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stack_trace.go
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173 lines (140 loc) · 3.58 KB
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package errors
import (
"runtime"
"strconv"
"strings"
)
// captureStackTrace 捕获堆栈跟踪信息
func captureStackTrace(skip int) string {
const depth = 32
var pcs [depth]uintptr
// 获取调用堆栈
n := runtime.Callers(skip+2, pcs[:])
if n == 0 {
return ""
}
// 获取堆栈帧
frames := runtime.CallersFrames(pcs[:n])
var stack strings.Builder
stack.WriteString("Stack Trace:\n")
// 遍历所有帧
for {
frame, more := frames.Next()
// 格式化堆栈信息
stack.WriteString(" ")
stack.WriteString(frame.Function)
stack.WriteString("\n ")
stack.WriteString(frame.File)
stack.WriteString(":")
stack.WriteString(strconv.Itoa(frame.Line))
stack.WriteString("\n")
if !more {
break
}
}
return stack.String()
}
// getCallerInfo 获取调用者信息(文件名和行号)
func getCallerInfo(skip int) (string, int) {
pc, file, line, ok := runtime.Caller(skip + 1)
if !ok {
return "unknown", 0
}
// 获取函数名
funcName := runtime.FuncForPC(pc).Name()
// 简化文件路径,只显示最后两部分
parts := strings.Split(file, "/")
if len(parts) > 2 {
file = strings.Join(parts[len(parts)-2:], "/")
}
// 简化函数名
funcParts := strings.Split(funcName, "/")
funcName = funcParts[len(funcParts)-1]
return file + ":" + funcName, line
}
// getSimplifiedStackTrace 获取简化的堆栈跟踪(生产环境友好)
func getSimplifiedStackTrace(skip int, maxDepth int) string {
if maxDepth <= 0 {
maxDepth = 8
}
var pcs [32]uintptr
n := runtime.Callers(skip+2, pcs[:])
if n == 0 {
return ""
}
frames := runtime.CallersFrames(pcs[:n])
var stack strings.Builder
stack.WriteString("Simplified Stack:\n")
count := 0
for {
if count >= maxDepth {
break
}
frame, more := frames.Next()
// 过滤掉系统库和错误库本身的调用
if shouldIncludeFrame(frame) {
stack.WriteString(" ")
stack.WriteString(extractSimpleFunctionName(frame.Function))
stack.WriteString(" (")
stack.WriteString(extractFileName(frame.File))
stack.WriteString(":")
stack.WriteString(strconv.Itoa(frame.Line))
stack.WriteString(")\n")
count++
}
if !more {
break
}
}
return stack.String()
}
// shouldIncludeFrame 判断是否应该包含该堆栈帧
func shouldIncludeFrame(frame runtime.Frame) bool {
// 排除系统库
if strings.Contains(frame.File, "/usr/lib/") ||
strings.Contains(frame.File, "runtime/") ||
strings.Contains(frame.File, "reflect/") {
return false
}
// 排除错误库本身的调用
if strings.Contains(frame.File, "pkg/errors/") {
return false
}
// 排除一些常见的第三方库(根据实际项目调整)
if strings.Contains(frame.Function, "vendor/") {
return false
}
return true
}
// extractSimpleFunctionName 提取简化的函数名
func extractSimpleFunctionName(funcName string) string {
// 移除包路径,只保留最后的函数名
parts := strings.Split(funcName, "/")
lastPart := parts[len(parts)-1]
// 进一步简化
dotParts := strings.Split(lastPart, ".")
if len(dotParts) > 1 {
return dotParts[len(dotParts)-1]
}
return lastPart
}
// extractFileName 提取文件名
func extractFileName(filePath string) string {
parts := strings.Split(filePath, "/")
if len(parts) > 2 {
return strings.Join(parts[len(parts)-2:], "/")
}
return filePath
}
// GetCurrentFunctionName 获取当前函数名(用于调试)
func GetCurrentFunctionName() string {
pc, _, _, ok := runtime.Caller(1)
if !ok {
return "unknown"
}
funcObj := runtime.FuncForPC(pc)
if funcObj == nil {
return "unknown"
}
return extractSimpleFunctionName(funcObj.Name())
}