6

To work with pascal files, my .vimrc contains this code:

"" Work with pascal files
augroup make_pascal
  autocmd!
  autocmd FileType pascal :compiler fpc
  autocmd FileType pascal :set makeprg=clear;\ fpc\ %
augroup END

To demonstrate the issue I am experiencing see this easy hello-world-like demonstration code written in pascal which intentionally contains an error:

program EasyExample (output);

begin
  writeln ('Correct line.');
  thisWillCauseAnError;
end.

When I run :make on this file with my Vim cursor in any line that does not contain the error, everything works fine: the external fpc compiler gets called and aborts compilation due to an error. After pressing ENTER I get back to my source code and the cursor is in the line that contains the error, and the error message is displayed at the bottom.

But when I run :make on this file with my Vim cursor in the line that does contain the error, an additional step is added (and I would like to remove it): After the compilation abortion pressing ENTER does not get me back to my source code, but instead a new "window" (is that the quickfix list?) is shown with the following text at the bottom:

(5 of 8): Error: Identifier not found "thisWillCauseAnError"

Press ENTER or type command to continue

After pressing ENTER again I see my source code again, the cursor in the line that contains the error, and the error message is displayed at the bottom.

Question

How do I get rid of that additional "window" that appears, so that the behaviour when running :make is always the same (i.e. press ENTER once to see my source code with highlighted error)?

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5
  • @saginaw: :silent! make | redraw! | cw is a great solution and is what I will use. Please post it as an answer (so that you get reputation and the vi/Vim site stats on Area51 get better) and I will happily accept it. It would be great if you could also mention a way how I could delete the .o file automatically after compilation, as the autocmd in my answer that deletes the object file does not work with the :silent! make | redraw! | cw command: the quickfix list is empty and does not contain errors.
    – cbaumhardt
    Commented Feb 28, 2016 at 23:00
  • Sorry I removed my comments because I thought they didn't solve your issue, but I'm glad if they helped you a little! I'm not comfortable writing an answer because I can't reproduce what you're experiencing on my machine, and I don't know how compilation or Pascal works. To remove automatically the .o file, maybe you could look at :h autocmd-events and see if there's an event which corresponds to a compilation. Maybe QuickFixCmdPre or QuickFixCmdPost? That would give something like autocmd QuickFixCmdPost * !rm\ -f\ %:r.o I didn't try it so it may not work as expected.
    – saginaw
    Commented Feb 28, 2016 at 23:18
  • Sorry again, I read your comment too quickly. You say the quickfix list is empty so the events I mentioned won't work. Maybe ShellCmdPost then? You could also install a fire-once autocmd (the autocmd is installed and removed as soon as the command is executed) inside a function and call the latter from a mapping ,c or a custom command :CP: vpaste.net/0t1i4
    – saginaw
    Commented Feb 28, 2016 at 23:34
  • The previous code won't work because I mixed a shell and Vim command on the same line. Maybe this will work, but I'm not really sure: vpaste.net/DhNQG
    – saginaw
    Commented Feb 28, 2016 at 23:46
  • @saginaw: I have a working solution now, thanks again for your help :)
    – cbaumhardt
    Commented Feb 29, 2016 at 1:29

1 Answer 1

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2

saginaw pointed out in a now deleted comment that running :silent! make | redraw! | cw instead of :make solves my problem. If I run it the program compiles, and if there is an error the QuickFix list is opened on the bottom and the line with the error highlighted.

I expanded his solution further to deal with something else:

Whenever the free pascal compiler fpc is run on a file example.pas, it produces an executable example as well as an object file example.o, which can be deleted as I don't need it.

The final solution in my .vimrc is:

"" Work with pascal files
augroup make_pascal
  autocmd!
  autocmd FileType pascal :compiler fpc
  autocmd FileType pascal :set makeprg=clear;fpc\ %
  autocmd FileType pascal nnoremap <buffer> <leader>c
      \ :w <bar> silent! make <bar> redraw! <bar> cw <bar>
      \ exe "silent! !rm -f %:r.o" <bar> redraw! <CR>
augroup END
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