forked from github-mirrors/ale
130 lines
3.9 KiB
VimL
130 lines
3.9 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: Linter registration and lazy-loading
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" Retrieves linters as requested by the engine, loading them if needed.
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let s:linters = {}
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" Default filetype aliaes.
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" The user defined aliases will be merged with this Dictionary.
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let s:default_ale_linter_aliases = {
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\ 'zsh': 'sh',
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\ 'csh': 'sh',
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\}
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" Default linters to run for particular filetypes.
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" The user defined linter selections will be merged with this Dictionary.
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let s:default_ale_linters = {
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\ 'zsh': ['shell'],
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\ 'csh': ['shell'],
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\}
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" Testing/debugging helper to unload all linters.
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function! ale#linter#Reset() abort
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let s:linters = {}
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endfunction
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function! ale#linter#Define(filetype, linter) abort
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if !has_key(s:linters, a:filetype)
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let s:linters[a:filetype] = []
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endif
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let l:new_linter = {
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\ 'name': a:linter.name,
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\ 'callback': a:linter.callback,
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\}
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if has_key(a:linter, 'executable_callback')
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let l:new_linter.executable_callback = a:linter.executable_callback
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else
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let l:new_linter.executable = a:linter.executable
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endif
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if has_key(a:linter, 'command_callback')
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let l:new_linter.command_callback = a:linter.command_callback
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else
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let l:new_linter.command = a:linter.command
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endif
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if has_key(a:linter, 'output_stream')
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let l:new_linter.output_stream = a:linter.output_stream
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else
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let l:new_linter.output_stream = 'stdout'
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endif
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" TODO: Assert the value of the output_stream to be something sensible.
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call add(s:linters[a:filetype], l:new_linter)
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endfunction
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function! s:LoadLinters(filetype) abort
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if a:filetype ==# ''
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" Empty filetype? Nothing to be done about that.
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return []
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endif
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if has_key(s:linters, a:filetype)
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" We already loaded the linter files for this filetype, so stop here.
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return s:linters[a:filetype]
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endif
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" Load all linters for a given filetype.
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execute 'silent! runtime! ale_linters/' . a:filetype . '/*.vim'
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if !has_key(s:linters, a:filetype)
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" If we couldn't load any linters, let everyone know.
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let s:linters[a:filetype] = []
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endif
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return s:linters[a:filetype]
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endfunction
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function! ale#linter#Get(original_filetypes) abort
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let l:combined_linters = []
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" Handle dot-seperated filetypes.
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for l:original_filetype in split(a:original_filetypes, '\.')
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" Try and get an aliased file type either from the user's Dictionary, or
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" our default Dictionary, otherwise use the filetype as-is.
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let l:filetype = get(
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\ g:ale_linter_aliases,
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\ l:original_filetype,
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\ get(
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\ s:default_ale_linter_aliases,
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\ l:original_filetype,
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\ l:original_filetype
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\ )
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\)
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" Try and get a list of linters to run, using the original file type,
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" not the aliased filetype. We have some linters to limit by default,
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" and users may define their own list of linters to run.
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let l:linter_names = get(
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\ g:ale_linters,
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\ l:original_filetype,
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\ get(
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\ s:default_ale_linters,
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\ l:original_filetype,
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\ 'all'
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\ )
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\)
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let l:all_linters = s:LoadLinters(l:filetype)
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let l:filetype_linters = []
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if type(l:linter_names) == type('') && l:linter_names ==# 'all'
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let l:filetype_linters = l:all_linters
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elseif type(l:linter_names) == type([])
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" Select only the linters we or the user has specified.
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for l:linter in l:all_linters
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if index(l:linter_names, l:linter.name) >= 0
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call add(l:filetype_linters, l:linter)
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endif
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endfor
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endif
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call extend(l:combined_linters, l:filetype_linters)
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endfor
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return l:combined_linters
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endfunction
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