private void ReSetValue(ILGenerator il, Type[] paramTypes, LocalBuilder obj_arr)
{
if (obj_arr == null)
{
return;
}
for (int i = 0; i < paramTypes.Length; i++)
{
var paramType = paramTypes[i];
if (!paramType.IsByRef) //非ref模式的直接跳过
{
continue;
}
il.Emit(OpCodes.Ldloc, obj_arr); //数组对象入栈
il.Emit(OpCodes.Ldc_I4, i); //下标入栈
Type unRefType = TypeHelper.GetUnRefType(paramType);
if (unRefType.IsValueType)
{
il.Emit(OpCodes.Ldarg, i + 1); //对应下标的参数值入栈，注：OpCodes.Ldarg_0 此时代表类对象本身，参数列表的下标从1开始
EmitHelper.Ldind(il, unRefType);
il.Emit(OpCodes.Box, unRefType);
}
else
{
il.Emit(OpCodes.Ldarg_S, i + 1);
il.Emit(OpCodes.Ldind_Ref);
}
il.Emit(OpCodes.Stelem_Ref); //进行数组的赋值操作
}
}
public static LocalBuilder ParameterArray(ILGenerator il, Type[] paramTypes)
{
var obj_arr = il.DeclareLocal(typeof(object[])); //声明数组的局部变量
il.Emit(OpCodes.Ldc_I4, paramTypes.Length); //数组长度入栈
il.Emit(OpCodes.Newarr, typeof(object)); //初始化数组
il.Emit(OpCodes.Stloc, obj_arr); //对数组的局部变量赋值
//各个参数进数组
for (int i = 0; i < paramTypes.Length; i++)
{
il.Emit(OpCodes.Ldloc, obj_arr); //数组对象入栈
il.Emit(OpCodes.Ldc_I4, i); //下标入栈
var paramType = paramTypes[i];
//对应下标的参数值入栈，注：OpCodes.Ldarg_0 此时代表类对象本身，参数列表的下标从1开始
if (!paramType.IsByRef)
{
if (!paramType.IsValueType)
{
il.Emit(OpCodes.Ldarg, i + 1);
}
else
{
il.Emit(OpCodes.Ldarg, i + 1);
il.Emit(OpCodes.Box, paramType);
}
}
else
{
Type unRefType = TypeHelper.GetUnRefType(paramType);
if (unRefType.IsValueType)
{
il.Emit(OpCodes.Ldarg, i + 1);
EmitHelper.Ldind(il, unRefType);
il.Emit(OpCodes.Box, unRefType);
}
else
{
il.Emit(OpCodes.Ldarg_S, i + 1);
il.Emit(OpCodes.Ldind_Ref);
}
}
il.Emit(OpCodes.Stelem_Ref); //进行数组的赋值操作
}
return(obj_arr);
}
