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Yegappan Lakshmanan edited this page May 26, 2023 · 37 revisions

Language Server Specific Configuration

Information about using various language servers with the LSP plugin is below. A sample VimScript code snippet is given for each language server to register the server with the LSP plugin. A sample absolute path to the language server executable is used in these examples. You may need to modify the path to match where the language server is installed in your system. In some cases, it may be simpler to add the language server path to the PATH environment variable.

Angular Language Server

Language: HTML

Home Page: https://github.com/angular/vscode-ng-language-service

Sample code to add the bash language server to the LSP plugin:

call LspAddServer([#{name: 'angular',
                 \   filetype: 'html',
                 \   path: '/usr/local/bin/ngserver.cmd',
                 \   args: ['--stdio', '--ngProbeLocations', '/usr/local/bin/@angular/language-service', '--tsProbeLocations', '/usr/local/bin/typescript']
                 \ }])

Command to install the angular language server on Linux:

npm install -g @angular/language-server @angular/language-service typescript

Bash Language Server

Language: Bash shell scripts

Home Page: https://github.com/bash-lsp/bash-language-server

Sample code to add the bash language server to the LSP plugin:

" Bash
call LspAddServer([#{name: 'bashls',
                 \   filetype: 'sh',
                 \   path: '/usr/local/bin/bash-language-server',
                 \   args: ['start']
                 \ }])

Clangd

Language: C/C++

Home Page: https://clangd.llvm.org/

Sample code to add the clangd language server to the LSP plugin:

call LspAddServer([#{name: 'clangd',
                 \   filetype: ['c', 'cpp'],
                 \   path: '/usr/local/bin/clangd',
                 \   args: ['--background-index', '--clang-tidy']
                 \ }])

CSS Language Server

Language: CSS

Home Page: https://github.com/vscode-langservers/vscode-css-languageserver-bin

Sample code to add the CSS language server to the LSP plugin:

call LspAddServer([#{name: 'cssls',
                 \   filetype: 'css',
                 \   path: '/usr/local/node_modules/.bin/css-languageserver',
                 \   args: ['--stdio'],
                 \ }])

Note: The CSS language server supports code completion only if the snippetSupport option is enabled.

Dart

Language: Dart

Home Page: https://github.com/dart-lang/sdk/blob/main/pkg/analysis_server/tool/lsp_spec/README.md

Sample code to add the dart language server to the LSP plugin:

call LspAddServer([#{name: 'dart',
                 \   filetype: ['dart'],
                 \   path: '/usr/lib/dart/bin/dart',
                 \   args: ['language-server', '--client-id', 'vim']
                 \ }])

Deno

Language: Typescript/Javascript

Home Page: https://deno.land

Sample code to add the deno language server to the LSP plugin:

call LspAddServer([#{name: 'deno',
                 \   filetype: ['javascript', 'typescript'],
                 \   path: '/usr/local/bin/deno',
                 \   args: ['lsp'],
                 \   debug: v:true,
                 \   initializationOptions: #{
                 \        enable: v:true,
                 \        lint: v:true
                 \   }
                 \ }])

Eclipse JDT Language Server

Language: Java

Home Page: https://github.com/eclipse/eclipse.jdt.ls

Sample code to add the jdtls language server to the LSP plugin:

call LspAddServer([#{name: 'jdtls',
                 \   filetype: 'java',
                 \   path: '/usr/local/jdtls/bin/jdtls',
                 \   args: []
                 \   initializationOptions: {
                 \       settings: {
                 \           java: {
                 \               completion: {
                 \                   filteredTypes: ["com.sun.*", "java.awt.*", "jdk.*", "org.graalvm.*", "sun.*", "javax.awt.*", "javax.swing.*"],
                 \               },
                 \           },
                 \       },
                 \   },
                 \ }])

The Eclipse Java language server wiki page has more information about the jdtls language server initialization options.

EFM Language Server

Language: General Purpose Language Server

Home Page: https://github.com/mattn/efm-langserver

Sample code to add the efm language server to the LSP plugin:

call LspAddServer([#{name: 'efm-langserver',
		 \   filetype: ['javascript', 'typescript'],
                 \   path: '/usr/local/bin/efm-langserver',
                 \   args: []
		 \   initializationOptions: #{
		 \       documentFormatting: v:true
		 \   },
		 \   workspaceConfig: #{
		 \     languages: #{
		 \       javascript: [
		 \         #{
		 \            lintCommand: "eslint -f unix --stdin --stdin-filename ${INPUT}",
		 \            lintStdin: true,
		 \            lintFormats: ["%f:%l:%c: %m"],
		 \            formatCommand: "eslint --fix-to-stdout --stdin --stdin-filename=${INPUT}",
		 \            formatStdin: v:true
		 \         }
		 \       ],
		 \       typescript: [
		 \         #{
		 \            lintCommand: "eslint -f unix --stdin --stdin-filename ${INPUT}",
		 \            lintStdin: v:true,
		 \            lintFormats: ["%f:%l:%c: %m"],
		 \            formatCommand: "eslint --fix-to-stdout --stdin --stdin-filename=${INPUT}",
		 \            formatStdin: v:true
		 \          }
		 \       ]
		 \     }
		 \   }
                 \ }])

Fortran Language Server

Language: Fortran

Home Page: https://github.com/hansec/fortran-language-server

Sample code to add the fortran language server to the LSP plugin:

call LspAddServer([#{name: 'fortls',
                 \   filetype: 'fortran',
                 \   path: '/usr/local/bin/fortls',
                 \   args: ['--use_signature_help', '--hover_signature']
                 \ }])

Gopls

Language: Go

Home Page: https://github.com/golang/tools/tree/master/gopls

Sample code to add the gopls language server to the LSP plugin:

call LspAddServer([#{name: 'gopls',
                 \   filetype: 'go',
                 \   path: '/usr/local/bin/gopls',
                 \   args: ['serve']
                 \ }])

HTML Language Server

Language: html

Home Page: https://github.com/vscode-langservers/vscode-html-languageserver-bin

Sample code to add the HTML language server to the LSP plugin:

call LspAddServer([#{name: 'htmlls',
                 \   filetype: 'html',
                 \   path: '/usr/local/node_modules/.bin/html-languageserver',
                 \   args: ['--stdio'],
                 \ }])

Note: The HTML language server supports code completion only if the snippetSupport option is enabled.

Lua Language Server

Language: Lua

Home Page: https://github.com/LuaLS/lua-language-server

Sample code to add the luals language server to the LSP plugin:

call LspAddServer([#{name: 'luals',
                 \   filetype: 'lua',
                 \   path: '/usr/local/luals/bin/lua-language-server',
                 \   args: [],
                 \ }])

Omnisharp Language Server

Language: C#

Home Page: https://github.com/OmniSharp/omnisharp-roslyn

Sample code to add the omnisharp language server to the LSP plugin:

call LspAddServer([#{name: 'omnisharp',
                 \   filetype: 'cs',
                 \   path: expand('$HOME/omnisharp/omnisharp.exe'),
                 \   args: ['--z', '--languageserver', '--encoding', 'utf-8'],
                 \ }])

Perl Navigator

Language: Perl

Home Page: https://github.com/bscan/PerlNavigator

Sample code to add the Perl Navigator language server to the LSP plugin:

call LspAddServer([#{name: 'perlnavigator',
                 \   filetype: ['perl'],
                 \   path: '/usr/bin/node',
                 \   args: ['/usr/local/PerlNavigator/server/out/server.js', '--stdio']
                 \ }])

PHP Intelephense

Language: PHP

Home Page: https://github.com/bmewburn/vscode-intelephense

Sample code to add the intelephense language server to the LSP plugin:

call LspAddServer([#{name: 'intelephense',
                 \   filetype: ['php'],
                 \   path: '/usr/local/bin/intelephense',
                 \   args: ['--stdio']
                 \ }])

Pylsp

Language: Python

Home Page: https://github.com/python-lsp/python-lsp-server

Sample code to add the pylsp language server to the LSP plugin:

call LspAddServer([#{name: 'pylsp',
                 \   filetype: 'python',
                 \   path: '/usr/local/bin/pylsp',
                 \   args: []
                 \ }])

Pyright

Language: Python

Home Page: https://github.com/microsoft/pyright

Sample code to add the pyright language server to the LSP plugin:

call LspAddServer([#{name: 'pyright',
                 \   filetype: 'python',
                 \   path: '/usr/local/node_modules/.bin/pyright-langserver',
                 \   args: ['--stdio'],
                 \   workspaceConfig: #{
                 \     python: #{
                 \       pythonPath: '/usr/bin/python3.10'
                 \   }}
                 \ }])

Command to install the pyright language server on Linux:

   $ npm install -g pyright

Rust-analyzer

Language: Rust

Home Page: https://rust-analyzer.github.io/

Sample code to add the rust-analyzer language server to the LSP plugin:

call LspAddServer([#{name: 'rustanalyzer',
                 \   filetype: ['rust'],
                 \   path: '/usr/local/bin/rust-analyzer-x86_64-unknown-linux-gnu',
                 \   args: [],
                 \   syncInit: v:true
                 \ }])

Solargraph

Language: Ruby

Home Page: https://solargraph.org/

Sample code to add the Solargraph language server to the LSP plugin:

call LspAddServer([#{name: 'solargraph'
                 \   filetype: ['ruby'],
                 \   path: 'solargraph',
                 \   args: ['stdio']
                 \ }])

Typescript Language Server

Language: Typescript/JavaScript

Home Page: https://github.com/typescript-language-server/typescript-language-server

Sample code to add the typescript language server to the LSP plugin:

call LspAddServer([#{name: 'tsserver'
                 \   filetype: ['javascript', 'typescript'],
                 \   path: '/usr/local/bin/typescript-language-server',
                 \   args: ['stdio']
                 \ }])

Vimscript

Language: Vimscript

Home Page: https://github.com/iamcco/vim-language-server

Sample code to add the Vimscript language server to the LSP plugin:

call LspAddServer([#{name: 'vimls',
                 \   filetype: 'vim',
                 \   path: '/usr/local/bin/vim-language-server',
                 \   args: ['--stdio']
                 \ }])

Volar Server

Language: Vue

Home Page: https://github.com/vuejs/language-tools

Sample code to add the Volar language server to the LSP plugin:

call LspAddServer([#{name: 'volar-server',
                 \   filetype: ['vue', 'typescript'],
                 \   path: '/usr/local/node_modules/.bin/volar-server',
                 \   args: ['--stdio'],
                 \   initializationOptions: #{
                 \       typescript: #{
                 \           tsdk: '/usr/local/node_modules/typescript/lib'
                 \       }
                 \   }
                 \ }])
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