Add initial support for named-checkzone linter (#4961)

Co-authored-by: ds <ds@local>

ale_linters/bindzone/checkzone.vim

@@ -0,0 +1,43 @@
+" Description: named-checkzone for bindzone
+
+call ale#Set('bindzone_checkzone_executable', 'named-checkzone')
+call ale#Set('bindzone_checkzone_options', '-c IN')
+
+function! ale_linters#bindzone#checkzone#GetCommand(buffer) abort
+    return '%e' . ale#Pad(ale#Var(a:buffer, 'bindzone_checkzone_options'))
+    \   . ' example.com %t'
+endfunction
+
+function! ale_linters#bindzone#checkzone#Handle(buffer, lines) abort
+    let l:warning_pattern = '\vzone example.com/IN: (.+)$'
+    let l:error_pattern = '\v:(\d+): (.+)$'
+    let l:output = []
+
+    for l:match in ale#util#GetMatches(a:lines, l:error_pattern)
+        let l:lnum = l:match[1]
+        let l:text = l:match[2]
+
+        call add(l:output, {'text': l:text, 'lnum': l:lnum + 0, 'type': 'E'})
+    endfor
+
+    for l:match in ale#util#GetMatches(a:lines, l:warning_pattern)
+        let l:text = l:match[1]
+
+        " Ignore information messages
+        let l:scrub_match = matchlist(l:text, '\v(loaded serial|not loaded due to) ')
+
+        if empty(l:scrub_match)
+            call add(l:output, {'text': l:text, 'lnum': 0, 'type': 'W'})
+        endif
+    endfor
+
+    return l:output
+endfunction
+
+call ale#linter#Define('bindzone', {
+\   'name': 'checkzone',
+\   'executable': {b -> ale#Var(b, 'bindzone_checkzone_executable')},
+\   'command': function('ale_linters#bindzone#checkzone#GetCommand'),
+\   'callback': 'ale_linters#bindzone#checkzone#Handle',
+\   'read_buffer': 0,
+\})