1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
|
scriptencoding utf-8
" Author: w0rp <devw0rp@gmail.com>
" Author: Luan Santos <cfcluan@gmail.com>
" Description: Shows lint message for the current line as virtualtext, if any
" Controls the milliseconds delay before showing a message.
let g:ale_virtualtext_delay = get(g:, 'ale_virtualtext_delay', 10)
let s:cursor_timer = -1
let s:last_pos = [0, 0, 0]
if has('nvim-0.3.2')
let s:ns_id = nvim_create_namespace('ale')
endif
if !hlexists('ALEVirtualTextError')
highlight link ALEVirtualTextError ALEError
endif
if !hlexists('ALEVirtualTextStyleError')
highlight link ALEVirtualTextStyleError ALEVirtualTextError
endif
if !hlexists('ALEVirtualTextWarning')
highlight link ALEVirtualTextWarning ALEWarning
endif
if !hlexists('ALEVirtualTextStyleWarning')
highlight link ALEVirtualTextStyleWarning ALEVirtualTextWarning
endif
if !hlexists('ALEVirtualTextInfo')
highlight link ALEVirtualTextInfo ALEVirtualTextWarning
endif
function! ale#virtualtext#Clear() abort
if !has('nvim-0.3.2')
return
endif
let l:buffer = bufnr('')
call nvim_buf_clear_highlight(l:buffer, s:ns_id, 0, -1)
endfunction
function! ale#virtualtext#ShowMessage(message, hl_group) abort
if !has('nvim-0.3.2')
return
endif
let l:line = line('.')
let l:buffer = bufnr('')
let l:prefix = get(g:, 'ale_virtualtext_prefix', '> ')
call nvim_buf_set_virtual_text(l:buffer, s:ns_id, l:line-1, [[l:prefix.a:message, a:hl_group]], {})
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#virtualtext#ShowCursorWarning(...) abort
if !g:ale_virtualtext_cursor
return
endif
let l:buffer = bufnr('')
if mode(1) isnot# 'n'
return
endif
if ale#ShouldDoNothing(l:buffer)
return
endif
let [l:info, l:loc] = ale#util#FindItemAtCursor(l:buffer)
call ale#virtualtext#Clear()
if !empty(l:loc)
let l:msg = l:loc.text
let l:hl_group = 'ALEVirtualTextInfo'
let l:type = get(l:loc, 'type', 'E')
if l:type is# 'E'
if get(l:loc, 'sub_type', '') is# 'style'
let l:hl_group = 'ALEVirtualTextStyleError'
else
let l:hl_group = 'ALEVirtualTextError'
endif
elseif l:type is# 'W'
if get(l:loc, 'sub_type', '') is# 'style'
let l:hl_group = 'ALEVirtualTextStyleWarning'
else
let l:hl_group = 'ALEVirtualTextWarning'
endif
endif
call ale#virtualtext#ShowMessage(l:msg, l:hl_group)
endif
endfunction
function! ale#virtualtext#ShowCursorWarningWithDelay() abort
let l:buffer = bufnr('')
if !g:ale_virtualtext_cursor
return
endif
if mode(1) isnot# 'n'
return
endif
call s:StopCursorTimer()
let l:pos = getpos('.')[0:2]
" Check the current buffer, line, and column number against the last
" recorded position. If the position has actually changed, *then*
" we should show something. Otherwise we can end up doing processing
" the show message far too frequently.
if l:pos != s:last_pos
let l:delay = ale#Var(l:buffer, 'virtualtext_delay')
let s:last_pos = l:pos
let s:cursor_timer = timer_start(
\ l:delay,
\ function('ale#virtualtext#ShowCursorWarning')
\)
endif
endfunction
|
