private AttributeNode GetPermissionAttribute2(MemoryCursor/*!*/ sigReader, System.Security.Permissions.SecurityAction action)
{
int typeNameLength = sigReader.ReadCompressedInt();
string serializedTypeName = sigReader.ReadUTF8(typeNameLength);
TypeNode attrType = null;
try
{
attrType = this.GetTypeFromSerializedName(serializedTypeName);
}
catch (InvalidMetadataException) { }
if (attrType == null)
{
HandleError(this.module, String.Format(CultureInfo.CurrentCulture, ExceptionStrings.CouldNotResolveType, serializedTypeName));
return null;
}
InstanceInitializer cons = attrType.GetConstructor(CoreSystemTypes.SecurityAction);
if (cons == null)
{
HandleError(this.module, String.Format(CultureInfo.CurrentCulture,
ExceptionStrings.SecurityAttributeTypeDoesNotHaveADefaultConstructor, serializedTypeName));
return null;
}
sigReader.ReadCompressedInt(); //caBlobLength
int numProps = sigReader.ReadCompressedInt(); //Skip over the number of properties in the CA blob
ExpressionList arguments = new ExpressionList();
arguments.Add(new Literal(action, CoreSystemTypes.SecurityAction));
this.GetCustomAttributeNamedArguments(arguments, (ushort)numProps, sigReader);
return new AttributeNode(new MemberBinding(null, cons), arguments);
}
private static string ReadSerString(MemoryCursor/*!*/ sigReader)
{
int n = sigReader.ReadCompressedInt();
if (n < 0) return null;
return sigReader.ReadUTF8(n);
}
private AttributeNode GetPermissionAttribute(MemoryCursor/*!*/ sigReader)
{
sigReader.ReadInt32(); //Skip over index
int typeNameLength = sigReader.ReadInt32();
sigReader.ReadUTF8(typeNameLength); //Skip over type name
int constructorToken = sigReader.ReadInt32();
sigReader.ReadInt32(); //Skip over attribute type token
sigReader.ReadInt32(); //Skip over assembly ref token
int caBlobLength = sigReader.ReadInt32();
sigReader.ReadInt32(); //Skip over the number of parameters in the CA blob
TypeNodeList varArgTypes; //Ignored because vararg constructors are not allowed in Custom Attributes
Method cons = this.GetConstructorDefOrRef(constructorToken, out varArgTypes);
if (cons == null) cons = new Method();
return this.GetCustomAttribute(cons, sigReader, caBlobLength);
}
