Re: Ann: HAC v.0.06 - Text File I/O

[joakimds@kth.se]

Den tisdag 19 maj 2020 kl. 10:50:14 UTC+2 skrev gautier...@hotmail.com:
> HAC (HAC Ada Compiler) is available on two open-source development sites:
>   https://hacadacompiler.sourceforge.io/
>   https://github.com/zertovitch/hac
> 
> HAC is a small, quick, open-source Ada compiler, covering a subset of
> the Ada language.
> Even though the HAC documentation is more or less non-existent, the good
> news is that you can use as a help Ada books and online documentation
> about Ada: HAC does not define a dialect of Ada, only a subset.
> A glimpse into the file "src/hac_pack.ads" gives you the currently
> available types and subprograms.
> 
> The latest additions are:
> ------------------------
> 
>   - v.0.06: Text File I/O around File_Type (example below)
> 
>   - v.0.05: type VString (variable-size string), with various operators
>       and functions ("&", "*", comparison operators, Element, Length,
>       Slice, Index, Trim, Image, Integer_Value, Float_Value functions);
>       system functions (Argument_Count, Argument, Get_Env, Set_Env,
>       Shell_Execute)
> 
> HAC programs are real Ada programs, they can be built by a "serious"
> Ada compiler, through the HAC_Pack compatibility package.
> See the exm/hac_exm.gpr and test/hac_test.gpr project files
> for the GNAT compiler.
> 
> HAC is itself programmed in Ada. To build HAC for the command-line,
> all you need (with GNAT) is to run "gprbuild -p -P hac".
> Then you get the executable hax[.exe].
> The command "hax" alone will show you basic help.
> 
>   HAX: command-line compilation and execution for HAC (HAC Ada Compiler)
>   Compiler version: 0.06 dated 18-May-2020.
>   URL: https://hacadacompiler.sourceforge.io/
> 
>   Usage: hax [options] main.adb [command-line parameters for main]
> 
>   Options: -h     : this help
>            -v, v1 : verbose
>            -v2    : very verbose
>            -a     : assembler output
>            -d     : dump compiler information
> 
> Enjoy
> _________________________ 
> Gautier's Ada programming 
> http://gautiersblog.blogspot.com/search/label/Ada 
> NB: follow the above link for a valid e-mail address 
> __
> PS: The example (exm/file_copy.adb):
> 
> with HAC_Pack;  use HAC_Pack;
> 
> procedure File_Copy is
>   s : VString;
>   f1, f2 : File_Type;
> begin
>   Open (f1, "file_copy.adb");
>   Create (f2, "file_copy.txt");
>   while not End_Of_File (f1) loop
>     Get_Line (f1, s);
>     Put_Line (f2, s);
>   end loop;
>   Close (f1);
>   Close (f2);
> end File_Copy;

Nice Gautier regarding the possibility of copying text files. Is support for copying/reading/writing binary files in the works?

Best regards,
Joakim