48 lines
1.6 KiB
VimL
48 lines
1.6 KiB
VimL
" Author: Daniel Schemala <istjanichtzufassen@gmail.com>
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" Description: rustc invoked by cargo for rust files
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call ale#Set('rust_cargo_use_check', 1)
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call ale#Set('rust_cargo_check_all_targets', 1)
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function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort
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if ale#path#FindNearestFile(a:bufnr, 'Cargo.toml') isnot# ''
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return 'cargo'
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else
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" if there is no Cargo.toml file, we don't use cargo even if it exists,
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" so we return '', because executable('') apparently always fails
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return ''
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endif
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endfunction
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function! ale_linters#rust#cargo#VersionCheck(buffer) abort
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return !ale#semver#HasVersion('cargo')
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\ ? 'cargo --version'
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\ : ''
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endfunction
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function! ale_linters#rust#cargo#GetCommand(buffer, version_output) abort
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let l:version = ale#semver#GetVersion('cargo', a:version_output)
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let l:use_check = ale#Var(a:buffer, 'rust_cargo_use_check')
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\ && ale#semver#GTE(l:version, [0, 17, 0])
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let l:use_all_targets = l:use_check
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\ && ale#Var(a:buffer, 'rust_cargo_check_all_targets')
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\ && ale#semver#GTE(l:version, [0, 22, 0])
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return 'cargo '
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\ . (l:use_check ? 'check' : 'build')
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\ . (l:use_all_targets ? ' --all-targets' : '')
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\ . ' --frozen --message-format=json -q'
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endfunction
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call ale#linter#Define('rust', {
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\ 'name': 'cargo',
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\ 'executable_callback': 'ale_linters#rust#cargo#GetCargoExecutable',
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\ 'command_chain': [
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\ {'callback': 'ale_linters#rust#cargo#VersionCheck'},
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\ {'callback': 'ale_linters#rust#cargo#GetCommand'},
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\ ],
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\ 'callback': 'ale#handlers#rust#HandleRustErrors',
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\ 'output_stream': 'both',
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\ 'lint_file': 1,
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\})
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