/// <summary>
/// Generate the specified union
/// </summary>
/// <param name="ntUnion"></param>
/// <returns></returns>
/// <remarks></remarks>
public CodeTypeDeclaration GenerateUnion(NativeUnion ntUnion)
{
if (ntUnion == null)
{
throw new ArgumentNullException("ntUnion");
}
// Generate the core type
CodeTypeDeclaration ctd = new CodeTypeDeclaration(ntUnion.Name);
ctd.IsStruct = true;
ctd.UserData[TransformConstants.DefinedType] = ntUnion;
// Add the struct layout attribute
ctd.CustomAttributes.Add(MarshalAttributeFactory.CreateStructLayoutAttribute(LayoutKind.Explicit));
// Generate the container members
GenerateContainerMembers(ntUnion, ctd);
// Go through and put each struct back at the start of the struct to simulate the
// union
foreach (CodeTypeMember member in ctd.Members)
{
CodeMemberField fieldMember = member as CodeMemberField;
if (fieldMember != null)
{
fieldMember.CustomAttributes.Add(MarshalAttributeFactory.CreateFieldOffsetAttribute(0));
}
}
return(ctd);
}
/// <summary>
/// Generate the struct definition
/// </summary>
/// <param name="ntStruct"></param>
/// <returns></returns>
/// <remarks></remarks>
public CodeTypeDeclaration GenerateStruct(NativeStruct ntStruct)
{
if (ntStruct == null)
{
throw new ArgumentNullException("ntStruct");
}
// Generate the core type
CodeTypeDeclaration ctd = new CodeTypeDeclaration(ntStruct.Name);
ctd.IsStruct = true;
ctd.UserData[TransformConstants.DefinedType] = ntStruct;
// Add the struct layout attribute
ctd.CustomAttributes.Add(MarshalAttributeFactory.CreateStructLayoutAttribute(LayoutKind.Sequential));
GenerateContainerMembers(ntStruct, ctd);
return(ctd);
}