rust-analyzer/docs/dev/lsp-features.md

Supported LSP features

This list documents LSP features, supported by rust-analyzer.

General

• initialize
• initialized
• shutdown
• exit
• $/cancelRequest

Workspace

• workspace/workspaceFolders
• workspace/didChangeWorkspaceFolders
• workspace/didChangeConfiguration
• workspace/configuration
• workspace/didChangeWatchedFiles
• workspace/symbol
• workspace/executeCommand
• apply_code_action
• workspace/applyEdit

Text Synchronization

• textDocument/didOpen
• textDocument/didChange
• textDocument/willSave
• textDocument/willSaveWaitUntil
• textDocument/didSave
• textDocument/didClose

Diagnostics

• textDocument/publishDiagnostics

Lanuguage Features

• textDocument/completion
• open close: false
• change: Full
• will save: false
• will save wait until: false
• save: false
• completionItem/resolve
• resolve provider: none
• trigger characters: :, .
• textDocument/hover
• textDocument/signatureHelp
• trigger characters: (, ,, )
• textDocument/declaration
• textDocument/definition
• textDocument/typeDefinition
• textDocument/implementation
• textDocument/references
• textDocument/documentHighlight
• textDocument/documentSymbol
• textDocument/codeAction
• textDocument/selectionRange
• rust-analyzer.syntaxTree
• rust-analyzer.matchingBrace
• rust-analyzer.parentModule
• rust-analyzer.joinLines
• rust-analyzer.run
• rust-analyzer.analyzerStatus
• textDocument/codeLens
• textDocument/documentLink
• documentLink/resolve
• textDocument/documentColor
• textDocument/colorPresentation
• textDocument/formatting
• textDocument/rangeFormatting
• textDocument/onTypeFormatting
• first trigger character: =
• more trigger character .
• textDocument/rename
• textDocument/prepareRename
• textDocument/foldingRange