159 lines
4.0 KiB
Go
159 lines
4.0 KiB
Go
// gomuks - A terminal Matrix client written in Go.
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// Copyright (C) 2018 Tulir Asokan
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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package debug
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import (
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"fmt"
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"io/ioutil"
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"os"
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"time"
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"runtime/debug"
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"maunium.net/go/tview"
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)
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type Printer interface {
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Printf(text string, args ...interface{})
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Print(text ...interface{})
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}
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type Pane struct {
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*tview.TextView
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Height int
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Width int
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num int
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}
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var Default Printer
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var RedirectAllExt bool
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func NewPane() *Pane {
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pane := tview.NewTextView()
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pane.
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SetScrollable(true).
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SetWrap(true).
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SetBorder(true).
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SetTitle("Debug output")
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fmt.Fprintln(pane, "[0] Debug pane initialized")
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return &Pane{
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TextView: pane,
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Height: 35,
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Width: 80,
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num: 0,
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}
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}
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func (db *Pane) Printf(text string, args ...interface{}) {
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db.WriteString(fmt.Sprintf(text, args...) + "\n")
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}
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func (db *Pane) Print(text ...interface{}) {
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db.WriteString(fmt.Sprintln(text...))
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}
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func (db *Pane) WriteString(text string) {
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db.num++
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fmt.Fprintf(db, "[%d] %s", db.num, text)
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}
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type PaneSide int
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const (
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Top PaneSide = iota
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Bottom
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Left
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Right
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)
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func (db *Pane) Wrap(main tview.Primitive, side PaneSide) tview.Primitive {
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rows, columns := []int{0}, []int{0}
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mainRow, mainColumn, paneRow, paneColumn := 0, 0, 0, 0
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switch side {
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case Top:
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rows = []int{db.Height, 0}
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mainRow = 1
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case Bottom:
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rows = []int{0, db.Height}
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paneRow = 1
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case Left:
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columns = []int{db.Width, 0}
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mainColumn = 1
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case Right:
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columns = []int{0, db.Width}
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paneColumn = 1
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}
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return tview.NewGrid().SetRows(rows...).SetColumns(columns...).
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AddItem(main, mainRow, mainColumn, 1, 1, 1, 1, true).
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AddItem(db, paneRow, paneColumn, 1, 1, 1, 1, false)
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}
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func Printf(text string, args ...interface{}) {
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if RedirectAllExt {
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ExtPrintf(text, args...)
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} else if Default != nil {
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Default.Printf(text, args...)
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}
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}
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func Print(text ...interface{}) {
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if RedirectAllExt {
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ExtPrint(text...)
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} else if Default != nil {
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Default.Print(text...)
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}
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}
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const Oops = ` __________
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< Oh noes! >
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‾‾‾\‾‾‾‾‾‾
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\ ^__^
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\ (XX)\_______
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(__)\ )\/\
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U ||----W |
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|| ||`
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func PrettyPanic() {
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fmt.Println(Oops)
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fmt.Println("")
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fmt.Println("A fatal error has occurred.")
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fmt.Println("")
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traceFile := fmt.Sprintf("/tmp/gomuks-panic-%s.txt", time.Now().Format("2006-01-02--15-04-05"))
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data := debug.Stack()
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err := ioutil.WriteFile(traceFile, data, 0644)
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if err != nil {
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fmt.Println("Saving the stack trace to", traceFile, "failed:")
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fmt.Println("--------------------------------------------------------------------------------")
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fmt.Println(err)
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fmt.Println("--------------------------------------------------------------------------------")
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fmt.Println("")
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fmt.Println("You can file an issue at https://github.com/tulir/gomuks/issues.")
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fmt.Println("Please provide the file save error (above) and the stack trace of the original error (below) when filing an issue.")
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fmt.Println("")
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fmt.Println("--------------------------------------------------------------------------------")
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debug.PrintStack()
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fmt.Println("--------------------------------------------------------------------------------")
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} else {
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fmt.Println("The stack trace has been saved to", traceFile)
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fmt.Println("")
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fmt.Println("You can file an issue at https://github.com/tulir/gomuks/issues.")
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fmt.Println("Please provide the contents of that file when filing an issue.")
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}
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os.Exit(1)
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}
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