63 lines
944 B
Go
63 lines
944 B
Go
|
package flog
|
||
|
|
||
|
import (
|
||
|
"fmt"
|
||
|
"runtime"
|
||
|
"strings"
|
||
|
)
|
||
|
|
||
|
func calltrace() []string {
|
||
|
|
||
|
const max = 10
|
||
|
|
||
|
var frames *runtime.Frames
|
||
|
{
|
||
|
var buffer [max]uintptr
|
||
|
|
||
|
var pc []uintptr = buffer[:]
|
||
|
|
||
|
n := runtime.Callers(0, pc)
|
||
|
if 0 >= n {
|
||
|
return nil
|
||
|
}
|
||
|
pc = pc[:n]
|
||
|
frames = runtime.CallersFrames(pc)
|
||
|
}
|
||
|
|
||
|
var trace []string
|
||
|
{
|
||
|
var buffer [max]string
|
||
|
trace = buffer[:0]
|
||
|
|
||
|
var more bool = true
|
||
|
for more {
|
||
|
var frame runtime.Frame
|
||
|
|
||
|
frame, more = frames.Next()
|
||
|
switch frame.Function {
|
||
|
case "runtime.Callers":
|
||
|
continue
|
||
|
default:
|
||
|
if strings.HasPrefix(frame.Function, "github.com/reiver/go-flog.") {
|
||
|
continue
|
||
|
}
|
||
|
}
|
||
|
|
||
|
var filename string = frame.File
|
||
|
if index := strings.LastIndex(filename, "/"); 0 <= index {
|
||
|
filename = filename[1+index:]
|
||
|
}
|
||
|
|
||
|
s := fmt.Sprintf("%s():%s:%d", frame.Function, filename, frame.Line)
|
||
|
|
||
|
trace = append(trace, s)
|
||
|
|
||
|
if !more {
|
||
|
break
|
||
|
}
|
||
|
}
|
||
|
}
|
||
|
|
||
|
return trace
|
||
|
}
|