48 lines
1.5 KiB
VimL
48 lines
1.5 KiB
VimL
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" Author: Luxed <devildead13@gmail.com>
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" Description: A language server for Haskell
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call ale#Set('haskell_hie_executable', 'hie')
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function! ale_linters#haskell#hie#GetProjectRoot(buffer) abort
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" Search for the stack file first
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let l:project_file = ale#path#FindNearestFile(a:buffer, 'stack.yaml')
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" If it's empty, search for the cabal file
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if empty(l:project_file)
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let l:cabal_file = fnamemodify(bufname(a:buffer), ':p:h')
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let l:paths = ''
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while empty(matchstr(l:cabal_file, '^\(\/\|\(\w:\\\)\)$'))
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let l:cabal_file = fnamemodify(l:cabal_file, ':h')
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let l:paths = l:paths . l:cabal_file . ','
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endwhile
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let l:project_file = globpath(l:paths, '*.cabal')
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endif
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" Either extract the project directory or take the current working
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" directory
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if !empty(l:project_file)
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let l:project_file = fnamemodify(l:project_file, ':h')
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else
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let l:project_file = expand('#' . a:buffer . ':p:h')
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endif
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return l:project_file
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endfunction
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function! ale_linters#haskell#hie#GetCommand(buffer) abort
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let l:executable = ale#Var(a:buffer, 'haskell_hie_executable')
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return ale#handlers#haskell_stack#EscapeExecutable(l:executable, 'hie')
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\ . ' --lsp'
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endfunction
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call ale#linter#Define('haskell', {
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\ 'name': 'hie',
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\ 'lsp': 'stdio',
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\ 'command_callback': 'ale_linters#haskell#hie#GetCommand',
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\ 'executable_callback': ale#VarFunc('haskell_hie_executable'),
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\ 'project_root_callback': 'ale_linters#haskell#hie#GetProjectRoot',
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\})
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