public void SetCustomAttribute(CustomAttributeBuilder customBuilder)
{
string attrname = customBuilder.Ctor.ReflectedType.FullName;
if (attrname == "System.Runtime.InteropServices.InAttribute")
{
attrs |= ParameterAttributes.In;
return;
}
else if (attrname == "System.Runtime.InteropServices.OutAttribute")
{
attrs |= ParameterAttributes.Out;
return;
}
else if (attrname == "System.Runtime.InteropServices.OptionalAttribute")
{
attrs |= ParameterAttributes.Optional;
return;
}
else if (attrname == "System.Runtime.InteropServices.MarshalAsAttribute")
{
attrs |= ParameterAttributes.HasFieldMarshal;
marshal_info = CustomAttributeBuilder.get_umarshal(customBuilder, false);
/* FIXME: check for errors */
return;
}
else if (attrname == "System.Runtime.InteropServices.DefaultParameterValueAttribute")
{
/* MS.NET doesn't handle this attribute but we handle it for consistency */
CustomAttributeBuilder.CustomAttributeInfo cinfo = CustomAttributeBuilder.decode_cattr(customBuilder);
/* FIXME: check for type compatibility */
SetConstant(cinfo.ctorArgs [0]);
return;
}
if (cattrs != null)
{
CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
cattrs.CopyTo(new_array, 0);
new_array [cattrs.Length] = customBuilder;
cattrs = new_array;
}
else
{
cattrs = new CustomAttributeBuilder [1];
cattrs [0] = customBuilder;
}
}
public void SetCustomAttribute(CustomAttributeBuilder customBuilder)
{
if (customBuilder == null)
{
throw new ArgumentNullException("customBuilder");
}
switch (customBuilder.Ctor.ReflectedType.FullName)
{
case "System.Runtime.CompilerServices.MethodImplAttribute":
byte[] data = customBuilder.Data;
int impla; // the (stupid) ctor takes a short or an int ...
impla = (int)data [2];
impla |= ((int)data [3]) << 8;
iattrs |= (MethodImplAttributes)impla;
return;
case "System.Runtime.InteropServices.DllImportAttribute":
CustomAttributeBuilder.CustomAttributeInfo attr = CustomAttributeBuilder.decode_cattr(customBuilder);
bool preserveSig = true;
/*
* It would be easier to construct a DllImportAttribute from
* the custom attribute builder, but the DllImportAttribute
* does not contain all the information required here, ie.
* - some parameters, like BestFitMapping has three values
* ("on", "off", "missing"), but DllImportAttribute only
* contains two (on/off).
* - PreserveSig is true by default, while it is false by
* default in DllImportAttribute.
*/
pi_dll = (string)attr.ctorArgs[0];
if (pi_dll == null || pi_dll.Length == 0)
{
throw new ArgumentException("DllName cannot be empty");
}
native_cc = System.Runtime.InteropServices.CallingConvention.Winapi;
for (int i = 0; i < attr.namedParamNames.Length; ++i)
{
string name = attr.namedParamNames [i];
object value = attr.namedParamValues [i];
if (name == "CallingConvention")
{
native_cc = (CallingConvention)value;
}
else if (name == "CharSet")
{
charset = (CharSet)value;
}
else if (name == "EntryPoint")
{
pi_entry = (string)value;
}
else if (name == "ExactSpelling")
{
ExactSpelling = (bool)value;
}
else if (name == "SetLastError")
{
SetLastError = (bool)value;
}
else if (name == "PreserveSig")
{
preserveSig = (bool)value;
}
else if (name == "BestFitMapping")
{
BestFitMapping = (bool)value;
}
else if (name == "ThrowOnUnmappableChar")
{
ThrowOnUnmappableChar = (bool)value;
}
}
attrs |= MethodAttributes.PinvokeImpl;
if (preserveSig)
{
iattrs |= MethodImplAttributes.PreserveSig;
}
return;
case "System.Runtime.InteropServices.PreserveSigAttribute":
iattrs |= MethodImplAttributes.PreserveSig;
return;
case "System.Runtime.CompilerServices.SpecialNameAttribute":
attrs |= MethodAttributes.SpecialName;
return;
case "System.Security.SuppressUnmanagedCodeSecurityAttribute":
attrs |= MethodAttributes.HasSecurity;
break;
}
if (cattrs != null)
{
CustomAttributeBuilder[] new_array = new CustomAttributeBuilder [cattrs.Length + 1];
cattrs.CopyTo(new_array, 0);
new_array [cattrs.Length] = customBuilder;
cattrs = new_array;
}
else
{
cattrs = new CustomAttributeBuilder [1];
cattrs [0] = customBuilder;
}
}
internal static CustomAttributeBuilder.CustomAttributeInfo decode_cattr(CustomAttributeBuilder customBuilder)
{
byte[] array = customBuilder.Data;
ConstructorInfo constructorInfo = customBuilder.Ctor;
int num = 0;
CustomAttributeBuilder.CustomAttributeInfo result = default(CustomAttributeBuilder.CustomAttributeInfo);
if (array.Length < 2)
{
throw new Exception("Custom attr length is only '" + array.Length + "'");
}
if (array[0] != 1 || array[1] != 0)
{
throw new Exception("Prolog invalid");
}
num = 2;
ParameterInfo[] parameters = CustomAttributeBuilder.GetParameters(constructorInfo);
result.ctor = constructorInfo;
result.ctorArgs = new object[parameters.Length];
for (int i = 0; i < parameters.Length; i++)
{
result.ctorArgs[i] = CustomAttributeBuilder.decode_cattr_value(parameters[i].ParameterType, array, num, out num);
}
int num2 = (int)array[num] + (int)array[num + 1] * 256;
num += 2;
result.namedParamNames = new string[num2];
result.namedParamValues = new object[num2];
for (int j = 0; j < num2; j++)
{
int num3 = (int)array[num++];
int num4 = (int)array[num++];
string text = null;
if (num4 == 85)
{
int num5 = CustomAttributeBuilder.decode_len(array, num, out num);
text = CustomAttributeBuilder.string_from_bytes(array, num, num5);
num += num5;
}
int num6 = CustomAttributeBuilder.decode_len(array, num, out num);
string text2 = CustomAttributeBuilder.string_from_bytes(array, num, num6);
result.namedParamNames[j] = text2;
num += num6;
if (num3 != 83)
{
throw new Exception("Unknown named type: " + num3);
}
FieldInfo field = constructorInfo.DeclaringType.GetField(text2, BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic);
if (field == null)
{
throw new Exception(string.Concat(new object[]
{
"Custom attribute type '",
constructorInfo.DeclaringType,
"' doesn't contain a field named '",
text2,
"'"
}));
}
object obj = CustomAttributeBuilder.decode_cattr_value(field.FieldType, array, num, out num);
if (text != null)
{
Type type = Type.GetType(text);
obj = Enum.ToObject(type, obj);
}
result.namedParamValues[j] = obj;
}
return(result);
}
