diff --git a/ale_linters/rust/analyzer.vim b/ale_linters/rust/analyzer.vim new file mode 100644 index 0000000000..3666ec0361 --- /dev/null +++ b/ale_linters/rust/analyzer.vim @@ -0,0 +1,24 @@ +" Author: Jon Gjengset +" Description: The next generation language server for Rust + +call ale#Set('rust_analyzer_executable', 'rust-analyzer') +call ale#Set('rust_analyzer_config', {}) + +function! ale_linters#rust#analyzer#GetCommand(buffer) abort + return '%e' +endfunction + +function! ale_linters#rust#analyzer#GetProjectRoot(buffer) abort + let l:cargo_file = ale#path#FindNearestFile(a:buffer, 'Cargo.toml') + + return !empty(l:cargo_file) ? fnamemodify(l:cargo_file, ':h') : '' +endfunction + +call ale#linter#Define('rust', { +\ 'name': 'analyzer', +\ 'lsp': 'stdio', +\ 'lsp_config': {b -> ale#Var(b, 'rust_analyzer_config')}, +\ 'executable': {b -> ale#Var(b, 'rust_analyzer_executable')}, +\ 'command': function('ale_linters#rust#analyzer#GetCommand'), +\ 'project_root': function('ale_linters#rust#analyzer#GetProjectRoot'), +\}) diff --git a/doc/ale-rust.txt b/doc/ale-rust.txt index 44a79b188f..46d4714b36 100644 --- a/doc/ale-rust.txt +++ b/doc/ale-rust.txt @@ -9,7 +9,7 @@ Integration Information files for Rust distributed in Vim >=8.0.0501 or upstream: https://github.com/rust-lang/rust.vim - Note that there are three possible linters for Rust files: + Note that there are several possible linters and fixers for Rust files: 1. rustc -- The Rust compiler is used to check the currently edited file. So, if your project consists of multiple files, you will get some errors @@ -23,7 +23,12 @@ Integration Information over cargo. rls implements the Language Server Protocol for incremental compilation of Rust code, and can check Rust files while you type. `rls` requires Rust files to contained in Cargo projects. - 4. rustfmt -- If you have `rustfmt` installed, you can use it as a fixer to + 4. analyzer -- If you have rust-analyzer installed, you might prefer using + this linter over cargo and rls. rust-analyzer also implements the + Language Server Protocol for incremental compilation of Rust code, and is + the next iteration of rls. rust-analyzer, like rls, requires Rust files + to contained in Cargo projects. + 5. rustfmt -- If you have `rustfmt` installed, you can use it as a fixer to consistently reformat your Rust code. Only cargo is enabled by default. To switch to using rustc instead of cargo, @@ -36,6 +41,25 @@ Integration Information Also note that rustc 1.12. or later is needed. +=============================================================================== +analyzer *ale-rust-analyzer* + +g:ale_rust_analyzer_executable *g:ale_rust_analyzer_executable* + *b:ale_rust_analyzer_executable* + Type: |String| + Default: `'rust-analyzer'` + + This variable can be modified to change the executable path for + `rust-analyzer`. + + +g:ale_rust_analyzer_config *g:ale_rust_analyzer_config* + *b:ale_rust_analyzer_config* + Type: |Dictionary| + Default: `{}` + + Dictionary with configuration settings for rust-analyzer. + =============================================================================== cargo *ale-rust-cargo* diff --git a/doc/ale-supported-languages-and-tools.txt b/doc/ale-supported-languages-and-tools.txt index a5b7c35e3c..2076617b4e 100644 --- a/doc/ale-supported-languages-and-tools.txt +++ b/doc/ale-supported-languages-and-tools.txt @@ -404,6 +404,7 @@ Notes: * Rust * `cargo`!! * `rls` + * `rust-analyzer` * `rustc` (see |ale-integration-rust|) * `rustfmt` * Sass diff --git a/doc/ale.txt b/doc/ale.txt index 01b6181d2a..01b8f858c3 100644 --- a/doc/ale.txt +++ b/doc/ale.txt @@ -2409,6 +2409,7 @@ documented in additional help files. sorbet................................|ale-ruby-sorbet| standardrb............................|ale-ruby-standardrb| rust....................................|ale-rust-options| + analyzer..............................|ale-rust-analyzer| cargo.................................|ale-rust-cargo| rls...................................|ale-rust-rls| rustc.................................|ale-rust-rustc| diff --git a/supported-tools.md b/supported-tools.md index 226baeaf58..90dd719f71 100644 --- a/supported-tools.md +++ b/supported-tools.md @@ -413,6 +413,7 @@ formatting. * Rust * [cargo](https://github.com/rust-lang/cargo) :floppy_disk: (see `:help ale-integration-rust` for configuration instructions) * [rls](https://github.com/rust-lang-nursery/rls) :warning: + * [rust-analyzer](https://github.com/rust-analyzer/rust-analyzer) :warning: * [rustc](https://www.rust-lang.org/) :warning: * [rustfmt](https://github.com/rust-lang-nursery/rustfmt) * Sass diff --git a/test/command_callback/test_rust_analyzer_callbacks.vader b/test/command_callback/test_rust_analyzer_callbacks.vader new file mode 100644 index 0000000000..9586607625 --- /dev/null +++ b/test/command_callback/test_rust_analyzer_callbacks.vader @@ -0,0 +1,20 @@ +Before: + call ale#assert#SetUpLinterTest('rust', 'analyzer') + +After: + call ale#assert#TearDownLinterTest() + +Execute(The default executable path should be correct): + AssertLinter 'rust-analyzer', ale#Escape('rust-analyzer') + +Execute(The project root should be detected correctly): + AssertLSPProject '' + + call ale#test#SetFilename('rust-rls-project/test.rs') + + AssertLSPProject ale#path#Simplify(g:dir . '/rust-rls-project') + +Execute(Should accept configuration settings): + AssertLSPConfig {} + let b:ale_rust_analyzer_config = {'rust': {'clippy_preference': 'on'}} + AssertLSPConfig {'rust': {'clippy_preference': 'on'}}