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" Author: w0rp <devw0rp@gmail.com>
" Description: ALE functions for autocmd events.
" Get the number of milliseconds since some vague, but consistent, point in
" the past.
"
" This function can be used for timing execution, etc.
"
" The time will be returned as a Number.
function! ale#events#ClockMilliseconds() abort
return float2nr(reltimefloat(reltime()) * 1000)
endfunction
function! ale#events#QuitEvent(buffer) abort
" Remember when ALE is quitting for BufWrite, etc.
call setbufvar(a:buffer, 'ale_quitting', ale#events#ClockMilliseconds())
endfunction
function! ale#events#QuitRecently(buffer) abort
let l:time = getbufvar(a:buffer, 'ale_quitting', 0)
return l:time && ale#events#ClockMilliseconds() - l:time < 1000
endfunction
function! ale#events#SaveEvent(buffer) abort
let l:should_lint = ale#Var(a:buffer, 'enabled') && g:ale_lint_on_save
if l:should_lint
call setbufvar(a:buffer, 'ale_save_event_fired', 1)
endif
if ale#Var(a:buffer, 'fix_on_save') && !ale#events#QuitRecently(a:buffer)
let l:will_fix = ale#fix#Fix(a:buffer, 'save_file')
let l:should_lint = l:should_lint && !l:will_fix
endif
if l:should_lint && !ale#events#QuitRecently(a:buffer)
call ale#Queue(0, 'lint_file', a:buffer)
endif
endfunction
function! ale#events#LintOnEnter(buffer) abort
" Unmark a file as being changed outside of Vim after we try to check it.
call setbufvar(a:buffer, 'ale_file_changed', 0)
if ale#Var(a:buffer, 'enabled') && g:ale_lint_on_enter
call ale#Queue(0, 'lint_file', a:buffer)
endif
endfunction
function! ale#events#ReadOrEnterEvent(buffer) abort
" Apply pattern options if the variable is set.
if get(g:, 'ale_pattern_options_enabled', 1)
\&& !empty(get(g:, 'ale_pattern_options'))
call ale#pattern_options#SetOptions(a:buffer)
endif
" When entering a buffer, we are no longer quitting it.
call setbufvar(a:buffer, 'ale_quitting', 0)
let l:filetype = getbufvar(a:buffer, '&filetype')
call setbufvar(a:buffer, 'ale_original_filetype', l:filetype)
" If the file changed outside of Vim, check it on BufEnter,BufRead
if getbufvar(a:buffer, 'ale_file_changed')
call ale#events#LintOnEnter(a:buffer)
endif
endfunction
function! ale#events#FileTypeEvent(buffer, new_filetype) abort
" The old filetype will be set to an empty string by the BuFEnter event,
" and not linting when the old filetype hasn't been set yet prevents
" buffers being checked when you enter them when linting on enter is off.
let l:old_filetype = getbufvar(a:buffer, 'ale_original_filetype', v:null)
if l:old_filetype isnot v:null
\&& !empty(a:new_filetype)
\&& a:new_filetype isnot# l:old_filetype
" Remember what the new filetype is.
call setbufvar(a:buffer, 'ale_original_filetype', a:new_filetype)
if g:ale_lint_on_filetype_changed
call ale#Queue(300, 'lint_file', a:buffer)
endif
endif
endfunction
function! ale#events#FileChangedEvent(buffer) abort
call setbufvar(a:buffer, 'ale_file_changed', 1)
if bufnr('') == a:buffer
call ale#events#LintOnEnter(a:buffer)
endif
endfunction
function! ale#events#Init() abort
" This value used to be a Boolean as a Number, and is now a String.
let l:text_changed = '' . g:ale_lint_on_text_changed
augroup ALEEvents
autocmd!
" These events always need to be set up.
autocmd BufEnter,BufRead * call ale#events#ReadOrEnterEvent(str2nr(expand('<abuf>')))
autocmd BufWritePost * call ale#events#SaveEvent(str2nr(expand('<abuf>')))
if g:ale_enabled
if l:text_changed is? 'always' || l:text_changed is# '1'
autocmd TextChanged,TextChangedI * call ale#Queue(ale#Var(str2nr(expand('<abuf>')), 'lint_delay'))
elseif l:text_changed is? 'normal'
autocmd TextChanged * call ale#Queue(ale#Var(str2nr(expand('<abuf>')), 'lint_delay'))
elseif l:text_changed is? 'insert'
autocmd TextChangedI * call ale#Queue(ale#Var(str2nr(expand('<abuf>')), 'lint_delay'))
endif
if g:ale_lint_on_enter
autocmd BufWinEnter * call ale#events#LintOnEnter(str2nr(expand('<abuf>')))
" Track when the file is changed outside of Vim.
autocmd FileChangedShellPost * call ale#events#FileChangedEvent(str2nr(expand('<abuf>')))
endif
if g:ale_lint_on_filetype_changed
" Only start linting if the FileType actually changes after
" opening a buffer. The FileType will fire when buffers are opened.
autocmd FileType * call ale#events#FileTypeEvent(
\ str2nr(expand('<abuf>')),
\ expand('<amatch>')
\)
endif
if g:ale_lint_on_insert_leave
autocmd InsertLeave * if ale#Var(str2nr(expand('<abuf>')), 'lint_on_insert_leave') | call ale#Queue(0) | endif
endif
if g:ale_echo_cursor || g:ale_cursor_detail
autocmd CursorMoved,CursorHold * if exists('*ale#engine#Cleanup') | call ale#cursor#EchoCursorWarningWithDelay() | endif
" Look for a warning to echo as soon as we leave Insert mode.
" The script's position variable used when moving the cursor will
" not be changed here.
autocmd InsertLeave * if exists('*ale#engine#Cleanup') | call ale#cursor#EchoCursorWarning() | endif
endif
if g:ale_virtualtext_cursor is# 'current' || g:ale_virtualtext_cursor is# 1 || g:ale_virtualtext_cursor is# '1'
autocmd CursorMoved,CursorHold * if exists('*ale#engine#Cleanup') | call ale#virtualtext#ShowCursorWarningWithDelay() | endif
" Look for a warning to echo as soon as we leave Insert mode.
" The script's position variable used when moving the cursor will
" not be changed here.
autocmd InsertLeave * if exists('*ale#engine#Cleanup') | call ale#virtualtext#ShowCursorWarning() | endif
endif
if g:ale_hover_cursor
autocmd CursorHold * if exists('*ale#lsp#Send') | call ale#hover#ShowTruncatedMessageAtCursor() | endif
endif
if g:ale_close_preview_on_insert
autocmd InsertEnter * if exists('*ale#preview#CloseIfTypeMatches') | call ale#preview#CloseIfTypeMatches('ale-preview') | endif
endif
endif
augroup END
augroup AleURISchemes
autocmd!
autocmd BufNewFile,BufReadPre jdt://** call ale#uri#jdt#ReadJDTLink(expand('<amatch>'))
augroup END
endfunction
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