Function GetCaller

hero/dependency_source.go:70–95

https://golang.org/doc/go1.9#callersframes

()

// https://golang.org/doc/go1.9#callersframes
func GetCaller() (string, int) {
	var pcs [32]uintptr
	n := runtime.Callers(4, pcs[:])
	frames := runtime.CallersFrames(pcs[:n])

	for {
		frame, more := frames.Next()
		file := frame.File

		if strings.Contains(file, "go/src/runtime/") {
			continue
		}

		// funcName is something like "github.com/kataras/iris.SomeFunc"
		funcName := frame.Function
		if !strings.HasPrefix(funcName, "github.com/kataras/iris/v12") {
			return file, frame.Line
		}

		if !more {
			break
		}
	}

	return "???", 0
}