Class: Object

Inherits:
BasicObject
Defined in:
(unknown)

Instance Method Summary collapse

Instance Method Details

#caller_class ⇒ Object 



3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
 
# File 'ext/callsite.c', line 3

VALUE
callsite_caller_class(VALUE self)
{
#ifdef RUBY19
  rb_control_frame_t *cfp = ruby_current_thread->cfp;
  /* pop 2 stack frames */
  cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
  cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
  
  /* pop any block stack frames */
  while (!cfp->iseq) cfp = RUBY_VM_PREVIOUS_CONTROL_FRAME(cfp);
  
  if (cfp->iseq != 0 && cfp->pc != 0) {
    return cfp->iseq->klass;
  }
  return Qnil;
#else /* RUBY18 */
  struct FRAME *frame = ruby_frame->prev->prev;
  if (frame->flags == 1) frame = frame->prev;
  return frame->last_class;
#endif /* RUBY19 */
}