Method setTableAt

vm.go:44–69

(t value, key value, val value)

}

func (l *State) setTableAt(t value, key value, val value) {
	for loop := 0; loop < maxTagLoop; loop++ {
		var tm value
		if table, ok := t.(*table); ok {
			if table.tryPut(l, key, val) {
				// previous non-nil value ==> metamethod irrelevant
				table.invalidateTagMethodCache()
				return
			} else if tm = l.fastTagMethod(table.metaTable, tmNewIndex); tm == nil {
				// no metamethod
				table.put(l, key, val)
				table.invalidateTagMethodCache()
				return
			}
		} else if tm = l.tagMethodByObject(t, tmNewIndex); tm == nil {
			l.typeError(t, "index")
		}
		switch tm.(type) {
		case closure, *goFunction:
			l.callTagMethodV(tm, t, key, val)
			return
		}
		t = tm
	}
	l.runtimeError("loop in setTable")
}

func (l *State) objectLength(v value) value {
	var tm value