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ale/ale_linters/d/dmd.vim
Bjorn Neergaard 7f0ce89d2b First pass at optimizing ale to autoload (#80)
* First pass at optimizing ale to autoload

First off, the structure/function names should be revised a bit,
but I will wait for @w0rp's input before unifying the naming style.
Second off, the docs probably need some more work, I just did some
simple find-and-replace work.

With that said, this pull brings major performance gains for ale. On my
slowest system, fully loading ale and all its code takes around 150ms.

I have moved all of ale's autoload-able code to autoload/, and in
addition, implemented lazy-loading of linters. This brings load time on
that same system down to 5ms.

The only downside of lazy loading is that `g:ale_linters` cannot be
changed at runtime; however, it also speeds up performance at runtime by
simplfying the logic greatly.

Please let me know what you think!

Closes #59

* Address Travis/Vint errors

For some reason, ale isn't running vint for me...

* Incorporate feedback, make fixes

Lazy-loading logic is much improved.

* Add header comments; remove incorrect workaround

* Remove unneeded plugin guards

* Fix lazy-loading linter logic

Set the wrong variable....

* Fix capitialization
2016-10-10 19:51:29 +01:00

70 lines
1.8 KiB
VimL

" Author: w0rp <devw0rp@gmail.com>
" Description: "dmd for D files"
if exists('g:loaded_ale_linters_d_dmd')
finish
endif
let g:loaded_ale_linters_d_dmd = 1
" A function for finding the dmd-wrapper script in the Vim runtime paths
function! s:FindWrapperScript()
for parent in split(&runtimepath, ',')
" Expand the path to deal with ~ issues.
let path = expand(parent . '/' . 'dmd-wrapper')
if filereadable(path)
return path
endif
endfor
endfunction
function! ale_linters#d#dmd#GetCommand(buffer)
let wrapper_script = s:FindWrapperScript()
let command = wrapper_script . ' -o- -vcolumns -c'
return command
endfunction
function! ale_linters#d#dmd#Handle(buffer, lines)
" Matches patterns lines like the following:
"
" /tmp/tmp.G1L5xIizvB.d(8,8): Error: module weak_reference is in file 'dstruct/weak_reference.d' which cannot be read
let pattern = '^[^(]\+(\([0-9]\+\),\([0-9]\+\)): \([^:]\+\): \(.\+\)'
let output = []
for line in a:lines
let l:match = matchlist(line, pattern)
if len(l:match) == 0
break
endif
let line = l:match[1] + 0
let column = l:match[2] + 0
let type = l:match[3]
let text = l:match[4]
" vcol is Needed to indicate that the column is a character.
call add(output, {
\ 'bufnr': bufnr('%'),
\ 'lnum': line,
\ 'vcol': 0,
\ 'col': column,
\ 'text': text,
\ 'type': type ==# 'Warning' ? 'W' : 'E',
\ 'nr': -1,
\})
endfor
return output
endfunction
call ale#linter#Define('d', {
\ 'name': 'dmd',
\ 'output_stream': 'stderr',
\ 'executable': 'dmd',
\ 'command_callback': 'ale_linters#d#dmd#GetCommand',
\ 'callback': 'ale_linters#d#dmd#Handle',
\})