forked from github-mirrors/ale
rust-analyzer for non-Cargo projects (#4118)
* rust-analyzer in non-cargo projects rust-analyzer can also be used in non-cargo projects. This requires a rust-project.json file in the project root [1]. Make the rust-analyzer linter search for a rust-project.json file if no Cargo.toml file could be found. [1]: https://rust-analyzer.github.io/manual.html#non-cargo-based-projects * Document rust-analyzer without cargo * Test rust-analyzer with non-cargo projects Change the other rust tests to match the new directory structure of the test files.
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@ -9,9 +9,21 @@ function! ale_linters#rust#analyzer#GetCommand(buffer) abort
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endfunction
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function! ale_linters#rust#analyzer#GetProjectRoot(buffer) abort
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" Try to find nearest Cargo.toml for cargo projects
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let l:cargo_file = ale#path#FindNearestFile(a:buffer, 'Cargo.toml')
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return !empty(l:cargo_file) ? fnamemodify(l:cargo_file, ':h') : ''
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if !empty(l:cargo_file)
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return fnamemodify(l:cargo_file, ':h')
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endif
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" Try to find nearest rust-project.json for non-cargo projects
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let l:rust_project = ale#path#FindNearestFile(a:buffer, 'rust-project.json')
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if !empty(l:rust_project)
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return fnamemodify(l:rust_project, ':h')
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endif
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return ''
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endfunction
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call ale#linter#Define('rust', {
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@ -26,8 +26,10 @@ Integration Information
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4. analyzer -- If you have rust-analyzer installed, you might prefer using
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this linter over cargo and rls. rust-analyzer also implements the
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Language Server Protocol for incremental compilation of Rust code, and is
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the next iteration of rls. rust-analyzer, like rls, requires Rust files
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to be contained in Cargo projects.
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the next iteration of rls. rust-analyzer either requires Rust files to be
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contained in Cargo projects or requires the project to be described in
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the rust-project.json format:
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https://rust-analyzer.github.io/manual.html#non-cargo-based-projects
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5. rustfmt -- If you have `rustfmt` installed, you can use it as a fixer to
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consistently reformat your Rust code.
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@ -7,12 +7,19 @@ After:
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Execute(The default executable path should be correct):
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AssertLinter 'rust-analyzer', ale#Escape('rust-analyzer')
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Execute(The project root should be detected correctly):
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Execute(The project root should be detected correctly in cargo projects):
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AssertLSPProject ''
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call ale#test#SetFilename('../test-files/rust/test.rs')
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call ale#test#SetFilename('../test-files/rust/cargo/testfile.rs')
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AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/rust')
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AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/rust/cargo')
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Execute(The project root should be detected correctly in non-cargo projects):
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AssertLSPProject ''
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call ale#test#SetFilename('../test-files/rust/rust-project/testfile.rs')
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AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/rust/rust-project')
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Execute(Should accept configuration settings):
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AssertLSPConfig {}
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@ -20,9 +20,9 @@ Execute(The toolchain should be ommitted if not given):
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Execute(The project root should be detected correctly):
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AssertLSPProject ''
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call ale#test#SetFilename('../test-files/rust/test.rs')
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call ale#test#SetFilename('../test-files/rust/cargo/testfile.rs')
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AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/rust')
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AssertLSPProject ale#path#Simplify(g:dir . '/../test-files/rust/cargo')
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Execute(Should accept configuration settings):
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AssertLSPConfig {}
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@ -13,9 +13,9 @@ Execute(The options should be configurable):
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AssertLinter 'rustc', 'rustc --error-format=json --foo -'
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Execute(Some default paths should be included when the project is a Cargo project):
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call ale#test#SetFilename('../test-files/cargo/test.rs')
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call ale#test#SetFilename('../test-files/rust/cargo/testfile.rs')
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AssertLinter 'rustc', 'rustc --error-format=json --emit=mir -o /dev/null'
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\ . ' -L ' . ale#Escape(ale#path#GetAbsPath(g:dir, '../test-files/cargo/target/debug/deps'))
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\ . ' -L ' . ale#Escape(ale#path#GetAbsPath(g:dir, '../test-files/cargo/target/release/deps'))
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\ . ' -L ' . ale#Escape(ale#path#GetAbsPath(g:dir, '../test-files/rust/cargo/target/debug/deps'))
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\ . ' -L ' . ale#Escape(ale#path#GetAbsPath(g:dir, '../test-files/rust/cargo/target/release/deps'))
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\ . ' -'
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