diff options
Diffstat (limited to 'ale_linters/rust/cargo.vim')
| -rw-r--r-- | ale_linters/rust/cargo.vim | 65 |
1 files changed, 60 insertions, 5 deletions
diff --git a/ale_linters/rust/cargo.vim b/ale_linters/rust/cargo.vim index c887ea79..f41cb4b6 100644 --- a/ale_linters/rust/cargo.vim +++ b/ale_linters/rust/cargo.vim @@ -1,7 +1,10 @@ " Author: Daniel Schemala <istjanichtzufassen@gmail.com> " Description: rustc invoked by cargo for rust files -let g:ale_rust_cargo_use_check = get(g:, 'ale_rust_cargo_use_check', 0) +call ale#Set('rust_cargo_use_check', 1) +call ale#Set('rust_cargo_check_all_targets', 1) + +let s:version_cache = {} function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort if ale#path#FindNearestFile(a:bufnr, 'Cargo.toml') isnot# '' @@ -13,18 +16,70 @@ function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort endif endfunction -function! ale_linters#rust#cargo#GetCommand(buffer) abort - let l:command = ale#Var(a:buffer, 'rust_cargo_use_check') +function! ale_linters#rust#cargo#VersionCheck(buffer) abort + if has_key(s:version_cache, 'cargo') + return '' + endif + + return 'cargo --version' +endfunction + +function! s:GetVersion(executable, output) abort + let l:version = get(s:version_cache, a:executable, []) + + for l:match in ale#util#GetMatches(a:output, '\v\d+\.\d+\.\d+') + let l:version = ale#semver#Parse(l:match[0]) + let s:version_cache[a:executable] = l:version + endfor + + return l:version +endfunction + +function! s:CanUseCargoCheck(buffer, version) abort + " Allow `cargo check` to be disabled. + if !ale#Var(a:buffer, 'rust_cargo_use_check') + return 0 + endif + + return !empty(a:version) + \ && ale#semver#GreaterOrEqual(a:version, [0, 17, 0]) +endfunction + +function! s:CanUseAllTargets(buffer, version) abort + if !ale#Var(a:buffer, 'rust_cargo_use_check') + return 0 + endif + + if !ale#Var(a:buffer, 'rust_cargo_check_all_targets') + return 0 + endif + + return !empty(a:version) + \ && ale#semver#GreaterOrEqual(a:version, [0, 22, 0]) +endfunction + +function! ale_linters#rust#cargo#GetCommand(buffer, version_output) abort + let l:version = s:GetVersion('cargo', a:version_output) + let l:command = s:CanUseCargoCheck(a:buffer, l:version) \ ? 'check' \ : 'build' + let l:all_targets = s:CanUseAllTargets(a:buffer, l:version) + \ ? ' --all-targets' + \ : '' - return 'cargo ' . l:command . ' --frozen --message-format=json -q' + return 'cargo ' + \ . l:command + \ . l:all_targets + \ . ' --frozen --message-format=json -q' endfunction call ale#linter#Define('rust', { \ 'name': 'cargo', \ 'executable_callback': 'ale_linters#rust#cargo#GetCargoExecutable', -\ 'command_callback': 'ale_linters#rust#cargo#GetCommand', +\ 'command_chain': [ +\ {'callback': 'ale_linters#rust#cargo#VersionCheck'}, +\ {'callback': 'ale_linters#rust#cargo#GetCommand'}, +\ ], \ 'callback': 'ale#handlers#rust#HandleRustErrors', \ 'output_stream': 'both', \ 'lint_file': 1, |