github.com/e154/smart-home@v0.17.2-0.20240311175135-e530a6e5cd45/common/debug/debug.go (about)

     1  // This file is part of the Smart Home
     2  // Program complex distribution https://github.com/e154/smart-home
     3  // Copyright (C) 2016-2023, Filippov Alex
     4  //
     5  // This library is free software: you can redistribute it and/or
     6  // modify it under the terms of the GNU Lesser General Public
     7  // License as published by the Free Software Foundation; either
     8  // version 3 of the License, or (at your option) any later version.
     9  //
    10  // This library is distributed in the hope that it will be useful,
    11  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    12  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    13  // Library General Public License for more details.
    14  //
    15  // You should have received a copy of the GNU Lesser General Public
    16  // License along with this library.  If not, see
    17  // <https://www.gnu.org/licenses/>.
    18  
    19  package debug
    20  
    21  import (
    22  	"encoding/json"
    23  	"fmt"
    24  	"runtime"
    25  )
    26  
    27  // https://github.com/Unknwon/gcblog/blob/master/content/04-go-caller.md
    28  func CallerName(skip int) (name, file string, line int, ok bool) {
    29  	var pc uintptr
    30  	if pc, file, line, ok = runtime.Caller(skip + 1); !ok {
    31  		return
    32  	}
    33  	name = runtime.FuncForPC(pc).Name()
    34  	return
    35  }
    36  
    37  // Println ...
    38  func Println(i interface{}) {
    39  	b, _ := json.MarshalIndent(i, " ", "  ")
    40  	fmt.Println(string(b))
    41  }