Method RemoveCallerFrame

state.go:2289–2300

RemoveCallerFrame removes the stack frame above the current stack frame. This is useful in tail calls. It returns the new current frame.

()

// RemoveCallerFrame removes the stack frame above the current stack frame. This is useful in tail calls. It returns
// the new current frame.
func (ls *LState) RemoveCallerFrame() *callFrame {
	cs := ls.stack
	sp := cs.Sp()
	parentFrame := cs.At(sp - 2)
	currentFrame := cs.At(sp - 1)
	parentsParentFrame := parentFrame.Parent
	*parentFrame = *currentFrame
	parentFrame.Parent = parentsParentFrame
	parentFrame.Idx = sp - 2
	cs.Pop()
	return parentFrame
}

/* }}} */