summaryrefslogtreecommitdiff
path: root/ale_linters/idris/idris.vim
blob: 115d04fc9deb68e8944f47cc7e45684f6affaa4f (plain)
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
" Author: Scott Bonds <scott@ggr.com>
" Description: default Idris compiler

call ale#Set('idris_idris_executable', 'idris')
call ale#Set('idris_idris_options', '--total --warnpartial --warnreach --warnipkg')

function! ale_linters#idris#idris#GetExecutable(buffer) abort
    return ale#Var(a:buffer, 'idris_idris_executable')
endfunction

function! ale_linters#idris#idris#GetCommand(buffer) abort
    let l:options = ale#Var(a:buffer, 'idris_idris_options')

    return ale#Escape(ale_linters#idris#idris#GetExecutable(a:buffer))
    \   . (!empty(l:options) ? ' ' . l:options : '')
    \   . ' --check %s'
endfunction

function! ale_linters#idris#idris#Handle(buffer, lines) abort
    " This was copied almost verbatim from ale#handlers#haskell#HandleGHCFormat

    " Look for lines like the following:
    " foo.idr:2:6:When checking right hand side of main with expected type
    " bar.idr:11:11-13:
    let l:pattern = '\v^([a-zA-Z]?:?[^:]+):(\d+):(\d+)(-\d+)?:(.*)?$'
    let l:output = []

    let l:corrected_lines = []

    for l:line in a:lines
        if len(matchlist(l:line, l:pattern)) > 0
            call add(l:corrected_lines, l:line)
        elseif len(l:corrected_lines) > 0
            if l:line is# ''
                let l:corrected_lines[-1] .= ' ' " turn a blank line into a space
            else
                let l:corrected_lines[-1] .= l:line
            endif
            let l:corrected_lines[-1] = substitute(l:corrected_lines[-1], '\s\+', ' ', 'g')
        endif
    endfor

    for l:line in l:corrected_lines
        let l:match = matchlist(l:line, l:pattern)

        if len(l:match) == 0
            continue
        endif

        if !ale#path#IsBufferPath(a:buffer, l:match[1])
            continue
        endif

        let l:errors = matchlist(l:match[5], '\v([wW]arning|[eE]rror) - ?(.*)')

        if len(l:errors) > 0
          let l:ghc_type = l:errors[1]
          let l:text = l:errors[2]
        else
          let l:ghc_type = ''
          let l:text = l:match[5][:0] is# ' ' ? l:match[5][1:] : l:match[5]
        endif

        if l:ghc_type is? 'Warning'
            let l:type = 'W'
        else
            let l:type = 'E'
        endif

        call add(l:output, {
        \   'lnum': l:match[2] + 0,
        \   'col': l:match[3] + 0,
        \   'text': l:text,
        \   'type': l:type,
        \})
    endfor

    return l:output
endfunction

call ale#linter#Define('idris', {
\   'name': 'idris',
\   'executable_callback': 'ale_linters#idris#idris#GetExecutable',
\   'command_callback': 'ale_linters#idris#idris#GetCommand',
\   'callback': 'ale_linters#idris#idris#Handle',
\})