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|
if !exists('s:action_queue')
let s:action_queue = []
endif
if !exists('s:action_queue_registered_events')
let s:action_queue_registered_events = []
endif
let s:action_queue_timer_timeouts = get(g:, 'neomake_action_queue_timeouts', {1: 100, 2: 200, 3: 500})
let g:neomake#action_queue#processed = {}
let g:neomake#action_queue#not_processed = {}
let g:neomake#action_queue#any_event = []
let g:neomake#action_queue#_s = s:
function! s:actionname(funcref) abort
let s = string(a:funcref)
let r = matchstr(s, '\v^^function\(''\zs.*\ze''\)$')
if empty(r)
return s
endif
return substitute(r, '\v^(\<SNR\>\d+_|s:)', '', '')
endfunction
" Queue an action to be processed later for autocmd a:event or through a timer
" for a:event=Timer.
" It will call a:data[0], with a:data[1] as args (where the first should be
" a jobinfo object). The callback should return 1 if it was successful,
" with 0 it will be re-queued.
" When called recursively (queuing the same event/data again, it will be
" re-queued also).
function! neomake#action_queue#add(events, data) abort
let job_or_make_info = a:data[1][0]
if a:events is# g:neomake#action_queue#any_event
call neomake#log#debug(printf('Queuing action %s for any event.',
\ s:actionname(a:data[0])), job_or_make_info)
else
call neomake#log#debug(printf('Queuing action %s for %s.',
\ s:actionname(a:data[0]), join(a:events, ', ')), job_or_make_info)
endif
for event in a:events
if event ==# 'Timer'
if !has_key(job_or_make_info, 'action_queue_timer_tries')
let job_or_make_info.action_queue_timer_tries = {'count': 1, 'data': a:data[0]}
else
let job_or_make_info.action_queue_timer_tries.count += 1
endif
if has_key(s:action_queue_timer_timeouts, job_or_make_info.action_queue_timer_tries.count)
let timeout = s:action_queue_timer_timeouts[job_or_make_info.action_queue_timer_tries.count]
else
throw printf('Neomake: Giving up handling Timer callbacks after %d attempts. Please report this. See :messages for more information.', len(s:action_queue_timer_timeouts))
endif
if has('timers')
if exists('s:action_queue_timer')
call timer_stop(s:action_queue_timer)
endif
let s:action_queue_timer = timer_start(timeout, function('s:process_action_queue_timer_cb'))
call neomake#log#debug(printf(
\ 'Retrying Timer event in %dms (timer %d).',
\ timeout, s:action_queue_timer), job_or_make_info)
else
call neomake#log#debug('Retrying Timer event on CursorHold(I).', job_or_make_info)
if !exists('#neomake_event_queue#CursorHold')
let s:action_queue_registered_events += ['CursorHold', 'CursorHoldI']
augroup neomake_event_queue
exe 'autocmd CursorHold,CursorHoldI * call s:process_action_queue('''.event.''')'
augroup END
endif
endif
else
if !exists('#neomake_event_queue#'.event)
let s:action_queue_registered_events += [event]
augroup neomake_event_queue
exe 'autocmd '.event.' * call s:process_action_queue('''.event.''')'
augroup END
endif
endif
endfor
call add(s:action_queue, [a:events, a:data])
return g:neomake#action_queue#not_processed
endfunction
" Remove any queued actions for a jobinfo or make_info object.
function! neomake#action_queue#clean(job_or_make_info) abort
let len_before = len(s:action_queue)
call filter(s:action_queue, 'v:val[1][1][0] != a:job_or_make_info')
let removed = len_before - len(s:action_queue)
if removed
call s:clean_action_queue_events()
call neomake#log#debug(printf(
\ 'Removed %d action queue entries.',
\ removed), a:job_or_make_info)
endif
endfunction
" Remove given action for a jobinfo or make_info object.
function! neomake#action_queue#remove(job_or_make_info, action) abort
let len_before = len(s:action_queue)
call filter(s:action_queue, 'v:val[1][1][0] != a:job_or_make_info || v:val[1][0] != a:action')
let removed = len_before - len(s:action_queue)
if removed
call s:clean_action_queue_events()
call neomake#log#debug(printf(
\ 'Removed %d action queue entries for %s.',
\ removed, s:actionname(a:action)), a:job_or_make_info)
endif
endfunction
function! s:process_action_queue_timer_cb(...) abort
call neomake#log#debug(printf(
\ 'action queue: callback for Timer queue (%d).', s:action_queue_timer))
unlet s:action_queue_timer
call s:process_action_queue('Timer')
endfunction
function! s:process_action_queue(event) abort
let queue = s:action_queue
let q_for_this_event = []
let i = 0
if g:neomake#core#_ignore_autocommands
call neomake#log#debug(printf('action queue: skip processing for %s (ignore_autocommands=%d).',
\ a:event, g:neomake#core#_ignore_autocommands),
\ {'bufnr': bufnr('%'), 'winnr': winnr()})
return
endif
for [events, v] in queue
if index(events, a:event) != -1 || events is# g:neomake#action_queue#any_event
call add(q_for_this_event, [i, v])
endif
let i += 1
endfor
call neomake#log#debug(printf('action queue: processing for %s (%d items).',
\ a:event, len(q_for_this_event)), {'bufnr': bufnr('%'), 'winnr': winnr()})
let processed = []
let removed = 0
let stop_processing = {'make_id': [], 'job_id': []}
for [idx_q_for_this_event, data] in q_for_this_event
let job_or_make_info = data[1][0]
let current_event = remove(queue, idx_q_for_this_event - removed)
let removed += 1
let make_id_job_id = {} " make_id/job_id relevant to re-queue following.
if has_key(job_or_make_info, 'make_id')
if has_key(job_or_make_info, 'options')
let make_id_job_id = {
\ 'make_id': job_or_make_info.make_id,
\ }
else
let make_id_job_id = {
\ 'make_id': job_or_make_info.make_id,
\ 'job_id': job_or_make_info.id,
\ }
endif
endif
" Skip/re-queue entries for same make/job.
let skip = 0
for [prop_name, prop_value] in items(make_id_job_id)
if index(stop_processing[prop_name], prop_value) != -1
call neomake#log#debug(printf('action queue: skipping %s for not processed %s.',
\ s:actionname(data[0]), prop_name), job_or_make_info)
call add(queue, current_event)
let skip = 1
break
endif
endfor
if skip
continue
endif
call neomake#log#debug(printf('action queue: calling %s.',
\ s:actionname(data[0])), job_or_make_info)
let queue_before_call = copy(queue)
try
" Call the queued action. On failure they should have requeued
" themselves already.
let rv = call(data[0], data[1])
catch
if v:exception =~# '^Neomake: '
let error = substitute(v:exception, '^Neomake: ', '', '')
else
let error = printf('Error during action queue processing: %s.',
\ v:exception)
endif
call neomake#log#exception(error, job_or_make_info)
" Cancel job in case its action failed to get re-queued after X
" attempts.
if has_key(job_or_make_info, 'id')
call neomake#CancelJob(job_or_make_info.id)
endif
continue
endtry
if rv is# g:neomake#action_queue#processed
let processed += [data]
continue
endif
if rv is# g:neomake#action_queue#not_processed
if a:event !=# 'Timer' && has_key(job_or_make_info, 'action_queue_timer_tries')
call neomake#log#debug('s:process_action_queue: decrementing timer tries for non-Timer event.', job_or_make_info)
let job_or_make_info.action_queue_timer_tries.count -= 1
endif
" Requeue any entries for the same job.
let i = 0
for q in queue_before_call
for [prop_name, prop_value] in items(make_id_job_id)
" Assert current_event != q
if get(q[1][1][0], prop_name) == prop_value
call neomake#log#debug(printf('action queue: re-queuing %s for not processed %s.',
\ s:actionname(q[1][0]), prop_name), job_or_make_info)
call add(queue, remove(queue, i))
let i -= 1
break
endif
endfor
let i += 1
endfor
for [prop_name, prop_value] in items(make_id_job_id)
call add(stop_processing[prop_name], prop_value)
endfor
else
let args_str = neomake#utils#Stringify(data[1])
throw printf('Internal Neomake error: hook function %s(%s) returned unexpected value (%s)', data[0], args_str, rv)
endif
endfor
call neomake#log#debug(printf('action queue: processed %d items.',
\ len(processed)), {'bufnr': bufnr('%')})
call s:clean_action_queue_events()
endfunction
if has('timers')
function! s:get_left_events() abort
let r = {}
for [events, _] in s:action_queue
for event in events
let r[event] = 1
endfor
endfor
return keys(r)
endfunction
else
function! s:get_left_events() abort
let r = {}
for [events, _] in s:action_queue
for event in events
if event ==# 'Timer'
let r['CursorHold'] = 1
let r['CursorHoldI'] = 1
else
let r[event] = 1
endif
endfor
endfor
return keys(r)
endfunction
endif
function! neomake#action_queue#get_queued_actions(jobinfo) abort
" Check if there are any queued actions for this job.
let queued_actions = []
for [events, v] in s:action_queue
if v[1][0] == a:jobinfo
let queued_actions += [[s:actionname(v[0]), events]]
endif
endfor
return queued_actions
endfunction
function! s:clean_action_queue_events() abort
let left_events = s:get_left_events()
if empty(left_events)
if exists('#neomake_event_queue')
autocmd! neomake_event_queue
augroup! neomake_event_queue
endif
else
let clean_events = []
for event in s:action_queue_registered_events
if index(left_events, event) == -1
let clean_events += [event]
endif
endfor
if !empty(clean_events)
augroup neomake_event_queue
for event in clean_events
if exists('#neomake_event_queue#'.event)
exe 'au! '.event
endif
endfor
augroup END
endif
endif
let s:action_queue_registered_events = left_events
if index(left_events, 'Timer') == -1
if exists('s:action_queue_timer')
call timer_stop(s:action_queue_timer)
unlet s:action_queue_timer
endif
endif
endfunction
" vim: ts=4 sw=4 et
|