mirror of
https://github.com/golang/go
synced 2024-11-19 01:14:39 -07:00
59bd84bb0c
We now build an instance and invoke methods on it. This is a step towards removing some global state, allowing multiple instances in one process and cleaning up some telemetry handling. Change-Id: I067469fed39c96653fffe96945c79193e86458d8 Reviewed-on: https://go-review.googlesource.com/c/tools/+/218157 Run-TryBot: Ian Cottrell <iancottrell@google.com> TryBot-Result: Gobot Gobot <gobot@golang.org> Reviewed-by: Robert Findley <rfindley@google.com>
77 lines
1.9 KiB
Go
77 lines
1.9 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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"fmt"
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"io"
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"os/exec"
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"strings"
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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(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(w, true, HTML)
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}
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// PrintVersionInfo writes version and environment information to w, using the
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// output format specified by mode. verbose controls whether additional
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// information is written, including section headers.
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func PrintVersionInfo(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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cmd := exec.Command("go", "version")
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cmd.Stdout = w
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cmd.Run()
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fmt.Fprint(w, "\n")
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cmd = exec.Command("go", "env")
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cmd.Stdout = w
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cmd.Run()
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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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