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" Author: Daniel Schemala <istjanichtzufassen@gmail.com>,
" Ivan Petkov <ivanppetkov@gmail.com>
" Description: rustc invoked by cargo for rust files
call ale#Set('rust_cargo_use_check', 1)
call ale#Set('rust_cargo_check_all_targets', 0)
call ale#Set('rust_cargo_check_examples', 0)
call ale#Set('rust_cargo_check_tests', 0)
call ale#Set('rust_cargo_avoid_whole_workspace', 1)
call ale#Set('rust_cargo_default_feature_behavior', 'default')
call ale#Set('rust_cargo_include_features', '')
call ale#Set('rust_cargo_use_clippy', 0)
call ale#Set('rust_cargo_clippy_options', '')
call ale#Set('rust_cargo_target_dir', '')
function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort
if ale#path#FindNearestFile(a:bufnr, 'Cargo.toml') isnot# ''
return 'cargo'
else
" if there is no Cargo.toml file, we don't use cargo even if it exists,
" so we return '', because executable('') apparently always fails
return ''
endif
endfunction
function! ale_linters#rust#cargo#GetCwd(buffer) abort
if ale#Var(a:buffer, 'rust_cargo_avoid_whole_workspace')
let l:nearest_cargo = ale#path#FindNearestFile(a:buffer, 'Cargo.toml')
let l:nearest_cargo_dir = fnamemodify(l:nearest_cargo, ':h')
if l:nearest_cargo_dir isnot# '.'
return l:nearest_cargo_dir
endif
endif
return ''
endfunction
function! ale_linters#rust#cargo#GetCommand(buffer, version) abort
let l:use_check = ale#Var(a:buffer, 'rust_cargo_use_check')
\ && ale#semver#GTE(a:version, [0, 17, 0])
let l:use_all_targets = ale#Var(a:buffer, 'rust_cargo_check_all_targets')
\ && ale#semver#GTE(a:version, [0, 22, 0])
let l:use_examples = ale#Var(a:buffer, 'rust_cargo_check_examples')
\ && ale#semver#GTE(a:version, [0, 22, 0])
let l:use_tests = ale#Var(a:buffer, 'rust_cargo_check_tests')
\ && ale#semver#GTE(a:version, [0, 22, 0])
let l:target_dir = ale#Var(a:buffer, 'rust_cargo_target_dir')
let l:use_target_dir = !empty(l:target_dir)
\ && ale#semver#GTE(a:version, [0, 17, 0])
let l:include_features = ale#Var(a:buffer, 'rust_cargo_include_features')
if !empty(l:include_features)
let l:include_features = ' --features ' . ale#Escape(l:include_features)
endif
let l:default_feature_behavior = ale#Var(a:buffer, 'rust_cargo_default_feature_behavior')
if l:default_feature_behavior is# 'all'
let l:include_features = ''
let l:default_feature = ' --all-features'
elseif l:default_feature_behavior is# 'none'
let l:default_feature = ' --no-default-features'
else
let l:default_feature = ''
endif
let l:subcommand = l:use_check ? 'check' : 'build'
let l:clippy_options = ''
if ale#Var(a:buffer, 'rust_cargo_use_clippy')
let l:subcommand = 'clippy'
let l:clippy_options = ale#Var(a:buffer, 'rust_cargo_clippy_options')
if l:clippy_options =~# '^-- '
let l:clippy_options = join(split(l:clippy_options, '-- '))
endif
if l:clippy_options isnot# ''
let l:clippy_options = ' -- ' . l:clippy_options
endif
endif
return 'cargo '
\ . l:subcommand
\ . (l:use_all_targets ? ' --all-targets' : '')
\ . (l:use_examples ? ' --examples' : '')
\ . (l:use_tests ? ' --tests' : '')
\ . (l:use_target_dir ? (' --target-dir ' . ale#Escape(l:target_dir)) : '')
\ . ' --frozen --message-format=json -q'
\ . l:default_feature
\ . l:include_features
\ . l:clippy_options
endfunction
call ale#linter#Define('rust', {
\ 'name': 'cargo',
\ 'executable': function('ale_linters#rust#cargo#GetCargoExecutable'),
\ 'cwd': function('ale_linters#rust#cargo#GetCwd'),
\ 'command': {buffer -> ale#semver#RunWithVersionCheck(
\ buffer,
\ ale_linters#rust#cargo#GetCargoExecutable(buffer),
\ '%e --version',
\ function('ale_linters#rust#cargo#GetCommand'),
\ )},
\ 'callback': 'ale#handlers#rust#HandleRustErrors',
\ 'output_stream': 'both',
\ 'lint_file': 1,
\})
|
