mirror of
https://github.com/golang/go
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55b11c713e
Diagnostics should be cleared for files which are (1) deleted on disk and not open in the editor, and (2) closed and only open in the editor. Enable the corresponding regression test, and fix a few issues raised by staticcheck. Fixes golang/go#37049 Change-Id: Iff736a7f6c3eaacda4237c2e4cf7926e9949dece Reviewed-on: https://go-review.googlesource.com/c/tools/+/220079 Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Heschi Kreinick <heschi@google.com>
96 lines
3.0 KiB
Go
96 lines
3.0 KiB
Go
// Copyright 2018 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package cmd
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import (
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"context"
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"flag"
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"fmt"
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"os"
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"strings"
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"golang.org/x/tools/internal/jsonrpc2"
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"golang.org/x/tools/internal/lsp/cache"
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"golang.org/x/tools/internal/lsp/lsprpc"
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"golang.org/x/tools/internal/lsp/protocol"
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"golang.org/x/tools/internal/tool"
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)
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// Serve is a struct that exposes the configurable parts of the LSP server as
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// flags, in the right form for tool.Main to consume.
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type Serve struct {
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Logfile string `flag:"logfile" help:"filename to log to. if value is \"auto\", then logging to a default output file is enabled"`
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Mode string `flag:"mode" help:"no effect"`
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Port int `flag:"port" help:"port on which to run gopls for debugging purposes"`
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Address string `flag:"listen" help:"address on which to listen for remote connections. If prefixed by 'unix;', the subsequent address is assumed to be a unix domain socket. Otherwise, TCP is used."`
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Trace bool `flag:"rpc.trace" help:"print the full rpc trace in lsp inspector format"`
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Debug string `flag:"debug" help:"serve debug information on the supplied address"`
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app *Application
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}
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func (s *Serve) Name() string { return "serve" }
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func (s *Serve) Usage() string { return "" }
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func (s *Serve) ShortHelp() string {
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return "run a server for Go code using the Language Server Protocol"
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}
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func (s *Serve) DetailedHelp(f *flag.FlagSet) {
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fmt.Fprint(f.Output(), `
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The server communicates using JSONRPC2 on stdin and stdout, and is intended to be run directly as
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a child of an editor process.
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gopls server flags are:
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`)
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f.PrintDefaults()
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}
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// Run configures a server based on the flags, and then runs it.
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// It blocks until the server shuts down.
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func (s *Serve) Run(ctx context.Context, args ...string) error {
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if len(args) > 0 {
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return tool.CommandLineErrorf("server does not take arguments, got %v", args)
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}
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closeLog, err := s.app.debug.SetLogFile(s.Logfile)
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if err != nil {
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return err
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}
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defer closeLog()
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s.app.debug.ServerAddress = s.Address
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s.app.debug.DebugAddress = s.Debug
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s.app.debug.Serve(ctx)
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s.app.debug.MonitorMemory(ctx)
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var ss jsonrpc2.StreamServer
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if s.app.Remote != "" {
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network, addr := parseAddr(s.app.Remote)
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ss = lsprpc.NewForwarder(network, addr, true)
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} else {
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ss = lsprpc.NewStreamServer(cache.New(s.app.options), true)
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}
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if s.Address != "" {
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network, addr := parseAddr(s.Address)
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return jsonrpc2.ListenAndServe(ctx, network, addr, ss)
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}
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if s.Port != 0 {
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addr := fmt.Sprintf(":%v", s.Port)
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return jsonrpc2.ListenAndServe(ctx, "tcp", addr, ss)
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}
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stream := jsonrpc2.NewHeaderStream(os.Stdin, os.Stdout)
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if s.Trace {
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stream = protocol.LoggingStream(stream, s.app.debug.LogWriter)
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}
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return ss.ServeStream(ctx, stream)
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}
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// parseAddr parses the -listen flag in to a network, and address.
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func parseAddr(listen string) (network string, address string) {
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if parts := strings.SplitN(listen, ";", 2); len(parts) == 2 {
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return parts[0], parts[1]
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}
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return "tcp", listen
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}
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