/// <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>
/// Used to create a simple set of types that can be used for testing purposes
/// </summary>
/// <returns></returns>
/// <remarks></remarks>
public static BasicSymbolStorage CreateStandard()
{
var storage = new BasicSymbolStorage();
NativePointer pt1 = default(NativePointer);
NativeTypeDef td1 = default(NativeTypeDef);
NativeTypeDef td2 = default(NativeTypeDef);
NativeStruct s1 = default(NativeStruct);
NativeUnion u1 = default(NativeUnion);
NativeNamedType n1 = default(NativeNamedType);
// Include sal information
List <NativeConstant> list = ProcessSal();
foreach (NativeConstant cur in list)
{
storage.AddConstant(cur);
}
// Bool types
storage.AddTypeDef(new NativeTypeDef("BOOL", BuiltinType.NativeInt32));
storage.AddTypeDef(new NativeTypeDef("DWORD", new NativeBuiltinType(BuiltinType.NativeInt32, true)));
// WPARAM
td1 = new NativeTypeDef("UINT_PTR", new NativeBuiltinType(BuiltinType.NativeInt32, true));
storage.AddTypeDef(new NativeTypeDef("WPARAM", td1));
storage.AddTypeDef(new NativeTypeDef("LPARAM", td1));
// WCHAR
NativeTypeDef wcharTd = new NativeTypeDef("WCHAR", new NativeBuiltinType(BuiltinType.NativeInt16, true));
storage.AddTypeDef(wcharTd);
// CHAR
td1 = new NativeTypeDef("CHAR", BuiltinType.NativeChar);
storage.AddTypeDef(td1);
// TCHAR
td2 = new NativeTypeDef("TCHAR", td1);
storage.AddTypeDef(td2);
// LPWSTR
pt1 = new NativePointer(wcharTd);
td2 = new NativeTypeDef("LPWSTR", pt1);
storage.AddTypeDef(td2);
// LPCWSTR
n1 = new NativeNamedType(wcharTd.Name, wcharTd);
n1.IsConst = true;
pt1 = new NativePointer(n1);
td2 = new NativeTypeDef("LPCWSTR", pt1);
storage.AddTypeDef(td2);
// LPSTR
pt1 = new NativePointer(new NativeBuiltinType(BuiltinType.NativeChar));
td1 = new NativeTypeDef("LPSTR", pt1);
storage.AddTypeDef(td1);
// LPTSTR
storage.AddTypeDef(new NativeTypeDef("LPTSTR", td1));
// LPCSTR
n1 = new NativeNamedType("char", true);
n1.RealType = new NativeBuiltinType(BuiltinType.NativeChar, false);
pt1 = new NativePointer(n1);
td1 = new NativeTypeDef("LPCSTR", pt1);
storage.AddTypeDef(td1);
// LPCTSTR
td2 = new NativeTypeDef("LPCTSTR", td1);
storage.AddTypeDef(td2);
// BSTR
storage.AddTypeDef(new NativeTypeDef("OLECHAR", BuiltinType.NativeWChar));
storage.AddTypeDef(new NativeTypeDef("BSTR", new NativePointer(new NativeTypeDef("OLECHAR", BuiltinType.NativeWChar))));
// Struct with a recrsive reference to itself
s1 = new NativeStruct("RecursiveStruct");
s1.Members.Add(new NativeMember("m1", new NativePointer(new NativeNamedType(s1.Name))));
storage.AddDefinedType(s1);
// Simple struct
s1 = new NativeStruct("S1");
s1.Members.Add(new NativeMember("m1", new NativeBuiltinType(BuiltinType.NativeBoolean)));
storage.AddDefinedType(s1);
// Simulate a few well known structures
// DECIMAL
s1 = new NativeStruct("tagDEC");
storage.AddDefinedType(s1);
storage.AddTypeDef(new NativeTypeDef("DECIMAL", s1));
// CURRENCY
u1 = new NativeUnion("tagCY");
storage.AddDefinedType(u1);
storage.AddTypeDef(new NativeTypeDef("CY", u1));
storage.AddTypeDef(new NativeTypeDef("CURRENCY", new NativeTypeDef("CY", u1)));
// BYTE
storage.AddTypeDef(new NativeTypeDef("BYTE", new NativeBuiltinType(BuiltinType.NativeChar, true)));
return(storage);
}
private void VerifyUnion(NativeType nt, string name, params string[] args)
{
NativeUnion ntUnion = nt as NativeUnion;
Assert.NotNull(ntUnion);
VerifyMembers(ntUnion, name, args);
}
internal StructDeclarationSyntax GenerateUnion(NativeUnion nativeUnion)
{
throw new NotSupportedException();
}
public void UnionSimple()
{
var u = new NativeUnion("u1");
TestRoundTrip(u);
}