github.com/jimmyx0x/go-ethereum@v1.10.28/common/debug.go (about) 1 // Copyright 2015 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package common 18 19 import ( 20 "fmt" 21 "os" 22 "runtime" 23 "runtime/debug" 24 "strings" 25 ) 26 27 // Report gives off a warning requesting the user to submit an issue to the github tracker. 28 func Report(extra ...interface{}) { 29 fmt.Fprintln(os.Stderr, "You've encountered a sought after, hard to reproduce bug. Please report this to the developers <3 https://github.com/ethereum/go-ethereum/issues") 30 fmt.Fprintln(os.Stderr, extra...) 31 32 _, file, line, _ := runtime.Caller(1) 33 fmt.Fprintf(os.Stderr, "%v:%v\n", file, line) 34 35 debug.PrintStack() 36 37 fmt.Fprintln(os.Stderr, "#### BUG! PLEASE REPORT ####") 38 } 39 40 // PrintDeprecationWarning prints the given string in a box using fmt.Println. 41 func PrintDeprecationWarning(str string) { 42 line := strings.Repeat("#", len(str)+4) 43 emptyLine := strings.Repeat(" ", len(str)) 44 fmt.Printf(` 45 %s 46 # %s # 47 # %s # 48 # %s # 49 %s 50 51 `, line, emptyLine, str, emptyLine, line) 52 }