/*
 * 纸喵软件
 * Copyright (c) 2017~2020 http://zhimiao.org All rights reserved.
 * Author: 倒霉狐狸 <mail@xiaoliu.org>
 * Date: 2020/3/3 下午4:26
 */

package gutils

import (
	"fmt"
	"runtime"
)

// PanicToError Panic转换为error
func PanicToError(f func()) (err error) {
	defer func() {
		if e := recover(); e != nil {
			err = fmt.Errorf(PanicTrace(e))
		}
	}()
	f()
	return
}

// PanicTrace panic调用链跟踪
func PanicTrace(err interface{}) string {
	stackBuf := make([]byte, 4096)
	n := runtime.Stack(stackBuf, false)
	return fmt.Sprintf("panic: %v %s", err, stackBuf[:n])
}