lsprpc

package
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Published: Aug 9, 2021 License: BSD-3-Clause Imports: 28 Imported by: 0

Documentation

Overview

Package lsprpc implements a jsonrpc2.StreamServer that may be used to serve the LSP on a jsonrpc2 channel.

Index

Constants

View Source
const AutoNetwork = "auto"

AutoNetwork is the pseudo network type used to signal that gopls should use automatic discovery to resolve a remote address.

Variables

This section is empty.

Functions

func ConnectToRemote

func ConnectToRemote(ctx context.Context, addr string, opts ...RemoteOption) (net.Conn, error)

func ExecuteCommand

func ExecuteCommand(ctx context.Context, addr string, id string, request, result interface{}) error

func ParseAddr

func ParseAddr(listen string) (network string, address string)

ParseAddr parses the address of a gopls remote. TODO(rFindley): further document this syntax, and allow URI-style remote addresses such as "auto://...".

Types

type ClientBinder

type ClientBinder struct {
	// contains filtered or unexported fields
}

func NewClientBinder

func NewClientBinder(newClient ClientFunc) *ClientBinder

func (*ClientBinder) Bind

type ClientFunc

type ClientFunc func(context.Context, protocol.Server) protocol.Client

type ClientSession

type ClientSession struct {
	SessionID string `json:"sessionID"`
	Logfile   string `json:"logfile"`
	DebugAddr string `json:"debugAddr"`
}

ClientSession identifies a current client LSP session on the server. Note that it looks similar to handshakeResposne, but in fact 'Logfile' and 'DebugAddr' now refer to the client.

type ForwardBinder

type ForwardBinder struct {
	// contains filtered or unexported fields
}

func NewForwardBinder

func NewForwardBinder(dialer jsonrpc2_v2.Dialer) *ForwardBinder

func (*ForwardBinder) Bind

type Forwarder

type Forwarder struct {
	// contains filtered or unexported fields
}

A Forwarder is a jsonrpc2.StreamServer that handles an LSP stream by forwarding it to a remote. This is used when the gopls process started by the editor is in the `-remote` mode, which means it finds and connects to a separate gopls daemon. In these cases, we still want the forwarder gopls to be instrumented with telemetry, and want to be able to in some cases hijack the jsonrpc2 connection with the daemon.

func NewForwarder

func NewForwarder(network, addr string, opts ...RemoteOption) *Forwarder

NewForwarder creates a new Forwarder, ready to forward connections to the remote server specified by network and addr.

func (*Forwarder) Binder

func (f *Forwarder) Binder() *ForwardBinder

func (*Forwarder) ServeStream

func (f *Forwarder) ServeStream(ctx context.Context, clientConn jsonrpc2.Conn) error

ServeStream dials the forwarder remote and binds the remote to serve the LSP on the incoming stream.

type RemoteDebugAddress

type RemoteDebugAddress string

RemoteDebugAddress configures the address used by the auto-started Gopls daemon for serving debug information.

type RemoteListenTimeout

type RemoteListenTimeout time.Duration

RemoteListenTimeout configures the amount of time the auto-started gopls daemon will wait with no client connections before shutting down.

type RemoteLogfile

type RemoteLogfile string

RemoteLogfile configures the logfile location for the auto-started gopls daemon.

type RemoteOption

type RemoteOption interface {
	// contains filtered or unexported methods
}

A RemoteOption configures the behavior of the auto-started remote.

type ServerBinder

type ServerBinder struct {
	// contains filtered or unexported fields
}

ServerBinder binds incoming connections to a new server.

func NewServerBinder

func NewServerBinder(newServer ServerFunc) *ServerBinder

func (*ServerBinder) Bind

type ServerState

type ServerState struct {
	Logfile         string          `json:"logfile"`
	DebugAddr       string          `json:"debugAddr"`
	GoplsPath       string          `json:"goplsPath"`
	CurrentClientID string          `json:"currentClientID"`
	Clients         []ClientSession `json:"clients"`
}

ServerState holds information about the gopls daemon process, including its debug information and debug information of all of its current connected clients.

func QueryServerState

func QueryServerState(ctx context.Context, addr string) (*ServerState, error)

QueryServerState queries the server state of the current server.

type StreamServer

type StreamServer struct {
	// contains filtered or unexported fields
}

The StreamServer type is a jsonrpc2.StreamServer that handles incoming streams as a new LSP session, using a shared cache.

func NewStreamServer

func NewStreamServer(cache *cache.Cache, daemon bool) *StreamServer

NewStreamServer creates a StreamServer using the shared cache. If withTelemetry is true, each session is instrumented with telemetry that records RPC statistics.

func (*StreamServer) Binder

func (s *StreamServer) Binder() *ServerBinder

func (*StreamServer) ServeStream

func (s *StreamServer) ServeStream(ctx context.Context, conn jsonrpc2.Conn) error

ServeStream implements the jsonrpc2.StreamServer interface, by handling incoming streams using a new lsp server.

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