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" Author: Daniel Schemala <istjanichtzufassen@gmail.com>
" Description: rustc for rust files
call ale#Set('rust_rustc_options', '--emit=mir -o /dev/null')
function! ale_linters#rust#rustc#RustcCommand(buffer) abort
" Try to guess the library search path. If the project is managed by cargo,
" it's usually <project root>/target/debug/deps/ or
" <project root>/target/release/deps/
let l:cargo_file = ale#path#FindNearestFile(a:buffer, 'Cargo.toml')
if l:cargo_file isnot# ''
let l:root = fnamemodify(l:cargo_file, ':h')
let l:dependencies = ' -L ' . ale#Escape(ale#path#GetAbsPath(l:root, 'target/debug/deps'))
\ . ' -L ' . ale#Escape(ale#path#GetAbsPath(l:root, 'target/release/deps'))
else
let l:dependencies = ''
endif
let l:options = ale#Var(a:buffer, 'rust_rustc_options')
return 'rustc --error-format=json'
\ . (!empty(l:options) ? ' ' . l:options : '')
\ . l:dependencies . ' -'
endfunction
call ale#linter#Define('rust', {
\ 'name': 'rustc',
\ 'executable': 'rustc',
\ 'command': function('ale_linters#rust#rustc#RustcCommand'),
\ 'callback': 'ale#handlers#rust#HandleRustErrors',
\ 'output_stream': 'stderr',
\})
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