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" Author: Nick James <github@nsjuk.xyz>
" Description: nagelfar linter for tcl files
call ale#Set('tcl_nagelfar_executable', 'nagelfar.tcl')
call ale#Set('tcl_nagelfar_options', '')
function! ale_linters#tcl#nagelfar#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'tcl_nagelfar_executable')
endfunction
function! ale_linters#tcl#nagelfar#GetCommand(buffer) abort
let l:options = ale#Var(a:buffer, 'tcl_nagelfar_options')
return ale#Escape(ale_linters#tcl#nagelfar#GetExecutable(a:buffer))
\ . (!empty(l:options) ? ' ' . l:options : '')
\ . ' %s'
endfunction
function! ale_linters#tcl#nagelfar#Handle(buffer, lines) abort
" Matches patterns like the following:
" Line 5: W Found constant "bepa" which is also a variable.
" Line 13: E Wrong number of arguments (3) to "set"
" Line 93: N Close brace not aligned with line 90 (4 0)
let l:pattern = '^Line\s\+\([0-9]\+\): \([NEW]\) \(.*\)$'
let l:output = []
for l:match in ale#util#GetMatches(a:lines, l:pattern)
call add(l:output, {
\ 'lnum': l:match[1] + 0,
\ 'type': l:match[2] ==# 'N' ? 'W' : l:match[2],
\ 'text': l:match[3],
\})
endfor
return l:output
endfunction
call ale#linter#Define('tcl', {
\ 'name': 'nagelfar',
\ 'output_stream': 'stdout',
\ 'executable_callback': 'ale_linters#tcl#nagelfar#GetExecutable',
\ 'command_callback': 'ale_linters#tcl#nagelfar#GetCommand',
\ 'callback': 'ale_linters#tcl#nagelfar#Handle',
\ 'lint_file': 1,
\})
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