DmdCustomAttributeData Read(DmdConstructorInfo ctor)
{
var ctorParams = ctor.GetMethodSignature().GetParameterTypes();
bool isEmpty = ctorParams.Count == 0 && reader.Position == reader.Length;
if (!isEmpty && reader.ReadUInt16() != 1)
{
throw new CABlobParserException("Invalid CA blob prolog");
}
var ctorArgs = new DmdCustomAttributeTypedArgument[ctorParams.Count];
for (int i = 0; i < ctorArgs.Length; i++)
{
ctorArgs[i] = ReadFixedArg(FixTypeSig(ctorParams[i]));
}
// Some tools don't write the next ushort if there are no named arguments.
int numNamedArgs = reader.Position == reader.Length ? 0 : reader.ReadUInt16();
var namedArgs = ReadNamedArguments(numNamedArgs);
// Match reflection named argument order: fields before properties,
// and order of fields/properties is identical to the order returned
// by GetFields(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic) and
// GetProperties(BindingFlags.Instance | BindingFlags.Public | BindingFlags.NonPublic).
Array.Sort(namedArgs, ReflectionNamedArgumentComparerDelegate);
return(new DmdCustomAttributeData(ctor, ctorArgs, namedArgs, isPseudoCustomAttribute: false));
}
bool ReadHeader(out int localSignatureMetadataToken, out int maxStackSize, out bool initLocals, out int codeSize, out bool hasExceptionHandlers)
{
byte b = reader.ReadByte();
switch (b & 7)
{
case 2:
case 6:
localSignatureMetadataToken = 0;
maxStackSize = 8;
initLocals = false;
codeSize = b >> 2;
hasExceptionHandlers = false;
return(true);
case 3:
uint flags = (ushort)((reader.ReadByte() << 8) | b);
int headerSize = (int)(flags >> 12);
initLocals = (flags & 0x10) != 0;
maxStackSize = reader.ReadUInt16();
codeSize = reader.ReadInt32();
localSignatureMetadataToken = reader.ReadInt32();
hasExceptionHandlers = (flags & 8) != 0;
reader.Position += -12 + headerSize * 4;
if (headerSize < 3)
{
hasExceptionHandlers = false;
}
return(true);
default:
localSignatureMetadataToken = 0;
maxStackSize = 0;
initLocals = false;
codeSize = 0;
hasExceptionHandlers = false;
return(false);
}
}