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Close #3285 - lint_file is now dynamic

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`lint_file` can now be computed dynamically with a callback function,
which can return a deferred result, as per `ale#command#Run`. This
allows linters to dynamically switch between checking files on disk,
or checking code on the fly.

Some tests have been fixed on Windows.
This commit is contained in:
w0rp
2020-08-28 14:02:05 +01:00
parent b8c0ac2e61
commit 34e409ea21
9 changed files with 276 additions and 62 deletions
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10
autoload/ale/linter.vim
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@@ -211,21 +211,17 @@ function! ale#linter#PreProcess(filetype, linter) abort
" file on disk.
let l:obj.lint_file = get(a:linter, 'lint_file', 0)
if !s:IsBoolean(l:obj.lint_file)
throw '`lint_file` must be `0` or `1`'
if !s:IsBoolean(l:obj.lint_file) && type(l:obj.lint_file) isnot v:t_func
throw '`lint_file` must be `0`, `1`, or a Function'
endif
" An option indicating that the buffer should be read.
let l:obj.read_buffer = get(a:linter, 'read_buffer', !l:obj.lint_file)
let l:obj.read_buffer = get(a:linter, 'read_buffer', 1)
if !s:IsBoolean(l:obj.read_buffer)
throw '`read_buffer` must be `0` or `1`'
endif
if l:obj.lint_file && l:obj.read_buffer
throw 'Only one of `lint_file` or `read_buffer` can be `1`'
endif
let l:obj.aliases = get(a:linter, 'aliases', [])
if type(l:obj.aliases) isnot v:t_list