Class: Mui::Lsp::Manager

Inherits:
Object
  • Object
show all
Defined in:
lib/mui/lsp/manager.rb

Overview

Manages multiple LSP clients and coordinates between editor and servers

Instance Attribute Summary collapse

Instance Method Summary collapse

Constructor Details

#initialize(editor:) ⇒ Manager

Returns a new instance of Manager.



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# File 'lib/mui/lsp/manager.rb', line 9

def initialize(editor:)
  @editor = editor
  @server_configs = {}
  @clients = {}
  @text_syncs = {}
  @diagnostics_handler = Handlers::Diagnostics.new(editor: editor)
  @mutex = Mutex.new
  @pending_documents = {} # file_path => text, documents waiting for server startup
end

Instance Attribute Details

#diagnostics_handler ⇒ Object (readonly)

Returns the value of attribute diagnostics_handler.



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# File 'lib/mui/lsp/manager.rb', line 7

def diagnostics_handler
  @diagnostics_handler
end

#editor ⇒ Object (readonly)

Returns the value of attribute editor.



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# File 'lib/mui/lsp/manager.rb', line 7

def editor
  @editor
end

Instance Method Details

#auto_start_for(file_path) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 114

def auto_start_for(file_path)
  servers_to_start = []

  @mutex.synchronize do
    @server_configs.each do |name, config|
      next unless config.auto_start && config.handles_file?(file_path)
      next if @clients[name]&.running?

      servers_to_start << [name, find_project_root(file_path)]
    end
  end

  return false if servers_to_start.empty?

  # Start servers in background thread to avoid blocking editor startup
  Thread.new do
    servers_to_start.each do |name, root_path|
      start_server(name, root_path)
      # Send pending documents after server starts
      send_pending_documents(name)
    rescue StandardError => e
      @editor.message = "LSP auto-start error (#{name}): #{e.message}"
    end
  end

  true
end

#client_for(file_path) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 80

def client_for(file_path)
  @mutex.synchronize do
    @server_configs.each do |name, config|
      return @clients[name] if config.handles_file?(file_path) && @clients[name]&.running?
    end
  end
  nil
end

#completion(file_path:, line:, character:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 247

def completion(file_path:, line:, character:)
  client = client_for(file_path)
  unless client
    @editor.message = server_unavailable_message(file_path)
    return
  end

  uri = TextDocumentSync.path_to_uri(file_path)
  handler = Handlers::Completion.new(editor: @editor, client: client)

  client.completion(uri: uri, line: line, character: character) do |result, error|
    handler.handle(result, error)
  end
end

#debug_info ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 278

def debug_info
  @mutex.synchronize do
    @clients.transform_values do |client|
      {
        started: client.started?,
        initialized: client.initialized,
        last_stderr: client.last_stderr
      }
    end
  end
end

#definition(file_path:, line:, character:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 217

def definition(file_path:, line:, character:)
  client = client_for(file_path)
  unless client
    @editor.message = server_unavailable_message(file_path)
    return
  end

  uri = TextDocumentSync.path_to_uri(file_path)
  handler = Handlers::Definition.new(editor: @editor, client: client)

  client.definition(uri: uri, line: line, character: character) do |result, error|
    handler.handle(result, error)
  end
end

#did_change(file_path:, text:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 157

def did_change(file_path:, text:)
  uri = TextDocumentSync.path_to_uri(file_path)
  # Broadcast to all matching servers (each text_sync checks sync_on_change)
  text_syncs_for(file_path).each do |text_sync|
    text_sync.did_change(uri: uri, text: text)
  end
end

#did_close(file_path:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 190

def did_close(file_path:)
  @mutex.synchronize do
    @pending_documents.delete(file_path)
  end

  uri = TextDocumentSync.path_to_uri(file_path)
  # Broadcast to all matching servers
  text_syncs_for(file_path).each do |text_sync|
    text_sync.did_close(uri: uri)
  end
end

#did_open(file_path:, text:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 142

def did_open(file_path:, text:)
  # Store document for servers that are starting up
  @mutex.synchronize do
    @pending_documents[file_path] = text
  end

  auto_start_for(file_path)

  uri = TextDocumentSync.path_to_uri(file_path)
  # Broadcast to all matching servers that are already running
  text_syncs_for(file_path).each do |text_sync|
    text_sync.did_open(uri: uri, text: text)
  end
end

#did_save(file_path:, text: nil) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 182

def did_save(file_path:, text: nil)
  uri = TextDocumentSync.path_to_uri(file_path)
  # Broadcast to all matching servers
  text_syncs_for(file_path).each do |text_sync|
    text_sync.did_save(uri: uri, text: text)
  end
end

#force_reopen(file_path:, text:) ⇒ Object

Force close and re-open document to reset LSP state



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# File 'lib/mui/lsp/manager.rb', line 174

def force_reopen(file_path:, text:)
  uri = TextDocumentSync.path_to_uri(file_path)
  text_syncs_for(file_path).each do |text_sync|
    text_sync.did_close(uri: uri) if text_sync.open?(uri)
    text_sync.did_open(uri: uri, text: text)
  end
end

#hover(file_path:, line:, character:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 202

def hover(file_path:, line:, character:)
  client = client_for(file_path)
  unless client
    @editor.message = server_unavailable_message(file_path)
    return
  end

  uri = TextDocumentSync.path_to_uri(file_path)
  handler = Handlers::Hover.new(editor: @editor, client: client)

  client.hover(uri: uri, line: line, character: character) do |result, error|
    handler.handle(result, error)
  end
end

#notification_log ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 290

def notification_log
  @notification_log ||= []
end

#references(file_path:, line:, character:) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 232

def references(file_path:, line:, character:)
  client = client_for(file_path)
  unless client
    @editor.message = server_unavailable_message(file_path)
    return
  end

  uri = TextDocumentSync.path_to_uri(file_path)
  handler = Handlers::References.new(editor: @editor, client: client)

  client.references(uri: uri, line: line, character: character) do |result, error|
    handler.handle(result, error)
  end
end

#register_server(config) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 19

def register_server(config)
  @mutex.synchronize do
    @server_configs[config.name] = config
  end
end

#registered_servers ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 274

def registered_servers
  @mutex.synchronize { @server_configs.keys }
end

#running_servers ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 262

def running_servers
  @mutex.synchronize do
    @clients.select { |_, client| client.running? }.keys
  end
end

#start_server(name, root_path = nil) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 25

def start_server(name, root_path = nil)
  config = @mutex.synchronize { @server_configs[name] }
  unless config
    @editor.message = "LSP Error: Unknown server: #{name}"
    return false
  end

  root_path ||= Dir.pwd

  client = Client.new(
    command: config.command,
    root_path: root_path,
    on_notification: method(:handle_notification)
  )

  text_sync = TextDocumentSync.new(
    client: client,
    server_config: config
  )

  client.start

  @mutex.synchronize do
    @clients[name] = client
    @text_syncs[name] = text_sync
  end

  # Check if initialized after a short delay
  @editor.message = if client.initialized
                      "LSP: #{name} ready"
                    else
                      "LSP: #{name} starting..."
                    end
  true
rescue StandardError => e
  @editor.message = "LSP Error: #{e.message}"
  false
end

#starting_servers ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 268

def starting_servers
  @mutex.synchronize do
    @clients.select { |_, client| client.started? && !client.initialized }.keys
  end
end

#stop_all ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 75

def stop_all
  names = @mutex.synchronize { @clients.keys.dup }
  names.each { |name| stop_server(name) }
end

#stop_server(name) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 64

def stop_server(name)
  client = @mutex.synchronize { @clients.delete(name) }
  text_sync = @mutex.synchronize { @text_syncs.delete(name) }

  return unless client

  text_sync&.close_all
  client.stop
  @editor.message = "LSP server stopped: #{name}"
end

#sync_now(file_path:, text:) ⇒ Object

Sync immediately without debounce (for completion requests)



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# File 'lib/mui/lsp/manager.rb', line 166

def sync_now(file_path:, text:)
  uri = TextDocumentSync.path_to_uri(file_path)
  text_syncs_for(file_path).each do |text_sync|
    text_sync.did_change(uri: uri, text: text, debounce: false, force: true)
  end
end

#text_sync_for(file_path) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 89

def text_sync_for(file_path)
  @mutex.synchronize do
    @server_configs.each do |name, config|
      # Only return text_sync if the client is running
      next unless config.handles_file?(file_path)
      next unless @clients[name]&.running?
      return @text_syncs[name] if @text_syncs[name]
    end
  end
  nil
end

#text_syncs_for(file_path) ⇒ Object 



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# File 'lib/mui/lsp/manager.rb', line 101

def text_syncs_for(file_path)
  result = []
  @mutex.synchronize do
    @server_configs.each do |name, config|
      next unless config.handles_file?(file_path)
      next unless @clients[name]&.running?

      result << @text_syncs[name] if @text_syncs[name]
    end
  end
  result
end