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Teach ALE about cargo features and add some configuration options

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* When working on rust/cargo projects of varying sizes, it may be useful
to either build all possible features (i.e. lint all possible
conditionally compiled code), or even turn off other features for a
quicker edit-lint cycle (e.g. for large projects with large build times)
* Added a g:ale_rust_cargo_default_feature_behavior flag for instructing
cargo to not build any features at all (via `--no-default-features`),
building default features (via no extra flags), or building all possible
features (via `--all-features`)
* Also added a g:ale_rust_cargo_include_features flag for including
arbitrary features to be checked by cargo. When coupled with
g:ale_rust_cargo_default_feature_behavior this allows for full
customization of what features are checked and which ones are ignored
This commit is contained in:
Ivan Petkov
2018-01-09 19:18:18 -08:00
parent f1747901cc
commit 2ef45ab745
3 changed files with 99 additions and 1 deletions
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ale_linters/rust/cargo.vim
+21 -1
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@@ -1,8 +1,11 @@
" Author: Daniel Schemala <istjanichtzufassen@gmail.com>
" 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_default_feature_behavior', 'default')
call ale#Set('rust_cargo_include_features', '')
function! ale_linters#rust#cargo#GetCargoExecutable(bufnr) abort
if ale#path#FindNearestFile(a:bufnr, 'Cargo.toml') isnot# ''
@@ -29,10 +32,27 @@ function! ale_linters#rust#cargo#GetCommand(buffer, version_output) abort
\ && ale#Var(a:buffer, 'rust_cargo_check_all_targets')
\ && ale#semver#GTE(l:version, [0, 22, 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
return 'cargo '
\ . (l:use_check ? 'check' : 'build')
\ . (l:use_all_targets ? ' --all-targets' : '')
\ . ' --frozen --message-format=json -q'
\ . l:default_feature
\ . l:include_features
endfunction
call ale#linter#Define('rust', {