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https://github.com/golang/go
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46bd65c853
This change attempts to fix a concurrency error that would cause textDocument/CodeLens, textDocument/Formatting, textDocument/DocumentLink, and textDocument/Hover from failing on go.mod files. The issue was that the go command would return a potential concurrency error since the ModHandle and the ModTidyHandle are both using the temporary go.mod file. Updates golang/go#37824 Change-Id: I6cd63c1f75817c7308e033aec473966536a2a3bd Reviewed-on: https://go-review.googlesource.com/c/tools/+/224917 Reviewed-by: Heschi Kreinick <heschi@google.com> Run-TryBot: Rebecca Stambler <rstambler@golang.org> TryBot-Result: Gobot Gobot <gobot@golang.org>
80 lines
2.0 KiB
Go
80 lines
2.0 KiB
Go
// Copyright 2019 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 debug exports debug information for gopls.
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package debug
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import (
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"context"
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"fmt"
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"io"
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"strings"
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"golang.org/x/tools/internal/gocommand"
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)
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type PrintMode int
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const (
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PlainText = PrintMode(iota)
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Markdown
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HTML
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)
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// Version is a manually-updated mechanism for tracking versions.
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var Version = "master"
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// PrintServerInfo writes HTML debug info to w for the Instance.
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func (i *Instance) PrintServerInfo(ctx context.Context, w io.Writer) {
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section(w, HTML, "Server Instance", func() {
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fmt.Fprintf(w, "Start time: %v\n", i.StartTime)
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fmt.Fprintf(w, "LogFile: %s\n", i.Logfile)
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fmt.Fprintf(w, "Working directory: %s\n", i.Workdir)
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fmt.Fprintf(w, "Address: %s\n", i.ServerAddress)
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fmt.Fprintf(w, "Debug address: %s\n", i.DebugAddress)
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})
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PrintVersionInfo(ctx, w, true, HTML)
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}
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// PrintVersionInfo writes version information to w, using the output format
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// specified by mode. verbose controls whether additional information is
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// written, including section headers.
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func PrintVersionInfo(ctx context.Context, w io.Writer, verbose bool, mode PrintMode) {
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if !verbose {
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printBuildInfo(w, false, mode)
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return
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}
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section(w, mode, "Build info", func() {
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printBuildInfo(w, true, mode)
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})
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fmt.Fprint(w, "\n")
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section(w, mode, "Go info", func() {
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gocmdRunner := &gocommand.Runner{}
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version, err := gocmdRunner.Run(ctx, gocommand.Invocation{
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Verb: "version",
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})
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if err != nil {
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panic(err)
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}
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fmt.Fprintln(w, version.String())
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})
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}
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func section(w io.Writer, mode PrintMode, title string, body func()) {
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switch mode {
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case PlainText:
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fmt.Fprintln(w, title)
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fmt.Fprintln(w, strings.Repeat("-", len(title)))
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body()
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case Markdown:
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fmt.Fprintf(w, "#### %s\n\n```\n", title)
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body()
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fmt.Fprintf(w, "```\n")
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case HTML:
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fmt.Fprintf(w, "<h3>%s</h3>\n<pre>\n", title)
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body()
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fmt.Fprint(w, "</pre>\n")
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}
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}
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