Language Server Protocol (lsp)

Provides code intelligence via the Language Server Protocol. Supports definitions, references, hover, symbols, call hierarchy, diagnostics, and code actions.

Operations

Operation	Description
goToDefinition	Jump to symbol definition
findReferences	Find all references to a symbol
hover	Show type info, documentation, and signature at a location
documentSymbol	List symbols in a file
workspaceSymbol	Search for symbols across the workspace
goToImplementation	Jump to symbol implementation
prepareCallHierarchy	Prepare call hierarchy at a location
incomingCalls	Show callers of a function
outgoingCalls	Show functions called by a function
diagnostics	Show diagnostics for a specific file
workspaceDiagnostics	Show diagnostics across the entire workspace
codeActions	Get available code actions (quickfix, refactor, etc.)

Parameters

Parameter	Required	Description
operation	Yes	The LSP operation to perform (see table above)
filePath	No	Absolute or workspace-relative file path
line	No	1-based line number for location-targeted operations
character	No	1-based character/column number for location-targeted operations
endLine	No	1-based end line for range-based operations
endCharacter	No	1-based end character for range-based operations
query	No	Symbol query for workspace symbol search
serverName	No	Optional LSP server name to target
limit	No	Optional maximum number of results to return

Location-targeted operations (goToDefinition, findReferences, hover, goToImplementation, prepareCallHierarchy) require filePath + line + character.

Range-based operations (diagnostics, codeActions) require filePath and optionally line/endLine.

See Also

• Guides → Language Server Protocol — Setup and configuration