public static int GetExactSize(this TypeSig type)
{
if (type.ElementType == ElementType.ValueType)
{
var typeDefOrRef = type.TryGetTypeDefOrRef();
var typeDef = typeDefOrRef.ResolveTypeDef();
if (typeDef != null)
{
var typeSize = 0;
if (typeDef.IsEnum)
{
typeSize = TypeList.GetExactSize(typeDef.GetEnumUnderlyingType().GetStackValueKind());
}
else
{
foreach (var field in typeDef.Fields)
{
if (field.FieldOffset.HasValue)
{
Debug.Assert(typeSize == field.FieldOffset.Value);
}
field.FieldOffset = (uint)typeSize;
typeSize += GetExactSize(field.FieldType);
}
}
return(typeSize);
}
else
{
throw new Exception("Could not resolve type def");
}
}
else
{
if (type.ElementType == ElementType.Class)
{
var typeDefOrRef = type.TryGetTypeDefOrRef();
var typeDef = typeDefOrRef.ResolveTypeDef();
if (typeDef != null)
{
typeDef.ClassSize = 0;
foreach (var field in typeDef.Fields)
{
field.FieldOffset = typeDef.ClassSize;
typeDef.ClassSize += (uint)GetExactSize(field.FieldType);
}
}
}
return(TypeList.GetExactSize(type.GetStackValueKind()));
}
}
static private int FixupCallStructReturn(TypeSig returnType, List <StackEntry> arguments, IILImporterProxy importer, bool hasThis)
{
// Create temp
var lclNum = importer.GrabTemp(returnType.GetStackValueKind(), returnType.GetExactSize());
var returnBufferPtr = new LocalVariableAddressEntry(lclNum);
// Ensure return buffer parameter goes after the this parameter if present
var returnBufferArgPos = hasThis ? 1 : 0;
arguments.Insert(returnBufferArgPos, returnBufferPtr);
return(lclNum);
}
