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scriptencoding utf-8
" Author: w0rp <devw0rp@gmail.com>
" Author: João Paulo S. de Souza <joao.paulo.silvasouza@hotmail.com>
" Description: Echoes lint message for the current line, if any
" Controls the milliseconds delay before echoing a message.
let g:ale_echo_delay = get(g:, 'ale_echo_delay', 10)
" A string format for the echoed message.
let g:ale_echo_msg_format = get(g:, 'ale_echo_msg_format', '%code: %%s')
let s:cursor_timer = -1
let s:last_pos = [0, 0, 0]
function! ale#cursor#TruncatedEcho(original_message) abort
let l:message = a:original_message
" Change tabs to spaces.
let l:message = substitute(l:message, "\t", ' ', 'g')
" Remove any newlines in the message.
let l:message = substitute(l:message, "\n", '', 'g')
" We need to remember the setting for shortmess and reset it again.
let l:shortmess_options = &l:shortmess
try
let l:cursor_position = getcurpos()
" The message is truncated and saved to the history.
setlocal shortmess+=T
exec "norm! :echomsg l:message\n"
" Reset the cursor position if we moved off the end of the line.
" Using :norm and :echomsg can move the cursor off the end of the
" line.
if l:cursor_position != getcurpos()
call setpos('.', l:cursor_position)
endif
finally
let &l:shortmess = l:shortmess_options
endtry
endfunction
function! s:FindItemAtCursor(buffer) abort
let l:info = get(g:ale_buffer_info, a:buffer, {})
let l:loclist = get(l:info, 'loclist', [])
let l:pos = getcurpos()
let l:index = ale#util#BinarySearch(l:loclist, a:buffer, l:pos[1], l:pos[2])
let l:loc = l:index >= 0 ? l:loclist[l:index] : {}
return [l:info, l:loc]
endfunction
function! s:StopCursorTimer() abort
if s:cursor_timer != -1
call timer_stop(s:cursor_timer)
let s:cursor_timer = -1
endif
endfunction
function! ale#cursor#EchoCursorWarning(...) abort
let l:buffer = bufnr('')
if !g:ale_echo_cursor && !g:ale_cursor_detail
return
endif
" Only echo the warnings in normal mode, otherwise we will get problems.
if mode(1) isnot# 'n'
return
endif
if ale#ShouldDoNothing(l:buffer)
return
endif
let [l:info, l:loc] = s:FindItemAtCursor(l:buffer)
if g:ale_echo_cursor
if !empty(l:loc)
let l:format = ale#Var(l:buffer, 'echo_msg_format')
let l:msg = ale#GetLocItemMessage(l:loc, l:format)
call ale#cursor#TruncatedEcho(l:msg)
let l:info.echoed = 1
elseif get(l:info, 'echoed')
" We'll only clear the echoed message when moving off errors once,
" so we don't continually clear the echo line.
execute 'echo'
let l:info.echoed = 0
endif
endif
if g:ale_cursor_detail
if !empty(l:loc)
call s:ShowCursorDetailForItem(l:loc, {'stay_here': 1})
else
call ale#preview#CloseIfTypeMatches('ale-preview')
endif
endif
endfunction
function! ale#cursor#EchoCursorWarningWithDelay() abort
let l:buffer = bufnr('')
if !g:ale_echo_cursor && !g:ale_cursor_detail
return
endif
" Only echo the warnings in normal mode, otherwise we will get problems.
if mode(1) isnot# 'n'
return
endif
call s:StopCursorTimer()
let l:pos = getcurpos()[0:2]
" Check the current buffer, line, and column number against the last
" recorded position. If the position has actually changed, *then*
" we should echo something. Otherwise we can end up doing processing
" the echo message far too frequently.
if l:pos != s:last_pos
let l:delay = ale#Var(l:buffer, 'echo_delay')
let s:last_pos = l:pos
let s:cursor_timer = timer_start(
\ l:delay,
\ function('ale#cursor#EchoCursorWarning')
\)
endif
endfunction
function! s:ShowCursorDetailForItem(loc, options) abort
let l:stay_here = get(a:options, 'stay_here', 0)
let s:last_detailed_line = line('.')
let l:message = get(a:loc, 'detail', a:loc.text)
let l:lines = split(l:message, "\n")
call ale#preview#Show(l:lines, {'stay_here': l:stay_here})
" Clear the echo message if we manually displayed details.
if !l:stay_here
execute 'echo'
endif
endfunction
function! ale#cursor#ShowCursorDetail() abort
let l:buffer = bufnr('')
" Only echo the warnings in normal mode, otherwise we will get problems.
if mode() isnot# 'n'
return
endif
if ale#ShouldDoNothing(l:buffer)
return
endif
call s:StopCursorTimer()
let [l:info, l:loc] = s:FindItemAtCursor(l:buffer)
if !empty(l:loc)
call s:ShowCursorDetailForItem(l:loc, {'stay_here': 0})
endif
endfunction
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