Merge commit '76265755a1add77121c8f9dabb3e9bb70fe9a972' as '.vim/bundle/ale'

[etc/vim.git] / .vim / bundle / ale / ale_linters / rust / cargo.vim

diff --git a/.vim/bundle/ale/ale_linters/rust/cargo.vim b/.vim/bundle/ale/ale_linters/rust/cargo.vim
new file mode 100644 (file)
index 0000000..37fd10a
--- /dev/null
+++ b/.vim/bundle/ale/ale_linters/rust/cargo.vim
@@ -0,0 +1,110 @@
+" 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,
+\})