LanguageServer Class

Definition

Namespace:

Microsoft.PowerFx.LanguageServerProtocol

Assembly:

Microsoft.PowerFx.LanguageServerProtocol.dll

Package:

Microsoft.PowerFx.LanguageServerProtocol v1.1.0

PowerFx Language server implementation

LanguageServer can receive request/notification payload from client, it can also send request/notification to client.

LanguageServer is hosted inside WebSocket or HTTP/HTTPS service

• For WebSocket, OnDataReceived() is for incoming traffic, SendToClient() is for outgoing traffic
• For HTTP/HTTPS, OnDataReceived() is for HTTP/HTTPS request, SendToClient() is queued up in next HTTP/HTTPS response.

C#

public class LanguageServer

Inheritance

Object

LanguageServer

Constructors

LanguageServer(LanguageServer+SendToClient, IPowerFxScopeFactory, Action<String>)

Properties

NL2FxImplementation

If set, provides the handler for $/nlSuggestion message.

Methods

GetCharPosition(String, Int32)	Get the charactor position (starts with 1) from its line. e.g. "123\n1{2}3" ==> 2 ({x} is the input char at position) "12{\n}123" ==> 3 ('\n' belongs to the previous line "12\n", the last char is '2' with index of 3).
GetPosition(String, Int32, Int32)	Get the position offset (starts with 0) in Expression from line/character (starts with 0) e.g. "123", line:0, char:1 => 1.
GetRange(String, Span)	Construct a Range based on a Span for a given expression.
OnDataReceived(String)	Received request/notification payload from client.

Events

LogUnhandledExceptionHandler	Callback for host to get notified of unhandled exceptions that are happening asynchronously. This should be used for logging purposes.
OnDidChange

Applies to