/// <summary>
/// DefineDerivedMethodSignature 定义动态类中方法的签名，支持泛型方法。
/// </summary>
public static MethodBuilder DefineDerivedMethodSignature(TypeBuilder typeBuilder, MethodInfo baseMethod)
{
Type[] argTypes = EmitHelper.GetParametersType(baseMethod);
MethodBuilder methodBuilder = typeBuilder.DefineMethod(baseMethod.Name, baseMethod.Attributes & ~MethodAttributes.Abstract, baseMethod.ReturnType, argTypes);
#region GenericMethod
if (baseMethod.IsGenericMethod)
{
Type[] genericParaTypes = baseMethod.GetGenericArguments();
string[] genericParaNames = EmitHelper.GetGenericParameterNames(baseMethod);
GenericTypeParameterBuilder[] genericTypeParameterBuilders = methodBuilder.DefineGenericParameters(genericParaNames);
for (int i = 0; i < genericTypeParameterBuilders.Length; i++)
{
genericTypeParameterBuilders[i].SetInterfaceConstraints(genericParaTypes[i].GetGenericParameterConstraints());
}
}
#endregion
return(methodBuilder);
}
/// <summary>
/// Stind 间接存储（即存储[type类型]的对象地址）。将间接存储。不支持decimal类型
/// </summary>
public static void Stind(ILGenerator ilGenerator, Type type)
{
if (!type.IsValueType)
{
ilGenerator.Emit(OpCodes.Stind_Ref);
return;
}
if (type.IsEnum)
{
Type underType = Enum.GetUnderlyingType(type);
EmitHelper.Stind(ilGenerator, underType);
return;
}
if (type == typeof(Int64))
{
ilGenerator.Emit(OpCodes.Stind_I8);
return;
}
if (type == typeof(Int32))
{
ilGenerator.Emit(OpCodes.Stind_I4);
return;
}
if (type == typeof(Int16))
{
ilGenerator.Emit(OpCodes.Stind_I2);
return;
}
if (type == typeof(Byte))
{
ilGenerator.Emit(OpCodes.Stind_I1);
return;
}
if (type == typeof(SByte))
{
ilGenerator.Emit(OpCodes.Stind_I1);
return;
}
if (type == typeof(Boolean))
{
ilGenerator.Emit(OpCodes.Stind_I1);
return;
}
if (type == typeof(UInt64))
{
ilGenerator.Emit(OpCodes.Stind_I8);
return;
}
if (type == typeof(UInt32))
{
ilGenerator.Emit(OpCodes.Stind_I4);
return;
}
if (type == typeof(UInt16))
{
ilGenerator.Emit(OpCodes.Stind_I2);
return;
}
if (type == typeof(Single))
{
ilGenerator.Emit(OpCodes.Stind_R4);
return;
}
if (type == typeof(Double))
{
ilGenerator.Emit(OpCodes.Stind_R8);
return;
}
if (type == typeof(System.IntPtr))
{
ilGenerator.Emit(OpCodes.Stind_I4);
return;
}
if (type == typeof(System.UIntPtr))
{
ilGenerator.Emit(OpCodes.Stind_I4);
return;
}
throw new Exception(string.Format("The target type:{0} is not supported by EmitHelper.Stind_ForValueType()", type));
}