193 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			C#
		
	
			
		
		
	
	
			193 lines
		
	
	
		
			6.5 KiB
		
	
	
	
		
			C#
		
	
/*
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Copyright (c) 2015-2017 topameng(topameng@qq.com)
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in all
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copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
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SOFTWARE.
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*/
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using System;
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using System.Diagnostics;
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using System.Reflection;
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using System.Text;
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using UnityEngine;
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namespace LuaInterface
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{
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    public class LuaException : Exception
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    {
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        public static Exception luaStack = null;
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        public static string projectFolder = null;
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        public static int InstantiateCount = 0;
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        public static int SendMsgCount = 0;
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        public static IntPtr L = IntPtr.Zero;
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        public override string StackTrace
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        {
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            get
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            {
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                return _stack;
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            }
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        }
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        protected string _stack = string.Empty;        
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        public LuaException(string msg, Exception e = null, int skip = 1)
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            : base(msg)
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        {                                  
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            if (e != null)
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            {
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                if (e is LuaException)
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                {
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                    _stack = e.StackTrace;
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                }
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                else
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                {                                        
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                    StackTrace trace = new StackTrace(e, true);
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                    StringBuilder sb = new StringBuilder();
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                    ExtractFormattedStackTrace(trace, sb);                    
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                    StackTrace self = new StackTrace(skip, true);
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                    ExtractFormattedStackTrace(self, sb, trace);
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                    _stack = sb.ToString();                    
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                }
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            }
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            else
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            {
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                StackTrace self = new StackTrace(skip, true);
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                StringBuilder sb = new StringBuilder();
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                ExtractFormattedStackTrace(self, sb);
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                _stack = sb.ToString();
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            }                        
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        }
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        public static Exception GetLastError()
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        {
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            Exception last = luaStack;
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            luaStack = null;
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            return last;
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        }
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        public static void ExtractFormattedStackTrace(StackTrace trace, StringBuilder sb, StackTrace skip = null)
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        {
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            int begin = 0;
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            if (skip != null && skip.FrameCount > 0)
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            {
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                MethodBase m0 = skip.GetFrame(skip.FrameCount - 1).GetMethod();
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                for (int i = 0; i < trace.FrameCount; i++)
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                {
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                    StackFrame frame = trace.GetFrame(i);
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                    MethodBase method = frame.GetMethod();
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                    if (method == m0)
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                    {
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                        begin = i + 1;
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                        break;
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                    }                    
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                }
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                sb.AppendLineEx();
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            }
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            for (int i = begin; i < trace.FrameCount; i++)
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            {
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                StackFrame frame = trace.GetFrame(i);
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                MethodBase method = frame.GetMethod();
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                if (method == null || method.DeclaringType == null)
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                {
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                    continue;
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                }                               
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                Type declaringType = method.DeclaringType;
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                string str = declaringType.Namespace;
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                if ( (InstantiateCount == 0 && declaringType == typeof(UnityEngine.Object) &&  method.Name == "Instantiate") //(method.Name == "Internal_CloneSingle"
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                    || (SendMsgCount == 0 && declaringType == typeof(GameObject) && method.Name == "SendMessage"))
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                {
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                    break;
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                }
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                if ((str != null) && (str.Length != 0))
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                {
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                    sb.Append(str);
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                    sb.Append(".");
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                }
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                sb.Append(declaringType.Name);
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                sb.Append(":");
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                sb.Append(method.Name);
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                sb.Append("(");
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                int index = 0;
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                ParameterInfo[] parameters = method.GetParameters();
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                bool flag = true;
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                while (index < parameters.Length)
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                {
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                    if (!flag)
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                    {
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                        sb.Append(", ");
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                    }
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                    else
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                    {
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                        flag = false;
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                    }
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                    sb.Append(parameters[index].ParameterType.Name);
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                    index++;
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                }
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                sb.Append(")");
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                string fileName = frame.GetFileName();                
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                if (fileName != null)
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                {
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                    fileName = fileName.Replace('\\', '/');
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                    sb.Append(" (at ");
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                    if (fileName.StartsWith(projectFolder))
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                    {
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                        fileName = fileName.Substring(projectFolder.Length, fileName.Length - projectFolder.Length);
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                    }
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                    sb.Append(fileName);
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                    sb.Append(":");
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                    sb.Append(frame.GetFileLineNumber().ToString());
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                    sb.Append(")");
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                }
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                if (i != trace.FrameCount - 1)
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                {
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                    sb.Append("\n");
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                }
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            }
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        }
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        public static void Init(IntPtr L0)
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        {
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            L = L0;
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            Type type = typeof(StackTraceUtility);
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            FieldInfo field = type.GetField("projectFolder", BindingFlags.Static | BindingFlags.GetField | BindingFlags.NonPublic);
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            LuaException.projectFolder = (string)field.GetValue(null);
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            projectFolder = projectFolder.Replace('\\', '/');
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#if DEVELOPER
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            Debugger.Log("projectFolder is {0}", projectFolder);
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#endif
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        }
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    }
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} |