Method hook

stack.go:419–438

(event, line int)

}

func (l *State) hook(event, line int) {
	if l.hooker == nil || !l.allowHook {
		return
	}
	ci := l.callInfo
	top := l.top
	ciTop := ci.top
	ar := Debug{Event: event, CurrentLine: line, callInfo: ci}
	l.checkStack(MinStack)
	ci.setTop(l.top + MinStack)
	l.assert(ci.top <= l.stackLast)
	l.allowHook = false // can't hook calls inside a hook
	ci.setCallStatus(callStatusHooked)
	l.hooker(l, ar)
	l.assert(!l.allowHook)
	l.allowHook = true
	ci.setTop(ciTop)
	l.top = top
	ci.clearCallStatus(callStatusHooked)
}

func (l *State) initializeStack() {
	l.stack = make([]value, basicStackSize)