134 lines
4.9 KiB
VimL
134 lines
4.9 KiB
VimL
" Author: w0rp <devw0rp@gmail.com>
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" Description: ALE functions for autocmd events.
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" Get the number of milliseconds since some vague, but consistent, point in
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" the past.
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"
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" This function can be used for timing execution, etc.
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"
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" The time will be returned as a Number.
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function! ale#events#ClockMilliseconds() abort
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return float2nr(reltimefloat(reltime()) * 1000)
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endfunction
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function! ale#events#QuitEvent(buffer) abort
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" Remember when ALE is quitting for BufWrite, etc.
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call setbufvar(a:buffer, 'ale_quitting', ale#events#ClockMilliseconds())
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endfunction
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function! ale#events#QuitRecently(buffer) abort
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let l:time = getbufvar(a:buffer, 'ale_quitting', 0)
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return l:time && ale#events#ClockMilliseconds() - l:time < 1000
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endfunction
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function! ale#events#SaveEvent(buffer) abort
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let l:should_lint = ale#Var(a:buffer, 'enabled') && g:ale_lint_on_save
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if l:should_lint
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call setbufvar(a:buffer, 'ale_save_event_fired', 1)
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endif
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if ale#Var(a:buffer, 'fix_on_save')
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let l:will_fix = ale#fix#Fix(a:buffer, 'save_file')
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let l:should_lint = l:should_lint && !l:will_fix
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endif
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if l:should_lint && !ale#events#QuitRecently(a:buffer)
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call ale#Queue(0, 'lint_file', a:buffer)
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endif
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endfunction
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function! s:LintOnEnter(buffer) abort
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if ale#Var(a:buffer, 'enabled')
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\&& g:ale_lint_on_enter
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\&& has_key(b:, 'ale_file_changed')
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call remove(b:, 'ale_file_changed')
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call ale#Queue(0, 'lint_file', a:buffer)
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endif
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endfunction
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function! ale#events#EnterEvent(buffer) abort
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" When entering a buffer, we are no longer quitting it.
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call setbufvar(a:buffer, 'ale_quitting', 0)
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let l:filetype = getbufvar(a:buffer, '&filetype')
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call setbufvar(a:buffer, 'ale_original_filetype', l:filetype)
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call s:LintOnEnter(a:buffer)
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endfunction
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function! ale#events#FileTypeEvent(buffer, new_filetype) abort
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let l:filetype = getbufvar(a:buffer, 'ale_original_filetype', '')
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" If we're setting the filetype for the first time after it was blank,
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" and the option for linting on enter is off, then we should set this
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" filetype as the original filetype. Otherwise ALE will still appear to
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" lint files because of the BufEnter event, etc.
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if empty(l:filetype) && !ale#Var(a:buffer, 'lint_on_enter')
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call setbufvar(a:buffer, 'ale_original_filetype', a:new_filetype)
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elseif a:new_filetype isnot# l:filetype
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call ale#Queue(300, 'lint_file', a:buffer)
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endif
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endfunction
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function! ale#events#FileChangedEvent(buffer) abort
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call setbufvar(a:buffer, 'ale_file_changed', 1)
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if bufnr('') == a:buffer
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call s:LintOnEnter(a:buffer)
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endif
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endfunction
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function! ale#events#Init() abort
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" This value used to be a Boolean as a Number, and is now a String.
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let l:text_changed = '' . g:ale_lint_on_text_changed
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augroup ALEEvents
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autocmd!
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" These events always need to be set up.
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autocmd BufEnter,BufRead * call ale#pattern_options#SetOptions(str2nr(expand('<abuf>')))
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autocmd BufWritePost * call ale#events#SaveEvent(str2nr(expand('<abuf>')))
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if g:ale_enabled
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if l:text_changed is? 'always' || l:text_changed is# '1'
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autocmd TextChanged,TextChangedI * call ale#Queue(g:ale_lint_delay)
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elseif l:text_changed is? 'normal'
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autocmd TextChanged * call ale#Queue(g:ale_lint_delay)
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elseif l:text_changed is? 'insert'
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autocmd TextChangedI * call ale#Queue(g:ale_lint_delay)
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endif
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" Handle everything that needs to happen when buffers are entered.
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autocmd BufEnter * call ale#events#EnterEvent(str2nr(expand('<abuf>')))
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if g:ale_lint_on_enter
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autocmd BufWinEnter,BufRead * call ale#Queue(0, 'lint_file', str2nr(expand('<abuf>')))
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" Track when the file is changed outside of Vim.
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autocmd FileChangedShellPost * call ale#events#FileChangedEvent(str2nr(expand('<abuf>')))
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endif
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if g:ale_lint_on_filetype_changed
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" Only start linting if the FileType actually changes after
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" opening a buffer. The FileType will fire when buffers are opened.
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autocmd FileType * call ale#events#FileTypeEvent(
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\ str2nr(expand('<abuf>')),
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\ expand('<amatch>')
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\)
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endif
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if g:ale_lint_on_insert_leave
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autocmd InsertLeave * call ale#Queue(0)
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endif
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if g:ale_echo_cursor
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autocmd CursorMoved,CursorHold * call ale#cursor#EchoCursorWarningWithDelay()
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" Look for a warning to echo as soon as we leave Insert mode.
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" The script's position variable used when moving the cursor will
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" not be changed here.
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autocmd InsertLeave * call ale#cursor#EchoCursorWarning()
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endif
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endif
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augroup END
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endfunction
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