.