Sha256: 408b00a10b3577e4c9932ea24fdd42e94de35d41fe67431bbbb675e0f5cf59af
Contents?: true
Size: 1.46 KB
Versions: 16
Compression:
Stored size: 1.46 KB
Contents
//go:build go1.18
// +build go1.18
// Copyright (c) Microsoft Corporation. All rights reserved.
// Licensed under the MIT License.
package diag
import (
"fmt"
"runtime"
"strings"
)
// Caller returns the file and line number of a frame on the caller's stack.
// If the funtion fails an empty string is returned.
// skipFrames - the number of frames to skip when determining the caller.
// Passing a value of 0 will return the immediate caller of this function.
func Caller(skipFrames int) string {
if pc, file, line, ok := runtime.Caller(skipFrames + 1); ok {
// the skipFrames + 1 is to skip ourselves
frame := runtime.FuncForPC(pc)
return fmt.Sprintf("%s()\n\t%s:%d", frame.Name(), file, line)
}
return ""
}
// StackTrace returns a formatted stack trace string.
// If the funtion fails an empty string is returned.
// skipFrames - the number of stack frames to skip before composing the trace string.
// totalFrames - the maximum number of stack frames to include in the trace string.
func StackTrace(skipFrames, totalFrames int) string {
pcCallers := make([]uintptr, totalFrames)
if frames := runtime.Callers(skipFrames, pcCallers); frames == 0 {
return ""
}
frames := runtime.CallersFrames(pcCallers)
sb := strings.Builder{}
for {
frame, more := frames.Next()
sb.WriteString(frame.Function)
sb.WriteString("()\n\t")
sb.WriteString(frame.File)
sb.WriteRune(':')
sb.WriteString(fmt.Sprintf("%d\n", frame.Line))
if !more {
break
}
}
return sb.String()
}
Version data entries
16 entries across 16 versions & 1 rubygems