public static void GetField(this IntPtr l, int index, LuaString key)
{
var top = l.gettop();
if (index < 0 && -index <= top)
{
index = top + 1 + index;
}
key.PushString(l);
l.gettable(index);
}
public static void PushString(this IntPtr l, string str)
{
#if DEBUG_LUA_PERFORMANCE
PushOrGetStringTimingWatch.Restart();
try
{
#endif
l.pushstring(str);
return; // test result shows it is faster to NOT use the cache.
#pragma warning disable CS0162 // 检测到无法访问的代码
LuaString predefined = LuaString.GetString(str);
if (predefined != null)
{
predefined.PushString(l);
return;
}
var cache = LuaStateAttachmentManager.GetOrCreateAttachmentManager(l).StrCache;
cache.L = l;
var info = cache.PutIntoCache(str);
if (info == null)
{
l.pushstring(str); // str
}
else
{
if (!PushString(l, info.Id))
{
// this should not happen
l.pop(3); // X
l.pushstring(str); // str
}
}
#pragma warning restore CS0162 // 检测到无法访问的代码
#if DEBUG_LUA_PERFORMANCE
}
finally
{
PushOrGetStringTimingWatch.Stop();
long delta = PushOrGetStringTimingWatch.ElapsedTicks;
var cnt = System.Threading.Interlocked.Increment(ref PushOrGetStringCallCount);
var time = System.Threading.Interlocked.Add(ref PushOrGetStringCallTotalTime, delta);
UnityEngine.Debug.Log(((double)time) / (double)System.Diagnostics.Stopwatch.Frequency * 1000.0 / cnt);
}
#endif
}
public static void PushString(this IntPtr l, LuaString str)
{
str.PushString(l);
}
