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
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
|
" Author: buffalocoder - https://github.com/buffalocoder, soywod - https://github.com/soywod, hecrj - https://github.com/hecrj
" Description: Elm linting in Ale. Closely follows the Syntastic checker in https://github.com/ElmCast/elm-vim.
call ale#Set('elm_make_executable', 'elm')
call ale#Set('elm_make_use_global', get(g:, 'ale_use_global_executables', 0))
function! ale_linters#elm#make#Handle(buffer, lines) abort
let l:output = []
let l:unparsed_lines = []
for l:line in a:lines
if l:line[0] is# '{'
" Elm 0.19
call ale_linters#elm#make#HandleElm019Line(l:line, l:output)
elseif l:line[0] is# '['
" Elm 0.18
call ale_linters#elm#make#HandleElm018Line(l:line, l:output)
elseif l:line isnot# 'Successfully generated /dev/null'
call add(l:unparsed_lines, l:line)
endif
endfor
if len(l:unparsed_lines) > 0
call add(l:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:unparsed_lines[0],
\ 'detail': join(l:unparsed_lines, "\n")
\})
endif
return l:output
endfunction
function! ale_linters#elm#make#HandleElm019Line(line, output) abort
let l:report = json_decode(a:line)
if l:report.type is? 'error'
" General problem
let l:details = ale_linters#elm#make#ParseMessage(l:report.message)
if empty(l:report.path)
let l:report.path = 'Elm'
endif
if ale_linters#elm#make#FileIsBuffer(l:report.path)
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:details,
\})
else
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:report.path .' - '. l:details,
\ 'detail': l:report.path ." ----------\n\n". l:details,
\})
endif
else
" Compilation errors
for l:error in l:report.errors
let l:file_is_buffer = ale_linters#elm#make#FileIsBuffer(l:error.path)
for l:problem in l:error.problems
let l:details = ale_linters#elm#make#ParseMessage(l:problem.message)
if l:file_is_buffer
" Buffer module has problems
call add(a:output, {
\ 'lnum': l:problem.region.start.line,
\ 'col': l:problem.region.start.column,
\ 'end_lnum': l:problem.region.end.line,
\ 'end_col': l:problem.region.end.column,
\ 'type': 'E',
\ 'text': l:details,
\})
else
" Imported module has problems
let l:location = l:error.path .':'. l:problem.region.start.line
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:location .' - '. l:details,
\ 'detail': l:location ." ----------\n\n". l:details,
\})
endif
endfor
endfor
endif
endfunction
function! ale_linters#elm#make#HandleElm018Line(line, output) abort
let l:errors = json_decode(a:line)
for l:error in l:errors
let l:file_is_buffer = ale_linters#elm#make#FileIsBuffer(l:error.file)
if l:file_is_buffer
" Current buffer has problems
call add(a:output, {
\ 'lnum': l:error.region.start.line,
\ 'col': l:error.region.start.column,
\ 'end_lnum': l:error.region.end.line,
\ 'end_col': l:error.region.end.column,
\ 'type': (l:error.type is? 'error') ? 'E' : 'W',
\ 'text': l:error.overview,
\ 'detail': l:error.overview . "\n\n" . l:error.details
\})
elseif l:error.type is? 'error'
" Imported module has errors
let l:location = l:error.file .':'. l:error.region.start.line
call add(a:output, {
\ 'lnum': 1,
\ 'type': 'E',
\ 'text': l:location .' - '. l:error.overview,
\ 'detail': l:location ." ----------\n\n". l:error.overview . "\n\n" . l:error.details
\})
endif
endfor
endfunction
function! ale_linters#elm#make#FileIsBuffer(path) abort
return ale#path#IsTempName(a:path)
endfunction
function! ale_linters#elm#make#ParseMessage(message) abort
return join(map(copy(a:message), 'ale_linters#elm#make#ParseMessageItem(v:val)'), '')
endfunction
function! ale_linters#elm#make#ParseMessageItem(item) abort
if type(a:item) is v:t_string
return a:item
else
return a:item.string
endif
endfunction
function! ale_linters#elm#make#GetPackageFile(buffer) abort
let l:elm_json = ale#path#FindNearestFile(a:buffer, 'elm.json')
if empty(l:elm_json)
" Fallback to Elm 0.18
let l:elm_json = ale#path#FindNearestFile(a:buffer, 'elm-package.json')
endif
return l:elm_json
endfunction
function! ale_linters#elm#make#IsVersionGte19(buffer) abort
let l:elm_json = ale_linters#elm#make#GetPackageFile(a:buffer)
if l:elm_json =~# '-package'
return 0
else
return 1
endif
endfunction
function! ale_linters#elm#make#GetRootDir(buffer) abort
let l:elm_json = ale_linters#elm#make#GetPackageFile(a:buffer)
if empty(l:elm_json)
return ''
else
return fnamemodify(l:elm_json, ':p:h')
endif
endfunction
function! ale_linters#elm#make#IsTest(buffer) abort
let l:root_dir = ale_linters#elm#make#GetRootDir(a:buffer)
if empty(l:root_dir)
return 0
endif
let l:tests_dir = join([l:root_dir, 'tests', ''], has('win32') ? '\' : '/')
let l:buffer_path = fnamemodify(bufname(a:buffer), ':p')
if stridx(l:buffer_path, l:tests_dir) == 0
return 1
else
return 0
endif
endfunction
" Return the command to execute the linter in the projects directory.
" If it doesn't, then this will fail when imports are needed.
function! ale_linters#elm#make#GetCommand(buffer) abort
let l:root_dir = ale_linters#elm#make#GetRootDir(a:buffer)
if empty(l:root_dir)
let l:dir_set_cmd = ''
else
let l:dir_set_cmd = 'cd ' . ale#Escape(l:root_dir) . ' && '
endif
" The elm compiler, at the time of this writing, uses '/dev/null' as
" a sort of flag to tell the compiler not to generate an output file,
" which is why this is hard coded here.
" Source: https://github.com/elm-lang/elm-compiler/blob/19d5a769b30ec0b2fc4475985abb4cd94cd1d6c3/builder/src/Generate/Output.hs#L253
return l:dir_set_cmd . '%e make --report=json --output=/dev/null %t'
endfunction
function! ale_linters#elm#make#GetExecutable(buffer) abort
let l:is_test = ale_linters#elm#make#IsTest(a:buffer)
let l:is_v19 = ale_linters#elm#make#IsVersionGte19(a:buffer)
if l:is_test && l:is_v19
return ale#node#FindExecutable(
\ a:buffer,
\ 'elm_make',
\ ['node_modules/.bin/elm-test', 'node_modules/.bin/elm']
\ )
else
return ale#node#FindExecutable(a:buffer, 'elm_make', ['node_modules/.bin/elm'])
endif
endfunction
call ale#linter#Define('elm', {
\ 'name': 'make',
\ 'executable_callback': 'ale_linters#elm#make#GetExecutable',
\ 'output_stream': 'both',
\ 'command_callback': 'ale_linters#elm#make#GetCommand',
\ 'callback': 'ale_linters#elm#make#Handle'
\})
|
