vim-config/ale_linters/haskell/argon.vim

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" Author: Julian Ospald <hasufell@hasufell.de>
" Description: argon for Haskell files
call ale#Set('haskell_argon_executable', 'argon')
call ale#Set('haskell_argon_options', '')
call ale#Set('haskell_argon_error_level', 12)
call ale#Set('haskell_argon_warn_level', 8)
call ale#Set('haskell_argon_info_level', 4)
function! ale_linters#haskell#argon#GetExecutable(buffer) abort
return ale#Var(a:buffer, 'haskell_argon_executable')
endfunction
function! ale_linters#haskell#argon#GetCommand(buffer) abort
return ale#Escape(ale_linters#haskell#argon#GetExecutable(a:buffer))
\ . ' '
\ . ale#Var(a:buffer, 'haskell_argon_options')
\ . ' -m ' . ale#Var(a:buffer, 'haskell_argon_info_level')
\ . ' -j'
\ . ' %t'
endfunction
function! ale_linters#haskell#argon#Handle(buffer, lines) abort
let l:output = []
for l:error in ale#util#FuzzyJSONDecode(a:lines, [])
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if !has_key(l:error, 'blocks')
" this cannot be formatted properly into an ALE error
execute 'echom ''[argon] '' l:error.message'
return l:output
endif
for l:block in l:error.blocks
let l:complexity = l:block.complexity
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if l:complexity >= ale#Var(a:buffer, 'haskell_argon_error_level')
let l:type = 'E'
let l:max_c = ale#Var(a:buffer, 'haskell_argon_error_level')
elseif l:complexity >= ale#Var(a:buffer, 'haskell_argon_warn_level')
let l:type = 'W'
let l:max_c = ale#Var(a:buffer, 'haskell_argon_warn_level')
else
let l:type = 'I'
let l:max_c = ale#Var(a:buffer, 'haskell_argon_info_level')
endif
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call add(l:output, {
\ 'filename': l:error.path,
\ 'lnum': l:block.lineno,
\ 'col': l:block.col,
\ 'text': l:block.name . ': cyclomatic complexity of ' . l:complexity,
\ 'type': l:type,
\})
endfor
endfor
return l:output
endfunction
call ale#linter#Define('haskell', {
\ 'name': 'argon',
\ 'executable_callback': 'ale_linters#haskell#argon#GetExecutable',
\ 'command_callback': 'ale_linters#haskell#argon#GetCommand',
\ 'callback': 'ale_linters#haskell#argon#Handle',
\})