static void writeMethod(StreamWriter n, MethodInfo info, Type t, string alias, List<string>[] errors)
{
//参数有效性检查，遇到不支持的参数类型，就报错返回
ParameterInfo[] pinfos = info.GetParameters();
List<ParamTypeData> paramTypsList = new List<ParamTypeData>();
try
{
for (int i = 0; i < pinfos.Length; ++i)
{
ParamTypeData paramType = new ParamTypeData(pinfos[i].ParameterType);
paramTypsList.Add(paramType);
}
}
catch (Exception e)
{
string err = string.Format("NOT SUPPORT Param type in: {0}.{1}(...) \n{2}", t.Name, info.Name, e.ToString());
errors[0].Add(err);
return;
}
writeLine(n,"[MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]");
string functionName = alias;
if (string.IsNullOrEmpty(alias))
{
functionName = info.Name;
string luafuncName;
if (op_funcLuaNames.TryGetValue(functionName, out luafuncName))
{
functionName = luafuncName;
}
}
funcNames.Add(functionName);
ParamTypeData T = new ParamTypeData(t);
ParamTypeData returnType = new ParamTypeData(info.ReturnType);
writeLine(n,"public static int {0}(IntPtr L)", functionName);
writeLine(n,"{");
WriteTryBegin(n);
int paramIndexBegin = 1;
if (info.IsStatic == false)
{
paramIndexBegin = 2;
writeSelf(n,T);
}
bool isStatic = info.IsStatic;
for (int i = 0; i < pinfos.Length; ++i)
{
ParamTypeData paramType = paramTypsList[i];
paraseParam(n, paramType, i, i + paramIndexBegin);
}
ParamTypeData[] paramTypes = paramTypsList.ToArray();
//写入方法调用
string opname;
if ( op_funcNames.TryGetValue(info.Name,out opname) )
{
if( info.Name != "op_UnaryNegation") //不是单目操作符
writeLine(n, "{0} ret = ({1})param0 {2} ({3})param1;", returnType.csFullTypeName, paramTypes[0].csFullTypeName, opname, paramTypes[1].csFullTypeName);
else
writeLine(n, "{0} ret = {2}({1})param0;",returnType.csFullTypeName, paramTypes[0].csFullTypeName, opname);
}
else
{
writeLine(n, "{1} {2}.{0}(", info.Name, returnType.luaTypeName == "void" ? "" : returnType.csFullTypeName + " ret = ", isStatic ? T.csFullTypeName : "self");
for (int i = 0; i < pinfos.Length; ++i)
{
writeLine(n, "({2})param{0}{1}", i, i == pinfos.Length - 1 ? "" : ",", paramTypes[i].csFullTypeName);
}
writeLine(n, ");");
}
if (returnType.luaTypeName != "void")
{
if (returnType.isNeedMt)
{
if (info.Name == "AddComponent" || info.Name == "GetComponent")
{
writeLine(n, "string mt = {0};", "param0");
}
else
{
if (returnType.IsNeedMetatable())
{
if (returnType.IsClass)
writeLine(n, "string mt = ({0});", "ret != null ? ret.GetType().Name : \"\" ");
else
writeLine(n, "string mt = {0};", "ret.GetType().Name");
int paramCount = pinfos.Length;
if (isStatic == false)
paramCount += 1;
writeLine(n, "if(LuaDLL.lua_isstring(L,{0}))", paramCount + 1);
writeLine(n, "\tmt = LuaDLL.lua_tostring(L,{0});", paramCount + 1);
}
}
returnType.WriteToLuaFromCS(n, "ret", 0, "mt");
}
else
{
returnType.WriteToLuaFromCS(n, "ret", 0);
}
}
if (info.Name == "Destroy")
{
writeLine(n, "IntPtr idptr = LuaDLL.lua_touserdata(L, 1);");
writeLine(n, "LuaStatic.RemoveGameObject(idptr);");
}
else if (isStatic == false && t.IsValueType)
{
writeLine(n, "IntPtr idptr = LuaDLL.lua_touserdata(L, 1);");
n.WriteLine("objs[idptr.ToInt64()] = self;");
}
writeLine(n,"return {0};", returnType.luaTypeName == "void" ? "0" : "1");
WriteTryEnd(n);
writeLine(n, "}");
writeLine(n, "");
writeLine(n, "");
}
//从cs对象读属性写回Lua
static void writeReadProp(StreamWriter n,
Type objt,
Type propt,
string propName,
bool isStatic,
bool isEnum
)
{
ParamTypeData objT = new ParamTypeData(objt);
string objectTypeFullName = objT.csFullTypeName;
//需要如下信息
//属性名 info.Name --> propName
//属性类型 info.PropertyType.FullName --> propTypeFullName
//属性类型 info.PropertyType.Name --> propTypeName
//isStatic
//对象类型 t.FullName --> objectTypeFullName
//info.PropertyType.IsEnum --> isEnum
//namespace info.PropertyType.Namesapce --> propNamespace
writeLine(n, "//---------------------------------");
funcNames.Add("get_"+propName);
n.WriteLine("[MonoPInvokeCallbackAttribute(typeof(LuaCSFunction))]");
ParamTypeData paramType = new ParamTypeData(propt);
writeLine(n,"public static int get_{0}(IntPtr L)", propName);
writeLine(n,"{");
WriteTryBegin(n);
if (isStatic == false)
{
writeSelf(n,objT);
}
string owner = isStatic ? objectTypeFullName : "self";
string variableExp = string.Format("{0}.{1}", owner, propName);
paramType.WriteToLuaFromCS(n, variableExp, 0);
n.WriteLine("return 1;");
WriteTryEnd(n);
n.WriteLine("}");
n.WriteLine("");
n.WriteLine("");
n.WriteLine("");
}